:root {
  color-scheme: light;
  --ink: #121826;
  --muted: #526074;
  --line: #d7dde8;
  --paper: #ffffff;
  --wash: #eef6fb;
  --accent: #0b63ce;
  --accent-strong: #073f83;
}

* {
  box-sizing: border-box;
}

html {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
  background: #f7f9fc;
  color: var(--ink);
}

body {
  margin: 0;
}

a {
  color: var(--accent);
}

.shell {
  min-height: 100vh;
  background:
    linear-gradient(180deg, var(--wash) 0%, #f7f9fc 42%, #fbf8f2 100%);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  max-width: 1040px;
  margin: 0 auto;
  padding: 28px 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  color: var(--ink);
  font-weight: 700;
}

.mark {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: #111827;
  color: white;
  letter-spacing: 0;
}

.nav {
  display: flex;
  gap: 18px;
}

.nav a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 600;
}

.page {
  max-width: 920px;
  margin: 0 auto;
  padding: 64px 24px 96px;
}

.hero {
  margin-bottom: 48px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent-strong);
  font-weight: 700;
  letter-spacing: 0;
}

h1 {
  margin: 0;
  max-width: 780px;
  font-size: clamp(44px, 8vw, 84px);
  line-height: 0.98;
  letter-spacing: 0;
}

.lede {
  max-width: 720px;
  margin: 28px 0 0;
  color: var(--muted);
  font-size: 22px;
  line-height: 1.5;
}

.panel {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 30px;
  margin: 24px 0;
}

.panel h2 {
  margin: 0 0 12px;
  font-size: 26px;
  letter-spacing: 0;
}

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

.panel ul {
  margin: 12px 0 0;
  padding-left: 24px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid var(--accent);
  border-radius: 8px;
  color: white;
  background: var(--accent);
  text-decoration: none;
  font-weight: 700;
}

.button.secondary {
  color: var(--accent);
  background: transparent;
}

.footer {
  max-width: 1040px;
  margin: 0 auto;
  padding: 32px 24px 48px;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

@media (max-width: 640px) {
  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .page {
    padding-top: 36px;
  }

  .panel {
    padding: 22px;
  }
}