/* ========================================
   TOP BEARING MANUFACTURER - Industrial Style
   ======================================== */

/* --- CSS Variables --- */
:root {
  --primary: #0F172A;
  --accent-gold: #B8860B;
  --accent-blue: #2563EB;
  --dark-bg: #1E293B;
  --text-muted: #64748B;
  --light-bg: #F8FAFC;
  --white: #FFFFFF;
  --transition-fast: 200ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 280ms ease;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.12);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.15);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.18);
  --border-radius: 0px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--dark-bg);
  background-color: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-weight: 700;
  letter-spacing: -0.5px;
  line-height: 1.2;
}

.section-title {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  letter-spacing: -0.5px;
  color: var(--primary);
  margin-bottom: 12px;
}

.section-subtitle {
  font-size: 16px;
  color: var(--text-muted);
  font-weight: 400;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 48px;
}

.section-divider {
  width: 60px;
  height: 3px;
  background: var(--accent-gold);
  margin: 0 auto 20px;
}

/* --- Navigation --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(184, 134, 11, 0.2);
  transition: all var(--transition-normal);
  padding: 0;
}

.navbar.scrolled {
  background: rgba(15, 23, 42, 0.98);
  box-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

.nav-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--white);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.5px;
  white-space: nowrap;
}

.nav-logo-icon {
  width: 42px;
  height: 42px;
  background: var(--accent-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.nav-logo-icon svg {
  width: 24px;
  height: 24px;
  color: var(--primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}

.nav-links a {
  display: block;
  padding: 10px 16px;
  color: rgba(255,255,255,0.75);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.3px;
  transition: color var(--transition-fast);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 16px;
  right: 16px;
  height: 2px;
  background: var(--accent-gold);
  transform: scaleX(0);
  transition: transform var(--transition-fast);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--white);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  transform: scaleX(1);
}

.nav-cta {
  display: inline-block;
  padding: 10px 22px;
  background: var(--accent-gold);
  color: var(--primary) !important;
  font-weight: 600 !important;
  font-size: 13px !important;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  transition: background var(--transition-fast);
  margin-left: 12px;
}

.nav-cta::after {
  display: none !important;
}

.nav-cta:hover {
  background: #D4A017;
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  background: none;
  border: none;
}

.nav-toggle span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--white);
  transition: all var(--transition-fast);
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* --- Hero Section --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 1;
  opacity: 0.35;
  background:
    radial-gradient(ellipse at 30% 50%, rgba(37, 99, 235, 0.3) 0%, transparent 50%),
    radial-gradient(ellipse at 70% 50%, rgba(184, 134, 11, 0.2) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 80%, rgba(15, 23, 42, 0.6) 0%, transparent 50%);
}

.hero-bg-pattern {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}

.hero-gear {
  position: absolute;
  z-index: 1;
  opacity: 0.04;
  pointer-events: none;
}

.hero-gear.left {
  left: -120px;
  top: 50%;
  transform: translateY(-50%);
  width: 500px;
  height: 500px;
}

.hero-gear.right {
  right: -80px;
  bottom: -60px;
  width: 350px;
  height: 350px;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
  padding: 120px 32px 80px;
}

.hero-badge {
  display: inline-block;
  padding: 6px 18px;
  border: 1px solid var(--accent-gold);
  color: var(--accent-gold);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 28px;
}

.hero-title {
  font-size: clamp(36px, 6vw, 64px);
  font-weight: 700;
  color: var(--white);
  letter-spacing: -1px;
  line-height: 1.1;
  margin-bottom: 24px;
}

.hero-title span {
  color: var(--accent-gold);
}

.hero-desc {
  font-size: 18px;
  color: rgba(255,255,255,0.65);
  max-width: 640px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  border: none;
  border-radius: var(--border-radius);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

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

.btn-primary:hover {
  background: #D4A017;
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.3);
}

.btn-outline:hover {
  border-color: var(--white);
  background: rgba(255,255,255,0.05);
}

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

.btn-blue:hover {
  background: #1D4ED8;
}

.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.4);
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  animation: bounceDown 2s ease-in-out infinite;
}

.hero-scroll-line {
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,0.2);
}

@keyframes bounceDown {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* --- About Section --- */
.about {
  padding: 100px 0;
  background: var(--white);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px;
}

.about-image-wrapper {
  position: relative;
}

.about-image {
  width: 100%;
  aspect-ratio: 4/3;
  background: var(--dark-bg);
  position: relative;
  overflow: hidden;
}

.about-image-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #1E293B 0%, #0F172A 100%);
  color: rgba(255,255,255,0.15);
}

.about-image-placeholder svg {
  width: 120px;
  height: 120px;
}

.about-image-accent {
  position: absolute;
  bottom: -20px;
  right: -20px;
  width: 100%;
  height: 100%;
  border: 2px solid var(--accent-gold);
  z-index: -1;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 36px;
  padding-top: 36px;
  border-top: 1px solid rgba(0,0,0,0.08);
}

.about-stat-number {
  font-size: 32px;
  font-weight: 700;
  color: var(--accent-gold);
  letter-spacing: -1px;
}

.about-stat-label {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* --- Products Section --- */
.products {
  padding: 100px 0;
  background: var(--light-bg);
  position: relative;
}

.products-header {
  text-align: center;
  max-width: 1280px;
  margin: 0 auto 60px;
  padding: 0 32px;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px;
}

.product-card {
  background: var(--white);
  border: 1px solid rgba(0,0,0,0.06);
  overflow: hidden;
  transition: all var(--transition-normal);
  cursor: pointer;
  position: relative;
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent-gold);
}

.product-card-image {
  width: 100%;
  aspect-ratio: 4/3;
  background: var(--dark-bg);
  position: relative;
  overflow: hidden;
}

.product-card-image .img-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #1E293B 0%, #0F172A 100%);
  color: rgba(255,255,255,0.12);
  transition: transform var(--transition-slow);
}

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

.product-card-image .img-placeholder svg {
  width: 64px;
  height: 64px;
}

.product-card-tag {
  position: absolute;
  top: 16px;
  left: 16px;
  padding: 4px 12px;
  background: var(--accent-gold);
  color: var(--primary);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.product-card-body {
  padding: 24px;
}

.product-card-body h3 {
  font-size: 20px;
  color: var(--primary);
  margin-bottom: 8px;
}

.product-card-body p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
}

.product-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent-blue);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: gap var(--transition-fast);
}

.product-card-link:hover {
  gap: 10px;
}

/* --- Factory Section --- */
.factory {
  padding: 100px 0;
  background: var(--primary);
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.factory::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 80%, rgba(37, 99, 235, 0.1) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(184, 134, 11, 0.08) 0%, transparent 50%);
  pointer-events: none;
}

.factory-header {
  text-align: center;
  max-width: 1280px;
  margin: 0 auto 60px;
  padding: 0 32px;
  position: relative;
  z-index: 1;
}

.factory-header .section-title {
  color: var(--white);
}

.factory-header .section-subtitle {
  color: rgba(255,255,255,0.5);
}

.factory-header .section-divider {
  margin-left: auto;
  margin-right: auto;
}

.factory-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px;
  position: relative;
  z-index: 1;
}

.factory-card {
  text-align: center;
  padding: 40px 24px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.08);
  transition: all var(--transition-normal);
}

.factory-card:hover {
  background: rgba(255,255,255,0.06);
  border-color: var(--accent-gold);
  transform: translateY(-2px);
}

.factory-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(184, 134, 11, 0.1);
  border: 1px solid rgba(184, 134, 11, 0.3);
}

.factory-icon svg {
  width: 28px;
  height: 28px;
  color: var(--accent-gold);
}

.factory-card h3 {
  font-size: 18px;
  margin-bottom: 10px;
  color: var(--white);
}

.factory-card p {
  font-size: 14px;
  color: rgba(255,255,255,0.5);
  line-height: 1.6;
}

/* Factory Image Row */
.factory-showcase {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  max-width: 1280px;
  margin: 60px auto 0;
  padding: 0 32px;
  position: relative;
  z-index: 1;
}

.factory-showcase-item {
  aspect-ratio: 16/9;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

.factory-showcase-item .img-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(30,41,59,0.8) 0%, rgba(15,23,42,0.8) 100%);
  color: rgba(255,255,255,0.1);
  transition: transform var(--transition-slow);
}

.factory-showcase-item:hover .img-placeholder {
  transform: scale(1.05);
}

.factory-showcase-item .img-placeholder svg {
  width: 48px;
  height: 48px;
}

.factory-showcase-label {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 14px 20px;
  background: linear-gradient(transparent, rgba(0,0,0,0.7));
  color: var(--white);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.5px;
}

/* --- Certificates Section --- */
.certificates {
  padding: 100px 0;
  background: var(--white);
}

.certificates-header {
  text-align: center;
  max-width: 1280px;
  margin: 0 auto 60px;
  padding: 0 32px;
}

.certificates-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px;
}

.cert-card {
  padding: 36px 24px;
  text-align: center;
  border: 1px solid rgba(0,0,0,0.08);
  background: var(--white);
  transition: all var(--transition-normal);
}

.cert-card:hover {
  border-color: var(--accent-gold);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.cert-badge {
  width: 72px;
  height: 72px;
  margin: 0 auto 20px;
  background: linear-gradient(135deg, var(--accent-gold), #D4A017);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
}

.cert-badge svg {
  width: 32px;
  height: 32px;
  color: var(--primary);
}

.cert-card h3 {
  font-size: 16px;
  color: var(--primary);
  margin-bottom: 6px;
}

.cert-card p {
  font-size: 13px;
  color: var(--text-muted);
}

/* --- Cases Section --- */
.cases {
  padding: 100px 0;
  background: var(--light-bg);
}

.cases-header {
  text-align: center;
  max-width: 1280px;
  margin: 0 auto 60px;
  padding: 0 32px;
}

.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px;
}

.case-card {
  background: var(--white);
  border: 1px solid rgba(0,0,0,0.06);
  overflow: hidden;
  transition: all var(--transition-normal);
}

.case-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.case-card-image {
  width: 100%;
  aspect-ratio: 16/10;
  background: var(--dark-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.case-card-image .img-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #1E293B 0%, #0F172A 100%);
  color: rgba(255,255,255,0.1);
  transition: transform var(--transition-slow);
}

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

.case-card-image .img-placeholder svg {
  width: 48px;
  height: 48px;
}

.case-card-body {
  padding: 24px;
}

.case-card-region {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  color: var(--accent-blue);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.case-card-body h3 {
  font-size: 18px;
  color: var(--primary);
  margin-bottom: 8px;
}

.case-card-body p {
  font-size: 14px;
  color: var(--text-muted);
}

.case-card-stats {
  display: flex;
  gap: 24px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid rgba(0,0,0,0.06);
}

.case-stat {
  text-align: left;
}

.case-stat-number {
  font-size: 20px;
  font-weight: 700;
  color: var(--accent-gold);
}

.case-stat-label {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* --- Inquiry Section --- */
.inquiry {
  padding: 100px 0;
  background: var(--primary);
  color: var(--white);
  position: relative;
}

.inquiry::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 30% 50%, rgba(37, 99, 235, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 70% 50%, rgba(184, 134, 11, 0.06) 0%, transparent 50%);
  pointer-events: none;
}

.inquiry-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 80px;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px;
  position: relative;
  z-index: 1;
}

.inquiry-info .section-title {
  color: var(--white);
}

.inquiry-info .section-subtitle {
  color: rgba(255,255,255,0.5);
}

.inquiry-features {
  list-style: none;
  margin-top: 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.inquiry-features li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 15px;
  color: rgba(255,255,255,0.75);
  line-height: 1.5;
}

.inquiry-features li svg {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  color: var(--accent-gold);
  margin-top: 2px;
}

.inquiry-form-wrapper {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.08);
  padding: 40px;
}

.inquiry-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.inquiry-form .full-width {
  grid-column: 1 / -1;
}

.inquiry-form input,
.inquiry-form select,
.inquiry-form textarea {
  width: 100%;
  padding: 14px 16px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.12);
  color: var(--white);
  font-size: 14px;
  font-family: 'Inter', sans-serif;
  border-radius: var(--border-radius);
  transition: border-color var(--transition-fast);
  outline: none;
}

.inquiry-form input:focus,
.inquiry-form select:focus,
.inquiry-form textarea:focus {
  border-color: var(--accent-gold);
}

.inquiry-form input::placeholder,
.inquiry-form textarea::placeholder {
  color: rgba(255,255,255,0.35);
}

.inquiry-form select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='rgba(255,255,255,0.4)' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 40px;
  cursor: pointer;
}

.inquiry-form select option {
  background: var(--dark-bg);
  color: var(--white);
}

.inquiry-form textarea {
  resize: vertical;
  min-height: 120px;
}

.inquiry-form .btn {
  grid-column: 1 / -1;
  justify-content: center;
  padding: 16px 32px;
  font-size: 15px;
}

/* --- Contact Section --- */
.contact {
  padding: 100px 0;
  background: var(--white);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px;
}

.contact-info-cards {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 24px;
  background: var(--light-bg);
  border: 1px solid rgba(0,0,0,0.05);
  transition: all var(--transition-fast);
}

.contact-card:hover {
  border-color: var(--accent-gold);
  background: var(--white);
  box-shadow: var(--shadow-sm);
}

.contact-icon {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  background: rgba(184, 134, 11, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-icon svg {
  width: 20px;
  height: 20px;
  color: var(--accent-gold);
}

.contact-card-text h4 {
  font-size: 15px;
  color: var(--primary);
  margin-bottom: 4px;
}

.contact-card-text p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.5;
}

.contact-map {
  width: 100%;
  aspect-ratio: 16/9;
  background: var(--dark-bg);
  border: 1px solid rgba(0,0,0,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.contact-map .img-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  background: linear-gradient(135deg, #1E293B 0%, #0F172A 100%);
  color: rgba(255,255,255,0.25);
}

.contact-map .img-placeholder svg {
  width: 56px;
  height: 56px;
}

.contact-map .img-placeholder span {
  font-size: 13px;
  letter-spacing: 1px;
  text-transform: uppercase;
}

/* --- Footer --- */
.footer {
  background: var(--primary);
  color: rgba(255,255,255,0.55);
  padding: 60px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-brand h3 {
  font-size: 20px;
  color: var(--white);
  margin-bottom: 12px;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 20px;
}

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

.footer-social a {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.06);
  color: rgba(255,255,255,0.5);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.footer-social a:hover {
  background: var(--accent-gold);
  color: var(--primary);
}

.footer-col h4 {
  font-size: 14px;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 20px;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col ul a {
  color: rgba(255,255,255,0.45);
  text-decoration: none;
  font-size: 14px;
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  text-align: center;
  padding: 24px 32px;
  font-size: 13px;
  color: rgba(255,255,255,0.3);
}

/* --- Floating Customer Service --- */
.floating-cs {
  position: fixed;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.floating-cs-item {
  width: 50px;
  height: 50px;
  background: var(--primary);
  border: 1px solid rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  position: relative;
  transition: all var(--transition-fast);
  color: rgba(255,255,255,0.7);
}

.floating-cs-item:hover {
  background: var(--accent-gold);
  color: var(--primary);
  border-color: var(--accent-gold);
}

.floating-cs-item svg {
  width: 22px;
  height: 22px;
}

.floating-cs-tooltip {
  position: absolute;
  right: 60px;
  top: 50%;
  transform: translateY(-50%);
  background: var(--primary);
  border: 1px solid rgba(255,255,255,0.1);
  padding: 12px 16px;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-lg);
}

.floating-cs-item:hover .floating-cs-tooltip {
  opacity: 1;
}

.floating-cs-tooltip.phone {
  color: var(--white);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.floating-cs-tooltip.email {
  color: var(--white);
  font-size: 13px;
}

.floating-cs-tooltip.wechat {
  padding: 8px;
}

.floating-cs-tooltip .qr-placeholder {
  width: 120px;
  height: 120px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.floating-cs-tooltip .qr-placeholder svg {
  width: 48px;
  height: 48px;
  color: rgba(255,255,255,0.3);
}

.floating-cs-tooltip .qr-placeholder span {
  font-size: 10px;
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.5px;
}

/* --- Scroll to Top --- */
.scroll-top {
  position: fixed;
  right: 20px;
  bottom: 80px;
  z-index: 999;
  width: 44px;
  height: 44px;
  background: var(--accent-gold);
  color: var(--primary);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-md);
}

.scroll-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.scroll-top:hover {
  background: #D4A017;
}

.scroll-top svg {
  width: 20px;
  height: 20px;
}

/* --- Scroll Reveal --- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Mobile Nav Overlay --- */
.mobile-nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.98);
  z-index: 998;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.mobile-nav-overlay.active {
  opacity: 1;
  visibility: visible;
}

.mobile-nav-overlay a {
  color: rgba(255,255,255,0.7);
  text-decoration: none;
  font-size: 20px;
  font-weight: 600;
  padding: 12px 24px;
  transition: color var(--transition-fast);
}

.mobile-nav-overlay a:hover {
  color: var(--accent-gold);
}

/* --- Counter Animation --- */
.counter {
  display: inline-block;
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .factory-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .certificates-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .cases-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .inquiry-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .about-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .factory-showcase {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  .nav-toggle {
    display: flex;
  }
  .products-grid {
    grid-template-columns: 1fr;
  }
  .factory-grid {
    grid-template-columns: 1fr;
  }
  .certificates-grid {
    grid-template-columns: 1fr;
  }
  .cases-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .about-stats {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }
  .about-stat-number {
    font-size: 24px;
  }
  .hero-title {
    font-size: 32px;
  }
  .inquiry-form {
    grid-template-columns: 1fr;
  }
  .section-title {
    font-size: 28px;
  }
  .floating-cs {
    right: 12px;
  }
  .floating-cs-item {
    width: 42px;
    height: 42px;
  }
  .floating-cs-item svg {
    width: 18px;
    height: 18px;
  }
  .factory-showcase {
    grid-template-columns: 1fr;
  }
  .nav-container {
    padding: 0 16px;
  }
  .hero-content {
    padding: 100px 16px 60px;
  }
  .about,
  .products,
  .factory,
  .certificates,
  .cases,
  .inquiry,
  .contact {
    padding: 60px 0;
  }
  section > .max-w-7xl,
  .about-grid,
  .products-grid,
  .factory-grid,
  .certificates-grid,
  .cases-grid,
  .inquiry-grid,
  .contact-grid,
  .footer-grid,
  .factory-showcase {
    padding-left: 16px;
    padding-right: 16px;
  }
}