/**
 * Quick Schumann Check — static marketing pages
 * Chrome partials: site-assets/partials/{header,footer}.html
 */

:root {
  --qsc-bg: #0a0e17;
  --qsc-surface: #111827;
  --qsc-surface-hover: #1a2332;
  --qsc-accent: #6366f1;
  --qsc-accent-glow: rgba(99, 102, 241, 0.4);
  --qsc-text: #e2e8f0;
  --qsc-muted: #94a3b8;
  --qsc-border: rgba(148, 163, 184, 0.15);
  --qsc-exclusive: rgba(34, 197, 94, 0.15);
  --qsc-danger: #f87171;
  --qsc-ok: #4ade80;
}

html, body {
  margin: 0;
  padding: 0;
  background: #0a0e17;
  color: #e2e8f0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

.qsc-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: #0a0e17;
  color: #e2e8f0;
}

/* ---------- Shared site chrome (unique class names — never reuse marketing classes) ---------- */
.qsc-site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem 1.5rem;
  flex-wrap: wrap;
  padding: 1rem clamp(1rem, 3vw, 2rem);
  border-bottom: 1px solid rgba(148, 163, 184, 0.15);
  background: #111827;
  position: sticky;
  top: 0;
  z-index: 100;
}

.qsc-site-header .qsc-site-brand {
  font-weight: 700;
  font-size: 1.05rem;
  color: #f8fafc !important;
  text-decoration: none !important;
}

.qsc-site-header .qsc-site-brand:hover,
.qsc-site-header .qsc-site-brand:visited {
  color: #ffffff !important;
  text-decoration: none !important;
}

.qsc-site-header .qsc-site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.1rem;
  font-size: 0.92rem;
  justify-content: flex-end;
  align-items: center;
}

.qsc-site-header .qsc-site-nav a,
.qsc-site-header .qsc-site-nav a:link,
.qsc-site-header .qsc-site-nav a:visited {
  color: #cbd5e1 !important;
  text-decoration: none !important;
  font-weight: 500;
  padding: 0.25rem 0;
}

.qsc-site-header .qsc-site-nav a:hover,
.qsc-site-header .qsc-site-nav a[aria-current="page"] {
  color: #f8fafc !important;
  text-decoration: none !important;
}

.qsc-site-footer {
  margin-top: auto;
  padding: 2.5rem clamp(1rem, 3vw, 2rem) 1.25rem;
  text-align: center;
  border-top: 1px solid rgba(148, 163, 184, 0.15);
  background: #0d1320;
  color: #e2e8f0;
}

.qsc-site-footer > p:not(.qsc-footer-note) {
  color: #94a3b8;
  margin: 0 0 1.15rem;
  font-size: 0.95rem;
}

.qsc-site-footer .qsc-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  align-items: center;
  margin-bottom: 1.25rem;
}

.qsc-site-footer .qsc-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.25rem;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.92rem;
  text-decoration: none !important;
  border: 1px solid transparent;
  cursor: pointer;
  font-family: inherit;
  transition: transform 0.15s, background 0.15s, border-color 0.15s;
}

.qsc-site-footer .qsc-btn:hover {
  transform: translateY(-1px);
  text-decoration: none !important;
}

.qsc-site-footer .qsc-btn-primary {
  background: linear-gradient(135deg, #6366f1, #818cf8);
  color: #ffffff !important;
  border-color: transparent;
  box-shadow: 0 4px 18px rgba(99, 102, 241, 0.4);
}

.qsc-site-footer .qsc-btn-secondary {
  background: #111827;
  color: #e2e8f0 !important;
  border-color: rgba(148, 163, 184, 0.15);
}

.qsc-site-footer .qsc-btn-secondary:hover {
  background: #1a2332;
}

.qsc-site-footer .qsc-footer-note {
  margin: 0;
  padding: 0;
  text-align: center;
  color: #64748b;
  font-size: 0.8rem;
}

/* ---------- Page content ---------- */
.qsc-page-hero {
  position: relative;
  padding: clamp(2rem, 5vw, 3rem) 1.5rem 0.75rem;
  text-align: center;
  overflow: hidden;
}
.qsc-page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 50% at 50% -20%, var(--qsc-accent-glow), transparent);
  pointer-events: none;
}
.qsc-page-hero h1 {
  position: relative;
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 0.5rem;
  color: #fff;
  background: linear-gradient(135deg, #fff 0%, #a5b4fc 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.qsc-page-hero .qsc-tagline {
  position: relative;
  font-size: 1rem;
  color: var(--qsc-muted);
  margin: 0 auto;
  max-width: 36em;
}

.qsc-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform 0.15s, box-shadow 0.15s, background 0.15s;
  border: 0;
  cursor: pointer;
  font-family: inherit;
  text-decoration: none;
}
.qsc-btn:hover { transform: translateY(-2px); text-decoration: none; }
.qsc-btn-primary {
  background: linear-gradient(135deg, var(--qsc-accent), #818cf8);
  color: white;
  box-shadow: 0 4px 20px var(--qsc-accent-glow);
}
.qsc-btn-primary:hover { box-shadow: 0 6px 28px var(--qsc-accent-glow); }
.qsc-btn-secondary {
  background: var(--qsc-surface);
  color: var(--qsc-text);
  border: 1px solid var(--qsc-border);
}
.qsc-btn-secondary:hover { background: var(--qsc-surface-hover); }

.qsc-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  align-items: center;
}

.qsc-legal,
.qsc-faq,
.qsc-contact {
  max-width: 46rem;
  width: 100%;
  margin: 0 auto;
  padding: 1.25rem 1.5rem 2rem;
}
.qsc-legal a,
.qsc-faq a,
.qsc-contact a {
  color: var(--qsc-accent);
  text-decoration: none;
}
.qsc-legal a:hover,
.qsc-faq a:hover,
.qsc-contact a:hover {
  text-decoration: underline;
}
.qsc-legal h2,
.qsc-contact h2 {
  font-size: 1.15rem;
  margin: 2rem 0 0.75rem;
  color: var(--qsc-text);
}
.qsc-legal .qsc-updated,
.qsc-faq .qsc-updated {
  color: var(--qsc-muted);
  font-size: 0.9rem;
  margin: 0 0 1.5rem;
  text-align: center;
}
.qsc-legal p,
.qsc-legal li,
.qsc-contact p,
.qsc-faq .qsc-faq-body {
  color: var(--qsc-muted);
  font-size: 0.95rem;
}
.qsc-legal ul,
.qsc-faq ul {
  padding-left: 1.25rem;
}
.qsc-legal li,
.qsc-faq li {
  margin-bottom: 0.45rem;
}
.qsc-legal strong,
.qsc-faq strong {
  color: var(--qsc-text);
}

.qsc-faq-item {
  background: var(--qsc-surface);
  border: 1px solid var(--qsc-border);
  border-radius: 12px;
  margin-bottom: 0.75rem;
  overflow: hidden;
}
.qsc-faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: 1rem 1.15rem;
  font-weight: 600;
  font-size: 0.98rem;
  color: var(--qsc-text);
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}
.qsc-faq-item summary::-webkit-details-marker { display: none; }
.qsc-faq-item summary::before {
  content: '+';
  flex: 0 0 auto;
  width: 1.25rem;
  color: var(--qsc-accent);
  font-weight: 700;
  line-height: 1.4;
}
.qsc-faq-item[open] summary::before { content: '−'; }
.qsc-faq-item summary:hover { background: var(--qsc-surface-hover); }
.qsc-faq-body {
  padding: 0 1.15rem 1.15rem 2.9rem;
}
.qsc-faq-body p { margin: 0 0 0.85rem; }
.qsc-faq-body p:last-child { margin-bottom: 0; }
.qsc-faq-body ul { margin: 0 0 0.85rem; }

.qsc-form {
  background: var(--qsc-surface);
  border: 1px solid var(--qsc-border);
  border-radius: 12px;
  padding: 1.5rem;
  margin-top: 1rem;
}
.qsc-form label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--qsc-text);
  margin: 0 0 0.4rem;
}
.qsc-form .qsc-field { margin-bottom: 1.1rem; }
.qsc-form input,
.qsc-form textarea {
  width: 100%;
  padding: 0.7rem 0.85rem;
  border-radius: 8px;
  border: 1px solid var(--qsc-border);
  background: var(--qsc-bg);
  color: var(--qsc-text);
  font: inherit;
}
.qsc-form input:focus,
.qsc-form textarea:focus {
  outline: 2px solid rgba(99, 102, 241, 0.45);
  outline-offset: 1px;
  border-color: var(--qsc-accent);
}
.qsc-form textarea { min-height: 10rem; resize: vertical; }
.qsc-hp {
  position: absolute !important;
  left: -10000px !important;
  top: auto !important;
  width: 1px !important;
  height: 1px !important;
  overflow: hidden !important;
}
.qsc-alert {
  border-radius: 10px;
  padding: 0.85rem 1rem;
  margin: 0 0 1.25rem;
  font-size: 0.95rem;
}
.qsc-alert-ok {
  background: rgba(34, 197, 94, 0.12);
  border: 1px solid rgba(34, 197, 94, 0.35);
  color: var(--qsc-ok);
}
.qsc-alert-err {
  background: rgba(248, 113, 113, 0.1);
  border: 1px solid rgba(248, 113, 113, 0.35);
  color: var(--qsc-danger);
}

/* Affiliate marketing sits under chrome; keep full-bleed + readable defaults */
.qsc-affiliate-root {
  flex: 1 1 auto;
  color: #e2e8f0;
  background: #0a0e17;
}
.qsc-affiliate-root .qsc-marketing {
  width: 100%;
  max-width: 100%;
  margin: 0;
  padding-left: 1rem;
  padding-right: 1rem;
  color: #e2e8f0;
  background: #0a0e17;
}
.qsc-affiliate-root .qsc-btn-secondary {
  color: #e2e8f0 !important;
  background: #111827 !important;
  border: 1px solid rgba(148, 163, 184, 0.15) !important;
}
.qsc-affiliate-root .qsc-btn-primary {
  color: #ffffff !important;
}
.qsc-affiliate-root .qsc-cobrand-logo img {
  display: block !important;
  width: 72px !important;
  height: 72px !important;
  max-width: none !important;
  border-radius: 16px;
  object-fit: cover;
}
@media (min-width: 782px) {
  .qsc-affiliate-root .qsc-marketing {
    padding-left: 2rem;
    padding-right: 2rem;
  }
}

/* ---------- Other Apps (home + /other-apps/) ---------- */
.qsc-other-apps-page {
  max-width: 52rem;
  width: 100%;
  margin: 0 auto;
  padding: 1rem 1.5rem 3rem;
}
.qsc-other-apps-page a.qsc-btn {
  color: inherit;
  text-decoration: none !important;
}
.qsc-section.qsc-other-apps {
  padding-top: 0.5rem;
}
.qsc-other-apps .qsc-section-intro,
.qsc-other-apps-page > .qsc-section-intro {
  text-align: center;
  color: var(--qsc-muted);
  max-width: 40em;
  margin: 0 auto 1.75rem;
  font-size: 1rem;
}
.qsc-other-apps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
  max-width: 52rem;
  margin: 0 auto;
}
.qsc-other-app-card {
  background: var(--qsc-surface);
  border: 1px solid var(--qsc-border);
  border-radius: 16px;
  padding: 0 0 1.25rem;
  text-align: left;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.qsc-other-app-hit {
  display: block;
  color: inherit;
  text-decoration: none !important;
  flex: 1 1 auto;
  transition: background 0.15s;
}
.qsc-other-app-hit:hover,
.qsc-other-app-hit:focus-visible {
  background: rgba(26, 35, 50, 0.55);
  text-decoration: none !important;
  outline: none;
}
.qsc-other-app-hit:focus-visible {
  box-shadow: inset 0 0 0 2px rgba(99, 102, 241, 0.55);
}
.qsc-other-app-feature {
  margin: 0 0 1rem;
  background: #0a0e17;
  border-bottom: 1px solid var(--qsc-border);
  aspect-ratio: 1024 / 500;
  overflow: hidden;
}
.qsc-other-app-feature img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.qsc-other-app-head {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0 1.35rem 0.85rem;
}
.qsc-other-app-icon {
  flex: 0 0 auto;
  width: 72px;
  height: 72px;
  border-radius: 16px;
  object-fit: cover;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.35);
  background: #111827;
}
.qsc-other-app-titles {
  min-width: 0;
}
.qsc-other-app-card h3 {
  margin: 0 0 0.2rem;
  font-size: 1.2rem;
  font-weight: 650;
  color: #f8fafc;
}
.qsc-other-app-kicker {
  margin: 0;
  color: var(--qsc-muted);
  font-size: 0.88rem;
}
.qsc-other-app-hit > p {
  margin: 0 1.35rem 1.1rem;
  color: var(--qsc-muted);
  font-size: 0.95rem;
}
.qsc-other-app-actions {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  margin: 0 1.35rem;
}
.qsc-other-app-detail {
  align-self: stretch;
  justify-content: center;
  width: 100%;
}
.qsc-store-row {
  display: flex;
  flex-wrap: nowrap;
  gap: 0.65rem;
  margin-bottom: 0;
}
.qsc-other-app-card .qsc-store-row .qsc-btn {
  flex: 1 1 0;
  justify-content: center;
  min-width: 0;
}
.qsc-other-app-card .qsc-btn {
  text-decoration: none !important;
}
@media (max-width: 380px) {
  .qsc-store-row {
    flex-wrap: wrap;
  }
  .qsc-other-app-card .qsc-store-row .qsc-btn {
    flex: 1 1 calc(50% - 0.35rem);
  }
}

@media (max-width: 640px) {
  .qsc-site-header {
    flex-direction: column;
    align-items: flex-start;
  }
  .qsc-site-header .qsc-site-nav {
    justify-content: flex-start;
  }
  .qsc-faq-body { padding-left: 1.15rem; }
}