/* ==========================================================
   LUMORA.CODES — Night Chamber
   Jewel-room lapis · metallic pyrite · blue-cast light
   ========================================================== */
:root {
  --bg: #F4F6FB;
  --tint: #E8EDF8;
  --surface: #FAFBFE;
  --field: #FFFFFF;
  --ink: #070C1C;
  --ink-2: #3A4563;
  --ink-3: #7A849E;
  --line: rgba(14, 24, 64, .08);
  --line-2: rgba(14, 24, 64, .14);
  --lapis: #1A2F7C;
  --lapis-deep: #0C1640;
  --lapis-soft: #2A3F9A;
  --lapis-hover: #243A96;
  --accent: #1A2F7C;
  --pyrite: #B8922A;
  --pyrite-bright: #E6C65A;
  --chamber: #070B18;
  --glass: color-mix(in srgb, var(--surface) 86%, var(--lapis) 14%);

  --shadow-xs: 0 1px 2px rgba(14, 28, 72, .05);
  --shadow-sm: 0 6px 18px -8px rgba(14, 28, 72, .12);
  --shadow-md: 0 18px 44px -20px rgba(14, 28, 72, .2);
  --shadow-lg: 0 34px 76px -28px rgba(14, 28, 72, .32);

  --r: 4px;
  --r-lg: 10px;
  --f-display: "Estedad", "IBM Plex Sans Arabic", system-ui, sans-serif;
  --f-body: "IBM Plex Sans Arabic", system-ui, sans-serif;
  --f-latin: "Manrope", "IBM Plex Sans", system-ui, sans-serif;
  --wrap: 1160px;
  --header: 72px;
  --ease: cubic-bezier(.22, .72, .18, 1);
  --ease-out: cubic-bezier(.16, 1, .3, 1);
  color-scheme: light;
}

/* Dark — Obsidian Chamber: ink black · luminous sapphire · champagne gold */
:root[data-theme="dark"] {
  --bg: #04060D;
  --tint: #0A0F1C;
  --surface: #12192A;
  --field: #0B111F;
  --ink: #F3F1EB;
  --ink-2: #B9B7C9;
  --ink-3: #7C7B8F;
  --line: rgba(243, 241, 235, .075);
  --line-2: rgba(243, 241, 235, .14);
  --lapis: #3E63E0;
  --lapis-deep: #03050C;
  --lapis-soft: #5B7CF0;
  --lapis-hover: #7190F7;
  --accent: #C9D0FF;
  --pyrite: #D6B56A;
  --pyrite-bright: #F2DF9A;
  --chamber: #03050C;
  --glass: color-mix(in srgb, var(--surface) 70%, #243B8C 30%);
  --glow-lapis: rgba(62, 99, 224, .28);
  --glow-gold: rgba(214, 181, 106, .16);
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, .45);
  --shadow-sm: 0 10px 28px -12px rgba(0, 0, 0, .55), 0 0 0 1px rgba(62, 99, 224, .06);
  --shadow-md: 0 22px 50px -18px rgba(0, 0, 0, .65), 0 0 40px -20px rgba(62, 99, 224, .2);
  --shadow-lg: 0 40px 90px -30px rgba(0, 0, 0, .78), 0 0 60px -24px rgba(214, 181, 106, .12);
  color-scheme: dark;
}

:root[lang="en"] {
  --f-display: "Manrope", system-ui, sans-serif;
  --f-body: "IBM Plex Sans", system-ui, sans-serif;
}

html[lang="fa"] x-en, html[lang="en"] x-fa { display: none !important; }

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header) + 24px); -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background:
    radial-gradient(ellipse 90% 55% at 0% -10%, color-mix(in srgb, var(--lapis) 7%, transparent), transparent 55%),
    radial-gradient(ellipse 70% 45% at 100% 0%, color-mix(in srgb, var(--pyrite) 5%, transparent), transparent 50%),
    var(--bg);
  color: var(--ink);
  font-family: var(--f-body);
  font-size: 16.5px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  transition: background-color .35s, color .35s;
}
:root[data-theme="dark"] body {
  background:
    radial-gradient(ellipse 90% 55% at 0% -8%, rgba(62, 99, 224, .2), transparent 52%),
    radial-gradient(ellipse 60% 45% at 100% 0%, rgba(214, 181, 106, .1), transparent 48%),
    radial-gradient(ellipse 50% 35% at 50% 100%, rgba(62, 99, 224, .08), transparent 55%),
    linear-gradient(180deg, #060914 0%, var(--bg) 40%, #03050C 100%);
}
:root[data-theme="dark"] ::selection {
  background: #3E63E0;
  color: #F3F1EB;
}
:root[lang="en"] body { line-height: 1.62; letter-spacing: -.011em; }
body.is-loading { overflow: hidden; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; background: none; border: 0; padding: 0; }
h1, h2, h3, h4, p, dl, dd, ul, ol, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
::selection { background: var(--lapis); color: #fff; }

.wrap { width: min(var(--wrap), 100% - 40px); margin-inline: auto; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip {
  position: absolute; inset-inline-start: 16px; top: -80px; z-index: 400;
  padding: 10px 16px; background: var(--lapis); color: #fff; border-radius: var(--r);
}
.skip:focus { top: 12px; }

/* scroll progress */
.progress {
  position: fixed; top: 0; inset-inline: 0; z-index: 200; height: 2px;
  background: linear-gradient(90deg, var(--pyrite), var(--lapis-soft));
  transform-origin: left; transform: scaleX(0);
  pointer-events: none;
}
:root[dir="rtl"] .progress { transform-origin: right; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  margin-bottom: 14px;
  font-size: 12.5px; font-weight: 600; color: var(--ink-3);
}
.eyebrow::before {
  content: ""; width: 20px; height: 2px; background: var(--pyrite); border-radius: 1px; flex: none;
}
.band .eyebrow { color: rgba(255, 255, 255, .55); }

.link {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--accent); font-weight: 600; font-size: 14.5px;
  border-bottom: 1px solid color-mix(in srgb, currentColor 35%, transparent);
  padding-bottom: 1px;
  transition: gap .25s var(--ease), border-color .2s;
}
.link::after { content: "←"; font-family: var(--f-latin); font-size: .85em; opacity: .7; }
:root[dir="ltr"] .link::after { content: "→"; }
.link:hover { gap: 12px; border-color: currentColor; }
.band .link { color: var(--pyrite-bright); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 50px; padding: 0 26px; border-radius: var(--r);
  border: 1px solid transparent;
  font-weight: 600; font-size: 14.5px; white-space: nowrap;
  transition: background .25s, border-color .25s, color .2s, box-shadow .3s, transform .22s var(--ease);
}
.btn--sm { min-height: 38px; padding: 0 14px; font-size: 13px; border-radius: var(--r); }
.btn--block { width: 100%; }
.btn--lapis {
  color: #fff;
  background:
    linear-gradient(180deg, rgba(255,255,255,.1), transparent 42%),
    linear-gradient(135deg, var(--lapis-soft), var(--lapis-deep) 72%);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.16),
    0 1px 0 rgba(14, 28, 72, .08),
    0 10px 28px -14px rgba(14, 28, 72, .45);
}
.btn--lapis:hover {
  background:
    linear-gradient(180deg, rgba(255,255,255,.14), transparent 42%),
    linear-gradient(135deg, var(--lapis-hover), var(--lapis) 70%);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.2),
    0 0 0 1px color-mix(in srgb, var(--pyrite) 35%, transparent),
    0 14px 34px -14px rgba(14, 28, 72, .5);
  transform: translateY(-1px);
}
.btn--white {
  background: #fff; color: var(--lapis);
  box-shadow: 0 1px 0 rgba(255,255,255,.3), 0 12px 30px -14px rgba(7, 11, 24, .45);
}
.btn--white:hover { background: #F4F6FB; transform: translateY(-1px); }
.btn--ghost {
  border-color: rgba(255,255,255,.32); color: #fff;
  background: rgba(255,255,255,.05);
}
.btn--ghost:hover {
  border-color: color-mix(in srgb, var(--pyrite-bright) 55%, #fff);
  background: rgba(255,255,255,.09);
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--pyrite) 25%, transparent);
}
:root[data-theme="dark"] .btn--lapis {
  color: #F3F1EB;
  background:
    linear-gradient(180deg, rgba(255,255,255,.16), transparent 42%),
    linear-gradient(135deg, #5B7CF0 0%, #3E63E0 45%, #243CA8 100%);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.2),
    0 0 0 1px rgba(214, 181, 106, .18),
    0 12px 32px -12px rgba(62, 99, 224, .55);
}
:root[data-theme="dark"] .btn--lapis:hover {
  background:
    linear-gradient(180deg, rgba(255,255,255,.2), transparent 42%),
    linear-gradient(135deg, #7190F7 0%, #4A6FE8 50%, #2F4BB8 100%);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.24),
    0 0 0 1px rgba(242, 223, 154, .35),
    0 16px 40px -12px rgba(62, 99, 224, .65),
    0 0 28px -8px rgba(214, 181, 106, .25);
}

/* ---------- loader ---------- */
.loader { display: none; }
.js .loader {
  position: fixed; inset: 0; z-index: 500;
  display: grid; place-items: center;
  background:
    radial-gradient(ellipse 65% 50% at 50% 40%, #1A2F7C, transparent 70%),
    radial-gradient(ellipse 80% 70% at 80% 90%, rgba(184, 146, 42, .12), transparent 50%),
    var(--chamber);
  color: #fff;
  transition: opacity .65s var(--ease), visibility .65s;
}
.loader.is-done { opacity: 0; visibility: hidden; }
.loader__stage { width: min(260px, 68vw); transition: transform .7s var(--ease-out), opacity .5s; }
.loader.is-done .loader__stage { transform: translateY(-14px) scale(.97); opacity: 0; }
.cpu { width: 100%; overflow: visible; }
.cpu__body { fill: rgba(255,255,255,.03); stroke: rgba(255,255,255,.35); stroke-width: 1.2; }
.cpu__die { fill: none; stroke: rgba(255,255,255,.2); stroke-width: 1; }
.cpu__star {
  fill: none; stroke: #fff; stroke-width: 2.2; stroke-linejoin: round; stroke-linecap: round;
  stroke-dasharray: 160; stroke-dashoffset: 160;
  animation: draw 1.2s .15s var(--ease) forwards;
}
.cpu__core { fill: #E6C65A; opacity: 0; animation: fadeIn .35s 1.15s forwards; }
@keyframes draw { to { stroke-dashoffset: 0; } }
@keyframes fadeIn { to { opacity: 1; } }
.cpu__pins rect { fill: rgba(255,255,255,.2); transition: fill .3s; }
.cpu__pins rect.on { fill: #E6C65A; }
.cpu__traces path {
  fill: none; stroke: rgba(255,255,255,.5); stroke-width: 1; stroke-linejoin: round;
  stroke-dasharray: var(--len); stroke-dashoffset: var(--len);
  transition: stroke-dashoffset .55s var(--ease);
}
.cpu__traces path.on { stroke-dashoffset: 0; }
.cpu__traces circle { fill: none; stroke: rgba(255,255,255,.22); stroke-width: 1; transition: fill .3s, stroke .3s; }
.cpu__traces circle.on { fill: #E6C65A; stroke: #E6C65A; }
.loader__row { display: flex; justify-content: space-between; align-items: baseline; margin-top: 26px; direction: ltr; }
.loader__brand { font-family: var(--f-latin); font-weight: 800; font-size: 19px; letter-spacing: -.02em; }
.loader__pct { font-family: var(--f-latin); font-size: 12px; opacity: .65; font-variant-numeric: tabular-nums; }
.loader__bar { height: 1px; margin-top: 12px; background: rgba(255,255,255,.12); direction: ltr; }
.loader__bar span { display: block; height: 100%; width: 0; background: linear-gradient(90deg, #fff 35%, #E6C65A); }

/* ---------- header ---------- */
.header {
  position: sticky; top: 0; z-index: 100;
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  backdrop-filter: blur(16px) saturate(1.3);
  -webkit-backdrop-filter: blur(16px) saturate(1.3);
  border-bottom: 1px solid transparent;
  transition: border-color .3s, box-shadow .3s, background .3s;
}
.header.is-scrolled {
  border-bottom-color: var(--line);
  box-shadow: var(--shadow-xs);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
}
:root[data-theme="dark"] .header {
  background: color-mix(in srgb, #04060D 72%, transparent);
  backdrop-filter: blur(18px) saturate(1.4);
  -webkit-backdrop-filter: blur(18px) saturate(1.4);
}
:root[data-theme="dark"] .header.is-scrolled {
  background: color-mix(in srgb, #04060D 90%, #12192A 10%);
  border-bottom-color: rgba(214, 181, 106, .12);
  box-shadow: 0 10px 40px -20px rgba(0, 0, 0, .7), 0 0 0 1px rgba(62, 99, 224, .06);
}
.header__inner { display: flex; align-items: center; gap: 24px; height: var(--header); }

.brand { display: inline-flex; align-items: center; gap: 10px; direction: ltr; flex: none; }
.brand__mark { width: 34px; height: 34px; transition: transform .4s var(--ease); }
.brand:hover .brand__mark { transform: translateY(-1px); }
.brand__bg { fill: var(--lapis); }
:root[data-theme="dark"] .brand__bg { fill: #3E63E0; }
:root[data-theme="dark"] .brand__accent { fill: #F2DF9A; }
:root[data-theme="dark"] .brand__name span { color: rgba(243, 241, 235, .42); }
.brand__l { fill: #fff; }
.brand__accent { fill: #E6C65A; }
.brand__name { font-family: var(--f-latin); font-weight: 800; font-size: 18.5px; letter-spacing: -.03em; }
.brand__name span { font-weight: 500; color: var(--ink-3); }

.nav { display: flex; gap: 2px; }
.nav a {
  position: relative; padding: 8px 11px;
  font-size: 14px; font-weight: 500; color: var(--ink-2);
  transition: color .2s;
}
.nav a::after {
  content: ""; position: absolute; inset-inline: 11px -2px; bottom: 3px; height: 1.5px;
  background: var(--pyrite); border-radius: 1px;
  transform: scaleX(0); transition: transform .28s var(--ease);
}
.nav a:hover { color: var(--ink); }
.nav a:hover::after { transform: scaleX(1); }

.controls { display: flex; align-items: center; gap: 6px; margin-inline-start: auto; }
.ctrl {
  height: 38px; min-width: 38px; display: inline-grid; place-items: center;
  border-radius: var(--r); color: var(--ink-2);
  border: 1px solid transparent;
  transition: color .2s, background .2s, border-color .2s;
}
.ctrl:hover { color: var(--ink); background: var(--tint); border-color: var(--line); }
.ctrl--lang {
  padding: 0 11px; font-family: var(--f-latin); font-size: 12px; font-weight: 700; letter-spacing: .06em;
}
.ctrl--lang x-en { font-family: var(--f-body); letter-spacing: 0; }
.ctrl--theme svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; }
.ctrl--theme .i-sun { display: none; }
:root[data-theme="dark"] .ctrl--theme .i-sun { display: block; }
:root[data-theme="dark"] .ctrl--theme .i-moon { display: none; }
.ctrl--menu { display: none; gap: 5px; align-content: center; }
.ctrl--menu span { display: block; width: 17px; height: 1.5px; background: currentColor; transition: transform .3s var(--ease); }
.ctrl--menu[aria-expanded="true"] span:first-child { transform: translateY(3.25px) rotate(45deg); }
.ctrl--menu[aria-expanded="true"] span:last-child { transform: translateY(-3.25px) rotate(-45deg); }

/* ---------- hero ---------- */
.hero {
  position: relative; overflow: hidden;
  display: flex; flex-direction: column; justify-content: flex-end;
  min-height: min(calc(100svh - var(--header)), 860px);
  color: #fff;
  background: var(--chamber);
}
.hero__canvas-wrap {
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
}
.hero__canvas {
  display: block; width: 100%; height: 100%;
}
.hero__veil {
  position: absolute; inset: 0;
  background:
    linear-gradient(105deg, rgba(7, 11, 24, .7) 0%, rgba(7, 11, 24, .22) 48%, rgba(7, 11, 24, .04) 100%),
    linear-gradient(180deg, rgba(7, 11, 24, .2) 0%, transparent 42%, rgba(7, 11, 24, .55) 100%),
    radial-gradient(ellipse 50% 40% at 85% 20%, rgba(184, 146, 42, .1), transparent 60%);
}
:root[dir="ltr"] .hero__veil {
  background:
    linear-gradient(255deg, rgba(7, 11, 24, .7) 0%, rgba(7, 11, 24, .22) 48%, rgba(7, 11, 24, .04) 100%),
    linear-gradient(180deg, rgba(7, 11, 24, .2) 0%, transparent 42%, rgba(7, 11, 24, .55) 100%),
    radial-gradient(ellipse 50% 40% at 15% 20%, rgba(184, 146, 42, .1), transparent 60%);
}
.hero__inner, .hero__rail { position: relative; z-index: 1; }

.hero__inner {
  padding-block: clamp(64px, 10vw, 120px) 48px;
  max-width: min(var(--wrap), 100% - 40px);
  margin-inline: auto;
  width: 100%;
}
.hero__mark {
  font-family: var(--f-latin); font-weight: 800;
  font-size: clamp(13px, 1.2vw, 15px);
  letter-spacing: .22em; text-transform: uppercase;
  color: rgba(255,255,255,.7); margin-bottom: clamp(28px, 4vw, 48px);
  opacity: 0; transform: translateY(14px);
}
.hero__mark span { font-weight: 500; letter-spacing: .14em; color: rgba(255,255,255,.38); }

.hero__title {
  font-family: var(--f-display);
  font-size: clamp(40px, 6.6vw, 92px);
  line-height: 1.15; letter-spacing: -.012em;
  max-width: 10.5em;
  opacity: 0; transform: translateY(20px);
}
.hero__title span { display: block; }
.hero__title .lt { font-weight: 300; color: rgba(255,255,255,.88); }
.hero__title .hv {
  font-weight: 900;
  background: linear-gradient(110deg, #fff 10%, #F2DF9A 46%, #D6B56A 62%, #C9D0FF 92%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
:root[data-theme="dark"] .hero {
  background: #03050C;
}
:root[data-theme="dark"] .hero__rail {
  border-top-color: rgba(214, 181, 106, .16);
  background: rgba(3, 5, 12, .62);
}
:root[lang="en"] .hero__title {
  line-height: 1.02; letter-spacing: -.045em;
  font-size: clamp(38px, 6vw, 84px); max-width: 9.5em;
}
:root[lang="en"] .hero__title .hv { font-weight: 800; }

.hero__lead {
  margin-top: 24px; max-width: 32em;
  font-size: clamp(15.5px, 1.25vw, 18px);
  color: rgba(255,255,255,.68); line-height: 1.75;
  opacity: 0; transform: translateY(14px);
}
.hero__actions {
  display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px;
  opacity: 0; transform: translateY(12px);
}

@keyframes heroIn { to { opacity: 1; transform: none; } }
.hero.is-ready .hero__mark { animation: heroIn .85s .05s var(--ease-out) forwards; }
.hero.is-ready .hero__title { animation: heroIn .95s .18s var(--ease-out) forwards; }
.hero.is-ready .hero__lead { animation: heroIn .9s .32s var(--ease-out) forwards; }
.hero.is-ready .hero__actions { animation: heroIn .85s .44s var(--ease-out) forwards; }
.hero.is-ready .hero__rail { animation: heroIn .9s .56s var(--ease-out) forwards; }

.hero__rail {
  border-top: 1px solid rgba(230, 198, 90, .14);
  background: rgba(7, 11, 24, .55);
  backdrop-filter: blur(14px) saturate(1.25);
  -webkit-backdrop-filter: blur(14px) saturate(1.25);
  opacity: 0; transform: translateY(12px);
}
.hero__index {
  display: grid; grid-template-columns: repeat(4, 1fr);
}
.hero__index a {
  display: grid; gap: 6px; padding: 22px 20px 26px;
  border-inline-start: 1px solid rgba(255,255,255,.1);
  transition: background .3s;
}
.hero__index a:first-child { border-inline-start: 0; padding-inline-start: 0; }
.hero__index a:hover { background: rgba(255,255,255,.05); }
.hero__index em {
  font-family: var(--f-latin); font-style: normal; font-weight: 650;
  font-size: 11px; letter-spacing: .12em; color: var(--pyrite-bright);
}
.hero__index b { font-weight: 650; font-size: 15px; }
.hero__index span { font-size: 13px; color: rgba(255,255,255,.5); line-height: 1.5; }

/* ---------- statement ---------- */
.statement {
  padding-block: clamp(72px, 9vw, 120px);
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}
.statement__grid {
  display: grid; grid-template-columns: 1.4fr 1fr;
  gap: clamp(40px, 6vw, 80px); align-items: end;
}
.statement__text {
  font-family: var(--f-display); font-weight: 500;
  font-size: clamp(22px, 2.4vw, 32px); line-height: 1.65;
  max-width: 22em;
}
:root[lang="en"] .statement__text { line-height: 1.35; letter-spacing: -.02em; }

.standards { display: flex; flex-wrap: wrap; gap: 8px; align-content: start; }
.standards__label {
  width: 100%; margin-bottom: 6px;
  font-size: 12.5px; font-weight: 500; color: var(--ink-3);
}
.standards li:not(.standards__label) {
  direction: ltr; font-family: var(--f-latin); font-weight: 650;
  font-size: 12px; letter-spacing: .03em; color: var(--ink-2);
  padding: 8px 12px; border-radius: var(--r);
  background: var(--bg); border: 1px solid var(--line-2);
  transition: border-color .2s, color .2s, background .2s;
}
.standards li:not(.standards__label):hover {
  border-color: color-mix(in srgb, var(--lapis) 40%, var(--line-2));
  color: var(--ink); background: var(--surface);
}

/* ---------- sections ---------- */
.section { padding-block: clamp(80px, 10vw, 128px); }
.section--tint {
  background:
    radial-gradient(ellipse 70% 50% at 100% 0%, color-mix(in srgb, var(--lapis) 8%, transparent), transparent 55%),
    linear-gradient(180deg, var(--tint), var(--bg));
}
:root[data-theme="dark"] .section--tint {
  background:
    radial-gradient(ellipse 65% 50% at 100% 0%, rgba(62, 99, 224, .14), transparent 55%),
    radial-gradient(ellipse 40% 35% at 0% 80%, rgba(214, 181, 106, .06), transparent 50%),
    linear-gradient(180deg, #0A0F1C, #04060D);
}
:root[data-theme="dark"] .statement {
  background:
    linear-gradient(180deg, rgba(18, 25, 42, .95), rgba(10, 15, 28, .98));
  border-bottom-color: rgba(214, 181, 106, .1);
}
:root[data-theme="dark"] .work-box {
  background:
    radial-gradient(ellipse 70% 45% at 100% 0%, rgba(62, 99, 224, .16), transparent 55%),
    linear-gradient(165deg, #171F35 0%, #0F1628 100%);
  border: 1px solid rgba(201, 208, 255, .14);
  box-shadow: inset 0 1px 0 rgba(242, 223, 154, .06), 0 12px 36px -20px rgba(0, 0, 0, .55);
}
:root[data-theme="dark"] .work-box:hover {
  border-color: rgba(214, 181, 106, .42);
  box-shadow:
    inset 0 1px 0 rgba(242, 223, 154, .12),
    0 18px 44px -18px rgba(0, 0, 0, .65),
    0 0 0 1px rgba(62, 99, 224, .15);
}
:root[data-theme="dark"] .work-box__status {
  color: #C9D0FF;
  border-color: rgba(62, 99, 224, .35);
  background: rgba(62, 99, 224, .12);
}
:root[data-theme="dark"] .insight {
  background: linear-gradient(165deg, #151C30, #0E1424);
  border-color: rgba(243, 241, 235, .1);
}
:root[data-theme="dark"] .insight:hover {
  border-color: rgba(214, 181, 106, .32);
  background: linear-gradient(165deg, #1A2338, #12192A);
}
:root[data-theme="dark"] .model {
  background: linear-gradient(165deg, #151C30, #0E1424);
  border-color: rgba(243, 241, 235, .1);
}
:root[data-theme="dark"] .model--featured {
  background:
    linear-gradient(165deg, rgba(214, 181, 106, .1), transparent 42%),
    linear-gradient(180deg, #1A243C, #12192A);
  border-color: rgba(62, 99, 224, .35);
  box-shadow: inset 0 1px 0 rgba(242, 223, 154, .15), var(--shadow-sm);
}
:root[data-theme="dark"] .blog-card {
  background: linear-gradient(165deg, #151C30, #0E1424);
  border-color: rgba(243, 241, 235, .1);
}
:root[data-theme="dark"] .blog-card:hover {
  border-color: rgba(214, 181, 106, .32);
}
:root[data-theme="dark"] .toc {
  background: linear-gradient(165deg, #151C30, #0E1424);
  border-color: rgba(243, 241, 235, .1);
}
:root[data-theme="dark"] .page-hero {
  background:
    radial-gradient(ellipse 70% 55% at 100% 0%, rgba(62, 99, 224, .18), transparent 58%),
    radial-gradient(ellipse 45% 40% at 0% 100%, rgba(214, 181, 106, .08), transparent 50%),
    linear-gradient(180deg, #0A0F1C, #04060D);
}
:root[data-theme="dark"] .ctrl {
  border-color: rgba(243, 241, 235, .12);
  color: var(--ink-2);
}
:root[data-theme="dark"] .ctrl:hover {
  background: rgba(62, 99, 224, .12);
  border-color: rgba(62, 99, 224, .35);
  color: var(--ink);
}
:root[data-theme="dark"] .progress {
  background: linear-gradient(90deg, #D6B56A, #3E63E0, #F2DF9A);
}
:root[data-theme="dark"] .standards li:not(.standards__label) {
  background: #0E1424;
  border-color: rgba(243, 241, 235, .1);
}
:root[data-theme="dark"] .standards li:not(.standards__label):hover {
  border-color: rgba(62, 99, 224, .4);
  background: #151C30;
}
:root[data-theme="dark"] .facts {
  background: #0E1424;
  border-color: rgba(214, 181, 106, .12);
}
:root[data-theme="dark"] .qa {
  border-color: rgba(243, 241, 235, .1);
}
:root[data-theme="dark"] .principles div { border-top-color: #5B7CF0; }
:root[data-theme="dark"] .principles div:hover { border-top-color: #F2DF9A; }
.section__title {
  font-family: var(--f-display); font-weight: 800;
  font-size: clamp(28px, 3.4vw, 46px); line-height: 1.3;
  margin-bottom: clamp(36px, 4.5vw, 56px);
  letter-spacing: -.01em;
}
:root[lang="en"] .section__title { font-weight: 750; line-height: 1.1; letter-spacing: -.035em; }
.lead { color: var(--ink-2); font-size: 16.5px; max-width: 34em; line-height: 1.75; }
.split {
  display: grid; grid-template-columns: 1.1fr .9fr;
  gap: 48px; align-items: end;
  margin-bottom: clamp(36px, 4.5vw, 56px);
}
.split .section__title { margin-bottom: 0; }
.split .eyebrow { margin-bottom: 10px; }

/* ---------- services ---------- */
.svc {
  display: grid; grid-template-columns: 3.4fr 8.6fr;
  gap: clamp(28px, 4.5vw, 64px);
  padding-block: clamp(40px, 5vw, 64px);
  border-top: 1px solid var(--line-2);
}
.svc:last-child { border-bottom: 1px solid var(--line-2); }
.svc__side {
  position: sticky; top: calc(var(--header) + 32px); align-self: start;
  display: grid; gap: 18px; justify-items: start;
}
.svc__num {
  font-family: var(--f-latin); font-weight: 700; font-size: 13px;
  letter-spacing: .16em; color: var(--pyrite);
}
.svc__title {
  font-family: var(--f-display); font-weight: 750;
  font-size: clamp(21px, 2.1vw, 28px); line-height: 1.4;
}
:root[lang="en"] .svc__title { line-height: 1.18; letter-spacing: -.025em; }
.svc__desc { font-size: 17px; color: var(--ink); max-width: 38em; line-height: 1.8; }

.caps {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 0 32px; margin-top: 32px;
}
.caps li {
  padding: 18px 0 20px; border-top: 1px solid var(--line);
  font-size: 14px; color: var(--ink-2); line-height: 1.7;
  transition: color .2s;
}
.caps li:hover { color: var(--ink); }
.caps b {
  display: block; margin-bottom: 4px;
  font-weight: 650; font-size: 15px; color: var(--ink);
}

.facts {
  display: grid; grid-template-columns: 1.7fr 1fr 1fr; gap: 20px;
  margin-top: 36px; padding: 22px 24px;
  background: var(--tint); border-radius: var(--r-lg);
  border: 1px solid var(--line);
}
.facts dt {
  font-size: 12px; font-weight: 600; color: var(--ink-3); margin-bottom: 5px;
}
.facts dd { font-size: 14.5px; font-weight: 550; line-height: 1.6; }

/* ---------- bands ---------- */
.band {
  position: relative; overflow: hidden;
  background: var(--chamber);
  color: #fff;
  padding-block: clamp(80px, 10vw, 128px);
}
.band__bg {
  position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(ellipse 60% 55% at 90% 10%, rgba(214, 181, 106, .14), transparent 55%),
    radial-gradient(ellipse 50% 45% at 10% 90%, rgba(62, 99, 224, .2), transparent 50%),
    linear-gradient(160deg, #121A32 0%, #0A1224 52%, #03050C 100%);
}
.band--contact .band__bg {
  background:
    radial-gradient(ellipse 55% 50% at 8% 85%, rgba(62, 99, 224, .32), transparent 55%),
    radial-gradient(ellipse 40% 40% at 90% 20%, rgba(214, 181, 106, .1), transparent 50%),
    linear-gradient(200deg, #141E38 0%, #0A1224 55%, #03050C 100%);
}
.band__wash {
  position: absolute; width: min(55vw, 520px); height: min(55vw, 520px);
  border-radius: 50%; filter: blur(90px); opacity: .5;
  inset-inline-end: -10%; top: -20%;
  background: rgba(214, 181, 106, .18);
}
.band--contact .band__wash {
  inset-inline-end: auto; inset-inline-start: -12%; top: auto; bottom: -25%;
  background: rgba(62, 99, 224, .32);
}
.band__grid {
  position: absolute; inset: 0; opacity: .045;
  background-image:
    linear-gradient(rgba(255,255,255,.7) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.7) 1px, transparent 1px);
  background-size: 64px 64px;
}
.band .lead { color: rgba(255,255,255,.68); }
.band .wrap { position: relative; }
.band .section__title { color: #fff; }

.security {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: clamp(36px, 5.5vw, 80px); align-items: center;
}
.security .section__title { margin-bottom: 16px; }
.modes { margin-top: 32px; }
.modes div {
  display: grid; grid-template-columns: 8em 1fr; gap: 14px;
  padding-block: 14px; border-top: 1px solid rgba(255,255,255,.12);
}
.modes dt { font-weight: 650; font-size: 14.5px; }
.modes dd { color: rgba(255,255,255,.62); font-size: 14px; }
.assure { margin-top: 28px; display: grid; gap: 10px; }
.assure li {
  position: relative; padding-inline-start: 20px;
  font-size: 14px; color: rgba(255,255,255,.78); line-height: 1.6;
}
.assure li::before {
  content: ""; position: absolute; inset-inline-start: 2px; top: .72em;
  width: 6px; height: 6px; background: var(--pyrite); transform: rotate(45deg);
}

.paper {
  background: linear-gradient(180deg, #FFFEFA, #F3F5FB);
  color: #12182C;
  padding: clamp(24px, 3.2vw, 40px);
  border-radius: 6px;
  font-family: "IBM Plex Sans", sans-serif; line-height: 1.5;
  box-shadow: var(--shadow-lg), 0 0 0 1px rgba(230, 198, 90, .12);
  transform: rotate(-1deg);
  transition: transform .45s var(--ease);
}
.paper:hover { transform: rotate(-.3deg) translateY(-3px); }
.paper__head {
  display: flex; justify-content: space-between; align-items: center;
  padding-bottom: 14px; border-bottom: 2px solid #1A2F7C;
}
.paper__logo { font-family: var(--f-latin); font-weight: 800; font-size: 16px; letter-spacing: -.03em; color: #1A2F7C; }
.paper__conf {
  font-size: 9px; font-weight: 700; letter-spacing: .18em;
  color: #A3262A; border: 1px solid currentColor; padding: 3px 7px; border-radius: 2px;
}
.paper__kind { margin-top: 22px; font-size: 10px; letter-spacing: .14em; text-transform: uppercase; color: #6B7189; }
.paper__title { margin-top: 3px; font-family: var(--f-latin); font-weight: 700; font-size: 20px; letter-spacing: -.02em; }
.paper__meta { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 18px; border-block: 1px solid #E3E6EE; }
.paper__meta div { padding: 10px 0; }
.paper__meta dt { font-size: 10px; color: #6B7189; text-transform: uppercase; letter-spacing: .08em; }
.paper__meta dd { font-size: 12.5px; font-weight: 550; margin-top: 2px; }
.sev { display: grid; gap: 7px; margin-top: 20px; }
.sev div { display: grid; grid-template-columns: 60px 1fr 18px; align-items: center; gap: 10px; font-size: 11.5px; }
.sev span { color: #4A5170; }
.sev i { height: 6px; width: calc(var(--n) / 9 * 100%); border-radius: 1px; }
.sev b { text-align: end; font-weight: 650; }
.c { background: #A3262A; } .h { background: #D2622A; } .m { background: #B8922A; } .l { background: #4F6FB5; }
.paper__table { width: 100%; margin-top: 20px; border-collapse: collapse; font-size: 12px; }
.paper__table th {
  text-align: left; font-size: 10px; font-weight: 650; color: #6B7189;
  text-transform: uppercase; letter-spacing: .08em; padding: 7px 5px; border-bottom: 1px solid #1A1F36;
}
.paper__table td { padding: 8px 5px; border-bottom: 1px solid #E3E6EE; }
.paper__table td:first-child { color: #6B7189; width: 42px; }
.paper__table td:last-child { width: 46px; }
.paper__table td span {
  display: inline-block; min-width: 32px; padding: 1px 5px; color: #fff;
  font-weight: 650; text-align: center; border-radius: 2px; font-size: 11px;
}
.paper__foot { display: flex; justify-content: space-between; margin-top: 24px; font-size: 10px; color: #8A90A6; }
.paper__cap { margin-top: 12px; font-family: var(--f-body); font-size: 12px; color: rgba(255,255,255,.4); text-align: center; }

/* ---------- works / projects ---------- */
.works-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 8px;
}
.work-box {
  display: flex; flex-direction: column;
  padding: clamp(22px, 2.6vw, 30px);
  border: 1px solid var(--line-2);
  background:
    radial-gradient(ellipse 70% 45% at 100% 0%, color-mix(in srgb, var(--lapis) 9%, transparent), transparent 55%),
    var(--surface);
  transition: border-color .25s, transform .3s var(--ease), box-shadow .3s;
}
.work-box:hover {
  border-color: color-mix(in srgb, var(--pyrite) 40%, var(--line-2));
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}
.work-box__top {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; margin-bottom: 14px;
}
.work-box__code {
  font-family: var(--f-latin); font-size: 12px; font-weight: 750;
  letter-spacing: .14em; color: var(--pyrite);
}
.work-box__status {
  font-size: 11.5px; font-weight: 650;
  color: var(--lapis);
  padding: 4px 9px;
  border: 1px solid color-mix(in srgb, var(--lapis) 28%, var(--line));
  background: color-mix(in srgb, var(--lapis) 6%, transparent);
}
:root[data-theme="dark"] .work-box__status { color: var(--accent); }
.work-box .work__head {
  margin-bottom: 16px; padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}
.work-box .work__kicker {
  font-family: var(--f-latin); font-size: 11px; font-weight: 650;
  letter-spacing: .12em; text-transform: uppercase;
  color: var(--pyrite); margin-bottom: 8px;
}
.work-box .work__head h3 {
  font-family: var(--f-display); font-weight: 750;
  font-size: clamp(18px, 1.8vw, 22px); line-height: 1.35; margin: 0 0 12px;
}
.work-box .work__meta {
  display: flex; flex-wrap: wrap; gap: 6px 14px;
  list-style: none; padding: 0; margin: 0;
  font-size: 12.5px; color: var(--ink-2);
}
.work-box .work__meta li {
  position: relative; padding-inline-start: 11px;
}
.work-box .work__meta li::before {
  content: ""; position: absolute; inset-inline-start: 0; top: .55em;
  width: 4px; height: 4px; border-radius: 1px;
  background: var(--pyrite); transform: rotate(45deg);
}
.work-box .work__body {
  font-size: 14.5px; line-height: 1.75; color: var(--ink-2);
  flex: 1;
}
.work-box .work__body p { margin: 0 0 .85em; }
.work-box .work__body h4 {
  font-family: var(--f-display); font-size: 14.5px; font-weight: 700;
  color: var(--ink); margin: 1.15em 0 .45em;
}
.work-box .work__body ul {
  margin: 0 0 .85em; padding-inline-start: 1.15em;
  display: grid; gap: .35em;
}
.work-box .work__body li::marker { color: var(--pyrite); }
.works__cta {
  display: flex; flex-wrap: wrap; align-items: center; gap: 18px 28px;
  margin-top: 36px;
}

@media (max-width: 900px) {
  .works-grid { grid-template-columns: 1fr; }
}

/* ---------- industries ---------- */
.sectors { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0 28px; }
.sectors li {
  padding: 28px 0 32px;
  border-top: 1px solid var(--line-2);
  transition: border-color .25s;
}
.sectors li:hover { border-top-color: var(--pyrite); }
.sectors__n {
  display: block; margin-bottom: 12px;
  font-family: var(--f-latin); font-weight: 700; font-size: 12px;
  letter-spacing: .12em; color: var(--pyrite);
}
.sectors h3 {
  font-family: var(--f-display); font-weight: 700; font-size: 18px;
  line-height: 1.4; margin-bottom: 8px;
}
:root[lang="en"] .sectors h3 { letter-spacing: -.02em; }
.sectors p { color: var(--ink-2); font-size: 14px; line-height: 1.65; }

/* ---------- engagement models ---------- */
.models {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.model {
  padding: 28px 26px 30px;
  background: var(--glass);
  border: 1px solid var(--line-2);
  border-radius: var(--r-lg);
  backdrop-filter: blur(8px);
  transition: border-color .25s, box-shadow .3s, transform .3s var(--ease), background .25s;
}
.model:hover {
  border-color: color-mix(in srgb, var(--lapis) 35%, var(--line-2));
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}
.model--featured {
  background:
    linear-gradient(165deg, color-mix(in srgb, var(--pyrite) 8%, transparent), transparent 40%),
    linear-gradient(180deg, color-mix(in srgb, var(--lapis) 10%, var(--surface)), var(--surface));
  border-color: color-mix(in srgb, var(--lapis) 40%, var(--line-2));
  box-shadow: var(--shadow-sm), inset 0 1px 0 color-mix(in srgb, var(--pyrite-bright) 22%, transparent);
}
.model--featured:hover {
  border-color: color-mix(in srgb, var(--pyrite) 45%, var(--lapis));
  box-shadow: var(--shadow-md);
}
.model__tag {
  font-family: var(--f-latin); font-size: 11px; font-weight: 700;
  letter-spacing: .1em; color: var(--pyrite); margin-bottom: 14px;
}
.model h3 {
  font-family: var(--f-display); font-weight: 750; font-size: 22px;
  margin-bottom: 8px; line-height: 1.3;
}
.model__goal { color: var(--ink-2); font-size: 14.5px; margin-bottom: 22px; line-height: 1.55; }
.model dl { display: grid; gap: 14px; border-top: 1px solid var(--line); padding-top: 18px; }
.model dl div { display: grid; gap: 2px; }
.model dt { font-size: 12px; font-weight: 600; color: var(--ink-3); }
.model dd { font-size: 14.5px; font-weight: 550; }

/* ---------- process ---------- */
.steps {
  display: grid; grid-template-columns: repeat(5, 1fr);
  position: relative;
}
.steps::before {
  content: ""; position: absolute; top: 0; inset-inline: 0; height: 2px;
  background: linear-gradient(90deg, var(--lapis), var(--pyrite), var(--lapis));
}
:root[dir="rtl"] .steps::before {
  background: linear-gradient(-90deg, var(--lapis), var(--pyrite), var(--lapis));
}
.steps li { padding-top: 28px; padding-inline-end: 20px; }
.steps__n {
  display: block; font-family: var(--f-display); font-weight: 250;
  font-size: 48px; line-height: 1; color: var(--accent); margin-bottom: 16px;
}
:root[lang="en"] .steps__n { letter-spacing: -.04em; }
.steps h3 { font-family: var(--f-display); font-weight: 700; font-size: 17px; margin-bottom: 6px; }
.steps p { color: var(--ink-2); font-size: 14px; line-height: 1.6; }
.steps small {
  display: block; margin-top: 14px; padding-top: 10px;
  border-top: 1px solid var(--line);
  font-size: 12px; color: var(--ink-3); font-weight: 500;
}

/* ---------- principles ---------- */
.principles { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }
.principles div {
  padding: 22px 0 0;
  border-top: 2px solid var(--lapis);
  transition: border-color .25s;
}
.principles div:hover { border-top-color: var(--pyrite); }
:root[data-theme="dark"] .principles div { border-top-color: var(--accent); }
.principles h3 { font-family: var(--f-display); font-weight: 700; font-size: 17px; margin-bottom: 8px; }
.principles p { color: var(--ink-2); font-size: 14px; line-height: 1.65; }

/* ---------- faq ---------- */
.faq {
  display: grid; grid-template-columns: 1fr 1.5fr;
  gap: clamp(28px, 5vw, 80px); align-items: start;
}
.faq__head { position: sticky; top: calc(var(--header) + 28px); }
.faq__head .section__title { margin-bottom: 12px; }
.qa { border-bottom: 1px solid var(--line-2); }
.qa:first-child { border-top: 1px solid var(--line-2); }
.qa summary {
  list-style: none; cursor: pointer;
  display: flex; justify-content: space-between; align-items: center; gap: 20px;
  padding-block: 20px; font-weight: 650; font-size: 16px;
  transition: color .2s;
}
.qa summary::-webkit-details-marker { display: none; }
.qa summary:hover { color: var(--accent); }
.qa summary::after {
  content: "+"; flex: none; font-family: var(--f-latin); font-weight: 300;
  font-size: 22px; line-height: 1; color: var(--ink-3);
  transition: transform .3s var(--ease), color .2s;
}
.qa[open] summary::after { transform: rotate(45deg); color: var(--pyrite); }
.qa p { padding-bottom: 22px; color: var(--ink-2); max-width: 40em; line-height: 1.75; }

/* ---------- contact ---------- */
.contact {
  display: grid; grid-template-columns: 1fr 1.15fr;
  gap: clamp(36px, 5.5vw, 80px); align-items: start;
}
.contact .section__title { margin-bottom: 16px; }
.contact__info { margin-top: 36px; display: grid; gap: 20px; }
.contact__info dt { font-size: 12.5px; font-weight: 600; color: rgba(255,255,255,.45); }
.contact__info dd { font-size: 16.5px; font-weight: 550; margin-top: 4px; }
.contact__info a {
  border-bottom: 1px solid rgba(255,255,255,.28);
  transition: border-color .2s;
}
.contact__info a:hover { border-color: #fff; }

.form {
  display: grid; gap: 16px;
  padding: clamp(24px, 3.2vw, 40px);
  background: var(--surface); color: var(--ink);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255,255,255,.08);
}
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.field { display: grid; gap: 6px; min-width: 0; border: 0; margin: 0; padding: 0; }
.field label, .field legend { font-size: 13px; font-weight: 650; color: var(--ink-2); padding: 0; }
.field legend { margin-bottom: 6px; }
.field small { font-weight: 400; color: var(--ink-3); }
.field input, .field textarea {
  width: 100%; padding: 12px 13px; border-radius: var(--r);
  border: 1px solid var(--line-2); background: var(--field); color: var(--ink);
  font: inherit; font-size: 15px; line-height: 1.5;
  transition: border-color .2s, box-shadow .2s, background .2s;
}
.field textarea { resize: vertical; min-height: 104px; }
.field input:hover, .field textarea:hover { border-color: color-mix(in srgb, var(--ink) 20%, var(--line-2)); }
.field input:focus, .field textarea:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 14%, transparent);
  background: var(--surface);
}
.field input[aria-invalid="true"] {
  border-color: #C2364A;
  box-shadow: 0 0 0 3px rgba(194, 54, 74, .1);
}
.field textarea::placeholder { color: var(--ink-3); }
.opts { display: flex; flex-wrap: wrap; gap: 7px; }
.opts label { position: relative; }
.opts input { position: absolute; inset: 0; opacity: 0; cursor: pointer; margin: 0; }
.opts span {
  display: inline-block; padding: 8px 14px; border: 1px solid var(--line-2);
  border-radius: var(--r); font-size: 13px; font-weight: 550;
  transition: background .2s, border-color .2s, color .2s;
}
.opts input:checked + span {
  background: var(--lapis); border-color: var(--lapis); color: #fff;
}
:root[data-theme="dark"] .opts input:checked + span {
  background: linear-gradient(135deg, #5B7CF0, #3E63E0);
  border-color: #5B7CF0;
  color: #F3F1EB;
  box-shadow: 0 0 0 1px rgba(214, 181, 106, .2);
}
:root[data-theme="dark"] .form {
  background:
    radial-gradient(ellipse 70% 50% at 100% 0%, rgba(62, 99, 224, .12), transparent 55%),
    #12192A;
  border-color: rgba(214, 181, 106, .12);
  box-shadow: var(--shadow-lg);
}
:root[data-theme="dark"] .field input,
:root[data-theme="dark"] .field textarea {
  background: #0B111F;
  border-color: rgba(243, 241, 235, .12);
}
:root[data-theme="dark"] .field input:focus,
:root[data-theme="dark"] .field textarea:focus {
  border-color: #5B7CF0;
  box-shadow: 0 0 0 3px rgba(62, 99, 224, .22);
  background: #0E1526;
}
.opts input:focus-visible + span { outline: 2px solid var(--accent); outline-offset: 2px; }
.check { display: flex; align-items: flex-start; gap: 10px; font-size: 13px; color: var(--ink-2); cursor: pointer; }
.check input { margin-top: .4em; accent-color: var(--lapis); width: 15px; height: 15px; }
.form__status { min-height: 1.4em; font-size: 13.5px; }
.form__status.err { color: #C2364A; }
.form__status.ok { color: #1E8A5A; }
:root[data-theme="dark"] .form__status.ok { color: #5BD39C; }

/* ---------- footer ---------- */
.footer {
  background:
    radial-gradient(ellipse 55% 55% at 100% 0%, rgba(214, 181, 106, .1), transparent 50%),
    radial-gradient(ellipse 45% 40% at 0% 100%, rgba(62, 99, 224, .18), transparent 55%),
    linear-gradient(180deg, #0A1228 0%, #03050C 100%);
  color: rgba(243, 241, 235, .72);
}
.footer .brand__name { color: #F3F1EB; }
.footer .brand__name span { color: rgba(243, 241, 235, .4); }
.footer .brand__bg { fill: #3E63E0; }
.footer .brand__accent { fill: #F2DF9A; }
.footer__top {
  display: grid; grid-template-columns: 1.7fr 1fr 1fr 1fr; gap: 36px;
  padding-block: 64px 48px;
}
.footer__brand p {
  margin-top: 16px; color: rgba(255,255,255,.5);
  font-size: 14px; max-width: 22em; line-height: 1.65;
}
.footer__col { display: grid; gap: 10px; align-content: start; }
.footer__col h4 {
  font-size: 12px; font-weight: 650; color: rgba(255,255,255,.38);
  margin-bottom: 6px;
}
.footer__col a {
  font-size: 14px; color: rgba(255,255,255,.65); justify-self: start;
  transition: color .2s;
}
.footer__col a:hover { color: #F2DF9A; }
:root[data-theme="dark"] .footer {
  border-top: 1px solid rgba(214, 181, 106, .1);
}
.footer__bottom {
  display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap;
  padding-block: 20px; border-top: 1px solid rgba(255,255,255,.1);
  font-size: 12.5px; color: rgba(255,255,255,.38);
}
.footer__bottom a:hover { color: rgba(255,255,255,.85); }

/* ---------- reveal ---------- */
.js .reveal {
  opacity: 0; transform: translateY(20px);
  transition: opacity .75s var(--ease-out), transform .75s var(--ease-out);
}
.js .reveal.is-in { opacity: 1; transform: none; }

/* ---------- insights (home) ---------- */
.insights {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 36px;
}
.insight {
  display: flex; flex-direction: column; gap: 12px;
  padding: 28px 24px;
  border: 1px solid var(--line);
  background: var(--glass);
  text-decoration: none; color: inherit;
  transition: border-color .25s var(--ease), transform .25s var(--ease), background .25s, box-shadow .3s;
}
.insight:hover {
  border-color: color-mix(in srgb, var(--pyrite) 40%, var(--line));
  transform: translateY(-3px);
  background: color-mix(in srgb, var(--surface) 82%, var(--lapis) 18%);
  box-shadow: var(--shadow-sm);
}
.insight__tag {
  font-family: var(--f-latin); font-size: 11px; letter-spacing: .12em;
  text-transform: uppercase; color: var(--lapis); font-weight: 600;
}
.insight h3 {
  font-family: var(--f-display); font-size: clamp(18px, 1.6vw, 22px);
  line-height: 1.35; margin: 0; font-weight: 600;
}
.insight p { margin: 0; color: var(--ink-2); font-size: 14.5px; line-height: 1.7; }
.insights__more { margin-top: 28px; }

/* ---------- blog ---------- */
.page-hero {
  padding: calc(var(--header) + 56px) 0 48px;
  background:
    radial-gradient(ellipse 70% 55% at 100% 0%, color-mix(in srgb, var(--lapis) 16%, transparent), transparent 58%),
    radial-gradient(ellipse 45% 40% at 0% 100%, color-mix(in srgb, var(--pyrite) 8%, transparent), transparent 50%),
    linear-gradient(180deg, var(--tint), var(--bg));
  border-bottom: 1px solid var(--line);
}
.page-hero__crumb {
  display: flex; flex-wrap: wrap; gap: 8px; align-items: center;
  font-size: 13px; color: var(--ink-2); margin-bottom: 18px;
}
.page-hero__crumb a { color: var(--ink-2); text-decoration: none; }
.page-hero__crumb a:hover { color: var(--lapis); }
.page-hero__crumb span { opacity: .45; }
.page-hero h1 {
  font-family: var(--f-display); font-size: clamp(28px, 4vw, 44px);
  line-height: 1.25; margin: 0 0 14px; font-weight: 650; max-width: 18em;
}
.page-hero .lead { max-width: 40em; }
.blog-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin: 48px 0 72px;
}
.blog-card {
  display: flex; flex-direction: column; gap: 14px;
  padding: 32px 28px; border: 1px solid var(--line);
  text-decoration: none; color: inherit;
  background: var(--bg);
  transition: border-color .25s, transform .25s var(--ease);
}
.blog-card:hover {
  border-color: color-mix(in srgb, var(--lapis) 40%, var(--line));
  transform: translateY(-2px);
}
.blog-card__meta {
  display: flex; flex-wrap: wrap; gap: 10px 16px;
  font-size: 12.5px; color: var(--ink-2); font-family: var(--f-latin);
}
.blog-card__tag {
  color: var(--lapis); font-weight: 600; letter-spacing: .08em; text-transform: uppercase;
}
.blog-card h2 {
  font-family: var(--f-display); font-size: clamp(20px, 2vw, 24px);
  line-height: 1.35; margin: 0; font-weight: 600;
}
.blog-card p { margin: 0; color: var(--ink-2); font-size: 15px; line-height: 1.7; flex: 1; }
.article-layout {
  display: grid; grid-template-columns: minmax(0, 1fr) 260px;
  gap: 48px; align-items: start; padding: 56px 0 80px;
}
.article {
  max-width: 42em; font-size: 17px; line-height: 1.85; color: var(--ink);
}
.article h2 {
  font-family: var(--f-display); font-size: clamp(22px, 2.4vw, 28px);
  line-height: 1.3; margin: 2.2em 0 .7em; font-weight: 650;
}
.article h3 {
  font-family: var(--f-display); font-size: 19px;
  margin: 1.6em 0 .5em; font-weight: 600;
}
.article p { margin: 0 0 1.1em; color: var(--ink-2); }
.article ul, .article ol { margin: 0 0 1.3em; padding-inline-start: 1.35em; color: var(--ink-2); }
.article li { margin-bottom: .45em; }
.article strong { color: var(--ink); font-weight: 650; }
.article a { color: var(--lapis); text-decoration-thickness: 1px; text-underline-offset: 3px; }
.article a:hover { color: var(--pyrite); }
.article__cta {
  margin-top: 48px; padding: 28px 26px;
  border: 1px solid var(--line);
  background: linear-gradient(135deg, color-mix(in srgb, var(--lapis) 10%, var(--bg)), var(--bg));
}
.article__cta h2 { margin-top: 0; font-size: 22px; }
.article__cta p { margin-bottom: 18px; }
.toc {
  position: sticky; top: calc(var(--header) + 20px);
  padding: 22px 20px; border: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 92%, var(--lapis) 4%);
}
.toc h2 {
  font-size: 12px; letter-spacing: .12em; text-transform: uppercase;
  font-family: var(--f-latin); color: var(--ink-2); margin: 0 0 14px; font-weight: 600;
}
.toc ol { margin: 0; padding: 0; list-style: none; display: grid; gap: 10px; }
.toc a {
  font-size: 13.5px; line-height: 1.45; color: var(--ink-2);
  text-decoration: none; display: block;
}
.toc a:hover { color: var(--lapis); }
.article-meta {
  display: flex; flex-wrap: wrap; gap: 10px 18px;
  font-size: 13px; color: var(--ink-2); margin-bottom: 28px;
  padding-bottom: 22px; border-bottom: 1px solid var(--line);
}
.related { margin: 0 0 80px; }
.related h2 {
  font-family: var(--f-display); font-size: 24px; margin: 0 0 20px; font-weight: 650;
}

@media (max-width: 1080px) {
  .insights { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: 1fr; }
  .article-layout { grid-template-columns: 1fr; }
  .toc { position: static; }
}

/* ---------- mobile CTA bar (phone only) ---------- */
.mobile-cta { display: none; }

/* ---------- responsive ---------- */
@media (max-width: 1080px) {
  .ctrl--menu { display: inline-grid; }
  .nav {
    position: fixed; inset: var(--header) 0 auto 0;
    z-index: 99;
    flex-direction: column; gap: 4px;
    padding: 14px 20px calc(18px + env(safe-area-inset-bottom, 0px));
    max-height: calc(100svh - var(--header));
    overflow-y: auto;
    background:
      radial-gradient(ellipse 80% 60% at 100% 0%, color-mix(in srgb, var(--lapis) 12%, transparent), transparent 55%),
      color-mix(in srgb, var(--bg) 94%, transparent);
    backdrop-filter: blur(22px) saturate(1.35);
    -webkit-backdrop-filter: blur(22px) saturate(1.35);
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow-lg);
    opacity: 0; visibility: hidden; transform: translateY(-10px);
    transition: opacity .28s, visibility .28s, transform .28s var(--ease);
  }
  .nav.is-open { opacity: 1; visibility: visible; transform: none; }
  .nav a {
    padding: 14px 12px; font-size: 16.5px; font-weight: 550;
    border-bottom: 0; border-radius: var(--r);
    min-height: 48px; display: flex; align-items: center;
  }
  .nav a:hover, .nav a:active { background: color-mix(in srgb, var(--lapis) 8%, transparent); color: var(--ink); }
  .nav a::after { display: none; }
  :root[data-theme="dark"] .nav {
    background:
      radial-gradient(ellipse 80% 55% at 100% 0%, rgba(62, 99, 224, .18), transparent 55%),
      rgba(4, 6, 13, .94);
    border-bottom-color: rgba(214, 181, 106, .12);
  }
  .hero__index { grid-template-columns: 1fr 1fr; }
  .hero__index a:nth-child(3) { border-inline-start: 0; padding-inline-start: 0; }
  .hero__index a:nth-child(n+3) { border-top: 1px solid rgba(255,255,255,.1); }
  .statement__grid, .svc, .security, .contact, .faq, .split { grid-template-columns: 1fr; }
  .svc__side { position: static; }
  .faq__head { position: static; }
  .split { gap: 14px; }
  .sectors { grid-template-columns: 1fr 1fr; }
  .models { grid-template-columns: 1fr; }
  .model--featured { order: -1; }
  .steps { grid-template-columns: repeat(3, 1fr); row-gap: 36px; }
  .steps::before { display: none; }
  .principles { grid-template-columns: 1fr 1fr; }
  .footer__top { grid-template-columns: 1fr 1fr; }
  .paper { transform: none; }
  .paper:hover { transform: translateY(-2px); }
  .section { padding-block: clamp(64px, 12vw, 96px); }
  .section__title { margin-bottom: clamp(28px, 5vw, 44px); }
}

@media (max-width: 640px) {
  :root {
    --header: 60px;
    --mobile-cta: calc(64px + env(safe-area-inset-bottom, 0px));
  }
  html { scroll-padding-top: calc(var(--header) + 16px); scroll-padding-bottom: var(--mobile-cta); }
  body {
    font-size: 15.5px;
    padding-bottom: var(--mobile-cta);
  }
  .wrap {
    width: min(var(--wrap), calc(100% - 32px - env(safe-area-inset-left, 0px) - env(safe-area-inset-right, 0px)));
  }

  /* header */
  .header {
    padding-top: env(safe-area-inset-top, 0px);
  }
  .header__inner {
    gap: 6px; height: var(--header);
  }
  .brand__mark { width: 30px; height: 30px; }
  .brand__name { font-size: 16px; }
  .header__cta { display: none !important; }
  .ctrl { height: 40px; min-width: 40px; }
  .ctrl--lang { padding: 0 10px; }
  .controls { gap: 4px; }

  /* mobile bottom CTA */
  .mobile-cta {
    display: block;
    position: fixed; z-index: 120;
    inset-inline: 0; bottom: 0;
    padding: 10px 16px calc(10px + env(safe-area-inset-bottom, 0px));
    background:
      linear-gradient(180deg, transparent, color-mix(in srgb, var(--bg) 55%, transparent) 28%),
      color-mix(in srgb, var(--bg) 88%, transparent);
    backdrop-filter: blur(16px) saturate(1.3);
    -webkit-backdrop-filter: blur(16px) saturate(1.3);
    border-top: 1px solid var(--line);
  }
  :root[data-theme="dark"] .mobile-cta {
    background:
      linear-gradient(180deg, transparent, rgba(4, 6, 13, .35) 25%),
      rgba(4, 6, 13, .9);
    border-top-color: rgba(214, 181, 106, .14);
  }
  .mobile-cta__btn {
    width: 100%; min-height: 48px;
    font-size: 15px;
    box-shadow: 0 10px 28px -12px rgba(26, 47, 124, .55);
  }
  .mobile-cta {
    transition: transform .35s var(--ease), opacity .3s;
  }
  .mobile-cta.is-hidden { transform: translateY(110%); opacity: 0; pointer-events: none; }
  body.is-loading .mobile-cta,
  body.nav-open .mobile-cta { transform: translateY(110%); opacity: 0; pointer-events: none; }

  /* hero */
  .hero {
    min-height: min(calc(100svh - var(--header)), 720px);
    justify-content: flex-end;
  }
  .hero__veil {
    background:
      linear-gradient(180deg, rgba(3, 5, 12, .35) 0%, rgba(3, 5, 12, .2) 35%, rgba(3, 5, 12, .78) 100%),
      radial-gradient(ellipse 80% 50% at 50% 0%, rgba(62, 99, 224, .18), transparent 55%);
  }
  .hero__inner {
    padding-block: 48px 28px;
    max-width: none;
    width: min(var(--wrap), calc(100% - 32px));
  }
  .hero__mark { margin-bottom: 22px; letter-spacing: .18em; }
  .hero__title {
    font-size: clamp(30px, 9.2vw, 40px);
    line-height: 1.22;
    max-width: none;
  }
  :root[lang="en"] .hero__title {
    font-size: clamp(28px, 8.5vw, 38px);
    max-width: none;
  }
  .hero__lead {
    margin-top: 16px;
    font-size: 14.5px;
    line-height: 1.7;
    max-width: none;
    color: rgba(255,255,255,.72);
  }
  .hero__actions {
    margin-top: 24px; gap: 10px;
  }
  .hero__actions .btn {
    flex: 1 1 100%;
    min-height: 48px;
    font-size: 14.5px;
  }

  /* hero service rail — horizontal snap */
  .hero__rail {
    border-top-color: rgba(214, 181, 106, .16);
  }
  .hero__rail .wrap {
    width: 100%;
    max-width: none;
    padding: 0;
  }
  .hero__index {
    display: flex;
    grid-template-columns: none;
    overflow-x: auto;
    overscroll-behavior-x: contain;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    gap: 0;
    padding: 0 16px 4px;
    scrollbar-width: none;
  }
  .hero__index::-webkit-scrollbar { display: none; }
  .hero__index a,
  .hero__index a:nth-child(3),
  .hero__index a:first-child,
  .hero__index a:nth-child(n+3) {
    flex: 0 0 min(72vw, 260px);
    scroll-snap-align: start;
    border-inline-start: 0 !important;
    border-top: 0 !important;
    padding: 16px 16px 18px;
    margin-inline-end: 10px;
    border-radius: 10px;
    background:
      linear-gradient(160deg, rgba(255,255,255,.08), rgba(255,255,255,.03));
    border: 1px solid rgba(214, 181, 106, .18) !important;
    box-shadow: 0 10px 28px -16px rgba(0, 0, 0, .55);
  }
  .hero__index a:last-child { margin-inline-end: 16px; }
  .hero__index a:hover,
  .hero__index a:active {
    background: linear-gradient(160deg, rgba(62, 99, 224, .22), rgba(255,255,255,.05));
    border-color: rgba(214, 181, 106, .35) !important;
  }
  .hero__index em { color: var(--pyrite-bright); margin-bottom: 4px; }
  .hero__index b { font-size: 14.5px; }
  .hero__index span { font-size: 12.5px; color: rgba(255,255,255,.55); }

  /* content blocks */
  .statement { padding-block: 56px; }
  .statement__text { font-size: clamp(18px, 5.2vw, 24px); line-height: 1.6; }
  .standards { gap: 8px; }
  .standards li:not(.standards__label) {
    font-size: 11.5px; padding: 9px 11px;
  }

  .svc {
    gap: 18px; padding-block: 32px;
  }
  .svc__num { font-size: 12px; }
  .svc__title { font-size: clamp(20px, 5.5vw, 24px); }
  .svc__desc { font-size: 15.5px; }
  .caps { grid-template-columns: 1fr; gap: 0; margin-top: 22px; }
  .caps li {
    padding: 14px 0 16px;
    font-size: 13.5px;
  }
  .facts {
    grid-template-columns: 1fr;
    gap: 14px; padding: 16px 16px;
    border-radius: var(--r-lg);
  }

  .work-box { padding: 20px 18px; }
  .work-box .work__head h3 { font-size: 18px; }
  .work-box .work__body { font-size: 14px; }
  .works__cta { margin-top: 28px; gap: 14px; }
  .works__cta .btn { width: 100%; min-height: 48px; }

  .security { gap: 28px; }
  .paper {
    padding: 20px 16px;
    font-size: 13px;
    border-radius: 8px;
  }
  .paper__title { font-size: 17px; }
  .paper__meta { grid-template-columns: 1fr 1fr; }
  .paper__table { font-size: 11px; }
  .modes div { grid-template-columns: 1fr; gap: 4px; padding-block: 12px; }

  .sectors { grid-template-columns: 1fr; }
  .sectors li { padding: 22px 0 24px; }
  .sectors h3 { font-size: 17px; }

  .model { padding: 22px 20px 24px; }
  .model h3 { font-size: 20px; }

  .steps { grid-template-columns: 1fr; }
  .steps li {
    display: grid; grid-template-columns: 44px 1fr; column-gap: 12px;
    padding-block: 16px; border-bottom: 1px solid var(--line);
    padding-top: 16px; padding-inline-end: 0;
  }
  .steps__n {
    grid-row: 1 / span 3; font-size: 28px; margin: 0;
    align-self: start; line-height: 1.1;
  }
  .steps h3 { font-size: 16px; }
  .principles { grid-template-columns: 1fr; gap: 0; }
  .principles div { padding: 18px 0; border-top-width: 1.5px; }

  .insight { padding: 22px 18px; }
  .insights { gap: 12px; margin-top: 28px; }

  .qa summary { padding: 16px 0; font-size: 15.5px; min-height: 48px; }
  .faq__head { margin-bottom: 8px; }

  .form {
    padding: 20px 16px;
    gap: 14px;
    border-radius: var(--r-lg);
  }
  .form__row { grid-template-columns: 1fr; gap: 14px; }
  .field input, .field textarea {
    padding: 14px 14px; font-size: 16px; /* prevents iOS zoom */
    min-height: 48px;
  }
  .field textarea { min-height: 120px; }
  .opts { gap: 8px; }
  .opts span { padding: 10px 14px; font-size: 13.5px; min-height: 42px; }
  .btn--block, .form .btn { min-height: 50px; }

  .band { padding-block: 64px; }
  .contact__info { margin-top: 28px; gap: 16px; }

  .page-hero { padding: calc(var(--header) + 36px) 0 36px; }
  .page-hero h1 { font-size: clamp(24px, 7vw, 32px); }
  .blog-grid { margin: 32px 0 56px; gap: 14px; }
  .blog-card { padding: 22px 18px; }
  .article-layout { padding: 36px 0 64px; gap: 28px; }
  .article { font-size: 15.5px; }
  .toc { padding: 16px; }

  .footer__top { grid-template-columns: 1fr; padding-block: 44px 28px; gap: 28px; }
  .footer__bottom {
    flex-direction: column; align-items: flex-start;
    padding-block: 16px calc(16px + env(safe-area-inset-bottom, 0px));
  }
  .footer__col a { min-height: 40px; display: inline-flex; align-items: center; }

  .link { font-size: 14px; }
  .eyebrow { font-size: 12px; margin-bottom: 10px; }
  .lead { font-size: 15px; }
}

@media (max-width: 400px) {
  .brand__name span { display: none; }
  .hero__title { font-size: 28px; }
  .hero__index a,
  .hero__index a:nth-child(3),
  .hero__index a:first-child { flex-basis: 84vw; }
  .works-grid { gap: 12px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; }
  .hero__mark, .hero__title, .hero__lead, .hero__actions, .hero__rail,
  .hero.is-ready .hero__mark, .hero.is-ready .hero__title, .hero.is-ready .hero__lead,
  .hero.is-ready .hero__actions, .hero.is-ready .hero__rail {
    opacity: 1; transform: none; animation: none;
  }
}