/*
 * Navegación contextual compartida de la web pública.
 *
 * .afa-hero-topics reúne el hero/slide y .topic-nav en una sola unidad.
 * La altura total se controla desde hero-alignment.css; la navegación ocupa
 * su franja inferior y el hero utiliza solamente el espacio restante.
 */

:root {
    --afa-topic-nav-bg: #001C2B;
    --afa-topic-nav-color: #FAFCFC;
    --afa-topic-nav-border: rgba(115, 229, 226, 0.24);
    --afa-topic-nav-chip-bg: rgba(250, 252, 252, 0.07);
    --afa-topic-nav-chip-border: rgba(250, 252, 252, 0.22);
    --afa-topic-nav-chip-hover: #73E5E2;
    --afa-topic-nav-focus: #FFA466;
}

.afa-hero-topics {
    box-sizing: border-box;
    display: grid;
    grid-template-rows: minmax(0, 1fr) auto;
    width: 100%;
    min-width: 0;
    overflow: hidden;
}

.afa-hero-topics > :first-child {
    min-width: 0;
    min-height: 0;
}

.topic-nav {
    position: relative;
    z-index: 5;
    box-sizing: border-box;
    min-width: 0;
    padding: 0.85rem 0;
    border-top: 1px solid var(--afa-topic-nav-border);
    border-bottom: 1px solid var(--afa-topic-nav-border);
    background: var(--afa-topic-nav-bg);
    color: var(--afa-topic-nav-color);
}

.topic-nav__inner {
    width: calc(100% - 2rem);
    max-width: 1180px;
    margin-inline: auto;
}

.topic-nav ul {
    display: flex;
    gap: 0.55rem;
    align-items: center;
    margin: 0;
    padding: 0.15rem 0;
    overflow-x: auto;
    overscroll-behavior-inline: contain;
    list-style: none;
    scrollbar-width: thin;
    scrollbar-color: var(--afa-topic-nav-chip-border) transparent;
    scroll-snap-type: inline proximity;
}

.topic-nav li {
    flex: 0 0 auto;
    margin: 0;
    padding: 0;
    scroll-snap-align: start;
}

.topic-nav a {
    display: inline-flex;
    min-height: 44px;
    align-items: center;
    justify-content: center;
    padding: 0.62rem 0.9rem;
    border: 1px solid var(--afa-topic-nav-chip-border);
    border-radius: 999px;
    background: var(--afa-topic-nav-chip-bg);
    color: inherit;
    font-family: "Raleway", "Segoe UI", Arial, sans-serif;
    font-size: 0.8rem;
    font-weight: 800;
    line-height: 1.2;
    text-align: center;
    text-decoration: none;
    white-space: nowrap;
    transition: border-color 180ms ease, background-color 180ms ease, color 180ms ease, transform 180ms ease;
}

.topic-nav a:hover,
.topic-nav a[aria-current="location"] {
    border-color: var(--afa-topic-nav-chip-hover);
    background: color-mix(in srgb, var(--afa-topic-nav-chip-hover) 14%, transparent);
    color: var(--afa-topic-nav-chip-hover);
    transform: translateY(-1px);
}

.topic-nav a:focus-visible {
    outline: 3px solid var(--afa-topic-nav-focus);
    outline-offset: 3px;
}

/* Las secciones enlazadas no deben quedar ocultas bajo el header global. */
[id].afa-topic-target,
.topic-nav + [id] {
    scroll-margin-top: calc(var(--afa-global-header-height, 90px) + 1rem);
}

@media (max-width: 640px) {
    .topic-nav {
        padding-block: 0.7rem;
    }

    .topic-nav__inner {
        width: calc(100% - 1.25rem);
    }

    .topic-nav a {
        min-height: 44px;
        padding-inline: 0.82rem;
        font-size: 0.76rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .topic-nav a {
        transition: none;
    }
}

@media (forced-colors: active) {
    .topic-nav {
        border-color: CanvasText;
        background: Canvas;
        color: CanvasText;
    }

    .topic-nav a {
        border-color: ButtonText;
        background: ButtonFace;
        color: ButtonText;
    }
}

@media print {
    .afa-hero-topics {
        display: block;
        height: auto !important;
        min-height: 0 !important;
        max-height: none !important;
        overflow: visible;
    }

    .topic-nav {
        display: none !important;
    }
}