/* GENIUS Act SMB Waitlist — ProStar / Agentic Economy */
:root {
  --bg: #f7f4ef;
  --surface: #ffffff;
  --ink: #1a1a1a;
  --muted: #5c5c5c;
  --accent: #0d5c4d;
  --accent-hover: #0a463a;
  --border: #e2ddd4;
  --focus: #2a8f7a;
  --warn-bg: #f5f0e6;
  --radius: 12px;
  --shadow: 0 8px 28px rgba(26, 26, 26, 0.08);
  --font: "Segoe UI", system-ui, -apple-system, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent);
}

.wrap {
  max-width: 640px;
  margin: 0 auto;
  padding: 2rem 1.25rem 4rem;
}

header.hero {
  margin-bottom: 2rem;
}

.brand {
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 0.75rem;
}

h1 {
  font-size: clamp(1.55rem, 4.5vw, 2rem);
  line-height: 1.25;
  margin: 0 0 1rem;
  font-weight: 700;
}

.lead p {
  margin: 0 0 1rem;
  color: var(--ink);
  font-size: 1.05rem;
}

.disclaimer {
  font-size: 0.85rem;
  color: var(--muted);
  background: var(--warn-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  margin: 1.25rem 0 0;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.5rem 1.35rem;
  margin-top: 1.75rem;
}

.card h2 {
  margin: 0 0 0.35rem;
  font-size: 1.25rem;
}

.card .sub {
  margin: 0 0 1.25rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.q {
  margin-bottom: 1.35rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border);
}

.q:last-of-type {
  border-bottom: none;
  margin-bottom: 0.5rem;
  padding-bottom: 0;
}

.q-label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.65rem;
  font-size: 0.98rem;
}

.q-num {
  color: var(--accent);
  margin-right: 0.35rem;
}

.choices {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.choice {
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  background: #fafaf8;
  transition: border-color 0.15s, background 0.15s;
}

.choice:hover {
  border-color: var(--focus);
  background: #f0faf7;
}

.choice:has(input:checked) {
  border-color: var(--accent);
  background: #e8f5f1;
}

.choice input {
  margin-top: 0.2rem;
  accent-color: var(--accent);
}

.field {
  margin: 1.5rem 0 1rem;
}

.field label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.4rem;
}

.field input[type="email"],
.field input[type="text"] {
  width: 100%;
  padding: 0.7rem 0.85rem;
  font-size: 1rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: inherit;
  background: #fff;
}

.field input:focus {
  outline: 2px solid var(--focus);
  outline-offset: 1px;
  border-color: var(--accent);
}

.optional {
  font-weight: 400;
  color: var(--muted);
  font-size: 0.85rem;
}

.btn {
  display: inline-block;
  width: 100%;
  padding: 0.85rem 1.25rem;
  font-size: 1.05rem;
  font-weight: 600;
  font-family: inherit;
  color: #fff;
  background: var(--accent);
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.15s;
}

.btn:hover {
  background: var(--accent-hover);
}

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.note {
  margin-top: 1rem;
  font-size: 0.8rem;
  color: var(--muted);
}

.note code {
  font-size: 0.78rem;
  background: var(--warn-bg);
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
}

#thankyou {
  display: none;
  text-align: center;
}

#thankyou.visible {
  display: block;
}

#form-section.hidden {
  display: none;
}

#thankyou h2 {
  color: var(--accent);
  margin-top: 0;
}

#thankyou p {
  color: var(--muted);
}

footer {
  margin-top: 2.5rem;
  text-align: center;
  font-size: 0.8rem;
  color: var(--muted);
}

@media (min-width: 520px) {
  .card {
    padding: 1.75rem 1.75rem;
  }
}