:root {
    --bg: #faf8f4;
    --text: #1d1f1e;
    --muted: #6b6f6c;
    --accent: #c8451f;
    --accent-dark: #a33816;
    --dark: #1d1f1e;
    --font: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font: 17px/1.6 var(--font); color: var(--text); background: var(--bg); }
.container { width: min(1100px, 100% - 2rem); margin-inline: auto; }
.muted { color: var(--muted); }

.site-header { position: sticky; top: 0; z-index: 10; background: rgba(250, 248, 244, .92); backdrop-filter: blur(8px); border-bottom: 1px solid #e8e4dc; }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: .9rem 0; }
.brand { font-weight: 800; text-decoration: none; color: var(--text); letter-spacing: -.01em; }
.site-nav { display: flex; gap: 1.2rem; }
.site-nav a { color: var(--text); text-decoration: none; font-weight: 500; }
.site-nav a:hover { color: var(--accent); }

.hero { background: var(--dark); color: #fff; padding: clamp(4rem, 14vh, 9rem) 0; }
.hero h1 { font-size: clamp(2.2rem, 6vw, 4.2rem); line-height: 1.05; margin: 0 0 1rem; letter-spacing: -.02em; }
.hero .lead { font-size: 1.2rem; max-width: 34ch; color: #d9d6cf; margin: 0 0 2rem; }
.eyebrow { text-transform: uppercase; letter-spacing: .12em; font-size: .8rem; color: #f0a283; margin: 0 0 1rem; }

.button { display: inline-block; padding: .8rem 1.4rem; border-radius: 99px; background: var(--accent); color: #fff; text-decoration: none; font-weight: 600; }
.button:hover { background: var(--accent-dark); }

.section { padding: 4rem 0; }
.section h2 { font-size: 1.8rem; margin: 0 0 .5rem; }

.site-footer { background: var(--dark); color: #d9d6cf; padding: 2.5rem 0; font-size: .95rem; }
.site-footer .container { display: flex; flex-wrap: wrap; gap: .5rem 1.5rem; align-items: baseline; }
.site-footer strong { color: #fff; }

@media (max-width: 600px) {
    .site-nav { gap: .8rem; font-size: .95rem; }
}

/* ---- Catalogus ---- */
.page-head { padding: 3rem 0 1rem; }
.page-head h1 { font-size: clamp(2rem, 5vw, 3rem); margin: 0 0 .3rem; letter-spacing: -.02em; }
.section-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 1rem; margin-bottom: 1.5rem; flex-wrap: wrap; }
.section-head p { margin: .3rem 0 0; }
.link-arrow { color: var(--accent); font-weight: 600; text-decoration: none; }

.catalog { padding-top: 1rem; }
.catalog-layout { display: grid; grid-template-columns: 220px 1fr; gap: 2.5rem; align-items: start; }
.catalog-filters { display: grid; gap: 1.5rem; position: sticky; top: 5rem; }
.filter-group h2 { font-size: .8rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); margin: 0 0 .5rem; }
.filter-group a { display: block; padding: .25rem 0; color: var(--text); text-decoration: none; }
.filter-group a:hover { color: var(--accent); }
.filter-group a.active { color: var(--accent); font-weight: 700; }

.bike-grid { display: grid; gap: 1.5rem; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
.bike-card { display: flex; flex-direction: column; background: #fff; border-radius: 14px; overflow: hidden; text-decoration: none; color: inherit; border: 1px solid #ece8e0; transition: transform .2s, box-shadow .2s; }
.bike-card:hover { transform: translateY(-3px); box-shadow: 0 14px 30px rgba(0, 0, 0, .08); }
.bike-card-image { position: relative; aspect-ratio: 4 / 3; background: #f0ede7; }
.bike-card-image img { width: 100%; height: 100%; object-fit: cover; display: block; }
.no-photo { display: grid; place-items: center; height: 100%; color: var(--muted); font-size: .9rem; }
.tag { display: inline-block; font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; padding: .2rem .55rem; border-radius: 99px; }
.bike-card-image .tag { position: absolute; top: .8rem; left: .8rem; }
.bike-card-image .tag + .tag { left: auto; right: .8rem; }
.tag-used { background: #fff1d6; color: #7a5300; }
.tag-sale { background: var(--accent); color: #fff; }
.bike-card-body { padding: 1rem 1.2rem 1.3rem; display: grid; gap: .3rem; flex: 1; }
.bike-card-meta { margin: 0; font-size: .8rem; color: var(--muted); }
.bike-card h3 { margin: 0; font-size: 1.15rem; line-height: 1.3; }
.bike-card-summary { margin: 0; color: var(--muted); font-size: .92rem; }
.bike-card-price { margin: .4rem 0 0; display: flex; gap: .5rem; align-items: baseline; flex-wrap: wrap; align-self: end; }
.bike-card-price strong { font-size: 1.15rem; }
.bike-card-price s, .price s { color: var(--muted); font-weight: 400; }
.availability-label { font-size: .85rem; font-weight: 600; margin: 0; }
.availability-label.in-stock { color: #2e7d4f; }
.availability-label.orderable { color: #1f4f82; }
.availability-label.sold-out, .availability-label.sold_out { color: #b3261e; }

.preview-banner { background: #fff1d6; color: #7a5300; text-align: center; padding: .7rem 1rem; font-size: .95rem; }
.breadcrumbs { font-size: .9rem; color: var(--muted); margin-bottom: 1.5rem; }
.breadcrumbs a { color: var(--muted); }
.bike-detail { padding-top: 2rem; }
.bike-detail-layout { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); gap: 3rem; align-items: start; }
.gallery-main { display: block; background: #f0ede7; border-radius: 14px; overflow: hidden; aspect-ratio: 4 / 3; }
.gallery-main img { width: 100%; height: 100%; object-fit: cover; display: block; }
.gallery-thumbs { display: grid; grid-template-columns: repeat(auto-fill, minmax(80px, 1fr)); gap: .6rem; margin-top: .8rem; }
.gallery-thumbs a { display: block; border-radius: 8px; overflow: hidden; border: 2px solid transparent; }
.gallery-thumbs a.active { border-color: var(--accent); }
.gallery-thumbs img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; display: block; }
.eyebrow-dark { text-transform: uppercase; letter-spacing: .1em; font-size: .8rem; color: var(--muted); margin: 0 0 .6rem; }
.bike-info h1 { font-size: clamp(1.8rem, 4vw, 2.6rem); line-height: 1.1; margin: 0 0 1rem; letter-spacing: -.02em; }
.bike-info .lead { font-size: 1.15rem; color: #444; }
.price-box { background: #fff; border: 1px solid #ece8e0; border-radius: 14px; padding: 1.2rem 1.4rem; margin: 1.5rem 0; }
.price-box .price { font-size: 1.8rem; font-weight: 800; margin: 0 0 .3rem; display: flex; gap: .7rem; align-items: baseline; }
.price-box .price s { font-size: 1.1rem; }
.price-box .muted { margin: .8rem 0 0; font-size: .92rem; }
.specs { margin-top: 4rem; }
.specs h2 { font-size: 1.6rem; }
.specs-grid { display: grid; gap: 2rem; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
.specs h3 { font-size: .8rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); margin: 0 0 .6rem; }
.specs dl { display: grid; grid-template-columns: auto 1fr; margin: 0; }
.specs dt, .specs dd { padding: .5rem 0; border-bottom: 1px solid #ece8e0; margin: 0; }
.specs dt { color: var(--muted); padding-right: 1.5rem; }
.specs dd { font-weight: 500; }

@media (max-width: 900px) {
    .catalog-layout, .bike-detail-layout { grid-template-columns: 1fr; gap: 1.5rem; }
    .catalog-filters { position: static; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); }
    .filter-group a { display: inline-block; margin-right: .8rem; }
}

/* ---- Uitvoeringen ---- */
.swatch { display: inline-block; width: .9rem; height: .9rem; border-radius: 50%; border: 1px solid rgba(0, 0, 0, .2); flex: none; }
.bike-card-swatches { display: flex; gap: .3rem; margin: .1rem 0; }
.bike-card-variants { margin: 0; font-size: .85rem; color: var(--text); font-weight: 500; }
.variant-picker { margin: 1.2rem 0; }
.variant-label { margin: 0 0 .5rem; font-size: .9rem; color: var(--muted); }
.variant-label strong { color: var(--text); }
.variant-label strong:not(:empty)::before { content: ": "; color: var(--muted); font-weight: 400; }
.variant-options { display: flex; flex-wrap: wrap; gap: .5rem; }
.variant-option { display: inline-flex; align-items: center; gap: .45rem; font: inherit; font-size: .95rem; padding: .45rem .9rem; border: 1px solid #d9d4c9; border-radius: 99px; background: #fff; color: var(--text); }
button.variant-option { cursor: pointer; transition: border-color .15s, background .15s; }
button.variant-option:hover { border-color: var(--text); }
button.variant-option[aria-pressed="true"] { border-color: var(--accent); background: rgba(200, 69, 31, .08); font-weight: 600; box-shadow: inset 0 0 0 1px var(--accent); }
button.variant-option:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.variant-option.static { background: transparent; }
.gallery-thumbs a[hidden] { display: none; }