:root {
  --brand: #2563eb;
  --brand-dark: #1d4ed8;
  --bg: #f5f7fa;
  --surface: #ffffff;
  --text: #0a0e17;
  --muted: #5b6472;
  --border: #dbe1ea;
  --success: #4caf50;
  --danger: #e53935;
  --radius: 12px;
  --shadow: 0 2px 12px rgba(0,0,0,0.08);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

header {
  padding: 1.5rem 0;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--brand-dark);
  text-decoration: none;
}

.hero {
  padding: 3rem 0 2.5rem;
  text-align: center;
}

.hero h1 {
  font-size: clamp(1.9rem, 5vw, 2.75rem);
  margin: 0 0 0.75rem;
  line-height: 1.15;
}

.hero .accent {
  color: var(--brand-dark);
}

.hero p.sub {
  color: var(--muted);
  font-size: 1.1rem;
  max-width: 540px;
  margin: 0 auto 2rem;
}

/* Waitlist form */
#waitlist {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.5rem;
  max-width: 440px;
  margin: 0 auto;
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

input[type="email"], select {
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 1rem;
  background: #fff;
  color: var(--text);
}

input[type="email"]:focus, select:focus {
  outline: 2px solid var(--brand);
  outline-offset: 1px;
}

.btn-primary {
  background: var(--brand);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 0.8rem 1rem;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s;
}

.btn-primary:hover { background: var(--brand-dark); }
.btn-primary:disabled { opacity: 0.6; cursor: default; }

.form-note {
  font-size: 0.8rem;
  color: var(--muted);
  margin-top: 0.6rem;
  text-align: center;
}

#form-status {
  margin-top: 0.75rem;
  font-size: 0.9rem;
  text-align: center;
}

#form-status.success { color: var(--success); }
#form-status.error { color: var(--danger); }

/* How it works */
.section {
  padding: 2.5rem 0;
}

.section h2 {
  text-align: center;
  font-size: 1.5rem;
  margin-bottom: 2rem;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

@media (max-width: 640px) {
  .steps { grid-template-columns: 1fr; }
}

.step {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  text-align: center;
}

.step .num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--brand);
  color: #fff;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.step h3 {
  margin: 0 0 0.4rem;
  font-size: 1.05rem;
}

.step p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

footer {
  text-align: center;
  padding: 2rem 0 3rem;
  color: var(--muted);
  font-size: 0.85rem;
}