/* CODECart Alliance — site stylesheet
   Brand colours come from the logo tiles and are used as domain coding:
   magenta = audio & signal, blue = video & vision, green = DSP optimization, yellow = edge AI. */

@font-face {
  font-family: "Manrope";
  src: url("../fonts/manrope-var.woff2") format("woff2");
  font-weight: 200 800; font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Manrope";
  src: url("../fonts/manrope-var-ext.woff2") format("woff2");
  font-weight: 200 800; font-display: swap;
  unicode-range: U+0100-02AF, U+0304, U+0308, U+0329, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "JetBrains Mono";
  src: url("../fonts/jetbrains-mono-var.woff2") format("woff2");
  font-weight: 100 800; font-display: swap;
}

:root {
  --ink: #0A1020;
  --ink-2: #0F182C;
  --ink-3: #18233B;
  --ink-line: rgba(255, 255, 255, .10);
  --ink-text: #E8EDF5;
  --ink-text-2: #A3AFC2;

  --bg: #FFFFFF;
  --bg-soft: #F5F7FA;
  --bg-tint: #EDF3F9;
  --text: #0E1726;
  --text-2: #465366;
  --text-3: #647084;
  --line: #E2E7EE;
  --line-2: #CFD7E2;

  --accent: #0074B8;
  --accent-hover: #005B91;
  --accent-bright: #33B3F2;

  --c-audio: #E0197D;  --c-audio-ink: #C0126E;
  --c-video: #0093DD;  --c-video-ink: #0070B0;
  --c-dsp:   #86BD2A;  --c-dsp-ink:   #467D0C;
  --c-ai:    #F4C20D;  --c-ai-ink:    #8A6500;

  --radius: 16px;
  --radius-sm: 10px;
  --shadow-sm: 0 1px 2px rgba(14, 23, 38, .06);
  --shadow: 0 1px 2px rgba(14, 23, 38, .05), 0 10px 30px -8px rgba(14, 23, 38, .12);

  --font: "Manrope", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --container: 1200px;
  --gutter: clamp(16px, 4vw, 32px);
  --header-h: 72px;
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 16px); }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 400 17px/1.65 var(--font); font-feature-settings: "ss01" on;
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
img { height: auto; }
a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--accent-hover); }
:focus-visible { outline: 2px solid var(--accent-bright); outline-offset: 3px; border-radius: 4px; }
h1, h2, h3, h4 { margin: 0 0 .5em; line-height: 1.12; letter-spacing: -.022em; font-weight: 750; color: inherit; text-wrap: balance; }
h1 { font-size: clamp(2.3rem, 4.8vw, 3.9rem); letter-spacing: -.032em; line-height: 1.04; font-weight: 780; }
h2 { font-size: clamp(1.8rem, 3.2vw, 2.6rem); }
h3 { font-size: 1.28rem; letter-spacing: -.012em; }
h4 { font-size: 1.02rem; letter-spacing: -.005em; }
p { margin: 0 0 1em; }
ul, ol { margin: 0 0 1em; padding-left: 1.2em; }
li { margin: .25em 0; }
strong { font-weight: 700; }
address { font-style: normal; }
code, .mono { font-family: var(--mono); font-size: .88em; }
hr { border: 0; border-top: 1px solid var(--line); margin: 2.5rem 0; }

.sr-only { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip-link { position: absolute; left: 12px; top: -60px; z-index: 100; background: var(--ink); color: #fff; padding: 10px 16px; border-radius: 8px; }
.skip-link:focus { top: 12px; color: #fff; }

.container { width: 100%; max-width: calc(var(--container) + 2 * var(--gutter)); margin: 0 auto; padding: 0 var(--gutter); }

/* ---------- Type helpers ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: .6em;
  font: 600 .74rem/1.2 var(--mono); letter-spacing: .12em; text-transform: uppercase;
  color: var(--accent); margin: 0 0 1.1rem;
}
.eyebrow::before { content: ""; width: 18px; height: 2px; background: currentColor; border-radius: 2px; }
.lead { font-size: clamp(1.08rem, 1.5vw, 1.24rem); line-height: 1.6; color: var(--text-2); max-width: 46rem; }
.muted { color: var(--text-3); }
.small { font-size: .9rem; }
.kicker { font: 600 .72rem/1.3 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--text-3); }

/* ---------- Buttons & links ---------- */
.btn {
  --b-bg: var(--ink); --b-fg: #fff; --b-bd: var(--ink);
  display: inline-flex; align-items: center; justify-content: center; gap: .55em;
  padding: .86em 1.4em; border-radius: 999px; border: 1.5px solid var(--b-bd);
  background: var(--b-bg); color: var(--b-fg); font: 700 .97rem/1.1 var(--font); letter-spacing: -.005em;
  text-decoration: none; cursor: pointer; transition: background .18s, border-color .18s, color .18s, transform .18s;
  white-space: nowrap;
}
.btn:hover { color: var(--b-fg); transform: translateY(-1px); }
.btn--primary { --b-bg: var(--accent); --b-bd: var(--accent); }
.btn--primary:hover { --b-bg: var(--accent-hover); --b-bd: var(--accent-hover); }
.btn--ghost { --b-bg: transparent; --b-fg: var(--text); --b-bd: var(--line-2); }
.btn--ghost:hover { --b-bd: var(--text); }
.on-dark .btn--ghost { --b-fg: #fff; --b-bd: rgba(255, 255, 255, .28); }
.on-dark .btn--ghost:hover { --b-bd: #fff; }
.btn--sm { padding: .62em 1.1em; font-size: .9rem; }
.btn .arr, .link-arrow .arr { transition: transform .18s; }
.btn:hover .arr, .link-arrow:hover .arr { transform: translateX(3px); }

.link-arrow { display: inline-flex; align-items: center; gap: .4em; font-weight: 700; text-decoration: none; }
.link-arrow .arr { display: inline-block; }

/* ---------- Chips & tags ---------- */
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; list-style: none; }
.chips li { margin: 0; }
.chip {
  display: inline-flex; align-items: center; gap: .45em;
  padding: .38em .78em; border-radius: 999px; border: 1px solid var(--line-2);
  background: #fff; color: var(--text); font-size: .86rem; font-weight: 600; line-height: 1.25;
}
.chip--mono { font: 500 .8rem/1.25 var(--mono); letter-spacing: -.01em; }
.on-dark .chip { background: rgba(255, 255, 255, .04); border-color: var(--ink-line); color: var(--ink-text); }

.tag {
  display: inline-flex; align-items: center; gap: .5em;
  font: 600 .72rem/1.2 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--c-ink, var(--text-2));
}
.tag::before { content: ""; width: 9px; height: 9px; border-radius: 3px; background: var(--c, var(--text-3)); box-shadow: 0 0 0 1.5px var(--ink) inset; }

.d-audio { --c: var(--c-audio); --c-ink: var(--c-audio-ink); }
.d-video { --c: var(--c-video); --c-ink: var(--c-video-ink); }
.d-dsp   { --c: var(--c-dsp);   --c-ink: var(--c-dsp-ink); }
.d-ai    { --c: var(--c-ai);    --c-ink: var(--c-ai-ink); }

/* Icon tile — echoes the logo: flat brand colour inside a thick dark outline */
.tile {
  flex: none; width: 48px; height: 48px; border-radius: 12px; display: grid; place-items: center;
  background: var(--c, var(--c-video)); border: 2.5px solid var(--ink); color: var(--ink);
}
.tile svg { width: 26px; height: 26px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.tile--sm { width: 36px; height: 36px; border-radius: 9px; border-width: 2px; }
.tile--sm svg { width: 20px; height: 20px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50; height: var(--header-h);
  background: rgba(255, 255, 255, .9); backdrop-filter: saturate(180%) blur(14px); -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--line);
}
.site-header__inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand img { height: 30px; width: auto; }
.site-nav { display: flex; align-items: center; gap: 28px; }
.site-nav ul { display: flex; gap: 4px; list-style: none; margin: 0; padding: 0; }
.site-nav li { margin: 0; }
.site-nav ul a {
  position: relative; display: block; padding: 8px 12px; border-radius: 8px;
  color: var(--text-2); font-weight: 650; font-size: .95rem; text-decoration: none; transition: color .15s, background .15s;
}
.site-nav ul a:hover { color: var(--text); background: var(--bg-soft); }
.site-nav ul a[aria-current="page"] { color: var(--text); }
.site-nav ul a[aria-current="page"]::after {
  content: ""; position: absolute; left: 12px; right: 12px; bottom: -15px; height: 2px; background: var(--accent); border-radius: 2px;
}
.nav-toggle { display: none; }

@media (max-width: 960px) {
  .nav-toggle {
    display: grid; place-items: center; width: 44px; height: 44px; margin-right: -8px;
    background: none; border: 0; border-radius: 10px; cursor: pointer; color: var(--text);
  }
  .nav-toggle__bars, .nav-toggle__bars::before, .nav-toggle__bars::after {
    display: block; width: 22px; height: 2px; background: currentColor; border-radius: 2px; transition: transform .2s, opacity .2s; content: "";
  }
  .nav-toggle__bars { position: relative; }
  .nav-toggle__bars::before { position: absolute; top: -7px; }
  .nav-toggle__bars::after { position: absolute; top: 7px; }
  .nav-open .nav-toggle__bars { background: transparent; }
  .nav-open .nav-toggle__bars::before { transform: translateY(7px) rotate(45deg); }
  .nav-open .nav-toggle__bars::after { transform: translateY(-7px) rotate(-45deg); }

  .site-nav {
    position: fixed; inset: var(--header-h) 0 auto 0; z-index: 49;
    flex-direction: column; align-items: stretch; gap: 16px; padding: 16px var(--gutter) 24px;
    background: #fff; border-bottom: 1px solid var(--line); box-shadow: 0 20px 40px -20px rgba(14, 23, 38, .25);
    transform: translateY(-8px); opacity: 0; visibility: hidden; transition: transform .2s, opacity .2s, visibility .2s;
  }
  .js .nav-open .site-nav { transform: none; opacity: 1; visibility: visible; }
  .site-nav ul { flex-direction: column; gap: 0; }
  .site-nav ul a { padding: 14px 4px; font-size: 1.05rem; border-bottom: 1px solid var(--line); border-radius: 0; }
  .site-nav ul a:hover { background: none; }
  .site-nav ul a[aria-current="page"]::after { left: auto; right: 4px; top: 50%; bottom: auto; width: 8px; height: 8px; border-radius: 50%; transform: translateY(-50%); }
  .site-nav .btn { align-self: flex-start; }
  html:not(.js) .site-nav { position: static; visibility: visible; opacity: 1; transform: none; }
}

/* ---------- Dark surfaces ---------- */
.on-dark { background: var(--ink); color: var(--ink-text); }
.on-dark .lead, .on-dark .muted { color: var(--ink-text-2); }
.on-dark .eyebrow { color: var(--accent-bright); }
.on-dark a:not(.btn) { color: var(--accent-bright); }
.graticule {
  background-image:
    linear-gradient(rgba(255, 255, 255, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .045) 1px, transparent 1px);
  background-size: 48px 48px; background-position: -1px -1px;
}

/* ---------- Home hero ---------- */
.hero { position: relative; overflow: hidden; padding: clamp(56px, 8vw, 104px) 0 clamp(120px, 14vw, 170px); isolation: isolate; }
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(620px 360px at 82% 18%, rgba(224, 25, 125, .20), transparent 70%),
    radial-gradient(520px 380px at 8% 90%, rgba(0, 147, 221, .20), transparent 70%);
}
.hero::after { /* fade the graticule towards the bottom */
  content: ""; position: absolute; inset: auto 0 0 0; height: 40%; z-index: -1;
  background: linear-gradient(to bottom, transparent, var(--ink));
}
.hero__grid { display: grid; grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr); gap: clamp(32px, 5vw, 72px); align-items: center; }
.hero h1 { color: #fff; margin-bottom: .45em; font-size: clamp(2.3rem, 4.2vw, 3.5rem); }
.hero h1 .hl { background: linear-gradient(90deg, #FF5AAE, #3DB8F5 60%, #A6DB55); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero .lead { color: #BAC5D6; font-size: clamp(1.08rem, 1.45vw, 1.2rem); }
.hero__ctas { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 2rem; }
.hero__note { margin-top: 1.25rem; font-size: .92rem; color: var(--ink-text-2); display: flex; align-items: center; gap: .6em; }
.hero__note::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: #3DDC84; box-shadow: 0 0 0 4px rgba(61, 220, 132, .15); flex: none; }

@media (max-width: 1000px) { .hero__grid { grid-template-columns: 1fr; } }

/* Signal figure (generated in build.mjs) */
.signal {
  margin: 0; padding: 18px 18px 16px; border-radius: 18px;
  background: linear-gradient(180deg, rgba(24, 35, 59, .88), rgba(15, 24, 44, .92));
  border: 1px solid rgba(255, 255, 255, .12);
  box-shadow: 0 30px 80px -30px rgba(0, 0, 0, .6), inset 0 1px 0 rgba(255, 255, 255, .06);
}
.signal__head { font: 500 .74rem/1.3 var(--mono); color: var(--ink-text-2); letter-spacing: .02em; margin: 2px 4px 12px; }
.signal__head span { color: var(--c-ai); margin-right: .6em; }
.signal svg { width: 100%; height: auto; }
.sig-grid { stroke: rgba(255, 255, 255, .06); stroke-width: 1; fill: none; }
.sig-axis { stroke: rgba(255, 255, 255, .22); stroke-width: 1; fill: none; }
.sig-float { stroke: rgba(226, 234, 245, .55); stroke-width: 1.5; fill: none; stroke-dasharray: 3 3; }
.sig-fixed { stroke: url(#sigGrad); stroke-width: 2.6; fill: none; stroke-linejoin: round; stroke-dasharray: 1; stroke-dashoffset: 0; }
.sig-samples { stroke: #fff; stroke-width: 4.5; stroke-linecap: round; opacity: .85; }
.sig-bound { stroke: rgba(244, 194, 13, .5); stroke-width: 1; stroke-dasharray: 4 4; fill: none; }
.sig-err { stroke: var(--c-ai); stroke-width: 4; stroke-linecap: round; opacity: .9; }
.sig-label { fill: var(--ink-text-2); font: 500 11px var(--mono); }
.signal__legend { display: flex; flex-wrap: wrap; gap: 6px 20px; margin: 10px 4px 14px; font: 500 .74rem/1.3 var(--mono); color: var(--ink-text-2); }
.signal__legend span { display: inline-flex; align-items: center; gap: 8px; }
.lg { display: inline-block; width: 22px; height: 0; border-top: 2px dashed rgba(226, 234, 245, .6); }
.lg--fixed { border-top: 3px solid; border-image: linear-gradient(90deg, #F0479B, #27B0F0) 1; }
.signal__flow {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 6px; list-style: none; margin: 0; padding: 12px 0 0;
  border-top: 1px solid var(--ink-line); counter-reset: s;
}
.signal__flow li {
  counter-increment: s; position: relative; margin: 0; padding: 8px 6px; border-radius: 8px; text-align: center;
  background: rgba(255, 255, 255, .04); border: 1px solid var(--ink-line);
  font: 500 .68rem/1.25 var(--mono); color: var(--ink-text);
}
.signal__flow li::before { content: "0" counter(s); display: block; color: var(--ink-text-2); font-size: .62rem; margin-bottom: 2px; }
.signal__flow li:last-child { border-color: rgba(134, 189, 42, .55); background: rgba(134, 189, 42, .10); }
@media (max-width: 520px) { .signal__flow { grid-template-columns: repeat(3, 1fr); } }

@media (prefers-reduced-motion: no-preference) {
  .js .sig-fixed { animation: draw 2.4s cubic-bezier(.4, 0, .2, 1) .25s both; }
  .js .sig-samples, .js .sig-err { animation: fade 1s ease .9s both; }
  @keyframes draw { from { stroke-dashoffset: 1; } to { stroke-dashoffset: 0; } }
  @keyframes fade { from { opacity: 0; } }
}

/* ---------- Pillars (overlapping the hero) ---------- */
.pillars-wrap { position: relative; margin-top: clamp(-120px, -10vw, -80px); z-index: 2; }
.pillars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.pillar {
  position: relative; display: flex; flex-direction: column; padding: 28px 28px 24px;
  background: #fff; border-radius: var(--radius); border: 1px solid var(--line); box-shadow: var(--shadow);
  transition: transform .2s, box-shadow .2s, border-color .2s;
}
.pillar::before { content: ""; position: absolute; left: 28px; right: 28px; top: -1px; height: 3px; border-radius: 0 0 3px 3px; background: var(--c); }
.pillar:hover { transform: translateY(-3px); box-shadow: 0 2px 4px rgba(14, 23, 38, .05), 0 22px 40px -16px rgba(14, 23, 38, .22); }
.pillar h3 { margin: 18px 0 10px; font-size: 1.36rem; }
.pillar p { color: var(--text-2); font-size: .98rem; }
.pillar ul { list-style: none; padding: 0; margin: 4px 0 22px; border-top: 1px solid var(--line); }
.pillar li { margin: 0; padding: 9px 0; border-bottom: 1px solid var(--line); font-size: .92rem; font-weight: 600; display: flex; gap: .7em; align-items: baseline; }
.pillar li::before { content: ""; flex: none; width: 6px; height: 6px; border-radius: 2px; background: var(--c); transform: translateY(-2px); }
.pillar .link-arrow { margin-top: auto; color: var(--c-ink); }
@media (max-width: 960px) { .pillars { grid-template-columns: 1fr; } }

.edge-band {
  margin-top: 20px; display: grid; grid-template-columns: auto 1fr auto; gap: 24px; align-items: center;
  padding: 22px 28px; border-radius: var(--radius); border: 1px solid var(--line); background: #fff; box-shadow: var(--shadow-sm);
}
.edge-band h3 { margin: 0 0 4px; font-size: 1.12rem; }
.edge-band p { margin: 0; color: var(--text-2); font-size: .95rem; }
.edge-band .link-arrow { color: var(--c-ai-ink); }
@media (max-width: 760px) { .edge-band { grid-template-columns: 1fr; gap: 14px; padding: 22px; } }

/* ---------- Proof band ---------- */
.proof {
  display: grid; grid-template-columns: repeat(4, 1fr); margin-top: clamp(40px, 6vw, 64px);
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.proof__item { padding: 26px 24px 24px; border-left: 1px solid var(--line); }
.proof__item:first-child { border-left: 0; padding-left: 0; }
.proof__value { display: block; font: 700 clamp(1.5rem, 2.4vw, 2rem)/1.1 var(--font); letter-spacing: -.03em; margin-bottom: 8px; }
.proof__value small { font: 600 .7rem var(--mono); letter-spacing: .08em; color: var(--text-3); text-transform: uppercase; margin-left: .3em; vertical-align: middle; }
.proof__label { color: var(--text-2); font-size: .93rem; line-height: 1.5; margin: 0; }
@media (max-width: 900px) {
  .proof { grid-template-columns: 1fr 1fr; }
  .proof__item:nth-child(odd) { border-left: 0; padding-left: 0; }
  .proof__item:nth-child(n+3) { border-top: 1px solid var(--line); }
}
@media (max-width: 480px) { .proof { grid-template-columns: 1fr; } .proof__item { border-left: 0; padding-left: 0; } .proof__item + .proof__item { border-top: 1px solid var(--line); } }

/* ---------- Sections ---------- */
.section { padding: clamp(64px, 9vw, 112px) 0; }
.section--tight { padding: clamp(44px, 6vw, 72px) 0; }
.section--soft { background: var(--bg-soft); }
.section--line { border-top: 1px solid var(--line); }
.section-head { max-width: 780px; margin-bottom: clamp(32px, 4.5vw, 52px); }
.section-head--split { max-width: none; display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; flex-wrap: wrap; }
.section-head--split > div { max-width: 720px; }
.section-head p:last-child { margin-bottom: 0; }

/* ---------- Who we work with (anonymized customers) ---------- */
.clients { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 24px 56px; align-items: start; }
.clients__intro .kicker { display: block; margin-bottom: 12px; }
.clients__title { font-size: clamp(1.5rem, 2.4vw, 2rem); margin-bottom: 14px; }
.clients__intro p { margin: 0; color: var(--text-2); font-size: .98rem; }
.sectors { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.sectors li {
  position: relative; margin: 0; padding: 16px 18px 16px 40px; border-radius: 12px;
  background: #fff; border: 1px solid var(--line);
}
.sectors li::before {
  content: ""; position: absolute; left: 18px; top: 21px; width: 10px; height: 10px; border-radius: 3px;
  background: var(--c, var(--text-3)); box-shadow: 0 0 0 1.5px var(--ink) inset;
}
.sectors b { display: block; font-size: .98rem; letter-spacing: -.01em; }
.sectors span { display: block; margin-top: 3px; font-size: .88rem; line-height: 1.45; color: var(--text-2); }
.standards { grid-column: 1 / -1; display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 12px 56px; align-items: center; padding-top: 24px; border-top: 1px solid var(--line); }
.standards .kicker { margin: 0; }
.clients__foot { grid-column: 1 / -1; margin: 0; padding-top: 18px; border-top: 1px dashed var(--line-2); font-size: .9rem; color: var(--text-3); }
@media (max-width: 960px) {
  .clients, .standards { grid-template-columns: 1fr; }
}
@media (max-width: 560px) { .sectors { grid-template-columns: 1fr; } }

/* ---------- Method (algorithm → product) ---------- */
.method { position: relative; }
.method__steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; list-style: none; margin: 0; padding: 0; counter-reset: step; }
.method__step {
  counter-increment: step; position: relative; margin: 0; padding: 22px 20px 20px; display: flex; flex-direction: column; align-items: flex-start;
  background: #fff; border: 1px solid var(--line); border-radius: 14px; box-shadow: var(--shadow-sm);
}
.method__step::before {
  content: "0" counter(step); display: block; margin-bottom: 14px;
  font: 600 .74rem var(--mono); letter-spacing: .06em; color: var(--text-3);
}
.method__step:not(:last-child)::after { /* connector arrow */
  content: ""; position: absolute; top: 30px; right: -12px; width: 10px; height: 10px; z-index: 1;
  border-top: 2px solid var(--line-2); border-right: 2px solid var(--line-2); transform: rotate(45deg);
}
.method__step h3 { font-size: 1.06rem; margin-bottom: 8px; }
.method__step p { font-size: .9rem; color: var(--text-2); margin-bottom: 14px; }
.method__artifact {
  display: inline-block; margin-top: auto; font: 500 .72rem/1.3 var(--mono); color: var(--text); background: var(--bg-soft);
  border: 1px solid var(--line); border-radius: 6px; padding: 5px 8px;
}
.method__step--final { border-color: rgba(134, 189, 42, .6); background: linear-gradient(180deg, #fff, #F6FBEE); }
.method__loops { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; margin-top: 14px; }
.loop {
  position: relative; padding: 16px 16px 0; text-align: center;
  font: 500 .76rem/1.4 var(--mono); color: var(--text-2);
}
.loop::before { /* bracket joining the steps it spans */
  content: ""; position: absolute; left: 10%; right: 10%; top: 0; height: 10px;
  border: 2px dashed var(--line-2); border-top: 0; border-radius: 0 0 10px 10px;
}
.loop b { color: var(--text); font-weight: 600; }
.loop--a { grid-column: 1 / 4; }
.loop--b { grid-column: 4 / 6; }
.loop--a::before { border-color: rgba(224, 25, 125, .45); }
.loop--b::before { border-color: rgba(0, 147, 221, .45); }
.method__loops { align-items: start; }
@media (max-width: 1080px) {
  .method__steps { grid-template-columns: 1fr 1fr; }
  .method__step:not(:last-child)::after { display: none; }
  .method__step--final { grid-column: 1 / -1; }
  .method__loops { grid-template-columns: 1fr; }
  .loop--a, .loop--b { grid-column: 1; margin-top: 0; text-align: left; padding: 8px 0 0; }
  .loop::before { display: none; }
}
@media (max-width: 560px) { .method__steps { grid-template-columns: 1fr; } }

/* ---------- Case cards (home) ---------- */
.cases { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.case-card {
  display: flex; flex-direction: column; padding: 26px; border-radius: var(--radius);
  background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow-sm); color: inherit; text-decoration: none;
  transition: transform .2s, box-shadow .2s, border-color .2s;
}
.case-card:hover { color: inherit; transform: translateY(-3px); box-shadow: var(--shadow); border-color: var(--line-2); }
.case-card__meta { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 18px; }
.case-card__platform { font: 500 .72rem var(--mono); color: var(--text-3); text-align: right; }
.case-card h3 { font-size: 1.22rem; margin-bottom: 10px; }
.case-card p { color: var(--text-2); font-size: .95rem; }
.result {
  display: flex; gap: 10px; margin: auto 0 0; padding: 14px 16px; border-radius: 10px;
  background: var(--bg-soft); border: 1px solid var(--line); font-size: .9rem; font-weight: 600; line-height: 1.45;
}
.result svg { flex: none; width: 18px; height: 18px; margin-top: 1px; stroke: var(--c-dsp-ink); fill: none; stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; }
.case-card .link-arrow { margin-top: 18px; color: var(--accent); font-size: .94rem; }
@media (max-width: 960px) { .cases { grid-template-columns: 1fr; } }

/* ---------- Platforms (dark) ---------- */
.platforms { position: relative; overflow: hidden; }
.platforms h2 { color: #fff; }
.platforms__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.platforms__col { padding: 24px; border: 1px solid var(--ink-line); border-radius: 14px; background: rgba(255, 255, 255, .025); }
.platforms__col h3 { font: 600 .74rem/1.3 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--ink-text-2); margin-bottom: 16px; }
.platforms__foot { margin-top: 28px; display: flex; flex-wrap: wrap; gap: 16px 28px; align-items: center; justify-content: space-between; }
.platforms__foot p { margin: 0; color: var(--ink-text-2); max-width: 640px; }
@media (max-width: 960px) { .platforms__grid { grid-template-columns: 1fr; } }

/* ---------- Engagement models ---------- */
.engage { display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px; }
.engage__item { grid-column: span 2; padding: 24px; border: 1px solid var(--line); border-radius: 14px; background: #fff; }
.engage__item:nth-child(4) { grid-column: 2 / span 2; }
.engage__item h3 { font-size: 1.08rem; margin: 14px 0 8px; }
.engage__item p { font-size: .93rem; color: var(--text-2); margin: 0; }
.engage__icon { width: 40px; height: 40px; border-radius: 10px; display: grid; place-items: center; background: var(--bg-tint); color: var(--accent); }
.engage__icon svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; }
.engage__best { display: block; margin-top: 12px; font: 500 .72rem/1.4 var(--mono); color: var(--text-3); }
@media (max-width: 960px) { .engage { grid-template-columns: 1fr 1fr; } .engage__item, .engage__item:nth-child(4) { grid-column: auto; } }
@media (max-width: 600px) { .engage { grid-template-columns: 1fr; } }

/* ---------- CTA ---------- */
.section--cta { padding-top: 0; }
.on-dark + .section--cta, .section--soft + .section--cta { padding-top: clamp(44px, 6vw, 72px); }
.cta {
  position: relative; overflow: hidden; display: grid; grid-template-columns: 1fr auto; gap: 32px; align-items: center;
  padding: clamp(32px, 5vw, 56px); border-radius: 22px; background: var(--ink); color: var(--ink-text); isolation: isolate;
}
.cta::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: radial-gradient(500px 260px at 100% 0%, rgba(0, 147, 221, .28), transparent 70%),
              radial-gradient(420px 240px at 0% 100%, rgba(224, 25, 125, .22), transparent 70%);
}
.cta h2 { color: #fff; margin-bottom: 12px; max-width: 22ch; }
.cta p { color: var(--ink-text-2); margin: 0; max-width: 56ch; }
.cta__actions { display: flex; flex-direction: column; align-items: flex-start; gap: 12px; }
.cta__actions .small { color: var(--ink-text-2); }
.cta__actions .small a { color: #fff; }
.cta__tiles { position: absolute; right: 28px; top: 24px; display: grid; grid-template-columns: repeat(2, 12px); gap: 4px; opacity: .9; }
.cta__tiles i { width: 12px; height: 12px; border-radius: 3px; }
@media (max-width: 800px) { .cta { grid-template-columns: 1fr; } .cta__tiles { display: none; } }

/* ---------- Inner page hero ---------- */
.page-hero { position: relative; overflow: hidden; padding: clamp(56px, 7vw, 96px) 0 clamp(48px, 6vw, 80px); isolation: isolate; }
.page-hero::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: radial-gradient(560px 300px at 88% 10%, rgba(0, 147, 221, .22), transparent 70%),
              radial-gradient(400px 260px at 70% 110%, rgba(224, 25, 125, .16), transparent 70%);
}
.page-hero h1 { color: #fff; max-width: 20ch; }
.page-hero .lead { color: #BAC5D6; }
.page-hero__nav { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 30px; }
.page-hero__nav a {
  display: inline-flex; align-items: center; gap: .55em; padding: .5em .95em; border-radius: 999px;
  border: 1px solid var(--ink-line); background: rgba(255, 255, 255, .04); color: var(--ink-text) !important;
  font-size: .9rem; font-weight: 600; text-decoration: none; transition: border-color .15s, background .15s;
}
.page-hero__nav a:hover { border-color: rgba(255, 255, 255, .4); background: rgba(255, 255, 255, .08); }
.page-hero__nav a i { width: 9px; height: 9px; border-radius: 3px; background: var(--c, #fff); }

/* ---------- Expertise page ---------- */
.domain { padding: clamp(64px, 8vw, 104px) 0; border-top: 1px solid var(--line); }
.domain:first-of-type { border-top: 0; }
.domain__grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(32px, 5vw, 72px); align-items: start; }
.domain__intro { position: sticky; top: calc(var(--header-h) + 32px); }
.domain__intro h2 { margin: 20px 0 16px; }
.domain__intro .lead { font-size: 1.06rem; }
.domain__offer { margin-top: 24px; padding: 18px 20px; border-radius: 12px; background: var(--bg-soft); border-left: 3px solid var(--c); }
.domain__offer h3 { font: 600 .72rem/1.3 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--c-ink); margin-bottom: 8px; }
.domain__offer p { margin: 0; font-size: .95rem; color: var(--text-2); }
.domain__related { margin-top: 20px; display: flex; flex-direction: column; gap: 8px; font-size: .94rem; }
.domain__related .kicker { margin-bottom: 2px; }
.caps { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.cap { padding: 22px; border: 1px solid var(--line); border-radius: 14px; background: #fff; }
.cap--wide { grid-column: 1 / -1; }
.cap h3 { font-size: 1.02rem; margin-bottom: 12px; display: flex; align-items: center; gap: .6em; }
.cap h3::before { content: ""; width: 8px; height: 8px; border-radius: 2px; background: var(--c); flex: none; }
.cap ul { list-style: none; padding: 0; margin: 0; }
.cap li:not(.chip) { position: relative; padding-left: 16px; font-size: .94rem; color: var(--text-2); margin: .38em 0; }
.cap li:not(.chip)::before { content: ""; position: absolute; left: 0; top: .72em; width: 6px; height: 1.5px; background: var(--line-2); }
.cap p { font-size: .94rem; color: var(--text-2); margin: 0; }
.cap .chips { margin-top: 2px; }
.cap .chip { font-size: .82rem; }
@media (max-width: 960px) { .domain__grid { grid-template-columns: 1fr; } .domain__intro { position: static; } }
@media (max-width: 600px) { .caps { grid-template-columns: 1fr; } }

.lifecycle { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; }
.lifecycle .cap h3::before { background: var(--accent); }

/* ---------- Case studies page ---------- */
.filterbar { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 36px; }
.filterbar button {
  display: inline-flex; align-items: center; gap: .5em; padding: .55em 1em; border-radius: 999px; cursor: pointer;
  border: 1px solid var(--line-2); background: #fff; color: var(--text-2); font: 650 .9rem var(--font);
  transition: background .15s, color .15s, border-color .15s;
}
.filterbar button i { width: 9px; height: 9px; border-radius: 3px; background: var(--c, var(--text-3)); }
.filterbar button:hover { border-color: var(--text); color: var(--text); }
.filterbar button[aria-pressed="true"] { background: var(--ink); border-color: var(--ink); color: #fff; }
html:not(.js) .filterbar { display: none; }

.cs-index { display: grid; grid-template-columns: 250px minmax(0, 1fr); gap: 48px; align-items: start; }
.cs-toc { position: sticky; top: calc(var(--header-h) + 32px); font-size: .92rem; }
.cs-toc ol { list-style: none; padding: 0; margin: 12px 0 0; border-left: 1px solid var(--line); }
.cs-toc li { margin: 0; }
.cs-toc a { display: block; padding: 7px 0 7px 16px; margin-left: -1px; border-left: 2px solid transparent; color: var(--text-2); text-decoration: none; line-height: 1.35; }
.cs-toc a:hover { color: var(--text); border-left-color: var(--line-2); }
@media (max-width: 1000px) { .cs-index { grid-template-columns: 1fr; } .cs-toc { display: none; } }

.cs { position: relative; padding: clamp(28px, 4vw, 40px); margin-bottom: 28px; border: 1px solid var(--line); border-radius: 20px; background: #fff; box-shadow: var(--shadow-sm); }
.cs::before { content: ""; position: absolute; left: -1px; top: 32px; bottom: 32px; width: 3px; border-radius: 0 3px 3px 0; background: var(--c); }
.cs[hidden] { display: none; }
.cs__head { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 18px; margin-bottom: 14px; }
.cs__head .chips { gap: 6px; }
.cs h2 { font-size: clamp(1.5rem, 2.4vw, 1.9rem); margin-bottom: 12px; max-width: 30ch; }
.cs__summary { color: var(--text-2); font-size: 1.04rem; max-width: 62ch; }
.cs__body { display: grid; grid-template-columns: 1fr 1fr; gap: 16px 36px; margin-top: 26px; padding-top: 26px; border-top: 1px solid var(--line); }
.cs__block h3 { display: flex; align-items: baseline; gap: .6em; font: 600 .74rem/1.3 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--text-3); margin-bottom: 10px; }
.cs__block h3 span { color: var(--c-ink); }
.cs__block p, .cs__block li { font-size: .95rem; color: var(--text-2); }
.cs__block ul { padding-left: 1.1em; margin: 0; }
.cs__block li { margin: .3em 0; }
.cs__block li::marker { color: var(--c); }
.cs__block--did { grid-column: 2; grid-row: 1 / span 3; }
.cs__result {
  grid-column: 1 / -1; display: grid; grid-template-columns: auto 1fr; gap: 14px; align-items: start;
  padding: 18px 20px; border-radius: 12px; background: var(--bg-soft); border: 1px solid var(--line);
}
.cs__result h3 { margin: 0 0 4px; }
.cs__result p { margin: 0; font-size: 1rem; color: var(--text); font-weight: 600; line-height: 1.5; }
.cs__result .tick { width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; background: #EAF5DA; }
.cs__result .tick svg { width: 16px; height: 16px; fill: none; stroke: var(--c-dsp-ink); stroke-width: 2.6; stroke-linecap: round; stroke-linejoin: round; }
@media (max-width: 760px) { .cs__body { grid-template-columns: 1fr; } .cs__block--did { grid-column: auto; grid-row: auto; } }

.more-projects { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; }
.mini { padding: 20px 22px; border: 1px solid var(--line); border-radius: 14px; background: #fff; }
.mini h3 { font-size: 1rem; margin: 10px 0 6px; }
.mini p { margin: 0; font-size: .92rem; color: var(--text-2); }

.heritage { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(32px, 5vw, 64px); }
.heritage__list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--ink-line); }
.heritage__list li { margin: 0; padding: 16px 0; border-bottom: 1px solid var(--ink-line); display: grid; grid-template-columns: 170px 1fr; gap: 20px; }
.heritage__list b { font: 600 .76rem/1.5 var(--mono); letter-spacing: .04em; color: var(--accent-bright); }
.heritage__list span { color: var(--ink-text); font-size: .96rem; }
.stack-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 28px; }
.stack-card { padding: 20px; border-radius: 14px; border: 1px solid var(--ink-line); background: rgba(255, 255, 255, .03); }
.stack-card h3 { color: #fff; font-size: 1.05rem; margin-bottom: 10px; }
.stack-card ul { margin: 0; padding-left: 1.1em; color: var(--ink-text-2); font-size: .9rem; }
@media (max-width: 960px) { .heritage { grid-template-columns: 1fr; } }
@media (max-width: 600px) { .heritage__list li { grid-template-columns: 1fr; gap: 4px; } .stack-cards { grid-template-columns: 1fr; } }

/* ---------- Technologies page ---------- */
.tech-search {
  position: sticky; top: var(--header-h); z-index: 20; padding: 14px 0; background: rgba(255, 255, 255, .94);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border-bottom: 1px solid var(--line);
}
.tech-search__inner { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.tech-search label { position: relative; flex: 1 1 320px; max-width: 560px; }
.tech-search input {
  width: 100%; padding: 13px 16px 13px 44px; border-radius: 12px; border: 1.5px solid var(--line-2); background: #fff;
  font: 500 1rem var(--font); color: var(--text); transition: border-color .15s, box-shadow .15s;
}
.tech-search input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 4px rgba(0, 116, 184, .12); }
.tech-search label svg { position: absolute; left: 15px; top: 50%; width: 18px; height: 18px; transform: translateY(-50%); stroke: var(--text-3); fill: none; stroke-width: 2; }
.tech-search__status { font: 500 .8rem var(--mono); color: var(--text-3); }
.tech-search__quick { display: flex; flex-wrap: wrap; gap: 6px; }
.tech-search__quick button { border: 0; background: var(--bg-soft); border-radius: 6px; padding: 5px 9px; cursor: pointer; font: 500 .76rem var(--mono); color: var(--text-2); }
.tech-search__quick button:hover { background: var(--bg-tint); color: var(--text); }
html:not(.js) .tech-search { display: none; }

.tech-grid { columns: 3 320px; column-gap: 20px; }
.tech-group { break-inside: avoid; margin: 0 0 20px; padding: 22px; border: 1px solid var(--line); border-radius: 14px; background: #fff; }
.tech-group[hidden] { display: none; }
.tech-group h2 { font-size: 1.02rem; letter-spacing: -.01em; display: flex; align-items: center; gap: .6em; margin-bottom: 14px; }
.tech-group h2 i { width: 9px; height: 9px; border-radius: 3px; background: var(--c, var(--accent)); flex: none; }
.tech-group p { font-size: .88rem; color: var(--text-3); margin: 12px 0 0; }
.tech-group .chip { transition: opacity .15s, background .15s, border-color .15s; }
.tech-grid.is-filtering .chip { opacity: .35; }
.tech-grid.is-filtering .chip.is-match { opacity: 1; background: #FFF6CC; border-color: #E4C44A; }
.tech-empty { display: none; padding: 32px; text-align: center; border: 1px dashed var(--line-2); border-radius: 14px; color: var(--text-2); }
.tech-empty.is-visible { display: block; }

/* ---------- About page ---------- */
.timeline { list-style: none; margin: 0; padding: 0; position: relative; }
.timeline::before { content: ""; position: absolute; left: 88px; top: 8px; bottom: 8px; width: 2px; background: linear-gradient(var(--c-dsp), var(--c-ai), var(--c-audio), var(--c-video)); border-radius: 2px; }
.timeline li { position: relative; display: grid; grid-template-columns: 70px 1fr; gap: 44px; margin: 0; padding: 0 0 30px; }
.timeline li::before { content: ""; position: absolute; left: 82px; top: 6px; width: 14px; height: 14px; border-radius: 4px; background: #fff; border: 2.5px solid var(--ink); }
.timeline li:last-child { padding-bottom: 0; }
.timeline li:last-child::before { background: var(--c-dsp); }
.timeline time { font: 700 .95rem/1.6 var(--mono); color: var(--text); text-align: right; }
.timeline h3 { font-size: 1.08rem; margin-bottom: 4px; }
.timeline p { margin: 0; color: var(--text-2); font-size: .96rem; }

.about-intro { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: clamp(32px, 5vw, 72px); align-items: start; }
.facts { margin: 0; padding: 26px; border-radius: 16px; background: var(--bg-soft); border: 1px solid var(--line); display: grid; gap: 16px; }
.facts div { display: grid; grid-template-columns: 120px 1fr; gap: 14px; padding-bottom: 14px; border-bottom: 1px solid var(--line); }
.facts div:last-child { border-bottom: 0; padding-bottom: 0; }
.facts dt { font: 600 .72rem/1.6 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--text-3); }
.facts dd { margin: 0; font-weight: 600; font-size: .96rem; }
@media (max-width: 900px) { .about-intro { grid-template-columns: 1fr; } }

.values { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.value { padding: 24px; border-radius: 14px; border: 1px solid var(--line); background: #fff; }
.value h3 { font-size: 1.04rem; margin: 16px 0 8px; }
.value p { margin: 0; font-size: .93rem; color: var(--text-2); }
@media (max-width: 1000px) { .values { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .values { grid-template-columns: 1fr; } }

.mapwrap { display: grid; grid-template-columns: minmax(0, 8fr) minmax(0, 4fr); gap: 40px; align-items: center; }
.worldmap { width: 100%; height: auto; }
.map-land { stroke: rgba(255, 255, 255, .2); stroke-width: 4; stroke-linecap: round; fill: none; }
.map-city { fill: var(--accent-bright); stroke: var(--ink); stroke-width: 2.5; }
.map-na { fill: var(--c-dsp); }
.map-as { fill: var(--c-ai); }
.map-hq circle { fill: var(--c-audio); stroke: #fff; stroke-width: 2; }
.map-hq .map-pulse { fill: none; stroke: var(--c-audio); stroke-width: 2; }
@media (prefers-reduced-motion: no-preference) {
  .map-pulse { transform-box: fill-box; transform-origin: center; animation: pulse 2.4s ease-out infinite; }
  @keyframes pulse { from { transform: scale(1); opacity: .9; } to { transform: scale(3.2); opacity: 0; } }
}
.map-legend { list-style: none; margin: 0; padding: 0; display: grid; gap: 18px; }
.map-legend li { margin: 0; }
.map-legend h3 { display: flex; align-items: center; gap: .6em; font: 600 .74rem/1.3 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: #fff; margin-bottom: 6px; }
.map-legend h3 i { width: 10px; height: 10px; border-radius: 50%; }
.map-legend p { margin: 0; font-size: .92rem; color: var(--ink-text-2); }
@media (max-width: 900px) { .mapwrap { grid-template-columns: 1fr; } }

/* Silicon → platform → product chain (anonymized customers) */
.chain { position: relative; display: grid; grid-template-columns: repeat(3, 1fr); gap: 48px; list-style: none; margin: 0; padding: 40px 0 0; counter-reset: none; }
.chain::before { /* the connecting line */
  content: ""; position: absolute; left: 0; right: 14px; top: 11px; height: 2px;
  background: linear-gradient(90deg, var(--c-dsp), var(--c-video) 50%, var(--c-audio));
}
.chain::after { /* arrowhead */
  content: ""; position: absolute; right: 2px; top: 6px; width: 10px; height: 10px;
  border-top: 2px solid var(--c-audio); border-right: 2px solid var(--c-audio); transform: rotate(45deg);
}
.chain__step { position: relative; margin: 0; }
.chain__step::before { /* node: a logo-style tile on the line */
  content: ""; position: absolute; left: 0; top: -40px; width: 22px; height: 22px; border-radius: 6px;
  background: var(--c); border: 2.5px solid var(--ink); box-shadow: 0 0 0 5px #fff;
}
.chain__label { display: block; margin-bottom: 10px; font: 600 .74rem/1.3 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--c-ink); }
.chain__step h3 { font-size: 1.24rem; margin-bottom: 10px; }
.chain__step p { color: var(--text-2); font-size: .97rem; }
.chain__how { position: relative; margin: 0; padding-left: 14px; border-left: 2px solid var(--line-2); font-size: .9rem !important; color: var(--text-3) !important; }
@media (max-width: 900px) {
  .chain { grid-template-columns: 1fr; gap: 36px; padding: 0 0 0 44px; }
  .chain::before { left: 10px; right: auto; top: 6px; bottom: 14px; width: 2px; height: auto; background: linear-gradient(180deg, var(--c-dsp), var(--c-video) 50%, var(--c-audio)); }
  .chain::after { left: 5px; right: auto; top: auto; bottom: 4px; transform: rotate(135deg); }
  .chain__step::before { left: -44px; top: 0; }
}

.lasting { display: grid; grid-template-columns: 220px 1fr; gap: 24px; align-items: start; margin-top: clamp(48px, 6vw, 72px); padding-top: 32px; border-top: 1px solid var(--line); }
.lasting .kicker { margin: 4px 0 0; }
.lasting dl { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; margin: 0; }
.lasting dl > div { padding: 0 24px; border-left: 1px solid var(--line); }
.lasting dl > div:first-child { padding-left: 0; border-left: 0; }
.lasting dt { font: 700 1.5rem/1.1 var(--font); letter-spacing: -.03em; margin-bottom: 8px; }
.lasting dd { margin: 0; color: var(--text-2); font-size: .93rem; line-height: 1.55; }
@media (max-width: 900px) {
  .lasting { grid-template-columns: 1fr; }
  .lasting dl { grid-template-columns: 1fr; gap: 20px; }
  .lasting dl > div { padding: 0; border-left: 0; }
}

/* ---------- Research page ---------- */
.paper { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: clamp(28px, 4vw, 56px); padding: clamp(28px, 4vw, 44px); border-radius: 20px; border: 1px solid var(--line); background: #fff; box-shadow: var(--shadow); }
.paper h2 { font-size: clamp(1.5rem, 2.6vw, 2.1rem); margin: 12px 0 14px; }
.paper__cite { font-size: .95rem; color: var(--text-2); }
.paper__cite em { color: var(--text); }
.paper__actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.bitfield { align-self: center; padding: 22px; border-radius: 14px; background: var(--ink); color: var(--ink-text); font-family: var(--mono); }
.bitfield__caption { font-size: .72rem; color: var(--ink-text-2); margin-bottom: 14px; letter-spacing: .02em; }
.bitfield__row { display: grid; grid-template-columns: 7fr 3fr; gap: 4px; }
.bitfield__cell { padding: 14px 10px; border-radius: 6px; text-align: center; font-size: .78rem; line-height: 1.35; color: var(--ink); font-weight: 600; }
.bitfield__cell small { display: block; font-weight: 500; font-size: .66rem; opacity: .75; }
.bitfield__m { background: var(--c-video); }
.bitfield__e { background: var(--c-ai); }
.bitfield__eq { margin-top: 16px; font-size: .92rem; text-align: center; color: #fff; }
.bitfield__eq b { color: var(--c-video); font-weight: 600; } .bitfield__eq i { color: var(--c-ai); font-style: normal; }
.bitfield__scale { display: grid; grid-template-columns: 1fr auto 1fr; gap: 10px; align-items: center; margin-top: 18px; font-size: .68rem; color: var(--ink-text-2); }
.bitfield__scale span:nth-child(2) { color: #fff; padding: 3px 8px; border: 1px solid var(--ink-line); border-radius: 999px; }
.bitfield__scale span:last-child { text-align: right; }
@media (max-width: 900px) { .paper { grid-template-columns: 1fr; } }

.pubs { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.pubs__col { padding: 26px; border-radius: 16px; border: 1px solid var(--line); background: #fff; }
.pubs__col h2 { font-size: 1.2rem; display: flex; align-items: center; gap: .7em; margin-bottom: 18px; }
.publist { list-style: none; margin: 0; padding: 0; }
.publist li { margin: 0; padding: 12px 0; border-top: 1px solid var(--line); }
.publist li:first-child { border-top: 0; padding-top: 0; }
.publist b { display: block; font-size: .98rem; }
.publist span { display: block; font-size: .88rem; color: var(--text-3); margin-top: 2px; }
@media (max-width: 860px) { .pubs { grid-template-columns: 1fr; } }

/* ---------- Contact page ---------- */
.contact { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 4fr); gap: clamp(28px, 4vw, 56px); align-items: start; }
.form-card { padding: clamp(24px, 4vw, 40px); border-radius: 20px; border: 1px solid var(--line); background: #fff; box-shadow: var(--shadow); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field--full { grid-column: 1 / -1; }
.field label { font-weight: 700; font-size: .92rem; }
.field label .opt { font-weight: 500; color: var(--text-3); }
.field .hint { font-size: .82rem; color: var(--text-3); }
.field input, .field textarea {
  width: 100%; padding: 12px 14px; border-radius: 10px; border: 1.5px solid var(--line-2); background: #fff;
  font: 500 1rem/1.5 var(--font); color: var(--text); transition: border-color .15s, box-shadow .15s;
}
.field textarea { min-height: 150px; resize: vertical; }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 4px rgba(0, 116, 184, .12); }
.field input[type="file"] { padding: 10px; background: var(--bg-soft); border-style: dashed; font-size: .9rem; color: var(--text-2); cursor: pointer; }
.field input[type="file"]::file-selector-button { margin-right: 12px; padding: 8px 14px; border: 1.5px solid var(--line-2); border-radius: 999px; background: #fff; color: var(--text); font: 650 .86rem var(--font); cursor: pointer; }
.field input[type="file"]::file-selector-button:hover { border-color: var(--text); }
.field [aria-invalid="true"] { border-color: #C62828; }
.field .err { display: none; font-size: .84rem; color: #B71C1C; font-weight: 600; }
.field .err.is-visible { display: block; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-foot { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; margin-top: 24px; padding-top: 22px; border-top: 1px solid var(--line); }
.form-foot p { margin: 0; font-size: .85rem; color: var(--text-3); max-width: 42ch; }
.form-status { display: none; margin-top: 20px; padding: 16px 18px; border-radius: 12px; font-weight: 600; font-size: .95rem; }
.form-status.is-visible { display: block; }
.form-status--ok { background: #EAF5DA; color: #2F5A06; border: 1px solid #C9E3A3; }
.form-status--err { background: #FDECEC; color: #8E1B1B; border: 1px solid #F3C4C4; }
.form-status--info { background: var(--bg-tint); color: var(--text); border: 1px solid #CFE0F0; }
.side { display: grid; gap: 16px; }
.side-card { padding: 24px; border-radius: 16px; border: 1px solid var(--line); background: var(--bg-soft); }
.side-card h2 { font-size: 1.06rem; margin-bottom: 12px; }
.side-card p { font-size: .94rem; color: var(--text-2); margin-bottom: .6em; }
.side-card p:last-child { margin-bottom: 0; }
.side-card a { font-weight: 700; }
.steps { list-style: none; margin: 0; padding: 0; counter-reset: st; }
.steps li { counter-increment: st; position: relative; padding: 0 0 14px 38px; margin: 0; font-size: .93rem; color: var(--text-2); }
.steps li:last-child { padding-bottom: 0; }
.steps li::before { content: counter(st); position: absolute; left: 0; top: 0; width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center; background: var(--ink); color: #fff; font: 700 .76rem var(--mono); }
.steps b { color: var(--text); }
@media (max-width: 960px) { .contact { grid-template-columns: 1fr; } }
@media (max-width: 560px) { .form-grid { grid-template-columns: 1fr; } }

/* ---------- Prose (legal pages) ---------- */
.prose { max-width: 760px; }
.prose h2 { font-size: 1.4rem; margin-top: 2.2em; }
.prose p, .prose li { color: var(--text-2); }
.prose table { width: 100%; border-collapse: collapse; margin: 0 0 1.4em; font-size: .94rem; }
.prose th, .prose td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
.prose th { font: 600 .74rem var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--text-3); }

/* ---------- Footer ---------- */
.site-footer { background: var(--ink); color: var(--ink-text-2); padding: 72px 0 32px; font-size: .94rem; }
.site-footer__grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.1fr; gap: 40px; }
.site-footer__brand img { height: 30px; width: auto; margin-bottom: 18px; }
.site-footer__brand p { max-width: 36ch; }
.site-footer__member { font-size: .86rem; }
.site-footer__member strong { color: var(--ink-text); font-weight: 650; }
.site-footer__title { font: 600 .72rem/1.3 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: #fff; margin-bottom: 16px; }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin: 0 0 10px; }
.site-footer a { color: var(--ink-text); text-decoration: none; }
.site-footer a:hover { color: #fff; text-decoration: underline; }
.site-footer address { line-height: 1.7; margin-bottom: 12px; }
.site-footer__social { display: inline-flex; align-items: center; gap: .5em; font-weight: 650; }
.site-footer__bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; margin-top: 56px; padding-top: 24px; border-top: 1px solid var(--ink-line); font-size: .85rem; }
.site-footer__bottom p { margin: 0; }
@media (max-width: 900px) { .site-footer__grid { grid-template-columns: 1fr 1fr; } .site-footer__brand { grid-column: 1 / -1; } }
@media (max-width: 520px) { .site-footer__grid { grid-template-columns: 1fr; } }

/* ---------- 404 ---------- */
.notfound { padding: clamp(80px, 12vw, 160px) 0; text-align: center; }
.notfound .code { font: 700 clamp(4rem, 12vw, 8rem)/1 var(--mono); letter-spacing: -.04em; background: linear-gradient(90deg, #FF5AAE, #3DB8F5, #A6DB55); -webkit-background-clip: text; background-clip: text; color: transparent; }
.notfound .lead { margin: 0 auto 28px; }

/* ---------- Print ---------- */
@media print {
  .site-header, .site-footer, .cta, .filterbar, .tech-search, .nav-toggle { display: none !important; }
  .on-dark { background: #fff !important; color: #000 !important; }
  .on-dark h1, .on-dark h2, .on-dark .lead { color: #000 !important; }
  body { font-size: 11pt; }
}