:root{--bg:#0b0b0b;--ink:#eee;--muted:#bdbdbd;--rule:#2a2a2a;--cta:#d81f26;--cta-b:#8f151a;--c1:#151a2c;--c2:#1c2a21;--c3:#2a1a1a;--c4:#201a2a;--c5:#2a2317;--c6:#162429}
*{box-sizing:border-box}html,body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 system-ui,-apple-system,Segoe UI,Inter,Roboto,Arial,sans-serif}
a{color:var(--ink);text-decoration:none}a:hover{text-decoration:underline}.container{max-width:1200px;margin-inline:auto;padding:clamp(18px,5vw,36px)}
.header{position:sticky;top:0;background:rgba(0,0,0,.75);backdrop-filter:blur(10px);border-bottom:1px solid var(--rule);z-index:10}
.nav{display:flex;align-items:center;justify-content:space-between;text-transform:uppercase;letter-spacing:.08em;font-weight:700}
.nav a{padding:10px 14px;border-radius:10px}.logo{display:flex;align-items:center;gap:12px}
.logo img{width:56px;height:56px;border-radius:10px;border:1px solid var(--rule);object-fit:cover}
.hero{padding:72px 0 28px;border-bottom:1px solid var(--rule)}.hero h1{font-size:clamp(34px,5.2vw,64px);line-height:1.04;margin:0 0 12px}
.hero p{color:var(--muted);max-width:75ch;margin:0}.grid{display:grid;gap:16px;margin-top:26px}
@media(min-width:900px){.grid.cols-3{grid-template-columns:repeat(3,1fr)} .grid.cols-2{grid-template-columns:repeat(2,1fr)}}
.tile{display:flex;align-items:center;gap:12px;border-top:1px solid var(--rule);padding:14px 0}
.tile .icon{font-size:24px}
.btn{display:inline-flex;align-items:center;gap:10px;padding:12px 18px;border-radius:999px;background:var(--cta);color:#fff;border:1px solid var(--cta-b);font-weight:900;text-transform:uppercase;letter-spacing:.06em}
.btn:hover{filter:brightness(1.05)}
.footer{border-top:1px solid var(--rule);color:var(--muted)}.band{border-top:1px solid var(--rule);border-bottom:1px solid var(--rule);padding:18px 0;margin:28px 0}
.small{color:var(--muted)}[data-theme]{transition:background-color .25s ease}
body.theme-1{background:var(--c1)} body.theme-2{background:var(--c2)} body.theme-3{background:var(--c3)} body.theme-4{background:var(--c4)} body.theme-5{background:var(--c5)} body.theme-6{background:var(--c6)}
.card{border-top:1px solid var(--rule);padding-top:12px}ul.clean{list-style:none;margin:0;padding:0}ul.clean li{border-top:1px solid var(--rule);padding:10px 0}
label{display:block;margin:8px 0 6px}input,textarea{width:100%;background:#0f0f0f;border:1px solid var(--rule);border-radius:12px;color:#var(--ink);padding:12px}
input:focus,textarea:focus{outline:2px solid #d81f26;border-color:transparent}