/* Paleta de marca: la misma que lib/src/theme/app_colors.dart. */
:root {
  --primary: #11ad97;
  --primary-strong: #147c79;
  --on-primary: #ffffff;
  --navy: #0b1d3e;
  --bg: #ffffff;
  --bg-alt: #def0ee;
  --surface: #ffffff;
  --text: #0b1d3e;
  --muted: #4a5a73;
  --border: #d3e4e2;
  --accent: #26b0e3;
  --ok: #11ad97;
  --shadow: 0 18px 50px rgba(11, 29, 62, 0.12);
  --radius: 18px;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --primary: #3fd1b7;
    --primary-strong: #5cf2d0;
    --on-primary: #0a1b3d;
    --bg: #0a1b3d;
    --bg-alt: #0e2550;
    --surface: #102a57;
    --text: #d9efed;
    --muted: #a3bfd0;
    --border: #1d3a6b;
    --accent: #2fb4d9;
    --ok: #3fd1b7;
    --shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Plus Jakarta Sans', system-ui, -apple-system, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--primary-strong); }
h1, h2, h3 { line-height: 1.2; margin: 0 0 12px; }
h1 { font-size: clamp(2.1rem, 5vw, 3.4rem); font-weight: 800; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.2rem); font-weight: 700; }
h3 { font-size: 1.15rem; font-weight: 700; }
p { margin: 0 0 12px; }

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 20px; }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 12px; top: 12px; background: var(--surface); padding: 8px 12px; z-index: 10; }

/* Navegación */
.nav {
  position: sticky; top: 0; z-index: 5;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.nav .wrap { display: flex; align-items: center; gap: 24px; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.2rem; color: var(--text); text-decoration: none; }
.brand img { border-radius: 9px; }
.nav-links { display: flex; gap: 20px; list-style: none; margin: 0 0 0 auto; padding: 0; }
.nav-links a { color: var(--muted); text-decoration: none; font-weight: 500; }
.nav-links a:hover { color: var(--text); }
@media (max-width: 760px) { .nav-links { display: none; } .nav .btn { margin-left: auto; } }

/* Botones */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  background: var(--primary); color: var(--on-primary);
  border: 2px solid var(--primary); border-radius: 999px;
  padding: 10px 20px; font-weight: 700; text-decoration: none;
  transition: transform .15s ease, background .15s ease;
}
.btn:hover { transform: translateY(-1px); background: var(--primary-strong); border-color: var(--primary-strong); }
.btn svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.btn-sm { padding: 7px 16px; }
.btn-lg { padding: 14px 26px; font-size: 1.02rem; }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--border); }
.btn-ghost:hover { background: var(--bg-alt); border-color: var(--primary); color: var(--text); }
.btn[aria-disabled="true"] { opacity: .55; pointer-events: none; }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; margin: 24px 0; }

/* Hero */
.hero { padding: 72px 0 56px; background: radial-gradient(circle at 85% 10%, color-mix(in srgb, var(--primary) 18%, transparent), transparent 45%); }
.hero-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 48px; align-items: center; }
@media (max-width: 900px) { .hero-grid { grid-template-columns: 1fr; } }
.eyebrow { display: inline-block; font-weight: 700; color: var(--primary-strong); text-transform: uppercase; letter-spacing: .08em; font-size: .8rem; margin-bottom: 12px; }
.accent { color: var(--primary); }
.lead { font-size: 1.12rem; color: var(--muted); max-width: 560px; }
.checks { list-style: none; padding: 0; margin: 0; display: grid; gap: 6px; color: var(--muted); }
.checks li::before { content: '✓'; color: var(--ok); font-weight: 800; margin-right: 8px; }

.hero-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; }
.mock-head { display: flex; gap: 6px; padding: 12px 16px; border-bottom: 1px solid var(--border); }
.dot { width: 10px; height: 10px; border-radius: 50%; background: var(--border); }
.mock-body { padding: 18px; display: grid; gap: 10px; }
.mock-title { font-weight: 700; margin-bottom: 4px; }
.mock-row { display: grid; grid-template-columns: 56px 1fr auto; gap: 10px; align-items: center; padding: 10px 12px; border-radius: 12px; background: var(--bg-alt); font-size: .92rem; }
.mock-row span { color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tag { font-style: normal; font-size: .75rem; font-weight: 700; padding: 3px 9px; border-radius: 999px; background: var(--border); color: var(--text); }
.tag.ok { background: color-mix(in srgb, var(--ok) 22%, transparent); color: var(--primary-strong); }
.tag.new { background: color-mix(in srgb, var(--accent) 22%, transparent); color: var(--accent); }

/* Secciones */
.section { padding: 72px 0; }
.section.alt { background: var(--bg-alt); }
.section-lead { color: var(--muted); margin-bottom: 32px; }
.grid-4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 18px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; }
.card p { color: var(--muted); margin: 0; }
.icon { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; background: color-mix(in srgb, var(--primary) 16%, transparent); margin-bottom: 14px; }
.icon svg { width: 24px; height: 24px; fill: none; stroke: var(--primary-strong); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

.steps { counter-reset: step; list-style: none; padding: 0; margin: 24px 0 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 18px; }
.steps li { counter-increment: step; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; color: var(--muted); }
.steps li::before { content: counter(step); display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; background: var(--primary); color: var(--on-primary); font-weight: 800; margin-bottom: 12px; }
.steps b { color: var(--text); display: block; }

/* Planes (se rellenan desde la API) */
.plan .price { font-size: 1.6rem; font-weight: 800; margin: 4px 0 12px; }
.plan .price small { font-size: .9rem; font-weight: 500; color: var(--muted); }
.plan ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 4px; color: var(--muted); }

.patient { display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.patient > div { max-width: 620px; }
.patient p { color: var(--muted); }

/* Descargas */
.downloads { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 820px) { .downloads { grid-template-columns: 1fr; } }
.download-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; }
.download-card > p { color: var(--muted); }
.download-card .btn { margin: 8px 0 18px; }
.meta { display: flex; gap: 24px; flex-wrap: wrap; margin: 0 0 12px; }
.meta dt { font-size: .8rem; color: var(--muted); }
.meta dd { margin: 0; font-weight: 700; }
.alt-download { font-size: .92rem; color: var(--muted); }
.sha summary { cursor: pointer; color: var(--muted); font-size: .9rem; }
.sha code { display: block; word-break: break-all; font-size: .8rem; margin-top: 6px; color: var(--muted); }
.changelog h3 { margin-top: 12px; }
.changelog h4 { margin: 12px 0 4px; font-size: .95rem; }
.changelog h4 small { color: var(--muted); font-weight: 500; margin-left: 8px; }
.changelog ul { margin: 0; padding-left: 18px; color: var(--muted); }
.changelog .kind { font-weight: 700; color: var(--text); }

.footer { border-top: 1px solid var(--border); padding: 24px 0; color: var(--muted); }
.footer .wrap { display: flex; justify-content: space-between; gap: 16px; }