/* ============================================
   SEATEC SEAL — Marine Rubber Sealing Solutions
   Static Website Stylesheet
   ============================================ */

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

:root {
  /* Brand colors */
  --blue-primary: #0056A0;
  --blue-deep: #003D73;
  --blue-light: #E6F1FB;
  --gray-bg: #F5F7FA;
  --gray-border: #E6E8F0;
  --gray-text: #666666;
  --gray-text-dark: #333333;
  --gray-placeholder: #999999;
  --green-success: #27AE60;
  --orange-warning: #F39C12;
  --white: #FFFFFF;

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Layout */
  --container-width: 1200px;
  --page-width: 1440px;
  --header-height: 72px;

  /* Spacing */
  --space-xs: 8px;
  --space-sm: 16px;
  --space-md: 24px;
  --space-lg: 40px;
  --space-xl: 64px;
  --space-2xl: 80px;

  /* Transitions */
  --transition: 0.3s ease;
}

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

body {
  font-family: var(--font-family);
  color: var(--gray-text-dark);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

/* ---------- Typography ---------- */
h1, h2, h3, h4 { color: var(--gray-text-dark); line-height: 1.3; }
h1 { font-size: 2.5rem; font-weight: 700; }
h2 { font-size: 2rem; font-weight: 700; }
h3 { font-size: 1.25rem; font-weight: 600; }
h4 { font-size: 1.125rem; font-weight: 600; }

.section-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--blue-primary);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--gray-text-dark);
  margin-bottom: 16px;
}

.text-center { text-align: center; }
.text-white { color: var(--white); }
.text-muted { color: var(--gray-text); }

/* ---------- Layout ---------- */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 20px;
}

.section {
  padding: var(--space-2xl) 0;
}

.section-gray { background: var(--gray-bg); }
.section-dark { background: var(--gray-text-dark); }
.section-blue-deep { background: var(--blue-deep); }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--white);
  border-bottom: 1px solid var(--gray-border);
  height: var(--header-height);
  display: flex;
  align-items: center;
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo img {
  height: 36px;
  width: auto;
}

.logo-text {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--blue-primary);
  letter-spacing: 0.5px;
}

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

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

.main-nav a:hover { color: var(--blue-primary); }

.main-nav a.active {
  color: var(--blue-primary);
  font-weight: 600;
}

.main-nav a.active::after {
  content: '';
  position: absolute;
  bottom: -24px;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--blue-primary);
  border-radius: 2px;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 24px;
}

.lang-switch {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.9rem;
  color: var(--gray-text);
}

.lang-select {
  appearance: none;
  -webkit-appearance: none;
  background: transparent;
  border: 1px solid var(--border-gray);
  border-radius: 6px;
  padding: 5px 26px 5px 10px;
  font-size: 0.85rem;
  color: var(--gray-text);
  font-family: var(--font-family);
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23666666' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 8px center;
}
.lang-select:focus { outline: none; border-color: var(--blue-primary); }

.btn-ghost {
  background: transparent;
  color: var(--blue-primary);
  border: 1px solid var(--border-gray);
  padding: 10px 18px;
  font-size: 0.85rem;
}
.btn-ghost:hover { border-color: var(--blue-primary); background: rgba(0, 86, 160, 0.06); }
.btn-whitepaper span { white-space: nowrap; }

/* Download dropdown */
.download-wrap { position: relative; }
.dropdown-caret { transition: transform var(--transition); }
.download-wrap.open .dropdown-caret,
#downloadBtn[aria-expanded="true"] .dropdown-caret { transform: rotate(180deg); }
.download-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 180px;
  background: var(--white);
  border: 1px solid var(--gray-border);
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.12);
  padding: 6px;
  display: none;
  flex-direction: column;
  z-index: 1100;
}
.download-menu.open { display: flex; }
.download-item {
  padding: 10px 14px;
  font-size: 0.9rem;
  color: var(--gray-text-dark);
  border-radius: 6px;
  white-space: nowrap;
  transition: background var(--transition), color var(--transition);
}
.download-item:hover { background: var(--blue-light); color: var(--blue-primary); }
.download-item[aria-disabled="true"] { color: var(--gray-placeholder); cursor: default; }
.download-item[aria-disabled="true"]:hover { background: transparent; color: var(--gray-placeholder); }

/* Certification image placeholders (homepage trust) */
.cert-images {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 24px;
}
.cert-image-box {
  position: relative;
  background: var(--gray-bg);
  border: 1px dashed var(--gray-border);
  border-radius: 8px;
  height: 120px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.cert-image-box .img-placeholder { width: 100%; height: 100%; }
.cert-image-box img { width: 100%; height: 100%; object-fit: contain; }
.cert-image-name {
  position: absolute;
  bottom: 6px; left: 0; right: 0;
  text-align: center;
  font-size: 0.75rem;
  color: var(--gray-text);
  background: rgba(255,255,255,0.85);
  padding: 2px 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  font-size: 0.95rem;
  font-weight: 600;
  font-family: var(--font-family);
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}

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

.btn-primary:hover {
  background: var(--blue-deep);
  transform: translateY(-1px);
}

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

.btn-outline:hover {
  background: var(--blue-primary);
  color: var(--white);
}

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

.btn-white:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.btn-lg { padding: 16px 36px; font-size: 1.05rem; }
.btn-block { width: 100%; }

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}

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

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 560px;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--blue-deep) 0%, var(--blue-primary) 100%);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background-image: url('../images/hero-bg.jpg');
  background-size: cover;
  background-position: center;
  opacity: 0.4;
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: 80px 0;
}

.hero h1 {
  color: var(--white);
  font-size: 3rem;
  font-weight: 700;
  max-width: 720px;
  margin-bottom: 24px;
  line-height: 1.2;
}

.hero p {
  color: rgba(255,255,255,0.85);
  font-size: 1.125rem;
  max-width: 560px;
  margin-bottom: 32px;
}

.hero-stats {
  display: flex;
  gap: 48px;
  margin-top: 48px;
}

.hero-stat .stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1;
}

.hero-stat .stat-label {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.7);
  margin-top: 8px;
}

/* ---------- Product Category Cards (Homepage) ---------- */
.product-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.product-card {
  background: var(--white);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  transition: transform var(--transition), box-shadow var(--transition);
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.12);
}

.product-card-image {
  width: 100%;
  height: 240px;
  background: var(--gray-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.product-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

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

.product-card-body h3 {
  margin-bottom: 8px;
}

.product-card-body p {
  color: var(--gray-text);
  font-size: 0.9rem;
  margin-bottom: 16px;
}

.product-card-link {
  color: var(--blue-primary);
  font-weight: 600;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap var(--transition);
}

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

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

.advantage-card {
  background: var(--white);
  border-radius: 12px;
  padding: 32px 24px;
  text-align: center;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}

.advantage-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  background: var(--blue-light);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.advantage-icon svg {
  width: 28px;
  height: 28px;
}

.advantage-card h4 {
  margin-bottom: 8px;
}

.advantage-card p {
  font-size: 0.875rem;
  color: var(--gray-text);
}

/* ---------- Trust Section ---------- */
.trust-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.trust-left h2 { margin-bottom: 24px; }

.cert-badges {
  display: flex;
  gap: 24px;
  margin-top: 24px;
}

.cert-badge {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 24px;
  background: var(--white);
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.cert-badge-circle {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--blue-primary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-weight: 700;
  font-size: 0.75rem;
  line-height: 1.1;
}

.cert-badge-info .cert-name {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--gray-text-dark);
}

.cert-badge-info .cert-desc {
  font-size: 0.8rem;
  color: var(--gray-text);
}

.trust-photos {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 12px;
  height: 400px;
}

.trust-photo {
  background: var(--gray-bg);
  border-radius: 8px;
  overflow: hidden;
}

.trust-photo:first-child {
  grid-row: span 2;
}

.trust-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- About Brief ---------- */
.about-brief {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.about-brief-text h2 { color: var(--white); margin-bottom: 24px; }
.about-brief-text p { color: rgba(255,255,255,0.85); margin-bottom: 16px; }

.about-brief-image {
  border-radius: 12px;
  overflow: hidden;
  height: 360px;
  background: rgba(255,255,255,0.1);
}

.about-brief-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- Contact Section (Homepage) ---------- */
.contact-section {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 48px;
}

.contact-info h2 { margin-bottom: 16px; }

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

.contact-info-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--blue-light);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-info-item .info-label {
  font-size: 0.85rem;
  color: var(--gray-text);
}

.contact-info-item .info-value {
  font-weight: 600;
  color: var(--gray-text-dark);
}

/* ---------- Forms ---------- */
.form-card {
  background: var(--white);
  border-radius: 12px;
  padding: 40px;
  box-shadow: 0 2px 16px rgba(0,0,0,0.06);
}

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

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

.form-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--gray-text-dark);
  margin-bottom: 8px;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 12px 16px;
  font-size: 0.95rem;
  font-family: var(--font-family);
  color: var(--gray-text-dark);
  background: var(--white);
  border: 1px solid var(--gray-border);
  border-radius: 8px;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--blue-primary);
  box-shadow: 0 0 0 3px rgba(0, 86, 160, 0.1);
}

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

.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 24px;
}

.form-checkbox input[type="checkbox"] {
  width: 20px;
  height: 20px;
  margin-top: 2px;
  accent-color: var(--blue-primary);
  flex-shrink: 0;
}

.form-checkbox label {
  font-size: 0.85rem;
  color: var(--gray-text);
  line-height: 1.5;
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--blue-deep);
  color: rgba(255,255,255,0.8);
  padding: 64px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand .logo-text { color: var(--white); }
.footer-brand p {
  font-size: 0.9rem;
  margin-top: 16px;
  max-width: 320px;
  line-height: 1.6;
}

.footer-col h4 {
  color: var(--white);
  font-size: 1rem;
  margin-bottom: 16px;
}

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

.footer-col a {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.7);
  transition: color var(--transition);
}

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

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
}

.footer-social {
  display: flex;
  gap: 16px;
}

.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition);
}

.footer-social a:hover { background: rgba(255,255,255,0.2); }

/* ---------- Division Buttons (Contact page) ---------- */
.division-buttons {
  display: flex;
  gap: 24px;
  justify-content: center;
  flex-wrap: wrap;
}

.division-btn {
  min-width: 280px;
  text-align: center;
}

/* ---------- Page Header (inner pages) ---------- */
.page-header {
  background: var(--blue-deep);
  padding: 64px 0;
  text-align: center;
}

.breadcrumb {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.7);
  margin-bottom: 16px;
}

.breadcrumb a { color: rgba(255,255,255,0.7); }
.breadcrumb a:hover { color: var(--white); }
.breadcrumb span { margin: 0 8px; }

.page-header h1 {
  color: var(--white);
  margin-bottom: 12px;
}

.page-header p {
  color: rgba(255,255,255,0.8);
  font-size: 1.1rem;
}

/* ---------- Products Page ---------- */
.filter-tabs {
  display: flex;
  gap: 12px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.filter-tab {
  padding: 8px 24px;
  font-size: 0.9rem;
  font-weight: 500;
  font-family: var(--font-family);
  background: var(--white);
  border: 1px solid var(--gray-border);
  border-radius: 24px;
  cursor: pointer;
  transition: all var(--transition);
  color: var(--gray-text);
}

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

.filter-tab.active {
  background: var(--blue-primary);
  color: var(--white);
  border-color: var(--blue-primary);
}

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

.product-item {
  background: var(--white);
  border: 1px solid var(--gray-border);
  border-radius: 12px;
  overflow: hidden;
  transition: box-shadow var(--transition), transform var(--transition);
}

.product-item:hover {
  box-shadow: 0 8px 24px rgba(0,0,0,0.1);
  transform: translateY(-2px);
}

.product-item-image {
  width: 100%;
  height: 200px;
  background: var(--gray-bg);
  overflow: hidden;
}

.product-item-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-item-body {
  padding: 20px;
}

.product-item-category {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--blue-primary);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 8px;
}

.product-item-name {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--gray-text-dark);
  margin-bottom: 8px;
}

.product-item-desc {
  font-size: 0.85rem;
  color: var(--gray-text);
  margin-bottom: 12px;
  line-height: 1.5;
}

.product-item-specs {
  font-size: 0.8rem;
  color: var(--gray-text);
  margin-bottom: 16px;
  padding-top: 12px;
  border-top: 1px solid var(--gray-border);
}

.product-item-specs div {
  margin-bottom: 4px;
}

.product-item-btn {
  width: 100%;
  padding: 10px;
  font-size: 0.9rem;
  font-weight: 600;
  font-family: var(--font-family);
  background: var(--blue-light);
  color: var(--blue-primary);
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: all var(--transition);
}

.product-item-btn:hover {
  background: var(--blue-primary);
  color: var(--white);
}

/* ---------- About Page ---------- */
.about-story {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.about-story-image {
  border-radius: 12px;
  overflow: hidden;
  height: 400px;
  background: var(--gray-bg);
}

.about-story-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-facts {
  display: flex;
  gap: 48px;
  margin-top: 32px;
}

.about-fact .fact-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--blue-primary);
  line-height: 1;
}

.about-fact .fact-label {
  font-size: 0.85rem;
  color: var(--gray-text);
  margin-top: 4px;
}

.advantages-section .advantages-grid {
  grid-template-columns: repeat(2, 1fr);
  max-width: 800px;
  margin: 0 auto;
}

.advantage-card-large {
  text-align: left;
  padding: 32px;
}

.advantage-card-large .advantage-icon {
  margin: 0 0 16px 0;
}

/* Factory Showcase */
.factory-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.factory-card {
  border-radius: 12px;
  overflow: hidden;
}

.factory-card-image {
  width: 100%;
  height: 240px;
  background: var(--gray-bg);
  overflow: hidden;
}

.factory-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.factory-card h4 {
  text-align: center;
  margin-top: 16px;
}

/* Certifications */
.cert-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  max-width: 800px;
  margin: 0 auto;
}

.cert-card {
  background: var(--white);
  border-radius: 12px;
  padding: 40px;
  text-align: center;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}

.cert-card-badge {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--blue-primary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--white);
  margin: 0 auto 20px;
}

.cert-card-badge .badge-text {
  font-size: 1.125rem;
  font-weight: 700;
  line-height: 1;
}

.cert-card-badge .badge-sub {
  font-size: 0.625rem;
  margin-top: 2px;
  opacity: 0.8;
}

/* ---------- Quality Assurance Grid ---------- */
.qa-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.qa-card {
  background: var(--white);
  border: 1px solid var(--border-gray);
  border-radius: 12px;
  padding: 24px;
  text-align: center;
  box-shadow: 0 2px 12px rgba(0,0,0,0.05);
}
.qa-card-image {
  width: 100%;
  height: 140px;
  border-radius: 8px;
  overflow: hidden;
  background: var(--gray-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}
.qa-card-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.qa-card h4 {
  margin: 0 0 8px;
  font-size: 1.05rem;
}

/* ---------- Contact Page ---------- */
.contact-main {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 40px;
  align-items: start;
}

.contact-info-cards {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-info-card {
  background: var(--white);
  border-radius: 8px;
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.contact-info-card .icon-circle {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--blue-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-info-card .info-label {
  font-size: 0.85rem;
  color: var(--gray-text);
}

.contact-info-card .info-value {
  font-weight: 600;
  font-size: 1rem;
  color: var(--gray-text-dark);
}

/* Map placeholder */
.map-container {
  width: 100%;
  height: 420px;
  background: var(--gray-bg);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.map-fallback {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 24px;
  color: var(--gray-placeholder);
}

.map-fallback p { margin: 4px 0; }

/* ---------- CTA Section ---------- */
.cta-section {
  background: var(--blue-deep);
  text-align: center;
  padding: 80px 0;
}

.cta-section h2 {
  color: var(--white);
  margin-bottom: 16px;
}

.cta-section p {
  color: rgba(255,255,255,0.8);
  font-size: 1.1rem;
  margin-bottom: 32px;
}

/* ---------- Image Placeholders ---------- */
.img-placeholder {
  background: var(--gray-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-placeholder);
  font-size: 0.85rem;
}

.img-placeholder svg {
  width: 48px;
  height: 48px;
  margin-bottom: 8px;
  opacity: 0.4;
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .product-cards { grid-template-columns: repeat(2, 1fr); }
  .advantages-grid { grid-template-columns: repeat(2, 1fr); }
  .products-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  
  .main-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 24px;
    gap: 16px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.1);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
  }

  .main-nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .main-nav a.active::after { display: none; }

  .header-right .lang-switch { display: flex; gap: 6px; order: 3; }

  .hero h1 { font-size: 2rem; }
  .hero-stats { flex-wrap: wrap; gap: 24px; }
  .hero-stat .stat-number { font-size: 1.75rem; }

  .product-cards { grid-template-columns: 1fr; }
  .advantages-grid { grid-template-columns: 1fr; }
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  
  .trust-section,
  .about-brief,
  .about-story,
  .contact-section,
  .contact-main {
    grid-template-columns: 1fr;
  }

  .trust-photos { height: 300px; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 16px; }
  .qa-grid { grid-template-columns: 1fr; }
  
  .section { padding: 48px 0; }
  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }
}

@media (max-width: 480px) {
  .products-grid { grid-template-columns: 1fr; }
  .factory-grid { grid-template-columns: 1fr; }
  .cert-grid { grid-template-columns: 1fr; }
  .cert-images { grid-template-columns: 1fr; }
  .about-facts { flex-direction: column; gap: 16px; }
  .hero h1 { font-size: 1.5rem; }
  .form-card { padding: 24px; }
}

/* FAQ */
.faq-list { max-width: 880px; margin: 0 auto; }
.faq-item { padding: 28px 0; border-bottom: 1px solid #E6E8F0; }
.faq-item:last-of-type { border-bottom: none; }
.faq-q { display: flex; align-items: flex-start; gap: 12px; font-size: 1.15rem; color: #003D73; margin-bottom: 12px; line-height: 1.4; }
.faq-num { flex: 0 0 auto; width: 28px; height: 28px; border-radius: 50%; background: #0056A0; color: #fff; font-size: .85rem; display: inline-flex; align-items: center; justify-content: center; margin-top: 2px; }
.faq-a { color: #555; line-height: 1.7; margin: 0; padding-left: 40px; }
@media (max-width: 480px) {
  .faq-a { padding-left: 0; }
}