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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #ffffff;
    color: #333333;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.container {
    max-width: 600px;
    width: 100%;
    text-align: center;
}

header h1 {
    font-size: 3.5rem;
    font-weight: 300;
    letter-spacing: 0.3em;
    margin-bottom: 20px;
    text-transform: uppercase;
    color: #333333;
}

.divider {
    width: 80px;
    height: 3px;
    background: #a8d5e5;
    margin: 0 auto 40px;
}

.tagline {
    font-size: 1.2rem;
    font-weight: 300;
    margin-bottom: 60px;
    color: #666666;
    letter-spacing: 0.05em;
}

.portfolio-links {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 40px;
}

.portfolio-link {
    display: block;
    padding: 25px 35px;
    background: #f8f9fa;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 1px solid #a8d5e5;
    border-radius: 4px;
    text-align: left;
}

.portfolio-link:hover {
    background: #e8f5f9;
    border-color: #5dade2;
}

.platform {
    display: block;
    font-size: 1.5rem;
    font-weight: 400;
    margin-bottom: 5px;
    color: #2a5298;
}

.platform-subtitle {
    display: block;
    font-size: 0.9rem;
    color: #5dade2;
    font-weight: 300;
}

footer {
    margin-top: 60px;
    padding-top: 30px;
    border-top: 1px solid #e0e0e0;
    font-size: 0.85rem;
    color: #999999;
}

@media (max-width: 768px) {
    header h1 {
        font-size: 2.5rem;
        letter-spacing: 0.2em;
    }
    
    .tagline {
        font-size: 1rem;
    }
    
    .portfolio-link {
        padding: 25px 30px;
    }
    
    .platform {
        font-size: 1.3rem;
    }
}