/* Layout: one dark world. Full-bleed photographic plates and near-black reading rooms, no white sections. Serif statements, Geist for everything else, Doto for exactly one number. Single committed look. */
:root {
  --ink: #ECEFF3;
  --night: #000000;
  --paper: #000000;
  --mist: #07090C;
  --rule: #1D222A;
  --mute: #98A1AE;
  --soft: #6B7380;
  --signal: #2FCB7E;
  --link: #8FA8FF;
  --serif: "Instrument Serif", "Iowan Old Style", Georgia, serif;
  --sans: "Geist", "Helvetica Neue", Arial, sans-serif;
  --mono: "Geist Mono", ui-monospace, Menlo, monospace;
  --dot: "Doto", "Geist Mono", monospace;
  --g: clamp(16px, 5vw, 80px);
  color-scheme: dark;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { background: var(--paper); }
body { background: var(--paper); color: var(--ink); font: 400 17px/1.6 var(--sans); -webkit-font-smoothing: antialiased; margin: 0; }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--link); outline-offset: 3px; }
.wrap { padding-inline: var(--g); }

/* nav */
.nav { position: absolute; top: env(safe-area-inset-top, 0px); left: 0; right: 0; z-index: 10; display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 26px var(--g); color: #fff; }
.nav.solid { position: sticky; background: var(--paper); color: var(--ink); border-bottom: 1px solid var(--rule); }
.logo { font: 600 19px/1 var(--sans); letter-spacing: -.03em; text-decoration: none; white-space: nowrap; }
.logo i { display: inline-block; width: .3em; height: .3em; border-radius: 50%; background: var(--signal); margin-left: .06em; }
.nav ul { display: flex; gap: 30px; list-style: none; margin: 0; padding: 0; font-size: 14px; }
.nav a { text-decoration: none; opacity: .82; }
.nav a:hover, .nav a[aria-current=page] { opacity: 1; }
@media (max-width: 560px) { .nav ul { gap: 18px; font-size: 13px; } }

/* plates */
.plate { position: relative; color: #fff; background: var(--night) center/cover no-repeat; display: grid; align-content: end; padding-block: 140px 64px; }
.plate.tall { min-height: 640px; min-height: max(640px, 100vh); min-height: max(640px, 100svh); }
.plate.mid { min-height: clamp(520px, 78vh, 860px); }
.plate::before { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(0,0,0,.35) 0%, rgba(0,0,0,0) 30%, rgba(0,0,0,0) 50%, rgba(0,0,0,.7) 100%); }
.plate > * { position: relative; }
.plate.lean::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(0,0,0,.72) 0%, rgba(0,0,0,.35) 45%, rgba(0,0,0,0) 70%); pointer-events: none; }
.plate.lean > * { z-index: 1; }
.plate h1, .plate h2 { font: 400 clamp(60px, 10.5vw, 176px)/.88 var(--serif); letter-spacing: -.025em; margin: 0; text-wrap: balance; }
.plate .mission { margin: 34px 0 0; max-width: 31ch; font-size: clamp(18px, 1.6vw, 22px); line-height: 1.45; color: rgba(255,255,255,.92); }
.caption { font: 400 12px/1.5 var(--mono); color: rgba(255,255,255,.62); letter-spacing: .02em; margin-top: 40px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 24px; }
.cite { font: 500 .5em/1 var(--mono); vertical-align: super; text-decoration: none; color: var(--link); margin-left: .12em; letter-spacing: 0; }
.plate .cite { color: var(--link); }

/* number plate */
.big { font: 900 clamp(110px, 22vw, 340px)/.8 var(--dot); letter-spacing: -.02em; margin: 0; }
.bigline { font: 400 clamp(30px, 3.6vw, 56px)/1.05 var(--serif); margin: 22px 0 0; max-width: 20ch; }

/* reading room */
.room { padding-block: clamp(96px, 15vh, 180px); }
.kicker { font: 500 12px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--mute); margin: 0 0 28px; }
.statements { display: grid; gap: clamp(56px, 9vh, 110px); max-width: 1180px; }
.st { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 300px); gap: 16px 64px; align-items: end; }
.st p { margin: 0; font: 400 clamp(36px, 4.8vw, 72px)/1.02 var(--serif); letter-spacing: -.015em; text-wrap: balance; }
.st small { font-size: 15px; line-height: 1.55; color: var(--mute); }
@media (max-width: 820px) { .st { grid-template-columns: 1fr; } }

/* landscape */
.mist { background: var(--mist); }
.lead2 { font: 400 clamp(40px, 5.4vw, 84px)/1 var(--serif); letter-spacing: -.02em; margin: 0 0 18px; max-width: 16ch; text-wrap: balance; }
.sub { color: var(--mute); max-width: 56ch; margin: 0 0 56px; }
.table { width: 100%; border-collapse: collapse; }
.tablewrap { overflow-x: auto; }
.table th, .table td { text-align: left; padding: 22px 24px 22px 0; border-top: 1px solid #D6D9DE; vertical-align: top; }
.table th { font: 500 12px/1 var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--mute); border-top: 0; padding-bottom: 14px; }
.table td:first-child { font: 400 26px/1.15 var(--serif); width: 30%; min-width: 200px; }
.table td { font-size: 15px; color: #30353D; min-width: 180px; }
.close { margin: 64px 0 0; font: 400 clamp(34px, 4.4vw, 64px)/1.05 var(--serif); max-width: 22ch; }

.cta { display: inline-flex; align-items: center; gap: 10px; margin-top: 36px; padding: 15px 22px; border: 1px solid currentColor; font: 500 15px/1 var(--sans); text-decoration: none; }
.cta.fill { background: #fff; color: #000; border-color: #fff; }

/* research */
.refs { list-style: none; margin: 0; padding: 0; counter-reset: r; max-width: 1080px; }
.refs li { display: grid; grid-template-columns: 56px minmax(0, 1fr); gap: 4px 20px; padding: 30px 0; border-top: 1px solid var(--rule); scroll-margin-top: 90px; }
.refs li:target { background: linear-gradient(90deg, rgba(47,203,126,.10), transparent 70%); }
.refs .n { font: 500 14px/1.9 var(--mono); color: var(--mute); }
.refs .claim { font: 400 26px/1.2 var(--serif); margin: 0 0 10px; }
.refs .src { margin: 0; font-size: 14.5px; color: var(--mute); }
.refs .src a { color: var(--link); text-decoration: none; font-family: var(--mono); font-size: 13px; word-break: break-all; }
.note { max-width: 70ch; color: var(--mute); font-size: 14px; margin-top: 48px; }
.pagehead { padding-block: 150px 40px; }
.pagehead h1 { font: 400 clamp(56px, 8vw, 128px)/.92 var(--serif); letter-spacing: -.02em; margin: 0; }
.pagehead p { color: var(--mute); max-width: 60ch; margin: 22px 0 0; }

/* investors */
.ir { min-height: 100vh; color: #fff; background: var(--night) center/cover no-repeat; display: grid; align-items: center; padding-block: 140px 80px; position: relative; }
.ir::before { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(5,6,8,.92) 0%, rgba(5,6,8,.75) 42%, rgba(5,6,8,.15) 80%); }
.ir > * { position: relative; }
.ir h1 { font: 400 clamp(56px, 7.4vw, 112px)/.92 var(--serif); margin: 0 0 20px; letter-spacing: -.02em; }
.ir p.lede { color: rgba(255,255,255,.75); max-width: 42ch; margin: 0 0 40px; }
.form { display: grid; gap: 14px; max-width: 420px; }
.form label { font: 500 12px/1 var(--mono); letter-spacing: .06em; text-transform: uppercase; color: rgba(255,255,255,.6); display: grid; gap: 8px; }
.form input { font: 400 17px/1 var(--sans); color: #fff; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.22); padding: 15px 16px; border-radius: 0; }
.form input::placeholder { color: rgba(255,255,255,.35); }
.form button { font: 500 15px/1 var(--sans); background: #fff; color: #000; border: 0; padding: 16px 20px; cursor: pointer; margin-top: 6px; }
.form .err { color: #FFB3B3; font-size: 14px; min-height: 1.4em; margin: 0; }
.fine { font: 400 12px/1.6 var(--mono); color: rgba(255,255,255,.5); max-width: 52ch; margin-top: 26px; }
.room-dark { background: var(--night); color: #fff; min-height: 100vh; padding-block: 140px 80px; }
.dr-head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: end; gap: 20px; border-bottom: 1px solid rgba(255,255,255,.15); padding-bottom: 28px; }
.dr-head h1 { font: 400 clamp(48px, 6vw, 92px)/.95 var(--serif); margin: 0; }
.dr-head p { margin: 0; font: 400 13px/1.6 var(--mono); color: rgba(255,255,255,.6); text-align: right; }
.docs { list-style: none; margin: 0; padding: 0; }
.docs li { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 8px 24px; align-items: baseline; padding: 26px 0; border-bottom: 1px solid rgba(255,255,255,.12); }
.docs b { font: 400 30px/1.1 var(--serif); }
.docs span { display: block; color: rgba(255,255,255,.6); font-size: 14px; margin-top: 6px; }
.docs em { font: normal 500 12px/1 var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--signal); white-space: nowrap; }
.docs em.wait { color: rgba(255,255,255,.4); }
.log { margin-top: 70px; }
.log h2 { font: 500 12px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: rgba(255,255,255,.6); margin: 0 0 6px; }
.log p { color: rgba(255,255,255,.5); font-size: 13px; margin: 0 0 16px; }
.log table { width: 100%; border-collapse: collapse; font: 400 13px/1.4 var(--mono); font-variant-numeric: tabular-nums; }
.log th, .log td { text-align: left; padding: 11px 18px 11px 0; border-top: 1px solid rgba(255,255,255,.1); white-space: nowrap; }
.log th { color: rgba(255,255,255,.45); font-weight: 500; }
.signout { background: none; border: 1px solid rgba(255,255,255,.3); color: #fff; font: 500 13px/1 var(--sans); padding: 10px 14px; cursor: pointer; margin-top: 14px; }

/* contact */
.contact { min-height: 82vh; display: grid; align-content: center; padding-block: 150px 80px; }
.contact h1 { font: 400 clamp(56px, 8vw, 128px)/.92 var(--serif); margin: 0 0 30px; }
.mail { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 20px; font: 400 clamp(24px, 3vw, 40px)/1.2 var(--sans); letter-spacing: -.02em; }
.mail button { font: 500 13px/1 var(--sans); border: 1px solid var(--ink); background: none; padding: 10px 14px; cursor: pointer; }

footer { border-top: 0; padding-block: 40px 48px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 14px 30px; font-size: 13px; color: var(--mute); }
footer.dark { background: var(--night); color: rgba(255,255,255,.55); }

/* v1 additions */
.plate.hero-bg { background-image: url(/img/hero.jpg); }
.plate.fp-bg { background-image: url(/img/fingerprint.jpg); }
footer .legal { flex-basis: 100%; font-size: 12px; line-height: 1.6; max-width: 90ch; }
footer.dark .legal { color: rgba(255,255,255,.4); }
.prose { max-width: 70ch; padding-bottom: 120px; }
.prose h2 { font: 400 32px/1.15 var(--serif); margin: 48px 0 12px; }
.prose p, .prose li { color: #30353D; }
.docs a { text-decoration: none; }
.docs a b { border-bottom: 1px solid rgba(255,255,255,.3); }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 16px; z-index: 99; background: #fff; color: #000; padding: 8px 12px; }

/* admin */
.admin { padding-block: 40px 80px; }
.admin h1 { font: 400 48px/1 var(--serif); margin: 0 0 8px; }
.admin h2 { font: 500 12px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--mute); margin: 48px 0 14px; }
.admin table { width: 100%; border-collapse: collapse; font: 400 13px/1.4 var(--mono); font-variant-numeric: tabular-nums; }
.admin th, .admin td { text-align: left; padding: 10px 16px 10px 0; border-top: 1px solid var(--rule); vertical-align: top; }
.admin th { color: var(--mute); font-weight: 500; }
.admin form { display: flex; flex-wrap: wrap; gap: 10px; align-items: end; }
.admin input { font: 400 15px/1 var(--sans); padding: 10px 12px; border: 1px solid #C9CDD3; min-width: 200px; }
.admin button { font: 500 14px/1 var(--sans); padding: 11px 14px; background: #fff; color: #000; border: 0; cursor: pointer; }
.admin button.ghost { background: none; color: var(--ink); border: 1px solid #3A414C; padding: 6px 10px; font-size: 12px; }
.admin .newcode { font: 500 22px/1 var(--mono); background: var(--mist); padding: 16px; margin-top: 14px; }
.admin .muted { color: var(--mute); font-size: 14px; }

/* water: one number */
.water { padding-block: clamp(96px, 14vh, 170px); background: var(--night); }
.water-grid { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1fr); gap: 32px 72px; align-items: end; max-width: 1240px; }
.water-n { font: 900 clamp(150px, 26vw, 380px)/.78 var(--dot); margin: 0; letter-spacing: -.02em; color: var(--ink); }
.water-u { font: 500 13px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--mute); margin: 18px 0 0; }
.water-h { font: 400 clamp(34px, 4.2vw, 64px)/1.03 var(--serif); letter-spacing: -.015em; margin: 0 0 22px; text-wrap: balance; }
.water-b { color: var(--mute); max-width: 52ch; margin: 0; }
@media (max-width: 820px) { .water-grid { grid-template-columns: 1fr; } }

/* wall of names */
.wall { position: relative; overflow: hidden; background: var(--night); color: #fff; min-height: clamp(560px, 80vh, 860px); display: grid; align-items: center; }
.wall-text { position: absolute; inset: -20px -40px; font: 500 clamp(22px, 2.3vw, 34px)/1.25 var(--sans); letter-spacing: .02em; color: #1A202A; word-spacing: .35em; text-align: justify; user-select: none; }
.wall-text b { color: var(--signal); font-weight: 600; outline: 2px solid var(--signal); outline-offset: 8px; border-radius: 40px; }
.wall::after { content: ""; position: absolute; inset: 0; background: radial-gradient(ellipse at 30% 50%, rgba(0,0,0,.94) 0%, rgba(0,0,0,.75) 38%, rgba(0,0,0,0) 70%); }
.wall-copy { position: relative; z-index: 1; padding-block: 96px; }
.wall-copy h2 { font: 400 clamp(60px, 9vw, 150px)/.9 var(--serif); letter-spacing: -.025em; margin: 0 0 26px; }
.wall-copy p { max-width: 40ch; font-size: clamp(18px, 1.5vw, 21px); color: rgba(255,255,255,.82); margin: 0; }
.wall .cite { color: #9CB2FF; }
.wall-pin { position: absolute; z-index: 1; right: 16%; top: 58%; font: 600 clamp(24px, 2.6vw, 38px)/1 var(--sans); color: var(--signal); padding: 18px 26px; border: 2px solid var(--signal); border-radius: 999px; background: #000; }
@media (max-width: 760px) { .wall-pin { right: 8%; top: 12%; } }

/* footer links */
.foot-links { display: flex; flex-wrap: wrap; gap: 10px 26px; }
.foot-links a { text-decoration: none; }
.foot-links a:hover { text-decoration: underline; }
footer.dark a { color: rgba(255,255,255,.8); }
/* last plate fades into the footer */
.plate.fp-bg::before { background: linear-gradient(180deg, rgba(0,0,0,.35) 0%, rgba(0,0,0,0) 30%, rgba(0,0,0,0) 55%, #000 100%); }
.plate.fp-bg { padding-bottom: 40px; }
/* prevalence */
.prev { background: var(--night); color: #fff; display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: 48px 80px; align-items: center; padding-block: clamp(96px, 14vh, 160px); }
.prev-n { font: 400 clamp(110px, 17vw, 260px)/.85 var(--serif); letter-spacing: -.03em; margin: 0; }
.prev-line { font: 400 clamp(30px, 3.4vw, 52px)/1.06 var(--serif); margin: 24px 0 0; max-width: 18ch; }
.prev-cap { font: 400 12px/1.6 var(--mono); color: rgba(255,255,255,.55); margin: 32px 0 0; max-width: 46ch; }
.prev .cite { color: #9CB2FF; }
.people { width: 100%; max-width: 440px; height: auto; justify-self: end; }
@media (max-width: 820px) { .prev { grid-template-columns: 1fr; } .people { justify-self: start; max-width: 340px; } }

/* ---- v4: one dark world ---- */
.nav.solid { background: rgba(0,0,0,.88); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); color: var(--ink); border-bottom: 1px solid var(--rule); }
.scale { font: 900 1.08em/1 'Unbounded', var(--sans); color: var(--signal); text-transform: uppercase; letter-spacing: .01em; white-space: nowrap; }
.room { background: var(--mist); }
.mist { background: var(--night); }
.line-bg { position: relative; overflow: hidden; }
.line-bg::before { content: ""; position: absolute; right: -6%; top: 8%; width: min(1100px, 80vw); aspect-ratio: 1300 / 660; background: url(/img/pfos-line.svg) center/contain no-repeat; opacity: .10; pointer-events: none; }
.line-bg > * { position: relative; }
.table th, .table td { border-top-color: var(--rule); }
.table td { color: #C6CCD5; }
/* prevalence with the drop */
.prev { display: block; position: relative; min-height: clamp(560px, 86vh, 900px); background: #000 url(/img/drop.jpg) 70% center/cover no-repeat; }
.prev-copy { position: relative; z-index: 1; max-width: 620px; padding-top: clamp(40px, 12vh, 140px); }
.prev::before { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(0,0,0,.85) 0%, rgba(0,0,0,.55) 45%, rgba(0,0,0,0) 70%); }
@media (max-width: 820px) { .prev { background-position: 80% 85%; background-size: 220% auto; padding-bottom: 46vh; } .prev::before { background: linear-gradient(180deg, rgba(0,0,0,.9) 0%, rgba(0,0,0,.6) 55%, rgba(0,0,0,0) 80%); } }
/* closing lines */
.close-1 { font: 400 clamp(30px, 3.4vw, 52px)/1.1 var(--serif); margin: 22px 0 0; color: rgba(255,255,255,.92); }
.close-2 { font-size: clamp(18px, 1.6vw, 22px); line-height: 1.45; margin: 26px 0 34px; color: rgba(255,255,255,.82); max-width: 40ch; }
/* contact */
.contact .addr { font: 400 clamp(28px, 3.6vw, 52px)/1.1 var(--serif); margin: 0 0 30px; }
.mail-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 52px; padding: 0 24px; font: 500 15px/1 var(--sans); border: 1px solid rgba(255,255,255,.35); color: var(--ink); background: transparent; text-decoration: none; cursor: pointer; }
.btn.solid { background: #fff; color: #000; border-color: #fff; }
.btn:hover { border-color: #fff; }
.pagehead { padding-block: 150px 30px; }

.plate .mission { max-width: 36ch; text-wrap: pretty; }
.mission .m1, .mission .m2 { display: block; }
.mission .m2 { margin-top: .35em; }
.nw { white-space: nowrap; }
.close-2 { max-width: none; } .close-2 .cl { display: inline-block; }
.close-1, .close-2 .cl { text-wrap: balance; } @media (max-width: 360px) { .close-2 { font-size: 16px; } .close-1 { font-size: 27px; } }
.ir.dots-bg { background-image: url(/img/field-dots.jpg); background-position: right center; }
.ir.dots-bg::before { background: linear-gradient(90deg, rgba(0,0,0,.92) 0%, rgba(0,0,0,.6) 38%, rgba(0,0,0,0) 70%); }
@media (max-width: 760px) { .ir.dots-bg::before { background: rgba(0,0,0,.72); } }

.contact.protein-bg { background: #000 url(/img/protein.jpg) right center / cover no-repeat; position: relative; }
@media (max-width: 760px) { .contact.protein-bg::before { content: ""; position: absolute; inset: 0; background: rgba(0,0,0,.55); } .contact.protein-bg > * { position: relative; } }
.deck { margin: 8px 0 56px; }
.deck-frame { position: relative; aspect-ratio: 16 / 9; max-width: 100%; background: #0A0B0D; border: 1px solid var(--rule); overflow: hidden; cursor: pointer; user-select: none; }
.deck-bar { display: flex; align-items: center; gap: 12px; margin-top: 14px; }
.dbtn { font: 500 15px/1 var(--sans); color: var(--ink); background: transparent; border: 1px solid var(--rule); padding: 12px 16px; cursor: pointer; }
.dbtn:hover:not(:disabled) { border-color: var(--ink); } .dbtn:disabled { opacity: .35; cursor: default; }
.dbtn.wide { margin-left: auto; }
.dcount { font: 500 14px/1 var(--mono); color: var(--mute); min-width: 64px; text-align: center; font-variant-numeric: tabular-nums; }
.deck:fullscreen { background: #000; display: grid; align-content: center; padding: 24px; }
.deck:fullscreen .deck-frame { border: 0; }
.ir.dots-bg::after { content: ""; position: absolute; inset: 0 0 auto; height: 140px; background: linear-gradient(180deg, #000 0%, rgba(0,0,0,.7) 50%, rgba(0,0,0,0) 100%); pointer-events: none; }

.ir .lede span { display: block; }
@media (min-width: 700px) { .ir p.lede { max-width: none; } .ir .lede span { white-space: nowrap; } }
.form .opt { color: var(--soft); text-transform: none; letter-spacing: 0; }
.dbtn.ico { margin-left: auto; display: inline-grid; place-items: center; padding: 10px 12px; }
.room-dark { min-height: calc(100svh - 150px); display: grid; align-content: center; } .room-dark .deck { margin: 0; }

.deck-frame { position: relative; }
.stage { position: absolute; left: 0; top: 0; width: 1920px; height: 1080px; transform-origin: 0 0; }
.stage * { margin: 0; padding: 0; box-sizing: border-box; }
.stage section { position: relative; width: 1920px; height: 1080px; overflow: hidden; }
.stage table { border-spacing: 0; } .stage ul, .stage ol { padding-left: 1.2em; }
.stage a { text-decoration: underline; text-underline-offset: 4px; }
.dbtn.push { margin-left: auto; } .dbtn.ico + .dbtn.ico { margin-left: 0; }
a.dbtn { text-decoration: none; }
.srcs { list-style: none; margin: 22px 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px 22px; font: 400 14px/1.5 var(--mono); }
.srcs a { color: var(--link); text-underline-offset: 3px; }
.deck:fullscreen .srcs { display: none; }
.srcs { justify-content: center; text-align: center; max-width: 1100px; margin-left: auto; margin-right: auto; font-size: 15px; gap: 10px 26px; }

/* phone deck */
.mdeck { display: grid; gap: 18px; }
.mnote { margin: 0; font: 400 14px/1.5 var(--mono); color: rgba(255,255,255,.6); }
.mdl { justify-self: start; }
.mlist { display: grid; gap: 34px; margin-top: 6px; }
.mslide { margin: 0; }
.mslide img { display: block; width: 100%; height: auto; border: 1px solid var(--rule); background: #0A0B0D; }
.mslide figcaption { margin-top: 10px; }
.mnum { font: 500 12px/1 var(--mono); color: rgba(255,255,255,.5); letter-spacing: .06em; }
.mslide .srcs { justify-content: flex-start; text-align: left; margin: 8px 0 0; font-size: 13px; gap: 6px 16px; }

/* Data room: fit the whole slide and its controls inside the window on laptops and wide monitors */
@media (min-width: 768px) {
  .room-dark.room-deck { min-height: calc(100svh - var(--navh, 79px)); padding-block: clamp(12px, 2.5svh, 32px); }
  .room-deck .deck { width: 100%; max-width: max(min(100%, 640px), calc((100svh - var(--navh, 79px) - 2 * clamp(12px, 2.5svh, 32px) - 58px) * 16 / 9)); margin-inline: auto; }
}
.deck:fullscreen { padding: 16px; justify-items: center; }
.deck:fullscreen .deck-frame, .deck:fullscreen .deck-bar { width: min(100%, calc((100vh - 32px - 58px) * 16 / 9)); }