:root {
  --bg: #0b1020;
  --bg-2: #121a31;
  --panel: #131d36cc;
  --panel-solid: #162243;
  --line: #28385f;
  --text: #e8eeff;
  --muted: #9db0db;
  --blue: #2563eb;
  --purple: #7c3aed;
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  color: var(--text);
  background: radial-gradient(circle at 0% 0%, #1b2750 0%, var(--bg) 44%);
}

.app-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 320px 1fr;
}

.sidebar {
  border-right: 1px solid var(--line);
  background: #101935f2;
  padding: 1rem;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin-bottom: 0.85rem;
}

.brand img {
  width: 36px;
  height: 36px;
}

.brand strong {
  display: block;
}

.brand p {
  margin: 0.1rem 0 0;
  color: var(--muted);
  font-size: 0.82rem;
}

.sidebar-search {
  margin: 0.35rem 0 0.9rem;
}

.search-input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #101a33;
  color: var(--text);
  padding: 0.55rem 0.65rem;
  font-size: 0.9rem;
}

.search-input::placeholder {
  color: #8fa3d6;
}

.nav-block {
  margin-bottom: 1rem;
}

.nav-title {
  margin: 0 0 0.4rem;
  color: #b9c9f1;
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.nav-block button {
  width: 100%;
  margin: 0 0 0.35rem;
  border: 1px solid var(--line);
  background: var(--panel-solid);
  color: var(--text);
  border-radius: 10px;
  text-align: left;
  padding: 0.55rem 0.65rem;
  cursor: pointer;
  font-size: 0.9rem;
}

.nav-block button:hover {
  border-color: #42558d;
}

.nav-block button.active {
  border-color: #5b73c7;
  box-shadow: 0 0 0 1px rgba(124, 58, 237, 0.25);
}

.guide-nav {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.guide-nav details {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #101a33;
  padding: 0.45rem 0.55rem;
}

.guide-nav summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 0.88rem;
  color: #dbe5ff;
}

.guide-nav .guide-nav-items {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  margin-top: 0.45rem;
}

.explorer-list {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  max-height: 38vh;
  overflow: auto;
  padding-right: 0.15rem;
}

.explorer-item {
  border: 1px solid transparent;
  border-radius: 8px;
  background: transparent;
  color: #dbe5ff;
  text-align: left;
  padding: 0.35rem 0.45rem;
  cursor: pointer;
  font-size: 0.82rem;
}

.explorer-item:hover {
  border-color: #3f5490;
  background: #15254a;
}

.explorer-item.active {
  border-color: #5b73c7;
  background: #15254a;
}

.explorer-item small {
  display: block;
  color: #8fa3d6;
  font-size: 0.72rem;
  margin-top: 0.1rem;
}

.main-content {
  padding: 1.1rem 1.2rem 1.6rem;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.8rem;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel);
  padding: 0.85rem 0.95rem;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  min-width: 0;
}

.topbar h1 {
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.1;
}

.subtitle {
  margin: 0.2rem 0 0;
  color: var(--muted);
  font-size: 0.86rem;
}

.icon-button {
  display: none;
  border: 1px solid var(--line);
  background: #101a33;
  color: var(--text);
  border-radius: 10px;
  padding: 0.45rem 0.6rem;
  cursor: pointer;
  font-size: 1rem;
  line-height: 1;
}

.topbar-stats {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.topbar-stats span {
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.77rem;
  color: #c8d7ff;
  padding: 0.3rem 0.55rem;
  background: #17274f;
}

.content-grid {
  margin-top: 0.9rem;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 0.85rem;
  align-items: start;
}

.doc-panel {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel);
  padding: 0.9rem;
}

.doc-panel-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.8rem;
  padding-bottom: 0.55rem;
  margin-bottom: 0.6rem;
  border-bottom: 1px solid var(--line);
}

.doc-panel-header h3 {
  margin: 0;
  font-size: 1.02rem;
}

.doc-subtitle {
  margin: 0.25rem 0 0;
  color: var(--muted);
  font-size: 0.86rem;
}

.doc-actions {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.ghost-button {
  border: 1px solid var(--line);
  background: #101a33;
  color: #dbe5ff;
  border-radius: 10px;
  padding: 0.45rem 0.65rem;
  cursor: pointer;
  font-size: 0.84rem;
}

.ghost-button:hover {
  border-color: #42558d;
}

.ghost-link {
  color: #c7d5ff;
  font-size: 0.84rem;
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.45rem 0.65rem;
  background: #101a33;
}

.ghost-link:hover {
  border-color: #42558d;
}

.context-panel {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #101a33cc;
  padding: 0.85rem;
  position: sticky;
  top: 0.9rem;
}

.context-header h3 {
  margin: 0;
  font-size: 0.98rem;
}

.context-header p {
  margin: 0.35rem 0 0.75rem;
  color: var(--muted);
  font-size: 0.86rem;
}

.muted {
  color: var(--muted);
}

.guide-grid {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.guide-card {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #101a33;
  padding: 0.65rem;
}

.guide-card h4 {
  margin: 0 0 0.35rem;
  font-size: 0.92rem;
}

.guide-card p {
  margin: 0 0 0.55rem;
  color: var(--muted);
  font-size: 0.82rem;
}

.guide-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.guide-links button {
  font-size: 0.75rem;
  text-decoration: none;
  color: #dbe5ff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.23rem 0.42rem;
  background: #15254a;
  cursor: pointer;
}

.guide-links button:hover {
  border-color: #4d62a4;
}

.loading-note {
  color: #c0cff7;
  font-style: italic;
}

.code-view {
  border: 1px solid #2f3d6c;
  border-radius: 12px;
  background: #0d142b;
  padding: 0.85rem;
  overflow: auto;
}

.code-view pre {
  margin: 0;
  white-space: pre;
  font-family: "JetBrains Mono", Consolas, monospace;
  font-size: 0.82rem;
  line-height: 1.45;
  color: #dbe5ff;
}

.markdown-body {
  line-height: 1.62;
  color: #eaf0ff;
}

.markdown-body h1,
.markdown-body h2,
.markdown-body h3 {
  margin: 1rem 0 0.45rem;
}

.markdown-body p,
.markdown-body li {
  color: #d4ddfa;
}

.markdown-body code {
  font-family: "JetBrains Mono", Consolas, monospace;
  background: #0f1731;
  border: 1px solid #2f3d6c;
  border-radius: 6px;
  padding: 0.08rem 0.3rem;
  font-size: 0.86em;
}

.markdown-body pre {
  background: #0d142b;
  border: 1px solid #2f3d6c;
  border-radius: 10px;
  padding: 0.8rem;
  overflow: auto;
}

.markdown-body pre code {
  border: 0;
  padding: 0;
  background: transparent;
}

.markdown-body blockquote {
  margin: 0.85rem 0;
  padding: 0.4rem 0.8rem;
  border-left: 3px solid var(--purple);
  color: #c6d3f7;
  background: #121b36;
}

.markdown-body a {
  color: #8eb4ff;
}

.nav-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  z-index: 40;
  display: none;
}

body.nav-open .sidebar {
  transform: translateX(0);
}

body.nav-open .nav-backdrop {
  display: block;
}

body.nav-open {
  overflow: hidden;
}

.nb-view {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.nb-cell {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #101a33;
  padding: 0.75rem;
}

.nb-cell h4 {
  margin: 0 0 0.55rem;
  font-size: 0.92rem;
  color: #dbe5ff;
}

@media (max-width: 1100px) {
  .content-grid {
    grid-template-columns: 1fr;
  }

  .context-panel {
    position: static;
  }
}

@media (max-width: 980px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: fixed;
    z-index: 50;
    left: 0;
    top: 0;
    height: 100vh;
    width: min(92vw, 360px);
    transform: translateX(-105%);
    transition: transform 180ms ease;
    box-shadow: 0 18px 60px rgba(0, 0, 0, 0.45);
  }

  .icon-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .topbar-stats {
    display: none;
  }
}


.site-body { margin: 0; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid #28385f;
  background: rgba(16, 25, 53, 0.92);
  backdrop-filter: blur(6px);
}
.site-header-inner {
  width: min(1100px, 92%);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 0;
}
.brand { display: flex; gap: 0.75rem; align-items: center; text-decoration: none; color: inherit; }
.brand img { width: 34px; height: 34px; }
.brand-title { font-weight: 800; letter-spacing: -0.01em; }
.brand-subtitle { color: #9db0db; font-size: 0.85rem; margin-top: 0.15rem; }
.site-nav { display: flex; flex-wrap: wrap; gap: 0.55rem; justify-content: flex-end; }
.site-nav a {
  color: #dbe5ff;
  text-decoration: none;
  border: 1px solid #28385f;
  border-radius: 999px;
  padding: 0.35rem 0.65rem;
  font-size: 0.85rem;
  background: #101a33;
}
.site-nav a:hover { border-color: #4d62a4; }
.site-main { width: min(1100px, 92%); margin: 0 auto; padding: 1.25rem 0 2rem; }
.site-footer { border-top: 1px solid #28385f; margin-top: 2rem; background: rgba(16, 25, 53, 0.65); }
.site-footer-inner {
  width: min(1100px, 92%);
  margin: 0 auto;
  padding: 1rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  color: #c7d5ff;
  font-size: 0.9rem;
}
.footer-top {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
}
.footer-company a { color: #dbe5ff; text-decoration: none; }
.footer-company a:hover { text-decoration: underline; }
.small { font-size: 0.82rem; line-height: 1.45; }
.footer-legal {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.25rem 0.15rem;
  font-size: 0.82rem;
  line-height: 1.5;
}
.footer-legal a {
  color: #dbe5ff;
  text-decoration: none;
  font-weight: 500;
}
.footer-legal a:hover { text-decoration: underline; }
.muted { color: #9db0db; }
.lead { color: #d4ddfa; font-size: 1.05rem; line-height: 1.55; }
.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 0.75rem; margin-top: 1rem; }
.card {
  border: 1px solid #28385f;
  border-radius: 14px;
  padding: 0.9rem;
  background: rgba(24, 34, 61, 0.55);
  text-decoration: none;
  color: inherit;
}
.card h2 { margin: 0 0 0.35rem; font-size: 1.05rem; }
.card p { margin: 0; color: #9db0db; font-size: 0.92rem; line-height: 1.45; }
.card:hover { border-color: #4d62a4; }
.markdown-body .toc { border: 1px solid #28385f; border-radius: 12px; padding: 0.75rem; background: #101a33; }
.breadcrumb {
  font-size: 0.85rem;
  color: #9db0db;
  margin: 0 0 0.75rem;
}
.breadcrumb-inner { line-height: 1.5; }
.breadcrumb a { color: #c7d5ff; text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }
.bc-sep { color: #4d62a4; padding: 0 0.2rem; }
.path-forward {
  margin-top: 1.75rem;
  padding: 1rem 1.1rem;
  border: 1px solid #28385f;
  border-radius: 14px;
  background: rgba(24, 34, 61, 0.65);
  color: #dbe5ff;
  font-size: 0.92rem;
  line-height: 1.55;
}
.path-forward strong { color: #f0f4ff; margin-right: 0.35rem; }
.path-row { margin-top: 0.65rem; }
.path-row:first-of-type { margin-top: 0.35rem; }
.path-row-label {
  display: inline-block;
  min-width: 6.5rem;
  margin-right: 0.5rem;
  color: #9db0db;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.path-stepper { display: inline-flex; flex-wrap: wrap; align-items: center; gap: 0.25rem 0.35rem; }
.path-stepgap { color: #4d62a4; user-select: none; }
.path-step {
  color: #c7d5ff;
  text-decoration: none;
  padding: 0.15rem 0.45rem;
  border-radius: 8px;
  border: 1px solid transparent;
}
.path-step:hover { border-color: #4d62a4; background: rgba(16, 25, 53, 0.6); }
.path-step-current {
  font-weight: 600;
  color: #fff;
  border: 1px solid #4d62a4;
  border-radius: 8px;
  padding: 0.15rem 0.45rem;
  background: #101a33;
}
.path-row-inline { display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: center; margin-top: 0.75rem; }
.path-row-spread { justify-content: space-between; }
.path-btn {
  display: inline-block;
  margin: 0.2rem 0.35rem 0.2rem 0;
  padding: 0.4rem 0.75rem;
  border-radius: 999px;
  border: 1px solid #28385f;
  background: #101a33;
  color: #dbe5ff;
  text-decoration: none;
  font-size: 0.88rem;
}
.path-btn:hover { border-color: #4d62a4; }
.path-btn-primary {
  border-color: #4d62a4;
  background: rgba(77, 98, 164, 0.25);
  font-weight: 600;
}
.path-meta { color: #9db0db; font-size: 0.85rem; }
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0.75rem;
  z-index: 100;
  padding: 0.5rem 1rem;
  background: #f6f8ff;
  color: #101a33;
  font-weight: 600;
  border-radius: 8px;
  text-decoration: none;
  box-shadow: 0 4px 20px rgba(0,0,0,0.35);
}
.skip-link:focus {
  left: 0.75rem;
  outline: 2px solid #4d62a4;
  outline-offset: 2px;
}
.path-tip {
  margin: 0.85rem 0 0;
  padding-top: 0.85rem;
  border-top: 1px dashed #28385f;
  font-size: 0.88rem;
  color: #c7d5ff;
  line-height: 1.5;
}
.path-tip a { color: #dbe5ff; font-weight: 600; }
.path-tip a:hover { text-decoration: underline; }
.path-row-hands-on { align-items: flex-start; }
.hands-on-wrap {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem 0.5rem;
  max-width: 100%;
}
.nb-pair { display: inline-flex; align-items: center; gap: 0.25rem; flex-wrap: wrap; }
.hands-on-sep { color: #4d62a4; padding: 0 0.15rem; user-select: none; }
.path-btn-notebook {
  border-color: #3d6ad4;
  background: rgba(61, 106, 212, 0.22);
}
.path-link-external {
  font-size: 0.82rem;
  color: #9db0db;
  text-decoration: none;
  border-bottom: 1px dotted #4d62a4;
}
.path-link-external:hover { color: #dbe5ff; border-bottom-style: solid; }
.path-link-hint { font-weight: 400; color: #9db0db; font-size: 0.85rem; }
#main-content:focus { outline: none; }
.path-requirements {
  margin: 0 0 0.65rem;
  padding: 0.65rem 0.75rem;
  border-radius: 10px;
  background: rgba(16, 25, 53, 0.85);
  border: 1px solid #3a5080;
  font-size: 0.82rem;
  line-height: 1.5;
  color: #c7d5ff;
}
.path-requirements code { font-size: 0.78rem; color: #e8eeff; }
.nb-pair-label {
  font-weight: 600;
  color: #dbe5ff;
  margin-right: 0.25rem;
}
.path-btn-colab {
  border-color: #f9ab00;
  background: rgba(249, 171, 0, 0.12);
  color: #ffe6b0;
}
.path-btn-colab:hover { border-color: #ffc040; }
.footer-links { font-size: 0.9rem; color: #c7d5ff; }
.footer-links a { color: #dbe5ff; text-decoration: none; font-weight: 500; }
.footer-links a:hover { text-decoration: underline; }
.footer-sep { color: #4d62a4; padding: 0 0.35rem; }
.card-paid {
  border-color: #a68b2e;
  background: linear-gradient(160deg, rgba(196, 160, 53, 0.14), rgba(24, 34, 61, 0.55));
}
.card-paid:hover { border-color: #d4b84a; }
.card-paid h2 { color: #f5edd2; }
.paid-cta { margin: 0.5rem 0 0; font-size: 0.88rem; color: #f2e6b0; font-weight: 600; }

/* Hero on the landing page: warm, focused, single primary action. */
.hero {
  margin: 0.5rem 0 2.25rem;
  padding: 2.5rem 1.5rem 2.25rem;
  border-radius: 22px;
  background:
    radial-gradient(80% 120% at 0% 0%, rgba(196, 145, 71, 0.18), transparent 60%),
    radial-gradient(70% 100% at 100% 0%, rgba(91, 124, 220, 0.18), transparent 55%),
    linear-gradient(180deg, rgba(24, 34, 61, 0.85), rgba(16, 25, 53, 0.85));
  border: 1px solid #28385f;
}
.hero-eyebrow {
  margin: 0 0 0.85rem;
  color: #c8b07a;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.78rem;
  font-weight: 600;
}
.hero-title {
  margin: 0 0 0.85rem;
  font-size: clamp(1.85rem, 4vw, 2.85rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: #f6f8ff;
}
.hero-lead {
  margin: 0 0 1.5rem;
  max-width: 56ch;
  color: #d4ddfa;
  font-size: 1.05rem;
  line-height: 1.6;
}
.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin: 0 0 1.5rem;
}
.hero-btn {
  display: inline-block;
  padding: 0.7rem 1.1rem;
  border-radius: 999px;
  border: 1px solid #28385f;
  background: #101a33;
  color: #dbe5ff;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
}
.hero-btn:hover { border-color: #4d62a4; }
.hero-btn-primary {
  border-color: transparent;
  background: linear-gradient(135deg, #4d62a4 0%, #6f86d6 100%);
  color: #fff;
  box-shadow: 0 6px 22px rgba(77, 98, 164, 0.4);
}
.hero-btn-primary:hover { box-shadow: 0 8px 28px rgba(77, 98, 164, 0.55); }
.hero-btn-ghost { background: transparent; }
.hero-stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.75rem;
  color: #9db0db;
  font-size: 0.9rem;
}
.hero-stats strong { color: #f6f8ff; font-weight: 700; font-size: 1.1rem; margin-right: 0.35rem; }

/* Section headings used on the landing page. */
.section-heading {
  margin: 0 0 0.4rem;
  font-size: 1.45rem;
  letter-spacing: -0.01em;
  color: #f6f8ff;
}
.section-lead { margin: 0 0 1rem; color: #c7d5ff; max-width: 60ch; line-height: 1.55; }

/* Compact 5-pill horizontal map of the stages. */
.journey-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0.25rem 0 1.5rem;
}
.journey-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.55rem 0.95rem;
  border-radius: 999px;
  border: 1px solid #28385f;
  background: rgba(24, 34, 61, 0.6);
  color: #dbe5ff;
  text-decoration: none;
  font-size: 0.9rem;
}
.journey-pill:hover { border-color: #4d62a4; }
.journey-pill-num {
  display: inline-block;
  min-width: 1.5rem;
  text-align: center;
  border-radius: 999px;
  background: #101a33;
  border: 1px solid #28385f;
  padding: 0.05rem 0.35rem;
  font-weight: 700;
  font-size: 0.78rem;
  color: #c8b07a;
}
.journey-pill-name { font-weight: 600; }

/* Stage section: header + module grid. */
.stage { margin: 2rem 0 1rem; scroll-margin-top: 5rem; }
.stage-header {
  margin: 0 0 1rem;
  padding: 0.85rem 1rem;
  border-left: 3px solid #4d62a4;
  background: rgba(16, 25, 53, 0.5);
  border-radius: 4px 12px 12px 4px;
}
.stage-number {
  display: inline-block;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #c8b07a;
  font-weight: 700;
}
.stage-name {
  margin: 0.25rem 0 0.2rem;
  font-size: 1.45rem;
  letter-spacing: -0.01em;
  color: #f6f8ff;
}
.stage-tagline { margin: 0 0 0.4rem; color: #dbe5ff; font-size: 1rem; }
.stage-outcome { margin: 0; color: #9db0db; font-size: 0.92rem; line-height: 1.5; }
.stage-outcome strong { color: #c7d5ff; }

/* Module card used on the landing + guides hub. */
.module-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 0.75rem;
}
.module-card {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  padding: 1rem;
  border: 1px solid #28385f;
  border-radius: 14px;
  background: rgba(24, 34, 61, 0.6);
  text-decoration: none;
  color: inherit;
  transition: border-color 120ms ease, transform 120ms ease;
}
.module-card:hover { border-color: #4d62a4; transform: translateY(-1px); }
.module-card-top { display: flex; justify-content: space-between; align-items: center; }
.module-card-num {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: #c8b07a;
  text-transform: uppercase;
}
.module-card-time {
  font-size: 0.78rem;
  color: #9db0db;
  border: 1px solid #28385f;
  border-radius: 999px;
  padding: 0.05rem 0.45rem;
}
.module-card h3 {
  margin: 0;
  font-size: 1.02rem;
  line-height: 1.3;
  color: #f6f8ff;
}
.module-card p {
  margin: 0;
  color: #c7d5ff;
  font-size: 0.92rem;
  line-height: 1.45;
}
.module-card-bottom {
  margin-top: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  color: #9db0db;
}
.module-card-cta { color: #dbe5ff; font-weight: 600; }

/* "How it works" footer on the landing page. */
.how-it-works {
  margin-top: 2rem;
  padding: 1.25rem 1.25rem 1rem;
  border: 1px dashed #28385f;
  border-radius: 14px;
  background: rgba(16, 25, 53, 0.4);
}
.how-steps {
  margin: 0.75rem 0 0.5rem 1.25rem;
  padding: 0;
  color: #d4ddfa;
  line-height: 1.65;
}
.how-steps li { margin-bottom: 0.25rem; }
.how-steps strong { color: #f6f8ff; }
.how-foot { color: #9db0db; font-size: 0.9rem; line-height: 1.5; margin: 0.85rem 0 0; }

/* Per-module cover: mirrors the journey card so the page confirms the promise. */
.guide-cover {
  margin: 0 0 1.75rem;
  padding: 1.75rem 1.6rem 1.5rem;
  border-radius: 18px;
  border: 1px solid #28385f;
  background:
    radial-gradient(75% 110% at 0% 0%, rgba(196, 145, 71, 0.16), transparent 60%),
    radial-gradient(70% 100% at 100% 0%, rgba(91, 124, 220, 0.18), transparent 55%),
    linear-gradient(180deg, rgba(24, 34, 61, 0.85), rgba(16, 25, 53, 0.85));
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}
.guide-cover-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem 0.55rem;
  margin: 0 0 0.15rem;
  font-size: 0.85rem;
}
.guide-cover-stage {
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.78rem;
  color: #c8b07a;
}
.guide-cover-dot { color: #4d62a4; }
.guide-cover-pos { color: #dbe5ff; font-weight: 600; }
.guide-cover-time {
  color: #9db0db;
  border: 1px solid #28385f;
  border-radius: 999px;
  padding: 0.05rem 0.55rem;
  font-size: 0.78rem;
}
.guide-cover-title {
  margin: 0.1rem 0 0;
  font-size: clamp(1.7rem, 3.6vw, 2.35rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: #f6f8ff;
}
.guide-cover-blurb {
  margin: 0;
  max-width: 60ch;
  color: #d4ddfa;
  font-size: 1.05rem;
  line-height: 1.55;
}
.guide-cover-back {
  margin-top: 0.35rem;
  font-size: 0.85rem;
  color: #9db0db;
  text-decoration: none;
  align-self: flex-start;
  border-bottom: 1px dotted #4d62a4;
}
.guide-cover-back:hover { color: #dbe5ff; border-bottom-style: solid; }
@media (max-width: 640px) {
  .guide-cover { padding: 1.35rem 1.1rem 1.1rem; border-radius: 14px; }
}

@media (max-width: 640px) {
  .hero { padding: 1.75rem 1.1rem; border-radius: 16px; }
  .hero-stats { gap: 0.65rem 1.25rem; }
  .stage { margin: 1.5rem 0 0.75rem; }
}