/* ═══════════════════════════════════════════════════════════════════════════
   EON ATELIER — No. 1 "Meantime"
   A night of movement steel. Bone type, blued accents, ruby jewels.
   Display: Marcellus · Prose: Spectral · Instruments: Spline Sans Mono
   ═══════════════════════════════════════════════════════════════════════════ */

:root {
  --night: #0d1115;      /* page ground — slate, never pure black   */
  --pit: #06080a;        /* vignette floor                          */
  --bone: #e9e3d5;       /* ink on night                            */
  --bone-soft: rgba(233, 227, 213, 0.74);
  --bone-faint: rgba(233, 227, 213, 0.58);
  --bone-ghost: rgba(233, 227, 213, 0.34);
  --line: rgba(233, 227, 213, 0.14);
  --line-soft: rgba(233, 227, 213, 0.08);
  --blued: #5d82d6;      /* thermally blued steel                   */
  --blued-deep: #2c4f9e;
  --ruby: #a72743;       /* jewel                                   */
  --disp: 'Marcellus', 'Times New Roman', serif;
  --serif: 'Spectral', Georgia, serif;
  --mono: 'Spline Sans Mono', 'Consolas', monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: auto; }
[hidden] { display: none !important; }

body {
  background: var(--night);
  color: var(--bone);
  font-family: var(--serif);
  font-weight: 300;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* scroll is locked while the gate stands; released on enter or fold-down */
html.js body { overflow: hidden; }
html.js.entered body, html.js.no-3d body { overflow-y: auto; }

::selection { background: var(--bone); color: var(--night); }

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

.skip {
  position: fixed; top: -60px; left: 16px; z-index: 90;
  background: var(--bone); color: var(--night);
  font-family: var(--mono); font-size: 12px;
  padding: 10px 16px; text-decoration: none;
  transition: top 0.2s;
}
.skip:focus { top: 12px; }

/* ═══ SCENE CANVAS (injected by JS) ═══ */
canvas.scene {
  position: fixed; inset: 0; z-index: 0;
  width: 100%; height: 100%;
  display: block;
  transition: opacity 1s ease;
}
canvas.scene.dimmed { opacity: 0; }

/* ═══ THE GATE ═══ */
.gate {
  position: fixed; inset: 0; z-index: 60;
  background:
    radial-gradient(105% 80% at 50% 108%, rgba(93, 130, 214, 0.12), rgba(93, 130, 214, 0) 55%),
    radial-gradient(120% 90% at 50% -10%, #141a21, var(--night) 60%);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  text-align: center;
  padding: 24px;
}
html.no-3d .gate { display: none; }
.gate.leave {
  animation: gate-lift 1s cubic-bezier(0.76, 0, 0.2, 1) forwards;
  pointer-events: none;
}
@keyframes gate-lift {
  to { opacity: 0; transform: scale(1.04); visibility: hidden; }
}
.gate-kicker {
  font-family: var(--mono); font-size: 11.5px; font-weight: 300;
  letter-spacing: 0.34em; text-transform: uppercase;
  color: var(--bone-faint);
}
.gate-mark {
  font-family: var(--disp); font-weight: 400;
  font-size: clamp(44px, 9.5vw, 118px);
  letter-spacing: 0.14em; text-indent: 0.14em;
  line-height: 1.04;
  margin: 20px 0 8px;
}
.gate-thesis {
  font-family: var(--serif); font-style: italic; font-weight: 300;
  font-size: clamp(17px, 2.3vw, 24px);
  color: var(--bone-soft);
}
.gate-sub {
  max-width: 46ch;
  margin-top: 22px;
  font-size: 15.5px;
  color: var(--bone-faint);
}
.gate-enter {
  margin-top: 44px;
  font-family: var(--mono); font-size: 12.5px; font-weight: 400;
  letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--bone);
  background: none;
  border: 1px solid var(--bone-ghost);
  border-radius: 999px;
  padding: 17px 40px;
  cursor: pointer;
  transition: border-color 0.3s, background 0.3s, color 0.3s;
}
.gate-enter:not(:disabled):hover {
  border-color: var(--bone);
  background: var(--bone);
  color: var(--night);
}
.gate-enter:disabled { cursor: wait; color: var(--bone-faint); }
.gate-enter .ge-go { display: none; }
.gate-enter:not(:disabled) .ge-wait { display: none; }
.gate-enter:not(:disabled) .ge-go { display: inline; }
.gate-skip {
  margin-top: 18px;
  font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--bone-faint);
  text-decoration: underline; text-underline-offset: 4px;
  text-decoration-color: var(--bone-ghost);
}
.gate-skip:hover { color: var(--bone); }
.gate-foot {
  position: absolute; bottom: 26px; left: 0; right: 0;
  font-family: var(--mono); font-size: 10.5px;
  letter-spacing: 0.26em; text-transform: uppercase;
  color: var(--bone-faint);
}

/* ═══ CHROME ═══ */
.chrome {
  position: fixed; top: 0; left: 0; right: 0; z-index: 20;
  display: flex; align-items: baseline; justify-content: space-between;
  padding: 20px clamp(18px, 3vw, 44px);
  pointer-events: none;
}
.chrome a { pointer-events: auto; }
.wordmark {
  font-family: var(--disp); font-size: 17px;
  letter-spacing: 0.22em;
  color: var(--bone); text-decoration: none;
}
.chrome-reg {
  position: absolute; left: 50%; transform: translateX(-50%);
  font-family: var(--mono); font-size: 10.5px; font-weight: 300;
  letter-spacing: 0.3em;
  color: var(--bone-faint);
  opacity: 0; transition: opacity 0.6s;
  white-space: nowrap;
}
html.entered .chrome-reg { opacity: 1; }
.chrome-papers {
  font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.14em;
  text-transform: uppercase; text-decoration: none;
  color: var(--bone-soft);
  border-bottom: 1px solid var(--bone-ghost);
  padding-bottom: 2px;
}
.chrome-papers:hover { color: var(--bone); border-color: var(--bone); }

/* ═══ THE DESCENT ═══ */
.track { height: 0; }
html.no-3d .track { display: none; }

/* wall labels */
.labels { position: fixed; z-index: 10; inset: 0; pointer-events: none; }
html.no-3d .labels { display: none; }
.label {
  position: absolute;
  left: clamp(18px, 4vw, 60px);
  bottom: clamp(72px, 13vh, 128px);
  max-width: min(420px, 82vw);
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.9s ease, transform 0.9s ease;
}
.label.on { opacity: 1; transform: none; }
.l-no {
  font-family: var(--mono); font-size: 10.5px; font-weight: 300;
  letter-spacing: 0.32em; text-transform: uppercase;
  color: var(--blued);
  margin-bottom: 10px;
}
.l-title {
  font-family: var(--disp); font-weight: 400;
  font-size: clamp(26px, 3.6vw, 44px);
  line-height: 1.08;
  letter-spacing: 0.02em;
}
.l-meta {
  font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--bone-soft);
  margin-top: 10px;
}
.l-mat {
  font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--bone-faint);
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid var(--line);
}
.l-note {
  font-family: var(--serif); font-style: italic;
  font-size: 15.5px;
  color: var(--bone-soft);
  margin-top: 12px;
  max-width: 40ch;
}
.label-coda {
  left: 50%; bottom: 44vh;
  transform: translate(-50%, 14px);
  text-align: center;
  max-width: none;
}
.label-coda.on { transform: translate(-50%, 0); }
.label-coda .l-note {
  font-size: clamp(20px, 2.8vw, 30px);
  line-height: 1.45;
  max-width: none;
}

/* ═══ HUD — the reserve ═══ */
.hud-res {
  position: fixed; right: clamp(18px, 3vw, 44px); bottom: 22px; z-index: 10;
  display: flex; align-items: center; gap: 10px;
  font-family: var(--mono); font-size: 10.5px; font-weight: 300;
  letter-spacing: 0.18em;
  color: var(--bone-faint);
  font-variant-numeric: tabular-nums;
  opacity: 0; transition: opacity 0.6s;
}
html.entered .hud-res { opacity: 1; }
html.no-3d .hud-res { display: none; }
html.in-papers .hud-res, html.in-papers .chrome-reg { opacity: 0; }
.hr-bar {
  width: 74px; height: 1px;
  background: var(--line);
  position: relative;
  overflow: hidden;
}
.hr-bar i {
  position: absolute; inset: 0;
  background: var(--bone-soft);
  transform-origin: left center;
  transition: transform 0.2s linear;
}
.hr-val { color: var(--bone-soft); }

.cue {
  position: fixed; left: 50%; bottom: 22px; z-index: 10;
  transform: translateX(-50%);
  font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--bone-faint);
  opacity: 0; transition: opacity 0.8s;
  white-space: nowrap;
}
html.entered .cue.show { opacity: 1; animation: cue-pulse 2.8s ease-in-out infinite; }
@keyframes cue-pulse { 50% { opacity: 0.35; } }
.cue-touch { display: none; }
@media (pointer: coarse) {
  .cue-desktop { display: none; }
  .cue-touch { display: inline; }
}

/* ═══ THE PAPERS ═══ */
.papers {
  position: relative; z-index: 30;
  background:
    linear-gradient(rgba(13, 17, 21, 0) 0, var(--night) 26vh),
    var(--night);
  padding: 0 clamp(20px, 5vw, 72px) 0;
}
html.js:not(.no-3d) .papers { margin-top: -26vh; padding-top: 26vh; }
html.no-3d .papers, html:not(.js) .papers { padding-top: 120px; }

.pp-mast {
  max-width: 1060px; margin: 0 auto;
  padding: 16vh 0 10vh;
}
.pp-kicker {
  font-family: var(--mono); font-size: 11px; font-weight: 300;
  letter-spacing: 0.34em; text-transform: uppercase;
  color: var(--blued);
}
.pp-head {
  font-family: var(--disp); font-weight: 400;
  font-size: clamp(40px, 7vw, 92px);
  line-height: 1.06; letter-spacing: 0.03em;
  margin: 26px 0 30px;
}
.pp-head span { display: block; }
.pp-head span + span { padding-left: clamp(0px, 8vw, 120px); }
.pp-state {
  max-width: 62ch;
  font-size: clamp(15.5px, 1.6vw, 18px);
  color: var(--bone-soft);
}
.pp-state em { font-style: italic; color: var(--bone); }

.pp-sec {
  max-width: 1060px; margin: 0 auto;
  padding: 9vh 0;
  border-top: 1px solid var(--line);
}
.sec-h {
  display: flex; align-items: baseline; gap: 20px;
  font-family: var(--disp); font-weight: 400;
  font-size: clamp(24px, 3vw, 36px);
  letter-spacing: 0.05em;
  margin-bottom: 7vh;
}
.sec-no {
  font-family: var(--mono); font-size: 12px; font-weight: 300;
  letter-spacing: 0.2em;
  color: var(--blued);
}

/* papers reveals — gated on .js-anim so a stalled observer can never blank the page */
html.js-anim .pp-sec, html.js-anim .pp-mast { opacity: 0; transform: translateY(22px); }
html.js-anim .is-in { opacity: 1; transform: none; transition: opacity 0.9s ease, transform 0.9s ease; }

/* spec sheet */
.spec {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 clamp(24px, 5vw, 80px);
}
.spec > div {
  display: flex; justify-content: space-between; align-items: baseline;
  gap: 18px;
  padding: 13px 2px;
  border-bottom: 1px solid var(--line-soft);
}
.spec dt {
  font-family: var(--mono); font-size: 11px; font-weight: 300;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--bone-faint);
  white-space: nowrap;
}
.spec dd { font-size: 15px; text-align: right; color: var(--bone-soft); }
.spec-null dd { color: var(--bone); font-style: italic; }
.spec-null dt { color: var(--bone-soft); }

/* registers */
.reg-list { list-style: none; }
.reg {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 16px;
  padding: 34px 0;
}
.reg + .reg { border-top: 1px solid var(--line-soft); }
.r-no {
  font-family: var(--disp); font-size: 24px;
  color: var(--bone-ghost);
  letter-spacing: 0.08em;
}
.r-body h4 {
  font-family: var(--disp); font-weight: 400;
  font-size: clamp(19px, 2.2vw, 25px);
  letter-spacing: 0.04em;
  margin-bottom: 12px;
}
.r-body > p { max-width: 66ch; color: var(--bone-soft); font-size: 15.5px; }
.r-live {
  margin-top: 16px;
  font-family: var(--mono); font-size: 11.5px; font-weight: 300;
  letter-spacing: 0.1em;
  color: var(--blued);
  font-variant-numeric: tabular-nums;
  min-height: 1.4em;
}

/* atelier */
.at-cols {
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr);
  gap: clamp(28px, 6vw, 96px);
  align-items: start;
}
.at-lead {
  font-size: clamp(16px, 1.8vw, 20px);
  line-height: 1.75;
  color: var(--bone-soft);
}
.at-facts { list-style: none; }
.at-facts li {
  display: flex; align-items: baseline; gap: 16px;
  padding: 18px 2px;
  border-bottom: 1px solid var(--line-soft);
}
.at-facts strong {
  font-family: var(--disp); font-weight: 400;
  font-size: 28px; letter-spacing: 0.04em;
  min-width: 96px;
}
.at-facts span {
  font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--bone-faint);
}

/* correspondence */
.steps {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(18px, 3vw, 40px);
}
.steps li { min-width: 0; }
.s-no {
  font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--blued);
}
.steps h4 {
  font-family: var(--disp); font-weight: 400;
  font-size: 19px; letter-spacing: 0.04em;
  margin: 10px 0 10px;
}
.steps p { font-size: 14px; color: var(--bone-faint); }
.cor-card {
  margin-top: 8vh;
  padding: clamp(28px, 4vw, 52px);
  border: 1px solid var(--line);
  display: flex; flex-wrap: wrap; align-items: baseline;
  justify-content: space-between; gap: 18px;
}
.cor-price {
  font-family: var(--disp);
  font-size: clamp(19px, 2.4vw, 27px);
  letter-spacing: 0.04em;
}
.cor-link {
  font-family: var(--mono); font-size: 13px; letter-spacing: 0.08em;
  color: var(--bone);
  text-decoration: underline; text-underline-offset: 5px;
  text-decoration-color: var(--blued);
}
.cor-link:hover { color: var(--blued); }

/* footer */
.foot {
  max-width: 1060px; margin: 0 auto;
  border-top: 1px solid var(--line);
  padding: 8vh 0 46px;
  text-align: center;
}
.foot-mark {
  font-family: var(--disp); font-size: 22px; letter-spacing: 0.26em;
  text-indent: 0.26em;
}
.foot-line {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em;
  color: var(--bone-faint);
  margin-top: 12px;
}
.foot-row {
  margin-top: 40px;
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 14px;
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em;
  color: var(--bone-faint);
}
.foot-row a { color: var(--bone-faint); text-decoration: underline; text-underline-offset: 4px; text-decoration-color: var(--bone-ghost); }
.foot-row a:hover { color: var(--bone); }
html.no-3d #rewind { visibility: hidden; }

/* ═══ FINISH — grain + vignette ═══ */
.finish {
  position: fixed; inset: 0; z-index: 40;
  pointer-events: none;
  background: radial-gradient(130% 100% at 50% 42%, rgba(6, 8, 10, 0) 55%, rgba(6, 8, 10, 0.5) 100%);
}
.finish::after {
  content: '';
  position: absolute; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
  opacity: 0.05;
  mix-blend-mode: overlay;
}
html.no-3d .finish { position: absolute; height: 100vh; }

/* ═══ RESPONSIVE ═══ */
@media (max-width: 900px) {
  .spec { grid-template-columns: minmax(0, 1fr); }
  .at-cols { grid-template-columns: minmax(0, 1fr); }
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 30px clamp(18px, 3vw, 40px); }
}

@media (max-width: 640px) {
  .label {
    left: 18px; right: 18px;
    bottom: 66px;
    max-width: none;
  }
  .l-note { font-size: 14.5px; }
  .l-mat { max-width: 46ch; }
  .label-coda { left: 50%; right: auto; width: max-content; max-width: 86vw; }
  .label-coda .l-note { max-width: none; }
  .chrome { padding-top: 16px; }
  .chrome-reg { display: none; }
  .hud-res { right: 16px; bottom: 18px; }
  .hr-bar { width: 44px; }
  .cue {
    left: 18px; right: 18px; transform: none; bottom: 46px;
    letter-spacing: 0.1em; font-size: 9.5px;
    white-space: normal; text-align: center;
  }
  .reg { grid-template-columns: minmax(0, 1fr); gap: 4px; padding: 28px 0; }
  .r-no { font-size: 18px; }
  .steps { grid-template-columns: minmax(0, 1fr); }
  .pp-head span + span { padding-left: 0; }
  .pp-mast { padding-top: 12vh; }
}

/* ═══ REDUCED MOTION ═══ */
@media (prefers-reduced-motion: reduce) {
  .label, html.js-anim .is-in { transition-duration: 0.01s; }
  html.entered .cue.show { animation: none; }
  .gate.leave { animation-duration: 0.2s; }
}