/* ============================================
   ELITE LUGGAGE MANUFACTURER - Custom Styles
   Design System: European/American High-End Luxury
   ============================================ */

/* --- CSS Variables --- */
:root {
  --primary: #0F172A;
  --primary-light: #1E293B;
  --accent: #C8A97E;
  --accent-hover: #B8956A;
  --tech: #3B82F6;
  --tech-hover: #2563EB;
  --neutral-800: #1E293B;
  --neutral-500: #64748B;
  --neutral-50: #F8FAFC;
  --white: #FFFFFF;
  --black: #0A0A0A;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 40px rgba(0,0,0,0.08);
  --shadow-xl: 0 20px 60px rgba(0,0,0,0.1);
  --transition: 240ms cubic-bezier(0.4, 0, 0.2, 1);
  --font-heading: 'Inter', system-ui, -apple-system, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
}

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

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

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--neutral-800);
  background: var(--white);
  overflow-x: hidden;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: -0.5px;
  line-height: 1.2;
  color: var(--primary);
}

h1 { font-size: clamp(2.5rem, 5vw, 3.5rem); }
h2 { font-size: clamp(2rem, 4vw, 2.75rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); }

p {
  color: var(--neutral-500);
  line-height: 1.6;
}

/* --- Container --- */
.container-custom {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1rem;
}

@media (min-width: 768px) {
  .container-custom {
    padding: 0 2rem;
  }
}

/* --- Section Spacing --- */
.section {
  padding: 3rem 0;
}

@media (min-width: 768px) {
  .section {
    padding: 5rem 0;
  }
}

/* --- Navigation --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(200, 169, 126, 0.1);
  transition: all var(--transition);
}

.navbar.scrolled {
  background: rgba(15, 23, 42, 0.98);
  box-shadow: 0 4px 30px rgba(0,0,0,0.15);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1rem;
}

@media (min-width: 768px) {
  .navbar-inner {
    padding: 0 2rem;
  }
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  z-index: 1001;
}

.nav-logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--accent), #D4B68A);
  border-radius: 3px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 16px;
  color: var(--primary);
  letter-spacing: -0.5px;
}

.nav-logo-text {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 18px;
  color: var(--white);
  letter-spacing: -0.3px;
  white-space: nowrap;
}

.nav-logo-text span {
  color: var(--accent);
  font-weight: 300;
}

.nav-links {
  display: none;
  list-style: none;
  gap: 2rem;
  align-items: center;
}

@media (min-width: 1024px) {
  .nav-links {
    display: flex;
  }
}

.nav-links a {
  text-decoration: none;
  color: rgba(255,255,255,0.75);
  font-size: 13.5px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: color var(--transition);
  position: relative;
  padding: 4px 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent);
  transition: width var(--transition);
}

.nav-links a:hover {
  color: var(--accent);
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-cta {
  display: none;
  background: var(--accent);
  color: var(--primary);
  border: none;
  padding: 10px 24px;
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}

@media (min-width: 1024px) {
  .nav-cta {
    display: inline-block;
  }
}

.nav-cta:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
}

/* Hamburger */
.hamburger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  z-index: 1001;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--white);
  transition: all var(--transition);
  transform-origin: center;
}

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

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

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(4px, -4px);
}

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--primary);
  z-index: 999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  opacity: 0;
  visibility: hidden;
  transition: all 300ms ease;
}

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

.mobile-menu a {
  text-decoration: none;
  color: var(--white);
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  transition: color var(--transition);
}

.mobile-menu a:hover {
  color: var(--accent);
}

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

.hero-bg-pattern {
  position: absolute;
  inset: 0;
  opacity: 0.04;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(200,169,126,0.3) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(59,130,246,0.2) 0%, transparent 50%);
}

.hero-grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 60px 60px;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1280px;
  margin: 0 auto;
  padding: 120px 1rem 80px;
}

@media (min-width: 768px) {
  .hero-content {
    padding: 0 2rem;
  }
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(200,169,126,0.12);
  border: 1px solid rgba(200,169,126,0.25);
  padding: 8px 18px;
  border-radius: 2px;
  margin-bottom: 2rem;
}

.hero-badge span {
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
}

.hero-badge p {
  font-family: var(--font-heading);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2.5px;
  color: var(--accent);
}

.hero-title {
  color: var(--white);
  max-width: 720px;
  margin-bottom: 1.5rem;
}

.hero-title em {
  font-style: normal;
  color: var(--accent);
}

.hero-desc {
  color: rgba(255,255,255,0.55);
  font-size: 17px;
  max-width: 560px;
  margin-bottom: 2.5rem;
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: var(--primary);
  border: none;
  padding: 14px 32px;
  font-family: var(--font-heading);
  font-size: 13.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition);
  position: relative;
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(200,169,126,0.3);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--white);
  border: 1px solid rgba(255,255,255,0.25);
  padding: 14px 32px;
  font-family: var(--font-heading);
  font-size: 13.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition);
}

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--tech);
  color: var(--white);
  border: none;
  padding: 12px 28px;
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition);
}

.btn-secondary:hover {
  background: var(--tech-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(59,130,246,0.3);
}

.hero-scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  z-index: 2;
}

.hero-scroll-indicator span {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: rgba(255,255,255,0.4);
}

.hero-scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; height: 30px; }
  50% { opacity: 1; height: 50px; }
}

/* --- Section Headers --- */
.section-header {
  text-align: center;
  margin-bottom: 3.5rem;
}

@media (min-width: 768px) {
  .section-header {
    margin-bottom: 4.5rem;
  }
}

.section-tag {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2.5px;
  color: var(--accent);
  margin-bottom: 1rem;
  position: relative;
  padding: 0 16px;
}

.section-tag::before,
.section-tag::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 30px;
  height: 1px;
  background: var(--accent);
  opacity: 0.4;
}

.section-tag::before { right: calc(100% + 8px); }
.section-tag::after { left: calc(100% + 8px); }

.section-title {
  margin-bottom: 1rem;
  color: var(--primary);
}

.section-subtitle {
  font-size: 16px;
  color: var(--neutral-500);
  max-width: 540px;
  margin: 0 auto;
  line-height: 1.7;
}

/* --- About Section --- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}

@media (min-width: 768px) {
  .about-grid {
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
  }
}

.about-image-wrapper {
  position: relative;
  border-radius: 4px;
  overflow: hidden;
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, var(--neutral-800), var(--primary));
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-image-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #1a2744 0%, #0F172A 100%);
  position: relative;
}

.about-image-placeholder::before {
  content: '';
  position: absolute;
  inset: 20px;
  border: 1px solid rgba(200,169,126,0.2);
  border-radius: 2px;
}

.about-image-icon {
  font-size: 80px;
  opacity: 0.6;
  color: var(--accent);
}

.about-image-badge {
  position: absolute;
  bottom: 24px;
  right: -12px;
  background: var(--accent);
  color: var(--primary);
  padding: 12px 20px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.5px;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-top: 2rem;
}

.about-stat {
  padding: 1.25rem 1rem;
  border: 1px solid rgba(200,169,126,0.15);
  text-align: center;
  transition: all var(--transition);
}

.about-stat:hover {
  border-color: var(--accent);
  background: rgba(200,169,126,0.03);
}

.about-stat-number {
  font-family: var(--font-heading);
  font-size: 28px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: -0.5px;
}

.about-stat-number span {
  color: var(--accent);
}

.about-stat-label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--neutral-500);
  margin-top: 4px;
}

/* --- Products Section --- */
.products-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 640px) {
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .products-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
  }
}

.product-card {
  position: relative;
  background: var(--white);
  border: 1px solid rgba(0,0,0,0.06);
  border-radius: 2px;
  overflow: hidden;
  transition: all var(--transition);
  cursor: pointer;
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(200,169,126,0.3);
}

.product-card-image {
  position: relative;
  aspect-ratio: 4/3;
  background: var(--neutral-50);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.product-card-image .product-icon {
  font-size: 60px;
  opacity: 0.3;
  transition: all var(--transition);
  color: var(--primary);
}

.product-card:hover .product-card-image .product-icon {
  opacity: 0.15;
  transform: scale(1.1);
}

.product-card-overlay {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.03);
  transition: all var(--transition);
}

.product-card:hover .product-card-overlay {
  background: rgba(15, 23, 42, 0);
}

.product-card-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--accent);
  color: var(--primary);
  padding: 4px 10px;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.product-card-body {
  padding: 1.25rem;
}

.product-card-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 6px;
  letter-spacing: -0.3px;
}

.product-card-desc {
  font-size: 13.5px;
  color: var(--neutral-500);
  line-height: 1.5;
  margin-bottom: 1rem;
}

.product-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--primary);
  text-decoration: none;
  transition: color var(--transition);
}

.product-card-link:hover {
  color: var(--accent);
}

.product-card-link svg {
  transition: transform var(--transition);
}

.product-card-link:hover svg {
  transform: translateX(4px);
}

/* --- Factory Section --- */
.factory-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 640px) {
  .factory-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .factory-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.factory-card {
  background: var(--white);
  border: 1px solid rgba(0,0,0,0.06);
  border-radius: 2px;
  padding: 2rem 1.5rem;
  text-align: center;
  transition: all var(--transition);
  position: relative;
}

.factory-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(200,169,126,0.2);
}

.factory-card-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(200,169,126,0.08);
  border-radius: 2px;
  font-size: 24px;
  color: var(--accent);
  transition: all var(--transition);
}

.factory-card:hover .factory-card-icon {
  background: var(--accent);
  color: var(--primary);
}

.factory-card h4 {
  font-size: 17px;
  margin-bottom: 8px;
}

.factory-card p {
  font-size: 14px;
  color: var(--neutral-500);
  line-height: 1.5;
}

/* --- Equipment Section --- */
.equipment-showcase {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .equipment-showcase {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .equipment-showcase {
    grid-template-columns: repeat(3, 1fr);
  }
}

.equipment-card {
  background: var(--white);
  border: 1px solid rgba(0,0,0,0.06);
  border-radius: 2px;
  overflow: hidden;
  transition: all var(--transition);
}

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

.equipment-card-image {
  aspect-ratio: 16/10;
  background: linear-gradient(135deg, #1E293B, #0F172A);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 48px;
  color: rgba(200,169,126,0.4);
  position: relative;
  overflow: hidden;
}

.equipment-card-image::after {
  content: '';
  position: absolute;
  inset: 0;
  border: 1px solid rgba(200,169,126,0.1);
  margin: 10px;
}

.equipment-card-body {
  padding: 1.25rem;
}

.equipment-card-body h4 {
  font-size: 16px;
  margin-bottom: 4px;
}

.equipment-card-body p {
  font-size: 13px;
  color: var(--neutral-500);
}

/* --- Certificates Section --- */
.certs-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

@media (min-width: 640px) {
  .certs-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) {
  .certs-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.cert-card {
  background: var(--white);
  border: 1px solid rgba(0,0,0,0.06);
  border-radius: 2px;
  padding: 2rem 1rem;
  text-align: center;
  transition: all var(--transition);
}

.cert-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(200,169,126,0.25);
}

.cert-card-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  border: 1px solid rgba(200,169,126,0.2);
  border-radius: 2px;
  color: var(--accent);
  transition: all var(--transition);
}

.cert-card:hover .cert-card-icon {
  background: rgba(200,169,126,0.08);
}

.cert-card h4 {
  font-size: 14px;
  margin-bottom: 4px;
}

.cert-card p {
  font-size: 12px;
  color: var(--neutral-500);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* --- Customer Cases --- */
.cases-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

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

@media (min-width: 1024px) {
  .cases-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.case-card {
  background: var(--white);
  border: 1px solid rgba(0,0,0,0.06);
  border-radius: 2px;
  overflow: hidden;
  transition: all var(--transition);
}

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

.case-card-image {
  aspect-ratio: 16/10;
  background: linear-gradient(135deg, #F8FAFC, #E2E8F0);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 50px;
  opacity: 0.5;
  position: relative;
}

.case-card-image::after {
  content: '';
  position: absolute;
  inset: 12px;
  border: 1px solid rgba(0,0,0,0.08);
}

.case-card-body {
  padding: 1.25rem;
}

.case-card-body h4 {
  font-size: 16px;
  margin-bottom: 6px;
}

.case-card-body p {
  font-size: 13.5px;
  color: var(--neutral-500);
  line-height: 1.5;
}

.case-card-meta {
  display: flex;
  gap: 1rem;
  margin-top: 0.75rem;
  font-size: 11px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* --- Inquiry Section --- */
.inquiry-wrapper {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
}

@media (min-width: 768px) {
  .inquiry-wrapper {
    grid-template-columns: 1fr 1.2fr;
    gap: 4rem;
  }
}

.inquiry-info h3 {
  font-size: 28px;
  margin-bottom: 1rem;
}

.inquiry-info p {
  margin-bottom: 2rem;
}

.inquiry-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid rgba(0,0,0,0.04);
}

.inquiry-contact-icon {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(200,169,126,0.08);
  border-radius: 2px;
  font-size: 18px;
  color: var(--accent);
}

.inquiry-contact-text h4 {
  font-size: 14px;
  margin-bottom: 2px;
}

.inquiry-contact-text p {
  font-size: 14px;
  color: var(--neutral-500);
  margin-bottom: 0;
}

.inquiry-form {
  background: var(--white);
  border: 1px solid rgba(0,0,0,0.06);
  border-radius: 2px;
  padding: 2rem;
}

@media (min-width: 768px) {
  .inquiry-form {
    padding: 2.5rem;
  }
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--primary);
  margin-bottom: 6px;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 12px 14px;
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--primary);
  background: var(--neutral-50);
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: 2px;
  transition: all var(--transition);
  outline: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--accent);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(200,169,126,0.06);
}

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

.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

@media (min-width: 640px) {
  .form-row {
    grid-template-columns: 1fr 1fr;
  }
}

.form-submit {
  width: 100%;
  background: var(--accent);
  color: var(--primary);
  border: none;
  padding: 14px 32px;
  font-family: var(--font-heading);
  font-size: 13.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  cursor: pointer;
  transition: all var(--transition);
  border-radius: 2px;
}

.form-submit:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(200,169,126,0.3);
}

/* --- Contact Section --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 640px) {
  .contact-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .contact-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.contact-card {
  background: var(--white);
  border: 1px solid rgba(0,0,0,0.06);
  border-radius: 2px;
  padding: 2rem;
  text-align: center;
  transition: all var(--transition);
}

.contact-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(200,169,126,0.2);
}

.contact-card-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary);
  border-radius: 2px;
  font-size: 20px;
  color: var(--accent);
}

.contact-card h4 {
  font-size: 16px;
  margin-bottom: 8px;
}

.contact-card p {
  font-size: 14px;
  color: var(--neutral-500);
  line-height: 1.5;
}

/* --- Footer --- */
.footer {
  background: var(--primary);
  color: rgba(255,255,255,0.6);
  padding: 4rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  margin-bottom: 3rem;
}

@media (min-width: 640px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
  }
}

.footer-brand p {
  color: rgba(255,255,255,0.5);
  font-size: 14px;
  margin-top: 1rem;
  line-height: 1.6;
}

.footer-col h4 {
  color: var(--white);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 1.25rem;
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 0.6rem;
}

.footer-col ul li a {
  color: rgba(255,255,255,0.5);
  text-decoration: none;
  font-size: 14px;
  transition: color var(--transition);
}

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

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  align-items: center;
  text-align: center;
  font-size: 13px;
  color: rgba(255,255,255,0.4);
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
  }
}

/* --- Floating Customer Service --- */
.floating-cs {
  position: fixed;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 900;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

@media (min-width: 768px) {
  .floating-cs {
    right: 24px;
  }
}

.floating-cs-item {
  position: relative;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary);
  border: 1px solid rgba(200,169,126,0.15);
  cursor: pointer;
  transition: all var(--transition);
  font-size: 18px;
  color: var(--accent);
}

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

.floating-cs-item.wechat:hover .wechat-qr {
  opacity: 1;
  visibility: visible;
  transform: translateX(-8px);
}

.wechat-qr {
  position: absolute;
  right: calc(100% + 20px);
  top: 50%;
  transform: translateY(-50%) translateX(0);
  width: 160px;
  height: 200px;
  background: var(--white);
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: 2px;
  box-shadow: var(--shadow-xl);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  opacity: 0;
  visibility: hidden;
  transition: all 280ms ease;
  pointer-events: none;
  padding: 16px;
}

.wechat-qr-icon {
  width: 100px;
  height: 100px;
  background: rgba(200,169,126,0.08);
  border: 1px solid rgba(200,169,126,0.2);
  border-radius: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 40px;
  color: var(--accent);
}

.wechat-qr p {
  font-size: 11px;
  color: var(--neutral-500);
  text-align: center;
  line-height: 1.4;
}

/* --- Scroll Animations --- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 600ms ease, transform 600ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

.reveal-delay-1 { transition-delay: 100ms; }
.reveal-delay-2 { transition-delay: 200ms; }
.reveal-delay-3 { transition-delay: 300ms; }
.reveal-delay-4 { transition-delay: 400ms; }

/* --- Loading Screen --- */
.loader {
  position: fixed;
  inset: 0;
  background: var(--primary);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 400ms ease, visibility 400ms ease;
}

.loader.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader-logo {
  font-family: var(--font-heading);
  font-size: 32px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.5px;
}

.loader-logo span {
  color: var(--accent);
}

.loader-bar {
  position: absolute;
  bottom: 40%;
  width: 60px;
  height: 1px;
  background: var(--accent);
  animation: loaderBar 1.2s ease-in-out infinite;
}

@keyframes loaderBar {
  0% { width: 0; opacity: 0; }
  50% { width: 60px; opacity: 1; }
  100% { width: 0; opacity: 0; }
}

/* --- Divider --- */
.divider {
  width: 60px;
  height: 1px;
  background: var(--accent);
  margin: 0 auto;
  opacity: 0.5;
}

/* --- Back to Top --- */
.back-to-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 40px;
  height: 40px;
  background: var(--primary);
  border: 1px solid rgba(200,169,126,0.2);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 899;
  font-size: 16px;
  transition: all var(--transition);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
}

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

.back-to-top:hover {
  background: var(--accent);
  color: var(--primary);
  border-color: var(--accent);
}

/* --- Trust Bar --- */
.trust-bar {
  background: var(--neutral-50);
  border-bottom: 1px solid rgba(0,0,0,0.04);
  padding: 1.25rem 0;
  overflow: hidden;
}

.trust-bar-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 3rem;
  flex-wrap: wrap;
}

.trust-bar-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 500;
  color: var(--neutral-800);
  white-space: nowrap;
}

.trust-bar-icon {
  color: var(--accent);
  font-size: 16px;
}

/* --- Page Banner (for inner pages concept) --- */
.page-banner {
  position: relative;
  min-height: 50vh;
  display: flex;
  align-items: center;
  background: var(--primary);
  overflow: hidden;
}

.page-banner .hero-bg-pattern {
  opacity: 0.05;
}

.page-banner-content {
  position: relative;
  z-index: 2;
  max-width: 1280px;
  margin: 0 auto;
  padding: 100px 1rem 60px;
  text-align: center;
}

.page-banner-content h1 {
  color: var(--white);
  margin-bottom: 0.75rem;
}

.page-banner-content p {
  color: rgba(255,255,255,0.5);
  max-width: 500px;
  margin: 0 auto;
}

/* --- Breadcrumb --- */
.breadcrumb {
  display: flex;
  gap: 8px;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.breadcrumb a {
  color: rgba(255,255,255,0.5);
  text-decoration: none;
  transition: color var(--transition);
}

.breadcrumb a:hover { color: var(--accent); }
.breadcrumb span { color: var(--accent); }
.breadcrumb-sep { color: rgba(255,255,255,0.2); }

/* --- Selection --- */
::selection {
  background: rgba(200,169,126,0.25);
  color: var(--primary);
}

/* --- Scrollbar --- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--neutral-50); }
::-webkit-scrollbar-thumb { background: var(--neutral-500); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary); }

/* --- Partners Marquee --- */
.partners-marquee {
  overflow: hidden;
  padding: 2rem 0;
  position: relative;
}

.partners-track {
  display: flex;
  gap: 3rem;
  animation: marquee 30s linear infinite;
}

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.partner-item {
  flex-shrink: 0;
  width: 120px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 600;
  color: var(--neutral-500);
  opacity: 0.4;
  filter: grayscale(1);
  transition: all var(--transition);
}

/* --- OEM/ODM Banner --- */
.oem-banner {
  background: linear-gradient(135deg, var(--primary), #1a2744);
  padding: 3rem 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

@media (min-width: 768px) {
  .oem-banner {
    padding: 5rem 0;
  }
}

.oem-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 30% 50%, rgba(200,169,126,0.08) 0%, transparent 50%),
    radial-gradient(circle at 70% 50%, rgba(59,130,246,0.05) 0%, transparent 50%);
}

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

.oem-banner h2 {
  color: var(--white);
  margin-bottom: 1rem;
}

.oem-banner p {
  color: rgba(255,255,255,0.55);
  max-width: 600px;
  margin: 0 auto 2rem;
}