@import url('https://fonts.googleapis.com/css2?family=Montserrat:ital,wght@0,300;0,400;0,700;1,400&family=Open+Sans:ital,wght@0,400;0,700;1,400;1,700&display=swap');

:root {
  --color-diep-koningsblauw: #0B2C8B; 
  
  --color-vaal-mosgroen: #6E7F6A; 
  --color-warm-grijs-beige: #D9D5CC; 
  --color-off-white: #F7F6F3; 
  
  --color-donker-antraciet: #1E1E1E; 
  --color-deep-greengray: #0B3D33;

  --font-heading: 'Montserrat', sans-serif;
  --font-body: 'Open Sans', sans-serif;

  --container-width: 1200px;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
  
  --border-radius: 6px;
  --transition: all 0.25s ease-in-out;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 100%;
}

body {
  font-family: var(--font-body);
  color: var(--color-donker-antraciet);
  background-color: var(--color-off-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4, .font-heading {
  font-family: var(--font-heading);
  color: var(--color-diep-koningsblauw);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: var(--spacing-sm);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.75rem); }
h4 { font-size: 1.15rem; }
h5 { font-size: 1.05rem;
color: var(--color-dark-anthracite);
opacity: 60%;
padding-bottom: 1%;}

.offwhite-titel {
  color: #F7F6F3;
}

p {
  margin-bottom: var(--spacing-sm);
  font-size: 1.05rem;
}

blockquote, .quote-text {
  font-family: var(--font-body);
  font-style: italic;
  color: var(--color-donker-antraciet);
  border-left: 4px solid var(--color-vaal-mosgroen);
  padding-left: var(--spacing-sm);
  margin: var(--spacing-md) 0;
}

a {
  color: var(--color-diep-koningsblauw);
  text-decoration: none;
  transition: var(--transition);
}

a:hover, a:focus {
  text-decoration: underline;
}

.tekst-kolommen {
  max-width: var(--container-width);
  margin: 0 auto;
  margin-top: 5;
  padding: 0 var(--spacing-sm);
  columns: 2 280px;
  column-gap: var(--spacing-md);
}

.container-tekst-kolommen {
  max-width: 1200px;
  margin: 0 auto;
  margin-top: 5;
  padding: 0 var(--spacing-sm);
  columns: 2 280px;
  column-gap: var(--spacing-md);
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
}

.section-padding {
  padding: var(--spacing-lg) 0;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-md);
  align-items: center;
}
 

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-md);
}


.site-header {
  position: sticky;
  top: 0;
  background-color: var(--color-off-white);
  border-bottom: 1px solid var(--color-warm-beige);
  z-index: 1000;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.logo-brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--color-diep-koningsblauw);
}

.open-circle-icon {
  width: 28px;
  height: 28px;
  border: 3px solid var(--color-diep-koningsblauw);
  border-right-color: transparent;
  border-radius: 50%;
  display: inline-block;
  transform: rotate(-45deg);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  list-style: none;
}

.nav-link {
  font-family: var(--font-heading);
  font-weight: 400;
  color: var(--color-donker-antraciet);
  font-size: 0.95rem;
}

.nav-link:hover, .nav-link.active {
  color: var(--color-diep-koningsblauw);
  font-weight: 700;
  text-decoration: none;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.8rem;
  color: var(--color-diep-koningsblauw);
  cursor: pointer;
}

.btn {
  display: inline-block;
  font-family: var(--font-heading);
  font-weight: 700;
  padding: 0.8rem 1.6rem;
  border-radius: var(--border-radius);
  transition: var(--transition);
  text-align: center;
  cursor: pointer;
  border: 2px solid transparent;
}

.btn-primary {
  background-color: var(--color-diep-koningsblauw);
  color: var(--color-off-white);
}

.btn-primary:hover, .btn-primary:focus {
  background-color: var(--color-deep-greengray);
  color: var(--color-off-white);
  text-decoration: none;
}

.btn-secondary {
  background-color: var(--color-off-white);
  border-color: var(--color-diep-koningsblauw);
  color: var(--color-diep-koningsblauw);
}

.btn-secondary:hover, .btn-secondary:focus {
  background-color: var(--color-diep-koningsblauw);
  color: var(--color-off-white);
  text-decoration: none;
}


.card {
  background: var(--color-warm-grijs-beige);
  border: 1px solid var(--color-warm-beige);
  border-radius: var(--border-radius);
  padding: var(--spacing-md);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.card-theme {
  border-top: 4px solid var(--color-vaal-mosgroen);
}

.card-speaker {
  text-align: center;
}

.spreker-foto {
  width: 110px;
  height: 110px;
  align-self: center;
  margin-bottom: 20px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--color-vaal-mosgroen);
}

.speaker-avatar-placeholder {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background-color: var(--color-warm-beige);
  margin: 0 auto var(--spacing-sm) auto;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-donker-antraciet);
  font-size: 0.85rem;
  border: 2px dashed var(--color-vaal-mosgroen);
}


.timetable {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
}

.timetable-slot {
  display: grid;
  grid-template-columns: 120px 1fr;
  background: var(--color-warm-grijs-beige);
  padding: var(--spacing-sm) var(--spacing-md);
  border-left: 4px solid var(--color-vaal-mosgroen);
  border-radius: 0 var(--border-radius) var(--border-radius) 0;
  align-items: center;
}

.time-label {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-deep-greengray);
}


.hero {
  background-color: var(--color-off-white);
  padding: var(--spacing-xl) 0 var(--spacing-lg) 0;
  position: relative;
  overflow: hidden;
}

.hero-tag {
  display: inline-block;
  background-color: var(--color-warm-grijs-beige);
  color: var(--color-donker-antraciet);
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  padding: 0.3rem 0.8rem;
  border-radius: 20px;
  margin-bottom: var(--spacing-sm);
  text-transform: uppercase;
}


.form-group {
  margin-bottom: var(--spacing-sm);
}

.form-label {
  display: block;
  font-weight: 700;
  margin-bottom: 0.3rem;
  font-size: 0.95rem;
}

.form-input, .form-select {
  width: 100%;
  padding: 0.8rem;
  border: 1px solid var(--color-warm-beige);
  border-radius: var(--border-radius);
  font-family: var(--font-body);
  font-size: 1rem;
  background-color: var(--color-warm-grijs-beige);
}

.form-input:focus, .form-select:focus {
  outline: 2px solid var(--color-diep-koningsblauw);
  border-color: transparent;
}


.placeholder-box {
  background: var(--color-warm-beige);
  border: 2px dashed var(--color-vaal-mosgroen);
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  text-align: center;
  color: var(--color-donker-antraciet);
  font-size: 0.95rem;
}

.container-vaal-mosgroen {
  background-color: var(--color-vaal-mosgroen);
  color: var(--color-off-white);
  padding: var(--spacing-lg) 0;
  border-radius: var(--border-radius);
  text-align: center;
}

.container-vaal-mosgroen h2 {
  color: var(--color-off-white);
}


.site-footer {
  background-color: var(--color-donker-antraciet);
  color: var(--color-off-white);
  padding: var(--spacing-lg) 0 var(--spacing-md) 0;
  margin-top: var(--spacing-xl);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.footer-heading {
  color: var(--color-warm-grijs-beige);
  font-size: 1.1rem;
  margin-bottom: var(--spacing-sm);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.4rem;
}

.footer-links a {
  color: var(--color-warm-beige);
}

.footer-links a:hover {
  color: var(--color-warm-grijs-beige);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--spacing-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  font-size: 0.85rem;
  color: var(--color-warm-beige);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap; /* Zorgt dat het op mobiel netjes onder elkaar klapt */
  gap: var(--spacing-sm);
  padding-top: var(--spacing-md);
  margin-top: var(--spacing-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.85rem;
}

.footer-logo {
  height: 35px;
  width: auto;
  object-fit: contain;
  opacity: 0.85;
  transition: opacity 0.2s ease;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap; 
  gap: var(--spacing-sm);
  padding-top: var(--spacing-md);
  margin-top: var(--spacing-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.85rem;
}

.footer-logos {
  display: flex;
  align-items: center;
  gap: 1.5rem; 
}

.footer-logo {
  height: 35px; 
  width: auto;
  object-fit: contain;
  opacity: 0.85;
  transition: opacity 0.2s ease;
}

.footer-logo:hover {
  opacity: 2;
}

.erasmus-flag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: rgba(255,255,255,0.05);
  padding: 0.4rem 0.8rem;
  border-radius: 4px;
}


@media (max-width: 768px) {
  .nav-toggle {
    display: block;
  }

  .nav-menu {
    position: fixed;
    top: 80px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 80px);
    background-color: var(--color-off-white);
    flex-direction: column;
    justify-content: flex-start;
    padding: var(--spacing-lg) var(--spacing-md);
    transition: var(--transition);
  }

  .nav-menu.is-active {
    left: 0;
  }

  .timetable-slot {
    grid-template-columns: 1fr;
    gap: var(--spacing-xs);
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

.erasmus-logo {
  height: 24px;
  width: auto;
  display: inline-block;
  vertical-align: middle;
}

.form-card-container {
  color: var(--color-off-white);
  border-radius: var(--border-radius);
  overflow: hidden;
  margin-top: 0;
}

.form-header {
  background-color: var(--color-vaal-mosgroen);
  padding: 1rem var(--spacing-md);
  border-radius: var(--border-radius) var(--border-radius) 0 0;
}

.form-header .offwhite-titel {
  color: var(--color-offwhite);
  margin-bottom: 0.2rem;
}

.form-subtitle {
  margin-bottom: 0;
  color: var(--color-warm-grijs-beige);
  font-size: 0.95rem;
}

.form-body {
  background-color: var(--color-offwhite);
  padding: var(--spacing-md);
  border: 1px solid var(--color-warm-grijs-beige);
  border-top: none;
  border-radius: 0 0 var(--border-radius) var(--border-radius);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  color: var(--color-donker-antraciet);
}

.form-slot {
  background: var(--color-warm-grijs-beige);
  padding: var(--spacing-sm) var(--spacing-md);
  border-left: 4px solid var(--color-vaal-mosgroen);
  border-radius: 0 var(--border-radius) var(--border-radius) 0;
}

.form-grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--spacing-sm);
  color: var(--color-donker-antraciet);
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-label {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-deep-greengray);
  font-size: 0.9rem;
  margin-bottom: 0.3rem;
}

.form-input, .form-select {
  width: 100%;
  padding: 0.65rem 0.8rem;
  border: 1px solid rgba(11, 61, 51, 0.2);
  border-radius: var(--border-radius);
  font-family: var(--font-body);
  font-size: 0.95rem;
  background-color: var(--color-offwhite);
  color: var(--color-dark-anthracite);
}

.form-input:focus, .form-select:focus {
  outline: 2px solid var(--color-vaal-mosgroen);
  border-color: transparent;
}

.form-actions {
  margin-top: var(--spacing-xs);
  text-align: center;
}

.btn-submit {
  width: 100%;
  background-color: var(--color-deep-greengray);
  color: var(--color-offwhite);
  padding: 0.85rem;
  font-size: 1rem;
  border-radius: var(--border-radius);
}

.btn-submit:hover {
  background-color: var(--color-primary);
}

.form-footer-note {
  font-size: 0.85rem;
  color: var(--color-deep-greengray);
  margin-top: 0.6rem;
  margin-bottom: 0;
  opacity: 0.85;
}

.faq-container {
  max-width: 1150px;
  margin: 0 auto;
}

.faq-title {
  text-align: left;
  color: var(--color-diep-koningsblauw);
  margin-bottom: var(--spacing-md);
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.faq-item {
  background-color: var(--color-warm-beige);
  border-radius: var(--border-radius);
  border-left: 4px solid var(--color-vaal-mosgroen);
  overflow: hidden;
  transition: background-color 0.2s ease;
}

.faq-item[open] {
  background-color: var(--color-offwhite);
  border: 1px solid var(--color-warm-beige);
  border-left: 4px solid var(--color-vaal-mosgroen);
}

.faq-question {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-deep-greengray);
  padding: var(--spacing-sm) var(--spacing-md);
  cursor: pointer;
  list-style: none; /* Verwijdert de standaard pijl op sommige browsers */
  position: relative;
  user-select: none;
}

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

.faq-question::after {
  content: "+";
  position: absolute;
  right: var(--spacing-md);
  font-weight: 400;
  font-size: 1.2rem;
  color: var(--color-vaal-mosgroen);
}

.faq-item[open] .faq-question::after {
  content: "−";
}

.faq-answer {
  padding: 0 var(--spacing-md) var(--spacing-sm) var(--spacing-md);
  color: var(--color-dark-anthracite);
  line-height: 1.5;
}

.faq-answer p {
  margin-bottom: 0;
}

.footer-logos a {
  display: inline-block;
  text-decoration: none; 
  line-height: 0;     
}

.hero-image {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 8px;
}