/* ======================================================
   JACKSGRID SMART HOME — Customer Website
   Tech / smart home theme
   ====================================================== */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Inter:wght@300;400;500;600&family=JetBrains+Mono:wght@400;500&display=swap');

/* ── VARIABLES ─────────────────────────────────────── */
:root {
  --bg:           #F8FAFC;
  --bg-card:      #FFFFFF;
  --bg-elevated:  #FFFFFF;
  --bg-hover:     #F1F5F9;
  --blue:         #2563EB;
  --gold:         #B58A28;
  --blue-light:   #1D4ED8;
  --blue-dim:     rgba(37,99,235,0.06);
  --blue-border:  rgba(37,99,235,0.15);
  --cyan:         #06B6D4;
  --cyan-dim:     rgba(6,182,212,0.06);
  --green:        #10B981;
  --text:         #0F172A;
  --text-muted:   #475569;
  --text-dim:     #94A3B8;
  --border:       #E2E8F0;
  --danger:       #EF4444;
  --success:      #10B981;
  --radius-sm:    8px;
  --radius:       14px;
  --radius-lg:    22px;
  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-body:    'Inter', system-ui, sans-serif;
  --font-mono:    'JetBrains Mono', 'Fira Code', monospace;
  --transition:   0.25s ease;
  --shadow-blue:  0 8px 30px rgba(37,99,235,0.06);
  --shadow-card:  0 4px 6px -1px rgba(0,0,0,0.05), 0 2px 4px -2px rgba(0,0,0,0.05);
  --max-w:        1200px;
}

/* ── RESET ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ── SCROLLBAR ─────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--blue-border); border-radius: 3px; }

/* ── TYPOGRAPHY ────────────────────────────────────── */
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 600; line-height: 1.2; }
.section-label {
  display: inline-block;
  font-size: 0.70rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 0.75rem;
  font-family: var(--font-mono);
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}
.section-subtitle {
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 560px;
  line-height: 1.7;
}
.blue-text { color: var(--blue); }

/* ── LAYOUT ────────────────────────────────────────── */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }
section { padding: 96px 0; }

/* ── BUTTONS ───────────────────────────────────────── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  background: var(--blue);
  color: #fff;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  letter-spacing: 0.02em;
}
.btn-primary:hover {
  background: var(--blue-light);
  color: var(--bg);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(77,142,245,0.4);
}
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border: 1px solid var(--blue-border);
  color: var(--blue);
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.btn-outline:hover { background: var(--blue-dim); border-color: var(--blue); }
.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  color: var(--text-muted);
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.btn-ghost:hover { background: var(--bg-elevated); color: var(--text); }

/* ── NAVBAR ────────────────────────────────────────── */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 0 24px;
  transition: var(--transition);
}
#navbar .nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
#navbar.scrolled {
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-logo { display: flex; flex-direction: column; line-height: 1; }
.nav-logo-zh {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--blue);
  letter-spacing: 0.02em;
}
.nav-logo-en {
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-top: 1px;
  font-family: var(--font-mono);
}
.nav-links { display: flex; align-items: center; gap: 32px; }
.nav-links a { font-size: 0.85rem; color: var(--text-muted); letter-spacing: 0.03em; transition: var(--transition); }
.nav-links a:hover { color: var(--blue); }
.nav-cta { display: flex; align-items: center; gap: 12px; }
.basket-btn {
  position: relative;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border: 1px solid var(--blue-border);
  border-radius: var(--radius-sm);
  color: var(--blue);
  font-size: 0.82rem;
  font-weight: 500;
  transition: var(--transition);
}
.basket-btn svg { width: 16px; height: 16px; stroke: currentColor; }
.basket-btn:hover { background: var(--blue-dim); }
.basket-count {
  position: absolute;
  top: -6px; right: -6px;
  background: var(--blue);
  color: #fff;
  font-size: 0.65rem;
  font-weight: 700;
  width: 16px; height: 16px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  display: none;
}
.basket-count.visible { display: flex; }
.nav-toggle { display: none; flex-direction: column; gap: 5px; padding: 6px; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--text); border-radius: 2px; transition: var(--transition); }

/* ── HERO ──────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 0 24px;
  background: var(--bg);
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(77,142,245,0.13) 1px, transparent 1px);
  background-size: 32px 32px;
  -webkit-mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 80%);
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 80%);
}
.hero-glow-1 {
  position: absolute;
  width: 700px; height: 700px;
  border-radius: 50%;
  background: radial-gradient(ellipse at center, rgba(77,142,245,0.10) 0%, transparent 70%);
  right: -5%; top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
  animation: glow-pulse 6s ease-in-out infinite;
}
.hero-glow-2 {
  position: absolute;
  width: 500px; height: 500px;
  border-radius: 50%;
  background: radial-gradient(ellipse at center, rgba(34,211,238,0.07) 0%, transparent 70%);
  left: -8%; bottom: 5%;
  pointer-events: none;
  animation: glow-pulse 8s ease-in-out 2s infinite;
}
@keyframes glow-pulse {
  0%, 100% { opacity: 0.7; }
  50% { opacity: 1; }
}
.hero-content {
  position: relative;
  z-index: 1;
  max-width: var(--max-w);
  margin: 0 auto;
  padding-top: 80px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 16px;
  border: 1px solid var(--blue-border);
  border-radius: 40px;
  font-size: 0.70rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue-light);
  margin-bottom: 28px;
  background: var(--blue-dim);
  font-family: var(--font-mono);
}
.badge-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 0 rgba(52,211,153,0.4);
  animation: pulse-dot 2s ease-in-out infinite;
  flex-shrink: 0;
}
@keyframes pulse-dot {
  0%   { box-shadow: 0 0 0 0 rgba(52,211,153,0.4); }
  70%  { box-shadow: 0 0 0 6px rgba(52,211,153,0); }
  100% { box-shadow: 0 0 0 0 rgba(52,211,153,0); }
}
.hero h1 {
  font-size: clamp(2.6rem, 6.5vw, 5rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}
.hero h1 em {
  font-style: normal;
  background: linear-gradient(135deg, var(--blue) 0%, var(--cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-sub {
  font-size: 1.08rem;
  color: var(--text-muted);
  max-width: 520px;
  line-height: 1.75;
  margin-bottom: 36px;
}
.hero-actions { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  background: rgba(15,23,42,0.04);
  border: 1px solid rgba(15,23,42,0.08);
  border-radius: 40px;
  font-size: 0.68rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  font-family: var(--font-mono);
}
.tag-dot {
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--text-dim);
  flex-shrink: 0;
}
.tag-dot.green { background: var(--green); }
.tag-dot.blue  { background: var(--blue); }
.tag-dot.cyan  { background: var(--cyan); }
.hero-scroll {
  position: absolute;
  bottom: 40px; left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-dim);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-family: var(--font-mono);
  animation: scroll-bounce 2s ease-in-out infinite;
}
.hero-scroll-line {
  width: 1px; height: 40px;
  background: linear-gradient(to bottom, var(--blue-border), transparent);
}
@keyframes scroll-bounce {
  0%, 100% { opacity: 0.5; transform: translateX(-50%) translateY(0); }
  50%       { opacity: 1;   transform: translateX(-50%) translateY(6px); }
}

/* ── STATS BAR ─────────────────────────────────────── */
.stats-bar {
  padding: 28px 24px;
  background: var(--bg-elevated);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.stats-bar .container {
  display: flex;
  justify-content: space-around;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
}
.stat-item { text-align: center; }
.stat-number {
  display: block;
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--blue);
}
.stat-label {
  font-size: 0.72rem;
  color: var(--text-muted);
  letter-spacing: 0.07em;
  text-transform: uppercase;
  font-family: var(--font-mono);
}

/* ── CATEGORIES ────────────────────────────────────── */
.categories { background: var(--bg); }
.categories .container { text-align: center; }
.categories .section-subtitle { margin: 0 auto 48px; }
.cat-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 12px; }
.cat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 12px;
  text-align: center;
  transition: var(--transition);
  cursor: pointer;
}
.cat-card:hover,
.cat-card.active {
  border-color: var(--blue-border);
  background: var(--bg-elevated);
  transform: translateY(-3px);
  box-shadow: var(--shadow-blue);
}
.cat-card.active .cat-icon svg { stroke: var(--blue); }
.cat-card.active .cat-zh { color: var(--blue); }
.cat-icon {
  width: 44px; height: 44px;
  margin: 0 auto 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-elevated);
  border-radius: 10px;
  transition: var(--transition);
}
.cat-card:hover .cat-icon,
.cat-card.active .cat-icon { background: var(--blue-dim); }
.cat-icon svg { width: 22px; height: 22px; stroke: var(--text-muted); transition: var(--transition); }
.cat-card:hover .cat-icon svg { stroke: var(--blue); }
.cat-zh {
  display: block;
  font-family: var(--font-display);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 2px;
  transition: var(--transition);
}
.cat-en { font-size: 0.62rem; color: var(--text-dim); letter-spacing: 0.05em; font-family: var(--font-mono); }

/* ── PRODUCTS ──────────────────────────────────────── */
.products { background: var(--bg); }
.products-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 32px;
  gap: 24px;
  flex-wrap: wrap;
}
.products-filter-tabs { display: flex; gap: 8px; flex-wrap: wrap; }
.filter-tab {
  padding: 6px 14px;
  border: 1px solid var(--border);
  border-radius: 40px;
  font-size: 0.78rem;
  color: var(--text-muted);
  transition: var(--transition);
}
.filter-tab:hover { border-color: var(--blue-border); color: var(--text); }
.filter-tab.active { background: var(--blue); color: #fff; border-color: var(--blue); font-weight: 600; }
.product-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.product-card:hover {
  border-color: var(--blue-border);
  transform: translateY(-3px);
  box-shadow: var(--shadow-blue);
}
.product-image {
  aspect-ratio: 4/3;
  background: var(--bg-elevated);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.product-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(77,142,245,0.05) 0%, transparent 70%);
  pointer-events: none;
}
.product-image-placeholder { display: flex; flex-direction: column; align-items: center; gap: 8px; }
.product-image-placeholder svg { width: 36px; height: 36px; stroke: var(--blue-border); }
.product-image-placeholder span { font-size: 0.62rem; color: var(--text-dim); letter-spacing: 0.08em; text-transform: uppercase; font-family: var(--font-mono); }
.product-cat-badge {
  position: absolute;
  top: 10px; left: 10px;
  padding: 3px 8px;
  background: rgba(241,245,249,0.85);
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 0.60rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  backdrop-filter: blur(4px);
  font-family: var(--font-mono);
}
.product-body { padding: 16px; flex: 1; display: flex; flex-direction: column; }
.product-name {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.4;
  margin-bottom: 6px;
  flex: 1;
  font-family: var(--font-display);
}
.product-desc {
  font-size: 0.77rem;
  color: var(--text-muted);
  line-height: 1.55;
  margin-bottom: 14px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.product-footer { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.product-price { display: flex; flex-direction: column; }
.price-amount { font-family: var(--font-display); font-size: 1.1rem; font-weight: 700; color: var(--blue); }
.price-unit { font-size: 0.65rem; color: var(--text-dim); font-family: var(--font-mono); }
.add-to-quote-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  background: var(--blue-dim);
  border: 1px solid var(--blue-border);
  border-radius: var(--radius-sm);
  color: var(--blue);
  font-size: 0.78rem;
  font-weight: 500;
  transition: var(--transition);
  white-space: nowrap;
}
.add-to-quote-btn:hover { background: var(--blue); color: #fff; border-color: var(--blue); }
.add-to-quote-btn svg { width: 14px; height: 14px; stroke: currentColor; }
.no-results { grid-column: 1 / -1; text-align: center; padding: 60px 0; color: var(--text-muted); }
.view-all-wrap { text-align: center; margin-top: 40px; }

/* ── BUY & SELL ────────────────────────────────────── */
.buy-sell {
  background: var(--bg-elevated);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.buy-sell-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2px; }
.buy-sell-panel { padding: 56px 48px; position: relative; overflow: hidden; }
.buy-sell-panel::before {
  content: '';
  position: absolute;
  top: -60px; right: -60px;
  width: 200px; height: 200px;
  border-radius: 50%;
  opacity: 0.06;
}
.buy-panel::before  { background: var(--blue);  right: -40px; top: -40px; }
.sell-panel         { border-left: 1px solid var(--border); }
.sell-panel::before { background: var(--cyan);  left: -40px;  top: -40px; }
.buy-sell-panel h3  { font-family: var(--font-display); font-size: 1.5rem; font-weight: 600; color: var(--text); margin-bottom: 12px; }
.buy-sell-panel p   { color: var(--text-muted); line-height: 1.7; margin-bottom: 20px; font-size: 0.95rem; }
.buy-sell-list { margin-bottom: 28px; }
.buy-sell-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-muted);
  font-size: 0.88rem;
  padding: 6px 0;
  border-bottom: 1px solid var(--border);
}
.buy-sell-list li:last-child { border-bottom: none; }
.buy-sell-list li::before { content: ''; width: 6px; height: 6px; background: var(--blue); border-radius: 50%; flex-shrink: 0; }

/* ── WHY US ────────────────────────────────────────── */
.why-us { background: var(--bg); }
.why-us .container { text-align: center; }
.why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 48px; }
.why-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  text-align: left;
  transition: var(--transition);
}
.why-card:hover { border-color: var(--blue-border); background: var(--bg-elevated); box-shadow: var(--shadow-blue); }
.why-icon {
  width: 48px; height: 48px;
  background: var(--blue-dim);
  border: 1px solid var(--blue-border);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.why-icon svg { width: 22px; height: 22px; stroke: var(--blue); }
.why-card h4 { font-family: var(--font-display); font-size: 1.05rem; font-weight: 600; color: var(--text); margin-bottom: 8px; }
.why-card p  { font-size: 0.88rem; color: var(--text-muted); line-height: 1.65; }

/* ── SOURCING ──────────────────────────────────────── */
.sourcing { background: var(--bg-elevated); border-top: 1px solid var(--border); }
.sourcing-intro { margin-bottom: 40px; }
.sourcing-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.sourcing-panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
}
.sourcing-panel h4 { font-family: var(--font-display); font-size: 1.05rem; font-weight: 600; color: var(--text); margin-bottom: 6px; }
.sourcing-panel .panel-desc { font-size: 0.82rem; color: var(--text-muted); margin-bottom: 20px; }
.sourcing-list li { border-bottom: 1px solid var(--border); padding: 14px 0; }
.sourcing-list li:last-child { border-bottom: none; }
.sourcing-name {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 2px;
}
.sourcing-name::before { content: ''; width: 5px; height: 5px; background: var(--blue); border-radius: 50%; flex-shrink: 0; }
.sourcing-sub { font-size: 0.78rem; color: var(--text-dim); padding-left: 13px; }

/* ── QUOTE CTA ─────────────────────────────────────── */
.quote-cta { background: var(--bg); border-top: 1px solid var(--border); }
.quote-inner {
  background: var(--bg-elevated);
  border: 1px solid var(--blue-border);
  border-radius: var(--radius-lg);
  padding: 56px 48px;
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  align-items: start;
  position: relative;
  overflow: hidden;
}
.quote-inner::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--blue), var(--cyan), transparent);
}
.quote-info h2 { font-size: clamp(1.6rem, 2.5vw, 2.2rem); margin-bottom: 14px; }
.quote-info p  { color: var(--text-muted); line-height: 1.7; font-size: 0.95rem; margin-bottom: 20px; }
.quote-contact-items { display: flex; flex-direction: column; gap: 10px; }
.quote-contact-item { display: flex; align-items: center; gap: 10px; font-size: 0.88rem; color: var(--text-muted); }
.quote-contact-item svg { width: 16px; height: 16px; stroke: var(--blue); flex-shrink: 0; }
.quote-form { display: flex; flex-direction: column; gap: 14px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: 0.70rem; color: var(--text-muted); letter-spacing: 0.08em; text-transform: uppercase; font-family: var(--font-mono); }
.form-group input,
.form-group textarea,
.form-group select {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 11px 14px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.9rem;
  transition: var(--transition);
  outline: none;
  -webkit-appearance: none;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--blue-border);
  background: var(--bg-elevated);
  box-shadow: 0 0 0 3px rgba(77,142,245,0.08);
}
.form-group textarea { resize: vertical; min-height: 100px; }
.form-success {
  background: rgba(52,211,153,0.06);
  border: 1px solid rgba(52,211,153,0.25);
  border-radius: var(--radius-sm);
  padding: 14px;
  color: var(--success);
  font-size: 0.88rem;
  display: none;
  text-align: center;
}
.form-success.visible { display: block; }

/* ── CONTACT ───────────────────────────────────────── */
.contact { background: var(--bg-elevated); border-top: 1px solid var(--border); }
.contact-grid { display: grid; grid-template-columns: 1fr 1.6fr; gap: 48px; align-items: start; }
.contact-info h2 { font-size: 1.8rem; margin-bottom: 24px; }
.contact-items { display: flex; flex-direction: column; gap: 16px; }
.contact-item { display: flex; align-items: flex-start; gap: 14px; }
.contact-item-icon {
  width: 38px; height: 38px;
  background: var(--blue-dim);
  border: 1px solid var(--blue-border);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.contact-item-icon svg { width: 16px; height: 16px; stroke: var(--blue); }
.contact-item-body { display: flex; flex-direction: column; }
.contact-item-label { font-size: 0.68rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-dim); margin-bottom: 2px; font-family: var(--font-mono); }
.contact-item-value { font-size: 0.9rem; color: var(--text); }
.contact-item-value a { color: var(--blue); }
.contact-map-placeholder {
  aspect-ratio: 16/9;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: var(--text-dim);
}
.contact-map-placeholder svg { width: 32px; height: 32px; stroke: var(--text-dim); }
.contact-map-placeholder span { font-size: 0.82rem; }
.wa-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 24px;
  background: #25D366;
  color: #fff;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  margin-top: 24px;
}
.wa-btn:hover { background: #20bf5c; transform: translateY(-1px); }
.wa-btn svg { width: 18px; height: 18px; }

/* ── FOOTER ────────────────────────────────────────── */
footer { background: var(--bg); border-top: 1px solid var(--border); padding: 40px 24px; }
.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}
.footer-logo-zh { font-family: var(--font-display); font-size: 1.4rem; font-weight: 700; color: var(--blue); }
.footer-links { display: flex; gap: 24px; }
.footer-links a { font-size: 0.82rem; color: var(--text-dim); transition: var(--transition); }
.footer-links a:hover { color: var(--blue); }
.footer-copy { font-size: 0.78rem; color: var(--text-dim); }

/* ── QUOTE BASKET DRAWER ────────────────────────────── */
.basket-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.7); z-index: 2000; opacity: 0; pointer-events: none; transition: opacity 0.28s ease; }
.basket-overlay.open { opacity: 1; pointer-events: all; }
.basket-drawer {
  position: fixed;
  top: 0; right: 0; bottom: 0;
  width: 420px; max-width: 95vw;
  background: var(--bg-elevated);
  border-left: 1px solid var(--border);
  z-index: 2001;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.32s cubic-bezier(0.32, 0.72, 0, 1);
}
.basket-overlay.open .basket-drawer { transform: translateX(0); }
.basket-head { display: flex; justify-content: space-between; align-items: center; padding: 20px 24px; border-bottom: 1px solid var(--border); }
.basket-head h3 { font-family: var(--font-display); font-size: 1rem; font-weight: 600; }
.basket-close { display: flex; align-items: center; justify-content: center; width: 32px; height: 32px; border-radius: 8px; transition: var(--transition); color: var(--text-muted); }
.basket-close:hover { background: var(--bg-card); color: var(--text); }
.basket-close svg { width: 18px; height: 18px; stroke: currentColor; }
.basket-items { flex: 1; overflow-y: auto; padding: 16px 24px; }
.basket-empty { height: 100%; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 12px; color: var(--text-dim); }
.basket-empty svg { width: 40px; height: 40px; stroke: var(--text-dim); }
.basket-empty p { font-size: 0.88rem; }
.basket-item { display: flex; align-items: start; gap: 12px; padding: 14px 0; border-bottom: 1px solid var(--border); }
.basket-item:last-child { border-bottom: none; }
.basket-item-info { flex: 1; }
.basket-item-name { font-size: 0.88rem; font-weight: 500; color: var(--text); line-height: 1.35; margin-bottom: 4px; }
.basket-item-unit { font-size: 0.72rem; color: var(--text-dim); font-family: var(--font-mono); }
.basket-item-price { font-size: 0.85rem; color: var(--blue); font-weight: 600; white-space: nowrap; }
.basket-item-qty { display: flex; align-items: center; gap: 8px; margin-top: 8px; }
.qty-btn { width: 24px; height: 24px; border: 1px solid var(--border); border-radius: 6px; display: flex; align-items: center; justify-content: center; color: var(--text-muted); font-size: 0.9rem; transition: var(--transition); }
.qty-btn:hover { border-color: var(--blue-border); color: var(--blue); }
.qty-input { width: 36px; text-align: center; background: var(--bg-card); border: 1px solid var(--border); border-radius: 6px; color: var(--text); font-size: 0.85rem; padding: 2px 4px; outline: none; }
.basket-remove { color: var(--text-dim); font-size: 0.75rem; margin-left: auto; padding: 2px 6px; border-radius: 4px; transition: var(--transition); }
.basket-remove:hover { color: var(--danger); background: rgba(248,113,113,0.08); }
.basket-footer { padding: 20px 24px; border-top: 1px solid var(--border); background: var(--bg-card); }
.basket-total-row { display: flex; justify-content: space-between; align-items: center; margin-bottom: 4px; }
.basket-total-label { font-size: 0.82rem; color: var(--text-muted); }
.basket-total-gst { font-size: 0.78rem; color: var(--text-dim); margin-bottom: 12px; }
.basket-total-amount { font-family: var(--font-display); font-size: 1.2rem; font-weight: 700; color: var(--blue); }
.basket-actions { display: flex; flex-direction: column; gap: 8px; }
.basket-wa-btn { display: flex; align-items: center; justify-content: center; gap: 8px; padding: 13px; background: #25D366; color: #fff; font-size: 0.88rem; font-weight: 600; border-radius: var(--radius-sm); transition: var(--transition); }
.basket-wa-btn:hover { background: #20bf5c; }
.basket-wa-btn svg { width: 16px; height: 16px; }
.basket-clear-btn { text-align: center; padding: 8px; color: var(--text-dim); font-size: 0.78rem; transition: var(--transition); border-radius: var(--radius-sm); }
.basket-clear-btn:hover { color: var(--danger); background: rgba(248,113,113,0.06); }

/* ── QUOTE VIEWER PAGE ──────────────────────────────── */
.quote-page { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 100px 24px 60px; background: var(--bg); }
.quote-document { width: 100%; max-width: 760px; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; }
.quote-doc-header { background: var(--bg-elevated); padding: 36px 40px; border-bottom: 1px solid var(--border); display: flex; justify-content: space-between; align-items: flex-end; position: relative; }
.quote-doc-header::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px; background: linear-gradient(90deg, transparent, var(--blue), var(--cyan), transparent); }
.quote-shop-name { font-family: var(--font-display); font-size: 1.6rem; font-weight: 700; color: var(--blue); }
.quote-shop-sub { font-size: 0.70rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-dim); font-family: var(--font-mono); }
.quote-meta { text-align: right; }
.quote-number { font-family: var(--font-display); font-size: 1rem; font-weight: 600; color: var(--text); }
.quote-dates { font-size: 0.78rem; color: var(--text-muted); margin-top: 4px; }
.quote-doc-body { padding: 32px 40px; }
.quote-customer-box { background: var(--bg-elevated); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px 20px; margin-bottom: 28px; }
.quote-customer-box label { font-size: 0.70rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-dim); font-family: var(--font-mono); }
.quote-customer-name { font-size: 1rem; font-weight: 500; color: var(--text); margin-top: 3px; }
.quote-table { width: 100%; border-collapse: collapse; margin-bottom: 24px; }
.quote-table th { text-align: left; font-size: 0.68rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-dim); padding: 0 0 10px; border-bottom: 1px solid var(--border); font-family: var(--font-mono); }
.quote-table td { padding: 12px 0; font-size: 0.88rem; color: var(--text); border-bottom: 1px solid var(--border); vertical-align: middle; }
.quote-table tr:last-child td { border-bottom: none; }
.quote-table .amount { text-align: right; color: var(--blue); font-weight: 600; }
.quote-totals { display: flex; flex-direction: column; align-items: flex-end; gap: 6px; margin-bottom: 24px; }
.quote-total-row { display: flex; gap: 40px; font-size: 0.88rem; }
.quote-total-row .label { color: var(--text-muted); }
.quote-total-row .value { color: var(--text); min-width: 80px; text-align: right; }
.quote-grand-row { display: flex; gap: 40px; padding-top: 8px; border-top: 1px solid var(--border); font-size: 1.05rem; font-weight: 600; }
.quote-grand-row .label { color: var(--text); }
.quote-grand-row .value { color: var(--blue); font-family: var(--font-display); font-size: 1.1rem; }
.quote-notes { background: var(--bg-elevated); border-left: 2px solid var(--blue-border); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; padding: 14px 16px; font-size: 0.85rem; color: var(--text-muted); margin-bottom: 24px; }
.quote-doc-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.quote-invalid { text-align: center; padding: 60px 24px; }
.quote-invalid p { color: var(--text-muted); margin-top: 12px; }

/* ── TOAST ─────────────────────────────────────────── */
.toast { position: fixed; bottom: 28px; right: 28px; background: var(--bg-elevated); border: 1px solid var(--blue-border); border-radius: var(--radius); padding: 14px 20px; display: flex; align-items: center; gap: 10px; font-size: 0.88rem; color: var(--text); z-index: 3000; transform: translateY(80px); opacity: 0; transition: transform 0.3s ease, opacity 0.3s ease; box-shadow: var(--shadow-card); }
.toast.visible { transform: translateY(0); opacity: 1; }
.toast-icon { font-size: 1.1rem; }

/* ── FADE-UP ────────────────────────────────────────── */
.fade-up { opacity: 0; transform: translateY(24px); transition: opacity 0.5s ease, transform 0.5s ease; }
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* ── B2B TRADE SECTION ─────────────────────────────── */
.b2b-trade { background: #FAF9F6; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.b2b-inner {
  background: var(--bg-elevated);
  border: 1px solid rgba(181,138,40,0.18);
  border-radius: var(--radius-lg);
  padding: 56px 48px;
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  align-items: start;
  position: relative;
  overflow: hidden;
}
.b2b-inner::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--gold), #E0A92E, transparent);
}
.b2b-benefits { display: flex; flex-direction: column; gap: 18px; margin-top: 24px; }
.b2b-benefit-card {
  background: rgba(181,138,40,0.03);
  border: 1px solid rgba(181,138,40,0.08);
  border-radius: var(--radius-sm);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.b2b-benefit-card strong { font-size: 0.92rem; color: var(--text); }
.b2b-benefit-card span { font-size: 0.8rem; color: var(--text-muted); line-height: 1.4; }
.benefit-badge {
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
  background: rgba(181,138,40,0.1);
  color: var(--gold);
  padding: 2px 8px;
  border-radius: 4px;
  margin-bottom: 4px;
}

/* ── RESPONSIVE ────────────────────────────────────── */
@media (max-width: 1024px) {
  .cat-grid { grid-template-columns: repeat(4, 1fr); }
  .product-grid { grid-template-columns: repeat(3, 1fr); }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .quote-inner, .b2b-inner { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .sourcing-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  section { padding: 64px 0; }
  .cat-grid { grid-template-columns: repeat(4, 1fr); gap: 8px; }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .buy-sell-grid { grid-template-columns: 1fr; }
  .sell-panel { border-left: none; border-top: 1px solid var(--border); }
  .why-grid { grid-template-columns: 1fr; }
  .quote-inner { padding: 36px 24px; }
  .buy-sell-panel { padding: 36px 28px; }
  .form-row { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .nav-links.open { display: flex; flex-direction: column; position: absolute; top: 68px; left: 0; right: 0; background: rgba(255,255,255,0.97); border-bottom: 1px solid var(--border); padding: 20px 24px; gap: 20px; backdrop-filter: blur(12px); }
  .nav-toggle { display: flex; }
  .hero h1 { font-size: 2.4rem; }
  .stats-bar .container { justify-content: center; gap: 28px 40px; }
  .quote-doc-header { flex-direction: column; align-items: flex-start; gap: 16px; }
  .quote-meta { text-align: left; }
  .quote-doc-body { padding: 24px 20px; }
}
@media (max-width: 480px) {
  .cat-grid { grid-template-columns: repeat(3, 1fr); }
  .product-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; align-items: flex-start; }
  .hero-tags { gap: 6px; }
}

/* ── iOS BOTTOM TAB BAR ──────────────────────────────── */
.ios-tab-bar {
  display: none;
}

@media (max-width: 768px) {
  body {
    padding-bottom: calc(74px + env(safe-area-inset-bottom)) !important;
  }
  
  .ios-tab-bar {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: calc(60px + env(safe-area-inset-bottom));
    padding-bottom: env(safe-area-inset-bottom);
    background: rgba(255, 255, 255, 0.88);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    border-top: 1px solid rgba(0, 0, 0, 0.08);
    justify-content: space-around;
    align-items: center;
    z-index: 9999;
    box-shadow: 0 -2px 10px rgba(0,0,0,0.02);
  }

  .tab-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: #8E8E93;
    font-size: 10px;
    font-weight: 500;
    text-decoration: none;
    flex: 1;
    height: 100%;
    gap: 4px;
    transition: color 0.2s ease, transform 0.15s ease;
    -webkit-tap-highlight-color: transparent;
  }

  .tab-item:active {
    transform: scale(0.95);
  }

  .tab-item.active {
    color: var(--blue);
  }

  .tab-icon {
    width: 22px;
    height: 22px;
    stroke-width: 2.2;
    transition: transform 0.2s ease;
  }

  .tab-item.active .tab-icon {
    transform: translateY(-1px);
  }

  .tab-basket-badge-container {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .tab-basket-count {
    position: absolute;
    top: -5px;
    right: -8px;
    background: var(--blue);
    color: #fff;
    font-size: 8px;
    font-weight: 700;
    min-width: 14px;
    height: 14px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 3px;
    border: 1.5px solid rgba(255,255,255,0.9);
    transform: scale(0);
    transition: transform 0.25s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  }

  .tab-basket-count.visible {
    transform: scale(1);
  }
  
  /* Hide standard header B2B & Quote CTAs on mobile to optimize space */
  #navbar .nav-cta {
    display: none;
  }
  
  #navbar .nav-toggle {
    display: none; /* Hide default sidebar hamburger - bottom tab handles everything! */
  }
  
  /* Make the toast alert float above the bottom tab bar */
  .toast {
    bottom: calc(84px + env(safe-area-inset-bottom)) !important;
  }
}