/* Lucidus Labs — F · Pale Yellow + Ochre.
   A technical specification sheet: fixed 264px metadata rail + wide content column, hairline rules,
   monochrome ink on pale yellow paper, ochre only inside the generated textures. */
:root {
  --paper: #FBF8E6;
  --ink: #0A0A0A;
  --body: #1F1F1F;
  --soft: #3D3D3D;
  --mute: #6B6B6B;
  --faint: #8A8A8A;
  --rule: #D6D2BF;
  --ochre: #CC8721;
  --white: #FFFFFF;
  --night-rule: #2A2A2A;
  --night-text: #B5B5B5;
  --font-display: "Inter Tight", "Helvetica Neue", Arial, sans-serif;
  --font-mono: "Geist Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
  --font-accent: "Instrument Serif", Georgia, "Times New Roman", serif;
  --rail: 264px;
  --gutter: 48px;
  --ease: cubic-bezier(.2,.7,.2,1);
  --ease-io: cubic-bezier(.65,0,.35,1);
  color-scheme: light;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--font-display); font-size: 16px; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
[hidden] { display: none !important; }
:focus-visible { outline: 1px solid var(--ink); outline-offset: 4px; }

.meta { font-family: var(--font-mono); font-size: 12px; letter-spacing: .02em; color: var(--mute); text-transform: uppercase; }
.meta.ink { color: var(--ink); }
.vh { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }

.wrap { padding-inline: var(--gutter); }
.grid { display: grid; grid-template-columns: var(--rail) minmax(0, 1fr); }

/* Nav */
.nav { display: grid; grid-template-columns: var(--rail) minmax(0,1fr); align-items: center; height: 72px; border-bottom: 1px solid var(--ink); }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 600; font-size: 17px; letter-spacing: -.02em; }
.brand i { width: 12px; height: 12px; background: var(--ink); display: block; transition: transform .6s var(--ease); }
.brand:hover i { transform: rotate(90deg); }
.nav-r { display: flex; justify-content: space-between; align-items: center; gap: 24px; }
.nav-links { display: flex; gap: 40px; }
.nav-link { position: relative; font-family: var(--font-mono); font-size: 12px; letter-spacing: .06em; color: var(--mute); transition: color .4s; white-space: nowrap; }
.nav-link::after { content: ""; position: absolute; left: 0; bottom: -6px; height: 1px; width: 0; background: var(--ink); transition: width .5s var(--ease); }
.nav-link:hover { color: var(--ink); }
.nav-link:hover::after { width: 100%; }
.nav-link.current { color: var(--ink); display: inline-flex; align-items: center; gap: 8px; }
.nav-link.current::before { content: ""; width: 5px; height: 5px; background: var(--ochre); }
.arr { display: inline-block; transition: transform .35s var(--ease); }
.go:hover .arr, .go:focus-visible .arr { transform: translateX(4px); }

/* Hero */
.hero-top { padding-block: 120px 72px; }
.hero-meta { display: flex; flex-direction: column; gap: 10px; padding-top: 18px; padding-right: 24px; }
h1 { margin: 0; font-weight: 450; font-size: clamp(44px, 6.8vw, 98px); line-height: .98; letter-spacing: -.05em; }
h1 .l { display: block; white-space: nowrap; }
h1 em { font-family: var(--font-accent); font-style: italic; font-weight: 400; font-size: 1.14em; letter-spacing: -.015em; line-height: .86; display: inline-block; }
.hero-bot { border-top: 1px solid var(--ink); padding-block: 28px 88px; }
.hero-bot-main { display: flex; justify-content: space-between; align-items: flex-start; gap: 32px; }
.lede { max-width: 500px; margin: 0; font-size: 20px; line-height: 30px; color: var(--body); }
.btn { display: inline-flex; align-items: center; gap: 14px; padding: 18px 24px; background: var(--ink); color: var(--paper); font-size: 16px; font-weight: 500; flex: none; }
.btn.light { background: var(--white); color: var(--ink); }

/* Email forms */
.mail { display: flex; flex-wrap: wrap; gap: 8px; flex: none; position: relative; max-width: 100%; }
.mail-in { width: 300px; max-width: 100%; height: 56px; padding: 0 20px; border: 1px solid var(--ink); border-radius: 0; background: transparent; color: var(--ink); font: 400 16px var(--font-display); outline: none; transition: box-shadow .4s var(--ease); -webkit-appearance: none; appearance: none; }
.mail-in::placeholder { color: var(--faint); }
.mail-in:focus-visible { box-shadow: inset 0 0 0 1px var(--ink); outline: none; }
.mail-btn { height: 56px; padding: 0 24px; border: 0; border-radius: 0; cursor: pointer; font-family: var(--font-display); }
.mail-btn[disabled] { opacity: .6; cursor: default; }
.mail-note { flex-basis: 100%; margin: 4px 0 0; }
.mail-done { margin: 0; min-height: 56px; display: flex; align-items: center; gap: 12px; font-size: 18px; line-height: 26px; color: var(--ink); }
.mail-done::before { content: ""; flex: none; width: 8px; height: 8px; background: var(--ochre); }
.mail.dark .mail-in { color: var(--paper); border-color: var(--faint); }
.mail.dark .mail-in:focus-visible { box-shadow: inset 0 0 0 1px var(--paper); border-color: var(--paper); }
.close .mail-note { color: var(--faint); }
.close .mail-done { color: var(--paper); }

/* Rotator */
.rot .label { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.tick { position: relative; display: block; width: 72px; height: 1px; background: var(--rule); overflow: hidden; }
.tick::after { content: ""; position: absolute; inset: 0; background: var(--ink); transform-origin: left; transform: scaleX(0); }
.tick.run::after { animation: tick var(--dur, 4200ms) linear forwards; }
@keyframes tick { to { transform: scaleX(1); } }
.rot-list { position: relative; }
.rot ul { list-style: none; margin: 0; padding: 0; }
.rot li { height: 26px; display: flex; align-items: center; padding-left: 24px; font-size: 16px; color: var(--faint); cursor: default; transition: color .9s ease, transform .9s var(--ease); }
.rot li.on { color: var(--ink); transform: translateX(2px); }
.rot .pointer { position: absolute; left: 0; top: 0; height: 26px; display: flex; align-items: center; font-family: var(--font-mono); font-size: 12px; color: var(--ochre);
  transform: translateY(calc(var(--i, 0) * 26px)); transition: transform .9s var(--ease-io); }

/* Generated textures */
.signal { position: relative; height: 180px; border-block: 1px solid var(--ink); }
.signal canvas, .own canvas, .dissolve canvas, .panel canvas, .tex > canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }

/* Sections */
section { position: relative; }
.sec { padding-block: 120px; }
.rail-n { display: flex; align-items: center; gap: 10px; }
.rail-n::after { content: ""; height: 1px; width: 0; background: currentColor; transition: width .6s var(--ease); }
section:hover .rail-n::after, section:focus-within .rail-n::after { width: 28px; }
.rail-stack { display: flex; flex-direction: column; gap: 10px; }
h2 { margin: 0; font-weight: 450; font-size: clamp(38px, 4.4vw, 64px); line-height: 1; letter-spacing: -.045em; text-wrap: balance; }
.approach { border-bottom: 1px solid var(--ink); }
.approach-main { display: flex; flex-direction: column; gap: 80px; min-width: 0; }
.approach-p { align-self: flex-end; max-width: 520px; margin: 0; font-size: 20px; line-height: 30px; color: var(--body); }

/* Lifecycle */
.life-head { display: flex; justify-content: space-between; gap: 16px; margin-bottom: 18px; }
.life-state { font-variant-numeric: tabular-nums; transition: color .4s; }
.life.has-active .life-state { color: var(--ink); }
.life-cv { display: block; width: 100%; height: 48px; image-rendering: pixelated; margin-bottom: 18px; }
.stages { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); list-style: none; margin: 0; padding: 0; }
.stage { cursor: default; outline-offset: 8px; }
.track { display: flex; align-items: center; height: 10px; }
.node { flex: none; width: 10px; height: 10px; background: var(--ink); transition: transform .5s var(--ease), opacity .5s; }
.seg { flex: 1; height: 1px; background: var(--ink); transition: height .5s var(--ease), opacity .5s; }
.seg.dash { height: 0; background: none; border-top: 1px dashed var(--ink); }
.loop { padding-left: 8px; font-family: var(--font-mono); font-size: 14px; line-height: 10px; display: inline-block; transition: transform 1.4s var(--ease-io), opacity .5s; }
.stage .num { display: block; margin-top: 20px; font-family: var(--font-mono); font-size: 12px; color: var(--mute); transition: color .4s, letter-spacing .5s var(--ease), opacity .5s; }
.stage .name { display: block; margin-top: 6px; font-size: 28px; font-weight: 500; letter-spacing: -.025em; transition: opacity .5s, transform .5s var(--ease); }
.stage .sub { display: block; margin-top: 10px; font-size: 17px; font-weight: 500; line-height: 24px; transition: opacity .5s; }
.stage .desc { display: block; margin-top: 8px; max-width: 290px; padding-right: 16px; font-size: 15px; line-height: 23px; color: var(--soft); transition: opacity .5s; }
.life.has-active .stage.next .name, .life.has-active .stage.next .num { opacity: .4; }
.life.has-active .stage.next .desc, .life.has-active .stage.next .sub { opacity: .5; }
.life.has-active .stage.next .node { transform: scale(.6); opacity: .35; }
.life.has-active .stage.next .seg, .life.has-active .stage.next .loop { opacity: .3; }
.life.has-active .stage.past .seg { height: 2px; }
.stage.on .node { transform: scale(1.5); }
.stage.on .num { color: var(--ink); letter-spacing: .08em; }
.stage.on .name { transform: translateX(3px); }
.stage.on .loop { transform: rotate(360deg); }

/* Delivery model */
.own { background: #EFECDB; border-bottom: 1px solid var(--ink); }
.own .grid { position: relative; z-index: 1; }
.own-text { display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.own-text p { margin: 0; font-weight: 450; font-size: clamp(34px, 4.7vw, 68px); line-height: 1.06; letter-spacing: -.045em; text-wrap: balance; }
.own-text p.soft { color: var(--mute); }

/* Applications */
.where-rail { display: flex; flex-direction: column; justify-content: space-between; gap: 48px; padding-right: 40px; }
.region { display: flex; flex-direction: column; gap: 10px; padding-top: 16px; border-top: 1px solid var(--ink); }
.region p { margin: 0; font-size: 15px; line-height: 22px; }
.where-main { display: flex; flex-direction: column; gap: 72px; min-width: 0; }
.areas { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); border-top: 1px solid var(--ink); }
.area { position: relative; display: flex; flex-direction: column; gap: 40px; padding: 24px 40px 40px 0; border-bottom: 1px solid var(--rule); }
.area:nth-child(odd) { border-right: 1px solid var(--rule); }
.area:nth-child(even) { padding-left: 40px; padding-right: 0; }
.area:nth-last-child(-n+2) { border-bottom: none; }
.area::before { content: ""; position: absolute; left: 0; top: -1px; height: 2px; width: 0; background: var(--ink); transition: width .8s var(--ease); }
.area:nth-child(even)::before { left: 40px; }
.area:hover::before { width: calc(100% - 40px); }
.area .idx { font-family: var(--font-mono); font-size: 12px; color: var(--mute); transition: transform .5s var(--ease), color .5s; }
.area:hover .idx { transform: translateX(4px); color: var(--ink); }
.area h3 { margin: 0 0 10px; font-size: 30px; font-weight: 500; letter-spacing: -.025em; }
.area p { margin: 0; font-size: 17px; line-height: 26px; color: var(--soft); max-width: 44ch; }

/* Dissolve + closing */
.dissolve { position: relative; height: 320px; }
.close { background: var(--ink); color: var(--paper); }
.close .sec { padding-block: 120px 140px; }
.close .rail-n { color: var(--paper); }
.close .meta { color: var(--faint); }
.close-main { display: flex; flex-direction: column; gap: 56px; min-width: 0; }
.close-main .big { margin: 0; max-width: 960px; font-weight: 450; font-size: clamp(32px, 3.4vw, 48px); line-height: 1.16; letter-spacing: -.035em; text-wrap: balance; }
.close-main .sub { margin: -28px 0 0; font-size: 20px; line-height: 30px; color: var(--night-text); }
.foot { display: grid; grid-template-columns: var(--rail) minmax(0,1fr); align-items: center; padding-block: 24px; border-top: 1px solid var(--night-rule); }
.close .foot .meta.ink { color: var(--paper); }
.foot.light { border-top-color: var(--ink); }

/* About */
.about-hero { display: grid; grid-template-columns: minmax(0,1fr) 400px; border-bottom: 1px solid var(--ink); }
.about-hero .hero-top { padding-block: 120px 88px; }
.about-hero h1 { font-size: clamp(40px, 5.3vw, 76px); line-height: 1.03; }
.about-hero .hero-bot { padding-block: 28px 96px; }
.about-lede { max-width: 560px; margin: 0; font-size: 20px; line-height: 30px; color: var(--body); }
.panel { position: relative; border-left: 1px solid var(--ink); min-height: 320px; }
.founders { display: flex; flex-direction: column; min-width: 0; }
.founder { display: grid; grid-template-columns: 132px 300px minmax(0,1fr); gap: 40px; padding-block: 32px 56px; border-top: 1px solid var(--rule); }
.founder:first-child { border-top-color: var(--ink); }
.founder:last-child { padding-bottom: 0; }
.founder .photo { display: block; width: 132px; height: 164px; overflow: hidden; background: #E9E6D4; }
.founder .photo img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease); }
.founder .photo:hover img { transform: scale(1.03); }
.founder .who { display: flex; flex-direction: column; gap: 10px; align-items: flex-start; }
.founder .name { margin: 0; font-size: 30px; font-weight: 500; line-height: 34px; letter-spacing: -.025em; }
.founder .name a { display: inline-flex; align-items: baseline; gap: 8px; background: linear-gradient(var(--ink), var(--ink)) no-repeat 0 100% / 0 1px; transition: background-size .5s var(--ease); }
.founder .name a:hover { background-size: 100% 1px; }
.founder .name .out { font-size: .7em; display: inline-block; transition: transform .35s var(--ease); }
.founder .name a:hover .out { transform: translate(2px, -2px); }
.founder .bio { margin: 0; font-size: 17px; line-height: 27px; color: var(--body); }


/* Nav: page links */
.nav-pages { display: flex; align-items: center; gap: 32px; }

/* Deployments */
.dep-hero .hero-top { padding-block: 88px 72px; }
.dep-head { display: flex; flex-direction: column; gap: 28px; min-width: 0; }
.dep-head .about-lede { max-width: 420px; }
.logo-slot { display: flex; align-items: center; justify-content: center; width: 132px; height: 64px; border: 1px dashed var(--ink); }
.logo-slot span { font-family: var(--font-mono); font-size: 10px; letter-spacing: .06em; color: var(--mute); }
.logo-slot.has-logo { border: none; height: 88px; justify-content: flex-start; align-items: flex-start; }
.logo-slot img { max-width: 100%; max-height: 100%; width: auto; height: auto; object-fit: contain; }
.dep-link { padding-top: 4px; text-transform: none; }
.founder.dep { scroll-margin-top: 24px; }

@media (max-width: 900px) {
  .nav-pages { gap: 20px; }
  .dep-hero .hero-top { padding-block: 64px 48px; }
}

@media (max-width: 1100px) {
  .about-hero { grid-template-columns: minmax(0,1fr) 300px; }
  .founder { grid-template-columns: 132px minmax(0,1fr); }
  .founder .bio { grid-column: 1 / -1; }
}
@media (max-width: 900px) {
  :root { --gutter: 20px; }
  .grid, .nav, .foot { grid-template-columns: minmax(0,1fr); }
  .nav { height: auto; padding-block: 18px; gap: 14px; }
  .nav-links { gap: 20px; flex-wrap: wrap; }
  .nav-r { flex-wrap: wrap; row-gap: 12px; }
  .hero-top, .about-hero .hero-top { padding-block: 64px 48px; gap: 28px; }
  .hero-meta { padding-top: 0; }
  h1 .l { white-space: normal; display: inline; }
  .hero-bot, .about-hero .hero-bot { gap: 28px; padding-block: 24px 56px; }
  .hero-bot-main { flex-direction: column; }
  .mail-in { flex: 1 1 200px; width: auto; }
  .sec { padding-block: 72px; }
  .close .sec { padding-block: 72px 88px; }
  .grid { gap: 28px; }
  .signal { height: 140px; }
  .approach-main { gap: 48px; }
  .approach-p { align-self: flex-start; }
  .stages { grid-template-columns: minmax(0,1fr); row-gap: 28px; }
  .stage .desc { max-width: none; }
  .areas { grid-template-columns: minmax(0,1fr); }
  .area, .area:nth-child(even) { padding: 24px 0 32px; border-right: none; border-bottom: 1px solid var(--rule); }
  .area:last-child { border-bottom: none; }
  .area:nth-child(even)::before { left: 0; }
  .area:hover::before { width: 100%; }
  .where-rail { padding-right: 0; }
  .where-main { gap: 40px; }
  .dissolve { height: 200px; }
  .foot { gap: 8px; }
  .about-hero { grid-template-columns: minmax(0,1fr); }
  .panel { border-left: none; border-top: 1px solid var(--ink); height: 220px; min-height: 0; }
}
@media (max-width: 520px) {
  .founder { grid-template-columns: minmax(0,1fr); gap: 20px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}