/* =========================================================
   WESHINE TOOLS INDUSTRIAL — Design System
   Brand Identity 2025 Edition
   ========================================================= */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:wght@400;500;600;700;800;900&family=Plus+Jakarta+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&family=IBM+Plex+Mono:wght@400;500&family=Noto+Serif+TC:wght@400;500;700;900&display=swap');

/* --- Design Tokens --- */
:root {
  /* Primary palette */
  --forge-black:   #111210;
  --brass-gold:    #C8A84A;
  --gold-mist:     #EDD98A;
  --aged-brass:    #7D6828;

  /* Surface & neutral */
  --warm-white:    #FDFCFA;
  --fog:           #F5F3EE;
  --ash:           #ECEAE4;
  --steel-wire:    #C8C5BC;
  --tungsten:      #6B6760;
  --charcoal:      #2E2C29;

  /* Dark surface */
  --dark-card:     #1E1D1B;
  --dark-border:   #2E2C29;

  /* Functional */
  --error:         #BF4040;
  --success:       #2E7A50;

  /* Typography */
  --font-display:  'Barlow Condensed', sans-serif;
  --font-body:     'Plus Jakarta Sans', sans-serif;
  --font-mono:     'IBM Plex Mono', monospace;
  --font-zh:       'Noto Serif TC', serif;

  /* Type scale */
  --text-display:  clamp(3.5rem, 8vw, 8.5rem);
  --text-h1:       clamp(2.4rem, 5vw, 4.5rem);
  --text-h2:       clamp(1.8rem, 3.5vw, 3rem);
  --text-h3:       clamp(1.2rem, 2vw, 1.5rem);
  --text-body:     1rem;
  --text-sm:       0.875rem;
  --text-caption:  0.75rem;
  --text-mono:     0.8125rem;

  /* Spacing */
  --sp-xs:  0.5rem;
  --sp-sm:  1rem;
  --sp-md:  1.5rem;
  --sp-lg:  2.5rem;
  --sp-xl:  4rem;
  --sp-2xl: 6rem;
  --sp-3xl: 9rem;

  /* Layout */
  --container:     1320px;
  --gutter:        clamp(1.25rem, 5vw, 3.5rem);

  /* Nav */
  --nav-height:    72px;

  /* Radius */
  --radius-sm: 2px;
  --radius-md: 4px;
  --radius-lg: 8px;

  /* Transitions */
  --t-fast:  150ms ease;
  --t-base:  250ms ease;
  --t-slow:  400ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Gold divider */
  --gold-line: 2px solid var(--brass-gold);
}

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-body);
  line-height: 1.65;
  color: var(--charcoal);
  background: var(--warm-white);
  overflow-x: hidden;
}

/* Chinese language overrides */
html[lang="zh-TW"] h1,
html[lang="zh-TW"] h2,
html[lang="zh-TW"] .display-heading,
html[lang="zh-TW"] .section-headline {
  font-family: var(--font-zh);
  font-weight: 700;
  letter-spacing: 0.05em;
}
html[lang="zh-TW"] p,
html[lang="zh-TW"] .body-text { font-family: var(--font-zh); }

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

/* --- Container --- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* --- Typography Utilities --- */
.display-heading {
  font-family: var(--font-display);
  font-size: var(--text-display);
  font-weight: 900;
  line-height: 0.92;
  letter-spacing: -0.01em;
  text-transform: uppercase;
}
.section-label {
  font-family: var(--font-mono);
  font-size: var(--text-caption);
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--brass-gold);
}
.section-headline {
  font-family: var(--font-display);
  font-size: var(--text-h1);
  font-weight: 800;
  line-height: 1;
  text-transform: uppercase;
  letter-spacing: -0.01em;
}
.section-headline--light { color: var(--warm-white); }

.body-text {
  font-size: var(--text-body);
  line-height: 1.7;
  color: var(--tungsten);
}
.body-text--light { color: var(--steel-wire); }

.mono-text {
  font-family: var(--font-mono);
  font-size: var(--text-mono);
  letter-spacing: 0.04em;
}

/* Gold separator */
.gold-rule {
  width: 40px;
  height: 2px;
  background: var(--brass-gold);
  display: block;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-xs);
  padding: 0.75rem 1.75rem;
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: 1.5px solid transparent;
  transition: background var(--t-base), color var(--t-base), border-color var(--t-base);
}
.btn-primary {
  background: var(--brass-gold);
  color: var(--forge-black);
  border-color: var(--brass-gold);
}
.btn-primary:hover {
  background: var(--aged-brass);
  border-color: var(--aged-brass);
}
.btn-secondary {
  background: transparent;
  color: var(--warm-white);
  border-color: var(--warm-white);
}
.btn-secondary:hover {
  background: var(--warm-white);
  color: var(--forge-black);
}
.btn-ghost {
  background: transparent;
  color: var(--charcoal);
  border-color: var(--ash);
}
.btn-ghost:hover {
  border-color: var(--brass-gold);
  color: var(--forge-black);
}
.btn-dark {
  background: var(--forge-black);
  color: var(--warm-white);
  border-color: var(--forge-black);
}
.btn-dark:hover {
  background: var(--charcoal);
  border-color: var(--charcoal);
}

/* --- Navigation --- */
.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-height);
  z-index: 1000;
  display: flex;
  align-items: center;
  transition: background var(--t-slow), box-shadow var(--t-slow);
}
.site-nav.scrolled {
  background: rgba(17,18,16,0.97);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--dark-border);
}
.site-nav:not(.scrolled) { background: transparent; }

.nav-inner {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
  display: flex;
  align-items: center;
  gap: var(--sp-lg);
}

/* Logo */
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  color: var(--warm-white);
}
.nav-logo__mark {
  width: 36px;
  height: 36px;
  color: var(--brass-gold);
  flex-shrink: 0;
}
.nav-logo__text { display: flex; flex-direction: column; gap: 1px; }
.nav-logo__name {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 900;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  line-height: 1;
  color: var(--warm-white);
}
.nav-logo__sub {
  font-family: var(--font-mono);
  font-size: 0.55rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--brass-gold);
  line-height: 1;
}

/* Nav links */
.nav-links {
  display: flex;
  align-items: center;
  gap: 0;
  margin-left: auto;
}
.nav-links__item { position: relative; }

.nav-links__link {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 0.5rem 0.85rem;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--steel-wire);
  transition: color var(--t-fast);
  white-space: nowrap;
}
.nav-links__link:hover,
.nav-links__link.active { color: var(--warm-white); }
.nav-links__link.active::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0.85rem; right: 0.85rem;
  height: 1.5px;
  background: var(--brass-gold);
}

/* Dropdown — top:100% closes the gap so mouse can reach the panel */
.nav-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  padding-top: 8px;
  background: transparent;
  min-width: 220px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-6px);
  transition: opacity var(--t-base), transform var(--t-base);
  z-index: 200;
}
.nav-dropdown::before {
  content: '';
  display: block;
  position: absolute;
  inset: 8px 0 0 0;
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-top: var(--gold-line);
  z-index: -1;
}
.nav-links__item:hover .nav-dropdown,
.nav-links__item:focus-within .nav-dropdown {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}
.nav-dropdown a {
  display: block;
  padding: 0.65rem 1.25rem;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--steel-wire);
  transition: color var(--t-fast), background var(--t-fast);
  border-bottom: 1px solid var(--dark-border);
}
.nav-dropdown a:last-child { border-bottom: none; }
.nav-dropdown a:hover { color: var(--warm-white); background: rgba(200,168,74,0.08); }

/* Chevron icon */
.nav-links__chevron {
  width: 10px; height: 10px;
  stroke: currentColor; fill: none;
  stroke-width: 2;
  transition: transform var(--t-fast);
}
.nav-links__item:hover .nav-links__chevron { transform: rotate(180deg); }

/* Language switcher */
.nav-lang {
  display: flex;
  align-items: center;
  gap: 2px;
  border-left: 1px solid var(--dark-border);
  padding-left: var(--sp-md);
  margin-left: var(--sp-xs);
  flex-shrink: 0;
}
.lang-btn {
  padding: 0.3rem 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--tungsten);
  border: 1px solid transparent;
  transition: color var(--t-fast), border-color var(--t-fast);
}
.lang-btn:hover,
.lang-btn.active { color: var(--brass-gold); border-color: var(--brass-gold); }

/* Mobile hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  margin-left: auto;
  padding: 4px;
}
.nav-hamburger span {
  display: block;
  height: 1.5px;
  background: var(--warm-white);
  transition: transform var(--t-base), opacity var(--t-base), width var(--t-base);
}
.nav-hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(4.5px, 4.5px); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; width: 0; }
.nav-hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(4.5px, -4.5px); }

/* Mobile menu */
.nav-mobile {
  display: none;
  position: fixed;
  inset: var(--nav-height) 0 0 0;
  background: rgba(17,18,16,0.98);
  backdrop-filter: blur(16px);
  z-index: 999;
  overflow-y: auto;
  padding: var(--sp-lg) var(--gutter) var(--sp-2xl);
  flex-direction: column;
  gap: 2px;
}
.nav-mobile.open { display: flex; }
.nav-mobile a {
  display: block;
  padding: 1rem 0;
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--steel-wire);
  border-bottom: 1px solid var(--dark-border);
  transition: color var(--t-fast);
}
.nav-mobile a:hover { color: var(--warm-white); }
.nav-mobile .nav-mobile__group-label {
  font-family: var(--font-mono);
  font-size: var(--text-caption);
  letter-spacing: 0.2em;
  color: var(--brass-gold);
  padding: var(--sp-md) 0 0.5rem;
  text-transform: uppercase;
  border-bottom: none;
  pointer-events: none;
}
.nav-mobile .nav-mobile__lang {
  display: flex;
  gap: var(--sp-sm);
  padding-top: var(--sp-lg);
  border-bottom: none;
}

/* --- Page Hero (inner pages) --- */
.page-hero {
  padding-top: calc(var(--nav-height) + clamp(2rem, 4vh, 4rem));
  padding-bottom: clamp(2rem, 4vh, 4rem);
  background: var(--forge-black);
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 100%, rgba(200,168,74,0.06), transparent);
  pointer-events: none;
}
.page-hero__inner {
  position: relative;
  z-index: 1;
}
.page-hero__label { margin-bottom: var(--sp-sm); }
.page-hero__headline {
  font-family: var(--font-display);
  font-size: var(--text-h1);
  font-weight: 900;
  text-transform: uppercase;
  color: var(--warm-white);
  line-height: 1;
  letter-spacing: -0.01em;
  margin-bottom: var(--sp-sm);
}
html[lang="zh-TW"] .page-hero__headline { font-family: var(--font-zh); }
.page-hero__sub {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--tungsten);
  letter-spacing: 0.05em;
  margin-top: var(--sp-xs);
}

/* --- Homepage Hero --- */
.home-hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: flex-end;
  background: var(--forge-black);
  overflow: hidden;
}

.home-hero__video-wrap {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.home-hero__video {
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: 0.65;
}
.home-hero__video-placeholder {
  width: 100%; height: 100%;
  background:
    radial-gradient(ellipse 60% 50% at 60% 40%, rgba(200,168,74,0.07), transparent),
    radial-gradient(ellipse 40% 60% at 20% 70%, rgba(200,168,74,0.04), transparent),
    var(--forge-black);
}
.home-hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(17,18,16,0.85) 0%,
    rgba(17,18,16,0.35) 50%,
    rgba(17,18,16,0.1) 100%
  );
  z-index: 1;
}

.home-hero__content {
  position: relative;
  z-index: 2;
  width: 100%;
  padding-bottom: var(--sp-3xl);
  padding-top: calc(var(--nav-height) + var(--sp-xl));
}
.home-hero__tag {
  font-family: var(--font-mono);
  font-size: var(--text-caption);
  letter-spacing: 0.22em;
  color: var(--brass-gold);
  text-transform: uppercase;
  margin-bottom: var(--sp-md);
}
.home-hero__headline {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5.5vw, 5.5rem);
  font-weight: 800;
  text-transform: uppercase;
  color: var(--warm-white);
  line-height: 0.95;
  letter-spacing: -0.02em;
  max-width: 16ch;
  margin-bottom: var(--sp-lg);
}
html[lang="zh-TW"] .home-hero__headline {
  font-family: var(--font-zh);
  font-size: clamp(2.2rem, 5vw, 5rem);
  letter-spacing: 0.02em;
  line-height: 1.15;
}
.home-hero__brand {
  font-family: var(--font-display);
  font-size: clamp(1rem, 2vw, 1.4rem);
  font-weight: 500;
  color: var(--brass-gold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--sp-md);
}
.home-hero__sub {
  max-width: 55ch;
  color: var(--steel-wire);
  font-size: 1.05rem;
  line-height: 1.65;
  margin-bottom: var(--sp-xl);
}
.home-hero__ctas { display: flex; align-items: center; gap: var(--sp-md); flex-wrap: wrap; }

/* Scroll indicator */
.home-hero__scroll {
  position: absolute;
  bottom: var(--sp-lg);
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  opacity: 0.5;
  animation: scrollBob 2.2s ease-in-out infinite;
}
.home-hero__scroll span {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  color: var(--steel-wire);
  text-transform: uppercase;
}
.home-hero__scroll svg { color: var(--steel-wire); }
@keyframes scrollBob { 0%,100% { transform: translateX(-50%) translateY(0); } 50% { transform: translateX(-50%) translateY(6px); } }

/* --- Section Padding --- */
.section { padding-block: var(--sp-2xl); }
.section--sm { padding-block: var(--sp-2xl); }
.section--lg { padding-block: calc(var(--sp-3xl) * 1.3); }

.section--light { background: var(--warm-white); }
.section--fog   { background: var(--fog); }
.section--dark  { background: var(--forge-black); }
.section--card  { background: var(--dark-card); }

.section__header {
  margin-bottom: var(--sp-xl);
}
.section__header--center { text-align: center; }
.section__header .gold-rule { margin-bottom: var(--sp-sm); }
.section__header--center .gold-rule { margin-inline: auto; }
.section__header .section-headline { margin-top: var(--sp-sm); }

/* --- About Section (homepage) --- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-3xl);
  align-items: start;
}
.about-grid__body { display: flex; flex-direction: column; gap: var(--sp-lg); }
.about-grid__text {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--charcoal);
  white-space: pre-line;
}
.about-grid__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--brass-gold);
  transition: gap var(--t-fast);
}
.about-grid__link:hover { gap: 10px; }
.about-grid__link svg { stroke: currentColor; fill: none; stroke-width: 2; width: 14px; height: 14px; }

.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--ash);
  border: 1px solid var(--ash);
}
.stat-card {
  background: var(--warm-white);
  padding: var(--sp-lg);
  display: flex;
  flex-direction: column;
  gap: var(--sp-xs);
}
.stat-card__value {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4vw, 3.5rem);
  font-weight: 900;
  color: var(--forge-black);
  line-height: 1;
}
.stat-card__value span { color: var(--brass-gold); }
.stat-card__label {
  font-family: var(--font-mono);
  font-size: var(--text-caption);
  letter-spacing: 0.1em;
  color: var(--tungsten);
  text-transform: uppercase;
  white-space: pre-line;
}

/* --- Services Grid --- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--dark-border);
}
.service-card {
  background: var(--forge-black);
  padding: var(--sp-xl) var(--sp-lg);
  display: flex;
  flex-direction: column;
  gap: var(--sp-md);
  transition: background var(--t-base);
  position: relative;
  overflow: hidden;
  cursor: pointer;
  text-decoration: none;
  color: inherit;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--brass-gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t-slow);
}
.service-card:hover::before { transform: scaleX(1); }
.service-card:hover { background: var(--dark-card); }

.service-card__icon {
  width: 44px; height: 44px;
  color: var(--brass-gold);
}
.service-card__icon svg {
  width: 100%; height: 100%;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.25;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.service-card__num {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  color: var(--dark-border);
  text-transform: uppercase;
  position: absolute;
  top: var(--sp-lg);
  right: var(--sp-lg);
}
.service-card__title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--warm-white);
  line-height: 1.1;
}
html[lang="zh-TW"] .service-card__title { font-family: var(--font-zh); font-size: 1.1rem; }
.service-card__desc {
  font-size: var(--text-sm);
  color: var(--tungsten);
  line-height: 1.65;
  flex: 1;
}

/* --- Products Preview --- */
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-md);
}
.product-card {
  background: var(--warm-white);
  border: 1px solid var(--ash);
  overflow: hidden;
  transition: border-color var(--t-base), box-shadow var(--t-base);
  display: block;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}
.product-card:hover {
  border-color: var(--brass-gold);
  box-shadow: 0 4px 24px rgba(200,168,74,0.1);
}
.product-card__thumb {
  aspect-ratio: 4/3;
  background: var(--forge-black);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.product-card__thumb img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform var(--t-slow);
}
.product-card:hover .product-card__thumb img { transform: scale(1.04); }
.product-card__thumb-placeholder {
  width: 100%; height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.product-card__body { padding: var(--sp-lg); }
.product-card__tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--brass-gold);
  margin-bottom: var(--sp-xs);
}
.product-card__title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--forge-black);
  margin-bottom: var(--sp-xs);
}
.product-card__spec {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--tungsten);
  letter-spacing: 0.08em;
}

/* --- Process Steps --- */
.process-steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  position: relative;
}
.process-steps::before {
  content: '';
  position: absolute;
  top: 22px; left: 10%; right: 10%;
  height: 1px;
  background: var(--ash);
}
.process-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--sp-md);
  padding: 0 var(--sp-sm);
  position: relative;
}
.process-step__num {
  width: 44px; height: 44px;
  border: 1.5px solid var(--brass-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--brass-gold);
  background: var(--warm-white);
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}
.process-step__title {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--forge-black);
}
.process-step__desc {
  font-size: var(--text-sm);
  color: var(--tungsten);
  line-height: 1.6;
}

/* --- Product Configurator --- */
.configurator {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: var(--sp-2xl);
  align-items: start;
}
.configurator__controls { display: flex; flex-direction: column; gap: var(--sp-lg); }
.config-group__label {
  font-family: var(--font-mono);
  font-size: var(--text-caption);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--tungsten);
  margin-bottom: var(--sp-sm);
}
.config-tabs {
  display: flex;
  gap: 1px;
  background: var(--ash);
  padding: 1px;
}
.config-tab {
  flex: 1;
  padding: 0.6rem 1rem;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--tungsten);
  background: var(--warm-white);
  transition: background var(--t-fast), color var(--t-fast);
  text-align: center;
}
.config-tab.active {
  background: var(--forge-black);
  color: var(--brass-gold);
}
.config-tab:hover:not(.active) { color: var(--forge-black); }

.color-swatches {
  display: flex;
  gap: var(--sp-sm);
  flex-wrap: wrap;
}
.color-swatch {
  width: 44px; height: 44px;
  border: 2px solid transparent;
  cursor: pointer;
  position: relative;
  transition: border-color var(--t-fast), transform var(--t-fast);
}
.color-swatch:hover { transform: scale(1.08); }
.color-swatch.active { border-color: var(--brass-gold); }
.color-swatch[data-color="black"]  { background: #1A1A1A; }
.color-swatch[data-color="red"]    { background: #8B2020; }
.color-swatch[data-color="blue"]   { background: #1A3A6B; }
.color-swatch[data-color="gray"]   { background: #4A4A4A; }
.color-swatch[data-color="custom"] {
  background: linear-gradient(135deg, #8B2020, #1A3A6B, #1A5C1A, #7A6020);
}
.color-swatch__label {
  position: absolute;
  bottom: -20px; left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  color: var(--tungsten);
  white-space: nowrap;
  opacity: 0;
  transition: opacity var(--t-fast);
}
.color-swatch:hover .color-swatch__label,
.color-swatch.active .color-swatch__label { opacity: 1; }

.layer-btns { display: flex; gap: 1px; background: var(--ash); padding: 1px; width: fit-content; }
.layer-btn {
  width: 48px; height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--tungsten);
  background: var(--warm-white);
  transition: background var(--t-fast), color var(--t-fast);
}
.layer-btn.active {
  background: var(--forge-black);
  color: var(--brass-gold);
}
.layer-btn:hover:not(.active) { color: var(--forge-black); }

/* Foam preview visualization */
.foam-preview {
  background: var(--fog);
  border: 1px solid var(--ash);
  padding: var(--sp-xl);
  display: flex;
  flex-direction: column;
  gap: var(--sp-xl);
}
.foam-preview__label {
  font-family: var(--font-mono);
  font-size: var(--text-caption);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--tungsten);
}
.foam-preview__visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-md);
}
/* Foam tray top-view */
.foam-tray {
  width: 100%;
  max-width: 480px;
  aspect-ratio: 4/3;
  border-radius: var(--radius-sm);
  position: relative;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0,0,0,0.25), inset 0 0 0 1px rgba(255,255,255,0.06);
  transition: background-color var(--t-slow);
}
.foam-tray__surface {
  position: absolute;
  inset: 0;
  background: inherit;
  transition: background var(--t-slow);
}
.foam-tray__pockets {
  position: absolute;
  inset: 20px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(2, 1fr);
  gap: 14px;
}
.foam-tray__pocket {
  border-radius: 3px;
  background: rgba(0,0,0,0.35);
  box-shadow: inset 0 2px 6px rgba(0,0,0,0.5), inset 0 0 0 1px rgba(0,0,0,0.2);
  transition: background var(--t-slow);
}
/* Side view for layers */
.foam-layers {
  width: 100%;
  max-width: 480px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  border: 1px solid var(--ash);
}
.foam-layer {
  height: 28px;
  transition: background-color var(--t-slow), height var(--t-slow);
  position: relative;
  display: flex;
  align-items: center;
  padding-left: var(--sp-sm);
}
.foam-layer::after {
  content: attr(data-label);
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.4);
  text-transform: uppercase;
}
.foam-layer--hidden { height: 0; overflow: hidden; }

/* Spec table */
.foam-specs {
  width: 100%;
  border-top: var(--gold-line);
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--ash);
}
.foam-spec {
  background: var(--fog);
  padding: var(--sp-sm) var(--sp-md);
}
.foam-spec__label {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--tungsten);
  margin-bottom: 2px;
}
.foam-spec__value {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--forge-black);
}

/* Foam colors */
.foam-tray[data-color="black"]  { background: #1A1A1A; }
.foam-tray[data-color="red"]    { background: #8B2020; }
.foam-tray[data-color="blue"]   { background: #1A3A6B; }
.foam-tray[data-color="gray"]   { background: #4A4A4A; }
.foam-tray[data-color="custom"] { background: linear-gradient(135deg, #5A1818, #102A4A); }
.foam-layer[data-color="black"]  { background: #252525; }
.foam-layer[data-color="red"]    { background: #922222; }
.foam-layer[data-color="blue"]   { background: #1E3F72; }
.foam-layer[data-color="gray"]   { background: #555555; }
.foam-layer[data-color="custom"] { background: linear-gradient(90deg, #5A1818, #102A4A); }
/* Every other layer slightly darker */
.foam-layer:nth-child(even)[data-color="black"]  { background: #1A1A1A; }
.foam-layer:nth-child(even)[data-color="red"]    { background: #7A1A1A; }
.foam-layer:nth-child(even)[data-color="blue"]   { background: #152E5C; }
.foam-layer:nth-child(even)[data-color="gray"]   { background: #404040; }

/* --- CTA Banner --- */
.cta-banner {
  background: var(--forge-black);
  padding-block: var(--sp-3xl);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 80% at 50% 50%, rgba(200,168,74,0.05), transparent);
  pointer-events: none;
}
.cta-banner__inner { position: relative; z-index: 1; }
.cta-banner__headline {
  font-family: var(--font-display);
  font-size: var(--text-h1);
  font-weight: 900;
  text-transform: uppercase;
  color: var(--warm-white);
  line-height: 1;
  letter-spacing: -0.01em;
  margin-bottom: var(--sp-md);
  white-space: pre-line;
}
html[lang="zh-TW"] .cta-banner__headline { font-family: var(--font-zh); white-space: normal; }
.cta-banner__body {
  color: var(--tungsten);
  max-width: 48ch;
  margin-inline: auto;
  margin-bottom: var(--sp-xl);
  font-size: 1.05rem;
}

/* --- Contact section on homepage --- */
.contact-info-bar {
  background: var(--dark-card);
  padding-block: var(--sp-xl);
  border-top: 1px solid var(--dark-border);
}
.contact-info-grid {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: var(--sp-2xl);
  flex-wrap: wrap;
}
.contact-info-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.contact-info-item__label {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--brass-gold);
}
.contact-info-item__value {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--steel-wire);
}
.contact-info-item__value a { transition: color var(--t-fast); }
.contact-info-item__value a:hover { color: var(--warm-white); }

/* --- Footer --- */
.site-footer {
  background: var(--forge-black);
  border-top: 1px solid var(--dark-border);
  padding-block: var(--sp-2xl);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--sp-2xl);
  margin-bottom: var(--sp-2xl);
}
.footer-brand {}
.footer-brand__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: var(--sp-md);
  color: var(--warm-white);
}
.footer-brand__mark { width: 32px; height: 32px; color: var(--brass-gold); }
.footer-brand__name {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.footer-brand__tagline {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--brass-gold);
  margin-bottom: var(--sp-md);
}
.footer-brand__desc {
  font-size: var(--text-sm);
  color: var(--tungsten);
  line-height: 1.7;
  max-width: 36ch;
}

.footer-col__title {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--brass-gold);
  margin-bottom: var(--sp-md);
}
.footer-col__links { display: flex; flex-direction: column; gap: 0.6rem; }
.footer-col__links a {
  font-size: var(--text-sm);
  color: var(--tungsten);
  transition: color var(--t-fast);
}
.footer-col__links a:hover { color: var(--warm-white); }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--sp-lg);
  border-top: 1px solid var(--dark-border);
  gap: var(--sp-md);
  flex-wrap: wrap;
}
.footer-bottom__copy {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  color: var(--charcoal);
}
.footer-bottom__langs { display: flex; gap: var(--sp-xs); }

/* --- FAQ Accordion --- */
.faq-list { display: flex; flex-direction: column; gap: 1px; background: var(--ash); }
.faq-item { background: var(--warm-white); }
.faq-item__btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-md) var(--sp-lg);
  text-align: left;
  gap: var(--sp-md);
  transition: background var(--t-fast);
}
.faq-item__btn:hover { background: var(--fog); }
.faq-item.open .faq-item__btn { background: var(--fog); }
.faq-item__q {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--forge-black);
}
html[lang="zh-TW"] .faq-item__q { font-family: var(--font-zh); text-transform: none; font-size: 1rem; }
.faq-item__icon {
  width: 20px; height: 20px;
  flex-shrink: 0;
  stroke: var(--brass-gold);
  fill: none;
  stroke-width: 2;
  transition: transform var(--t-base);
}
.faq-item.open .faq-item__icon { transform: rotate(45deg); }
.faq-item__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--t-slow), padding var(--t-slow);
}
.faq-item.open .faq-item__answer { max-height: 600px; }
.faq-item__answer-inner {
  padding: 0 var(--sp-lg) var(--sp-lg);
  color: var(--tungsten);
  font-size: var(--text-sm);
  line-height: 1.75;
  border-top: 1px solid var(--ash);
  padding-top: var(--sp-md);
}

/* --- Blog Grid --- */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-lg);
}
.blog-card {
  background: var(--warm-white);
  border: 1px solid var(--ash);
  overflow: hidden;
  transition: border-color var(--t-base);
}
.blog-card:hover { border-color: var(--brass-gold); }
.blog-card__thumb {
  aspect-ratio: 16/9;
  background: var(--forge-black);
  overflow: hidden;
}
.blog-card__thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--t-slow); }
.blog-card:hover .blog-card__thumb img { transform: scale(1.04); }
.blog-card__body { padding: var(--sp-md); }
.blog-card__meta {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--brass-gold);
  margin-bottom: var(--sp-xs);
}
.blog-card__title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--forge-black);
  margin-bottom: var(--sp-xs);
  line-height: 1.2;
}
html[lang="zh-TW"] .blog-card__title { font-family: var(--font-zh); text-transform: none; }
.blog-card__excerpt { font-size: var(--text-sm); color: var(--tungsten); line-height: 1.65; }

/* --- Case Studies --- */
.case-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-md);
}
.case-card {
  background: var(--forge-black);
  overflow: hidden;
  position: relative;
  display: flex;
  flex-direction: column;
}
.case-card--large { grid-column: span 2; }
.case-card__thumb {
  aspect-ratio: 16/9;
  background: var(--dark-card);
  overflow: hidden;
  position: relative;
}
.case-card--large .case-card__thumb { aspect-ratio: 21/9; }
.case-card__thumb img { width: 100%; height: 100%; object-fit: cover; opacity: 0.7; transition: transform var(--t-slow), opacity var(--t-slow); }
.case-card:hover .case-card__thumb img { transform: scale(1.04); opacity: 0.9; }
.case-card__body {
  padding: var(--sp-lg);
  border-top: var(--gold-line);
}
.case-card__tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--brass-gold);
  margin-bottom: var(--sp-xs);
}
.case-card__title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--warm-white);
}
.case-card__desc { font-size: var(--text-sm); color: var(--tungsten); margin-top: var(--sp-xs); }

/* --- Gallery --- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: 280px;
  gap: 4px;
}
.gallery-item {
  background: var(--forge-black);
  overflow: hidden;
  cursor: pointer;
  position: relative;
}
.gallery-item--wide { grid-column: span 2; }
.gallery-item--tall { grid-row: span 2; }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--t-slow), opacity var(--t-slow); opacity: 0.85; }
.gallery-item:hover img { transform: scale(1.05); opacity: 1; }
.gallery-item__overlay {
  position: absolute;
  inset: 0;
  background: rgba(17,18,16,0);
  transition: background var(--t-base);
  display: flex;
  align-items: center;
  justify-content: center;
}
.gallery-item:hover .gallery-item__overlay { background: rgba(17,18,16,0.3); }
.gallery-item__placeholder {
  width: 100%; height: 100%;
  background: var(--dark-card);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* --- Contact Page --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--sp-2xl);
  align-items: start;
}
.contact-details { display: flex; flex-direction: column; gap: var(--sp-xl); }
.contact-detail-item { display: flex; flex-direction: column; gap: var(--sp-xs); }
.contact-detail-item__label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--brass-gold);
}
.contact-detail-item__value {
  font-size: var(--text-sm);
  color: var(--charcoal);
  line-height: 1.7;
  white-space: pre-line;
}
.contact-detail-item__value a { color: var(--charcoal); transition: color var(--t-fast); }
.contact-detail-item__value a:hover { color: var(--brass-gold); }

.contact-form { display: flex; flex-direction: column; gap: var(--sp-md); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-md); }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--tungsten);
}
.form-input,
.form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--charcoal);
  background: var(--warm-white);
  border: 1px solid var(--ash);
  border-radius: var(--radius-sm);
  outline: none;
  transition: border-color var(--t-fast);
  appearance: none;
}
.form-input:focus, .form-textarea:focus { border-color: var(--brass-gold); }
.form-textarea { resize: vertical; min-height: 140px; }

/* About page content */
.about-content { display: flex; flex-direction: column; gap: var(--sp-2xl); }
.about-block { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-2xl); align-items: center; }
.about-block--reverse .about-block__text { order: 2; }
.about-block--reverse .about-block__visual { order: 1; }
.about-block__visual {
  aspect-ratio: 4/3;
  background: var(--forge-black);
  position: relative;
  overflow: hidden;
}
.about-block__visual img { width: 100%; height: 100%; object-fit: cover; }
.about-block__text { display: flex; flex-direction: column; gap: var(--sp-md); }
.about-block__title {
  font-family: var(--font-display);
  font-size: var(--text-h2);
  font-weight: 800;
  text-transform: uppercase;
  line-height: 1;
  color: var(--forge-black);
}
html[lang="zh-TW"] .about-block__title { font-family: var(--font-zh); text-transform: none; }

/* Services page */
.services-detail { display: flex; flex-direction: column; gap: var(--sp-2xl); }
.service-detail-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  background: var(--forge-black);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.service-detail-card:hover {
  transform: scale(1.015);
  box-shadow: 0 8px 40px rgba(0,0,0,0.35);
}
.product-card {
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.product-card:hover {
  transform: scale(1.015);
  box-shadow: 0 8px 40px rgba(0,0,0,0.35);
}
.services-detail { overflow: visible; }
.service-detail-card:nth-child(even) .service-detail-card__visual { order: 2; }
.service-detail-card:nth-child(even) .service-detail-card__body { order: 1; }
.service-detail-card__visual {
  aspect-ratio: unset;
  min-height: 360px;
  background: var(--dark-card);
  overflow: hidden;
  position: relative;
}
.service-detail-card__visual img { width: 100%; height: 100%; object-fit: cover; opacity: 0.8; }
.service-detail-card__body {
  padding: var(--sp-2xl);
  display: flex;
  flex-direction: column;
  gap: var(--sp-lg);
  justify-content: center;
}
.service-detail-card__num {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: var(--brass-gold);
  text-transform: uppercase;
}
.service-detail-card__title {
  font-family: var(--font-display);
  font-size: var(--text-h2);
  font-weight: 900;
  text-transform: uppercase;
  color: var(--warm-white);
  line-height: 1;
}
html[lang="zh-TW"] .service-detail-card__title { font-family: var(--font-zh); text-transform: none; }
.service-detail-card__desc {
  color: var(--tungsten);
  line-height: 1.75;
  font-size: 1.05rem;
}
.service-detail-card__specs { display: flex; flex-direction: column; gap: var(--sp-xs); border-top: 1px solid var(--dark-border); padding-top: var(--sp-md); }
.service-spec-row { display: flex; gap: var(--sp-md); }
.service-spec-row dt {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--brass-gold);
  min-width: 110px;
  padding-top: 2px;
}
.service-spec-row dd { font-size: var(--text-sm); color: var(--steel-wire); }

/* Placeholder visuals */
.placeholder-dark {
  width: 100%; height: 100%;
  background: var(--dark-card);
  display: flex;
  align-items: center;
  justify-content: center;
}
.placeholder-dark svg { color: var(--dark-border); }

/* --- Breadcrumb --- */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--sp-xs);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--tungsten);
  margin-bottom: var(--sp-lg);
}
.breadcrumb a { color: var(--tungsten); transition: color var(--t-fast); }
.breadcrumb a:hover { color: var(--warm-white); }
.breadcrumb__sep { color: var(--dark-border); }

/* --- Utility --- */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border-width: 0; }
.text-gold { color: var(--brass-gold); }
.text-muted { color: var(--tungsten); }

/* --- Animations --- */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* --- Responsive --- */
@media (max-width: 1100px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .process-steps { grid-template-columns: repeat(3, 1fr); gap: var(--sp-lg); }
  .process-steps::before { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .configurator { grid-template-columns: 1fr; }
}

@media (max-width: 900px) {
  .nav-links, .nav-lang { display: none; }
  .nav-hamburger { display: flex; }
  .about-grid { grid-template-columns: 1fr; gap: var(--sp-xl); }
  .about-block, .about-block--reverse { grid-template-columns: 1fr; }
  .about-block--reverse .about-block__text { order: unset; }
  .about-block--reverse .about-block__visual { order: unset; }
  .contact-grid { grid-template-columns: 1fr; }
  .service-detail-card { grid-template-columns: 1fr; }
  .service-detail-card:nth-child(even) .service-detail-card__visual { order: unset; }
  .service-detail-card:nth-child(even) .service-detail-card__body { order: unset; }
  .case-grid { grid-template-columns: 1fr; }
  .case-card--large { grid-column: span 1; }
  .blog-grid { grid-template-columns: 1fr 1fr; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-item--wide { grid-column: span 1; }
}

@media (max-width: 600px) {
  /* ── Spacing tokens ── */
  :root {
    --sp-3xl: 4rem;
    --sp-2xl: 2.5rem;
    --sp-xl:  2rem;
  }

  /* ── Global section padding ── */
  .section { padding-block: var(--sp-xl); }

  /* ── Homepage grids ── */
  .services-grid { grid-template-columns: 1fr; }
  .products-grid { grid-template-columns: 1fr; }
  .process-steps { grid-template-columns: 1fr 1fr; }
  .stats-grid    { grid-template-columns: 1fr 1fr; }
  .footer-grid   { grid-template-columns: 1fr; }
  .blog-grid     { grid-template-columns: 1fr; }
  .gallery-grid  { grid-template-columns: 1fr 1fr; }
  .gallery-item--tall { grid-row: span 1; }
  .form-row      { grid-template-columns: 1fr; }
  .foam-specs    { grid-template-columns: 1fr; }

  /* ── Homepage hero ── */
  .home-hero__ctas { flex-direction: column; align-items: stretch; }
  .home-hero__ctas .btn { width: 100%; justify-content: center; }

  /* ── Page hero (inner pages) ── */
  .page-hero {
    padding-top: calc(var(--nav-height) + var(--sp-xl));
    padding-bottom: var(--sp-xl);
  }
  .page-hero__headline { font-size: clamp(2rem, 10vw, 3rem); }

  /* ── Breadcrumb ── */
  .breadcrumb { font-size: 0.7rem; gap: 0.3rem; flex-wrap: wrap; }

  /* ── Service & product sub-page layouts ── */
  /* 1fr 1fr containers → single column */
  .mob-1col {
    grid-template-columns: 1fr !important;
    gap: var(--sp-xl) !important;
  }
  /* Image placeholder in hero area: constrain height */
  .mob-1col > .fade-up[style*="aspect-ratio"] {
    max-height: 260px;
  }

  /* Process steps (repeat 3 or 4 col) → 2 columns */
  .mob-process {
    grid-template-columns: 1fr 1fr !important;
    gap: var(--sp-md) !important;
  }

  /* Benefit cards (auto-fit minmax) — already reflowing, just reduce gap */
  [style*="minmax(220px"] { gap: var(--sp-md) !important; }
  [style*="minmax(240px"] { gap: var(--sp-md) !important; }

  /* Cross-link strip (flex row with links) → stack */
  [style*="display:flex;align-items:center;gap"] {
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: var(--sp-sm) !important;
  }

  /* ── CTA banner ── */
  .cta-banner__headline { font-size: clamp(1.6rem, 7vw, 2.4rem); }
  .cta-banner__body     { font-size: var(--text-sm); }
  .cta-banner__inner    { padding-block: var(--sp-xl); }

  /* ── Nav mobile menu ── */
  .nav-hamburger {
    width: 36px;
    padding: 8px;
  }
  .nav-mobile a {
    padding: 0.9rem 0;
    font-size: 1.2rem;
  }
  .nav-mobile .nav-mobile__group-label {
    padding-top: var(--sp-lg);
  }

  /* ── Footer ── */
  .footer-grid   { grid-template-columns: 1fr; gap: var(--sp-xl); }
  .footer-bottom { flex-direction: column; gap: var(--sp-sm); text-align: center; }

  /* ── About page ── */
  .about-stats { grid-template-columns: 1fr 1fr; }

  /* ── FAQ ── */
  .faq-item { padding-block: var(--sp-md); }

  /* ── Contact ── */
  .contact-grid { gap: var(--sp-xl); }
  .contact-form input,
  .contact-form textarea,
  .contact-form select { font-size: 1rem; }

  /* ── Laser "what can be marked" grid ── */
  [style*="minmax(200px"] { gap: var(--sp-sm) !important; }
}