/* ============================================================
   Ben Data Consultancy – global stylesheet
   Huisstijl: #563519 (primair) / #F1EEEB (licht)
   ============================================================ */

:root {
  --color-primary: #563519;
  --color-primary-dark: #3d2511;
  --color-primary-light: #7a4f2a;
  --color-bg: #F1EEEB;
  --color-bg-alt: #ffffff;
  --color-text: #1a1a1a;
  --color-text-muted: #5a5a5a;
  --color-border: #e2dcd5;
  --color-accent: #c9a87a;

  --font-sans: "Inter", "Helvetica Neue", Arial, sans-serif;
  --font-serif: "Playfair Display", Georgia, serif;

  --container: 1200px;
  --radius: 4px;
  --shadow-sm: 0 1px 2px rgba(86, 53, 25, 0.06);
  --shadow-md: 0 8px 24px rgba(86, 53, 25, 0.08);
  --transition: 0.25s ease;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg-alt);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: var(--color-primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-primary-dark); }

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 600;
  color: var(--color-primary-dark);
  line-height: 1.2;
  margin: 0 0 0.5em 0;
}

h1 { font-size: clamp(2rem, 4vw, 3.4rem); letter-spacing: -0.5px; }
h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); }
h3 { font-size: 1.3rem; }
p  { margin: 0 0 1rem 0; color: var(--color-text-muted); }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }

/* -------- Header -------- */
.site-header {
  background: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
  position: sticky; top: 0; z-index: 50;
}
.site-header .container {
  display: flex; align-items: center; justify-content: space-between;
  min-height: 78px;
}
.brand {
  display: inline-flex; align-items: center;
}
.brand img.logo {
  height: 54px; width: auto; display: block;
}
.site-footer .brand img.logo { height: 48px; }

.nav { display: flex; gap: 28px; align-items: center; }
.nav a {
  color: var(--color-text); font-weight: 500; font-size: 0.95rem;
  padding: 6px 0; position: relative;
}
.nav a.active,
.nav a:hover { color: var(--color-primary); }
.nav a.active::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -4px;
  height: 2px; background: var(--color-primary);
}
/* Contact-knop in de nav: witte tekst op bruin, ook bij active/hover */
.nav a.btn-primary,
.nav a.btn-primary:hover,
.nav a.btn-primary.active { color: #fff; }
.nav a.btn-primary.active::after { display: none; }
.nav-toggle {
  display: none; background: none; border: 0; cursor: pointer;
  font-size: 1.4rem; color: var(--color-primary);
}

/* -------- Buttons -------- */
.btn {
  display: inline-block; padding: 14px 26px; font-weight: 600; font-size: 0.95rem;
  border-radius: var(--radius); cursor: pointer; transition: all var(--transition);
  border: 1px solid transparent; line-height: 1;
}
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-dark); color: #fff; transform: translateY(-1px); }
.btn-outline {
  background: transparent; color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn-outline:hover { background: var(--color-primary); color: #fff; }
.btn-light {
  background: rgba(255,255,255,0.1); color: #fff; border-color: rgba(255,255,255,0.4);
}
.btn-light:hover { background: #fff; color: var(--color-primary); }

/* -------- Hero -------- */
.hero {
  position: relative; overflow: hidden;
  background:
    linear-gradient(135deg, rgba(15, 10, 6, 0.78), rgba(86, 53, 25, 0.72)),
    radial-gradient(ellipse at top right, #7a4f2a, #2a1808 70%);
  color: #fff;
  padding: 120px 0 110px;
}
.hero h1 { color: #fff; max-width: 820px; }
.hero .lead {
  font-size: 1.2rem; max-width: 640px; color: rgba(255,255,255,0.85);
  margin-bottom: 2rem;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.eyebrow {
  display: inline-block; font-size: 0.8rem; letter-spacing: 3px; text-transform: uppercase;
  color: var(--color-accent); margin-bottom: 1.2rem;
}

/* -------- Page header (smaller hero) -------- */
.page-header {
  background:
    linear-gradient(135deg, rgba(15, 10, 6, 0.85), rgba(86, 53, 25, 0.75)),
    radial-gradient(ellipse at right, #6b4220, #1d1006 80%);
  color: #fff; padding: 90px 0 70px;
}
.page-header h1 { color: #fff; margin-bottom: 0.5rem; }
.page-header p { color: rgba(255,255,255,0.85); max-width: 680px; font-size: 1.1rem; margin-bottom: 0; }
.breadcrumb {
  font-size: 0.85rem; color: rgba(255,255,255,0.6); margin-bottom: 1rem;
}
.breadcrumb a { color: rgba(255,255,255,0.75); }
.breadcrumb a:hover { color: #fff; }

/* -------- Sections -------- */
section { padding: 90px 0; }
section.alt { background: var(--color-bg); }
.section-head { max-width: 720px; margin: 0 auto 56px; text-align: center; }
.section-head .eyebrow { color: var(--color-primary); }
.section-head p { font-size: 1.05rem; }

/* -------- Grid / cards -------- */
.grid { display: grid; gap: 28px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.card {
  background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius);
  padding: 32px; transition: all var(--transition);
}
.card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.card .icon {
  width: 48px; height: 48px; border-radius: 50%;
  background: var(--color-bg); color: var(--color-primary);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px; font-size: 1.3rem; font-weight: 700;
  font-family: var(--font-serif);
}
.card h3 { margin-bottom: 10px; }
.card p { color: var(--color-text-muted); margin-bottom: 0; }
.card a.more {
  display: inline-block; margin-top: 16px; font-weight: 600; font-size: 0.9rem;
  color: var(--color-primary);
}
.card a.more::after { content: " →"; transition: transform var(--transition); display: inline-block; }
.card a.more:hover::after { transform: translateX(3px); }

/* -------- Stats / facts -------- */
.facts { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; }
.fact { text-align: center; }
.fact .num {
  font-family: var(--font-serif); font-size: 2.6rem; color: var(--color-primary); font-weight: 700;
  display: block; line-height: 1; margin-bottom: 6px;
}
.fact .label { color: var(--color-text-muted); font-size: 0.95rem; }

/* -------- CTA banner -------- */
.cta {
  background: var(--color-primary); color: #fff;
  padding: 70px 0; text-align: center;
}
.cta h2 { color: #fff; }
.cta p { color: rgba(255,255,255,0.85); margin-bottom: 1.6rem; }

/* -------- Forms -------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-grid .full { grid-column: 1 / -1; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field label { font-size: 0.88rem; font-weight: 600; color: var(--color-text); }
.field input, .field select, .field textarea {
  padding: 12px 14px; font-family: inherit; font-size: 0.95rem;
  border: 1px solid var(--color-border); border-radius: var(--radius);
  background: #fff; transition: border-color var(--transition);
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--color-primary);
}
.field textarea { min-height: 120px; resize: vertical; }
.field .hint { font-size: 0.8rem; color: var(--color-text-muted); }

/* -------- Filters -------- */
.filters {
  background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius);
  padding: 24px; margin-bottom: 32px;
  display: grid; grid-template-columns: 2fr 1fr 1fr auto; gap: 14px; align-items: end;
}
.filters .field { gap: 4px; }
.filters .btn { padding: 12px 20px; }

/* -------- Job / opdracht items -------- */
.listing { display: flex; flex-direction: column; gap: 18px; }
.listing-item {
  background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius);
  padding: 26px 28px; transition: all var(--transition);
  display: grid; grid-template-columns: 1fr auto; gap: 18px; align-items: start;
}
.listing-item:hover { box-shadow: var(--shadow-md); border-color: var(--color-primary-light); }
.listing-item h3 { margin-bottom: 6px; font-family: var(--font-sans); font-size: 1.15rem; color: var(--color-primary); }
.listing-item .meta {
  display: flex; flex-wrap: wrap; gap: 12px; font-size: 0.85rem; color: var(--color-text-muted);
  margin-bottom: 10px;
}
.listing-item .meta span { display: inline-flex; align-items: center; gap: 6px; }
.listing-item .meta span::before { content: "•"; color: var(--color-primary-light); }
.listing-item .meta span:first-child::before { content: ""; }
.tag {
  display: inline-block; padding: 4px 10px; font-size: 0.75rem; font-weight: 600;
  background: var(--color-bg); color: var(--color-primary); border-radius: 999px;
  margin-right: 6px;
}
.listing-item .summary { color: var(--color-text-muted); margin-bottom: 0; font-size: 0.95rem; }
.listing-item .actions { display: flex; flex-direction: column; gap: 8px; }

/* Detail blocks inside listing */
.listing-detail { display: none; padding-top: 16px; border-top: 1px solid var(--color-border); margin-top: 14px; grid-column: 1 / -1; }
.listing-detail.open { display: block; }
.listing-detail h4 {
  font-family: var(--font-sans); font-size: 0.85rem; text-transform: uppercase;
  letter-spacing: 1.5px; color: var(--color-primary); margin: 18px 0 6px;
}
.listing-detail ul { padding-left: 20px; margin: 0 0 6px; color: var(--color-text-muted); }

/* -------- Blog -------- */
.article-card { background:#fff; border:1px solid var(--color-border); border-radius: var(--radius); overflow:hidden; transition: all var(--transition); }
.article-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.article-card .thumb { aspect-ratio: 16/9; background: linear-gradient(135deg, #563519, #7a4f2a); position:relative; }
.article-card .thumb::after { content: ""; position:absolute; inset:0; background: radial-gradient(circle at 30% 30%, rgba(255,255,255,0.15), transparent 60%); }
.article-card .body { padding: 24px; }
.article-card .body .date { font-size: 0.8rem; color: var(--color-text-muted); margin-bottom: 6px; }
.article-card .body h3 { font-family: var(--font-sans); font-size: 1.1rem; margin-bottom: 8px; color: var(--color-primary-dark); }
.article-card .body p { font-size: 0.92rem; margin-bottom: 12px; }

/* -------- Footer -------- */
.site-footer {
  background: #0f0a06; color: #c9bfb1; padding: 70px 0 30px; margin-top: 60px;
}
.site-footer h4 { color: #fff; font-family: var(--font-sans); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 2px; margin-bottom: 16px; }
.site-footer a { color: #c9bfb1; font-size: 0.92rem; }
.site-footer a:hover { color: #fff; }
.site-footer ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 8px; }
.site-footer p { color: #8b7e6f; font-size: 0.9rem; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 50px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08); padding-top: 24px;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  font-size: 0.85rem; color: #8b7e6f;
}

/* -------- Two column content -------- */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }

/* Illustration container: holds inline SVG illustrations (data, AI, energy, etc.) */
.illustration {
  aspect-ratio: 4/3;
  border-radius: var(--radius);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  padding: 32px;
  display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
}
.illustration svg { width: 100%; height: 100%; max-width: 460px; }
.illustration.dark {
  background: linear-gradient(135deg, #1a1410, #2a1c10);
  border-color: rgba(255,255,255,0.06);
}

/* Featured article card on homepage */
.feature-article {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: stretch;
  box-shadow: var(--shadow-sm);
}
.feature-article .media {
  background: linear-gradient(135deg, #0f1a2a 0%, #1d3550 50%, #2d5a7d 100%);
  position: relative; min-height: 320px;
  display: flex; align-items: center; justify-content: center;
  padding: 24px;
}
.feature-article .media svg { width: 100%; height: 100%; }
.feature-article .body { padding: 44px 48px; display: flex; flex-direction: column; justify-content: center; }
.feature-article .body .label {
  display: inline-block; font-size: 0.75rem; letter-spacing: 2px; text-transform: uppercase;
  color: var(--color-primary); margin-bottom: 14px; font-weight: 600;
}
.feature-article .body h3 {
  font-family: var(--font-serif); font-size: 1.6rem; margin-bottom: 12px;
  color: var(--color-primary-dark);
}
.feature-article .body p { font-size: 1rem; margin-bottom: 18px; }
@media (max-width: 880px) {
  .feature-article { grid-template-columns: 1fr; }
  .feature-article .body { padding: 32px 28px; }
  .feature-article .media { min-height: 220px; }
}

/* -------- Hero visual (naast tekst in bruine balk) -------- */
.hero-grid {
  display: grid; grid-template-columns: 1.15fr 1fr; gap: 60px; align-items: center;
}
.hero-visual {
  position: relative;
}
.hero-visual .visual-card {
  background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius); padding: 24px;
  backdrop-filter: blur(6px);
}
.hero-visual svg { display: block; width: 100%; height: auto; }
@media (max-width: 880px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { max-width: 460px; margin: 0 auto; }
}

/* -------- Freelance / opdrachten CTA (donkere balk) -------- */
.freelance-banner {
  background: linear-gradient(135deg, #1a1410 0%, #563519 100%);
  color: #fff; padding: 40px 0;
}
.freelance-banner .container {
  display: flex; justify-content: space-between; align-items: center; gap: 24px; flex-wrap: wrap;
}
.freelance-banner h2 {
  color: #fff; font-family: var(--font-serif); font-size: 1.5rem; margin: 0;
}
.freelance-banner p { color: rgba(255,255,255,0.8); margin: 4px 0 0; }
.freelance-banner .cta-content { flex: 1; min-width: 260px; }
.freelance-banner .btn-light {
  background: #fff; color: var(--color-primary); border-color: #fff;
}
.freelance-banner .btn-light:hover { background: var(--color-bg); color: var(--color-primary-dark); }

/* -------- Klanten-carrousel -------- */
.clients-section { padding: 70px 0; background: #fff; }
.clients-section .intro { text-align: center; max-width: 640px; margin: 0 auto 40px; }
.clients-section .intro .eyebrow { color: var(--color-primary); }
.clients-section .intro h2 { font-size: 1.7rem; }
.clients-section .intro p { color: var(--color-text-muted); font-size: 0.98rem; }

.clients-carousel {
  position: relative; overflow: hidden;
  padding: 20px 0;
  mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}
.clients-track {
  display: flex; gap: 60px; width: max-content;
  animation: slide-clients 22s linear infinite;
}
.clients-carousel:hover .clients-track { animation-play-state: paused; }
.client-logo {
  flex: 0 0 auto; display: flex; align-items: center; justify-content: center;
  height: 80px; min-width: 180px; padding: 0 22px;
  background: var(--color-bg); border: 1px solid var(--color-border);
  border-radius: var(--radius); color: var(--color-primary-dark);
  font-family: var(--font-serif); font-weight: 700; font-size: 1rem;
  text-align: center; letter-spacing: 0.4px;
  transition: all var(--transition);
}
.client-logo img {
  max-height: 46px; max-width: 150px; width: auto; height: auto;
  object-fit: contain; display: block;
}
/* Vierkante logo's (zoals NS en RET) mogen hoger zijn */
.client-logo img.is-square { max-height: 68px; max-width: 100px; }
.client-logo:hover { background: #fff; border-color: var(--color-primary-light); box-shadow: var(--shadow-sm); }
.client-logo small { display: block; font-family: var(--font-sans); font-weight: 500;
  font-size: 0.7rem; letter-spacing: 1.5px; color: var(--color-text-muted);
  text-transform: uppercase; margin-top: 4px;
}
@keyframes slide-clients {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
@media (prefers-reduced-motion: reduce) {
  .clients-track { animation: none; }
}

/* -------- Empty state / notice -------- */
.notice {
  background: #fff; border: 1px solid var(--color-border); border-left: 4px solid var(--color-primary);
  padding: 30px 32px; border-radius: var(--radius); margin-bottom: 32px;
}
.notice h3 {
  font-family: var(--font-sans); font-size: 1.1rem; color: var(--color-primary-dark);
  margin-bottom: 8px;
}
.notice p { margin-bottom: 0; }

/* Signup card */
.signup-card {
  background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius);
  padding: 36px 40px; box-shadow: var(--shadow-sm);
}
.signup-card h3 { margin-bottom: 6px; }
.signup-card > p { margin-bottom: 22px; }

/* Counter / facts animation */
.fact .num { transition: none; font-variant-numeric: tabular-nums; }
.fact .num .suffix { font-size: 0.6em; }

/* CMS / beheer toelichting block */
.cms-info {
  background: var(--color-bg); border-left: 4px solid var(--color-primary-light);
  padding: 20px 24px; border-radius: var(--radius); margin-top: 36px;
  font-size: 0.9rem;
}
.cms-info h4 {
  font-family: var(--font-sans); font-size: 0.85rem; text-transform: uppercase;
  letter-spacing: 1.5px; color: var(--color-primary); margin: 0 0 8px;
}
.cms-info code {
  background: #fff; padding: 2px 6px; border-radius: 3px; font-size: 0.85em;
  color: var(--color-primary-dark); border: 1px solid var(--color-border);
}

/* -------- Modal -------- */
.modal-overlay {
  display: none; position: fixed; inset: 0; z-index: 100;
  background: rgba(15,10,6,0.7); backdrop-filter: blur(3px);
  align-items: flex-start; justify-content: center; padding: 60px 20px;
  overflow-y: auto;
}
.modal-overlay.open { display: flex; }
.modal {
  background: #fff; max-width: 640px; width: 100%; padding: 36px 38px;
  border-radius: var(--radius); position: relative; box-shadow: var(--shadow-md);
}
.modal h3 { margin-top: 0; }
.modal .close {
  position: absolute; top: 14px; right: 18px; background: none; border: 0;
  font-size: 1.6rem; cursor: pointer; color: var(--color-text-muted);
}
.modal .close:hover { color: var(--color-primary); }

/* -------- Responsive -------- */
@media (max-width: 960px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .facts { grid-template-columns: repeat(2, 1fr); }
  .two-col { grid-template-columns: 1fr; }
  .filters { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  section { padding: 60px 0; }
  .hero { padding: 80px 0 70px; }
  .nav { display: none; position: absolute; top: 78px; left: 0; right: 0;
         background: #fff; flex-direction: column; padding: 20px;
         border-bottom: 1px solid var(--color-border); gap: 14px; }
  .nav.open { display: flex; }
  .nav-toggle { display: block; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .facts { grid-template-columns: 1fr 1fr; }
  .filters { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .listing-item { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
}

/* -------- Founder-portret (Wie zijn wij) -------- */
.founder-card {
  background: #fff; border: 1px solid var(--color-border);
  border-radius: var(--radius); overflow: hidden; max-width: 380px;
  justify-self: center; box-shadow: var(--shadow-sm);
}
.founder-card img {
  display: block; width: 100%; aspect-ratio: 4 / 5; object-fit: cover; object-position: top;
}
.founder-caption {
  padding: 14px 18px; display: flex; flex-direction: column; gap: 2px;
}
.founder-caption strong { color: var(--color-primary-dark); font-size: 1.05rem; }
.founder-caption span {
  font-size: 0.8rem; text-transform: uppercase; letter-spacing: 2px;
  color: var(--color-text-muted);
}

/* -------- Groepskoppen opdrachtenlijst -------- */
.listing-group {
  display: flex; align-items: baseline; gap: 12px;
  margin: 34px 0 14px; padding-bottom: 8px;
  border-bottom: 2px solid var(--color-primary);
}
.listing-group:first-child { margin-top: 6px; }
.listing-group h3 {
  margin: 0; font-size: 1.15rem; color: var(--color-primary-dark);
}
.listing-group span {
  font-size: 0.85rem; color: var(--color-text-muted);
}