:root {
    --bg-color: #f8f8f8;
    --text-color: #333;
    --light-text: #666;
    --border-color: #e0e0e0;
    --accent-color: #0066cc;
    --hover-color: #0052a3;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 2rem;
}

header {
    padding: 2rem 0;
    border-bottom: 1px solid var(--border-color);
    text-align: center;
}

header h1 {
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.subtitle {
    font-size: 1.1rem;
    color: var(--light-text);
    font-weight: 300;
}

main {
    padding: 2rem 0;
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.social-section {
    text-align: center;
}

.social-section h2 {
    font-size: 1.8rem;
    margin-bottom: 2rem;
    font-weight: 500;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.social-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.5rem;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    text-decoration: none;
    color: var(--text-color);
    transition: all 0.3s ease;
    font-weight: 500;
}

.social-link:hover,
.social-link:focus {
    border-color: var(--accent-color);
    color: var(--accent-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 102, 204, 0.1);
}

.social-link:focus {
    outline: none;
}

.social-link svg {
    width: 1.5rem;
    height: 1.5rem;
    fill: currentColor;
    flex-shrink: 0;
    vertical-align: middle;
}

.social-link span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

footer {
    padding: 2rem 0;
    border-top: 1px solid var(--border-color);
    text-align: center;
    color: var(--light-text);
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    header h1 {
        font-size: 2rem;
    }

    .subtitle {
        font-size: 1rem;
    }

    .social-section h2 {
        font-size: 1.5rem;
    }

    .social-links {
        gap: 1rem;
    }

    .social-link {
        padding: 0.6rem 1.2rem;
        font-size: 0.9rem;
    }

    .social-link i {
        font-size: 1.1rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }

    header {
        padding: 2rem 0;
    }

    header h1 {
        font-size: 1.5rem;
    }

    .subtitle {
        font-size: 0.95rem;
    }

    .social-section h2 {
        font-size: 1.3rem;
        margin-bottom: 1.5rem;
    }

    .social-links {
        flex-direction: column;
        gap: 0.75rem;
        align-items: center;
    }

    .social-link {
        justify-content: center;
        width: 9.4rem;
    }
}