/* ============================================================================
   C.A.R.P. Labs — High-Trust Light Storefront ("The Perfect Store")
   Figure-Ground Architecture: Warm Lab Paper (#F6F8FA) + Cool-Stone Museum Mat
   (#E6ECF2) + Crisp Cards (#FFFFFF) + Single Von-Restorff CTA (#0F766E)
   ============================================================================ */

:root {
  /* Storefront Surface Hierarchy */
  --bg-page: #F6F8FA;           /* Glare-free Warm Lab Paper */
  --bg-card: #FFFFFF;           /* Buy Boxes, Catalog Cards, Audio Player, Specs, FAQ */
  --bg-museum-mat: #E6ECF2;     /* Neutral Cool-Stone Mat framing dark plugin captures */
  --bg-pill-track: #EEF2F6;     /* Segmented pill control trough */
  --bg-wave-track: #F8FAFC;     /* Light DAW waveform scrubber surface */

  /* Editorial Ink Hierarchy */
  --ink-primary: #0F172A;
  --ink-secondary: #475569;
  --ink-muted: #64748B;

  /* Crisp Hairlines */
  --border-subtle: #E2E8F0;
  --border-strong: #CBD5E1;

  /* Single Von-Restorff Primary Action Color */
  --cta-primary: #0F766E;
  --cta-primary-hover: #0D9488;
  --amber-delta: #D97706;

  /* Typography */
  --font-sans: "Inter", "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;

  /* Radii & Layout */
  --radius-btn: 9px;
  --radius-card: 12px;
  --radius-mat: 14px;
  --max-width: 1200px;
}

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

html {
  scroll-behavior: smooth;
  background: var(--bg-page);
  color: var(--ink-primary);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--bg-page);
  color: var(--ink-primary);
  overflow-x: hidden;
}

main {
  flex: 1;
}

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

button {
  font-family: inherit;
  color: inherit;
}

.tabular {
  font-variant-numeric: tabular-nums;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ============================================================================
   OPTICALLY ALIGNED ∝ C.A.R.P. LABS BRAND MARK (LIGHT HEADER & FOOTER)
   ============================================================================ */

.brand-mark {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding-left: 11px;
  color: var(--ink-primary);
  transition: opacity 120ms ease;
}

.brand-mark:hover {
  opacity: 0.82;
}

.brand-mark::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1px;
  bottom: 1px;
  width: 3px;
  border-radius: 1.5px;
  background: var(--cta-primary);
}

.brand-fish {
  display: block;
  width: 22px;
  height: 12px;
  flex-shrink: 0;
  transform: translateY(-0.5px);
}

.brand-wordmark {
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: 0.06em;
  color: var(--ink-primary);
  white-space: nowrap;
}

.brand-mark.compact .brand-fish {
  width: 19px;
  height: 10.5px;
}

.brand-mark.compact .brand-wordmark {
  font-size: 13.5px;
}

/* ============================================================================
   STICKY TOP NAVIGATION BAR
   ============================================================================ */

.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(246, 248, 250, 0.90);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-item {
  position: relative;
  appearance: none;
  background: transparent;
  border: none;
  padding: 7px 13px;
  border-radius: 7px;
  font-size: 0.90rem;
  font-weight: 500;
  color: var(--ink-secondary);
  cursor: pointer;
  transition: color 120ms ease, background-color 120ms ease;
}

.nav-item:hover {
  color: var(--ink-primary);
  background: rgba(15, 23, 42, 0.045);
}

.nav-item[aria-current="page"] {
  color: var(--ink-primary);
  font-weight: 600;
}

.nav-item[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 13px;
  right: 13px;
  bottom: 2px;
  height: 2px;
  border-radius: 1px;
  background: var(--cta-primary);
}

/* ============================================================================
   VON RESTORFF BUTTON AFFORDANCE SYSTEM
   ============================================================================ */

.btn {
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: var(--radius-btn);
  font-size: 0.93rem;
  font-weight: 600;
  line-height: 1.2;
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
  transition: background-color 130ms ease, border-color 130ms ease, box-shadow 130ms ease, transform 70ms ease;
}

.btn:active {
  transform: translateY(1px);
}

.btn:focus-visible {
  outline: 2px solid var(--cta-primary);
  outline-offset: 2px;
}

.btn-primary {
  background: var(--cta-primary);
  border: 1.5px solid var(--cta-primary);
  color: #FFFFFF;
  font-weight: 650;
  box-shadow: 0 2px 6px rgba(15, 118, 110, 0.20);
}

.btn-primary:hover {
  background: var(--cta-primary-hover);
  border-color: var(--cta-primary-hover);
  box-shadow: 0 4px 12px rgba(13, 148, 136, 0.26);
}

.btn-secondary {
  background: var(--bg-card);
  border: 1.5px solid var(--border-strong);
  color: var(--ink-primary);
}

.btn-secondary:hover {
  background: var(--bg-wave-track);
  border-color: #94A3B8;
}

.btn-block {
  width: 100%;
  padding: 13.5px 22px;
  font-size: 0.96rem;
}

/* ============================================================================
   COOL-STONE MUSEUM MAT PEDESTAL (#E6ECF2) FOR REAL 2.0x PLUGIN CAPTURES
   ============================================================================ */

.museum-mat {
  display: block;
  background: var(--bg-museum-mat);
  border: 1px solid #DAE2EC;
  border-radius: var(--radius-mat);
  padding: 24px;
  position: relative;
}

.plugin-capture-frame {
  border-radius: 6px;
  overflow: hidden;
  background: #0F172A;
  box-shadow:
    0 22px 48px -12px rgba(15, 23, 42, 0.30),
    0 4px 14px rgba(15, 23, 42, 0.12);
}

.plugin-capture-frame.trace-aspect,
.plugin-capture-frame.decomp-aspect {
  aspect-ratio: 1060 / 650;
}

.plugin-capture-frame.veil-aspect {
  aspect-ratio: 980 / 570;
}

.plugin-capture-frame.catalog-aspect {
  aspect-ratio: 1060 / 650;
}

.plugin-capture-frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.museum-mat-zoomable {
  cursor: zoom-in;
  padding: 24px 24px 14px;
  transition: border-color 140ms ease;
}

.museum-mat-zoomable:hover {
  border-color: var(--border-strong);
}

.mat-caption-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 12px;
  font-size: 0.78rem;
  color: var(--ink-muted);
  flex-wrap: wrap;
}

.mat-state-pill {
  font-weight: 600;
  color: var(--ink-secondary);
}

/* ============================================================================
   PAGE 1: INSTITUTIONAL SHOWROOM & 2-CARD CATALOG (index.html)
   ============================================================================ */

.showroom-hero {
  padding: 52px 0 36px;
  max-width: 720px;
}

.eyebrow {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 10px;
}

.showroom-title {
  font-size: clamp(2.1rem, 3.8vw, 3.0rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.08;
  color: var(--ink-primary);
  margin: 0 0 12px;
}

.showroom-subtitle {
  margin: 0;
  font-size: 1.08rem;
  color: var(--ink-secondary);
}

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.catalog-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 20px;
  box-shadow: 0 2px 10px rgba(15, 23, 42, 0.035);
  transition: border-color 150ms ease, box-shadow 150ms ease;
}

.catalog-card:hover {
  border-color: var(--border-strong);
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.06);
}

.catalog-card .museum-mat {
  padding: 16px;
  border-radius: 11px;
  transition: transform 160ms ease;
}

.catalog-card .museum-mat:hover .plugin-capture-frame {
  box-shadow:
    0 26px 52px -12px rgba(15, 23, 42, 0.34),
    0 6px 16px rgba(15, 23, 42, 0.14);
}

.catalog-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  margin-top: 18px;
}

.model-tag {
  display: inline-block;
  font-size: 0.73rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 3px;
}

.catalog-title {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0;
}

.catalog-role {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--ink-secondary);
  margin-top: 2px;
}

.price-cluster {
  text-align: right;
  flex-shrink: 0;
}

.price-current {
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--ink-primary);
  line-height: 1.05;
  font-variant-numeric: tabular-nums;
}

.price-regular {
  font-size: 0.96rem;
  color: var(--ink-muted);
  text-decoration: line-through;
  margin-left: 5px;
  font-variant-numeric: tabular-nums;
}

.price-note {
  display: block;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--ink-muted);
  margin-top: 3px;
}

.catalog-outcome {
  margin: 12px 0 0;
  font-size: 0.95rem;
  color: var(--ink-secondary);
  line-height: 1.55;
}

.catalog-actions {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 9px;
}

.catalog-actions .btn {
  width: 100%;
}

/* 3-Column Institutional Standards Strip */
.standards-strip {
  margin: 42px 0 60px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  padding: 26px 28px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.standard-item h2 {
  font-size: 0.96rem;
  font-weight: 700;
  margin: 0 0 6px;
  color: var(--ink-primary);
}

.standard-item p {
  margin: 0;
  font-size: 0.88rem;
  color: var(--ink-secondary);
  line-height: 1.55;
}

/* ============================================================================
   PAGES 2 & 3: HIGH-TRUST PRODUCT PAGES (trace.html & veil.html)
   ============================================================================ */

.product-page {
  padding: 26px 0 64px;
}

.breadcrumb {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.84rem;
  color: var(--ink-muted);
  margin-bottom: 18px;
}

.breadcrumb a {
  color: var(--ink-secondary);
  font-weight: 500;
}

.breadcrumb a:hover {
  color: var(--ink-primary);
  text-decoration: underline;
}

/* Above-the-Fold ~62% Gallery + Player / ~38% Sticky Buy Box */
.product-split {
  display: grid;
  grid-template-columns: minmax(0, 1.63fr) minmax(330px, 1fr);
  gap: 28px;
  align-items: start;
}

.product-stage-col {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

/* Light-Mode Plugin Window State Switcher Card */
.audio-player-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card);
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.035);
}

.player-top-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.player-transport {
  display: flex;
  align-items: center;
  gap: 12px;
}

.play-circle-btn {
  appearance: none;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: none;
  background: var(--ink-primary);
  color: #FFFFFF;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  box-shadow: 0 3px 10px rgba(15, 23, 42, 0.18);
  transition: transform 90ms ease, background-color 120ms ease, box-shadow 120ms ease;
}

.play-circle-btn:hover {
  background: #1E293B;
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.25);
}

.play-circle-btn:active {
  transform: scale(0.96);
}

.play-circle-btn:focus-visible {
  outline: 2px solid var(--cta-primary);
  outline-offset: 2px;
}

.play-circle-btn[aria-pressed="true"] {
  background: var(--cta-primary);
}

.player-meta-label {
  display: flex;
  flex-direction: column;
}

.player-demo-title {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--ink-primary);
  line-height: 1.2;
}

.player-timecode {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--ink-muted);
  font-variant-numeric: tabular-nums;
}

.player-pills-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

/* iOS/macOS-style Segmented Pill Control */
.segmented-pills {
  display: inline-flex;
  align-items: center;
  background: var(--bg-pill-track);
  border-radius: 999px;
  padding: 3px;
  gap: 2px;
}

.segmented-pills.three-way {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  width: 100%;
  border-radius: 10px;
  padding: 3px;
  gap: 3px;
}

.segmented-pills.four-way {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  width: 100%;
  border-radius: 10px;
  padding: 3px;
  gap: 3px;
}

.segmented-pills.five-way {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  width: 100%;
  border-radius: 10px;
  padding: 3px;
  gap: 3px;
}

.seg-pill {
  appearance: none;
  border: none;
  background: transparent;
  color: var(--ink-secondary);
  font-size: 0.80rem;
  font-weight: 600;
  padding: 6px 13px;
  border-radius: 999px;
  cursor: pointer;
  white-space: nowrap;
  transition: background-color 120ms ease, color 120ms ease, box-shadow 120ms ease;
}

.segmented-pills.three-way .seg-pill,
.segmented-pills.four-way .seg-pill,
.segmented-pills.five-way .seg-pill {
  border-radius: 7px;
  padding: 7px 8px;
  text-align: center;
  overflow: hidden;
  text-overflow: ellipsis;
}

.player-match-badge {
  font-size: 0.73rem;
  font-weight: 600;
  color: var(--ink-muted);
  background: var(--bg-wave-track);
  border: 1px solid var(--border-subtle);
  border-radius: 999px;
  padding: 4px 10px;
  white-space: nowrap;
}

.player-method-note {
  font-size: 0.80rem;
  font-weight: 500;
  color: var(--ink-secondary);
  background: var(--bg-wave-track);
  border: 1px solid var(--border-subtle);
  border-radius: 7px;
  padding: 7px 11px;
  line-height: 1.42;
}

.seg-pill:hover {
  color: var(--ink-primary);
}

.seg-pill.is-active {
  background: var(--bg-card);
  color: var(--ink-primary);
  box-shadow:
    0 1px 3px rgba(15, 23, 42, 0.12),
    0 1px 2px rgba(15, 23, 42, 0.06);
}

.boost-pill {
  appearance: none;
  border: 1px solid var(--border-strong);
  background: var(--bg-card);
  color: var(--ink-secondary);
  font-size: 0.76rem;
  font-weight: 600;
  padding: 5px 10px;
  border-radius: 999px;
  cursor: pointer;
  font-variant-numeric: tabular-nums;
  transition: background-color 120ms ease, border-color 120ms ease, color 120ms ease;
}

.boost-pill:hover {
  border-color: #94A3B8;
  color: var(--ink-primary);
}

.boost-pill.is-active {
  background: #FEF3C7;
  border-color: #F59E0B;
  color: #92400E;
}

.voicing-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding-top: 2px;
  flex-wrap: wrap;
  transition: opacity 140ms ease;
}

.voicing-row.is-dimmed {
  opacity: 0.56;
}

.voicing-row.is-dimmed:hover {
  opacity: 0.90;
}

.voicing-caption {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--ink-muted);
}

/* Light-Mode DAW Waveform Scrubber (56px tall, #F8FAFC rounded track) */
.waveform-track {
  height: 56px;
  background: var(--bg-wave-track);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  overflow: hidden;
  cursor: pointer;
  position: relative;
}

.waveform-track:focus-visible {
  outline: 2px solid var(--cta-primary);
  outline-offset: 2px;
}

.waveform-track canvas {
  display: block;
  width: 100%;
  height: 100%;
}

/* Sticky Right-Hand #FFFFFF Buy / Download Box */
.buy-box {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 28px;
  box-shadow: 0 4px 18px rgba(15, 23, 42, 0.045);
  position: sticky;
  top: 80px;
}

.buy-title {
  font-size: 2.0rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin: 2px 0 4px;
}

.buy-subtitle {
  font-size: 0.94rem;
  font-weight: 600;
  color: var(--ink-secondary);
  margin: 0 0 12px;
}

.buy-summary {
  margin: 0 0 20px;
  font-size: 0.94rem;
  color: var(--ink-secondary);
  line-height: 1.55;
}

.buy-price-block {
  padding: 14px 0 18px;
  border-top: 1px solid var(--border-subtle);
}

.buy-price-line {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.buy-price-main {
  font-size: 2.25rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1;
  color: var(--ink-primary);
  font-variant-numeric: tabular-nums;
}

.buy-price-strike {
  font-size: 1.08rem;
  color: var(--ink-muted);
  text-decoration: line-through;
  font-variant-numeric: tabular-nums;
}

.buy-currency {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--ink-muted);
}

.buy-price-caption {
  font-size: 0.80rem;
  font-weight: 500;
  color: var(--ink-muted);
  margin-top: 5px;
}

.buy-cta-stack {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.cta-subnote {
  text-align: center;
  font-size: 0.76rem;
  color: var(--ink-muted);
  margin-top: -3px;
}

/* Proximity Micro-Trust Checkmarks */
.trust-checklist {
  list-style: none;
  padding: 18px 0 0;
  margin: 18px 0 0;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.trust-checklist li {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  font-size: 0.84rem;
  color: var(--ink-secondary);
  line-height: 1.4;
}

.trust-check {
  color: var(--cta-primary);
  font-weight: 700;
  flex-shrink: 0;
}

/* ============================================================================
   BELOW-THE-FOLD: OUTCOME CARDS, SPEC TABLE, FAQ ACCORDIONS & COMPANION CARD
   ============================================================================ */

.detail-section {
  margin-top: 52px;
}

.section-heading {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0 0 18px;
  color: var(--ink-primary);
}

.outcomes-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.outcome-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card);
  padding: 22px 24px;
}

.outcome-num {
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 6px;
  font-variant-numeric: tabular-nums;
}

.outcome-card h3 {
  font-size: 1.02rem;
  font-weight: 700;
  margin: 0 0 8px;
  color: var(--ink-primary);
}

.outcome-card p {
  margin: 0;
  font-size: 0.90rem;
  color: var(--ink-secondary);
  line-height: 1.55;
}

/* 2-Column Technical Specifications Table & FAQ Layout */
.specs-faq-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  margin-top: 48px;
  align-items: start;
}

.spec-table-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card);
  overflow: hidden;
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.89rem;
}

.spec-table tr + tr {
  border-top: 1px solid var(--border-subtle);
}

.spec-table th {
  width: 38%;
  text-align: left;
  padding: 13px 18px;
  font-weight: 600;
  color: var(--ink-primary);
  background: #FAFBFD;
  vertical-align: top;
}

.spec-table td {
  padding: 13px 18px;
  color: var(--ink-secondary);
  font-variant-numeric: tabular-nums;
}

/* Buyer-Anxiety FAQ (<details> Native Accordions) */
.faq-stack {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  overflow: hidden;
}

.faq-item summary {
  list-style: none;
  padding: 15px 18px;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--ink-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--ink-muted);
  line-height: 1;
  flex-shrink: 0;
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-body {
  padding: 0 18px 16px;
  font-size: 0.88rem;
  color: var(--ink-secondary);
  line-height: 1.6;
}

/* Companion Instrument Card */
.companion-card {
  margin-top: 44px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card);
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  transition: border-color 140ms ease, box-shadow 140ms ease;
}

.companion-card:hover {
  border-color: var(--border-strong);
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.045);
}

.companion-label {
  font-size: 0.76rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-muted);
  display: block;
  margin-bottom: 2px;
}

.companion-title {
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--ink-primary);
}

.companion-arrow {
  font-size: 0.90rem;
  font-weight: 600;
  color: var(--cta-primary);
}

/* ============================================================================
   CLEAN INSTITUTIONAL FOOTER & MODALS / ZOOM LIGHTBOX
   ============================================================================ */

.site-footer {
  border-top: 1px solid var(--border-subtle);
  background: var(--bg-card);
  padding: 28px 0 36px;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 0.84rem;
  color: var(--ink-muted);
}

.footer-left {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-links a:hover {
  color: var(--ink-primary);
  text-decoration: underline;
}

.footer-sep {
  color: var(--border-strong);
  user-select: none;
}

.footer-legal-note {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 0.77rem;
  color: var(--ink-muted);
}

/* ============================================================================
   PAGE 4: LEGAL, TERMS, EULA, REFUNDS, PRIVACY & OPEN SOURCE (legal.html)
   ============================================================================ */

.legal-page {
  padding: 26px 0 68px;
}

.legal-hero {
  max-width: 860px;
  padding: 6px 0 22px;
}

.legal-meta {
  margin-top: 10px;
  font-size: 0.82rem;
  color: var(--ink-muted);
}

.legal-jump-nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 28px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-subtle);
}

.legal-jump-pill {
  display: inline-flex;
  align-items: center;
  padding: 7px 14px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--ink-secondary);
  transition: border-color 120ms ease, color 120ms ease, box-shadow 120ms ease;
}

.legal-jump-pill:hover {
  color: var(--cta-primary);
  border-color: var(--border-strong);
  box-shadow: 0 2px 6px rgba(15, 23, 42, 0.04);
}

.legal-stack {
  display: flex;
  flex-direction: column;
  gap: 20px;
  max-width: 920px;
}

.legal-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card);
  padding: 28px 32px;
  scroll-margin-top: 86px;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.025);
}

.legal-card h2 {
  font-size: 1.24rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 2px 0 12px;
  color: var(--ink-primary);
}

.legal-card h3 {
  font-size: 0.98rem;
  font-weight: 700;
  margin: 18px 0 6px;
  color: var(--ink-primary);
}

.legal-card p {
  margin: 0 0 12px;
  font-size: 0.92rem;
  color: var(--ink-secondary);
  line-height: 1.65;
}

.legal-card p:last-child {
  margin-bottom: 0;
}

.legal-card ul {
  margin: 0 0 12px;
  padding-left: 20px;
  color: var(--ink-secondary);
  font-size: 0.91rem;
  line-height: 1.65;
}

.legal-card ul:last-child {
  margin-bottom: 0;
}

.legal-card li + li {
  margin-top: 6px;
}

.legal-card a {
  color: var(--cta-primary);
  font-weight: 600;
}

.legal-card a:hover {
  text-decoration: underline;
}

.legal-card code {
  font-family: ui-monospace, "Cascadia Code", "Consolas", monospace;
  font-size: 0.82rem;
  background: var(--bg-page);
  border: 1px solid var(--border-subtle);
  border-radius: 5px;
  padding: 1px 6px;
  color: var(--ink-primary);
}

.oss-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin: 14px 0;
}

.oss-item {
  background: var(--bg-page);
  border: 1px solid var(--border-subtle);
  border-radius: 9px;
  padding: 14px 16px;
}

.oss-item-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 4px;
}

.oss-item-name {
  font-size: 0.90rem;
  font-weight: 700;
  color: var(--ink-primary);
}

.oss-item-license {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--cta-primary);
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.oss-item-copy {
  font-size: 0.82rem;
  color: var(--ink-muted);
  line-height: 1.45;
}

/* Storefront / About Modal */
.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 120;
  background: rgba(15, 23, 42, 0.48);
  backdrop-filter: blur(5px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-backdrop[hidden] {
  display: none;
}

.modal-sheet {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  max-width: 500px;
  width: 100%;
  padding: 26px;
  box-shadow: 0 24px 60px rgba(15, 23, 42, 0.24);
}

.modal-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 14px;
  margin-bottom: 14px;
  border-bottom: 1px solid var(--border-subtle);
}

.modal-close-btn {
  appearance: none;
  border: 1px solid var(--border-subtle);
  background: var(--bg-page);
  color: var(--ink-secondary);
  border-radius: 7px;
  padding: 5px 11px;
  font-size: 0.80rem;
  font-weight: 600;
  cursor: pointer;
}

.modal-close-btn:hover {
  color: var(--ink-primary);
  border-color: var(--border-strong);
}

.modal-eyebrow {
  font-size: 0.74rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-muted);
}

.modal-title {
  margin: 4px 0 8px;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--ink-primary);
}

.modal-desc {
  margin: 0;
  font-size: 0.90rem;
  color: var(--ink-secondary);
  line-height: 1.55;
}

.modal-spec-list {
  margin: 16px 0 20px;
  padding: 12px 14px;
  background: var(--bg-page);
  border: 1px solid var(--border-subtle);
  border-radius: 9px;
  font-size: 0.83rem;
  color: var(--ink-secondary);
  line-height: 1.7;
}

.modal-spec-list strong {
  color: var(--ink-primary);
}

.modal-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  flex-wrap: wrap;
}

/* Click-to-Zoom Full-Resolution 2.0x Retina Lightbox */
.lightbox-backdrop {
  position: fixed;
  inset: 0;
  z-index: 140;
  background: rgba(15, 23, 42, 0.82);
  backdrop-filter: blur(8px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px;
  cursor: zoom-out;
}

.lightbox-backdrop[hidden] {
  display: none;
}

.lightbox-stage {
  max-width: min(1160px, 95vw);
  max-height: 86vh;
  background: var(--bg-museum-mat);
  padding: 16px;
  border-radius: 12px;
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.50);
  cursor: default;
}

.lightbox-stage img {
  display: block;
  max-width: 100%;
  max-height: calc(86vh - 64px);
  width: auto;
  height: auto;
  border-radius: 5px;
}

.lightbox-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 10px;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--ink-secondary);
}

/* ============================================================================
   RESPONSIVE BREAKPOINTS
   ============================================================================ */

@media (max-width: 1040px) {
  .catalog-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 960px) {
  .product-split {
    grid-template-columns: 1fr;
  }

  .buy-box {
    position: static;
  }

  .catalog-grid,
  .standards-strip,
  .outcomes-grid,
  .specs-faq-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .container,
  .header-inner {
    padding-left: 16px;
    padding-right: 16px;
  }

  .museum-mat,
  .museum-mat-zoomable {
    padding: 14px;
  }

  .buy-box {
    padding: 22px;
  }

  .legal-card {
    padding: 20px 18px;
  }

  .oss-grid {
    grid-template-columns: 1fr;
  }

  .segmented-pills.three-way {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .segmented-pills.four-way,
  .segmented-pills.five-way {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .player-match-badge {
    display: none;
  }

  .catalog-actions {
    flex-direction: column;
    align-items: stretch;
  }
}