/* ══════════════════════════════════════════════════════════════
   VOLTAGE GRID — Printed Industrial Catalog & Signal Works
   Bespoke Editorial Aesthetics: Hard Rules, Anodized Silver & Ink,
   Swiss Typography & Custom Patch Audio Infrastructure.
   ══════════════════════════════════════════════════════════════ */
@import url('https://fonts.googleapis.com/css2?family=Instrument+Serif:ital@1&family=JetBrains+Mono:wght@400;500;700&family=Space+Grotesk:wght@600;700&family=Inter:wght@400;500;600;700&display=swap');

:root {
  --paper: #e6eaf0;
  --paper-card: #f3f6fa;
  --ink: #0b0d14;
  --ink-muted: rgba(11, 13, 20, 0.65);
  --ink-dim: rgba(11, 13, 20, 0.40);
  --ink-light: rgba(11, 13, 20, 0.12);
  
  --orange: #ff4400;
  --cyan: #00bcd4;
  --green: #10b981;
  --gold: #d97706;
  
  --rule: 1px solid var(--ink);
  --rule-thick: 2px solid var(--ink);
  
  --display: 'Space Grotesk', -apple-system, sans-serif;
  --serif: 'Instrument Serif', Georgia, serif;
  --mono: 'JetBrains Mono', monospace;
  --body: 'Inter', sans-serif;
  
  --pad: clamp(16px, 4vw, 48px);
  --head-h: 64px;
}

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

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.5;
  overflow-x: hidden;
  background-image: radial-gradient(circle at 50% 0%, rgba(255, 68, 0, 0.03), transparent 50%);
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

/* Typography Helpers */
.kick {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

.mono {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.05em;
}

.disp {
  font-family: var(--display);
  font-weight: 700;
  text-transform: uppercase;
  line-height: 0.85;
  letter-spacing: -0.01em;
}

.ital {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  text-transform: lowercase;
}

/* Ticker Bar */
.ticker {
  background: var(--orange);
  color: #fff;
  overflow: hidden;
  border-bottom: var(--rule);
  white-space: nowrap;
}

.ticker__track {
  display: inline-flex;
  animation: slide 40s linear infinite;
}

.ticker:hover .ticker__track {
  animation-play-state: paused;
}

.ticker span {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 8px 0;
}

.ticker b {
  font-weight: 400;
  opacity: 0.55;
  padding: 0 18px;
}

@keyframes slide {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* Header Navbar */
.hdr {
  position: sticky;
  top: 0;
  z-index: 90;
  background: var(--paper);
  border-bottom: var(--rule-thick);
}

.hdr__in {
  height: var(--head-h);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 0 var(--pad);
  gap: 16px;
}

.mark {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.mark__a {
  font-family: var(--display);
  font-size: 24px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  line-height: 1;
}

.mark__b {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--orange);
  font-weight: 700;
}

.nav {
  display: flex;
  gap: 28px;
}

.nav a {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 4px 0;
  border-bottom: 2px solid transparent;
  transition: all 0.15s;
}

.nav a:hover, .nav a.active {
  border-bottom-color: var(--orange);
  color: var(--orange);
}

.hdr__r {
  display: flex;
  justify-self: end;
  align-items: center;
  gap: 10px;
}

.iconbtn {
  border: var(--rule);
  padding: 8px 14px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: var(--paper);
  transition: all 0.15s;
}

.iconbtn:hover {
  background: var(--ink);
  color: var(--paper);
}

.cartbtn {
  background: var(--ink);
  color: var(--paper);
}

.cartbtn:hover {
  background: var(--orange);
  color: #fff;
  border-color: var(--orange);
}

/* Hero Section */
.hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  border-bottom: var(--rule-thick);
}

.hero__l {
  padding: clamp(28px, 5vw, 64px) var(--pad);
  border-right: var(--rule);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 32px;
}

.hero h1 {
  font-size: clamp(48px, 8.5vw, 120px);
  margin-bottom: 1rem;
}

.hero__lede {
  font-size: 1.1rem;
  color: var(--ink-muted);
  max-width: 580px;
  line-height: 1.6;
}

.hero__meta {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  border-top: var(--rule);
  padding-top: 20px;
}

.hero__meta div {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-muted);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.hero__meta b {
  font-family: var(--display);
  font-size: 24px;
  color: var(--ink);
  font-weight: 700;
  line-height: 1;
}

.hero__r {
  position: relative;
  background: #0d0f17;
  padding: var(--pad);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.stamp {
  position: absolute;
  bottom: 24px;
  right: 24px;
  width: 96px;
  height: 96px;
  border: 2px solid var(--orange);
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--orange);
  font-family: var(--mono);
  font-size: 10px;
  text-transform: uppercase;
  transform: rotate(-12deg);
  background: rgba(13, 15, 23, 0.85);
  backdrop-filter: blur(4px);
}

.stamp b {
  font-family: var(--display);
  font-size: 14px;
}

/* Sections */
.sec {
  border-top: var(--rule-thick);
}

.sechead {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  padding: 24px var(--pad) 18px;
  border-bottom: var(--rule);
}

.sechead h2 {
  font-family: var(--display);
  font-size: clamp(32px, 5vw, 64px);
  text-transform: uppercase;
  line-height: 0.86;
}

/* Split Layout */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-bottom: var(--rule);
}

.split__t {
  padding: clamp(28px, 5vw, 64px) var(--pad);
  border-right: var(--rule);
}

.split__t h2 {
  font-family: var(--display);
  font-size: clamp(32px, 5vw, 64px);
  text-transform: uppercase;
  line-height: 0.88;
  margin: 12px 0 20px 0;
}

.split__i {
  background: #000;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.split__i img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 12px 20px;
  border: var(--rule);
  transition: all 0.15s;
}

.btn:hover {
  background: var(--orange);
  color: #fff;
  border-color: var(--orange);
}

.btn--ghost {
  background: var(--paper);
  color: var(--ink);
}

.btn--ghost:hover {
  background: var(--ink);
  color: var(--paper);
}

/* Grid for Products */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}

.card {
  border-right: var(--rule);
  border-bottom: var(--rule);
  background: var(--paper-card);
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  transition: background 0.15s;
}

.card:hover {
  background: #fff;
}

.card__head {
  display: flex;
  justify-content: space-between;
  margin-bottom: 12px;
  font-family: var(--mono);
  font-size: 11px;
}

.card__img {
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.card__img img {
  max-height: 100%;
  object-fit: contain;
}

.card__title {
  font-family: var(--display);
  font-size: 1.25rem;
  text-transform: uppercase;
  line-height: 1.1;
  margin-bottom: 8px;
}

.card__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 16px;
  padding-top: 12px;
  border-top: var(--rule);
}

.card__price {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  font-weight: 700;
}

/* Department Index Rows (Prominent & Clear Thumbnails) */
.idxrow {
  display: grid;
  grid-template-columns: 64px 1fr 140px 120px;
  align-items: center;
  gap: 20px;
  padding: 12px var(--pad);
  border-top: var(--rule);
  transition: background 0.15s, color 0.15s;
}

.idxrow:last-child {
  border-bottom: var(--rule);
}

.idxrow:hover {
  background: var(--ink);
  color: var(--paper);
}

.idxrow__n {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  opacity: 0.55;
}

.idxrow__t {
  font-family: var(--display);
  font-size: clamp(24px, 4vw, 48px);
  text-transform: uppercase;
  line-height: 1;
  padding: 12px 0;
}

.idxrow__i {
  width: 140px;
  height: 85px;
  background: #fff;
  border: 1px solid var(--ink);
  border-radius: 4px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4px;
  opacity: 0.9;
  transition: opacity 0.2s, transform 0.2s;
}

.idxrow:hover .idxrow__i {
  opacity: 1;
  transform: scale(1.05);
}

.idxrow__i img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.idxrow__c {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-align: right;
  opacity: 0.8;
}

/* Review Quotes Strip */
.quotes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-bottom: var(--rule);
}

.quotes figure {
  padding: 40px var(--pad);
  border-right: var(--rule);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.quotes figure:last-child {
  border-right: none;
}

.quotes blockquote {
  font-family: var(--serif);
  font-size: 1.6rem;
  font-style: italic;
  line-height: 1.2;
  margin-bottom: 20px;
}

.quotes figcaption {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

/* Footer */
.ftr {
  background: var(--ink);
  color: var(--paper);
  padding: 48px var(--pad) 24px;
  border-top: var(--rule-thick);
}

.ftr__grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 3rem;
  margin-bottom: 48px;
}

.ftr__bottom {
  border-top: 1px solid rgba(255,255,255,0.15);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 11px;
  color: rgba(255,255,255,0.5);
}

/* Modals & Cart Drawer */
.cart-drawer-backdrop {
  position: fixed; inset: 0;
  background: rgba(11, 13, 20, 0.75);
  backdrop-filter: blur(4px);
  z-index: 200; opacity: 0; pointer-events: none;
  transition: opacity 0.25s;
}

.cart-drawer-backdrop.open { opacity: 1; pointer-events: auto; }

.cart-drawer {
  position: fixed; top: 0; right: 0; bottom: 0;
  width: 440px; max-width: 100vw;
  background: var(--paper);
  border-left: var(--rule-thick);
  z-index: 201;
  display: flex; flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.cart-drawer.open { transform: translateX(0); }

.modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(11, 13, 20, 0.85);
  backdrop-filter: blur(6px);
  z-index: 300;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none;
  transition: opacity 0.25s;
}

.modal-backdrop.open { opacity: 1; pointer-events: auto; }

.modal-content {
  background: var(--paper);
  border: var(--rule-thick);
  max-width: 840px; width: 90%;
  max-height: 90vh; overflow-y: auto;
  padding: 2rem; position: relative;
}

.toast-container {
  position: fixed; bottom: 2rem; right: 2rem; z-index: 400;
  display: flex; flex-direction: column; gap: 10px;
}

.toast {
  background: var(--ink);
  color: var(--paper);
  border: 1px solid var(--orange);
  padding: 0.75rem 1.25rem;
  font-family: var(--mono);
  font-size: 0.85rem;
  display: flex; align-items: center; gap: 10px;
}

@media(max-width: 900px) {
  .hero { grid-template-columns: 1fr; }
  .split { grid-template-columns: 1fr; }
  .quotes { grid-template-columns: 1fr; }
  .ftr__grid { grid-template-columns: 1fr 1fr; }
  .idxrow { grid-template-columns: 40px 1fr 90px; gap: 10px; }
  .idxrow__c { display: none; }
}