:root{
  --bg:#0d1117;
  --bg-soft:#151c26;
  --card:#161d29;
  --card-hi:#1d2633;
  --line:#26303d;
  --txt:#e8edf4;
  --muted:#96a3b5;
  --accent:#3ddc84;
  --accent-2:#4aa8ff;
  --warn:#ffc857;
  --radius:14px;
  --shadow:0 10px 30px rgba(0,0,0,.35);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--txt);
  font:16px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  -webkit-font-smoothing:antialiased;
}
img,video{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{width:100%;max-width:1180px;margin:0 auto;padding-inline:20px}

/* topbar */
.topbar{position:sticky;top:0;z-index:20;background:rgba(13,17,23,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.topbar-in{display:flex;align-items:center;gap:18px;padding-block:12px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px}
.brand-mark{
  font-weight:800;font-size:15px;letter-spacing:.06em;padding:7px 10px;border-radius:9px;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#06231a;
}
.brand-text{display:flex;flex-direction:column;font-weight:800;letter-spacing:.08em;line-height:1.1}
.brand-text small{font-weight:500;letter-spacing:normal;font-size:11px;color:var(--muted)}
.search{flex:1;min-width:200px;display:flex;justify-content:flex-end}
.search input{
  width:100%;max-width:360px;padding:10px 14px;border-radius:999px;
  border:1px solid var(--line);background:var(--bg-soft);color:var(--txt);font-size:14px;
}
.search input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(61,220,132,.15)}

/* hero */
.hero{padding-block:42px 26px}
.hero h1{margin:0 0 10px;font-size:clamp(28px,5vw,44px);line-height:1.1;letter-spacing:-.02em}
.hero p{margin:0;max-width:64ch;color:var(--muted)}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.hero-meta span{
  font-size:13px;color:var(--muted);background:var(--bg-soft);
  border:1px solid var(--line);border-radius:999px;padding:6px 12px;
}
.hero-meta strong{color:var(--txt)}

/* grid */
.grid{display:grid;gap:20px;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));padding-bottom:50px}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;cursor:pointer;transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
  display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:var(--shadow)}
.card-media{position:relative;aspect-ratio:16/9;background:#000;overflow:hidden}
.card-media video{width:100%;height:100%;object-fit:cover}
.card-num{
  position:absolute;top:10px;left:10px;z-index:2;font-weight:800;font-size:12px;
  background:rgba(13,17,23,.82);border:1px solid var(--line);color:var(--accent);
  padding:4px 9px;border-radius:8px;
}
.card-play{
  position:absolute;inset:0;display:grid;place-items:center;
  background:linear-gradient(180deg,rgba(0,0,0,.05),rgba(0,0,0,.45));
}
.card-play i{
  width:48px;height:48px;border-radius:50%;background:rgba(255,255,255,.92);
  display:grid;place-items:center;
}
.card-play i::before{content:"";border-style:solid;border-width:9px 0 9px 15px;border-color:transparent transparent transparent #0d1117;margin-left:3px}
.card-body{padding:14px 16px 18px;display:flex;flex-direction:column;gap:8px;flex:1}
.card-body h3{margin:0;font-size:18px;letter-spacing:-.01em}
.card-body p{margin:0;font-size:13.5px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:auto}
.tag{font-size:11px;color:var(--accent);background:rgba(61,220,132,.1);border:1px solid rgba(61,220,132,.25);padding:3px 8px;border-radius:999px}
.tag.kelas{color:var(--warn);background:rgba(255,200,87,.1);border-color:rgba(255,200,87,.25)}
.empty{text-align:center;color:var(--muted);padding:40px 0 70px}

/* detail */
.detail{padding-block:22px 60px}
.back{
  display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--muted);
  border:1px solid var(--line);background:var(--bg-soft);border-radius:999px;padding:8px 14px;margin-bottom:20px;
}
.back:hover{color:var(--accent);border-color:var(--accent)}
.detail-head{margin-bottom:20px}
.detail-head h2{margin:0 0 8px;font-size:clamp(24px,4vw,36px);letter-spacing:-.02em}
.detail-head .lead{margin:0;color:var(--muted);max-width:72ch}
.player{
  background:#000;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin-bottom:26px;box-shadow:var(--shadow);
}
.player video{width:100%;aspect-ratio:16/9;background:#000}
.panels{display:grid;gap:18px;grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px}
.panel h4{margin:0 0 12px;font-size:13px;letter-spacing:.1em;text-transform:uppercase;color:var(--accent)}
.panel.setup h4{color:var(--accent-2)}
.panel.variasi h4{color:var(--warn)}
.panel ul,.panel ol{margin:0;padding-left:20px;display:grid;gap:8px}
.panel li{font-size:14.5px;color:#cfd8e4}
.panel.span-2{grid-column:1/-1}
.navpair{display:flex;justify-content:space-between;gap:12px;margin-top:28px;flex-wrap:wrap}
.navpair a{
  flex:1;min-width:200px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:14px 18px;font-size:14px;transition:border-color .18s ease;
}
.navpair a:hover{border-color:var(--accent)}
.navpair small{display:block;color:var(--muted);font-size:11px;letter-spacing:.08em;text-transform:uppercase;margin-bottom:4px}
.navpair .next{text-align:right}

.foot{border-top:1px solid var(--line);padding-block:22px;color:var(--muted);font-size:13px}
.foot p{margin:0}

@media (max-width:600px){
  .hero{padding-block:28px 18px}
  .grid{gap:16px;grid-template-columns:1fr}
  .search{justify-content:flex-start}
  .search input{max-width:none}
}