/* Hallmark · v2.0.0 · theme: custom (by request: README §四 "Hallmark Floor", Warm Timber & Architectural Craft tokens, Noto Serif TC + Noto Sans TC) · genre: editorial · job: book a free on-site measure · shape: timber catalog, one long page of the trade's own content · hero: split, words + carpenter drawing left, real completed-floor photo right · nav: sticky bar, wordmark + six anchors + call and LINE · footer: dark timber mast, links over both stores · signature: the floor cross-section and space selector in the estimator */
/* Hallmark · pre-emit critique: P4 H4 E4 S4 R4 V4 · weakest: S, a long single page; carried by alternating canvas, oak and walnut grounds and by real swatches and site photos instead of more words */
/* waive 46a: counts shown (swatches, cases, services) are computed from the live data, never typed in */
/* waive palette-cream: --bg-canvas #f6f3ee is the client's named paper colour (README §四) */

:root {
  /* README §四 tokens */
  --bg-canvas: #f6f3ee;
  --bg-surface: #ece6dc;
  --bg-elevated: #ffffff;
  --bg-timber-dark: #231c16;
  --text-primary: #1f1914;
  --text-secondary: #574b40;
  --accent-primary: #8c4a27;
  --accent-forest: #2d4a3e;
  --border-subtle: #dcd3c6;

  /* planner aliases */
  --bg: #f6f3ee;
  --surface: #ede7dd;
  --ink: #231b14;
  --accent: #8c5828;
  --accent-soft: #2e4a36;

  /* tints and shades of the above (illustration wood tones, states, dark-ground inks) */
  --wood-light: #d9b98f;
  --wood-mid: #b98250;
  --accent-deep: #723b1e;
  --forest-deep: #213a30;
  --border-field: #8a7c6e;
  --on-dark: #f6f3ee;
  --on-dark-muted: #cdbfae;
  --panel-dark: #2f261e;
  --line-dark: #4a3d32;
  --scrim: color-mix(in srgb, var(--bg-timber-dark) 78%, transparent);

  /* type */
  --font-serif: "Noto Serif TC", "Songti TC", "PMingLiU", serif;
  --font-sans: "Noto Sans TC", "PingFang TC", "Heiti TC", "Microsoft JhengHei", sans-serif;
  --fs-display: clamp(2.25rem, 1.2rem + 3.4vw, 4rem);
  --fs-title: clamp(2.25rem, 1.2rem + 3.4vw, 4.125rem);
  --fs-h2: clamp(1.75rem, 1.2rem + 1.8vw, 2.625rem);
  --fs-h3: 1.375rem;
  --fs-h4: 1.25rem;
  --fs-lead: 1.125rem;
  --fs-body: 1rem;
  --fs-small: 0.875rem;

  /* space and shape */
  --gutter: clamp(20px, 4vw, 48px);
  --container: 1200px;
  --section-y: clamp(72px, 9vw, 128px);
  --header-h: 72px;
  --r-control: 12px;
  --r-panel: 16px;
  --r-media: 12px;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---------- base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html, body { overflow-x: clip; }
html {
  scroll-behavior: smooth;
  scroll-padding-block-start: calc(var(--header-h) + 16px);
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scrollbar-color: var(--wood-mid) var(--bg-surface);
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: 1.75;
  caret-color: var(--accent-primary);
}
::selection { background: var(--wood-light); color: var(--ink); }
img { max-width: 100%; height: auto; display: block; }
svg.illo { display: block; width: 100%; height: auto; }
h1, h2, h3, h4 {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 700;
  color: var(--ink);
  line-height: 1.3;
  text-wrap: balance;
  overflow-wrap: break-word;
  min-width: 0;
}
p { margin: 0; text-wrap: pretty; }
ul, ol { margin: 0; padding: 0; }
dl, dd, figure { margin: 0; }
a { color: var(--accent-primary); text-decoration-thickness: from-font; text-underline-offset: 0.22em; }
a:hover { color: var(--accent-deep); }
button, input, select, textarea { font: inherit; color: inherit; }
:focus-visible { outline: 3px solid var(--accent-primary); outline-offset: 2px; }
main:focus { outline: none; }
.tabnum, .price-num, .budget-value, .phone-num, .rating-num, .fact-num { font-variant-numeric: tabular-nums; }

.wrap { width: min(var(--container), 100% - 2 * var(--gutter)); margin-inline: auto; }
.section { padding-block: var(--section-y); }
.visually-hidden, .hp {
  position: absolute !important;
  width: 1px; height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.skip-link {
  position: absolute;
  inset-inline-start: 16px;
  inset-block-start: -80px;
  z-index: 100;
  display: inline-flex;
  align-items: center;
  min-height: 46px;
  padding: 0 18px;
  border-radius: var(--r-control);
  background: var(--ink);
  color: var(--bg-canvas);
  font-weight: 700;
  text-decoration: none;
}
.skip-link:focus { inset-block-start: 12px; color: var(--bg-canvas); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 0 20px;
  border: 1.5px solid transparent;
  border-radius: var(--r-control);
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  font-weight: 500;
  line-height: 1.3;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.18s var(--ease-out), color 0.18s var(--ease-out), border-color 0.18s var(--ease-out), transform 0.12s var(--ease-out);
}
.btn:active { transform: translateY(1px); }
.btn-lg { min-height: 52px; padding: 0 24px; font-weight: 700; }
.btn-primary { background: var(--accent-primary); color: var(--bg-elevated); }
.btn-primary:hover { background: var(--accent-deep); color: var(--bg-elevated); }
.btn-secondary { background: transparent; color: var(--accent-primary); border-color: var(--accent-primary); }
.btn-secondary:hover { background: color-mix(in srgb, var(--accent-primary) 8%, transparent); color: var(--accent-deep); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--border-field); }
.btn-ghost:hover { background: var(--bg-surface); color: var(--ink); }
.btn-forest { background: var(--accent-forest); color: var(--bg-elevated); }
.btn-forest:hover { background: var(--forest-deep); color: var(--bg-elevated); }
.btn-quiet { background: var(--bg-surface); color: var(--ink); }
.btn-quiet:hover { background: var(--border-subtle); color: var(--ink); }
.btn-light { background: var(--bg-canvas); color: var(--ink); }
.btn-light:hover { background: var(--bg-surface); color: var(--ink); }
.btn-ghost-dark { background: transparent; color: var(--on-dark); border-color: var(--on-dark-muted); }
.btn-ghost-dark:hover { background: var(--panel-dark); color: var(--on-dark); }
.btn[disabled], .btn[aria-disabled="true"] { opacity: 0.55; cursor: not-allowed; }

/* ---------- header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--bg-canvas);
}
.header-bar { display: flex; align-items: center; gap: 20px; min-height: var(--header-h); position: relative; }
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-height: 46px;
  color: var(--ink);
  text-decoration: none;
  border-radius: var(--r-control);
  flex: none;
}
.brand:hover { color: var(--ink); }
.brand-mark { flex: none; width: 40px; height: 40px; }
.mk-bg { fill: var(--bg-timber-dark); }
.mk-1 { fill: var(--wood-light); }
.mk-2 { fill: var(--wood-mid); }
.mk-3 { fill: var(--accent-primary); }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-name { font-family: var(--font-serif); font-weight: 700; font-size: var(--fs-h4); }
.brand-en { font-size: var(--fs-small); letter-spacing: 0.08em; color: var(--text-secondary); }
.site-menu { display: flex; align-items: center; gap: 16px; margin-inline-start: auto; }
.nav-list { display: flex; list-style: none; gap: 2px; }
.nav-link {
  display: inline-flex;
  align-items: center;
  min-height: 46px;
  padding: 0 12px;
  border-radius: var(--r-control);
  color: var(--ink);
  font-size: 0.9375rem;
  font-weight: 500;
  text-decoration: none;
  white-space: nowrap;
}
.nav-link:hover { background: var(--bg-surface); color: var(--ink); }
.header-actions { display: flex; gap: 8px; }
.header-actions .btn { white-space: nowrap; }
.menu-toggle { display: none; }
.menu-icon { position: relative; width: 18px; height: 12px; border-block: 2px solid currentColor; }
.menu-icon::before { content: ""; position: absolute; inset-inline: 0; top: 3px; height: 2px; background: currentColor; }
.menu-toggle[aria-expanded="true"] .menu-icon { border-color: transparent; }
.menu-toggle[aria-expanded="true"] .menu-icon::before { transform: rotate(45deg); }
.menu-toggle[aria-expanded="true"] .menu-icon::after { content: ""; position: absolute; inset-inline: 0; top: 3px; height: 2px; background: currentColor; transform: rotate(-45deg); }

@media (max-width: 1199px) {
  .js .menu-toggle { display: inline-flex; margin-inline-start: auto; padding: 0 16px; }
  .js .site-menu {
    display: none;
    position: absolute;
    inset-inline: calc(-1 * var(--gutter));
    top: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 16px;
    padding: 12px var(--gutter) 24px;
    background: var(--bg-surface);
    max-height: calc(100dvh - var(--header-h));
    overflow-y: auto;
  }
  .js .site-menu.is-open { display: flex; }
  .js .nav-list { flex-direction: column; gap: 4px; }
  .js .nav-link { min-height: 48px; font-size: var(--fs-body); }
  .js .nav-link:hover { background: var(--bg-canvas); }
  .js .header-actions { flex-wrap: wrap; }
  .js .header-actions .btn { flex: 1 1 200px; }
  .no-js .header-bar { flex-wrap: wrap; padding-block: 8px; }
  .no-js .site-menu { flex-wrap: wrap; margin-inline-start: 0; width: 100%; }
  .no-js .nav-list { flex-wrap: wrap; }
}

/* ---------- section heads ---------- */
.section-head { max-width: 760px; margin-block-end: clamp(32px, 4vw, 56px); }
.section-head h2 { font-size: var(--fs-h2); line-height: 1.25; }
.section-lead { margin-block-start: 16px; font-size: var(--fs-lead); line-height: 1.8; color: var(--text-secondary); max-width: 40em; }
.section-head-split { max-width: none; display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 24px 48px; }
.section-head-split > div:first-child { max-width: 620px; }
.no-js-label { display: none; }

/* ---------- hero ---------- */
.hero { padding-block: clamp(24px, 4vw, 48px) clamp(56px, 7vw, 96px); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(32px, 4.5vw, 64px); align-items: stretch; }
.hero-copy { display: flex; flex-direction: column; min-width: 0; }
.hero-title { font-size: var(--fs-display); line-height: 1.15; letter-spacing: -0.01em; padding-block-start: clamp(8px, 2vw, 24px); }
.title-part { display: inline-block; }
.hero-lead { margin-block-start: 20px; font-size: var(--fs-lead); line-height: 1.8; color: var(--text-secondary); max-width: 30em; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-block-start: 28px; }
.hero-illo { margin-block-start: auto; padding-block-start: 28px; max-width: 360px; }
.hero-photo { display: flex; flex-direction: column; min-width: 0; }
.hero-img { flex: 1 1 auto; width: 100%; min-height: 0; height: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: var(--r-panel); background: var(--bg-surface); }
.hero-photo figcaption { margin-block-start: 12px; font-size: var(--fs-small); color: var(--text-secondary); }
.hero-photo figcaption a { color: var(--ink); }

@media (max-width: 959px) {
  .hero-grid { grid-template-columns: minmax(0, 1fr); }
  .hero-illo { max-width: 300px; margin-block-start: 0; }
  .hero-img { height: auto; }
}
@media (min-width: 600px) and (max-width: 959px) {
  .hero-copy { display: grid; grid-template-columns: minmax(0, 1fr) 220px; column-gap: 32px; align-items: start; }
  .hero-copy > :not(.hero-illo) { grid-column: 1; }
  .hero-illo { grid-column: 2; grid-row: 1 / span 3; align-self: center; padding-block-start: 0; }
}
@media (max-width: 599px) {
  .hero-actions .btn { flex: 1 1 100%; }
  .hero-illo { max-width: 220px; padding-block-start: 24px; }
}

/* ---------- story ---------- */
.story { padding-block-start: clamp(24px, 4vw, 48px); }
.story-grid { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: clamp(32px, 5vw, 80px); align-items: start; }
.story-copy h2 { font-size: var(--fs-h2); line-height: 1.25; }
.story-text { margin-block-start: 24px; font-size: var(--fs-lead); line-height: 1.95; max-width: 34em; }
.facts { list-style: none; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; margin-block-start: 40px; max-width: 34em; }
.facts li { display: flex; flex-direction: column; }
.fact-label { font-size: var(--fs-small); color: var(--text-secondary); }
.fact-num { font-family: var(--font-serif); font-size: var(--fs-h2); font-weight: 700; line-height: 1.2; color: var(--accent-primary); }
.story-stores { background: var(--bg-surface); border-radius: var(--r-panel); padding: clamp(20px, 3vw, 32px); display: grid; gap: 20px; }
.story-illo { max-width: 320px; }
.store-teasers { list-style: none; display: grid; gap: 16px; }
.store-teaser-name { font-family: var(--font-serif); font-weight: 700; font-size: var(--fs-h4); display: flex; align-items: baseline; gap: 10px; }
.store-teaser-region { font-family: var(--font-sans); font-weight: 500; font-size: var(--fs-small); color: var(--accent-forest); }
.store-teaser-line { color: var(--text-secondary); }
.story-stores .btn { justify-self: start; }
@media (max-width: 899px) {
  .story-grid { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 479px) {
  .facts { gap: 12px; }
  .fact-num { font-size: 1.75rem; }
}

/* ---------- chips and tabs ---------- */
.chip, .tab {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 46px;
  padding: 0 16px;
  border: 2px solid transparent;
  border-radius: var(--r-control);
  background: var(--bg-canvas);
  color: var(--ink);
  font-size: var(--fs-body);
  font-weight: 500;
  line-height: 1.3;
  cursor: pointer;
  text-align: start;
  transition: background-color 0.18s var(--ease-out), border-color 0.18s var(--ease-out), color 0.18s var(--ease-out);
}
.chip:hover, .tab:hover { background: var(--bg-elevated); }
.chip[aria-pressed="true"] { background: var(--wood-light); border-color: var(--accent-primary); }
.tab[aria-selected="true"] { background: var(--ink); color: var(--bg-canvas); }
.tabs { display: flex; flex-wrap: wrap; gap: 8px; }
.products .tab { background: var(--bg-surface); }
.products .tab:hover { background: var(--border-subtle); }
.products .tab[aria-selected="true"] { background: var(--ink); }
.tab-count { font-size: var(--fs-small); color: inherit; opacity: 0.8; }
.chip-count { font-size: var(--fs-small); color: var(--text-secondary); }

/* ---------- calculator ---------- */
.calc { background: var(--surface); }
.calc-grid {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  grid-template-areas: "space structure" "budget budget";
  gap: 24px;
}
.calc-block { background: var(--bg-elevated); border-radius: var(--r-panel); padding: clamp(20px, 3vw, 32px); min-width: 0; }
.calc-space { grid-area: space; }
.calc-structure { grid-area: structure; }
.calc-budget { grid-area: budget; display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 20px 48px; align-items: center; }
.calc-budget .calc-step { grid-column: 1 / -1; }
.calc-step { font-size: var(--fs-h3); margin-block-end: 20px; }
.calc-budget .calc-step { margin-block-end: 0; }
.chip-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.chip-space { flex-direction: column; align-items: stretch; gap: 8px; min-height: 72px; padding: 8px 8px 12px; background: var(--bg-canvas); }
.chip-illo { width: 100%; max-width: 132px; margin-inline: auto; }
.chip-text { display: flex; flex-direction: column; min-width: 0; padding-inline: 4px; }
.chip-name { font-weight: 700; }
.chip-need { font-size: var(--fs-small); color: var(--text-secondary); line-height: 1.45; }
.chip-space[aria-pressed="true"] .chip-need { color: var(--ink); }
.rec-list { margin-block-start: 20px; }
.rec { background: var(--bg-canvas); border-radius: var(--r-panel); padding: 20px; }
.rec + .rec { margin-block-start: 12px; }
.rec-title { font-family: var(--font-serif); font-weight: 700; font-size: var(--fs-h4); }
.rec-dl { display: grid; gap: 10px; margin-block-start: 12px; }
.rec-dl > div { display: grid; grid-template-columns: 5.5em minmax(0, 1fr); gap: 12px; }
.rec-dl dt { font-size: var(--fs-small); color: var(--text-secondary); padding-block-start: 2px; }
.rec-dl dd a { display: inline-flex; align-items: center; min-height: 44px; font-weight: 700; border-radius: var(--r-control); }
.rec-dl > div:first-child dd { display: flex; flex-wrap: wrap; align-items: center; gap: 0 12px; }
.rec-alt { display: inline-flex; flex-wrap: wrap; align-items: center; gap: 0 4px; font-size: var(--fs-small); color: var(--text-secondary); }
.rec-alt a { font-weight: 500; }
.rec-dl > div:first-child dt { align-self: center; }
.structure-panel { margin-block-start: 20px; }
.structure-illo { background: var(--bg-canvas); border-radius: var(--r-panel); padding: clamp(12px, 2vw, 24px); }
.structure-illo .illo { max-width: 520px; margin-inline: auto; }
.structure-info { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; margin-block-start: 20px; }
.mini-title { font-size: var(--fs-small); color: var(--text-secondary); margin-block-end: 10px; }
.legend { list-style: none; display: grid; gap: 8px; }
.legend li { display: flex; align-items: center; gap: 10px; line-height: 1.45; }
.legend-chip { flex: none; width: 18px; height: 18px; border-radius: 4px; background: var(--chip); border: 2px solid var(--text-primary); }
.ratings { display: grid; gap: 10px; }
.rating { display: grid; grid-template-columns: 5em minmax(0, 1fr); gap: 12px; align-items: center; }
.rating dt { font-size: var(--fs-small); color: var(--text-secondary); }
.rating dd { display: flex; align-items: center; gap: 10px; }
.bar { display: flex; gap: 4px; flex: 1 1 auto; max-width: 160px; }
.seg { flex: 1; height: 10px; border-radius: 3px; background: var(--border-subtle); }
.seg.on { background: var(--accent-primary); }
.rating-num { font-size: var(--fs-small); color: var(--text-secondary); white-space: nowrap; }
.budget-row { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 16px; align-items: end; }
.budget-row .field-inline:last-child { grid-column: 1 / -1; }
.field-inline { display: grid; gap: 6px; }
.field-inline label { font-size: var(--fs-small); color: var(--text-secondary); font-weight: 500; }
.field-inline input, .field-inline select { width: 100%; }
.budget-box .field-inline input { width: 9em; }
.budget-out { min-width: 0; }
.budget-label { color: var(--text-secondary); }
.budget-value { font-family: var(--font-serif); font-weight: 700; font-size: var(--fs-h2); line-height: 1.25; color: var(--accent-primary); margin-block: 0 6px; overflow-wrap: anywhere; }
.budget-note { font-size: var(--fs-small); color: var(--text-secondary); }
.calc-budget [data-calc-apply] { grid-column: 2; justify-self: start; }

@media (max-width: 1023px) {
  .calc-grid { grid-template-columns: minmax(0, 1fr); grid-template-areas: "space" "structure" "budget"; }
  .calc-budget { grid-template-columns: minmax(0, 1fr); }
  .calc-budget [data-calc-apply] { grid-column: 1; }
}
@media (max-width: 599px) {
  .chip-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .structure-info { grid-template-columns: minmax(0, 1fr); }
  .calc-budget [data-calc-apply] { width: 100%; }
  .field-inline input, .field-inline select { width: 100%; min-width: 0; }
}

/* ---------- forms ---------- */
input[type="text"], input[type="tel"], input[type="number"], input:not([type]), select, textarea {
  width: 100%;
  min-height: 46px;
  padding: 10px 14px;
  border: 1.5px solid var(--border-field);
  border-radius: var(--r-control);
  background: var(--bg-elevated);
  color: var(--text-primary);
  font-size: 1rem;
  line-height: 1.5;
}
textarea { min-height: 120px; resize: vertical; }
input:focus-visible, select:focus-visible, textarea:focus-visible { outline: 3px solid var(--accent-primary); outline-offset: 1px; border-color: var(--accent-primary); }
input::placeholder, textarea::placeholder { color: var(--text-secondary); opacity: 0.85; }
[aria-invalid="true"] { border-color: var(--accent-primary); background: color-mix(in srgb, var(--accent-primary) 5%, var(--bg-elevated)); }

/* ---------- products ---------- */
.series-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  column-gap: 20px;
  row-gap: 0;
}
.series-card {
  grid-row: span 12;
  display: grid;
  grid-template-rows: subgrid;
  row-gap: 0;
  background: var(--bg-elevated);
  border-radius: var(--r-panel);
  padding: 16px 20px 24px;
  margin-block-end: 20px;
  min-width: 0;
}
.series-img { width: 100%; aspect-ratio: 436 / 272; object-fit: cover; border-radius: 10px; }
.series-name { font-size: var(--fs-h3); margin-block-start: 18px; }
.series-sub { margin-block-start: 6px; font-size: var(--fs-small); color: var(--text-secondary); line-height: 1.6; }
.series-price { margin-block-start: 16px; display: flex; flex-direction: column; }
.series-price .price-num { font-family: var(--font-serif); font-weight: 700; font-size: var(--fs-h3); color: var(--accent-primary); line-height: 1.3; }
.price-unit { font-size: var(--fs-small); color: var(--text-secondary); }
.series-dl { grid-row: span 7; display: grid; grid-template-rows: subgrid; row-gap: 0; margin-block-start: 8px; }
.series-dl > div { padding-block: 10px; }
.series-dl dt { font-size: var(--fs-small); color: var(--text-secondary); }
.series-dl dd { line-height: 1.6; }
.series-card > .btn { margin-block-start: 16px; align-self: end; justify-self: stretch; }
@media (max-width: 1099px) { .series-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 599px) {
  .series-grid { grid-template-columns: minmax(0, 1fr); }
  .series-dl > div { display: grid; grid-template-columns: 5.5em minmax(0, 1fr); gap: 12px; padding-block: 6px; }
  .series-dl dt { padding-block-start: 2px; }
}

.swatches { margin-block-start: clamp(56px, 7vw, 104px); }
.swatches-head { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 8px 32px; margin-block-end: 20px; }
.swatches-title { font-size: var(--fs-h3); }
.swatches-hint { color: var(--text-secondary); }
.swatch-panel { margin-block-start: 20px; }
.swatch-grid { list-style: none; display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 14px; }
.swatch-grid-lg { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); margin-block-start: 32px; }
.swatch {
  display: block;
  padding: 8px 8px 10px;
  border-radius: var(--r-control);
  background: var(--bg-elevated);
  color: var(--ink);
  text-decoration: none;
  border: 2px solid transparent;
  transition: border-color 0.18s var(--ease-out), background-color 0.18s var(--ease-out);
}
.swatch:hover { border-color: var(--wood-mid); color: var(--ink); }
.swatch[aria-current="true"] { border-color: var(--accent-primary); background: var(--wood-light); }
.swatch-img { width: 100%; aspect-ratio: 436 / 272; object-fit: cover; border-radius: 8px; background: var(--bg-surface); }
.swatch-label { display: block; margin-block-start: 8px; font-size: var(--fs-small); font-weight: 500; line-height: 1.4; }

/* dialogs */
dialog { border: 0; padding: 0; color: var(--text-primary); }
dialog::backdrop { background: var(--scrim); }
.swatch-dialog { width: min(880px, 100% - 32px); max-height: calc(100dvh - 32px); border-radius: var(--r-panel); background: var(--bg-elevated); }
.swatch-dialog-inner { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: 28px; padding: 24px; }
.swatch-dialog-media img { width: 100%; border-radius: var(--r-media); aspect-ratio: 436 / 272; object-fit: cover; }
.swatch-dialog-body { display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.swatch-dialog-series { font-size: var(--fs-small); color: var(--text-secondary); }
.swatch-dialog-title { font-size: var(--fs-h3); }
.swatch-dialog-spec { color: var(--text-secondary); }
.swatch-dialog-actions { display: grid; gap: 10px; margin-block-start: auto; padding-block-start: 16px; }
@media (max-width: 679px) { .swatch-dialog-inner { grid-template-columns: minmax(0, 1fr); padding: 16px; } }

.lightbox { width: min(1120px, 100% - 24px); max-height: calc(100dvh - 24px); border-radius: var(--r-panel); background: var(--bg-timber-dark); color: var(--on-dark); }
.lightbox-frame { padding: 16px; display: grid; gap: 12px; }
.lightbox-media { display: grid; place-items: center; min-height: 200px; }
.lightbox-media img { width: auto; max-width: 100%; max-height: calc(100dvh - 190px); object-fit: contain; border-radius: var(--r-media); }
.lightbox-caption { margin-block-start: 10px; text-align: center; color: var(--on-dark-muted); font-size: var(--fs-small); }
.lightbox-bar { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 8px 12px; }
.lightbox-count { min-width: 5em; text-align: center; color: var(--on-dark-muted); font-variant-numeric: tabular-nums; }

/* ---------- craft (dark) ---------- */
.craft { background: var(--bg-timber-dark); color: var(--on-dark); }
.craft h2, .craft h3 { color: var(--on-dark); }
.craft .section-lead { color: var(--on-dark-muted); }
.craft :focus-visible { outline-color: var(--wood-light); }
.method-grid { list-style: none; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(20px, 3vw, 40px); }
.method-illo { background: var(--bg-canvas); border-radius: var(--r-panel); padding: 12px; }
.method-figure figcaption { margin-block-start: 20px; }
.method-name { font-size: var(--fs-h3); margin-block-end: 12px; }
.craft .legend li { color: var(--on-dark-muted); }
.craft .legend-chip { border-color: var(--on-dark); }
.table-wrap { margin-block-start: clamp(48px, 6vw, 80px); }
.method-table { width: 100%; border-collapse: collapse; text-align: start; }
.method-table th, .method-table td { padding: 18px 16px; vertical-align: top; text-align: start; border-bottom: 1px solid var(--line-dark); line-height: 1.7; }
.method-table thead th { font-size: var(--fs-small); font-weight: 500; color: var(--on-dark-muted); padding-block: 12px; }
.method-table tbody th { font-family: var(--font-serif); font-size: var(--fs-h4); color: var(--on-dark); white-space: nowrap; }
.method-table td { color: var(--on-dark); }
@media (max-width: 959px) {
  .method-grid { grid-template-columns: minmax(0, 1fr); max-width: 520px; }
  .method-table thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
  .method-table, .method-table tbody, .method-table tr, .method-table th, .method-table td { display: block; }
  .method-table tr { background: var(--panel-dark); border-radius: var(--r-panel); padding: 20px; margin-block-end: 12px; }
  .method-table th, .method-table td { border: 0; padding: 0; }
  .method-table tbody th { margin-block-end: 12px; }
  .method-table td { display: grid; grid-template-columns: 7em minmax(0, 1fr); gap: 12px; padding-block: 6px; }
  .method-table td::before { content: attr(data-label); font-size: var(--fs-small); color: var(--on-dark-muted); }
}
@media (max-width: 479px) {
  .method-table td { grid-template-columns: minmax(0, 1fr); gap: 2px; }
}

/* ---------- cases ---------- */
.filter-bar { display: flex; flex-wrap: wrap; gap: 8px; }
.chip-filter { background: var(--bg-surface); padding: 0 14px 0 10px; }
.chip-filter[data-filter="all"] { padding-inline-start: 16px; }
.chip-icon { width: 30px; flex: none; }
.case-grid { list-style: none; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 32px 20px; }
.case-grid-related { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.case-grid-related.is-single { grid-template-columns: minmax(0, 1fr); }
.case-grid-related.is-single .case-link { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: 20px 40px; align-items: center; }
.case-grid-related.is-single .case-body { padding-block-start: 0; }
.case-grid-related.is-single .case-title { font-size: var(--fs-h3); }
.case-grid-related.is-single .case-summary { font-size: var(--fs-body); -webkit-line-clamp: 4; }
.case-card[hidden] { display: none; }
.case-article { height: 100%; }
.case-link { display: block; height: 100%; color: var(--ink); text-decoration: none; border-radius: var(--r-control); }
.case-link:hover { color: var(--ink); }
.case-media { overflow: hidden; border-radius: var(--r-media); background: var(--bg-surface); }
.case-img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; transition: transform 0.4s var(--ease-out); }
.case-link:hover .case-img { transform: scale(1.03); }
.case-body { padding-block-start: 14px; }
.case-title { font-size: var(--fs-h4); line-height: 1.4; }
.case-link:hover .case-title { text-decoration: underline; text-decoration-color: var(--accent-primary); text-underline-offset: 0.22em; }
.case-meta { display: flex; flex-wrap: wrap; gap: 2px 14px; margin-block-start: 6px; font-size: var(--fs-small); color: var(--text-secondary); }
.case-summary { margin-block-start: 8px; font-size: var(--fs-small); line-height: 1.7; color: var(--text-primary); display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 2; overflow: hidden; }
@media (max-width: 1199px) {
  .case-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .case-grid:not(.case-grid-related) > .case-card:first-child { grid-column: 1 / -1; }
  .case-grid:not(.case-grid-related) > .case-card:first-child .case-link { display: grid; grid-template-columns: minmax(0, 2fr) minmax(0, 1fr); gap: 24px; align-items: center; }
  .case-grid:not(.case-grid-related) > .case-card:first-child .case-body { padding-block-start: 0; }
}
@media (max-width: 899px) {
  .case-grid, .case-grid-related { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .case-grid-related.is-single { grid-template-columns: minmax(0, 1fr); }
  .case-grid:not(.case-grid-related) > .case-card:first-child .case-link { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
}
@media (max-width: 599px) {
  .case-grid, .case-grid-related { grid-template-columns: minmax(0, 1fr); gap: 20px; }
  .case-link, .case-grid:not(.case-grid-related) > .case-card:first-child .case-link { display: grid; grid-template-columns: 116px minmax(0, 1fr); gap: 14px; align-items: start; }
  .case-img { aspect-ratio: 1; }
  .case-body { padding-block-start: 0; }
  .case-title { font-size: var(--fs-lead); }
}

/* ---------- services ---------- */
.services { background: var(--surface); }
.steps { list-style: none; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 24px; }
.step-illo { background: var(--bg-elevated); border-radius: var(--r-panel); padding: 8px; }
.step-num { margin-block-start: 16px; font-size: var(--fs-small); font-weight: 700; color: var(--accent-primary); }
.step-title { margin-block-start: 4px; font-size: var(--fs-h4); line-height: 1.4; }
.step-detail { margin-block-start: 8px; font-size: var(--fs-small); line-height: 1.75; color: var(--text-primary); }
.service-block { margin-block-start: clamp(56px, 7vw, 96px); display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: 32px 48px; align-items: start; }
.service-title { font-size: var(--fs-h3); }
.service-illo { margin-block-start: 20px; max-width: 320px; }
.service-list { list-style: none; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 4px 24px; }
.service-list li { display: flex; align-items: center; gap: 12px; min-height: 56px; font-family: var(--font-serif); font-size: var(--fs-h4); font-weight: 600; color: var(--ink); }
.service-list li::before { content: ""; flex: none; width: 14px; height: 6px; border-radius: 2px; background: var(--wood-mid); }
@media (max-width: 1099px) {
  .steps { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .service-block { grid-template-columns: minmax(0, 1fr); }
  .service-head { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
  .service-illo { margin-block-start: 0; max-width: 260px; }
}
@media (max-width: 699px) {
  .steps { grid-template-columns: minmax(0, 1fr); gap: 20px; }
  .step { display: grid; grid-template-columns: 120px minmax(0, 1fr); gap: 0 16px; }
  .step-illo { grid-row: span 3; align-self: start; }
  .step-num { margin-block-start: 0; }
  .service-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .service-list li { font-size: var(--fs-lead); min-height: 48px; }
  .service-illo { display: none; }
}

/* ---------- faq ---------- */
.faq-grid { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: 32px clamp(32px, 5vw, 80px); align-items: start; }
.faq-head { position: sticky; top: calc(var(--header-h) + 24px); }
.faq-head h2 { font-size: var(--fs-h2); line-height: 1.25; }
.faq-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-block-start: 24px; }
.faq-group + .faq-group { margin-block-start: 48px; }
.faq-group-title { font-size: var(--fs-h3); margin-block-end: 16px; }
.qa { background: var(--bg-elevated); border-radius: var(--r-panel); }
.qa + .qa { margin-block-start: 10px; }
.qa summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 56px;
  padding: 14px 20px;
  cursor: pointer;
  list-style: none;
  border-radius: var(--r-panel);
  font-size: var(--fs-lead);
  font-weight: 500;
  line-height: 1.55;
}
.qa summary::-webkit-details-marker { display: none; }
.qa summary:hover .qa-q { color: var(--accent-primary); }
.qa-mark { position: relative; flex: none; width: 14px; height: 14px; }
.qa-mark::before, .qa-mark::after { content: ""; position: absolute; inset-inline: 0; top: 6px; height: 2px; border-radius: 1px; background: var(--accent-primary); transition: transform 0.2s var(--ease-out); }
.qa-mark::after { transform: rotate(90deg); }
.qa[open] .qa-mark::after { transform: rotate(0deg); }
.qa-a { padding: 0 20px 20px; display: grid; gap: 12px; max-width: 46em; }
@media (max-width: 899px) {
  .faq-grid { grid-template-columns: minmax(0, 1fr); }
  .faq-head { position: static; }
}

/* ---------- booking ---------- */
.booking { background: var(--surface); }
.booking-grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(32px, 5vw, 72px); align-items: start; }
.booking-intro h2 { font-size: var(--fs-h2); line-height: 1.25; }
.booking-illo { margin-block-start: 32px; max-width: 300px; }
.booking-direct { display: flex; flex-wrap: wrap; gap: 12px; margin-block-start: 28px; }
.booking-panel { background: var(--bg-elevated); border-radius: var(--r-panel); padding: clamp(20px, 3.5vw, 40px); }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 4px 20px; }
.field { display: grid; gap: 6px; align-content: start; min-width: 0; }
.field-wide { grid-column: 1 / -1; }
.field > label { font-weight: 500; }
.req { margin-inline-start: 8px; font-size: var(--fs-small); font-weight: 500; color: var(--accent-primary); }
.field-hint { font-size: var(--fs-small); color: var(--text-secondary); line-height: 1.5; }
.field-error { min-height: 1lh; font-size: var(--fs-small); line-height: 1.5; color: var(--accent-primary); font-weight: 500; }
.form-alert { margin-block-end: 20px; padding: 12px 16px; border-radius: var(--r-control); background: color-mix(in srgb, var(--accent-primary) 10%, var(--bg-elevated)); color: var(--accent-deep); font-weight: 500; }
.form-alert[hidden] { display: none; }
.form-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 20px; margin-block-start: 16px; }
.form-note { font-size: var(--fs-small); color: var(--text-secondary); }
.booking-done { display: grid; gap: 16px; justify-items: start; }
.booking-done[hidden] { display: none; }
.booking-done-title { font-size: var(--fs-h3); }
.booking-form[hidden] { display: none; }
@media (max-width: 959px) { .booking-grid { grid-template-columns: minmax(0, 1fr); } .booking-illo { max-width: 240px; } }
@media (max-width: 599px) {
  .form-grid { grid-template-columns: minmax(0, 1fr); }
  .form-actions .btn { width: 100%; }
}

/* ---------- contact ---------- */
.store-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.store { background: var(--bg-elevated); border-radius: var(--r-panel); padding: clamp(20px, 3vw, 36px); display: grid; gap: 16px; align-content: start; }
.store-name { font-size: var(--fs-h3); }
.store-region { color: var(--accent-forest); font-weight: 500; margin-block-start: -8px; }
.store-dl { display: grid; gap: 14px; }
.store-dl > div { display: grid; grid-template-columns: 4.5em minmax(0, 1fr); gap: 12px; }
.store-dl dt { font-size: var(--fs-small); color: var(--text-secondary); padding-block-start: 12px; }
.store-map { display: inline-flex; align-items: center; min-height: 46px; color: var(--ink); font-weight: 500; text-decoration-color: var(--accent-primary); border-radius: var(--r-control); }
.store-landmark { display: block; font-size: var(--fs-small); color: var(--text-secondary); }
.phone-list { list-style: none; display: grid; gap: 8px; }
.btn-phone { width: 100%; justify-content: space-between; background: var(--bg-canvas); color: var(--ink); padding-inline: 16px; }
.btn-phone:hover { background: var(--bg-surface); color: var(--ink); }
.phone-label { font-size: var(--fs-small); color: var(--text-secondary); }
.phone-num { font-weight: 700; }
.store > .btn-forest { justify-self: start; }
@media (max-width: 767px) { .store-grid { grid-template-columns: minmax(0, 1fr); } }

/* ---------- footer ---------- */
.site-footer { background: var(--bg-timber-dark); color: var(--on-dark); padding-block: clamp(48px, 6vw, 80px) 32px; }
.footer-grid { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 5fr) minmax(0, 3fr); gap: 32px 48px; }
.brand-on-dark, .brand-on-dark:hover { color: var(--on-dark); }
.brand-on-dark .brand-en { color: var(--on-dark-muted); }
.site-footer .mk-bg { fill: var(--panel-dark); }
.site-footer :focus-visible { outline-color: var(--wood-light); }
.footer-tagline { margin-block-start: 12px; color: var(--on-dark-muted); }
.footer-nav ul { list-style: none; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 24px; }
.footer-link { display: inline-flex; align-items: center; min-height: 46px; color: var(--on-dark-muted); text-decoration: none; border-radius: var(--r-control); }
.footer-link:hover { color: var(--on-dark); text-decoration: underline; }
.footer-stores { display: grid; gap: 20px; align-content: start; }
.footer-store ul { list-style: none; }
.footer-store-name { font-family: var(--font-serif); font-weight: 700; color: var(--on-dark); }
.copyright { grid-column: 1 / -1; padding-block-start: 24px; font-size: var(--fs-small); color: var(--on-dark-muted); }
@media (max-width: 959px) { .footer-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); } .footer-brand { grid-column: 1 / -1; } }
@media (max-width: 599px) { .footer-grid { grid-template-columns: minmax(0, 1fr); } }

/* ---------- inner pages: shared ---------- */
.page-title { font-size: var(--fs-title); line-height: 1.2; letter-spacing: -0.01em; margin-block-start: 8px; }
.breadcrumb ol { list-style: none; display: flex; flex-wrap: wrap; align-items: center; }
.breadcrumb li { display: inline-flex; align-items: center; font-size: var(--fs-small); color: var(--text-secondary); }
.breadcrumb a { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; min-width: 44px; color: var(--text-secondary); border-radius: var(--r-control); }
.breadcrumb a:hover { color: var(--accent-primary); }
.breadcrumb [aria-current] { color: var(--ink); font-weight: 500; display: inline-flex; align-items: center; min-height: 46px; }
.crumb-sep { margin-inline: 8px; color: var(--wood-mid); }
.cta-band { background: var(--bg-timber-dark); color: var(--on-dark); padding-block: clamp(56px, 7vw, 96px); }
.cta-band-grid { display: grid; grid-template-columns: minmax(0, 8fr) minmax(0, 4fr); gap: 24px 48px; align-items: center; }
.cta-band h2 { color: var(--on-dark); font-size: var(--fs-h2); line-height: 1.25; }
.cta-band p { margin-block-start: 12px; color: var(--on-dark-muted); font-size: var(--fs-lead); max-width: 36em; }
.cta-band-actions { justify-self: end; }
.cta-band :focus-visible { outline-color: var(--wood-light); }
@media (max-width: 767px) { .cta-band-grid { grid-template-columns: minmax(0, 1fr); } .cta-band-actions { justify-self: start; } }

.series-mini-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.series-mini-stack { grid-template-columns: minmax(0, 1fr); gap: 12px; }
.series-mini-link { display: grid; gap: 14px; height: 100%; padding: 12px 12px 18px; border-radius: var(--r-panel); background: var(--bg-elevated); color: var(--ink); text-decoration: none; border: 2px solid transparent; transition: border-color 0.18s var(--ease-out); }
.series-mini-link:hover { border-color: var(--wood-mid); color: var(--ink); }
.series-mini-img { width: 100%; aspect-ratio: 436 / 272; object-fit: cover; border-radius: 10px; }
.series-mini-body { display: grid; gap: 4px; padding-inline: 4px; }
.series-mini-name { font-family: var(--font-serif); font-weight: 700; font-size: var(--fs-h4); }
.series-mini-sub { font-size: var(--fs-small); color: var(--text-secondary); line-height: 1.6; }
.series-mini-price { font-size: var(--fs-small); color: var(--accent-primary); font-weight: 500; font-variant-numeric: tabular-nums; }
.series-mini-stack .series-mini-link { grid-template-columns: 120px minmax(0, 1fr); align-items: center; padding: 10px; }
@media (max-width: 899px) { .series-mini-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 599px) { .series-mini-grid { grid-template-columns: minmax(0, 1fr); } }

/* ---------- product page ---------- */
.product-hero { padding-block: clamp(16px, 2vw, 24px) clamp(56px, 7vw, 96px); }
.product-hero-grid { display: grid; grid-template-columns: minmax(0, 6fr) minmax(0, 6fr); gap: clamp(32px, 5vw, 72px); align-items: center; }
.product-sub { margin-block-start: 16px; font-size: var(--fs-lead); color: var(--accent-forest); font-weight: 500; }
.product-summary { margin-block-start: 12px; font-size: var(--fs-lead); line-height: 1.85; max-width: 32em; }
.product-price { margin-block-start: 28px; display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 14px; }
.product-price .price-num { font-family: var(--font-serif); font-weight: 700; font-size: 1.75rem; color: var(--accent-primary); line-height: 1.2; }
.price-note { margin-block-start: 6px; font-size: var(--fs-small); color: var(--text-secondary); }
.product-hero-media img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: var(--r-panel); background: var(--bg-surface); }
.product-hero-media.is-swatch img { aspect-ratio: 436 / 272; }
.product-hero-media figcaption { margin-block-start: 12px; font-size: var(--fs-small); color: var(--text-secondary); }
.product-intro { background: var(--surface); }
.intro-grid { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: clamp(32px, 5vw, 72px); align-items: start; }
.intro-copy h2 { font-size: var(--fs-h2); line-height: 1.25; margin-block-end: 20px; }
.intro-text { font-size: var(--fs-lead); line-height: 1.95; max-width: 36em; }
.intro-text + .intro-text { margin-block-start: 16px; }
.proscons { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; margin-block-start: 36px; }
.pc { background: var(--bg-elevated); border-radius: var(--r-panel); padding: 24px; }
.pc h3 { font-size: var(--fs-h4); margin-block-end: 12px; }
.pc ul { list-style: none; display: grid; gap: 6px; }
.pc li { display: flex; gap: 10px; align-items: baseline; }
.pc li::before { content: ""; flex: none; width: 10px; height: 10px; border-radius: 3px; transform: translateY(-1px); }
.pc-pros li::before { background: var(--accent-forest); }
.pc-cons li::before { background: var(--accent-primary); }
.spec-card { background: var(--bg-elevated); border-radius: var(--r-panel); padding: clamp(20px, 3vw, 32px); }
.spec-title { font-size: var(--fs-h3); margin-block-end: 12px; }
.spec-table { width: 100%; border-collapse: collapse; }
.spec-table th, .spec-table td { text-align: start; vertical-align: top; padding: 12px 0; border-bottom: 1px solid var(--border-subtle); line-height: 1.65; }
.spec-table th { width: 6.5em; padding-inline-end: 12px; font-size: var(--fs-small); font-weight: 500; color: var(--text-secondary); padding-block-start: 14px; }
.structure-grid { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: clamp(32px, 5vw, 72px); align-items: center; }
.structure-illo-lg { background: var(--bg-surface); padding: clamp(16px, 3vw, 40px); }
.structure-copy h2 { font-size: var(--fs-h2); line-height: 1.25; margin-block-end: 24px; }
.structure-copy .ratings { margin-block-start: 4px; }
.structure-copy .legend { margin-block-end: 28px; }
.product-colors { background: var(--surface); }
.viewer-figure { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: 24px 40px; align-items: end; }
.viewer-media img { width: 100%; max-width: 640px; aspect-ratio: 436 / 272; object-fit: cover; border-radius: var(--r-panel); }
.viewer-caption { display: grid; gap: 6px; justify-items: start; }
.viewer-series { font-size: var(--fs-small); color: var(--text-secondary); }
.viewer-name { font-family: var(--font-serif); font-weight: 700; font-size: var(--fs-h3); color: var(--ink); }
.viewer-code { color: var(--text-secondary); }
.viewer-caption .btn { margin-block-start: 16px; }
.gallery-grid { list-style: none; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.gallery-item { display: block; overflow: hidden; border-radius: var(--r-media); background: var(--bg-surface); }
.gallery-img { width: 100%; aspect-ratio: 3 / 4; object-fit: cover; transition: transform 0.4s var(--ease-out); }
.gallery-item:hover .gallery-img { transform: scale(1.03); }
.gallery-case .gallery-img { aspect-ratio: 4 / 3; }
.gallery-case .gallery-first { grid-column: span 2; grid-row: span 2; }
.gallery-case .gallery-first .gallery-img { height: 100%; }
.gallery-case .gallery-first .gallery-item { height: 100%; }
.method-grid-light .method-illo { background: var(--bg-surface); }
.method-fit { line-height: 1.7; }
.method-height { margin-block-start: 6px; font-size: var(--fs-small); color: var(--text-secondary); }
.product-budget { background: var(--surface); }
.budget-grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 32px 72px; align-items: center; }
.budget-grid h2 { font-size: var(--fs-h2); line-height: 1.25; }
.budget-box { background: var(--bg-elevated); border-radius: var(--r-panel); padding: clamp(20px, 3vw, 32px); display: grid; gap: 24px; }
.budget-controls { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 16px; }
@media (max-width: 959px) {
  .product-hero-grid, .intro-grid, .structure-grid, .budget-grid { grid-template-columns: minmax(0, 1fr); }
  .viewer-figure { grid-template-columns: minmax(0, 1fr); }
  .gallery-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 599px) {
  .proscons { grid-template-columns: minmax(0, 1fr); }
  .gallery-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .budget-controls .field-inline { flex: 1 1 100%; }
  .budget-box .field-inline input { width: 100%; }
  .budget-box .btn, .viewer-caption .btn { width: 100%; }
  .viewer-caption { justify-items: stretch; }
}

/* ---------- case page ---------- */
.case-hero { padding-block: clamp(16px, 2vw, 24px) clamp(32px, 4vw, 48px); }
.case-hero-grid { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: 24px clamp(32px, 5vw, 72px); align-items: end; }
.case-lead { margin-block-start: 16px; font-size: var(--fs-lead); line-height: 1.85; max-width: 34em; }
.case-facts { background: var(--bg-surface); border-radius: var(--r-panel); padding: 20px 24px; display: grid; gap: 10px; }
.case-facts > div { display: grid; grid-template-columns: 5.5em minmax(0, 1fr); gap: 12px; }
.case-facts dt { font-size: var(--fs-small); color: var(--text-secondary); padding-block-start: 2px; }
.case-group { display: block; font-size: var(--fs-small); color: var(--text-secondary); }
.case-gallery { padding-block: 0 var(--section-y); }
.case-story { background: var(--surface); }
.case-story-grid { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: 32px clamp(32px, 5vw, 80px); align-items: start; }
.case-notes h2 { font-size: var(--fs-h2); line-height: 1.25; margin-block-end: 24px; }
.case-notes p { font-size: var(--fs-lead); line-height: 1.95; max-width: 34em; }
.case-notes p + p { margin-block-start: 10px; }
.case-aside { background: var(--bg-elevated); border-radius: var(--r-panel); padding: clamp(20px, 3vw, 32px); display: grid; gap: 16px; position: sticky; top: calc(var(--header-h) + 24px); }
.aside-title { font-size: var(--fs-h3); }
.case-aside > .btn { justify-self: start; }
@media (max-width: 959px) {
  .case-hero-grid, .case-story-grid { grid-template-columns: minmax(0, 1fr); }
  .case-aside { position: static; }
}
@media (max-width: 599px) {
  .gallery-case .gallery-first { grid-column: 1 / -1; grid-row: auto; }
}

/* ---------- 404 ---------- */
.notfound-grid { display: grid; grid-template-columns: minmax(0, 6fr) minmax(0, 5fr); gap: 48px; align-items: center; }
.nf-sub { margin-block: 48px 16px; font-size: var(--fs-h3); }
.nf-links { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; }
.notfound-illo { max-width: 480px; }
.grain-band { padding-block-end: 48px; opacity: 0.9; }
@media (max-width: 899px) { .notfound-grid { grid-template-columns: minmax(0, 1fr); } .notfound-illo { max-width: 340px; } }

/* ---------- progressive enhancement: no JavaScript ---------- */
.no-js .tabs, .no-js .chip-grid, .no-js .filter-bar, .no-js [data-calc-apply], .no-js .budget-row, .no-js .menu-toggle { display: none; }
.no-js [role="tabpanel"][hidden], .no-js .rec[hidden] { display: block; }
.no-js .no-js-label { display: block; font-family: var(--font-serif); font-weight: 700; font-size: var(--fs-h4); margin-block: 24px 12px; }
.no-js .structure-panel[hidden] { margin-block-start: 32px; }

/* ---------- motion: illustration hooks ---------- */
@media (prefers-reduced-motion: no-preference) {
  .js .reveal { opacity: 0; transform: translateY(18px); }
  .js .reveal.is-in { opacity: 1; transform: none; transition: opacity 0.7s var(--ease-out) var(--reveal-delay, 0s), transform 0.7s var(--ease-out) var(--reveal-delay, 0s); }
  .hero-img, .product-hero-img { animation: fw-settle 1.4s var(--ease-out) both; }
  .illo .saw { animation: fw-saw 2.6s ease-in-out infinite alternate; transform-box: fill-box; transform-origin: 50% 50%; }
  .illo .tap { animation: fw-tap 2.2s ease-in-out infinite; transform-box: fill-box; transform-origin: 85% 85%; }
  .illo .fl { animation: fw-float 4.5s ease-in-out infinite alternate; transform-box: fill-box; }
  .illo .grain { animation: fw-grain 7s ease-in-out infinite alternate; transform-box: fill-box; }
  .illo .tw, .illo .tw2, .illo .tw3 { animation: fw-tw 3.6s ease-in-out infinite; transform-box: fill-box; transform-origin: 50% 50%; }
  .illo .tw2 { animation-delay: -1.2s; }
  .illo .tw3 { animation-delay: -2.4s; }
}
@keyframes fw-settle { from { opacity: 0; transform: scale(1.025); } to { opacity: 1; transform: none; } }
@keyframes fw-saw { from { transform: translateX(-3px); } to { transform: translateX(3px); } }
@keyframes fw-tap { 0%, 60%, 100% { transform: rotate(0deg); } 75% { transform: rotate(-7deg); } }
@keyframes fw-float { from { transform: translateY(0); } to { transform: translateY(-4px); } }
@keyframes fw-grain { from { transform: translateX(0); } to { transform: translateX(3px); } }
@keyframes fw-tw { 0%, 100% { opacity: 1; transform: scale(1); } 50% { opacity: 0.45; transform: scale(0.82); } }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition-duration: 0.01ms !important; }
}