:root {
  --chamber-gold: #d7b96f;
  --chamber-gold-soft: rgba(215, 185, 111, 0.62);
  --chamber-ivory: #eee8dc;
  --chamber-blue: #7ea6c7;
  --chamber-void: #020307;
  --formation-cycle: 11s;
}

* { box-sizing: border-box; }

html { min-height: 100%; background: var(--chamber-void); }

body.chamber-page {
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  color: var(--chamber-ivory);
  background:
    radial-gradient(circle at 72% 38%, rgba(19, 35, 54, 0.34), transparent 28%),
    radial-gradient(circle at 18% 84%, rgba(74, 53, 21, 0.14), transparent 34%),
    #020307;
  font-family: Georgia, "Times New Roman", serif;
}

.skip-link {
  position: fixed;
  left: 1rem;
  top: -5rem;
  z-index: 100;
  padding: .7rem 1rem;
  color: #050608;
  background: var(--chamber-ivory);
}
.skip-link:focus { top: 1rem; }

.chamber-field {
  position: fixed;
  inset: 0;
  overflow: hidden;
  isolation: isolate;
}

.chamber-field::before {
  content: "";
  position: absolute;
  inset: -20%;
  z-index: -1;
  background:
    repeating-linear-gradient(to bottom, transparent 0 7px, rgba(187, 215, 235, .018) 8px),
    radial-gradient(ellipse at center, transparent 35%, rgba(0, 0, 0, .76) 90%);
  pointer-events: none;
}

.chamber-field::after {
  content: "";
  position: absolute;
  width: 58vmax;
  height: 58vmax;
  left: 55%;
  top: 48%;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle,
    rgba(218, 186, 105, .075) 0 3%,
    rgba(73, 101, 126, .035) 11%,
    transparent 43%);
  filter: blur(5px);
  animation: chamber-focus 12s ease-in-out infinite;
  pointer-events: none;
}

.chamber-page--lost .chamber-field::after {
  background: radial-gradient(circle, rgba(100, 147, 181, .045), transparent 43%);
  animation-duration: 18s;
}

.cosmic-canvas { position: absolute; inset: 0; width: 100%; height: 100%; }

.psychic-sweep {
  position: absolute;
  inset: -15% -10%;
  opacity: .28;
  background: linear-gradient(108deg, transparent 42%, rgba(145, 195, 222, .04) 48%, rgba(224, 205, 146, .14) 50%, rgba(145, 195, 222, .03) 52%, transparent 58%);
  transform: translateX(-65%);
  animation: spectral-sweep var(--formation-cycle) ease-in-out infinite;
  pointer-events: none;
}

.chamber-page--lost .psychic-sweep { display: none; }

.chamber-page:not(.chamber-page--lost) .lensing-tracer { display: none; }

.lensing-tracer {
  position: absolute;
  left: 50%;
  top: 46%;
  width: min(50vw, 36rem);
  aspect-ratio: 1;
  border: 1px solid rgba(182, 209, 222, .055);
  border-left-color: transparent;
  border-bottom-color: rgba(215, 185, 111, .08);
  border-radius: 50%;
  transform: translate(-50%, -50%) rotate(-24deg);
  animation: tracer-turn 24s linear infinite, tracer-breathe 4.8s ease-in-out infinite;
  pointer-events: none;
}

.lensing-tracer::before,
.lensing-tracer::after {
  content: "";
  position: absolute;
  inset: 12%;
  border-radius: 50%;
  border: 1px solid rgba(186, 218, 232, .075);
  border-right-color: transparent;
}
.lensing-tracer::after {
  inset: 27%;
  border-color: rgba(215, 185, 111, .2) transparent rgba(111, 155, 183, .06);
  box-shadow: 0 0 2.4rem rgba(215, 185, 111, .035);
  animation: nova-sputter 2.7s steps(7, end) infinite;
}

.chamber-shell {
  position: relative;
  z-index: 2;
  min-height: 100vh;
  display: grid;
  grid-template-rows: auto 1fr auto;
  padding: clamp(1.1rem, 3.2vw, 2.8rem) clamp(1rem, 5vw, 5rem);
}

.chamber-brand { width: clamp(10rem, 23vw, 18rem); display: block; }
.chamber-brand img { display: block; width: 100%; height: auto; }

.chamber-main {
  display: grid;
  place-items: center;
  padding: 3rem 0;
}

.terminal {
  width: min(54rem, 100%);
  text-align: center;
  text-shadow: 0 0 18px rgba(215, 185, 111, .13);
}

.terminal__eyebrow {
  margin: 0 0 1.4rem;
  color: var(--chamber-gold);
  font: 500 clamp(.7rem, 1.1vw, .82rem)/1.4 Arial, sans-serif;
  letter-spacing: .34em;
  text-transform: uppercase;
}

.terminal__title {
  margin: 0 0 2.3rem;
  font-size: clamp(2.1rem, 6vw, 5.8rem);
  font-weight: 400;
  line-height: .98;
  letter-spacing: .04em;
}

.chamber-page--lost .terminal__title {
  min-height: 1.96em;
  font-size: clamp(1.75rem, 4.2vw, 4rem);
}
.chamber-page--lost .terminal__title.is-title-typing::after {
  content: "";
  display: inline-block;
  width: .06em;
  height: .78em;
  margin-left: .08em;
  vertical-align: -.02em;
  background: rgba(188, 212, 229, .7);
  animation: terminal-cursor .72s steps(1, end) infinite;
}

.chamber-page--lost .chamber-shell {
  opacity: 1;
  transition: opacity .85s ease, filter .85s ease;
}
.chamber-page--lost.is-search-reset .chamber-shell {
  opacity: 0;
  filter: blur(3px);
}

.terminal__sequence {
  list-style: none;
  margin: 0 auto;
  padding: 0;
  max-width: 46rem;
  font: 500 clamp(.72rem, 1.6vw, .98rem)/1.6 "Courier New", monospace;
  letter-spacing: .11em;
  color: rgba(238, 232, 220, .72);
}

.terminal__sequence li { min-height: 1.6em; opacity: 0; animation: line-arrive .9s ease forwards; }
.chamber-page--lost .terminal__sequence li:nth-child(1) { animation-delay: .35s; }
.chamber-page--lost .terminal__sequence li:nth-child(2) { animation-delay: 1.25s; }
.chamber-page--lost .terminal__sequence li:nth-child(3) { animation-delay: 2.15s; }
.chamber-page--lost .terminal__sequence li:nth-child(4) { animation-delay: 3.05s; }
.chamber-page:not(.chamber-page--lost) .terminal__sequence li {
  animation: none;
  opacity: 0;
  filter: blur(4px);
  transform: translateY(5px);
  transition: opacity .72s ease, filter .72s ease, transform .72s ease;
}
.chamber-page:not(.chamber-page--lost) .terminal__sequence li.is-visible {
  opacity: 1;
  filter: blur(0);
  transform: none;
}
.chamber-page:not(.chamber-page--lost) .terminal__sequence li:nth-child(4) {
  color: var(--chamber-gold);
}
.chamber-page:not(.chamber-page--lost) .terminal__sequence li:nth-child(4)::after {
  content: "";
  display: inline-block;
  width: .58em;
  height: 1em;
  margin-left: .28em;
  vertical-align: -.16em;
  background: currentColor;
  opacity: 0;
}
.chamber-page:not(.chamber-page--lost) .terminal__sequence li:nth-child(4).is-typing::after { animation: terminal-cursor .72s steps(1, end) infinite; }
.chamber-page:not(.chamber-page--lost) .terminal__sequence li:nth-child(4).is-typed::after { display: none; }
.chamber-page--lost .terminal__sequence li:nth-child(4) { color: rgba(188, 212, 229, .78); }

.recovery-nav { margin-top: 2.7rem; }
.recovery-nav ul { display: flex; flex-wrap: wrap; justify-content: center; gap: .6rem 1.4rem; list-style: none; margin: 0; padding: 0; }
.recovery-nav a,
.chamber-footer a {
  color: rgba(238, 232, 220, .8);
  text-decoration: none;
  border-bottom: 1px solid rgba(215, 185, 111, .3);
  padding: .35rem .1rem;
}
.recovery-nav a:hover, .recovery-nav a:focus-visible,
.chamber-footer a:hover, .chamber-footer a:focus-visible { color: #fff; border-bottom-color: var(--chamber-gold); }
a:focus-visible { outline: 2px solid var(--chamber-gold); outline-offset: 5px; }

.chamber-footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  color: rgba(238, 232, 220, .47);
  font: .68rem/1.4 Arial, sans-serif;
  letter-spacing: .17em;
  text-transform: uppercase;
}

.sitemap-main { align-items: start; }
.sitemap-panel { width: min(58rem, 100%); padding: 1rem 0 3rem; }
.sitemap-panel h1 { font-size: clamp(2.4rem, 6vw, 5.2rem); font-weight: 400; margin: 0 0 .8rem; }
.sitemap-panel > p { color: rgba(238,232,220,.65); margin-bottom: 2.5rem; }
.sitemap-list { list-style: none; padding: 0; margin: 0; border-top: 1px solid rgba(215,185,111,.16); }
.sitemap-list li { display: grid; grid-template-columns: minmax(7rem, 1fr) 2fr auto; gap: 1rem; align-items: baseline; padding: 1.1rem 0; border-bottom: 1px solid rgba(215,185,111,.12); }
.sitemap-list a { color: var(--chamber-ivory); font-size: 1.2rem; }
.sitemap-list span { color: rgba(238,232,220,.55); }
.sitemap-list small { color: var(--chamber-gold); font: .64rem Arial, sans-serif; letter-spacing: .15em; text-transform: uppercase; }

@keyframes spectral-sweep { 0%, 15% { transform: translateX(-65%); } 65%, 100% { transform: translateX(65%); } }
@keyframes tracer-turn { to { transform: translate(-50%, -50%) rotate(336deg); } }
@keyframes tracer-breathe {
  0%, 100% { opacity: .55; filter: blur(.1px); }
  42% { opacity: .88; filter: blur(0); }
  48% { opacity: .38; }
  55% { opacity: .92; }
}
@keyframes nova-sputter {
  0%, 100% { opacity: .28; transform: rotate(0deg) scale(.92); }
  18% { opacity: .8; transform: rotate(17deg) scale(1.03); }
  31% { opacity: .36; transform: rotate(34deg) scale(.96); }
  62% { opacity: .72; transform: rotate(69deg) scale(1.08); }
  79% { opacity: .2; transform: rotate(98deg) scale(.94); }
}
@keyframes chamber-focus { 0%, 100% { transform: translate(-50%, -50%) scale(.88); opacity: .55; } 50% { transform: translate(-50%, -50%) scale(1.08); opacity: 1; } }
@keyframes line-arrive { from { opacity: 0; filter: blur(4px); transform: translateY(5px); } to { opacity: 1; filter: blur(0); transform: none; } }
@keyframes terminal-cursor { 0%, 48% { opacity: .88; } 49%, 100% { opacity: 0; } }

@media (max-width: 640px) {
  .chamber-shell { padding: 1rem; }
  .chamber-main { padding: 2rem 0; }
  .terminal__title { margin-bottom: 1.8rem; }
  .terminal__sequence { font-size: .69rem; letter-spacing: .055em; }
  .chamber-footer { flex-direction: column; text-align: center; align-items: center; }
  .lensing-tracer { width: 82vw; }
  .sitemap-list li { grid-template-columns: 1fr auto; }
  .sitemap-list li span { grid-column: 1 / -1; grid-row: 2; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-delay: 0ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; }
}