:root {
  /* Professional Color Palette - Senior Developer Grade */
  --primary: #1e293b;        /* Slate 800 - Deep Professional */
  --primary-light: #334155;  /* Slate 700 - Sophisticated */
  --secondary: #0ea5e9;      /* Sky Blue 500 - Trust & Expertise */
  --secondary-light: #38bdf8; /* Sky Blue 400 - Lighter accent */
  --accent: #10b981;         /* Emerald 500 - Success & Growth */
  --accent-warm: #f59e0b;    /* Amber 500 - Premium highlight */
  --gold: #eab308;           /* Yellow 500 - Excellence marker */
  --success: #10b981;
  --warning: #f59e0b;
  --error: #ef4444;
  
  /* Professional Gray Scale */
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1e293b;
  --gray-900: #0f172a;
  
  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', Consolas, monospace;
  
  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;
  
  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  
  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Breakpoints */
  --bp-sm: 640px;
  --bp-md: 768px;
  --bp-lg: 1024px;
  --bp-xl: 1280px;
  --bp-2xl: 1536px;
}

/* ===== RESET & BASE ===== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
}

body {
  font-family: var(--font-primary);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--gray-700);
  background-color: var(--gray-50);
  overflow-x: hidden;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  color: var(--gray-900);
  margin-bottom: var(--space-sm);
}

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  color: var(--gray-900);
}

h2 {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  color: var(--gray-900);
}

h3 {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  color: var(--gray-900);
}

p {
  margin-bottom: var(--space-sm);
  color: var(--gray-700);
}

a {
  color: var(--secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--secondary-light);
}

/* ===== LAYOUT UTILITIES ===== */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.section-badge {
  display: inline-block;
  padding: var(--space-xs) var(--space-md);
  background: linear-gradient(270deg, var(--secondary), var(--accent), var(--secondary));
  background-size: 200% 200%;
  color: white;
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-sm);
  box-shadow: 0 2px 12px rgba(14,165,233,0.12), 0 0 0px #10b98144;
  position: relative;
  animation: badge-gradient-move 3s linear infinite;
  transition: box-shadow 0.3s cubic-bezier(.4,0,.2,1), transform 0.2s cubic-bezier(.4,0,.2,1);
  overflow: hidden;
}

@keyframes badge-gradient-move {
  0% { background-position: 0% 50%; }
  100% { background-position: 100% 50%; }
}

.section-badge::after {
  content: '';
  position: absolute;
  left: 50%; top: 50%;
  width: 120%; height: 120%;
  background: radial-gradient(circle, rgba(255,255,255,0.12) 0%, transparent 70%);
  transform: translate(-50%, -50%) scale(0.7);
  pointer-events: none;
  z-index: 0;
  transition: opacity 0.3s;
}

.section-badge span, .section-badge {
  position: relative;
  z-index: 2;
}

.section-badge:hover, .section-badge:focus {
  box-shadow: 0 8px 32px rgba(14,165,233,0.18), 0 0 32px #10b98144;
  transform: scale(1.09) translateY(-2px) rotate(-2deg);
  animation: badge-bounce 0.5s cubic-bezier(.4,0,.2,1);
}

@keyframes badge-bounce {
  0% { transform: scale(1) translateY(0) rotate(0deg); }
  30% { transform: scale(1.12) translateY(-8px) rotate(-3deg); }
  50% { transform: scale(0.98) translateY(2px) rotate(2deg); }
  70% { transform: scale(1.06) translateY(-2px) rotate(-1deg); }
  100% { transform: scale(1.09) translateY(-2px) rotate(-2deg); }
}

.section-description {
  font-size: 1.125rem;
  color: var(--gray-700);
  max-width: 600px;
  margin: 0 auto;
}

/* ===== BUTTONS ===== */

/* Restaurar estilo original de .btn */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-md) var(--space-xl);
  font-size: 1rem;
  font-weight: 500;
  text-decoration: none;
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-normal);
  white-space: nowrap;
}

/* Animación avanzada para los badges de sección */

.btn-primary {
  background: linear-gradient(135deg, var(--secondary), var(--accent));
  color: white;
  box-shadow: var(--shadow-lg);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
  color: white;
}

.btn-secondary {
  background: white;
  color: var(--gray-800);
  border: 2px solid var(--gray-400);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  background: var(--gray-50);
  border-color: var(--gray-600);
  color: var(--gray-900);
}

.btn-outline {
  background: transparent;
  color: var(--secondary);
  border: 2px solid var(--secondary);
}

.btn-outline:hover {
  background: var(--secondary);
  color: white;
}

.btn-nav {
  background: linear-gradient(135deg, var(--secondary), var(--accent));
  color: white;
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-md);
  font-weight: 500;
}

.btn-full {
  width: 100%;
  justify-content: center;
}

/* ===== SCROLL PROGRESS LINE ===== */
.scroll-progress-line {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 4px;
  background: linear-gradient(90deg, #00bcd4, #00acc1, #0097a7);
  z-index: 10000;
  transition: width 0.2s ease-out;
  box-shadow: 0 2px 8px rgba(0, 188, 212, 0.5);
  animation: pulse-glow 2s ease-in-out infinite alternate;
}

@keyframes pulse-glow {
  0% {
    box-shadow: 0 2px 8px rgba(0, 188, 212, 0.5);
  }
  100% {
    box-shadow: 0 2px 12px rgba(0, 188, 212, 0.7);
  }
}

/* ===== NAVIGATION ===== */
.navbar {
  position: fixed;
  top: 4px;
  left: 0;
  width: 100%;
  background: rgba(248, 250, 252, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--gray-200);
  z-index: 1000;
  transition: all var(--transition-normal);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4rem;
}

/* ===== LOGO DINÁMICO - EFECTOS DE NIVEL SENIOR ===== */
.nav-logo {
  display: flex !important;
  align-items: center !important;
  font-size: 1.5rem !important;
  font-weight: 700 !important;
  position: relative !important;
  cursor: pointer !important;
  overflow: hidden !important;
  padding: 0.5rem 1rem !important;
  border-radius: 12px !important;
  background: linear-gradient(45deg, transparent, rgba(99, 102, 241, 0.05), transparent) !important;
  backdrop-filter: blur(10px) !important;
  border: 1px solid rgba(99, 102, 241, 0.1) !important;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275) !important;
  --mouse-x: 50%;
  --mouse-y: 50%;
  --glow-intensity: 0;
  transform-style: preserve-3d !important;
  perspective: 1000px !important;
  will-change: transform;
  backface-visibility: hidden;
  animation: logoBreathing 4s ease-in-out infinite !important;
}

.nav-logo::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg, 
    transparent, 
    rgba(255, 255, 255, calc(0.2 + var(--glow-intensity) * 0.2)), 
    transparent
  );
  transition: left 0.6s ease;
  z-index: 1;
}

.nav-logo::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.4) 0%, transparent 70%);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: all 0.4s ease;
  z-index: 0;
  pointer-events: none;
}

.nav-logo:hover {
  transform: translateY(-2px) scale(1.05);
  box-shadow: 
    0 10px 25px rgba(99, 102, 241, 0.2),
    0 0 50px rgba(99, 102, 241, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
  background: radial-gradient(
    circle at var(--mouse-x) var(--mouse-y),
    rgba(99, 102, 241, 0.15),
    rgba(139, 92, 246, 0.1),
    transparent 70%
  );
  animation: none;
}

.nav-logo:hover::before {
  left: 100%;
}

.nav-logo:hover::after {
  width: 120px;
  height: 120px;
  background: radial-gradient(circle, 
    rgba(99, 102, 241, 0.1) 0%, 
    rgba(139, 92, 246, 0.1) 50%, 
    transparent 70%
  );
}

.nav-logo:active {
  transform: translateY(-1px) scale(0.98) perspective(1000px) rotateX(5deg);
  box-shadow: 
    0 5px 15px rgba(99, 102, 241, 0.3),
    inset 0 2px 0 rgba(255, 255, 255, 0.3),
    inset 0 -2px 0 rgba(0, 0, 0, 0.1);
}

.nav-logo:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
  border-radius: 8px;
}

.logo-text {
  color: var(--secondary) !important;
  position: relative;
  z-index: 2;
  background: linear-gradient(135deg, var(--secondary), #1e40af, var(--secondary)) !important;
  background-size: 200% 200% !important;
  -webkit-background-clip: text !important;
  -webkit-text-fill-color: transparent !important;
  background-clip: text !important;
  animation: logoShimmer 3s ease-in-out infinite !important;
  filter: drop-shadow(0 0 8px rgba(30, 64, 175, 0.3)) !important;
  transition: all 0.3s ease !important;
  will-change: transform, filter;
  backface-visibility: hidden;
}

.logo-accent {
  color: var(--accent) !important;
  position: relative;
  z-index: 2;
  background: linear-gradient(135deg, var(--accent), #ec4899, #f59e0b, var(--accent)) !important;
  background-size: 200% 200% !important;
  -webkit-background-clip: text !important;
  -webkit-text-fill-color: transparent !important;
  background-clip: text !important;
  animation: logoAccentShimmer 2.5s ease-in-out infinite reverse !important;
  filter: drop-shadow(0 0 12px rgba(236, 72, 153, 0.4)) !important;
  transition: all 0.3s ease !important;
  will-change: transform, filter;
  backface-visibility: hidden;
}

.nav-logo:hover .logo-text {
  animation: logoGlow 0.6s ease-in-out, logoShimmer 3s ease-in-out infinite;
  transform: translateX(-2px);
}

.nav-logo:hover .logo-accent {
  animation: logoAccentGlow 0.6s ease-in-out, logoAccentShimmer 2.5s ease-in-out infinite reverse;
  transform: translateX(2px);
}

/* Estados especiales del logo */
.nav-logo.loading .logo-text {
  animation: 
    typing 2s steps(4) 1s both,
    logoShimmer 3s ease-in-out infinite 3s;
  overflow: hidden;
  white-space: nowrap;
  border-right: 2px solid var(--secondary);
}

.nav-logo.loading .logo-accent {
  animation: 
    typing 2s steps(3) 2s both,
    logoAccentShimmer 2.5s ease-in-out infinite 4s reverse;
  overflow: hidden;
  white-space: nowrap;
  border-right: 2px solid var(--accent);
}

.nav-logo.glitch-effect {
  animation: glitch 0.3s ease-in-out;
}

.nav-logo.glitch-active {
  animation: 
    glitch 0.3s ease-in-out,
    logoShake 0.1s ease-in-out 0.1s 3;
}

.navbar.scrolled .nav-logo {
  transform: scale(0.9);
  transition: transform 0.3s ease;
}

.navbar.scrolled .nav-logo:hover {
  transform: scale(0.95);
}

/* Keyframes para animaciones del logo */
@keyframes logoBreathing {
  0%, 100% { 
    box-shadow: 0 0 0 rgba(99, 102, 241, 0.2);
  }
  50% { 
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.1);
  }
}

@keyframes logoShimmer {
  0%, 100% { 
    background-position: 0% 50%; 
    filter: drop-shadow(0 0 8px rgba(30, 64, 175, 0.3));
  }
  50% { 
    background-position: 100% 50%; 
    filter: drop-shadow(0 0 15px rgba(30, 64, 175, 0.6));
  }
}

@keyframes logoAccentShimmer {
  0%, 100% { 
    background-position: 0% 50%; 
    filter: drop-shadow(0 0 12px rgba(236, 72, 153, 0.4));
  }
  50% { 
    background-position: 100% 50%; 
    filter: drop-shadow(0 0 20px rgba(236, 72, 153, 0.7));
  }
}

@keyframes logoGlow {
  0%, 100% { 
    text-shadow: 0 0 5px rgba(30, 64, 175, 0.5);
    transform: translateX(-2px);
  }
  50% { 
    text-shadow: 
      0 0 10px rgba(30, 64, 175, 0.8),
      0 0 20px rgba(30, 64, 175, 0.6),
      0 0 30px rgba(30, 64, 175, 0.4);
    transform: translateX(-4px) scale(1.05);
  }
}

@keyframes logoAccentGlow {
  0%, 100% { 
    text-shadow: 0 0 8px rgba(236, 72, 153, 0.5);
    transform: translateX(2px);
  }
  50% { 
    text-shadow: 
      0 0 15px rgba(236, 72, 153, 0.8),
      0 0 25px rgba(236, 72, 153, 0.6),
      0 0 35px rgba(236, 72, 153, 0.4);
    transform: translateX(4px) scale(1.05);
  }
}

@keyframes typing {
  from { 
    width: 0; 
    opacity: 0;
  }
  to { 
    width: auto; 
    opacity: 1;
  }
}

@keyframes glitch {
  0%, 100% { transform: translateY(-2px) scale(1.05); }
  20% { transform: translateY(-2px) scale(1.05) skew(1deg); filter: hue-rotate(90deg); }
  40% { transform: translateY(-2px) scale(1.05) skew(-1deg); filter: hue-rotate(180deg); }
  60% { transform: translateY(-2px) scale(1.05) skew(0.5deg); filter: hue-rotate(270deg); }
  80% { transform: translateY(-2px) scale(1.05) skew(-0.5deg); filter: hue-rotate(360deg); }
}

@keyframes logoShake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-2px) rotateZ(-1deg); }
  75% { transform: translateX(2px) rotateZ(1deg); }
}

/* Media queries para el logo */
@media (max-width: 768px) {
  .nav-logo {
    font-size: 1.3rem;
    padding: 0.3rem 0.8rem;
    animation: none;
  }
  
  .nav-logo:hover {
    transform: translateY(-1px) scale(1.02);
  }
  
  .nav-logo::after,
  .nav-logo::before {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .nav-logo,
  .logo-text,
  .logo-accent {
    animation: none !important;
    transition: none !important;
  }
  
  .nav-logo:hover {
    transform: none !important;
  }
}

/* ===== FIN SECCIÓN LOGO DINÁMICO ===== */

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  list-style: none;
}

.nav-link {
  color: var(--gray-800);
  font-weight: 500;
  transition: color var(--transition-fast);
}

.nav-link:hover {
  color: var(--secondary);
}

.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 4px;
}

.bar {
  width: 24px;
  height: 2px;
  background: var(--gray-700);
  transition: var(--transition-fast);
}

/* ===== HERO SECTION ===== */
.hero {
  min-height: 80vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, #ffffff 0%, #f8fafc 50%, #f1f5f9 100%);
  color: var(--gray-900);
  position: relative;
  overflow: hidden;
  padding-top: 5rem;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 50%, rgba(14, 165, 233, 0.04), transparent 50%),
              radial-gradient(circle at 80% 20%, rgba(16, 185, 129, 0.03), transparent 50%),
              radial-gradient(circle at 40% 80%, rgba(14, 165, 233, 0.03), transparent 50%);
}

.hero-wrapper {
  display: flex;
  align-items: center;
  gap: var(--space-2xl);
  width: 100%;
  position: relative;
  z-index: 2;
}

.hero-content {
  flex: 1;
  max-width: 1050px;
  text-align: left;
}

.hero-badge {
  margin-bottom: var(--space-lg);
}

.badge-text {
  display: inline-block;
  padding: var(--space-xs) var(--space-md);
  background: rgba(14, 165, 233, 0.15);
  border: 2px solid var(--secondary);
  border-radius: var(--radius-lg);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--gray-900);
  backdrop-filter: blur(10px);
}

.hero-title {
  margin-bottom: var(--space-lg);
  font-weight: 700;
  line-height: 1.1;
  color: var(--gray-900);
}

.gradient-text {
  color: var(--secondary);
  font-weight: 700;
}

.hero-description {
  font-size: 1.125rem;
  margin-bottom: var(--space-2xl);
  color: var(--gray-700);
  line-height: 1.6;
}

.hero-cta {
  display: flex;
  gap: var(--space-lg);
  margin-bottom: var(--space-3xl);
  flex-wrap: wrap;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  padding-top: var(--space-xl);
  border-top: 2px solid var(--gray-300);
}

.stat {
  text-align: center;
}

.stat-number {
  display: block;
  font-size: 1.875rem;
  font-weight: 700;
  color: var(--secondary);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--gray-700);
  font-weight: 500;
}

.hero-visual {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  max-width: 400px;
}

.floating-cards {
  position: relative;
  width: 300px;
  height: 300px;
}

.card {
  position: absolute;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(15px);
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-xl);
  padding: var(--space-lg);
  animation: float 6s ease-in-out infinite;
  box-shadow: var(--shadow-lg);
}

.card-1 {
  width: 180px;
  height: 120px;
  top: 0;
  left: 0;
  animation-delay: 0s;
}

.card-2 {
  width: 140px;
  height: 100px;
  bottom: 0;
  right: 0;
  animation-delay: 3s;
}

.card-header {
  display: flex;
  align-items: center;
  margin-bottom: var(--space-sm);
}

.dots {
  display: flex;
  gap: 4px;
}

.dots span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gray-600);
}

.line {
  height: 8px;
  background: var(--gray-300);
  border-radius: 4px;
  margin-bottom: 8px;
}

.line.short {
  width: 60%;
}

.chart {
  display: flex;
  align-items: end;
  gap: 4px;
  height: 40px;
}

.bar {
  flex: 1;
  background: linear-gradient(to top, var(--secondary), var(--accent));
  border-radius: 2px 2px 0 0;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-20px);
  }
}

/* ===== SERVICES SECTION ===== */
.servicios {
  padding: var(--space-3xl) 0;
  background: white;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-xl);
}

.service-card {
  background: white;
  padding: var(--space-2xl);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-normal);
  border: 1px solid var(--gray-200);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.service-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.service-benefits {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
  margin-top: auto;
}

.benefit {
  font-size: 0.875rem;
  color: var(--gray-700);
  font-weight: 500;
  text-align: center;
}

.service-icon {
  width: 3rem;
  height: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--secondary), var(--accent));
  color: white;
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-sm);
}

.service-card h3 {
  margin: 0;
  color: var(--gray-900);
  font-size: 1.25rem;
  line-height: 1.3;
  text-align: center;
  margin-bottom: var(--space-md);
}

.service-card p {
  color: var(--gray-700);
  line-height: 1.6;
  text-align: center;
  margin-bottom: var(--space-md);
}

/* ===== PORTFOLIO SECTION ===== */
.portafolio {
  padding: var(--space-3xl) 0;
  background: var(--gray-50);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(600px, 1fr));
  gap: 2.5rem;
  max-width: 1400px;
  margin: 0 auto;
}

.proyecto {
  background: white;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  transition: all var(--transition-normal);
  border: 1px solid var(--gray-200);
  position: relative;
}

.proyecto::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
  z-index: 1;
}

.proyecto:hover {
  transform: translateY(-12px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
  border-color: var(--secondary);
}

.proyecto:hover::before {
  opacity: 1;
  animation: shimmer 1.5s ease-in-out;
}

.proyecto-image {
  position: relative;
  height: 160px;
  overflow: hidden;
  border-radius: 12px 12px 0 0;
}

/* ===== PROJECT IMAGE ENHANCEMENTS ===== */
.demo-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--secondary), var(--accent));
  color: white;
  font-weight: 600;
  position: relative;
  transition: all 0.3s ease;
  background-blend-mode: multiply;
  border-radius: 12px 12px 0 0;
  z-index: 10;
  cursor: pointer;
  pointer-events: auto;
}

.demo-placeholder::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.2);
  transition: all 0.3s ease;
  border-radius: 12px 12px 0 0;
  pointer-events: none;
}

.proyecto:hover .demo-placeholder::before {
  background: rgba(0, 0, 0, 0.1);
}

.demo-placeholder > div {
  position: relative;
  z-index: 2;
  transition: all 0.3s ease;
  transform: translateY(0);
  text-align: center;
  pointer-events: auto;
}

.proyecto:hover .demo-placeholder > div {
  transform: translateY(-5px) scale(1.05);
  pointer-events: auto;
}

.demo-placeholder svg {
  filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
  margin-bottom: 0.5rem;
  transition: all 0.3s ease;
}

.demo-placeholder:hover svg {
  transform: rotate(5deg) scale(1.1);
}

/* Click effect */
.demo-placeholder:active {
  transform: scale(0.98) !important;
}

.demo-placeholder:active > div {
  transform: translateY(2px) scale(0.95) !important;
}

/* Clickable indicator animation */
.demo-placeholder[onclick] {
  animation: subtlePulse 3s ease-in-out infinite;
}

.demo-placeholder[onclick]:hover {
  animation: none;
}

@keyframes subtlePulse {
  0%, 100% { 
    box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.4);
  }
  70% { 
    box-shadow: 0 0 0 8px rgba(245, 158, 11, 0);
  }
}

.demo-ecommerce {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.9), rgba(5, 150, 105, 0.9));
}

.demo-restaurant {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.9), rgba(217, 119, 6, 0.9));
}

.proyecto-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  z-index: 5;
  transition: opacity var(--transition-normal);
  visibility: hidden;
}

.proyecto:hover .proyecto-overlay {
  opacity: 1;
  pointer-events: none; /* Cambiado para evitar interferencia */
  visibility: visible;
}

.proyecto-links {
  display: flex;
  gap: var(--space-md);
}

.btn-icon {
  width: 3rem;
  height: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: white;
  color: var(--gray-700);
  border-radius: 50%;
  transition: all var(--transition-fast);
}

.btn-icon:hover {
  background: var(--secondary);
  color: white;
  transform: scale(1.1);
}

.btn-icon.disabled {
  background: var(--gray-300);
  color: var(--gray-500);
  cursor: not-allowed;
}

.proyecto-content {
  padding: 1.5rem;
}

.proyecto-tags {
  display: flex;
  gap: var(--space-xs);
  margin-bottom: var(--space-sm);
  flex-wrap: wrap;
}

.tag {
  padding: 0.25rem 0.5rem;
  background: var(--gray-100);
  color: var(--gray-600);
  font-size: 0.7rem;
  font-weight: 500;
  border-radius: var(--radius-md);
}

.proyecto-content h3 {
  margin-bottom: var(--space-xs);
  color: var(--gray-900);
  font-size: 1.1rem;
  line-height: 1.3;
}

.proyecto-content p {
  margin-bottom: var(--space-sm);
  color: var(--gray-700);
  line-height: 1.4;
  font-size: 0.9rem;
}

.proyecto-features {
  display: flex;
  gap: 0.25rem;
  flex-wrap: wrap;
}

.feature {
  font-size: 0.7rem;
  color: var(--gray-700);
  background: var(--gray-100);
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--gray-200);
}

/* ===== PROCESS SECTION ===== */
.proceso {
  padding: var(--space-3xl) 0;
  background: white;
}

.process-timeline {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
}

.timeline-item {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-xs);
  position: relative;
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-icon {
  width: 3rem; /* Más pequeño por defecto */
  height: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--secondary), var(--accent));
  color: white;
  border-radius: 50%;
  flex-shrink: 0;
  font-weight: 700;
  font-size: 1rem; /* Fuente más pequeña */
  z-index: 1;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Cuando está expandido, icono más grande */
.timeline-item.expanded .timeline-icon {
  width: 4rem;
  height: 4rem;
  font-size: 1.125rem;
}

.timeline-content {
  flex: 1;
  padding-top: var(--space-xs); /* Más compacto */
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Cuando está expandido, más padding */
.timeline-item.expanded .timeline-content {
  padding-top: var(--space-sm);
}

.timeline-content h3 {
  margin-bottom: var(--space-xs); /* Más compacto */
  color: var(--gray-900);
  font-size: 1rem; /* Tamaño más pequeño por defecto */
  transition: all 0.3s ease;
}

/* Cuando está expandido, título más grande */
.timeline-item.expanded .timeline-content h3 {
  margin-bottom: var(--space-sm);
  font-size: 1.125rem;
}

.timeline-content p {
  margin-bottom: var(--space-sm);
  color: var(--gray-700);
  line-height: 1.6;
}

.timeline-content p strong {
  color: var(--secondary);
  font-weight: 700;
  display: block;
  margin-bottom: var(--space-xs);
}

.timeline-duration {
  display: inline-block;
  padding: var(--space-xs) var(--space-sm);
  background: var(--gray-200);
  color: var(--gray-800);
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: var(--radius-md);
}

/* ===== PROCESO COMPACTO - FUNCIONALIDAD COLAPSABLE ===== */
.timeline-header {
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) var(--space-lg); /* Más compacto por defecto */
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: var(--radius-lg); /* Menos radio para más compacto */
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(255,255,255,0.8), rgba(248,250,252,0.9));
  backdrop-filter: blur(10px);
  border: 2px solid transparent;
  margin: var(--space-xs) 0; /* Margen más pequeño */
}

/* Cuando está expandido, más padding */
.timeline-item.expanded .timeline-header {
  padding: var(--space-md) var(--space-xl);
  margin: var(--space-sm) 0;
  border-radius: var(--radius-xl);
}

.timeline-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(14,165,233,0.1), transparent);
  transition: left 0.6s ease;
}

.timeline-header:hover::before {
  left: 100%;
}

.timeline-header:hover {
  background: linear-gradient(135deg, rgba(14,165,233,0.05), rgba(16,185,129,0.05));
  border-color: var(--secondary);
  transform: translateX(8px) scale(1.02);
  box-shadow: 0 8px 25px rgba(14,165,233,0.15);
}

.timeline-header h3 {
  margin: 0;
  cursor: pointer;
  transition: all 0.3s ease;
  font-weight: 600;
  background: linear-gradient(135deg, var(--gray-900), var(--gray-700));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.timeline-header:hover h3 {
  background: linear-gradient(135deg, var(--secondary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  transform: translateX(5px);
}

.toggle-arrow {
  font-size: 1rem; /* Más pequeño por defecto */
  transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  color: var(--gray-600);
  font-weight: bold;
  margin-left: var(--space-sm);
  width: 1.8rem; /* Más pequeño */
  height: 1.8rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--gray-100), var(--gray-200));
  border-radius: 50%;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

/* Cuando está expandido, flecha más grande */
.timeline-item.expanded .toggle-arrow {
  font-size: 1.2rem;
  width: 2rem;
  height: 2rem;
}

.timeline-header:hover .toggle-arrow {
  background: linear-gradient(135deg, var(--secondary), var(--accent));
  color: white;
  transform: scale(1.2) rotate(10deg);
  box-shadow: 0 4px 15px rgba(14,165,233,0.3);
}

.timeline-item.expanded .toggle-arrow {
  transform: rotate(180deg) scale(1.1);
  background: linear-gradient(135deg, var(--accent), var(--secondary));
  color: white;
  box-shadow: 0 4px 15px rgba(16,185,129,0.3);
}

.timeline-item.expanded .timeline-header:hover .toggle-arrow {
  transform: rotate(180deg) scale(1.3);
}

.timeline-details {
  max-height: 0;
  overflow: hidden;
  transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  opacity: 0;
  transform: translateY(-20px);
  background: linear-gradient(135deg, rgba(248,250,252,0.8), rgba(255,255,255,0.9));
  border-radius: var(--radius-lg);
  margin: 0 var(--space-lg);
  border: 1px solid rgba(14,165,233,0.1);
  backdrop-filter: blur(10px);
}

.timeline-item.expanded .timeline-details {
  max-height: 300px;
  opacity: 1;
  transform: translateY(0);
  padding: var(--space-lg);
  box-shadow: inset 0 2px 10px rgba(14,165,233,0.1);
  border-color: rgba(14,165,233,0.2);
}

.timeline-details p {
  animation: fadeInUp 0.8s ease 0.2s both;
}

.timeline-duration {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-lg);
  background: linear-gradient(135deg, var(--accent), var(--secondary));
  color: white;
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: var(--radius-xl);
  box-shadow: 0 4px 15px rgba(16,185,129,0.3);
  animation: fadeInUp 1s ease 0.4s both;
  position: relative;
  overflow: hidden;
}

.timeline-duration::before {
  content: '⏱️';
  margin-right: var(--space-xs);
  animation: pulse 2s infinite;
}

.timeline-duration::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  animation: shimmer 2s infinite;
}

@keyframes shimmer {
  0% { left: -100%; }
  100% { left: 100%; }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.1); }
}

/* Estados de los elementos MEJORADOS */
.timeline-item {
  display: flex;
  gap: var(--space-md); /* Gap más pequeño por defecto */
  margin-bottom: var(--space-xs); /* Mucho más compacto - solo 0.5rem */
  position: relative;
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Cuando está expandido, más gap y espacio */
.timeline-item.expanded {
  gap: var(--space-xl);
  margin-bottom: var(--space-lg); /* Más espacio cuando está abierto */
}

/* Espacio adicional después del último paso expandido */
.timeline-item.expanded:not(:last-child) {
  margin-bottom: var(--space-xl);
}

.timeline-item.disabled {
  opacity: 0.3;
  pointer-events: none;
  filter: grayscale(1);
  transform: scale(0.98);
}

.timeline-item.enabled {
  opacity: 1;
  pointer-events: auto;
  filter: grayscale(0);
  transform: scale(1);
}

.timeline-item.completed .timeline-icon {
  background: linear-gradient(135deg, var(--success), var(--accent));
  box-shadow: 0 6px 25px rgba(16, 185, 129, 0.4);
  animation: completedBounce 0.6s ease;
  position: relative;
}

.timeline-item.completed .timeline-icon::after {
  content: '✓';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 1.2rem;
  color: white;
  font-weight: bold;
  animation: checkmark 0.5s ease 0.3s both;
}

.timeline-item.completed .timeline-icon .step-number {
  opacity: 0;
}

@keyframes completedBounce {
  0% { transform: scale(1); }
  50% { transform: scale(1.3); }
  100% { transform: scale(1.1); }
}

@keyframes checkmark {
  0% { 
    opacity: 0; 
    transform: translate(-50%, -50%) scale(0.5) rotate(-45deg); 
  }
  100% { 
    opacity: 1; 
    transform: translate(-50%, -50%) scale(1) rotate(0deg); 
  }
}

.timeline-item.current .timeline-icon {
  background: linear-gradient(135deg, var(--secondary), var(--accent));
  box-shadow: 0 6px 25px rgba(14, 165, 233, 0.5);
  animation: currentPulse 2s infinite, currentRotate 3s infinite linear;
  position: relative;
}

.timeline-item.current .timeline-icon::before {
  content: '';
  position: absolute;
  top: -4px;
  left: -4px;
  right: -4px;
  bottom: -4px;
  border: 2px solid var(--secondary);
  border-radius: 50%;
  animation: ripple 2s infinite;
}

@keyframes currentPulse {
  0%, 100% {
    box-shadow: 0 6px 25px rgba(14, 165, 233, 0.5);
    transform: scale(1);
  }
  50% {
    box-shadow: 0 8px 35px rgba(14, 165, 233, 0.7);
    transform: scale(1.05);
  }
}

@keyframes currentRotate {
  0% { filter: hue-rotate(0deg); }
  100% { filter: hue-rotate(360deg); }
}

@keyframes ripple {
  0% {
    transform: scale(1);
    opacity: 1;
  }
  100% {
    transform: scale(1.5);
    opacity: 0;
  }
}

/* Efectos hover SUPER MEJORADOS */
.timeline-item.enabled:hover .timeline-icon {
  transform: scale(1.2) rotate(10deg);
  box-shadow: 0 8px 30px rgba(14, 165, 233, 0.6);
  animation: hoverFloat 1s ease infinite alternate;
}

@keyframes hoverFloat {
  0% { transform: scale(1.2) rotate(10deg) translateY(0); }
  100% { transform: scale(1.2) rotate(10deg) translateY(-5px); }
}

.timeline-item.enabled:hover {
  transform: translateX(10px) scale(1.02);
  filter: drop-shadow(0 10px 25px rgba(14,165,233,0.2));
}

.timeline-item.enabled:hover .timeline-header {
  background: linear-gradient(135deg, rgba(14,165,233,0.1), rgba(16,185,129,0.1));
  border-color: var(--secondary);
}

/* Efectos de partículas flotantes */
.timeline-item.expanded::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 20% 30%, rgba(14,165,233,0.1) 1px, transparent 1px),
              radial-gradient(circle at 80% 70%, rgba(16,185,129,0.1) 1px, transparent 1px);
  background-size: 20px 20px;
  animation: floatingParticles 10s linear infinite;
  pointer-events: none;
  z-index: -1;
}

@keyframes floatingParticles {
  0% { background-position: 0 0, 10px 10px; }
  100% { background-position: 20px 20px, 30px 30px; }
}

/* Responsive mejorado */
@media (max-width: 768px) {
  .timeline-header {
    padding: var(--space-sm) var(--space-md);
    margin: var(--space-xs) 0;
  }
  
  .timeline-header:hover {
    transform: translateX(5px) scale(1.01);
  }
  
  .toggle-arrow {
    font-size: 1rem;
    width: 1.8rem;
    height: 1.8rem;
  }
  
  .timeline-item.enabled:hover {
    transform: translateX(5px) scale(1.01);
  }
  
  .timeline-item.enabled:hover .timeline-icon {
    transform: scale(1.1) rotate(5deg);
  }
}

/* ===== PRICING SECTION ===== */
.precios {
  padding: var(--space-3xl) 0;
  background: var(--gray-50);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-xl);
  margin-bottom: var(--space-2xl);
}

.plan {
  background: white;
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-normal);
  position: relative;
  border: 2px solid transparent;
}

.plan:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.plan-popular {
  border-color: var(--secondary);
  transform: scale(1.05);
}

.plan-popular:hover {
  transform: scale(1.05) translateY(-8px);
}

.popular-badge {
  position: absolute;
  top: -1rem;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--secondary), var(--accent));
  color: white;
  padding: var(--space-xs) var(--space-lg);
  border-radius: var(--radius-lg);
  font-size: 0.875rem;
  font-weight: 600;
}

.plan-header {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.plan-header h3 {
  margin-bottom: var(--space-md);
  color: var(--gray-900);
}

.plan-price {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: var(--space-xs);
  margin-bottom: var(--space-md);
}

.currency {
  font-size: 1rem;
  font-weight: 500;
  color: var(--gray-500);
}

.amount {
  font-size: 3rem;
  font-weight: 700;
  color: var(--gray-900);
}

.plan-description {
  color: var(--gray-600);
  font-size: 0.875rem;
}

.plan-features ul {
  list-style: none;
  margin-bottom: var(--space-xl);
}

.plan-features li {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
  color: var(--gray-700);
}

.plan-features svg {
  color: var(--success);
  flex-shrink: 0;
}

.pricing-note {
  text-align: center;
  padding: var(--space-lg);
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.pricing-note p {
  color: var(--gray-700);
  margin: 0;
}

/* ===== CONTACT SECTION ===== */
.contacto {
  padding: var(--space-3xl) 0;
  background: var(--gray-50);
}

.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: start;
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
  margin-top: var(--space-xl);
}

.contact-method {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  padding: var(--space-lg);
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.method-icon {
  width: 3rem;
  height: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--secondary), var(--accent));
  color: white;
  border-radius: var(--radius-lg);
  flex-shrink: 0;
}

.method-content h3 {
  font-size: 1.125rem;
  margin-bottom: 0.25rem;
  color: var(--gray-900);
}

.method-content p {
  font-size: 0.875rem;
  color: var(--gray-700);
  margin-bottom: 0.25rem;
}

.contact-link {
  font-weight: 500;
  color: var(--secondary);
}


.contact-form-wrapper.animated-glass {
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(10px) saturate(1.2);
  box-shadow: 0 8px 32px 0 rgba(14,165,233,0.10), 0 1.5px 8px 0 rgba(16,185,129,0.08);
  border-radius: var(--radius-2xl);
  border: 1.5px solid var(--gray-100);
  padding: var(--space-2xl);
  transition: box-shadow 0.4s cubic-bezier(.4,0,.2,1), background 0.4s;
  position: relative;
  overflow: hidden;
}
.contact-form-wrapper.animated-glass::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg,rgba(14,165,233,0.07) 0%,rgba(16,185,129,0.07) 100%);
  pointer-events: none;
  z-index: 0;
}
.contact-form-wrapper.animated-glass:hover {
  box-shadow: 0 16px 48px 0 rgba(14,165,233,0.18), 0 2px 16px 0 rgba(16,185,129,0.12);
  background: rgba(255,255,255,0.93);
}

.animated-form {
  animation: fadeInUp 0.7s cubic-bezier(.4,0,.2,1);
}
.animated-field {
  opacity: 0;
  transform: translateY(32px);
  animation: fadeInUp 0.7s cubic-bezier(.4,0,.2,1) forwards;
}
.animated-field:nth-child(1) { animation-delay: 0.02s; }
.animated-field:nth-child(2) { animation-delay: 0.10s; }
.animated-field:nth-child(3) { animation-delay: 0.18s; }

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(32px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Labels flotantes */
.form-group {
  position: relative;
  margin-bottom: var(--space-md);
}
.form-group input,
.form-group textarea {
  background: rgba(255,255,255,0.95);
  border: 2px solid var(--gray-300);
  border-radius: var(--radius-md);
  font-size: 1rem;
  padding: var(--space-md) var(--space-md) var(--space-sm) var(--space-md);
  width: 100%;
  transition: border 0.2s, box-shadow 0.2s, background 0.3s;
  outline: none;
  color: var(--gray-900);
  z-index: 1;
}
.form-group label {
  position: absolute;
  left: var(--space-md);
  top: 1.1rem;
  color: var(--gray-500);
  font-size: 1rem;
  pointer-events: none;
  background: transparent;
  transition: all 0.22s cubic-bezier(.4,0,.2,1);
  z-index: 2;
}
.form-group input:focus + label,
.form-group input:not(:placeholder-shown) + label,
.form-group textarea:focus + label,
.form-group textarea:not(:placeholder-shown) + label {
  top: -0.7rem;
  left: var(--space-md);
  font-size: 0.85rem;
  color: var(--secondary);
  background: rgba(255,255,255,0.95);
  padding: 0 0.3em;
  border-radius: 0.4em;
  box-shadow: 0 2px 8px 0 rgba(14,165,233,0.04);
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--secondary);
  box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.10);
  background: #fff;
}
.form-group input:valid,
.form-group textarea:valid {
  border-color: var(--success);
}
.form-group input:invalid:not(:placeholder-shown),
.form-group textarea:invalid:not(:placeholder-shown) {
  border-color: var(--error);
}

.contact-form .btn-primary.animated-btn {
  position: relative;
  overflow: visible;
  background: linear-gradient(90deg, var(--secondary), var(--accent), var(--secondary-light));
  background-size: 200% 200%;
  animation: gradientMove 2.5s linear infinite;
  box-shadow: 0 4px 24px 0 rgba(16,185,129,0.13);
  transition: box-shadow 0.3s, transform 0.18s;
}
.contact-form .btn-primary.animated-btn:hover {
  box-shadow: 0 8px 32px 0 rgba(14,165,233,0.22);
  transform: scale(1.04) translateY(-2px);
}
@keyframes gradientMove {
  0% { background-position: 0% 50%; }
  100% { background-position: 100% 50%; }
}
.btn-particles {
  position: absolute;
  left: 0; top: 0; width: 100%; height: 100%;
  pointer-events: none;
  z-index: 2;
}
.btn-particle {
  position: absolute;
  width: 8px; height: 8px;
  border-radius: 50%;
  opacity: 0.7;
  pointer-events: none;
  animation: btnParticleMove 0.8s cubic-bezier(.4,0,.2,1) forwards;
}
@keyframes btnParticleMove {
  0% { opacity: 1; transform: scale(1) translateY(0); }
  100% { opacity: 0; transform: scale(0.7) translateY(-32px); }
}

.form-status {
  min-height: 1.5em;
  font-size: 1.05em;
  margin-top: 0.5em;
  color: var(--secondary);
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: color 0.3s;
}
.form-status.error { color: var(--error); animation: shake 0.4s; }
.form-status.success { color: var(--success); }

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-5px); }
  40% { transform: translateX(5px); }
  60% { transform: translateX(-3px); }
  80% { transform: translateX(3px); }
}

.contact-form-wrapper:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-2px);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  position: relative;
}

.form-group label {
  font-weight: 600;
  color: var(--gray-800);
  font-size: 0.9rem;
  margin-bottom: var(--space-xs);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: var(--space-md);
  border: 2px solid var(--gray-300);
  border-radius: var(--radius-md);
  font-size: 1rem;
  transition: all var(--transition-fast);
  font-family: inherit;
  background: white;
  color: var(--gray-900);
  width: 100%;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--secondary);
  box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1);
  transform: translateY(-2px);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--gray-500);
  opacity: 0.8;
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
  line-height: 1.5;
}

/* Form validation styles */
.form-group input:valid,
.form-group textarea:valid {
  border-color: var(--success);
}

.form-group input:invalid:not(:placeholder-shown),
.form-group textarea:invalid:not(:placeholder-shown) {
  border-color: var(--error);
}

/* Enhanced submit button */
.contact-form .btn-primary {
  margin-top: var(--space-md);
  position: relative;
  overflow: hidden;
}

.contact-form .btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 15px 35px rgba(14, 165, 233, 0.4);
}

.contact-form .btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s ease;
}

.contact-form .btn-primary:hover::before {
  left: 100%;
}

/* ===== PROFESSIONAL FOOTER ===== */
footer {
  background: #1a1a1a;
  color: white;
  padding: var(--space-2xl) 0 var(--space-md) 0;
  border-top: 3px solid var(--secondary);
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-lg);
}

.footer-main {
  max-width: 350px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.footer-link {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  color: #cccccc;
  text-decoration: none;
  font-size: 0.85rem;
  padding: var(--space-xs) var(--space-sm);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: 12px;
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  opacity: 1; /* Asegurar visibilidad base */
  transform: translateX(0); /* Reset transform */
  /* Variables para el efecto de mouse */
  --mouse-x: 50%;
  --mouse-y: 50%;
  /* Fondo con gradientes y efectos cristal */
  background: 
    linear-gradient(135deg, rgba(255,255,255,0.1), rgba(255,255,255,0.05)),
    linear-gradient(225deg, rgba(0,0,0,0.1), rgba(0,0,0,0.05));
}

.footer-link:hover {
  color: white;
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.footer-link svg {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  transition: all 0.3s ease;
}

/* ===== REDES SOCIALES NIVEL SENIOR - COMPLETAMENTE NUEVO ===== */
/* ===== REDES SOCIALES NIVEL SENIOR - COMPLETAMENTE NUEVO ===== */

/* Wrapper para cada icono con efectos avanzados */
.social-icon-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 45px;
  height: 45px;
  border-radius: 12px;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  overflow: hidden;
  background: linear-gradient(45deg, transparent, rgba(255,255,255,0.1), transparent);
  background-size: 300% 300%;
  animation: shimmer 3s infinite ease-in-out;
}

@keyframes shimmer {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

/* Efecto de ondas concéntricas */
.social-ripple {
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  transform: scale(0);
  opacity: 0;
  transition: all 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  pointer-events: none;
}

/* Partículas flotantes en background */
.social-icon-wrapper::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 1px, transparent 1px);
  background-size: 10px 10px;
  animation: float-particles 8s infinite linear;
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

@keyframes float-particles {
  0% { transform: translate(0, 0) rotate(0deg); }
  100% { transform: translate(-10px, -10px) rotate(360deg); }
}

.footer-link:hover .social-icon-wrapper::before {
  opacity: 1;
}

/* Texto con efecto de máquina de escribir */
.social-text {
  font-weight: 600;
  font-size: 0.9rem;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.social-text::after {
  content: '';
  position: absolute;
  right: 0;
  top: 0;
  height: 100%;
  width: 2px;
  background: currentColor;
  animation: blink 1s infinite;
  opacity: 0;
  transition: opacity 0.3s ease;
}

@keyframes blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

.footer-link:hover .social-text::after {
  opacity: 1;
  animation: typing 0.8s steps(20) forwards, blink 1s infinite 0.8s;
}

@keyframes typing {
  from { right: 100%; }
  to { right: 0; }
}

/* Tooltips con efecto de cristal */
.social-tooltip {
  position: absolute;
  bottom: 120%;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  background: linear-gradient(135deg, rgba(0, 0, 0, 0.95), rgba(30, 30, 30, 0.95));
  color: white;
  padding: 12px 16px;
  border-radius: 12px;
  font-size: 0.75rem;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  backdrop-filter: blur(20px);
  z-index: 1000;
  box-shadow: 
    0 10px 30px rgba(0, 0, 0, 0.3),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.1);
  pointer-events: none;
}

.social-tooltip::before {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  right: 2px;
  height: 50%;
  background: linear-gradient(135deg, rgba(255,255,255,0.1), transparent);
  border-radius: 10px 10px 0 0;
  pointer-events: none;
}

.social-tooltip::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-top-color: rgba(0, 0, 0, 0.95);
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.2));
}

/* Mostrar tooltip al hacer hover */
.footer-link:hover .social-tooltip {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
  animation: tooltip-entrance 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

@keyframes tooltip-entrance {
  0% {
    transform: translateX(-50%) translateY(20px) scale(0.8);
    opacity: 0;
  }
  50% {
    transform: translateX(-50%) translateY(-5px) scale(1.05);
  }
  100% {
    transform: translateX(-50%) translateY(0) scale(1);
    opacity: 1;
  }
}

/* ===== EFECTOS ESPECÍFICOS POR PLATAFORMA ===== */

/* WhatsApp - Verde vibrante con ondas */
.social-whatsapp:hover {
  background: linear-gradient(135deg, #25D366, #128C7E);
  border-color: #25D366;
  box-shadow: 
    0 0 30px rgba(37, 211, 102, 0.4),
    0 0 60px rgba(37, 211, 102, 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
  transform: translateY(-3px) scale(1.02);
}

.social-whatsapp:hover .social-icon-wrapper {
  background: rgba(37, 211, 102, 0.2);
  transform: scale(1.15) rotate(10deg);
  box-shadow: 
    0 0 25px rgba(37, 211, 102, 0.8),
    inset 0 0 15px rgba(255, 255, 255, 0.2);
}

.social-whatsapp:hover .social-ripple {
  background: 
    radial-gradient(circle at center, rgba(37, 211, 102, 0.9) 0%, rgba(37, 211, 102, 0.5) 30%, transparent 70%),
    radial-gradient(circle at center, rgba(255, 255, 255, 0.4) 0%, transparent 50%);
  transform: scale(4);
  opacity: 1;
  animation: whatsapp-pulse 1.2s ease-out infinite;
}

@keyframes whatsapp-pulse {
  0% { transform: scale(1); opacity: 1; }
  100% { transform: scale(4); opacity: 0; }
}

/* GitHub - Efecto de código matrix */
.social-github:hover {
  background: linear-gradient(135deg, #333, #666);
  border-color: #666;
  box-shadow: 
    0 0 30px rgba(102, 102, 102, 0.4),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
  transform: translateY(-3px) scale(1.02);
}

.social-github:hover .social-icon-wrapper {
  background: rgba(255, 255, 255, 0.15);
  transform: scale(1.15) rotate(-10deg);
  animation: github-code-flash 1.5s ease-in-out infinite;
}

@keyframes github-code-flash {
  0%, 100% { 
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.1);
    filter: brightness(1);
  }
  50% { 
    box-shadow: 0 0 30px rgba(255, 255, 255, 0.4);
    filter: brightness(1.3);
  }
}

.social-github:hover .social-ripple {
  background: 
    conic-gradient(from 0deg, rgba(255, 255, 255, 0.2), transparent, rgba(255, 255, 255, 0.2)),
    radial-gradient(circle, rgba(255, 255, 255, 0.1), transparent);
  transform: scale(3);
  opacity: 1;
  animation: github-scan 2s linear infinite;
}

@keyframes github-scan {
  0% { transform: scale(1) rotate(0deg); }
  100% { transform: scale(3) rotate(360deg); }
}

/* LinkedIn - Efecto profesional azul */
.social-linkedin:hover {
  background: linear-gradient(135deg, #0077B5, #00A0DC);
  border-color: #0077B5;
  box-shadow: 
    0 0 30px rgba(0, 119, 181, 0.4),
    0 0 60px rgba(0, 119, 181, 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
  transform: translateY(-3px) scale(1.02);
}

.social-linkedin:hover .social-icon-wrapper {
  background: rgba(0, 119, 181, 0.25);
  transform: scale(1.15) rotate(8deg);
  animation: linkedin-professional 2.5s ease-in-out infinite;
}

@keyframes linkedin-professional {
  0%, 100% { 
    box-shadow: 0 0 20px rgba(0, 119, 181, 0.3);
  }
  50% { 
    box-shadow: 
      0 0 35px rgba(0, 119, 181, 0.6),
      0 0 50px rgba(0, 119, 181, 0.3);
  }
}

.social-linkedin:hover .social-ripple {
  background: 
    radial-gradient(circle, rgba(0, 119, 181, 0.5), transparent),
    linear-gradient(45deg, rgba(0, 119, 181, 0.3), rgba(0, 160, 220, 0.3));
  transform: scale(3.5);
  opacity: 1;
  animation: linkedin-network 1.8s ease-out infinite;
}

@keyframes linkedin-network {
  0% { 
    transform: scale(1);
    opacity: 0.9;
  }
  50% {
    transform: scale(2.5);
    opacity: 0.5;
  }
  100% { 
    transform: scale(3.5);
    opacity: 0;
  }
}

/* Email - Efecto de envío de mensaje */
.social-email:hover {
  background: linear-gradient(135deg, #EA4335, #FBBC04);
  border-color: #EA4335;
  box-shadow: 
    0 0 30px rgba(234, 67, 53, 0.4),
    0 0 60px rgba(251, 188, 4, 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
  transform: translateY(-3px) scale(1.02);
}

.social-email:hover .social-icon-wrapper {
  background: rgba(234, 67, 53, 0.25);
  transform: scale(1.15) rotate(-8deg);
  animation: email-shake 0.6s ease-in-out infinite;
}

@keyframes email-shake {
  0%, 100% { transform: scale(1.15) rotate(-8deg); }
  25% { transform: scale(1.15) rotate(-5deg); }
  75% { transform: scale(1.15) rotate(-11deg); }
}

.social-email:hover .social-ripple {
  background: 
    radial-gradient(circle, rgba(234, 67, 53, 0.5) 0%, rgba(251, 188, 4, 0.4) 50%, transparent 100%);
  transform: scale(3);
  opacity: 1;
  animation: email-send 1.2s ease-out infinite;
}

@keyframes email-send {
  0% { 
    transform: scale(1) rotate(0deg);
    opacity: 1;
  }
  100% { 
    transform: scale(3) rotate(180deg);
    opacity: 0;
  }
}

/* ===== EFECTOS GENERALES ===== */

/* Iconos SVG con animación avanzada */
.footer-link:hover svg {
  animation: icon-dance 2s ease-in-out infinite;
  filter: brightness(1.2) drop-shadow(0 0 8px currentColor);
}

@keyframes icon-dance {
  0%, 100% { 
    transform: scale(1) rotate(0deg);
  }
  25% { 
    transform: scale(1.1) rotate(5deg);
  }
  75% { 
    transform: scale(1.1) rotate(-5deg);
  }
}

/* Efecto de brillo que se mueve */
.footer-link::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: 
    linear-gradient(90deg, 
      transparent 0%, 
      rgba(255, 255, 255, 0.1) 25%, 
      rgba(255, 255, 255, 0.3) 50%, 
      rgba(255, 255, 255, 0.1) 75%, 
      transparent 100%
    );
  transition: left 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  z-index: 1;
  pointer-events: none;
}

.footer-link:hover::before {
  left: 100%;
  animation: continuous-shine 2s ease-in-out infinite 0.5s;
}

@keyframes continuous-shine {
  0% { left: -100%; }
  50% { left: 0%; }
  100% { left: 100%; }
}

/* Efecto de cristal líquido que sigue el mouse */
.footer-link::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at var(--mouse-x, 50%) var(--mouse-y, 50%), 
      rgba(255, 255, 255, 0.15) 0%, 
      transparent 50%
    );
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
  z-index: 0;
}

.footer-link:hover::after {
  opacity: 1;
}

/* Responsive para redes sociales */
@media (max-width: 768px) {
  .footer-links {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-xs);
  }
  
  .footer-link {
    flex: 1;
    min-width: 120px;
    justify-content: center;
  }
  
  .social-text {
    display: none;
  }
  
  .social-tooltip {
    display: block;
  }
}

.footer-brand {
  display: flex;
  align-items: center;
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
}

.footer-brand .logo-text {
  color: var(--secondary);
}

.footer-brand .logo-accent {
  color: var(--accent);
}

.footer-description {
  color: #cccccc;
  line-height: 1.5;
  margin-bottom: var(--space-md);
  font-size: 0.9rem;
}

.footer-services h4,
.footer-contact h4 {
  color: white;
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--space-md);
  border-bottom: 2px solid var(--secondary);
  padding-bottom: var(--space-xs);
  display: inline-block;
}

.footer-services ul,
.footer-contact ul {
  list-style: none;
  padding: 0;
}

.footer-services li,
.footer-contact li {
  color: #cccccc;
  margin-bottom: var(--space-xs);
  font-size: 0.85rem;
  line-height: 1.4;
}

.footer-bottom {
  padding-top: var(--space-md);
  border-top: 1px solid #333333;
}

.footer-bottom-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-md);
}

.footer-copyright {
  text-align: left;
  flex: 1;
}

.footer-bottom p {
  color: #999999;
  margin-bottom: var(--space-xs);
  font-size: 0.8rem;
}

.footer-bottom p:first-child {
  font-weight: 500;
  color: #cccccc;
}

.footer-location {
  font-size: 0.75rem;
  color: var(--secondary);
}

/* Admin Button Styles - Professional & Discrete */
.admin-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.95), rgba(30, 41, 59, 0.95));
  border: 1px solid rgba(148, 163, 184, 0.1);
  border-radius: 8px;
  color: rgba(148, 163, 184, 0.7);
  font-size: 0.8rem;
  font-weight: 500;
  font-family: 'Inter', monospace;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  opacity: 0.3;
  backdrop-filter: blur(8px);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  position: relative;
  overflow: hidden;
}

.admin-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.1), transparent);
  transition: left 0.6s ease;
}

.admin-btn:hover {
  background: linear-gradient(135deg, rgba(30, 41, 59, 0.98), rgba(51, 65, 85, 0.98));
  border-color: rgba(59, 130, 246, 0.3);
  color: rgba(59, 130, 246, 0.9);
  opacity: 1;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.15);
}

.admin-btn:hover::before {
  left: 100%;
}

.admin-btn:active {
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(59, 130, 246, 0.2);
}

.admin-btn svg {
  width: 14px;
  height: 14px;
  opacity: 0.7;
  transition: all 0.3s ease;
}

.admin-btn:hover svg {
  opacity: 1;
  transform: rotate(5deg);
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1024px) {
  .hero {
    flex-direction: column;
    text-align: center;
    padding: var(--space-3xl) var(--space-lg);
  }
  
  .hero-visual {
    margin-top: var(--space-2xl);
  }
  
  .contact-wrapper {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 var(--space-lg);
  }
  
  .nav-menu {
    position: fixed;
    top: 4rem;
    left: -100%;
    width: 100%;
    height: calc(100vh - 4rem);
    background: var(--gray-50);
    flex-direction: column;
    justify-content: flex-start;
    align-items: stretch;
    padding: var(--space-xl);
    transition: left var(--transition-normal);
    border-top: 1px solid var(--gray-200);
  }
  
  .nav-menu.active {
    left: 0;
  }
  
  .nav-menu li {
    margin-bottom: var(--space-lg);
  }
  
  .nav-link {
    display: block;
    padding: var(--space-md);
    text-align: center;
    border-radius: var(--radius-md);
    background: white;
    box-shadow: var(--shadow-sm);
  }
  
  .hamburger {
    display: flex;
  }
  
  .hamburger.active .bar:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  
  .hamburger.active .bar:nth-child(2) {
    opacity: 0;
  }
  
  .hamburger.active .bar:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
  }
  
  .hero-wrapper {
    flex-direction: column;
    text-align: center;
    gap: var(--space-xl);
  }
  
  .hero-content {
    max-width: 100%;
  }
  
  .hero-visual {
    order: -1;
    max-width: 280px;
  }
  
  .hero-cta {
    flex-direction: column;
    align-items: center;
  }
  
  .hero-stats {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }
  
  .services-grid {
    grid-template-columns: 1fr;
  }
  
  .service-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--space-md);
  }
  
  .service-icon {
    width: 2.75rem;
    height: 2.75rem;
    margin: 0 auto;
  }
  
  .portfolio-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
    max-width: 580px;
    margin: 0 auto;
  }
  
  .proyecto {
    flex-direction: column;
    max-height: none;
  }
  
  .proyecto-image {
    width: 100%;
    height: 180px;
    border-radius: 12px 12px 0 0;
  }
  
  .demo-placeholder {
    border-radius: 12px 12px 0 0;
  }
  
  .demo-placeholder::before {
    border-radius: 12px 12px 0 0;
  }
  
  .pricing-grid {
    grid-template-columns: 1fr;
  }
  
  .plan-popular {
    transform: none;
  }
  
  .plan-popular:hover {
    transform: translateY(-8px);
  }
  
  .process-timeline::before {
    left: 1.5rem;
  }
  
  .timeline-icon {
    width: 3rem;
    height: 3rem;
    font-size: 1rem;
  }
  
  .floating-cards {
    width: 250px;
    height: 250px;
  }
  
  .card-1 {
    width: 150px;
    height: 100px;
  }
  
  .card-2 {
    width: 120px;
    height: 80px;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
    text-align: center;
  }
  
  .footer-links {
    max-width: 200px;
    margin: var(--space-sm) auto 0;
  }
  
  .footer-services,
  .footer-contact {
    text-align: left;
    max-width: 250px;
    margin: 0 auto;
  }
  
  .footer-services h4,
  .footer-contact h4 {
    text-align: center;
  }
  
  .footer-bottom-content {
    flex-direction: column;
    gap: var(--space-sm);
    text-align: center;
  }
  
  .footer-copyright {
    text-align: center;
  }
  
  .admin-btn {
    align-self: center;
    font-size: 0.75rem;
    padding: 0.625rem 0.875rem;
    opacity: 0.25;
  }
  
  .admin-btn:hover {
    opacity: 0.9;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-md);
  }
  
  .hero {
    padding: var(--space-2xl) var(--space-md);
  }
  
  .btn {
    padding: var(--space-sm) var(--space-lg);
    font-size: 0.875rem;
  }
  
  .service-card {
    padding: var(--space-lg);
  }
  
  .service-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--space-xs);
    margin-bottom: var(--space-md);
  }
  
  .service-icon {
    width: 2.25rem;
    height: 2.25rem;
    margin: 0 auto;
  }
  
  .service-card h3 {
    font-size: 1rem;
    margin: 0;
  }
  
  .portfolio-grid {
    max-width: 400px;
  }
  
  .proyecto-content {
    padding: 1.25rem;
  }
  
  .contact-form-wrapper {
    padding: var(--space-lg);
  }
}

/* Extra small devices (portrait phones, less than 375px) */
@media (max-width: 374px) {
  .service-card {
    padding: var(--space-md);
  }
  
  .service-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--space-xs);
    margin-bottom: var(--space-sm);
  }
  
  .service-icon {
    width: 2rem;
    height: 2rem;
    margin: 0 auto;
  }
  
  .service-card h3 {
    font-size: 0.95rem;
    line-height: 1.2;
  }
  
  .service-card p {
    font-size: 0.85rem;
    line-height: 1.5;
  }
  
  .service-benefits {
    margin-top: var(--space-sm);
    gap: 0.25rem;
  }
  
  .benefit {
    font-size: 0.8rem;
  }
  
  .portfolio-grid {
    max-width: 350px;
  }
  
  .proyecto-content {
    padding: 1rem;
  }
  
  .proyecto-content h3 {
    font-size: 1rem;
  }
  
  .proyecto-content p {
    font-size: 0.85rem;
  }
}

/* ===== MOBILE NAVIGATION ===== */
@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }
  
  .nav-menu {
    position: fixed;
    top: 4rem;
    left: -100%;
    width: 100%;
    height: calc(100vh - 4rem);
    background: rgba(248, 250, 252, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    padding-top: var(--space-3xl);
    transition: left var(--transition-normal);
  }
  
  .nav-menu.active {
    left: 0;
  }
  
  .nav-menu li {
    margin: var(--space-md) 0;
  }
  
  .nav-link {
    font-size: 1.25rem;
    padding: var(--space-md) var(--space-xl);
  }
  
  .hamburger.active .bar:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
  }
  
  .hamburger.active .bar:nth-child(2) {
    opacity: 0;
  }
  
  .hamburger.active .bar:nth-child(3) {
    transform: rotate(-45deg) translate(8px, -8px);
  }
}

/* ===== NAVBAR SCROLL EFFECT ===== */
.navbar.scrolled {
  background: rgba(248, 250, 252, 0.98);
  box-shadow: var(--shadow-md);
}

/* ===== NOTIFICATIONS ===== */
.notification {
  position: fixed;
  top: -100px;
  right: var(--space-lg);
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  z-index: 10000;
  max-width: 400px;
  border-left: 4px solid transparent;
  transition: all var(--transition-normal);
}

.notification.show {
  top: var(--space-xl);
}

.notification-success {
  border-left-color: var(--success);
}

.notification-error {
  border-left-color: var(--error);
}

.notification-info {
  border-left-color: var(--secondary);
}

.notification-content {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-lg);
}

.notification-message {
  flex: 1;
  color: var(--gray-700);
  line-height: 1.5;
}

.notification-close {
  background: none;
  border: none;
  color: var(--gray-400);
  cursor: pointer;
  padding: var(--space-xs);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.notification-close:hover {
  background: var(--gray-100);
  color: var(--gray-600);
}

/* ===== ANIMATIONS ===== */
.fade-in-element {
  opacity: 0;
  transform: translateY(50px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.fade-in-element.animate-in {
  opacity: 1;
  transform: translateY(0);
}

/* Enhanced staggered animation */
.fade-in-element:nth-child(1) { transition-delay: 0.1s; }
.fade-in-element:nth-child(2) { transition-delay: 0.2s; }
.fade-in-element:nth-child(3) { transition-delay: 0.3s; }
.fade-in-element:nth-child(4) { transition-delay: 0.4s; }
.fade-in-element:nth-child(5) { transition-delay: 0.5s; }
.fade-in-element:nth-child(6) { transition-delay: 0.6s; }

/* Parallax elements */
.parallax-element {
  will-change: transform;
}

/* Service cards 3D effects */
.service-card {
  background: white;
  padding: var(--space-2xl);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid var(--gray-200);
  transform-style: preserve-3d;
  perspective: 1000px;
}

.service-card:hover {
  border-color: var(--secondary);
}

/* Typing animation */
.typing-element {
  display: inline-block;
}

.typing-text {
  color: var(--secondary);
  font-weight: 700;
}

.cursor {
  color: var(--secondary);
  animation: blink 1s infinite;
}

@keyframes blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

/* Enhanced floating cards */
.card {
  position: absolute;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(15px);
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-xl);
  padding: var(--space-lg);
  animation: float 6s ease-in-out infinite;
  box-shadow: var(--shadow-lg);
  transition: all 0.3s ease;
  will-change: transform;
}

.card:hover {
  transform: scale(1.05) !important;
  box-shadow: var(--shadow-xl);
}

/* Interactive project cards */
.proyecto {
  background: white;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  transform-style: preserve-3d;
}

.proyecto:hover {
  transform: translateY(-15px) rotateX(2deg);
  box-shadow: 0 25px 50px rgba(0,0,0,0.15);
}

/* Enhanced pricing cards */
.plan {
  background: white;
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-lg);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  border: 2px solid transparent;
  transform-style: preserve-3d;
}

.plan:hover {
  transform: translateY(-12px) rotateX(3deg);
  box-shadow: 0 30px 60px rgba(0,0,0,0.12);
  border-color: var(--secondary);
}

/* Glowing effects */
.glow-on-hover {
  position: relative;
  overflow: hidden;
}

.glow-on-hover::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s ease;
}

.glow-on-hover:hover::before {
  left: 100%;
}

/* Pulse animation for CTAs */
.btn-primary {
  background: linear-gradient(135deg, var(--secondary), var(--accent));
  color: white;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s ease;
}

.btn-primary:hover::before {
  left: 100%;
}

.btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 15px 35px rgba(14, 165, 233, 0.4);
  color: white;
}

/* Morphing shapes in background */
@keyframes morph {
  0% { border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%; }
  50% { border-radius: 30% 60% 70% 40% / 50% 60% 30% 60%; }
  100% { border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%; }
}

.hero::after {
  content: '';
  position: absolute;
  top: 10%;
  right: 10%;
  width: 200px;
  height: 200px;
  background: linear-gradient(45deg, rgba(14, 165, 233, 0.1), rgba(16, 185, 129, 0.1));
  border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
  animation: morph 8s ease-in-out infinite;
  z-index: 1;
}

/* Interactive timeline */
.timeline-item {
  transition: all 0.4s ease;
}

.timeline-item:hover {
  transform: translateX(10px);
}

.timeline-item:hover .timeline-icon {
  transform: scale(1.1) rotate(5deg);
  box-shadow: 0 8px 25px rgba(14, 165, 233, 0.4);
}

/* Smooth progress bar - REMOVED DUPLICATE */

/* Loading states with skeleton */
.skeleton {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: loading 1.5s infinite;
}

@keyframes loading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ===== PARTICLE SYSTEM ===== */
.particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: linear-gradient(45deg, var(--secondary), var(--accent));
  border-radius: 50%;
  opacity: 0.6;
  animation: float-particle linear infinite;
  pointer-events: none;
  z-index: 1;
}

@keyframes float-particle {
  0% {
    transform: translateY(100vh) rotate(0deg);
    opacity: 0;
  }
  10% {
    opacity: 0.6;
  }
  90% {
    opacity: 0.6;
  }
  100% {
    transform: translateY(-100px) rotate(360deg);
    opacity: 0;
  }
}

/* ===== ENHANCED HERO SECTION ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, #ffffff 0%, #f8fafc 50%, #f1f5f9 100%);
  color: var(--gray-900);
  position: relative;
  overflow: hidden;
  padding-top: 5rem;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 50%, rgba(14, 165, 233, 0.04), transparent 50%),
              radial-gradient(circle at 80% 20%, rgba(16, 185, 129, 0.03), transparent 50%),
              radial-gradient(circle at 40% 80%, rgba(14, 165, 233, 0.03), transparent 50%);
  z-index: 1;
}

/* Animated background shapes */
.hero::after {
  content: '';
  position: absolute;
  top: 10%;
  right: 10%;
  width: 200px;
  height: 200px;
  background: linear-gradient(45deg, rgba(14, 165, 233, 0.1), rgba(16, 185, 129, 0.1));
  border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
  animation: morph 8s ease-in-out infinite;
  z-index: 1;
}

/* ===== MAGNETIC EFFECT ===== */
.magnetic {
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== SCROLLBAR STYLING ===== */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--gray-100);
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--secondary), var(--accent));
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, var(--accent), var(--secondary));
}

/* ===== ENHANCED TRANSITIONS ===== */
* {
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
              box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1),
              background-color 0.3s cubic-bezier(0.4, 0, 0.2, 1),
              border-color 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== GLASSMORPHISM EFFECTS ===== */
.glass {
  background: rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(15px);
  border: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
}

/* ===== ENHANCED FLOATING CARDS ===== */
@keyframes float {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-20px);
  }
}

@keyframes float-reverse {
  0%, 100% {
    transform: translateY(-10px);
  }
  50% {
    transform: translateY(10px);
  }
}

.card-1 {
  animation: float 6s ease-in-out infinite;
}

.card-2 {
  animation: float-reverse 4s ease-in-out infinite;
}

/* ===== MICRO INTERACTIONS ===== */
.service-icon {
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.service-card:hover .service-icon {
  transform: scale(1.1) rotate(5deg);
  box-shadow: 0 8px 25px rgba(14, 165, 233, 0.3);
}

.plan:hover .popular-badge {
  animation: pulse 1s infinite;
}

@keyframes pulse {
  0%, 100% { transform: translateX(-50%) scale(1); }
  50% { transform: translateX(-50%) scale(1.05); }
}

/* ===== LOADING ANIMATIONS ===== */
.btn.loading {
  position: relative;
  color: transparent;
}

.btn.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top: 2px solid white;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: translate(-50%, -50%) rotate(0deg); }
  100% { transform: translate(-50%, -50%) rotate(360deg); }
}

/* ===== DISCO PARTICLES ===== */
@keyframes disco-fall {
  0% {
    transform: translateY(0) rotate(0deg);
    opacity: 1;
  }
  100% {
    transform: translateY(100vh) rotate(360deg);
    opacity: 0;
  }
}

/* ===== PERFORMANCE OPTIMIZATIONS ===== */
.low-performance * {
  animation-duration: 0.1s !important;
  transition-duration: 0.1s !important;
}

.low-performance .particle {
  display: none;
}

/* ===== ENHANCED EASTER EGG ===== */
@keyframes rainbow {
  0% { filter: hue-rotate(0deg); }
  25% { filter: hue-rotate(90deg); }
  50% { filter: hue-rotate(180deg); }
  75% { filter: hue-rotate(270deg); }
  100% { filter: hue-rotate(360deg); }
}

/* ===== ENHANCED MOBILE EXPERIENCE ===== */
@media (max-width: 768px) {
  /* Reduce motion for better mobile performance */
  .hero::after {
    animation: none;
  }
  
  .card {
    animation-duration: 8s;
  }
  
  /* Enhanced touch targets */
  .btn,
  .nav-link,
  .service-card,
  .proyecto {
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  /* Mobile-specific hover states using touch */
  .service-card:active {
    transform: scale(0.98);
  }
  
  .btn:active {
    transform: scale(0.96);
  }
}

/* ===== ACCESSIBILITY ENHANCEMENTS ===== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after,
  .hero::after,
  .particle,
  .card,
  .floating-cards {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  .particle {
    display: none !important;
  }
}

/* ===== HIGH CONTRAST MODE ===== */
@media (prefers-contrast: high) {
  :root {
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.3);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.3);
  }
  
  .service-card,
  .proyecto,
  .plan {
    border: 2px solid var(--gray-900);
  }
}

/* ===== FOCUS IMPROVEMENTS ===== */
.service-card:focus-within,
.proyecto:focus-within,
.plan:focus-within {
  outline: 3px solid var(--secondary);
  outline-offset: 2px;
  transform: translateY(-8px);
}

/* ===== ENHANCED TYPOGRAPHY ANIMATION ===== */
.typing-text {
  background: linear-gradient(45deg, var(--secondary), var(--accent), var(--secondary));
  background-size: 200% 200%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradient-shift 3s ease infinite;
}

@keyframes gradient-shift {
  0%, 100% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
}

/* ===== 3D EFFECTS ===== */
.service-card,
.proyecto,
.plan {
  transform-style: preserve-3d;
  backface-visibility: hidden;
}

/* ===== ENHANCED BUTTONS ===== */
.btn-primary {
  position: relative;
  overflow: hidden;
  transform-style: preserve-3d;
}

.btn-primary::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s ease;
}

.btn-primary:hover::after {
  left: 100%;
}

/* Enhanced scroll indicator - REMOVED DUPLICATE */

/* ===== FINAL POLISH ===== */
.hero-content,
.service-card,
.proyecto,
.plan {
  will-change: transform;
}

/* Smooth scrolling enhancement */
html {
  scroll-behavior: smooth;
  scroll-padding-top: 6rem;
}

/* ===== EASTER EGG ANIMATION ===== */
@keyframes rainbow {
  0% { filter: hue-rotate(0deg); }
  25% { filter: hue-rotate(90deg); }
  50% { filter: hue-rotate(180deg); }
  75% { filter: hue-rotate(270deg); }
  100% { filter: hue-rotate(360deg); }
}

/* ===== FORM VALIDATION ===== */
.error-message {
  color: var(--error);
  font-size: 0.875rem;
  margin-top: var(--space-xs);
}

input:invalid,
textarea:invalid {
  border-color: var(--error);
}

input:valid,
textarea:valid {
  border-color: var(--success);
}

/* ===== LOADING STATES ===== */
.btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.btn:disabled:hover {
  transform: none;
  box-shadow: var(--shadow-md);
}

/* ===== SMOOTH SCROLL PADDING ===== */
html {
  scroll-padding-top: 5rem;
}

/* ===== FOCUS STATES ===== */
*:focus {
  outline: 2px solid var(--secondary);
  outline-offset: 2px;
}

.btn:focus,
input:focus,
textarea:focus {
  outline: 2px solid var(--secondary);
  outline-offset: 2px;
}

/* ===== ACCESSIBILITY ===== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  html {
    scroll-behavior: auto;
  }
}

/* ===== PROFESSIONAL ENHANCEMENTS ===== */

/* Service Tech Tags */
.service-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}

.service-tech span {
  padding: 0.25rem 0.75rem;
  background: linear-gradient(135deg, var(--secondary), var(--accent));
  color: white;
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: 1rem;
  opacity: 0.9;
}

/* Professional Color Gradients */
.gradient-text {
  color: var(--secondary);
  font-weight: 700;
}

/* Enhanced Hero Stats Grid */
.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
  padding-top: var(--space-xl);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

@media (max-width: 768px) {
  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
  }
}

/* Professional Portfolio Placeholders */
.demo-fintech {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
}

.demo-saas {
  background: linear-gradient(135deg, var(--accent), var(--gold));
  color: white;
}

/* Confidential Project Styling */
.btn-icon.confidential {
  background: var(--accent-warm);
  color: white;
}

.btn-icon.developing {
  background: var(--gold);
  color: white;
}

/* Enhanced Pricing Period */
.plan-price .period {
  font-size: 1rem;
  font-weight: 400;
  color: var(--gray-600);
}

/* Professional Section Headers */
.section-badge {
  background: linear-gradient(135deg, var(--secondary), var(--accent));
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
}

/* Enhanced Button Gradients */
.btn-primary {
  background: linear-gradient(135deg, var(--secondary), var(--accent));
  border: none;
  color: white;
  font-weight: 600;
  box-shadow: 0 4px 20px rgba(37, 99, 235, 0.3);
}

.btn-primary:hover {
  box-shadow: 0 8px 25px rgba(37, 99, 235, 0.4);
  transform: translateY(-2px);
}

/* Professional Typography Enhancements */
h1, h2, h3 {
  color: var(--primary);
  font-weight: 700;
}

h2 {
  color: var(--primary);
  font-weight: 700;
}

/* Enhanced Service Cards */
.service-card {
  background: white;
  border: 1px solid var(--gray-200);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  transition: all 0.3s ease;
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
  border-color: var(--secondary);
}

.service-icon {
  background: linear-gradient(135deg, var(--secondary), var(--accent));
  color: white;
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  margin-bottom: 1.5rem;
}

/* Professional Footer */
.footer-brand {
  font-size: 1.5rem;
  font-weight: 700;
}

/* Enhanced Navigation */
.nav-link:hover {
  color: var(--secondary);
}

.btn-nav {
  background: linear-gradient(135deg, var(--secondary), var(--accent));
  color: white !important;
  padding: 0.5rem 1.5rem;
  border-radius: 8px;
  font-weight: 600;
}

/* Professional Forms */
.contact-form input,
.contact-form textarea {
  border: 2px solid var(--gray-200);
  background: white;
  color: var(--gray-800);
  transition: all 0.3s ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--secondary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Enhanced Project Features */
.proyecto-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem;
  margin-top: 1rem;
}

.feature {
  font-size: 0.875rem;
  color: var(--gray-600);
  font-weight: 500;
}

/* Professional Timeline */
.timeline-icon {
  background: linear-gradient(135deg, var(--secondary), var(--accent));
  color: white;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  box-shadow: 0 4px 20px rgba(37, 99, 235, 0.3);
}

/* Enterprise Color Scheme */
:root {
  --shadow-enterprise: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --gradient-primary: linear-gradient(135deg, var(--primary), var(--secondary));
  --gradient-accent: linear-gradient(135deg, var(--accent), var(--gold));
  --gradient-warm: linear-gradient(135deg, var(--accent-warm), var(--gold));
}

/* ===== TECH EXPERTISE SECTION ===== */
.tech-expertise {
  padding: var(--space-3xl) 0;
  background: linear-gradient(135deg, var(--gray-50), white);
}

.tech-categories {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-2xl);
  margin-bottom: var(--space-3xl);
}

.tech-category h3 {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
  color: var(--primary);
  font-size: 1.25rem;
  font-weight: 700;
}

.tech-category h3 svg {
  color: var(--secondary);
}

.tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.tech-item {
  padding: 0.5rem 1rem;
  border-radius: var(--radius-lg);
  font-size: 0.875rem;
  font-weight: 600;
  border: 2px solid;
  transition: all 0.3s ease;
  cursor: default;
}

.tech-item.expert {
  background: linear-gradient(135deg, var(--accent), var(--secondary));
  color: white;
  border-color: transparent;
  box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}

.tech-item.advanced {
  background: linear-gradient(135deg, var(--gold), var(--accent));
  color: white;
  border-color: transparent;
  box-shadow: 0 4px 15px rgba(217, 119, 6, 0.3);
}

.tech-item.intermediate {
  background: white;
  color: var(--gray-700);
  border-color: var(--gray-300);
}

.tech-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

/* ===== CERTIFICATIONS ===== */
.certifications {
  background: white;
  padding: var(--space-2xl);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--gray-200);
}

.certifications h3 {
  text-align: center;
  margin-bottom: var(--space-2xl);
  color: var(--primary);
  font-size: 1.5rem;
}

.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-xl);
}

.cert-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: var(--gray-50);
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-200);
  transition: all 0.3s ease;
}

.cert-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--secondary);
}

.cert-icon {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  flex-shrink: 0;
}

.cert-icon.aws {
  background: linear-gradient(135deg, #ff9900, #232f3e);
}

.cert-icon.kubernetes {
  background: linear-gradient(135deg, #326ce5, #0f1419);
}

.cert-icon.leadership {
  background: linear-gradient(135deg, var(--accent), var(--secondary));
}

.cert-content h4 {
  margin: 0 0 0.25rem 0;
  color: var(--primary);
  font-size: 1rem;
  font-weight: 700;
}

.cert-content p {
  margin: 0;
  color: var(--gray-600);
  font-size: 0.875rem;
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
  .tech-categories {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }
  
  .cert-grid {
    grid-template-columns: 1fr;
  }
  
  .tech-item {
    font-size: 0.8rem;
    padding: 0.4rem 0.8rem;
  }
}

/* ===== ENHANCED CONTACT SECTION ===== */
.contact-methods {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
}

.contact-method {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: white;
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}

.contact-method:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  border-color: var(--secondary);
}

.method-icon {
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, var(--secondary), var(--accent));
  color: white;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.method-content h3 {
  margin: 0 0 0.25rem 0;
  color: var(--primary);
  font-size: 1.1rem;
  font-weight: 700;
}

.method-content p {
  margin: 0 0 0.5rem 0;
  color: var(--gray-600);
  font-size: 0.875rem;
}

.contact-link {
  color: var(--secondary);
  font-weight: 600;
  text-decoration: none;
  transition: color 0.3s ease;
}

.contact-link:hover {
  color: var(--accent);
}

/* Enterprise Stats */
.enterprise-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-2xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--gray-200);
}

.enterprise-stat {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  text-align: left;
}

.stat-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.enterprise-stat strong {
  display: block;
  color: var(--primary);
  font-weight: 700;
  font-size: 1rem;
}

.enterprise-stat p {
  margin: 0;
  color: var(--gray-600);
  font-size: 0.875rem;
}

/* Enhanced Form Styling */
.contact-form select {
  width: 100%;
  padding: var(--space-md);
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-md);
  background: white;
  color: var(--gray-800);
  font-size: 1rem;
  transition: all 0.3s ease;
  appearance: none;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
  background-position: right 0.75rem center;
  background-repeat: no-repeat;
  background-size: 1.5em 1.5em;
  padding-right: 2.5rem;
}

.contact-form select:focus {
  border-color: var(--secondary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.contact-form label {
  display: block;
  margin-bottom: var(--space-xs);
  color: var(--gray-700);
  font-weight: 600;
  font-size: 0.875rem;
}

/* Mobile Responsive Contact */
@media (max-width: 768px) {
  .enterprise-stats {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }
  
  .enterprise-stat {
    justify-content: center;
    text-align: center;
  }
  
  .contact-method {
    flex-direction: column;
    text-align: center;
    gap: var(--space-sm);
  }
  
  .method-icon {
    width: 60px;
    height: 60px;
  }
}

/* ===== ENHANCED FOOTER ===== */
footer {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: white;
  padding: var(--space-3xl) 0 var(--space-xl) 0;
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
}

.footer-main {
  grid-column: span 1;
}

.senior-badge {
  display: inline-block;
  margin-left: var(--space-sm);
  padding: 0.25rem 0.75rem;
  background: linear-gradient(135deg, var(--accent), var(--gold));
  color: white;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-description {
  margin: var(--space-lg) 0;
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.6;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-link {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  color: rgba(255, 255, 255, 0.9);
  text-decoration: none;
  font-weight: 500;
  transition: all 0.3s ease;
  padding: 0.5rem 0;
}

.footer-link:hover {
  color: var(--accent);
  transform: translateX(4px);
}

.footer-expertise,
.footer-certifications {
  color: white;
}

.footer-expertise h4,
.footer-certifications h4 {
  color: white;
  margin-bottom: var(--space-lg);
  font-size: 1.1rem;
  font-weight: 700;
  border-bottom: 2px solid var(--accent);
  padding-bottom: var(--space-sm);
}

.footer-expertise ul,
.footer-certifications ul {
  list-style: none;
  padding: 0;
}

.footer-expertise li,
.footer-certifications li {
  padding: 0.5rem 0;
  color: rgba(255, 255, 255, 0.8);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.9rem;
  position: relative;
  padding-left: 1rem;
}

.footer-expertise li:before,
.footer-certifications li:before {
  content: "▸";
  color: var(--accent);
  font-weight: bold;
  position: absolute;
  left: 0;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  padding-top: var(--space-xl);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-lg);
  align-items: center;
}

.footer-legal {
  display: flex;
  gap: var(--space-lg);
}

.legal-link {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color 0.3s ease;
}

.legal-link:hover {
  color: var(--accent);
}

.footer-location {
  grid-column: span 2;
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.875rem;
  margin-top: var(--space-sm);
}

/* Footer Mobile Responsive */
@media (max-width: 768px) {
  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }
  
  .footer-main {
    grid-column: span 1;
  }
  
  .footer-bottom {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--space-sm);
  }
  
  .footer-legal {
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--space-md);
  }
  
  .footer-location {
    grid-column: span 1;
  }
  
  .senior-badge {
    display: block;
    margin: var(--space-sm) 0;
    text-align: center;
  }
}

/* ===== FORM NOTIFICATIONS ===== */
.success-message {
  position: fixed;
  top: 20px;
  right: 20px;
  background: var(--success);
  color: white;
  padding: 1rem 1.5rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  z-index: 9999;
  font-weight: 600;
}

.error-message {
  color: var(--error);
  font-size: 0.875rem;
  margin-top: 0.25rem;
}

/* ===== ANIMATIONS FOR NOTIFICATIONS ===== */
@keyframes slideInRight {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes slideOutRight {
  from {
    transform: translateX(0);
    opacity: 1;
  }
  to {
    transform: translateX(100%);
    opacity: 0;
  }
}

/* ===== FORM VALIDATION STYLES ===== */
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-10px); }
  40%, 80% { transform: translateX(10px); }
}

.error-message {
  animation: shake 0.3s ease-in-out;
}

/* Form field error state */
.form-group input.error,
.form-group textarea.error {
  border-color: var(--error) !important;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

/* Success state for form submission */
.form-success {
  border-color: var(--success) !important;
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

/* Loading button animation */
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.btn svg {
  transition: transform 0.2s ease;
}

.btn:disabled svg {
  animation: spin 1s linear infinite;
}

/* Notification styles backup (in case inline styles don't work) */
.notification {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 9999;
  max-width: 400px;
  background: var(--success);
  color: white;
  padding: 1rem 1.5rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  transform: translateX(100%);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.notification.show {
  transform: translateX(0);
}

.notification-error {
  background: var(--error);
}

.notification-warning {
  background: var(--warning);
}

.notification-info {
  background: var(--secondary);
}

/* ===== ENHANCED CONTACT FORM ===== */
.contact-form .form-group {
  position: relative;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--secondary);
  box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1);
  outline: none;
}

.contact-form .btn[disabled] {
  opacity: 0.7;
  cursor: not-allowed;
}

.contact-form .btn[disabled]:hover {
  transform: none;
  box-shadow: none;
}

/* Professional success indicators */
.form-success-indicator {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--success);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.form-group.success .form-success-indicator {
  opacity: 1;
}

/* Professional loading state */
.btn-loading {
  position: relative;
  color: transparent !important;
}

.btn-loading::after {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  top: 50%;
  left: 50%;
  margin: -8px 0 0 -8px;
  border: 2px solid #ffffff;
  border-radius: 50%;
  border-top-color: transparent;
  animation: spin 0.8s linear infinite;
}

/* ===== PROJECT CARD ANIMATIONS ===== */
@keyframes shimmer {
  0% { 
    transform: translateX(-100%);
    opacity: 0;
  }
  50% {
    opacity: 1;
  }
  100% { 
    transform: translateX(100%);
    opacity: 0;
  }
}

/* ===== PROJECT IMAGE ZOOM EFFECT ===== */
.proyecto-image img {
  transition: transform 0.4s ease;
}

.proyecto:hover .proyecto-image img {
  transform: scale(1.05);
}

/* ===== ENHANCED PROJECT OVERLAY ===== */
.proyecto-overlay {
  background: linear-gradient(135deg, rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.9));
  backdrop-filter: blur(4px);
}

.proyecto-overlay::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at center, rgba(59, 130, 246, 0.2), transparent 70%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.proyecto:hover .proyecto-overlay::before {
  opacity: 1;
}

/* WhatsApp integration success state */
.whatsapp-success {
  background: #25d366 !important;
  border-color: #25d366 !important;
}

.whatsapp-success:hover {
  background: #128c7e !important;
  border-color: #128c7e !important;
}

/* ===== RESPONSIVE DESIGN COMPLETO ===== */

/* Utility classes for responsive design */
.mobile-hidden {
  display: block;
}

.mobile-only {
  display: none;
}

@media (max-width: 768px) {
  .mobile-hidden {
    display: none;
  }
  
  .mobile-only {
    display: block;
  }
}

/* Extra Large Screens */
@media (min-width: 1200px) {
  .container {
    max-width: 1200px;
  }
  
  .hero-title {
    font-size: 4rem;
    line-height: 1.1;
  }
  
  .portfolio-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
  }
  
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Large Screens - Laptops */
@media (max-width: 1199px) and (min-width: 992px) {
  .container {
    max-width: 960px;
    padding: 0 2rem;
  }
  
  .portfolio-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }
  
  .hero-content {
    max-width: 90%;
  }
  
  .pricing-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
  }
}

/* Medium Screens - Tablets */
@media (max-width: 991px) and (min-width: 769px) {
  .container {
    max-width: 720px;
    padding: 0 1.5rem;
  }
  
  .hero-wrapper {
    flex-direction: column;
    text-align: center;
    gap: 3rem;
  }
  
  .hero-visual {
    order: -1;
    max-width: 400px;
    margin: 0 auto;
  }
  
  .portfolio-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
    max-width: 600px;
    margin: 0 auto;
  }
  
  .proyecto {
    max-width: 100%;
  }
  
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }
  
  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }
  
  .plan:last-child {
    grid-column: 1 / -1;
    max-width: 400px;
    margin: 0 auto;
  }
  
  .contact-wrapper {
    flex-direction: column;
    gap: 2rem;
  }
  
  .contact-info {
    order: 2;
  }
  
  .contact-form-wrapper {
    order: 1;
  }
}

/* Small Screens - Mobile Landscape */
@media (max-width: 768px) {
  /* Optimización de performance para móviles */
  * {
    -webkit-tap-highlight-color: transparent;
  }
  
  .container {
    padding: 0 1rem;
  }
  
  /* Navigation */
  .navbar {
    padding: 1rem 0;
  }
  
  .nav-container {
    padding: 0 1rem;
  }
  
  .nav-menu {
    position: fixed;
    left: -100%;
    top: 70px;
    flex-direction: column;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    width: 100%;
    text-align: center;
    transition: 0.3s;
    box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
    border-top: 1px solid var(--gray-200);
    padding: 2rem 0;
  }
  
  .nav-menu.active {
    left: 0;
  }
  
  .nav-menu li {
    margin: 1rem 0;
  }
  
  .hamburger {
    display: block;
    cursor: pointer;
  }
  
  .hamburger.active .bar:nth-child(2) {
    opacity: 0;
  }
  
  .hamburger.active .bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }
  
  .hamburger.active .bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }
  
  /* Hero Section */
  .hero {
    padding: 2rem 0;
    min-height: auto;
  }
  
  .hero-title {
    font-size: 2.5rem;
    line-height: 1.2;
    margin-bottom: 1rem;
  }
  
  .hero-description {
    font-size: 1.1rem;
    margin-bottom: 2rem;
  }
  
  .hero-cta {
    flex-direction: column;
    gap: 1rem;
    align-items: stretch;
  }
  
  /* Buttons and interactive elements */
  .btn,
  button,
  .contact-method,
  .proyecto {
    min-height: 44px; /* Apple's recommended touch target size */
    touch-action: manipulation;
  }
  
  .btn {
    padding: 1rem 2rem;
    font-size: 1rem;
    width: 100%;
    justify-content: center;
  }
  
  .hero-stats {
    grid-template-columns: 1fr;
    gap: 1rem;
    margin-top: 2rem;
  }
  
  .stat {
    text-align: center;
    padding: 1rem;
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  }
  
  /* Sections */
  section {
    padding: 3rem 0;
  }
  
  .section-header h2 {
    font-size: 2rem;
    line-height: 1.2;
  }
  
  .section-description {
    font-size: 1rem;
  }
  
  /* Services Grid */
  .services-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .service-card {
    padding: 2rem 1.5rem;
  }
  
  /* Portfolio Grid */
  .portfolio-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .proyecto-image {
    height: 200px;
  }
  
  .demo-placeholder {
    padding: 1rem;
  }
  
  .demo-placeholder svg {
    width: 32px;
    height: 32px;
  }
  
  .demo-placeholder span {
    font-size: 0.9rem;
  }
  
  .proyecto-content {
    padding: 1.5rem;
  }
  
  .proyecto-tags {
    gap: 0.5rem;
    margin-bottom: 1rem;
  }
  
  .tag {
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
  }
  
  /* Process Timeline */
  .process-timeline {
    padding-left: 0;
  }
  
  .timeline-item {
    flex-direction: column;
    text-align: center;
    margin-bottom: 2rem;
  }
  
  .timeline-item::before {
    display: none;
  }
  
  .timeline-icon {
    position: relative;
    margin-bottom: 1rem;
  }
  
  .timeline-content {
    margin-left: 0;
    padding-left: 0;
  }
  
  /* Pricing */
  .pricing-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    max-width: 400px;
    margin: 0 auto;
  }
  
  .plan {
    padding: 2rem 1.5rem;
  }
  
  .plan-price {
    margin: 1rem 0;
  }
  
  /* Contact */
  .contact-wrapper {
    flex-direction: column;
    gap: 2rem;
  }
  
  .contact-methods {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  
  .contact-method {
    padding: 1rem;
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  }
  
  .contact-form {
    padding: 0;
  }
  
  .form-group {
    margin-bottom: 1.5rem;
  }
  
  textarea {
    min-height: 120px;
  }
  
  /* Footer */
  .footer-content {
    grid-template-columns: 1fr;
    gap: 2rem;
    text-align: center;
  }
  
  .footer-links {
    justify-content: center;
  }
  
  .footer-bottom-content {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
  
  .admin-btn {
    align-self: center;
    padding: 0.5rem 0.75rem;
    font-size: 0.7rem;
    opacity: 0.2;
  }
}

/* Extra Small Screens - Mobile Portrait */
@media (max-width: 480px) {
  .container {
    padding: 0 0.75rem;
  }
  
  /* Hero */
  .hero-title {
    font-size: 2rem;
    line-height: 1.2;
  }
  
  .hero-description {
    font-size: 1rem;
  }
  
  .btn {
    padding: 0.875rem 1.5rem;
    font-size: 0.875rem;
  }
  
  /* Sections */
  section {
    padding: 2rem 0;
  }
  
  .section-header h2 {
    font-size: 1.75rem;
  }
  
  .section-badge {
    font-size: 0.75rem;
    padding: 0.375rem 0.75rem;
  }
  
  /* Portfolio */
  .proyecto-image {
    height: 180px;
  }
  
  .demo-placeholder svg {
    width: 28px;
    height: 28px;
  }
  
  .demo-placeholder span {
    font-size: 0.8rem;
  }
  
  .proyecto-content {
    padding: 1rem;
  }
  
  .proyecto h3 {
    font-size: 1.1rem;
  }
  
  .proyecto p {
    font-size: 0.875rem;
  }
  
  /* Services */
  .service-card {
    padding: 1.5rem 1rem;
  }
  
  .service-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
  }
  
  .service-icon {
    width: 2.5rem;
    height: 2.5rem;
  }
  
  .service-card h3 {
    font-size: 1.1rem;
  }
  
  /* Process */
  .timeline-content h3 {
    font-size: 1.1rem;
  }
  
  /* Pricing */
  .plan {
    padding: 1.5rem 1rem;
  }
  
  .amount {
    font-size: 2rem;
  }
  
  /* Contact */
  .contact-method {
    padding: 0.75rem;
  }
  
  .method-content h3 {
    font-size: 1rem;
  }
  
  .contact-form {
    padding: 0;
  }
  
  /* Footer */
  .footer-main {
    padding: 1.5rem 0;
  }
  
  .footer-description {
    font-size: 0.875rem;
  }
  
  .footer-links {
    gap: 1rem;
  }
  
  .footer-link {
    font-size: 0.875rem;
  }
}

/* Extra Small Screens - Very Small Mobile */
@media (max-width: 320px) {
  .hero-title {
    font-size: 1.75rem;
  }
  
  .section-header h2 {
    font-size: 1.5rem;
  }
  
  .proyecto-image {
    height: 150px;
  }
  
  .btn {
    padding: 0.75rem 1rem;
    font-size: 0.8rem;
  }
  
  .plan {
    padding: 1rem 0.75rem;
  }
  
  .amount {
    font-size: 1.75rem;
  }
}

/* Landscape Orientation */
@media (max-height: 500px) and (orientation: landscape) {
  .hero {
    padding: 1rem 0;
    min-height: auto;
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-stats {
    grid-template-columns: repeat(3, 1fr);
  }
  
  section {
    padding: 2rem 0;
  }
}

/* High DPI Screens */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
  .floating-cards .card {
    transform: scale(0.95);
  }
  
  .proyecto-overlay {
    backdrop-filter: blur(8px);
  }
}

/* Print Styles */
@media print {
  .navbar,
  .admin-btn,
  .floating-cards,
  .proyecto-overlay {
    display: none;
  }
  
  .hero-visual {
    display: none;
  }
  
  section {
    break-inside: avoid;
    padding: 1rem 0;
  }
  
  .proyecto {
    break-inside: avoid;
    box-shadow: none;
    border: 1px solid #ddd;
  }
}

/* Touch-friendly enhancements */
.touch-active {
  transform: translateY(-5px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

/* Loading states */
img.loaded {
  opacity: 1;
  transition: opacity 0.3s ease;
}

img:not(.loaded) {
  opacity: 0;
}

/* Accessibility improvements */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  .floating-cards .card {
    animation: none;
  }
  
  .typing-animation::after {
    animation: none;
  }
}

/* Focus states for better accessibility */
.nav-link:focus,
.btn:focus,
button:focus,
input:focus,
textarea:focus {
  outline: 2px solid var(--primary-500);
  outline-offset: 2px;
}

/* Skip to main content link */
.skip-link {
  position: absolute;
  top: -40px;
  left: 6px;
  background: var(--primary-500);
  color: white;
  padding: 8px;
  text-decoration: none;
  border-radius: 4px;
  z-index: 1000;
}

.skip-link:focus {
  top: 6px;
}

/* ===== DASHBOARD RESPONSIVE STYLES ===== */
/* Dashboard Mobile Responsive */
@media (max-width: 768px) {
  #admin-panel .dashboard-header {
    padding: 1rem !important;
    flex-direction: column !important;
    gap: 1rem !important;
  }
  
  #admin-panel .dashboard-header > div:first-child {
    width: 100% !important;
    justify-content: center !important;
  }
  
  #admin-panel .dashboard-header > div:last-child {
    width: 100% !important;
    justify-content: center !important;
    flex-wrap: wrap !important;
  }
  
  #admin-panel .dashboard-sidebar {
    position: fixed !important;
    top: 140px !important;
    left: -280px !important;
    width: 280px !important;
    height: calc(100vh - 140px) !important;
    transition: left 0.3s ease !important;
    z-index: 1000 !important;
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.3) !important;
  }
  
  #admin-panel .dashboard-sidebar.open {
    left: 0 !important;
  }
  
  #admin-panel .dashboard-content {
    margin-left: 0 !important;
    width: 100% !important;
    padding: 1rem !important;
  }
  
  #admin-panel .stat-card {
    min-width: auto !important;
    margin-bottom: 1rem !important;
  }
  
  #admin-panel .stats-grid {
    grid-template-columns: 1fr !important;
    gap: 1rem !important;
  }
  
  #admin-panel .chart-container {
    height: 250px !important;
  }
  
  #admin-panel .data-table {
    overflow-x: auto !important;
  }
  
  #admin-panel .data-table table {
    min-width: 600px !important;
  }
}

@media (max-width: 480px) {
  #admin-panel .dashboard-header h1 {
    font-size: 1.25rem !important;
  }
  
  #admin-panel .dashboard-header p {
    font-size: 0.75rem !important;
  }
  
  #admin-panel .dashboard-content {
    padding: 0.5rem !important;
  }
  
  #admin-panel .stat-card {
    padding: 1rem !important;
  }
  
  #admin-panel .stat-card h3 {
    font-size: 1.5rem !important;
  }
  
  #admin-panel .chart-container {
    height: 200px !important;
  }
}

/* ===== FORZAR LAYOUT VERTICAL SERVICIOS ===== */
/* Este estilo tiene prioridad máxima y sobrescribe todo lo anterior */
.vertical-layout .vertical-header {
  display: flex !important;
  flex-direction: column !important;
  align-items: center !important;
  justify-content: center !important;
  text-align: center !important;
  width: 100% !important;
  gap: 1rem !important;
  margin-bottom: 1.5rem !important;
}

.vertical-layout .service-icon {
  width: 3rem !important;
  height: 3rem !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  background: linear-gradient(135deg, var(--secondary), var(--accent)) !important;
  color: white !important;
  border-radius: var(--radius-lg) !important;
  margin: 0 auto !important;
  flex-shrink: 0 !important;
}

.vertical-layout h3 {
  margin: 0 !important;
  color: var(--gray-900) !important;
  font-size: 1.25rem !important;
  line-height: 1.3 !important;
  text-align: center !important;
  width: 100% !important;
}

.vertical-layout p {
  text-align: left !important;
  margin-top: 1rem !important;
}

/* Media queries específicas para el layout vertical */
@media (max-width: 768px) {
  .vertical-layout .vertical-header {
    gap: 0.75rem !important;
    margin-bottom: 1rem !important;
  }
  
  .vertical-layout .service-icon {
    width: 2.5rem !important;
    height: 2.5rem !important;
  }
  
  .vertical-layout h3 {
    font-size: 1.1rem !important;
  }
}

@media (max-width: 480px) {
  .vertical-layout .vertical-header {
    gap: 0.5rem !important;
    margin-bottom: 1rem !important;
  }
  
  .vertical-layout .service-icon {
    width: 2.25rem !important;
    height: 2.25rem !important;
  }
  
  .vertical-layout h3 {
    font-size: 1rem !important;
  }
}