/* Focused course selector for the /python_vis/ landing page. */

body.course-menu-page {
  --course-menu-ink: #172033;
  --course-menu-muted: #64748b;
  --course-menu-border: rgba(148, 163, 184, 0.28);
  --course-menu-surface: rgba(255, 255, 255, 0.92);
  --course-menu-shadow: 0 18px 45px rgba(30, 41, 59, 0.09);
  min-height: 100vh;
  background:
    radial-gradient(circle at 12% 8%, rgba(99, 102, 241, 0.13), transparent 28rem),
    radial-gradient(circle at 88% 88%, rgba(20, 184, 166, 0.12), transparent 30rem),
    #f8fafc;
}

.course-menu-page .md-header,
.course-menu-page .md-sidebar,
.course-menu-page .md-footer,
.course-menu-page [data-md-component="skip"],
.course-menu-page [data-md-component="announce"] {
  display: none;
}

.course-menu-page .md-container,
.course-menu-page .md-main,
.course-menu-page .md-main__inner,
.course-menu-page .md-content {
  min-height: 100vh;
}

.course-menu-page .md-container,
.course-menu-page .md-main {
  width: 100%;
}

.course-menu-page .md-main__inner.md-grid {
  display: grid;
  box-sizing: border-box;
  width: 100%;
  max-width: 100% !important;
  margin: 0 !important;
  padding: clamp(2rem, 6vw, 5rem) clamp(1.25rem, 5vw, 4rem);
  place-items: center;
}

.course-menu-page .md-content {
  box-sizing: border-box;
  flex: none;
  width: 100%;
  max-width: 1080px;
  margin: 0 auto !important;
  overflow: visible;
}

.course-menu-page .md-content__inner {
  box-sizing: border-box;
  width: 100%;
  max-width: none;
  margin: 0;
  padding: 0;
}

.course-menu-page .md-content__inner::before {
  display: none;
}

.course-menu-landing {
  width: 100%;
}

.course-menu-heading {
  margin: 0 0 clamp(1.75rem, 4vw, 3rem);
  text-align: center;
}

.course-menu-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  margin: 0 0 0.8rem;
  color: #4f46e5;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.course-menu-eyebrow::before {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: #14b8a6;
  box-shadow: 0 0 0 0.3rem rgba(20, 184, 166, 0.13);
  content: "";
}

.course-menu-heading h1 {
  margin: 0;
  color: var(--course-menu-ink);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  letter-spacing: -0.045em;
  line-height: 1.08;
}

.course-menu-heading p {
  margin: 0.8rem 0 0;
  color: var(--course-menu-muted);
  font-size: clamp(0.92rem, 2vw, 1.05rem);
}

.course-menu {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
  margin: 0;
}

.course-menu-link {
  --course-accent: #6366f1;
  --course-accent-soft: rgba(99, 102, 241, 0.12);
  position: relative;
  display: grid;
  box-sizing: border-box;
  width: 100%;
  min-width: 0;
  grid-template-columns: 3.25rem minmax(0, 1fr) auto;
  gap: 1rem;
  align-items: center;
  min-height: 5.5rem;
  padding: 1rem 1.15rem;
  overflow: hidden;
  border: 1px solid var(--course-menu-border);
  border-radius: 1.1rem;
  background: var(--course-menu-surface);
  box-shadow: 0 5px 20px rgba(30, 41, 59, 0.045);
  color: var(--course-menu-ink);
  text-decoration: none;
  transition:
    border-color 180ms ease,
    box-shadow 180ms ease,
    transform 180ms ease;
}

.course-menu-page .course-menu-link,
.course-menu-page .course-menu-link:hover,
.course-menu-page .course-menu-link:focus-visible {
  color: var(--course-menu-ink);
}

.course-menu-link::before {
  position: absolute;
  inset: 0 auto 0 0;
  width: 0.22rem;
  background: var(--course-accent);
  content: "";
}

.course-menu-link:hover,
.course-menu-link:focus-visible {
  border-color: color-mix(in srgb, var(--course-accent) 42%, transparent);
  box-shadow: var(--course-menu-shadow);
  color: var(--course-menu-ink);
  transform: translateY(-2px);
}

.course-menu-link:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--course-accent) 30%, transparent);
  outline-offset: 3px;
}

.course-menu-icon {
  display: grid;
  width: 3.25rem;
  height: 3.25rem;
  border-radius: 0.9rem;
  background: var(--course-accent-soft);
  font-size: 1.55rem;
  place-items: center;
}

.course-menu-title {
  min-width: 0;
  font-size: clamp(0.88rem, 2vw, 1.02rem);
  font-weight: 750;
  line-height: 1.25;
}

.course-menu-arrow {
  display: grid;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: var(--course-accent-soft);
  color: var(--course-accent);
  font-size: 1rem;
  font-weight: 800;
  place-items: center;
  transition: transform 180ms ease;
}

.course-menu-link:hover .course-menu-arrow,
.course-menu-link:focus-visible .course-menu-arrow {
  transform: translateX(0.2rem);
}

.course-menu-link--python-1 {
  --course-accent: #0f9f8f;
  --course-accent-soft: rgba(15, 159, 143, 0.12);
}

.course-menu-link--python-2 {
  --course-accent: #3b82f6;
  --course-accent-soft: rgba(59, 130, 246, 0.12);
}

.course-menu-link--problems {
  --course-accent: #f59e0b;
  --course-accent-soft: rgba(245, 158, 11, 0.14);
}

.course-menu-link--data-1 {
  --course-accent: #8b5cf6;
  --course-accent-soft: rgba(139, 92, 246, 0.12);
}

.course-menu-link--data-2 {
  --course-accent: #ec4899;
  --course-accent-soft: rgba(236, 72, 153, 0.12);
}

.course-menu-link--visual {
  --course-accent: #6366f1;
  --course-accent-soft: rgba(99, 102, 241, 0.12);
}

.course-menu-link--emotion {
  --course-accent: #ef4444;
  --course-accent-soft: rgba(239, 68, 68, 0.11);
}

.course-menu-link--agentic {
  --course-accent: #334155;
  --course-accent-soft: rgba(51, 65, 85, 0.11);
}

@media (max-width: 44rem) {
  .course-menu-page .md-main__inner {
    padding: 2rem 1rem;
  }

  .course-menu-heading h1 {
    font-size: clamp(1.7rem, 7.25vw, 2rem);
    white-space: nowrap;
  }

  .course-menu {
    grid-template-columns: 1fr;
    gap: 0.7rem;
  }

  .course-menu-link {
    min-height: 4.75rem;
    grid-template-columns: 2.8rem minmax(0, 1fr) auto;
    gap: 0.8rem;
    padding: 0.8rem 0.9rem;
    border-radius: 0.9rem;
  }

  .course-menu-icon {
    width: 2.8rem;
    height: 2.8rem;
    border-radius: 0.75rem;
    font-size: 1.3rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .course-menu-link,
  .course-menu-arrow {
    transition: none;
  }
}