:root {
  --bg: #f7f9fb;
  --bg-alt: #ffffff;
  --text: #16202a;
  --text-muted: #52606d;
  --primary: #0f6e5c;
  --primary-dark: #0b5346;
  --accent: #d98c2b;
  --border: #dfe6ea;
  --success-bg: #e7f4ef;
  --radius: 10px;
  --max-width: 1080px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
}

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

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

header.site-header {
  padding: 18px 0;
  border-bottom: 1px solid var(--border);
  background: var(--bg-alt);
}

header.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  font-weight: 700;
  font-size: 1.25rem;
  text-decoration: none;
  color: var(--text);
}

.brand span {
  color: var(--primary);
}

nav.site-nav a {
  margin-left: 20px;
  text-decoration: none;
  color: var(--text-muted);
  font-size: 0.95rem;
}

nav.site-nav a:hover {
  color: var(--primary);
}

section {
  padding: 56px 0;
}

section.alt {
  background: var(--bg-alt);
}

h1 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  line-height: 1.2;
  margin: 0 0 16px;
}

h2 {
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  margin: 0 0 24px;
}

.subtitle {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 640px;
}

.hero {
  display: grid;
  gap: 32px;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 24px;
}

.btn {
  display: inline-block;
  padding: 14px 26px;
  border-radius: var(--radius);
  font-weight: 600;
  text-decoration: none;
  font-size: 1rem;
  border: 2px solid transparent;
  cursor: pointer;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}

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

.btn-secondary {
  background: transparent;
  border-color: var(--primary);
  color: var(--primary);
}

.btn-secondary:hover {
  background: var(--success-bg);
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.demo-card {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
}

.demo-card ul {
  list-style: none;
  padding: 0;
  margin: 0 0 8px;
}

.demo-card li {
  margin-bottom: 12px;
  font-size: 1.05rem;
}

.demo-note {
  color: var(--text-muted);
  font-size: 0.9rem;
  font-style: italic;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.feature {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
}

.feature h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
}

.feature p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.trust-box {
  background: var(--success-bg);
  border: 1px solid var(--primary);
  border-radius: var(--radius);
  padding: 28px;
}

table.pricing {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-alt);
  border-radius: var(--radius);
  overflow: hidden;
}

table.pricing th,
table.pricing td {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

table.pricing th {
  background: var(--bg);
  font-size: 0.95rem;
}

table.pricing td.founder,
table.pricing th.founder {
  background: var(--success-bg);
  font-weight: 600;
}

.pricing-note {
  margin-top: 18px;
  font-size: 0.98rem;
}

.pricing-note strong {
  color: var(--primary-dark);
}

form.signup-form {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  max-width: 520px;
}

form.signup-form label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin: 16px 0 6px;
}

form.signup-form label:first-of-type {
  margin-top: 0;
}

form.signup-form input {
  width: 100%;
  padding: 11px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 1rem;
}

form.signup-form input:focus {
  outline: 2px solid var(--primary);
  outline-offset: 1px;
}

.form-microtext {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 14px;
}

.form-status {
  margin-top: 14px;
  font-size: 0.95rem;
  min-height: 1.2em;
}

.form-status.error {
  color: #b3261e;
}

.form-status.success {
  color: var(--primary-dark);
}

.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-alt);
  margin-bottom: 12px;
  overflow: hidden;
}

.faq-item summary {
  padding: 16px 20px;
  cursor: pointer;
  font-weight: 600;
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  float: right;
  color: var(--primary);
}

.faq-item[open] summary::after {
  content: "–";
}

.faq-item p {
  margin: 0;
  padding: 0 20px 18px;
  color: var(--text-muted);
}

.placeholder {
  background: #fff3d6;
  border: 1px dashed var(--accent);
  border-radius: 4px;
  padding: 1px 6px;
  color: #7a5210;
  font-style: italic;
}

footer.site-footer {
  padding: 32px 0;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.9rem;
}

footer.site-footer a {
  color: var(--text-muted);
  margin-right: 16px;
  text-decoration: none;
}

footer.site-footer a:hover {
  color: var(--primary);
}

.legal-content {
  max-width: 760px;
}

.legal-content h2 {
  margin-top: 36px;
}

.legal-content p {
  color: var(--text-muted);
}

.back-link {
  display: inline-block;
  margin-bottom: 24px;
  font-size: 0.95rem;
}