:root {
  --bg: #faf7f2;
  --ink: #1f1a15;
  --accent: #c4471c;
  --muted: #6b5f52;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
}
.site-header {
  border-bottom: 1px solid #e8e1d6;
  background: #fff;
}
.site-header nav {
  max-width: 960px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.site-header .brand {
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--accent);
  text-decoration: none;
}
.site-header ul {
  list-style: none;
  display: flex;
  gap: 1.5rem;
  margin: 0;
  padding: 0;
}
.site-header a {
  color: var(--ink);
  text-decoration: none;
}
.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 3rem 1.5rem;
}
.hero h1 {
  font-size: 2.5rem;
  margin: 0 0 0.5rem;
}
.hero p {
  color: var(--muted);
  font-size: 1.15rem;
}
.card {
  background: #fff;
  border: 1px solid #e8e1d6;
  border-radius: 8px;
  padding: 1.5rem;
  margin-top: 2rem;
}
.signup form {
  display: flex;
  gap: 0.5rem;
  margin-top: 1rem;
}
.signup input {
  flex: 1;
  padding: 0.65rem 0.85rem;
  border: 1px solid #d5cbbd;
  border-radius: 6px;
  font-size: 1rem;
}
.signup button {
  padding: 0.65rem 1.25rem;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 6px;
  font-weight: 600;
  cursor: pointer;
}
.signup button:hover { background: #a23a16; }
.site-footer {
  text-align: center;
  padding: 2rem;
  color: var(--muted);
  font-size: 0.9rem;
}