:root {
  --bg: #f7f5f0;
  --surface: #ffffff;
  --text: #1f2421;
  --muted: #5d655f;
  --line: #e3dfd5;
  --accent: #2f6b55;
  --accent-ink: #ffffff;
  --stone-1: #8a9a8f;
  --stone-2: #6f8277;
  --stone-3: #4e6358;
  --radius: 14px;
  --max: 1080px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141816;
    --surface: #1c211e;
    --text: #e9ece8;
    --muted: #a3aca5;
    --line: #2c332e;
    --accent: #6fbf9c;
    --accent-ink: #0f1311;
    --stone-1: #9fb0a5;
    --stone-2: #7f9488;
    --stone-3: #5f766a;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.6 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
a { color: var(--accent); }
img, svg { max-width: 100%; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 20px; }

/* header */
.site-header { border-bottom: 1px solid var(--line); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font-weight: 700; font-size: 1.15rem; letter-spacing: .01em; }
.brand svg { width: 30px; height: 30px; }
.nav { display: flex; gap: 22px; }
.nav a { color: var(--muted); text-decoration: none; font-size: .95rem; }
.nav a:hover { color: var(--text); }
@media (max-width: 560px) { .nav { gap: 14px; } .nav a { font-size: .9rem; } }

/* hero */
.hero { padding: 88px 20px 72px; }
.hero h1 { font-size: clamp(2.1rem, 5vw, 3.4rem); line-height: 1.12; margin: 0 0 18px; letter-spacing: -.02em; max-width: 16ch; }
.hero p { font-size: 1.15rem; color: var(--muted); max-width: 56ch; margin: 0 0 30px; }
.btn { display: inline-block; background: var(--accent); color: var(--accent-ink); text-decoration: none; font-weight: 600; padding: 12px 22px; border-radius: 999px; }
.btn:hover { filter: brightness(1.08); }
.btn.ghost { background: transparent; color: var(--text); border: 1px solid var(--line); }
.hero .actions { display: flex; flex-wrap: wrap; gap: 12px; }

/* sections */
section { padding: 56px 0; }
section + section { border-top: 1px solid var(--line); }
h2 { font-size: 1.7rem; margin: 0 0 8px; letter-spacing: -.01em; }
.lead { color: var(--muted); margin: 0 0 32px; max-width: 60ch; }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 20px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; display: flex; flex-direction: column; }
.card .tag { font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); margin-bottom: 10px; }
.card h3 { margin: 0 0 8px; font-size: 1.2rem; }
.card p { margin: 0 0 20px; color: var(--muted); flex: 1; }
.card .price { font-weight: 600; margin-bottom: 14px; }
.card .btn { align-self: flex-start; padding: 9px 18px; font-size: .95rem; }
.card .btn[aria-disabled="true"] { background: var(--line); color: var(--muted); pointer-events: none; }

.about { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
@media (max-width: 760px) { .about { grid-template-columns: 1fr; } }
.facts { list-style: none; padding: 0; margin: 0; }
.facts li { padding: 12px 0; border-bottom: 1px solid var(--line); display: flex; justify-content: space-between; gap: 16px; }
.facts li span:first-child { color: var(--muted); }

/* legal pages */
.doc { max-width: 760px; padding: 56px 20px 72px; margin: 0 auto; }
.doc h1 { font-size: 2.1rem; margin: 0 0 6px; }
.doc .updated { color: var(--muted); margin: 0 0 32px; }
.doc h2 { font-size: 1.25rem; margin: 32px 0 8px; }

/* footer */
.site-footer { border-top: 1px solid var(--line); padding: 32px 0 40px; color: var(--muted); font-size: .92rem; }
.site-footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 18px; }
.site-footer a { color: var(--muted); }

/* logo stones */
.s1 { fill: var(--stone-1); } .s2 { fill: var(--stone-2); } .s3 { fill: var(--stone-3); }