/* ==========================================================================
   1. Design System & CSS Variables
   ========================================================================== */
:root {
  /* Color Palette - Vibrant Digital Activity Theme */
  --color-bg-main: #0b0e14;
  --color-bg-card: #161f2e;
  --color-bg-card-hover: #1e293b;
  --color-bg-surface: #111827;
  
  --color-accent-primary: #00f0ff;
  --color-accent-secondary: #ff2e63;
  --color-accent-gold: #ffc107;
  --color-accent-green: #10b981;

  --color-text-main: #f8fafc;
  --color-text-muted: #94a3b8;
  --color-text-inverse: #0b0e14;

  --color-border: rgba(255, 255, 255, 0.1);
  --color-border-glow: rgba(0, 240, 255, 0.3);

  /* Typography */
  --font-family-base: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  --font-family-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  /* Layout & Spacing */
  --container-max-width: 1120px;
  --container-narrow-width: 760px;
  --border-radius-sm: 8px;
  --border-radius-md: 14px;
  --border-radius-lg: 22px;
  --border-radius-full: 9999px;

  /* Transition & Shadows */
  --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 25px rgba(0, 240, 255, 0.25);
  --shadow-gold: 0 0 25px rgba(255, 193, 7, 0.3);
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ==========================================================================
   2. Reset & Universal Styles
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-family: var(--font-family-base);
  background-color: var(--color-bg-main);
  color: var(--color-text-main);
  line-height: 1.5;
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  padding-bottom: 90px; /* Space for fixed bottom CTA */
}

/* Motion Pending State to avoid JS Loading Flicker */
.motion-pending .top-promo-bar,
.motion-pending .hero-content > *:not(.hero-visual),
.motion-pending .hero-visual,
.motion-pending .multiplier-chip {
  opacity: 0;
}

/* Layout Container */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 1.25rem;
}

.container--narrow {
  max-width: var(--container-narrow-width);
}

/* Typography Utilities */
h1, h2, h3, h4 {
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.text-gradient {
  background: linear-gradient(135deg, var(--color-accent-primary), #3b82f6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Phosphor Icon Base Overrides */
.ph, .ph-fill {
  font-size: 1.25rem;
  vertical-align: middle;
  display: inline-block;
}

/* ==========================================================================
   3. Component Styles
   ========================================================================== */

/* Top Promo Bar */
.top-promo-bar {
  background: linear-gradient(90deg, #1e1b4b, #311042, #1e1b4b);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding: 0.625rem 0;
  font-size: 0.875rem;
}

.top-promo-bar__container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  text-align: center;
  flex-wrap: wrap;
}

.top-promo-bar__icon {
  color: var(--color-accent-gold);
}

.top-promo-bar__badge {
  background: rgba(255, 193, 7, 0.15);
  color: var(--color-accent-gold);
  padding: 0.15rem 0.6rem;
  border-radius: var(--border-radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

/* Primary CTA Button */
.primary-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.625rem;
  background: linear-gradient(135deg, var(--color-accent-primary), #00a8ff);
  color: var(--color-text-inverse);
  font-weight: 800;
  font-size: 1.05rem;
  padding: 0.95rem 1.8rem;
  border-radius: var(--border-radius-full);
  border: none;
  cursor: pointer;
  text-decoration: none;
  box-shadow: var(--shadow-glow);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  width: 100%;
}

@media (min-width: 640px) {
  .primary-cta {
    width: auto;
  }
}

.primary-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 35px rgba(0, 240, 255, 0.45);
}

.primary-cta:active {
  transform: translateY(0);
}

.primary-cta--compact {
  padding: 0.65rem 1.25rem;
  font-size: 0.9rem;
}

/* User Code Card Component */
.user-code-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-glow);
  border-radius: var(--border-radius-md);
  padding: 0.85rem 1.15rem;
  display: flex;
  align-items: center;
  gap: 0.85rem;
  box-shadow: var(--shadow-card);
}

.user-code-card__icon {
  width: 42px;
  height: 42px;
  border-radius: var(--border-radius-sm);
  background: rgba(0, 240, 255, 0.1);
  color: var(--color-accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.user-code-card__icon .ph-fill {
  font-size: 1.5rem;
}

.user-code-card__details {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.user-code-card__label {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.user-code-card__code {
  font-family: var(--font-family-mono);
  font-size: 1.15rem;
  color: var(--color-accent-primary);
  letter-spacing: 0.08em;
  font-weight: 800;
}

.icon-button {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--color-border);
  color: var(--color-text-main);
  width: 38px;
  height: 38px;
  border-radius: var(--border-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background var(--transition-fast), border-color var(--transition-fast);
}

.icon-button:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: var(--color-accent-primary);
}

/* Content Images */
.content-image-frame {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.content-image-frame--hero,
.content-image-frame--wide {
  aspect-ratio: 4 / 3;
}

.content-image-frame--square {
  aspect-ratio: 1;
}

.content-image {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}


/* ==========================================================================
   4. Hero Section Styles
   ========================================================================== */
.hero-section {
  padding: 2.5rem 0 3.5rem;
  position: relative;
}

.hero-section__container {
  display: block;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

@media (min-width: 992px) {
  .hero-content {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    column-gap: 2.5rem;
    row-gap: 1.25rem;
    align-items: start;
  }

  .hero-content > * {
    grid-column: 1;
  }

  .hero-content > .hero-visual {
    grid-column: 2;
    grid-row: 1 / span 9;
    align-self: center;
  }
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(0, 240, 255, 0.1);
  color: var(--color-accent-primary);
  border: 1px solid rgba(0, 240, 255, 0.3);
  padding: 0.35rem 0.85rem;
  border-radius: var(--border-radius-full);
  font-size: 0.825rem;
  font-weight: 700;
  width: fit-content;
}

.hero-title {
  font-size: 2.25rem;
}

@media (min-width: 768px) {
  .hero-title {
    font-size: 3.25rem;
  }
}

.hero-subtitle {
  color: var(--color-text-muted);
  font-size: 1.05rem;
}

.supporting-note,
.user-code-note,
.cta-note,
.section-footnote,
.game-status {
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

.reward-callout {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.25rem 0.65rem;
  align-items: center;
  padding: 0.9rem 1rem;
  border: 1px solid rgba(255, 193, 7, 0.35);
  border-radius: var(--border-radius-md);
  background: rgba(255, 193, 7, 0.08);
}

.reward-callout .ph-fill {
  grid-row: span 2;
  color: var(--color-accent-gold);
  font-size: 1.65rem;
}

.reward-callout span {
  color: var(--color-text-muted);
  font-size: 0.8rem;
}

.hero-cta-wrapper {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.6rem;
}

.multiplier-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.multiplier-chip {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--color-border);
  padding: 0.35rem 0.75rem;
  border-radius: var(--border-radius-full);
  font-size: 0.8rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

.multiplier-chip--highlight {
  border-color: var(--color-accent-secondary);
  color: #ff6b8b;
}

.multiplier-chip--ultra {
  border-color: var(--color-accent-gold);
  color: var(--color-accent-gold);
  background: rgba(255, 193, 7, 0.1);
}

/* ==========================================================================
   5. Content Sections and Process
   ========================================================================== */
.benefits-section,
.activity-types-section,
.audience-section {
  padding: 4rem 0;
}

.benefits-section,
.audience-section {
  background: var(--color-bg-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.content-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  align-items: stretch;
}

@media (min-width: 900px) {
  .content-split {
    grid-template-columns: 1.2fr 0.8fr;
  }
}

.benefit-grid,
.activity-type-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

@media (min-width: 640px) {
  .benefit-grid,
  .activity-type-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 960px) {
  .activity-type-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.info-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.info-card > .ph-fill {
  color: var(--color-accent-primary);
  font-size: 1.55rem;
}

.info-card h3 {
  font-size: 1rem;
}

.info-card p {
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

.section-footnote,
.game-status {
  max-width: 760px;
  margin: 1.25rem auto 0;
  text-align: center;
}

.content-image-frame--wide {
  margin-top: 1.5rem;
}

.how-it-works {
  padding: 4rem 0;
  background: var(--color-bg-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.section-header {
  text-align: center;
  margin-bottom: 2.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.section-header__tag {
  color: var(--color-accent-primary);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.section-header__title {
  font-size: 1.85rem;
}

@media (min-width: 768px) {
  .section-header__title {
    font-size: 2.35rem;
  }
}

.section-header__desc {
  color: var(--color-text-muted);
  max-width: 580px;
}

.steps-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .steps-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.step-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  padding: 1.75rem;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.step-card__number {
  position: absolute;
  top: 1rem;
  right: 1.25rem;
  font-size: 2rem;
  font-weight: 900;
  color: rgba(255, 255, 255, 0.05);
  font-family: var(--font-family-mono);
}

.step-card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--border-radius-sm);
  background: rgba(0, 240, 255, 0.1);
  color: var(--color-accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.step-card__icon .ph-fill {
  font-size: 1.65rem;
}

.step-card__title {
  font-size: 1.2rem;
}

.step-card__desc {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

/* ==========================================================================
   6. 3D Card Game Flip Section
   ========================================================================== */
.card-game-section {
  padding: 4.5rem 0;
}

.mystery-card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  max-width: 860px;
  margin: 0 auto;
}

@media (min-width: 640px) {
  .mystery-card-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.mystery-card {
  position: relative;
  min-height: 220px;
  border: none;
  padding: 0;
  background: transparent;
  perspective: 1000px;
  cursor: pointer;
  outline: none;
}

.mystery-card:focus-visible .mystery-card__inner {
  box-shadow: 0 0 0 3px var(--color-accent-primary);
}

.mystery-card__inner {
  position: relative;
  display: block;
  width: 100%;
  height: 100%;
  min-height: 220px;
  transform-style: preserve-3d;
  border-radius: var(--border-radius-lg);
  transition: box-shadow var(--transition-fast);
}

.mystery-card:hover:not(:disabled) .mystery-card__inner {
  box-shadow: var(--shadow-glow);
}

.mystery-card__face {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  backface-visibility: hidden;
  border-radius: var(--border-radius-lg);
  padding: 1.25rem;
  border: 2px solid var(--color-border);
}

/* Card Back (Unflipped) */
.mystery-card__back {
  background: linear-gradient(145deg, #1b263b, #0f172a);
  border-color: rgba(0, 240, 255, 0.25);
  color: var(--color-text-main);
  gap: 0.75rem;
}

.mystery-card__icon {
  font-size: 3rem;
  color: var(--color-accent-primary);
}

.mystery-card__text {
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: 0.05em;
}

.mystery-card__badge {
  font-size: 0.75rem;
  background: rgba(0, 0, 0, 0.3);
  padding: 0.2rem 0.6rem;
  border-radius: var(--border-radius-full);
  color: var(--color-text-muted);
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

/* Card Front (Flipped Result) */
.mystery-card__front {
  background: linear-gradient(145deg, #1e1b4b, #311042);
  border-color: var(--color-accent-gold);
  transform: rotateY(180deg);
  gap: 0.5rem;
}

.mystery-card__result-icon {
  font-size: 2.25rem;
  color: var(--color-accent-gold);
}

.card-result-label {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
}

.card-result-value {
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--color-accent-gold);
  font-family: var(--font-family-mono);
}

/* Reward Result Box */
.reward-result {
  margin-top: 3rem;
  background: var(--color-bg-card);
  border: 2px solid var(--color-accent-gold);
  border-radius: var(--border-radius-lg);
  padding: 2rem 1.5rem;
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
  box-shadow: var(--shadow-gold);
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.reward-result[hidden] {
  display: none;
}

.reward-result__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: rgba(255, 193, 7, 0.15);
  color: var(--color-accent-gold);
  padding: 0.3rem 0.8rem;
  border-radius: var(--border-radius-full);
  font-size: 0.85rem;
  font-weight: 700;
}

.reward-result__title {
  font-size: 1.5rem;
  margin-top: 0.5rem;
}

.reward-result__multiplier-box {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.reward-result__multiplier {
  font-size: 4.5rem;
  font-weight: 900;
  line-height: 1;
  color: var(--color-accent-gold);
  font-family: var(--font-family-mono);
  text-shadow: 0 0 20px rgba(255, 193, 7, 0.4);
}

.reward-result__multiplier-label {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin-top: 0.25rem;
}

.result-example,
.result-disclaimer {
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

.result-info-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.6rem;
  text-align: left;
}

@media (min-width: 640px) {
  .result-info-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.result-info-grid span {
  padding: 0.75rem;
  border-radius: var(--border-radius-sm);
  border: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.04);
  color: var(--color-text-muted);
  font-size: 0.78rem;
}

.result-info-grid strong {
  display: block;
  margin-top: 0.2rem;
  color: var(--color-text-main);
}

.result-cta {
  align-self: center;
}

/* Copy Message Box Component */
.copy-message-box {
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  text-align: left;
}

.copy-message-box__label {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-accent-primary);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.copy-message-box__textarea {
  width: 100%;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  color: var(--color-text-main);
  font-family: var(--font-family-mono);
  font-size: 0.85rem;
  padding: 0.75rem;
  resize: none;
  outline: none;
}

.copy-button {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid var(--color-border);
  color: var(--color-text-main);
  font-weight: 700;
  padding: 0.75rem 1.25rem;
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: all var(--transition-fast);
}

.copy-button:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: var(--color-accent-primary);
}

.copy-button.is-success {
  background: rgba(16, 185, 129, 0.2);
  border-color: var(--color-accent-green);
  color: var(--color-accent-green);
}

/* ==========================================================================
   7. Multiplier Explanation Grid
   ========================================================================== */
.multiplier-explanation {
  padding: 3.5rem 0;
  background: var(--color-bg-surface);
  border-top: 1px solid var(--color-border);
}

.multiplier-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

@media (min-width: 640px) {
  .multiplier-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .multiplier-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.multiplier-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  padding: 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.multiplier-card--featured {
  border-color: rgba(255, 46, 99, 0.4);
}

.multiplier-card--ultra {
  border-color: rgba(255, 193, 7, 0.4);
}

.multiplier-card__val {
  font-size: 2rem;
  font-weight: 900;
  font-family: var(--font-family-mono);
  color: var(--color-accent-primary);
  min-width: 55px;
}

.multiplier-card--featured .multiplier-card__val {
  color: var(--color-accent-secondary);
}

.multiplier-card--ultra .multiplier-card__val {
  color: var(--color-accent-gold);
}

.multiplier-card__info h4 {
  font-size: 1rem;
}

.multiplier-card__info p {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* ==========================================================================
   8. Audience Section
   ========================================================================== */
.audience-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: 2rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: center;
}

@media (min-width: 992px) {
  .audience-card {
    grid-template-columns: 1fr 1fr;
    padding: 3rem;
  }
}

.audience-card__content {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.audience-card__tag {
  color: var(--color-accent-gold);
  font-size: 0.85rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.audience-card__title {
  font-size: 1.85rem;
}

.audience-card__desc {
  color: var(--color-text-muted);
}

.audience-card__features {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
}

.feature-item .ph-fill {
  color: var(--color-accent-green);
}

.condition-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.condition-tags span {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.45rem 0.75rem;
  border-radius: var(--border-radius-full);
  border: 1px solid var(--color-border-glow);
  color: var(--color-accent-primary);
  background: rgba(0, 240, 255, 0.06);
  font-size: 0.8rem;
  font-weight: 700;
}

/* ==========================================================================
   9. FAQ Section
   ========================================================================== */
.faq-section {
  padding: 4rem 0;
  background: var(--color-bg-surface);
  border-top: 1px solid var(--color-border);
}

.faq-accordion {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

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

.faq-item__trigger {
  padding: 1.15rem 1.25rem;
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  list-style: none;
}

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

.faq-item__icon {
  color: var(--color-accent-primary);
  transition: transform var(--transition-fast);
}

.faq-item[open] .faq-item__icon {
  transform: rotate(45deg);
}

.faq-item__content {
  padding: 0 1.25rem 1.25rem;
  color: var(--color-text-muted);
  font-size: 0.9rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  margin-top: 0.25rem;
  padding-top: 0.85rem;
}

/* ==========================================================================
   10. Sticky Bottom CTA & Footer
   ========================================================================== */
.sticky-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(11, 14, 20, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid var(--color-border);
  padding: 0.75rem 0;
  z-index: 100;
  box-shadow: 0 -5px 25px rgba(0, 0, 0, 0.5);
}

.sticky-cta__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.sticky-cta__info {
  display: flex;
  flex-direction: column;
}

.sticky-cta__label {
  font-size: 0.85rem;
  color: var(--color-text-main);
}

.sticky-cta__label strong {
  font-family: var(--font-family-mono);
  color: var(--color-accent-primary);
}

.sticky-cta__status {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

@media (max-width: 639px) {
  body {
    padding-bottom: 145px;
  }

  .sticky-cta__info,
  .sticky-cta .primary-cta {
    width: 100%;
  }
}

.site-footer {
  padding: 2.5rem 0;
  border-top: 1px solid var(--color-border);
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.site-footer__container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  text-align: center;
}

.site-footer__copy {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  max-width: 760px;
}

.site-footer__copy strong {
  color: var(--color-text-main);
  font-size: 0.95rem;
}

@media (min-width: 640px) {
  .site-footer__container {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

.site-footer__links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
}

.site-footer__links a {
  color: var(--color-text-muted);
  text-decoration: none;
}

.site-footer__links a:hover {
  color: var(--color-text-main);
}

/* ==========================================================================
   11. Age Confirmation Modal
   ========================================================================== */
body.modal-open {
  overflow: hidden;
}

.age-modal {
  position: fixed;
  inset: 0;
  z-index: 1100;
  display: grid;
  place-items: center;
  padding: 1.25rem;
  background: rgba(3, 7, 18, 0.78);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

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

.age-modal__panel {
  position: relative;
  width: min(100%, 460px);
  padding: 2.25rem 1.5rem 1.5rem;
  border: 1px solid var(--color-border-glow);
  border-radius: var(--border-radius-lg);
  background: linear-gradient(145deg, #182235, var(--color-bg-card));
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.65), var(--shadow-glow);
  text-align: center;
}

.age-modal__close {
  position: absolute;
  top: 0.85rem;
  right: 0.85rem;
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  color: var(--color-text-muted);
  cursor: pointer;
  transition: color var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast);
}

.age-modal__close:hover,
.age-modal__close:focus-visible {
  color: var(--color-text-main);
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--color-accent-primary);
}

.age-modal__icon {
  width: 58px;
  height: 58px;
  margin: 0 auto 1rem;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: rgba(0, 240, 255, 0.1);
  color: var(--color-accent-primary);
  box-shadow: var(--shadow-glow);
}

.age-modal__icon .ph-fill {
  font-size: 1.75rem;
}

.age-modal__eyebrow {
  margin-bottom: 0.45rem;
  color: var(--color-accent-primary);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.age-modal__title {
  font-size: clamp(1.45rem, 5vw, 1.9rem);
}

.age-modal__description {
  margin-top: 0.75rem;
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

.age-modal__feedback {
  margin-top: 1rem;
  padding: 0.7rem 0.85rem;
  border: 1px solid rgba(255, 193, 7, 0.35);
  border-radius: var(--border-radius-sm);
  background: rgba(255, 193, 7, 0.1);
  color: #fef08a;
  font-size: 0.875rem;
  font-weight: 700;
}

.age-modal__feedback[hidden] {
  display: none;
}

.age-modal__actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-top: 1.4rem;
}

.age-modal__actions .primary-cta {
  width: 100%;
}

.age-modal__no {
  width: 100%;
  padding: 0.95rem 1.4rem;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-full);
  background: rgba(255, 255, 255, 0.06);
  color: var(--color-text-main);
  font: inherit;
  font-weight: 800;
  cursor: pointer;
  transition: background var(--transition-fast), border-color var(--transition-fast);
}

.age-modal__no:hover,
.age-modal__no:focus-visible {
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--color-text-muted);
}

/* ==========================================================================
   12. Toast & Confetti Overlay Systems
   ========================================================================== */
.toast {
  position: fixed;
  top: 1.25rem;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-bg-card);
  border: 1px solid var(--color-accent-primary);
  color: var(--color-text-main);
  padding: 0.75rem 1.25rem;
  border-radius: var(--border-radius-full);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  z-index: 1000;
}

.toast[hidden] {
  display: none;
}

.toast--success {
  border-color: var(--color-accent-green);
  color: #a7f3d0;
}

.toast--warning {
  border-color: var(--color-accent-gold);
  color: #fef08a;
}

.confetti-container {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 999;
  overflow: hidden;
}

.confetti-piece {
  position: absolute;
  width: 10px;
  height: 10px;
  border-radius: 2px;
}

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

  .mystery-card__inner {
    transform-style: flat !important;
  }

  .mystery-card__front {
    transform: none !important;
  }
}