/* ============================================================
   Fuza by iTEX — quiet-luxury single page
   Palette: ink charcoal, parchment ivory, brass accent
   ============================================================ */

@font-face {
  font-family: 'Noto Serif SC';
  src: local('Noto Serif SC');
}

:root {
  --ink: #171513;
  --ink-soft: #23201d;
  --ivory: #f6f2ea;
  --ivory-dim: #e9e2d4;
  --stone: #a89a86;
  --stone-dim: #6b6255;
  --brass: #b08d57;
  --brass-soft: #cbab78;
  --line: rgba(246, 242, 234, 0.14);
  --line-dark: rgba(23, 21, 19, 0.12);

  --serif: 'Cormorant Garamond', 'Noto Serif SC', 'Songti SC', serif;
  --sans: 'Neue Montreal', 'Helvetica Neue', Helvetica, Arial, sans-serif;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--ink);
  color: var(--ivory);
  font-family: var(--sans);
  font-weight: 300;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; }

a { color: inherit; }

.cjk {
  font-family: 'Noto Serif SC', 'Songti SC', 'PingFang SC', serif;
}

.eyebrow {
  font-size: 0.72rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--brass-soft);
  font-weight: 400;
}

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 6vw;
}

/* ---------------- Nav ---------------- */

.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.6rem 6vw;
  mix-blend-mode: difference;
  pointer-events: none;
}
.nav * { pointer-events: auto; }

.nav-mark {
  font-family: var(--serif);
  font-size: 1.15rem;
  letter-spacing: 0.06em;
  font-style: italic;
}

.nav-links {
  display: flex;
  gap: 2.4rem;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.nav-links a { text-decoration: none; opacity: 0.75; transition: opacity .3s; }
.nav-links a:hover { opacity: 1; }

@media (max-width: 720px) {
  .nav-links { display: none; }
}

/* ---------------- Reveal utility ---------------- */

.reveal { will-change: transform, opacity; }

/* ============================================================
   MOVEMENT 1 — FUZA
   ============================================================ */

.movement-fuza {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  background: var(--ink);
  overflow: hidden;
  padding: 8rem 6vw 6rem;
}

.fuza-texture-bg {
  position: absolute;
  inset: 0;
  background-image: url('images/fuza-hero-texture.jpg');
  background-size: cover;
  background-position: center;
  opacity: 0.16;
  filter: saturate(0.7);
}

.fuza-texture-veil {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(23,21,19,0.45) 0%, rgba(23,21,19,0.92) 72%, var(--ink) 100%);
}

.fuza-hero-inner {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.fuza-eyebrow {
  margin-bottom: 2.4rem;
}

.fuza-lockup {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 1.6rem;
  flex-wrap: wrap;
}

.fuza-word {
  font-family: var(--serif);
  font-weight: 400;
  font-style: italic;
  font-size: clamp(4.2rem, 13vw, 9.5rem);
  line-height: 0.95;
  letter-spacing: 0.01em;
  color: var(--ivory);
}

.fuza-hanzi {
  font-family: 'Noto Serif SC', 'Songti SC', serif;
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  color: var(--brass-soft);
  font-weight: 400;
  letter-spacing: 0.08em;
}

.fuza-tagline {
  margin-top: 2.6rem;
  max-width: 34ch;
  font-family: var(--serif);
  font-size: clamp(1.15rem, 2vw, 1.5rem);
  font-weight: 400;
  font-style: italic;
  line-height: 1.5;
  color: var(--ivory-dim);
}

.fuza-sub {
  margin-top: 1.8rem;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  color: var(--stone);
  text-transform: uppercase;
}

.scroll-cue {
  position: absolute;
  bottom: 3rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  z-index: 2;
  opacity: 0.6;
}
.scroll-cue-line {
  width: 1px;
  height: 42px;
  background: linear-gradient(to bottom, var(--brass-soft), transparent);
  animation: cue-fall 2.2s var(--ease) infinite;
}
@keyframes cue-fall {
  0% { transform: scaleY(0); transform-origin: top; opacity: 0; }
  40% { transform: scaleY(1); transform-origin: top; opacity: 1; }
  60% { transform: scaleY(1); transform-origin: bottom; opacity: 1; }
  100% { transform: scaleY(0); transform-origin: bottom; opacity: 0; }
}
.scroll-cue span {
  font-size: 0.62rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--stone);
}

/* ============================================================
   SHARED SECTION SCAFFOLDING
   ============================================================ */

section {
  position: relative;
}

.section-pad {
  padding: 9rem 6vw;
}

@media (max-width: 720px) {
  .section-pad { padding: 6rem 6vw; }
}

.section-head {
  max-width: 640px;
  margin: 0 auto 5rem;
  text-align: center;
}

.section-head h2 {
  font-family: var(--serif);
  font-weight: 400;
  font-style: italic;
  font-size: clamp(2.2rem, 4.6vw, 3.4rem);
  line-height: 1.15;
  margin: 0.8rem 0 0;
}

/* ============================================================
   MOVEMENT 2 — BUILT ON ITEX
   ============================================================ */

.movement-itex {
  background: var(--ivory);
  color: var(--ink);
}

.itex-transition {
  position: relative;
  height: 78vh;
  min-height: 520px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: var(--ink-soft);
  overflow: hidden;
}

.itex-transition-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 70%;
  opacity: 0.9;
  filter: brightness(1.1) contrast(1.05);
}

/* fades the hero (ink) into the image at the top, and the image into the
   ivory foundation at the bottom; the radial darkens behind the headline
   so the ivory type keeps contrast against the pale sky */
.itex-transition-veil {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 92% 58% at 50% 48%, rgba(20,18,16,0.72) 0%, rgba(20,18,16,0.34) 55%, rgba(20,18,16,0.1) 82%),
    linear-gradient(180deg, var(--ink) 0%, rgba(23,21,19,0.12) 24%, rgba(23,21,19,0.12) 66%, var(--ivory) 100%);
}

.itex-transition-inner {
  position: relative;
  z-index: 2;
  padding: 0 6vw;
}

.itex-transition-inner .eyebrow {
  color: var(--brass-soft);
  text-shadow: 0 1px 24px rgba(12, 10, 9, 0.55);
}

.itex-transition h2 {
  font-family: var(--serif);
  font-weight: 400;
  font-style: italic;
  font-size: clamp(2rem, 5vw, 3.6rem);
  color: var(--ivory);
  margin: 1rem 0 0;
  line-height: 1.2;
  text-shadow: 0 2px 34px rgba(12, 10, 9, 0.6);
}

.itex-transition h2 em {
  color: var(--brass-soft);
  font-style: italic;
}

/* --- scale story --- */

.scale-story {
  padding: 8rem 6vw 2rem;
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.scale-story p {
  font-family: var(--serif);
  font-size: clamp(1.3rem, 2.6vw, 1.85rem);
  line-height: 1.65;
  font-weight: 400;
  color: var(--ink-soft);
  margin: 0;
}

.scale-story .est {
  display: block;
  margin-top: 1.6rem;
  font-family: var(--sans);
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--stone-dim);
}

/* a quiet full-width pause — one line, generous dark space */
.pause-line {
  background: var(--ink);
  padding: clamp(10rem, 22vh, 15rem) 6vw;
  text-align: center;
}

.pause-line p {
  font-family: var(--serif);
  font-size: clamp(1.3rem, 2.6vw, 1.85rem);
  line-height: 1.65;
  font-weight: 400;
  color: var(--ivory);
  max-width: 900px;
  margin: 0 auto;
}

.stat-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
  margin: 5.5rem 0;
  background: var(--line-dark);
  border-top: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
}

.stat {
  background: var(--ivory);
  padding: 3rem 1.5rem;
  text-align: center;
}

.stat .num {
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  color: var(--ink);
  display: block;
  line-height: 1;
}

.stat .label {
  display: block;
  margin-top: 0.8rem;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--stone-dim);
}

@media (max-width: 860px) {
  .stat-row { grid-template-columns: repeat(2, 1fr); }
}

/* --- cinematic imagery band --- */

.image-band {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 2px;
  background: var(--line-dark);
}

.image-band figure {
  margin: 0;
  position: relative;
  overflow: hidden;
  aspect-ratio: 4/5;
}

.image-band.wide figure { aspect-ratio: 16/10; }

.image-band img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.06);
  transition: transform 1.4s var(--ease);
}

.image-band figure:hover img { transform: scale(1); }

.image-band figcaption {
  position: absolute;
  left: 1.4rem;
  bottom: 1.3rem;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ivory);
  background: rgba(23,21,19,0.55);
  padding: 0.4rem 0.8rem;
}

@media (max-width: 860px) {
  .image-band { grid-template-columns: 1fr; }
}

/* full-width cinematic band — an architectural breath closing the iTEX story */
.cinema-band {
  margin: 2px 0 0;
  position: relative;
  overflow: hidden;
  aspect-ratio: 21/9;
}

.cinema-band img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.06);
  transition: transform 1.8s var(--ease);
  filter: brightness(0.96);
}

.cinema-band:hover img { transform: scale(1); }

.cinema-band figcaption {
  position: absolute;
  left: 6vw;
  bottom: 1.6rem;
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ivory);
  background: rgba(23,21,19,0.55);
  padding: 0.4rem 0.8rem;
}

@media (max-width: 860px) {
  .cinema-band { aspect-ratio: 16/9; }
}

/* --- clients + certifications --- */

.trust-block {
  padding: 7rem 6vw;
  text-align: center;
  background: var(--ivory-dim);
}

.trust-label {
  margin-bottom: 2rem;
}

.brand-list {
  display: flex;
  justify-content: center;
  gap: clamp(2rem, 6vw, 5rem);
  flex-wrap: wrap;
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(1.4rem, 3vw, 2rem);
  color: var(--ink-soft);
  margin-bottom: 5rem;
}

.cert-list {
  display: flex;
  justify-content: center;
  gap: clamp(1.4rem, 4vw, 3rem);
  flex-wrap: wrap;
  padding-top: 3rem;
  border-top: 1px solid var(--line-dark);
}

.cert {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--stone-dim);
  padding: 0.5rem 0;
}

/* ============================================================
   MOVEMENT 3 — THE INVITATION
   ============================================================ */

.movement-invite {
  background: var(--ink);
  color: var(--ivory);
  position: relative;      /* containing block for its weave canvas */
  isolation: isolate;      /* scope the canvas's negative z-index inside this section */
}

.invite-intro {
  padding: 9rem 6vw 3rem;
  text-align: center;
}

.invite-intro .section-head h2 { color: var(--ivory); }

.invite-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3rem;
  max-width: 980px;
  margin: 0 auto;
  padding: 2rem 6vw 6rem;
}

.invite-feature {
  text-align: center;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  padding: 2.4rem 1.7rem 2.6rem;
  border-radius: 3px;
  background: transparent;
  transition: background-color 0.3s ease;
}

.invite-feature:focus-visible {
  outline: 1px solid var(--brass-soft);
  outline-offset: 0.4rem;
}

.invite-feature .mark {
  font-family: var(--serif);
  font-style: italic;
  font-size: 2.4rem;
  color: var(--brass-soft);
  display: block;
  margin-bottom: 1.2rem;
}

.invite-feature h3 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 1.3rem;
  margin: 0 0 0.8rem;
}

.invite-feature .feature-desc {
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--stone);
  margin: 0;
}

/* permanent affordance: a fine gold hairline with a + at its centre */
.feature-affordance {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-top: 1.5rem;
}

.feature-rule {
  flex: 1;
  height: 1px;
  background: rgba(176, 141, 87, 0.4);
  transition: background-color 0.3s ease;
}

.feature-glyph {
  position: relative;
  width: 11px;
  height: 11px;
  flex: none;
}

.feature-glyph::before,
.feature-glyph::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  background: var(--brass-soft);
  transform: translate(-50%, -50%);
  transition: transform 0.3s ease, background-color 0.3s ease;
}

.feature-glyph::before {   /* horizontal bar — always present */
  width: 11px;
  height: 1px;
}

.feature-glyph::after {    /* vertical bar — folds away to make a minus */
  width: 1px;
  height: 11px;
}

/* the detail unfolds below, additively — existing text never moves */
.feature-detail {
  display: grid;
  grid-template-rows: 0fr;
  opacity: 0;
  margin-top: 0;
  transition: grid-template-rows 0.3s ease, opacity 0.3s ease, margin-top 0.3s ease;
}

.feature-detail > p {
  overflow: hidden;
  min-height: 0;
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--ivory-dim);
}

/* shared open appearance — applied on hover (desktop) and .is-open (tap/keys) */
.invite-feature.is-open {
  background: #221c15;
}

.invite-feature.is-open .feature-rule {
  background: var(--brass);
}

.invite-feature.is-open .feature-glyph::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.invite-feature.is-open .feature-detail {
  grid-template-rows: 1fr;
  opacity: 1;
  margin-top: 1.1rem;
}

@media (hover: hover) {
  .invite-feature:hover {
    background: #221c15;
  }
  .invite-feature:hover .feature-rule {
    background: var(--brass);
  }
  .invite-feature:hover .feature-glyph::after {
    transform: translate(-50%, -50%) rotate(90deg);
  }
  .invite-feature:hover .feature-detail {
    grid-template-rows: 1fr;
    opacity: 1;
    margin-top: 1.1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .invite-feature,
  .feature-rule,
  .feature-glyph::before,
  .feature-glyph::after,
  .feature-detail {
    transition-duration: 0.01ms;
  }
}

@media (max-width: 780px) {
  .invite-features { grid-template-columns: 1fr; gap: 2rem; }
}

.atelier-band {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  background: rgba(246,242,234,0.08);
}

.atelier-band figure {
  margin: 0;
  aspect-ratio: 4/3;
  overflow: hidden;
  position: relative;
}

.atelier-band img {
  width: 100%; height: 100%; object-fit: cover;
  filter: brightness(0.92);
}

@media (max-width: 780px) {
  .atelier-band { grid-template-columns: 1fr; }
}

/* --- enquiry form --- */

.enquiry {
  padding: 8rem 6vw 10rem;
  max-width: 640px;
  margin: 0 auto;
}

.enquiry .section-head { margin-bottom: 4rem; }

.field {
  position: relative;
  margin-bottom: 2.6rem;
}

.field label {
  position: absolute;
  left: 0;
  top: 0.9rem;
  font-size: 1rem;
  color: var(--stone);
  pointer-events: none;
  transition: all 0.3s var(--ease);
}

.field input {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--line);
  color: var(--ivory);
  font-family: var(--sans);
  font-size: 1.05rem;
  font-weight: 300;
  padding: 0.9rem 0 0.7rem;
  outline: none;
  transition: border-color 0.3s;
}

.field input:focus {
  border-color: var(--brass-soft);
}

.field input:focus + label,
.field input:not(:placeholder-shown) + label {
  top: -0.9rem;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--brass-soft);
}

.submit-btn {
  margin-top: 1rem;
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
  background: none;
  border: 1px solid var(--brass-soft);
  color: var(--ivory);
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.15rem;
  padding: 0.95rem 2.4rem;
  cursor: pointer;
  transition: background 0.35s var(--ease), color 0.35s var(--ease);
}

.submit-btn:hover {
  background: var(--brass-soft);
  color: var(--ink);
}

.submit-btn svg {
  width: 16px; height: 16px;
  transition: transform 0.35s var(--ease);
}
.submit-btn:hover svg { transform: translateX(4px); }

.form-note {
  margin-top: 1.4rem;
  font-size: 0.78rem;
  color: var(--stone-dim);
}

.form-success {
  display: none;
  text-align: center;
  padding: 3rem 0;
}
.form-success.show { display: block; }
.form-success p:first-child {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.6rem;
  color: var(--brass-soft);
  margin-bottom: 0.6rem;
}
.form-success p:last-child {
  color: var(--stone);
  font-size: 0.95rem;
}

/* ---------------- Footer ---------------- */

footer {
  background: var(--ink);
  color: var(--stone-dim);
  padding: 3rem 6vw;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  border-top: 1px solid var(--line);
}

footer .foot-mark {
  font-family: var(--serif);
  font-style: italic;
  color: var(--stone);
}

@media (max-width: 720px) {
  .container, .section-pad { padding-left: 7vw; padding-right: 7vw; }
}

/* ============================================================
   Cursor-reactive woven-fabric hero background
   ============================================================ */
.weave-canvas {
  position: absolute;
  inset: 0;
  z-index: 1;                 /* hero: above texture-bg + veil (auto), below hero content (z-index 2) */
  width: 100%;
  height: 100%;
  pointer-events: none;       /* never intercepts clicks — content & form stay fully interactive */
}

/* invitation section has no veil layer — sit the weave just above the ink
   background and below all content, so text and the form read cleanly */
.movement-invite .weave-canvas {
  z-index: -1;
}

/* ============================================================
   Sample room overlay — 3D garment inspector (opened from 室)
   ============================================================ */
.sr-overlay {
  position: fixed; inset: 0; z-index: 400;
  background: #141110;
  opacity: 0;
  transition: opacity 0.6s ease;
}
.sr-overlay.open { opacity: 1; }
.sr-overlay[hidden] { display: none; }

.sr-stage { position: absolute; inset: 0; width: 100%; height: 100%; display: block; cursor: grab; }
.sr-stage.dragging { cursor: grabbing; }
.sr-stage.focused { cursor: pointer; }

.sr-vignette {
  position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(ellipse 90% 80% at 50% 42%, transparent 40%, rgba(10,8,7,0.55) 100%);
}

.sr-brand { position: absolute; top: 28px; left: 34px; pointer-events: none; }
.sr-mark { font-family: var(--serif); font-style: italic; font-size: 1.5rem; letter-spacing: 0.04em; color: var(--ivory); }
.sr-mark .cjk { font-style: normal; color: var(--brass-soft); font-size: 0.8em; margin-left: 0.45em; }
.sr-room {
  margin-top: 0.5rem;
  font-size: 0.62rem; letter-spacing: 0.32em; text-transform: uppercase;
  color: var(--stone);
}

.sr-close {
  position: absolute; top: 28px; right: 34px; z-index: 5;
  padding: 0.6rem 1.3rem;
  background: rgba(21,18,16,0.8);
  border: 1px solid rgba(246,242,234,0.22);
  color: var(--ivory-dim);
  font-family: var(--serif); font-style: italic; font-size: 0.95rem;
  cursor: pointer;
  transition: border-color 0.4s ease;
}
.sr-close:hover { border-color: var(--brass-soft); }

.sr-hint {
  position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%);
  pointer-events: none;
  font-size: 0.66rem; letter-spacing: 0.22em; text-transform: uppercase;
  color: rgba(246,242,234,0.34);
  white-space: nowrap;
  transition: opacity 0.9s ease;
}
.sr-hint.hidden { opacity: 0; }

.sr-marker {
  position: fixed; z-index: 410;
  width: 30px; height: 30px; margin: -15px 0 0 -15px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: opacity 0.5s ease;
}
.sr-marker .ring {
  position: absolute; inset: 4px; border-radius: 50%;
  border: 1px solid rgba(176,141,87,0.9);
  box-shadow: 0 0 0 1px rgba(23,21,19,0.4), 0 0 10px rgba(23,21,19,0.35), inset 0 0 6px rgba(23,21,19,0.25);
  transition: transform 0.45s cubic-bezier(0.22,1,0.36,1), border-color 0.45s ease;
}
.sr-marker .dot {
  width: 4px; height: 4px; border-radius: 50%;
  background: var(--brass);
  box-shadow: 0 0 0 1px rgba(23,21,19,0.45);
  transition: transform 0.45s ease;
}
.sr-marker:hover .ring { transform: scale(1.35); border-color: var(--brass); }
.sr-marker:hover .dot { transform: scale(1.6); }
.sr-marker.away { opacity: 0.14; pointer-events: none; }
.sr-marker.gone { opacity: 0; pointer-events: none; }

.sr-callout {
  position: absolute; right: 46px; top: 50%; transform: translateY(-50%) translateX(14px);
  z-index: 5; max-width: 300px;
  padding: 1.6rem 1.8rem 1.5rem;
  background: rgba(21,18,16,0.86);
  border: 1px solid rgba(246,242,234,0.10);
  backdrop-filter: blur(6px);
  opacity: 0; pointer-events: none;
  transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.22,1,0.36,1);
}
.sr-callout.show { opacity: 1; transform: translateY(-50%) translateX(0); }
.sr-co-eyebrow {
  font-size: 0.6rem; letter-spacing: 0.3em; text-transform: uppercase;
  color: var(--brass-soft); margin-bottom: 0.8rem;
}
.sr-co-title {
  font-family: var(--serif); font-style: italic; font-weight: 400;
  font-size: 1.45rem; line-height: 1.25; color: var(--ivory);
  margin-bottom: 0.65rem;
}
.sr-co-sub { font-size: 0.82rem; line-height: 1.65; color: var(--stone); }

.sr-back {
  position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%) translateY(8px);
  z-index: 5;
  padding: 0.65rem 1.5rem;
  background: rgba(21,18,16,0.8);
  border: 1px solid rgba(176,141,87,0.45);
  color: var(--ivory-dim);
  font-family: var(--serif); font-style: italic; font-size: 0.95rem;
  letter-spacing: 0.03em;
  cursor: pointer; opacity: 0; pointer-events: none;
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.22,1,0.36,1), border-color 0.4s ease;
}
.sr-back.show { opacity: 1; pointer-events: auto; transform: translateX(-50%) translateY(0); }
.sr-back:hover { border-color: var(--brass); }

.sr-badge {
  position: absolute; bottom: 14px; right: 16px; pointer-events: none;
  font: 10px/1.5 ui-monospace, Menlo, monospace; letter-spacing: 0.05em;
  color: rgba(246,242,234,0.30);
}

@media (max-width: 640px) {
  .sr-callout { right: 18px; left: 18px; top: auto; bottom: 92px; max-width: none; transform: translateY(12px); }
  .sr-callout.show { transform: translateY(0); }
  .sr-brand { top: 20px; left: 20px; }
  .sr-close { top: 20px; right: 20px; }
}

/* ============================================================
   Closing signature — scroll-stitched wordmark
   ============================================================ */
.signature {
  position: relative;
  height: 240vh;
  background: var(--ink);
}
.signature-stage {
  position: sticky; top: 0;
  height: 100vh;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
.signature-stage svg {
  width: min(780px, 84vw);
  height: auto;
}