/* ==========================================================================
   iColor Group — B2B English website theme
   Design system: brand cyan-blue #2DAAD3 + deep navy + white / cool grey
   Breakpoints: 1200 desktop | 992 tablet | 768 large phone | 576 phone
   Updated: 2026-10-29 (brand palette reset per owner)
   ========================================================================== */

:root {
  --brand: #2DAAD3;
  --brand-050: #EFF8FC;
  --brand-100: #DFF1F9;
  --brand-200: #C2E6F3;
  --brand-600: #1E94BD;
  --brand-700: #1778A0;
  --brand-800: #115E82;
  --brand-900: #0C4764;
  --navy: #0C4764;
  --navy-2: #083850;
  --ink: #162B3B;
  --muted: #5B7283;
  --muted-2: #93A7B6;
  --line: #E2EDF3;
  --soft: #F3F9FC;
  --paper: #FFFFFF;
  --danger: #C05621;
  --font: "Manrope", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --serif: Georgia, "Times New Roman", serif;
  --shadow-sm: 0 2px 10px rgba(13, 74, 96, 0.06);
  --shadow-md: 0 10px 30px rgba(13, 74, 96, 0.10);
  --radius: 14px;
  --radius-sm: 9px;
  --container: 1280px;
  --header-h: 84px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: var(--brand-700); text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--brand-900); }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, h5, h6 { margin: 0 0 14px; font-weight: 600; line-height: 1.25; color: var(--ink); }
h1 { font-size: 44px; }
h2 { font-size: 34px; }
h3 { font-size: 23px; }
p { margin: 0 0 14px; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.section { padding: 88px 0; }
.section--cream, .section--soft { background: var(--soft); }
.section--dark { background: var(--navy); color: #D7E6EF; }
.section--dark h2, .section--dark h3 { color: #FFFFFF; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 13px; letter-spacing: 3px; text-transform: uppercase;
  color: var(--brand-700); font-weight: 600; margin-bottom: 16px;
}
.eyebrow::before { content: ""; width: 34px; height: 1px; background: var(--brand); }
.section--dark .eyebrow { color: #7FD0EC; }

.section-head { max-width: 760px; margin-bottom: 48px; }
.section-head p { color: var(--muted); font-size: 17px; }
.section--dark .section-head p { color: #AFC9D8; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 14px 28px; border-radius: 999px; font-family: var(--font);
  font-size: 15px; font-weight: 600; letter-spacing: 0.4px;
  border: 1px solid transparent; cursor: pointer; transition: all .2s ease; white-space: nowrap;
}
.btn--primary { background: var(--brand); color: #fff; }
.btn--primary:hover { background: var(--brand-600); color: #fff; }
.btn--gold { background: var(--brand-700); color: #fff; }
.btn--gold:hover { background: var(--brand-900); color: #fff; }
.btn--accent { background: var(--brand); color: #fff; }
.btn--accent:hover { background: var(--brand-600); color: #fff; }
.btn--ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn--ghost:hover { border-color: var(--brand); color: var(--brand-700); }
.btn--outline { background: #fff; color: var(--brand-800); border-color: var(--line); }
.btn--outline:hover { border-color: var(--brand-700); color: var(--brand-700); }
.btn--sm { padding: 10px 20px; font-size: 14px; }
.btn-arrow::after { content: "→"; transition: transform .2s ease; }
.btn-arrow:hover::after { transform: translateX(4px); }

/* ==========================================================================
   Top utility bar
   ========================================================================== */
.topbar { background: var(--soft); color: var(--muted); font-size: 13px; border-bottom: 1px solid var(--line); }
.topbar .container { display: flex; justify-content: space-between; align-items: center; height: 38px; }
.topbar a { color: var(--muted); }
.topbar a:hover { color: var(--brand-700); }
.topbar__contact { display: flex; gap: 24px; }
.topbar__contact span { display: inline-flex; gap: 7px; align-items: center; }
.topbar__note { letter-spacing: 0.6px; }

/* ==========================================================================
   Header / navigation
   ========================================================================== */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.96); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); gap: 24px; }
.brand img { height: 40px; width: auto; }

.main-nav ul { display: flex; align-items: center; gap: 4px; }
.main-nav > ul > li { position: relative; }
.main-nav a {
  display: block; padding: 12px 13px; font-size: 15px; font-weight: 500; color: var(--ink);
  white-space: nowrap;
}
.main-nav a:hover, .main-nav li.is-active > a { color: var(--brand-700); }
.main-nav .submenu {
  position: absolute; top: 100%; left: 0; min-width: 230px; background: #fff;
  box-shadow: var(--shadow-md); border-radius: var(--radius-sm); padding: 10px;
  opacity: 0; visibility: hidden; transform: translateY(8px); transition: all .18s ease;
}
.main-nav li:hover > .submenu { opacity: 1; visibility: visible; transform: translateY(0); }
.main-nav .submenu a { padding: 10px 14px; border-radius: 7px; font-size: 14.5px; }
.main-nav .submenu a:hover { background: var(--soft); }

.header-cta { display: flex; align-items: center; gap: 14px; }
.header-phone { font-size: 14px; font-weight: 600; color: var(--ink); display: inline-flex; gap: 8px; align-items: center; white-space: nowrap; }

.nav-toggle { display: none; background: none; border: 0; width: 44px; height: 44px; cursor: pointer; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--ink); margin: 5px auto; transition: all .2s; }

/* ==========================================================================
   Hero
   ========================================================================== */
.hero { position: relative; background: linear-gradient(180deg, #FFFFFF 0%, #F3F9FC 65%, #E3F3FA 100%); color: var(--ink); overflow: hidden; }
.hero__bg { position: absolute; inset: 0; background-size: cover; background-position: center; opacity: .18; }
.hero__inner { position: relative; padding: 120px 0 110px; max-width: 820px; }
.hero__kicker { font-size: 14px; letter-spacing: 4px; text-transform: uppercase; color: var(--brand-700); margin-bottom: 22px; }
.hero h1 { color: var(--ink); font-size: 52px; letter-spacing: -0.5px; margin-bottom: 22px; }
.hero h1 em { font-style: normal; color: var(--brand-600); }
.hero__lead { font-size: 19px; color: var(--muted); max-width: 640px; margin-bottom: 36px; }
.hero__actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero__grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center; }
.hero__media { position: relative; }
.hero__media img { width: 100%; max-height: 560px; object-fit: contain; border-radius: 18px; display: block; }
@media (max-width: 900px) { .hero__grid { grid-template-columns: 1fr; } .hero__media { order: -1; } .hero__media img { max-height: 340px; } }

.trust-bar { position: relative; background: #fff; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.trust-bar .container { display: grid; grid-template-columns: repeat(6, 1fr); gap: 20px; padding: 32px 24px; }
.trust-bar__item { text-align: center; }
.trust-bar__num { font-size: 24px; font-weight: 700; color: var(--brand-600); }
.trust-bar__label { font-size: 13px; color: var(--muted); letter-spacing: 0.5px; margin-top: 6px; }

/* ==========================================================================
   Card grids (home)
   ========================================================================== */
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }

.product-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; transition: all .25s ease; display: flex; flex-direction: column;
}
.product-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.product-card__media { aspect-ratio: 4 / 3; background: var(--soft); overflow: hidden; }
.product-card__media img { width: 100%; height: 100%; object-fit: cover; }
.product-card__body { padding: 22px; flex: 1; display: flex; flex-direction: column; }
.product-card__body h3 { font-size: 19px; margin-bottom: 8px; }
.product-card__body p { color: var(--muted); font-size: 15px; flex: 1; }
.product-card__link { font-weight: 600; font-size: 14px; color: var(--brand-700); }

.feature-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 32px 28px; transition: all .25s ease;
}
.feature-card:hover { box-shadow: var(--shadow-md); }
.feature-card__icon {
  width: 52px; height: 52px; border-radius: 14px; background: var(--brand-100);
  color: var(--brand-800); display: flex; align-items: center; justify-content: center;
  font-size: 24px; margin-bottom: 20px;
}
.feature-card h3 { font-size: 19px; margin-bottom: 10px; }
.feature-card p { color: var(--muted); font-size: 15px; margin: 0; }

/* Industry cards */
.industry-card {
  position: relative; border-radius: var(--radius); overflow: hidden;
  min-height: 220px; display: flex; align-items: flex-end; background: var(--brand-800);
}
.industry-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .55; }
.industry-card__label {
  position: relative; width: 100%; padding: 22px; color: #fff;
  background: linear-gradient(to top, rgba(9,42,60,.88), transparent);
}
.industry-card__label h3 { color: #fff; font-size: 19px; margin: 0; }

/* ==========================================================================
   Breadcrumb & page head
   ========================================================================== */
.breadcrumb { background: var(--soft); font-size: 14px; color: var(--muted); }
.breadcrumb .container { padding-top: 16px; padding-bottom: 16px; }
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--brand-700); }
.breadcrumb .sep { margin: 0 10px; color: var(--muted-2); }
.page-head { padding: 64px 0 40px; }
.page-head h1 { font-size: 40px; margin-bottom: 14px; }
.page-head p { max-width: 780px; color: var(--muted); font-size: 17px; }

/* ==========================================================================
   Product listing
   ========================================================================== */
.filter-bar {
  display: flex; flex-wrap: wrap; gap: 12px; align-items: center;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px 22px; margin-bottom: 32px;
}
.filter-bar label { font-size: 14px; font-weight: 600; margin-right: 6px; }
.filter-bar select {
  font-family: var(--font); font-size: 14px; padding: 9px 12px; border: 1px solid var(--line);
  border-radius: 8px; background: #fff; color: var(--ink);
}
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }

.pagination { margin-top: 48px; display: flex; justify-content: center; }
.pagination .xrpagination { display: flex; gap: 8px; }
.pagination a, .pagination span {
  min-width: 42px; height: 42px; display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--line); border-radius: 10px; padding: 0 14px; font-size: 15px; color: var(--ink);
}
.pagination .current, .pagination a:hover { background: var(--brand-700); color: #fff; border-color: var(--brand-700); }

/* ==========================================================================
   Product detail
   ========================================================================== */
.product-detail { display: grid; grid-template-columns: 1.1fr 1fr; gap: 48px; align-items: start; }
.gallery__main { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--soft); }
.gallery__main img { width: 100%; aspect-ratio: 1 / 1; object-fit: contain; }
.product-detail__title { font-size: 34px; margin-bottom: 12px; }
.product-detail__tagline { color: var(--muted); font-size: 17px; margin-bottom: 22px; }
.product-detail__bullets { margin: 0 0 26px; }
.product-detail__bullets li { padding-left: 28px; position: relative; margin-bottom: 10px; }
.product-detail__bullets li::before {
  content: ""; position: absolute; left: 0; top: 9px; width: 14px; height: 14px;
  background: var(--brand-100); border-radius: 50%;
}
.spec-table { width: 100%; border-collapse: collapse; margin: 26px 0; }
.spec-table th, .spec-table td {
  text-align: left; padding: 13px 16px; border-bottom: 1px solid var(--line); font-size: 15px;
}
.spec-table th { width: 42%; color: var(--muted); font-weight: 500; background: var(--soft); }
.product-detail__actions { display: flex; flex-wrap: wrap; gap: 14px; margin: 26px 0; }

.content-body { max-width: 900px; }
.content-body h2 { margin-top: 40px; }
.content-body p, .content-body li { color: #33424E; font-size: 16.5px; }
.content-body img { border-radius: var(--radius-sm); margin: 18px 0; }

.related-block { margin-top: 72px; }

/* ==========================================================================
   Process steps (OEM)
   ========================================================================== */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.step { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 24px; }
.step__no {
  font-family: var(--serif); font-size: 30px; color: var(--brand-600); margin-bottom: 12px;
}
.step h3 { font-size: 18px; margin-bottom: 8px; }
.step p { color: var(--muted); font-size: 15px; margin: 0; }

/* ==========================================================================
   CTA band
   ========================================================================== */
.cta-band { background: var(--brand-800); color: #fff; padding: 72px 0; }
.cta-band__inner { display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.cta-band h2 { color: #fff; margin-bottom: 10px; }
.cta-band p { color: #C3D8E4; margin: 0; }

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer { background: var(--navy); color: #AFC9D8; font-size: 15px; }
.footer-top { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; padding: 64px 0 40px; }
.footer-top h4 { color: #fff; font-size: 16px; margin-bottom: 18px; letter-spacing: 0.5px; }
.footer-top a { color: #AFC9D8; display: block; padding: 5px 0; }
.footer-top a:hover { color: #7FD0EC; }
.footer-brand img { height: 42px; margin-bottom: 18px; }
.footer-brand p { font-size: 14.5px; line-height: 1.7; }
.footer-contact li { display: flex; gap: 10px; margin-bottom: 12px; }
.footer-contact i { color: var(--brand-200); width: 18px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1); padding: 22px 0; display: flex;
  justify-content: space-between; flex-wrap: wrap; gap: 14px; font-size: 13.5px; color: #7F9BAD;
}
.footer-bottom a { color: #7F9BAD; margin-left: 18px; }

/* ==========================================================================
   Floating CTA rail
   ========================================================================== */
.cta-rail { position: fixed; right: 22px; bottom: 96px; z-index: 90; display: flex; flex-direction: column; gap: 12px; }
.cta-rail a {
  width: 50px; height: 50px; border-radius: 50%; background: var(--brand-700); color: #fff;
  display: flex; align-items: center; justify-content: center; box-shadow: var(--shadow-md); font-size: 20px;
}
.cta-rail a:hover { background: var(--brand-900); color: #fff; }
.cta-rail .rail-top { background: #fff; color: var(--brand-800); border: 1px solid var(--line); }

/* ==========================================================================
   Forms (RFQ / contact / search)
   ========================================================================== */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-grid .full { grid-column: 1 / -1; }
.form-grid label, .form-field label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 8px; }
.form-grid label .req, .form-field label .req { color: var(--danger); }
.form-grid input, .form-grid select, .form-grid textarea,
.form-field input, .form-field select, .form-field textarea {
  width: 100%; font-family: var(--font); font-size: 15px; padding: 13px 14px;
  border: 1px solid var(--line); border-radius: 10px; background: #fff; color: var(--ink);
  box-sizing: border-box;
}
.form-grid textarea, .form-field textarea { min-height: 130px; resize: vertical; }
.form-grid input:focus, .form-grid select:focus, .form-grid textarea:focus,
.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
  outline: none; border-color: var(--brand-600);
}
.radio-row { display: flex; flex-wrap: wrap; gap: 12px 20px; }
.radio-row label { display: inline-flex; align-items: center; gap: 6px; font-weight: 400; margin: 0; font-size: 14px; }
.radio-row input { width: auto; }
.form-honeypot { position: absolute; left: -9999px; visibility: hidden; }
.form-note { font-size: 13.5px; color: var(--muted); }

/* Search page */
.search-form { display: flex; gap: 12px; max-width: 620px; margin: 24px 0; }
.search-form input {
  flex: 1; padding: 15px 16px; border: 1px solid var(--line); border-radius: 10px; font-size: 16px;
}

/* FAQ */
.faq-item { border: 1px solid var(--line); border-radius: var(--radius-sm); margin-bottom: 14px; background: #fff; }
.faq-item summary { padding: 20px 22px; cursor: pointer; font-weight: 600; list-style: none; position: relative; }
.faq-item summary::after { content: "+"; position: absolute; right: 22px; color: var(--brand-700); font-size: 22px; }
.faq-item[open] summary::after { content: "–"; }
.faq-item .faq-body { padding: 0 22px 20px; color: var(--muted); }

/* Misc */
.img-placeholder { background: var(--soft); border-radius: var(--radius); }
.notice-box { background: var(--brand-100); border-left: 3px solid var(--brand-700); padding: 18px 22px; border-radius: 0 var(--radius-sm) var(--radius-sm) 0; margin: 22px 0; }
.msg-page { max-width: 620px; margin: 120px auto; text-align: center; }
.msg-page h1 { margin-bottom: 18px; }

/* ==========================================================================
   Extensions for P3-P6 pages (static business pages)
   ========================================================================== */
.page-hero { background: var(--navy); color: #fff; padding: 76px 0 60px; position: relative; overflow: hidden; }
.page-hero::after {
  content: ""; position: absolute; right: -140px; top: -140px; width: 420px; height: 420px;
  border-radius: 50%; background: radial-gradient(circle, rgba(45,170,211,.28), rgba(45,170,211,0) 70%);
}
.page-hero .container { position: relative; z-index: 1; }
.page-hero h1 { color: #fff; font-size: 42px; margin-bottom: 14px; }
.page-hero p { color: #C3D8E4; font-size: 18px; max-width: 760px; margin: 0; }
.page-hero .eyebrow { color: #7FD0EC; }
.page-hero .eyebrow::before { background: #7FD0EC; }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.split__media { border-radius: var(--radius); overflow: hidden; }
.split__media img { width: 100%; object-fit: cover; }

.stat-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.stat-box { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 26px; text-align: center; }
.stat-box__num { font-size: 34px; font-weight: 700; color: var(--brand-700); line-height: 1.1; }
.stat-box__num small { font-size: 16px; font-weight: 600; }
.stat-box__label { font-size: 13.5px; color: var(--muted); margin-top: 8px; letter-spacing: .4px; }

.tick-list li { padding-left: 30px; position: relative; margin-bottom: 11px; color: #33424E; }
.tick-list li::before {
  content: "✓"; position: absolute; left: 0; top: 0; width: 20px; height: 20px; line-height: 20px;
  background: var(--brand-100); color: var(--brand-800); border-radius: 50%; font-size: 12px; text-align: center;
}

.timeline { position: relative; padding-left: 30px; }
.timeline::before { content: ""; position: absolute; left: 8px; top: 6px; bottom: 6px; width: 2px; background: var(--brand-200); }
.timeline li { position: relative; padding: 0 0 26px 18px; }
.timeline li::before {
  content: ""; position: absolute; left: -29px; top: 7px; width: 14px; height: 14px;
  border-radius: 50%; background: #fff; border: 3px solid var(--brand-600);
}
.timeline h3 { font-size: 18px; margin-bottom: 5px; }
.timeline p { color: var(--muted); font-size: 15px; margin: 0; }

.cert-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 22px; text-align: center; transition: all .25s ease; }
.cert-card:hover { box-shadow: var(--shadow-md); }
.cert-card__img { height: 76px; display: flex; align-items: center; justify-content: center; margin-bottom: 14px; }
.cert-card__img img { max-height: 76px; width: auto; }
.cert-card h3 { font-size: 17px; margin-bottom: 6px; }
.cert-card p { font-size: 13.5px; color: var(--muted); margin: 0; }

.download-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; display: flex; align-items: center; gap: 16px; transition: all .25s ease; }
.download-card:hover { box-shadow: var(--shadow-md); }
.download-card__icon { width: 48px; height: 48px; flex: 0 0 48px; border-radius: 12px; background: var(--brand-100); color: var(--brand-800); display: flex; align-items: center; justify-content: center; font-size: 22px; }
.download-card h3 { font-size: 16px; margin-bottom: 3px; }
.download-card p { font-size: 13.5px; color: var(--muted); margin: 0; }

.contact-grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: 48px; align-items: start; }
.info-list li { display: flex; gap: 14px; margin-bottom: 18px; }
.info-list__icon { width: 44px; height: 44px; flex: 0 0 44px; border-radius: 12px; background: var(--brand-100); color: var(--brand-800); display: flex; align-items: center; justify-content: center; font-size: 19px; }
.info-list strong { display: block; font-size: 15px; margin-bottom: 4px; }
.info-list span { display: block; color: var(--muted); font-size: 14.5px; margin-top: 3px; }
.info-list a { color: var(--muted); font-size: 14.5px; }
.info-list a:hover { color: var(--brand-700); }

.gallery-thumbs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.gallery-thumbs img { width: 100%; aspect-ratio: 1/1; object-fit: cover; border-radius: var(--radius-sm); cursor: pointer; }

.tabs__nav { display: flex; gap: 8px; border-bottom: 1px solid var(--line); margin-bottom: 28px; flex-wrap: wrap; }
.tabs__nav button {
  background: none; border: 0; padding: 12px 20px; font-size: 15px; font-weight: 600;
  color: var(--muted); cursor: pointer; border-bottom: 3px solid transparent; font-family: var(--font);
}
.tabs__nav button.is-active { color: var(--brand-700); border-bottom-color: var(--brand-600); }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1199px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .trust-bar .container { grid-template-columns: repeat(3, 1fr); row-gap: 28px; }
  h1 { font-size: 38px; }
  .stat-row { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 991px) {
  .section { padding: 64px 0; }
  .main-nav {
    position: fixed; inset: 0 0 0 24%; background: #fff; z-index: 101;
    transform: translateX(110%); transition: transform .25s ease; box-shadow: var(--shadow-md);
    padding: 96px 28px 28px; overflow-y: auto;
  }
  .main-nav.is-open { transform: translateX(0); }
  .main-nav ul { flex-direction: column; align-items: stretch; gap: 2px; }
  .main-nav .submenu { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; padding-left: 18px; }
  .nav-toggle { display: block; z-index: 102; }
  .header-cta .btn--primary { display: none; }
  .hero__inner { padding: 84px 0 72px; }
  .hero h1 { font-size: 38px; }
  .product-detail { grid-template-columns: 1fr; }
  .grid-3, .steps { grid-template-columns: repeat(2, 1fr); }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .split { grid-template-columns: 1fr; gap: 32px; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 767px) {
  body { font-size: 15px; }
  .container { padding: 0 18px; }
  h1 { font-size: 32px; }
  h2 { font-size: 27px; }
  .topbar__note { display: none; }
  .topbar .container { justify-content: center; }
  .hero h1 { font-size: 31px; }
  .hero__lead { font-size: 17px; }
  .grid-4, .grid-3, .grid-2, .steps, .product-grid { grid-template-columns: 1fr; }
  .trust-bar .container { grid-template-columns: repeat(2, 1fr); }
  .form-grid { grid-template-columns: 1fr; }
  .cta-band__inner { flex-direction: column; align-items: flex-start; }
  .footer-top { grid-template-columns: 1fr; gap: 30px; }
  .cta-rail { right: 14px; bottom: 84px; }
  .page-hero h1 { font-size: 32px; }
  .gallery-thumbs { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 575px) {
  .section { padding: 52px 0; }
  .hero__actions .btn { width: 100%; }
  .product-detail__actions .btn { flex: 1; }
  .stat-row { grid-template-columns: 1fr; }
}

/* ==========================================================================
   Product catalog pages (list / category / show)
   ========================================================================== */
.page-head__lead { max-width: 820px; }

.cat-layout { display: grid; grid-template-columns: 268px 1fr; gap: 40px; align-items: start; }
.cat-rail { position: sticky; top: 24px; display: flex; flex-direction: column; gap: 6px; }
.cat-rail__title { font-size: 13px; text-transform: uppercase; letter-spacing: .12em; color: var(--muted); margin: 0 0 10px; }
.cat-rail__item {
  display: block; padding: 11px 16px; border-radius: var(--radius-sm); color: var(--ink);
  font-size: 15px; font-weight: 500; border: 1px solid transparent; transition: all .18s ease;
}
.cat-rail__item:hover { background: var(--soft); color: var(--brand-700); }
.cat-rail__item.is-active { background: var(--brand); color: #fff; }
.cat-rail__card {
  margin-top: 18px; padding: 20px; background: var(--soft); border-radius: var(--radius);
  border: 1px solid var(--line);
}
.cat-rail__card h4 { margin: 0 0 8px; font-size: 17px; }
.cat-rail__card p { color: var(--muted); font-size: 14px; margin-bottom: 14px; }

.cat-main { min-width: 0; }
.cat-toolbar {
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  padding: 14px 18px; margin-bottom: 26px; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); font-size: 14px; color: var(--muted); flex-wrap: wrap;
}
.cat-toolbar__hint { color: var(--brand-700); font-weight: 600; }

.product-card__badge {
  position: absolute; top: 12px; left: 12px; z-index: 2;
  background: rgba(11, 59, 82, .86); color: #fff; font-size: 12px; font-weight: 600;
  padding: 5px 11px; border-radius: 999px; letter-spacing: .04em;
}
.product-card__model {
  display: inline-block; font-size: 12.5px; font-weight: 700; letter-spacing: .08em;
  color: var(--brand-700); text-transform: uppercase; margin-bottom: 6px;
}
.product-card__specs { list-style: none; margin: 10px 0 0; padding: 0; border-top: 1px solid var(--line); padding-top: 10px; }
.product-card__specs li { font-size: 13px; color: var(--muted); padding: 3px 0; }
.product-card__specs strong { color: var(--ink); font-weight: 600; margin-right: 6px; }
.product-card--tall .product-card__media { aspect-ratio: 4 / 3; }

.subcat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.subcat-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; display: flex; flex-direction: column; transition: all .2s ease;
}
.subcat-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); border-color: transparent; }
.subcat-card__media { aspect-ratio: 4 / 3; background: var(--soft); overflow: hidden; }
.subcat-card__media img { width: 100%; height: 100%; object-fit: cover; }
.subcat-card__body { padding: 24px; display: flex; flex-direction: column; flex: 1; }
.subcat-card__body h2 { font-size: 20px; margin-bottom: 10px; }
.subcat-card__body p { color: var(--muted); font-size: 15px; flex: 1; }

/* Product detail */
.pd-section { padding: 48px 0 64px; }
.pd-layout { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: 48px; align-items: start; }
.pd-gallery { display: flex; flex-direction: column; gap: 14px; position: sticky; top: 24px; }
.pd-gallery__main {
  border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
  background: #fff; aspect-ratio: 1 / 1; display: flex; align-items: center; justify-content: center;
}
.pd-gallery__main img { max-width: 92%; max-height: 92%; object-fit: contain; }
.pd-gallery__sub { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; aspect-ratio: 16 / 9; background: var(--soft); }
.pd-gallery__sub img { width: 100%; height: 100%; object-fit: cover; }

.pd-summary__tags { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 16px; }
.tag { font-size: 13px; font-weight: 600; color: var(--ink); background: var(--soft); border: 1px solid var(--line); padding: 5px 12px; border-radius: 999px; }
.tag--brand { background: rgba(45, 170, 211, .12); color: var(--brand-800); border-color: rgba(45, 170, 211, .35); }
.pd-summary h1 { font-size: 34px; line-height: 1.15; margin-bottom: 14px; }
.pd-summary__desc { color: var(--muted); font-size: 16.5px; line-height: 1.65; }

.pd-facts { list-style: none; margin: 22px 0; padding: 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.pd-facts li {
  display: flex; justify-content: space-between; gap: 14px; align-items: baseline;
  background: var(--soft); border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: 11px 15px; font-size: 14px;
}
.pd-facts span { color: var(--muted); }
.pd-facts strong { color: var(--ink); text-align: right; }
.pd-cta { display: flex; gap: 12px; flex-wrap: wrap; margin: 22px 0 16px; }
.pd-trust { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 6px; font-size: 14px; color: var(--muted); }
.pd-trust li::before { content: "✓ "; color: var(--brand-700); font-weight: 700; }

.pd-detail { padding: 64px 0; }
.pd-detail__grid { display: grid; grid-template-columns: minmax(0, 6fr) minmax(0, 5fr); gap: 48px; align-items: start; }
.pd-h2 { font-size: 24px; margin: 0 0 18px; padding-bottom: 10px; border-bottom: 2px solid var(--brand); display: inline-block; }
.pd-note { font-size: 13.5px; color: var(--muted); margin-top: 10px; }

.oem-strip { background: var(--navy); color: #fff; padding: 34px 0; }
.oem-strip .container { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.oem-strip__item { display: flex; align-items: center; gap: 10px; font-size: 14.5px; font-weight: 600; }
.oem-strip__item span {
  width: 32px; height: 32px; border-radius: 50%; border: 1px solid rgba(255,255,255,.35);
  display: inline-flex; align-items: center; justify-content: center; font-size: 13px; color: var(--brand);
}

.btn--light { background: #fff; color: var(--brand-800); }
.btn--light:hover { background: var(--soft); color: var(--brand-800); }

/* Mega menu */
.submenu--mega { min-width: 420px; padding: 10px; display: flex; gap: 6px; }
.submenu--mega > li { flex: 1; border-radius: var(--radius-sm); }
.submenu--mega .mega-links { padding: 6px; }
.submenu--mega .mega-links li { border-bottom: 1px solid var(--line); }
.submenu--mega .mega-links li:last-child { border-bottom: 0; }
.submenu--mega .mega-links a { display: block; padding: 10px 12px; border-radius: var(--radius-sm); font-size: 14.5px; }
.submenu--mega .mega-links a:hover { background: var(--soft); }
.submenu--mega .mega-blurb { background: var(--navy); color: #fff; padding: 22px; display: flex; flex-direction: column; justify-content: center; gap: 8px; }
.submenu--mega .mega-blurb strong { font-size: 15.5px; }
.submenu--mega .mega-blurb p { color: #C3D8E4; font-size: 13.5px; margin: 0; }
.submenu--mega .mega-blurb .btn { margin-top: 6px; align-self: flex-start; }

@media (max-width: 1199px) {
  .subcat-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 991px) {
  .cat-layout { grid-template-columns: 1fr; }
  .cat-rail { position: static; flex-direction: row; flex-wrap: wrap; }
  .cat-rail__title { width: 100%; }
  .cat-rail__card { width: 100%; }
  .pd-layout { grid-template-columns: 1fr; gap: 32px; }
  .pd-gallery { position: static; }
  .pd-detail__grid { grid-template-columns: 1fr; }
  .oem-strip .container { justify-content: center; }
}

@media (max-width: 767px) {
  .pd-summary h1 { font-size: 27px; }
  .pd-facts { grid-template-columns: 1fr; }
  .subcat-grid { grid-template-columns: 1fr; }
}

/* ---- Factory film block ---- */
.film-block { margin-top: 10px; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-md); background: #000; position: relative; }
.film-block__video { display: block; width: 100%; aspect-ratio: 16 / 9; background: #000; }
@media (max-width: 640px) { .film-block__video { aspect-ratio: 4 / 3; } }
/* ===== Brochure photo gallery (factory page) ===== */
.foto-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.foto-grid figure { margin: 0; border-radius: var(--radius); overflow: hidden; background: #f2f5f7; }
.foto-grid img { width: 100%; height: 200px; object-fit: cover; display: block; }
.foto-grid figcaption { font-size: 13px; color: var(--muted); padding: 10px 12px; }
@media (max-width: 900px) { .foto-grid { grid-template-columns: repeat(2, 1fr); } .foto-grid img { height: 160px; } }
@media (max-width: 575px) { .foto-grid { grid-template-columns: 1fr; } .foto-grid img { height: 220px; } }