:root {
  --ink: #241c20;
  --ink-strong: #1a1216;
  --magentawood: #2b1b2e;
  --magenta: #e94ba8;
  --violet: #5b4fe5;
  --sand: #efe7df;
  --surface: #faf7f3;
  --surface-strong: #fffdfa;
  --text: #251c21;
  --muted: #6d6168;
  --line: #ddd1d2;
  --alert: #946341;
  --shadow: 0 18px 50px rgba(39, 25, 31, 0.08);
  --radius-xl: 34px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --content-width: 1480px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", "Manrope", "Segoe UI", sans-serif;
  color: var(--text);
  line-height: 1.6;
  background:
    radial-gradient(circle at top left, rgba(185, 138, 149, 0.15), transparent 23%),
    radial-gradient(circle at top right, rgba(142, 162, 142, 0.12), transparent 20%),
    linear-gradient(180deg, #fcf8f5 0%, #f3ede6 36%, #faf7f3 100%);
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
}

.progress-bar {
  position: fixed;
  inset: 0 0 auto 0;
  height: 4px;
  background: rgba(221, 209, 210, 0.44);
  z-index: 100;
}

.progress-bar__fill {
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--ink), var(--magentawood), var(--violet));
}

.site-header,
.course-shell {
  width: min(calc(100% - 32px), var(--content-width));
  margin: 0 auto;
}

.site-header {
  padding: 64px 0 24px;
  position: relative;
}

.brand-row {
  display: block;
  padding: 24px 28px;
  padding-right: min(23vw, 260px);
  border-radius: var(--radius-xl);
  background: rgba(255, 253, 250, 0.8);
  border: 1px solid rgba(221, 209, 210, 0.82);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.brand-lockup {
  padding: 0;
  border: 0;
  background: transparent;
  border-radius: 0;
}

.brand-lockup img {
  width: 100%;
  height: auto;
}

.brand-lockup--corner {
  position: absolute;
  top: 26px;
  right: 12px;
  width: min(20vw, 230px);
  z-index: 2;
}

.eyebrow,
.section-kicker,
.module-number,
.nav-title {
  margin: 0 0 10px;
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--muted);
  font-weight: 700;
}

.course-title {
  margin: 0;
  font-size: clamp(2rem, 4.6vw, 4.15rem);
  line-height: 0.96;
  letter-spacing: -0.05em;
  max-width: 11ch;
}

.subtitle {
  margin: 14px 0 0;
  color: var(--muted);
  max-width: 62ch;
  font-size: 1.03rem;
}

.library-link {
  display: inline-flex;
  align-items: center;
  margin-top: 16px;
  color: var(--magentawood);
  text-decoration: none;
  font-weight: 600;
  border-bottom: 1px solid rgba(109, 74, 88, 0.22);
  padding-bottom: 2px;
  transition: color 160ms ease, border-color 160ms ease, transform 160ms ease;
}

.library-link:hover {
  color: var(--ink-strong);
  border-color: rgba(26, 18, 22, 0.3);
  transform: translateX(2px);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(320px, 0.9fr);
  gap: 20px;
  margin-top: 22px;
}

.hero-card,
.nav-card,
.module {
  border-radius: var(--radius-xl);
  background: rgba(255, 253, 250, 0.92);
  border: 1px solid rgba(221, 209, 210, 0.84);
  box-shadow: var(--shadow);
}

.hero-card {
  padding: clamp(22px, 4vw, 38px);
}

.hero-card--primary {
  background:
    linear-gradient(160deg, rgba(255, 253, 250, 0.94), rgba(246, 238, 232, 0.92)),
    rgba(255, 253, 250, 0.92);
}

.hero-card--primary h2 {
  margin: 0 0 12px;
  font-size: clamp(1.95rem, 4vw, 3.4rem);
  line-height: 1;
  letter-spacing: -0.04em;
  max-width: 12ch;
}

.hero-list {
  margin: 0;
  padding-left: 18px;
}

.hero-link {
  display: inline-flex;
  align-items: center;
  margin-top: 22px;
  padding: 10px 14px;
  border-radius: 999px;
  text-decoration: none;
  font-size: 0.93rem;
  font-weight: 600;
  background: var(--ink);
  color: #fff9fb;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.tag-row span {
  display: inline-flex;
  align-items: center;
  padding: 10px 14px;
  border-radius: 999px;
  font-size: 0.93rem;
  font-weight: 600;
  background: rgba(185, 138, 149, 0.11);
  border: 1px solid rgba(185, 138, 149, 0.22);
  color: var(--ink-strong);
}

.course-shell {
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.course-nav {
  position: sticky;
  top: 28px;
  align-self: start;
  display: grid;
  gap: 16px;
}

.nav-card {
  padding: 22px 20px;
}

.nav-card nav {
  display: grid;
  gap: 8px;
}

.nav-card nav a {
  text-decoration: none;
  color: var(--muted);
  padding: 10px 12px;
  border-radius: 12px;
  transition: background-color 150ms ease, color 150ms ease, transform 150ms ease;
}

.nav-card nav a:hover,
.nav-card nav a.is-active {
  background: rgba(36, 28, 32, 0.08);
  color: var(--ink-strong);
  transform: translateX(2px);
}

.nav-card ul {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
}

.nav-card--soft {
  background: rgba(249, 245, 241, 0.92);
}

.course-content {
  display: grid;
  gap: 22px;
}

.module {
  padding: clamp(24px, 4vw, 36px);
}

.module-header {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 22px;
  align-items: start;
  margin-bottom: 24px;
}

.module-header h2 {
  margin: 0;
  font-size: clamp(1.75rem, 3vw, 2.8rem);
  line-height: 1.02;
  letter-spacing: -0.04em;
}

.module-header p:last-child {
  margin: 10px 0 0;
  color: var(--muted);
  max-width: 70ch;
}

.summary-grid,
.three-grid,
.two-column,
.comparison-grid,
.journey-grid,
.feature-band {
  display: grid;
  gap: 18px;
}

.summary-grid,
.three-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

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

.journey-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.summary-card,
.mini-card,
.content-card,
.comparison-card,
.journey-step {
  padding: 20px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(221, 209, 210, 0.82);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.8), rgba(249, 245, 241, 0.94));
}

.summary-card h3,
.mini-card h3,
.content-card h3,
.comparison-card h3,
.journey-step h3,
.feature-band h3,
.callout h3 {
  margin: 0 0 10px;
  font-size: 1.18rem;
  line-height: 1.12;
}

.summary-card p:last-child,
.mini-card p:last-child,
.content-card p:last-child,
.comparison-card p:last-child,
.journey-step p:last-child {
  margin-bottom: 0;
}

.summary-card ul,
.mini-card ul,
.content-card ul,
.accordion-panel ul,
.journey-step ul,
.hero-list {
  margin-top: 0;
  margin-bottom: 0;
}

.comparison-card {
  min-height: 100%;
}

.pathway-card {
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.pathway-card.is-selected {
  border-color: rgba(109, 74, 88, 0.34);
  box-shadow: 0 16px 34px rgba(109, 74, 88, 0.12);
  background:
    linear-gradient(180deg, rgba(109, 74, 88, 0.08), rgba(255, 255, 255, 0.78)),
    linear-gradient(180deg, rgba(255, 255, 255, 0.82), rgba(249, 245, 241, 0.94));
}

.pathway-action,
.pathway-clear {
  display: inline-flex;
  align-items: center;
  margin-top: 16px;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid rgba(109, 74, 88, 0.18);
  background: rgba(109, 74, 88, 0.08);
  color: var(--ink-strong);
  font: inherit;
  font-size: 0.93rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 160ms ease, background-color 160ms ease, border-color 160ms ease;
}

.pathway-action:hover,
.pathway-clear:hover {
  transform: translateY(-1px);
  background: rgba(109, 74, 88, 0.12);
  border-color: rgba(109, 74, 88, 0.28);
}

.pathway-toolbar {
  margin-top: 16px;
}

.comparison-card--strong {
  background:
    linear-gradient(180deg, rgba(109, 74, 88, 0.08), rgba(255, 255, 255, 0.78)),
    linear-gradient(180deg, rgba(255, 255, 255, 0.8), rgba(249, 245, 241, 0.94));
  border-color: rgba(109, 74, 88, 0.22);
}

.feature-band,
.callout {
  margin: 20px 0;
  padding: 24px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(221, 209, 210, 0.84);
}

.feature-band {
  grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
  gap: 22px;
  background: linear-gradient(150deg, rgba(36, 28, 32, 0.97), rgba(86, 66, 75, 0.92));
  color: #fffafc;
}

.feature-band .section-kicker {
  color: rgba(245, 236, 239, 0.76);
}

.callout {
  background: rgba(249, 245, 241, 0.9);
}

.callout--soft .section-kicker {
  color: var(--magentawood);
}

.callout--alert {
  background: linear-gradient(180deg, rgba(255, 247, 239, 0.96), rgba(249, 245, 241, 0.94));
  border-color: rgba(148, 99, 65, 0.28);
}

.callout--alert .section-kicker {
  color: var(--alert);
}

.module.is-pathway-target {
  border-color: rgba(109, 74, 88, 0.28);
  box-shadow: 0 20px 44px rgba(109, 74, 88, 0.12);
}

.nav-card nav a.is-pathway-target,
a.is-pathway-link {
  background: rgba(109, 74, 88, 0.08);
  color: var(--ink-strong);
}

.journey-step {
  position: relative;
  min-height: 180px;
}

.journey-step::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 4px;
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(180deg, var(--magentawood), var(--violet));
}

.journey-step > * {
  margin-left: 14px;
}

.accordion {
  margin-top: 18px;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid rgba(221, 209, 210, 0.8);
  background: rgba(249, 245, 241, 0.76);
}

.accordion summary {
  cursor: pointer;
  list-style: none;
  padding: 18px 20px;
  font-weight: 700;
}

.accordion summary::-webkit-details-marker {
  display: none;
}

.accordion-panel {
  padding: 0 20px 18px;
  color: var(--muted);
}

@media (max-width: 1180px) {
  .course-shell {
    grid-template-columns: 1fr;
  }

  .course-nav {
    position: relative;
    top: 0;
  }

  .hero-grid,
  .summary-grid,
  .three-grid,
  .two-column,
  .comparison-grid,
  .journey-grid,
  .feature-band {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .brand-row {
    padding-right: 28px;
  }

  .brand-lockup--corner {
    position: static;
    width: min(100%, 220px);
    margin: 0 0 18px auto;
  }
}

@media (max-width: 760px) {
  .site-header,
  .course-shell {
    width: min(calc(100% - 20px), var(--content-width));
  }

  .brand-row,
  .hero-grid,
  .module-header,
  .summary-grid,
  .three-grid,
  .two-column,
  .comparison-grid,
  .journey-grid,
  .feature-band {
    grid-template-columns: 1fr;
  }

  .brand-row,
  .hero-card,
  .module {
    padding-left: 18px;
    padding-right: 18px;
  }

  .brand-lockup--corner {
    width: min(100%, 200px);
    margin: 0 0 14px auto;
  }
}