/* Persona × Privacy — DFG proposal site
   Palette: warm paper, ink, vermilion (leakage), deep green (protection),
   one muted hue per trait. Type: Newsreader / IBM Plex Sans / IBM Plex Mono. */

:root {
  color-scheme: light;
  --paper: #FDFCF8;
  --paper-2: #F6F3EB;
  --paper-3: #EEEADF;
  --card: #FFFFFF;
  --ink: #15171C;
  --ink-2: #33373F;
  --muted: #676B74;
  --faint: #9A9DA3;
  --rule: #E6E2D7;
  --rule-2: #D3CDBE;

  --leak: #D4472A;
  --leak-2: #FAE3DB;
  --amber: #C7811A;
  --amber-2: #FBEFD8;
  --safe: #22715A;
  --safe-2: #DDEEE6;
  --accent: #1E4D7B;
  --accent-2: #E2EBF4;

  --t-o: #4A6FA5;
  --t-c: #4E8A5B;
  --t-e: #D19A17;
  --t-a: #CF6440;
  --t-n: #8466A3;
  --t-s: #B2445C;

  --wp1: #3E6FA8; --wp1-bg: #E4EDF7;
  --wp2: #3B875C; --wp2-bg: #E2F0E6;
  --wp3: #AD8212; --wp3-bg: #F9F0D3;
  --wp4: #C25F2B; --wp4-bg: #FAE7D9;
  --wp5: #92457A; --wp5-bg: #F3E4EE;

  --serif: "Newsreader", "Iowan Old Style", Georgia, serif;
  --sans: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --ease: cubic-bezier(.2, .7, .2, 1);
  --shadow: 0 1px 0 rgba(21, 23, 28, .04), 0 14px 34px -18px rgba(21, 23, 28, .22);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 76px; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font: 400 17px/1.62 var(--sans);
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
body.locked { overflow: hidden; height: 100svh; }
img, svg, canvas { display: block; max-width: 100%; }
a { color: inherit; text-underline-offset: 3px; text-decoration-thickness: 1px; }
button { font: inherit; color: inherit; }
::selection { background: #F2D7A0; color: var(--ink); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 3px; }
p { margin: 0 0 1em; }
h1, h2, h3, h4 { font-family: var(--serif); font-weight: 400; margin: 0; letter-spacing: -0.015em; font-optical-sizing: auto; }
h1 { font-size: clamp(2.55rem, 5.5vw, 5rem); line-height: 1.02; letter-spacing: -0.025em; }
h2 { font-size: clamp(2rem, 3.8vw, 3.3rem); line-height: 1.07; }
h3 { font-size: clamp(1.35rem, 2vw, 1.7rem); line-height: 1.2; }
h4 { font-size: 1.18rem; line-height: 1.3; }
h1 em, h2 em, h3 em { font-style: italic; }
.mono { font-family: var(--mono); }
.wrap { width: min(1200px, calc(100% - 48px)); margin-inline: auto; }
@media (max-width: 640px) { .wrap { width: calc(100% - 32px); } body { font-size: 16px; } }

.kicker {
  font: 500 11.5px/1.5 var(--mono); letter-spacing: .13em; text-transform: uppercase;
  color: var(--muted); margin: 0 0 18px; display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
}
.dot-sep { width: 4px; height: 4px; border-radius: 50%; background: currentColor; display: inline-block; opacity: .6; }
.tiny { font-size: 12.5px; line-height: 1.5; color: var(--muted); }
.figcap { font-size: 13.5px; line-height: 1.55; color: var(--muted); max-width: 78ch; margin: 18px 0 0; }
.figcap b { color: var(--ink); font-weight: 600; font-family: var(--mono); font-size: 12px; letter-spacing: .04em; margin-right: 6px; }

/* ---------- gate ---------- */
.gate {
  position: fixed; inset: 0; z-index: 100; background: var(--paper);
  display: grid; place-items: center; padding: 24px;
  transition: opacity .9s var(--ease), transform 1.1s var(--ease);
}
.gate.leaving { opacity: 0; transform: translateY(-3%); pointer-events: none; }
.gate-bg { position: absolute; inset: 0; width: 100%; height: 100%; }
.gate::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(ellipse 46% 42% at 50% 50%, var(--paper) 30%, rgba(253, 252, 248, .86) 58%, rgba(253, 252, 248, 0) 100%);
}
.gate-card { position: relative; z-index: 2; width: min(600px, 100%); text-align: left; --fill: 0; }
.gate-title { font-size: clamp(2.3rem, 7.6vw, 4.5rem); line-height: 1; margin-bottom: 18px; white-space: nowrap; }
.gate-x { color: var(--faint); font-style: italic; font-weight: 300; }
.gate-redact { position: relative; display: inline-block; font-style: italic; }
.gate-bar {
  position: absolute; left: -4px; right: -6px; top: 14%; bottom: 6%; background: var(--ink);
  transform-origin: 0 50%; animation: redact 6.5s var(--ease) infinite;
}
@keyframes redact {
  0%, 12% { transform: scaleX(0); }
  26%, 64% { transform: scaleX(1); }
  80%, 100% { transform: scaleX(0); transform-origin: 100% 50%; }
}
.gate-card.ok .gate-bar { animation: none; transform: scaleX(0); transition: transform .5s var(--ease); }
.gate-sub { color: var(--muted); font-size: 15.5px; line-height: 1.55; max-width: 44ch; margin-bottom: 36px; }
.gate-label { display: block; font: 500 11px/1 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--muted); margin-bottom: 10px; }
.gate-row { position: relative; display: flex; align-items: center; border-bottom: 1px solid var(--rule-2); }
.gate-row input {
  flex: 1; min-width: 0; border: 0; background: transparent; outline: none;
  font: 500 22px/1 var(--mono); letter-spacing: .32em; padding: 12px 0 14px; color: var(--ink);
}
.gate-go {
  flex: none; width: 44px; height: 44px; border: 0; border-radius: 50%; background: var(--ink); color: var(--paper);
  display: grid; place-items: center; cursor: pointer; transition: transform .25s var(--ease), background .25s;
}
.gate-go:hover { transform: translateX(3px); }
.gate-line { position: absolute; left: 0; right: 0; bottom: -1px; height: 2px; overflow: hidden; }
.gate-line i { position: absolute; inset: 0; background: var(--ink); transform-origin: 0 50%; transform: scaleX(var(--fill)); transition: transform .35s var(--ease), background .3s; }
.gate-card.busy .gate-line i { animation: busy 1s linear infinite; transform: none; background: linear-gradient(90deg, transparent, var(--ink), transparent); }
@keyframes busy { from { transform: translateX(-100%); } to { transform: translateX(100%); } }
.gate-card.ok .gate-line i { background: var(--safe); transform: scaleX(1); }
.gate-card.ok .gate-go { background: var(--safe); }
.gate-card.bad .gate-line i { background: var(--leak); }
.gate-card.bad .gate-row { animation: shake .45s var(--ease); }
@keyframes shake { 20% { transform: translateX(-9px); } 40% { transform: translateX(7px); } 60% { transform: translateX(-4px); } 80% { transform: translateX(2px); } }
.gate-msg { font-size: 13px; color: var(--muted); margin-top: 14px; min-height: 1.4em; }
.gate-card.bad .gate-msg { color: var(--leak); }
.gate-card.ok .gate-msg { color: var(--safe); }
.gate-foot { position: absolute; z-index: 2; bottom: 22px; left: 0; right: 0; text-align: center; font: 500 11px/1 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--faint); display: flex; gap: 10px; justify-content: center; align-items: center; margin: 0; }

/* ---------- nav ---------- */
.nav { position: fixed; top: 0; left: 0; right: 0; z-index: 60; background: rgba(253, 252, 248, .93); border-bottom: 1px solid transparent; transition: border-color .3s, background .3s; }
.nav.scrolled { border-bottom-color: var(--rule); }
.nav-in { height: 62px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; font: 500 12.5px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; white-space: nowrap; }
.brand svg { width: 26px; height: 26px; }
.nav-links { display: flex; gap: 2px; align-items: center; }
.nav-links a { position: relative; text-decoration: none; font-size: 14px; color: var(--muted); padding: 8px 11px; border-radius: 4px; transition: color .2s; }
.nav-links a:hover { color: var(--ink); }
.nav-links a.active { color: var(--ink); }
.nav-links a.active::after { content: ""; position: absolute; left: 11px; right: 11px; bottom: 2px; height: 1.5px; background: var(--ink); }
.nav-lock { margin-left: 8px; border: 1px solid var(--rule-2); background: transparent; border-radius: 4px; padding: 6px 10px; font: 500 11px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; cursor: pointer; color: var(--muted); }
.nav-lock:hover { color: var(--ink); border-color: var(--ink); }
.nav-progress { position: absolute; left: 0; bottom: -1px; height: 2px; width: 100%; background: var(--ink); transform-origin: 0 50%; transform: scaleX(0); }
.nav-toggle { display: none; border: 0; background: none; padding: 8px; cursor: pointer; }
@media (max-width: 1020px) {
  .nav-toggle { display: block; }
  .nav-links { position: absolute; top: 62px; left: 0; right: 0; flex-direction: column; align-items: stretch; background: var(--paper); border-bottom: 1px solid var(--rule); padding: 8px 16px 16px; display: none; }
  .nav.open .nav-links { display: flex; }
  .nav-links a { padding: 12px 4px; border-bottom: 1px solid var(--rule); font-size: 15px; }
  .nav-links a.active::after { display: none; }
  .nav-lock { margin: 12px 0 0; align-self: flex-start; }
}

/* ---------- reveal ---------- */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity 1s var(--ease), transform 1s var(--ease); transition-delay: calc(var(--d, 0) * 90ms); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } html { scroll-behavior: auto; } }

/* ---------- buttons ---------- */
.btn { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font: 500 15px/1 var(--sans); padding: 15px 20px; border-radius: 4px; background: var(--ink); color: var(--paper); border: 0; cursor: pointer; transition: transform .25s var(--ease), background .25s, box-shadow .25s; }
.btn:hover { transform: translateY(-2px); background: #000; }
.btn .arr { transition: transform .25s var(--ease); }
.btn:hover .arr { transform: translateX(3px); }
.btn.ghost { background: transparent; color: var(--ink); box-shadow: inset 0 0 0 1px var(--rule-2); }
.btn.ghost:hover { box-shadow: inset 0 0 0 1px var(--ink); }

/* ---------- hero ---------- */
.hero { position: relative; min-height: 100svh; padding: 112px 0 56px; display: flex; flex-direction: column; justify-content: center; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.08fr .92fr; gap: clamp(28px, 5vw, 72px); align-items: center; }
.hero h1 { max-width: 15ch; }
.hero h1 .w-priv { color: var(--safe); font-style: italic; }
.hero h1 .w-pers { color: var(--t-a); font-style: italic; position: relative; white-space: nowrap; }
.hero h1 .w-pers svg { position: absolute; left: -2%; width: 104%; bottom: -0.16em; height: .3em; overflow: visible; }
.hero h1 .w-pers path { fill: none; stroke: var(--t-a); stroke-width: 3; stroke-linecap: round; stroke-dasharray: 520; stroke-dashoffset: 520; transition: stroke-dashoffset 1.6s var(--ease) .9s; }
.hero h1.in .w-pers path { stroke-dashoffset: 0; }
.hero-title { font-size: 15.5px; line-height: 1.55; color: var(--muted); max-width: 56ch; border-left: 2px solid var(--rule-2); padding: 2px 0 2px 16px; margin: 30px 0 0; }
.hero-title b { display: block; font: 500 10.5px/1 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--faint); margin-bottom: 8px; }
.hero-pi { margin: 22px 0 0; font-size: 14.5px; color: var(--ink-2); display: flex; flex-wrap: wrap; gap: 6px 12px; align-items: center; }
.hero-pi .dot-sep { color: var(--faint); }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 34px; }
.hero-fig { margin: 0; position: relative; }
.plane-wrap { position: relative; width: 100%; max-width: 560px; aspect-ratio: 1 / 1; margin-left: auto; }
.plane-wrap canvas { width: 100%; height: 100%; }
.plane-read { position: absolute; left: 0; top: 2%; font: 500 11.5px/1.75 var(--mono); color: var(--muted); background: rgba(253, 252, 248, .9); padding: 8px 10px; border-left: 2px solid var(--ink); }
.plane-read b { color: var(--ink); font-weight: 500; }
.plane-read .k { display: inline-block; width: 74px; color: var(--faint); }
.plane-cap { font-size: 12.5px; color: var(--muted); margin: 10px 0 0 auto; max-width: 560px; text-align: right; }
.chip {
  position: absolute; z-index: 2; display: inline-flex; align-items: center; gap: 7px; white-space: nowrap;
  font: 500 11.5px/1 var(--mono); padding: 7px 11px 7px 9px; background: var(--card); border: 1px solid var(--rule);
  border-radius: 999px; box-shadow: var(--shadow); color: var(--ink-2);
  animation: float var(--dur, 7s) ease-in-out infinite; animation-delay: var(--delay, 0s);
}
.chip i { width: 8px; height: 8px; border-radius: 50%; background: var(--c, var(--ink)); }
@keyframes float { 0%, 100% { translate: 0 0; } 50% { translate: 0 -11px; } }
@media (prefers-reduced-motion: reduce) { .chip { animation: none; } }
.stats { display: grid; grid-template-columns: repeat(5, 1fr); border-top: 1px solid var(--ink); margin-top: clamp(40px, 6vw, 72px); }
.stat { padding: 18px 18px 0 0; }
.stat + .stat { padding-left: 18px; border-left: 1px solid var(--rule); }
.stat b { display: block; font: 400 clamp(2rem, 3.4vw, 2.9rem)/1 var(--serif); letter-spacing: -.02em; }
.stat > span { display: block; font-size: 13px; color: var(--muted); margin-top: 8px; line-height: 1.4; }
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; }
  .plane-wrap { margin: 0 auto; max-width: 480px; }
  .plane-cap { text-align: center; margin: 10px auto 0; }
  .stats { grid-template-columns: repeat(3, 1fr); }
  .stat:nth-child(4) { border-left: 0; padding-left: 0; }
  .stat { padding-bottom: 16px; }
}
@media (max-width: 560px) {
  .stats { grid-template-columns: 1fr 1fr; }
  .stat:nth-child(odd) { border-left: 0; padding-left: 0; }
  .stat:nth-child(even) { border-left: 1px solid var(--rule); padding-left: 16px; }
  .chip { font-size: 10.5px; padding: 6px 9px 6px 8px; }
}

/* ---------- sections ---------- */
.sec { position: relative; padding: clamp(84px, 11vw, 150px) 0; }
.sec.alt { background: var(--paper-2); }
.sec.rule-top { border-top: 1px solid var(--rule); }
.sec-head { display: grid; grid-template-columns: 170px minmax(0, 1fr); gap: 28px; margin-bottom: clamp(44px, 6vw, 72px); }
.sec-num { font: 500 12.5px/1 var(--mono); color: var(--ink); padding-top: 14px; border-top: 1px solid var(--ink); width: 130px; height: max-content; letter-spacing: .04em; }
.sec-num span { display: block; color: var(--faint); margin-top: 6px; font-size: 11px; letter-spacing: .1em; text-transform: uppercase; }
.sec-head h2 { max-width: 21ch; }
.lede { font-size: clamp(1.07rem, 1.35vw, 1.22rem); line-height: 1.58; color: var(--ink-2); max-width: 64ch; margin: 22px 0 0; }
@media (max-width: 820px) { .sec-head { grid-template-columns: 1fr; gap: 16px; } }
.body-cols { display: grid; grid-template-columns: 170px minmax(0, 1fr); gap: 28px; }
.body-cols > .side { font: 500 11.5px/1.5 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); padding-top: 4px; }
@media (max-width: 820px) { .body-cols { grid-template-columns: 1fr; gap: 10px; } }

/* citations */
.cite {
  border: 0; background: none; padding: 0 1px; margin: 0; cursor: pointer;
  font: 500 .74em/1 var(--mono); color: var(--accent); vertical-align: .12em; letter-spacing: -.01em; white-space: nowrap;
  border-bottom: 1px dotted rgba(30, 77, 123, .45);
}
.cite:hover { color: var(--ink); border-bottom-color: var(--ink); }
.cite-pop {
  position: absolute; z-index: 80; width: min(420px, calc(100vw - 32px)); background: var(--card); border: 1px solid var(--rule);
  box-shadow: 0 20px 50px -20px rgba(21, 23, 28, .35); border-radius: 6px; padding: 12px 14px; font-size: 13px; line-height: 1.5; color: var(--ink-2);
  opacity: 0; transform: translateY(4px); transition: opacity .18s, transform .18s; pointer-events: none;
}
.cite-pop.show { opacity: 1; transform: none; pointer-events: auto; }
.cite-pop div + div { margin-top: 9px; padding-top: 9px; border-top: 1px solid var(--rule); }
.cite-pop b { font: 500 11px/1 var(--mono); color: var(--accent); margin-right: 6px; }
.cite-pop a { color: var(--accent); }

/* ---------- demo (Fig. 1) ---------- */
.demo { display: grid; grid-template-columns: 250px minmax(0, 1fr) 270px; gap: 0; background: var(--card); border: 1px solid var(--rule); border-radius: 10px; box-shadow: var(--shadow); overflow: hidden; }
.demo > div { padding: 26px 24px; }
.demo-controls { border-right: 1px solid var(--rule); background: #FEFDFB; display: flex; flex-direction: column; gap: 26px; }
.demo-read { border-left: 1px solid var(--rule); background: #FEFDFB; display: flex; flex-direction: column; gap: 20px; }
.ctl-label { display: flex; justify-content: space-between; align-items: baseline; font: 500 11px/1.3 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); margin-bottom: 10px; }
.ctl-label output { font-size: 15px; letter-spacing: 0; color: var(--ink); }
.persona-pill { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; line-height: 1.4; color: var(--ink-2); }
.persona-pill i { flex: none; width: 10px; height: 10px; border-radius: 50%; background: var(--t-a); margin-top: 5px; box-shadow: 0 0 0 4px #F7E0D7; }
input[type=range] { -webkit-appearance: none; appearance: none; width: 100%; height: 24px; background: transparent; cursor: pointer; margin: 0; }
input[type=range]::-webkit-slider-runnable-track { height: 3px; background: linear-gradient(90deg, var(--t-a) 0 var(--p, 0%), var(--rule-2) var(--p, 0%)); border-radius: 2px; }
input[type=range]::-moz-range-track { height: 3px; background: var(--rule-2); border-radius: 2px; }
input[type=range]::-moz-range-progress { height: 3px; background: var(--t-a); }
input[type=range]::-webkit-slider-thumb { -webkit-appearance: none; width: 18px; height: 18px; border-radius: 50%; background: var(--card); border: 2px solid var(--ink); margin-top: -7.5px; box-shadow: 0 2px 6px rgba(0, 0, 0, .12); transition: transform .15s; }
input[type=range]::-moz-range-thumb { width: 14px; height: 14px; border-radius: 50%; background: var(--card); border: 2px solid var(--ink); }
input[type=range]:active::-webkit-slider-thumb { transform: scale(1.15); }
.ticks { display: flex; justify-content: space-between; font: 500 10.5px/1 var(--mono); color: var(--faint); margin-top: 4px; padding: 0 3px; }
.seg { display: grid; gap: 6px; }
.seg button { text-align: left; border: 1px solid var(--rule); background: var(--card); border-radius: 6px; padding: 11px 12px 11px 34px; font-size: 13.5px; line-height: 1.3; cursor: pointer; position: relative; color: var(--ink-2); transition: border-color .2s, background .2s; }
.seg button::before { content: ""; position: absolute; left: 12px; top: 50%; width: 12px; height: 12px; margin-top: -6px; border-radius: 50%; border: 1.5px solid var(--rule-2); transition: all .2s; }
.seg button[aria-checked=true] { border-color: var(--ink); color: var(--ink); }
.seg button[data-mode=steer][aria-checked=true]::before { border-color: var(--leak); background: radial-gradient(circle, var(--leak) 0 3px, transparent 3.5px); }
.seg button[data-mode=til][aria-checked=true]::before { border-color: var(--safe); background: radial-gradient(circle, var(--safe) 0 3px, transparent 3.5px); }
.seg button small { display: block; font-size: 11.5px; color: var(--muted); margin-top: 2px; }
.autoplay { margin-top: auto; display: inline-flex; align-items: center; gap: 10px; border: 0; background: none; cursor: pointer; font: 500 11px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); padding: 0; }
.autoplay .ap-ring { width: 26px; height: 26px; border-radius: 50%; border: 1px solid var(--rule-2); display: grid; place-items: center; position: relative; }
.autoplay .ap-ring svg { position: absolute; inset: -1px; width: 26px; height: 26px; transform: rotate(-90deg); }
.autoplay .ap-ring circle { fill: none; stroke: var(--ink); stroke-width: 1.5; stroke-dasharray: 76; stroke-dashoffset: calc(76 - 76 * var(--t, 0)); }
.autoplay .ap-glyph { width: 8px; height: 9px; display: block; border-left: 2.5px solid var(--ink); border-right: 2.5px solid var(--ink); }
.autoplay[aria-pressed=false] .ap-glyph { border: 0; width: 0; height: 0; border-left: 8px solid var(--ink); border-top: 5px solid transparent; border-bottom: 5px solid transparent; margin-left: 2px; }
.autoplay:hover { color: var(--ink); }
.demo-chat { display: flex; flex-direction: column; gap: 14px; min-height: 470px; }
.shared-tag { font: 500 10.5px/1 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); display: flex; align-items: center; gap: 10px; }
.shared-tag::after { content: ""; flex: 1; height: 1px; background: var(--rule); }
.msg { border-radius: 10px; padding: 13px 16px 14px; font-size: 15px; line-height: 1.55; }
.msg .who { display: block; font: 500 10.5px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); margin-bottom: 8px; }
.msg p { margin: 0; }
.msg.user { background: var(--paper-2); max-width: 92%; }
.msg.user.earlier { position: relative; }
.msg mark.conf { background: none; color: inherit; border-bottom: 1.5px dashed var(--leak); padding: 0 1px; }
.conf-note { display: inline-flex; align-items: center; gap: 6px; margin-top: 8px; font: 500 10.5px/1 var(--mono); letter-spacing: .06em; color: var(--leak); }
.conf-note::before { content: ""; width: 7px; height: 7px; border: 1.5px solid var(--leak); border-radius: 2px; }
.msg.assistant { border: 1px solid var(--rule); background: var(--card); margin-left: auto; width: 96%; min-height: 168px; position: relative; transition: border-color .4s; }
.msg.assistant.leaky { border-color: rgba(212, 71, 42, .5); }
.msg.assistant.kept { border-color: rgba(34, 113, 90, .45); }
.msg.assistant .who em { font-style: normal; color: var(--faint); }
.reply-text { font-family: var(--serif); font-size: 17.5px; line-height: 1.55; min-height: 5.4em; }
.reply-text mark { border-radius: 2px; padding: 0 2px; transition: background .4s; }
.reply-text mark.leak { background: var(--leak-2); color: #A8321A; box-shadow: inset 0 -2px 0 var(--leak); }
.reply-text mark.partial { background: var(--amber-2); color: #8C5A0B; box-shadow: inset 0 -2px 0 var(--amber); }
.reply-text mark.safe { background: var(--safe-2); color: #175340; box-shadow: inset 0 -2px 0 var(--safe); }
.caret { display: inline-block; width: 2px; height: 1.05em; background: var(--ink); vertical-align: -.15em; margin-left: 1px; animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.verdict { display: flex; gap: 10px; align-items: flex-start; margin-top: 14px; padding-top: 12px; border-top: 1px dashed var(--rule); font-size: 13px; line-height: 1.45; color: var(--muted); opacity: 0; transform: translateY(4px); transition: opacity .4s, transform .4s; }
.verdict.show { opacity: 1; transform: none; }
.verdict .vi { flex: none; width: 18px; height: 18px; border-radius: 50%; display: grid; place-items: center; font: 600 11px/1 var(--mono); color: #fff; margin-top: 1px; }
.verdict.bad { color: #A8321A; } .verdict.bad .vi { background: var(--leak); }
.verdict.warn { color: #8C5A0B; } .verdict.warn .vi { background: var(--amber); }
.verdict.good { color: #175340; } .verdict.good .vi { background: var(--safe); }
.verdict.neutral .vi { background: var(--faint); }
.meter-top { display: flex; justify-content: space-between; align-items: baseline; font: 500 11px/1.3 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); margin-bottom: 8px; }
.meter-top b { font-size: 15px; letter-spacing: 0; color: var(--ink); font-weight: 500; }
.bar { height: 8px; background: var(--paper-3); border-radius: 4px; overflow: hidden; }
.bar i { display: block; height: 100%; width: 0; background: var(--t-a); border-radius: 4px; transition: width .9s var(--ease); }
.bar.leak i { background: var(--leak); }
.bar.leak.kept i { background: var(--safe); }
.spark-wrap { border-top: 1px solid var(--rule); padding-top: 16px; }
.spark-wrap .ctl-label { margin-bottom: 4px; }
#spark { width: 100%; height: auto; overflow: visible; }
.legend { display: flex; flex-wrap: wrap; gap: 6px 14px; font-size: 12px; color: var(--muted); }
.legend span { display: inline-flex; align-items: center; gap: 6px; }
.legend i { width: 14px; height: 2.5px; border-radius: 2px; background: var(--c); display: inline-block; }
.legend i.dash { background: repeating-linear-gradient(90deg, var(--c) 0 4px, transparent 4px 7px); }
.legend i.dot { width: 8px; height: 8px; border-radius: 50%; }
@media (max-width: 1080px) {
  .demo { grid-template-columns: 1fr 1fr; }
  .demo-chat { grid-column: 1 / -1; order: -1; border-bottom: 1px solid var(--rule); min-height: 0; }
  .demo-controls { border-right: 1px solid var(--rule); }
  .demo-read { border-left: 0; }
}
@media (max-width: 680px) {
  .demo { grid-template-columns: 1fr; }
  .demo > div { padding: 22px 18px; }
  .demo-controls { border-right: 0; border-bottom: 1px solid var(--rule); }
  .msg.user, .msg.assistant { max-width: 100%; width: 100%; }
}

/* ---------- why ---------- */
.why-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; border-top: 1px solid var(--ink); }
.why-col { padding: 28px 28px 8px 0; }
.why-col + .why-col { padding-left: 28px; border-left: 1px solid var(--rule); }
.why-col .ill { height: 120px; margin-bottom: 22px; }
.why-col .ill svg { height: 100%; width: auto; }
.why-col h3 { margin-bottom: 14px; }
.why-col p { font-size: 15.5px; color: var(--ink-2); }
.n-label { font: 500 11px/1 var(--mono); color: var(--faint); letter-spacing: .1em; display: block; margin-bottom: 12px; }
@media (max-width: 900px) {
  .why-grid { grid-template-columns: 1fr; }
  .why-col, .why-col + .why-col { padding: 28px 0 8px; border-left: 0; border-top: 1px solid var(--rule); }
  .why-col:first-child { border-top: 0; }
}
.pull { margin: clamp(56px, 8vw, 96px) 0 0; display: grid; grid-template-columns: 170px minmax(0, 1fr); gap: 28px; }
.pull blockquote { margin: 0; font: 400 clamp(1.6rem, 3vw, 2.5rem)/1.2 var(--serif); letter-spacing: -.015em; max-width: 30ch; }
.pull blockquote em { color: var(--muted); }
.pull blockquote .hl { background: linear-gradient(transparent 62%, #F6E2B4 62%, #F6E2B4 92%, transparent 92%); background-size: 0 100%; background-repeat: no-repeat; transition: background-size 1.4s var(--ease) .4s; }
.pull.in blockquote .hl { background-size: 100% 100%; }
@media (max-width: 820px) { .pull { grid-template-columns: 1fr; gap: 12px; } }
.reasons { margin-top: 48px; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.reason { border: 1px solid var(--rule); border-radius: 8px; padding: 20px 20px 16px; background: var(--card); }
.reason b { display: block; font: 500 11px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); margin-bottom: 10px; }
.reason p { font-size: 15px; margin: 0; color: var(--ink-2); }
@media (max-width: 900px) { .reasons { grid-template-columns: 1fr; } }

/* ---------- landscape ---------- */
.ledger { border-top: 1px solid var(--ink); }
.ledger-row { display: grid; grid-template-columns: 210px minmax(0, 1fr) 200px; gap: 28px; padding: 26px 0; border-bottom: 1px solid var(--rule); align-items: start; }
.ledger-row h4 { font-size: 1.22rem; }
.ledger-row p { margin: 0; font-size: 15.5px; color: var(--ink-2); }
.gap-chip { justify-self: start; display: inline-flex; gap: 8px; align-items: center; font: 500 11px/1.35 var(--mono); letter-spacing: .04em; color: var(--leak); border: 1px dashed rgba(212, 71, 42, .55); border-radius: 4px; padding: 7px 10px; background: #FFF8F5; }
.gap-chip::before { content: ""; flex: none; width: 10px; height: 1.5px; background: var(--leak); }
@media (max-width: 900px) { .ledger-row { grid-template-columns: 1fr; gap: 10px; } }
.channels { margin-top: clamp(56px, 8vw, 88px); }
.channels-head { display: flex; justify-content: space-between; align-items: end; gap: 24px; margin-bottom: 24px; flex-wrap: wrap; }
.ch-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.ch-card { background: var(--card); border: 1px solid var(--rule); border-radius: 10px; overflow: hidden; display: flex; flex-direction: column; }
.ch-card .ch-ill { background: #FEFDFB; border-bottom: 1px solid var(--rule); padding: 16px; aspect-ratio: 16 / 10; display: grid; place-items: center; }
.ch-card .ch-ill svg { width: 100%; height: 100%; overflow: visible; }
.ch-card .ch-body { padding: 18px 20px 20px; }
.ch-card h4 { margin-bottom: 8px; }
.ch-card p { font-size: 14.5px; color: var(--ink-2); margin: 0; }
.ch-card .ch-k { font: 500 10.5px/1 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); margin-bottom: 10px; display: block; }
@media (max-width: 900px) { .ch-grid { grid-template-columns: 1fr; } }
/* channel illustrations */
.svg-t { font: 500 9px var(--mono); fill: var(--muted); letter-spacing: .04em; }
.svg-s { font: italic 400 11.5px var(--serif); fill: var(--ink-2); }
.anim-canary { animation: canary 6s var(--ease) infinite; }
@keyframes canary { 0%, 18% { transform: translate(0, 0); opacity: 0; } 24% { opacity: 1; } 48%, 86% { transform: translate(152px, 10px); opacity: 1; } 96%, 100% { transform: translate(152px, 10px); opacity: 0; } }
.anim-canary-src { animation: canarysrc 6s var(--ease) infinite; }
@keyframes canarysrc { 0%, 16% { stroke-opacity: .25; } 24%, 86% { stroke-opacity: 1; } 100% { stroke-opacity: .25; } }
.anim-probe { animation: probe 6s linear infinite; }
@keyframes probe { 0% { opacity: 0; } 6%, 20% { opacity: 1; } 26%, 100% { opacity: .35; } }
.pkt { animation: pkt 6s var(--ease) infinite; }
@keyframes pkt {
  0% { transform: translateX(0); fill: var(--safe); opacity: 0; }
  6% { opacity: 1; }
  34%, 44% { transform: translateX(98px); fill: var(--safe); }
  50% { fill: var(--leak); }
  78%, 92% { transform: translateX(196px); fill: var(--leak); opacity: 1; }
  100% { transform: translateX(196px); fill: var(--leak); opacity: 0; }
}
.warn-ring { animation: warnring 6s ease-out infinite; transform-origin: 248px 78px; transform-box: view-box; }
@keyframes warnring { 0%, 76% { opacity: 0; transform: scale(.6); } 82% { opacity: 1; transform: scale(1); } 92% { opacity: .9; } 100% { opacity: 0; transform: scale(1.3); } }
.ctx-link2 { animation: ctxlink 6s linear infinite; }
@keyframes ctxlink { 0%, 44% { stroke: var(--rule-2); } 52%, 92% { stroke: var(--leak); } 100% { stroke: var(--rule-2); } }
.inf-tag { opacity: 0; animation: inftag 7s var(--ease) infinite; animation-delay: var(--d, 0s); }
@keyframes inftag { 0%, 8% { opacity: 0; transform: translateX(-8px); } 16%, 82% { opacity: 1; transform: none; } 92%, 100% { opacity: 0; } }
.inf-scan { animation: infscan 7s linear infinite; }
@keyframes infscan { 0% { transform: translateY(0); opacity: 0; } 4% { opacity: .7; } 40% { transform: translateY(70px); opacity: .7; } 46%, 100% { opacity: 0; transform: translateY(70px); } }
@media (prefers-reduced-motion: reduce) { .anim-canary, .pkt, .inf-tag, .inf-scan, .warn-ring { animation: none; opacity: 1; } }

/* ---------- gap → questions ---------- */
.rq-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.rq { position: relative; background: var(--card); border: 1px solid var(--rule); border-radius: 10px; padding: 26px 24px 22px; display: flex; flex-direction: column; }
.rq .missing { font: 500 11px/1.4 var(--mono); letter-spacing: .06em; color: var(--muted); padding-bottom: 16px; margin-bottom: 18px; border-bottom: 1px dashed var(--rule-2); }
.rq .missing span { color: var(--leak); }
.rq .verb { font: 400 clamp(2.4rem, 4vw, 3.4rem)/1 var(--serif); letter-spacing: -.02em; margin-bottom: 4px; }
.rq .rqn { font: 500 12px/1 var(--mono); color: var(--muted); margin-bottom: 16px; }
.rq p { font-size: 15.5px; color: var(--ink-2); }
.rq .wps { margin-top: auto; display: flex; gap: 6px; flex-wrap: wrap; padding-top: 10px; }
.wp-tag { font: 500 11px/1 var(--mono); padding: 6px 8px; border-radius: 4px; background: var(--bg); color: var(--fg); letter-spacing: .03em; }
.rq-sub { margin-top: 14px; display: grid; gap: 7px; }
.rq-sub div { display: flex; gap: 10px; font-size: 13.5px; color: var(--ink-2); line-height: 1.45; }
.rq-sub div b { flex: none; font: 500 11px/1.6 var(--mono); color: var(--muted); width: 16px; }
@media (max-width: 960px) { .rq-grid { grid-template-columns: 1fr; } }

/* ---------- hypothesis ---------- */
.hyp-box { position: relative; border: 1px solid var(--ink); border-radius: 2px; padding: clamp(26px, 4vw, 44px); background: var(--card); }
.hyp-box::before { content: "Central hypothesis"; position: absolute; top: -9px; left: 24px; background: var(--paper); padding: 0 10px; font: 500 11px/18px var(--mono); letter-spacing: .14em; text-transform: uppercase; }
.sec.alt .hyp-box::before { background: var(--paper-2); }
.hyp-box p.big { font: 400 clamp(1.4rem, 2.5vw, 2.05rem)/1.32 var(--serif); letter-spacing: -.01em; margin: 0; max-width: 54ch; }
.hyp-box p.big em { color: var(--leak); }
.braid-wrap { margin: 40px 0 8px; position: relative; }
.braid-wrap svg { width: 100%; height: auto; overflow: visible; }
.braid-labels { display: flex; justify-content: space-between; gap: 16px; font: 500 11px/1.4 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.braid-state b { color: var(--ink); font-weight: 500; }
.h-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; border-top: 1px solid var(--ink); margin-top: 40px; }
.h-item { padding: 24px 24px 4px 0; }
.h-item + .h-item { padding-left: 24px; border-left: 1px solid var(--rule); }
.h-item .hn { display: flex; align-items: baseline; gap: 12px; margin-bottom: 10px; }
.h-item .hn b { font: 400 2.3rem/1 var(--serif); }
.h-item .hn span { font: 500 11px/1 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.h-item p { font-size: 15px; color: var(--ink-2); }
.h-note { margin-top: 26px; font-size: 14.5px; color: var(--muted); max-width: 80ch; padding-left: 16px; border-left: 2px solid var(--safe); }
@media (max-width: 900px) { .h-grid { grid-template-columns: 1fr; } .h-item, .h-item + .h-item { padding: 22px 0 4px; border-left: 0; border-top: 1px solid var(--rule); } .h-item:first-child { border-top: 0; } }

/* ---------- programme ---------- */
.struct { background: var(--card); border: 1px solid var(--rule); border-radius: 10px; padding: 28px 24px 18px; overflow-x: auto; }
.struct svg { min-width: 760px; width: 100%; height: auto; }
.struct .flow-dot { fill: var(--ink); }
.box-t { font: 500 13px var(--sans); fill: var(--ink); }
.box-s { font: 400 11.5px var(--sans); fill: var(--muted); }
.box-n { font: 500 11px var(--mono); letter-spacing: .06em; }
.obj-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; margin-top: 44px; border-top: 1px solid var(--ink); }
.obj { padding: 22px 20px 0 0; }
.obj + .obj { padding-left: 20px; border-left: 1px solid var(--rule); }
.obj .on { font: 500 12px/1 var(--mono); color: var(--muted); }
.obj h4 { margin: 10px 0 12px; font-size: 1.15rem; }
.obj p { font-size: 14px; color: var(--ink-2); }
.obj .target { font-size: 13px; color: var(--muted); border-top: 1px dashed var(--rule-2); padding-top: 10px; }
.obj .target b { font: 500 10.5px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--ink); display: block; margin-bottom: 6px; }
@media (max-width: 1000px) { .obj-grid { grid-template-columns: 1fr 1fr; } .obj:nth-child(3) { border-left: 0; padding-left: 0; } .obj { padding-bottom: 12px; } }
@media (max-width: 600px) { .obj-grid { grid-template-columns: 1fr; } .obj, .obj + .obj { border-left: 0; padding-left: 0; border-top: 1px solid var(--rule); } .obj:first-child { border-top: 0; } }

/* work package chapters */
.wp { --fg: var(--wp1); --bg: var(--wp1-bg); padding: clamp(72px, 9vw, 120px) 0; border-top: 1px solid var(--rule); }
.wp.w1 { --fg: var(--wp1); --bg: var(--wp1-bg); }
.wp.w2 { --fg: var(--wp2); --bg: var(--wp2-bg); }
.wp.w3 { --fg: var(--wp3); --bg: var(--wp3-bg); }
.wp.w4 { --fg: var(--wp4); --bg: var(--wp4-bg); }
.wp.w5 { --fg: var(--wp5); --bg: var(--wp5-bg); }
.wp-head { display: grid; grid-template-columns: 170px minmax(0, 1fr) auto; gap: 28px; align-items: start; margin-bottom: 40px; }
.wp-id { font: 400 clamp(2.6rem, 4.5vw, 3.8rem)/.9 var(--serif); color: var(--fg); letter-spacing: -.02em; }
.wp-id small { display: block; font: 500 11px/1 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); margin-top: 12px; }
.wp-head h3 { font-size: clamp(1.7rem, 3vw, 2.5rem); line-height: 1.1; max-width: 22ch; }
.wp-head .obj-line { margin: 16px 0 0; font-size: 16px; color: var(--ink-2); max-width: 68ch; }
.wp-when { text-align: right; min-width: 200px; }
.wp-when b { display: block; font: 500 13px/1 var(--mono); color: var(--ink); margin-bottom: 10px; }
.wp-mini { position: relative; height: 8px; background: var(--paper-3); border-radius: 4px; width: 200px; margin-left: auto; }
.wp-mini i { position: absolute; top: 0; bottom: 0; background: var(--fg); border-radius: 4px; left: var(--s); width: var(--w); transform-origin: 0 50%; transform: scaleX(0); transition: transform 1.2s var(--ease) .2s; }
.wp.in .wp-mini i, .wp-head.in .wp-mini i { transform: scaleX(1); }
.wp-mini-scale { display: flex; justify-content: space-between; width: 200px; margin: 6px 0 0 auto; font: 500 9.5px/1 var(--mono); color: var(--faint); }
.wp-when .lead { font-size: 12.5px; color: var(--muted); margin-top: 12px; }
@media (max-width: 900px) {
  .wp-head { grid-template-columns: 1fr; gap: 14px; }
  .wp-when { text-align: left; }
  .wp-mini, .wp-mini-scale { margin-left: 0; }
}
.wp-body { display: grid; grid-template-columns: 170px minmax(0, 1fr); gap: 28px; }
.wp-body > .side { font: 500 11.5px/1.5 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
@media (max-width: 900px) { .wp-body { grid-template-columns: 1fr; gap: 0; } .wp-body > .side { display: none; } }
.panel { background: var(--card); border: 1px solid var(--rule); border-radius: 10px; overflow: hidden; }
.panel-head { display: flex; justify-content: space-between; gap: 16px; align-items: center; padding: 14px 20px; border-bottom: 1px solid var(--rule); background: #FEFDFB; flex-wrap: wrap; }
.panel-head .ttl { font: 500 11px/1.4 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--ink); display: flex; gap: 10px; align-items: center; }
.panel-head .ttl::before { content: ""; width: 8px; height: 8px; border-radius: 2px; background: var(--fg); }
.panel-head .note { font-size: 12px; color: var(--muted); }
.panel-body { padding: 22px 20px; }
.split { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: 18px; margin-top: 18px; }
.split.even { grid-template-columns: 1fr 1fr; }
@media (max-width: 960px) { .split, .split.even { grid-template-columns: 1fr; } }
.block { margin-top: 18px; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip-s { font: 500 11.5px/1.2 var(--mono); padding: 7px 9px; border-radius: 4px; background: var(--paper-2); color: var(--ink-2); border: 1px solid var(--rule); }
.chip-s.k { background: var(--bg); border-color: transparent; color: var(--ink); }
.method-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; }
.method-list li { display: grid; grid-template-columns: 28px minmax(0, 1fr); gap: 8px; font-size: 15px; color: var(--ink-2); }
.method-list li > b { font: 500 12px/1.65 var(--mono); color: var(--fg); }
.method-list li strong { color: var(--ink); font-weight: 600; }
.risks { display: grid; gap: 0; border-top: 1px solid var(--rule); }
.risk { display: grid; grid-template-columns: minmax(0, 1fr) 26px minmax(0, 1.2fr); gap: 10px; padding: 14px 0; border-bottom: 1px solid var(--rule); font-size: 14px; align-items: start; }
.risk .r { color: var(--ink); font-style: italic; font-family: var(--serif); font-size: 16px; line-height: 1.35; }
.risk .arrow { color: var(--faint); font-family: var(--mono); text-align: center; padding-top: 1px; }
.risk .m { color: var(--ink-2); }
@media (max-width: 600px) { .risk { grid-template-columns: 1fr; gap: 4px; } .risk .arrow { text-align: left; } }
.result { margin-top: 18px; display: flex; gap: 14px; align-items: flex-start; padding: 16px 18px; border-radius: 8px; background: var(--bg); font-size: 15px; color: var(--ink); }
.result b { flex: none; font: 500 10.5px/1.8 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--fg); }

/* WP1 trait explorer */
.traits { display: grid; gap: 4px; }
.trait-row { display: grid; grid-template-columns: minmax(0, 1fr) 120px minmax(0, 1fr); align-items: center; gap: 10px; }
.trait-row .nm { grid-column: 1 / -1; font: 500 10.5px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); margin-top: 10px; }
.pole { border: 1px solid var(--rule); background: var(--card); border-radius: 6px; padding: 9px 10px; font-size: 13.5px; line-height: 1.2; cursor: pointer; text-align: left; color: var(--ink-2); transition: border-color .2s, background .2s, color .2s; }
.pole.hi { text-align: right; }
.pole:hover { border-color: var(--c); }
.pole[aria-pressed=true] { border-color: var(--c); background: color-mix(in srgb, var(--c) 10%, white); color: var(--ink); }
.trait-track { position: relative; height: 2px; background: linear-gradient(90deg, color-mix(in srgb, var(--c) 30%, white), var(--c)); border-radius: 1px; }
.trait-track::before, .trait-track::after { content: ""; position: absolute; top: -3px; width: 8px; height: 8px; border-radius: 50%; background: var(--card); border: 1.5px solid var(--c); }
.trait-track::before { left: -4px; } .trait-track::after { right: -4px; background: var(--c); }
.trait-track i { position: absolute; top: -5px; width: 12px; height: 12px; margin-left: -6px; border-radius: 50%; background: var(--c); left: var(--x, 50%); transition: left .6s var(--ease); box-shadow: 0 0 0 3px var(--card); }
.pole-detail .pd-name { font: 400 1.6rem/1.15 var(--serif); margin-bottom: 4px; }
.pole-detail .pd-axis { font: 500 11px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); margin-bottom: 18px; }
.pd-k { font: 500 10.5px/1 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); margin: 18px 0 8px; display: block; }
.markers { display: flex; flex-wrap: wrap; gap: 6px; }
.markers span { font: italic 400 15px/1 var(--serif); padding: 6px 10px; border-radius: 999px; background: color-mix(in srgb, var(--c) 12%, white); color: var(--ink); }
.pd-prompt { font: 400 13px/1.55 var(--mono); background: var(--paper-2); border-radius: 6px; padding: 12px 14px; color: var(--ink-2); }
.pd-hyp { display: flex; gap: 10px; align-items: flex-start; padding: 12px 14px; border-radius: 6px; font-size: 14px; line-height: 1.45; }
.pd-hyp.up { background: var(--leak-2); color: #8F2C17; }
.pd-hyp.down { background: var(--safe-2); color: #175340; }
.pd-hyp.open { background: var(--paper-2); color: var(--muted); }
.pd-hyp .ar { font: 600 15px/1.2 var(--mono); }
.chan-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; }
.chan { padding: 18px 18px 18px 0; }
.chan + .chan { padding-left: 18px; border-left: 1px solid var(--rule); }
.chan h4 { font-size: 1.1rem; margin-bottom: 6px; }
.chan p { font-size: 13.5px; color: var(--ink-2); margin-bottom: 12px; }
.formula { font: 400 13.5px/1.4 var(--mono); color: var(--ink); background: var(--paper-2); padding: 9px 11px; border-radius: 4px; display: inline-block; }
.formula i { color: var(--t-a); font-style: normal; }
.alpha-meter { margin-top: 12px; display: flex; gap: 3px; align-items: flex-end; height: 34px; }
.alpha-meter i { flex: 1; background: var(--rule); border-radius: 2px 2px 0 0; transition: background .3s, height .5s var(--ease); height: calc(20% + var(--h) * 80%); }
.alpha-meter i.on { background: var(--fg); }
@media (max-width: 800px) { .chan-grid { grid-template-columns: 1fr; } .chan, .chan + .chan { padding: 16px 0; border-left: 0; border-top: 1px solid var(--rule); } .chan:first-child { border-top: 0; } }
.comp-sets { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; }
.comp { border: 1px dashed var(--rule-2); border-radius: 6px; padding: 12px 13px; font-size: 13px; color: var(--ink-2); line-height: 1.45; }
.comp b { display: block; font: 500 10.5px/1.3 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--ink); margin-bottom: 6px; }
.comp.x { opacity: .7; }
@media (max-width: 900px) { .comp-sets { grid-template-columns: 1fr 1fr; } }

/* WP2 */
.pl-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; }
.pl { padding: 4px 18px 4px 0; }
.pl + .pl { padding-left: 18px; border-left: 1px solid var(--rule); }
.pl .pln { font: 500 11px/1 var(--mono); color: var(--fg); letter-spacing: .1em; }
.pl h4 { margin: 8px 0 8px; font-size: 1.12rem; }
.pl p { font-size: 13.5px; color: var(--ink-2); }
.pl .metrics { font: 500 11.5px/1.6 var(--mono); color: var(--muted); border-top: 1px dashed var(--rule-2); padding-top: 8px; }
@media (max-width: 860px) { .pl-grid { grid-template-columns: 1fr; } .pl, .pl + .pl { padding: 14px 0; border-left: 0; border-top: 1px solid var(--rule); } .pl:first-child { border-top: 0; } }
.twins { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.twin { border: 1px solid var(--rule); border-radius: 8px; padding: 14px; font-size: 13.5px; line-height: 1.45; }
.twin .tk { font: 500 10px/1 var(--mono); letter-spacing: .12em; text-transform: uppercase; margin-bottom: 10px; display: block; }
.twin.d .tk { color: var(--leak); } .twin.b .tk { color: var(--accent); }
.twin q { display: block; font-family: var(--serif); font-size: 15px; color: var(--ink); margin-bottom: 10px; quotes: "“" "”"; }
.twin .ok { font-size: 12.5px; color: var(--muted); border-top: 1px dashed var(--rule); padding-top: 8px; }
.twin .ok b { color: var(--ink); font-weight: 600; }
.twin-hist { grid-column: 1 / -1; font-size: 13px; color: var(--muted); background: var(--paper-2); border-radius: 6px; padding: 10px 12px; }
@media (max-width: 560px) { .twins { grid-template-columns: 1fr; } }
.chart svg { width: 100%; height: auto; overflow: visible; }
.ax { stroke: var(--ink); stroke-width: 1; }
.grid-l { stroke: var(--rule); stroke-width: 1; }
.ax-t { font: 500 10px var(--mono); fill: var(--muted); letter-spacing: .04em; }
.ax-T { font: 500 10.5px var(--mono); fill: var(--ink); letter-spacing: .08em; }
.q-label { font: italic 400 14px var(--serif); fill: var(--muted); }
.q-label.good { fill: var(--safe); }
.pt-label { font: 500 10.5px var(--mono); fill: var(--ink); }
.drawline { fill: none; stroke-linecap: round; stroke-linejoin: round; }

/* WP3 */
.factors { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-bottom: 18px; }
.factor { display: inline-flex; flex-direction: column; gap: 4px; padding: 9px 12px; border-radius: 6px; border: 1px solid var(--rule); background: var(--card); transition: border-color .3s, background .3s; }
.factor b { font: 400 1.45rem/1 var(--serif); }
.factor span { font: 500 10px/1.2 var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.factor.lit { border-color: var(--fg); background: var(--bg); }
.times { font: 300 1.4rem/1 var(--serif); color: var(--faint); }
#designGrid { width: 100%; height: auto; display: block; }
.phase { display: flex; gap: 18px; flex-wrap: wrap; margin-top: 12px; font: 500 11px/1.4 var(--mono); color: var(--faint); letter-spacing: .04em; }
.phase span { display: inline-flex; gap: 8px; align-items: center; transition: color .3s; }
.phase span::before { content: ""; width: 9px; height: 9px; border-radius: 2px; background: var(--c, var(--rule-2)); }
.phase span.on { color: var(--ink); }

/* WP4 */
.geo { display: grid; grid-template-columns: minmax(0, 1fr) 230px; gap: 20px; align-items: center; }
.geo svg { width: 100%; height: auto; touch-action: none; user-select: none; -webkit-user-select: none; }
.geo .handle { cursor: grab; }
.geo .handle:active { cursor: grabbing; }
.geo-read { font: 500 12px/1.9 var(--mono); color: var(--muted); }
.geo-read b { color: var(--ink); font-weight: 500; }
.geo-read .row { display: flex; justify-content: space-between; border-bottom: 1px solid var(--rule); }
.geo-btns { display: grid; gap: 8px; margin-top: 16px; }
.geo-btns button { border: 1px solid var(--ink); background: var(--card); border-radius: 4px; padding: 10px 12px; font: 500 12.5px/1.2 var(--sans); cursor: pointer; text-align: left; transition: background .2s, color .2s; }
.geo-btns button:hover { background: var(--ink); color: var(--paper); }
.geo-btns button.sec-btn { border-color: var(--rule-2); color: var(--muted); }
.geo-btns button.sec-btn:hover { background: var(--paper-2); color: var(--ink); }
@media (max-width: 760px) { .geo { grid-template-columns: 1fr; } }
.geo.stacked { grid-template-columns: 1fr; gap: 14px; }
.geo.stacked svg { max-width: 380px; margin: 0 auto; }
.geo.stacked > div { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 8px 18px; align-items: start; }
.geo.stacked .geo-btns { margin-top: 0; }
.geo.stacked #gNote { grid-column: 1 / -1; margin: 4px 0 0 !important; }
@media (max-width: 480px) { .geo.stacked > div { grid-template-columns: 1fr; } }
.nc { text-transform: none; letter-spacing: 0; font-family: var(--serif); font-style: italic; font-size: 1.2em; font-weight: 400; }
.dd { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.dd th, .dd td { border-bottom: 1px solid var(--rule); padding: 11px 10px; text-align: left; vertical-align: top; }
.dd th { font: 500 10.5px/1.3 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); font-weight: 500; }
.dd td:first-child { font-family: var(--serif); font-size: 15px; color: var(--ink); width: 34%; }
.dd .chg { color: var(--leak); font-weight: 600; }
.dd .kept { color: var(--safe); font-weight: 600; }

/* WP5 TIL */
.til svg { width: 100%; height: auto; overflow: visible; }
.til .lay { fill: #F1EFEA; stroke: var(--rule-2); }
.til .lay-t { font: 500 12.5px var(--sans); fill: var(--ink-2); }
.til .tl { fill: var(--wp4-bg); stroke: var(--wp4); stroke-width: 1.5; }
.til .tl-t { font: 600 13px var(--sans); fill: #7A3510; }
.til .sig { stroke-width: 1.2; }
.til .sig-t { font: 500 11.5px var(--sans); fill: var(--ink-2); }
.til .lbl { font: 500 10.5px var(--mono); fill: var(--muted); }
.til .flow { fill: none; stroke: var(--rule-2); stroke-width: 1.4; }
.til .pulse-line { fill: none; stroke-width: 1.4; stroke-dasharray: 4 5; animation: dash 1.2s linear infinite; }
@keyframes dash { to { stroke-dashoffset: -18; } }
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--rule); margin-bottom: 16px; overflow-x: auto; scrollbar-width: none; }
.tabs::-webkit-scrollbar { display: none; }
.tabs button { border: 0; background: none; padding: 10px 12px; font-size: 13.5px; color: var(--muted); cursor: pointer; border-bottom: 2px solid transparent; margin-bottom: -1px; white-space: nowrap; }
.tabs button[aria-selected=true] { color: var(--ink); border-bottom-color: var(--fg); }
.tab-pane { display: none; grid-template-columns: 150px minmax(0, 1fr); gap: 18px; align-items: center; }
.tab-pane.on { display: grid; animation: fadein .5s var(--ease); }
.tab-pane svg { width: 100%; height: auto; }
.tab-pane p { font-size: 14px; color: var(--ink-2); margin: 0 0 8px; }
@keyframes fadein { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
@media (max-width: 560px) { .tab-pane.on { grid-template-columns: 1fr; } .tab-pane svg { max-width: 180px; } }
.success { border-left: 2px solid var(--fg); padding: 4px 0 4px 16px; font-size: 14.5px; color: var(--ink-2); }
.success b { display: block; font: 500 10.5px/1 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--fg); margin-bottom: 8px; }

/* ---------- timeline ---------- */
.tl-wrap { background: var(--card); border: 1px solid var(--rule); border-radius: 10px; padding: 26px 24px 20px; overflow-x: auto; }
.tl-inner { min-width: 720px; position: relative; }
.tl-grid { display: grid; grid-template-columns: 230px minmax(0, 1fr); }
.tl-scale { position: relative; height: 26px; border-bottom: 1px solid var(--ink); }
.tl-scale span { position: absolute; bottom: 7px; transform: translateX(-50%); font: 500 10.5px/1 var(--mono); color: var(--muted); }
.tl-row { display: contents; }
.tl-name { padding: 14px 16px 14px 0; font-size: 14px; line-height: 1.3; border-bottom: 1px solid var(--rule); display: flex; align-items: center; gap: 10px; transition: opacity .3s; }
.tl-name b { font: 500 11px/1 var(--mono); color: var(--fg); flex: none; width: 34px; }
.tl-lane { position: relative; border-bottom: 1px solid var(--rule); background-image: repeating-linear-gradient(90deg, transparent 0 calc(100% / 6 - 1px), var(--rule) calc(100% / 6 - 1px) calc(100% / 6)); }
.tl-bar { position: absolute; top: 50%; height: 22px; margin-top: -11px; left: var(--s); width: var(--w); background: var(--bg); border: 1.5px solid var(--fg); border-radius: 4px; transform-origin: 0 50%; transform: scaleX(0); transition: transform 1.2s var(--ease), background .3s; transition-delay: calc(var(--i) * 140ms); display: flex; align-items: center; padding: 0 8px; font: 500 10.5px/1 var(--mono); color: var(--fg); white-space: nowrap; overflow: hidden; }
.tl-wrap.in .tl-bar { transform: scaleX(1); }
.tl-bar.live { background: var(--fg); color: #fff; }
.tl-ms { position: absolute; top: 50%; left: var(--s); width: 10px; height: 10px; margin: -5px 0 0 -5px; transform: rotate(45deg); background: var(--ink); border: 2px solid var(--card); box-shadow: 0 0 0 1px var(--ink); opacity: 0; transition: opacity .4s; transition-delay: calc(var(--i) * 140ms + 900ms); z-index: 2; }
.tl-wrap.in .tl-ms { opacity: 1; }
.tl-head { position: absolute; top: 0; bottom: 0; width: 0; left: calc(230px + (100% - 230px) * var(--p, 0)); pointer-events: none; z-index: 3; }
.tl-head::before { content: ""; position: absolute; top: 18px; bottom: 0; left: -.5px; width: 1px; background: var(--leak); }
.tl-head span { position: absolute; top: -4px; left: 0; transform: translateX(-50%); font: 500 10.5px/1 var(--mono); background: var(--leak); color: #fff; padding: 4px 6px; border-radius: 3px; white-space: nowrap; }
.tl-foot { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 0; margin-top: 18px; }
.tl-ms-card { padding: 12px 14px 4px 0; font-size: 13px; color: var(--ink-2); line-height: 1.45; transition: opacity .3s; }
.tl-ms-card + .tl-ms-card { padding-left: 14px; border-left: 1px solid var(--rule); }
.tl-ms-card b { display: flex; gap: 8px; align-items: center; font: 500 11px/1 var(--mono); color: var(--ink); margin-bottom: 8px; }
.tl-ms-card b::before { content: ""; width: 8px; height: 8px; transform: rotate(45deg); background: var(--ink); }
.tl-ms-card.dim { opacity: .45; }
.tl-now { margin-top: 16px; font-size: 13px; color: var(--muted); display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.tl-now b { color: var(--ink); font-weight: 500; }
.tl-ctrl { border: 1px solid var(--rule-2); background: var(--card); border-radius: 4px; font: 500 11px/1 var(--mono); letter-spacing: .06em; text-transform: uppercase; padding: 7px 10px; cursor: pointer; color: var(--muted); }
.tl-ctrl:hover { color: var(--ink); border-color: var(--ink); }
.people { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; margin-top: 28px; }
.person { border-top: 1px solid var(--ink); padding-top: 16px; }
.person b { font: 500 11px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.person h4 { margin: 8px 0 6px; }
.person p { font-size: 14px; color: var(--ink-2); margin: 0; }
@media (max-width: 800px) { .people { grid-template-columns: 1fr; } }

/* ---------- impact ---------- */
.imp-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.imp { background: var(--card); border: 1px solid var(--rule); border-radius: 10px; padding: 24px 22px; }
.imp .ill { height: 64px; margin-bottom: 18px; }
.imp .ill svg { height: 100%; width: auto; }
.imp h4 { margin-bottom: 10px; font-size: 1.25rem; }
.imp p, .imp li { font-size: 14.5px; color: var(--ink-2); }
.imp ul { padding-left: 18px; margin: 0; }
.imp li + li { margin-top: 8px; }
.imp li::marker { color: var(--faint); }
@media (max-width: 900px) { .imp-grid { grid-template-columns: 1fr; } }

/* ---------- team ---------- */
.team { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 28px; }
.pi-card { background: var(--card); border: 1px solid var(--rule); border-radius: 10px; padding: 28px; }
.pi-card .mono-k { font: 500 11px/1 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.pi-card h3 { margin: 14px 0 6px; }
.pi-card .aff { color: var(--ink-2); font-size: 15px; margin-bottom: 22px; }
.pi-card dl { margin: 0; display: grid; grid-template-columns: 130px minmax(0, 1fr); gap: 10px 14px; font-size: 14px; border-top: 1px solid var(--rule); padding-top: 18px; }
.pi-card dt { font: 500 10.5px/1.6 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.pi-card dd { margin: 0; color: var(--ink-2); }
.prelim { display: grid; gap: 0; border-top: 1px solid var(--ink); }
.pre { padding: 20px 0; border-bottom: 1px solid var(--rule); display: grid; grid-template-columns: 46px minmax(0, 1fr); gap: 12px; }
.pre .pn { font: 400 1.9rem/1 var(--serif); color: var(--faint); }
.pre h4 { margin-bottom: 6px; }
.pre p { font-size: 14.5px; color: var(--ink-2); margin: 0; }
.pre .feeds { margin-top: 10px; display: flex; gap: 6px; flex-wrap: wrap; }
.hw { margin-top: 28px; display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.hw div { border: 1px solid var(--rule); border-radius: 8px; padding: 16px; background: var(--card); }
.hw b { display: block; font: 400 1.3rem/1.2 var(--serif); margin-bottom: 6px; }
.hw p { font-size: 13px; color: var(--muted); margin: 0; }
@media (max-width: 900px) { .team { grid-template-columns: 1fr; } }
@media (max-width: 520px) { .hw { grid-template-columns: 1fr; } .pi-card dl { grid-template-columns: 1fr; gap: 2px; } .pi-card dd { margin-bottom: 10px; } }

/* ---------- references ---------- */
.ref-tools { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; margin-bottom: 18px; }
.ref-tools input[type=search] { flex: 1; min-width: 220px; max-width: 420px; border: 1px solid var(--rule-2); background: var(--card); border-radius: 4px; padding: 11px 13px; font: 400 14px var(--sans); color: var(--ink); }
.ref-tools input[type=search]:focus { outline: none; border-color: var(--ink); }
.ref-tools input[type=checkbox] { accent-color: var(--ink); width: 15px; height: 15px; margin: 0; }
.ref-tools label { display: inline-flex; gap: 8px; align-items: center; font-size: 13.5px; color: var(--muted); cursor: pointer; }
.ref-tools .count { font: 500 11.5px/1 var(--mono); color: var(--faint); margin-left: auto; }
.ref-list { list-style: none; margin: 0; padding: 0; columns: 2; column-gap: 40px; }
.ref { break-inside: avoid; display: grid; grid-template-columns: 34px minmax(0, 1fr); gap: 6px; padding: 10px 0; border-top: 1px solid var(--rule); font-size: 13.5px; line-height: 1.5; color: var(--ink-2); transition: background .6s; }
.ref .ref-n { font: 500 11.5px/1.75 var(--mono); color: var(--faint); }
.ref a { color: var(--accent); word-break: break-word; }
.ref-own { display: inline-block; margin-left: 8px; font: 500 9.5px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--safe); border: 1px solid rgba(34, 113, 90, .4); padding: 3px 5px; border-radius: 3px; vertical-align: 1px; }
.ref.flash { background: #FCF0CF; }
.ref[hidden] { display: none; }
@media (max-width: 860px) { .ref-list { columns: 1; } }

/* ---------- footer ---------- */
.foot { border-top: 1px solid var(--ink); padding: 40px 0 56px; font-size: 13px; color: var(--muted); }
.foot-in { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; align-items: flex-start; }
.foot .big { font: 400 1.6rem/1.15 var(--serif); color: var(--ink); max-width: 24ch; margin-bottom: 10px; }
.foot a { color: var(--ink-2); }

/* small illustration motions */
.ill-persona .knobs circle { animation: knob var(--t, 6s) ease-in-out infinite alternate; }
@keyframes knob { to { transform: translateX(var(--a)); } }
.redact-pulse { transform-box: fill-box; transform-origin: 0 50%; animation: rpulse 5.5s var(--ease) infinite; }
@keyframes rpulse { 0%, 8% { transform: scaleX(.05); } 34%, 82% { transform: scaleX(1); } 100% { transform: scaleX(.05); } }
.venn .v-a, .venn .v-b { transition: transform 1.5s var(--ease) .3s; }
.venn .v-a { transform: translateX(-20px); }
.venn .v-b { transform: translateX(20px); }
.in .venn .v-a, .in .venn .v-b { transform: none; }
.venn .v-h { opacity: 0; transition: opacity .9s 1.4s; }
.in .venn .v-h { opacity: .3; }
.venn .q { opacity: 0; transition: opacity .6s 1.7s; }
.in .venn .q { opacity: 1; }
@media (prefers-reduced-motion: reduce) { .ill-persona .knobs circle, .redact-pulse { animation: none; } }
@media (max-width: 560px) {
  .trait-row { grid-template-columns: minmax(0, 1fr) 44px minmax(0, 1fr); gap: 8px; }
  .pole { font-size: 12.5px; padding: 8px 9px; overflow-wrap: anywhere; }
}