:root {
    --primary-color: #4f46e5;
    --text-color: #1f2937;
    --text-light: #6b7280;
    --background-color: #ffffff;
    --card-bg: #f9fafb;
    --border-color: #e5e7eb;
    --hover-color: #4338ca;
    --spacing-unit: 1rem;
}

@media (prefers-color-scheme: dark) {
    :root {
        --primary-color: #818cf8;
        --text-color: #f9fafb;
        --text-light: #d1d5db;
        --background-color: #111827;
        --card-bg: #1f2937;
        --border-color: #374151;
        --hover-color: #a5b4fc;
    }
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    padding: 0 1rem;
}

header {
    padding: calc(var(--spacing-unit) * 3) 0 calc(var(--spacing-unit) * 2);
    text-align: center;
}

header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -0.025em;
    margin-bottom: var(--spacing-unit);
}

header h1 a {
    color: var(--text-color);
    text-decoration: none;
    transition: color 0.2s ease;
}

header h1 a:hover {
    color: var(--primary-color);
}

.subtitle {
    color: var(--text-light);
    font-size: 1.125rem;
    font-weight: 300;
    max-width: 600px;
    margin: 0 auto;
}

main {
    flex: 1;
    max-width: 600px;
    width: 100%;
    margin: 0 auto;
    padding: calc(var(--spacing-unit) * 2) 0;
}

.social-links {
    display: flex;
    flex-direction: column;
    gap: calc(var(--spacing-unit) * 0.75);
    width: 100%;
    max-width: 320px;
    margin: 0 auto;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    background-color: var(--card-bg);
    border-radius: 0.5rem;
    border: 1px solid var(--border-color);
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: all 0.2s ease;
}

.social-link:hover {
    transform: translateY(-2px);
    color: var(--primary-color);
    border-color: var(--primary-color);
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.1);
}

@media (prefers-color-scheme: dark) {
    .social-link:hover {
        box-shadow: 0 4px 12px rgba(129, 140, 248, 0.2);
    }
}

.social-link i {
    font-size: 1.25rem;
    color: var(--primary-color);
}

footer {
    padding: calc(var(--spacing-unit) * 2) 0;
    text-align: center;
    border-top: 1px solid var(--border-color);
    margin-top: auto;
}

.contact-section {
    margin-bottom: calc(var(--spacing-unit) * 1.5);
}

.contact-section p {
    margin-bottom: calc(var(--spacing-unit) * 0.5);
    color: var(--text-light);
}

.email-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
}

.email-link:hover {
    color: var(--hover-color);
}

.copyright {
    font-size: 0.875rem;
    color: var(--text-light);
}