/* ===== CSS Variables ===== */
:root {
  --color-primary-dark: #0a1628;
  --color-primary: #1e3a5f;
  --color-primary-light: #2d5483;
  --color-accent: #f59e0b;
  --color-accent-light: #fbbf24;
  --color-accent-dark: #d97706;
  --color-bg: #ffffff;
  --color-bg-light: #f8fafc;
  --color-bg-gray: #f1f5f9;
  --color-text: #1e293b;
  --color-text-light: #64748b;
  --color-text-white: #ffffff;
  --color-border: #e2e8f0;
  --color-success: #10b981;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow: 0 4px 6px -1px rgba(0,0,0,0.08), 0 2px 4px -1px rgba(0,0,0,0.04);
  --shadow-lg: 0 10px 30px -5px rgba(0,0,0,0.12), 0 4px 12px -4px rgba(0,0,0,0.06);
  --shadow-xl: 0 25px 50px -12px rgba(0,0,0,0.15);
  --radius: 8px;
  --radius-lg: 16px;
  --container: 1200px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --transition: all 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Top Bar ===== */
.topbar {
  background: var(--color-primary-dark);
  color: rgba(255,255,255,0.8);
  font-size: 0.8rem;
  padding: 8px 0;
}

.topbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.topbar-info {
  display: flex;
  gap: 24px;
  align-items: center;
}

.topbar-info span {
  display: flex;
  align-items: center;
  gap: 6px;
}

.topbar-info svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

.topbar-lang {
  display: flex;
  gap: 12px;
  align-items: center;
}

.topbar-lang a {
  cursor: pointer;
  transition: var(--transition);
}

.topbar-lang a:hover {
  color: var(--color-accent);
}

.topbar-lang a.active {
  color: var(--color-accent);
  font-weight: 600;
}

/* ===== Header / Nav ===== */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  transition: var(--transition);
}

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

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--color-primary-dark);
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.logo-icon svg {
  width: 24px;
  height: 24px;
  color: white;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.logo-text .brand {
  font-size: 1.2rem;
}

.logo-text .tagline {
  font-size: 0.65rem;
  color: var(--color-text-light);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.nav-menu {
  display: flex;
  gap: 32px;
  align-items: center;
}

.nav-menu a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text);
  transition: var(--transition);
  position: relative;
}

.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: var(--transition);
}

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

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

.nav-cta {
  display: flex;
  gap: 12px;
  align-items: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 24px;
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  white-space: nowrap;
}

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

.btn-primary:hover {
  background: var(--color-accent-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.4);
}

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

.btn-outline:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

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

.btn-white:hover {
  background: var(--color-bg-light);
  transform: translateY(-1px);
}

.btn-whatsapp {
  background: #25d366;
  color: white;
}

.btn-whatsapp:hover {
  background: #1ebe57;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
}

.btn-lg {
  padding: 14px 32px;
  font-size: 1rem;
}

.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.mobile-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-primary-dark);
  border-radius: 2px;
  transition: var(--transition);
}

/* ===== Hero ===== */
.hero {
  position: relative;
  background: linear-gradient(135deg, #0a1628 0%, #1e3a5f 50%, #2d5483 100%);
  color: white;
  overflow: hidden;
  padding: 80px 0 100px;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(245,158,11,0.15) 0%, transparent 70%);
  border-radius: 50%;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -5%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(45,84,131,0.3) 0%, transparent 70%);
  border-radius: 50%;
}

.hero .container {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-content {
  max-width: 560px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(245, 158, 11, 0.15);
  border: 1px solid rgba(245, 158, 11, 0.3);
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-accent-light);
  margin-bottom: 24px;
}

.hero-badge svg {
  width: 16px;
  height: 16px;
}

.hero h1 {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}

.hero h1 .highlight {
  color: var(--color-accent);
}

.hero p {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.8);
  margin-bottom: 32px;
  line-height: 1.7;
}

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

.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.1);
}

.hero-stat .number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-accent);
}

.hero-stat .label {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.6);
}

.hero-visual {
  position: relative;
}

.hero-card {
  background: rgba(255,255,255,0.08);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-xl);
}

.hero-card-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 20px;
  color: white;
  display: flex;
  align-items: center;
  gap: 8px;
}

.hero-card-title svg {
  width: 20px;
  height: 20px;
  color: var(--color-accent);
}

.hero-card-list {
  display: grid;
  gap: 12px;
}

.hero-card-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: rgba(255,255,255,0.85);
}

.hero-card-item svg {
  width: 18px;
  height: 18px;
  color: var(--color-success);
  flex-shrink: 0;
}

/* ===== Trust Bar ===== */
.trust-bar {
  background: var(--color-bg-light);
  border-bottom: 1px solid var(--color-border);
  padding: 32px 0;
}

.trust-bar .container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}

.trust-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.trust-item .icon {
  width: 48px;
  height: 48px;
  background: white;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 8px;
  box-shadow: var(--shadow-sm);
  color: var(--color-primary);
}

.trust-item .icon svg {
  width: 24px;
  height: 24px;
}

.trust-item .value {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-primary-dark);
}

.trust-item .label {
  font-size: 0.85rem;
  color: var(--color-text-light);
}

/* ===== Section Common ===== */
.section {
  padding: 80px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-header .eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--color-accent);
  margin-bottom: 12px;
}

.section-header h2 {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--color-primary-dark);
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.section-header p {
  font-size: 1.05rem;
  color: var(--color-text-light);
  max-width: 640px;
  margin: 0 auto;
}

/* ===== Product Categories ===== */
.categories {
  background: var(--color-bg-light);
}

/* Lamp Finder */
.lamp-finder {
  max-width: 680px;
  margin: 0 auto 48px;
  background: white;
  border-radius: var(--radius-lg);
  padding: 8px;
  display: flex;
  gap: 8px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
}

.lamp-finder-select {
  flex: 1;
  padding: 14px 20px;
  border: none;
  font-size: 1rem;
  font-family: var(--font);
  color: var(--color-text);
  background: transparent;
  cursor: pointer;
  outline: none;
  appearance: none;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3e%3cpath fill='%2364748b' d='M6 8L0 0h12z'/%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 20px center;
}

.lamp-finder-btn {
  padding: 14px 32px;
  background: var(--color-accent);
  color: white;
  border: none;
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.lamp-finder-btn:hover {
  background: var(--color-accent-dark);
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.category-grid-5 {
  grid-template-columns: repeat(5, 1fr);
}

.category-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  transition: var(--transition);
  border: 1px solid var(--color-border);
  cursor: pointer;
}

.category-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-accent);
}

.category-card .icon-wrap {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.category-card:hover .icon-wrap {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
}

.category-card .icon-wrap svg {
  width: 32px;
  height: 32px;
  color: white;
}

.category-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 8px;
}

.category-card p {
  font-size: 0.88rem;
  color: var(--color-text-light);
  margin-bottom: 16px;
}

.category-card .link {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-accent);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: var(--transition);
}

.category-card:hover .link {
  gap: 8px;
}

/* ===== Brands Section ===== */
.brands {
  background: white;
}

.brand-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
}

a.brand-card {
  text-decoration: none;
  color: inherit;
  display: block;
}
.brand-card {
  background: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px 16px;
  text-align: center;
  transition: var(--transition);
  cursor: pointer;
}

.brand-card:hover {
  background: white;
  border-color: var(--color-accent);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.brand-card .brand-name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-primary-dark);
}

.brand-card .brand-count {
  font-size: 0.78rem;
  color: var(--color-text-light);
  margin-top: 4px;
}

/* ===== Why Choose Us ===== */
.why-us {
  background: var(--color-primary-dark);
  color: white;
  position: relative;
  overflow: hidden;
}

.why-us::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(ellipse at top right, rgba(245,158,11,0.08) 0%, transparent 50%);
}

.why-us .section-header h2 {
  color: white;
}

.why-us .section-header p {
  color: rgba(255,255,255,0.7);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
  z-index: 1;
}

.feature-card {
  text-align: center;
  padding: 32px 20px;
}

.feature-card .icon-circle {
  width: 72px;
  height: 72px;
  margin: 0 auto 20px;
  background: rgba(245, 158, 11, 0.1);
  border: 2px solid rgba(245, 158, 11, 0.3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.feature-card:hover .icon-circle {
  background: var(--color-accent);
  border-color: var(--color-accent);
}

.feature-card .icon-circle svg {
  width: 32px;
  height: 32px;
  color: var(--color-accent);
  transition: var(--transition);
}

.feature-card:hover .icon-circle svg {
  color: white;
}

.feature-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.65);
  line-height: 1.6;
}

/* ===== OEM/ODM Section ===== */
.oem {
  background: var(--color-bg-light);
}

.oem-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.oem-text .eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--color-accent);
  margin-bottom: 12px;
}

.oem-text h2 {
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-primary-dark);
  margin-bottom: 16px;
}

.oem-text > p {
  color: var(--color-text-light);
  margin-bottom: 28px;
  font-size: 1.02rem;
}

.oem-list {
  display: grid;
  gap: 16px;
  margin-bottom: 32px;
}

.oem-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.oem-item .check {
  width: 24px;
  height: 24px;
  background: var(--color-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}

.oem-item .check svg {
  width: 14px;
  height: 14px;
  color: white;
}

.oem-item .text h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-primary-dark);
  margin-bottom: 2px;
}

.oem-item .text p {
  font-size: 0.88rem;
  color: var(--color-text-light);
}

.oem-visual {
  position: relative;
}

.oem-visual-card {
  background: white;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.oem-visual-header {
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  padding: 32px;
  color: white;
}

.oem-visual-header h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.oem-visual-header p {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.7);
}

.oem-visual-body {
  padding: 32px;
}

.oem-process {
  display: grid;
  gap: 16px;
}

.oem-step {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px;
  background: var(--color-bg-light);
  border-radius: var(--radius);
  transition: var(--transition);
}

.oem-step:hover {
  background: var(--color-bg-gray);
}

.oem-step .step-num {
  width: 32px;
  height: 32px;
  background: var(--color-accent);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  flex-shrink: 0;
}

.oem-step .step-text {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-primary-dark);
}

/* ===== Featured Products ===== */
.featured {
  background: white;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.product-card {
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  cursor: pointer;
}

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

.product-image {
  height: 200px;
  background: linear-gradient(135deg, var(--color-bg-gray), var(--color-bg-light));
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.product-image svg {
  width: 80px;
  height: 80px;
  color: var(--color-primary-light);
  opacity: 0.6;
}

.product-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 4px 12px;
  background: var(--color-accent);
  color: white;
  border-radius: 50px;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.product-body {
  padding: 20px;
}

.product-body h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 6px;
}

.product-body .model {
  font-size: 0.82rem;
  color: var(--color-accent);
  font-weight: 600;
  margin-bottom: 8px;
}

.product-body p {
  font-size: 0.85rem;
  color: var(--color-text-light);
  margin-bottom: 12px;
  line-height: 1.5;
}

.product-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.product-tag {
  padding: 3px 10px;
  background: var(--color-bg-gray);
  border-radius: 50px;
  font-size: 0.72rem;
  color: var(--color-text-light);
  font-weight: 500;
}

/* ===== Inquiry / CTA Section ===== */
.inquiry {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  color: white;
  position: relative;
  overflow: hidden;
}

.inquiry::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(ellipse at center, rgba(245,158,11,0.06) 0%, transparent 70%);
}

.inquiry .container {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.inquiry-text h2 {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 16px;
}

.inquiry-text p {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.75);
  margin-bottom: 32px;
  line-height: 1.7;
}

.inquiry-contact {
  display: grid;
  gap: 20px;
}

.inquiry-contact-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  transition: var(--transition);
}

.inquiry-contact-item:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(245,158,11,0.3);
}

.inquiry-contact-item .icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.inquiry-contact-item .icon svg {
  width: 22px;
  height: 22px;
  color: white;
}

.inquiry-contact-item .label {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.5);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.inquiry-contact-item .value {
  font-size: 1rem;
  font-weight: 600;
  color: white;
}

.inquiry-form {
  background: white;
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-xl);
}

.inquiry-form h3 {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 8px;
}

.inquiry-form p {
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin-bottom: 24px;
}

.form-group {
  margin-bottom: 16px;
}

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

.form-label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 6px;
}

.form-input {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.92rem;
  color: var(--color-text);
  font-family: var(--font);
  transition: var(--transition);
  background: var(--color-bg-light);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-accent);
  background: white;
  box-shadow: 0 0 0 3px rgba(245,158,11,0.1);
}

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

.form-submit {
  width: 100%;
  padding: 14px;
  font-size: 1rem;
}

/* ===== Footer ===== */
.footer {
  background: var(--color-primary-dark);
  color: rgba(255,255,255,0.7);
  padding: 64px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-brand .logo {
  color: white;
  margin-bottom: 16px;
}

.footer-brand .logo .tagline {
  color: rgba(255,255,255,0.5);
}

.footer-brand p {
  font-size: 0.88rem;
  line-height: 1.7;
  margin-bottom: 20px;
  max-width: 320px;
}

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

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

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

.footer-social a svg {
  width: 20px;
  height: 20px;
  color: white;
}

.footer-col h4 {
  font-size: 1rem;
  font-weight: 700;
  color: white;
  margin-bottom: 20px;
}

.footer-col ul {
  display: grid;
  gap: 12px;
}

.footer-col a {
  font-size: 0.88rem;
  transition: var(--transition);
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 0;
  font-size: 0.82rem;
}

.footer-bottom a {
  color: rgba(255,255,255,0.5);
  transition: var(--transition);
}

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

/* ===== WhatsApp Float ===== */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 56px;
  height: 56px;
  background: #25d366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  cursor: pointer;
  transition: var(--transition);
  z-index: 999;
  animation: pulse 2s infinite;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 24px rgba(37, 211, 102, 0.6);
}

.whatsapp-float svg {
  width: 30px;
  height: 30px;
  color: white;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4); }
  50% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4), 0 0 0 12px rgba(37, 211, 102, 0.1); }
}

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

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

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .hero h1 { font-size: 2.4rem; }
  .category-grid { grid-template-columns: repeat(2, 1fr); }
  .category-grid-5 { grid-template-columns: repeat(2, 1fr); }
  .brand-grid { grid-template-columns: repeat(4, 1fr); }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .oem-content { grid-template-columns: 1fr; }
  .inquiry .container { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 768px) {
  .nav-menu { display: none; }
  .nav-cta .btn-outline { display: none; }
  .mobile-toggle { display: flex; }
  
  .topbar-info { font-size: 0.72rem; gap: 12px; }
  .topbar-info span:nth-child(n+3) { display: none; }
  
  .hero { padding: 48px 0 64px; }
  .hero .container { grid-template-columns: 1fr; gap: 32px; }
  .hero h1 { font-size: 2rem; }
  .hero p { font-size: 1rem; }
  .hero-stats { gap: 24px; flex-wrap: wrap; }
  .hero-stat .number { font-size: 1.5rem; }
  
  .trust-bar .container { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  
  .section { padding: 56px 0; }
  .section-header h2 { font-size: 1.7rem; }
  
  .brand-grid { grid-template-columns: repeat(3, 1fr); }
  .product-grid { grid-template-columns: 1fr; }
  
  .form-row { grid-template-columns: 1fr; }
  
  .inquiry-form { padding: 28px; }
  
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
  
  .whatsapp-float { width: 48px; height: 48px; bottom: 16px; right: 16px; }
  .whatsapp-float svg { width: 26px; height: 26px; }
}

/* ===== Mobile Menu ===== */
.mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 80%;
  max-width: 320px;
  height: 100vh;
  background: white;
  box-shadow: var(--shadow-xl);
  z-index: 2000;
  transition: right 0.3s ease;
  padding: 80px 24px 24px;
  overflow-y: auto;
}

.mobile-menu.open {
  right: 0;
}

.mobile-menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.5);
  z-index: 1999;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

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

.mobile-menu a {
  display: block;
  padding: 16px 0;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-primary-dark);
  border-bottom: 1px solid var(--color-border);
}

.mobile-menu-close {
  position: absolute;
  top: 24px;
  right: 24px;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--color-text);
}

/* ===== Product Page Styles ===== */

/* Page Header */
.page-header {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  color: #fff;
  padding: 80px 0 60px;
  text-align: center;
}
.page-header h1 { font-size: 2.8rem; font-weight: 800; margin-bottom: 12px; }
.page-header p { font-size: 1.1rem; opacity: 0.9; max-width: 700px; margin: 0 auto 30px; }
.page-header-stats {
  display: flex;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
}
.page-header-stats div { font-size: 0.9rem; opacity: 0.85; }
.page-header-stats strong { display: block; font-size: 1.8rem; color: var(--color-accent); }

/* Product Nav Tabs */
.product-nav-wrapper {
  position: sticky;
  top: 72px;
  background: #fff;
  z-index: 100;
  box-shadow: var(--shadow);
  border-bottom: 2px solid var(--color-border);
}
.product-nav-tabs {
  display: flex;
  gap: 8px;
  padding: 12px 0;
  overflow-x: auto;
}
.tab-btn {
  white-space: nowrap;
  padding: 10px 24px;
  border: 2px solid var(--color-border);
  background: transparent;
  border-radius: 30px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text-light);
  cursor: pointer;
  transition: var(--transition);
}
.tab-btn:hover { border-color: var(--color-primary); color: var(--color-primary); }
.tab-btn.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

/* Product Category Section */
.product-category { padding: 60px 0; }
.product-category.alt-bg { background: var(--color-bg-light); }

.category-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 50px;
}
.category-header .eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 8px;
}
.category-header h2 {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--color-primary-dark);
  margin-bottom: 12px;
}
.category-header p { font-size: 1.05rem; color: var(--color-text-light); }

/* Sub Tabs */
.sub-tabs {
  display: flex;
  gap: 8px;
  justify-content: center;
  margin-bottom: 36px;
  flex-wrap: wrap;
}
.sub-tab {
  padding: 8px 20px;
  border: 1px solid var(--color-border);
  background: #fff;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text-light);
  cursor: pointer;
  transition: var(--transition);
}
.sub-tab:hover { border-color: var(--color-accent); color: var(--color-accent); }
.sub-tab.active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}
.sub-content { display: none; }
.sub-content.active { display: block; animation: fadeIn 0.4s ease; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.sub-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 8px;
}
.sub-desc {
  color: var(--color-text-light);
  margin-bottom: 30px;
  max-width: 800px;
}

/* Product Grid */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

/* Product Card */
.product-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.product-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: var(--color-primary-light);
}

.product-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  background: var(--color-primary);
  color: #fff;
  z-index: 2;
}
.brand-badge { background: var(--color-primary); }
.brand-badge.compat { background: var(--color-success); }
.shusen-badge { background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark)); }

.product-img {
  position: relative;
  height: 200px;
  background: linear-gradient(135deg, var(--color-bg-gray), #e2e8f0);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.img-placeholder {
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-primary-light);
  opacity: 0.3;
}
.img-placeholder.lamp-icon::after { content: '💡'; display: block; font-size: 3rem; margin-top: 8px; }
.img-placeholder.screen-icon::after { content: '🖥'; display: block; font-size: 3rem; margin-top: 8px; }
.img-placeholder.mount-icon::after { content: '🔧'; display: block; font-size: 3rem; margin-top: 8px; }
.img-placeholder.parts-icon::after { content: '⚙️'; display: block; font-size: 3rem; margin-top: 8px; }
.img-placeholder.projector-icon::after { content: '📽'; display: block; font-size: 3rem; margin-top: 8px; }

.product-body {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.product-body h4 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 6px;
}
.product-body p {
  font-size: 0.85rem;
  color: var(--color-text-light);
  margin-bottom: 12px;
  flex: 1;
}
.projector-tagline {
  font-size: 0.8rem !important;
  font-weight: 600;
  color: var(--color-accent) !important;
  margin-bottom: 12px !important;
}

.product-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}
.product-tags span {
  padding: 3px 10px;
  background: var(--color-bg-gray);
  border-radius: 12px;
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--color-text-light);
}

/* Shusen Card */
.shusen-card { border-color: var(--color-accent); border-width: 2px; }

/* Spec Table (for projectors) */
.spec-table {
  width: 100%;
  font-size: 0.8rem;
  margin-bottom: 12px;
}
.spec-table td {
  padding: 4px 8px;
  border-bottom: 1px solid var(--color-border);
}
.spec-table td:first-child {
  font-weight: 600;
  color: var(--color-text-light);
  width: 40%;
}
.spec-table td:last-child {
  color: var(--color-text);
}

/* Info Box */
.info-box {
  margin-top: 40px;
  padding: 24px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}
.info-box h4 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 14px;
}
.material-chips {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.material-chips span {
  padding: 6px 14px;
  background: var(--color-primary-dark);
  color: #fff;
  border-radius: 20px;
  font-size: 0.78rem;
  font-weight: 500;
}

/* Filter Section */
.filter-section {
  margin-top: 40px;
  padding: 30px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}
.filter-brands-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 24px;
  margin-top: 20px;
}
.filter-brand-block h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.filter-brand-block .count {
  font-size: 0.75rem;
  font-weight: 500;
  color: #fff;
  background: var(--color-accent);
  padding: 2px 8px;
  border-radius: 12px;
}
.filter-models {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.filter-models span {
  padding: 4px 10px;
  background: var(--color-bg-gray);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-primary);
}

/* CTA Section */
.cta-section {
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  color: #fff;
  padding: 60px 0;
  text-align: center;
}
.cta-section h2 { font-size: 2rem; font-weight: 800; margin-bottom: 12px; }
.cta-section p { font-size: 1rem; opacity: 0.9; margin-bottom: 24px; }
.cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
.btn-accent {
  background: var(--color-accent);
  color: #fff;
  padding: 12px 32px;
  border-radius: 30px;
  font-weight: 600;
  font-size: 1rem;
  transition: var(--transition);
}
.btn-accent:hover {
  background: var(--color-accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(245, 158, 11, 0.4);
}
.btn-whatsapp {
  background: #25D366;
  color: #fff;
  padding: 12px 32px;
  border-radius: 30px;
  font-weight: 600;
  font-size: 1rem;
  transition: var(--transition);
}
.btn-whatsapp:hover { background: #128C7E; transform: translateY(-2px); }

/* Projector Card */
.shusen-projector-card {
  border: 2px solid var(--color-accent);
}
.projector-grid {
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
}

/* ===== About Us Page ===== */
.about-story { padding: 80px 0; }
.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 60px;
  align-items: center;
}
.about-text h2 { font-size: 2.2rem; font-weight: 800; margin-bottom: 20px; color: var(--color-text); }
.about-text p { font-size: 1.05rem; line-height: 1.8; color: var(--color-text-light); margin-bottom: 16px; }
.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 28px;
}
.about-feature {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text);
}
.about-feature svg { width: 20px; height: 20px; color: var(--color-accent); flex-shrink: 0; }

.about-visual {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.about-stat-card {
  background: var(--color-primary);
  color: #fff;
  padding: 32px;
  border-radius: 16px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.about-stat-card.secondary { background: var(--color-primary-dark); }
.about-stat-card.accent { background: linear-gradient(135deg, var(--color-accent), #d4a017); }
.about-stat-card .stat-big {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1;
}
.about-stat-card .stat-big span { font-size: 2rem; }
.about-stat-card .stat-label {
  font-size: 0.95rem;
  opacity: 0.85;
  margin-top: 8px;
}

/* Timeline */
.about-timeline-section { padding: 80px 0; }
.alt-bg { background: var(--color-bg-light); }
.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  padding-left: 40px;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-accent), var(--color-primary-light));
}
.timeline-item {
  position: relative;
  margin-bottom: 40px;
}
.timeline-dot {
  position: absolute;
  left: -40px;
  top: 4px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--color-accent);
  border: 3px solid #fff;
  box-shadow: 0 0 0 3px var(--color-accent-light);
}
.timeline-content {
  background: #fff;
  padding: 24px 28px;
  border-radius: 12px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}
.timeline-year {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-accent);
  background: rgba(245, 158, 11, 0.1);
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 8px;
}
.timeline-content h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 6px; }
.timeline-content p { font-size: 0.95rem; color: var(--color-text-light); line-height: 1.6; }

/* Capabilities */
.about-capabilities { padding: 80px 0; }
.capability-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.capability-card {
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 16px;
  padding: 32px 24px;
  transition: var(--transition);
}
.capability-card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 8px 30px rgba(245, 158, 11, 0.1);
  transform: translateY(-4px);
}
.capability-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.capability-icon svg { width: 28px; height: 28px; color: #fff; }
.capability-card h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 10px; }
.capability-card p { font-size: 0.9rem; color: var(--color-text-light); line-height: 1.6; margin-bottom: 16px; }
.capability-list { list-style: none; padding: 0; }
.capability-list li {
  font-size: 0.85rem;
  color: var(--color-text-light);
  padding: 4px 0;
  padding-left: 18px;
  position: relative;
}
.capability-list li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--color-accent);
}

/* Certifications */
.about-certifications { padding: 80px 0; }
.cert-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.cert-card {
  background: #fff;
  border-radius: 16px;
  padding: 36px 24px;
  text-align: center;
  border: 1px solid #e5e7eb;
  transition: var(--transition);
}
.cert-card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 8px 30px rgba(0,0,0,0.08);
  transform: translateY(-4px);
}
.cert-badge {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-accent), #d4a017);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}
.cert-badge svg { width: 30px; height: 30px; color: #fff; }
.cert-card h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 8px; }
.cert-card p { font-size: 0.88rem; color: var(--color-text-light); line-height: 1.6; }

/* Global Reach */
.about-global { padding: 80px 0; }
.global-map-placeholder {
  position: relative;
  background: linear-gradient(135deg, #f0f4f8, #e3edf5);
  border-radius: 20px;
  height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.global-pins { position: absolute; inset: 0; }
.global-pin {
  position: absolute;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--color-primary);
  cursor: pointer;
  transition: var(--transition);
}
.global-pin::after {
  content: attr(data-label);
  position: absolute;
  bottom: 22px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.72rem;
  font-weight: 600;
  white-space: nowrap;
  background: rgba(0,0,0,0.7);
  color: #fff;
  padding: 3px 8px;
  border-radius: 4px;
  opacity: 0;
  transition: var(--transition);
}
.global-pin:hover::after { opacity: 1; }
.global-pin.active {
  background: var(--color-accent);
  width: 18px;
  height: 18px;
  box-shadow: 0 0 0 6px rgba(245, 158, 11, 0.2);
}
.global-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 24px 0;
}
.global-stat {
  text-align: center;
  padding: 16px;
  background: var(--color-bg-light);
  border-radius: 12px;
}
.global-stat strong { display: block; font-size: 1.8rem; color: var(--color-primary); font-weight: 800; }
.global-stat span { font-size: 0.85rem; color: var(--color-text-light); }
.global-features { margin-top: 20px; }

/* Why Choose Us (About) */
.about-why { padding: 80px 0; }
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.why-card {
  background: #fff;
  border-radius: 16px;
  padding: 36px 28px;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
  border: 1px solid #e5e7eb;
}
.why-card:hover {
  box-shadow: 0 12px 40px rgba(0,0,0,0.1);
  transform: translateY(-6px);
}
.why-num {
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--color-bg-alt);
  line-height: 1;
  margin-bottom: 12px;
}
.why-card h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 10px; }
.why-card p { font-size: 0.92rem; color: var(--color-text-light); line-height: 1.7; }

/* ===== Contact Page ===== */
.contact-page { padding: 80px 0; }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 50px;
}
.contact-info-card {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: #fff;
  border-radius: 20px;
  padding: 40px;
}
.contact-info-card h2 { font-size: 1.6rem; font-weight: 700; margin-bottom: 8px; }
.contact-info-card > p { font-size: 0.95rem; opacity: 0.85; margin-bottom: 32px; }
.contact-info-item {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
  align-items: flex-start;
}
.contact-info-item .icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.contact-info-item .icon svg { width: 22px; height: 22px; color: var(--color-accent); }
.contact-info-item .label { font-size: 0.8rem; opacity: 0.7; text-transform: uppercase; letter-spacing: 0.5px; }
.contact-info-item .value { font-size: 1rem; font-weight: 500; margin-top: 2px; }
.contact-info-item .value a { color: #fff; text-decoration: none; }
.contact-info-item .value a:hover { text-decoration: underline; }

.contact-social-row {
  display: flex;
  gap: 12px;
  margin-top: 32px;
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.15);
}
.contact-social-btn {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}
.contact-social-btn:hover { background: rgba(255,255,255,0.2); transform: translateY(-2px); }
.contact-social-btn svg { width: 22px; height: 22px; color: #fff; }

.contact-form-card {
  background: #fff;
  border-radius: 20px;
  padding: 40px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.06);
}
.contact-form-card h2 { font-size: 1.6rem; font-weight: 700; margin-bottom: 8px; }
.contact-form-card > p { font-size: 0.95rem; color: var(--color-text-light); margin-bottom: 32px; }
.contact-form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.contact-form-group {
  margin-bottom: 20px;
}
.contact-form-group label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 6px;
}
.contact-form-group label .req { color: #e53e3e; }
.contact-form-group input,
.contact-form-group select,
.contact-form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid #e5e7eb;
  border-radius: 10px;
  font-size: 0.95rem;
  font-family: inherit;
  transition: var(--transition);
  background: #fafafa;
}
.contact-form-group input:focus,
.contact-form-group select:focus,
.contact-form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.1);
}
.contact-form-group textarea { resize: vertical; min-height: 120px; }
.contact-form-submit {
  width: 100%;
  padding: 16px;
  font-size: 1.05rem;
  font-weight: 700;
  border: none;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  color: #fff;
  cursor: pointer;
  transition: var(--transition);
}
.contact-form-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(30, 58, 95, 0.3);
}
.contact-form-note {
  font-size: 0.82rem;
  color: var(--color-text-light);
  margin-top: 16px;
  text-align: center;
}

/* Contact Quick Options */
.contact-quick {
  padding: 60px 0;
  background: var(--color-bg-light);
}
.contact-quick-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.contact-quick-card {
  background: #fff;
  border-radius: 16px;
  padding: 32px;
  text-align: center;
  border: 1px solid #e5e7eb;
  transition: var(--transition);
  text-decoration: none;
  color: inherit;
  display: block;
}
.contact-quick-card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 8px 30px rgba(0,0,0,0.08);
  transform: translateY(-4px);
}
.contact-quick-card .icon-wrap {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--color-accent), #d4a017);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}
.contact-quick-card .icon-wrap svg { width: 28px; height: 28px; color: #fff; }
.contact-quick-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 6px; }
.contact-quick-card p { font-size: 0.88rem; color: var(--color-text-light); }

/* FAQ */
.contact-faq { padding: 80px 0; }
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  margin-bottom: 12px;
  overflow: hidden;
  transition: var(--transition);
}
.faq-item.active { border-color: var(--color-accent); }
.faq-question {
  padding: 20px 24px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition);
}
.faq-question:hover { color: var(--color-accent); }
.faq-question .faq-icon {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  flex-shrink: 0;
}
.faq-item.active .faq-icon { transform: rotate(180deg); color: var(--color-accent); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  padding: 0 24px;
  font-size: 0.92rem;
  color: var(--color-text-light);
  line-height: 1.7;
}
.faq-item.active .faq-answer { max-height: 300px; padding: 0 24px 20px; }

/* Responsive */
@media (max-width: 768px) {
  .product-nav-tabs { flex-wrap: nowrap; }
  .product-grid { grid-template-columns: 1fr; }
  .projector-grid { grid-template-columns: 1fr; }
  .filter-brands-grid { grid-template-columns: 1fr; }
  .page-header-stats { gap: 20px; }
  .about-grid { grid-template-columns: 1fr; gap: 30px; }
  .about-features { grid-template-columns: 1fr; }
  .capability-grid { grid-template-columns: 1fr; }
  .cert-grid { grid-template-columns: 1fr 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .contact-form-row { grid-template-columns: 1fr; }
  .contact-quick-grid { grid-template-columns: 1fr; }
  .global-stats { grid-template-columns: 1fr; }
}