:root {
  --ink: #16323a;
  --muted: #546a73;
  --paper: #f6fbfb;
  --white: #ffffff;
  --line: #dbe7ea;
  --teal: #0f766e;
  --blue: #2563eb;
  --slate: #263f49;
  --amber: #b7791f;
  --red: #b42318;
  --yellow: #a16207;
  --green: #047857;
  --grey: #64748b;
  --focus: #f59e0b;
  --shadow: 0 18px 42px rgba(22, 50, 58, 0.1);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  background: linear-gradient(180deg, #eef8f8 0%, #fbfdfd 46%, #ffffff 100%);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.55;
}

a {
  color: inherit;
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 4px;
}

.boundary-banner {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  justify-content: center;
  padding: 0.8rem 1rem;
  color: #ffffff;
  background: var(--slate);
  border-bottom: 4px solid var(--amber);
}

.boundary-banner span {
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 8px;
  padding: 0.28rem 0.68rem;
  font-size: 0.84rem;
  font-weight: 800;
}

main {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 0.42fr);
  gap: 1.5rem;
  align-items: end;
  padding: 4.2rem 0 3rem;
}

.hero-copy {
  max-width: 840px;
}

.eyebrow {
  margin: 0 0 0.7rem;
  color: var(--teal);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 1rem;
  font-size: clamp(2.25rem, 6vw, 4.8rem);
  line-height: 1;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 0.8rem;
  font-size: clamp(1.55rem, 3vw, 2.45rem);
  line-height: 1.08;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 0.55rem;
  font-size: 1.05rem;
  letter-spacing: 0;
}

.lead {
  max-width: 760px;
  color: var(--muted);
  font-size: 1.12rem;
}

.boundary-note,
.shell-panel,
.placeholder-section {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.boundary-note {
  margin: 1.25rem 0 0;
  border-left: 5px solid var(--amber);
  padding: 1rem;
  color: var(--ink);
  font-weight: 800;
}

.page-links {
  display: grid;
  gap: 0.75rem;
}

.page-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  border: 1px solid rgba(15, 118, 110, 0.26);
  border-radius: 8px;
  padding: 0.8rem 1rem;
  background: var(--teal);
  color: #ffffff;
  font-weight: 800;
  text-align: center;
  text-decoration: none;
}

.page-links a:hover {
  background: #0b4f4a;
}

.shell-panel {
  margin: 0 0 2rem;
  padding: 1.3rem;
}

.shell-panel p:last-child {
  margin-bottom: 0;
}

.placeholder-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.7rem;
  margin: 1rem 0 0;
  padding: 0;
}

.placeholder-nav button {
  min-height: 3.35rem;
  border: 1px dashed #b7c9ce;
  border-left: 5px solid var(--blue);
  border-radius: 8px;
  padding: 0.75rem;
  background: var(--paper);
  color: var(--ink);
  font: inherit;
  font-weight: 800;
  text-align: left;
  cursor: pointer;
}

.placeholder-nav button:hover {
  border-style: solid;
  background: #ffffff;
}

.placeholder-nav button[aria-current="true"] {
  border-style: solid;
  border-color: rgba(15, 118, 110, 0.62);
  border-left-color: var(--teal);
  background: #e8f7f4;
}

.placeholder-nav button[aria-current="true"]::after {
  content: "Current";
  display: inline-block;
  margin-left: 0.5rem;
  border-radius: 999px;
  padding: 0.08rem 0.45rem;
  background: var(--teal);
  color: #ffffff;
  font-size: 0.72rem;
  font-weight: 800;
  vertical-align: middle;
}

.placeholder-nav button[data-nav-show-all] {
  border-left-color: var(--amber);
}

.current-section,
.fallback-note {
  margin: 1rem 0 0;
  border-left: 5px solid var(--teal);
  border-radius: 8px;
  padding: 0.85rem 1rem;
  background: #eef8f8;
  color: var(--ink);
  font-weight: 800;
}

.screen-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  padding: 1.5rem 0 2.5rem;
}

.section-heading {
  grid-column: 1 / -1;
  max-width: 820px;
}

.section-heading p {
  color: var(--muted);
}

.placeholder-section {
  min-height: 9rem;
  border-top: 5px solid var(--blue);
  padding: 1rem;
}

.js-enabled .placeholder-section:not([hidden]) {
  grid-column: 1 / -1;
}

.placeholder-section p {
  margin-bottom: 0;
  color: var(--muted);
}

.case-section-intro {
  margin: 0.2rem 0 1rem;
  color: var(--muted);
}

.case-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 0.85rem;
  margin-top: 1rem;
}

.case-card {
  display: grid;
  gap: 0.7rem;
  align-content: start;
  min-height: 100%;
  border: 1px solid var(--line);
  border-left: 6px solid var(--grey);
  border-radius: 8px;
  padding: 0.9rem;
  background: #ffffff;
}

.case-card[data-status="Red"] {
  border-left-color: var(--red);
  background: linear-gradient(180deg, #fff6f5 0%, #ffffff 58%);
}

.case-card[data-status="Yellow"] {
  border-left-color: var(--yellow);
  background: linear-gradient(180deg, #fffbeb 0%, #ffffff 58%);
}

.case-card[data-status="Green"] {
  border-left-color: var(--green);
  background: linear-gradient(180deg, #ecfdf5 0%, #ffffff 58%);
}

.case-card[data-status="Grey"] {
  border-left-color: var(--grey);
  background: linear-gradient(180deg, #f8fafc 0%, #ffffff 58%);
}

.case-card-header {
  display: grid;
  gap: 0.35rem;
}

.case-card-kicker {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  align-items: center;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.synthetic-pill,
.status-pill {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 0.12rem 0.5rem;
  font-size: 0.74rem;
  font-weight: 800;
}

.synthetic-pill {
  border: 1px solid rgba(15, 118, 110, 0.28);
  color: var(--teal);
  background: #e8f7f4;
}

.status-pill {
  border: 1px solid var(--line);
  color: var(--ink);
  background: var(--paper);
}

.case-card h4 {
  margin: 0;
  font-size: 1rem;
  line-height: 1.25;
  letter-spacing: 0;
}

.case-card dl {
  display: grid;
  gap: 0.45rem;
  margin: 0;
}

.case-card-row {
  display: grid;
  gap: 0.1rem;
}

.case-card dt {
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
}

.case-card dd {
  margin: 0;
  color: var(--ink);
}

.case-card-note {
  border-top: 1px solid var(--line);
  padding-top: 0.65rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.case-card-note p {
  margin-bottom: 0.35rem;
}

.case-card-note p:last-child {
  margin-bottom: 0;
}

.future-ai {
  border-top-color: #64748b;
  background: repeating-linear-gradient(
    -45deg,
    rgba(100, 116, 139, 0.07) 0,
    rgba(100, 116, 139, 0.07) 0.55rem,
    rgba(255, 255, 255, 0.94) 0.55rem,
    rgba(255, 255, 255, 0.94) 1.1rem
  );
}

.boundary-panel {
  border-left: 5px solid var(--amber);
}

.footer-boundary {
  margin-top: 3rem;
  padding: 1.25rem 1rem;
  color: #ffffff;
  background: var(--slate);
  text-align: center;
}

.footer-boundary p {
  max-width: 1020px;
  margin: 0 auto;
  font-size: 0.94rem;
}

@media (max-width: 820px) {
  .hero,
  .screen-grid,
  .placeholder-nav {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 3rem;
  }
}

@media (max-width: 560px) {
  main {
    width: min(100% - 1rem, 1120px);
  }

  .boundary-banner {
    justify-content: flex-start;
  }

  .shell-panel,
  .placeholder-section {
    padding: 1rem;
  }
}