/* PaGhost Engine — studio site. Old-print ghost-story titles, plain legible notes. */
:root {
  color-scheme: dark;
  --ink: #0f1113;
  --mist: #1a1e22;
  --mist-hi: #252a2f;
  --bone: #e6e1d6;
  --dim: #9d9a90;
  --ghost: #a8d5cd;
  --lamp: #f2c46a;
  --line: rgba(230, 225, 214, .14);

  --f-title: "IM Fell English", "Iowan Old Style", Georgia, serif;
  --f-text: "Atkinson Hyperlegible", "Segoe UI", system-ui, sans-serif;
  --f-code: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;

  --pad: clamp(1.1rem, 4.5vw, 3rem);
  --measure: 38em;

  box-sizing: border-box;
  padding-top: env(safe-area-inset-top, 0px);
  padding-bottom: env(safe-area-inset-bottom, 0px);
}
*, *::before, *::after { box-sizing: inherit; }
html { background: var(--ink); scroll-behavior: smooth; scroll-padding-top: calc(4rem + env(safe-area-inset-top, 0px)); }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body { margin: 0; background: var(--ink); color: var(--bone); font: 1.0625rem/1.6 var(--f-text); -webkit-font-smoothing: antialiased; overflow-x: hidden; }
body::before { content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px); z-index: 30; background: rgba(15, 17, 19, .9); }
img { max-width: 100%; display: block; }
a { color: var(--ghost); text-underline-offset: .2em; }
h1, h2, h3 { font-family: var(--f-title); font-weight: 400; margin: 0; line-height: 1.05; }
:focus-visible { outline: 2px solid var(--ghost); outline-offset: 3px; }
.skip { position: absolute; left: -999px; top: .5rem; z-index: 50; background: var(--ghost); color: var(--ink); padding: .4rem .8rem; }
.skip:focus { left: .5rem; }

/* bar */
.site-bar { position: fixed; z-index: 20; top: env(safe-area-inset-top, 0px); left: 0; right: 0; display: flex; align-items: baseline; gap: 1.5rem; padding: .9rem var(--pad); background: linear-gradient(rgba(15, 17, 19, .9), rgba(15, 17, 19, 0)); }
.site-bar-name { font-family: var(--f-title); font-size: 1.35rem; color: var(--bone); text-decoration: none; margin-right: auto; }
.site-bar.solid { background: rgba(15, 17, 19, .94); box-shadow: 0 1px 0 var(--line); }
.site-bar nav { display: flex; gap: 1.4rem; }
.site-bar nav a { color: var(--dim); text-decoration: none; font-size: .98rem; }
.site-bar nav a:hover { color: var(--bone); }
@media (max-width: 560px) { .site-bar nav a:not(:first-child) { display: none; } }

/* hero: the name, under drifting fog */
.hero { position: relative; min-height: 100svh; display: grid; align-items: end; overflow: hidden; touch-action: pan-y;
  background: radial-gradient(60rem 40rem at 70% 30%, #171b1f, var(--ink) 70%); }
.hero-text { position: relative; padding: 0 var(--pad) clamp(3rem, 12vh, 8rem); }
.studio-name { font-size: clamp(4rem, 15vw, 13rem); line-height: .86; letter-spacing: -.015em; max-width: 9ch; }
.studio-name img { max-height: 1.6em; width: auto; }
.studio-line { max-width: 30em; margin: 2.4rem 0 0; font-size: clamp(1.1rem, 1.8vw, 1.35rem); color: var(--dim); font-family: var(--f-title); font-style: italic; }
.hero-media { position: absolute; inset: 0; }
.hero-media img, .hero-media video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; filter: brightness(.42) saturate(.85); }
.hero-media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(15, 17, 19, .5) 0%, rgba(15, 17, 19, 0) 35%, rgba(15, 17, 19, .35) 65%, var(--ink) 100%); }
.hero-video { opacity: 0; transition: opacity 1.2s ease; }
.hero-video.on { opacity: 1; }
.fog { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.hero-hint { position: absolute; right: var(--pad); bottom: 2rem; margin: 0; color: var(--dim); font-size: .9rem; transition: opacity 1.5s; }
.hero-hint.gone { opacity: 0; }

/* section titles: big, set into the margin */
.sec-title { font-size: clamp(2.6rem, 6vw, 4.6rem); margin-bottom: 2rem; }

/* games */
.games { padding: clamp(4rem, 10vw, 8rem) var(--pad); }
.game { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(16rem, 1fr); gap: clamp(1.5rem, 4vw, 3.5rem); align-items: end; color: inherit; text-decoration: none; }
.game + .game { margin-top: clamp(4rem, 9vw, 7rem); }
@media (max-width: 820px) { .game { grid-template-columns: 1fr; } }
.game-window { position: relative; overflow: hidden; aspect-ratio: 16 / 9.5; background: var(--mist); border-radius: 2px; }
.game-window img { width: 100%; height: 100%; object-fit: cover; filter: brightness(.42) saturate(.7); transform: scale(1.02); transition: filter 1.2s ease, transform 1.6s ease; }
.game-window::after { content: ""; position: absolute; inset: 0; box-shadow: inset 0 0 120px 40px var(--ink); pointer-events: none; }
.game:hover .game-window img, .game:focus-within .game-window img { filter: brightness(.95) saturate(1); transform: scale(1); }
@media (prefers-reduced-motion: reduce) { .game-window img { transition: none; } }
@media (hover: none) { .game-window img { filter: brightness(.85) saturate(.95); } }
.game-title { font-size: clamp(2.8rem, 5vw, 4.2rem); margin-bottom: .6rem; }
.game-meta { color: var(--ghost); margin: 0 0 1rem; font-size: .95rem; }
.game-line { color: var(--bone); font-size: 1.15rem; margin: 0 0 1.4rem; max-width: 26em; }
.game-links { display: flex; gap: 1rem; flex-wrap: wrap; }
.btn { display: inline-block; padding: .6rem 1.2rem; border: 1px solid var(--bone); color: var(--bone); text-decoration: none; transition: background .25s, color .25s; }
.btn:hover { background: var(--bone); color: var(--ink); }
.btn-lamp { border-color: var(--lamp); color: var(--lamp); }
.btn-lamp:hover { background: var(--lamp); color: var(--ink); }

.doc { max-width: var(--measure); min-height: 24rem; min-width: 0; overflow-wrap: break-word; }
.doc > :first-child { margin-top: 0; }
.doc h1 { font-size: clamp(2.2rem, 4vw, 3rem); margin: 0 0 1.2rem; }
.doc h2 { font-size: 1.75rem; margin: 2.4rem 0 .7rem; }
.doc h3 { font-size: 1.35rem; margin: 1.8rem 0 .5rem; }
.doc p, .doc ul, .doc ol { margin: 0 0 1rem; }
.doc li { margin-bottom: .35rem; }
.doc strong { color: #fff; }
.doc em { color: var(--dim); }
.doc img { margin: 1.4rem 0; border: 1px solid var(--line); }
.doc hr { border: 0; border-top: 1px solid var(--line); margin: 2rem 0; }
.doc blockquote { margin: 1.4rem 0; padding: .2rem 0 .2rem 1.2rem; border-left: 2px solid var(--ghost); color: var(--dim); }
.doc table { border-collapse: collapse; margin: 1.2rem 0 1.6rem; font-size: .98rem; min-width: 100%; }
.doc .table-wrap { overflow-x: auto; }
.doc th, .doc td { text-align: left; padding: .55rem .9rem .55rem 0; border-bottom: 1px solid var(--line); vertical-align: top; }
.doc th { color: var(--dim); font-weight: 700; }
.doc code { font-family: var(--f-code); font-size: .88em; background: var(--mist-hi); padding: .1em .35em; border-radius: 3px; }
.doc pre { margin: 1.2rem 0 1.6rem; padding: 1.1rem 1.2rem; background: var(--mist); border: 1px solid var(--line); border-radius: 4px; overflow-x: auto; line-height: 1.55; }
.doc pre code { background: none; padding: 0; font-size: .86rem; }
.doc-error { color: var(--dim); }

/* code colours (highlight.js classes) */
.hljs-comment, .hljs-quote { color: #737a76; font-style: italic; }
.hljs-keyword, .hljs-selector-tag, .hljs-built_in { color: var(--ghost); }
.hljs-string, .hljs-attr, .hljs-template-variable { color: #d9c08c; }
.hljs-number, .hljs-literal, .hljs-symbol { color: #e0a58f; }
.hljs-title, .hljs-section, .hljs-function .hljs-title { color: var(--bone); font-weight: 600; }
.hljs-type, .hljs-class .hljs-title, .hljs-meta { color: #b9b4e6; }
.hljs-variable, .hljs-params { color: #cfd6d3; }

/* footer */
.foot { padding: clamp(4rem, 9vw, 7rem) var(--pad) 3rem; border-top: 1px solid var(--line); }
.foot-title { font-size: clamp(2.4rem, 5vw, 3.6rem); margin-bottom: .8rem; }
.foot-mail { font-size: 1.25rem; margin: 0 0 1.4rem; }
.foot-mail:empty { display: none; }
.foot-links { display: flex; gap: 1.5rem; flex-wrap: wrap; margin: 0 0 3rem; }
.foot-links:empty { display: none; }
.foot-small { color: var(--dim); font-size: .9rem; margin: 0; }

/* ── Tools mounted in the reader (workshop, profile reader) ── */
.doc.is-app { max-width: none; }
.app { --ink: #e6e1d6; --gold: #f2c46a; --ember: #e0846a; --moss: #8fbf7f; --faint: #7d7b73; --chalk: #1a1e22; --chalk2: #252a2f;
  --rope: rgba(230, 225, 214, .28); --line: rgba(230, 225, 214, .14); --code: #121518; }
.app-lede { color: var(--dim); max-width: 40em; }
.app-note { color: var(--faint); font-size: .9rem; margin-top: .6rem; }
.app button { font: inherit; font-size: .95rem; color: var(--bone); background: var(--chalk2); border: 1px solid var(--rope); border-radius: 6px; padding: .35rem .8rem; cursor: pointer; }
.app button:hover { border-color: var(--ghost); }
.app h3 { font-family: var(--f-title); font-size: 1.6rem; margin: 1.6rem 0 .6rem; color: var(--bone); }

/* the workshop keeps the hub's own look: it's a picture of the real tool */
.hub { position: relative; border-radius: 14px; overflow: hidden; border: 2px solid #8f6a43; background: #0d1012; font-family: "Patrick Hand", "Segoe Print", cursive; font-size: 17px; }
.hub .bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .85; margin: 0; border: 0; }
.hub .inner { position: relative; padding: 26px 26px 18px; }
.hub .title { font: 700 52px/1 "Amatic SC", cursive; color: #f2ebd9; text-shadow: 0 2px 20px rgba(0,0,0,.7); margin: 0; }
.hub .status { color: #c9bfa6; font-size: 15px; margin: 4px 0 18px; text-shadow: 0 1px 8px rgba(0,0,0,.8); }
.hub .cards { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
.hub .card { position: relative; border-radius: 10px; overflow: hidden; border: 2px solid rgba(255,255,255,.14); background: #111; cursor: pointer; text-align: left; padding: 0;
  transition: transform .25s cubic-bezier(.2,.8,.2,1), border-color .25s; aspect-ratio: 276 / 372; font-family: inherit; }
.hub .card:hover, .hub .card:focus-visible { transform: translateY(-6px); border-color: #f2cb7a; }
.hub .card img.art { width: 100%; height: 100%; object-fit: cover; display: block; margin: 0; border: 0; }
.hub .card .shade { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(7,6,12,0) 30%, rgba(7,6,12,.92) 100%); }
.hub .card .words { position: absolute; left: 0; right: 0; bottom: 0; padding: 10px 12px; color: #f2ebd9; }
.hub .card .words .t { display: flex; align-items: center; gap: 8px; font: 700 30px/1 "Amatic SC", cursive; }
.hub .card .words .t img { width: 30px; height: 30px; margin: 0; border: 0; }
.hub .card .words .d { font-size: 14px; line-height: 1.3; color: #d7ccb4; margin-top: 4px; }
.hub .card .words .h { font-size: 13px; color: #f2c46a; margin-top: 6px; }
.hub .smalls { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.hub .small { display: flex; flex-direction: column; align-items: center; gap: 2px; width: 74px; padding: 6px 4px; background: rgba(12,14,16,.72); border: 1px solid rgba(255,255,255,.14); border-radius: 8px; color: #e6dcc6; font-size: 14px; font-family: inherit; }
.hub .small img { width: 34px; height: 34px; margin: 0; border: 0; }
.hub .small:hover { border-color: #f2cb7a; }
.hub .console { margin-top: 16px; background: rgba(6,8,8,.92); border: 1px solid #8f6a43; border-radius: 10px; padding: 12px 14px; min-height: 150px; max-height: 320px; overflow: auto;
  font: 13px/1.55 var(--f-code); color: #d8d2c0; white-space: pre-wrap; }
.hub .console .ok { color: #8fd18b; } .hub .console .head { color: #f2c46a; } .hub .console .dimc { color: #8c8574; }
@media (prefers-reduced-motion: reduce) { .hub .card { transition: none; } .hub .card:hover { transform: none; } }

/* the profile reader, in the studio's own look */
.app .drop { border: 1.5px dashed var(--rope); border-radius: 8px; padding: 1rem; background: var(--chalk); display: grid; gap: .7rem; }
.app .drop.over { border-color: var(--ghost); background: var(--chalk2); }
.app .drop textarea { width: 100%; min-height: 90px; background: var(--code); color: var(--bone); border: 1px solid var(--line); border-radius: 6px; padding: .6rem; font: .8rem/1.4 var(--f-code); resize: vertical; }
.app .samples { display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; color: var(--dim); font-size: .95rem; }
.app .samples b { color: var(--bone); }
.app .report { margin-top: 1.4rem; display: grid; gap: 1.2rem; }
.app .verdict { border-radius: 8px; padding: 1.1rem 1.3rem; background: var(--chalk); border: 1px solid var(--line); border-left: 4px solid var(--c, var(--ghost)); }
.app .verdict .v { font: 2.3rem/1.05 var(--f-title); }
.app .verdict.good { --c: var(--moss); } .app .verdict.gpu { --c: var(--ember); } .app .verdict.cpu { --c: var(--gold); }
.app .verdict .v { color: var(--c); }
.app .verdict p { margin: .5rem 0 0; max-width: 40em; }
.app .verdict h3 { font-size: 1.25rem; margin: 1rem 0 .3rem; }
.app .steps { margin: 0; padding-left: 1.3rem; } .app .steps li { margin: .25rem 0; }
.app .stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(9rem, 1fr)); gap: .6rem; }
.app .stat { background: var(--chalk); border: 1px solid var(--line); border-radius: 8px; padding: .7rem .9rem; }
.app .stat .n { font: 2rem/1.05 var(--f-title); color: var(--bone); }
.app .stat .l { color: var(--dim); font-size: .85rem; }
.app .meter { position: relative; height: 16px; border-radius: 8px; background: var(--chalk2); overflow: hidden; border: 1px solid var(--line); }
.app .meter .fill { position: absolute; inset: 0 auto 0 0; }
.app .meter .mark { position: absolute; top: -4px; bottom: -4px; width: 2px; background: var(--bone); opacity: .7; }
.app .meterlabels { display: flex; justify-content: space-between; color: var(--faint); font-size: .8rem; margin-top: .3rem; }
.app .lede { color: var(--dim); font-size: .95rem; }
.app .zones { display: grid; gap: .35rem; }
.app .zone { display: grid; grid-template-columns: minmax(150px, 260px) 1fr 76px; gap: .7rem; align-items: center; cursor: pointer; padding: .15rem .3rem; border-radius: 5px; }
.app .zone:hover { background: var(--chalk); }
.app .zone .name { font-size: .92rem; overflow-wrap: anywhere; }
.app .zone .bar { height: 12px; border-radius: 6px; min-width: 2px; }
.app .zone .ms { text-align: right; font: .8rem var(--f-code); color: var(--dim); }
.app .zone .why { grid-column: 1 / -1; font-size: .92rem; color: var(--dim); padding: 0 0 .4rem; display: none; }
.app .zone.open .why { display: block; }
.app .legend { display: flex; flex-wrap: wrap; gap: .8rem; font-size: .85rem; color: var(--dim); margin-bottom: .6rem; }
.app .legend span::before { content: ""; display: inline-block; width: 11px; height: 11px; border-radius: 3px; margin-right: 6px; vertical-align: -1px; background: var(--c); }
.app .spikes { display: grid; gap: .5rem; }
.app .spike { background: var(--chalk); border: 1px solid var(--line); border-radius: 8px; padding: .7rem .9rem; }
.app .chips { display: flex; flex-wrap: wrap; gap: .4rem; margin: .4rem 0; }
.app .chip { font: .78rem var(--f-code); padding: .1rem .5rem; border-radius: 10px; border: 1px solid var(--line); color: var(--bone); }
.app .err { color: var(--ember); }
@media (max-width: 860px) {
  .hub .inner { padding: 18px 14px 14px; }
  .hub .title { font-size: 36px; }
  .hub .cards { gap: 10px; }
  .hub .card .words { padding: 8px 9px; }
  .hub .card .words .t { font-size: 23px; gap: 6px; }
  .hub .card .words .t img { width: 22px; height: 22px; }
  .hub .card .words .d { font-size: 12.5px; }
  .hub .small { width: calc(25% - 6px); }
  .hub .cards { grid-template-columns: repeat(2, 1fr); }
  .hub .card:last-child { grid-column: span 2; aspect-ratio: auto; height: 220px; }
  .app .zone { grid-template-columns: 1fr 64px; }
  .app .zone .bar { grid-column: 1 / -1; grid-row: 2; }
}


/* ── games: one large, the rest two to a row ── */
.game-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(19rem, 1fr)); gap: clamp(2rem, 5vw, 3.5rem); margin-top: clamp(3.5rem, 8vw, 6rem); }
.game-more { grid-template-columns: 1fr; gap: 1.2rem; align-items: start; align-content: start; }
.game-more .game-title { font-size: clamp(2.1rem, 3.5vw, 2.8rem); }
.game-window.no-art { display: grid; place-items: center; background:
  radial-gradient(60% 70% at 30% 40%, rgba(168, 213, 205, .14), transparent 70%),
  radial-gradient(50% 60% at 75% 65%, rgba(230, 225, 214, .08), transparent 70%), var(--mist); }
.fog-title { font-family: var(--f-title); font-size: clamp(2rem, 4vw, 3rem); color: rgba(230, 225, 214, .5); font-style: italic; }

/* ── front page: the engine in brief ── */
.teaser { padding: clamp(4rem, 10vw, 8rem) var(--pad); border-top: 1px solid var(--line); }
.kicker { font-family: var(--f-title); font-style: italic; color: var(--ghost); font-size: 1.25rem; margin: 0 0 .3rem; }
.teaser-name { font-size: clamp(3.6rem, 10vw, 8rem); line-height: .9; }
.teaser-line { font-size: clamp(1.15rem, 2vw, 1.45rem); color: var(--dim); max-width: 30em; margin: 1rem 0 2.5rem; }
.facts { list-style: none; margin: 0 0 2.5rem; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr)); border-top: 1px solid var(--line); }
.facts li { padding: 1.2rem 1.4rem 1.2rem 0; border-bottom: 1px solid var(--line); }
.fact-big { display: block; font-family: var(--f-title); font-size: clamp(1.6rem, 2.6vw, 2.1rem); line-height: 1.1; color: var(--bone); }
.fact-small { display: block; color: var(--dim); font-size: .95rem; margin-top: .3rem; }
.facts-wide { margin: 0; padding: 0 var(--pad); }

/* ── engine page ── */
.e-hero { position: relative; min-height: 88svh; display: grid; align-items: end; overflow: hidden; background: var(--ink); }
.e-hero-art { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 50% 35%; filter: brightness(.38) saturate(.8) blur(1.5px); transform: scale(1.02); }
.e-hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(15, 17, 19, .55) 0%, rgba(15, 17, 19, 0) 30%, rgba(15, 17, 19, .2) 55%, var(--ink) 100%); }
.e-hero-text { position: relative; z-index: 1; padding: 0 var(--pad) clamp(2.5rem, 8vh, 5rem); }
.e-name { font-size: clamp(5rem, 17vw, 14rem); line-height: .85; letter-spacing: -.015em; text-shadow: 0 4px 40px rgba(0, 0, 0, .6); }
.e-line { font-size: clamp(1.15rem, 2vw, 1.5rem); max-width: 28em; margin: 1.2rem 0 0; text-shadow: 0 1px 12px var(--ink); }
.e-caption { position: absolute; right: var(--pad); bottom: 1.4rem; margin: 0; color: var(--dim); font-size: .85rem; font-style: italic; font-family: var(--f-title); }
@media (max-width: 700px) { .e-caption { position: static; margin-top: 1rem; } }

.e-sec { padding: clamp(4rem, 9vw, 7rem) var(--pad); border-top: 1px solid var(--line); }
.e-intro { color: var(--dim); font-size: 1.15rem; max-width: 34em; margin: -1rem 0 2.5rem; }

.feature { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.35fr); gap: clamp(1rem, 4vw, 4rem); padding: clamp(1.6rem, 3.5vw, 2.6rem) 0; border-top: 1px solid var(--line); }
.feature:first-child { border-top: 0; padding-top: 0; }
@media (max-width: 760px) { .feature { grid-template-columns: minmax(0, 1fr); gap: .7rem; } }
.feature-title { font-size: clamp(1.8rem, 3.2vw, 2.6rem); line-height: 1.05; }
.feature-body p { font-size: 1.12rem; max-width: 34em; margin: 0; }
.feature-link { display: inline-block; margin-top: .9rem; }
.feature-art { margin: 1.4rem 0 0; max-width: 40rem; }
.feature-art img { width: 100%; border: 1px solid var(--line); border-radius: 4px; }
.feature-art figcaption { color: var(--dim); font-size: .88rem; margin-top: .4rem; }
.compare-wrap { margin: 1.6rem 0 0; max-width: 40rem; }
.compare { position: relative; aspect-ratio: 660 / 290; border-radius: 4px; overflow: hidden; border: 1px solid var(--line); }
.compare .pane { position: absolute; inset: 0; background-repeat: no-repeat; }
.compare .before { clip-path: inset(0 calc(100% - var(--x, 50%)) 0 0); }
.compare .handle { position: absolute; top: 0; bottom: 0; left: var(--x, 50%); width: 2px; margin-left: -1px; background: var(--ghost); pointer-events: none; }
.compare .handle::after { content: ""; position: absolute; top: 50%; left: 50%; width: 1.4rem; height: 1.4rem; margin: -.7rem; border-radius: 50%; background: var(--ghost); box-shadow: 0 0 14px rgba(168, 213, 205, .6); }
.compare input { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; cursor: ew-resize; margin: 0; }
.compare-labels { display: flex; justify-content: space-between; color: var(--dim); font-size: .88rem; margin-top: .4rem; }

.layers3 { list-style: none; margin: 0; padding: 0; display: grid; gap: .6rem; max-width: 56rem; }
.layers3 li { display: grid; grid-template-columns: 11rem 1fr auto; gap: 1.2rem; align-items: baseline; padding: 1.1rem 1.3rem; background: var(--mist); border: 1px solid var(--line); border-radius: 4px; }
.layers3 li:nth-child(1) { margin: 0 3rem; } .layers3 li:nth-child(2) { margin: 0 1.5rem; }
.layers3 li:last-child { background: var(--mist-hi); border-color: rgba(168, 213, 205, .35); }
.l-name { font-family: var(--f-title); font-size: 1.6rem; }
.l-holds { color: var(--dim); }
.l-change { color: var(--ghost); font-size: .95rem; white-space: nowrap; }
@media (max-width: 760px) {
  .layers3 li, .layers3 li:nth-child(1), .layers3 li:nth-child(2) { grid-template-columns: 1fr; gap: .2rem; margin: 0; }
  .l-change { white-space: normal; }
}

.toolset { list-style: none; margin: 0 0 3.5rem; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(17rem, 1fr)); gap: 1.6rem 2.4rem; }
.toolset h3 { font-size: 1.6rem; margin-bottom: .4rem; }
.toolset p { color: var(--dim); margin: 0; }
.demo-tabs { display: flex; gap: .4rem; flex-wrap: wrap; border-bottom: 1px solid var(--line); margin-bottom: 1.6rem; }
.demo-tab { font: inherit; color: var(--dim); background: none; border: 0; border-bottom: 2px solid transparent; padding: .6rem .2rem; margin-right: 1.4rem; cursor: pointer; font-size: 1.05rem; }
.demo-tab:hover { color: var(--bone); }
.demo-tab[aria-selected="true"] { color: var(--bone); border-bottom-color: var(--ghost); }
.demo-stage { max-width: 70rem; }

.stories { display: grid; max-width: 48rem; }
.story { border-top: 1px solid var(--line); }
.story:last-child { border-bottom: 1px solid var(--line); }
.story summary { cursor: pointer; list-style: none; padding: 1.1rem 2rem 1.1rem 0; position: relative; font-family: var(--f-title); font-size: clamp(1.35rem, 2.4vw, 1.75rem); line-height: 1.15; }
.story summary::-webkit-details-marker { display: none; }
.story summary::after { content: "+"; position: absolute; right: .2rem; top: 1rem; color: var(--ghost); font-family: var(--f-text); font-size: 1.4rem; transition: transform .2s; }
.story[open] summary::after { transform: rotate(45deg); }
.story p { margin: 0 0 1.4rem; color: var(--dim); max-width: 40em; }
.credits { max-width: 52rem; min-height: 0; }

/* ── tools page ─────────────────────────────────────────── */
:root { --mesh: #f08a3c; --mesh-2: #3ce0c8; }
.site-bar nav a[aria-current="page"] { color: var(--bone); }
.t-hero { padding: calc(7rem + env(safe-area-inset-top, 0px)) var(--pad) clamp(2rem, 5vw, 3rem); max-width: 60rem; }
.t-title { font-size: clamp(3rem, 8vw, 6rem); line-height: .95; margin: .2rem 0 1rem; }
.t-line { color: var(--dim); font-size: clamp(1.1rem, 1.8vw, 1.35rem); max-width: 30em; margin: 0; }

.mesh { padding: clamp(2rem, 5vw, 3.5rem) var(--pad) clamp(4rem, 9vw, 6rem); border-top: 1px solid var(--line); }
.mesh-head { display: grid; grid-template-columns: auto 1fr; gap: clamp(1rem, 3vw, 2rem); align-items: start; margin-bottom: 2.4rem; }
.mesh-logo { width: clamp(64px, 9vw, 104px); filter: drop-shadow(0 6px 24px rgba(60, 224, 200, .25)); }
.mesh-logo svg, .mv-card-logo svg, .teaser-logo svg { width: 100%; height: auto; display: block; }
.mesh-name { font-size: clamp(2.6rem, 6vw, 4.4rem); line-height: 1; }
.mesh-line { font-size: clamp(1.1rem, 1.8vw, 1.35rem); max-width: 30em; margin: .6rem 0 .5rem; }
.mesh-meta { color: var(--dim); font-size: .95rem; margin: 0 0 1.4rem; }
.mesh-by { color: var(--mesh-2); margin-left: .6rem; }
.mesh-buy { display: flex; flex-wrap: wrap; gap: .8rem 1.2rem; align-items: center; }
.btn-mesh { border-color: var(--mesh); background: var(--mesh); color: #1a1208; font-weight: 700; }
.btn-mesh:hover { background: #ffa25c; border-color: #ffa25c; color: #1a1208; }
.btn-off { border-color: var(--line); color: var(--dim); cursor: default; }
.btn-off:hover { background: none; color: var(--dim); }
.mesh-link { color: var(--mesh-2); }

/* the viewport card, and the viewport itself */
.mesh-demo { margin-bottom: 3rem; scroll-margin-top: 5rem; }
.mv-card { display: grid; justify-items: center; text-align: center; gap: .6rem; padding: clamp(2rem, 6vw, 3.5rem) 1.2rem; border: 1px solid var(--line); border-radius: 10px;
  background: radial-gradient(60% 80% at 50% 0%, rgba(60, 224, 200, .08), transparent 70%), #15171a; }
.mv-card-logo { width: 64px; margin-bottom: .2rem; }
.mv-card h3 { font-size: 2rem; }
.mv-card p { color: var(--dim); max-width: 30em; margin: 0 0 .6rem; }
.mv-card .btn { margin-top: .2rem; }
.mv-card .btn[disabled] { opacity: .6; cursor: progress; }
.mv-size { font-size: .85rem; opacity: .8; }
.mv-error { color: #e0846a; }
.mv { border: 1px solid var(--line); border-radius: 10px; overflow: hidden; background: #15171a; outline: none; }
.mv:focus-visible { box-shadow: 0 0 0 2px var(--mesh-2); }
.mv-bar { display: flex; flex-wrap: wrap; gap: .4rem .9rem; padding: .55rem .6rem; background: #1c1f23; border-bottom: 1px solid #2a2e33; }
.mv-group { display: flex; flex-wrap: wrap; gap: .25rem; }
.mv-btn { font: inherit; font-size: .85rem; color: #c9ccd1; background: #24282d; border: 1px solid #30353b; border-radius: 6px; padding: .3rem .6rem; cursor: pointer; }
.mv-btn:hover { border-color: #4a5058; color: #fff; }
.mv-btn[aria-pressed="true"] { background: var(--mesh); border-color: var(--mesh); color: #1a1208; }
.mv-swatches .mv-swatch { width: 1.6rem; height: 1.6rem; padding: 0; border-radius: 50%; border: 2px solid #30353b; }
.mv-stage { position: relative; height: clamp(300px, 52vw, 560px); touch-action: none; }
.mv-canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; cursor: grab; }
.mv-canvas:active { cursor: grabbing; }
.mv-hud, .mv-help { position: absolute; bottom: .6rem; font-size: .8rem; color: #9aa0a8; pointer-events: none; background: rgba(21, 23, 26, .75); padding: .2rem .5rem; border-radius: 5px; }
.mv-hud { left: .6rem; font-family: var(--f-code); }
.mv-help { right: .6rem; }
@media (max-width: 640px) {
  .mv-help { display: none; }
  .mv-bar { flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; -webkit-overflow-scrolling: touch; }
  .mv-bar::-webkit-scrollbar { display: none; }
  .mv-group { flex-wrap: nowrap; flex: none; }
  .mv-btn { white-space: nowrap; }
  .mv-stage { height: clamp(320px, 95vw, 440px); }
  .mv-hud { right: .6rem; }
}
.mv-note { color: var(--dim); font-size: .92rem; margin: .7rem 0 0; }

.mesh-shots { display: grid; grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr)); gap: 1rem; margin: 0 0 3rem; }
.mesh-shot { margin: 0; }
.mesh-shot img { border-radius: 6px; border: 1px solid var(--line); }
.mesh-shot figcaption { color: var(--dim); font-size: .9rem; margin-top: .4rem; }

.mesh-sub { font-size: clamp(1.9rem, 3.4vw, 2.6rem); margin: 0 0 1.2rem; }
.mesh-features { display: grid; grid-template-columns: repeat(auto-fit, minmax(17rem, 1fr)); gap: 0 2.4rem; margin-bottom: 3.5rem; }
.mesh-feature { padding: 1rem 0; border-top: 1px solid var(--line); }
.mesh-feature h4 { font-family: var(--f-title); font-weight: 400; font-size: 1.45rem; margin: 0 0 .3rem; }
.mesh-feature p { color: var(--dim); margin: 0; }

.editions { display: grid; grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr)); gap: 1rem; margin-bottom: 1.2rem; }
.edition { border: 1px solid var(--line); border-radius: 8px; padding: 1.1rem 1.2rem 1.3rem; background: var(--mist); }
.edition-top { border-color: rgba(240, 138, 60, .55); }
.edition h4 { font-family: var(--f-title); font-weight: 400; font-size: 1.8rem; margin: 0 0 .2rem; }
.edition-price { color: var(--mesh); margin: 0 0 .4rem; }
.edition ul { list-style: none; margin: .5rem 0 1rem; padding: 0; }
.edition li { padding: .3rem 0 .3rem 1.1rem; position: relative; color: var(--dim); font-size: .96rem; }
.edition li::before { content: ""; position: absolute; left: 0; top: .78em; width: .4rem; height: .4rem; border-radius: 50%; background: var(--mesh-2); }
.edition li.includes { color: var(--bone); }
.mesh-soon { color: var(--dim); font-size: .95rem; margin: 0; }

.more-tools { padding: clamp(3rem, 7vw, 5rem) var(--pad); border-top: 1px solid var(--line); }
.more-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 0; }
.more-tool { display: grid; grid-template-columns: 1fr auto; gap: 1rem 2rem; align-items: center; padding: 1.3rem 0; border-top: 1px solid var(--line); }
.more-tool h3 { font-size: 1.9rem; }
.more-status { color: var(--ghost); font-size: .92rem; margin: .2rem 0 .3rem; }
.more-tool p { margin: 0; color: var(--dim); }
.more-links { display: flex; gap: .7rem; flex-wrap: wrap; }
@media (max-width: 640px) { .more-tool { grid-template-columns: 1fr; } }

/* front page: tools in brief */
.tools-teaser { padding: clamp(3.5rem, 8vw, 6rem) var(--pad); border-top: 1px solid var(--line); }
.tools-teaser .sec-title { margin-bottom: 1.4rem; }
.tools-teaser-box { display: grid; grid-template-columns: auto 1fr; gap: 1.4rem; align-items: center; max-width: 46rem; }
.teaser-logo { width: 76px; filter: drop-shadow(0 6px 22px rgba(60, 224, 200, .25)); }
.tools-teaser-name { font-size: clamp(2rem, 4vw, 2.8rem); margin-bottom: .3rem; }
.tools-teaser-box p { color: var(--dim); margin: 0 0 1rem; }

/* viewport: faces and Beat Keys */
.mv-btn[disabled] { opacity: .4; cursor: default; }
.mv-btn[disabled]:hover { border-color: #30353b; color: #c9ccd1; }
.mv-ff { display: inline-flex; align-items: center; gap: .35rem; }
.mv-ff[aria-pressed="true"] { background: #2b2a1c; border-color: #ffe066; color: #ffe066; }
.mv-beats[hidden] { display: none; }
.mv-beats { background: #191b1f; border-bottom: 1px solid #2a2e33; align-items: center; }
.mv-beats .mv-group { align-items: center; }
.mv-field { display: inline-flex; align-items: center; gap: .35rem; font-size: .8rem; color: #9aa0a8; }
.mv-in { font: inherit; font-size: .85rem; color: #e6e1d6; background: #24282d; border: 1px solid #30353b; border-radius: 6px; padding: .25rem .35rem; }
.mv-in:focus { outline: 1px solid #3ce0c8; }
.mv-play { min-width: 4.6rem; }
.mv-primary { background: #ffe066; border-color: #ffe066; color: #1a1608; font-weight: 700; }
.mv-primary:hover { color: #1a1608; border-color: #fff0a8; background: #fff0a8; }
.mv-dots { display: inline-flex; gap: .3rem; margin-left: .2rem; }
.mv-dots i { width: .6rem; height: .6rem; border-radius: 50%; background: #30353b; transition: background .08s, box-shadow .08s; }
.mv-dots i.on { background: #ffe066; box-shadow: 0 0 8px #ffe066; }
.mv-dots i:first-child.on { background: #ff9d3c; box-shadow: 0 0 10px #ff9d3c; }
@media (max-width: 640px) { .mv-field span { display: none; } .mv-field span:empty { display: none; } }

/* the engine page's opening, with no game picture yet */
.e-hero.no-art { min-height: 62svh; background: radial-gradient(70rem 40rem at 75% 20%, #1c2328, var(--ink) 65%), var(--ink); }
.e-hero.no-art::after { background: radial-gradient(40rem 22rem at 80% 30%, rgba(168, 213, 205, .07), transparent 70%), linear-gradient(180deg, transparent 60%, var(--ink)); }