:root {
  color-scheme: light;
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #111;
  background: #fff;
  font-synthesis: none;
}
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; background: #fff; color: #111; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
.topbar {
  height: 64px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 28px;
  border-bottom: 1px solid #e8e8e8;
}
.brand { font-size: 15px; font-weight: 700; letter-spacing: -.025em; }
.product { padding-left: 12px; border-left: 1px solid #dcdcdc; font-size: 13px; color: #666; }
.page { width: min(1080px, calc(100% - 48px)); min-height: calc(100vh - 128px); margin: 0 auto; }
.hero, .auth-card {
  max-width: 620px;
  padding: 120px 0 100px;
}
.auth-card { max-width: 480px; margin: 0 auto; }
.eyebrow {
  margin: 0 0 14px;
  font-size: 11px;
  font-weight: 650;
  letter-spacing: .09em;
  text-transform: uppercase;
  color: #777;
}
h1 {
  margin: 0;
  font-size: clamp(42px, 7vw, 72px);
  line-height: .98;
  letter-spacing: -.055em;
  font-weight: 650;
}
.auth-card h1 { font-size: clamp(42px, 6vw, 62px); }
.lede {
  margin: 24px 0 0;
  max-width: 560px;
  color: #555;
  font-size: 17px;
  line-height: 1.6;
}
.home-actions, .auth-actions { margin-top: 36px; }
.primary-action {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  border: 1px solid #111;
  border-radius: 7px;
  background: #111;
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}
.primary-action[disabled] { opacity: .38; cursor: not-allowed; }
.helper {
  max-width: 500px;
  margin: 14px 0 0;
  color: #777;
  font-size: 12px;
  line-height: 1.55;
}
.account-nav {
  display: flex;
  gap: 24px;
  padding: 20px 0;
  border-bottom: 1px solid #e8e8e8;
  font-size: 12px;
  color: #555;
}
.account-nav a:hover { color: #111; }
footer {
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 0 28px;
  border-top: 1px solid #e8e8e8;
  color: #777;
  font-size: 11px;
}
@media (max-width: 640px) {
  .topbar { padding: 0 18px; }
  .page { width: min(100% - 36px, 1080px); }
  .hero, .auth-card { padding: 80px 0 72px; }
  footer { padding: 18px; }
}