:root {
  --cem-navy: #1a2b4a;
  --cem-blue: #2c5282;
  --cem-accent: #3182ce;
  --cem-bg: #f7f8fa;
  --cem-text: #1a202c;
  --cem-muted: #4a5568;
  --cem-border: #e2e8f0;
  --cem-success-bg: #f0fff4;
  --cem-success-border: #9ae6b4;
  font-family: 'proxima-nova', 'Source Sans 3', system-ui, -apple-system, sans-serif;
}

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

body {
  margin: 0;
  min-height: 100vh;
  background: var(--cem-bg);
  color: var(--cem-text);
  line-height: 1.5;
}

.site-header {
  background: rgb(24, 30, 36);
  padding: 1rem 1.5rem;
}

.site-header__inner {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.site-header a.logo-link {
  display: flex;
  align-items: center;
  text-decoration: none;
  color: var(--cem-navy);
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: 0.02em;
}

/* CEM logo rendered from a single SVG via CSS mask, so it can be
   recoloured per context (navy in the header, white in the footer). */
.cem-logo {
  display: block;
  fill: currentColor;
  color: #fff;
}

.site-header .cem-logo {
  width: 124px;
  height: 48px;
}

main {
  max-width: 720px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 3rem;
}

h1 {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--cem-navy);
  margin: 0 0 0.75rem;
}

.lead {
  color: var(--cem-muted);
  margin: 0 0 2rem;
  font-size: 1.0625rem;
}

.card {
  background: #fff;
  border: 1px solid var(--cem-border);
  border-radius: 8px;
  padding: 2rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--cem-navy);
}

.email-input {
  width: 100%;
  font-family: 'IBM Plex Mono', ui-monospace, monospace;
  font-size: 1.25rem;
  font-feature-settings: 'ss02' on;
  letter-spacing: 0.03em;
  padding: 0.875rem 1rem;
  border: 2px solid var(--cem-border);
  border-radius: 6px;
  margin-bottom: 1.5rem;
}

.email-input:focus {
  outline: none;
  border-color: var(--cem-accent);
  box-shadow: 0 0 0 3px rgba(49, 130, 206, 0.2);
}

.hp-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.btn-primary {
  display: inline-block;
  width: 100%;
  padding: 0.875rem 1.5rem;
  font-size: 1.0625rem;
  font-weight: 600;
  color: #fff;
  background: var(--cem-accent);
  border: none;
  border-radius: 6px;
  cursor: pointer;
}

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

.btn-primary:disabled {
  opacity: 0.65;
  cursor: wait;
}

.faq-link {
  display: block;
  text-align: center;
  margin-top: 1.25rem;
  color: var(--cem-blue);
  font-size: 0.9375rem;
}

.email-display {
  font-family: 'IBM Plex Mono', ui-monospace, monospace;
  font-size: 1.5rem;
  font-weight: 600;
  font-feature-settings: 'ss02' on;
  letter-spacing: 0.04em;
  word-break: break-all;
  color: var(--cem-navy);
  background: var(--cem-bg);
  border: 2px solid var(--cem-border);
  border-radius: 6px;
  padding: 1rem 1.25rem;
  margin: 1.5rem 0;
}

.alert-success {
  background: var(--cem-success-bg);
  border: 1px solid var(--cem-success-border);
  border-radius: 6px;
  padding: 1rem 1.25rem;
  margin-bottom: 1.5rem;
}

.btn-secondary {
  display: inline-block;
  padding: 0.75rem 1.25rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--cem-blue);
  background: #fff;
  border: 2px solid var(--cem-border);
  border-radius: 6px;
  text-decoration: none;
  cursor: pointer;
}

.btn-secondary:hover {
  border-color: var(--cem-accent);
}

.site-footer {
  background: rgb(24, 30, 36);
  color: #cbd5e0;
  font-size: 0.875rem;
  padding: 3rem 1.5rem 1.75rem;
}

.site-footer__inner {
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 2rem 3rem;
}

.footer-col--brand { flex: 1 1 200px; }
.footer-col--links { flex: 1 1 140px; }
.footer-col--contact { flex: 2 1 300px; }

.site-footer h3 {
  margin: 0 0 1rem;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #fff;
}

.site-footer ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-col--links li { margin-bottom: 0.5rem; }

.site-footer a {
  color: #cbd5e0;
  text-decoration: none;
  font-size: 1.2rem;
}

.site-footer a:hover {
  color: #fff;
  text-decoration: underline;
}

.site-footer .cem-logo {
  width: 150px;
  height: 58px;
}

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 0.625rem;
  margin-bottom: 0.875rem;
}

.footer-icon {
  flex: none;
  width: 1.1rem;
  height: 1.1rem;
  margin-top: 0.15rem;
  color: var(--cem-accent);
}

.footer-contact__label {
  display: block;
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #8fa3bf;
}

.site-footer span {
  font-size: 1.1rem;
}

.footer-rule {
  border: none;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  max-width: 960px;
  margin: 2rem auto 1rem;
}

.footer-copyright {
  max-width: 960px;
  margin: 0 auto;
  font-size: 1.0rem;
  color: #fff;
}

.footer-copyright a { color: #fff; font-size: 1.0rem; }

.form-error {
  color: #c53030;
  font-size: 0.9375rem;
  margin-bottom: 1rem;
  display: none;
}

.form-error.visible {
  display: block;
}

.form-error.form-notice {
  color: var(--cem-navy);
  background: #ebf4ff;
  border: 1px solid #bee3f8;
  border-radius: 6px;
  padding: 0.75rem 1rem;
}