:root {
    --guias-ink: #172033;
    --guias-muted: #5d6678;
    --guias-blue: #b42318;
    --guias-blue-dark: #8f1d14;
    --guias-gold: #c2410c;
    --guias-surface: #ffffff;
    --guias-soft: #fff4e8;
}

.guias-hero,
.guias-page-header,
.guia-header {
    background: linear-gradient(135deg, #fff4e8 0%, #ffffff 58%, #f7f7f5 100%);
    color: var(--guias-ink);
    border: 1px solid rgba(180, 35, 24, .18);
}

.guias-eyebrow {
    display: inline-block;
    color: var(--guias-blue);
    font-size: .78rem;
    font-weight: 800;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.guias-empty,
.guia-card,
.guia-author,
.guia-toc,
.guia-content,
.guia-sources {
    color: var(--guias-ink);
    background: var(--guias-surface);
}

.guias-empty p {
    max-width: 42rem;
}

.guias-empty-icon {
    font-size: 3rem;
    line-height: 1;
    margin-bottom: 1rem;
}

.guias-category-card {
    padding: 1.25rem;
    border-radius: 1rem;
    background: #fff;
    color: var(--guias-ink);
    border: 1px solid rgba(180, 35, 24, .18);
    box-shadow: 0 8px 24px rgba(23, 32, 51, .08);
    transition: transform .18s ease, box-shadow .18s ease;
}

.guias-category-card:hover {
    color: var(--guias-blue-dark);
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(23, 32, 51, .13);
}

.guias-category-card strong,
.guias-category-card span {
    display: block;
}

.guias-category-card span {
    margin-top: .35rem;
    color: var(--guias-muted);
    font-size: .9rem;
}

.guia-card {
    border-radius: 1rem;
    transition: transform .18s ease, box-shadow .18s ease;
}

.guia-card:hover {
    transform: translateY(-3px);
}

.guia-card img,
.guia-cover {
    object-fit: cover;
}

.guia-card a,
.guia-author a,
.guia-toc a,
.guia-sources a,
.guias-breadcrumb a {
    color: var(--guias-blue-dark);
}

.guias-breadcrumb,
.guias-breadcrumb .active {
    color: var(--guias-muted);
}

.guia-category-badge {
    display: inline-flex;
    padding: .35rem .75rem;
    border-radius: 999px;
    background: var(--guias-blue);
    color: #fff;
    font-size: .85rem;
    font-weight: 700;
    text-decoration: none;
}

.guia-category-badge:hover {
    background: var(--guias-blue-dark);
    color: #fff;
}

.guia-dates {
    color: var(--guias-muted);
    font-size: .9rem;
}

.guia-toc ol {
    padding-left: 1.3rem;
}

.guia-toc li + li {
    margin-top: .45rem;
}

.guia-toc .toc-level-3 {
    margin-left: 1.25rem;
    font-size: .95rem;
}

.guia-content {
    font-size: 1.05rem;
    line-height: 1.75;
}

.guia-content .guia-heading {
    color: var(--guias-ink);
    scroll-margin-top: 1.5rem;
    margin-top: 2.25rem;
    margin-bottom: 1rem;
}

.guia-content > .guia-heading:first-child {
    margin-top: 0;
}

.guia-content .guia-ejemplo {
    margin: 1.5rem 0;
    padding: 1.25rem;
    border-left: 5px solid var(--guias-gold);
    border-radius: .5rem;
    background: #fff9df;
}

.guia-content .guia-formula,
.guia-content .formula-block {
    overflow-x: auto;
    margin: 1.5rem 0;
    padding: 1rem;
    border-radius: .6rem;
    background: var(--guias-soft);
    text-align: center;
}

.guia-content .formula-inline {
    white-space: nowrap;
    font-family: "Cambria Math", "Times New Roman", serif;
}

.guia-content .guia-tabla {
    margin: 1.5rem 0;
}

.guia-content .guia-codigo {
    overflow-x: auto;
    padding: 1rem;
    border-radius: .6rem;
    background: #172033;
    color: #f7f9fc;
}

@media (max-width: 575.98px) {
    .guias-hero,
    .guia-header,
    .guia-content {
        border-radius: .75rem !important;
    }

    .guia-content {
        font-size: 1rem;
    }
}