:root {
  --primary-color: #2563eb;
  --secondary-color: #1e40af;
  --text-color: #1f2937;
  --bg-color: #f3f4f6;
  --card-bg: #ffffff;
  --accent-gradient: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  line-height: 1.6;
}

.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 40px 20px;
}

header {
  text-align: center;
  margin-bottom: 60px;
  animation: fadeInDown 0.8s ease-out;
}

h1 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 16px;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.subtitle {
  font-size: 1.2rem;
  color: #6b7280;
}

.card {
  background: var(--card-bg);
  border-radius: 20px;
  padding: 40px;
  margin-bottom: 30px;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.05), 0 8px 10px -6px rgba(0, 0, 0, 0.01);
  transition: transform 0.3s ease;
  animation: fadeInUp 0.8s ease-out;
}

.card:hover {
  transform: translateY(-5px);
}

h2 {
  font-size: 1.5rem;
  margin-bottom: 20px;
  color: var(--text-color);
  border-bottom: 2px solid #e5e7eb;
  padding-bottom: 10px;
}

.contact-email {
  font-size: 1.1rem;
  color: var(--primary-color);
  font-weight: 500;
  padding: 10px 0;
  display: inline-block;
}

a {
  color: var(--primary-color);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: var(--secondary-color);
}

footer {
  text-align: center;
  margin-top: 60px;
  color: #9ca3af;
  font-size: 0.9rem;
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 600px) {
  .container {
    padding: 20px;
  }
  
  h1 {
    font-size: 2rem;
  }
  
  .card {
    padding: 25px;
  }
}
