:root {
  --bg: #f7f9fb;
  --surface: #ffffff;
  --surface-alt: #eef4f7;
  --text: #18242c;
  --muted: #52636f;
  --line: #d7e1e7;
  --accent: #0f6b78;
  --accent-dark: #084a54;
  --notice: #fff7df;
  --notice-line: #e4c46a;
  --max: 1120px;
  --radius: 8px;
  --shadow: 0 10px 28px rgba(24, 36, 44, .08);
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  font-size: 100%;
}

body {
  margin: 0;
  color: var(--text);
  background: var(--bg);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 1.15rem;
  line-height: 1.7;
}

img, svg, canvas { max-width: 100%; }
a { color: var(--accent-dark); }
a:hover { color: #063841; }
a:focus-visible, button:focus-visible {
  outline: 3px solid #f2c94c;
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -5rem;
  z-index: 100;
  padding: .75rem 1rem;
  color: #fff;
  background: var(--accent-dark);
}
.skip-link:focus { top: 1rem; }

.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}

.nav {
  max-width: var(--max);
  margin: 0 auto;
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: .7rem;
  color: var(--text);
  text-decoration: none;
  font-weight: 800;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 2.6rem;
  height: 2.6rem;
  border-radius: 50%;
  color: #fff;
  background: var(--accent);
}

.brand small {
  display: block;
  color: var(--muted);
  font-size: .82rem;
  font-weight: 600;
}

.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: .55rem .75rem;
  color: var(--text);
  background: var(--surface);
  font: inherit;
  font-weight: 700;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: .25rem;
  flex-wrap: wrap;
}

.nav-links a {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  padding: .45rem .75rem;
  border-radius: var(--radius);
  color: var(--text);
  text-decoration: none;
  font-size: .96rem;
}

.nav-links a.nav-secondary {
  color: var(--muted);
  font-size: .9rem;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  background: var(--surface-alt);
  color: var(--accent-dark);
}

main {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 1.25rem;
}

.hero {
  padding: 4.5rem 0 3rem;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(18rem, .85fr);
  gap: 2rem;
  align-items: center;
}

.hero-panel,
.callout,
.card,
.info-box,
.table-wrap,
.chart-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.hero-panel {
  padding: 1.5rem;
  box-shadow: var(--shadow);
}

.eyebrow {
  margin: 0 0 .7rem;
  color: var(--accent-dark);
  font-size: .84rem;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}

h1, h2, h3 {
  margin: 0;
  line-height: 1.2;
}

h1 {
  max-width: 17ch;
  font-size: clamp(2.5rem, 7vw, 4.8rem);
}

h2 {
  margin-bottom: 1rem;
  font-size: clamp(1.7rem, 4vw, 2.5rem);
}

h3 { font-size: 1.25rem; }
p { color: var(--muted); }
p, li { max-width: 74ch; }
.lead {
  max-width: 62rem;
  color: #344650;
  font-size: clamp(1.18rem, 2.4vw, 1.45rem);
}

.key-points {
  margin: 1.25rem 0 0;
  padding-left: 1.25rem;
  color: #344650;
}

.key-points li {
  margin: .45rem 0;
}

.actions {
  display: flex;
  gap: .85rem;
  flex-wrap: wrap;
  margin-top: 1.5rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.25rem;
  padding: .8rem 1.15rem;
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  color: #fff;
  background: var(--accent);
  text-decoration: none;
  font-weight: 800;
  line-height: 1.25;
  text-align: center;
}

.button.secondary {
  color: var(--accent-dark);
  background: var(--surface);
}

.button:hover {
  color: #fff;
  background: var(--accent-dark);
}

.button.secondary:hover {
  color: #fff;
  background: var(--accent-dark);
}

.section { padding: 3rem 0; }
.section.compact { padding-top: 1rem; }

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

.grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.card, .info-box, .callout, .chart-card {
  padding: 1.25rem;
}

.card h3, .info-box h3 { margin-bottom: .45rem; }
.info-box h2 {
  margin-bottom: .45rem;
  font-size: clamp(1.45rem, 3vw, 2rem);
}
.card p:last-child, .info-box p:last-child { margin-bottom: 0; }

.info-box {
  border-left: 5px solid var(--accent);
}

.notice {
  border-color: var(--notice-line);
  background: var(--notice);
}

.contact-box {
  border-left-color: var(--accent-dark);
}

.print-note {
  margin-top: 1.5rem;
}

.checklist {
  padding-left: 0;
  list-style: none;
}

.checklist li {
  position: relative;
  margin: .7rem 0;
  padding-left: 2rem;
}

.checklist li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--accent-dark);
  font-weight: 900;
}

.measurement-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th, td {
  padding: .85rem;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  color: var(--text);
  background: var(--surface-alt);
}

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

.chart-card canvas {
  width: 100%;
  height: 280px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.data-note {
  display: inline-block;
  margin: 0 0 1rem;
  padding: .4rem .65rem;
  border: 1px solid var(--notice-line);
  border-radius: var(--radius);
  background: var(--notice);
  color: #4f3d00;
  font-weight: 700;
}

.meta-list {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: .45rem 1rem;
}

.meta-list.wide {
  max-width: 54rem;
  gap: .7rem 1.25rem;
}

.meta-list dt {
  color: var(--text);
  font-weight: 800;
}

.meta-list dd { margin: 0; color: var(--muted); }

.site-footer {
  margin-top: 3rem;
  border-top: 1px solid var(--line);
  background: var(--surface);
}

.footer-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 2rem 1.25rem;
}

.footer-links {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer-links a {
  min-height: 2.5rem;
  display: inline-flex;
  align-items: center;
}

@media (max-width: 900px) {
  .nav {
    align-items: flex-start;
    flex-wrap: wrap;
  }
  .nav-toggle { display: inline-flex; }
  .nav-links {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
  }
  .nav-links.is-open { display: flex; }
  .nav-links a { width: 100%; }
  h1 { font-size: clamp(2.15rem, 12vw, 3.4rem); }
  .hero,
  .grid.two,
  .grid.three,
  .measurement-list,
  .chart-grid {
    grid-template-columns: 1fr;
  }
}

@media print {
  .skip-link, .site-header, .actions, .site-footer, .hero-panel { display: none; }
  body { background: #fff; color: #000; font-size: 12pt; line-height: 1.45; }
  main { max-width: none; padding: 0; }
  h1 { max-width: none; font-size: 24pt; }
  h2 { font-size: 16pt; margin: .5rem 0; }
  h3 { font-size: 13pt; }
  p, li { color: #000; max-width: none; }
  .section, .hero { padding: .45rem 0; }
  .grid.two, .grid.three, .measurement-list, .chart-grid {
    grid-template-columns: 1fr;
  }
  .checklist li {
    margin: .35rem 0;
    padding-left: 1.4rem;
  }
  .card, .info-box, .table-wrap, .chart-card {
    box-shadow: none;
    border-color: #999;
    break-inside: avoid;
  }
  .card, .info-box, .callout, .chart-card {
    padding: .7rem;
  }
  a { color: #000; text-decoration: underline; }
}