/* NeuroDial — shared styles (mobile-first) */
:root {
  --bg: #0a1028;
  --bg-elevated: #121a38;
  --accent: #4069E0;
  --accent-hover: #5a7ef0;
  --text: #ffffff;
  --text-muted: #b8c4e0;
  --border: rgba(255, 255, 255, 0.12);
  --max-width: 42rem;
  --radius: 12px;
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", system-ui, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 0.15em; }
a:hover, a:focus-visible { color: var(--accent-hover); }
a:focus-visible, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 100;
  padding: 0.75rem 1rem; background: var(--accent); color: #fff;
}
.skip-link:focus { left: 0; }
.site-header {
  max-width: var(--max-width); margin: 0 auto; padding: 2rem 1.25rem 1rem;
  border-bottom: 1px solid var(--border);
}
.logo { margin: 0; font-size: 1.5rem; font-weight: 700; }
.logo a { color: var(--text); text-decoration: none; }
.tagline { margin: 0.25rem 0 1rem; color: var(--text-muted); font-size: 0.9375rem; }
.primary-nav { display: flex; gap: 1.25rem; flex-wrap: wrap; }
.primary-nav a { color: var(--text-muted); text-decoration: none; font-size: 0.9375rem; }
.primary-nav a[aria-current="page"] { color: var(--text); font-weight: 600; }
main { max-width: var(--max-width); margin: 0 auto; padding: 1.5rem 1.25rem 3rem; }
.hero { margin-bottom: 2.5rem; }
.hero h1, .hero h2 { margin-top: 0; line-height: 1.25; }
.lead { font-size: 1.125rem; color: var(--text-muted); }
.section-title { margin-top: 2rem; font-size: 1.25rem; }
.feature-list { padding-left: 1.25rem; }
.feature-list li { margin-bottom: 0.5rem; }
.card-grid { display: grid; gap: 1rem; }
@media (min-width: 36rem) { .card-grid { grid-template-columns: repeat(3, 1fr); } }
.card {
  background: var(--bg-elevated); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.25rem;
}
.cta-row { display: flex; gap: 0.75rem; flex-wrap: wrap; margin-top: 1.5rem; }
.btn {
  display: inline-block; padding: 0.625rem 1.25rem; border-radius: var(--radius);
  font-weight: 600; text-decoration: none;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); color: #fff; }
.btn-secondary { border: 1px solid var(--border); color: var(--text); }
.contact-box {
  background: var(--bg-elevated); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.25rem; margin-bottom: 1rem;
}
.contact-box .email { font-size: 1.125rem; font-weight: 600; }
.contact-box .meta { color: var(--text-muted); font-size: 0.875rem; margin-bottom: 0; }
.faq details { border-bottom: 1px solid var(--border); padding: 0.75rem 0; }
.faq summary { cursor: pointer; font-weight: 600; }
.check-list { padding-left: 1.25rem; }
.disclaimer {
  font-size: 0.8125rem; color: var(--text-muted); margin-top: 1.5rem;
  padding-top: 1rem; border-top: 1px solid var(--border);
}
.site-footer {
  max-width: var(--max-width); margin: 0 auto; padding: 1.5rem 1.25rem 2.5rem;
  border-top: 1px solid var(--border); color: var(--text-muted); font-size: 0.875rem;
}
.visually-hidden {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}