/* ============================================================
   PhysiqueNerd — design system
   Palette: hero-prototype tokens. Cool, clinical, expensive.
   Numbers are the hero: every metric renders in mono.
   ============================================================ */
:root{
  /* ---- brand marks -----------------------------------------------------
     Sampled straight out of assets/brand/pn-lockup-dark.png. These two ARE
     the logo. Never hand-tune them: if they drift, the site quietly stops
     matching the app icon and the store listing, and nobody notices until
     it has already shipped. --acc-rgb is that same cyan as a bare channel
     list, so every rgba() below inherits it instead of restating it. */
  --brand-cyan:#00d6fd; --brand-navy:#071421; --acc-rgb:0,214,253;

  --bg:#05070a; --bg2:#070a10; --panel:#0b0f15; --panel2:#0e141c; --panel3:#101b2c;
  --line:#141c26; --line2:#2b3a4d;
  --ink:#eaf0f6; --mut:#8a97a8; --dim:#5a6678;
  --acc:var(--brand-cyan); --acc-soft:rgba(var(--acc-rgb),.12);
  --good:#57c99b; --warn:#d9a441; --bad:#d96f6f;
  --sans:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --mono:ui-monospace,"Cascadia Code","SF Mono",Consolas,monospace;
  --rad:12px; --rad-lg:18px;
  --pad:clamp(20px,4vw,56px);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg);color:var(--ink);
  font:15px/1.6 var(--sans);-webkit-font-smoothing:antialiased;
  min-height:100vh;
}
/* ambient backdrop: faint grid floor + vignette, textura-style depth */
body::before{
  content:"";position:fixed;inset:0;z-index:-2;
  background:
    radial-gradient(120% 90% at 50% -10%, #0b1524 0%, transparent 55%),
    radial-gradient(100% 100% at 50% 120%, #08101c 0%, transparent 50%),
    var(--bg);
}
body::after{ /* film grain */
  content:"";position:fixed;inset:0;z-index:-1;opacity:.05;pointer-events:none;
  background-image:repeating-conic-gradient(#fff 0% .0001%, transparent .0002% .0004%);
  background-size:180px 180px;
}
a{color:var(--acc);text-decoration:none}
a:hover{text-decoration:underline}
a:focus-visible,button:focus-visible,input:focus-visible,[tabindex]:focus-visible{
  outline:2px solid var(--acc);outline-offset:2px;border-radius:4px}
::selection{background:rgba(var(--acc-rgb),.3)}

/* ---------- type ---------- */
h1{font-size:clamp(32px,5.2vw,64px);font-weight:600;letter-spacing:-.035em;line-height:1.04;text-wrap:balance}
h2{font-size:clamp(22px,3vw,34px);font-weight:600;letter-spacing:-.028em;line-height:1.12;text-wrap:balance}
h3{font-size:17px;font-weight:600;letter-spacing:-.015em}
.eyebrow{font:600 11px/1 var(--mono);letter-spacing:.2em;text-transform:uppercase;color:var(--acc)}
.sub{color:var(--mut);max-width:60ch}
.mono,.num{font-family:var(--mono)}
.num{font-variant-numeric:tabular-nums}
.big-num{font:600 clamp(30px,4vw,44px)/1 var(--mono);letter-spacing:-.03em}
.unit{font-size:.45em;color:var(--dim);letter-spacing:0}
.hint{font-size:12px;color:var(--dim)}
.good{color:var(--good)}.warn{color:var(--warn)}.bad{color:var(--bad)}.accent{color:var(--acc)}

/* ---------- shell ---------- */
.wrap{max-width:1120px;margin:0 auto;padding:0 var(--pad)}
.appwrap{max-width:1120px;margin:0 auto;padding:0 var(--pad) 140px}

/* top bar */
.topbar{
  position:sticky;top:0;z-index:50;
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  background:rgba(5,7,10,.72);border-bottom:1px solid var(--line);
}
.topbar .in{max-width:1120px;margin:0 auto;padding:14px var(--pad);display:flex;align-items:center;gap:26px}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink)}
.brand:hover{text-decoration:none}
/* The real mark, replacing the "PN" text placeholder. The plate stays CSS so
   it matches every other rounded surface in the system; only the monogram is
   an image, and at 64px it covers a 32px slot on a 2x screen. */
.pnbox{width:32px;height:32px;border:1px solid var(--line2);border-radius:8px;flex:none;
  background:url(brand/pn-mark-white-64.png) center/20px no-repeat,
             linear-gradient(160deg,#0e141c,#070a10)}
.brand b{font:650 14px/1 var(--sans);letter-spacing:-.02em}
.nav{display:flex;gap:4px;margin-left:auto;flex-wrap:wrap}
.nav a{font:500 12.5px var(--sans);color:var(--mut);padding:8px 12px;border-radius:8px}
.nav a:hover{color:var(--ink);background:var(--panel2);text-decoration:none}
.nav a.on{color:var(--acc);background:var(--acc-soft)}
.nav a.cta{color:#05070a;background:var(--acc);font-weight:600}
.nav a.cta:hover{background:#5ce4fe;color:#05070a}

/* flow progress (onboarding pages) */
.flowbar{display:flex;gap:6px;align-items:center;margin:26px 0 8px;font:500 10.5px var(--mono);color:var(--dim);flex-wrap:wrap}
.flowbar .st{padding:5px 10px;border:1px solid var(--line);border-radius:99px;white-space:nowrap}
.flowbar .st.done{color:var(--good);border-color:rgba(87,201,155,.3)}
.flowbar .st.now{color:var(--acc);border-color:var(--acc);background:var(--acc-soft)}
.flowbar .sep{color:var(--line2)}

/* ---------- surfaces ---------- */
.card{border:1px solid var(--line);border-radius:var(--rad);background:var(--panel);padding:18px}
.card.hi{border-color:var(--line2);background:linear-gradient(165deg,var(--panel3) 0%,var(--panel) 60%);
  box-shadow:0 30px 80px -50px rgba(var(--acc-rgb),.35)}
.card.sel{border-color:var(--acc);background:linear-gradient(180deg,var(--acc-soft),var(--panel))}
.card.danger{border-color:rgba(217,111,111,.4);background:rgba(217,111,111,.05)}
.card.ok{border-color:rgba(87,201,155,.35);background:rgba(87,201,155,.05)}
.card.warned{border-color:rgba(217,164,65,.4);background:rgba(217,164,65,.05)}
.split{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.stack{display:flex;flex-direction:column;gap:14px}
.row{display:flex;align-items:center;gap:12px}
.spread{display:flex;align-items:center;justify-content:space-between;gap:12px}
.divider{height:1px;background:var(--line);margin:16px 0}

/* ---------- controls ---------- */
.field{border:1px solid var(--line);border-radius:10px;background:var(--panel2);padding:11px 13px;display:block}
.field:focus-within{border-color:var(--acc)}
.flab{font:600 10px var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--dim);display:flex;justify-content:space-between;gap:8px}
.fval{font:500 15px var(--mono);color:var(--ink);margin-top:4px;background:none;border:0;width:100%}
.fval::placeholder{color:var(--dim)}
input.fval:focus{outline:none}
.chiprow{display:flex;flex-wrap:wrap;gap:8px}
.chip{font:500 12px var(--mono);border:1px solid var(--line2);border-radius:999px;padding:7px 13px;color:var(--mut);
  cursor:pointer;background:none;transition:border-color .15s,color .15s}
.chip:hover{border-color:var(--acc);color:var(--ink)}
.chip.on{background:var(--acc-soft);border-color:var(--acc);color:var(--acc)}
.chip.locked{opacity:.5;cursor:not-allowed}
/* labelled field — label left, value right, so a column of them reads as a
   table of numbers rather than a form. Numbers render mono, like everywhere else. */
.fld{display:grid;grid-template-columns:1fr auto;align-items:center;gap:12px}
.fld > span{font-size:13px;color:var(--mut);line-height:1.3}
.fld > span small{display:block;font:500 11px var(--mono);color:var(--dim);letter-spacing:.04em}
.fld input{
  width:130px;padding:9px 11px;border:1px solid var(--line);border-radius:8px;
  background:var(--bg2);color:var(--ink);
  font:500 14px var(--mono);font-variant-numeric:tabular-nums;text-align:right;
}
.fld input:focus{outline:none;border-color:var(--acc);background:var(--panel2)}
.fld input[type=text]{text-align:left;font-family:var(--sans)}
/* Chrome/Safari spinners fight tabular alignment */
.fld input::-webkit-outer-spin-button,.fld input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}
.fld input[type=number]{-moz-appearance:textfield;appearance:textfield}
@media (max-width:480px){ .fld input{width:104px} }

.btn{display:inline-block;border:0;border-radius:10px;padding:13px 22px;font:600 14px var(--sans);cursor:pointer;text-align:center}
.btn.pri{background:var(--acc);color:#05070a}
.btn.pri:hover{background:#5ce4fe;text-decoration:none}
.btn.gho{border:1px solid var(--line2);color:var(--mut);background:none;font-weight:500}
.btn.gho:hover{color:var(--ink);border-color:var(--acc);text-decoration:none}
.btn.wide{width:100%}
.btn[disabled]{opacity:.45;cursor:not-allowed}

/* provenance tags */
.prov{font:600 9.5px var(--mono);letter-spacing:.08em;text-transform:uppercase;border-radius:5px;padding:3px 8px;white-space:nowrap}
.prov.dev{background:var(--acc-soft);color:var(--acc)}
.prov.you{background:rgba(87,201,155,.13);color:var(--good)}
.prov.calc{background:rgba(217,164,65,.13);color:var(--warn)}
.prov.said{background:rgba(138,151,168,.13);color:var(--mut)}

/* range bar */
.rangebar{position:relative;height:10px;border-radius:99px;background:var(--line);margin:14px 0 6px}
.rangefill{position:absolute;top:0;bottom:0;border-radius:99px;
  background:linear-gradient(90deg,rgba(var(--acc-rgb),.45),var(--acc));
  box-shadow:0 0 18px rgba(var(--acc-rgb),.4)}
.rticks{display:flex;justify-content:space-between;font:500 10px var(--mono);color:var(--dim)}

/* macro bar */
.macrobar{display:flex;height:10px;border-radius:99px;overflow:hidden;border:1px solid var(--line)}
.macrobar .p{background:var(--acc)} .macrobar .c{background:#4a7ddb} .macrobar .f{background:#2b4a78}

/* tables of data rows */
.datarow{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:11px 0;border-bottom:1px solid var(--line)}
.datarow:last-child{border-bottom:0}
.datarow .n{font-size:13.5px}
.datarow .v{font:600 14.5px var(--mono)}

/* ---------- AI dock (the chat box below — owner's spec) ---------- */
.aidock{
  position:fixed;left:50%;bottom:18px;transform:translateX(-50%);z-index:60;
  width:min(720px,calc(100vw - 32px));
  border:1px solid var(--line2);border-radius:16px;
  background:rgba(11,15,21,.9);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  box-shadow:0 24px 70px -30px rgba(0,0,0,.8);
}
.aidock .msgs{padding:14px 16px 4px;display:flex;flex-direction:column;gap:8px;max-height:200px;overflow:auto}
.aidock .you,.aidock .ai{max-width:86%;border-radius:11px;padding:9px 12px;font-size:12.5px;line-height:1.5}
.aidock .you{align-self:flex-end;background:var(--acc-soft);border:1px solid rgba(var(--acc-rgb),.25)}
.aidock .ai{align-self:flex-start;background:var(--panel);border:1px solid var(--line)}
.aidock .ai b{color:var(--acc);font-weight:600}
.aidock .in{display:flex;gap:10px;padding:10px;border-top:1px solid var(--line)}
.aidock input{flex:1;background:var(--panel2);border:1px solid var(--line);border-radius:10px;
  padding:11px 14px;color:var(--ink);font:13px var(--sans)}
.aidock input::placeholder{color:var(--dim)}
.aidock .send{border:0;border-radius:10px;background:var(--acc);color:#05070a;font:600 13px var(--sans);padding:0 18px;cursor:pointer}
.dock-note{font:500 9.5px var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--dim);
  text-align:center;padding:0 0 8px}

/* ---------- hypothesis / verdict cards ---------- */
.hypo{border:1px solid var(--line2);border-radius:var(--rad);background:var(--panel2);padding:14px 16px}
.hypo .hq{font-size:14px;font-weight:600;letter-spacing:-.01em}
.hypo .hm{font:500 10.5px var(--mono);color:var(--mut);margin-top:8px;display:flex;gap:14px;flex-wrap:wrap}
.hypo.open{border-left:2px solid var(--acc)}
.hypo.won{border-left:2px solid var(--good)}
.hypo.lost{border-left:2px solid var(--warn)}
.vtick{width:28px;height:28px;border-radius:50%;flex:none;display:grid;place-items:center;font-size:14px;
  background:rgba(87,201,155,.12);color:var(--good);border:1px solid rgba(87,201,155,.35)}

/* scoreboard */
.score{display:flex;align-items:baseline;gap:10px}
.score b{font:600 30px var(--mono);letter-spacing:-.02em}
.score span{font:500 11px var(--mono);color:var(--mut);text-transform:uppercase;letter-spacing:.12em}

/* ---------- avatar hologram ---------- */
.holo{
  position:relative;display:grid;place-items:center;
  padding:30px 10px 10px;min-height:380px;
  background:
    radial-gradient(60% 45% at 50% 88%, rgba(var(--acc-rgb),.14) 0%, transparent 60%),
    linear-gradient(180deg,transparent 60%,rgba(var(--acc-rgb),.03));
  border:1px solid var(--line2);border-radius:var(--rad-lg);overflow:hidden;
}
.holo::before{ /* scanlines */
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background:repeating-linear-gradient(180deg,transparent 0 3px,rgba(var(--acc-rgb),.03) 3px 4px);
}
.holo .floor{position:absolute;bottom:26px;width:220px;height:38px;border-radius:50%;
  border:1px solid rgba(var(--acc-rgb),.35);
  box-shadow:0 0 40px rgba(var(--acc-rgb),.25), inset 0 0 30px rgba(var(--acc-rgb),.12)}
.holo .fig{position:relative;z-index:2;filter:drop-shadow(0 0 14px rgba(var(--acc-rgb),.5));
  animation:holo-turn 9s ease-in-out infinite}
@keyframes holo-turn{
  0%,100%{transform:perspective(700px) rotateY(-24deg)}
  50%{transform:perspective(700px) rotateY(24deg)}
}
.holo .hud{position:absolute;z-index:3;font:500 9.5px var(--mono);letter-spacing:.12em;color:var(--acc);
  text-transform:uppercase;opacity:.85}
.holo .hud small{display:block;color:var(--dim);letter-spacing:.06em}

/* hero layout — was an inline style, which no media query could override,
   so the film collapsed to ~130px on a phone. Now it stacks properly. */
.herogrid{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(24px,4vw,64px);align-items:center}
@media (max-width:860px){
  .herogrid{grid-template-columns:1fr;gap:34px}
  .herogrid > div:first-child{order:1}
}

/* ---------- hero film (replaces .holo as the hero visual) ----------
   9:16 loop in the hero's narrow column. Sized by aspect-ratio so it
   reserves its space before the poster decodes — no layout shift. */
.herofilm{
  position:relative;border:1px solid var(--line2);border-radius:var(--rad-lg);
  overflow:hidden;background:#05070a;
  aspect-ratio:9/16;width:100%;max-width:340px;margin-inline:auto;
  box-shadow:0 40px 90px -60px rgba(var(--acc-rgb),.45);
}
.herofilm .loop{width:100%;height:100%;object-fit:cover;display:block}
.herofilm::before{ /* scanlines, matching .holo's texture */
  content:"";position:absolute;inset:0;z-index:2;pointer-events:none;opacity:.45;
  background:repeating-linear-gradient(180deg,transparent 0 3px,rgba(var(--acc-rgb),.03) 3px 4px);
}
.herofilm::after{ /* bottom scrim so the control stays legible over any frame */
  content:"";position:absolute;inset:auto 0 0 0;height:45%;z-index:2;pointer-events:none;
  background:linear-gradient(180deg,transparent,rgba(5,7,10,.85));
}
.herofilm .hud{
  position:absolute;top:16px;left:16px;z-index:3;
  font:500 9.5px var(--mono);letter-spacing:.12em;color:var(--acc);
  text-transform:uppercase;opacity:.85;text-shadow:0 1px 8px rgba(0,0,0,.8);
}
.herofilm .hud small{display:block;color:var(--mut);letter-spacing:.06em}
.herofilm .playfilm{
  position:absolute;left:16px;right:16px;bottom:16px;z-index:4;
  display:flex;align-items:center;gap:9px;
  padding:11px 14px;border:1px solid rgba(255,255,255,.16);border-radius:99px;
  background:rgba(5,7,10,.55);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  color:var(--ink);font:600 12.5px var(--sans);cursor:pointer;
  transition:border-color .18s,background .18s;
}
.herofilm .playfilm:hover{border-color:var(--acc);background:rgba(var(--acc-rgb),.16)}
.herofilm .playfilm .tri{
  width:0;height:0;flex:none;
  border-left:9px solid var(--ink);border-top:6px solid transparent;border-bottom:6px solid transparent;
}
.herofilm .playfilm .dur{margin-left:auto;font-family:var(--mono);color:var(--mut);font-size:11px}

/* film modal */
.filmmodal{
  position:fixed;inset:0;z-index:100;display:none;place-items:center;
  padding:clamp(12px,3vw,32px);
  background:rgba(3,5,8,.92);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
}
.filmmodal[open],.filmmodal.on{display:grid}
.filmmodal video{
  width:auto;height:auto;max-width:min(100%,420px);max-height:calc(100dvh - 120px);
  aspect-ratio:9/16;border-radius:var(--rad);border:1px solid var(--line2);background:#000;
}
.filmmodal .close{
  position:absolute;top:clamp(12px,3vw,26px);right:clamp(12px,3vw,26px);
  width:42px;height:42px;border-radius:50%;
  border:1px solid var(--line2);background:var(--panel);color:var(--ink);
  font:400 20px/1 var(--sans);cursor:pointer;
}
.filmmodal .close:hover{border-color:var(--acc);color:var(--acc)}
.filmmodal .cap{
  position:absolute;left:0;right:0;bottom:clamp(14px,3vw,26px);
  text-align:center;font:500 12px var(--mono);color:var(--dim);
}

/* Stacked layout: keep the film from eating the fold. Declared after the base
   rule so it actually wins the cascade — both have the same specificity. */
@media (max-width:860px){
  .herofilm{order:2;max-width:min(270px,64vw)}
}

/* Reduced motion: the loop is decoration, so hold the poster frame instead.
   The full film stays available — it is deliberate, not ambient. */
@media (prefers-reduced-motion:reduce){
  .herofilm .loop{display:none}
  .herofilm{background:#05070a center/cover no-repeat url("video/hero-loop-poster.webp")}
}

/* ---------- trend chart frame ---------- */
.trend{border:1px solid var(--line);border-radius:var(--rad);background:var(--panel);padding:14px 14px 8px}
.trend .tlab{display:flex;justify-content:space-between;font:500 10px var(--mono);color:var(--dim);padding-bottom:8px;letter-spacing:.08em}

/* ---------- marketing (index) ---------- */
.hero{position:relative;min-height:82vh;display:grid;align-items:center;padding:60px 0 40px;overflow:hidden}
.hero .glow{position:absolute;inset:auto -20% -55% -20%;height:80%;z-index:-1;
  background:radial-gradient(50% 60% at 50% 0%, rgba(var(--acc-rgb),.16) 0%, transparent 70%)}
.hero .kicker{display:inline-flex;align-items:center;gap:9px;font:500 11px var(--mono);letter-spacing:.16em;
  text-transform:uppercase;color:var(--mut);border:1px solid var(--line2);border-radius:99px;padding:8px 14px;margin-bottom:26px}
.hero .kicker .dot{width:6px;height:6px;border-radius:50%;background:var(--good);box-shadow:0 0 10px var(--good)}
.hero p.lead{font-size:clamp(15px,1.6vw,18px);color:var(--mut);max-width:56ch;margin-top:22px}
.hero .ctas{display:flex;gap:12px;margin-top:34px;flex-wrap:wrap}
.marketing section{padding:clamp(48px,8vw,110px) 0;border-top:1px solid var(--line)}
.marketing .sechead{max-width:64ch;margin-bottom:36px}
.marketing .sechead p{color:var(--mut);margin-top:12px}
.footer{border-top:1px solid var(--line);padding:34px 0 60px;color:var(--dim);font:500 11px var(--mono);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;letter-spacing:.06em}

/* ---------- section background clips ----------
   A clip sits behind the section at --clip-op, with a gradient scrim between
   it and the copy. Measured on the real composite: with the scrim in place
   every clip in the set holds AAA for white text even at opacity 1 (worst
   11.99:1), so the opacity is an aesthetic decision, not a contrast one.
   Change --clip-op alone to make the whole set more or less present. */
:root{ --clip-op:1 }
.clipsec{position:relative;isolation:isolate;overflow:hidden}
.clipsec > .secbg{
  position:absolute;inset:0;width:100%;height:100%;
  object-fit:cover;z-index:-2;opacity:var(--clip-op)}
.clipsec::before{
  content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;
  background:linear-gradient(180deg,
    rgba(5,7,10,.40) 0%, rgba(5,7,10,.12) 55%, rgba(5,7,10,.35) 100%)}
.clipsec > .wrap{position:relative;z-index:1}

/* the brand sign-off band. Clip F already carries its own dimming and the
   composited logo, so it takes no scrim and runs at full opacity. */
.signoff{position:relative;overflow:hidden;border-top:1px solid var(--line);
  min-height:clamp(260px,34vw,400px)}
.signoff > .secbg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}

@media (prefers-reduced-motion:reduce){
  .clipsec > .secbg,.signoff > .secbg{display:none}
}

/* ---------- six-week scrubber: transformation without a body photo ---------- */
.cycle{border:1px solid var(--line2);border-radius:var(--rad-lg);padding:clamp(20px,3vw,34px);
  background:radial-gradient(120% 140% at 50% 0%,#101b2c 0%,#0b0f15 60%,#070a10 100%);
  box-shadow:0 30px 90px -50px rgba(var(--acc-rgb),.3)}
.cycle .head{display:flex;justify-content:space-between;align-items:baseline;gap:14px;flex-wrap:wrap}
.cycle .wk{font:600 12px var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--acc)}
.cycle .phase{font:500 11px var(--mono);color:var(--dim);letter-spacing:.1em;text-transform:uppercase}

.scrub{margin:22px 0 6px;position:relative}
.scrub input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:4px;border-radius:99px;
  background:linear-gradient(90deg,var(--acc) var(--pct,0%),var(--line) var(--pct,0%));cursor:pointer;outline:none}
.scrub input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:20px;height:20px;border-radius:50%;
  background:var(--acc);border:3px solid #05070a;box-shadow:0 0 0 1px var(--acc),0 0 18px rgba(var(--acc-rgb),.7);cursor:grab}
.scrub input[type=range]::-moz-range-thumb{width:20px;height:20px;border-radius:50%;background:var(--acc);
  border:3px solid #05070a;box-shadow:0 0 0 1px var(--acc),0 0 18px rgba(var(--acc-rgb),.7);cursor:grab}
.scrub input[type=range]:focus-visible{outline:2px solid var(--acc);outline-offset:6px}
.scrub .ticks{display:flex;justify-content:space-between;margin-top:9px;
  font:500 10px var(--mono);color:var(--dim);letter-spacing:.08em}
.scrub .ticks span{flex:1;text-align:center}
.scrub .ticks span.on{color:var(--acc)}

.cyclegrid{display:grid;grid-template-columns:1.25fr 1fr;gap:clamp(16px,2.5vw,30px);margin-top:26px;align-items:start}
.metric{border:1px solid var(--line);border-radius:var(--rad);background:rgba(11,15,21,.7);padding:15px 16px}
.metric .lab{font:600 10px var(--mono);letter-spacing:.13em;text-transform:uppercase;color:var(--dim);
  display:flex;justify-content:space-between;gap:8px}
.metric .val{font:600 clamp(22px,3vw,30px)/1 var(--mono);letter-spacing:-.02em;margin-top:8px}
.metric .val small{font-size:.45em;color:var(--dim);letter-spacing:0;font-weight:500;margin-left:.35em}
.metric .delta{font:500 11px var(--mono);margin-top:6px}
.metric + .metric{margin-top:12px}

/* the narrowing band — the signature visual */
.band{position:relative;height:12px;border-radius:99px;background:var(--line);margin:16px 0 8px;overflow:hidden}
.band i{position:absolute;top:0;bottom:0;border-radius:99px;
  background:linear-gradient(90deg,rgba(var(--acc-rgb),.4),var(--acc));
  box-shadow:0 0 22px rgba(var(--acc-rgb),.55);
  transition:left .55s cubic-bezier(.22,1,.36,1),width .55s cubic-bezier(.22,1,.36,1)}
.band .ghost{position:absolute;top:0;bottom:0;border-radius:99px;border:1px dashed rgba(var(--acc-rgb),.35);
  background:rgba(var(--acc-rgb),.05)}
.bandticks{display:flex;justify-content:space-between;font:500 10px var(--mono);color:var(--dim)}

.coachline{border-left:2px solid var(--acc);background:var(--panel);border-radius:0 10px 10px 0;
  padding:13px 16px;margin-top:16px;font-size:13.5px;color:var(--mut);min-height:74px}
.coachline b{color:var(--ink);font-weight:600}
.coachline .verdict{color:var(--good);font-weight:600}

.sparkwrap{border:1px solid var(--line);border-radius:var(--rad);background:rgba(11,15,21,.7);padding:14px 15px 8px}
.sparkwrap .lab{font:600 10px var(--mono);letter-spacing:.13em;text-transform:uppercase;color:var(--dim)}

@media (max-width:860px){ .cyclegrid{grid-template-columns:1fr} }
@media (prefers-reduced-motion:reduce){ .band i{transition:none} }

/* reveal-on-scroll */
.rev{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s ease}
.rev.vis{opacity:1;transform:none}

/* page scan-in */
@keyframes pagescan{from{transform:scaleX(0)}to{transform:scaleX(1)}}
.scanline{position:fixed;top:0;left:0;right:0;height:2px;z-index:100;transform-origin:left;
  background:linear-gradient(90deg,var(--acc),transparent);animation:pagescan .8s ease-out forwards}

/* ---------- exercise demo tile ---------- */
.demo-tile{position:relative;border:1px solid var(--line);border-radius:10px;background:var(--panel2);
  aspect-ratio:4/3;display:grid;place-items:center;overflow:hidden}
.demo-tile svg{filter:drop-shadow(0 0 8px rgba(var(--acc-rgb),.45))}
.demo-tile .dn{position:absolute;left:10px;bottom:8px;font:600 10px var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--mut)}
.demo-tile .dt{position:absolute;right:10px;top:8px;font:500 9px var(--mono);color:var(--dim)}

/* ---------- misc ---------- */
.pill-note{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line);border-radius:10px;
  background:var(--panel);padding:9px 13px;font-size:12px;color:var(--mut)}
.tag{font:600 9.5px var(--mono);letter-spacing:.1em;text-transform:uppercase;padding:3px 8px;border-radius:5px;
  border:1px solid var(--line2);color:var(--mut)}
kbd{font:600 10.5px var(--mono);border:1px solid var(--line2);border-bottom-width:2px;border-radius:5px;padding:2px 6px;color:var(--mut)}

@media (max-width:860px){
  .split,.grid3{grid-template-columns:1fr}
  .nav a:not(.cta):not(.on){display:none}
  .aidock .msgs{max-height:120px}
}
@media (prefers-reduced-motion:reduce){
  .holo .fig{animation:none;transform:perspective(700px) rotateY(-14deg)}
  .rev{opacity:1;transform:none;transition:none}
  .scanline{display:none}
  html{scroll-behavior:auto}
}

/* ---------- accessibility + overflow guard (10k-websites quality floor) ----------
   overflow-x needs BOTH html and body: `hidden` alone still lets script scroll the
   page sideways, and one anchor jump can leave it permanently shifted. `clip` is
   the real fix; `hidden` stays first as the fallback for older browsers. */
html,body{overflow-x:hidden;overflow-x:clip}

.skip{position:absolute;left:-9999px;top:0;z-index:200;
  background:var(--acc);color:#05070a;padding:12px 18px;border-radius:0 0 10px 0;
  font:600 13px var(--sans);text-decoration:none}
.skip:focus{left:0}
main:focus{outline:none}

/* Touch targets: 44px minimum on coarse pointers, without changing layout.
   inline-flex needs its alignment re-declared or labels drift left. */
@media (pointer:coarse){
  .btn{min-height:44px;display:inline-flex;align-items:center;justify-content:center}
  .nav a{min-height:44px;display:inline-flex;align-items:center}
}