/* ============================================================
   Meridian — Comercio Internacional
   Static corporate site. Design tokens + layout.
   ============================================================ */
:root{
  --bg: #0a1626;
  --bg-2: #0e1d31;
  --surface: #122540;
  --surface-2: #16314f;
  --text: #eaf2fb;
  --muted: #a9bdd4;
  --line: rgba(255,255,255,0.10);
  --brand: #2bb5c9;      /* teal/cyan */
  --brand-2: #1f8fa6;
  --accent: #e8a35c;     /* warm amber (cargo) */
  --radius: 16px;
  --maxw: 1160px;
  --shadow: 0 18px 50px rgba(0,0,0,0.35);
  --font: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  --display: 'Plus Jakarta Sans', var(--font);
}

*,*::before,*::after{ box-sizing:border-box; margin:0; padding:0; }
html{ scroll-behavior:smooth; }
body{
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a{ color: inherit; text-decoration: none; }
img, svg{ display:block; }

.container{ width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ------------- Buttons ------------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  gap:.5rem; font-weight:600; font-family:var(--font);
  padding: 14px 24px; border-radius: 999px; border:1px solid transparent;
  cursor:pointer; transition: transform .15s ease, background .2s ease, border-color .2s ease;
  font-size: 15px; white-space: nowrap;
}
.btn:hover{ transform: translateY(-2px); }
.btn-sm{ padding: 9px 18px; font-size: 14px; }
.btn-primary{ background: var(--brand); color:#04141a; border-color: var(--brand); }
.btn-primary:hover{ background: #35c6da; }
.btn-ghost{ background: rgba(255,255,255,0.06); color: var(--text); border-color: var(--line); backdrop-filter: blur(6px); }
.btn-ghost:hover{ background: rgba(255,255,255,0.12); }

/* ------------- Header ------------- */
.site-header{
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  padding: 14px 0;
  transition: background .3s ease, box-shadow .3s ease, padding .3s ease;
}
.site-header.scrolled{
  background: rgba(10,22,38,0.82);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--line);
  padding: 8px 0;
}
.header-inner{ display:flex; align-items:center; gap: 24px; }
.brand{ display:flex; align-items:center; gap:10px; font-family:var(--display); font-weight:800; font-size:20px; letter-spacing:-.01em; }
.brand-mark{ color: var(--brand); }
.brand-name{ color: var(--text); }
.nav{ display:flex; gap: 26px; margin-left: auto; }
.nav a{ color: var(--muted); font-weight:500; font-size:15px; transition: color .2s; }
.nav a:hover{ color: var(--text); }
.header-actions{ display:flex; align-items:center; gap:14px; }
.lang-switch{ display:flex; align-items:center; gap:6px; color: var(--muted); font-size:14px; font-weight:600; }
.lang-switch button{ background:none; border:none; color: var(--muted); cursor:pointer; font: inherit; padding: 2px 2px; }
.lang-switch button.is-active{ color: var(--brand); }
.lang-switch button:hover{ color: var(--text); }

.nav-toggle{ display:none; flex-direction:column; gap:5px; background:none; border:none; cursor:pointer; padding:8px; }
.nav-toggle span{ width:22px; height:2px; background: var(--text); border-radius:2px; transition: .25s; }

/* ------------- Hero ------------- */
.hero{ position: relative; height: 100svh; min-height: 620px; overflow: hidden; display:flex; align-items:center; }
.hero-canvas{
  position:absolute; inset:0; width:100%; height:100%; display:block;
  background: linear-gradient(180deg, #0b1f3a 0%, #2a4a6e 55%, #e7a76b 100%); /* fallback / until WebGL paints */
}
.hero-canvas.is-failed{ /* keep gradient visible if WebGL fails */ }
.hero-scrim{
  position:absolute; inset:0;
  background:
    linear-gradient(90deg, rgba(5,12,22,0.72) 0%, rgba(5,12,22,0.30) 45%, transparent 72%),
    linear-gradient(180deg, rgba(5,12,22,0.35) 0%, transparent 30%, transparent 75%, rgba(5,12,22,0.55) 100%);
  pointer-events: none;
}
.hero-content{ position: relative; z-index: 2; max-width: 680px; }
.eyebrow{
  text-transform: uppercase; letter-spacing: .14em; font-size: 12.5px; font-weight: 700;
  color: var(--brand); margin-bottom: 14px;
}
.hero-title{
  font-family: var(--display); font-weight: 800; letter-spacing: -0.02em;
  font-size: clamp(2.3rem, 5.2vw, 4.2rem); line-height: 1.05; margin-bottom: 20px;
  text-shadow: 0 2px 30px rgba(0,0,0,0.35);
}
.hero-sub{ font-size: clamp(1rem, 1.6vw, 1.2rem); color: #dbe7f4; max-width: 560px; margin-bottom: 30px; }
.hero-cta{ display:flex; gap: 14px; flex-wrap: wrap; margin-bottom: 44px; }
.hero-stats{ display:flex; gap: 40px; flex-wrap: wrap; }
.hero-stats dt{ font-family: var(--display); font-weight: 800; font-size: clamp(1.6rem, 3vw, 2.3rem); color: var(--text); }
.hero-stats dd{ color: var(--muted); font-size: 13.5px; max-width: 150px; }

.scroll-hint{ position:absolute; bottom: 24px; left: 50%; transform: translateX(-50%); z-index:2; width: 26px; height: 42px; border: 2px solid rgba(255,255,255,0.45); border-radius: 14px; }
.scroll-hint span{ position:absolute; top:8px; left:50%; width:4px; height:8px; margin-left:-2px; background:#fff; border-radius:2px; animation: scrolldot 1.6s infinite; }
@keyframes scrolldot{ 0%{opacity:0;transform:translateY(0);} 40%{opacity:1;} 80%{opacity:0;transform:translateY(12px);} 100%{opacity:0;} }

/* ------------- Sections ------------- */
.section{ padding: 96px 0; }
.section-alt{ background: var(--bg-2); }
.section-head{ max-width: 680px; margin: 0 auto 54px; text-align: center; }
.section-head h2{ font-family: var(--display); font-weight: 800; font-size: clamp(1.8rem, 3.4vw, 2.6rem); letter-spacing:-.02em; margin: 6px 0 14px; }
.section-lead{ color: var(--muted); font-size: 1.05rem; }

.cols-2{ display:grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }
.cols-2 h2{ font-family: var(--display); font-weight: 800; font-size: clamp(1.8rem, 3.2vw, 2.4rem); letter-spacing:-.02em; margin: 6px 0 16px; }

/* ------------- Grid / Cards ------------- */
.grid{ display:grid; gap: 22px; }
.grid-3{ grid-template-columns: repeat(3, 1fr); }
.card{
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px 26px; transition: transform .2s ease, border-color .2s ease, background .2s ease;
}
.card:hover{ transform: translateY(-4px); border-color: rgba(43,181,201,0.5); background: var(--surface-2); }
.card-icon{ font-size: 30px; margin-bottom: 14px; }
.card h3{ font-family: var(--display); font-weight: 700; font-size: 1.2rem; margin-bottom: 8px; }
.card p{ color: var(--muted); font-size: 15px; }

/* ------------- Sectores ------------- */
.sector-list{ list-style:none; display:grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.sector-list li{
  display:flex; align-items:center; gap: 12px; padding: 18px 18px;
  background: var(--surface); border:1px solid var(--line); border-radius: 12px;
  transition: border-color .2s, transform .2s;
}
.sector-list li:hover{ border-color: rgba(232,163,92,0.55); transform: translateY(-3px); }
.sector-list span{ font-size: 22px; }
.sector-list strong{ font-weight: 600; font-size: 14.5px; }

/* ------------- Cobertura ------------- */
.region-list{ list-style:none; margin-top: 22px; display:grid; gap: 12px; }
.region-list li{ padding-left: 22px; position: relative; color: var(--muted); }
.region-list li::before{ content:""; position:absolute; left:0; top:.65em; width:9px; height:9px; border-radius:50%; background: var(--brand); }
.coverage-card{ display:grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.coverage-metric{
  background: var(--surface); border:1px solid var(--line); border-radius: 14px;
  padding: 26px 22px; text-align:center;
}
.coverage-metric strong{ display:block; font-family: var(--display); font-weight: 800; font-size: 2.1rem; color: var(--brand); }
.coverage-metric span{ color: var(--muted); font-size: 14px; }

/* ------------- Nosotros ------------- */
.values{ display:grid; gap: 16px; }
.value{ background: var(--surface); border:1px solid var(--line); border-radius: 14px; padding: 22px 24px; }
.value h3{ font-family: var(--display); font-weight:700; font-size: 1.1rem; margin-bottom: 4px; color: var(--brand); }
.value p{ color: var(--muted); font-size: 15px; }
.section-alt .value, .section-alt .card, .section-alt .sector-list li{ background: var(--surface-2); }

/* ------------- Contacto ------------- */
.contact-info{ list-style:none; margin-top: 24px; display:grid; gap: 18px; color: var(--muted); }
.contact-info strong{ color: var(--text); }
.contact-info a{ color: var(--brand); }
.contact-form{ display:grid; gap: 16px; background: var(--surface); border:1px solid var(--line); border-radius: var(--radius); padding: 30px; }
.contact-form label{ display:grid; gap: 7px; font-size: 14px; font-weight: 500; color: var(--muted); }
.contact-form input, .contact-form textarea{
  font: inherit; color: var(--text); background: var(--bg); border:1px solid var(--line);
  border-radius: 10px; padding: 12px 14px; resize: vertical;
}
.contact-form input:focus, .contact-form textarea:focus{ outline: none; border-color: var(--brand); }
.form-note{ font-size: 13px; color: var(--muted); }
.form-note.ok{ color: #5fd38a; }

/* ------------- Footer ------------- */
.site-footer{ background: #07111e; border-top: 1px solid var(--line); padding: 46px 0; }
.footer-inner{ display:flex; flex-direction:column; align-items:center; gap: 10px; text-align:center; }
.footer-note{ color: var(--muted); }
.footer-legal{ color: #6c829b; font-size: 13.5px; }

/* ------------- Responsive ------------- */
@media (max-width: 920px){
  .grid-3{ grid-template-columns: repeat(2, 1fr); }
  .sector-list{ grid-template-columns: repeat(2, 1fr); }
  .cols-2{ grid-template-columns: 1fr; gap: 36px; }
}
@media (max-width: 720px){
  .nav{ display:none; }
  .nav.open{
    display:flex; flex-direction:column; gap: 4px;
    position:absolute; top: 100%; left:0; right:0; margin-left:0;
    background: rgba(10,22,38,0.97); backdrop-filter: blur(12px);
    padding: 12px 24px 20px; border-top:1px solid var(--line);
  }
  .nav.open a{ padding: 10px 0; font-size: 16px; }
  .nav-toggle{ display:flex; }
  .header-actions .btn-primary{ display:none; }
  .section{ padding: 72px 0; }
  .hero-stats{ gap: 26px; }
}
@media (max-width: 520px){
  .grid-3, .sector-list, .coverage-card{ grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  .btn:hover, .card:hover, .sector-list li:hover{ transform: none; }
  .scroll-hint span{ animation: none; }
}