:root{
  --bg:#0b0b12; --bg2:#12121b; --ink:#e7e7ff; --muted:#a3a6c2;
  --brand:#f97316; --brand2:#fb923c; --accent:#f59e0b;
  --card:#161624; --soft:#0f0f18; --ok:#16a34a; --bad:#ef4444;
  --radius:16px; --shadow:0 14px 34px rgba(0,0,0,.45);
}
*{box-sizing:border-box}
body{margin:0; font:16px/1.65 Inter,system-ui,Segoe UI,Roboto; color:var(--ink); background:radial-gradient(60% 60% at 50% 0%, rgba(124,58,237,.10), transparent), var(--bg);}
a{color:inherit; text-decoration:none}
img{max-width:100%; display:block}
.wrap{width:min(1100px,92vw); margin:auto}

.topbar{position:sticky; top:0; z-index:100; backdrop-filter:blur(8px) saturate(140%); background:rgba(12,12,20,.8); border-bottom:1px solid rgba(255,255,255,.06)}
.topbar .wrap{display:flex; align-items:center; justify-content:space-between; padding:10px 0}
.brand{display:flex; align-items:center; gap:12px; font-weight:800}
.brand img{height:46px; width:auto; filter:drop-shadow(0 8px 24px rgba(124,58,237,.45))}
.menu{display:flex; gap:12px; align-items:center}
.menu a{padding:8px 12px; border-radius:10px; color:var(--muted)}
.menu a:hover{background:rgba(255,255,255,.06); color:#fff}
.btn{background:linear-gradient(135deg,var(--brand),var(--brand2)); color:#fff; padding:10px 14px; border-radius:12px; box-shadow:var(--shadow); font-weight:700}

.hero{padding:48px 0 28px; background:linear-gradient(180deg, rgba(124,58,237,.12), transparent)}
.hero .title{margin:0; font-size:clamp(28px,4.2vw,44px); text-align:center}
.hero .subtitle{margin:8px 0 0; color:var(--muted); text-align:center}
.hero .badges{display:flex; gap:10px; justify-content:center; margin-top:14px}
.badge{border:1px solid rgba(255,255,255,.16); border-radius:999px; padding:6px 10px; background:rgba(255,255,255,.05); color:#dcdcff; font-size:14px}

.section{padding:18px 0}
.section h2{font-size:24px; margin:12px 0 10px}

.grid{display:grid; grid-template-columns:repeat(3,1fr); gap:16px}
.card{background:linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,.01)); border:1px solid rgba(255,255,255,.08); border-radius:16px; overflow:hidden; box-shadow:var(--shadow)}
.card .cover{aspect-ratio:16/7; object-fit:cover}
.card .body{padding:14px}
.card .title{font-weight:800; margin:0 0 4px}
.card .meta{color:var(--muted); font-size:14px}
.card .tags{display:flex; flex-wrap:wrap; gap:6px; margin-top:6px}
.tag{border:1px solid rgba(255,255,255,.15); border-radius:999px; padding:4px 8px; font-size:12px; color:#cfd1f3}

.tabs{display:flex; gap:8px; flex-wrap:wrap; margin:8px 0 14px}
.tab{padding:8px 12px; border-radius:10px; border:1px solid rgba(255,255,255,.12); background:var(--soft); color:#fff; cursor:pointer}
.tab.active{background:linear-gradient(135deg,var(--brand),var(--brand2))}

.tools{display:grid; grid-template-columns:1fr 1fr; gap:16px}
.tool{background:linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,.01)); border:1px solid rgba(255,255,255,.08); border-radius:16px; padding:16px; box-shadow:var(--shadow)}

.calc label{display:block; font-weight:700; margin:6px 0 4px}
.calc input[type=range]{width:100%}
.calc .row{display:grid; grid-template-columns:1fr 1fr; gap:10px}
.calc .pill{border:1px solid rgba(255,255,255,.16); border-radius:12px; padding:8px 10px; display:flex; justify-content:space-between; align-items:center; background:#0f0f18}
.progress{height:8px; background:#0f0f18; border-radius:999px; overflow:hidden; margin-top:6px}
.progress > span{display:block; height:100%; background:linear-gradient(90deg,var(--brand),var(--brand2))}

.footer{border-top:1px solid rgba(255,255,255,.08); background:var(--bg2); padding:24px 0; margin-top:36px; color:#cfd1f3}
.footer .wrap{display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:10px}

.search{display:flex; gap:8px; align-items:center}
.search input{flex:1; padding:10px 12px; border:1px solid rgba(255,255,255,.12); border-radius:10px; background:var(--card); color:#fff}

@media (max-width: 960px){ .grid{grid-template-columns:1fr 1fr} .tools{grid-template-columns:1fr} }
@media (max-width: 640px){ .grid{grid-template-columns:1fr} .brand img{height:40px} }