/* ============================================
   NZ Food Database — Editorial Observatory
   A bold, modern data experience
   ============================================ */

/* ---------- CSS Custom Properties ---------- */
:root {
  /* Typography */
  --font-display: 'Instrument Serif', Georgia, serif;
  --font-mono: 'Space Mono', 'Courier New', monospace;
  --font-body: 'Inter', -apple-system, sans-serif;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --space-5xl: 8rem;

  /* Radii */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  /* Store Colors */
  --color-woolworths: #22c55e;
  --color-paknsave: #eab308;
  --color-newworld: #ef4444;

  /* Transitions */
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out-back: cubic-bezier(0.34, 1.56, 0.64, 1);
  --transition-fast: 150ms var(--ease-out-expo);
  --transition-base: 300ms var(--ease-out-expo);
  --transition-slow: 600ms var(--ease-out-expo);
  --transition-slower: 1000ms var(--ease-out-expo);
}

/* Dark Theme (Default) */
[data-theme="dark"] {
  --bg-base: #09090b;
  --bg-elevated: #18181b;
  --bg-card: rgba(24, 24, 27, 0.8);
  --bg-subtle: rgba(255, 255, 255, 0.03);

  --text-primary: #fafafa;
  --text-secondary: #a1a1aa;
  --text-muted: #52525b;

  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-default: rgba(255, 255, 255, 0.1);
  --border-strong: rgba(255, 255, 255, 0.2);

  --accent-primary: #f4f4f5;
  --accent-glow: rgba(244, 244, 245, 0.1);

  --gradient-primary: linear-gradient(135deg,
    rgba(34, 197, 94, 0.15) 0%,
    rgba(234, 179, 8, 0.1) 50%,
    rgba(239, 68, 68, 0.15) 100%);

  --shimmer-base: rgba(255, 255, 255, 0.03);
  --shimmer-highlight: rgba(255, 255, 255, 0.08);
}

/* Light Theme */
[data-theme="light"] {
  --bg-base: #fafafa;
  --bg-elevated: #ffffff;
  --bg-card: rgba(255, 255, 255, 0.9);
  --bg-subtle: rgba(0, 0, 0, 0.02);

  --text-primary: #09090b;
  --text-secondary: #52525b;
  --text-muted: #a1a1aa;

  --border-subtle: rgba(0, 0, 0, 0.04);
  --border-default: rgba(0, 0, 0, 0.08);
  --border-strong: rgba(0, 0, 0, 0.15);

  --accent-primary: #09090b;
  --accent-glow: rgba(0, 0, 0, 0.05);

  --gradient-primary: linear-gradient(135deg,
    rgba(34, 197, 94, 0.08) 0%,
    rgba(234, 179, 8, 0.05) 50%,
    rgba(239, 68, 68, 0.08) 100%);

  --shimmer-base: rgba(0, 0, 0, 0.03);
  --shimmer-highlight: rgba(0, 0, 0, 0.06);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-base);
  min-height: 100vh;
  overflow-x: hidden;
}

/* ---------- Animated Background ---------- */
.bg-canvas {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}

.bg-grain {
  position: absolute;
  inset: -100%;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
  opacity: 0.03;
  animation: grain 8s steps(10) infinite;
}

@keyframes grain {
  0%, 100% { transform: translate(0, 0); }
  10% { transform: translate(-5%, -10%); }
  20% { transform: translate(-15%, 5%); }
  30% { transform: translate(7%, -25%); }
  40% { transform: translate(-5%, 25%); }
  50% { transform: translate(-15%, 10%); }
  60% { transform: translate(15%, 0%); }
  70% { transform: translate(0%, 15%); }
  80% { transform: translate(3%, 35%); }
  90% { transform: translate(-10%, 10%); }
}

.bg-gradient {
  position: absolute;
  inset: 0;
  background: var(--gradient-primary);
  opacity: 0.5;
  animation: gradientShift 20s ease-in-out infinite;
}

@keyframes gradientShift {
  0%, 100% { opacity: 0.5; transform: scale(1); }
  50% { opacity: 0.7; transform: scale(1.1); }
}

.bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border-subtle) 1px, transparent 1px),
    linear-gradient(90deg, var(--border-subtle) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 50% at 50% 50%, black 40%, transparent 100%);
}

/* Light theme adjustments */
[data-theme="light"] .bg-grain {
  opacity: 0.015;
}

[data-theme="light"] .bg-grid {
  opacity: 0.5;
}

/* ---------- Navigation ---------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-lg) var(--space-xl);
  background: linear-gradient(to bottom, var(--bg-base) 0%, transparent 100%);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--text-primary);
}

.nav-icon {
  color: var(--color-woolworths);
  font-size: 1.25rem;
}

.nav-status {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  text-transform: uppercase;
}

.status-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-woolworths);
  animation: pulse 2s ease-in-out infinite;
  box-shadow: 0 0 12px var(--color-woolworths);
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.9); }
}

/* ---------- Main Layout ---------- */
.main {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

/* ---------- Hero Section ---------- */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--space-5xl) 0;
  position: relative;
}

.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-2xl);
  animation: fadeSlideUp 1s var(--ease-out-expo) 0.2s both;
}

.eyebrow-line {
  width: 40px;
  height: 1px;
  background: var(--border-strong);
}

.eyebrow-text {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 10vw, 7rem);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: var(--space-2xl);
}

.title-line {
  display: block;
}

.title-line-1 {
  animation: fadeSlideUp 1s var(--ease-out-expo) 0.3s both;
}

.title-line-2 {
  animation: fadeSlideUp 1s var(--ease-out-expo) 0.4s both;
  color: var(--text-secondary);
}

.title-line-3 {
  animation: fadeSlideUp 1s var(--ease-out-expo) 0.5s both;
}

.title-line-3 em {
  font-style: italic;
  background: linear-gradient(90deg, var(--color-woolworths), var(--color-paknsave), var(--color-newworld));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

@keyframes fadeSlideUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-statement {
  font-family: var(--font-body);
  font-size: clamp(1.125rem, 2vw, 1.5rem);
  font-weight: 400;
  line-height: 1.6;
  color: var(--text-secondary);
  max-width: 600px;
  animation: fadeSlideUp 1s var(--ease-out-expo) 0.6s both;
}

.hero-statement .highlight {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--text-primary);
  padding: 0 var(--space-xs);
  background: var(--bg-subtle);
  border-radius: var(--radius-sm);
}

.hero-scroll-hint {
  position: absolute;
  bottom: var(--space-3xl);
  left: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-sm);
  animation: fadeSlideUp 1s var(--ease-out-expo) 1s both;
}

.scroll-text {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.scroll-arrow {
  font-size: 1.25rem;
  color: var(--text-muted);
  animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(8px); }
}

/* ---------- Section Labels ---------- */
.label-number {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--text-muted);
  margin-right: var(--space-md);
}

.label-text {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

/* ---------- Story Section ---------- */
.story {
  padding: var(--space-5xl) 0;
  border-top: 1px solid var(--border-subtle);
}

.story-grid {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: var(--space-3xl);
}

.story-label {
  display: flex;
  align-items: flex-start;
  padding-top: var(--space-xs);
}

.story-content {
  max-width: 700px;
}

.story-headline {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 400;
  line-height: 1.2;
  color: var(--text-primary);
  margin-bottom: var(--space-xl);
}

.story-text {
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
}

.story-text:last-of-type {
  margin-bottom: var(--space-2xl);
}

.story-visual {
  display: flex;
  gap: var(--space-lg);
  margin-top: var(--space-lg);
}

.visual-card {
  flex: 1;
  padding: var(--space-lg);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  text-align: center;
  backdrop-filter: blur(20px);
  transition: transform var(--transition-base), border-color var(--transition-base);
}

.visual-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-default);
}

.visual-icon {
  font-size: 1.5rem;
  color: var(--color-woolworths);
  margin-bottom: var(--space-md);
}

.visual-card:nth-child(2) .visual-icon {
  color: var(--color-paknsave);
}

.visual-card:nth-child(3) .visual-icon {
  color: var(--color-newworld);
}

.visual-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

/* ---------- Stats Section ---------- */
.stats {
  padding: var(--space-5xl) 0;
  border-top: 1px solid var(--border-subtle);
}

.stats-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-2xl);
}

.stats-label {
  display: flex;
  align-items: center;
}

.stats-timestamp {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.stats-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--space-xl);
}

.stat-block {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  backdrop-filter: blur(20px);
  position: relative;
  overflow: hidden;
  transition: border-color var(--transition-base), transform var(--transition-base);
}

.stat-block:hover {
  border-color: var(--border-default);
  transform: translateY(-2px);
}

.stat-header {
  margin-bottom: var(--space-lg);
}

.stat-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.stat-value {
  font-family: var(--font-mono);
  font-size: clamp(3rem, 8vw, 5rem);
  font-weight: 700;
  line-height: 1;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.value-unit {
  font-size: 0.4em;
  color: var(--text-secondary);
  margin-left: var(--space-xs);
}

.stat-value-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Mini Chart */
.stat-chart {
  margin-top: var(--space-xl);
  height: 60px;
}

.mini-chart {
  width: 100%;
  height: 100%;
}

.chart-line {
  fill: none;
  stroke: var(--color-woolworths);
  stroke-width: 2;
  stroke-linecap: round;
  opacity: 0.8;
}

.chart-fill {
  fill: url(#chartGradient);
  opacity: 0.15;
}

/* Donut Chart */
.donut-chart {
  width: 100px;
  height: 100px;
  flex-shrink: 0;
}

.donut-chart svg {
  transform: rotate(-90deg);
}

.donut-bg {
  fill: none;
  stroke: var(--bg-subtle);
  stroke-width: 8;
}

.donut-progress {
  fill: none;
  stroke: var(--color-paknsave);
  stroke-width: 8;
  stroke-linecap: round;
  transition: stroke-dasharray 1.5s var(--ease-out-expo);
}

/* ---------- Retailers Section ---------- */
.retailers {
  padding: var(--space-5xl) 0;
  border-top: 1px solid var(--border-subtle);
}

.retailers-header {
  margin-bottom: var(--space-2xl);
}

.retailers-label {
  display: flex;
  align-items: center;
}

.retailers-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.retailer-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  overflow: hidden;
  backdrop-filter: blur(20px);
  transition: transform var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
}

.retailer-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-default);
}

.retailer-accent {
  height: 3px;
  transition: height var(--transition-fast);
}

.retailer-card:hover .retailer-accent {
  height: 5px;
}

[data-retailer="woolworths"] .retailer-accent {
  background: var(--color-woolworths);
  box-shadow: 0 0 20px rgba(34, 197, 94, 0.4);
}

[data-retailer="paknsave"] .retailer-accent {
  background: var(--color-paknsave);
  box-shadow: 0 0 20px rgba(234, 179, 8, 0.4);
}

[data-retailer="newworld"] .retailer-accent {
  background: var(--color-newworld);
  box-shadow: 0 0 20px rgba(239, 68, 68, 0.4);
}

.retailer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-xl) var(--space-xl) var(--space-lg);
}

.retailer-name {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--text-primary);
}

.retailer-status {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-woolworths);
  animation: pulse 2s ease-in-out infinite;
}

.retailer-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  padding: 0 var(--space-xl) var(--space-xl);
}

.retailer-stat {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.retailer-value {
  font-family: var(--font-mono);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
}

.retailer-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.retailer-bar {
  height: 4px;
  background: var(--bg-subtle);
  margin: 0 var(--space-xl) var(--space-xl);
  border-radius: 2px;
  overflow: hidden;
}

.bar-fill {
  height: 100%;
  width: 0%;
  border-radius: 2px;
  transition: width 1.5s var(--ease-out-expo);
}

[data-retailer="woolworths"] .bar-fill {
  background: linear-gradient(90deg, var(--color-woolworths), rgba(34, 197, 94, 0.5));
}

[data-retailer="paknsave"] .bar-fill {
  background: linear-gradient(90deg, var(--color-paknsave), rgba(234, 179, 8, 0.5));
}

[data-retailer="newworld"] .bar-fill {
  background: linear-gradient(90deg, var(--color-newworld), rgba(239, 68, 68, 0.5));
}

/* Hover states for values */
[data-retailer="woolworths"]:hover .retailer-value {
  color: var(--color-woolworths);
}

[data-retailer="paknsave"]:hover .retailer-value {
  color: var(--color-paknsave);
}

[data-retailer="newworld"]:hover .retailer-value {
  color: var(--color-newworld);
}

/* ---------- Categories Section ---------- */
.categories {
  padding: var(--space-5xl) 0;
  border-top: 1px solid var(--border-subtle);
}

.categories-header {
  margin-bottom: var(--space-2xl);
}

.categories-label {
  display: flex;
  align-items: center;
}

.categories-chart {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.category-row {
  display: grid;
  grid-template-columns: 200px 1fr 100px;
  gap: var(--space-xl);
  align-items: center;
  padding: var(--space-md) var(--space-lg);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(20px);
  transition: border-color var(--transition-fast), background var(--transition-fast);
}

.category-row:hover {
  border-color: var(--border-default);
  background: var(--bg-elevated);
}

.category-name {
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.category-bar-wrapper {
  height: 8px;
  background: var(--bg-subtle);
  border-radius: 4px;
  overflow: hidden;
}

.category-bar {
  height: 100%;
  width: 0%;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--color-woolworths), var(--color-paknsave));
  transition: width 1s var(--ease-out-expo);
}

.category-count {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-align: right;
}

.category-placeholder {
  height: 56px;
  border-radius: var(--radius-lg);
}

/* ---------- Shimmer / Loading ---------- */
.shimmer {
  background: linear-gradient(
    90deg,
    var(--shimmer-base) 0%,
    var(--shimmer-highlight) 50%,
    var(--shimmer-base) 100%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s ease-in-out infinite;
  border-radius: var(--radius-sm);
  color: transparent !important;
  min-width: 60px;
  display: inline-block;
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.data-loaded .shimmer {
  animation: none;
  background: transparent;
  color: inherit !important;
  min-width: auto;
}

.data-loaded .category-placeholder {
  display: none;
}

/* ---------- Footer ---------- */
.footer {
  padding: var(--space-5xl) 0 var(--space-3xl);
  border-top: 1px solid var(--border-subtle);
  text-align: center;
}

.footer-content {
  margin-bottom: var(--space-2xl);
}

.footer-brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.footer-icon {
  color: var(--color-woolworths);
  font-size: 1.25rem;
}

.footer-title {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--text-primary);
}

.footer-attribution {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
}

.footer-attribution strong {
  color: var(--text-primary);
  font-weight: 600;
}

.footer-meta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.footer-decoration {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-lg);
}

.deco-line {
  width: 60px;
  height: 1px;
  background: var(--border-default);
}

.deco-year {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--text-muted);
}

/* ---------- Error Overlay ---------- */
.error-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-xl);
  background: var(--bg-base);
}

.error-overlay[hidden] {
  display: none;
}

.error-content {
  text-align: center;
  max-width: 400px;
}

.error-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--color-newworld);
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.2);
  border-radius: 50%;
}

.error-title {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 400;
  color: var(--text-primary);
  margin-bottom: var(--space-md);
}

.error-message {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-xl);
}

.error-button {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--bg-base);
  background: var(--text-primary);
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.error-button:hover {
  transform: scale(1.02);
  opacity: 0.9;
}

.button-arrow {
  transition: transform var(--transition-fast);
}

.error-button:hover .button-arrow {
  transform: translateX(4px);
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }

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

  .story-grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .story-label {
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--border-subtle);
    margin-bottom: var(--space-lg);
  }

  .story-visual {
    flex-direction: column;
  }
}

@media (max-width: 768px) {
  .main {
    padding: 0 var(--space-lg);
  }

  .nav {
    padding: var(--space-md) var(--space-lg);
  }

  .hero {
    min-height: auto;
    padding: var(--space-5xl) 0 var(--space-3xl);
  }

  .hero-scroll-hint {
    display: none;
  }

  .stat-value {
    font-size: 3rem;
  }

  .stat-value-row {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-lg);
  }

  .donut-chart {
    align-self: flex-start;
  }

  .category-row {
    grid-template-columns: 1fr auto;
    gap: var(--space-md);
  }

  .category-bar-wrapper {
    display: none;
  }
}

@media (max-width: 480px) {
  :root {
    font-size: 15px;
  }

  .hero-title {
    font-size: 2.5rem;
  }

  .retailer-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-sm);
  }

  .retailer-stats {
    grid-template-columns: 1fr;
  }
}

/* ---------- Reduced Motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .bg-grain,
  .bg-gradient,
  .status-indicator,
  .status-dot,
  .scroll-arrow {
    animation: none;
  }
}

/* ---------- Print ---------- */
@media print {
  .bg-canvas,
  .nav,
  .hero-scroll-hint {
    display: none;
  }

  body {
    background: white;
    color: black;
  }

  .stat-block,
  .retailer-card,
  .category-row,
  .visual-card {
    border: 1px solid #ddd;
    background: white;
  }
}

/* ---------- Scroll Animations ---------- */
.story,
.stats,
.retailers,
.categories {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s var(--ease-out-expo), transform 0.8s var(--ease-out-expo);
}

.story.visible,
.stats.visible,
.retailers.visible,
.categories.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered children */
.visible .visual-card,
.visible .stat-block,
.visible .retailer-card,
.visible .category-row {
  animation: fadeSlideUp 0.6s var(--ease-out-expo) both;
}

.visible .visual-card:nth-child(1),
.visible .stat-block:nth-child(1),
.visible .retailer-card:nth-child(1),
.visible .category-row:nth-child(1) { animation-delay: 0.1s; }

.visible .visual-card:nth-child(2),
.visible .stat-block:nth-child(2),
.visible .retailer-card:nth-child(2),
.visible .category-row:nth-child(2) { animation-delay: 0.2s; }

.visible .visual-card:nth-child(3),
.visible .stat-block:nth-child(3),
.visible .retailer-card:nth-child(3),
.visible .category-row:nth-child(3) { animation-delay: 0.3s; }

.visible .category-row:nth-child(4) { animation-delay: 0.4s; }
.visible .category-row:nth-child(5) { animation-delay: 0.5s; }