:root {
  --ink: #142225;
  --muted: #59686d;
  --paper: #f4f1ea;
  --panel: #ffffff;
  --teal: #0b6f72;
  --deep: #12343b;
  --gold: #d79a32;
  --red: #b42318;
  --green: #4c7a55;
  --line: rgba(20, 34, 37, 0.14);
  --shadow: 0 18px 50px rgba(18, 52, 59, 0.12);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.55;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 14px clamp(18px, 4vw, 54px);
  background: rgba(244, 241, 234, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  color: #ffffff;
  background: linear-gradient(135deg, var(--teal), var(--deep));
  font-weight: 950;
}

.brand strong,
.brand small {
  display: block;
}

.brand small {
  color: var(--muted);
  font-size: 0.78rem;
}

.top-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.top-nav a {
  padding: 8px 10px;
  color: var(--muted);
  text-decoration: none;
}

.top-nav a:hover {
  color: var(--ink);
}

.hero {
  min-height: 72vh;
  display: grid;
  align-items: end;
  background:
    linear-gradient(90deg, rgba(18, 52, 59, 0.96), rgba(18, 52, 59, 0.82) 48%, rgba(18, 52, 59, 0.42)),
    url("https://images.unsplash.com/photo-1576091160399-112ba8d25d1d?auto=format&fit=crop&w=1800&q=80");
  background-size: cover;
  background-position: center;
}

.hero-copy {
  width: min(950px, 100%);
  padding: clamp(80px, 12vw, 150px) clamp(20px, 6vw, 72px) clamp(42px, 8vw, 92px);
  color: #ffffff;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--teal);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0;
  font-size: 0.78rem;
}

.hero .eyebrow,
.safety-band .eyebrow {
  color: #9ce4df;
}

h1,
h2,
h3 {
  margin-top: 0;
  line-height: 1.08;
  letter-spacing: 0;
  overflow-wrap: break-word;
}

h1 {
  max-width: 900px;
  margin-bottom: 18px;
  font-size: clamp(2.8rem, 7vw, 5.9rem);
}

h2 {
  font-size: clamp(2rem, 4vw, 3.1rem);
}

h3 {
  font-size: 1.15rem;
}

.lede {
  max-width: 780px;
  color: rgba(255, 255, 255, 0.86);
  font-size: clamp(1.04rem, 2vw, 1.24rem);
}

.co-brand {
  margin: -4px 0 16px;
  color: #f5c46e;
  font-weight: 850;
}

.hero-actions,
.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 11px 16px;
  border-radius: 6px;
  border: 1px solid transparent;
  font-weight: 850;
  text-decoration: none;
}

.button.primary {
  color: #1d1607;
  background: var(--gold);
}

.button.secondary {
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.34);
  background: rgba(255, 255, 255, 0.1);
}

.safety-band {
  display: grid;
  grid-template-columns: minmax(260px, 0.72fr) 1.28fr;
  gap: 24px;
  padding: 54px clamp(18px, 4vw, 54px);
  color: #ffffff;
  background: #173942;
}

.caveat-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.caveat-grid article {
  padding: 20px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
}

.caveat-grid p,
.safety-band p {
  color: rgba(255, 255, 255, 0.78);
}

.section {
  width: min(1240px, calc(100% - 36px));
  margin: 0 auto;
  padding: 72px 0;
}

.section-heading {
  max-width: 850px;
  margin-bottom: 28px;
}

.section-heading p:not(.eyebrow) {
  color: var(--muted);
  font-size: 1.05rem;
}

.toolbar {
  position: sticky;
  top: 71px;
  z-index: 5;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 10px 32px rgba(18, 52, 59, 0.08);
  backdrop-filter: blur(12px);
}

.body-map-panel {
  display: grid;
  grid-template-columns: minmax(240px, 0.55fr) minmax(320px, 1fr);
  gap: 18px;
  align-items: start;
  margin-bottom: 18px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: 0 10px 28px rgba(18, 52, 59, 0.06);
}

.body-map-panel p {
  color: var(--muted);
}

.body-map {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(132px, 1fr));
  gap: 10px;
  min-height: 0;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fbfa;
}

.body-zone {
  display: grid;
  place-items: center;
  min-width: 0;
  min-height: 50px;
  width: 100%;
  padding: 8px 10px;
  border: 1px solid rgba(11, 111, 114, 0.24);
  border-radius: 8px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 8px 20px rgba(18, 52, 59, 0.08);
  cursor: pointer;
  font: inherit;
  font-size: 0.86rem;
  font-weight: 850;
  line-height: 1.12;
  text-align: center;
}

.body-zone:hover,
.body-zone:focus-visible {
  outline: 3px solid rgba(215, 154, 50, 0.38);
  background: #fff8eb;
}

.body-zone.reset {
  background: var(--deep);
  color: #ffffff;
}

.search-box,
.filter-box {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 850;
  text-transform: uppercase;
}

.search-box {
  flex: 1 1 380px;
}

.filter-box {
  flex: 0 1 250px;
}

input,
select {
  width: 100%;
  min-height: 46px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px 12px;
  color: var(--ink);
  background: #ffffff;
  font: inherit;
}

.reset-filters {
  align-self: end;
  min-height: 46px;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--deep);
  background: #ffffff;
  font: inherit;
  font-weight: 850;
  cursor: pointer;
}

.reset-filters:hover {
  border-color: rgba(11, 111, 114, 0.5);
  color: var(--teal);
}

.stats {
  margin: 18px 0;
  color: var(--muted);
  font-weight: 750;
}

.condition-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.condition-card {
  display: grid;
  gap: 14px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: 0 10px 28px rgba(18, 52, 59, 0.06);
}

.card-top {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: start;
}

.tag {
  display: inline-flex;
  padding: 5px 8px;
  border-radius: 6px;
  color: #245b33;
  background: #eef6ef;
  font-size: 0.78rem;
  font-weight: 850;
  line-height: 1.25;
  white-space: normal;
  overflow-wrap: anywhere;
}

.tag-stack {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 6px;
}

.tag.course {
  color: #6b4a12;
  background: #fff7eb;
}

.tag.body {
  color: #334e68;
  background: #edf4fb;
}

.tag.pattern {
  color: #5e4630;
  background: #f5f0e8;
}

.tag.age {
  color: #5c3b6d;
  background: #f5eef8;
}

.condition-card p {
  margin: 0;
  color: var(--muted);
}

.condition-card dl {
  display: grid;
  gap: 10px;
  margin: 0;
}

.condition-card dt {
  color: var(--ink);
  font-weight: 900;
}

.condition-card dd {
  margin: 3px 0 0;
  color: var(--muted);
}

.warning {
  padding: 12px 14px;
  border-left: 5px solid var(--red);
  background: #fff3ef;
  color: #6f1d16;
}

.patient-note {
  padding: 12px 14px;
  border-left: 5px solid var(--teal);
  background: #edf7f6;
}

.age-note {
  padding: 12px 14px;
  border-left: 5px solid var(--green);
  background: #f0f6ef;
}

.doctor-note {
  padding: 12px 14px;
  border-left: 5px solid var(--gold);
  background: #fff8eb;
}

.links-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.links-row a,
.reference-grid a {
  color: var(--teal);
  font-weight: 850;
}

.reference-section {
  border-top: 1px solid var(--line);
}

.risk-section {
  width: 100%;
  padding-inline: max(18px, calc((100% - 1240px) / 2));
  background: #e8f2f1;
}

.risk-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
}

.risk-grid article {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: 0 10px 28px rgba(18, 52, 59, 0.06);
}

.risk-grid p {
  color: var(--muted);
}

.story-section {
  border-top: 1px solid var(--line);
}

.story-card {
  max-width: 920px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: 0 10px 28px rgba(18, 52, 59, 0.06);
}

.story-card p {
  color: var(--muted);
}

.hospital-section {
  width: 100%;
  padding-inline: max(18px, calc((100% - 1240px) / 2));
  background: #f8f3e9;
}

.hospital-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.hospital-grid article {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: 0 10px 28px rgba(18, 52, 59, 0.06);
}

.hospital-grid p {
  color: var(--muted);
}

.reference-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.reference-grid a {
  min-height: 88px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  text-decoration: none;
}

.footer {
  padding: 34px clamp(18px, 4vw, 54px);
  color: #ffffff;
  background: var(--deep);
}

.footer p {
  margin: 6px 0 0;
  color: rgba(255, 255, 255, 0.72);
}

@media (max-width: 980px) {
  .safety-band,
  .caveat-grid,
  .body-map-panel,
  .condition-grid,
  .risk-grid,
  .hospital-grid,
  .reference-grid {
    grid-template-columns: 1fr;
  }

  .site-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 7px;
    padding: 9px 12px;
  }

  .top-nav {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, max-content));
    justify-content: flex-start;
    gap: 3px 8px;
    width: 100%;
    overflow: visible;
    padding-bottom: 0;
  }

  .top-nav a {
    padding: 3px 0;
    font-size: 0.76rem;
    line-height: 1.1;
    white-space: nowrap;
  }

  .top-nav .nav-primary {
    order: 1;
  }

  .top-nav .nav-secondary {
    order: 2;
    color: rgba(89, 104, 109, 0.86);
    font-size: 0.68rem;
  }
}

@media (max-width: 640px) {
  .brand {
    gap: 9px;
  }

  .brand-mark {
    width: 34px;
    height: 34px;
  }

  .brand small {
    font-size: 0.68rem;
    line-height: 1.12;
  }

  .top-nav {
    grid-template-columns: repeat(4, minmax(0, max-content));
    gap: 2px 7px;
  }

  .top-nav a {
    font-size: 0.72rem;
  }

  .top-nav .nav-secondary {
    font-size: 0.64rem;
  }

  h1 {
    font-size: clamp(2.35rem, 12vw, 4rem);
  }

  .toolbar {
    position: static;
  }

  .body-map {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    padding: 10px;
  }

  .condition-card {
    padding: 18px;
  }

  .card-top {
    display: grid;
  }
}