:root {
  --bg: #fff;
  --paper: #fff;
  --ink: #162c32;
  --muted: #56686c;
  --line: #dce7e7;
  --green: #086a66;
  --accent: #086a66;
  --wash: #edf8f7;
  --button-text: #fff;
  --sky: #e0f3fc;
  --mint: #e4f8ef;
  color-scheme: light;
  font-synthesis: none;
}
:root[data-theme="dark"] {
  --bg: #101718;
  --paper: #182223;
  --ink: #e6efed;
  --muted: #b0c1be;
  --line: #30413f;
  --green: #83dcd0;
  --accent: #83dcd0;
  --wash: #1b302f;
  --button-text: #102926;
  --sky: #172b32;
  --mint: #172e26;
  color-scheme: dark;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #101718;
    --paper: #182223;
    --ink: #e6efed;
    --muted: #b0c1be;
    --line: #30413f;
    --green: #83dcd0;
    --accent: #83dcd0;
    --wash: #1b302f;
    --button-text: #102926;
    --sky: #172b32;
    --mint: #172e26;
    color-scheme: dark;
  }
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(ellipse at 0 0, var(--sky), transparent 48rem),
    radial-gradient(ellipse at 100% 0, var(--mint), transparent 44rem),
    var(--bg);
  font: 16px/1.65 var(--font-ui, sans-serif);
  -webkit-font-smoothing: antialiased;
}
a {
  color: var(--green);
  text-underline-offset: 4px;
}
a:hover {
  text-decoration-thickness: 2px;
}
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 5px;
  border-radius: 4px;
}
.skip-link {
  position: absolute;
  top: -100px;
  left: 16px;
  z-index: 2;
  padding: 12px 20px;
  background: var(--paper);
}
.skip-link:focus {
  top: 12px;
}
.site-header {
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 70%, transparent);
}
.header-inner {
  max-width: 1152px;
  margin: auto;
  padding: 18px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-family: var(--font-brand, sans-serif);
  font-size: 24px;
  font-weight: 600;
  letter-spacing: -0.04em;
  text-decoration: none;
}
.brand-mark {
  width: 14px;
  height: 24px;
  border-radius: 100% 0 0 100%;
  background: linear-gradient(#077ba3, var(--green));
}
.site-header nav {
  display: flex;
  align-items: center;
  gap: 28px;
}
.site-header nav a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
}
.site-header nav a:not(.button) {
  color: var(--muted);
}
.site-header nav a[aria-current="page"],
.site-header nav a:hover {
  color: var(--green);
}
.page-shell {
  max-width: 1152px;
  margin: auto;
  padding: 0 32px 72px;
  outline: none;
}
.page-hero {
  display: grid;
  grid-template-columns: 1.25fr 0.85fr;
  align-items: center;
  gap: 80px;
  padding: 64px 0;
}
.eyebrow {
  margin: 0 0 18px;
  color: var(--green);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
h1,
h2,
h3 {
  color: var(--ink);
  font-family: var(--font-heading, Georgia, serif);
  font-weight: 600;
  letter-spacing: -0.035em;
  text-wrap: balance;
}
h1 {
  max-width: 16ch;
  font-size: clamp(36px, 4.6vw, 58px);
  line-height: 1.08;
  margin: 0;
}
.lead {
  max-width: 52ch;
  margin: 24px 0 0;
  color: var(--muted);
  font-family: var(--font-editorial, Georgia, serif);
  font-size: 20px;
  line-height: 1.65;
  text-wrap: pretty;
}
.actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 24px;
  margin-top: 28px;
}
.button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  padding: 10px 22px;
  border: 1px solid transparent;
  border-radius: 999px;
  color: var(--button-text);
  background: var(--green);
  font-size: 14px;
  font-weight: 500;
  text-align: center;
  text-decoration: none;
}
.button:hover,
.site-header nav .button:hover {
  color: var(--button-text);
  background: color-mix(in srgb, var(--green) 85%, var(--ink));
}
.button-small {
  min-height: 42px;
  padding: 8px 18px;
}
.text-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: 14px;
  font-weight: 500;
}
.hero-photo {
  margin: 0;
}
.hero-photo img {
  display: block;
  width: 100%;
  height: 340px;
  object-fit: cover;
  object-position: center 60%;
  border-radius: 24px;
}
.hero-photo figcaption {
  margin-top: 8px;
  color: var(--muted);
  font-size: 11px;
}
.section-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 36px;
  padding: 36px 0;
  border-top: 1px solid var(--line);
}
.section-grid article {
  min-width: 0;
}
.section-grid h2,
.comparison-grid h2,
.comparison-links h2 {
  margin: 0 0 12px;
  font-size: 22px;
  line-height: 1.3;
}
.section-grid p,
.comparison-grid p,
.comparison-links p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
}
.contact-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-top: 28px;
  padding: 28px 32px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--wash);
}
.contact-band h2 {
  margin: 0;
  font-size: 24px;
  line-height: 1.3;
}
.contact-band p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 14px;
}
.contact-band > .button {
  flex-shrink: 0;
}
.text-hero {
  grid-template-columns: 1fr;
  max-width: 850px;
  gap: 0;
  padding-bottom: 40px;
}
.text-hero h1 {
  max-width: 23ch;
}
.comparison-grid,
.comparison-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}
.comparison-grid article,
.comparison-links > a {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: color-mix(in srgb, var(--paper) 75%, transparent);
}
.comparison-links > a {
  display: block;
  text-decoration: none;
}
.comparison-links > a:hover {
  border-color: var(--green);
  background: var(--wash);
}
.comparison-links h2 {
  color: var(--green);
}
.comparison-grid ul {
  margin: 14px 0 0;
  padding-left: 20px;
  color: var(--muted);
  font-size: 15px;
}
.comparison-grid p + p {
  margin-top: 14px;
}
.comparison-grid li + li {
  margin-top: 6px;
}
.source-note {
  max-width: 85ch;
  margin: 28px 0 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.8;
}
.source-note p {
  margin: 8px 0;
}
.source-note ul {
  padding-left: 20px;
}
.evidence-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.evidence-list li {
  padding: 28px;
  border-top: 1px solid var(--line);
}
.evidence-list h2 {
  margin: 0 0 12px;
  font-size: 23px;
  line-height: 1.3;
}
.evidence-list p {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 15px;
}
.evidence-list a {
  font-size: 13px;
}
@media (max-width: 850px) {
  .page-hero {
    gap: 36px;
    grid-template-columns: 1.15fr 0.85fr;
  }
  .hero-photo img {
    height: 310px;
  }
  .text-hero {
    grid-template-columns: 1fr;
  }
  .section-grid {
    gap: 24px;
  }
}
@media (max-width: 640px) {
  .header-inner {
    padding: 16px 20px;
    flex-wrap: wrap;
    gap: 12px;
  }
  .brand {
    font-size: 22px;
  }
  .site-header nav {
    width: 100%;
    justify-content: space-between;
    gap: 8px;
  }
  .site-header nav a {
    font-size: 12px;
  }
  .button-small {
    padding: 8px 14px;
  }
  .page-shell {
    padding: 0 20px 48px;
  }
  .page-hero {
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 40px 0;
  }
  .lead {
    margin-top: 20px;
    font-size: 16px;
  }
  .hero-photo img {
    height: 220px;
    border-radius: 18px;
  }
  .section-grid,
  .comparison-grid,
  .comparison-links,
  .evidence-list {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .section-grid {
    padding: 28px 0;
  }
  .section-grid article + article {
    padding-top: 24px;
    border-top: 1px solid var(--line);
  }
  .contact-band {
    flex-direction: column;
    align-items: flex-start;
    padding: 24px;
  }
  .contact-band h2 {
    font-size: 22px;
  }
  .comparison-grid article,
  .comparison-links > a,
  .evidence-list li {
    padding: 24px;
  }
}