:root{--ink:#0f172a;--muted:#475569;--line:#e2e8f0;--bg:#f8fafc;--card:#fff;--brand:#0f766e;--brand-d:#115e59;--accent:#f59e0b;--radius:16px}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6}
a{color:var(--brand)}img{max-width:100%;height:auto;display:block}
.wrap{max-width:1100px;margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-999px}.skip:focus{left:10px;top:10px;background:#fff;padding:8px;z-index:9}
header.site{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.15rem;color:var(--ink);text-decoration:none;letter-spacing:-.01em}
.logo .mark{width:32px;height:32px;border-radius:9px;background:linear-gradient(135deg,var(--brand),#14b8a6);display:grid;place-items:center;color:#fff;font-size:.95rem}
nav a{margin-left:22px;color:var(--muted);text-decoration:none;font-weight:600}nav a:hover{color:var(--ink)}
.hero{padding:72px 0 48px;background:radial-gradient(1200px 400px at 80% -10%,#ccfbf1 0,transparent 60%),var(--bg)}
.hero h1{font-size:clamp(2rem,5vw,3.2rem);line-height:1.1;margin:0 0 16px;letter-spacing:-.02em;max-width:16ch}
.hero p{font-size:1.15rem;color:var(--muted);max-width:56ch;margin:0 0 28px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;border-radius:999px;font-weight:700;text-decoration:none;border:2px solid transparent;transition:.15s}
.btn-primary{background:var(--brand);color:#fff}.btn-primary:hover{background:var(--brand-d)}
.btn-ghost{border-color:var(--line);color:var(--ink);background:#fff}.btn-ghost:hover{border-color:var(--ink)}
section{padding:56px 0}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:24px}
.section-head h2{margin:0;font-size:1.8rem;letter-spacing:-.01em}.section-head p{margin:0;color:var(--muted)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:.15s}
.card:hover{box-shadow:0 12px 30px -12px rgba(15,23,42,.25);transform:translateY(-2px)}
.card .thumb{aspect-ratio:4/3;background:#ecfeff;border-bottom:1px solid var(--line)}
.card .thumb img{width:100%;height:100%;object-fit:cover}
.card .body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:6px;flex:1}
.tag{font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--brand)}
.card h3{margin:0;font-size:1.15rem}.card p{margin:0;color:var(--muted);font-size:.95rem}
.card .foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:14px}
.price{font-weight:800;font-size:1.3rem}
.card.soon{border-style:dashed;background:transparent;justify-content:center;align-items:center;text-align:center;padding:32px;color:var(--muted);min-height:200px}
.card.soon:hover{transform:none;box-shadow:none}
.features3{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px}
.features3 div{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.features3 h3{margin:0 0 6px;font-size:1.05rem}.features3 p{margin:0;color:var(--muted)}
footer.site{border-top:1px solid var(--line);background:#fff;padding:28px 0;color:var(--muted);font-size:.95rem}
footer.site .wrap{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center}
footer.site a{color:var(--ink);font-weight:600;text-decoration:none}
.crumbs{font-size:.9rem;color:var(--muted);padding:24px 0 0}.crumbs a{color:var(--muted)}
.product{display:grid;grid-template-columns:1.1fr 1fr;gap:48px;padding:28px 0 56px;align-items:start}
.product .media{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.product h1{font-size:clamp(1.8rem,4vw,2.5rem);line-height:1.15;margin:4px 0 10px;letter-spacing:-.02em}
.product .lead{color:var(--muted);font-size:1.1rem;margin:0 0 18px}
.pricebox{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin:18px 0 10px}
.pricebox .price{font-size:2rem}
.pill{display:inline-block;background:#ecfdf5;color:#065f46;border:1px solid #a7f3d0;border-radius:999px;padding:4px 12px;font-size:.85rem;font-weight:700}
.small{font-size:.9rem;color:var(--muted)}
.feat{list-style:none;padding:0;margin:0;display:grid;gap:12px}
.feat li{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 16px 14px 46px;position:relative}
.feat li::before{content:"✓";position:absolute;left:16px;top:13px;width:20px;height:20px;border-radius:50%;background:var(--brand);color:#fff;font-size:.75rem;display:grid;place-items:center;font-weight:800}
.feat strong{display:block}
.buybar{background:var(--ink);color:#fff;border-radius:var(--radius);padding:28px;display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px}
.buybar h2{margin:0;font-size:1.4rem}.buybar p{margin:4px 0 0;color:#cbd5e1}
.buybar .btn-ghost{background:transparent;color:#fff;border-color:#475569}
@media (max-width:820px){.product{grid-template-columns:1fr;gap:28px}nav a{margin-left:14px}.hero{padding:48px 0 32px}section{padding:40px 0}.section-head{flex-direction:column;align-items:start}}
.btn-disabled{background:#e2e8f0;color:#475569;cursor:not-allowed;pointer-events:none}
.buybar .btn-disabled{background:#334155;color:#cbd5e1}
.about{max-width:720px;padding:28px 0 64px}
.about h1{font-size:clamp(1.9rem,4.5vw,2.6rem);line-height:1.15;margin:6px 0 18px;letter-spacing:-.02em}
.about p{font-size:1.1rem;margin:0 0 16px}
.logo{white-space:nowrap}
@media (max-width:420px){.logo{font-size:1.02rem;gap:8px}nav a{margin-left:12px;font-size:.95rem}}