/* =========================================================
   BALLPINNETJE — LABRUIMTE
   Versie 4

   Doel:
   de illustratie staat centraal en mag langer zijn dan het scherm.
   De bezoeker ontdekt de ruimte door te scrollen.
   ========================================================= */


/* =========================================================
   1. BASISVARIABELEN
   ========================================================= */

:root {
  --blue: #0a3fa8;
  --blue-dark: #062b74;
  --blue-soft: #eaf1ff;

  --yellow: #f2c400;
  --yellow-dark: #c89f00;

  --silver-soft: #dfe3e8;
  --ink: #171717;
  --muted: #626262;
  --line: #cfd5dd;

  --paper: #ffffff;
  --header: rgba(203, 210, 220, 0.96);
  --footer: #cbd2dc;

  --max-width: 1180px;

  --header-height: 95px;
  --breadcrumb-height: 42px;

  --shadow:
    0 16px 42px
    rgba(24, 35, 55, 0.18);

  --transition:
    180ms ease;
}


/* =========================================================
   2. BASIS
   ========================================================= */

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


html {
  scroll-behavior: smooth;
}


body {
  margin: 0;

  color: var(--ink);
  background: var(--silver-soft);

  font-family:
    Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;

  line-height: 1.6;
  text-rendering: optimizeLegibility;
}


img,
svg {
  max-width: 100%;
  height: auto;
}


a {
  color: inherit;
}


button,
a {
  -webkit-tap-highlight-color: transparent;
}


button:focus-visible,
a:focus-visible {
  outline: 3px solid var(--yellow);
  outline-offset: 4px;
}


/* =========================================================
   3. SKIPLINK
   ========================================================= */

.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  z-index: 9999;

  padding:
    0.8rem
    1rem;

  color: white;
  background: var(--blue-dark);

  border-radius: 10px;
}


.skip-link:focus {
  top: 1rem;
}


/* =========================================================
   4. HEADER
   ========================================================= */

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;

  background: var(--header);

  border-bottom:
    1px solid
    rgba(6, 43, 116, 0.16);

  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}


.header-inner {
  width:
    min(
      calc(100% - 2rem),
      var(--max-width)
    );

  min-height: var(--header-height);

  margin-inline: auto;

  display: flex;
  align-items: center;
  justify-content: space-between;

  gap: 2rem;
}


.brand {
  display: inline-flex;
  align-items: center;

  text-decoration: none;
}


.brand-name {
  color: var(--blue);

  font-size:
    clamp(
      1.4rem,
      1.8vw,
      1.7rem
    );

  font-weight: 850;
  letter-spacing: -0.035em;
}


.main-nav {
  display: flex;
  align-items: center;

  gap: 0.25rem;
}


.main-nav a {
  padding:
    0.7rem
    0.9rem;

  color: var(--muted);

  font-size: 1.05rem;

  text-decoration: none;

  border-radius: 999px;

  transition:
    background var(--transition),
    color var(--transition);
}


.main-nav a:hover,
.main-nav a.active {
  color: var(--blue-dark);
  background: var(--blue-soft);
}


.menu-toggle {
  display: none;

  width: 46px;
  height: 46px;

  border:
    1px solid
    var(--line);

  border-radius: 14px;

  background: var(--paper);

  cursor: pointer;
}


.menu-toggle span {
  display: block;

  width: 22px;
  height: 2px;

  margin: 5px auto;

  background: var(--ink);
}


/* =========================================================
   5. VAST SCHRIJVERSPAD
   ========================================================= */

.site-breadcrumb {
  position: sticky;
  top: var(--header-height);
  z-index: 990;

  min-height: var(--breadcrumb-height);

  display: flex;
  align-items: center;

  background:
    rgba(223, 227, 232, 0.96);

  border-bottom:
    1px solid
    rgba(6, 43, 116, 0.12);

  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}


.site-breadcrumb ol {
  width:
    min(
      calc(100% - 2rem),
      var(--max-width)
    );

  margin: 0 auto;
  padding: 0;

  display: flex;
  align-items: center;
  flex-wrap: nowrap;

  gap: 0.45rem;

  overflow-x: auto;
  overflow-y: hidden;

  color: var(--muted);

  font-size: 0.9rem;

  list-style: none;
  white-space: nowrap;

  scrollbar-width: none;
}


.site-breadcrumb ol::-webkit-scrollbar {
  display: none;
}


.site-breadcrumb a {
  color: var(--blue);

  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}


.site-breadcrumb [aria-current="page"] {
  color: var(--ink);
  font-weight: 700;
}


/* =========================================================
   6. LABRUIMTE
   ========================================================= */

.labruimte {
  width: 100%;

  padding:
    clamp(1rem, 2vw, 1.6rem)
    0
    clamp(1.6rem, 3vw, 2.8rem);
}


.labruimte-frame {
  width:
    min(
      calc(100% - 2rem),
      1086px
    );

  margin-inline: auto;

  overflow: hidden;

  border:
    1px solid
    rgba(6, 43, 116, 0.22);

  border-radius: 28px;

  background: #bcc6d2;

  box-shadow:
    inset 0 1px 0
    rgba(255, 255, 255, 0.44),
    var(--shadow);
}


.labruimte-zoom-trigger {
  position: relative;

  width: 100%;

  margin: 0;
  padding: 0;

  display: block;

  overflow: hidden;

  color: inherit;
  background: transparent;

  border: 0;

  cursor: zoom-in;
}


.labruimte-image {
  width: 100%;
  height: auto;

  display: block;

  transition:
    transform 220ms ease,
    filter 220ms ease;
}


.labruimte-zoom-trigger:hover .labruimte-image {
  transform: scale(1.015);

  filter:
    brightness(1.02);
}


.zoom-badge {
  position: absolute;

  right: 18px;
  bottom: 18px;

  width: 48px;
  height: 48px;

  display: grid;
  place-items: center;

  color: white;
  background:
    rgba(6, 43, 116, 0.88);

  border:
    2px solid
    rgba(255, 255, 255, 0.82);

  border-radius: 50%;

  font-size: 1.9rem;
  font-weight: 500;
  line-height: 1;

  box-shadow:
    0 8px 22px
    rgba(24, 35, 55, 0.28);

  pointer-events: none;
}


/* =========================================================
   7. VERGROTING
   ========================================================= */

body.lightbox-open {
  overflow: hidden;
}


.image-lightbox {
  position: fixed;
  inset: 0;
  z-index: 3000;

  display: none;

  padding:
    clamp(1rem, 2vw, 2rem);

  align-items: center;
  justify-content: center;
}


.image-lightbox.is-open {
  display: flex;
}


.image-lightbox-backdrop {
  position: absolute;
  inset: 0;

  background:
    rgba(10, 18, 30, 0.86);

  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}


.image-lightbox-dialog {
  position: relative;
  z-index: 1;

  width:
    min(
      96vw,
      1358px
    );

  max-height: 94vh;

  overflow: hidden;

  border:
    1px solid
    rgba(255, 255, 255, 0.22);

  border-radius: 22px;

  background: #aeb9c7;

  box-shadow:
    0 24px 70px
    rgba(0, 0, 0, 0.46);
}


.image-lightbox-scroll {
  max-height: 94vh;

  overflow: auto;

  overscroll-behavior: contain;
}


.image-lightbox-image {
  width: 100%;
  max-width: 100%;
  height: auto;

  display: block;

  cursor: zoom-out;
}


.image-lightbox-close {
  position: absolute;

  top: 12px;
  right: 12px;

  z-index: 3;

  width: 46px;
  height: 46px;

  display: grid;
  place-items: center;

  color: white;
  background:
    rgba(6, 43, 116, 0.92);

  border:
    1px solid
    rgba(255, 255, 255, 0.68);

  border-radius: 50%;

  font-size: 1.9rem;
  line-height: 1;

  cursor: pointer;

  box-shadow:
    0 8px 20px
    rgba(0, 0, 0, 0.24);
}



/* =========================================================
   8. FOOTER
   ========================================================= */

.site-footer {
  margin-top: 0;

  padding:
    3rem
    0
    1.5rem;

  color: var(--ink);
  background: var(--footer);
}


.footer-inner {
  width:
    min(
      calc(100% - 2rem),
      var(--max-width)
    );

  margin-inline: auto;

  display: grid;

  grid-template-columns:
    1.2fr
    auto;

  gap: 2rem;

  align-items: start;
}


.footer-brand-name {
  display: inline-block;

  font-size: 1.2rem;
  line-height: 1.2;
}


.brand-blue {
  color: var(--blue);
}


.brand-yellow {
  color: var(--yellow-dark);
}


.footer-inner p {
  margin:
    0.3rem
    0
    0;

  color: #4f5966;
}


.footer-world-active {
  color: var(--blue-dark);
  font-weight: 850;
}


.footer-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;

  gap:
    0.55rem
    1.5rem;
}


.footer-nav a {
  color: var(--blue);
  text-underline-offset: 4px;
}


.copyright {
  width:
    min(
      calc(100% - 2rem),
      var(--max-width)
    );

  margin:
    2rem
    auto
    0;

  padding-top: 1.2rem;

  display: flex;
  align-items: center;
  justify-content: space-between;

  gap: 1.5rem;

  color: #4f5966;

  border-top:
    1px solid
    rgba(6, 43, 116, 0.14);

  font-size: 0.9rem;
}


.footer-signatuur {
  width: 150px;
  max-width: 70%;
  height: auto;

  display: block;
  flex: 0 0 auto;
}


/* =========================================================
   10. MOBIELE NAVIGATIE
   ========================================================= */

@media (max-width: 820px) {

  :root {
    --header-height: 62px;
    --breadcrumb-height: 34px;
  }


  .menu-toggle {
    display: block;
    flex: 0 0 auto;

    width: 40px;
    height: 40px;

    border-radius: 12px;
  }


  .menu-toggle span {
    width: 20px;

    margin: 4px auto;
  }


  .header-inner {
    min-height: var(--header-height);

    gap: 0.75rem;
  }


  .brand-name {
    font-size: 1.12rem;
  }


  .site-breadcrumb ol {
    width:
      min(
        calc(100% - 1.4rem),
        var(--max-width)
      );

    gap: 0.35rem;

    font-size: 0.82rem;
  }


  .main-nav {
    position: absolute;

    left: 1rem;
    right: 1rem;
    top: calc(100% + 0.5rem);

    padding: 0.7rem;

    display: none;
    flex-direction: column;
    align-items: stretch;

    border:
      1px solid
      var(--line);

    border-radius: 18px;

    background: var(--paper);

    box-shadow: var(--shadow);
  }


  .main-nav.is-open {
    display: flex;
  }


  .main-nav a {
    padding:
      0.9rem
      1rem;
  }


  .footer-inner {
    grid-template-columns: 1fr;

    gap: 1rem;
  }


  .footer-brand-name {
    font-style: italic;
  }


  .footer-brand-name .brand-blue,
  .footer-brand-name .brand-yellow {
    color: var(--ink);
  }


  .footer-nav {
    justify-content: flex-start;

    gap:
      0.35rem
      1rem;
  }


  .copyright {
    margin-top: 1.25rem;

    padding-top: 1rem;

    gap: 0.9rem;
  }

}


/* =========================================================
   9. MOBIEL
   ========================================================= */

@media (max-width: 620px) {

  .zoom-badge {
    right: 10px;
    bottom: 10px;

    width: 42px;
    height: 42px;

    font-size: 1.65rem;
  }


  .image-lightbox {
    padding: 0.5rem;
  }


  .image-lightbox-dialog {
    width: 98vw;
    max-height: 96vh;

    border-radius: 16px;
  }


  .image-lightbox-scroll {
    max-height: 96vh;
  }


  .image-lightbox-image {
    width: 100%;
    max-width: 100%;
  }


  .labruimte {
    padding:
      0.7rem
      0
      1.4rem;
  }


  .labruimte-frame {
    width:
      calc(
        100% - 0.8rem
      );

    border-radius: 18px;
  }


  .site-footer {
    padding:
      2rem
      0
      1rem;
  }


  .copyright {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;

    gap: 0.75rem;

    font-size: 0.82rem;
  }


  .copyright span {
    max-width: 215px;
  }


  .footer-signatuur {
    width: 110px;
    max-width: 34%;
  }

}


/* =========================================================
   11. KLEIN MOBIEL
   ========================================================= */

@media (max-width: 480px) {

  .brand-name {
    font-size: 1.08rem;
  }


  .site-breadcrumb ol {
    width:
      min(
        calc(100% - 1rem),
        var(--max-width)
      );

    font-size: 0.8rem;
  }


  .labruimte-frame {
    width:
      calc(
        100% - 0.5rem
      );

    border-radius: 14px;
  }

}


/* =========================================================
   12. GEREDUCEERDE BEWEGING
   ========================================================= */

@media (prefers-reduced-motion: reduce) {

  html {
    scroll-behavior: auto;
  }


  *,
  *::before,
  *::after {
    transition-duration:
      0.01ms !important;

    animation-duration:
      0.01ms !important;
  }

}