/* ═══════════════════════════════════════════════
   Landing Page CSS — SagaTechSchool Pro
═══════════════════════════════════════════════ */

/* ─── NAVBAR ────────────────────────────────── */
.nav-landing {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: all 0.3s ease;
}
.nav-landing.scrolled {
  background: rgba(9,11,20,0.9);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--borde);
  padding: 12px 0;
}
.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 40px;
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}
.nav-brand-icon {
  font-size: 1.5rem;
}
.nav-brand-text {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 800;
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.nav-links {
  display: flex;
  gap: 32px;
  flex: 1;
}
.nav-links a {
  color: var(--texto-2);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--texto-1); }
.nav-actions {
  display: flex;
  gap: 10px;
  align-items: center;
}
.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--texto-1);
  font-size: 1.3rem;
  cursor: pointer;
  margin-left: auto;
}

/* ─── HERO ───────────────────────────────────── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 120px 24px 80px;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.2;
}
.hero-orb-1 {
  width: 600px; height: 600px;
  background: var(--color-primario);
  top: -200px; left: -100px;
  animation: orbPulse 6s ease-in-out infinite;
}
.hero-orb-2 {
  width: 500px; height: 500px;
  background: var(--color-secundario);
  bottom: -100px; right: -100px;
  animation: orbPulse 8s ease-in-out infinite 3s;
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}
@keyframes orbPulse {
  0%, 100% { transform: scale(1); opacity: 0.2; }
  50%       { transform: scale(1.15); opacity: 0.3; }
}
.hero-container {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(var(--color-primario-rgb), 0.15);
  border: 1px solid rgba(var(--color-primario-rgb), 0.3);
  color: var(--color-primario);
  padding: 6px 16px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 24px;
}
.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}
.hero-title-gradient {
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-desc {
  font-size: 1.15rem;
  color: var(--texto-2);
  max-width: 600px;
  margin: 0 auto 36px;
  line-height: 1.7;
}
.hero-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 40px;
}
.hero-social { display: flex; align-items: center; gap: 12px; justify-content: center; }
.hero-platforms {
  display: flex;
  gap: 10px;
}
.hero-platforms span {
  font-size: 1.3rem;
  opacity: 0.6;
  transition: opacity 0.2s;
  cursor: default;
}
.hero-platforms span:hover { opacity: 1; }

/* ─── SECCIÓN GENÉRICA ────────────────────────── */
.seccion {
  padding: 90px 24px;
}
.seccion-dark {
  background: var(--bg-base);
}
.seccion-container {
  max-width: 1200px;
  margin: 0 auto;
}
.seccion-header {
  text-align: center;
  margin-bottom: 60px;
}
.seccion-header h2 { margin-bottom: 12px; }
.seccion-header p  { color: var(--texto-2); max-width: 560px; margin: 0 auto; }
.seccion-badge {
  display: inline-block;
  background: rgba(var(--color-primario-rgb), 0.12);
  color: var(--color-primario);
  border: 1px solid rgba(var(--color-primario-rgb), 0.25);
  padding: 4px 14px;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 600;
  margin-bottom: 16px;
}

/* ─── CARDS DE CURSO ──────────────────────────── */
.cursos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}
.curso-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding: 0;
}
.curso-imagen {
  height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
.curso-modalidad-badge {
  position: absolute;
  top: 12px; left: 12px;
  background: var(--bg-card);
  backdrop-filter: blur(8px);
  color: #fff;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
}
.curso-body { padding: 20px; flex: 1; }
.curso-nombre {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 8px;
}
.curso-desc {
  font-size: 0.85rem;
  color: var(--texto-3);
  margin-bottom: 14px;
  min-height: 48px;
}
.curso-meta {
  display: flex;
  gap: 16px;
  font-size: 0.8rem;
  color: var(--texto-3);
  margin-bottom: 16px;
}
.curso-card .btn { margin: 0 20px 20px; width: auto; }

/* ─── CARACTERÍSTICAS ───────────────────────────── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}
.feature-card {
  padding: 28px;
  transition: all 0.3s ease;
}
.feature-card:hover {
  transform: translateY(-4px);
  border-color: rgba(var(--color-primario-rgb), 0.3);
}
.feature-icon {
  font-size: 2rem;
  margin-bottom: 14px;
}
.feature-titulo {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
}
.feature-desc {
  font-size: 0.875rem;
  color: var(--texto-3);
  line-height: 1.6;
}

/* ─── ESTADÍSTICAS ───────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.stat-card {
  text-align: center;
  padding: 40px 20px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radio-lg);
  backdrop-filter: var(--glass-blur);
}
.stat-numero {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 900;
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 8px;
}
.stat-label {
  color: var(--texto-2);
  font-size: 0.9rem;
  font-weight: 500;
}

/* ─── CTA ────────────────────────────────────────── */
.cta-section {
  padding: 100px 24px;
  background: var(--grad-dark);
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, rgba(var(--color-primario-rgb),0.2), transparent 70%);
}
.cta-section .seccion-container { position: relative; z-index: 1; }

/* ─── FOOTER ─────────────────────────────────────── */
.footer {
  background: var(--bg-base);
  border-top: 1px solid var(--borde);
  padding: 60px 24px 30px;
}
.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-links h4 {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--texto-3);
  margin-bottom: 16px;
}
.footer-links a {
  display: block;
  color: var(--texto-2);
  font-size: 0.875rem;
  margin-bottom: 10px;
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--texto-1); }
.footer-bottom {
  border-top: 1px solid var(--borde);
  padding-top: 24px;
}

/* ─── Responsive ───────────────────────────────── */
@media (max-width: 768px) {
  .nav-links  { display: none; }
  .nav-actions { display: none; }
  .nav-toggle  { display: block; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 70px; left: 0; right: 0;
    background: var(--bg-superficie);
    padding: 20px;
    gap: 16px;
    border-bottom: 1px solid var(--borde);
  }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-container { grid-template-columns: 1fr; }
  .hero { padding: 100px 20px 60px; }
}
@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; align-items: center; }
}