:root {
  --ink: #080a0b;
  --paper: #d9d4c8;
  --paper-dark: #b9b3a6;
  --white: #f4f1e9;
  --muted: #a9a59c;
  --red: #c43a2e;
  --red-bright: #e14c3e;
  --rule: rgba(230, 226, 216, .19);
  --side: 17rem;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--ink); }
body {
  margin: 0;
  color: var(--white);
  background: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 50;
  pointer-events: none;
  opacity: .085;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 160 160' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.84' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.7'/%3E%3C/svg%3E");
  mix-blend-mode: soft-light;
}
a { color: inherit; }
button { font: inherit; }
img { display: block; max-width: 100%; }

.read-progress { position: fixed; inset: 0 0 auto; height: 2px; z-index: 100; background: rgba(255,255,255,.06); }
.read-progress span { display: block; height: 100%; width: 0; background: var(--red-bright); }

.topbar {
  position: fixed;
  inset: 0 0 auto;
  z-index: 30;
  height: 4.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2.2rem;
  background: linear-gradient(to bottom, rgba(5,7,8,.9), transparent);
}
.brand { display: flex; align-items: center; gap: .8rem; text-decoration: none; text-transform: uppercase; letter-spacing: .12em; font-size: .68rem; }
.brand img { filter: grayscale(1) brightness(1.8); }
.brand b { font-weight: 800; }
.brand span { color: #b6b4ae; }
.brand span b { color: #fff; }
.topbar-actions {
  position: fixed;
  top: 0;
  right: 2.2rem;
  z-index: 31;
  height: 4.5rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
}
.return-site {
  color: #b6b4ae;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: .14em;
  font-size: .62rem;
  font-weight: 750;
  transition: color .2s ease;
}
.return-site:hover, .return-site:focus-visible { color: #fff; }
.contents-toggle { display: none; border: 0; background: none; color: #fff; text-transform: uppercase; letter-spacing: .15em; font-size: .65rem; }
.contents-close { display: none; position: absolute; top: 1.1rem; right: 1.1rem; width: 2.25rem; height: 2.25rem; border: 1px solid rgba(255,255,255,.16); background: rgba(0,0,0,.16); color: #d8d5cd; font: 300 1.5rem/1 sans-serif; cursor: pointer; }
.contents-close:hover, .contents-close:focus-visible { color: #fff; border-color: rgba(255,255,255,.42); }

.contents {
  position: fixed;
  z-index: 20;
  inset: 4.5rem auto 0 0;
  width: var(--side);
  padding: 5.5rem 2rem 2rem;
  background: rgba(8,10,11,.82);
  border-right: 1px solid rgba(255,255,255,.08);
  backdrop-filter: blur(22px);
  overflow-y: auto;
}
.eyebrow { margin: 0 0 1rem; color: var(--red-bright); font-size: .68rem; font-weight: 750; letter-spacing: .18em; text-transform: uppercase; }
.contents-title { font-family: Georgia, "Times New Roman", serif; font-size: 1.65rem; line-height: 1.05; margin: 0 0 3rem; }
.contents nav { display: grid; gap: .4rem; }
.contents nav a { position: relative; padding: .75rem 0 .75rem 2.5rem; color: #777873; text-decoration: none; font-size: .73rem; letter-spacing: .06em; transition: color .25s ease; }
.contents nav a span { position: absolute; left: 0; color: #484a47; font-variant-numeric: tabular-nums; }
.contents nav a::before { content: ""; position: absolute; left: -2rem; top: 50%; width: 0; height: 1px; background: var(--red); transition: width .25s ease; }
.contents nav a:hover, .contents nav a.active { color: #fff; }
.contents nav a.active::before { width: 1.3rem; }
.contents nav a.active span { color: var(--red-bright); }
.faction-switcher { display: block; margin-top: 1.5rem; padding-top: 1.25rem; border-top: 1px solid var(--rule); color: #777873; text-decoration: none; }
.faction-switcher span { display: block; margin-bottom: .45rem; font-size: .52rem; letter-spacing: .15em; text-transform: uppercase; }
.faction-switcher b { color: #d8d5cd; font-family: Georgia, serif; font-size: 1rem; font-weight: 400; }
.faction-switcher:hover b { color: #fff; }
.volume-status { position: absolute; inset: auto 2rem 2.2rem; padding-top: 1rem; border-top: 1px solid var(--rule); color: #777873; font-size: .61rem; text-transform: uppercase; letter-spacing: .14em; }
.volume-status strong { display: block; margin-top: .45rem; color: #c9c7c0; font-size: .68rem; }

main { margin-left: var(--side); overflow: clip; }
.full-bleed { min-height: 100svh; }
.cover { position: relative; display: grid; align-items: end; isolation: isolate; }
.cover-image { position: absolute; inset: 0; z-index: -3; background: url('assets/ic-biome.png') center / cover no-repeat; transform: scale(1.015); }
.cover-vignette { position: absolute; inset: 0; z-index: -2; background: linear-gradient(90deg, rgba(3,5,6,.93) 0%, rgba(3,5,6,.46) 45%, rgba(3,5,6,.08) 72%), linear-gradient(0deg, rgba(3,5,6,.8), transparent 45%); }
.cover-copy { width: min(44rem, 73%); padding: 8rem 5.5vw 7.5vh; }
.folio { margin: 0 0 8vh; color: #b8b5ad; font-size: .66rem; letter-spacing: .2em; text-transform: uppercase; }
.cover-emblem { width: 4.5rem; height: 4.5rem; margin-bottom: 1.4rem; filter: brightness(1.35); }
.cover h1, .chapter h2, .dialog-copy h2 { margin: 0; font-family: Georgia, "Times New Roman", serif; font-weight: 400; letter-spacing: -.055em; }
.cover h1 { font-size: clamp(4.8rem, 11vw, 9rem); line-height: .72; }
.cover .dek { max-width: 33rem; margin: 2.7rem 0; color: #d4d0c5; font-family: Georgia, serif; font-size: clamp(1.15rem, 2vw, 1.65rem); line-height: 1.45; }
.begin { display: inline-flex; gap: 1rem; align-items: center; color: #fff; text-decoration: none; text-transform: uppercase; letter-spacing: .17em; font-size: .67rem; font-weight: 800; }
.begin span { color: var(--red-bright); font-size: 1rem; }
.vertical-label { position: absolute; right: 2.2rem; bottom: 3.5rem; margin: 0; writing-mode: vertical-rl; color: rgba(255,255,255,.45); text-transform: uppercase; font-size: .54rem; letter-spacing: .22em; }

.chapter { position: relative; min-height: 100svh; padding: clamp(6rem, 11vw, 10rem) 6vw; border-top: 1px solid rgba(255,255,255,.08); }
.chapter-heading { display: grid; grid-template-columns: 1fr 1fr; column-gap: 8vw; align-items: end; }
.chapter-heading .eyebrow { grid-column: 1 / -1; }
.chapter h2 { font-size: clamp(3.6rem, 7vw, 7.4rem); line-height: .9; }
.intro { max-width: 42rem; color: #bbb8af; font-family: Georgia, serif; font-size: clamp(1.2rem, 1.9vw, 1.65rem); line-height: 1.55; }

.dossier { background: #0b0d0e; }
.dossier-grid { display: grid; grid-template-columns: 1.08fr .92fr; gap: 5vw; align-items: center; margin: 8rem 0 5rem; }
.portrait-plate { position: relative; margin: 0; min-height: 36rem; display: grid; align-items: center; background: radial-gradient(circle, rgba(184,49,39,.25), transparent 55%), linear-gradient(145deg, #16191a, #090a0b); border: 1px solid var(--rule); overflow: hidden; }
.portrait-plate::before { content: ""; position: absolute; inset: 1.1rem; border: 1px solid rgba(255,255,255,.07); }
.portrait-plate img { width: 86%; margin: auto; filter: drop-shadow(0 2rem 2rem rgba(0,0,0,.55)); }
.plate-mark { position: absolute; top: 1.8rem; left: 2rem; color: #8c8c87; font-size: .58rem; letter-spacing: .15em; }
.portrait-plate figcaption { position: absolute; inset: auto 2rem 1.8rem; font-size: .67rem; letter-spacing: .08em; text-transform: uppercase; }
.portrait-plate figcaption i { color: #858681; font-style: normal; font-size: .56rem; }
.specimen-data dl { margin: 0; }
.specimen-data dl div { display: grid; grid-template-columns: 9.5rem 1fr; gap: 1rem; padding: 1.2rem 0; border-bottom: 1px solid var(--rule); }
dt { color: #787a76; font-size: .61rem; font-weight: 700; letter-spacing: .13em; text-transform: uppercase; }
dd { margin: 0; color: #e1ded6; font-family: Georgia, serif; font-size: 1.05rem; }
blockquote { margin: 4rem 0 0; padding-left: 2rem; border-left: 2px solid var(--red); color: #ddd9cf; font-family: Georgia, serif; font-size: 1.45rem; line-height: 1.45; }
blockquote cite { display: block; margin-top: 1.2rem; color: #777873; font-family: sans-serif; font-size: .56rem; font-style: normal; letter-spacing: .12em; text-transform: uppercase; }
.doctrine-strip { display: grid; grid-template-columns: repeat(4, 1fr); border-block: 1px solid var(--rule); }
.doctrine-strip > div { display: flex; align-items: center; gap: 1rem; padding: 2rem 1.2rem; border-right: 1px solid var(--rule); }
.doctrine-strip > div:last-child { border: 0; }
.doctrine-strip span { color: var(--red-bright); font-family: Georgia, serif; font-size: 2.4rem; }
.doctrine-strip p { margin: 0; font-size: .73rem; font-weight: 750; letter-spacing: .08em; text-transform: uppercase; }
.doctrine-strip small { color: #71736f; font-weight: 500; font-size: .55rem; }
.doctrine-strip .negative span { color: #8d8d88; }

.extinction { display: grid; grid-template-columns: 1.15fr .85fr; gap: 5vw; align-items: center; background: #d7d1c4; color: #111314; }
.planet-stage { position: relative; min-height: 70vh; margin-left: -6vw; display: grid; align-items: center; overflow: hidden; background: #111; }
.planet-stage img { width: 100%; height: 70vh; object-fit: cover; object-position: 62% center; filter: saturate(.88) contrast(1.08); }
.planet-stage::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, transparent 55%, rgba(0,0,0,.22)), linear-gradient(0deg, rgba(0,0,0,.55), transparent 32%); pointer-events: none; }
.planet-caption { position: absolute; left: 2.3rem; bottom: 2.2rem; color: rgba(255,255,255,.62); font-size: .58rem; letter-spacing: .13em; text-transform: uppercase; }
.planet-caption b { color: #fff; }
.extinction-copy .eyebrow { color: #9e2f26; }
.extinction-copy p:not(.eyebrow) { color: #494a47; font-family: Georgia, serif; font-size: 1.05rem; line-height: 1.72; }
.pull-stat { margin-top: 3rem; padding: 1.8rem 0; border-block: 1px solid rgba(10,10,10,.25); }
.pull-stat span { color: #8a3029; font-size: .6rem; letter-spacing: .16em; text-transform: uppercase; }
.pull-stat strong { display: block; margin-top: .7rem; font-family: Georgia, serif; font-size: 1.35rem; font-weight: 400; line-height: 1.4; }
.belt-plate { margin: 2rem 0 0; padding: .55rem .55rem 1rem; background: #111516; box-shadow: 0 1rem 2rem rgba(0,0,0,.18); }
.belt-plate img { display: block; width: 100%; aspect-ratio: 16 / 9; object-fit: cover; object-position: center 26%; }
.belt-plate figcaption { display: flex; justify-content: space-between; gap: 1rem; padding: .85rem .35rem 0; color: #c7c3b9; font-size: .55rem; letter-spacing: .1em; text-transform: uppercase; }
.belt-plate figcaption span { color: #747772; text-align: right; }

.sanctums { display: grid; grid-template-columns: .8fr 1.2fr; gap: 3vw; align-items: center; min-height: 110svh; background: radial-gradient(circle at 70% 40%, #35100d, #0a0c0d 48%); }
.sanctum-copy { z-index: 2; }
.sanctum-copy .intro { font-size: 1.25rem; }
.annotation { display: grid; grid-template-columns: 2.2rem 1fr; gap: 1rem; margin-top: 2rem; max-width: 24rem; padding-top: 1rem; border-top: 1px solid var(--rule); }
.annotation b { color: var(--red-bright); font-size: .65rem; }
.annotation span { font-size: .67rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.annotation i { color: #737570; font-size: .58rem; font-weight: 400; font-style: normal; text-transform: none; letter-spacing: .02em; }
.sanctum-figure { position: relative; margin: 0 -3vw 0 0; }
.sanctum-figure::before { content: ""; position: absolute; inset: 7%; border: 1px solid rgba(235,78,64,.26); transform: rotate(45deg); }
.sanctum-figure img { position: relative; z-index: 1; width: 100%; filter: drop-shadow(0 3rem 4rem #000); }
.sanctum-figure figcaption { text-align: center; color: #6f706c; font-size: .54rem; letter-spacing: .16em; text-transform: uppercase; }
.scanline { position: absolute; z-index: 2; left: 12%; right: 12%; top: 44%; height: 1px; background: rgba(255,83,67,.6); box-shadow: 0 0 16px #ff4e3c; }
.archive-note { max-width: 24rem; margin-top: 2.5rem; padding: 1.25rem 1.4rem; border: 1px solid rgba(255,255,255,.12); border-left: 2px solid var(--red); background: rgba(0,0,0,.18); }
.archive-note span { color: var(--red-bright); font-size: .55rem; font-weight: 750; letter-spacing: .17em; text-transform: uppercase; }
.archive-note p { margin: .65rem 0 0; color: #9b9992; font-family: Georgia, serif; font-size: .87rem; font-style: italic; line-height: 1.5; }

.fleet { background: #cfc9bd; color: #101213; }
.fleet .eyebrow { color: #9e3027; }
.fleet-heading { display: grid; grid-template-columns: 1.2fr .8fr; gap: 7vw; align-items: end; }
.fleet-heading > p { margin: 0; color: #52534f; font-family: Georgia, serif; font-size: 1.1rem; line-height: 1.65; }
.fleet-roster { margin-top: 6rem; }
.fleet-group + .fleet-group { margin-top: 5rem; }
.fleet-group-heading { display: flex; align-items: end; justify-content: space-between; margin-bottom: 1.2rem; padding-bottom: .9rem; border-bottom: 1px solid rgba(20,20,20,.28); }
.fleet-group-heading span, .fleet-group-heading b { color: #786e65; font-size: .55rem; font-weight: 750; letter-spacing: .16em; text-transform: uppercase; }
.fleet-group-heading h3 { margin: .35rem 0 0; font-family: Georgia, serif; font-size: clamp(1.8rem, 3vw, 2.8rem); font-weight: 400; letter-spacing: -.035em; }
.fleet-cards { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: .75rem; }
.utility-group .fleet-cards { grid-template-columns: minmax(11rem, 13rem); }
.ship-card { position: relative; min-height: 22rem; padding: 1rem; display: flex; flex-direction: column; text-align: left; color: #171818; background: rgba(239,235,224,.45); border: 1px solid rgba(20,20,20,.2); cursor: pointer; transition: transform .35s ease, background .35s ease, box-shadow .35s ease; overflow: hidden; }
.ship-card:hover, .ship-card:focus-visible { transform: translateY(-.45rem); background: rgba(245,241,231,.78); box-shadow: 0 1.2rem 2.2rem rgba(61,45,34,.16); }
.ship-card:focus-visible { outline: 2px solid #9e3027; outline-offset: 2px; }
.ship-card.featured { background: #181a1b; color: #eeeae0; }
.ship-card img { width: 100%; height: 10rem; margin: 1.15rem auto 1rem; object-fit: contain; filter: drop-shadow(0 1rem 1rem rgba(0,0,0,.32)); transition: transform .4s ease; }
.ship-card:hover img { transform: scale(1.06); }
.ship-number { font-size: .58rem; letter-spacing: .16em; }
.ship-class { color: #7b3a33; font-size: .57rem; letter-spacing: .12em; text-transform: uppercase; }
.featured .ship-class { color: #d75a4e; }
.ship-card strong { margin: .35rem 0 2rem; font-family: Georgia, serif; font-size: clamp(1.15rem, 1.7vw, 1.45rem); font-weight: 400; line-height: 1.05; }
.inspect { position: absolute; right: 1rem; bottom: 1rem; color: #777772; font-size: .5rem; letter-spacing: .1em; text-transform: uppercase; }

.archive { min-height: 120svh; background: #111314; }
.archive-heading { max-width: 54rem; }
.archive-heading .intro { margin-left: 28%; }
.archive-board { position: relative; min-height: 72rem; margin-top: 4rem; padding: 3rem; background: #b9b09f; background-image: linear-gradient(rgba(40,36,31,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(40,36,31,.08) 1px, transparent 1px); background-size: 28px 28px; box-shadow: 0 2rem 4rem #000; transform: rotate(-.35deg); }
.archive-item { position: absolute; margin: 0; padding: .7rem .7rem 2.8rem; background: #ded9cc; box-shadow: 0 1rem 2rem rgba(30,25,20,.25); }
.archive-item img { width: 100%; background: #131516; }
.archive-item figcaption { padding: .8rem .3rem 0; color: #242524; font-size: .58rem; text-transform: uppercase; letter-spacing: .09em; }
.archive-item figcaption span { display: block; margin-top: .25rem; color: #777268; font-size: .52rem; }
.sketch-study-one { z-index: 1; width: 44%; left: 4%; top: 5%; transform: rotate(-4deg); }
.sketch-study-two { z-index: 3; width: 43%; right: 4%; top: 7%; transform: rotate(3deg); }
.sketch-study-three { z-index: 4; width: 46%; left: 11%; bottom: 5%; transform: rotate(2deg); }
.sketch-study-four { z-index: 2; width: 42%; right: 8%; bottom: 4%; transform: rotate(-3.5deg); }
.pencil-note { position: absolute; z-index: 5; left: 50%; top: 48%; max-width: 16rem; margin: 0; padding: 1rem 1.2rem; color: #4d4a44; background: rgba(221,213,196,.92); box-shadow: 0 .7rem 1.5rem rgba(35,29,22,.18); font-family: Georgia, serif; font-style: italic; line-height: 1.45; transform: translate(-50%, -50%) rotate(-2deg); }
.concept-ledger { margin-top: 9rem; }
.concept-ledger-heading { display: grid; grid-template-columns: 1.15fr .85fr; gap: 1rem 7vw; align-items: end; max-width: 68rem; }
.concept-ledger-heading .eyebrow { grid-column: 1 / -1; }
.concept-ledger-heading h3 { margin: 0; font-family: Georgia, serif; font-size: clamp(2.8rem, 5vw, 5.5rem); font-weight: 400; letter-spacing: -.045em; line-height: .92; }
.concept-ledger-heading > p:last-child { margin: 0; color: #97968f; font-family: Georgia, serif; font-size: 1rem; line-height: 1.65; }
.concept-ledger-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-top: 4rem; }
.concept-sheet { margin: 0; padding: .8rem .8rem 2rem; background: #d9d4c8; box-shadow: 0 1.4rem 2.8rem rgba(0,0,0,.34); }
.concept-sheet:nth-child(1) { transform: rotate(-1deg); }
.concept-sheet:nth-child(2) { transform: translateY(1.5rem) rotate(1deg); }
.concept-sheet:nth-child(3) { transform: rotate(-.5deg); }
.concept-sheet img { width: 100%; aspect-ratio: 1 / 1.08; object-fit: contain; background: #eeeae0; }
.concept-sheet figcaption { padding: 1rem .3rem 0; color: #252625; font-size: .58rem; letter-spacing: .09em; text-transform: uppercase; }
.concept-sheet figcaption span { display: block; margin-top: .3rem; color: #777268; font-size: .52rem; line-height: 1.4; }

footer { min-height: 20rem; padding: 5rem 6vw; display: flex; align-items: center; justify-content: space-between; gap: 3rem; border-top: 1px solid var(--rule); background: #07090a; color: #777873; font-size: .67rem; letter-spacing: .11em; text-transform: uppercase; }
.footer-edge { margin: 0; color: #777873; text-decoration: none; }
.footer-edge span { display: block; margin-bottom: .65rem; font-size: .56rem; letter-spacing: .16em; }
.footer-edge b { display: block; color: #ccc9c0; font-family: Georgia, serif; font-size: clamp(1.1rem, 2vw, 1.55rem); font-weight: 400; letter-spacing: 0; text-transform: none; }
a.footer-edge:hover b, a.footer-edge:focus-visible b { color: #fff; }
.footer-next { margin-left: auto; text-align: right; }

.ship-dialog { width: min(72rem, calc(100% - 2rem)); max-height: 90svh; padding: 0; color: #eeeae1; background: #111314; border: 1px solid rgba(255,255,255,.2); box-shadow: 0 3rem 7rem #000; }
.ship-dialog[open] { display: grid; grid-template-columns: 1.1fr .9fr; }
.ship-dialog::backdrop { background: rgba(0,0,0,.82); backdrop-filter: blur(10px); }
.dialog-close { position: absolute; right: 1.2rem; top: 1rem; z-index: 2; color: #fff; background: none; border: 0; font-size: 2rem; font-weight: 200; cursor: pointer; }
.dialog-image { min-height: 36rem; display: grid; place-items: center; background: radial-gradient(circle, #4a1511, #080a0b 60%); }
.dialog-image img { width: 90%; max-height: 76vh; object-fit: contain; filter: drop-shadow(0 2rem 2rem #000); }
.dialog-copy { padding: 4rem; overflow-y: auto; }
.dialog-copy h2 { font-size: clamp(3rem, 6vw, 5.5rem); line-height: .9; }
.dialog-role { color: #c94d41; text-transform: uppercase; font-size: .63rem; letter-spacing: .16em; }
.dialog-description { color: #a7a59f; font-family: Georgia, serif; line-height: 1.7; }
.dialog-stats { display: grid; grid-template-columns: repeat(5, 1fr); margin: 1.7rem 0 1.2rem; border-block: 1px solid var(--rule); }
.dialog-stats span { padding: .9rem .45rem; color: #72736f; font-size: .48rem; letter-spacing: .1em; text-align: center; text-transform: uppercase; border-right: 1px solid var(--rule); }
.dialog-stats span:last-child { border-right: 0; }
.dialog-stats b { display: block; margin-bottom: .28rem; color: #eeeae1; font-family: Georgia, serif; font-size: 1.25rem; font-weight: 400; letter-spacing: 0; }
.dialog-copy dl div { padding: 1rem 0; border-top: 1px solid var(--rule); }
.dialog-copy dd { margin-top: .5rem; font-size: .9rem; }

@media (max-width: 1250px) and (min-width: 921px) {
  .fleet-cards { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 920px) {
  :root { --side: 0rem; }
  .topbar { padding: 0 1.2rem; }
  .topbar-actions { right: 1.2rem; }
  .contents-toggle { display: block; }
  .contents-close { display: grid; place-items: center; }
  .contents { width: min(22rem, 88vw); transform: translateX(-105%); transition: transform .3s ease; box-shadow: 2rem 0 5rem #000; }
  .contents.open { transform: translateX(0); }
  .contents .volume-status { position: static; margin-top: 2rem; }
  main { margin-left: 0; }
  .cover-copy { width: 85%; padding-inline: 1.5rem; }
  .chapter { padding: 6rem 1.5rem; }
  .chapter-heading, .dossier-grid, .extinction, .sanctums, .fleet-heading { grid-template-columns: 1fr; }
  .chapter-heading .intro { margin-top: 2rem; }
  .dossier-grid { margin-top: 4rem; }
  .planet-stage { margin: -6rem -1.5rem 4rem; min-height: 55vh; }
  .planet-stage img { height: 55vh; }
  .extinction { padding-top: 6rem; }
  .sanctum-figure { order: -1; margin: 0; }
  .doctrine-strip { grid-template-columns: 1fr 1fr; }
  .doctrine-strip > div:nth-child(2) { border-right: 0; }
  .fleet-roster { margin-top: 4rem; }
  .fleet-cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .utility-group .fleet-cards { grid-template-columns: minmax(11rem, 1fr); max-width: calc(50% - .375rem); }
  .ship-card { min-height: 21rem; }
  .archive-heading .intro { margin-left: 0; }
  .archive-board { min-height: 118rem; padding: 1rem; }
  .sketch-study-one { width: 84%; left: 3%; top: 2%; }
  .sketch-study-two { width: 84%; right: 2%; top: 25%; }
  .sketch-study-three { width: 86%; left: 2%; bottom: 24%; }
  .sketch-study-four { width: 82%; right: 3%; bottom: 2%; }
  .pencil-note { display: none; }
  .concept-ledger { margin-top: 6rem; }
  .concept-ledger-heading { grid-template-columns: 1fr; }
  .concept-ledger-heading .eyebrow { grid-column: auto; }
  .concept-ledger-heading > p:last-child { margin-top: 1.5rem; }
  .concept-ledger-grid { grid-template-columns: 1fr; gap: 2rem; }
  .concept-sheet:nth-child(n) { transform: none; }
  .ship-dialog[open] { grid-template-columns: 1fr; }
  .dialog-image { min-height: 20rem; }
  .dialog-copy { padding: 3rem 1.5rem; }
}

@media (max-width: 560px) {
  .brand span { display: none; }
  .topbar-actions { gap: 1rem; }
  .return-site { font-size: .58rem; }
  .cover-image { background-position: 64% center; }
  .cover-vignette { background: linear-gradient(0deg, rgba(3,5,6,.96) 3%, rgba(3,5,6,.45) 62%, rgba(3,5,6,.2)); }
  .cover-copy { width: 100%; }
  .cover h1 { font-size: 4.6rem; }
  .vertical-label { display: none; }
  .portrait-plate { min-height: 29rem; }
  .specimen-data dl div { grid-template-columns: 7.2rem 1fr; }
  .doctrine-strip { grid-template-columns: 1fr; }
  .doctrine-strip > div { border-right: 0; border-bottom: 1px solid var(--rule); }
  .fleet-heading > p { margin-top: 2rem; }
  .fleet-cards, .utility-group .fleet-cards { grid-template-columns: 1fr; max-width: none; }
  .ship-card { min-height: 23rem; }
  .ship-card img { height: 12rem; }
  .dialog-stats { grid-template-columns: repeat(5, 1fr); }
  footer { align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}