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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.container {
    max-width: 1200px;
    width: 100%;
    background: white;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    overflow: hidden;
}

header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 60px 40px;
    text-align: center;
}

header h1 {
    font-size: 3.5rem;
    margin-bottom: 10px;
    font-weight: 700;
}

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

main {
    padding: 60px 40px;
}

section {
    margin-bottom: 60px;
}

section:last-child {
    margin-bottom: 0;
}

h2 {
    font-size: 2rem;
    margin-bottom: 30px;
    color: #667eea;
}

.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.project-card {
    background: #f8f9fa;
    padding: 30px;
    border-radius: 12px;
    border-left: 4px solid #667eea;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.2);
}

.project-card h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: #333;
}

.project-card p {
    color: #666;
}

.about p {
    font-size: 1.1rem;
    color: #666;
    line-height: 1.8;
}

footer {
    background: #f8f9fa;
    padding: 30px 40px;
    text-align: center;
    color: #666;
    border-top: 1px solid #e9ecef;
}

@media (max-width: 768px) {
    header h1 {
        font-size: 2.5rem;
    }

    header {
        padding: 40px 20px;
    }

    main {
        padding: 40px 20px;
    }

    footer {
        padding: 20px;
    }

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