/* R2P2 v3.1 – premium hi-fi landing (dark default), light optional. */
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
:root{--radius:18px;--shadow:0 18px 50px rgba(0,0,0,.35);--shadow-soft:0 10px 24px rgba(0,0,0,.22);--maxw:1120px;--font:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial}
:root{--bg:#070B12;--bg2:#0B1220;--card:rgba(255,255,255,.06);--card2:rgba(255,255,255,.04);--border:rgba(255,255,255,.12);--text:rgba(255,255,255,.92);--muted:rgba(255,255,255,.70);--link:#9fb4ff;--brand:#2E6BFF;--brand2:#7e6bff;--accent:#00c49a;--glow:radial-gradient(900px 460px at 60% 0%, rgba(46,107,255,.22), transparent 60%)}
[data-theme="light"]{--bg:#fff;--bg2:#f7f8fb;--card:#fff;--card2:#f7f8fb;--border:#e5e7eb;--text:#0f172a;--muted:#475569;--link:#0a3d62;--brand:#2E6BFF;--brand2:#0a3d62;--accent:#00a37a;--glow:radial-gradient(900px 460px at 60% 0%, rgba(46,107,255,.14), transparent 60%)}
body{font-family:var(--font);background:linear-gradient(180deg,var(--bg),var(--bg2));color:var(--text)}
a{color:var(--link);text-decoration:none}a:hover{text-decoration:underline}
.wrap{max-width:var(--maxw);margin:0 auto;padding:28px 18px 72px}
.topbar{position:sticky;top:0;z-index:50;backdrop-filter:blur(14px);background:color-mix(in oklab,var(--bg) 82%,transparent);border-bottom:1px solid color-mix(in oklab,var(--border) 60%,transparent)}
.topbar .inner{max-width:var(--maxw);margin:0 auto;padding:14px 18px;display:flex;align-items:center;justify-content:space-between;gap:14px}
.brand{display:flex;align-items:center;gap:12px;min-width:220px}
.brand img{width:40px;height:40px;border-radius:12px;box-shadow:var(--shadow-soft)}
.brand .name{font-weight:800;letter-spacing:.3px;line-height:1.05}
.brand .tag{font-size:12px;color:var(--muted);margin-top:2px}
.nav{display:flex;gap:18px;flex-wrap:wrap;justify-content:center}
.nav a{font-size:14px;color:var(--muted);font-weight:600} .nav a:hover{color:var(--text);text-decoration:none}
.actions{display:flex;align-items:center;gap:12px}
.btn{border:1px solid var(--border);background:linear-gradient(180deg,var(--card),var(--card2));color:var(--text);padding:10px 14px;border-radius:12px;font-weight:700;font-size:14px;cursor:pointer;box-shadow:0 10px 24px rgba(0,0,0,.18)}
.btn.primary{border:1px solid color-mix(in oklab,var(--brand) 60%,var(--border));background:linear-gradient(180deg,color-mix(in oklab,var(--brand) 32%,transparent),var(--card2))}
.btn:hover{transform:translateY(-1px)} .btn:active{transform:translateY(0)}
.theme-pill{display:flex;align-items:center;gap:8px;border:1px solid var(--border);background:linear-gradient(180deg,var(--card),var(--card2));border-radius:999px;padding:6px 10px;box-shadow:0 10px 24px rgba(0,0,0,.18)}
.theme-pill button{appearance:none;border:none;background:transparent;width:28px;height:28px;border-radius:999px;display:grid;place-items:center;cursor:pointer;color:var(--muted)}
.theme-pill button[aria-pressed="true"]{background:color-mix(in oklab,var(--brand) 18%,transparent);color:var(--text);outline:2px solid color-mix(in oklab,var(--brand) 45%,transparent);outline-offset:2px}
.icon{width:18px;height:18px;display:block}
.hero{margin-top:22px;border-radius:calc(var(--radius) + 10px);padding:34px 26px;border:1px solid var(--border);background:linear-gradient(180deg,var(--card),var(--card2));box-shadow:var(--shadow);position:relative;overflow:hidden}
.hero:before{content:"";position:absolute;inset:-1px;background:var(--glow);pointer-events:none}
.pill{display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border:1px solid var(--border);border-radius:999px;font-size:12px;color:var(--muted);background:color-mix(in oklab,var(--card) 70%,transparent)}
.h1{font-size:40px;line-height:1.15;font-weight:900;margin:14px 0 10px;letter-spacing:-.6px}
.sub{font-size:16px;color:var(--muted);max-width:72ch}
.grid{display:grid;gap:14px;margin-top:18px}
@media(min-width:920px){.grid{grid-template-columns:1.15fr .85fr}}
.card{border-radius:var(--radius);border:1px solid var(--border);background:linear-gradient(180deg,var(--card),var(--card2));padding:18px 18px}
.card h3{font-size:14px;letter-spacing:.2px;color:color-mix(in oklab,var(--brand) 55%,var(--text));margin-bottom:10px}
ul{padding-left:18px} li{margin:8px 0;color:var(--text)}
.kv{display:grid;gap:10px;font-size:12px;color:var(--muted)} .kv b{color:var(--text);font-weight:800;font-size:13px}
.section{margin-top:22px} .section .title{font-size:18px;font-weight:900;margin:0 0 6px} .section .desc{color:var(--muted);max-width:78ch}
.cards{display:grid;grid-template-columns:1fr;gap:14px;margin-top:14px}
@media(min-width:920px){.cards{grid-template-columns:repeat(3,1fr)}}
.mini{border-radius:var(--radius);border:1px solid var(--border);background:linear-gradient(180deg,var(--card),var(--card2));padding:16px;box-shadow:0 12px 28px rgba(0,0,0,.12)}
.mini h4{font-size:14px;margin:0 0 6px} .mini p{font-size:13px;color:var(--muted);line-height:1.55}
.form{display:grid;gap:12px;margin-top:14px}
.field label{display:block;font-size:12px;color:var(--muted);margin:0 0 6px;font-weight:700}
.field input,.field textarea,.field select{width:100%;padding:12px 12px;border-radius:12px;border:1px solid var(--border);background:color-mix(in oklab,var(--bg) 75%,var(--card));color:var(--text)}
.field input:focus,.field textarea:focus,.field select:focus{outline:2px solid color-mix(in oklab,var(--brand) 55%,transparent);outline-offset:1px}
.status{font-size:12px;color:var(--muted)}
.footer{margin-top:26px;display:flex;flex-wrap:wrap;gap:10px 16px;justify-content:space-between;align-items:center;color:var(--muted);font-size:12px}