:root {
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --ink: #0f172a;
  --muted: #64748b;
  --line: rgba(15, 23, 42, 0.1);
  --panel-bg: #fff;
  color: var(--ink);
  background: #fafbfc;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: clamp(1.5rem, 5vw, 3rem);
}

main {
  width: min(100%, 26.5rem);
  text-align: center;
}

.brand {
  margin: 0;
}

.brand-mark {
  display: block;
  margin-inline: auto;
  width: clamp(200px, 52vw, 300px);
  height: auto;
}

.lede,
.support {
  margin: 0;
  font-weight: 400;
  line-height: 1.62;
  letter-spacing: -0.011em;
  color: var(--muted);
  text-wrap: balance;
}

.lede {
  margin-top: clamp(1.5rem, 4vw, 2.25rem);
  font-size: clamp(1.0625rem, 2.1vw, 1.1875rem);
}

.support {
  margin-top: 1rem;
  font-size: clamp(0.9375rem, 1.85vw, 1.0625rem);
  line-height: 1.58;
}

.signup {
  margin-top: clamp(2rem, 5vw, 2.75rem);
  padding-top: clamp(1.75rem, 4vw, 2.25rem);
  border-top: 1px solid var(--line);
}

.signup-title {
  margin: 0 0 0.75rem;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink);
}

.signup-hint {
  margin: 0 0 1rem;
  font-size: 0.8125rem;
  line-height: 1.5;
  letter-spacing: -0.01em;
  color: var(--muted);
}

.template-preview {
  box-sizing: border-box;
  margin: 0 auto 1.25rem;
  max-width: 17rem;
  padding: 1rem 1.125rem;
  font-size: 0.8125rem;
  line-height: 1.65;
  letter-spacing: -0.01em;
  color: var(--muted);
  background: var(--panel-bg);
  border: 1px solid var(--line);
  border-radius: 6px;
  text-align: left;
}

.cta-mail {
  box-sizing: border-box;
  display: inline-block;
  width: 100%;
  padding: 0.75rem 1rem;
  font: inherit;
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  text-align: center;
  text-decoration: none;
  color: #fff;
  background: var(--ink);
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: opacity 0.2s ease, transform 0.15s ease;
}

.cta-mail:hover {
  opacity: 0.92;
}

.cta-mail:active {
  transform: scale(0.99);
}

.cta-mail:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 3px;
}

.footer-note {
  margin: 1.5rem 0 0;
  font-size: 0.8125rem;
  color: var(--muted);
  letter-spacing: -0.01em;
}

.footer-note a {
  color: var(--ink);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease;
}

.footer-note a:hover {
  border-bottom-color: currentColor;
}

.footer-note a:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 3px;
}

.split {
  min-width: 0;
}

.split-primary,
.split-secondary {
  min-width: 0;
}

@media (min-width: 56rem) {
  main {
    width: min(100%, 52rem);
  }

  .split {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    column-gap: clamp(2.25rem, 4.5vw, 3.75rem);
    align-items: center;
  }

  .split-secondary {
    border-left: 1px solid var(--line);
    padding-left: clamp(2.25rem, 4.5vw, 3.75rem);
  }

  .signup {
    margin-top: 0;
    padding-top: 0;
    border-top: none;
  }

}