:root {
  --blue-light: #66c5df;
  --blue: #1a6fa3;
  --blue-dark: #0b3d5c;
  --ink: #1d2a33;
  --muted: #5b6b77;
  --bg: #ffffff;
  --bg-alt: #f2f8fb;
  --line: #d7e6ee;
  --error: #b42318;
  --ok: #1f7a3d;
  --radius: 10px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; }
body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--bg);
}
img { max-width: 100%; height: auto; }
a { color: var(--blue); }
h1, h2, h3 { line-height: 1.25; color: var(--blue-dark); }
h1 { font-size: clamp(2rem, 4.5vw, 3rem); margin: .2em 0 .4em; }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); margin: 0 0 .8em; }
h3 { font-size: 1.15rem; margin: 0 0 .4em; }

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 760px; }
.center { text-align: center; }

/* top bar */
.topbar {
  position: sticky; top: 0; z-index: 10;
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}
.topbar-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; height: 76px; }
.brand img { display: block; width: 110px; }
.nav { display: flex; align-items: center; gap: 22px; }
.nav a { text-decoration: none; color: var(--ink); font-weight: 500; }
.nav a:hover { color: var(--blue); }

/* buttons */
.btn {
  display: inline-block;
  background: var(--blue); color: #fff !important;
  border: 0; border-radius: 999px;
  padding: .75em 1.6em;
  font: inherit; font-weight: 600;
  text-decoration: none; cursor: pointer;
  transition: background .15s;
}
.btn:hover { background: var(--blue-dark); }
.btn:disabled { opacity: .6; cursor: wait; }
.btn-small { padding: .45em 1.1em; }

/* hero */
.hero {
  background: linear-gradient(135deg, #ffffff 0%, #eaf6fb 60%, #d5eef7 100%);
  padding: 72px 0 80px;
}
.hero-inner { display: grid; grid-template-columns: 1.2fr 1fr; gap: 40px; align-items: center; }
.eyebrow { text-transform: uppercase; letter-spacing: .12em; font-weight: 700; color: var(--blue); font-size: .85rem; margin: 0; }
.lead { font-size: 1.2rem; color: var(--muted); max-width: 36em; }
.hero-logo { justify-self: center; max-width: 420px; mix-blend-mode: multiply; }

/* sections */
.section { padding: 72px 0; }
.section.alt { background: var(--bg-alt); }

.checks { list-style: none; padding: 0; }
.checks li { position: relative; padding-left: 1.8em; margin: .4em 0; }
.checks li::before {
  content: ""; position: absolute; left: 0; top: .55em;
  width: .8em; height: .8em; border-radius: 50%;
  background: var(--blue-light); box-shadow: inset 0 0 0 3px var(--blue);
}

.callout {
  border-left: 5px solid var(--blue-light);
  background: var(--bg-alt);
  padding: 18px 24px; margin: 28px 0;
  border-radius: 0 var(--radius) var(--radius) 0;
}
.callout p { margin: 0; }

/* steps */
.steps {
  list-style: none; padding: 0; margin: 0 0 40px;
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px;
  counter-reset: step;
}
.steps li {
  counter-increment: step;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px 18px 18px; position: relative;
}
.steps li::before {
  content: counter(step);
  display: grid; place-items: center;
  width: 38px; height: 38px; border-radius: 50%;
  background: var(--blue); color: #fff; font-weight: 700;
  margin-bottom: 12px;
}
.steps p { margin: 0; font-size: .95rem; color: var(--muted); }

/* cards */
.cards { display: grid; gap: 22px; margin-bottom: 32px; }
.cards.three { grid-template-columns: repeat(3, 1fr); }
.cards.two { grid-template-columns: repeat(2, 1fr); }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px; border-top: 4px solid var(--blue-light);
}
.card p { margin: 0 0 .6em; }
.case .result { color: var(--blue); font-weight: 700; }

/* people */
.people { display: flex; justify-content: center; gap: 48px; flex-wrap: wrap; }
.person { text-align: center; }
.avatar {
  width: 120px; height: 120px; border-radius: 50%; margin: 0 auto 14px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--blue-light), var(--blue));
  color: #fff; font-size: 2.2rem; font-weight: 700;
}

/* inset: Leren = zien = ontwikkelen */
.inset-band { padding-bottom: 0; }
.inset {
  max-width: 860px; margin: 0 auto;
  background: linear-gradient(135deg, #eaf6fb 0%, #d5eef7 100%);
  border: 1px solid var(--line); border-left: 6px solid var(--blue);
  border-radius: var(--radius);
  padding: 32px 36px;
}
.inset h2 { margin-bottom: .5em; }
.inset p:last-child { margin-bottom: 0; }
@media (max-width: 760px) { .inset { padding: 22px 20px; } }

/* contact */
.contact { background: var(--blue-dark); color: #e6f2f8; }
.contact h2 { color: #fff; }
.contact a { color: var(--blue-light); }
.contact address { font-style: normal; margin-top: 24px; line-height: 1.8; }
.contact-inner { display: grid; grid-template-columns: 1fr 1.3fr; gap: 48px; align-items: start; }

.form { background: #fff; color: var(--ink); border-radius: var(--radius); padding: 28px; }
.field { margin-bottom: 16px; }
.field label { display: block; font-weight: 600; margin-bottom: 4px; font-size: .95rem; }
.field input, .field textarea {
  width: 100%; font: inherit; color: inherit;
  border: 1px solid #b9cfdb; border-radius: 8px; padding: .6em .75em;
  background: #fff;
}
.field input:focus, .field textarea:focus { outline: 2px solid var(--blue-light); border-color: var(--blue); }
.field.invalid input, .field.invalid textarea { border-color: var(--error); }
.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }

.captcha-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.captcha-img { display: inline-block; width: 180px; height: 60px; border-radius: 8px; overflow: hidden; border: 1px solid var(--line); }
.captcha-img img { display: block; }
.captcha-row input { width: 130px; flex: 0 0 auto; text-transform: uppercase; letter-spacing: .15em; }
.icon-btn {
  width: 40px; height: 40px; border-radius: 50%;
  border: 1px solid #b9cfdb; background: #fff; color: var(--blue);
  font-size: 1.2rem; cursor: pointer;
}
.icon-btn:hover { background: var(--bg-alt); }

.form-msg { min-height: 1.4em; margin: 0 0 12px; font-weight: 600; }
.form-msg.error { color: var(--error); }
.form-msg.ok { color: var(--ok); }

/* footer */
.footer { background: #072a40; color: #a9c6d6; font-size: .9rem; padding: 24px 0; }
.footer-inner { display: flex; flex-wrap: wrap; gap: 8px 28px; justify-content: space-between; }

/* responsive */
@media (max-width: 960px) {
  .steps { grid-template-columns: repeat(2, 1fr); }
  .cards.three { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .nav a:not(.btn) { display: none; }
  .hero { padding: 40px 0 48px; }
  .hero-inner, .contact-inner, .cards.two { grid-template-columns: 1fr; }
  .hero-logo { display: none; }
  .steps { grid-template-columns: 1fr; }
  .section { padding: 52px 0; }
  .form { padding: 20px; }
}