/* lintel.thisissbk.com
   One dark theme (the app is dark only), one accent (the app's own).
   Shapes: what you press is a pill, what holds content is a 28px panel, what sits inside a panel is 14px, a key is 7px.
   The island in the hero keeps the app's own colours, radii and typeface (Poppins): it is the product, not the page. */

@font-face { font-family: "Geist"; src: url("../fonts/Geist-Variable.woff2") format("woff2"); font-weight: 100 900; font-display: swap; }
@font-face { font-family: "Geist Mono"; src: url("../fonts/GeistMono-Variable.woff2") format("woff2"); font-weight: 100 900; font-display: swap; }
@font-face { font-family: "Poppins"; src: url("../fonts/poppins-latin-500-normal.woff2") format("woff2"); font-weight: 500; font-display: swap; }
@font-face { font-family: "Poppins"; src: url("../fonts/poppins-latin-600-normal.woff2") format("woff2"); font-weight: 600; font-display: swap; }

:root {
  color-scheme: dark;
  --bg: #0a0a0b;
  --raised: #151516;
  --sunk: #1c1c1e;
  --ink: #f5f5f7;
  --ink-2: #a6a6ab;
  --ink-3: #6f6f75;                     /* marks and rules only, never text */
  --line: rgb(255 255 255 / 0.11);
  --accent: #8ea2ff;
  --accent-ink: #0b0c0e;
  --ok: #34d399;
  --warn: #f5a524;
  --shadow: 0 1px 0 rgb(255 255 255 / 0.04) inset, 0 20px 60px -20px rgb(0 0 0 / 0.7);
  --sans: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Geist", "Segoe UI Variable Display", system-ui, sans-serif;
  --mono: ui-monospace, "SF Mono", "Geist Mono", "Cascadia Code", Menlo, Consolas, monospace;
  --app: "Poppins", "Geist", system-ui, sans-serif;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --panel: 28px;
  --inner: 14px;
  --nav: 52px;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; -webkit-tap-highlight-color: transparent; scroll-behavior: smooth; scroll-padding-top: calc(var(--nav) + 24px); }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 400 1.0625rem/1.5 var(--sans); letter-spacing: -0.011em;
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; overflow-x: hidden;
}
h1, h2, h3, h4, p, dl, dd, ul, ol, pre, figure, table { margin: 0; }
ul, ol { padding: 0; list-style: none; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 0.2em; }
button { font: inherit; color: inherit; letter-spacing: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
a, button, summary { touch-action: manipulation; }
img { display: block; max-width: 100%; height: auto; }
main:focus { outline: none; }
::selection { background: color-mix(in srgb, var(--accent) 30%, transparent); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }

.wrap { width: min(100% - 44px, 1040px); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.skip { position: fixed; left: 16px; top: 12px; z-index: 40; padding: 10px 16px; border-radius: 999px; background: var(--ink); color: var(--bg); text-decoration: none; transform: translateY(-80px); transition: transform 0.2s var(--ease); }
.skip:focus { transform: none; }
.ico { width: 1em; height: 1em; flex: none; fill: none; stroke: currentColor; stroke-width: 1.75; stroke-linecap: round; stroke-linejoin: round; }

/* The bar at the top: the only place the page blurs what is behind it. */
.nav {
  position: fixed; inset: 0 0 auto; z-index: 30; height: var(--nav);
  background: color-mix(in srgb, var(--bg) 76%, transparent);
  -webkit-backdrop-filter: saturate(180%) blur(20px); backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--line);
}
.nav-in { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.wordmark { display: inline-flex; align-items: center; gap: 9px; font-weight: 600; font-size: 1.1875rem; letter-spacing: -0.03em; text-decoration: none; }
.bot { width: 22px; height: 22px; flex: none; }
.nav-links { display: flex; align-items: center; gap: clamp(14px, 2.4vw, 28px); font-size: 0.875rem; }
.nav-links a { color: var(--ink-2); text-decoration: none; padding: 14px 0; transition: color 0.2s var(--ease); }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--ink); }
.nav-links .nav-get { padding: 6px 14px; border-radius: 999px; background: var(--ink); color: var(--bg); font-weight: 500; transition: background-color 0.2s var(--ease), transform 0.2s var(--ease); }
.nav-links .nav-get:hover { color: var(--bg); background: color-mix(in srgb, var(--ink) 86%, var(--bg)); }
.nav-links .nav-get:active { transform: scale(0.97); }
.nav-toggle { display: none; width: 40px; height: 40px; margin-right: -8px; border-radius: 50%; place-items: center; font-size: 1.375rem; color: var(--ink); }
.nav-toggle .ico { transition: transform 0.3s var(--ease); }
@media (prefers-reduced-transparency: reduce) { .nav { background: var(--bg); -webkit-backdrop-filter: none; backdrop-filter: none; } }

/* Type */
h1 { font-size: clamp(1.9rem, 8.7vw, 5.5rem); line-height: 1.04; letter-spacing: -0.042em; font-weight: 600; text-wrap: balance; }
h2 { font-size: clamp(2rem, 5vw, 3.5rem); line-height: 1.06; letter-spacing: -0.038em; font-weight: 600; text-wrap: balance; }
.lede { margin-top: clamp(20px, 3vh, 28px); max-width: 32em; font-size: clamp(1.1875rem, 2.2vw, 1.5rem); line-height: 1.35; letter-spacing: -0.02em; color: var(--ink-2); text-wrap: balance; }
.head { max-width: 760px; }
.head p { margin-top: 18px; max-width: 46ch; font-size: clamp(1.0625rem, 1.6vw, 1.3125rem); line-height: 1.4; letter-spacing: -0.018em; color: var(--ink-2); text-wrap: pretty; }
.head-center { margin-inline: auto; text-align: center; }
.head-center p { margin-inline: auto; }
section { padding: clamp(72px, 13vh, 140px) 0; }

/* Pressable things */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 48px; padding: 0 24px;
  border-radius: 999px; font-size: 1.0625rem; white-space: nowrap; text-decoration: none; cursor: pointer;
  transition: transform 0.2s var(--ease), background-color 0.2s var(--ease), color 0.2s var(--ease);
}
.btn:active { transform: scale(0.98); }
.btn-solid { background: var(--ink); color: var(--bg); font-weight: 500; }
.btn-solid:hover { background: color-mix(in srgb, var(--ink) 86%, var(--bg)); }
.btn-quiet { color: var(--ink-2); }
.btn-quiet:hover { color: var(--ink); background: var(--sunk); }
.btn .ico { font-size: 1.125rem; }
.row { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.seg { display: inline-flex; padding: 3px; border-radius: 999px; background: var(--sunk); max-width: 100%; }
.seg button { padding: 7px 16px; border-radius: 999px; font-size: 0.9375rem; color: var(--ink-2); white-space: nowrap; transition: background-color 0.3s var(--ease), color 0.3s var(--ease), box-shadow 0.3s var(--ease); }
.seg button:hover { color: var(--ink); }
.seg button[aria-pressed="true"] { background: var(--raised); color: var(--ink); box-shadow: 0 0 0 1px var(--line), 0 2px 6px -2px rgb(0 0 0 / 0.14); }
.more { display: inline-flex; align-items: center; gap: 6px; text-decoration: none; font-weight: 500; }
.more .ico { font-size: 0.95em; transition: transform 0.3s var(--ease); }
.more:hover .ico { transform: translate(2px, -2px); }

/* Hero */
.hero { padding: calc(var(--nav) + clamp(48px, 9vh, 88px)) 0 clamp(36px, 6vh, 56px); text-align: center; }
.hero .lede { margin-inline: auto; }
.hero .row { justify-content: center; margin-top: clamp(26px, 4vh, 38px); }

/* The stage: the one object on the page. A tray, and in it a screen with the island at its top edge. */
.demo { padding-top: 0; }
.stage { padding: 8px; border-radius: calc(var(--panel) + 8px); background: var(--sunk); box-shadow: 0 0 0 1px var(--line); }
.screen {
  --w: 440px; --h: 190px; --pw: 236px; --ph: 34px;
  position: relative; overflow: hidden; border-radius: var(--panel); box-shadow: var(--shadow);
  aspect-ratio: 16 / 7; min-height: 340px;
  background: radial-gradient(90% 70% at 50% 0%, #1b1e2c 0%, #111217 52%, #0c0c0e 100%);
}
.taskbar { position: absolute; inset: auto 0 0; height: 34px; display: flex; align-items: center; justify-content: center; gap: 9px; background: rgb(255 255 255 / 0.035); border-top: 1px solid rgb(255 255 255 / 0.05); }
.taskbar i { width: 15px; height: 15px; border-radius: 4px; background: rgb(255 255 255 / 0.1); }
.taskbar i:first-child { background: color-mix(in srgb, var(--accent) 55%, transparent); }

.island {
  position: absolute; top: 0; left: 50%; width: var(--w); height: var(--h); margin-left: calc(var(--w) / -2);
  background: #000; color: #f5f6f8; font: 500 12px/16px var(--app); letter-spacing: 0; text-align: left;
  clip-path: inset(0 calc((var(--w) - var(--pw)) / 2) calc(var(--h) - var(--ph)) round 0 0 14px 14px);
  transform: translateY(-40px);
  transition: transform 0.55s var(--ease), clip-path 0.6s var(--ease);
}
.island[data-mode="peek"] { transform: none; }
.island[data-mode="open"] { transform: none; clip-path: inset(0 0 0 0 round 0 0 22px 22px); }
.isl-bot { position: absolute; top: 5px; left: calc((var(--w) - var(--pw)) / 2 + 8px); width: 24px; height: 24px; transform-origin: 0 0; transition: transform 0.6s var(--ease); }
.island[data-mode="open"] .isl-bot { transform: translate(calc((var(--w) - var(--pw)) / -2 + 8px), 7px) scale(1.5); }
.isl-peek { position: absolute; top: 0; left: calc((var(--w) - var(--pw)) / 2); width: var(--pw); height: var(--ph); padding: 0 12px 0 40px; display: flex; align-items: center; justify-content: space-between; gap: 10px; transition: opacity 0.2s var(--ease); }
.island[data-mode="open"] .isl-peek { opacity: 0; }
.isl-peek b { font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.isl-peek span { display: inline-flex; align-items: center; gap: 6px; color: #c9cdd4; font-variant-numeric: tabular-nums; }
.isl-level { width: 64px; height: 4px; border-radius: 2px; background: rgb(255 255 255 / 0.16); overflow: hidden; }
.isl-level i { display: block; height: 100%; border-radius: 2px; background: #f5f6f8; transform-origin: 0 50%; transform: scaleX(0.4); transition: transform 0.7s var(--ease); }
.bars { display: inline-flex; align-items: flex-end; gap: 2px; height: 12px; }
.bars i { width: 2.5px; height: 100%; border-radius: 1px; background: var(--accent); transform-origin: 50% 100%; transform: scaleY(0.3); }
.isl-open { position: absolute; inset: 0; padding: 14px 16px 16px; opacity: 0; visibility: hidden; transform: translateY(4px); transition: opacity 0.2s var(--ease), transform 0.3s var(--ease), visibility 0s 0.2s; }
.island[data-mode="open"][data-scene="ask"] .isl-ask, .island[data-mode="open"][data-scene="play"] .isl-play { opacity: 1; visibility: visible; transform: none; transition-delay: 0.22s, 0.22s, 0s; }
.isl-head { height: 30px; padding-left: 48px; display: flex; align-items: center; justify-content: space-between; color: #9398a1; }
.isl-head > * { white-space: nowrap; }
.isl-head b { color: #f5f6f8; font-weight: 600; font-size: 13px; }
.isl-card { margin-top: 12px; padding: 10px 12px; border-radius: 14px; background: #141518; }
.isl-card small { display: block; margin-top: 2px; font-size: 11px; line-height: 14px; color: #9398a1; }
.isl-card code { display: block; font: 500 12.5px/18px var(--mono); color: #f5f6f8; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.isl-acts { margin-top: 12px; display: flex; justify-content: space-between; gap: 8px; }
.isl-btn { height: 30px; padding: 0 14px; border-radius: 10px; font: 500 12px/1 var(--app); background: #22252c; color: #f5f6f8; transition: transform 0.15s var(--ease), background-color 0.15s var(--ease); }
.isl-btn:hover { background: #2c3038; }
.isl-btn:active, .isl-btn.press { transform: scale(0.95); }
.isl-btn.go { background: var(--accent); color: var(--accent-ink); font-weight: 600; }
.isl-btn.go:hover { background: #a3b3ff; }
.isl-btn.no { background: rgb(244 80 94 / 0.16); color: #f7919b; }
.isl-btn.no:hover { background: rgb(244 80 94 / 0.26); }
.isl-song { margin-top: 12px; display: grid; grid-template-columns: 56px 1fr; gap: 12px; align-items: center; }
.isl-art { width: 56px; height: 56px; border-radius: 10px; background: linear-gradient(140deg, #8ea2ff 0 38%, #3b4372 38% 62%, #171a2b 62%); }
.isl-song b { display: block; font-weight: 600; font-size: 13px; line-height: 18px; }
.isl-song small { display: block; font-size: 12px; color: #9398a1; }
.isl-seek { margin-top: 14px; display: grid; grid-template-columns: auto 1fr auto; gap: 10px; align-items: center; font-size: 11px; color: #9398a1; font-variant-numeric: tabular-nums; }
.isl-seek div { height: 4px; border-radius: 2px; background: rgb(255 255 255 / 0.16); overflow: hidden; }
.isl-seek i { display: block; height: 100%; background: #f5f6f8; border-radius: 2px; transform-origin: 0 50%; transform: scaleX(0.33); }
.isl-keys { margin-top: 6px; display: flex; justify-content: center; gap: 14px; }
.isl-keys button { width: 30px; height: 30px; border-radius: 10px; display: grid; place-items: center; font-size: 18px; color: #f5f6f8; transition: background-color 0.15s var(--ease), transform 0.15s var(--ease); }
.isl-keys button:hover { background: #22252c; }
.isl-keys button:active { transform: scale(0.92); }
.isl-keys .ico { fill: currentColor; stroke-width: 1.5; }
.demo-foot { margin-top: 22px; display: grid; justify-items: center; gap: 16px; text-align: center; }
.demo-foot p { max-width: 52ch; min-height: 3em; color: var(--ink-2); text-wrap: balance; }

/* Figures: type and space, no boxes. */
.figures { margin-top: clamp(44px, 8vh, 80px); display: grid; grid-template-columns: 1fr 1fr; gap: clamp(44px, 8vh, 88px) clamp(28px, 6vw, 96px); }
.figures > div:nth-child(even) { margin-top: clamp(0px, 6vw, 72px); }
.figures dt { font-size: clamp(3.5rem, 9vw, 6.5rem); line-height: 0.95; font-weight: 600; letter-spacing: -0.05em; font-variant-numeric: tabular-nums; }
.figures dt small { font-size: 0.34em; font-weight: 500; letter-spacing: -0.02em; margin-left: 0.14em; color: var(--ink-2); }
.figures dd { margin-top: 16px; max-width: 34ch; color: var(--ink-2); line-height: 1.45; text-wrap: pretty; }
.figures dd b { display: block; margin-bottom: 6px; color: var(--ink); font-size: 1.3125rem; font-weight: 600; letter-spacing: -0.025em; line-height: 1.2; }

/* Pictures of the app. A picture sits in a 14px frame; until its file exists the frame holds the mascot, quietly. */
.shot { position: relative; border-radius: var(--inner); background: var(--raised); box-shadow: 0 0 0 1px var(--line); overflow: hidden; }
.shot img { width: 100%; }
.shot.empty img { visibility: hidden; }
.shot.empty::after { content: ""; position: absolute; inset: 0; background: url("../img/mark.svg") center / 44px no-repeat; opacity: 0.22; }
figure > figcaption { margin-top: 12px; font-size: 0.9375rem; line-height: 1.45; color: var(--ink-2); text-wrap: pretty; }
figure > figcaption b { color: var(--ink); font-weight: 500; }
.trio { margin-top: clamp(36px, 6vh, 56px); display: grid; grid-template-columns: 1.17fr 1fr; gap: 20px; align-items: start; }
.trio-col { display: grid; gap: 20px; }
.after { margin-top: 26px; }

.gallery { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 5vh, 44px) 20px; align-items: start; }
.gallery figure.full { grid-column: 1 / -1; }
.gallery figure.small { grid-column: 1 / -1; justify-self: center; width: min(100%, 486px); text-align: center; }
.gallery .shot { width: 100%; cursor: zoom-in; display: block; transition: transform 0.5s var(--ease), box-shadow 0.3s var(--ease); }
.gallery .shot:hover { transform: scale(1.012); box-shadow: 0 0 0 1px rgb(255 255 255 / 0.2); }
dialog.lightbox { border: 0; padding: 0; background: none; color: var(--ink); max-width: min(94vw, 1500px); max-height: 94vh; overflow: visible; }
dialog.lightbox::backdrop { background: rgb(5 5 6 / 0.9); }
dialog.lightbox img { max-width: min(94vw, 1500px); max-height: 82vh; width: auto; height: auto; border-radius: var(--inner); box-shadow: 0 0 0 1px var(--line), var(--shadow); margin-inline: auto; }
dialog.lightbox p { margin-top: 14px; text-align: center; color: var(--ink-2); font-size: 0.9375rem; }
dialog.lightbox form { position: fixed; top: 14px; right: 14px; }
.icon-btn { width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center; font-size: 1.25rem; background: var(--sunk); color: var(--ink-2); transition: transform 0.2s var(--ease), color 0.2s var(--ease); }
.icon-btn:hover { color: var(--ink); }
.icon-btn:active { transform: scale(0.94); }

/* An index: names and one line each, a hairline over the whole, none between. */
.index { margin-top: clamp(36px, 6vh, 56px); padding-top: 28px; border-top: 1px solid var(--line); display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px clamp(24px, 4vw, 56px); }
.index h3 { font-size: 1.1875rem; font-weight: 600; letter-spacing: -0.025em; }
.index p { margin-top: 4px; color: var(--ink-2); font-size: 0.9375rem; line-height: 1.45; text-wrap: pretty; }

.cta { text-align: center; }
.cta .bot { width: 64px; height: 64px; margin: 0 auto 26px; display: block; }
.cta p { margin: 18px auto 0; max-width: 44ch; color: var(--ink-2); font-size: clamp(1.0625rem, 1.6vw, 1.3125rem); line-height: 1.4; letter-spacing: -0.018em; text-wrap: balance; }
.cta .row { justify-content: center; margin-top: 30px; }

/* Inner pages */
.page-head { padding: calc(var(--nav) + clamp(52px, 9vh, 96px)) 0 clamp(36px, 6vh, 64px); }
.page-head h1 { font-size: clamp(2.5rem, 6.6vw, 4.5rem); max-width: 14em; }
.page-head + section { padding-top: 0; }
.fine { font-size: 0.875rem; line-height: 1.5; color: var(--ink-2); text-wrap: pretty; }
.fine a, .prose a, .note a, .feat a, .index a { color: var(--ink); }
kbd { display: inline-block; padding: 1px 7px; border-radius: 7px; background: var(--sunk); box-shadow: 0 0 0 1px var(--line); font: 500 0.8125em/1.6 var(--mono); letter-spacing: 0; white-space: nowrap; color: var(--ink); }
code { font: 500 0.9em var(--mono); letter-spacing: 0; }
.tag { display: inline-block; margin: 6px 6px 0 0; padding: 2px 9px; border-radius: 7px; font-size: 0.8125rem; line-height: 1.5; color: var(--ink-2); background: var(--sunk); white-space: nowrap; }
.tag.off { color: var(--accent); background: color-mix(in srgb, var(--accent) 12%, transparent); }

.prose { max-width: 70ch; }
.prose > * + * { margin-top: 18px; }
.prose h2 { font-size: clamp(1.75rem, 3.6vw, 2.5rem); letter-spacing: -0.035em; margin-top: clamp(64px, 10vh, 104px); scroll-margin-top: calc(var(--nav) + 24px); }
.prose h2:first-child { margin-top: 0; }
.prose h3 { font-size: 1.3125rem; font-weight: 600; letter-spacing: -0.025em; line-height: 1.25; margin-top: 44px; scroll-margin-top: calc(var(--nav) + 24px); }
.prose p, .prose li { color: var(--ink-2); line-height: 1.6; text-wrap: pretty; }
.prose strong { color: var(--ink); font-weight: 500; }
.prose ul { display: grid; gap: 8px; }
.prose ul li { position: relative; padding-left: 20px; }
.prose ul li::before { content: ""; position: absolute; left: 3px; top: 0.72em; width: 6px; height: 1.5px; background: var(--ink-3); }
.steps { counter-reset: step; display: grid; gap: 22px; margin-top: 26px; }
.steps > li { counter-increment: step; position: relative; padding-left: 52px; min-height: 34px; }
.steps > li::before { content: counter(step); position: absolute; left: 0; top: -2px; width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center; background: var(--sunk); color: var(--ink); font-weight: 600; font-size: 0.9375rem; font-variant-numeric: tabular-nums; }
.steps > li strong { display: block; font-weight: 600; letter-spacing: -0.02em; font-size: 1.125rem; margin-bottom: 2px; }
.prose figure { margin-top: 28px; }
.note { padding: 18px 20px; border-radius: var(--inner); background: var(--raised); box-shadow: 0 0 0 1px var(--line); color: var(--ink-2); line-height: 1.55; }
.note strong { color: var(--ink); font-weight: 600; }
pre { padding: 18px 20px; border-radius: var(--inner); background: var(--sunk); box-shadow: 0 0 0 1px var(--line); overflow-x: auto; font: 400 0.9063rem/1.65 var(--mono); letter-spacing: 0; color: var(--ink); }
pre code { font: inherit; }

/* Tables: one hairline under the head, none per row. */
.table { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 0.9375rem; }
th, td { padding: 9px 20px 9px 0; text-align: left; vertical-align: top; font-weight: 400; line-height: 1.5; color: var(--ink-2); }
th:last-child, td:last-child { padding-right: 0; }
thead th { font-size: 0.875rem; padding-bottom: 12px; border-bottom: 1px solid var(--line); white-space: nowrap; }
tbody tr:first-child > * { padding-top: 16px; }
tbody th, td.strong { color: var(--ink); font-weight: 500; }
td.keys { white-space: nowrap; }

/* A page with a list of its parts beside it */
.split { display: grid; grid-template-columns: 200px minmax(0, 1fr); gap: clamp(32px, 6vw, 88px); align-items: start; }
.toc { position: sticky; top: calc(var(--nav) + 28px); display: grid; gap: 2px; font-size: 0.9375rem; }
.toc a { padding: 5px 0; color: var(--ink-2); text-decoration: none; transition: color 0.2s var(--ease); }
.toc a:hover { color: var(--ink); }

/* The whole feature list: a group name on the left, its features on the right, a hairline over each group. */
.fgroup { display: grid; grid-template-columns: 200px minmax(0, 1fr); gap: 8px clamp(32px, 6vw, 88px); padding: 34px 0 30px; border-top: 1px solid var(--line); scroll-margin-top: calc(var(--nav) + 8px); }
.fgroup > h2 { font-size: 1.75rem; letter-spacing: -0.035em; line-height: 1.15; }
.fgroup > h2 small { display: block; margin-top: 8px; font-size: 0.9375rem; font-weight: 400; letter-spacing: -0.011em; line-height: 1.45; color: var(--ink-2); }
.feats { display: grid; grid-template-columns: 1fr 1fr; gap: 30px clamp(24px, 4vw, 48px); }
.feat h3 { font-size: 1.125rem; font-weight: 600; letter-spacing: -0.02em; }
.feat p { margin-top: 4px; color: var(--ink-2); font-size: 0.9688rem; line-height: 1.5; text-wrap: pretty; }
.legend { display: flex; flex-wrap: wrap; gap: 4px 18px; margin-bottom: 34px; color: var(--ink-2); font-size: 0.9375rem; align-items: baseline; }
.legend .tag { margin: 0 6px 0 0; }

/* Download */
.get { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); gap: clamp(28px, 5vw, 72px); align-items: start; }
.get-card { padding: 8px; border-radius: calc(var(--panel) + 8px); background: var(--sunk); box-shadow: 0 0 0 1px var(--line); }
.get-in { padding: clamp(26px, 4vw, 40px); border-radius: var(--panel); background: var(--raised); box-shadow: var(--shadow); }
.get-in h2 { font-size: clamp(1.75rem, 3.4vw, 2.25rem); }
.get-in .btn { margin-top: 24px; }
.facts { margin-top: 28px; padding-top: 22px; border-top: 1px solid var(--line); display: grid; grid-template-columns: repeat(3, auto); justify-content: space-between; gap: 16px; }
.facts dt { font-size: 0.8125rem; color: var(--ink-2); }
.facts dd { font-size: 1.1875rem; font-weight: 600; letter-spacing: -0.025em; font-variant-numeric: tabular-nums; }
.plain { display: grid; gap: 14px; color: var(--ink-2); line-height: 1.55; }
.plain li { padding-left: 20px; position: relative; text-wrap: pretty; }
.plain li::before { content: ""; position: absolute; left: 3px; top: 0.72em; width: 6px; height: 1.5px; background: var(--ink-3); }
.plain strong { color: var(--ink); font-weight: 500; }

/* Credits */
.credits { margin-top: 26px; display: grid; gap: 28px; }
.credits h3 { margin-top: 0; }
.credits p { margin-top: 6px; }

.footer { padding: 34px 0 54px; border-top: 1px solid var(--line); font-size: 0.875rem; line-height: 1.5; color: var(--ink-2); display: grid; gap: 18px; }
.footer nav { display: flex; flex-wrap: wrap; gap: 6px 22px; }
.footer nav a { color: var(--ink-2); text-decoration: none; padding: 4px 0; transition: color 0.2s var(--ease); }
.footer nav a:hover { color: var(--ink); }
.footer p { max-width: 82ch; }
.footer p a { color: var(--ink); }

.lost { min-height: 100dvh; display: grid; place-content: center; justify-items: center; text-align: center; padding: var(--nav) 22px 0; gap: 0; }
.lost .bot { width: 72px; height: 72px; margin-bottom: 28px; }

/* Motion: things arrive once, quietly. The only things that keep moving are the island and the mascot's blink. */
@media (prefers-reduced-motion: no-preference) {
  .rise { animation: rise 0.9s var(--ease) both; }
  .rise:nth-child(2) { animation-delay: 0.08s; }
  .rise:nth-child(3) { animation-delay: 0.16s; }
  .rise-late { animation: rise 1s var(--ease) 0.24s both; }
  .js .reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); transition-delay: calc(var(--i, 0) * 70ms); }
  .js .reveal.in { opacity: 1; transform: none; }
  .bot-bar { transform-box: fill-box; transform-origin: center; animation: blink 5.4s infinite; }
  .island[data-play="1"] .bars i { animation: bar 0.9s ease-in-out infinite alternate; }
  .bars i:nth-child(2) { animation-delay: -0.5s !important; }
  .bars i:nth-child(3) { animation-delay: -0.2s !important; }
  .bars i:nth-child(4) { animation-delay: -0.7s !important; }
  .island[data-play="1"][data-scene="play"] .isl-seek i { animation: seek 40s linear both; }
}
@keyframes rise { from { opacity: 0; transform: translateY(18px); } }
@keyframes blink { 0%, 96%, 100% { transform: scaleY(1); } 98% { transform: scaleY(0.12); } }
@keyframes bar { from { transform: scaleY(0.25); } to { transform: scaleY(1); } }
@keyframes seek { from { transform: scaleX(0.33); } to { transform: scaleX(0.52); } }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition-duration: 0.01ms !important; transition-delay: 0s !important; }
}

@media (max-width: 860px) {
  .nav-toggle { display: grid; }
  .nav-links {
    position: fixed; inset: var(--nav) 0 auto; flex-direction: column; align-items: stretch; gap: 0; padding: 8px 22px 22px;
    background: var(--bg); border-bottom: 1px solid var(--line); font-size: 1.0625rem;
    opacity: 0; visibility: hidden; transform: translateY(-8px); transition: opacity 0.25s var(--ease), transform 0.35s var(--ease), visibility 0s 0.25s;
  }
  .nav.open .nav-links { opacity: 1; visibility: visible; transform: none; transition-delay: 0s; }
  .nav.open .nav-toggle .ico { transform: rotate(90deg); }
  .nav-links a { padding: 13px 0; }
  .nav-links .nav-get { margin-top: 12px; padding: 13px 18px; text-align: center; }
  .split, .fgroup { grid-template-columns: 1fr; }
  .toc { position: static; grid-template-columns: 1fr 1fr; gap: 0 20px; padding-bottom: 28px; margin-bottom: 8px; border-bottom: 1px solid var(--line); }
  .fgroup > h2 { margin-bottom: 14px; }
  .get { grid-template-columns: 1fr; }
  .index { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 620px) {
  .screen { --w: 300px; --h: 196px; --pw: 220px; aspect-ratio: auto; min-height: 380px; }
  .isl-btn { padding: 0 11px; }
  .figures { grid-template-columns: 1fr; }
  .figures > div:nth-child(even) { margin-top: 0; }
  .trio, .gallery { grid-template-columns: 1fr; }
  .feats { grid-template-columns: 1fr; gap: 24px; }
  .hero .btn { width: 100%; }
  .facts { grid-template-columns: 1fr 1fr; justify-content: start; }
  th, td { padding-right: 14px; }
}
@media (max-width: 420px) {
  .index { grid-template-columns: 1fr; }
  .toc { grid-template-columns: 1fr; }
  .screen { --w: 284px; --pw: 212px; }
}

/* The small island shows the level only for a level, the bars only for a song. */
.island:not([data-scene="level"]) .isl-lv, .island:not([data-scene="play"]) .isl-peek .bars { display: none; }
.nav-links .nav-get[aria-current="page"] { color: var(--bg); }
@media (max-width: 860px) {
  .split, .fgroup { grid-template-columns: minmax(0, 1fr); }
}
dialog.lightbox { overscroll-behavior: contain; }
@media (max-width: 620px) { .screen { min-height: 300px; } }