/* Moon Ads — shared page system (inherited from the approved homepage) */
:root{
  --ink:#0a0a0a;
  --bg:#0c0c0c;
  --paper:#f2f0eb;
  --grey:#8f8c85;
  --line:rgba(242,240,235,.14);
  --stroke:rgba(242,240,235,.55);
  --sans:'Montserrat', -apple-system, sans-serif;
  --hand:'Caveat', cursive;
  --gutter:clamp(24px, 6vw, 96px);
  --ease:cubic-bezier(.19,1,.22,1);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:auto}
html.lenis, html.lenis body{height:auto}
.lenis.lenis-smooth{scroll-behavior:auto!important}
body{
  background:var(--bg);color:var(--paper);
  font-family:var(--sans);font-weight:300;font-size:16px;line-height:1.6;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
::selection{background:var(--paper);color:var(--ink)}
a{color:inherit;text-decoration:none;cursor:pointer}
button{cursor:pointer;font-family:inherit}
img,svg{max-width:100%;display:block}

/* ambient layers */
.grid-lines{position:fixed;inset:0;z-index:0;pointer-events:none;display:flex;justify-content:space-evenly}
.grid-lines i{width:1px;background:rgba(242,240,235,.045)}
.grain{position:fixed;inset:-50%;z-index:96;pointer-events:none;opacity:.05;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.6'/%3E%3C/svg%3E");
  animation:grain 9s steps(6) infinite}
@keyframes grain{
  0%,100%{transform:translate(0,0)}
  20%{transform:translate(-6%,4%)}
  40%{transform:translate(4%,-6%)}
  60%{transform:translate(-3%,-4%)}
  80%{transform:translate(5%,5%)}
}
main{position:relative;z-index:1}
main > section{position:relative}

/* spine */
#spine{position:absolute;top:0;bottom:0;left:var(--gutter);width:1px;z-index:2;pointer-events:none;mix-blend-mode:difference}
#spine .track{position:absolute;inset:0;background:#fff;opacity:.08}
#spine .fill{position:absolute;inset:0;background:#fff;opacity:.35;transform:scaleY(0);transform-origin:top}

/* conduits */
.conduit{position:absolute;left:var(--gutter);height:1px;pointer-events:none;z-index:2;mix-blend-mode:difference}
.conduit i{position:absolute;inset:0;background:#fff;opacity:.2;transform:scaleX(0);transform-origin:left}
.conduit b{position:absolute;right:-3px;top:-3px;width:7px;height:7px;border-radius:50%;background:#fff;opacity:0}

/* ghost numerals */
.ghost{
  position:absolute;top:clamp(24px,5vh,60px);right:calc(var(--gutter) * .4);
  font-weight:200;line-height:1;font-size:clamp(110px,16vw,240px);
  color:transparent;-webkit-text-stroke:1px rgba(242,240,235,.06);
  pointer-events:none;user-select:none;z-index:0;
}

/* progress moon */
#moon-progress{
  position:fixed;right:clamp(20px,3vw,40px);bottom:clamp(20px,3vw,40px);
  width:44px;height:44px;z-index:90;pointer-events:none;mix-blend-mode:difference;
}
#moon-progress circle{stroke:#fff;fill:none;stroke-width:1}
#moon-progress .track{opacity:.25}
#moon-progress .fill{stroke-dasharray:113;stroke-dashoffset:113;transform:rotate(-90deg);transform-origin:center}

/* header + menu */
header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  display:flex;justify-content:space-between;align-items:center;
  padding:clamp(20px,3vw,36px) var(--gutter);
  mix-blend-mode:difference;color:#fff;
}
.wordmark{font-size:18px;letter-spacing:.02em;font-weight:500}
.wordmark i{font-style:italic;font-weight:300}
#menu-btn{
  background:none;border:none;color:#fff;
  font-size:11px;letter-spacing:.22em;text-transform:uppercase;font-weight:400;
  padding:8px 0;position:relative;
}
#menu-btn::after{content:"";position:absolute;left:0;bottom:2px;height:1px;width:100%;background:#fff;transform:scaleX(0);transform-origin:right;transition:transform .5s var(--ease)}
#menu-btn:hover::after{transform:scaleX(1);transform-origin:left}
#menu-btn:focus-visible, a:focus-visible, button:focus-visible{outline:2px solid currentColor;outline-offset:4px}
#menu{
  position:fixed;inset:0;z-index:97;background:#111110;color:var(--paper);
  display:flex;flex-direction:column;justify-content:center;
  padding:0 var(--gutter);clip-path:inset(0 0 100% 0);visibility:hidden;
}
#menu nav{display:flex;flex-direction:column;gap:clamp(2px,1vh,10px)}
#menu nav a{
  font-weight:200;font-size:clamp(28px,5.4vh,54px);line-height:1.2;
  width:fit-content;position:relative;display:flex;align-items:baseline;gap:1.2em;
  opacity:.55;transition:opacity .4s var(--ease), letter-spacing .6s var(--ease);
}
#menu nav a:hover, #menu nav a[aria-current="page"]{opacity:1;letter-spacing:.02em}
#menu nav a .n{font-size:11px;letter-spacing:.2em;opacity:.5;font-weight:400}
#menu .menu-foot{position:absolute;bottom:clamp(24px,4vh,48px);left:var(--gutter);right:var(--gutter);display:flex;justify-content:space-between;font-size:12px;letter-spacing:.14em;text-transform:uppercase;opacity:.5}

/* layout primitives */
.chapter{padding:0 var(--gutter)}
.meta{
  font-size:11px;letter-spacing:.24em;text-transform:uppercase;font-weight:400;
  color:var(--grey);display:flex;align-items:center;gap:16px;position:relative;
}
.meta::before{content:"";display:block;width:40px;height:1px;background:var(--paper);opacity:.4}
.meta::after{
  content:"";position:absolute;left:-4px;top:50%;transform:translateY(-50%);
  width:7px;height:7px;border:1px solid currentColor;border-radius:50%;
  background:transparent;transition:background .6s var(--ease);
}
.meta.lit::after{background:currentColor}

/* figure captions + annotations */
.figcap{font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--grey);margin-top:20px;display:flex;gap:12px;align-items:baseline}
.figcap b{font-weight:500;color:var(--paper);opacity:.7;white-space:nowrap}
.note{
  font-family:var(--hand);font-size:clamp(18px,1.6vw,22px);color:var(--grey);
  line-height:1.2;transform:rotate(-3deg);display:inline-block;
}
.scribble{stroke:var(--grey);fill:none;stroke-width:1.2;stroke-linecap:round;stroke-dasharray:3 5}
.paper-note{
  border:1px solid var(--line);padding:18px 22px;max-width:230px;
  transform:rotate(-2.4deg);background:rgba(242,240,235,.03);
  font-family:var(--hand);font-size:21px;color:var(--paper);line-height:1.25;
}
.paper-note small{display:block;font-family:var(--sans);font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--grey);margin-bottom:8px}

/* split reveal masks */
.split .line{overflow:hidden}
.split .line-inner{display:block;will-change:transform}

/* object svg language */
.obj{width:100%;height:auto}
.obj [data-draw]{stroke:var(--stroke);fill:none;stroke-width:1.1;stroke-linecap:round;stroke-linejoin:round}
.obj .soft{stroke:rgba(242,240,235,.22)}
.obj .dashed{stroke-dasharray:3 6}
.obj text{font-family:var(--sans);fill:var(--grey);letter-spacing:.28em;font-size:10px;text-transform:uppercase}
.obj .dot{fill:var(--paper);stroke:none}
.obj .draw-style{stroke:var(--stroke);fill:none;stroke-width:1.1;stroke-linecap:round;stroke-linejoin:round}

/* ---------- page head (every chapter opens the same way) ---------- */
.page-head{min-height:72svh;display:grid;grid-template-columns:1.15fr .85fr;align-items:center;gap:clamp(32px,5vw,90px);padding-top:clamp(110px,16vh,170px);padding-bottom:clamp(50px,8vh,100px)}
.page-head h1{font-weight:200;font-size:clamp(30px,4vw,58px);line-height:1.18;letter-spacing:-0.01em;max-width:14em;margin-top:28px}
.page-head h1 em{font-style:italic;font-weight:300}
.page-head .lede{max-width:380px;font-size:13.5px;line-height:1.75;color:var(--grey);margin-top:clamp(24px,4vh,40px)}
.page-head .head-obj{position:relative;max-width:380px;justify-self:end;width:100%}

/* ---------- prose (long-form reading) ---------- */
.prose{max-width:640px}
.prose p{color:var(--grey);font-size:15.5px;line-height:1.9;margin-bottom:1.5em}
.prose p strong{color:var(--paper);font-weight:400}
.prose h3{font-weight:300;font-size:clamp(18px,1.8vw,26px);line-height:1.4;color:var(--paper);margin:2.2em 0 .9em}

/* ---------- pull quote ---------- */
.pullquote{
  margin:clamp(56px,9vh,110px) auto;max-width:800px;
  font-weight:200;font-style:italic;font-size:clamp(21px,2.4vw,34px);line-height:1.5;
  text-align:center;position:relative;padding:0 clamp(12px,3vw,40px);
}
.pullquote::before,.pullquote::after{content:"";position:absolute;left:50%;transform:translateX(-50%);width:56px;height:1px;background:var(--paper);opacity:.4}
.pullquote::before{top:-28px}
.pullquote::after{bottom:-28px}

/* ---------- editorial rows (evidence, files, questions) ---------- */
.row-item{
  display:grid;grid-template-columns:56px 1fr;gap:clamp(16px,2.5vw,40px);
  padding:clamp(24px,4vh,44px) 0;border-top:1px solid var(--line);align-items:baseline;
}
.row-item:last-child{border-bottom:1px solid var(--line)}
.row-item .idx{font-size:11px;letter-spacing:.2em;color:var(--grey)}
.row-item h3{font-weight:300;font-size:clamp(18px,1.75vw,26px);line-height:1.35;margin-bottom:10px}
.row-item p{max-width:52ch;color:var(--grey);font-size:14.5px}

/* ---------- investigation steps (detective spine) ---------- */
.inv-step{
  display:grid;grid-template-columns:120px 1fr;gap:clamp(20px,3vw,56px);
  padding:clamp(26px,4vh,46px) 0;border-top:1px solid var(--line);align-items:baseline;
}
.inv-step:last-of-type{border-bottom:1px solid var(--line)}
.inv-step .stage{font-size:10.5px;letter-spacing:.22em;text-transform:uppercase;color:var(--grey)}
.inv-step p{max-width:58ch;color:var(--grey);font-size:14.5px}
.inv-step p b{color:var(--paper);font-weight:400}

/* ---------- two-column argument (why it exists / if you skip it) ---------- */
.argument{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,4vw,72px);max-width:900px}
.argument h4{font-size:10.5px;letter-spacing:.22em;text-transform:uppercase;font-weight:500;margin-bottom:12px}
.argument p{font-size:14.5px;color:var(--grey);max-width:44ch}

/* ---------- broken → solid principle rule ---------- */
.principle{padding:clamp(18px,3vh,30px) 0;display:grid;grid-template-columns:56px 1fr;gap:clamp(16px,2.5vw,40px);align-items:baseline;position:relative}
.principle .p-rule{position:absolute;top:0;left:0;right:0;height:1px}
.principle .p-rule i{position:absolute;inset:0;border-top:1px dashed rgba(242,240,235,.25)}
.principle .p-rule b{position:absolute;inset:0;background:var(--paper);opacity:.55;transform:scaleX(0);transform-origin:left}
.principle:last-child::after{content:"";position:absolute;left:0;right:0;bottom:0;border-bottom:1px dashed rgba(242,240,235,.25)}
.principle .idx{font-size:11px;letter-spacing:.2em;color:var(--grey)}
.principle p{font-weight:300;font-size:clamp(16px,1.6vw,22px);line-height:1.5}

/* ---------- essay index rows ---------- */
.essay{border-top:1px solid var(--line);display:grid;grid-template-columns:1fr auto;gap:20px;align-items:baseline;padding:clamp(20px,3vh,32px) 0;transition:opacity .35s var(--ease),padding-left .4s var(--ease)}
.essay:last-child{border-bottom:1px solid var(--line)}
.essays:hover .essay{opacity:.35}
.essays:hover .essay:hover{opacity:1;padding-left:10px}
.essay h3{font-weight:300;font-size:clamp(16px,1.65vw,23px);line-height:1.45;max-width:24em}
.essay .abstract{color:var(--grey);font-size:13.5px;max-width:52ch;margin-top:8px}
.essay .date{font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--grey);white-space:nowrap}

/* ---------- figures & stats ---------- */
.figures{display:flex;gap:clamp(28px,4vw,64px);margin-top:clamp(26px,4.5vh,48px)}
.figures .fig b{display:block;font-weight:300;font-size:clamp(26px,2.8vw,42px);line-height:1;letter-spacing:-0.01em;font-variant-numeric:tabular-nums}
.figures .fig span{font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--grey);display:block;margin-top:10px}

/* ---------- sticky object column layouts ---------- */
.split-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(32px,6vw,110px);align-items:start}
.split-grid.obj-left{grid-template-columns:.9fr 1.1fr}
.side-obj{position:sticky;top:20vh;max-width:380px}
.side-obj.center{justify-self:center}

/* ---------- next chapter (the book keeps going) ---------- */
.next-chapter{padding-top:clamp(90px,14vh,180px);padding-bottom:clamp(90px,14vh,160px)}
.next-chapter a{display:block;max-width:none}
.prev-link{
  display:inline-block;margin-bottom:clamp(22px,3.5vh,36px);
  font-size:11px;letter-spacing:.22em;text-transform:uppercase;font-weight:400;color:var(--grey);
  transition:color .4s var(--ease);max-width:none;
}
.prev-link:hover{color:var(--paper)}
.next-chapter h2{font-weight:200;font-size:clamp(26px,3.4vw,50px);line-height:1.2;margin-top:24px;max-width:16em;transition:letter-spacing .6s var(--ease)}
.next-chapter a:hover h2{letter-spacing:.015em}
.next-chapter h2 em{font-style:italic;font-weight:300}
.next-chapter .arrow{display:inline-block;margin-left:.4em;transition:transform .5s var(--ease)}
.next-chapter a:hover .arrow{transform:translateX(10px)}

/* ---------- section rhythm ---------- */
.section-pad{padding-top:clamp(80px,12vh,150px);padding-bottom:clamp(80px,12vh,150px)}
.head-block{margin-bottom:clamp(44px,7vh,90px);max-width:560px}
.head-block h2{font-weight:200;font-size:clamp(24px,2.6vw,40px);line-height:1.3;margin-top:24px}
.head-block h2 em{font-style:italic;font-weight:300}

/* footer */
footer{background:transparent;color:rgba(242,240,235,.45);padding:clamp(28px,4vh,44px) var(--gutter);display:flex;justify-content:space-between;gap:24px;font-size:12px;letter-spacing:.12em;text-transform:uppercase;border-top:1px solid rgba(242,240,235,.12);position:relative;z-index:1}
footer a{transition:color .3s}
footer a:hover{color:var(--paper)}

/* responsive */
@media (max-width:820px){
  .page-head{grid-template-columns:1fr;min-height:auto}
  .page-head .head-obj{max-width:240px;justify-self:start;order:-1}
  .split-grid,.split-grid.obj-left{grid-template-columns:1fr}
  .side-obj{position:relative;top:0;max-width:260px;order:-1}
  .argument{grid-template-columns:1fr}
  .row-item,.principle{grid-template-columns:1fr;gap:10px}
  .inv-step{grid-template-columns:1fr;gap:8px}
  #spine{display:none}
  .meta::after{display:none}
  .conduit{display:none}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .split .line-inner{transform:none!important}
  .principle .p-rule b{transform:scaleX(1)}
}