:root{
  --bg:#0f1117; --panel:#171a23; --line:#262b38; --text:#e8eaf0;
  --muted:#9aa3b2; --brand:#ff6a3d; --brand2:#ffd23d; --card:#1b1f2a;
  --radius:14px; --max:1080px;
  --font:'Inter',system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font);line-height:1.65;font-size:17px}
a{color:var(--brand)}
img{max-width:100%}
.container{max-width:var(--max);margin:0 auto;padding:0 20px}

/* header */
.site-header{position:sticky;top:0;z-index:20;background:rgba(15,17,23,.85);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{font-weight:800;font-size:20px;letter-spacing:-.02em;text-decoration:none;color:var(--text);display:flex;gap:8px;align-items:center}
.brand .dot{width:12px;height:12px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--brand2))}
.nav-links a{color:var(--muted);text-decoration:none;margin-left:22px;font-weight:500;font-size:15px}
.nav-links a:hover{color:var(--text)}

/* hero */
.hero{padding:72px 0 48px;text-align:center;background:radial-gradient(1200px 400px at 50% -10%,rgba(255,106,61,.18),transparent)}
.hero h1{font-size:clamp(30px,5vw,52px);line-height:1.1;letter-spacing:-.03em;margin:0 0 14px;font-weight:800}
.hero p{color:var(--muted);font-size:19px;max-width:620px;margin:0 auto 26px}
.btn{display:inline-block;background:linear-gradient(135deg,var(--brand),#ff8a5d);color:#fff;text-decoration:none;
  padding:13px 22px;border-radius:999px;font-weight:700;border:0;cursor:pointer;font-size:16px}
.btn.secondary{background:transparent;border:1px solid var(--line);color:var(--text)}
.btn:hover{filter:brightness(1.05)}

/* grid */
.section{padding:44px 0}
.section h2{font-size:26px;letter-spacing:-.02em;margin:0 0 6px}
.section .sub{color:var(--muted);margin:0 0 26px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;text-decoration:none;color:var(--text);transition:transform .15s,border-color .15s}
.card:hover{transform:translateY(-3px);border-color:#3a4256}
.card-img{height:150px;background:#222839 center/cover no-repeat}
.card-body{padding:16px}
.tag{display:inline-block;font-size:12px;font-weight:700;color:var(--brand2);text-transform:uppercase;letter-spacing:.06em;margin-bottom:8px}
.card h3{margin:0 0 8px;font-size:18px;line-height:1.3}
.card p{margin:0 0 12px;color:var(--muted);font-size:15px}
.read{color:var(--brand);font-weight:600;font-size:14px}

/* article */
.article{max-width:760px;margin:0 auto;padding:40px 20px 80px}
.article h1{font-size:clamp(26px,4vw,40px);line-height:1.15;letter-spacing:-.02em;margin:0 0 10px}
.article .meta{color:var(--muted);font-size:14px;margin-bottom:20px}
.article h2{font-size:24px;margin:38px 0 12px;letter-spacing:-.01em}
.article p{color:#d3d8e3}
.disclosure{background:#1d2130;border:1px solid var(--line);border-left:3px solid var(--brand);
  padding:12px 16px;border-radius:8px;font-size:14px;color:var(--muted);margin:0 0 28px}

/* product box */
.product{display:flex;gap:16px;align-items:center;background:var(--panel);border:1px solid var(--line);
  border-radius:var(--radius);padding:18px;margin:20px 0}
.product .rank{font-size:28px;font-weight:800;color:var(--brand2);min-width:36px;text-align:center}
.product .info{flex:1}
.product .info h3{margin:0 0 4px;font-size:18px}
.product .info .row{color:var(--muted);font-size:14px;display:flex;gap:14px;flex-wrap:wrap}
.product .note{color:var(--brand2);font-weight:600}
.product .cta{white-space:nowrap}
.product .cta .btn{padding:11px 18px;font-size:15px}

/* comparison table */
table.compare{width:100%;border-collapse:collapse;margin:22px 0;font-size:15px}
table.compare th,table.compare td{border:1px solid var(--line);padding:10px 12px;text-align:left}
table.compare th{background:var(--panel);font-weight:700}

/* footer */
.site-footer{border-top:1px solid var(--line);padding:36px 0;color:var(--muted);font-size:14px}
.site-footer a{color:var(--muted)}
.site-footer .cols{display:flex;justify-content:space-between;flex-wrap:wrap;gap:20px}

@media(max-width:560px){
  .nav-links a{margin-left:14px}
  .product{flex-direction:column;text-align:center}
  .product .cta{width:100%}
  .product .cta .btn{width:100%}
}