:root {
    --bg: #ffffff;
    --bg-alt: #f6f8fa;
    --border: #e1e4e8;
    --text: #1f2328;
    --text-muted: #57606a;
    --accent: #0969da;
    --accent-hover: #0550ae;
    --banner-bg: linear-gradient(135deg, #0a3d8f 0%, #0969da 60%, #2778d9 100%);
    --banner-text: #ffffff;
    --banner-shadow: 0 4px 14px rgba(9,105,218,0.18);
    --content-bg: #f5f7fa;
    --shadow: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
    --shadow-hover: 0 4px 12px rgba(0,0,0,0.08);
    --radius: 8px;
    --banner-h: 72px;
    --banner-h-mobile: 60px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, sans-serif;
    background: var(--content-bg);
    color: var(--text);
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
    -webkit-tap-highlight-color: rgba(9,105,218,0.15);
}

.layout { display: grid; grid-template-columns: 280px 1fr; min-height: calc(100vh - var(--banner-h)); }

/* ---------------- Banner (corporativo, todas las páginas) ---------------- */
.banner {
    display: flex;
    align-items: center;
    gap: 16px;
    position: sticky;
    top: 0;
    z-index: 8;
    background: var(--banner-bg);
    color: var(--banner-text);
    border-bottom: 0;
    height: var(--banner-h);
    padding: 0 24px;
    box-shadow: var(--banner-shadow);
}
.banner-logo {
    display: flex;
    align-items: center;
    flex-shrink: 0;
    text-decoration: none;
}
.banner-logo-img {
    height: 48px;
    width: auto;
    max-width: 160px;
    object-fit: contain;
    display: block;
}
.banner-title {
    flex: 1;
    text-align: center;
    font-size: 20px;
    font-weight: 700;
    color: var(--banner-text);
    letter-spacing: -0.01em;
    margin: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    text-shadow: 0 1px 2px rgba(0,0,0,0.15);
}
.banner-title-short { display: none; }

.menu-toggle {
    display: none;
    background: transparent;
    border: 0;
    width: 44px;
    height: 44px;
    font-size: 24px;
    cursor: pointer;
    border-radius: var(--radius);
    color: var(--banner-text);
    line-height: 1;
    flex-shrink: 0;
}
.menu-toggle:hover { background: rgba(255,255,255,0.15); }

/* Botón Home (icono casita; visible en desktop y mobile) */
.home-btn {
    background: transparent;
    border: 0;
    width: 44px;
    height: 44px;
    cursor: pointer;
    border-radius: var(--radius);
    color: var(--banner-text);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    text-decoration: none;
}
.home-btn:hover { background: rgba(255,255,255,0.15); }
.home-btn:focus-visible {
    outline: 2px solid var(--banner-text);
    outline-offset: 2px;
}

/* ---------------- Search button + modal ---------------- */
.search-toggle {
    background: transparent;
    border: 0;
    width: 44px;
    height: 44px;
    cursor: pointer;
    border-radius: var(--radius);
    color: var(--banner-text);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.search-toggle:hover { background: rgba(255,255,255,0.15); }
.search-toggle:focus-visible {
    outline: 2px solid var(--banner-text);
    outline-offset: 2px;
}

.search-modal[hidden] { display: none; }
.search-modal {
    position: fixed;
    inset: 0;
    z-index: 50;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: 80px 16px 16px;
}
.search-modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(15,23,42,0.55);
    backdrop-filter: blur(2px);
    animation: search-fade-in 0.15s ease;
}
.search-modal-box {
    position: relative;
    width: 100%;
    max-width: 640px;
    max-height: calc(100vh - 100px);
    display: flex;
    flex-direction: column;
    background: var(--bg);
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.25);
    overflow: hidden;
    animation: search-pop-in 0.18s ease;
}
@keyframes search-fade-in { from { opacity: 0; } to { opacity: 1; } }
@keyframes search-pop-in {
    from { opacity: 0; transform: translateY(-12px); }
    to { opacity: 1; transform: translateY(0); }
}

.search-modal-head {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 16px;
    border-bottom: 1px solid var(--border);
}
.search-modal-icon { color: var(--text-muted); flex-shrink: 0; }
.search-input {
    flex: 1;
    border: 0;
    outline: 0;
    background: transparent;
    font: inherit;
    font-size: 16px;
    color: var(--text);
    padding: 4px 0;
    min-width: 0;
}
.search-input::placeholder { color: var(--text-muted); }
.search-modal-close {
    background: var(--bg-alt);
    border: 0;
    width: 32px;
    height: 32px;
    border-radius: 6px;
    cursor: pointer;
    color: var(--text-muted);
    font-size: 16px;
    line-height: 1;
    flex-shrink: 0;
}
.search-modal-close:hover { background: var(--border); color: var(--text); }

.search-results {
    flex: 1;
    overflow-y: auto;
    padding: 6px 8px 8px;
}
.search-result {
    display: block;
    padding: 10px 14px;
    border-radius: 8px;
    color: var(--text);
    text-decoration: none;
    transition: background 0.1s ease;
}
.search-result + .search-result { margin-top: 2px; }
.search-result:hover,
.search-result.active {
    background: rgba(9,105,218,0.10);
    color: var(--accent);
}
.search-result-head {
    display: flex;
    align-items: baseline;
    gap: 10px;
}
.search-result-tag {
    font-weight: 600;
    font-size: 15px;
}
.search-result-cat {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-muted);
}
.search-result.active .search-result-cat { color: var(--accent); }
.search-result-preview {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 2px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.search-result mark {
    background: rgba(255,212,0,0.45);
    color: inherit;
    padding: 0 1px;
    border-radius: 2px;
}

.search-empty {
    padding: 24px 16px;
    text-align: center;
    color: var(--text-muted);
    font-size: 14px;
}

.search-hint {
    padding: 10px 16px;
    border-top: 1px solid var(--border);
    font-size: 12px;
    color: var(--text-muted);
    text-align: right;
}
.search-hint kbd {
    background: var(--bg-alt);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 2px 6px;
    font-family: -apple-system, monospace;
    font-size: 11px;
    color: var(--text);
}

body.search-open { overflow: hidden; }

/* ---------------- Galería / lightbox ---------------- */
.gallery-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--bg-alt);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--accent);
    font: inherit;
    font-size: 14px;
    font-weight: 600;
    padding: 6px 14px 6px 6px;  /* asimétrico: izq compensa el thumb */
    margin-bottom: 16px;
    cursor: pointer;
    transition: background 0.12s ease, border-color 0.12s ease;
    line-height: 1.4;
    min-height: 44px;  /* alto fijo para que el thumb no haga crecer el botón */
}
.gallery-btn-thumb {
    width: 32px;
    height: 32px;
    border-radius: 4px;
    object-fit: cover;
    flex-shrink: 0;
    background: var(--bg);
    border: 1px solid var(--border);
    display: block;
}
.gallery-btn-label {
    flex-shrink: 0;
}
.gallery-btn:hover {
    background: rgba(9,105,218,0.08);
    border-color: var(--accent);
}
.gallery-btn:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

.lightbox[hidden] { display: none; }
.lightbox {
    position: fixed;
    inset: 0;
    z-index: 60;
    display: flex;
    align-items: center;
    justify-content: center;
}
.lightbox-overlay {
    position: absolute;
    inset: 0;
    background: rgba(15,23,42,0.92);
    animation: search-fade-in 0.15s ease;
}
.lightbox-figure {
    position: relative;
    margin: 0;
    max-width: 92vw;
    max-height: calc(100vh - 80px);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    animation: search-pop-in 0.2s ease;
}
.lightbox-img {
    max-width: 92vw;
    max-height: calc(100vh - 140px);
    object-fit: contain;
    border-radius: 6px;
    box-shadow: 0 12px 40px rgba(0,0,0,0.6);
    background: #ffffff;
}
.lightbox-caption {
    color: rgba(255,255,255,0.9);
    font-size: 14px;
    font-weight: 500;
    text-align: center;
    max-width: 92vw;
}
.lightbox-close,
.lightbox-prev,
.lightbox-next {
    position: absolute;
    background: rgba(255,255,255,0.1);
    border: 0;
    color: white;
    cursor: pointer;
    transition: background 0.12s ease, transform 0.12s ease;
    z-index: 1;
    line-height: 1;
}
.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover {
    background: rgba(255,255,255,0.25);
}
.lightbox-close {
    top: 16px;
    right: 16px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    font-size: 22px;
}
.lightbox-prev,
.lightbox-next {
    top: 50%;
    transform: translateY(-50%);
    width: 52px;
    height: 52px;
    border-radius: 50%;
    font-size: 38px;
    font-weight: 300;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-bottom: 4px;  /* corrección visual del chevron */
}
.lightbox-prev { left: 24px; }
.lightbox-next { right: 24px; }
.lightbox-prev:hover,
.lightbox-next:hover {
    transform: translateY(-50%) scale(1.05);
}
.lightbox.single .lightbox-prev,
.lightbox.single .lightbox-next,
.lightbox.single .lightbox-counter { display: none; }
.lightbox-counter {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(255,255,255,0.12);
    color: white;
    padding: 6px 14px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 500;
}
body.lightbox-open { overflow: hidden; }

.sidebar-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.45);
    z-index: 9;
    opacity: 0;
    transition: opacity 0.2s ease;
}
.sidebar-backdrop.show { display: block; opacity: 1; }

/* ---------------- Sidebar ---------------- */
.sidebar {
    background: var(--bg-alt);
    border-right: 1px solid var(--border);
    padding: 24px 0;
    overflow-y: auto;
    position: sticky;
    top: var(--banner-h);
    height: calc(100vh - var(--banner-h));
    display: flex;
    flex-direction: column;
}

.brand { padding: 0 24px 20px; border-bottom: 1px solid var(--border); }
.brand a { color: var(--text); text-decoration: none; }
.brand h1 { font-size: 18px; font-weight: 600; letter-spacing: -0.01em; }

.sidebar-close {
    display: none;
    background: transparent;
    border: 0;
    width: 40px;
    height: 40px;
    font-size: 20px;
    cursor: pointer;
    border-radius: 6px;
    color: var(--text-muted);
    line-height: 1;
}
.sidebar-close:hover { background: rgba(0,0,0,0.06); color: var(--text); }

.nav { flex: 1; padding: 12px 12px 8px; }
.nav-list { list-style: none; }
.nav-group { margin-bottom: 6px; }

.nav-cat-row {
    display: flex;
    align-items: center;
    gap: 4px;
}
.nav-cat {
    flex: 1;
    text-align: left;
    background: none;
    border: 0;
    padding: 10px 12px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    cursor: pointer;
    border-radius: 6px;
    font-family: inherit;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.nav-cat::after {
    content: "›";
    transform: rotate(90deg);
    transition: transform 0.2s ease;
    font-size: 18px;
    margin-left: 8px;
    color: var(--text-muted);
}
.nav-group.open .nav-cat::after { transform: rotate(-90deg); }
.nav-cat:hover { background: rgba(9,105,218,0.08); color: var(--accent); }

.nav-cat-link {
    padding: 4px 12px 8px;
    font-size: 11px;
    color: var(--accent);
    text-decoration: none;
    display: block;
}
.nav-cat-link:hover { text-decoration: underline; }

.nav-items {
    list-style: none;
    padding-left: 6px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.25s ease;
}
.nav-group.open .nav-items { max-height: 6000px; }
.nav-items li a {
    display: block;
    padding: 10px 12px;
    font-size: 14px;
    color: var(--text);
    text-decoration: none;
    border-radius: 6px;
    border-left: 2px solid transparent;
    margin-bottom: 2px;
}
.nav-items li a:hover { background: rgba(9,105,218,0.08); color: var(--accent); }
.nav-items li a.active {
    background: rgba(9,105,218,0.12);
    color: var(--accent);
    border-left-color: var(--accent);
    font-weight: 600;
}

.sidebar-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border);
    font-size: 12px;
}
.sidebar-footer a { color: var(--text-muted); text-decoration: none; }
.sidebar-footer a:hover { color: var(--accent); }

/* ---------------- Content ---------------- */
.content { padding: 48px 56px; max-width: 960px; }
.page-header { margin-bottom: 32px; padding-bottom: 24px; border-bottom: 1px solid var(--border); }
.page-header h1 {
    font-size: 32px;
    font-weight: 600;
    letter-spacing: -0.02em;
    margin-bottom: 8px;
    word-break: break-word;
}
.page-header .subtitle { color: var(--text-muted); font-size: 16px; }
.page-header .count { color: var(--text-muted); font-size: 14px; margin-top: 4px; }

.breadcrumb { font-size: 13px; color: var(--text-muted); }
.breadcrumb a { color: var(--accent); text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb span { color: var(--text); }

.external-links {
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}
.external-links h2 { font-size: 18px; margin-bottom: 16px; }
.link-list { list-style: none; display: flex; flex-wrap: wrap; gap: 12px; }
.link-btn {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    padding: 12px 20px;
    background: var(--accent);
    color: white;
    text-decoration: none;
    border-radius: var(--radius);
    font-size: 15px;
    font-weight: 500;
    transition: background 0.15s ease;
}
.link-btn:hover, .link-btn:active { background: var(--accent-hover); }

/* ---------------- Acordeones (cards colapsables) ---------------- */
.accordion {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 16px;
}

.acc-item {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.acc-item:hover { border-color: var(--accent); }
.acc-item.open { box-shadow: var(--shadow-hover); }

.acc-header {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    padding: 16px 18px;
    background: transparent;
    border: 0;
    cursor: pointer;
    text-align: left;
    font-family: inherit;
    color: var(--text);
    min-height: 56px;
}
.acc-header:hover { background: var(--bg-alt); }

.acc-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
    flex: 1;
}
.acc-meta {
    font-size: 13px;
    color: var(--text-muted);
    font-weight: 400;
    margin-right: 4px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 50%;
}
.acc-chevron {
    font-size: 22px;
    line-height: 1;
    color: var(--text-muted);
    transition: transform 0.2s ease;
    flex-shrink: 0;
}
.acc-item.open .acc-chevron { transform: rotate(90deg); color: var(--accent); }

.acc-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    padding: 0 18px;
    border-top: 1px solid transparent;
}
.acc-item.open .acc-body {
    max-height: 4000px;
    padding: 14px 18px 18px;
    border-top-color: var(--border);
}

.acc-row {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: 8px 0;
    border-bottom: 1px solid var(--border);
}
.acc-row:last-of-type { border-bottom: 0; }
.acc-row-label {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}
.acc-row-value { font-size: 14px; color: var(--text); }

.acc-list {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 6px;
    margin-bottom: 14px;
}
.acc-list li a {
    display: block;
    padding: 8px 10px;
    background: var(--bg-alt);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    text-align: center;
    transition: background 0.12s ease, border-color 0.12s ease, color 0.12s ease;
}
.acc-list li a:hover, .acc-list li a:active {
    background: rgba(9,105,218,0.08);
    border-color: var(--accent);
    color: var(--accent);
}

.acc-cta {
    display: inline-block;
    margin-top: 8px;
    color: var(--accent);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
}
.acc-cta:hover { text-decoration: underline; }

.acc-body .empty {
    color: var(--text-muted);
    font-style: italic;
    font-size: 13px;
    padding: 4px 0 8px;
}
.acc-body p {
    font-size: 15px;
    color: var(--text);
    margin-bottom: 6px;
    line-height: 1.5;
}
.acc-body p:last-child { margin-bottom: 0; }

/* ---------------- Mobile (<= 900px) ---------------- */
@media (max-width: 900px) {
    .layout { grid-template-columns: 1fr; min-height: calc(100vh - var(--banner-h-mobile)); }

    .banner {
        height: var(--banner-h-mobile);
        padding: 0 10px;
        gap: 8px;
    }
    .banner-logo-img { height: 36px; }
    .banner-title { font-size: 15px; font-weight: 700; }
    .banner-title-full { display: none; }
    .banner-title-short { display: inline; }

    .menu-toggle { display: flex; align-items: center; justify-content: center; width: 40px; height: 40px; font-size: 22px; }
    .search-toggle { width: 40px; height: 40px; }
    .search-modal { padding: 12px; align-items: flex-start; }
    .search-modal-box { max-height: calc(100dvh - 24px); border-radius: 10px; }
    .search-modal-head { padding: 10px 12px; }
    .search-input { font-size: 16px; }  /* evita zoom de iOS */

    .gallery-btn { width: 100%; justify-content: center; padding: 12px; font-size: 15px; gap: 8px; }
    .gallery-btn-thumb { width: 18px; height: 18px; border-radius: 3px; }
    .lightbox-prev,
    .lightbox-next { width: 44px; height: 44px; font-size: 32px; }
    .lightbox-prev { left: 8px; }
    .lightbox-next { right: 8px; }
    .lightbox-close { top: 12px; right: 12px; width: 40px; height: 40px; font-size: 20px; }
    .lightbox-img { max-height: calc(100dvh - 130px); }
    .lightbox-counter { bottom: 14px; font-size: 12px; padding: 5px 12px; }

    .sidebar {
        position: fixed;
        top: 0; left: 0;
        width: min(86vw, 320px);
        height: 100dvh;
        z-index: 11;
        transform: translateX(-100%);
        transition: transform 0.25s ease;
        padding: 16px 0 12px;
        box-shadow: 4px 0 16px rgba(0,0,0,0.08);
    }
    .sidebar.open { transform: translateX(0); }

    .brand {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 4px 16px 16px;
    }
    .brand h1 { font-size: 17px; }
    .sidebar-close { display: flex; align-items: center; justify-content: center; }

    .nav-items li a { padding: 12px 14px; font-size: 15px; }

    .content {
        padding: 20px 16px 40px;
        max-width: 100%;
    }
    .page-header { margin-bottom: 20px; padding-bottom: 16px; }
    .page-header h1 { font-size: 26px; }
    .page-header .subtitle { font-size: 15px; }

    .breadcrumb { font-size: 14px; margin-top: 4px; }

    .accordion { gap: 6px; margin-top: 12px; }
    .acc-header { padding: 14px 14px; min-height: 56px; }
    .acc-title { font-size: 15px; }
    .acc-meta { font-size: 12px; max-width: 45%; }
    .acc-item.open .acc-body { padding: 12px 14px 14px; }
    .acc-list { grid-template-columns: repeat(auto-fill, minmax(100px, 1fr)); gap: 6px; }
    .acc-list li a { padding: 10px 8px; font-size: 13px; min-height: 38px; display: flex; align-items: center; justify-content: center; }

    .external-links { margin-top: 24px; padding-top: 18px; }
    .link-list { flex-direction: column; gap: 10px; }
    .link-btn { width: 100%; justify-content: center; font-size: 16px; }
}

@media (max-width: 480px) {
    .banner-title { display: none; }
    .banner { justify-content: space-between; }
    .banner-logo-img { height: 32px; }
}

@media (max-width: 380px) {
    .page-header h1 { font-size: 22px; }
    .acc-meta { display: none; }
}

/* ---------------- Overrides desde site_config.json ---------------- */
:root {
    --bg: #ffffff;
    --border: #c0f4da;
    --text: #1f2328;
    --text-muted: #57606a;
    --accent: #20c975;
    --accent-hover: #189d5b;
    --banner-bg: linear-gradient(135deg, #7eeab4 0%, #20c975 60%, #1aa560 100%);
    --banner-text: #ffffff;
    --banner-shadow: 0 4px 14px rgba(32,201,117,0.25);
    --content-bg: #d6f8e7;
}