:root { --ink:#16211d; --muted:#5d6862; --paper:#f7f5ef; --panel:#fff; --line:#dfe4dd; --deep:#14221d; --accent:#b98219; --blue:#1e6b8f; }
* { box-sizing: border-box; }
html { background: var(--paper); color: var(--ink); font-family: Arial, sans-serif; }
body { margin: 0; min-width: 320px; }
.topbar { align-items:center; background:var(--deep); color:#fff; display:flex; gap:18px; justify-content:space-between; min-height:66px; padding:0 max(18px, calc((100vw - 1120px)/2)); position:sticky; top:0; z-index:5; }
.brand { font-weight:800; text-decoration:none; }
nav { display:flex; flex-wrap:wrap; gap:8px; justify-content:flex-end; }
nav a { border:1px solid rgba(255,255,255,.22); border-radius:6px; color:#fff; font-size:13px; font-weight:700; padding:8px 10px; text-decoration:none; }
nav a:hover, nav a[aria-current="page"] { background:rgba(255,255,255,.12); }
main { margin:0 auto; max-width:1120px; padding:24px 18px 64px; }
.hero { background:linear-gradient(135deg, #13231d, #285a57); border-radius:8px; color:#fff; display:grid; gap:22px; grid-template-columns:minmax(0, 1.35fr) minmax(260px,.65fr); margin-bottom:20px; padding:clamp(28px,5vw,52px); }
.eyebrow { color:#f1c465; font-size:12px; font-weight:800; margin:0 0 12px; text-transform:uppercase; }
h1 { font-size:clamp(34px,5vw,58px); line-height:1; margin:0; }
.hero p { color:#edf5f1; font-size:clamp(17px,2vw,20px); line-height:1.6; max-width:760px; }
.panel { background:rgba(255,255,255,.10); border:1px solid rgba(255,255,255,.22); border-radius:8px; padding:18px; }
.metric { border-bottom:1px solid rgba(255,255,255,.18); display:flex; justify-content:space-between; gap:12px; padding:12px 0; }
.metric strong { color:#f1c465; }
.topic-grid, .section-grid { display:grid; gap:16px; grid-template-columns:repeat(auto-fit, minmax(240px,1fr)); }
.card, .section { background:var(--panel); border:1px solid var(--line); border-radius:8px; padding:22px; }
.card { color:inherit; text-decoration:none; }
.card strong { color:var(--blue); display:block; font-size:18px; margin-bottom:8px; }
.section h2 { font-size:24px; margin:0; }
.section p, .card span, .faq p { color:var(--muted); font-size:16px; line-height:1.65; }
.section-grid { margin-top:16px; }
.faq { margin-top:16px; }
details { border-top:1px solid var(--line); padding:14px 0; }
summary { cursor:pointer; font-weight:800; }
footer { color:var(--muted); margin:0 auto; max-width:1120px; padding:0 18px 40px; }
@media (max-width: 760px) { .topbar { align-items:flex-start; flex-direction:column; padding-bottom:14px; padding-top:14px; } .hero { grid-template-columns:1fr; } }