/* ==========================================================================
   KOK WAI ELECTRICAL TRADING — design system
   Identity: electrical nameplate / circuit-diagram aesthetic.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Oswald:wght@400;500;600;700&family=Manrope:wght@400;500;600;700;800&family=Source+Code+Pro:wght@400;500;600;700&display=swap');

:root {
  --ink: #14181c;
  --ink-deep: #0a0d10;
  --ink-mid: #1f262c;
  --paper: #f5f2ea;
  --panel: #ffffff;
  --line: #dcd6c6;
  --steel: #6b7280;
  --steel-light: #9aa1a9;

  --volt: #d7ff3f;
  --volt-light: #e8ffa0;
  --volt-text: #5a6b00;

  --copper: #c9773f;
  --copper-light: #e2a878;
  --copper-text: #9c5326;

  --danger: #c0392b;

  --font-display: 'Oswald', 'Arial Narrow', sans-serif;
  --font-body: 'Manrope', -apple-system, sans-serif;
  --font-mono: 'Source Code Pro', 'Courier New', monospace;

  --radius: 4px;
  --shadow-plate: 0 1px 0 rgba(20,24,28,0.06), 0 12px 28px -18px rgba(20,24,28,0.35);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
button { font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; }

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  line-height: 1.15;
  margin: 0 0 0.5em;
}

h1 { font-size: clamp(2.2rem, 4.5vw, 3.4rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); }
h3 { font-size: 1.2rem; }

p { margin: 0 0 1em; color: var(--ink); }
.lead { font-size: 1.1rem; color: var(--steel); max-width: 60ch; }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--copper-text);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 0.75em;
}
.eyebrow::before {
  content: '';
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--volt);
  box-shadow: 0 0 0 3px rgba(215,255,63,0.25);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 13px 26px;
  border-radius: var(--radius);
  border: 2px solid transparent;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, color 0.15s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--volt);
  color: var(--ink-deep);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 20px -8px rgba(215,255,63,0.55); }
.btn-outline {
  background: transparent;
  border-color: currentColor;
  color: var(--ink);
}
.btn-outline:hover { background: var(--ink); color: var(--paper); }
.btn-ghost-light {
  background: transparent;
  border-color: rgba(245,242,234,0.4);
  color: var(--paper);
}
.btn-ghost-light:hover { background: var(--paper); color: var(--ink); border-color: var(--paper); }
.btn-block { width: 100%; }
.btn-sm { padding: 9px 16px; font-size: 0.75rem; }

/* ==========================================================================
   Header
   ========================================================================== */
.site-header {
  background: var(--ink);
  color: var(--paper);
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(215,255,63,0.15);
}
.topbar {
  background: var(--ink-deep);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--steel-light);
}
.topbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 7px;
  padding-bottom: 7px;
  gap: 16px;
  flex-wrap: wrap;
}
.topbar a { color: var(--volt-light); }
.topbar-reg { opacity: 0.8; }

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  gap: 24px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--paper);
}
.brand svg { width: 34px; height: 34px; flex-shrink: 0; }
.brand-sub {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  color: var(--volt);
  font-weight: 500;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 30px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.nav-links a {
  color: var(--steel-light);
  padding: 6px 0;
  border-bottom: 2px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease;
}
.nav-links a:hover, .nav-links a.active {
  color: var(--volt);
  border-color: var(--volt);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.cart-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  border: 1px solid rgba(245,242,234,0.3);
  color: var(--paper);
  padding: 9px 14px;
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 0.78rem;
}
.cart-toggle:hover { border-color: var(--volt); color: var(--volt); }
.cart-toggle__count {
  background: var(--volt);
  color: var(--ink-deep);
  font-weight: 700;
  border-radius: 50%;
  width: 20px; height: 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  padding: 8px;
}
.nav-toggle span { width: 22px; height: 2px; background: var(--paper); display: block; }

/* ==========================================================================
   Circuit divider — signature section separator
   ========================================================================== */
.circuit-divider {
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 0 auto;
  max-width: 1180px;
  padding: 0 24px;
}
.circuit-divider::before,
.circuit-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background-image: linear-gradient(to right, var(--line) 0 6px, transparent 6px 12px);
  background-size: 12px 1px;
  background-repeat: repeat-x;
}
.circuit-divider__node {
  width: 7px; height: 7px;
  border-radius: 50%;
  border: 1px solid var(--copper);
  background: var(--paper);
  flex-shrink: 0;
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  background: var(--ink);
  color: var(--paper);
  position: relative;
  overflow: hidden;
  padding: 76px 0 0;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(215,255,63,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(215,255,63,0.05) 1px, transparent 1px);
  background-size: 36px 36px;
  pointer-events: none;
}
.hero .container {
  position: relative;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
  padding-bottom: 64px;
}
.hero-copy h1 { color: var(--paper); }
.hero-copy h1 em {
  font-style: normal;
  color: var(--volt);
}
.hero-actions {
  display: flex;
  gap: 14px;
  margin-top: 28px;
  flex-wrap: wrap;
}
.hero-stats-line {
  margin-top: 28px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--steel-light);
  letter-spacing: 0.03em;
}
.hero-stats-line strong { color: var(--volt); }
.hero-stats-line span.sep { margin: 0 10px; color: rgba(245,242,234,0.3); }

/* Nameplate — signature hero graphic (equipment rating-plate look) */
.nameplate {
  background: var(--ink-mid);
  border: 1px solid rgba(215,255,63,0.25);
  border-radius: 6px;
  padding: 26px 26px 22px;
  position: relative;
  box-shadow: var(--shadow-plate);
}
.nameplate::before, .nameplate::after,
.nameplate .rivet {
  content: '';
  position: absolute;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #eef 0%, var(--steel-light) 40%, var(--ink-deep) 100%);
}
.nameplate::before { top: 12px; left: 12px; }
.nameplate::after { top: 12px; right: 12px; }
.nameplate .rivet--bl { bottom: 12px; left: 12px; }
.nameplate .rivet--br { bottom: 12px; right: 12px; }
.nameplate-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px dashed rgba(245,242,234,0.2);
  padding-bottom: 12px;
  margin-bottom: 14px;
  font-family: var(--font-mono);
}
.nameplate-head .tag {
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--volt);
}
.nameplate-head .status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.68rem;
  color: var(--steel-light);
}
.nameplate-head .status::before {
  content: '';
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--volt);
  box-shadow: 0 0 8px var(--volt);
}
.nameplate-field {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 10px;
  padding: 9px 0;
  border-bottom: 1px solid rgba(245,242,234,0.08);
  font-family: var(--font-mono);
  font-size: 0.82rem;
}
.nameplate-field:last-child { border-bottom: none; }
.nameplate-field dt { color: var(--steel-light); text-transform: uppercase; font-size: 0.68rem; letter-spacing: 0.06em; align-self: center; }
.nameplate-field dd { margin: 0; color: var(--paper); font-weight: 500; }

/* ==========================================================================
   Breaker strip — feature strip styled as a row of breaker switches
   ========================================================================== */
.breaker-strip {
  background: var(--panel);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.breaker-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.breaker {
  padding: 26px 22px;
  border-right: 1px solid var(--line);
  display: flex;
  gap: 14px;
  align-items: flex-start;
}
.breaker:last-child { border-right: none; }
.breaker-switch {
  flex-shrink: 0;
  width: 30px; height: 46px;
  border-radius: 4px;
  border: 2px solid var(--ink);
  position: relative;
  background: var(--paper);
}
.breaker-switch::after {
  content: '';
  position: absolute;
  left: 50%;
  top: 6px;
  width: 10px; height: 18px;
  border-radius: 3px;
  background: var(--volt);
  transform: translateX(-50%);
}
.breaker h4 {
  font-family: var(--font-body);
  text-transform: none;
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0;
  margin-bottom: 4px;
}
.breaker p { font-size: 0.84rem; color: var(--steel); margin: 0; }

/* ==========================================================================
   Sections
   ========================================================================== */
section { padding: 72px 0; }
.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  margin-bottom: 36px;
  flex-wrap: wrap;
}
.section-head .lead { margin: 0; }

.bg-dark { background: var(--ink); color: var(--paper); }
.bg-dark h2, .bg-dark h3 { color: var(--paper); }
.bg-dark p { color: var(--steel-light); }
.bg-panel { background: var(--panel); }

/* Category chips (filter row, shared functional pattern) */
.category-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 36px;
}
.category-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--panel);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ink);
  transition: border-color 0.15s ease, background 0.15s ease;
}
.category-chip .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--copper); }
.category-chip:hover, .category-chip.is-active {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--paper);
}
.category-chip.is-active .dot { background: var(--volt); }

/* Product grid & cards */
.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.product-category { margin-bottom: 8px; }
.product-category__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--ink);
}
.product-category__head h3 {
  margin: 0;
}
.product-category__count {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--steel);
}

.product-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
  display: flex;
  flex-direction: column;
}
.product-card:hover {
  transform: translateY(-4px);
  border-color: var(--ink);
  box-shadow: 0 16px 30px -20px rgba(20,24,28,0.45);
}
.product-card__media {
  aspect-ratio: 1 / 1;
  background: #fff;
  position: relative;
  border-bottom: 1px solid var(--line);
}
.product-card__media img { width: 100%; height: 100%; object-fit: contain; padding: 14px; }
.product-card__sku {
  position: absolute;
  top: 10px; left: 10px;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  background: var(--ink);
  color: var(--volt);
  padding: 3px 8px;
  border-radius: 3px;
  letter-spacing: 0.04em;
}
.product-card__body {
  padding: 14px 16px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}
.product-card__cat {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--copper-text);
}
.product-card__name {
  font-weight: 700;
  font-size: 0.95rem;
  line-height: 1.3;
}
.product-card__price {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--ink);
  margin-top: auto;
}
.product-card__price .unit { font-size: 0.7rem; color: var(--steel); font-weight: 500; }
.product-card__foot {
  display: flex;
  gap: 8px;
  align-items: center;
}
.size-select, .qty-input {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: 6px 8px;
  background: var(--panel);
}
.add-to-cart {
  flex: 1;
  background: var(--ink);
  color: var(--paper);
  border: none;
  padding: 10px 12px;
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}
.add-to-cart:hover { background: var(--volt); color: var(--ink-deep); }

/* Shop layout (filter sidebar) */
.shop-layout {
  display: grid;
  grid-template-columns: 250px 1fr;
  gap: 40px;
  align-items: start;
}
.shop-sidebar {
  position: sticky;
  top: 96px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
}
.shop-sidebar h4 {
  font-size: 0.8rem;
  margin-bottom: 14px;
}
.shop-search {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  margin-bottom: 18px;
}
.shop-cats { display: flex; flex-direction: column; gap: 2px; }
.shop-cats button {
  display: flex;
  justify-content: space-between;
  width: 100%;
  background: none;
  border: none;
  text-align: left;
  padding: 9px 10px;
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink);
}
.shop-cats button:hover { background: var(--paper); }
.shop-cats button.is-active { background: var(--ink); color: var(--volt); }
.shop-cats .badge { color: var(--steel); font-size: 0.7rem; }
.shop-cats button.is-active .badge { color: var(--volt-light); }
.shop-count {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--steel);
  margin-bottom: 20px;
}

/* Wire steps — numbered process list styled as a wiring diagram */
.wire-steps { position: relative; padding-left: 46px; }
.wire-steps::before {
  content: '';
  position: absolute;
  left: 14px; top: 8px; bottom: 8px;
  width: 2px;
  background: repeating-linear-gradient(to bottom, var(--copper) 0 6px, transparent 6px 12px);
}
.wire-step {
  position: relative;
  padding-bottom: 34px;
}
.wire-step:last-child { padding-bottom: 0; }
.wire-step::before {
  content: attr(data-step);
  position: absolute;
  left: -46px; top: 0;
  width: 30px; height: 30px;
  border-radius: 50%;
  background: var(--ink);
  color: var(--volt);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}
.wire-step h4 { margin-bottom: 4px; }
.wire-step p { color: var(--steel); margin: 0; }

/* Terminal panel — vision/mission split plaque */
.terminal-panel {
  background: var(--ink);
  border-radius: 8px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  overflow: hidden;
  position: relative;
}
.terminal-panel__col {
  padding: 44px 40px;
  position: relative;
}
.terminal-panel__col:first-child { border-right: 1px dashed rgba(245,242,234,0.2); }
.terminal-panel__col .eyebrow { color: var(--volt); }
.terminal-panel__col h3 { color: var(--paper); }
.terminal-panel__col p { color: var(--steel-light); margin: 0; }
.terminal-strip {
  display: flex;
  gap: 4px;
  margin-bottom: 18px;
}
.terminal-strip span {
  width: 12px; height: 8px;
  background: var(--copper);
  border-radius: 1px;
}

/* Testimonial / trust */
.trust-line {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--steel);
  text-align: center;
  padding: 20px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.trust-line strong { color: var(--ink); }

/* Stat strip */
.stat-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}
.stat-strip .stat-num {
  font-family: var(--font-display);
  font-size: 2.2rem;
  color: var(--volt);
}
.stat-strip .stat-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--steel-light);
}

/* Spec table (used by legal pages & product detail) */
.spec-table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
.spec-table tr { border-bottom: 1px solid var(--line); }
.spec-table td { padding: 12px 4px; }
.spec-table td:first-child {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--steel);
  width: 180px;
}

/* FAQ */
.faq-list { display: flex; flex-direction: column; gap: 0; }
.faq-item { padding: 20px 0; border-bottom: 1px solid var(--line); }
.faq-item h4 { margin-bottom: 6px; display: flex; gap: 10px; align-items: baseline; }
.faq-item h4::before { content: 'Q.'; font-family: var(--font-mono); color: var(--copper); }
.faq-item p { color: var(--steel); margin: 0; padding-left: 26px; }

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}
.contact-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
}
.contact-info-row {
  display: flex;
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}
.contact-info-row:last-child { border-bottom: none; }
.contact-info-row .icon {
  width: 38px; height: 38px;
  border-radius: 50%;
  background: var(--ink);
  color: var(--volt);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.contact-info-row h4 { margin: 0 0 4px; font-size: 0.85rem; }
.contact-info-row p { margin: 0; color: var(--steel); font-size: 0.9rem; }

.form-field { margin-bottom: 18px; }
.form-field label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--steel);
  margin-bottom: 6px;
}
.form-field input, .form-field select, .form-field textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: var(--paper);
  font-size: 0.92rem;
}
.form-field textarea { resize: vertical; min-height: 120px; }
.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
  outline: none;
  border-color: var(--copper);
}

/* ==========================================================================
   Product detail page
   ========================================================================== */
.detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}
.detail-media {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  aspect-ratio: 1/1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 30px;
  position: sticky;
  top: 96px;
}
.breadcrumb {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--steel);
  margin-bottom: 24px;
}
.breadcrumb a:hover { color: var(--copper-text); }
.detail-sku {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--copper-text);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.detail-price {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  margin: 14px 0;
}
.detail-price .unit { font-size: 1rem; color: var(--steel); font-weight: 500; }
.detail-actions {
  display: flex;
  gap: 12px;
  align-items: center;
  margin: 24px 0;
}
.qty-stepper {
  display: flex;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 3px;
}
.qty-stepper button {
  background: none; border: none;
  width: 38px; height: 44px;
  font-size: 1rem;
}
.qty-stepper input {
  width: 46px; text-align: center;
  border: none; border-left: 1px solid var(--line); border-right: 1px solid var(--line);
  height: 44px;
  font-family: var(--font-mono);
}
.detail-desc { color: var(--steel); }
.related-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }

/* ==========================================================================
   Cart drawer
   ========================================================================== */
.cart-overlay {
  position: fixed; inset: 0;
  background: rgba(10,13,16,0.6);
  z-index: 200;
  opacity: 0; pointer-events: none;
  transition: opacity 0.2s ease;
}
.cart-overlay.is-open { opacity: 1; pointer-events: auto; }
.cart-drawer {
  position: fixed; top: 0; right: 0; bottom: 0;
  width: 420px; max-width: 92vw;
  background: var(--paper);
  z-index: 201;
  transform: translateX(100%);
  transition: transform 0.25s ease;
  display: flex;
  flex-direction: column;
}
.cart-drawer.is-open { transform: translateX(0); }
.cart-drawer__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  border-bottom: 1px solid var(--line);
  background: var(--ink);
  color: var(--paper);
}
.cart-drawer__head h3 { margin: 0; color: var(--paper); font-size: 1rem; }
.cart-close { background: none; border: none; color: var(--paper); font-size: 1.4rem; }
.cart-drawer__body { flex: 1; overflow-y: auto; padding: 16px 24px; }
.cart-line {
  display: grid;
  grid-template-columns: 64px 1fr auto;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  align-items: center;
}
.cart-line img { width: 64px; height: 64px; object-fit: contain; background: #fff; border: 1px solid var(--line); border-radius: 3px; }
.cart-line-name { font-weight: 700; font-size: 0.88rem; }
.cart-line-meta { font-family: var(--font-mono); font-size: 0.72rem; color: var(--steel); }
.cart-line-qty { display: flex; align-items: center; gap: 6px; margin-top: 6px; }
.cart-line-qty button { width: 22px; height: 22px; border: 1px solid var(--line); background: var(--panel); border-radius: 3px; font-size: 0.8rem; }
.cart-line-price { font-family: var(--font-mono); font-weight: 700; text-align: right; }
.cart-line-remove { display: block; margin-top: 8px; font-family: var(--font-mono); font-size: 0.7rem; color: var(--danger); text-align: right; }
.cart-empty { text-align: center; color: var(--steel); padding: 60px 20px; }
.cart-drawer__foot { padding: 20px 24px; border-top: 1px solid var(--line); }
.cart-total {
  display: flex; justify-content: space-between;
  font-family: var(--font-mono); font-weight: 700; font-size: 1.05rem;
  margin-bottom: 16px;
}

/* Checkout */
.checkout-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: start; }
.order-summary { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; position: sticky; top: 96px; }
.order-line { display: flex; justify-content: space-between; gap: 10px; padding: 10px 0; border-bottom: 1px solid var(--line); font-size: 0.88rem; }
.order-line-name { font-weight: 600; }
.order-line-meta { font-family: var(--font-mono); font-size: 0.7rem; color: var(--steel); }

/* ==========================================================================
   Legal pages
   ========================================================================== */
.legal-doc { max-width: 820px; margin: 0 auto; }
.legal-toc {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px 28px;
  margin-bottom: 40px;
}
.legal-toc h4 { margin-bottom: 12px; }
.legal-toc ol { padding-left: 20px; list-style: decimal; font-family: var(--font-mono); font-size: 0.85rem; }
.legal-toc a:hover { color: var(--copper-text); }
.legal-doc section { padding: 0 0 34px; }
.clause-no {
  font-family: var(--font-mono);
  color: var(--copper-text);
  margin-right: 10px;
}
.legal-doc h2 { display: flex; align-items: baseline; font-size: 1.3rem; }
.legal-doc p, .legal-doc li { color: var(--steel); }
.legal-doc ul { list-style: disc; padding-left: 22px; margin-bottom: 1em; }
.legal-doc ul li { margin-bottom: 6px; }
.legal-updated { font-family: var(--font-mono); font-size: 0.78rem; color: var(--steel); margin-bottom: 8px; }

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background: var(--ink-deep);
  color: var(--steel-light);
  padding: 60px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 44px;
  border-bottom: 1px solid rgba(245,242,234,0.1);
}
.footer-brand .brand { color: var(--paper); margin-bottom: 14px; }
.footer-brand p { font-size: 0.85rem; max-width: 32ch; }
.footer-col h4 {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--paper);
  margin-bottom: 14px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a { font-size: 0.86rem; }
.footer-col a:hover { color: var(--volt); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 22px 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  flex-wrap: wrap;
  gap: 10px;
}

/* ==========================================================================
   Scroll reveal
   ========================================================================== */
[data-reveal] { opacity: 0; transform: translateY(18px); transition: opacity 0.6s ease, transform 0.6s ease; }
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1; transform: none; transition: none; }
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 900px) {
  .hero .container { grid-template-columns: 1fr; }
  .breaker-row { grid-template-columns: repeat(2, 1fr); }
  .breaker { border-bottom: 1px solid var(--line); }
  .product-grid, .related-grid { grid-template-columns: repeat(2, 1fr); }
  .shop-layout { grid-template-columns: 1fr; }
  .shop-sidebar { position: static; }
  .contact-grid, .checkout-grid, .detail-grid { grid-template-columns: 1fr; }
  .detail-media { position: static; }
  .terminal-panel { grid-template-columns: 1fr; }
  .terminal-panel__col:first-child { border-right: none; border-bottom: 1px dashed rgba(245,242,234,0.2); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .stat-strip { grid-template-columns: repeat(2, 1fr); gap: 28px; }
}

@media (max-width: 720px) {
  .nav-links {
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: var(--ink);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 8px 24px 16px;
    display: none;
    border-bottom: 1px solid rgba(215,255,63,0.15);
  }
  .nav-links.open { display: flex; }
  .nav-links a { width: 100%; padding: 12px 0; border-bottom: 1px solid rgba(245,242,234,0.08); }
  .nav-toggle { display: flex; }
  .cart-toggle__total { display: none; }
  .footer-grid { grid-template-columns: 1fr; }
  .product-grid, .related-grid { grid-template-columns: 1fr 1fr; }
  input, select, textarea { font-size: 16px; }
}

@media (max-width: 560px) {
  .spec-table td:first-child { display: block; width: auto; padding-bottom: 2px; }
  .spec-table tr { display: block; padding: 10px 0; }
  .spec-table td { display: block; padding: 2px 4px; }
  .product-grid, .related-grid { grid-template-columns: 1fr; }
}