/* ---- tokens ---- */
:root {
  --ink: #121a17;
  --ink-soft: #4a5751;
  --ink-faint: #7d8a84;
  --bg: #fbfaf8;
  --surface: #ffffff;
  --line: #e6e3dd;
  --accent: #0e6b4f;
  --accent-soft: #e8f2ee;
  --radius: 14px;
  --maxw: 1080px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #f0efeb;
    --ink-soft: #b3bcb7;
    --ink-faint: #8a938e;
    --bg: #0e1412;
    --surface: #151d1a;
    --line: #24302b;
    --accent: #4fc79b;
    --accent-soft: #153026;
  }
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

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

h1, h2, h3 { line-height: 1.2; letter-spacing: -0.02em; margin: 0; }
h1 { font-size: clamp(2rem, 5vw, 3.25rem); font-weight: 700; }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 650; }
h3 { font-size: 1.0625rem; font-weight: 620; }
p { margin: 0; }

/* ---- header ---- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 66px;
}
.brand {
  font-weight: 660;
  font-size: 1rem;
  letter-spacing: -0.015em;
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: 10px;
}
.brand:hover { text-decoration: none; }
.brand-mark {
  width: 28px; height: 28px;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  display: grid; place-items: center;
  font-size: 0.8125rem; font-weight: 700;
  flex: none;
}
@media (prefers-color-scheme: dark) { .brand-mark { color: #08110d; } }

.site-nav { display: flex; align-items: center; gap: 26px; }
.site-nav a {
  color: var(--ink-soft);
  font-size: 0.9375rem;
  font-weight: 500;
}
.site-nav a:hover { color: var(--ink); text-decoration: none; }
.site-nav .btn { color: #fff; }
@media (max-width: 720px) {
  .site-nav .hide-sm { display: none; }
}

/* ---- buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: #fff;
  font-weight: 560;
  font-size: 0.9375rem;
  padding: 10px 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  white-space: nowrap;
}
.btn:hover { text-decoration: none; filter: brightness(1.08); }
@media (prefers-color-scheme: dark) { .btn { color: #08110d; } }

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}
.btn-ghost:hover { background: var(--surface); filter: none; }
@media (prefers-color-scheme: dark) { .btn-ghost { color: var(--ink); } }

/* ---- sections ---- */
section { padding: 84px 0; }
.eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 620;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 5px 12px;
  border-radius: 999px;
  margin-bottom: 20px;
}
.lede { font-size: 1.0625rem; color: var(--ink-soft); max-width: 62ch; }

/* ---- hero ---- */
.hero { padding: 92px 0 76px; }
.hero h1 { max-width: 18ch; }
.hero .lede { margin-top: 22px; font-size: 1.1875rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.hero-meta {
  margin-top: 44px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 36px;
}
.hero-meta div { min-width: 150px; }
.hero-meta dt {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--ink-faint);
  font-weight: 600;
}
.hero-meta dd { margin: 6px 0 0; font-size: 0.9375rem; color: var(--ink); font-weight: 500; }

/* ---- grid cards ---- */
.grid {
  display: grid;
  gap: 20px;
  margin-top: 40px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
}
.card .num {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.06em;
}
.card h3 { margin: 12px 0 10px; }
.card p { color: var(--ink-soft); font-size: 0.9375rem; }

/* ---- band ---- */
.band { background: var(--surface); border-block: 1px solid var(--line); }

.feature-list { list-style: none; padding: 0; margin: 32px 0 0; display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.feature-list li { display: flex; gap: 12px; align-items: flex-start; font-size: 0.9375rem; color: var(--ink-soft); }
.feature-list .tick {
  flex: none; width: 20px; height: 20px; margin-top: 2px;
  border-radius: 50%; background: var(--accent-soft); color: var(--accent);
  display: grid; place-items: center; font-size: 11px; font-weight: 700;
}
.feature-list b { color: var(--ink); font-weight: 600; }

/* ---- contacto ---- */
.contact-grid {
  display: grid;
  gap: 20px;
  margin-top: 40px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}
.contact-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  background: var(--surface);
}
.contact-item dt {
  font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.07em;
  color: var(--ink-faint); font-weight: 600;
}
.contact-item dd { margin: 8px 0 0; font-size: 1rem; font-weight: 550; word-break: break-word; }

/* ---- footer ---- */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 40px 0;
  color: var(--ink-faint);
  font-size: 0.875rem;
}
.site-footer .wrap { display: flex; flex-wrap: wrap; gap: 16px 28px; justify-content: space-between; align-items: center; }
.site-footer nav { display: flex; gap: 20px; flex-wrap: wrap; }
.site-footer a { color: var(--ink-soft); }

/* ---- páginas legales ---- */
.doc { padding: 64px 0 84px; }
.doc h1 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
.doc .updated { color: var(--ink-faint); font-size: 0.875rem; margin-top: 12px; }
.doc h2 { font-size: 1.25rem; margin: 44px 0 14px; }
.doc p, .doc li { color: var(--ink-soft); font-size: 0.9688rem; }
.doc p { margin-top: 14px; }
.doc ul { padding-left: 22px; margin-top: 14px; }
.doc li { margin-top: 8px; }
.doc .back { display: inline-block; margin-bottom: 28px; font-size: 0.9375rem; }