:root {
  --bg: #f6f7f4;
  --surface: #ffffff;
  --ink: #16211d;
  --muted: #55625c;
  --line: #dfe4df;
  --accent: #0f6b52;
  --accent-ink: #ffffff;
  --accent-soft: #e3f1ec;
  --radius: 14px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #101614;
    --surface: #17201d;
    --ink: #e8eeeb;
    --muted: #a3b0aa;
    --line: #2a3531;
    --accent: #4cc39c;
    --accent-ink: #0b1411;
    --accent-soft: #1c2d27;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.6;
}
a { color: var(--accent); }
a:focus-visible, button:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 4px; }
.wrap { max-width: 980px; margin: 0 auto; padding: 0 20px; }

/* Cabecera */
.top { border-bottom: 1px solid var(--line); background: var(--surface); }
.top .wrap { display: flex; align-items: center; justify-content: space-between; min-height: 64px; gap: 16px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font-weight: 700; letter-spacing: -0.01em; }
.brand svg { width: 28px; height: 28px; flex: none; }
.brand span b { color: var(--accent); font-weight: 700; }
.top nav a { color: var(--muted); text-decoration: none; font-size: 15px; }
.top nav a:hover { color: var(--ink); }

/* Portada */
.hero { padding-top: 64px; padding-bottom: 40px; }
.eyebrow { display: inline-block; font-size: 13px; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--accent); background: var(--accent-soft); padding: 4px 10px; border-radius: 999px; margin-bottom: 18px; }
h1 { font-size: clamp(30px, 5.2vw, 46px); line-height: 1.12; letter-spacing: -0.02em; margin: 0 0 18px; max-width: 18ch; }
.lead { font-size: clamp(17px, 2.2vw, 19px); color: var(--muted); max-width: 60ch; margin: 0; }

/* Aviso de enlace personal */
.notice { margin-top: 32px; display: flex; gap: 14px; align-items: flex-start; background: var(--surface); border: 1px solid var(--line); border-left: 4px solid var(--accent); border-radius: var(--radius); padding: 18px 20px; max-width: 720px; }
.notice svg { width: 22px; height: 22px; flex: none; margin-top: 3px; color: var(--accent); }
.notice p { margin: 0; }
.notice strong { display: block; margin-bottom: 2px; }

/* Secciones */
section { padding: 40px 0; }
h2 { font-size: clamp(22px, 3.2vw, 28px); letter-spacing: -0.01em; line-height: 1.25; margin: 0 0 20px; }
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; counter-reset: paso; }
.steps li { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 20px; counter-increment: paso; }
.steps li::before { content: counter(paso); display: inline-grid; place-items: center; width: 32px; height: 32px; border-radius: 50%; background: var(--accent); color: var(--accent-ink); font-weight: 700; font-size: 15px; margin-bottom: 12px; }
.steps h3, .cards h3 { font-size: 18px; margin: 0 0 6px; line-height: 1.3; }
.steps p, .cards p { margin: 0; color: var(--muted); font-size: 16px; }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.cards div { padding: 4px 0; }
.cards svg { width: 24px; height: 24px; color: var(--accent); margin-bottom: 8px; }

.band { background: var(--surface); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.contact { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 20px; }
.contact p { margin: 0; color: var(--muted); max-width: 56ch; }
.button { display: inline-block; background: var(--accent); color: var(--accent-ink); text-decoration: none; font-weight: 600; padding: 12px 20px; border-radius: 10px; white-space: nowrap; }
.button:hover { filter: brightness(1.06); }

/* Pie */
footer { padding: 28px 0 40px; color: var(--muted); font-size: 14px; }
footer .wrap { display: flex; flex-wrap: wrap; gap: 8px 20px; justify-content: space-between; }
footer nav { display: flex; flex-wrap: wrap; gap: 8px 18px; }
footer a { color: var(--muted); }

/* Páginas legales */
.legal { padding-top: 48px; padding-bottom: 24px; max-width: 760px; }
.legal h1 { font-size: clamp(28px, 4.4vw, 38px); max-width: none; }
.legal h2 { font-size: 20px; margin: 32px 0 10px; }
.legal p, .legal li { color: var(--ink); }
.legal .meta { color: var(--muted); font-size: 15px; }
.legal dl { display: grid; grid-template-columns: max-content 1fr; gap: 6px 18px; margin: 0; }
.legal dt { color: var(--muted); }
.legal dd { margin: 0; }

@media (max-width: 760px) {
  .steps, .cards { grid-template-columns: 1fr; }
  .hero { padding-top: 44px; padding-bottom: 28px; }
  section { padding: 28px 0; }
  .top nav { display: none; }
  .legal dl { grid-template-columns: 1fr; gap: 2px; }
  .legal dd { margin-bottom: 10px; }
}