:root {
  --bg: oklch(98% 0.004 250);
  --bg-panel: oklch(96% 0.008 250);
  --ink: oklch(20% 0.03 255);
  --ink-soft: oklch(38% 0.02 255);
  --ink-mute: oklch(52% 0.02 255);
  --line: oklch(88% 0.015 255);
  --line-strong: oklch(70% 0.03 255);
  --blue-dark: oklch(21% 0.06 255);
  --accent: #2f5aa8;
  --white: #ffffff;
  --font-display: 'Space Grotesk', ui-sans-serif, system-ui, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --font-body: 'IBM Plex Sans', ui-sans-serif, system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
}
h1, h2, h3 { font-family: var(--font-display); font-weight: 600; margin: 0; text-wrap: balance; }
p { margin: 0; }
a { color: inherit; text-decoration: none; }
a:hover { opacity: 0.7; }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, .tooltip:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

.tag {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 16px;
}
.tag--light { color: rgba(255,255,255,.55); }

/* grid + corner-bracket motifs */
.grid-light {
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 48px 48px;
}
.grid-dark {
  background-image:
    linear-gradient(rgba(255,255,255,.09) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.09) 1px, transparent 1px);
  background-size: 48px 48px;
}
.brk { position: relative; }
.brk::before, .brk::after {
  content: ''; position: absolute; width: 14px; height: 14px;
  border-color: var(--line-strong); pointer-events: none;
}
.brk::before { top: -1px; left: -1px; border-top: 2px solid; border-left: 2px solid; }
.brk::after { bottom: -1px; right: -1px; border-bottom: 2px solid; border-right: 2px solid; }
.hero.brk::before, .hero.brk::after,
.about.brk::before, .about.brk::after { border-color: rgba(255,255,255,.35); }

/* ambient low-poly shimmer, faded in from the bottom-right */
.mosaic {
  position: absolute; inset: 0; z-index: -1; display: block; pointer-events: none;
  width: 100%; height: 100%;
  -webkit-mask-image: radial-gradient(circle 560px at 100% 100%, black 0%, black 25%, transparent 100%);
  mask-image: radial-gradient(circle 560px at 100% 100%, black 0%, black 25%, transparent 100%);
}

/* nav */
.nav {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 48px;
  background: color-mix(in oklab, var(--bg) 92%, transparent);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}
.nav__brand { display: flex; align-items: center; gap: 10px; color: var(--accent); }
.nav__brand span { font-family: var(--font-display); font-weight: 600; font-size: 18px; letter-spacing: 0.02em; color: var(--ink); }
.nav__links { display: flex; align-items: center; gap: 32px; }
.nav__links a { font-family: var(--font-mono); font-size: 13px; letter-spacing: 0.04em; text-transform: uppercase; }
.nav__cta { padding: 9px 18px; border: 1.4px solid var(--accent); color: var(--accent); }

/* hero */
.hero {
  position: relative;
  z-index: 0;
  margin: 24px;
  padding: 96px 48px 88px;
  background: var(--blue-dark);
  border: 1px solid rgba(255,255,255,.25);
  overflow: hidden;
}
.hero h1 { font-size: 60px; line-height: 1.08; color: var(--white); margin: 0 0 28px; max-width: 720px; }
.hero__sub { font-size: 18px; line-height: 1.6; color: rgba(255,255,255,.72); max-width: 560px; margin: 0 0 40px; }
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  background: var(--accent); color: #fff; padding: 14px 26px;
  font-family: var(--font-mono); font-size: 14px; letter-spacing: 0.03em;
  border: none; cursor: pointer;
}

/* diensten */
.section-intro { padding: 100px 48px 8px; max-width: 1120px; margin: 0 auto; }
.lead { font-family: var(--font-display); font-weight: 500; font-size: 26px; line-height: 1.4; max-width: 760px; margin: 0 0 64px; }
.lead-sm { font-size: 16px; line-height: 1.6; color: var(--ink-soft); margin: 0 0 28px; max-width: 460px; }

.services {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px;
  background: var(--line);
  max-width: 1120px; margin: 0 auto 120px;
  border: 1px solid var(--line);
}
.service { background: var(--bg); padding: 40px; }
.service__num { font-family: var(--font-mono); font-size: 13px; color: var(--accent); margin-bottom: 18px; }
.service h3 { font-size: 21px; line-height: 1.3; margin: 0 0 14px; }
.service p { font-size: 15px; line-height: 1.65; color: var(--ink-soft); margin: 14px 0 0; }
.service p:first-of-type { margin-top: 0; }
.service strong { color: var(--ink); font-weight: 600; }

/* reasonably-secure tooltip */
.tooltip {
  position: relative;
  border-bottom: 1px dotted var(--accent);
  cursor: help;
}
.tooltip__bubble {
  position: absolute;
  left: 50%; bottom: calc(100% + 10px);
  transform: translate(-50%, 4px);
  width: 260px;
  background: var(--blue-dark);
  color: rgba(255,255,255,.88);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  padding: 12px 14px;
  border: 1px solid rgba(255,255,255,.2);
  visibility: hidden;
  opacity: 0;
  transition: opacity .15s ease, transform .15s ease;
  pointer-events: none;
  z-index: 10;
}
.tooltip:hover .tooltip__bubble,
.tooltip:focus .tooltip__bubble,
.tooltip:focus-visible .tooltip__bubble {
  visibility: visible;
  opacity: 1;
  transform: translate(-50%, 0);
}

/* werkwijze */
.werkwijze { padding: 100px 48px; background: var(--bg-panel); }
.werkwijze__inner { max-width: 1120px; margin: 0 auto; }
.werkwijze h2 { font-size: 32px; margin: 0 0 64px; }
.steps { display: flex; align-items: flex-start; gap: 0; }
.step { flex: 1; min-width: 0; }
.step__num {
  width: 34px; height: 34px; border: 1.6px solid var(--accent); color: var(--accent);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono); font-size: 14px; margin-bottom: 20px;
}
.step h3 { font-size: 18px; margin: 0 0 10px; }
.step p { font-size: 14.5px; line-height: 1.65; color: var(--ink-soft); max-width: 300px; }
.step__line {
  height: 1.6px; width: 64px; margin-top: 17px; flex-shrink: 0;
  background-image: repeating-linear-gradient(90deg, var(--line-strong) 0 8px, transparent 8px 16px);
}

/* waarom */
.waarom { padding: 100px 48px; max-width: 900px; margin: 0 auto; }
.waarom .lead { margin-bottom: 24px; }
.waarom p:not(.lead) { font-size: 16px; line-height: 1.7; color: var(--ink-soft); margin: 0 0 20px; }
.waarom p:last-child { margin-bottom: 0; }

/* about */
.about { position: relative; z-index: 0; margin: 0 24px 120px; padding: 80px 48px; background: var(--blue-dark); border: 1px solid rgba(255,255,255,.25); overflow: hidden; }
.about__row { display: flex; gap: 48px; align-items: flex-start; max-width: 900px; }
.about__photo {
  width: 220px; height: 220px; flex-shrink: 0;
  object-fit: cover; filter: grayscale(45%) contrast(1.05);
  border: 1px solid rgba(255,255,255,.3);
}
.about__inner { max-width: 632px; }
.about p { font-size: 17px; line-height: 1.75; color: rgba(255,255,255,.85); margin: 0 0 18px; }
.about__sig {
  font-family: var(--font-mono); color: #fff; font-size: 14px; margin-top: 22px;
  padding-top: 18px; border-top: 1px solid rgba(255,255,255,.2);
}
.about__sig span { color: rgba(255,255,255,.5); }

/* referenties */
.referenties { padding: 0 48px 120px; max-width: 900px; margin: 0 auto; }
.ref-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; }
.ref-list li {
  font-family: var(--font-mono); display: flex; align-items: center; gap: 20px;
  padding: 16px 0; border-top: 1px solid var(--line); font-size: 15px;
}
.ref-list li:last-child { border-bottom: 1px solid var(--line); }
.ref-list__num { color: var(--ink-mute); }

/* contact */
.contact { padding: 20px 48px 100px; max-width: 1120px; margin: 0 auto; }
.contact h2 { font-size: 32px; margin: 0 0 20px; }
.contact__row { display: flex; gap: 64px; }
.contact__form-col { flex: 1; }

.form { display: flex; flex-direction: column; gap: 16px; max-width: 420px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field label { font-family: var(--font-mono); font-size: 12px; color: var(--ink-mute); text-transform: uppercase; letter-spacing: 0.05em; }
.field input, .field textarea {
  border: 1.4px solid var(--line-strong); background: var(--bg);
  font-family: var(--font-body); font-size: 14px; color: var(--ink);
  padding: 10px 12px; resize: vertical;
}
.field input:focus, .field textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.btn--form { align-self: flex-start; margin-top: 8px; }

.microcopy { font-family: var(--font-mono); font-size: 12px; line-height: 1.7; color: var(--ink-mute); margin: 24px 0 0; max-width: 440px; }

.contact__agenda {
  flex: 1; min-height: 480px; border: 1.4px solid var(--line-strong);
  background: var(--bg);
}
.contact__agenda iframe { width: 100%; height: 100%; min-height: 480px; border: 0; display: block; }

/* footer */
.footer {
  font-family: var(--font-mono);
  padding: 24px 48px; border-top: 1px solid var(--line);
  display: flex; align-items: center; justify-content: space-between;
  font-size: 12px; color: var(--ink-mute);
}

@media (max-width: 860px) {
  .nav { padding: 14px 20px; }
  .nav__links { gap: 16px; }
  .nav__links a:not(.nav__cta) { display: none; }
  .hero { margin: 16px; padding: 64px 24px; }
  .hero h1 { font-size: 38px; }
  .section-intro, .services, .werkwijze__inner, .waarom, .about__inner, .referenties, .contact { padding-left: 20px; padding-right: 20px; }
  .services { grid-template-columns: 1fr; margin-left: 16px; margin-right: 16px; }
  .about { margin: 0 16px 80px; padding: 48px 24px; }
  .about__row { flex-direction: column; gap: 28px; }
  .about__photo { width: 140px; height: 140px; }
  .steps { flex-direction: column; gap: 32px; }
  .step__line { display: none; }
  .contact__row { flex-direction: column; }
  .contact__agenda, .contact__agenda iframe { min-height: 320px; }
  .footer { flex-direction: column; gap: 6px; align-items: flex-start; padding: 20px; }
}