:root {
  --bg: #ffffff;
  --bg-elev: #fafaf9;
  --fg: #0c0c0c;
  --fg-muted: #57534e;
  --brand: #c98610;
  --brand-hover: #9c660b;
  --border: #e7e5e4;
  --max-w: 920px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: var(--brand); text-decoration: none; }
a:hover { color: var(--brand-hover); }

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 24px 32px;
}

.wordmark {
  font-weight: 700;
  font-size: 22px;
  letter-spacing: -0.01em;
  color: var(--fg);
}
.wordmark:hover { color: var(--fg); }

.header-cta {
  font-size: 14px;
  font-weight: 600;
  color: var(--fg);
  border: 1px solid var(--border);
  padding: 8px 14px;
  border-radius: 6px;
  transition: border-color .15s ease, color .15s ease;
}
.header-cta:hover {
  color: var(--brand);
  border-color: var(--brand);
}

main {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 32px;
}

section { padding: 56px 0; }

.hero { padding-top: 48px; }

h1 {
  font-size: clamp(34px, 5vw, 52px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 0 0 20px;
  font-weight: 700;
}

.lede {
  font-size: clamp(17px, 1.8vw, 20px);
  color: var(--fg-muted);
  margin: 0 0 36px;
  max-width: 680px;
}

h2 {
  font-size: clamp(24px, 3vw, 30px);
  letter-spacing: -0.015em;
  margin: 0 0 24px;
  font-weight: 700;
}

h3 {
  font-size: 17px;
  margin: 0 0 8px;
  font-weight: 600;
  color: var(--brand);
}

.waitlist {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 24px;
  margin-top: 8px;
  min-height: 200px;
}

.tally-placeholder {
  text-align: center;
  padding: 32px 16px;
  color: var(--fg-muted);
}
.tally-placeholder code {
  background: #0c0c0c;
  color: #fafaf9;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.9em;
}
.muted { color: var(--fg-muted); font-size: 14px; }

.replaces {
  border-top: 1px solid var(--border);
}
.replaces ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px 32px;
}
.replaces li {
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  color: var(--fg-muted);
}
.replaces li strong { color: var(--fg); }

.built-for {
  border-top: 1px solid var(--border);
}
.built-for .grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 32px;
}
.built-for p {
  margin: 0;
  color: var(--fg-muted);
  font-size: 15px;
  line-height: 1.55;
}

footer {
  border-top: 1px solid var(--border);
  margin-top: 40px;
  padding: 32px;
  text-align: center;
  color: var(--fg-muted);
  font-size: 14px;
}

@media (max-width: 720px) {
  .site-header { padding: 20px; }
  main { padding: 0 20px; }
  section { padding: 40px 0; }
  .replaces ul { grid-template-columns: 1fr; gap: 0; }
  .built-for .grid { grid-template-columns: 1fr; gap: 24px; }
}