/* ==========================================================================
   ARK Digital — design system
   Tokens: desgin.md (GSAP style reference, dark canvas)
   Techniques: layout.md (LED-dot type, --u scaled glass cards, grain,
               staged entrance animations) recoloured to the dark palette.
   ========================================================================== */

:root {
  /* --- Colors ------------------------------------------------------------
     ARK Digital: amber gold on warm charcoal. One brand accent plus two hues
     derived from it (a tint and a shade), so colour still codes discipline
     without a six-way taxonomy.
     --------------------------------------------------------------------- */
  --color-canvas: #0f0f0e;        /* warm charcoal — the single page ground */
  --color-panel: #191814;         /* one surface step lifted */
  --color-text: #f5f2ec;          /* warm white — primary type */
  --color-muted: #85817a;         /* secondary type; AA on both surfaces */
  --color-hairline: #2b2924;      /* dividers, outlines, resting borders */

  --color-brand: #ffb020;         /* Amber Gold — the brand accent */
  --color-brand-light: #ffd88a;   /* gradient endpoint; never a fill alone */
  --gradient-brand: linear-gradient(114.41deg, #ffb020 20.74%, #ffd88a 65.5%);
  --color-brass: #c2a04a;         /* support A — muted, greener gold */
  --color-bronze: #d2703c;        /* support B — shade of the brand */

  /* --- Surfaces ---------------------------------------------------------- */
  --surface-canvas: #0f0f0e;
  --surface-nested-panel: #191814;
  --surface-light: #f5f2ec;

  /* --- Type -------------------------------------------------------------- */
  --font-mori: 'Inter Tight', ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-weight-regular: 400;
  --font-weight-semibold: 600;

  /* Scale — desgin.md values are the ceiling; clamp keeps them legible small. */
  --text-caption: 14px;      --leading-caption: 1.4;      --tracking-caption: -0.14px;
  --text-body-sm: 16px;      --leading-body-sm: 1.15;
  --text-body: 19px;         --leading-body: 1.15;
  --text-body-lg: clamp(18px, 1.5vw, 23px);   --leading-body-lg: 1.38;  --tracking-body-lg: -0.23px;
  --text-subheading: clamp(26px, 3vw, 34px);  --leading-subheading: 1.2; --tracking-subheading: -0.34px;
  --text-heading-sm: clamp(32px, 4vw, 44px);  --leading-heading-sm: 1.2; --tracking-heading-sm: -0.44px;
  --text-heading: clamp(40px, 6vw, 66px);     --leading-heading: 1.2;    --tracking-heading: -0.66px;
  --text-heading-lg: clamp(52px, 8.4vw, 101px); --leading-heading-lg: 1;  --tracking-heading-lg: -0.011em;
  --text-display: clamp(56px, 14.2vw, 224px); --leading-display: 0.9;    --tracking-display: -0.02em;

  /* --- Spacing / shape --------------------------------------------------- */
  --spacing-unit: 4px;
  --spacing-8: 8px;   --spacing-12: 12px; --spacing-16: 16px; --spacing-20: 20px;
  --spacing-24: 24px; --spacing-32: 32px; --spacing-76: 76px; --spacing-96: 96px;
  --spacing-108: 108px;

  --radius-cards: 8px;
  --radius-pills: 9999px;
  --radius-buttons: 100px;
  --radius-smalltags: 8px;

  --page-max-width: 1280px;
  --section-gap: clamp(64px, 8vw, 108px);
  --card-padding: 24px;
  --element-gap: 16px;
  --gutter: clamp(20px, 4.2vw, 54px);

  color-scheme: dark;
}

/* ==========================================================================
   Reset / base
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  overflow-x: clip;               /* decorative blobs bleed past the viewport edge */
}

body {
  margin: 0;
  background: var(--surface-canvas);
  color: var(--color-text);
  font-family: var(--font-mori);
  font-size: var(--text-body);
  line-height: var(--leading-body);
  font-weight: var(--font-weight-regular);
  font-optical-sizing: auto;
  -webkit-font-smoothing: antialiased;
  text-rendering: geometricPrecision;
  overflow-x: hidden;
}

img, svg, video { display: block; max-width: 100%; }
button, a, input, select, textarea { font: inherit; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4, p, ul, ol, figure, blockquote { margin: 0; }
ul, ol { padding: 0; list-style: none; }

::selection { background: var(--color-brand); color: var(--color-canvas); }

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: .88em;
  padding: 2px 6px;
  border-radius: 4px;
  background: var(--color-panel);
  color: var(--color-brand-light);
}

:focus-visible {
  outline: 2px solid var(--color-brand);
  outline-offset: 3px;
  border-radius: 2px;
}

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 100;
  padding: 12px 20px; background: var(--color-text); color: var(--color-canvas);
  border-radius: 0 0 var(--radius-cards) 0;
}
.skip-link:focus { left: 0; }

.visually-hidden {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap;
}

/* ==========================================================================
   Layout primitives
   ========================================================================== */
.wrap {
  width: min(100%, var(--page-max-width));
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { padding-block: var(--section-gap); }
.section--tight { padding-block: clamp(40px, 5vw, 76px); }
.section--panel { background: var(--surface-nested-panel); }

/* Full-width hairline divider — desgin.md: 1px #42433d, no padding around it. */
.rule { border: 0; border-top: 1px solid var(--color-hairline); margin: 0; }

.stack { display: grid; gap: var(--element-gap); }
.stack--lg { gap: var(--spacing-32); }

/* Curly-bracket annotation — the recurring section signature. */
.eyebrow {
  display: block;
  font-size: var(--text-body-sm);
  line-height: var(--leading-body-sm);
  font-weight: var(--font-weight-regular);
  color: var(--color-text);
  margin-bottom: var(--spacing-24);
}
.eyebrow::before { content: "{ "; }
.eyebrow::after  { content: " }"; }

.section-head { max-width: 22ch; }
.section-head--wide { max-width: 34ch; }

.lede {
  font-size: var(--text-body-lg);
  line-height: var(--leading-body-lg);
  letter-spacing: var(--tracking-body-lg);
  color: var(--color-text);
  max-width: 62ch;
}
.muted { color: var(--color-muted); }

.h-display {
  font-size: var(--text-display);
  line-height: var(--leading-display);
  letter-spacing: var(--tracking-display);
  font-weight: var(--font-weight-semibold);
}
.h-lg {
  font-size: var(--text-heading-lg);
  line-height: var(--leading-heading-lg);
  letter-spacing: var(--tracking-heading-lg);
  font-weight: var(--font-weight-semibold);
}
.h-1 {
  font-size: var(--text-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  font-weight: var(--font-weight-semibold);
}
.h-2 {
  font-size: var(--text-heading-sm);
  line-height: var(--leading-heading-sm);
  letter-spacing: var(--tracking-heading-sm);
  font-weight: var(--font-weight-semibold);
}
.h-3 {
  font-size: var(--text-subheading);
  line-height: var(--leading-subheading);
  letter-spacing: var(--tracking-subheading);
  font-weight: var(--font-weight-semibold);
}

/* ==========================================================================
   Buttons — outlined-only system (desgin.md)
   ========================================================================== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 15px 24px;
  border-radius: var(--radius-buttons);
  border: 1px solid var(--color-text);
  background: transparent;
  color: var(--color-text);
  font-size: 18px; line-height: 1.05; font-weight: var(--font-weight-semibold);
  cursor: pointer;
  transition: border-color .18s ease, color .18s ease, opacity .18s ease, transform .18s ease;
}
.btn:hover { opacity: .8; }
.btn:active { transform: translateY(1px); }

.btn--sm { padding: 11px 18px; font-size: 16px; }

/* The single chromatic control in the system: gradient-stroked ghost pill. */
.btn--cta {
  position: relative;
  border-color: transparent;
  background:
    linear-gradient(var(--surface-canvas), var(--surface-canvas)) padding-box,
    var(--gradient-brand) border-box;
  border: 1.5px solid transparent;
}
.btn--cta:hover { opacity: 1; filter: brightness(1.12); }
.section--panel .btn--cta,
.footer .btn--cta {
  background:
    linear-gradient(var(--surface-nested-panel), var(--surface-nested-panel)) padding-box,
    var(--gradient-brand) border-box;
}

.btn-row { display: flex; flex-wrap: wrap; gap: var(--spacing-16); }

/* Text link with the brand green — never promoted to a filled CTA. */
.link-accent {
  color: var(--color-brand);
  display: inline-flex; align-items: center; gap: 8px;
  font-size: var(--text-body-sm);
  transition: gap .18s ease;
}
.link-accent:hover { gap: 14px; }

.icon-btn {
  display: none;
  width: 44px; height: 44px; padding: 0;
  border: 0; border-radius: 50%;
  background: transparent; color: var(--color-text);
  cursor: pointer;
}

/* ==========================================================================
   Announcement banner + navigation
   ========================================================================== */
.banner {
  padding: 12px var(--gutter);
  text-align: center;
  font-size: var(--text-caption);
  line-height: var(--leading-caption);
  letter-spacing: var(--tracking-caption);
  color: var(--color-muted);
  background: transparent;
}
.banner a { color: var(--color-brand); }

.nav {
  position: sticky; top: 0; z-index: 50;
  border-bottom: 1px solid var(--color-hairline);
  background: color-mix(in srgb, var(--surface-canvas) 88%, transparent);
  backdrop-filter: blur(14px) saturate(1.1);
}
.nav__inner {
  display: flex; align-items: center; gap: var(--spacing-16);
  min-height: 68px;
}
.wordmark {
  font-size: 21px; font-weight: var(--font-weight-semibold);
  letter-spacing: -0.011em; margin-right: auto;
  white-space: nowrap;
}
.wordmark span { color: var(--color-brand); }

.nav__links { display: flex; align-items: center; gap: 6px; }
.nav__links a {
  padding: 10px 12px;
  font-size: var(--text-body-sm); line-height: var(--leading-body-sm);
  color: var(--color-muted);
  transition: color .18s ease;
}
.nav__links a:hover { color: var(--color-text); }
.nav__links a[aria-current="page"] { color: var(--color-text); }
.nav__cta { margin-left: var(--spacing-16); }

@media (max-width: 900px) {
  .icon-btn { display: inline-flex; align-items: center; justify-content: center; }
  /* Closed by default in CSS so there is no open-menu flash before ark.js runs. */
  .nav__links { display: none; }
  .nav__links.is-open {
    display: flex;
    position: absolute; inset: 100% 0 auto 0;
    flex-direction: column; align-items: stretch;
    gap: 0; padding: var(--spacing-16) var(--gutter) var(--spacing-32);
    background: var(--surface-canvas);
    border-bottom: 1px solid var(--color-hairline);
  }
  .nav__links a { padding: 14px 0; font-size: var(--text-body); }
  .nav__cta { margin: var(--spacing-16) 0 0; align-self: flex-start; }
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero { padding-block: clamp(56px, 9vh, 108px) clamp(48px, 6vw, 96px); position: relative; }
.hero__headline { max-width: 100%; }
.hero__line { display: block; }
.hero__intro { margin-top: clamp(24px, 3vw, 40px); max-width: 56ch; }
.hero__actions { margin-top: clamp(28px, 3.4vw, 44px); }

/* Decorative organic gradient shapes — depth from gradients, never box-shadow. */
.blob {
  position: absolute; border-radius: 50%;
  filter: blur(60px); opacity: .34; pointer-events: none; z-index: -1;
}
.blob--a { width: 46vw; max-width: 620px; aspect-ratio: 1.4/1; right: -8vw; top: -6vh;
  background: radial-gradient(ellipse at 30% 30%, var(--color-bronze), transparent 68%),
              radial-gradient(ellipse at 70% 70%, var(--color-brand), transparent 70%);
  opacity: .13; }
.blob--b { width: 38vw; max-width: 520px; aspect-ratio: 1/1; left: -12vw; bottom: -14vh;
  background: radial-gradient(ellipse at 50% 50%, var(--color-brass), transparent 70%);
  opacity: .07; }

/* Capability ticker under the hero */
.ticker {
  border-block: 1px solid var(--color-hairline);
  overflow: hidden; padding-block: 18px;
}
.ticker__track {
  display: flex; gap: 0; width: max-content;
  animation: ticker-slide 38s linear infinite;
}
.ticker__group { display: flex; gap: 0; padding-right: 0; }
.ticker__item {
  display: inline-flex; align-items: center; gap: 24px;
  padding-inline: 24px;
  font-size: var(--text-body); line-height: 1.15; white-space: nowrap;
}
.ticker__item::after { content: "·"; color: var(--color-hairline); }
@keyframes ticker-slide { to { transform: translateX(-50%); } }
.ticker:hover .ticker__track { animation-play-state: paused; }

/* ==========================================================================
   Glass capability cards — adapted from layout.md's --u scaled units.
   Cards never re-layout internally; only how many share a row changes.
   ========================================================================== */
.cards {
  --card-count: 3;
  --gap: clamp(12px, 1.5vw, 23px);
  --card-ref-w: 429;
  --card-ref-h: 554;
  display: flex; justify-content: center; align-items: stretch;
  gap: var(--gap);
  container-type: inline-size;
}
.cards > .card {
  --card-w: min(
    (100cqw - (var(--card-count) - 1) * var(--gap)) / var(--card-count),
    var(--card-ref-w) * 1px
  );
  width: var(--card-w);
}

.card {
  container-type: inline-size;
  position: relative;
  flex: 0 0 auto;
  overflow: hidden;
  aspect-ratio: 429 / 554;
  border: 1px solid var(--color-hairline);
  border-radius: calc(var(--card-w) * 17 / 429);
  background-origin: border-box;
  color: var(--color-text);
  /* 1 unit = 1px at 429px card width; descendants use --u, never 100cqw. */
  --u: calc(100cqw / 429);
}

.card__sheen {
  position: absolute; inset: 0; z-index: 1;
  mix-blend-mode: screen; pointer-events: none;
  background:
    linear-gradient(102deg, rgba(245,242,236,.10), transparent 28%, rgba(245,242,236,.06) 62%, transparent 88%),
    radial-gradient(ellipse 85% 34% at 54% 7%, rgba(245,242,236,.18), transparent 72%);
}
.card__grain {
  position: absolute; z-index: 2; inset: -8%;
  width: 116%; height: 116%; opacity: .40;
  mix-blend-mode: soft-light; pointer-events: none;
}

/* Soft 3D organic form, lit from within by gradient — never a drop shadow. */
.card__orb {
  position: absolute; z-index: 0; pointer-events: none;
  left: 50%; top: 72%;
  width: calc(268 * var(--u)); aspect-ratio: 1;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  filter: blur(calc(14 * var(--u)));
  opacity: .30;
}
.card--software .card__orb { background: radial-gradient(circle at 34% 30%, #ffd88a, #ffb020 44%, transparent 72%); }
.card--ai       .card__orb { background: radial-gradient(circle at 34% 30%, #e0c977, #c2a04a 44%, transparent 72%); }
.card--commerce .card__orb { background: radial-gradient(circle at 34% 30%, #eb9058, #d2703c 44%, transparent 72%); }

.card__body {
  position: absolute; inset: 0; z-index: 4;
  display: flex; flex-direction: column;
  padding: calc(30 * var(--u));
}
.card__label {
  font-size: calc(19 * var(--u)); line-height: 1;
  font-weight: var(--font-weight-regular);
}
.card__title {
  margin-top: calc(18 * var(--u));
  font-size: calc(34 * var(--u)); line-height: 1.14;
  letter-spacing: -0.011em; font-weight: var(--font-weight-semibold);
  color: var(--color-text);
}
.card__copy {
  margin-top: calc(16 * var(--u));
  font-size: calc(19 * var(--u)); line-height: 1.42;
  color: rgba(245,242,236,.72);
}
.card__foot { margin-top: auto; }
.card__foot .link-accent { font-size: calc(17 * var(--u)); }

/* Per-discipline card grounds. Colour is taxonomy, not decoration. */
.card--software {                                   /* Engineering — brand */
  background:
    radial-gradient(ellipse 68% 45% at -4% -3%, rgba(255,176,32,.20) 0%, transparent 77%),
    radial-gradient(ellipse 64% 49% at 108% 106%, rgba(255,216,138,.14) 0%, transparent 78%),
    radial-gradient(ellipse 105% 32% at 50% 80%, rgba(255,176,32,.07) 0%, transparent 78%),
    linear-gradient(180deg, #2a2113 0%, #1e1810 48%, var(--color-panel) 100%);
  background-origin: border-box;
}
.card--ai {                                    /* AI & Automation — support A */
  background:
    radial-gradient(ellipse 70% 45% at 104% -4%, rgba(194,160,74,.30) 0%, transparent 78%),
    radial-gradient(ellipse 64% 49% at -8% 106%, rgba(194,160,74,.16) 0%, transparent 78%),
    radial-gradient(ellipse 93% 47% at 106% 58%, rgba(194,160,74,.10) 0%, transparent 76%),
    linear-gradient(180deg, #282415 0%, #1d1a12 48%, var(--color-panel) 100%);
  background-origin: border-box;
}
.card--commerce {                                 /* E-commerce — support B */
  background:
    radial-gradient(ellipse 68% 45% at -4% -3%, rgba(210,112,60,.30) 0%, transparent 77%),
    radial-gradient(ellipse 60% 32% at 97% 101%, rgba(210,112,60,.16) 0%, transparent 76%),
    radial-gradient(ellipse 80% 36% at 62% 57%, rgba(232,160,106,.08) 0%, transparent 72%),
    linear-gradient(180deg, #301c11 0%, #22150f 48%, var(--color-panel) 100%);
  background-origin: border-box;
}

@media (max-width: 900px) {
  .cards { flex-wrap: wrap; }
  .cards > .card { --card-count: 1; width: min(100cqw, 429px); }
}

/* ==========================================================================
   Tool feature blocks — two-column discipline rows (desgin.md)
   ========================================================================== */
.feature {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1fr);
  gap: clamp(32px, 5vw, 76px);
  align-items: center;
  padding-block: clamp(40px, 5vw, 76px);
  border-top: 1px solid var(--color-hairline);
}
.feature:first-of-type { border-top: 0; }
.feature__art {
  aspect-ratio: 1 / 1;
  width: 100%; max-width: 400px;
  margin-inline: auto;
  /* Organic, not a circle — a liquid blob that drifts on hover. */
  border-radius: 46% 54% 52% 48% / 52% 46% 54% 48%;
  filter: blur(9px);
  opacity: .85;
  animation: blob-drift 18s ease-in-out infinite alternate;
}
@keyframes blob-drift {
  from { border-radius: 46% 54% 52% 48% / 52% 46% 54% 48%; transform: rotate(-3deg) scale(1); }
  to   { border-radius: 54% 46% 48% 52% / 46% 54% 48% 52%; transform: rotate(3deg) scale(1.04); }
}
.feature__label {
  font-size: var(--text-body); line-height: 1;
  font-weight: var(--font-weight-regular);
  margin-bottom: var(--spacing-16);
}
.feature__title { margin-bottom: var(--spacing-20); }
.feature__copy { margin-bottom: var(--spacing-24); }
.feature__list {
  display: flex; flex-wrap: wrap; gap: 8px;
  margin-bottom: var(--spacing-24);
}
.feature__list li {
  padding: 7px 14px;
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-smalltags);
  font-size: var(--text-caption);
  line-height: var(--leading-caption);
  color: var(--color-muted);
}
@media (max-width: 820px) {
  .feature { grid-template-columns: minmax(0, 1fr); }
  .feature__art { max-width: 260px; }
}

/* Soft 3D organic grounds, lit from within by gradient — no drop shadows.
   The transparent outer stop lets each form dissolve into the dark canvas. */
.art--brand {
  background:
    radial-gradient(circle at 30% 24%, rgba(255,235,196,.92), transparent 42%),
    radial-gradient(circle at 50% 50%, rgba(255,216,138,.72) 0%, rgba(255,176,32,.52) 40%, rgba(255,176,32,0) 72%);
}
.art--brass {
  background:
    radial-gradient(circle at 30% 24%, rgba(238,222,168,.88), transparent 42%),
    radial-gradient(circle at 50% 50%, rgba(230,213,150,.72) 0%, rgba(194,160,74,.56) 40%, rgba(194,160,74,0) 72%);
}
.art--bronze {
  background:
    radial-gradient(circle at 30% 24%, rgba(245,205,170,.90), transparent 42%),
    radial-gradient(circle at 50% 50%, rgba(235,144,88,.72) 0%, rgba(210,112,60,.56) 40%, rgba(210,112,60,0) 72%);
}

/* ==========================================================================
   Generic grids / hairline cards
   ========================================================================== */
.grid { display: grid; gap: var(--spacing-24); }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
@media (max-width: 900px) { .grid--3, .grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 620px) { .grid--2, .grid--3, .grid--4 { grid-template-columns: minmax(0, 1fr); } }

.tile {
  padding: var(--card-padding);
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-cards);
  background: transparent;
  display: flex; flex-direction: column; gap: var(--spacing-12);
  transition: border-color .2s ease, background-color .2s ease;
}
a.tile:hover { border-color: var(--color-muted); background: rgba(245,242,236,.02); }
.tile__label { font-size: var(--text-body-sm); line-height: 1; }
.tile__title { font-size: var(--text-subheading); line-height: 1.2; letter-spacing: var(--tracking-subheading); font-weight: var(--font-weight-semibold); }
.tile__copy { font-size: var(--text-body-sm); line-height: 1.5; color: var(--color-muted); }
.tile__list { display: grid; gap: 8px; margin-top: 4px; }
.tile__list li { font-size: var(--text-body-sm); line-height: 1.5; color: var(--color-muted); }
.tile__list li::before { content: "— "; color: var(--color-hairline); }
.tile__foot { margin-top: auto; padding-top: var(--spacing-12); }

/* ==========================================================================
   Process — LED-dot step numerals
   ========================================================================== */
.process { display: grid; gap: 0; }
.step {
  display: grid;
  grid-template-columns: clamp(96px, 12vw, 160px) minmax(0, 1fr);
  gap: clamp(20px, 4vw, 56px);
  align-items: start;
  padding-block: clamp(28px, 3.4vw, 44px);
  border-top: 1px solid var(--color-hairline);
}
.step:last-child { border-bottom: 1px solid var(--color-hairline); }
.step__num { color: var(--color-muted); }
.step__num .dot-svg { width: min(100%, 118px); height: auto; }
.step__title { margin-bottom: 10px; }
.step__copy { color: var(--color-muted); font-size: var(--text-body-lg); line-height: 1.38; max-width: 52ch; }
@media (max-width: 620px) {
  .step { grid-template-columns: minmax(0, 1fr); }
  .step__num { width: 72px; }
}

/* ==========================================================================
   Work / case-study cards
   ========================================================================== */
.case {
  display: grid; gap: var(--spacing-20);
  padding: var(--card-padding);
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-cards);
  transition: border-color .2s ease;
}
a.case:hover { border-color: var(--color-muted); }
.case__media {
  border-radius: var(--radius-cards);
  animation: none;
  position: relative; overflow: hidden;
  border-radius: var(--radius-cards);
  aspect-ratio: 16 / 9;
}
/* Placeholder art sits back into the canvas until real project imagery lands. */
.case__media::after {
  content: ""; position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(15,15,14,.42) 0%, rgba(15,15,14,.86) 100%),
    radial-gradient(ellipse 80% 50% at 50% 0%, rgba(245,242,236,.06), transparent 70%);
}
.case__meta {
  display: flex; flex-wrap: wrap; gap: 10px; align-items: center;
  font-size: var(--text-caption); line-height: var(--leading-caption);
  color: var(--color-muted);
}
.case__meta .dot-sep { color: var(--color-hairline); }
.case__title { font-size: var(--text-heading-sm); line-height: 1.1; letter-spacing: var(--tracking-heading-sm); font-weight: var(--font-weight-semibold); }
.case__copy { color: var(--color-muted); font-size: var(--text-body-sm); line-height: 1.55; }
.case--empty { border-style: dashed; }
.case--empty .case__title { color: var(--color-muted); }

/* Filter row */
.filters { display: flex; flex-wrap: wrap; gap: 8px; }
.filter {
  padding: 11px 20px;
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-buttons);
  background: transparent; color: var(--color-muted);
  font-size: var(--text-body-sm); line-height: 1.05;
  cursor: pointer;
  transition: color .18s ease, border-color .18s ease;
}
.filter:hover { color: var(--color-text); border-color: var(--color-muted); }
.filter[aria-pressed="true"] { color: var(--color-text); border-color: var(--color-text); }

/* ==========================================================================
   Case-study detail
   ========================================================================== */
.cs-section {
  display: grid;
  grid-template-columns: minmax(0, 260px) minmax(0, 1fr);
  gap: clamp(20px, 4vw, 56px);
  padding-block: clamp(32px, 4vw, 56px);
  border-top: 1px solid var(--color-hairline);
}
.cs-section h2 { font-size: var(--text-subheading); line-height: 1.2; letter-spacing: var(--tracking-subheading); font-weight: var(--font-weight-semibold); }
.cs-body { display: grid; gap: var(--spacing-16); max-width: 62ch; }
.cs-body p { font-size: var(--text-body-lg); line-height: var(--leading-body-lg); letter-spacing: var(--tracking-body-lg); }
.cs-body ul { display: grid; gap: 10px; }
.cs-body ul li { font-size: var(--text-body-lg); line-height: 1.38; color: var(--color-muted); }
.cs-body ul li::before { content: "— "; color: var(--color-hairline); }
@media (max-width: 760px) { .cs-section { grid-template-columns: minmax(0, 1fr); } }

.shot {
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-cards);
  aspect-ratio: 4 / 3;
  display: grid; place-items: center;
  color: var(--color-hairline);
  font-size: var(--text-caption);
  background: var(--surface-nested-panel);
}

/* ==========================================================================
   Contact form
   ========================================================================== */
.form { display: grid; gap: var(--spacing-20); }
.field { display: grid; gap: 8px; }
.field > label {
  font-size: var(--text-caption); line-height: var(--leading-caption);
  letter-spacing: var(--tracking-caption); color: var(--color-muted);
}
.field input, .field select, .field textarea {
  width: 100%;
  padding: 14px 16px;
  color: var(--color-text);
  background: transparent;
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-smalltags);
  font-size: var(--text-body-sm); line-height: 1.35;
  transition: border-color .18s ease;
}
.field textarea { min-height: 160px; resize: vertical; }
.field input:hover, .field select:hover, .field textarea:hover { border-color: var(--color-muted); }
.field input::placeholder, .field textarea::placeholder { color: var(--color-hairline); }
.field select { appearance: none; cursor: pointer;
  background-image: linear-gradient(45deg, transparent 50%, var(--color-muted) 50%),
                    linear-gradient(135deg, var(--color-muted) 50%, transparent 50%);
  background-position: calc(100% - 20px) 22px, calc(100% - 14px) 22px;
  background-size: 6px 6px, 6px 6px; background-repeat: no-repeat; }
.field select option { background: var(--surface-nested-panel); color: var(--color-text); }
.form__row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--spacing-20); }
@media (max-width: 620px) { .form__row { grid-template-columns: minmax(0, 1fr); } }
.form__status { font-size: var(--text-body-sm); color: var(--color-brand); }
.form__status[hidden] { display: none; }

.split {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
  gap: clamp(32px, 6vw, 76px);
}
@media (max-width: 820px) { .split { grid-template-columns: minmax(0, 1fr); } }

.contact-aside { display: grid; gap: var(--spacing-24); align-content: start; }
.contact-aside dt { font-size: var(--text-caption); color: var(--color-muted); margin-bottom: 6px; }
.contact-aside dd { margin: 0; font-size: var(--text-body); }

/* ==========================================================================
   Roles list (careers)
   ========================================================================== */
.role {
  display: flex; flex-wrap: wrap; align-items: baseline; gap: var(--spacing-16);
  padding-block: clamp(20px, 2.6vw, 32px);
  border-top: 1px solid var(--color-hairline);
}
.role:last-of-type { border-bottom: 1px solid var(--color-hairline); }
.role__title { font-size: var(--text-heading-sm); line-height: 1.1; letter-spacing: var(--tracking-heading-sm); font-weight: var(--font-weight-semibold); margin-right: auto; }
.role__copy { color: var(--color-muted); font-size: var(--text-body-sm); max-width: 46ch; }

/* ==========================================================================
   Final CTA + footer
   ========================================================================== */
.final-cta { text-align: left; padding-block: clamp(72px, 9vw, 130px); }

.footer {
  background: var(--surface-nested-panel);
  border-top: 1px solid var(--color-hairline);
  padding-block: clamp(48px, 6vw, 80px);
}
.footer__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) repeat(3, minmax(0, 1fr));
  gap: var(--spacing-32);
}
@media (max-width: 900px) { .footer__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 520px) { .footer__grid { grid-template-columns: minmax(0, 1fr); } }
.footer h3 {
  font-size: var(--text-caption); line-height: var(--leading-caption);
  letter-spacing: var(--tracking-caption); color: var(--color-muted);
  font-weight: var(--font-weight-regular); margin-bottom: var(--spacing-16);
}
.footer__links { display: grid; gap: 10px; }
.footer__links a { font-size: var(--text-body-sm); color: var(--color-muted); transition: color .18s ease; }
.footer__links a:hover { color: var(--color-text); }
.footer__bottom {
  display: flex; flex-wrap: wrap; gap: var(--spacing-16); justify-content: space-between;
  margin-top: clamp(40px, 5vw, 76px); padding-top: var(--spacing-24);
  border-top: 1px solid var(--color-hairline);
  font-size: var(--text-caption); color: var(--color-muted);
}

/* ==========================================================================
   LED dot type
   ========================================================================== */
.dot-word { display: inline-block; vertical-align: baseline; line-height: 0; }
.dot-svg { display: block; overflow: visible; color: inherit; }
/* Height is set in em so the dots track the headline; width follows the viewBox. */
.dot-word .dot-svg { height: .58em; width: auto; }

/* ==========================================================================
   Entrance animations (one-shot; class removed by ark.js)
   ========================================================================== */
html.entrance-active .reveal { opacity: 0; }
html.entrance-active .reveal {
  animation: support-reveal .72s cubic-bezier(.22,1,.36,1) var(--d, 0s) both;
  will-change: opacity, translate;
}
html.entrance-active .reveal--line {
  animation: headline-reveal .84s cubic-bezier(.16,1,.3,1) var(--d, 0s) both;
  will-change: opacity, translate, clip-path;
}
html.entrance-active .reveal--card {
  animation: card-establish .76s cubic-bezier(.16,1,.3,1) var(--d, 0s) both;
  will-change: opacity, translate, scale;
}

@keyframes headline-reveal {
  from { opacity: 0; translate: 0 .52em; clip-path: inset(0 0 56% 0); }
  to   { opacity: 1; translate: none; clip-path: inset(-8% -2% -8% -2%); }
}
@keyframes support-reveal {
  from { opacity: 0; translate: 0 8px; }
  to   { opacity: 1; translate: none; }
}
@keyframes card-establish {
  from { opacity: .52; translate: 0 10px; scale: .985; }
  to   { opacity: 1; translate: none; scale: none; }
}

/* Scroll-triggered reveal for below-the-fold blocks */
.on-scroll { opacity: 0; translate: 0 14px; transition: opacity .7s cubic-bezier(.22,1,.36,1), translate .7s cubic-bezier(.22,1,.36,1); }
.on-scroll.is-in { opacity: 1; translate: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  .on-scroll { opacity: 1; translate: none; }
  .ticker__track { animation: none; }
  .feature__art { animation: none; }
}