/* General Styles - Mariana Pro Cool Theme */
:root {
    /* Color palette */
    --bg-primary: #1e222a;
    --bg-secondary: #282c34;
    --text-primary: #abb2bf;
    --text-secondary: #d1d9e0;
    --accent-blue: #61afef;
    --accent-green: #98c379;
    --accent-red: #e06c75;
    --accent-red-hover: #c75660;

    /* Typography */
    --font-family-base: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    --font-size-base: 1rem;
    --line-height-base: 1.6;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;

    /* Layout */
    --max-width-content: 800px;
    --border-radius: 0.5rem;
    --shadow-light: 0 2px 5px rgba(0, 0, 0, 0.25);
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

body {
    font-family: var(--font-family-base);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    margin: 0;
    padding: 0;
    background-color: var(--bg-primary);
    color: var(--text-primary);
}

/* Skip link for accessibility */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--accent-blue);
    color: white;
    padding: 8px;
    text-decoration: none;
    border-radius: var(--border-radius);
    z-index: 1000;
    transition: top 0.2s ease;
}

.skip-link:focus {
    top: 6px;
}

header {
    background: var(--bg-secondary);
    color: var(--text-secondary);
    padding: var(--spacing-lg) 0;
    text-align: center;
}

.tagline {
    margin: var(--spacing-xs) 0 0 0;
    font-size: 1.1rem;
    color: var(--text-primary);
    font-weight: 300;
}

h1 {
    margin: 0;
    font-size: clamp(2rem, 5vw, 2.5rem);
    color: var(--accent-blue);
    font-weight: 600;
}

h2 {
    color: var(--accent-green);
    font-size: clamp(1.5rem, 4vw, 1.8rem);
    margin-top: 0;
    margin-bottom: var(--spacing-sm);
}

main {
    padding: 0 var(--spacing-sm);
}

main section {
    background: var(--bg-secondary);
    padding: var(--spacing-lg);
    margin: var(--spacing-lg) auto;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    max-width: var(--max-width-content);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    main {
        padding: 0 var(--spacing-xs);
    }

    main section {
        padding: var(--spacing-md);
        margin: var(--spacing-md) auto;
    }

    header {
        padding: var(--spacing-md) 0;
    }
}

.profile-picture {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    display: block;
    margin: 0 0 var(--spacing-sm) 0;
    border: 3px solid var(--accent-blue);
    transition:
        transform 0.2s ease,
        box-shadow 0.2s ease;
}

.profile-picture:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(97, 175, 239, 0.3);
}

@media (max-width: 480px) {
    .profile-picture {
        width: 120px;
        height: 120px;
    }
}

a {
    color: var(--accent-red);
    text-decoration: none;
    transition:
        color 0.2s ease,
        text-decoration 0.2s ease;
}

a:hover,
a:focus {
    color: var(--accent-red-hover);
    text-decoration: underline;
}

a:focus {
    outline: 2px solid var(--accent-blue);
    outline-offset: 2px;
    border-radius: 2px;
}

footer {
    text-align: center;
    padding: var(--spacing-lg) 0;
    background: var(--bg-secondary);
    width: 100%;
    margin-top: var(--spacing-xl);
    border-top: 1px solid rgba(171, 178, 191, 0.1);
}

footer p {
    margin: 0;
    font-size: 0.9rem;
    color: var(--text-primary);
}

/* Focus management for better accessibility */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --bg-primary: #000000;
        --bg-secondary: #1a1a1a;
        --text-primary: #ffffff;
        --text-secondary: #ffffff;
    }
}