:root{--ink:#0f172a;--ink2:#334155;--muted:#64748b;--line:#e2e8f0;--bg:#f8fafc;--accent:#f97316;--accent2:#c2410c}
*{box-sizing:border-box}
body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.7;font-size:18px}
a{color:var(--accent2)}
.wrap{max-width:1080px;margin:0 auto;padding:0 22px}
nav{position:sticky;top:0;background:rgba(255,255,255,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);z-index:10}
nav .wrap{display:flex;align-items:center;justify-content:space-between;height:60px;gap:12px}
.logo{font-weight:800;letter-spacing:-.02em;color:var(--ink);text-decoration:none;font-size:16px}.logo span{color:var(--accent)}
.navlinks{display:flex;gap:18px;align-items:center}
.navlinks a.plain{color:var(--ink2);text-decoration:none;font-size:15px;font-weight:600}
.btn{display:inline-block;background:var(--accent);color:#fff;font-weight:700;text-decoration:none;padding:13px 22px;border-radius:10px;font-size:16px;line-height:1.3}
.btn:hover{background:var(--accent2)}
.btn.small{padding:8px 14px;font-size:14px}
article{max-width:740px;margin:0 auto;padding:44px 22px 30px}
.crumbs{font-size:14px;color:var(--muted);margin-bottom:12px}.crumbs a{color:var(--muted)}
article h1{font-size:clamp(30px,4.6vw,44px);line-height:1.13;letter-spacing:-.025em;margin:0 0 14px}
.meta{color:var(--muted);font-size:15px;margin-bottom:28px}
article h2{font-size:27px;line-height:1.25;letter-spacing:-.015em;margin:44px 0 12px}
article h3{font-size:21px;margin:30px 0 8px}
article p,article li{color:var(--ink2)}
article li{margin:6px 0}
article blockquote{margin:22px 0;padding:14px 20px;border-left:4px solid var(--accent);background:#fff7ed;border-radius:0 10px 10px 0}
article blockquote p{margin:6px 0;color:var(--ink)}
article table{width:100%;border-collapse:collapse;font-size:15.5px;margin:20px 0;display:block;overflow-x:auto}
article th,article td{border:1px solid var(--line);padding:9px 11px;text-align:left;vertical-align:top}
article th{background:var(--bg)}
article pre{background:#0f172a;color:#e2e8f0;padding:16px 18px;border-radius:10px;overflow-x:auto;font-size:14px;line-height:1.55}
article code{font-size:.9em;background:#f1f5f9;padding:2px 5px;border-radius:5px}
article pre code{background:none;padding:0}
ul.check{list-style:none;padding-left:0}
ul.check li{padding-left:30px;position:relative}
ul.check li:before{content:"";position:absolute;left:0;top:7px;width:17px;height:17px;border:2px solid var(--accent);border-radius:5px}
.cta-box{border:1px solid #fed7aa;background:linear-gradient(135deg,#fff7ed,#fff);border-radius:16px;padding:24px 26px;margin:36px 0}
.cta-box h3{margin:0 0 6px;font-size:21px}
.cta-box p{margin:0 0 14px}
.cta-box.dark{background:linear-gradient(135deg,#0f172a,#1e293b);border:0;color:#fff}
.cta-box.dark p{color:#cbd5e1}
.cta-box .fine{font-size:13px;color:var(--muted);margin:12px 0 0}
.cta-box.dark .fine{color:#94a3b8}
.related{max-width:740px;margin:0 auto;padding:0 22px 50px}
.related h2{font-size:22px}
.related ul{padding-left:20px}
.posts{max-width:820px;margin:0 auto;padding:44px 22px 60px}
.post-card{display:block;border:1px solid var(--line);border-radius:14px;padding:22px 24px;margin:0 0 16px;text-decoration:none;color:var(--ink)}
.post-card:hover{border-color:var(--accent)}
.post-card h2{font-size:21px;margin:0 0 6px;line-height:1.3}
.post-card p{margin:0;color:var(--ink2);font-size:16px}
footer{background:var(--ink);color:#94a3b8;padding:40px 0;font-size:14px;line-height:1.6}
footer a{color:#cbd5e1}
footer p{margin:6px 0}
@media(max-width:640px){body{font-size:17px}.navlinks a.plain{display:none}article h2{font-size:23px}}