/* ==========================================================================
   Durent – stylesheet (mobile first)
   ========================================================================== */

:root {
  --navy-900: #071a33;
  --navy-800: #0b2545;
  --navy-700: #13315c;
  --navy-100: #e8eef6;
  --green-500: #22c55e;
  --green-600: #16a34a;
  --green-700: #15803d;
  --green-50: #ecfdf3;
  --white: #ffffff;
  --gray-50: #f6f8fb;
  --gray-200: #dde3ec;
  --gray-500: #5b6b80;
  --text: #1a2b42;
  --error: #b42318;

  --font: "Inter", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Roboto, Arial, sans-serif;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow: 0 1px 2px rgba(11, 37, 69, .06), 0 8px 24px rgba(11, 37, 69, .07);
  --header-h: 68px;
  --container: 1120px;
}

*,
*::before,
*::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
  -webkit-text-size-adjust: 100%;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

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

h1, h2, h3 {
  margin: 0 0 .6em;
  line-height: 1.2;
  color: var(--navy-800);
  letter-spacing: -.015em;
}

h1 { font-size: clamp(2.1rem, 7vw, 3.6rem); font-weight: 800; }
h2 { font-size: clamp(1.7rem, 4.5vw, 2.4rem); font-weight: 750; }
h3 { font-size: 1.2rem; font-weight: 700; }

p { margin: 0 0 1em; }

a { color: var(--green-700); text-underline-offset: 3px; }
a:hover { color: var(--navy-800); }

:focus-visible {
  outline: 3px solid var(--green-500);
  outline-offset: 3px;
  border-radius: 4px;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 20px;
}

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -60px;
  z-index: 100;
  padding: 10px 16px;
  background: var(--navy-800);
  color: var(--white);
  border-radius: var(--radius-sm);
}
.skip-link:focus { top: 12px; color: var(--white); }

/* Buttons ---------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5em;
  min-height: 48px;
  padding: .75em 1.5em;
  border: 2px solid transparent;
  border-radius: 999px;
  font: inherit;
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  transition: background-color .2s, color .2s, border-color .2s, transform .2s;
}
.btn:active { transform: translateY(1px); }

.btn-primary { background: var(--green-500); color: var(--navy-900); }
.btn-primary:hover { background: #3ad672; color: var(--navy-900); }

.btn-ghost { border-color: rgba(255, 255, 255, .45); color: var(--white); }
.btn-ghost:hover { border-color: var(--white); background: rgba(255, 255, 255, .08); color: var(--white); }

.btn-small { min-height: 40px; padding: .55em 1.1em; font-size: .95rem; }
.btn-block { width: 100%; }

.btn[disabled] { opacity: .65; cursor: progress; }

/* Logo ------------------------------------------------------------------- */

.logo {
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -.03em;
  color: var(--navy-800);
  text-decoration: none;
}
.logo span { color: var(--green-600); }
.logo:hover { color: var(--navy-800); }
.logo-light, .logo-light:hover { color: var(--white); }
.logo-light span { color: var(--green-500); }

/* Header ----------------------------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, .96);
  border-bottom: 1px solid transparent;
  transition: border-color .2s, box-shadow .2s;
}
@supports (backdrop-filter: blur(8px)) {
  .site-header { background: rgba(255, 255, 255, .85); backdrop-filter: blur(10px); }
}
.site-header.is-scrolled { border-color: var(--gray-200); box-shadow: 0 2px 12px rgba(11, 37, 69, .06); }

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-h);
}

.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 0;
  border-radius: var(--radius-sm);
  background: transparent;
  cursor: pointer;
}
.nav-toggle-bar,
.nav-toggle-bar::before,
.nav-toggle-bar::after {
  display: block;
  width: 24px;
  height: 2px;
  border-radius: 2px;
  background: var(--navy-800);
  transition: transform .25s, background-color .25s;
}
.nav-toggle-bar { position: relative; }
.nav-toggle-bar::before,
.nav-toggle-bar::after { content: ""; position: absolute; left: 0; }
.nav-toggle-bar::before { top: -7px; }
.nav-toggle-bar::after { top: 7px; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar::before { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar::after { transform: translateY(-7px) rotate(-45deg); }

.site-nav {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  display: none;
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
  box-shadow: 0 12px 24px rgba(11, 37, 69, .08);
}
.site-nav.is-open { display: block; }
.site-nav ul {
  list-style: none;
  margin: 0;
  padding: 8px 20px 20px;
}
.site-nav li + li { border-top: 1px solid var(--gray-200); }
.site-nav li:last-child { border-top: 0; padding-top: 12px; }
.site-nav a:not(.btn) {
  display: block;
  padding: 14px 0;
  color: var(--navy-800);
  font-weight: 600;
  text-decoration: none;
}
.site-nav a:not(.btn):hover { color: var(--green-700); }
.site-nav .btn { width: 100%; }

@media (min-width: 900px) {
  .nav-toggle { display: none; }
  .site-nav {
    position: static;
    display: block;
    background: none;
    border: 0;
    box-shadow: none;
  }
  .site-nav ul {
    display: flex;
    align-items: center;
    gap: 28px;
    padding: 0;
  }
  .site-nav li + li { border: 0; }
  .site-nav li:last-child { padding-top: 0; }
  .site-nav a:not(.btn) { padding: 6px 0; font-size: .98rem; }
  .site-nav .btn { width: auto; }
}

/* Hero ------------------------------------------------------------------- */

.hero {
  position: relative;
  overflow: hidden;
  color: var(--white);
  background:
    radial-gradient(900px 500px at 85% 10%, rgba(34, 197, 94, .18), transparent 60%),
    linear-gradient(160deg, var(--navy-800) 0%, var(--navy-900) 100%);
}
.hero::after {
  content: "";
  position: absolute;
  inset: auto -10% -1px -10%;
  height: 80px;
  background: var(--white);
  clip-path: ellipse(60% 100% at 50% 100%);
}

.hero-inner {
  position: relative;
  z-index: 1;
  padding-block: 64px 120px;
}

.hero h1 { color: var(--white); max-width: 15ch; }
.hero .accent { color: var(--green-500); }

.hero-text {
  max-width: 36rem;
  font-size: 1.15rem;
  color: rgba(255, 255, 255, .85);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}
.hero-actions .btn { flex: 1 1 auto; }

.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin: 36px 0 0;
  padding: 0;
  list-style: none;
  font-size: .95rem;
  color: rgba(255, 255, 255, .8);
}
.hero-points li {
  display: flex;
  align-items: center;
  gap: 8px;
}
.hero-points li::before {
  content: "";
  width: 18px;
  height: 18px;
  flex: none;
  border-radius: 50%;
  background: var(--green-500) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23071a33' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 12.5 4 4L18 8'/%3E%3C/svg%3E") center / 12px no-repeat;
}

@media (min-width: 600px) {
  .hero-actions .btn { flex: 0 0 auto; }
}
@media (min-width: 900px) {
  .hero-inner { padding-block: 104px 160px; }
  .hero-text { font-size: 1.25rem; }
}

/* Sections --------------------------------------------------------------- */

.section { padding-block: 72px; }
.section-alt { background: var(--gray-50); }

@media (min-width: 900px) {
  .section { padding-block: 104px; }
}

.section-head {
  max-width: 40rem;
  margin-bottom: 40px;
}
.section-head p:last-child { color: var(--gray-500); margin-bottom: 0; }

.eyebrow {
  display: inline-block;
  margin-bottom: .75em;
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--green-700);
}
.hero .eyebrow,
.section-dark .eyebrow { color: var(--green-500); }

/* Cards ------------------------------------------------------------------ */

.cards {
  display: grid;
  gap: 20px;
}
@media (min-width: 700px) {
  .cards-2 { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 900px) {
  .cards-3 { grid-template-columns: repeat(3, 1fr); gap: 24px; }
  .cards-2 { gap: 24px; }
}

.card {
  padding: 28px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: transform .2s, box-shadow .2s;
}
.card:hover { transform: translateY(-3px); box-shadow: 0 2px 4px rgba(11, 37, 69, .06), 0 16px 32px rgba(11, 37, 69, .1); }
.card p { margin: 0; color: var(--gray-500); }

.card-icon {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  margin-bottom: 20px;
  border-radius: 12px;
  background: var(--green-50);
  color: var(--green-700);
}
.card-icon svg { width: 28px; height: 28px; }

.card-audience { border-top: 4px solid var(--green-500); }

/* Steps ------------------------------------------------------------------ */

.steps {
  display: grid;
  gap: 20px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: none;
}
@media (min-width: 700px) {
  .steps { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1000px) {
  .steps { grid-template-columns: repeat(4, 1fr); gap: 24px; }
}

.step {
  position: relative;
  padding: 28px;
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--gray-200);
}
.step p { margin: 0; color: var(--gray-500); }

.step-number {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  margin-bottom: 18px;
  border-radius: 50%;
  background: var(--navy-800);
  color: var(--white);
  font-weight: 800;
  font-size: 1.1rem;
}
.step:last-child .step-number { background: var(--green-500); color: var(--navy-900); }

/* Over ons --------------------------------------------------------------- */

.section-dark {
  background: var(--navy-800);
  color: rgba(255, 255, 255, .85);
}
.section-dark h2,
.section-dark h3 { color: var(--white); }

.about {
  display: grid;
  gap: 40px;
}
@media (min-width: 900px) {
  .about { grid-template-columns: 1.1fr 1fr; gap: 64px; align-items: center; }
}

.about-text p:last-child { margin-bottom: 0; }

.values {
  display: grid;
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}
@media (min-width: 560px) {
  .values { grid-template-columns: repeat(2, 1fr); }
}
.values li {
  padding: 22px;
  border-radius: var(--radius);
  background: var(--navy-700);
  border: 1px solid rgba(255, 255, 255, .08);
}
.values h3 {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: .35em;
  font-size: 1.05rem;
}
.values h3::before {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--green-500);
  flex: none;
}
.values p { margin: 0; font-size: .97rem; color: rgba(255, 255, 255, .75); }

/* Contact ---------------------------------------------------------------- */

.contact {
  display: grid;
  gap: 40px;
}
@media (min-width: 900px) {
  .contact { grid-template-columns: 1fr 1.25fr; gap: 64px; align-items: start; }
}

.contact-info > p { color: var(--gray-500); }

.contact-list {
  display: grid;
  gap: 18px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}
.contact-list li {
  display: flex;
  align-items: center;
  gap: 16px;
}
.contact-list a {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--navy-800);
  text-decoration: none;
}
.contact-list a:hover { color: var(--green-700); text-decoration: underline; }
.contact-list li > div > span:last-child:not(.contact-label) { font-weight: 700; font-size: 1.1rem; color: var(--navy-800); }

.contact-address {
  font-style: normal;
  font-weight: 700;
  font-size: 1.1rem;
  line-height: 1.45;
  color: var(--navy-800);
}

.contact-label {
  display: block;
  font-size: .85rem;
  color: var(--gray-500);
}

.contact-icon {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  flex: none;
  border-radius: 12px;
  background: var(--navy-100);
  color: var(--navy-800);
}
.contact-icon svg { width: 22px; height: 22px; }

.form-wrap {
  padding: 24px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
@media (min-width: 600px) {
  .form-wrap { padding: 36px; }
}

.form-grid {
  display: grid;
  gap: 18px;
}
@media (min-width: 600px) {
  .form-grid { grid-template-columns: repeat(2, 1fr); }
  .field-full { grid-column: 1 / -1; }
}

.field label {
  display: block;
  margin-bottom: 6px;
  font-weight: 600;
  font-size: .95rem;
  color: var(--navy-800);
}
.req { color: var(--green-700); }

.field input,
.field textarea {
  width: 100%;
  padding: 12px 14px;
  font: inherit;
  font-size: 1rem;
  color: var(--text);
  background: var(--gray-50);
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-sm);
  transition: border-color .2s, background-color .2s, box-shadow .2s;
}
.field textarea { resize: vertical; min-height: 130px; }
.field input:focus,
.field textarea:focus {
  outline: none;
  background: var(--white);
  border-color: var(--green-600);
  box-shadow: 0 0 0 3px rgba(34, 197, 94, .2);
}
.field.has-error input,
.field.has-error textarea { border-color: var(--error); }
.field-error {
  display: block;
  margin-top: 6px;
  font-size: .88rem;
  color: var(--error);
}

.hidden-field {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-note {
  margin: 20px 0;
  font-size: .9rem;
  color: var(--gray-500);
}
.form-error {
  margin: 0 0 16px;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  background: #fef3f2;
  color: var(--error);
  font-size: .95rem;
}

.form-success {
  padding: 24px 8px;
  text-align: center;
}
.form-success:focus { outline: none; }
.form-success p { margin: 0; color: var(--gray-500); }
.success-icon {
  display: grid;
  place-items: center;
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: var(--green-500);
  color: var(--navy-900);
}
.success-icon svg { width: 32px; height: 32px; }

/* Footer ----------------------------------------------------------------- */

.site-footer {
  background: var(--navy-900);
  color: rgba(255, 255, 255, .7);
  font-size: .95rem;
}
.site-footer a { color: rgba(255, 255, 255, .85); text-decoration: none; }
.site-footer a:hover { color: var(--green-500); text-decoration: underline; }
.site-footer .logo:hover { text-decoration: none; color: var(--white); }

.footer-inner {
  display: grid;
  gap: 24px;
  padding-block: 48px 32px;
}
.footer-inner p { margin: 6px 0 0; }

.footer-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  margin: 0;
  padding: 0;
  list-style: none;
}

@media (min-width: 900px) {
  .footer-inner { grid-template-columns: auto 1fr; align-items: center; }
  .footer-meta { justify-content: flex-end; }
}

.footer-bottom {
  padding-block: 20px;
  border-top: 1px solid rgba(255, 255, 255, .1);
  font-size: .88rem;
}
.footer-bottom p { margin: 0; }

/* Subpagina's (privacy, bedankt) ----------------------------------------- */

.page-hero {
  padding-block: 56px 40px;
  background: linear-gradient(160deg, var(--navy-800) 0%, var(--navy-900) 100%);
  color: rgba(255, 255, 255, .85);
}
.page-hero h1 { color: var(--white); font-size: clamp(2rem, 6vw, 3rem); }
.page-hero p { margin: 0; }

.prose {
  max-width: 46rem;
  padding-block: 48px 80px;
}
.prose h2 { font-size: 1.4rem; margin-top: 1.8em; }
.prose ul { padding-left: 1.2em; margin: 0 0 1em; }
.prose li { margin-bottom: .35em; }

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  font-weight: 600;
}