:root {
  --paper: #f3f1ea;
  --paper-raised: #faf9f5;
  --ink: #171916;
  --muted: #656960;
  --line: #c9c9bf;
  --accent: #a94224;
  --accent-soft: #eed4c9;
  --contact: #963b22;
  --dark: #111310;
  --light: #f7f5ee;
  --max: 1280px;
  --gutter: clamp(1.25rem, 4vw, 4.5rem);
  --space-section: clamp(6rem, 12vw, 11rem);
  --serif: Iowan Old Style, Baskerville, "Times New Roman", serif;
  --sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

@media (prefers-color-scheme: dark) {
  :root { --paper: #111310; --paper-raised: #181b17; --ink: #efeee8; --muted: #a5a99f; --line: #393d37; --accent: #ff744b; --accent-soft: #4e2d23; --contact: #963b22; }
}

html[data-theme="light"] { --paper: #f3f1ea; --paper-raised: #faf9f5; --ink: #171916; --muted: #656960; --line: #c9c9bf; --accent: #a94224; --accent-soft: #eed4c9; --contact: #963b22; color-scheme: light; }
html[data-theme="dark"] { --paper: #111310; --paper-raised: #181b17; --ink: #efeee8; --muted: #a5a99f; --line: #393d37; --accent: #ff744b; --accent-soft: #4e2d23; --contact: #963b22; color-scheme: dark; }
html[data-theme="system"] { color-scheme: light dark; }

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 6rem; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--sans); line-height: 1.5; text-rendering: optimizeLegibility; transition: background-color .25s ease, color .25s ease; }
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button:focus-visible, a:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
.skip-link { position: fixed; left: 1rem; top: -5rem; z-index: 100; background: var(--ink); color: var(--paper); padding: .75rem 1rem; text-decoration: none; }
.skip-link:focus { top: 1rem; }

.site-header { position: sticky; top: 0; z-index: 50; min-height: 76px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 2rem; padding: 0 var(--gutter); border-bottom: 1px solid transparent; background: color-mix(in srgb, var(--paper) 88%, transparent); backdrop-filter: blur(16px); transition: border-color .2s ease; }
.site-header.is-scrolled { border-color: var(--line); }
.wordmark { display: inline-flex; width: max-content; align-items: center; gap: .75rem; text-decoration: none; font-weight: 650; letter-spacing: -.02em; }
.wordmark-photo { display: block; width: 2rem; height: 2rem; border: 1px solid var(--ink); border-radius: 50%; object-fit: cover; object-position: center 28%; }
.site-nav { display: flex; gap: 2rem; }
.site-nav a { position: relative; color: var(--muted); text-decoration: none; font-size: .88rem; font-weight: 550; }
.site-nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -.45rem; height: 1px; background: var(--accent); transition: right .2s ease; }
.site-nav a:hover { color: var(--ink); }
.site-nav a:hover::after { right: 0; }
.header-actions { justify-self: end; display: flex; align-items: center; gap: 1rem; }
.theme-picker { display: inline-flex; padding: 2px; border: 1px solid var(--line); border-radius: 999px; background: color-mix(in srgb, var(--paper-raised) 80%, transparent); }
.theme-option { display: grid; width: 2rem; height: 2rem; place-items: center; padding: 0; border: 0; border-radius: 50%; background: transparent; color: var(--muted); cursor: pointer; transition: background-color .2s ease, color .2s ease, transform .2s ease; }
.theme-option:hover { color: var(--ink); transform: translateY(-1px); }
.theme-option[aria-pressed="true"] { background: var(--ink); color: var(--paper); }
.theme-option:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.theme-option svg { width: 1rem; height: 1rem; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }

.button { display: inline-flex; justify-content: center; align-items: center; min-height: 48px; padding: .75rem 1.2rem; border: 1px solid var(--ink); background: var(--ink); color: var(--paper); text-decoration: none; font-size: .87rem; font-weight: 650; transition: transform .2s ease, background .2s ease, color .2s ease; }
.button:hover { transform: translateY(-2px); background: var(--accent); border-color: var(--accent); color: var(--light); }
.button-small { min-height: 38px; padding: .5rem .9rem; }
.button-light { border-color: var(--light); background: var(--light); color: var(--dark); }
.button-light:hover { border-color: var(--accent); background: var(--accent); color: var(--light); }
.text-link { display: inline-flex; align-items: baseline; gap: .35rem; width: max-content; border-bottom: 1px solid currentColor; text-decoration: none; font-size: .88rem; font-weight: 650; padding-bottom: .2rem; }
.text-link:hover { color: var(--accent); }
.text-link-muted { color: var(--muted); }

.hero { position: relative; isolation: isolate; min-height: max(760px, calc(100svh - 76px)); display: flex; flex-direction: column; overflow: hidden; padding: clamp(4rem, 10vh, 7rem) var(--gutter) clamp(3rem, 7vh, 5rem); }
.hero::after { content: ""; position: absolute; z-index: 1; inset: 0; pointer-events: none; background: linear-gradient(180deg, var(--paper) 0%, color-mix(in srgb, var(--paper) 88%, transparent) 28%, color-mix(in srgb, var(--paper) 20%, transparent) 66%, var(--paper) 100%); }
.hero > :not(.hero-media) { position: relative; z-index: 2; }
.hero-kicker { display: flex; align-items: center; gap: .6rem; margin-bottom: clamp(2rem, 5vh, 4rem); color: var(--muted); font: 560 .72rem var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.status-dot { width: .5rem; height: .5rem; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 5px var(--accent-soft); }
.hero h1 { max-width: 1050px; margin: 0; font-size: clamp(3.65rem, 9.6vw, 9.2rem); line-height: .84; letter-spacing: -.068em; font-weight: 690; }
.hero h1 em { color: var(--accent); font-family: var(--serif); font-weight: 400; }
.hero-media { position: absolute; z-index: 0; inset: 0; width: 100%; height: 100%; margin: 0; overflow: hidden; background: var(--paper); }
.hero-media picture { display: flex; align-items: flex-end; width: 100%; height: 100%; }
.hero-media img { display: block; width: 100%; height: auto; max-height: 100%; aspect-ratio: 16 / 9; object-fit: contain; object-position: center bottom; opacity: .78; }
html[data-theme="light"] .hero-media img { mix-blend-mode: multiply; }
html[data-theme="dark"] .hero-media img { mix-blend-mode: normal; opacity: .72; }
@media (prefers-color-scheme: light) { html[data-theme="system"] .hero-media img { mix-blend-mode: multiply; } }
@media (prefers-color-scheme: dark) { html[data-theme="system"] .hero-media img { mix-blend-mode: normal; opacity: .72; } }
.hero-media figcaption, .project-visual figcaption { position: absolute; inset: auto 0 0; z-index: 2; display: flex; justify-content: space-between; gap: 1rem; padding: 2.5rem 1rem .85rem; background: linear-gradient(transparent, rgb(0 0 0 / .68)); color: #fff; font: 600 .62rem var(--mono); letter-spacing: .06em; text-transform: uppercase; }
.hero-media figcaption a, .project-visual figcaption a { text-underline-offset: .2rem; }
.hero-bottom { width: min(46rem, 100%); margin: auto 0 0 auto; display: grid; grid-template-columns: 1fr auto; align-items: end; gap: 2.5rem; }
.hero-summary { margin: 0; color: var(--muted); font-size: clamp(1rem, 1.6vw, 1.28rem); line-height: 1.55; }
.hero-cta { display: flex; flex-direction: column; align-items: flex-start; gap: 1.1rem; }
.hero-diagram { position: absolute; z-index: -1; inset: auto 0 0; opacity: .38; }
.hero-diagram svg { display: block; width: 100%; fill: var(--accent); }
.diagram-line { fill: none; stroke: var(--line); stroke-width: 1.3; vector-effect: non-scaling-stroke; }
.diagram-line-faint { opacity: .45; }

.proof-strip { display: grid; grid-template-columns: repeat(4, 1fr); border-block: 1px solid var(--line); }
.proof-strip div { min-height: 150px; display: flex; flex-direction: column; justify-content: space-between; padding: 1.5rem var(--gutter); border-right: 1px solid var(--line); }
.proof-strip div:last-child { border-right: 0; }
.proof-strip strong { font-family: var(--serif); font-size: clamp(2.2rem, 4vw, 4rem); font-weight: 400; letter-spacing: -.04em; }
.proof-strip span { max-width: 12rem; color: var(--muted); font-size: .78rem; line-height: 1.35; }

.section { max-width: var(--max); margin: 0 auto; padding: var(--space-section) var(--gutter); }
#work { padding-bottom: 0; }
#experience { padding-top: clamp(4rem, 7vw, 6rem); }
.section-heading { max-width: 50rem; margin-bottom: clamp(4rem, 8vw, 7rem); }
.eyebrow { margin: 0 0 1.5rem; color: var(--accent); font: 650 .72rem var(--mono); letter-spacing: .13em; text-transform: uppercase; }
.section-heading h2, .about-section h2 { margin: 0; font-size: clamp(2.5rem, 5.4vw, 5.2rem); line-height: .98; letter-spacing: -.055em; font-weight: 620; }
.section-heading > p:last-child { max-width: 38rem; margin: 1.5rem 0 0; color: var(--muted); font-size: 1.08rem; }

.project-list { border-top: 1px solid var(--line); }
.project { display: grid; grid-template-columns: 4rem minmax(0, 1fr); gap: clamp(1rem, 4vw, 4rem); padding: clamp(3.5rem, 7vw, 6rem) 0; border-bottom: 1px solid var(--line); }
.project-featured { grid-template-columns: 4rem minmax(0, 1fr); }
.project-text-only { grid-template-columns: 4rem minmax(0, 1fr); }
.project-side-visual { grid-template-columns: 4rem minmax(0, 1.15fr) minmax(300px, .85fr); }
.project-side-visual .project-main { grid-column: 2; }
.project-side-visual .project-visual { grid-column: 3; grid-row: 1; align-self: center; margin: 0; }
.project-main { grid-column: 2; max-width: 64rem; }
.project-index { padding-top: .4rem; color: var(--accent); font: 650 .75rem var(--mono); }
.project-meta { margin: 0 0 1.2rem; color: var(--muted); font: 600 .68rem var(--mono); letter-spacing: .07em; text-transform: uppercase; }
.project h3 { margin: 0 0 1.3rem; font-family: var(--serif); font-size: clamp(2.2rem, 4.5vw, 4.5rem); line-height: 1; font-weight: 400; letter-spacing: -.045em; }
.project-lead { max-width: 43rem; margin: 0; font-size: clamp(1.05rem, 1.6vw, 1.3rem); line-height: 1.55; }
.project-details { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin: 2.5rem 0; }
.project-details div { padding-top: .8rem; border-top: 1px solid var(--line); }
.project-details dt { margin-bottom: .45rem; color: var(--muted); font: 600 .65rem var(--mono); letter-spacing: .06em; text-transform: uppercase; }
.project-details dd { margin: 0; font-size: .83rem; line-height: 1.45; }
.project-links { display: flex; flex-wrap: wrap; gap: 1.2rem; }
.project-visual { position: relative; grid-column: 2; width: 100%; min-height: 340px; margin: clamp(1.75rem, 4vw, 3rem) 0 0; overflow: hidden; align-self: start; display: grid; place-items: center; border: 1px solid var(--line); background: var(--paper-raised); }
.project-visual p { position: absolute; left: 1rem; bottom: .85rem; margin: 0; color: var(--muted); font: 600 .62rem var(--mono); letter-spacing: .1em; }
.project-image { min-height: 0; align-self: start; }
.project-image img { display: block; width: 100%; height: auto; min-height: 0; object-fit: contain; }
.engine-visual { display: grid; grid-template-rows: 1fr auto; min-height: 420px; padding: 1.5rem 1.5rem 0; }
.engine-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); align-items: center; gap: 1.5rem; width: 100%; height: 100%; }
.engine-grid img { display: block; width: 100%; max-height: 320px; object-fit: contain; mix-blend-mode: multiply; }
html[data-theme="dark"] .engine-grid img { mix-blend-mode: normal; background: #f7f5ee; }
.engine-visual-single { aspect-ratio: 1; min-height: 0; padding: clamp(1.25rem, 3vw, 2.5rem); background: radial-gradient(circle at 50% 42%, #fffdf8 0 34%, #e8e1d5 74%, #d9d0c1 100%); }
.engine-visual-single img { display: block; width: auto; height: min(100%, 460px); max-width: 100%; object-fit: contain; mix-blend-mode: normal; transform: translateY(-10%); }
html[data-theme="dark"] .engine-visual-single { background: radial-gradient(circle at 50% 42%, #3a403b 0 32%, #222722 72%, #141714 100%); }
@media (prefers-color-scheme: dark) { html[data-theme="system"] .engine-visual-single { background: radial-gradient(circle at 50% 42%, #3a403b 0 32%, #222722 72%, #141714 100%); } }
.visual-scan .scan-face { width: 124px; height: 168px; border: 1px solid var(--ink); border-radius: 52% 48% 44% 46%; }
.scan-line { position: absolute; top: 18%; bottom: 16%; left: 50%; width: 1px; background: var(--accent); animation: scan 4s ease-in-out infinite; }
.scan-node { position: absolute; width: 7px; height: 7px; border: 1px solid var(--accent); border-radius: 50%; background: var(--paper-raised); }
.node-a { transform: translate(-48px, -34px); }.node-b { transform: translate(53px, 10px); }.node-c { transform: translate(-30px, 58px); }
.visual-flow { display: flex; gap: .6rem; padding: 2rem; }
.flow-node { display: grid; place-items: center; width: 72px; aspect-ratio: 1; border: 1px solid var(--ink); border-radius: 50%; font: 650 .65rem var(--mono); }
.visual-flow i { width: 24px; height: 1px; background: var(--accent); }
.visual-track svg { width: 80%; fill: none; stroke: var(--ink); stroke-width: 1; }
.visual-track circle { fill: var(--accent); stroke: none; }

.split-section { display: grid; grid-template-columns: minmax(280px, .78fr) minmax(0, 1.22fr); gap: clamp(4rem, 10vw, 10rem); }
.sticky-heading { position: sticky; top: 9rem; align-self: start; margin: 0; }
.sticky-heading .text-link { margin-top: 2rem; }
.timeline { border-top: 1px solid var(--line); }
.timeline article { position: relative; display: grid; grid-template-columns: 7rem 1fr; padding: 2rem 0 2rem 1.5rem; border-bottom: 1px solid var(--line); }
.timeline article::before { content: ""; position: absolute; left: 0; top: 2.45rem; width: .5rem; height: .5rem; border-radius: 50%; background: var(--accent); }
.timeline-date { grid-row: 1 / span 4; margin: .25rem 0 0; color: var(--muted); font: 600 .67rem var(--mono); }
.timeline h3 { margin: 0; font-family: var(--serif); font-size: 1.65rem; font-weight: 400; }
.timeline h3 + p { margin: .25rem 0 .65rem; font-weight: 600; font-size: .83rem; }
.timeline span { color: var(--muted); font-size: .87rem; }
.timeline a { width: max-content; margin-top: .65rem; color: var(--accent); font-size: .78rem; }
.timeline-more { opacity: 1; }

.capability-section { max-width: none; background: var(--dark); color: var(--light); }
.capability-section > * { max-width: calc(var(--max) - 2 * var(--gutter)); margin-inline: auto; }
.capability-section .eyebrow, .capability-grid span { color: #ff744b; }
.capability-section .section-heading { margin-bottom: clamp(3rem, 7vw, 6rem); }
.capability-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid #3d403b; border-left: 1px solid #3d403b; }
.capability-grid article { min-height: 260px; display: flex; flex-direction: column; padding: 1.5rem; border-right: 1px solid #3d403b; border-bottom: 1px solid #3d403b; }
.capability-grid span { color: #ff744b; font: 650 .68rem var(--mono); }
.capability-grid h3 { margin: auto 0 1rem; font-family: var(--serif); font-size: 1.8rem; font-weight: 400; }
.capability-grid p { margin: 0; color: #a9ada4; font-size: .88rem; }
.tools-line { margin-top: 2rem; color: #a9ada4; font: 500 .78rem/1.8 var(--mono); }
.tools-line span { margin-right: 1.2rem; color: var(--light); }

.about-section { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(4rem, 10vw, 10rem); }
.about-intro { display: flex; flex-direction: column; }
.about-portrait { width: min(100%, 360px); aspect-ratio: 1; margin: clamp(2.5rem, 5vw, 4rem) 0 0; overflow: hidden; border: 1px solid var(--line); }
.about-portrait img { display: block; width: 100%; height: 100%; object-fit: cover; }
.about-copy { padding-top: 3.2rem; }
.about-copy p { color: var(--muted); }
.about-copy .large-copy { margin: 0 0 2.5rem; color: var(--ink); font-family: var(--serif); font-size: clamp(1.6rem, 2.8vw, 2.7rem); line-height: 1.23; letter-spacing: -.02em; }

.contact-section { padding: clamp(5rem, 10vw, 9rem) var(--gutter); background: var(--contact); color: var(--light); }
.contact-section > * { max-width: var(--max); margin-inline: auto; }
.contact-section .eyebrow { color: var(--light); opacity: 1; }
.contact-section h2 { margin-top: 0; font-family: var(--serif); font-size: clamp(3rem, 8vw, 7.8rem); line-height: .95; font-weight: 400; letter-spacing: -.055em; }
.contact-section > p:not(.eyebrow) { font-size: 1.1rem; }
.contact-actions { max-width: var(--max); display: flex; align-items: center; gap: 2rem; margin-top: 3rem; }
.text-link-light { color: var(--light); }
.text-link-light:hover { color: var(--dark); }

.site-footer { display: grid; grid-template-columns: 1fr 1fr auto; gap: 2rem; padding: 2rem var(--gutter); background: var(--dark); color: #a9ada4; border-top: 1px solid #3d403b; font-size: .72rem; }
.site-footer p { margin: 0; }.site-footer a { text-decoration: none; color: var(--light); }

.reveal { animation: reveal .8s cubic-bezier(.22,.61,.36,1) both; }
.reveal-delay-1 { animation-delay: .12s; }.reveal-delay-2 { animation-delay: .24s; }
@keyframes reveal { from { opacity: 0; transform: translateY(28px); } to { opacity: 1; transform: translateY(0); } }
@keyframes scan { 0%, 100% { transform: translateX(-70px); opacity: .35; } 50% { transform: translateX(70px); opacity: 1; } }

@media (max-width: 960px) {
  .site-header { grid-template-columns: 1fr auto; }
  .site-nav { display: none; }
  .hero-bottom { grid-template-columns: 1fr; margin-left: 0; }
  .hero-cta { flex-direction: row; align-items: center; }
  .proof-strip { grid-template-columns: repeat(2, 1fr); }
  .proof-strip div:nth-child(2) { border-right: 0; }.proof-strip div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .project, .project-featured { grid-template-columns: 2.5rem 1fr; }
  .project-visual { grid-column: 2; min-height: 300px; }
  .project-side-visual .project-visual { grid-column: 2; grid-row: auto; margin-top: clamp(1.75rem, 4vw, 3rem); }
  .split-section, .about-section { grid-template-columns: 1fr; }
  .sticky-heading { position: static; }
  .capability-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 620px) {
  .site-header { min-height: 66px; gap: .5rem; }
  .wordmark-name { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
  .header-actions { gap: .15rem; }
  .theme-picker { margin-right: .2rem; }
  .theme-option { width: 1.85rem; height: 1.85rem; }
  .button-small { min-height: 36px; }
  .hero { min-height: calc(100svh - 66px); }
  .hero h1 { font-size: clamp(3.4rem, 17vw, 5.2rem); }
  .hero h1 em { display: inline-block; font-size: .83em; }
  .hero-media figcaption, .project-visual figcaption { gap: .5rem; font-size: .54rem; letter-spacing: .03em; }
  .hero-summary { font-size: 1rem; }
  .hero-bottom { padding-bottom: 10rem; }
  .hero-cta { align-items: flex-start; flex-direction: column; }
  .proof-strip { grid-template-columns: 1fr 1fr; }
  .proof-strip div { min-height: 128px; padding: 1.1rem var(--gutter); }
  .proof-strip strong { font-size: 2.1rem; }
  .section-heading { margin-bottom: 3.5rem; }
  .project { grid-template-columns: 1fr; gap: 1rem; }
  .project.project-side-visual { grid-template-columns: minmax(0, 1fr); }
  .project-index { margin-bottom: .5rem; }
  .project-main { grid-column: 1; }
  .project-visual { grid-column: 1; min-height: 260px; margin-top: 1.5rem; }
  .project-side-visual .project-main, .project-side-visual .project-visual { grid-column: 1; width: 100%; min-width: 0; }
  .project-image { min-height: 0; }
  .project-image img { min-height: 0; }
  .engine-visual-single { min-height: 0; }
  .engine-visual-single img { width: 100%; height: auto; max-height: none; transform: translateY(-6%); }
  .engine-grid { min-height: 220px; }
  .project-details { grid-template-columns: 1fr; gap: 1.25rem; }
  .capability-grid { grid-template-columns: 1fr; }
  .capability-grid article { min-height: 220px; }
  .timeline article { grid-template-columns: 1fr; padding-left: 1.25rem; }
  .timeline-date { grid-row: auto; margin-bottom: .65rem; }
  .contact-actions { flex-direction: column; align-items: flex-start; }
  .button-light { width: 100%; font-size: .8rem; }
  .site-footer { grid-template-columns: 1fr; gap: .5rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}

@media print {
  :root { --paper: #fff; --paper-raised: #fff; --ink: #000; --muted: #333; --line: #aaa; --accent: #333; }
  .site-header, .hero-diagram, .theme-select-label, .contact-section, .site-footer, .button { display: none !important; }
  .hero { min-height: auto; padding-top: 1cm; }
  .section { padding-block: 1cm; }
  .project, .capability-grid article, .timeline article { break-inside: avoid; }
  .project-visual { min-height: 180px; }
  .capability-section { background: #fff; color: #000; }
}