/* ============================================
   ATV Foreign Trade Website - Stylesheet
   Industrial / Motorsport Theme
   ============================================ */

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

:root {
  --bg-darkest: #0a0a0a;
  --bg-dark: #121212;
  --bg-card: #1a1a1a;
  --bg-card-hover: #222222;
  --accent: #ff6a00;
  --accent-bright: #ff8c1a;
  --accent-glow: rgba(255, 106, 0, 0.35);
  --text-primary: #ffffff;
  --text-secondary: #b0b0b0;
  --text-muted: #707070;
  --border: #2a2a2a;
  --radius: 10px;
  --radius-lg: 18px;
  --max-width: 1240px;
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --font-heading: "Russo One", "Arial Narrow", sans-serif;
  --font-body: "Inter", "Segoe UI", "Roboto", system-ui, sans-serif;
}

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

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

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

ul {
  list-style: none;
}

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

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

/* ---------- Navbar ---------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-size: 1.25rem;
  letter-spacing: 1px;
  color: var(--text-primary);
  text-transform: uppercase;
  white-space: nowrap;
}

.logo-img {
  width: 56px;
  height: 56px;
  flex-shrink: 0;
  object-fit: contain;
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.3));
}

.logo-text {
  display: flex;
  align-items: baseline;
  gap: 4px;
}

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

.nav-right {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-links {
  display: flex;
  gap: 28px;
}

.nav-links a {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  position: relative;
  transition: color var(--transition);
  padding: 4px 0;
}

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

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

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

/* Language switcher */
.lang-switcher {
  display: flex;
  align-items: center;
  gap: 4px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 30px;
  padding: 4px;
}

.lang-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 5px 11px;
  border-radius: 20px;
  cursor: pointer;
  transition: all var(--transition);
  letter-spacing: 0.5px;
  font-family: var(--font-body);
}

.lang-btn:hover {
  color: var(--text-primary);
}

.lang-btn.active {
  background: var(--accent);
  color: #fff;
}

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

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

.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}
.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: 70px;
}

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

.hero-bg::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 70% 40%, rgba(255, 106, 0, 0.12) 0%, transparent 50%),
    linear-gradient(135deg, #0a0a0a 0%, #161210 50%, #0a0a0a 100%);
}

.hero-bg svg {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  opacity: 0.06;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 720px;
  padding: 40px 0;
}

.hero-logo {
  width: 240px;
  height: 240px;
  margin-bottom: 22px;
  object-fit: contain;
  filter: drop-shadow(0 8px 32px rgba(0, 0, 0, 0.5));
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 106, 0, 0.12);
  border: 1px solid rgba(255, 106, 0, 0.35);
  color: var(--accent-bright);
  padding: 7px 16px;
  border-radius: 30px;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  margin-bottom: 28px;
}

.hero-badge::before {
  content: "";
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(2.4rem, 6vw, 4.5rem);
  line-height: 1.05;
  text-transform: uppercase;
  letter-spacing: -1px;
  margin-bottom: 24px;
}

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

.hero p {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 560px;
  margin-bottom: 40px;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 32px;
  font-size: 0.95rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
  border: 2px solid transparent;
  font-family: var(--font-body);
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 4px 20px var(--accent-glow);
}

.btn-primary:hover {
  background: var(--accent-bright);
  transform: translateY(-2px);
  box-shadow: 0 6px 28px var(--accent-glow);
}

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

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

/* Hero stats */
.hero-stats {
  display: flex;
  gap: 48px;
  margin-top: 56px;
  flex-wrap: wrap;
}

.stat-item .stat-num {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  color: var(--accent);
  line-height: 1;
}

.stat-item .stat-label {
  font-size: 0.82rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: 6px;
}

/* ---------- Section Header ---------- */
.section {
  padding: 100px 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 64px;
}

.section-tag {
  display: inline-block;
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 14px;
}

.section-header h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  text-transform: uppercase;
  line-height: 1.15;
  margin-bottom: 16px;
}

.section-header p {
  color: var(--text-secondary);
  font-size: 1.05rem;
}

/* ---------- Products ---------- */
.products-grid {
  display: flex;
  flex-direction: column;
  gap: 48px;
}

.products-grid-inner {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 28px;
}

/* ---------- Category Section Header ---------- */
.category-header {
  border-left: 4px solid var(--accent);
  padding: 6px 0 6px 20px;
  margin-bottom: -8px;
}

.category-header-top {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.category-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, rgba(255, 106, 0, 0.15), rgba(255, 106, 0, 0.05));
  border: 1px solid rgba(255, 106, 0, 0.3);
  border-radius: 12px;
  color: var(--accent);
  flex-shrink: 0;
}

.category-title {
  font-family: var(--font-heading);
  font-size: 1.7rem;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--text-primary);
  line-height: 1.2;
}

.category-count {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  background: rgba(255, 106, 0, 0.1);
  border: 1px solid rgba(255, 106, 0, 0.25);
  padding: 3px 12px;
  border-radius: 20px;
  white-space: nowrap;
}

.category-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-top: 8px;
  max-width: 720px;
  line-height: 1.5;
}

.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  border-color: rgba(255, 106, 0, 0.4);
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
}

.product-visual {
  height: 220px;
  background: linear-gradient(135deg, #1a1a1a, #0f0f0f);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.product-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 60%, rgba(255, 106, 0, 0.08), transparent 60%);
  z-index: 0;
}

.product-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: relative;
  z-index: 1;
  transition: transform 0.5s ease;
}

.product-card:hover .product-visual img {
  transform: scale(1.06);
}

.no-img-fallback {
  position: relative;
  z-index: 1;
  color: var(--text-muted);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.product-cat-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  background: var(--accent);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 4px 12px;
  border-radius: 20px;
  z-index: 2;
}

.product-info {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.product-info h3 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  margin-bottom: 8px;
  text-transform: uppercase;
}

.product-cat {
  font-size: 0.8rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 14px;
  font-weight: 600;
}

.product-info p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 20px;
  flex: 1;
}

.product-specs {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.spec {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.spec-val {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  color: var(--text-primary);
}

.spec-label {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.product-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent);
  font-size: 0.88rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: gap var(--transition);
}

.product-link:hover {
  gap: 14px;
}

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

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 28px;
}

.feature-card {
  text-align: center;
  padding: 40px 28px;
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  border: 1px solid var(--border);
  transition: all var(--transition);
}

.feature-card:hover {
  border-color: rgba(255, 106, 0, 0.3);
  transform: translateY(-4px);
}

.feature-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 106, 0, 0.1);
  border-radius: 50%;
}

.feature-icon svg {
  width: 30px;
  height: 30px;
  fill: var(--accent);
}

.feature-card h3 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  margin-bottom: 10px;
  text-transform: uppercase;
}

.feature-card p {
  font-size: 0.88rem;
  color: var(--text-secondary);
}

/* ---------- About ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-text h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  text-transform: uppercase;
  margin-bottom: 24px;
  line-height: 1.15;
}

.about-text .section-tag {
  margin-bottom: 14px;
}

.about-text p {
  color: var(--text-secondary);
  margin-bottom: 18px;
  font-size: 1rem;
}

.about-list {
  margin: 28px 0;
}

.about-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 14px;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.about-list li::before {
  content: "";
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  margin-top: 3px;
  background: var(--accent);
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z'/%3E%3C/svg%3E") center / contain no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z'/%3E%3C/svg%3E") center / contain no-repeat;
  border-radius: 4px;
}

.about-visual {
  position: relative;
}

.about-visual-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  position: relative;
  overflow: hidden;
}

.about-visual-card::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -30%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, var(--accent-glow), transparent 70%);
  border-radius: 50%;
}

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  position: relative;
  z-index: 1;
}

.about-stat {
  text-align: center;
  padding: 24px 16px;
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.about-stat .num {
  font-family: var(--font-heading);
  font-size: 2.4rem;
  color: var(--accent);
}

.about-stat .label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-top: 6px;
}

/* ---------- Contact ---------- */
.contact {
  background: var(--bg-dark);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
}

.contact-info h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  text-transform: uppercase;
  margin-bottom: 20px;
  line-height: 1.15;
}

.contact-info > p {
  color: var(--text-secondary);
  margin-bottom: 36px;
  font-size: 1rem;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 24px;
}

.contact-item-icon {
  width: 46px;
  height: 46px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 106, 0, 0.1);
  border-radius: var(--radius);
}

.contact-item-icon svg {
  width: 22px;
  height: 22px;
  fill: var(--accent);
}

/* All contact icons use unified orange accent color (matching brand) */
.contact-item-icon.brand-whatsapp,
.contact-item-icon.brand-wechat {
  background: rgba(255, 106, 0, 0.12);
  border: 1px solid rgba(255, 106, 0, 0.2);
}
.contact-item-icon.brand-whatsapp svg,
.contact-item-icon.brand-wechat svg {
  fill: var(--accent);
}

.contact-item .label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}

.contact-item .value {
  font-size: 0.95rem;
  color: var(--text-primary);
  font-weight: 500;
}

/* Contact form */
.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.82rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
  font-weight: 600;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  background: var(--bg-darkest);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 13px 16px;
  color: var(--text-primary);
  font-size: 0.95rem;
  font-family: var(--font-body);
  transition: border var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--accent);
}

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

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

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

.form-success {
  display: none;
  text-align: center;
  padding: 30px;
}

.form-success.show {
  display: block;
}

.form-success svg {
  width: 56px;
  height: 56px;
  fill: #4caf50;
  margin-bottom: 16px;
}

.form-success h3 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  margin-bottom: 8px;
}

.form-success p {
  color: var(--text-secondary);
}

/* ---------- Footer ---------- */
.footer {
  background: var(--bg-darkest);
  border-top: 1px solid var(--border);
  padding: 60px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

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

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.88rem;
  max-width: 280px;
}

.footer-col h4 {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  text-transform: uppercase;
  margin-bottom: 18px;
  letter-spacing: 0.5px;
}

.footer-col ul li {
  margin-bottom: 10px;
}

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

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

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom p {
  color: var(--text-muted);
  font-size: 0.82rem;
}

.footer-social {
  display: flex;
  gap: 14px;
}

.footer-social a {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 50%;
  transition: all var(--transition);
}

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

.footer-social a[aria-label="WhatsApp"] {
  background: rgba(37, 211, 102, 0.15);
  border-color: rgba(37, 211, 102, 0.3);
}
.footer-social a[aria-label="WhatsApp"] svg {
  fill: #25D366;
}
.footer-social a[aria-label="WhatsApp"]:hover {
  background: #25D366;
  border-color: #25D366;
}

.footer-social svg {
  width: 16px;
  height: 16px;
  fill: var(--text-secondary);
  transition: fill var(--transition);
}

.footer-social a:hover svg {
  fill: #fff;
}

/* ---------- Product Price & Bottom ---------- */
.product-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.product-price {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.product-price .price-label {
  font-size: 0.68rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.product-price .price-val {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  color: var(--accent);
}

.product-bottom .product-link {
  background: none;
  border: none;
  font-family: var(--font-body);
  cursor: pointer;
  padding: 0;
}

/* ---------- Filter Tabs ---------- */
.filter-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-bottom: 48px;
}

.filter-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 10px 20px;
  border-radius: 30px;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  font-family: var(--font-body);
}

.filter-btn svg {
  opacity: 0.7;
}

.filter-btn em {
  font-style: normal;
  font-size: 0.75rem;
  background: rgba(255, 255, 255, 0.08);
  padding: 2px 8px;
  border-radius: 12px;
  color: var(--text-muted);
}

.filter-btn:hover {
  border-color: rgba(255, 106, 0, 0.4);
  color: var(--text-primary);
}

.filter-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.filter-btn.active em {
  background: rgba(255, 255, 255, 0.25);
  color: #fff;
}

/* ---------- Product Modal ---------- */
.product-modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding: 40px 20px;
  overflow-y: auto;
}

.product-modal.show {
  display: flex;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.modal-wrapper {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 880px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  margin: auto;
  animation: modalSlide 0.3s ease;
}

@keyframes modalSlide {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

.modal-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 38px;
  height: 38px;
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid var(--border);
  border-radius: 50%;
  color: var(--text-primary);
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  z-index: 10;
  transition: all var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-close:hover {
  background: var(--accent);
  border-color: var(--accent);
}

.modal-body {
  padding: 0;
}

.modal-top {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}

.modal-image {
  position: relative;
  background: linear-gradient(135deg, #1a1a1a, #0f0f0f);
  min-height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-radius: var(--radius-lg) 0 0 0;
}

.modal-image img {
  width: 100%;
  height: 100%;
  max-height: 360px;
  object-fit: cover;
}

/* Modal gallery (multi-image) */
.modal-image.has-gallery {
  flex-direction: column;
  padding: 16px;
  gap: 10px;
  min-height: 420px;
}

.modal-image .main-photo {
  flex: 1;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 0;
  position: relative;
}

.modal-image .main-photo img {
  max-height: 320px;
  width: auto;
  max-width: 100%;
  object-fit: contain;
  cursor: zoom-in;
  transition: transform 0.3s ease;
}

.modal-image .main-photo img.zoomed {
  max-height: none;
  height: auto;
  width: 100%;
  cursor: zoom-out;
  transform: scale(1);
}

.modal-thumbs {
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
  padding: 4px;
  border-top: 1px solid var(--border);
  padding-top: 10px;
}

.modal-thumbs .thumb {
  width: 56px;
  height: 44px;
  border-radius: 6px;
  overflow: hidden;
  border: 2px solid transparent;
  cursor: pointer;
  background: #111;
  padding: 0;
  transition: all 0.2s ease;
  opacity: 0.6;
}

.modal-thumbs .thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.modal-thumbs .thumb.active {
  border-color: var(--accent);
  opacity: 1;
  box-shadow: 0 0 0 2px rgba(255, 106, 0, 0.25);
}

.modal-thumbs .thumb:hover {
  opacity: 1;
  transform: translateY(-1px);
}

.modal-thumbs .thumb-counter {
  font-size: 0.75rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 4px;
  margin: 0 4px;
}

.modal-summary {
  padding: 32px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.modal-summary h2 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  text-transform: uppercase;
  line-height: 1.2;
  margin-bottom: 12px;
}

.modal-desc {
  color: var(--text-secondary);
  font-size: 0.92rem;
  margin-bottom: 24px;
  line-height: 1.5;
}

.modal-price-box {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 24px;
  padding: 16px 20px;
  background: rgba(255, 106, 0, 0.08);
  border: 1px solid rgba(255, 106, 0, 0.2);
  border-radius: var(--radius);
}

.modal-price-label {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.modal-price-value {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  color: var(--accent);
}

.modal-price-unit {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 600;
}

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

.modal-specs-section {
  padding: 28px 32px 32px;
}

.modal-specs-section h3 {
  font-family: var(--font-heading);
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.modal-specs-table {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}

.modal-spec-row {
  display: flex;
  flex-direction: column;
  padding: 10px 16px 10px 0;
  border-bottom: 1px solid rgba(42, 42, 42, 0.5);
}

.modal-spec-row:nth-child(2n) {
  padding-left: 16px;
  padding-right: 0;
  border-left: 1px solid rgba(42, 42, 42, 0.5);
}

.modal-spec-label {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.3px;
  margin-bottom: 3px;
  font-weight: 600;
}

.modal-spec-val {
  font-size: 0.9rem;
  color: var(--text-primary);
  line-height: 1.4;
}

/* ---------- Scroll Reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

@media (max-width: 768px) {
  .logo-img { width: 44px; height: 44px; }
  .logo { font-size: 1.05rem; gap: 8px; }
  .hero-logo { width: 170px; height: 170px; margin-bottom: 16px; }

  .nav-links {
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    background: var(--bg-dark);
    flex-direction: column;
    padding: 30px 24px;
    gap: 20px;
    border-bottom: 1px solid var(--border);
    transform: translateY(-150%);
    transition: transform var(--transition);
  }

  .nav-links.open {
    transform: translateY(0);
  }

  .menu-toggle {
    display: flex;
  }

  .nav-right {
    gap: 14px;
  }

  .lang-switcher {
    padding: 3px;
  }

  .lang-btn {
    padding: 4px 8px;
    font-size: 0.7rem;
  }

  .section {
    padding: 70px 0;
  }

  .hero-stats {
    gap: 28px;
  }

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

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

@media (max-width: 500px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }

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

  .category-title {
    font-size: 1.4rem;
  }
}

/* Modal responsive */
@media (max-width: 768px) {
  .product-modal {
    padding: 20px 12px;
  }

  .modal-top {
    grid-template-columns: 1fr;
  }

  .modal-image {
    min-height: 220px;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  }

  .modal-image img {
    max-height: 260px;
  }

  .modal-specs-table {
    grid-template-columns: 1fr;
  }

  .modal-spec-row:nth-child(2n) {
    padding-left: 0;
    border-left: none;
  }

  .modal-summary,
  .modal-specs-section {
    padding: 24px 20px;
  }

  .filter-tabs {
    gap: 8px;
  }

  .filter-btn {
    padding: 8px 14px;
    font-size: 0.8rem;
  }
}