/* ============================================================
   Apolhus — landing estática
   Sin dependencias externas, sin llamadas a API.
   ============================================================ */

:root {
  --ink:        #0d1b2a;
  --ink-soft:   #33475b;
  --ink-mute:   #6b7b8d;
  --paper:      #ffffff;
  --paper-alt:  #f6f4ef;
  --line:       #e3ded2;

  --gold:       #c9a227;
  --gold-deep:  #8f7016;
  --gold-soft:  #f5e9c4;
  --aegean:     #14304d;
  --aegean-lit: #1e4a75;

  --radius:     14px;
  --radius-lg:  22px;
  --shadow:     0 1px 2px rgba(13, 27, 42, .05), 0 8px 24px rgba(13, 27, 42, .06);
  --shadow-lg:  0 18px 48px rgba(13, 27, 42, .14);

  --font-sans:  "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-serif: "Iowan Old Style", "Palatino Linotype", Georgia, serif;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: inherit; }

h1, h2, h3 {
  font-family: var(--font-serif);
  line-height: 1.15;
  letter-spacing: -.01em;
  margin: 0 0 .5em;
  font-weight: 600;
}

h1 { font-size: clamp(2.4rem, 6vw, 4rem); }
h2 { font-size: clamp(1.8rem, 3.6vw, 2.7rem); }
h3 { font-size: 1.12rem; font-family: var(--font-sans); font-weight: 650; letter-spacing: 0; }

p { margin: 0 0 1rem; }

ul { margin: 0; padding: 0; list-style: none; }

.wrap {
  width: min(1140px, 100% - 2.5rem);
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  left: -9999px;
  background: var(--ink);
  color: #fff;
  padding: .6rem 1rem;
  z-index: 100;
}
.skip-link:focus { left: 1rem; top: 1rem; }

:focus-visible {
  outline: 2px solid var(--gold-deep);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- Navegación ---------- */

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, .88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.nav__inner {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  min-height: 68px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  text-decoration: none;
  font-weight: 700;
  letter-spacing: .01em;
}

.brand__mark {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 9px;
  background: linear-gradient(150deg, var(--gold) 0%, var(--gold-deep) 100%);
  color: #fff;
  font-family: var(--font-serif);
  font-size: 1.05rem;
  line-height: 1;
}

.brand__name { font-size: 1.08rem; }

.nav__links {
  display: flex;
  gap: 1.4rem;
  margin-left: auto;
  font-size: .93rem;
}

.nav__links a {
  text-decoration: none;
  color: var(--ink-soft);
  padding: .25rem 0;
  border-bottom: 1.5px solid transparent;
  transition: color .15s, border-color .15s;
}
.nav__links a:hover { color: var(--ink); border-bottom-color: var(--gold); }

/* ---------- Botones ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: .78rem 1.5rem;
  border-radius: 999px;
  background: var(--ink);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  font-size: .95rem;
  border: 1.5px solid var(--ink);
  transition: transform .15s, background .15s, box-shadow .15s;
}
.btn:hover { background: var(--aegean); border-color: var(--aegean); transform: translateY(-1px); }

.btn--ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}
.btn--ghost:hover { background: var(--paper-alt); color: var(--ink); border-color: var(--gold); }

.btn--sm { padding: .5rem 1.05rem; font-size: .88rem; }
.btn--block { display: flex; width: 100%; margin-top: auto; }

/* ---------- Hero ---------- */

.hero {
  position: relative;
  overflow: hidden;
  padding: clamp(4rem, 10vw, 7.5rem) 0 clamp(3.5rem, 8vw, 6rem);
  background:
    radial-gradient(1000px 460px at 50% -8%, var(--gold-soft) 0%, transparent 62%),
    var(--paper);
}

.hero__inner { position: relative; z-index: 1; max-width: 860px; }

.hero h1 em {
  font-style: normal;
  background: linear-gradient(100deg, var(--gold-deep), var(--aegean-lit));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: .16em;
  font-size: .74rem;
  font-weight: 700;
  color: var(--gold-deep);
  margin-bottom: 1rem;
}
.eyebrow--light { color: var(--gold); }

.lead {
  font-size: clamp(1.02rem, 1.7vw, 1.2rem);
  color: var(--ink-soft);
  max-width: 62ch;
  margin-bottom: 2rem;
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: .8rem;
}

.hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 2.5rem;
  margin-top: 3.2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--line);
}
.hero__stats li { display: flex; flex-direction: column; }
.hero__stats strong {
  font-family: var(--font-serif);
  font-size: 1.7rem;
  line-height: 1.1;
  color: var(--aegean);
}
.hero__stats span { font-size: .85rem; color: var(--ink-mute); }

.hero__glow {
  position: absolute;
  inset: auto -10% -55% -10%;
  height: 340px;
  background: radial-gradient(closest-side, rgba(30, 74, 117, .10), transparent);
  pointer-events: none;
}

/* ---------- Secciones ---------- */

.section { padding: clamp(3.5rem, 8vw, 6rem) 0; }
.section--alt { background: var(--paper-alt); }

.section__lead {
  color: var(--ink-soft);
  max-width: 64ch;
  font-size: 1.02rem;
  margin-bottom: 2.4rem;
}

.section h2 { max-width: 20ch; }

.note {
  margin-top: 2rem;
  font-size: .9rem;
  color: var(--ink-mute);
  border-left: 2px solid var(--gold);
  padding-left: 1rem;
  max-width: 74ch;
}

/* ---------- Grillas y tarjetas ---------- */

.grid {
  display: grid;
  gap: 1.1rem;
  margin-top: 2rem;
}
.grid--2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid--3 { grid-template-columns: repeat(auto-fit, minmax(258px, 1fr)); }
.grid--4 { grid-template-columns: repeat(auto-fit, minmax(228px, 1fr)); }
.grid--gap-lg { gap: 1.4rem; }

.card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
}
.card p { color: var(--ink-soft); margin: 0; font-size: .95rem; }
.card h3 { margin-bottom: .45rem; }

.card--plain { box-shadow: none; background: transparent; border-color: transparent; padding: 1.1rem 0; }
.card--plain h3::before {
  content: "";
  display: block;
  width: 26px;
  height: 2px;
  background: var(--gold);
  margin-bottom: .8rem;
}

.card--lesson { gap: .7rem; }
.card--wide { grid-column: span 2; }

.card--role ul { display: grid; gap: .45rem; margin-top: .3rem; }
.card--role li {
  position: relative;
  padding-left: 1.2rem;
  font-size: .93rem;
  color: var(--ink-soft);
}
.card--role li::before {
  content: "▹";
  position: absolute;
  left: 0;
  color: var(--gold-deep);
}

.tag {
  align-self: flex-start;
  font-size: .76rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  padding: .3rem .65rem;
  border-radius: 999px;
  background: var(--gold-soft);
  color: var(--gold-deep);
}
.tag--hot { background: var(--aegean); color: #fff; }

/* ---------- Capacidades ---------- */

.capabilities {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  counter-reset: cap;
}

.cap {
  display: flex;
  gap: 1.4rem;
  padding: 1.6rem;
  background: var(--paper);
  align-items: flex-start;
}
.cap:hover { background: #fffdf7; }

.cap__num {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  color: var(--gold-deep);
  min-width: 2.2rem;
  line-height: 1.2;
}
.cap h3 { margin-bottom: .25rem; }
.cap p { margin: 0; color: var(--ink-soft); font-size: .95rem; }

/* ---------- Cadena jerárquica ---------- */

.chain {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  margin: 2rem 0 .5rem;
}

.chain__item {
  background: var(--paper);
  padding: 1.25rem 1.2rem;
  display: flex;
  flex-direction: column;
  gap: .35rem;
  position: relative;
}

.chain__label {
  font-weight: 700;
  font-size: .95rem;
  color: var(--aegean);
}
.chain__label::before {
  content: "";
  display: block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gold);
  margin-bottom: .6rem;
}
.chain__desc { font-size: .86rem; color: var(--ink-mute); }

/* ---------- Split (IA) ---------- */

.split {
  display: grid;
  grid-template-columns: 1.25fr .75fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}
.split .section__lead { margin-bottom: 1.2rem; }

.checklist {
  display: grid;
  gap: .75rem;
  background: var(--paper-alt);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.6rem;
}
.checklist li {
  position: relative;
  padding-left: 1.7rem;
  font-size: .94rem;
  color: var(--ink-soft);
}
.checklist li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--gold-deep);
  font-weight: 700;
}

/* ---------- Sección oscura ---------- */

.section--dark {
  background:
    radial-gradient(700px 340px at 85% 0%, rgba(201, 162, 39, .18), transparent 65%),
    var(--aegean);
  color: #e9eef4;
}
.section--dark h2 { color: #fff; }
.section--dark .section__lead { color: rgba(233, 238, 244, .78); }

.tile {
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: var(--radius);
  padding: 1.35rem;
  transition: background .15s, border-color .15s, transform .15s;
}
.tile:hover {
  background: rgba(255, 255, 255, .1);
  border-color: rgba(201, 162, 39, .55);
  transform: translateY(-2px);
}
.tile h3 { color: #fff; margin-bottom: .35rem; }
.tile p { margin: 0; font-size: .9rem; color: rgba(233, 238, 244, .74); }

/* ---------- Planes ---------- */

.plans { align-items: stretch; }

.plan {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 1.7rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: .9rem;
  position: relative;
  box-shadow: var(--shadow);
}

.plan h3 { font-family: var(--font-serif); font-size: 1.4rem; margin: 0; }

.plan__seats {
  margin: 0;
  font-weight: 650;
  color: var(--aegean);
  font-size: .95rem;
}

.plan ul { display: grid; gap: .45rem; margin-bottom: .6rem; }
.plan li {
  position: relative;
  padding-left: 1.15rem;
  font-size: .9rem;
  color: var(--ink-soft);
}
.plan li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--gold);
}

.plan--featured {
  border-color: var(--gold);
  box-shadow: var(--shadow-lg);
}

.plan__badge {
  position: absolute;
  top: -.8rem;
  left: 1.5rem;
  background: var(--gold);
  color: #fff;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: .28rem .7rem;
  border-radius: 999px;
}

/* ---------- CTA ---------- */

.cta {
  padding: clamp(3.5rem, 8vw, 5.5rem) 0;
  background:
    radial-gradient(760px 320px at 50% 0%, var(--gold-soft), transparent 70%),
    var(--paper);
  border-top: 1px solid var(--line);
}
.cta__inner { text-align: center; max-width: 680px; margin-inline: auto; }
.cta h2 { max-width: none; }
.cta p { color: var(--ink-soft); }
.cta .hero__cta { justify-content: center; }

/* ---------- Footer ---------- */

.footer {
  background: var(--ink);
  color: rgba(233, 238, 244, .72);
  padding: 2.6rem 0;
}
.footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.2rem 2rem;
}
.footer .brand { color: #fff; }
.footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem;
  margin-left: auto;
  font-size: .9rem;
}
.footer__links a { text-decoration: none; }
.footer__links a:hover { color: var(--gold); }
.footer__note { width: 100%; margin: 0; font-size: .82rem; opacity: .65; }

/* ---------- Responsive ---------- */

@media (max-width: 860px) {
  .nav__links { display: none; }
  .split { grid-template-columns: 1fr; }
  .card--wide { grid-column: auto; }
  .section h2 { max-width: none; }
  .hero__stats { gap: 1.6rem 2rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}