* {
  box-sizing: border-box;
}

html {
  overflow-x: hidden;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, sans-serif;
  background: #f4f4f4;
  color: #222;
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  color: #2a3e92;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.site-header {
  background: #2a3e92;
  color: white;
}

.topbar {
  display: flex;
  gap: 1rem;
  justify-content: flex-end;
  flex-wrap: wrap;
  max-width: 1180px;
  margin: auto;
  padding: .4rem 1rem;
  font-size: .9rem;
}

.topbar a,
.brand a,
.site-header nav a {
  color: white;
}

.brand {
  max-width: 1180px;
  margin: auto;
  display: flex;
  align-items: center;
  gap: clamp(.75rem, 2vw, 1.25rem);
  padding: clamp(.65rem, 2vw, 1rem);
}

.brand a {
  flex: 0 0 auto;
  line-height: 1;
  background: transparent;
  padding: 0;
  border-radius: .25rem;
  display: flex;
  align-items: center;
  max-width: min(100%, 360px);
}

.brand-logo {
  display: block;
  width: clamp(170px, 28vw, 320px);
  max-width: 100%;
  height: auto;
  max-height: clamp(54px, 9vw, 96px);
  object-fit: contain;
}

.brand span {
  min-width: 0;
  font-size: clamp(1rem, 2.2vw, 1.5rem);
  font-weight: 700;
  overflow-wrap: anywhere;
}

.main-nav {
  background: #2a3e92;
}

.menu {
  list-style: none;
  margin: 0;
  padding: 0;
}

.menu {
  display: flex;
  gap: .2rem;
  justify-content: center;
  flex-wrap: wrap;
}

.site-header nav a {
  display: block;
  padding: .85rem 1rem;
  font-weight: 700;
}

.site-header nav a:hover {
  background: #1f2f6f;
  text-decoration: none;
}

.shell {
  width: min(1180px, 100%);
  margin: 1.5rem auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 1.5rem;
  padding: 0 1rem;
}

main,
aside section {
  background: white;
  border-radius: .4rem;
  box-shadow: 0 1px 4px #0001;
}

main {
  min-width: 0;
  padding: 1.4rem;
}

aside {
  min-width: 0;
}

aside section {
  padding: 1rem;
  margin-bottom: 1rem;
}

.section-menu {
  border-top: 4px solid #2a3e92;
}

.section-menu h2 {
  margin-top: 0;
}

.section-menu ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.section-menu li + li {
  border-top: 1px solid #eef2ff;
}

.section-menu a {
  display: block;
  padding: .55rem .35rem;
  font-weight: 700;
  border-radius: .25rem;
}

.section-menu a:hover,
.section-menu a[aria-current="page"] {
  background: #eef2ff;
  text-decoration: none;
}

.hero {
  background: linear-gradient(135deg, #2a3e92, #111);
  color: white;
  border-radius: .4rem;
  padding: 2rem;
  margin-bottom: 1.5rem;
}

.hero h1 {
  overflow-wrap: anywhere;
}

.section-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.posts {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.card {
  min-width: 0;
  border: 1px solid #d6dff7;
  border-left: 6px solid #2a3e92;
  border-radius: .55rem;
  padding: 1rem;
  background: #f7f9ff;
  box-shadow: 0 2px 8px #1f2f6f18;
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.card:nth-child(even) {
  background: #eef2ff;
}

.card-image {
  display: block;
  flex: 0 0 140px;
  background: white;
  border: 1px solid #d6dff7;
  border-radius: .4rem;
  overflow: hidden;
}

.card-image img {
  display: block;
  width: 140px;
  height: auto;
}

.card-body {
  min-width: 0;
}

.card h3 {
  margin-top: 0;
}

.meta,
.source {
  color: #666;
  font-size: .9rem;
}

.page-content img,
.lead {
  max-width: 100%;
  height: auto;
  border-radius: .25rem;
}

.readmore {
  font-weight: 700;
}

.button {
  display: inline-block;
  background: #2a3e92;
  color: white;
  border: 1px solid #2a3e92;
  border-radius: .25rem;
  padding: .45rem .75rem;
  font-weight: 700;
  margin: .15rem;
}

.button:hover {
  background: #1f2f6f;
  text-decoration: none;
}

.button.secondary {
  background: white;
  color: #2a3e92;
}

.button.secondary:hover {
  background: #eef2ff;
}

.pager {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .75rem;
  flex-wrap: wrap;
  margin: 1.5rem 0 0;
}

.search-box {
  display: grid;
  gap: .4rem;
  margin: 1rem 0;
}

.search-box label {
  font-weight: 700;
}

.search-box input {
  font: inherit;
  padding: .75rem;
  border: 1px solid #ccc;
  border-radius: .3rem;
  width: 100%;
}

.archive-year {
  border-top: 1px solid #eee;
  margin-top: 1rem;
  padding-top: .5rem;
}

.archive-list {
  padding-left: 1.25rem;
}

.archive-list li {
  margin: .25rem 0;
}

.archive-list time {
  display: inline-block;
  min-width: 6.5rem;
  color: #666;
  font-size: .9rem;
}

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

.contributie-calculator {
  display: grid;
  gap: 1rem;
  margin: 1.5rem 0;
  padding: 1.25rem;
  border: 1px solid #d6dff7;
  border-left: 6px solid #2a3e92;
  border-radius: .55rem;
  background: #f7f9ff;
}

.calculator-field {
  display: grid;
  grid-template-columns: minmax(180px, 240px) minmax(0, 1fr);
  gap: .75rem 1rem;
  align-items: start;
}

.calculator-field label span {
  display: block;
  font-weight: 800;
  color: #1f2f6f;
}

.calculator-field label small {
  display: block;
  color: #666;
  line-height: 1.35;
}

.calculator-field select,
.calculator-total input {
  width: 100%;
  min-width: 0;
  font: inherit;
  padding: .65rem .75rem;
  border: 1px solid #bac6ee;
  border-radius: .35rem;
  background: white;
}

.calculator-total {
  display: grid;
  gap: .75rem;
  margin-top: .5rem;
  padding: 1rem;
  border-radius: .45rem;
  background: #2a3e92;
  color: white;
}

.calculator-total div {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: baseline;
  flex-wrap: wrap;
}

.calculator-total span {
  font-weight: 800;
}

.calculator-total strong {
  font-size: 1.7rem;
}

.calculator-total input {
  max-width: 12rem;
  color: #111;
  font-weight: 800;
}

.calculator-breakdown {
  background: white;
  border: 1px solid #d6dff7;
  border-radius: .4rem;
  padding: .75rem 1rem;
}

.calculator-breakdown summary {
  cursor: pointer;
  font-weight: 800;
  color: #2a3e92;
}

.calculator-breakdown ul {
  list-style: none;
  margin: .75rem 0 0;
  padding: 0;
}

.calculator-breakdown li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: .4rem 0;
  border-top: 1px solid #eef2ff;
}

.aanmeld-form {
  display: grid;
  gap: 1.25rem;
  margin: 1.5rem 0;
}

.aanmeld-form fieldset {
  margin: 0;
  padding: 1.25rem;
  border: 1px solid #d6dff7;
  border-left: 6px solid #2a3e92;
  border-radius: .55rem;
  background: #f7f9ff;
}

.aanmeld-form legend {
  padding: 0 .35rem;
  color: #1f2f6f;
  font-size: 1.2rem;
  font-weight: 900;
}

.form-note {
  margin: 0;
  padding: .85rem 1rem;
  border: 1px solid #d6dff7;
  border-radius: .45rem;
  background: #eef2ff;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.aanmeld-form label {
  display: block;
  font-weight: 700;
}

.form-field {
  display: grid;
  gap: .35rem;
  font-weight: 700;
}

.aanmeld-form input[type="text"],
.aanmeld-form input[type="email"],
.aanmeld-form input[type="tel"],
.aanmeld-form input[type="date"],
.aanmeld-form textarea {
  display: block;
  width: 100%;
  min-width: 0;
  font: inherit;
  font-weight: 400;
  padding: .65rem .75rem;
  margin-top: .35rem;
  border: 1px solid #bac6ee;
  border-radius: .35rem;
  background: white;
}

.aanmeld-form textarea {
  resize: vertical;
}

.aanmeld-form abbr {
  color: #b00020;
  text-decoration: none;
}

.form-label {
  display: block;
  color: #1f2f6f;
  font-weight: 900;
}

.form-field-inline,
.form-options,
.compact-options {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: .75rem 1.25rem;
}

.form-options .form-label {
  flex: 1 0 100%;
}

.form-field-inline label,
.form-options label,
.wide-option {
  display: inline-flex;
  align-items: flex-start;
  gap: .45rem;
  font-weight: 500;
}

.form-field-inline input,
.form-options input,
.wide-option input {
  margin-top: .25rem;
}

.form-actions {
  display: flex;
  gap: .75rem;
  flex-wrap: wrap;
}

@media (max-width: 700px) {
  .calculator-field {
    grid-template-columns: 1fr;
  }

  .contributie-calculator {
    padding: 1rem;
  }

  .aanmeld-form fieldset {
    padding: 1rem;
  }

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

footer {
  text-align: center;
  color: #666;
  padding: 2rem;
}

.pagination {
  display: flex;
  gap: .5rem;
  list-style: none;
  padding: 0;
}

.pagination a,
.pagination span {
  display: block;
  padding: .35rem .65rem;
  border: 1px solid #ddd;
  border-radius: .2rem;
}

@media (max-width: 1100px) {
  .shell {
    display: block;
    width: 100%;
    max-width: 760px;
    padding: 0 1rem;
  }

  main {
    margin-bottom: 1rem;
  }

  aside section {
    margin-bottom: 1rem;
  }
}

@media (max-width: 700px) {
  .topbar {
    justify-content: center;
    gap: .8rem;
  }

  .brand {
    align-items: center;
    justify-content: center;
    text-align: center;
  }

  .brand-logo {
    width: clamp(150px, 52vw, 240px);
    max-height: 72px;
  }

  .brand span {
    font-size: 1.15rem;
  }

  .menu {
    justify-content: center;
  }

  .site-header nav a {
    padding: .7rem .85rem;
  }

  .shell {
    margin: 1rem auto;
    padding: 0 .75rem;
  }

  main {
    padding: 1rem;
  }

  .hero {
    padding: 1.25rem;
  }

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

  .card {
    gap: .75rem;
    padding: .85rem;
  }

  .card-image {
    flex-basis: 120px;
  }

  .card-image img {
    width: 120px;
    height: auto;
  }
}

@media (max-width: 420px) {
  .brand {
    flex-direction: column;
    align-items: center;
    gap: .45rem;
  }

  .brand-logo {
    width: min(70vw, 220px);
    max-height: 64px;
  }

  .card {
    gap: .65rem;
  }

  .card-image {
    flex-basis: 96px;
  }

  .card-image img {
    width: 96px;
    height: auto;
  }
}