:root {
  color-scheme: light;
  --paper: #f7f4ed;
  --ink: #163e30;
  --muted: #57665a;
  --line: #d7d9cb;
  --accent: #d7ad63;
  font-family:
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  color: var(--ink);
  background: var(--paper);
  font-synthesis: none;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
}
a {
  color: inherit;
  text-underline-offset: 0.2em;
}
a:hover {
  text-decoration-thickness: 2px;
}
a:focus-visible {
  outline: 3px solid #a46624;
  outline-offset: 5px;
}
p {
  line-height: 1.7;
}
h1,
h2,
.wordmark,
.footer-name {
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
}
h1,
h2,
p,
figure {
  margin-top: 0;
}
h1 {
  font-size: clamp(3.25rem, 6.8vw, 6.6rem);
  line-height: 1.04;
  letter-spacing: -0.055em;
  margin-bottom: 28px;
}
h2 {
  font-size: 2rem;
  line-height: 1.18;
  letter-spacing: -0.025em;
}
.site-header,
main,
footer {
  max-width: 1200px;
  margin: auto;
}
.site-header {
  padding: 28px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-bottom: 1px solid var(--line);
}
.wordmark {
  font-size: 1.8rem;
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}
.wordmark img {
  border-radius: 11px;
}
.site-header nav {
  display: flex;
  gap: 28px;
  font-size: 0.9rem;
}
.site-header nav a {
  text-decoration: none;
  padding: 12px 0;
}
.site-header nav a[aria-current] {
  text-decoration: underline;
}
.hero {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 60px;
  padding: 60px 64px 72px 40px;
  align-items: center;
}
.hero-copy {
  padding: 20px 0;
}
.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.73rem;
  font-weight: 600;
  margin-bottom: 26px;
  color: var(--muted);
}
.intro {
  font-size: 1.12rem;
  color: var(--muted);
  max-width: 490px;
  line-height: 1.8;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  background: var(--ink);
  color: var(--paper);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  padding: 18px 23px;
  border-radius: 5px;
  min-height: 48px;
  margin: 14px 0 4px;
}
.button:hover {
  background: #245540;
}
.small,
.muted {
  font-size: 0.81rem;
  color: var(--muted);
}
.small {
  margin-top: 18px;
}
.app-preview {
  width: 100%;
  max-width: 324px;
  margin: 0 auto;
  position: relative;
}
.app-preview img {
  display: block;
  width: 100%;
  height: auto;
  border: 7px solid #203c30;
  border-radius: 32px;
  box-shadow: 0 28px 55px -25px #12322066;
}
.app-preview figcaption {
  font-size: 0.65rem;
  text-align: center;
  color: var(--muted);
  line-height: 1.5;
  margin-top: 17px;
}
.features {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 46px 40px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 46px;
}
.features h2 {
  font-size: 1.75rem;
  max-width: 250px;
}
.features p {
  font-size: 0.92rem;
  margin-bottom: 0;
  color: var(--muted);
}
.number {
  display: block;
  color: #8a602b;
  font-size: 0.72rem;
  margin-bottom: 25px;
  letter-spacing: 0.1em;
}
.testing {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 75px;
  padding: 76px 40px;
}
.testing h2 {
  font-size: 2.8rem;
}
.testing > div + div {
  padding-top: 7px;
  color: var(--muted);
}
.text-link {
  display: inline-block;
  color: var(--ink);
  font-weight: 600;
  padding: 10px 0;
}
.attribution {
  padding: 30px 40px 44px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  max-width: 100%;
}
.attribution h2 {
  font-size: 1.25rem;
}
.attribution p {
  font-size: 0.8rem;
  max-width: 760px;
  margin-bottom: 0;
}
footer {
  padding: 35px 40px 50px;
  border-top: 1px solid var(--line);
  display: flex;
  align-items: center;
  gap: 22px;
}
.footer-name {
  font-size: 1.5rem;
  text-decoration: none;
}
footer p {
  font-size: 0.8rem;
  color: var(--muted);
  margin: 0;
}
footer > div {
  margin-left: auto;
  display: flex;
  gap: 24px;
  font-size: 0.8rem;
}
.prose {
  max-width: 780px;
  margin: auto;
  padding: 60px 40px 80px;
}
.prose h1 {
  font-size: clamp(2.8rem, 6vw, 4rem);
  overflow-wrap: anywhere;
}
.prose h2 {
  margin-top: 38px;
  font-size: 1.7rem;
}
.prose h3 {
  margin-top: 32px;
}
.prose p,
.prose li {
  line-height: 1.85;
  color: #364c3f;
}
.prose a {
  overflow-wrap: anywhere;
}
.prose li {
  margin-bottom: 12px;
}
.notice {
  background: #e9e6d9;
  border-left: 3px solid #9c6d31;
  padding: 18px;
}
.preview {
  padding: 11px 24px;
  text-align: center;
  font-size: 0.76rem;
  background: #eee1bd;
  color: #583e19;
}
.skip {
  position: absolute;
  top: -100px;
  left: 16px;
  background: var(--paper);
  padding: 14px;
  z-index: 10;
}
.skip:focus {
  top: 10px;
}
@media (max-width: 800px) {
  .site-header {
    padding: 20px 24px;
  }
  .hero {
    padding: 40px 24px 48px;
    gap: 32px;
    grid-template-columns: 1fr 1fr;
  }
  .features {
    padding: 35px 24px;
    gap: 24px;
  }
  .features h2 {
    font-size: 1.5rem;
  }
  .testing {
    padding: 50px 24px;
    gap: 35px;
  }
  .testing h2 {
    font-size: 2.25rem;
  }
  .attribution,
  footer {
    padding-left: 24px;
    padding-right: 24px;
  }
  .wordmark {
    font-size: 1.5rem;
  }
  .site-header nav {
    gap: 18px;
  }
  .button {
    gap: 12px;
    padding: 16px;
    font-size: 0.82rem;
  }
}
@media (max-width: 580px) {
  .site-header {
    padding: 17px 20px;
    gap: 12px;
  }
  .wordmark {
    font-size: 1.4rem;
    gap: 8px;
  }
  .wordmark img {
    width: 32px;
    height: 32px;
  }
  .site-header nav {
    gap: 14px;
    font-size: 0.78rem;
  }
  .hero {
    grid-template-columns: 1fr;
    padding: 34px 24px 42px;
    gap: 28px;
  }
  .hero h1 {
    font-size: 3.9rem;
  }
  .hero-copy {
    padding: 0;
  }
  .eyebrow {
    font-size: 0.65rem;
    margin-bottom: 23px;
  }
  .intro {
    font-size: 1rem;
  }
  .app-preview {
    max-width: 290px;
  }
  .features {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .features article {
    display: grid;
    grid-template-columns: 24px 1fr;
    column-gap: 16px;
  }
  .number {
    grid-row: 1/3;
    margin-top: 5px;
  }
  .features h2 {
    max-width: none;
    margin-bottom: 12px;
    font-size: 1.65rem;
  }
  .features p {
    grid-column: 2;
  }
  .testing {
    grid-template-columns: 1fr;
    gap: 6px;
    padding-top: 45px;
    padding-bottom: 45px;
  }
  .testing h2 br {
    display: none;
  }
  .testing h2 {
    font-size: 2.2rem;
  }
  .prose {
    padding: 38px 24px 60px;
  }
  .prose h1 {
    font-size: 2.9rem;
  }
  .prose ul {
    padding-left: 22px;
  }
  footer {
    flex-wrap: wrap;
    gap: 10px 20px;
  }
  footer > div {
    width: 100%;
    margin: 12px 0 0;
  }
  .preview {
    font-size: 0.7rem;
    padding: 10px 18px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}