/* Chaoshan Plastic Packaging — marketing site */
:root {
  --navy: #1B2A4A;
  --navy-deep: #121C33;
  --sage: #8FA88A;
  --sage-light: #D5DFD2;
  --sage-panel: #A8B89A;
  --mint: #c3e6d2;
  --mint-soft: #d1e8e2;
  --mint-deep: #a8d4bc;
  --off-white: #F7F5F0;
  --cream: #EDE9E2;
  --charcoal: #3A3A3A;
  --muted: #6B6B6B;
  --border: #E0DCD4;
  --white: #FFFFFF;
  --font-serif: "Cormorant Garamond", "Times New Roman", Georgia, serif;
  --font-sans: "Inter", "Helvetica Neue", Arial, sans-serif;
  --max: 1180px;
  --header-h: 72px;
  --radius: 6px;
  --shadow: 0 8px 30px rgba(27, 42, 74, 0.08);
  --shadow-soft: 0 4px 18px rgba(27, 42, 74, 0.06);
  --transition: 0.2s ease;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--charcoal);
  background: var(--off-white);
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--navy); }
ul { list-style: none; margin: 0; padding: 0; }
button, input, textarea, select {
  font: inherit;
  color: inherit;
}
.container {
  width: min(100% - 2.5rem, var(--max));
  margin-inline: auto;
}
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); border: 0;
}

/* Top bar */
.topbar {
  background: #ECEAE4;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  padding: 0.45rem 0;
}
.topbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

/* Header */
.site-header {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: var(--header-h);
}
.logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-shrink: 0;
}
.logo img, .logo svg { width: 36px; height: 36px; }
.logo-text {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--navy);
  line-height: 1.25;
  max-width: 11rem;
}
.nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}
.nav a {
  font-size: 14px;
  font-weight: 500;
  color: var(--charcoal);
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}
.nav a:hover, .nav a[aria-current="page"] { color: var(--navy); }
.nav-dropdown { position: relative; }
.nav-dropdown > button {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  padding: 0;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  color: var(--charcoal);
}
.nav-dropdown > button::after {
  content: "";
  width: 0; height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid currentColor;
  opacity: 0.6;
}
.nav-dropdown-menu {
  position: absolute;
  top: calc(100% + 0.75rem);
  left: 50%;
  transform: translateX(-50%);
  min-width: 220px;
  background: var(--white);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  padding: 0.5rem 0;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 50;
}
.nav-dropdown:hover .nav-dropdown-menu,
.nav-dropdown:focus-within .nav-dropdown-menu,
.nav-dropdown.open .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
}
.nav-dropdown-menu a {
  display: block;
  padding: 0.55rem 1.1rem;
  font-size: 13px;
  white-space: nowrap;
}
.nav-dropdown-menu a:hover { background: var(--off-white); }
.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-shrink: 0;
}
.lang-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 13px;
  font-weight: 500;
  color: var(--muted);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.25rem;
}
.lang-toggle .lang-active { color: var(--navy); font-weight: 600; }
.lang-toggle .lang-sep { opacity: 0.4; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.75rem 1.35rem;
  font-size: 13px;
  font-weight: 560;
  letter-spacing: 0.02em;
  border-radius: var(--radius);
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}
.btn svg { width: 14px; height: 14px; }
.btn-primary {
  background: var(--navy);
  color: var(--white);
  border-color: var(--navy);
  box-shadow: var(--shadow-soft);
}
.btn-primary:hover { background: var(--navy-deep); color: var(--white); }
.btn-ghost {
  background: var(--white);
  color: var(--navy);
  border-color: var(--navy);
}
.btn-ghost:hover { background: var(--navy); color: var(--white); }
.btn-light {
  background: var(--off-white);
  color: var(--navy);
  border-color: var(--off-white);
}
.btn-light:hover { background: var(--white); color: var(--navy); }
.btn-link {
  background: none;
  border: none;
  color: var(--navy);
  padding: 0.7rem 0.25rem;
  text-decoration: underline;
  text-underline-offset: 4px;
  font-weight: 500;
  cursor: pointer;
}
.btn-link:hover { opacity: 0.75; }
.btn-sm { padding: 0.55rem 1rem; font-size: 12px; }

.menu-toggle {
  display: none;
  background: none;
  border: none;
  width: 40px;
  height: 40px;
  padding: 8px;
  cursor: pointer;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
}
.menu-toggle span {
  display: block;
  height: 2px;
  background: var(--navy);
  border-radius: 1px;
  transition: var(--transition);
}
.menu-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Hero */
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr);
  min-height: min(78vh, 640px);
  background: var(--off-white);
  position: relative;
  overflow: hidden;
}
.hero-copy {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 4.25rem 2rem 4.25rem clamp(1.5rem, 6vw, 5.5rem);
  max-width: 580px;
  margin-left: auto;
  width: 100%;
  background: var(--off-white);
}
.hero-copy::before {
  content: "";
  position: absolute;
  inset: -8% auto auto -12%;
  width: 220px;
  height: 220px;
  background: radial-gradient(ellipse at center, rgba(27, 42, 74, 0.045) 0%, transparent 70%);
  filter: blur(18px);
  pointer-events: none;
  z-index: 0;
}
.eyebrow {
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 1rem;
  font-weight: 500;
}
.hero-copy .eyebrow {
  color: var(--navy);
  letter-spacing: 0.18em;
  margin: 0 0 1.15rem;
  position: relative;
  z-index: 1;
}
.hero-copy .eyebrow::after {
  content: "";
  display: block;
  width: 2.75rem;
  height: 2px;
  margin-top: 0.7rem;
  background: var(--mint-deep);
  border-radius: 1px;
}
.hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 4.6vw, 3.75rem);
  font-weight: 500;
  line-height: 1.12;
  color: var(--navy);
  margin: 0 0 1.15rem;
  letter-spacing: -0.015em;
  position: relative;
  z-index: 1;
}
.hero-sub {
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--muted);
  margin: 0 0 2.15rem;
  max-width: 28rem;
  position: relative;
  z-index: 1;
}
.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.85rem 1rem;
  position: relative;
  z-index: 1;
}
.hero-visual {
  position: relative;
  display: flex;
  align-items: stretch;
  justify-content: stretch;
  padding: 0;
  background: var(--mint);
  min-height: 420px;
  overflow: hidden;
}
.hero-visual::after {
  content: "";
  position: absolute;
  top: -10%;
  right: -8%;
  width: 260px;
  height: 260px;
  background: radial-gradient(ellipse at center, rgba(27, 42, 74, 0.05) 0%, transparent 68%);
  filter: blur(22px);
  pointer-events: none;
  z-index: 1;
}
.hero-frame {
  margin: 0;
  width: 100%;
  height: 100%;
  min-height: inherit;
  display: flex;
  align-items: stretch;
  justify-content: stretch;
  padding: 0;
  background: transparent;
  border: none;
  border-radius: 0;
  box-shadow: none;
  overflow: hidden;
}
.hero-visual img,
.hero-frame img,
.hero-visual object,
.hero-visual svg {
  width: 100%;
  height: 100%;
  max-width: none;
  max-height: none;
  object-fit: cover;
  object-position: center;
  border-radius: 0;
  display: block;
  min-height: 100%;
}

/* Service strip */
.service-strip {
  background: var(--white);
  border-block: 1px solid var(--border);
  padding: 1.65rem 0;
  box-shadow: 0 -1px 0 rgba(27, 42, 74, 0.02);
}
.service-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}
.service-item {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 0.85rem;
  padding: 0.35rem 0.25rem;
  font-size: 14px;
  font-weight: 500;
  color: var(--charcoal);
}
.service-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--mint-soft);
  box-shadow: inset 0 0 0 1px rgba(168, 212, 188, 0.55);
}
.service-icon img,
.service-icon svg,
.service-item img,
.service-item svg {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
}

/* Sections common */
.section { padding: 4.5rem 0; }
.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: 2.25rem;
}
.section-header h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.85rem, 3vw, 2.5rem);
  font-weight: 500;
  color: var(--navy);
  margin: 0.35rem 0 0;
  line-height: 1.2;
}
.section-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--navy);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  white-space: nowrap;
}
.section-link:hover { text-decoration: underline; text-underline-offset: 3px; }

/* Product cards */
.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}
.product-card {
  background: var(--white);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.product-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}
.product-card-media {
  aspect-ratio: 4 / 5;
  background: var(--cream);
  overflow: hidden;
}
.product-card-media img,
.product-card-media svg {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.product-card-body {
  padding: 1rem 1.1rem 1.25rem;
}
.product-card-num {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--muted);
  margin-bottom: 0.25rem;
}
.product-card h3 {
  font-size: 15px;
  font-weight: 600;
  margin: 0;
  color: var(--navy);
}
.also-explore {
  margin-top: 1.75rem;
  font-size: 13px;
  color: var(--muted);
}
.also-explore a {
  color: var(--charcoal);
  text-decoration: underline;
  text-underline-offset: 3px;
  margin: 0 0.15rem;
}
.also-explore a:hover { color: var(--navy); }

/* Custom split */
.custom-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 480px;
}
.custom-split-media {
  background: var(--sage-light);
  min-height: 320px;
}
.custom-split-media img,
.custom-split-media svg {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 320px;
}
.custom-split-panel {
  background: var(--sage-panel);
  color: var(--navy);
  padding: clamp(2rem, 5vw, 4rem);
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.custom-split-panel .eyebrow { color: rgba(27,42,74,0.65); }
.custom-split-panel h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.9rem, 3vw, 2.6rem);
  font-weight: 500;
  margin: 0 0 0.75rem;
  line-height: 1.2;
}
.custom-split-panel > p {
  margin: 0 0 1.75rem;
  color: rgba(27,42,74,0.8);
  max-width: 28rem;
}
.step-list { margin: 0 0 2rem; }
.step-list li {
  display: flex;
  align-items: baseline;
  gap: 0.85rem;
  padding: 0.65rem 0;
  border-top: 1px solid rgba(27,42,74,0.15);
  font-size: 15px;
  font-weight: 500;
}
.step-list li:last-child { border-bottom: 1px solid rgba(27,42,74,0.15); }
.step-list .num {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: rgba(27,42,74,0.55);
  font-weight: 600;
  min-width: 1.6rem;
}

/* Process */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem 1.5rem;
  margin-top: 2.5rem;
}
.process-item {
  text-align: left;
}
.process-item .icon-wrap {
  width: 44px;
  height: 44px;
  margin-bottom: 1rem;
}
.process-item .icon-wrap img,
.process-item .icon-wrap svg { width: 100%; height: 100%; }
.process-num {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--muted);
  margin-bottom: 0.35rem;
}
.process-item h3 {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--navy);
  margin: 0 0 0.5rem;
}
.process-item p {
  margin: 0;
  font-size: 14px;
  color: var(--muted);
  max-width: 16rem;
}
.section-title-center {
  text-align: center;
}
.section-title-center h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.85rem, 3vw, 2.5rem);
  font-weight: 500;
  color: var(--navy);
  margin: 0;
}

/* CTA bar */
.cta-bar {
  background: var(--navy);
  color: var(--white);
  padding: 2.75rem 0;
}
.cta-bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.cta-bar h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 500;
  margin: 0;
  line-height: 1.25;
}
.cta-bar p {
  margin: 0;
  color: rgba(255,255,255,0.7);
  font-size: 15px;
}

/* Footer */
.site-footer {
  background: var(--off-white);
  border-top: 1px solid var(--border);
  padding: 3.5rem 0 2rem;
  position: relative;
  overflow: hidden;
}
.site-footer::after {
  content: "";
  position: absolute;
  right: -20px;
  bottom: -30px;
  width: 220px;
  height: 220px;
  background: url("../assets/illustrations/leaf-pattern.svg") no-repeat center / contain;
  pointer-events: none;
  opacity: 0.9;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 2.5rem;
  position: relative;
  z-index: 1;
}
.footer-brand .logo { margin-bottom: 0.85rem; }
.footer-brand p {
  font-size: 13px;
  color: var(--muted);
  margin: 0 0 0.5rem;
}
.footer-brand .url {
  font-size: 13px;
  color: var(--navy);
  font-weight: 500;
}
.footer-col h4 {
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 1rem;
  font-weight: 600;
}
.footer-col a {
  display: block;
  font-size: 14px;
  padding: 0.3rem 0;
  color: var(--charcoal);
}
.footer-col a:hover { color: var(--navy); }
.footer-email {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 14px;
  color: var(--navy) !important;
  font-weight: 500;
}
.footer-bottom {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: 12px;
  color: var(--muted);
  position: relative;
  z-index: 1;
}

/* Page hero (inner pages) */
.page-hero {
  padding: 3.5rem 0 2.5rem;
  background: var(--cream);
  border-bottom: 1px solid var(--border);
}
.page-hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 3.5vw, 2.85rem);
  font-weight: 500;
  color: var(--navy);
  margin: 0.4rem 0 0.75rem;
}
.page-hero p {
  margin: 0;
  color: var(--muted);
  max-width: 36rem;
  font-size: 1.05rem;
}

/* Filters / products page */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2rem;
}
.filter-btn {
  padding: 0.5rem 1rem;
  font-size: 13px;
  font-weight: 500;
  border: 1px solid var(--border);
  background: var(--white);
  border-radius: 999px;
  cursor: pointer;
  color: var(--charcoal);
  transition: var(--transition);
}
.filter-btn:hover, .filter-btn.active {
  background: var(--navy);
  border-color: var(--navy);
  color: var(--white);
}
.sku-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1.25rem;
}
.sku-card {
  background: var(--white);
  border: 1px solid var(--border);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}
.sku-card:hover { box-shadow: var(--shadow); }
.sku-media {
  aspect-ratio: 1;
  background: var(--cream);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}
.sku-media svg { width: 70%; height: 70%; }
.sku-body { padding: 1rem 1.1rem 1.25rem; }
.sku-cat {
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.25rem;
}
.sku-body h3 {
  font-size: 14px;
  font-weight: 600;
  margin: 0 0 0.75rem;
  color: var(--navy);
}
.sample-note {
  font-size: 12px;
  color: var(--muted);
  margin: 1.5rem 0 0;
  font-style: italic;
}
.category-banner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-bottom: 2.5rem;
}
.category-banner a {
  display: block;
  padding: 1.25rem;
  background: var(--white);
  border: 1px solid var(--border);
  transition: var(--transition);
}
.category-banner a:hover {
  border-color: var(--sage);
  box-shadow: var(--shadow);
}
.category-banner h3 {
  margin: 0.5rem 0 0.25rem;
  font-size: 15px;
  color: var(--navy);
}
.category-banner p {
  margin: 0;
  font-size: 13px;
  color: var(--muted);
}

/* About / custom content */
.content-block {
  max-width: 720px;
}
.content-block h2 {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 500;
  color: var(--navy);
  margin: 0 0 1rem;
}
.content-block p {
  color: var(--muted);
  margin: 0 0 1rem;
}
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}
.feature-list li {
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--border);
  display: flex;
  gap: 1rem;
}
.feature-list .num {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--sage);
  font-weight: 700;
  min-width: 1.8rem;
}
.feature-list strong {
  display: block;
  color: var(--navy);
  margin-bottom: 0.2rem;
}
.feature-list span { font-size: 14px; color: var(--muted); }

/* Contact */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3rem;
  align-items: start;
}
.contact-info h2 {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 500;
  color: var(--navy);
  margin: 0 0 1rem;
}
.contact-info p { color: var(--muted); margin: 0 0 1.25rem; }
.contact-detail {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 1.5rem;
}
.contact-detail a {
  color: var(--navy);
  font-weight: 500;
}
.form-card {
  background: var(--white);
  border: 1px solid var(--border);
  padding: 2rem;
  box-shadow: var(--shadow);
}
.form-card h3 {
  margin: 0 0 1.25rem;
  font-size: 1.1rem;
  color: var(--navy);
}
.form-group {
  margin-bottom: 1rem;
}
.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 0.4rem;
  color: var(--charcoal);
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.7rem 0.85rem;
  border: 1px solid var(--border);
  background: var(--off-white);
  border-radius: var(--radius);
  transition: var(--transition);
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: 2px solid var(--sage);
  outline-offset: 1px;
  background: var(--white);
}
.form-group textarea { min-height: 120px; resize: vertical; }
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.form-success {
  display: none;
  padding: 1rem;
  background: var(--sage-light);
  border: 1px solid var(--sage);
  color: var(--navy);
  margin-bottom: 1rem;
  font-size: 14px;
}
.form-success.show { display: block; }
.form-hint {
  font-size: 12px;
  color: var(--muted);
  margin-top: 0.75rem;
}

/* Mobile nav overlay */
.mobile-nav {
  display: none;
}

/* Responsive */
@media (max-width: 1024px) {
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .category-banner { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 860px) {
  .nav { display: none; }
  .menu-toggle { display: flex; }
  .header-actions .btn-quote-desktop { display: none; }
  .hero { grid-template-columns: 1fr; min-height: 0; }
  .hero-copy {
    max-width: none;
    margin: 0;
    padding: 2.75rem 1.25rem 2.25rem;
  }
  .hero-copy::before { width: 160px; height: 160px; }
  .hero-visual {
    min-height: 0;
    order: -1;
    padding: 0;
    aspect-ratio: 1 / 1;
    max-height: min(72vw, 420px);
  }
  .hero-frame {
    width: 100%;
    height: 100%;
    border-radius: 0;
  }
  .hero-visual img,
  .hero-frame img {
    object-fit: cover;
  }
  .service-item { justify-content: flex-start; }
  .custom-split { grid-template-columns: 1fr; }
  .two-col, .contact-layout { grid-template-columns: 1fr; }
  .cta-bar-inner { flex-direction: column; align-items: flex-start; }
  .mobile-nav {
    display: none;
    position: fixed;
    inset: calc(var(--header-h) + 28px) 0 0 0;
    background: var(--white);
    padding: 1.5rem;
    z-index: 99;
    overflow-y: auto;
    border-top: 1px solid var(--border);
  }
  .mobile-nav.open { display: block; }
  .mobile-nav a, .mobile-nav button.nav-plain {
    display: block;
    width: 100%;
    text-align: left;
    padding: 0.9rem 0;
    font-size: 16px;
    font-weight: 500;
    border: none;
    background: none;
    border-bottom: 1px solid var(--border);
    color: var(--charcoal);
    cursor: pointer;
  }
  .mobile-nav .btn { width: 100%; margin-top: 1.25rem; }
  .mobile-sub { padding-left: 0.75rem; }
  .mobile-sub a {
    font-size: 14px;
    font-weight: 400;
    color: var(--muted);
  }
}

@media (max-width: 560px) {
  .container { width: min(100% - 1.5rem, var(--max)); }
  .product-grid,
  .service-grid,
  .process-grid,
  .category-banner,
  .footer-grid,
  .form-row { grid-template-columns: 1fr; }
  .section-header { flex-direction: column; align-items: flex-start; }
  .topbar .container { font-size: 9px; letter-spacing: 0.08em; }
  .logo-text { font-size: 10px; max-width: 8.5rem; }
  .section { padding: 3rem 0; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}


/* --- Live photo assets (navy/sage layout preserved) --- */
.logo img {
  width: 44px;
  height: 44px;
  object-fit: contain;
  border-radius: 6px;
  background: #fff;
}
.product-card-media {
  overflow: hidden;
  background: var(--cream);
}
.product-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform .35s ease;
}
.product-card:hover .product-card-media img {
  transform: scale(1.04);
}
.sku-media {
  overflow: hidden;
  background: #f5f4f0;
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
}
.sku-media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  padding: .5rem;
}
.sku-media svg { max-height: 70%; }
.custom-split-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.category-banner a.cat-tile,
.category-banner a {
  display: flex;
  flex-direction: column;
  gap: .35rem;
}
.category-banner a img {
  width: 88px;
  height: 88px;
  object-fit: contain;
  border-radius: 50%;
  background: #fff;
  border: 1px solid var(--border);
  margin-bottom: .25rem;
}
.about-gallery {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 1.5rem;
  align-items: start;
}
.about-photo {
  margin: 0;
  background: #fff;
  border: 1px solid var(--border);
  overflow: hidden;
}
.about-photo img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  max-height: 420px;
}
.about-photo figcaption {
  padding: .75rem 1rem;
  font-size: .875rem;
  color: var(--muted, #6b6b6b);
}
@media (max-width: 768px) {
  .about-gallery { grid-template-columns: 1fr; }
}

/* Home — company intro */
.company-intro {
  background: var(--cream);
  border-top: 1px solid var(--border);
}
.company-intro-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
}
.company-intro-copy .company-name {
  margin: 0 0 0.15rem;
  font-weight: 600;
  color: var(--navy);
  font-size: 1.05rem;
}
.company-intro-copy .company-name-zh {
  margin: 0 0 1.1rem;
  color: var(--muted);
  font-size: 0.95rem;
}
.company-intro-copy > p:not(.eyebrow):not(.company-name):not(.company-name-zh) {
  margin: 0 0 1.25rem;
  color: var(--charcoal);
  max-width: 36rem;
  line-height: 1.7;
}
.company-intro-copy h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.85rem, 3vw, 2.5rem);
  font-weight: 500;
  color: var(--navy);
  margin: 0 0 0.85rem;
}
.company-intro-media {
  margin: 0;
  background: #fff;
  border: 1px solid var(--border);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.company-intro-media img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  max-height: 420px;
}
.company-intro-media figcaption {
  padding: 0.7rem 1rem;
  font-size: 0.875rem;
  color: var(--muted);
}

/* Home — exhibition gallery */
.exhibition-gallery {
  background: var(--white);
}
.exhibit-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 0.75rem;
  margin-top: 1.75rem;
}
.exhibit-tile {
  margin: 0;
  background: var(--off-white);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}
.exhibit-tile:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}
.exhibit-tile img {
  width: 100%;
  height: 140px;
  object-fit: cover;
}
.exhibit-tile figcaption {
  padding: 0.45rem 0.55rem;
  font-size: 11px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
  line-height: 1.3;
}

/* Home — certificates (full-bleed width) */
.certificates-section {
  background: var(--off-white);
  border-top: 1px solid var(--border);
  padding-left: 0;
  padding-right: 0;
}
.certificates-section > .container {
  max-width: none;
  width: 100%;
  padding-left: 0;
  padding-right: 0;
}
.certificates-section .section-title-center {
  max-width: var(--container, 1120px);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
  margin-bottom: 1.75rem;
}
.certs-figure {
  margin: 0;
  width: 100%;
  max-width: none;
  background: #fff;
  border: none;
  border-radius: 0;
  padding: 0;
  box-shadow: none;
}
.certs-figure img {
  width: 100%;
  max-width: none;
  height: auto;
  display: block;
  object-fit: cover;
}
.certs-figure figcaption {
  margin: 0 auto;
  padding: 1rem 1.5rem 1.5rem;
  font-size: 0.9rem;
  color: var(--muted);
  text-align: center;
  line-height: 1.55;
  max-width: 52rem;
}

@media (max-width: 1024px) {
  .exhibit-grid { grid-template-columns: repeat(4, 1fr); }
  .exhibit-tile img { height: 130px; }
}
@media (max-width: 768px) {
  .company-intro-grid { grid-template-columns: 1fr; }
  .exhibit-grid { grid-template-columns: repeat(2, 1fr); gap: 0.6rem; }
  .exhibit-tile img { height: 120px; }
  .certs-figure { padding: 0; }
}