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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

header {
    text-align: center;
    padding: 4rem 2rem 2rem;
    color: white;
}

header h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
}

main {
    flex: 1;
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 2rem;
}

.projects-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.project-tile {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    text-decoration: none;
    color: #333;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    position: relative;
    overflow: hidden;
}

.project-tile:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 20px rgba(0, 0, 0, 0.2);
}

.project-tile::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
}

.tile-content {
    position: relative;
}

.tile-content h2 {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
    color: #667eea;
}

.tile-content p {
    color: #666;
    margin-bottom: 1rem;
}

.arrow {
    position: absolute;
    right: 0;
    bottom: 0;
    font-size: 2rem;
    color: #667eea;
    transition: transform 0.3s ease;
}

.project-tile:hover .arrow {
    transform: translateX(5px);
}

footer {
    text-align: center;
    padding: 2rem;
    color: white;
    opacity: 0.8;
}

@media (max-width: 768px) {
    header h1 {
        font-size: 2rem;
    }
    
    .subtitle {
        font-size: 1rem;
    }
    
    .projects-container {
        grid-template-columns: 1fr;
    }
}