/* ============================================
   Epitech Cobblemon — Charte inspirée de Superflux
   Sobre, performant, accessible.
   https://superflux.digital/notre-demarche/
   ============================================ */

:root {
  --font-sans: 'Outfit', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --transition: 0.2s ease;
}

/* Thème clair (défaut — sobre, style Superflux) */
[data-theme="light"],
:root {
  --bg-primary: #fafafa;
  --bg-secondary: #ffffff;
  --bg-card: #ffffff;
  --text-primary: #1a1a1a;
  --text-secondary: #5c5c5c;
  --accent: #0d9488;
  --accent-hover: #0f766e;
  --border: #e5e5e5;
  --focus-ring: 2px solid var(--accent);
}

/* Thème sombre */
[data-theme="dark"] {
  --bg-primary: #0f1419;
  --bg-secondary: #1a1f26;
  --bg-card: #242b33;
  --text-primary: #e6edf3;
  --text-secondary: #8b949e;
  --accent: #2ea043;
  --accent-hover: #3fb950;
  --border: #30363d;
}

/* Thème Pokémon */
[data-theme="pokemon"] {
  --bg-primary: #1a0a0a;
  --bg-secondary: #2d1515;
  --bg-card: #3d1f1f;
  --text-primary: #fff5e6;
  --text-secondary: #e6c9a8;
  --accent: #e6b800;
  --accent-hover: #ffcb05;
  --border: #5c4033;
}

/* Thème Epitech */
[data-theme="epitech"] {
  --bg-primary: #0a1410;
  --bg-secondary: #0f1f18;
  --bg-card: #142a20;
  --text-primary: #e8f5e9;
  --text-secondary: #a5d6a7;
  --accent: #00c853;
  --accent-hover: #00e676;
  --border: #2e7d32;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.65;
  min-height: 100vh;
  transition: background var(--transition), color var(--transition);
}

/* Skip links — accessibilité (style Superflux) */
.skip-links {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 8px 16px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  z-index: 9999;
  transform: translateY(-100%);
  transition: transform 0.2s;
}
.skip-links:focus-within {
  transform: translateY(0);
}
.skip-link {
  padding: 10px 16px;
  background: var(--accent);
  color: var(--bg-primary);
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: opacity 0.2s;
}
.skip-link:hover {
  opacity: 0.95;
}
.skip-link:focus {
  outline: var(--focus-ring);
  outline-offset: 2px;
}

/* Header — sobre, bordure fine */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  transition: background var(--transition), border-color var(--transition);
}

.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 600;
  font-size: 1.15rem;
  transition: color var(--transition);
}
.logo:hover {
  color: var(--accent);
}

.logo-icon {
  font-size: 1.35rem;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--text-primary);
}
.nav-toggle span {
  width: 22px;
  height: 2px;
  background: currentColor;
  border-radius: 1px;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}

.nav-list a {
  padding: 8px 14px;
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}
.nav-list a:hover {
  color: var(--accent);
  background: transparent;
}

.nav-theme {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: 12px;
  padding-left: 12px;
  border-left: 1px solid var(--border);
}

.theme-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.theme-switcher {
  display: flex;
  gap: 4px;
}
.theme-switcher button {
  width: 36px;
  height: 36px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 1rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.theme-switcher button:hover {
  border-color: var(--accent);
}
.theme-switcher button[aria-pressed="true"],
.theme-switcher button.active {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent);
}

/* Hero — titre long type Superflux, pas de gradient flashy */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 100px 24px 80px;
  background: var(--bg-primary);
}

.hero-bg {
  display: none;
}

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

.hero-badge {
  display: inline-block;
  padding: 6px 14px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.hero h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 400;
  letter-spacing: -0.01em;
  line-height: 1.35;
  margin-bottom: 20px;
  color: var(--text-primary);
}
.hero h1 strong {
  font-weight: 700;
}

.hero-desc {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 32px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

/* Boutons — plats, accent unique (sobre) */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), opacity var(--transition);
}
.btn:hover {
  opacity: 0.9;
}
.btn:focus-visible {
  outline: var(--focus-ring);
  outline-offset: 2px;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover {
  background: var(--accent-hover);
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border);
}
.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn-lg {
  padding: 14px 28px;
  font-size: 1rem;
}

/* Lien flèche type "Découvrez ... ›" */
.link-arrow {
  display: inline-block;
  margin-top: 12px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
  transition: color var(--transition);
}
.link-arrow:hover {
  color: var(--accent-hover);
}
.link-arrow:focus-visible {
  outline: var(--focus-ring);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

.hero-scroll {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  color: var(--text-secondary);
  font-size: 0.8rem;
}

.scroll-arrow {
  width: 20px;
  height: 20px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 100% { transform: rotate(45deg) translateY(0); }
  50% { transform: rotate(45deg) translateY(4px); }
}

/* Sections — espacement généreux */
.section {
  padding: 72px 24px;
  position: relative;
}

.container {
  max-width: 800px;
  margin: 0 auto;
}

.section-title {
  font-size: clamp(1.6rem, 3.5vw, 2.25rem);
  font-weight: 400;
  letter-spacing: -0.01em;
  margin-bottom: 12px;
  text-align: center;
  color: var(--text-primary);
}
.section-title strong {
  font-weight: 700;
}

.section-intro {
  text-align: center;
  color: var(--text-secondary);
  font-size: 1.05rem;
  max-width: 560px;
  margin: 0 auto 40px;
  line-height: 1.65;
}

/* Guide — timeline sobre, bordures fines */
.guide-section {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
}

.guide-timeline {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.guide-step {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 24px;
  align-items: start;
  padding: 28px 0;
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
}
.guide-step:hover {
  background: rgba(0, 0, 0, 0.02);
}
[data-theme="dark"] .guide-step:hover,
[data-theme="pokemon"] .guide-step:hover,
[data-theme="epitech"] .guide-step:hover {
  background: rgba(255, 255, 255, 0.03);
}
.guide-step:last-child {
  border-bottom: none;
}

.step-number {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.step-content h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-primary);
}
.step-content h3 strong {
  font-weight: 700;
}

.step-content p {
  color: var(--text-secondary);
  font-size: 0.98rem;
  line-height: 1.65;
}
.step-content kbd {
  font-family: var(--font-mono);
  font-size: 0.85em;
  padding: 2px 6px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 4px;
}

/* Mods grid — cartes sobres */
.mods-section {
  background: var(--bg-primary);
  border-top: 1px solid var(--border);
}

.mods-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

.mod-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: border-color var(--transition);
}
.mod-card:hover {
  border-color: var(--accent);
}

.mod-icon {
  font-size: 2rem;
  margin-bottom: 14px;
}

.mod-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.mod-card p {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.55;
}

/* Tips */
.tips-section {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
}

.tips-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.tip-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 22px;
  border-left: 3px solid var(--accent);
  transition: border-color var(--transition);
}
.tip-card:hover {
  border-left-color: var(--accent-hover);
}

.tip-card h4 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.tip-card p {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.55;
}

/* CTA section — baseline + titre style Superflux */
.cta-section {
  text-align: center;
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  padding: 64px 24px;
}
.cta-baseline {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: 12px;
}
.cta-section h2 {
  font-size: clamp(1.4rem, 2.5vw, 1.85rem);
  font-weight: 400;
  margin-bottom: 24px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 24px;
  line-height: 1.4;
}
.cta-section h2 strong {
  font-weight: 700;
}

/* Footer — multi-colonnes style Superflux */
.footer {
  padding: 40px 24px;
  border-top: 1px solid var(--border);
  background: var(--bg-secondary);
}

.footer .container {
  max-width: 1100px;
}

.footer-grid {
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 32px;
  align-items: start;
}

.footer-baseline {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.footer-brand p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
  text-align: right;
}
.footer-links a {
  font-size: 0.9rem;
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition);
}
.footer-links a:hover {
  color: var(--accent-hover);
}

/* Pages internes — en-tête et fil d’Ariane */
.page-content {
  padding-bottom: 64px;
}

.page-header {
  padding: 100px 24px 48px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
}

.page-breadcrumb {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 16px;
}
.page-breadcrumb a {
  color: var(--accent);
  text-decoration: none;
}
.page-breadcrumb a:hover {
  text-decoration: underline;
}

.page-header h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 400;
  letter-spacing: -0.01em;
  line-height: 1.3;
  margin-bottom: 16px;
  color: var(--text-primary);
}
.page-header h1 strong {
  font-weight: 700;
}

.page-intro {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.65;
  max-width: 720px;
}

/* Prose — contenu long (guide, mods, conseils) */
.prose {
  max-width: 720px;
  margin: 0 auto;
  padding: 48px 24px 0;
}

.prose-section {
  margin-bottom: 48px;
}

.prose-section:last-child {
  margin-bottom: 0;
}

.prose h2 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

.prose p {
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

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

.prose ul {
  margin: 16px 0 24px 1.25rem;
  padding-left: 0;
  list-style: disc;
}

.prose li {
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.prose a {
  color: var(--accent);
  text-decoration: none;
}
.prose a:hover {
  text-decoration: underline;
}

.prose kbd {
  font-family: var(--font-mono);
  font-size: 0.9em;
  padding: 2px 6px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 4px;
}

.prose .link-arrow {
  display: inline-block;
  margin-top: 8px;
}

/* Accueil — grille de pages */
.pages-preview {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
}

.pages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 24px;
}

.page-card {
  display: block;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  text-decoration: none;
  color: inherit;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.page-card:hover {
  border-color: var(--accent);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}

.page-card-icon {
  display: block;
  font-size: 2rem;
  margin-bottom: 16px;
}

.page-card h3 {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 10px;
}

.page-card p {
  font-size: 0.98rem;
  line-height: 1.6;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.page-card-link {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--accent);
  transition: color var(--transition);
}
.page-card:hover .page-card-link {
  color: var(--accent-hover);
}

/* Responsive */
@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .nav-list {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: 20px;
    gap: 4px;
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--transition), opacity var(--transition), visibility var(--transition);
  }
  .nav-list.is-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-theme {
    margin-left: 0;
    padding-left: 0;
    border-left: none;
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
  }

  .guide-step {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .hero-cta {
    flex-direction: column;
  }
  .btn {
    width: 100%;
    max-width: 280px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
    text-align: center;
  }
  .footer-links {
    text-align: center;
    flex-direction: row;
    justify-content: center;
    flex-wrap: wrap;
  }

  .page-header {
    padding: 80px 24px 36px;
  }

  .prose {
    padding: 36px 24px 0;
  }

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