* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* Thème style GitHub dark */
:root {
  --bg-primary: #0d1117;
  --bg-secondary: #161b22;
  --bg-card: #161b22;
  --accent: #238636;
  --accent-hover: #2ea043;
  --text-primary: #e6edf3;
  --text-secondary: #8b949e;
  --border: #30363d;
  --border-hover: #8b949e;
  --success: #238636;
  --link: #58a6ff;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans", Helvetica, Arial, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.5;
  font-size: 14px;
  position: relative;
  overflow-x: hidden;
}

/* Bulles animées */
.bubbles-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.bubble {
  position: absolute;
  bottom: -100px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, rgba(88, 166, 255, 0.15), rgba(88, 166, 255, 0.05));
  border: 1px solid rgba(88, 166, 255, 0.1);
  animation: rise linear infinite;
}

@keyframes rise {
  0% {
    transform: translateY(0) translateX(0);
    opacity: 0;
  }
  10% {
    opacity: 1;
  }
  90% {
    opacity: 1;
  }
  100% {
    transform: translateY(-110vh) translateX(20px);
    opacity: 0;
  }
}

/* Header */
.header {
  position: sticky;
  top: 0;
  background: rgba(13, 17, 23, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  z-index: 100;
}

.header-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0.75rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  color: var(--text-primary);
}

.logo-icon {
  width: 28px;
  height: 28px;
  color: var(--accent);
}

.logo-text {
  font-size: 1.25rem;
  font-weight: 600;
}

.nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.5rem 1rem;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: 6px;
  transition: color 0.15s, background-color 0.15s;
}

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

.nav-link-github {
  color: var(--text-primary);
  background: var(--bg-secondary);
  border: 1px solid var(--border);
}

.nav-link-github:hover {
  border-color: var(--border-hover);
}

.nav-icon {
  width: 18px;
  height: 18px;
}

/* Main */
.main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  position: relative;
  z-index: 1;
}

/* Hero Section */
.hero {
  text-align: center;
  padding: 5rem 0 4rem;
  border-bottom: 1px solid var(--border);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.375rem 1rem;
  background: rgba(35, 134, 54, 0.15);
  border: 1px solid rgba(35, 134, 54, 0.4);
  border-radius: 2rem;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--success);
  margin-bottom: 1.5rem;
}

.badge-dot {
  width: 6px;
  height: 6px;
  background: var(--success);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 2rem;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.hero-version {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
}

.version-tag {
  padding: 0.25rem 0.75rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-primary);
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

.version-text {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  border-radius: 6px;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background-color 0.15s, border-color 0.15s, transform 0.1s;
  text-decoration: none;
  line-height: 1.25;
}

.btn:active {
  transform: scale(0.98);
}

.btn-icon {
  width: 18px;
  height: 18px;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: rgba(240, 246, 252, 0.1);
}

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

.btn-secondary {
  background: #21262d;
  color: #c9d1d9;
  border-color: var(--border);
}

.btn-secondary:hover {
  background: #30363d;
  border-color: var(--border-hover);
}

.btn-large {
  padding: 0.875rem 1.75rem;
  font-size: 1rem;
}

/* Section Title */
.section-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}

/* Features Section */
.features {
  padding: 4rem 0;
  border-bottom: 1px solid var(--border);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.25rem;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1.5rem;
  transition: border-color 0.2s;
}

.feature-card:hover {
  border-color: var(--border-hover);
}

.feature-icon-wrapper {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(35, 134, 54, 0.15);
  border-radius: 8px;
  margin-bottom: 1rem;
}

.feature-icon {
  width: 22px;
  height: 22px;
  color: var(--success);
}

.feature-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.feature-description {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* Download Section */
.download {
  padding: 4rem 0;
  border-bottom: 1px solid var(--border);
}

.download-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
}

.download-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border);
  background: rgba(35, 134, 54, 0.05);
}

.download-info {
  display: flex;
  flex-direction: column;
}

.download-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
}

.download-subtitle {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.download-badge {
  padding: 0.25rem 0.75rem;
  background: var(--accent);
  color: #fff;
  border-radius: 2rem;
  font-size: 0.75rem;
  font-weight: 600;
}

.download-content {
  padding: 1.5rem;
}

.download-description {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.download-platforms {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.platform-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.platform-icon {
  width: 20px;
  height: 20px;
  color: var(--text-primary);
}

.download-actions {
  display: flex;
  gap: 0.75rem;
  padding: 1.25rem 1.5rem;
  border-top: 1px solid var(--border);
  background: var(--bg-secondary);
}

/* CTA Section */
.cta {
  padding: 5rem 0;
}

.cta-content {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.cta-title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.cta-description {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  line-height: 1.6;
}

.cta-actions {
  display: flex;
  justify-content: center;
}

/* Footer */
.footer {
  border-top: 1px solid var(--border);
  background: var(--bg-primary);
  position: relative;
  z-index: 1;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.footer-links {
  display: flex;
  gap: 2rem;
}

.footer-link {
  color: var(--link);
  text-decoration: none;
  font-size: 0.875rem;
}

.footer-link:hover {
  text-decoration: underline;
}

.footer-copyright {
  color: var(--text-secondary);
  font-size: 0.75rem;
}

/* Responsive */
@media (max-width: 768px) {
  .header-content {
    flex-direction: column;
    gap: 1rem;
  }

  .nav {
    flex-wrap: wrap;
    justify-content: center;
  }

  .hero {
    padding: 3rem 0;
  }

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

  .hero-subtitle {
    font-size: 1rem;
  }

  .hero-actions {
    flex-direction: column;
  }

  .btn-large {
    width: 100%;
    justify-content: center;
  }

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

  .download-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }

  .download-actions {
    flex-direction: column;
  }

  .download-actions .btn {
    justify-content: center;
  }
}