:root {
  /* Charcoal / graphite — panel furniture, industrial B2B */
  --primary: #2a2a2a;
  --primary-dark: #141414;
  --primary-light: #5a5a5a;
  --accent: #6b6b6b;
  --accent-soft: #d4d4d4;
  --dark: #111111;
  --gray-dark: #2e2e2e;
  --gray: #6a6a6a;
  --gray-light: #9a9a9a;
  --light-gray: #ececec;
  --white: #ffffff;
  --bg: #f4f4f4;
  --surface: #fafafa;
  --panel: #1a1a1a;
  --panel-mid: #2c2c2c;
  --hero-a: #efefef;
  --hero-b: #e2e2e2;
  --hero-c: #f7f7f7;
  --media-a: #d8d8d8;
  --media-b: #3a3a3a;
  --primary-rgb: 42, 42, 42;
  --accent-rgb: 107, 107, 107;
  --spot: #25d366;
  --spot-dark: #1fad56;
  --spot-rgb: 37, 211, 102;
  --shadow: 0 2px 14px rgba(0, 0, 0, 0.08);
  --shadow-hover: 0 10px 32px rgba(0, 0, 0, 0.14);
  --transition: all 0.3s ease;
  --ink: #111111;
  --max-width: 1200px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
}

body {
  font-family: 'Manrope', 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--gray-dark);
  background: var(--bg);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, .logo-text, .product-name {
  font-family: 'Fraunces', Georgia, 'Times New Roman', serif;
  font-optical-sizing: auto;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(250, 250, 250, 0.92);
  backdrop-filter: blur(10px);
  z-index: 1000;
  border-bottom: 1px solid rgba(0,0,0,0.05);
  transition: var(--transition);
}

.header.scrolled {
  box-shadow: var(--shadow);
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--dark);
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(145deg, var(--primary-light) 0%, var(--primary) 55%, var(--primary-dark) 100%);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: bold;
  font-size: 18px;
  font-family: 'Manrope', sans-serif;
  letter-spacing: 0.5px;
  overflow: hidden;
  flex-shrink: 0;
}

.logo-icon.has-image {
  background: transparent;
  padding: 0;
}

.logo-icon.has-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.logo-text {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--dark);
}

.logo-sub {
  font-size: 0.75rem;
  color: var(--gray);
  letter-spacing: 2px;
}

.nav-menu {
  display: flex;
  gap: 5px;
  list-style: none;
}

.nav-link {
  color: var(--gray-dark);
  text-decoration: none;
  padding: 10px 18px;
  border-radius: 6px;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: var(--spot-dark);
  background: rgba(var(--spot-rgb), 0.1);
}

.nav-cta {
  background: var(--primary);
  color: white !important;
  padding: 10px 24px !important;
  border-radius: 6px;
}

.nav-cta:hover,
.nav-cta.active {
  background: var(--primary-dark);
  color: white !important;
}

.nav-link:focus-visible,
.btn:focus-visible,
.category-tab:focus-visible,
.thumbnail:focus-visible,
.faq-question:focus-visible,
.lang-select:focus-visible,
.form-group input:focus-visible,
.form-group select:focus-visible,
.form-group textarea:focus-visible {
  outline: 2px solid var(--spot);
  outline-offset: 2px;
}

.header-social {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-left: 16px;
}

.header-social a {
  width: 36px;
  height: 36px;
  background: #f0f0f0;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #555;
  text-decoration: none;
  transition: var(--transition);
}

.header-social a[aria-label="Facebook"] {
  color: #1877f2;
  background: rgba(24, 119, 242, 0.12);
}

.header-social a[aria-label="LinkedIn"] {
  color: #0a66c2;
  background: rgba(10, 102, 194, 0.12);
}

.header-social a[aria-label="WhatsApp"] {
  color: #25d366;
  background: rgba(37, 211, 102, 0.14);
}

.header-social a:hover {
  color: #fff;
  transform: translateY(-2px);
}

.header-social a[aria-label="Facebook"]:hover {
  background: #1877f2;
}

.header-social a[aria-label="LinkedIn"]:hover {
  background: #0a66c2;
}

.header-social a[aria-label="WhatsApp"]:hover {
  background: #25d366;
}

.header-social svg {
  width: 16px;
  height: 16px;
}

/* Language switcher (dropdown) */
.lang-switch {
  display: flex;
  align-items: center;
  margin-left: 12px;
}

.lang-select {
  appearance: none;
  -webkit-appearance: none;
  border: 1px solid rgba(0, 0, 0, 0.08);
  background:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%232a2a2a' d='M2.5 4.5L6 8l3.5-3.5'/%3E%3C/svg%3E")
    no-repeat right 10px center / 12px,
    rgba(var(--primary-rgb), 0.08);
  color: var(--dark);
  font-family: 'Manrope', sans-serif;
  font-size: 0.82rem;
  font-weight: 600;
  padding: 8px 32px 8px 12px;
  border-radius: 8px;
  cursor: pointer;
  line-height: 1.2;
  transition: var(--transition);
  min-width: 7.5rem;
}

.lang-select:hover,
.lang-select:focus {
  border-color: rgba(var(--primary-rgb), 0.45);
  outline: none;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

html[lang="zh-CN"] body {
  font-family: 'Noto Sans SC', 'Manrope', 'Microsoft YaHei', sans-serif;
}

html[lang="zh-CN"] h1,
html[lang="zh-CN"] h2,
html[lang="zh-CN"] h3,
html[lang="zh-CN"] .logo-text,
html[lang="zh-CN"] .product-name {
  font-family: 'Noto Serif SC', 'Fraunces', 'Songti SC', serif;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  width: 30px;
  height: 24px;
  cursor: pointer;
  flex-direction: column;
  justify-content: space-between;
}

.nav-toggle span {
  width: 100%;
  height: 3px;
  background: var(--dark);
  border-radius: 2px;
  transition: var(--transition);
}

/* Hero Section — full-bleed carousel */
.hero {
  position: relative;
  min-height: min(100vh, 860px);
  height: min(100vh, 860px);
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 0;
  background: #111111;
}

.hero--fullbleed {
  padding-top: 0;
}

.hero::before {
  display: none;
}

.hero-stage {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-slides {
  position: absolute;
  inset: 0;
}

.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.85s ease;
  pointer-events: none;
}

.hero-slide.is-active {
  opacity: 1;
  pointer-events: auto;
  z-index: 1;
}

.hero-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  transform: scale(1.02);
  animation: heroKen 12s ease-out forwards;
}

.hero-slide.is-active img {
  animation: heroKen 12s ease-out forwards;
}

@keyframes heroKen {
  from { transform: scale(1.02); }
  to { transform: scale(1.08); }
}

.hero-shade {
  position: absolute;
  inset: 0;
  z-index: 2;
  background:
    linear-gradient(90deg, rgba(12, 28, 20, 0.78) 0%, rgba(12, 28, 20, 0.45) 42%, rgba(12, 28, 20, 0.18) 100%),
    linear-gradient(180deg, rgba(12, 28, 20, 0.35) 0%, transparent 28%, rgba(12, 28, 20, 0.4) 100%);
  pointer-events: none;
}

.hero-overlay {
  position: relative;
  z-index: 3;
  width: 100%;
  padding: 120px 0 80px;
  pointer-events: none;
}

.hero-text {
  max-width: 640px;
  pointer-events: auto;
}

.hero-brand {
  margin: 0 0 14px;
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  font-family: 'Fraunces', Georgia, serif;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.02em;
  text-shadow: 0 2px 24px rgba(0,0,0,0.45);
  line-height: 1.1;
}

.hero-text h1 {
  font-size: clamp(2.2rem, 4.5vw, 3.4rem);
  font-weight: 700;
  color: #fff;
  line-height: 1.12;
  margin-bottom: 18px;
  letter-spacing: -0.02em;
  text-shadow: 0 2px 20px rgba(0,0,0,0.35);
}

.hero-text h1 span {
  color: #d0d0d0;
}

.hero-text > p {
  font-size: 1.08rem;
  color: rgba(255,255,255,0.88);
  margin-bottom: 28px;
  line-height: 1.7;
  max-width: 36em;
}

.hero-buttons {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.hero--fullbleed .btn-outline-light {
  border: 2px solid rgba(255,255,255,0.85);
  color: #fff;
  background: transparent;
}

.hero--fullbleed .btn-outline-light:hover {
  background: #fff;
  color: var(--primary-dark);
  border-color: #fff;
}

.hero-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 4;
  width: 46px;
  height: 46px;
  border: none;
  border-radius: 50%;
  background: rgba(255,255,255,0.9);
  color: #111111;
  font-size: 1.6rem;
  line-height: 1;
  cursor: pointer;
  box-shadow: 0 6px 20px rgba(0,0,0,0.2);
  transition: background 0.2s ease, transform 0.2s ease;
}

.hero-nav:hover {
  background: #fff;
  transform: translateY(-50%) scale(1.06);
}

.hero-nav-prev { left: 18px; }
.hero-nav-next { right: 18px; }

.hero-dots {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 28px;
  z-index: 4;
  display: flex;
  justify-content: center;
  gap: 10px;
}

.hero-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: none;
  padding: 0;
  background: rgba(255,255,255,0.4);
  cursor: pointer;
  transition: background 0.2s ease, transform 0.2s ease;
}

.hero-dot.is-active {
  background: #fff;
  transform: scale(1.2);
}

/* legacy two-column helpers (unused on home full-bleed) */
.hero-content {
  display: block;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
  border: none;
  cursor: pointer;
  font-size: 1rem;
}

.btn-primary {
  background: var(--primary);
  color: white;
}

.btn-primary:hover {
  background: var(--spot-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(var(--spot-rgb), 0.35);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

.btn-outline:hover {
  background: var(--primary);
  color: white;
}

.btn-outline-light {
  border: 2px solid rgba(255, 255, 255, 0.85);
  color: white;
  background: transparent;
}

.btn-outline-light:hover {
  background: white;
  color: var(--primary-dark);
  border-color: white;
}

.btn-light {
  background: white;
  color: var(--dark);
}

.btn-light:hover {
  background: var(--light-gray);
}

/* Stats */
.stats {
  background: var(--panel);
  color: white;
  padding: 60px 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  text-align: center;
}

.stat-item h3 {
  font-size: 3rem;
  color: var(--spot);
  margin-bottom: 8px;
}

.stat-item p {
  font-size: 1rem;
  color: rgba(255,255,255,0.7);
}

/* Section Title */
.section {
  padding: 100px 0;
}

.section-title {
  text-align: center;
  margin-bottom: 60px;
}

.section-title .label {
  display: inline-block;
  color: var(--spot-dark);
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  font-size: 0.9rem;
  margin-bottom: 12px;
}

.section-title h2 {
  font-size: 2.5rem;
  color: var(--dark);
  margin-bottom: 16px;
}

.section-title p {
  font-size: 1.1rem;
  color: var(--gray);
  max-width: 600px;
  margin: 0 auto;
}

/* Features */
.features {
  background: var(--bg);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.feature-card {
  background: var(--surface);
  padding: 40px 30px;
  border-radius: 16px;
  text-align: center;
  transition: var(--transition);
  border: 1px solid rgba(0,0,0,0.05);
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
}

.feature-icon {
  width: 70px;
  height: 70px;
  background: linear-gradient(145deg, var(--primary) 0%, var(--primary-light) 100%);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 22px;
  font-weight: 700;
  font-family: 'Manrope', sans-serif;
  color: white;
}

.feature-card h3 {
  font-size: 1.25rem;
  color: var(--dark);
  margin-bottom: 12px;
}

.feature-card p {
  color: var(--gray);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* Products */
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.product-card {
  background: var(--surface);
  border-radius: 16px;
  overflow: hidden;
  transition: var(--transition);
  box-shadow: var(--shadow);
  text-decoration: none;
  color: inherit;
  display: block;
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}

.product-image {
  height: 280px;
  background: linear-gradient(145deg, var(--media-a) 0%, var(--primary-light) 100%);
  position: relative;
  overflow: hidden;
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.product-card:hover .product-image img {
  transform: scale(1.05);
}

.product-tag {
  position: absolute;
  top: 16px;
  left: 16px;
  background: var(--primary);
  color: white;
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 600;
}

.product-info {
  padding: 24px;
}

.product-category {
  font-size: 0.8rem;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 8px;
}

.product-name {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 8px;
}

.product-specs {
  display: flex;
  gap: 12px;
  color: var(--gray);
  font-size: 0.85rem;
}

.product-specs span::before {
  content: '✓';
  color: var(--primary);
  margin-right: 4px;
}

.products-cta {
  text-align: center;
  margin-top: 50px;
}

/* Categories */
.categories {
  background: var(--light-gray);
}

.category-tabs {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.category-tab {
  padding: 10px 24px;
  border: 2px solid transparent;
  background: var(--surface);
  border-radius: 30px;
  cursor: pointer;
  font-weight: 500;
  transition: var(--transition);
  color: var(--gray-dark);
}

.category-tab:hover,
.category-tab.active {
  border-color: var(--primary);
  color: var(--primary);
}

.category-tab.active {
  background: var(--primary);
  color: white;
}

/* Why Choose Us */
.why-choose {
  background: linear-gradient(145deg, var(--panel) 0%, var(--panel-mid) 100%);
  color: white;
}

.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.why-image {
  height: 500px;
  background: linear-gradient(145deg, var(--media-a) 0%, var(--media-b) 100%);
  border-radius: 20px;
  overflow: hidden;
}

.why-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.why-content .label {
  color: var(--spot-dark);
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  font-size: 0.9rem;
}

.why-content h2 {
  font-size: 2.5rem;
  margin: 16px 0;
  line-height: 1.2;
}

.why-content > p {
  color: rgba(255,255,255,0.7);
  font-size: 1.1rem;
  margin-bottom: 40px;
}

.why-features {
  list-style: none;
}

.why-features li {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 24px;
}

.why-feature-icon {
  width: 44px;
  height: 44px;
  background: rgba(var(--accent-rgb), 0.16);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 22px;
}

.why-feature-text strong {
  display: block;
  font-size: 1.1rem;
  margin-bottom: 4px;
}

.why-feature-text span {
  color: rgba(255,255,255,0.6);
  font-size: 0.95rem;
}

/* Testimonials */
.testimonial-slider {
  display: flex;
  gap: 30px;
  overflow-x: auto;
  padding-bottom: 20px;
  scroll-snap-type: x mandatory;
}

.testimonial-card {
  min-width: 360px;
  background: var(--surface);
  padding: 35px;
  border-radius: 16px;
  box-shadow: var(--shadow);
  scroll-snap-align: start;
  position: relative;
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: 20px;
  right: 30px;
  font-size: 80px;
  color: var(--primary);
  opacity: 0.2;
  font-family: Georgia, serif;
  line-height: 1;
}

.testimonial-card p {
  color: var(--gray);
  font-style: italic;
  line-height: 1.7;
  margin-bottom: 24px;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 14px;
}

.testimonial-avatar {
  width: 50px;
  height: 50px;
  background: linear-gradient(145deg, var(--primary) 0%, var(--accent) 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: bold;
  font-size: 1.1rem;
  font-family: 'Manrope', sans-serif;
}

.testimonial-author strong {
  display: block;
  color: var(--dark);
}

.testimonial-author span {
  font-size: 0.85rem;
  color: var(--gray);
}

/* CTA Section */
.cta-section {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: white;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -20%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
  border-radius: 50%;
}

.cta-content {
  position: relative;
  z-index: 1;
}

.cta-section h2 {
  font-size: 2.8rem;
  margin-bottom: 16px;
}

.cta-section p {
  font-size: 1.2rem;
  opacity: 0.9;
  margin-bottom: 36px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* Footer */
.footer {
  background: var(--ink);
  color: rgba(255,255,255,0.7);
  padding: 80px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 50px;
  margin-bottom: 60px;
}

.footer-brand .logo {
  margin-bottom: 20px;
}

.footer-brand .logo-text {
  color: white;
}

.footer-brand p {
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 24px;
}

.footer-social {
  display: flex;
  gap: 12px;
}

.footer-social a {
  width: 40px;
  height: 40px;
  background: rgba(255,255,255,0.1);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  text-decoration: none;
  transition: var(--transition);
}

.footer-social a[aria-label="Facebook"]:hover {
  background: #1877f2;
}

.footer-social a[aria-label="LinkedIn"]:hover {
  background: #0a66c2;
}

.footer-social a[aria-label="WhatsApp"]:hover {
  background: #25d366;
}

.footer-social a:hover {
  transform: translateY(-3px);
}

.footer h4 {
  color: white;
  font-size: 1.1rem;
  margin-bottom: 24px;
}

.footer ul {
  list-style: none;
}

.footer ul li {
  margin-bottom: 14px;
}

.footer ul a {
  color: rgba(255,255,255,0.7);
  text-decoration: none;
  transition: var(--transition);
}

.footer ul a:hover {
  color: var(--accent);
}

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.95rem;
}

.footer-contact li span {
  margin-top: 2px;
  min-width: 42px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 24px 0;
  text-align: center;
  font-size: 0.9rem;
}

.footer-bottom a {
  color: rgba(255,255,255,0.7);
  text-decoration: none;
}

.footer-bottom a:hover {
  color: var(--accent);
}

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

/* Page Banner */
.page-banner {
  background: linear-gradient(145deg, var(--panel) 0%, var(--panel-mid) 100%);
  color: white;
  padding: 150px 0 80px;
  text-align: center;
}

.page-banner h1 {
  font-size: 3rem;
  margin-bottom: 12px;
}

.page-banner p {
  font-size: 1.15rem;
  opacity: 0.8;
}

.breadcrumb {
  margin-top: 20px;
  font-size: 0.9rem;
  color: var(--muted, #5d7166);
}

.breadcrumb a {
  color: var(--primary-dark, #141414);
  text-decoration: none;
}

.breadcrumb a:hover {
  color: var(--primary, #2a2a2a);
  text-decoration: underline;
}

.breadcrumb span {
  margin: 0 8px;
  color: var(--ink, #111111);
}

/* Product Detail */
.product-detail {
  padding: 100px 0;
}

.product-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}

.product-gallery {
  position: sticky;
  top: 100px;
}

.main-image {
  width: 100%;
  height: 500px;
  background: linear-gradient(145deg, var(--media-a) 0%, var(--primary-light) 100%);
  border-radius: 16px;
  overflow: hidden;
  margin-bottom: 20px;
}

.main-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.thumbnail-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.thumbnail {
  height: 80px;
  background: linear-gradient(145deg, var(--media-a) 0%, var(--primary-light) 100%);
  border-radius: 8px;
  cursor: pointer;
  overflow: hidden;
  border: 2px solid transparent;
  transition: var(--transition);
}

.thumbnail.active {
  border-color: var(--primary);
}

.thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-detail-info .category {
  color: var(--primary);
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  font-size: 0.85rem;
  margin-bottom: 12px;
}

.product-detail-info h1 {
  font-size: 2.5rem;
  color: var(--dark);
  margin-bottom: 20px;
  line-height: 1.2;
}

.product-detail-info .description {
  color: var(--gray);
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 30px;
}

.product-specs-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 30px;
  background: white;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.product-specs-table th {
  background: var(--light-gray);
  padding: 14px 20px;
  text-align: left;
  font-size: 0.9rem;
  color: var(--gray-dark);
  font-weight: 600;
  width: 40%;
}

.product-specs-table td {
  padding: 14px 20px;
  border-top: 1px solid rgba(0,0,0,0.05);
  color: var(--gray);
}

.product-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 30px;
}

.inquiry-form {
  background: var(--light-gray);
  padding: 40px;
  border-radius: 16px;
  margin-top: 40px;
}

.inquiry-form h3 {
  font-size: 1.4rem;
  color: var(--dark);
  margin-bottom: 24px;
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--gray-dark);
  font-size: 0.9rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid #e0e0e0;
  border-radius: 8px;
  font-size: 1rem;
  transition: var(--transition);
  background: white;
  font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--spot);
  box-shadow: 0 0 0 3px rgba(var(--spot-rgb), 0.18);
}

.form-group input.field-error,
.form-group select.field-error,
.form-group textarea.field-error {
  border-color: #c0392b;
}

.form-feedback {
  background: rgba(var(--primary-rgb), 0.08);
  border: 1px solid rgba(var(--primary-rgb), 0.22);
  color: var(--primary-dark);
  padding: 12px 16px;
  border-radius: 8px;
  margin-bottom: 18px;
  font-size: 0.95rem;
}

.form-feedback-error {
  background: rgba(192, 57, 43, 0.08);
  border-color: #c0392b;
  color: #922b21;
}

.form-feedback-success {
  background: rgba(39, 174, 96, 0.1);
  border-color: #27ae60;
  color: #1e8449;
}

.hp-field {
  position: absolute !important;
  left: -9999px !important;
  width: 1px !important;
  height: 1px !important;
  opacity: 0 !important;
  pointer-events: none !important;
}

.btn-block {
  width: 100%;
  justify-content: center;
}

.form-note {
  margin-top: 14px;
  text-align: center;
  font-size: 0.9rem;
  color: var(--gray);
}

.form-note a {
  color: var(--primary);
  font-weight: 600;
  text-decoration: none;
}

.form-note a:hover {
  text-decoration: underline;
}

.form-sent .btn-primary {
  background: #27ae60;
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

/* About Page */
.about-section {
  padding: 100px 0;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-image {
  height: 450px;
  background: linear-gradient(145deg, var(--media-a) 0%, var(--media-b) 100%);
  border-radius: 20px;
  overflow: hidden;
}

.about-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-content .label {
  color: var(--spot-dark);
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  font-size: 0.9rem;
}

.about-content h2 {
  font-size: 2.5rem;
  color: var(--dark);
  margin: 16px 0;
}

.about-content p {
  color: var(--gray);
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 20px;
}

/* Timeline */
.timeline {
  position: relative;
  padding: 60px 0;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--primary-light);
  transform: translateX(-50%);
}

.timeline-item {
  display: flex;
  margin-bottom: 60px;
  position: relative;
}

.timeline-item:nth-child(odd) {
  flex-direction: row-reverse;
}

.timeline-content {
  width: 45%;
  background: var(--surface);
  padding: 30px;
  border-radius: 16px;
  box-shadow: var(--shadow);
}

.timeline-item::after {
  content: '';
  position: absolute;
  left: 50%;
  top: 30px;
  width: 20px;
  height: 20px;
  background: var(--primary);
  border-radius: 50%;
  transform: translateX(-50%);
  border: 4px solid white;
  box-shadow: 0 0 0 2px var(--primary);
}

.timeline-year {
  color: var(--primary);
  font-weight: 700;
  font-size: 1.3rem;
  margin-bottom: 8px;
}

.timeline-content h3 {
  color: var(--dark);
  margin-bottom: 12px;
}

.timeline-content p {
  color: var(--gray);
}

/* Contact Page */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}

.contact-info-card {
  background: var(--surface);
  padding: 40px;
  border-radius: 16px;
  box-shadow: var(--shadow);
  margin-bottom: 24px;
  display: flex;
  gap: 20px;
}

.contact-info-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(145deg, var(--primary) 0%, var(--primary-light) 100%);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 18px;
  font-weight: 700;
  font-family: 'Manrope', sans-serif;
  flex-shrink: 0;
}

.contact-info-content h4 {
  color: var(--dark);
  margin-bottom: 6px;
}

.contact-info-content p {
  color: var(--gray);
  font-size: 1rem;
}

.contact-form-wrap {
  background: var(--surface);
  padding: 50px;
  border-radius: 20px;
  box-shadow: var(--shadow);
}

.contact-form-wrap h2 {
  font-size: 2rem;
  color: var(--dark);
  margin-bottom: 12px;
}

.contact-form-wrap > p {
  color: var(--gray);
  margin-bottom: 30px;
}

.faq-section {
  background: var(--light-gray);
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--surface);
  border-radius: 12px;
  margin-bottom: 16px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.faq-question {
  padding: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-weight: 600;
  color: var(--dark);
  transition: var(--transition);
}

.faq-question:hover {
  color: var(--primary);
}

.faq-toggle {
  width: 28px;
  height: 28px;
  background: var(--primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s ease;
}

.faq-item.open .faq-toggle {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-item.open .faq-answer {
  max-height: 300px;
}

.faq-answer-inner {
  padding: 0 24px 24px;
  color: var(--gray);
  line-height: 1.8;
}

/* Animations */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* WhatsApp Widget (legacy, hidden when chat widget loads) */
.whatsapp-widget {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 60px;
  height: 60px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-decoration: none;
  box-shadow: 0 4px 20px rgba(37,211,102,0.4);
  z-index: 999;
  transition: var(--transition);
}

.whatsapp-widget:hover {
  transform: scale(1.1);
}

/* Chat launcher widget */
.rw-chat {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 1100;
  font-family: inherit;
}

.rw-chat-launcher {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border: none;
  cursor: pointer;
  color: #fff;
  background: linear-gradient(145deg, #2fe074, #1fad56);
  padding: 14px 18px 14px 14px;
  border-radius: 999px;
  box-shadow: 0 10px 28px rgba(31, 173, 86, 0.4);
  font: inherit;
  font-weight: 700;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.rw-chat-launcher:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 32px rgba(31, 173, 86, 0.5);
}

.rw-chat-launcher-icon {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.22);
  border: 1px solid rgba(255, 255, 255, 0.35);
  display: grid;
  place-items: center;
  font-size: 1rem;
  color: #fff;
}

.rw-chat-icon-svg {
  display: block;
}

.rw-chat-icon-svg path {
  fill: #fff !important;
}

.rw-chat-panel {
  position: absolute;
  right: 0;
  bottom: 72px;
  width: min(360px, calc(100vw - 28px));
  background: #fff;
  border: 1px solid #e0e0e0;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.18);
  transform-origin: bottom right;
  animation: rwChatIn 0.22s ease;
}

.rw-chat-panel[hidden] {
  display: none !important;
}

@keyframes rwChatIn {
  from { opacity: 0; transform: translateY(8px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.rw-chat-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
  padding: 16px 16px 14px;
  background: linear-gradient(135deg, #3a3a3a, #1a1a1a);
  color: #fff;
}

.rw-chat-head strong {
  display: block;
  font-size: 1.05rem;
}

.rw-chat-head span {
  display: block;
  margin-top: 4px;
  font-size: 0.8rem;
  opacity: 0.92;
}

.rw-chat-close {
  border: none;
  background: rgba(0, 0, 0, 0.2);
  color: #fff;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.2rem;
  line-height: 1;
}

.rw-chat-body {
  padding: 16px;
  background: #f5f5f5;
}

.rw-chat-bubble {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin-bottom: 14px;
}

.rw-chat-avatar {
  flex-shrink: 0;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: #2a2a2a;
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 0.72rem;
  font-weight: 700;
}

.rw-chat-msg {
  background: #f3f3f3;
  border: 1px solid #e0e0e0;
  border-radius: 12px;
  padding: 10px 12px;
  color: #111111;
  font-size: 0.9rem;
  line-height: 1.45;
}

.rw-chat-actions {
  display: grid;
  gap: 8px;
}

.rw-chat-btn {
  display: block;
  text-align: center;
  text-decoration: none;
  border-radius: 12px;
  padding: 12px 14px;
  font-weight: 700;
  font-size: 0.92rem;
  transition: transform 0.15s ease, filter 0.15s ease;
}

.rw-chat-btn:hover {
  transform: translateY(-1px);
  filter: brightness(1.03);
}

.rw-chat-btn-wa {
  background: #25d366;
  color: #fff;
}

.rw-chat-btn-messenger {
  background: #0084ff;
  color: #fff;
}

.rw-chat-btn-mail {
  background: #f0f0f0;
  color: #222;
  border: 1px solid #d8d8d8;
}

.rw-chat-btn-quote {
  background: #111111;
  color: #fff;
}

@media (max-width: 640px) {
  .rw-chat {
    right: 14px;
    bottom: 14px;
  }
  .rw-chat-launcher-label {
    display: none;
  }
  .rw-chat-launcher {
    padding: 12px;
    border-radius: 50%;
  }
}

/* Scroll to top */
.scroll-top {
  position: fixed;
  bottom: 100px;
  right: 30px;
  left: auto;
  width: 48px;
  height: 48px;
  background: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  text-decoration: none;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 1090;
  box-shadow: 0 6px 18px rgba(47, 107, 74, 0.28);
}

.scroll-top.visible {
  opacity: 1;
  visibility: visible;
}

.scroll-top:hover {
  background: var(--primary-dark);
}

@media (max-width: 640px) {
  .scroll-top {
    right: 18px;
    bottom: 92px;
  }
}

/* Responsive */
@media (max-width: 992px) {
  .hero,
  .hero--fullbleed {
    height: auto;
    min-height: min(92vh, 760px);
  }

  .hero-overlay {
    padding: 110px 0 84px;
  }

  .hero-content,
  .why-grid,
  .about-grid,
  .product-detail-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero-text h1 {
    font-size: 2.35rem;
  }

  .hero-nav {
    width: 40px;
    height: 40px;
    font-size: 1.4rem;
  }

  .hero-nav-prev { left: 10px; }
  .hero-nav-next { right: 10px; }

  .features-grid,
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }

  .timeline::before {
    left: 20px;
  }

  .timeline-item,
  .timeline-item:nth-child(odd) {
    flex-direction: row;
  }

  .timeline-content {
    width: calc(100% - 50px);
    margin-left: 50px;
  }

  .timeline-item::after {
    left: 20px;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    display: none;
    position: absolute;
    top: 70px;
    left: 0;
    right: 0;
    background: white;
    flex-direction: column;
    padding: 20px;
    gap: 10px;
    box-shadow: var(--shadow);
  }

  .nav-menu.open {
    display: flex;
  }

  .header-social {
    display: none;
  }

  .lang-switch {
    margin-left: auto;
    margin-right: 12px;
  }

  .lang-select {
    min-width: 6.5rem;
    font-size: 0.78rem;
    padding: 7px 28px 7px 10px;
  }

  .nav-toggle {
    display: flex;
  }

  .hero-text h1 {
    font-size: 2rem;
  }

  .section {
    padding: 60px 0;
  }

  .section-title h2 {
    font-size: 1.8rem;
  }

  .features-grid,
  .products-grid {
    grid-template-columns: 1fr;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .why-image {
    height: 350px;
  }

  .hero,
  .hero--fullbleed {
    min-height: 70vh;
  }

  .hero-overlay {
    padding: 100px 0 76px;
  }

  .hero-nav {
    display: none;
  }

  .product-detail-info h1 {
    font-size: 1.8rem;
  }

  .main-image {
    height: 300px;
  }

  .contact-form-wrap {
    padding: 30px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .cta-section h2 {
    font-size: 2rem;
  }

  .page-banner {
    padding: 120px 0 60px;
  }

  .page-banner h1 {
    font-size: 2.2rem;
  }

  .product-actions {
    flex-direction: column;
  }

  .product-actions .btn {
    justify-content: center;
  }

  .product-gallery {
    position: static;
  }

  .nav {
    position: relative;
  }
}