/* ============================================================
   METYMEDIA — Engineering Perception (V2)
   A chaptered cinematic experience.
   Near black · charcoal · warm bone · champagne gold.

   Layer model:
   - Base CSS renders a COMPLETE static page (no-JS, reduced motion).
   - html.js-anim adds runways, pinning and choreography initial
     states; main.js directs them from a single rAF loop.
   ============================================================ */

:root {
  --ink: #0b0a08;          /* near black, warm */
  --coal: #14110c;         /* charcoal */
  --smoke: #1d1913;        /* elevated charcoal */
  --bone: #ece4d4;         /* warm off-white */
  --bone-dim: #a89e8c;     /* secondary text */
  --bone-faint: #6d655a;   /* tertiary */
  --gold: #c8a566;         /* champagne */
  --gold-deep: #8c7347;    /* blackened brass */
  --gold-line: rgba(200, 165, 102, 0.32);
  --gold-ghost: rgba(200, 165, 102, 0.19);
  --hairline-dark: rgba(200, 165, 102, 0.14);

  --ease: cubic-bezier(0.16, 1, 0.3, 1);

  --shell-max: 1440px;
  --shell-pad: clamp(24px, 5vw, 96px);
  --chapter-pad: clamp(130px, 17vw, 260px);

  --serif: "New York", ui-serif, Georgia, "Times New Roman", serif;
  --sans: -apple-system, BlinkMacSystemFont, "SF Pro Display",
          "Helvetica Neue", Helvetica, Arial, sans-serif;

  /* runways (js-anim only) */
  --run-film: 420vh;
  --run-reveal: 230vh;
  --run-room: 260vh;
  --run-manifesto: 330vh;
  --run-process: 400vh;
}

@media (max-width: 820px) {
  :root {
    --run-film: 300vh;
    --run-reveal: 170vh;
    --run-room: 190vh;
    --run-manifesto: 260vh;
    --run-process: 300vh;
  }
}

/* ---------- reset & base ---------- */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  background: var(--ink);
  color: var(--bone);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, video, canvas { display: block; max-width: 100%; }
ul, ol { list-style: none; }
a { color: inherit; }
em { font-style: italic; }

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

fieldset { border: 0; }
legend { padding: 0; }

::selection { background: rgba(200, 165, 102, 0.85); color: #0b0a08; }

:focus-visible {
  outline: 1px solid var(--gold);
  outline-offset: 6px;
}

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: var(--shell-pad);
  z-index: 200;
  padding: 12px 20px;
  background: var(--gold);
  color: var(--ink);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-decoration: none;
}
.skip-link:focus { top: 0; }

/* ---------- atmosphere ---------- */

/* film grain — materiality, not decoration */
.grain {
  position: fixed;
  inset: -60px;
  z-index: 120;
  pointer-events: none;
  opacity: 0.045;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='240' height='240' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- primitives ---------- */

.shell {
  max-width: var(--shell-max);
  margin: 0 auto;
  padding-inline: var(--shell-pad);
}

.chapter-label {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gold);
}

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

.quiet-link {
  text-decoration: none;
  border-bottom: 1px solid var(--gold-line);
  padding-bottom: 2px;
  transition: border-color 0.35s var(--ease), color 0.35s var(--ease);
}
.quiet-link:hover { color: var(--gold); border-color: var(--gold); }

.body {
  font-size: clamp(1rem, 1.2vw, 1.125rem);
  line-height: 1.75;
  color: var(--bone-dim);
}

/* oversized engraved numerals */
.ghost {
  position: absolute;
  font-family: var(--serif);
  font-size: clamp(220px, 34vw, 560px);
  line-height: 0.8;
  color: transparent;
  -webkit-text-stroke: 1px var(--gold-ghost);
  pointer-events: none;
  user-select: none;
  z-index: 0;
}
@supports not (-webkit-text-stroke: 1px black) {
  .ghost { color: rgba(200, 165, 102, 0.06); }
}

/* IO-driven editorial reveals */
.js-anim .rise {
  opacity: 0;
  transform: translateY(30px);
  transition:
    opacity 1.1s var(--ease),
    transform 1.1s var(--ease);
  transition-delay: var(--rise-delay, 0s);
}
.js-anim .rise.on { opacity: 1; transform: none; }

/* ============================================================
   OPENING SCENE — the film
   ============================================================ */

.film {
  position: relative;
  background: #000;
  height: 100vh;
  height: 100svh;              /* static fallback */
}
.js-anim .film { height: var(--run-film); }

.film-scene {
  position: relative;
  height: 100vh;
  height: 100svh;
  overflow: hidden;
}
.js-anim .film-scene {
  position: sticky;
  top: 0;
}

.film-poster,
.film-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.film-canvas { display: none; }
.js-anim .film-canvas { display: block; }

.film-fallback {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* the tail: film resolves to black before the title card */
.film-tail {
  position: absolute;
  inset: 0;
  background: var(--ink);
  opacity: 0;
  pointer-events: none;
}

/* scroll cue: a single hairline. No text, no branding. */
.film-cue {
  position: absolute;
  left: 50%;
  bottom: calc(clamp(30px, 5vh, 54px) + env(safe-area-inset-bottom, 0px));
  transform: translateX(-50%);
  opacity: 0;
  transition: opacity 1.2s var(--ease);
  pointer-events: none;
  display: none;
}
.js-anim .film-cue { display: block; }
.film-cue.show { opacity: 1; }

.film-cue span {
  display: block;
  width: 1px;
  height: 56px;
  background: rgba(236, 228, 212, 0.28);
  position: relative;
  overflow: hidden;
}
.film-cue span::after {
  content: "";
  position: absolute;
  left: 0; top: 0;
  width: 100%; height: 42%;
  background: var(--gold);
  animation: cue-drift 2.8s var(--ease) infinite;
}
@keyframes cue-drift {
  0%   { transform: translateY(-110%); }
  55%  { transform: translateY(260%); }
  100% { transform: translateY(260%); }
}

/* ============================================================
   TITLE CARD — monumental brand reveal
   ============================================================ */

.reveal {
  position: relative;
  background: var(--ink);
}
.js-anim .reveal { height: var(--run-reveal); }

.reveal-scene {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-inline: var(--shell-pad);
  overflow: hidden;
}
.js-anim .reveal-scene {
  position: sticky;
  top: 0;
  height: 100vh;
  height: 100svh;
  min-height: 0;
}

/* warm metallic lighting — a single quiet source above */
.reveal-bloom {
  position: absolute;
  left: 50%;
  top: -30%;
  width: 130vmax;
  height: 130vmax;
  transform: translateX(-50%);
  background: radial-gradient(closest-side,
    rgba(216, 178, 120, 0.14) 0%,
    rgba(216, 178, 120, 0.05) 32%,
    rgba(216, 178, 120, 0) 62%);
  pointer-events: none;
}
.js-anim .reveal-bloom { opacity: 0; }

.brand {
  position: relative;
  font-size: clamp(2.4rem, 7vw, 6.8rem);
  font-weight: 500;
  letter-spacing: 0.26em;
  margin-left: 0.26em;   /* optically recentre tracked type */
  text-transform: uppercase;
  color: var(--bone);
}
.js-anim .brand {
  opacity: 0;
  will-change: opacity, letter-spacing, transform;
}

.brand-rule {
  display: block;
  width: min(200px, 30vw);
  height: 1px;
  background: var(--gold-line);
  margin-top: clamp(28px, 4vh, 44px);
}
.js-anim .brand-rule { transform: scaleX(0); }

.brand-tag {
  margin-top: clamp(20px, 3vh, 32px);
  font-size: clamp(0.7rem, 1vw, 0.8125rem);
  letter-spacing: 0.34em;
  margin-left: 0.34em;
  text-transform: uppercase;
  color: var(--gold);
}
.js-anim .brand-tag { opacity: 0; }

/* ============================================================
   CHAPTER 01 — STATEMENT
   ============================================================ */

.statement {
  position: relative;
  background:
    radial-gradient(120vmax 80vmax at 8% 0%,
      rgba(216, 178, 120, 0.062), transparent 55%),
    var(--ink);
  padding-block: var(--chapter-pad);
  overflow: hidden;
}

.statement-ghost {
  top: clamp(-40px, -4vw, -80px);
  right: calc(-1 * clamp(40px, 8vw, 140px));
}

.statement-grid { position: relative; z-index: 1; }

.statement .chapter-label { margin-bottom: clamp(56px, 8vw, 112px); }

.statement-display {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(2.5rem, 6.6vw, 7rem);
  line-height: 1.07;
  letter-spacing: -0.012em;
  max-width: 21ch;
}

.sline { display: block; }
.sline-2 { margin-left: clamp(28px, 7vw, 140px); }
.sline-3 { margin-left: clamp(56px, 14vw, 280px); }

.statement-copy {
  position: relative;
  margin-top: clamp(64px, 9vw, 140px);
  margin-left: auto;
  max-width: 520px;
  padding-left: clamp(24px, 2.5vw, 40px);
  display: grid;
  gap: clamp(22px, 3vw, 36px);
}

@media (min-width: 900px) {
  .statement-copy { margin-right: clamp(0px, 4vw, 96px); }
}

.statement-copy .vrule {
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 1px;
  background: linear-gradient(var(--gold), rgba(200, 165, 102, 0.05));
}

.lede {
  font-size: clamp(1.2rem, 1.9vw, 1.6rem);
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: -0.008em;
  color: var(--bone);
}

/* ============================================================
   CHAPTER 02 — CAPABILITIES (editorial plates)
   ============================================================ */

.caps { background: var(--ink); }

.caps-head {
  padding-block: var(--chapter-pad) clamp(80px, 10vw, 160px);
}

.caps-head .chapter-label { margin-bottom: clamp(40px, 5vw, 72px); }

.caps-display {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(2.2rem, 5vw, 5rem);
  line-height: 1.05;
  letter-spacing: -0.01em;
}
.caps-display em { color: var(--gold); }

.rooms { position: relative; }

/* ------------------------------------------------------------
   Each capability is a scroll-directed scene:
   arrival (darkness + the room's own pre-light) -> title on black
   -> the environment lights up -> one line of copy -> departure
   back into darkness. The director drives every stage.
   ------------------------------------------------------------ */

.room {
  position: relative;
  background: #050403;
}
.js-anim .room { height: var(--run-room); }

.room-scene {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  overflow: hidden;
}
.js-anim .room-scene {
  position: sticky;
  top: 0;
  height: 100vh;
  height: 100svh;
  min-height: 0;
}

/* the environment — hero of the chapter */
.room-env {
  position: absolute;
  inset: 0;
  will-change: transform, filter;
}
.js-anim .room-env {
  filter: brightness(0.35);
  transform: scale(1.12);
}
.room-env img {
  position: absolute;
  left: 0;
  top: -6%;
  width: 100%;
  height: 112%;
  object-fit: cover;
}

/* legibility, shaped to the composition corner */
.room-scrim {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}
.room--bl .room-scrim {
  background:
    linear-gradient(90deg, rgba(5, 4, 3, 0.6) 0%, rgba(5, 4, 3, 0) 48%),
    linear-gradient(0deg, rgba(5, 4, 3, 0.62) 0%, rgba(5, 4, 3, 0) 44%);
}
.room--tl .room-scrim {
  background:
    linear-gradient(90deg, rgba(5, 4, 3, 0.6) 0%, rgba(5, 4, 3, 0) 48%),
    linear-gradient(180deg, rgba(5, 4, 3, 0.62) 0%, rgba(5, 4, 3, 0) 44%);
}
.room--br .room-scrim {
  background:
    linear-gradient(270deg, rgba(5, 4, 3, 0.6) 0%, rgba(5, 4, 3, 0) 48%),
    linear-gradient(0deg, rgba(5, 4, 3, 0.62) 0%, rgba(5, 4, 3, 0) 44%);
}

/* darkness between rooms — the passage */
.room-veil {
  display: none;
  position: absolute;
  inset: 0;
  z-index: 2;
  background: #050403;
  pointer-events: none;
}
.js-anim .room-veil { display: block; }

/* the room's own light, sensed before the room is seen */
.room-atmo {
  display: none;
  position: absolute;
  inset: 0;
  z-index: 3;
  pointer-events: none;
  opacity: 0;
}
.js-anim .room-atmo { display: block; }
.room-1 .room-atmo { background: radial-gradient(70vmax 55vmax at 50% -5%, rgba(215, 222, 235, 0.16), transparent 60%); }
.room-2 .room-atmo { background: radial-gradient(70vmax 55vmax at 36% 55%, rgba(216, 178, 120, 0.17), transparent 60%); }
.room-3 .room-atmo { background: radial-gradient(80vmax 60vmax at 16% 10%, rgba(232, 215, 182, 0.18), transparent 62%); }
.room-4 .room-atmo { background: radial-gradient(70vmax 55vmax at 50% 92%, rgba(214, 162, 108, 0.15), transparent 60%); }
.room-5 .room-atmo { background: linear-gradient(115deg, rgba(233, 224, 206, 0.16), transparent 55%); }

/* the composition */
.room-inner {
  position: absolute;
  inset: 0;
  z-index: 4;
  display: flex;
  padding-block: clamp(72px, 11vh, 128px);
}
.room--bl .room-inner { align-items: flex-end; justify-content: flex-start; }
.room--tl .room-inner { align-items: flex-start; justify-content: flex-start; }
.room--br .room-inner { align-items: flex-end; justify-content: flex-end; }

.room-block { max-width: 620px; }

.room-title {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: clamp(20px, 2.6vw, 40px);
  align-items: start;
  will-change: transform;
}
.js-anim .room-num,
.js-anim .room-text { opacity: 0; }

.room-num {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(88px, 10vw, 172px);
  line-height: 0.82;
  color: transparent;
  -webkit-text-stroke: 1px rgba(200, 165, 102, 0.55);
  user-select: none;
}
@supports not (-webkit-text-stroke: 1px black) {
  .room-num { color: rgba(200, 165, 102, 0.28); }
}

.room-text { padding-top: clamp(6px, 1vw, 14px); }

.room-name {
  font-size: clamp(1.15rem, 2vw, 1.85rem);
  font-weight: 500;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--bone);
}

.room-rule {
  display: block;
  width: clamp(64px, 7vw, 110px);
  height: 1px;
  background: var(--gold-line);
  margin-top: clamp(18px, 2.6vh, 28px);
  transform-origin: left center;
}
.js-anim .room-rule { transform: scaleX(0); }

.room-copy {
  margin-top: clamp(22px, 3.2vh, 36px);
  max-width: 42ch;
  font-size: clamp(0.98rem, 1.2vw, 1.1rem);
  line-height: 1.75;
  color: var(--bone-dim);
  will-change: opacity, transform;
}
.js-anim .room-copy { opacity: 0; }

@media (max-width: 820px) {
  /* mobile: every room resolves to the same quiet stage, low and left */
  .room--bl .room-inner,
  .room--tl .room-inner,
  .room--br .room-inner { align-items: flex-end; justify-content: flex-start; }
  .room-inner { padding-block: clamp(56px, 10vh, 96px); }
  .room--bl .room-scrim,
  .room--tl .room-scrim,
  .room--br .room-scrim {
    background:
      linear-gradient(0deg, rgba(5, 4, 3, 0.85) 0%, rgba(5, 4, 3, 0.25) 42%, rgba(5, 4, 3, 0) 62%);
  }
  .room-title { grid-template-columns: 1fr; gap: 14px; }
  .room-num { font-size: 72px; }
}

/* ============================================================
   THE THRESHOLD — not every project
   ============================================================ */

.gate {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--ink);
}

.gate-env {
  position: absolute;
  inset: 0;
}
.gate-env img {
  position: absolute;
  left: 0;
  top: -5%;
  width: 100%;
  height: 110%;
  object-fit: cover;
  filter: brightness(0.42) saturate(0.9);
}

.gate-scrim {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120vmax 90vmax at 50% 60%,
      rgba(11, 10, 8, 0) 0%,
      rgba(11, 10, 8, 0.55) 70%),
    linear-gradient(rgba(11, 10, 8, 0.6),
      rgba(11, 10, 8, 0.15) 35%,
      rgba(11, 10, 8, 0.15) 65%,
      rgba(11, 10, 8, 0.72));
  pointer-events: none;
}

.gate-inner {
  position: relative;
  z-index: 1;
  width: 100%;
  text-align: center;
  padding-block: clamp(120px, 18vh, 200px);
}

.gate-display {
  font-weight: 600;
  font-size: clamp(1.9rem, 5.2vw, 5.4rem);
  line-height: 1.08;
  letter-spacing: -0.01em;
  text-transform: uppercase;
}
.gline { display: block; }

.gate-copy {
  margin: clamp(36px, 5vh, 56px) auto 0;
  max-width: 54ch;
  font-size: clamp(1rem, 1.25vw, 1.15rem);
  line-height: 1.75;
  color: var(--bone-dim);
}

.gate-if {
  margin: clamp(24px, 3.5vh, 36px) auto 0;
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(1.05rem, 1.4vw, 1.3rem);
  color: var(--bone-dim);
}

.gate-close {
  margin: clamp(36px, 5vh, 56px) auto 0;
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(1.7rem, 3.2vw, 2.9rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
}
.gate-close em { color: var(--gold); }

/* ============================================================
   CHAPTER 03 — MANIFESTO
   ============================================================ */

.manifesto {
  position: relative;
  background: var(--ink);
  padding-block: var(--chapter-pad);   /* static fallback */
}
.js-anim .manifesto { height: var(--run-manifesto); padding-block: 0; }

.manifesto-scene {
  position: relative;
  display: grid;
  place-items: center;
  gap: clamp(20px, 3vh, 36px);
  text-align: center;
  padding-inline: var(--shell-pad);
}
.js-anim .manifesto-scene {
  position: sticky;
  top: 0;
  height: 100vh;
  height: 100svh;
  overflow: hidden;
  display: block;
}

.manifesto-bloom {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 120vmax;
  height: 120vmax;
  transform: translate(-50%, -50%);
  background: radial-gradient(closest-side,
    rgba(216, 178, 120, 0.11) 0%,
    rgba(216, 178, 120, 0.04) 30%,
    rgba(216, 178, 120, 0) 60%);
  pointer-events: none;
  display: none;
}
.js-anim .manifesto-bloom { display: block; opacity: 0; }

.mline {
  font-weight: 600;
  font-size: clamp(2.6rem, 7.4vw, 7.6rem);
  line-height: 1;
  letter-spacing: -0.015em;
  text-transform: uppercase;
  color: var(--bone-faint);
}
.mline-3 {
  font-family: var(--serif);
  font-weight: 500;
  text-transform: none;
  letter-spacing: -0.012em;
  color: var(--bone);
  font-size: clamp(3.4rem, 9.8vw, 10.4rem);
}

.js-anim .mline {
  position: absolute;
  left: 50%;
  top: 50%;
  white-space: nowrap;
  opacity: 0;
  transform: translate(-50%, -50%);
  will-change: opacity, transform;
}

.mfoot {
  margin-top: clamp(16px, 2vh, 24px);
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px 18px;
  font-size: 11px;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--bone-dim);
}
.mdot { color: var(--gold); }

.js-anim .mfoot {
  position: absolute;
  left: 50%;
  bottom: clamp(56px, 10vh, 112px);
  transform: translateX(-50%);
  width: max-content;
  max-width: 90vw;
  margin: 0;
  opacity: 0;
}

/* ============================================================
   CHAPTER 04 — PROCESS
   ============================================================ */

.process {
  position: relative;
  background:
    radial-gradient(110vmax 70vmax at 85% 8%,
      rgba(216, 178, 120, 0.05), transparent 55%),
    var(--ink);
  padding-block: var(--chapter-pad);   /* static fallback */
}
.js-anim .process { height: var(--run-process); padding-block: 0; }

.process-scene { position: relative; }
.js-anim .process-scene {
  position: sticky;
  top: 0;
  height: 100vh;
  height: 100svh;
  overflow: hidden;
}

.process-label {
  padding-inline: var(--shell-pad);
}
.js-anim .process-label {
  position: absolute;
  top: clamp(40px, 8vh, 88px);
  left: 0;
}

/* static fallback: a quiet column */
.stages {
  margin-top: clamp(48px, 7vw, 96px);
  padding-inline: var(--shell-pad);
  display: grid;
  gap: clamp(48px, 7vw, 88px);
  max-width: 900px;
}
.js-anim .stages { margin: 0; padding: 0; display: block; max-width: none; }

.stage { position: relative; }
.js-anim .stage {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-inline: var(--shell-pad);
  opacity: 0;
  will-change: opacity, transform;
}

.stage-ghost {
  display: none;
}
.js-anim .stage-ghost {
  display: block;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -54%);
  font-family: var(--serif);
  font-size: clamp(300px, 56vh, 620px);
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px var(--gold-ghost);
  pointer-events: none;
  z-index: -1;
}

.stage-name {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(2.8rem, 7vw, 7rem);
  line-height: 1;
  letter-spacing: -0.012em;
}

.stage-copy {
  margin-top: clamp(20px, 3vh, 32px);
  max-width: 44ch;
  color: var(--bone-dim);
  font-size: clamp(1rem, 1.25vw, 1.15rem);
  line-height: 1.7;
}

/* production pipeline meter */
.pipeline { display: none; }
.js-anim .pipeline {
  display: flex;
  align-items: center;
  gap: 20px;
  position: absolute;
  left: 50%;
  bottom: clamp(44px, 8vh, 88px);
  transform: translateX(-50%);
}

.pipe-track {
  display: block;
  width: min(320px, 40vw);
  height: 1px;
  background: var(--hairline-dark);
  position: relative;
  overflow: hidden;
}
.pipe-fill {
  position: absolute;
  left: 0; top: 0;
  height: 100%;
  width: 100%;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left center;
}

.pipe-labels {
  display: flex;
  gap: 18px;
  font-size: 10px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--bone-faint);
}
.pipe-labels li { transition: color 0.5s var(--ease); }
.pipe-labels li.on { color: var(--gold); }

@media (max-width: 820px) {
  .pipe-labels { display: none; }
  .pipe-track { width: min(220px, 56vw); }
}

/* ============================================================
   CHAPTER 05 — START A PROJECT
   ============================================================ */

.start {
  position: relative;
  background:
    radial-gradient(110vmax 80vmax at 12% 6%,
      rgba(216, 178, 120, 0.05), transparent 55%),
    var(--ink);
  padding-block: var(--chapter-pad);
  overflow: hidden;
}

.start-ghost {
  top: clamp(-30px, -3vw, -60px);
  right: calc(-1 * clamp(40px, 8vw, 140px));
}

.start .shell { position: relative; z-index: 1; }

.start .chapter-label { margin-bottom: clamp(40px, 5vw, 72px); }

.start-display {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(2.6rem, 6vw, 6rem);
  line-height: 1.04;
  letter-spacing: -0.012em;
}
.start-display em { color: var(--gold); }

.start-sub {
  margin-top: clamp(18px, 2.5vw, 28px);
  color: var(--bone-dim);
  font-size: clamp(0.95rem, 1.15vw, 1.05rem);
  letter-spacing: 0.02em;
}

/* --- the conversation --- */

.enquiry {
  margin-top: clamp(64px, 8vw, 120px);
  max-width: 720px;
  position: relative;
}

.enquiry-head {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-bottom: clamp(48px, 6vw, 80px);
}

.eq-count {
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--gold);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

.eq-track {
  display: block;
  flex: 1;
  height: 1px;
  background: var(--hairline-dark);
  position: relative;
  overflow: hidden;
}
.eq-fill {
  position: absolute;
  left: 0; top: 0;
  height: 100%;
  width: 100%;
  background: var(--gold);
  transform: scaleX(0.1667);
  transform-origin: left center;
  transition: transform 0.9s var(--ease);
}

.step { display: none; }
.step.cur { display: block; }
.js-anim .step.cur { animation: step-in 0.8s var(--ease) both; }

@keyframes step-in {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: none; }
}

/* choices are offered, not listed — they arrive in sequence */
.js-anim .step.cur .opt { animation: opt-in 0.7s var(--ease) both; }
.js-anim .step.cur .opt:nth-child(1) { animation-delay: 0.1s; }
.js-anim .step.cur .opt:nth-child(2) { animation-delay: 0.18s; }
.js-anim .step.cur .opt:nth-child(3) { animation-delay: 0.26s; }
.js-anim .step.cur .opt:nth-child(4) { animation-delay: 0.34s; }
.js-anim .step.cur .opt:nth-child(5) { animation-delay: 0.42s; }

@keyframes opt-in {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: none; }
}

.step-q {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(1.7rem, 3.4vw, 3rem);
  line-height: 1.14;
  letter-spacing: -0.012em;
  margin-bottom: clamp(40px, 5.5vw, 64px);
}
.step-q:focus { outline: none; }

.opts { border-top: 1px solid var(--hairline-dark); }

.opt {
  width: 100%;
  display: grid;
  grid-template-columns: clamp(40px, 5vw, 64px) 1fr auto;
  align-items: center;
  gap: 16px;
  text-align: left;
  padding-block: clamp(18px, 2.6vw, 26px);
  border-bottom: 1px solid var(--hairline-dark);
  position: relative;
}

.opt-n {
  font-size: 11px;
  letter-spacing: 0.2em;
  color: #7d7466;
  transition: color 0.4s var(--ease);
}

.opt-label {
  font-size: clamp(1.15rem, 1.9vw, 1.55rem);
  font-weight: 500;
  letter-spacing: -0.005em;
  transition: transform 0.55s var(--ease), color 0.4s var(--ease);
}

.opt::after {
  content: "\2192";
  color: var(--gold);
  opacity: 0;
  transform: translateX(-8px);
  transition: opacity 0.4s var(--ease), transform 0.4s var(--ease);
}

@media (hover: hover) {
  .opt:hover .opt-label { transform: translateX(10px); color: var(--gold); }
  .opt:hover .opt-n { color: var(--gold); }
  .opt:hover::after { opacity: 1; transform: none; }
}

.opt[aria-pressed="true"] .opt-n { color: var(--gold); }
.opt[aria-pressed="true"] .opt-label { color: var(--gold); }
.opt[aria-pressed="true"]::after { content: "\2713"; opacity: 1; transform: none; }

/* fields */

.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(24px, 4vw, 56px);
}
@media (max-width: 640px) {
  .field-row { grid-template-columns: 1fr; gap: 0; }
}

.field { margin-bottom: clamp(32px, 4vw, 48px); }

.field label {
  display: block;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--gold-deep);
  margin-bottom: 14px;
}

.field input,
.field textarea {
  width: 100%;
  font: inherit;
  font-size: clamp(1.05rem, 1.4vw, 1.25rem);
  color: var(--bone);
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--hairline-dark);
  border-radius: 0;
  padding: 6px 0 14px;
  transition: border-color 0.5s var(--ease);
  caret-color: var(--gold);
}

.field textarea { resize: vertical; min-height: 110px; line-height: 1.6; }
.field ::placeholder { color: var(--bone-faint); opacity: 1; }

.field input:focus,
.field textarea:focus {
  outline: none;
  border-bottom-color: var(--gold);
}

.field input:-webkit-autofill,
.field textarea:-webkit-autofill {
  -webkit-text-fill-color: var(--bone);
  -webkit-box-shadow: 0 0 0 1000px var(--ink) inset;
  transition: background-color 9999s ease-out;
}

/* summary of the conversation on the final step */
.eq-summary {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 10px 24px;
  margin-bottom: clamp(32px, 4vw, 48px);
  padding: clamp(20px, 3vw, 28px) 0;
  border-top: 1px solid var(--hairline-dark);
  border-bottom: 1px solid var(--hairline-dark);
}
.eq-summary:empty { display: none; }
.eq-summary dt {
  font-size: 10px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--gold-deep);
  align-self: center;
}
.eq-summary dd {
  font-size: 0.95rem;
  color: var(--bone-dim);
}

.advance {
  display: inline-flex;
  align-items: baseline;
  gap: 14px;
  font-size: clamp(1.05rem, 1.4vw, 1.25rem);
  font-weight: 500;
  letter-spacing: 0.02em;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--gold);
  color: var(--bone);
  transition: color 0.35s var(--ease);
}
.advance:hover { color: var(--gold); }
.advance-arrow {
  display: inline-block;
  color: var(--gold);
  transition: transform 0.5s var(--ease);
}
.advance:hover .advance-arrow { transform: translateX(6px); }

.eq-back {
  margin-top: clamp(24px, 4vw, 44px);
  padding: 16px 20px 16px 0;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--bone-faint);
  transition: color 0.35s var(--ease);
}
.eq-back:hover { color: var(--gold); }

/* completion */
.eq-done { max-width: 620px; }
.js-anim .eq-done { animation: step-in 0.8s var(--ease) both; }

.done-display {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(2.6rem, 6vw, 5.6rem);
  line-height: 1.05;
  letter-spacing: -0.012em;
}
.done-display em { color: var(--gold); }

.done-copy {
  margin-top: clamp(24px, 3vw, 36px);
  color: var(--bone-dim);
  font-size: clamp(1rem, 1.25vw, 1.15rem);
  line-height: 1.75;
  max-width: 44ch;
}

.done-alt {
  margin-top: clamp(20px, 2.5vw, 28px);
  font-size: 0.9rem;
  color: var(--bone-faint);
}

/* ============================================================
   FOOTER
   ============================================================ */

.footer {
  background: var(--ink);
  border-top: 1px solid var(--hairline-dark);
  padding-block: clamp(56px, 7vw, 96px) calc(clamp(28px, 3vw, 40px) + env(safe-area-inset-bottom, 0px));
}

.footer-shell {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
}

.footer-wordmark {
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.32em;
  text-transform: uppercase;
}

.footer-tagline {
  margin-top: 10px;
  font-size: 11px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gold);
}

.footer-mail { font-size: 0.9375rem; color: var(--bone-dim); }

.footer-legal {
  margin-top: clamp(48px, 6vw, 80px);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: #8a8172;
}

/* ============================================================
   REDUCED MOTION — the static page is already complete;
   silence the few remaining animated affordances.
   ============================================================ */

html.reduced .film-cue,
html.reduced .film-cue span::after { animation: none; display: none; }

html.reduced .eq-fill,
html.reduced .opt-label,
html.reduced .opt::after,
html.reduced .advance-arrow,
html.reduced .pipe-labels li { transition: none; }

html.reduced .step.cur,
html.reduced .step.cur .opt { animation: none; }

/* ============================================================
   PHONES — deliberate small-screen composition
   ============================================================ */

.statement-display,
.caps-display,
.gate-display,
.start-display,
.step-q,
.done-display { text-wrap: balance; }

@media (max-width: 430px) {
  .brand { font-size: clamp(1.85rem, 8vw, 2.4rem); }
  .brand-tag { letter-spacing: 0.28em; margin-left: 0.28em; }

  .statement-display { font-size: clamp(2.05rem, 9.4vw, 2.6rem); }
  .sline-2 { margin-left: 20px; }
  .sline-3 { margin-left: 40px; }
  .statement-copy { padding-left: 20px; }

  .caps-display { font-size: clamp(1.9rem, 8.8vw, 2.4rem); }
  .room-num { font-size: 60px; }
  .room-name { letter-spacing: 0.2em; }
  .room-copy { font-size: 0.95rem; }

  .mline { font-size: clamp(1.85rem, 8.6vw, 2.5rem); }
  .mline-3 { font-size: clamp(2.35rem, 11.4vw, 3.2rem); }
  .mfoot { gap: 10px 14px; font-size: 10px; }

  .stage-name { font-size: clamp(2.2rem, 10.4vw, 2.8rem); }
  .stage-ghost { font-size: clamp(220px, 44vh, 380px); }

  .gate-display { font-size: clamp(1.5rem, 7vw, 1.85rem); }
  .gate-close { font-size: clamp(1.45rem, 6.6vw, 1.75rem); }

  .start-display { font-size: clamp(1.9rem, 8.8vw, 2.4rem); }
  .step-q { font-size: clamp(1.4rem, 6.6vw, 1.7rem); }
  .done-display { font-size: clamp(1.9rem, 8.8vw, 2.4rem); }

  .ghost { font-size: clamp(160px, 55vw, 240px); }
}

/* ============================================================
   LOW-MEMORY FILM MODE — the film plays instead of scrubbing
   ============================================================ */

html.film-video .film { height: 100vh; height: 100svh; }
html.film-video .film-scene { position: relative; }
html.film-video .film-canvas,
html.film-video .film-cue { display: none; }

.film-video-el {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.film-play {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 76px;
  height: 76px;
  border: 1px solid rgba(236, 228, 212, 0.5);
  border-radius: 50%;
  display: grid;
  place-items: center;
  transition: border-color 0.35s var(--ease);
}
.film-play:hover { border-color: var(--gold); }
.film-play span {
  width: 0;
  height: 0;
  border-left: 14px solid var(--bone);
  border-top: 9px solid transparent;
  border-bottom: 9px solid transparent;
  margin-left: 4px;
}