/* ===== KENNISBANK ===== */
/* Stijl van de publieke Kennisbank-sectie (issue 07). Sluit aan op
   style.css en tools.css en gebruikt dezelfde tokens; hier staat alleen wat
   daar nog niet in zit. */

.kb-intro { padding: 4rem 0 1.5rem; max-width: 640px; }
.kb-intro h1 {
    font-size: 2.5rem; font-weight: 800; color: var(--dark);
    letter-spacing: -0.03em; line-height: 1.1; margin-bottom: 0.75rem;
}
.kb-intro p { font-size: 1.05rem; color: var(--gray-500); line-height: 1.75; }

.kb-leeg { color: var(--gray-500); font-size: 0.95rem; margin-bottom: 3rem; }

/* ===== Overzicht ===== */
.kb-grid {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem;
    margin-bottom: 3.5rem;
}
.kb-card {
    display: flex; flex-direction: column;
    border: 1px solid var(--gray-200); border-radius: var(--radius-lg);
    padding: 1.5rem;
    transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}
.kb-card:hover {
    border-color: var(--gray-300);
    box-shadow: 0 8px 24px rgba(0,0,0,0.06);
    transform: translateY(-2px);
}
.kb-card-type {
    font-size: 0.72rem; font-weight: 700; color: var(--red);
    text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 0.5rem;
}
.kb-card h3, .kb-card [data-kop="h3"] {
    font-size: 1.05rem; font-weight: 700; color: var(--dark);
    margin-bottom: 0.5rem; line-height: 1.35;
}
.kb-card p {
    font-size: 0.85rem; color: var(--gray-500); line-height: 1.65;
    margin-bottom: 1.25rem; flex: 1;
}
.kb-card-link {
    font-size: 0.75rem; font-weight: 700; color: var(--red);
    text-transform: uppercase; letter-spacing: 0.06em;
}

/* ===== Detailpagina ===== */
.kb-detail { padding: 3rem 0 0; max-width: 820px; }

.kb-terug {
    display: inline-block; font-size: 0.78rem; font-weight: 600;
    color: var(--gray-500); margin-bottom: 1.5rem;
    transition: color var(--transition);
}
.kb-terug:hover { color: var(--red); }

.kb-detail h1 {
    font-size: 2.25rem; font-weight: 800; color: var(--dark);
    letter-spacing: -0.03em; line-height: 1.15; margin: 0.5rem 0 0.5rem;
}
.kb-datum { font-size: 0.8rem; color: var(--gray-400); margin-bottom: 2rem; }
.kb-ref-meta { font-size: 0.8rem; color: var(--gray-400); margin-bottom: 2rem; }

/* ===== Projectreferentie (issue 10) ===== */
.kb-ref-blok { margin-bottom: 2rem; }
.kb-ref-blok h2, .kb-ref-blok [data-kop="h2"] {
    font-size: 1.2rem; font-weight: 700; color: var(--dark);
    letter-spacing: -0.02em; margin-bottom: 0.6rem;
}
.kb-ref-blok p { font-size: 1rem; color: var(--gray-600); line-height: 1.8; }

.kb-ref-fotos {
    display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem;
    margin-bottom: 2.5rem;
}
.kb-ref-foto { margin: 0; }
.kb-ref-foto img {
    width: 100%; height: 260px; object-fit: cover;
    border-radius: var(--radius-lg);
}
.kb-ref-foto figcaption {
    font-size: 0.78rem; color: var(--gray-400); margin-top: 0.4rem;
}

.kb-kort-antwoord {
    border-left: 3px solid var(--red);
    background: var(--red-light);
    border-radius: 0 var(--radius) var(--radius) 0;
    padding: 1.25rem 1.5rem;
    margin-bottom: 2.5rem;
}
.kb-kort-antwoord p { font-size: 1rem; color: var(--gray-700); line-height: 1.7; font-weight: 500; }

.kb-body { font-size: 1rem; color: var(--gray-600); line-height: 1.8; margin-bottom: 3rem; }
.kb-body h2, .kb-body [data-kop="h2"] {
    font-size: 1.4rem; font-weight: 700; color: var(--dark);
    letter-spacing: -0.02em; margin: 2.25rem 0 1rem;
}
.kb-body h3, .kb-body [data-kop="h3"] { font-size: 1.1rem; font-weight: 700; color: var(--dark); margin: 1.75rem 0 0.75rem; }
.kb-body p { margin-bottom: 1rem; }
.kb-body ul { margin: 0 0 1rem 1.25rem; }
.kb-body li { margin-bottom: 0.4rem; }
.kb-body a { color: var(--red); text-decoration: underline; }
.kb-body .spec-table-wrap,
.kb-body table.spec-table { width: 100%; margin-bottom: 1.5rem; }
.kb-body table.spec-table th { text-align: left; font-size: 0.78rem; color: var(--gray-500); }
.kb-body table.spec-table td { font-size: 0.9rem; }

.kb-producten { margin-bottom: 3rem; }
.kb-producten h2, .kb-producten [data-kop="h2"] { font-size: 1.2rem; font-weight: 700; color: var(--dark); margin-bottom: 1rem; }
.kb-product-links { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.kb-product-link {
    font-size: 0.85rem; font-weight: 600; color: var(--dark);
    border: 1px solid var(--gray-200); border-radius: var(--radius);
    padding: 0.5rem 1rem; transition: border-color var(--transition), color var(--transition);
}
.kb-product-link:hover { border-color: var(--red); color: var(--red); }

.kb-faq { margin-bottom: 3rem; }
.kb-faq h2, .kb-faq [data-kop="h2"] { font-size: 1.2rem; font-weight: 700; color: var(--dark); margin-bottom: 1rem; }
.kb-faq-item {
    border-bottom: 1px solid var(--gray-200); padding: 1rem 0;
}
.kb-faq-item summary {
    font-size: 0.95rem; font-weight: 600; color: var(--dark); cursor: pointer;
}
.kb-faq-item p { font-size: 0.9rem; color: var(--gray-500); line-height: 1.7; margin-top: 0.75rem; }

@media (max-width: 900px) {
    .kb-grid { grid-template-columns: 1fr; }
    .kb-ref-fotos { grid-template-columns: 1fr; }
}