:root {
  color-scheme: light;
  --bg: #ffffff;
  --ink: #17201d;
  --muted: #5c6964;
  --line: #d9e4df;
  --soft: #f4faf7;
  --soft-strong: #e7f4ef;
  --accent: #0f766e;
  --accent-dark: #0d4f4b;
  --code-bg: #101715;
  --code-ink: #d7f6ea;
  --shadow: 0 24px 70px rgba(15, 79, 75, 0.14);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: 100%;
  padding: 18px clamp(20px, 5vw, 72px);
  border-bottom: 1px solid rgba(217, 228, 223, 0.8);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-size: 18px;
  font-weight: 750;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 8px;
  background: var(--accent);
  color: #ffffff;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 14px;
  font-weight: 800;
}

.nav {
  display: flex;
  align-items: center;
  gap: 22px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 650;
}

.nav a {
  text-decoration: none;
}

.nav a:hover {
  color: var(--accent-dark);
}

.nav-button {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 15px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  color: var(--ink);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(360px, 0.85fr);
  gap: clamp(36px, 6vw, 88px);
  align-items: center;
  max-width: 1200px;
  min-height: calc(100vh - 72px);
  margin: 0 auto;
  padding: clamp(58px, 8vw, 104px) clamp(20px, 5vw, 40px) clamp(52px, 7vw, 86px);
}

.hero h1 {
  margin: 0;
  font-size: clamp(56px, 8vw, 116px);
  line-height: 0.92;
  letter-spacing: 0;
}

.lead {
  max-width: 720px;
  margin: 28px 0 0;
  font-size: clamp(28px, 4vw, 52px);
  font-weight: 720;
  line-height: 1.04;
  letter-spacing: 0;
}

.intro,
section p {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.65;
}

.intro {
  max-width: 640px;
  margin: 24px 0 0;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.primary-action,
.secondary-action {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 750;
  text-decoration: none;
}

.primary-action {
  background: var(--accent);
  color: #ffffff;
  box-shadow: 0 12px 30px rgba(15, 118, 110, 0.22);
}

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

.secondary-action {
  border: 1px solid var(--line);
  background: #ffffff;
  color: var(--ink);
}

.code-panel {
  overflow: hidden;
  border: 1px solid #20302b;
  border-radius: 12px;
  background: var(--code-bg);
  box-shadow: var(--shadow);
}

.code-panel-header {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 14px 18px;
  border-bottom: 1px solid #233631;
  color: #91afa6;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 13px;
}

pre {
  max-height: 580px;
  margin: 0;
  padding: clamp(18px, 3vw, 28px);
  overflow: auto;
}

code {
  color: var(--code-ink);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 14px;
  line-height: 1.65;
}

.section-grid,
.split-section {
  max-width: 1200px;
  margin: 0 auto;
  padding: clamp(60px, 9vw, 110px) clamp(20px, 5vw, 40px);
  border-top: 1px solid var(--line);
}

.section-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.68fr) minmax(0, 1fr);
  gap: clamp(32px, 5vw, 72px);
}

.split-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.8fr);
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
}

.muted {
  max-width: none;
  padding-right: max(clamp(20px, 5vw, 40px), calc((100vw - 1120px) / 2));
  padding-left: max(clamp(20px, 5vw, 40px), calc((100vw - 1120px) / 2));
  background: var(--soft);
}

h2 {
  max-width: 620px;
  margin: 0;
  font-size: clamp(34px, 5vw, 64px);
  line-height: 1;
  letter-spacing: 0;
}

h3 {
  margin: 0;
  font-size: 20px;
  line-height: 1.2;
}

.feature-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.feature-list.two-up {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.feature-list.capability-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.feature-list article,
.link-card {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.feature-list p {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.55;
}

.feature-list a,
.link-card a {
  display: inline-flex;
  margin-top: 18px;
  color: var(--accent-dark);
  font-size: 15px;
  font-weight: 750;
  text-decoration: none;
}

.check-list {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding: 18px 18px 18px 48px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  color: var(--ink);
  font-weight: 650;
}

.check-list li::before {
  position: absolute;
  left: 18px;
  color: var(--accent);
  content: "✓";
  font-weight: 900;
}

.link-card {
  display: grid;
  gap: 10px;
}

.link-card span {
  color: var(--muted);
  font-size: 14px;
  font-weight: 750;
  text-transform: uppercase;
}

.link-card a {
  margin: 0;
  font-size: clamp(19px, 3vw, 28px);
  overflow-wrap: anywhere;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 28px clamp(20px, 5vw, 72px);
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}

.site-footer a {
  color: var(--accent-dark);
  font-weight: 750;
  text-decoration: none;
}

@media (max-width: 920px) {
  .hero,
  .section-grid,
  .split-section {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .code-panel {
    max-width: 100%;
  }

  .feature-list,
  .feature-list.two-up,
  .feature-list.capability-grid {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 921px) and (max-width: 1120px) {
  .feature-list.capability-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 680px) {
  .site-header {
    position: static;
    align-items: flex-start;
    flex-direction: column;
    padding: 16px 20px;
  }

  .nav {
    width: 100%;
    gap: 14px;
    overflow-x: auto;
    padding-bottom: 2px;
  }

  .nav-button {
    min-height: 34px;
  }

  .hero {
    padding-top: 46px;
  }

  .lead {
    margin-top: 20px;
  }

  .intro,
  section p {
    font-size: 16px;
  }

  .actions {
    align-items: stretch;
    flex-direction: column;
  }

  .primary-action,
  .secondary-action {
    justify-content: center;
  }

  code {
    font-size: 12px;
  }

  .site-footer {
    flex-direction: column;
  }
}