/* Palette kept in step with leovaniersel.nl: #2f6f9f accent, slate-grey text,
   pale blue-grey borders. No web fonts, so the page renders instantly. */
:root {
  --accent: #2f6f9f;
  --accent-dark: #24587e;
  --ink: #1f2933;
  --muted: #5f6b7a;
  --border: #e3e8ef;
  --tint: #f2f7fb;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: #fbfcfd;
  color: var(--ink);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  -webkit-text-size-adjust: 100%;
}

.page {
  max-width: 820px;
  margin: 0 auto;
  padding: 2.5rem 1.25rem 1rem;
}

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

/* ---- Hero ---- */
.hero {
  border-left: 4px solid var(--accent);
  padding-left: 1.25rem;
  margin-bottom: 3rem;
}

.hero__kicker {
  margin: 0 0 0.35rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}

/* Organiser mark: the logo alone carries the attribution, so its alt text is
   what anyone with images off or a screen reader gets. */
.hero__logos {
  display: flex;
  align-items: center;
  gap: 1.6rem;
  margin: 0 0 1.75rem;
}

.hero__organiser,
.hero__partner { display: inline-block; }

.hero__organiser img {
  width: auto;
  height: 62px;
  display: block;
}

/* The NWO mark is a tall block rather than a wordmark; matched to the AIM
   logo's height it reads as a peer rather than a footnote. */
.hero__partner img {
  width: auto;
  height: 62px;
  display: block;
}

.hero__title {
  margin: 0 0 1rem;
  font-size: 2.1rem;
  line-height: 1.2;
  font-weight: 700;
}

.hero__lead {
  margin: 0 0 1.75rem;
  font-size: 1.05rem;
  color: #3d4855;
}

/* ---- Date / time / location ---- */
.facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 0.75rem;
  margin: 0 0 1.5rem;
}

.fact {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.7rem 0.9rem;
}

.fact dt {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.fact dd {
  margin: 0.2rem 0 0;
  font-weight: 600;
}

.fact__sub {
  font-weight: 400;
  font-size: 0.85rem;
  color: var(--muted);
}

/* ---- Calls to action ---- */
.button {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  text-decoration: none;
  padding: 0.55rem 1.3rem;
  border-radius: 6px;
}

.button:hover { background: var(--accent-dark); color: #fff; }

/* Secondary action: same shape, so it lines up with Register, but it does not
   compete with it. */
.button--quiet {
  background: #fff;
  color: var(--accent);
  border: 1px solid #cfdae6;
}

.button--quiet:hover {
  background: var(--tint);
  color: var(--accent-dark);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  align-items: center;
  margin: 0.9rem 0 0;
}

.notice {
  background: var(--tint);
  border: 1px solid #cfdae6;
  border-radius: 6px;
  padding: 0.6rem 0.9rem;
  margin: 0;
  font-size: 0.92rem;
  color: #35506b;
}

/* ---- Sections ---- */
.section { margin-bottom: 2.75rem; }

.section h2 {
  font-size: 1.3rem;
  margin: 0 0 0.75rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--border);
}

.section__note {
  margin: -0.3rem 0 1rem;
  font-size: 0.85rem;
  font-style: italic;
  color: var(--muted);
}

/* ---- Programme ---- */
.programme {
  list-style: none;
  margin: 0;
  padding: 0;
}

.programme__item {
  display: flex;
  gap: 1rem;
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--border);
}

.programme__item:last-child { border-bottom: 0; }

.programme__time {
  flex: 0 0 4.2rem;
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  color: var(--accent);
}

.programme__body { display: flex; flex-direction: column; }
.programme__title { font-weight: 600; }
.programme__speaker { font-size: 0.92rem; }

.programme__note {
  font-size: 0.88rem;
  color: var(--muted);
}

.plain { list-style: none; margin: 0; padding: 0; }
.plain li { padding: 0.2rem 0; }

/* ---- Related links ---- */
.links {
  list-style: none;
  margin: 0;
  padding: 0;
}

.links li {
  padding: 0.45rem 0 0.45rem 1rem;
  border-left: 2px solid var(--border);
}

.links li + li { margin-top: 0.35rem; }

.links a { font-weight: 600; }

.links__note {
  display: block;
  margin-top: 0.1rem;
  font-size: 0.88rem;
  color: var(--muted);
}

/* ---- Organisers ---- */
.organisers {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 0.75rem;
}

.organiser {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.7rem 0.9rem;
}

.organiser__name {
  display: block;
  font-weight: 600;
}

.organiser__meta {
  display: block;
  margin-top: 0.15rem;
  font-size: 0.85rem;
  color: var(--muted);
}

/* ---- Footer ---- */
.site-footer {
  max-width: 820px;
  margin: 0 auto;
  padding: 1.25rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.85rem;
}

.site-footer p { margin: 0; }

@media (max-width: 480px) {
  .page { padding-top: 1.75rem; }
  .hero__title { font-size: 1.65rem; }
  .programme__item { flex-direction: column; gap: 0.15rem; }
}