:root { color-scheme: light; }
* { box-sizing: border-box; }
body { margin: 0; font-family: Inter, Arial, sans-serif; background: #f8fafc; color: #0f172a; }
.sr-only { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0, 0, 0, 0); border: 0; }
#quiz-app { min-height: 100vh; }
.topbar { display: flex; justify-content: space-between; align-items: center; padding: 18px 24px; backdrop-filter: blur(10px); position: sticky; top: 0; background: rgba(255,255,255,.85); border-bottom: 1px solid #e2e8f0; z-index: 5; margin-bottom: 14px; }
.brand { font-size: 20px; font-weight: 900; }
.hero { display: grid; grid-template-columns: 1.1fr 1fr; gap: 24px; align-items: center; padding: 36px 24px; max-width: 1180px; margin: 0 auto; }
.eyebrow { display: inline-block; margin-bottom: 10px; font-size: 11px; letter-spacing: .14em; text-transform: uppercase; font-weight: 700; color: #64748b; }
.hero-copy h1 { margin: 0 0 10px; font-size: clamp(2rem, 6vw, 4.6rem); line-height: 1; }
.hero-copy p { margin: 0 0 20px; color: #475569; font-size: 18px; max-width: 640px; }
.hero-media img { width: 100%; border-radius: 28px; box-shadow: 0 24px 50px rgba(15,23,42,.18); object-fit: cover; min-height: 320px; }
.cta-row { display: flex; gap: 12px; }
.hero-chip-row { display: flex; gap: 8px; margin-top: 12px; flex-wrap: wrap; }
.hero-chip-row span { border: 1px solid #cbd5e1; border-radius: 999px; padding: 6px 10px; font-size: 11px; font-weight: 700; color: #1f2937; background: #fff; }

.hero-mongo .split-stack { display: grid; gap: 12px; }
.hero-mini-card { background: #001e2b; color: #e5f6ea; border-radius: 16px; padding: 14px; box-shadow: 0 12px 26px rgba(0,30,43,.28); }
.hero-mini-card b { display: block; margin-bottom: 4px; }

.hero-ai { grid-template-columns: 1fr 1fr; background: linear-gradient(180deg, rgba(65,105,225,.08), transparent); border-radius: 24px; }
.hero-ai .hero-stat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 14px; }
.hero-ai .hero-stat-grid div { background: #fff; border: 1px solid #dbeafe; border-radius: 14px; padding: 12px; text-align: center; }
.hero-ai .hero-stat-grid b { display: block; font-size: 18px; color: #1d4ed8; }
.hero-ai .hero-stat-grid small { color: #64748b; }

.hero-tanakh { grid-template-columns: 1.2fr .8fr; background: linear-gradient(180deg, rgba(255,215,0,.09), transparent); border-radius: 24px; }
.hero-side-panel { background: #fff; border: 1px solid #f1f5f9; border-radius: 18px; padding: 10px; box-shadow: 0 12px 24px rgba(15,23,42,.07); }
.hero-side-panel img { width: 100%; border-radius: 12px; min-height: 240px; object-fit: cover; }
.verse-block { margin-top: 10px; background: #fff8dc; border: 1px solid #fde68a; border-radius: 12px; padding: 10px; color: #334155; font-weight: 700; }
.verse-block small { color: #64748b; }

.hero-bible { grid-template-columns: 1fr 1fr; background: linear-gradient(180deg, rgba(250,204,21,.12), transparent); border-radius: 24px; }
.hero-bible .framed img { border: 6px solid #ffffff; outline: 2px solid #facc15; }
.hero-reference-card { margin-top: 14px; padding: 12px; border-radius: 14px; background: #fff; border: 1px solid #facc15; max-width: 260px; }
.hero-reference-card strong { display: block; color: #1e3a8a; font-size: 12px; text-transform: uppercase; letter-spacing: .08em; }
.hero-reference-card span { font-size: 18px; font-weight: 800; color: #0f172a; }
.marketing-grid { max-width: 1180px; margin: 8px auto 0; padding: 0 24px 10px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.marketing-card { background: #ffffff; border: 1px solid #e2e8f0; border-radius: 18px; padding: 16px; box-shadow: 0 10px 24px rgba(15,23,42,.05); }
.marketing-card h3 { margin: 0 0 8px; font-size: 18px; }
.marketing-card p { margin: 0; color: #475569; line-height: 1.5; }
.marketing-strip { max-width: 1180px; margin: 10px auto 16px; padding: 0 24px; }
.marketing-strip > div { background: linear-gradient(135deg, rgba(30,58,138,.96), rgba(15,23,42,.96)); color: #fff; border-radius: 22px; padding: 20px; box-shadow: 0 16px 30px rgba(15,23,42,.2); }
.marketing-strip h2 { margin: 0 0 10px; font-size: 24px; }
.marketing-strip ul { margin: 0; padding-left: 18px; display: grid; gap: 7px; }
button { border: 0; border-radius: 14px; padding: 12px 16px; cursor: pointer; background: #1e3a8a; color: #fff; font-weight: 700; }
button.secondary { background: #fff; color: #1e3a8a; border: 1px solid #cbd5e1; }
.cta-btn { transition: transform .2s ease, box-shadow .2s ease, background-color .2s ease, color .2s ease, border-color .2s ease; }
.cta-primary { background: #1e3a8a; color: #fff; }
.cta-secondary { background: #fff; color: #1e3a8a; border: 1px solid #cbd5e1; }
.cta-btn:focus-visible {
  outline: 2px solid transparent;
  outline-offset: 2px;
}

@keyframes ctaLift {
  0% { transform: translateY(0); }
  100% { transform: translateY(-3px); }
}

@keyframes ctaGlowPulse {
  0% { box-shadow: 0 0 0 rgba(65,105,225,0); transform: scale(1); }
  50% { box-shadow: 0 0 0 8px rgba(65,105,225,.16); transform: scale(1.02); }
  100% { box-shadow: 0 0 0 rgba(65,105,225,0); transform: scale(1); }
}

@keyframes ctaSoftZoom {
  0% { transform: scale(1); }
  100% { transform: scale(1.04); }
}

@keyframes ctaShimmer {
  0% { transform: translateY(0); filter: brightness(1); }
  50% { transform: translateY(-1px); filter: brightness(1.08); }
  100% { transform: translateY(0); filter: brightness(1); }
}

@keyframes ctaNudgeRight {
  0% { transform: translateX(0); }
  100% { transform: translateX(3px); }
}

@keyframes ctaTilt {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(-1deg) scale(1.01); }
}

@keyframes ctaDriftUp {
  0% { transform: translateY(0); }
  100% { transform: translateY(-2px); }
}

@keyframes ctaSoftFloat {
  0% { transform: translateY(0); }
  50% { transform: translateY(-2px); }
  100% { transform: translateY(0); }
}

[data-site="makemymongo"] .cta-primary:hover,
[data-site="makemymongo"] .cta-primary:focus-visible {
  background: #228b22;
  box-shadow: 0 10px 22px rgba(34,139,34,.35);
  animation: ctaLift .22s ease-out forwards;
}
[data-site="makemymongo"] .cta-btn:focus-visible {
  box-shadow: 0 0 0 3px rgba(0,30,43,.25), 0 0 0 6px rgba(34,139,34,.35);
}
[data-site="makemymongo"] .cta-secondary:hover,
[data-site="makemymongo"] .cta-secondary:focus-visible {
  border-color: #001e2b;
  color: #001e2b;
  background: #e8f5e9;
  animation: ctaNudgeRight .18s ease-out forwards;
}

[data-site="quizforai"] .cta-primary:hover,
[data-site="quizforai"] .cta-primary:focus-visible {
  background: #4169e1;
  box-shadow: 0 10px 22px rgba(65,105,225,.4);
  animation: ctaGlowPulse .7s ease-in-out infinite;
}
[data-site="quizforai"] .cta-btn:focus-visible {
  box-shadow: 0 0 0 3px rgba(15,23,42,.3), 0 0 0 7px rgba(65,105,225,.32);
}
[data-site="quizforai"] .cta-secondary:hover,
[data-site="quizforai"] .cta-secondary:focus-visible {
  border-color: #4169e1;
  color: #1d4ed8;
  background: #eef2ff;
  animation: ctaTilt .2s ease-out forwards;
}

[data-site="testthetanakh"] .cta-primary:hover,
[data-site="testthetanakh"] .cta-primary:focus-visible {
  background: #ffd700;
  color: #003366;
  box-shadow: 0 10px 22px rgba(255,215,0,.4);
  animation: ctaSoftZoom .22s ease-out forwards;
}
[data-site="testthetanakh"] .cta-btn:focus-visible {
  box-shadow: 0 0 0 3px rgba(0,51,102,.28), 0 0 0 6px rgba(255,215,0,.38);
}
[data-site="testthetanakh"] .cta-secondary:hover,
[data-site="testthetanakh"] .cta-secondary:focus-visible {
  border-color: #003366;
  color: #003366;
  background: #fff8dc;
  animation: ctaDriftUp .18s ease-out forwards;
}

[data-site="quizthebible"] .cta-primary:hover,
[data-site="quizthebible"] .cta-primary:focus-visible {
  background: #facc15;
  color: #1e3a8a;
  box-shadow: 0 10px 24px rgba(250,204,21,.45);
  animation: ctaShimmer .9s ease-in-out infinite;
}
[data-site="quizthebible"] .cta-btn:focus-visible {
  box-shadow: 0 0 0 3px rgba(30,58,138,.24), 0 0 0 6px rgba(250,204,21,.4);
}

[data-site="makemymongo"] .cta-secondary:focus-visible {
  animation: ctaNudgeRight .18s ease-out forwards;
}

[data-site="quizforai"] .cta-secondary:focus-visible {
  animation: ctaTilt .2s ease-out forwards;
}

[data-site="testthetanakh"] .cta-secondary:focus-visible {
  animation: ctaDriftUp .18s ease-out forwards;
}

[data-site="quizthebible"] .cta-secondary:focus-visible {
  animation: ctaSoftFloat .9s ease-in-out infinite;
}
[data-site="quizthebible"] .cta-secondary:hover,
[data-site="quizthebible"] .cta-secondary:focus-visible {
  border-color: #1e3a8a;
  color: #1e3a8a;
  background: #eff6ff;
  animation: ctaSoftFloat .9s ease-in-out infinite;
}

@media (prefers-reduced-motion: reduce) {
  .cta-btn { transition: none; animation: none !important; }
  [data-site="makemymongo"] .cta-primary:hover,
  [data-site="makemymongo"] .cta-primary:focus-visible,
  [data-site="quizforai"] .cta-primary:hover,
  [data-site="quizforai"] .cta-primary:focus-visible,
  [data-site="testthetanakh"] .cta-primary:hover,
  [data-site="testthetanakh"] .cta-primary:focus-visible,
  [data-site="quizthebible"] .cta-primary:hover,
  [data-site="quizthebible"] .cta-primary:focus-visible {
    transform: none;
  }
  [data-site="makemymongo"] .cta-secondary:hover,
  [data-site="makemymongo"] .cta-secondary:focus-visible,
  [data-site="quizforai"] .cta-secondary:hover,
  [data-site="quizforai"] .cta-secondary:focus-visible,
  [data-site="testthetanakh"] .cta-secondary:hover,
  [data-site="testthetanakh"] .cta-secondary:focus-visible,
  [data-site="quizthebible"] .cta-secondary:hover,
  [data-site="quizthebible"] .cta-secondary:focus-visible {
    transform: none;
  }
  [data-site="makemymongo"] .cta-btn:focus-visible,
  [data-site="quizforai"] .cta-btn:focus-visible,
  [data-site="testthetanakh"] .cta-btn:focus-visible,
  [data-site="quizthebible"] .cta-btn:focus-visible {
    box-shadow: 0 0 0 3px rgba(100,116,139,.35);
  }
}
.panel { max-width: 1180px; margin: 18px auto; background: #fff; border-radius: 24px; box-shadow: 0 12px 30px rgba(15,23,42,.08); padding: 20px; }
.auth-modal {
  position: fixed;
  inset: 0;
  background: rgba(15,23,42,.55);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 40;
}
.auth-dialog {
  width: min(520px, 100%);
  background: #fff;
  border-radius: 22px;
  box-shadow: 0 20px 45px rgba(15,23,42,.25);
  padding: 24px;
  position: relative;
}
.auth-close {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 36px;
  height: 36px;
  border-radius: 999px;
  border: 1px solid #e2e8f0;
  background: #fff;
  color: #334155;
  font-size: 22px;
  line-height: 1;
  padding: 0;
}
.auth-close:hover,
.auth-close:focus-visible {
  background: #f8fafc;
  border-color: #94a3b8;
}
input, select, textarea { width: 100%; border: 1px solid #cbd5e1; border-radius: 12px; padding: 12px; margin: 8px 0; }
.field-help { display: block; margin: -2px 0 8px; font-size: 12px; color: #64748b; }
.stats { display: grid; grid-template-columns: repeat(4, minmax(120px, 1fr)); gap: 12px; margin-bottom: 16px; }
.stat { background: linear-gradient(135deg, #f8fafc, #eff6ff); border: 1px solid #e2e8f0; border-radius: 16px; padding: 12px; }
.stat b { display: block; font-size: 22px; }
.quiz-resume { display: flex; justify-content: space-between; gap: 10px; align-items: center; margin-bottom: 14px; border: 1px solid #bfdbfe; background: #eff6ff; color: #1e3a8a; border-radius: 14px; padding: 10px 12px; }
.quiz-resume strong { display: block; margin-bottom: 2px; }
.quiz-resume button { padding: 8px 12px; }
.actions-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.actions-grid article { border: 1px solid #e2e8f0; border-radius: 16px; padding: 12px; background: #fff; }
.level-card { border: 1px solid #e2e8f0; border-radius: 14px; padding: 12px; margin-bottom: 8px; display: flex; justify-content: space-between; gap: 8px; align-items: center; }
.level-card img { width: 64px; height: 44px; object-fit: cover; border-radius: 10px; }
.level-meta { flex: 1; }
.chat-list { min-height: 180px; max-height: 280px; overflow: auto; background: #f8fafc; border: 1px solid #e2e8f0; border-radius: 12px; padding: 10px; }
.msg { margin-bottom: 8px; padding: 10px; border-radius: 10px; font-size: 13px; max-width: 90%; }
.msg.user { margin-left: auto; background: #1e3a8a; color: white; }
.msg.adam { margin-right: auto; background: white; border: 1px solid #e2e8f0; }
.chat-form { display: grid; grid-template-columns: 1fr auto; gap: 8px; margin-top: 10px; }
.quiz-pane { margin-top: 14px; border: 1px solid #e2e8f0; border-radius: 16px; padding: 16px; background: #f8fafc; }
.hidden { display: none !important; }
footer { text-align: center; color: #64748b; padding: 28px; font-size: 12px; }
.text-link { background: transparent; color: #1e3a8a; border: 0; padding: 0; margin-top: 10px; }
.auth-actions button { padding: 8px 10px; font-size: 12px; }
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; }
  .actions-grid, .stats { grid-template-columns: 1fr; }
  .marketing-grid { grid-template-columns: 1fr; }
  .hero-ai .hero-stat-grid { grid-template-columns: 1fr; }
}