:root {
  --primary-color: #3674B5;
  --primary-dark: #578FCA;
  --primary-light: #F5F0CD;
  --accent-color: #FADA7A;
  --bg-light: #FFFBF5;
  --card-bg: #FFFFFF;
  --text-dark: #1f1f1f;
  --text-gray: #666666;
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.08);
  --border-radius: 12px;
}

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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: var(--bg-light);
  color: var(--text-dark);
  padding: 2rem;
}

header {
  text-align: center;
  margin-bottom: 2rem;
}

header h1 {
  font-size: 2.5rem;
  color: var(--primary-color);
}

.subtitle {
  font-size: 1.1rem;
  color: var(--text-gray);
  max-width: 800px;
  margin: 5px auto;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.card {
  background-color: var(--card-bg);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: transform 0.2s ease;
}

.card:hover {
  transform: translateY(-5px);
}

.card-img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.card-content {
  padding: 1rem;
  text-align: center;
}

.card-content h2 {
  margin-bottom: 1rem;
  font-size: 1.2rem;
  color: var(--primary-dark);
}

.links a {
  display: inline-block;
  margin: 0 0.5rem;
  padding: 0.4rem 1rem;
  border-radius: 6px;
  text-decoration: none;
  background-color: var(--primary-color);
  color: white;
  font-size: 0.9rem;
  transition: background 0.3s;
}

.links a:hover {
  background-color: var(--primary-dark);
}

footer {
  text-align: center;
  margin-top: 4rem;
  font-size: 0.9rem;
  color: var(--text-gray);
}