.home-page {
    max-width: 56rem;
    margin: 0 auto;
}

.home-hero {
    text-align: center;
    padding: var(--space-2xl) 0 var(--space-xl);
}

.home-hero__title,
.page-title {
    margin: 0 0 var(--space-sm);
    font-family: var(--font-display);
    font-size: var(--font-size-3xl);
    font-weight: 600;
    letter-spacing: -0.01em;
    line-height: var(--leading-tight);
}

.home-hero__lead,
.page-lead {
    margin: 0 0 var(--space-xl);
    color: var(--text-secondary);
    font-size: 1.05rem;
}

.section-heading {
    margin-bottom: var(--space-lg);
}

.section-heading h2 {
    margin: 0 0 var(--space-xs);
    font-size: 1.25rem;
}

.section-heading p {
    margin: 0;
    color: var(--text-secondary);
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-md);
}

.category-card {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-sm);
    min-height: 11rem;
    padding: var(--space-lg);
    border: 1px solid var(--line-subtle);
    border-radius: var(--radius-md);
    background: var(--surface-card);
    color: var(--text-primary);
    box-shadow: var(--shadow-sm);
    cursor: pointer;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.category-card:hover {
    border-color: color-mix(in srgb, var(--brand) 45%, var(--line-subtle));
    box-shadow: var(--shadow-md);
}

.category-card .category-glyph {
    width: 1.75rem;
    height: 1.75rem;
}

.category-card__image {
    width: 1.75rem;
    height: 1.75rem;
    object-fit: contain;
}

.category-card__title {
    margin: 0;
    font-size: 1.05rem;
    font-weight: 650;
}

.category-card__text {
    margin: 0;
    flex: 1;
    color: var(--text-secondary);
    font-size: 0.92rem;
}

.category-card__link {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    color: var(--brand);
    font-size: 0.875rem;
    font-weight: 600;
}

.home-cta {
    display: flex;
    justify-content: center;
    margin: var(--space-2xl) 0 var(--space-lg);
}

.button-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.65rem 1rem;
    border: 1px solid var(--line-subtle);
    border-radius: var(--radius-md);
    background: var(--surface-muted);
    color: var(--text-primary);
    font-weight: 600;
    cursor: pointer;
    transition: background-color var(--transition), border-color var(--transition);
}

.button-secondary:hover {
    background: var(--surface-card);
    border-color: var(--brand);
    color: var(--text-primary);
}

.text-button {
    background: none;
    border: 0;
    padding: 0 0.2rem;
    color: var(--brand);
    cursor: pointer;
    font: inherit;
}

.docs-search {
    width: min(100%, 28rem);
}

.doc-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.doc-row {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    padding: var(--space-md) var(--space-lg);
    border: 1px solid var(--line-subtle);
    border-radius: var(--radius-md);
    background: var(--surface-card);
    color: var(--text-primary);
    transition: border-color var(--transition), box-shadow var(--transition);
}

.doc-row:hover {
    border-color: color-mix(in srgb, var(--brand) 40%, var(--line-subtle));
    box-shadow: var(--shadow-sm);
    color: var(--text-primary);
}

.doc-row__title {
    font-weight: 650;
}

.doc-row__meta,
.doc-row__excerpt {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.doc-row__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35em;
}

.doc-article {
    max-width: var(--reading-max-width);
}

/* The browser PDF viewer fits the page to its width, so only the PDF surface leaves the reading width. */
.doc-article--pdf {
    max-width: none;
}

.doc-article--pdf .breadcrumb,
.doc-article--pdf .page-header,
.doc-article--pdf .chip-row {
    max-width: var(--reading-max-width);
}

.breadcrumb {
    display: flex;
    gap: 0.4rem;
    margin-bottom: var(--space-md);
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.chip-row {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    list-style: none;
    margin: 0 0 var(--space-lg);
    padding: 0;
}

.chip {
    display: inline-flex;
    padding: 0.2rem 0.55rem;
    border-radius: var(--radius-pill);
    background: var(--surface-muted);
    color: var(--text-primary);
    font-size: 0.8rem;
}

.chip:hover {
    color: var(--brand);
}

.doc-surface {
    border: 1px solid var(--line-subtle);
    border-radius: var(--radius-md);
    background: var(--surface-card);
    padding: var(--space-lg);
}

.doc-surface--pdf {
    padding: 0;
    overflow: hidden;
}

.doc-pdf {
    display: block;
    width: 100%;
    height: 70vh;
    border: 0;
}

.doc-surface--pdf.is-resizing .doc-pdf {
    pointer-events: none;
}

.doc-pdf__resize {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 0.875rem;
    border-top: 1px solid var(--line-subtle);
    background: var(--surface-muted);
    cursor: ns-resize;
    touch-action: none;
    user-select: none;
}

.doc-pdf__grip {
    width: 2.5rem;
    height: 0.25rem;
    border-radius: 999px;
    background: var(--line-strong);
}

.doc-pdf__resize:hover,
.doc-surface--pdf.is-resizing .doc-pdf__resize {
    background: var(--surface-hover);
}

.doc-pdf__resize:hover .doc-pdf__grip,
.doc-surface--pdf.is-resizing .doc-pdf__grip {
    background: var(--brand);
}

/* The surface clips overflow, so the ring is drawn inside the control. */
.doc-pdf__resize:focus-visible {
    outline: 2px solid var(--focus-ring);
    outline-offset: -2px;
}

.doc-plaintext {
    white-space: pre-wrap;
    word-break: break-word;
    margin: 0;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    line-height: 1.55;
}

@media (max-width: 1024px) {
    .category-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 768px) {
    .category-grid {
        grid-template-columns: 1fr;
    }

    .home-hero__title,
    .page-title {
        font-size: 1.75rem;
    }
}