:root {
  --forest: #2E7D32;
  --sky: #0288D1;
  --sun: #F9A825;
  --clay: #8D6E63;
  --chalk: #FAFAF9;
  --charcoal: #263238;
  font-family: 'Inter', system-ui, sans-serif;
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--chalk);
  color: var(--charcoal);
}

main {
  max-width: 960px;
  margin: 0 auto;
  padding: 3.5rem 1.5rem 4rem;
}

.hero {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
  align-items: center;
}


.badge {
  display: inline-block;
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
  background: rgba(2, 136, 209, 0.12);
  color: var(--sky);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.75rem;
}

.hero-copy h1 {
  font-family: 'DM Sans', 'Inter', sans-serif;
  font-size: clamp(2.2rem, 3vw + 1rem, 3rem);
  color: var(--forest);
  margin-bottom: 0.8rem;
}

.hero-copy p {
  margin: 0 0 1.2rem;
  line-height: 1.6;
}

.sign-up {
  background: white;
  padding: 2rem;
  border-radius: 16px;
  box-shadow: 0 1.2rem 2.5rem rgba(38, 50, 56, 0.08);
}

.sign-up h2 {
  margin: 0 0 0.6rem;
  color: var(--sky);
  font-family: 'DM Sans', 'Inter', sans-serif;
}

a.cta-button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  padding: 0.9rem 1rem;
  font-size: 1.05rem;
  border-radius: 12px;
  border: none;
  background: var(--forest);
  color: white;
  font-weight: 600;
  text-decoration: none;
  margin-bottom: 0.8rem;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

a.cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 0.8rem 1.5rem rgba(46, 125, 50, 0.25);
}

.value-props {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 1.5rem;
  margin: 3rem 0;
}

.value-card {
  background: white;
  padding: 1.4rem;
  border-radius: 14px;
  border: 1px solid rgba(38, 50, 56, 0.08);
}

.value-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.25rem;
  color: var(--sun);
}

.sample {
  background: rgba(2, 136, 209, 0.08);
  border-radius: 18px;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.sample pre {
  background: rgba(250, 250, 249, 0.9);
  padding: 1rem;
  border-radius: 12px;
  font-family: 'DM Mono', monospace;
  overflow-x: auto;
  margin: 0;
}

.notice {
  font-size: 0.9rem;
  color: rgba(38, 50, 56, 0.72);
}

.success {
  color: var(--forest);
  font-weight: 600;
}

.error {
  color: #c62828;
  font-weight: 600;
}

footer {
  text-align: center;
  margin-top: 4rem;
  font-size: 0.85rem;
  color: rgba(38, 50, 56, 0.6);
}


.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}