/* The homepage (/). Loaded only by home.html, after styles.css and site.css, so the other pages do not
   carry it. Sections are centred under the pill; the showcase scenes stay left aligned inside the stage. */
.home { display: block; padding: 0; max-width: none; }
.home section { text-align: center; }
.home h1, .home h2 { color: var(--text); }
.home .eyebrow::before, .home section > h2::before { content: none; }
.home .eyebrow { display: block; margin: 0; font: 600 var(--type-meta)/1.3 var(--font-mono); letter-spacing: 0.16em; text-transform: uppercase; color: var(--text-3); }
.home .eyebrow.accent { color: var(--accent); }
.home .muted { margin: 0; font: 400 12px/1.5 var(--font-mono); letter-spacing: 0.04em; color: var(--text-3); }

.home-hero { display: grid; justify-items: center; gap: 28px; padding: 88px 24px 56px; }
.home-hero h1 { margin: 0; max-width: 16ch; font: 500 clamp(40px, 7vw, 76px)/1.1 var(--font-serif); letter-spacing: -0.02em; text-wrap: balance; max-width: none; }
.home-hero h1 em { font-style: normal; color: var(--accent); }
.home-hero .lede { margin: 0; max-width: 640px; font-size: clamp(17px, 2vw, 20px); line-height: 1.5; color: var(--text-2); }

/* The showcase: Ask / Verify / Watch as a tablist over one stable stage. Scenes overlap in one grid cell so the stage keeps the tallest scene's height. */
.home-showcase { display: grid; justify-items: center; gap: 28px; padding: 0 24px 72px; }
.home-modes { display: flex; justify-content: center; gap: clamp(28px, 6vw, 72px); }
.home-modes button { position: relative; padding: 8px 0 10px; border: 0; background: transparent; font: 600 11px/1 var(--font-mono); letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-3); cursor: pointer; }
.home-modes button:hover { color: var(--text-2); }
.home-modes button[aria-selected="true"] { color: var(--text); }
.home-modes button[aria-selected="true"]::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 2px; background: var(--gold); }
.home-modes button:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
.home-stage { display: grid; width: min(1080px, 100%); min-height: 440px; border: 1px solid var(--border-strong); background: var(--bg); text-align: left; }
.home-scene { grid-area: 1 / 1; display: grid; align-content: start; padding: 40px 44px; transition: opacity 140ms ease, transform 140ms ease, visibility 0s; }
.home-scene:not(.is-active) { visibility: hidden; opacity: 0; transform: translateY(3px); pointer-events: none; transition: opacity 140ms ease, transform 140ms ease, visibility 0s 140ms; }
.home-scene p { margin: 0; }
.scene-label { font: 600 10px/1.3 var(--font-mono); letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-3); }
.scene-meta { font: 400 11px/1.6 var(--font-mono); letter-spacing: 0.06em; text-transform: uppercase; color: var(--text-3); }
.scene-figure { font: 500 44px/1.1 var(--font-serif); color: var(--text); }
.home-trial { text-transform: uppercase; text-wrap: balance; }

.scene-ask { gap: 28px; }
.ask-question { margin-top: -18px; font: 500 clamp(22px, 2.6vw, 28px)/1.35 var(--font-serif); color: var(--text); max-width: 34ch; }
.ask-response { display: grid; grid-template-columns: minmax(0, 1fr) 220px; gap: 56px; padding-top: 28px; border-top: 1px solid var(--border-strong); }
.ask-answer { display: grid; gap: 12px; align-content: start; font-size: 17px; line-height: 1.55; color: var(--text); }
.ask-signal { display: grid; gap: 8px; align-content: start; }
.ask-evidence { display: grid; gap: 12px; padding-top: 24px; border-top: 1px solid var(--border-strong); }
.ask-evidence ol { display: grid; gap: 8px; margin: 0; padding: 0; list-style: none; font-size: 14px; line-height: 1.5; color: var(--text-2); }
.ask-evidence li span { margin-right: 14px; font: 600 11px/1 var(--font-mono); color: var(--text-3); }

.scene-verify { grid-template-columns: minmax(0, 11fr) minmax(0, 9fr); align-content: stretch; padding: 0; }
/* Simulation colours, scoped here and not part of the site palette: the forwarded message is an external artifact, so it keeps
   its own warm paper and highlighter in both themes, with fixed light-theme ink. */
.scene-verify { --message-paper: #f4f4f2; --message-mark: #e8dfa9; }
.verify-message { --text: #0a0a0a; --text-2: #3a3a3a; --text-3: #595959; display: grid; align-content: start; gap: 16px; padding: 40px 44px; background: var(--message-paper); color: var(--text-2); font-size: 16px; line-height: 1.6; }
.verify-message p { color: var(--text-2); }
.verify-message .scene-label { color: var(--text-3); }
.verify-message .verify-title { font: 600 22px/1.4 var(--font-sans); color: var(--text); }
.verify-message .verify-claim { padding: 2px 0; background: var(--message-mark); color: var(--text); }
.verify-result { display: grid; align-content: start; gap: 16px; padding: 40px 44px; border-left: 1px solid var(--border-strong); }
.verify-verdict { font: 500 clamp(28px, 3.4vw, 34px)/1.15 var(--font-serif); color: var(--text); }
.verify-summary { font-size: 16px; line-height: 1.5; color: var(--text-2); }
.verify-caution { display: grid; gap: 6px; padding-left: 14px; border-left: 2px solid var(--status-warning); font-size: 13px; line-height: 1.5; color: var(--text-2); }
.verify-caution strong { font: 600 10px/1.3 var(--font-mono); letter-spacing: 0.14em; text-transform: uppercase; color: var(--status-warning); }
.verify-position { display: grid; gap: 8px; padding-top: 16px; border-top: 1px solid var(--border-strong); font-size: 14px; line-height: 1.5; color: var(--text-2); }

.scene-watch { gap: 28px; }
.watch-topic { display: grid; gap: 8px; }
.watch-name { font: 500 clamp(22px, 2.6vw, 28px)/1.3 var(--font-serif); color: var(--text); }
.watch-name .scene-meta { display: block; margin-top: 6px; }
.watch-shift { display: grid; gap: 12px; padding: 28px 0; border-top: 1px solid var(--border-strong); border-bottom: 1px solid var(--border-strong); font-size: 16px; line-height: 1.5; color: var(--text-2); }
.watch-figures { display: flex; align-items: baseline; gap: 18px; }
.watch-from { font: 500 28px/1 var(--font-serif); color: var(--text-3); }
.watch-arrow { font: 400 22px/1 var(--font-mono); color: var(--text-3); }
.watch-to { font: 500 48px/1 var(--font-serif); color: var(--text); }
.watch-alert { display: grid; gap: 8px; font-size: 16px; line-height: 1.5; color: var(--text); }

/* The page's implied footer: a measurement field progressively losing resolution (coherent, then disturbed, then a few residual readings, then silence). Static and decorative; nothing in it is a link. */
.home-field { --field-opacity: 0.26; --disturbed-opacity: 0.18; position: relative; height: clamp(360px, 41vw, 560px); overflow: hidden; pointer-events: none; }
html[data-gst-theme="dark"] .home-field { --field-opacity: 0.18; --disturbed-opacity: 0.13; }
.home-field-coherent { position: absolute; inset: 0 0 65% 0; opacity: var(--field-opacity); background-image: radial-gradient(circle, var(--text-3) 0 0.8px, transparent 1px); background-size: 24px 24px;
  -webkit-mask-image: linear-gradient(to bottom, transparent 0%, #000 18%, #000 82%, transparent 100%); mask-image: linear-gradient(to bottom, transparent 0%, #000 18%, #000 82%, transparent 100%); }
.home-field-disturbed { position: absolute; inset: 24% 0 22%;
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, #000 28%, rgba(0,0,0,0.75) 52%, rgba(0,0,0,0.32) 76%, transparent 100%); mask-image: linear-gradient(to bottom, #000 0%, #000 28%, rgba(0,0,0,0.75) 52%, rgba(0,0,0,0.32) 76%, transparent 100%); }
/* Same 24px rhythm, phase-shifted a few px and with slightly larger dots, each thinned by its own soft elliptical masks. */
.disturbed { position: absolute; inset: 0; background-size: 24px 24px; }
.d1 { background-image: radial-gradient(circle, var(--text-3) 0 1.1px, transparent 1.35px); background-position: 0 0; opacity: var(--disturbed-opacity);
  -webkit-mask-image: radial-gradient(ellipse 34% 46% at 16% 34%, #000 0 40%, transparent 100%), radial-gradient(ellipse 30% 40% at 55% 42%, #000 0 36%, transparent 100%), radial-gradient(ellipse 22% 34% at 88% 66%, #000 0 30%, transparent 100%);
  mask-image: radial-gradient(ellipse 34% 46% at 16% 34%, #000 0 40%, transparent 100%), radial-gradient(ellipse 30% 40% at 55% 42%, #000 0 36%, transparent 100%), radial-gradient(ellipse 22% 34% at 88% 66%, #000 0 30%, transparent 100%); }
.d2 { background-image: radial-gradient(circle, var(--text-3) 0 1.3px, transparent 1.55px); background-position: 5px 2px; opacity: calc(var(--disturbed-opacity) * 0.7);
  -webkit-mask-image: radial-gradient(ellipse 26% 40% at 34% 26%, #000 0 34%, transparent 100%), radial-gradient(ellipse 24% 36% at 76% 30%, #000 0 32%, transparent 100%), radial-gradient(ellipse 20% 30% at 8% 74%, #000 0 30%, transparent 100%);
  mask-image: radial-gradient(ellipse 26% 40% at 34% 26%, #000 0 34%, transparent 100%), radial-gradient(ellipse 24% 36% at 76% 30%, #000 0 32%, transparent 100%), radial-gradient(ellipse 20% 30% at 8% 74%, #000 0 30%, transparent 100%); }
.d3 { background-image: radial-gradient(circle, var(--text-3) 0 1.5px, transparent 1.75px); background-position: -3px 6px; opacity: calc(var(--disturbed-opacity) * 0.5);
  -webkit-mask-image: radial-gradient(ellipse 22% 34% at 46% 62%, #000 0 32%, transparent 100%), radial-gradient(ellipse 18% 30% at 70% 54%, #000 0 30%, transparent 100%), radial-gradient(ellipse 24% 28% at 22% 70%, #000 0 28%, transparent 100%);
  mask-image: radial-gradient(ellipse 22% 34% at 46% 62%, #000 0 32%, transparent 100%), radial-gradient(ellipse 18% 30% at 70% 54%, #000 0 30%, transparent 100%), radial-gradient(ellipse 24% 28% at 22% 70%, #000 0 28%, transparent 100%); }
/* The dominant failure axis: a skewed, softened region where acquisition is weakest, drifting from about 61% to 67%. */
/* Feathered on every side (a radial fade, not a clipped box) so it reads as weakened acquisition rather than a stripe. */
.home-field::after { content: ""; position: absolute; left: 57%; top: 24%; width: 20%; height: 64%; opacity: 0.7; transform: skewX(-4deg); background: radial-gradient(ellipse closest-side, var(--bg) 0, var(--bg) 30%, transparent 100%); }
/* Residual readings are placed one by one: no grid, clustered at the failure axis, and they end well above the closing cluster. */
.home-field-residual { position: absolute; inset: 56% 0 20%; z-index: 1; }
.reading { position: absolute; left: var(--x); top: var(--y); width: var(--s); height: var(--s); border-radius: 50%; background: var(--text-3); opacity: 0.62; }
.r1 { --x: 8%; --y: 14%; --s: 2px; }
.r2 { --x: 19%; --y: 40%; --s: 2px; }
.r3 { --x: 31%; --y: 20%; --s: 2px; }
.r4 { --x: 44%; --y: 50%; --s: 2.5px; }
.r5 { --x: 55%; --y: 10%; --s: 2px; }
.r6 { --x: 61%; --y: 44%; --s: 2px; }
.r7 { --x: 72%; --y: 14%; --s: 2px; }
.r8 { --x: 78%; --y: 56%; --s: 2px; }
.r9 { --x: 86%; --y: 20%; --s: 2px; }
.r10 { --x: 94%; --y: 8%; --s: 2px; }
/* The last surviving cluster: a few dots that loosely resolve into the F, with a tiny name beside them. Static, no frame or rule. */
.home-field-terminal-cluster { position: absolute; right: 28px; bottom: 28px; display: grid; justify-items: end; gap: 10px; }
.terminal-glyph { --glyph-opacity: 0.5; display: grid; grid-template-columns: repeat(4, 6px); grid-template-rows: repeat(7, 6px); gap: 4px; width: max-content; }
.terminal-glyph .g { align-self: center; justify-self: center; width: 3px; height: 3px; border-radius: 50%; background: var(--text-3); opacity: var(--glyph-opacity); animation: glyph-blink 4.5s ease-in-out infinite; }
.terminal-glyph .g:nth-child(1) { grid-area: 1 / 1; }
.terminal-glyph .g:nth-child(2) { grid-area: 1 / 2; }
.terminal-glyph .g:nth-child(3) { grid-area: 1 / 3; }
.terminal-glyph .g:nth-child(4) { grid-area: 1 / 4; }
.terminal-glyph .g:nth-child(5) { grid-area: 2 / 1; }
.terminal-glyph .g:nth-child(6) { grid-area: 3 / 1; }
.terminal-glyph .g:nth-child(7) { grid-area: 4 / 1; }
.terminal-glyph .g:nth-child(8) { grid-area: 4 / 2; }
.terminal-glyph .g:nth-child(9) { grid-area: 4 / 3; }
.terminal-glyph .g:nth-child(10) { grid-area: 5 / 1; }
.terminal-glyph .g:nth-child(11) { grid-area: 7 / 1; }
.terminal-glyph .g:nth-child(12) { grid-area: 6 / 1; }
.terminal-meta { display: grid; gap: 4px; justify-items: end; text-align: right; }
.terminal-name { font: 600 11px/1 var(--font-mono); letter-spacing: 0.18em; text-transform: uppercase; color: var(--text-2); }
.terminal-desc { font: 400 9px/1.3 var(--font-mono); letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-3); opacity: 0.65; }
html[data-gst-theme="dark"] .terminal-glyph { --glyph-opacity: 0.42; }
html[data-gst-theme="dark"] .terminal-desc { opacity: 0.56; }
/* The F holds its neutral tone, then glows --gold (identity gold, in both themes: --gold-ink reads as brown on 3px dots) together. Still under reduced motion. */
@keyframes glyph-blink { 0%, 56%, 100% { background: var(--text-3); opacity: var(--glyph-opacity); } 68%, 88% { background: var(--gold); opacity: 1; } }
@media (prefers-reduced-motion: reduce) { .terminal-glyph .g { animation: none; } }
.reading.signal { --x: 64%; --y: 30%; --s: 4px; background: var(--gold); opacity: 0.78; }
.reading.ring { --x: 68%; --y: 44%; --s: 6px; background: transparent; border: 1px solid var(--text-3); opacity: 0.48; }

@media (prefers-reduced-motion: reduce) { .home-scene, .home-scene:not(.is-active) { transition: none; transform: none; } }

@media (max-width: 860px) {
  .home-hero h1 br { display: none; }
  .home-hero { padding: 56px 24px 40px; }
  .home-modes { gap: 24px; }
  .home .home-trial { font-size: 11px; letter-spacing: 0.02em; }
  .home-stage { min-height: 0; }
  .home-scene { padding: 28px 22px; }
  .scene-verify { grid-template-columns: 1fr; padding: 0; }
  .verify-message { padding: 28px 22px; }
  .verify-result { padding: 28px 22px; border-left: 0; border-top: 1px solid var(--border-strong); }
  .ask-response { grid-template-columns: 1fr; gap: 24px; }
  .home-field { height: clamp(260px, 80vw, 380px); }
  .home-field-residual { inset: 56% 0 24%; }
  .home-field-terminal-cluster { right: 16px; bottom: 16px; gap: 8px; }
  .terminal-glyph { grid-template-columns: repeat(4, 4px); grid-template-rows: repeat(7, 4px); gap: 3px; }
  .terminal-glyph .g { width: 2px; height: 2px; }
  .terminal-name { font-size: 9px; }
  .terminal-desc { font-size: 8px; }
  .home-field::after { left: 50%; width: 24%; }
  .d2, .d3, .r5, .r6, .r7, .r8, .r9, .r10 { display: none; }
  .reading.signal { --x: 50%; }
  .reading.ring { --x: 54%; }
}