/* ==========================================================================
   Paul Vengeons .com — Design System
   Dark theme + Yellow #FEDF00 accents | Mobile-first | Modern
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. CSS CUSTOM PROPERTIES (Design Tokens)
   -------------------------------------------------------------------------- */
:root {
  /* Colors - Background */
  --color-bg: #0a0a0a;
  --color-surface: #111111;
  --color-card: #181818;
  --color-card-hover: #1e1e1e;
  --color-border: #252525;
  --color-border-light: #333333;

  /* Colors - Primary (Yellow) */
  --color-primary: #fedf00;
  --color-primary-light: #fff176;
  --color-primary-dark: #c9b100;
  --color-primary-glow: rgba(254, 223, 0, 0.15);
  --color-primary-glow-strong: rgba(254, 223, 0, 0.3);

  /* Colors - Accent */
  --color-accent: #ffe066;
  --color-accent-warm: #fbbf24;

  /* Colors - Text */
  --color-text: #f0f0f0;
  --color-text-secondary: #a0a0a0;
  --color-text-muted: #6b6b6b;
  --color-text-on-primary: #000000;

  /* Colors - Semantic */
  --color-success: #22c55e;
  --color-warning: #f59e0b;
  --color-error: #ef4444;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #fedf00 0%, #fbbf24 100%);
  --gradient-surface: linear-gradient(180deg, #111111 0%, #0a0a0a 100%);
  --gradient-card: linear-gradient(145deg, #1a1a1a 0%, #141414 100%);
  --gradient-hero: radial-gradient(ellipse at 50% 0%, rgba(254, 223, 0, 0.1) 0%, transparent 60%);
  --gradient-text: linear-gradient(135deg, #fedf00, #fbbf24);

  /* Typography */
  --font-display: 'Racing Sans One', cursive;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Font Sizes (fluid) */
  --text-xs: clamp(0.7rem, 0.65rem + 0.25vw, 0.8rem);
  --text-sm: clamp(0.8rem, 0.75rem + 0.25vw, 0.9rem);
  --text-base: clamp(0.95rem, 0.9rem + 0.25vw, 1.05rem);
  --text-lg: clamp(1.1rem, 1rem + 0.5vw, 1.25rem);
  --text-xl: clamp(1.25rem, 1.1rem + 0.75vw, 1.5rem);
  --text-2xl: clamp(1.5rem, 1.25rem + 1.25vw, 2rem);
  --text-3xl: clamp(1.8rem, 1.4rem + 2vw, 2.75rem);
  --text-4xl: clamp(2.2rem, 1.6rem + 3vw, 3.75rem);
  --text-5xl: clamp(2.5rem, 1.8rem + 3.5vw, 4.5rem);

  /* 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-section: clamp(4rem, 3rem + 5vw, 8rem);

  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 20px var(--color-primary-glow);
  --shadow-glow-strong: 0 0 40px var(--color-primary-glow-strong);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
  --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Layout */
  --container-max: 1200px;
  --container-narrow: 800px;
  --container-wide: 1400px;
  --header-height: 72px;

  /* Z-index */
  --z-header: 100;
  --z-overlay: 200;
  --z-modal: 300;
}

/* --------------------------------------------------------------------------
   2. RESET & BASE
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-padding-top: calc(var(--header-height) + 1rem);
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

a {
  color: var(--color-primary-light);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-accent);
}

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

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  line-height: 1.2;
  font-weight: 700;
  color: var(--color-text);
}

h1, h2 {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

h1 { font-size: var(--text-5xl); }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-2xl); font-weight: 600; }
h4 { font-size: var(--text-xl); font-weight: 600; }
h5 { font-size: var(--text-lg); font-weight: 600; }

p {
  color: var(--color-text-secondary);
  margin-bottom: 1rem;
}

p:last-child {
  margin-bottom: 0;
}

strong {
  color: var(--color-text);
  font-weight: 600;
}

::selection {
  background-color: var(--color-primary);
  color: white;
}

/* --------------------------------------------------------------------------
   3. UTILITY CLASSES
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

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

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

.section {
  padding: var(--space-section) 0;
}

.section--surface {
  background-color: var(--color-surface);
}

.text-gradient {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-center { text-align: center; }
.text-muted { color: var(--color-text-muted); }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* --------------------------------------------------------------------------
   4. HEADER & NAVIGATION
   -------------------------------------------------------------------------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  z-index: var(--z-header);
  background: rgba(9, 9, 15, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition-base), box-shadow var(--transition-base);
}

.header.scrolled {
  background: rgba(9, 9, 15, 0.95);
  box-shadow: var(--shadow-md);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-text);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 1px;
  white-space: nowrap;
  flex-shrink: 0;
}

.header__logo:hover {
  color: var(--color-primary-light);
}

.header__logo-icon {
  width: 36px;
  height: 36px;
  background: var(--gradient-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 700;
  color: white;
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav__link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  text-decoration: none;
  padding: var(--space-xs) 0;
  position: relative;
  transition: color var(--transition-fast);
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: 1px;
  transition: width var(--transition-base);
}

.nav__link:hover,
.nav__link.active {
  color: var(--color-text);
}

.nav__link:hover::after,
.nav__link.active::after {
  width: 100%;
}

.nav__cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
}

/* Language Selector */
.lang-selector {
  position: relative;
}

.lang-selector__btn {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  padding: 6px 10px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.lang-selector__btn:hover {
  color: var(--color-text);
  border-color: var(--color-border-light);
}

.lang-selector__dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-xs);
  min-width: 140px;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all var(--transition-fast);
}

.lang-selector.open .lang-selector__dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.lang-selector__option {
  display: block;
  width: 100%;
  text-align: left;
  padding: 8px 12px;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.lang-selector__option:hover {
  background: var(--color-primary-glow);
  color: var(--color-text);
}

.lang-selector__option.active {
  color: var(--color-primary-light);
}

/* Mobile Menu */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  padding: 4px 0;
}

.nav__toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.nav__toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav__toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav__toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (max-width: 768px) {
  .header__logo {
    font-size: var(--text-base);
  }

  .header__logo-icon {
    width: 32px;
    height: 32px;
    font-size: 0.95rem;
  }

  .nav__toggle {
    display: flex;
  }

  .nav__list {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100vw;
    height: calc(100vh - var(--header-height));
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: var(--space-xl);
    background: var(--color-bg);
    z-index: var(--z-overlay);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
  }

  .nav__list.open {
    opacity: 1;
    visibility: visible;
  }

  .nav__link {
    font-size: var(--text-xl);
  }
}

/* --------------------------------------------------------------------------
   5. BUTTONS
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  padding: 14px 32px;
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  text-decoration: none;
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn--primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: var(--shadow-glow);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow-strong);
  color: white;
}

.btn--outline {
  background: transparent;
  color: var(--color-primary-light);
  border: 1px solid var(--color-primary);
}

.btn--outline:hover {
  background: var(--color-primary-glow);
  color: var(--color-text);
  transform: translateY(-2px);
}

.btn--ghost {
  background: transparent;
  color: var(--color-text-secondary);
  padding: 10px 20px;
}

.btn--ghost:hover {
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.05);
}

.btn--lg {
  padding: 18px 40px;
  font-size: var(--text-base);
}

.btn--sm {
  padding: 10px 20px;
  font-size: var(--text-xs);
}

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

.btn:hover .btn__arrow {
  transform: translateX(4px);
}

/* --------------------------------------------------------------------------
   6. CARDS
   -------------------------------------------------------------------------- */
.card {
  background: var(--gradient-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: all var(--transition-base);
}

.card:hover {
  border-color: var(--color-border-light);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.card--glow:hover {
  border-color: rgba(254, 223, 0, 0.3);
  box-shadow: var(--shadow-glow);
}

.card__icon {
  width: 48px;
  height: 48px;
  background: var(--color-primary-glow);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-lg);
  font-size: 1.4rem;
}

.card__title {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.card__text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* --------------------------------------------------------------------------
   7. HERO SECTION
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--header-height);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-hero);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(254, 223, 0, 0.06) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  animation: float 8s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-30px) rotate(5deg); }
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 720px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-primary-light);
  background: var(--color-primary-glow);
  border: 1px solid rgba(254, 223, 0, 0.2);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-xl);
  text-transform: uppercase;
  letter-spacing: 1px;
}

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

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

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

.hero__subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2xl);
  max-width: 560px;
  line-height: 1.8;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-bottom: var(--space-3xl);
}

.hero__stats {
  display: flex;
  gap: var(--space-3xl);
}

.hero__stat {
  text-align: left;
}

.hero__stat-number {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  color: var(--color-text);
  display: block;
}

.hero__stat-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

@media (max-width: 640px) {
  .hero__stats {
    gap: var(--space-xl);
    flex-wrap: wrap;
  }

  .hero__actions {
    flex-direction: column;
  }

  .hero__actions .btn {
    width: 100%;
  }
}

/* --------------------------------------------------------------------------
   8. SECTION HEADERS
   -------------------------------------------------------------------------- */
.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto var(--space-3xl);
}

.section-header__label {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-primary-light);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: var(--space-md);
}

.section-header__title {
  margin-bottom: var(--space-md);
}

.section-header__text {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
}

/* --------------------------------------------------------------------------
   9. GRID LAYOUTS
   -------------------------------------------------------------------------- */
.grid {
  display: grid;
  gap: var(--space-xl);
}

.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 1024px) {
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .grid--2,
  .grid--3,
  .grid--4 { grid-template-columns: 1fr; }
}

/* --------------------------------------------------------------------------
   10. CITY PAGE — TOP 10 LIST
   -------------------------------------------------------------------------- */
.ranking-list {
  counter-reset: ranking;
}

.ranking-item {
  counter-increment: ranking;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: var(--space-xl);
  align-items: start;
  padding: var(--space-xl);
  background: var(--gradient-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-lg);
  transition: all var(--transition-base);
}

.ranking-item:hover {
  border-color: var(--color-border-light);
  box-shadow: var(--shadow-md);
}

.ranking-item__rank {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  color: var(--color-primary);
  line-height: 1;
  min-width: 48px;
}

.ranking-item__rank::before {
  content: '#' counter(ranking);
}

.ranking-item__info {
  flex: 1;
}

.ranking-item__name {
  font-size: var(--text-xl);
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.ranking-item__tagline {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}

.ranking-item__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.ranking-tag {
  font-size: var(--text-xs);
  color: var(--color-primary-light);
  background: var(--color-primary-glow);
  padding: 4px 12px;
  border-radius: var(--radius-full);
}

.ranking-item__score {
  text-align: center;
}

.ranking-item__score-value {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  color: var(--color-success);
  display: block;
}

.ranking-item__score-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

@media (max-width: 640px) {
  .ranking-item {
    grid-template-columns: auto 1fr;
  }

  .ranking-item__score {
    grid-column: 1 / -1;
    text-align: left;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
  }
}

/* --------------------------------------------------------------------------
   11. QUIZ
   -------------------------------------------------------------------------- */
.quiz {
  background: var(--gradient-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-3xl);
  position: relative;
  overflow: hidden;
}

.quiz::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
}

.quiz__progress {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-2xl);
}

.quiz__progress-step {
  flex: 1;
  height: 4px;
  background: var(--color-border);
  border-radius: 2px;
  transition: background var(--transition-base);
}

.quiz__progress-step.active {
  background: var(--gradient-primary);
}

.quiz__question {
  font-size: var(--text-xl);
  font-weight: 600;
  margin-bottom: var(--space-xl);
}

.quiz__options {
  display: grid;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.quiz__option {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  text-align: left;
  width: 100%;
}

.quiz__option:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-glow);
  color: var(--color-text);
}

.quiz__option.selected {
  border-color: var(--color-primary);
  background: var(--color-primary-glow);
  color: var(--color-text);
}

.quiz__option-indicator {
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-border-light);
  border-radius: 50%;
  flex-shrink: 0;
  transition: all var(--transition-fast);
}

.quiz__option.selected .quiz__option-indicator {
  border-color: var(--color-primary);
  background: var(--color-primary);
  box-shadow: inset 0 0 0 3px var(--color-card);
}

.quiz__nav {
  display: flex;
  justify-content: space-between;
}

.quiz__result {
  text-align: center;
  display: none;
}

.quiz__result.active {
  display: block;
}

.quiz__result-title {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-md);
}

/* --------------------------------------------------------------------------
   12. FAQ ACCORDION
   -------------------------------------------------------------------------- */
.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq-item:hover {
  border-color: var(--color-border-light);
}

.faq-item__question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  padding: var(--space-lg) var(--space-xl);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
  text-align: left;
  background: var(--color-card);
  transition: background var(--transition-fast);
}

.faq-item__question:hover {
  background: var(--color-card-hover);
}

.faq-item__icon {
  font-size: 1.2rem;
  color: var(--color-primary-light);
  transition: transform var(--transition-base);
  flex-shrink: 0;
  margin-left: var(--space-md);
}

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

.faq-item__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}

.faq-item.open .faq-item__answer {
  max-height: 500px;
}

.faq-item__answer-inner {
  padding: 0 var(--space-xl) var(--space-xl);
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  line-height: 1.8;
}

/* --------------------------------------------------------------------------
   13. FORMS
   -------------------------------------------------------------------------- */
.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: var(--space-sm);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 14px 18px;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  outline: none;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-glow);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-text-muted);
}

.form-textarea {
  min-height: 140px;
  resize: vertical;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}

@media (max-width: 640px) {
  .form-row {
    grid-template-columns: 1fr;
  }
}

.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  cursor: pointer;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.5;
}

.form-checkbox input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.form-checkbox__mark {
  width: 20px;
  height: 20px;
  min-width: 20px;
  border: 2px solid var(--color-border-light);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  margin-top: 1px;
}

.form-checkbox input:checked + .form-checkbox__mark {
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.form-checkbox input:checked + .form-checkbox__mark::after {
  content: '';
  width: 6px;
  height: 10px;
  border: solid var(--color-text-on-primary);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
  margin-top: -2px;
}

.form-checkbox input:focus-visible + .form-checkbox__mark {
  box-shadow: 0 0 0 3px var(--color-primary-glow);
}

.form-status {
  margin-top: var(--space-lg);
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  text-align: center;
}

.form-status--success {
  background: rgba(34, 197, 94, 0.1);
  border: 1px solid rgba(34, 197, 94, 0.3);
  color: var(--color-success);
}

.form-status--error {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: var(--color-error);
}

.btn--loading {
  pointer-events: none;
  opacity: 0.7;
}

/* --------------------------------------------------------------------------
   14. FOOTER
   -------------------------------------------------------------------------- */
.footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: var(--space-3xl) 0 var(--space-xl);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-3xl);
  margin-bottom: var(--space-3xl);
}

.footer__brand {
  max-width: 300px;
}

.footer__logo {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-text);
  text-transform: uppercase;
  letter-spacing: 1px;
  display: block;
  margin-bottom: var(--space-md);
  text-decoration: none;
}

.footer__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.8;
}

.footer__heading {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: var(--space-lg);
}

.footer__links li {
  margin-bottom: var(--space-sm);
}

.footer__links a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

.footer__links a:hover {
  color: var(--color-primary-light);
}

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-border);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.footer__social {
  display: flex;
  gap: var(--space-md);
}

.footer__social a {
  color: var(--color-text-muted);
  font-size: 1.2rem;
  transition: color var(--transition-fast);
}

.footer__social a:hover {
  color: var(--color-primary-light);
}

@media (max-width: 768px) {
  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
  }

  .footer__brand {
    grid-column: 1 / -1;
    max-width: 100%;
  }

  .footer__bottom {
    flex-direction: column;
    gap: var(--space-md);
    text-align: center;
  }
}

/* --------------------------------------------------------------------------
   15. HOMEPAGE — SERVICES GRID
   -------------------------------------------------------------------------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

@media (max-width: 768px) {
  .services-grid {
    grid-template-columns: 1fr;
  }
}

/* --------------------------------------------------------------------------
   16. HOMEPAGE — CITIES CTA
   -------------------------------------------------------------------------- */
.cities-cta {
  background: var(--gradient-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-3xl);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cities-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 0%, rgba(254, 223, 0, 0.08) 0%, transparent 50%);
  pointer-events: none;
}

.cities-cta__list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-sm);
  margin-top: var(--space-xl);
}

.city-tag {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: 8px 18px;
  border-radius: var(--radius-full);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.city-tag:hover {
  border-color: var(--color-primary);
  color: var(--color-primary-light);
  background: var(--color-primary-glow);
}

/* --------------------------------------------------------------------------
   17. HOMEPAGE — CHATSEO PROMO
   -------------------------------------------------------------------------- */
.chatseo-promo {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.chatseo-promo__visual {
  background: var(--gradient-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  position: relative;
  overflow: hidden;
}

.chatseo-promo__visual::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
}

.chatseo-promo__mockup {
  background: var(--color-bg);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.8;
}

.chatseo-promo__mockup .prompt {
  color: var(--color-primary-light);
}

.chatseo-promo__mockup .response {
  color: var(--color-text-secondary);
  margin-top: var(--space-md);
}

@media (max-width: 768px) {
  .chatseo-promo {
    grid-template-columns: 1fr;
  }
}

/* --------------------------------------------------------------------------
   18. CONTACT PAGE
   -------------------------------------------------------------------------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: start;
}

.contact-info__item {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.contact-info__icon {
  width: 44px;
  height: 44px;
  background: var(--color-primary-glow);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--color-primary-light);
}

.contact-info__label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.contact-info__value {
  font-size: var(--text-base);
  color: var(--color-text);
  font-weight: 500;
}

@media (max-width: 768px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

/* --------------------------------------------------------------------------
   19. CHATSEO PAGE
   -------------------------------------------------------------------------- */
.feature-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl);
}

.feature-list__item {
  display: flex;
  gap: var(--space-md);
  align-items: start;
}

.feature-list__icon {
  width: 40px;
  height: 40px;
  background: var(--color-primary-glow);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.1rem;
}

.feature-list__title {
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.feature-list__text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

@media (max-width: 640px) {
  .feature-list {
    grid-template-columns: 1fr;
  }
}

/* --------------------------------------------------------------------------
   20. CITY PAGE HERO
   -------------------------------------------------------------------------- */
.city-hero {
  background: var(--color-surface);
  padding: calc(var(--header-height) + var(--space-3xl)) 0 var(--space-3xl);
  position: relative;
  overflow: hidden;
}

.city-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-hero);
  pointer-events: none;
}

.city-hero__breadcrumb {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-lg);
  position: relative;
  z-index: 1;
}

.city-hero__breadcrumb a {
  color: var(--color-text-muted);
}

.city-hero__breadcrumb a:hover {
  color: var(--color-primary-light);
}

.city-hero__breadcrumb span {
  margin: 0 var(--space-sm);
  opacity: 0.5;
}

.city-hero__content {
  position: relative;
  z-index: 1;
  max-width: 700px;
}

.city-hero__updated {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-md);
}

/* --------------------------------------------------------------------------
   21. ANIMATIONS (subtle, performant)
   -------------------------------------------------------------------------- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-in {
  opacity: 0;
  animation: fadeInUp 0.6s ease forwards;
}

.animate-in:nth-child(1) { animation-delay: 0ms; }
.animate-in:nth-child(2) { animation-delay: 100ms; }
.animate-in:nth-child(3) { animation-delay: 200ms; }
.animate-in:nth-child(4) { animation-delay: 300ms; }
.animate-in:nth-child(5) { animation-delay: 400ms; }
.animate-in:nth-child(6) { animation-delay: 500ms; }

/* Intersection Observer animation */
[data-animate] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-animate].visible {
  opacity: 1;
  transform: translateY(0);
}

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

  html {
    scroll-behavior: auto;
  }
}

/* --------------------------------------------------------------------------
   22. CTA BANNER
   -------------------------------------------------------------------------- */
.cta-banner {
  background: var(--gradient-primary);
  border-radius: var(--radius-xl);
  padding: var(--space-3xl);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -25%;
  width: 400px;
  height: 400px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 50%;
  pointer-events: none;
}

.cta-banner h2 {
  color: white;
  margin-bottom: var(--space-md);
}

.cta-banner p {
  color: rgba(255, 255, 255, 0.8);
  max-width: 500px;
  margin: 0 auto var(--space-xl);
}

.cta-banner .btn {
  background: white;
  color: var(--color-primary-dark);
}

.cta-banner .btn:hover {
  background: rgba(255, 255, 255, 0.9);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

/* --------------------------------------------------------------------------
   23. LOCAL GUIDE SECTION
   -------------------------------------------------------------------------- */
.guide-section {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  margin-bottom: var(--space-xl);
}

.guide-section h3 {
  margin-bottom: var(--space-lg);
}

.guide-section ul {
  list-style: none;
  padding: 0;
}

.guide-section ul li {
  padding: var(--space-sm) 0;
  color: var(--color-text-secondary);
  display: flex;
  gap: var(--space-md);
  align-items: start;
}

.guide-section ul li::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--color-primary);
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 10px;
}

/* --------------------------------------------------------------------------
   24. ABOUT PAGE
   -------------------------------------------------------------------------- */
.about-hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

@media (max-width: 768px) {
  .about-hero {
    grid-template-columns: 1fr;
  }
}

/* --------------------------------------------------------------------------
   25. PRINT
   -------------------------------------------------------------------------- */
@media print {
  .header, .footer, .btn, .quiz, .nav {
    display: none;
  }

  body {
    background: white;
    color: black;
  }
}