:root {
  color-scheme: light;
  --ink: #000000;
  --paper: #ffffff;
  --soft: #f3f3f3;
  --line: #e2e2e2;
  --muted: #4b4b4b;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    Helvetica, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

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

a {
  color: inherit;
}

.site-header {
  min-height: 76px;
  padding: 18px clamp(18px, 4vw, 56px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 5;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(18px);
}

.brand-link,
nav,
.hero-actions,
.visual-top,
.visual-grid,
footer {
  display: flex;
  align-items: center;
}

.brand-link {
  gap: 10px;
  text-decoration: none;
  font-weight: 800;
  font-size: 18px;
}

.brand-dot {
  width: 38px;
  height: 38px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  background: #000000;
  color: #ffffff;
}

nav {
  gap: 18px;
  font-size: 14px;
}

nav a {
  text-decoration: none;
}

.nav-cta,
.primary-link,
.secondary-link {
  min-height: 44px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  text-decoration: none;
}

.nav-cta,
.primary-link {
  background: #000000;
  color: #ffffff;
}

.secondary-link {
  background: var(--soft);
  color: #000000;
}

.hero {
  min-height: calc(100svh - 76px);
  padding: clamp(40px, 7vw, 92px) clamp(18px, 4vw, 56px);
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(360px, 0.8fr);
  align-items: center;
  gap: clamp(28px, 6vw, 90px);
}

.hero-copy {
  max-width: 760px;
}

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

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  font-size: clamp(44px, 7vw, 86px);
  line-height: 0.98;
  letter-spacing: 0;
  margin-bottom: 24px;
}

h2 {
  font-size: clamp(32px, 4vw, 52px);
  line-height: 1.04;
  margin-bottom: 0;
}

h3 {
  font-size: 22px;
  margin-bottom: 10px;
}

.hero-copy > p {
  max-width: 610px;
  color: var(--muted);
  font-size: 20px;
  line-height: 1.45;
}

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

.hero-visual {
  background: #000000;
  color: #ffffff;
  padding: 28px;
  min-height: 520px;
  display: grid;
  align-content: space-between;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.18);
}

.visual-top {
  justify-content: space-between;
  gap: 18px;
}

.visual-top span {
  width: 42px;
  height: 42px;
  border-radius: 999px;
  background: #ffffff;
}

.visual-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.visual-grid div,
.visual-case {
  border: 1px solid rgba(255, 255, 255, 0.24);
  padding: 16px;
}

.visual-grid small,
.visual-case span,
footer span {
  color: #afafaf;
}

.visual-grid strong {
  display: block;
  margin-top: 8px;
  font-size: 26px;
}

.visual-case span {
  font-size: 13px;
}

.visual-case h2 {
  font-size: 34px;
  margin: 12px 0;
}

.visual-case p {
  color: #ffffff;
  margin-bottom: 0;
}

.band,
.split-section {
  padding: clamp(56px, 8vw, 110px) clamp(18px, 4vw, 56px);
  border-top: 1px solid var(--line);
}

.section-title {
  max-width: 820px;
  margin-bottom: 34px;
}

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

.flow article {
  background: #ffffff;
  min-height: 240px;
  padding: 28px;
}

.flow span {
  display: block;
  color: var(--muted);
  margin-bottom: 44px;
  font-weight: 800;
}

.flow p,
.api-list p {
  color: var(--muted);
  line-height: 1.5;
}

.split-section {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(320px, 0.75fr);
  gap: clamp(28px, 7vw, 110px);
  align-items: start;
}

.text-link {
  font-weight: 800;
}

.dark {
  background: #000000;
  color: #ffffff;
}

.dark .eyebrow,
.dark p {
  color: #afafaf;
}

.app-list {
  display: grid;
  gap: 12px;
}

.app-list span {
  border: 1px solid rgba(255, 255, 255, 0.24);
  min-height: 54px;
  display: flex;
  align-items: center;
  padding: 0 16px;
}

footer {
  justify-content: space-between;
  gap: 18px;
  padding: 28px clamp(18px, 4vw, 56px);
  background: #000000;
  color: #ffffff;
}

@media (max-width: 880px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  nav {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .hero,
  .split-section,
  .flow {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .hero-visual {
    min-height: 420px;
  }

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

  footer {
    align-items: flex-start;
    flex-direction: column;
  }
}