:root{--bg:#f5f2ec;--surface:#ede8de;--surface-elevated:#fff;--text:#221e1a;--text-muted:#6b655d;--text-quiet:#948e85;--accent:#5a6b3d;--accent-hover:#4a5a31;--accent-soft:#5a6b3d1f;--border:#ddd6c8;--border-strong:#c8c0af;--terminal-bg:#221e1a;--terminal-text:#a3b678}:root[data-theme=dark]{--bg:#1a1815;--surface:#242019;--surface-elevated:#2d2921;--text:#ede6d8;--text-muted:#a69e90;--text-quiet:#7a7266;--accent:#a3b678;--accent-hover:#b4c589;--accent-soft:#a3b67826;--border:#3a3630;--border-strong:#4a453d;--terminal-bg:#26221e;--terminal-text:#a3b678}html{background:var(--bg);color:var(--text);scroll-behavior:smooth;transition:background-color .3s,color .3s}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}*,:before,:after{box-sizing:border-box}body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;margin:0;font-family:IBM Plex Sans,system-ui,sans-serif;font-size:16px;line-height:1.6}h1,h2,h3,h4{letter-spacing:-.01em;margin:0;font-family:Newsreader,Georgia,serif;font-weight:400;line-height:1.15}.mono,code,pre{font-family:IBM Plex Mono,ui-monospace,monospace}a{color:inherit}button{font-family:inherit}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.skip-link{z-index:100;background:var(--surface-elevated);color:var(--text);border:1px solid var(--border-strong);border-radius:8px;padding:12px 20px;transition:top .2s;position:absolute;top:-48px;left:16px}.skip-link:focus{top:16px}.chapter-marker{color:var(--text-muted);text-transform:lowercase;margin-bottom:16px;font-size:14px}.chapter-title{color:var(--text);font-size:48px}.container{max-width:1080px;margin:0 auto;padding:0 32px}@media (width<=767px){.container{padding:0 20px}}.site-header{width:100%}.header-inner{justify-content:space-between;align-items:center;padding-top:24px;padding-bottom:24px;display:flex}.brand{color:var(--text);font-family:Newsreader,Georgia,serif;font-size:18px}.header-right{align-items:center;gap:32px;display:flex}.site-nav{align-items:center;gap:24px;display:flex}.site-nav a{color:var(--text-muted);font-size:14px;text-decoration:none}.site-nav a:hover{color:var(--text)}.theme-toggle{width:40px;height:40px;color:var(--text);cursor:pointer;background:0 0;border:none;border-radius:8px;justify-content:center;align-items:center;transition:color .2s ease-out;display:flex}.theme-toggle:hover{color:var(--accent)}@media (width<=767px){.site-nav{gap:16px}}.chapter-hello{align-items:center;min-height:100vh;display:flex}.chapter-hello-inner{flex-direction:column;align-items:center;gap:24px;width:100%;display:flex}.terminal-window{background:var(--terminal-bg);border:1px solid #ffffff14;border-radius:12px;width:100%;max-width:640px;transition:border-color .3s;overflow:hidden}.terminal-window.is-settled{border-color:#ffffff24}.terminal-topbar{align-items:center;gap:8px;height:32px;padding-left:16px;display:flex}.terminal-dot{border-radius:9999px;width:12px;height:12px}.terminal-dot-red{background:#ec6a5e}.terminal-dot-yellow{background:#f4bf4f}.terminal-dot-green{background:#61c454}.terminal-body{min-height:168px;max-height:480px;color:var(--terminal-text);padding:24px;font-size:22px;overflow-y:auto}.terminal-line{margin-bottom:4px}.terminal-prompt{color:var(--terminal-text);opacity:.6;white-space:pre}.terminal-response{color:var(--terminal-text);white-space:pre-wrap;min-height:1.3em}.terminal-input-line{align-items:baseline;display:flex}.terminal-input{caret-color:#0000;color:var(--terminal-text);font:inherit;background:0 0;border:none;outline:none;min-width:1ch;margin:0;padding:0}.terminal-input::placeholder{color:var(--terminal-text);opacity:.4}.terminal-input.is-busy{opacity:.6}.terminal-cursor{margin-left:2px;animation:1s step-end infinite terminal-blink;display:inline-block}@media (prefers-reduced-motion:reduce){.terminal-cursor{opacity:1;animation:none}}@keyframes terminal-blink{0%,50%{opacity:1}50.01%,to{opacity:0}}.scroll-cue{color:var(--text-quiet);letter-spacing:.04em;margin:0;font-size:14px}@media (width<=767px){.terminal-body{padding:20px;font-size:16px}}.chapter-build{min-height:100vh;padding:96px 0}@media (width<=767px){.chapter-build{padding:48px 0}}.chapter-build .chapter-title{margin-bottom:48px}.pipeline{margin-bottom:64px}.pipeline-svg{aspect-ratio:1000/120;width:100%;height:auto;display:block}.pipeline-track{fill:none;stroke:var(--border);stroke-width:2px;vector-effect:non-scaling-stroke}.pipeline-progress{fill:none;stroke:var(--accent);stroke-width:2px;vector-effect:non-scaling-stroke}.pipeline-node{fill:var(--surface);stroke:var(--border-strong);stroke-width:1.5px;vector-effect:non-scaling-stroke}.pipeline-dot{fill:var(--accent)}.pipeline-labels{height:20px;margin:12px 0 0;padding:0;list-style:none;position:relative}.pipeline-label{color:var(--text-muted);white-space:nowrap;font-size:14px;position:absolute;top:0;transform:translate(-50%)}@media (width<=767px){.pipeline-dot-extra{display:none}.pipeline-label{font-size:12px}}.build-part{margin-bottom:64px}.build-part:last-child{margin-bottom:0}.prose-lead{max-width:65ch;color:var(--text);margin:0;font-size:18px}.project-grid{grid-template-columns:repeat(2,1fr);gap:24px;display:grid}@media (width<=767px){.project-grid{grid-template-columns:1fr}}.project-card{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:28px;transition:border-color .2s ease-out}.project-card:hover{border-color:var(--border-strong)}.project-card h3{margin-bottom:12px;font-size:24px}.project-card p{color:var(--text-muted);margin:0;font-size:16px}.chapter-research{min-height:100vh;padding:96px 0}@media (width<=767px){.chapter-research{padding:48px 0}}.chapter-research .chapter-title{margin-bottom:48px}.scatter-svg{width:100%;height:400px;margin-bottom:64px;display:block}@media (width<=767px){.scatter-svg{height:240px;margin-bottom:48px}}.scatter-dot{fill:var(--accent);opacity:.6}@media (width<=767px){.scatter-dot-extra{display:none}}.research-list{flex-direction:column;gap:20px;max-width:720px;margin-inline:auto;display:flex}.research-card{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:28px;transition:border-color .2s ease-out}.research-card:hover{border-color:var(--border-strong)}.research-card h3{margin-bottom:12px;font-size:24px}.research-card p{color:var(--text-muted);margin:0;font-size:16px}.chapter-think{min-height:400vh;padding:96px 0}@media (width<=767px){.chapter-think{min-height:auto;padding:48px 0}}.chapter-think .chapter-title{margin-bottom:48px}.think-grid{grid-template-columns:40% 60%;gap:48px;display:grid}@media (width<=767px){.think-grid{display:block}}.think-visual-col{min-width:0}.think-visual-sticky{position:sticky;top:20vh}@media (width<=767px){.think-visual-sticky{margin-bottom:48px;position:static;top:auto}}.think-graph-wrap{--th-progress:0}.think-graph{aspect-ratio:1;width:100%;max-width:400px;height:auto;margin:0 auto;display:block}.think-edge{stroke:color-mix(in srgb, var(--border-strong) calc((1 - var(--th-progress)) * 100%), var(--accent) calc(var(--th-progress) * 100%));stroke-width:calc(1.5px + var(--th-progress) * 1.5px);vector-effect:non-scaling-stroke}.think-node{fill:var(--accent)}.think-principles-col{min-width:0}.principle{flex-direction:column;justify-content:center;min-height:100vh;display:flex}.principle h3{margin-bottom:16px;font-size:32px}.principle p{max-width:65ch;color:var(--text-muted);margin:0;font-size:18px}@media (width<=767px){.principle{min-height:auto;padding:32px 0;opacity:1!important}}.chapter-next{min-height:100vh;padding:96px 0}@media (width<=767px){.chapter-next{padding:48px 0}}.chapter-next .chapter-title{margin-bottom:48px}.closing-terminal-wrap{justify-content:center;margin-bottom:64px;display:flex}.closing-terminal-wrap .terminal-window{max-width:640px}.next-grid{grid-template-columns:1fr 1fr;gap:48px;display:grid}@media (width<=767px){.next-grid{grid-template-columns:1fr;gap:64px}}.section-label{color:var(--text-muted);text-transform:lowercase;margin-bottom:16px;font-size:14px}.next-lead{color:var(--text);max-width:65ch;margin:0 0 32px;font-size:18px}.next-link{color:inherit;text-decoration:underline;-webkit-text-decoration-color:var(--border-strong);text-decoration-color:var(--border-strong);text-underline-offset:3px;font-size:16px;transition:text-decoration-color .2s ease-out}.next-link:hover{-webkit-text-decoration-color:var(--accent);text-decoration-color:var(--accent)}.contact-label{color:var(--text-muted);margin-bottom:4px;font-size:14px;display:block}.contact-stack{flex-direction:column;align-items:flex-start;gap:12px;display:flex}.contact-row{flex-direction:column;display:flex}.btn-primary{background:var(--accent);color:#fff;border-radius:8px;padding:12px 20px;font-weight:500;text-decoration:none;transition:background-color .2s ease-out;display:inline-block}.btn-primary:hover{background:var(--accent-hover)}:root[data-theme=dark] .btn-primary{color:var(--bg)}.resume-cta{margin-top:4px}.work-list{flex-direction:column;gap:20px;display:flex}.work-item{flex-direction:column;display:flex}.work-desc{color:var(--text-muted);margin:4px 0 0;font-size:14px}.next-closing{text-align:center;margin-top:96px}@media (width<=767px){.next-closing{margin-top:64px}}.next-rule{border:none;border-top:1px solid var(--border);margin:0 0 24px}.next-signoff{color:var(--text-muted);margin:0;font-size:12px}