/* Cacko Studio — one stylesheet, two worlds: .studio (lime on near-black) and .book (COLD BEACON strata). */

@font-face { font-family: "Barlow Condensed"; font-weight: 300; font-display: swap; src: url(/fonts/barlow-condensed-latin-300-normal.woff2) format("woff2"); }
@font-face { font-family: "Barlow Condensed"; font-weight: 500; font-display: swap; src: url(/fonts/barlow-condensed-latin-500-normal.woff2) format("woff2"); }
@font-face { font-family: "Barlow"; font-weight: 400; font-display: swap; src: url(/fonts/barlow-latin-400-normal.woff2) format("woff2"); }
@font-face { font-family: "Barlow"; font-weight: 600; font-display: swap; src: url(/fonts/barlow-latin-600-normal.woff2) format("woff2"); }
@font-face { font-family: "EB Garamond"; font-weight: 400; font-display: swap; src: url(/fonts/eb-garamond-latin-400-normal.woff2) format("woff2"); }
@font-face { font-family: "EB Garamond"; font-weight: 400; font-style: italic; font-display: swap; src: url(/fonts/eb-garamond-latin-400-italic.woff2) format("woff2"); }
@font-face { font-family: "EB Garamond"; font-weight: 500; font-display: swap; src: url(/fonts/eb-garamond-latin-500-normal.woff2) format("woff2"); }

:root {
  --lime: #d4ff00;
  --ink: #161615;
  --coal: #1e1d1c;
  --coal-2: #282624;
  --paper: #efece0;
  --paper-2: #e4dfcd;
  --haze: #c9c8c0;
  --sand: #c47a52;
  --rust: #b4552b;
  --rust-hot: #d2652f;
  --ember: #e98a55;
  --bone: #ece6d6;
  --bone-dim: #b9b2a2;

  --display: "Barlow Condensed", "Arial Narrow", sans-serif;
  --ui: "Barlow", system-ui, sans-serif;
  --text: "EB Garamond", Georgia, serif;

  --gutter: clamp(1rem, 4vw, 3rem);
  --wrap: 73.75rem;
  --space-1: .5rem; --space-2: 1rem; --space-3: 1.5rem; --space-4: 2.5rem; --space-5: 4rem; --space-6: clamp(5rem, 10vw, 8.5rem);
  --ease-out: cubic-bezier(.16, 1, .3, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { font-size: clamp(100%, .8333vw, 250%); /* grows past 1920px so 1440p/4K screens get the same composition, larger */ -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 4.5rem; }
body { margin: 0; font: 400 1.0625rem/1.55 var(--ui); background: var(--coal); color: var(--bone); overflow-x: clip; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-underline-offset: .2em; text-decoration-thickness: 1px; }
button, input { font: inherit; color: inherit; }
h1, h2, h3, h4 { margin: 0; font-weight: 300; text-wrap: balance; }
p { margin: 0; text-wrap: pretty; }
.wrap { width: min(100% - 2 * var(--gutter), var(--wrap)); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: var(--gutter); top: -100px; z-index: 50; background: var(--lime); color: var(--ink); padding: .6rem 1rem; font-weight: 600; }
.skip:focus { top: 0.5rem; }

:focus-visible { outline: 2px solid var(--focus, var(--lime)); outline-offset: 0.1875rem; }
::selection { background: var(--sel, var(--lime)); color: var(--ink); }
html { scrollbar-color: #4a4743 var(--coal); }

/* ---------- Studio bar (shared header) ---------- */
.bar { position: sticky; top: 0; z-index: 40; background: color-mix(in srgb, var(--ink) 92%, transparent); backdrop-filter: saturate(1.2) blur(0.625rem); border-bottom: 1px solid #2c2b29; }
.bar .wrap { display: flex; align-items: center; gap: var(--space-3); min-height: 3.75rem; }
.brand { display: inline-flex; align-items: center; gap: .6rem; text-decoration: none; color: var(--bone); font: 500 1.15rem/1 var(--display); letter-spacing: .14em; text-transform: uppercase; }
.brand img { height: 2.125rem; width: auto; }
.foot .brand img { height: 3.25rem; }
.bar nav { margin-left: auto; display: flex; align-items: center; gap: clamp(.75rem, 2vw, 1.75rem); font-size: .95rem; }
.bar nav a { text-decoration: none; color: var(--bone-dim); padding-block: .4rem; white-space: nowrap; }
.bar nav a:hover { color: var(--bone); }
.lang { display: inline-flex; border: 1px solid #3a3835; font: 500 .8rem/1 var(--ui); letter-spacing: .08em; }
.lang a { padding: .45rem .55rem; color: var(--bone-dim); }
.bar .lang a[aria-current="true"], .bar .lang a[aria-current="true"]:hover { background: var(--bone); color: var(--ink); }
@media (max-width: 720px) { .bar nav a.opt { display: none; } }

/* ---------- Buttons ---------- */
.btn { --b: var(--lime); --f: var(--ink); display: inline-flex; align-items: center; justify-content: center; gap: .6rem; min-height: 3.25rem; padding: .85rem 1.5rem; border: 1px solid var(--b); background: var(--b); color: var(--f); font: 600 1rem/1 var(--ui); letter-spacing: .02em; text-decoration: none; cursor: pointer; transition: transform .25s var(--ease-out), background-color .2s, box-shadow .3s var(--ease-out); }
.btn:hover { transform: translateY(-2px); box-shadow: 0 0.75rem 1.375rem -0.875rem #000c; }
.btn:active { transform: translateY(0); }
.btn.ghost { background: transparent; color: var(--b); }
.btn svg { width: 1.125rem; height: 1.125rem; }

/* ---------- Footer ---------- */
.foot { background: var(--lime); color: var(--ink); padding-block: var(--space-5) var(--space-4); }
.foot .wrap { display: grid; gap: var(--space-4); grid-template-columns: 1.4fr 1fr 1fr 1.1fr; }
.foot ul.cols { grid-template-columns: 1fr 1fr; column-gap: var(--space-3); }
.foot .brand { color: var(--ink); }
.foot .brand svg { color: var(--ink); }
.foot p { max-width: 34ch; margin-top: var(--space-2); }
.foot h2 { font: 600 .85rem/1 var(--ui); letter-spacing: .1em; text-transform: uppercase; margin-bottom: var(--space-2); }
.foot li { overflow-wrap: anywhere; }
.foot ul { list-style: none; margin: 0; padding: 0; display: grid; gap: .45rem; }
.foot small { grid-column: 1 / -1; border-top: 1px solid color-mix(in srgb, var(--ink) 25%, transparent); padding-top: var(--space-3); font-size: .85rem; }
@media (max-width: 760px) { .foot .wrap { grid-template-columns: 1fr 1fr; } .foot .wrap > div:first-child { grid-column: 1 / -1; } }

/* =====================================================================
   STUDIO HOME
   ===================================================================== */
.studio { --focus: var(--lime); }
/* intro: hero copy and the 3D eye share one stage; with motion it pins while the eye comes apart */
.s-intro { position: relative; background: radial-gradient(70% 60% at 72% 45%, #23221f 0%, var(--coal) 70%); }
.s-intro .stage { position: relative; overflow: clip; padding-block: clamp(4rem, 12vw, 9rem) var(--space-6); }
.s-intro .wrap { position: relative; display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); align-items: center; gap: var(--space-5); }
.s-intro h1 { font: 300 clamp(3rem, 7.4vw, 6rem)/.95 var(--display); text-transform: uppercase; letter-spacing: .01em; color: var(--bone); text-wrap: balance; }
.s-intro h1 em { font-style: normal; color: var(--lime); }
.hero-copy > p { margin-top: var(--space-3); max-width: 44ch; font-size: 1.2rem; color: var(--bone-dim); }
.s-intro .actions { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-top: var(--space-4); }
.manifesto { grid-column: 1 / -1; }
.manifesto p { max-width: 24ch; font: 300 clamp(2rem, 4.6vw, 4rem)/1.05 var(--display); text-transform: uppercase; letter-spacing: .01em; color: var(--bone); text-wrap: balance; }
.manifesto em { font-style: normal; color: var(--lime); }
.eye { position: absolute; right: var(--gutter); top: 50%; translate: 0 -50%; width: min(38vw, 27.5rem); color: var(--lime); aspect-ratio: 1; }
.eye svg { width: 100%; height: 100%; overflow: visible; }
.eye .iris { transform: translate(var(--ex, 0px), var(--ey, 0px)); transition: transform .5s var(--ease-out); }
.eye3d { position: absolute; inset: 0; width: 100%; height: 100%; display: none; pointer-events: none; }
.webgl .eye3d { display: block; }
.webgl .s-intro .eye { display: none; }
.dive { display: none; }
@media (max-width: 820px) {
  .s-intro .wrap { grid-template-columns: 1fr; }
  .eye { position: relative; right: auto; top: auto; translate: none; width: 52%; margin: 0 0 var(--space-4) var(--gutter); }
}

/* motion on: 340svh of scroll, the stage pins, the copy hands over to the manifesto, the camera dives into lime */
.intro-run .s-intro { height: 340svh; margin-top: calc(-3.75rem - 1px); } /* slide under the sticky bar so the pinned stage fills the first screen */
.intro-run .s-intro .stage { position: sticky; top: 0; height: 100svh; padding: 0; display: grid; align-items: center; }
.intro-run .s-intro .wrap { grid-template-columns: minmax(0, 1fr) minmax(0, .9fr); }
.intro-run .hero-copy { grid-area: 1 / 1; opacity: calc(1 - clamp(0, (var(--p, 0) - .08) * 6, 1)); transform: translateY(calc(clamp(0, (var(--p, 0) - .08) * 6, 1) * -3rem)); }
.intro-run .s-intro.past .hero-copy { visibility: hidden; }
.intro-run .manifesto { grid-area: 1 / 1 / 2 / -1; justify-self: end; width: min(100%, 54%); opacity: calc(clamp(0, (var(--p, 0) - .18) * 9, 1) - clamp(0, (var(--p, 0) - .66) * 9, 1)); }
.intro-run .manifesto p { max-width: 19ch; font-size: clamp(1.9rem, 3.9vw, 3.5rem); }
.intro-run .manifesto .w { color: #45423d; transition: color .35s var(--ease-out); }
.intro-run .manifesto .w.lit { color: var(--bone); }
.intro-run .manifesto em .w.lit { color: var(--lime); }
.intro-run .dive { display: grid; place-items: center; position: absolute; inset: 0; background: var(--lime); opacity: clamp(0, (var(--p, 0) - .86) * 8, 1); pointer-events: none; }
.dive p { font: 300 clamp(2.4rem, 7vw, 6rem)/.95 var(--display); text-transform: uppercase; letter-spacing: .02em; color: var(--ink); text-align: center; padding-inline: var(--gutter); translate: 0 calc((1 - clamp(0, (var(--p, 0) - .9) * 10, 1)) * 1.875rem); }
@media (max-width: 820px) {
  .intro-run .s-intro .stage { align-items: end; }
  .intro-run .s-intro .wrap { grid-template-columns: 1fr; padding-bottom: clamp(2rem, 8svh, 4rem); }
  .intro-run .hero-copy { align-self: end; }
  .intro-run .hero-copy > p { font-size: 1.05rem; margin-top: var(--space-2); }
  .intro-run .s-intro .actions { margin-top: var(--space-3); }
  .intro-run .manifesto { width: 100%; align-self: end; }
  .intro-run .manifesto p { font-size: clamp(1.7rem, 7.4vw, 2.4rem); }
}

/* hazard band: the studio's lime, striped like a loading dock, words sliding past */
.hazard { --st: 0.75rem; position: relative; background: var(--lime); color: var(--ink); overflow: clip; padding-block: calc(var(--st) + .9rem); }
.hazard::before, .hazard::after { content: ""; position: absolute; inset-inline: 0; height: var(--st); background: repeating-linear-gradient(-45deg, var(--ink) 0 0.625rem, transparent 0.625rem 1.25rem); }
.hazard::before { top: 0; }
.hazard::after { bottom: 0; }
.hazard .track { display: flex; align-items: center; gap: clamp(1.2rem, 3vw, 2.4rem); width: max-content; animation: slide 38s linear infinite; }
.hazard span { font: 500 clamp(1.6rem, 3.6vw, 2.8rem)/1 var(--display); letter-spacing: .06em; text-transform: uppercase; white-space: nowrap; }
.hazard i { flex: none; width: .9rem; height: 1rem; background: var(--ink); clip-path: polygon(25% 0, 75% 0, 100% 50%, 75% 100%, 25% 100%, 0 50%); }
@keyframes slide { to { transform: translateX(-50%); } }

.s-section { padding-block: var(--space-6); }
.s-head { display: flex; justify-content: space-between; align-items: end; gap: var(--space-3); margin-bottom: var(--space-4); }
.s-head h2 { font: 300 clamp(2.2rem, 4.6vw, 3.6rem)/1 var(--display); text-transform: uppercase; letter-spacing: .02em; }
.s-head p { max-width: 38ch; color: var(--bone-dim); }

/* the book lives in its own world inside the studio frame */
.feature-book { background: linear-gradient(180deg, var(--paper) 0 24%, var(--sand) 24% 26%, var(--rust) 26% 33%, var(--coal) 33% 100%); color: var(--bone); padding-block: var(--space-6); }
.feature-book .wrap { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: var(--space-5); align-items: end; }
.feature-book .cover-link { display: block; justify-self: center; width: min(78%, 22.5rem); box-shadow: 0 2.5rem 3.75rem -1.875rem #000, 0 0 0 1px #0003; transition: transform .5s var(--ease-out); }
.feature-book .cover-link:hover { transform: translateY(-0.375rem) rotate(-1deg); }
.feature-book .copy { padding-bottom: var(--space-2); }
.feature-book h2 { font: 300 clamp(2.6rem, 6vw, 4.6rem)/.95 var(--display); text-transform: uppercase; letter-spacing: .04em; }
.feature-book p { margin-top: var(--space-2); font: 400 1.3rem/1.45 var(--text); color: var(--bone); max-width: 40ch; }
.feature-book .meta { font: 500 .95rem/1 var(--display); letter-spacing: .16em; text-transform: uppercase; color: var(--ember); margin-top: var(--space-3); }
.feature-book .btn { --b: var(--rust); --f: #fff; margin-top: var(--space-4); }
@media (max-width: 820px) {
  .feature-book { background: linear-gradient(180deg, var(--paper) 0 22%, var(--sand) 22% 24%, var(--rust) 24% 30%, var(--coal) 30%); }
  .feature-book .wrap { grid-template-columns: 1fr; }
  .feature-book .cover-link { width: 62%; }
}


.a-pack { overflow: clip; }
.a-top { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: var(--space-5); align-items: center; }
.a-pack h2 { font: 300 clamp(2.2rem, 4.6vw, 3.6rem)/1 var(--display); text-transform: uppercase; }
.a-copy > p { margin-top: var(--space-2); color: var(--bone-dim); max-width: 44ch; }
.a-copy ul { margin: var(--space-3) 0 var(--space-4); padding: 0; list-style: none; display: grid; gap: .5rem; }
.a-copy li { display: flex; gap: .7rem; align-items: baseline; }
.a-copy li::before { content: ""; flex: none; width: .55rem; height: .62rem; background: var(--lime); clip-path: polygon(25% 0, 75% 0, 100% 50%, 75% 100%, 25% 100%, 0 50%); transform: translateY(-1px); }
.a-copy .actions { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.a-key { display: block; box-shadow: 0 2.5rem 4.375rem -2.5rem #000; transition: transform .5s var(--ease-out); }
.a-key:hover { transform: translateY(-0.375rem); }
.a-deck { margin-top: var(--space-5); perspective: 87.5rem; }
.a-sheets { list-style: none; margin: 0; padding: 0 var(--gutter); display: flex; gap: clamp(.75rem, 2vw, 1.5rem); width: max-content; }
.a-sheets li { width: clamp(16.25rem, 30vw, 26.25rem); flex: none; box-shadow: 0 1.875rem 3.125rem -2.125rem #000; }
.press { margin-top: var(--space-6); }
.press h3 { font: 500 clamp(1.4rem, 2.6vw, 2rem)/1.05 var(--display); text-transform: uppercase; letter-spacing: .06em; padding-bottom: var(--space-2); border-bottom: 1px solid #34322f; }
.press ul { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); margin-top: var(--space-4); }
.press a { display: grid; gap: .8rem; text-decoration: none; }
.press img { aspect-ratio: 16 / 9; object-fit: cover; transition: transform .5s var(--ease-out), filter .3s; filter: saturate(.85); }
.press a:hover img { transform: translateY(-0.25rem); filter: none; }
.pr-meta { font: 500 .85rem/1 var(--display); letter-spacing: .16em; text-transform: uppercase; color: var(--lime); }
.pr-title { font: 500 clamp(1.3rem, 2.2vw, 1.7rem)/1.15 var(--display); text-transform: uppercase; letter-spacing: .02em; color: var(--bone); text-wrap: balance; }
.press a:hover .pr-title { text-decoration: underline; text-decoration-color: var(--lime); }
@media (max-width: 820px) {
  .a-top, .press ul { grid-template-columns: 1fr; }
  .a-deck { overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: thin; }
  .a-sheets li { width: 78vw; scroll-snap-align: center; }
}
/* the sheets slide across as the section passes, tilted like cards on a table */
.motion .a-deck { overflow: visible; }
.motion .a-sheets { transform: translateX(calc((.5 - var(--p, .5)) * 40vw)) rotateX(8deg); transform-style: preserve-3d; }
@media (max-width: 820px) { .motion .a-sheets { transform: none; } .motion .a-deck { overflow-x: auto; } }

.consult { background: var(--lime); color: var(--ink); }
.consult .s-head p { color: #3b4500; }
.consult ul { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--ink); }
.consult li { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.3fr); gap: var(--space-3); padding-block: var(--space-3); border-bottom: 1px solid var(--ink); }
.consult h3 { font: 500 clamp(1.5rem, 3vw, 2.2rem)/1.05 var(--display); text-transform: uppercase; letter-spacing: .02em; }
.consult li p { font-size: 1.1rem; max-width: 52ch; }
.consult .clients { margin-top: var(--space-4); display: flex; flex-wrap: wrap; gap: .75rem 2rem; align-items: baseline; }
.consult .clients strong { font: 600 .85rem/1 var(--ui); letter-spacing: .1em; text-transform: uppercase; }
.consult .clients span { font: 500 1.3rem/1 var(--display); text-transform: uppercase; letter-spacing: .04em; }
.consult .btn { --b: var(--ink); --f: var(--lime); margin-top: var(--space-4); }
@media (max-width: 720px) { .consult li { grid-template-columns: 1fr; gap: .5rem; } }

.about { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: var(--space-5); align-items: center; }
.about img { width: clamp(8.75rem, 22vw, 15rem); border-radius: 50%; background: #f4f4f2; }
.about h2 { font: 300 clamp(2.2rem, 4.6vw, 3.6rem)/1 var(--display); text-transform: uppercase; }
.about p { margin-top: var(--space-2); max-width: 58ch; color: var(--bone-dim); font-size: 1.1rem; }
.about .links { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: .5rem; margin: var(--space-3) 0 0; }
.about .links a { display: inline-flex; min-height: 2.75rem; align-items: center; padding: 0 1rem; border: 1px solid #3a3835; text-decoration: none; font: 500 1rem/1 var(--display); letter-spacing: .1em; text-transform: uppercase; transition: background-color .2s, color .2s, border-color .2s; }
.about .links a:hover { background: var(--lime); color: var(--ink); border-color: var(--lime); }
.about .links a { color: var(--lime); }
@media (max-width: 640px) { .about { grid-template-columns: 1fr; } }

/* =====================================================================
   COLD BEACON — the descent
   ===================================================================== */
.book { --focus: var(--rust-hot); --sel: var(--ember); }
.book .btn { --b: var(--rust); --f: #fff; }
.book .btn.ghost { --b: var(--bone); }

/* stratum 1: sky + horizon + underground in one hero */
.b-hero { position: relative; background: var(--coal); isolation: isolate; overflow: clip; }
.sky { position: relative; height: clamp(22.5rem, 49vh, 32.5rem); background: linear-gradient(180deg, var(--paper) 0%, #e6e3d6 46%, var(--haze) 100%); overflow: hidden; }
.sky::before, .sky::after { content: ""; position: absolute; border-radius: 50%; background: radial-gradient(circle, #fffbe6 0 38%, #fbf1c4aa 52%, #fbf1c400 70%); filter: blur(2px); }
.sky::before { width: clamp(4.375rem, 9vw, 7.5rem); aspect-ratio: 1; left: 68%; top: 46%; }
.sky::after { width: clamp(3.5rem, 7vw, 6rem); aspect-ratio: 1; left: 77%; top: 62%; opacity: .9; }
.sky .wrap { position: relative; z-index: 1; height: 100%; display: flex; flex-direction: column; justify-content: flex-start; padding-top: clamp(2.5rem, 7vh, 4.5rem); text-align: center; }
.b-title { font: 300 clamp(3.4rem, 11.5vw, 9rem)/.88 var(--display); letter-spacing: .03em; text-transform: uppercase; color: #222120; }
.b-by { margin-top: var(--space-2); font: 500 clamp(.9rem, 1.6vw, 1.05rem)/1 var(--display); letter-spacing: .32em; text-transform: uppercase; color: #4a4741; }
.horizon { height: clamp(3.25rem, 6vw, 5.25rem); background: linear-gradient(180deg, #c58a69 0%, var(--sand) 35%, var(--rust) 100%); position: relative; }
.horizon::after { content: ""; position: absolute; inset: auto 0 0; height: 2px; background: #00000040; }
.under { position: relative; padding-block: var(--space-3) var(--space-6); }
.under::before { content: ""; position: absolute; z-index: -1; left: 50%; top: 30%; width: min(90vw, 38.75rem); aspect-ratio: 1; translate: -50% -50%; border-radius: 50%; background: radial-gradient(circle, #0000 56%, #b4552b33 62%, #c0562a59 64.5%, #b4552b26 68%, #0000 74%); }
.under .wrap { display: grid; grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr); align-items: start; gap: var(--space-4); }

/* the book object sits on the horizon */
.b-hero { --bw: clamp(11.25rem, 17vw, 15.625rem); --bh: calc(var(--bw) * 1.552); }
.object { margin-top: calc(-.62 * var(--bh) - var(--space-3)); perspective: 87.5rem; justify-self: center; }
.book3d { position: relative; width: var(--bw); aspect-ratio: 767 / 1190; transform-style: preserve-3d; transform: rotateY(-24deg) rotateX(4deg); transition: transform .9s var(--ease-out); }
.book3d:hover { transform: rotateY(-8deg) rotateX(2deg); }
.book3d img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; box-shadow: 0 3.125rem 3.75rem -1.875rem #000e; }
.book3d .spine { position: absolute; top: 0; left: 0; width: 1.625rem; height: 100%; background: linear-gradient(90deg, #111 0%, #2a2826 60%, #1b1a19 100%); transform-origin: left; transform: rotateY(90deg); }
.book3d .pages { position: absolute; top: 1.5%; right: 0; width: 1.5rem; height: 97%; background: repeating-linear-gradient(90deg, #efe9da 0 1px, #d8d1bf 1px 2px); transform-origin: right; transform: rotateY(90deg) translateX(0.75rem); }

.pitch { font: 400 clamp(1.25rem, 2vw, 1.5rem)/1.45 var(--text); color: var(--bone); max-width: 30ch; }
.pitch em { font-style: italic; color: var(--ember); }
.under .meta { grid-column: 1; grid-row: 2; margin-top: calc(-1 * var(--space-2)); display: grid; gap: .55rem; font: 500 .95rem/1.2 var(--display); letter-spacing: .14em; text-transform: uppercase; color: var(--bone-dim); }
.under .meta b { color: var(--bone); font-weight: 500; }
.buy-col { display: grid; gap: var(--space-2); justify-items: stretch; max-width: 18.75rem; justify-self: end; }
.price { display: flex; align-items: baseline; gap: .7rem; font: 300 3.6rem/1 var(--display); color: var(--bone); }
.price small { font: 500 .9rem/1.3 var(--display); letter-spacing: .14em; text-transform: uppercase; color: var(--bone-dim); }
.buy-col .fine { font-size: .9rem; color: var(--bone-dim); }
@media (max-width: 900px) {
  .under .wrap { grid-template-columns: 1fr; text-align: left; gap: var(--space-3); }
  .under .meta { grid-row: auto; margin-top: 0; }
  .b-hero { --bw: clamp(8.125rem, 36vw, 10.625rem); }
  .object { order: -1; margin-top: calc(-.62 * var(--bh) - var(--space-3)); }
  .sky { height: calc(var(--bh) * .62 + clamp(7rem, 30vw, 11rem)); }
  .sky .wrap { padding-top: clamp(1.5rem, 5vh, 2.5rem); }
  .buy-col { justify-self: start; max-width: 22.5rem; width: 100%; }
  .under::before { top: 22%; }
}

/* stratum 2: the letter, in daylight */
.letter { background: var(--paper); color: #24221f; padding-block: var(--space-6); }
.letter .wrap { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.5fr); gap: var(--space-5); }
.letter h2 { font: 300 clamp(2.6rem, 5.6vw, 4.6rem)/.95 var(--display); text-transform: uppercase; letter-spacing: .02em; color: #222120; }
.letter .body { font: 400 clamp(1.2rem, 1.7vw, 1.4rem)/1.6 var(--text); max-width: 36em; }
.letter .body p + p { margin-top: 1em; }
.letter .body .big { font-size: 1.25em; line-height: 1.35; }
.letter .sign { margin-top: var(--space-3); font: italic 400 1.5rem/1 var(--text); color: var(--rust); }
.letter a { color: var(--rust); }
@media (max-width: 820px) { .letter .wrap { grid-template-columns: 1fr; gap: var(--space-3); } }

/* stratum 3: five chapters as layers of ground */
.strata { background: var(--coal); }
.strata-head { background: linear-gradient(180deg, var(--paper) 0, var(--paper-2) 100%); color: #222120; padding-block: var(--space-5) var(--space-4); }
.strata-head .wrap { display: flex; justify-content: space-between; align-items: end; gap: var(--space-3); flex-wrap: wrap; }
.strata-head h2 { font: 300 clamp(2.4rem, 5vw, 4rem)/.95 var(--display); text-transform: uppercase; letter-spacing: .02em; }
.strata-head p { max-width: 40ch; font: 400 1.2rem/1.5 var(--text); }
.layers { list-style: none; margin: 0; padding: 0; }
.layer { --c: var(--sand); background: var(--c); color: var(--lc, #1c1a18); box-shadow: inset 0 0.875rem 1.125rem -0.875rem #00000059; }
.layer:nth-child(1) { --c: #d9b49a; }
.layer:nth-child(2) { --c: #c98b66; }
.layer:nth-child(3) { --c: #b4552b; --lc: #fff3ea; }
.layer:nth-child(4) { --c: #6e3119; --lc: #f4e2d6; }
.layer:nth-child(5) { --c: #3a1f14; --lc: #f0dfd3; }
.layer:nth-child(6) { --c: #1e1d1c; --lc: var(--bone); }
.layer .wrap { display: grid; grid-template-columns: 6.5rem minmax(0, 1fr) auto; gap: var(--space-3); align-items: baseline; padding-block: clamp(1.1rem, 2.4vw, 1.8rem); }
.layer .num { font: 300 clamp(1.8rem, 3vw, 2.6rem)/1 var(--display); letter-spacing: .04em; }
.layer h3 { font: 500 clamp(1.4rem, 2.6vw, 2rem)/1.05 var(--display); text-transform: uppercase; letter-spacing: .06em; }
.layer p { margin-top: .35rem; font: italic 400 1.15rem/1.4 var(--text); opacity: .92; }
.layer .state { font: 500 .8rem/1 var(--display); letter-spacing: .18em; text-transform: uppercase; white-space: nowrap; padding: .45rem .6rem; border: 1px solid currentColor; }
.layer .state.free { background: currentColor; }
.layer .state.free span { color: var(--c); }
@media (max-width: 640px) { .layer .wrap { grid-template-columns: 3.2rem minmax(0, 1fr); } .layer .state { grid-column: 2; justify-self: start; } }

/* real interior pages */
.spreads { padding-block: var(--space-5) var(--space-5); }
.spreads .row { display: flex; justify-content: center; align-items: flex-end; gap: clamp(.5rem, 2vw, 1.5rem); }
.spreads figure { margin: 0; flex: 0 1 16.25rem; transition: transform .6s var(--ease-out); }
.spreads figure:nth-child(1) { transform: rotate(-3deg) translateY(0.875rem); }
.spreads figure:nth-child(3) { transform: rotate(3deg) translateY(0.875rem); }
.spreads figure:hover { transform: rotate(0) translateY(-0.375rem); }
.spreads img { box-shadow: 0 1.875rem 2.5rem -1.5rem #000; }
.spreads figcaption { margin-top: .8rem; text-align: center; font: 500 .8rem/1 var(--display); letter-spacing: .18em; text-transform: uppercase; color: var(--bone-dim); }
@media (max-width: 640px) { .spreads figure:nth-child(3) { display: none; } }

/* stratum 4: the preview reader, a document found underground */
.preview { padding-block: var(--space-5) var(--space-6); }
.preview-head { text-align: center; margin-bottom: var(--space-4); }
.preview-head h2 { font: 300 clamp(2.4rem, 5vw, 4rem)/.95 var(--display); text-transform: uppercase; letter-spacing: .02em; }
.preview-head p { margin: var(--space-2) auto 0; max-width: 52ch; color: var(--bone-dim); font: 400 1.2rem/1.5 var(--text); }
.reader { position: relative; max-width: 47.5rem; margin-inline: auto; background: var(--paper); color: #23211e; box-shadow: 0 3.75rem 5rem -3.125rem #000, 0 0 0 1px #0005; }
.o2 { position: sticky; top: 3.75rem; z-index: 5; display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding: .7rem clamp(1.2rem, 5vw, 3.5rem); background: #23211ef2; color: var(--bone); font: 500 .85rem/1 var(--display); letter-spacing: .2em; text-transform: uppercase; }
.o2 .gauge { flex: 1; height: 2px; background: #ffffff26; position: relative; max-width: 16.25rem; }
.o2 .gauge i { position: absolute; inset: 0; background: var(--ember); transform-origin: left; transform: scaleX(var(--o2, 1)); transition: transform .4s linear; }
.o2 output { font-variant-numeric: tabular-nums; color: var(--ember); min-width: 7ch; text-align: right; }
.o2.low output, .o2.low .gauge i { color: #ff6b4a; background-color: #ff6b4a; }
.o2.low output { background: none; }
.pages-text { padding: clamp(2rem, 6vw, 4.5rem) clamp(1.2rem, 7vw, 5rem); font: 400 clamp(1.15rem, 1.6vw, 1.3rem)/1.65 var(--text); hyphens: auto; }
.pages-text .chapter + .chapter { margin-top: 3.5em; }
.pages-text h3 { text-align: center; font: 400 1.6em/1 var(--text); letter-spacing: .08em; text-transform: uppercase; color: var(--rust); padding-bottom: .5em; border-bottom: 1px solid var(--rust); margin-bottom: 1.2em; }
.pages-text p { margin: 0 0 .9em; }
.pages-text p.first::first-letter { float: left; font: 500 3.4em/.82 var(--text); color: var(--rust); padding: .06em .08em 0 0; }
.pages-text blockquote { margin: 0 0 1.6em; padding: 0 1.2em; font-size: .86em; font-style: italic; color: #4a463f; }
.pages-text blockquote p { margin-bottom: .6em; }
.pages-text cite { display: block; font-style: normal; font-size: .85em; letter-spacing: .02em; color: #6b665c; }
.reader.clipped .pages-text { max-height: 68.75rem; overflow: hidden; -webkit-mask-image: linear-gradient(180deg, #000 70%, #0000); mask-image: linear-gradient(180deg, #000 70%, #0000); }
.reader .more { display: flex; justify-content: center; padding: 0 1rem 2.5rem; }
.reader:not(.clipped) .more { display: none; }
.reader .more .btn { --b: #23211e; --f: var(--paper); }
.signal-lost { padding: var(--space-4) clamp(1.2rem, 7vw, 5rem) var(--space-5); text-align: center; background: var(--coal-2); color: var(--bone); }
.signal-lost p { font: 500 .9rem/1 var(--display); letter-spacing: .24em; text-transform: uppercase; color: #ff6b4a; }
.signal-lost h3 { margin-top: var(--space-2); font: 300 clamp(1.8rem, 4vw, 2.6rem)/1.05 var(--display); text-transform: uppercase; }
.signal-lost .btn { margin-top: var(--space-3); }
.reader.clipped .signal-lost { display: none; }

/* stratum 5: the beacon — purchase */
.beacon { position: relative; padding-block: var(--space-6); text-align: center; isolation: isolate; overflow: clip; }
.ring { position: absolute; z-index: -1; left: 50%; top: 50%; width: min(120vw, 56.25rem); aspect-ratio: 1; translate: -50% -50%; border-radius: 50%; background: radial-gradient(circle, #0000 50%, #b4552b30 57%, #d2652f80 60%, #b4552b38 64%, #0000 71%); animation: pulse 6s ease-in-out infinite; }
@keyframes pulse { 0%, 100% { opacity: .7; scale: 1; } 50% { opacity: 1; scale: 1.025; } }
.beacon h2 { font: 300 clamp(2.4rem, 5vw, 4rem)/.95 var(--display); text-transform: uppercase; letter-spacing: .02em; }
.offer { margin: var(--space-4) auto 0; max-width: 28.75rem; padding: clamp(1.5rem, 5vw, 2.5rem); background: #161514ee; border: 1px solid #3c3936; text-align: left; }
.offer .price { justify-content: space-between; font-size: 4.2rem; }
.offer ul { list-style: none; margin: var(--space-3) 0; padding: 0; display: grid; gap: .6rem; }
.offer li { display: grid; grid-template-columns: 1.125rem 1fr; gap: .7rem; align-items: start; color: var(--bone); }
.offer li svg { width: 1.125rem; height: 1.125rem; color: var(--ember); margin-top: 0.1875rem; }
.optin { display: grid; grid-template-columns: 1.25rem 1fr; gap: .7rem; align-items: start; margin: var(--space-3) 0; font-size: .95rem; color: var(--bone-dim); cursor: pointer; }
.optin input { width: 1.125rem; height: 1.125rem; margin: 0.1875rem 0 0; accent-color: var(--rust-hot); }
#paypal { min-height: 3.25rem; }
.checkout-note { margin-top: var(--space-2); font-size: .88rem; color: var(--bone-dim); }
.status { margin-top: var(--space-2); padding: 1rem; border: 1px solid #3c3936; font-size: .98rem; }
.status[hidden] { display: none; }
.status.ok { border-color: var(--ember); }
.status.err { border-color: #ff6b4a; color: #ffb7a6; }
.status a { color: var(--ember); font-weight: 600; }

/* game, author, faq — still underground */
.b-game { position: relative; display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); align-items: center; gap: var(--space-5); padding-block: var(--space-5); }
.b-game img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.b-game h2 { font: 300 clamp(2rem, 4vw, 3.2rem)/1 var(--display); text-transform: uppercase; }
.b-game p { margin-top: var(--space-2); font: 400 1.2rem/1.5 var(--text); color: var(--bone-dim); max-width: 40ch; }
@media (max-width: 760px) { .b-game { grid-template-columns: 1fr; } }

.author { border-top: 1px solid #34322f; padding-block: var(--space-6); display: grid; grid-template-columns: auto minmax(0, 1fr); gap: var(--space-5); align-items: center; }
.author img { width: clamp(8.125rem, 18vw, 12.5rem); border-radius: 50%; background: #f2f1ee; }
.author h2 { font: 300 clamp(2rem, 4vw, 3.2rem)/1 var(--display); text-transform: uppercase; }
.author p { margin-top: var(--space-2); font: 400 1.2rem/1.55 var(--text); color: var(--bone-dim); max-width: 52ch; }
.author a { color: var(--ember); }
@media (max-width: 640px) { .author { grid-template-columns: 1fr; } }

.faq { padding-block: var(--space-5) var(--space-6); }
.faq h2 { font: 300 clamp(2rem, 4vw, 3.2rem)/1 var(--display); text-transform: uppercase; margin-bottom: var(--space-3); }
.faq details { border-top: 1px solid #34322f; }
.faq details:last-of-type { border-bottom: 1px solid #34322f; }
.faq summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; gap: 1rem; padding-block: 1.2rem; font: 500 clamp(1.15rem, 2vw, 1.35rem)/1.25 var(--display); letter-spacing: .04em; text-transform: uppercase; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: ""; flex: none; width: 0.75rem; height: 0.75rem; margin-top: .3em; border-right: 1.5px solid var(--ember); border-bottom: 1.5px solid var(--ember); transform: rotate(45deg); transition: transform .3s var(--ease-out); }
.faq details[open] summary::after { transform: rotate(225deg); }
.faq .a { padding-bottom: 1.4rem; max-width: 62ch; font: 400 1.15rem/1.6 var(--text); color: var(--bone-dim); }
.faq .a p + p { margin-top: .8em; }
.recover { display: grid; grid-template-columns: 1fr 1fr auto; gap: .6rem; margin-top: 1rem; font-family: var(--ui); }
.recover label { display: grid; gap: .3rem; font-size: .85rem; color: var(--bone-dim); }
.recover input { min-height: 2.875rem; padding: .6rem .8rem; background: #121110; border: 1px solid #45423e; color: var(--bone); }
.recover input:focus-visible { outline-color: var(--ember); }
.recover .btn { align-self: end; min-height: 2.875rem; }
@media (max-width: 640px) { .recover { grid-template-columns: 1fr; } }

@media (prefers-reduced-motion: reduce) {
  .hazard .track { animation: none; }
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}

/* =====================================================================
   GAME (studio home): space band, pinned 3D story track, features
   ===================================================================== */
.g-space { position: relative; min-height: min(92vh, 51.25rem); display: grid; align-items: center; overflow: clip; background: #000; color: #f3eee2; isolation: isolate; }
.g-stars { position: absolute; z-index: -1; left: 0; top: -10%; width: 100%; height: 120%; object-fit: cover; object-position: 70% 50%; transform: translateY(calc((var(--p, .5) - .5) * 18%)) scale(calc(1.05 + var(--p, .5) * .12)); will-change: transform; }
.g-space::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(90deg, #000d 0%, #0007 45%, #0000 70%), linear-gradient(0deg, var(--coal) 0%, #0000 22%); }
.g-space .wrap { padding-block: var(--space-6); }
.g-logo { width: min(100%, 40rem); height: auto; filter: drop-shadow(0 0.375rem 1.125rem #0009); }
.g-space h2 { transform: translateY(calc((var(--p, .5) - .5) * -3.75rem)); }
.g-space p { margin-top: var(--space-3); max-width: 40ch; font-size: 1.2rem; color: #d9d2c4; }

.g-track { position: relative; height: 300vh; background: var(--coal); }
.g-stage { position: sticky; top: 3.75rem; height: calc(100vh - 3.75rem); display: flex; align-items: center; overflow: hidden; perspective: 87.5rem; }
.g-cards { list-style: none; margin: 0; padding: 0 12vw; display: flex; gap: 4vw; transform-style: preserve-3d; will-change: transform; }
.g-card { flex: none; width: min(64vw, 47.5rem); transform-style: preserve-3d; transition: transform .12s linear; }
.g-card img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; box-shadow: 0 2.5rem 3.75rem -1.875rem #000; }
.g-card div { display: grid; grid-template-columns: 3rem 1fr; gap: .2rem 1rem; margin-top: var(--space-3); }
.g-card span { grid-row: span 2; font: 300 2.4rem/1 var(--display); color: var(--rust-hot); }
.g-card h3 { font: 500 clamp(1.4rem, 2.4vw, 2rem)/1 var(--display); text-transform: uppercase; letter-spacing: .14em; }
.g-card p { color: var(--bone-dim); max-width: 50ch; font: 400 1.15rem/1.45 var(--text); }
.no-pin .g-track { height: auto; }
.no-pin .g-stage { position: static; height: auto; overflow-x: auto; scroll-snap-type: x mandatory; padding-block: var(--space-5); }
.no-pin .g-card { scroll-snap-align: center; }

.g-feats ul { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-5) var(--space-4); }
.g-feats li:nth-child(even) { translate: 0 var(--space-5); }
.g-feats img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.g-feats h3 { margin-top: var(--space-2); font: 500 clamp(1.3rem, 2.2vw, 1.8rem)/1 var(--display); text-transform: uppercase; letter-spacing: .16em; color: var(--bone); }
.g-feats li p { margin-top: .5rem; color: var(--bone-dim); font: 400 1.15rem/1.45 var(--text); }
.g-close { margin-top: calc(var(--space-6) + var(--space-4)); text-align: center; font: 500 clamp(1.1rem, 2.4vw, 1.8rem)/1.4 var(--display); letter-spacing: .3em; text-transform: uppercase; color: var(--bone); }
.g-close span { display: block; color: var(--bone-dim); }
@media (max-width: 760px) {
  .g-feats ul { grid-template-columns: 1fr; }
  .g-feats li:nth-child(even) { translate: none; }
  .g-card { width: 80vw; }
  .g-cards { padding: 0 10vw; }
}

/* book page: game teaser carries the game logo */
.b-game-art { position: relative; display: block; overflow: hidden; }
.b-game-art img:first-child { transition: transform 1.2s var(--ease-out); }
.b-game-art:hover img:first-child { transform: scale(1.04); }
.b-game .b-game-art .g-logo { position: absolute; left: 8%; bottom: 10%; width: 80%; max-width: 100%; aspect-ratio: auto; object-fit: contain; }

/* =====================================================================
   MOTION: reveals, parallax, 3D scroll (only with JS + motion allowed)
   ===================================================================== */
.motion [data-reveal] { opacity: 0; translate: 0 2rem; transition: opacity .9s var(--ease-out), translate .9s var(--ease-out); }
.motion [data-reveal].in { opacity: 1; translate: 0 0; }
.motion .g-feats li:nth-child(even)[data-reveal] { translate: 0 calc(var(--space-5) + 2rem); }
.motion .g-feats li:nth-child(even)[data-reveal].in { translate: 0 var(--space-5); }
.motion [data-reveal="stagger"] { opacity: 1; translate: none; }
.motion [data-reveal="stagger"] > * { opacity: 0; scale: .85; transition: opacity .6s var(--ease-out), scale .6s var(--ease-out), background-color .2s, color .2s; transition-delay: calc(var(--i, 0) * 45ms); }
.motion [data-reveal="stagger"].in > * { opacity: 1; scale: 1; }

/* book hero: title lifts away, suns drift, the book turns toward you as you descend */
.motion .b-hero .b-title { transform: translateY(calc(var(--p, 0) * -7.5rem)); opacity: calc(1 - var(--p, 0) * 1.4); }
.motion .b-hero .b-by { transform: translateY(calc(var(--p, 0) * -4.375rem)); }
.motion .b-hero .sky::before { translate: calc(var(--p, 0) * -2.5rem) calc(var(--p, 0) * 5.625rem); }
.motion .b-hero .sky::after { translate: calc(var(--p, 0) * -1.25rem) calc(var(--p, 0) * 8.75rem); }
.motion .b-hero .book3d { transform: rotateY(calc(-24deg + var(--p, 0) * 30deg + var(--ty, 0deg))) rotateX(calc(4deg - var(--tx, 0deg))) translateY(calc(var(--p, 0) * -1.875rem)); transition: transform .35s var(--ease-out); }
.motion .b-hero .under::before { scale: calc(1 + var(--p, 0) * .25); }

/* the five chapters tilt away like layers of ground passing the visor */
.motion [data-layers] { perspective: 68.75rem; perspective-origin: 50% 0%; }
.motion [data-layers] .layer { transform-origin: 50% 0; transform: rotateX(calc(var(--lp, 0) * -38deg)) translateZ(calc(var(--lp, 0) * -3.75rem)); opacity: calc(1 - var(--lp, 0) * .9); }

/* the real pages fan out as they come into view */
.motion .spreads figure:nth-child(1) { transform: translateX(calc((1 - min(1, var(--p, 0) * 2.4)) * 105%)) rotate(calc(-3deg * min(1, var(--p, 0) * 2.4))) translateY(0.875rem); }
.motion .spreads figure:nth-child(3) { transform: translateX(calc((1 - min(1, var(--p, 0) * 2.4)) * -105%)) rotate(calc(3deg * min(1, var(--p, 0) * 2.4))) translateY(0.875rem); }
.motion .spreads figure:nth-child(2) { position: relative; z-index: 1; }

/* beacon ring grows as the visitor reaches the purchase */
.motion .beacon .ring { transform: scale(calc(.7 + var(--p, .5) * .5)); }

/* studio home */
.motion .feature-book .cover-link { transform: perspective(75rem) rotateY(calc((.5 - var(--p, .5)) * 34deg)) rotateX(calc((var(--p, .5) - .5) * 10deg)); transition: transform .3s var(--ease-out); }

@media (prefers-reduced-motion: reduce) {
  .g-track { height: auto; }
  .g-stage { position: static; height: auto; overflow-x: auto; scroll-snap-type: x mandatory; padding-block: var(--space-5); }
  .g-card { scroll-snap-align: center; }
}

/* book pages keep the underground to the end: dark footer, lime only in the logo */
.book .foot { background: var(--coal); color: var(--bone); border-top: 1px solid var(--rust); }
.book .foot .brand { color: var(--bone); }
.book .foot .brand svg { color: var(--lime); }
.book .foot small { border-top-color: #34322f; color: var(--bone-dim); }
.book .foot a:hover { color: var(--ember); }

/* preview front matter: cover, black page + prologue spread, working contents */
.pages-text { --pad-y: clamp(2rem, 6vw, 4.5rem); --pad-x: clamp(1.2rem, 7vw, 5rem); padding: var(--pad-y) var(--pad-x); }
.front { margin: calc(-1 * var(--pad-y)) calc(-1 * var(--pad-x)) 3.5em; background: #141312; }
.fp-cover { margin: 0; padding: clamp(2rem, 6vw, 4rem) 0; display: grid; place-items: center; background: radial-gradient(60% 50% at 50% 60%, #2a211c 0%, #141312 70%); }
.fp-cover img { width: min(62%, 26.25rem); box-shadow: 0 2.5rem 3.75rem -1.875rem #000; }
.fp-spread { margin: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 2px; background: #000; box-shadow: inset 0 0 0 1px #000; }
.fp-spread img { width: 100%; height: 100%; aspect-ratio: 767 / 1190; object-fit: cover; }
.fp-spread img:first-child { box-shadow: inset -1.5rem 0 1.875rem -1.25rem #000; }
.fp-contents { background: var(--paper); color: #23211e; padding: clamp(2rem, 6vw, 4rem) var(--pad-x); font-family: var(--ui); }
.fp-contents .k { font: 400 .8rem/1 var(--text); letter-spacing: .12em; text-transform: uppercase; color: #6b665c; margin: 0; }
.fp-contents h3 { margin: .6em 0 0; font: 500 clamp(2.2rem, 6vw, 3.2rem)/1 var(--display); text-transform: uppercase; color: #222120; border: 0; padding: 0; text-align: left; letter-spacing: .01em; }
.fp-contents .by { margin: .3em 0 2.2em; font: 500 .85rem/1 var(--ui); letter-spacing: .08em; text-transform: uppercase; }
.fp-contents ol { list-style: none; margin: 0; padding: 0; display: grid; gap: .25rem; }
.fp-contents a { display: flex; align-items: baseline; gap: .6rem; padding: .55rem 0; text-decoration: none; font: 400 1.05rem/1.2 var(--text); color: inherit; }
.fp-contents li:first-child a { font-size: 1.25rem; font-weight: 500; }
.fp-contents i { flex: 1; border-bottom: 1px solid #c9c3b3; transform: translateY(-.25em); }
.fp-contents a:hover span { color: var(--rust); }
.fp-contents .locked a { color: #6b665c; }
.front .sr-only { color: var(--bone); }
.fp-contents .locked b::after { content: ""; display: inline-block; width: .8em; height: .9em; margin-left: .5em; vertical-align: -.08em; background: currentColor; -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns=%27http://www.w3.org/2000/svg%27 viewBox=%270 0 16 18%27 fill=%27none%27 stroke=%27black%27 stroke-width=%272%27%3E%3Crect x=%272%27 y=%278%27 width=%2712%27 height=%279%27 rx=%271.5%27/%3E%3Cpath d=%27M5 8V5a3 3 0 0 1 6 0v3%27/%3E%3C/svg%3E") center / contain no-repeat; mask: url("data:image/svg+xml,%3Csvg xmlns=%27http://www.w3.org/2000/svg%27 viewBox=%270 0 16 18%27 fill=%27none%27 stroke=%27black%27 stroke-width=%272%27%3E%3Crect x=%272%27 y=%278%27 width=%2712%27 height=%279%27 rx=%271.5%27/%3E%3Cpath d=%27M5 8V5a3 3 0 0 1 6 0v3%27/%3E%3C/svg%3E") center / contain no-repeat; }
.reader.clipped .pages-text { max-height: 93.75rem; }

/* sound toggle in the bar: off by default, remembered */
.snd { display: inline-flex; align-items: center; gap: .4rem; min-height: 2rem; padding: 0 .6rem; background: none; border: 1px solid #3a3835; color: var(--bone-dim); font: 500 .8rem/1 var(--ui); letter-spacing: .08em; text-transform: uppercase; cursor: pointer; transition: color .2s, border-color .2s; }
.snd svg { width: 1rem; height: 1rem; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.snd svg path:first-child { fill: currentColor; }
.snd .w1, .snd .w2 { opacity: .25; transition: opacity .3s; }
.snd[aria-pressed="true"] { color: var(--bone); border-color: var(--bone-dim); }
.snd[aria-pressed="true"] .w1, .snd[aria-pressed="true"] .w2 { opacity: 1; }
.snd:hover { color: var(--bone); }
.book .snd[aria-pressed="true"] { border-color: var(--rust-hot); }
@media (max-width: 520px) { .snd span { display: none; } }

/* WebGL book: the canvas is larger than the cover so it can turn and open without clipping */
.object[data-book3d] { position: relative; touch-action: pan-y; }
.object.gl { cursor: grab; }
.object.gl:active { cursor: grabbing; }
.object.gl .book3d { opacity: 0; }
.book-gl { position: absolute; left: 50%; top: 50%; width: calc(var(--bw) * 2.6); height: calc(var(--bh) * 1.7); translate: -50% -48%; pointer-events: none; z-index: 1; }