:root {
    /* Tennis-inspired color palette */
    --color-primary: #1a5f2a;
    --color-primary-dark: #0d3d18;
    --color-primary-light: #2d8a42;
    --color-accent: #c4a000;
    --color-accent-light: #f4d03f;
    --color-court: #4a7c23;
    --color-clay: #d35400;

    /* Neutral tones */
    --color-bg: #fafafa;
    --color-bg-alt: #f0f4e8;
    --color-surface: #ffffff;
    --color-text: #1a1a1a;
    --color-text-muted: #5a5a5a;
    --color-text-light: #7a7a7a;
    --color-border: #e0e0e0;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.12);

    /* Typography */
    --font-heading: 'Georgia', 'Times New Roman', serif;
    --font-body: 'Segoe UI', system-ui, -apple-system, sans-serif;

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2.5rem;
    --space-xl: 4rem;
    --space-2xl: 7rem;

    /* Layout */
    --content-width: 75ch;
    --header-height: 4rem;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    font-size: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-bg);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Focus styles for accessibility */
:focus-visible {
    outline: 3px solid var(--color-accent);
    outline-offset: 3px;
}

::selection {
    background-color: var(--color-primary);
    color: white;
}

.breadcrumbs {
    margin: 25px 0;
}


/* Main content */
main {
    flex: 1;
    width: 100%;
    max-width: calc(var(--content-width) + var(--space-lg) * 2);
    margin: 0 auto;
    padding: var(--space-2xl) var(--space-md);
}

/* Article typography */
main h1 {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 1.5rem + 2.5vw, 3.25rem);
    font-weight: 700;
    line-height: 1.15;
 
    margin-bottom: var(--space-md);
    letter-spacing: -0.02em;
}



.toc-wrap__title {
    font-family: var(--font-heading);
    font-size: clamp(1.5rem, 1.25rem + 1.25vw, 2.25rem);
    font-weight: 600;
    line-height: 1.25;
    color: var(--color-primary);
    margin-top: var(--space-xl);
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-xs);
    border-bottom: 3px solid var(--color-accent);
    max-width: 500px;
}

main h2 {
    font-family: var(--font-heading);
    font-size: clamp(1.5rem, 1.25rem + 1.25vw, 2.25rem);
    font-weight: 600;
    line-height: 1.25;
    color: var(--color-primary);
    margin-top: var(--space-xl);
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-xs);
    /* border-bottom: 3px solid var(--color-accent); */
}

main h3 {
    font-family: var(--font-heading);
    font-size: clamp(1.2rem, 1.1rem + 0.5vw, 1.5rem);
    font-weight: 600;
    line-height: 1.35;
    color: var(--color-text);
    margin-top: var(--space-lg);
    margin-bottom: var(--space-sm);
}

main p {
    margin-bottom: var(--space-md);
    text-align: justify;
    hyphens: auto;
}

main strong {
    font-weight: 600;
    color: var(--color-primary-dark);
}


main em {
    font-style: italic;
    color: var(--color-text-muted);
}

/* Lists */
main ul,
main ol {
    margin-bottom: var(--space-md);
}

main li {
    margin-bottom: var(--space-xs);
    padding-left: var(--space-xs);
}

main ul li::marker {
    color: var(--color-primary);
}

main ol li::marker {
    color: var(--color-accent);
    font-weight: 600;
}

/* Blockquotes */
main blockquote {
    position: relative;
    margin: var(--space-lg) 0;
    padding: var(--space-md) var(--space-lg);
    background: linear-gradient(135deg, var(--color-bg-alt) 0%, var(--color-surface) 100%);
    border-left: 4px solid var(--color-accent);
    border-radius: 0 8px 8px 0;
    font-style: italic;
    color: var(--color-text-muted);
    box-shadow: var(--shadow-sm);
}

main blockquote::before {
    content: '"';
    position: absolute;
    top: -10px;
    left: 15px;
    font-size: 4rem;
    font-family: var(--font-heading);
    color: var(--color-accent);
    opacity: 0.3;
    line-height: 1;
}

/* Links */
main a {
    color: var(--color-primary);
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;
    transition: color var(--transition-fast), text-decoration-color var(--transition-fast);
}

main a:hover {
    color: var(--color-accent);
    text-decoration-color: var(--color-accent);
}

/* Images */
main figure {
    margin: var(--space-lg) 0;
}

main img,
main .hero-image,
main .article-image {
    display: block;
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

main figure:hover img,
main .hero-image:hover,
main .article-image:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg), 0 12px 40px rgba(26, 95, 42, 0.15);
}

main figcaption {
    margin-top: var(--space-sm);
    font-size: 0.875rem;
    color: var(--color-text-light);
    text-align: center;
    font-style: italic;
}

.hero-image {
    margin-bottom: var(--space-lg);
    aspect-ratio: 14 / 9;
    object-fit: cover;
    background: linear-gradient(135deg, var(--color-court) 0%, var(--color-primary) 100%);
}

.article-image {
    aspect-ratio: 3 / 2;
    object-fit: cover;
    background-color: var(--color-bg-alt);
}

/* Table of contents styling */
main nav[aria-label="Contenido"] {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: var(--space-md);
    margin: var(--space-lg) 0;
    box-shadow: var(--shadow-sm);
}

main nav[aria-label="Contenido"] ul {
    list-style: none;
    padding-left: 0;
}

main nav[aria-label="Contenido"] li {
    padding: var(--space-xs) 0;
    border-bottom: 1px solid var(--color-border);
}

main nav[aria-label="Contenido"] li:last-child {
    border-bottom: none;
}

main nav[aria-label="Contenido"] a {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    text-decoration: none;
    color: var(--color-text);
    padding: var(--space-xs);
    border-radius: 6px;
    transition: background-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

main nav[aria-label="Contenido"] a::before {
    content: '';
    display: inline-block;
    width: 8px;
    height: 8px;
    background-color: var(--color-accent);
    border-radius: 50%;
    transition: transform var(--transition-fast);
}

main nav[aria-label="Contenido"] a:hover {
    background-color: var(--color-bg-alt);
    color: var(--color-primary);
}

main nav[aria-label="Contenido"] a:hover::before {
    transform: scale(1.3);
}

/* FAQ section styling */
main section[itemscope][itemtype="https://schema.org/FAQPage"] h3 {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    background: linear-gradient(135deg, var(--color-bg-alt) 0%, transparent 100%);
    padding: var(--space-sm) var(--space-md);
    margin-left: calc(-1 * var(--space-md));
    margin-right: calc(-1 * var(--space-md));
    border-radius: 8px;
}

main section[itemscope][itemtype="https://schema.org/FAQPage"] h3::before {
    content: 'Q';
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 28px;
    height: 28px;
    background: var(--color-primary);
    color: white;
    font-size: 0.875rem;
    font-weight: 700;
    border-radius: 50%;
}

/* Code and preformatted text */
main code {
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 0.9em;
    padding: 0.2em 0.4em;
    background-color: var(--color-bg-alt);
    border-radius: 4px;
    color: var(--color-clay);
}

main pre {
    margin: var(--space-md) 0;
    padding: var(--space-md);
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    overflow-x: auto;
}

main pre code {
    padding: 0;
    background: none;
}

/* Horizontal rule */
main hr {
    border: none;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
    margin: var(--space-xl) 0;
}

/* Tables */
main table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--space-md) 0;
    font-size: 0.95rem;
}

main th,
main td {
    padding: var(--space-sm);
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

main th {
    background-color: var(--color-primary);
    color: white;
    font-weight: 600;
}

main tr:hover {
    background-color: var(--color-bg-alt);
}


/* Decorative elements */
main>*:first-child {
    margin-top: 0;
}

/* Court line accent for h2 */
main h2::after {
    content: '';
    display: block;
    position: absolute;
    bottom: -3px;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(to right, #51bf1a, #cdde0e, #51bf1a);
}

main h2 {
    position: relative;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    main {
        padding: var(--space-md) var(--space-sm);
    }

    main h2 {
        margin-top: var(--space-lg);
    }

    main blockquote {
        padding: var(--space-sm) var(--space-md);
        margin: var(--space-md) 0;
    }

    main blockquote::before {
        font-size: 2.5rem;
        top: -5px;
        left: 10px;
    }

    main p {
        text-align: left;
        hyphens: none;
    }
}

/* Print styles */
@media print {

    header,
    footer {
        display: none;
    }

    main {
        max-width: 100%;
        padding: 0;
    }

    main a {
        text-decoration: none;
        color: var(--color-text);
    }

    main a::after {
        content: ' (' attr(href) ')';
        font-size: 0.8em;
        color: var(--color-text-muted);
    }
}

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }
}