/* ============================================================
   portfolio.iamkesava.com — sibling to codex.iamkesava.com
   tokens: codex-design-system.html
   ============================================================ */

:root{
  /* Surfaces (warm paper, subtle green undertone) */
  --paper:#f3f5ee;
  --paper-2:#e6ebe0;
  --paper-3:#d8dfd1;

  /* Ink */
  --ink:#0d1410;
  --ink-2:#2a3530;
  --muted:#5a6757;

  /* Lines */
  --line:#0d141022;
  --line-2:#0d141012;

  /* Accent — phosphor green */
  --accent:#1f9d55;
  --accent-2:#15803d;
  --accent-soft:#1f9d5520;

  /* Tiers (insight quality grading) */
  --tier-a:#1f9d55;
  --tier-b:#5d738f;
  --tier-c:#9c9082;

  /* Type */
  --serif:'Newsreader','Iowan Old Style',Georgia,serif;
  --sans:'Inter','Helvetica Neue',Arial,sans-serif;
  --mono:'JetBrains Mono','SF Mono',ui-monospace,Menlo,monospace;

  /* Scale */
  --measure:64ch;
  --gutter:clamp(20px,4vw,48px);
  --section-y:clamp(72px,10vw,144px);
  --radius:6px;

  /* Motion */
  --ease-out:cubic-bezier(0.16,1,0.3,1);
  --ease-ui:cubic-bezier(0.4,0,0.2,1);
}

:root[data-theme="dark"]{
  --paper:#0a0e0a; --paper-2:#121712; --paper-3:#1c241d;
  --ink:#d6e8d8; --ink-2:#a8c2ad; --muted:#6c8773;
  --line:#39ff1422; --line-2:#39ff1410;
  --accent:#39ff14; --accent-2:#5fea7a; --accent-soft:#39ff1420;
  --tier-a:#39ff14;
}

/* ============================================================
   reset + base
   ============================================================ */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  background:var(--paper);
  color:var(--ink);
  font-family:var(--sans);
  font-size:17px;
  line-height:1.6;
  font-feature-settings:"ss01","cv11";
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  transition:background 320ms var(--ease-out),color 320ms var(--ease-out);
}
img,svg,canvas{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
a{color:inherit;text-decoration:none}
::selection{background:var(--accent-soft);color:var(--ink)}

/* ============================================================
   typography
   ============================================================ */
.eyebrow{
  font-family:var(--mono);
  font-size:11px;
  font-weight:500;
  letter-spacing:0.06em;
  color:var(--muted);
}
.path{
  font-family:var(--mono);
  font-size:11px;
  color:var(--muted);
  letter-spacing:-0.01em;
}
.path a:hover{color:var(--ink-2);text-decoration:underline;text-decoration-color:var(--line)}

h1,h2,h3{font-family:var(--serif);font-weight:400;color:var(--ink);letter-spacing:-0.02em;line-height:1.04}
h1{font-size:clamp(44px,7vw,96px)}
h2{font-size:clamp(36px,5.5vw,72px)}
h3{font-size:clamp(24px,3vw,36px)}
h1 em,h2 em{font-style:italic;color:var(--accent-2)}

p{max-width:var(--measure)}
.lede{font-family:var(--serif);font-size:clamp(20px,2.2vw,28px);line-height:1.4;color:var(--ink-2)}

/* ============================================================
   layout primitives
   ============================================================ */
.shell{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 var(--gutter);
}
section{padding:var(--section-y) 0;position:relative}
section + section{border-top:1px solid var(--line-2)}

.rule{
  display:flex;
  align-items:center;
  gap:14px;
  font-family:var(--mono);
  font-size:11px;
  color:var(--muted);
  margin-bottom:48px;
}
.rule::before{
  content:"";
  width:24px;
  height:1px;
  background:var(--ink);
  opacity:0.4;
}

/* ============================================================
   header / nav
   ============================================================ */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:50;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:18px var(--gutter);
  background:color-mix(in oklab,var(--paper) 85%,transparent);
  backdrop-filter:saturate(140%) blur(10px);
  -webkit-backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color 200ms var(--ease-ui);
}
.site-header.is-scrolled{border-bottom-color:var(--line-2)}

.brand{display:flex;align-items:center;gap:10px;font-family:var(--mono);font-size:12px;font-weight:500;letter-spacing:-0.01em}
.brand .dot{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 12px var(--accent-soft)}
.brand b{font-weight:600}

.nav{display:flex;align-items:center;gap:28px}
.nav a{font-family:var(--mono);font-size:12px;color:var(--muted);transition:color 160ms var(--ease-ui)}
.nav a:hover{color:var(--ink)}

.theme-toggle{
  font-family:var(--mono);
  font-size:11px;
  color:var(--muted);
  padding:6px 10px;
  border:1px solid var(--line);
  border-radius:var(--radius);
  display:inline-flex;align-items:center;gap:8px;
  transition:color 160ms var(--ease-ui),border-color 160ms var(--ease-ui);
}
.theme-toggle:hover{color:var(--ink);border-color:var(--ink-2)}
.theme-toggle .swatch{width:8px;height:8px;border-radius:50%;background:var(--accent)}

@media (max-width:760px){
  .nav{display:none}
}

/* ============================================================
   scene 1 — hero
   ============================================================ */
.hero{
  min-height:100vh;
  display:grid;
  grid-template-columns:1fr 1fr;
  align-items:center;
  gap:48px;
  padding-top:120px;
  padding-bottom:80px;
  position:relative;
}
.hero-copy{position:relative;z-index:2}
.hero-eyebrow{margin-bottom:32px}
.hero h1{margin-bottom:32px;text-wrap:balance}
.hero-meta{
  display:flex;flex-direction:column;gap:6px;
  font-family:var(--mono);font-size:12px;color:var(--muted);
  margin-bottom:48px;
}
.hero-meta .name{color:var(--ink);font-weight:500}
.hero-stage{
  position:relative;
  height:min(78vh,720px);
  border:1px solid var(--line-2);
  border-radius:var(--radius);
  background:linear-gradient(180deg,var(--paper-2) 0%,var(--paper) 100%);
  overflow:hidden;
}
:root[data-theme="dark"] .hero-stage{
  background:linear-gradient(180deg,var(--paper-2) 0%,var(--paper-3) 100%);
}
.hero-stage canvas{position:absolute;inset:0;width:100%!important;height:100%!important}
.hero-stage-fallback{
  position:absolute;inset:0;
  display:none;
  align-items:center;justify-content:center;
  flex-direction:column;gap:16px;
  font-family:var(--mono);font-size:11px;color:var(--muted);
}
.hero-stage-fallback ol{list-style:none;display:flex;flex-direction:column;gap:6px;text-align:right}
.hero-stage-fallback li{padding:6px 14px;background:var(--paper-3);border-radius:3px;color:var(--ink-2);min-width:160px}
.hero-stage-fallback li.accent{color:var(--accent-2);background:var(--accent-soft);border:1px solid var(--accent-soft)}

.scroll-cue{
  position:absolute;
  bottom:32px;right:var(--gutter);
  font-family:var(--mono);font-size:11px;color:var(--muted);
  display:flex;align-items:center;gap:8px;
  opacity:0;animation:fadeIn 800ms var(--ease-out) 1600ms forwards;
}
.scroll-cue::after{
  content:"";width:1px;height:18px;background:var(--ink);opacity:0.4;
  animation:scrollPulse 2.4s var(--ease-out) infinite;
}
@keyframes scrollPulse{0%{transform:scaleY(0.2);transform-origin:top}50%{transform:scaleY(1)}100%{transform:scaleY(0.2);transform-origin:bottom}}
@keyframes fadeIn{to{opacity:1}}

@media (max-width:900px){
  .hero{grid-template-columns:1fr;padding-top:96px}
  .hero-stage{height:60vh;order:-1}
}

/* ============================================================
   scene 2 — the system
   ============================================================ */
.system-counts{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:1px;
  background:var(--line-2);
  border:1px solid var(--line-2);
  border-radius:var(--radius);
  margin-bottom:48px;
  overflow:hidden;
}
.count-tile{
  background:var(--paper);
  padding:24px 20px;
  display:flex;flex-direction:column;gap:8px;
}
.count-tile .num{
  font-family:var(--serif);
  font-size:clamp(40px,4.5vw,64px);
  line-height:1;
  color:var(--ink);
  font-feature-settings:"tnum","lnum";
  letter-spacing:-0.03em;
}
.count-tile .label{font-family:var(--mono);font-size:11px;color:var(--muted)}

.system-stage{
  position:relative;
  height:min(72vh,680px);
  border:1px solid var(--line-2);
  border-radius:var(--radius);
  background:radial-gradient(ellipse at center,var(--paper-2) 0%,var(--paper) 80%);
  overflow:hidden;
  margin-bottom:32px;
}
:root[data-theme="dark"] .system-stage{
  background:radial-gradient(ellipse at center,var(--paper-3) 0%,var(--paper) 80%);
}
.system-stage canvas{position:absolute;inset:0}
.system-inspector{
  position:absolute;
  bottom:24px;left:24px;
  width:min(360px,calc(100% - 48px));
  background:color-mix(in oklab,var(--paper) 92%,transparent);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:16px 18px;
  font-family:var(--mono);
  font-size:12px;
  pointer-events:none;
  transition:opacity 280ms var(--ease-ui);
}
.system-inspector .layer{color:var(--accent-2);font-weight:500;margin-bottom:6px}
.system-inspector .desc{color:var(--ink-2);line-height:1.5;margin-bottom:8px}
.system-inspector .src{color:var(--muted);font-size:10px}
.system-controls{
  position:absolute;
  top:16px;right:16px;
  display:flex;gap:6px;
  font-family:var(--mono);font-size:10px;
}
.system-controls button{
  padding:6px 10px;
  border:1px solid var(--line);
  border-radius:3px;
  color:var(--muted);
  background:color-mix(in oklab,var(--paper) 80%,transparent);
  transition:all 160ms var(--ease-ui);
}
.system-controls button:hover,.system-controls button.is-active{color:var(--ink);border-color:var(--ink-2)}

.system-foot{
  display:flex;
  justify-content:space-between;
  align-items:flex-start;
  gap:32px;
  flex-wrap:wrap;
}
.system-foot p{font-family:var(--mono);font-size:13px;color:var(--ink-2);max-width:60ch}

@media (max-width:760px){
  .system-counts{grid-template-columns:repeat(2,1fr)}
  .system-stage{height:60vh}
  .system-controls{display:none}
}

/* ============================================================
   scene 3 — the arc
   ============================================================ */
.arc{padding-top:calc(var(--section-y) * 0.6)}
.arc-ribbon{
  display:grid;
  grid-template-columns:repeat(6,1fr);
  gap:1px;
  background:var(--line-2);
  border:1px solid var(--line-2);
  border-radius:var(--radius);
  overflow:hidden;
  margin-bottom:64px;
  font-family:var(--mono);
  font-size:11px;
}
.arc-segment{
  background:var(--paper);
  padding:14px 12px;
  text-align:center;
  color:var(--muted);
  transition:background 320ms var(--ease-ui),color 320ms var(--ease-ui);
}
.arc-segment.is-past{color:var(--ink-2)}
.arc-segment.is-active{background:var(--accent);color:var(--paper);font-weight:500}
:root[data-theme="dark"] .arc-segment.is-active{color:var(--paper-3)}

.arc-rules{display:flex;flex-direction:column;gap:96px}
.arc-rule{
  display:grid;
  grid-template-columns:120px 1fr;
  gap:32px;
  align-items:start;
}
.arc-rule .meta{font-family:var(--mono);font-size:11px;color:var(--muted);padding-top:8px}
.arc-rule .meta .num{color:var(--ink-2);display:block;margin-bottom:4px}
.arc-rule blockquote{
  font-family:var(--serif);
  font-size:clamp(28px,3.8vw,44px);
  line-height:1.18;
  color:var(--ink);
  letter-spacing:-0.02em;
  text-wrap:pretty;
  margin-bottom:24px;
}
.arc-rule blockquote em{font-style:italic;color:var(--accent-2)}
.arc-rule .annotations{display:flex;flex-direction:column;gap:4px;font-family:var(--mono);font-size:12px;color:var(--muted)}
.arc-rule .annotations span:first-child{color:var(--ink-2)}

@media (max-width:760px){
  .arc-rule{grid-template-columns:1fr;gap:16px}
  .arc-rules{gap:64px}
}

/* ============================================================
   scene 4 — the cases
   ============================================================ */
.cases-intro{margin-bottom:96px;max-width:64ch}
.cases-intro h2{margin-bottom:24px}
.case{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:64px;
  padding:96px 0;
  border-top:1px solid var(--line-2);
  align-items:start;
}
.case:first-of-type{border-top:0;padding-top:0}
.case-head{position:sticky;top:120px}
.case-head .path{margin-bottom:20px;display:block}
.case-head h3{margin-bottom:16px;text-wrap:balance}
.case-head h3 em{color:var(--accent-2);font-style:italic}
.case-head .role{font-family:var(--mono);font-size:12px;color:var(--muted);margin-bottom:24px;line-height:1.5}
.case-deep{
  font-family:var(--mono);font-size:12px;
  color:var(--accent-2);
  display:inline-flex;align-items:center;gap:8px;
  border-bottom:1px solid var(--accent-soft);
  padding-bottom:2px;
  transition:border-color 200ms var(--ease-ui);
}
.case-deep:hover{border-bottom-color:var(--accent-2)}

.case-metric{
  display:flex;flex-direction:column;gap:32px;
}
.metric-numeral{
  display:flex;align-items:baseline;gap:16px;
  font-family:var(--serif);
  letter-spacing:-0.04em;
  font-feature-settings:"tnum","lnum";
}
.metric-numeral .num{
  font-size:clamp(72px,11vw,140px);
  line-height:0.9;
  color:var(--ink);
  background:linear-gradient(180deg,var(--ink) 0%,var(--ink-2) 100%);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;
}
.metric-numeral .num.accent{
  background:linear-gradient(180deg,var(--accent) 0%,var(--accent-2) 100%);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;
}
.metric-numeral .unit{font-size:36px;color:var(--muted);font-style:italic}
.metric-label{font-family:var(--mono);font-size:13px;color:var(--ink-2)}
.metric-source{font-family:var(--mono);font-size:11px;color:var(--muted);line-height:1.6}

.metric-chart{
  border:1px solid var(--line-2);
  border-radius:var(--radius);
  padding:24px;
  background:var(--paper-2);
  min-height:200px;
}

/* substrate count tile (recycled mini grid) */
.count-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:1px;background:var(--line-2);border-radius:3px;overflow:hidden}
.count-grid div{background:var(--paper);padding:14px 10px;text-align:center}
.count-grid .v{font-family:var(--serif);font-size:28px;color:var(--ink);display:block;line-height:1}
.count-grid .l{font-family:var(--mono);font-size:9px;color:var(--muted);display:block;margin-top:6px}

/* wingman bar */
.bar-chart{display:flex;align-items:flex-end;justify-content:space-around;height:200px;gap:32px;padding:0 16px}
.bar{display:flex;flex-direction:column;align-items:center;gap:8px;flex:1;max-width:120px;height:100%;justify-content:flex-end}
.bar .col{width:100%;background:var(--paper-3);border-radius:3px 3px 0 0;transition:height 1200ms var(--ease-out)}
.bar.before .col{background:var(--paper-3)}
.bar.after .col{background:var(--accent)}
.bar .lbl{font-family:var(--mono);font-size:10px;color:var(--muted)}
.bar .val{font-family:var(--mono);font-size:11px;color:var(--ink-2);font-weight:500}

/* commons grid (56 squares) */
.deal-grid{display:grid;grid-template-columns:repeat(14,1fr);gap:3px}
.deal-grid div{aspect-ratio:1;background:var(--paper-3);border-radius:1px;transition:background 600ms var(--ease-out)}
.deal-grid div.won{background:var(--accent)}

/* fincent text-density bar */
.density{display:flex;flex-direction:column;gap:18px}
.density-row{display:grid;grid-template-columns:80px 1fr 80px;gap:14px;align-items:center;font-family:var(--mono);font-size:11px;color:var(--muted)}
.density-row .track{height:14px;background:var(--paper-3);border-radius:2px;overflow:hidden}
.density-row .fill{height:100%;background:var(--paper-3);border-radius:2px;transition:width 1200ms var(--ease-out)}
.density-row.after .fill{background:var(--accent)}
.density-row .v{text-align:right;color:var(--ink-2)}

.diff{
  display:grid;grid-template-columns:1fr 1fr;gap:24px;
  font-family:var(--mono);font-size:12px;
  border-top:1px solid var(--line-2);
  padding-top:24px;
}
.diff > div{display:flex;flex-direction:column;gap:6px}
.diff .when{color:var(--muted)}
.diff blockquote{color:var(--ink-2);line-height:1.5;font-family:var(--mono)}
.diff blockquote.accent{color:var(--accent-2)}

@media (max-width:900px){
  .case{grid-template-columns:1fr;gap:32px;padding:64px 0}
  .case-head{position:static}
  .metric-numeral .num{font-size:84px}
  .deal-grid{grid-template-columns:repeat(8,1fr)}
}

/* ============================================================
   scene 5 — the offer
   ============================================================ */
.offer-intro{margin-bottom:64px}
.offer-intro h2{margin-bottom:24px}

.phase-diagram{
  display:grid;
  grid-template-columns:1fr 24px 1fr 24px 1fr;
  gap:0;
  align-items:stretch;
  margin-bottom:64px;
}
.phase{
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:32px 28px;
  background:var(--paper-2);
  display:flex;flex-direction:column;gap:14px;
  position:relative;
}
.phase.fixed{background:color-mix(in oklab,var(--accent-soft) 30%,var(--paper-2))}
.phase.outcome{
  background:color-mix(in oklab,var(--accent) 8%,var(--paper-2));
  border-color:var(--accent-soft);
}
.phase .num{font-family:var(--mono);font-size:11px;color:var(--muted)}
.phase .title{font-family:var(--serif);font-size:28px;line-height:1.1;color:var(--ink);letter-spacing:-0.02em}
.phase .sub{font-family:var(--mono);font-size:12px;color:var(--ink-2)}
.phase ul{list-style:none;display:flex;flex-direction:column;gap:8px;font-family:var(--mono);font-size:12px;color:var(--ink-2);margin-top:auto}
.phase ul li{padding-left:18px;position:relative}
.phase ul li::before{content:"·";position:absolute;left:6px;color:var(--accent)}
.phase .produces{margin-top:16px;font-family:var(--mono);font-size:11px;color:var(--muted);padding-top:12px;border-top:1px solid var(--line-2)}
.phase .produces b{color:var(--accent-2);font-weight:500}

.arrow{
  display:flex;align-items:center;justify-content:center;
  font-family:var(--mono);font-size:18px;color:var(--muted);
}

.offer-quote{
  font-family:var(--serif);
  font-size:clamp(22px,2.6vw,32px);
  line-height:1.4;
  color:var(--ink);
  max-width:48ch;
  margin:0 auto 48px;
  text-align:center;
  text-wrap:balance;
}
.offer-quote em{font-style:italic;color:var(--accent-2)}
.offer-quote cite{display:block;margin-top:16px;font-family:var(--mono);font-size:11px;color:var(--muted);font-style:normal}

.offer-cta{text-align:center}
.offer-cta a{
  font-family:var(--mono);font-size:13px;color:var(--ink);
  border-bottom:1px solid var(--ink);
  padding-bottom:3px;
  transition:color 200ms var(--ease-ui),border-color 200ms var(--ease-ui);
}
.offer-cta a:hover{color:var(--accent-2);border-bottom-color:var(--accent-2)}

@media (max-width:900px){
  .phase-diagram{grid-template-columns:1fr;gap:14px}
  .arrow{transform:rotate(90deg);height:24px}
}

/* ============================================================
   scene 6 — talk
   ============================================================ */
.talk{
  background:var(--paper-2);
}
.talk-shell{max-width:640px;margin:0 auto}
.talk h2{margin-bottom:14px}
.talk p.sub{font-family:var(--mono);font-size:13px;color:var(--muted);margin-bottom:48px}

.form{display:flex;flex-direction:column;gap:18px}
.field{display:flex;flex-direction:column;gap:6px}
.field label{font-family:var(--mono);font-size:11px;color:var(--muted)}
.field input,.field textarea{
  width:100%;
  padding:14px 16px;
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--radius);
  font-family:var(--sans);
  font-size:15px;
  color:var(--ink);
  line-height:1.5;
  transition:border-color 200ms var(--ease-ui),background 200ms var(--ease-ui);
  resize:vertical;
}
.field input::placeholder,.field textarea::placeholder{color:var(--muted);font-family:var(--mono);font-size:13px}
.field textarea{min-height:160px;font-family:var(--sans)}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--accent);background:var(--paper)}

.form-foot{display:flex;align-items:center;justify-content:space-between;margin-top:14px;gap:16px;flex-wrap:wrap}
.form-foot .small{font-family:var(--mono);font-size:11px;color:var(--muted)}
.btn-send{
  font-family:var(--mono);font-size:13px;
  padding:12px 24px;
  background:var(--ink);color:var(--paper);
  border-radius:var(--radius);
  transition:background 200ms var(--ease-ui),transform 120ms var(--ease-ui);
  display:inline-flex;align-items:center;gap:10px;
}
.btn-send:hover{background:var(--accent-2)}
.btn-send:active{transform:translateY(1px)}
.btn-send[disabled]{opacity:0.6;cursor:not-allowed}

.form-success,.form-error{
  font-family:var(--mono);font-size:13px;
  padding:18px 20px;
  border-radius:var(--radius);
  display:none;
}
.form-success{background:var(--accent-soft);color:var(--accent-2);border:1px solid var(--accent-soft)}
.form-error{background:color-mix(in oklab,#c1442a 12%,var(--paper));color:#c1442a;border:1px solid color-mix(in oklab,#c1442a 30%,transparent)}
.form-error a{color:inherit;text-decoration:underline}
.is-sent .form{display:none}
.is-sent .form-success{display:block}
.has-error .form-error{display:block}

/* ============================================================
   scene 7 — receipts
   ============================================================ */
.receipts{padding-bottom:96px}
.receipts .lede{margin-bottom:48px;max-width:54ch}
.receipts .lede em{color:var(--accent-2);font-style:italic}
.receipts-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:1px;
  background:var(--line-2);
  border:1px solid var(--line-2);
  border-radius:var(--radius);
  overflow:hidden;
  margin-bottom:32px;
}
.receipts-grid a{
  background:var(--paper);
  padding:24px 28px;
  font-family:var(--mono);
  font-size:13px;
  color:var(--ink);
  display:flex;flex-direction:column;gap:6px;
  transition:background 200ms var(--ease-ui),color 200ms var(--ease-ui);
}
.receipts-grid a:hover{background:var(--paper-2);color:var(--accent-2)}
.receipts-grid a .url{font-size:14px;font-weight:500;letter-spacing:-0.01em}
.receipts-grid a .what{font-size:11px;color:var(--muted)}
.receipts-grid a:hover .what{color:var(--ink-2)}

.colophon{
  display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;
  font-family:var(--mono);font-size:11px;color:var(--muted);
  padding-top:32px;border-top:1px solid var(--line-2);
}

@media (max-width:760px){
  .receipts-grid{grid-template-columns:1fr}
}

/* ============================================================
   reveal animations (IntersectionObserver targets)
   ============================================================ */
.reveal{opacity:0;transform:translateY(24px);transition:opacity 800ms var(--ease-out),transform 800ms var(--ease-out)}
.reveal.is-in{opacity:1;transform:none}
.reveal-stagger > *{opacity:0;transform:translateY(16px);transition:opacity 600ms var(--ease-out),transform 600ms var(--ease-out)}
.reveal-stagger.is-in > *{opacity:1;transform:none}
.reveal-stagger.is-in > *:nth-child(1){transition-delay:0ms}
.reveal-stagger.is-in > *:nth-child(2){transition-delay:80ms}
.reveal-stagger.is-in > *:nth-child(3){transition-delay:160ms}
.reveal-stagger.is-in > *:nth-child(4){transition-delay:240ms}
.reveal-stagger.is-in > *:nth-child(5){transition-delay:320ms}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:0.01ms!important;animation-iteration-count:1!important;transition-duration:0.01ms!important;scroll-behavior:auto!important}
  .reveal,.reveal-stagger > *{opacity:1;transform:none}
  .scroll-cue{display:none}
  .hero-stage canvas,.system-stage canvas{display:none}
  .hero-stage-fallback{display:flex}
}
.no-webgl .hero-stage canvas,.no-webgl .system-stage canvas{display:none}
.no-webgl .hero-stage-fallback{display:flex}

/* ============================================================
   case page (deep-link)
   ============================================================ */
.case-page{padding-top:120px;padding-bottom:120px;max-width:760px;margin:0 auto}
.case-page .back{font-family:var(--mono);font-size:12px;color:var(--muted);margin-bottom:48px;display:inline-flex;gap:8px;align-items:center}
.case-page .back:hover{color:var(--ink)}
.case-page .meta{font-family:var(--mono);font-size:11px;color:var(--muted);margin-bottom:14px;display:flex;gap:14px;flex-wrap:wrap}
.case-page h1{font-size:clamp(36px,5vw,64px);margin-bottom:32px;text-wrap:balance}
.case-page .lede{margin-bottom:64px;color:var(--ink-2)}
.case-page h2{font-size:clamp(24px,3vw,32px);margin:64px 0 20px}
.case-page h3{font-size:20px;font-family:var(--sans);font-weight:600;margin:32px 0 12px;color:var(--ink)}
.case-page p{margin-bottom:18px;line-height:1.7;color:var(--ink-2)}
.case-page p strong{color:var(--ink);font-weight:600}
.case-page ul,.case-page ol{margin-bottom:24px;padding-left:24px;color:var(--ink-2)}
.case-page li{margin-bottom:8px;line-height:1.6}
.case-page blockquote{
  border-left:2px solid var(--accent);
  padding:4px 0 4px 20px;
  margin:24px 0;
  color:var(--ink);
  font-family:var(--serif);font-size:20px;line-height:1.5;
}
.case-page hr{border:0;border-top:1px solid var(--line-2);margin:48px 0}
.case-page code{font-family:var(--mono);font-size:0.9em;background:var(--paper-2);padding:2px 6px;border-radius:3px}
.case-page .pull{
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:24px 28px;
  background:var(--paper-2);
  margin:32px 0;
  font-family:var(--mono);font-size:13px;
}
.case-page .pull .k{color:var(--muted);font-size:11px;margin-bottom:6px;display:block;letter-spacing:0.04em}
.case-page .pull .v{color:var(--ink);font-size:14px}
.case-page .pull .v.big{font-family:var(--serif);font-size:48px;color:var(--ink);line-height:1;margin:8px 0;font-feature-settings:"tnum"}
.case-page .pull .v.accent{color:var(--accent-2)}

/* ============================================================
   print
   ============================================================ */
@media print{
  .site-header,.scroll-cue,.system-controls,.theme-toggle,.case-deep{display:none!important}
  body{background:white;color:black;font-size:11pt}
  .hero-stage,.system-stage{display:none}
  section{padding:24pt 0;page-break-inside:avoid}
  h1,h2,h3{page-break-after:avoid}
  a{color:black;text-decoration:underline}
  .receipts-grid a .url{color:black}
}

.wayback { margin: var(--section-y,72px) 0; }
.wayback img { width: 100%; height: auto; border: 1px solid var(--muted, #5a6757); border-radius: var(--radius, 6px); display: block; }
.wayback figcaption { font-family: var(--mono, monospace); font-size: 0.85em; color: var(--muted, #5a6757); margin-top: 0.5em; }

/* ============================================================
   before/after compare slider
   ============================================================ */
.compare{
  position:relative;
  width:100%;
  margin:32px 0;
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  user-select:none;
  touch-action:pan-y;
  background:var(--paper-2);
  line-height:0;
}
.compare img{
  display:block;
  width:100%;
  height:auto;
  pointer-events:none;
  -webkit-user-drag:none;
}
.compare-before{position:relative;z-index:1}
.compare-after{
  position:absolute;top:0;left:0;width:100%;height:100%;
  object-fit:cover;
  clip-path:inset(0 0 0 50%);
  z-index:2;
}
.compare-handle{
  position:absolute;top:0;bottom:0;
  left:50%;
  width:2px;
  background:var(--paper);
  box-shadow:0 0 0 1px var(--ink),0 0 16px rgba(0,0,0,0.25);
  z-index:3;
  cursor:ew-resize;
  transform:translateX(-1px);
}
.compare-handle::before{
  content:"";
  position:absolute;top:50%;left:50%;
  width:40px;height:40px;
  margin:-20px 0 0 -20px;
  border-radius:50%;
  background:var(--paper);
  border:1px solid var(--ink);
  box-shadow:0 2px 8px rgba(0,0,0,0.2);
}
.compare-handle::after{
  content:"\2194";
  position:absolute;top:50%;left:50%;
  transform:translate(-50%,-50%);
  font-family:var(--mono);
  font-size:14px;
  color:var(--ink);
  font-weight:600;
}
.compare-label{
  position:absolute;top:12px;
  font-family:var(--mono);
  font-size:11px;
  letter-spacing:0.04em;
  color:var(--paper);
  background:rgba(13,20,16,0.78);
  padding:5px 10px;
  border-radius:3px;
  z-index:4;
  pointer-events:none;
}
.compare-label.before{left:12px}
.compare-label.after{right:12px;z-index:4}