/* ===========================================================================
   Yonov · Dental — type-as-canvas, 2026
   Each chapter has its own bespoke grid. No section template repetition.
   Cream + ink + terracotta · cinematic motion · cream-tinted glass.
   =========================================================================== */

/* ---------- tokens ---------- */
:root {
  --cream-50:   #FAF6EC;
  --cream-100:  #F4EFE6;
  --cream-200:  #ECE4D5;
  --cream-300:  #DCD1B8;
  --ivory:      #FBF7EE;
  --bone:       #EFE7D6;

  --ink-900:    #14110D;
  --ink-700:    #2C2620;
  --ink-500:    #5C5448;
  --ink-300:    #8F8676;

  --ember:      #B8503C;
  --ember-dim:  #8A3826;
  --ember-soft: #E9CFC4;

  --hairline:   rgba(20, 17, 13, 0.10);
  --hairline-2: rgba(20, 17, 13, 0.20);
  --hairline-3: rgba(20, 17, 13, 0.30);

  --glass-cream:   rgba(244, 239, 230, 0.55);
  --glass-ivory:   rgba(251, 247, 238, 0.72);
  --glass-deep:    rgba(236, 228, 213, 0.80);
  --glass-blur:    saturate(170%) blur(24px);
  --glass-blur-lg: saturate(180%) blur(40px);
  --glass-border:  rgba(20, 17, 13, 0.08);
  --glass-edge:    inset 0 1px 0 rgba(255, 252, 244, 0.70),
                   inset 0 -1px 0 rgba(20, 17, 13, 0.04);

  --font-sans:    'Inter Tight', 'Inter', system-ui, -apple-system, sans-serif;
  --font-display: 'Newsreader', 'Times New Roman', serif;
  --font-mono:    'JetBrains Mono', ui-monospace, 'Menlo', monospace;

  --pad-x: clamp(1.25rem, 5vw, 4rem);

  --ease-out:    cubic-bezier(.2,.7,.2,1);
  --ease-soft:   cubic-bezier(.32,.72,0,1);
}

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

html, body {
  margin: 0;
  padding: 0;
  background: var(--cream-100);
  color: var(--ink-900);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}
body { overflow-x: hidden; }

img, svg, canvas { display: block; max-width: 100%; }
button { font: inherit; color: inherit; cursor: pointer; background: none; border: none; padding: 0; }
a { color: inherit; text-decoration: none; }
ol, ul { list-style: none; padding: 0; margin: 0; }

::selection { background: var(--ember); color: var(--ivory); }

.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--ink-900); color: var(--ivory);
  padding: .5rem 1rem; z-index: 9999;
  font-family: var(--font-mono);
  font-size: .85rem;
}
.skip-link:focus { left: 1rem; top: 1rem; }

/* ============================== HEADER (only after hero) ============================== */
.floating-header {
  position: fixed;
  top: 1rem; right: 1rem;
  z-index: 50;
  display: flex;
  gap: .65rem;
  opacity: 0;
  transform: translateY(-12px);
  transition: opacity .5s var(--ease-out), transform .55s var(--ease-soft);
  pointer-events: none;
}
.floating-header.is-visible {
  opacity: 1;
  transform: none;
  pointer-events: auto;
}

.brand-tiny {
  width: 44px; height: 44px;
  display: grid; place-items: center;
  background: var(--glass-ivory);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: 50%;
  box-shadow: var(--glass-edge);
}
.brand-mark {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 300;
  font-size: 1.25rem;
  color: var(--ink-900);
  line-height: 1;
}

.menu-trigger {
  display: inline-flex;
  align-items: center;
  gap: .65rem;
  padding: .55rem 1rem .55rem 1.1rem;
  background: var(--glass-ivory);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: 999px;
  box-shadow: var(--glass-edge);
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-900);
  height: 44px;
}
.menu-glyph {
  position: relative;
  width: 18px; height: 10px;
}
.menu-glyph span {
  position: absolute; left: 0; right: 0;
  height: 1px; background: var(--ink-900);
}
.menu-glyph span:nth-child(1) { top: 2px; }
.menu-glyph span:nth-child(2) { top: 7px; }

/* ============================== MENU OVERLAY ============================== */
.menu-overlay {
  position: fixed;
  inset: 0;
  z-index: 60;
  pointer-events: none;
  opacity: 0;
  transition: opacity .4s var(--ease-out);
}
.menu-overlay.is-open {
  pointer-events: auto;
  opacity: 1;
}
.menu-bg {
  position: absolute; inset: 0;
  background: rgba(20, 17, 13, .35);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}
.menu-shell {
  position: absolute;
  top: 0; right: 0;
  height: 100vh;
  width: min(520px, 100vw);
  background: var(--glass-ivory);
  -webkit-backdrop-filter: var(--glass-blur-lg);
  backdrop-filter: var(--glass-blur-lg);
  border-left: 1px solid var(--glass-border);
  padding: 4.5rem 3rem 2.5rem;
  display: flex;
  flex-direction: column;
  transform: translateX(20px);
  transition: transform .55s var(--ease-soft);
  box-shadow: -30px 0 80px rgba(20, 17, 13, .12);
}
.menu-overlay.is-open .menu-shell { transform: none; }

.menu-close {
  position: absolute;
  top: 1.4rem; right: 1.4rem;
  width: 40px; height: 40px;
  display: grid; place-items: center;
  border: 1px solid var(--hairline-2);
  border-radius: 50%;
  background: var(--ivory);
  color: var(--ink-900);
  transition: transform .35s var(--ease-out), background .25s;
}
.menu-close:hover { transform: rotate(90deg); background: var(--ink-900); color: var(--ivory); }

.menu-list {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: .2rem;
  margin-top: 1rem;
}
.menu-list a {
  display: grid;
  grid-template-columns: 50px 1fr;
  gap: 1rem;
  align-items: baseline;
  padding: 1rem 0;
  border-bottom: 1px solid var(--hairline);
  transition: padding .4s var(--ease-soft), color .25s;
}
.menu-list a:hover { padding-left: .8rem; color: var(--ember); }
.menu-list .num {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .14em;
  color: var(--ink-300);
}
.menu-list .word {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(1.6rem, 3.2vw, 2.4rem);
  letter-spacing: -0.02em;
  line-height: 1;
}
.menu-meta {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .12em;
  color: var(--ink-500);
  margin: 1.5rem 0 0;
}

/* ============================== 01 · TYPE-AS-CANVAS HERO ============================== */
.type-canvas {
  position: relative;
  height: 220vh; /* the scroll length over which we scrub */
  background: var(--cream-100);
}
.type-stage {
  position: sticky;
  top: 0;
  height: 100vh;
  width: 100%;
  overflow: hidden;
  display: grid;
  place-items: center;
  background: var(--cream-100);
}

/* corners — tiny mono labels at four corners of the viewport */
.corner {
  position: absolute;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .14em;
  color: var(--ink-500);
  display: flex;
  flex-direction: column;
  gap: .25rem;
  text-transform: uppercase;
  z-index: 4;
  line-height: 1.2;
}
.corner-sub { color: var(--ink-300); font-size: .64rem; }
.corner-tl { top: 1.6rem; left: var(--pad-x); }
.corner-tr { top: 1.6rem; right: var(--pad-x); align-items: flex-end; }
.corner-bl { bottom: 1.6rem; left: var(--pad-x); }
.corner-br { bottom: 1.6rem; right: var(--pad-x); align-items: flex-end; }
.corner-arrow {
  font-size: 1.5rem;
  line-height: 1;
  margin-top: .35rem;
  animation: cueDown 2.4s cubic-bezier(.65,.05,.36,1) infinite;
  display: inline-block;
}
@keyframes cueDown {
  0%, 100% { transform: translateY(0); opacity: .5; }
  50%      { transform: translateY(8px); opacity: 1; }
}

/* the giant word — fills the screen */
.hero-word {
  position: relative;
  z-index: 2;
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 300;
  font-size: clamp(7rem, 26vw, 26rem);
  line-height: .85;
  letter-spacing: -0.04em;
  color: var(--ink-900);
  margin: 0;
  text-align: center;
  user-select: none;
  white-space: nowrap;
  will-change: transform, opacity, letter-spacing;
  transform-origin: 50% 50%;
}
.hero-word .ltr {
  display: inline-block;
  will-change: transform, opacity;
}

/* tagline below the word — barely there */
.hero-tag {
  position: absolute;
  bottom: 4.5rem;
  left: 0; right: 0;
  text-align: center;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(.95rem, 1.4vw, 1.15rem);
  color: var(--ink-500);
  margin: 0;
  letter-spacing: -0.005em;
  z-index: 3;
}
.hero-tag em { font-style: italic; color: var(--ink-900); }

/* ============================== CHAPTER FRAME (shared envelope, NOT shared layout) ============================== */
.chapter {
  position: relative;
  padding: clamp(8rem, 14vw, 14rem) var(--pad-x);
  /* each chapter is allowed to define its own grid via dedicated class below */
}
.chapter-num {
  position: absolute;
  top: 2.2rem;
  left: var(--pad-x);
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ink-300);
}
.chapter-num::before {
  content: "";
  display: inline-block;
  width: 22px; height: 1px;
  background: var(--ink-300);
  vertical-align: middle;
  margin-right: .7rem;
}

/* ============================== 02 · MANIFESTO (single column, prose) ============================== */
.manifesto {
  background: var(--cream-100);
  display: grid;
  place-items: center;
}
.prose {
  max-width: 56ch;
  margin: 0 auto;
  text-align: left;
  font-family: var(--font-display);
  font-weight: 300;
  color: var(--ink-900);
}
.prose p { margin: 0 0 1.6em; }
.prose-lead {
  font-size: clamp(1.7rem, 3.6vw, 2.8rem);
  line-height: 1.18;
  letter-spacing: -0.025em;
  margin-bottom: 2em !important;
}
.prose-lead em {
  font-style: italic;
  color: var(--ember);
}
.prose p:not(.prose-lead):not(.prose-sig) {
  font-size: clamp(1.05rem, 1.4vw, 1.25rem);
  line-height: 1.7;
  color: var(--ink-700);
  font-family: var(--font-sans);
  font-weight: 400;
  letter-spacing: 0;
}

.prose-sig {
  display: grid;
  grid-template-columns: 60px auto;
  align-items: center;
  gap: .35rem 1rem;
  margin-top: 3.5rem !important;
  font-family: var(--font-display);
}
.sig-rule {
  width: 100%;
  height: 1px;
  background: var(--ink-900);
  grid-row: span 2;
}
.sig-name {
  font-size: 1.5rem;
  font-weight: 300;
  letter-spacing: -0.02em;
  line-height: 1;
}
.sig-name em { font-style: italic; }
.sig-role {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-500);
}

/* ============================== 03 · ATELIER (asymmetric spread) ============================== */
.atelier {
  background: var(--cream-100);
  border-top: 1px solid var(--hairline);
}
.atelier-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(2rem, 6vw, 6rem);
  align-items: end;
  max-width: 1280px;
  margin: 0 auto;
}
.atelier-portrait {
  margin: 0;
  position: relative;
  aspect-ratio: 4 / 5;
  background: var(--cream-200);
  overflow: hidden;
}
.atelier-portrait::after {
  content: "";
  position: absolute;
  top: -10px; left: -10px;
  width: 36px; height: 36px;
  border-top: 1px solid var(--ink-900);
  border-left: 1px solid var(--ink-900);
}
.atelier-portrait::before {
  content: "";
  position: absolute;
  bottom: -10px; right: -10px;
  width: 36px; height: 36px;
  border-bottom: 1px solid var(--ink-900);
  border-right: 1px solid var(--ink-900);
}
.atelier-portrait .portrait-svg { width: 100%; height: 100%; }
.atelier-portrait figcaption {
  position: absolute;
  left: 1rem; bottom: 1rem;
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-500);
  background: var(--glass-ivory);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  padding: .45rem .75rem;
  border-radius: 999px;
}

.atelier-text { padding-bottom: 1rem; }

.atelier-quote {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(1.5rem, 3vw, 2.4rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--ink-900);
  margin: 0 0 2rem;
}
.atelier-quote em { font-style: italic; color: var(--ember); }

.atelier-bio {
  font-size: clamp(1rem, 1.2vw, 1.1rem);
  line-height: 1.7;
  color: var(--ink-700);
  margin: 0 0 2rem;
  max-width: 48ch;
}

.atelier-spec {
  border-top: 1px solid var(--ink-900);
}
.atelier-spec li {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 1rem;
  padding: .85rem 0;
  border-bottom: 1px solid var(--hairline);
  font-size: .92rem;
  align-items: baseline;
}
.atelier-spec li span:first-child {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-500);
}
.atelier-spec li span:last-child {
  color: var(--ink-900);
}

/* ============================== 04 · WORK (text list, opens 3D) ============================== */
.work {
  background: var(--cream-100);
  border-top: 1px solid var(--hairline);
}
.work-intro {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  line-height: 1.25;
  letter-spacing: -0.02em;
  max-width: 28ch;
  color: var(--ink-900);
  margin: 0 0 4rem;
}
.work-intro em { font-style: italic; color: var(--ember); }

.work-list {
  border-top: 1px solid var(--ink-900);
}
.work-item {
  display: grid;
  grid-template-columns: 56px auto 1fr auto;
  gap: 1.4rem;
  align-items: baseline;
  padding: 1.4rem 0;
  width: 100%;
  text-align: left;
  border-bottom: 1px solid var(--hairline);
  position: relative;
  transition: padding .55s var(--ease-soft);
}
.work-item:hover { padding-left: 1.2rem; padding-right: 1.2rem; }
.work-item::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--cream-200);
  z-index: -1;
  width: 0;
  transition: width .55s var(--ease-soft);
}
.work-item:hover::before { width: 100%; }

.work-num {
  font-family: var(--font-mono);
  font-size: .8rem;
  color: var(--ink-300);
  letter-spacing: .08em;
}
.work-title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(1.4rem, 2.6vw, 2.2rem);
  letter-spacing: -0.02em;
  line-height: 1.05;
  color: var(--ink-900);
  transition: color .35s;
}
.work-item:hover .work-title { color: var(--ember); font-style: italic; }
.work-meta {
  font-size: .92rem;
  color: var(--ink-500);
  line-height: 1.5;
}
.work-cue {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .14em;
  color: var(--ink-500);
  text-transform: uppercase;
  white-space: nowrap;
  transition: color .35s, transform .55s var(--ease-soft);
}
.work-item:hover .work-cue {
  color: var(--ember);
  transform: translateX(6px);
}

/* ============================== 05 · RHYTHM (process as stanza) ============================== */
.rhythm {
  background: var(--cream-100);
  border-top: 1px solid var(--hairline);
  text-align: center;
}
.stanza {
  max-width: 720px;
  margin: 0 auto;
  display: grid;
  gap: 3rem;
}
.stanza p {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(1.2rem, 2vw, 1.6rem);
  line-height: 1.5;
  letter-spacing: -0.015em;
  color: var(--ink-900);
  margin: 0;
}
.stanza-marker {
  font-style: italic;
  color: var(--ember);
  font-weight: 400;
}

/* ============================== 06 · CONTACT (huge phone) ============================== */
.contact {
  background: var(--cream-100);
  border-top: 1px solid var(--hairline);
  padding-bottom: clamp(6rem, 10vw, 10rem);
}
.contact-call {
  display: block;
  margin: 0 auto 5rem;
  max-width: 1200px;
  text-align: center;
  color: var(--ink-900);
  cursor: pointer;
  transition: color .35s;
}
.contact-call:hover { color: var(--ember); }
.contact-call-label {
  display: block;
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ink-500);
  margin-bottom: 1.5rem;
}
.contact-call-num {
  display: block;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(2.6rem, 9vw, 8rem);
  line-height: 0.95;
  letter-spacing: -0.04em;
  font-feature-settings: "tnum";
  white-space: nowrap;
}
.contact-call-num em {
  font-style: italic;
  color: var(--ember);
  font-weight: 300;
}

.contact-rows {
  max-width: 760px;
  margin: 0 auto;
  border-top: 1px solid var(--ink-900);
}
.contact-row {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 1.5rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--hairline);
  align-items: baseline;
}
.row-label {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-500);
}
.row-val {
  font-size: 1rem;
  color: var(--ink-900);
}
.row-val a:hover { color: var(--ember); }

/* ============================== FOOTER ============================== */
.footer {
  background: var(--cream-200);
  padding: 1.4rem var(--pad-x);
  border-top: 1px solid var(--hairline);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .12em;
  color: var(--ink-500);
  text-transform: uppercase;
}

/* ============================== STAGE OVERLAY (mini-game, glass) ============================== */
.stage-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  pointer-events: none;
  opacity: 0;
  transition: opacity .35s var(--ease-out);
}
.stage-overlay.is-open { opacity: 1; pointer-events: auto; }

.stage-overlay-bg {
  position: absolute; inset: 0;
  background: rgba(20, 17, 13, 0.32);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}

.stage-shell {
  position: absolute;
  inset: 3vh 4vw;
  display: grid;
  grid-template-columns: 280px 1fr 280px;
  gap: 1.2rem;
  background: var(--glass-ivory);
  -webkit-backdrop-filter: var(--glass-blur-lg);
  backdrop-filter: var(--glass-blur-lg);
  border: 1px solid var(--glass-border);
  border-radius: 22px;
  padding: 1.5rem;
  box-shadow: 0 40px 100px rgba(20,17,13,.18), var(--glass-edge);
  transform: translateY(20px) scale(.99);
  opacity: 0;
  transition: opacity .45s var(--ease-out), transform .55s var(--ease-soft);
}
.stage-overlay.is-open .stage-shell { transform: none; opacity: 1; }

.stage-close {
  position: absolute;
  top: 1.2rem; right: 1.2rem;
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--ivory);
  border: 1px solid var(--hairline-2);
  display: grid; place-items: center;
  z-index: 2;
  color: var(--ink-900);
  transition: background .25s, transform .35s var(--ease-out);
}
.stage-close:hover { background: var(--ink-900); color: var(--ivory); transform: rotate(90deg); }

.stage-side {
  padding: 1.5rem 1.2rem;
  display: flex;
  flex-direction: column;
  min-height: 0;
  gap: .8rem;
}
.stage-eyebrow {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-500);
  margin: 0 0 .8rem;
}
.stage-title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(1.4rem, 2.2vw, 1.9rem);
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--ink-900);
  margin: 0 0 .4rem;
}
.stage-sub {
  color: var(--ink-500);
  font-size: .92rem;
  margin: 0 0 1rem;
}

.stage-steps {
  display: flex;
  flex-direction: column;
  gap: .5rem;
  margin-top: 1rem;
  counter-reset: step;
}
.stage-steps li {
  display: flex; align-items: flex-start; gap: .7rem;
  padding: .6rem .8rem;
  border-radius: 12px;
  font-size: .85rem;
  color: var(--ink-500);
  border: 1px solid transparent;
}
.stage-steps li.is-active {
  background: var(--ivory);
  border-color: var(--hairline);
  color: var(--ink-900);
}
.stage-steps li::before {
  content: counter(step, decimal-leading-zero);
  counter-increment: step;
  font-family: var(--font-mono);
  font-size: .68rem;
  color: var(--ember);
  letter-spacing: .08em;
  flex-shrink: 0;
  margin-top: .15rem;
}

.stage-progress { margin-top: auto; padding-top: 1.2rem; }
.stage-progress .bar {
  height: 2px;
  background: var(--hairline-2);
  border-radius: 2px;
  overflow: hidden;
}
.stage-progress .bar > span {
  display: block;
  height: 100%;
  width: 0;
  background: var(--ember);
  transition: width .4s var(--ease-out);
}
.progress-label {
  font-family: var(--font-mono);
  font-size: .68rem;
  color: var(--ink-500);
  letter-spacing: .12em;
  margin: .6rem 0 0;
}

.stage-canvas-wrap {
  position: relative;
  background: var(--cream-100);
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid var(--hairline);
  min-height: 420px;
}
.stage-canvas-glow {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 50% 40%, rgba(255,248,235,.7), transparent 60%);
  pointer-events: none;
}
#stage-canvas { width: 100%; height: 100%; display: block; }
.stage-hint {
  position: absolute;
  bottom: 1rem; left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .12em;
  color: var(--ink-500);
  background: var(--glass-ivory);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  padding: .5rem .8rem;
  border-radius: 999px;
  margin: 0;
}

.ba-card {
  border: 1px solid var(--hairline);
  border-radius: 18px;
  padding: 1rem;
  background: var(--ivory);
}
.ba-row { display: grid; grid-template-columns: 1fr 1fr; gap: .8rem; }
.ba-cell {
  aspect-ratio: 1 / 1;
  border-radius: 12px;
  background: var(--cream-200);
  position: relative;
  display: grid; place-items: end start;
  padding: .6rem;
  font-family: var(--font-mono);
  font-size: .68rem;
  color: var(--ink-500);
  letter-spacing: .14em;
  text-transform: uppercase;
}
.stage-benefits {
  display: flex;
  flex-direction: column;
  gap: .55rem;
  font-size: .9rem;
  color: var(--ink-700);
}
.stage-benefits li {
  display: flex; align-items: flex-start; gap: .55rem;
}
.stage-benefits li::before { content: "—"; color: var(--ember); flex-shrink: 0; }

.stage-cta {
  display: flex;
  flex-direction: column;
  gap: .55rem;
  margin-top: auto;
}

/* small inline buttons inside the overlay */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: .85rem 1.2rem;
  border-radius: 999px;
  font-family: var(--font-sans);
  font-size: .85rem;
  font-weight: 500;
  transition: background .35s, color .35s, border-color .35s;
}
.btn-primary { background: var(--ink-900); color: var(--ivory); }
.btn-primary:hover { background: var(--ember); }
.btn-ghost {
  background: transparent;
  color: var(--ink-900);
  border: 1px solid var(--hairline-2);
}
.btn-ghost:hover { border-color: var(--ink-900); background: var(--ivory); }

/* ============================== REVEAL ============================== */
[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
}
[data-reveal].is-revealed {
  opacity: 1;
  transform: none;
  transition: opacity 1s var(--ease-out), transform 1s var(--ease-out);
}

/* ============================== RESPONSIVE ============================== */
@media (max-width: 900px) {
  .atelier-grid { grid-template-columns: 1fr; gap: 3rem; }
  .atelier-portrait { max-width: 360px; }

  .work-item { grid-template-columns: 36px auto auto; padding: 1.1rem 0; }
  .work-meta { display: none; }

  .contact-row { grid-template-columns: 1fr; gap: .35rem; }
  .menu-shell { width: 100vw; padding: 4.5rem 1.6rem 2rem; }

  .stage-shell { grid-template-columns: 1fr; inset: 1.5vh 1.5vw; padding: 1rem; overflow-y: auto; }
  .stage-canvas-wrap { min-height: 280px; }
}

@media (max-width: 640px) {
  .corner-bl, .corner-br { display: none; }
  .corner-tl, .corner-tr { font-size: .62rem; }
  .hero-tag { bottom: 2.5rem; padding: 0 1rem; }
  .hero-word { font-size: clamp(5rem, 28vw, 18rem); }
  .chapter { padding: 6rem var(--pad-x); }
  .chapter-num { top: 1.5rem; }
}

/* ============================== REDUCED MOTION ============================== */
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  [data-reveal] { opacity: 1; transform: none; }
  .corner-arrow { animation: none; }
}