/* ============================================================================
   SNEKS DON - design system
   Swiss-industrial editorial. One locked accent (cobalt) against graded
   documentary photography. Radius rule: interactive controls are full pill,
   every surface and media frame is square. Nothing else rounds.
   ========================================================================== */

/* --- tokens --------------------------------------------------------------- */

:root {
  --paper:      #efeee9;
  --paper-2:    #e5e4dc;
  --paper-3:    #d8d7ce;
  --ink:        #12151a;
  --ink-2:      #4b515a;
  --ink-3:      #5f656d;
  --accent:     #1b34c4;
  --accent-ink: #ffffff;
  --accent-soft:#d9def7;
  --danger:     #a41e17;

  /* read by the WebGL field at the foot of the page */
  --field-ink:    #2c323a;
  --field-accent: #1b34c4;
  --field-alpha:  0.52;
  --line:       rgb(18 21 26 / .16);
  --line-soft:  rgb(18 21 26 / .09);

  --grain-src: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.86' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.42'/%3E%3C/svg%3E");

  --font-display: "Unbounded", "Trebuchet MS", system-ui, sans-serif;
  --font-body:    "Onest", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-mono:    "Martian Mono", ui-monospace, "Cascadia Mono", Consolas, monospace;

  --gutter: clamp(20px, 4.2vw, 68px);
  --maxw: 1580px;
  --rule: 1px;

  --ease: cubic-bezier(.22, 1, .36, 1);
  --ease-in-out: cubic-bezier(.65, 0, .35, 1);
  --dur: .55s;

  --z-grain: 70;
  --z-nav: 60;
  --z-menu: 55;

  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper:      #0e1014;
    --paper-2:    #15181f;
    --paper-3:    #1d212a;
    --ink:        #ecebe5;
    --ink-2:      #a7adb6;
    --ink-3:      #868c93;
    --accent:     #7389f7;
    --accent-ink: #0b0d11;
    --accent-soft:#1b2247;
    --danger:     #f2a09a;
    --field-ink:    #9fb0c4;
    --field-accent: #7389f7;
    --field-alpha:  0.62;
    --line:       rgb(236 235 229 / .18);
    --line-soft:  rgb(236 235 229 / .10);
    color-scheme: dark;
  }
}

:root[data-theme="dark"] {
  --paper:      #0e1014;
  --paper-2:    #15181f;
  --paper-3:    #1d212a;
  --ink:        #ecebe5;
  --ink-2:      #a7adb6;
  --ink-3:      #868c93;
  --accent:     #7389f7;
  --accent-ink: #0b0d11;
  --accent-soft:#1b2247;
  --danger:     #f2a09a;
  --field-ink:    #9fb0c4;
  --field-accent: #7389f7;
  --field-alpha:  0.62;
  --line:       rgb(236 235 229 / .18);
  --line-soft:  rgb(236 235 229 / .10);
  color-scheme: dark;
}

/* --- reset ---------------------------------------------------------------- */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: clamp(1rem, .96rem + .22vw, 1.1rem);
  line-height: 1.62;
  font-weight: 400;
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

::selection { background: var(--accent); color: var(--accent-ink); }

.skip {
  position: absolute; left: 12px; top: -100px;
  z-index: 200; padding: .7rem 1.2rem; border-radius: 999px;
  background: var(--accent); color: var(--accent-ink);
  font-size: .82rem; font-weight: 600;
  transition: top .2s var(--ease);
}
.skip:focus { top: 12px; }

.vh {
  position: absolute !important; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip-path: inset(50%); white-space: nowrap; border: 0;
}

/* --- type ----------------------------------------------------------------- */

.display {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: .96;
  letter-spacing: -.035em;
  text-wrap: balance;
}

.d-xl { font-size: clamp(2.5rem, 7.4vw, 7.2rem); }
.d-l  { font-size: clamp(2.05rem, 5.1vw, 4.6rem); }
.d-m  { font-size: clamp(1.6rem, 3.1vw, 2.75rem); letter-spacing: -.028em; }
.d-s  { font-size: clamp(1.18rem, 1.7vw, 1.55rem); letter-spacing: -.02em; line-height: 1.12; }

.lead {
  font-size: clamp(1.08rem, 1.02rem + .5vw, 1.45rem);
  line-height: 1.5;
  color: var(--ink-2);
  max-width: 34ch;
}

.body-w { max-width: 62ch; color: var(--ink-2); }

.eyebrow {
  font-family: var(--font-mono);
  font-size: .68rem;
  font-weight: 500;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--accent);
}

.mono {
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .04em;
  color: var(--ink-3);
}

.accent { color: var(--accent); }

/* --- layout --------------------------------------------------------------- */

.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { padding-block: clamp(5rem, 11vw, 11.5rem); }
.section--tight { padding-block: clamp(3.5rem, 7vw, 7rem); }
.section--flush { padding-block: 0; }

.rule-top { border-top: var(--rule) solid var(--line-soft); }

/* --- field ---------------------------------------------------------------- */

/* A band pinned to the foot of the document. The page opens on a field, so it
   closes on one. Purely decorative: it sits under the content, takes no
   pointer events and is masked out before it reaches the copy above. */
.fieldbg {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: clamp(420px, 74vh, 900px); /* replaced at runtime */
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(to bottom, transparent 0%, rgb(0 0 0 / .45) 26%, #000 58%, #000 100%);
  mask-image: linear-gradient(to bottom, transparent 0%, rgb(0 0 0 / .45) 26%, #000 58%, #000 100%);
}
.fieldbg canvas { display: block; width: 100%; height: 100%; }

body { position: relative; }
main, .footer { position: relative; z-index: 1; }

/* --- grain ---------------------------------------------------------------- */

.grain {
  position: fixed;
  inset: 0;
  z-index: var(--z-grain);
  pointer-events: none;
  opacity: .24;
  mix-blend-mode: multiply;
  background-image: var(--grain-src);
  background-size: 180px 180px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .grain { mix-blend-mode: screen; opacity: .15; }
}
:root[data-theme="dark"] .grain { mix-blend-mode: screen; opacity: .15; }

/* --- navigation ----------------------------------------------------------- */

.nav {
  position: fixed;
  inset: 0 0 auto;
  z-index: var(--z-nav);
  height: 72px;
  display: flex;
  align-items: center;
  background: color-mix(in srgb, var(--paper) 78%, transparent);
  backdrop-filter: blur(16px) saturate(150%);
  -webkit-backdrop-filter: blur(16px) saturate(150%);
  border-bottom: var(--rule) solid transparent;
  transition: transform .45s var(--ease), border-color .3s linear,
              background-color .3s linear;
}
.nav[data-stuck="true"] { border-bottom-color: var(--line-soft); }
.nav[data-hidden="true"] { transform: translate3d(0, -100%, 0); }

@media (prefers-reduced-transparency: reduce) {
  .nav { background: var(--paper); backdrop-filter: none; -webkit-backdrop-filter: none; }
}

.nav__in {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
  display: flex;
  align-items: center;
  gap: clamp(1rem, 3vw, 2.75rem);
}

.brand {
  display: inline-flex;
  align-items: baseline;
  gap: .5rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.02rem;
  letter-spacing: -.02em;
  white-space: nowrap;
}
.brand__mark {
  width: 22px; height: 22px;
  align-self: center;
  flex: 0 0 auto;
}
.brand__mark path, .brand__mark rect { fill: var(--accent); }

.nav__links {
  display: flex;
  align-items: center;
  gap: clamp(.9rem, 1.9vw, 2rem);
  margin-inline-start: auto;
}

.nav__link {
  position: relative;
  font-size: .86rem;
  font-weight: 500;
  color: var(--ink-2);
  padding-block: .35rem;
  white-space: nowrap;
  transition: color .25s var(--ease);
}
.nav__link::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform .4s var(--ease);
}
.nav__link:hover { color: var(--ink); }
.nav__link:hover::after { transform: scaleX(1); transform-origin: left; }

.nav__tools { display: flex; align-items: center; gap: .55rem; }

/* language toggle */
.lang {
  display: inline-flex;
  border: var(--rule) solid var(--line);
  border-radius: 999px;
  padding: 2px;
  background: color-mix(in srgb, var(--paper-2) 60%, transparent);
}
.lang__btn {
  border: 0; background: none; cursor: pointer;
  font-family: var(--font-mono);
  font-size: .66rem; font-weight: 500; letter-spacing: .08em;
  padding: .34rem .62rem;
  border-radius: 999px;
  color: var(--ink-3);
  transition: color .25s var(--ease), background-color .25s var(--ease);
}
.lang__btn[aria-pressed="true"] { background: var(--ink); color: var(--paper); }

.burger {
  display: none;
  width: 42px; height: 42px;
  border: var(--rule) solid var(--line);
  border-radius: 999px;
  background: none; cursor: pointer;
  align-items: center; justify-content: center;
}
.burger span {
  display: block; width: 16px; height: 1.5px;
  background: var(--ink);
  transition: transform .35s var(--ease), opacity .2s linear;
}
.burger span + span { margin-top: 4px; }
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(5.5px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-5.5px) rotate(-45deg); }

/* --- buttons -------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .6rem;
  padding: .92rem 1.6rem;
  border-radius: 999px;
  border: var(--rule) solid transparent;
  font-size: .92rem;
  font-weight: 600;
  letter-spacing: -.005em;
  white-space: nowrap;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  isolation: isolate;
  transition: transform .2s var(--ease), border-color .3s var(--ease),
              color .3s var(--ease), background-color .3s var(--ease);
}
.btn:active { transform: scale(.975); }

.btn--primary { background: var(--accent); color: var(--accent-ink); }
.btn--primary::before {
  content: "";
  position: absolute; inset: 0; z-index: -1;
  background: var(--ink);
  transform: translate3d(0, 101%, 0);
  transition: transform .5s var(--ease);
}
.btn--primary:hover { color: var(--paper); }
.btn--primary:hover::before { transform: translate3d(0, 0, 0); }

.btn--ghost {
  border-color: var(--line);
  color: var(--ink);
  background: transparent;
}
.btn--ghost:hover { border-color: var(--ink); background: color-mix(in srgb, var(--ink) 6%, transparent); }

.btn__arrow { width: 13px; height: 13px; flex: 0 0 auto; }
.btn__arrow path { stroke: currentColor; stroke-width: 1.7; fill: none; }

/* --- hero ----------------------------------------------------------------- */

.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  grid-template-rows: 1fr auto;
  padding-top: 72px;
  overflow: clip;
}

.hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: clip;
  clip-path: inset(0 0 0 0);
}
.hero__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: 50% 64%;
  will-change: transform;
}
/* Dark enough under the headline to hold contrast, open through the middle so
   the photograph is still a photograph. */
.hero__scrim {
  position: absolute; inset: 0;
  background:
    linear-gradient(to top,
      rgb(8 10 14 / .80) 0%,
      rgb(8 10 14 / .58) 22%,
      rgb(8 10 14 / .16) 52%,
      rgb(8 10 14 / .06) 74%,
      rgb(8 10 14 / .34) 100%);
}

.hero__body {
  position: relative;
  z-index: 2;
  align-self: end;
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
  padding-block: clamp(2.5rem, 5vw, 4.5rem);
  color: #f4f3ee;
}

.hero__title {
  max-width: 17ch;
  color: #fbfaf6;
  text-shadow: 0 2px 40px rgb(6 8 12 / .35);
}

.hero__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: clamp(1.4rem, 4vw, 4rem);
  margin-top: clamp(1.4rem, 2.6vw, 2.4rem);
}
.hero__lead {
  color: rgb(244 243 238 / .84);
  max-width: 40ch;
  font-size: clamp(1rem, .95rem + .4vw, 1.28rem);
  line-height: 1.5;
}
.hero__cta { display: flex; flex-wrap: wrap; gap: .7rem; }

.hero .btn--ghost {
  border-color: rgb(244 243 238 / .42);
  color: #f4f3ee;
  background: rgb(10 12 16 / .28);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.hero .btn--ghost:hover { border-color: #f4f3ee; background: rgb(244 243 238 / .14); }

/* Authored headline lines. The mask is always on so the line box is stable;
   only the starting transform is armed by the motion layer. */
.hero__title .line { display: block; overflow: hidden; padding-bottom: .06em; }
.hero__title .line > span { display: block; }
.js-ready .hero__title { opacity: 0; }

/* --- statement ------------------------------------------------------------ */

.statement__grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: clamp(1.6rem, 3vw, 3.5rem) var(--gutter);
  align-items: start;
}
.statement__head { grid-column: 1 / span 8; }
.statement__body { grid-column: 2 / span 5; }
.statement__anchors { grid-column: 8 / span 5; align-self: end; }

.anchors { display: grid; gap: 0; }
.anchor {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 1rem;
  padding-block: clamp(.9rem, 1.6vw, 1.35rem);
  border-top: var(--rule) solid var(--line-soft);
}
.anchor:last-child { border-bottom: var(--rule) solid var(--line-soft); }
.anchor__label { color: var(--ink-2); font-size: .94rem; }
.anchor__value {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.5rem, 2.6vw, 2.5rem);
  letter-spacing: -.03em;
  line-height: 1;
}

/* --- directions (horizontal pan) ------------------------------------------ */

.pan { position: relative; background: var(--paper-2); }
.pan__head {
  padding-top: clamp(4rem, 8vw, 7rem);
  padding-bottom: clamp(1.8rem, 3vw, 3rem);
}
.pan__title { max-width: 18ch; }

.pan__viewport { overflow: clip; }

.pan__track {
  display: flex;
  gap: clamp(12px, 1.4vw, 22px);
  padding-inline: var(--gutter);
  padding-bottom: clamp(3.5rem, 7vw, 7rem);
  align-items: stretch;
  will-change: transform;
}

.panel {
  flex: 0 0 auto;
  width: clamp(268px, 27vw, 420px);
  display: flex;
  flex-direction: column;
  background: var(--paper);
  border: var(--rule) solid var(--line-soft);
}
.panel__media {
  position: relative;
  aspect-ratio: 3 / 4;
  overflow: clip;
  background: var(--paper-3);
}
.panel__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  transform: scale(1.04);
  transition: transform .9s var(--ease), filter .6s var(--ease);
}
.panel:hover .panel__media img { transform: scale(1.1); }

.panel__text {
  padding: clamp(1.1rem, 1.7vw, 1.6rem);
  display: flex;
  flex-direction: column;
  gap: .55rem;
  flex: 1;
}
.panel__kicker {
  font-family: var(--font-mono);
  font-size: .62rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.panel__name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.05rem, 1.35vw, 1.3rem);
  line-height: 1.16;
  letter-spacing: -.025em;
}
.panel__note { font-size: .9rem; color: var(--ink-2); line-height: 1.5; }

/* the one designed panel in the track */
.panel--fill {
  background: var(--accent);
  color: var(--accent-ink);
  border-color: transparent;
  justify-content: space-between;
  padding: clamp(1.4rem, 2.2vw, 2.1rem);
  gap: clamp(2rem, 6vw, 5rem);
}
.panel--fill .panel__kicker { color: color-mix(in srgb, var(--accent-ink) 68%, transparent); }
.panel--fill .panel__name { font-size: clamp(1.35rem, 2vw, 1.85rem); }
.panel--fill .panel__note { color: color-mix(in srgb, var(--accent-ink) 82%, transparent); }

.pan__progress {
  height: 2px;
  background: var(--line-soft);
  margin-inline: var(--gutter);
  margin-bottom: clamp(3rem, 6vw, 6rem);
}
.pan__bar {
  height: 100%;
  width: 100%;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left center;
}

/* --- chain (sticky narrative) --------------------------------------------- */

.chain__grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--gutter);
}
.chain__sticky {
  grid-column: 1 / span 6;
  position: sticky;
  top: 0;
  height: 100svh;
  display: flex;
  align-items: center;
}
.chain__frames {
  position: relative;
  width: 100%;
  height: min(74svh, 660px);
  background: var(--paper-3);
  overflow: clip;
}
.chain__frame {
  position: absolute;
  inset: 0;
  opacity: 0;
}
.chain__frame:first-child { opacity: 1; }
.chain__frame img { width: 100%; height: 100%; object-fit: cover; }

.chain__steps { grid-column: 8 / span 5; }
.chain__step {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 1rem;
  padding-block: 4rem;
}
.chain__num {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .14em;
  color: var(--accent);
}
.chain__h { max-width: 15ch; }
.chain__p { color: var(--ink-2); max-width: 40ch; }

/* --- process -------------------------------------------------------------- */

.process__grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: clamp(2rem, 4vw, 4rem) var(--gutter);
}
.process__head { grid-column: 1 / span 5; }

/* five stages, five cells: one lead cell across the top, then a 2x2 */
.process__list {
  grid-column: 7 / span 6;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--rule);
  background: var(--line-soft);
  border: var(--rule) solid var(--line-soft);
}

.stage {
  background: var(--paper);
  padding: clamp(1.3rem, 2.2vw, 2rem);
}
.stage--lead {
  grid-column: 1 / -1;
  background: var(--accent);
  color: var(--accent-ink);
}
.stage--lead .stage__p { color: color-mix(in srgb, var(--accent-ink) 82%, transparent); }
.stage__h {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.05rem, 1.4vw, 1.32rem);
  letter-spacing: -.024em;
  line-height: 1.2;
  margin-bottom: .34rem;
}
.stage__p { color: var(--ink-2); font-size: .96rem; }

/* --- enquiry builder ------------------------------------------------------ */

.builder { background: var(--paper-2); }
.builder__grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: clamp(2rem, 4vw, 3.5rem) var(--gutter);
  align-items: start;
}
.builder__head { grid-column: 1 / span 5; }
.builder__panel { grid-column: 7 / span 6; }

.field-group + .field-group { margin-top: clamp(1.5rem, 2.6vw, 2.1rem); }
.field-group__label {
  font-family: var(--font-mono);
  font-size: .64rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-3);
  display: block;
  margin-bottom: .75rem;
}

.chips { display: flex; flex-wrap: wrap; gap: .5rem; }
.chip {
  border: var(--rule) solid var(--line);
  border-radius: 999px;
  background: transparent;
  padding: .55rem 1.05rem;
  font-size: .88rem;
  font-weight: 500;
  cursor: pointer;
  color: var(--ink-2);
  transition: border-color .25s var(--ease), color .25s var(--ease),
              background-color .25s var(--ease), transform .18s var(--ease);
}
.chip:hover { border-color: var(--ink); color: var(--ink); }
.chip:active { transform: scale(.97); }
.chip[aria-pressed="true"] {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-ink);
}

.builder__out {
  margin-top: clamp(1.8rem, 3vw, 2.4rem);
  border: var(--rule) solid var(--line);
  background: var(--paper);
  padding: clamp(1.1rem, 2vw, 1.5rem);
}
.builder__outlabel {
  font-family: var(--font-mono);
  font-size: .62rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: .6rem;
}
.builder__text {
  font-family: var(--font-mono);
  font-size: .82rem;
  line-height: 1.75;
  color: var(--ink);
  white-space: pre-wrap;
  word-break: break-word;
}
.builder__actions { margin-top: 1.1rem; display: flex; flex-wrap: wrap; gap: .6rem; }

/* --- marquee -------------------------------------------------------------- */

.marquee {
  overflow: clip;
  border-block: var(--rule) solid var(--line-soft);
  padding-block: clamp(1.4rem, 2.6vw, 2.4rem);
  user-select: none;
}
.marquee__track {
  display: flex;
  width: max-content;
  gap: clamp(2rem, 4vw, 4rem);
  will-change: transform;
}
.marquee__item {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.6rem, 4.4vw, 3.6rem);
  letter-spacing: -.035em;
  line-height: 1;
  display: flex;
  align-items: center;
  gap: clamp(2rem, 4vw, 4rem);
  white-space: nowrap;
  color: var(--ink);
}
.marquee__item span { color: var(--accent); }
.marquee__sep { width: 10px; height: 10px; background: var(--accent); flex: 0 0 auto; }

/* --- contact -------------------------------------------------------------- */

.contact__grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: clamp(2.5rem, 5vw, 4rem) var(--gutter);
  align-items: start;
}
.contact__info { grid-column: 1 / span 5; }
.contact__form { grid-column: 7 / span 6; }

.info-row {
  display: grid;
  grid-template-columns: minmax(0, 8rem) minmax(0, 1fr);
  gap: 1rem;
  padding-block: clamp(.85rem, 1.5vw, 1.15rem);
  border-top: var(--rule) solid var(--line-soft);
  align-items: baseline;
}
.info-row:last-of-type { border-bottom: var(--rule) solid var(--line-soft); }
.info-row__k {
  font-family: var(--font-mono);
  font-size: .64rem;
  letter-spacing: .13em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.info-row__v { font-size: .98rem; }
.info-row__v a { border-bottom: 1px solid var(--line); transition: border-color .25s var(--ease); }
.info-row__v a:hover { border-color: var(--accent); color: var(--accent); }

.form { display: grid; gap: clamp(1rem, 1.8vw, 1.4rem); }
.form__row { display: grid; gap: .45rem; }
.form__row--pair { grid-template-columns: 1fr 1fr; gap: clamp(.8rem, 1.6vw, 1.2rem); }
@media (max-width: 640px) { .form__row--pair { grid-template-columns: 1fr; } }

.form label {
  font-family: var(--font-mono);
  font-size: .62rem;
  letter-spacing: .13em;
  text-transform: uppercase;
  color: var(--ink-2);
}
.form input, .form textarea {
  width: 100%;
  background: transparent;
  border: 0;
  border-bottom: var(--rule) solid var(--line);
  padding: .72rem 0;
  font-size: 1rem;
  color: var(--ink);
  border-radius: 0;
  transition: border-color .3s var(--ease);
}
.form input:hover, .form textarea:hover { border-bottom-color: var(--ink-3); }
.form input:focus, .form textarea:focus {
  outline: none;
  border-bottom-color: var(--accent);
}
.form textarea { resize: vertical; min-height: 6.5rem; line-height: 1.6; }
.form ::placeholder { color: var(--ink-3); opacity: 1; }

.form__err {
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .04em;
  color: var(--danger);
  min-height: 1rem;
}

.form__row[data-invalid="true"] input,
.form__row[data-invalid="true"] textarea { border-bottom-color: var(--danger); }

.form__status {
  font-size: .9rem;
  color: var(--accent);
  min-height: 1.4rem;
}
.btn[data-busy="true"] { pointer-events: none; opacity: .72; }

/* --- footer --------------------------------------------------------------- */

.footer { border-top: var(--rule) solid var(--line-soft); padding-block: clamp(2.5rem, 5vw, 4rem); }
.footer__grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 1.6rem var(--gutter);
  align-items: end;
}
.footer__brand { grid-column: 1 / span 4; }
.footer__nav { grid-column: 6 / span 3; display: grid; gap: .5rem; }
.footer__legal { grid-column: 10 / span 3; display: grid; gap: .5rem; justify-items: start; }
.footer a { font-size: .88rem; color: var(--ink-2); transition: color .25s var(--ease); }
.footer a:hover { color: var(--accent); }
.footer__fine {
  margin-top: clamp(2rem, 4vw, 3rem);
  padding-top: 1.2rem;
  border-top: var(--rule) solid var(--line-soft);
  display: flex;
  flex-wrap: wrap;
  gap: .8rem 2rem;
  justify-content: space-between;
}

/* --- legal pages ---------------------------------------------------------- */

.legal { padding-top: calc(72px + clamp(3rem, 7vw, 6rem)); }
.legal__grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: clamp(2rem, 4vw, 3.5rem) var(--gutter);
  align-items: start;
}
.legal__head { grid-column: 1 / span 12; margin-bottom: clamp(1.5rem, 3vw, 2.5rem); }
.legal__toc {
  grid-column: 1 / span 3;
  position: sticky;
  top: calc(72px + 2rem);
  display: grid;
  gap: .55rem;
}
.legal__toc a { font-size: .86rem; color: var(--ink-2); }
.legal__toc a:hover { color: var(--accent); }
.legal__body { grid-column: 5 / span 7; }
.legal__body h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.15rem, 1.7vw, 1.5rem);
  letter-spacing: -.025em;
  line-height: 1.2;
  margin-top: clamp(2.2rem, 4vw, 3.2rem);
  margin-bottom: .8rem;
  scroll-margin-top: 96px;
}
.legal__body h2:first-child { margin-top: 0; }
.legal__body p { color: var(--ink-2); margin-bottom: 1rem; max-width: 68ch; }
.legal__body ul { display: grid; gap: .5rem; margin-bottom: 1rem; max-width: 68ch; }
.legal__body li {
  color: var(--ink-2);
  padding-left: 1.2rem;
  position: relative;
}
.legal__body li::before {
  content: "";
  position: absolute;
  left: 0; top: .72em;
  width: 6px; height: 1px;
  background: var(--accent);
}
.legal__body a { color: var(--accent); border-bottom: 1px solid currentColor; }

/* --- reveal --------------------------------------------------------------- */

.js-ready [data-reveal] { opacity: 0; }
.js-ready [data-reveal="up"] { transform: translate3d(0, 26px, 0); }
.js-ready [data-reveal="clip"] { opacity: 1; clip-path: inset(0 0 100% 0); }

/* --- responsive ----------------------------------------------------------- */

@media (max-width: 1100px) {
  .statement__head { grid-column: 1 / span 12; }
  .statement__body { grid-column: 1 / span 7; }
  .statement__anchors { grid-column: 8 / span 5; }
  .chain__sticky { grid-column: 1 / span 6; }
  .chain__steps { grid-column: 7 / span 6; }
  .process__head { grid-column: 1 / span 12; }
  .process__list { grid-column: 1 / span 12; }
  .builder__head { grid-column: 1 / span 12; }
  .builder__panel { grid-column: 1 / span 12; }
  .contact__info { grid-column: 1 / span 12; }
  .contact__form { grid-column: 1 / span 12; }
  .legal__toc { grid-column: 1 / span 12; position: static; grid-auto-flow: column; justify-content: start; gap: 1.2rem; overflow-x: auto; }
  .legal__body { grid-column: 1 / span 12; }
  .footer__brand { grid-column: 1 / span 12; }
  .footer__nav { grid-column: 1 / span 6; }
  .footer__legal { grid-column: 7 / span 6; }
}

@media (max-width: 860px) {
  .nav__links { display: none; }
  .burger { display: inline-flex; }
  .nav__tools { margin-inline-start: auto; }

  .nav__links[data-open="true"] {
    display: flex;
    position: fixed;
    inset: 72px 0 auto;
    z-index: var(--z-menu);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    margin: 0;
    padding: .5rem var(--gutter) 1.5rem;
    background: var(--paper);
    border-bottom: var(--rule) solid var(--line);
  }
  .nav__links[data-open="true"] .nav__link {
    font-size: 1.05rem;
    padding-block: .95rem;
    border-bottom: var(--rule) solid var(--line-soft);
    color: var(--ink);
  }
  .nav__links[data-open="true"] .nav__link::after { display: none; }

  .statement__body, .statement__anchors { grid-column: 1 / span 12; }

  /* sticky split collapses to a plain stack */
  .chain__grid { display: block; }
  .chain__sticky { display: none; }
  .chain__steps { display: block; }
  .chain__step {
    min-height: 0;
    padding-block: clamp(2rem, 6vw, 3rem);
    border-top: var(--rule) solid var(--line-soft);
  }
  .chain__step-media {
    display: block;
    margin-bottom: 1.2rem;
    aspect-ratio: 4 / 3;
    overflow: clip;
    background: var(--paper-3);
  }
  .chain__step-media img { width: 100%; height: 100%; object-fit: cover; }

  .hero__meta { flex-direction: column; align-items: flex-start; gap: 1.5rem; }
  .hero__lead { max-width: 100%; }
}

@media (min-width: 861px) { .chain__step-media { display: none; } }

@media (max-width: 640px) {
  .hero { min-height: 92svh; }
  .hero__cta { width: 100%; }
  .hero__cta .btn { flex: 1 1 auto; }
  .panel { width: min(78vw, 330px); }
  .footer__nav, .footer__legal { grid-column: 1 / span 12; }
  .process__list { grid-template-columns: minmax(0, 1fr); }
}

/* While the section is pinned it cannot scroll, so everything in it has to fit
   one screen: the media flexes and the captions stay above the fold. */
@media (min-width: 861px) and (pointer: fine) {
  .pan {
    height: 100svh;
    display: flex;
    flex-direction: column;
  }
  .pan__head {
    flex: 0 0 auto;
    padding-top: clamp(2.5rem, 4.5vw, 4rem);
    padding-bottom: clamp(1rem, 1.8vw, 1.75rem);
  }
  .pan__title { font-size: clamp(1.9rem, 3.6vw, 3.4rem); }
  .pan__viewport { flex: 1 1 auto; min-height: 0; display: flex; }
  .pan__track {
    height: 100%;
    padding-bottom: 0;
    align-items: stretch;
  }
  .panel { height: 100%; }
  .panel__media { flex: 1 1 auto; aspect-ratio: auto; min-height: 0; }
  .panel__text { flex: 0 0 auto; }
  .panel--fill { justify-content: space-between; }
  .pan__progress {
    flex: 0 0 auto;
    margin-top: clamp(1rem, 2vw, 1.6rem);
    margin-bottom: clamp(1.5rem, 3vw, 2.4rem);
  }
}

/* mobile: the pinned pan becomes a flick-through rail */
@media (max-width: 860px), (pointer: coarse) {
  .pan__viewport {
    overflow-x: auto;
    overflow-y: hidden;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .pan__viewport::-webkit-scrollbar { display: none; }
  .pan__track { transform: none !important; }
  .panel { scroll-snap-align: start; }
}

/* --- reduced motion ------------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
  .js-ready [data-reveal] { opacity: 1 !important; transform: none !important; clip-path: none !important; }
  .js-ready .hero__title { opacity: 1 !important; }
  .hero__title .line > span { transform: none !important; }
  .pan__bar { transform: scaleX(1); }
  /* Without the cross-fade the sticky column is three empty screens, so fall
     back to the stacked reading order instead. */
  .chain__grid { display: block; }
  .chain__sticky { display: none; }
  .chain__steps { display: block; }
  .chain__step {
    min-height: 0;
    padding-block: clamp(2rem, 6vw, 3.25rem);
    border-top: var(--rule) solid var(--line-soft);
  }
  .chain__step-media {
    display: block;
    margin-bottom: 1.2rem;
    max-width: 640px;
    aspect-ratio: 4 / 3;
    overflow: clip;
    background: var(--paper-3);
  }
  .chain__step-media img { width: 100%; height: 100%; object-fit: cover; }
  /* Nothing pins the rail when motion is reduced, so it has to be reachable by
     hand instead of by scroll position. */
  .pan { height: auto; display: block; }
  .pan__viewport {
    overflow-x: auto;
    overflow-y: hidden;
    scroll-snap-type: x mandatory;
    display: block;
  }
  .pan__track {
    transform: none !important;
    height: auto;
    padding-bottom: clamp(2.5rem, 5vw, 4rem);
  }
  .panel { height: auto; scroll-snap-align: start; }
  .panel__media { aspect-ratio: 3 / 4; flex: 0 0 auto; }

  /* No scrolling copy to fill the row, so lay the words out as a static band */
  .marquee__track {
    transform: none !important;
    width: 100%;
    flex-wrap: wrap;
    justify-content: center;
  }
  .marquee__item { flex-wrap: wrap; justify-content: center; }
  .nav[data-hidden="true"] { transform: none; }
}

@media print {
  .nav, .grain, .marquee, .hero__media { display: none; }
  body { background: #fff; color: #000; }
}