:root {
  color-scheme: light dark;
  --bg: #f7f8fb;
  --surface: #ffffff;
  --surface-strong: #eef2f6;
  --text: #111820;
  --muted: #5b6673;
  --border: rgba(38, 55, 70, 0.16);
  --accent: #007aff;
  --cyan: #00a8c6;
  --green: #21a67a;
  --terminal: #081015;
  --terminal-text: #d9fff5;
  --shadow: 0 24px 70px rgba(17, 24, 32, 0.14);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1117;
    --surface: #111a22;
    --surface-strong: #16232d;
    --text: #f4f8fb;
    --muted: #b6c1ca;
    --border: rgba(213, 230, 241, 0.14);
    --shadow: 0 24px 70px rgba(0, 0, 0, 0.42);
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    linear-gradient(135deg, rgba(0, 122, 255, 0.13), transparent 28rem),
    linear-gradient(315deg, rgba(33, 166, 122, 0.13), transparent 30rem),
    var(--bg);
}

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

img {
  max-width: 100%;
  display: block;
}

.shell {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0 72px;
}

.topbar,
.hero,
.page-hero,
.feature-grid article,
.content-grid article,
.split-section,
.terminal-card {
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  box-shadow: var(--shadow);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  position: sticky;
  top: 12px;
  z-index: 10;
  padding: 14px;
  border-radius: 20px;
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  color: white;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent), var(--green));
}

.brand strong,
.brand small {
  display: block;
}

.brand small {
  color: var(--muted);
  font-size: 0.85rem;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.nav a,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 10px 15px;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-weight: 700;
}

.nav a[aria-current="page"] {
  color: white;
  border-color: transparent;
  background: var(--accent);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.86fr);
  gap: 28px;
  align-items: center;
  margin-top: 28px;
  padding: clamp(28px, 5vw, 56px);
  border-radius: 28px;
}

.page-hero {
  margin-top: 28px;
  padding: clamp(28px, 5vw, 52px);
  border-radius: 28px;
}

.hero-copy,
.page-hero {
  display: grid;
  gap: 18px;
}

.eyebrow {
  margin: 0;
  color: var(--cyan);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  max-width: 820px;
  font-size: clamp(3rem, 8vw, 6rem);
  line-height: 0.94;
  letter-spacing: 0;
}

h2 {
  font-size: clamp(1.35rem, 3vw, 2rem);
  letter-spacing: 0;
}

.lede {
  max-width: 700px;
  color: var(--muted);
  font-size: clamp(1.08rem, 2vw, 1.32rem);
  line-height: 1.55;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.button.primary {
  color: white;
  border-color: transparent;
  background: linear-gradient(135deg, var(--accent), var(--cyan));
}

.button.secondary {
  color: var(--text);
  background: var(--surface-strong);
}

.terminal-card {
  overflow: hidden;
  border-radius: 22px;
  background: var(--terminal);
  color: var(--terminal-text);
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  color: #8fe8d2;
}

.terminal-bar span {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: #ff5f57;
}

.terminal-bar span:nth-child(2) {
  background: #ffbd2e;
}

.terminal-bar span:nth-child(3) {
  background: #28c840;
  margin-right: 8px;
}

.terminal-card pre {
  margin: 0;
  padding: 22px;
  overflow-x: auto;
  font: 0.95rem/1.65 "SF Mono", ui-monospace, Menlo, monospace;
}

.feature-grid,
.content-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-top: 16px;
}

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

.feature-grid article,
.content-grid article {
  display: grid;
  gap: 12px;
  padding: 22px;
  border-radius: 20px;
}

.feature-grid p,
.content-grid p,
.content-grid li,
.split-section p {
  color: var(--muted);
  line-height: 1.55;
}

.content-grid ul {
  margin: 0;
  padding-left: 20px;
}

.split-section {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(300px, 1fr);
  gap: 24px;
  align-items: center;
  margin-top: 16px;
  padding: 24px;
  border-radius: 24px;
}

.split-section > div {
  display: grid;
  gap: 14px;
}

.split-section img {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: var(--surface-strong);
}

.privacy-copy article {
  align-content: start;
}

@media (max-width: 900px) {
  .hero,
  .split-section,
  .feature-grid,
  .content-grid {
    grid-template-columns: 1fr;
  }

  .topbar {
    position: static;
    align-items: flex-start;
    flex-direction: column;
  }

  .nav {
    width: 100%;
  }

  .nav a {
    flex: 1;
  }
}

@media (max-width: 560px) {
  .shell {
    width: min(100% - 20px, 1120px);
    padding-top: 10px;
  }

  .hero,
  .page-hero {
    padding: 24px;
    border-radius: 22px;
  }

  .button-row,
  .button {
    width: 100%;
  }
}