/* ============================================
   Suzhou Vigor New Materials Co., Ltd.
   Acoustic Panel Website
   ============================================ */

/* --- CSS Variables --- */
:root {
  --color-primary: #1a1a2e;
  --color-primary-light: #2d2d4a;
  --color-accent: #c8944a;
  --color-accent-light: #d4a85c;
  --color-accent-dark: #a67c38;
  --color-bg: #f8f7f4;
  --color-bg-dark: #1a1a2e;
  --color-bg-card: #ffffff;
  --color-text: #333333;
  --color-text-light: #666666;
  --color-text-white: #ffffff;
  --color-border: #e0e0e0;
  --color-success: #4caf50;
  --color-error: #e74c3c;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.08);
  --shadow-lg: 0 10px 40px rgba(0,0,0,0.12);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --max-width: 1280px;
  --header-height: 72px;
  --transition: 0.3s cubic-bezier(0.25, 0.8, 0.25, 1.2);
}

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

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

body {
  font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }
img { max-width: 100%; display: block; }
button { cursor: pointer; font-family: inherit; border: none; outline: none; }
input, textarea, select { font-family: inherit; outline: none; }

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

/* --- Header / Navigation --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0,0,0,0.06);
  transition: all var(--transition);
}

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

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--color-primary);
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 0.8rem;
}

.nav { display: flex; align-items: center; gap: 4px; }

.nav a {
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  color: var(--color-text);
  transition: all var(--transition);
  position: relative;
}

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

.nav a.active::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 18px;
  right: 18px;
  height: 2px;
  background: var(--color-accent);
  border-radius: 1px;
}

.nav-cta {
  background: var(--color-accent) !important;
  color: #fff !important;
  padding: 8px 22px !important;
  border-radius: var(--radius-sm) !important;
  font-weight: 500 !important;
  transition: all var(--transition) !important;
}

.nav-cta:hover {
  background: var(--color-accent-dark) !important;
  color: #fff !important;
}

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

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  padding: 4px;
}

.menu-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 1px;
  transition: all var(--transition);
}

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

#three-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    180deg,
    rgba(26,26,46,0.55) 0%,
    rgba(26,26,46,0.75) 40%,
    rgba(26,26,46,0.92) 100%
  );
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  max-width: 720px;
  padding: 120px 0 80px;
}

.hero-subtitle {
  font-size: 0.95rem;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 20px;
  font-weight: 500;
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  color: #fff;
  line-height: 1.15;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

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

.hero-desc {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.8);
  line-height: 1.75;
  margin-bottom: 40px;
  max-width: 560px;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-weight: 500;
  transition: all var(--transition);
  white-space: nowrap;
}

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

.btn-primary:hover {
  background: var(--color-accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(200,148,74,0.35);
}

.btn-outline {
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255,255,255,0.35);
}

.btn-outline:hover {
  border-color: #fff;
  background: rgba(255,255,255,0.08);
}

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

.btn-white:hover {
  background: #f0f0f0;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

.section-dark {
  background: var(--color-primary);
  color: #fff;
}

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

.section-label {
  font-size: 0.9rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 12px;
  font-weight: 500;
}

.section-title {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--color-text-light);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
}

.section-dark .section-title { color: #fff; }
.section-dark .section-desc { color: rgba(255,255,255,0.65); }

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

.feature-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-md);
  padding: 40px 32px;
  border: 1px solid var(--color-border);
  transition: all var(--transition);
  text-align: center;
}

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

.feature-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 24px;
  background: rgba(200,148,74,0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
}

.feature-card h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.feature-card p {
  color: var(--color-text-light);
  font-size: 0.95rem;
  line-height: 1.65;
}

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

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

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

.product-card-img {
  height: 280px;
  background: linear-gradient(135deg, #1a1a2e 0%, #2d2d4a 50%, #1a1a2e 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.product-card-img .pattern {
  position: absolute;
  inset: 0;
  opacity: 0.3;
}

.hex-pattern {
  background-image:
    radial-gradient(circle at 25% 25%, rgba(200,148,74,0.4) 1px, transparent 1px),
    radial-gradient(circle at 75% 75%, rgba(200,148,74,0.3) 1px, transparent 1px);
  background-size: 30px 30px, 30px 30px;
  background-position: 0 0, 15px 15px;
}

.dot-pattern {
  background-image: radial-gradient(circle, rgba(200,148,74,0.3) 1px, transparent 1px);
  background-size: 20px 20px;
}

.diagonal-pattern {
  background: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 10px,
    rgba(200,148,74,0.15) 10px,
    rgba(200,148,74,0.15) 12px
  );
}

.wave-pattern {
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 8px,
    rgba(200,148,74,0.2) 8px,
    rgba(200,148,74,0.2) 12px,
    transparent 12px,
    transparent 20px
  );
}

.organic-pattern {
  background-image:
    radial-gradient(ellipse at 30% 40%, rgba(200,148,74,0.35) 0%, transparent 50%),
    radial-gradient(ellipse at 70% 60%, rgba(200,148,74,0.25) 0%, transparent 50%);
}

.product-card-img .icon-placeholder {
  font-size: 4rem;
  z-index: 1;
  opacity: 0.9;
  filter: drop-shadow(0 4px 12px rgba(0,0,0,0.3));
}

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

.product-card-category {
  font-size: 0.8rem;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-weight: 500;
  margin-bottom: 8px;
}

.product-card-body h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 12px;
  line-height: 1.4;
}

.product-card-body p {
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 1.6;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-card-link {
  color: var(--color-accent);
  font-weight: 500;
  font-size: 0.95rem;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap var(--transition);
}

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

/* --- Categories Section --- */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}

.category-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  padding: 30px 20px;
  text-align: center;
  transition: all var(--transition);
  cursor: pointer;
}

.category-card:hover {
  background: rgba(255,255,255,0.12);
  border-color: var(--color-accent);
  transform: translateY(-4px);
}

.category-card-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  background: rgba(200,148,74,0.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
}

.category-card h4 {
  font-size: 0.95rem;
  color: #fff;
  font-weight: 500;
}

/* --- Stats --- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}

.stat-item { text-align: center; }

.stat-number {
  font-size: 2.8rem;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  color: rgba(255,255,255,0.7);
  font-size: 0.95rem;
}

/* --- CTA Banner --- */
.cta-banner {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
  border-radius: var(--radius-lg);
  padding: 60px;
  text-align: center;
  color: #fff;
}

.cta-banner h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.cta-banner p {
  font-size: 1.1rem;
  opacity: 0.9;
  margin-bottom: 32px;
  max-width: 500px;
  margin-inline: auto;
}

/* --- Products Page --- */
.page-hero {
  background: var(--color-primary);
  padding: 140px 0 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 50%, rgba(200,148,74,0.08) 0%, transparent 50%),
    radial-gradient(circle at 80% 50%, rgba(200,148,74,0.06) 0%, transparent 50%);
}

.page-hero h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
  position: relative;
}

.page-hero .breadcrumb {
  color: rgba(255,255,255,0.5);
  font-size: 0.9rem;
  position: relative;
}

.page-hero .breadcrumb a { color: var(--color-accent); }

/* --- Search & Filter Bar --- */
.search-filter-bar {
  background: var(--color-bg-card);
  border-bottom: 1px solid var(--color-border);
  padding: 20px 0;
  position: sticky;
  top: var(--header-height);
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

.search-filter-bar .container {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.search-box {
  flex: 1;
  min-width: 240px;
  position: relative;
}

.search-box input {
  width: 100%;
  padding: 12px 16px 12px 44px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  background: var(--color-bg);
  transition: all var(--transition);
}

.search-box input:focus { border-color: var(--color-accent); }

.search-box .search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-light);
  font-size: 1.1rem;
}

.filter-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.filter-tab {
  padding: 10px 20px;
  border-radius: 100px;
  font-size: 0.9rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  color: var(--color-text-light);
  transition: all var(--transition);
  cursor: pointer;
  white-space: nowrap;
}

.filter-tab:hover { border-color: var(--color-accent); color: var(--color-accent); }

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

/* --- Product Detail Page --- */
.product-detail { padding: 120px 0 80px; }

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--color-accent);
  font-weight: 500;
  margin-bottom: 40px;
  font-size: 0.95rem;
}

.product-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  margin-bottom: 80px;
}

.product-gallery { position: relative; }

.product-main-img {
  aspect-ratio: 1;
  background: linear-gradient(135deg, #1a1a2e, #2d2d4a);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 5rem;
  margin-bottom: 16px;
  position: relative;
  overflow: hidden;
}

.product-thumbnails {
  display: flex;
  gap: 12px;
}

.product-thumb {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, #1a1a2e, #2d2d4a);
  border: 2px solid transparent;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  transition: all var(--transition);
}

.product-thumb.active,
.product-thumb:hover { border-color: var(--color-accent); }

.product-info h1 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.product-info .category-tag {
  display: inline-block;
  padding: 4px 14px;
  background: rgba(200,148,74,0.1);
  color: var(--color-accent);
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 20px;
}

.product-description {
  color: var(--color-text-light);
  line-height: 1.75;
  margin-bottom: 30px;
  font-size: 0.95rem;
}

.specs-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 32px;
}

.specs-table tr {
  border-bottom: 1px solid var(--color-border);
}

.specs-table td {
  padding: 14px 0;
  font-size: 0.95rem;
}

.specs-table td:first-child {
  color: var(--color-text-light);
  width: 140px;
  font-weight: 500;
}

.product-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* --- Product Detail Tabs --- */
.detail-tabs {
  margin-bottom: 80px;
}

.tab-nav {
  display: flex;
  border-bottom: 2px solid var(--color-border);
  gap: 8px;
  margin-bottom: 40px;
}

.tab-btn {
  padding: 14px 28px;
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text-light);
  background: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: all var(--transition);
}

.tab-btn.active {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

.tab-content { display: none; }

.tab-content.active { display: block; }

.tab-content p {
  color: var(--color-text-light);
  line-height: 1.8;
  margin-bottom: 16px;
}

.detail-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 24px;
}

.detail-feature {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px;
  background: var(--color-bg);
  border-radius: var(--radius-sm);
}

.detail-feature-icon {
  color: var(--color-accent);
  font-size: 1.2rem;
  flex-shrink: 0;
  margin-top: 2px;
}

/* --- Inquiry / Contact Page --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  padding: 120px 0 80px;
}

.contact-info h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.contact-info > p {
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 32px;
}

.contact-methods { display: flex; flex-direction: column; gap: 20px; margin-bottom: 40px; }

.contact-method {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.contact-method-icon {
  width: 48px;
  height: 48px;
  background: rgba(200,148,74,0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--color-accent);
  flex-shrink: 0;
}

.contact-method h4 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.contact-method p {
  color: var(--color-text-light);
  font-size: 0.9rem;
}

.contact-method a {
  color: var(--color-accent);
  font-weight: 500;
}

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

.social-link {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
  font-size: 1.1rem;
}

.social-link:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}

.contact-form-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-md);
  padding: 40px;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
}

.contact-form-card h3 {
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.contact-form-card > p {
  color: var(--color-text-light);
  margin-bottom: 28px;
  font-size: 0.95rem;
}

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

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

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  background: var(--color-bg);
  transition: all var(--transition);
}

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

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

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

.whatsapp-inquiry {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--color-border);
  text-align: center;
}

.whatsapp-inquiry p {
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin-bottom: 12px;
}

.whatsapp-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  background: #25D366;
  color: #fff;
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-size: 0.95rem;
  transition: all var(--transition);
}

.whatsapp-btn:hover {
  background: #1ea952;
  transform: translateY(-2px);
}

.form-success {
  display: none;
  text-align: center;
  padding: 40px 20px;
}

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

.form-success .success-icon {
  font-size: 3rem;
  margin-bottom: 16px;
}

.form-success h3 { color: var(--color-success); margin-bottom: 8px; }

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

/* --- About Page --- */
.about-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  padding: 120px 0 80px;
}

.about-text h1 {
  font-size: 2.4rem;
  font-weight: 700;
  margin-bottom: 24px;
  line-height: 1.2;
}

.about-text p {
  color: var(--color-text-light);
  line-height: 1.75;
  margin-bottom: 20px;
  font-size: 1rem;
}

.about-image {
  height: 400px;
  background: linear-gradient(135deg, #1a1a2e, #2d2d4a);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 5rem;
  position: relative;
  overflow: hidden;
}

.about-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 30% 40%, rgba(200,148,74,0.15) 0%, transparent 50%),
    radial-gradient(circle at 70% 60%, rgba(200,148,74,0.1) 0%, transparent 50%);
}

.company-info-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 32px;
}

.company-info-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px;
  background: var(--color-bg);
  border-radius: var(--radius-sm);
}

.company-info-item .info-icon {
  color: var(--color-accent);
  font-size: 1.2rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.company-info-item h4 {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.company-info-item p,
.company-info-item a {
  font-size: 0.9rem;
  color: var(--color-text-light);
  word-break: break-all;
}

.company-info-item a:hover { color: var(--color-accent); }

.video-section {
  padding: 80px 0;
  background: var(--color-bg);
}

.video-wrapper {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-primary);
  aspect-ratio: 16 / 9;
  display: flex;
  align-items: center;
  justify-content: center;
}

.video-placeholder {
  text-align: center;
  color: rgba(255,255,255,0.7);
}

.video-placeholder .play-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: #fff;
  transition: all var(--transition);
}

.video-wrapper:hover .play-icon {
  transform: scale(1.08);
  box-shadow: 0 0 0 16px rgba(200,148,74,0.2);
}

/* --- Footer --- */
.footer {
  background: var(--color-primary);
  color: rgba(255,255,255,0.7);
  padding: 60px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand h3 {
  color: #fff;
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 20px;
}

.footer-col h4 {
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 20px;
}

.footer-col a {
  display: block;
  font-size: 0.9rem;
  padding: 6px 0;
  color: rgba(255,255,255,0.6);
  transition: color var(--transition);
}

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

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.85rem;
}

/* --- No Results --- */
.no-results {
  text-align: center;
  padding: 60px 20px;
  grid-column: 1 / -1;
}

.no-results .no-results-icon {
  font-size: 3rem;
  margin-bottom: 16px;
  opacity: 0.5;
}

.no-results h3 {
  font-size: 1.2rem;
  margin-bottom: 8px;
}

.no-results p { color: var(--color-text-light); }

/* --- Animations --- */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.animate-fade-in { animation: fadeIn 0.6s ease both; }
.animate-fade-in-up { animation: fadeInUp 0.6s ease both; }

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }

/* --- Responsive --- */
@media (max-width: 1024px) {
  .features-grid,
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .categories-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .product-detail-grid { grid-template-columns: 1fr; gap: 40px; }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-intro { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav { display: none; }
  .nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-bg-card);
    padding: 16px;
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
    gap: 4px;
  }

  .menu-toggle { display: flex; }

  .features-grid,
  .products-grid { grid-template-columns: 1fr; }
  .categories-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .footer-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .search-filter-bar .container { flex-direction: column; align-items: stretch; }
  .cta-banner { padding: 40px 24px; }
  .detail-features { grid-template-columns: 1fr; }
  .company-info-grid { grid-template-columns: 1fr; }
  .hero-content { padding: 100px 0 60px; }
  .section { padding: 60px 0; }
  .product-detail { padding: 100px 0 60px; }
  .contact-grid { padding: 100px 0 60px; }
  .about-intro { padding: 100px 0 60px; }
}