:root {
  --kleur-blauw-900: #0c1a3e;
  --kleur-blauw-800: #095197;
  --kleur-blauw-700: #0d4c89;
  --kleur-goud-500: #c79d4f;
  --kleur-goud-400: #ddbe7f;
  --kleur-offwhite: #f3f0ea;
  --kleur-oppervlak: #ffffff;
  --kleur-oppervlak-zacht: #f5f5f5;
  --kleur-tekst: #333333;
  --kleur-tekst-zacht: #4c4c4c;
  --kleur-rand: #d7d7d7;
  --schaduw-zacht: 0 1px 2px rgba(0, 0, 0, 0.08);
  --schaduw-sterk: 0 12px 30px rgba(14, 31, 56, 0.2);
  --radius-groot: 3px;
  --radius-klein: 2px;
  --max-breedte: 1030px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 14px;
  line-height: 1.45;
  color: var(--kleur-tekst);
  background: #e0dedf url("../images/bron-oude-site/oude-kennemerlogo-opaque.png") no-repeat 50% 300px fixed;
  background-size: 360px auto;
  min-height: 100vh;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--kleur-blauw-800);
  text-decoration: underline;
}

a:hover {
  color: #ffffff;
  background: var(--kleur-blauw-800);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--kleur-goud-500);
  outline-offset: 2px;
}

.skip-link {
  position: absolute;
  left: 0.5rem;
  top: -200px;
  background: var(--kleur-blauw-900);
  color: #fff;
  padding: 0.55rem 0.8rem;
  border-radius: 0 0 var(--radius-klein) var(--radius-klein);
  z-index: 1100;
  font-weight: 700;
}

.skip-link:focus {
  top: 0;
}

.container {
  width: min(96%, var(--max-breedte));
  margin-inline: auto;
}

.site-header {
  background: #ebf4ff;
  border-bottom: 1px solid var(--kleur-rand);
}

.header-balk {
  min-height: 66px;
  display: flex;
  align-items: center;
  gap: 0.9rem;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
  color: inherit;
}

.logo:hover {
  background: transparent;
  color: inherit;
}

.logo-embleem {
  width: 42px;
  height: 42px;
  object-fit: contain;
  background: #0c1a3e;
  border: 1px solid #0c1a3e;
  padding: 0.16rem;
}

.logo-tekst {
  display: grid;
  line-height: 1.15;
}

.logo-titel {
  font-family: "Trebuchet MS", "Book Antiqua", Georgia, serif;
  font-size: 1.08rem;
  color: var(--kleur-blauw-900);
  font-weight: 700;
}

.logo-subtitel {
  font-size: 0.8rem;
  color: var(--kleur-tekst-zacht);
}

.menu-knop {
  margin-left: auto;
  border: 1px solid #b8c5da;
  background: #ffffff;
  color: var(--kleur-blauw-900);
  border-radius: var(--radius-klein);
  padding: 0.45rem 0.72rem;
  font-weight: 700;
  display: none;
}

.navigatie {
  margin-left: auto;
}

.navigatie ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  padding: 0;
  margin: 0;
}

.navigatie a {
  text-decoration: none;
  color: #333333;
  display: inline-block;
  padding: 0.52rem 0.66rem;
  border-right: 1px solid #d7d7d7;
  font-weight: 700;
  line-height: 1.2;
}

.navigatie li:first-child a {
  border-left: 1px solid #d7d7d7;
}

.navigatie a:hover,
.navigatie a:focus,
.navigatie a:active {
  background: var(--kleur-blauw-700);
  color: #ffffff;
}

.navigatie a[aria-current="page"] {
  background: var(--kleur-blauw-900);
  color: #ffffff;
}

.erfgoedstrook {
  margin: 0.85rem 0 0.65rem;
  border: 1px solid #6baed1;
  border-radius: var(--radius-klein);
  overflow: hidden;
  box-shadow: var(--schaduw-zacht);
}

.erfgoedstrook img {
  width: 100%;
  max-height: 205px;
  object-fit: cover;
}

.hero {
  padding: 0 0 1rem;
}

.hero-oppervlak {
  background: #ffffff;
  border: 1px solid var(--kleur-rand);
  border-radius: var(--radius-klein);
  box-shadow: var(--schaduw-zacht);
  padding: 1rem;
}

.badge-jubileum {
  display: inline-flex;
  align-items: center;
  font-size: 0.84rem;
  font-weight: 700;
  color: #6f542a;
  background: #f6eddc;
  border: 1px solid #e8d3a8;
  padding: 0.2rem 0.55rem;
}

h1,
h2,
h3 {
  font-family: "Trebuchet MS", "Book Antiqua", Georgia, serif;
  line-height: 1.25;
  color: #666666;
  margin-top: 0;
}

h1 {
  border-top: 1px solid #dddddd;
  border-bottom: 1px solid #dddddd;
  padding: 0.25rem 0;
  font-size: clamp(1.45rem, 2.2vw, 1.95rem);
  margin: 0.65rem 0;
}

h2 {
  font-size: clamp(1.22rem, 2vw, 1.55rem);
  margin: 0 0 0.7rem;
}

h3 {
  font-size: 1.12rem;
  margin: 0 0 0.5rem;
}

p {
  margin: 0 0 0.8rem;
  color: var(--kleur-tekst);
}

.lead {
  font-size: 1rem;
  color: var(--kleur-tekst);
  max-width: 78ch;
}

.knoppenrij {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 0.95rem;
}

.knop {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  text-decoration: none;
  font-weight: 700;
  padding: 0.54rem 0.8rem;
  border-radius: var(--radius-klein);
  border: 1px solid #bfcada;
  min-width: 150px;
  transition: background-color 0.12s ease, color 0.12s ease;
}

.knop:hover,
.knop:focus,
.knop:active {
  text-decoration: none;
}

.knop-primair {
  background: var(--kleur-blauw-900);
  color: #ffffff;
  border-color: #0a1531;
}

.knop-primair:hover,
.knop-primair:focus,
.knop-primair:active {
  background: var(--kleur-blauw-800);
  color: #ffffff;
}

.knop-secundair {
  background: #f5f7fb;
  color: var(--kleur-blauw-900);
}

.knop-secundair:hover,
.knop-secundair:focus,
.knop-secundair:active {
  background: var(--kleur-blauw-800);
  color: #ffffff;
  border-color: var(--kleur-blauw-800);
}

.knop-licht {
  background: #ffffff;
  color: var(--kleur-blauw-900);
}

.knop-licht:hover,
.knop-licht:focus,
.knop-licht:active {
  background: var(--kleur-blauw-800);
  color: #ffffff;
  border-color: var(--kleur-blauw-800);
}

.sectie {
  padding: 0.45rem 0 1.5rem;
}

.sectie-header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: end;
  margin-bottom: 0.8rem;
}

.tekst-zacht {
  color: #555555;
}

.kaart-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.8rem;
}

.kaart {
  background: var(--kleur-oppervlak);
  border: 1px solid var(--kleur-rand);
  border-radius: var(--radius-klein);
  padding: 0.8rem;
}

.kaart-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 0.55rem;
  font-size: 0.9rem;
  color: #666666;
  margin: 0.45rem 0;
}

.kaart-meta span {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

.tag {
  display: inline-block;
  padding: 0.16rem 0.48rem;
  border: 1px solid #d6dfec;
  background: #f1f6fd;
  color: var(--kleur-blauw-800);
  font-size: 0.8rem;
  font-weight: 700;
}

.tag-goud {
  background: #f6eddc;
  border-color: #e8d3a8;
  color: #7a5c2f;
}

.banner {
  background: #142c4b;
  color: #ffffff;
  border-radius: var(--radius-klein);
  padding: 1.1rem;
  border: 1px solid #243f64;
}

.banner h2 {
  color: #ffffff;
}

.banner p {
  color: #dce8f9;
}

.tijdlijn {
  list-style: none;
  margin: 0;
  padding: 0;
  border-left: 2px solid #d6dde8;
  display: grid;
  gap: 0.75rem;
}

.tijdlijn li {
  position: relative;
  padding: 0.2rem 0 0.25rem 1.1rem;
}

.tijdlijn li::before {
  content: "";
  position: absolute;
  left: -0.45rem;
  top: 0.62rem;
  width: 0.62rem;
  height: 0.62rem;
  border-radius: 50%;
  background: var(--kleur-goud-500);
  border: 1px solid #f5efe1;
}

.tijdlijn-jaar {
  font-weight: 700;
  color: var(--kleur-blauw-800);
  display: inline-block;
  margin-bottom: 0.12rem;
}

.afbeelding-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
}

.afbeelding-kaart {
  background: var(--kleur-oppervlak);
  border: 1px solid var(--kleur-rand);
  border-radius: var(--radius-klein);
  padding: 0.55rem;
}

.afbeelding-kaart figcaption {
  font-size: 0.9rem;
  color: #555555;
  margin-top: 0.45rem;
}

.informatie-lijst {
  margin: 0.2rem 0 0 1.2rem;
  display: grid;
  gap: 0.28rem;
}

.lijst-zonder-punten {
  list-style: none;
  margin: 0;
  padding: 0;
}

.lijst-zonder-punten li {
  padding: 0.2rem 0;
  border-bottom: 1px solid #ededed;
}

.lijst-zonder-punten li:last-child {
  border-bottom: 0;
}

.mijlpaal-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.7rem;
}

.mijlpaal {
  border: 1px solid var(--kleur-rand);
  border-radius: var(--radius-klein);
  background: var(--kleur-oppervlak);
  padding: 0.85rem;
}

.faq-lijst {
  display: grid;
  gap: 0.45rem;
}

.faq-lijst details {
  border: 1px solid var(--kleur-rand);
  border-radius: var(--radius-klein);
  background: var(--kleur-oppervlak);
}

.faq-lijst summary {
  cursor: pointer;
  padding: 0.65rem 0.85rem;
  font-weight: 700;
  color: var(--kleur-blauw-900);
}

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

.faq-lijst summary::after {
  content: "+";
  float: right;
  font-weight: 700;
  color: var(--kleur-blauw-700);
}

.faq-lijst details[open] summary::after {
  content: "-";
}

.faq-lijst .antwoord {
  padding: 0 0.85rem 0.8rem;
}

.twee-kolommen {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 0.8rem;
}

.formulier-kaart,
.oud-blok {
  background: var(--kleur-oppervlak);
  border: 1px solid var(--kleur-rand);
  border-radius: var(--radius-klein);
  padding: 0.85rem;
}

.veld {
  margin-bottom: 0.75rem;
}

.veld label {
  display: inline-block;
  font-weight: 700;
  margin-bottom: 0.22rem;
}

.veld input,
.veld select,
.veld textarea {
  width: 100%;
  border: 1px solid #bcc7d7;
  border-radius: var(--radius-klein);
  padding: 0.45rem 0.58rem;
  font: inherit;
  background: #fff;
  color: var(--kleur-tekst);
}

.veld textarea {
  min-height: 132px;
  resize: vertical;
}

.privacy-tekst,
.notitie-klein {
  font-size: 0.9rem;
  color: #555555;
}

.melding {
  margin-top: 0.65rem;
  border: 1px solid #c7d8c7;
  background: #edf6ed;
  color: #244a24;
  border-radius: var(--radius-klein);
  padding: 0.5rem 0.62rem;
  font-weight: 600;
}

.melding[hidden] {
  display: none;
}

.foutmelding {
  border-color: #e0c1c1;
  background: #fff1f1;
  color: #7a2a2a;
}

.filterbalk {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr auto;
  gap: 0.55rem;
  background: var(--kleur-oppervlak);
  border: 1px solid var(--kleur-rand);
  border-radius: var(--radius-klein);
  padding: 0.72rem;
  margin: 0.52rem 0 0.9rem;
}

.filterbalk .veld {
  margin-bottom: 0;
}

.filterbalk .veld label {
  font-size: 0.9rem;
}

.acties-filter {
  display: grid;
  align-items: end;
}

.geen-resultaten {
  padding: 0.72rem;
  border: 1px dashed #bfcadd;
  border-radius: var(--radius-klein);
  color: #555555;
  background: #f9fbfe;
}

.detail-knop {
  margin-top: 0.45rem;
  border: 1px solid #c4cfe2;
  background: #f5f8fe;
  color: var(--kleur-blauw-900);
  padding: 0.42rem 0.68rem;
  border-radius: var(--radius-klein);
  font-weight: 700;
}

dialog.detailvenster {
  border: none;
  border-radius: var(--radius-klein);
  width: min(740px, 94vw);
  padding: 0;
  box-shadow: var(--schaduw-sterk);
}

dialog::backdrop {
  background: rgba(10, 20, 35, 0.56);
}

.detail-inhoud {
  padding: 0.9rem;
}

.detail-kop {
  display: flex;
  justify-content: space-between;
  gap: 0.8rem;
  align-items: start;
  border-bottom: 1px solid var(--kleur-rand);
  padding-bottom: 0.52rem;
  margin-bottom: 0.62rem;
}

.sluit-knop {
  border: 1px solid var(--kleur-rand);
  border-radius: var(--radius-klein);
  background: #fff;
  padding: 0.35rem 0.55rem;
  font-weight: 700;
}

.download-lijst {
  margin: 0.45rem 0 0;
  padding-left: 1.2rem;
}

.zelftest-vraaglijst {
  display: grid;
  gap: 0.75rem;
  margin-top: 0.7rem;
}

.zelftest-kaart {
  border: 1px solid var(--kleur-rand);
  border-radius: var(--radius-klein);
  padding: 0.72rem;
  background: #ffffff;
}

.zelftest-kaart legend {
  font-weight: 700;
  margin-bottom: 0.34rem;
  padding: 0;
}

.score-opties {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.42rem;
  margin-top: 0.58rem;
}

.score-optie {
  border: 1px solid #ced7e4;
  border-radius: var(--radius-klein);
  padding: 0.38rem 0.26rem;
  text-align: center;
  background: #f9fbff;
}

.score-optie label {
  display: block;
  font-weight: 700;
  cursor: pointer;
}

.score-optie input {
  margin-bottom: 0.22rem;
}

.zelftest-status {
  margin-top: 0.6rem;
  padding: 0.52rem 0.6rem;
  background: #f4f7fb;
  border: 1px solid #d7dfea;
  border-radius: var(--radius-klein);
  font-weight: 700;
}

.resultaat-kaart {
  margin-top: 0.75rem;
  padding: 0.72rem;
  border: 1px solid #d2d9e6;
  border-radius: var(--radius-klein);
  background: #f6f8fc;
}

.resultaat-band {
  display: inline-block;
  background: #f6eddc;
  border: 1px solid #e8d3a8;
  padding: 0.2rem 0.42rem;
  color: #6f542a;
  font-weight: 700;
  font-size: 0.88rem;
}

.resultaat-score {
  margin-top: 0.5rem;
  font-size: 1rem;
  font-weight: 700;
}

.site-footer {
  margin-top: 1.4rem;
  background: #333333 url("../images/bron-oude-site/oude-header-achtergrond-met-logo.png") repeat-x bottom left;
  color: #ffffff;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 1rem;
  padding: 1.3rem 0 1rem;
}

.site-footer h2 {
  color: #ffffff;
  font-size: 1.04rem;
  margin-bottom: 0.45rem;
}

.site-footer p,
.site-footer li,
.site-footer a {
  color: #e7edf7;
}

.site-footer ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.28rem;
}

.social-links {
  display: flex;
  gap: 0.36rem;
  flex-wrap: wrap;
}

.social-links a {
  text-decoration: none;
  border: 1px solid #4e6b93;
  border-radius: 999px;
  padding: 0.28rem 0.6rem;
}

.social-links a:hover,
.social-links a:focus,
.social-links a:active {
  color: #ffffff;
  background: #095197;
}

.onderregel {
  border-top: 1px solid #49638a;
  padding: 0.7rem 0 0.92rem;
  font-size: 0.9rem;
  color: #d8e3f5;
}

@media (max-width: 1100px) {
  .kaart-grid,
  .mijlpaal-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .afbeelding-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 980px) {
  .menu-knop {
    display: inline-flex;
  }

  .navigatie {
    position: absolute;
    left: 0;
    right: 0;
    top: 66px;
    background: var(--kleur-offwhite);
    border-bottom: 1px solid var(--kleur-rand);
    padding: 0.45rem 2%;
    display: none;
  }

  .navigatie.is-open {
    display: block;
  }

  .navigatie ul {
    flex-direction: column;
    gap: 0;
  }

  .navigatie a,
  .navigatie li:first-child a {
    width: 100%;
    border-left: 0;
    border-right: 0;
    border-bottom: 1px solid #d7d7d7;
  }

  .twee-kolommen,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .filterbalk {
    grid-template-columns: 1fr 1fr;
  }

  .acties-filter {
    grid-column: span 2;
  }

  .score-opties {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  body {
    background-size: 220px auto;
  }

  .kaart-grid,
  .mijlpaal-grid,
  .afbeelding-grid {
    grid-template-columns: 1fr;
  }

  .sectie-header {
    flex-direction: column;
    align-items: start;
  }

  .filterbalk {
    grid-template-columns: 1fr;
  }

  .acties-filter {
    grid-column: auto;
  }

  .score-opties {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

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