:root {
  --color-navy: #153250;
  --color-navy-dark: #0f2438;
  --color-yellow: #fab300;
  --color-yellow-dark: #e0a000;
  --color-cream: #fef6e4;
  --color-cream-dark: #f3e8cf;
  --color-white: #ffffff;
  --color-text: #1a2f45;
  --color-muted: #5a6d80;

  --font-display: "Barlow", system-ui, sans-serif;
  --font-body: "Source Sans 3", system-ui, sans-serif;

  --shadow-sm: 0 4px 16px rgba(21, 50, 80, 0.06);
  --shadow-md: 0 12px 40px rgba(21, 50, 80, 0.1);
  --shadow-lg: 0 24px 60px rgba(21, 50, 80, 0.14);

  --radius-sm: 0.75rem;
  --radius-md: 1.25rem;
  --radius-lg: 2rem;

  --header-height: 5.5rem;
  --transition: 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-cream);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--color-navy);
  transition: color var(--transition), opacity var(--transition);
}

a:hover {
  color: var(--color-yellow-dark);
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  font-weight: 800;
  font-style: italic;
  line-height: 1.1;
  color: var(--color-navy);
  margin: 0 0 1rem;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4.25rem);
}

h2 {
  font-size: clamp(2rem, 3.5vw, 3rem);
}

h3 {
  font-size: 1.5rem;
  font-style: normal;
  font-weight: 700;
}

p {
  margin: 0 0 1rem;
}

.container {
  width: min(1120px, calc(100% - 2.5rem));
  margin-inline: auto;
}

.narrow {
  width: min(760px, calc(100% - 2.5rem));
}

.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 1000;
  padding: 0.75rem 1rem;
  background: var(--color-navy);
  color: var(--color-white);
  border-radius: var(--radius-sm);
  text-decoration: none;
}

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

/* Header */

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: var(--header-height);
  transition: background var(--transition), box-shadow var(--transition), backdrop-filter var(--transition);
}

.site-header.is-scrolled {
  background: rgba(254, 246, 228, 0.88);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand img {
  width: clamp(7rem, 12vw, 9.5rem);
  border-radius: var(--radius-sm);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.site-nav a {
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  position: relative;
}

.site-nav a:not(.nav-cta)::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.35rem;
  width: 100%;
  height: 2px;
  background: var(--color-yellow);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.site-nav a:not(.nav-cta):hover::after,
.site-nav a:not(.nav-cta):focus-visible::after {
  transform: scaleX(1);
}

.nav-cta {
  padding: 0.65rem 1.15rem;
  border-radius: 999px;
  background: var(--color-navy);
  color: var(--color-white) !important;
}

.nav-cta:hover {
  background: var(--color-navy-dark);
  color: var(--color-white) !important;
}

.nav-toggle {
  display: none;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 1.5rem;
  height: 2px;
  margin: 0.35rem auto;
  background: var(--color-navy);
  transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* Hero */

.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding: calc(var(--header-height) + 3rem) 0 5rem;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 90% 10%, rgba(250, 179, 0, 0.18), transparent 60%),
    radial-gradient(ellipse 60% 50% at 0% 100%, rgba(21, 50, 80, 0.08), transparent 55%),
    linear-gradient(180deg, var(--color-cream) 0%, var(--color-cream-dark) 100%);
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3rem;
  align-items: center;
}

.eyebrow {
  display: inline-block;
  margin-bottom: 1rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-yellow-dark);
}

.eyebrow-light {
  color: var(--color-yellow);
}

.lead {
  font-size: 1.2rem;
  color: var(--color-muted);
  max-width: 38rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.9rem 1.5rem;
  border-radius: 999px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  border: 2px solid transparent;
  transition: transform var(--transition), background var(--transition), color var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--color-navy);
  color: var(--color-white);
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background: var(--color-navy-dark);
  color: var(--color-white);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: transparent;
  color: var(--color-navy);
  border-color: rgba(21, 50, 80, 0.2);
}

.btn-secondary:hover {
  border-color: var(--color-navy);
  color: var(--color-navy);
}

.btn-light {
  background: var(--color-yellow);
  color: var(--color-navy);
}

.btn-light:hover {
  background: var(--color-white);
  color: var(--color-navy);
}

.hero-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(21, 50, 80, 0.06);
}

.hero-logo {
  width: 100%;
  border-radius: var(--radius-md);
  margin-bottom: 1.25rem;
}

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

.stat {
  padding: 0.85rem;
  border-radius: var(--radius-sm);
  background: var(--color-cream);
  text-align: center;
}

.stat-value {
  display: block;
  font-family: var(--font-display);
  font-weight: 800;
  font-style: italic;
  font-size: 1.1rem;
  color: var(--color-navy);
}

.stat-label {
  display: block;
  margin-top: 0.25rem;
  font-size: 0.75rem;
  line-height: 1.3;
  color: var(--color-muted);
}

.scroll-hint {
  position: absolute;
  left: 50%;
  bottom: 1.5rem;
  transform: translateX(-50%);
  width: 1.75rem;
  height: 2.75rem;
  border: 2px solid rgba(21, 50, 80, 0.25);
  border-radius: 999px;
  text-decoration: none;
}

.scroll-hint span {
  position: absolute;
  left: 50%;
  top: 0.55rem;
  width: 0.35rem;
  height: 0.35rem;
  margin-left: -0.175rem;
  border-radius: 50%;
  background: var(--color-navy);
  animation: scroll-bounce 1.8s ease-in-out infinite;
}

@keyframes scroll-bounce {
  0%, 100% { transform: translateY(0); opacity: 1; }
  50% { transform: translateY(0.65rem); opacity: 0.35; }
}

/* Sections */

.section {
  padding: 6rem 0;
}

.section-alt {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.55), rgba(255, 255, 255, 0.2));
}

.section-heading {
  margin-bottom: 3rem;
}

.section-intro {
  max-width: 42rem;
  color: var(--color-muted);
  font-size: 1.125rem;
}

.prose p:last-child {
  margin-bottom: 0;
}

/* Activities */

.activity-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
}

.activity-card {
  display: flex;
  flex-direction: column;
  padding: 2rem;
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(21, 50, 80, 0.05);
  transition: transform var(--transition), box-shadow var(--transition);
}

.activity-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.activity-icon {
  width: 3rem;
  height: 3rem;
  margin-bottom: 1.25rem;
  padding: 0.65rem;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, rgba(250, 179, 0, 0.2), rgba(21, 50, 80, 0.08));
  color: var(--color-navy);
}

.activity-icon svg {
  width: 100%;
  height: 100%;
}

.activity-card p {
  flex: 1;
  color: var(--color-muted);
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.25rem;
  font-weight: 600;
  text-decoration: none;
}

.card-link svg {
  width: 1rem;
  height: 1rem;
  transition: transform var(--transition);
}

.card-link:hover svg {
  transform: translate(2px, -2px);
}

/* Glasfonds */

.glasfonds {
  background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-dark) 100%);
  color: var(--color-white);
}

.glasfonds h2 {
  color: var(--color-white);
}

.glasfonds p {
  color: rgba(255, 255, 255, 0.82);
  font-size: 1.125rem;
}

.glasfonds-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2.5rem;
  align-items: center;
}

.glasfonds-panel {
  padding: 2rem;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(8px);
}

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

.checklist li {
  position: relative;
  padding-left: 1.75rem;
  margin-bottom: 1rem;
  color: rgba(255, 255, 255, 0.92);
}

.checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 0.65rem;
  height: 0.65rem;
  border-radius: 2px;
  background: var(--color-yellow);
}

.checklist li:last-child {
  margin-bottom: 0;
}

/* Contact */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: start;
}

.board-card {
  padding: 2rem;
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  border-top: 4px solid var(--color-yellow);
}

.board-list {
  margin: 0 0 1.5rem;
}

.board-list div {
  display: grid;
  grid-template-columns: 8.5rem 1fr;
  gap: 0.75rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid rgba(21, 50, 80, 0.08);
}

.board-list div:last-child {
  border-bottom: 0;
}

.board-list dt {
  font-weight: 600;
  color: var(--color-muted);
}

.board-list dd {
  margin: 0;
  font-weight: 600;
  color: var(--color-navy);
}

.board-note {
  margin: 0;
  font-size: 0.95rem;
  color: var(--color-muted);
}

.board-note a {
  font-weight: 600;
}

/* Footer */

.site-footer {
  padding: 2.5rem 0 3rem;
  background: var(--color-navy-dark);
  color: rgba(255, 255, 255, 0.75);
}

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

.footer-logo {
  width: 6rem;
  border-radius: var(--radius-sm);
  opacity: 0.9;
}

.site-footer p {
  margin: 0;
}

.back-to-top {
  color: var(--color-yellow);
  text-decoration: none;
  font-weight: 600;
}

.back-to-top:hover {
  color: var(--color-white);
}

.footer-credit {
  margin-top: 1.75rem;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
}

.footer-credit p {
  margin: 0;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.45);
}

.footer-credit a {
  color: rgba(255, 255, 255, 0.65);
  text-decoration: none;
  font-weight: 500;
}

.footer-credit a:hover {
  color: var(--color-yellow);
}

/* Reveal animations */

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s cubic-bezier(0.22, 1, 0.36, 1), transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
  transition-delay: var(--delay, 0ms);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

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

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .scroll-hint span {
    animation: none;
  }

  .btn:hover,
  .activity-card:hover {
    transform: none;
  }
}

/* Responsive */

@media (max-width: 900px) {
  .hero-grid,
  .glasfonds-grid,
  .contact-grid,
  .activity-grid {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    order: -1;
  }

  .hero-stats {
    grid-template-columns: 1fr;
  }

  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: fixed;
    inset: var(--header-height) 1rem auto;
    flex-direction: column;
    align-items: stretch;
    padding: 1.25rem;
    background: var(--color-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-0.75rem);
    transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
  }

  .site-nav.is-open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .site-nav a {
    padding: 0.65rem 0;
  }

  .nav-cta {
    text-align: center;
  }
}

@media (max-width: 600px) {
  .section {
    padding: 4.5rem 0;
  }

  .board-list div {
    grid-template-columns: 1fr;
    gap: 0.25rem;
  }

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }
}