/* Ziyadah · situs. Arah visual: langit malam dan mushaf. Biru tinta, emas (warna sorot kata), hijau logo.
   Semua font di-host sendiri (SIL OFL): situs tanpa permintaan ke layanan luar, sejalan dengan prinsip privasi aplikasi. */

@font-face { font-family: "Instrument Serif"; src: url("fonts/InstrumentSerif.woff2") format("woff2"); font-display: swap; }
@font-face { font-family: "Instrument Serif"; src: url("fonts/InstrumentSerif-Italic.woff2") format("woff2"); font-style: italic; font-display: swap; }
@font-face { font-family: "Plus Jakarta Sans"; src: url("fonts/PlusJakartaSans.woff2") format("woff2"); font-weight: 400 700; font-display: swap; }
@font-face { font-family: "Amiri Quran"; src: url("fonts/AmiriQuran-Arabic.woff2") format("woff2"); font-display: block; }

:root {
  --ink: #0a1220;
  --ink-2: #111c2e;
  --ink-3: #1a2840;
  --paper: #f1ece0;
  --paper-dim: #b9b4a6;
  --gold: #e8c46c;
  --gold-deep: #c9a24a;
  --green: #217a57;
  --green-soft: #2f9a70;
  --line: rgba(241, 236, 224, 0.12);
  --serif: "Instrument Serif", "Times New Roman", serif;
  --sans: "Plus Jakarta Sans", "Segoe UI", sans-serif;
  --arabic: "Amiri Quran", "Traditional Arabic", serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
/* Bintang samar di seluruh halaman, digambar dengan gradien (tanpa gambar). */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(1px 1px at 12% 18%, rgba(255,255,255,.55), transparent),
    radial-gradient(1px 1px at 27% 72%, rgba(255,255,255,.35), transparent),
    radial-gradient(1.5px 1.5px at 44% 32%, rgba(255,255,255,.45), transparent),
    radial-gradient(1px 1px at 63% 12%, rgba(255,255,255,.4), transparent),
    radial-gradient(1px 1px at 78% 58%, rgba(255,255,255,.3), transparent),
    radial-gradient(1.5px 1.5px at 88% 24%, rgba(255,255,255,.5), transparent),
    radial-gradient(1px 1px at 92% 82%, rgba(255,255,255,.35), transparent),
    radial-gradient(1px 1px at 6% 88%, rgba(255,255,255,.3), transparent),
    radial-gradient(ellipse 80% 60% at 70% -10%, rgba(33,122,87,.22), transparent 60%),
    radial-gradient(ellipse 60% 50% at 0% 40%, rgba(232,196,108,.07), transparent 60%),
    var(--ink);
}
a { color: var(--gold); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: #f4d98f; }
em { font-style: italic; }
img { max-width: 100%; display: block; }

/* Status tashih: selalu di paling atas. */
.ribbon {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  padding: 9px 16px;
  background: #2b2414;
  border-bottom: 1px solid #6b5524;
  color: #f0dca6;
  font-size: 14px;
  text-decoration: none;
  text-align: center;
}
.ribbon:hover { color: #fff1c9; background: #33291a; }
.ribbon-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--gold); box-shadow: 0 0 0 4px rgba(232,196,108,.18); flex: none; }

.top {
  max-width: 1200px;
  margin: 0 auto;
  padding: 22px 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.brand { display: flex; align-items: center; gap: 12px; color: var(--paper); text-decoration: none; font-family: var(--serif); font-size: 28px; }
.brand img { border-radius: 8px; }
.top nav { display: flex; gap: 28px; font-size: 15px; }
.top nav a { color: var(--paper-dim); text-decoration: none; }
.top nav a:hover { color: var(--paper); }

main { max-width: 1200px; margin: 0 auto; padding: 0 28px; }

/* Hero */
.hero {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 56px;
  align-items: center;
  padding: 72px 0 120px;
}
.eyebrow { margin: 0 0 18px; font-size: 13px; letter-spacing: .14em; text-transform: uppercase; color: var(--green-soft); font-weight: 600; }
.eyebrow.gold { color: var(--gold); }
h1 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(56px, 8vw, 108px);
  line-height: .95;
  letter-spacing: -.02em;
}
h1 em { color: var(--gold); }
.lede { margin: 28px 0 0; max-width: 34em; font-size: 19px; color: var(--paper-dim); }
.cta { margin-top: 40px; }
.btn-download {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 16px 26px;
  border-radius: 14px;
  background: var(--gold);
  color: var(--ink);
  font-weight: 700;
  font-size: 17px;
  text-decoration: none;
  box-shadow: 0 10px 30px -10px rgba(232,196,108,.6);
  transition: transform .2s, box-shadow .2s, background .2s;
}
.btn-download:hover { color: var(--ink); background: #f2d283; transform: translateY(-2px); box-shadow: 0 16px 36px -12px rgba(232,196,108,.7); }
.btn-download svg { width: 20px; height: 20px; fill: currentColor; }
.btn-download.small { padding: 12px 20px; font-size: 15px; }
.cta-meta { margin: 14px 0 0; font-size: 14px; color: var(--paper-dim); }

/* Layar kerja: laptop gelap yang utuh dan proporsional. Panel Ziyadah di pojok kanan bawah di atas taskbar. */
.hero-stage { position: relative; }
.device { position: relative; filter: drop-shadow(0 40px 60px rgba(0,0,0,.55)); }
.screen {
  position: relative;
  aspect-ratio: 16 / 10;
  border: 10px solid #1b2232;
  border-bottom-width: 12px;
  border-radius: 16px 16px 6px 6px;
  overflow: hidden;
  background:
    radial-gradient(ellipse 70% 60% at 80% 10%, rgba(33,122,87,.25), transparent 60%),
    linear-gradient(160deg, #18243a, #0d1420 70%);
}
.device-base {
  height: 14px;
  margin: 0 -5%;
  border-radius: 2px 2px 16px 16px;
  background: linear-gradient(#323b50, #161c28);
}
.device-base::after {
  content: "";
  display: block;
  width: 18%;
  height: 5px;
  margin: 0 auto;
  border-radius: 0 0 6px 6px;
  background: #0d121b;
}

.sheet {
  position: absolute;
  inset: 4.5% 4% 14% 4%;
  border-radius: 8px;
  background: #121a28;
  border: 1px solid rgba(255,255,255,.07);
  overflow: hidden;
}
.sheet-bar { display: flex; align-items: center; gap: 5px; padding: 7px 10px; background: #172133; color: rgba(241,236,224,.5); font-size: 10.5px; }
.sheet-bar i { width: 7px; height: 7px; border-radius: 50%; background: rgba(255,255,255,.18); }
.sheet-bar span { margin-left: 8px; }
.sheet table { width: 100%; border-collapse: collapse; font-size: clamp(8px, .78vw, 11px); font-variant-numeric: tabular-nums; }
.sheet th, .sheet td { padding: .42em .7em; border: 1px solid rgba(255,255,255,.05); color: rgba(241,236,224,.45); font-weight: 400; text-align: right; white-space: nowrap; }
.sheet th { background: #152031; color: rgba(241,236,224,.3); text-align: center; width: 1.8em; }
.sheet td:first-of-type { text-align: left; }
.sheet td.h { color: rgba(241,236,224,.7); font-weight: 600; }
.sheet td.sel { outline: 2px solid var(--green-soft); outline-offset: -2px; color: var(--paper); }

.mini-panel {
  position: absolute;
  right: 2.4%;
  bottom: calc(9% + 2.4%);
  width: 34%;
  margin: 0;
  padding: .7em .9em .5em;
  border-radius: 10px;
  background: rgba(14, 20, 17, .78);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border: 1px solid rgba(255,255,255,.08);
  box-shadow: 0 12px 28px -10px rgba(0,0,0,.8);
  text-align: center;
  font-size: clamp(8px, .62vw, 10px);
}
.mini-ar { margin: 0; font-family: var(--arabic); font-size: 2.2em; line-height: 1.7; color: #f4f7f5; white-space: nowrap; }
.mini-ar.enter { animation: mini-enter .5s ease-out; }
.mini-ar .w { transition: color .15s; }
.mini-ar .w.on { color: var(--gold); }
.mini-tr { margin: .2em 0 0; font-size: .92em; line-height: 1.4; color: rgba(244,247,245,.78); }
.mini-panel figcaption { margin-top: .45em; font-size: .78em; color: rgba(244,247,245,.5); }
@keyframes mini-enter { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

.taskbar {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 9%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.2%;
  background: rgba(14, 19, 29, .94);
  border-top: 1px solid rgba(255,255,255,.06);
}
.tb-app { width: 3.2%; aspect-ratio: 1; border-radius: 4px; background: rgba(255,255,255,.14); }
.tb-app.on { background: rgba(47,154,112,.55); }
.tb-tray { position: absolute; right: 2.4%; display: flex; align-items: center; gap: .6em; color: rgba(241,236,224,.6); font-size: clamp(8px, .75vw, 11px); }
.tb-tray img { border-radius: 3px; }

.callout { margin: 18px 0 0; padding-right: 2%; text-align: right; font-size: 14px; color: var(--paper-dim); }
.callout span { color: var(--gold); font-weight: 700; margin-right: 4px; }

/* Bagian */
section { padding: 96px 0; }
.section-title { margin: 0 0 48px; font-family: var(--serif); font-weight: 400; font-size: clamp(36px, 4.6vw, 60px); line-height: 1.05; letter-spacing: -.01em; max-width: 16em; }
.section-title em { color: var(--gold); }

.grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 20px; overflow: hidden; }
.feat { padding: 32px 28px 34px; background: var(--ink); transition: background .3s; }
.feat:hover { background: var(--ink-2); }
.feat-wide { grid-column: span 2; }
.feat .num { font-family: var(--serif); font-size: 22px; color: var(--gold); }
.feat h3 { margin: 10px 0 8px; font-size: 19px; font-weight: 700; letter-spacing: -.01em; }
.feat p { margin: 0; color: var(--paper-dim); font-size: 15.5px; }

.fs-head { display: grid; grid-template-columns: 1.1fr 1fr; gap: 48px; align-items: end; margin-bottom: 40px; }
.fs-head .section-title { margin: 0; }
.fs-head p { margin: 0; color: var(--paper-dim); }
.shots { display: grid; grid-template-columns: 2fr 1fr; grid-template-rows: auto auto; gap: 18px; }
.shot { margin: 0; border-radius: 16px; overflow: hidden; background: #000; border: 1px solid var(--line); position: relative; }
.shot-main { grid-row: span 2; }
.shot img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s ease; }
.shot:hover img { transform: scale(1.03); }
.shot figcaption { position: absolute; left: 14px; bottom: 12px; font-size: 12px; color: rgba(255,255,255,.75); text-shadow: 0 1px 4px #000; }
.keys { list-style: none; padding: 0; margin: 28px 0 0; display: flex; flex-wrap: wrap; gap: 10px 26px; color: var(--paper-dim); font-size: 15px; }
kbd { display: inline-block; min-width: 26px; padding: 2px 8px; border-radius: 7px; border: 1px solid var(--line); border-bottom-width: 2px; background: var(--ink-2); color: var(--paper); font-family: var(--sans); font-size: 13px; text-align: center; }

.amanah-card {
  padding: 56px clamp(24px, 5vw, 64px);
  border-radius: 24px;
  background: linear-gradient(160deg, #1d1a12, #141a22 70%);
  border: 1px solid #4e3f1d;
}
.amanah h2 { margin: 0 0 36px; font-family: var(--serif); font-weight: 400; font-size: clamp(36px, 4.6vw, 58px); line-height: 1.05; }
.amanah dl { margin: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 30px 48px; }
.amanah dt { font-weight: 700; color: #f0dca6; margin-bottom: 6px; }
.amanah dd { margin: 0; color: var(--paper-dim); font-size: 15.5px; }

.install ol { list-style: none; padding: 0; margin: 0 0 36px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.install li { padding: 26px; border-radius: 18px; background: var(--ink-2); border: 1px solid var(--line); }
.install li span { display: inline-grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; background: var(--green); font-weight: 700; font-size: 15px; }
.install li p { margin: 14px 0 0; color: var(--paper-dim); font-size: 15.5px; }
.install li strong { color: var(--paper); }

.foot { max-width: 1200px; margin: 40px auto 0; padding: 48px 28px 40px; border-top: 1px solid var(--line); font-size: 14.5px; color: var(--paper-dim); }
.foot-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.foot-brand { display: flex; align-items: center; gap: 10px; margin: 0 0 10px; font-family: var(--serif); font-size: 24px; color: var(--paper); }
.foot-brand img { border-radius: 5px; }
.foot-h { margin: 0 0 10px; font-weight: 700; color: var(--paper); }
.foot ul { margin: 0; padding-left: 18px; }
.muted { color: #858c97; }
.small { font-size: 13px; margin-top: 28px; }

/* Masuk halaman: muncul bertahap. */
.hero-copy > *, .hero-stage { opacity: 0; transform: translateY(14px); animation: rise .8s cubic-bezier(.2,.7,.2,1) forwards; }
.hero-copy > :nth-child(2) { animation-delay: .08s; }
.hero-copy > :nth-child(3) { animation-delay: .16s; }
.hero-copy > :nth-child(4) { animation-delay: .24s; }
.hero-stage { animation-delay: .35s; }
@keyframes rise { to { opacity: 1; transform: none; } }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero-copy > *, .hero-stage { animation: none; opacity: 1; transform: none; }
  .shot img, .btn-download, .mini-ar .w { transition: none; }
  .mini-ar.enter { animation: none; }
}

@media (max-width: 900px) {
  .top nav { display: none; }
  .hero { grid-template-columns: 1fr; padding: 40px 0 80px; gap: 48px; }
  .grid { grid-template-columns: 1fr 1fr; }
  .fs-head, .amanah dl, .foot-cols { grid-template-columns: 1fr; }
  .shots { grid-template-columns: 1fr; }
  .shot-main { grid-row: auto; }
  .install ol { grid-template-columns: 1fr; }
  section { padding: 64px 0; }
}
@media (max-width: 560px) {
  body { font-size: 16px; }
  main, .top { padding-left: 16px; padding-right: 16px; }
  .grid { grid-template-columns: 1fr; }
  .feat-wide { grid-column: auto; }
  .callout { text-align: left; }
}