:root {
  --ink: #1a1412;
  --muted: #6b5d59;
  --line: #e8dcd7;
  --paper: #fdf7f3;
  --blush: #FBF6EE;
  --blush-2: #F0E4D4;
  --champagne: #B8977A;
  --rosewood: #2D1E1A;
  --deep: #2a1f1c;
  --white: #ffffff;
  --gold: #D7C2A5;
  --shadow-sm: 0 1px 3px rgba(42,31,28,.06);
  --shadow: 0 20px 60px rgba(42,31,28,.10);
  --shadow-lg: 0 32px 80px rgba(42,31,28,.14);
  --radius: 18px;
  --radius-sm: 12px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: translateY(0); } }
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-6px); } }
.fade-in { animation: fadeInUp .7s cubic-bezier(.4,0,.2,1) both; }
.delay-1 { animation-delay: .15s; }
.delay-2 { animation-delay: .3s; }
.delay-3 { animation-delay: .45s; }
.float { animation: float 3s ease-in-out infinite; }
html[dir="rtl"] body { direction: rtl; }
html[dir="rtl"] .brand,
html[dir="rtl"] .nav-tools,
html[dir="rtl"] .hero-actions,
html[dir="rtl"] .eyebrow { direction: rtl; }
html[dir="rtl"] .eyebrow::before { order: 2; }

body {
  margin: 0;
  font-family: 'Inter', ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: inherit; text-decoration: none; }
img, video { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; }

/* ===== TOPBAR ===== */
.topbar {
  min-height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6px 16px;
  background: #F5F0EB;
  color: #6B5D59;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .03em;
  text-align: center;
}

/* ===== NAVIGATION ===== */
.nav {
  position: sticky;
  max-width: 100vw;
  overflow-x: hidden;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 60px;
  padding: 0 max(5vw, 32px);
  background: rgba(253,247,243,.92);
  border-bottom: 1px solid rgba(232,220,215,.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: max-content;
}

.brand-logo {
  width: 44px; height: 44px;
  border-radius: 50%;
  object-fit: cover;
  border: 1.5px solid var(--champagne);
  background: var(--white);
  transition: transform .25s, box-shadow .25s;
  flex-shrink: 0;
}
.brand:hover .brand-logo {
  transform: scale(1.05);
  box-shadow: 0 4px 16px rgba(139,93,84,.18);
}
.brand-mark {
  width: 40px; height: 40px;
  display: grid; place-items: center;
  border: 1.5px solid var(--champagne);
  border-radius: 50%;
  background: var(--white);
  color: var(--rosewood);
  font-family: Georgia, 'Times New Roman', serif;
  font-size: 19px; font-weight: 700;
  transition: transform .25s, box-shadow .25s;
}
.brand:hover .brand-mark {
  transform: scale(1.05);
  box-shadow: 0 4px 16px rgba(139,93,84,.18);
}

.brand-name { display: grid; gap: 2px; }
.brand-name strong {
  font-size: 15px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink);
}
.brand-name span {
  color: var(--muted);
  font-size: 10.5px;
  letter-spacing: .11em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  color: var(--muted);
  font-size: 13.5px;
  font-weight: 500;
  letter-spacing: .02em;
  flex-wrap: wrap;
}
.nav-links a { position: relative; padding: 4px 0; transition: color .2s; }
.nav-links a::after {
  content: "";
  position: absolute; bottom: -2px; left: 0; right: 0;
  height: 1.5px; background: var(--champagne);
  transform: scaleX(0); transition: transform .25s;
}
.nav-links a:hover { color: var(--ink); }
.nav-links a:hover::after { transform: scaleX(1); }

.nav-tools { display: flex; align-items: center; gap: 10px; }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column; justify-content: center; align-items: center;
  gap: 5px; width: 40px; height: 40px; padding: 0;
  border: 1px solid var(--line); border-radius: var(--radius-sm);
  background: var(--white); cursor: pointer; z-index: 30;
}
.hamburger span {
  display: block; width: 20px; height: 2px;
  background: var(--ink); border-radius: 2px;
  transition: transform .25s, opacity .25s;
}
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-nav-overlay {
  display: none; position: fixed; inset: 0; z-index: 25;
  background: rgba(42,31,28,.97);
  flex-direction: column; align-items: center; justify-content: center; gap: 32px;
}
.mobile-nav-overlay.open { display: flex; }
.mobile-nav-overlay a {
  color: var(--white); font-size: 24px; font-weight: 600;
  letter-spacing: .05em; text-transform: uppercase; transition: color .2s;
}
.mobile-nav-overlay a:hover { color: var(--blush-2); }

.language-select {
  min-height: 40px; width: auto; border: 1px solid var(--line);
  border-radius: 999px; padding: 0 12px;
  background: rgba(255,255,255,.85); color: var(--ink);
  font-weight: 700; font-size: 12.5px; cursor: pointer;
}

.nav-action,
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 44px; padding: 0 22px;
  border: 1.5px solid var(--rosewood); border-radius: 999px;
  background: var(--rosewood); color: var(--white);
  font-weight: 700; font-size: 13.5px; letter-spacing: .02em;
  cursor: pointer; transition: all .25s;
}
.btn:hover { background: #3d2c28; transform: translateY(-1px); box-shadow: var(--shadow); }
.btn.secondary {
  background: rgba(255,255,255,.75); color: var(--rosewood);
  border-color: var(--line);
  box-shadow: var(--shadow-sm);
}
.btn.secondary:hover { background: var(--white); box-shadow: var(--shadow); }
.btn.outline {
  background: transparent; color: var(--rosewood); border-color: var(--line);
}
.btn.outline:hover { border-color: var(--champagne); background: rgba(183,151,122,.06); }
.btn.gold {
  background: var(--gold); border-color: var(--gold); color: #2D1E1A;
}
.btn.gold:hover { background: #c9b08e; }

/* ===== LAYOUT ===== */
.wrap { width: min(1200px, 90vw); margin: 0 auto; }
section { padding: 72px 0; }

/* ===== HERO — INDEX ===== */
.hero {
  border-bottom: 1px solid var(--line);
  background: var(--paper);
  padding: 36px 0 40px;
}

/* Top section: featured image + text */
.hero-top {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 36px;
  align-items: center;
}

.hero-feature {
  display: flex; align-items: center; justify-content: center;
}
.hero-feature-img {
  width: 100%;
  max-width: 480px;
  height: auto;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
}

.hero-copy {
  display: flex; flex-direction: column; justify-content: center;
}

/* Metrics row — inline with text */
.hero-metrics-row {
  display: flex; align-items: center;
  gap: 28px; flex-wrap: wrap;
  margin-top: 32px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}
.hero-metrics-row .metric {
  text-align: left;
}
.hero-metrics-row .metric strong {
  display: block; color: var(--rosewood);
  font-size: 24px; line-height: 1; font-weight: 700;
}
.hero-metrics-row .metric strong span { font-size: .5em; font-weight: 500; opacity: .6; }
.hero-metrics-row .metric > span {
  display: block; margin-top: 5px;
  color: var(--muted); font-size: 11px;
}

/* Keep old metric styles for sections */
.metrics {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px;
  background: rgba(139,93,84,.08);
}
.metric {
  padding: 20px 16px; background: rgba(255,255,255,.65);
  backdrop-filter: blur(12px); text-align: center;
}
.metric strong {
  display: block; color: var(--rosewood);
  font-size: 26px; line-height: 1; font-weight: 700;
}
.metric span {
  display: block; margin-top: 7px;
  color: var(--muted); font-size: 11px; line-height: 1.4;
}

.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  width: fit-content; margin-bottom: 20px;
  color: var(--rosewood); font-size: 11.5px;
  font-weight: 800; letter-spacing: .18em; text-transform: uppercase;
}
.eyebrow::before {
  content: ""; width: 32px; height: 1.5px; background: var(--champagne);
}

h1, h2, h3, h4 { margin: 0; }
h1 {
  max-width: 680px;
  font-family: Georgia, 'Times New Roman', serif;
  font-weight: 400; letter-spacing: -.01em;
  font-size: clamp(30px, 4.5vw, 52px);
  line-height: 1.08;
  color: var(--ink);
}
h2 {
  font-family: Georgia, 'Times New Roman', serif;
  font-weight: 400; letter-spacing: -.01em;
  font-size: clamp(22px, 2.8vw, 36px);
  line-height: 1.15;
  color: var(--ink);
}
h3 { font-size: 17px; font-weight: 600; letter-spacing: -.01em; }
h4 { font-size: 14px; font-weight: 700; }

.hero .lead {
  max-width: 560px; margin: 20px 0 0;
  color: var(--muted); font-size: 15.5px; line-height: 1.65;
}

.hero-actions {
  display: flex; gap: 12px; flex-wrap: wrap; margin-top: 36px;
}

/* ===== SECTION HEAD ===== */
.section-head {
  display: flex; align-items: end; justify-content: space-between;
  gap: 24px; margin-bottom: 32px;
}
.section-head p {
  max-width: 540px; margin: 0; color: var(--muted); font-size: 14.5px; line-height: 1.6;
}

/* ===== GRIDS ===== */
.grid { display: grid; gap: 20px; }
.four { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }

/* ===== CARDS ===== */
.card, .product, .proof, .panel, .market-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: transform .3s, box-shadow .3s;
}
.product:hover, .proof:hover, .market-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.product img {
  width: 100%; aspect-ratio: 1/1; object-fit: cover;
  transition: transform .5s cubic-bezier(.4,0,.2,1);
}
.product:hover img { transform: scale(1.08); }

/* Product spec overlay on hover */
.product { position: relative; cursor: pointer; }
.product .spec-overlay {
  position: absolute; inset: 0; z-index: 2;
  background: linear-gradient(to top, rgba(42,31,28,.88) 0%, rgba(42,31,28,.2) 60%, transparent 100%);
  display: flex; flex-direction: column; justify-content: flex-end; padding: 20px;
  opacity: 0; transition: opacity .35s;
}
.product:hover .spec-overlay { opacity: 1; }
.spec-overlay span {
  color: var(--white); font-size: 12.5px; font-weight: 500;
  margin-bottom: 3px; letter-spacing: .02em;
}
.spec-overlay strong { color: var(--gold); font-size: 13px; }

.product-info, .proof, .panel { padding: 20px; }
.product-info h3, .proof h3, .market-card h3 { margin: 12px 0 6px; font-size: 17px; }
.product-info p, .proof p, .panel p, .market-card p { margin: 0; color: var(--muted); line-height: 1.6; }

/* ===== Scroll-triggered reveal ===== */
.reveal {
  opacity: 0; transform: translateY(28px);
  transition: opacity .7s cubic-bezier(.4,0,.2,1), transform .7s cubic-bezier(.4,0,.2,1);
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ===== Pingdu Data Visualization ===== */
.data-viz {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
  margin-top: 32px;
}
.data-card {
  text-align: center; padding: 32px 20px; border-radius: var(--radius);
  background: var(--white); box-shadow: var(--shadow-sm);
  transition: transform .3s;
}
.data-card:hover { transform: translateY(-3px); }
.data-card .data-num {
  font-size: clamp(28px, 4vw, 42px); font-weight: 800;
  background: linear-gradient(135deg, var(--rosewood), var(--gold));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text; line-height: 1;
}
.data-card .data-label {
  display: block; margin-top: 8px; font-size: 13px; color: var(--muted);
  font-weight: 600; text-transform: uppercase; letter-spacing: .05em;
}
.data-card .data-desc {
  display: block; margin-top: 6px; font-size: 12px; color: var(--muted);
  line-height: 1.5;
}

/* Data timeline */
.data-timeline {
  position: relative; padding-left: 32px; margin: 32px 0;
  border-left: 2px solid var(--champagne);
}
.data-timeline-item {
  position: relative; margin-bottom: 24px; padding-left: 20px;
}
.data-timeline-item::before {
  content: ""; position: absolute; left: -39px; top: 4px;
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--rosewood); border: 2px solid var(--paper);
  box-shadow: 0 0 0 2px var(--rosewood);
}
.data-timeline-item .year {
  font-size: 12px; color: var(--gold); font-weight: 700;
  letter-spacing: .06em; text-transform: uppercase;
}
.data-timeline-item h4 { margin: 4px 0; font-size: 15px; }
.data-timeline-item p { margin: 0; font-size: 13px; color: var(--muted); }

@media (max-width: 768px) {
  .data-viz { grid-template-columns: repeat(2, 1fr); }
}

.tag {
  display: inline-flex; min-height: 26px; align-items: center;
  padding: 0 12px; border-radius: 999px;
  background: var(--blush); color: var(--rosewood);
  font-size: 11.5px; font-weight: 800; letter-spacing: .04em; text-transform: uppercase;
}

/* ===== BAND (accent section) ===== */
.band {
  margin: 0; padding: 72px 0;
  background: linear-gradient(180deg, #fdf7f3 0%, #f9f0ea 50%, #fdf7f3 100%);
  color: var(--ink);
}
.band h2 { color: var(--ink); }
.band p, .band .section-head p { color: var(--muted); }
.band .proof, .band .panel, .band .market-card {
  background: var(--white);
  border-color: var(--line);
  box-shadow: var(--shadow-sm);
}
.band .tag { background: var(--blush); color: var(--rosewood); }

/* ===== SPLIT ===== */
.split {
  display: grid; grid-template-columns: .96fr 1.04fr;
  gap: 44px; align-items: center;
}

.image-block {
  min-height: 400px; border-radius: var(--radius);
  background: var(--blush) center/cover;
  box-shadow: var(--shadow);
}
.image-block.workshop { background-image: url(assets/factory-inside.webp); }
.image-block.display { background-image: url(assets/product-display-4.webp); }
.image-block.product-hero { background-image: url(assets/product-display-1.webp); }
.image-block.warehouse { background-image: url(assets/warehouse-2.webp); }

.steps { display: grid; gap: 14px; }
.step {
  display: grid; grid-template-columns: 48px 1fr; gap: 16px;
  padding: 20px; border: 1px solid var(--line);
  border-radius: var(--radius-sm); background: var(--white);
  transition: background .25s, box-shadow .25s;
}
.step:hover { background: #fffbf9; box-shadow: var(--shadow-sm); }
.step b {
  display: grid; place-items: center;
  width: 48px; height: 48px; border-radius: 50%;
  background: var(--rosewood); color: var(--white);
  font-size: 17px; font-weight: 800;
}
.step h3 { margin: 0 0 6px; font-size: 17px; color: var(--ink); }
.step p { margin: 0; font-size: 14px; color: var(--muted); }

/* ===== GALLERY ===== */
.gallery {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.gallery.three-col { grid-template-columns: repeat(3, 1fr); }
.gallery img, .gallery video {
  width: 100%; height: 100%; min-height: 300px;
  object-fit: cover; border-radius: var(--radius);
  transition: transform .4s;
}
.gallery img:hover { transform: scale(1.02); }

/* ===== TRUST BAR ===== */
.trust-bar {
  display: flex; align-items: center; justify-content: center;
  gap: 32px; flex-wrap: wrap;
  padding: 28px 5vw;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--white);
}
.trust-item {
  display: flex; align-items: center; gap: 12px;
  color: var(--muted); font-size: 14px; font-weight: 500;
}
.trust-icon {
  width: 40px; height: 40px; display: grid; place-items: center;
  border-radius: 50%; background: var(--blush);
  font-size: 18px; color: var(--rosewood);
}

/* ===== TESTIMONIALS ===== */
.testimonial-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
}
.testimonial {
  padding: 28px; border: 1px solid var(--line);
  border-radius: var(--radius); background: var(--white);
  box-shadow: var(--shadow-sm);
}
.testimonial q {
  display: block; font-size: 15px; line-height: 1.7; color: var(--ink);
  font-style: italic; margin-bottom: 16px;
}
.testimonial .author { font-size: 13px; font-weight: 700; color: var(--rosewood); }
.testimonial .role { font-size: 12px; color: var(--muted); }

/* ===== CTA BAND ===== */
.cta-band {
  padding: 80px 5vw; text-align: center;
  background: linear-gradient(180deg, var(--blush) 0%, var(--paper) 100%);
}
.cta-band h2 { margin-bottom: 16px; }
.cta-band p { max-width: 560px; margin: 0 auto 28px; color: var(--muted); font-size: 17px; }

/* ===== HERO MINI (sub pages) ===== */
.hero-mini {
  padding: 56px 0 48px;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(253,247,243,.98), rgba(253,247,243,.88)),
              url(assets/product-display-4.webp) center/cover;
}
.page-title { max-width: 720px; }
.page-title h1 { color: var(--ink); font-size: clamp(28px, 4vw, 48px); }
.page-title p { max-width: 600px; margin-top: 14px; color: var(--muted); font-size: 15px; line-height: 1.65; }

/* ===== QUOTE PAGE ===== */
.quote-wrap {
  display: grid; grid-template-columns: .8fr 1.2fr; gap: 28px; align-items: start;
}
.cost-card {
  border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--white); box-shadow: var(--shadow-sm); overflow: hidden;
}
.cost-card h3 { margin: 0; padding: 20px 24px; background: var(--blush); font-size: 17px; }
.cost-row {
  display: flex; justify-content: space-between; gap: 16px;
  padding: 16px 24px; border-top: 1px solid var(--line);
  color: var(--muted); font-size: 14px;
}
.cost-row strong { color: var(--ink); text-align: right; font-size: 14px; }
.total { background: #fff5f0; font-weight: 800; }

.quote-form {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 16px; padding: 28px;
  border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--white); box-shadow: var(--shadow-sm);
}
.field { display: grid; gap: 7px; }
.field.full { grid-column: 1 / -1; }
label { color: var(--muted); font-size: 12.5px; font-weight: 800; letter-spacing: .03em; text-transform: uppercase; }
input, select, textarea {
  width: 100%; min-height: 46px; border: 1.5px solid var(--line);
  border-radius: var(--radius-sm); padding: 10px 14px;
  background: #fefcf9; color: var(--ink); font-size: 14px;
  transition: border-color .2s, box-shadow .2s;
}
input:focus, select:focus, textarea:focus {
  outline: none; border-color: var(--champagne);
  box-shadow: 0 0 0 3px rgba(196,162,101,.12);
}
textarea { min-height: 120px; resize: vertical; }
.form-note { margin: 0; color: var(--muted); font-size: 13px; }

/* ===== FAQ ===== */
.faq-list { display: grid; gap: 12px; max-width: 820px; }
details.faq-item {
  border: 1px solid var(--line); border-radius: var(--radius-sm);
  background: var(--white); overflow: hidden;
  transition: box-shadow .25s;
}
details.faq-item[open] { box-shadow: var(--shadow-sm); }
details.faq-item summary {
  padding: 22px 24px; font-size: 17px; font-weight: 700;
  cursor: pointer; list-style: none;
  display: flex; justify-content: space-between; align-items: center; gap: 14px;
  transition: color .2s;
}
details.faq-item summary:hover { color: var(--rosewood); }
details.faq-item summary::-webkit-details-marker { display: none; }
details.faq-item summary::after {
  content: "+"; font-size: 22px; color: var(--rosewood);
  font-weight: 400; transition: transform .3s;
}
details.faq-item[open] summary::after { content: "−"; }
details.faq-item .faq-body { padding: 0 24px 22px; color: var(--muted); line-height: 1.75; }

/* ===== WHATSAPP FLOAT ===== */
.whatsapp-float {
  position: fixed; bottom: 24px; right: 24px; z-index: 200;
  display: flex; align-items: center; gap: 10px;
  padding: 12px 20px;
  border-radius: 999px;
  background: #25D366; color: #fff;
  box-shadow: 0 6px 28px rgba(37,211,102,.38);
  transition: transform .25s, box-shadow .25s;
  font-size: 14px; font-weight: 700;
  letter-spacing: .02em;
  animation: wa-pulse 2.4s ease-in-out infinite;
}
.whatsapp-float::before {
  content: "";
  width: 28px; height: 28px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white'%3E%3Cpath d='M17.472 14.382c-.297-.149-1.758-.867-2.03-.967-.273-.099-.471-.148-.67.15-.197.297-.767.966-.94 1.164-.173.199-.347.223-.644.075-.297-.15-1.255-.463-2.39-1.475-.883-.788-1.48-1.761-1.653-2.059-.173-.297-.018-.458.13-.606.134-.133.298-.347.446-.52.149-.174.198-.298.298-.497.099-.198.05-.371-.025-.52-.075-.149-.669-1.612-.916-2.207-.242-.579-.487-.5-.669-.51-.173-.008-.371-.01-.57-.01-.198 0-.52.074-.792.372-.272.297-1.04 1.016-1.04 2.479 0 1.462 1.065 2.875 1.213 3.074.149.198 2.096 3.2 5.077 4.487.709.306 1.262.489 1.694.625.712.227 1.36.195 1.871.118.571-.085 1.758-.719 2.006-1.413.248-.694.248-1.289.173-1.413-.074-.124-.272-.198-.57-.347m-5.421 7.403h-.004a9.87 9.87 0 01-5.031-1.378l-.361-.214-3.741.982.998-3.648-.235-.374a9.86 9.86 0 01-1.51-5.26c.001-5.45 4.436-9.884 9.888-9.884 2.64 0 5.122 1.03 6.988 2.898a9.825 9.825 0 012.893 6.994c-.003 5.45-4.437 9.884-9.885 9.884m8.413-18.297A11.815 11.815 0 0012.05 0C5.495 0 .16 5.335.157 11.892c0 2.096.547 4.142 1.588 5.945L.057 24l6.305-1.654a11.882 11.882 0 005.683 1.448h.005c6.554 0 11.89-5.335 11.893-11.893a11.821 11.821 0 00-3.48-8.413z'/%3E%3C/svg%3E") center/contain no-repeat;
  flex-shrink: 0;
}
@keyframes wa-pulse {
  0%, 100% { box-shadow: 0 6px 28px rgba(37,211,102,.38); }
  50% { box-shadow: 0 6px 36px rgba(37,211,102,.58); }
}
.whatsapp-float:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 36px rgba(37,211,102,.55);
  animation: none;
}

/* ===== FOOTER ===== */
.footer {
  padding: 52px 5vw 36px;
  background: #F5F0EB; color: #6B5D59;
  font-size: 14px; line-height: 1.75;
  border-top: 1px solid #F0E4D4;
}
.footer strong { color: #2D1E1A; }
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 32px; max-width: 1320px; margin: 0 auto 32px;
}
.footer-grid h4 { color: #2D1E1A; margin-bottom: 12px; font-size: 14px; text-transform: uppercase; letter-spacing: .08em; }
.footer-grid a { display: block; color: #8B7355; transition: color .2s; }
.footer-grid a:hover { color: #2D1E1A; }
.footer-bottom {
  max-width: 1320px; margin: 0 auto; padding-top: 20px;
  border-top: 1px solid #F0E4D4;
  text-align: center; font-size: 12px; color: #A89880;
}

/* ===== STATS GRID (About page) ===== */
.stats-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
}
.stat-card {
  padding: 28px; border: 1px solid var(--line);
  border-radius: var(--radius); background: var(--white);
  text-align: center; box-shadow: var(--shadow-sm);
  transition: transform .3s, box-shadow .3s;
}
.stat-card:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.stat-card strong {
  display: block; font-size: clamp(36px, 4vw, 52px); font-weight: 800;
  color: var(--rosewood); line-height: 1;
}
.stat-card strong span { font-size: .55em; font-weight: 600; opacity: .7; }
.stat-label {
  display: block; margin: 10px 0 8px;
  color: var(--champagne); font-size: 13px; font-weight: 700;
  letter-spacing: .08em; text-transform: uppercase;
}
.stat-card p {
  margin: 0; color: var(--muted); font-size: 13.5px; line-height: 1.6;
}

/* ===== CERT STRIP (homepage) ===== */
.cert-strip {
  display: flex; align-items: center; justify-content: center;
  gap: 24px; flex-wrap: wrap;
}
.cert-badge {
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  padding: 20px; border: 1px solid var(--line);
  border-radius: var(--radius-sm); background: var(--white);
  box-shadow: var(--shadow-sm); transition: transform .3s, box-shadow .3s;
  width: 140px;
}
.cert-badge:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.cert-badge img {
  width: 80px; height: 100px; object-fit: contain;
}
.cert-badge span {
  font-size: 12px; font-weight: 800; letter-spacing: .06em;
  text-transform: uppercase; color: var(--rosewood);
}

/* ===== CERTIFICATIONS GRID ===== */
.cert-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 16px;
}
.cert-card {
  border: 1px solid var(--line); border-radius: var(--radius-sm);
  background: var(--white); box-shadow: var(--shadow-sm);
  overflow: hidden; transition: transform .3s, box-shadow .3s;
}
.cert-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.cert-card img {
  width: 100%; aspect-ratio: 3/4; object-fit: contain;
  background: #faf8f5; padding: 20px;
}
.cert-card span {
  display: block; padding: 14px 16px;
  font-size: 13px; font-weight: 700; text-align: center;
  color: var(--ink); letter-spacing: .02em;
}

/* ===== OEM HERO · redesigned ===== */
.oem-hero {
  padding: 0;
  background: linear-gradient(135deg, #fdf7f3 0%, #f9f0e9 40%, #f5e4dd 100%);
  overflow: hidden;
}
.oem-hero-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 60px 32px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.oem-hero-text h1 {
  max-width: 560px;
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.18;
  margin: 14px 0 0;
}
.oem-hero-text .lead {
  margin: 18px 0 0;
  font-size: 15.5px;
  line-height: 1.68;
  color: var(--muted);
  max-width: 520px;
}
.oem-hero-bullets {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  margin: 22px 0 0;
}
.oem-hero-bullets span {
  font-size: 13px;
  color: var(--rosewood);
  font-weight: 600;
}
.oem-hero-image {
  position: relative;
}
.oem-hero-image img {
  width: 100%;
  border-radius: 18px;
  box-shadow: 0 18px 50px rgba(139,93,84,.18), 0 4px 14px rgba(0,0,0,.06);
  transform: rotate(-1deg);
  transition: transform .35s;
}
.oem-hero-image img:hover { transform: rotate(0deg) scale(1.02); }
.oem-hero-image::after {
  content: "";
  position: absolute;
  inset: -12px 12px 12px -12px;
  border: 2px dashed var(--blush-2);
  border-radius: 22px;
  z-index: -1;
  opacity: .6;
}

/* ===== OEM SHOWCASE GRID ===== */
.oem-showcase {
  padding: 64px 0 40px;
}
.oem-showcase .section-head {
  text-align: center;
  margin-bottom: 36px;
}
.oem-showcase .section-head h2 {
  font-size: clamp(24px, 3vw, 34px);
  margin: 10px 0 0;
}
.oem-showcase .section-head p {
  color: var(--muted);
  max-width: 560px;
  margin: 10px auto 0;
}
.oem-showcase-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.oem-showcase-card {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--white);
  box-shadow: var(--shadow-sm);
  transition: transform .3s, box-shadow .3s;
}
.oem-showcase-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}
.oem-showcase-card img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  display: block;
}
.oem-showcase-card figcaption {
  padding: 16px 18px 20px;
}
.oem-showcase-card figcaption strong {
  display: block;
  font-size: 11px;
  color: var(--champagne);
  text-transform: uppercase;
  letter-spacing: .08em;
  margin-bottom: 4px;
}
.oem-showcase-card figcaption span {
  display: block;
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 4px;
}
.oem-showcase-card figcaption small {
  display: block;
  font-size: 12.5px;
  color: var(--muted);
  line-height: 1.45;
}

/* ===== OEM STATS STRIP ===== */
.oem-stats-strip {
  padding: 32px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: linear-gradient(90deg, #fdf7f3, #faf5f0, #fdf7f3);
  text-align: center;
}
.oem-stats-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  flex-wrap: wrap;
}
.oem-stat {
  padding: 0 32px;
  text-align: center;
}
.oem-stat strong {
  display: block;
  font-size: 28px;
  font-weight: 800;
  color: var(--rosewood);
  line-height: 1;
}
.oem-stat strong span {
  font-size: .5em;
  font-weight: 500;
  opacity: .6;
}
.oem-stat > span {
  display: block;
  margin-top: 5px;
  font-size: 11px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .06em;
  font-weight: 700;
}
.oem-stat-sep {
  width: 1px;
  height: 36px;
  background: var(--line);
}
.oem-stats-sub {
  margin: 16px 0 0;
  font-size: 13px;
  color: var(--muted);
  font-weight: 500;
}

/* ===== OEM PROCESS · Timeline ===== */
.oem-process {
  display: flex;
  align-items: flex-start;
  gap: 0;
  flex-wrap: wrap;
  justify-content: center;
  position: relative;
  padding-top: 20px;
}
/* Timeline connecting line */
.oem-process::before {
  content: "";
  position: absolute;
  top: 44px; left: 5%; right: 5%;
  height: 2px;
  background: linear-gradient(90deg, var(--rosewood), var(--champagne), var(--rosewood), var(--champagne), var(--rosewood));
  opacity: .35;
  z-index: 0;
}
.oem-step {
  flex: 0 0 190px;
  text-align: center;
  padding: 0 10px 24px;
  position: relative;
  z-index: 1;
}
.oem-step-num {
  width: 48px; height: 48px;
  margin: 0 auto 16px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--rosewood), #a06b60);
  color: #fff;
  font-size: 20px;
  font-weight: 800;
  box-shadow: 0 0 0 6px var(--paper), 0 0 0 8px var(--rosewood);
  transition: transform .3s, box-shadow .3s;
  position: relative;
}
.oem-step:hover .oem-step-num {
  transform: scale(1.12);
  box-shadow: 0 0 0 6px var(--paper), 0 0 0 10px var(--gold);
}
.oem-step-num::after {
  position: absolute;
  bottom: -20px; left: 50%;
  transform: translateX(-50%);
  font-size: 10px;
  font-weight: 600;
  color: var(--champagne);
  text-transform: uppercase;
  letter-spacing: .06em;
  white-space: nowrap;
}
.oem-step:nth-child(1) .oem-step-num::after { content: "Day 1"; }
.oem-step:nth-child(3) .oem-step-num::after { content: "Day 3~7"; }
.oem-step:nth-child(5) .oem-step-num::after { content: "Day 7~14"; }
.oem-step:nth-child(7) .oem-step-num::after { content: "Week 2~4"; }
.oem-step:nth-child(9) .oem-step-num::after { content: "Week 4+"; }
.oem-step h3 {
  font-size: 15px;
  margin: 20px 0 6px;
}
.oem-step p {
  font-size: 12.5px;
  color: var(--muted);
  line-height: 1.55;
  margin: 0;
}
.oem-step-arrow {
  flex: 0 0 auto;
  padding: 14px 4px 0;
  font-size: 18px;
  color: var(--champagne);
  font-weight: 700;
  z-index: 1;
}

/* ===== CUSTOMIZE GRID ===== */
.customize-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px;
}
.customize-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--white);
  padding: 20px;
  box-shadow: var(--shadow-sm);
}
.customize-icon {
  font-size: 24px;
  display: block;
  margin-bottom: 10px;
}
.customize-card h3 {
  font-size: 16px;
  margin: 0 0 12px;
}
.customize-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.customize-tags span {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--blush);
  color: var(--rosewood);
  font-size: 11.5px;
  font-weight: 600;
  white-space: nowrap;
}

/* ===== OEM FORM ===== */
.oem-form {
  max-width: 820px;
  margin: 0 auto;
}

/* ===== GALLERY FIGURE ===== */
.gallery-fig { margin: 0; border-radius: var(--radius); overflow: hidden; }
.gallery-fig img {
  width: 100%; aspect-ratio: 4/3; object-fit: cover;
  transition: transform .4s;
}
.gallery-fig:hover img { transform: scale(1.03); }
.gallery-fig figcaption {
  padding: 14px 16px; background: rgba(255,255,255,.7);
  color: var(--muted); font-size: 13px;
  font-weight: 600; letter-spacing: .02em; text-align: center;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1080px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .testimonial-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 980px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .split, .quote-wrap, .gallery { grid-template-columns: 1fr; }
  .hero { padding: 32px 0; }
  .hero-top { grid-template-columns: 1fr; gap: 28px; }
  .hero-feature-img { max-width: 400px; }
  .hero .lead { font-size: 16px; }
  .hero-metrics-row { gap: 18px; margin-top: 24px; padding-top: 22px; }
  .four, .testimonial-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .three { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .gallery.three-col { grid-template-columns: 1fr 1fr; }
  section { padding: 56px 0; }
  .trust-bar { gap: 24px; padding: 24px 5vw; }
  .oem-process { flex-direction: column; align-items: stretch; gap: 0; }
  .oem-step { flex: none; text-align: left; display: grid; grid-template-columns: 44px 1fr; gap: 0 14px; align-items: start; }
  .oem-step-num { margin: 0; }
  .oem-step h3 { margin-top: 2px; }
  .oem-step p { grid-column: 2; }
  .oem-step-arrow { text-align: center; padding: 6px 0; font-size: 24px; transform: rotate(90deg); }
}

@media (max-width: 620px) {
  .topbar { font-size: 11px; padding: 6px 12px; }
  .nav { min-height: 62px; padding: 0 4vw; gap: 10px; }
  .brand-name strong { font-size: 12px; }
  .brand-name span { display: none; }
  .brand-mark { width: 34px; height: 34px; font-size: 16px; }
  .nav-tools { gap: 6px; }
  .language-select { min-height: 36px; max-width: 80px; font-size: 11px; padding: 0 8px; }
  .nav-action { min-height: 38px; padding: 0 14px; font-size: 12px; }
  .hero { padding: 24px 0; }
  .hero-top { gap: 20px; }
  .hero-feature-img { max-width: 300px; }
  .hero-metrics-row { gap: 14px; margin-top: 20px; padding-top: 18px; }
  .hero-metrics-row .metric strong { font-size: 20px; }
  h1 { font-size: clamp(26px, 6.5vw, 40px); }
  h2 { font-size: clamp(20px, 4.5vw, 28px); }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .btn { width: 100%; }
  .four, .three, .two, .quote-form, .testimonial-grid, .footer-grid,
  .gallery.three-col { grid-template-columns: 1fr; }
  .section-head { display: block; }
  .section-head p { margin-top: 12px; }
  section { padding: 44px 0; }
  .image-block { min-height: 260px; }
  .product img { aspect-ratio: 1/1; }
  .footer { text-align: center; }
  .whatsapp-float { bottom: 16px; right: 16px; padding: 10px 16px; font-size: 13px; }
  .whatsapp-float::before { width: 24px; height: 24px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .cert-grid { grid-template-columns: repeat(2, 1fr); }
  .oem-hero-inner { grid-template-columns: 1fr; gap: 32px; padding: 40px 20px; }
  .oem-hero-image img { transform: rotate(0); }
  .oem-hero-image::after { display: none; }
  .oem-hero-bullets { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 12px; }
  .oem-showcase-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .oem-showcase .section-head h2 { font-size: 22px; }
  .oem-stat-sep { display: none; }
  .oem-stat { padding: 12px 16px; }
}
@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr; }
  .cert-grid { grid-template-columns: 1fr 1fr; }
}