@font-face {
  font-family: Vazirmatn;
  src: url("../fonts/Vazirmatn-Regular.woff2") format("woff2");
  font-weight: 400; font-display: swap;
}
@font-face {
  font-family: Vazirmatn;
  src: url("../fonts/Vazirmatn-SemiBold.woff2") format("woff2");
  font-weight: 600; font-display: swap;
}
@font-face {
  font-family: Vazirmatn;
  src: url("../fonts/Vazirmatn-Bold.woff2") format("woff2");
  font-weight: 700; font-display: swap;
}

:root {
  --ink: #0a0a0c;
  --ink-2: #101114;
  --ink-3: #16181c;
  --rule: #23262b;
  --rule-2: #1a1c20;
  --text: #f7f7f8;
  --dim: #a4abb2;
  --faint: #71787f;
  --cyan: #35c2e8;
  --cyan-ink: #04212b;
  --gold: #fbbf24;
  --shell: 1160px;
  --pad: 24px;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

body {
  margin: 0;
  background: var(--ink);
  color: var(--text);
  font: 400 16px/1.6 Vazirmatn, Tahoma, system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}
/* Vazirmatn ss01 draws even Latin codepoints as Persian glyphs: FA wants that,
   EN must not. html[lang] flips with the toggle. */
html[lang="fa"] body { font-feature-settings: "ss01"; }

h1, h2, h3 { margin: 0; font-weight: 700; letter-spacing: -.02em; line-height: 1.15; text-wrap: balance; }
p { margin: 0; }
ul, ol, dl, dd { margin: 0; padding: 0; }
li { list-style: none; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
b, strong { font-weight: 700; }

::focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; border-radius: 3px; }
::selection { background: var(--cyan); color: var(--cyan-ink); }

.shell { width: min(var(--shell), 100% - var(--pad) * 2); margin-inline: auto; }

.skip {
  position: absolute; inset-inline-start: 16px; top: -48px; z-index: 30;
  padding: 9px 16px; border: 1px solid var(--rule); border-radius: 8px;
  background: var(--ink-2); transition: top .15s;
}
.skip:focus-visible { transform: none; top: 12px; }

/* Numerals: counts are localized in JS. Tabular figures keep every column
   still while they change. Prices and big counts carry no negative tracking:
   it tightens Latin headlines, but crushes Vazirmatn digits. */
.num, .counts .n, .tier-price strong, .tier-count b, .plate-meta,
.struct-i, .cards-note, .price, .plate-count {
  font-variant-numeric: tabular-nums;
}
.tier-price strong, .tier-count b { letter-spacing: 0; }

/* ---------- top bar ---------- */
.bar { position: sticky; top: 0; z-index: 20; background: color-mix(in srgb, var(--ink) 86%, transparent); backdrop-filter: blur(10px); border-block-end: 1px solid var(--rule-2); }
.bar-in { display: flex; align-items: center; gap: 28px; min-height: 60px; }
.brand { display: flex; align-items: center; gap: 9px; }
.brand-mark { width: 22px; height: 22px; color: var(--text); }
.brand-name { font-weight: 700; font-size: 17px; letter-spacing: -.01em; }
.bar-nav { display: flex; gap: 22px; font-size: 14px; color: var(--dim); }
.bar-nav a:hover { color: var(--text); }
.bar-end { display: flex; align-items: center; gap: 10px; margin-inline-start: auto; }
.lang { padding: 7px 12px; border: 1px solid var(--rule); border-radius: 8px; color: var(--dim); font-size: 13px; font-weight: 600; }
.lang:hover { color: var(--text); border-color: var(--faint); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 46px; padding: 11px 24px; border: 1px solid transparent;
  border-radius: 10px; font-size: 15px; font-weight: 600;
  transition: background .15s, border-color .15s;
}
.btn-sm { min-height: 36px; padding: 8px 15px; font-size: 13.5px; }
.btn-lg { min-height: 52px; padding: 15px 32px; font-size: 16px; }
.btn-full { width: 100%; margin-block-start: auto; }
.btn-primary { background: var(--cyan); color: var(--cyan-ink); }
.btn-primary:hover { background: #56d0f0; }
.btn-ghost { border-color: var(--rule); color: var(--text); }
.btn-ghost:hover { background: var(--ink-3); border-color: var(--faint); }

/* ---------- hero: the library wall is the argument ---------- */
.hero { position: relative; padding-block: 84px 0; overflow: hidden; }
.wall {
  position: absolute; inset: 0; display: grid;
  grid-template-columns: repeat(auto-fill, minmax(96px, 1fr)); gap: 3px;
  opacity: .4; -webkit-mask-image: linear-gradient(to bottom, transparent 0, #000 26%, #000 72%, transparent);
  mask-image: linear-gradient(to bottom, transparent 0, #000 26%, #000 72%, transparent);
}
.wall img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(1) contrast(1.08); }
/* center scrim: the headline must win against bright tiles underneath, and
   the bottom must fall to solid ink before the counts row */
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: 1;
  background:
    radial-gradient(ellipse 66% 64% at 50% 36%, var(--ink) 30%, transparent 76%),
    linear-gradient(to bottom, transparent 52%, var(--ink) 88%);
}
.hero-in { position: relative; z-index: 2; padding-block: 96px 0; text-align: center; }
.hero h1 { font-size: clamp(36px, 6vw, 68px); letter-spacing: -.035em; }
.lede { max-width: 560px; margin: 18px auto 0; color: var(--dim); font-size: clamp(16px, 1.8vw, 19px); line-height: 1.7; }
.hero-do { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-block-start: 32px; }
.hero-free { margin-block-start: 18px; color: var(--faint); font-size: 13.5px; }

.counts { position: relative; z-index: 2; display: grid; grid-template-columns: repeat(3, 1fr); margin-block: 72px 0; border-block: 1px solid var(--rule-2); }
.counts > div { padding: 22px 4px 26px; border-inline-end: 1px solid var(--rule-2); }
.counts > div:last-child { border-inline-end: 0; }
.counts .n { font-size: clamp(26px, 3.4vw, 38px); font-weight: 700; line-height: 1; }
.counts .unit { margin-inline-start: 8px; color: var(--faint); font-size: 13px; font-weight: 400; }

/* ---------- section furniture ---------- */
.head { max-width: 58ch; }
.kicker { color: var(--cyan); font-size: 12px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.head h2 { margin-block-start: 14px; font-size: clamp(28px, 4vw, 44px); letter-spacing: -.03em; }
.head-lede { margin-block-start: 14px; color: var(--dim); font-size: 17px; line-height: 1.6; }

.labels { padding-block: 104px; border-block-start: 1px solid var(--rule-2); }

/* ---------- plates: burned-in labeled figures ---------- */
.plates {
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px; margin-block-start: 44px;
}
.plate {
  margin: 0; display: grid; grid-template-rows: auto 1fr; gap: 0;
  border: 1px solid var(--rule); border-radius: 12px; overflow: hidden;
  background: var(--ink-2);
}
.plate-cap {
  display: flex; align-items: baseline; gap: 10px;
  padding: 13px 16px; border-block-end: 1px solid var(--rule);
}
.plate-title { font-size: 14px; font-weight: 600; }
.plate-meta { margin-inline-start: auto; color: var(--faint); font-size: 11.5px; letter-spacing: .02em; }
.plate-stage { position: relative; padding: 18px; }
.plate-dark { background: #000; }
.plate-light { background: #fff; }
.plate-art { position: relative; width: fit-content; margin-inline: auto; max-width: 100%; }
.plate-art img { display: block; max-width: 100%; height: auto; }
.plate-lines { position: absolute; inset: 0; width: 100%; height: 100%; }
.pl-line { fill: none; stroke: var(--cyan); stroke-width: 1.4; vector-effect: non-scaling-stroke; opacity: .85; }
.pl-dot { fill: var(--cyan); }
.plate-light .pl-line { stroke: #0e7490; }
.plate-light .pl-dot { fill: #0e7490; }
.pl-num { fill: var(--cyan); }
.pl-n { fill: var(--cyan-ink); font-weight: 700; font-family: var(--mono); }
.plate-light .pl-num { fill: #0e7490; }
.plate-light .pl-n { fill: #fff; }
.plate .pl { transition: opacity .12s; }
.plate.dim .pl:not(.on) .pl-line, .plate.dim .pl:not(.on) .pl-dot, .plate.dim .pl:not(.on) .pl-num, .plate.dim .pl:not(.on) .pl-n { opacity: .18; }
.plate.dim .pl.on .pl-line, .plate.dim .pl.on .pl-dot, .plate.dim .pl.on .pl-num, .plate.dim .pl.on .pl-n { opacity: 1; }
.plate-light.dim .pl:not(.on) .pl-line, .plate-light.dim .pl:not(.on) .pl-dot, .plate-light.dim .pl:not(.on) .pl-num, .plate-light.dim .pl:not(.on) .pl-n { opacity: .3; }
.plate-count { position: absolute; inset-block-end: 10px; inset-inline-end: 12px; color: color-mix(in srgb, var(--text) 55%, transparent); font-size: 11px; letter-spacing: .04em; }

.plate-legend { display: grid; grid-auto-rows: min-content; gap: 2px; padding: 12px 10px 14px; border-block-start: 1px solid var(--rule); }
.plate-legend li { display: flex; gap: 10px; align-items: baseline; padding: 6px 8px; border-radius: 7px; cursor: default; }
.plate-legend li:hover { background: var(--ink-3); }
.plate-legend li.on { background: color-mix(in srgb, var(--cyan) 12%, transparent); }
.lg-i { flex: 0 0 auto; color: var(--faint); font: 400 11px/1.5 var(--mono); direction: ltr; unicode-bidi: isolate; }
.lg-t { font-size: 13px; color: var(--dim); unicode-bidi: plaintext; }
.plate-legend li.on .lg-t { color: var(--text); }

.plates-note { margin-block-start: 26px; color: var(--faint); font-size: 13px; }

/* ---------- library ---------- */
.library { padding-block: 104px; border-block-start: 1px solid var(--rule-2); }
.filters { display: flex; flex-wrap: wrap; gap: 7px; margin-block-start: 34px; }
.filters button {
  padding: 8px 14px; border: 1px solid var(--rule); border-radius: 999px;
  color: var(--dim); font-size: 13.5px;
}
.filters button:hover { color: var(--text); border-color: var(--faint); }
.filters button.is-on { background: var(--text); border-color: var(--text); color: var(--ink); font-weight: 600; }
.filters .n { color: var(--faint); font-size: 11.5px; margin-inline-start: 5px; font-variant-numeric: tabular-nums; }
.filters button.is-on .n { color: color-mix(in srgb, var(--ink) 55%, transparent); }

.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(168px, 1fr)); gap: 12px; margin-block-start: 18px; }
.card { position: relative; border: 1px solid var(--rule-2); border-radius: 10px; overflow: hidden; background: var(--ink-2); }
.card-shot { position: relative; aspect-ratio: 4 / 3; background: #000; }
.card-shot img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(1); }
.card-badge { position: absolute; top: 8px; inset-inline-start: 8px; padding: 3px 8px; border-radius: 999px; font-size: 10.5px; font-weight: 600; }
.card-free { background: var(--cyan); color: var(--cyan-ink); }
.card-mod { background: color-mix(in srgb, var(--ink) 72%, transparent); color: #c8cdd2; border: 1px solid color-mix(in srgb, #fff 14%, transparent); }
.card-body { padding: 11px 12px 13px; }
.card-name { font-size: 13.5px; font-weight: 600; line-height: 1.35; unicode-bidi: plaintext; }
.card-meta { margin-block-start: 5px; color: var(--faint); font-size: 11.5px; font-variant-numeric: tabular-nums; }
.cards-note { margin-block-start: 22px; color: var(--faint); font-size: 13px; }

/* ---------- pricing ---------- */
.pricing { padding-block: 104px; border-block-start: 1px solid var(--rule-2); }
.cycle { display: inline-flex; gap: 4px; margin-block-start: 28px; padding: 4px; border: 1px solid var(--rule); border-radius: 10px; }
.cycle-btn { padding: 8px 16px; border-radius: 7px; color: var(--dim); font-size: 13.5px; }
.cycle-btn.is-on { background: var(--ink-3); color: var(--text); font-weight: 600; }
.tier { display: flex; flex-direction: column; padding: 22px 20px; border: 1px solid var(--rule-2); border-radius: 12px; background: var(--ink-2); }
.tiers { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-block-start: 20px; }
.cycle-btn small { color: var(--gold); font-size: 11px; margin-inline-start: 6px; }
.tier-full { border-color: color-mix(in srgb, var(--gold) 45%, transparent); }
.tier h3 { font-size: 19px; }
.tier-full h3 { color: var(--gold); }
.tier-for { margin-block-start: 6px; color: var(--dim); font-size: 13px; line-height: 1.5; min-height: 39px; }
.tier-price { display: flex; align-items: baseline; gap: 8px; margin-block-start: 18px; }
.tier-price strong { font-size: 30px; }
.tier-unit { color: var(--faint); font-size: 12.5px; }
.tier-count { margin-block-start: 12px; color: var(--dim); font-size: 13.5px; }
.tier-count b { color: var(--text); font-size: 19px; margin-inline-end: 2px; }
.tier-has { display: grid; gap: 8px; margin-block: 18px 22px; }
.tier-has li { position: relative; padding-inline-start: 17px; color: var(--dim); font-size: 13px; line-height: 1.5; }
.tier-has li::before { content: ""; position: absolute; inset-inline-start: 0; top: .5em; width: 8px; height: 8px; border-radius: 2px; background: color-mix(in srgb, var(--cyan) 70%, transparent); }
.tier-full .tier-has li::before { background: color-mix(in srgb, var(--gold) 70%, transparent); }
.fine { margin-block-start: 20px; color: var(--faint); font-size: 12.5px; line-height: 1.7; }

/* ---------- questions ---------- */
.qa { padding-block: 104px; border-block-start: 1px solid var(--rule-2); }
.qa-in { max-width: 760px; }
.qa h2 { font-size: clamp(26px, 3.4vw, 36px); letter-spacing: -.03em; }
.qa-list { margin-block-start: 28px; border-block-start: 1px solid var(--rule-2); }
.qa-list > div { padding-block: 20px; border-block-end: 1px solid var(--rule-2); }
.qa-list dt { font-size: 15px; font-weight: 600; }
.qa-list dd { margin-block-start: 8px; color: var(--dim); font-size: 14.5px; line-height: 1.7; }
.qa-list a { color: var(--cyan); }

/* ---------- close ---------- */
.end { padding-block: 96px; border-block-start: 1px solid var(--rule-2); }
.end-in { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 24px; }
.end-line { font-size: clamp(21px, 2.8vw, 30px); font-weight: 700; letter-spacing: -.025em; text-wrap: balance; }

.foot { padding-block: 24px; border-block-start: 1px solid var(--rule-2); }
.foot-in { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; color: var(--faint); font-size: 12.5px; }
.foot-brand { color: var(--dim); font-weight: 700; }
.foot-note { margin-inline-end: auto; }
.foot a:hover { color: var(--text); }

/* ---------- narrower ---------- */
@media (max-width: 960px) {
  .plates { grid-template-columns: 1fr; }
  .tiers { grid-template-columns: 1fr; max-width: 460px; }
  .tier-for { min-height: 0; }
}

@media (max-width: 640px) {
  :root { --pad: 18px; }
  .counts { grid-template-columns: repeat(3, 1fr); margin-block-start: 60px; }
  .bar-nav { display: none; }
  .counts .n { font-size: 21px; }
  .counts .unit { display: block; margin-inline-start: 0; margin-block-start: 5px; font-size: 11.5px; }
  .hero { padding-block-start: 40px; }
  .hero-in { padding-block-start: 52px; }
  .wall { grid-template-columns: repeat(auto-fill, minmax(84px, 1fr)); gap: 2px; opacity: .42; }
  .hero-do { flex-direction: column; align-items: stretch; }
  .labels, .library, .pricing, .qa { padding-block: 68px; }
  .end { padding-block: 64px; }
  .plate-stage { padding: 12px; }
  .cards { grid-template-columns: repeat(auto-fill, minmax(146px, 1fr)); gap: 10px; }
  .end-in { flex-direction: column; align-items: stretch; text-align: start; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}