/* ==========================================================================
   Slappewas — stylesheet
   Huisstijl: wit + midnight blue (#272757), serif koppen (Fraunces),
   sans-serif body (Inter). Rustig, veel witruimte, spaarzaam accentgebruik.
   ========================================================================== */

:root {
  --white: #ffffff;
  --text: #1a1a2e;

  /* Midnight blue, uitgedrukt in HSL zodat tinten consistent afgeleid worden */
  --brand-h: 240;
  --brand-s: 38%;
  --brand: hsl(var(--brand-h) var(--brand-s) 25%);        /* #272757 */
  --brand-dark: hsl(var(--brand-h) var(--brand-s) 18%);    /* hover op donker */
  --brand-darker: hsl(var(--brand-h) var(--brand-s) 12%);
  --brand-light: hsl(var(--brand-h) var(--brand-s) 40%);   /* subtiele accenten */
  --brand-tint: hsl(var(--brand-h) 30% 96%);                /* zeer lichte achtergrondtint */
  --brand-tint-border: hsl(var(--brand-h) 25% 88%);

  --font-heading: "Fraunces", Georgia, serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --max-width: 42rem;
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.75rem;
  --space-4: 2.5rem;
  --space-5: 4rem;
  --space-6: 6rem;
}

/* Regellengte loopt op zodra er meer dan mobiel scherm beschikbaar is,
   zodat tekst niet onnodig smal blijft op tablet/desktop. */
@media (min-width: 640px) {
  :root {
    --max-width: 48rem;
  }
}

@media (min-width: 1024px) {
  :root {
    --max-width: 56rem;
  }
}

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

html {
  scroll-behavior: smooth;
}

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

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

.wrap {
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--space-3);
}

/* Koppen ------------------------------------------------------------- */

h1,
h2,
h3,
h4 {
  font-family: var(--font-heading);
  color: var(--brand);
  line-height: 1.2;
  margin-top: 0;
}

h1 {
  font-size: clamp(2.25rem, 5vw + 1rem, 3.25rem);
  font-weight: 500;
  letter-spacing: -0.01em;
  margin-bottom: var(--space-2);
}

h2 {
  font-size: clamp(1.65rem, 2.5vw + 1rem, 2.1rem);
  font-weight: 500;
  margin-bottom: var(--space-3);
}

h3 {
  font-size: 1.3rem;
  font-weight: 500;
  margin-bottom: var(--space-2);
}

h4 {
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-top: var(--space-3);
  margin-bottom: var(--space-1);
}

p {
  margin-top: 0;
  margin-bottom: var(--space-2);
}

a {
  color: var(--brand);
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--brand-light);
  outline-offset: 2px;
}

/* Skip link ------------------------------------------------------------- */

.skip-link {
  position: absolute;
  left: -999px;
  top: auto;
  background: var(--brand);
  color: var(--white);
  padding: var(--space-1) var(--space-2);
  z-index: 100;
}

.skip-link:focus {
  left: var(--space-2);
  top: var(--space-2);
}

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

.site-header {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--brand-tint-border);
  z-index: 10;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-2);
  gap: var(--space-2);
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--brand);
  text-decoration: none;
}

.site-header nav ul {
  list-style: none;
  display: flex;
  gap: var(--space-3);
  margin: 0;
  padding: 0;
}

.site-header nav a {
  color: var(--text);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
}

.site-header nav a:hover {
  color: var(--brand);
  text-decoration: underline;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 0;
  background: transparent;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}

.nav-toggle-bar {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--brand);
  border-radius: 1px;
}

/* Secties ------------------------------------------------------------- */

.section {
  padding-block: var(--space-6);
}

.section-accent {
  background: var(--brand-tint);
}

.hero {
  padding-block: var(--space-6) var(--space-5);
}

.hero-lead {
  font-size: 1.2rem;
  color: var(--brand);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-3);
  margin-bottom: var(--space-3);
}

/* Knoppen ------------------------------------------------------------- */

.button {
  display: inline-block;
  background: var(--brand);
  color: var(--white);
  text-decoration: none;
  font-weight: 600;
  padding: 0.75em 1.5em;
  border-radius: 4px;
  transition: background-color 0.15s ease;
}

.button:hover {
  background: var(--brand-dark);
}

.button-ghost {
  background: transparent;
  color: var(--brand);
  box-shadow: inset 0 0 0 1.5px var(--brand);
}

.button-ghost:hover {
  background: var(--brand-tint);
  color: var(--brand-dark);
}

/* Accordion ------------------------------------------------------------- */

.accordion-wrap {
  padding-block: var(--space-5);
}

.accordion {
  border-top: 1px solid var(--brand-tint-border);
}

.accordion-item {
  border-bottom: 1px solid var(--brand-tint-border);
  scroll-margin-top: 4.5rem;
}

.accordion-item[open] > .accordion-summary {
  color: var(--brand-dark);
}

.accordion-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding-block: var(--space-3);
  cursor: pointer;
  list-style: none;
}

.accordion-summary::-webkit-details-marker {
  display: none;
}

.accordion-summary::marker {
  content: "";
}

.accordion-summary h2 {
  margin-bottom: 0;
  transition: color 0.15s ease;
}

.accordion-summary:hover h2 {
  color: var(--brand-dark);
}

.accordion-summary::after {
  content: "";
  flex-shrink: 0;
  width: 10px;
  height: 10px;
  margin-right: 2px;
  border-right: 2px solid var(--brand);
  border-bottom: 2px solid var(--brand);
  transform: rotate(45deg);
  transition: transform 0.2s ease;
}

.accordion-item[open] > .accordion-summary::after {
  transform: rotate(-135deg);
}

.accordion-panel {
  padding-bottom: var(--space-4);
}

.accordion-panel .service:first-child {
  margin-top: 0;
}

/* Voorlichting ------------------------------------------------------------- */

.cta-line {
  font-weight: 500;
  color: var(--brand);
}

.cta-line a {
  font-weight: 600;
}

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

.contact-details {
  margin-top: var(--space-3);
}

.contact-details div {
  margin-bottom: var(--space-2);
}

.contact-details dt {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--brand);
}

.contact-details dd {
  margin: 0;
  font-size: 1.05rem;
}

/* Disclaimers ------------------------------------------------------------- */

.disclaimer {
  font-size: 0.875rem;
  color: hsl(var(--brand-h) 15% 40%);
  max-width: 48ch;
}

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

.site-footer {
  border-top: 1px solid var(--brand-tint-border);
  padding-block: var(--space-4);
}

.site-footer p {
  margin-bottom: var(--space-1);
}

.site-footer .disclaimer {
  max-width: none;
}

/* Mobiel (~400px) ------------------------------------------------------------- */

@media (max-width: 639px) {
  .site-header {
    position: relative;
  }

  .nav-toggle {
    display: flex;
  }

  #primary-nav ul {
    display: none;
    flex-direction: column;
    gap: 0;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    margin: 0;
    background: var(--white);
    border-bottom: 1px solid var(--brand-tint-border);
    box-shadow: 0 8px 16px rgba(39, 39, 87, 0.08);
    padding: var(--space-1) var(--space-3) var(--space-2);
  }

  #primary-nav.is-open ul {
    display: flex;
  }

  .site-nav li {
    border-bottom: 1px solid var(--brand-tint-border);
  }

  .site-nav li:last-child {
    border-bottom: none;
  }

  .site-nav a {
    display: block;
    padding-block: var(--space-2);
  }
}

@media (max-width: 480px) {
  .section,
  .hero,
  .accordion-wrap {
    padding-block: var(--space-4);
  }
}