:root {
  --color-marble: #f6f4ef;
  --color-paper: #ffffff;
  --color-graphite: #16233a;
  --color-carbon: #101d30;
  --color-ink: #b5822c;
  --color-ink-soft: #f2e6d0;
  --color-slate: #5d6b7c;
  --color-hairline: #e7e1d3;

  --font-display: 'Fraunces', Georgia, "Times New Roman", serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --radius-card: 16px;
  --radius-pill: 100px;

  --shadow-quiet: 0 1px 2px rgba(16, 24, 40, 0.04), 0 2px 6px rgba(16, 24, 40, 0.05);

  --page-max-width: 1180px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--color-marble);
  color: var(--color-carbon);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  letter-spacing: -0.008em;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--color-ink); color: var(--color-paper); }

a { color: inherit; text-decoration: none; }

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.04;
}

.shell {
  max-width: var(--page-max-width);
  margin: 0 auto;
  padding: 0 24px;
}

@media (min-width: 768px) {
  .shell { padding: 0 48px; }
}

/* ---------- Nav ---------- */

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(246, 244, 239, 0.82);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-hairline);
}

.nav .shell {
  height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 18px;
  color: var(--color-carbon);
}

.brand .mark { width: 20px; height: 20px; color: var(--color-ink); }

.nav-links {
  display: none;
  align-items: center;
  gap: 28px;
  font-size: 14px;
  color: var(--color-graphite);
}

@media (min-width: 900px) { .nav-links { display: flex; } }

.nav-actions { display: flex; align-items: center; gap: 10px; }

/* ---------- Buttons / Tag ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  border-radius: var(--radius-pill);
  border: none;
  cursor: pointer;
  white-space: nowrap;
  padding: 12px 22px;
}

.btn-primary { background: var(--color-carbon); color: var(--color-paper); }
.btn-ghost { background: transparent; color: var(--color-graphite); box-shadow: inset 0 0 0 1px var(--color-hairline); }
.btn-sm { padding: 9px 16px; font-size: 13px; }

.tag {
  display: inline-block;
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--color-ink);
  background: var(--color-ink-soft);
  border-radius: var(--radius-pill);
  padding: 6px 14px;
}

.type-eyebrow {
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-ink);
}

/* ---------- Hero ---------- */

.hero { padding: 96px 0 56px; }

.hero-grid {
  display: grid;
  gap: 48px;
  align-items: center;
}

@media (min-width: 900px) {
  .hero-grid { grid-template-columns: 1.15fr 0.85fr; }
}

.hero h1 {
  font-size: clamp(2.5rem, 5.5vw, 3.75rem);
  margin: 22px 0 22px;
  max-width: 14ch;
  color: var(--color-carbon);
}

.hero .lead {
  font-size: 18px;
  color: var(--color-slate);
  max-width: 50ch;
  margin: 0 0 32px;
}

.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }

.hero-mark {
  display: flex;
  justify-content: center;
  align-items: center;
  aspect-ratio: 1;
  border-radius: var(--radius-card);
  background: var(--color-graphite);
  color: var(--color-ink);
}

.hero-mark svg { width: 46%; height: 46%; }

/* ---------- Facts strip ---------- */

.facts {
  display: grid;
  gap: 1px;
  background: var(--color-hairline);
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-card);
  overflow: hidden;
  margin: 56px 0;
}

@media (min-width: 700px) { .facts { grid-template-columns: repeat(3, 1fr); } }

.fact { background: var(--color-paper); padding: 28px; }

.fact .value {
  font-family: var(--font-display);
  font-size: 34px;
  color: var(--color-carbon);
  line-height: 1;
}

.fact .label { margin-top: 10px; font-size: 14px; color: var(--color-slate); }

/* ---------- Sections ---------- */

section { padding: 72px 0; }

.section-head { max-width: 620px; margin-bottom: 44px; }

.section-head h2 {
  font-size: clamp(1.7rem, 3vw, 2.35rem);
  margin: 14px 0 12px;
  color: var(--color-carbon);
}

.section-head p { font-size: 16px; color: var(--color-slate); margin: 0; }

/* ---------- Featured card (About) ---------- */

.card-featured {
  background: var(--color-paper);
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-quiet);
  padding: 40px;
}

.about-grid { display: grid; gap: 32px; }

@media (min-width: 900px) { .about-grid { grid-template-columns: 1fr 1fr; } }

.about-copy h2 { font-size: 1.9rem; margin: 14px 0 16px; color: var(--color-carbon); max-width: 22ch; }
.about-copy p { color: var(--color-slate); font-size: 16px; margin: 0 0 14px; max-width: 68ch; }

/* ---------- Cards / grid ---------- */

.card {
  background: var(--color-paper);
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-quiet);
  padding: 24px;
}

.grid { display: grid; gap: 16px; grid-template-columns: 1fr; }

@media (min-width: 700px) { .grid-2 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 900px) { .grid-3 { grid-template-columns: repeat(3, 1fr); } }

.activity-index {
  font-family: var(--font-display);
  font-size: 22px;
  color: var(--color-ink);
  margin-bottom: 8px;
}

.card h3 { font-family: var(--font-body); font-weight: 600; font-size: 16.5px; color: var(--color-carbon); margin: 0 0 8px; letter-spacing: -0.01em; }
.card p { font-size: 14.5px; color: var(--color-slate); margin: 0; line-height: 1.55; }

/* ---------- Registration card ---------- */

.reg-card { font-size: 14.5px; }

.reg-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px solid var(--color-hairline);
}

.reg-row:last-child { border-bottom: none; }
.reg-row dt { color: var(--color-slate); }
.reg-row dd { margin: 0; color: var(--color-carbon); font-weight: 500; text-align: right; }
.reg-row dl { display: contents; }

.status-line {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 18px;
  font-size: 13.5px;
  color: var(--color-ink);
  font-weight: 500;
}

/* ---------- Contact ---------- */

.contact-card { display: grid; gap: 26px; grid-template-columns: 1fr; }

@media (min-width: 700px) { .contact-card { grid-template-columns: 1fr 1fr; } }

.contact-field { font-size: 14.5px; }
.contact-field .label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-slate);
  margin-bottom: 6px;
  display: block;
}
.contact-field .value { color: var(--color-carbon); font-size: 15.5px; font-weight: 500; }

/* ---------- Footer ---------- */

footer { border-top: 1px solid var(--color-hairline); padding: 36px 0; }

.footer-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: var(--color-slate);
}