:root {
  color-scheme: light;
  --bg: #f7f9fc;
  --panel: #ffffff;
  --ink: #102033;
  --muted: #5d6b7c;
  --line: #d9e1ec;
  --brand: #1347ff;
  --brand-dark: #0b2ea3;
  --safe: #0c7a43;
  --warning: #8a5a00;
  --danger: #b42318;
  --shadow: 0 18px 60px rgba(16, 32, 51, 0.1);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.55;
}

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

a:focus,
button:focus,
input:focus,
select:focus,
textarea:focus {
  outline: 3px solid rgba(19, 71, 255, 0.25);
  outline-offset: 2px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(247, 249, 252, 0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}

.nav {
  max-width: 1120px;
  margin: 0 auto;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 750;
  color: var(--ink);
  text-decoration: none;
}

.brand-mark {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: linear-gradient(135deg, #102033, #1347ff);
  display: inline-block;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 0.95rem;
}

.button,
button {
  border: 0;
  border-radius: 999px;
  background: var(--brand);
  color: white;
  padding: 12px 18px;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
}

.button.secondary {
  background: #e8eefc;
  color: var(--brand-dark);
}

button:disabled {
  opacity: 0.65;
  cursor: not-allowed;
}

.hero,
.section {
  max-width: 1120px;
  margin: 0 auto;
  padding: 72px 24px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
  gap: 40px;
  align-items: center;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--brand-dark);
  font-size: 0.78rem;
  font-weight: 800;
}

h1,
h2,
h3 {
  line-height: 1.1;
  margin: 0 0 16px;
}

h1 {
  font-size: clamp(2.4rem, 7vw, 4.9rem);
  letter-spacing: -0.06em;
}

h2 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  letter-spacing: -0.04em;
}

h3 {
  font-size: 1.25rem;
}

.lead {
  font-size: 1.2rem;
  color: var(--muted);
  max-width: 680px;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 28px 0;
}

.note {
  color: var(--muted);
  font-size: 0.95rem;
}

.signal-card,
.panel,
.form-panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 28px;
  box-shadow: var(--shadow);
}

.signal-card {
  padding: 28px;
}

.status-row {
  display: flex;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
  padding: 14px 0;
}

.status-row:last-child {
  border-bottom: 0;
}

.pill {
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 0.85rem;
  font-weight: 800;
}

.pill.pass {
  background: #e6f5ed;
  color: var(--safe);
}

.pill.fail {
  background: #fff2d6;
  color: var(--warning);
}

.grid-3,
.grid-4,
.capabilities {
  display: grid;
  gap: 18px;
}

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-4,
.capabilities {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.panel {
  padding: 24px;
}

.panel ul {
  padding-left: 20px;
}

.trust {
  background: #102033;
  color: white;
}

.trust .section {
  padding-top: 64px;
  padding-bottom: 64px;
}

.trust p,
.trust li {
  color: #cbd5e1;
}

.form-panel {
  padding: 28px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.field.full {
  grid-column: 1 / -1;
}

label {
  display: block;
  font-weight: 750;
  margin-bottom: 8px;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 12px 14px;
  font: inherit;
  background: white;
  color: var(--ink);
}

textarea {
  min-height: 112px;
  resize: vertical;
}

[aria-invalid="true"] {
  border-color: var(--danger);
}

.error {
  min-height: 1.3em;
  color: var(--danger);
  font-size: 0.88rem;
  margin-top: 6px;
}

.checkbox-row {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.checkbox-row input {
  width: auto;
  margin-top: 5px;
}

#form-status {
  margin-top: 18px;
  font-weight: 700;
}

.turnstile-container {
  margin: 18px 0;
  min-height: 0;
}

#form-status[data-tone="success"] {
  color: var(--safe);
}

#form-status[data-tone="error"] {
  color: var(--danger);
}

.faq details {
  border-top: 1px solid var(--line);
  padding: 18px 0;
}

.faq summary {
  cursor: pointer;
  font-weight: 800;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 28px 24px;
  color: var(--muted);
  text-align: center;
}

@media (max-width: 840px) {
  .hero-grid,
  .grid-3,
  .grid-4,
  .capabilities,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .nav {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav-links {
    flex-wrap: wrap;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}