/* ===== Token warna ===== */
:root{
  --bg:#f7f8fb; --surface:#ffffff; --surface-2:#f0f2f7; --border:#e2e6ef;
  --text:#14161d; --muted:#616a7d; --accent:#4f46e5; --accent-soft:#eef0ff;
  --radius:14px; --maxw:1120px;
  --shadow:0 1px 2px rgba(16,20,40,.06), 0 8px 24px rgba(16,20,40,.06);
  box-sizing:border-box;
  padding-top:env(safe-area-inset-top,0px);
}
html[data-theme="dark"]{
  --bg:#0e1017; --surface:#161a24; --surface-2:#1d2231; --border:#2a3142;
  --text:#e8ebf2; --muted:#9aa4ba; --accent:#818cf8; --accent-soft:#1e2340;
  --shadow:0 1px 2px rgba(0,0,0,.4), 0 8px 24px rgba(0,0,0,.35);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth; scroll-padding-top:80px}
body{margin:0;background:var(--bg);color:var(--text);
  font:16px/1.65 "Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  -webkit-font-smoothing:antialiased}
img{max-width:100%}
a{color:var(--accent);text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}
.muted{color:var(--muted)} .small{font-size:.86rem}

/* ===== Topbar ===== */
.topbar{position:sticky;top:env(safe-area-inset-top,0px);z-index:40;
  background:color-mix(in srgb,var(--surface) 88%,transparent);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}
.bar{display:flex;align-items:center;justify-content:space-between;height:62px;gap:12px}
.brand{display:flex;align-items:center;gap:9px;font-weight:700;color:var(--text);font-size:1.05rem}
.brand b{color:var(--accent)}
.dot{width:11px;height:11px;border-radius:50%;background:var(--accent);
  box-shadow:0 0 0 4px var(--accent-soft)}
.bar-nav{display:flex;align-items:center;gap:16px}
.bar-nav a{color:var(--muted);font-size:.93rem;font-weight:500}
.bar-nav a:hover{color:var(--text)}
.ghost{background:var(--surface-2);border:1px solid var(--border);color:var(--text);
  width:36px;height:36px;border-radius:10px;cursor:pointer;font-size:1rem}

/* ===== Hero ===== */
.hero{padding:70px 0 40px;background:
  radial-gradient(900px 320px at 12% -20%,var(--accent-soft),transparent 70%)}
.kicker{margin:0 0 10px;color:var(--accent);font-weight:600;font-size:.82rem;
  letter-spacing:.12em;text-transform:uppercase}
.hero h1{margin:0 0 14px;font-size:clamp(1.9rem,5vw,3rem);line-height:1.15;letter-spacing:-.02em}
.lead{max-width:60ch;color:var(--muted);font-size:1.05rem;margin:0 0 26px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px}

/* ===== Tombol ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 18px;border-radius:11px;border:1px solid var(--border);
  background:var(--surface);color:var(--text);font-weight:600;font-size:.93rem;
  cursor:pointer;transition:transform .12s ease,border-color .12s ease}
.btn:hover{transform:translateY(-1px);border-color:var(--accent)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}
.btn.block{width:100%}
.ghost-btn{background:transparent;color:var(--muted)}

/* ===== Katalog ===== */
.sec-head{display:flex;flex-wrap:wrap;gap:14px;align-items:center;
  justify-content:space-between;margin:48px 0 18px}
.sec-head h2{margin:0;font-size:1.5rem;letter-spacing:-.01em}
.search{padding:10px 14px;border-radius:11px;border:1px solid var(--border);
  background:var(--surface);color:var(--text);min-width:230px;font-size:.93rem}
.search:focus{outline:2px solid var(--accent);outline-offset:1px}
.grid{display:grid;gap:18px;grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--shadow);
  transition:transform .15s ease,border-color .15s ease}
.card:hover{transform:translateY(-3px);border-color:var(--accent)}
.card-cover{height:88px;display:flex;align-items:flex-end;padding:12px 16px;
  background:linear-gradient(135deg,var(--c),color-mix(in srgb,var(--c) 45%,#000))}
.badge{background:rgba(255,255,255,.92);color:#14161d;font-size:.72rem;font-weight:700;
  padding:3px 9px;border-radius:999px;letter-spacing:.03em}
.card-body{padding:16px;display:flex;flex-direction:column;gap:8px;flex:1}
.card-body h3{margin:0;font-size:1.06rem;line-height:1.35}
.card-body p{margin:0;color:var(--muted);font-size:.9rem;flex:1}
.meta{display:flex;flex-wrap:wrap;gap:6px;margin-top:4px}
.chip{font-size:.74rem;padding:3px 9px;border-radius:999px;
  background:var(--surface-2);color:var(--muted);border:1px solid var(--border)}
.chip.open{color:#0f9d58;border-color:#0f9d5855}
.chip.lock{color:#d97706;border-color:#d9770655}
.card-foot{padding:0 16px 16px}
.card-plain{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:28px;margin:56px 0;box-shadow:var(--shadow)}
.card-plain h2{margin-top:0}
.steps{color:var(--muted);padding-left:20px} .steps li{margin-bottom:8px}
.steps b{color:var(--text)}
.empty{text-align:center;color:var(--muted);padding:40px}
.footer{border-top:1px solid var(--border);padding:26px 0;color:var(--muted);font-size:.88rem;margin-top:40px}

/* ===== Gerbang akses ===== */
.gate{min-height:72vh;display:flex;align-items:center;justify-content:center;padding:40px 20px}
.gate-card{max-width:520px;width:100%;background:var(--surface);border:1px solid var(--border);
  border-radius:18px;padding:32px;box-shadow:var(--shadow);text-align:center}
.gate-card h1{margin:0 0 8px;font-size:1.6rem}
.gate-form{display:flex;gap:10px;margin:22px 0 8px;flex-wrap:wrap}
.gate-form input{flex:1;min-width:180px;padding:12px 14px;border-radius:11px;
  border:1px solid var(--border);background:var(--surface-2);color:var(--text);
  font-size:1rem;letter-spacing:.04em;text-align:center}
.gate-form input:focus{outline:2px solid var(--accent);outline-offset:1px}
.gate-msg{min-height:22px;margin:4px 0 14px;font-size:.9rem;font-weight:600}
.gate-msg.err{color:#dc2626} .gate-msg.ok{color:#0f9d58}
.gate-links{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;
  padding-top:18px;border-top:1px solid var(--border);margin-bottom:14px}

/* ===== Layout reader ===== */
.layout{display:grid;grid-template-columns:288px minmax(0,1fr);
  max-width:var(--maxw);margin:0 auto;gap:0}
.sidebar{position:sticky;top:calc(62px + env(safe-area-inset-top,0px));
  height:calc(100vh - 62px);overflow-y:auto;padding:26px 20px;
  border-right:1px solid var(--border);display:flex;flex-direction:column;gap:18px}
.side-kicker{margin:0;font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.side-head h2{margin:4px 0 14px;font-size:1.05rem;line-height:1.35}
.progress{height:6px;border-radius:99px;background:var(--surface-2);overflow:hidden}
.progress span{display:block;height:100%;width:0;background:var(--accent);transition:width .2s}
.toc{display:flex;flex-direction:column;gap:2px;flex:1}
.toc a{padding:7px 11px;border-radius:9px;color:var(--muted);font-size:.9rem;
  border-left:2px solid transparent;line-height:1.4}
.toc a:hover{background:var(--surface-2);color:var(--text)}
.toc a.h3{padding-left:24px;font-size:.85rem}
.toc a.active{background:var(--accent-soft);color:var(--accent);
  border-left-color:var(--accent);font-weight:600}
.side-foot{display:flex;flex-direction:column;gap:8px}
.content{padding:34px 34px 70px;min-width:0}
.pager{display:flex;justify-content:space-between;gap:12px;margin-top:48px;
  padding-top:22px;border-top:1px solid var(--border)}
.scrim{display:none}

/* ===== Markdown ===== */
.markdown{max-width:76ch}
.markdown h1{font-size:clamp(1.7rem,4vw,2.3rem);letter-spacing:-.02em;margin:0 0 .4em;line-height:1.2}
.markdown h2{font-size:1.45rem;margin:2em 0 .6em;padding-bottom:.3em;border-bottom:1px solid var(--border)}
.markdown h3{font-size:1.15rem;margin:1.7em 0 .5em}
.markdown p,.markdown li{color:var(--text)}
.markdown li{margin:.35em 0}
.markdown blockquote{margin:1.4em 0;padding:2px 18px;border-left:3px solid var(--accent);
  background:var(--accent-soft);border-radius:0 10px 10px 0;color:var(--muted)}
.markdown code{font-family:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;font-size:.88em}
.markdown :not(pre)>code{background:var(--surface-2);border:1px solid var(--border);
  padding:.12em .4em;border-radius:6px}
.markdown pre{background:#0d1117;border:1px solid var(--border);border-radius:12px;
  padding:16px 18px;overflow-x:auto;margin:1.3em 0}
.markdown pre code{background:none;border:0;padding:0;color:#e6edf3}
.markdown table{width:100%;border-collapse:collapse;margin:1.3em 0;display:block;overflow-x:auto}
.markdown th,.markdown td{border:1px solid var(--border);padding:9px 12px;text-align:left;font-size:.92rem}
.markdown th{background:var(--surface-2)}
.markdown hr{border:0;border-top:1px solid var(--border);margin:2.4em 0}
.markdown a{text-decoration:underline;text-underline-offset:3px}
.only-mobile{display:none}

/* ===== Responsif ===== */
@media (max-width:900px){
  .layout{grid-template-columns:1fr}
  .only-mobile{display:inline-flex;align-items:center;justify-content:center}
  .sidebar{position:fixed;top:0;left:0;bottom:0;width:282px;height:100dvh;z-index:60;
    background:var(--surface);transform:translateX(-102%);transition:transform .25s ease;
    padding-top:calc(24px + env(safe-area-inset-top,0px))}
  .sidebar.open{transform:none;box-shadow:0 0 40px rgba(0,0,0,.35)}
  .scrim.show{display:block;position:fixed;inset:0;background:rgba(6,8,15,.5);z-index:50}
  .content{padding:24px 20px 60px}
  .hero{padding:48px 0 26px}
  .sec-head{margin-top:32px}
  .search{width:100%}
}