:root {
  --bg: #f5f7fa;
  --surface: #ffffff;
  --surface-alt: #f9fbfd;
  --text: #173042;
  --muted: #5a6f80;
  --line: #d7e1ea;
  --line-strong: #afbfcd;
  --accent: #325a79;
  --accent-soft: #e8eff5;
  --accent-deep: #223d52;
  --caution-bg: #fbf7f2;
  --caution-line: #dcc6aa;
  --shadow: 0 24px 60px rgba(20, 42, 59, 0.08);
  --radius: 18px;
  --radius-sm: 12px;
  --container: 1120px;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at top left, rgba(121, 153, 180, 0.12), transparent 28%),
    linear-gradient(180deg, #f8fafc 0%, var(--bg) 35%, #f3f6f9 100%);
  color: var(--text);
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
}

a {
  color: var(--accent);
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -3rem;
  background: var(--accent-deep);
  color: #fff;
  padding: 0.7rem 1rem;
  border-radius: 999px;
  z-index: 10;
}

.skip-link:focus {
  top: 1rem;
}

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

.site-header {
  padding: 3rem 0 1.5rem;
}

.hero {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(215, 225, 234, 0.9);
  border-radius: 28px;
  box-shadow: var(--shadow);
  padding: 3rem;
}

.eyebrow,
.section-kicker,
.roadmap-step,
.resource-type {
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--muted);
}

h1,
h2,
h3,
summary {
  color: var(--accent-deep);
  font-family: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Georgia, serif;
}

h1 {
  margin: 0.2rem 0 0;
  font-size: clamp(2.35rem, 4vw, 4.4rem);
  line-height: 0.98;
  letter-spacing: -0.03em;
}

.prep-line,
.hero-note {
  color: var(--muted);
}

.prep-line {
  margin: 0 0 0.55rem;
  font-size: 0.98rem;
}

.subtitle {
  margin: 0.8rem 0 1.2rem;
  font-size: 1.15rem;
  color: var(--muted);
}

.hero-summary {
  max-width: 72ch;
  margin: 0 0 0.8rem;
  font-size: 1.08rem;
}

.hero-note {
  margin: 0;
  font-size: 0.98rem;
}

.anchor-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

.anchor-nav a,
.view-toggle {
  appearance: none;
  border: 1px solid var(--line-strong);
  background: var(--surface);
  color: var(--accent-deep);
  border-radius: 999px;
  padding: 0.55rem 0.95rem;
  text-decoration: none;
  font-weight: 600;
  transition:
    background-color 160ms ease,
    border-color 160ms ease,
    transform 160ms ease;
}

.anchor-nav a:hover,
.anchor-nav a:focus-visible,
.view-toggle:hover,
.view-toggle:focus-visible {
  background: var(--accent-soft);
  border-color: var(--accent);
  transform: translateY(-1px);
}

.page-shell {
  padding-bottom: 5rem;
}

.section {
  padding: 1.25rem 0 0.5rem;
}

.section + .section {
  border-top: 1px solid rgba(175, 191, 205, 0.45);
  margin-top: 1rem;
  padding-top: 2.4rem;
}

.section-accent {
  margin-top: 2rem;
  padding: 2rem;
  border: 1px solid var(--line);
  border-radius: 26px;
  background: linear-gradient(180deg, rgba(232, 239, 245, 0.65), rgba(255, 255, 255, 0.8));
}

.section-heading {
  margin-bottom: 1rem;
}

.section-heading-split {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
}

h2 {
  margin: 0.15rem 0 0;
  font-size: clamp(1.8rem, 3vw, 2.5rem);
}

h3 {
  margin: 0 0 0.5rem;
  font-size: 1.35rem;
}

.glance-grid,
.callout-grid,
.check-grid,
.roadmap-grid {
  display: grid;
  gap: 1rem;
}

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

.summary-card,
.panel,
.check-card,
.roadmap-card,
.resource-item,
.resource-group {
  background: rgba(255, 255, 255, 0.84);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 10px 28px rgba(28, 48, 66, 0.04);
}

.summary-card,
.panel,
.roadmap-card,
.resource-item {
  padding: 1.25rem 1.35rem;
}

.summary-card {
  display: flex;
  flex-direction: column;
}

.summary-card > p {
  flex: 1 0 auto;
}

.summary-card details {
  margin-top: auto;
}

.stack {
  display: grid;
  gap: 1rem;
}

details {
  margin-top: 0.8rem;
  border-top: 1px solid var(--line);
  padding-top: 0.8rem;
}

summary {
  cursor: pointer;
  font-size: 1.04rem;
  list-style: none;
}

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

summary::after {
  content: "+";
  float: right;
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  color: var(--muted);
}

details[open] summary::after {
  content: "−";
}

.details-body > :first-child {
  margin-top: 0;
}

.clean-list {
  margin: 0.9rem 0 0;
  padding-left: 1.1rem;
}

.clean-list li + li {
  margin-top: 0.35rem;
}

.diagram {
  display: grid;
  grid-template-columns: repeat(7, auto);
  align-items: center;
  gap: 0.7rem;
  margin-top: 1rem;
  padding: 1rem;
  background: var(--surface-alt);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  overflow-x: auto;
}

.diagram div {
  white-space: nowrap;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  padding: 0.55rem 0.9rem;
  font-weight: 600;
}

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

.callout-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 1rem;
}

.note-card {
  padding: 1rem 1.05rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface-alt);
}

.note-card.caution {
  background: var(--caution-bg);
  border-color: var(--caution-line);
}

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

.check-card {
  padding: 1rem 1.1rem;
  position: relative;
}

.check-card::before {
  content: "";
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 999px;
  background: var(--accent);
  display: inline-block;
  margin-right: 0.7rem;
  vertical-align: middle;
}

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

.roadmap-card {
  min-height: 150px;
}

.pathway {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 0.75rem;
  list-style: none;
  padding: 0;
  margin: 0;
  counter-reset: pathway;
}

.pathway li {
  counter-increment: pathway;
  background: rgba(255, 255, 255, 0.84);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 1rem;
  min-height: 108px;
}

.pathway li::before {
  content: "0" counter(pathway);
  display: block;
  margin-bottom: 0.55rem;
  color: var(--muted);
  font-weight: 700;
  font-size: 0.84rem;
}

.notes-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--accent);
  background: var(--accent-soft);
  color: var(--accent-deep);
  text-decoration: none;
  border-radius: 999px;
  padding: 0.7rem 1rem;
  font-weight: 700;
  transition:
    background-color 160ms ease,
    border-color 160ms ease,
    transform 160ms ease;
}

.notes-button:hover,
.notes-button:focus-visible {
  background: #ddeaf4;
  border-color: var(--accent-deep);
  transform: translateY(-1px);
}

.notes-intro {
  margin-top: 0;
  max-width: 68ch;
}

.meeting-log {
  display: grid;
  gap: 0.9rem;
  margin-top: 1.2rem;
}

.meeting-item {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface-alt);
  padding: 1rem 1.05rem;
}

.meeting-date {
  margin: 0 0 0.35rem;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 700;
}

.meeting-item h3 {
  margin-bottom: 0.35rem;
  font-size: 1.15rem;
}

.meeting-item p:last-child {
  margin-bottom: 0;
}

.meeting-link {
  display: inline-block;
  margin-top: 0.55rem;
  font-weight: 600;
}

.resources-intro {
  max-width: 68ch;
  margin-top: 0;
}

.resource-groups {
  display: grid;
  gap: 0.9rem;
}

.resource-group {
  overflow: hidden;
}

.resource-group details {
  margin: 0;
  padding: 0;
  border: 0;
}

.resource-group summary {
  padding: 1.1rem 1.3rem;
  background: rgba(249, 251, 253, 0.85);
}

.resource-list {
  display: grid;
  gap: 0.8rem;
  padding: 0 1rem 1rem;
}

.resource-item {
  scroll-margin-top: 1.4rem;
}

.resource-item.active {
  border-color: var(--accent);
  box-shadow:
    0 0 0 3px rgba(50, 90, 121, 0.12),
    0 14px 32px rgba(28, 48, 66, 0.08);
}

.resource-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  margin-bottom: 0.35rem;
}

.resource-type {
  padding: 0.28rem 0.55rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-deep);
}

.resource-local {
  color: var(--muted);
  font-size: 0.92rem;
}

.resource-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 0.9rem;
}

.resource-link {
  font-weight: 600;
}

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

.footnote-list {
  display: inline-flex;
  gap: 0.16rem;
  margin-left: 0.18rem;
  vertical-align: super;
  font-size: 0.75em;
  line-height: 1;
}

.footnote-list a {
  text-decoration: none;
}

.footnote-list a:hover,
.footnote-list a:focus-visible {
  text-decoration: underline;
}

@media (max-width: 960px) {
  .hero {
    padding: 2rem;
  }

  .glance-grid,
  .check-grid,
  .roadmap-grid,
  .callout-grid,
  .pathway {
    grid-template-columns: 1fr;
  }

  .section-heading-split {
    align-items: start;
    flex-direction: column;
  }
}

@media (max-width: 720px) {
  body {
    font-size: 1rem;
  }

  .site-header {
    padding-top: 1rem;
  }

  .hero {
    border-radius: 22px;
    padding: 1.35rem;
  }

  .anchor-nav {
    gap: 0.55rem;
  }

  .anchor-nav a,
  .view-toggle {
    width: fit-content;
  }

  .panel,
  .summary-card,
  .roadmap-card,
  .resource-item {
    padding: 1rem;
  }

  .section-accent {
    padding: 1rem;
  }
}

@media print {
  html {
    scroll-behavior: auto;
  }

  body {
    background: #fff;
    color: #000;
    font-size: 11pt;
  }

  .skip-link,
  .view-toggle {
    display: none !important;
  }

  .site-header,
  .page-shell,
  .section,
  .section-accent,
  .hero,
  .summary-card,
  .panel,
  .check-card,
  .roadmap-card,
  .resource-group,
  .resource-item,
  .pathway li {
    background: #fff !important;
    box-shadow: none !important;
  }

  .hero,
  .section-accent,
  .summary-card,
  .panel,
  .check-card,
  .roadmap-card,
  .resource-item,
  .pathway li {
    border-color: #cfcfcf !important;
  }

  .anchor-nav {
    margin-top: 1rem;
  }

  .anchor-nav a {
    border-color: #cfcfcf;
    color: #000;
  }

  details {
    break-inside: avoid;
  }

  details:not([open]) > *:not(summary) {
    display: block;
  }

  summary::after {
    display: none;
  }

  .glance-grid,
  .check-grid,
  .roadmap-grid,
  .callout-grid,
  .pathway {
    grid-template-columns: 1fr 1fr;
  }

  .resource-group,
  .resource-item,
  .panel,
  .summary-card,
  .roadmap-card,
  .check-card,
  .pathway li {
    break-inside: avoid;
    page-break-inside: avoid;
  }

  .resource-actions a[href]::after {
    content: " (" attr(href) ")";
    font-weight: 400;
    word-break: break-all;
  }
}