/* Homepage only (templates/home.html). Every rule is scoped to .home or the intro state, and every colour
   comes from the site tokens in site.css, so both themes work. Motion lives in static/home.js; without it
   the page renders complete and static. */
.home{--h-nav:58px;--h-display:"Archivo",var(--sans);overflow-x:clip}
.home h1,.home h2,.home h3{font-family:var(--h-display);text-wrap:balance;margin:0}
.home .h-eyebrow{font-family:var(--mono);font-size:.74rem;letter-spacing:.18em;text-transform:uppercase;color:var(--accent)}
html.h-locked,html.h-locked body{overflow:hidden}
/* Lenis' required CSS. site.css sets html{scroll-behavior:smooth} for anchor links; left on, the browser
   animates every per-frame scroll Lenis makes, so a wheel flick crawls for ~1s and then lurches. */
html.lenis,html.lenis body{height:auto}
html.lenis,.lenis.lenis-smooth{scroll-behavior:auto!important}
.lenis.lenis-smooth [data-lenis-prevent]{overscroll-behavior:contain}
.lenis.lenis-stopped{overflow:hidden}

/* ---------- intro ---------- */
.h-intro{position:fixed;inset:0;z-index:60;background:var(--bg);display:none;place-items:center;overflow:hidden}
html.intro-on .h-intro{display:grid}
.h-intro canvas{position:absolute;inset:0;width:100%;height:100%}
.h-hud{position:absolute;left:24px;bottom:calc(24px + env(safe-area-inset-bottom,0px));font-family:var(--mono);
  font-size:.72rem;letter-spacing:.06em;color:var(--dim);line-height:1.9}
.h-hud .alert{color:var(--flawed)}
.h-intro-center{position:relative;display:grid;justify-items:center;gap:18px;text-align:center}
.h-word{font-family:var(--h-display);font-weight:850;font-stretch:118%;letter-spacing:.02em;line-height:1;color:var(--text);
  font-size:clamp(84px,19vw,280px);white-space:nowrap;transform-origin:0 0;will-change:transform;opacity:0}
.h-word span{display:inline-block}
.h-word .dot,.h-hero em,.h-finale em{color:var(--accent)}
.h-intro-sub{font-family:var(--mono);font-size:clamp(.62rem,1.6vw,.85rem);letter-spacing:.32em;text-transform:uppercase;
  color:var(--muted);opacity:0}
.h-flash{position:absolute;inset:0;opacity:0;pointer-events:none;
  background:radial-gradient(circle at 50% 50%,color-mix(in srgb,var(--accent) 80%,transparent),
    color-mix(in srgb,var(--accent) 25%,transparent) 30%,transparent 65%)}
.h-skip,.h-replay{font:500 .78rem var(--mono);letter-spacing:.08em;color:var(--muted);background:transparent;
  border:1px solid var(--border);border-radius:999px;padding:8px 14px;cursor:pointer}
.h-skip{position:absolute;right:24px;bottom:calc(24px + env(safe-area-inset-bottom,0px))}
.h-skip:hover,.h-replay:hover{color:var(--text);border-color:var(--dim)}

/* ---------- hero ---------- */
.h-hero{position:relative;min-height:calc(100svh - var(--h-nav));display:flex;align-items:center;overflow:hidden;
  padding:56px 0 104px}
.h-field{position:absolute;inset:0;width:100%;height:100%}
.h-hero::after{content:"";position:absolute;inset:auto 0 0 0;height:30%;pointer-events:none;
  background:linear-gradient(transparent,var(--bg))}
.h-hero .wrap{position:relative;z-index:2;width:100%}
.h-hero h1{font-weight:780;font-stretch:108%;font-size:clamp(2.6rem,7.4vw,6.6rem);line-height:.98;letter-spacing:-.015em;
  max-width:13ch;margin-top:18px}
.h-hero em,.h-finale em{font-style:normal}
.h-line{display:block;overflow:hidden;padding-bottom:.06em}
.h-line > span{display:inline-block}
.h-lead{max-width:56ch;color:var(--muted);font-size:clamp(1rem,1.5vw,1.2rem);margin:26px 0 34px}
.h-ctas{display:flex;flex-wrap:wrap;gap:12px}
.home .h-btn{display:inline-flex;align-items:center;gap:10px;font-weight:600;font-size:.95rem;text-decoration:none;
  padding:13px 22px;border-radius:999px;transition:transform .25s,background-color .25s,border-color .25s}
.home .h-btn-primary{background:var(--accent);color:#fff}
.home .h-btn-primary:hover{background:var(--accent-dim);transform:translateY(-1px)}
.home .h-btn-ghost{border:1px solid var(--border);color:var(--text)}
.home .h-btn-ghost:hover{border-color:var(--dim)}
.h-stats{display:flex;flex-wrap:wrap;gap:20px clamp(20px,5vw,64px);margin-top:56px;padding-top:24px;
  border-top:1px solid var(--border);max-width:760px}
.h-stats div{min-width:0}
.h-stats b{display:block;font-family:var(--h-display);font-weight:800;font-stretch:110%;font-size:clamp(1.8rem,3.4vw,2.6rem);
  line-height:1;font-variant-numeric:tabular-nums}
.h-stats span{font-size:.8rem;color:var(--muted)}
.h-cue{position:absolute;z-index:2;left:50%;bottom:24px;transform:translateX(-50%);display:grid;justify-items:center;gap:8px;
  font:500 .68rem var(--mono);letter-spacing:.2em;color:var(--dim);text-transform:uppercase}
.h-cue i{width:1px;height:42px;background:linear-gradient(var(--accent),transparent);animation:h-cue 2.2s ease-in-out infinite;
  transform-origin:top}
@keyframes h-cue{0%{transform:scaleY(0)}50%{transform:scaleY(1)}100%{transform:scaleY(0);transform-origin:bottom}}

/* ---------- pillars ---------- */
.h-pillars{position:relative;min-height:calc(100svh - var(--h-nav));display:flex;align-items:center;overflow:hidden;
  border-top:1px solid var(--border);padding:48px 0 72px}
.h-pillars-in{width:100%;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(24px,6vw,96px);align-items:center}
.h-letters{display:grid}
.h-letters span{grid-area:1/1;font-family:var(--h-display);font-weight:900;font-stretch:125%;
  font-size:clamp(160px,34vw,480px);line-height:.8;color:var(--text)}
.h-pcopy{display:grid;gap:36px}
.home .h-pitem{display:block;color:inherit;text-decoration:none}
.home .h-pitem:hover h2{color:var(--accent)}
.h-pitem .h-eyebrow{display:block;margin-bottom:12px}
.h-pitem h2{font-size:clamp(1.8rem,3.6vw,3rem);font-weight:760;font-stretch:105%;line-height:1.05;margin-bottom:14px;
  transition:color .2s}
.h-pitem p{color:var(--muted);max-width:46ch;margin:0}
.h-fact{display:block;margin-top:18px;font:500 .78rem var(--mono);color:var(--dim);letter-spacing:.04em}
/* static mode (no script or reduced motion): the four pillars as a plain two-column list */
.h-pillars:not(.h-scene) .h-letters{display:none}
.h-pillars:not(.h-scene) .h-pillars-in{grid-template-columns:1fr}
.h-pillars:not(.h-scene) .h-pcopy{grid-template-columns:repeat(auto-fit,minmax(min(100%,420px),1fr));gap:40px 56px}
/* scene mode (home.js): letters and copy stack in one cell and swap as you scroll */
.h-scene .h-letters span:not(:first-child),.h-scene .h-pitem:not(:first-child){opacity:0}
.h-scene .h-pitem:not(:first-child){visibility:hidden}   /* hidden pillar links must not catch clicks */
.h-scene .h-pcopy{gap:0}
.h-scene .h-pitem{grid-area:1/1}
.h-pbar{display:none}
.h-scene .h-pbar{display:grid;position:absolute;left:24px;right:24px;bottom:32px;grid-template-columns:repeat(4,1fr);gap:8px;
  max-width:calc(var(--maxw) - 48px);margin:0 auto}
.h-pbar i{height:2px;background:var(--border);position:relative;overflow:hidden}
.h-pbar i::after{content:"";position:absolute;inset:0;background:var(--accent);transform:scaleX(var(--p,0));transform-origin:left}
@media (max-width:760px){.h-pillars-in{grid-template-columns:1fr;gap:8px}.h-letters span{font-size:38vw}}

/* ---------- fidelity ---------- */
.h-fidelity{position:relative;overflow:hidden;display:flex;flex-direction:column;justify-content:center;gap:40px;
  border-top:1px solid var(--border);padding:64px 0}
.h-fid-head h2,.h-tiers-head h2{font-size:clamp(2rem,4.6vw,3.8rem);font-weight:760;font-stretch:106%;line-height:1.02;
  max-width:18ch;margin-top:12px}
.h-fid-head p,.h-tiers-head p{color:var(--muted);max-width:52ch;margin:14px 0 0}
.h-track{display:flex;gap:clamp(14px,2vw,24px);padding:0 24px;overflow-x:auto;scrollbar-width:thin}
.h-scene .h-track{overflow:visible;width:max-content;will-change:transform}
.home .h-fcard{flex:0 0 clamp(260px,30vw,380px);min-height:clamp(290px,40vh,370px);background:var(--surface);
  border:1px solid var(--border);border-radius:18px;padding:26px;display:flex;flex-direction:column;gap:12px;
  position:relative;overflow:hidden;color:inherit;text-decoration:none;transition:border-color .2s}
.home .h-fcard:hover{border-color:var(--accent)}
.h-lvl{font:500 .78rem var(--mono);color:var(--accent);letter-spacing:.08em}
.h-fcard h3{font-size:1.7rem;font-weight:760;font-stretch:104%;line-height:1.05}
.h-fcard p{color:var(--muted);font-size:.95rem;margin:0}
.h-meter{display:grid;grid-template-columns:repeat(5,1fr);gap:4px;margin-top:auto}
.h-meter i{height:6px;border-radius:3px;background:var(--border)}
.h-meter i.on{background:var(--accent)}
.h-ex{font:400 .74rem var(--mono);color:var(--dim)}
.h-ghost{position:absolute;right:-8px;top:-28px;font-family:var(--h-display);font-weight:900;font-stretch:125%;font-size:150px;
  line-height:1;color:color-mix(in srgb,var(--accent) 7%,transparent);pointer-events:none}

/* ---------- coverage ---------- */
.h-coverage{position:relative;min-height:calc(100svh - var(--h-nav));display:flex;align-items:center;overflow:hidden;
  border-top:1px solid var(--border);padding:48px 0}
.h-cov-in{width:100%;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:clamp(24px,6vw,80px);align-items:center}
.h-coverage h2{font-size:clamp(2rem,4.4vw,3.6rem);font-weight:760;font-stretch:106%;line-height:1.02;margin-top:12px}
.h-counter{font-family:var(--h-display);font-weight:850;font-stretch:115%;font-size:clamp(4rem,10vw,8.5rem);line-height:.9;
  margin-top:22px;font-variant-numeric:tabular-nums}
.h-counter small{font-size:.28em;font-weight:600;color:var(--muted);font-stretch:100%}
.h-claims{display:grid;gap:4px;margin-top:22px;max-width:440px}
.h-claim{display:grid;grid-template-columns:12px auto 1fr;gap:12px;align-items:baseline;padding:10px 0;
  border-bottom:1px solid var(--border);opacity:.35;transition:opacity .35s}
.h-claim.on{opacity:1}
.h-claim i{width:10px;height:10px;border-radius:3px}
.h-claim b{font-family:var(--mono);font-variant-numeric:tabular-nums}
.h-claim span{color:var(--muted);font-size:.9rem}
.h-note{font-size:.82rem;color:var(--dim);margin-top:14px}
.h-grid{display:grid;grid-template-columns:repeat(19,minmax(0,1fr));gap:4px;min-width:0}
.h-grid i{aspect-ratio:1;border-radius:3px;background:var(--surface);border:1px solid var(--border);
  transition:background-color .25s,border-color .25s}
.h-claim i.s,.h-grid i.s{background:var(--strong);border-color:var(--strong)}
.h-claim i.m,.h-grid i.m{background:var(--moderate);border-color:var(--moderate)}
.h-claim i.w,.h-grid i.w{background:var(--weak);border-color:var(--weak)}
@media (max-width:860px){.h-cov-in{grid-template-columns:1fr}.h-counter{margin-top:10px}.h-claims{margin-top:12px}}

/* ---------- tiers ---------- */
.h-tiers{border-top:1px solid var(--border);padding:112px 0 56px}
.h-stack{margin-top:56px;display:grid;gap:22px}
.h-tcard{position:sticky;top:calc(var(--h-nav) + 24px + var(--i) * 16px);min-height:280px;border-radius:22px;
  padding:clamp(22px,4vw,44px);background:var(--surface);border:1px solid var(--border);display:grid;
  grid-template-columns:minmax(0,auto) minmax(0,1fr);gap:clamp(16px,4vw,56px);align-items:start;transform-origin:50% 0;
  box-shadow:0 -18px 44px color-mix(in srgb,var(--bg) 70%,transparent)}
/* plain mode (walkthrough finished this visit): tier cards sit one after another instead of stacking */
.h-plain .h-tcard{position:relative;top:auto;box-shadow:none}
.h-plain .h-tcard::after{display:none}
/* receding cards are veiled with the page background, so the effect reads the same in both themes */
.h-tcard::after{content:"";position:absolute;inset:0;border-radius:inherit;background:var(--bg);
  opacity:var(--h-recede,0);pointer-events:none}
.h-tid{font-family:var(--h-display);font-weight:900;font-stretch:125%;font-size:clamp(4rem,10vw,8rem);line-height:.85;color:var(--c)}
.h-tcard h3{font-size:clamp(1.5rem,3vw,2.3rem);font-weight:760;line-height:1.08}
.h-tcard p{color:var(--muted);margin:12px 0 0;max-width:62ch}
.h-tbar{height:3px;border-radius:2px;background:var(--c);width:calc(20% + var(--i) * 20%);margin-top:22px}
@media (max-width:640px){.h-tcard{grid-template-columns:1fr}}

/* ---------- finale ---------- */
.h-finale{position:relative;min-height:100svh;display:grid;place-items:center;overflow:hidden;border-top:1px solid var(--border)}
.h-glow{position:absolute;width:120vmax;height:120vmax;border-radius:50%;pointer-events:none;
  background:radial-gradient(circle,color-mix(in srgb,var(--accent) 20%,transparent),transparent 60%)}
.h-finale-in{position:relative;text-align:center;padding:0 24px}
.h-finale h2{font-size:clamp(2.4rem,8vw,7.5rem);font-weight:820;font-stretch:112%;line-height:.98;letter-spacing:-.01em;
  max-width:14ch;margin:0 auto}
.h-finale p{color:var(--muted);margin:22px auto 34px;max-width:46ch}
.h-finale .h-ctas{justify-content:center}
.h-replay{margin-top:40px}

@media (prefers-reduced-motion:reduce){.h-cue i{animation:none}}