/* Academia Highteck — Landing CSS */
:root {
  --navy: #0a1929;
  --navy-2: #142a45;
  --navy-3: #1e3a5f;
  --orange: #ff7a1a;
  --orange-2: #f06b22;
  --orange-soft: #fff5ec;
  --cream: #faf7f2;
  --ink: #0b1320;
  --muted: #5a6470;
  --line: #e1e5ea;
  --green: #10b981;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.65;
  color: var(--ink);
  background: white;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* Header sticky */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 25, 41, 0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.site-header .inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 18px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: white;
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.02em;
}
.brand-mark {background: transparent !important; border-radius: 8px; overflow: hidden;
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--orange), var(--orange-2));
  border-radius: 8px;
  display: grid;
  place-items: center;
  color: white;
  font-weight: 900;
  font-size: 18px;
  font-family: 'Inter', monospace;
}
.brand small { color: rgba(255,255,255,0.6); font-size: 12px; font-weight: 500; letter-spacing: 0.04em; text-transform: uppercase; display: block; line-height: 1; margin-top: 2px; }
.nav { display: flex; gap: 30px; align-items: center; }
.nav a { color: rgba(255,255,255,0.85); font-size: 15px; font-weight: 500; transition: color .15s; }
.nav a:hover { color: var(--orange); }
.btn {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  border: none;
  transition: transform .12s ease, box-shadow .15s ease, background .15s;
  text-align: center;
}
.btn-primary {
  background: linear-gradient(135deg, var(--orange), var(--orange-2));
  color: white;
  box-shadow: 0 4px 14px rgba(255, 122, 26, 0.35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(255, 122, 26, 0.45); }
.btn-secondary {
  background: white;
  color: var(--navy);
  border: 1.5px solid var(--line);
}
.btn-secondary:hover { border-color: var(--orange); color: var(--orange); }
.btn-ghost {
  background: rgba(255,255,255,0.08);
  color: white;
  border: 1px solid rgba(255,255,255,0.15);
}
.btn-ghost:hover { background: rgba(255,255,255,0.15); }
.btn-large { padding: 16px 32px; font-size: 17px; }

/* HERO */
.hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-2) 100%);
  color: white;
  padding: 80px 32px 120px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -200px; right: -200px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(255,122,26,0.15) 0%, transparent 70%);
  border-radius: 50%;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -300px; left: -200px;
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(30,58,95,0.6) 0%, transparent 70%);
  border-radius: 50%;
}
.hero-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 80px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.hero-eyebrow {
  display: inline-block;
  background: rgba(255, 122, 26, 0.15);
  color: var(--orange);
  padding: 8px 16px;
  border-radius: 100px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  margin-bottom: 24px;
  border: 1px solid rgba(255, 122, 26, 0.3);
}
.hero h1 {
  font-size: 64px;
  line-height: 1.05;
  letter-spacing: -0.03em;
  font-weight: 800;
  margin-bottom: 24px;
}
.hero h1 span { background: linear-gradient(135deg, var(--orange), #ffb37a); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p.lead {
  font-size: 22px;
  color: rgba(255,255,255,0.78);
  margin-bottom: 36px;
  line-height: 1.5;
  max-width: 580px;
}
.hero-ctas { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 48px; }
.hero-stats { display: flex; gap: 48px; flex-wrap: wrap; }
.hero-stat strong { display: block; font-size: 32px; font-weight: 800; color: white; letter-spacing: -0.02em; }
.hero-stat span { color: rgba(255,255,255,0.6); font-size: 14px; }
.hero-visual {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 24px 64px rgba(0,0,0,0.4);
  aspect-ratio: 4/3;
}
.hero-visual img { width: 100%; height: 100%; object-fit: cover; }
.hero-visual::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(45deg, rgba(10,25,41,0.4), transparent);
}
.hero-visual-badge {
  position: absolute;
  bottom: 20px; left: 20px;
  background: rgba(10,25,41,0.85);
  backdrop-filter: blur(12px);
  padding: 16px 20px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.1);
  z-index: 2;
}
.hero-visual-badge strong { color: white; font-size: 18px; display: block; }
.hero-visual-badge small { color: rgba(255,255,255,0.7); font-size: 13px; }

/* Sections genericos */
.section {
  padding: 100px 32px;
}
.section-inner { max-width: 1180px; margin: 0 auto; }
.section-header { text-align: center; margin-bottom: 64px; }
.section-eyebrow {
  display: inline-block;
  color: var(--orange);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.section h2 {
  font-size: 44px;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--navy);
  font-weight: 800;
  max-width: 720px;
  margin: 0 auto 16px;
}
.section .section-lead {
  font-size: 19px;
  color: var(--muted);
  max-width: 680px;
  margin: 0 auto;
  line-height: 1.55;
}
.section-bg-cream { background: var(--cream); }
.section-bg-navy { background: var(--navy); color: white; }
.section-bg-navy h2 { color: white; }
.section-bg-navy .section-lead { color: rgba(255,255,255,0.75); }

/* "Por qué" pillars */
.pillars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; margin-top: 16px; }
.pillar {
  background: white;
  padding: 36px;
  border-radius: 16px;
  border: 1px solid var(--line);
  transition: transform .2s, box-shadow .2s, border-color .2s;
}
.pillar:hover { transform: translateY(-4px); box-shadow: 0 16px 40px rgba(10,25,41,0.08); border-color: var(--orange); }
.pillar-icon {
  width: 56px; height: 56px;
  background: var(--orange-soft);
  border-radius: 14px;
  display: grid; place-items: center;
  margin-bottom: 20px;
  font-size: 28px;
  color: var(--orange);
  font-weight: 800;
}
.pillar h3 { color: var(--navy); font-size: 22px; margin-bottom: 12px; letter-spacing: -0.01em; font-weight: 700; }
.pillar p { color: var(--muted); font-size: 16px; line-height: 1.6; }

/* Cursos grid */
.cursos-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.curso-card {
  background: white;
  border: 1px solid var(--line);
  border-radius: 18px;
  overflow: hidden;
  transition: transform .2s, box-shadow .25s, border-color .2s;
  display: flex;
  flex-direction: column;
}
.curso-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 50px rgba(10,25,41,0.12);
  border-color: var(--orange);
}
.curso-thumb {
  aspect-ratio: 16/9;
  background: var(--navy);
  position: relative;
  overflow: hidden;
}
.curso-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.curso-card:hover .curso-thumb img { transform: scale(1.05); }
.curso-thumb::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(10,25,41,0.7) 100%);
}
.curso-num {
  position: absolute;
  top: 16px; left: 16px;
  background: rgba(255, 122, 26, 0.95);
  color: white;
  padding: 6px 14px;
  border-radius: 100px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  z-index: 2;
}
.curso-duracion {
  position: absolute;
  bottom: 16px; right: 16px;
  color: white;
  font-size: 13px;
  z-index: 2;
  background: rgba(0,0,0,0.5);
  padding: 6px 12px;
  border-radius: 100px;
  backdrop-filter: blur(8px);
}
.curso-body { padding: 28px; flex: 1; display: flex; flex-direction: column; }
.curso-body h3 { color: var(--navy); font-size: 22px; margin-bottom: 10px; letter-spacing: -0.01em; line-height: 1.25; }
.curso-body p { color: var(--muted); font-size: 15px; line-height: 1.6; margin-bottom: 20px; flex: 1; }
.curso-meta { display: flex; justify-content: space-between; align-items: center; padding-top: 20px; border-top: 1px solid var(--line); }
.curso-precio { color: var(--navy); font-weight: 700; font-size: 18px; }
.curso-precio small { color: var(--muted); font-weight: 500; font-size: 13px; }
.curso-link { color: var(--orange); font-weight: 600; font-size: 14px; }

/* Pricing / Bundle */
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 16px; }
.price-card {
  background: white;
  border: 2px solid var(--line);
  border-radius: 20px;
  padding: 40px 32px;
  position: relative;
  display: flex;
  flex-direction: column;
}
.price-card.featured {
  border-color: var(--orange);
  box-shadow: 0 24px 60px rgba(255, 122, 26, 0.2);
  transform: scale(1.04);
}
.price-card-badge {
  position: absolute;
  top: -14px; left: 50%; transform: translateX(-50%);
  background: linear-gradient(135deg, var(--orange), var(--orange-2));
  color: white;
  padding: 7px 18px;
  border-radius: 100px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  box-shadow: 0 6px 18px rgba(255, 122, 26, 0.35);
}
.price-name { color: var(--navy); font-size: 20px; font-weight: 700; margin-bottom: 6px; }
.price-desc { color: var(--muted); font-size: 14px; margin-bottom: 24px; }
.price-amount { display: flex; align-items: baseline; gap: 4px; margin-bottom: 6px; }
.price-amount .currency { font-size: 24px; color: var(--navy); font-weight: 600; }
.price-amount .num { font-size: 56px; color: var(--navy); font-weight: 800; letter-spacing: -0.03em; line-height: 1; }
.price-cop { color: var(--muted); font-size: 14px; margin-bottom: 24px; }
.price-cop strong { color: var(--ink); }
.price-features { list-style: none; margin: 0 0 32px; padding: 0; }
.price-features li { padding: 10px 0; color: var(--ink); font-size: 15px; display: flex; align-items: flex-start; gap: 10px; border-top: 1px solid var(--line); }
.price-features li::before { content: '✓'; color: var(--green); font-weight: 800; font-size: 16px; flex-shrink: 0; }
.price-features li:first-child { border-top: 0; }

/* Para quién es */
.audiencia-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 16px; }
.aud-card { padding: 32px 24px; text-align: center; }
.aud-icon {
  width: 64px; height: 64px;
  background: linear-gradient(135deg, var(--orange-soft), white);
  border: 1px solid rgba(255, 122, 26, 0.2);
  border-radius: 16px;
  display: grid; place-items: center;
  margin: 0 auto 16px;
  font-size: 28px;
}
.aud-card h4 { color: var(--navy); font-size: 17px; margin-bottom: 8px; font-weight: 700; }
.aud-card p { color: var(--muted); font-size: 14px; line-height: 1.55; }

/* Testimonios */
.testimonios { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; margin-top: 16px; }
.testimonio {
  background: white;
  padding: 32px;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.04);
}
.testimonio-quote { color: rgba(255,255,255,0.92); font-size: 16px; line-height: 1.65; margin-bottom: 24px; font-style: italic; }
.testimonio-quote::before { content: '"'; font-size: 48px; color: var(--orange); line-height: 0; vertical-align: -20px; margin-right: 6px; }
.testimonio-author { display: flex; align-items: center; gap: 14px; }
.testimonio-avatar {
  width: 48px; height: 48px;
  background: linear-gradient(135deg, var(--orange), var(--orange-2));
  border-radius: 50%;
  display: grid; place-items: center;
  color: white; font-weight: 700; font-size: 18px;
}
.testimonio-name { color: white; font-weight: 600; font-size: 15px; }
.testimonio-role { color: rgba(255,255,255,0.6); font-size: 13px; }

/* FAQ */
.faq { max-width: 800px; margin: 0 auto; }
.faq-item {
  background: white;
  border: 1px solid var(--line);
  border-radius: 12px;
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color .15s;
}
.faq-item:hover { border-color: var(--orange); }
.faq-question {
  padding: 22px 28px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  color: var(--navy);
  font-size: 17px;
  user-select: none;
}
.faq-question::after {
  content: '+';
  font-size: 28px;
  color: var(--orange);
  transition: transform .2s;
  font-weight: 400;
  line-height: 1;
}
.faq-item.open .faq-question::after { transform: rotate(45deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .3s ease, padding .3s ease;
  padding: 0 28px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.65;
}
.faq-item.open .faq-answer { max-height: 400px; padding: 0 28px 24px; }

/* CTA final */
.cta-final {
  background: linear-gradient(135deg, var(--navy), var(--navy-3));
  color: white;
  padding: 100px 32px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-final::before, .cta-final::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,122,26,0.15) 0%, transparent 70%);
}
.cta-final::before { top: -250px; left: -200px; width: 600px; height: 600px; }
.cta-final::after { bottom: -250px; right: -200px; width: 700px; height: 700px; }
.cta-final-inner { max-width: 900px; margin: 0 auto; position: relative; z-index: 1; }
.cta-final h2 { color: white; font-size: 48px; line-height: 1.1; margin-bottom: 20px; font-weight: 800; letter-spacing: -0.02em; }
.cta-final p { color: rgba(255,255,255,0.78); font-size: 20px; margin-bottom: 36px; }

/* Footer */
.footer {
  background: #060f1c;
  color: rgba(255,255,255,0.7);
  padding: 60px 32px 40px;
  border-top: 1px solid rgba(255,255,255,0.05);
}
.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
}
.footer h5 { color: white; font-size: 14px; font-weight: 700; margin-bottom: 18px; letter-spacing: 0.05em; text-transform: uppercase; }
.footer ul { list-style: none; padding: 0; }
.footer li { margin-bottom: 10px; font-size: 14px; }
.footer a:hover { color: var(--orange); }
.footer-bottom {
  max-width: 1280px;
  margin: 40px auto 0;
  padding-top: 30px;
  border-top: 1px solid rgba(255,255,255,0.08);
  font-size: 13px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

/* Animation on scroll */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .6s ease, transform .6s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* Responsive */
@media (max-width: 980px) {
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero h1 { font-size: 44px; }
  .hero p.lead { font-size: 18px; }
  .cursos-grid, .pillars, .audiencia-grid, .testimonios { grid-template-columns: 1fr 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
  .price-card.featured { transform: none; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .section h2 { font-size: 34px; }
}
@media (max-width: 640px) {
  .nav { display: none; }
  .hero h1 { font-size: 36px; }
  .cursos-grid, .pillars, .audiencia-grid, .testimonios, .footer-inner { grid-template-columns: 1fr; }
  .section { padding: 64px 24px; }
  .hero { padding: 48px 24px 80px; }
  .section h2 { font-size: 28px; }
  .cta-final h2 { font-size: 32px; }
  .price-amount .num { font-size: 44px; }
}