:root {
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f1f5f9;
  --text-main: #0f172a;
  --text-muted: #475569;
  --primary: #0369a1;
  --primary-rgb: 3, 105, 161;
  --accent: #6d28d9;
  --accent-rgb: 109, 40, 217;
  --border: rgba(15, 23, 42, 0.08);
  --border-focus: rgba(3, 105, 161, 0.4);
  --shadow: 0 10px 30px -10px rgba(15, 23, 42, 0.08), 0 1px 3px rgba(15, 23, 42, 0.03);
  --shadow-lg: 0 20px 40px -15px rgba(15, 23, 42, 0.12);
  --shadow-glow: 0 0 25px rgba(3, 105, 161, 0.12);
  --radius-lg: 16px;
  --radius-xl: 24px;
  --font-display: 'Outfit', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --transition-spring: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

/* Accesibilidad de Enfoque Teclado Premium */
:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 4px;
  box-shadow: 0 0 15px rgba(34, 211, 238, 0.4);
}

:focus:not(:focus-visible) {
  outline: none;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  scroll-behavior: smooth;
}

h1, h2, h3, h4, h5, h6, .logo, .main-nav a, .btn {
  font-family: var(--font-display);
}

section {
  scroll-margin-top: 30px;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Header */
.site-header {
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
}

.nav-wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
}

.logo {
  font-weight: 800;
  font-size: 1.5rem;
  text-decoration: none;
  color: var(--text-main);
}

.logo-x { color: var(--primary); }

.logo-link {
  text-decoration: none;
  display: inline-flex;
  align-items: center;
}

.site-logo {
  height: 2.2rem;
  width: auto;
  display: block;
}

.main-nav a {
  margin: 0 0.5rem;
  padding: 0.6rem 1rem;
  text-decoration: none;
  color: var(--text-muted);
  font-weight: 600;
  transition: color 0.3s, background-color 0.3s;
  border-radius: 50px;
  display: inline-block;
}

.main-nav a:hover {
  color: var(--primary);
  background-color: rgba(3, 105, 161, 0.06);
}
.main-nav {
  display: flex;
  align-items: center;
}

/* Hero */
.hero {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 4rem;
  padding: 6rem 2rem;
  align-items: center;
}

.hero-copy {
  display: grid;
  gap: 1.5rem;
}

.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
}

.eyebrow {
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 700;
  font-size: 0.85rem;
  margin-bottom: 1rem;
}

h1 {
  font-size: 3.5rem;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  font-weight: 800;
}

.subtitle {
  font-size: 1.25rem;
  color: var(--text-muted);
  margin-bottom: 0;
}

.hero-cta-row {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1.25rem;
  margin-top: 1.5rem;
}

.trust-note {
  color: var(--text-muted);
  font-weight: 500;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.btn-sm {
  padding: 0.6rem 1.25rem;
  font-size: 0.875rem;
}

.btn {
  display: inline-block;
  padding: 1rem 2rem;
  background: var(--primary);
  color: #ffffff;
  text-decoration: none;
  border-radius: 8px;
  font-weight: 700;
  border: none;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn:hover {
  background: #0284c7;
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.btn-hero {
  padding: 1.1rem 2.2rem;
  font-size: 1.1rem;
  border-radius: 50px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  box-shadow: var(--shadow-glow);
  border: none;
  font-weight: 700;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  color: #ffffff;
  text-align: center;
  text-decoration: none;
}

.btn-hero:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(3, 105, 161, 0.25);
  background: linear-gradient(135deg, #0284c7, #5b21b6);
}


.services,
.portfolio,
.contact {
  padding: clamp(4rem, 8vw, 6rem) 2rem clamp(3rem, 6vw, 4rem);
}

.section-head {
  display: grid;
  gap: 0.75rem;
  max-width: 720px;
  margin-bottom: 3rem;
}

.section-head h2,
.contact-content h2 {
  font-size: clamp(2rem, 4vw, 2.75rem);
  line-height: 1.15;
}

.hero-image-container {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow);
  background-color: var(--bg-secondary); /* Placeholder mientras carga */
  width: 100%;
  aspect-ratio: 16 / 10; /* Reserva el espacio vertical */
}

.hero-img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  transition: transform 0.5s;
}

.floating-badge {
  position: absolute;
  bottom: 20px;
  left: 20px;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--border);
  padding: 0.75rem 1.25rem;
  border-radius: 50px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  color: var(--text-main);
  box-shadow: var(--shadow);
}

.pulse {
  width: 10px;
  height: 10px;
  background: #10b981;
  border-radius: 50%;
  animation: blink 2s infinite;
}

/* Service Cards */
.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.service-card {
  padding: 2.5rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: var(--transition-spring);
  display: grid;
  gap: 1rem;
}

.service-card:hover {
  background: var(--bg-tertiary);
  box-shadow: var(--shadow-glow);
  border-color: var(--primary);
  transform: translateY(-5px);
}

.icon-wrap {
  width: 4rem;
  height: 4rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  box-shadow: 0 4px 10px rgba(15, 23, 42, 0.03);
  overflow: hidden;
  margin-bottom: 0.5rem;
}

.icon-wrap img {
  width: 2.8rem;
  height: 2.8rem;
  object-fit: contain;
}

.service-card p,
.contact-content p,
.case-card-header span {
  color: var(--text-muted);
}

/* Mobile Menu Base Styles */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  z-index: 1000;
}

.menu-toggle .bar {
  display: block;
  width: 25px;
  height: 2px;
  margin: 5px auto;
  background-color: var(--text-main);
  transition: 0.3s ease;
}

/* Footer Improvements */
.site-footer {
  background-color: var(--bg-secondary);
  border-top: 1px solid transparent;
  padding: 5rem 0 2rem;
  margin-top: 5rem;
  position: relative;
}

.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 10%;
  right: 10%;
  height: 1px;
  background: linear-gradient(to right, transparent, rgba(15, 23, 42, 0.08), transparent);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 4rem;
  margin-bottom: 4rem;
}

.footer-brand .footer-desc {
  margin: 1.5rem 0;
  color: var(--text-muted);
  max-width: 320px;
}

.site-footer h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: var(--text-main);
}

.footer-nav ul { list-style: none; }
.footer-nav ul li { margin-bottom: 0.85rem; }
.footer-nav ul li a {
  position: relative;
  text-decoration: none;
  color: var(--text-muted);
  transition: color 0.3s ease;
  display: inline-block;
  padding: 2px 0;
}

.footer-nav ul li a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 1.5px;
  background: var(--primary);
  transition: width 0.4s cubic-bezier(0.16, 1, 0.3, 1), left 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: none;
}

.footer-nav ul li a:hover {
  color: var(--text-main);
}

.footer-nav ul li a:hover::after {
  width: 100%;
  left: 0;
}

.footer-contact-info p { color: var(--text-muted); margin-bottom: 0.85rem; }
.footer-contact-info a { color: var(--primary); text-decoration: none; font-weight: 500; }

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  text-align: center;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.show-mobile { display: none; }
.hide-mobile { display: inline-block; }

/* Mobile menu animation */
.menu-toggle.active .bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.active .bar:nth-child(2) { opacity: 0; }
.menu-toggle.active .bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

body.no-scroll { overflow: hidden; }

/* Contact Section */
.contact-panel {
  background-color: var(--bg-secondary);
  padding: 4rem;
  border-radius: 24px;
  border: 1px solid var(--border);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.contact-content {
  display: grid;
  gap: 1rem;
  align-content: start;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.floating-label-group {
  position: relative;
  margin-bottom: 1.5rem;
}

.floating-label-group input,
.floating-label-group textarea {
  width: 100%;
  padding: 1.35rem 1.1rem 0.55rem;
  background: rgba(15, 23, 42, 0.02);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  color: var(--text-main);
  font-family: inherit;
  font-size: 1rem;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.floating-label-group label {
  position: absolute;
  left: 1.1rem;
  top: 1rem;
  color: var(--text-muted);
  pointer-events: none;
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 500;
}

.floating-label-group input:focus ~ label,
.floating-label-group input:not(:placeholder-shown) ~ label,
.floating-label-group textarea:focus ~ label,
.floating-label-group textarea:not(:placeholder-shown) ~ label {
  top: 0.35rem;
  left: 1.1rem;
  font-size: 0.72rem;
  color: var(--primary);
  font-weight: 700;
}

.floating-label-group input:focus,
.floating-label-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  background: #ffffff;
  box-shadow: 0 0 0 3px rgba(3, 105, 161, 0.1);
}

/* Botón Premium con Borde de Gradiente Animado $10K */
.btn-gradient-border {
  position: relative;
  background: var(--bg-primary) !important;
  color: var(--text-main) !important;
  border: none !important;
  z-index: 1;
  overflow: hidden;
  border-radius: 50px;
  cursor: pointer;
  box-shadow: none;
}

.btn-gradient-border::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1.5px;
  background: linear-gradient(90deg, var(--primary), var(--accent), var(--primary));
  background-size: 200% auto;
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  animation: borderRotate 4s linear infinite;
  z-index: -1;
  transition: opacity 0.3s ease;
}

.btn-gradient-border::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(var(--primary-rgb), 0.05), rgba(var(--accent-rgb), 0.05));
  z-index: -2;
  transition: background-color 0.3s ease;
}

.btn-gradient-border:hover::after {
  background: linear-gradient(135deg, rgba(var(--primary-rgb), 0.12), rgba(var(--accent-rgb), 0.12));
}

.btn-gradient-border:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(34, 211, 238, 0.12);
}

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

.btn-block {
  width: 100%;
  border: none;
  cursor: pointer;
}

.form-status {
  font-size: 0.875rem;
  text-align: center;
  margin-top: 0.5rem;
  min-height: 1.25rem;
}

.form-status.success { color: #10b981; }
.form-status.error { color: #ef4444; }
/* Portfolio */
.portfolio-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.case-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-secondary);
  display: grid;
}

.case-card-header {
  display: grid;
  gap: 0.35rem;
  padding: 1.5rem 1.5rem 1rem;
}

.case-link-wrapper {
  margin-top: 0.75rem;
}

.case-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  font-weight: 750;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: color 0.3s ease;
}

.case-link svg {
  width: 0.95rem;
  height: 0.95rem;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.case-card:hover .case-link svg {
  transform: translateX(4px);
}

.case-image {
  overflow: hidden;
  border-top: 1px solid var(--border);
  aspect-ratio: 1.2 / 1;
  width: 100%;
}

.case-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.case-card:hover .case-image img {
  transform: scale(1.045);
}

.img-fallback {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 250px;
  padding: 2rem;
  color: var(--text-main);
  text-align: center;
  font-weight: 600;
  background:
    radial-gradient(circle at top left, rgba(56, 189, 248, 0.2), transparent 45%),
    linear-gradient(135deg, #e0f2fe, #f8fafc);
}

@keyframes blink {
  0% { opacity: 1; }
  50% { opacity: 0.4; }
  100% { opacity: 1; }
}

@media (max-width: 968px) {
  .hero { grid-template-columns: 1fr; text-align: center; }
  h1 { font-size: 2.5rem; }
  .hero-cta-row { justify-content: center; }

  .menu-toggle { display: block; }
  .hide-mobile { display: none; }
  .show-mobile { display: block; width: 100%; text-align: center; margin-top: 1rem; }

  .main-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100vh;
    background: var(--bg-primary);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transition: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 999;
    padding: 2rem;
  }

  .main-nav.active { right: 0; }
  .main-nav a { margin: 1.5rem 0; font-size: 1.5rem; }

  .portfolio-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .contact-panel {
    grid-template-columns: 1fr;
    padding: 2rem;
    gap: 2rem;
    text-align: center;
  }
  .contact-form { text-align: left; }
}

/* --- NUEVOS ESTILOS PREMIUM E INTERACTIVOS --- */

/* Tarjetas Spotlight Premium $10K */
.spotlight-card {
  position: relative;
  background: var(--bg-secondary) !important;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border) !important;
  transition: border-color 0.4s ease, transform 0.5s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.4s ease;
  overflow: hidden;
  z-index: 1;
}

.spotlight-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(
    600px circle at var(--mouse-x, 0) var(--mouse-y, 0),
    rgba(3, 105, 161, 0.04),
    transparent 40%
  );
  opacity: 0;
  transition: opacity 0.5s ease;
  pointer-events: none;
  z-index: 1;
}

.spotlight-card::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: radial-gradient(
    250px circle at var(--mouse-x, 0) var(--mouse-y, 0),
    rgba(3, 105, 161, 0.25),
    rgba(109, 40, 217, 0.15) 70%
  );
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.5s ease;
  pointer-events: none;
  z-index: 2;
}

.spotlight-card > * {
  position: relative;
  z-index: 3;
}

.spotlight-card:hover {
  transform: translateY(-6px);
  border-color: transparent !important;
  box-shadow:
    0 20px 40px rgba(15, 23, 42, 0.08),
    0 0 30px rgba(3, 105, 161, 0.05);
}

.spotlight-card:hover::after,
.spotlight-card:hover::before {
  opacity: 1;
}

/* Scroll Reveal */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform, opacity;
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Background Pattern & Gradient Mesh with Noise */
.bg-pattern {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-image:
    radial-gradient(circle at 50% 50%, transparent 30%, var(--bg-primary) 100%),
    radial-gradient(var(--border) 1px, transparent 1px);
  background-size: 100% 100%, 24px 24px;
  opacity: 0.6;
  z-index: -1;
  pointer-events: none;
}

.bg-pattern::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image:
    radial-gradient(at 10% 20%, rgba(var(--primary-rgb), 0.08) 0px, transparent 45%),
    radial-gradient(at 90% 10%, rgba(var(--accent-rgb), 0.07) 0px, transparent 45%),
    radial-gradient(at 50% 85%, rgba(var(--primary-rgb), 0.05) 0px, transparent 45%);
  filter: url(#noise-filter);
  pointer-events: none;
  opacity: 0.8;
}

/* Simulator */
.simulator {
  padding: clamp(4rem, 8vw, 6rem) 2rem clamp(3rem, 6vw, 4rem);
}

.simulator-card {
  background: var(--bg-secondary);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 3rem;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  max-width: 1000px;
  margin: 0 auto;
}

.simulator-presets {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  padding: 4px;
  border-radius: 50px;
  margin: 0 auto;
  gap: 0;
  width: max-content;
}

.sliding-pill-indicator {
  position: absolute;
  top: 4px;
  bottom: 4px;
  left: 4px;
  background: var(--primary);
  border-radius: 50px;
  z-index: 1;
  box-shadow: var(--shadow-glow);
  transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.preset-btn {
  position: relative;
  background: none !important;
  border: none !important;
  padding: 0.85rem 1.75rem;
  border-radius: 50px;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 750;
  color: var(--text-muted);
  cursor: pointer;
  z-index: 2;
  transition: color 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: none;
}

.preset-btn:hover {
  color: var(--text-main);
  transform: none;
}

.preset-btn.active {
  background: none;
  border-color: transparent;
  color: #ffffff !important;
  box-shadow: none;
}

.simulator-input-group {
  display: flex;
  gap: 1rem;
  max-width: 800px;
  margin: 0 auto;
  width: 100%;
}

#simulator-custom-input {
  flex: 1;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  color: var(--text-main);
  padding: 1rem 1.5rem;
  border-radius: var(--radius-lg);
  font-family: inherit;
  font-size: 1rem;
  transition: all 0.3s ease;
  box-shadow: inset 0 2px 4px rgba(0,0,0,0.1);
}

#simulator-custom-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.15);
}

.simulator-flow {
  display: flex;
  align-items: stretch;
  justify-content: space-between;
  gap: clamp(0.75rem, 2vw, 1.5rem);
  margin-top: 1rem;
  position: relative;
  min-height: 180px;
}

.flow-step {
  flex: 1;
  min-width: 0;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem 1.25rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1rem;
  box-shadow: var(--shadow);
  position: relative;
  transition: var(--transition-spring);
  opacity: 0;
  transform: scale(0.9);
}

.flow-step.active {
  opacity: 1;
  transform: scale(1);
  border-color: var(--primary);
  box-shadow: var(--shadow-glow);
}

.flow-step.step-ai {
  border-color: rgba(168, 85, 247, 0.2);
}

.flow-step.step-ai.active {
  border-color: var(--accent);
  box-shadow: 0 0 25px rgba(168, 85, 247, 0.15);
}

.step-icon {
  background: var(--bg-secondary);
  width: 3rem;
  height: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  flex-shrink: 0;
  transition: background-color 0.3s ease;
  margin-bottom: 0.25rem;
}

.step-icon svg {
  width: clamp(1.25rem, 2vw, 1.5rem);
  height: clamp(1.25rem, 2vw, 1.5rem);
  display: block;
}

.flow-step.active .step-icon {
  background: rgba(34, 211, 238, 0.08);
}

.flow-step.step-ai.active .step-icon {
  background: rgba(168, 85, 247, 0.08);
}

.step-content {
  min-width: 0;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.step-content h4 {
  font-size: clamp(0.95rem, 1.5vw, 1.1rem);
  font-weight: 700;
  color: var(--text-main);
}

.step-content p {
  font-size: clamp(0.8rem, 1.2vw, 0.875rem);
  color: var(--text-muted);
  line-height: 1.45;
}

.flow-line {
  position: relative;
  flex: 0 1 auto;
  width: clamp(1rem, 5vw, 3.5rem);
  height: 2px;
  background: rgba(15, 23, 42, 0.08);
  flex-shrink: 1;
  overflow: hidden;
  align-self: center;
  border-radius: 2px;
}

.flow-dot {
  position: absolute;
  top: 0;
  left: -24px;
  width: 24px;
  height: 100%;
  background: linear-gradient(to right, transparent, var(--primary));
  filter: drop-shadow(0 0 5px var(--primary));
  animation: flowAnim 2.2s infinite cubic-bezier(0.4, 0, 0.2, 1);
}

.flow-step.step-ai + .flow-line .flow-dot {
  background: linear-gradient(to right, transparent, var(--accent));
  filter: drop-shadow(0 0 5px var(--accent));
}

@keyframes flowAnim {
  0% { left: -24px; }
  100% { left: 100%; }
}

/* FAQ Accordion */
.faq {
  padding: clamp(4rem, 8vw, 6rem) 2rem clamp(3rem, 6vw, 4rem);
}

.faq-accordion {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: var(--shadow);
}

.faq-item:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-glow);
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  padding: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  text-align: left;
  font-family: inherit;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-main);
  cursor: pointer;
  transition: color 0.3s;
}

.faq-question:focus {
  outline: none;
}

.faq-icon {
  width: 1.1rem;
  height: 1.1rem;
  color: var(--text-muted);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), color 0.3s ease;
  flex-shrink: 0;
}

.faq-icon .line-h,
.faq-icon .line-v {
  transform-origin: center;
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.3s ease;
}

.faq-question:hover .faq-icon {
  color: var(--primary);
}

.faq-question[aria-expanded="true"] .faq-icon {
  transform: rotate(180deg);
  color: var(--primary);
}

.faq-question[aria-expanded="true"] .faq-icon .line-v {
  transform: rotate(90deg);
  opacity: 0;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.faq-answer-content {
  padding: 0 1.5rem 1.5rem;
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.6;
}

/* Extra media queries for new elements */
@media (max-width: 768px) {
  .simulator-flow {
    flex-direction: column;
    gap: 1rem;
    align-items: stretch;
    min-height: auto;
  }
  .flow-line {
    width: 2px;
    height: 2.5rem;
    margin: 0 auto;
    flex: none;
    max-width: none;
  }
  .flow-dot {
    top: -10px;
    left: 0;
    width: 2px;
    height: 10px;
    animation: flowAnimVert 1.8s infinite linear;
  }
  @keyframes flowAnimVert {
    0% { top: -10px; }
    100% { top: 100%; }
  }
  .simulator-input-group {
    flex-direction: column;
  }
  .simulator-card {
    padding: 1.5rem;
  }
}

/* Stacked Sticky Scroll Hero */
.hero-scroll-story {
  position: relative;
  height: 300vh; /* 3 secciones = 300vh */
  background: var(--bg-primary);
}

.story-section {
  position: sticky;
  top: 0;
  height: 100vh;
  width: 100%;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.story-section.bg-light-1 {
  background-color: var(--bg-primary);
  z-index: 1;
}

.story-section.bg-light-2 {
  background-color: var(--bg-secondary);
  color: var(--text-main);
  z-index: 2;
  box-shadow: 0 -30px 60px rgba(15, 23, 42, 0.06);
}

.story-section.bg-light-2.rounded-top {
  border-top: 1px solid var(--border);
}

.story-section.bg-light-2 .story-title,
.story-section.bg-light-2 h1 {
  color: var(--text-main) !important;
}

.story-section.bg-light-2 .subtitle {
  color: var(--text-muted) !important;
}

.story-section.bg-light-2 .eyebrow {
  color: var(--primary) !important;
}

.story-section.bg-light-2 .trust-note {
  color: var(--text-muted) !important;
}

.story-section.bg-light-2 .story-grid-bg {
  background-image:
    linear-gradient(to right, rgba(15, 23, 42, 0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(15, 23, 42, 0.04) 1px, transparent 1px);
  opacity: 0.6;
}

.story-section.bg-light-2 .story-image-frame {
  border: 4px solid #ffffff;
  box-shadow: var(--shadow-lg);
  background: var(--bg-tertiary);
}

.story-section.rounded-top {
  border-top-left-radius: clamp(1.5rem, 4vw, 3rem);
  border-top-right-radius: clamp(1.5rem, 4vw, 3rem);
  border-top: 1px solid var(--border);
}

.story-section.bg-light-3 {
  background-color: var(--bg-primary);
  z-index: 3;
  box-shadow: 0 -30px 60px rgba(15, 23, 42, 0.08);
  border-top-left-radius: clamp(1.5rem, 4vw, 3rem);
  border-top-right-radius: clamp(1.5rem, 4vw, 3rem);
  border-top: 1px solid var(--border);
}

.story-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(15, 23, 42, 0.02) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(15, 23, 42, 0.02) 1px, transparent 1px);
  background-size: 54px 54px;
  mask-image: radial-gradient(ellipse 60% 50% at 50% 50%, #000 70%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 60% 50% at 50% 50%, #000 70%, transparent 100%);
  pointer-events: none;
  opacity: 0.8;
}

.story-content {
  position: relative;
  text-align: center;
  max-width: 900px;
  padding: 0 2rem;
  z-index: 5;
}

.story-title {
  font-size: clamp(1.75rem, 4vw, 3.5rem);
  font-weight: 700;
  line-height: 1.25;
  color: var(--text-main);
  letter-spacing: -0.02em;
}

.story-title-gradient {
  background: linear-gradient(135deg, #0f172a 30%, #0369a1 70%, #6d28d9 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 800 !important;
  letter-spacing: -0.03em !important;
}

/* El Hero principal centrado en la sección 2 */
.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 4rem;
  align-items: center;
  width: 100%;
  z-index: 5;
}

.story-image-frame {
  position: relative;
  width: 100%;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
  transition: border-color 0.3s ease;
}

.story-image-frame img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.story-image-frame:hover img {
  transform: scale(1.025);
}

/* Responsivo para el Stacked Scroll Hero */
@media (max-width: 968px) {
  .hero-scroll-story {
    height: auto;
  }
  .story-section {
    position: relative;
    height: auto;
    min-height: 100vh;
    padding: 6rem 0 4rem;
  }
  .story-section.rounded-top,
  .story-section.bg-light-3 {
    border-radius: 0;
    border-top: none;
    box-shadow: none;
  }
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
}