/* ============================================================
   Extensible Software in the Age of LLMs — a visual explainer
   Design system: warm paper, editorial serif display, ink UI
   ============================================================ */

@font-face { font-family: 'Newsreader'; src: url('../fonts/Newsreader-normal-400800-latin.woff2') format('woff2'); font-weight: 400 800; font-style: normal; font-display: swap; }
@font-face { font-family: 'Newsreader'; src: url('../fonts/Newsreader-italic-400700-latin.woff2') format('woff2'); font-weight: 400 700; font-style: italic; font-display: swap; }
@font-face { font-family: 'Inter'; src: url('../fonts/Inter-normal-400800-latin.woff2') format('woff2'); font-weight: 400 800; font-style: normal; font-display: swap; }
@font-face { font-family: 'JetBrains Mono'; src: url('../fonts/JetBrainsMono-normal-400700-latin.woff2') format('woff2'); font-weight: 400 700; font-style: normal; font-display: swap; }
@font-face { font-family: 'JetBrains Mono'; src: url('../fonts/JetBrainsMono-italic-400-latin.woff2') format('woff2'); font-weight: 400; font-style: italic; font-display: swap; }

:root {
  --paper: #f6f2ea;
  --paper-2: #eee8db;
  --paper-3: #e6dfd0;
  --ink: #211c15;
  --ink-2: #4c443a;
  --ink-3: #7d7365;
  --line: #d8d0bf;
  --accent: #d9480f;        /* signal orange */
  --accent-soft: #fbe9df;
  --teal: #0d7377;
  --teal-soft: #dff0f0;
  --amber: #b07d10;
  --amber-soft: #f7ecd2;
  --danger: #c22e2e;
  --danger-soft: #f8e3e0;
  --ok: #3d7a3a;
  --ok-soft: #e3efdf;
  --violet: #6a4fc4;
  --dark: #17130e;
  --dark-2: #211b14;
  --dark-3: #2d251c;
  --dark-line: #3d3428;
  --dark-ink: #f0e9db;
  --dark-ink2: #b3a892;
  --serif: 'Newsreader', Georgia, 'Times New Roman', serif;
  --sans: 'Inter', -apple-system, 'Segoe UI', sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;
  --measure: 42rem;
  --breakout: 74rem;
  --rail-w: 13.5rem;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection { background: var(--accent); color: #fff; }

/* ---------- progress bar ---------- */
#progress {
  position: fixed; top: 0; left: 0; height: 3px; width: 100%;
  background: transparent; z-index: 60; pointer-events: none;
}
#progress .bar {
  height: 100%; width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--amber));
  transition: width .12s linear;
}

/* ---------- side rail nav ---------- */
#rail {
  position: fixed; top: 50%; left: 1rem; transform: translateY(-50%);
  z-index: 50; width: 1.6rem;
  display: none;
  font-size: .72rem;
}
/* dot mode: narrow viewports get dots with hover labels */
#rail a { overflow: hidden; white-space: nowrap; color: transparent; }
#rail a .n { visibility: hidden; }
#rail a::before {
  content: ''; flex: 0 0 auto; width: 7px; height: 7px; border-radius: 50%;
  background: var(--line); margin: 0 .45rem 0 .5rem; transition: all .2s;
}
#rail a:hover::before { background: var(--ink-3); }
#rail a.active::before { background: var(--accent); transform: scale(1.5); }
@media (min-width: 1150px) { #rail { display: block; } }
/* full label mode only when the content column leaves real room */
@media (min-width: 1750px) {
  #rail { left: 1.4rem; width: var(--rail-w); }
  #rail a { color: var(--ink-3); white-space: normal; }
  #rail a .n { visibility: visible; }
  #rail a::before { display: none; }
  #rail a:hover { color: var(--ink); }
  #rail a.active { color: var(--accent); }
}
#rail ol { list-style: none; }
#rail a {
  display: flex; align-items: baseline; gap: .55rem;
  padding: .32rem .6rem .32rem .8rem;
  color: var(--ink-3); text-decoration: none;
  border-left: 2px solid var(--line);
  letter-spacing: .01em;
  transition: color .2s, border-color .2s;
  line-height: 1.3;
}
#rail a .n { font-family: var(--mono); font-size: .62rem; color: var(--ink-3); }
#rail a:hover { color: var(--ink); }
#rail a.active { color: var(--accent); border-left-color: var(--accent); font-weight: 600; }
#rail a.active .n { color: var(--accent); }
@media (min-width: 1400px) { #rail { display: block; } }

/* ---------- hero ---------- */
.hero {
  min-height: 92vh;
  display: flex; flex-direction: column; justify-content: center;
  padding: 6rem 1.5rem 3rem;
  position: relative;
}
.hero-inner { max-width: var(--breakout); margin: 0 auto; width: 100%; }
.hero .kicker {
  font-family: var(--mono); font-size: .78rem; letter-spacing: .14em;
  text-transform: uppercase; color: var(--accent);
  display: flex; align-items: center; gap: .8rem; margin-bottom: 1.6rem;
}
.hero .kicker::before { content: ''; width: 2.6rem; height: 2px; background: var(--accent); }
.hero h1 {
  font-family: var(--serif);
  font-size: clamp(2.6rem, 6.4vw, 5.2rem);
  line-height: 1.02; font-weight: 640; letter-spacing: -.015em;
  max-width: 17ch;
}
.hero h1 em { font-style: italic; color: var(--accent); }
.hero .lede {
  margin-top: 1.8rem; max-width: 40rem;
  font-size: clamp(1.05rem, 1.6vw, 1.3rem); line-height: 1.6; color: var(--ink-2);
}
.hero .byline {
  margin-top: 2.2rem; font-size: .85rem; color: var(--ink-3);
  display: flex; flex-wrap: wrap; gap: .5rem 1.4rem; align-items: center;
}
.hero .byline a { color: var(--ink-2); }
.hero-canvas { margin-top: 3rem; max-width: 46rem; }
.scroll-cue {
  position: absolute; bottom: 1.6rem; left: 50%; transform: translateX(-50%);
  font-family: var(--mono); font-size: .7rem; letter-spacing: .2em; text-transform: uppercase;
  color: var(--ink-3); display: flex; flex-direction: column; align-items: center; gap: .5rem;
}
.scroll-cue .chev { width: 10px; height: 10px; border-right: 2px solid var(--ink-3); border-bottom: 2px solid var(--ink-3); transform: rotate(45deg); animation: cue 1.8s ease-in-out infinite; }
@keyframes cue { 0%,100% { transform: rotate(45deg) translate(0,0); opacity: .5 } 50% { transform: rotate(45deg) translate(4px,4px); opacity: 1 } }

/* ---------- section scaffolding ---------- */
section.chapter { padding: 7rem 1.5rem; position: relative; }
.chapter-inner { max-width: var(--breakout); margin: 0 auto; }
.measure { max-width: var(--measure); margin-left: auto; margin-right: auto; }
.measure-left { max-width: var(--measure); }

.chap-head { max-width: var(--measure); margin: 0 auto 3rem; }
.chap-head .chap-no {
  font-family: var(--mono); font-size: .75rem; letter-spacing: .16em;
  color: var(--accent); text-transform: uppercase;
  display: flex; align-items: center; gap: .7rem; margin-bottom: 1.1rem;
}
.chap-head .chap-no::after { content: ''; flex: 0 0 2.4rem; height: 1px; background: var(--accent); opacity: .55; }
.chap-head h2 {
  font-family: var(--serif); font-weight: 620;
  font-size: clamp(1.9rem, 3.6vw, 2.9rem); line-height: 1.12; letter-spacing: -.01em;
}
.chap-head h2 em { font-style: italic; color: var(--accent); }
.chap-head .sub { margin-top: 1rem; color: var(--ink-2); font-size: 1.05rem; }

.prose p { margin-bottom: 1.35rem; }
.prose p:last-child { margin-bottom: 0; }
.prose strong { font-weight: 650; }
.prose a { color: var(--teal); text-underline-offset: 3px; }
.prose .pull {
  font-family: var(--serif); font-size: 1.5rem; line-height: 1.35; font-weight: 560;
  color: var(--ink); border-left: 3px solid var(--accent); padding-left: 1.4rem;
  margin: 2.2rem 0; font-style: italic;
}
.prose .small { font-size: .88rem; color: var(--ink-3); }
.lead-line { font-size: 1.25rem; line-height: 1.55; color: var(--ink); font-weight: 500; }

.diagram {
  margin: 3.5rem auto;
  background: #fffdf8;
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: 0 1px 0 rgba(33,28,21,.04), 0 12px 32px -18px rgba(33,28,21,.25);
  overflow: hidden;
}
.diagram-head {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: .85rem 1.3rem; border-bottom: 1px solid var(--line);
  background: var(--paper);
}
.diagram-head .dt { font-family: var(--mono); font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-2); }
.diagram-head .dt::before { content: '▸ '; color: var(--accent); }
.diagram-body { padding: 1.6rem 1.5rem 1.8rem; }
.diagram-note { padding: 0 1.5rem 1.3rem; font-size: .85rem; color: var(--ink-3); }

/* ---------- shared widgets ---------- */
.btn {
  font-family: var(--sans); font-size: .85rem; font-weight: 600;
  border: 1.5px solid var(--ink); background: var(--ink); color: var(--paper);
  border-radius: 999px; padding: .55rem 1.15rem; cursor: pointer;
  transition: transform .15s, background .2s, color .2s, border-color .2s;
}
.btn:hover { transform: translateY(-1px); }
.btn.ghost { background: transparent; color: var(--ink); }
.btn.ghost:hover { background: var(--ink); color: var(--paper); }
.btn.accent { background: var(--accent); border-color: var(--accent); }
.btn.small { font-size: .75rem; padding: .4rem .9rem; }
.btn:disabled { opacity: .4; cursor: default; transform: none; }

.chip {
  display: inline-flex; align-items: center; gap: .45rem;
  font-size: .82rem; font-weight: 550; font-family: var(--sans);
  border: 1px solid var(--line); background: #fff;
  border-radius: 999px; padding: .45rem .95rem; cursor: pointer;
  transition: all .18s; text-align: left; line-height: 1.35;
}
.chip:hover { border-color: var(--accent); color: var(--accent); }
.chip.active { background: var(--accent); border-color: var(--accent); color: #fff; }

.stat-grid { display: flex; flex-wrap: wrap; gap: 1rem 2.5rem; }
.stat .sv { font-family: var(--mono); font-size: 1.6rem; font-weight: 700; color: var(--ink); }
.stat .sv em { font-style: normal; font-size: .9rem; color: var(--ink-3); }
.stat .sl { font-size: .78rem; color: var(--ink-3); text-transform: uppercase; letter-spacing: .08em; }

input[type=range] { accent-color: var(--accent); }

.callout {
  border: 1px solid var(--line); border-left: 4px solid var(--teal);
  background: var(--teal-soft); border-radius: 0 10px 10px 0;
  padding: 1.1rem 1.3rem; margin: 2rem auto; font-size: .95rem;
}
.callout.warn { border-left-color: var(--amber); background: var(--amber-soft); }
.callout.danger { border-left-color: var(--danger); background: var(--danger-soft); }
.callout .ct { font-family: var(--mono); font-size: .7rem; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-2); display: block; margin-bottom: .4rem; }

/* ---------- code panels ---------- */
.code-panel {
  margin: 2.2rem auto;
  background: var(--dark-2);
  border-radius: 12px; overflow: hidden;
  border: 1px solid var(--dark-line);
  box-shadow: 0 16px 40px -22px rgba(23,19,14,.6);
}
.code-panel .cp-head {
  display: flex; align-items: center; gap: .6rem;
  padding: .6rem 1rem; background: var(--dark-3);
  border-bottom: 1px solid var(--dark-line);
}
.code-panel .cp-dots { display: flex; gap: .35rem; }
.code-panel .cp-dots i { width: 9px; height: 9px; border-radius: 50%; background: var(--dark-line); display: block; }
.code-panel .cp-file { font-family: var(--mono); font-size: .72rem; color: var(--dark-ink2); letter-spacing: .03em; }
.code-panel .cp-lang { margin-left: auto; font-family: var(--mono); font-size: .62rem; color: var(--dark-ink2); text-transform: uppercase; letter-spacing: .14em; border: 1px solid var(--dark-line); border-radius: 4px; padding: .1rem .4rem; }
.code-panel pre {
  padding: 1.15rem 1.25rem; overflow-x: auto;
  font-family: var(--mono); font-size: .82rem; line-height: 1.62;
  color: #e8e0cf; tab-size: 2;
}
.code-panel .tok-k { color: #f2876c; }              /* keyword */
.code-panel .tok-s { color: #b8cc8a; }              /* string */
.code-panel .tok-c { color: #8a7f6b; font-style: italic; } /* comment */
.code-panel .tok-n { color: #e8b86d; }              /* number */
.code-panel .tok-t { color: #7fc4c9; }              /* type */
.code-panel .tok-a { color: #c9a0e8; }              /* attribute/annotation */
.code-panel .tok-f { color: #f0d080; }              /* function */
.code-legend { list-style: none; margin: -.8rem auto 2rem; font-size: .85rem; }
.code-legend li { display: flex; gap: .7rem; margin-bottom: .5rem; color: var(--ink-2); align-items: baseline; }
.code-legend .mk { font-family: var(--mono); color: var(--accent); font-weight: 700; flex: 0 0 auto; }

/* ---------- dark chapters ---------- */
section.dark {
  background: var(--dark); color: var(--dark-ink);
}
section.dark .chap-head .chap-no { color: var(--amber); }
section.dark .chap-head .chap-no::after { background: var(--amber); }
section.dark .chap-head h2 { color: var(--dark-ink); }
section.dark .chap-head .sub, section.dark .prose { color: var(--dark-ink2); }
section.dark .prose strong { color: var(--dark-ink); }
section.dark .diagram { background: var(--dark-2); border-color: var(--dark-line); box-shadow: 0 20px 50px -25px rgba(0,0,0,.8); }
section.dark .diagram-head { background: var(--dark-3); border-color: var(--dark-line); }
section.dark .diagram-head .dt { color: var(--dark-ink2); }
section.dark .diagram-note { color: var(--dark-ink2); }

/* ---------- reveal ---------- */
.rv { opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s cubic-bezier(.2,.7,.2,1); }
.rv.in { opacity: 1; transform: none; }
.rv-d1 { transition-delay: .08s } .rv-d2 { transition-delay: .16s } .rv-d3 { transition-delay: .24s }

/* ---------- footer ---------- */
footer {
  background: var(--dark); color: var(--dark-ink2);
  padding: 4.5rem 1.5rem 3rem; font-size: .88rem;
}
footer .foot-inner { max-width: var(--breakout); margin: 0 auto; }
footer a { color: var(--dark-ink); }
footer .foot-grid { display: grid; gap: 2rem; grid-template-columns: 1fr; }
@media (min-width: 720px) { footer .foot-grid { grid-template-columns: 2fr 1fr 1fr; } }
footer h4 { font-family: var(--mono); font-size: .7rem; letter-spacing: .14em; text-transform: uppercase; color: var(--dark-ink); margin-bottom: .9rem; }
footer ul { list-style: none; } footer li { margin-bottom: .5rem; }

/* ---------- responsive ---------- */
@media (max-width: 760px) {
  body { font-size: 1rem; }
  section.chapter { padding: 4.5rem 1.1rem; }
  .hero { padding: 4.5rem 1.1rem 4rem; min-height: 88vh; }
  .diagram-body { padding: 1.1rem .9rem 1.3rem; }
  .code-panel pre { font-size: .74rem; }
}

/* ============================================================
   Interactive 1 — demand curve
   ============================================================ */
.curve-wrap { display: grid; gap: 1.5rem; }
@media (min-width: 900px) { .curve-wrap { grid-template-columns: 1.25fr 1fr; } }
.curve-svg { width: 100%; height: auto; display: block; }
.curve-readout {
  font-family: var(--mono); font-size: .78rem; color: var(--ink-2);
  min-height: 2.4em; border-top: 1px dashed var(--line); padding-top: .7rem; margin-top: .5rem;
}
.curve-controls { display: flex; flex-direction: column; gap: 1rem; }
.slider-row { display: grid; gap: .35rem; }
.slider-row label { font-size: .8rem; font-weight: 600; letter-spacing: .02em; display: flex; justify-content: space-between; }
.slider-row label output { font-family: var(--mono); color: var(--accent); }
.usability-meter { display: grid; gap: .4rem; }
.usability-meter .track { height: 12px; background: var(--paper-2); border-radius: 6px; overflow: hidden; border: 1px solid var(--line); }
.usability-meter .fill { height: 100%; width: 100%; background: linear-gradient(90deg, var(--ok), var(--amber), var(--danger)); background-size: 200% 100%; transition: width .45s ease, background-position .45s ease; }
.usability-meter .um-label { font-size: .8rem; display: flex; justify-content: space-between; color: var(--ink-2); }
.usability-meter .um-label output { font-family: var(--mono); font-weight: 700; }
.menu-pile { display: flex; flex-wrap: wrap; gap: .35rem; min-height: 2.6rem; align-content: flex-start; padding: .6rem; background: var(--paper-2); border-radius: 10px; border: 1px dashed var(--line); }
.menu-pile .mi {
  font-size: .68rem; font-family: var(--mono); background: #fff; border: 1px solid var(--line);
  border-radius: 6px; padding: .22rem .5rem; color: var(--ink-2);
  animation: pop-in .3s ease;
}
.menu-pile .mi.rare { border-color: var(--danger); color: var(--danger); }
@keyframes pop-in { from { transform: scale(.6); opacity: 0 } to { transform: none; opacity: 1 } }

/* ============================================================
   Interactive 2 — squishy software / software for one
   ============================================================ */
.squishy-stage { display: grid; gap: 1.2rem; align-items: center; }
@media (min-width: 880px) { .squishy-stage { grid-template-columns: 1fr 1fr; } }
.squishy-prompt {
  background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 1rem 1.2rem;
  font-size: .95rem; min-height: 5.4rem;
}
.squishy-prompt .sp-label { font-family: var(--mono); font-size: .68rem; text-transform: uppercase; letter-spacing: .12em; color: var(--ink-3); display: block; margin-bottom: .4rem; }
.squishy-prompt .type-out { font-family: var(--mono); font-size: .86rem; color: var(--teal); }
.squishy-prompt .caret { display: inline-block; width: 8px; height: 1em; background: var(--teal); vertical-align: -2px; animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0 } }
.squishy-apps { display: grid; grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: .7rem; }
.squishy-app {
  background: #fff; border: 1.5px solid var(--line); border-radius: 10px; padding: .7rem .8rem;
  font-size: .72rem; opacity: 0; transform: translateY(10px) scale(.92);
  transition: all .45s cubic-bezier(.2,.8,.3,1.2);
}
.squishy-app.show { opacity: 1; transform: none; }
.squishy-app .sa-name { font-weight: 700; font-size: .78rem; }
.squishy-app .sa-for { font-family: var(--mono); color: var(--accent); font-size: .66rem; margin-top: .25rem; }
.squishy-app .sa-bar { height: 4px; border-radius: 2px; background: var(--accent-soft); margin-top: .5rem; overflow: hidden; }
.squishy-app .sa-bar i { display: block; height: 100%; background: var(--accent); width: 100%; }

/* ============================================================
   Interactive 3 — the robot extrudes code (read-it-later)
   ============================================================ */
.robot-stage { display: grid; gap: 1.4rem; }
@media (min-width: 960px) { .robot-stage { grid-template-columns: 1fr 1.1fr; } }
.robot-requests { display: flex; flex-direction: column; gap: .7rem; }
.robot-requests .chip { border-radius: 12px; padding: .7rem 1rem; }
.robot-app {
  position: relative; background: var(--paper-2); border: 1.5px solid var(--line);
  border-radius: 14px; padding: 1.1rem; min-height: 21rem;
}
.robot-app .core {
  background: var(--ink); color: var(--paper); border-radius: 10px; padding: .9rem 1.1rem;
  font-size: .85rem;
}
.robot-app .core .core-title { font-weight: 700; font-family: var(--mono); font-size: .8rem; letter-spacing: .04em; }
.robot-app .core .core-sub { color: #c8bfae; font-size: .72rem; margin-top: .15rem; }
.sockets { display: grid; gap: .55rem; margin-top: 1rem; }
.socket {
  display: flex; align-items: center; gap: .7rem;
  border: 1.5px dashed var(--line); border-radius: 10px; padding: .55rem .8rem;
  font-family: var(--mono); font-size: .72rem; color: var(--ink-3);
  background: #fffdf8; transition: all .3s; position: relative; overflow: hidden;
}
.socket .plug-dot { width: 12px; height: 12px; border-radius: 50%; border: 2px solid var(--line); flex: 0 0 auto; transition: all .3s; background: #fff; }
.socket.filled { border-style: solid; border-color: var(--teal); color: var(--ink); background: var(--teal-soft); }
.socket.filled .plug-dot { border-color: var(--teal); background: var(--teal); box-shadow: 0 0 0 4px rgba(13,115,119,.18); }
.socket .socket-name { font-weight: 700; }
.robot-extrusion {
  font-family: var(--mono); font-size: .72rem; line-height: 1.6;
  background: var(--dark-2); color: #b8cc8a; border-radius: 10px;
  padding: .8rem 1rem; margin-top: 1rem; min-height: 4.6rem; white-space: pre-wrap; word-break: break-word;
  opacity: 0; transition: opacity .4s;
}
.robot-extrusion.show { opacity: 1; }
.robot-share {
  margin-top: 1rem; display: flex; align-items: center; gap: .8rem; flex-wrap: wrap;
  opacity: 0; transform: translateY(6px); transition: all .4s; pointer-events: none;
}
.robot-share.show { opacity: 1; transform: none; pointer-events: auto; }
.share-avatars { display: flex; }
.share-avatars .av {
  width: 30px; height: 30px; border-radius: 50%; border: 2px solid var(--paper);
  display: grid; place-items: center; font-size: .6rem; font-weight: 700; color: #fff;
  margin-left: -8px; background: var(--ink-3); transition: all .4s;
}
.share-avatars .av:first-child { margin-left: 0; }
.share-avatars .av.got { background: var(--teal); transform: scale(1.12); }

/* ============================================================
   Interactive 4 — webhook vs in-app extension
   ============================================================ */
.vs-wrap { display: grid; gap: 1.2rem; }
@media (min-width: 900px) { .vs-wrap { grid-template-columns: 1fr 1fr; } }
.vs-col { border: 1.5px solid var(--line); border-radius: 12px; padding: 1.1rem; background: #fffdf8; position: relative; }
.vs-col.bad { border-color: #e0b7ae; background: #fdf6f3; }
.vs-col.good { border-color: var(--teal); background: #f4faf9; }
.vs-col h4 { font-size: .95rem; display: flex; align-items: center; gap: .5rem; margin-bottom: .2rem; }
.vs-col h4 .tag { font-family: var(--mono); font-size: .6rem; text-transform: uppercase; letter-spacing: .1em; padding: .15rem .5rem; border-radius: 999px; }
.vs-col.bad h4 .tag { background: var(--danger-soft); color: var(--danger); }
.vs-col.good h4 .tag { background: var(--teal-soft); color: var(--teal); }
.vs-steps { list-style: none; margin-top: .8rem; display: grid; gap: .4rem; min-height: 12rem; align-content: start; }
.vs-steps li {
  font-size: .8rem; padding: .45rem .7rem; border-radius: 8px; background: var(--paper-2);
  border: 1px solid var(--line); display: flex; gap: .5rem; align-items: baseline;
  animation: pop-in .35s ease;
}
.vs-steps li .hrs { margin-left: auto; font-family: var(--mono); font-size: .68rem; color: var(--ink-3); white-space: nowrap; }
.vs-col.good .vs-steps li { background: #fff; border-color: var(--teal); }
.vs-cost { display: flex; justify-content: space-between; border-top: 1px dashed var(--line); margin-top: .9rem; padding-top: .7rem; font-size: .78rem; color: var(--ink-2); }
.vs-cost output { font-family: var(--mono); font-weight: 700; color: var(--ink); }
.vs-col.bad .vs-cost output { color: var(--danger); }

/* ============================================================
   Interactive 5 — domains
   ============================================================ */
.domain-tabs { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 1.5rem; }
.domain-panel { display: grid; gap: 1.4rem; }
@media (min-width: 920px) { .domain-panel { grid-template-columns: 1.15fr 1fr; } }
.domain-detail ul { list-style: none; display: grid; gap: .55rem; margin-top: 1rem; }
.domain-detail li { display: flex; gap: .6rem; font-size: .92rem; align-items: baseline; }
.domain-detail li::before { content: '→'; color: var(--accent); font-weight: 700; flex: 0 0 auto; }
.plugin-grid { display: grid; grid-template-columns: repeat(17, 1fr); gap: 4px; }
.plugin-grid .pg {
  aspect-ratio: 1; border-radius: 3px; background: var(--teal); opacity: .85; cursor: pointer;
  transition: all .2s; border: none; padding: 0;
}
.plugin-grid .pg:hover { transform: scale(1.25); opacity: 1; }
.plugin-grid .pg.off { background: var(--paper-3); opacity: .5; transform: scale(.85); }
.plugin-note { font-family: var(--mono); font-size: .72rem; color: var(--ink-2); margin-top: .7rem; }
blockquote.tweet {
  background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 1.2rem 1.4rem;
  margin-top: 1.5rem; font-size: .95rem; line-height: 1.6; position: relative;
}
blockquote.tweet::before {
  content: '“'; font-family: var(--serif); font-size: 3.2rem; color: var(--accent);
  position: absolute; top: -.4rem; left: .8rem; line-height: 1;
}
blockquote.tweet .tw-body { padding-left: 2rem; }
blockquote.tweet .tw-src { padding-left: 2rem; margin-top: .7rem; font-family: var(--mono); font-size: .7rem; color: var(--ink-3); }

/* ============================================================
   Interactive 6 — the wall
   ============================================================ */
.wall-stage { position: relative; }
.threat-bricks { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: .7rem; margin: 1.6rem 0; }
.brick {
  background: var(--dark-3); border: 1px solid var(--dark-line); border-radius: 8px;
  padding: .8rem .9rem; font-size: .8rem; color: var(--dark-ink);
  opacity: 0; transform: translateY(26px) rotate(1.5deg); transition: all .5s cubic-bezier(.2,.8,.3,1);
  position: relative;
}
.brick.in { opacity: 1; transform: none; }
.brick .b-icon { font-size: 1.1rem; display: block; margin-bottom: .35rem; }
.brick .b-name { font-weight: 700; color: #f0c8b8; }
.brick .b-desc { color: var(--dark-ink2); font-size: .72rem; margin-top: .25rem; line-height: 1.45; }
.chaos-board { display: grid; gap: .8rem; }
@media (min-width: 760px) { .chaos-board { grid-template-columns: repeat(3, 1fr); } }
.chaos-gauge { background: var(--dark-2); border: 1px solid var(--dark-line); border-radius: 10px; padding: .9rem 1rem; }
.chaos-gauge .cg-label { font-family: var(--mono); font-size: .65rem; text-transform: uppercase; letter-spacing: .12em; color: var(--dark-ink2); }
.chaos-gauge .cg-val { font-family: var(--mono); font-size: 1.35rem; font-weight: 700; color: var(--dark-ink); margin-top: .3rem; transition: color .3s; }
.chaos-gauge .cg-val.hot { color: #f0643c; }
.chaos-gauge .cg-track { height: 6px; background: var(--dark-3); border-radius: 3px; margin-top: .5rem; overflow: hidden; }
.chaos-gauge .cg-fill { height: 100%; width: 0%; background: #f0643c; transition: width .5s ease; }
.chaos-log {
  grid-column: 1 / -1; background: #0d0a07; border: 1px solid var(--dark-line); border-radius: 10px;
  font-family: var(--mono); font-size: .72rem; color: #a99e88; padding: .9rem 1rem; height: 9.5rem; overflow: hidden;
  line-height: 1.7; position: relative;
}
.chaos-log .cline { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.chaos-log .cline.err { color: #f0643c; }
.chaos-log .cline.warn { color: #e8b86d; }

/* ============================================================
   Salesforce timeline
   ============================================================ */
.timeline { position: relative; margin: 3rem auto; padding-left: 1.6rem; }
.timeline::before { content: ''; position: absolute; left: 6px; top: 0; bottom: 0; width: 2px; background: var(--line); }
.tl-item { position: relative; padding-bottom: 2.2rem; }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before {
  content: ''; position: absolute; left: -1.6rem; top: .35rem; width: 12px; height: 12px;
  border-radius: 50%; background: var(--paper); border: 3px solid var(--accent);
}
.tl-item .tl-year { font-family: var(--mono); font-size: .75rem; color: var(--accent); font-weight: 700; letter-spacing: .1em; }
.tl-item .tl-title { font-weight: 700; font-size: 1.05rem; margin: .2rem 0 .3rem; }
.tl-item .tl-body { font-size: .92rem; color: var(--ink-2); max-width: 34rem; }
.cron-visual { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; margin-top: 1.4rem; }
.cron-clock {
  width: 84px; height: 84px; border-radius: 50%; border: 3px solid var(--ink);
  position: relative; background: #fffdf8; flex: 0 0 auto;
}
.cron-clock .hand { position: absolute; left: 50%; top: 50%; transform-origin: 50% 0; background: var(--ink); border-radius: 2px; }
.cron-clock .hand.h { width: 3px; height: 22px; margin-left: -1.5px; transform: rotate(180deg); }
.cron-clock .hand.m { width: 2px; height: 30px; margin-left: -1px; transform: rotate(180deg); transition: transform 1s linear; }
.cron-clock.strike { animation: strike .5s ease; border-color: var(--accent); }
@keyframes strike { 30% { transform: scale(1.06) } }
.cron-visual .cron-desc { font-size: .85rem; color: var(--ink-2); max-width: 22rem; }
.cron-visual .cron-desc output { font-family: var(--mono); color: var(--accent); font-weight: 700; }

/* ============================================================
   Five properties
   ============================================================ */
.prop-grid { display: grid; gap: 1.2rem; grid-template-columns: 1fr; }
@media (min-width: 700px) { .prop-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1080px) { .prop-grid { grid-template-columns: repeat(3, 1fr); } }
.prop-card {
  border: 1.5px solid var(--line); border-radius: 14px; background: #fffdf8;
  padding: 1.2rem 1.3rem; display: flex; flex-direction: column; gap: .8rem;
  transition: border-color .25s, transform .25s;
}
.prop-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.prop-card .p-no { font-family: var(--mono); font-size: .65rem; color: var(--accent); letter-spacing: .16em; text-transform: uppercase; }
.prop-card h4 { font-family: var(--serif); font-size: 1.35rem; font-weight: 640; line-height: 1.15; }
.prop-card .p-desc { font-size: .88rem; color: var(--ink-2); }
.prop-card .p-demo { margin-top: auto; background: var(--paper-2); border-radius: 10px; padding: .9rem 1rem; border: 1px dashed var(--line); min-height: 7.2rem; }
.p-demo .pd-label { font-family: var(--mono); font-size: .62rem; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-3); display: block; margin-bottom: .5rem; }
.big-number { font-family: var(--mono); font-weight: 700; font-size: 1.5rem; }
.big-number small { font-size: .75rem; color: var(--ink-3); font-weight: 400; }
.pack-bar { display: flex; height: 22px; border-radius: 6px; overflow: hidden; border: 1px solid var(--line); background: #fff; }
.pack-bar i { display: block; height: 100%; background: var(--teal); border-right: 1px solid #fffdf8; transition: width .3s; }
.stopwatch { display: flex; align-items: baseline; gap: .8rem; }
.stopwatch .sw-val { font-family: var(--mono); font-size: 1.6rem; font-weight: 700; color: var(--ok); }
.stopwatch .sw-val.slow { color: var(--danger); }
.log-spew { font-family: var(--mono); font-size: .68rem; height: 3.4rem; overflow: hidden; line-height: 1.55; color: var(--ink-2); }
.log-spew .hot { color: var(--danger); font-weight: 700; }
.tenant-grid { display: grid; grid-template-columns: repeat(8, 1fr); gap: 5px; }
.tenant-grid .tn {
  aspect-ratio: 1; border-radius: 4px; background: var(--ok); border: none; cursor: pointer; padding: 0;
  transition: all .2s; opacity: .8;
}
.tenant-grid .tn:hover { transform: scale(1.15); opacity: 1; }
.tenant-grid .tn.dead { background: var(--danger); animation: jitter .12s infinite; }
@keyframes jitter { 25% { transform: translate(1px,-1px) } 75% { transform: translate(-1px,1px) } }
.cap-teaser { font-size: .8rem; color: var(--ink-2); }
.cap-teaser a { color: var(--teal); font-weight: 600; }

/* ============================================================
   Capability lab
   ============================================================ */
.lab-model-tabs { display: grid; grid-template-columns: repeat(2, 1fr); gap: .5rem; }
@media (min-width: 760px) { .lab-model-tabs { grid-template-columns: repeat(4, 1fr); } }
.lab-tab {
  border: 1.5px solid var(--line); background: #fff; border-radius: 10px; padding: .7rem .8rem;
  cursor: pointer; text-align: left; transition: all .2s; font-family: var(--sans);
}
.lab-tab .lt-name { font-weight: 700; font-size: .85rem; display: block; }
.lab-tab .lt-risk { font-family: var(--mono); font-size: .62rem; letter-spacing: .06em; text-transform: uppercase; margin-top: .3rem; display: block; }
.lab-tab[data-risk=none] .lt-risk { color: var(--ok); }
.lab-tab[data-risk=low] .lt-risk { color: var(--teal); }
.lab-tab[data-risk=mid] .lt-risk { color: var(--amber); }
.lab-tab[data-risk=high] .lt-risk { color: var(--danger); }
.lab-tab:hover { border-color: var(--ink-3); }
.lab-tab.active { border-color: var(--accent); background: var(--accent-soft); }
.lab-arena { display: grid; gap: 1.2rem; margin-top: 1.5rem; }
@media (min-width: 960px) { .lab-arena { grid-template-columns: 1.05fr 1fr; } }
.lab-attacks { display: grid; gap: .6rem; align-content: start; }
.attack-btn {
  text-align: left; border: 1px solid var(--line); background: #fff; border-radius: 10px;
  padding: .75rem 1rem; cursor: pointer; font-family: var(--sans); font-size: .85rem;
  display: flex; gap: .7rem; align-items: baseline; transition: all .18s;
}
.attack-btn:hover { border-color: var(--danger); }
.attack-btn .ab-icon { color: var(--danger); font-family: var(--mono); font-weight: 700; }
.attack-btn .ab-name { font-weight: 650; }
.attack-btn .ab-sub { display: block; font-size: .72rem; color: var(--ink-3); font-weight: 400; margin-top: .15rem; }
.lab-monitor {
  background: var(--dark-2); border-radius: 12px; border: 1px solid var(--dark-line);
  overflow: hidden; display: flex; flex-direction: column; min-height: 22rem;
}
.lab-monitor .lm-head { padding: .6rem 1rem; background: var(--dark-3); border-bottom: 1px solid var(--dark-line); font-family: var(--mono); font-size: .68rem; letter-spacing: .1em; text-transform: uppercase; color: var(--dark-ink2); display: flex; justify-content: space-between; }
.lab-monitor .lm-leaked { color: #7fd08a; }
.lab-monitor .lm-leaked.yes { color: #f0643c; font-weight: 700; }
.lab-stream { flex: 1; padding: .9rem 1.1rem; font-family: var(--mono); font-size: .74rem; line-height: 1.7; color: #b6ab94; overflow-y: auto; max-height: 20rem; }
.lab-stream .ev { margin-bottom: .5rem; animation: pop-in .25s ease; }
.lab-stream .ev .ev-t { color: #7d7361; margin-right: .5rem; }
.lab-stream .ev.ok { color: #9ecb8f; }
.lab-stream .ev.bad { color: #f0643c; }
.lab-stream .ev.blocked { color: #e8b86d; }
.lab-verdict { padding: .8rem 1.1rem; border-top: 1px solid var(--dark-line); font-size: .8rem; color: var(--dark-ink2); min-height: 3.2rem; }
.lab-verdict strong { color: var(--dark-ink); }
.ifttt-strip { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: 1.2rem; }
.ifttt-strip .cap-pill {
  font-family: var(--mono); font-size: .75rem; background: var(--teal-soft); color: var(--teal);
  border: 1px solid var(--teal); border-radius: 999px; padding: .35rem .85rem; font-weight: 600;
}
.ifttt-strip .cap-pill.vs { background: transparent; border: none; color: var(--ink-3); }
.ifttt-strip .cap-pill.raw { background: var(--danger-soft); color: var(--danger); border-color: var(--danger); text-decoration: line-through; }

/* ============================================================
   Technology matrix
   ============================================================ */
.matrix-scroll { overflow-x: auto; margin: 0 -0.25rem; padding: 0 .25rem; }
table.matrix { border-collapse: collapse; width: 100%; min-width: 760px; font-size: .85rem; }
table.matrix th, table.matrix td { padding: .8rem .9rem; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
table.matrix thead th { font-family: var(--mono); font-size: .66rem; text-transform: uppercase; letter-spacing: .1em; color: var(--ink-2); border-bottom: 2px solid var(--ink); }
table.matrix thead th:first-child { min-width: 11rem; }
table.matrix tbody th { font-weight: 700; font-size: .95rem; }
table.matrix tbody th .ex { display: block; font-weight: 400; font-size: .72rem; color: var(--ink-3); font-family: var(--mono); margin-top: .3rem; line-height: 1.5; }
table.matrix tbody tr { cursor: pointer; transition: background .2s; }
table.matrix tbody tr:hover { background: #fff; }
table.matrix tbody tr.open { background: #fff; }
table.matrix td .note { display: block; font-size: .7rem; color: var(--ink-3); margin-top: .25rem; line-height: 1.4; }
.score { display: inline-flex; gap: 4px; }
.score i { width: 10px; height: 10px; border-radius: 50%; background: var(--paper-3); border: 1px solid var(--line); }
.score i.on { background: var(--teal); border-color: var(--teal); }
.score i.half { background: linear-gradient(90deg, var(--teal) 50%, var(--paper-3) 50%); }
.matrix-detail td { background: #fff; }
.matrix-detail .md-inner { padding: .4rem .4rem .8rem; font-size: .85rem; color: var(--ink-2); max-width: 60rem; }
.matrix-detail .md-inner strong { color: var(--ink); }
.matrix-mobile-hint { display: none; font-size: .75rem; color: var(--ink-3); margin-bottom: .6rem; font-family: var(--mono); }
@media (max-width: 800px) { .matrix-mobile-hint { display: block; } }

/* ============================================================
   Dynamic Workers
   ============================================================ */
.disclosure {
  display: flex; gap: .9rem; align-items: flex-start;
  border: 1.5px dashed var(--amber); background: var(--amber-soft);
  border-radius: 12px; padding: 1rem 1.2rem; font-size: .9rem; margin: 0 auto 2.6rem;
  max-width: var(--measure);
}
.disclosure .d-badge { font-family: var(--mono); font-size: .62rem; letter-spacing: .12em; text-transform: uppercase; background: var(--amber); color: #fff; border-radius: 999px; padding: .2rem .7rem; white-space: nowrap; margin-top: .15rem; }
.dw-grid { display: grid; gap: 1.1rem; grid-template-columns: 1fr; }
@media (min-width: 700px) { .dw-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1080px) { .dw-grid { grid-template-columns: repeat(3, 1fr); } }
.dw-card { border: 1.5px solid var(--line); border-radius: 14px; padding: 1.2rem 1.3rem; background: #fffdf8; }
.dw-card .dw-icon { font-family: var(--mono); color: var(--accent); font-size: .8rem; letter-spacing: .1em; }
.dw-card h4 { font-size: 1.05rem; margin: .4rem 0 .5rem; }
.dw-card p { font-size: .87rem; color: var(--ink-2); }
.dw-card code { font-family: var(--mono); font-size: .8em; background: var(--paper-2); padding: .1em .35em; border-radius: 4px; }

/* ---------- closing ---------- */
.closing-mark {
  font-family: var(--serif); font-size: clamp(1.7rem, 3.4vw, 2.6rem); line-height: 1.3; font-weight: 560;
  max-width: 34ch; margin: 0 auto; text-align: center;
}
.closing-mark em { font-style: italic; color: var(--accent); }