:root {
  --paper: #f4f0e7;
  --paper-deep: #e9e3d7;
  --ink: #171b1a;
  --muted: #60655f;
  --line: rgba(23, 27, 26, 0.18);
  --teal: #0b6b60;
  --teal-deep: #073f3a;
  --mint: #bce7c5;
  --pink: #cc5a7f;
  --amber: #e4a545;
  --purple: #6b3b76;
  --sans: "Manrope", system-ui, sans-serif;
  --serif: "Newsreader", Georgia, serif;
  --mono: "DM Mono", monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
img { max-width: 100%; display: block; }
button { font: inherit; }
.link-icon { width: 1.12rem; height: 1.12rem; flex: 0 0 auto; object-fit: contain; }

.page-loader {
  position: fixed; z-index: 1000; inset: 0; display: grid; place-items: center;
  overflow: hidden; pointer-events: none; background: var(--paper);
  animation: page-loader-exit 1.65s .08s cubic-bezier(.76, 0, .24, 1) forwards;
}
.page-loader::before {
  content: ""; position: absolute; inset: 0; opacity: .28;
  background-image: radial-gradient(rgba(23,27,26,.18) .75px, transparent .75px);
  background-size: 18px 18px;
  mask-image: radial-gradient(circle at center, black, transparent 68%);
}
.page-loader-brand { position: relative; display: flex; flex-direction: column; align-items: center; text-align: center; animation: page-loader-brand .65s cubic-bezier(.2,.8,.2,1) both; }
.page-loader-brand img { width: clamp(82px, 10vw, 126px); height: clamp(82px, 10vw, 126px); object-fit: contain; filter: drop-shadow(10px 12px 0 rgba(11,107,96,.09)); }
.page-loader-brand strong { margin-top: 1rem; font-family: var(--serif); font-size: clamp(2rem, 3.5vw, 3.25rem); font-weight: 600; line-height: 1; letter-spacing: -.035em; }
.page-loader-brand > span { margin-top: .55rem; color: var(--muted); font-family: var(--mono); font-size: .62rem; letter-spacing: .11em; text-transform: uppercase; }
.page-loader-brand > i { width: min(220px, 48vw); height: 2px; margin-top: 1.5rem; overflow: hidden; background: rgba(23,27,26,.12); }
.page-loader-brand > i > b { display: block; width: 100%; height: 100%; background: var(--teal); transform-origin: left; animation: page-loader-progress 1.05s .22s cubic-bezier(.65,0,.35,1) both; }
body > .site-header, body > main, body > footer { animation: page-content-enter .7s 1.05s cubic-bezier(.2,.8,.2,1) both; }

@keyframes page-loader-brand {
  from { opacity: 0; transform: translateY(16px) scale(.96); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes page-loader-progress {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}
@keyframes page-loader-exit {
  0%, 66% { visibility: visible; transform: translateY(0); }
  100% { visibility: hidden; transform: translateY(-100%); }
}
@keyframes page-content-enter {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

.skip-link {
  position: fixed; left: 1rem; top: -5rem; z-index: 100;
  background: var(--ink); color: white; padding: .75rem 1rem;
}
.skip-link:focus { top: 1rem; }

.site-header {
  height: 78px; padding: 0 clamp(1.25rem, 4vw, 4.75rem);
  display: grid; grid-template-columns: 1fr auto; align-items: center;
  border-bottom: 1px solid var(--line); background: rgba(244, 240, 231, .9);
  backdrop-filter: blur(14px); position: sticky; top: 0; z-index: 50;
}
.brand { display: inline-flex; align-items: center; gap: .65rem; font-weight: 700; text-decoration: none; letter-spacing: -.03em; }
.brand-logo { width: 34px; height: 34px; display: block; object-fit: contain; }
.header-actions { justify-self: end; display: flex; align-items: center; gap: clamp(.8rem, 2vw, 1.7rem); }
.header-link { display: inline-flex; align-items: center; gap: .42rem; text-decoration: none; font-size: .72rem; font-weight: 700; letter-spacing: .07em; text-transform: uppercase; }
.header-link:hover { color: var(--teal); }

.hero {
  min-height: calc(100vh - 78px); padding: clamp(4rem, 8vw, 7.5rem) clamp(1.25rem, 7vw, 8rem) 3rem;
  position: relative; display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(340px, .65fr); align-items: center; gap: 4vw; overflow: hidden;
}
.hero::before {
  content: ""; position: absolute; z-index: 0; inset: 0; pointer-events: none; opacity: .25;
  background-image: radial-gradient(rgba(23,27,26,.16) .75px, transparent .75px); background-size: 18px 18px;
  mask-image: linear-gradient(to right, transparent 0, black 58%, transparent 100%);
}
.hero-flow { position: absolute; z-index: 0; inset: 0; overflow: hidden; pointer-events: none; }
.hero-flow::before {
  content: ""; position: absolute; inset: -24%; opacity: .62; filter: blur(38px);
  background:
    radial-gradient(ellipse at 18% 52%, rgba(188,231,197,.34) 0 12%, transparent 38%),
    radial-gradient(ellipse at 67% 35%, rgba(11,107,96,.12) 0 10%, transparent 35%),
    radial-gradient(ellipse at 82% 74%, rgba(204,90,127,.09) 0 8%, transparent 30%);
  animation: hero-tide 13s ease-in-out infinite alternate;
}
.hero-flow span { position: absolute; left: -14%; width: 128%; height: 34%; border-radius: 50%; border-top: 1px solid rgba(11,107,96,.13); background: linear-gradient(to bottom, rgba(188,231,197,.09), transparent 46%); will-change: transform; }
.hero-flow span:nth-child(1) { top: 14%; animation: hero-wave 10.5s -2.5s ease-in-out infinite alternate; }
.hero-flow span:nth-child(2) { top: 43%; opacity: .72; border-color: rgba(107,59,118,.1); animation: hero-wave 13.5s -6s ease-in-out infinite alternate-reverse; }
.hero-flow span:nth-child(3) { top: 69%; opacity: .58; border-color: rgba(204,90,127,.1); animation: hero-wave 16s -9s ease-in-out infinite alternate; }
@keyframes hero-tide {
  0% { transform: translate3d(-2.5%, 1.5%, 0) rotate(-1deg) scale(1); }
  50% { transform: translate3d(3%, -2%, 0) rotate(1.5deg) scale(1.04); }
  100% { transform: translate3d(5%, 2%, 0) rotate(-.5deg) scale(1.01); }
}
@keyframes hero-wave {
  0% { transform: translate3d(-3%, 2%, 0) rotate(-2deg) scaleY(.86); }
  50% { transform: translate3d(1%, -3%, 0) rotate(1deg) scaleY(1.06); }
  100% { transform: translate3d(4%, 1%, 0) rotate(-1deg) scaleY(.93); }
}
.hero-copy { position: relative; z-index: 2; }
.eyebrow, .section-kicker {
  display: flex; align-items: center; gap: .6rem; margin: 0 0 1.5rem;
  font-family: var(--mono); font-size: .75rem; font-weight: 500; letter-spacing: .12em; text-transform: uppercase;
}
.dot { width: 8px; height: 8px; background: var(--pink); border-radius: 50%; box-shadow: 0 0 0 5px rgba(204,90,127,.13); }
h1, h2, h3, p { margin-top: 0; }
h1 { font-family: var(--serif); font-size: clamp(3.2rem, 5.6vw, 6.4rem); line-height: .94; letter-spacing: -.05em; margin-bottom: 2.1rem; font-weight: 600; }
.hero-title-line { display: inline-block; white-space: nowrap; }
.hero-deck { max-width: 760px; font-size: clamp(1rem, 1.35vw, 1.25rem); line-height: 1.75; color: #454b47; }
.authors { margin: 2rem 0 2.3rem; font-size: .82rem; font-weight: 700; line-height: 1.7; }
.authors span { display: block; color: var(--muted); font-weight: 500; }
.authors a { text-decoration-color: rgba(11,107,96,.35); text-underline-offset: .2em; }
.authors a:hover { color: var(--teal); text-decoration-color: currentColor; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: .8rem; }
.button {
  min-height: 49px; display: inline-flex; align-items: center; justify-content: center; gap: .7rem;
  padding: .75rem 1.25rem; border: 1px solid var(--ink); text-decoration: none; font-size: .82rem; font-weight: 700;
  transition: transform .2s, background .2s, color .2s;
}
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--ink); color: white; }
.button-primary:hover { background: var(--teal); border-color: var(--teal); }
.button-secondary:hover { background: white; }
.hero-visual { position: relative; z-index: 1; height: min(520px, 56vw); min-height: 390px; perspective: 1100px; }
.hero-logo-visual { min-height: 360px; display: grid; place-items: center; perspective: none; }
.hero-logo-visual img { width: min(78%, 380px); max-height: 380px; filter: drop-shadow(22px 28px 0 rgba(11,107,96,.08)); }
.field { position: absolute; width: 72%; aspect-ratio: 1; border: 1px solid rgba(255,255,255,.42); border-radius: 38% 62% 61% 39% / 42% 39% 61% 58%; transform-style: preserve-3d; }
.field-back { right: 3%; top: 2%; background: var(--pink); transform: rotateX(62deg) rotateZ(-34deg); opacity: .34; filter: blur(1px); }
.field-mid { right: 14%; top: 13%; background: var(--purple); transform: rotateX(62deg) rotateZ(-34deg) translateZ(45px); opacity: .52; }
.field-front { right: 25%; top: 23%; background: linear-gradient(145deg, var(--mint), #2fa990 55%, var(--teal-deep)); transform: rotateX(62deg) rotateZ(-34deg) translateZ(90px); box-shadow: 30px 50px 70px rgba(7,63,58,.2); overflow: hidden; }
.field-front::before, .field-front::after { content: ""; position: absolute; border-radius: 50%; filter: blur(18px); }
.field-front::before { width: 58%; height: 58%; left: 8%; top: 12%; background: var(--amber); opacity: .8; }
.field-front::after { width: 48%; height: 48%; right: 4%; bottom: 5%; background: var(--pink); opacity: .75; }
.field-grid { position: absolute; z-index: 2; inset: 0; opacity: .25; background-image: linear-gradient(rgba(255,255,255,.7) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.7) 1px, transparent 1px); background-size: 11% 11%; }
.latent-pill { position: absolute; right: 3%; bottom: 8%; z-index: 4; display: flex; align-items: center; gap: .7rem; padding: .65rem .8rem; background: var(--paper); border: 1px solid var(--ink); font-family: var(--mono); font-size: .64rem; text-transform: uppercase; letter-spacing: .04em; }
.latent-pill span:last-child { color: var(--teal); font-weight: 700; }
.axis { position: absolute; font-family: var(--mono); font-size: .7rem; color: var(--muted); }
.axis-x { bottom: 29%; left: 18%; }.axis-y { bottom: 23%; left: 26%; }.axis-z { bottom: 25%; left: 19%; }

.section { padding: clamp(5rem, 10vw, 10rem) clamp(1.25rem, 7vw, 8rem); }
.story-intro { width: 100%; background: #fbf8f1; }
.story-intro-lead { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(300px, .7fr); gap: clamp(1.5rem, 3vw, 3.5rem); align-items: center; }
.section-kicker { color: var(--teal); margin-bottom: 2rem; }
.section-kicker.light { color: var(--mint); }
.story-intro h2, .pivot h2, .online h2, .transfer h2, .outcomes > h2, .evidence h2, .method h2, .citation h2 {
  font-family: var(--serif); font-size: clamp(2.35rem, 3.8vw, 4.35rem); line-height: 1.04; letter-spacing: -.035em; font-weight: 500;
}
.story-intro h2 { max-width: 880px; }
.statement { font-family: var(--serif); font-style: italic; font-size: clamp(1.8rem, 2.8vw, 3.2rem); color: var(--pink); margin: 3.5rem 0 1.5rem; }
.body-large { max-width: 760px; color: #4d524f; font-size: clamp(1.05rem, 1.5vw, 1.3rem); line-height: 1.8; }
.ks-video { width: min(100%, 460px); margin: 0; justify-self: start; padding: .75rem; background: #fbf8f1; border: 1px solid var(--line); box-shadow: 18px 22px 0 var(--paper-deep); }
.ks-video video { display: block; width: 100%; height: auto; aspect-ratio: 364 / 266; background: var(--ink); }
.ks-video figcaption { margin: 1rem .25rem .2rem; color: var(--muted); font-size: .72rem; line-height: 1.6; }
.ks-video figcaption strong { display: block; margin-bottom: .25rem; color: var(--ink); font-family: var(--mono); font-size: .68rem; font-weight: 500; letter-spacing: .03em; }
.challenge-grid { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 5rem; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.challenge-grid article { padding: 2.4rem 2.4rem 2.5rem 0; display: grid; grid-template-columns: 34px 1fr; align-items: baseline; column-gap: .75rem; }
.challenge-grid article + article { border-left: 1px solid var(--line); padding-left: 2.4rem; }
.challenge-grid span, .outcome-index { font-family: var(--mono); color: var(--pink); font-size: .95rem; font-weight: 500; }
.method-steps > li > span { font-family: var(--mono); color: var(--pink); font-size: .7rem; }
.challenge-grid h3 { margin: 0 0 .6rem; font-size: 1.1rem; }
.challenge-grid p { grid-column: 2; color: var(--muted); font-size: .92rem; }

.pivot { position: relative; width: 100%; display: block; background: var(--paper-deep); }
.pivot-copy .body-large { max-width: none; }
.question-swap { margin: 3rem 0; }
.question { display: grid; grid-template-columns: 85px 1fr; padding: 1.4rem 0; border-top: 1px solid var(--line); align-items: baseline; }
.question:last-child { border-bottom: 1px solid var(--line); }
.question span { font-family: var(--mono); font-size: .65rem; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); }
.question s, .question strong { font-family: var(--serif); font-size: clamp(1.45rem, 2vw, 2.15rem); font-weight: 500; line-height: 1.25; }
.question s { color: #959991; text-decoration-thickness: 1px; }
.question.new strong { color: var(--teal); }
.vae-animation { width: 100%; margin: 3.5rem 0 0; padding: clamp(1.5rem, 3vw, 2.75rem); overflow: hidden; background: #fbf8f1; border: 1px solid var(--line); }
.vae-flow { display: grid; grid-template-columns: minmax(86px, 1fr) minmax(24px, .35fr) minmax(92px, .75fr) minmax(24px, .35fr) minmax(112px, 1fr) minmax(24px, .35fr) minmax(92px, .75fr) minmax(24px, .35fr) minmax(86px, 1fr); align-items: center; gap: clamp(.3rem, 1vw, 1rem); }
.vae-stage { min-width: 0; display: flex; flex-direction: column; align-items: center; text-align: center; }
.vae-stage > strong { margin-top: .85rem; font-size: .7rem; text-transform: uppercase; letter-spacing: .07em; }
.vae-stage > small { min-height: 1.2em; color: var(--muted); font-family: var(--mono); font-size: .62rem; }
.vae-field-card { position: relative; width: clamp(92px, 9.5vw, 140px); aspect-ratio: 1.12; overflow: visible; perspective: 420px; transform-style: preserve-3d; animation: vae-volume-float 3.8s ease-in-out infinite alternate; }
.vae-field-card::after { content: ""; position: absolute; z-index: -1; left: 22%; right: 16%; bottom: 3%; height: 12%; border-radius: 50%; background: rgba(7,63,58,.2); filter: blur(7px); transform: rotate(-7deg); }
.vae-field-plane { position: absolute; left: 14%; top: 9%; width: 72%; aspect-ratio: 1; border: 1px solid rgba(255,255,255,.52); background-image: linear-gradient(rgba(255,255,255,.34) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.34) 1px, transparent 1px), radial-gradient(circle at 30% 35%, rgba(228,165,69,.95) 0 13%, transparent 38%), radial-gradient(circle at 73% 67%, rgba(204,90,127,.92) 0 12%, transparent 38%), linear-gradient(145deg, var(--mint), #2fa990 58%, var(--teal-deep)); background-size: 20% 20%, 20% 20%, auto, auto, auto; box-shadow: 4px 7px 13px rgba(7,63,58,.12); transform-style: preserve-3d; }
.vae-plane-back { opacity: .38; transform: rotateX(58deg) rotateZ(-35deg) translateZ(-34px); }
.vae-plane-middle { opacity: .68; transform: rotateX(58deg) rotateZ(-35deg) translateZ(0); }
.vae-plane-front { transform: rotateX(58deg) rotateZ(-35deg) translateZ(34px); }
.vae-field-output { animation-delay: -1.9s; }
.vae-field-output .vae-field-plane { background-image: linear-gradient(rgba(255,255,255,.38) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.38) 1px, transparent 1px), radial-gradient(circle at 32% 38%, rgba(228,165,69,.82) 0 12%, transparent 37%), radial-gradient(circle at 70% 64%, rgba(204,90,127,.78) 0 11%, transparent 36%), linear-gradient(145deg, #c7ead0, #3ba68f 60%, #154e49); background-size: 20% 20%, 20% 20%, auto, auto, auto; }
.vae-module { width: clamp(86px, 8vw, 122px); height: clamp(88px, 8vw, 116px); display: flex; flex-direction: column; align-items: center; justify-content: center; color: white; background: var(--purple); filter: drop-shadow(7px 8px 0 rgba(107,59,118,.14)); }
.vae-module span { font-family: var(--serif); font-size: clamp(1rem, 1.5vw, 1.35rem); }
.vae-module small { color: rgba(255,255,255,.72); font-family: var(--mono); }
.vae-encoder { clip-path: polygon(0 0, 100% 22%, 100% 78%, 0 100%); }
.vae-decoder { clip-path: polygon(0 22%, 100% 0, 100% 100%, 0 78%); background: var(--pink); }
.vae-latent { position: relative; width: clamp(104px, 10vw, 148px); height: clamp(88px, 8vw, 116px); overflow: hidden; border: 1px dashed rgba(11,107,96,.5); border-radius: 50%; background: rgba(188,231,197,.28); }
.latent-axis { position: absolute; background: rgba(11,107,96,.25); }
.latent-axis-x { left: 10%; right: 10%; top: 50%; height: 1px; }
.latent-axis-y { top: 10%; bottom: 10%; left: 50%; width: 1px; }
.vae-latent i { position: absolute; left: var(--x); top: var(--y); width: 9px; height: 9px; margin: -4px 0 0 -4px; border-radius: 50%; background: var(--teal); box-shadow: 0 0 0 4px rgba(11,107,96,.1); animation: vae-sample 2.2s var(--d) ease-in-out infinite alternate; }
.vae-latent i:nth-of-type(even) { background: var(--pink); box-shadow: 0 0 0 4px rgba(204,90,127,.1); }
.vae-connector { position: relative; width: 100%; height: 1px; background: rgba(23,27,26,.28); transform: translateY(-1.15rem); }
.vae-connector::after { content: ""; position: absolute; right: -1px; top: -3px; width: 6px; height: 6px; border-top: 1px solid var(--ink); border-right: 1px solid var(--ink); transform: rotate(45deg); }
.vae-connector i { position: absolute; left: 0; top: -4px; width: 9px; height: 9px; border-radius: 50%; background: var(--amber); box-shadow: 0 0 0 4px rgba(228,165,69,.14); animation: vae-signal 2.8s var(--delay) linear infinite; }
.vae-animation figcaption { display: grid; grid-template-columns: minmax(160px, .35fr) 1fr; gap: 1.5rem; margin-top: 2rem; padding-top: 1rem; border-top: 1px solid var(--line); color: var(--muted); font-size: .72rem; }
.vae-animation figcaption span { color: var(--ink); font-family: var(--mono); text-transform: uppercase; letter-spacing: .08em; }

@keyframes vae-signal {
  0% { left: 0; opacity: 0; transform: scale(.65); }
  12% { opacity: 1; }
  82% { opacity: 1; }
  100% { left: calc(100% - 7px); opacity: 0; transform: scale(1); }
}
@keyframes vae-sample {
  from { transform: translate(-4px, 3px) scale(.78); opacity: .58; }
  to { transform: translate(5px, -4px) scale(1.15); opacity: 1; }
}
@keyframes vae-volume-float {
  from { transform: translateY(3px) rotate(-1deg); }
  to { transform: translateY(-5px) rotate(1deg); }
}

.online { background: var(--teal-deep); color: white; }
.online-heading { display: grid; grid-template-columns: 1.15fr .85fr; gap: 7vw; align-items: end; }
.online-title-block h2 { margin-bottom: 0; }
.online-heading > p { color: #b8c9c4; max-width: 600px; margin-bottom: .5rem; }
.stats-row { display: grid; grid-template-columns: repeat(4, 1fr); margin: 5rem 0; border-top: 1px solid rgba(255,255,255,.22); border-bottom: 1px solid rgba(255,255,255,.22); }
.stats-row > div { padding: 2rem 1.5rem 2rem 0; }
.stats-row > div + div { border-left: 1px solid rgba(255,255,255,.22); padding-left: 1.5rem; }
.stats-row strong { display: block; font-family: var(--serif); font-size: clamp(2.2rem, 3.4vw, 3.9rem); line-height: 1; color: var(--mint); font-weight: 500; }
.stats-row span { display: block; margin-top: .8rem; color: #b8c9c4; font-size: .72rem; text-transform: uppercase; letter-spacing: .07em; }
.online-animation { margin: 0; padding: clamp(1.25rem, 2.5vw, 2.5rem); overflow: hidden; background: #f9f8f4; color: var(--ink); }
.online-dataflow { display: grid; grid-template-columns: minmax(140px, 1.15fr) minmax(28px, .28fr) minmax(125px, .9fr) minmax(76px, .62fr) minmax(125px, .9fr) minmax(28px, .28fr) minmax(140px, 1fr) minmax(28px, .28fr) minmax(245px, 1.85fr); align-items: center; gap: clamp(.35rem, .75vw, .8rem); }
.online-node { min-width: 0; min-height: 210px; padding: 1rem; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; border: 1px solid var(--line); background: var(--paper); }
.online-step { align-self: stretch; margin-bottom: auto; color: var(--teal); font-family: var(--mono); font-size: .57rem; text-align: left; text-transform: uppercase; letter-spacing: .07em; }
.online-node > strong, .training-heading > strong { margin-top: .5rem; font-family: var(--serif); font-size: clamp(1.05rem, 1.4vw, 1.35rem); font-weight: 600; line-height: 1.1; }
.online-node > small, .training-heading > small { margin-top: .35rem; color: var(--muted); font-size: .58rem; line-height: 1.35; }
.torchfsm-link { width: 100%; margin: .2rem 0 .35rem; display: flex; flex-direction: column; align-items: center; color: var(--ink); text-decoration: none; }
.torchfsm-link img { width: clamp(58px, 5.5vw, 78px); height: clamp(58px, 5.5vw, 78px); object-fit: contain; transition: transform .2s ease; }
.torchfsm-link strong { font-family: var(--serif); font-size: clamp(1.05rem, 1.4vw, 1.35rem); line-height: 1; }
.torchfsm-link:hover { color: var(--teal); }
.torchfsm-link:hover img { transform: translateY(-3px) scale(1.03); }
.sim-status { display: flex; align-items: center; gap: .4rem; margin-top: auto; color: var(--teal); font-family: var(--mono); font-size: .52rem; text-transform: uppercase; }
.sim-status i { width: 7px; height: 7px; border-radius: 50%; background: var(--teal); box-shadow: 0 0 0 4px rgba(11,107,96,.12); animation: online-status 1.4s ease-in-out infinite; }
.fifo-queue { width: 100%; margin-top: auto; display: flex; gap: 3px; }
.fifo-queue i { flex: 1; aspect-ratio: .72; border: 1px solid rgba(11,107,96,.22); background: rgba(188,231,197,.28); animation: fifo-fill 2.5s ease-in-out infinite; }
.fifo-queue i:nth-child(2) { animation-delay: -.5s; }.fifo-queue i:nth-child(3) { animation-delay: -1s; }.fifo-queue i:nth-child(4) { animation-delay: -1.5s; }.fifo-queue i:nth-child(5) { animation-delay: -2s; }
.fifo-queue-receive i { animation-direction: reverse; }
.queue-labels { width: 100%; display: flex; justify-content: space-between; color: var(--muted); font-family: var(--mono); font-size: .48rem; text-transform: uppercase; }
.mfu-grid { width: min(100%, 112px); margin-top: auto; display: grid; grid-template-columns: repeat(3, 1fr); gap: 4px; }
.mfu-grid i { aspect-ratio: 1; border: 1px solid rgba(107,59,118,.2); background: rgba(107,59,118,.1); animation: mfu-pick 3.2s ease-in-out infinite; }
.mfu-grid i:nth-child(2), .mfu-grid i:nth-child(6) { animation-delay: -1.1s; }.mfu-grid i:nth-child(4), .mfu-grid i:nth-child(9) { animation-delay: -2.2s; }
.online-connector { position: relative; width: 100%; height: 1px; background: rgba(23,27,26,.3); }
.online-connector::after { content: ""; position: absolute; right: -1px; top: -3px; width: 6px; height: 6px; border-top: 1px solid var(--ink); border-right: 1px solid var(--ink); transform: rotate(45deg); }
.online-connector > i { position: absolute; z-index: 2; left: 0; top: -4px; width: 9px; height: 9px; border-radius: 50%; background: var(--pink); box-shadow: 0 0 0 4px rgba(204,90,127,.12); animation: online-signal 2.5s var(--flow-delay) linear infinite; }
.tcp-connector > span { position: absolute; left: 50%; bottom: .8rem; width: max-content; transform: translateX(-50%); color: var(--pink); font-family: var(--mono); font-size: .5rem; line-height: 1.3; text-align: center; text-transform: uppercase; }
.tcp-connector > span strong { display: block; color: var(--ink); font-weight: 500; }
.training-node { min-height: 250px; display: block; padding: 1rem; }
.training-heading { display: grid; grid-template-columns: 1fr auto; align-items: baseline; gap: .25rem 1rem; text-align: left; }
.training-heading .online-step { grid-column: 1 / -1; margin-bottom: .2rem; }
.training-heading > strong { margin: 0; }.training-heading > small { margin: 0; color: var(--pink); font-family: var(--mono); text-transform: uppercase; }
.ddp-cluster { position: relative; margin-top: 2rem; padding-top: 1.8rem; display: grid; grid-template-columns: repeat(3, 1fr); gap: .45rem; }
.ddp-label { position: absolute; z-index: 2; left: 50%; top: -.55rem; padding: 0 .45rem; transform: translateX(-50%); color: var(--purple); background: var(--paper); font-family: var(--mono); font-size: .5rem; text-transform: uppercase; white-space: nowrap; }
.ddp-rail { position: absolute; left: 15%; right: 15%; top: 1.25rem; height: 1px; background: var(--purple); }
.ddp-rail::before, .ddp-rail::after { content: ""; position: absolute; top: -3px; width: 7px; height: 7px; border-radius: 50%; background: var(--purple); }.ddp-rail::before { left: 0; }.ddp-rail::after { right: 0; }
.ddp-rail i { position: absolute; left: 0; top: -3px; width: 7px; height: 7px; border-radius: 50%; background: var(--amber); animation: ddp-sync 2.2s ease-in-out infinite alternate; }
.gpu-job { position: relative; min-width: 0; padding: .65rem .3rem; border: 1px solid rgba(107,59,118,.26); background: rgba(107,59,118,.07); }
.gpu-job::before { content: ""; position: absolute; left: 50%; top: -1.8rem; height: 1.8rem; border-left: 1px solid var(--purple); }
.gpu-job span { display: block; color: var(--muted); font-family: var(--mono); font-size: .45rem; text-transform: uppercase; }
.gpu-job strong { display: block; margin-top: .25rem; font-size: .55rem; white-space: nowrap; }
.gpu-job > i { display: block; width: 8px; height: 8px; margin: .6rem auto 0; border-radius: 50%; background: var(--teal); animation: gpu-train 1.1s ease-in-out infinite alternate; }
.gpu-job:nth-child(4) > i { animation-delay: -.35s; }.gpu-job:nth-child(5) > i { animation-delay: -.7s; }
.online-animation figcaption { display: grid; grid-template-columns: minmax(190px, .35fr) 1fr; gap: 2rem; margin-top: 2rem; padding-top: 1rem; border-top: 1px solid var(--line); color: var(--muted); font-size: .72rem; line-height: 1.6; }
.online-animation figcaption span { color: var(--ink); font-family: var(--mono); text-transform: uppercase; letter-spacing: .08em; }

@keyframes online-signal {
  0% { left: 0; opacity: 0; transform: scale(.65); }
  12%, 82% { opacity: 1; }
  100% { left: calc(100% - 7px); opacity: 0; transform: scale(1); }
}
@keyframes fifo-fill {
  0%, 100% { background: rgba(188,231,197,.25); transform: translateY(0); }
  48% { background: var(--mint); transform: translateY(-3px); }
}
@keyframes mfu-pick {
  0%, 100% { background: rgba(107,59,118,.1); transform: scale(1); }
  45% { background: rgba(204,90,127,.65); transform: scale(.9); }
}
@keyframes online-status { 50% { opacity: .35; transform: scale(.75); } }
@keyframes ddp-sync { to { left: calc(100% - 7px); } }
@keyframes gpu-train { to { background: var(--pink); box-shadow: 0 0 0 5px rgba(204,90,127,.12); } }
.paper-figure { margin: 0; }
.figure-dark { padding: clamp(1rem, 3vw, 2.5rem); background: #f9f8f4; color: var(--ink); }
.paper-figure img { width: 100%; height: auto; }
.paper-figure figcaption { display: grid; grid-template-columns: 170px 1fr; gap: 2rem; margin-top: 1.4rem; color: var(--muted); font-size: .73rem; line-height: 1.6; }
.paper-figure figcaption span { color: var(--ink); font-family: var(--mono); text-transform: uppercase; letter-spacing: .08em; }
.footnote { margin: 1rem 0 0; color: #8ea6a0; font-size: .68rem; }

.transfer { background: #fbf8f1; }
.transfer-heading { display: grid; grid-template-columns: 1fr 1fr; gap: 8vw; align-items: end; margin-bottom: 5rem; }
.transfer-heading h2, .transfer-heading > p { margin-bottom: 0; }
.transfer-heading .section-kicker { margin-bottom: 2rem; }
.reconstruction-panel { width: 100%; padding: clamp(1rem, 2.5vw, 2.5rem); border: 1px solid var(--line); background: #f9f8f4; }
.reconstruction-showcase { display: flex; flex-flow: row nowrap; width: 100%; overflow: visible; }
.reconstruction-item { flex: 0 0 25%; width: 25%; max-width: 25%; min-width: 0; margin: 0; padding: clamp(.5rem, 1.2vw, 1.2rem); }
.reconstruction-item + .reconstruction-item { border-left: 1px solid var(--line); }
.reconstruction-image { min-height: 0; aspect-ratio: 1.68 / 1; display: flex; align-items: center; justify-content: center; }
.reconstruction-image img { width: min(100%, 280px); height: 100%; margin-inline: auto; object-fit: contain; }
.reconstruction-item figcaption { position: relative; min-height: 5.5rem; margin-top: 1.25rem; padding: 1rem 0 0 2.1rem; border-top: 1px solid var(--line); }
.reconstruction-item figcaption span { position: absolute; left: 0; top: 1.1rem; color: var(--pink); font-family: var(--mono); font-size: .68rem; }
.reconstruction-item figcaption strong { display: block; color: var(--ink); font-family: var(--serif); font-size: clamp(1rem, 1.25vw, 1.25rem); font-weight: 600; line-height: 1.2; }
.reconstruction-item figcaption code { display: block; margin-top: .45rem; color: var(--muted); font-family: var(--mono); font-size: clamp(.5rem, .68vw, .68rem); line-height: 1.4; }
.reconstruction-overall-caption { display: grid; grid-template-columns: minmax(190px, .35fr) 1fr; gap: 2rem; margin-top: .75rem; padding-top: 1rem; border-top: 1px solid var(--line); color: var(--muted); font-size: .72rem; line-height: 1.6; }
.reconstruction-overall-caption span { color: var(--ink); font-family: var(--mono); text-transform: uppercase; letter-spacing: .08em; }
.reconstruction-overall-caption p { margin: 0; }
.callout-line { display: grid; grid-template-columns: repeat(3, 1fr); align-items: center; margin-top: 3rem; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 1.5rem 0; }
.callout-stat { display: flex; align-items: center; justify-content: center; gap: 1rem; text-align: left; }
.callout-line span { font-family: var(--serif); font-size: clamp(2rem, 3.2vw, 3.5rem); color: var(--teal); line-height: 1; }
.callout-line p { margin: 0; max-width: 150px; font-size: .69rem; line-height: 1.4; text-transform: uppercase; letter-spacing: .07em; color: var(--muted); }
.callout-line i { justify-self: center; font-style: normal; font-size: 2rem; color: var(--pink); text-align: center; }

.outcomes { max-width: 1280px; margin: auto; }
.outcomes > h2 { margin-bottom: 5rem; }
.outcome { border-top: 1px solid var(--line); }
.outcome:last-child { border-bottom: 1px solid var(--line); }
.outcome button { width: 100%; padding: 1.5rem 0; display: grid; grid-template-columns: 90px 1fr auto; align-items: center; border: 0; background: none; color: inherit; text-align: left; cursor: pointer; }
.outcome-title { font-family: var(--serif); font-size: clamp(2rem, 3.2vw, 3.5rem); line-height: 1; transition: color .2s; }
.outcome-icon { font-family: var(--mono); font-size: 1.5rem; }
.outcome:hover .outcome-title, .outcome.active .outcome-title { color: var(--teal); }
.outcome-detail { display: none; grid-template-columns: minmax(0, 1fr); gap: 1.75rem; padding: 0 0 2.5rem 90px; align-items: start; }
.outcome.active .outcome-detail { display: grid; }
.outcome-detail p { order: 2; color: var(--muted); margin: 0; max-width: 820px; }
.outcome-diagram { --diagram-lora: var(--amber); --diagram-backbone: #ddd1e5; --diagram-core: var(--purple); --diagram-latent: var(--teal); --diagram-generative: var(--pink); order: 1; min-width: 0; padding: clamp(1.25rem, 2.4vw, 2.2rem); display: grid; place-items: center; border: 1px solid var(--line); background: #fbf8f1; }
.compact-diagram { min-height: 270px; overflow-x: auto; }
.dynamics-diagram { min-height: 430px; }
.architecture-flow { width: min(100%, 420px); display: flex; flex-direction: column; align-items: center; }
.architecture-state, .latent-state { color: var(--ink); font-family: var(--serif); font-size: 1.35rem; font-style: italic; line-height: 1; }
.latent-state { margin: .7rem 0 .2rem; color: var(--diagram-core); }
.architecture-arrow { position: relative; display: block; flex: 0 0 auto; background: var(--muted); }
.architecture-arrow.arrow-down { width: 1px; height: 24px; margin: .35rem 0; }
.architecture-arrow.arrow-down::before { content: ""; position: absolute; z-index: 2; left: -4px; top: 0; width: 9px; height: 9px; border-radius: 50%; background: var(--amber); box-shadow: 0 0 0 4px rgba(228,165,69,.14); animation: diagram-flow-down 2s linear infinite; }
.architecture-arrow.arrow-down::after { content: ""; position: absolute; left: -4px; bottom: -1px; width: 7px; height: 7px; border-right: 1px solid var(--muted); border-bottom: 1px solid var(--muted); transform: rotate(45deg); }
.architecture-block { position: relative; width: min(100%, 210px); height: 132px; padding: 0; background: var(--diagram-lora); }
.architecture-block-inner { position: absolute; left: 9%; right: 9%; display: flex; flex-direction: column; align-items: center; justify-content: center; border: 2px solid rgba(107,59,118,.45); background: var(--diagram-backbone); }
.architecture-block-inner i { width: 45px; height: 45px; display: grid; place-items: center; border-radius: 50%; color: white; background: var(--diagram-core); font-family: var(--serif); font-size: 1.8rem; font-style: italic; }
.architecture-block-inner small { margin-top: .25rem; color: var(--diagram-core); font-family: var(--mono); font-size: .53rem; text-transform: uppercase; letter-spacing: .06em; }
.architecture-encoder { clip-path: polygon(0 0, 100% 0, 82% 100%, 18% 100%); }
.architecture-decoder { clip-path: polygon(18% 0, 82% 0, 100% 100%, 0 100%); }
.architecture-encoder .architecture-block-inner { top: 38px; bottom: 8px; clip-path: polygon(0 0, 100% 0, 85.5% 100%, 14.5% 100%); }
.architecture-decoder .architecture-block-inner { top: 8px; bottom: 38px; clip-path: polygon(14.5% 0, 85.5% 0, 100% 100%, 0 100%); }
.lora-label { position: absolute; z-index: 3; left: 0; right: 0; top: 0; height: 38px; display: flex; align-items: center; justify-content: center; color: #5c461b; font-family: var(--mono); font-size: .72rem; font-weight: 500; text-transform: uppercase; letter-spacing: .08em; pointer-events: none; transition: background .18s ease, color .18s ease; }
.lora-label.lora-bottom { top: auto; bottom: 0; }
[data-tooltip] { cursor: help; }
.architecture-block[data-tooltip] { transition: filter .18s ease, background .18s ease; }
.architecture-block[data-tooltip]:hover, .architecture-block[data-tooltip]:focus-visible { background: #f2bd4f; filter: drop-shadow(1px 0 0 rgba(92,70,27,.6)) drop-shadow(-1px 0 0 rgba(92,70,27,.6)) drop-shadow(0 1px 0 rgba(92,70,27,.6)) drop-shadow(0 -1px 0 rgba(92,70,27,.6)) drop-shadow(0 7px 9px rgba(107,59,118,.18)); outline: none; }
.architecture-block[data-tooltip]:hover .lora-label, .architecture-block[data-tooltip]:focus-visible .lora-label { color: var(--ink); background: transparent; }
.generative-block { width: min(100%, 250px); padding: 1.2rem 1rem; border: 4px solid var(--diagram-core); border-radius: 18px; color: white; background: var(--diagram-generative); text-align: center; }
.generative-block span { display: block; font-family: var(--serif); font-size: 1.35rem; font-weight: 600; }
.generative-block small { display: block; margin-top: .25rem; color: rgba(255,255,255,.8); font-family: var(--mono); font-size: .55rem; text-transform: uppercase; }
.generative-block[data-tooltip], .dft-subnetwork[data-tooltip] { transition: transform .18s ease, box-shadow .18s ease; }
.generative-block[data-tooltip]:hover, .generative-block[data-tooltip]:focus-visible, .dft-subnetwork[data-tooltip]:hover, .dft-subnetwork[data-tooltip]:focus-visible { transform: translateY(-2px); box-shadow: 0 9px 18px rgba(23,27,26,.14); outline: none; }
.compact-diagram .architecture-flow { width: min(100%, 860px); flex-direction: row; justify-content: center; gap: 0; }
.compact-diagram .architecture-state, .compact-diagram .latent-state { flex: 0 0 auto; margin: 0 .35rem; white-space: nowrap; }
.compact-diagram .architecture-block { flex: 0 0 auto; width: clamp(100px, 18vw, 175px); height: 116px; }
.compact-diagram .architecture-encoder { clip-path: polygon(0 0, 100% 18%, 100% 82%, 0 100%); }
.compact-diagram .architecture-decoder { clip-path: polygon(0 18%, 100% 0, 100% 100%, 0 82%); }
.compact-diagram .architecture-encoder .architecture-block-inner { left: 38px; right: 8px; top: 9%; bottom: 9%; clip-path: polygon(0 0, 100% 14.5%, 100% 85.5%, 0 100%); }
.compact-diagram .architecture-decoder .architecture-block-inner { left: 8px; right: 38px; top: 9%; bottom: 9%; clip-path: polygon(0 14.5%, 100% 0, 100% 100%, 0 85.5%); }
.compact-diagram .lora-label { left: 0; right: auto; top: 0; bottom: 0; width: 38px; height: auto; transform: none; font-size: .6rem; }
.compact-diagram .lora-label.lora-bottom { left: auto; right: 0; top: 0; bottom: 0; transform: none; }
.compact-diagram .architecture-arrow.arrow-down { width: clamp(18px, 4vw, 38px); height: 2px; margin: 0 .25rem; }
.compact-diagram .architecture-arrow.arrow-down::before { left: 0; top: -4px; animation-name: diagram-flow-right; }
.compact-diagram .architecture-arrow.arrow-down::after { left: auto; right: -1px; top: -4px; bottom: auto; border-top: 1px solid var(--muted); border-right: 1px solid var(--muted); border-bottom: 0; border-left: 0; transform: rotate(45deg); }
.compact-diagram .generative-block { width: clamp(125px, 18vw, 175px); min-height: 112px; padding: .9rem .7rem; display: flex; flex-direction: column; justify-content: center; }
.compact-diagram .generative-block span { font-size: clamp(.9rem, 1.5vw, 1.2rem); }
.dft-map { position: relative; width: min(100%, 650px); height: 345px; }
.dft-map .architecture-block { width: 32%; max-width: 210px; }
.dft-input-state, .dft-output-state, .dft-latent-state { position: absolute; transform: translateX(-50%); }
.dft-input-state { left: 21%; top: 0; }
.dft-output-state { left: 79%; top: 0; }
.dft-input-arrow, .dft-output-arrow, .dft-merge-up { position: absolute; width: 2px; background: var(--muted); }
.dft-input-arrow { left: 21%; top: 25px; height: 29px; }
.dft-input-arrow::before, .dft-output-arrow::before, .dft-merge-up::before { content: ""; position: absolute; z-index: 2; left: -4px; width: 9px; height: 9px; border-radius: 50%; background: var(--amber); box-shadow: 0 0 0 4px rgba(228,165,69,.14); }
.dft-input-arrow::before { top: 0; animation: diagram-flow-down 2s linear infinite; }
.dft-input-arrow::after { content: ""; position: absolute; left: -4px; bottom: -1px; width: 8px; height: 8px; border-right: 2px solid var(--muted); border-bottom: 2px solid var(--muted); transform: rotate(45deg); }
.dft-output-arrow { left: 79%; top: 25px; height: 29px; }
.dft-output-arrow::before { top: calc(100% - 7px); animation: diagram-flow-up 2s -.5s linear infinite; }
.dft-output-arrow::after { content: ""; position: absolute; left: -4px; top: -1px; width: 8px; height: 8px; border-left: 2px solid var(--muted); border-top: 2px solid var(--muted); transform: rotate(45deg); }
.dft-encoder { position: absolute; left: 5%; top: 59px; }
.dft-decoder { position: absolute; right: 5%; top: 59px; clip-path: polygon(0 0, 100% 0, 82% 100%, 18% 100%); }
.dft-decoder .architecture-block-inner { top: 38px; bottom: 8px; clip-path: polygon(0 0, 100% 0, 85.5% 100%, 14.5% 100%); }
.dft-skip-bank { position: absolute; left: 0; right: 0; top: 76px; height: 105px; display: grid; grid-template-rows: repeat(3, 1fr); align-items: center; }
.dft-skip-bank[data-tooltip]:focus-visible { outline: 1px dashed var(--pink); outline-offset: 7px; }
.dft-skip-bank[data-tooltip]:hover span, .dft-skip-bank[data-tooltip]:focus-visible span { background: var(--purple); }
.dft-skip-bank[data-tooltip]:hover span::after, .dft-skip-bank[data-tooltip]:focus-visible span::after { border-color: var(--purple); }
.dft-skip-bank span { position: relative; display: block; height: 2px; background: var(--pink); }
.dft-skip-bank span:nth-child(1) { margin-inline: 36%; }
.dft-skip-bank span:nth-child(2) { margin-inline: 34.5%; }
.dft-skip-bank span:nth-child(3) { margin-inline: 33%; }
.dft-skip-bank i { position: absolute; z-index: 2; left: 0; top: -4px; width: 9px; height: 9px; border-radius: 50%; background: var(--amber); box-shadow: 0 0 0 4px rgba(228,165,69,.14); animation: diagram-flow-right 2.2s linear infinite; }
.dft-skip-bank span:nth-child(2) i { animation-delay: -.7s; }
.dft-skip-bank span:nth-child(3) i { animation-delay: -1.4s; }
.dft-skip-bank span::after { content: ""; position: absolute; right: -1px; top: -4px; width: 8px; height: 8px; border-top: 2px solid var(--pink); border-right: 2px solid var(--pink); transform: rotate(45deg); }
.dft-skip-bank em { position: absolute; left: 50%; bottom: .18rem; transform: translateX(-50%); color: var(--pink); font-family: var(--serif); font-size: .75rem; font-style: italic; white-space: nowrap; }
.dft-latent-state { left: 16%; top: 198px; padding: 0 .25rem; color: var(--diagram-core); background: #fbf8f1; }
.dft-residual-direct { position: absolute; left: 21%; top: 191px; width: 56%; height: 40px; border-left: 2px solid var(--muted); border-bottom: 2px solid var(--muted); }
.dft-residual-direct::after { content: ""; position: absolute; right: -1px; bottom: -5px; width: 8px; height: 8px; border-top: 2px solid var(--muted); border-right: 2px solid var(--muted); transform: rotate(45deg); }
.dft-residual-direct::before { content: ""; position: absolute; z-index: 2; left: 0; bottom: -5px; width: 9px; height: 9px; border-radius: 50%; background: var(--amber); box-shadow: 0 0 0 4px rgba(228,165,69,.14); animation: diagram-flow-right 2.3s -.4s linear infinite; }
.dft-residual-direct em { position: absolute; left: 50%; bottom: .35rem; padding: 0 .3rem; transform: translateX(-50%); color: var(--muted); background: #fbf8f1; font-family: var(--mono); font-size: .48rem; font-style: normal; text-transform: uppercase; letter-spacing: .06em; }
.dft-subnetwork-input { position: absolute; left: 21%; top: 218px; width: 8%; height: 70px; border-left: 2px solid var(--muted); border-bottom: 2px solid var(--muted); }
.dft-subnetwork-input::before { content: ""; position: absolute; z-index: 2; left: -5px; top: 0; width: 9px; height: 9px; border-radius: 50%; background: var(--amber); box-shadow: 0 0 0 4px rgba(228,165,69,.14); animation: diagram-flow-down 2s -.8s linear infinite; }
.dft-subnetwork-input::after { content: ""; position: absolute; right: -1px; bottom: -5px; width: 8px; height: 8px; border-top: 2px solid var(--muted); border-right: 2px solid var(--muted); transform: rotate(45deg); }
.dft-subnetwork { position: absolute; left: 29%; top: 252px; width: 39%; min-height: 72px; padding: .8rem; display: flex; align-items: center; justify-content: center; gap: .55rem; border: 3px solid var(--diagram-core); border-radius: 16px; color: white; background: var(--diagram-latent); }
.dft-subnetwork i { width: 34px; height: 34px; display: grid; place-items: center; border-radius: 50%; background: rgba(255,255,255,.18); font-family: var(--serif); font-size: 1.45rem; font-style: italic; }
.dft-subnetwork span { font-family: var(--serif); font-size: clamp(.8rem, 1.2vw, 1.05rem); font-weight: 600; white-space: nowrap; }
.dft-subnetwork-output { position: absolute; left: 68%; top: 231px; width: 10%; height: 57px; border-right: 2px solid var(--muted); border-bottom: 2px solid var(--muted); }
.dft-subnetwork-output::before { content: ""; position: absolute; z-index: 2; right: -5px; top: calc(100% - 7px); width: 9px; height: 9px; border-radius: 50%; background: var(--amber); box-shadow: 0 0 0 4px rgba(228,165,69,.14); animation: diagram-flow-up 2s -1.1s linear infinite; }
.dft-subnetwork-output::after { content: ""; position: absolute; right: -5px; top: -1px; width: 8px; height: 8px; border-left: 2px solid var(--muted); border-top: 2px solid var(--muted); transform: rotate(45deg); }
.merge-node { width: 28px; height: 28px; display: grid; place-items: center; border-radius: 50%; color: white; background: var(--diagram-core); font-family: var(--mono); font-size: 1rem; }
.dft-merge { position: absolute; left: 78%; top: 231px; transform: translate(-50%, -50%); }
.dft-merge-up { left: 78%; top: 191px; height: 26px; }
.dft-merge-up::before { top: calc(100% - 7px); animation: diagram-flow-up 1.7s -.35s linear infinite; }
.dft-merge-up::after { content: ""; position: absolute; left: -4px; top: -1px; width: 8px; height: 8px; border-left: 2px solid var(--muted); border-top: 2px solid var(--muted); transform: rotate(45deg); }

@keyframes diagram-flow-down {
  0% { top: 0; opacity: 0; transform: scale(.65); }
  15%, 82% { opacity: 1; }
  100% { top: calc(100% - 7px); opacity: 0; transform: scale(1); }
}
@keyframes diagram-flow-up {
  0% { top: calc(100% - 7px); opacity: 0; transform: scale(.65); }
  15%, 82% { opacity: 1; }
  100% { top: 0; opacity: 0; transform: scale(1); }
}
@keyframes diagram-flow-right {
  0% { left: 0; opacity: 0; transform: scale(.65); }
  15%, 82% { opacity: 1; }
  100% { left: calc(100% - 7px); opacity: 0; transform: scale(1); }
}
@keyframes diagram-flow-left {
  0% { left: calc(100% - 7px); opacity: 0; transform: scale(.65); }
  15%, 82% { opacity: 1; }
  100% { left: 0; opacity: 0; transform: scale(1); }
}

.evidence { background: var(--paper-deep); display: grid; grid-template-columns: .78fr 1.22fr; gap: 6vw; align-items: center; }
.evidence-copy .body-large { font-size: 1rem; }
.results-figure { padding: clamp(1rem, 2vw, 1.7rem); background: white; border: 1px solid var(--line); }
.benchmark-figure { min-width: 0; padding: 0; overflow: hidden; }
.benchmark-group { border-bottom: 1px solid var(--line); }
.benchmark-group:last-child { border-bottom: 0; }
.benchmark-group summary { display: grid; grid-template-columns: 42px 1fr auto; align-items: center; gap: .7rem; padding: 1rem 1.25rem; list-style: none; cursor: pointer; user-select: none; }
.benchmark-group summary::-webkit-details-marker { display: none; }
.benchmark-group summary:hover .benchmark-group-title, .benchmark-group[open] .benchmark-group-title { color: var(--teal); }
.benchmark-group-index { color: var(--muted); font-family: var(--mono); font-size: .68rem; }
.benchmark-group-title { font-family: var(--serif); font-size: clamp(1.15rem, 1.7vw, 1.5rem); font-weight: 600; line-height: 1.15; transition: color .18s ease; }
.benchmark-group-icon::before { content: "+"; font-family: var(--mono); font-size: 1.2rem; }
.benchmark-group[open] .benchmark-group-icon::before { content: "−"; }
.benchmark-group-content { min-width: 0; padding: 1.4rem 1.25rem 1.25rem; border-top: 1px solid var(--line); }
.benchmark-charts { display: grid; grid-template-columns: repeat(3, minmax(150px, 1fr)); gap: clamp(.7rem, 1.4vw, 1.35rem); }
.mini-chart { min-width: 0; padding: 0 clamp(.25rem, .6vw, .6rem); }
.mini-chart h3 { min-height: 2.6rem; margin: 0 0 .8rem; display: flex; align-items: flex-end; justify-content: center; font-family: var(--mono); font-size: clamp(.7rem, .84vw, .78rem); font-weight: 500; line-height: 1.3; letter-spacing: .02em; text-align: center; }
.chart-layout { display: grid; grid-template-columns: 28px minmax(0, 1fr); gap: .45rem; }
.y-axis-title { display: flex; align-items: center; justify-content: center; color: var(--ink); font-family: var(--mono); font-size: clamp(.62rem, .72vw, .7rem); font-weight: 500; line-height: 1.15; text-align: center; writing-mode: vertical-rl; transform: rotate(180deg); }
.y-axis-title sup, .y-axis-title sub { font-size: .72em; }
.bar-area { position: relative; height: clamp(220px, 21vw, 285px); padding: .7rem .25rem 3.5rem; display: flex; align-items: flex-end; justify-content: space-evenly; gap: clamp(4px, .5vw, 9px); background: repeating-linear-gradient(to top, transparent 0, transparent calc(25% - 1px), rgba(23,27,26,.075) 25%); }
.bar { --bar-color: var(--teal); position: relative; flex: 1 1 0; max-width: 32px; height: var(--bar-height); min-height: 3px; outline: 0; background: var(--bar-color); border-radius: 2px 2px 0 0; box-shadow: inset 0 0 0 1px rgba(23,27,26,.08); transition: filter .16s ease, transform .16s ease, box-shadow .16s ease; }
.bar > span { position: absolute; top: calc(100% + .48rem); left: 50%; width: 4rem; transform: translateX(-50%); color: var(--ink); font-family: var(--mono); font-size: clamp(.59rem, .68vw, .67rem); font-weight: 500; line-height: 1.18; text-align: center; overflow-wrap: anywhere; }
.benchmark-group-primary .bar-area { height: clamp(250px, 24vw, 310px); padding-bottom: 5.6rem; }
.benchmark-group .bar > span { top: calc(100% + .55rem); right: 50%; left: auto; width: auto; transform: rotate(-45deg); transform-origin: top right; color: var(--ink); text-align: right; white-space: nowrap; overflow-wrap: normal; }
.bar::after { content: attr(data-method) "\A" attr(data-value); position: absolute; z-index: 12; left: 50%; bottom: calc(100% + 8px); padding: .4rem .55rem; visibility: hidden; opacity: 0; transform: translate(-50%, 4px); color: white; background: var(--ink); box-shadow: 0 6px 16px rgba(23,27,26,.2); font-family: var(--mono); font-size: .65rem; line-height: 1.45; text-align: center; white-space: pre; pointer-events: none; transition: opacity .14s ease, transform .14s ease, visibility .14s; }
.bar:hover, .bar:focus-visible { z-index: 10; filter: saturate(1.15) brightness(.95); transform: translateY(-2px); box-shadow: inset 0 0 0 1px rgba(23,27,26,.18), 0 5px 10px rgba(23,27,26,.13); }
.bar:hover::after, .bar:focus-visible::after { visibility: visible; opacity: 1; transform: translate(-50%, 0); }
.bar:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; }
.method-tadpole-l, .method-lora64 { --bar-color: var(--teal); }
.method-tadpole-b, .method-lora32 { --bar-color: #2caa94; }
.method-tadpole-s { --bar-color: var(--mint); }
.method-walrus { --bar-color: var(--pink); }
.method-morph, .method-fpft { --bar-color: var(--purple); }
.method-dpot, .method-lora16 { --bar-color: var(--amber); }
.bar-broken::before { content: ""; position: absolute; left: -2px; right: -2px; top: 9%; height: 9px; background: linear-gradient(135deg, transparent 0 29%, white 30% 48%, transparent 49% 64%, white 65% 82%, transparent 83%); filter: drop-shadow(0 1px 0 rgba(23,27,26,.16)); }
.performance-caption { display: grid; grid-template-columns: minmax(145px, .34fr) 1fr; gap: 1.25rem; margin-top: 1.5rem; padding-top: 1rem; border-top: 1px solid var(--line); color: var(--muted); font-size: .73rem; line-height: 1.6; }
.performance-caption span { color: var(--ink); font-family: var(--mono); text-transform: uppercase; letter-spacing: .08em; }
.method { display: grid; grid-template-columns: .8fr 1.2fr; gap: 8vw; align-items: start; }
.method-heading { position: static; }
.method-steps { list-style: none; padding: 0; margin: 0; counter-reset: item; }
.method-steps li { display: grid; grid-template-columns: 80px 1fr; align-items: baseline; gap: 1rem; padding: 2.2rem 0; border-top: 1px solid var(--line); }
.method-steps li:last-child { border-bottom: 1px solid var(--line); }
.method-steps h3 { font-family: var(--serif); font-size: 2rem; font-weight: 500; margin-bottom: .4rem; }
.method-steps p { color: var(--muted); margin: 0; }

.citation { display: grid; grid-template-columns: .7fr 1.3fr; gap: 6vw; background: #fbf8f1; }
.citation h2 { font-size: clamp(2.4rem, 3.4vw, 3.8rem); }
.citation-title-row { display: flex; align-items: center; gap: 1rem; }
.citation-title-row h2 { margin-bottom: 0; }
.citation-title-row img { width: clamp(3rem, 4.2vw, 4.4rem); height: clamp(3rem, 4.2vw, 4.4rem); object-fit: contain; }
.citation-actions { display: flex; flex-wrap: wrap; gap: .65rem; margin-top: 2rem; }
.citation-actions .button { min-height: 44px; padding: .62rem .9rem; font-size: .72rem; }
.citation-box { position: relative; min-width: 0; }
.citation-box pre { margin: 0; overflow-x: auto; padding: 2rem; background: var(--ink); color: #dfe5df; font-family: var(--mono); font-size: .75rem; line-height: 1.7; }
.copy-button { position: absolute; right: .7rem; top: .7rem; border: 1px solid rgba(255,255,255,.35); background: transparent; color: white; padding: .45rem .7rem; font-family: var(--mono); font-size: .62rem; text-transform: uppercase; cursor: pointer; }
.copy-button:hover { background: white; color: var(--ink); }

footer { padding: 2.5rem clamp(1.25rem, 7vw, 8rem); display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 2rem; align-items: center; border-top: 1px solid var(--line); font-size: .72rem; color: var(--muted); }
footer p { margin: 0; text-align: center; }
.footer-links { display: flex; justify-content: flex-end; gap: 1.2rem; }
.footer-links a { display: inline-flex; align-items: center; gap: .35rem; text-decoration: none; white-space: nowrap; }
footer a:hover { color: var(--teal); }

.component-tooltip { position: fixed; z-index: 200; left: 0; top: 0; max-width: min(280px, calc(100vw - 24px)); padding: .65rem .8rem; pointer-events: none; visibility: hidden; opacity: 0; transform: translateY(4px); border: 1px solid rgba(255,255,255,.16); color: white; background: var(--ink); box-shadow: 0 10px 28px rgba(23,27,26,.2); font-family: var(--mono); font-size: .65rem; line-height: 1.45; text-transform: none; letter-spacing: .02em; transition: opacity .15s ease, transform .15s ease, visibility .15s; }
.component-tooltip.visible { visibility: visible; opacity: 1; transform: translateY(0); }

@media (max-width: 980px) {
  .hero { grid-template-columns: 1fr; padding-top: 4rem; }
  .hero-visual { height: 420px; max-width: 610px; width: 100%; justify-self: center; }
  .story-intro-lead { grid-template-columns: 1fr; }
  .ks-video { width: min(100%, 560px); justify-self: start; }
  .online-dataflow { grid-template-columns: minmax(0, 1fr); gap: .9rem; }
  .online-node { width: min(100%, 420px); min-height: 190px; justify-self: center; }
  .online-connector { width: 1px; height: 46px; justify-self: center; }
  .online-connector::after { right: -3px; top: auto; bottom: -1px; transform: rotate(135deg); }
  .online-connector > i { left: -4px; top: 0; animation-name: online-signal-down; }
  .tcp-connector > span { left: 1rem; bottom: 50%; transform: translateY(50%); text-align: left; }
  .training-node { width: min(100%, 520px); }
  .evidence { grid-template-columns: 1fr; }.results-figure { margin-top: 1rem; }
  .benchmark-charts { grid-template-columns: repeat(3, minmax(160px, 1fr)); }
  .method { grid-template-columns: 1fr; }.method-heading { position: static; }
}

@media (max-width: 720px) {
  .site-header { grid-template-columns: 1fr auto; height: 66px; padding-inline: 1rem; }
  .header-actions { gap: .45rem; }
  .header-link { min-width: 30px; min-height: 30px; justify-content: center; }
  .header-link .link-label { display: none; }
  .hero { min-height: auto; padding-inline: 1.25rem; }
  h1 { font-size: clamp(3rem, 13vw, 4.4rem); }
  .hero-title-line { white-space: normal; }
  .hero-visual { min-height: 280px; height: 72vw; margin-top: -1rem; }
  .field { width: 76%; }
  .section { padding: 5.5rem 1.25rem; }
  .challenge-grid, .online-heading, .transfer-heading, .citation { grid-template-columns: 1fr; }
  .challenge-grid article { padding: 1.8rem 0; }.challenge-grid article + article { border-left: 0; border-top: 1px solid var(--line); padding-left: 0; }
  .pivot { display: block; }
  .vae-animation { margin-top: 3rem; }
  .vae-flow { grid-template-columns: 1fr; gap: .75rem; }
  .vae-stage > strong { margin-top: .6rem; }
  .vae-connector { width: 1px; height: 38px; justify-self: center; transform: none; }
  .vae-connector::after { right: -3px; top: auto; bottom: -1px; transform: rotate(135deg); }
  .vae-connector i { left: -4px; top: 0; animation-name: vae-signal-down; }
  .vae-animation figcaption { grid-template-columns: 1fr; gap: .4rem; }
  .online-animation figcaption { grid-template-columns: 1fr; gap: .4rem; }
  .reconstruction-overall-caption { grid-template-columns: 1fr; gap: .4rem; }
  .reconstruction-item { padding-inline: .35rem; }
  .reconstruction-item figcaption { padding-left: 0; }
  .reconstruction-item figcaption span { position: static; display: block; margin-bottom: .3rem; }
  .reconstruction-item figcaption strong { font-size: .72rem; }
  .reconstruction-item figcaption code { font-size: .43rem; overflow-wrap: anywhere; }
  .question { grid-template-columns: 1fr; gap: .5rem; }
  .stats-row { grid-template-columns: 1fr 1fr; }.stats-row > div:nth-child(3) { border-left: 0; }.stats-row > div:nth-child(n+3) { border-top: 1px solid rgba(255,255,255,.22); }
  .paper-figure figcaption { grid-template-columns: 1fr; gap: .4rem; }
  .benchmark-group summary { grid-template-columns: 34px 1fr auto; padding-inline: .9rem; }
  .benchmark-group-content { padding-inline: .85rem; overflow-x: auto; }
  .benchmark-charts, .benchmark-group-content .performance-caption { min-width: 600px; }
  .performance-caption { grid-template-columns: 1fr !important; gap: .35rem !important; }
  .callout-stat { flex-direction: column; gap: .4rem; text-align: center; }
  .callout-line p { font-size: .58rem; }
  .outcome button { grid-template-columns: 50px 1fr auto; }.outcome-detail { grid-template-columns: 1fr; padding-left: 50px; }
  .outcome-diagram { padding: 1rem; }
  .dynamics-diagram { min-height: 420px; }
  .method-steps li { grid-template-columns: 50px 1fr; }
  footer { grid-template-columns: 1fr; text-align: left; } footer p { text-align: left; }.footer-links { justify-content: flex-start; flex-wrap: wrap; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .page-loader { display: none; }
  .hero-flow::before, .hero-flow span { animation: none !important; }
  body > .site-header, body > main, body > footer { animation: none !important; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}

@keyframes vae-signal-down {
  0% { top: 0; opacity: 0; transform: scale(.65); }
  12% { opacity: 1; }
  82% { opacity: 1; }
  100% { top: calc(100% - 7px); opacity: 0; transform: scale(1); }
}

@keyframes online-signal-down {
  0% { top: 0; opacity: 0; transform: scale(.65); }
  12%, 82% { opacity: 1; }
  100% { top: calc(100% - 7px); opacity: 0; transform: scale(1); }
}