/* =========================================================
   SOLVAYA — CONCEPT C: THE ENEMY PORTRAIT
   Design system: bold, confrontational, investigative
   ========================================================= */

:root {
  /* Dark mode tokens (default) */
  --bg-base: #0A0E17;
  --bg-surface: #141A26;
  --bg-elevated: #1C2433;
  --bg-overlay: rgba(10, 14, 23, 0.85);
  --border-subtle: rgba(148, 163, 184, 0.08);
  --border-default: rgba(148, 163, 184, 0.15);
  --border-strong: rgba(148, 163, 184, 0.25);

  --text-primary: #F1F5F9;
  --text-secondary: #CBD5E1;
  --text-muted: #94A3B8;
  --text-faint: #64748B;

  --accent: #3B82F6;
  --accent-bright: #60A5FA;
  --accent-soft: rgba(59, 130, 246, 0.12);

  --danger: #EF4444;
  --danger-bright: #F87171;
  --danger-soft: rgba(239, 68, 68, 0.10);
  --danger-glow: rgba(239, 68, 68, 0.35);

  --success: #10B981;
  --success-bright: #34D399;
  --success-soft: rgba(16, 185, 129, 0.10);
  --success-glow: rgba(16, 185, 129, 0.35);

  --warn: #F59E0B;

  --grid-line: rgba(148, 163, 184, 0.05);

  --shadow-lg: 0 25px 50px -12px rgba(0, 0, 0, 0.6);
  --shadow-glow-danger: 0 0 60px -10px var(--danger-glow);
  --shadow-glow-success: 0 0 60px -10px var(--success-glow);
}

html.light {
  --bg-base: #FFFFFF;
  --bg-surface: #F8FAFC;
  --bg-elevated: #F1F5F9;
  --bg-overlay: rgba(255, 255, 255, 0.9);
  --border-subtle: rgba(15, 23, 42, 0.05);
  --border-default: rgba(15, 23, 42, 0.10);
  --border-strong: rgba(15, 23, 42, 0.20);

  --text-primary: #0F172A;
  --text-secondary: #334155;
  --text-muted: #64748B;
  --text-faint: #94A3B8;

  --accent-soft: rgba(59, 130, 246, 0.08);
  --danger-soft: rgba(239, 68, 68, 0.06);
  --success-soft: rgba(16, 185, 129, 0.06);

  --grid-line: rgba(15, 23, 42, 0.04);

  --shadow-lg: 0 25px 50px -12px rgba(15, 23, 42, 0.15);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-rendering: optimizeLegibility;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background-color: var(--bg-base);
  color: var(--text-primary);
  font-feature-settings: 'cv11', 'ss01', 'ss03';
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.6;
  overflow-x: hidden;
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* Subtle grid background for dark mode */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-line) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 0;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
}

html.light body::before {
  opacity: 0.5;
}

/* ===== TYPOGRAPHY ===== */
.font-display {
  font-family: 'Bebas Neue', 'Anton', 'Impact', sans-serif;
  letter-spacing: -0.01em;
  line-height: 0.9;
  font-weight: 400;
}

.font-mono {
  font-family: 'JetBrains Mono', 'Space Mono', 'Courier New', monospace;
  font-variant-numeric: tabular-nums;
}

.text-balance {
  text-wrap: balance;
}

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

/* ===== NAVIGATION ===== */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: var(--bg-overlay);
  border-bottom: 1px solid var(--border-subtle);
  transition: all 0.3s ease;
}

.site-nav.scrolled {
  border-bottom-color: var(--border-default);
  background: var(--bg-overlay);
}

.nav-link {
  position: relative;
  color: var(--text-muted);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  padding: 0.5rem 0.875rem;
  border-radius: 6px;
  transition: color 0.2s ease, background-color 0.2s ease;
}

.nav-link:hover {
  color: var(--text-primary);
  background-color: var(--border-subtle);
}

.nav-link.active {
  color: var(--text-primary);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0.875rem;
  right: 0.875rem;
  height: 2px;
  background: var(--accent);
  border-radius: 1px;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-weight: 600;
  font-size: 0.9375rem;
  letter-spacing: 0.01em;
  padding: 0.75rem 1.5rem;
  border-radius: 6px;
  transition: all 0.2s ease;
  cursor: pointer;
  border: 1px solid transparent;
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: white;
  box-shadow: 0 1px 0 0 rgba(255,255,255,0.1) inset, 0 0 0 1px var(--accent);
}

.btn-primary:hover {
  background: var(--accent-bright);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px -8px var(--accent), 0 1px 0 0 rgba(255,255,255,0.1) inset;
}

.btn-ghost {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--border-strong);
}

.btn-ghost:hover {
  background: var(--border-subtle);
  border-color: var(--text-muted);
}

.btn-danger {
  background: transparent;
  color: var(--danger-bright);
  border-color: var(--danger);
  position: relative;
  overflow: hidden;
}

.btn-danger::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--danger);
  opacity: 0;
  transition: opacity 0.2s ease;
  z-index: -1;
}

.btn-danger:hover {
  color: white;
}

.btn-danger:hover::before {
  opacity: 1;
}

.btn-large {
  padding: 1rem 2rem;
  font-size: 1rem;
}

/* ===== ENEMY PORTRAIT HERO ===== */
.enemy-logo {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100px;
  padding: 0 1.5rem;
  border: 1px solid var(--border-default);
  border-radius: 4px;
  background: var(--bg-surface);
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.75rem;
  letter-spacing: 0.02em;
  color: var(--text-faint);
  filter: grayscale(0.7);
  transition: all 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
  overflow: hidden;
}

.enemy-logo::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 0%, var(--danger-soft) 100%);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.enemy-logo:hover {
  filter: grayscale(0.2);
  border-color: var(--danger);
  transform: translateY(-2px);
}

.enemy-logo:hover::before {
  opacity: 1;
}

.commission-tag {
  position: absolute;
  top: -8px;
  right: -8px;
  background: var(--danger);
  color: white;
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.125rem;
  padding: 4px 10px;
  border-radius: 2px;
  box-shadow: 0 4px 12px -2px var(--danger-glow);
  z-index: 2;
  letter-spacing: 0.02em;
  transform: rotate(3deg);
}

.commission-tag::before {
  content: '';
  position: absolute;
  inset: 0;
  border: 1px dashed rgba(255, 255, 255, 0.4);
  margin: 2px;
  border-radius: 1px;
  pointer-events: none;
}

@keyframes pulse-danger {
  0%, 100% { box-shadow: 0 4px 12px -2px var(--danger-glow); }
  50% { box-shadow: 0 4px 20px 0 var(--danger-glow), 0 0 0 4px rgba(239, 68, 68, 0.15); }
}

.commission-tag.pulsing {
  animation: pulse-danger 2s ease-in-out infinite;
}

/* Hero glow effect */
.hero-glow {
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--danger-soft) 0%, transparent 60%);
  filter: blur(40px);
  pointer-events: none;
  z-index: 0;
}

.hero-glow.success {
  background: radial-gradient(circle, var(--success-soft) 0%, transparent 60%);
}

/* Big number reveal */
.reveal-num {
  display: inline-block;
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.reveal-num.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== CALCULATOR ===== */
.calculator {
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: 8px;
  padding: 2.5rem;
  position: relative;
  overflow: hidden;
}

.calculator::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--danger), var(--success), transparent);
  opacity: 0.6;
}

.calc-input {
  background: var(--bg-elevated);
  border: 1px solid var(--border-default);
  color: var(--text-primary);
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.125rem;
  font-weight: 500;
  padding: 1rem 1.25rem;
  width: 100%;
  border-radius: 6px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  font-variant-numeric: tabular-nums;
}

.calc-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.calc-input::-webkit-outer-spin-button,
.calc-input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.calc-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background: var(--bg-elevated);
  outline: none;
  border: 1px solid var(--border-default);
}

.calc-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  border: 3px solid var(--bg-base);
  box-shadow: 0 2px 8px -2px var(--accent);
  transition: transform 0.15s ease;
}

.calc-slider::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}

.calc-slider::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  border: 3px solid var(--bg-base);
  box-shadow: 0 2px 8px -2px var(--accent);
}

.calc-result {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 3rem;
  line-height: 1;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}

.calc-result.danger { color: var(--danger-bright); }
.calc-result.success { color: var(--success-bright); }

.calc-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-muted);
  font-weight: 600;
}

.calc-dismissive {
  font-size: 0.875rem;
  color: var(--text-muted);
  font-style: italic;
}

/* ===== COMPARISON SECTION ===== */
.comparison-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border: 1px solid var(--border-default);
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 1rem;
  background: var(--bg-surface);
  position: relative;
}

.comparison-cell {
  padding: 2rem 2.25rem;
  position: relative;
  min-height: 180px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.comparison-cell.ota {
  background: linear-gradient(135deg, var(--bg-surface) 0%, var(--danger-soft) 200%);
  border-right: 1px solid var(--border-default);
}

.comparison-cell.solvaya {
  background: linear-gradient(135deg, var(--bg-surface) 0%, var(--success-soft) 200%);
}

.comparison-cell.ota::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--danger-soft);
  opacity: 0;
  transition: opacity 0.6s ease;
  pointer-events: none;
}

.comparison-cell.solvaya::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--success-soft);
  opacity: 0;
  transition: opacity 0.6s ease;
  pointer-events: none;
}

.comparison-row.in-view .comparison-cell.ota::before {
  opacity: 0.3;
}

.comparison-row.in-view .comparison-cell.solvaya::before {
  opacity: 0.3;
}

@keyframes warn-pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

.comparison-row.in-view .comparison-cell.ota .vs-icon-wrap {
  animation: warn-pulse 2.5s ease-in-out infinite;
}

@keyframes green-glow {
  0%, 100% { box-shadow: 0 0 0 0 var(--success-glow); }
  50% { box-shadow: 0 0 0 6px transparent; }
}

.comparison-cell.solvaya .vs-icon-wrap {
  box-shadow: 0 0 0 0 var(--success-glow);
}

.comparison-row.in-view .comparison-cell.solvaya .vs-icon-wrap {
  animation: green-glow 2.5s ease-in-out infinite;
}

.vs-icon-wrap {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.vs-icon-wrap.x-mark {
  background: var(--danger-soft);
  border: 1px solid var(--danger);
  color: var(--danger-bright);
}

.vs-icon-wrap.check-mark {
  background: var(--success-soft);
  border: 1px solid var(--success);
  color: var(--success-bright);
}

.comparison-label {
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.comparison-label.ota {
  color: var(--danger-bright);
}

.comparison-label.solvaya {
  color: var(--success-bright);
}

.comparison-value {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.75rem;
  line-height: 1;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

.comparison-sub {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
  line-height: 1.5;
}

.comparison-divider {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  align-items: center;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border-default);
  margin-bottom: 1.5rem;
}

.comparison-divider-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-weight: 700;
  color: var(--text-muted);
}

/* Slide-in animations for comparison cells */
.comparison-cell {
  opacity: 0;
  transform: translateX(0);
  transition: opacity 0.7s cubic-bezier(0.2, 0.8, 0.2, 1), transform 0.7s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.comparison-cell.ota {
  transform: translateX(-30px);
}

.comparison-cell.solvaya {
  transform: translateX(30px);
  transition-delay: 0.1s;
}

.comparison-row.in-view .comparison-cell {
  opacity: 1;
  transform: translateX(0);
}

/* ===== RECEIPT CARD ===== */
.receipt {
  background: var(--bg-elevated);
  border: 1px solid var(--border-default);
  border-radius: 4px;
  padding: 1.5rem 1.75rem;
  font-family: 'JetBrains Mono', 'Space Mono', monospace;
  font-size: 0.8125rem;
  line-height: 1.7;
  position: relative;
  max-width: 360px;
  position: relative;
  overflow: hidden;
}

.receipt::before, .receipt::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  height: 12px;
  background: radial-gradient(circle at 6px 6px, var(--bg-base) 5px, transparent 5.5px);
  background-size: 12px 12px;
  background-repeat: repeat-x;
}

.receipt::before {
  top: -6px;
}

.receipt::after {
  bottom: -6px;
  transform: rotate(180deg);
}

.receipt-header {
  border-bottom: 1px dashed var(--border-strong);
  padding-bottom: 0.75rem;
  margin-bottom: 0.75rem;
}

.receipt-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.125rem;
  letter-spacing: 0.15em;
  color: var(--text-secondary);
  margin-bottom: 0.25rem;
}

.receipt-property {
  color: var(--text-muted);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
}

.receipt-line {
  display: flex;
  justify-content: space-between;
  color: var(--text-secondary);
  font-variant-numeric: tabular-nums;
}

.receipt-line.negative { color: var(--danger-bright); }
.receipt-line.muted { color: var(--text-muted); }
.receipt-line.positive { color: var(--success-bright); font-weight: 700; }

.receipt-divider {
  border-top: 1px dashed var(--border-strong);
  margin: 0.75rem 0;
}

.receipt-total {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.5rem;
  letter-spacing: 0.05em;
  color: var(--success-bright);
  padding-top: 0.5rem;
  border-top: 2px solid var(--success);
  margin-top: 0.5rem;
}

.receipt-stamp {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  color: var(--success);
  font-family: 'Bebas Neue', sans-serif;
  font-size: 0.875rem;
  letter-spacing: 0.2em;
  border: 2px solid var(--success);
  padding: 2px 8px;
  transform: rotate(-12deg);
  border-radius: 2px;
  opacity: 0.85;
}

/* ===== TIMELINE ===== */
.timeline-bar {
  position: relative;
  height: 56px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-default);
  border-radius: 4px;
  overflow: hidden;
  display: flex;
}

.timeline-segment {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1rem;
  letter-spacing: 0.05em;
  color: white;
  position: relative;
  transition: flex-basis 1s cubic-bezier(0.2, 0.8, 0.2, 1);
  min-width: 0;
}

.timeline-segment.ota-segment {
  background: linear-gradient(90deg, var(--danger) 0%, rgba(239, 68, 68, 0.6) 100%);
  text-shadow: 0 1px 2px rgba(0,0,0,0.3);
}

.timeline-segment.solvaya-segment {
  background: linear-gradient(90deg, rgba(16, 185, 129, 0.6) 0%, var(--success) 100%);
  text-shadow: 0 1px 2px rgba(0,0,0,0.3);
}

/* ===== STEP CARDS ===== */
.step-number {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 5rem;
  line-height: 0.85;
  color: var(--text-faint);
  letter-spacing: -0.02em;
}

.step-connector {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 2px;
  height: 100%;
  background: linear-gradient(180deg, transparent, var(--border-default) 20%, var(--border-default) 80%, transparent);
  z-index: 0;
}

/* ===== FAQ ===== */
details.faq-item {
  border: 1px solid var(--border-default);
  border-radius: 6px;
  background: var(--bg-surface);
  margin-bottom: 0.75rem;
  overflow: hidden;
  transition: border-color 0.2s ease;
}

details.faq-item[open] {
  border-color: var(--accent);
}

details.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 1.25rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  color: var(--text-primary);
  font-size: 1rem;
  user-select: none;
  transition: background-color 0.2s ease;
}

details.faq-item summary:hover {
  background: var(--border-subtle);
}

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

details.faq-item .faq-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: transform 0.3s cubic-bezier(0.2, 0.8, 0.2, 1), color 0.2s ease;
}

details.faq-item[open] .faq-icon {
  transform: rotate(45deg);
  color: var(--accent);
}

details.faq-item .faq-answer {
  padding: 0 1.5rem 1.5rem 1.5rem;
  color: var(--text-secondary);
  line-height: 1.7;
  border-top: 1px solid var(--border-subtle);
  padding-top: 1.25rem;
  margin-top: 0;
}

/* ===== TEAM CARD ===== */
.team-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: 8px;
  overflow: hidden;
  transition: transform 0.3s ease, border-color 0.3s ease;
}

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

.team-photo {
  width: 100%;
  aspect-ratio: 4/5;
  background: var(--bg-elevated);
  object-fit: cover;
  filter: grayscale(0.3) contrast(1.05);
  transition: filter 0.3s ease;
}

.team-card:hover .team-photo {
  filter: grayscale(0) contrast(1);
}

/* ===== SCROLL ANIMATIONS ===== */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.2, 0.8, 0.2, 1), transform 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.fade-up.in-view {
  opacity: 1;
  transform: translateY(0);
}

.fade-up.delay-1 { transition-delay: 0.1s; }
.fade-up.delay-2 { transition-delay: 0.2s; }
.fade-up.delay-3 { transition-delay: 0.3s; }
.fade-up.delay-4 { transition-delay: 0.4s; }

.scale-in {
  opacity: 0;
  transform: scale(0.95);
  transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.scale-in.in-view {
  opacity: 1;
  transform: scale(1);
}

/* ===== MARQUEE BANNER ===== */
.marquee {
  display: flex;
  overflow: hidden;
  user-select: none;
  gap: 3rem;
  mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent);
}

.marquee-track {
  display: flex;
  gap: 3rem;
  flex-shrink: 0;
  animation: marquee 40s linear infinite;
}

@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-100%); }
}

/* ===== DARK MODE TOGGLE ===== */
.theme-toggle {
  width: 40px;
  height: 40px;
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--border-default);
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s ease;
}

.theme-toggle:hover {
  background: var(--border-subtle);
  color: var(--text-primary);
  border-color: var(--border-strong);
}

/* ===== SELECTION ===== */
::selection {
  background: var(--accent);
  color: white;
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: var(--bg-base);
}

::-webkit-scrollbar-thumb {
  background: var(--bg-elevated);
  border-radius: 5px;
  border: 2px solid var(--bg-base);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--border-strong);
}

/* ===== STAMP / REDACTION EFFECT ===== */
.stamp {
  display: inline-block;
  font-family: 'Bebas Neue', sans-serif;
  letter-spacing: 0.2em;
  padding: 4px 12px;
  border: 2px solid;
  border-radius: 2px;
  text-transform: uppercase;
  font-size: 0.875rem;
  transform: rotate(-3deg);
}

.stamp-danger {
  color: var(--danger);
  border-color: var(--danger);
  background: var(--danger-soft);
}

.stamp-success {
  color: var(--success);
  border-color: var(--success);
  background: var(--success-soft);
}

/* ===== REDACTION BAR ===== */
.redact {
  position: relative;
  display: inline-block;
}

.redact::after {
  content: '';
  position: absolute;
  left: -2px;
  right: -2px;
  top: 0;
  bottom: 0;
  background: var(--text-primary);
  opacity: 0.95;
  mix-blend-mode: difference;
}

/* ===== UTILITIES ===== */
.divider-vertical {
  width: 1px;
  background: var(--border-default);
}

.text-danger { color: var(--danger-bright); }
.text-success { color: var(--success-bright); }
.text-muted { color: var(--text-muted); }
.text-accent { color: var(--accent-bright); }
.text-primary { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }

.bg-base { background-color: var(--bg-base); }
.bg-surface { background-color: var(--bg-surface); }
.bg-elevated { background-color: var(--bg-elevated); }

.border-default { border-color: var(--border-default); }
.border-subtle { border-color: var(--border-subtle); }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .comparison-row {
    grid-template-columns: 1fr;
  }

  .comparison-cell.ota {
    border-right: none;
    border-bottom: 1px solid var(--border-default);
  }

  .comparison-cell {
    min-height: 140px;
    padding: 1.5rem;
  }

  .calc-result {
    font-size: 2.25rem;
  }

  .calculator {
    padding: 1.5rem;
  }

  .timeline-segment {
    font-size: 0.75rem;
  }
}

@media (max-width: 640px) {
  .comparison-value {
    font-size: 1.375rem;
  }
}

/* ===== REDUCED MOTION ===== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}