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

:root {
  --green-dark: #1a3c34;
  --green-mid: #2d6a4f;
  --green-light: #52b788;
  --blue-dark: #1b3a5c;
  --blue-mid: #3a7ca5;
  --blue-light: #d0e8f2;
  --sand: #f5f0e8;
  --white: #ffffff;
  --text: #2c2c2c;
  --text-light: #555;
  --radius: 6px;
}

html { scroll-behavior: smooth; }

body {
  font-family: "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  line-height: 1.7;
  background: var(--white);
}

.container { max-width: 960px; margin: 0 auto; padding: 0 1.5rem; }

a { color: var(--blue-mid); text-decoration: none; }
a:hover { color: var(--green-mid); }

h1, h2, h3, h4 { color: var(--green-dark); line-height: 1.3; }
h1 { font-size: 2rem; margin-bottom: 0.75rem; }
h2 { font-size: 1.5rem; margin: 2rem 0 0.75rem; border-bottom: 2px solid var(--green-light); padding-bottom: 0.3rem; }
h3 { font-size: 1.2rem; margin: 1.5rem 0 0.5rem; }

p { margin-bottom: 1rem; }
ul, ol { margin: 0 0 1rem 1.5rem; }

/* ── Header / Nav ────────────────────────────────── */
.site-header {
  background: var(--green-dark);
  color: var(--white);
  padding: 0.8rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-logo {
  color: var(--white);
  font-weight: 700;
  font-size: 1.3rem;
  letter-spacing: 1px;
}
.site-logo:hover { color: var(--green-light); }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--white);
  font-size: 1.6rem;
  cursor: pointer;
}

.nav-list {
  list-style: none;
  display: flex;
  gap: 1.5rem;
  margin: 0;
  padding: 0;
}

.nav-list a {
  color: var(--blue-light);
  font-weight: 500;
  padding: 0.25rem 0;
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s, color 0.2s;
}
.nav-list a:hover,
.nav-list a.active {
  color: var(--white);
  border-bottom-color: var(--green-light);
}

/* ── Hero ─────────────────────────────────────────── */
.hero {
  background: var(--green-dark);
  text-align: center;
}

.hero-image {
  width: 100%;
  max-width: 720px;
  height: auto;
  display: block;
  margin: 0 auto;
}

/* ── Content ──────────────────────────────────────── */
.content {
  padding-top: 2.5rem;
  padding-bottom: 3rem;
}

.intro { text-align: center; margin-bottom: 2rem; }

.event-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.5rem;
  font-size: 1.05rem;
  color: var(--text-light);
  margin-top: 0.5rem;
}

/* ── Buttons ──────────────────────────────────────── */
.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  margin-top: 2.5rem;
}

.btn {
  display: inline-block;
  padding: 0.75rem 2rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 1rem;
  text-align: center;
  transition: background 0.2s, transform 0.1s;
  background: var(--green-mid);
  color: var(--white);
}
.btn:hover { background: var(--green-dark); color: var(--white); transform: translateY(-1px); }

.btn-outline {
  background: transparent;
  color: var(--blue-dark);
  border: 2px solid var(--blue-mid);
}
.btn-outline:hover { background: var(--blue-mid); color: var(--white); }

/* ── Info Cards ───────────────────────────────────── */
.info-card {
  background: var(--sand);
  border-left: 4px solid var(--green-mid);
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius);
  margin: 1.5rem 0;
}

.info-card h3 { margin-top: 0; }

/* ── Page ─────────────────────────────────────────── */
.page h1 {
  text-align: center;
  margin-bottom: 0.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 3px solid var(--green-light);
}

/* ── Footer ───────────────────────────────────────── */
.site-footer {
  background: var(--green-dark);
  color: var(--blue-light);
  text-align: center;
  padding: 1.5rem 0;
  font-size: 0.9rem;
  margin-top: 2rem;
}
.site-footer p { margin-bottom: 0.3rem; }

/* ── Responsive ───────────────────────────────────── */
@media (max-width: 640px) {
  .nav-toggle { display: block; }

  .nav-list {
    display: none;
    flex-direction: column;
    width: 100%;
    padding-top: 0.5rem;
  }
  .nav-list.open { display: flex; }

  .site-header .container { flex-wrap: wrap; }

  h1 { font-size: 1.5rem; }
  .event-meta { flex-direction: column; gap: 0.5rem; }
}