/* ==========================================================================
   PlakX - Retro Brutalist Vinyl Web Design System
   Matches the iOS & watchOS App Visual Language
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=JetBrains+Mono:wght@400;500;700&family=Outfit:wght@400;500;600;700;800&family=Space+Grotesk:wght@500;700&display=swap');

:root {
  --bg-paper: #f4ecd9;
  --bg-paper-light: #faf6ec;
  --bg-paper-card: #f8f2e4;
  --bg-dark: #121822;
  --bg-dark-surface: #1a2230;

  --color-ink: #111113;
  --color-ink-muted: #5a5954;
  --color-cobalt: #2f5e8e;
  --color-cobalt-dark: #1f3f61;
  --color-vermilion: #d8382a;
  --color-mustard: #f2b52b;
  --color-espresso: #3a2419;
  --color-cream: #e9dfb7;

  --border-thick: 3px solid var(--color-ink);
  --border-medium: 2px solid var(--color-ink);
  --border-thin: 1px solid rgba(17, 17, 19, 0.2);

  --shadow-sm: 3px 3px 0px var(--color-ink);
  --shadow-md: 5px 5px 0px var(--color-ink);
  --shadow-lg: 8px 8px 0px var(--color-ink);
  --shadow-hover: 2px 2px 0px var(--color-ink);

  --font-display: 'Bebas Neue', sans-serif;
  --font-heading: 'Space Grotesk', sans-serif;
  --font-body: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', Menlo, monospace;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  --container-max: 1200px;
  --transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

/* -------------------------------------------------------------
   Reset & Base Styles
   ------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--bg-paper);
  background-image: 
    radial-gradient(var(--color-ink) 1px, transparent 1px),
    radial-gradient(rgba(17, 17, 19, 0.08) 1px, transparent 1px);
  background-size: 32px 32px;
  background-position: 0 0, 16px 16px;
  color: var(--color-ink);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* -------------------------------------------------------------
   Typography Utilities
   ------------------------------------------------------------- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  letter-spacing: 0.03em;
  line-height: 1.05;
  text-transform: uppercase;
  color: var(--color-ink);
}

.mono-tag {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 700;
}

/* -------------------------------------------------------------
   Layout Container
   ------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* -------------------------------------------------------------
   Brutalist Stickers & Badges
   ------------------------------------------------------------- */
.sticker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: var(--color-vermilion);
  color: var(--bg-paper);
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: 0.05em;
  border: var(--border-medium);
  box-shadow: var(--shadow-sm);
  transform: rotate(-2deg);
  transition: var(--transition);
  user-select: none;
}

.sticker:hover {
  transform: rotate(0deg) scale(1.03);
}

.sticker.mustard {
  background: var(--color-mustard);
  color: var(--color-ink);
}

.sticker.cobalt {
  background: var(--color-cobalt);
  color: var(--bg-paper);
}

.sticker.paper {
  background: var(--bg-paper-light);
  color: var(--color-ink);
}

/* -------------------------------------------------------------
   Header / Navigation Bar
   ------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-paper);
  border-bottom: var(--border-thick);
  box-shadow: 0 4px 0 rgba(17, 17, 19, 0.08);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  position: relative;
  gap: 16px;
}

.logo-group {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  flex-shrink: 0;
  white-space: nowrap;
}

.logo-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  border: var(--border-medium);
  box-shadow: var(--shadow-sm);
  object-fit: cover;
  transition: var(--transition);
  flex-shrink: 0;
}

.logo-icon:hover {
  transform: scale(1.05) rotate(4deg);
}

.logo-text-wrap {
  display: flex;
  flex-direction: column;
  line-height: 1;
  gap: 2px;
  white-space: nowrap;
}

.logo-text {
  font-family: var(--font-display);
  font-size: 2.2rem;
  line-height: 1;
  color: var(--color-ink);
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.logo-tag {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: var(--color-cobalt);
  text-transform: uppercase;
  white-space: nowrap;
}

.desktop-nav {
  display: flex;
  align-items: center;
  flex-shrink: 1;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 14px;
  list-style: none;
  margin: 0;
  padding: 0;
  white-space: nowrap;
}

.nav-link {
  font-family: var(--font-mono);
  font-size: 0.84rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-ink);
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  white-space: nowrap;
  display: inline-block;
  transition: var(--transition);
}

.nav-link:hover {
  background: var(--color-mustard);
  color: var(--color-ink);
}

.nav-link.active {
  background: var(--color-mustard);
  color: var(--color-ink);
  border: var(--border-medium);
  box-shadow: 2px 2px 0px var(--color-ink);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  white-space: nowrap;
}

/* Store CTA Buttons (App Store & Google Play) */
.btn-appstore,
.btn-googleplay {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: var(--color-ink);
  color: var(--bg-paper-light);
  border: var(--border-medium);
  padding: 8px 13px;
  font-family: var(--font-heading);
  font-size: 0.88rem;
  font-weight: 700;
  box-shadow: var(--shadow-sm);
  white-space: nowrap;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition);
  flex-shrink: 0;
  border-radius: var(--radius-sm);
}

.btn-appstore:hover {
  background: var(--color-vermilion);
  color: #fff;
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-md);
}

.btn-googleplay {
  background: var(--bg-paper-light);
  color: var(--color-ink);
}

.btn-googleplay:hover {
  background: var(--color-mustard);
  color: var(--color-ink);
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-md);
}

.btn-appstore:active,
.btn-googleplay:active {
  transform: translate(2px, 2px);
  box-shadow: var(--shadow-hover);
}

.lang-switch {
  display: flex;
  align-items: center;
  border: var(--border-medium);
  background: var(--bg-paper-light);
  box-shadow: var(--shadow-sm);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  flex-shrink: 0;
  white-space: nowrap;
}

.lang-btn {
  padding: 6px 9px;
  color: var(--color-ink);
  white-space: nowrap;
  transition: var(--transition);
  cursor: pointer;
}

.lang-btn.active {
  background: var(--color-cobalt);
  color: #fff;
}

/* Zinkx Themed Header Badge (Retro Brutalist Style) */
.zinkx-header-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 12px;
  border-radius: var(--radius-full);
  background: var(--bg-paper-light);
  border: var(--border-medium);
  box-shadow: var(--shadow-sm);
  text-decoration: none;
  font-family: var(--font-mono);
  flex-shrink: 0;
  white-space: nowrap;
  transition: var(--transition);
}

.zinkx-header-badge:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-md);
  background: var(--color-mustard);
}

.zinkx-badge-label {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--color-ink-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.zinkx-badge-divider {
  width: 1px;
  height: 12px;
  background-color: rgba(17, 17, 19, 0.25);
  flex-shrink: 0;
}

.zinkx-badge-brand {
  display: inline-flex;
  align-items: baseline;
  font-weight: 800;
  font-size: 0.84rem;
  letter-spacing: -0.02em;
  color: var(--color-ink);
  white-space: nowrap;
}

.zinkx-badge-lotus {
  font-size: 0.75rem;
  margin-left: 3px;
}

/* Mobile Hamburger Menu Toggle Button */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  background: var(--bg-paper-light);
  border: var(--border-medium);
  box-shadow: var(--shadow-sm);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  padding: 0;
}

.mobile-menu-btn:hover {
  background: var(--color-mustard);
}

.mobile-menu-btn .menu-bar {
  display: block;
  width: 20px;
  height: 2.5px;
  background: var(--color-ink);
  border-radius: 1px;
  transition: transform 0.25s ease, opacity 0.2s ease;
}

.mobile-menu-btn.is-active .menu-bar:nth-child(1) {
  transform: translateY(7.5px) rotate(45deg);
}

.mobile-menu-btn.is-active .menu-bar:nth-child(2) {
  opacity: 0;
}

.mobile-menu-btn.is-active .menu-bar:nth-child(3) {
  transform: translateY(-7.5px) rotate(-45deg);
}

/* Mobile Navigation Dropdown Drawer */
.mobile-nav-drawer {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--bg-paper);
  border-bottom: var(--border-thick);
  box-shadow: 0 16px 32px rgba(17, 17, 19, 0.16);
  padding: 20px 24px;
  z-index: 99;
  opacity: 0;
  transform: translateY(-10px);
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.mobile-nav-drawer.is-open {
  display: block;
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
  list-style: none;
  margin-bottom: 16px;
}

.mobile-nav-link {
  display: block;
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-ink);
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  transition: var(--transition);
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
  background: var(--color-mustard);
  border: var(--border-medium);
  box-shadow: 2px 2px 0px var(--color-ink);
}

.mobile-nav-footer {
  border-top: 1px dashed rgba(17, 17, 19, 0.2);
  padding-top: 14px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* -------------------------------------------------------------
   Hero Section with Interactive Spinning Turntable & Background Atmosphere
   ------------------------------------------------------------- */
.hero-section {
  padding: 80px 0 70px;
  border-bottom: var(--border-thick);
  background: 
    radial-gradient(ellipse 65% 55% at 75% 40%, rgba(242, 181, 43, 0.20) 0%, transparent 70%),
    radial-gradient(ellipse 55% 45% at 18% 60%, rgba(216, 56, 42, 0.10) 0%, transparent 65%),
    radial-gradient(ellipse 50% 35% at 45% 15%, rgba(47, 94, 142, 0.10) 0%, transparent 60%),
    linear-gradient(180deg, var(--bg-paper) 0%, #ebe2cd 100%);
  position: relative;
  overflow: hidden;
}

/* Halftone Matrix & Precision Technical Grid */
.hero-bg-grid {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: 
    radial-gradient(circle, rgba(17, 17, 19, 0.09) 1.25px, transparent 1.25px),
    linear-gradient(to right, rgba(17, 17, 19, 0.035) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(17, 17, 19, 0.035) 1px, transparent 1px);
  background-size: 28px 28px, 112px 112px, 112px 112px;
  opacity: 0.85;
  z-index: 1;
}

/* Giant Concentric Vinyl Groove Watermark */
.hero-bg-vinyl-watermark {
  position: absolute;
  right: -60px;
  top: 50%;
  width: 840px;
  height: 840px;
  margin-top: -420px;
  pointer-events: none;
  z-index: 1;
  color: rgba(17, 17, 19, 0.07);
  animation: slowWatermarkSpin 140s linear infinite;
  transform-origin: center center;
}

@keyframes slowWatermarkSpin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

/* Brutalist Audio Display Typography Watermark */
.hero-bg-text-watermark {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 24px 0 44px;
  pointer-events: none;
  z-index: 1;
  overflow: hidden;
}

.watermark-row {
  font-family: var(--font-display);
  font-size: clamp(3rem, 6.5vw, 6.5rem);
  letter-spacing: 0.1em;
  color: rgba(17, 17, 19, 0.045);
  white-space: nowrap;
  text-transform: uppercase;
  line-height: 1;
  user-select: none;
}

.watermark-row.row-top {
  transform: translateX(-4%);
}

.watermark-row.row-bottom {
  transform: translateX(6%);
}

/* Vintage Brutalist Hi-Fi Inspection Stamps & Specs */
.hero-stamp-badge {
  position: absolute;
  pointer-events: none;
  z-index: 2;
  border: 2px dashed rgba(17, 17, 19, 0.22);
  border-radius: var(--radius-sm);
  background: rgba(247, 243, 235, 0.75);
  backdrop-filter: blur(6px);
  padding: 10px 14px;
  font-family: var(--font-mono);
  color: var(--color-ink);
  box-shadow: 3px 3px 0 rgba(17, 17, 19, 0.06);
  user-select: none;
}

.stamp-top-right {
  top: 26px;
  right: 48px;
  transform: rotate(3deg);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 2px;
}

.stamp-stars {
  font-size: 0.75rem;
  letter-spacing: 3px;
  color: var(--color-vermilion);
}

.stamp-head {
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: 0.06em;
  line-height: 1;
  color: var(--color-ink);
}

.stamp-sub {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--color-ink-muted);
}

.stamp-code {
  font-size: 0.62rem;
  font-weight: 800;
  padding: 2px 6px;
  background: var(--color-mustard);
  border-radius: 2px;
  margin-top: 3px;
  color: var(--color-ink);
}

.stamp-bottom-left {
  bottom: 44px;
  left: 48px;
  transform: rotate(-2deg);
  display: flex;
  flex-direction: column;
  gap: 3px;
  font-size: 0.7rem;
}

.stamp-tech-title {
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--color-cobalt);
  border-bottom: 1px dashed rgba(17, 17, 19, 0.2);
  padding-bottom: 3px;
}

.stamp-tech-line {
  font-weight: 600;
  color: var(--color-ink-muted);
}

.stamp-tech-badge {
  align-self: flex-start;
  font-size: 0.62rem;
  font-weight: 800;
  background: var(--color-ink);
  color: #fff;
  padding: 2px 6px;
  border-radius: 2px;
  margin-top: 3px;
}

/* Precision Alignment Schematics Crosshairs */
.hero-crosshair {
  position: absolute;
  width: 14px;
  height: 14px;
  pointer-events: none;
  z-index: 1;
  opacity: 0.35;
  color: var(--color-ink);
}

.hero-crosshair::before,
.hero-crosshair::after {
  content: "";
  position: absolute;
  background: currentColor;
}

.hero-crosshair::before {
  top: 6px;
  left: 0;
  right: 0;
  height: 1.5px;
}

.hero-crosshair::after {
  left: 6px;
  top: 0;
  bottom: 0;
  width: 1.5px;
}

.crosshair-1 { top: 22%; left: 8%; }
.crosshair-2 { top: 82%; left: 46%; }
.crosshair-3 { top: 18%; right: 38%; }

/* Audio Equalizer Spectrum Bar Visualizer */
.hero-bg-spectrum {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 42px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 4px;
  padding: 0 32px;
  pointer-events: none;
  z-index: 2;
  opacity: 0.55;
}

.spectrum-bar {
  flex: 1;
  min-width: 3px;
  max-width: 12px;
  background: linear-gradient(180deg, var(--color-vermilion) 0%, var(--color-mustard) 45%, var(--color-cobalt) 100%);
  border-radius: 2px 2px 0 0;
  height: 100%;
  transform-origin: bottom;
  animation: spectrumPulse 2s ease-in-out infinite alternate;
}

.spectrum-bar:nth-child(odd) {
  animation-duration: 1.4s;
  animation-delay: -0.4s;
}

.spectrum-bar:nth-child(3n) {
  animation-duration: 2.2s;
  animation-delay: -0.9s;
}

.spectrum-bar:nth-child(4n) {
  animation-duration: 1.7s;
  animation-delay: -1.2s;
}

.spectrum-bar:nth-child(5n) {
  animation-duration: 2.5s;
  animation-delay: -0.6s;
}

@keyframes spectrumPulse {
  0% { transform: scaleY(0.12); opacity: 0.3; }
  50% { transform: scaleY(0.85); opacity: 0.9; }
  100% { transform: scaleY(0.25); opacity: 0.45; }
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 20px;
}

.hero-title {
  font-size: clamp(3.2rem, 6.5vw, 5.4rem);
  line-height: 0.94;
  letter-spacing: 0.02em;
  text-shadow: 4px 4px 0px var(--color-mustard);
}

.hero-desc {
  font-size: 1.18rem;
  color: var(--color-ink-muted);
  max-width: 580px;
  font-weight: 500;
}

.hero-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 6px;
}

.pill-item {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 700;
  padding: 6px 12px;
  border: var(--border-medium);
  background: var(--bg-paper-light);
  box-shadow: var(--shadow-sm);
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 12px;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: var(--color-vermilion);
  color: #fff;
  border: var(--border-thick);
  padding: 14px 26px;
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
}

.btn-primary:hover {
  background: #bf2d20;
  transform: translate(-3px, -3px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-paper-light);
  color: var(--color-ink);
  border: var(--border-thick);
  padding: 14px 22px;
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
}

.btn-secondary:hover {
  background: var(--color-mustard);
  transform: translate(-3px, -3px);
  box-shadow: var(--shadow-lg);
}

/* Hero Turntable Player Visual */
/* Hero Turntable Player Visual */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
}

.hero-turntable-card {
  width: 100%;
  max-width: 440px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  position: relative;
}

.turntable-deck {
  width: 100%;
  max-width: 440px;
  aspect-ratio: 1 / 1;
  background: #181d24;
  border: var(--border-thick);
  box-shadow: var(--shadow-lg);
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
  box-sizing: border-box;
}

/* Strobe dot on top left */
.turntable-deck::before {
  content: "";
  position: absolute;
  top: 16px;
  left: 18px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-vermilion);
  box-shadow: 0 0 8px var(--color-vermilion);
  border: 1.5px solid #111;
  z-index: 5;
}

/* Authentic circular platter in center: strictly 1:1 */
.turntable-platter {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 84%;
  height: 84%;
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  background: #252830;
  border: 5px solid #0f1115;
  box-shadow: 
    inset 0 0 16px rgba(0, 0, 0, 0.9),
    0 4px 18px rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
}

/* Vinyl Disc: strictly 1:1 geometric circle, no ellipse */
.vinyl-disc {
  width: 95%;
  height: 95%;
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  background: radial-gradient(circle, #26262a 0%, #151518 55%, #09090b 100%);
  border: 3px solid #36363e;
  box-shadow: 0 0 22px rgba(0, 0, 0, 0.85);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  animation: spin-record 1.8s linear infinite;
  animation-play-state: paused;
  transform-origin: center center;
  box-sizing: border-box;
  flex-shrink: 0;
}

.vinyl-disc.playing {
  animation-play-state: running;
}

@keyframes spin-record {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.vinyl-sheen {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: conic-gradient(
    from 35deg,
    rgba(255, 255, 255, 0.13) 0deg,
    transparent 40deg,
    rgba(255, 255, 255, 0.13) 90deg,
    transparent 130deg,
    rgba(255, 255, 255, 0.13) 180deg,
    transparent 220deg,
    rgba(255, 255, 255, 0.13) 270deg,
    transparent 310deg,
    rgba(255, 255, 255, 0.13) 360deg
  );
  pointer-events: none;
}

.vinyl-grooves {
  position: absolute;
  inset: 10px;
  border-radius: 50%;
  border: 1px dashed rgba(255, 255, 255, 0.15);
  box-shadow: 
    inset 0 0 0 14px rgba(255, 255, 255, 0.03),
    inset 0 0 0 28px rgba(0, 0, 0, 0.45),
    inset 0 0 0 46px rgba(255, 255, 255, 0.04),
    inset 0 0 0 64px rgba(0, 0, 0, 0.55),
    inset 0 0 0 84px rgba(255, 255, 255, 0.03);
  pointer-events: none;
}

.vinyl-center-label {
  width: 36%;
  height: 36%;
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  background: var(--color-vermilion);
  border: 3px solid var(--color-ink);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--bg-paper);
  text-align: center;
  position: relative;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
  box-sizing: border-box;
}

.label-title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  line-height: 1;
  letter-spacing: 0.05em;
}

.label-rpm {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  margin-top: 2px;
}

.spindle-hole {
  width: 14px;
  height: 14px;
  aspect-ratio: 1 / 1;
  background: #11141a;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.5);
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.deck-tonearm {
  position: absolute;
  top: 14px;
  right: 18px;
  width: 90px;
  height: 230px;
  z-index: 10;
  pointer-events: none;
  transform-origin: 75px 25px;
  transform: rotate(18deg);
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.deck-tonearm.playing {
  transform: rotate(32deg);
}

.turntable-deck-controls {
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: 100%;
}

.turntable-controls-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
}

.turntable-toggle-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  background: var(--color-mustard);
  color: var(--color-ink);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  border: var(--border-medium);
  box-shadow: var(--shadow-sm);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.turntable-toggle-btn:hover {
  background: var(--color-vermilion);
  color: #fff;
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-md);
}

/* Floating Watch Badge */
.hero-watch-float {
  position: absolute;
  bottom: -25px;
  right: -20px;
  width: 140px;
  border-radius: 28px;
  border: var(--border-thick);
  box-shadow: var(--shadow-lg);
  transform: rotate(6deg);
  transition: var(--transition);
}

.hero-watch-float:hover {
  transform: rotate(0deg) scale(1.06);
}

/* -------------------------------------------------------------
   Features Section
   ------------------------------------------------------------- */
.features-section {
  padding: 90px 0;
  border-bottom: var(--border-thick);
  background: var(--bg-paper);
}

.section-head {
  text-align: center;
  max-width: 780px;
  margin: 0 auto 60px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.section-title {
  font-size: clamp(2.6rem, 5vw, 4.2rem);
  line-height: 0.95;
  text-shadow: 3px 3px 0px var(--color-mustard);
}

.section-subtitle {
  font-size: 1.15rem;
  color: var(--color-ink-muted);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.feature-card {
  background: var(--bg-paper-card);
  border: var(--border-thick);
  box-shadow: var(--shadow-md);
  border-radius: var(--radius-md);
  padding: 30px 26px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 8px;
  background: var(--color-ink);
}

.feature-card.vermilion::before { background: var(--color-vermilion); }
.feature-card.mustard::before { background: var(--color-mustard); }
.feature-card.cobalt::before { background: var(--color-cobalt); }
.feature-card.espresso::before { background: var(--color-espresso); }

.feature-card:hover {
  transform: translate(-4px, -4px);
  box-shadow: var(--shadow-lg);
}

.card-num {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-ink-muted);
}

.card-title {
  font-size: 1.9rem;
  line-height: 1.05;
}

.card-desc {
  font-size: 1rem;
  color: var(--color-ink-muted);
  line-height: 1.55;
}

.card-image-wrap {
  margin-top: auto;
  padding-top: 14px;
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.card-image-wrap img {
  border: var(--border-medium);
  box-shadow: var(--shadow-sm);
  border-radius: var(--radius-sm);
}

/* -------------------------------------------------------------
   Apple Watch Spotlight Section
   ------------------------------------------------------------- */
.watch-spotlight {
  padding: 90px 0;
  background: var(--bg-dark);
  color: var(--bg-paper);
  border-bottom: var(--border-thick);
  position: relative;
}

.watch-spotlight h2 {
  color: var(--bg-paper);
  text-shadow: 4px 4px 0px var(--color-vermilion);
}

.watch-intro-header {
  text-align: center;
  max-width: 840px;
  margin: 0 auto 56px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.watch-screens-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.watch-screen-card {
  background: #191f2b;
  border: var(--border-thick);
  box-shadow: 5px 5px 0px var(--color-mustard);
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: var(--transition);
  position: relative;
}

.watch-screen-card:hover {
  transform: translateY(-4px);
  box-shadow: 7px 7px 0px var(--color-vermilion);
  border-color: #fff;
}

.watch-screen-card.featured-card {
  grid-column: span 2;
  background: #1c2433;
  box-shadow: 6px 6px 0px var(--color-vermilion);
}

.watch-screen-card.featured-card .watch-screen-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
  align-items: center;
}

.watch-screen-badge-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.watch-screen-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-mustard);
  letter-spacing: 0.05em;
}

.watch-screen-tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  color: #5eead4;
  background: rgba(94, 234, 212, 0.12);
  border: 1px solid rgba(94, 234, 212, 0.3);
  padding: 3px 8px;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.watch-screen-frame {
  width: 100%;
  border-radius: 20px;
  overflow: hidden;
  border: 3px solid #0f1217;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.7);
  background: #000;
  display: flex;
  align-items: center;
  justify-content: center;
}

.watch-screen-frame img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.35s ease;
}

.watch-screen-card:hover .watch-screen-frame img {
  transform: scale(1.03);
}

.watch-screen-body {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.watch-screen-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.15;
}

.watch-screen-desc {
  font-size: 0.9rem;
  color: #94a3b8;
  line-height: 1.55;
}

@media (max-width: 1024px) {
  .watch-screens-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .watch-screen-card.featured-card {
    grid-column: span 2;
  }
}

@media (max-width: 640px) {
  .watch-screens-grid {
    grid-template-columns: 1fr;
  }
  .watch-screen-card.featured-card {
    grid-column: span 1;
  }
  .watch-screen-card.featured-card .watch-screen-inner {
    grid-template-columns: 1fr;
  }
}

/* -------------------------------------------------------------
   FAQ / Support Section
   ------------------------------------------------------------- */
.support-section {
  padding: 90px 0;
  background: var(--bg-paper-light);
  border-bottom: var(--border-thick);
}

.faq-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 48px;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--bg-paper);
  border: var(--border-thick);
  box-shadow: var(--shadow-sm);
  padding: 20px 24px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
}

.faq-item:hover {
  box-shadow: var(--shadow-md);
  transform: translate(-2px, -2px);
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-heading);
  font-size: 1.12rem;
  font-weight: 700;
}

.faq-toggle-icon {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 700;
  transition: transform 0.2s ease;
}

.faq-answer {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px dashed rgba(17, 17, 19, 0.25);
  font-size: 0.98rem;
  color: var(--color-ink-muted);
  line-height: 1.6;
}

/* Contact Card */
.contact-card {
  background: var(--color-mustard);
  border: var(--border-thick);
  box-shadow: var(--shadow-md);
  padding: 32px 28px;
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-card h3 {
  font-size: 2.2rem;
}

.contact-email-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 20px;
  background: var(--color-ink);
  color: var(--bg-paper);
  border: var(--border-medium);
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 700;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.contact-email-btn:hover {
  background: var(--color-vermilion);
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-md);
}

/* -------------------------------------------------------------
   Legal & Document Pages (Privacy, Terms, Support)
   ------------------------------------------------------------- */
.legal-header {
  padding: 60px 0 40px;
  border-bottom: var(--border-thick);
  background: var(--bg-paper-light);
}

.legal-title {
  font-size: clamp(2.8rem, 5vw, 4.5rem);
  text-shadow: 3px 3px 0px var(--color-mustard);
  margin-top: 12px;
}

.legal-content-wrap {
  padding: 60px 0 80px;
  background: var(--bg-paper);
}

.legal-article {
  max-width: 860px;
  margin: 0 auto;
  background: var(--bg-paper-card);
  border: var(--border-thick);
  box-shadow: var(--shadow-md);
  padding: 48px 42px;
  border-radius: var(--radius-md);
}

.legal-article h2 {
  font-size: 2rem;
  margin-top: 36px;
  margin-bottom: 12px;
  padding-bottom: 6px;
  border-bottom: 2px dashed rgba(17, 17, 19, 0.2);
}

.legal-article h3 {
  font-size: 1.4rem;
  margin-top: 24px;
  margin-bottom: 8px;
}

.legal-article p, .legal-article ul {
  font-size: 1.05rem;
  color: var(--color-ink-muted);
  line-height: 1.7;
  margin-bottom: 16px;
}

.legal-article ul {
  padding-left: 24px;
}

.legal-article li {
  margin-bottom: 8px;
}

.legal-meta {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--color-ink-muted);
  padding-bottom: 24px;
  margin-bottom: 24px;
  border-bottom: 2px solid var(--color-ink);
}

/* -------------------------------------------------------------
   Footer
   ------------------------------------------------------------- */
.site-footer {
  background: var(--bg-dark);
  color: var(--bg-paper);
  border-top: var(--border-thick);
  padding: 60px 0 40px;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  flex-wrap: wrap;
}

.footer-brand {
  max-width: 360px;
}

.footer-brand .logo-text {
  color: var(--bg-paper);
}

.footer-tagline {
  color: #a4b3c6;
  font-size: 0.95rem;
  margin-top: 12px;
}

.footer-nav {
  display: flex;
  gap: 60px;
  flex-wrap: wrap;
}

.footer-col-title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--color-mustard);
  margin-bottom: 14px;
  letter-spacing: 0.05em;
}

.footer-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-link {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: #c9d5e3;
  transition: var(--transition);
}

.footer-link:hover {
  color: var(--color-mustard);
  text-decoration: underline;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 28px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: #7d8b9e;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-bottom a {
  color: var(--color-mustard);
}

/* -------------------------------------------------------------
   Responsive Breakpoints
   ------------------------------------------------------------- */
@media (max-width: 1200px) {
  .zinkx-header-badge {
    display: none;
  }
  .nav-links {
    gap: 12px;
  }
  .nav-link {
    padding: 6px 8px;
    font-size: 0.8rem;
  }
}

@media (max-width: 1040px) {
  .desktop-nav {
    display: none;
  }
  .mobile-menu-btn {
    display: flex;
  }
}

@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-content {
    align-items: center;
  }
  .hero-desc {
    margin: 0 auto;
  }
  .hero-cta-group {
    justify-content: center;
  }
  .hero-pills {
    justify-content: center;
  }
  .hero-stamp-badge.stamp-bottom-left {
    display: none;
  }
  .hero-stamp-badge.stamp-top-right {
    top: 14px;
    right: 18px;
    transform: scale(0.85);
  }
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .watch-spotlight-grid {
    grid-template-columns: 1fr;
  }
  .faq-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .hero-bg-vinyl-watermark {
    opacity: 0.25;
    right: -240px;
    width: 520px;
    height: 520px;
  }
  .hero-bg-spectrum {
    padding: 0 10px;
    gap: 2px;
    height: 24px;
  }
  .watermark-row {
    font-size: 2.2rem;
  }
  .hero-stamp-badge {
    display: none;
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .watch-visuals {
    flex-direction: column;
  }
  .legal-article {
    padding: 28px 20px;
  }
}

@media (max-width: 680px) {
  .btn-googleplay span,
  .btn-appstore span {
    display: none;
  }
  .btn-googleplay,
  .btn-appstore {
    padding: 8px 10px;
  }
  .nav-actions {
    gap: 6px;
  }
}

@media (max-width: 480px) {
  .logo-text {
    font-size: 1.8rem;
  }
  .logo-icon {
    width: 38px;
    height: 38px;
  }
}

/* -------------------------------------------------------------
   Retro-Brutalist Google Play Informational Modal
   ------------------------------------------------------------- */
.plakx-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(17, 17, 19, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.plakx-modal-backdrop.is-open {
  opacity: 1;
  visibility: visible;
}

.plakx-modal-card {
  position: relative;
  width: 100%;
  max-width: 500px;
  background: var(--bg-paper-light);
  border: var(--border-thick);
  box-shadow: var(--shadow-lg);
  border-radius: var(--radius-md);
  padding: 34px 28px 28px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  transform: scale(0.92) translateY(12px);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  overflow: hidden;
}

.plakx-modal-backdrop.is-open .plakx-modal-card {
  transform: scale(1) translateY(0);
}

.plakx-modal-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(17, 17, 19, 0.06) 1px, transparent 1px);
  background-size: 20px 20px;
  pointer-events: none;
  z-index: 0;
}

.modal-close-btn {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 36px;
  height: 36px;
  background: var(--bg-paper);
  border: var(--border-medium);
  box-shadow: 2px 2px 0px var(--color-ink);
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--color-ink);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  z-index: 2;
  border-radius: var(--radius-sm);
  padding: 0;
  line-height: 1;
}

.modal-close-btn:hover {
  background: var(--color-vermilion);
  color: #fff;
  transform: translate(-1px, -1px);
  box-shadow: 3px 3px 0px var(--color-ink);
}

.modal-body {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
}

.modal-icon-badge {
  width: 68px;
  height: 68px;
  background: var(--bg-paper);
  border: var(--border-thick);
  box-shadow: 4px 4px 0px var(--color-ink);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
  color: var(--color-ink);
}

.modal-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.3rem);
  letter-spacing: 0.03em;
  line-height: 1;
  margin-top: 6px;
  margin-bottom: 12px;
  color: var(--color-ink);
}

.modal-desc {
  font-family: var(--font-body);
  font-size: 0.96rem;
  line-height: 1.5;
  color: var(--color-ink-muted);
  margin-bottom: 22px;
}

.modal-notify-wrap {
  width: 100%;
  margin-bottom: 18px;
}

.modal-notify-form {
  display: flex;
  gap: 8px;
  width: 100%;
}

.modal-notify-input {
  flex: 1;
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  border: var(--border-medium);
  box-shadow: var(--shadow-sm);
  background: #fff;
  color: var(--color-ink);
  outline: none;
  border-radius: var(--radius-sm);
}

.modal-notify-input:focus {
  border-color: var(--color-cobalt);
}

.modal-notify-btn {
  padding: 10px 16px;
  background: var(--color-cobalt);
  color: #fff;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.85rem;
  border: var(--border-medium);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
  border-radius: var(--radius-sm);
}

.modal-notify-btn:hover {
  background: var(--color-mustard);
  color: var(--color-ink);
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-md);
}

.modal-notify-feedback {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--color-cobalt-dark);
  background: var(--color-cream);
  border: 1px dashed var(--color-cobalt);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  width: 100%;
  text-align: center;
}

.modal-primary-btn {
  width: 100%;
  padding: 12px 20px;
  background: var(--color-ink);
  color: #fff;
  border: var(--border-medium);
  box-shadow: var(--shadow-sm);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition);
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.modal-primary-btn:hover {
  background: var(--color-mustard);
  color: var(--color-ink);
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-md);
}

/* Modal Branding Accent Bars (Google & Apple) */
.modal-accent-bar {
  display: flex;
  width: 100%;
  height: 6px;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  overflow: hidden;
  border-bottom: 2px solid var(--color-ink);
  z-index: 3;
}

.modal-google-bar span:nth-child(1) { background: #4285F4; flex: 1; }
.modal-google-bar span:nth-child(2) { background: #EA4335; flex: 1; }
.modal-google-bar span:nth-child(3) { background: #FBBC05; flex: 1; }
.modal-google-bar span:nth-child(4) { background: #34A853; flex: 1; }

.modal-apple-bar {
  background: linear-gradient(90deg, #111113 0%, #64748b 50%, #111113 100%);
}

.modal-icon-badge.google-badge {
  background: #ffffff;
  border: var(--border-thick);
  box-shadow: 4px 4px 0px #4285F4;
}

.modal-icon-badge.apple-badge {
  background: #111113;
  color: #ffffff;
  border: var(--border-thick);
  box-shadow: 4px 4px 0px rgba(0, 0, 0, 0.4);
}

.sticker.google-sticker {
  background: #ffffff;
  color: #1e293b;
  border: 2px solid #4285F4;
  box-shadow: 2px 2px 0px #4285F4;
}

.sticker.apple-sticker {
  background: #111113;
  color: #ffffff;
  border: 2px solid #111113;
  box-shadow: 2px 2px 0px rgba(0, 0, 0, 0.3);
}

.modal-notify-btn.google-notify-btn {
  background: #4285F4;
  color: #fff;
  border: var(--border-medium);
  box-shadow: var(--shadow-sm);
}

.modal-notify-btn.google-notify-btn:hover {
  background: #34A853;
  color: #fff;
}

.modal-primary-btn.modal-apple-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: #111113;
  color: #ffffff;
  text-decoration: none;
}

.modal-primary-btn.modal-apple-btn:hover {
  background: var(--color-cobalt);
  color: #ffffff;
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-md);
}

.modal-specs-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  width: 100%;
  margin-bottom: 20px;
}

.modal-spec-chip {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 10px;
  background: var(--bg-paper);
  border: var(--border-medium);
  box-shadow: 2px 2px 0px var(--color-ink);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 700;
  color: var(--color-ink);
  text-transform: uppercase;
}

.modal-spec-chip-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-cobalt);
}

.modal-secondary-btn {
  width: 100%;
  padding: 10px 16px;
  background: transparent;
  color: var(--color-ink-muted);
  border: none;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.88rem;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: underline;
  margin-top: 8px;
}

.modal-secondary-btn:hover {
  color: var(--color-ink);
}

/* -------------------------------------------------------------
   Interactive Features & Enhancements
   ------------------------------------------------------------- */

/* 1. 3D Sleeve Flip Card (Feature 04) */
.flip-card-container {
  perspective: 1200px;
  cursor: pointer;
}

.flip-card-inner {
  position: relative;
  width: 100%;
  transform-style: preserve-3d;
  transition: transform 0.6s cubic-bezier(0.2, 0.85, 0.4, 1.2);
}

.flip-card-container.is-flipped .flip-card-inner {
  transform: rotateY(180deg);
}

.flip-card-front,
.flip-card-back {
  width: 100%;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  position: relative;
}

.flip-card-back {
  position: absolute;
  top: 0;
  left: 0;
  transform: rotateY(180deg);
}

.flip-trigger-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  margin-top: 10px;
  padding: 8px 12px;
  background: var(--bg-paper);
  border: var(--border-medium);
  box-shadow: var(--shadow-sm);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-ink);
  transition: var(--transition);
}

.flip-trigger-btn:hover {
  background: var(--color-mustard);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* 2. Collection Value Stats Pills (Feature 05) */
.stat-pills-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  margin-bottom: 6px;
}

.stat-pill {
  background: var(--bg-paper);
  border: var(--border-medium);
  box-shadow: var(--shadow-sm);
  border-radius: var(--radius-sm);
  padding: 6px 10px;
  display: flex;
  flex-direction: column;
}

.stat-pill-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--color-ink-muted);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.stat-pill-val {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--color-ink);
  line-height: 1.1;
}

/* 3. Theme Tags Row (Feature 06) */
.theme-tags-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 6px;
}

.theme-tag {
  padding: 4px 8px;
  background: var(--bg-paper);
  border: var(--border-medium);
  box-shadow: 2px 2px 0px var(--color-ink);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-ink);
  letter-spacing: 0.03em;
}

/* Dual language display helper */
[data-lang-block="en"] {
  display: none;
}