/* HME / MEF ADVOCACY — Estilos Principales */

:root {
    /* Colores advocacy */
    --color-bg: #fafafa;
    --color-text: #1a1a1a;
    --color-text-light: #555555;
    --color-border: #e0e0e0;
    --color-accent: #2c3e50;       /* Azul oscuro profesional */
    --color-highlight: #3498db;    /* Azul acento */
    --color-success: #27ae60;
    --color-warning: #e74c3c;
    --color-hover: #f5f5f5;
    
    /* Tipografía */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    --font-size-base: 16px;
    --font-size-small: 14px;
    --font-size-large: 18px;
    --line-height-base: 1.7;
    
    /* Espaciado */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Bordes */
    --border-radius: 3px;
    --shadow-subtle: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-light: 0 2px 6px rgba(0, 0, 0, 0.12);
    --transition: all 0.2s ease-out;
}

/* ============================================
   RESET GLOBAL
   ============================================ */

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

html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: var(--line-height-base);
    -webkit-font-smoothing: antialiased;
}

/* ============================================
   TIPOGRAFÍA
   ============================================ */

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    color: var(--color-accent);
}

h1 {
    font-size: 2.5rem;
    letter-spacing: -0.02em;
    border-bottom: 3px solid var(--color-highlight);
    padding-bottom: var(--spacing-md);
}

h2 {
    font-size: 2rem;
    border-bottom: 2px solid var(--color-border);
    padding-bottom: var(--spacing-sm);
}

h3 {
    font-size: 1.5rem;
    color: var(--color-accent);
}

h4 {
    font-size: 1.25rem;
}

p {
    margin-bottom: var(--spacing-md);
    text-align: justify;
}

p:last-child {
    margin-bottom: 0;
}

a {
    color: var(--color-highlight);
    text-decoration: underline;
    transition: var(--transition);
}

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

a:visited {
    color: #7f8c8d;
}

strong, b {
    font-weight: 700;
    color: var(--color-accent);
}

em, i {
    font-style: italic;
}

/* ============================================
   ESTRUCTURA
   ============================================ */

header {
    border-bottom: 2px solid var(--color-highlight);
    background-color: white;
    position: sticky;
    top: 0;
    z-index: 100;
    padding: var(--spacing-md) 0;
    box-shadow: var(--shadow-subtle);
}

main {
    min-height: calc(100vh - 200px);
}

footer {
    border-top: 2px solid var(--color-highlight);
    background-color: var(--color-accent);
    color: white;
    margin-top: var(--spacing-2xl);
    padding: var(--spacing-xl) 0;
}

/* ============================================
   NAVEGACIÓN
   ============================================ */

.site-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.site-logo {
    font-size: 1.5rem;
    font-weight: 700;
    text-decoration: none;
    color: var(--color-accent);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.site-logo::before {
    content: "⚖";
    font-size: 1.75rem;
}

nav ul {
    list-style: none;
    display: flex;
    gap: var(--spacing-lg);
}

nav a {
    text-decoration: none;
    font-weight: 600;
    font-size: var(--font-size-small);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-light);
    border-bottom: 2px solid transparent;
    padding-bottom: 0.25rem;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.sr-only:focus {
    position: fixed;
    top: var(--spacing-sm, 0.5rem);
    left: var(--spacing-sm, 0.5rem);
    width: auto;
    height: auto;
    padding: 0.5rem 1rem;
    margin: 0;
    overflow: visible;
    clip: auto;
    white-space: normal;
    background: var(--color-primary, #2c3e50);
    color: #fff;
    border-radius: 4px;
    z-index: 1000;
}

.lang-switch {
    flex-shrink: 0;
    text-decoration: none;
    font-weight: 700;
    font-size: var(--font-size-small);
    letter-spacing: 0.05em;
    color: var(--color-accent);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    padding: 0.25rem 0.6rem;
    margin-left: var(--spacing-md);
}

.lang-switch:hover {
    color: #fff;
    background: var(--color-highlight);
    border-color: var(--color-highlight);
}

nav a:hover,
nav a.active {
    color: var(--color-highlight);
    border-bottom-color: var(--color-highlight);
}

/* ============================================
   CONTENIDO PRINCIPAL
   ============================================ */

article {
    max-width: 1000px;
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-lg);
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-subtle);
}

article header {
    border-bottom: 2px solid var(--color-border);
    border-radius: 0;
    box-shadow: none;
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-xl);
}

article h1 {
    border-bottom: none;
    padding-bottom: 0;
    margin-top: 0;
}

.subtitle {
    font-size: var(--font-size-large);
    color: var(--color-text-light);
    font-weight: 500;
    margin-top: var(--spacing-md);
}

.content {
    line-height: 1.8;
    font-size: var(--font-size-base);
}

.content img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: var(--spacing-lg) 0;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
}

/* ============================================
   BLOCKQUOTES Y CITAS
   ============================================ */

blockquote {
    border-left: 4px solid var(--color-highlight);
    padding: var(--spacing-md);
    padding-left: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
    background-color: #f0f7ff;
    border-radius: var(--border-radius);
    font-style: italic;
    color: var(--color-accent);
}

blockquote p {
    margin-bottom: var(--spacing-sm);
}

blockquote p:last-child {
    margin-bottom: 0;
}

.citation {
    font-size: var(--font-size-small);
    color: var(--color-text-light);
    margin-top: var(--spacing-sm);
    text-align: right;
}

/* ============================================
   LISTAS
   ============================================ */

ul, ol {
    margin-left: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

li {
    margin-bottom: var(--spacing-sm);
}

/* ============================================
   CÓDIGO
   ============================================ */

code, pre {
    font-family: var(--font-mono);
    font-size: var(--font-size-small);
    background-color: #f5f5f5;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
}

code {
    padding: 0.2em 0.4em;
    color: var(--color-accent);
}

pre {
    padding: var(--spacing-md);
    overflow-x: auto;
    margin-bottom: var(--spacing-md);
    line-height: 1.4;
}

pre code {
    background-color: transparent;
    border: none;
    padding: 0;
    color: var(--color-text);
}

/* ============================================
   TABLAS
   ============================================ */

table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-small);
    box-shadow: var(--shadow-subtle);
}

thead {
    background-color: var(--color-accent);
    color: white;
}

th {
    font-weight: 700;
    padding: var(--spacing-md);
    text-align: left;
}

td {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
}

tbody tr:hover {
    background-color: var(--color-hover);
}

/* ============================================
   CALLOUTS / ALERTAS
   ============================================ */

.callout {
    padding: var(--spacing-md);
    margin: var(--spacing-lg) 0;
    border-left: 4px solid;
    border-radius: var(--border-radius);
}

.callout.info {
    border-color: var(--color-highlight);
    background-color: #ecf0f1;
}

.callout.warning {
    border-color: var(--color-warning);
    background-color: #fadbd8;
}

.callout.success {
    border-color: var(--color-success);
    background-color: #d5f4e6;
}

.callout strong {
    display: block;
    margin-bottom: var(--spacing-xs);
}

/* ============================================
   BOTONES Y ENLACES DESTACADOS
   ============================================ */

.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    background-color: var(--color-highlight);
    color: white;
    text-decoration: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

.btn:hover {
    background-color: var(--color-accent);
}

.btn.secondary {
    background-color: var(--color-border);
    color: var(--color-text);
}

.btn.secondary:hover {
    background-color: #ccc;
}

/* ============================================
   FOOTER
   ============================================ */

.site-footer {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    color: #ecf0f1;
}

.footer-section h4 {
    color: white;
    margin-top: 0;
}

.footer-section ul {
    list-style: none;
    margin: 0;
}

.footer-section a {
    color: #ecf0f1;
    text-decoration: none;
}

.footer-section a:hover {
    color: white;
    text-decoration: underline;
}

.footer-copyright {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: var(--spacing-lg);
    text-align: center;
    font-size: var(--font-size-small);
    color: #bdc3c7;
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 768px) {
    :root {
        --font-size-base: 15px;
        --spacing-lg: 1.5rem;
        --spacing-xl: 2rem;
    }

    h1 { font-size: 2rem; }
    h2 { font-size: 1.5rem; }

    .site-header {
        flex-direction: column;
        gap: var(--spacing-md);
        padding: 0 var(--spacing-md);
    }

    nav ul {
        gap: var(--spacing-md);
        flex-wrap: wrap;
        justify-content: center;
    }

    article {
        padding: var(--spacing-lg) var(--spacing-md);
    }
}

@media (max-width: 480px) {
    :root {
        --font-size-base: 14px;
        --spacing-md: 1rem;
        --spacing-lg: 1.25rem;
    }

    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.25rem; }

    nav ul {
        flex-direction: column;
        text-align: center;
    }

    nav a {
        display: block;
        padding: var(--spacing-sm) 0;
    }

    table {
        font-size: 12px;
    }

    th, td {
        padding: var(--spacing-sm);
    }
}