/* ============================================================
   Apassa — Design System (main.css)
   Sistema de diseño centralizado. Tokens + base + componentes.
   ============================================================ */

/* ---------- 1. Tokens ---------- */
:root {
  --bg: #0D0D12;
  --bg2: #15151C;
  --bg3: #1B1B24;
  --accent: #1255FF;
  --accent2: #1569AE;
  --steel: #C9D1D9;
  --dim: #9AA0A6;
  --white: #F5F5F7;
  --border: rgba(255,255,255,.07);
}

/* ---------- 2. Reset ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--white);
  font-family: 'Inter', sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4 { font-family: 'Space Grotesk', sans-serif; line-height: 1.12; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* ---------- 3. Layout ---------- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
section { padding: 90px 0; }
.grid { display: grid; gap: 24px; }
.grid-3 { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); }

/* ---------- 4. Navegación ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 18px 0; transition: .35s;
}
.nav.scrolled {
  background: rgba(13,13,18,.78);
  backdrop-filter: blur(16px);
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; }
.brand {
  font-family: 'Space Grotesk', sans-serif; font-weight: 700;
  font-size: 1.5rem; display: flex; align-items: center; gap: 10px;
}
.brand .mark {
  width: 30px; height: 30px; border-radius: 7px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  display: grid; place-items: center; font-size: .9rem;
  color: #0D0D12; font-weight: 700;
}
.nav-links { display: flex; gap: 32px; list-style: none; align-items: center; }
.nav-links a { color: var(--steel); font-size: .92rem; font-weight: 500; }
.nav-links a:hover, .nav-links .active { color: var(--white); }
.nav-cta {
  background: var(--accent); color: #fff; font-weight: 600; font-size: .9rem;
  padding: 11px 22px; border-radius: 999px; transition: .25s;
}
.nav-cta:hover { transform: translateY(-2px); box-shadow: 0 10px 30px rgba(18,85,255,.35); }

/* ---------- 5. Hero ---------- */
.hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center; overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0;
  background: url('/assets/img/hero-home.jpg') center/cover no-repeat;
  animation: kb 24s ease-in-out infinite alternate;
  will-change: transform;
}
@keyframes kb { from { transform: scale(1); } to { transform: scale(1.16); } }
.hero-bg::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(13,13,18,.62), rgba(13,13,18,.35) 45%, rgba(13,13,18,.95));
}
.hero-content { position: relative; z-index: 2; padding: 140px 0 80px; max-width: 760px; }
.hero h1 { font-size: clamp(2.6rem,6vw,4.8rem); font-weight: 700; letter-spacing: -1px; margin-bottom: 24px; }
.hero h1 em { font-style: normal; color: var(--accent); }
.hero p { color: var(--steel); font-size: 1.15rem; max-width: 560px; margin-bottom: 40px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* ---------- 6. Page hero (interior) ---------- */
.page-hero {
  position: relative; padding: 160px 0 80px;
  background: var(--bg2); border-bottom: 1px solid var(--border);
}
.page-hero:has(video) { overflow: hidden; }
.page-hero video {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; z-index: 0; opacity: .82;
}
.page-hero:has(video)::after {
  content: ''; position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(180deg, rgba(13,13,18,.30), rgba(13,13,18,.18) 45%, rgba(13,13,18,.92));
}
.page-hero:has(video) .container { position: relative; z-index: 2; }
.page-hero h1 { font-size: clamp(2.2rem,5vw,3.6rem); font-weight: 700; letter-spacing: -1px; }
.page-hero p { color: var(--dim); max-width: 640px; margin-top: 16px; font-size: 1.1rem; }
.eyebrow {
  color: var(--accent); font-size: .8rem; letter-spacing: 3px;
  text-transform: uppercase; font-weight: 600; margin-bottom: 14px; display: inline-block;
}

/* ---------- 7. Cards ---------- */
.card {
  background: var(--bg3); border: 1px solid var(--border);
  border-radius: 16px; overflow: hidden; transition: .3s;
}
.card:hover { transform: translateY(-5px); border-color: rgba(18,85,255,.45); }
.card img { width: 100%; height: 190px; object-fit: cover; background: #0a0a10; }
.card .body { padding: 20px; }
.card h3 { font-size: 1.1rem; margin-bottom: 8px; }
.card p { color: var(--dim); font-size: .88rem; }

/* ---------- 8. Secciones / botones ---------- */
.sec-head { max-width: 640px; margin-bottom: 50px; }
.sec-head h2 { font-size: clamp(1.8rem,4vw,2.8rem); font-weight: 700; letter-spacing: -.5px; }
.sec-head p { color: var(--dim); margin-top: 14px; }
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 28px; border-radius: 999px;
  font-weight: 600; font-size: 1rem; transition: .25s;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 14px 40px rgba(18,85,255,.35); }

/* ---------- 9. Footer ---------- */
footer { background: #08080B; border-top: 1px solid var(--border); padding: 60px 0 30px; }
.foot-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.4fr; gap: 40px; margin-bottom: 40px; }
.foot-col h4 {
  font-size: .8rem; letter-spacing: 2px; text-transform: uppercase;
  color: var(--dim); margin-bottom: 16px;
}
.foot-col ul { list-style: none; }
.foot-col li { margin-bottom: 10px; }
.foot-col a { color: var(--steel); font-size: .9rem; }
.foot-col a:hover { color: var(--accent); }
.foot-bottom {
  border-top: 1px solid var(--border); padding-top: 24px;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  color: var(--dim); font-size: .8rem;
}

/* ---------- 10. Responsive ---------- */
@media (max-width: 860px) {
  .nav-links { display: none; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 520px) {
  .foot-grid { grid-template-columns: 1fr; }
}