:root {
  color-scheme: light;
  --ink: #172019;
  --muted: #59635b;
  --paper: #f4f2e9;
  --panel: #fffdf5;
  --line: #d8d5c8;
  --accent: #1f6747;
  --accent-dark: #174c36;
  --warm: #d97842;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  background: var(--paper);
  color: var(--ink);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 85% 5%, rgb(217 120 66 / 14%), transparent 28rem),
    var(--paper);
  line-height: 1.6;
}

a {
  color: inherit;
  text-underline-offset: 0.2em;
}

a:focus-visible {
  outline: 3px solid var(--warm);
  outline-offset: 4px;
  border-radius: 0.2rem;
}

.shell {
  width: min(1120px, calc(100% - 2rem));
  margin-inline: auto;
}

.nav {
  min-height: 5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.nav nav {
  display: flex;
  gap: 1.5rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-weight: 750;
  text-decoration: none;
}

.mark {
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border: 1px solid var(--ink);
  border-radius: 0.45rem;
  background: var(--ink);
  color: var(--paper);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
}

.hero {
  padding-block: clamp(5rem, 11vw, 9rem);
}

.eyebrow {
  margin: 0 0 1rem;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 750;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  text-wrap: pretty;
}

h1,
h2 {
  font-family: Georgia, "Times New Roman", serif;
  line-height: 1.04;
  letter-spacing: -0.035em;
}

h1 {
  max-width: 16ch;
  margin: 0;
  font-size: clamp(3.25rem, 8vw, 7rem);
  font-weight: 500;
}

h2 {
  margin: 0 0 1rem;
  font-size: clamp(2.1rem, 5vw, 4rem);
  font-weight: 500;
}

.lede {
  max-width: 64ch;
  margin: 2rem 0 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.3rem);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  min-height: 2.85rem;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 1rem;
  border: 1px solid var(--ink);
  border-radius: 0.45rem;
  background: transparent;
  font-weight: 700;
  text-decoration: none;
}

.button:hover {
  background: rgb(23 32 25 / 6%);
}

.button.primary {
  border-color: var(--accent);
  background: var(--accent);
  color: white;
}

.button.primary:hover {
  background: var(--accent-dark);
}

.support {
  margin-top: 1rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.proof {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.4fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: center;
  padding-block: 5rem;
  border-block: 1px solid var(--line);
}

.proof-copy > p:not(.eyebrow) {
  color: var(--muted);
}

pre {
  overflow-x: auto;
  margin: 2rem 0 0;
  padding: 1.1rem 1.25rem;
  border-radius: 0.6rem;
  background: var(--ink);
  color: #f8f7f1;
  font-size: 0.92rem;
}

figure {
  margin: 0;
}

figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid #bbb8ab;
  border-radius: 0.8rem;
  background: white;
  box-shadow: 0 1.5rem 4rem rgb(23 32 25 / 15%);
}

figcaption {
  margin-top: 0.7rem;
  color: var(--muted);
  font-size: 0.85rem;
  text-align: center;
}

.principles {
  padding-block: 6rem;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 2.5rem;
}

.cards article {
  padding: 1.5rem;
  border: 1px solid var(--line);
  border-radius: 0.65rem;
  background: rgb(255 253 245 / 65%);
}

.cards h3 {
  margin-top: 0;
  font-size: 1.05rem;
}

.cards p {
  margin-bottom: 0;
  color: var(--muted);
}

.closing {
  margin-bottom: 5rem;
  padding: clamp(2rem, 6vw, 4rem);
  border-radius: 0.8rem;
  background: var(--panel);
  box-shadow: inset 0 0 0 1px var(--line);
}

.closing p {
  max-width: 58ch;
  margin-bottom: 1.5rem;
  color: var(--muted);
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 2rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
}

@media (max-width: 760px) {
  .proof,
  .cards {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-block: 4rem 5rem;
  }

  .proof {
    padding-block: 4rem;
  }
}

@media (max-width: 480px) {
  .nav {
    align-items: flex-start;
    padding-block: 1.25rem;
  }

  .nav nav {
    flex-direction: column;
    gap: 0.35rem;
    text-align: right;
  }

  h1 {
    font-size: clamp(2.75rem, 15vw, 4rem);
  }

  footer {
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}