/* ========================================
   AURA Academy - Diseño para subpáginas (cursos)
   Basado en el sistema principal, adaptado para uso independiente.
   ======================================== */

/* CSS Custom Properties */
:root {
  /* Colors */
  --bg-dark: #030712;
  --bg-primary: #0a0f1a;
  --bg-secondary: #111827;
  --bg-card: rgba(17, 24, 39, 0.7);
  --bg-glass: rgba(255, 255, 255, 0.03);
  
  --accent-cyan: #00f0ff;
  --accent-magenta: #cb6ce6;
  --accent-blue: #3b82f6;
  --accent-purple: #8b5cf6;
  
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-glow: rgba(0, 240, 255, 0.2);
  
  /* Shadows & Glows */
  --glow-cyan: 0 0 30px rgba(0, 240, 255, 0.3);
  --glow-magenta: 0 0 30px rgba(255, 0, 255, 0.3);
  --glow-soft: 0 4px 20px rgba(0, 0, 0, 0.5);
  
  /* Typography */
  --font-display: 'Orbitron', sans-serif;
  --font-body: 'Space Grotesk', sans-serif;
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  
  /* Border Radius */
  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 300ms ease;
  --transition-slow: 500ms ease;
}

/* Reset & Base */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
}

body {
  font-family: var(--font-body);
  background: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

/* Animated Background */
.bg-grid {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(rgba(0, 240, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 240, 255, 0.08) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 0;
  animation: gridMove 12s linear infinite;
}

@keyframes gridMove {
  0% { background-position: 0 0; }
  100% { background-position: 60px 60px; }
}

.bg-glow {
  position: fixed;
  border-radius: 50%;
  filter: blur(100px);
  pointer-events: none;
  z-index: 0;
  animation: floatGlow 18s ease-in-out infinite, hueRotate 16s linear infinite;
}

@keyframes floatGlow {
  0%, 100% { transform: translate(0, 0) scale(1); opacity: 0.5; }
  25% { transform: translate(40px, -40px) scale(1.2); opacity: 0.8; }
  50% { transform: translate(-30px, 30px) scale(0.9); opacity: 0.6; }
  75% { transform: translate(30px, 20px) scale(1.1); opacity: 0.7; }
}

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

.bg-glow-1 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0, 240, 255, 0.4) 0%, transparent 70%);
  top: -200px;
  right: -200px;
  animation-delay: -2s;
}

.bg-glow-2 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(255, 0, 255, 0.35) 0%, transparent 70%);
  bottom: 10%;
  left: -150px;
  animation-delay: -5s;
}

.bg-glow-3 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.35) 0%, transparent 70%);
  top: 50%;
  right: 10%;
  animation-delay: -8s;
}

/* Container */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
  position: relative;
  z-index: 1;
}

/* ========================================
   Header
   ======================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--space-md) 0;
  background: rgba(3, 7, 18, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  transition: var(--transition-base);
}

.header.scrolled {
  background: rgba(3, 7, 18, 0.95);
  box-shadow: var(--glow-soft);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-xl);
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  text-decoration: none;
  color: var(--text-primary);
}

.logo-icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-magenta));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  box-shadow: var(--glow-cyan);
}

.logo-text {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  background: linear-gradient(135deg, var(--text-primary), var(--accent-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Navigation */
.nav-desktop {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  padding: var(--space-sm) 0;
  position: relative;
  transition: var(--transition-base);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-cyan), var(--accent-magenta));
  transition: var(--transition-base);
}

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

.nav-link:hover::after {
  width: 100%;
}

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: var(--transition-base);
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
  color: var(--bg-dark);
  box-shadow: 0 4px 15px rgba(0, 240, 255, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 240, 255, 0.4);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
}

.btn-ghost:hover {
  color: var(--accent-cyan);
  border-color: var(--accent-cyan);
  background: rgba(0, 240, 255, 0.05);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-glow);
}

.btn-outline:hover {
  background: rgba(0, 240, 255, 0.1);
  border-color: var(--accent-cyan);
  box-shadow: var(--glow-cyan);
}

.btn-lg {
  padding: var(--space-md) var(--space-xl);
  font-size: 1rem;
}

.btn-full {
  width: 100%;
}

/* Mobile Toggle */
.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-sm);
  background: none;
  border: none;
  cursor: pointer;
}

.mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: var(--transition-base);
}

.mobile-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.mobile-toggle.active span:nth-child(2) {
  opacity: 0;
}

.mobile-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  top: 76px;
  left: 0;
  right: 0;
  background: rgba(3, 7, 18, 0.98);
  backdrop-filter: blur(20px);
  padding: var(--space-xl);
  transform: translateY(-100%);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-base);
  z-index: 999;
}

.mobile-menu.active {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
}

.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.mobile-nav-link {
  color: var(--text-primary);
  text-decoration: none;
  font-size: 1.25rem;
  font-weight: 500;
  padding: var(--space-md);
  border-bottom: 1px solid var(--border-subtle);
  transition: var(--transition-base);
}

.mobile-nav-link:hover {
  color: var(--accent-cyan);
  padding-left: var(--space-lg);
}

/* ========================================
   Hero Section (para páginas de curso)
   ======================================== */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: var(--space-4xl);
  padding: calc(100px + var(--space-4xl)) var(--space-lg) var(--space-4xl);
  max-width: 1280px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background: rgba(0, 240, 255, 0.1);
  border: 1px solid rgba(0, 240, 255, 0.2);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--accent-cyan);
  width: fit-content;
}

.pulse {
  width: 8px;
  height: 8px;
  background: var(--accent-cyan);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.2); }
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1.1;
  display: flex;
  flex-direction: column;
}

.title-line {
  color: var(--text-primary);
}

.title-highlight {
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.title-highlight.accent {
  background: linear-gradient(135deg, var(--accent-magenta), var(--accent-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 500px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--border-subtle);
  margin-top: var(--space-md);
}

.stat {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent-cyan);
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border-subtle);
}

/* Hero Visual - Canvas */
.hero-visual {
  position: relative;
  width: 100%;
  height: 500px;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
}

#techCanvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: block;
  background: transparent;
  pointer-events: none;
}

/* ========================================
   Sections comunes
   ======================================== */
.section {
  padding: var(--space-4xl) 0;
  position: relative;
  z-index: 1;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-3xl);
}

.section-tag {
  display: inline-block;
  padding: var(--space-xs) var(--space-md);
  background: rgba(0, 240, 255, 0.1);
  border: 1px solid rgba(0, 240, 255, 0.2);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-cyan);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-md);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  margin-bottom: var(--space-md);
}

.section-title span {
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-magenta));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-description {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ========================================
   Featured Course (para detalles de seminario)
   ======================================== */
.featured-course {
  background: var(--bg-card);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  margin-bottom: var(--space-3xl);
  position: relative;
  overflow: hidden;
}

.featured-course::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-cyan), var(--accent-magenta));
}

.featured-badge {
  position: absolute;
  top: var(--space-lg);
  right: var(--space-lg);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background: linear-gradient(135deg, #ff6b35, #f7c26b);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--bg-dark);
}

.featured-content {
  display: flex;
  align-items: flex-start;
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.featured-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  color: var(--bg-dark);
  flex-shrink: 0;
  box-shadow: var(--glow-cyan);
}

.featured-info h3 {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.featured-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}

.featured-actions {
  display: flex;
  gap: var(--space-md);
}

/* ========================================
   Course Cards (para listado de cursos)
   ======================================== */
.courses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-xl);
}

.course-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  position: relative;
  overflow: hidden;
  transition: var(--transition-base);
}

.course-card:hover {
  transform: translateY(-8px);
  border-color: var(--border-glow);
  box-shadow: var(--glow-cyan);
}

/* ========================================
   Metodología, Teachers, CTA, Footer (igual que en index)
   ======================================== */
.methodology-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-xl);
  margin-bottom: var(--space-3xl);
}

.method-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  position: relative;
  transition: var(--transition-base);
}

.method-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-4px);
}

.teachers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-xl);
}

.teacher-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  text-align: center;
  transition: var(--transition-base);
}

.cta-section {
  padding: var(--space-4xl) 0;
}

.cta-card {
  background: linear-gradient(135deg, rgba(0, 240, 255, 0.1), rgba(139, 92, 246, 0.1));
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-xl);
  padding: var(--space-3xl);
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: var(--space-2xl);
  position: relative;
  overflow: hidden;
}

.cta-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--bg-dark);
  margin-bottom: var(--space-md);
}

.cta-content h2 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 700;
  margin-bottom: var(--space-md);
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.footer {
  background: var(--bg-primary);
  border-top: 1px solid var(--border-subtle);
  padding: var(--space-4xl) 0 var(--space-xl);
  position: relative;
  z-index: 1;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-3xl);
}

.footer-bottom {
  padding-top: var(--space-xl);
  border-top: 1px solid var(--border-subtle);
  text-align: center;
}

/* ========================================
   Estilos específicos para páginas de seminario
   ======================================== */
.webinar-badge {
  display: inline-block;
  background: linear-gradient(135deg, #fbbf24, #f59e0b);
  color: #0a0f1c;
  padding: 0.5rem 1.25rem;
  border-radius: 9999px;
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
  box-shadow: 0 0 15px rgba(245, 158, 11, 0.4);
}

.highlight-dates {
  font-size: 1.2rem;
  color: #fbbf24;
  font-weight: 600;
  margin: 1.5rem 0;
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  background: rgba(251, 191, 36, 0.1);
  padding: 0.5rem 1rem;
  border-radius: 9999px;
  backdrop-filter: blur(4px);
}

.pricing-unico {
  background: linear-gradient(135deg, rgba(0, 240, 255, 0.15), rgba(139, 92, 246, 0.15));
  border: 1px solid rgba(0, 240, 255, 0.3);
  border-radius: 1.5rem;
  padding: 1.75rem;
  text-align: center;
  margin: 2rem 0;
  backdrop-filter: blur(8px);
}

.pricing-unico .precio {
  font-size: 3rem;
  font-weight: 800;
  font-family: var(--font-display);
  color: var(--accent-cyan);
  line-height: 1.2;
}

.clase-destacada {
  border-left: 4px solid #fbbf24;
  background: linear-gradient(90deg, rgba(251, 191, 36, 0.05), transparent);
}

.stats-grid-mini {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.stat-mini-card {
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: 1rem;
  padding: 1.25rem;
  text-align: center;
  transition: var(--transition-base);
}

.stat-mini-card i {
  font-size: 2rem;
  color: var(--accent-cyan);
  margin-bottom: 0.5rem;
}

.resultado-seminario {
  background: rgba(251, 191, 36, 0.1);
  border-radius: 1.5rem;
  padding: 2rem;
  margin-top: 2.5rem;
  text-align: center;
  border: 1px solid rgba(251, 191, 36, 0.3);
}

/* ========================================
   Scroll Reveal
   ======================================== */
.course-card,
.method-card,
.teacher-card,
.featured-course,
.ai-highlight,
.cta-card,
.section-header {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.6s cubic-bezier(0.2, 0.9, 0.4, 1.1),
              transform 0.6s cubic-bezier(0.2, 0.9, 0.4, 1.1);
  will-change: opacity, transform;
}

.revealed {
  opacity: 1 !important;
  transform: translateX(0) !important;
}

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 1024px) {
  .hero {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--space-2xl);
  }
  .hero-content {
    align-items: center;
  }
  .hero-description {
    margin: 0 auto;
  }
  .hero-stats {
    justify-content: center;
  }
  .hero-visual {
    height: 400px;
  }
  .cta-card {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-desktop,
  .header-actions {
    display: none;
  }
  .mobile-toggle {
    display: flex;
  }
  .hero {
    padding: calc(80px + var(--space-2xl)) var(--space-lg) var(--space-2xl);
    min-height: auto;
  }
  .hero-title {
    font-size: 2rem;
  }
  .hero-stats {
    flex-direction: column;
    gap: var(--space-md);
  }
  .stat-divider {
    width: 60px;
    height: 1px;
  }
  .featured-content {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  .featured-footer {
    flex-direction: column;
    align-items: stretch;
  }
  .featured-actions {
    flex-direction: column;
  }
  .courses-grid,
  .methodology-grid,
  .teachers-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .social-links {
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-md);
  }
  .section {
    padding: var(--space-2xl) 0;
  }
  .featured-course {
    padding: var(--space-lg);
  }
  .featured-badge {
    position: relative;
    top: 0;
    right: 0;
    margin-bottom: var(--space-md);
    display: inline-flex;
  }
  .pricing-unico .precio {
    font-size: 2.25rem;
  }
  .resultado-seminario h3 {
    font-size: 1.5rem;
  }
}

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

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent-cyan);
  outline-offset: 2px;
}

::selection {
  background: rgba(0, 240, 255, 0.3);
  color: var(--text-primary);
}


  /* Estilos adicionales para el video placeholder */
        .video-placeholder {
            position: relative;
            width: 100%;
            padding-bottom: 56.25%; /* 16:9 aspect ratio */
            background: #000;
            border-radius: 1rem;
            overflow: hidden;
            box-shadow: var(--glow-cyan);
            border: 1px solid var(--border-glow);
        }
        .video-placeholder iframe {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            border: 0;
        }
        /* Ajuste responsive para hero */
        @media (max-width: 1024px) {
            .hero {
                grid-template-columns: 1fr;
                text-align: center;
            }
            .video-placeholder {
                max-width: 90%;
                margin: 0 auto;
            }
        }