:root {
  --black: #020304;
  --space-black: #05080b;
  --gunmetal: #11171c;
  --chrome: #aeb8c0;
  --cold-white: #eef5f8;
  --steel-blue: #718696;
  --signal-red: #8f1118;
  --line: rgba(174, 184, 192, 0.22);
  --content-width: 90rem;
  --heading-font: "Arial Narrow", "Roboto Condensed", "Helvetica Neue Condensed", Arial, sans-serif;
  --body-font: Inter, "Helvetica Neue", Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
}

body {
  margin: 0;
  overflow-x: hidden;
  color: var(--chrome);
  background-color: var(--black);
  background-image:
    linear-gradient(rgba(2, 3, 4, 0.25), rgba(2, 3, 4, 0.25)),
    url("../images/bg_tile_1.jpg");
  background-repeat: repeat, repeat;
  background-position: 0 0, 0 0;
  background-size: auto, auto;
  font-family: var(--body-font);
  font-size: 1rem;
  line-height: 1.6;
}

a {
  color: inherit;
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 100;
  padding: 0.65rem 0.9rem;
  color: var(--black);
  background: var(--cold-white);
  transform: translateY(-200%);
}

.skip-link:focus {
  transform: translateY(0);
}

a:focus-visible {
  outline: 2px solid var(--cold-white);
  outline-offset: 4px;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-header {
  position: relative;
  z-index: 10;
  border-bottom: 1px solid var(--line);
  background: var(--black);
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(100% - 3rem, var(--content-width));
  min-height: 3.75rem;
  margin-inline: auto;
  gap: 2rem;
}

.site-name,
.nav-links a {
  font-family: var(--heading-font);
  font-stretch: condensed;
  font-weight: 400;
  line-height: 1;
  letter-spacing: 0.16em;
  text-decoration: none;
  text-transform: uppercase;
}

.site-name {
  color: var(--cold-white);
  font-size: 0.77rem;
  white-space: nowrap;
}

.site-name::before {
  display: inline-block;
  width: 0.3rem;
  height: 0.3rem;
  margin-right: 0.65rem;
  border-radius: 50%;
  background: var(--signal-red);
  box-shadow: 0 0 0.5rem rgba(143, 17, 24, 0.8);
  content: "";
  vertical-align: 0.1em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2.4vw, 2.5rem);
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-links a {
  display: block;
  padding-block: 1.4rem;
  color: var(--chrome);
  font-size: 0.68rem;
  transition: color 150ms ease;
}

.nav-links a:hover {
  color: var(--cold-white);
}

.hero {
  border-bottom: 1px solid var(--line);
  background: #000;
}

.hero img {
  display: block;
  width: 100%;
  height: auto;
}

.signal-intro {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 0;
  padding: clamp(4rem, 6vw, 6rem) 1.5rem 0;
  overflow: hidden;
  text-align: center;
  background-color: rgba(2, 5, 7, 0.28);
  box-shadow:
    inset 0 1px rgba(174, 184, 192, 0.08),
    inset 0 -1px rgba(174, 184, 192, 0.08);
}

.signal-intro::before,
.signal-intro::after {
  position: absolute;
  width: min(18vw, 14rem);
  height: 1px;
  top: 50%;
  background: linear-gradient(90deg, transparent, var(--line));
  content: "";
}

.signal-intro::before {
  left: 0;
}

.signal-intro::after {
  right: 0;
  transform: rotate(180deg);
}

.eyebrow,
.section-code {
  margin: 0;
  color: var(--steel-blue);
  font-family: var(--heading-font);
  font-size: 0.64rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
}

.signal-intro h1 {
  max-width: 17ch;
  margin: 1.25rem 0 0;
  color: var(--cold-white);
  font-family: var(--heading-font);
  font-size: clamp(2.2rem, 5.8vw, 6rem);
  font-stretch: condensed;
  font-weight: 300;
  line-height: 0.94;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.signal-copy {
  margin: 1.75rem 0 0;
  color: var(--chrome);
  font-size: clamp(0.9rem, 1.3vw, 1.08rem);
  font-weight: 300;
  letter-spacing: 0.06em;
}

.signal-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  width: min(32rem, 76vw);
  height: 3.5rem;
  margin-top: 2.8rem;
  gap: clamp(0.25rem, 0.8vw, 0.55rem);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.signal-divider span {
  display: block;
  width: 1px;
  height: 0.35rem;
  background: var(--steel-blue);
}

.signal-divider span:nth-child(2n) { height: 0.75rem; }
.signal-divider span:nth-child(3n) { height: 1.2rem; background: var(--chrome); }
.signal-divider span:nth-child(5n) { height: 1.8rem; background: var(--signal-red); }

.placeholder-section {
  width: min(100% - 3rem, var(--content-width));
  min-height: clamp(13rem, 22vw, 21rem);
  margin-inline: auto;
  padding: clamp(4rem, 8vw, 7rem) clamp(0rem, 2vw, 2rem);
  border-top: 1px solid var(--line);
}

.placeholder-section h2 {
  margin: 0.65rem 0 0;
  color: var(--chrome);
  font-family: var(--heading-font);
  font-size: clamp(2rem, 4vw, 4rem);
  font-stretch: condensed;
  font-weight: 300;
  line-height: 1;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.music-section {
  width: 100%;
  max-width: none;
  padding-top: 0;
  padding-inline: clamp(1.25rem, 5vw, 5rem);
}

.music-section > .section-code,
.music-section > h2,
.music-section > .music-carrier {
  width: min(100%, var(--content-width));
  margin-inline: auto;
}

.music-carrier {
  margin-top: 1rem;
  color: var(--steel-blue);
  font-family: var(--heading-font);
  font-size: 0.6rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.music-carrier span {
  margin-inline: 0.55rem;
  color: var(--signal-red);
}

.music-player-list {
  width: min(100%, 72rem);
  margin: clamp(3rem, 6vw, 5.5rem) auto 0;
  padding: clamp(1.25rem, 3vw, 2.25rem);
  border: 1px solid rgba(174, 184, 192, 0.3);
  background: rgba(2, 4, 6, 0.72);
  box-shadow:
    inset 0 1px rgba(174, 184, 192, 0.055),
    inset 1px 0 rgba(113, 134, 150, 0.04);
}

.music-signal-line {
  display: flex;
  align-items: center;
  height: 1.5rem;
  margin-bottom: 1rem;
}

.music-signal-line::before,
.music-signal-line::after {
  height: 1px;
  flex: 1;
  background: rgba(113, 134, 150, 0.28);
  content: "";
}

.music-signal-line span {
  width: 1px;
  height: 0.25rem;
  margin-inline: 0.2rem;
  background: rgba(174, 184, 192, 0.44);
}

.music-signal-line span:nth-child(2),
.music-signal-line span:nth-child(6) { height: 0.5rem; }
.music-signal-line span:nth-child(3),
.music-signal-line span:nth-child(5) { height: 0.85rem; }
.music-signal-line span:nth-child(4) { height: 1.2rem; background: var(--steel-blue); }

.music-player-actions {
  display: flex;
  justify-content: flex-end;
  padding: 0.25rem 0.25rem 1.25rem;
}

.music-play-all {
  min-width: 11rem;
  padding: 1rem 1.4rem;
  border: 1px solid rgba(238, 245, 248, 0.58);
  border-radius: 0;
  color: var(--cold-white);
  background: rgba(113, 134, 150, 0.12);
  box-shadow: inset 0 0 0 1px rgba(174, 184, 192, 0.05);
  cursor: pointer;
  font-family: var(--heading-font);
  font-size: 0.76rem;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  transition: color 150ms ease, border-color 150ms ease, background-color 150ms ease;
}

.music-play-all span {
  display: inline-grid;
  place-items: center;
  width: 1.15rem;
  height: 1.15rem;
  margin-left: 0.65rem;
  border: 1px solid rgba(143, 17, 24, 0.75);
  color: #e0a7aa;
  background: rgba(143, 17, 24, 0.2);
}

.music-play-all:hover,
.music-play-all:focus-visible {
  border-color: var(--cold-white);
  color: var(--cold-white);
  background: rgba(174, 184, 192, 0.16);
}

.music-play-all:focus-visible {
  outline: 2px solid var(--cold-white);
  outline-offset: 3px;
}

.music-track {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(17rem, 24rem);
  align-items: center;
  gap: clamp(1.5rem, 4vw, 4rem);
  min-width: 0;
  padding: clamp(1.35rem, 3vw, 2rem) clamp(0.25rem, 1vw, 0.75rem);
  border-top: 1px solid rgba(174, 184, 192, 0.16);
  transition: border-color 150ms ease;
}

.music-track:hover,
.music-track:focus-within {
  border-color: rgba(174, 184, 192, 0.44);
}

.music-track-identity {
  display: grid;
  grid-template-columns: 2.5rem minmax(0, 1fr);
  align-items: center;
  gap: clamp(0.9rem, 2vw, 1.5rem);
  min-width: 0;
}

.music-track-number {
  color: var(--steel-blue);
  font-family: var(--heading-font);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
}

.music-track-number::before {
  display: inline-block;
  width: 0.25rem;
  height: 0.25rem;
  margin-right: 0.6rem;
  border-radius: 50%;
  background: var(--signal-red);
  content: "";
  vertical-align: 0.1em;
}

.music-track h3 {
  margin: 0;
  overflow-wrap: anywhere;
  color: #d4dde2;
  font-family: var(--body-font);
  font-size: clamp(0.95rem, 1.4vw, 1.08rem);
  font-weight: 400;
  line-height: 1.35;
  letter-spacing: 0.025em;
}

.music-track:hover h3,
.music-track:focus-within h3 {
  color: var(--cold-white);
}

.music-track-identity p {
  margin: 0.4rem 0 0;
  color: var(--steel-blue);
  font-family: var(--heading-font);
  font-size: 0.56rem;
  line-height: 1.3;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.music-control {
  min-width: 0;
  padding: 0.4rem;
  border: 1px solid rgba(113, 134, 150, 0.18);
  background: rgba(0, 0, 0, 0.3);
}

.music-control audio {
  display: block;
  width: 100%;
  max-width: 100%;
  color-scheme: dark;
}

.transmission-section {
  width: 100%;
  max-width: none;
  padding-inline: clamp(1.25rem, 5vw, 5rem);
}

.lore-section {
  width: 100%;
  max-width: none;
  padding-inline: clamp(1.25rem, 5vw, 5rem);
}

.lore-section-header {
  width: min(100%, var(--content-width));
  margin-inline: auto;
}

.lore-section-header h2 {
  margin: 0.65rem 0 0;
}

.lore-sequence {
  margin: 1rem 0 0;
  color: var(--steel-blue);
  font-family: var(--heading-font);
  font-size: 0.6rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.lore-sequence span {
  margin-inline: 0.45rem;
  color: var(--signal-red);
}

.lore-timeline {
  position: relative;
  width: min(100%, 72rem);
  margin: clamp(3rem, 6vw, 5.5rem) auto clamp(4rem, 7vw, 7rem);
}

.lore-timeline::before {
  position: absolute;
  top: 1.35rem;
  bottom: 2.5rem;
  left: 1.9rem;
  width: 1px;
  background: rgba(174, 184, 192, 0.3);
  box-shadow: 0 0 0.45rem rgba(113, 134, 150, 0.12);
  content: "";
}

.lore-chapter {
  position: relative;
}

.lore-chapter + .lore-chapter {
  margin-top: clamp(2rem, 4vw, 3.5rem);
}

.lore-chapter-summary {
  display: grid;
  grid-template-columns: 3.8rem minmax(0, 1fr);
  align-items: start;
  gap: clamp(1.5rem, 4vw, 3.5rem);
  color: inherit;
  cursor: pointer;
  list-style: none;
}

.lore-chapter-summary::-webkit-details-marker {
  display: none;
}

.lore-chapter-summary::marker {
  content: "";
}

.lore-chapter-summary:focus-visible {
  outline: 1px solid var(--cold-white);
  outline-offset: 0.5rem;
}

.lore-chapter-summary:hover .lore-marker,
.lore-chapter-summary:focus-visible .lore-marker,
.lore-chapter[open] .lore-marker {
  border-color: rgba(238, 245, 248, 0.68);
  color: var(--cold-white);
}

.lore-chapter-summary:hover .lore-chapter-header h3,
.lore-chapter-summary:focus-visible .lore-chapter-header h3 {
  color: var(--cold-white);
}

.lore-marker {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 3.8rem;
  height: 2.7rem;
  border: 1px solid rgba(174, 184, 192, 0.42);
  color: var(--cold-white);
  background: rgba(2, 4, 6, 0.9);
  font-family: var(--heading-font);
  font-size: 0.64rem;
  letter-spacing: 0.18em;
}

.lore-marker::before {
  position: absolute;
  left: -0.18rem;
  width: 0.3rem;
  height: 0.3rem;
  border-radius: 50%;
  background: var(--signal-red);
  box-shadow: 0 0 0.35rem rgba(143, 17, 24, 0.38);
  content: "";
}

.lore-record {
  min-width: 0;
  margin: 0.75rem 0 0 calc(3.8rem + clamp(1.5rem, 4vw, 3.5rem));
  padding: clamp(2rem, 5vw, 4rem);
  border: 1px solid rgba(174, 184, 192, 0.26);
  background: rgba(2, 4, 6, 0.7);
  box-shadow: inset 0 0 0 1px rgba(113, 134, 150, 0.025);
}

.lore-chapter-image {
  display: grid;
  width: 100%;
  max-width: 48rem;
  aspect-ratio: 2 / 1;
  margin: 0;
  place-items: center;
  overflow: hidden;
  border: 1px solid rgba(174, 184, 192, 0.32);
  background: rgba(0, 0, 0, 0.72);
}

.lore-chapter-image img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.lore-chapter-image img[src="images/Chapter_8.jpg"] {
  transform: translateY(-3%) scale(1.06);
}

.lore-chapter-header p {
  margin: 0;
  color: var(--steel-blue);
  font-family: var(--heading-font);
  font-size: 0.64rem;
  letter-spacing: 0.26em;
  text-transform: uppercase;
}

.lore-chapter-header h3 {
  margin: 0.8rem 0 0;
  color: #d4dde2;
  font-family: var(--heading-font);
  font-size: clamp(1.8rem, 3vw, 3rem);
  font-stretch: condensed;
  font-weight: 300;
  line-height: 0.9;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.lore-chapter-action {
  display: inline-block;
  margin-top: 1.15rem;
  color: var(--chrome);
  font-family: var(--heading-font);
  font-size: 0.58rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.lore-close,
.lore-chapter[open] .lore-open {
  display: none;
}

.lore-chapter[open] .lore-close {
  display: inline;
}

.lore-copy {
  max-width: 48rem;
  margin-top: clamp(2.5rem, 5vw, 4rem);
  color: #c4cdd2;
  font-family: var(--body-font);
  font-size: clamp(0.98rem, 1.25vw, 1.08rem);
  font-weight: 300;
  line-height: 1.85;
}

.lore-copy p {
  margin: 0;
}

.lore-copy p + p {
  margin-top: 1.05em;
}

.lore-copy strong {
  color: var(--cold-white);
  font-weight: 500;
}

.lore-continues {
  position: relative;
  margin: 2.5rem 0 0 3.8rem;
  padding-left: clamp(1.5rem, 4vw, 3.5rem);
  color: var(--steel-blue);
  font-family: var(--heading-font);
  font-size: 0.58rem;
  letter-spacing: 0.26em;
  text-transform: uppercase;
}

.lore-continues::before {
  position: absolute;
  top: 50%;
  left: -0.18rem;
  width: 0.3rem;
  height: 0.3rem;
  border: 1px solid var(--steel-blue);
  background: var(--black);
  content: "";
  transform: translateY(-50%);
}

.transmission-section > .section-code,
.transmission-section > h2 {
  width: min(100%, var(--content-width));
  margin-inline: auto;
}

.transmission-archive {
  width: min(100%, 72rem);
  margin: clamp(3rem, 6vw, 5.5rem) auto 0;
}

.transmission-entry {
  margin-top: 0.75rem;
  border: 1px solid rgba(174, 184, 192, 0.28);
  background: rgba(2, 4, 6, 0.68);
  box-shadow: 0 1rem 3rem rgba(0, 0, 0, 0.18);
}

.transmission-entry:first-child {
  margin-top: 0;
}

.transmission-summary {
  display: grid;
  grid-template-columns: minmax(9.5rem, 1.2fr) minmax(8rem, 1.25fr) minmax(8rem, 1fr) minmax(6rem, 0.7fr) auto;
  align-items: center;
  min-height: 4.8rem;
  gap: 1rem;
  padding: 1.2rem clamp(1.25rem, 3vw, 2.25rem);
  color: var(--steel-blue);
  cursor: pointer;
  font-family: var(--heading-font);
  font-size: 0.65rem;
  line-height: 1.35;
  letter-spacing: 0.17em;
  list-style: none;
  text-transform: uppercase;
  transition: color 150ms ease, border-color 150ms ease, background-color 150ms ease;
}

.transmission-summary::-webkit-details-marker {
  display: none;
}

.transmission-summary::marker {
  content: "";
}

.transmission-summary:hover {
  color: var(--chrome);
  background: rgba(174, 184, 192, 0.025);
}

.transmission-summary:focus-visible {
  outline: 1px solid var(--cold-white);
  outline-offset: -4px;
  color: var(--cold-white);
}

.transmission-entry:hover,
.transmission-entry[open] {
  border-color: rgba(174, 184, 192, 0.48);
}

.transmission-summary-id,
.transmission-summary-title {
  color: var(--cold-white);
}

.transmission-summary-id {
  font-size: 0.72rem;
  letter-spacing: 0.22em;
}

.transmission-summary-title {
  font-size: 0.76rem;
}

.transmission-summary-status {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--chrome);
}

.transmission-summary-status::before {
  width: 0.28rem;
  height: 0.28rem;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--signal-red);
  box-shadow: 0 0 0.35rem rgba(143, 17, 24, 0.38);
  content: "";
}

.transmission-summary-action {
  justify-self: end;
  color: var(--chrome);
  white-space: nowrap;
}

.signal-close,
.transmission-entry[open] .signal-open {
  display: none;
}

.transmission-entry[open] .signal-close {
  display: inline;
}

.transmission {
  width: 100%;
  margin: 0;
  padding: clamp(2rem, 5vw, 4.75rem);
  border-top: 1px solid rgba(174, 184, 192, 0.24);
  background: rgba(2, 4, 6, 0.64);
  box-shadow:
    inset 0 0 0 1px rgba(113, 134, 150, 0.035);
}

.transmission-meta,
.transmission-readings {
  display: flex;
  margin: 0;
  padding: 0;
  font-family: var(--heading-font);
  font-size: 0.62rem;
  line-height: 1.35;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.transmission-meta {
  align-items: center;
  flex-wrap: wrap;
  gap: 0.85rem 0;
  color: var(--steel-blue);
}

.transmission-meta > div {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding-inline: clamp(0.8rem, 2vw, 1.5rem);
  border-left: 1px solid rgba(174, 184, 192, 0.15);
}

.transmission-meta > div:first-child {
  padding-left: 0;
  border-left: 0;
}

.transmission-meta dt,
.transmission-meta dd,
.transmission-readings dt,
.transmission-readings dd {
  margin: 0;
}

.transmission-meta dt::after,
.transmission-readings dt::after {
  content: ":";
}

.transmission-meta dd,
.transmission-readings dd {
  color: var(--chrome);
}

.transmission-meta-primary dd {
  color: var(--cold-white);
  font-size: 0.7rem;
  letter-spacing: 0.24em;
}

.transmission-status::before {
  width: 0.28rem;
  height: 0.28rem;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--signal-red);
  box-shadow: 0 0 0.4rem rgba(143, 17, 24, 0.45);
  content: "";
}

.transmission-title {
  margin: clamp(2.8rem, 6vw, 5rem) 0 clamp(1.8rem, 4vw, 3rem);
  color: #d4dde2;
  font-family: var(--heading-font);
  font-size: clamp(3.2rem, 8vw, 7rem);
  font-stretch: condensed;
  font-weight: 300;
  line-height: 0.88;
  letter-spacing: 0.105em;
  text-transform: uppercase;
}

.transmission-wave {
  display: flex;
  align-items: center;
  width: 100%;
  height: 1.25rem;
}

.transmission-wave::before,
.transmission-wave::after {
  height: 1px;
  flex: 1;
  background: rgba(113, 134, 150, 0.4);
  content: "";
}

.transmission-wave span {
  width: 1px;
  height: 0.35rem;
  margin-inline: 0.18rem;
  background: rgba(174, 184, 192, 0.58);
}

.transmission-wave span:nth-child(2) { height: 0.7rem; }
.transmission-wave span:nth-child(3) { height: 1.15rem; background: var(--steel-blue); }
.transmission-wave span:nth-child(4) { height: 0.55rem; }
.transmission-wave span:nth-child(5) { height: 0.25rem; }

.transmission-body {
  max-width: 43rem;
  min-height: 13rem;
  padding-block: clamp(3rem, 6vw, 5.5rem);
  color: #c4cdd2;
  font-size: clamp(1rem, 1.4vw, 1.1rem);
  font-weight: 300;
  line-height: 1.9;
  letter-spacing: 0.015em;
}

.transmission-body p {
  margin: 0;
}

.transmission-body p + p {
  margin-top: 1.15em;
}

.transmission-footer {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
  padding-top: 1.4rem;
  border-top: 1px solid rgba(113, 134, 150, 0.28);
}

.transmission-readings {
  flex-wrap: wrap;
  gap: 0.65rem clamp(1rem, 3vw, 2.5rem);
  color: var(--steel-blue);
}

.transmission-readings > div {
  display: flex;
  gap: 0.4rem;
}

.transmission-end {
  flex: 0 0 auto;
  margin: 0;
  color: var(--chrome);
  font-family: var(--heading-font);
  font-size: 0.62rem;
  line-height: 1.35;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.gallery-section {
  width: min(100% - 3rem, var(--content-width));
  padding-bottom: clamp(6rem, 10vw, 10rem);
}

.gallery-subheading {
  margin: 0.85rem 0 0;
  color: var(--steel-blue);
  font-family: var(--heading-font);
  font-size: 0.66rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
}

.gallery-hero {
  width: 100%;
  margin: clamp(2.5rem, 5vw, 4rem) 0 0;
  border: 1px solid rgba(174, 184, 192, 0.3);
  background: rgba(2, 4, 6, 0.58);
}

.gallery-hero img {
  display: block;
  width: 100%;
  height: auto;
  border-bottom: 1px solid rgba(174, 184, 192, 0.18);
}

.gallery-hero figcaption {
  padding: 0.7rem 0.9rem 0.8rem;
}

.gallery-hero-meta {
  display: flex;
  align-items: baseline;
  gap: 0.8rem;
  margin: 0;
  font-family: var(--heading-font);
  line-height: 1.3;
  text-transform: uppercase;
}

.gallery-hero-meta span {
  color: var(--steel-blue);
  font-size: 0.56rem;
  letter-spacing: 0.24em;
}

.gallery-hero-meta strong {
  color: var(--chrome);
  font-size: 0.67rem;
  font-weight: 400;
  letter-spacing: 0.16em;
}

.gallery-hero-copy {
  max-width: 66rem;
  margin: 0.75rem auto 0;
  padding-left: 0.9rem;
  border-left: 1px solid rgba(113, 134, 150, 0.48);
  color: #b9c3c9;
  font-family: var(--body-font);
  font-size: clamp(0.76rem, 1.05vw, 0.86rem);
  font-weight: 300;
  line-height: 1.45;
  text-align: center;
}

.gallery-hero-copy p {
  margin: 0;
}

.gallery-hero-copy p + p {
  margin-top: 0.35em;
}

.gallery-hero-copy strong {
  color: var(--cold-white);
  font-weight: 500;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(1.25rem, 2.5vw, 2.25rem);
  margin-top: clamp(3rem, 6vw, 5rem);
}

.gallery-item {
  min-width: 0;
  margin: 0;
  border: 1px solid rgba(174, 184, 192, 0.24);
  background: rgba(2, 4, 6, 0.58);
  box-shadow: 0 1rem 2.5rem rgba(0, 0, 0, 0.16);
  transition: border-color 150ms ease;
}

.gallery-item:hover {
  border-color: rgba(174, 184, 192, 0.48);
}

.gallery-placeholder,
.gallery-image {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  border-bottom: 1px solid rgba(174, 184, 192, 0.18);
  background-color: rgba(3, 6, 8, 0.62);
}

.gallery-image {
  height: auto;
  object-fit: cover;
}

.gallery-image-contain {
  object-fit: contain;
}

.gallery-media-square {
  aspect-ratio: 1;
}

.gallery-placeholder {
  display: grid;
  place-items: center;
  color: rgba(113, 134, 150, 0.65);
  background-image:
    linear-gradient(45deg, transparent 49.8%, rgba(113, 134, 150, 0.08) 50%, transparent 50.2%),
    linear-gradient(-45deg, transparent 49.8%, rgba(113, 134, 150, 0.08) 50%, transparent 50.2%);
  font-family: var(--heading-font);
  font-size: 0.58rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
}

.gallery-item figcaption {
  display: grid;
  gap: 0.25rem;
  padding: 1rem 1.1rem 1.15rem;
  font-family: var(--heading-font);
  line-height: 1.3;
  text-transform: uppercase;
}

.gallery-item figcaption span {
  color: var(--steel-blue);
  font-size: 0.56rem;
  letter-spacing: 0.24em;
}

.gallery-item figcaption strong {
  color: var(--chrome);
  font-size: 0.67rem;
  font-weight: 400;
  letter-spacing: 0.16em;
}

.gallery-hero > img,
.gallery-item > img,
.lore-chapter-image > img {
  cursor: zoom-in;
}

.gallery-hero > img:focus-visible,
.gallery-item > img:focus-visible,
.lore-chapter-image > img:focus-visible {
  outline: 2px solid var(--cold-white);
  outline-offset: -4px;
}

.gallery-lightbox {
  width: min(94vw, 100rem);
  max-width: none;
  max-height: 94vh;
  margin: auto;
  padding: 0;
  overflow: hidden;
  border: 1px solid rgba(238, 245, 248, 0.52);
  border-radius: 0;
  color: var(--chrome);
  background: #010203;
  box-shadow: 0 1.5rem 5rem rgba(0, 0, 0, 0.72);
}

.gallery-lightbox::backdrop {
  background: rgba(0, 0, 0, 0.88);
}

.gallery-lightbox-frame {
  position: relative;
  display: grid;
  place-items: center;
}

.gallery-lightbox-image {
  display: block;
  width: auto;
  max-width: 100%;
  height: auto;
  max-height: calc(94vh - 4.25rem);
  object-fit: contain;
}

.gallery-lightbox-close {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  z-index: 2;
  padding: 0.65rem 0.8rem;
  border: 1px solid rgba(238, 245, 248, 0.56);
  border-radius: 0;
  color: var(--cold-white);
  background: rgba(1, 2, 3, 0.9);
  cursor: pointer;
  font-family: var(--heading-font);
  font-size: 0.6rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.gallery-lightbox-close:hover,
.gallery-lightbox-close:focus-visible {
  border-color: var(--cold-white);
  background: rgba(17, 23, 28, 0.96);
}

.gallery-lightbox-close span {
  margin-left: 0.4rem;
  color: #e0a7aa;
  font-size: 0.9rem;
}

.gallery-lightbox-nav {
  position: absolute;
  top: 50%;
  z-index: 2;
  min-width: 5.5rem;
  padding: 0.8rem 0.9rem;
  border: 1px solid rgba(238, 245, 248, 0.52);
  border-radius: 0;
  color: var(--cold-white);
  background: rgba(1, 2, 3, 0.88);
  cursor: pointer;
  font-family: var(--heading-font);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  transform: translateY(-50%);
}

.gallery-lightbox-back {
  left: 0.75rem;
}

.gallery-lightbox-next {
  right: 0.75rem;
}

.gallery-lightbox-nav:hover,
.gallery-lightbox-nav:focus-visible {
  border-color: var(--cold-white);
  background: rgba(17, 23, 28, 0.96);
}

.gallery-lightbox-nav span {
  color: #e0a7aa;
  font-size: 1rem;
}

.gallery-lightbox-caption {
  width: 100%;
  margin: 0;
  padding: 0.9rem 1rem 1rem;
  border-top: 1px solid rgba(174, 184, 192, 0.2);
  color: var(--chrome);
  font-family: var(--heading-font);
  font-size: 0.64rem;
  letter-spacing: 0.18em;
  text-align: center;
  text-transform: uppercase;
}

@media (max-width: 60rem) {
  .gallery-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.visual-record-notice {
  width: min(calc(100% - 3rem), 72rem);
  margin: clamp(2rem, 5vw, 4rem) auto;
  padding: clamp(1.25rem, 3vw, 2rem);
  border: 1px solid rgba(174, 184, 192, 0.3);
  background: rgba(2, 4, 6, 0.72);
  color: #b9c3c9;
  text-align: center;
}

.visual-record-notice h2 {
  margin: 0;
  color: #cf676d;
  font-family: var(--heading-font);
  font-size: 0.68rem;
  font-weight: 400;
  letter-spacing: 0.24em;
  text-transform: uppercase;
}

.visual-record-notice-copy {
  max-width: 66ch;
  margin: 1rem auto 0;
  font-family: var(--body-font);
  font-size: clamp(0.88rem, 1.2vw, 0.98rem);
  line-height: 1.65;
}

.visual-record-notice-copy p {
  margin: 0;
}

.visual-record-notice-copy p + p {
  margin-top: 0.7em;
}

.visual-record-notice-copy strong {
  color: #d5dde2;
  font-weight: 500;
}

.visual-record-notice-statement {
  margin: 1.25rem 0 0;
  color: var(--cold-white);
  font-family: var(--heading-font);
  font-size: clamp(0.72rem, 1.1vw, 0.82rem);
  font-weight: 400;
  line-height: 1.65;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.site-footer {
  padding: clamp(2.5rem, 5vw, 4rem) 1.5rem 1.5rem;
  border-top: 1px solid var(--line);
  color: var(--steel-blue);
  font-family: var(--heading-font);
  text-align: center;
  text-transform: uppercase;
}

.footer-inner {
  width: min(100%, 72rem);
  margin-inline: auto;
}

.footer-signal {
  display: flex;
  align-items: center;
  height: 1rem;
  margin-bottom: 1.5rem;
}

.footer-signal::before,
.footer-signal::after {
  height: 1px;
  flex: 1;
  background: rgba(174, 184, 192, 0.24);
  content: "";
}

.footer-signal span {
  width: 1px;
  height: 0.25rem;
  margin-inline: 0.2rem;
  background: var(--steel-blue);
}

.footer-signal span:nth-child(2),
.footer-signal span:nth-child(4) { height: 0.5rem; }
.footer-signal span:nth-child(3) { height: 0.8rem; background: var(--signal-red); }

.footer-heading,
.footer-signoff {
  margin: 0;
}

.footer-heading {
  color: var(--cold-white);
  font-size: 0.78rem;
  letter-spacing: 0.28em;
}

.footer-channels {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 1.5rem;
  border-top: 1px solid rgba(174, 184, 192, 0.34);
  border-bottom: 1px solid rgba(174, 184, 192, 0.34);
}

.footer-channel {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  min-width: 0;
  min-height: 8rem;
  padding: 1.35rem 1rem;
  border-left: 1px solid rgba(174, 184, 192, 0.14);
  color: var(--chrome);
  text-decoration: none;
  transition: color 150ms ease, border-color 150ms ease, background-color 150ms ease;
}

.footer-channel:first-child {
  border-left: 0;
}

.footer-channel::before {
  width: 0.25rem;
  height: 0.25rem;
  margin-bottom: 0.75rem;
  border-radius: 50%;
  background: var(--signal-red);
  box-shadow: 0 0 0.3rem rgba(143, 17, 24, 0.3);
  content: "";
}

.footer-channel:hover,
.footer-channel:focus-visible {
  color: var(--cold-white);
  border-color: rgba(174, 184, 192, 0.42);
  background: rgba(174, 184, 192, 0.025);
}

.footer-channel-type {
  color: #93a7b5;
  font-size: 0.62rem;
  letter-spacing: 0.2em;
}

.footer-channel strong {
  margin-top: 0.5rem;
  color: var(--cold-white);
  font-size: 0.88rem;
  font-weight: 400;
  letter-spacing: 0.14em;
}

.footer-email {
  max-width: 100%;
  margin-top: 0.35rem;
  overflow-wrap: anywhere;
  color: var(--chrome);
  font-family: var(--body-font);
  font-size: 0.76rem;
  letter-spacing: 0.05em;
  text-transform: none;
}

.footer-signoff {
  padding-top: 1.5rem;
  color: var(--chrome);
  font-size: 0.68rem;
  letter-spacing: 0.2em;
}

.footer-signoff span {
  margin-inline: 0.6rem;
  color: var(--signal-red);
}

.signal-intro,
.placeholder-section {
  padding-top: 0;
  padding-bottom: 0;
}

@media (max-width: 43rem) {
  html {
    scroll-padding-top: 7rem;
  }

  .site-nav {
    flex-direction: column;
    width: 100%;
    min-height: auto;
    padding-top: 1rem;
    gap: 0.65rem;
  }

  .nav-links {
    justify-content: center;
    width: 100%;
    gap: clamp(0.85rem, 4vw, 1.5rem);
    border-top: 1px solid var(--line);
  }

  .nav-links a {
    padding-block: 0.9rem;
    font-size: clamp(0.56rem, 2.3vw, 0.65rem);
    letter-spacing: 0.1em;
  }

  .signal-intro {
    min-height: 0;
  }

  .signal-intro::before,
  .signal-intro::after {
    display: none;
  }

  .transmission-section {
    padding-inline: 1rem;
  }

  .lore-section {
    padding-inline: 1rem;
  }

  .lore-timeline {
    margin-top: 2.5rem;
  }

  .lore-timeline::before {
    left: 0.85rem;
  }

  .lore-chapter {
    display: block;
  }

  .lore-chapter-summary {
    grid-template-columns: 1.7rem minmax(0, 1fr);
    gap: 0.85rem;
  }

  .lore-marker {
    width: 1.7rem;
    height: 2.4rem;
    font-size: 0.54rem;
    letter-spacing: 0.08em;
  }

  .lore-marker::before {
    display: none;
  }

  .lore-record {
    margin-left: 2.55rem;
    padding: 1.5rem;
  }

  .lore-chapter-header h3 {
    font-size: clamp(1.5rem, 7vw, 2.2rem);
  }

  .lore-copy {
    margin-top: 2.25rem;
    font-size: 0.98rem;
    line-height: 1.75;
  }

  .lore-continues {
    margin-left: 1.7rem;
    padding-left: 0.85rem;
    overflow-wrap: anywhere;
  }

  .transmission-archive {
    margin-top: 2.5rem;
  }

  .gallery-lightbox {
    width: calc(100vw - 1.5rem);
    max-height: calc(100vh - 1.5rem);
  }

  .gallery-lightbox-image {
    max-height: calc(100vh - 5.75rem);
  }

  .gallery-lightbox-nav {
    min-width: 4.75rem;
    padding: 0.7rem 0.65rem;
    font-size: 0.56rem;
  }

  .gallery-lightbox-back {
    left: 0.4rem;
  }

  .gallery-lightbox-next {
    right: 0.4rem;
  }

  .transmission-summary {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 0.65rem 1rem;
    padding: 1.15rem;
  }

  .transmission-summary-id,
  .transmission-summary-title {
    min-width: 0;
  }

  .transmission-summary-title {
    justify-self: end;
    overflow-wrap: anywhere;
    text-align: right;
  }

  .transmission-summary-class,
  .transmission-summary-status {
    grid-row: 2;
  }

  .transmission-summary-status {
    justify-self: end;
  }

  .transmission-summary-action {
    grid-column: 1 / -1;
    grid-row: 3;
    justify-self: start;
    margin-top: 0.35rem;
  }

  .transmission {
    margin: 0;
    padding: 1.6rem;
  }

  .transmission-meta {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
  }

  .transmission-meta > div,
  .transmission-meta > div:first-child {
    min-width: 0;
    padding: 0.65rem 0;
    border-left: 0;
    border-bottom: 1px solid rgba(174, 184, 192, 0.12);
  }

  .transmission-meta dd {
    overflow-wrap: anywhere;
  }

  .transmission-title {
    margin-top: 3rem;
    font-size: clamp(2.7rem, 15vw, 4.5rem);
    letter-spacing: 0.06em;
  }

  .transmission-body {
    min-height: 11rem;
    padding-block: 3.5rem;
  }

  .transmission-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .transmission-readings {
    display: grid;
    gap: 0.65rem;
  }

  .gallery-section {
    width: calc(100% - 2rem);
  }

  .gallery-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
    margin-top: 2.5rem;
  }

  .music-section {
    padding-inline: 1rem;
  }

  .music-player-list {
    margin-top: 2.5rem;
    padding: 1rem;
  }

  .music-player-actions {
    padding-inline: 0;
  }

  .music-play-all {
    width: 100%;
  }

  .music-track {
    grid-template-columns: 1fr;
    gap: 1.25rem;
    padding-block: 1.5rem;
  }

  .music-track-identity {
    grid-template-columns: 2.25rem minmax(0, 1fr);
  }

  .music-control audio {
    min-width: 0;
  }

  .site-footer {
    padding-inline: 1rem;
  }

  .footer-channels {
    grid-template-columns: 1fr;
  }

  .footer-channel,
  .footer-channel:first-child {
    min-height: 0;
    border-left: 0;
    border-top: 1px solid rgba(174, 184, 192, 0.14);
  }

  .footer-channel:first-child {
    border-top: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}