:root{--ink:#10231c;--muted:#60706a;--bg:#f4f7f5;--card:#fff;--line:#dce5e0;--accent:#126c4c;--accent2:#e6f4ee;--warn:#fff7dc}
*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Arial,sans-serif;background:var(--bg);color:var(--ink);line-height:1.68}
a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.wrap{max-width:1160px;margin:auto;padding:0 22px}
header{background:#0d211a;color:#fff;position:sticky;top:0;z-index:5}.top{display:flex;align-items:center;justify-content:space-between;gap:25px;padding:17px 0}.brand{font-weight:900;font-size:22px;letter-spacing:-.5px;color:#fff}.brand small{font-weight:500;opacity:.7;margin-left:7px}.nav{display:flex;gap:17px;flex-wrap:wrap}.nav a{color:#dcebe4;font-size:14px}
.hero{padding:64px 0 38px;background:linear-gradient(135deg,#e7f5ef,#f8fbf9)}.eyebrow{font-weight:800;color:var(--accent);text-transform:uppercase;font-size:12px;letter-spacing:1.2px}
h1{font-size:clamp(36px,5vw,64px);line-height:1.02;letter-spacing:-2px;margin:10px 0 18px;max-width:900px}h2{font-size:30px;line-height:1.15;margin-top:44px;letter-spacing:-.7px}h3{font-size:21px;margin-top:28px}
.lead{font-size:20px;color:#385047;max-width:820px}.grid{display:grid;grid-template-columns:2.1fr .9fr;gap:34px;padding:36px 0 70px}.card,.note,.toc{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:24px;box-shadow:0 6px 20px rgba(20,50,40,.04)}
.note{background:var(--warn)}.toc ul,.side ul{padding-left:20px}.side{position:sticky;top:90px;align-self:start}.meta{color:var(--muted);font-size:14px}.check{background:var(--accent2);border-left:4px solid var(--accent);padding:16px 18px;border-radius:8px;margin:24px 0}
table{width:100%;border-collapse:collapse;margin:22px 0;background:white}th,td{padding:13px;border:1px solid var(--line);text-align:left;vertical-align:top}th{background:#edf5f1}
footer{background:#0d211a;color:#cfe0d8;padding:42px 0}.footgrid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px}.footer a{color:#fff}
.badge{display:inline-block;background:#dff1e9;color:#0b5c40;padding:5px 10px;border-radius:999px;font-size:12px;font-weight:800}
@media(max-width:800px){.grid,.footgrid{grid-template-columns:1fr}.side{position:static}.nav{display:none}h1{letter-spacing:-1px}.wrap{padding:0 16px}}