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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: #0d1117;
  color: #f0f6fc;
  line-height: 1.6;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Navigation */
.navbar {
  background: #161b22;
  border-bottom: 1px solid #30363d;
  padding: 16px 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 20px;
  font-weight: 600;
  color: #58a6ff;
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-img {
  width: 32px;
  height: 32px;
  border-radius: 6px;
}

.nav-links {
  display: flex;
  gap: 32px;
}

.nav-links a {
  color: #f0f6fc;
  text-decoration: none;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: #58a6ff;
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, #0d1117 0%, #161b22 100%);
  padding: 80px 0;
  text-align: center;
  border-bottom: 1px solid #30363d;
}

.hero-logo {
  margin-bottom: 24px;
}

.hero-logo-img {
  width: 80px;
  height: 80px;
  border-radius: 12px;
  box-shadow: 0 4px 16px rgba(88, 166, 255, 0.3);
}

.hero h1 {
  font-size: 48px;
  font-weight: 700;
  margin-bottom: 16px;
  background: linear-gradient(135deg, #58a6ff, #79c0ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 20px;
  color: #8b949e;
  margin-bottom: 32px;
}

.hero-cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-primary {
  background: #238636;
  color: white;
  border: none;
  padding: 12px 24px;
  border-radius: 6px;
  font-size: 16px;
  cursor: pointer;
  transition: background 0.2s;
}

.btn-primary:hover {
  background: #2ea043;
}

.btn-secondary {
  background: transparent;
  color: #f0f6fc;
  border: 1px solid #30363d;
  padding: 12px 24px;
  border-radius: 6px;
  font-size: 16px;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-secondary:hover {
  background: #21262d;
  border-color: #58a6ff;
}

/* Sections */
.section {
  padding: 64px 0;
  border-bottom: 1px solid #21262d;
}

.section h2 {
  font-size: 32px;
  margin-bottom: 16px;
  color: #f0f6fc;
}

.section p {
  font-size: 18px;
  color: #8b949e;
  margin-bottom: 32px;
  max-width: 800px;
}

/* Stats */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 32px;
  margin-top: 48px;
}

.stat {
  text-align: center;
  padding: 24px;
  background: #161b22;
  border-radius: 8px;
  border: 1px solid #30363d;
}

.stat h3 {
  font-size: 36px;
  color: #58a6ff;
  margin-bottom: 8px;
}

.stat p {
  color: #8b949e;
  margin: 0;
}

/* Tools Grid */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 32px;
}

.tool-card {
  background: #161b22;
  border: 1px solid #30363d;
  border-radius: 8px;
  padding: 24px;
  transition: all 0.2s;
}

.tool-card:hover {
  border-color: #58a6ff;
  transform: translateY(-2px);
}

.tool-card h3 {
  color: #f0f6fc;
  margin-bottom: 12px;
  font-size: 20px;
}

.tool-card p {
  color: #8b949e;
  margin-bottom: 16px;
  font-size: 16px;
}

.card-link {
  color: #58a6ff;
  text-decoration: none;
  font-weight: 500;
}

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

/* Contact */
.contact-info {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 32px;
  margin-top: 32px;
}

.contact-item {
  background: #161b22;
  padding: 24px;
  border-radius: 8px;
  border: 1px solid #30363d;
}

.contact-item h4 {
  color: #f0f6fc;
  margin-bottom: 8px;
  font-size: 18px;
}

.contact-item p {
  color: #58a6ff;
  margin: 0;
  font-size: 16px;
}

/* Footer */
footer {
  background: #0d1117;
  padding: 32px 0;
  text-align: center;
  color: #8b949e;
  border-top: 1px solid #21262d;
}

/* Responsive */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 36px;
  }

  .hero-subtitle {
    font-size: 18px;
  }

  .nav-links {
    gap: 16px;
  }

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

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