/* ============================================
   1. VARIABLES Y RESET
   ============================================ */
:root {
  --color-bg: #020c1b;
  --color-bg-alt: #0a1f1a;
  --color-emerald: #10b981;
  --color-emerald-glow: #34d399;
  --color-cyan: #06b6d4;
  --color-cyan-glow: #67e8f9;
  --color-text: #e2e8f0;
  --color-text-muted: #94a3b8;
  --glass-bg: rgba(15, 23, 42, 0.55);
  --glass-border: rgba(6, 182, 212, 0.18);
  --glass-border-hover: rgba(16, 185, 129, 0.45);
  --font-body: 'Inter', system-ui, sans-serif;
  --font-heading: 'Space Grotesk', system-ui, sans-serif;
  --radius: 16px;
  --transition: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background:
    radial-gradient(1200px 800px at 20% -10%, rgba(6,182,212,0.08), transparent),
    radial-gradient(1000px 700px at 110% 20%, rgba(16,185,129,0.06), transparent),
    linear-gradient(180deg, var(--color-bg) 0%, #031018 50%, var(--color-bg-alt) 100%);
  color: var(--color-text);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ============================================
   2. UTILIDADES Y COMPONENTES
   ============================================ */
.section {
  padding: 100px 0;
  position: relative;
  z-index: 1;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 2.4rem;
  font-weight: 700;
  margin-bottom: 12px;
  background: linear-gradient(90deg, var(--color-cyan), var(--color-emerald));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-align: center;
}

.section-subtitle {
  text-align: center;
  color: var(--color-text-muted);
  font-size: 1.1rem;
  max-width: 650px;
  margin: 0 auto 60px;
}

.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
}

.glass-deep {
  background: rgba(11, 17, 32, 0.75);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(6, 182, 212, 0.25);
  border-radius: var(--radius);
}

/* ============================================
   3. NAVEGACIÓN
   ============================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: background var(--transition), box-shadow var(--transition);
  padding: 16px 0;
}

.navbar.scrolled {
  background: rgba(2, 12, 27, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
  border-bottom: 1px solid rgba(6,182,212,0.15);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-text);
}

.logo i {
  color: var(--color-cyan);
  font-size: 1.5rem;
}

.nav-links {
  display: flex;
  gap: 32px;
}

.nav-links a {
  position: relative;
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--color-text-muted);
  transition: color var(--transition);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-cyan), var(--color-emerald));
  transition: width var(--transition);
}

.nav-links a:hover,
.nav-links a:focus,
.nav-links a.active {
  color: var(--color-text);
}

.nav-links a:hover::after,
.nav-links a:focus::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-text);
  font-size: 1.5rem;
  cursor: pointer;
}

/* ============================================
   4. HERO
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  padding: 120px 24px 80px;
}

#heroCanvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 900px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  margin-bottom: 24px;
  font-size: 0.9rem;
  color: var(--color-cyan-glow);
  border: 1px solid rgba(6,182,212,0.35);
  box-shadow: 0 0 20px rgba(6,182,212,0.1);
  animation: fadeInDown 0.8s ease both;
}

.hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(2.2rem, 5vw, 4.2rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 24px;
  color: #fff;
  text-shadow: 0 0 40px rgba(6,182,212,0.25);
  animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--color-text-muted);
  max-width: 720px;
  margin: 0 auto 40px;
  line-height: 1.7;
  animation: fadeInUp 0.8s ease 0.35s both;
}

.cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 40px;
  border-radius: 50px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  color: #020c1b;
  background: linear-gradient(90deg, var(--color-cyan), var(--color-emerald));
  box-shadow: 0 0 24px rgba(6,182,212,0.45), 0 0 8px rgba(16,185,129,0.3);
  transition: transform var(--transition), box-shadow var(--transition);
  animation: fadeInUp 0.8s ease 0.5s both;
}

.cta-btn:hover,
.cta-btn:focus {
  transform: translateY(-3px);
  box-shadow: 0 0 36px rgba(6,182,212,0.6), 0 0 12px rgba(16,185,129,0.45);
}

.hero-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(6,182,212,0.12) 0%, rgba(16,185,129,0.08) 40%, transparent 70%);
  z-index: 1;
  pointer-events: none;
  animation: pulseGlow 6s ease-in-out infinite;
}

/* ============================================
   5. SISTEMAS / STATS
   ============================================ */
.sistemas {
  background: linear-gradient(180deg, transparent, rgba(6,182,212,0.03), transparent);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}

.stat-card {
  padding: 32px 24px;
  text-align: center;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-cyan), transparent);
  opacity: 0.6;
}

.stat-card:hover {
  transform: translateY(-6px);
  border-color: var(--glass-border-hover);
  box-shadow: 0 12px 40px rgba(0,0,0,0.3), 0 0 20px rgba(6,182,212,0.15);
}

.stat-card i {
  font-size: 2rem;
  color: var(--color-emerald-glow);
  margin-bottom: 16px;
  display: inline-block;
}

.counter-wrap {
  display: inline-flex;
  align-items: baseline;
  gap: 2px;
  justify-content: center;
}

.counter {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 700;
  color: #fff;
  line-height: 1;
}

.counter-suffix {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-cyan-glow);
}

.counter-label {
  display: block;
  margin-top: 8px;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

/* ============================================
   6. SOBRE LA ACADEMIA
   ============================================ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-content .lead {
  font-size: 1.2rem;
  color: var(--color-text);
  margin-bottom: 40px;
  line-height: 1.7;
}

.about-features li {
  display: flex;
  gap: 20px;
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}

.about-features li:last-child {
  border-bottom: none;
}

.feature-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(6,182,212,0.1);
  border: 1px solid rgba(6,182,212,0.25);
  color: var(--color-cyan);
  font-size: 1.2rem;
}

.about-features strong {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.1rem;
  margin-bottom: 4px;
  color: #fff;
}

.about-features p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

/* Panel holográfico */
.holographic-panel {
  position: relative;
  background: linear-gradient(135deg, rgba(6,182,212,0.08), rgba(16,185,129,0.06));
  border: 1px solid rgba(6,182,212,0.35);
  border-radius: var(--radius);
  overflow: hidden;
  padding: 28px;
  box-shadow: 0 0 40px rgba(6,182,212,0.1), inset 0 0 20px rgba(6,182,212,0.05);
  animation: borderShift 4s ease-in-out infinite alternate;
}

.scanline {
  position: absolute;
  top: 0; left: 0; right: 0; height: 4px;
  background: linear-gradient(90deg, transparent, var(--color-cyan), transparent);
  opacity: 0.7;
  box-shadow: 0 0 12px var(--color-cyan);
  animation: scanMove 3s linear infinite;
  pointer-events: none;
}

.panel-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 24px;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-text-muted);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-emerald);
  box-shadow: 0 0 8px var(--color-emerald);
  animation: pulseDot 2s infinite;
}

.panel-id {
  margin-left: auto;
  color: var(--color-cyan-glow);
}

.data-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.data-label {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.data-value {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-cyan-glow);
}

.data-chart {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  height: 80px;
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.bar {
  flex: 1;
  background: linear-gradient(180deg, var(--color-cyan), rgba(6,182,212,0.2));
  border-radius: 4px 4px 0 0;
  opacity: 0.85;
}

/* ============================================
   7. PROGRAMAS
   ============================================ */
.programs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 28px;
}

.program-card {
  position: relative;
  padding: 40px 28px;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
  overflow: hidden;
}

.program-card:hover {
  transform: translateY(-8px);
  border-color: var(--glass-border-hover);
  box-shadow: 0 16px 48px rgba(0,0,0,0.35), 0 0 24px rgba(6,182,212,0.12);
}

.card-accent {
  position: absolute;
  top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--color-cyan), var(--color-emerald));
}

.card-icon {
  font-size: 2.2rem;
  color: var(--color-emerald-glow);
  margin-bottom: 20px;
  display: block;
}

.program-card h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  margin-bottom: 12px;
  color: #fff;
}

.program-card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin-bottom: 24px;
  line-height: 1.6;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--color-cyan-glow);
  font-weight: 600;
  font-size: 0.95rem;
  transition: gap var(--transition);
}

.card-link:hover {
  gap: 14px;
  color: var(--color-emerald-glow);
}

/* ============================================
   8. HEALTHTECH LAB
   ============================================ */
.lab-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 28px;
}

.lab-card {
  padding: 0;
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}

.lab-card:hover {
  transform: translateY(-6px) scale(1.01);
  box-shadow: 0 12px 40px rgba(0,0,0,0.35), 0 0 20px rgba(16,185,129,0.12);
  border-color: rgba(16,185,129,0.35);
}

.lab-header {
  padding: 28px 28px 0;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 16px;
}

.lab-header h3 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  color: #fff;
}

.lab-badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-cyan-glow);
  background: rgba(6,182,212,0.12);
  border: 1px solid rgba(6,182,212,0.25);
  white-space: nowrap;
}

.lab-body {
  padding: 0 28px 28px;
}

.lab-platform {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin-bottom: 8px;
}

.lab-platform strong {
  color: var(--color-emerald-glow);
}

.lab-functions {
  color: var(--color-text);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ============================================
   9. CONTACTO
   ============================================ */
.contacto {
  background: linear-gradient(180deg, transparent, rgba(16,185,129,0.03), transparent);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 40px;
  align-items: start;
}

.contact-form-wrapper {
  padding: 40px;
}

.form-group {
  margin-bottom: 28px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid rgba(255,255,255,0.15);
  padding: 10px 0;
  color: #fff;
  font-family: var(--font-body);
  font-size: 1rem;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  border-radius: 0;
  -webkit-appearance: none;
  appearance: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-bottom-color: var(--color-cyan);
  box-shadow: 0 6px 12px -4px rgba(6,182,212,0.15);
}

.form-group select option {
  background: #0b1120;
  color: #e2e8f0;
}

textarea {
  resize: vertical;
  min-height: 80px;
}

.submit-btn {
  width: 100%;
  padding: 16px;
  border-radius: 10px;
  border: none;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  color: #020c1b;
  cursor: pointer;
  background: linear-gradient(90deg, var(--color-cyan), var(--color-emerald));
  box-shadow: 0 0 20px rgba(6,182,212,0.4);
  transition: transform var(--transition), box-shadow var(--transition);
}

.submit-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(6,182,212,0.55);
}

.contact-info {
  padding: 40px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.info-block {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.info-block > i {
  font-size: 1.3rem;
  color: var(--color-cyan);
  margin-top: 2px;
}

.info-label {
  display: block;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-text-muted);
  margin-bottom: 4px;
}

.info-block address,
.info-block a {
  font-style: normal;
  color: var(--color-text);
  font-weight: 600;
  transition: color var(--transition);
}

.info-block a:hover {
  color: var(--color-cyan-glow);
}

.info-map {
  margin-top: 8px;
}

.map-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  height: 140px;
  border: 1px dashed rgba(6,182,212,0.3);
  border-radius: var(--radius);
  background: rgba(6,182,212,0.04);
  color: var(--color-cyan-glow);
  font-size: 0.95rem;
}

.map-placeholder i {
  font-size: 2rem;
}

/* ============================================
   10. FOOTER
   ============================================ */
.footer {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 40px 0;
  background: rgba(2,12,27,0.6);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  transition: color var(--transition);
}

.footer-links a:hover {
  color: var(--color-cyan-glow);
}

/* ============================================
   11. ANIMACIONES
   ============================================ */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

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

@keyframes pulseGlow {
  0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.6; }
  50% { transform: translate(-50%, -50%) scale(1.1); opacity: 0.9; }
}

@keyframes scanMove {
  0% { transform: translateY(0); }
  100% { transform: translateY(400px); }
}

@keyframes pulseDot {
  0%, 100% { opacity: 1; box-shadow: 0 0 8px var(--color-emerald); }
  50% { opacity: 0.6; box-shadow: 0 0 16px var(--color-emerald); }
}

@keyframes borderShift {
  from { border-color: rgba(6,182,212,0.35); box-shadow: 0 0 40px rgba(6,182,212,0.1); }
  to { border-color: rgba(16,185,129,0.35); box-shadow: 0 0 40px rgba(16,185,129,0.1); }
}

/* ============================================
   12. RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .about-visual {
    order: -1;
  }
  .lab-grid {
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  }
}

@media (max-width: 768px) {
  .section { padding: 70px 0; }
  .section-title { font-size: 1.9rem; }

  .nav-links {
    position: fixed;
    top: 70px; right: -100%;
    width: 70%;
    max-width: 300px;
    height: calc(100vh - 70px);
    flex-direction: column;
    background: rgba(2,12,27,0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-left: 1px solid rgba(6,182,212,0.2);
    padding: 40px 24px;
    gap: 24px;
    transition: right var(--transition);
  }
  .nav-links.active { right: 0; }
  .nav-toggle { display: block; }

  .stats-grid { grid-template-columns: 1fr 1fr; }
  .counter { font-size: 2.2rem; }
  .hero h1 { font-size: 2.2rem; }
  .footer-inner { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr; }
  .programs-grid { grid-template-columns: 1fr; }
  .lab-grid { grid-template-columns: 1fr; }
  .contact-form-wrapper,
  .contact-info { padding: 28px 20px; }
}

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