:root {
  --night-0: #060915;
  --night-1: #0d1736;
  --night-2: #1e2554;
  --night-3: #272f6a;
  --moon: #f4df8e;
  --moon-soft: #f8eed0;
  --ink: #eef0ff;
  --mist: rgba(238, 240, 255, 0.72);
  --line: rgba(238, 240, 255, 0.12);
  --line-strong: rgba(238, 240, 255, 0.24);
  --panel: rgba(9, 15, 34, 0.7);
  --panel-strong: rgba(13, 23, 54, 0.88);
  --shadow: 0 30px 80px rgba(0, 0, 0, 0.45);
  --radius: 28px;
  --max-width: 1180px;
  --serif: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Georgia, serif;
  --sans: "Avenir Next", "Segoe UI", "Helvetica Neue", sans-serif;
}

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

html {
  color-scheme: dark;
}

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 12%, rgba(60, 108, 214, 0.26), transparent 0 18rem),
    radial-gradient(circle at 80% 70%, rgba(94, 56, 177, 0.32), transparent 0 22rem),
    radial-gradient(circle at 76% 22%, rgba(244, 223, 142, 0.12), transparent 0 9rem),
    linear-gradient(180deg, #0a1025 0%, #070b18 46%, #05070f 100%);
  min-height: 100vh;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    radial-gradient(circle at 16% 20%, rgba(255, 255, 255, 0.9) 0 1px, transparent 1.5px),
    radial-gradient(circle at 32% 12%, rgba(255, 255, 255, 0.75) 0 1px, transparent 1.6px),
    radial-gradient(circle at 68% 18%, rgba(255, 255, 255, 0.85) 0 1.2px, transparent 1.8px),
    radial-gradient(circle at 84% 24%, rgba(255, 255, 255, 0.66) 0 1.1px, transparent 1.7px),
    radial-gradient(circle at 74% 60%, rgba(255, 255, 255, 0.9) 0 1.1px, transparent 1.7px),
    radial-gradient(circle at 22% 72%, rgba(255, 255, 255, 0.7) 0 1px, transparent 1.6px);
  opacity: 0.34;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -3rem;
  background: var(--moon);
  color: #141828;
  padding: 0.7rem 1rem;
  border-radius: 999px;
  z-index: 20;
  text-decoration: none;
}

.skip-link:focus {
  top: 1rem;
}

.night-shell {
  width: min(calc(100% - 2rem), var(--max-width));
  margin: 0 auto;
  padding: 1.2rem 0 4rem;
}

.moonbar {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1rem;
  padding: 0.9rem 0 1.2rem;
}

.moonbar__back,
.moonbar__repo {
  font-size: 0.92rem;
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.moonbar__links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.8rem;
}

.moonbar__crest {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
}

.moonbar__mark {
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--moon);
}

.moonbar__name {
  font-family: var(--serif);
  font-size: 1.12rem;
}

.moonbar__back:hover,
.moonbar__repo:hover,
.moonbar__back:focus-visible,
.moonbar__repo:focus-visible {
  border-color: currentColor;
}

.aperture {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.92fr);
  gap: 2.2rem;
  align-items: end;
  padding: 2.4rem 0 4.4rem;
}

.aperture__eyebrow,
.section-tag {
  margin: 0 0 1rem;
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--moon);
}

.aperture h1,
.night-column h2,
.reading-ledger h2,
.phase-track h2,
.artifact-bay h2,
.trust-deck h2,
.faq-shell h2,
.closing-arc h2 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 500;
  line-height: 0.96;
  letter-spacing: -0.04em;
}

.aperture h1 {
  max-width: 10ch;
  font-size: clamp(3.4rem, 7vw, 6.4rem);
}

.aperture__lead,
.night-column__story p,
.ledger-card p,
.phase-step p,
.trust-deck__note p,
.closing-arc p,
.faq-item p {
  color: var(--mist);
  line-height: 1.72;
}

.aperture__lead {
  max-width: 56ch;
  margin: 1.5rem 0 0;
  font-size: 1.08rem;
}

.aperture__actions,
.closing-arc__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 1.8rem;
}

.moon-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.78rem 1.2rem;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  text-decoration: none;
  font-weight: 600;
  transition: transform 180ms ease, border-color 180ms ease, background-color 180ms ease;
}

.moon-button--primary {
  background: linear-gradient(135deg, var(--moon) 0%, #d6b85b 100%);
  color: #181723;
  border-color: transparent;
}

.moon-button--ghost {
  background: rgba(255, 255, 255, 0.02);
  color: var(--ink);
}

.moon-button:hover,
.moon-button:focus-visible {
  transform: translateY(-2px);
}

.aperture__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  padding: 0;
  margin: 2rem 0 0;
  list-style: none;
}

.aperture__facts li {
  padding: 0.62rem 0.86rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
  color: var(--mist);
  font-size: 0.92rem;
}

.aperture__visual,
.artifact-card {
  margin: 0;
}

.aperture__visual img,
.artifact-card img {
  width: 100%;
  border-radius: calc(var(--radius) + 8px);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.night-column,
.reading-ledger,
.phase-track,
.artifact-bay,
.trust-deck,
.faq-shell,
.closing-arc {
  padding: 1.2rem 0 3.8rem;
}

.night-column__body {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  gap: 1.4rem;
  margin-top: 1.7rem;
}

.night-column__story,
.ritual-index,
.ledger-card,
.phase-step,
.artifact-card,
.proof-tile,
.trust-deck__note,
.faq-item,
.closing-arc {
  background: linear-gradient(180deg, rgba(14, 22, 47, 0.84), rgba(10, 15, 30, 0.74));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.night-column__story,
.ritual-index,
.trust-deck__note,
.closing-arc {
  padding: 1.6rem 1.5rem;
}

.ritual-index h3,
.ledger-card h3,
.phase-step h3,
.proof-tile__value,
.faq-item summary {
  font-family: var(--serif);
  font-weight: 500;
}

.ritual-index h3 {
  margin: 0 0 1rem;
  font-size: 1.25rem;
}

.ritual-index ul {
  margin: 0;
  padding-left: 1.15rem;
  color: var(--mist);
  line-height: 1.7;
}

.reading-ledger__grid,
.trust-deck__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.7rem;
}

.ledger-card,
.proof-tile {
  padding: 1.3rem 1.2rem;
}

.ledger-card h3,
.phase-step h3 {
  margin: 0 0 0.85rem;
  font-size: 1.35rem;
}

.phase-track__list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  list-style: none;
  padding: 0;
  margin: 1.7rem 0 0;
}

.phase-step {
  position: relative;
  padding: 1.4rem 1.2rem 1.3rem 1.2rem;
}

.phase-step__count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 50%;
  background: rgba(244, 223, 142, 0.12);
  color: var(--moon);
  border: 1px solid rgba(244, 223, 142, 0.3);
  font-size: 0.84rem;
  letter-spacing: 0.1em;
}

.artifact-bay__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.28fr) minmax(280px, 0.72fr);
  gap: 1rem;
  margin-top: 1.7rem;
}

.artifact-card {
  padding: 1rem;
}

.artifact-card figcaption {
  margin-top: 0.9rem;
  color: var(--mist);
  line-height: 1.55;
}

.proof-tile__label {
  display: block;
  color: var(--moon);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-size: 0.72rem;
}

.proof-tile__value {
  display: block;
  margin-top: 0.7rem;
  font-size: 1.7rem;
}

.proof-tile p {
  margin: 0.8rem 0 0;
  color: var(--mist);
  line-height: 1.65;
}

.trust-deck__note {
  margin-top: 1rem;
}

.faq-shell__list {
  display: grid;
  gap: 0.85rem;
  margin-top: 1.6rem;
}

.faq-item {
  padding: 0.2rem 1.1rem;
}

.faq-item summary {
  cursor: pointer;
  padding: 1rem 0;
  font-size: 1.17rem;
}

.faq-item p {
  margin: 0 0 1rem;
}

.closing-arc {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 2rem;
  align-items: end;
  margin-bottom: 2rem;
}

:focus-visible {
  outline: 3px solid rgba(244, 223, 142, 0.7);
  outline-offset: 3px;
}

@media (max-width: 980px) {
  .aperture,
  .night-column__body,
  .artifact-bay__grid,
  .closing-arc,
  .reading-ledger__grid,
  .phase-track__list,
  .trust-deck__grid {
    grid-template-columns: 1fr;
  }

  .aperture h1 {
    max-width: 12ch;
  }
}

@media (max-width: 720px) {
  .night-shell {
    width: min(calc(100% - 1.2rem), var(--max-width));
  }

  .moonbar {
    grid-template-columns: 1fr;
    justify-items: start;
  }

  .moonbar__crest {
    justify-content: flex-start;
    flex-wrap: wrap;
  }

  .moonbar__links {
    justify-content: flex-start;
  }

  .aperture {
    padding-top: 1.4rem;
  }

  .aperture h1 {
    font-size: clamp(2.9rem, 12vw, 4.4rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}