:root {
  --bg: #e4ebf2;
  --bg-tint: #eef4fa;
  --surface: #f3f7fb;
  --ink: #0a2138;
  --muted: #51687f;
  --accent: #17508f;
  --accent-strong: #0f3d6e;
  --line: #c2d2e1;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(1100px 520px at 50% -10%, var(--bg-tint), var(--bg));
  color: var(--ink);
  font: 17px/1.7 var(--sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* Top bar */
.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 1.5rem;
  background: rgba(228, 235, 242, 0.82);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.brand {
  font-family: var(--serif);
  font-size: 1.05rem;
  letter-spacing: 0.06em;
  color: var(--ink);
  text-decoration: none;
}

.langswitch { display: flex; gap: 0.25rem; }

.langswitch button {
  appearance: none;
  border: 0;
  background: transparent;
  cursor: pointer;
  font: inherit;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  color: var(--muted);
  padding: 0.3rem 0.5rem;
  border-radius: 6px;
  transition: color 0.15s, background 0.15s;
}

.langswitch button:hover { color: var(--accent); }

.langswitch button[aria-current="true"] {
  color: var(--accent-strong);
  background: rgba(23, 80, 143, 0.10);
}

/* Layout */
main {
  max-width: 46rem;
  margin: 0 auto;
  padding: 0 1.5rem 4rem;
}

.rule {
  width: 3rem;
  height: 1px;
  margin: 0 auto;
  background: var(--line);
}

/* Hero */
.hero {
  text-align: center;
  padding: 4.5rem 0 4rem;
}

.kicker {
  margin: 0 0 1rem;
  font-size: 0.78rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--accent);
}

h1 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2.6rem, 9vw, 4.4rem);
  line-height: 1.05;
  margin: 0;
  color: var(--ink);
}

.date {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.2rem;
  color: var(--muted);
  margin: 0.9rem 0 1.4rem;
}

.lede {
  max-width: 32rem;
  margin: 0 auto 2rem;
  font-size: 1.1rem;
  color: var(--ink);
}

/* Sections */
.block {
  text-align: center;
  padding: 3.5rem 0;
}

h2 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.8rem, 5vw, 2.4rem);
  margin: 0 0 1rem;
  color: var(--ink);
}

.block p { margin: 0.4rem auto; max-width: 34rem; color: var(--ink); }

.venue { font-family: var(--serif); font-size: 1.3rem; }
.address { color: var(--muted); }

/* Buttons & links */
.btn {
  display: inline-block;
  margin-top: 1.4rem;
  padding: 0.8rem 1.9rem;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  border-radius: 999px;
  transition: background 0.15s, transform 0.15s;
}

.btn:hover { background: var(--accent-strong); transform: translateY(-1px); }

.link {
  display: inline-block;
  margin-top: 1rem;
  color: var(--accent);
  text-decoration: none;
  font-size: 0.95rem;
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
}

.link:hover { color: var(--accent-strong); }

/* Timeline */
.timeline {
  list-style: none;
  margin: 1.5rem auto 0;
  padding: 0;
  max-width: 24rem;
  text-align: left;
}

.timeline li {
  display: flex;
  align-items: baseline;
  gap: 1.2rem;
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--line);
}

.timeline li:last-child { border-bottom: 0; }

.timeline .time {
  font-family: var(--serif);
  font-size: 1.05rem;
  color: var(--accent);
  min-width: 3.2rem;
}

/* What to bring */
.bring {
  list-style: none;
  margin: 1.4rem auto 0;
  padding: 0;
  max-width: 26rem;
}

.bring li {
  padding: 0.55rem 0;
  color: var(--ink);
}

.bring li + li { border-top: 1px solid var(--line); }

/* Footer */
.foot {
  text-align: center;
  padding: 3rem 0 1rem;
}

.foot p {
  font-family: var(--serif);
  font-style: italic;
  color: var(--muted);
}

@media (max-width: 480px) {
  .hero { padding: 3rem 0 2.5rem; }
  .block { padding: 2.75rem 0; }
}