:root{color-scheme:light dark;--bg:#0d0d0f;--panel:#17171b;--text:#f4f4f5;--muted:#a8a8b0;--accent:#ff6a00;--line:#2a2a31}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--text);line-height:1.6}main{width:min(760px,calc(100% - 32px));margin:0 auto;padding:56px 0 72px}header{margin-bottom:40px}.brand{color:var(--accent);font-weight:800;letter-spacing:.08em;text-transform:uppercase}h1{margin:8px 0 12px;font-size:clamp(2rem,6vw,3.5rem);line-height:1.1}h2{margin-top:36px;font-size:1.25rem}p,li{color:var(--muted)}.card{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:24px;margin:22px 0}nav{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.button{display:inline-block;padding:10px 14px;border:1px solid var(--accent);border-radius:10px;font-weight:650}footer{margin-top:52px;padding-top:22px;border-top:1px solid var(--line);color:var(--muted);font-size:.92rem}@media(prefers-color-scheme:light){:root{--bg:#f7f7f8;--panel:#fff;--text:#151518;--muted:#5f5f68;--line:#dddde3}}