:root {
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --background: #f9fafb;
    --card-background: #ffffff;
    --border-color: #e5e7eb;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--background);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.container {
    width: 100%;
    max-width: 500px;
}

.card {
    background: var(--card-background);
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    padding: 48px 40px;
    text-align: center;
    border: 1px solid var(--border-color);
}

.profile-section {
    margin-bottom: 40px;
}

.initials {
    width: 96px;
    height: 96px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    font-size: 36px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    box-shadow: var(--shadow);
}

h1 {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
    letter-spacing: -0.5px;
}

.tagline {
    font-size: 18px;
    color: var(--text-secondary);
    font-weight: 400;
}

.links-section {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 40px;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 16px 24px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.2s ease;
    border: 2px solid var(--border-color);
    color: var(--text-primary);
    background: var(--card-background);
}

.social-link:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
    border-color: var(--primary-color);
}

.social-link:active {
    transform: translateY(0);
}

.social-link.linkedin:hover {
    background: #0077b5;
    color: white;
    border-color: #0077b5;
}

.social-link.github:hover {
    background: #24292e;
    color: white;
    border-color: #24292e;
}

.icon {
    width: 24px;
    height: 24px;
}

.footer {
    padding-top: 32px;
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 14px;
}

/* Responsive Design */
@media (max-width: 640px) {
    .card {
        padding: 32px 24px;
    }
    
    h1 {
        font-size: 28px;
    }
    
    .tagline {
        font-size: 16px;
    }
    
    .initials {
        width: 80px;
        height: 80px;
        font-size: 32px;
    }
    
    .social-link {
        padding: 14px 20px;
        font-size: 15px;
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    :root {
        --text-primary: #f9fafb;
        --text-secondary: #9ca3af;
        --background: #111827;
        --card-background: #1f2937;
        --border-color: #374151;
    }
    
    .social-link {
        background: #374151;
        color: var(--text-primary);
        border-color: #4b5563;
    }
    
    .social-link:hover {
        border-color: var(--primary-color);
    }
}