/* 小若彤 · Film editorial layer
   无贴块卡片；片头式字幕 + 发丝线 + 暗场渐变 */

:root {
  --void: #07090c;
  --ink: #ece7dc;
  --ink-dim: rgba(236, 231, 220, 0.62);
  --mist: #7e8a94;
  --warm: #c9a06a;
  --warm-soft: rgba(201, 160, 106, 0.85);
  --hair: rgba(236, 231, 220, 0.14);
  --font-display: "Bodoni Moda", "Didot", "Playfair Display", Georgia, "Songti SC", "Noto Serif SC", serif;
  --font-body: "Segoe UI", "PingFang SC", "Noto Sans SC", system-ui, sans-serif;
  --font-mono: "Cascadia Code", "SF Mono", "Consolas", monospace;
  --top-h: 52px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-in: cubic-bezier(0.55, 0.06, 0.68, 0.19);
}

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

html, body {
  background: var(--void);
  color: var(--ink);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body { overflow-x: hidden; cursor: none; }

@media (hover: none), (pointer: coarse) {
  body { cursor: auto; }
  .cursor { display: none !important; }
}

#gl {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  display: block;
}

/* ——— Letterbox ——— */
.frame {
  position: fixed;
  inset: 0;
  z-index: 4;
  pointer-events: none;
}
.frame__bar {
  position: absolute;
  left: 0; right: 0;
  height: clamp(10px, 2.2vh, 22px);
  background: var(--void);
  opacity: 0.92;
}
.frame__bar--t { top: 0; border-bottom: 1px solid rgba(236,231,220,0.04); }
.frame__bar--b { bottom: 0; border-top: 1px solid rgba(236,231,220,0.04); }

/* ——— Top bar ——— */
.top {
  position: fixed;
  top: clamp(10px, 2.2vh, 22px);
  left: 0; right: 0;
  z-index: 20;
  height: var(--top-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(20px, 4vw, 48px);
  pointer-events: none;
}
.top__brand {
  pointer-events: auto;
  color: var(--ink);
  text-decoration: none;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.42em;
  padding-right: 0.2em;
  opacity: 0.92;
  transition: color 0.35s var(--ease), opacity 0.35s;
}
.top__brand:hover,
.top__brand:focus-visible {
  color: var(--warm);
  opacity: 1;
  outline: none;
}
.top__meta {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--mist);
  display: flex;
  align-items: center;
  gap: 12px;
  text-transform: uppercase;
}
#mode-readout { color: var(--warm-soft); min-width: 4.5em; text-align: right; }
#elev-readout { color: var(--ink-dim); min-width: 2.5em; text-align: right; font-variant-numeric: tabular-nums; }
#ch-readout { color: var(--ink); min-width: 1.5em; }
.top__dot {
  width: 2px; height: 2px;
  background: var(--mist);
  border-radius: 50%;
  opacity: 0.7;
}

/* ——— Edge chapter rail ——— */
.edge {
  position: fixed;
  left: clamp(18px, 3vw, 40px);
  top: 50%;
  transform: translateY(-50%);
  z-index: 20;
}
.edge__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.edge__list button {
  pointer-events: auto;
  background: none;
  border: 0;
  padding: 4px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--mist);
  cursor: none;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  transition: color 0.35s var(--ease);
}
.edge__list i {
  display: block;
  width: 18px;
  height: 1px;
  background: currentColor;
  opacity: 0.35;
  transition: width 0.45s var(--ease), opacity 0.35s, background 0.35s;
}
.edge__list button:hover,
.edge__list button:focus-visible { color: var(--ink); outline: none; }
.edge__list button:hover i,
.edge__list button:focus-visible i { opacity: 0.8; width: 28px; }
.edge__list button.is-active { color: var(--warm); }
.edge__list button.is-active i {
  width: 36px;
  opacity: 1;
  background: var(--warm);
}
.edge__list button.is-past { color: rgba(236,231,220,0.35); }

/* ——— Sequences ——— */
#scroll-root { position: relative; z-index: 10; }

.seq {
  min-height: 120vh;
  position: relative;
  display: flex;
  align-items: center;
  pointer-events: none;
}

.seq--demo { min-height: 130vh; }
.seq--hero { min-height: 135vh; }
.seq--credits { min-height: 130vh; }

.seq__stage {
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  padding:
    calc(var(--top-h) + clamp(24px, 5vh, 48px))
    clamp(20px, 5vw, 64px)
    clamp(48px, 8vh, 96px);
  display: grid;
  grid-template-columns: minmax(56px, auto) minmax(0, 1fr);
  gap: clamp(20px, 4vw, 56px);
  align-items: center;
  box-sizing: border-box;
}

.seq__stage--credits {
  max-width: 1200px;
  grid-template-columns: minmax(56px, auto) minmax(0, 1fr);
  align-items: start;
  padding-right: clamp(20px, 6vw, 80px);
}

.seq__rail {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
  padding-bottom: 6px;
  min-width: 56px;
  max-width: 72px;
  flex-shrink: 0;
}
.seq__num {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 4vw, 3.4rem);
  line-height: 1;
  letter-spacing: 0.04em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(236,231,220,0.35);
  opacity: 0;
  transform: translateY(18px);
  text-shadow: none;
}
.seq__rule {
  display: block;
  width: 1px;
  height: 0;
  min-height: 0;
  background: linear-gradient(to bottom, var(--warm), transparent);
  opacity: 0.7;
}
.seq__tag {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.28em;
  color: var(--mist);
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  opacity: 0;
}

.seq__copy {
  max-width: min(36rem, 100%);
  min-width: 0;
  width: 100%;
  pointer-events: auto;
  opacity: 0;
  padding: 24px 8px 24px clamp(0px, 1vw, 8px);
  background: radial-gradient(
    120% 100% at 70% 50%,
    rgba(7, 9, 12, 0.55) 0%,
    rgba(7, 9, 12, 0.22) 45%,
    transparent 75%
  );
  box-sizing: border-box;
  overflow: visible;
}

/* 侧栏跳转 / forceReveal 后强制可读，不再依赖 scrub 状态 */
.seq.is-revealed .seq__copy,
.seq.is-revealed .credits,
.seq.is-current .seq__copy,
.seq.is-current .credits {
  opacity: 1 !important;
  transform: none !important;
  filter: none !important;
}

.seq.is-revealed .seq__num,
.seq.is-revealed .seq__tag,
.seq.is-revealed .seq__title .line,
.seq.is-revealed .seq__thesis,
.seq.is-revealed .seq__body,
.seq.is-revealed .hero-facts,
.seq.is-revealed .hero-cta,
.seq.is-revealed .demo,
.seq.is-current .seq__num,
.seq.is-current .seq__tag,
.seq.is-current .seq__title .line {
  opacity: 1 !important;
  transform: none !important;
}

.seq--demo .seq__copy {
  max-width: min(40rem, 100%);
}

.seq--demo .seq__stage {
  align-items: center;
}

.seq--demo .demo {
  max-width: min(40rem, 100%);
}

.seq__copy--hero {
  max-width: min(42rem, 100%);
  background: radial-gradient(
    110% 120% at 30% 60%,
    rgba(7, 9, 12, 0.62) 0%,
    rgba(7, 9, 12, 0.25) 50%,
    transparent 78%
  );
}

.seq__eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.32em;
  color: var(--warm-soft);
  margin-bottom: 22px;
  text-transform: uppercase;
  text-shadow: 0 1px 12px rgba(7, 9, 12, 0.8);
}

.seq__title {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: clamp(2.15rem, 4.6vw, 3.75rem);
  line-height: 1.22;
  letter-spacing: 0.08em;
  color: var(--ink);
  margin-bottom: 28px;
  text-shadow:
    0 0 40px rgba(7, 9, 12, 0.85),
    0 2px 18px rgba(7, 9, 12, 0.75);
  overflow: visible;
  word-break: keep-all;
  overflow-wrap: anywhere;
}

.seq__title--hero {
  font-size: clamp(3.2rem, 8.5vw, 6.5rem);
  letter-spacing: 0.2em;
  font-weight: 300;
  margin-bottom: 36px;
}

.seq__title--credits {
  letter-spacing: 0.12em;
  font-weight: 400;
  margin-bottom: 16px;
  font-size: clamp(2rem, 4.2vw, 3.25rem);
}

.seq__title .line {
  display: block;
  overflow: visible;
  padding-right: 0.12em;
}

.seq__thesis {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 18px;
  align-items: start;
  margin-bottom: 36px;
  max-width: 22rem;
}

.seq__thesis p {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.4vw, 1.65rem);
  line-height: 1.55;
  letter-spacing: 0.08em;
  color: var(--ink);
  opacity: 0.94;
  text-shadow: 0 0 28px rgba(7, 9, 12, 0.9), 0 1px 10px rgba(7, 9, 12, 0.8);
}

.seq__thesis-rule {
  display: block;
  width: 1px;
  height: 100%;
  min-height: 48px;
  background: linear-gradient(to bottom, var(--warm), rgba(201,160,106,0));
  margin-top: 4px;
}

.seq__body {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 20px;
  align-items: start;
  max-width: 28rem;
}

.seq__body p {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.85;
  letter-spacing: 0.04em;
  color: rgba(236, 231, 220, 0.78);
  margin-bottom: 14px;
  text-shadow: 0 0 20px rgba(7, 9, 12, 0.95), 0 1px 8px rgba(7, 9, 12, 0.85);
  overflow-wrap: anywhere;
}

.seq__coord {
  font-family: var(--font-mono) !important;
  font-size: 10px !important;
  letter-spacing: 0.22em !important;
  color: var(--mist) !important;
  margin-bottom: 0 !important;
  text-transform: uppercase;
}

.seq__foot {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.28em;
  color: var(--mist);
}

.seq__product {
  font-family: var(--font-body);
  font-size: 0.95rem;
  letter-spacing: 0.18em;
  color: var(--warm-soft);
  margin-bottom: 8px;
}

/* Hero practical facts */
.hero-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 22px;
  margin: 8px 0 28px;
  max-width: 26rem;
  padding: 16px 0;
  border-top: 1px solid var(--hair);
  border-bottom: 1px solid var(--hair);
}

.hero-facts b {
  display: block;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 14px;
  letter-spacing: 0.12em;
  color: var(--ink);
  margin-bottom: 4px;
}

.hero-facts span {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 20px;
  margin-bottom: 28px;
}

.btn-line {
  pointer-events: auto;
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--ink);
  text-decoration: none;
  padding: 12px 0;
  border-bottom: 1px solid var(--warm);
  transition: color 0.25s var(--ease), border-color 0.25s, padding 0.25s;
}

.btn-line:hover,
.btn-line:focus-visible {
  color: var(--warm);
  outline: none;
}

.btn-line--ghost {
  border-bottom-color: rgba(236, 231, 220, 0.25);
  color: var(--ink-dim);
}

.btn-line--ghost:hover,
.btn-line--ghost:focus-visible {
  color: var(--ink);
  border-bottom-color: var(--ink-dim);
}

/* Spec lists — film production notes, not cards */
.spec-list {
  list-style: none;
  margin-top: 28px;
  border-top: 1px solid var(--hair);
  max-width: 34rem;
}

.spec-list li {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--hair);
}

.spec-k {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  color: var(--warm-soft);
  padding-top: 3px;
}

.spec-list strong {
  display: block;
  font-weight: 500;
  font-size: 15px;
  letter-spacing: 0.12em;
  margin-bottom: 4px;
  color: var(--ink);
  text-shadow: 0 0 16px rgba(7, 9, 12, 0.85);
}

.spec-list span {
  display: block;
  font-size: 13px;
  line-height: 1.65;
  letter-spacing: 0.04em;
  color: rgba(236, 231, 220, 0.72);
  text-shadow: 0 0 14px rgba(7, 9, 12, 0.9);
}

.spec-list--compact { margin-top: 24px; }

/* Steps */
.steps {
  list-style: none;
  margin-top: 28px;
  border-top: 1px solid var(--hair);
  max-width: 34rem;
  counter-reset: none;
}

.steps li {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1px solid var(--hair);
}

.steps__n {
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: 0.06em;
  color: var(--warm-soft);
  padding-top: 2px;
}

.steps strong {
  display: block;
  font-weight: 500;
  font-size: 15px;
  letter-spacing: 0.12em;
  margin-bottom: 6px;
  color: var(--ink);
  text-shadow: 0 0 16px rgba(7, 9, 12, 0.85);
}

.steps span {
  display: block;
  font-size: 13px;
  line-height: 1.7;
  letter-spacing: 0.04em;
  color: rgba(236, 231, 220, 0.72);
  text-shadow: 0 0 14px rgba(7, 9, 12, 0.9);
}

.steps b { color: var(--ink); font-weight: 500; }

/* Data table */
.data-table {
  margin-top: 28px;
  max-width: 34rem;
  border-top: 1px solid var(--hair);
}

.spec-list, .steps, .data-table {
  max-width: min(36rem, 100%);
}

.spec-list li,
.steps li {
  grid-template-columns: 40px minmax(0, 1fr);
}

.spec-list span,
.steps span {
  overflow-wrap: anywhere;
}

.data-table__row {
  display: grid;
  grid-template-columns: minmax(5.5rem, 7rem) minmax(0, 1fr);
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--hair);
  font-size: 13px;
  line-height: 1.6;
  letter-spacing: 0.04em;
}

.data-table__row > span:last-child {
  overflow-wrap: anywhere;
}

.data-table__row > span:first-child {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  color: var(--warm-soft);
  text-transform: uppercase;
  padding-top: 2px;
}

.data-table__row > span:last-child {
  color: rgba(236, 231, 220, 0.78);
  text-shadow: 0 0 14px rgba(7, 9, 12, 0.9);
}

.data-table__row--head > span:first-child,
.data-table__row--head > span:last-child {
  color: var(--mist);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.2em;
}

/* Contact */
.contact {
  margin-top: 28px;
  padding: 20px 0;
  border-top: 1px solid var(--hair);
}

.contact__k {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--mist);
  margin-bottom: 10px;
}

.contact__v {
  font-family: var(--font-body);
  font-size: 1.25rem;
  letter-spacing: 0.16em;
  color: var(--ink);
  margin-bottom: 8px;
  text-shadow: 0 0 20px rgba(7, 9, 12, 0.85);
}

.contact__note {
  font-size: 13px;
  line-height: 1.65;
  letter-spacing: 0.04em;
  color: rgba(236, 231, 220, 0.68);
  max-width: 28rem;
}

.seq__body p em {
  font-style: normal;
  color: var(--ink);
  letter-spacing: 0.08em;
}

/* ——— Model demo ——— */
.seq__copy--demo {
  max-width: min(38rem, 100%);
}

.demo {
  margin-top: 28px;
  border-top: 1px solid var(--hair);
  padding-top: 18px;
  max-width: min(36rem, 100%);
}

.demo__code-row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  margin-bottom: 14px;
}

.demo__code-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--warm-soft);
}

.demo__code {
  width: 100%;
  background: rgba(7, 9, 12, 0.45);
  border: 1px solid rgba(236, 231, 220, 0.14);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  padding: 10px 12px;
  box-sizing: border-box;
  outline: none;
}

.demo__code:focus {
  border-color: rgba(201, 160, 106, 0.55);
}

.demo__code::placeholder {
  color: rgba(126, 138, 148, 0.75);
  letter-spacing: 0.04em;
  font-size: 12px;
}

.demo__log {
  min-height: 200px;
  max-height: 320px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 14px;
  padding-right: 4px;
}

.bubble__who {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--warm-soft);
  margin-bottom: 6px;
}

.bubble--user .bubble__who { color: var(--mist); }

.bubble__body {
  font-size: 14px;
  line-height: 1.7;
  letter-spacing: 0.03em;
  color: rgba(236, 231, 220, 0.88);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  text-shadow: 0 0 16px rgba(7, 9, 12, 0.9);
  padding-left: 12px;
  border-left: 1px solid rgba(201, 160, 106, 0.35);
}

.bubble--user .bubble__body {
  border-left-color: rgba(236, 231, 220, 0.2);
  color: rgba(236, 231, 220, 0.75);
}

.demo__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}

.chip {
  pointer-events: auto;
  background: transparent;
  border: 1px solid rgba(236, 231, 220, 0.16);
  color: var(--ink-dim);
  font-family: var(--font-body);
  font-size: 12px;
  letter-spacing: 0.04em;
  padding: 8px 12px;
  cursor: pointer;
  max-width: 100%;
  transition: color 0.2s, border-color 0.2s;
}

.chip:hover,
.chip:focus-visible {
  color: var(--ink);
  border-color: var(--warm);
  outline: none;
}

.demo__form textarea {
  width: 100%;
  resize: vertical;
  min-height: 72px;
  max-height: 160px;
  background: rgba(7, 9, 12, 0.45);
  border: 1px solid rgba(236, 231, 220, 0.14);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.6;
  letter-spacing: 0.04em;
  padding: 12px 14px;
  box-sizing: border-box;
  outline: none;
}

.demo__form textarea:focus {
  border-color: rgba(201, 160, 106, 0.55);
}

.demo__form textarea::placeholder {
  color: rgba(126, 138, 148, 0.85);
}

.demo__actions {
  display: flex;
  justify-content: flex-end;
  gap: 18px;
  margin-top: 12px;
}

.demo__actions .btn-line {
  cursor: pointer;
  background: none;
  border-top: 0;
  border-left: 0;
  border-right: 0;
  font-family: var(--font-mono);
}

.demo__note {
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 10px;
  line-height: 1.6;
  letter-spacing: 0.08em;
  color: var(--mist);
  opacity: 0.85;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* Hero layout: copy left-low, not boxed */
.seq--hero .seq__stage {
  align-items: center;
  min-height: calc(100vh - var(--top-h));
}

.scroll-hint {
  position: absolute;
  right: clamp(28px, 6vw, 80px);
  bottom: clamp(36px, 8vh, 72px);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.35em;
  color: var(--mist);
  pointer-events: none;
  opacity: 0;
}
.scroll-hint__line {
  width: 1px;
  height: 56px;
  background: linear-gradient(to bottom, rgba(201,160,106,0.7), transparent);
  transform-origin: top;
  animation: breathe 2.8s var(--ease) infinite;
}
@keyframes breathe {
  0%, 100% { transform: scaleY(0.35); opacity: 0.35; }
  50% { transform: scaleY(1); opacity: 1; }
}

/* ——— Credits ——— */
.seq--credits { min-height: 150vh; }

/* 片尾：内容整体居中，避免贴左、裁切 */
.seq--credits .seq__stage {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  max-width: 920px;
  gap: 20px;
}

.seq--credits .seq__rail {
  flex-direction: row;
  align-items: center;
  gap: 14px;
  max-width: none;
  min-width: 0;
}

.seq--credits .seq__num {
  font-size: clamp(2rem, 3.5vw, 2.8rem);
}

.seq--credits .seq__rule {
  width: 36px !important;
  height: 1px !important;
  min-height: 0 !important;
  background: linear-gradient(90deg, var(--warm), transparent) !important;
}

.seq--credits .seq__tag {
  writing-mode: horizontal-tb;
  transform: none;
  letter-spacing: 0.28em;
}

.credits {
  max-width: min(40rem, 100%);
  width: 100%;
  margin: 0 auto;
  min-width: 0;
  pointer-events: auto;
  opacity: 0;
  padding: 12px 4px 8px;
  box-sizing: border-box;
  background: radial-gradient(
    140% 110% at 35% 35%,
    rgba(7, 9, 12, 0.78) 0%,
    rgba(7, 9, 12, 0.4) 55%,
    transparent 82%
  );
}

.credits__lede {
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: 0.08em;
  line-height: 1.6;
  color: rgba(236, 231, 220, 0.82);
  margin-bottom: 36px;
  max-width: 22rem;
  text-shadow: 0 0 24px rgba(7, 9, 12, 0.9);
  overflow-wrap: anywhere;
}

.credits__list {
  list-style: none;
  border-top: 1px solid var(--hair);
  margin-bottom: 28px;
}

.credits__list li {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 14px;
  padding: 20px 0;
  border-bottom: 1px solid var(--hair);
}

.credits__idx {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--warm-soft);
  padding-top: 4px;
}

.credits__txt { min-width: 0; }

.credits__txt strong {
  display: block;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 17px;
  letter-spacing: 0.1em;
  margin-bottom: 6px;
  color: var(--ink);
  text-shadow: 0 0 18px rgba(7, 9, 12, 0.9);
  overflow-wrap: anywhere;
}

.credits__txt span {
  display: block;
  font-size: 13px;
  letter-spacing: 0.04em;
  line-height: 1.65;
  color: rgba(236, 231, 220, 0.78);
  margin-bottom: 4px;
  overflow-wrap: anywhere;
}

.credits__txt em {
  display: block;
  font-style: normal;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--mist);
  overflow-wrap: anywhere;
}

.credits__meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 24px;
  padding: 20px 0;
  border-top: 1px solid var(--hair);
  border-bottom: 1px solid var(--hair);
  margin-bottom: 20px;
}

.credits__meta > div { min-width: 0; }

.credits__meta span {
  display: block;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.18em;
  color: var(--mist);
  margin-bottom: 6px;
}

.credits__meta b {
  display: block;
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 14px;
  letter-spacing: 0.1em;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.contact {
  margin-top: 24px;
  padding: 18px 0 4px;
  border-top: 1px solid var(--hair);
}

.contact__k {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--mist);
  margin-bottom: 10px;
}

.contact__v {
  font-family: var(--font-body);
  font-size: 1.2rem;
  letter-spacing: 0.12em;
  color: var(--ink);
  margin-bottom: 8px;
  text-shadow: 0 0 20px rgba(7, 9, 12, 0.85);
  overflow-wrap: anywhere;
}

.contact__note {
  font-size: 13px;
  line-height: 1.65;
  letter-spacing: 0.04em;
  color: rgba(236, 231, 220, 0.68);
  max-width: 32rem;
  overflow-wrap: anywhere;
}

.credits__end {
  margin-top: 18px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--mist);
  overflow-wrap: anywhere;
}

/* ——— Cursor ——— */
.cursor {
  position: fixed;
  top: 0; left: 0;
  z-index: 50;
  width: 22px; height: 22px;
  margin: -11px 0 0 -11px;
  pointer-events: none;
  mix-blend-mode: difference;
  opacity: 0;
  transition: transform 0.2s var(--ease), opacity 0.25s;
}
.cursor.is-on { opacity: 0.85; }
.cursor i {
  position: absolute; inset: 0;
  border: 1px solid rgba(236,231,220,0.9);
  border-radius: 50%;
}
.cursor.is-hover { transform: scale(1.55); opacity: 1; }
.cursor.is-hover i { border-color: var(--warm); }

/* ——— Loader ——— */
.loader {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: var(--void);
  display: grid;
  place-items: center;
  transition: opacity 0.9s var(--ease), visibility 0.9s;
}
.loader.is-done { opacity: 0; visibility: hidden; pointer-events: none; }
.loader__mark {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  width: 200px;
}
.loader__brand {
  font-family: var(--font-body);
  font-size: 15px;
  letter-spacing: 0.48em;
  padding-right: 0.48em;
  color: var(--ink);
}
.loader__line {
  display: block;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--warm), transparent);
  transform: scaleX(0);
  animation: loadline 1.4s var(--ease) infinite;
}
@keyframes loadline {
  0% { transform: scaleX(0.15); opacity: 0.3; }
  50% { transform: scaleX(1); opacity: 1; }
  100% { transform: scaleX(0.15); opacity: 0.3; }
}
.loader__meta {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.3em;
  color: var(--mist);
}

/* ——— Responsive ——— */
@media (max-width: 860px) {
  .edge { display: none; }
  .seq { min-height: 125vh; }
  .seq__stage,
  .seq__stage--credits,
  .seq--credits .seq__stage {
    grid-template-columns: 1fr;
    display: grid;
    gap: 16px;
    padding-left: 16px;
    padding-right: 16px;
  }
  .seq--credits .seq__stage {
    display: flex;
    flex-direction: column;
  }
  .seq__rail,
  .seq--credits .seq__rail {
    flex-direction: row;
    align-items: center;
    gap: 12px;
    max-width: none;
  }
  .seq__num { font-size: 1.6rem; }
  .seq__rail .seq__rule {
    width: 28px !important;
    height: 1px !important;
    min-height: 0 !important;
    background: var(--warm) !important;
    opacity: 0.75;
  }
  .seq__tag {
    writing-mode: horizontal-tb;
    transform: none;
  }
  .seq__title--hero { letter-spacing: 0.14em; font-size: clamp(2.6rem, 12vw, 3.6rem); }
  .seq__title { letter-spacing: 0.04em; font-size: clamp(1.75rem, 8.5vw, 2.4rem); }
  .seq__title--credits { font-size: clamp(1.7rem, 8vw, 2.2rem); letter-spacing: 0.06em; }
  .seq__copy,
  .seq__copy--hero,
  .credits {
    max-width: 100%;
    background: radial-gradient(
      140% 100% at 50% 60%,
      rgba(7, 9, 12, 0.7) 0%,
      rgba(7, 9, 12, 0.35) 55%,
      transparent 80%
    );
  }
  .credits__meta { grid-template-columns: 1fr; }
  .hero-facts { grid-template-columns: 1fr 1fr; }
  .data-table__row { grid-template-columns: 1fr; gap: 6px; }
  .scroll-hint { display: none; }
  .top__meta { font-size: 9px; gap: 8px; }
  .seq__title, .seq__thesis p, .seq__body p,
  .spec-list strong, .spec-list span,
  .steps strong, .steps span,
  .credits__txt strong, .credits__txt span {
    text-shadow: 0 0 24px rgba(7,9,12,0.95);
  }
  .seq__thesis p { letter-spacing: 0.04em; }
}

@media (prefers-reduced-motion: reduce) {
  .scroll-hint__line { animation: none; }
  .loader__line { animation: none; transform: scaleX(1); }
  .seq__copy,
  .credits,
  .seq__num,
  .seq__tag { opacity: 1 !important; transform: none !important; }
  .seq__rule { height: 48px !important; }
}

:focus-visible { outline: 1px solid var(--warm); outline-offset: 4px; }