:root {
  color-scheme: light;
  --ink: #172033;
  --muted: #5f6b7a;
  --paper: #f7f8fb;
  --panel: #ffffff;
  --line: #d9e0ea;
  --blue: #246bfe;
  --green: #138a59;
  --amber: #b96c0a;
  --red: #b64444;
  --code: #0d1625;
  --code-line: #29364b;
  --shadow: 0 18px 50px rgba(23, 32, 51, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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: 1.55;
  letter-spacing: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
  min-height: 68px;
  padding: 0 48px;
  border-bottom: 1px solid rgba(217, 224, 234, 0.84);
  background: rgba(247, 248, 251, 0.92);
  backdrop-filter: blur(16px);
}

.brand,
.nav,
.hero-actions,
.block-title,
.footer {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  font-weight: 760;
}

.brand-mark {
  display: inline-grid;
  width: 32px;
  height: 32px;
  place-items: center;
  border-radius: 8px;
  background: var(--ink);
  color: #fff;
}

.nav {
  justify-content: center;
  gap: 24px;
  color: var(--muted);
  font-size: 0.94rem;
}

.nav a:hover,
.nav-action:hover,
.api-note a:hover {
  color: var(--blue);
}

.nav-action {
  padding: 9px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  color: var(--ink);
  font-weight: 700;
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(420px, 1.08fr);
  gap: 40px;
  align-items: center;
  min-height: calc(100vh - 68px);
  padding: 76px 56px 64px;
  overflow: hidden;
  background:
    linear-gradient(115deg, rgba(255, 255, 255, 0.95), rgba(247, 248, 251, 0.76)),
    linear-gradient(90deg, rgba(36, 107, 254, 0.08), rgba(19, 138, 89, 0.08));
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 1px;
  background: var(--line);
}

.hero-copy,
.hero-visual,
.section,
.proof-strip {
  max-width: 1180px;
}

.hero-copy {
  position: relative;
  z-index: 2;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--green);
  font-size: 0.78rem;
  font-weight: 760;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  max-width: 820px;
  margin: 0;
  font-size: clamp(2.6rem, 6vw, 5.9rem);
  line-height: 0.98;
  letter-spacing: 0;
}

h2 {
  max-width: 820px;
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.7rem);
  line-height: 1.04;
  letter-spacing: 0;
}

h3 {
  margin: 0 0 10px;
  font-size: 1.05rem;
  line-height: 1.2;
}

.hero-lede {
  max-width: 680px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 1.13rem;
}

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

.button,
.copy-button,
.tab {
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  color: var(--ink);
  font: inherit;
  font-weight: 760;
  cursor: pointer;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 16px;
}

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

.hero-visual {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}

.terminal-window {
  overflow: hidden;
  border: 1px solid rgba(217, 224, 234, 0.4);
  border-radius: 8px;
  background: var(--code);
  box-shadow: var(--shadow);
}

.terminal-title {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  border-bottom: 1px solid var(--code-line);
  color: #dce6f5;
  font-size: 0.86rem;
  font-weight: 760;
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #38d487;
}

pre {
  margin: 0;
  overflow-x: auto;
  white-space: pre;
}

code {
  font-family: "Cascadia Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.9rem;
}

.terminal-window pre,
.command-block pre,
.output-block pre {
  padding: 18px;
  background: var(--code);
  color: #e9f0fb;
}

.hero-graph {
  display: block;
  width: 100%;
  min-height: 220px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.proof-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin: -28px auto 0;
  padding: 0 32px;
}

.proof-strip div {
  min-height: 112px;
  padding: 24px;
  border: 1px solid var(--line);
  background: var(--panel);
}

.proof-strip strong,
.proof-strip span {
  display: block;
}

.proof-strip strong {
  font-size: 1.14rem;
}

.proof-strip span {
  margin-top: 6px;
  color: var(--muted);
  font-size: 0.94rem;
}

.section {
  margin: 0 auto;
  padding: 104px 32px 0;
}

.section-heading {
  margin-bottom: 32px;
}

.why-grid,
.evidence-grid,
.demo-grid {
  display: grid;
  gap: 18px;
}

.why-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.why-grid article,
.capability-panel,
.command-block,
.output-block,
.evidence-grid a,
.api-table,
.competition-list {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.why-grid article {
  padding: 24px;
}

.why-grid p,
.capability-panel p,
.api-note {
  margin: 0;
  color: var(--muted);
}

.capability-layout {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}

.capability-tabs {
  display: grid;
  gap: 10px;
}

.tab {
  width: 100%;
  padding: 10px 14px;
  text-align: left;
}

.tab.is-active {
  border-color: var(--blue);
  background: #edf3ff;
  color: var(--blue);
}

.capability-panel {
  min-height: 234px;
  padding: 28px;
}

.capability-panel ul {
  display: grid;
  gap: 10px;
  margin: 20px 0 0;
  padding-left: 18px;
  color: var(--ink);
}

.demo-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.output-block {
  grid-column: 1 / -1;
}

.block-title {
  justify-content: space-between;
  gap: 16px;
  padding: 16px 18px;
}

.block-title h3,
.output-block h3 {
  margin: 0;
}

.output-block h3 {
  padding: 16px 18px;
}

.copy-button {
  padding: 8px 12px;
  min-height: 36px;
  color: var(--blue);
}

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

.evidence-grid a {
  min-height: 160px;
  padding: 22px;
  transition:
    transform 160ms ease,
    box-shadow 160ms ease;
}

.evidence-grid a:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.evidence-grid span {
  display: block;
  margin-bottom: 14px;
  color: var(--muted);
  font-size: 0.86rem;
}

.evidence-grid strong {
  display: block;
  font-size: 1.08rem;
  line-height: 1.25;
  overflow-wrap: anywhere;
}

.api-table {
  overflow: hidden;
}

.api-table > div {
  display: grid;
  grid-template-columns: 210px minmax(0, 1fr);
  gap: 18px;
  padding: 18px 22px;
  border-bottom: 1px solid var(--line);
}

.api-table > div:last-child {
  border-bottom: 0;
}

.api-table span {
  font-weight: 760;
}

.api-table code {
  white-space: normal;
  color: var(--muted);
}

.api-note {
  margin-top: 16px;
}

.api-note a {
  color: var(--blue);
  font-weight: 760;
}

.competition-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  overflow: hidden;
}

.competition-list a {
  min-height: 96px;
  padding: 24px;
  border-right: 1px solid var(--line);
  color: var(--ink);
  font-weight: 760;
}

.competition-list a:last-child {
  border-right: 0;
}

.footer {
  justify-content: space-between;
  gap: 18px;
  margin-top: 104px;
  padding: 32px 48px;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

@media (max-width: 980px) {
  .topbar {
    grid-template-columns: 1fr auto;
    padding: 0 22px;
  }

  .nav {
    display: none;
  }

  .nav a {
    display: none;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding: 56px 22px 58px;
  }

  .proof-strip,
  .why-grid,
  .evidence-grid,
  .competition-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .capability-layout,
  .demo-grid {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 76px 22px 0;
  }
}

@media (max-width: 640px) {
  .topbar {
    min-height: 62px;
  }

  .nav-action {
    display: none;
  }

  h1 {
    font-size: 2.72rem;
  }

  .hero-lede {
    font-size: 1rem;
  }

  .proof-strip,
  .why-grid,
  .evidence-grid,
  .competition-list {
    grid-template-columns: 1fr;
    padding-left: 22px;
    padding-right: 22px;
  }

  .proof-strip {
    margin-top: 0;
  }

  .api-table > div {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .footer {
    flex-direction: column;
    align-items: flex-start;
    padding: 28px 22px;
  }
}