:root {
  --paper: #f3f0e8;
  --paper-raised: #fbf9f4;
  --ink: #151512;
  --ink-soft: #5d5a52;
  --steel: #a8aaa5;
  --steel-dark: #464842;
  --bronze: #8a673b;
  --bronze-light: #d8c19c;
  --line: #cfc8ba;
  --error: #9d302b;
  --serif: "Cormorant Garamond", Georgia, "Times New Roman", serif;
  --sans: Pretendard, "Apple SD Gothic Neo", "Malgun Gothic", Arial, sans-serif;
  --label: Montserrat, Arial, sans-serif;
  --container: min(calc(100vw - 64px), 1520px);
  --header-height: 80px;
  --ease: cubic-bezier(.22, .61, .36, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header-height); }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.68;
  word-break: keep-all;
  overflow-wrap: break-word;
}
body.menu-open { overflow: hidden; }
img { display: block; max-width: 100%; height: auto; }
figure, p, h1, h2, h3, h4, dl, dd { margin: 0; }
a { color: inherit; }
button, select, textarea { color: inherit; font: inherit; }
button, a { touch-action: manipulation; }

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 8px;
  left: 8px;
  padding: 10px 14px;
  background: var(--paper-raised);
  color: var(--ink);
  transform: translateY(-160%);
}
.skip-link:focus { transform: translateY(0); }
:focus-visible { outline: 3px solid var(--bronze); outline-offset: 4px; }

.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  display: grid;
  grid-template-columns: minmax(160px, 1fr) auto;
  align-items: center;
  min-height: var(--header-height);
  padding: 0 max(32px, calc((100vw - 1520px) / 2));
  border-bottom: 1px solid rgba(21, 21, 18, .24);
  background: rgba(243, 240, 232, .96);
}
.wordmark {
  width: fit-content;
  font: 600 24px/1 var(--serif);
  letter-spacing: .2em;
  text-decoration: none;
}
.site-nav { display: flex; align-items: center; gap: clamp(22px, 2.6vw, 46px); }
.site-nav a {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font: 600 11px/1 var(--label);
  letter-spacing: .1em;
  text-decoration: none;
  text-transform: uppercase;
}
.site-nav a::after {
  position: absolute;
  right: 0;
  bottom: 6px;
  left: 0;
  height: 1px;
  background: currentColor;
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 220ms var(--ease);
}
.site-nav a:hover::after,
.site-nav a[aria-current="page"]::after { transform: scaleX(1); transform-origin: left; }
.site-nav .nav-secondary { color: var(--bronze); }
.menu-toggle {
  display: none;
  min-width: 48px;
  min-height: 48px;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
}
.menu-toggle span { display: block; }
.menu-label { font: 600 11px/1 var(--label); letter-spacing: .1em; }
.menu-lines { position: relative; width: 21px; height: 11px; margin-left: 10px; border-block: 1px solid currentColor; }

.eyebrow,
.index-label,
.state-label {
  font: 600 11px/1.35 var(--label);
  letter-spacing: .14em;
  text-transform: uppercase;
}
.eyebrow { color: var(--bronze); }
.state-label { width: fit-content; padding: 7px 10px; border: 1px solid currentColor; color: var(--bronze); }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 22px;
  border: 1px solid var(--ink);
  background: transparent;
  cursor: pointer;
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  transition: background 180ms ease, color 180ms ease, border-color 180ms ease;
}
.button-solid { background: var(--ink); color: var(--paper-raised); }
.button-solid:hover { background: var(--bronze); border-color: var(--bronze); }
.button-light { border-color: var(--paper-raised); background: var(--paper-raised); color: var(--ink); }
.button-light:hover { border-color: var(--bronze-light); background: var(--bronze-light); }
.text-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  border-bottom: 1px solid currentColor;
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
}
.text-link span { margin-left: 14px; transition: transform 180ms ease; }
.text-link:hover span { transform: translateX(4px); }

.hero {
  position: relative;
  min-height: calc(100svh - var(--header-height));
  overflow: hidden;
  background: var(--ink);
  color: var(--paper-raised);
}
.hero-media { position: absolute; inset: 0; }
.hero-media::after { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(9, 10, 9, .82) 0%, rgba(9, 10, 9, .5) 42%, rgba(9, 10, 9, .08) 72%); content: ""; }
.hero-media img { width: 100%; height: 100%; object-fit: cover; }
.hero-copy {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: calc(100svh - var(--header-height));
  width: var(--container);
  margin: 0 auto;
  padding: 84px 0 74px;
}
.hero .eyebrow { margin-bottom: 28px; color: var(--bronze-light); }
.hero h1 {
  max-width: 920px;
  font: 500 clamp(62px, 8vw, 132px)/.86 var(--serif);
  letter-spacing: -.045em;
}
.hero h1 .ko { display: block; margin-top: 18px; font: 500 clamp(32px, 4vw, 64px)/1.14 var(--sans); letter-spacing: -.06em; }
.hero-lead { max-width: 610px; margin-top: 34px; color: rgba(255,255,255,.76); font-size: clamp(16px, 1.5vw, 21px); }
.hero-actions { display: flex; align-items: center; gap: 28px; margin-top: 38px; }
.hero-note { position: absolute; right: 0; bottom: 80px; max-width: 240px; padding-top: 12px; border-top: 1px solid rgba(255,255,255,.45); color: rgba(255,255,255,.66); font-size: 12px; }

.section { width: var(--container); margin: 0 auto; padding-block: clamp(96px, 11vw, 176px); }
.section-head { display: grid; grid-template-columns: repeat(12, 1fr); gap: 24px; margin-bottom: clamp(48px, 6vw, 92px); }
.section-head .eyebrow { grid-column: 1 / 4; }
.section-head h2 { grid-column: 4 / 10; font: 500 clamp(44px, 5.5vw, 84px)/.98 var(--serif); letter-spacing: -.035em; }
.section-head > p:last-child { grid-column: 10 / -1; align-self: end; color: var(--ink-soft); font-size: 14px; }

.edition-index { display: grid; grid-template-columns: repeat(12, 1fr); gap: 24px; }
.edition-card { grid-column: span 4; }
.edition-card:nth-child(2) { margin-top: 96px; }
.edition-card figure { aspect-ratio: 4 / 5; overflow: hidden; background: var(--steel); }
.edition-card img { width: 100%; height: 100%; object-fit: cover; transition: transform 260ms var(--ease); }
.edition-card a:hover img { transform: scale(1.025); }
.edition-card a { text-decoration: none; }
.edition-caption { display: grid; grid-template-columns: 58px 1fr; gap: 14px; padding: 20px 0 0; border-top: 1px solid var(--ink); }
.edition-caption .index-label { color: var(--bronze); }
.edition-caption h3 { font: 500 clamp(30px, 3vw, 46px)/1 var(--serif); }
.edition-caption p { grid-column: 2; margin-top: 8px; color: var(--ink-soft); font-size: 13px; }
.edition-disclaimer { margin-top: 54px; padding-top: 18px; border-top: 1px solid var(--line); color: var(--ink-soft); font-size: 12px; text-align: right; }

.board-section { max-width: none; width: 100%; padding: 0; background: var(--ink); color: var(--paper-raised); }
.board-shell { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(380px, .7fr); min-height: 790px; }
.board-visual { position: relative; overflow: hidden; background: #282925; }
.board-visual img { width: 100%; height: 100%; object-fit: cover; transition: opacity 180ms ease; }
.board-stamp { position: absolute; top: 26px; left: 28px; padding: 7px 10px; border: 1px solid rgba(255,255,255,.54); background: rgba(21,21,18,.5); font: 600 10px/1 var(--label); letter-spacing: .12em; }
.board-panel { display: flex; flex-direction: column; justify-content: center; padding: clamp(42px, 6vw, 92px); }
.board-panel .eyebrow { color: var(--bronze-light); }
.board-panel h2 { margin-top: 24px; font: 500 clamp(46px, 5vw, 78px)/.92 var(--serif); }
.board-panel > p { margin-top: 24px; color: rgba(255,255,255,.62); font-size: 14px; }
.edition-tabs { display: grid; margin-top: 46px; border-top: 1px solid rgba(255,255,255,.24); }
.edition-tab {
  display: grid;
  grid-template-columns: 44px 1fr auto;
  align-items: center;
  min-height: 70px;
  padding: 0;
  border: 0;
  border-bottom: 1px solid rgba(255,255,255,.24);
  background: transparent;
  color: rgba(255,255,255,.58);
  cursor: pointer;
  text-align: left;
}
.edition-tab span:first-child { color: var(--bronze-light); font: 500 12px var(--label); }
.edition-tab b { font: 500 23px var(--serif); }
.edition-tab span:last-child { font-size: 12px; }
.edition-tab[aria-selected="true"] { color: var(--paper-raised); }
.edition-tab[aria-selected="true"] span:last-child::before { content: "SELECTED · "; color: var(--bronze-light); }
.board-spec { display: grid; margin-top: 42px; border-top: 1px solid rgba(255,255,255,.24); }
.board-spec div { display: grid; grid-template-columns: 96px 1fr; gap: 16px; padding: 13px 0; border-bottom: 1px solid rgba(255,255,255,.14); }
.board-spec dt { color: var(--bronze-light); font: 600 10px/1.5 var(--label); letter-spacing: .08em; }
.board-spec dd { color: rgba(255,255,255,.78); font-size: 13px; }

.material-teaser { display: grid; grid-template-columns: repeat(12, 1fr); gap: 24px; }
.material-intro { grid-column: 1 / 5; }
.material-intro h2 { margin: 24px 0 28px; font: 500 clamp(46px, 5vw, 76px)/.96 var(--serif); }
.material-intro p { color: var(--ink-soft); font-size: 14px; }
.material-rows { grid-column: 6 / -1; border-top: 1px solid var(--ink); }
.material-row { display: grid; grid-template-columns: 74px minmax(130px, .7fr) 1.3fr; gap: 24px; padding: 28px 0; border-bottom: 1px solid var(--line); }
.material-row .index-label { color: var(--bronze); }
.material-row h3 { font: 500 clamp(24px, 2.6vw, 36px)/1.1 var(--serif); }
.material-row p { color: var(--ink-soft); font-size: 13px; }
.material-intro .text-link { margin-top: 32px; }

.dark-band { max-width: none; width: 100%; padding: 0; background: var(--steel-dark); color: var(--paper-raised); }
.dark-band-inner { display: grid; grid-template-columns: repeat(12, 1fr); gap: 24px; width: var(--container); margin: 0 auto; padding-block: clamp(92px, 10vw, 154px); }
.dark-band-copy { grid-column: 1 / 7; }
.dark-band-copy .eyebrow { color: var(--bronze-light); }
.dark-band-copy h2 { margin: 24px 0 30px; font: 500 clamp(48px, 6vw, 92px)/.93 var(--serif); }
.dark-band-copy p { max-width: 600px; color: rgba(255,255,255,.66); }
.dark-band-copy .text-link { margin-top: 34px; }
.dark-band-list { grid-column: 8 / -1; align-self: end; border-top: 1px solid rgba(255,255,255,.28); }
.dark-band-list div { display: grid; grid-template-columns: 50px 1fr; gap: 18px; padding: 22px 0; border-bottom: 1px solid rgba(255,255,255,.22); }
.dark-band-list dt { color: var(--bronze-light); font: 500 12px var(--label); }
.dark-band-list dd { font-size: 14px; }

.studio-statement { display: grid; grid-template-columns: repeat(12, 1fr); gap: 24px; }
.studio-statement .eyebrow { grid-column: 1 / 4; }
.studio-statement blockquote { grid-column: 4 / -1; font: 500 clamp(48px, 6.2vw, 96px)/.95 var(--serif); letter-spacing: -.035em; }
.studio-statement footer { grid-column: 8 / -1; margin-top: 26px; padding-top: 18px; border-top: 1px solid var(--line); color: var(--ink-soft); font-size: 13px; }

.prelaunch-band { display: grid; grid-template-columns: 1fr auto; gap: 40px; align-items: end; max-width: none; width: 100%; padding: clamp(64px, 8vw, 112px) max(32px, calc((100vw - 1520px) / 2)); background: var(--bronze); }
.prelaunch-band h2 { max-width: 880px; margin-top: 18px; font: 500 clamp(42px, 5.4vw, 82px)/.95 var(--serif); }
.prelaunch-band p { max-width: 650px; margin-top: 20px; color: rgba(21,21,18,.72); }

.page-hero { display: grid; grid-template-columns: repeat(12, 1fr); gap: 24px; width: var(--container); margin: 0 auto; padding: clamp(86px, 10vw, 150px) 0 clamp(70px, 8vw, 124px); }
.page-hero .eyebrow { grid-column: 1 / 4; }
.page-hero h1 { grid-column: 4 / -1; font: 500 clamp(64px, 8.5vw, 132px)/.84 var(--serif); letter-spacing: -.05em; }
.page-hero .page-lead { grid-column: 7 / -1; max-width: 680px; margin-top: 34px; color: var(--ink-soft); font-size: clamp(16px, 1.5vw, 20px); }
.page-hero .state-label { grid-column: 4 / 7; margin-top: 34px; }

.full-bleed-image { width: 100%; max-height: 900px; overflow: hidden; background: var(--steel); }
.full-bleed-image img { width: 100%; height: min(72vw, 900px); object-fit: cover; }

.collection-detail { display: grid; grid-template-columns: repeat(12, 1fr); gap: 24px; width: var(--container); margin: 0 auto; padding-block: clamp(92px, 10vw, 154px); border-bottom: 1px solid var(--line); }
.collection-detail .collection-number { grid-column: 1 / 2; color: var(--bronze); font: 500 13px var(--label); }
.collection-detail .collection-title { grid-column: 2 / 6; }
.collection-detail h2 { font: 500 clamp(48px, 5.5vw, 84px)/.92 var(--serif); }
.collection-detail .collection-summary { margin-top: 22px; color: var(--ink-soft); }
.collection-detail figure { grid-column: 7 / -1; }
.collection-detail figure img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.collection-spec { grid-column: 2 / 6; margin-top: 52px; border-top: 1px solid var(--ink); }
.collection-spec div { display: grid; grid-template-columns: 100px 1fr; padding: 14px 0; border-bottom: 1px solid var(--line); }
.collection-spec dt { color: var(--bronze); font: 600 10px/1.5 var(--label); }
.collection-spec dd { font-size: 13px; }

.notice { width: var(--container); margin: 0 auto 96px; padding: 24px; border-left: 3px solid var(--bronze); background: var(--paper-raised); color: var(--ink-soft); font-size: 14px; }
.notice strong { color: var(--ink); }

.index-table { width: var(--container); margin: 0 auto; padding-bottom: clamp(96px, 10vw, 160px); }
.index-row { display: grid; grid-template-columns: 90px 1fr 1.2fr 130px; gap: 24px; padding: 30px 0; border-top: 1px solid var(--line); }
.index-row:first-child { border-color: var(--ink); }
.index-row .index-label { color: var(--bronze); }
.index-row h2 { font: 500 clamp(28px, 3vw, 42px)/1 var(--serif); }
.index-row p { color: var(--ink-soft); font-size: 13px; }
.index-row .state { justify-self: end; font-size: 12px; font-weight: 700; }

.showroom-steps { width: var(--container); margin: 0 auto; padding-bottom: clamp(96px, 10vw, 160px); }
.showroom-step { display: grid; grid-template-columns: 1fr 1fr; min-height: 520px; border-top: 1px solid var(--ink); }
.showroom-step:nth-child(even) .showroom-step-copy { order: 2; }
.showroom-step-copy { display: flex; flex-direction: column; justify-content: space-between; padding: 42px clamp(24px, 5vw, 72px) 42px 0; }
.showroom-step:nth-child(even) .showroom-step-copy { padding-right: 0; padding-left: clamp(24px, 5vw, 72px); }
.showroom-step h2 { margin-top: 24px; font: 500 clamp(44px, 5vw, 76px)/.95 var(--serif); }
.showroom-step p { max-width: 520px; color: var(--ink-soft); }
.showroom-step figure { overflow: hidden; background: var(--steel); }
.showroom-step img { width: 100%; height: 100%; object-fit: cover; }

.principle-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 24px; width: var(--container); margin: 0 auto; padding-bottom: clamp(96px, 10vw, 160px); }
.principle-grid article { grid-column: span 4; min-height: 360px; padding: 28px 0; border-top: 1px solid var(--ink); }
.principle-grid h2 { margin: 92px 0 20px; font: 500 clamp(30px, 3vw, 44px)/1 var(--serif); }
.principle-grid p { color: var(--ink-soft); font-size: 14px; }

.visit-grid { display: grid; grid-template-columns: .82fr 1.18fr; gap: 24px; width: var(--container); margin: 0 auto; padding-bottom: clamp(96px, 10vw, 160px); }
.visit-grid > div, .visit-summary { padding: clamp(28px, 4vw, 58px); background: var(--paper-raised); }
.visit-grid h2 { margin: 10px 0 22px; font: 500 clamp(34px, 4vw, 58px)/.98 var(--serif); }
.visit-grid p { color: var(--ink-soft); }
.field-stack { display: grid; gap: 18px; margin-top: 38px; }
.field-stack label, .visit-summary label { display: grid; gap: 8px; color: var(--ink-soft); font-size: 12px; font-weight: 700; letter-spacing: .02em; }
.field-stack input, .field-stack select, .field-stack textarea, .visit-summary textarea { width: 100%; min-height: 48px; padding: 13px 14px; border: 1px solid var(--line); border-radius: 0; background: var(--paper); color: var(--ink); font: inherit; }
.field-stack textarea, .visit-summary textarea { resize: vertical; }
.visit-summary { align-self: start; background: #fff; }
.visit-summary .button { width: 100%; margin-top: 14px; }
.visit-summary .helper { margin-top: 12px; font-size: 12px; }
.visit-summary .text-link { margin-top: 18px; }
.visit-terms, .screening-panel { padding: clamp(28px, 4vw, 58px); background: var(--paper-raised); }
.visit-terms h2, .screening-panel > h2 { margin-bottom: 24px; font: 500 clamp(30px, 3vw, 44px)/1 var(--serif); }
.visit-terms h3 { margin: 44px 0 12px; font-size: 15px; }
.visit-terms ul { margin: 0; padding: 0; list-style: none; }
.visit-terms li { padding: 13px 0; border-top: 1px solid var(--line); }
.visit-terms li::before { margin-right: 10px; content: "—"; color: var(--bronze); }
.visit-terms p { color: var(--ink-soft); font-size: 14px; }
.screening-panel { background: #fff; }
.screening-group { display: grid; grid-template-columns: 130px 1fr; gap: 18px; align-items: center; margin: 0; padding: 15px 0; border: 0; border-top: 1px solid var(--line); }
.screening-group legend { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.screening-group::before { color: var(--ink-soft); font-size: 13px; }
.screening-group:nth-of-type(1)::before { content: "거주 지역"; }
.screening-group:nth-of-type(2)::before { content: "예상 시기"; }
.screening-group:nth-of-type(3)::before { content: "결정 참여"; }
.screening-group:nth-of-type(4)::before { content: "가장 큰 고민"; }
.screening-group select { width: 100%; min-height: 48px; padding: 0 36px 0 12px; border: 1px solid var(--line); border-radius: 0; background: var(--paper); cursor: pointer; }
.summary-label { display: block; margin: 30px 0 10px; font-size: 13px; font-weight: 700; }
#application-summary { width: 100%; padding: 16px; border: 1px solid var(--line); border-radius: 0; background: var(--paper); font-size: 14px; line-height: 1.65; resize: vertical; }
.button-full { width: 100%; margin-top: 14px; }
.copy-status { min-height: 24px; margin-top: 10px; color: var(--ink-soft); font-size: 12px; }
.kakao-fallback { display: inline-flex; align-items: center; min-height: 44px; margin-top: 8px; font-size: 13px; }

.site-footer { display: grid; grid-template-columns: 1.2fr .8fr .8fr; gap: 48px; padding: 76px max(32px, calc((100vw - 1520px) / 2)) 34px; background: var(--ink); color: var(--paper-raised); }
.site-footer .wordmark { color: var(--paper-raised); }
.footer-note { max-width: 430px; margin-top: 24px; color: rgba(255,255,255,.54); font-size: 13px; }
.footer-col { display: flex; flex-direction: column; align-items: flex-start; gap: 4px; }
.footer-col b { margin-bottom: 14px; color: var(--bronze-light); font: 600 10px var(--label); letter-spacing: .1em; }
.footer-col a { display: inline-flex; align-items: center; min-height: 38px; color: rgba(255,255,255,.72); font-size: 13px; text-decoration: none; }
.footer-legal { grid-column: 1 / -1; margin-top: 32px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.16); color: rgba(255,255,255,.42); font-size: 11px; }

.mobile-collection-link { display: none; }

@media (max-width: 1024px) {
  :root { --container: min(calc(100vw - 48px), 940px); }
  .site-header { padding-inline: 24px; }
  .section-head h2 { grid-column: 4 / 9; }
  .section-head > p:last-child { grid-column: 9 / -1; }
  .board-shell { grid-template-columns: 1fr 430px; min-height: 700px; }
  .edition-card:nth-child(2) { margin-top: 56px; }
  .page-hero h1 { grid-column: 3 / -1; }
  .page-hero .state-label { grid-column: 3 / 6; }
  .page-hero .page-lead { grid-column: 6 / -1; }
}

@media (max-width: 768px) {
  :root { --container: calc(100vw - 40px); --header-height: 64px; }
  body { padding-bottom: 68px; font-size: 16px; }
  .site-header { grid-template-columns: 1fr auto; min-height: var(--header-height); padding-inline: 20px; }
  .wordmark { font-size: 20px; }
  .menu-toggle { display: inline-flex; align-items: center; justify-content: flex-end; }
  .site-nav {
    position: fixed;
    z-index: 90;
    inset: var(--header-height) 0 0;
    display: grid;
    align-content: start;
    gap: 0;
    padding: 26px 20px;
    background: var(--paper);
    transform: translateX(100%);
    visibility: hidden;
    transition: transform 240ms var(--ease), visibility 240ms;
  }
  .site-nav.is-open { transform: translateX(0); visibility: visible; }
  .site-nav a { min-height: 58px; border-bottom: 1px solid var(--line); font-size: 13px; }
  .site-nav a::after { display: none; }
  .hero, .hero-copy { min-height: calc(100svh - var(--header-height)); }
  .hero-copy { justify-content: flex-end; padding: 68px 0 42px; }
  .hero-media::after { background: linear-gradient(0deg, rgba(8,9,8,.9) 0%, rgba(8,9,8,.46) 58%, rgba(8,9,8,.08) 100%); }
  .hero h1 { font-size: clamp(56px, 19vw, 82px); }
  .hero h1 .ko { margin-top: 12px; font-size: clamp(28px, 8.4vw, 42px); }
  .hero-lead { max-width: 95%; margin-top: 24px; font-size: 16px; }
  .hero-actions { align-items: stretch; flex-direction: column; gap: 10px; margin-top: 28px; }
  .hero-actions .text-link { width: fit-content; }
  .hero-note { display: none; }
  .section { padding-block: 92px; }
  .section-head { grid-template-columns: 1fr; gap: 20px; margin-bottom: 48px; }
  .section-head .eyebrow, .section-head h2, .section-head > p:last-child { grid-column: auto; }
  .section-head h2 { font-size: clamp(44px, 13vw, 60px); }
  .edition-index { grid-template-columns: 1fr; gap: 54px; }
  .edition-card, .edition-card:nth-child(2) { grid-column: auto; margin-top: 0; }
  .edition-card figure { aspect-ratio: 1 / 1.16; }
  .edition-caption { grid-template-columns: 48px 1fr; }
  .edition-disclaimer { text-align: left; }
  .board-shell { grid-template-columns: 1fr; min-height: 0; }
  .board-visual { aspect-ratio: 1 / 1.05; }
  .board-panel { padding: 52px 20px 70px; }
  .edition-tab { grid-template-columns: 38px 1fr; }
  .edition-tab span:last-child { grid-column: 2; padding-bottom: 12px; }
  .material-teaser { grid-template-columns: 1fr; }
  .material-intro, .material-rows { grid-column: auto; }
  .material-rows { margin-top: 46px; }
  .material-row { grid-template-columns: 52px 1fr; gap: 12px; }
  .material-row p { grid-column: 2; }
  .dark-band-inner { grid-template-columns: 1fr; gap: 58px; padding-block: 86px; }
  .dark-band-copy, .dark-band-list { grid-column: auto; }
  .studio-statement { grid-template-columns: 1fr; }
  .studio-statement .eyebrow, .studio-statement blockquote, .studio-statement footer { grid-column: auto; }
  .studio-statement blockquote { font-size: clamp(46px, 13vw, 66px); }
  .prelaunch-band { grid-template-columns: 1fr; align-items: start; padding-inline: 20px; }
  .page-hero { grid-template-columns: 1fr; gap: 18px; padding-block: 76px 64px; }
  .page-hero .eyebrow, .page-hero h1, .page-hero .page-lead, .page-hero .state-label { grid-column: auto; }
  .page-hero h1 { font-size: clamp(64px, 20vw, 92px); }
  .full-bleed-image img { height: 78vw; min-height: 360px; }
  .collection-detail { grid-template-columns: 42px 1fr; gap: 14px; padding-block: 84px; }
  .collection-detail .collection-number { grid-column: 1; }
  .collection-detail .collection-title, .collection-spec { grid-column: 2; }
  .collection-detail figure { grid-column: 1 / -1; margin-top: 42px; }
  .collection-spec { margin-top: 36px; }
  .index-row { grid-template-columns: 52px 1fr; gap: 12px; }
  .index-row p, .index-row .state { grid-column: 2; justify-self: start; }
  .showroom-step { grid-template-columns: 1fr; min-height: 0; }
  .showroom-step:nth-child(even) .showroom-step-copy { order: initial; }
  .showroom-step-copy, .showroom-step:nth-child(even) .showroom-step-copy { min-height: 390px; padding: 34px 0 44px; }
  .showroom-step figure { min-height: 360px; }
  .principle-grid { grid-template-columns: 1fr; }
  .principle-grid article { grid-column: auto; min-height: 290px; }
  .principle-grid h2 { margin-top: 64px; }
  .visit-grid { grid-template-columns: 1fr; }
  .visit-terms, .screening-panel { padding: 30px 20px; }
  .screening-group { grid-template-columns: 1fr; gap: 6px; }
  .site-footer { grid-template-columns: 1fr 1fr; padding: 62px 20px 28px; }
  .site-footer > div:first-child { grid-column: 1 / -1; }
  .mobile-collection-link { position: fixed; z-index: 80; right: 10px; bottom: 8px; left: 10px; display: flex; align-items: center; justify-content: center; min-height: 52px; background: var(--ink); color: var(--paper-raised); font-size: 13px; font-weight: 700; text-decoration: none; }
}

@media (max-width: 420px) {
  .hero h1 { font-size: 55px; }
  .hero h1 .ko { font-size: 29px; }
  .edition-caption h3 { font-size: 34px; }
  .board-spec div { grid-template-columns: 82px 1fr; }
  .site-footer { grid-template-columns: 1fr; }
  .site-footer > div:first-child, .footer-legal { grid-column: auto; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}