/* ==========================================================================
   VitalidadPro — Hoja de Estilos Principal
   Paleta: Azul Acero Noble (#1e3a5f), Pizarra Oscuro (#0f243c),
           Azul Celeste Activo (#0ea5e9), Gris Pizarra Claro (#f1f5f9)
   ========================================================================== */

:root {
    --color-primary: #1e3a5f;
    --color-primary-dark: #0f243c;
    --color-accent: #0ea5e9;
    --color-accent-hover: #0284c7;
    --color-bg: #f1f5f9;
    --color-surface: #ffffff;
    --color-surface-alt: #e2e8f0;
    --color-text: #0f172a;
    --color-text-muted: #475569;
    --color-border: #cbd5e1;
    --color-success: #0d9488;
    --color-warning: #d97706;
    --color-error: #dc2626;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-display: 'Montserrat', 'Inter', sans-serif;
    --shadow-sm: 0 2px 6px rgba(15, 36, 60, 0.06);
    --shadow-md: 0 8px 24px rgba(15, 36, 60, 0.1);
    --shadow-lg: 0 16px 36px rgba(15, 36, 60, 0.14);
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --container-max: 1200px;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-sans);
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.68;
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
    border-radius: var(--radius-md);
}

a {
    color: var(--color-primary);
    text-decoration: underline;
    text-underline-offset: 3px;
    transition: color 0.2s ease;
}

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

h1, h2, h3, h4 {
    font-family: var(--font-display);
    color: var(--color-primary-dark);
    line-height: 1.24;
    margin-bottom: 0.75rem;
    letter-spacing: -0.015em;
}

h1 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
}

h2 {
    font-size: clamp(1.5rem, 2.8vw, 2.15rem);
    font-weight: 700;
}

h3 {
    font-size: clamp(1.2rem, 2vw, 1.45rem);
    font-weight: 700;
}

p {
    margin-bottom: 1.1rem;
}

ul, ol {
    margin-bottom: 1.2rem;
    padding-left: 1.4rem;
}

li {
    margin-bottom: 0.45rem;
}

.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 1.25rem;
}

/* Accesibilidad */
.skip-link {
    position: absolute;
    top: -100px;
    left: 1rem;
    background: var(--color-primary-dark);
    color: #ffffff;
    padding: 0.75rem 1.25rem;
    border-radius: var(--radius-sm);
    z-index: 9999;
    text-decoration: none;
    font-weight: 600;
}

.skip-link:focus {
    top: 1rem;
    color: #ffffff;
}

/* Botones */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.98rem;
    padding: 0.85rem 1.65rem;
    border-radius: var(--radius-sm);
    border: 2px solid transparent;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s ease;
}

.btn-sm {
    padding: 0.55rem 1.15rem;
    font-size: 0.88rem;
}

.btn-primary {
    background-color: var(--color-accent);
    color: #ffffff;
    border-color: var(--color-accent);
}

.btn-primary:hover,
.btn-primary:focus-visible {
    background-color: var(--color-accent-hover);
    border-color: var(--color-accent-hover);
    color: #ffffff;
}

.btn-secondary {
    background-color: var(--color-primary);
    color: #ffffff;
    border-color: var(--color-primary);
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
    background-color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    color: #ffffff;
}

.btn-outline {
    background-color: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn-outline:hover,
.btn-outline:focus-visible {
    background-color: var(--color-primary);
    color: #ffffff;
}

.btn-light {
    background-color: #ffffff;
    color: var(--color-primary-dark);
    border-color: #ffffff;
}

.btn-light:hover,
.btn-light:focus-visible {
    background-color: var(--color-surface-alt);
    color: var(--color-primary-dark);
}

.btn-ghost {
    background-color: transparent;
    color: var(--color-text-muted);
    border-color: var(--color-border);
}

.btn-ghost:hover {
    background-color: var(--color-surface-alt);
    color: var(--color-primary-dark);
}

/* Barra Superior */
.topbar {
    background-color: var(--color-primary-dark);
    color: #cbd5e1;
    font-size: 0.82rem;
    padding: 0.5rem 0;
}

.topbar-inner {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 0.5rem;
}

.topbar-info,
.topbar-contact {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.6rem;
}

.topbar-link {
    color: #e2e8f0;
    text-decoration: none;
}

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

.topbar-sep {
    opacity: 0.4;
}

/* Cabecera Principal */
.site-header {
    background-color: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 78px;
    gap: 1.25rem;
}

.brand-logo {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
}

.brand-mark {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: #ffffff;
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 1.15rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-bottom: 3px solid var(--color-accent);
}

.brand-text {
    display: flex;
    flex-direction: column;
}

.brand-title {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 1.35rem;
    color: var(--color-primary-dark);
    line-height: 1.1;
}

.brand-accent {
    color: var(--color-accent);
}

.brand-subtitle {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-text-muted);
    font-weight: 600;
}

.primary-nav {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-link {
    text-decoration: none;
    color: var(--color-text);
    font-weight: 600;
    font-size: 0.95rem;
    padding: 0.4rem 0.2rem;
    border-bottom: 2px solid transparent;
    transition: all 0.2s ease;
}

.nav-link:hover,
.nav-link.is-active {
    color: var(--color-primary);
    border-bottom-color: var(--color-accent);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 42px;
    height: 42px;
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    padding: 8px;
}

.hamburger-bar {
    width: 100%;
    height: 2px;
    background-color: var(--color-primary-dark);
    transition: transform 0.2s ease, opacity 0.2s ease;
}

/* Migas de pan */
.breadcrumb-bar {
    background-color: var(--color-surface-alt);
    border-bottom: 1px solid var(--color-border);
    padding: 0.65rem 0;
    font-size: 0.86rem;
}

.breadcrumb-list {
    display: flex;
    flex-wrap: wrap;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 0.5rem;
}

.breadcrumb-item + .breadcrumb-item::before {
    content: "/";
    margin-right: 0.5rem;
    color: var(--color-text-muted);
}

.breadcrumb-item a {
    color: var(--color-primary);
    text-decoration: none;
}

.breadcrumb-item a:hover {
    text-decoration: underline;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
    color: #ffffff;
    padding: 4.5rem 0;
    border-bottom: 4px solid var(--color-accent);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 3rem;
    align-items: center;
}

.hero-badge {
    display: inline-block;
    background-color: rgba(14, 165, 233, 0.2);
    color: #7dd3fc;
    border: 1px solid rgba(14, 165, 233, 0.45);
    padding: 0.35rem 0.9rem;
    border-radius: 999px;
    font-size: 0.82rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 1.15rem;
}

.hero-title {
    color: #ffffff;
    margin-bottom: 1.15rem;
}

.hero-lead {
    font-size: 1.12rem;
    color: #e2e8f0;
    margin-bottom: 1.8rem;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 2rem;
}

.hero-metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.16);
}

.metric-item {
    display: flex;
    flex-direction: column;
}

.metric-val {
    font-family: var(--font-display);
    font-size: 1.55rem;
    font-weight: 800;
    color: #38bdf8;
}

.metric-lbl {
    font-size: 0.82rem;
    color: #cbd5e1;
}

.hero-media {
    position: relative;
}

.hero-img {
    box-shadow: var(--shadow-lg);
    border: 2px solid rgba(255, 255, 255, 0.18);
}

/* Secciones Generales */
.section {
    padding: 4.25rem 0;
}

.section-alt {
    background-color: var(--color-surface);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.section-dark {
    background-color: var(--color-primary-dark);
    color: #f8fafc;
}

.section-dark h2,
.section-dark h3 {
    color: #ffffff;
}

.section-header {
    max-width: 780px;
    margin: 0 auto 2.75rem;
    text-align: center;
}

.section-kicker {
    display: inline-block;
    font-size: 0.82rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-accent-hover);
    margin-bottom: 0.5rem;
}

.section-subtitle {
    color: var(--color-text-muted);
    font-size: 1.06rem;
}

/* Rejillas y Tarjetas */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.75rem;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 1.85rem;
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.card-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    background-color: rgba(14, 165, 233, 0.12);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    font-weight: 800;
    margin-bottom: 1.1rem;
}

.card-tag {
    display: inline-block;
    font-size: 0.76rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background-color: var(--color-bg);
    color: var(--color-primary);
    padding: 0.25rem 0.65rem;
    border-radius: var(--radius-sm);
    margin-bottom: 0.75rem;
}

/* Artículos y Guías */
.page-hero {
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
    color: #ffffff;
    padding: 3.25rem 0;
    border-bottom: 3px solid var(--color-accent);
}

.page-hero h1 {
    color: #ffffff;
    margin-bottom: 0.75rem;
}

.page-hero-lead {
    font-size: 1.1rem;
    color: #e2e8f0;
    max-width: 820px;
    margin-bottom: 0;
}

.article-meta-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 1.25rem;
    margin-top: 1.25rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.18);
    font-size: 0.88rem;
    color: #cbd5e1;
}

.article-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 2.5rem;
    align-items: start;
}

.toc-sidebar {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    position: sticky;
    top: 98px;
    box-shadow: var(--shadow-sm);
}

.toc-title {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-primary-dark);
    margin-bottom: 0.85rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--color-accent);
}

.toc-list {
    list-style: none;
    padding: 0;
    margin: 0;
    font-size: 0.9rem;
}

.toc-list li {
    margin-bottom: 0.55rem;
}

.toc-list a {
    text-decoration: none;
    color: var(--color-text-muted);
    display: block;
    padding: 0.2rem 0;
}

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

.article-content {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 2.5rem;
    box-shadow: var(--shadow-sm);
}

.article-content h2 {
    margin-top: 2.2rem;
    padding-top: 0.5rem;
    border-bottom: 2px solid var(--color-surface-alt);
    padding-bottom: 0.5rem;
}

.article-content h2:first-of-type {
    margin-top: 0;
}

.article-content h3 {
    margin-top: 1.5rem;
    color: var(--color-primary);
}

.article-figure {
    margin: 1.75rem 0;
}

.article-caption {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-top: 0.5rem;
    text-align: center;
}

/* Tablas Deportivas */
.table-wrap {
    width: 100%;
    overflow-x: auto;
    margin: 1.75rem 0;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.94rem;
    background-color: var(--color-surface);
}

.data-table th,
.data-table td {
    padding: 0.95rem 1.1rem;
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.data-table th {
    background-color: var(--color-primary);
    color: #ffffff;
    font-family: var(--font-display);
    font-weight: 700;
}

.data-table tr:nth-child(even) td {
    background-color: var(--color-bg);
}

/* Listas de Verificación (Checklists) */
.checklist-box {
    background-color: var(--color-bg);
    border-left: 4px solid var(--color-accent);
    border-radius: var(--radius-sm);
    padding: 1.5rem;
    margin: 1.75rem 0;
}

.checklist {
    list-style: none;
    padding-left: 0;
    margin-bottom: 0;
}

.checklist li {
    position: relative;
    padding-left: 1.85rem;
    margin-bottom: 0.65rem;
}

.checklist li::before {
    content: "✓";
    position: absolute;
    left: 0;
    top: 0;
    width: 1.35rem;
    height: 1.35rem;
    border-radius: 50%;
    background-color: var(--color-accent);
    color: #ffffff;
    font-size: 0.78rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Cuadro de Autor / Revisor */
.author-box {
    display: flex;
    gap: 1.25rem;
    align-items: flex-start;
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    margin-top: 2.5rem;
}

.author-avatar {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background-color: var(--color-primary);
    color: #ffffff;
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.author-info h3 {
    margin-top: 0;
    margin-bottom: 0.25rem;
    font-size: 1.1rem;
}

.author-role {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-accent-hover);
    margin-bottom: 0.5rem;
}

.author-bio {
    font-size: 0.92rem;
    color: var(--color-text-muted);
    margin-bottom: 0;
}

/* Acordeones FAQ */
.faq-list {
    max-width: 860px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
}

.faq-item {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    text-align: left;
    background: none;
    border: none;
    padding: 1.15rem 1.35rem;
    font-family: var(--font-display);
    font-size: 1.02rem;
    font-weight: 700;
    color: var(--color-primary-dark);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    cursor: pointer;
}

.faq-question:hover {
    background-color: var(--color-bg);
}

.faq-icon {
    font-size: 1.25rem;
    color: var(--color-accent);
    transition: transform 0.2s ease;
}

.faq-question[aria-expanded="true"] .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    padding: 0 1.35rem 1.25rem;
    color: var(--color-text-muted);
    border-top: 1px solid var(--color-surface-alt);
    padding-top: 1rem;
}

/* Testimonios y Especialistas */
.testimonial-card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 1.75rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.testimonial-quote {
    font-style: italic;
    color: var(--color-text);
    margin-bottom: 1.25rem;
}

.testimonial-author {
    font-weight: 700;
    color: var(--color-primary-dark);
    font-size: 0.95rem;
}

.testimonial-meta {
    font-size: 0.82rem;
    color: var(--color-text-muted);
}

/* Formulario de Contacto */
.contact-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 2.5rem;
    align-items: start;
}

.form-card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 2.25rem;
    box-shadow: var(--shadow-sm);
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-label {
    display: block;
    font-weight: 600;
    font-size: 0.92rem;
    margin-bottom: 0.45rem;
    color: var(--color-primary-dark);
}

.form-control {
    width: 100%;
    padding: 0.8rem 1rem;
    font-family: var(--font-sans);
    font-size: 0.96rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background-color: #ffffff;
    color: var(--color-text);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.18);
}

.form-check {
    display: flex;
    align-items: flex-start;
    gap: 0.65rem;
    font-size: 0.88rem;
    color: var(--color-text-muted);
    margin-bottom: 1.25rem;
}

.form-check input {
    margin-top: 0.25rem;
}

.hp-field {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.alert-error {
    background-color: #fef2f2;
    border-left: 4px solid var(--color-error);
    color: #991b1b;
    padding: 1rem 1.25rem;
    border-radius: var(--radius-sm);
    margin-bottom: 1.5rem;
}

/* CTA Banner */
.cta-banner {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: #ffffff;
    border-radius: var(--radius-lg);
    padding: 3rem;
    text-align: center;
    box-shadow: var(--shadow-md);
}

.cta-banner h2 {
    color: #ffffff;
}

.cta-banner p {
    color: #e2e8f0;
    max-width: 680px;
    margin: 0 auto 1.75rem;
}

/* Aviso Educativo y Footer */
.educational-disclaimer {
    background-color: var(--color-surface-alt);
    border-top: 1px solid var(--color-border);
    padding: 1.75rem 0;
}

.disclaimer-box {
    background-color: var(--color-surface);
    border-left: 4px solid var(--color-primary);
    padding: 1.25rem 1.5rem;
    border-radius: var(--radius-sm);
}

.disclaimer-title {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.92rem;
    color: var(--color-primary-dark);
    margin-bottom: 0.35rem;
}

.disclaimer-text {
    font-size: 0.84rem;
    color: var(--color-text-muted);
    margin-bottom: 0;
}

.site-footer {
    background-color: var(--color-primary-dark);
    color: #cbd5e1;
    padding-top: 3.5rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
    gap: 2rem;
    padding-bottom: 2.5rem;
}

.footer-logo .brand-title {
    color: #ffffff;
}

.footer-logo .brand-subtitle {
    color: #94a3b8;
}

.footer-desc {
    font-size: 0.9rem;
    margin-top: 0.85rem;
    color: #cbd5e1;
}

.footer-legal-id {
    font-size: 0.84rem;
    color: #94a3b8;
}

.footer-heading {
    color: #ffffff;
    font-size: 1rem;
    margin-bottom: 1rem;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 0.55rem;
}

.footer-links a,
.footer-address a {
    color: #cbd5e1;
    text-decoration: none;
    font-size: 0.92rem;
}

.footer-links a:hover,
.footer-address a:hover {
    color: var(--color-accent);
}

.footer-cookie-btn {
    background: none;
    border: none;
    color: #cbd5e1;
    font-family: var(--font-sans);
    font-size: 0.92rem;
    cursor: pointer;
    text-decoration: underline;
    padding: 0;
}

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

.footer-address {
    font-style: normal;
    font-size: 0.9rem;
}

.footer-address p {
    margin-bottom: 0.55rem;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    padding: 1.25rem 0;
    font-size: 0.84rem;
    color: #94a3b8;
}

.footer-bottom-inner {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 0.75rem;
}

.footer-bottom p {
    margin-bottom: 0;
}

/* Cookie Banner */
.cookie-banner {
    position: fixed;
    bottom: 1.25rem;
    left: 1.25rem;
    right: 1.25rem;
    max-width: 980px;
    margin: 0 auto;
    background-color: var(--color-surface);
    border: 2px solid var(--color-primary);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: 1.5rem;
    z-index: 9000;
}

.cookie-banner-title {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.cookie-banner-text {
    font-size: 0.88rem;
    color: var(--color-text-muted);
    margin-bottom: 1rem;
}

.cookie-preferences {
    background-color: var(--color-bg);
    padding: 1rem;
    border-radius: var(--radius-sm);
    margin-bottom: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.cookie-check {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.86rem;
}

.cookie-banner-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

/* Responsivo */
@media (max-width: 992px) {
    .hero-grid,
    .article-layout,
    .contact-grid {
        grid-template-columns: 1fr;
    }

    .toc-sidebar {
        position: static;
    }

    .grid-3,
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .topbar-inner {
        justify-content: center;
        text-align: center;
    }

    .nav-toggle {
        display: flex;
    }

    .primary-nav {
        display: none;
        position: absolute;
        top: 78px;
        left: 0;
        right: 0;
        background-color: var(--color-surface);
        border-bottom: 2px solid var(--color-primary);
        flex-direction: column;
        align-items: stretch;
        padding: 1.25rem;
        box-shadow: var(--shadow-md);
    }

    .primary-nav.is-open {
        display: flex;
    }

    .nav-list {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }

    .grid-2,
    .grid-3,
    .grid-4,
    .footer-grid,
    .hero-metrics {
        grid-template-columns: 1fr;
    }

    .article-content {
        padding: 1.5rem;
    }

    .author-box {
        flex-direction: column;
    }
}