/* vessel-quiz-engine — base styles
 *
 * Vessel design language (cream/parchment + warm gold, generous serifs,
 * Roboto body to match thevessel.io). Used by the hub and per-quiz
 * landings. No bundler — single stylesheet, load once.
 */

:root {
  --vessel-bg: #faf6f0;
  --vessel-bg-soft: #f3ebe0;
  --vessel-ink: #1a1a1a;
  --vessel-ink-soft: #4a4a4a;
  --vessel-ink-mute: #8a8a8a;
  --vessel-line: #e6dfd2;
  --vessel-gold: #c9a45a;
  --vessel-gold-deep: #a88539;
  --vessel-midnight: #0a0e1c;
  --vessel-cream: #f8f3eb;
  --vessel-radius: 6px;
  --vessel-shadow: 0 1px 2px rgba(26, 26, 26, 0.04), 0 8px 32px rgba(26, 26, 26, 0.06);
  --vessel-shadow-hover: 0 2px 4px rgba(26, 26, 26, 0.06), 0 16px 40px rgba(26, 26, 26, 0.10);
  --vessel-serif: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
  --vessel-sans: Roboto, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

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

html { background: var(--vessel-bg); }

body {
  margin: 0;
  font-family: var(--vessel-sans);
  font-size: 17px;
  line-height: 1.65;
  color: var(--vessel-ink);
  background: var(--vessel-bg);
  -webkit-font-smoothing: antialiased;
}

a { color: var(--vessel-ink); text-decoration: none; }
a:hover { color: var(--vessel-gold-deep); }

/* === Header === */

.vessel-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250, 246, 240, 0.92);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--vessel-line);
}
.vessel-header__inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}
.vessel-header__brand img {
  display: block;
  height: 36px;
  width: auto;
}
.vessel-nav {
  display: flex;
  gap: 1.75rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.vessel-nav__link {
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--vessel-ink-soft);
  position: relative;
  padding: 0.25rem 0;
}
.vessel-nav__link:hover { color: var(--vessel-ink); }
.vessel-nav__link--active {
  color: var(--vessel-ink);
}
.vessel-nav__link--active::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 1px;
  background: var(--vessel-gold);
}

@media (max-width: 720px) {
  .vessel-header__inner { height: 60px; gap: 1rem; }
  .vessel-nav { gap: 1rem; }
  .vessel-nav__link { font-size: 13px; }
  .vessel-nav__link[href*="#"] { display: none; }
}

/* === Hub layout === */

.hub {
  max-width: 1180px;
  margin: 0 auto;
  padding: 5rem 1.5rem 4rem;
}

.hub__intro {
  max-width: 38rem;
  margin: 0 auto 3.5rem;
  text-align: center;
}
.hub__eyebrow {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--vessel-ink-mute);
  margin-bottom: 1.5rem;
}
.hub__title {
  font-family: var(--vessel-serif);
  font-weight: 500;
  font-size: clamp(2.4rem, 5vw, 3.4rem);
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin: 0 0 1rem;
  color: var(--vessel-ink);
}
.hub__lede {
  font-family: var(--vessel-serif);
  font-style: italic;
  font-weight: 400;
  font-size: 1.35rem;
  line-height: 1.45;
  color: var(--vessel-ink-soft);
  margin: 0;
}

.hub__quizzes {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
  margin: 0 0 4rem;
}

.quiz-card {
  background: #fff;
  border: 1px solid var(--vessel-line);
  border-radius: var(--vessel-radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--vessel-shadow);
  transition: box-shadow 200ms ease, transform 200ms ease;
}
.quiz-card:hover {
  box-shadow: var(--vessel-shadow-hover);
  transform: translateY(-2px);
}
.quiz-card__media {
  aspect-ratio: 16 / 9;
  background: linear-gradient(135deg, #2a2238 0%, #1a1f2e 60%, #0a0e1c 100%);
  position: relative;
  overflow: hidden;
}
.quiz-card__media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 30%, rgba(201, 164, 90, 0.18), transparent 60%);
  pointer-events: none;
}
.quiz-card__body {
  padding: 1.5rem 1.5rem 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  flex: 1;
}
.quiz-card__name {
  font-family: var(--vessel-serif);
  font-weight: 500;
  font-size: 1.5rem;
  line-height: 1.2;
  letter-spacing: -0.005em;
  margin: 0;
  color: var(--vessel-ink);
}
.quiz-card__tagline {
  font-family: var(--vessel-serif);
  font-style: italic;
  font-size: 1.05rem;
  line-height: 1.45;
  color: var(--vessel-ink-soft);
  margin: 0;
}
.quiz-card__desc {
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--vessel-ink-soft);
  margin: 0;
}
.quiz-card__meta {
  font-size: 12.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--vessel-ink-mute);
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--vessel-line);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.quiz-card__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 600;
  color: var(--vessel-gold-deep);
}
.quiz-card__cta::after {
  content: '→';
  transition: transform 200ms ease;
}
.quiz-card:hover .quiz-card__cta::after {
  transform: translateX(3px);
}

/* === Hub closer === */

.hub__closer {
  max-width: 38rem;
  margin: 0 auto;
  text-align: center;
  padding-top: 1.5rem;
  border-top: 1px solid var(--vessel-line);
  color: var(--vessel-ink-mute);
  font-size: 14px;
  font-style: italic;
  font-family: var(--vessel-serif);
}

/* === Footer === */

.vessel-footer {
  background: var(--vessel-cream);
  border-top: 1px solid var(--vessel-line);
  padding: 3.5rem 1.5rem 2rem;
  margin-top: 4rem;
}
.vessel-footer__inner {
  max-width: 1180px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 2.5rem;
}
@media (max-width: 720px) {
  .vessel-footer__inner { grid-template-columns: 1fr 1fr; gap: 1.5rem; }
}
.vessel-footer__brand {
  font-family: var(--vessel-serif);
  font-size: 1.5rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--vessel-ink);
  display: inline-block;
  margin-bottom: 0.75rem;
}
.vessel-footer__tag {
  font-family: var(--vessel-serif);
  font-style: italic;
  font-size: 1rem;
  color: var(--vessel-ink-soft);
  margin: 0;
  max-width: 22rem;
}
.vessel-footer__heading {
  font-family: var(--vessel-sans);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--vessel-ink-mute);
  margin: 0 0 0.85rem;
  font-weight: 600;
}
.vessel-footer__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}
.vessel-footer__list a {
  font-size: 14.5px;
  color: var(--vessel-ink-soft);
}
.vessel-footer__list a:hover {
  color: var(--vessel-ink);
}
.vessel-footer__legal {
  max-width: 1180px;
  margin: 2.5rem auto 0;
  padding-top: 1.5rem;
  border-top: 1px solid var(--vessel-line);
  font-size: 13px;
  color: var(--vessel-ink-mute);
  display: flex;
  gap: 0.5rem;
  align-items: center;
  flex-wrap: wrap;
}
.vessel-footer__legal a { color: var(--vessel-ink-mute); }
.vessel-footer__legal a:hover { color: var(--vessel-ink); }

/* === Era memory placeholder === */

.coming-soon {
  max-width: 38rem;
  margin: 6rem auto;
  padding: 0 1.5rem;
  text-align: center;
}
.coming-soon h1 {
  font-family: var(--vessel-serif);
  font-weight: 500;
  font-size: 2.4rem;
  margin: 0 0 1rem;
}
.coming-soon p {
  color: var(--vessel-ink-soft);
  font-family: var(--vessel-serif);
  font-style: italic;
  font-size: 1.15rem;
  line-height: 1.5;
  margin: 0 0 2rem;
}
.coming-soon a.btn {
  display: inline-block;
  background: var(--vessel-midnight);
  color: var(--vessel-cream);
  padding: 0.75rem 1.5rem;
  border-radius: var(--vessel-radius);
  font-weight: 500;
  letter-spacing: 0.02em;
}
.coming-soon a.btn:hover { background: #1a1f33; color: var(--vessel-cream); }