:root {
  --bg: #0a0a0a;
  --bg-elev: #131313;
  --fg: #f5f1e8;
  --fg-dim: #9a958a;
  --accent: #d4a017;
  --accent-fg: #0a0a0a;
  --border: #2a2823;
  --danger: #e06c5a;
  --ok: #7fb069;
  --maxw: 640px;
  --radius: 6px;
  --font-serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Times New Roman", Times, serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1.25rem;
}

main {
  width: 100%;
  max-width: var(--maxw);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 3rem;
}

.mark {
  display: inline-grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border-radius: var(--radius);
  background: var(--accent);
  color: var(--accent-fg);
  font-weight: 700;
  font-family: var(--font-serif);
  font-size: 1.25rem;
  line-height: 1;
}

.wordmark {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.4rem;
  letter-spacing: -0.01em;
}

.hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 5vw, 2.75rem);
  line-height: 1.15;
  letter-spacing: -0.015em;
  margin: 0 0 1.25rem;
  font-weight: 700;
}

.hero .lede {
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--fg-dim);
  margin: 0;
  max-width: 36rem;
}

.signup {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.signup h2 {
  font-family: var(--font-serif);
  font-size: 1.125rem;
  font-weight: 600;
  margin: 0 0 1rem;
  letter-spacing: -0.005em;
}

#signup-form {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

#signup-form input[type="email"] {
  flex: 1 1 240px;
  min-width: 0;
  padding: 0.75rem 0.9rem;
  font-size: 1rem;
  font-family: inherit;
  color: var(--fg);
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  outline: none;
  transition: border-color 0.15s ease;
}

#signup-form input[type="email"]:focus {
  border-color: var(--accent);
}

#signup-form button {
  padding: 0.75rem 1.2rem;
  font-size: 1rem;
  font-family: inherit;
  font-weight: 600;
  color: var(--accent-fg);
  background: var(--accent);
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  cursor: pointer;
  transition: filter 0.15s ease;
}

#signup-form button:hover {
  filter: brightness(1.08);
}

#signup-form button:disabled {
  opacity: 0.6;
  cursor: progress;
}

.status {
  margin: 0.75rem 0 0;
  font-size: 0.9375rem;
  min-height: 1.4em;
}

.status.ok {
  color: var(--ok);
}

.status.err {
  color: var(--danger);
}

.fineprint {
  margin: 0.75rem 0 0;
  font-size: 0.8125rem;
  color: var(--fg-dim);
}

footer {
  margin-top: 4rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  font-size: 0.8125rem;
  color: var(--fg-dim);
  display: flex;
  gap: 0.6rem;
  align-items: center;
  flex-wrap: wrap;
}

footer a {
  color: var(--fg-dim);
  text-decoration: none;
  border-bottom: 1px dotted var(--border);
}

footer a:hover {
  color: var(--fg);
  border-bottom-color: var(--fg-dim);
}

.dot {
  opacity: 0.5;
}

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