:root {
  color-scheme: light;
  --ink: #171717;
  --muted: #5a5f66;
  --line: #d7dce2;
  --paper: #ffffff;
  --wash: #f5f7fa;
  --mint: #0f766e;
  --red: #b42318;
  --gold: #a16207;
  --terminal: #151719;
}

* {
  box-sizing: border-box;
}

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

a {
  color: inherit;
}

p code,
li code {
  border: 1px solid var(--line);
  padding: 2px 5px;
  background: #edf1f5;
  color: var(--ink);
  font: 0.95em ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 64px;
  padding: 0 28px;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(14px);
}

.brand,
.site-header nav,
.site-footer {
  display: flex;
  align-items: center;
  gap: 16px;
}

.brand {
  font-weight: 700;
  text-decoration: none;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 30px;
  border: 2px solid var(--ink);
  color: var(--mint);
  font-size: 0.85rem;
}

.site-header nav a,
.site-footer a {
  color: var(--muted);
  font-size: 0.95rem;
  text-decoration: none;
}

.site-header nav a:hover,
.site-footer a:hover {
  color: var(--ink);
}

main {
  overflow: hidden;
}

.intro-band,
.split-band,
.flow-band,
.links-band,
.roadmap-band {
  width: 100%;
  padding: 72px clamp(20px, 5vw, 76px);
}

.intro-band {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(360px, 1.05fr);
  align-items: center;
  gap: 48px;
  min-height: calc(100vh - 64px);
  background: var(--paper);
}

.intro-copy,
.split-band > div {
  max-width: 720px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--mint);
  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 {
  max-width: 780px;
  font-size: 5rem;
}

h2 {
  max-width: 860px;
  font-size: 3.4rem;
}

.lead,
.split-band p,
.roadmap,
.check-list {
  color: var(--muted);
  font-size: 1.08rem;
}

.lead {
  max-width: 720px;
  margin: 24px 0;
}

.command-card {
  position: relative;
  margin-top: 28px;
  border: 1px solid #262a2e;
  background: var(--terminal);
  color: #f1f5f4;
  box-shadow: 0 18px 40px rgba(23, 23, 23, 0.12);
}

.command-label {
  border-bottom: 1px solid #30353a;
  padding: 10px 14px;
  color: #94d7ca;
  font-size: 0.82rem;
  font-weight: 700;
}

pre {
  margin: 0;
  overflow-x: auto;
  padding: 18px 56px 18px 18px;
  font: 0.94rem/1.55 ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
}

.copy-button {
  position: absolute;
  right: 10px;
  bottom: 10px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 34px;
  border: 1px solid #56606b;
  background: #202428;
  color: #f1f5f4;
  cursor: pointer;
}

.copy-button svg {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
}

.copy-button.copied {
  border-color: #94d7ca;
  color: #94d7ca;
}

.screenshot {
  margin: 0;
}

.screenshot img,
.flow-image {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  background: var(--paper);
  box-shadow: 0 22px 50px rgba(23, 23, 23, 0.12);
}

.flow-band {
  background: #edf1f5;
}

.section-heading {
  max-width: 920px;
  margin-bottom: 34px;
}

.flow-image {
  max-width: 1120px;
}

.split-band {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(360px, 1.1fr);
  align-items: center;
  gap: 52px;
  background: var(--paper);
}

.split-band.alternate {
  grid-template-columns: minmax(360px, 1.1fr) minmax(0, 0.9fr);
  background: var(--wash);
}

.check-list {
  margin: 22px 0 0;
  padding-left: 20px;
}

.links-band {
  background: var(--paper);
}

.link-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.link-grid a {
  min-height: 72px;
  border: 1px solid var(--line);
  padding: 18px;
  background: #fafafa;
  color: var(--ink);
  font-weight: 700;
  text-decoration: none;
}

.link-grid a:hover {
  border-color: var(--mint);
  color: var(--mint);
}

.roadmap-band {
  background: #f0f4f2;
}

.roadmap {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.roadmap li {
  border-left: 4px solid var(--mint);
  background: var(--paper);
  padding: 20px;
}

.roadmap li:nth-child(2) {
  border-color: var(--gold);
}

.roadmap li:nth-child(3) {
  border-color: var(--red);
}

.site-footer {
  justify-content: center;
  flex-wrap: wrap;
  padding: 26px;
  border-top: 1px solid var(--line);
  background: var(--paper);
  color: var(--muted);
}

@media (max-width: 900px) {
  .site-header {
    position: static;
    align-items: flex-start;
    flex-direction: column;
    padding: 16px 20px;
  }

  .site-header nav {
    flex-wrap: wrap;
  }

  .intro-band,
  .split-band,
  .split-band.alternate,
  .roadmap {
    grid-template-columns: 1fr;
  }

  .intro-band {
    min-height: auto;
  }

  h1 {
    font-size: 4rem;
  }

  h2 {
    font-size: 2.6rem;
  }

  .alternate .screenshot {
    order: 2;
  }

  .link-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .intro-band,
  .split-band,
  .flow-band,
  .links-band,
  .roadmap-band {
    padding: 48px 18px;
  }

  h1 {
    font-size: 2.55rem;
  }

  h2 {
    font-size: 2rem;
  }

  pre {
    padding-right: 18px;
    font-size: 0.82rem;
  }

  .copy-button {
    position: static;
    margin: 0 0 12px 14px;
  }
}