:root {
  --primary: #4b0082;
  --primary-dark: #2f0052;
  --accent: #f5b400;
  --bg: #f7f7fb;
  --card: #ffffff;
  --text: #222222;
  --muted: #666666;
  --border: #dddddd;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

a {
  color: var(--primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.site-wrapper {
  max-width: 1100px;
  margin: 0 auto;
  background: var(--card);
  min-height: 100vh;
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.08);
}

header {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #ffffff;
  padding: 36px 24px;
  text-align: center;
}

header h1 {
  margin: 0;
  font-size: 2rem;
  letter-spacing: 0.5px;
}

header p {
  margin: 8px 0 0;
  font-size: 1rem;
  opacity: 0.9;
}

.site-title a {
  color: #ffffff;
  text-decoration: none;
}

.site-title a:hover,
.site-title a:focus,
.site-title a:visited {
  color: #ffffff;
  text-decoration: none;
}

main {
  padding: 32px 24px;
}

.page-title {
  margin-top: 0;
  font-size: 2rem;
  color: var(--primary-dark);
  border-bottom: 4px solid var(--accent);
  padding-bottom: 10px;
}

.page-title a {
  color: inherit;
  text-decoration: none;
}

.page-title a:hover,
.page-title a:focus,
.page-title a:visited {
  color: inherit;
  text-decoration: none;
}

/* Navigation */
.nav-links {
  margin: 20px 0 28px;
  padding: 16px;
  background: #faf7ff;
  border: 1px solid #e4d8f5;
  border-radius: 10px;
}

.nav-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.nav-group + .nav-group {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid #e4d8f5;
}

.nav-links a {
  display: inline-block;
  padding: 6px 10px;
  background: #ffffff;
  border: 1px solid #e4d8f5;
  border-radius: 999px;
  font-weight: 600;
  line-height: 1.3;
}

.nav-links a:hover,
.nav-links a:focus {
  background: var(--primary);
  color: #ffffff;
  text-decoration: none;
  border-color: var(--primary);
}

.nav-label {
  font-weight: 700;
  color: var(--primary-dark);
  margin-right: 4px;
}

.remacs-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;

  margin: 20px 0;
  padding: 16px;
  background: #fffaf0;
  border-left: 5px solid var(--accent);
  border-radius: 8px;
}

.remacs-links a,
.remacs-links span {
  display: inline-block;
  padding: 4px 8px;
}

.remacs-links a {
  background: #ffffff;
  border: 1px solid #f1d98a;
  border-radius: 999px;
  font-weight: 600;
}

.remacs-links a:hover,
.remacs-links a:focus {
  background: var(--accent);
  color: #222222;
  text-decoration: none;
}

.event-info {
  margin: 24px 0;
  padding: 20px;
  background: #f9f9f9;
  border: 1px solid var(--border);
  border-radius: 10px;
}

section {
  margin-top: 36px;
}

h2 {
  color: var(--primary-dark);
  font-size: 1.5rem;
  margin-bottom: 14px;
}

h3 {
  color: var(--primary);
  font-size: 1.1rem;
  margin-top: 24px;
  margin-bottom: 8px;
}

ul {
  padding-left: 24px;
}

.programme-list > li {
  margin-bottom: 14px;
}

.time {
  font-weight: 700;
  color: var(--primary-dark);
}

figure {
  margin: 20px 0;
}

figure img {
  display: block;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--border);
  border-radius: 10px;
}

.committee-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
  margin-top: 20px;
}

.committee-card {
  padding: 18px;
  background: #fafafa;
  border: 1px solid var(--border);
  border-radius: 10px;
}

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

.committee-card ul {
  margin-bottom: 0;
}

footer {
  background: #222222;
  color: #ffffff;
  padding: 28px 24px;
}

footer h2 {
  color: #ffffff;
  font-size: 1.2rem;
  margin-top: 0;
}

footer p {
  margin: 8px 0;
  color: #eeeeee;
}

.copyright {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  font-size: 0.9rem;
  color: #dddddd;
}

.back-to-top {
  display: inline-block;
  margin-top: 24px;
  font-size: 0.95rem;
}

/* Mobile */
@media (max-width: 600px) {
  .site-wrapper {
    width: 100%;
    box-shadow: none;
  }

  header {
    padding: 28px 18px;
  }

  header h1 {
    font-size: 1.35rem;
    line-height: 1.3;
  }

  header p {
    font-size: 0.95rem;
  }

  main {
    padding: 24px 16px;
  }

  .page-title {
    font-size: 1.55rem;
  }

  .nav-links {
    padding: 14px;
  }

  .nav-group {
    gap: 7px;
  }

  .nav-links a {
    padding: 6px 9px;
    font-size: 0.95rem;
  }

  .nav-label {
    width: 100%;
    margin-bottom: 2px;
  }

  .remacs-links {
    gap: 6px;
    padding: 14px;
  }

  .event-info {
    padding: 16px;
  }

  .committee-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .committee-card {
    padding: 16px;
  }

  footer {
    padding: 24px 18px;
  }
}