/* ============================================================
   Junliang Silicone — Main Stylesheet
   Palette: Blue #1a5fb4 / White / Grey / Accent Orange #e67e22
   Mobile-first, breakpoints: 375 / 768 / 1024 / 1440
   ============================================================ */

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.6;
  color: #2c3e50;
  background: #ffffff;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: #1a5fb4; text-decoration: none; transition: color .2s; }
a:hover { color: #e67e22; }
h1, h2, h3, h4, h5, h6 { line-height: 1.25; font-weight: 700; color: #1a2a3a; }
p { margin-bottom: 1rem; }
ul, ol { padding-left: 1.5rem; margin-bottom: 1rem; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

/* ---------- CSS Variables ---------- */
:root {
  --blue-dark: #0f3d7a;
  --blue-primary: #1a5fb4;
  --blue-light: #3b82f6;
  --blue-bg: #f0f6ff;
  --accent: #e67e22;
  --accent-hover: #d35400;
  --grey-50: #fafbfc;
  --grey-100: #f1f3f5;
  --grey-200: #e4e7eb;
  --grey-300: #c8cdd4;
  --grey-500: #6b7280;
  --grey-700: #374151;
  --grey-900: #111827;
  --white: #ffffff;
  --max-width: 1280px;
  --radius-sm: 4px;
  --radius: 8px;
  --radius-lg: 12px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.08);
  --shadow: 0 4px 12px rgba(0,0,0,.1);
  --shadow-lg: 0 8px 30px rgba(0,0,0,.12);
  --header-h: 68px;
}

/* ---------- Container ---------- */
.container { width: 100%; max-width: var(--max-width); margin: 0 auto; padding: 0 16px; }
@media (min-width: 768px) { .container { padding: 0 24px; } }
@media (min-width: 1024px) { .container { padding: 0 32px; } }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 24px; border-radius: var(--radius); font-weight: 600;
  font-size: 15px; transition: all .25s ease; text-decoration: none; cursor: pointer;
  border: 2px solid transparent; white-space: nowrap;
}
.btn-primary { background: var(--blue-primary); color: var(--white); }
.btn-primary:hover { background: var(--blue-dark); color: var(--white); transform: translateY(-1px); box-shadow: var(--shadow); }
.btn-accent { background: var(--accent); color: var(--white); }
.btn-accent:hover { background: var(--accent-hover); color: var(--white); transform: translateY(-1px); }
.btn-outline { background: transparent; border-color: var(--blue-primary); color: var(--blue-primary); }
.btn-outline:hover { background: var(--blue-primary); color: var(--white); }
.btn-white { background: var(--white); color: var(--blue-primary); }
.btn-white:hover { background: var(--grey-100); color: var(--blue-dark); }
.btn-lg { padding: 16px 32px; font-size: 16px; }
.btn-sm { padding: 8px 16px; font-size: 14px; }
.btn-whatsapp { background: #25D366; color: var(--white); }
.btn-whatsapp:hover { background: #1ea855; color: var(--white); }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: var(--white); box-shadow: var(--shadow-sm);
  height: var(--header-h);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 100%; gap: 16px;
}
.logo { display: flex; align-items: center; gap: 10px; color: var(--blue-primary); font-weight: 700; font-size: 18px; }
.logo svg { width: 36px; height: 36px; }
.logo-text { font-weight: 700; color: var(--blue-dark); font-size: 16px; letter-spacing: .04em; text-transform: uppercase; white-space: nowrap; }

/* Desktop nav */
.main-nav { display: none; }
.main-nav a {
  color: var(--grey-700); font-weight: 500; padding: 8px 12px; border-radius: var(--radius-sm);
}
.main-nav a:hover, .main-nav a.active { color: var(--blue-primary); background: var(--blue-bg); }

@media (min-width: 1024px) {
  .main-nav { display: flex; gap: 4px; align-items: center; }
}

/* Language switcher */
.lang-switcher { position: relative; }
.lang-switcher-btn {
  display: flex; align-items: center; gap: 6px; padding: 8px 12px;
  border: 1px solid var(--grey-200); border-radius: var(--radius);
  font-size: 14px; color: var(--grey-700); background: var(--white);
}
.lang-switcher-btn:hover { border-color: var(--blue-primary); color: var(--blue-primary); }
.lang-switcher-dropdown {
  display: none; position: absolute; top: calc(100% + 8px); right: 0;
  background: var(--white); border: 1px solid var(--grey-200); border-radius: var(--radius);
  box-shadow: var(--shadow-lg); min-width: 180px; z-index: 200; padding: 8px;
}
.lang-switcher.open .lang-switcher-dropdown { display: block; }
.lang-switcher-dropdown a {
  display: block; padding: 8px 12px; border-radius: var(--radius-sm);
  font-size: 14px; color: var(--grey-700);
}
.lang-switcher-dropdown a:hover { background: var(--blue-bg); color: var(--blue-primary); }
.lang-switcher-dropdown a.active { background: var(--blue-primary); color: var(--white); }

/* Mobile menu button */
.mobile-menu-btn { display: flex; align-items: center; justify-content: center; width: 40px; height: 40px; }
@media (min-width: 1024px) { .mobile-menu-btn { display: none; } }

/* Mobile menu panel */
.mobile-menu {
  display: none; position: fixed; top: var(--header-h); left: 0; right: 0; bottom: 0;
  background: var(--white); z-index: 90; overflow-y: auto; padding: 24px;
}
.mobile-menu.open { display: block; }
@media (min-width: 1024px) { .mobile-menu { display: none !important; } }
.mobile-menu a {
  display: block; padding: 14px 0; font-size: 17px; font-weight: 500;
  color: var(--grey-700); border-bottom: 1px solid var(--grey-200);
}
.mobile-menu a:hover, .mobile-menu a.active { color: var(--blue-primary); }

/* ---------- Hero ---------- */
.hero {
  position: relative; min-height: 420px;
  background: linear-gradient(135deg, var(--blue-dark) 0%, var(--blue-primary) 100%);
  color: var(--white); display: flex; align-items: center;
  padding: 60px 0; overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; inset: 0;
  background: repeating-linear-gradient(45deg, transparent, transparent 30px, rgba(255,255,255,.03) 30px, rgba(255,255,255,.03) 60px);
}
.hero-content { position: relative; z-index: 2; max-width: 960px; }
.hero h1 { font-size: 32px; margin-bottom: 16px; color: var(--white); font-weight: 800; text-wrap: balance; }
.hero p { font-size: 17px; margin-bottom: 28px; opacity: .92; max-width: 720px; }
.hero-buttons { display: flex; flex-wrap: wrap; gap: 12px; }
@media (min-width: 768px) {
  .hero { min-height: 520px; padding: 80px 0; }
  .hero h1 { font-size: 44px; }
  .hero p { font-size: 19px; }
}
@media (min-width: 1024px) {
  .hero { min-height: 600px; padding: 100px 0; }
  .hero h1 { font-size: 46px; line-height: 1.12; letter-spacing: -.01em; }
}
@media (max-width: 767px) {
  .hero-content { max-width: 100%; }
}

/* Breadcrumb hero (inner pages) */
.page-hero {
  background: linear-gradient(135deg, var(--blue-dark) 0%, var(--blue-primary) 100%);
  color: var(--white); padding: 60px 0 40px;
}
.page-hero h1 { color: var(--white); font-size: 28px; margin-bottom: 12px; }
.breadcrumb { font-size: 14px; color: rgba(255,255,255,.8); }
.breadcrumb a { color: rgba(255,255,255,.8); }
.breadcrumb a:hover { color: var(--white); }
.breadcrumb span.sep { margin: 0 6px; opacity: .6; }
@media (min-width: 768px) {
  .page-hero { padding: 80px 0 50px; }
  .page-hero h1 { font-size: 36px; }
}

/* ---------- Section common ---------- */
.section { padding: 56px 0; }
.section-alt { background: var(--grey-50); }
.section-blue { background: var(--blue-bg); }
.section-header { text-align: center; margin-bottom: 40px; }
.section-header h2 { font-size: 26px; margin-bottom: 12px; }
.section-header p { color: var(--grey-500); max-width: 640px; margin: 0 auto; }
@media (min-width: 768px) {
  .section { padding: 72px 0; }
  .section-header h2 { font-size: 32px; }
}
@media (min-width: 1024px) {
  .section { padding: 88px 0; }
  .section-header h2 { font-size: 36px; }
}

/* ---------- Trust Bar ---------- */
.trust-bar {
  background: var(--white); padding: 24px 0; border-bottom: 1px solid var(--grey-200);
}
.trust-grid {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 24px;
}
.trust-item {
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  padding: 12px; min-width: 110px; text-align: center;
}
.trust-item .badge {
  width: 64px; height: 64px; border-radius: 50%;
  background: var(--blue-bg); display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 13px; color: var(--blue-primary); text-align: center; line-height: 1.1;
}
.trust-item span { font-size: 13px; color: var(--grey-700); }

/* ---------- Stats ---------- */
.stats-section { background: var(--blue-bg); padding: 48px 0; }
.stats-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; text-align: center;
}
.stat-number { font-size: 36px; font-weight: 800; color: var(--blue-primary); line-height: 1; }
.stat-label { font-size: 14px; color: var(--grey-700); margin-top: 6px; }
@media (min-width: 768px) {
  .stats-grid { grid-template-columns: repeat(4, 1fr); gap: 32px; }
  .stat-number { font-size: 44px; }
}

/* ---------- Grids ---------- */
.grid-2 { display: grid; grid-template-columns: 1fr; gap: 24px; }
.grid-3 { display: grid; grid-template-columns: 1fr; gap: 24px; }
.grid-4 { display: grid; grid-template-columns: 1fr; gap: 20px; }
@media (min-width: 576px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); gap: 16px; }
}
@media (min-width: 768px) {
  .grid-3 { grid-template-columns: repeat(3, 1fr); gap: 28px; }
  .grid-4 { grid-template-columns: repeat(3, 1fr); gap: 20px; }
}
@media (min-width: 1024px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); gap: 36px; }
  .grid-4 { grid-template-columns: repeat(4, 1fr); gap: 24px; }
}

/* ---------- Category / Application Cards ---------- */
.card {
  background: var(--white); border: 1px solid var(--grey-200); border-radius: var(--radius-lg);
  padding: 24px; transition: all .25s ease; display: flex; flex-direction: column;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--blue-light); }
.card .icon {
  width: 48px; height: 48px; border-radius: var(--radius);
  background: var(--blue-bg); display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px; font-size: 24px;
}
.card h3 { font-size: 17px; margin-bottom: 8px; }
.card p { font-size: 14px; color: var(--grey-500); margin-bottom: 16px; flex-grow: 1; }
.card .link { font-weight: 600; font-size: 14px; color: var(--blue-primary); }

/* Application card */
.app-card {
  position: relative; border-radius: var(--radius-lg); overflow: hidden;
  aspect-ratio: 4/3; background: var(--grey-100);
  display: flex; align-items: flex-end; min-height: 200px;
}
.app-card::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(15,61,122,.9) 0%, rgba(15,61,122,.3) 50%, rgba(15,61,122,.1) 100%);
}
.app-card .app-label {
  position: relative; z-index: 2; color: var(--white);
  padding: 20px; font-size: 16px; font-weight: 600;
}

/* ---------- Why Choose Us ---------- */
.why-grid {
  display: grid; grid-template-columns: 1fr; gap: 20px;
}
.why-item { display: flex; gap: 14px; align-items: flex-start; }
.why-item .icon {
  flex-shrink: 0; width: 44px; height: 44px; border-radius: var(--radius);
  background: var(--blue-bg); display: flex; align-items: center; justify-content: center;
  font-size: 20px;
}
.why-item h4 { font-size: 15px; margin-bottom: 4px; }
.why-item p { font-size: 13px; color: var(--grey-500); margin: 0; }
@media (min-width: 576px) { .why-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .why-grid { grid-template-columns: repeat(3, 1fr); gap: 28px; } }

/* ---------- Factory Preview ---------- */
.factory-gallery {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; align-items: start;
}
.factory-gallery .gal-item {
  background: var(--white); border-radius: var(--radius);
  overflow: hidden; position: relative;
}
.factory-gallery .gal-item img { width: 100%; height: auto; object-fit: contain; display: block; }
.factory-link { text-align: center; margin-top: 20px; }
@media (min-width: 768px) {
  .factory-gallery { grid-template-columns: repeat(4, 1fr); }
}
/* Sub-heading that splits a combined gallery by product line */
.gal-group-title {
  margin: 30px 0 14px; font-size: 18px; font-weight: 700; line-height: 1.3;
  color: var(--blue-dark); padding-left: 12px; border-left: 4px solid var(--blue-primary);
}
.gal-group-title + .factory-gallery { margin-bottom: 8px; }

/* ---------- Featured Products ---------- */
.product-card {
  background: var(--white); border: 1px solid var(--grey-200); border-radius: var(--radius-lg);
  overflow: hidden; transition: all .25s;
}
.product-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--blue-light); }
.product-card .img-wrap {
  background: var(--white); overflow: hidden;
  display: flex; align-items: center; justify-content: center;
}
.product-card .img-wrap img { width: 100%; height: auto; object-fit: contain; display: block; }
.product-card .body { padding: 18px; }
.product-card h3 { font-size: 15px; margin-bottom: 4px; }
.product-card .model { font-size: 12px; color: var(--grey-500); font-family: monospace; }
.product-card .desc { font-size: 13px; color: var(--grey-500); margin-top: 6px; min-height: 40px; }
.product-card .actions { display: flex; gap: 8px; margin-top: 12px; }
.product-card .actions .btn { flex: 1; padding: 8px 12px; font-size: 13px; }

/* ---------- Process Steps ---------- */
.process-steps {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 0;
}
.process-step {
  flex: 1 1 120px; min-width: 110px; text-align: center; padding: 20px 12px;
  position: relative;
}
.process-step .num {
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--blue-primary); color: var(--white);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; margin: 0 auto 12px;
}
.process-step span { font-size: 13px; font-weight: 500; color: var(--grey-700); }
@media (min-width: 768px) {
  .process-steps::after {
    content: ''; position: absolute;
  }
}

/* ---------- Project Gallery ---------- */
.project-grid {
  display: grid; grid-template-columns: 1fr; gap: 16px;
}
.project-card {
  background: var(--white); border: 1px solid var(--grey-200); border-radius: var(--radius);
  overflow: hidden;
}
.project-card .img-wrap { aspect-ratio: 16/10; background: var(--grey-100); }
.project-card .info { padding: 16px; }
.project-card .info h4 { font-size: 15px; margin-bottom: 4px; }
.project-card .info .meta { font-size: 13px; color: var(--grey-500); }
@media (min-width: 576px) { .project-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .project-grid { grid-template-columns: repeat(3, 1fr); } }

/* ---------- Final CTA Band ---------- */
.final-cta {
  background: linear-gradient(135deg, var(--blue-dark) 0%, var(--blue-primary) 100%);
  color: var(--white); text-align: center; padding: 64px 0;
}
.final-cta h2 { color: var(--white); font-size: 28px; margin-bottom: 12px; }
.final-cta p { font-size: 16px; opacity: .9; margin-bottom: 24px; }
.final-cta .hero-buttons { justify-content: center; }
@media (min-width: 768px) {
  .final-cta h2 { font-size: 36px; }
  .final-cta { padding: 80px 0; }
}

/* ---------- Blog Preview ---------- */
.blog-card {
  background: var(--white); border: 1px solid var(--grey-200); border-radius: var(--radius-lg);
  overflow: hidden;
}
.blog-card .img-wrap { aspect-ratio: 16/10; background: var(--grey-100); }
.blog-card .body { padding: 18px; }
.blog-card .date { font-size: 12px; color: var(--grey-500); }
.blog-card h3 { font-size: 16px; margin: 6px 0; }
.blog-card h3 a { color: var(--grey-900); }
.blog-card h3 a:hover { color: var(--blue-primary); }
.blog-card .excerpt { font-size: 14px; color: var(--grey-500); margin: 0; }

/* ---------- Product Detail ---------- */
.product-detail-top {
  display: grid; grid-template-columns: 1fr; gap: 32px; padding: 40px 0;
}
@media (min-width: 768px) {
  .product-detail-top { grid-template-columns: 1fr 1fr; padding: 48px 0; }
}
.product-gallery {
  aspect-ratio: 1; background: var(--grey-100); border-radius: var(--radius-lg);
  overflow: hidden; display: flex; align-items: center; justify-content: center;
}
.product-info h1 { font-size: 26px; margin-bottom: 8px; }
@media (min-width: 768px) { .product-info h1 { font-size: 30px; } }
.product-meta { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 16px; align-items: center; }
.brand-badge {
  display: inline-block; padding: 4px 12px; border-radius: 999px;
  background: var(--accent); color: var(--white); font-size: 12px; font-weight: 600;
}
.model-badge {
  font-family: monospace; font-size: 14px; color: var(--grey-700);
  padding: 4px 10px; background: var(--grey-100); border-radius: var(--radius-sm);
}
.short-desc { color: var(--grey-700); margin-bottom: 20px; }

/* Tabs */
.tabs { display: flex; flex-wrap: wrap; gap: 8px; border-bottom: 1px solid var(--grey-200); margin-bottom: 24px; }
.tab-btn {
  padding: 12px 18px; font-weight: 600; font-size: 14px; color: var(--grey-500);
  border-bottom: 3px solid transparent; margin-bottom: -1px;
}
.tab-btn.active { color: var(--blue-primary); border-bottom-color: var(--blue-primary); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* Technical Data Table */
.tech-table {
  width: 100%; border-collapse: collapse; font-size: 14px; margin-bottom: 24px;
  border: 1px solid var(--grey-200); border-radius: var(--radius); overflow: hidden;
}
.tech-table th, .tech-table td {
  padding: 10px 14px; text-align: left; border-bottom: 1px solid var(--grey-200);
}
.tech-table th {
  background: var(--blue-bg); color: var(--blue-dark); font-weight: 600;
}
.tech-table tr:last-child td { border-bottom: none; }
.tech-table td:first-child { font-weight: 500; color: var(--grey-700); }

/* ---------- Product filter tabs ---------- */
.filter-tabs {
  display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 32px;
}
.filter-tab {
  padding: 10px 20px; border: 1px solid var(--grey-200); border-radius: var(--radius);
  font-weight: 500; font-size: 14px; color: var(--grey-700); background: var(--white);
}
.filter-tab.active { background: var(--blue-primary); border-color: var(--blue-primary); color: var(--white); }
.filter-tab:hover:not(.active) { border-color: var(--blue-primary); color: var(--blue-primary); }

/* ---------- Forms ---------- */
.form-group { margin-bottom: 18px; }
.form-group label {
  display: block; font-weight: 500; font-size: 14px; margin-bottom: 6px;
  color: var(--grey-700);
}
.form-group label .req { color: #e74c3c; }
.form-control {
  width: 100%; padding: 12px 14px; border: 1px solid var(--grey-300);
  border-radius: var(--radius); font-size: 15px; font-family: inherit;
  transition: border-color .2s, box-shadow .2s;
  background: var(--white); color: var(--grey-900);
}
.form-control:focus {
  outline: none; border-color: var(--blue-primary);
  box-shadow: 0 0 0 3px rgba(26,95,180,.15);
}
textarea.form-control { min-height: 120px; resize: vertical; }
select.form-control { appearance: auto; }
.form-row { display: grid; grid-template-columns: 1fr; gap: 16px; }
@media (min-width: 576px) { .form-row { grid-template-columns: repeat(2, 1fr); } }
/* ---------- Phone / IM fields ---------- */
.phone-group { display: flex; gap: 8px; }
.phone-group .phone-code { flex: 0 0 118px; width: 118px; padding-inline: 8px; font-size: 14px; }
.phone-group .form-control:last-child { flex: 1 1 auto; min-width: 0; }
.form-group label .opt { font-weight: 400; font-size: 12px; color: var(--grey-500); }
@media (max-width: 400px) { .phone-group .phone-code { flex-basis: 96px; width: 96px; } }
.form-error { color: #e74c3c; font-size: 13px; margin-top: 6px; display: none; }
.form-success {
  background: #d4edda; color: #155724; padding: 14px; border-radius: var(--radius);
  display: none; margin-bottom: 20px;
}

/* ---------- Contact info ---------- */
.contact-grid {
  display: grid; grid-template-columns: 1fr; gap: 32px; padding: 40px 0;
}
@media (min-width: 768px) { .contact-grid { grid-template-columns: 1fr 1fr; } }
.contact-item { display: flex; gap: 12px; margin-bottom: 18px; }
.contact-item .icon {
  width: 40px; height: 40px; flex-shrink: 0; border-radius: var(--radius);
  background: var(--blue-bg); display: flex; align-items: center; justify-content: center;
  font-size: 18px;
}
.contact-item h4 { font-size: 15px; margin-bottom: 2px; }
.contact-item p, .contact-item a { font-size: 14px; color: var(--grey-700); margin: 0; }

/* Map placeholder */
.map-placeholder {
  width: 100%; aspect-ratio: 16/9; background: var(--grey-100);
  border-radius: var(--radius); display: flex; align-items: center; justify-content: center;
  color: var(--grey-500); font-size: 14px;
}

/* ---------- FAQ ---------- */
.faq-item { border-bottom: 1px solid var(--grey-200); }
.faq-q {
  width: 100%; padding: 18px 0; font-size: 15px; font-weight: 600;
  text-align: left; color: var(--grey-900); display: flex; justify-content: space-between;
  align-items: center; gap: 12px; background: none;
}
.faq-q .chev { transition: transform .25s; font-size: 12px; }
.faq-item.open .faq-q .chev { transform: rotate(180deg); }
.faq-a {
  max-height: 0; overflow: hidden; transition: max-height .3s ease, padding .3s;
  color: var(--grey-700); font-size: 15px;
}
.faq-item.open .faq-a { max-height: 600px; padding-bottom: 18px; }

/* ---------- Blog article ---------- */
.article { max-width: 780px; margin: 0 auto; padding: 40px 0; }
.article h1 { font-size: 28px; margin-bottom: 12px; }
.article .meta { color: var(--grey-500); font-size: 14px; margin-bottom: 28px; }
.article h2 { font-size: 22px; margin: 32px 0 12px; }
.article h3 { font-size: 18px; margin: 24px 0 10px; }
.article p { margin-bottom: 16px; }
.article ul { margin-bottom: 16px; }
.article img { border-radius: var(--radius); margin: 16px 0; }

/* ---------- About ---------- */
.timeline { position: relative; padding-left: 32px; }
.timeline::before {
  content: ''; position: absolute; left: 10px; top: 0; bottom: 0;
  width: 2px; background: var(--blue-bg);
}
.timeline-item { position: relative; padding-bottom: 28px; }
.timeline-item::before {
  content: ''; position: absolute; left: -26px; top: 6px;
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--blue-primary); border: 3px solid var(--white);
  box-shadow: 0 0 0 2px var(--blue-primary);
}
.timeline-item .year { font-weight: 700; color: var(--blue-primary); font-size: 14px; }
.timeline-item h4 { font-size: 16px; margin: 2px 0; }
.timeline-item p { font-size: 14px; color: var(--grey-500); }

/* ---------- Downloads ---------- */
.download-item {
  display: flex; align-items: center; gap: 14px; padding: 16px;
  border: 1px solid var(--grey-200); border-radius: var(--radius);
  margin-bottom: 12px; background: var(--white);
}
.download-item .icon {
  width: 44px; height: 44px; flex-shrink: 0;
  background: var(--blue-bg); color: var(--blue-primary);
  display: flex; align-items: center; justify-content: center; font-size: 20px;
  border-radius: var(--radius-sm);
}
.download-item .info { flex-grow: 1; }
.download-item h4 { font-size: 15px; }
.download-item p { font-size: 13px; color: var(--grey-500); margin: 0; }

/* ---------- Floating Buttons ---------- */
.float-buttons {
  position: fixed; bottom: 24px; right: 16px; z-index: 50;
  display: flex; flex-direction: column; gap: 12px;
}
.float-btn {
  width: 54px; height: 54px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-lg); font-size: 22px; color: var(--white);
  transition: transform .2s;
}
.float-btn:hover { transform: scale(1.08); color: var(--white); }
.float-quote { background: var(--blue-primary); }
.float-whatsapp { background: #25D366; }
.float-btn-label { display: none; }
@media (min-width: 576px) {
  .float-btn { width: auto; height: auto; border-radius: 999px; padding: 12px 20px; gap: 8px; }
  .float-btn-label { display: inline; font-size: 14px; font-weight: 600; }
}
/* RTL moves WhatsApp to left */
html[dir="rtl"] .float-buttons { right: auto; left: 16px; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--grey-900); color: #cbd5e1; padding: 56px 0 0;
}
.footer-grid {
  display: grid; grid-template-columns: 1fr; gap: 32px; margin-bottom: 40px;
}
@media (min-width: 768px) { .footer-grid { grid-template-columns: repeat(2, 1fr); gap: 40px; } }
@media (min-width: 1024px) { .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; } }
.footer-col h4 {
  color: var(--white); font-size: 15px; margin-bottom: 16px;
  text-transform: uppercase; letter-spacing: .5px;
}
.footer-col a {
  display: block; color: #cbd5e1; padding: 4px 0; font-size: 14px;
}
.footer-col a:hover { color: var(--blue-light); }
.footer-bottom {
  border-top: 1px solid #374151; padding: 20px 0; text-align: center;
  font-size: 13px; color: #94a3b8;
}
.footer-bottom a { color: #94a3b8; }
.footer-bottom a:hover { color: var(--blue-light); }
.footer-logo { display: flex; align-items: center; gap: 10px; color: var(--white); font-weight: 700; margin-bottom: 12px; }
.footer-logo svg { width: 32px; height: 32px; }
.footer-col p { font-size: 14px; margin-bottom: 8px; color: #cbd5e1; }

/* ---------- Cookie Notice ---------- */
.cookie-banner {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 200;
  background: var(--white); box-shadow: 0 -4px 20px rgba(0,0,0,.12);
  padding: 16px; display: none; align-items: center; gap: 16px;
  flex-wrap: wrap;
}
.cookie-banner.show { display: flex; }
.cookie-banner p { font-size: 14px; color: var(--grey-700); margin: 0; flex-grow: 1; }
.cookie-banner .actions { display: flex; gap: 10px; }
html[dir="rtl"] .cookie-banner { left: auto; right: 0; }

/* ---------- 404 ---------- */
.page-404 { text-align: center; padding: 120px 0; }
.page-404 .big { font-size: 120px; font-weight: 800; color: var(--blue-primary); line-height: 1; }
.page-404 h2 { font-size: 28px; margin: 16px 0; }
.page-404 p { color: var(--grey-500); margin-bottom: 28px; }

/* ---------- Homepage: merged sections ---------- */
.hero-eyebrow {
  display: inline-block; margin-bottom: 18px; padding-inline-start: 10px;
  border-inline-start: 3px solid var(--accent);
  font-size: 12px; font-weight: 700; letter-spacing: .12em;
  text-transform: uppercase; color: rgba(255,255,255,.9);
}
.hero-trust { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.hero-trust span {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 14px; border-radius: 999px;
  background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.24);
  color: var(--white); font-size: 13px; font-weight: 500;
}
.hero-trust span::before { content: '✓'; color: var(--accent); font-weight: 700; }

.line-grid { display: grid; grid-template-columns: 1fr; gap: 20px; }
#lines { scroll-margin-top: calc(var(--header-h) + 16px); }
@media (min-width: 640px) { .line-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1180px) { .line-grid { grid-template-columns: repeat(4, 1fr); } }

.line-card-img {
  margin: -24px -22px 14px -22px; overflow: hidden;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  background: var(--white);
}
.line-card-img img { width: 100%; height: auto; object-fit: contain; display: block; }
.line-card {
  display: flex; flex-direction: column; height: 100%;
  padding: 24px 22px; background: var(--white);
  border: 1px solid var(--grey-200); border-top: 4px solid var(--blue-primary);
  border-radius: var(--radius-lg); transition: all .25s ease;
}
.line-card:hover {
  transform: translateY(-4px); box-shadow: var(--shadow-lg);
  border-color: var(--blue-light); border-top-color: var(--accent);
}
.line-tag {
  font-size: 11px; font-weight: 700; letter-spacing: .08em;
  text-transform: uppercase; color: var(--accent); margin-bottom: 8px;
}
.line-card h3 { font-size: 18px; margin-bottom: 8px; }
.line-desc { font-size: 14px; line-height: 1.55; color: var(--grey-500); margin-bottom: 18px; flex-grow: 1; }
.spec-list { border-top: 1px solid var(--grey-200); padding-top: 10px; margin-bottom: 18px; }
.spec-row { padding: 7px 0; border-bottom: 1px dashed var(--grey-200); }
.spec-row:last-child { border-bottom: none; }
.spec-label {
  display: block; font-size: 10px; font-weight: 700; letter-spacing: .07em;
  text-transform: uppercase; color: var(--grey-500); margin-bottom: 2px;
}
.spec-value { display: block; font-size: 13px; line-height: 1.45; color: var(--grey-700); font-weight: 500; }
.line-link { font-size: 14px; font-weight: 600; color: var(--blue-primary); margin-top: auto; }
.line-link:hover { color: var(--accent); }

.buyer-card {
  display: flex; flex-direction: column; height: 100%;
  padding: 26px 24px; background: var(--white);
  border: 1px solid var(--grey-200); border-radius: var(--radius-lg);
}
.buyer-card h3 { font-size: 17px; margin-bottom: 8px; }
.buyer-card p { font-size: 14px; color: var(--grey-500); flex-grow: 1; }
.buyer-card a { font-size: 14px; font-weight: 600; }

.brand-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
@media (min-width: 768px) { .brand-grid { grid-template-columns: repeat(4, 1fr); } }
.brand-card {
  padding: 22px 16px; text-align: center; background: var(--white);
  border: 1px solid var(--grey-200); border-radius: var(--radius);
}
.brand-tier {
  font-size: 10px; font-weight: 700; letter-spacing: .08em;
  text-transform: uppercase; color: var(--accent); margin-bottom: 6px;
}
.brand-card h3 { font-size: 18px; letter-spacing: .03em; color: var(--blue-dark); margin-bottom: 8px; }
.brand-card p { font-size: 13px; line-height: 1.55; color: var(--grey-500); margin: 0; }

.market-section {
  padding: 64px 0; color: var(--white);
  background: linear-gradient(135deg, var(--blue-dark) 0%, var(--blue-primary) 100%);
}
.market-section .section-header { margin-bottom: 28px; }
.market-section .section-header h2 { color: var(--white); }
.market-section .section-header p { color: rgba(255,255,255,.82); }
.climate-chips, .market-chips { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.climate-chips span {
  font-size: 13px; font-weight: 600; letter-spacing: .04em; text-transform: uppercase;
  color: var(--white); padding: 6px 14px; border-radius: 999px;
  border: 1px solid rgba(255,255,255,.35);
}
.market-chips { margin-top: 18px; }
.market-chips span {
  font-size: 14px; font-weight: 500; color: var(--white);
  padding: 8px 16px; border-radius: 999px;
  background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.2);
}
@media (min-width: 768px) { .market-section { padding: 80px 0; } }

/* ---------- Utilities ---------- */
.text-center { text-align: center; }
.text-left { text-align: left; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.hidden { display: none !important; }
.visually-hidden {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); border: 0;
}

/* ---------- Print ---------- */
@media print {
  .site-header, .site-footer, .float-buttons, .cookie-banner { display: none !important; }
  body { color: #000; background: #fff; }
  a { text-decoration: underline; color: #000; }
}

/* ---------- Skip link ---------- */
.skip-link {
  position: absolute; top: -40px; left: 0; background: var(--blue-primary);
  color: var(--white); padding: 8px 16px; z-index: 1000; font-size: 14px;
}
.skip-link:focus { top: 0; }

/* ---------- Phase 1: product line detail + hero range strip ---------- */
.hero-line-strip{position:relative;z-index:2;display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-top:32px;align-items:start;}
.hero-line-strip a{display:block;background:rgba(255,255,255,.94);border-radius:12px;overflow:hidden;text-decoration:none;transition:transform .2s ease;}
.hero-line-strip a:hover{transform:translateY(-3px);}
.hero-line-strip img{width:100%;height:auto;display:block;background:var(--white);object-fit:contain;}
.hero-line-strip span{display:block;text-align:center;font-size:11px;font-weight:700;color:var(--blue-dark);padding:6px 4px 8px;line-height:1.3;}
@media (min-width:768px){.hero-line-strip{grid-template-columns:repeat(4,1fr);gap:12px;}}

/* Hero right-side product visual: square image shown in full, no crop, no letterbox.
   Desktop only; small screens keep the existing four-image strip. */
.hero-visual { display: none; }
@media (min-width:1024px){
  .hero > .container {
    display: grid;
    grid-template-columns: minmax(0,1fr) 320px;
    gap: 40px;
    align-items: center;
  }
  .hero-content { max-width: 100%; }
  .hero-visual { display: block; position: relative; z-index: 2; }
  .hero-visual img {
    display: block; width: 100%; height: auto; object-fit: contain;
    border-radius: 18px; background: var(--white);
    box-shadow: 0 0 0 1px rgba(255,255,255,.45),
                0 0 0 12px rgba(255,255,255,.10),
                0 22px 48px rgba(0,0,0,.20);
  }
  .hero-line-strip { grid-column: 1 / -1; }
}
.detail-grid{display:grid;gap:28px;}
@media (min-width:900px){.detail-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:start;gap:36px;}}
.detail-media{background:var(--white);border:1px solid var(--grey-200);border-radius:var(--radius-lg);overflow:hidden;}
.detail-media img{width:100%;height:auto;object-fit:contain;display:block;}
.detail-body h2{font-size:22px;margin:20px 0 8px;}
.detail-lead{font-size:17px;line-height:1.6;color:var(--grey-700);margin-bottom:14px;}
.detail-body p{font-size:15px;line-height:1.65;color:var(--grey-500);}
.spec-table{width:100%;border-collapse:collapse;}
.spec-table th{width:38%;text-align:start;vertical-align:top;font-size:11px;letter-spacing:.07em;text-transform:uppercase;color:var(--grey-500);font-weight:700;padding:9px 0;border-bottom:1px dashed var(--grey-200);}
.spec-table td{font-size:13px;line-height:1.5;color:var(--grey-700);font-weight:500;padding:9px 0;border-bottom:1px dashed var(--grey-200);}
.fire-note{margin-top:28px;padding:18px 20px;background:var(--white);border-inline-start:4px solid var(--accent);border-radius:var(--radius-lg);}
.fire-note h3{margin:0 0 6px;font-size:16px;}
.fire-note p{margin:0;color:var(--grey-500);font-size:14px;line-height:1.6;}

/* ---------- Fire-resistant variant: paired packaging visuals ---------- */
.fire-note-media{display:grid;gap:14px;}
@media (min-width:900px){.fire-note-media{grid-template-columns:minmax(0,1fr) 300px;align-items:center;}}
.fire-note-gallery{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;}
.fire-note-gallery img{width:100%;height:auto;display:block;border-radius:var(--radius-lg);border:1px solid var(--grey-200);background:var(--white);}