/* /css/pages/home.css: the home page (hero, intro, cast, chapter map, how it works). Moved verbatim from
   index.html's <style> block (docs/requests/F3.md #1). Tokens only. */
/* ---------- Home page (F3). Tokens only; no literal colors. ---------- */
:where(.visually-hidden){position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;border:0}
:where(figure.full){margin-inline:0}
:where(.p-grid-minor){fill:none;stroke:var(--grid-minor);stroke-width:.75px;vector-effect:non-scaling-stroke}
:where(.p-grid-major){fill:none;stroke:var(--rule);stroke-width:1px;vector-effect:non-scaling-stroke}
:where(.p-light){fill:none;stroke:var(--c-light);stroke-width:1.75px}
:where(.p-inv){fill:none;stroke:var(--c-inv);stroke-width:2px}
:where(.p-event){fill:var(--ink);stroke:var(--bg);stroke-width:2px;paint-order:stroke}
:where(.p-fill-timelike){fill:var(--c-timelike);stroke:none}

.home-wide{position:relative}
.home main .home-wide{margin-inline-end:calc(-1 * (var(--sn-w, 0px) + var(--sn-gap, 0px)));max-width:980px}
.home .page{padding-top:0;max-width:none;overflow-x:visible}
body.home{overflow-x:clip}
.home [hidden]{display:none !important}

/* Hero */
.home figure.lab.full.hero{position:relative;margin:0 calc(-1 * var(--bleed-r, 16px)) var(--s-5) calc(-1 * var(--bleed-l, 16px));padding:0;background:transparent;border:0;border-radius:0;box-shadow:none}
.home .hero .lab-stage{padding:0;border-radius:0;min-height:0}
.home .hero .lab-stage>svg.plate-svg{max-width:none}
.home .hero>figcaption{margin:var(--s-3) auto 0;padding:0 var(--s-4)}
.home .hero.is-live .lab-stage{overflow:visible}
.home .hero>details.long-desc{margin:var(--s-3) auto 0;padding:0 var(--s-4)}
.home figure.lab.full.hero{z-index:2;background:var(--bg)}
@media (min-width:1200px){.home .rail{margin-top:calc(var(--hero-h) + 13rem)}}
.home .hero .stx-hero-bar,.home .hero .lab-toolbar-wrap{padding-inline:max(var(--s-4),calc((100% - 980px) / 2))}
.hero .lab-stage{position:relative;overflow:hidden;background:var(--bg);isolation:isolate}
.hero .lab-stage:has(> .hero-plate:not([hidden]))::after{content:"";position:absolute;inset:0;pointer-events:none;z-index:2;
  background:linear-gradient(to bottom,var(--bg) 0,transparent 14%,transparent 80%,var(--bg) 100%),
             linear-gradient(to right,var(--bg) 0,transparent 12%,transparent 88%,var(--bg) 100%)}
/* No layout shift when the live hero mounts (§8.5 CLS ≤ 0.02): the static plate is exactly as tall as the live
   widget, i.e. its stage (--hero-h, which overrides widgets.css .stx-hero-stage on this page) plus its two control
   rows (slider row, then the Pause/Describe/Reset row, with 8px gaps). --hero-chrome is that control height.
   The stage is shorter than the widget default so the title shows on a 1280x900 first screen. */
.home{--hero-chrome:80px;--hero-h:clamp(320px,44vh,540px)}
.home .hero .stx-hero-stage{height:var(--hero-h)}
@media (max-width:420px){.home{--hero-chrome:110px}}
.hero-plate{display:block;width:100%;height:calc(var(--hero-h) + var(--hero-chrome))}
.hero-plate[hidden],.hero .fallback[hidden]{display:none}
.hero-plate .p-light,.hero-plate .p-inv,.hero-plate .hero-inv-core,.hero-plate .hero-rgrid,.hero-plate .p-grid-minor,.hero-plate .p-grid-major{vector-effect:non-scaling-stroke}
.hero-rgrid{fill:none;stroke:var(--c-rocket);stroke-width:1px;stroke-dasharray:6 4;opacity:.28}
.hero-inv-core{fill:none;stroke:var(--bg);stroke-width:.75px}
.hero-ev-inv{fill:var(--c-inv)}
.hero-o{fill:var(--c-light)}
.hero figcaption{position:relative;z-index:3;max-width:40rem;margin:var(--s-3) auto 0;padding-inline:var(--s-4);text-align:center;font-family:var(--font-serif);font-style:italic;font-size:1.05rem;color:var(--ink)}
.hero figcaption .hint{display:block;margin-top:var(--s-1);font:400 .8rem/1.4 var(--font-sans);font-style:normal;color:var(--ink-muted)}
.hero figcaption .hint-key{margin-top:var(--s-2);font-size:.88rem;line-height:1.45;color:var(--ink)}
/* The hero's Describe panel: plain words first, the per-event table folded behind "Show the numbers". */
.hero .hero-describe-plain{max-width:44rem}
.hero .hero-numbers>summary{display:inline-flex;align-items:center;gap:.4em;min-height:24px;color:var(--ink-muted);text-decoration:underline;text-underline-offset:.18em}
.hero .hero-numbers>summary::before{content:"\25B8";transition:transform var(--t-ui) var(--ease)}
.hero .hero-numbers[open]>summary::before{transform:rotate(90deg)}
.hero .hero-numbers[open]>summary{margin-bottom:var(--s-2)}
.w-gold{color:var(--c-light-text);font-weight:600}
.w-teal{color:var(--c-inv);font-weight:600}
.w-blue{color:var(--c-lab);font-weight:600}
.w-ver{color:var(--c-rocket);font-weight:600}
.w-you{color:var(--c-you);font-weight:600}
.hero .long-desc{max-width:40rem;margin:var(--s-3) auto 0;padding-inline:var(--s-4);font:400 .8rem/1.5 var(--font-sans);color:var(--ink-muted);text-align:center}
.hero .long-desc p{text-align:start}
.hero .long-desc.is-merged{visibility:hidden}

/* Intro */
.home-intro{padding-block:var(--s-6) var(--s-5)}
.home-intro .eyebrow{font:600 .8rem/1.2 var(--font-sans);letter-spacing:.08em;text-transform:uppercase;color:var(--ink-muted);margin:0 0 var(--s-3)}
.home-intro h1{font-family:var(--font-serif);font-weight:600;font-size:clamp(2.5rem,7.2vw,4.1rem);line-height:1.02;letter-spacing:-.015em;margin:0}
.home-intro h1 em{font-weight:500;white-space:nowrap}
.home-intro .tagline{font-family:var(--font-serif);font-style:italic;font-size:clamp(1.15rem,2.6vw,1.45rem);color:var(--ink-muted);margin:var(--s-3) 0 var(--s-5)}
.home-intro .lede{font-size:1.1rem;margin:0 0 var(--s-5)}
.home-cta{display:flex;flex-wrap:wrap;gap:var(--s-3);align-items:center;margin:0 0 var(--s-4)}
.home-cta .btn{min-height:44px}
.home-cta .resume-note{display:block;font:400 .75rem/1.2 var(--font-sans);opacity:.85}
.home-facts{font:400 .8rem/1.5 var(--font-sans);color:var(--ink-muted);margin:0}
.home-facts span+span::before{content:"·";margin-inline:.5em}

/* Section rhythm */
.home-section{padding-block:var(--s-7) var(--s-4);border-top:1px solid var(--rule)}
.home-section>h2{margin-top:0}
.home-section>*+*,.home-intro>*+*{margin-top:1em}
.home-section>.section-kicker+h2{margin-top:0}
.truths>li,.cast-list>li,.beats>li,.map-list>li,.map-legend>li{margin-top:0}
.home-intro>h1{margin-top:var(--s-3)}
.home-intro>.tagline{margin-top:var(--s-3)}
.section-kicker{font:600 .75rem/1.2 var(--font-sans);letter-spacing:.08em;text-transform:uppercase;color:var(--ink-muted);margin:0 0 var(--s-2)}

/* Three true things */
.truths{list-style:none;margin:var(--s-5) 0 var(--s-4);padding:0;display:grid;gap:var(--s-4)}
@media (min-width:700px){.truths{grid-template-columns:repeat(3,1fr)}}
.truth{background:var(--surface);border:1px solid var(--rule);border-radius:var(--r-l);padding:var(--s-5);box-shadow:var(--shadow);display:flex;flex-direction:column}
.truth .truth-num{font-family:var(--font-serif);font-size:2.3rem;line-height:1.05;color:var(--c-inv);margin:0 0 var(--s-1);font-variant-numeric:lining-nums}
.truth-num .eq{font:600 .9rem/1 var(--font-sans);vertical-align:.55em;margin-inline-end:.3em}
.truth .truth-unit{font:600 .75rem/1.3 var(--font-sans);letter-spacing:.06em;text-transform:uppercase;color:var(--ink-muted);margin:0 0 var(--s-3)}
.truth p{margin:0 0 var(--s-3);font-size:.95rem}
.truth .truth-where,.truth p.truth-where{margin-top:auto;font:400 .8rem/1.4 var(--font-sans);color:var(--ink-muted);margin-bottom:0}
.truths-note{font:400 .85rem/1.5 var(--font-sans);color:var(--ink-muted)}

/* Cast */
.cast-list{list-style:none;margin:var(--s-5) 0 var(--s-4);padding:0;display:grid;gap:var(--s-4) var(--s-5)}
@media (min-width:600px){.cast-list{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1200px){.cast-list{grid-template-columns:repeat(4,1fr)}}
.cast-item{display:grid;grid-template-columns:56px 1fr;gap:var(--s-3);align-items:start}
.cast-icon{width:56px;height:56px;border-radius:50%;background:var(--surface-2);border:1px solid var(--rule);display:grid;place-items:center}
.cast-icon svg{width:40px;height:40px;overflow:visible}
.cast-lin{color:var(--c-lab)} .cast-rae{color:var(--c-rocket)} .cast-light{color:var(--c-light)} .cast-sag{color:var(--ink-muted)}
.cast-item h3{font-size:1.05rem;margin:0 0 var(--s-1);font-family:var(--font-serif)}
.cast-item p{margin:0;font-size:.9rem;line-height:1.5}
.cast-key{display:block;margin-top:4px;font:600 .7rem/1.2 var(--font-sans);letter-spacing:.06em;text-transform:uppercase}
.light-ray{fill:none;stroke:var(--c-light);stroke-width:2.25;stroke-linecap:round;stroke-linejoin:round}
.light-head{fill:none;stroke:var(--c-light);stroke-width:2.25;stroke-linecap:round;stroke-linejoin:round}
.color-rule{font-size:.95rem;border-left:3px double var(--c-inv);padding:var(--s-2) var(--s-4);background:var(--surface-2);border-radius:0 var(--r-s) var(--r-s) 0}

/* The map */
.map-legend{--dot:14px;list-style:none;display:flex;flex-wrap:wrap;gap:var(--s-2) var(--s-5);padding:0;margin:var(--s-4) 0 var(--s-2);font:400 .8rem/1.4 var(--font-sans);color:var(--ink-muted)}
.map-legend li{display:flex;align-items:center;gap:var(--s-2)}
.map-legend .map-dot{position:static}
.map-summary{font:400 .9rem/1.5 var(--font-sans);margin:var(--s-2) 0 0}
.map-summary strong{color:var(--c-inv)}
.course-map{--gut:48px;--dot:14px;position:relative;margin-block:var(--s-5) var(--s-5);padding-block:var(--s-5)}
.course-map::before{content:"";position:absolute;inset:0;z-index:0;pointer-events:none;border-radius:var(--r-l);
  background-image:linear-gradient(var(--grid-minor) 1px,transparent 1px),linear-gradient(90deg,var(--grid-minor) 1px,transparent 1px);
  background-size:24px 24px;background-position:center top;
  -webkit-mask-image:radial-gradient(ellipse at 50% 50%,#000 55%,transparent 100%);mask-image:radial-gradient(ellipse at 50% 50%,#000 55%,transparent 100%)}
.map-svg{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;overflow:visible;z-index:1}
.map-part{position:relative;z-index:2}
.map-part+.map-part{margin-top:var(--s-6)}
.map-part-head{position:relative;margin:0 0 var(--s-4);padding-inline-start:calc(var(--gut) + var(--s-1))}
.map-part-head h3{display:inline-flex;flex-direction:column;gap:2px;margin:0;padding:var(--s-2) var(--s-4);background:var(--bg);border:1px solid var(--rule);border-radius:var(--r-m);font-family:var(--font-serif);font-size:1.1rem;font-weight:600;line-height:1.25}
.map-part-head .part-no{font:600 .68rem/1.2 var(--font-sans);letter-spacing:.1em;text-transform:uppercase;color:var(--ink-muted)}
.map-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:var(--gut) minmax(0,1fr);row-gap:var(--s-4)}
.map-stop{position:relative;grid-column:2;min-width:0}
.map-dot{position:absolute;top:26px;left:calc(var(--gut) / -2 - var(--dot) / 2);width:var(--dot);height:var(--dot);border-radius:50%;
  border:2px solid var(--ink);background:var(--bg);box-sizing:border-box;z-index:3;transition:transform var(--t-ui) var(--ease)}
.map-stop:nth-child(even) .map-dot{left:calc(var(--gut) / -2 - var(--dot) / 2 + 5px)}
.map-stop:nth-child(odd) .map-dot{left:calc(var(--gut) / -2 - var(--dot) / 2 - 5px)}
.map-dot[data-dot="in-progress"],[data-state="in-progress"]>.map-dot{background:linear-gradient(to top,var(--ink) 50%,var(--bg) 50%)}
.map-dot[data-dot="passed"],[data-state="passed"]>.map-dot,[data-state="mastered"]>.map-dot,.map-dot[data-dot="mastered"]{background:var(--ink)}
[data-state="mastered"]>.map-dot,.map-dot[data-dot="mastered"]{box-shadow:0 0 0 2px var(--bg),0 0 0 4.5px var(--c-inv)}
.map-card{position:relative;display:grid;grid-template-columns:56px minmax(0,1fr);gap:var(--s-3) var(--s-4);align-items:start;
  background:var(--surface);border:1px solid var(--rule);border-radius:var(--r-m);padding:var(--s-4);box-shadow:var(--shadow);
  transition:transform var(--t-ui) var(--ease),border-color var(--t-ui) var(--ease)}
.map-card::before{content:"";position:absolute;top:32px;right:100%;width:calc(var(--gut) / 2 - 2px);border-top:1px solid var(--rule)}
.map-stop:hover .map-card{transform:translateY(-2px);border-color:var(--ink-muted)}
.map-stop:hover .map-dot{transform:scale(1.25)}
.map-glyph-tile{width:56px;height:56px;border-radius:var(--r-s);background:var(--surface-2);display:grid;place-items:center}
.map-glyph{width:48px;height:48px;overflow:visible}
.map-glyph *{fill:none;stroke-linecap:round;stroke-linejoin:round}
.map-glyph .gl-ink{stroke:var(--ink);stroke-width:1.75}
.map-glyph .gl-mut{stroke:var(--ink-muted);stroke-width:1.25}
.map-glyph .gl-rule{stroke:var(--rule);stroke-width:1}
.map-glyph .gl-lab{stroke:var(--c-lab);stroke-width:2}
.map-glyph .gl-rkt{stroke:var(--c-rocket);stroke-width:2;stroke-dasharray:4 3}
.map-glyph .gl-light{stroke:var(--c-light);stroke-width:1.75}
.map-glyph .gl-inv{stroke:var(--c-inv);stroke-width:2.25}
.map-glyph .gl-you{stroke:var(--c-you);stroke-width:2}
.map-glyph .gl-dash{stroke-dasharray:2 3}
.map-glyph .gl-dot{fill:var(--ink);stroke:var(--surface-2);stroke-width:1.5;paint-order:stroke}
.map-glyph .gl-dot-light{fill:var(--c-light);stroke:none}
.map-glyph .gl-dot-rkt{fill:var(--c-rocket);stroke:var(--surface-2);stroke-width:1.5;paint-order:stroke}
.map-num{margin:0;font:600 .7rem/1.3 var(--font-sans);letter-spacing:.08em;text-transform:uppercase;color:var(--ink-muted)}
.map-title{margin:2px 0 var(--s-1);font-family:var(--font-serif);font-size:1.12rem;line-height:1.25;font-weight:600}
.map-title a{color:var(--ink);text-decoration:none}
.map-title a::after{content:"";position:absolute;inset:0;border-radius:var(--r-m);z-index:1}
.map-title a:focus-visible{outline:none}
.map-title a:focus-visible::after{outline:3px solid var(--focus);outline-offset:2px}
.map-stop:hover .map-title a{text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}
.map-sub{margin:0;font-size:.88rem;line-height:1.45;font-style:italic;color:var(--ink-muted)}
.map-meta{margin:var(--s-2) 0 0;display:flex;flex-wrap:wrap;gap:var(--s-1) var(--s-3);align-items:center;font:400 .75rem/1.4 var(--font-sans);color:var(--ink-muted)}
.map-chip{display:inline-flex;align-items:center;gap:4px;padding:1px 8px;border-radius:999px;border:1px solid var(--rule);font-weight:600;color:var(--ink)}
.map-chip[data-kind="passed"]{border-color:var(--ink-muted)}
.map-chip[data-kind="mastered"]{border-color:var(--c-inv);color:var(--c-inv)}
.map-chip[data-kind="next"]{border-color:var(--c-light);color:var(--c-light-text)}
.map-stop[data-current] .map-card{border-color:var(--c-light);box-shadow:0 0 0 1px var(--c-light),var(--shadow)}
.map-line-all{fill:none;stroke:var(--rule);stroke-width:2;stroke-linecap:round}
.map-line-past{fill:none;stroke:var(--ink);stroke-width:2.5;stroke-linecap:round}
.map-cone{fill:none;stroke:var(--c-light);stroke-width:1.5;stroke-linecap:round}
.map-cone-fill{fill:var(--c-timelike);stroke:none}
.map-tail-stop-a{stop-color:var(--rule);stop-opacity:1}
.map-tail-stop-b{stop-color:var(--rule);stop-opacity:0}
.map-end{font:400 .85rem/1.5 var(--font-sans);color:var(--ink-muted);margin:0}
@media (min-width:760px){
  .course-map{--gut:64px}
  .map-part-head{padding-inline-start:0;text-align:center}
  .map-list{grid-template-columns:minmax(0,1fr) var(--gut) minmax(0,1fr);row-gap:0;grid-auto-rows:minmax(56px,auto)}
  .map-stop{padding-bottom:var(--s-4)}
  .map-stop:nth-child(odd){grid-column:1}
  .map-stop:nth-child(even){grid-column:3}
  .map-stop:nth-child(1){grid-row:1 / span 2}.map-stop:nth-child(2){grid-row:2 / span 2}.map-stop:nth-child(3){grid-row:3 / span 2}
  .map-stop:nth-child(4){grid-row:4 / span 2}.map-stop:nth-child(5){grid-row:5 / span 2}.map-stop:nth-child(6){grid-row:6 / span 2}
  .map-stop:nth-child(odd) .map-dot{left:auto;right:calc(var(--gut) / -2 - var(--dot) / 2 + 7px)}
  .map-stop:nth-child(even) .map-dot{left:calc(var(--gut) / -2 - var(--dot) / 2 + 7px)}
  .map-stop:nth-child(odd) .map-card::before{right:auto;left:100%;width:calc(var(--gut) / 2 - 9px)}
  .map-stop:nth-child(even) .map-card::before{width:calc(var(--gut) / 2 - 9px)}
}
@media (prefers-reduced-motion:reduce){.map-card,.map-dot,.hero .hero-numbers>summary::before{transition:none}.map-stop:hover .map-card,.map-stop:hover .map-dot{transform:none}}

/* How it works */
.beats{list-style:none;margin:var(--s-5) 0 var(--s-4);padding:0;display:grid;gap:var(--s-4);counter-reset:beat}
@media (min-width:600px){.beats{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1000px){.beats{grid-template-columns:repeat(3,1fr)}}
.beat-card{counter-increment:beat;position:relative;padding:var(--s-5) var(--s-5) var(--s-4);background:var(--surface);border:1px solid var(--rule);border-radius:var(--r-m)}
.beat-card::after{content:counter(beat);position:absolute;top:var(--s-4);right:var(--s-5);font:600 .75rem/1 var(--font-sans);color:var(--ink-muted)}
.beat-icon{width:52px;height:52px;padding:6px;margin-bottom:var(--s-3);border-radius:50%;background:var(--surface-2)}
.beat-icon *{fill:none;stroke-linecap:round;stroke-linejoin:round;stroke-width:1.75}
.ic-ink{stroke:var(--ink)} .ic-light{stroke:var(--c-light)} .ic-inv{stroke:var(--c-inv)} .ic-lab{stroke:var(--c-lab)} .ic-you{stroke:var(--c-you)} .ic-rkt{stroke:var(--c-rocket)}
.beat-icon .ic-fill{fill:var(--ink);stroke:none}
.beat-card h3{font-size:1.15rem;margin:0 0 var(--s-2);font-family:var(--font-serif)}
.beat-card p{margin:0;font-size:.92rem;line-height:1.55}

/* Who / giants */
.ticks{list-style:none;padding:0;margin:var(--s-4) 0}
.ticks li{position:relative;padding-inline-start:1.6em;margin-bottom:var(--s-3)}
.ticks li::before{content:"";position:absolute;left:.2em;top:.5em;width:.7em;height:.7em;border-left:2px solid var(--c-light);border-bottom:2px solid var(--c-light);transform:skewX(-45deg) scaleX(.6)}
.giants-quote{margin:var(--s-5) 0;padding:var(--s-4) var(--s-5);border-left:3px solid var(--c-light);background:var(--surface-2);border-radius:0 var(--r-m) var(--r-m) 0}
.giants-quote blockquote p{margin:0}
.giants-quote blockquote{margin:0;font-family:var(--font-serif);font-size:1.3rem;font-style:italic}
.giants-quote figcaption{margin-top:var(--s-2);font:400 .8rem/1.5 var(--font-sans);color:var(--ink-muted)}
.home-sign-off{font-family:var(--font-serif);font-style:italic;color:var(--ink-muted)}

/* Ads: no house strip on the home page. The slot shows only once it is reserved for a real ad (consent given),
   so readers never meet a "Why ads?" link with no ad beside it (comprehension test; site-wide request in
   docs/requests/comp-index.md). The reserved state is untouched, so CLS stays 0. */
html:not([data-ad-consent="accepted"]) .home .ad-slot:not(.is-reserved),.home .ad-slot[data-house="compact"]{display:none}