/* Mismos tokens que src/index.css: la landing se ve como la app. */
:root {
  color-scheme: dark;
  --bg: #0d0d0d;
  --bg-gradient: linear-gradient(180deg, #0a0a0a 0%, #000 100%);
  --panel: rgba(18, 18, 18, 0.8);
  --surface: rgba(30, 30, 30, 0.4);
  --surface-hover: rgba(45, 45, 45, 0.6);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-border-hover: rgba(255, 255, 255, 0.15);
  --border: rgba(255, 255, 255, 0.06);
  --text: #e8e8e8;
  --text-dim: #909090;
  --text-muted: #555;
  --primary: #d0d0d0;
  --primary-hover: #fff;
  --primary-fg: #000;
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --radius: 20px;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--text); font-family: var(--font-sans); }
body { background: var(--bg-gradient); min-height: 100vh; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.92em; background: rgba(255,255,255,0.06); padding: 1px 6px; border-radius: 6px; }
em { font-style: normal; color: var(--text); font-weight: 500; }

.top { display: flex; align-items: center; justify-content: space-between; padding: 18px 28px; max-width: 1080px; margin: 0 auto; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 600; letter-spacing: 0.02em; }
.brand img { border-radius: 8px; }
.top nav { display: flex; gap: 22px; color: var(--text-dim); font-size: 14px; }
.top nav a:hover { color: var(--text); }

main { max-width: 1080px; margin: 0 auto; padding: 0 28px 60px; }
section { padding: 56px 0; border-top: 1px solid var(--border); }
section:first-child { border-top: 0; }

.hero { text-align: center; padding-top: 72px; }
.hero-icon { border-radius: 24px; box-shadow: 0 20px 40px rgba(0,0,0,0.6); }
.hero h1 { font-size: 56px; margin: 22px 0 10px; letter-spacing: -0.03em; font-weight: 700; }
.lead { color: var(--text-dim); font-size: 19px; max-width: 620px; margin: 0 auto 34px; line-height: 1.5; }

.downloads { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.btn {
  display: inline-grid; grid-template-columns: auto 1fr; grid-template-rows: auto auto; column-gap: 12px; align-items: center;
  text-align: left; padding: 14px 22px; min-width: 260px; border-radius: 14px;
  background: var(--surface); border: 1px solid var(--glass-border); transition: background .15s, border-color .15s, transform .15s;
}
.btn svg { grid-row: 1 / span 2; }
.btn span { font-weight: 600; font-size: 15px; }
.btn small { color: var(--text-dim); font-size: 12px; }
.btn:hover { background: var(--surface-hover); border-color: var(--glass-border-hover); transform: translateY(-1px); }
.btn.primary { background: var(--primary); color: var(--primary-fg); border-color: transparent; }
.btn.primary small { color: rgba(0,0,0,0.6); }
.btn.primary:hover { background: var(--primary-hover); }
.btn[aria-disabled="true"] { opacity: 0.5; pointer-events: none; }
.version { color: var(--text-muted); font-size: 13px; margin-top: 22px; }

h2 { font-size: 28px; letter-spacing: -0.02em; margin: 0 0 10px; }
.intro { color: var(--text-dim); max-width: 640px; margin: 0 0 28px; line-height: 1.55; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; }
.cards.two { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.card { background: var(--panel); border: 1px solid var(--glass-border); border-radius: var(--radius); padding: 22px 22px 18px; }
.card h3 { margin: 0 0 8px; font-size: 14px; letter-spacing: 0.12em; color: var(--text-dim); font-weight: 600; }
.card p { margin: 0; line-height: 1.55; font-size: 15px; }
.card ol { margin: 8px 0 0; padding-left: 20px; line-height: 1.6; font-size: 15px; color: var(--text); }
.card li + li { margin-top: 6px; }
.notes { margin-top: 18px; color: var(--text-dim); font-size: 14px; line-height: 1.6; }
.notes strong { color: var(--text); font-weight: 600; }

footer { max-width: 1080px; margin: 0 auto; padding: 22px 28px 40px; display: flex; justify-content: space-between; color: var(--text-muted); font-size: 13px; border-top: 1px solid var(--border); }
footer a:hover { color: var(--text); }

@media (max-width: 600px) {
  .hero h1 { font-size: 42px; }
  .top nav { display: none; }
  .btn { width: 100%; }
}