/* ════════════════════════════════════════════════════════════════════════
   OSMO PREMIUM — design system bersama untuk halaman layanan (sub-pages)
   Tujuan: "Satu Semesta Premium" — sub-halaman hidup di bahasa desain + token
   yang SAMA dengan homepage (warm cool-light glass, Bricolage/Fraunces/JetBrains
   Mono, liquid-glass, scene-dark, editorial). Per-halaman cukup set --accent.
   Token diselaraskan dgn index.html (CANONICAL). Motion: pakai motion.css (data-mo).
   ════════════════════════════════════════════════════════════════════════ */

:root{
  --font-display:"Bricolage Grotesque"; --font-serif:"Fraunces"; --font-mono:"JetBrains Mono"; --font-sans:"Inter";
  --base:#EDEFF1; --ink:#0D0E10; --ink2:rgba(13,14,16,.74); --ink3:rgba(13,14,16,.60);
  --line:rgba(13,14,16,.12); --line2:rgba(13,14,16,.20);
  --card:rgba(255,255,255,.60); --card2:rgba(255,255,255,.72);
  --accent:#3F5C7C; --accent2:#5B7A9E;
  --b-studio:#3A6491; --b-build:#A06A3E; --b-mk:#4F8A63; --b-living:#6F539B;
  --glass-bg:rgba(255,255,255,.50); --glass-blur:22px; --glass-sat:165%;
  --glass-filter:blur(var(--glass-blur)) saturate(var(--glass-sat));
  --glass-rim:1px solid color-mix(in srgb,#fff 22%, var(--line));
  --glass-hi:inset 0 1px 0 rgba(255,255,255,.55);
  --glass-bg-d:rgba(255,255,255,.06); --glass-bg-d2:rgba(255,255,255,.10);
  --glass-rim-d:1px solid rgba(255,255,255,.14); --glass-hi-d:inset 0 1px 0 rgba(255,255,255,.18);
  --elev-1:0 1px 2px rgba(13,14,16,.04), 0 10px 30px rgba(13,14,16,.05);
  --elev-2:0 1px 2px rgba(13,14,16,.04), 0 14px 40px rgba(13,14,16,.06);
  --elev-3:0 24px 50px rgba(13,14,16,.11), 0 30px 70px -18px rgba(13,14,16,.16);
  --elev-d:0 28px 60px -18px rgba(0,0,0,.55), 0 4px 14px -6px rgba(0,0,0,.40);
  --r-card:22px; --r-stage:32px; --r-pill:100px;
  --ease-smooth:cubic-bezier(.16,1,.3,1); --ease-spring:cubic-bezier(.34,1.56,.64,1);
  --sec-y:clamp(84px,12vh,150px);
  --measure:62ch;
  --ink-d:#F4F6F9; --ink2-d:rgba(244,246,249,.80); --ink3-d:rgba(244,246,249,.60);
  --scene:#0F1318;   /* dasar scene-dark (selaras homepage) */
}
html[data-theme="dark"]{
  --base:#0D1014; --ink:#F3F6F9; --ink2:rgba(243,246,249,.78); --ink3:rgba(243,246,249,.60);
  --line:rgba(255,255,255,.12); --line2:rgba(255,255,255,.20);
  --card:rgba(255,255,255,.05); --card2:rgba(255,255,255,.08);
  --accent:#7FA8DA; --accent2:#9CC0EA;
  --glass-bg:rgba(255,255,255,.06); --glass-rim:1px solid rgba(255,255,255,.14);
  --elev-1:0 1px 2px rgba(0,0,0,.3),0 10px 30px rgba(0,0,0,.35);
  --elev-2:0 1px 2px rgba(0,0,0,.3),0 14px 40px rgba(0,0,0,.4);
  --elev-3:0 24px 50px rgba(0,0,0,.5),0 30px 70px -18px rgba(0,0,0,.55);
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; -webkit-text-size-adjust:100%; }
@media (prefers-reduced-motion:reduce){ html{ scroll-behavior:auto; } }
body{ margin:0; background:var(--base); color:var(--ink);
  font-family:var(--font-mono),ui-monospace,monospace; font-size:15px; line-height:1.65;
  -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility; overflow-x:clip; }
img{ display:block; max-width:100%; }
a{ color:inherit; text-decoration:none; }
::selection{ background:color-mix(in srgb,var(--accent) 30%,transparent); }
.wrap{ width:min(1120px,92vw); margin-inline:auto; }

/* ── ambient warm mesh background (kedalaman, anti-flat) ── */
.os-mesh{ position:fixed; inset:0; z-index:-2; pointer-events:none;
  background:
    radial-gradient(60% 55% at 12% 8%, color-mix(in srgb,var(--accent) 12%,transparent), transparent 60%),
    radial-gradient(50% 50% at 92% 4%, color-mix(in srgb,var(--b-living) 9%,transparent), transparent 58%),
    radial-gradient(70% 60% at 50% 108%, color-mix(in srgb,var(--accent) 8%,transparent), transparent 60%),
    var(--base); }

/* ── editorial section heading (nomor + hairline, gaya homepage) ── */
.sec{ padding:var(--sec-y) 0; position:relative; }
.k{ font-family:var(--font-mono); font-size:11.5px; letter-spacing:.22em; text-transform:uppercase; color:var(--ink3);
  display:inline-flex; align-items:center; gap:9px; }
.k::before{ content:""; width:22px; height:1px; background:var(--accent); display:inline-block; }
.sec-head{ max-width:var(--measure); }
.sec-head h2{ font-family:var(--font-serif),Georgia,serif; font-weight:400; letter-spacing:-.02em;
  font-size:clamp(28px,4.6vw,52px); line-height:1.06; margin:16px 0 0; color:var(--ink); }
.sec-head h2 em{ font-style:italic; color:var(--accent); }
.sec-head p{ color:var(--ink2); font-size:clamp(15px,1.5vw,17px); margin:16px 0 0; max-width:54ch; }

/* ── NAV (glass sticky, selaras homepage) ── */
.os-nav{ position:sticky; top:0; z-index:40; }
.os-nav .in{ width:min(1120px,94vw); margin:12px auto 0; padding:11px 14px 11px 18px;
  display:flex; align-items:center; gap:14px; border-radius:var(--r-pill);
  background:var(--glass-bg); -webkit-backdrop-filter:var(--glass-filter); backdrop-filter:var(--glass-filter);
  border:var(--glass-rim); box-shadow:var(--elev-1), var(--glass-hi); }
.os-brand{ display:flex; align-items:center; gap:9px; font-family:var(--font-display); font-weight:800; letter-spacing:-.02em; font-size:16px; }
.os-brand img{ width:22px; height:22px; object-fit:contain; }
html[data-theme="dark"] .os-brand img{ filter:invert(1) hue-rotate(180deg) brightness(1.06); }
.os-nav .crumb{ font-family:var(--font-mono); font-size:11px; letter-spacing:.14em; text-transform:uppercase; color:var(--ink3); }
.os-nav .sp{ margin-left:auto; }
.os-nav a.home{ font-family:var(--font-mono); font-size:11.5px; letter-spacing:.1em; text-transform:uppercase; color:var(--ink2); padding:8px 6px; }
.os-nav a.home:hover{ color:var(--ink); }

/* ── BUTTONS ── */
.btn{ font-family:var(--font-mono); font-size:12.5px; letter-spacing:.06em; text-transform:uppercase; font-weight:500;
  display:inline-flex; align-items:center; gap:8px; min-height:48px; padding:0 22px; border-radius:var(--r-pill);
  cursor:pointer; border:0; transition:transform .2s var(--ease-spring), box-shadow .2s, background .2s; will-change:transform; }
.btn:hover{ transform:translateY(-2px); }
.btn:active{ transform:translateY(0); }
.btn-solid{ background:var(--ink); color:var(--base); box-shadow:var(--elev-2); }
.btn-solid:hover{ box-shadow:var(--elev-3); }
.btn-accent{ background:var(--accent); color:#fff; box-shadow:0 14px 34px -14px color-mix(in srgb,var(--accent) 80%,#000); }
.btn-glass{ background:var(--glass-bg); -webkit-backdrop-filter:var(--glass-filter); backdrop-filter:var(--glass-filter);
  border:var(--glass-rim); color:var(--ink); box-shadow:var(--elev-1), var(--glass-hi); }
.btn-ghost{ background:transparent; border:1px solid var(--line2); color:var(--ink); }
.btnrow{ display:flex; flex-wrap:wrap; gap:12px; }

/* ── HERO ── */
.os-hero{ position:relative; padding:clamp(48px,9vh,110px) 0 clamp(40px,7vh,86px); overflow:hidden; }
.os-hero .eyebrow{ margin-bottom:18px; }
.os-hero h1{ font-family:var(--font-display); font-weight:700; letter-spacing:-.03em;
  font-size:clamp(34px,7vw,72px); line-height:1.0; margin:0; color:var(--ink); max-width:16ch; }
.os-hero .claim{ font-family:var(--font-serif),Georgia,serif; font-weight:400; font-style:italic;
  font-size:clamp(20px,3.1vw,34px); line-height:1.18; letter-spacing:-.01em; color:var(--accent);
  margin:18px 0 0; max-width:24ch; }
.os-hero .lead{ color:var(--ink2); font-size:clamp(15px,1.7vw,18px); line-height:1.6; margin:20px 0 0; max-width:52ch; }
.os-hero .btnrow{ margin-top:30px; }
.os-hero-media{ margin-top:clamp(34px,6vh,68px); border-radius:var(--r-stage); overflow:hidden;
  box-shadow:var(--elev-3); border:var(--glass-rim); position:relative; aspect-ratio:16/8; background:#0c0f13; }
.os-hero-media img{ width:100%; height:100%; object-fit:cover; }
.os-hero-media .ov{ position:absolute; inset:0; background:linear-gradient(180deg,rgba(8,11,16,.06),rgba(8,11,16,.42)); }

/* ── STAT / COUNT-UP strip (glass) ── */
.os-stats{ display:grid; grid-template-columns:repeat(auto-fit,minmax(120px,1fr)); gap:1px;
  margin-top:28px; border-radius:var(--r-card); overflow:hidden; background:var(--line);
  border:var(--glass-rim); box-shadow:var(--elev-1); }
.os-stats .cell{ background:var(--card); -webkit-backdrop-filter:var(--glass-filter); backdrop-filter:var(--glass-filter);
  padding:18px 16px; text-align:center; }
.os-stats .num{ font-family:var(--font-display); font-weight:300; font-size:clamp(30px,4.4vw,46px); line-height:1; letter-spacing:-.02em; color:var(--ink); }
.os-stats .num b{ color:var(--accent); font-weight:300; }
.os-stats .lab{ font-family:var(--font-mono); font-size:10.5px; letter-spacing:.16em; text-transform:uppercase; color:var(--ink3); margin-top:9px; }

/* ── chip row (proof, hemat) ── */
.os-chips{ display:flex; flex-wrap:wrap; gap:9px; margin-top:22px; }
.os-chip{ font-family:var(--font-mono); font-size:11.5px; letter-spacing:.05em; display:inline-flex; align-items:center; gap:7px;
  padding:9px 14px; min-height:38px; border-radius:var(--r-pill); color:var(--ink2);
  background:var(--card); -webkit-backdrop-filter:var(--glass-filter); backdrop-filter:var(--glass-filter);
  border:var(--glass-rim); box-shadow:var(--elev-1); }
.os-chip b{ color:var(--accent); font-weight:600; }
.os-chip svg{ width:14px; height:14px; stroke:var(--accent); }

/* ── SHOWCASE console (SHOW the product, gaya #bukti) ── */
.os-show{ position:relative; width:100%; margin:clamp(30px,5vh,56px) auto 0; border-radius:var(--r-stage); overflow:hidden;
  background:linear-gradient(165deg,#11161d,#0a0d12); box-shadow:var(--elev-d); border:1px solid rgba(255,255,255,.08); }
.os-show-bar{ display:flex; align-items:center; gap:8px; padding:13px 18px; border-bottom:1px solid rgba(255,255,255,.07);
  font-family:var(--font-mono); font-size:11px; letter-spacing:.1em; color:rgba(244,246,249,.6); }
.os-show-bar .dot{ width:9px; height:9px; border-radius:50%; background:rgba(255,255,255,.18); }
.os-show-bar .live{ margin-left:auto; display:inline-flex; align-items:center; gap:7px; color:#6DAE84; }
.os-show-bar .live i{ width:7px; height:7px; border-radius:50%; background:#6DAE84; box-shadow:0 0 0 0 rgba(109,174,132,.6); animation:os-pulse 2s infinite; }
@keyframes os-pulse{ 0%{ box-shadow:0 0 0 0 rgba(109,174,132,.5);} 70%{ box-shadow:0 0 0 8px rgba(109,174,132,0);} 100%{ box-shadow:0 0 0 0 rgba(109,174,132,0);} }
.os-show-body{ padding:clamp(18px,3vw,30px); color:var(--ink-d); display:grid; gap:14px; }
.os-flow{ display:grid; grid-template-columns:repeat(auto-fit,minmax(150px,1fr)); gap:12px; }
.os-step{ background:var(--glass-bg-d); border:var(--glass-rim-d); border-radius:16px; padding:16px;
  box-shadow:var(--glass-hi-d); position:relative; }
.os-step .n{ font-family:var(--font-mono); font-size:10.5px; letter-spacing:.14em; color:rgba(244,246,249,.5); }
.os-step h4{ font-family:var(--font-display); font-weight:600; font-size:16px; margin:8px 0 5px; color:var(--ink-d); }
.os-step p{ font-size:12.5px; line-height:1.55; color:rgba(244,246,249,.66); margin:0; }
.os-step .tag{ margin-top:11px; display:inline-block; font-family:var(--font-mono); font-size:10px; letter-spacing:.08em;
  padding:4px 9px; border-radius:100px; background:color-mix(in srgb,var(--accent) 30%,transparent); color:#dbe7f5; }
.os-pbar{ height:8px; border-radius:100px; background:rgba(255,255,255,.08); overflow:hidden; }
.os-pbar i{ display:block; height:100%; width:0; border-radius:100px; background:linear-gradient(90deg,var(--accent),var(--accent2)); transition:width 1.4s var(--ease-smooth); }
.os-show.is-in .os-pbar i{ width:var(--pct,68%); }
.os-show-foot{ display:flex; flex-wrap:wrap; gap:18px; align-items:center; justify-content:space-between;
  font-family:var(--font-mono); font-size:11.5px; color:rgba(244,246,249,.62); }
.os-show-foot b{ color:var(--ink-d); }

/* ── FEATURE editorial list (bukan kartu brosur) ── */
.os-feat{ list-style:none; padding:0; margin:24px 0 0; display:grid; gap:0; border-top:1px solid var(--line); }
.os-feat li{ display:flex; gap:18px; align-items:flex-start; padding:18px 4px; border-bottom:1px solid var(--line);
  transition:padding-left .25s var(--ease-smooth); }
.os-feat li:hover{ padding-left:12px; }
.os-feat .ix{ font-family:var(--font-mono); font-size:11px; color:var(--accent); padding-top:3px; min-width:30px; letter-spacing:.06em; }
.os-feat .tx b{ font-family:var(--font-display); font-weight:600; font-size:16.5px; color:var(--ink); display:block; }
.os-feat .tx span{ color:var(--ink2); font-size:13.5px; }

/* ── WHY cards (scene-dark glass) ── */
.os-why{ display:grid; grid-template-columns:repeat(auto-fit,minmax(248px,1fr)); gap:16px; margin-top:30px; }
.os-wcard{ padding:26px 24px; border-radius:var(--r-card);
  background:var(--glass-bg-d); border:var(--glass-rim-d); box-shadow:var(--glass-hi-d), var(--elev-d);
  -webkit-backdrop-filter:blur(14px); backdrop-filter:blur(14px);
  transition:transform .3s var(--ease-smooth), box-shadow .3s; }
.os-wcard:hover{ transform:translateY(-4px); }
.os-wcard .bignum{ font-family:var(--font-serif); font-style:italic; font-size:34px; color:var(--accent2); line-height:1; }
.os-wcard h3{ font-family:var(--font-display); font-weight:600; font-size:18px; margin:14px 0 8px; color:var(--ink-d); }
.os-wcard p{ font-size:13.5px; line-height:1.6; color:rgba(244,246,249,.72); margin:0; }

/* ── PROCESS timeline ── */
.os-proc{ list-style:none; padding:0; margin:28px 0 0; display:grid; gap:0; }
.os-proc li{ display:grid; grid-template-columns:auto 1fr; gap:20px; padding-bottom:26px; position:relative; }
.os-proc li:not(:last-child)::before{ content:""; position:absolute; left:18px; top:40px; bottom:0; width:1px; background:var(--line2); }
.os-proc .n{ width:38px; height:38px; border-radius:50%; display:grid; place-items:center; z-index:1;
  font-family:var(--font-mono); font-size:14px; color:#fff; background:var(--accent); box-shadow:0 10px 24px -10px color-mix(in srgb,var(--accent) 80%,#000); }
.os-proc h4{ font-family:var(--font-display); font-weight:600; font-size:17px; margin:6px 0 5px; color:var(--ink); }
.os-proc p{ color:var(--ink2); font-size:13.5px; line-height:1.55; margin:0; }

/* ── FAQ accordion (glass) ── */
.os-qa{ border:var(--glass-rim); border-radius:var(--r-card); margin-top:12px; overflow:hidden;
  background:var(--card); -webkit-backdrop-filter:var(--glass-filter); backdrop-filter:var(--glass-filter); box-shadow:var(--elev-1); }
.os-qa summary{ list-style:none; cursor:pointer; padding:18px 20px; font-family:var(--font-display); font-weight:600; font-size:15.5px;
  display:flex; align-items:center; gap:14px; color:var(--ink); }
.os-qa summary::-webkit-details-marker{ display:none; }
.os-qa .chev{ margin-left:auto; width:18px; height:18px; flex:none; color:var(--ink3); transition:transform .3s var(--ease-spring); }
.os-qa[open] .chev{ transform:rotate(135deg); color:var(--accent); }
.os-qa .ans{ padding:0 20px 18px; color:var(--ink2); font-size:14px; line-height:1.6; max-width:60ch; }

/* ── CTA stage (glass premium) ── */
.os-cta{ position:relative; border-radius:var(--r-stage); overflow:hidden; padding:clamp(40px,7vw,72px) clamp(24px,5vw,60px);
  text-align:center; background:linear-gradient(165deg,#121821,#0a0d12); box-shadow:var(--elev-d); border:1px solid rgba(255,255,255,.08); }
.os-cta h2{ font-family:var(--font-serif),Georgia,serif; font-weight:400; font-size:clamp(26px,4vw,44px); line-height:1.1; color:var(--ink-d); margin:0 auto; max-width:18ch; }
.os-cta p{ color:rgba(244,246,249,.74); font-size:15px; margin:16px auto 0; max-width:46ch; }
.os-cta .btnrow{ justify-content:center; margin-top:28px; }
.os-cta .btn-glass{ color:var(--ink-d); }

/* ── FOOTER ── */
.os-foot{ border-top:1px solid var(--line); margin-top:var(--sec-y); padding:30px 0 50px; }
.os-foot .in{ display:flex; flex-wrap:wrap; gap:14px; align-items:center; justify-content:space-between;
  font-family:var(--font-mono); font-size:11.5px; letter-spacing:.06em; color:var(--ink3); }
.os-foot a{ color:var(--ink2); } .os-foot a:hover{ color:var(--ink); }
.os-foot .links{ display:flex; gap:18px; flex-wrap:wrap; }

/* ── SCENE-DARK band (drama/kontras, gaya homepage: hero terang → proof gelap) ── */
.os-scene{ position:relative; background:linear-gradient(180deg,#0e1218,#0a0d12); color:var(--ink-d); }
.os-scene .k{ color:var(--ink3-d); } .os-scene .k::before{ background:var(--accent2); }
.os-scene .sec-head h2{ color:var(--ink-d); } .os-scene .sec-head h2 em{ color:var(--accent2); }
.os-scene .sec-head p{ color:var(--ink2-d); }

/* ── reduced motion ── */
@media (prefers-reduced-motion:reduce){
  .btn,.os-wcard,.os-feat li,.os-qa .chev,.os-show-bar .live i{ transition:none!important; animation:none!important; }
  .os-show .os-pbar i{ transition:none!important; width:var(--pct,68%); }
}

/* ── responsive ── */
@media (max-width:600px){
  body{ font-size:14.5px; }
  .os-nav .crumb{ display:none; }
  .os-hero{ padding-top:32px; }
  .os-stats{ grid-template-columns:repeat(2,1fr); }
  .os-cta{ padding:40px 22px; }
}