:root {
  --ink: #231a16;
  --ink-soft: #675d55;
  --paper: #f7f3ec;
  --panel: #fffdf8;
  --muted: #ebe5da;
  --line: #d7ccbd;
  --brand: #9f3326;
  --brand-dark: #6f211a;
  --wood: #8a5738;
  --wood-dark: #2a1914;
  --gold: #b98a4d;
  --sage: #70786c;
  --steel: #7f8b91;
  --shadow: 0 20px 54px rgba(35, 26, 22, 0.13);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  line-height: 1.7;
}

body.nav-open { overflow: hidden; }

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

a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
h1, h2, h3, p { margin-top: 0; }

h1 { margin-bottom: 18px; font-size: clamp(42px, 7vw, 86px); line-height: 1.05; letter-spacing: 0; }
h2 { margin-bottom: 14px; font-size: clamp(30px, 4vw, 48px); line-height: 1.15; letter-spacing: 0; }
h3 { margin-bottom: 10px; font-size: 21px; line-height: 1.35; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 74px;
  padding: 12px clamp(18px, 4vw, 58px);
  background: rgba(247, 243, 236, 0.94);
  border-bottom: 1px solid rgba(215, 204, 189, 0.82);
  backdrop-filter: blur(18px);
}

.brand { display: inline-flex; align-items: center; gap: 12px; min-width: 188px; }
.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  overflow: hidden;
  color: transparent;
  background: url("assets/brand/kanza-logo-red-square.jpg") center / cover no-repeat;
  border-radius: 8px;
  font-size: 24px;
  font-weight: 900;
}
.brand strong, .brand em { display: block; font-style: normal; }
.brand strong { font-size: 18px; line-height: 1.15; }
.brand em { color: var(--ink-soft); font-size: 11px; letter-spacing: 0; }

.site-nav { display: flex; align-items: center; gap: clamp(14px, 2vw, 28px); color: var(--ink-soft); font-size: 15px; }
.site-nav a { position: relative; padding: 8px 0; }
.site-nav a::after {
  position: absolute;
  right: 0;
  bottom: 2px;
  left: 0;
  height: 2px;
  background: var(--brand);
  content: "";
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.2s ease;
}
.site-nav a:hover::after, .site-nav a:focus-visible::after, .site-nav a.active::after { transform: scaleX(1); }
.site-nav a.active { color: var(--ink); font-weight: 800; }

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 8px;
}
.nav-toggle span { display: block; width: 20px; height: 2px; margin: 4px auto; background: var(--ink); }

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(360px, 1.08fr);
  gap: clamp(36px, 6vw, 86px);
  align-items: center;
  min-height: calc(100vh - 74px);
  padding: clamp(64px, 9vw, 118px) clamp(18px, 5vw, 72px);
  background:
    radial-gradient(circle at 72% 34%, rgba(185, 138, 77, 0.22), transparent 28%),
    linear-gradient(135deg, #fbf7ef 0%, #efe7da 58%, #ded1bf 100%);
}

.hero-copy { max-width: 720px; }
.hero-lead, .lead { max-width: 690px; color: var(--ink-soft); font-size: clamp(17px, 2vw, 22px); }
.eyebrow { margin-bottom: 10px; color: var(--brand); font-size: 13px; font-weight: 900; letter-spacing: 0; }

.hero-actions, .section-action, .row-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  color: var(--ink);
  background: var(--panel);
  border: 1px solid transparent;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 900;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}
.button:hover, .button:focus-visible { box-shadow: 0 12px 30px rgba(35, 26, 22, 0.16); transform: translateY(-1px); }
.button.primary { color: #fffdf8; background: var(--brand); }
.button.ghost { background: transparent; border-color: rgba(35, 26, 22, 0.2); }
.button.full { width: 100%; }
.compact-button { min-height: 42px; padding: 0 16px; font-size: 14px; }

.section { padding: clamp(64px, 9vw, 112px) clamp(18px, 5vw, 72px); }
.section.compact { padding-top: 24px; padding-bottom: 24px; }
.section-inner { width: min(1180px, 100%); margin: 0 auto; }
.section-heading { max-width: 760px; margin: 0 auto 34px; text-align: center; }
.section-heading.align-left { margin-left: 0; text-align: left; }
.muted { background: var(--muted); }

.proof-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 10px;
}
.proof-strip div { padding: 22px; background: var(--panel); }
.proof-strip strong, .proof-strip span { display: block; }
.proof-strip strong { font-size: 20px; }
.proof-strip span { color: var(--ink-soft); font-size: 14px; }

.hero-config, .sticky-config, .inquiry-form, .contact-copy, .product-card, .shop-card, .solution-card, .warning-panel, .faq-list details {
  background: rgba(255, 253, 248, 0.9);
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: var(--shadow);
}

.hero-config {
  display: grid;
  grid-template-columns: minmax(260px, 0.9fr) minmax(280px, 0.7fr);
  gap: 20px;
  padding: clamp(18px, 3vw, 28px);
}

.door-stage {
  display: grid;
  place-items: center;
  min-height: 520px;
  padding: 28px;
  background:
    linear-gradient(90deg, rgba(35, 26, 22, 0.06) 1px, transparent 1px),
    linear-gradient(180deg, rgba(35, 26, 22, 0.06) 1px, transparent 1px),
    linear-gradient(180deg, #f7f1e8, #ded3c3);
  background-size: 44px 44px, 44px 44px, auto;
  border: 1px solid rgba(215, 204, 189, 0.9);
  border-radius: 10px;
}

.compact-stage { min-height: 330px; }

.door-preview {
  display: block;
  position: relative;
  width: min(66%, 230px);
  aspect-ratio: 0.46;
  border: 10px solid rgba(35, 26, 22, 0.14);
  border-bottom-width: 14px;
  box-shadow: 0 24px 42px rgba(35, 26, 22, 0.18);
  transition: background 0.25s ease, transform 0.25s ease, border-color 0.25s ease;
}

.door-preview::before {
  position: absolute;
  inset: 18px;
  border: 1px solid rgba(255, 253, 248, 0.35);
  content: "";
}

.door-minimal::before { display: none; }
.door-line-style::after {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 42%;
  width: 2px;
  background: rgba(255, 253, 248, 0.34);
  content: "";
}

.door-line { position: absolute; right: 20px; left: 20px; height: 2px; background: rgba(255, 253, 248, 0.5); }
.door-line.top { top: 34%; }
.door-line.bottom { bottom: 30%; }
.door-handle { position: absolute; right: 22px; top: 50%; width: 10px; height: 26px; border-radius: 99px; background: rgba(35, 26, 22, 0.55); transform: translateY(-50%); }

.color-cream { background: linear-gradient(100deg, #e8ddcc, #f8f2e7 42%, #d8c9b7); }
.color-oak { background: repeating-linear-gradient(88deg, #c49a68 0 12px, #d2ae7b 12px 25px, #b78356 25px 38px); }
.color-walnut { background: repeating-linear-gradient(88deg, #3b251c 0 11px, #6c432c 11px 25px, #271814 25px 38px); }
.color-gray { background: repeating-linear-gradient(88deg, #747979 0 13px, #9da1a0 13px 26px, #606565 26px 39px); }

.stage-ruler { display: flex; gap: 12px; margin-top: 18px; color: var(--ink-soft); font-size: 13px; font-weight: 800; }

.config-panel { display: grid; align-content: center; gap: 18px; }
.panel-title { margin: 0; font-size: 22px; font-weight: 900; }
.option-group, .swatch-row { display: flex; flex-wrap: wrap; gap: 10px; }
.option-button, .filter-button {
  min-height: 42px;
  padding: 0 16px;
  color: var(--ink-soft);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  cursor: pointer;
  font-weight: 800;
}
.option-button.active, .filter-button.active { color: #fffdf8; background: var(--brand); border-color: var(--brand); }
.swatch { width: 42px; height: 42px; border: 3px solid var(--panel); border-radius: 50%; box-shadow: 0 0 0 1px var(--line); cursor: pointer; }
.swatch.active { box-shadow: 0 0 0 3px var(--brand); }

.spec-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.spec-grid label { display: grid; gap: 6px; color: var(--ink-soft); font-size: 13px; font-weight: 800; }
.spec-grid input, .inquiry-form input, .inquiry-form select, .inquiry-form textarea {
  width: 100%;
  padding: 12px 13px;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  outline: none;
}
.spec-grid input:focus, .inquiry-form input:focus, .inquiry-form select:focus, .inquiry-form textarea:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(159, 51, 38, 0.12);
}

.quote-summary { padding: 14px; color: var(--ink); background: #f3ece1; border: 1px solid var(--line); border-radius: 8px; font-weight: 900; }

.product-card-grid, .room-solution-grid, .value-grid, .opening-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}
.product-card-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.product-card, .solution-card { padding: 24px; transition: transform 0.2s ease, box-shadow 0.2s ease; }
.product-card:hover, .solution-card:hover, .shop-card:hover { transform: translateY(-2px); box-shadow: 0 22px 58px rgba(35, 26, 22, 0.15); }
.door-card-visual { display: grid; place-items: center; height: 260px; margin-bottom: 20px; background: linear-gradient(180deg, #f4ece0, #ddd1bf); border: 1px solid var(--line); border-radius: 10px; }
.door-card-visual .door-preview { width: 118px; }
.tag { display: inline-flex; margin-bottom: 12px; padding: 3px 9px; color: #fffdf8; background: var(--sage); border-radius: 5px; font-size: 12px; font-weight: 900; }
.mini-link { display: inline-flex; margin-top: 12px; color: var(--brand); font-size: 14px; font-weight: 900; }
.mini-link::after { margin-left: 6px; content: ">"; }

.split-layout { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); gap: clamp(32px, 6vw, 72px); align-items: center; }
.room-planner { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.room-zone {
  min-height: 160px;
  padding: 22px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  cursor: pointer;
  text-align: left;
}
.room-zone.active { border-color: var(--brand); box-shadow: inset 0 0 0 2px rgba(159, 51, 38, 0.16); }
.room-zone span, .room-zone em { display: block; }
.room-zone span { font-size: 24px; font-weight: 900; }
.room-zone em { color: var(--ink-soft); font-style: normal; }

.cta-band { color: #fffdf8; background: var(--wood-dark); }
.cta-layout { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.cta-layout p { max-width: 760px; color: rgba(255, 253, 248, 0.75); }

.subpage-title {
  padding: clamp(74px, 10vw, 126px) clamp(20px, 6vw, 86px) clamp(38px, 6vw, 70px);
  background: linear-gradient(135deg, rgba(159, 51, 38, 0.09), rgba(127, 139, 145, 0.16)), var(--paper);
}
.subpage-title p { max-width: 760px; color: var(--ink-soft); }

.filter-bar { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.result-count { display: inline-flex; align-items: center; min-height: 42px; margin-left: auto; color: var(--ink-soft); font-size: 14px; font-weight: 900; }

.shop-layout { display: grid; grid-template-columns: minmax(0, 1fr) 360px; gap: 26px; align-items: start; }
.catalog-list { display: grid; gap: 20px; }
.shop-card { display: grid; grid-template-columns: 230px minmax(0, 1fr); gap: 22px; padding: 22px; }
.shop-card .door-card-visual { height: 260px; margin: 0; }
.shop-card.is-hidden { display: none; }
.shop-card-body p, .product-card p, .solution-card p, .value-grid p, .faq-list p, .step-list p { color: var(--ink-soft); }
.sticky-config { position: sticky; top: 94px; display: grid; gap: 16px; padding: 22px; }

.spec-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; margin: 18px 0 0; overflow: hidden; background: var(--line); border: 1px solid var(--line); border-radius: 8px; }
.spec-list div { padding: 12px; background: #fff; }
.spec-list dt { color: var(--ink-soft); font-size: 12px; font-weight: 900; }
.spec-list dd { margin: 2px 0 0; font-weight: 800; }

.service-flow { display: grid; grid-template-columns: 0.75fr 1.25fr; gap: clamp(28px, 5vw, 68px); }
.step-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin: 0; padding: 0; list-style: none; }
.step-list li, .opening-card, .value-grid article { padding: 24px; background: var(--panel); border: 1px solid var(--line); border-radius: 12px; }
.step-list span, .value-grid span { color: var(--brand); font-weight: 900; }
.step-list strong { display: block; margin: 8px 0 6px; font-size: 20px; }

.opening-card { display: grid; place-items: center; gap: 16px; min-height: 220px; }
.opening-door { position: relative; width: 94px; height: 130px; border-left: 4px solid var(--ink); border-bottom: 4px solid var(--ink); }
.opening-door::after { position: absolute; bottom: 0; width: 80px; height: 112px; border: 3px solid var(--brand); content: ""; transform-origin: left bottom; }
.left-in::after { transform: rotate(-36deg); }
.right-in { transform: scaleX(-1); }
.right-in::after { transform: rotate(-36deg); }
.left-out::after { transform: rotate(36deg); }
.right-out { transform: scaleX(-1); }
.right-out::after { transform: rotate(36deg); }

.room-diagram {
  position: relative;
  height: 250px;
  margin-bottom: 22px;
  background:
    linear-gradient(90deg, rgba(35, 26, 22, 0.08) 1px, transparent 1px),
    linear-gradient(180deg, rgba(35, 26, 22, 0.08) 1px, transparent 1px),
    #f5eee4;
  background-size: 34px 34px;
  border: 1px solid var(--line);
  border-radius: 10px;
}
.room-door { position: absolute; right: 28px; top: 40px; width: 52px; height: 150px; background: var(--wood); border: 6px solid rgba(35, 26, 22, 0.16); }
.room-door.dark { background: #473026; }
.room-door.light { background: #e7dac8; }
.room-bed, .room-desk, .room-shelf, .room-cabinet, .room-block { position: absolute; background: rgba(159, 51, 38, 0.18); border: 1px solid rgba(159, 51, 38, 0.28); border-radius: 8px; }
.room-bed { left: 28px; bottom: 32px; width: 130px; height: 72px; }
.room-cabinet { left: 28px; top: 34px; width: 96px; height: 44px; }
.room-desk { left: 32px; bottom: 34px; width: 118px; height: 48px; }
.room-shelf { left: 32px; top: 36px; width: 70px; height: 112px; }
.room-block.one { left: 34px; top: 42px; width: 84px; height: 84px; }
.room-block.two { left: 122px; bottom: 34px; width: 92px; height: 54px; }
.room-door.repeat { top: 52px; width: 44px; height: 128px; }
.room-door.repeat.a { left: 46px; right: auto; }
.room-door.repeat.b { left: 122px; right: auto; }
.room-door.repeat.c { left: 198px; right: auto; }

.material-showcase {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.28fr);
  gap: clamp(28px, 5vw, 64px);
  align-items: start;
}

.material-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.material-figure {
  margin: 0;
  overflow: hidden;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: var(--shadow);
}

.material-grid figcaption {
  padding: 14px 16px;
  color: var(--ink-soft);
  font-size: 14px;
  font-weight: 800;
}

.trim-diagram,
.hardware-diagram {
  position: relative;
  height: 280px;
  background:
    linear-gradient(90deg, rgba(35, 26, 22, 0.06) 1px, transparent 1px),
    linear-gradient(180deg, rgba(35, 26, 22, 0.06) 1px, transparent 1px),
    #fffaf2;
  background-size: 32px 32px;
  border-bottom: 1px solid var(--line);
}

.trim-diagram span {
  position: absolute;
  display: block;
  background: linear-gradient(90deg, #8a5738, #d0a06d);
  border: 1px solid rgba(35, 26, 22, 0.22);
  border-radius: 4px;
  box-shadow: 0 14px 26px rgba(35, 26, 22, 0.16);
}

.trim-diagram span:nth-child(1) { top: 56px; left: 34px; width: 170px; height: 26px; }
.trim-diagram span:nth-child(2) { top: 104px; left: 56px; width: 124px; height: 26px; background: linear-gradient(90deg, #e5d4bd, #fff8ec); }
.trim-diagram span:nth-child(3) { top: 152px; left: 34px; width: 190px; height: 34px; }
.trim-diagram span:nth-child(4) { top: 198px; left: 72px; width: 116px; height: 34px; background: linear-gradient(90deg, #5a3928, #94613f); }

.hardware-diagram::before {
  position: absolute;
  top: 36px;
  left: 50%;
  width: 96px;
  height: 206px;
  background: linear-gradient(180deg, #f4eadc, #d9c5aa);
  border: 7px solid rgba(35, 26, 22, 0.18);
  content: "";
  transform: translateX(-50%);
}

.hardware-diagram span {
  position: absolute;
  display: block;
  background: var(--brand);
  box-shadow: 0 10px 20px rgba(35, 26, 22, 0.16);
}

.hardware-diagram .lock {
  top: 134px;
  left: calc(50% + 28px);
  width: 18px;
  height: 34px;
  border-radius: 999px;
}

.hardware-diagram .hinge {
  left: calc(50% - 62px);
  width: 18px;
  height: 40px;
  border-radius: 5px;
  background: var(--gold);
}

.hardware-diagram .hinge.a { top: 68px; }
.hardware-diagram .hinge.b { bottom: 64px; }

.hardware-diagram .stopper {
  right: 44px;
  bottom: 42px;
  width: 58px;
  height: 16px;
  border-radius: 999px;
  background: var(--wood-dark);
}

.brand-material-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: clamp(28px, 5vw, 64px);
  align-items: center;
}

.brand-system-board {
  display: grid;
  grid-template-columns: minmax(150px, 0.72fr) minmax(200px, 1fr);
  gap: clamp(20px, 4vw, 38px);
  align-items: center;
  min-height: min(48vw, 520px);
  padding: clamp(22px, 4vw, 42px);
  background:
    radial-gradient(circle at 24% 34%, rgba(185, 138, 77, 0.26), transparent 24%),
    linear-gradient(135deg, #1b1411, #3a281f);
  border: 1px solid rgba(255, 253, 248, 0.12);
  border-radius: 12px;
  box-shadow: var(--shadow);
}

.brand-system-board .door-preview {
  width: min(190px, 100%);
  height: 420px;
  margin: 0 auto;
  box-shadow: 0 26px 48px rgba(0, 0, 0, 0.34);
}

.brand-token-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.brand-token-grid span {
  display: grid;
  place-items: center;
  min-height: 86px;
  color: #fffdf8;
  background: rgba(255, 253, 248, 0.1);
  border: 1px solid rgba(255, 253, 248, 0.18);
  border-radius: 10px;
  font-size: 18px;
  font-weight: 900;
}

.compact-values {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.faq-block { max-width: 980px; }
.faq-list { display: grid; gap: 12px; }
.faq-list details { overflow: hidden; box-shadow: none; }
.faq-list summary { position: relative; padding: 20px 56px 20px 22px; cursor: pointer; font-size: 18px; font-weight: 900; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { position: absolute; top: 50%; right: 22px; color: var(--brand); content: "+"; transform: translateY(-50%); font-size: 24px; }
.faq-list details[open] summary::after { content: "-"; }
.faq-list p { margin: 0; padding: 0 22px 22px; }

.contact-layout { display: grid; grid-template-columns: minmax(0, 0.84fr) minmax(340px, 0.76fr); gap: clamp(30px, 6vw, 78px); align-items: start; }
.contact-copy, .inquiry-form { padding: clamp(22px, 4vw, 34px); }
.quote-list { display: grid; gap: 10px; margin: 22px 0; }
.quote-item { padding: 14px; background: #f3ece1; border: 1px solid var(--line); border-radius: 8px; font-weight: 800; }
.inquiry-form { display: grid; gap: 16px; }
.inquiry-form label { display: grid; gap: 8px; color: var(--ink-soft); font-weight: 800; }
.form-status { min-height: 24px; margin: 0; font-size: 14px; }
.form-status.success { color: #2d6b42; }
.form-status.error { color: var(--brand); }

.floating-tools { position: fixed; right: 18px; bottom: 18px; z-index: 60; display: grid; gap: 10px; }
.floating-tools a, .floating-tools button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 46px;
  height: 46px;
  padding: 0 14px;
  color: #fffdf8;
  background: var(--brand);
  border: 1px solid rgba(255, 253, 248, 0.2);
  border-radius: 999px;
  box-shadow: 0 14px 32px rgba(35, 26, 22, 0.22);
  cursor: pointer;
  font-size: 14px;
  font-weight: 900;
}
.floating-tools button { background: var(--wood-dark); }

.site-footer { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 34px clamp(18px, 5vw, 72px); color: rgba(255, 253, 248, 0.78); background: var(--wood-dark); }
.site-footer strong, .site-footer span { display: block; }
.site-footer strong { color: #fffdf8; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 18px; }

@media (max-width: 1040px) {
  .hero, .hero-config, .shop-layout, .split-layout, .service-flow, .contact-layout, .material-showcase, .brand-material-layout { grid-template-columns: 1fr; }
  .sticky-config { position: static; }
  .product-card-grid, .room-solution-grid, .value-grid, .opening-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 820px) {
  .nav-toggle { display: block; }
  .site-nav {
    position: fixed;
    top: 74px;
    right: 0;
    left: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px 22px 24px;
    background: rgba(247, 243, 236, 0.98);
    border-bottom: 1px solid var(--line);
  }
  .site-nav.is-open { display: flex; }
  .site-nav a { padding: 14px 0; border-bottom: 1px solid rgba(215, 204, 189, 0.72); }
  .shop-card { grid-template-columns: 1fr; }
  .room-planner, .step-list, .proof-strip, .spec-list, .material-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  h1 { font-size: 40px; }
  h2 { font-size: 30px; }
  .site-header { min-height: 68px; padding-right: 16px; padding-left: 16px; }
  .brand { min-width: 0; }
  .brand span:not(.brand-mark) { display: none; }
  .site-nav { top: 68px; }
  .hero, .section, .subpage-title { padding-right: 18px; padding-left: 18px; }
  .door-stage { min-height: 390px; }
  .product-card-grid, .room-solution-grid, .value-grid, .opening-grid, .spec-grid { grid-template-columns: 1fr; }
  .result-count { width: 100%; margin-left: 0; }
  .site-footer { align-items: flex-start; flex-direction: column; }
  .floating-tools { right: 12px; bottom: 12px; }
}

/* Homepage showroom hero: photo-free, interactive version inspired by the supplied first screen. */
.showroom-hero {
  position: relative;
  grid-template-columns: minmax(0, 0.8fr) minmax(420px, 1.2fr);
  color: #fffdf8;
  overflow: hidden;
  background:
    radial-gradient(circle at 76% 58%, rgba(185, 138, 77, 0.23), transparent 28%),
    radial-gradient(ellipse at 62% 95%, rgba(255, 253, 248, 0.2), transparent 24%),
    linear-gradient(110deg, #0f0d0b 0%, #18120f 48%, #2a201a 100%);
}

.showroom-hero::before {
  position: absolute;
  inset: auto 0 0;
  height: 34%;
  background: linear-gradient(180deg, rgba(15, 13, 11, 0), rgba(255, 253, 248, 0.16));
  content: "";
}

.showroom-hero .hero-copy {
  position: relative;
  z-index: 2;
}

.showroom-hero .hero-copy::before {
  display: block;
  width: 76px;
  height: 1px;
  margin-bottom: 24px;
  background: linear-gradient(90deg, var(--gold), rgba(185, 138, 77, 0));
  content: "";
}

.showroom-hero .hero-lead {
  color: rgba(255, 253, 248, 0.74);
}

.showroom-hero .button.ghost {
  color: #fffdf8;
  border-color: rgba(255, 253, 248, 0.34);
}

.showroom-stage {
  position: relative;
  z-index: 1;
  min-height: 620px;
  border-radius: 14px;
}

.showroom-stage::before {
  position: absolute;
  right: 0;
  bottom: 2%;
  left: 0;
  height: 32%;
  background: radial-gradient(ellipse at center, rgba(255, 253, 248, 0.22), transparent 68%);
  content: "";
  filter: blur(2px);
}

.hero-door {
  position: absolute;
  z-index: 3;
  display: block;
  padding: 0;
  background: transparent;
  border: 0;
  cursor: pointer;
  transition: transform 0.22s ease, opacity 0.22s ease, filter 0.22s ease;
}

.hero-door:hover,
.hero-door:focus-visible,
.hero-door.active {
  filter: brightness(1.14);
  transform: translateY(-6px);
}

.hero-door .door-preview {
  width: 100%;
  height: 100%;
  border-color: rgba(255, 253, 248, 0.28);
  box-shadow: 0 34px 58px rgba(0, 0, 0, 0.42), 0 0 0 1px rgba(255, 253, 248, 0.1);
}

.showroom-stage .door-preview::before {
  border-color: rgba(255, 253, 248, 0.44);
}

.ghost-door {
  left: 1%;
  bottom: 31%;
  width: 130px;
  height: 306px;
  opacity: 0.48;
}

.main-door {
  right: 34%;
  bottom: 24%;
  width: 172px;
  height: 410px;
}

.tall-door {
  right: 4%;
  bottom: 28%;
  width: 174px;
  height: 452px;
}

.sample-stack {
  position: absolute;
  z-index: 2;
  left: 13%;
  bottom: 12%;
  width: 330px;
  height: 130px;
  transform: rotate(-22deg);
}

.sample-board {
  position: absolute;
  display: block;
  width: 270px;
  height: 72px;
  border: 1px solid rgba(255, 253, 248, 0.2);
  box-shadow: 0 20px 34px rgba(0, 0, 0, 0.28);
}

.board-light {
  top: 0;
  left: 0;
  background: linear-gradient(110deg, #ece6dc, #fffaf0);
}

.board-wood {
  right: 0;
  bottom: 0;
  background: repeating-linear-gradient(90deg, #b67c4f 0 16px, #d09a62 16px 34px, #8d5638 34px 48px);
}

.showroom-plant {
  position: absolute;
  z-index: 4;
  right: 0;
  bottom: 12%;
  width: 120px;
  height: 160px;
  border-bottom: 30px solid rgba(255, 253, 248, 0.26);
}

.showroom-plant::before {
  position: absolute;
  left: 50%;
  bottom: 28px;
  width: 4px;
  height: 108px;
  background: rgba(185, 138, 77, 0.56);
  content: "";
  transform: translateX(-50%);
}

.showroom-plant span {
  position: absolute;
  width: 76px;
  height: 42px;
  background: rgba(93, 123, 78, 0.78);
  border-radius: 50%;
}

.showroom-plant span:nth-child(1) { right: 18px; top: 22px; transform: rotate(26deg); }
.showroom-plant span:nth-child(2) { left: 8px; top: 58px; transform: rotate(-22deg); }
.showroom-plant span:nth-child(3) { right: 6px; top: 92px; transform: rotate(18deg); }

.hero-picker {
  position: absolute;
  z-index: 5;
  right: 0;
  bottom: 0;
  width: min(390px, 100%);
  padding: 18px;
  color: var(--ink);
  background: rgba(255, 253, 248, 0.92);
  border: 1px solid rgba(255, 253, 248, 0.36);
  border-radius: 12px;
  box-shadow: 0 20px 54px rgba(0, 0, 0, 0.24);
  backdrop-filter: blur(12px);
}

.hero-picker p:not(.panel-title) {
  margin-bottom: 14px;
  color: var(--ink-soft);
  font-size: 14px;
}

.showroom-stage .swatch.active {
  box-shadow: 0 0 0 3px var(--brand), 0 0 0 6px rgba(255, 253, 248, 0.7);
}

@media (max-width: 1040px) {
  .showroom-hero {
    grid-template-columns: 1fr;
  }

  .showroom-stage {
    min-height: 560px;
  }
}

@media (max-width: 640px) {
  .showroom-stage {
    min-height: 520px;
  }

  .sample-stack {
    left: 0;
    bottom: 20%;
    transform: rotate(-18deg) scale(0.72);
    transform-origin: left bottom;
  }

  .ghost-door {
    display: none;
  }

  .main-door {
    right: 38%;
    bottom: 24%;
    width: 104px;
    height: 258px;
  }

  .tall-door {
    right: 2%;
    bottom: 31%;
    width: 104px;
    height: 290px;
  }

  .showroom-plant {
    display: none;
  }

  .hero-picker {
    right: 0;
    left: 0;
    width: 100%;
  }
}

.shop-card {
  align-items: center;
}

.subpage-title {
  background:
    linear-gradient(135deg, rgba(247, 243, 236, 0.96), rgba(235, 229, 218, 0.92)),
    var(--paper);
}

.product-card,
.shop-card,
.solution-card,
.inquiry-form,
.contact-copy,
.sticky-config {
  border-radius: 10px;
}

/* Premium photo-led pages built from the supplied KANZA catalogue materials. */
.editorial-hero {
  position: relative;
  display: flex;
  align-items: flex-end;
  min-height: min(760px, calc(100vh - 74px));
  padding: clamp(74px, 11vw, 132px) clamp(20px, 7vw, 92px) clamp(52px, 8vw, 88px);
  color: #fffdf8;
  overflow: hidden;
  background: #15110e;
}

.editorial-hero::before {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(90deg, rgba(15, 13, 11, 0.78), rgba(15, 13, 11, 0.34) 42%, rgba(15, 13, 11, 0.08) 100%),
    linear-gradient(0deg, rgba(15, 13, 11, 0.48), rgba(15, 13, 11, 0) 58%);
  content: "";
}

.editorial-hero > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.editorial-hero-copy {
  position: relative;
  z-index: 2;
  max-width: 620px;
}

.editorial-hero h1 {
  font-size: clamp(44px, 5.5vw, 70px);
}

.editorial-hero .hero-lead {
  max-width: 560px;
  color: rgba(255, 253, 248, 0.78);
}

.editorial-hero .button.ghost {
  color: #fffdf8;
  border-color: rgba(255, 253, 248, 0.45);
}

.hero-proof {
  position: relative;
  z-index: 3;
  margin-top: -42px;
}

.premium-card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.premium-card {
  overflow: hidden;
  background: rgba(255, 253, 248, 0.92);
  border: 1px solid var(--line);
  border-radius: 10px;
  box-shadow: var(--shadow);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.premium-card:hover,
.premium-card:focus-within {
  transform: translateY(-2px);
  box-shadow: 0 24px 62px rgba(35, 26, 22, 0.16);
}

.premium-card > div {
  padding: 22px;
}

.premium-card p {
  color: var(--ink-soft);
}

.card-image,
.shop-card-image,
.solution-image {
  width: 100%;
  object-fit: cover;
  background: #ddd4c8;
}

.card-image {
  height: 290px;
}

.compact-card .card-image {
  height: 240px;
}

.premium-catalog {
  gap: 24px;
}

.shop-card {
  overflow: hidden;
}

.shop-card-image {
  height: 280px;
  border-radius: 8px;
}

.solution-card {
  overflow: hidden;
  padding: 0;
}

.solution-card .tag,
.solution-card h2,
.solution-card p,
.solution-card .button {
  margin-left: 22px;
  margin-right: 22px;
}

.solution-card .button {
  margin-bottom: 24px;
}

.solution-image {
  height: 260px;
  margin-bottom: 22px;
}

.scene-pair {
  display: grid;
  grid-template-columns: 1fr 0.72fr;
  gap: 14px;
  align-items: stretch;
}

.scene-pair img {
  width: 100%;
  height: min(42vw, 460px);
  min-height: 320px;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: 10px;
  box-shadow: var(--shadow);
}

.scene-pair img:nth-child(2) {
  margin-top: 46px;
}

.material-figure img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  border-bottom: 1px solid var(--line);
}

.brand-photo {
  margin: 0;
  overflow: hidden;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  box-shadow: var(--shadow);
}

.brand-photo img {
  width: 100%;
  height: min(46vw, 520px);
  min-height: 360px;
  object-fit: cover;
}

.brand-photo figcaption {
  padding: 14px 18px;
  color: var(--ink-soft);
  font-size: 14px;
  font-weight: 800;
}

@media (max-width: 1040px) {
  .premium-card-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .scene-pair img {
    height: 360px;
    min-height: 0;
  }
}

@media (max-width: 820px) {
  .editorial-hero {
    min-height: 620px;
  }

  .premium-card-grid,
  .scene-pair {
    grid-template-columns: 1fr;
  }

  .scene-pair img:nth-child(2) {
    margin-top: 0;
  }
}

@media (max-width: 640px) {
  .editorial-hero {
    min-height: 560px;
    padding-top: 76px;
  }

  .editorial-hero h1 {
    font-size: 34px;
    line-height: 1.12;
  }

  .hero-proof {
    margin-top: 0;
  }

  .card-image,
  .shop-card-image,
  .solution-image,
  .material-figure img {
    height: 230px;
  }

  .brand-photo img {
    min-height: 260px;
  }

  .floating-tools {
    display: none;
  }
}