:root {
  --black: #0A0A0A;
  --blue: #0091DB;
  --blue-dark: #045D8C;
  --blue-tint: #E6F5FC;
  --amber: #E8A33D;
  --amber-dark: #7A4E0F;
  --amber-tint: #FDF2E1;
  --bg: #FAFBFC;
  --surface: #FFFFFF;
  --border: #E4E7EB;
  --text: #1A1D21;
  --text-secondary: #6B7280;
  --text-muted: #9CA3AF;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
}
h1, h2, h3, .display {
  font-family: 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;
  font-weight: 600;
  margin: 0;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; }

/* ---------- site header ---------- */
.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 16px 32px;
  display: flex;
  align-items: center;
  gap: 32px;
}
.site-header .logo { height: 34px; }
.search-bar {
  flex: 1;
  max-width: 560px;
  display: flex;
  align-items: center;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0 14px;
  height: 42px;
}
.search-bar input {
  border: none;
  background: transparent;
  outline: none;
  flex: 1;
  font-size: 14px;
  font-family: 'Inter', sans-serif;
  padding: 0 8px;
}
.search-bar svg { flex-shrink: 0; color: var(--text-muted); }
.header-right { margin-left: auto; display: flex; align-items: center; gap: 24px; }
.header-link { font-size: 14px; font-weight: 500; color: var(--text-secondary); cursor: pointer; }
.quote-cart-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--blue);
  color: #fff;
  border: none;
  padding: 10px 18px;
  border-radius: 8px;
  font-family: 'Inter', sans-serif;
  font-weight: 500;
  font-size: 14px;
  cursor: pointer;
}
.quote-cart-btn .count {
  background: var(--amber);
  color: var(--amber-dark);
  font-weight: 600;
  font-size: 12px;
  padding: 1px 6px;
  border-radius: 10px;
}

.nav-bar {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 0 32px;
  display: flex;
  gap: 28px;
  font-size: 14px;
  font-weight: 500;
}
.nav-bar a { padding: 14px 0; display: inline-block; color: var(--text-secondary); border-bottom: 2px solid transparent; }
.nav-bar a.current { color: var(--text); border-bottom-color: var(--blue); }

.container { max-width: 1240px; margin: 0 auto; padding: 32px; }

/* ---------- home page: diagonal hero ---------- */
.hero-split {
  position: relative;
  background: #fff;
  border-radius: 16px;
  overflow: hidden;
  display: flex;
  align-items: stretch;
  min-height: 420px;
  margin: 28px 0 0;
}
.hero-diagonal-bg {
  position: absolute;
  inset: 0;
  background: var(--blue);
  clip-path: polygon(38% 0, 100% 0, 100% 100%, 20% 100%);
  z-index: 1;
}
.hero-left {
  position: relative;
  z-index: 2;
  flex: 1.05;
  padding: 52px 44px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.hero-tag { font-size: 11px; text-transform: uppercase; letter-spacing: 0.06em; font-weight: 600; color: var(--text-muted); margin-bottom: 16px; }
.hero-left h1 { font-size: 34px; line-height: 1.18; margin-bottom: 14px; }
.hero-left h1 .l1 { color: var(--black); display: block; }
.hero-left h1 .l2 { color: var(--blue); display: block; }
.hero-left p { font-size: 14.5px; color: var(--text-secondary); max-width: 340px; margin: 0 0 26px; }
.hero-cta-row { display: flex; gap: 12px; align-items: center; }
.hero-cta-primary {
  background: var(--blue); color: #fff; border: none; padding: 13px 26px; border-radius: 30px;
  font-family: 'Inter', sans-serif; font-weight: 500; font-size: 14px; cursor: pointer;
  display: inline-flex; align-items: center; gap: 8px;
}
.hero-cta-secondary {
  background: #fff; color: var(--text); border: 1px solid var(--border); padding: 13px 22px; border-radius: 30px;
  font-family: 'Inter', sans-serif; font-weight: 500; font-size: 14px; cursor: pointer;
}
.hero-right {
  position: relative; z-index: 2; flex: 1;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: 30px 24px;
}
.hero-stage { position: relative; width: 80%; }
.hero-platform {
  position: absolute; left: 50%; bottom: -6px; transform: translateX(-50%);
  width: 72%; height: 20px; background: rgba(0,0,0,0.22); border-radius: 50%;
  filter: blur(3px); z-index: 1;
}
.hero-photo-frame {
  position: relative; z-index: 2; aspect-ratio: 1; background: rgba(255,255,255,0.95);
  border-radius: 14px; display: flex; align-items: center; justify-content: center;
  box-shadow: 0 18px 30px -12px rgba(0,0,0,0.28);
}
.hero-photo-frame img { width: 100%; height: 100%; object-fit: contain; padding: 22px; }
.hero-thumbs { position: relative; z-index: 2; display: flex; gap: 8px; margin-top: 22px; justify-content: center; }
.hero-thumb {
  width: 38px; height: 38px; border-radius: 8px; border: 2px solid rgba(255,255,255,0.55);
  overflow: hidden; cursor: pointer; background: rgba(255,255,255,0.92);
}
.hero-thumb.active { border-color: #fff; }
.hero-thumb img { width: 100%; height: 100%; object-fit: contain; padding: 4px; }

.seo-placeholder {
  background: var(--bg); border: 1px dashed #C7CBD1; border-radius: 10px;
  padding: 18px 22px; margin: 28px 0 40px; font-size: 13px; color: var(--text-secondary); line-height: 1.6;
}
.seo-placeholder .seo-label {
  display: inline-block; font-family: 'Inter', sans-serif; font-size: 10px; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-muted);
  background: var(--surface); border: 1px solid var(--border); padding: 3px 8px; border-radius: 5px;
  margin-bottom: 10px;
}

.section-title { font-size: 20px; margin-bottom: 18px; }
.section-title .sub { display: block; font-family: 'Inter', sans-serif; font-weight: 400; font-size: 13px; color: var(--text-muted); margin-top: 4px; }

.brand-tiles { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 44px; }
.brand-tile {
  background: var(--surface); border: 1px solid var(--border); border-radius: 12px;
  padding: 32px; cursor: pointer; transition: border-color 0.15s;
}
.brand-tile:hover { border-color: var(--blue); }
.brand-tile .brand-name { font-size: 22px; margin-bottom: 6px; }
.brand-tile .brand-desc { font-size: 13px; color: var(--text-secondary); margin-bottom: 16px; }
.brand-tile .brand-meta { font-size: 12px; color: var(--text-muted); }

.category-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; margin-bottom: 44px; }
.category-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: 10px;
  padding: 20px 16px; text-align: center; cursor: pointer; font-size: 13px; font-weight: 500;
  transition: border-color 0.15s;
}
.category-card:hover { border-color: var(--blue); color: var(--blue-dark); }
.category-card .cc-count { display: block; font-size: 11px; color: var(--text-muted); font-weight: 400; margin-top: 4px; }

.offers-strip {
  background: var(--amber-tint); border: 1px solid #F3D9AA; border-radius: 12px;
  padding: 22px 28px; display: flex; align-items: center; justify-content: space-between;
}
.offers-strip .offers-text h3 { font-size: 16px; color: var(--amber-dark); margin-bottom: 4px; }
.offers-strip .offers-text p { font-size: 13px; color: #8A5A18; margin: 0; }
.offers-strip button { background: var(--amber-dark); color: #fff; border: none; padding: 10px 20px; border-radius: 8px; font-family: 'Inter', sans-serif; font-weight: 500; font-size: 13px; cursor: pointer; }

/* ---------- breadcrumb ---------- */
.breadcrumb { font-size: 13px; color: var(--text-muted); margin-bottom: 20px; }
.breadcrumb a { color: var(--text-secondary); }
.breadcrumb a:hover { color: var(--blue); }

/* ---------- browse layout ---------- */
.browse-layout { display: grid; grid-template-columns: 220px 1fr; gap: 32px; }
.facet-group { margin-bottom: 26px; }
.facet-group h4 { font-family: 'Inter', sans-serif; font-size: 12px; text-transform: uppercase; letter-spacing: 0.04em; color: var(--text-muted); margin-bottom: 12px; font-weight: 600; }
.facet-item { display: flex; align-items: center; justify-content: space-between; gap: 8px; font-size: 13px; padding: 5px 0; color: var(--text-secondary); cursor: pointer; }
.facet-item input { accent-color: var(--blue); }
.facet-item .fi-count { color: var(--text-muted); font-size: 11px; }
.facet-clear { font-size: 12px; color: var(--blue-dark); cursor: pointer; margin-bottom: 18px; display: inline-block; }

.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.product-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: 12px;
  overflow: hidden; cursor: grab; transition: box-shadow 0.15s, border-color 0.15s;
}
.product-card:hover { border-color: var(--blue); }
.product-card.dragging { opacity: 0.4; }
.product-card .thumb-wrap { position: relative; background: #F4F5F7; aspect-ratio: 1; display: flex; align-items: center; justify-content: center; }
.product-card img { width: 100%; height: 100%; object-fit: contain; padding: 14px; }
.product-card .drag-hint {
  position: absolute; top: 8px; right: 8px; background: rgba(10,10,10,0.7); color: #fff; font-size: 10px;
  padding: 3px 7px; border-radius: 5px; opacity: 0; transition: opacity 0.15s;
}
.product-card:hover .drag-hint { opacity: 1; }
.product-card .info { padding: 12px 14px 14px; }
.product-card .brand-tag { font-size: 10px; text-transform: uppercase; letter-spacing: 0.04em; color: var(--blue-dark); font-weight: 600; margin-bottom: 4px; }
.product-card .title { font-size: 13px; font-weight: 500; margin-bottom: 3px; line-height: 1.35; }
.product-card .code { font-size: 11px; color: var(--text-muted); }
.no-results { grid-column: 1 / -1; text-align: center; padding: 60px 20px; color: var(--text-muted); font-size: 14px; }

/* ---------- search results ---------- */
.search-header { margin-bottom: 28px; }
.search-header h2 { font-size: 22px; margin-bottom: 6px; }
.search-header p { font-size: 13px; color: var(--text-secondary); margin: 0; }
.result-group { margin-bottom: 36px; }
.result-group h3 { font-size: 15px; margin-bottom: 14px; display: flex; align-items: center; gap: 8px; }
.result-group h3 .tag { font-size: 10px; text-transform: uppercase; background: var(--blue-tint); color: var(--blue-dark); padding: 3px 8px; border-radius: 5px; font-weight: 600; letter-spacing: 0.03em; }
.result-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }

/* ---------- product page ---------- */
.product-layout { display: grid; grid-template-columns: 440px 1fr; gap: 48px; }
.gallery-main {
  background: #F4F5F7; border-radius: 12px; aspect-ratio: 1;
  display: flex; align-items: center; justify-content: center; margin-bottom: 14px;
}
.gallery-main img { width: 100%; height: 100%; object-fit: contain; padding: 30px; }
.no-image { color: var(--text-muted); font-size: 13px; }
.thumb-strip { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 10px; }
.thumb-strip .thumb {
  width: 56px; height: 56px; border-radius: 8px; border: 1.5px solid var(--border);
  background: #F4F5F7; cursor: pointer; overflow: hidden;
}
.thumb-strip .thumb.active { border-color: var(--blue); }
.thumb-strip .thumb img { width: 100%; height: 100%; object-fit: contain; padding: 6px; }
.colour-label-row { font-size: 13px; color: var(--text-secondary); }
.colour-label-row span { font-weight: 500; color: var(--text); }

.product-info .brand-tag { font-size: 11px; text-transform: uppercase; letter-spacing: 0.04em; color: var(--blue-dark); font-weight: 600; margin-bottom: 8px; }
.product-info h1 { font-size: 26px; margin-bottom: 8px; line-height: 1.3; }
.product-info .code-row { font-size: 13px; color: var(--text-muted); margin-bottom: 20px; }
.quote-note { background: var(--blue-tint); border-radius: 8px; padding: 12px 16px; font-size: 13px; color: var(--blue-dark); margin-bottom: 24px; }

.spec-block { margin-bottom: 24px; }
.spec-block h4 { font-family: 'Inter', sans-serif; font-size: 12px; text-transform: uppercase; letter-spacing: 0.04em; color: var(--text-muted); margin-bottom: 10px; font-weight: 600; }
.feature-list { list-style: none; padding: 0; margin: 0; font-size: 13px; color: var(--text-secondary); }
.feature-list li { padding: 5px 0 5px 18px; position: relative; line-height: 1.5; }
.feature-list li::before { content: ''; width: 5px; height: 5px; border-radius: 50%; background: var(--blue); position: absolute; left: 0; top: 12px; }
.tag-chip { display: inline-block; background: var(--bg); border: 1px solid var(--border); font-size: 12px; color: var(--text-secondary); padding: 5px 11px; border-radius: 16px; margin: 0 6px 6px 0; }

.add-quote-btn {
  background: var(--blue); color: #fff; border: none; padding: 14px 28px; border-radius: 8px;
  font-family: 'Inter', sans-serif; font-weight: 500; font-size: 14px; cursor: pointer; width: 100%; margin-top: 8px;
}
.add-quote-btn.added { background: var(--amber-dark); }
.sizing-chart-img { max-width: 100%; border-radius: 8px; border: 1px solid var(--border); }

/* ---------- quote tray (persists across pages via localStorage) ---------- */
.quote-tray {
  position: fixed; top: 0; right: 0; height: 100vh; width: 360px;
  background: var(--surface); border-left: 1px solid var(--border);
  box-shadow: -8px 0 24px rgba(0,0,0,0.06);
  transform: translateX(100%); transition: transform 0.25s ease;
  z-index: 50; display: flex; flex-direction: column;
}
.quote-tray.open { transform: translateX(0); }
.quote-tray-header { padding: 20px 22px; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; }
.quote-tray-header h3 { font-size: 16px; }
.quote-tray-header button { background: none; border: none; cursor: pointer; color: var(--text-muted); font-size: 18px; }
.quote-tray-body { flex: 1; overflow-y: auto; padding: 16px 22px; }
.quote-tray-empty { text-align: center; color: var(--text-muted); font-size: 13px; padding: 60px 20px; }
.quote-line { display: flex; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--border); align-items: center; }
.quote-line img { width: 48px; height: 48px; object-fit: contain; background: #F4F5F7; border-radius: 6px; padding: 4px; }
.quote-line .ql-info { flex: 1; }
.quote-line .ql-title { font-size: 12.5px; font-weight: 500; line-height: 1.3; }
.quote-line .ql-code { font-size: 11px; color: var(--text-muted); }
.quote-line .ql-remove { background: none; border: none; color: var(--text-muted); cursor: pointer; font-size: 14px; }
.quote-tray-footer { padding: 18px 22px; border-top: 1px solid var(--border); }
.quote-tray-footer button { width: 100%; background: var(--blue); color: #fff; border: none; padding: 13px; border-radius: 8px; font-family: 'Inter', sans-serif; font-weight: 500; font-size: 14px; cursor: pointer; }
.quote-tray-footer p { font-size: 11px; color: var(--text-muted); text-align: center; margin: 10px 0 0; }
.drop-zone-active .quote-tray { box-shadow: -8px 0 24px rgba(0,145,219,0.25); }

@media (max-width: 900px) {
  .product-layout { grid-template-columns: 1fr; }
  .browse-layout { grid-template-columns: 1fr; }
  .hero-split { flex-direction: column; }
  .category-grid { grid-template-columns: repeat(2, 1fr); }
  .result-row { grid-template-columns: repeat(2, 1fr); }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
}