/* ============================================================
   Weiwang Adhesives — front site styles
   Deep Navy #0B2A4A + Molten Orange #F39200 industrial catalog
   ============================================================ */
@import url('https://fonts.googleapis.cn/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root {
  --navy: #0B2A4A;
  --navy-800: #123A63;
  --navy-900: #071E36;
  --orange: #F39200;
  --orange-dark: #D97E00;
  --white: #FFFFFF;
  --gray-bg: #F4F6F9;
  --border: #E2E8F0;
  --text: #33415C;
  --text-dark: #0B2A4A;
  --text-light: rgba(255, 255, 255, .85);
  --whatsapp: #25D366;
  --radius: 4px;
  --shadow-card: 0 1px 2px rgba(11, 42, 74, .06);
  --shadow-card-hover: 0 10px 24px rgba(11, 42, 74, .12);
  --container: 1200px;
  --ease: 200ms ease;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: var(--navy); text-decoration: none; transition: color var(--ease); }
a:hover { color: var(--orange); }
ul { list-style: none; }

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

/* ---------- Typography ---------- */
h1, h2, h3, h4 { color: var(--text-dark); font-weight: 800; letter-spacing: -0.02em; line-height: 1.2; }
h1 { font-size: clamp(30px, 5vw, 52px); }
h2 { font-size: clamp(26px, 3.4vw, 38px); }
h3 { font-size: 20px; }

.eyebrow {
  display: inline-block;
  color: var(--orange);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.eyebrow--light { color: var(--orange); }

.section { padding: 72px 0; }
.section-white { background: var(--white); }
.section-gray { background: var(--gray-bg); }
.section-title { margin-bottom: 16px; }
.section-sub { max-width: 720px; color: var(--text); margin-bottom: 40px; font-size: 17px; }
.center-cta { text-align: center; margin-top: 44px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 26px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 15px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background var(--ease), color var(--ease), border-color var(--ease), transform var(--ease);
  font-family: inherit;
  text-align: center;
}
.btn-primary { background: var(--orange); color: var(--white); }
.btn-primary:hover { background: var(--orange-dark); color: var(--white); }
.btn-outline { background: transparent; color: var(--navy); border-color: var(--navy); }
.btn-outline:hover { border-color: var(--orange); color: var(--orange-dark); }
.btn-ghost { background: rgba(255,255,255,.12); color: var(--white); border-color: rgba(255,255,255,.5); }
.btn-ghost:hover { background: rgba(255,255,255,.22); color: var(--white); }
.btn-whatsapp { background: var(--whatsapp); color: var(--white); }
.btn-whatsapp:hover { background: #1eb858; color: var(--white); }
.btn-lg { padding: 15px 32px; font-size: 16px; }
.btn-sm { padding: 8px 16px; font-size: 14px; }
.btn-block { width: 100%; }
.link-arrow { color: var(--orange); font-weight: 600; font-size: 15px; }
.link-arrow::after { content: ' →'; }

/* ---------- Utility bar ---------- */
.utility-bar { background: var(--navy-900); color: var(--text-light); font-size: 13px; }
.utility-inner { display: flex; justify-content: space-between; align-items: center; min-height: 38px; gap: 16px; }
.utility-contact { display: flex; gap: 24px; flex-wrap: wrap; }
.utility-contact a { color: var(--text-light); display: inline-flex; align-items: center; gap: 6px; }
.utility-contact a:hover { color: var(--orange); }

.lang-switcher { position: relative; }
.lang-current {
  background: none; border: 0; color: var(--text-light); font: inherit; font-size: 13px;
  display: inline-flex; align-items: center; gap: 6px; cursor: pointer; padding: 6px 4px;
}
.lang-current:hover { color: var(--orange); }
.lang-menu {
  position: absolute; right: 0; top: 100%; background: var(--white); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow-card-hover); min-width: 150px; z-index: 60;
  display: none; overflow: hidden;
}
.lang-switcher.is-open .lang-menu { display: block; }
.lang-menu a { display: block; padding: 9px 16px; color: var(--text); font-size: 14px; }
.lang-menu a:hover, .lang-menu a.active { background: var(--gray-bg); color: var(--orange-dark); font-weight: 600; }

/* ---------- Header ---------- */
.site-header { background: var(--white); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 50; }
.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 76px; gap: 24px; }
.logo img { height: 46px; width: auto; }
.main-nav { display: flex; align-items: center; gap: 28px; }
.nav-list { display: flex; gap: 26px; }
.nav-list a { font-weight: 600; font-size: 15px; color: var(--navy); padding: 8px 0; position: relative; }
.nav-list a::after {
  content: ''; position: absolute; left: 0; bottom: 0; width: 0; height: 2px; background: var(--orange);
  transition: width var(--ease);
}
.nav-list a:hover::after, .nav-list a.active::after { width: 100%; }
.nav-list a.active { color: var(--orange-dark); }
.nav-cta { white-space: nowrap; }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--navy); margin: 5px 0; border-radius: 2px; }

/* ---------- Hero carousel ---------- */
.hero { position: relative; height: 560px; overflow: hidden; background: var(--navy-900); }
.hero-slides, .hero-slide { position: absolute; inset: 0; }
.hero-slide {
  background-size: cover; background-position: center; opacity: 0; transition: opacity 900ms ease;
  pointer-events: none;
}
.hero-slide.is-active { opacity: 1; pointer-events: auto; }
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(7, 30, 54, .88) 0%, rgba(11, 42, 74, .72) 45%, rgba(11, 42, 74, .25) 100%);
}
.hero-content { position: relative; z-index: 2; height: 100%; display: flex; flex-direction: column; justify-content: center; color: var(--white); }
.hero-content h1 { color: var(--white); max-width: 760px; }
.hero-sub { font-size: 19px; color: var(--text-light); max-width: 640px; margin: 18px 0 30px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-arrow {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 3;
  background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.35); color: var(--white);
  width: 46px; height: 46px; border-radius: 50%; cursor: pointer; display: flex; align-items: center; justify-content: center;
  transition: background var(--ease);
}
.hero-arrow:hover { background: var(--orange); border-color: var(--orange); }
.hero-arrow--prev { left: 24px; }
.hero-arrow--next { right: 24px; }
.hero-dots { position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%); display: flex; gap: 10px; z-index: 3; }
.hero-dot { width: 11px; height: 11px; border-radius: 50%; border: 0; background: rgba(255,255,255,.45); cursor: pointer; padding: 0; transition: background var(--ease), transform var(--ease); }
.hero-dot.is-active { background: var(--orange); transform: scale(1.15); }

/* ---------- Cards / grids ---------- */
.grid { display: grid; gap: 26px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.card-grid { margin-top: 8px; }

.card {
  background: var(--white); border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--shadow-card);
  transition: transform var(--ease), box-shadow var(--ease);
  display: flex; flex-direction: column;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card-hover); }
.card:hover .card-media img { transform: scale(1.04); }
.card-media { position: relative; display: block; aspect-ratio: 4 / 3; overflow: hidden; background: var(--gray-bg); }
.card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 400ms ease; }
.card-body { padding: 22px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.card-body h3 { font-size: 18px; }
.card-body h3 a:hover { color: var(--orange-dark); }
.card-actions { display: flex; gap: 10px; margin-top: auto; padding-top: 14px; flex-wrap: wrap; }

.card-advantage { padding: 30px 26px; text-align: left; border-top: 3px solid transparent; }
.card-advantage:hover { border-top-color: var(--orange); }
.card-icon {
  width: 56px; height: 56px; border-radius: var(--radius); background: rgba(243, 146, 0, .1);
  color: var(--orange); display: flex; align-items: center; justify-content: center; margin-bottom: 18px;
}
.card-advantage h3 { margin-bottom: 8px; }

.product-model { font-size: 13px; font-weight: 700; color: var(--orange); text-transform: uppercase; letter-spacing: .06em; }
.product-model--light { color: var(--orange) !important; }
.product-short { font-size: 14px; color: var(--text); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.product-badge {
  position: absolute; top: 12px; left: 12px; z-index: 2; background: var(--orange); color: var(--white);
  font-size: 12px; font-weight: 700; padding: 4px 10px; border-radius: 3px; text-transform: uppercase; letter-spacing: .05em;
}
.mini-specs { display: grid; gap: 4px; font-size: 13px; margin-top: 6px; }
.mini-specs > div { display: flex; justify-content: space-between; gap: 12px; border-bottom: 1px dashed var(--border); padding: 3px 0; }
.mini-specs dt { color: var(--text); font-weight: 500; }
.mini-specs dd { color: var(--navy); font-weight: 600; font-variant-numeric: tabular-nums; }

/* ---------- Stats band ---------- */
.stats-band { background: var(--navy-900); padding: 56px 0; }
.stats-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 24px; text-align: center; }
.stat-item { display: flex; flex-direction: column; gap: 6px; }
.stat-value { font-size: clamp(30px, 4vw, 44px); font-weight: 800; color: var(--orange); letter-spacing: -0.02em; line-height: 1; }
.stat-label { color: var(--text-light); font-size: 14px; text-transform: uppercase; letter-spacing: .08em; }

/* ---------- Why choose us ---------- */
.why-grid { gap: 32px; }
.why-item { padding-left: 18px; border-left: 3px solid var(--orange); }
.why-item h3 { font-size: 18px; margin-bottom: 6px; }
.why-item p { font-size: 15px; }

/* ---------- Testimonials ---------- */
.card-testimonial { padding: 28px 26px; }
.stars { color: var(--orange); letter-spacing: 3px; margin-bottom: 14px; }
.card-testimonial blockquote { font-size: 15px; color: var(--text); flex: 1; }
.card-testimonial footer { margin-top: 18px; display: flex; flex-direction: column; }
.card-testimonial footer strong { color: var(--navy); }
.card-testimonial footer span { font-size: 13px; color: var(--text); }

/* ---------- Quote section ---------- */
.quote-section { background: var(--navy); color: var(--text-light); }
.quote-section h2 { color: var(--white); margin-bottom: 14px; }
.quote-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 56px; align-items: center; }
.quote-intro p { margin-bottom: 24px; }
.quote-contacts { display: flex; gap: 14px; flex-wrap: wrap; }
.quote-form-card { background: var(--white); border-radius: 6px; padding: 32px; box-shadow: 0 20px 50px rgba(0,0,0,.25); color: var(--text); }
.quote-form-card h2 { font-size: 24px; margin-bottom: 18px; }

/* ---------- Forms ---------- */
.form-row { display: grid; gap: 16px; margin-bottom: 16px; }
.form-row-2 { grid-template-columns: 1fr 1fr; }
.form-field { margin-bottom: 16px; display: flex; flex-direction: column; }
.form-field label { font-weight: 600; font-size: 14px; color: var(--navy); margin-bottom: 6px; }
.form-field input, .form-field select, .form-field textarea {
  font: inherit; font-size: 15px; padding: 11px 14px; border: 1px solid var(--border);
  border-radius: var(--radius); background: var(--white); color: var(--text); width: 100%;
  transition: border-color var(--ease), box-shadow var(--ease);
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
  outline: none; border-color: var(--orange); box-shadow: 0 0 0 3px rgba(243,146,0,.15);
}
.form-field textarea { resize: vertical; }
.form-hint { font-size: 13px; color: #64748b; margin-top: 5px; }
.form-status { margin-top: 12px; font-size: 14px; font-weight: 600; min-height: 22px; }
.form-status.ok { color: #15803d; }
.form-status.err { color: #b91c1c; }
.btn[disabled] { opacity: .6; cursor: not-allowed; }

/* ---------- Page hero (inner pages) ---------- */
.page-hero {
  background: linear-gradient(120deg, var(--navy-900), var(--navy-800));
  color: var(--white); padding: 72px 0 64px;
}
.page-hero--slim { padding: 56px 0 48px; }
.page-hero h1 { color: var(--white); margin-bottom: 10px; }
.page-hero-sub { color: var(--text-light); font-size: 17px; max-width: 760px; }
.page-hero .product-model { color: var(--orange); }

/* ---------- Breadcrumb ---------- */
.breadcrumb { margin-top: 20px; font-size: 13px; }
.breadcrumb ol { display: flex; flex-wrap: wrap; gap: 4px; align-items: center; }
.breadcrumb a { color: var(--text-light); }
.breadcrumb a:hover { color: var(--orange); }
.breadcrumb [aria-current] { color: var(--white); font-weight: 600; }
.breadcrumb-sep { color: rgba(255,255,255,.4); margin: 0 6px; }

/* ---------- Filter bar ---------- */
.filter-bar { display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; margin-bottom: 28px; }
.filter-cats { display: flex; gap: 10px; flex-wrap: wrap; }
.chip {
  padding: 8px 18px; border: 1px solid var(--border); border-radius: 30px; font-size: 14px; font-weight: 600;
  color: var(--navy); background: var(--white);
}
.chip:hover { border-color: var(--orange); color: var(--orange-dark); }
.chip-active { background: var(--navy); color: var(--white); border-color: var(--navy); }
.chip-active:hover { color: var(--white); }
.filter-search { display: flex; gap: 8px; min-width: 300px; }
.filter-search input { flex: 1; padding: 10px 14px; border: 1px solid var(--border); border-radius: var(--radius); font: inherit; }
.results-count { font-size: 14px; color: #64748b; margin-bottom: 18px; }
.empty-state { text-align: center; padding: 70px 20px; }
.empty-state p { font-size: 18px; margin-bottom: 20px; color: var(--text); }

/* ---------- Product detail ---------- */
.product-detail-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 48px; margin-bottom: 56px; align-items: start; }
.product-main-img { border: 1px solid var(--border); border-radius: 6px; aspect-ratio: 1; object-fit: cover; width: 100%; }
.img-note { font-size: 12px; color: #94a3b8; margin-top: 10px; }
.product-summary h2 { font-size: 30px; margin: 8px 0 12px; }
.product-description { font-size: 16px; margin-bottom: 20px; }
.spec-subhead { font-size: 17px; margin: 22px 0 10px; }
.spec-inline { display: grid; grid-template-columns: 1fr 1fr; gap: 0 24px; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.spec-inline > div { display: flex; justify-content: space-between; gap: 12px; padding: 10px 16px; border-bottom: 1px solid var(--border); font-size: 14px; }
.spec-inline > div:nth-last-child(-n+2) { border-bottom: 0; }
.spec-inline dt { color: var(--text); }
.spec-inline dd { color: var(--navy); font-weight: 700; font-variant-numeric: tabular-nums; }
.cert-badges { display: flex; gap: 10px; flex-wrap: wrap; margin: 22px 0; }
.cert-badge {
  border: 1.5px solid var(--navy); color: var(--navy); font-weight: 700; font-size: 13px;
  padding: 5px 14px; border-radius: 30px; letter-spacing: .03em;
}
.cert-badge--lg { font-size: 15px; padding: 9px 22px; }
.product-cta { display: flex; gap: 12px; flex-wrap: wrap; }
.product-section { margin-bottom: 48px; }
.product-section h2 { font-size: 26px; margin-bottom: 18px; }
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; border: 1px solid var(--border); border-radius: var(--radius); }
.spec-table { width: 100%; border-collapse: collapse; min-width: 640px; font-size: 15px; }
.spec-table th, .spec-table td { padding: 13px 18px; text-align: left; border-bottom: 1px solid var(--border); }
.spec-table thead th { background: var(--navy); color: var(--white); font-weight: 600; }
.spec-table tbody tr:nth-child(even) { background: var(--gray-bg); }
.spec-table td:nth-child(2) { font-weight: 700; color: var(--navy); font-variant-numeric: tabular-nums; }
.spec-table td:nth-child(3) { color: #64748b; font-size: 13px; }
.table-footnote { font-size: 13px; color: #64748b; margin-top: 10px; }

/* ---------- Prose ---------- */
.prose h2 { font-size: 26px; margin: 28px 0 14px; }
.prose h3 { font-size: 20px; margin: 22px 0 10px; }
.prose p { margin-bottom: 14px; }
.prose ul { list-style: disc; padding-left: 22px; margin-bottom: 14px; }
.prose li { margin-bottom: 6px; }

/* ---------- About ---------- */
.about-intro { display: grid; grid-template-columns: 1.2fr 1fr; gap: 48px; align-items: center; }
.about-intro-text h2 { margin-bottom: 18px; }
.about-intro-text p { margin-bottom: 16px; }
.about-intro-media img { border-radius: 6px; border: 1px solid var(--border); width: 100%; }
.timeline { position: relative; margin-top: 40px; padding-left: 30px; }
.timeline::before { content: ''; position: absolute; left: 7px; top: 6px; bottom: 6px; width: 2px; background: var(--border); }
.timeline-item { position: relative; padding-bottom: 32px; }
.timeline-item::before { content: ''; position: absolute; left: -30px; top: 6px; width: 16px; height: 16px; border-radius: 50%; background: var(--orange); border: 3px solid var(--white); box-shadow: 0 0 0 2px var(--orange); }
.timeline-year { font-weight: 800; color: var(--orange); font-size: 18px; }
.timeline-body strong { display: block; color: var(--navy); font-size: 17px; margin: 2px 0 4px; }
.qc-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; margin: 40px 0; }
.qc-steps li { list-style: none; background: var(--white); border: 1px solid var(--border); border-radius: var(--radius); padding: 26px 22px; }
.qc-no { font-size: 30px; font-weight: 800; color: rgba(243,146,0,.35); display: block; margin-bottom: 10px; }
.qc-steps h3 { font-size: 17px; margin-bottom: 8px; }
.qc-steps p { font-size: 14px; }
.cert-wall { display: flex; gap: 14px; flex-wrap: wrap; justify-content: center; margin-top: 30px; }
.oem-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: 48px; align-items: start; }
.check-list { margin-top: 20px; }
.check-list li { list-style: none; padding: 10px 0 10px 34px; position: relative; border-bottom: 1px dashed var(--border); }
.check-list li::before {
  content: '✓'; position: absolute; left: 0; top: 9px; width: 22px; height: 22px; border-radius: 50%;
  background: var(--orange); color: var(--white); font-size: 13px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}
.reply-promise { background: var(--navy); color: var(--text-light); border-radius: 6px; padding: 36px; text-align: center; }
.reply-promise h3 { color: var(--white); margin: 16px 0 8px; font-size: 22px; }

/* ---------- Applications ---------- */
.card-application .card-body p { font-size: 14px; }
.application-cta { text-align: center; margin-top: 56px; background: var(--gray-bg); border-radius: 6px; padding: 48px 32px; }
.application-cta h2 { margin-bottom: 12px; }
.application-cta p { max-width: 640px; margin: 0 auto 24px; }

/* ---------- News ---------- */
.news-date { font-size: 13px; color: #64748b; }
.news-excerpt { font-size: 14px; color: var(--text); }
.article-layout { display: grid; grid-template-columns: 1fr 300px; gap: 44px; align-items: start; }
.article-cover { border-radius: 6px; margin-bottom: 28px; }
.article-sidebar { position: sticky; top: 100px; display: flex; flex-direction: column; gap: 22px; }
.sidebar-box { background: var(--gray-bg); border-radius: 6px; padding: 24px; }
.sidebar-box h3 { font-size: 17px; margin-bottom: 10px; }
.sidebar-box p { font-size: 14px; margin-bottom: 14px; }
.sidebar-links li { border-bottom: 1px solid var(--border); }
.sidebar-links a { display: block; padding: 10px 0; font-size: 14px; font-weight: 600; }

/* ---------- FAQ ---------- */
.faq-layout { display: grid; grid-template-columns: 1fr 300px; gap: 44px; align-items: start; }
.faq-aside { position: sticky; top: 100px; }
.faq-item {
  border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 14px;
  background: var(--white); overflow: hidden;
}
.faq-item summary {
  list-style: none; cursor: pointer; padding: 18px 22px; font-weight: 700; color: var(--navy);
  display: flex; justify-content: space-between; align-items: center; gap: 16px; font-size: 16px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-plus { position: relative; width: 18px; height: 18px; flex: 0 0 18px; }
.faq-plus::before, .faq-plus::after {
  content: ''; position: absolute; background: var(--orange); transition: transform var(--ease);
}
.faq-plus::before { left: 0; top: 8px; width: 18px; height: 2px; }
.faq-plus::after { left: 8px; top: 0; width: 2px; height: 18px; }
.faq-item[open] .faq-plus::after { transform: rotate(90deg); }
.faq-item[open] { border-color: var(--orange); }
.faq-answer { padding: 0 22px 20px; font-size: 15px; }

/* ---------- Contact ---------- */
.contact-layout { display: grid; grid-template-columns: 1fr 1.2fr; gap: 56px; align-items: start; }
.contact-info h2 { margin-bottom: 22px; }
.contact-list li { display: flex; gap: 14px; padding: 14px 0; border-bottom: 1px solid var(--border); color: var(--navy); }
.contact-list svg { flex: 0 0 20px; color: var(--orange); margin-top: 4px; }
.contact-actions { display: flex; gap: 12px; margin: 22px 0; flex-wrap: wrap; }
.reply-note { font-size: 14px; color: #15803d; font-weight: 600; }
.map-placeholder { margin-top: 26px; }
.map-note { font-size: 12px; color: #64748b; margin-bottom: 8px; }
.quote-form-card--page { box-shadow: none; border: 1px solid var(--border); padding: 32px; }

/* ---------- Legal ---------- */
.legal-page { max-width: 820px; }
.legal-updated { color: #64748b; font-size: 14px; margin-bottom: 20px; }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy-900); color: var(--text-light); margin-top: 0; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; padding: 64px 24px 44px; }
.footer-col h4 { color: var(--white); font-size: 15px; text-transform: uppercase; letter-spacing: .08em; margin-bottom: 18px; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { color: var(--text-light); font-size: 14px; }
.footer-col a:hover { color: var(--orange); }
.footer-about p { font-size: 14px; margin: 16px 0; }
.footer-social { display: flex; gap: 10px; }
.footer-social a {
  width: 34px; height: 34px; border-radius: 50%; border: 1px solid rgba(255,255,255,.3);
  display: flex; align-items: center; justify-content: center; font-size: 13px; font-weight: 700;
}
.footer-social a:hover { background: var(--orange); border-color: var(--orange); color: var(--white); }
.footer-contact li { font-size: 14px; }
.footer-certs { border-top: 1px solid rgba(255,255,255,.1); padding: 22px 0; }
.footer-certs-inner { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.footer-certs-label { font-size: 13px; text-transform: uppercase; letter-spacing: .08em; color: var(--text-light); }
.footer-certs .cert-badge { border-color: rgba(255,255,255,.4); color: var(--white); font-size: 12px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding: 20px 0; font-size: 13px; }
.footer-bottom-inner { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.footer-bottom-links { display: flex; gap: 18px; }
.footer-bottom-links a { color: var(--text-light); }
.footer-bottom-links a:hover { color: var(--orange); }

/* ---------- Floating buttons ---------- */
.float-whatsapp, .float-top {
  position: fixed; bottom: 26px; z-index: 70; width: 52px; height: 52px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center; box-shadow: 0 8px 24px rgba(7,30,54,.3);
}
.float-whatsapp { right: 26px; background: var(--whatsapp); color: var(--white); animation: breathe 2.6s ease-in-out infinite; }
.float-top { right: 26px; bottom: 90px; background: var(--navy); color: var(--white); border: 0; cursor: pointer; }
.float-top:hover { background: var(--navy-800); }
@keyframes breathe {
  0%, 100% { box-shadow: 0 8px 24px rgba(37,211,102,.4); }
  50% { box-shadow: 0 8px 30px rgba(37,211,102,.75); transform: scale(1.05); }
}

/* ---------- Cookie banner ---------- */
.cookie-banner {
  position: fixed; bottom: 20px; left: 20px; z-index: 80; max-width: 420px;
  background: var(--white); border: 1px solid var(--border); border-left: 4px solid var(--orange);
  border-radius: 6px; padding: 20px 22px; box-shadow: var(--shadow-card-hover); font-size: 14px;
}
.cookie-banner p { margin-bottom: 14px; }
.cookie-actions { display: flex; gap: 10px; }

/* ---------- Responsive ---------- */
@media (max-width: 1023px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(3, 1fr); row-gap: 36px; }
  .qc-steps { grid-template-columns: repeat(2, 1fr); }
  .quote-grid, .contact-layout, .about-intro, .oem-grid, .article-layout, .faq-layout, .product-detail-grid {
    grid-template-columns: 1fr;
  }
  .article-sidebar, .faq-aside { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 767px) {
  .section { padding: 52px 0; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .form-row-2 { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .qc-steps { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; padding: 44px 24px 32px; }

  .hero { height: 520px; }
  .hero-arrow { display: none; }

  .nav-toggle { display: block; }
  .main-nav {
    position: fixed; inset: 0; background: var(--navy-900); flex-direction: column; align-items: stretch;
    padding: 90px 32px 40px; gap: 0; z-index: 60; transform: translateX(100%); transition: transform 250ms ease;
    overflow-y: auto;
  }
  .main-nav.is-open { transform: translateX(0); }
  .nav-list { flex-direction: column; gap: 0; }
  .nav-list a { color: var(--white); font-size: 20px; display: block; padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,.12); }
  .nav-cta { margin-top: 26px; }
  .utility-contact { gap: 12px; font-size: 12px; }

  .filter-search { min-width: 100%; }
  .quote-form-card { padding: 24px 20px; }
  .cookie-banner { left: 12px; right: 12px; bottom: 12px; max-width: none; }
  .float-whatsapp { right: 16px; bottom: 18px; }
  .float-top { right: 16px; bottom: 82px; }
}