/* ============================================================
   HAPTERS — Materials Lab × Showroom
   Cool stone · brushed metal · graphite · sparse copper
   ============================================================ */

:root {
  --bg: #E4E2DD;
  --bg-deep: #D5D2CB;
  --bg-elevated: #F0EEE9;
  --bg-floor: #CBC8C0;
  --ink: #16181B;
  --ink-soft: #3E434A;
  --ink-muted: #6E747D;
  --metal: #8E969F;
  --metal-light: #B8BFC6;
  --metal-shine: #E8EBEE;
  --skin: #C4A792;
  --copper: #9A6B4F;
  --surface: #FAF9F7;
  --hairline: rgba(22, 24, 27, 0.12);
  --hairline-strong: rgba(22, 24, 27, 0.22);

  --font-display: 'Syne', 'Noto Sans TC', 'Noto Sans SC', system-ui, sans-serif;
  --font-sans: 'IBM Plex Sans', 'Noto Sans TC', 'Noto Sans SC', system-ui, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, monospace;

  --max-width: 1240px;
  --header-height: 68px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --transition: 0.45s var(--ease);
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background: var(--bg);
}

body {
  font-family: var(--font-sans);
  color: var(--ink-soft);
  background: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection {
  background: var(--ink);
  color: var(--bg);
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--copper); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--ink); }
ul { list-style: none; }

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 28px;
}

/* ----- Type ----- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.1;
  color: var(--ink);
  letter-spacing: -0.03em;
}
h1 { font-size: clamp(2.6rem, 7vw, 4.75rem); }
h2 { font-size: clamp(2rem, 4.5vw, 3.4rem); }
h3 { font-size: clamp(1.35rem, 2.4vw, 1.85rem); }
h4 { font-size: 0.85rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; font-family: var(--font-sans); }

.eyebrow {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 1rem;
}

.section-label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--copper);
  margin-bottom: 14px;
}

.section-header { margin-bottom: 48px; }
.section-header h1, .section-header h2 { margin-bottom: 12px; }
.section-subtitle {
  color: var(--ink-muted);
  font-size: 1.05rem;
  max-width: 36rem;
  font-weight: 300;
}

.section { padding: 96px 0; }

/* ----- Buttons ----- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-sans);
  font-size: 0.88rem;
  font-weight: 500;
  padding: 13px 28px;
  border-radius: 2px;
  border: none;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform 0.25s var(--ease);
  text-decoration: none;
  letter-spacing: 0.01em;
}

.btn-primary {
  background: var(--ink);
  color: var(--surface);
}
.btn-primary:hover {
  background: var(--copper);
  color: var(--surface);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--hairline-strong);
}
.btn-ghost:hover {
  border-color: var(--ink);
  color: var(--ink);
}

.btn-secondary {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--hairline-strong);
}
.btn-secondary:hover { border-color: var(--ink); }

.btn-lg { padding: 16px 36px; font-size: 0.95rem; }

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  background: rgba(228, 226, 221, 0.82);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s, background 0.3s;
}

.site-header.is-scrolled {
  border-bottom-color: var(--hairline);
  background: rgba(228, 226, 221, 0.94);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  gap: 24px;
}

.logo { display: flex; align-items: center; text-decoration: none; color: var(--ink); }
.logo-text {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: 0.14em;
}

.nav-list { display: flex; align-items: center; gap: 2px; }
.nav-link {
  display: block;
  padding: 8px 16px;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--ink-muted);
  letter-spacing: 0.02em;
  transition: color 0.2s;
}
.nav-link:hover, .nav-link.active { color: var(--ink); }

.header-cta {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink);
  border-bottom: 1px solid var(--ink);
  padding-bottom: 2px;
  text-decoration: none;
}
.header-cta:hover { color: var(--copper); border-color: var(--copper); }

/* Language switcher */
.lang-switcher {
  display: flex;
  align-items: center;
  gap: 2px;
  border: 1px solid var(--hairline-strong);
  border-radius: 2px;
  padding: 2px;
  flex-shrink: 0;
}
.lang-btn {
  appearance: none;
  background: transparent;
  border: none;
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 6px 10px;
  color: var(--ink-muted);
  border-radius: 1px;
  transition: background 0.2s, color 0.2s;
}
.lang-btn:hover { color: var(--ink); }
.lang-btn.is-active {
  background: var(--ink);
  color: var(--surface);
}

html[data-lang="zh-TW"] body,
html[data-lang="zh-CN"] body {
  font-family: 'Noto Sans TC', 'Noto Sans SC', 'IBM Plex Sans', system-ui, sans-serif;
}
html[data-lang="zh-CN"] body {
  font-family: 'Noto Sans SC', 'Noto Sans TC', 'IBM Plex Sans', system-ui, sans-serif;
}
html[data-lang="zh-TW"] h1,
html[data-lang="zh-TW"] h2,
html[data-lang="zh-TW"] h3,
html[data-lang="zh-CN"] h1,
html[data-lang="zh-CN"] h2,
html[data-lang="zh-CN"] h3 {
  font-family: 'Noto Sans TC', 'Noto Sans SC', 'Syne', system-ui, sans-serif;
  letter-spacing: -0.01em;
  font-weight: 700;
}
html[data-lang="zh-CN"] h1,
html[data-lang="zh-CN"] h2,
html[data-lang="zh-CN"] h3 {
  font-family: 'Noto Sans SC', 'Noto Sans TC', 'Syne', system-ui, sans-serif;
}
.logo-text { font-family: 'Syne', system-ui, sans-serif !important; }

.menu-toggle {
  display: none;
  flex-direction: column;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  gap: 5px;
}
.menu-toggle span {
  width: 22px;
  height: 1.5px;
  background: var(--ink);
  transition: var(--transition);
}
.menu-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(4px, 4px); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(4px, -4px); }

/* ============================================================
   SHOWROOM HERO
   ============================================================ */
.showroom-hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  padding-top: var(--header-height);
  overflow: hidden;
}

.showroom-atmosphere {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.atm-wash {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 55% at 72% 42%, rgba(184, 191, 198, 0.55) 0%, transparent 60%),
    radial-gradient(ellipse 45% 40% at 18% 70%, rgba(196, 167, 146, 0.22) 0%, transparent 55%),
    linear-gradient(165deg, #EAE8E3 0%, #DDDAD3 48%, #C9C5BC 100%);
}

.atm-grain {
  position: absolute;
  inset: 0;
  opacity: 0.35;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 180px;
  mix-blend-mode: multiply;
}

.atm-floor {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 38%;
  background: linear-gradient(to top, rgba(203, 200, 192, 0.95) 0%, transparent 100%);
}

.showroom-stage {
  position: relative;
  z-index: 1;
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  align-items: center;
  gap: 24px;
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 40px 28px 24px;
}

.stage-copy {
  position: relative;
  z-index: 2;
  max-width: 28rem;
}

.brand-mark {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 8vw, 5.5rem);
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--ink);
  line-height: 0.95;
  margin-bottom: 1.25rem;
}

.hero-line {
  font-size: clamp(1.65rem, 3.2vw, 2.35rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
  color: var(--ink);
}

.hero-lede {
  font-size: 1.05rem;
  font-weight: 300;
  color: var(--ink-soft);
  max-width: 22rem;
  margin-bottom: 1.75rem;
  line-height: 1.55;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }

.stage-machine {
  position: relative;
  height: min(62vh, 520px);
  display: flex;
  align-items: flex-end;
  justify-content: center;
}

.stage-photo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: bottom center;
  opacity: 0;
  transform: translateX(36px) scale(0.96);
  transition: opacity 0.6s var(--ease), transform 0.7s var(--ease);
  filter: drop-shadow(18px 28px 40px rgba(22, 24, 27, 0.22));
  pointer-events: none;
}
.stage-photo:not(.is-active) {
  opacity: 0 !important;
  transform: translateX(36px) scale(0.96) !important;
  z-index: 0;
}
.stage-photo.is-active {
  opacity: 1 !important;
  transform: translateX(0) scale(1) !important;
  z-index: 1;
}
.img-disclaimer {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin: 8px 0 0;
  text-align: center;
  opacity: 0.85;
}
.img-disclaimer--block {
  text-align: left;
  margin: 0 0 16px;
  text-transform: none;
  letter-spacing: 0.02em;
  font-size: 0.78rem;
}
.stage-machine .img-disclaimer {
  position: absolute;
  bottom: 4px;
  left: 0;
  right: 0;
  z-index: 2;
}
.dossier-machine-wrap .img-disclaimer {
  position: absolute;
  bottom: 8px;
  left: 0;
  right: 0;
  z-index: 2;
}
.product-detail-gallery .img-disclaimer {
  margin-top: 10px;
  text-align: left;
  text-transform: none;
  letter-spacing: 0.02em;
  font-size: 0.78rem;
}
.about-intro-image .img-disclaimer {
  margin-top: 8px;
  text-align: left;
  text-transform: none;
  letter-spacing: 0.02em;
  font-size: 0.78rem;
}

/* ----- Legacy silhouette (kept as fallback) ----- */
.machine-silhouette {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  opacity: 0;
  transform: translateX(40px) scale(0.96);
  transition: opacity 0.6s var(--ease), transform 0.7s var(--ease);
  pointer-events: none;
}
.machine-silhouette.is-active {
  opacity: 1;
  transform: translateX(0) scale(1);
}

.ms-body {
  position: relative;
  width: 180px;
  height: 340px;
  background: linear-gradient(145deg, var(--metal-shine) 0%, var(--metal-light) 35%, var(--metal) 70%, #6F767E 100%);
  border-radius: 18px 18px 8px 8px;
  box-shadow:
    inset 1px 1px 0 rgba(255,255,255,0.55),
    inset -2px -4px 12px rgba(0,0,0,0.12),
    18px 28px 50px rgba(22, 24, 27, 0.18);
}
.ms-body.tall { height: 380px; width: 160px; border-radius: 12px; }
.ms-body.round { border-radius: 28px 28px 12px 12px; width: 200px; height: 300px; }
.ms-body.wide { width: 240px; height: 280px; border-radius: 14px; }

.ms-screen {
  position: absolute;
  top: 18%;
  left: 50%;
  transform: translateX(-50%);
  width: 72%;
  height: 22%;
  background: linear-gradient(160deg, #2A2E34 0%, #1A1C1F 100%);
  border-radius: 6px;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.08);
}
.ms-screen::after {
  content: '';
  position: absolute;
  inset: 12% 10%;
  background: linear-gradient(120deg, rgba(196, 167, 146, 0.35), rgba(142, 150, 159, 0.15));
  border-radius: 2px;
  opacity: 0.85;
}
.ms-screen.multi { height: 28%; top: 14%; }

.ms-arm {
  position: absolute;
  top: 42%;
  right: -48px;
  width: 70px;
  height: 14px;
  background: linear-gradient(90deg, var(--metal), var(--metal-light));
  border-radius: 4px;
  box-shadow: 4px 6px 12px rgba(0,0,0,0.15);
}
.ms-arm::after {
  content: '';
  position: absolute;
  right: -18px;
  top: -10px;
  width: 28px;
  height: 34px;
  background: linear-gradient(180deg, var(--metal-shine), var(--metal));
  border-radius: 50% 50% 40% 40%;
}

.ms-wing {
  position: absolute;
  top: 50%;
  left: -36px;
  width: 40px;
  height: 90px;
  background: linear-gradient(180deg, var(--metal-light), var(--metal));
  border-radius: 8px;
  box-shadow: -4px 8px 16px rgba(0,0,0,0.12);
}

.ms-probe {
  position: absolute;
  top: 48%;
  right: -30px;
  width: 16px;
  height: 100px;
  background: linear-gradient(180deg, var(--metal-shine), var(--copper));
  border-radius: 8px;
}

.ms-rack {
  position: absolute;
  bottom: 18%;
  left: -28px;
  width: 24px;
  height: 80px;
  background: var(--metal);
  border-radius: 4px;
  box-shadow: 6px 0 0 var(--metal-light), 12px 0 0 var(--metal);
}

.ms-base {
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 220px;
  height: 18px;
  background: linear-gradient(90deg, transparent, rgba(22,24,27,0.18), transparent);
  border-radius: 50%;
  filter: blur(2px);
}
.ms-base.wide { width: 280px; }

.ms-glow {
  position: absolute;
  bottom: 8%;
  left: 50%;
  transform: translateX(-50%);
  width: 160px;
  height: 40px;
  background: radial-gradient(ellipse, rgba(196, 167, 146, 0.35), transparent 70%);
  filter: blur(8px);
}

.machine-silhouette.large .ms-body { width: 220px; height: 400px; }
.machine-silhouette.large .ms-base { width: 260px; }

/* ----- Rail ----- */
.showroom-rail {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--hairline-strong);
  background: rgba(240, 238, 233, 0.72);
  backdrop-filter: blur(10px);
}

.rail-item {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto;
  gap: 2px 12px;
  padding: 18px 20px;
  background: transparent;
  border: none;
  border-right: 1px solid var(--hairline);
  text-align: left;
  cursor: pointer;
  font-family: inherit;
  color: var(--ink-muted);
  transition: background 0.3s, color 0.3s;
  position: relative;
}
.rail-item:last-child { border-right: none; }
.rail-item:hover { color: var(--ink); background: rgba(255,255,255,0.35); }
.rail-item.is-active { color: var(--ink); background: rgba(255,255,255,0.5); }
.rail-item.is-active::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--ink);
}

.rail-index {
  grid-row: 1 / 3;
  align-self: center;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: var(--metal);
}
.rail-item.is-active .rail-index { color: var(--copper); }

.rail-name {
  font-family: var(--font-display);
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: inherit;
}
.rail-meta {
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

/* ============================================================
   FLOOR / DOSSIER
   ============================================================ */
.floor-section {
  padding: 100px 0 80px;
  background: var(--bg-elevated);
  border-top: 1px solid var(--hairline);
}

.floor-header { margin-bottom: 56px; }
.floor-header h2 {
  max-width: 11em; /* fit "Four platforms" / 四套平台 as one intentional line each */
  line-height: 1.15;
  text-wrap: balance;
}

.dossier {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 64px;
  align-items: center;
}

.dossier-visual {
  position: relative;
  min-height: 420px;
  background:
    linear-gradient(180deg, transparent 60%, rgba(203, 200, 192, 0.5) 100%),
    radial-gradient(ellipse 60% 40% at 50% 70%, rgba(142, 150, 159, 0.25), transparent);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--hairline);
}

.dossier-plate {
  position: absolute;
  top: 24px;
  left: 24px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  z-index: 2;
}
.plate-mark {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: var(--ink-muted);
}
.plate-model {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.02em;
}

.dossier-machine-wrap {
  position: relative;
  width: min(100%, 380px);
  height: 420px;
  display: flex;
  align-items: flex-end;
  justify-content: center;
}
.dossier-photo {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: bottom center;
  filter: drop-shadow(12px 20px 28px rgba(22, 24, 27, 0.18));
}
.dossier-machine-wrap .machine-silhouette {
  position: absolute;
  inset: 0;
}

.dossier-cat {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--copper);
  margin-bottom: 12px;
}

.dossier-copy h3 { margin-bottom: 16px; }
.dossier-copy > p {
  font-size: 1.05rem;
  font-weight: 300;
  color: var(--ink-soft);
  max-width: 32rem;
  margin-bottom: 28px;
}

.spec-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 32px;
  padding: 20px 0;
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
}
.spec-strip dt {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 6px;
}
.spec-strip dd {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--ink);
}

/* ============================================================
   MATERIAL BAND
   ============================================================ */
.material-band {
  position: relative;
  padding: 88px 0;
  background: var(--ink);
  color: var(--bg);
  overflow: hidden;
}
.material-band-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.material-band-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.28;
  filter: grayscale(0.35) contrast(1.05);
}
.material-band-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, rgba(22,24,27,0.92) 0%, rgba(22,24,27,0.72) 55%, rgba(22,24,27,0.55) 100%);
}
.material-band-inner {
  position: relative;
  z-index: 1;
  max-width: 48rem;
}

.material-quote {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: -0.02em;
  color: var(--surface);
  margin-bottom: 28px;
}

.material-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
}
.material-tags span {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--metal-light);
}

/* ============================================================
   SYSTEMS INDEX (rows, not cards)
   ============================================================ */
.systems-index { background: var(--bg); }

.system-rows { border-top: 1px solid var(--hairline-strong); }

.system-row { border-bottom: 1px solid var(--hairline); }

.system-row-link {
  display: grid;
  grid-template-columns: 48px 1.2fr 1.4fr auto;
  align-items: center;
  gap: 16px;
  padding: 28px 8px;
  color: var(--ink);
  text-decoration: none;
  transition: background 0.25s, padding-left 0.35s var(--ease);
}
.system-row-link:hover {
  background: rgba(255,255,255,0.45);
  padding-left: 16px;
  color: var(--ink);
}

.sr-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--metal);
}
.sr-name {
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2vw, 1.45rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}
.sr-use {
  font-size: 0.88rem;
  color: var(--ink-muted);
  font-weight: 300;
}
.sr-go {
  font-size: 1.25rem;
  color: var(--copper);
  transition: transform 0.3s var(--ease);
}
.system-row-link:hover .sr-go { transform: translateX(6px); }

/* ============================================================
   CTA FLOOR
   ============================================================ */
.cta-floor {
  background: var(--bg-deep);
  border-top: 1px solid var(--hairline);
  padding: 100px 0;
}

.cta-floor-inner {
  text-align: left;
  max-width: 32rem;
}
.cta-floor-inner h2 { margin-bottom: 12px; }
.cta-floor-inner p {
  color: var(--ink-muted);
  margin-bottom: 28px;
  font-weight: 300;
  font-size: 1.05rem;
}

/* Legacy CTA class used on other pages */
.cta-section { padding: 96px 0; background: var(--bg-deep); }
.cta-block { max-width: 36rem; }
.cta-block h2 { margin-bottom: 12px; }
.cta-block p { color: var(--ink-muted); margin-bottom: 28px; }
.cta-actions { display: flex; flex-wrap: wrap; gap: 12px; }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--ink);
  color: rgba(240, 238, 233, 0.65);
  padding: 72px 0 28px;
}

.footer-main {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand .logo-text { color: var(--surface); }
.footer-desc {
  margin-top: 16px;
  font-size: 0.9rem;
  font-weight: 300;
  max-width: 28rem;
  line-height: 1.6;
}
.footer-company {
  margin-top: 12px;
  font-size: 0.8rem;
  color: var(--metal);
}

.footer-links {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.footer-col h4 {
  color: var(--surface);
  margin-bottom: 16px;
  font-size: 0.72rem;
}
.footer-col a {
  display: block;
  color: rgba(240, 238, 233, 0.6);
  font-size: 0.88rem;
  padding: 4px 0;
  text-decoration: none;
}
.footer-col a:hover { color: var(--surface); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 20px;
  font-size: 0.75rem;
  color: rgba(240, 238, 233, 0.4);
}

/* ============================================================
   INNER PAGES — shared
   ============================================================ */
.page-hero,
.page-hero-products,
.page-hero-contact {
  padding: calc(var(--header-height) + 72px) 0 48px;
  background:
    radial-gradient(ellipse 50% 60% at 80% 20%, rgba(184, 191, 198, 0.4), transparent),
    var(--bg);
  border-bottom: 1px solid var(--hairline);
}

.page-hero h1,
.page-hero-products h1,
.page-hero-contact h1 { margin-bottom: 12px; }

.page-hero p {
  color: var(--ink-muted);
  max-width: 36rem;
  font-weight: 300;
  font-size: 1.05rem;
}

/* Trust strip (products etc.) */
.trust-strip {
  padding: 20px 0;
  border-bottom: 1px solid var(--hairline);
  background: var(--bg-elevated);
}
.trust-strip-inner {
  display: flex;
  align-items: center;
  gap: 28px;
  flex-wrap: wrap;
}
.trust-strip-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-muted);
}
.trust-strip-logos {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
}
.trust-logo-item {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--ink-soft);
}

/* Showcase (products grid) — refined, less “cardy” */
.showcase { background: var(--bg); }
.showcase-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--hairline-strong);
  border: 1px solid var(--hairline-strong);
}

.showcase-card {
  background: var(--bg-elevated);
  display: flex;
  flex-direction: column;
  transition: background 0.3s;
}
.showcase-card:hover { background: var(--surface); }

.showcase-card-visual {
  aspect-ratio: 16 / 11;
  background: linear-gradient(160deg, var(--bg-deep), var(--metal-light));
  display: flex;
  align-items: flex-end;
  padding: 20px;
  position: relative;
  overflow: hidden;
}
.showcase-card-visual img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center 60%;
  padding: 12px 16px 36px;
  transition: transform 0.5s var(--ease);
}
.showcase-card:hover .showcase-card-visual img {
  transform: scale(1.04);
}
.showcase-card-visual span {
  position: relative;
  z-index: 1;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--ink);
  letter-spacing: -0.02em;
  text-shadow: 0 1px 0 rgba(255,255,255,0.5);
}

.showcase-card-body { padding: 28px; flex: 1; display: flex; flex-direction: column; }
.showcase-card-cat {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--copper);
  margin-bottom: 8px;
}
.showcase-card-body h3 { margin-bottom: 10px; }
.showcase-card-body p {
  font-size: 0.92rem;
  font-weight: 300;
  color: var(--ink-muted);
  flex: 1;
  margin-bottom: 20px;
}
.showcase-link {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--ink);
  align-self: flex-start;
  padding-bottom: 2px;
}
.showcase-link:hover { color: var(--copper); border-color: var(--copper); }

/* Stats */
.stats-section {
  padding: 64px 0;
  background: var(--ink);
  color: var(--surface);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}
.stat-item { text-align: left; }
.stat-number, .stat-plus {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--surface);
}
.stat-plus { color: var(--skin); }
.stat-item p {
  margin-top: 6px;
  font-size: 0.82rem;
  color: var(--metal-light);
  letter-spacing: 0.04em;
}

/* Why */
.why-section { background: var(--bg-elevated); }
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}
.why-number {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--copper);
  margin-bottom: 12px;
  letter-spacing: 0.08em;
}
.why-card h3 { margin-bottom: 10px; }
.why-card p { font-weight: 300; color: var(--ink-muted); font-size: 0.95rem; }

/* Showreel */
.showreel { background: var(--bg); }
.showreel-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.showreel-content h2 { margin-bottom: 16px; }
.showreel-content p {
  font-weight: 300;
  color: var(--ink-muted);
  margin-bottom: 24px;
  max-width: 28rem;
}
.showreel-frame {
  aspect-ratio: 4 / 3;
  border: 1px solid var(--hairline-strong);
  background:
    radial-gradient(ellipse at 50% 60%, rgba(142,150,159,0.3), transparent),
    var(--bg-deep);
  display: flex;
  align-items: center;
  justify-content: center;
}
.showreel-img-placeholder span {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.4rem;
  color: var(--ink);
}

/* About */
.about-section { padding: 80px 0; }
.about-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.about-intro-image img {
  width: 100%;
  border: 1px solid var(--hairline);
  filter: grayscale(0.2) contrast(1.05);
}
.about-intro-content p {
  font-weight: 300;
  color: var(--ink-muted);
  margin-top: 12px;
}

.values-grid,
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
  margin-top: 40px;
}
.value-card, .team-card {
  padding: 28px 0;
  border-top: 1px solid var(--hairline-strong);
}
.value-card h3, .team-card h3 { margin-bottom: 8px; }
.value-card p, .team-card p { font-weight: 300; color: var(--ink-muted); font-size: 0.92rem; }

/* Contact */
.contact-section { padding: 64px 0 96px; }
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.2fr;
  gap: 48px;
}
.contact-card {
  padding: 0 0 28px;
  border-bottom: 1px solid var(--hairline);
  margin-bottom: 28px;
}
.contact-card:last-of-type { border-bottom: none; margin-bottom: 0; }
.contact-card h3 { margin-bottom: 10px; }
.contact-card p { font-weight: 300; color: var(--ink-muted); font-size: 0.95rem; overflow-wrap: anywhere; word-break: break-word; }
.contact-delivery p { max-width: 100%; }

.delivery-partners {
  list-style: none;
  margin: 16px 0 0;
  display: grid;
  gap: 10px;
}
.delivery-partner {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 16px;
  border: 1px solid var(--hairline-strong);
  background: var(--bg-elevated);
  color: var(--ink);
  text-decoration: none;
  transition: border-color 0.2s, background 0.2s;
}
.delivery-partner:hover {
  border-color: var(--ink);
  color: var(--ink);
  background: var(--surface);
}
.delivery-partner-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}
.delivery-partner-note {
  font-size: 0.82rem;
  font-weight: 300;
  color: var(--ink-muted);
  line-height: 1.4;
}

.form-group { margin-bottom: 20px; }
.form-group label,
.form-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 6px;
}
.form-group input,
.form-group select,
.form-group textarea,
.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--hairline-strong);
  border-radius: 2px;
  background: var(--surface);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--ink);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus,
.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--ink);
  box-shadow: 0 0 0 3px rgba(22, 24, 27, 0.08);
}
.form-group textarea,
.form-textarea { min-height: 120px; resize: vertical; }

.form-success {
  display: none;
  padding: 32px;
  border: 1px solid var(--hairline-strong);
  background: var(--bg-elevated);
}
.form-success.show { display: block; }

.accordion { border-top: 1px solid var(--hairline-strong); margin-top: 48px; }
.accordion-item { border-bottom: 1px solid var(--hairline); }
.accordion-trigger {
  width: 100%;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  text-align: left;
  background: none;
  border: none;
  padding: 20px 0;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--ink);
  cursor: pointer;
  line-height: 1.35;
}
.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s var(--ease);
}
.accordion-item.active .accordion-content { max-height: 640px; }
.accordion-content p {
  padding-bottom: 20px;
  font-weight: 300;
  color: var(--ink-muted);
}

/* Product detail */
.breadcrumbs {
  padding: calc(var(--header-height) + 24px) 0 16px;
  font-size: 0.8rem;
  color: var(--ink-muted);
}
.breadcrumbs a { color: var(--ink-muted); text-decoration: none; }
.breadcrumbs a:hover { color: var(--ink); }
.breadcrumbs .separator { margin: 0 8px; }

.product-detail-section { padding: 24px 0 80px; }
.product-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}
.product-detail-main-image {
  width: 100%;
  border: 1px solid var(--hairline);
  background: linear-gradient(165deg, #EAE8E3 0%, #DDDAD3 48%, #C9C5BC 100%);
  object-fit: contain;
  aspect-ratio: 1 / 1;
}
.product-detail-thumbs {
  display: flex;
  gap: 8px;
  margin-top: 12px;
  flex-wrap: wrap;
}
.product-detail-thumb-btn {
  appearance: none;
  background: transparent;
  border: none;
  padding: 0;
  cursor: pointer;
  line-height: 0;
  border-radius: 2px;
}
.product-detail-thumb-btn.is-active .product-detail-thumb,
.product-detail-thumb-btn:hover .product-detail-thumb,
.product-detail-thumb-btn:focus-visible .product-detail-thumb {
  opacity: 1;
  border-color: var(--ink);
}
.product-detail-thumb-btn:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 2px;
}
.product-detail-thumb {
  width: 72px;
  height: 90px;
  object-fit: cover;
  object-position: center bottom;
  border: 1px solid var(--hairline);
  cursor: pointer;
  opacity: 0.7;
  transition: opacity 0.2s, border-color 0.2s;
  background: var(--bg-deep);
}
.product-detail-thumb.active,
.product-detail-thumb:hover {
  opacity: 1;
  border-color: var(--ink);
}

.product-detail-tagline {
  font-weight: 300;
  color: var(--ink-muted);
  margin: 8px 0 20px;
  font-size: 1.05rem;
}
.product-detail-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 20px;
}
.product-detail-category,
.product-detail-badge {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 6px 10px;
  border: 1px solid var(--hairline-strong);
  color: var(--ink-soft);
}

.trust-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  margin-bottom: 24px;
  padding: 16px 0;
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
}
.trust-item {
  font-size: 0.85rem;
  color: var(--ink-soft);
}

.product-detail-description p {
  font-weight: 300;
  color: var(--ink-muted);
  margin-bottom: 14px;
}
.product-detail-description strong { color: var(--ink); font-weight: 500; }

.product-detail-contact {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}
.product-detail-contact p { width: 100%; margin-bottom: 4px; color: var(--ink); }

.trust-banner {
  padding: 40px 0;
  background: var(--ink);
  color: var(--metal-light);
  text-align: center;
  font-size: 0.9rem;
}
.trust-banner-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px 20px;
  align-items: center;
}
.trust-banner-item {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 0.82rem;
  letter-spacing: 0.02em;
  line-height: 1.35;
}
.trust-banner-icon {
  width: 7px;
  height: 7px;
  flex-shrink: 0;
  background: var(--copper);
  border-radius: 1px;
}

.detail-features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px 32px;
  margin-top: 28px;
}
.detail-feature-card {
  padding: 20px 0;
  border-top: 1px solid var(--hairline);
}
.detail-feature-card h3 {
  font-family: var(--font-sans);
  font-size: 1rem;
  letter-spacing: -0.01em;
  text-transform: none;
  margin-bottom: 0.5rem;
}
.detail-feature-card p {
  color: var(--ink-muted);
  font-size: 0.95rem;
  font-weight: 300;
  line-height: 1.5;
}

/* Alias: product CTAs used this class on light cta-section */
.btn-outline-light {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--hairline-strong);
}
.btn-outline-light:hover {
  border-color: var(--ink);
  color: var(--ink);
  background: transparent;
}

.testimonial-section { padding: 64px 0; background: var(--bg-elevated); }
.testimonial-block {
  max-width: 40rem;
  margin: 0 auto;
  position: relative;
}
.testimonial-mark {
  font-family: var(--font-display);
  font-size: 3.5rem;
  line-height: 1;
  color: var(--metal);
  opacity: 0.45;
  display: block;
  margin-bottom: 0.5rem;
}
.testimonial-block blockquote {
  font-size: clamp(1.05rem, 2.2vw, 1.25rem);
  line-height: 1.55;
  color: var(--ink);
  font-weight: 400;
  margin-bottom: 1.25rem;
}
.testimonial-author {
  font-size: 0.88rem;
  color: var(--ink-muted);
  line-height: 1.45;
}

.products-grid,
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 28px;
}
.related-products { padding: 72px 0; }
.product-card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--hairline);
  background: var(--bg-elevated);
  overflow: hidden;
  min-width: 0;
}
.product-card-image {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: contain;
  background: linear-gradient(165deg, #EAE8E3 0%, #DDDAD3 48%, #C9C5BC 100%);
}
.product-card-body {
  padding: 18px 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}
.product-card-category {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-muted);
}
.product-card-body h3 {
  font-size: 1.05rem;
  letter-spacing: -0.02em;
  line-height: 1.25;
}
.product-card-body p {
  font-size: 0.88rem;
  color: var(--ink-muted);
  font-weight: 300;
  line-height: 1.45;
}
.product-card-footer { margin-top: auto; padding-top: 12px; }
.product-card-link {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--hairline-strong);
  padding-bottom: 2px;
}
.product-card-link:hover { color: var(--copper); border-color: var(--copper); }

.specs-section,
.features-section,
.related-section { padding: 72px 0; }
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}
.specs-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 24px;
}
.specs-table th,
.specs-table td {
  text-align: left;
  padding: 14px 12px;
  border-bottom: 1px solid var(--hairline);
  font-size: 0.9rem;
}
.specs-table th {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-muted);
  font-weight: 500;
  width: 40%;
}
.specs-table td { color: var(--ink); font-weight: 450; }

.feature-list { margin-top: 24px; }
.feature-list li {
  padding: 14px 0;
  border-bottom: 1px solid var(--hairline);
  font-weight: 300;
  color: var(--ink-soft);
}

/* Broken about header structure fix */
header.site-header > .logo { margin-left: 28px; }
header.site-header > nav,
header.site-header > .nav-overlay { margin-right: 28px; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1023px) {
  .showroom-stage {
    grid-template-columns: 1fr;
    padding-top: 32px;
    padding-bottom: 16px;
  }
  .stage-machine {
    order: -1;
    height: min(42vh, 360px);
  }
  .stage-copy { max-width: none; text-align: left; }
  .brand-mark { margin-bottom: 0.75rem; }
  .showroom-rail { grid-template-columns: 1fr 1fr; }
  .rail-item:nth-child(2) { border-right: none; }
  .rail-item:nth-child(1),
  .rail-item:nth-child(2) { border-bottom: 1px solid var(--hairline); }

  .dossier { grid-template-columns: 1fr; gap: 40px; }
  .dossier-visual { min-height: 340px; }
  .spec-strip { grid-template-columns: 1fr; gap: 16px; }

  .system-row-link {
    grid-template-columns: 40px 1fr auto;
    grid-template-rows: auto auto;
  }
  .sr-use { grid-column: 2; grid-row: 2; }
  .sr-go { grid-row: 1 / 3; }

  .showcase-grid { grid-template-columns: 1fr; }
  .showreel-grid,
  .about-intro,
  .product-detail-grid,
  .contact-grid,
  .footer-main { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
  .why-grid { grid-template-columns: 1fr; gap: 28px; }
  .trust-banner-grid { grid-template-columns: 1fr 1fr; }
  .detail-features-grid { grid-template-columns: 1fr 1fr; }
  .products-grid,
  .related-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 767px) {
  .container { padding: 0 16px; }
  .section, .floor-section, .cta-floor { padding: 56px 0; }
  :root { --header-height: 60px; }

  .site-header {
    padding-left: env(safe-area-inset-left);
    padding-right: env(safe-area-inset-right);
  }

  .nav-list {
    display: none;
    position: fixed;
    inset: var(--header-height) 0 0 0;
    background: var(--bg-elevated);
    flex-direction: column;
    padding: 28px 20px calc(28px + env(safe-area-inset-bottom));
    gap: 4px;
    z-index: 999;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }
  .nav-list.open { display: flex; }
  .nav-link { font-size: 1.15rem; padding: 14px 0; min-height: 44px; }
  .menu-toggle {
    display: flex;
    min-width: 44px;
    min-height: 44px;
    align-items: center;
    justify-content: center;
  }
  .header-cta { display: none; }
  .lang-switcher { order: 2; }
  .lang-btn { padding: 8px 10px; min-height: 36px; }
  .menu-toggle { order: 3; }
  .logo { order: 1; margin-right: auto; }
  .header-inner { gap: 8px; }

  /* Horizontal product rail — swipe, not stacked list */
  .showroom-rail {
    display: flex;
    overflow-x: auto;
    overflow-y: hidden;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior-x: contain;
    scrollbar-width: none;
  }
  .showroom-rail::-webkit-scrollbar { display: none; }
  .rail-item {
    flex: 0 0 min(78vw, 280px);
    scroll-snap-align: start;
    border-right: 1px solid var(--hairline);
    border-bottom: none;
    padding: 14px 16px;
    min-height: 72px;
  }
  .rail-item:last-child { border-right: none; }
  .rail-item.is-active::after {
    height: 2px;
    width: 100%;
    top: 0;
    bottom: auto;
    left: 0;
    right: 0;
  }

  .stage-machine { height: min(38vh, 320px); }
  .hero-line { font-size: clamp(2.1rem, 9vw, 2.8rem); }
  .hero-lede { font-size: 0.98rem; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { width: 100%; min-height: 48px; }

  /* Two-line floor title — don't squeeze into weird mid-phrase wraps */
  .floor-header { margin-bottom: 28px; }
  .floor-header h2 {
    max-width: none;
    font-size: clamp(1.85rem, 8.2vw, 2.35rem);
    line-height: 1.2;
    letter-spacing: -0.02em;
  }
  html[data-lang="zh-TW"] .floor-header h2,
  html[data-lang="zh-CN"] .floor-header h2 {
    letter-spacing: 0.02em;
    font-size: clamp(1.75rem, 7.5vw, 2.2rem);
    line-height: 1.28;
  }

  /* Avoid iOS zoom on focus */
  .form-group input,
  .form-group select,
  .form-group textarea,
  .form-input,
  .form-select,
  .form-textarea {
    font-size: 16px;
  }

  .stats-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
  .footer-links { grid-template-columns: 1fr 1fr; gap: 24px; }
  .btn { min-height: 44px; }

  .atm-grain { display: none; }
  .showroom-rail { backdrop-filter: none; background: rgba(240, 238, 233, 0.92); }
}

/* Product story blocks (Viva / Bliss) */
.story-note {
  font-size: 1.05rem;
  color: var(--ink-soft);
  max-width: 40rem;
  margin-bottom: 2rem;
  line-height: 1.55;
}
.story-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px 48px;
}
.story-block h2 {
  font-size: clamp(1.25rem, 2vw, 1.6rem);
  margin-bottom: 0.75rem;
}
.story-block p { color: var(--ink-muted); font-weight: 300; }
.benefit-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px 28px;
  margin-top: 28px;
}
.benefit-card {
  padding: 22px 0;
  border-top: 1px solid var(--hairline);
}
.benefit-card h3 {
  font-family: var(--font-sans);
  font-size: 1rem;
  letter-spacing: -0.01em;
  text-transform: none;
  margin-bottom: 0.5rem;
}
.benefit-card p {
  color: var(--ink-muted);
  font-size: 0.95rem;
  font-weight: 300;
}
.indication-list,
.evidence-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 32px;
  margin-top: 20px;
  list-style: none;
}
.indication-list li,
.evidence-list li {
  position: relative;
  padding-left: 1.1rem;
  color: var(--ink-soft);
  font-weight: 300;
  line-height: 1.45;
}
.indication-list li::before,
.evidence-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  background: var(--copper);
  border-radius: 1px;
}
@media (max-width: 767px) {
  .story-grid,
  .benefit-grid,
  .indication-list,
  .evidence-list { grid-template-columns: 1fr; }
}

/* Performance + a11y — avoid content-visibility on scroll-path sections (causes jump-back on some phones) */
.site-footer {
  content-visibility: auto;
  contain-intrinsic-size: auto 480px;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  [data-reveal], [data-scroll] { opacity: 1 !important; transform: none !important; }
}

/* Reveal helpers (JS toggles opacity via GSAP) */
[data-reveal], [data-scroll] { will-change: transform, opacity; }

@media (max-width: 767px) {
  [data-reveal], [data-scroll] {
    will-change: auto;
    opacity: 1 !important;
    transform: none !important;
  }
}


/* —— GEO citeable FAQ —— */
.geo-faq { padding: 72px 0; background: var(--bg-elevated); }
.geo-faq-list { max-width: 720px; margin: 32px auto 0; display: grid; gap: 10px; }
.geo-faq-item {
  border-top: 1px solid var(--hairline-strong, rgba(40,40,40,.18));
  padding: 14px 0;
}
.geo-faq-item summary {
  cursor: pointer;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  list-style: none;
  color: var(--ink, #1c1b19);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  line-height: 1.35;
}
.geo-faq-item summary::-webkit-details-marker { display: none; }
.geo-faq-item summary::after {
  content: "+";
  flex-shrink: 0;
  font-weight: 600;
  color: var(--metal, #8E969F);
}
.geo-faq-item[open] summary::after { content: "–"; }
.geo-faq-item p {
  margin: 10px 0 4px;
  color: var(--ink-muted, #4a4844);
  line-height: 1.55;
  font-size: 0.95rem;
}

/* ============================================================
   PHONE POLISH — whole-site overflow / type / spacing
   ============================================================ */
@media (max-width: 767px) {
  html { font-size: 15px; }

  h1 { font-size: clamp(1.7rem, 7.2vw, 2.2rem); line-height: 1.18; }
  h2 { font-size: clamp(1.4rem, 6vw, 1.85rem); line-height: 1.22; }
  h3 { font-size: clamp(1.1rem, 4.5vw, 1.3rem); line-height: 1.3; }

  html[data-lang="zh-TW"] h1,
  html[data-lang="zh-TW"] h2,
  html[data-lang="zh-TW"] h3,
  html[data-lang="zh-CN"] h1,
  html[data-lang="zh-CN"] h2,
  html[data-lang="zh-CN"] h3 {
    letter-spacing: 0.01em;
    line-height: 1.28;
  }

  .eyebrow,
  .section-label {
    letter-spacing: 0.06em;
    margin-bottom: 0.7rem;
  }
  html[data-lang="zh-TW"] .eyebrow,
  html[data-lang="zh-CN"] .eyebrow,
  html[data-lang="zh-TW"] .section-label,
  html[data-lang="zh-CN"] .section-label {
    letter-spacing: 0.04em;
    text-transform: none;
  }

  .container {
    padding-left: max(16px, env(safe-area-inset-left));
    padding-right: max(16px, env(safe-area-inset-right));
  }

  .showroom-stage { padding: 20px 16px 12px; }
  .brand-mark {
    font-size: clamp(2rem, 11vw, 2.55rem);
    letter-spacing: 0.04em;
    margin-bottom: 0.55rem;
  }
  .hero-line {
    font-size: clamp(1.35rem, 5.5vw, 1.7rem);
    line-height: 1.25;
  }
  html[data-lang="zh-TW"] .hero-line,
  html[data-lang="zh-CN"] .hero-line {
    letter-spacing: 0.02em;
  }
  .hero-lede {
    max-width: none;
    font-size: 0.95rem;
    margin-bottom: 1.25rem;
  }

  .showroom-hero { min-height: auto; }
  .stage-machine {
    height: min(36vh, 280px);
    overflow: hidden;
  }
  .stage-photo { filter: drop-shadow(8px 14px 22px rgba(22, 24, 27, 0.18)); }

  .showroom-rail {
    margin-inline: 0;
    padding-inline: 0;
    scroll-padding-inline: 16px;
  }
  .rail-item {
    flex: 0 0 min(72vw, 240px);
    min-width: 0;
  }
  .rail-name {
    font-size: 0.92rem;
    word-break: break-word;
  }
  .rail-meta {
    font-size: 0.72rem;
    letter-spacing: 0.02em;
    text-transform: none;
  }

  .section,
  .floor-section,
  .cta-floor,
  .cta-section,
  .about-section,
  .contact-section,
  .material-band,
  .geo-faq,
  .specs-section,
  .features-section,
  .related-section,
  .detail-features,
  .testimonial-section,
  .product-detail-section,
  .related-products {
    padding-top: 48px;
    padding-bottom: 48px;
  }
  .contact-section { padding-bottom: 64px; }
  .site-footer { padding: 48px 0 24px; }
  .page-hero,
  .page-hero-products,
  .page-hero-contact {
    padding: calc(var(--header-height) + 36px) 0 28px;
  }

  .section-header { margin-bottom: 28px; }
  .section-subtitle { font-size: 0.95rem; max-width: none; }

  .floor-header { margin-bottom: 24px; }
  .floor-header h2 {
    max-width: none;
    font-size: clamp(1.55rem, 7vw, 2rem);
    line-height: 1.22;
  }
  html[data-lang="zh-TW"] .floor-header h2,
  html[data-lang="zh-CN"] .floor-header h2 {
    letter-spacing: 0.02em;
    line-height: 1.3;
  }

  .dossier-visual { min-height: 260px; }
  .dossier-machine-wrap { height: min(58vw, 300px); overflow: hidden; }
  .dossier-plate { top: 14px; left: 14px; }
  .plate-model { font-size: 1.15rem; }

  .material-band-inner { padding-inline: 0; }
  .material-quote {
    font-size: clamp(1.2rem, 5.5vw, 1.55rem);
    line-height: 1.35;
  }
  html[data-lang="zh-TW"] .material-quote,
  html[data-lang="zh-CN"] .material-quote {
    letter-spacing: 0.01em;
  }

  .system-row-link {
    grid-template-columns: 32px 1fr auto;
    gap: 10px 12px;
    padding: 18px 0;
  }
  .sr-name { font-size: 1.05rem; word-break: break-word; }
  .sr-use { font-size: 0.82rem; }

  .stats-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .footer-links {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .footer-main { gap: 36px; }

  .trust-banner { padding: 28px 0; }
  .trust-banner-grid {
    grid-template-columns: 1fr 1fr;
    gap: 14px 12px;
  }
  .trust-banner-item {
    font-size: 0.75rem;
    justify-content: flex-start;
    text-align: left;
  }

  .detail-features-grid,
  .products-grid,
  .related-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .product-card-body { padding: 16px 14px 18px; }
  .product-card-body h3 { font-size: 1rem; }

  .product-detail-contact,
  .cta-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .product-detail-contact .btn,
  .cta-actions .btn { width: 100%; }

  .showcase-card-body { padding: 20px; }
  .values-grid,
  .team-grid { grid-template-columns: 1fr; }

  .geo-faq { padding: 48px 0; }
  .geo-faq-list { margin-top: 20px; }
  .geo-faq-item summary {
    font-size: 0.95rem;
    font-family: var(--font-sans);
  }
  html[data-lang="zh-TW"] .geo-faq-item summary,
  html[data-lang="zh-CN"] .geo-faq-item summary {
    letter-spacing: 0;
  }

  .testimonial-mark { font-size: 2.5rem; }
  .testimonial-block blockquote { font-size: 1rem; }

  .breadcrumbs {
    padding-top: calc(var(--header-height) + 16px);
    font-size: 0.75rem;
    overflow-x: auto;
    white-space: nowrap;
    -webkit-overflow-scrolling: touch;
  }

  .form-group select { max-width: 100%; }

  /* Kill leftover absolute wing overflow */
  .stage-machine,
  .dossier-machine-wrap,
  .product-detail-gallery { overflow: hidden; max-width: 100%; }

  img, svg, video, canvas, iframe {
    max-width: 100%;
    height: auto;
  }
}

/* ----- Image Protection ----- */
.stage-photo, .dossier-photo,
.product-detail-main-image, .product-detail-thumb {
  user-select: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
}
.material-band-bg img {
  user-select: none;
  -webkit-user-select: none;
  pointer-events: none;
}


/* —— About business profile —— */
.about-biz { padding-top: 24px; }
.about-biz-intro { max-width: 48rem; margin-bottom: 48px; }
.about-biz-intro h2 { margin-bottom: 16px; }
.about-biz-intro p {
  font-weight: 300;
  color: var(--ink-muted);
  margin-top: 12px;
  line-height: 1.65;
}
.biz-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px 40px;
}
.biz-block {
  padding: 24px 0 8px;
  border-top: 1px solid var(--hairline-strong);
}
.biz-block h3 {
  font-size: clamp(1.15rem, 2vw, 1.35rem);
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}
.biz-lead {
  font-size: 0.95rem;
  color: var(--ink-soft);
  font-weight: 300;
  margin-bottom: 14px;
  line-height: 1.55;
}
.biz-list {
  list-style: none;
  display: grid;
  gap: 10px;
}
.biz-list li {
  position: relative;
  padding-left: 1.1rem;
  color: var(--ink-muted);
  font-weight: 300;
  font-size: 0.95rem;
  line-height: 1.45;
}
.biz-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  background: var(--copper);
  border-radius: 1px;
}
.biz-note {
  margin-top: 14px;
  font-size: 0.88rem;
  color: var(--ink-soft);
  font-weight: 300;
  line-height: 1.5;
}
.biz-venus-note {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--hairline);
  max-width: 44rem;
  font-size: 0.95rem;
  color: var(--ink-muted);
  font-weight: 300;
  line-height: 1.55;
}
@media (max-width: 767px) {
  .biz-grid { grid-template-columns: 1fr; gap: 8px; }
  .about-biz-intro { margin-bottom: 28px; }
  .biz-venus-note { margin-top: 28px; }
}


/* —— Flyer-aligned about modules —— */
.pillar-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 32px;
}
.pillar-card {
  padding: 22px 0;
  border-top: 2px solid var(--copper);
}
.pillar-card h3 {
  font-size: 1.1rem;
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}
.pillar-card p {
  font-size: 0.92rem;
  font-weight: 300;
  color: var(--ink-muted);
  line-height: 1.5;
}

.flyer-rail {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 28px;
}
.flyer-card {
  margin: 0;
  min-width: 0;
}
.flyer-card a {
  display: block;
  border: 1px solid var(--hairline);
  background: var(--surface);
  overflow: hidden;
}
.flyer-card img {
  width: 100%;
  height: auto;
  display: block;
}
.flyer-card figcaption {
  margin-top: 10px;
  font-size: 0.82rem;
  color: var(--ink-muted);
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}

.why-list,
.client-chips {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}
.why-list li,
.client-chips li {
  padding: 10px 14px;
  border: 1px solid var(--hairline-strong);
  background: var(--bg-elevated);
  font-size: 0.9rem;
  color: var(--ink-soft);
  font-weight: 400;
}

@media (max-width: 1023px) {
  .pillar-grid { grid-template-columns: 1fr 1fr; }
  .flyer-rail { grid-template-columns: 1fr; max-width: 420px; }
}
@media (max-width: 767px) {
  .pillar-grid { grid-template-columns: 1fr; gap: 8px; }
  .flyer-rail { max-width: none; }
}