/* ============================================================
   THE SYSTEMS LAWYER — landing (dark, campaign-aligned)
   Display: Space Grotesk · Body: Inter · Labels: Space Mono
   ============================================================ */
:root{
  --ink:#0b0b0c;
  --ink-2:#141417;
  --ink-3:#1c1c20;
  --paper:#f4f3ef;
  --white:#fff;
  --grey:#9a9a97;
  --grey-2:#c7c7c3;
  --line:rgba(255,255,255,.14);
  --line-2:rgba(255,255,255,.28);
  --disp:"Space Grotesk", system-ui, sans-serif;
  --sans:"Inter", system-ui, -apple-system, sans-serif;
  --mono:"Space Mono", ui-monospace, monospace;
  --max:1160px;
  --ease:cubic-bezier(.22,.61,.36,1);
  /* accent — warm brass, used sparingly: action, verification, progress, focus */
  --accent:#d3a54a;
  --accent-2:#e7c47c;          /* hover / lighter */
  --accent-ink:#7a5a17;        /* accent on light (paper) surfaces */
  --accent-soft:rgba(211,165,74,.14);
  --nav-h:64px;
}
::selection{background:var(--accent);color:var(--ink)}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--ink);color:var(--white);
  font-family:var(--sans);font-weight:400;line-height:1.6;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3{margin:0}

/* ---------- shared type ---------- */
.eyebrow{
  font-family:var(--mono);font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;
  color:var(--grey);margin:0 0 1.4rem;font-weight:400;
}
.eyebrow--invert{color:#5b5b57}
.h-disp{
  font-family:var(--disp);font-weight:700;
  font-size:clamp(1.9rem,4.6vw,3.4rem);line-height:1.03;letter-spacing:-.015em;
}
.h-disp--xl{font-size:clamp(2.6rem,8vw,6rem)}
.deck{font-family:var(--sans);font-weight:300;font-size:clamp(1.05rem,1.8vw,1.35rem);color:var(--grey-2);margin:1.2rem 0 0;max-width:34ch}

/* ============================================================
   HERO — scroll-scrubbed sticky video (pinned via ScrollTrigger)
   ============================================================ */
.hero{position:relative;height:520vh;background:#000}
.hero__sticky{height:100vh;width:100%;overflow:hidden;background:#000}
.hero__video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:contrast(1.05)}
.hero__scrim{position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(120% 90% at 66% 30%, transparent 40%, rgba(0,0,0,.34) 100%),
    linear-gradient(to bottom, rgba(0,0,0,.42) 0%, rgba(0,0,0,.06) 16%, transparent 34%, transparent 44%, rgba(0,0,0,.55) 74%, rgba(0,0,0,.86) 100%);}

/* small brand lockup — top bar over the film, never covers the book */
.hero__brand{position:absolute;top:5vh;left:6vw;right:6vw;z-index:3;display:flex;justify-content:space-between;align-items:center;gap:1rem;text-shadow:0 2px 24px rgba(0,0,0,.7)}
.hero__logo{font-family:var(--disp);font-weight:700;font-size:clamp(1rem,1.7vw,1.35rem);letter-spacing:-.01em;color:var(--white);white-space:nowrap}
.hero__tag{font-family:var(--mono);font-size:.66rem;letter-spacing:.16em;text-transform:uppercase;color:var(--grey-2);white-space:nowrap}

/* title band — the big brand lockup on solid dark (echoes campaign G01) */
.band--title{background:var(--ink);text-align:center;padding:22vh 6vw 20vh}
.h-disp--hero{font-size:clamp(2.8rem,9vw,7rem);line-height:.94;letter-spacing:-.03em}
.band--title .deck,.deck--wide{margin:1.6rem auto 0;max-width:54ch}
.band--title .actions{justify-content:center;margin-top:2.6rem}

/* ============================================================
   PRODUCT HERO (book as product)
   ============================================================ */
.phero{min-height:100vh;display:flex;align-items:center;background:var(--ink);padding:14vh 6vw 10vh;position:relative;overflow:hidden}
.phero::after{content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(80% 70% at 30% 40%, rgba(255,255,255,.05), transparent 60%)}
.phero__inner{position:relative;z-index:1;display:grid;grid-template-columns:minmax(280px,440px) 1fr;gap:clamp(2.5rem,7vw,6.5rem);align-items:center;max-width:var(--max);margin:0 auto;width:100%}
.phero__book{margin:0}
.phero__book img{width:100%;filter:drop-shadow(40px 48px 64px rgba(0,0,0,.62));transform:rotate(-1deg);
  cursor:grab;touch-action:none;user-select:none;-webkit-user-drag:none}
.phero__book img:active{cursor:grabbing}
.phero .h-disp--hero{font-size:clamp(2.4rem,5.4vw,4.6rem);line-height:.96}
.phero .product__meta{margin:1.9rem 0 2.3rem}
.phero__hint{font-family:var(--mono);font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:var(--grey);margin:1.7rem 0 0}

/* ============================================================
   FILM — interactive scene navigation
   ============================================================ */
.film{border-top:1px solid var(--line)}
.scenes{position:absolute;left:6vw;right:6vw;bottom:8vh;z-index:4;display:flex;gap:.6rem;flex-wrap:wrap}
.scene{appearance:none;background:rgba(10,10,12,.4);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  border:1px solid var(--line-2);color:var(--grey-2);font-family:var(--mono);font-size:.68rem;letter-spacing:.1em;
  text-transform:uppercase;padding:.6rem .9rem;border-radius:2px;cursor:pointer;display:flex;gap:.55rem;align-items:center;
  transition:background .3s var(--ease),color .3s var(--ease),border-color .3s var(--ease)}
.scene span{color:var(--white);opacity:.55;transition:opacity .3s,color .3s}
.scene:hover,.scene.is-active{background:var(--white);color:var(--ink);border-color:var(--white)}
.scene:hover span,.scene.is-active span{color:var(--ink);opacity:1}

/* captions */
.cap{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:center;align-items:center;
  text-align:center;padding:0 8vw;opacity:0;will-change:opacity,transform;pointer-events:none;z-index:2}
.cap--bottom{justify-content:flex-end;padding-bottom:12vh}
.cap__lead{font-family:var(--mono);font-size:.8rem;letter-spacing:.16em;text-transform:uppercase;color:var(--grey-2);margin:0 0 1rem}
.cap__big{font-family:var(--disp);font-weight:700;font-size:clamp(2.2rem,6.5vw,5rem);line-height:1.02;letter-spacing:-.02em;text-shadow:0 2px 40px rgba(0,0,0,.5)}
.cap__big--em{font-weight:600}
.cap__big--em::after{content:"";display:block;width:72px;height:2px;background:var(--white);margin:1.4rem auto 0}

.hero__cue{position:absolute;right:6vw;bottom:3.4vh;z-index:3;
  color:var(--grey-2);font-family:var(--mono);font-size:.62rem;letter-spacing:.28em;text-transform:uppercase;
  display:flex;flex-direction:column;align-items:center;gap:.7rem}
.hero__cue span{width:1px;height:44px;background:var(--line-2);position:relative;overflow:hidden}
.hero__cue span::after{content:"";position:absolute;top:-44px;left:0;width:100%;height:44px;background:var(--white);animation:cue 2.2s var(--ease) infinite}
@keyframes cue{0%{transform:translateY(0)}60%,100%{transform:translateY(88px)}}

/* ============================================================
   BANDS
   ============================================================ */
.band{padding:16vh 6vw;position:relative}
.band > *{max-width:var(--max);margin:0 auto}
.band--split{background:var(--ink)}
.band--product{background:var(--ink-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.band--idea{background:var(--ink)}
.band--stack{background:var(--ink-2)}
.band--playbook{background:var(--ink)}
.band--local{background:var(--ink-2);border-top:1px solid var(--line)}
.band--author{background:var(--ink)}

/* split layout (head + list) */
.split{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(2rem,7vw,6rem);align-items:center}
.ticks{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:1.1rem}
.ticks li{display:flex;align-items:baseline;gap:1.1rem;font-family:var(--disp);font-weight:500;
  font-size:clamp(1.2rem,2.4vw,1.9rem);border-left:2px solid var(--line-2);padding-left:1.2rem}
.ticks li span{font-family:var(--mono);font-size:.8rem;color:var(--grey);min-width:1.6em}

/* product */
.product{display:grid;grid-template-columns:minmax(280px,440px) 1fr;gap:clamp(2.5rem,7vw,6rem);align-items:center}
.product__shot{margin:0}
.product__shot img{width:100%;filter:drop-shadow(40px 46px 60px rgba(0,0,0,.6));transform:rotate(-1deg);transition:transform .8s var(--ease);cursor:grab}
.product__shot img:active{cursor:grabbing}
.product__meta{list-style:none;margin:1.8rem 0 2.2rem;padding:0}
.product__meta li{font-family:var(--mono);font-size:.82rem;letter-spacing:.02em;color:var(--grey);padding:.4rem 0;border-bottom:1px solid var(--line);max-width:36ch}
.product__meta li:first-child{border-top:1px solid var(--line)}
.product__look{margin:1.4rem 0 0;font-family:var(--mono);font-size:.74rem;letter-spacing:.08em}
.product__look a{color:var(--grey-2);text-decoration:none;border-bottom:1px solid var(--line-2);padding-bottom:2px;display:inline-block;line-height:2.4}
.product__look a:hover{color:var(--white);border-color:var(--white)}

/* ---------- book cover that opens on hover, closes on mouse-out ---------- */
.bk-host{
  --bk-width:clamp(220px,24vw,300px);
  --bk-paper:#f4f1ea; --bk-edge:#e5e2da; --bk-focus:var(--white);
  --bk-ease:cubic-bezier(0.22,1,0.36,1);
  display:block; width:var(--bk-width); margin:0 auto; border-radius:6px; outline-offset:6px;
}
.bk-host:focus-visible{outline:2px solid var(--bk-focus)}
/* perspective box; everything hinges on the LEFT (spine) edge */
.bk{display:block;width:100%;perspective:1200px;transform-style:preserve-3d}
.bk-wrap{position:relative;display:block;width:100%;aspect-ratio:1 / 1.5;
  transform-style:preserve-3d;transform-origin:30% center;background:var(--bk-paper);
  box-shadow:2px 0 4px rgb(0 0 0 / .28), 26px 34px 46px -24px rgb(0 0 0 / .7);
  transition:transform 220ms var(--bk-ease)}
.bk-page{position:absolute;inset:0;transform-origin:left center;background:var(--bk-paper);
  border:1px solid var(--bk-edge);transition:transform 320ms var(--bk-ease),box-shadow 320ms var(--bk-ease)}
.bk-cover{position:absolute;inset:0;z-index:1;overflow:hidden;transform-origin:left center;
  box-shadow:0 10px 10px rgb(0 0 0 / .24);transition:transform 320ms var(--bk-ease),box-shadow 320ms var(--bk-ease)}
.bk-cover img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block;
  filter:none;transform:none;box-shadow:none;cursor:inherit;-webkit-user-drag:none;user-select:none}
.bk-cover::after{content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(90deg,
    rgb(255 255 255 / .15) 1%, rgb(0 0 0 / .18) 3%,
    rgb(255 255 255 / .15) 5%, rgb(255 255 255 / 0) 7%);
  box-shadow:inset 0 -1px 3px rgb(80 80 80 / .55)}

/* OPEN: each layer rotates a different amount, so the cover swings and pages fan.
   Hover only on real pointers, so a tap on a phone never leaves it stuck open. */
@media (hover:hover) and (pointer:fine){
  .bk-host:hover .bk-wrap  {transform:rotateY(-15deg)}
  .bk-host:hover .bk-p1    {transform:rotateY(-8deg)}
  .bk-host:hover .bk-p2    {transform:rotateY(-14deg)}
  .bk-host:hover .bk-cover {transform:rotateY(-18deg);box-shadow:0 16px 26px rgb(0 0 0 / .4)}
}
/* keyboard users get the same effect */
.bk-host:focus-visible .bk-wrap  {transform:rotateY(-15deg)}
.bk-host:focus-visible .bk-p1    {transform:rotateY(-8deg)}
.bk-host:focus-visible .bk-p2    {transform:rotateY(-14deg)}
.bk-host:focus-visible .bk-cover {transform:rotateY(-18deg)}

/* reduced motion: no swing (a shortened transition would SNAP it open); deeper shadow is the cue */
@media (prefers-reduced-motion:reduce){
  .bk-host .bk-wrap,.bk-host .bk-page,.bk-host .bk-cover{transform:none !important;transition:none}
  .bk-host:hover .bk-cover,.bk-host:focus-visible .bk-cover{box-shadow:0 12px 22px rgb(0 0 0 / .34)}
}

/* ---------- rotatable 3D book ---------- */
.book3d{--bw:clamp(200px,26vw,320px);--bh:calc(var(--bw)/0.667);--bd:calc(var(--bw)*0.085);
  width:var(--bw);height:var(--bh);margin:0 auto;position:relative;perspective:1600px;cursor:grab;touch-action:pan-y}
.book3d:active{cursor:grabbing}
.book3d__stage{width:100%;height:100%;transform-style:preserve-3d}
.book3d__rotor{position:absolute;inset:0;transform-style:preserve-3d;transform:rotateX(-6deg) rotateY(-28deg);will-change:transform}
.bface{position:absolute;top:50%;left:50%;overflow:hidden;backface-visibility:hidden;background:#111}
.book3d .bface img{width:100%;height:100%;object-fit:cover;display:block;filter:none;transform:none;box-shadow:none;cursor:inherit;-webkit-user-drag:none;user-select:none}
.bface--front,.bface--back{width:var(--bw);height:var(--bh);margin-left:calc(var(--bw)/-2);margin-top:calc(var(--bh)/-2)}
.bface--front{transform:translateZ(calc(var(--bd)/2))}
.bface--back{transform:rotateY(180deg) translateZ(calc(var(--bd)/2))}
.bface--spine{width:var(--bd);height:var(--bh);margin-left:calc(var(--bd)/-2);margin-top:calc(var(--bh)/-2);transform:rotateY(-90deg) translateZ(calc(var(--bw)/2))}
.bface--edge{width:var(--bd);height:var(--bh);margin-left:calc(var(--bd)/-2);margin-top:calc(var(--bh)/-2);transform:rotateY(90deg) translateZ(calc(var(--bw)/2));
  background:repeating-linear-gradient(to bottom,#efeadd 0 2px,#cfc9b8 2px 3px)}
.bface--top,.bface--bottom{width:var(--bw);height:var(--bd);margin-left:calc(var(--bw)/-2);margin-top:calc(var(--bd)/-2);
  background:repeating-linear-gradient(to right,#efeadd 0 2px,#cfc9b8 2px 3px)}
.bface--top{transform:rotateX(90deg) translateZ(calc(var(--bh)/2))}
.bface--bottom{transform:rotateX(-90deg) translateZ(calc(var(--bh)/2))}
.bface--front::after,.bface--back::after{content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(105deg,rgba(255,255,255,.12),transparent 42%)}
.book3d__shadow{position:absolute;left:50%;bottom:-8%;width:76%;height:32px;transform:translateX(-50%);
  background:radial-gradient(ellipse at center,rgba(0,0,0,.6),transparent 72%);filter:blur(7px);z-index:-1}
.book3d__ui{display:flex;align-items:center;justify-content:center;gap:.7rem;margin-top:2.4rem;flex-wrap:wrap}
.bctl{font-family:var(--mono);font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--white);
  background:transparent;border:1px solid var(--line-2);padding:.55rem 1.2rem;border-radius:2px;cursor:pointer;transition:all .25s var(--ease)}
.bctl:hover{background:var(--white);color:var(--ink);border-color:var(--white)}
.book3d__hint{font-family:var(--mono);font-size:.64rem;letter-spacing:.12em;text-transform:uppercase;color:var(--grey);margin-left:.3rem}

/* idea (verification) */
.band--idea .split__head{max-width:none}

/* stack diagram */
.diagramwrap{margin:4rem auto 1rem;max-width:var(--max)}
.diagram{width:100%;height:auto;overflow:visible}
.diagram .bus{stroke:var(--line-2);stroke-width:2}
.diagram .drop{stroke:var(--line);stroke-width:1.5}
.diagram .dot,.diagram .ring{transform-box:fill-box;transform-origin:center}
.diagram .dot{fill:var(--white)}
.diagram .ring{fill:none;stroke:var(--white);stroke-width:2}
.diagram .nlabel{fill:var(--grey);font-family:var(--mono);font-size:15px;letter-spacing:.12em;text-anchor:middle}
.diagram .node--hub .nlabel{fill:var(--white)}
.diagram .pulse{fill:var(--white);filter:drop-shadow(0 0 6px rgba(255,255,255,.9))}

.stack{list-style:none;margin:2.5rem auto 0;padding:0;max-width:var(--max)}
.stack__row{display:grid;grid-template-columns:auto 200px 1fr;gap:clamp(1rem,4vw,3rem);align-items:baseline;padding:1.7rem 0;border-top:1px solid var(--line)}
.stack__row:last-child{border-bottom:1px solid var(--line)}
.stack__n{font-family:var(--mono);font-size:.8rem;color:var(--grey)}
.stack__name{font-family:var(--disp);font-weight:600;font-size:clamp(1.5rem,3vw,2.2rem)}
.stack__desc{color:var(--grey-2);font-size:1rem;max-width:48ch}

/* playbook steps */
.steps{list-style:none;margin:4rem auto 0;padding:0;max-width:var(--max);display:grid;grid-template-columns:repeat(5,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.steps li{background:var(--ink);padding:2.4rem 1.4rem}
.steps__n{font-family:var(--mono);font-size:.8rem;color:var(--grey);display:block;margin-bottom:1.6rem}
.steps h3{font-family:var(--disp);font-weight:600;font-size:1.15rem;line-height:1.2}

/* local */
.local__body{font-size:1.1rem;color:var(--grey-2);max-width:46ch}
.local__body strong{color:var(--white)}

/* canvas (signature idea) */
.band--canvas{background:var(--ink)}
.canvas{list-style:none;margin:4rem auto 0;padding:0;max-width:var(--max);
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.canvas li{background:var(--ink);padding:2rem 1.5rem 2.2rem}
.canvas__n{font-family:var(--mono);font-size:.75rem;color:var(--grey);display:block;margin-bottom:1.2rem}
.canvas h3{font-family:var(--disp);font-weight:600;font-size:1.12rem;margin-bottom:.6rem;line-height:1.15}
.canvas p{font-size:.9rem;color:var(--grey-2);margin:0}
.canvas li.canvas__key{background:var(--ink-3)} /* verification — highlighted */
.canvas li.canvas__key h3{color:var(--white)}
.canvas li:nth-last-child(-n+2){grid-column:span 2} /* 14 cells: last row of two fills the 4-col grid */

/* look inside */
.band--inside{background:var(--ink-2);border-top:1px solid var(--line)}
.inside{display:grid;grid-template-columns:1.35fr .65fr;gap:clamp(2rem,6vw,5rem);margin-top:3.5rem;align-items:start}
.inside__quotes{display:flex;flex-direction:column;gap:2.4rem}
.inside__quotes blockquote{margin:0;font-family:var(--disp);font-weight:500;
  font-size:clamp(1.25rem,2.4vw,1.9rem);line-height:1.28;letter-spacing:-.01em;color:var(--white);
  border-left:2px solid var(--line-2);padding-left:1.6rem}
.inside__quotes cite{display:block;margin-top:1rem;font-family:var(--mono);font-style:normal;
  font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--grey)}
.inside__toc{border:1px solid var(--line);padding:2rem 1.8rem;background:var(--ink)}
.toc{list-style:none;margin:0;padding:0}
.toc li{display:grid;grid-template-columns:2.2rem 1fr auto;gap:.8rem;align-items:baseline;
  padding:.9rem 0;border-top:1px solid var(--line);font-family:var(--disp)}
.toc li:first-child{border-top:0}
.toc li > span:first-child{font-family:var(--mono);font-size:.78rem;color:var(--grey)}
.toc__t{font-weight:500;font-size:1.02rem}
.toc em{font-family:var(--mono);font-style:normal;font-size:.76rem;color:var(--grey)}
.inside__note{font-family:var(--mono);font-size:.72rem;letter-spacing:.06em;color:var(--grey);margin:1.4rem 0 0}

/* ---------- chapter reel (look inside) ----------
   No JS: a plain list of all 25 chapters. With .js (reel.js): one card at a time,
   cards stacked in one grid cell so the stage never changes height. */
.reel{margin:3.5rem auto 0;border:1px solid var(--line);background:var(--ink);padding:clamp(1.3rem,3vw,2.6rem)}
.reel__parts{display:none;gap:.45rem;flex-wrap:wrap;margin:0 0 2rem}
.reel__part{appearance:none;font-family:var(--mono);font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;
  color:var(--grey);background:transparent;border:1px solid var(--line);border-radius:2px;
  min-height:44px;padding:0 1rem;cursor:pointer;transition:background .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease)}
.reel__part:hover{color:var(--white);border-color:var(--line-2)}
.reel__part[aria-pressed="true"]{background:var(--white);color:var(--ink);border-color:var(--white)}
.reel__stage{list-style:none;margin:0;padding:0;display:grid;gap:2.4rem;outline:none}
.reel__stage:focus-visible{outline:1px solid var(--line-2);outline-offset:8px}
.reel__card{display:grid;grid-template-columns:minmax(5.5rem,11rem) 1fr;column-gap:clamp(1.2rem,4vw,3.4rem);align-items:start}
.reel__meta{grid-column:2;margin:0 0 1rem;font-family:var(--mono);font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--grey)}
.reel__n{grid-column:1;grid-row:1 / span 4;display:block;font-family:var(--disp);font-weight:700;
  font-size:clamp(4rem,11vw,9rem);line-height:.82;letter-spacing:-.05em;color:transparent;
  -webkit-text-stroke:1px var(--line-2);overflow:hidden}
.reel__meta .reel__n{margin:0}
.reel__title{grid-column:2;font-family:var(--disp);font-weight:600;font-size:clamp(1.45rem,3.2vw,2.5rem);line-height:1.08;letter-spacing:-.015em;max-width:24ch}
.reel__hook{grid-column:2;margin:1.1rem 0 0;font-family:"Cormorant Garamond",Georgia,serif;font-style:italic;font-size:clamp(1.15rem,2vw,1.5rem);color:var(--grey-2)}
.reel__line{grid-column:2;margin:1.3rem 0 0;padding-left:1.2rem;border-left:2px solid var(--line-2);
  font-size:clamp(1rem,1.5vw,1.15rem);line-height:1.55;color:var(--white);max-width:56ch}
.reel__bar{display:none;height:2px;background:var(--line);margin:2.4rem 0 1.4rem;overflow:hidden}
.reel__progress{display:block;height:100%;background:var(--white);transform-origin:left center;transform:scaleX(0)}
.reel__ctrl{display:flex;align-items:center;gap:.6rem;flex-wrap:wrap;margin-top:2rem}
.reel__btn,.reel__count{display:none}
.reel__btn{appearance:none;min-width:44px;min-height:44px;padding:0 1rem;border:1px solid var(--line-2);border-radius:2px;
  background:transparent;color:var(--white);font-family:var(--mono);font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;cursor:pointer;
  transition:background .25s var(--ease),color .25s var(--ease)}
.reel__btn:hover{background:var(--white);color:var(--ink)}
.reel__count{font-family:var(--mono);font-size:.78rem;color:var(--grey);padding:0 .4rem;min-width:5.5em;text-align:center}
.reel__count b{color:var(--white);font-weight:400}
.reel__cta{margin-left:auto}

/* enhanced (JS) mode */
.js .reel__parts{display:flex}
.js .reel__bar{display:block}
.js .reel__btn{display:inline-flex;align-items:center;justify-content:center}
.js .reel__count{display:inline-block}
.js .reel__stage{gap:0;touch-action:pan-y}
.js .reel__card{grid-area:1 / 1;visibility:hidden;opacity:0;transition:opacity .3s var(--ease),visibility 0s .3s}
.js .reel__card.is-active{visibility:visible;opacity:1;transition:opacity .3s var(--ease)}
.js .reel__stage{grid-template-areas:none;grid-template-columns:1fr}
.js .reel__card.is-active .reel__n{animation:reel-num .9s var(--ease) both}
.js .reel__card.is-active .reel__title{animation:reel-wipe .9s var(--ease) .08s both}
.js .reel__card.is-active .reel__hook{animation:reel-rise .8s var(--ease) .32s both}
.js .reel__card.is-active .reel__line{animation:reel-rise .9s var(--ease) .5s both}
.js .reel__card.is-active .reel__meta{animation:reel-fade .6s var(--ease) both}
.reel.is-running .reel__progress{animation:reel-progress var(--reel-dur,7s) linear forwards}
.reel.is-held .reel__progress{animation-play-state:paused}
@keyframes reel-num{from{transform:translateY(40%);opacity:0}to{transform:none;opacity:1}}
@keyframes reel-wipe{from{clip-path:inset(0 0 100% 0);transform:translateY(14px)}to{clip-path:inset(0 0 0 0);transform:none}}
@keyframes reel-rise{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
@keyframes reel-fade{from{opacity:0}to{opacity:1}}
@keyframes reel-progress{from{transform:scaleX(0)}to{transform:scaleX(1)}}

/* author */
.author{display:grid;grid-template-columns:300px 1fr;gap:clamp(2rem,6vw,5rem);align-items:center;max-width:var(--max);margin:0 auto}
.author__photo{width:100%;filter:grayscale(1) contrast(1.03);border:1px solid var(--line)}
.author__cred{font-family:var(--mono);font-size:.78rem;color:var(--grey);letter-spacing:.02em;margin:.6rem 0 1.6rem}
.author__body p{color:var(--grey-2);max-width:52ch;font-size:1.05rem}

/* CTA — inverted light panel (echoes the white book cover) */
.band--cta{background:var(--paper);color:var(--ink);text-align:center;padding:20vh 6vw}
.cta__title{font-family:var(--disp);font-weight:700;font-size:clamp(2rem,5.4vw,4rem);line-height:1.05;letter-spacing:-.02em;margin:.4rem 0 2.4rem;color:var(--ink)}

/* buttons */
.actions{display:flex;gap:1rem;flex-wrap:wrap}
.actions--center{justify-content:center}
.btn{display:inline-block;padding:1rem 2.3rem;border-radius:2px;font-family:var(--mono);font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;text-decoration:none;transition:all .3s var(--ease)}
.btn--primary{background:var(--white);color:var(--ink)}
.btn--primary:hover{background:transparent;color:var(--white);box-shadow:inset 0 0 0 1px var(--line-2)}
.btn--ghost{color:var(--white);box-shadow:inset 0 0 0 1px var(--line-2)}
.btn--ghost:hover{background:var(--white);color:var(--ink)}
.btn--invert{background:var(--ink);color:var(--white)}
.btn--invert:hover{background:transparent;color:var(--ink);box-shadow:inset 0 0 0 1px rgba(0,0,0,.3)}
.btn--ghost-invert{color:var(--ink);box-shadow:inset 0 0 0 1px rgba(0,0,0,.3)}
.btn--ghost-invert:hover{background:var(--ink);color:var(--white)}

/* footer */
.foot{background:#050506;color:var(--grey);text-align:center;padding:5rem 6vw;border-top:1px solid var(--line)}
.foot__title{font-family:var(--disp);font-weight:700;font-size:1.5rem;color:var(--white);margin-bottom:.7rem;letter-spacing:-.01em}
.foot__meta{font-family:var(--mono);font-size:.76rem;letter-spacing:.04em;margin:.25rem 0}
.foot__meta--dim{color:#565654}

/* ---------- reveal (gated by .js so no-JS stays visible) ---------- */
.js .reveal{opacity:0;transform:translateY(30px)}

/* ============================================================
   MENU (fixed header, outside the smooth-scroll wrapper)
   ============================================================ */
.skip{position:fixed;left:12px;top:-60px;z-index:60;background:var(--accent);color:var(--ink);
  font-family:var(--mono);font-size:.75rem;padding:.7rem 1rem;border-radius:2px;text-decoration:none;transition:top .2s}
.skip:focus{top:12px}
.nav{position:fixed;inset:0 0 auto 0;z-index:50;height:var(--nav-h);display:flex;align-items:center;justify-content:space-between;
  gap:1.5rem;padding:0 max(6vw, calc((100vw - var(--max)) / 2));
  background:transparent;border-bottom:1px solid transparent;
  transition:background .35s var(--ease),border-color .35s var(--ease),backdrop-filter .35s var(--ease)}
.nav.is-scrolled{background:rgba(11,11,12,.78);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom-color:var(--line)}
.nav__brand{display:flex;align-items:center;gap:.7rem;text-decoration:none;color:var(--white);
  font-family:var(--disp);font-weight:700;font-size:1.02rem;letter-spacing:-.01em;min-height:44px}
.nav__brand img{width:26px;height:26px;border-radius:5px}
.nav__menu{display:flex;align-items:center;gap:clamp(1rem,2.4vw,2rem)}
.nav__menu a{position:relative;color:var(--grey-2);text-decoration:none;font-family:var(--mono);font-size:.72rem;
  letter-spacing:.12em;text-transform:uppercase;padding:.8rem 0;transition:color .25s var(--ease)}
.nav__menu a:not(.nav__buy)::after{content:"";position:absolute;left:0;right:0;bottom:.45rem;height:1px;background:var(--accent);
  transform:scaleX(0);transform-origin:left;transition:transform .35s var(--ease)}
.nav__menu a:hover{color:var(--white)}
.nav__menu a:hover::after,.nav__menu a.is-current::after{transform:scaleX(1)}
.nav__menu a.is-current{color:var(--white)}
.nav__menu .nav__buy{color:var(--ink);background:var(--accent);padding:.7rem 1.15rem;border-radius:2px;letter-spacing:.1em}
.nav__menu .nav__buy:hover{background:var(--accent-2);color:var(--ink)}
.nav__toggle{display:none;appearance:none;background:transparent;border:1px solid var(--line-2);border-radius:2px;
  width:44px;height:44px;padding:0;cursor:pointer;position:relative}
.nav__toggle span{position:absolute;left:12px;right:12px;height:1.5px;background:var(--white);transition:transform .3s var(--ease),top .3s var(--ease)}
.nav__toggle span:first-child{top:17px}
.nav__toggle span:last-child{top:25px}
.nav.is-open .nav__toggle span:first-child{top:21px;transform:rotate(45deg)}
.nav.is-open .nav__toggle span:last-child{top:21px;transform:rotate(-45deg)}
/* anchors land below the fixed menu (used when smooth scroll is off) */
section[id]{scroll-margin-top:calc(var(--nav-h) + 12px)}
.band--product{padding-top:calc(16vh + var(--nav-h))}

/* ============================================================
   ACCENT — where it carries meaning
   ============================================================ */
.h-disp--title{font-size:clamp(2.4rem,5.6vw,4.4rem);line-height:.98;letter-spacing:-.025em}
.product__by{margin:1rem 0 0;font-family:var(--mono);font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;color:var(--grey)}
.product__by strong{color:var(--accent);font-weight:400}
.product__meta li{max-width:44ch}
.band--product .eyebrow,.band--idea .eyebrow,.band--canvas .eyebrow{color:var(--accent)}
.eyebrow--invert{color:var(--accent-ink)}

/* buttons: primary fills with accent on hover; the light CTA panel gets a brass primary */
.btn--primary:hover{background:var(--accent);color:var(--ink);box-shadow:none}
.btn--ghost:hover{background:transparent;color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent)}
.btn--invert:hover{background:var(--accent-ink);color:var(--paper);box-shadow:none}
.product__look a:hover{color:var(--accent);border-color:var(--accent)}

/* verification idea */
.band--idea .ticks li{border-left-color:var(--accent)}
.band--idea .ticks li span{color:var(--accent)}

/* stack diagram: the signal and the review hub are brass */
.diagram .pulse{fill:var(--accent);filter:drop-shadow(0 0 7px rgba(211,165,74,.85))}
.diagram .node--hub .ring{stroke:var(--accent)}
.diagram .node--hub .dot{fill:var(--accent)}
.diagram .node--hub .nlabel{fill:var(--accent)}
.stack__row:last-child .stack__name,.stack__row:last-child .stack__n{color:var(--accent)}

/* canvas: verification method is the key question */
.canvas li.canvas__key{background:var(--ink-3);box-shadow:inset 0 2px 0 var(--accent)}
.canvas li.canvas__key .canvas__n{color:var(--accent)}

/* look inside */
.reel__progress{background:var(--accent)}
.reel__part[aria-pressed="true"]{background:var(--accent);border-color:var(--accent);color:var(--ink)}
.js .reel__card.is-active .reel__n{-webkit-text-stroke-color:var(--accent)}
.reel__line{border-left-color:var(--accent)}
.inside__quotes blockquote{border-left-color:var(--accent)}
.toc li > span:first-child{color:var(--accent)}
.reel__btn:hover{background:var(--accent);border-color:var(--accent);color:var(--ink)}

/* author credentials */
.author__cred{color:var(--accent)}

/* ============================================================
   SPACING — one vertical rhythm instead of a flat 16vh everywhere
   ============================================================ */
:root{--band-y:clamp(4.5rem,10vh,7.5rem);--band-join:clamp(2.75rem,5.5vh,4rem)}
.band{padding-top:var(--band-y);padding-bottom:var(--band-y)}
.band--product{padding-top:calc(var(--band-y) + var(--nav-h));padding-bottom:var(--band-y)}
/* sections that share a background read as one chapter: half the gap and a hairline */
.band--split,.band--canvas,.band--inside{padding-bottom:var(--band-join)}
.band--idea,.band--playbook,.band--local{padding-top:var(--band-join)}
.band--idea > .split,.band--playbook > .reveal:first-child,.band--local > .split{border-top:1px solid var(--line);padding-top:var(--band-join)}
.band--local{border-top:0}
.band--cta{padding:clamp(5rem,12vh,8rem) 6vw}
.foot{padding:3.5rem 6vw}
/* headings to their content: consistent */
.diagramwrap{margin-top:3rem}
.canvas,.steps{margin-top:3rem}
.inside{margin-top:3rem}
.reel{margin-top:2.6rem}
/* split heads: let a 3-line heading breathe without a dead right column */
.split{grid-template-columns:1.25fr .75fr;align-items:end}
.ticks li{padding-top:.15rem;padding-bottom:.15rem}
/* the verification statement runs full width; its three points sit in a row beneath */
.band--idea .split{grid-template-columns:1fr;gap:2.4rem;align-items:start}
.band--idea .ticks{flex-direction:row;flex-wrap:wrap;gap:1rem clamp(1.5rem,4vw,3.5rem)}
.band--idea .ticks li{font-size:clamp(1.1rem,1.9vw,1.55rem)}
.band--idea .h-disp--xl{font-size:clamp(2.6rem,7.4vw,6rem)}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media(max-width:860px){
  .phero{padding:13vh 6vw 8vh;min-height:auto}
  .phero__inner{grid-template-columns:1fr;gap:2.4rem;justify-items:center;text-align:center}
  .phero__book{max-width:250px}
  .phero .product__meta li{margin-left:auto;margin-right:auto}
  .phero .actions{justify-content:center}
  .phero__hint{display:none}
  .scenes{left:5vw;right:5vw;bottom:6vh;gap:.45rem}
  .scene{font-size:.62rem;padding:.5rem .7rem}
  .split{grid-template-columns:1fr;gap:2.2rem}
  .product{grid-template-columns:1fr;gap:2.4rem;justify-items:center;text-align:center}
  .product__shot{max-width:300px}
  .product__meta li{margin-left:auto;margin-right:auto}
  .product .actions{justify-content:center}
  .stack__row{grid-template-columns:auto 1fr;row-gap:.4rem}
  .stack__desc{grid-column:1 / -1}
  .steps{grid-template-columns:repeat(2,1fr)}
  .canvas{grid-template-columns:repeat(2,1fr)}
  .inside{grid-template-columns:1fr;gap:2.6rem}
  .reel__card{grid-template-columns:1fr}
  .reel__n,.reel__meta,.reel__title,.reel__hook,.reel__line{grid-column:1}
  .reel__n{grid-row:auto;font-size:clamp(3.6rem,18vw,5rem);margin-bottom:.6rem}
  .reel__part{flex:1 1 calc(33% - .45rem);padding:0 .4rem}
  .reel__cta{margin-left:0;flex:1 1 100%;text-align:center}
  .canvas li:nth-last-child(-n+2){grid-column:auto}
  .author{grid-template-columns:1fr;gap:1.6rem;text-align:center}
  .author__photo{width:200px;margin:0 auto}
  .hero{height:360vh}
}
@media(max-width:480px){ .steps{grid-template-columns:1fr} .canvas{grid-template-columns:1fr} }

/* phones: compact lists instead of tall single-column cards */
@media(max-width:560px){
  .canvas{grid-template-columns:1fr}
  .canvas li,.canvas li:nth-last-child(-n+2){grid-column:auto;display:grid;grid-template-columns:2.2rem 1fr;column-gap:.6rem;padding:1.15rem 1.1rem}
  .canvas__n{grid-row:1 / span 2;margin:0;padding-top:.2rem}
  .canvas h3{margin-bottom:.3rem;font-size:1.05rem}
  .canvas p{font-size:.88rem;line-height:1.5}
  .steps{grid-template-columns:1fr 1fr}
  .steps li{padding:1.3rem 1.1rem}
  .steps li:last-child{grid-column:1 / -1}
  .steps__n{margin-bottom:.8rem}
  .stack__row{padding:1.2rem 0}
}

/* menu collapses to a panel below 900px */
@media(max-width:900px){
  .nav__toggle{display:block}
  .nav__menu{position:fixed;top:var(--nav-h);left:0;right:0;flex-direction:column;align-items:stretch;gap:0;
    padding:1rem 6vw 1.6rem;background:rgba(11,11,12,.97);border-bottom:1px solid var(--line);
    opacity:0;visibility:hidden;transform:translateY(-8px);
    transition:opacity .25s var(--ease),transform .25s var(--ease),visibility 0s .25s}
  .nav.is-open .nav__menu{opacity:1;visibility:visible;transform:none;transition:opacity .25s var(--ease),transform .25s var(--ease)}
  .nav.is-open{background:rgba(11,11,12,.97);border-bottom-color:var(--line)}
  .nav__menu a{font-size:.82rem;padding:1rem 0;border-bottom:1px solid var(--line);min-height:44px}
  .nav__menu a:not(.nav__buy)::after{display:none}
  .nav__menu .nav__buy{margin-top:1.2rem;text-align:center;border-bottom:0;padding:1rem}
  .product__by{text-align:center}
}
@media(prefers-reduced-motion:reduce){
  .nav,.nav__menu,.nav__toggle span{transition:none}
}

/* ---------- reduced motion: no scrub / no smoother ---------- */
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .hero{height:100vh}
  .js .reveal{opacity:1;transform:none}
  .hero__cue span::after{animation:none}
  .cap{display:none}
  .js .reel__card.is-active *{animation:none !important}
  .js .reel__card{transition:none}
}

/* ============================================================
   HERO FITS ONE SCREEN — everything above the fold, sized from
   the window height (svh) as well as its width.
   ============================================================ */
.band--product{
  min-height:100vh;min-height:100svh;height:100svh;box-sizing:border-box;
  display:flex;align-items:center;
  padding:calc(var(--nav-h) + 2.5svh) 6vw 3svh;
}
.band--product > .product{width:100%;max-width:var(--max);margin:0 auto;align-items:center;
  grid-template-columns:auto 1fr;gap:clamp(2rem,6vw,5.5rem)}
.band--product .product__shot{display:flex;justify-content:center}
.band--product .bk-host{--bk-width:clamp(150px, min(24vw, calc((100svh - var(--nav-h) - 9svh) * .6)), 300px)}
.band--product .eyebrow{margin-bottom:min(1.4rem,1.8svh)}
.band--product .h-disp--title{font-size:clamp(2rem, min(5.4vw, 8.4svh), 4.4rem)}
.band--product .deck{font-size:clamp(1rem, min(1.6vw, 2.9svh), 1.3rem);margin-top:min(1.2rem,1.8svh);max-width:40ch}
.band--product .product__by{margin-top:min(1rem,1.5svh)}
.band--product .product__meta{display:grid;grid-template-columns:repeat(2,minmax(0,max-content));column-gap:2rem;
  margin:min(1.6rem,2.4svh) 0 min(1.8rem,2.8svh)}
.band--product .product__meta li{max-width:none;padding:min(.4rem,.7svh) 0;font-size:.76rem;border-top:1px solid var(--line);border-bottom:0}
.band--product .product__meta li:nth-last-child(-n+2){border-bottom:1px solid var(--line)}
.band--product .actions .btn{padding:min(1rem,1.8svh) 2rem}
.band--product .product__look{margin-top:min(1.2rem,1.8svh)}
.band--product .product__look a{line-height:2}

/* phones: cover above, everything still on one screen */
@media(max-width:860px){
  .band--product{padding:calc(var(--nav-h) + 1.5svh) 5vw 2svh}
  .band--product > .product{grid-template-columns:1fr;gap:2svh;justify-items:center;text-align:center}
  .band--product .bk-host{--bk-width:clamp(96px, calc(26svh / 1.5), 170px)}
  .band--product .h-disp--title{font-size:clamp(1.8rem, min(9vw, 5.6svh), 2.8rem)}
  .band--product .deck{font-size:clamp(.95rem, 2.2svh, 1.1rem);margin-left:auto;margin-right:auto}
  .band--product .product__meta{grid-template-columns:1fr;justify-items:center;margin:1.6svh auto 2svh}
  .band--product .product__meta li{font-size:.72rem;padding:.5svh 0}
  .band--product .product__meta li:nth-last-child(-n+2){border-bottom:0}
  .band--product .product__meta li:last-child{border-bottom:1px solid var(--line)}
  .band--product .actions{flex-direction:column;align-items:stretch;gap:1.1svh;width:min(100%,340px);margin:0 auto}
  .band--product .actions .btn{padding:min(.95rem,1.7svh) 1rem;text-align:center;min-height:44px;display:flex;align-items:center;justify-content:center}
  .band--product .product__look{margin-top:1.2svh}
}
/* short phones: drop the publisher row (it is repeated in the footer) */
@media(max-width:860px) and (max-height:720px){
  .band--product .product__meta li:nth-child(3){display:none}
}
/* very short desktop windows */
@media(min-width:861px) and (max-height:620px){
  .band--product .deck{max-width:46ch}
  .band--product .product__by{display:none}
}
/* SplitText stamps the load-time text-align on each line; always follow the live layout instead */
.sl-line{text-align:inherit !important}
/* phones: the short form of the look-inside link stays on one line */
@media(max-width:560px){ .product__look-more{display:none} }
/* short phones: a smaller cover leaves room for every line */
@media(max-width:860px) and (max-height:720px){
  .band--product .bk-host{--bk-width:clamp(90px, calc(21svh / 1.5), 150px)}
  .band--product > .product{gap:1.4svh}
}
/* large screens: let the cover and title use the height they have */
@media(min-width:1500px) and (min-height:900px){
  .band--product .bk-host{--bk-width:clamp(300px, calc((100svh - var(--nav-h) - 12svh) * .6), 380px)}
  .band--product .h-disp--title{font-size:clamp(4.4rem, 7svh, 5.4rem)}
  .band--product .deck{font-size:clamp(1.3rem, 2.2svh, 1.5rem)}
}