/* LEK Electronics Design System */
/* Palette: deep slate bg, amber accent, cool white text, PCB-green status */
:root {
  --bg:       #0e1117;
  --bg2:      #161b25;
  --bg3:      #1e2535;
  --border:   #2a3448;
  --amber:    #f59e0b;
  --amber2:   #fbbf24;
  --green:    #22c55e;
  --blue:     #3b82f6;
  --text:     #e2e8f0;
  --muted:    #94a3b8;
  --white:    #f8fafc;
  --mono:     'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
  --sans:     'Inter', system-ui, sans-serif;
  --radius:   4px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
}

/* ── Typography ── */
h1, h2, h3, h4 { color: var(--white); font-weight: 700; line-height: 1.2; }
h1 { font-size: clamp(2rem, 5vw, 3.5rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); }
h3 { font-size: 1.2rem; }
p { color: var(--text); }
a { color: var(--amber); text-decoration: none; }
a:hover { color: var(--amber2); }

.mono { font-family: var(--mono); }
.label {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--amber);
}
.muted { color: var(--muted); font-size: 0.9rem; }

/* ── Layout ── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }
.section { padding: 5rem 0; }
.section-sm { padding: 3rem 0; }
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.5rem; }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.5rem; }

/* ── Nav ── */
nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(14,17,23,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 1rem 0;
}
.nav-inner {
  display: flex; align-items: center;
  justify-content: space-between;
  max-width: 1200px; margin: 0 auto; padding: 0 1.5rem;
}
.nav-logo {
  display: flex; align-items: center; gap: 0.6rem;
  font-family: var(--mono); font-size: 1.1rem; font-weight: 700;
  color: var(--white); text-decoration: none;
}
.nav-logo .dot { color: var(--amber); }
/* .nav-logo parent + .nav-logo-img child raises specificity above
   WooCommerce's ".woocommerce img, .woocommerce-page img { height:auto }"
   reset, which otherwise wins on Shop/My Account (body carries those
   classes) and made the logo render at its natural ~498x271 size there. */
.nav-logo .nav-logo-img { height: 96px; width: auto; display: block; }
.nav-links { display: flex; gap: 2rem; list-style: none; }
.nav-links a { color: var(--muted); font-size: 1.3rem; transition: color 0.2s; }
.nav-links a:hover, .nav-links a.active { color: var(--white); }
.nav-cta {
  background: var(--amber); color: #000;
  padding: 0.5rem 1.2rem; border-radius: var(--radius);
  font-weight: 600; font-size: 0.85rem;
  transition: background 0.2s;
}
.nav-cta:hover { background: var(--amber2); color: #000; }

/* ── Hero ── */
.hero {
  min-height: 90vh; display: flex; align-items: center;
  position: relative; overflow: hidden;
  padding: 6rem 0 4rem;
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 70% 40%, rgba(245,158,11,0.07) 0%, transparent 60%),
    radial-gradient(ellipse 50% 50% at 20% 80%, rgba(59,130,246,0.05) 0%, transparent 50%);
  pointer-events: none;
}
/* PCB grid background */
.hero::after {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 40px 40px;
  opacity: 0.3;
  pointer-events: none;
}
.hero-content { position: relative; z-index: 1; max-width: 650px; }
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: rgba(245,158,11,0.1); border: 1px solid rgba(245,158,11,0.3);
  padding: 0.3rem 0.8rem; border-radius: 2rem;
  font-family: var(--mono); font-size: 0.75rem; color: var(--amber);
  margin-bottom: 1.5rem;
}
.hero-eyebrow::before { content: '●'; font-size: 0.5rem; animation: pulse 2s infinite; }
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:0.3} }
.hero h1 { margin-bottom: 1.2rem; }
.hero h1 span { color: var(--amber); }
.hero-desc { font-size: 1.15rem; color: var(--muted); margin-bottom: 2rem; max-width: 500px; }
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }
.hero-stats {
  display: flex; gap: 2.5rem; margin-top: 4rem;
  padding-top: 2rem; border-top: 1px solid var(--border);
}
.stat-num { font-size: 2rem; font-weight: 700; color: var(--white); font-family: var(--mono); }
.stat-label { font-size: 0.8rem; color: var(--muted); font-family: var(--mono); letter-spacing: 0.1em; text-transform: uppercase; }

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.75rem 1.5rem; border-radius: var(--radius);
  font-weight: 600; font-size: 0.9rem;
  cursor: pointer; border: none; transition: all 0.2s;
  text-decoration: none;
}
.btn-primary { background: var(--amber); color: #000; }
.btn-primary:hover { background: var(--amber2); color: #000; transform: translateY(-1px); }
.btn-secondary {
  background: transparent; color: var(--text);
  border: 1px solid var(--border);
}
.btn-secondary:hover { border-color: var(--amber); color: var(--amber); }
.btn-sm { padding: 0.45rem 0.9rem; font-size: 0.82rem; }

/* ── Cards ── */
.card {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
  transition: border-color 0.2s, transform 0.2s;
}
.card:hover { border-color: var(--amber); transform: translateY(-2px); }
.card-img {
  width: 100%; aspect-ratio: 4/3; object-fit: cover;
  background: var(--bg3);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--mono); color: var(--muted); font-size: 0.8rem;
}
.card-img svg { width: 48px; height: 48px; opacity: 0.3; }
.card-body { padding: 1.25rem; }
.card-sku { font-family: var(--mono); font-size: 0.7rem; color: var(--amber); letter-spacing: 0.1em; }
.card-title { font-size: 1.05rem; font-weight: 700; color: var(--white); margin: 0.3rem 0 0.5rem; }
.card-desc { font-size: 0.85rem; color: var(--muted); line-height: 1.5; margin-bottom: 1rem; }
.card-footer {
  display: flex; align-items: center;
  justify-content: space-between; padding-top: 1rem;
  border-top: 1px solid var(--border);
}
.card-price { font-family: var(--mono); font-size: 1.1rem; font-weight: 700; color: var(--white); }
.tag {
  display: inline-block;
  padding: 0.2rem 0.6rem; border-radius: 2rem;
  font-size: 0.7rem; font-family: var(--mono);
  background: rgba(59,130,246,0.15); color: #93c5fd;
  border: 1px solid rgba(59,130,246,0.2);
}
.tag-green { background: rgba(34,197,94,0.12); color: #86efac; border-color: rgba(34,197,94,0.2); }
.tag-amber { background: rgba(245,158,11,0.12); color: var(--amber); border-color: rgba(245,158,11,0.2); }

/* ── Feature strips ── */
.features { background: var(--bg2); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.feature-item { text-align: center; padding: 2rem 1rem; }
.feature-icon { font-size: 2rem; margin-bottom: 0.75rem; }
.feature-title { font-size: 0.95rem; font-weight: 600; color: var(--white); margin-bottom: 0.3rem; }
.feature-desc { font-size: 0.82rem; color: var(--muted); }

/* ── Section headers ── */
.section-header { margin-bottom: 3rem; }
.section-header .label { margin-bottom: 0.5rem; display: block; }
.section-header h2 { margin-bottom: 0.75rem; }
.section-header p { color: var(--muted); max-width: 520px; }

/* ── Code blocks ── */
.code-block {
  background: #0a0d14; border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.25rem;
  font-family: var(--mono); font-size: 0.82rem;
  color: #e2e8f0; overflow-x: auto; margin: 1rem 0;
  position: relative;
}
.code-block .comment { color: #475569; }
.code-block .keyword { color: #c084fc; }
.code-block .string { color: #86efac; }
.code-block .number { color: #fb923c; }
.code-block .func { color: #60a5fa; }
.code-label {
  position: absolute; top: 0.6rem; right: 0.8rem;
  font-size: 0.65rem; color: var(--muted); letter-spacing: 0.1em; text-transform: uppercase;
}

/* ── Spec table ── */
.spec-table { width: 100%; border-collapse: collapse; font-size: 0.875rem; }
.spec-table tr { border-bottom: 1px solid var(--border); }
.spec-table tr:last-child { border-bottom: none; }
.spec-table td { padding: 0.75rem 0; }
.spec-table td:first-child { color: var(--muted); font-family: var(--mono); font-size: 0.8rem; width: 40%; }
.spec-table td:last-child { color: var(--white); font-weight: 500; }

/* ── Product detail ── */
.product-hero { padding: 4rem 0 3rem; }
.breadcrumb { display: flex; gap: 0.5rem; align-items: center; margin-bottom: 2rem; }
.breadcrumb a { color: var(--muted); font-size: 0.85rem; }
.breadcrumb span { color: var(--border); }
.product-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: start; }
.product-image-box {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--radius); aspect-ratio: 1;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--mono); color: var(--muted);
}
.product-meta { display: flex; flex-direction: column; gap: 1.5rem; }
.price-row { display: flex; align-items: center; gap: 1rem; }
.price-big { font-family: var(--mono); font-size: 2rem; font-weight: 700; color: var(--white); }
.buy-actions { display: flex; gap: 0.75rem; }
.section-divider { border: none; border-top: 1px solid var(--border); margin: 3rem 0; }

/* ── Usage tabs ── */
.tabs { display: flex; gap: 0; margin-bottom: 1.5rem; border-bottom: 1px solid var(--border); }
.tab {
  padding: 0.75rem 1.25rem; cursor: pointer;
  font-size: 0.875rem; color: var(--muted);
  border-bottom: 2px solid transparent;
  transition: all 0.2s; margin-bottom: -1px;
  background: none; border-top: none; border-left: none; border-right: none;
  font-family: var(--sans);
}
.tab:hover { color: var(--white); }
.tab.active { color: var(--amber); border-bottom-color: var(--amber); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ── Wiring diagram ── */
.wiring-diagram {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.5rem;
  font-family: var(--mono); font-size: 0.8rem;
}
.wire-table { width: 100%; border-collapse: collapse; }
.wire-table th { text-align: left; color: var(--muted); padding: 0.5rem 0; border-bottom: 1px solid var(--border); font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase; }
.wire-table td { padding: 0.6rem 0; border-bottom: 1px solid rgba(42,52,72,0.5); }
.wire-pin { color: var(--amber); }
.wire-to { color: var(--muted); }
.wire-dest { color: var(--green); }

/* ── Footer ── */
footer {
  background: var(--bg2); border-top: 1px solid var(--border);
  padding: 3rem 0 2rem;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 3rem; margin-bottom: 2rem; }
.footer-brand p { color: var(--muted); font-size: 0.875rem; margin-top: 0.75rem; max-width: 280px; }
.footer-col h4 { font-size: 0.8rem; color: var(--muted); letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 1rem; font-family: var(--mono); }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 0.6rem; }
.footer-col ul a { color: var(--muted); font-size: 0.875rem; transition: color 0.2s; }
.footer-col ul a:hover { color: var(--white); }
.footer-bottom { border-top: 1px solid var(--border); padding-top: 1.5rem; display: flex; justify-content: space-between; align-items: center; }
.footer-bottom p { font-size: 0.8rem; color: var(--muted); }
.tindie-badge {
  display: inline-flex; align-items: center; gap: 0.4rem;
  background: var(--bg3); border: 1px solid var(--border);
  padding: 0.35rem 0.8rem; border-radius: var(--radius);
  font-size: 0.8rem; color: var(--muted); text-decoration: none;
}
.tindie-badge:hover { border-color: var(--amber); color: var(--amber); }

/* ── Responsive ── */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .product-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .hero-stats { gap: 1.5rem; }
  .hero::after { background-size: 24px 24px; }
}

/* ── WooCommerce overrides ───────────────────────────── */
.woocommerce-notices-wrapper { max-width:1200px; margin:1rem auto; padding:0 1.5rem; }
.woocommerce-message, .woocommerce-info, .woocommerce-error {
  background:var(--bg2); border:1px solid var(--border);
  color:var(--text); border-radius:4px; padding:1rem 1.25rem;
  font-size:0.875rem; list-style:none;
}
.woocommerce-message::before { color:var(--green); }

/* Price */
.price, .card-price .amount { font-family:var(--mono); font-size:1.8rem; font-weight:700; color:var(--white); }
.price del { color:var(--muted); font-size:1rem; }
.price ins { text-decoration:none; }

/* Add to cart button */
.single_add_to_cart_button, .button.alt {
  background:var(--amber) !important; color:#000 !important;
  border:none !important; border-radius:4px !important;
  padding:0.75rem 1.5rem !important; font-weight:600 !important;
  font-size:0.9rem !important; cursor:pointer !important;
  transition:background 0.2s !important; width:100% !important;
  font-family:var(--sans) !important;
}
.single_add_to_cart_button:hover { background:var(--amber2) !important; }

/* Quantity input */
.quantity .qty {
  background:var(--bg3); border:1px solid var(--border);
  color:var(--white); border-radius:4px; padding:0.5rem 0.75rem;
  font-family:var(--mono); font-size:1rem; width:70px;
}
.woocommerce-variation-add-to-cart { display:flex; gap:0.75rem; align-items:center; }

/* Product image */
.card-img-photo { width:100%; aspect-ratio:4/3; object-fit:contain; display:block; background:var(--bg3); }
.card-img-link { display:block; overflow:hidden; }
.card-img-link:hover .card-img-photo { transform:scale(1.02); transition:transform 0.3s; }

/* Cart & checkout pages */
.woocommerce table.shop_table {
  background:var(--bg2); border:1px solid var(--border);
  border-radius:4px; border-collapse:collapse; width:100%;
}
.woocommerce table.shop_table th {
  background:var(--bg3); color:var(--muted);
  font-family:var(--mono); font-size:0.75rem;
  letter-spacing:0.1em; text-transform:uppercase;
  padding:0.75rem 1rem; border-bottom:1px solid var(--border);
}
.woocommerce table.shop_table td {
  padding:1rem; border-bottom:1px solid var(--border); color:var(--text);
}
.woocommerce table.shop_table tr:last-child td { border-bottom:none; }

/* Order total */
.cart_totals, .order-total { background:var(--bg2); border:1px solid var(--border); border-radius:4px; padding:1.5rem; }
.cart_totals h2, .woocommerce-checkout h3 { color:var(--white); font-size:1.1rem; margin-bottom:1rem; }

/* Checkout form */
.woocommerce-checkout .form-row input,
.woocommerce-checkout .form-row select,
.woocommerce-checkout .form-row textarea {
  background:var(--bg3) !important; border:1px solid var(--border) !important;
  color:var(--white) !important; border-radius:4px !important;
  padding:0.6rem 0.75rem !important; width:100% !important;
  font-family:var(--sans) !important;
}
.woocommerce-checkout .form-row input:focus,
.woocommerce-checkout .form-row select:focus {
  border-color:var(--amber) !important; outline:none !important;
}
.woocommerce-checkout label { color:var(--muted); font-size:0.85rem; margin-bottom:0.3rem; display:block; }

/* Proceed to checkout button */
.wc-proceed-to-checkout .checkout-button {
  background:var(--amber) !important; color:#000 !important;
  border:none !important; width:100% !important;
  padding:0.9rem !important; font-size:1rem !important;
  font-weight:700 !important; border-radius:4px !important;
}

/* Pagination */
.woocommerce-pagination ul { display:flex; gap:0.5rem; list-style:none; justify-content:center; margin-top:3rem; }
.woocommerce-pagination ul li a,
.woocommerce-pagination ul li span {
  padding:0.5rem 0.9rem; border:1px solid var(--border);
  border-radius:4px; color:var(--muted); font-family:var(--mono);
  font-size:0.85rem; text-decoration:none; display:block;
}
.woocommerce-pagination ul li span.current,
.woocommerce-pagination ul li a:hover {
  border-color:var(--amber); color:var(--amber);
  background:rgba(245,158,11,0.08);
}

/* Example card styles (for usage examples CPT) */
.example-card {
  background:var(--bg2); border:1px solid var(--border);
  border-radius:4px; overflow:hidden;
  transition:border-color 0.2s, transform 0.2s;
  display:flex; flex-direction:column;
}
.example-card:hover { border-color:var(--amber); transform:translateY(-2px); }
.example-header { padding:1.5rem; border-bottom:1px solid var(--border); background:var(--bg3); }
.difficulty { font-family:var(--mono); font-size:0.7rem; color:var(--muted); display:inline-flex; align-items:center; gap:0.35rem; }
.dot-easy { color:#22c55e; }
.dot-medium { color:#f59e0b; }
.dot-hard { color:#f87171; }

/* Filter bar */
.filter-bar { display:flex; gap:0.5rem; flex-wrap:wrap; }
.filter-btn {
  padding:0.4rem 1rem; border-radius:2rem;
  border:1px solid var(--border); background:transparent;
  color:var(--muted); font-size:0.8rem; cursor:pointer;
  font-family:var(--mono); letter-spacing:0.05em;
  transition:all 0.2s; text-decoration:none; display:inline-block;
}
.filter-btn:hover, .filter-btn.active {
  border-color:var(--amber); color:var(--amber);
  background:rgba(245,158,11,0.08);
}

/* Usage example content styling */
.page-content h2 { font-size:1.3rem; margin:2.5rem 0 0.75rem; }
.page-content h3 { font-size:1rem; margin:2rem 0 0.5rem; }
.page-content p { color:var(--muted); margin-bottom:1rem; line-height:1.7; }
.page-content ul, .page-content ol { padding-left:1.5rem; color:var(--muted); margin-bottom:1.25rem; }
.page-content li { margin-bottom:0.5rem; }
.page-content a { color:var(--amber); }
.usage-content h2 { font-size:1.3rem; margin:2.5rem 0 1rem; }
.usage-content h3 { font-size:1rem; margin:2rem 0 0.75rem; }
.usage-content p { color:var(--muted); margin-bottom:1rem; }
.usage-content pre, .usage-content code {
  background:var(--bg3); border:1px solid var(--border);
  border-radius:4px; font-family:var(--mono);
}
.usage-content pre { padding:1.25rem; overflow-x:auto; font-size:0.82rem; }
.usage-content code { padding:0.1rem 0.4rem; font-size:0.85rem; }
.usage-content ol, .usage-content ul { padding-left:1.5rem; color:var(--muted); margin-bottom:1rem; }
.usage-content li { margin-bottom:0.5rem; font-size:0.9rem; }
.usage-content table { width:100%; border-collapse:collapse; font-size:0.875rem; margin-bottom:1.5rem; }
.usage-content table th, .usage-content table td { padding:0.6rem 0.75rem; border:1px solid var(--border); }
.usage-content table th { background:var(--bg3); color:var(--muted); font-family:var(--mono); font-size:0.75rem; text-transform:uppercase; letter-spacing:0.08em; }

/* Nav cart icon */
.nav-cart { position:relative; color:var(--muted); display:flex; align-items:center; transition:color 0.2s; }
.nav-cart:hover { color:var(--white); }
.cart-count {
  position:absolute; top:-6px; right:-8px;
  background:var(--amber); color:#000; border-radius:50%;
  width:16px; height:16px; font-size:10px; font-weight:700;
  display:flex; align-items:center; justify-content:center;
  font-family:var(--mono);
}
.nav-actions { display:flex; align-items:center; gap:1rem; }

/* Mobile nav toggle */
.nav-toggle {
  display:none; flex-direction:column; gap:5px;
  background:none; border:none; cursor:pointer; padding:4px;
}
.nav-toggle span { display:block; width:22px; height:2px; background:var(--muted); border-radius:2px; transition:all 0.3s; }
@media (max-width:768px) {
  .nav-toggle { display:flex; }
  .nav-links { display:none; position:absolute; top:100%; left:0; right:0;
    background:var(--bg); border-bottom:1px solid var(--border);
    flex-direction:column; padding:1rem 1.5rem; gap:0; }
  .nav-links.open { display:flex; }
  .nav-links li { border-bottom:1px solid var(--border); }
  .nav-links li:last-child { border-bottom:none; }
  .nav-links a { display:block; padding:0.75rem 0; }
  .product-grid { grid-template-columns:1fr; }
  #lek-nav { position:relative; }
}