:root {
  --body-size: clamp(1.05rem, 0.95rem + 0.4vw, 1.28rem);
  --body-leading: 1.72;
  --text-width: 34rem;
  --serif: "Cormorant Garamond", Georgia, "Iowan Old Style", "Palatino Linotype", Palatino, serif;
  --display: "Italiana", "Cormorant Garamond", Georgia, serif;
  --mono: "IBM Plex Mono", "SFMono-Regular", "Menlo", "Consolas", monospace;
  --ink: rgba(236, 228, 218, 0.88);
  --ink-faint: rgba(236, 228, 218, 0.38);
  --ink-ghost: rgba(236, 228, 218, 0.12);
  --mist: rgba(198, 210, 224, 0.14);
  --feedback: rgba(255, 248, 235, 0.06);
  --accent: #c9a87c;
  --accent-deep: #8b6914;
  --void: #060608;
  --focus: #d4b896;
  --spot-x: -20vw;
  --spot-y: -20vh;
  --spot-r: clamp(88px, 22vw, 168px);
  --spot-active: 0;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--void);
  scroll-behavior: smooth;
}

html.fog-scroll-lock {
  overflow: hidden;
  height: 100%;
  overscroll-behavior: none;
}

html.fog-scroll-lock body {
  position: fixed;
  width: 100%;
  left: 0;
  right: 0;
  overflow: hidden;
  touch-action: none;
  overscroll-behavior: none;
}

html:has(body.morse-revealed) {
  overflow: auto;
  height: auto;
}

body.morse-revealed {
  position: static !important;
  top: auto !important;
  touch-action: pan-y;
}

body {
  margin: 0;
  min-height: 100dvh;
  font-family: var(--serif);
  font-size: var(--body-size);
  line-height: var(--body-leading);
  color: var(--ink);
  text-rendering: optimizeLegibility;
  font-feature-settings: "kern" 1, "liga" 1, "onum" 1;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  touch-action: pan-y;
}

body.sharpen-active,
body.morse-attempt,
body.tap-hold {
  user-select: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
}

body.sharpen-active .chamber,
body.sharpen-active .chamber *,
body.morse-attempt .chamber,
body.morse-attempt .chamber *,
body.tap-hold .chamber,
body.tap-hold .chamber * {
  user-select: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
}

.chamber {
  -webkit-tap-highlight-color: transparent;
}

#feedback-canvas,
#mist-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

#mist-canvas {
  z-index: 0;
  opacity: 0.72;
  mix-blend-mode: screen;
}

#feedback-canvas {
  z-index: 1;
  opacity: 0.55;
  mix-blend-mode: soft-light;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background:
    radial-gradient(ellipse 80% 55% at 50% 40%, transparent 20%, rgba(6, 6, 8, 0.55) 75%),
    radial-gradient(ellipse 120% 90% at 50% 100%, rgba(0, 0, 0, 0.65), transparent 55%);
}

.sharpen-fog {
  position: fixed;
  inset: 0;
  z-index: 22;
  pointer-events: none;
  transform: translateZ(0);
  -webkit-transform: translateZ(0);
  -webkit-backdrop-filter: blur(16px) saturate(1.05) brightness(0.9);
  backdrop-filter: blur(16px) saturate(1.05) brightness(0.9);
  background: rgba(6, 6, 8, 0.14);
  -webkit-mask-image: linear-gradient(#fff, #fff);
  mask-image: linear-gradient(#fff, #fff);
}

body.sharpen-active .sharpen-fog {
  -webkit-mask-image: radial-gradient(
    circle var(--spot-r) at var(--spot-x) var(--spot-y),
    transparent 0%,
    transparent 16%,
    rgba(0, 0, 0, 0.04) 30%,
    rgba(0, 0, 0, 0.14) 44%,
    rgba(0, 0, 0, 0.28) 56%,
    rgba(0, 0, 0, 0.46) 68%,
    rgba(0, 0, 0, 0.66) 80%,
    rgba(0, 0, 0, 0.84) 92%,
    black 100%
  );
  mask-image: radial-gradient(
    circle var(--spot-r) at var(--spot-x) var(--spot-y),
    transparent 0%,
    transparent 16%,
    rgba(0, 0, 0, 0.04) 30%,
    rgba(0, 0, 0, 0.14) 44%,
    rgba(0, 0, 0, 0.28) 56%,
    rgba(0, 0, 0, 0.46) 68%,
    rgba(0, 0, 0, 0.66) 80%,
    rgba(0, 0, 0, 0.84) 92%,
    black 100%
  );
}

.sharpen-ring {
  position: fixed;
  z-index: 23;
  width: calc(var(--spot-r) * 2.2);
  height: calc(var(--spot-r) * 2.2);
  margin-left: calc(var(--spot-r) * -1.1);
  margin-top: calc(var(--spot-r) * -1.1);
  left: var(--spot-x);
  top: var(--spot-y);
  border-radius: 50%;
  pointer-events: none;
  border: none;
  background: radial-gradient(
    circle,
    transparent 42%,
    rgba(201, 168, 124, 0.04) 58%,
    rgba(201, 168, 124, 0.14) 72%,
    rgba(236, 228, 218, 0.08) 86%,
    transparent 100%
  );
  box-shadow:
    0 0 36px rgba(201, 168, 124, 0.1),
    0 0 72px rgba(236, 228, 218, 0.05);
  opacity: 0;
  transform: scale(0.92);
  filter: blur(1px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

body.sharpen-active .sharpen-ring {
  opacity: 1;
  transform: scale(1);
}

.touch-hint {
  position: fixed;
  z-index: 24;
  left: 50%;
  bottom: clamp(1.2rem, 4vh, 2.4rem);
  transform: translateX(-50%);
  margin: 0;
  padding: 0.55rem 1rem 0.6rem;
  font-family: var(--mono);
  font-size: 0.58rem;
  color: rgba(236, 228, 218, 0.42);
  border: 1px solid rgba(201, 168, 124, 0.22);
  border-radius: 1.1rem;
  background: rgba(6, 6, 8, 0.55);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  pointer-events: none;
  transition: opacity 0.5s ease, transform 0.5s ease, border-color 0.4s ease;
  animation: hint-pulse 4s ease-in-out infinite;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  text-align: center;
  max-width: min(94vw, 26rem);
}

.touch-hint-label {
  letter-spacing: 0.28em;
  text-transform: uppercase;
}

.touch-hint-label--morse {
  letter-spacing: 0.1em;
  text-transform: none;
  color: rgba(201, 168, 124, 0.82);
  font-size: 0.52rem;
  line-height: 1.45;
  word-break: break-all;
}

body.sharpen-active .touch-hint {
  opacity: 0;
  transform: translateX(-50%) translateY(0.6rem);
  animation: none;
}

body.morse-revealed .sharpen-fog {
  display: none;
}

body.morse-revealed .touch-hint {
  border-color: rgba(201, 168, 124, 0.45);
  animation: none;
  opacity: 0.85;
}

body.morse-revealed .touch-hint-label {
  letter-spacing: 0.18em;
}

body.morse-arming .touch-hint {
  border-color: rgba(201, 168, 124, 0.38);
  animation: hint-arm 0.9s ease-in-out infinite;
}

@keyframes hint-arm {
  0%, 100% { opacity: 0.55; }
  50% { opacity: 0.95; }
}

@keyframes hint-pulse {
  0%, 100% { opacity: 0.55; }
  50% { opacity: 0.9; }
}

.site-top {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 40;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.9rem 1.2rem;
  background: linear-gradient(180deg, rgba(6, 6, 8, 0.85), transparent);
}

.home-link {
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--ink-faint);
  text-decoration: none;
}

.home-link:hover,
.home-link:focus-visible {
  color: var(--ink);
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}

.language-nav {
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.language-link {
  color: var(--ink-faint);
  text-decoration: none;
}

.language-link[aria-current="page"] {
  color: var(--accent);
}

.chamber {
  position: relative;
  z-index: 10;
  padding: 6rem 1.25rem 8rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(4rem, 12vh, 9rem);
}

.plinth {
  width: min(100%, calc(var(--text-width) + 8rem));
  position: relative;
}

.plinth--title {
  text-align: center;
  padding-top: 2rem;
}

.plinth-echo {
  position: absolute;
  inset: -1.5rem -2rem;
  font-family: var(--display);
  font-size: clamp(2.4rem, 8vw, 5.5rem);
  line-height: 0.95;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-ghost);
  filter: blur(14px);
  pointer-events: none;
  user-select: none;
  text-wrap: balance;
  z-index: 0;
}

.plinth-inner {
  position: relative;
  z-index: 1;
}

.museum-label {
  font-family: var(--mono);
  font-size: 0.56rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin: 0 0 1.4rem;
}

h1 {
  font-family: var(--display);
  font-size: clamp(2rem, 5.5vw, 3.2rem);
  font-weight: 400;
  letter-spacing: 0.04em;
  line-height: 1.12;
  margin: 0 0 0.6rem;
  text-wrap: balance;
}

.subtitle {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.12em;
  font-weight: 400;
  color: var(--ink-faint);
  margin: 0 0 2rem;
}

.prose {
  max-width: var(--text-width);
  margin: 0 auto;
}

.prose p {
  margin: 0 0 1.15em;
  text-align: justify;
  hyphens: auto;
  text-wrap: pretty;
}

.prose p:last-child {
  margin-bottom: 0;
}

.signal {
  display: block;
  margin: 2.2em auto;
  max-width: var(--text-width);
  padding: 1.1em 0;
  text-align: center;
  font-family: var(--display);
  font-size: clamp(1.15rem, 2.8vw, 1.55rem);
  letter-spacing: 0.06em;
  line-height: 1.45;
  color: var(--accent);
  text-wrap: balance;
  position: relative;
}

.signal::before,
.signal::after {
  content: attr(data-echo);
  position: absolute;
  left: 50%;
  top: 50%;
  width: 110%;
  transform: translate(-50%, -50%);
  color: var(--ink-ghost);
  filter: blur(10px);
  pointer-events: none;
  z-index: -1;
}

.signal--feedback {
  font-size: clamp(1.35rem, 3.5vw, 2rem);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  animation: breathe 9s ease-in-out infinite;
}

@keyframes breathe {
  0%, 100% { opacity: 0.72; }
  50% { opacity: 1; }
}

.verse {
  margin: 2em 0;
  padding-left: 1.2em;
  border-left: 1px solid rgba(201, 168, 124, 0.28);
  font-style: italic;
  color: rgba(236, 228, 218, 0.72);
}

.verse em {
  font-style: normal;
  color: var(--accent);
  letter-spacing: 0.04em;
}

.triad {
  display: grid;
  gap: 1.4rem;
  margin: 2.4em 0;
  text-align: center;
}

.triad-line {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-faint);
  line-height: 1.6;
}

.triad-line strong {
  display: block;
  font-family: var(--display);
  font-size: 1.35rem;
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.35em;
}

.whisper {
  font-size: 0.88em;
  color: var(--ink-faint);
  letter-spacing: 0.02em;
}

.divider {
  width: min(6rem, 30vw);
  height: 1px;
  margin: 0 auto;
  background: linear-gradient(90deg, transparent, var(--accent-deep), transparent);
  opacity: 0.45;
}

.section-glyph {
  font-family: var(--display);
  font-size: clamp(3rem, 10vw, 6rem);
  line-height: 1;
  text-align: center;
  color: var(--ink-ghost);
  filter: blur(6px);
  margin: 0;
  user-select: none;
}

.confession-pair {
  display: flex;
  justify-content: center;
  gap: clamp(2rem, 8vw, 5rem);
  margin: 2.5em 0;
  font-family: var(--display);
  font-size: clamp(1.8rem, 5vw, 2.8rem);
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.confession-pair span {
  opacity: 0.85;
}

.confession-pair .rejected {
  color: rgba(180, 140, 140, 0.55);
  opacity: 0.65;
}

.confession-pair .accepted {
  color: var(--accent);
}

.marker-glyph {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: var(--ink-faint);
  text-align: center;
  margin: 2em 0;
}

code {
  font-family: var(--mono);
  font-size: 0.82em;
  color: var(--accent);
  letter-spacing: 0.02em;
}

a {
  color: var(--accent);
  text-decoration-thickness: 0.5pt;
  text-underline-offset: 3px;
}

a:hover,
a:focus-visible {
  color: var(--ink);
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

@media (max-width: 40rem) {
  .chamber {
    padding-top: 5rem;
    gap: 3.5rem;
  }

  .prose p {
    text-align: left;
    hyphens: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  #feedback-canvas,
  #mist-canvas,
  .sharpen-fog {
    display: none;
  }

  .signal--feedback {
    animation: none;
  }

  html {
    scroll-behavior: auto;
  }
}

@media (prefers-contrast: high) {
  :root {
    --ink: #f5f0e8;
    --ink-faint: #c8c0b4;
    --void: #000;
  }

  .sharpen-fog {
    display: none;
  }
}