/* Shared styles for static doc pages (legal, guide, how-it-works, about).
   Palette matches landing.html so these feel like the same product, not a bolted-on wiki. */
:root {
  --bg: #0a0d11; --bg-raise: #0f1318; --bg-panel: #141a21;
  --glass: rgba(255,255,255,0.035); --glass-border: rgba(255,255,255,0.09);
  --line: #232b34; --text: #eef3f7; --dim: #8d9aa8; --dim2: #5f6b78;
  --accent: #35d99a; --accent2: #4fc3ff; --warn: #f0b84e; --danger: #ff6b6b;
  --mono: "Cascadia Code", "JetBrains Mono", Consolas, monospace;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg); color: var(--text); font-family: "Segoe UI", system-ui, sans-serif; line-height: 1.65;
}
.wrap { max-width: 880px; margin: 0 auto; padding: 0 24px; }
.glass { background: var(--glass); border: 1px solid var(--glass-border); backdrop-filter: blur(18px) saturate(140%); -webkit-backdrop-filter: blur(18px) saturate(140%); }

/* ---------- nav (same shape as landing.html) ---------- */
nav.topnav { position: sticky; top: 0; z-index: 50; display: flex; align-items: center; gap: 28px; padding: 16px 24px; margin: 0 auto; max-width: 1080px; }
nav.topnav .inner { display: flex; align-items: center; gap: 28px; width: 100%; padding: 10px 20px; border-radius: 16px; background: var(--bg-raise); border: 1px solid var(--glass-border); }
.logo { display: flex; align-items: center; gap: 8px; font-weight: 800; font-size: 17px; text-decoration: none; color: var(--text); }
.logo .mark { width: 22px; height: 22px; display: inline-block; }
.logo span { color: var(--accent); }
.nav-links { display: flex; gap: 22px; font-size: 13.5px; flex-wrap: wrap; }
.nav-links a { color: var(--dim); text-decoration: none; transition: color 0.2s; }
.nav-links a:hover, .nav-links a.active { color: var(--text); }
nav .cta { margin-left: auto; }
.btn { display: inline-block; padding: 10px 20px; border-radius: 11px; font-size: 13.5px; font-weight: 600; text-decoration: none; border: 1px solid var(--glass-border); color: var(--text); background: var(--glass); transition: transform 0.2s, border-color 0.2s; white-space: nowrap; }
.btn:hover { transform: translateY(-2px); border-color: rgba(53,217,154,0.4); }
.btn.primary { background: linear-gradient(135deg, var(--accent), #22b88a); border-color: transparent; color: #04180f; font-weight: 700; }

/* ---------- doc header ---------- */
.doc-hero { padding: 48px 0 12px; }
.doc-kicker { display: inline-flex; align-items: center; gap: 8px; padding: 5px 13px; border-radius: 100px; font-size: 11.5px; font-weight: 700; letter-spacing: 0.4px; text-transform: uppercase; color: var(--accent); margin-bottom: 16px; }
.doc-kicker .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 10px var(--accent); }
.doc-hero h1 { font-size: clamp(26px, 4vw, 38px); font-weight: 800; letter-spacing: -0.01em; margin-bottom: 10px; }
.doc-hero .meta { color: var(--dim); font-size: 13.5px; }
.doc-hero p.lead { color: var(--dim); font-size: 16px; max-width: 640px; margin-top: 14px; }

/* ---------- table of contents ---------- */
.toc { border-radius: 14px; padding: 18px 20px; margin: 28px 0 36px; }
.toc h2 { font-size: 12px; text-transform: uppercase; letter-spacing: 0.6px; color: var(--dim); margin-bottom: 10px; }
.toc ol { list-style: none; display: grid; grid-template-columns: 1fr 1fr; gap: 6px 20px; counter-reset: toc; }
.toc li { counter-increment: toc; font-size: 13.5px; }
.toc li::before { content: counter(toc) ". "; color: var(--accent); font-weight: 700; }
.toc a { color: var(--text); text-decoration: none; }
.toc a:hover { color: var(--accent); }
@media (max-width: 620px) { .toc ol { grid-template-columns: 1fr; } }

/* ---------- article body ---------- */
article { padding-bottom: 60px; }
article section { padding: 28px 0; border-top: 1px solid var(--line); }
article section:first-of-type { border-top: none; }
article h2 { font-size: 21px; font-weight: 800; margin-bottom: 12px; letter-spacing: -0.01em; }
article h2 .num { color: var(--accent); font-family: var(--mono); font-size: 16px; margin-right: 8px; }
article h3 { font-size: 15.5px; font-weight: 700; margin: 18px 0 8px; }
article p { color: var(--dim); font-size: 14.5px; margin-bottom: 12px; max-width: 720px; }
article p strong, article li strong { color: var(--text); }
article ul, article ol.plain { margin: 10px 0 14px 0; padding-left: 22px; color: var(--dim); font-size: 14.5px; }
article ul li, article ol.plain li { margin-bottom: 6px; }
article a { color: var(--accent2); }
article code { font-family: var(--mono); font-size: 12.5px; background: var(--bg-panel); border: 1px solid var(--line); border-radius: 5px; padding: 1px 6px; color: #cfe3d8; }

.callout { border-radius: 12px; padding: 16px 18px; margin: 14px 0; font-size: 14px; color: var(--text); }
.callout.summary { border-left: 3px solid var(--accent); }
.callout.warn { border-left: 3px solid var(--warn); }
.callout .cal-label { font-weight: 700; font-size: 11.5px; text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 6px; color: var(--dim); }

/* ---------- step cards (how-it-works, guide) ---------- */
.steps { display: flex; flex-direction: column; gap: 16px; margin: 20px 0; }
.step { display: flex; gap: 18px; border-radius: 14px; padding: 20px 22px; }
.step .stepnum { flex-shrink: 0; width: 34px; height: 34px; border-radius: 10px; background: var(--bg-panel); border: 1px solid var(--line); display: flex; align-items: center; justify-content: center; font-family: var(--mono); font-weight: 700; color: var(--accent); font-size: 14px; }
.step h3 { margin: 0 0 6px; font-size: 16px; }
.step p { margin: 0; }

/* ---------- info grid (about page) ---------- */
.info-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; margin: 20px 0; }
.info-card { border-radius: 14px; padding: 20px; }
.info-card .ic { font-size: 22px; margin-bottom: 10px; }
.info-card h3 { font-size: 14.5px; margin-bottom: 6px; }
.info-card p { font-size: 13px; margin: 0; }

/* ---------- blog ---------- */
.blog-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; margin: 24px 0; }
.blog-card { display: block; border-radius: 14px; padding: 22px; text-decoration: none; color: var(--text); transition: transform 0.25s cubic-bezier(.2,.8,.2,1), border-color 0.25s; }
.blog-card:hover { transform: translateY(-3px); border-color: rgba(53,217,154,0.4); }
.blog-card .b-tag { display: inline-block; font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; color: var(--accent); margin-bottom: 10px; }
.blog-card h3 { font-size: 17px; margin-bottom: 8px; line-height: 1.35; }
.blog-card p { color: var(--dim); font-size: 13.5px; margin: 0; }
.blog-card .b-meta { margin-top: 14px; font-size: 11.5px; color: var(--dim2); }
.post-meta { color: var(--dim); font-size: 12.5px; margin-top: 6px; }
.post-sources { font-size: 12.5px; color: var(--dim); margin-top: 8px; }
.post-sources a { color: var(--accent2); }
.back-to-blog { display: inline-block; margin-top: 30px; font-size: 13px; color: var(--accent2); text-decoration: none; }

/* ---------- footer (same as landing.html) ---------- */
footer { border-top: 1px solid var(--line); padding: 36px 0 44px; color: var(--dim); font-size: 13px; margin-top: 20px; }
footer .foot-wrap { display: flex; flex-direction: column; align-items: center; gap: 12px; text-align: center; }
footer .foot-links { display: flex; gap: 20px; flex-wrap: wrap; justify-content: center; }
footer a { color: var(--dim); text-decoration: none; transition: color 0.2s; }
footer a:hover { color: var(--accent); }
footer .foot-legal { font-size: 12px; color: var(--dim2); }