/* style.css — sig- prefix, technical audiophile theme */

/* ────────────────────────── FONTS ─────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Archivo:wght@400;500;600;700;800;900&family=Archivo+Condensed:wght@600;700;800&family=JetBrains+Mono:wght@300;400;500;700&display=swap');

/* ────────────────────────── TOKENS ─────────────────────────── */
:root {
  --bg:        #f6f6f4;
  --bg-white:  #ffffff;
  --ink:       #1a1a1c;
  --ink-mid:   #3a3a3c;
  --ink-soft:  #7d8590;
  --amber:     #d8862e;
  --amber-dim: #b36a18;
  --amber-glow:rgba(216,134,46,0.15);
  --rule:      rgba(26,26,28,0.12);
  --rule-dark: rgba(26,26,28,0.35);
  --graphite:  #1a1a1c;
  --strip-bg:  #111113;
  --white:     #ffffff;
  --radius:    1px;
  --font-ui:   'Inter', system-ui, sans-serif;
  --font-disp: 'Archivo', 'Archivo Condensed', sans-serif;
  --font-cond: 'Archivo Condensed', 'Archivo', sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;
  --dur:       200ms;
  --ease:      cubic-bezier(.22,.68,0,1.2);
  --ease-hard: cubic-bezier(.4,0,.2,1);
}

/* ────────────────────────── RESET ─────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: var(--font-ui);
  background: var(--bg);
  color: var(--ink);
  min-height: 100vh;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; font: inherit; border: none; background: none; }
ul, ol { list-style: none; }
::selection { background: var(--amber); color: #fff; }

/* ────────────────────────── HEADER / NAV ─────────────────────── */
.sig-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-white);
  border-bottom: 1px solid var(--rule-dark);
  transition: box-shadow var(--dur) var(--ease-hard);
}
.sig-header.sig-scrolled { box-shadow: 0 2px 16px rgba(0,0,0,.08); }
.sig-header-inner {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 32px;
  height: 56px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 24px;
}

/* Brand placeholder */
.sig-brandslot {
  font-family: var(--font-cond);
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ink);
}

/* Nav */
.sig-nav {
  display: flex;
  gap: 0;
  align-items: center;
}
.sig-nav a {
  font-family: var(--font-ui);
  font-size: .74rem;
  font-weight: 500;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink-mid);
  padding: 0 14px;
  height: 56px;
  display: flex;
  align-items: center;
  border-bottom: 2px solid transparent;
  transition: color var(--dur), border-color var(--dur);
}
.sig-nav a:hover, .sig-nav a.sig-active {
  color: var(--ink);
  border-color: var(--amber);
}

/* Header right — status strip + cart */
.sig-header-right {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 20px;
}

/* Status strip */
.sig-status-strip {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: .62rem;
  letter-spacing: .04em;
  color: var(--ink-soft);
  white-space: nowrap;
}
.sig-status-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--amber);
  animation: sig-pulse 2.8s ease-in-out infinite;
}
@keyframes sig-pulse {
  0%,100% { opacity: 1; }
  50%      { opacity: .3; }
}
.sig-vu-mini {
  display: flex;
  align-items: flex-end;
  gap: 2px;
  height: 12px;
}
.sig-vu-mini span {
  display: block;
  width: 2px;
  background: var(--amber);
  border-radius: 0;
  animation: sig-vu-bar 1.4s ease-in-out infinite alternate;
}
.sig-vu-mini span:nth-child(1) { animation-delay:    0ms; }
.sig-vu-mini span:nth-child(2) { animation-delay:  180ms; }
.sig-vu-mini span:nth-child(3) { animation-delay:  360ms; }
.sig-vu-mini span:nth-child(4) { animation-delay:  540ms; }
.sig-vu-mini span:nth-child(5) { animation-delay:  720ms; }
@keyframes sig-vu-bar {
  0%   { height: 2px; }
  100% { height: 12px; }
}
@media (prefers-reduced-motion: reduce) {
  .sig-vu-mini span, .sig-status-dot { animation: none; }
  .sig-vu-mini span { height: 6px; }
}

/* Cart btn */
.sig-cart-btn {
  display: flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-mono);
  font-size: .7rem;
  font-weight: 500;
  letter-spacing: .08em;
  color: var(--ink);
  border: 1px solid var(--rule-dark);
  padding: 5px 12px;
  transition: border-color var(--dur), background var(--dur), color var(--dur);
}
.sig-cart-btn:hover {
  border-color: var(--amber);
  background: var(--amber-glow);
}
.sig-cart-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 18px; height: 18px;
  background: var(--amber);
  color: #fff;
  font-size: .6rem;
  font-weight: 700;
  border-radius: 0;
  padding: 0 3px;
}
.sig-cart-count.sig-hidden { display: none; }

/* Hamburger (mobile) */
.sig-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 24px;
  padding: 4px 0;
}
.sig-hamburger span {
  display: block;
  height: 1px;
  background: var(--ink);
  transition: transform var(--dur), opacity var(--dur);
}

/* ────────────────────────── HERO ─────────────────────────── */
.sig-hero {
  background: var(--bg-white);
  border-bottom: 1px solid var(--rule);
  overflow: hidden;
  padding: 80px 32px 60px;
}
.sig-hero-inner {
  max-width: 1440px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

/* Platter zone */
.sig-hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.sig-platter-wrap {
  position: relative;
  width: 380px;
  height: 380px;
  flex-shrink: 0;
}
.sig-platter-record {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  border: 2px solid rgba(0,0,0,.08);
  background:
    repeating-radial-gradient(
      circle at center,
      #1a1a1c 0px, #1a1a1c 1px,
      #2a2a2d 2px, #2a2a2d 8px
    );
  animation: sig-spin 4.5s linear infinite;
  box-shadow: 0 8px 40px rgba(0,0,0,.18);
}
.sig-platter-record::after {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  width: 44px; height: 44px;
  border-radius: 50%;
  background: #111;
  border: 2px solid #333;
}
.sig-platter-label {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  width: 120px; height: 120px;
  border-radius: 50%;
  background: var(--amber);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  pointer-events: none;
}
.sig-platter-label span {
  font-family: var(--font-mono);
  font-size: .5rem;
  color: rgba(255,255,255,.9);
  letter-spacing: .1em;
  text-transform: uppercase;
}
.sig-platter-label strong {
  font-family: var(--font-cond);
  font-size: .75rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: .2em;
}
@keyframes sig-spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}
@media (prefers-reduced-motion: reduce) {
  .sig-platter-record { animation: none; }
}
.sig-tonearm {
  position: absolute;
  top: 18%; right: -8%;
  width: 2px;
  height: 55%;
  background: linear-gradient(to bottom, #888, #555);
  transform-origin: top center;
  transform: rotate(22deg);
  border-radius: 1px;
}
.sig-tonearm::after {
  content: '';
  position: absolute;
  bottom: 0; left: -4px;
  width: 10px; height: 10px;
  background: var(--amber);
  border-radius: 1px;
}

/* Hero content */
.sig-hero-content { display: flex; flex-direction: column; gap: 24px; }
.sig-hero-eyebrow {
  font-family: var(--font-mono);
  font-size: .66rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--amber);
}
.sig-hero-model {
  font-family: var(--font-cond);
  font-size: 3.8rem;
  font-weight: 900;
  line-height: .95;
  letter-spacing: -.01em;
  color: var(--ink);
}
.sig-hero-tagline {
  font-family: var(--font-ui);
  font-size: 1.05rem;
  font-weight: 400;
  color: var(--ink-mid);
  max-width: 38ch;
}

/* Spec readout */
.sig-spec-readout {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--rule-dark);
  border-radius: var(--radius);
  overflow: hidden;
}
.sig-spec-readout-row {
  display: flex;
  align-items: center;
  padding: 9px 16px;
  border-bottom: 1px solid var(--rule);
  background: var(--bg-white);
}
.sig-spec-readout-row:last-child { border-bottom: none; }
.sig-spec-readout-key {
  font-family: var(--font-mono);
  font-size: .62rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink-soft);
  width: 140px;
  flex-shrink: 0;
}
.sig-spec-readout-val {
  font-family: var(--font-mono);
  font-size: .78rem;
  font-weight: 500;
  color: var(--ink);
}
.sig-spec-readout-val.sig-tick { color: var(--amber); }

.sig-hero-cta-row { display: flex; gap: 16px; align-items: center; }
.sig-btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--ink);
  color: #fff;
  font-family: var(--font-ui);
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: 13px 28px;
  border-radius: var(--radius);
  transition: background var(--dur), transform var(--dur);
}
.sig-btn-primary:hover { background: var(--amber); transform: translateY(-1px); }
.sig-btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--ink-mid);
  font-family: var(--font-ui);
  font-size: .78rem;
  font-weight: 500;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 12px 24px;
  border: 1px solid var(--rule-dark);
  border-radius: var(--radius);
  transition: border-color var(--dur), color var(--dur), background var(--dur);
}
.sig-btn-outline:hover {
  border-color: var(--amber);
  color: var(--amber);
  background: var(--amber-glow);
}

/* ────────────────────────── SECTION SHELL ─────────────────────── */
.sig-section {
  padding: 72px 32px;
}
.sig-section--dark {
  background: var(--strip-bg);
  color: #fff;
}
.sig-section--white { background: var(--bg-white); }
.sig-section--bg    { background: var(--bg); }
.sig-section-header {
  max-width: 1440px;
  margin: 0 auto 40px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
}
.sig-section-title {
  font-family: var(--font-cond);
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: .01em;
  line-height: 1;
}
.sig-section--dark .sig-section-title { color: #fff; }
.sig-section-eyebrow {
  font-family: var(--font-mono);
  font-size: .6rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 8px;
}
.sig-inner { max-width: 1440px; margin: 0 auto; }

/* ────────────────────────── PRODUCT GRID ─────────────────────── */
.sig-product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--rule-dark);
  border: 1px solid var(--rule-dark);
}
.sig-product-card {
  background: var(--bg-white);
  display: flex;
  flex-direction: column;
  position: relative;
  transition: background var(--dur);
  outline: 2px solid transparent;
  outline-offset: -2px;
}
.sig-product-card:hover {
  outline-color: var(--amber);
  z-index: 1;
}
.sig-product-card-img {
  width: 100%;
  aspect-ratio: 4/3;
  overflow: hidden;
}
.sig-product-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s var(--ease-hard);
}
.sig-product-card:hover .sig-product-card-img img {
  transform: scale(1.03);
}
.sig-product-card-body { padding: 18px 20px 20px; display: flex; flex-direction: column; flex: 1; }
.sig-product-card-model {
  font-family: var(--font-mono);
  font-size: .62rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 4px;
}
.sig-product-card-name {
  font-family: var(--font-cond);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.1;
  margin-bottom: 6px;
}
.sig-product-card-spec {
  font-family: var(--font-mono);
  font-size: .66rem;
  color: var(--ink-soft);
  margin-bottom: 14px;
  flex: 1;
}
.sig-product-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--rule);
  padding-top: 12px;
}
.sig-product-card-price {
  font-family: var(--font-mono);
  font-size: .95rem;
  font-weight: 700;
  color: var(--ink);
}
.sig-product-card-arrow {
  font-family: var(--font-mono);
  font-size: .7rem;
  color: var(--amber);
  letter-spacing: .1em;
}
.sig-out-of-stock {
  position: absolute;
  top: 12px; right: 12px;
  font-family: var(--font-mono);
  font-size: .55rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  background: var(--ink-soft);
  color: #fff;
  padding: 3px 8px;
}

/* ────────────────────────── SPEC COMPARE TABLE ─────────────────────── */
.sig-compare-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--rule-dark);
}
.sig-compare-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: .72rem;
}
.sig-compare-table th,
.sig-compare-table td {
  padding: 10px 16px;
  border-bottom: 1px solid var(--rule);
  text-align: left;
  white-space: nowrap;
}
.sig-compare-table thead th {
  background: var(--strip-bg);
  color: #fff;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  border-bottom: none;
}
.sig-compare-table thead th:first-child {
  color: var(--amber);
}
.sig-compare-table tbody tr:nth-child(even) td { background: var(--bg); }
.sig-compare-table tbody tr:hover td { background: var(--amber-glow); }
.sig-compare-table td:first-child {
  color: var(--ink-soft);
  font-size: .62rem;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.sig-compare-table td.sig-highlight {
  color: var(--amber);
  font-weight: 700;
}

/* ────────────────────────── SIGNAL CHAIN ─────────────────────── */
.sig-chain {
  display: grid;
  grid-template-columns: 1fr 40px 1fr 40px 1fr;
  gap: 0;
  align-items: start;
  padding: 32px 0;
}
.sig-chain-step {
  border: 1px solid rgba(255,255,255,.15);
  padding: 24px;
  background: rgba(255,255,255,.04);
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.sig-chain-label {
  font-family: var(--font-mono);
  font-size: .6rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--amber);
}
.sig-chain-title {
  font-family: var(--font-cond);
  font-size: 1.3rem;
  font-weight: 800;
  color: #fff;
}
.sig-chain-select {
  font-family: var(--font-mono);
  font-size: .72rem;
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.2);
  color: #fff;
  padding: 9px 12px;
  appearance: none;
  cursor: pointer;
  outline: none;
  transition: border-color var(--dur);
}
.sig-chain-select:hover, .sig-chain-select:focus { border-color: var(--amber); }
.sig-chain-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--amber);
  font-size: 1.2rem;
  opacity: .7;
  padding-top: 40px;
}
.sig-chain-summary {
  grid-column: 1/-1;
  border-top: 1px solid rgba(255,255,255,.1);
  padding-top: 20px;
  font-family: var(--font-mono);
  font-size: .72rem;
  color: rgba(255,255,255,.6);
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
}
.sig-chain-summary strong { color: #fff; }

/* ────────────────────────── FR GRAPH ─────────────────────── */
.sig-fr-wrap {
  position: relative;
  border: 1px solid var(--rule-dark);
  background: var(--bg-white);
  padding: 32px 32px 24px;
}
.sig-fr-title {
  font-family: var(--font-mono);
  font-size: .62rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.sig-fr-title::before {
  content: '◈';
  color: var(--amber);
}
.sig-fr-graph {
  display: block;
  width: 100%;
}
.sig-fr-graph .sig-fr-bg     { fill: var(--bg-white); }
.sig-fr-graph .sig-fr-grid   { stroke: rgba(26,26,28,.08); stroke-width: .5; }
.sig-fr-graph .sig-fr-flat   { stroke: rgba(26,26,28,.15); stroke-width: .5; stroke-dasharray: 4 4; }
.sig-fr-graph .sig-fr-curve  {
  fill: none;
  stroke: var(--amber);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 2000;
  stroke-dashoffset: 2000;
  transition: stroke-dashoffset 1.8s ease-out;
}
.sig-fr-graph .sig-fr-curve.sig-drawn { stroke-dashoffset: 0; }
.sig-fr-graph .sig-fr-curve-bg {
  fill: rgba(216,134,46,.06);
  opacity: 0;
  transition: opacity .4s ease;
}
.sig-fr-graph .sig-fr-curve-bg.sig-drawn { opacity: 1; }
.sig-fr-graph text {
  font-family: var(--font-mono);
  font-size: 8px;
  fill: var(--ink-soft);
}
.sig-fr-graph text.sig-fr-axis-label {
  font-size: 7px;
  letter-spacing: .08em;
  text-transform: uppercase;
}

/* ────────────────────────── REVIEWS ─────────────────────── */
.sig-reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--rule-dark);
  border: 1px solid var(--rule-dark);
}
.sig-review-card {
  background: var(--bg-white);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.sig-review-stars {
  display: flex;
  gap: 3px;
}
.sig-star {
  width: 10px; height: 10px;
  background: var(--amber);
  clip-path: polygon(50% 0%,61% 35%,98% 35%,68% 57%,79% 91%,50% 70%,21% 91%,32% 57%,2% 35%,39% 35%);
}
.sig-star.sig-star-empty { background: var(--rule-dark); }
.sig-review-text {
  font-size: .85rem;
  color: var(--ink-mid);
  line-height: 1.6;
  flex: 1;
}
.sig-review-meta {
  font-family: var(--font-mono);
  font-size: .62rem;
  color: var(--ink-soft);
  letter-spacing: .06em;
  border-top: 1px solid var(--rule);
  padding-top: 12px;
}
.sig-review-product {
  font-family: var(--font-mono);
  font-size: .62rem;
  color: var(--amber);
  letter-spacing: .1em;
  text-transform: uppercase;
}

/* VU Meter decorative */
.sig-vu-meter {
  display: flex;
  align-items: flex-end;
  gap: 3px;
  height: 32px;
}
.sig-vu-bar {
  flex: 1;
  background: var(--amber);
  border-radius: 0;
  animation: sig-vu-full 1.8s ease-in-out infinite alternate;
}
.sig-vu-bar:nth-child(1) { animation-delay: 0ms; }
.sig-vu-bar:nth-child(2) { animation-delay: 120ms; }
.sig-vu-bar:nth-child(3) { animation-delay: 240ms; }
.sig-vu-bar:nth-child(4) { animation-delay: 360ms; }
.sig-vu-bar:nth-child(5) { animation-delay: 480ms; }
.sig-vu-bar:nth-child(6) { animation-delay: 600ms; }
.sig-vu-bar:nth-child(7) { animation-delay: 480ms; background: var(--amber-dim); }
.sig-vu-bar:nth-child(8) { animation-delay: 360ms; background: #c0392b; }
@keyframes sig-vu-full {
  0%   { height: 20%; }
  100% { height: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  .sig-vu-bar { animation: none; height: 50%; }
}

/* Build quality strip */
.sig-quality-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
}
.sig-quality-item {
  background: var(--bg-white);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.sig-quality-number {
  font-family: var(--font-mono);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--amber);
  line-height: 1;
}
.sig-quality-label {
  font-family: var(--font-cond);
  font-size: 1rem;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: .04em;
}
.sig-quality-desc {
  font-size: .78rem;
  color: var(--ink-soft);
  line-height: 1.5;
}

/* ────────────────────────── FOOTER ─────────────────────── */
.sig-footer {
  background: var(--strip-bg);
  color: rgba(255,255,255,.7);
  border-top: 2px solid var(--amber);
}
.sig-footer-main {
  max-width: 1440px;
  margin: 0 auto;
  padding: 48px 32px 32px;
  display: grid;
  grid-template-columns: 1.5fr repeat(4, 1fr);
  gap: 32px;
}
.sig-footer-brand-col {}
.sig-footer-brand {
  font-family: var(--font-cond);
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: #fff;
  margin-bottom: 14px;
  display: block;
}
.sig-footer-tagline {
  font-family: var(--font-mono);
  font-size: .62rem;
  letter-spacing: .08em;
  color: rgba(255,255,255,.4);
  margin-bottom: 16px;
  line-height: 1.6;
}
.sig-footer-stamps {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.sig-stamp {
  font-family: var(--font-mono);
  font-size: .55rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  border: 1px solid rgba(255,255,255,.2);
  color: rgba(255,255,255,.5);
  padding: 3px 8px;
}
.sig-stamp--amber {
  border-color: var(--amber);
  color: var(--amber);
}
.sig-footer-col-title {
  font-family: var(--font-mono);
  font-size: .6rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: rgba(255,255,255,.35);
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.sig-footer-links { display: flex; flex-direction: column; gap: 8px; }
.sig-footer-links a {
  font-family: var(--font-ui);
  font-size: .8rem;
  color: rgba(255,255,255,.6);
  transition: color var(--dur);
}
.sig-footer-links a:hover { color: var(--amber); }

.sig-footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  max-width: 1440px;
  margin: 0 auto;
  padding: 16px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.sig-footer-status {
  font-family: var(--font-mono);
  font-size: .6rem;
  color: rgba(255,255,255,.3);
  letter-spacing: .08em;
  display: flex;
  align-items: center;
  gap: 8px;
}
.sig-footer-legal {
  font-family: var(--font-mono);
  font-size: .58rem;
  color: rgba(255,255,255,.25);
  letter-spacing: .04em;
}
.sig-lang-switcher {
  display: flex;
  gap: 2px;
}
.sig-lang-switcher button {
  font-family: var(--font-mono);
  font-size: .6rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: rgba(255,255,255,.3);
  padding: 4px 8px;
  border: 1px solid transparent;
  transition: color var(--dur), border-color var(--dur);
  cursor: pointer;
}
.sig-lang-switcher button:hover,
.sig-lang-switcher button.sig-lang-active {
  color: var(--amber);
  border-color: var(--amber);
}

/* ────────────────────────── CART DRAWER ─────────────────────── */
.sig-drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.5);
  z-index: 200;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur);
}
.sig-drawer-overlay.sig-open {
  opacity: 1;
  pointer-events: all;
}
.sig-drawer {
  position: fixed;
  top: 0; right: 0;
  width: 440px;
  max-width: 100vw;
  height: 100vh;
  background: var(--bg-white);
  box-shadow: -4px 0 32px rgba(0,0,0,.12);
  z-index: 201;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform .3s var(--ease-hard);
}
.sig-drawer.sig-open { transform: translateX(0); }
.sig-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--rule-dark);
  flex-shrink: 0;
}
.sig-drawer-title {
  font-family: var(--font-cond);
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: .06em;
}
.sig-drawer-close {
  font-family: var(--font-mono);
  font-size: .7rem;
  color: var(--ink-soft);
  padding: 6px 10px;
  border: 1px solid var(--rule-dark);
  transition: border-color var(--dur), color var(--dur);
}
.sig-drawer-close:hover { border-color: var(--amber); color: var(--amber); }
.sig-drawer-body { flex: 1; overflow-y: auto; padding: 16px 24px; }
.sig-cart-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  gap: 12px;
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .08em;
}
.sig-cart-item {
  display: grid;
  grid-template-columns: 64px 1fr auto;
  gap: 14px;
  align-items: start;
  padding: 14px 0;
  border-bottom: 1px solid var(--rule);
}
.sig-cart-item-img {
  width: 64px; height: 64px;
  object-fit: cover;
  border: 1px solid var(--rule);
}
.sig-cart-item-name {
  font-size: .82rem;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 4px;
}
.sig-cart-item-model {
  font-family: var(--font-mono);
  font-size: .6rem;
  color: var(--amber);
  letter-spacing: .1em;
  margin-bottom: 8px;
}
.sig-cart-item-qty {
  display: flex;
  align-items: center;
  gap: 8px;
}
.sig-qty-btn {
  width: 24px; height: 24px;
  border: 1px solid var(--rule-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: .8rem;
  color: var(--ink);
  transition: border-color var(--dur), background var(--dur);
}
.sig-qty-btn:hover { border-color: var(--amber); background: var(--amber-glow); }
.sig-qty-num {
  font-family: var(--font-mono);
  font-size: .78rem;
  font-weight: 700;
  min-width: 20px;
  text-align: center;
}
.sig-cart-item-price {
  font-family: var(--font-mono);
  font-size: .82rem;
  font-weight: 700;
}
.sig-cart-item-remove {
  font-family: var(--font-mono);
  font-size: .6rem;
  color: var(--ink-soft);
  margin-top: 6px;
  display: block;
  transition: color var(--dur);
}
.sig-cart-item-remove:hover { color: #c0392b; }
.sig-drawer-footer {
  padding: 20px 24px;
  border-top: 1px solid var(--rule-dark);
  flex-shrink: 0;
}
.sig-subtotal-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}
.sig-subtotal-label {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.sig-subtotal-amt {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--ink);
}

/* ────────────────────────── TOAST ─────────────────────── */
.sig-toast-container {
  position: fixed;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 300;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}
.sig-toast {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .08em;
  background: var(--ink);
  color: #fff;
  padding: 12px 24px;
  border-left: 3px solid var(--amber);
  animation: sig-toast-in .3s var(--ease) forwards;
  pointer-events: auto;
}
.sig-toast.sig-toast-out {
  animation: sig-toast-out .3s ease forwards;
}
@keyframes sig-toast-in {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes sig-toast-out {
  from { opacity: 1; transform: translateY(0); }
  to   { opacity: 0; transform: translateY(-8px); }
}

/* ────────────────────────── PRODUCT DETAIL ─────────────────────── */
.sig-product-detail {
  max-width: 1440px;
  margin: 0 auto;
  padding: 48px 32px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}
.sig-gallery { display: flex; flex-direction: column; gap: 12px; }
.sig-gallery-main {
  width: 100%;
  aspect-ratio: 4/3;
  overflow: hidden;
  border: 1px solid var(--rule-dark);
  background: var(--bg);
}
.sig-gallery-main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity .25s;
}
.sig-gallery-thumbs { display: flex; gap: 8px; }
.sig-gallery-thumb {
  width: 72px; height: 56px;
  border: 1px solid var(--rule);
  overflow: hidden;
  cursor: pointer;
  transition: border-color var(--dur);
}
.sig-gallery-thumb.sig-active { border-color: var(--amber); }
.sig-gallery-thumb img { width: 100%; height: 100%; object-fit: cover; }

.sig-product-info { display: flex; flex-direction: column; gap: 24px; }
.sig-product-breadcrumb {
  font-family: var(--font-mono);
  font-size: .62rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.sig-product-breadcrumb a { transition: color var(--dur); }
.sig-product-breadcrumb a:hover { color: var(--amber); }
.sig-product-breadcrumb span { margin: 0 8px; opacity: .4; }

.sig-product-model-badge {
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--amber);
}
.sig-product-name {
  font-family: var(--font-cond);
  font-size: 2.4rem;
  font-weight: 900;
  line-height: .95;
  color: var(--ink);
}
.sig-product-price {
  font-family: var(--font-mono);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--ink);
}
.sig-product-short {
  font-size: .9rem;
  color: var(--ink-mid);
  line-height: 1.65;
  border-left: 2px solid var(--amber);
  padding-left: 14px;
}
.sig-product-stock {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: .66rem;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.sig-product-stock-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: #27ae60;
}
.sig-product-stock-dot.sig-out { background: var(--ink-soft); }

/* Finish selector */
.sig-finish-selector { display: flex; flex-direction: column; gap: 10px; }
.sig-finish-label {
  font-family: var(--font-mono);
  font-size: .62rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.sig-finish-swatches { display: flex; gap: 8px; }
.sig-swatch {
  width: 40px; height: 40px;
  border: 1px solid var(--rule-dark);
  cursor: pointer;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color var(--dur);
  outline: 2px solid transparent;
  outline-offset: 1px;
}
.sig-swatch.sig-active { outline-color: var(--amber); }
.sig-swatch[data-finish="Walnut"]  { background: #8b5e3c; }
.sig-swatch[data-finish="Black"]   { background: #1a1a1c; }
.sig-swatch[data-finish="Silver"]  { background: #c0c4cc; }
.sig-swatch-tip {
  position: absolute;
  bottom: 100%; left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: .55rem;
  background: var(--ink);
  color: #fff;
  padding: 3px 7px;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--dur);
  letter-spacing: .08em;
}
.sig-swatch:hover .sig-swatch-tip { opacity: 1; }

/* Qty + add to cart */
.sig-add-row { display: flex; gap: 12px; align-items: center; }
.sig-qty-control {
  display: flex;
  align-items: center;
  border: 1px solid var(--rule-dark);
}
.sig-qty-control .sig-qty-btn {
  width: 36px; height: 44px;
  border: none;
  border-right: 1px solid var(--rule-dark);
  font-size: .9rem;
}
.sig-qty-control .sig-qty-btn:last-child {
  border-right: none;
  border-left: 1px solid var(--rule-dark);
}
.sig-qty-control .sig-qty-num {
  width: 48px;
  text-align: center;
  font-size: .85rem;
}
.sig-btn-add {
  flex: 1;
  background: var(--ink);
  color: #fff;
  font-family: var(--font-ui);
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  padding: 0 24px;
  height: 44px;
  transition: background var(--dur);
}
.sig-btn-add:hover { background: var(--amber); }
.sig-btn-add:disabled { background: var(--ink-soft); cursor: not-allowed; }

/* Spec sheet */
.sig-spec-sheet {
  border: 1px solid var(--rule-dark);
  overflow: hidden;
}
.sig-spec-sheet-header {
  background: var(--strip-bg);
  padding: 10px 16px;
  font-family: var(--font-mono);
  font-size: .6rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--amber);
}
.sig-spec-row {
  display: flex;
  border-bottom: 1px solid var(--rule);
}
.sig-spec-row:last-child { border-bottom: none; }
.sig-spec-row:nth-child(even) { background: var(--bg); }
.sig-spec-key {
  width: 200px;
  flex-shrink: 0;
  padding: 9px 16px;
  font-family: var(--font-mono);
  font-size: .62rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  border-right: 1px solid var(--rule);
}
.sig-spec-val {
  padding: 9px 16px;
  font-family: var(--font-mono);
  font-size: .75rem;
  font-weight: 500;
  color: var(--ink);
  flex: 1;
}

/* In the box */
.sig-in-box-list { display: flex; flex-direction: column; gap: 0; border: 1px solid var(--rule-dark); }
.sig-in-box-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--rule);
  font-size: .82rem;
  color: var(--ink-mid);
}
.sig-in-box-item:last-child { border-bottom: none; }
.sig-in-box-item::before {
  content: '▸';
  color: var(--amber);
  font-size: .7rem;
  flex-shrink: 0;
}

/* Pairs with */
.sig-pairs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--rule-dark);
  border: 1px solid var(--rule-dark);
}
.sig-pair-card {
  background: var(--bg-white);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  outline: 2px solid transparent;
  outline-offset: -2px;
  transition: outline-color var(--dur);
}
.sig-pair-card:hover { outline-color: var(--amber); }
.sig-pair-card-img {
  width: 100%;
  aspect-ratio: 16/9;
  overflow: hidden;
}
.sig-pair-card-img img { width: 100%; height: 100%; object-fit: cover; }
.sig-pair-card-model {
  font-family: var(--font-mono);
  font-size: .58rem;
  color: var(--amber);
  letter-spacing: .12em;
  text-transform: uppercase;
}
.sig-pair-card-name { font-size: .8rem; font-weight: 600; color: var(--ink); }
.sig-pair-card-price {
  font-family: var(--font-mono);
  font-size: .75rem;
  color: var(--ink);
  font-weight: 700;
}

/* ────────────────────────── SHOP PAGE ─────────────────────── */
.sig-shop-header {
  background: var(--strip-bg);
  padding: 48px 32px 32px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.sig-shop-header-inner {
  max-width: 1440px;
  margin: 0 auto;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
}
.sig-shop-title {
  font-family: var(--font-cond);
  font-size: 3rem;
  font-weight: 900;
  color: #fff;
  line-height: 1;
}
.sig-shop-count {
  font-family: var(--font-mono);
  font-size: .68rem;
  color: rgba(255,255,255,.4);
  letter-spacing: .1em;
  margin-top: 6px;
}
.sig-shop-controls {
  max-width: 1440px;
  margin: 0 auto;
  padding: 20px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-bottom: 1px solid var(--rule);
  background: var(--bg-white);
}
.sig-filter-tabs { display: flex; gap: 0; }
.sig-filter-tab {
  font-family: var(--font-mono);
  font-size: .64rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  padding: 8px 18px;
  border: 1px solid var(--rule-dark);
  border-right: none;
  color: var(--ink-soft);
  background: var(--bg-white);
  transition: background var(--dur), color var(--dur);
  cursor: pointer;
}
.sig-filter-tab:last-child { border-right: 1px solid var(--rule-dark); }
.sig-filter-tab.sig-active, .sig-filter-tab:hover {
  background: var(--ink);
  color: #fff;
}
.sig-filter-tab.sig-active { background: var(--amber); border-color: var(--amber); color: #fff; }
.sig-sort-select {
  font-family: var(--font-mono);
  font-size: .65rem;
  letter-spacing: .08em;
  padding: 8px 12px;
  border: 1px solid var(--rule-dark);
  background: var(--bg-white);
  color: var(--ink);
  cursor: pointer;
  appearance: none;
  min-width: 160px;
}
.sig-sort-select:focus { outline: 1px solid var(--amber); }

/* ────────────────────────── CART PAGE ─────────────────────── */
.sig-cart-page {
  max-width: 1440px;
  margin: 0 auto;
  padding: 48px 32px;
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 48px;
  align-items: start;
}
.sig-cart-page-title {
  font-family: var(--font-cond);
  font-size: 2.4rem;
  font-weight: 900;
  margin-bottom: 24px;
}
.sig-cart-table-row {
  display: grid;
  grid-template-columns: 72px 1fr auto auto;
  gap: 20px;
  align-items: center;
  padding: 16px 0;
  border-bottom: 1px solid var(--rule);
}
.sig-cart-summary-box {
  border: 1px solid var(--rule-dark);
  padding: 24px;
  position: sticky;
  top: 80px;
}
.sig-cart-summary-title {
  font-family: var(--font-cond);
  font-size: 1.1rem;
  font-weight: 800;
  margin-bottom: 20px;
  letter-spacing: .04em;
  border-bottom: 1px solid var(--rule);
  padding-bottom: 12px;
}
.sig-cart-summary-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  font-size: .82rem;
  border-bottom: 1px solid var(--rule);
}
.sig-cart-summary-row:last-of-type {
  border-bottom: none;
  font-weight: 700;
  font-size: .95rem;
}
.sig-cart-summary-row span:last-child {
  font-family: var(--font-mono);
}

/* ────────────────────────── ABOUT ─────────────────────── */
.sig-about-header {
  background: var(--strip-bg);
  padding: 64px 32px;
  border-bottom: 2px solid var(--amber);
}
.sig-about-header-inner {
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.sig-about-title {
  font-family: var(--font-cond);
  font-size: 3.2rem;
  font-weight: 900;
  color: #fff;
  line-height: 1;
}
.sig-about-sub {
  font-size: 1.05rem;
  color: rgba(255,255,255,.6);
  max-width: 50ch;
  line-height: 1.7;
}
.sig-about-body {
  max-width: 1440px;
  margin: 0 auto;
  padding: 64px 32px;
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 64px;
  align-items: start;
}
.sig-about-prose { display: flex; flex-direction: column; gap: 24px; }
.sig-about-prose h2 {
  font-family: var(--font-cond);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--ink);
  border-bottom: 1px solid var(--rule);
  padding-bottom: 12px;
  letter-spacing: .02em;
}
.sig-about-prose p {
  font-size: .9rem;
  color: var(--ink-mid);
  line-height: 1.75;
}
.sig-about-sidebar { display: flex; flex-direction: column; gap: 16px; }
.sig-stat-box {
  border: 1px solid var(--rule-dark);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.sig-stat-num {
  font-family: var(--font-mono);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--amber);
}
.sig-stat-label {
  font-family: var(--font-ui);
  font-size: .78rem;
  font-weight: 600;
  color: var(--ink);
}
.sig-stat-desc { font-size: .75rem; color: var(--ink-soft); }

/* ────────────────────────── CONTACT ─────────────────────── */
.sig-contact-wrap {
  max-width: 1440px;
  margin: 0 auto;
  padding: 64px 32px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
}
.sig-contact-form-wrap { display: flex; flex-direction: column; gap: 20px; }
.sig-contact-title {
  font-family: var(--font-cond);
  font-size: 2rem;
  font-weight: 900;
  color: var(--ink);
}
.sig-form-row { display: flex; flex-direction: column; gap: 6px; }
.sig-form-label {
  font-family: var(--font-mono);
  font-size: .62rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.sig-form-input,
.sig-form-textarea,
.sig-form-select {
  font-family: var(--font-ui);
  font-size: .85rem;
  color: var(--ink);
  background: var(--bg-white);
  border: 1px solid var(--rule-dark);
  padding: 10px 14px;
  transition: border-color var(--dur), box-shadow var(--dur);
  border-radius: var(--radius);
  width: 100%;
}
.sig-form-input:focus,
.sig-form-textarea:focus,
.sig-form-select:focus {
  outline: none;
  border-color: var(--amber);
  box-shadow: 0 0 0 3px var(--amber-glow);
}
.sig-form-textarea { resize: vertical; min-height: 120px; }
.sig-contact-info { display: flex; flex-direction: column; gap: 24px; padding-top: 52px; }
.sig-contact-info-item { display: flex; flex-direction: column; gap: 4px; }
.sig-contact-info-label {
  font-family: var(--font-mono);
  font-size: .6rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.sig-contact-info-val {
  font-size: .88rem;
  color: var(--ink);
  line-height: 1.5;
}
.sig-contact-info-val a { color: var(--amber); }
.sig-session-box {
  border: 1px solid var(--amber);
  padding: 24px;
  background: var(--amber-glow);
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.sig-session-title {
  font-family: var(--font-cond);
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--ink);
}
.sig-session-desc { font-size: .82rem; color: var(--ink-mid); line-height: 1.5; }

/* ────────────────────────── LEGAL PAGES ─────────────────────── */
.sig-legal-wrap {
  max-width: 800px;
  margin: 0 auto;
  padding: 64px 32px;
}
.sig-legal-title {
  font-family: var(--font-cond);
  font-size: 2.4rem;
  font-weight: 900;
  margin-bottom: 8px;
}
.sig-legal-meta {
  font-family: var(--font-mono);
  font-size: .62rem;
  color: var(--ink-soft);
  letter-spacing: .08em;
  margin-bottom: 40px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--rule-dark);
}
.sig-legal-body { display: flex; flex-direction: column; gap: 32px; }
.sig-legal-section h2 {
  font-family: var(--font-ui);
  font-size: 1rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 10px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--rule);
}
.sig-legal-section p,
.sig-legal-section ul { font-size: .85rem; color: var(--ink-mid); line-height: 1.75; }
.sig-legal-section ul { padding-left: 20px; }
.sig-legal-section li { margin-bottom: 4px; }

/* ────────────────────────── PAGE HEADER ─────────────────────── */
.sig-page-header {
  background: var(--strip-bg);
  padding: 40px 32px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.sig-page-header-inner {
  max-width: 1440px;
  margin: 0 auto;
}
.sig-page-breadcrumb {
  font-family: var(--font-mono);
  font-size: .6rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: rgba(255,255,255,.35);
  margin-bottom: 8px;
}
.sig-page-breadcrumb a { transition: color var(--dur); }
.sig-page-breadcrumb a:hover { color: var(--amber); }
.sig-page-breadcrumb span { margin: 0 8px; opacity: .5; }
.sig-page-title {
  font-family: var(--font-cond);
  font-size: 2.4rem;
  font-weight: 900;
  color: #fff;
  line-height: 1;
}
.sig-page-sub {
  font-family: var(--font-mono);
  font-size: .7rem;
  color: rgba(255,255,255,.4);
  letter-spacing: .08em;
  margin-top: 8px;
}

/* ────────────────────────── UTILS ─────────────────────── */
.sig-txt-mono { font-family: var(--font-mono); }
.sig-txt-amber { color: var(--amber); }
.sig-txt-soft  { color: var(--ink-soft); }
.sig-rule-v { display: inline-block; width: 1px; height: 10px; background: var(--rule-dark); margin: 0 8px; vertical-align: middle; }
.sig-badge {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: .58rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  padding: 3px 8px;
  border: 1px solid;
}
.sig-badge--amber { border-color: var(--amber); color: var(--amber); }
.sig-badge--ink   { border-color: var(--rule-dark); color: var(--ink-soft); }

/* ────────────────────────── RESPONSIVE ─────────────────────── */
@media (max-width: 1100px) {
  .sig-hero-inner { gap: 40px; }
  .sig-platter-wrap { width: 300px; height: 300px; }
  .sig-hero-model { font-size: 3rem; }
  .sig-product-grid { grid-template-columns: repeat(2, 1fr); }
  .sig-reviews-grid { grid-template-columns: repeat(2, 1fr); }
  .sig-pairs-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
  .sig-header-inner { grid-template-columns: 1fr auto; }
  .sig-nav { display: none; }
  .sig-hamburger { display: flex; }
  .sig-hero-inner { grid-template-columns: 1fr; }
  .sig-hero-visual { display: none; }
  .sig-product-detail { grid-template-columns: 1fr; gap: 32px; }
  .sig-cart-page { grid-template-columns: 1fr; }
  .sig-footer-main { grid-template-columns: 1fr 1fr; }
  .sig-about-body { grid-template-columns: 1fr; }
  .sig-contact-wrap { grid-template-columns: 1fr; }
  .sig-chain { grid-template-columns: 1fr; }
  .sig-chain-arrow { display: none; }
  .sig-quality-strip { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .sig-product-grid { grid-template-columns: 1fr; }
  .sig-reviews-grid { grid-template-columns: 1fr; }
  .sig-pairs-grid { grid-template-columns: 1fr; }
  .sig-status-strip { display: none; }
  .sig-footer-main { grid-template-columns: 1fr; }
  .sig-quality-strip { grid-template-columns: 1fr; }
  .sig-compare-table td, .sig-compare-table th { padding: 8px; font-size: .65rem; }

  /* Scale down large display headings so long single words
     (e.g. "MEASUREMENT") don't overflow / get clipped on narrow screens. */
  .sig-hero-model   { font-size: 2.6rem; }
  .sig-about-title  { font-size: 2.1rem; }
  .sig-shop-title   { font-size: 2.2rem; }
  .sig-page-title   { font-size: 1.9rem; }
  .sig-product-name { font-size: 1.9rem; }
  .sig-legal-title,
  .sig-cart-page-title { font-size: 1.9rem; }
  .sig-about-title, .sig-hero-model, .sig-page-title,
  .sig-shop-title, .sig-product-name { overflow-wrap: break-word; }

  /* Shop controls: stack the filter tabs above the sort control, and let the
     connected tab row scroll horizontally so every category stays reachable
     (otherwise Cartridges/Cables were clipped off-screen on narrow viewports). */
  .sig-shop-controls {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }
  .sig-filter-tabs {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
  }
  .sig-filter-tab { white-space: nowrap; flex: 0 0 auto; }
  .sig-sort-select { width: 100%; }
}

/* Mobile nav overlay */
.sig-mobile-nav {
  position: fixed;
  inset: 0;
  background: var(--bg-white);
  z-index: 150;
  display: flex;
  flex-direction: column;
  padding: 80px 32px 32px;
  gap: 4px;
  transform: translateX(-100%);
  transition: transform .3s var(--ease-hard);
}
.sig-mobile-nav.sig-open { transform: translateX(0); }
.sig-mobile-nav a {
  font-family: var(--font-cond);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--ink);
  padding: 12px 0;
  border-bottom: 1px solid var(--rule);
  letter-spacing: .04em;
}
.sig-mobile-nav-close {
  position: absolute;
  top: 20px; right: 24px;
  font-family: var(--font-mono);
  font-size: .7rem;
  padding: 8px 14px;
  border: 1px solid var(--rule-dark);
  color: var(--ink);
  cursor: pointer;
}
/* Focus states */
:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}