:root{--bg:#faf9f6;--fg:#1d1d1b;--muted:#6b6a65;--line:#e4e2dc;--card:#fff;--accent:#2f5d50;--accent-fg:#fff}
@media (prefers-color-scheme:dark){:root{--bg:#141413;--fg:#ecebe6;--muted:#a3a29c;--line:#2e2d2a;--card:#1d1c1a;--accent:#7fb8a4;--accent-fg:#10201b}}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--fg);font:17px/1.6 system-ui,-apple-system,"Segoe UI",sans-serif}
a{color:inherit}.wrap{max-width:1040px;margin:0 auto;padding:0 20px}
header{border-bottom:1px solid var(--line)}header .wrap{display:flex;justify-content:space-between;align-items:center;height:64px}
.brand{font-weight:700;text-decoration:none;letter-spacing:-.01em}nav a{color:var(--muted);text-decoration:none;margin-left:18px;font-size:15px}
.hero{padding:56px 0 24px}.hero h1{font-size:clamp(28px,5vw,44px);line-height:1.15;margin:0 0 10px;letter-spacing:-.02em}.hero p{color:var(--muted);margin:0;max-width:640px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:18px;padding:24px 0 64px}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:22px;text-decoration:none;display:flex;flex-direction:column;gap:8px}
.card:hover{border-color:var(--accent)}.kind{font-size:13px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
.card h2{font-size:20px;margin:0;line-height:1.3}.card p{margin:0;color:var(--muted);font-size:15px}.price{font-weight:700;margin-top:auto}
.product{padding:48px 0 72px;display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:40px}
@media (max-width:760px){.product{grid-template-columns:1fr}}
.product h1{font-size:clamp(26px,4.5vw,38px);line-height:1.2;margin:4px 0 8px}.lead{color:var(--muted);font-size:19px}
.buy{position:sticky;top:20px;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:22px;align-self:start}
.buy .amount{font-size:32px;font-weight:700}.btn{display:block;text-align:center;background:var(--accent);color:var(--accent-fg);padding:14px;border-radius:10px;text-decoration:none;font-weight:700;margin:14px 0 10px}
.note{font-size:14px;color:var(--muted)}ul.inside li{margin:6px 0}details{border-top:1px solid var(--line);padding:12px 0}summary{cursor:pointer;font-weight:600}
footer{border-top:1px solid var(--line);color:var(--muted);font-size:14px}footer .wrap{padding:24px 20px}