:root {
  --bg: #f8f4f4;
  --surface: #ffffff;
  --surface-soft: #fbf8f8;
  --text-primary: #2e1618;
  --text-secondary: #6a4a4d;
  --maroon-900: #2a060d;
  --maroon-700: #43111b;
  --maroon-500: #5d2230;
  --accent: #7a0000;
  --accent-soft: #f6e7e7;
  --line: #e9d7da;
  --shadow: 0 12px 30px rgba(76, 21, 31, 0.08);
  --radius-lg: 18px;
  --radius-md: 12px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Manrope", sans-serif;
  background: var(--bg);
  color: var(--text-primary);
  line-height: 1.5;
}

.page-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(circle at 10% 10%, rgba(93, 34, 48, 0.16), transparent 30%),
    radial-gradient(circle at 88% 14%, rgba(67, 17, 27, 0.14), transparent 34%),
    linear-gradient(180deg, #fdfafa 0%, #f8f4f4 45%, #f4edef 100%);
}

.site-header {
  padding: 4.5rem 1.2rem 2rem;
}

.header-inner {
  max-width: 960px;
  margin: 0 auto;
}

.eyebrow {
  margin: 0;
  color: var(--maroon-700);
  text-transform: uppercase;
  letter-spacing: 0.09em;
  font-size: 0.78rem;
  font-weight: 700;
}

h1 {
  margin: 0.4rem 0 0.6rem;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.15;
}

.intro {
  margin: 0;
  max-width: 960px;
  color: var(--text-secondary);
  font-size: 1.05rem;
}

.top-links {
  margin-top: 0.9rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  position: sticky;
  top: 0.5rem;
  z-index: 15;
  width: 100%;
  padding: 0.45rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(253, 250, 250, 0.88);
  backdrop-filter: blur(5px);
}

.quick-link {
  border: 1px solid #d7bec2;
  border-radius: 999px;
  padding: 0.32rem 0.7rem;
  font-size: 0.82rem;
  font-weight: 600;
  background: #fff9f9;
  color: var(--maroon-700);
}

.content {
  padding: 0 1.2rem 3rem;
}

.class-grid {
  max-width: 960px;
  margin: 0 auto;
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.class-card {
  background: linear-gradient(170deg, var(--surface) 0%, var(--surface-soft) 100%);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 1.2rem;
  box-shadow: var(--shadow);
}

.card-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
}

h2 {
  margin: 0;
  font-size: 1.18rem;
}

.tag {
  border: 1px solid #ceb0b5;
  color: var(--maroon-700);
  background: #f7eff0;
  border-radius: 999px;
  padding: 0.2rem 0.58rem;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.card-description {
  margin: 0.55rem 0 1rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

.resource-block + .resource-block {
  margin-top: 0.9rem;
  padding-top: 0.9rem;
  border-top: 1px solid var(--line);
}

h3 {
  margin: 0 0 0.45rem;
  font-size: 0.95rem;
  color: var(--maroon-900);
}

.unit-heading {
  margin: 1rem 0 0.5rem;
  font-size: 0.9rem;
  color: var(--maroon-700);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.course-note {
  margin: 0.85rem 0 0;
  font-size: 0.86rem;
  color: var(--text-secondary);
}

.lesson-list {
  margin: 0;
  padding-left: 1.2rem;
  display: grid;
  gap: 0.8rem;
}

.lesson-item {
  margin-right: 0.2rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: #fff;
  padding: 0.75rem 0.8rem;
}

.lesson-title {
  margin: 0;
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--maroon-900);
}

.lesson-summary {
  margin: 0.3rem 0 0;
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

.lesson-links {
  margin-top: 0.55rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.assessment-box {
  margin-top: 0.75rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: #fff;
  padding: 0.7rem 0.8rem;
}

.assessment-title {
  margin: 0;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--maroon-700);
}

.assessment-topic {
  margin: 0.4rem 0 0.25rem;
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--maroon-900);
}

.assessment-date {
  margin: 0;
  font-size: 0.84rem;
  color: var(--text-secondary);
}

.assessment-list {
  margin: 0 0 0.45rem;
  padding-left: 1rem;
  color: var(--text-secondary);
  font-size: 0.84rem;
}

.assessment-list li + li {
  margin-top: 0.18rem;
}

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

.announcement-bar .card-description {
  margin-bottom: 0;
}

a {
  color: var(--maroon-700);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease, color 0.2s ease;
}

a:hover,
a:focus-visible {
  color: var(--accent);
  border-color: currentColor;
  outline: none;
}

.lesson-links a {
  border: 1px solid #d7bec2;
  border-radius: 999px;
  padding: 0.2rem 0.6rem;
  font-size: 0.78rem;
  font-weight: 600;
  background: #fff9f9;
  color: var(--maroon-700);
}

.quick-link:hover,
.quick-link:focus-visible,
.lesson-links a:hover,
.lesson-links a:focus-visible {
  background: var(--accent-soft);
  color: var(--accent);
  border-color: var(--accent);
}

.brochure-grid {
  max-width: 960px;
  margin: 0 auto;
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

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

.full-width {
  grid-column: 1 / -1;
}

.credit-line {
  margin: 0.65rem 0 0;
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.last-updated {
  margin: 0.65rem 0 0;
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.back-link {
  display: inline-block;
  margin-top: 0.75rem;
  font-weight: 600;
}

.table-wrap {
  overflow-x: auto;
}

.resource-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.resource-table th,
.resource-table td {
  border: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
  padding: 0.6rem;
}

.resource-table th {
  background: #f7eff0;
  color: var(--maroon-900);
}

.takeaway-list {
  margin: 0;
  padding-left: 1.1rem;
}

.takeaway-list li + li {
  margin-top: 0.45rem;
}

@media (max-width: 640px) {
  .site-header {
    padding-top: 3.2rem;
  }

  .top-links {
    top: 0.35rem;
    width: 100%;
  }

  .class-card {
    padding: 1rem;
  }

  .announcement-bar {
    flex-direction: column;
    align-items: flex-start;
  }

  .about-grid {
    grid-template-columns: 1fr;
  }
}