/* Appearance controls and animated project instruments. */
.interests-line { display: flex; flex-wrap: wrap; align-items: center; gap: 9px; margin-top: 25px; font-size: 18px; }
#interest-word { display: inline-flex; align-items: center; min-width: 170px; min-height: 36px; color: var(--dark); font-weight: 500; }
/* Tactile hero actions: a split navigation key and a small document cover. */
.hero-actions { display: grid; grid-template-columns: 1.2fr 1fr; gap: 14px; max-width: 408px; align-items: stretch; }
.hero-action { position: relative; min-width: 0; min-height: 66px; border: 1px solid var(--ink); border-radius: 2px; text-align: left; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; }
.hero-action-label { font: 600 16px/1.2 var(--display); letter-spacing: -.02em; white-space: nowrap; }
.hero-action--work { display: flex; align-items: center; justify-content: space-between; padding-left: 18px; gap: 12px; color: #f3f7ff; background: #203a60; border-color: #4b76b4; box-shadow: 3px 3px 0 #6095f5; }
.hero-action-arrow { display: grid; place-items: center; align-self: stretch; flex: 0 0 48px; overflow: hidden; background: #3568e8; color: #ffffff; border-radius: 0 1px 1px 0; }
.hero-action svg { fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: square; stroke-linejoin: miter; }
.hero-action-arrow svg { width: 23px; height: 23px; animation: hero-arrow-pass 4s cubic-bezier(.65,0,.35,1) infinite; }
.hero-action--resume { display: flex; align-items: center; gap: 12px; padding: 13px 26px 13px 14px; color: var(--ink); background: var(--surface); border-color: var(--line-strong); box-shadow: 3px 3px 0 var(--line); }
.hero-action-document { flex: 0 0 23px; width: 23px; height: 29px; color: var(--dark); transition: transform .25s ease; }
.hero-action-note { display: block; margin-top: 6px; color: var(--muted); font: 14px/1 var(--mono); letter-spacing: 0; }
.hero-action-exit { position: absolute; top: 10px; right: 10px; width: 10px; height: 10px; color: var(--muted); transition: transform .2s ease, color .2s ease; }
.hero-action:focus-visible { outline: 2px solid var(--dark); outline-offset: 7px; }
@media (hover:hover) {
  .hero-action:hover { transform: translate(-2px,-2px); }
  .hero-action--work:hover { background: #284976; box-shadow: 5px 5px 0 #80b2ff; }
  .hero-action--work:hover .hero-action-arrow { background: #477bf5; }
  .hero-action--resume:hover { box-shadow: 5px 5px 0 var(--line-strong); }
  .hero-action--resume:hover .hero-action-document { transform: rotate(-8deg); }
  .hero-action--resume:hover .hero-action-exit { color: var(--accent); transform: translate(2px,-2px); }
}
.hero-action:active { transform: translate(3px,3px); box-shadow: 0 0 0 transparent; }
@keyframes hero-arrow-pass { 0%,74%,100% { transform: translateY(0); opacity: 1; } 84% { transform: translateY(35px); opacity: 0; } 85% { transform: translateY(-35px); opacity: 0; } 95% { transform: translateY(0); opacity: 1; } }
.motion-paused .hero-action-arrow svg { animation: none; }
@media (max-width:420px) {
  .hero-actions { gap: 12px; }
  .hero-action-label { font-size: 15px; }
  .hero-action--work { padding-left: 13px; gap: 8px; }
  .hero-action-arrow { flex-basis: 38px; }
  .hero-action--resume { gap: 8px; padding-left: 10px; padding-right: 20px; }
  .hero-action-document { flex-basis: 20px; width: 20px; }
  .hero-action-note { font-size: 14px; }
}
@media (max-width:350px) { .hero-actions { grid-template-columns: 1fr; max-width: 220px; } }
@media (prefers-reduced-motion:reduce) { .hero-action,.hero-action svg { transition: none; animation: none; } }
.section-heading h2 em,.academic-heading h2 em,.about-intro h2 em { font: inherit; letter-spacing: inherit; }
.noise-lab,.about-section,.research-section,.payoff-lab,.stack-module,.project-research .project-art { border-radius: 0; }
.research-section { border-left: 1px solid var(--line); background: transparent; }
.module-detail h4 { font: 500 29px/1.2 var(--display); letter-spacing: -.035em; }
.section-heading>.eyebrow,.academic-heading>.eyebrow,.about-intro>.eyebrow { font: 14px var(--body); letter-spacing: .04em; color: var(--muted); }
.about-personal { margin-top: 20px; }
.project-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 18px 26px; }
.live-website-link { color: var(--dark); font-weight: 600; }
.live-website-link:hover { color: var(--accent); }
.career-site-link { margin: 20px 0 28px; }
.dialog-site-link { margin: 28px 0; }
.project-marketlens { grid-template-columns: 1.4fr 1fr; gap: 6%; padding-bottom: 95px; }
.marketlens-features { list-style: none; padding: 0; margin: 22px 0 0; font-size: 14px; line-height: 1.6; color: var(--muted); }
.marketlens-features li { display: flex; gap: 10px; margin-block: 8px; }
.marketlens-features li::before { content: '↳'; color: var(--accent); }
.marketlens-preview { grid-column: 1; grid-row: 1; display: block; min-width: 0; border: 1px solid var(--line-strong); border-radius: 5px; overflow: hidden; background: var(--surface); }
.marketlens-preview-bar,.marketlens-preview-caption { display: flex; justify-content: space-between; align-items: center; gap: 15px; padding: 13px 17px; }
.marketlens-preview-bar { font-size: 14px; font-weight: 600; border-bottom: 1px solid var(--line); }
.marketlens-preview-bar b { margin-left: 10px; font: 14px var(--mono); letter-spacing: .06em; color: var(--muted); }
.marketlens-preview-bar>span:last-child { font-size: 21px; color: var(--dark); }
.marketlens-preview-image { height: 445px; overflow: hidden; background: #090d14; }
.marketlens-preview-image img { display: block; width: 100%; height: 100%; object-fit: cover; object-position: top; transition: object-position 1.8s ease-in-out; }
.marketlens-preview-caption { font-size: 14px; line-height: 1.5; color: var(--muted); border-top: 1px solid var(--line); }
.marketlens-preview:hover,.marketlens-preview:focus-visible { border-color: var(--dark); }
@media (hover:hover) and (prefers-reduced-motion:no-preference) { .marketlens-preview:hover img { object-position: bottom; } }
@media (hover:none), (prefers-reduced-motion:reduce) { .marketlens-hover-note { display: none; } .marketlens-preview-image img { transition: none; } }
@media (max-width:800px) { .project-marketlens { gap: 30px; } .marketlens-preview-image { height: 350px; } .marketlens-preview-caption { flex-wrap: wrap; gap: 4px; } }
@media (max-width:600px) { .project-marketlens { display: flex; flex-direction: column; align-items: stretch; gap: 25px; padding-bottom: 65px; } .project-marketlens .project-meta { order: 0; } .marketlens-preview { order: 1; } .marketlens-preview-image { height: 300px; } .marketlens-preview-caption { font-size: 14px; } }
/* One typographic voice, with the condensed face reserved for Eric's name. */
.section-heading h2,.academic-heading h2,.about-intro h2 { letter-spacing: -.035em; }
.section-heading { gap: 16px; }
.project-meta h3,.career-story h4,.module-detail h4 { letter-spacing: -.025em; }
.noise-heading h2 em,.market-intro h3>span,.contact-title em { font: inherit; letter-spacing: inherit; }
.research-subject h4,.dialog-inner h2 { font-family: var(--display); font-style: normal; font-weight: 500; letter-spacing: -.025em; }
.contact-title { font-weight: 500; letter-spacing: -.04em; }
.contact-arrow { border-radius: 3px; width: 85px; height: 85px; font-size: 60px; }
.site-header { height: auto; min-height: 106px; gap: 24px; padding-block: 24px; }
.header-actions { display: flex; align-items: center; gap: 25px; }
.theme-switch { display: flex; gap: 2px; padding: 4px; border: 1px solid var(--line); border-radius: 5px; background: var(--surface); }
.theme-switch button { display: grid; place-items: center; width: 36px; height: 36px; padding: 0; border-radius: 3px; color: var(--muted); transition: color .18s, background .18s; }
.theme-switch svg { display: block; width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.theme-switch button:focus-visible { outline-offset: 2px; }
@media (pointer:coarse) { .theme-switch button { width: 44px; height: 44px; } }
@media (prefers-reduced-motion:reduce) { .theme-switch button { transition: none; } }
.theme-switch [aria-pressed=true] { color: var(--on-action); background: var(--action); }
.theme-switch button:hover:not([aria-pressed=true]) { background: var(--surface-raised); color: var(--ink); }
.button.dark, .math-resample, .noise-send { color: var(--on-action); }
.noise-send { background: var(--action); }
.noise-send:hover:not(:disabled) { background: var(--action-hover); }
::selection { color: var(--on-action); }
.nn-launch,#neural-dialog .nn-playback #nn-run,.nn-presets [aria-pressed=true] { color: var(--on-action); background: var(--action); border-color: var(--action); }
.nn-launch:hover,#neural-dialog .nn-playback #nn-run:hover { background: var(--action-hover); }
.nn-pixels button[aria-pressed=true] { background: var(--dark); }
.nn-pixels button { background: var(--surface-raised); }
.nn-close { color: var(--ink); }
.nn-pixels button:focus-visible { outline-color: var(--accent) !important; }
[data-theme=light] .career-logo--watonomous img { filter: brightness(0); }
[data-theme=light] .career-logo--mcap img,[data-theme=light] .career-logo--skyview img { filter: none; }
.search-art { height: 455px; border: 1px solid var(--line); background: var(--surface); color: var(--ink); border-radius: 6px; }
.search-console { position: absolute; inset: 70px 30px 65px; }
.search-query { display: flex; gap: 13px; align-items: center; border: 1px solid var(--line-strong); padding: 13px 15px; border-radius: 4px; background: var(--surface-inset); font-size: 14px; }
.search-query>span:first-child { font-size: 25px; color: var(--dark); line-height: 1; }
.search-query>i { width: 2px; height: 15px; background: var(--accent); animation: search-caret 1s steps(2) infinite; }
.search-routing { display: flex; justify-content: space-between; color: var(--muted); font: 14px var(--mono); margin-top: 22px; }
.search-flow { display: block; width: 100%; height: 78px; overflow: visible; fill: none; stroke: var(--line); stroke-width: 1.4; }
.search-packets { stroke: var(--graph-blue); stroke-width: 3; stroke-dasharray: 10 120; animation: search-route 4s linear infinite; }
.search-packets path:nth-child(2) { stroke: var(--accent); }
.search-sources { display: flex; justify-content: space-between; gap: 8px; margin: -1px 0 23px; font-size: 14px; }
.search-sources span { display: flex; gap: 5px; align-items: center; }
.search-sources b { color: var(--dark); font: 14px var(--mono); }
.search-answer { border-top: 1px solid var(--line); padding-top: 15px; }
.search-answer>.mono { display: block; color: var(--dark); font-size: 14px; }
.search-answer>.mono i { color: var(--accent); font-size: 17px; float: right; }
.search-answer strong { display: block; font: 500 clamp(22px,2.3vw,34px)/1.1 var(--display); letter-spacing: -.04em; margin: 10px 0 13px; }
@keyframes search-route { to { stroke-dashoffset: -260; } }
@keyframes search-caret { to { opacity: 0; } }
.lost-found svg { stroke-dasharray: 80 16; animation: search-route 9s linear infinite; }
.lost-letter { animation: letter-recover 5s ease-in-out infinite; }
@keyframes letter-recover { 0%,20%,100% { opacity: .28; } 55%,75% { opacity: 1; } }
.motion-paused .search-art *,.motion-paused .research-art * { animation-play-state: paused; }
.neural-invitation { grid-template-columns: minmax(230px,.7fr) minmax(0,1.5fr); padding: 36px; border: 1px solid var(--line); border-radius: 7px; gap: 30px; }
.neural-invitation::before { background: radial-gradient(ellipse at 75% 45%,color-mix(in srgb,var(--graph-blue) 9%,transparent),transparent 65%); }
.nn-preview { min-width: 0; border-left: 1px solid var(--line); padding-left: 27px; }
.nn-preview-top,.nn-preview-bottom { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.nn-preview-top { padding-bottom: 12px; border-bottom: 1px solid var(--line); }
.nn-preview-top .mono { font-size: 14px; color: var(--dark); }
.nn-preview-top i { display: inline-block; width: 5px; height: 5px; background: var(--accent); border-radius: 50%; margin-right: 6px; }
#nn-preview-motion { color: var(--muted); font: 14px var(--body); padding: 5px 9px; border: 1px solid var(--line); border-radius: 4px; }
#nn-preview-canvas { position: relative; inset: auto; display: block; width: 100%; height: auto; aspect-ratio: 850/360; border-radius: 0; cursor: default; touch-action: auto; margin-block: 12px; }
.nn-preview-presets { display: flex; gap: 3px; }
.nn-preview-presets button { font-size: 14px; color: var(--muted); padding: 7px 10px; border: 1px solid transparent; border-radius: 3px; }
.nn-preview-presets [aria-pressed=true] { color: var(--dark); border-color: var(--line-strong); background: var(--surface-raised); }
#nn-preview-result { font-size: 14px; color: var(--accent); white-space: nowrap; }
.neural-invitation .nn-preview-note { font: 14px var(--mono); color: var(--muted); max-width: none; margin-top: 12px; }
@media (max-width:1050px) {
  .site-header nav { gap: 20px; } .header-actions { gap: 16px; }
  .neural-invitation { grid-template-columns: 1fr; } .neural-invitation p:not(.nn-kicker) { max-width: 520px; }
  .nn-preview { padding: 22px 0 0; border-left: 0; border-top: 1px solid var(--line); }
}
@media (max-width:750px) {
  .site-header { flex-wrap: wrap; gap: 17px; padding-block: 22px; }
  .site-header nav { order: 3; width: 100%; justify-content: space-between; border-top: 1px solid var(--line); padding-top: 14px; }
  .contact-arrow { width: 60px; height: 60px; font-size: 40px; }
  .search-console { inset-inline: 23px; } .search-query { font-size: 14px; }
  .neural-invitation { padding: 25px; } .nn-preview-bottom { flex-wrap: wrap; }
  .research-section { padding-inline: 0; border-left: 0; border-top: 1px solid var(--line); }
}
@media (max-width:420px) { .header-contact { display: none; } .search-sources { font-size: 14px; } .search-console { inset-inline: 18px; } .search-art { height: 450px; } }
@media (prefers-reduced-motion:reduce) { .search-art *,.research-art * { animation: none !important; } }

/* Ten-layer conceptual neural signal illustration for the search project. */
.search-art { height: 590px; }
.search-console { inset: 72px 30px 65px; }
.deep-network { display: block; width: 100%; height: 260px; overflow: visible; }
.deep-wires { fill: none; stroke: var(--dark); stroke-width: .65; opacity: .13; }
.deep-pulses { fill: none; stroke-width: 1.5; }
.deep-pulses path { stroke: var(--signal); stroke-dasharray: 12 100; stroke-dashoffset: 112; opacity: 0; animation: deep-transmit 4.8s linear infinite; animation-delay: var(--delay); }
.deep-node { fill: var(--surface); stroke: var(--dark); stroke-width: 1.2; animation: deep-activate 4.8s ease-out infinite; animation-delay: var(--delay); transform-box: fill-box; transform-origin: center; }
.deep-node:nth-child(3n) { stroke: var(--accent); }
.deep-caption { display: flex; justify-content: space-between; gap: 10px; font: 14px var(--mono); color: var(--muted); margin: -7px 0 22px; }
.deep-caption span:last-child { color: var(--dark); }
.search-art:hover .deep-wires { opacity: .23; }
@keyframes deep-transmit { 0% { opacity: 0; stroke-dashoffset: 112; } 4% { opacity: .85; } 15% { opacity: .85; stroke-dashoffset: 0; } 20%,100% { opacity: 0; stroke-dashoffset: -12; } }
@keyframes deep-activate { 0%,22%,100% { fill: var(--surface); filter: none; transform: scale(1); } 8%,13% { fill: var(--dark); filter: drop-shadow(0 0 5px var(--graph-blue)); transform: scale(1.35); } }
@media (max-width:600px) { .search-art { height: 555px; } .deep-network { height: 225px; } .search-console { inset-inline: 20px; } .deep-caption { font-size: 14px; } }
@media (prefers-reduced-motion:reduce) { .deep-node,.deep-pulses path { animation: none !important; } .deep-pulses path { opacity: .45; stroke-dashoffset: 0; } }

/* Keep the answer and its caption in flow as the card changes width. */
.search-art { height: auto; min-height: 0; display: flex; flex-direction: column; padding: 30px; }
.search-art .art-kicker { position: static; font-size: 14px; }
.search-art .search-console { position: relative; inset: auto; margin-top: 24px; }
.search-art .deep-network { height: 220px; }
.search-art .search-answer strong { margin-bottom: 0; }
.search-answer strong>span { display: block; animation: answer-arrive 4.8s ease-out infinite; }
.search-answer strong>span:nth-child(2) { animation-delay: .18s; }
.search-art .art-bottom { position: static; margin-top: 24px; padding-right: 30px; max-width: none; font: 14px/1.6 var(--body); letter-spacing: .02em; color: var(--muted); }
@keyframes answer-arrive { 0%, 58% { opacity: .58; transform: translateY(3px); } 72%, 94% { opacity: 1; transform: translateY(0); } 100% { opacity: .58; transform: translateY(3px); } }
@media (max-width: 600px) { .search-art { padding: 24px 20px; } .search-art .deep-network { height: 180px; } }
@media (prefers-reduced-motion: reduce) { .search-answer strong>span { opacity: 1; transform: none; animation: none; } }