:root {
  color-scheme: light;
  --dartmouth-green: #00693e;
  --forest: #12312b;
  --pine: #0b3d2e;
  --river: #267aba;
  --gold: #c49a3a;
  --granite: #424141;
  --mist: #f7f7f7;
  --cream: #fbfaf6;
  --ink: #17211f;
  --muted: #5f6b68;
  --line: #d9e4df;
  --card: #ffffff;
  --patient: #00693e;
  --risk: #8a3a2b;
  --shadow: 0 24px 70px rgba(18, 49, 43, 0.16);
  --soft-shadow: 0 10px 28px rgba(18, 49, 43, 0.09);
  --focus: #0b6fd3;
  --content: 74ch;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 8rem; }
body {
  margin: 0;
  background:
    radial-gradient(circle at 8% 0%, rgba(0, 105, 62, 0.18), transparent 27rem),
    radial-gradient(circle at 90% 6%, rgba(196, 154, 58, 0.12), transparent 22rem),
    linear-gradient(180deg, #ffffff 0%, var(--mist) 48%, #eef5f1 100%);
  color: var(--ink);
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

a { color: inherit; }
a:focus-visible, button:focus-visible, select:focus-visible, summary:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}
.skip {
  position: absolute;
  left: -999px;
  top: 1rem;
  background: var(--forest);
  color: white;
  padding: .75rem 1rem;
  border-radius: 999px;
}
.skip:focus { left: 1rem; z-index: 20; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: .95rem clamp(1rem, 3vw, 3rem);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(18, 49, 43, .10);
}
.enterprise-header { box-shadow: 0 8px 28px rgba(18, 49, 43, .06); }
.brand { display: flex; align-items: center; gap: .85rem; flex: 0 1 auto; min-width: 0; }
.brand { text-decoration: none; }
.brand:hover strong { color: var(--dartmouth-green); }
.brand strong { display: block; letter-spacing: -.02em; color: var(--forest); }
.brand small { display: block; color: var(--muted); }
.mark {
  display: grid;
  place-items: center;
  width: 2.8rem;
  height: 2.8rem;
  border-radius: .85rem;
  overflow: hidden;
  background: var(--forest);
  color: white;
  font-weight: 950;
  box-shadow: var(--soft-shadow);
}
.mark img { width: 100%; height: 100%; object-fit: cover; object-position: center; }
nav { display: flex; gap: .2rem; flex-wrap: nowrap; justify-content: flex-end; }
nav a {
  text-decoration: none;
  color: var(--granite);
  font-weight: 760;
  font-size: .91rem;
  padding: .52rem .62rem;
  border-radius: 999px;
  white-space: nowrap;
}
nav a:hover, nav a:focus-visible { color: var(--dartmouth-green); background: rgba(0, 105, 62, .08); }
nav a[aria-current="page"] { color: var(--forest); background: rgba(0, 105, 62, .11); }
.utility-nav {
  width: min(1160px, calc(100% - 2rem));
  margin: .65rem auto 0;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: .15rem;
  overflow: visible;
  padding: 0;
  color: var(--muted);
}
.utility-nav span {
  margin-right: .35rem;
  font-size: .73rem;
  font-weight: 900;
  letter-spacing: .09em;
  text-transform: uppercase;
}
.utility-nav a { padding: .4rem .58rem; font-size: .84rem; }

main {
  width: min(1160px, calc(100% - 2rem));
  margin: 0 auto;
  padding: clamp(1.25rem, 3vw, 2.25rem) 0 4.5rem;
  min-width: 0;
}
.hero-copy, .hero-dashboard, .panel > *, .card-grid > *, .patient-first > * { min-width: 0; }
.hero, .panel {
  background: rgba(255, 255, 255, .95);
  border: 1px solid rgba(18, 49, 43, .10);
  border-radius: 1.35rem;
  box-shadow: var(--shadow);
}
.hero {
  position: relative;
  overflow: hidden;
  padding: clamp(2.25rem, 5vw, 4.75rem);
  min-height: min(560px, calc(100vh - 8rem));
  display: grid;
  align-content: center;
  gap: 1.35rem;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: .6rem;
  background: linear-gradient(90deg, var(--dartmouth-green), var(--forest), var(--gold));
}
.hero::after {
  content: "";
  position: absolute;
  right: -9rem;
  top: -9rem;
  width: 25rem;
  height: 25rem;
  border-radius: 50%;
  background: rgba(0, 105, 62, .09);
  pointer-events: none;
}
.hero > * { position: relative; z-index: 1; }
.hero-executive {
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, .8fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
  background: linear-gradient(135deg, rgba(18, 49, 43, .98), rgba(0, 105, 62, .92)), #12312b;
  color: white;
}
.hero-executive h1, .hero-executive h2 { color: white; }
.hero-executive .lead { color: #e0eee8; }
.hero-executive .eyebrow { color: #bfe6d1; }
.hero-executive::after { background: rgba(255, 255, 255, .06); }
.hero-copy, .hero-dashboard, .section-title, .panel > p, .panel > ol, .panel > .card-grid, .panel > .question-stack, .panel > .stat-grid, .panel > .command-strip { position: relative; z-index: 1; }
.hero-dashboard { display: grid; gap: 1rem; }
.dash-card {
  background: rgba(255,255,255,.94);
  color: var(--forest);
  border: 1px solid rgba(255,255,255,.22);
  border-radius: 1.1rem;
  padding: 1.15rem;
  box-shadow: 0 16px 36px rgba(0,0,0,.18);
}
.dash-card.dark { background: rgba(255,255,255,.12); color: white; border-color: rgba(255,255,255,.22); }
.dash-card span { display: block; color: var(--gold); font-size: .76rem; font-weight: 900; letter-spacing: .09em; text-transform: uppercase; }
.dash-card strong { display: block; margin: .3rem 0; font-size: clamp(1.7rem, 4vw, 2.8rem); line-height: 1; }
.dash-card p { margin: 0; color: inherit; opacity: .86; }
.hero-command { background: linear-gradient(135deg, #ffffff 0%, #f1f8f4 52%, #e7f1ec 100%); }
.command-strip {
  display: flex;
  gap: .7rem;
  flex-wrap: wrap;
  margin-top: .6rem;
}
.command-strip a {
  text-decoration: none;
  color: var(--forest);
  font-weight: 900;
  background: #ffffff;
  border: 1px solid rgba(0,105,62,.16);
  padding: .72rem .9rem;
  border-radius: 999px;
  box-shadow: 0 6px 18px rgba(18, 49, 43, .06);
}
.command-strip a:hover { border-color: var(--dartmouth-green); color: var(--dartmouth-green); }
.eyebrow {
  margin: 0 0 .5rem;
  color: var(--dartmouth-green);
  text-transform: uppercase;
  letter-spacing: .13em;
  font-size: .76rem;
  font-weight: 950;
}
h1 {
  margin: 0;
  max-width: 920px;
  font-size: clamp(2.35rem, 5vw, 4.6rem);
  line-height: 1;
  letter-spacing: -.052em;
  color: var(--forest);
}
h2 {
  margin: 0;
  font-size: clamp(1.45rem, 2.7vw, 2.35rem);
  line-height: 1.08;
  letter-spacing: -.035em;
  color: var(--forest);
}
h3 { margin: .2rem 0 .55rem; line-height: 1.18; color: var(--forest); }
p { max-width: var(--content); }
.lead {
  margin: 0;
  max-width: 830px;
  color: var(--granite);
  font-size: clamp(1.08rem, 2vw, 1.32rem);
}
.lede {
  font-size: clamp(1.18rem, 2.3vw, 1.55rem);
  line-height: 1.4;
  color: var(--forest);
  font-weight: 820;
}
.hero-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 1rem;
}
.hero-grid article {
  padding: 1.1rem;
  border: 1px solid rgba(0, 105, 62, .16);
  border-radius: 1rem;
  background: linear-gradient(180deg, #ffffff, #f4faf7);
}
.hero-grid span, .tag {
  display: inline-block;
  color: var(--dartmouth-green);
  font-size: .76rem;
  font-weight: 950;
  text-transform: uppercase;
  letter-spacing: .09em;
}
.hero-grid strong { display: block; margin-top: .45rem; color: var(--forest); }
.actions { display: flex; gap: .75rem; flex-wrap: wrap; margin-top: .35rem; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.95rem;
  padding: .88rem 1.12rem;
  border-radius: 999px;
  background: var(--dartmouth-green);
  color: white;
  font-weight: 950;
  text-decoration: none;
  box-shadow: var(--soft-shadow);
}
.hero-executive .button { background: white; color: var(--forest); }
.button:hover { background: var(--forest); color: white; transform: translateY(-1px); }
.button.secondary { background: #e8f2ee; color: var(--forest); box-shadow: none; }
.hero-executive .button.secondary { background: rgba(255,255,255,.12); color: white; border: 1px solid rgba(255,255,255,.25); }

.panel { margin-top: 1.15rem; padding: clamp(1.35rem, 3vw, 2.15rem); }
.highlight-panel { border-color: rgba(0,105,62,.18); background: linear-gradient(135deg, #ffffff 0%, #f2faf6 100%); }
.executive-summary p { font-size: 1.03rem; }
.patient-first {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  background: linear-gradient(135deg, #ffffff 0%, #eef7f2 100%);
}
.question-stack { display: grid; gap: .8rem; }
.question {
  display: block;
  padding: 1rem;
  border-radius: 1rem;
  background: white;
  border: 1px solid rgba(0, 105, 62, .18);
  color: var(--forest);
  font-weight: 850;
  text-decoration: none;
  box-shadow: 0 4px 18px rgba(18, 49, 43, .05);
  overflow-wrap: anywhere;
}
a.question:hover { border-color: var(--dartmouth-green); color: var(--dartmouth-green); }
.section-title { max-width: 920px; margin-bottom: 1.25rem; }
.section-title p:not(.eyebrow) { color: var(--muted); }
.card-grid, .evidence-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
.card, .evidence-card, .step, .risk-card {
  background: #ffffff;
  border: 1px solid rgba(18, 49, 43, .10);
  border-radius: 1rem;
  padding: 1.05rem;
  box-shadow: 0 6px 22px rgba(18, 49, 43, .045);
  transition: border-color .18s ease, box-shadow .18s ease, transform .18s ease;
}
.card:hover, .evidence-card:hover, .risk-card:hover {
  border-color: rgba(0, 105, 62, .26);
  box-shadow: 0 12px 30px rgba(18, 49, 43, .08);
  transform: translateY(-2px);
}
.premium-card { border-top: .35rem solid var(--dartmouth-green); }
.card p, .evidence-card p, .step p, .risk-card p { color: var(--muted); margin: .5rem 0 0; }
.benefit { color: var(--patient) !important; font-weight: 850; }
.guardrail, .risk { color: var(--risk) !important; font-weight: 850; }
.use { font-size: .93rem; }
.step-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  padding: 0;
  list-style: none;
  counter-reset: steps;
}
.step { counter-increment: steps; position: relative; padding-left: 4rem; }
.step::before {
  content: counter(steps);
  position: absolute;
  left: 1rem;
  top: 1rem;
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border-radius: .65rem;
  background: var(--dartmouth-green);
  color: white;
  font-weight: 900;
}
.resource-link {
  display: inline-flex;
  margin-top: .9rem;
  font-weight: 950;
  color: var(--dartmouth-green);
  text-decoration: none;
}
.resource-link::after { content: " ↗"; }
.resource-link:hover { color: var(--forest); text-decoration: underline; text-underline-offset: .22em; }
.references ol { padding-left: 1.3rem; }
.references li { margin-bottom: .8rem; color: var(--muted); }
.references li, .references a { overflow-wrap: anywhere; }
pre {
  overflow: auto;
  padding: 1rem;
  border-radius: 1rem;
  background: #0d211d;
  color: #eaf7f1;
  line-height: 1.45;
}
.matrix-table {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 1rem;
  width: 100%;
  max-width: 100%;
  min-width: 0;
}
table { width: 100%; border-collapse: collapse; min-width: 980px; background: white; }
th, td { padding: .85rem; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
th { background: #e8f2ee; color: var(--forest); font-size: .86rem; }
td { color: var(--granite); font-size: .92rem; }
tbody tr:nth-child(even) { background: #fbfdfc; }
tbody tr:hover { background: #f1f8f4; }
.stat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
.stat {
  background: var(--forest);
  color: white;
  border-radius: 1.1rem;
  padding: 1.25rem;
}
.stat strong { display: block; font-size: clamp(2rem, 5vw, 3.4rem); line-height: 1; }
.stat span { display: block; margin-top: .5rem; color: #dbe9e3; font-weight: 700; }
.alert-band {
  border-left: .45rem solid var(--risk);
  background: #fff8f4;
}
.dashboard-panel {
  background: linear-gradient(135deg, #ffffff 0%, #f1f8f5 100%);
}
.dashboard-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 1rem;
}
.chart-card, .action-card {
  background: white;
  border: 1px solid rgba(18, 49, 43, .10);
  border-radius: 1rem;
  box-shadow: 0 8px 24px rgba(18, 49, 43, .06);
}
.chart-card { padding: 1rem; min-width: 0; }
.chart-title {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: .8rem;
  margin-bottom: .5rem;
}
.chart-title span {
  color: var(--dartmouth-green);
  font-size: .76rem;
  font-weight: 900;
  letter-spacing: .09em;
  text-transform: uppercase;
}
.chart-title strong { color: var(--forest); }
.plotly-chart {
  width: 100%;
  min-height: 340px;
}
.action-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-top: 1rem;
}
.action-card { padding: 1rem; }
.action-card p { color: var(--muted); margin: .45rem 0 0; }
.synthesis-slot {
  border-style: dashed;
  background: rgba(255, 255, 255, .72);
}
.qr-code { width: 220px; max-width: 100%; border-radius: 1rem; border: 1px solid var(--line); padding: .5rem; background: white; }
footer {
  width: min(1160px, calc(100% - 2rem));
  margin: 0 auto 2rem;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) auto;
  align-items: center;
  gap: 1rem;
  color: var(--muted);
  font-size: .9rem;
}
.footer-resources {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: .15rem;
  overflow: visible;
  padding: 0;
}
.footer-resources a { font-size: .84rem; padding: .35rem .5rem; }
.journey-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.15rem;
  overflow: visible;
  padding: 0;
}
.journey-nav a {
  display: grid;
  gap: .18rem;
  min-height: 5.3rem;
  align-content: center;
  padding: 1rem 1.2rem;
  border: 1px solid rgba(0, 105, 62, .16);
  border-radius: 1rem;
  background: rgba(255, 255, 255, .94);
  box-shadow: var(--soft-shadow);
  white-space: normal;
}
.journey-nav a:last-child { text-align: right; }
.journey-nav small { color: var(--muted); font-weight: 800; text-transform: uppercase; letter-spacing: .08em; }
.journey-nav strong { color: var(--forest); font-size: 1.02rem; }
.parent-nav {
  margin-top: 1.15rem;
  justify-content: flex-start;
  overflow: visible;
  padding: 0;
}
.parent-nav a {
  border: 1px solid rgba(0, 105, 62, .16);
  background: rgba(255, 255, 255, .9);
  padding: .72rem 1rem;
}
.boundary-note {
  padding: .9rem 1rem;
  border-left: .3rem solid var(--gold);
  border-radius: .5rem;
  background: #fffaf0;
  color: var(--granite);
}
.reference-library {
  margin-top: 1rem;
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: rgba(255, 255, 255, .74);
}
.reference-library > summary {
  cursor: pointer;
  padding: 1rem 1.15rem;
  color: var(--forest);
  font-weight: 900;
}
.reference-library[open] > summary { border-bottom: 1px solid var(--line); }
.reference-library > .card-grid { padding: 1rem; }

@media (max-width: 1280px) {
  .site-header { align-items: stretch; flex-direction: column; padding-bottom: .7rem; }
  .brand small { display: inline; }
  nav {
    justify-content: flex-start;
    overflow-x: auto;
    padding: .1rem 0 .25rem;
    scrollbar-width: thin;
  }
}

@media (max-width: 900px) {
  .hero-executive, .hero-grid, .patient-first, .card-grid, .evidence-grid, .step-list, .stat-grid, .dashboard-grid, .action-grid { grid-template-columns: 1fr; }
  .hero { min-height: auto; }
  h1 { font-size: clamp(2.15rem, 11vw, 3.45rem); }
  footer { grid-template-columns: 1fr; }
  .footer-resources { justify-content: flex-start; }
}

@media (max-width: 560px) {
  .site-header { position: relative; padding: .8rem 1rem .65rem; }
  .brand { gap: .65rem; }
  .brand small { display: none; }
  .mark { width: 2.45rem; height: 2.45rem; border-radius: .72rem; }
  nav { width: 100%; max-width: 100%; padding-inline: 0; overscroll-behavior-inline: contain; }
  nav a { font-size: .86rem; padding: .5rem .62rem; }
  .site-header nav { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .25rem; overflow: visible; }
  .site-header nav a { display: grid; place-items: center; min-height: 2.6rem; text-align: center; white-space: normal; background: rgba(0, 105, 62, .045); }
  .utility-nav { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: .2rem; margin-top: .45rem; }
  .utility-nav span { grid-column: 1 / -1; margin: 0; text-align: center; }
  .utility-nav a { padding: .42rem .18rem; text-align: center; white-space: normal; }
  main, footer { width: min(100% - 1rem, 1160px); }
  .hero, .panel { border-radius: 1rem; }
  .hero { padding: 1.65rem 1.25rem; }
  .panel { padding: 1.25rem; }
  .step { padding-left: 3.75rem; }
  .actions { align-items: stretch; flex-direction: column; }
  .button { width: 100%; }
  .journey-nav { grid-template-columns: 1fr; }
  .journey-nav .journey-spacer { display: none; }
  .journey-nav a:last-child { text-align: left; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}