/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

/* Header styles */
header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

header h1 {
    text-align: center;
    color: #4a5568;
    margin-bottom: 1rem;
    font-size: 2.5rem;
}

nav ul {
    display: flex;
    justify-content: center;
    list-style: none;
    gap: 2rem;
}

nav a {
    text-decoration: none;
    color: #4a5568;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 25px;
    transition: all 0.3s ease;
}

nav a:hover {
    background: #667eea;
    color: white;
    transform: translateY(-2px);
}

/* Main content */
main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

section {
    background: rgba(255, 255, 255, 0.9);
    margin: 2rem 0;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
}

h2 {
    color: #4a5568;
    margin-bottom: 1rem;
    font-size: 2rem;
    text-align: center;
}

p {
    margin-bottom: 1rem;
    font-size: 1.1rem;
    text-align: center;
}

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

.project-card {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    padding: 2rem;
    border-radius: 15px;
    color: white;
    text-align: center;
    transform: translateY(0);
    transition: transform 0.3s ease;
}

.project-card:hover {
    transform: translateY(-10px);
}

.project-card h3 {
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.project-card p {
    margin: 0;
}

/* Footer */
footer {
    background: rgba(0, 0, 0, 0.8);
    color: white;
    text-align: center;
    padding: 2rem;
    margin-top: 2rem;
}

/* Responsive design */
@media (max-width: 768px) {
    header h1 {
        font-size: 2rem;
    }
    
    nav ul {
        flex-direction: column;
        gap: 1rem;
    }
    
    main {
        padding: 1rem;
    }
    
    section {
        padding: 1.5rem;
    }
    
    .project-grid {
        grid-template-columns: 1fr;
    }
}