/* Medicare Learn — educación, mega-menú, tipografía legible (inspirado en accesibilidad Humana/Medicare.gov) */

:root {
    --mc-learn-font-size: 1.1875rem;
    --mc-learn-line: 1.65;
    --mc-nav-height: 4.25rem;
}

.mc-body--learn {
    --mc-topbar-offset: 4.25rem;
}

/* ——— Navegación principal ——— */
.mc-primary-nav {
    display: flex;
    align-items: center;
    flex: 1 1 auto;
    justify-content: center;
    min-width: 0;
}

.mc-nav-toggle {
    display: none;
    align-items: center;
    gap: .5rem;
    min-height: 48px;
    padding: .5rem .85rem;
    border: 2px solid var(--mc-border);
    border-radius: var(--mc-radius);
    background: #fff;
    font: inherit;
    font-weight: 700;
    cursor: pointer;
}

.mc-nav-toggle-bar {
    display: block;
    width: 1.25rem;
    height: 3px;
    background: var(--mc-blue-dark);
    border-radius: 2px;
}

.mc-nav-panel {
    display: flex;
    align-items: center;
    gap: .15rem .5rem;
    flex-wrap: wrap;
}

.mc-topbar .mc-nav-link {
    font-size: .98rem;
    padding: .45rem .65rem;
}

.mc-nav-link {
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    min-height: 48px;
    padding: .5rem .85rem;
    border: 0;
    background: transparent;
    color: var(--mc-blue-dark);
    font: inherit;
    font-size: 1.05rem;
    font-weight: 700;
    text-decoration: none;
    border-radius: var(--mc-radius);
    cursor: pointer;
}

.mc-nav-link:hover,
.mc-nav-link:focus-visible {
    background: var(--mc-blue-soft);
    outline: 3px solid var(--mc-focus);
    outline-offset: 2px;
}

.mc-nav-link--secondary {
    color: var(--mc-muted);
}

.mc-nav-chevron {
    font-size: .75rem;
    opacity: .8;
}

.mc-nav-item--mega {
    position: relative;
}

.mc-nav-item--dropdown {
    position: relative;
}

.mc-nav-dropdown {
    position: absolute;
    left: 0;
    top: calc(100% + .35rem);
    z-index: 500;
    min-width: 12.5rem;
    margin: 0;
    padding: .35rem 0;
    list-style: none;
    background: #fff;
    border: 2px solid var(--mc-border);
    border-radius: var(--mc-radius);
    box-shadow: 0 12px 32px rgba(0, 0, 0, .12);
}

.mc-nav-dropdown a {
    display: block;
    padding: .65rem 1rem;
    color: var(--mc-blue-dark);
    font-weight: 700;
    font-size: 1rem;
    text-decoration: none;
}

.mc-nav-dropdown a:hover,
.mc-nav-dropdown a:focus-visible,
.mc-nav-dropdown a.is-active {
    background: var(--mc-blue-soft);
    outline: none;
}

/* Mega-menú desktop — portal en body + centrado en viewport (sin transform) */
.mc-learn-mega[hidden] {
    display: none !important;
}

@media (min-width: 961px) {
    .mc-learn-mega {
        position: fixed;
        top: var(--mc-topbar-offset, 4.25rem);
        left: 0;
        right: 0;
        width: min(1100px, calc(100vw - 1.5rem));
        margin-inline: auto;
        z-index: 650;
        max-height: calc(100vh - var(--mc-topbar-offset, 4.25rem) - 1rem);
        overflow-y: auto;
        overflow-x: hidden;
        background: #fff;
        border: 2px solid var(--mc-border);
        border-radius: var(--mc-radius);
        box-shadow: 0 16px 48px rgba(0, 0, 0, .14);
        padding: 1.25rem 0 1.5rem;
    }

    .mc-mega-backdrop {
        position: fixed;
        inset: 0;
        z-index: 640;
        background: rgba(27, 27, 27, .28);
        cursor: default;
    }

    .mc-mega-backdrop[hidden] {
        display: none !important;
    }

    .mc-body.mc-mega-open {
        overflow-x: visible;
    }
}

.mc-topbar {
    position: sticky;
    top: 0;
    z-index: 500;
}

.mc-learn-mega-inner {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.25rem 1.5rem;
}

.mc-learn-mega-col--cta {
    background: var(--mc-blue-soft);
    border-radius: var(--mc-radius);
    padding: 1rem 1.15rem;
}

.mc-learn-mega-title {
    margin: 0 0 .65rem;
    font-size: 1rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: .04em;
    color: var(--mc-blue-dark);
}

.mc-learn-mega-title a {
    color: inherit;
    text-decoration: none;
}

.mc-learn-mega-title a:hover {
    text-decoration: underline;
}

.mc-learn-mega-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.mc-learn-mega-list li + li {
    margin-top: .35rem;
}

.mc-learn-mega-list a {
    display: block;
    padding: .35rem 0;
    color: var(--mc-text);
    font-size: .98rem;
    font-weight: 600;
    line-height: 1.35;
    text-decoration: none;
}

.mc-learn-mega-list a:hover,
.mc-learn-mega-list a.is-active {
    color: var(--mc-blue);
    text-decoration: underline;
}

.mc-learn-mega-cta {
    margin-top: 1rem;
    width: 100%;
}

/* ——— Footer ——— */
.mc-site-footer {
    background: var(--mc-blue-dark);
    color: #fff;
    padding: 2.5rem 0 1.5rem;
    margin-top: 2rem;
}

.mc-footer-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.5rem 2rem;
    margin-bottom: 2rem;
}

.mc-footer-title {
    margin: 0 0 .65rem;
    font-size: 1.15rem;
    font-weight: 800;
}

.mc-footer-text {
    margin: 0 0 .5rem;
    font-size: 1.05rem;
    line-height: 1.5;
    opacity: .92;
}

.mc-footer-text a {
    color: #fff;
    font-weight: 700;
}

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

.mc-footer-links a {
    display: inline-block;
    padding: .3rem 0;
    color: #fff;
    font-size: 1.05rem;
    font-weight: 600;
    text-decoration: underline;
    text-underline-offset: 3px;
}

.mc-footer-legal {
    border-top: 1px solid rgba(255, 255, 255, .2);
    padding-top: 1.25rem;
    font-size: .95rem;
    line-height: 1.55;
    opacity: .9;
}

.mc-footer-legal a {
    color: #fff;
    font-weight: 700;
}

.mc-footer-copy {
    margin: 1rem 0 0;
    font-size: .9rem;
    opacity: .75;
}

/* ——— Learn layout ——— */
.mc-main--learn {
    padding-top: 0;
}

.mc-learn {
    padding: 1.5rem 0 2.5rem;
}

.mc-learn-hero {
    max-width: 48rem;
    margin-bottom: 2.5rem;
}

.mc-learn-eyebrow {
    margin: 0 0 .5rem;
    font-size: 1rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: .05em;
    color: var(--mc-blue);
}

.mc-learn-title {
    margin: 0 0 .75rem;
    font-size: clamp(1.85rem, 4.5vw, 2.65rem);
    line-height: 1.15;
    font-weight: 800;
    color: var(--mc-blue-dark);
}

.mc-learn-lead {
    margin: 0 0 1.25rem;
    font-size: var(--mc-learn-font-size);
    line-height: var(--mc-learn-line);
    color: var(--mc-text);
    max-width: 42rem;
}

.mc-learn-hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: .65rem;
}

.mc-learn-layout {
    display: grid;
    grid-template-columns: minmax(0, 260px) minmax(0, 1fr);
    gap: 2rem 2.5rem;
    align-items: start;
}

.mc-learn-sidebar {
    position: sticky;
    top: calc(var(--mc-topbar-offset) + 1rem);
    max-height: calc(100vh - var(--mc-topbar-offset) - 2rem);
    overflow: auto;
}

.mc-learn-sidebar-nav {
    background: #fff;
    border: 2px solid var(--mc-border);
    border-radius: var(--mc-radius);
    padding: 1rem 1.1rem 1.25rem;
}

.mc-learn-sidebar-title {
    margin: 0 0 .85rem;
    font-size: 1.1rem;
    font-weight: 800;
}

.mc-learn-sidebar-title a {
    color: var(--mc-blue-dark);
    text-decoration: none;
}

.mc-learn-sidebar-group {
    margin-bottom: .5rem;
    border-bottom: 1px solid var(--mc-border);
    padding-bottom: .5rem;
}

.mc-learn-sidebar-group summary {
    cursor: pointer;
    font-weight: 700;
    font-size: 1rem;
    padding: .45rem 0;
    color: var(--mc-blue-dark);
}

.mc-learn-sidebar-group ul {
    list-style: none;
    margin: 0;
    padding: 0 0 .5rem;
}

.mc-learn-sidebar-group a {
    display: block;
    padding: .35rem 0 .35rem .5rem;
    font-size: .95rem;
    font-weight: 600;
    color: var(--mc-text);
    text-decoration: none;
    border-left: 3px solid transparent;
}

.mc-learn-sidebar-group a:hover,
.mc-learn-sidebar-group a.is-active {
    color: var(--mc-blue);
    border-left-color: var(--mc-blue);
}

.mc-learn-sidebar-extra {
    margin: .85rem 0 1rem;
    font-weight: 700;
}

.mc-learn-sidebar-extra a.is-active {
    color: var(--mc-blue);
}

/* Breadcrumbs */
.mc-breadcrumbs ol {
    display: flex;
    flex-wrap: wrap;
    gap: .35rem .5rem;
    list-style: none;
    margin: 0 0 1.25rem;
    padding: 0;
    font-size: .95rem;
    font-weight: 600;
}

.mc-breadcrumbs li:not(:last-child)::after {
    content: '›';
    margin-left: .5rem;
    color: var(--mc-muted);
}

.mc-breadcrumbs a {
    color: var(--mc-blue);
    text-decoration: none;
}

.mc-breadcrumbs a:hover {
    text-decoration: underline;
}

.mc-breadcrumbs [aria-current="page"] {
    color: var(--mc-muted);
}

/* Hub cards */
.mc-learn-hub-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.mc-learn-hub-card {
    background: #fff;
    border: 2px solid var(--mc-border);
    border-radius: var(--mc-radius);
    padding: 1.25rem 1.35rem;
}

.mc-learn-hub-card-title {
    margin: 0 0 .45rem;
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--mc-blue-dark);
}

.mc-learn-hub-card-desc {
    margin: 0 0 1rem;
    font-size: 1.05rem;
    line-height: 1.5;
    color: var(--mc-muted);
}

.mc-learn-hub-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.mc-learn-hub-list li + li {
    margin-top: .65rem;
    padding-top: .65rem;
    border-top: 1px solid #eee;
}

.mc-learn-hub-list a {
    display: block;
    text-decoration: none;
    color: inherit;
}

.mc-learn-hub-list strong {
    display: block;
    font-size: 1.05rem;
    color: var(--mc-blue-dark);
    margin-bottom: .2rem;
}

.mc-learn-hub-list span {
    display: block;
    font-size: .95rem;
    color: var(--mc-muted);
    line-height: 1.4;
}

.mc-learn-hub-list a:hover strong {
    color: var(--mc-blue);
    text-decoration: underline;
}

.mc-learn-official {
    background: var(--mc-blue-soft);
    border-radius: var(--mc-radius);
    padding: 1.25rem 1.5rem;
}

.mc-learn-official-title {
    margin: 0 0 .65rem;
    font-size: 1.15rem;
    font-weight: 800;
}

.mc-learn-official-list {
    margin: 0;
    padding-left: 1.25rem;
    font-size: 1.05rem;
    line-height: 1.55;
}

/* Prose — lectura larga accesible */
.mc-prose,
.mc-learn-body {
    font-size: var(--mc-learn-font-size);
    line-height: var(--mc-learn-line);
    color: var(--mc-text);
    max-width: 46rem;
}

.mc-prose h2,
.mc-learn-body h2 {
    margin: 2rem 0 .85rem;
    font-size: clamp(1.35rem, 3vw, 1.65rem);
    line-height: 1.25;
    font-weight: 800;
    color: var(--mc-blue-dark);
}

.mc-prose h3,
.mc-learn-body h3 {
    margin: 1.5rem 0 .65rem;
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--mc-blue-dark);
}

.mc-prose p,
.mc-learn-body p {
    margin: 0 0 1.15rem;
}

.mc-prose ul,
.mc-prose ol,
.mc-learn-body ul,
.mc-learn-body ol {
    margin: 0 0 1.25rem;
    padding-left: 1.5rem;
}

.mc-prose li,
.mc-learn-body li {
    margin-bottom: .55rem;
}

.mc-learn-callout {
    margin: 1.5rem 0;
    padding: 1rem 1.15rem;
    background: #fff8e6;
    border-left: 4px solid var(--mc-focus);
    border-radius: 0 var(--mc-radius) var(--mc-radius) 0;
    font-size: 1.05rem;
}

.mc-learn-callout p:last-child {
    margin-bottom: 0;
}

.mc-learn-source {
    margin: 2rem 0 1.5rem;
    padding: 1rem 1.15rem;
    background: var(--mc-blue-soft);
    border-radius: var(--mc-radius);
}

.mc-learn-source-title {
    margin: 0 0 .5rem;
    font-size: 1rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: .04em;
    color: var(--mc-blue-dark);
}

.mc-learn-source a {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--mc-blue);
}

.mc-learn-article-footer {
    margin: 2rem 0;
    padding-top: 1.5rem;
    border-top: 2px solid var(--mc-border);
}

.mc-learn-related {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--mc-border);
}

.mc-learn-related-title {
    margin: 0 0 .75rem;
    font-size: 1.2rem;
    font-weight: 800;
}

.mc-learn-related-list {
    margin: 0;
    padding-left: 1.25rem;
    font-size: 1.05rem;
    line-height: 1.55;
}

.mc-learn-related-list a {
    color: var(--mc-blue);
    font-weight: 700;
}

/* Glosario índice */
.mc-glossary-index {
    display: grid;
    gap: 1.25rem;
}

.mc-glossary-term {
    background: #fff;
    border: 1px solid var(--mc-border);
    border-radius: var(--mc-radius);
    padding: 1.15rem 1.25rem;
}

.mc-glossary-term-title {
    margin: 0 0 .5rem;
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--mc-blue-dark);
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: .35rem;
}

.mc-glossary-term-def {
    margin: 0 0 .5rem;
    font-size: 1.05rem;
    line-height: 1.55;
}

.mc-glossary-term-source {
    margin: 0;
    font-size: .95rem;
}

.mc-glossary-term-source a {
    color: var(--mc-blue);
    font-weight: 700;
}

/* ——— Responsive ——— */
@media (max-width: 960px) {
    .mc-topbar-inner {
        flex-wrap: wrap;
    }

    .mc-nav-toggle {
        display: inline-flex;
    }

    .mc-primary-nav {
        order: 3;
        flex: 1 1 100%;
        justify-content: flex-end;
    }

    .mc-nav-panel {
        display: none;
        flex-direction: column;
        align-items: stretch;
        width: 100%;
        padding: .75rem 0 0;
    }

    .mc-nav-panel.is-open {
        display: flex;
    }

    .mc-nav-link {
        width: 100%;
        justify-content: flex-start;
    }

    .mc-learn-mega {
        position: static;
        transform: none;
        width: 100%;
        max-height: none;
        overflow-y: visible;
        box-shadow: none;
        border: 0;
        padding: .5rem 0 0 .5rem;
    }

    .mc-learn-mega-inner {
        grid-template-columns: 1fr;
    }

    .mc-learn-mega[hidden] {
        display: none !important;
    }

    .mc-nav-dropdown {
        position: static;
        width: 100%;
        box-shadow: none;
        border: 0;
        padding: .35rem 0 .35rem .75rem;
    }

    .mc-nav-dropdown[hidden] {
        display: none !important;
    }

    .mc-learn-layout {
        grid-template-columns: 1fr;
    }

    .mc-learn-sidebar {
        position: static;
        max-height: none;
    }

    .mc-learn-hub-grid {
        grid-template-columns: 1fr;
    }

    .mc-footer-grid {
        grid-template-columns: 1fr;
    }

    body.mc-nav-open {
        overflow: hidden;
    }
}

@media (max-width: 600px) {
    .mc-learn-title {
        font-size: 1.65rem;
    }

    .mc-learn-hero-actions .mc-btn {
        flex: 1 1 100%;
    }
}