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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 40px 20px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

header {
    text-align: center;
    margin-bottom: 50px;
    color: white;
}

header h1 {
    font-size: 3em;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

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

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
    padding: 20px 0;
}

.project-card {
    background: white;
    border-radius: 15px;
    padding: 30px;
    text-decoration: none;
    color: #333;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.project-card:hover::before {
    opacity: 1;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

.project-icon {
    font-size: 3em;
    margin-bottom: 15px;
    display: inline-block;
    transition: transform 0.3s ease;
}

.project-card:hover .project-icon {
    transform: scale(1.2) rotate(5deg);
}

.project-card h2 {
    font-size: 1.5em;
    margin-bottom: 15px;
    color: #667eea;
}

.project-card p {
    font-size: 1em;
    line-height: 1.6;
    color: #666;
    margin-bottom: 20px;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tag {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.85em;
    font-weight: 500;
}

@media (max-width: 768px) {
    .projects-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    header h1 {
        font-size: 2em;
    }
    
    .subtitle {
        font-size: 1em;
    }
    
    .project-card {
        padding: 25px;
    }
}

@media (max-width: 480px) {
    body {
        padding: 20px 10px;
    }
    
    header h1 {
        font-size: 1.8em;
    }
    
    .project-card h2 {
        font-size: 1.3em;
    }
}