:root {
  color-scheme: light;
  --ink: #17202a;
  --muted: #56616f;
  --line: #d8dee6;
  --paper: #fbfcfd;
  --band: #eef3f6;
  --accent: #0f6b63;
  --accent-strong: #0a4f49;
  --warm: #b66a2c;
  --code: #101820;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

main {
  overflow: hidden;
}

.hero {
  min-height: 86svh;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
  align-items: center;
  gap: clamp(32px, 6vw, 88px);
  padding: clamp(32px, 6vw, 88px);
  border-bottom: 1px solid var(--line);
}

.hero-copy {
  max-width: 620px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0;
  line-height: 1.02;
  letter-spacing: 0;
}

h1 {
  font-size: clamp(3rem, 8vw, 6.5rem);
  max-width: 7ch;
}

h2 {
  font-size: clamp(2rem, 4vw, 4rem);
}

.lede {
  max-width: 520px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: clamp(1.15rem, 2vw, 1.45rem);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid var(--line);
  color: var(--ink);
  text-decoration: none;
  font-weight: 750;
  transition: background-color 160ms ease, border-color 160ms ease, color 160ms ease;
}

.button:hover,
.button:focus-visible {
  border-color: var(--accent);
  color: var(--accent-strong);
}

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

.button.primary:hover,
.button.primary:focus-visible {
  background: var(--accent-strong);
  color: #fff;
}

.flow {
  width: min(100%, 760px);
  justify-self: end;
}

.band,
.split {
  padding: clamp(44px, 7vw, 96px) clamp(24px, 6vw, 88px);
}

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

.compact {
  padding-bottom: clamp(64px, 8vw, 112px);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 30px;
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
}

.steps li {
  min-height: 168px;
  padding: 22px;
  background: var(--paper);
  color: var(--muted);
}

.steps li::before {
  content: counter(list-item, decimal-leading-zero);
  display: block;
  margin-bottom: 24px;
  color: var(--warm);
  font-weight: 850;
}

.steps.single {
  grid-template-columns: 1fr;
}

.steps.single li {
  min-height: 96px;
}

.split {
  display: grid;
  grid-template-columns: minmax(240px, 0.75fr) minmax(0, 1.25fr);
  gap: clamp(28px, 6vw, 80px);
  align-items: start;
  border-bottom: 1px solid var(--line);
}

.split p,
.compact p {
  max-width: 720px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 1.04rem;
}

.cert-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.cert-grid > div {
  min-width: 0;
  background: var(--paper);
  padding: 22px;
}

h3 {
  margin: 0;
  font-size: 1.1rem;
  letter-spacing: 0;
}

.cert-grid p {
  margin: 14px 0 0;
  color: var(--muted);
}

.cert-grid pre {
  margin-top: 18px;
}

.example-stack {
  display: grid;
  gap: 18px;
  min-width: 0;
}

pre {
  margin: 0;
  overflow-x: auto;
  background: var(--code);
  color: #eff7f4;
  border-left: 6px solid var(--accent);
  padding: 24px;
}

code {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.94em;
}

.endpoint-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.endpoint-list code {
  display: block;
  min-height: 64px;
  padding: 18px;
  overflow-wrap: anywhere;
  background: var(--paper);
  color: var(--ink);
}

@media (max-width: 860px) {
  .hero,
  .split {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .flow {
    justify-self: start;
  }

  .steps,
  .endpoint-list,
  .cert-grid {
    grid-template-columns: 1fr;
  }
}