/* Shared layout for About, Contact, Privacy, and the 404 page. */
:root {
  color-scheme: only light;
  --bg: #F4F1E8;
  --card: #FFFEF9;
  --ink: #1C1B18;
  --ink-soft: #5C594C;
  --ink-faint: #8E8A7A;
  --green: #2F5A22;
  --green-mid: #3D6B2E;
  --green-soft: #EBF2E4;
  --radius-pill: 999px;
  --shell: 760px;
  --gutter: 36px;
  --font-hand: "Caveat", cursive;
}
*, *::before, *::after { box-sizing: border-box; }
html { background: var(--bg); }
body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--green); font-weight: 600; text-decoration: underline; text-underline-offset: 3px; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(244, 241, 232, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 2.5px solid rgba(28, 27, 24, 0.1);
}
.header-inner {
  max-width: 1060px;
  margin: 0 auto;
  padding: 12px var(--gutter);
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 64px;
  min-width: 0;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: -0.03em;
  color: var(--ink);
  text-decoration: none;
  flex: none;
  white-space: nowrap;
}
.logo-mark {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--green);
  display: grid;
  place-items: center;
  border: 2.5px solid var(--ink);
  box-shadow: 2px 3px 0 rgba(28, 27, 24, 0.15);
  overflow: hidden;
  padding: 4px;
}
.logo-mark img { width: 100%; height: 100%; object-fit: contain; display: block; }
.nav {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
  min-width: 0;
  overflow-x: auto;
  scrollbar-width: none;
}
.nav::-webkit-scrollbar { display: none; }
.nav a {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--ink-soft);
  text-decoration: none;
  padding: 9px 12px;
  border-radius: var(--radius-pill);
  white-space: nowrap;
}
.nav a:hover,
.nav a.is-active { color: var(--ink); background: rgba(28, 27, 24, 0.06); }
.nav .nav-cta {
  background: var(--green);
  color: #F5F2E6 !important;
  margin-left: 6px;
  padding: 10px 16px;
  border: 2.5px solid var(--ink);
  box-shadow: 0 3px 0 #1A3A14;
  font-weight: 700;
  text-decoration: none;
}
.nav .nav-cta:hover { background: var(--green-mid); }
.wrap { max-width: var(--shell); margin: 0 auto; padding: 48px var(--gutter) 72px; }
.kicker {
  font-family: var(--font-hand);
  font-size: 1.45rem;
  font-weight: 600;
  color: var(--green-mid);
  margin: 0 0 6px;
}
h1 {
  margin: 0 0 18px;
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.12;
}
h2 {
  margin: 32px 0 10px;
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.3;
}
p { margin: 0 0 14px; }
ul { margin: 0 0 16px; padding-left: 1.2em; }
li { margin-bottom: 6px; }
.updated { color: var(--ink-faint); font-size: 0.9rem; margin-bottom: 18px; }
.btn {
  display: inline-block;
  margin-top: 8px;
  background: var(--green);
  color: #F5F2E6;
  font-weight: 700;
  text-decoration: none;
  padding: 14px 22px;
  border-radius: var(--radius-pill);
  border: 2.5px solid var(--ink);
  box-shadow: 0 3px 0 #1A3A14;
}
.btn:hover { background: var(--green-mid); }
.link-list { list-style: none; padding: 0; display: grid; gap: 10px; }
.link-list a {
  display: block;
  background: var(--card);
  color: var(--ink);
  text-decoration: none;
  border: 2.5px solid var(--ink);
  border-radius: 14px;
  padding: 12px 14px;
  box-shadow: 3px 3px 0 rgba(28, 27, 24, 0.1);
}
.link-list a:hover { background: var(--green-soft); }
.footer {
  border-top: 2.5px solid rgba(28, 27, 24, 0.1);
  padding: 32px var(--gutter) 48px;
  text-align: center;
  max-width: 1060px;
  margin: 0 auto;
}
.foot-name { margin: 0 0 4px; font-weight: 800; font-size: 1.05rem; }
.foot-line { margin: 0 0 14px; color: var(--ink-soft); font-size: 0.9rem; }
.foot-links { display: flex; justify-content: center; gap: 16px 20px; flex-wrap: wrap; }
.foot-links a { font-size: 0.9rem; font-weight: 600; color: var(--ink-soft); text-decoration: none; }
.foot-links a:hover { color: var(--ink); }
.claims { margin: 0 0 8px; padding-left: 1.15em; }
.claims li { margin-bottom: 10px; }
.case-list { display: grid; gap: 14px; margin: 0 0 8px; }
.case {
  background: var(--card);
  border: 2.5px solid var(--ink);
  border-radius: 14px;
  box-shadow: 3px 3px 0 rgba(28, 27, 24, 0.1);
  padding: 16px 16px 14px;
}
.case h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.35;
}
.case p { font-size: 0.95rem; }
.case-viz { display: grid; gap: 12px; margin-top: 4px; }
.dx-board {
  border: 1.5px solid rgba(28, 27, 24, 0.18);
  border-radius: 12px;
  padding: 12px;
  background: var(--bg);
}
.dx-label {
  display: block;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 2px;
}
.dx-symptom,
.dx-result {
  margin: 0;
  font-size: 0.92rem;
}
.dx-result { margin-top: 10px; }
.dx-causes {
  list-style: none;
  margin: 10px 0;
  padding: 0 0 0 12px;
  border-left: 2px solid rgba(28, 27, 24, 0.22);
  display: grid;
  gap: 6px;
}
.dx-causes li {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 8px;
  align-items: baseline;
  margin: 0;
  padding: 6px 8px;
  border-radius: 8px;
  font-size: 0.86rem;
  line-height: 1.35;
}
.dx-causes .is-out {
  color: var(--ink-faint);
  background: rgba(28, 27, 24, 0.04);
}
.dx-causes .is-out .dx-name { text-decoration: line-through; }
.dx-causes .is-in {
  background: var(--green-soft);
  color: var(--ink);
  border: 1.5px solid var(--green);
}
.dx-causes .is-mid {
  background: var(--card);
  color: var(--ink-soft);
  border: 1.5px dashed rgba(28, 27, 24, 0.28);
}
.dx-mark {
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}
.dx-tag { font-size: 0.75rem; color: var(--ink-soft); text-align: right; }
.dx-causes .is-out .dx-tag { color: var(--ink-faint); }
.metric-pair { display: grid; gap: 10px; }
.metric {
  border: 1.5px solid rgba(28, 27, 24, 0.18);
  border-radius: 12px;
  padding: 10px 12px 8px;
  background: var(--card);
}
.metric-name {
  margin: 0 0 8px;
  font-size: 0.86rem;
  font-weight: 800;
}
.bar-row {
  display: grid;
  grid-template-columns: 3.4rem minmax(0, 1fr) auto;
  gap: 8px;
  align-items: center;
  margin-bottom: 6px;
}
.bar-name, .bar-val { font-size: 0.78rem; font-weight: 700; }
.bar-val { color: var(--ink); white-space: nowrap; }
.bar-track {
  position: relative;
  height: 14px;
  background: rgba(28, 27, 24, 0.06);
  border: 1px solid rgba(28, 27, 24, 0.16);
  border-radius: 4px;
}
.bar-fill {
  display: block;
  height: 100%;
  background: var(--ink-soft);
  border-radius: 3px;
}
.bar-band {
  position: absolute;
  top: 2px;
  bottom: 2px;
  border: 1.5px solid var(--green);
  border-radius: 3px;
  background: repeating-linear-gradient(
    -45deg,
    var(--green-soft),
    var(--green-soft) 3px,
    var(--green) 3px,
    var(--green) 4px
  );
}
.bar-bench {
  position: absolute;
  z-index: 1;
  top: -4px;
  bottom: -4px;
  width: 2px;
  margin-left: -1px;
  background: var(--ink);
}
.metric-scale {
  margin: 4px 0 0;
  font-size: 0.75rem;
  line-height: 1.4;
  color: var(--ink-soft);
}
.case-note {
  margin: 4px 0 0;
  color: var(--ink-faint);
  font-size: 0.8rem;
}
@media (min-width: 721px) {
  .metric-pair { grid-template-columns: 1fr 1fr; align-items: start; }
}
@media (max-width: 720px) {
  :root { --gutter: 18px; }
  .nav a:not(.nav-cta) { padding: 8px 8px; font-size: 0.8rem; }
  .wrap { padding-top: 32px; }
  .dx-causes li { grid-template-columns: 1fr auto; }
  .dx-causes .dx-name { grid-column: 1 / -1; }
  .bar-row { grid-template-columns: 3.2rem minmax(0, 1fr); }
  .bar-val { grid-column: 2; }
}