/* Web de Trazo (trazochinese.com): misma identidad que la app, papel, tinta y sello. Sin dependencias externas. */
:root {
  --paper: #f6f2ea; --surface: #fffdf8; --ink: #1f1b16; --ink-2: #4a433a; --ink-3: #7a7166; --seal: #df4e35; --line: #e4dccf;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root { --paper: #13110e; --surface: #1c1915; --ink: #f2ece2; --ink-2: #cfc6b8; --ink-3: #9a9184; --line: #2e2a24; }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--seal); text-underline-offset: 3px; }
.wrap { max-width: 760px; margin: 0 auto; padding: 32px 22px 56px; }
header.top { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 40px; }
.brand { display: flex; align-items: center; gap: 12px; color: var(--ink); text-decoration: none; font-weight: 700; font-size: 20px; }
.seal { width: 40px; height: 40px; border-radius: 9px; background: var(--seal); color: #fff; display: grid; place-items: center; font: 24px/1 "Kaiti SC", "STKaiti", "KaiTi", serif; box-shadow: inset 0 0 0 3px var(--seal), inset 0 0 0 5px #fff; }
nav.lang a { color: var(--ink-3); text-decoration: none; font-size: 15px; }
h1 { font-size: clamp(32px, 6vw, 48px); line-height: 1.15; margin: 0 0 16px; letter-spacing: -0.02em; }
h2 { font-size: 22px; margin: 36px 0 8px; }
p.lead { font-size: 20px; color: var(--ink-2); margin: 0 0 28px; }
.badge { display: inline-block; padding: 10px 18px; border-radius: 999px; background: var(--ink); color: var(--paper); font-weight: 600; text-decoration: none; }
.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 14px; margin: 40px 0; }
.feature { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 18px; }
.feature b { display: block; margin-bottom: 4px; }
.feature span { color: var(--ink-2); font-size: 15px; }
.legal h2 { font-size: 19px; }
.legal p, .legal li { color: var(--ink-2); }
.muted { color: var(--ink-3); font-size: 15px; }
footer { margin-top: 56px; padding-top: 20px; border-top: 1px solid var(--line); color: var(--ink-3); font-size: 15px; display: flex; flex-wrap: wrap; gap: 8px 18px; }
footer a { color: var(--ink-3); }