:root{
  --bg:#0b0e14;--panel:#121722;--panel2:#171e2b;--text:#f5f7fb;--muted:#aab3c2;
  --accent:#ff5b43;--accent2:#55cfe7;--line:#2a3344;--soft:#f5f3ef;--ink:#171a20;
  --max:1160px;--radius:18px;--shadow:0 18px 50px rgba(0,0,0,.28)
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--text);line-height:1.65}
a{color:inherit}.wrap{width:min(var(--max),calc(100% - 34px));margin:auto}
.site-header{position:sticky;top:0;z-index:50;background:rgba(11,14,20,.93);backdrop-filter:blur(12px);border-bottom:1px solid rgba(255,255,255,.08)}
.header-row{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:850;letter-spacing:-.02em}
.logo-mark{width:34px;height:27px;border:2px solid var(--text);border-radius:5px;position:relative;display:inline-block}
.logo-mark:after{content:"";position:absolute;left:7px;right:7px;bottom:-7px;height:2px;background:var(--accent)}
nav{display:flex;gap:18px;align-items:center}nav a{text-decoration:none;color:#d7dce6;font-weight:650;font-size:.95rem}nav a:hover{color:#fff}
.nav-cta{background:var(--accent);padding:9px 14px;border-radius:999px;color:#fff!important}
.hero{padding:68px 0 46px;background:radial-gradient(circle at 82% 14%,rgba(85,207,231,.16),transparent 28%),radial-gradient(circle at 10% 32%,rgba(255,91,67,.12),transparent 32%)}
.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:46px;align-items:center}
.eyebrow{color:var(--accent2);font-size:.8rem;font-weight:850;letter-spacing:.14em;text-transform:uppercase}
h1,h2,h3{line-height:1.1;letter-spacing:-.035em}h1{font-size:clamp(2.5rem,5.6vw,5rem);margin:.15em 0 .24em}h2{font-size:clamp(1.8rem,3.8vw,3rem);margin:.35em 0 .45em}h3{font-size:1.25rem}
.lede{font-size:1.18rem;color:#c4ccd9;max-width:66ch}
.hero-img{background:#fff;border-radius:24px;padding:12px;box-shadow:var(--shadow);overflow:hidden}
.hero-img img{display:block;width:100%;border-radius:16px;aspect-ratio:1/1;object-fit:contain}
.cta-row{display:flex;gap:12px;flex-wrap:wrap;margin:26px 0 10px}
.btn{display:inline-flex;align-items:center;justify-content:center;text-decoration:none;font-weight:850;border-radius:12px;padding:13px 18px;transition:.2s transform,.2s opacity;border:1px solid transparent}
.btn:hover{transform:translateY(-1px)}.btn-primary{background:var(--accent);color:#fff}.btn-secondary{border-color:#3d4759;color:#fff;background:#131925}
.micro{font-size:.8rem;color:#8f99a9}
.trust-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:28px}
.trust-strip div{padding:12px 10px;border:1px solid var(--line);border-radius:12px;background:rgba(255,255,255,.025);text-align:center;font-size:.9rem}
.light{background:var(--soft);color:var(--ink);padding:68px 0}.dark{padding:68px 0}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.card{background:#fff;border:1px solid #e3e0d9;border-radius:var(--radius);padding:23px;box-shadow:0 8px 22px rgba(0,0,0,.05)}
.card.dark-card{background:var(--panel);border-color:var(--line);box-shadow:none}
.card h3{margin-top:0}.card p:last-child{margin-bottom:0}.card a.internal{font-weight:800;color:#bd3524;text-decoration:none}
.specs{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.spec{padding:17px;border-radius:14px;background:var(--panel2);border:1px solid var(--line)}.spec strong{display:block;font-size:1.25rem}.spec span{color:var(--muted);font-size:.9rem}
.article-shell{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:38px;align-items:start;padding:54px 0 70px}
.article{background:var(--soft);color:var(--ink);padding:34px;border-radius:22px}.article h1{font-size:clamp(2.25rem,5vw,4.25rem)}.article h2{margin-top:1.25em}.article p,.article li{font-size:1.04rem}
.article img.inline-product{display:block;width:min(100%,760px);margin:28px auto;border-radius:18px;background:white;padding:10px;border:1px solid #ddd8ce}
.notice{border-left:4px solid var(--accent);padding:14px 16px;background:#fff5f1;border-radius:0 12px 12px 0}
.takeaway{background:#eaf8fb;border:1px solid #c7eaf1;padding:18px;border-radius:14px}
.sidebar{position:sticky;top:98px}.sidebox{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:20px}.sidebox img{width:100%;border-radius:12px;background:#fff}.sidebox ul{padding-left:18px;color:#c6ced9}.sidebox .btn{width:100%}
table{width:100%;border-collapse:collapse;margin:18px 0;font-size:.95rem}th,td{padding:12px;border-bottom:1px solid #d9d5cd;text-align:left;vertical-align:top}th{background:#ece9e2}
.breadcrumbs{font-size:.82rem;color:#9aa5b4;margin-bottom:12px}.breadcrumbs a{text-decoration:none;color:#9aa5b4}
.author-note{color:#596170;font-size:.9rem;border-bottom:1px solid #d9d5cd;padding-bottom:16px;margin-bottom:22px}
.related{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:26px}.related a{display:block;padding:15px;border-radius:12px;background:#fff;border:1px solid #ddd8ce;text-decoration:none;font-weight:750}
footer{border-top:1px solid var(--line);padding:42px 0 90px;color:#aeb7c6}.footgrid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:24px}.footlinks a{display:block;color:#c9d0dc;text-decoration:none;margin:6px 0}
.disclosure{font-size:.82rem;color:#8f99a9;max-width:72ch}
.popup-backdrop{position:fixed;inset:0;background:rgba(3,5,8,.66);display:none;z-index:100;align-items:center;justify-content:center;padding:18px}
.popup-backdrop.show{display:flex}.popup{width:min(760px,96vw);background:var(--soft);color:var(--ink);border-radius:22px;box-shadow:0 30px 80px rgba(0,0,0,.5);display:grid;grid-template-columns:1fr 1fr;overflow:hidden;position:relative}
.popup img{width:100%;height:100%;object-fit:contain;background:#fff}.popup-copy{padding:30px}.popup-close{position:absolute;right:12px;top:10px;border:0;background:#fff;border-radius:999px;width:34px;height:34px;font-size:20px;cursor:pointer}
.mobile-cta{display:none;position:fixed;left:12px;right:12px;bottom:12px;z-index:70;background:var(--accent);color:#fff;text-align:center;text-decoration:none;font-weight:900;padding:14px;border-radius:14px;box-shadow:var(--shadow)}
.faq details{background:#fff;border:1px solid #dedad2;border-radius:12px;padding:14px 16px;margin:10px 0}.faq summary{font-weight:800;cursor:pointer}
.kicker{display:inline-flex;gap:7px;align-items:center;background:#1b2532;border:1px solid #2d3c50;padding:6px 10px;border-radius:999px;color:#caeef5;font-size:.8rem;font-weight:800}
@media(max-width:900px){nav a:not(.nav-cta){display:none}.hero-grid,.article-shell,.popup{grid-template-columns:1fr}.article-shell{gap:20px}.sidebar{position:static}.grid3,.specs{grid-template-columns:repeat(2,1fr)}.trust-strip{grid-template-columns:repeat(2,1fr)}.footgrid{grid-template-columns:1fr 1fr}.popup img{max-height:260px}.mobile-cta{display:block}}
@media(max-width:620px){.wrap{width:min(100% - 22px,var(--max))}.hero{padding-top:42px}.grid3,.grid2,.specs,.related,.footgrid{grid-template-columns:1fr}.article{padding:22px}.header-row{min-height:64px}.brand{font-size:.95rem}.nav-cta{font-size:.82rem;padding:8px 10px}h1{font-size:2.35rem}}