/* ==========================================================================
   Fietsaanhangerkopen.nl — Trahera Custom Bicycle Trailers
   Design system: Trahera-blauw, veel wit, hoge leesbaarheid, mobile-first
   ========================================================================== */

:root {
  --blue: #1b9ad6;          /* Trahera-logoblauw */
  --blue-dark: #137bad;
  --blue-tint: #e8f5fc;
  --navy: #10293a;          /* koppen en footer */
  --ink: #21323f;           /* lopende tekst */
  --muted: #5b6b77;
  --line: #dde6ec;
  --bg: #ffffff;
  --bg-soft: #f4f8fa;
  --cta: #e8741e;           /* oranje koopknop */
  --cta-dark: #cf6212;
  --ok: #1e8f4d;
  --warn: #b54708;
  --radius: 10px;
  --shadow: 0 1px 3px rgba(16, 41, 58, .08), 0 4px 16px rgba(16, 41, 58, .06);
  --shadow-lift: 0 4px 10px rgba(16, 41, 58, .10), 0 12px 28px rgba(16, 41, 58, .10);
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--blue-dark); }
h1, h2, h3, h4 { color: var(--navy); line-height: 1.25; margin: 0 0 .5em; }
h1 { font-size: clamp(1.7rem, 4vw, 2.5rem); }
h2 { font-size: clamp(1.4rem, 3vw, 1.9rem); }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1em; }
.container { max-width: var(--max); margin: 0 auto; padding: 0 20px; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

/* ---- Topbar (USP-strook) ---- */
.topbar { background: var(--navy); color: #fff; font-size: .82rem; }
.topbar .container { display: flex; gap: 18px; justify-content: center; padding: 7px 20px; flex-wrap: wrap; }
.topbar span { white-space: nowrap; }
.topbar .tick::before { content: "✓ "; color: #7fd4a8; font-weight: 700; }

/* ---- Header ---- */
.site-header { background: #fff; border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 50; }
.site-header .container { display: flex; align-items: center; gap: 16px; padding: 12px 20px; }
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; flex-shrink: 0; }
.logo img { width: 297px; height: auto; }
.main-nav { margin-left: auto; display: flex; align-items: center; gap: 4px; }
.main-nav a { text-decoration: none; color: var(--ink); font-weight: 600; font-size: .95rem; padding: 8px 12px; border-radius: 8px; }
.main-nav a:hover { background: var(--blue-tint); color: var(--blue-dark); }
.nav-cart { position: relative; display: flex; align-items: center; gap: 6px; background: var(--blue-tint); }
.cart-count { background: var(--cta); color: #fff; font-size: .72rem; font-weight: 700; border-radius: 999px; padding: 1px 7px; min-width: 20px; text-align: center; }
.nav-toggle { display: none; margin-left: auto; background: none; border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; font-size: 1.2rem; cursor: pointer; color: var(--navy); }

@media (max-width: 860px) {
  .topbar .container { gap: 10px; font-size: .76rem; }
  .nav-toggle { display: block; }
  .main-nav { display: none; position: absolute; top: 100%; left: 0; right: 0; background: #fff;
    flex-direction: column; align-items: stretch; padding: 10px 16px 16px; border-bottom: 1px solid var(--line); box-shadow: var(--shadow); }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 12px; }
  .logo img { width: 210px; }
}

/* ---- Hero ---- */
.hero { background: linear-gradient(135deg, var(--navy) 0%, #16455f 55%, var(--blue-dark) 100%); color: #fff; }
.hero .container { display: grid; grid-template-columns: 1.1fr .9fr; gap: 36px; align-items: center; padding: 56px 20px; }
.hero h1 { color: #fff; margin-bottom: .4em; }
.hero p.lead { font-size: 1.12rem; color: #d6e9f5; max-width: 46ch; }
.hero-points { list-style: none; padding: 0; margin: 0 0 1.4em; color: #eaf6fd; }
.hero-points li { padding: 3px 0 3px 26px; position: relative; }
.hero-points li::before { content: "✓"; position: absolute; left: 0; color: #7fd4a8; font-weight: 800; }
.hero-img { border-radius: var(--radius); box-shadow: var(--shadow-lift); width: 100%; object-fit: cover; aspect-ratio: 4/3; background: #fff; }
@media (max-width: 860px) { .hero .container { grid-template-columns: 1fr; padding: 36px 20px; } }

/* ---- Knoppen ---- */
.btn { display: inline-block; text-decoration: none; font-weight: 700; border-radius: 8px; padding: 13px 26px; font-size: 1rem; cursor: pointer; border: 0; text-align: center; }
.btn-cta { background: var(--cta); color: #fff; box-shadow: 0 2px 0 var(--cta-dark); }
.btn-cta:hover { background: var(--cta-dark); }
.btn-ghost { background: transparent; color: #fff; border: 2px solid rgba(255,255,255,.55); }
.btn-ghost:hover { border-color: #fff; }
.btn-blue { background: var(--blue); color: #fff; }
.btn-blue:hover { background: var(--blue-dark); }
.btn-outline { background: #fff; color: var(--blue-dark); border: 2px solid var(--blue); }
.btn-outline:hover { background: var(--blue-tint); }
.btn-row { display: flex; gap: 12px; flex-wrap: wrap; }
.btn[disabled] { opacity: .55; cursor: not-allowed; }

/* ---- Secties ---- */
.section { padding: 52px 0; }
.section.alt { background: var(--bg-soft); }
.section-head { max-width: 720px; margin-bottom: 28px; }
.section-head p { color: var(--muted); }

/* ---- Categorie-grid ---- */
.cat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 18px; }
.cat-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; text-decoration: none; color: var(--ink); display: flex; flex-direction: column; transition: box-shadow .15s, transform .15s; }
.cat-card:hover { box-shadow: var(--shadow-lift); transform: translateY(-2px); }
.cat-card img { aspect-ratio: 4/3; object-fit: cover; width: 100%; background: var(--bg-soft); }
.cat-card .cat-body { padding: 14px 16px; }
.cat-card h3 { margin: 0 0 2px; font-size: 1.02rem; }
.cat-card span { color: var(--muted); font-size: .85rem; }

/* ---- Product-grid & kaarten ---- */
.prod-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 20px; }
.prod-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column; transition: box-shadow .15s, transform .15s; position: relative; }
.prod-card:hover { box-shadow: var(--shadow-lift); transform: translateY(-2px); }
.prod-card a.prod-link { text-decoration: none; color: inherit; display: flex; flex-direction: column; flex: 1; }
.prod-card img { aspect-ratio: 4/3; object-fit: cover; width: 100%; background: var(--bg-soft); }
.prod-card .prod-body { padding: 14px 16px 16px; display: flex; flex-direction: column; flex: 1; }
.prod-card h3 { font-size: 1rem; margin-bottom: 4px; }
.prod-card .prod-price { margin-top: auto; font-weight: 800; color: var(--navy); font-size: 1.12rem; padding-top: 8px; }
.prod-price small { font-weight: 500; color: var(--muted); font-size: .76rem; }
.badge { position: absolute; top: 10px; left: 10px; background: var(--cta); color: #fff; font-size: .72rem; font-weight: 700; padding: 3px 9px; border-radius: 999px; z-index: 2; }
.badge.badge-blue { background: var(--blue); }

/* ---- Productdetail ---- */
.breadcrumbs { font-size: .85rem; color: var(--muted); padding: 14px 0 0; }
.breadcrumbs a { color: var(--muted); text-decoration: none; }
.breadcrumbs a:hover { color: var(--blue-dark); text-decoration: underline; }
.product-detail { display: grid; grid-template-columns: 1.05fr .95fr; gap: 40px; padding: 24px 0 52px; align-items: start; }
@media (max-width: 860px) { .product-detail { grid-template-columns: 1fr; gap: 24px; } }
.gallery-main { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: #fff; position: relative; }
.gallery-main img { width: 100%; aspect-ratio: 4/3; object-fit: contain; background: #fff; }
.gallery-thumbs { display: grid; grid-template-columns: repeat(auto-fill, minmax(72px, 1fr)); gap: 8px; margin-top: 10px; }
.gallery-thumbs button { border: 2px solid var(--line); background: #fff; border-radius: 8px; overflow: hidden; padding: 0; cursor: pointer; }
.gallery-thumbs button.active { border-color: var(--blue); }
.gallery-thumbs img { aspect-ratio: 1; object-fit: cover; width: 100%; }
.buy-box h1 { font-size: clamp(1.4rem, 3vw, 1.9rem); }
.price-line { display: flex; align-items: baseline; gap: 10px; margin: 10px 0 2px; }
.price-now { font-size: 1.9rem; font-weight: 800; color: var(--navy); }
.price-note { color: var(--muted); font-size: .85rem; margin-bottom: 14px; }
.stock-ok { color: var(--ok); font-weight: 600; font-size: .95rem; }
.stock-ok::before { content: "● "; }
.delivery-note { background: var(--blue-tint); border-radius: 8px; padding: 10px 14px; font-size: .9rem; margin: 14px 0; }
/* ---- Productopties ---- */
.prod-options { margin: 18px 0 4px; display: flex; flex-direction: column; gap: 14px; }
.prod-option { border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 16px 14px; margin: 0; }
.prod-option legend { font-weight: 700; color: var(--navy); font-size: .92rem; padding: 0 6px; }
.prod-option legend small { font-weight: 500; color: var(--muted); }
.prod-option > label { font-weight: 700; font-size: .92rem; }
.opt-row { display: flex; align-items: baseline; gap: 8px; font-weight: 400; font-size: .93rem; padding: 4px 0; margin: 0; color: var(--ink); cursor: pointer; }
.opt-row input { accent-color: var(--blue); transform: translateY(2px); }
.opt-plus { margin-left: auto; color: var(--blue-dark); font-weight: 600; white-space: nowrap; font-size: .88rem; }
.ci-options { color: var(--muted); font-size: .82rem; margin: 2px 0 6px; line-height: 1.45; }

.qty-row { display: flex; gap: 12px; align-items: stretch; margin: 18px 0 10px; }
.qty-input { width: 86px; border: 1px solid var(--line); border-radius: 8px; font-size: 1rem; text-align: center; }
.buy-usps { list-style: none; padding: 12px 0 0; margin: 14px 0 0; border-top: 1px solid var(--line); font-size: .9rem; color: var(--muted); }
.buy-usps li { padding: 3px 0 3px 24px; position: relative; }
.buy-usps li::before { content: "✓"; position: absolute; left: 2px; color: var(--ok); font-weight: 800; }
.prod-description { padding: 8px 0 56px; max-width: 820px; }
.prod-description h2 { margin-top: 0; }
.prod-description ul { padding-left: 20px; }

/* ---- Betaal-logo's ---- */
.paylogos { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-top: 12px; }
.paylogo { border: 1px solid var(--line); border-radius: 6px; padding: 4px 10px; font-size: .78rem; font-weight: 700; color: var(--muted); background: #fff; }
.paylogo.ideal { color: #cc0066; }

/* ---- Maatwerk-banner ---- */
.custom-banner { background: linear-gradient(120deg, var(--blue-dark), var(--navy)); border-radius: var(--radius); color: #fff; padding: 36px; display: grid; grid-template-columns: 1.2fr .8fr; gap: 28px; align-items: center; }
.custom-banner h2 { color: #fff; }
.custom-banner p { color: #d6e9f5; }
.custom-banner img { border-radius: 8px; box-shadow: var(--shadow-lift); }
@media (max-width: 760px) { .custom-banner { grid-template-columns: 1fr; padding: 26px; } }

/* ---- Reviews ---- */
.review-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 18px; }
.review-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; }
.review-stars { color: #f5a623; letter-spacing: 2px; margin-bottom: 8px; }
.review-card footer { color: var(--muted); font-size: .85rem; margin-top: 10px; }

/* ---- Tabellen / specs ---- */
.spec-table { width: 100%; border-collapse: collapse; font-size: .93rem; }
.spec-table th, .spec-table td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
.spec-table th { width: 38%; color: var(--muted); font-weight: 600; }

/* ---- Formulieren ---- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 16px; }
.form-grid .full { grid-column: 1 / -1; }
@media (max-width: 640px) { .form-grid { grid-template-columns: 1fr; } }
label { font-weight: 600; font-size: .9rem; display: block; margin-bottom: 4px; color: var(--navy); }
input[type="text"], input[type="email"], input[type="tel"], input[type="number"], select, textarea {
  width: 100%; border: 1px solid var(--line); border-radius: 8px; padding: 11px 12px; font-size: 1rem; font-family: inherit; background: #fff; color: var(--ink);
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--blue); outline-offset: 0; border-color: var(--blue); }
.field-error { color: #c0392b; font-size: .82rem; margin-top: 3px; display: none; }
.form-note { font-size: .85rem; color: var(--muted); }

/* ---- Winkelwagen / checkout ---- */
.cart-layout { display: grid; grid-template-columns: 1.4fr .9fr; gap: 32px; align-items: start; }
@media (max-width: 860px) { .cart-layout { grid-template-columns: 1fr; } }
.cart-items { display: flex; flex-direction: column; gap: 14px; }
.cart-item { display: grid; grid-template-columns: 92px 1fr auto; gap: 14px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 14px; align-items: center; }
.cart-item img { width: 92px; aspect-ratio: 1; object-fit: cover; border-radius: 8px; background: var(--bg-soft); }
.cart-item h3 { font-size: .98rem; margin: 0 0 4px; }
.cart-item .ci-price { color: var(--muted); font-size: .9rem; }
.ci-controls { display: flex; align-items: center; gap: 8px; }
.ci-qty { width: 64px; text-align: center; border: 1px solid var(--line); border-radius: 8px; padding: 7px 4px; }
.ci-remove { background: none; border: 0; color: var(--muted); cursor: pointer; font-size: .82rem; text-decoration: underline; }
.ci-line-total { font-weight: 800; color: var(--navy); }
.summary-box { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; position: sticky; top: 90px; }
.summary-box h2 { font-size: 1.2rem; }
.sum-row { display: flex; justify-content: space-between; padding: 6px 0; font-size: .95rem; }
.sum-row.total { border-top: 2px solid var(--navy); margin-top: 8px; padding-top: 12px; font-weight: 800; font-size: 1.15rem; color: var(--navy); }
.cart-empty { text-align: center; padding: 56px 0; color: var(--muted); }

/* ---- FAQ ---- */
.faq-list details { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 0 20px; margin-bottom: 10px; }
.faq-list summary { font-weight: 700; color: var(--navy); cursor: pointer; padding: 16px 0; list-style: none; position: relative; padding-right: 30px; }
.faq-list summary::after { content: "+"; position: absolute; right: 4px; top: 12px; font-size: 1.4rem; color: var(--blue); }
.faq-list details[open] summary::after { content: "–"; }
.faq-list details > div { padding: 0 0 16px; color: var(--ink); }

/* ---- Steps (hoe werkt het) ---- */
.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 18px; counter-reset: step; }
.step { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; counter-increment: step; }
.step::before { content: counter(step); display: inline-flex; width: 34px; height: 34px; border-radius: 50%; background: var(--blue); color: #fff; font-weight: 800; align-items: center; justify-content: center; margin-bottom: 10px; }

/* ---- Meldingen ---- */
.alert { border-radius: 8px; padding: 14px 16px; margin: 14px 0; font-size: .95rem; }
.alert-ok { background: #e6f6ec; color: #14532d; border: 1px solid #b5e2c6; }
.alert-warn { background: #fef3e6; color: #7c3a06; border: 1px solid #f5cf9f; }
.alert-error { background: #fdeaea; color: #8c1c13; border: 1px solid #f3bcbc; }

/* ---- Footer ---- */
.site-footer { background: var(--navy); color: #c5d5e0; margin-top: 56px; font-size: .92rem; }
.site-footer a { color: #e8f3fa; text-decoration: none; }
.site-footer a:hover { text-decoration: underline; }
.footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 28px; padding: 44px 0 28px; }
.site-footer h4 { color: #fff; font-size: .95rem; margin-bottom: 10px; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { padding: 3px 0; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.15); padding: 16px 0 22px; display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; font-size: .82rem; color: #8da6b8; }

/* ---- Trustbar onder hero ---- */
.trustbar { background: #fff; border-bottom: 1px solid var(--line); }
.trustbar .container { display: flex; justify-content: center; gap: 34px; padding: 14px 20px; flex-wrap: wrap; font-size: .9rem; font-weight: 600; color: var(--navy); }
.trustbar span::before { content: "✓ "; color: var(--ok); font-weight: 800; }

/* ---- Toast (in winkelwagen gelegd) ---- */
.toast { position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%) translateY(20px); background: var(--navy); color: #fff; padding: 14px 22px; border-radius: 10px; box-shadow: var(--shadow-lift); opacity: 0; pointer-events: none; transition: all .25s; z-index: 100; display: flex; gap: 16px; align-items: center; max-width: calc(100vw - 40px); }
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); pointer-events: auto; }
.toast a { color: #8fd6f8; font-weight: 700; white-space: nowrap; }

@media print { .site-header, .topbar, .site-footer, .toast { display: none; } }