* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: #1f2937;
  background: #f8fafc;
  line-height: 1.6;
}

a {
  color: #5b21b6;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.container {
  width: min(1100px, calc(100% - 2rem));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(248, 250, 252, 0.96);
  border-bottom: 1px solid #e5e7eb;
  backdrop-filter: blur(8px);
}

.header-inner,
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1rem 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.header-logo {
  height: 42px;
  width: auto;
}

.brand h1 {
  margin: 0;
  font-size: 1.6rem;
}

.tagline {
  margin: 0;
  color: #6b7280;
  font-size: 0.92rem;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.nav a {
  font-size: 0.95rem;
  color: #374151;
}

.hero {
  padding: 4rem 0 3rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 2rem;
  align-items: start;
}

.hero-logo {
  height: 84px;
  width: auto;
  margin-bottom: 0.75rem;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.78rem;
  font-weight: 700;
  color: #6d28d9;
  margin-bottom: 0.5rem;
}

.hero h2,
.section h2 {
  margin-top: 0;
  margin-bottom: 1rem;
  line-height: 1.15;
}

.hero h2 {
  font-size: 2.7rem;
}

.section {
  padding: 3.5rem 0;
}

.section.alt {
  background: #ffffff;
}

.section-intro {
  max-width: 800px;
  color: #4b5563;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 1.5rem;
}

.button {
  display: inline-block;
  border-radius: 999px;
  padding: 0.85rem 1.25rem;
  font-weight: 700;
  border: none;
  cursor: pointer;
  text-align: center;
}

.button:hover {
  text-decoration: none;
}

.button.primary {
  background: #6d28d9;
  color: white;
}

.button.primary:hover {
  background: #5b21b6;
}

.button.secondary {
  background: white;
  color: #374151;
  border: 1px solid #d1d5db;
}

.button.light {
  background: white;
  color: #5b21b6;
}

.course-card {
  background: linear-gradient(135deg, #6d28d9, #8b5cf6);
  color: white;
  padding: 1.75rem;
  border-radius: 24px;
  box-shadow: 0 14px 30px rgba(76, 29, 149, 0.2);
}

.card-label {
  margin-top: 0;
  font-size: 0.9rem;
  opacity: 0.9;
}

.course-card h3 {
  margin: 0.3rem 0 0.6rem;
  font-size: 2rem;
}

.course-date {
  font-size: 1.1rem;
  font-weight: 700;
}

.status {
  display: inline-block;
  background: rgba(255, 255, 255, 0.2);
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  margin-right: 0.5rem;
}

.cards {
  display: grid;
  gap: 1.25rem;
  margin-top: 1.5rem;
}

.cards.two-col {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.cards.one-col {
  grid-template-columns: 1fr;
}

.card {
  background: white;
  border: 1px solid #e5e7eb;
  border-radius: 22px;
  padding: 1.5rem;
  box-shadow: 0 6px 16px rgba(15, 23, 42, 0.05);
}

.card h3 {
  margin-top: 0;
}

.top-space {
  margin-top: 1.5rem;
}

.course-listing {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.password-card {
  max-width: 700px;
}

.password-row {
  display: flex;
  gap: 0.75rem;
  margin-top: 0.75rem;
}

.password-row input {
  flex: 1;
  padding: 0.85rem 1rem;
  border-radius: 14px;
  border: 1px solid #d1d5db;
  font-size: 1rem;
}

.error {
  color: #b91c1c;
  margin-top: 0.75rem;
}

.hidden {
  display: none;
}

.site-footer {
  border-top: 1px solid #e5e7eb;
  background: white;
  font-size: 0.95rem;
  color: #6b7280;
}

@media (max-width: 900px) {
  .hero-grid,
  .cards.two-col,
  .course-listing,
  .header-inner,
  .footer-inner {
    grid-template-columns: 1fr;
    flex-direction: column;
    align-items: flex-start;
  }

  .hero h2 {
    font-size: 2.1rem;
  }

  .nav {
    gap: 0.75rem;
  }

  .password-row {
    flex-direction: column;
  }
}