:root {
  --bg: #fbf5ec;
  --surface: #ffffff;
  --surface-alt: #f3e6d6;
  --text: #2b1b17;
  --muted: #5e4a43;
  --accent: #a93a24;
  --accent-hover: #8a2d1a;
  --accent-text: #ffffff;
  --link: #8e2f3f;
  --border: #e6d5c2;
  --warn-bg: #fff1d6;
  --warn-border: #d99a2b;
  --shadow: 0 1px 2px rgba(74, 34, 20, .08), 0 8px 24px rgba(74, 34, 20, .08);
  --radius: 16px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1e1512;
    --surface: #2a1e1a;
    --surface-alt: #34251f;
    --text: #f6ebdf;
    --muted: #cdb9ac;
    --accent: #e8735a;
    --accent-hover: #f08d76;
    --accent-text: #1e1512;
    --link: #f0a3ae;
    --border: #4a362e;
    --warn-bg: #3d2f15;
    --warn-border: #b8842a;
    --shadow: none;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 18px/1.65 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
main { flex: 1; }
.wrap { width: 100%; max-width: 1040px; margin: 0 auto; padding: 0 20px; }
.prose { max-width: 720px; }

a { color: var(--link); text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

.skip {
  position: absolute; left: 12px; top: -60px; z-index: 10;
  background: var(--accent); color: var(--accent-text);
  padding: 10px 16px; border-radius: 8px; text-decoration: none; font-weight: 600;
}
.skip:focus { top: 12px; }

/* Header / nav */
.site-header { border-bottom: 1px solid var(--border); background: var(--bg); }
.site-header .wrap { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px 24px; padding-top: 14px; padding-bottom: 14px; }
.brand { font-weight: 700; font-size: 1.15rem; color: var(--text); text-decoration: none; letter-spacing: .01em; }
.brand span { color: var(--accent); }
header nav ul { display: flex; flex-wrap: wrap; gap: 4px 6px; list-style: none; margin: 0; padding: 0; }
header nav a {
  display: inline-block; padding: 10px 14px; border-radius: 999px;
  color: var(--text); text-decoration: none; font-weight: 600; font-size: .95rem;
}
header nav a:hover { background: var(--surface-alt); }
header nav a[aria-current="page"] { background: var(--accent); color: var(--accent-text); }

/* Type */
h1 { font-size: clamp(2rem, 6vw, 3.1rem); line-height: 1.15; margin: 0 0 .5em; letter-spacing: -.01em; }
h2 { font-size: clamp(1.4rem, 3.5vw, 1.75rem); line-height: 1.25; margin: 2.2em 0 .5em; }
h3 { font-size: 1.15rem; margin: 1.6em 0 .3em; }
p, ul, ol { margin: 0 0 1em; }
ul, ol { padding-left: 1.3em; }
li { margin-bottom: .4em; }
.lead { font-size: 1.2rem; color: var(--muted); }
.muted { color: var(--muted); }
.small { font-size: .9rem; }

/* Hero */
.hero { padding: 56px 0 40px; }
.hero .eyebrow { text-transform: uppercase; letter-spacing: .12em; font-weight: 700; font-size: .8rem; color: var(--accent); margin: 0 0 12px; }
.app-hero { display: flex; flex-wrap: wrap; align-items: center; gap: 28px; padding: 48px 0 24px; }
.app-icon { width: 128px; height: 128px; border-radius: 28px; box-shadow: var(--shadow); flex: none; }
.app-hero h1 { margin-bottom: .2em; }
.badge {
  display: inline-block; background: var(--warn-bg); color: var(--text);
  border: 1px solid var(--warn-border); border-radius: 999px;
  padding: 4px 14px; font-weight: 700; font-size: .95rem;
}
.btn {
  display: inline-block; background: var(--accent); color: var(--accent-text);
  padding: 13px 24px; border-radius: 999px; font-weight: 700; text-decoration: none;
}
.btn:hover { background: var(--accent-hover); }

/* Cards */
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 24px; box-shadow: var(--shadow);
}
.card-link { display: flex; flex-wrap: wrap; gap: 20px; align-items: center; color: inherit; text-decoration: none; }
.card-link:hover { border-color: var(--accent); }
.card-link .app-icon { width: 88px; height: 88px; border-radius: 20px; box-shadow: none; }
.card-link h3 { margin: 0 0 .15em; font-size: 1.35rem; }
.card-link p { margin: 0; color: var(--muted); }
.grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); margin: 24px 0 8px; }
.grid .card h3 { margin-top: 0; }
.grid .card p:last-child { margin-bottom: 0; }

.notice {
  background: var(--warn-bg); border: 1px solid var(--warn-border); border-left-width: 6px;
  border-radius: 12px; padding: 16px 20px; margin: 1.4em 0;
}
.notice p:last-child { margin-bottom: 0; }

.section { padding: 8px 0 24px; }
.page-title { padding: 40px 0 0; }
.meta { color: var(--muted); font-size: .95rem; margin-bottom: 1.6em; }
.toc { background: var(--surface-alt); border-radius: 12px; padding: 16px 22px; margin: 0 0 2em; }
.toc ul { margin: 0; list-style: none; padding: 0; }
.toc li { margin: 0; }
.toc a { display: inline-block; padding: 6px 0; }

/* Footer */
.site-footer { border-top: 1px solid var(--border); margin-top: 48px; padding: 28px 0 40px; color: var(--muted); font-size: .92rem; }
.site-footer ul { list-style: none; padding: 0; margin: 0 0 12px; display: flex; flex-wrap: wrap; gap: 4px 20px; }
.site-footer a { display: inline-block; padding: 6px 0; }
.site-footer p { margin: 0 0 .4em; }

@media (max-width: 520px) {
  body { font-size: 17px; }
  .hero { padding-top: 36px; }
  .app-hero { padding-top: 32px; gap: 20px; }
  .app-icon { width: 96px; height: 96px; border-radius: 22px; }
  header nav a { padding: 10px 12px; }
  .card { padding: 20px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

/* spacing helpers (no inline styles: the site's CSP forbids them) */
.mt0 { margin-top: 0; }
.mt-s { margin-top: .5em; }
.tight { margin-bottom: .6em; }
.flush { margin: 0; }