body {
  background: var(--ink);
  color: var(--ivory);
  min-height: 100vh;
}
.site-header {
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(20px, 5vw, 72px);
  background: var(--primary);
  border-bottom: 1px solid color-mix(in srgb, var(--ivory) 24%, transparent);
}
.wordmark {
  display: flex;
  align-items: center;
  gap: 11px;
  color: inherit;
  text-decoration: none;
  font-weight: 700;
  letter-spacing: -0.03em;
}
.brand-mark {
  width: 28px;
  height: 28px;
  border-radius: 5px;
}
.site-header nav {
  display: flex;
  gap: 28px;
}
.site-header nav a {
  color: var(--ivory);
  text-decoration: none;
  font-size: 0.9rem;
}
.hero {
  padding: clamp(72px, 10vw, 140px) clamp(20px, 8vw, 120px) 90px;
  max-width: 1200px;
}
.eyebrow {
  font: 600 0.72rem/1.2 var(--mono);
  letter-spacing: 0.14em;
  color: var(--accent);
  margin: 0 0 18px;
}
.hero h1 {
  font-size: clamp(3rem, 7vw, 7.4rem);
  line-height: 0.91;
  letter-spacing: -0.07em;
  margin: 0;
  max-width: 1050px;
}
.hero h1 em {
  color: var(--accent);
  font-style: normal;
}
.hero-copy {
  font-size: clamp(1rem, 1.5vw, 1.25rem);
  line-height: 1.6;
  max-width: 660px;
  color: var(--muted-on-dark);
  margin: 36px 0;
}
.primary-link,
.start-task {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  padding: 0 20px;
  background: var(--primary);
  color: #fff;
  border: 1px solid var(--primary);
  font: 700 0.84rem var(--sans);
  text-decoration: none;
  cursor: pointer;
}
.environment-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  background: var(--ivory);
  color: var(--ink);
  border-bottom: 1px solid var(--line);
}
.environment-strip div {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 2px 16px;
  padding: 28px clamp(20px, 4vw, 54px);
  border-right: 1px solid var(--line);
}
.environment-strip span {
  grid-row: 1/3;
  font: 600 0.7rem var(--mono);
  color: var(--accent);
}
.environment-strip strong {
  font-size: 1.05rem;
}
.environment-strip small {
  color: var(--muted);
}
.task-library,
.docs {
  background: var(--ivory);
  color: var(--ink);
  padding: 80px clamp(20px, 8vw, 120px) 110px;
  min-height: 65vh;
}
.section-heading {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 32px;
  margin-bottom: 48px;
}
.section-heading h2,
.docs h1 {
  font-size: clamp(2rem, 4vw, 4rem);
  line-height: 1;
  letter-spacing: -0.055em;
  margin: 0;
}
.task-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line);
}
.task-card {
  padding: 32px 28px 36px 0;
  border-bottom: 1px solid var(--line);
  margin-right: 28px;
}
.task-card:nth-child(even) {
  border-left: 1px solid var(--line);
  padding-left: 28px;
  margin-right: 0;
}
.task-meta {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  font: 600 0.68rem var(--mono);
  color: var(--muted);
  text-transform: uppercase;
}
.task-card h3 {
  font-size: 1.45rem;
  letter-spacing: -0.03em;
  margin: 26px 0 10px;
}
.task-card p {
  color: var(--muted);
  line-height: 1.55;
}
.task-card details {
  margin: 18px 0;
}
.task-card summary {
  cursor: pointer;
  font-weight: 650;
  min-height: 44px;
  display: flex;
  align-items: center;
}
.task-card button[disabled] {
  opacity: 0.5;
  cursor: wait;
}
.launch-result {
  margin-top: 32px;
  padding: 24px;
  border: 1px solid var(--line);
  background: #fff;
}
.launch-result a {
  color: var(--accent-dark);
}
footer {
  display: flex;
  justify-content: space-between;
  padding: 34px clamp(20px, 8vw, 120px);
  font: 500 0.72rem var(--mono);
  color: var(--muted-on-dark);
}
.docs {
  max-width: none;
}
.docs > h1,
.docs > h2,
.docs > p,
.docs > pre {
  max-width: 820px;
}
.docs h2 {
  margin-top: 48px;
}
.docs p {
  line-height: 1.65;
}
.docs pre {
  background: #fff;
  border: 1px solid var(--line);
  padding: 20px;
  overflow: auto;
  line-height: 1.55;
}
.docs code {
  font-family: var(--mono);
}
@media (max-width: 720px) {
  .site-header nav {
    gap: 16px;
  }
  .environment-strip {
    grid-template-columns: 1fr;
  }
  .environment-strip div {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
  .section-heading,
  .task-grid {
    grid-template-columns: 1fr;
  }
  .task-card,
  .task-card:nth-child(even) {
    border-left: 0;
    padding-left: 0;
    margin-right: 0;
  }
  .hero h1 {
    font-size: 3.25rem;
  }
  footer {
    gap: 20px;
    flex-direction: column;
  }
}