:root{--bg:#0b0d12;--card:#161a22;--fg:#eef0f3;--mut:#a9b0bb;--ocred:#e41b23;--acc:#ff9800;--line:#2a303b}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.5 system-ui,-apple-system,Segoe UI,Roboto,sans-serif}
a{color:var(--acc)}section,footer{max-width:1120px;margin:0 auto;padding:28px 18px}h2{font-size:28px;margin:0 0 6px}
.top{position:sticky;top:0;z-index:5;display:flex;align-items:center;gap:14px;padding:10px 18px;background:#000c;backdrop-filter:blur(6px);border-bottom:1px solid var(--line);flex-wrap:wrap}
.oc{display:flex;align-items:center;gap:8px;text-decoration:none;line-height:1.05;text-transform:uppercase;font-size:13px}.oc img{border-radius:50%}.oc b{display:block;color:var(--fg)}.oc b+b{color:var(--acc);font-size:15px}
.top nav{display:flex;gap:14px;flex:1;flex-wrap:wrap}.top nav a{color:var(--fg);text-decoration:none;font-weight:600}
.theme{background:var(--card);color:var(--fg);border:1px solid var(--line);border-radius:999px;padding:8px 14px;font-weight:700;cursor:pointer}
.hero{display:grid;grid-template-columns:minmax(220px,380px) 1fr;gap:34px;align-items:center}.logo{width:100%;height:auto;border-radius:16px}
h1{font-size:52px;line-height:1.05;margin:0}.by{font-size:20px;font-weight:600;margin:6px 0;color:var(--mut)}.tag{font-size:22px;font-style:italic;color:var(--acc)}
.btn{display:inline-block;padding:11px 18px;border-radius:10px;background:var(--card);border:1px solid var(--line);color:var(--fg);text-decoration:none;font-weight:700;margin:4px 0}.btn.red{background:var(--ocred);border-color:var(--ocred);color:#fff}.btn.dis{opacity:.6}
.note,.small{color:var(--mut);font-size:14px}.frame{border:1px solid var(--line);border-radius:14px;overflow:hidden;height:min(86vh,920px)}iframe{width:100%;height:100%;border:0;display:block;background:#000}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px;color:var(--fg);text-decoration:none}.card h3{margin:0 0 6px}.card.pro{border-color:var(--acc)}.price{font-size:18px}
.shop{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}.prod{display:flex;flex-direction:column;gap:8px;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:12px;text-decoration:none;color:var(--fg)}
.prod img{width:100%;aspect-ratio:1;object-fit:contain;background:#fff;border-radius:10px}.prod .t{font-weight:600;flex:1}.prod .p{font-size:20px;font-weight:800;color:var(--acc)}.prod .btn{text-align:center}
footer{border-top:1px solid var(--line);color:var(--mut);font-size:14px}
@media(max-width:700px){.hero{grid-template-columns:1fr;text-align:center}.logo{max-width:300px;margin:0 auto}h1{font-size:38px}.top nav{order:3;flex-basis:100%;font-size:14px}.theme{margin-left:auto}.frame{height:80vh}}
/* NIGHT MODE: dim, red-only */
html.night{--bg:#000;--card:#120000;--fg:#c0201a;--mut:#8a1612;--acc:#e0301f;--ocred:#5a0000;--line:#3a0000}
html.night body{background:#000}html.night .btn.red{color:#ff4a3a;background:#3a0000;border-color:#6a0000}
html.night img{filter:grayscale(1) sepia(1) hue-rotate(-50deg) saturate(6) brightness(.45) contrast(1.1)}html.night .prod img{background:#200}
html.night iframe{filter:sepia(1) hue-rotate(-50deg) saturate(4) brightness(.7)}html.night .top{background:#000e}html.night ::selection{background:#400;color:#f33}