/* ── Fonts ─────────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&family=DM+Sans:wght@300;400;500&display=swap');

/* ── Reset & Base ──────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --ink:        #111111;
  --ink-soft:   #555555;
  --rule:       #DDDDDD;
  --bg:         #FAFAF8;
  --blue:       #1A3FA6;
  --blue-hover: #122D80;
  --accent:     #1A3FA6;
  --max:        780px;
  --font-serif: 'DM Serif Display', Georgia, serif;
  --font-sans:  'DM Sans', system-ui, sans-serif;
}

html { font-size: 17px; scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.65;
  font-weight: 300;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ── Layout ────────────────────────────────────────────── */
.container { max-width: var(--max); margin: 0 auto; padding: 0 1.5rem; }

main { flex: 1; }

/* ── Nav ───────────────────────────────────────────────── */
nav {
  border-bottom: 1px solid var(--rule);
  padding: 1.1rem 0;
  position: sticky; top: 0;
  background: var(--bg);
  z-index: 100;
}

nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.nav-brand {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: -0.01em;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  gap: 0.25rem;
  list-style: none;
  align-items: center;
  flex-wrap: wrap;
}

.nav-links a {
  font-size: 0.82rem;
  font-weight: 400;
  color: var(--ink-soft);
  text-decoration: none;
  padding: 0.3rem 0.6rem;
  border-radius: 4px;
  transition: color 0.15s;
  letter-spacing: 0.02em;
}

.nav-links a:hover,
.nav-links a.active { color: var(--ink); }

.nav-right { display: flex; align-items: center; gap: 1rem; }

/* language toggle */
.lang-toggle {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
  cursor: pointer;
  background: none;
  border: none;
  font-family: var(--font-sans);
  padding: 0.3rem 0.5rem;
  border-radius: 4px;
  transition: color 0.15s;
}
.lang-toggle:hover { color: var(--ink); }
.lang-toggle .sep { margin: 0 0.2rem; opacity: 0.4; }
.lang-toggle .active-lang { color: var(--ink); font-weight: 500; }

/* ── Hero ──────────────────────────────────────────────── */
.hero {
  border-bottom: 1px solid var(--rule);
  padding: 5rem 0 4rem;
}

.hero-eyebrow {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 1.2rem;
}

.hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  max-width: 640px;
  margin-bottom: 1.5rem;
}

.hero-meta {
  font-size: 0.88rem;
  color: var(--ink-soft);
  margin-bottom: 2rem;
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.hero-meta span::before { content: '— '; opacity: 0.4; }

/* ── Sections ──────────────────────────────────────────── */
section { border-bottom: 1px solid var(--rule); padding: 3rem 0; }
section:last-of-type { border-bottom: none; }

section h2 {
  font-family: var(--font-serif);
  font-size: 1.45rem;
  letter-spacing: -0.01em;
  margin-bottom: 1.4rem;
}

section h3 {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 0.75rem;
  margin-top: 1.6rem;
}

section h3:first-child { margin-top: 0; }

p { margin-bottom: 0.9rem; max-width: 620px; }
p:last-child { margin-bottom: 0; }

ul {
  list-style: none;
  padding: 0;
  margin-bottom: 0.9rem;
  max-width: 620px;
}

ul li {
  padding: 0.2rem 0;
  padding-left: 1rem;
  position: relative;
}

ul li::before {
  content: '·';
  position: absolute; left: 0;
  color: var(--ink-soft);
}

/* ── Info grid ─────────────────────────────────────────── */
.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1.5rem 2rem;
  margin-bottom: 1.5rem;
}

.info-block {}

.info-label {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 0.25rem;
}

.info-value {
  font-size: 0.97rem;
}

/* ── Buttons ───────────────────────────────────────────── */
.btn {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  text-decoration: none;
  padding: 0.6rem 1.4rem;
  border-radius: 4px;
  transition: background 0.15s, color 0.15s;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--blue);
  color: #fff;
}

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

.btn-outline {
  background: transparent;
  color: var(--blue);
  border: 1px solid var(--blue);
}

.btn-outline:hover { background: var(--blue); color: #fff; }

.btn-row { display: flex; gap: 0.75rem; flex-wrap: wrap; margin-top: 1.6rem; }

/* ── Links ─────────────────────────────────────────────── */
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Callout ───────────────────────────────────────────── */
.callout {
  border-left: 2px solid var(--ink);
  padding: 1rem 1.25rem;
  margin: 1.5rem 0;
  max-width: 580px;
}

.callout p { font-size: 0.97rem; margin: 0; }

/* ── Organiser logo ────────────────────────────────────── */
.org-card {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.75rem;
  text-decoration: none;
  color: inherit;
  padding: 0.1rem;
  border: 1px solid var(--rule);
  border-radius: 6px;
  transition: border-color 0.15s;
  max-width: 240px;
}

.org-card:hover { border-color: var(--ink); text-decoration: none; }

.org-logo {
  width: 110px;
  height: auto;
}

.org-name {
  font-size: 0.82rem;
  color: var(--ink-soft);
}

/* ── Partners ──────────────────────────────────────────── */
.partners-grid {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
  margin-top: 1rem;
}

/* ── Page header (inner pages) ─────────────────────────── */
.page-header {
  padding: 3.5rem 0 2.5rem;
  border-bottom: 1px solid var(--rule);
}

.page-header h1 {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  letter-spacing: -0.02em;
  line-height: 1.2;
}

/* ── Footer ────────────────────────────────────────────── */
footer {
  border-top: 1px solid var(--rule);
  padding: 1.8rem 0;
  font-size: 0.78rem;
  color: var(--ink-soft);
}

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

/* ── i18n ──────────────────────────────────────────────── */
[data-lang] { display: none; }
.lang-nl [data-lang="nl"] { display: revert; }
.lang-en [data-lang="en"] { display: revert; }

/* inline bilingual spans inside mixed elements */
span[data-lang] { display: none; }
.lang-nl span[data-lang="nl"] { display: inline; }
.lang-en span[data-lang="en"] { display: inline; }

/* ── Responsive ────────────────────────────────────────── */
@media (max-width: 600px) {
  nav .container { flex-wrap: wrap; gap: 0.75rem; }
  .nav-links { gap: 0; }
  .hero { padding: 3rem 0 2.5rem; }
  .hero-meta { flex-direction: column; gap: 0.3rem; }
}