:root {
  color-scheme: dark;
  --ink: #07090d;
  --surface: #0d1118;
  --surface-2: #121823;
  --text: #f3f4f6;
  --muted: #a7afbd;
  --line: rgba(255, 255, 255, 0.13);
  --blue: #5b8cff;
  --blue-strong: #214bc5;
  --amber: #ffb34d;
  --max: 1240px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 6rem; background: var(--ink); }
body {
  margin: 0;
  background: var(--ink);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
:focus-visible { outline: 3px solid #ffbf69; outline-offset: 5px; }
button, select { font: inherit; }
button { cursor: pointer; }
[hidden] { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
img { display: block; max-width: 100%; }
.skip-link { position: fixed; left: 1rem; top: -5rem; z-index: 100; background: #fff; color: #000; padding: .75rem 1rem; }
.skip-link:focus { top: 1rem; }

.site-header {
  position: fixed;
  z-index: 50;
  left: 0;
  right: 0;
  top: 0;
  height: 76px;
  padding: 0 clamp(1.25rem, 4vw, 4rem);
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
  background: rgba(7, 9, 13, .82);
  backdrop-filter: blur(18px);
}
.wordmark { display: inline-flex; align-items: center; gap: .75rem; font-size: .95rem; font-weight: 680; letter-spacing: .02em; }
.wordmark-mark { display: grid; place-items: center; width: 34px; height: 34px; border: 1px solid rgba(255,255,255,.3); font-size: .7rem; letter-spacing: .08em; }
nav { display: flex; align-items: center; gap: clamp(1rem, 2.5vw, 2.25rem); }
nav a { color: var(--muted); font-size: .88rem; transition: color .2s ease; }
nav a:hover, nav a:focus-visible { color: #fff; }
.nav-cta { color: #fff; border: 1px solid rgba(255,255,255,.32); padding: .58rem .92rem; }

.hero {
  position: relative;
  min-height: 760px;
  padding: 9rem clamp(1.25rem, 5vw, 5rem) 5rem;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(300px, .8fr);
  gap: clamp(2rem, 5vw, 6rem);
  align-items: center;
  border-bottom: 1px solid var(--line);
  isolation: isolate;
}
.hero-art { position: absolute; inset: 0; z-index: -2; overflow: hidden; }
.hero-art img { width: 100%; height: 100%; object-fit: cover; object-position: 70% center; opacity: .7; }
.hero-scrim { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(7,9,13,.98) 0%, rgba(7,9,13,.94) 38%, rgba(7,9,13,.43) 72%, rgba(7,9,13,.68) 100%), linear-gradient(0deg, rgba(7,9,13,.82), transparent 55%); }
.hero-copy { max-width: 760px; }
.eyebrow, .section-index { margin: 0 0 1.5rem; color: var(--blue); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .78rem; letter-spacing: .13em; text-transform: uppercase; }
.eyebrow span { color: var(--muted); margin-left: .8rem; }
h1, h2, h3, p { text-wrap: pretty; }
h1 { margin: 0; max-width: 790px; font-size: clamp(3.3rem, 6.5vw, 6.5rem); line-height: .99; letter-spacing: -.055em; font-weight: 720; }
.hero-current { color: var(--muted); font-size: .875rem; margin-top: 1.25rem; }
.hero-portrait { margin: 0; width: 100%; max-width: 440px; justify-self: end; border: 1px solid var(--line); background: var(--surface); }
.hero-portrait img { width: 100%; height: auto; aspect-ratio: 4/5; object-fit: cover; object-position: center 35%; }
.hero-portrait figcaption { padding: 1.1rem 1.3rem; font-weight: 650; }
.hero-portrait figcaption span { display: block; margin-top: .2rem; color: var(--muted); font-size: .875rem; font-weight: 400; }
.hero-lede { max-width: 680px; margin: 2rem 0 0; color: #cbd1db; font-size: clamp(1.08rem, 1.8vw, 1.35rem); line-height: 1.55; }
.hero-actions, .closing-actions { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; margin-top: 2.25rem; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: .74rem 1.1rem; font-weight: 650; font-size: .9rem; transition: transform .2s ease, background .2s ease, border-color .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--blue-strong); border: 1px solid var(--blue-strong); color: #fff; }
.button-primary:hover { background: #245cf0; }
.button-secondary { border: 1px solid rgba(255,255,255,.28); color: #fff; background: rgba(7,9,13,.3); }
.button-secondary:hover { border-color: rgba(255,255,255,.55); }
.hero-status { justify-self: end; align-self: end; width: min(430px, 100%); border-top: 1px solid var(--line); }
.hero-status div { display: grid; grid-template-columns: 42px 1fr; gap: 1rem; align-items: center; padding: .9rem 0; border-bottom: 1px solid var(--line); }
.hero-status span { color: var(--amber); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .72rem; }
.hero-status strong { font-size: .9rem; font-weight: 560; }

.signal-strip { min-height: 86px; display: flex; align-items: center; justify-content: space-around; gap: 1.5rem; padding: 1.5rem clamp(1.25rem,4vw,4rem); flex-wrap: wrap; border-bottom: 1px solid var(--line); color: #a7afbd; font-size: .875rem; font-weight: 720; letter-spacing: .075em; text-transform: uppercase; }
.section { max-width: var(--max); margin: 0 auto; padding: clamp(6rem, 10vw, 10rem) clamp(1.25rem, 4vw, 3rem); }
.section-heading { display: grid; grid-template-columns: .5fr 1.4fr .75fr; gap: 2rem; align-items: start; margin-bottom: 3.5rem; }
.section-heading .section-index { margin: .4rem 0 0; }
.section-heading h2, .approach-intro h2, .closing-section h2 { margin: 0; font-size: clamp(2.2rem, 3.8vw, 4rem); line-height: 1.08; letter-spacing: -.035em; font-weight: 660; }
.section-heading > p:last-child { margin: .35rem 0 0; color: var(--muted); }
.case-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 1rem; }
.case-card { position: relative; grid-column: span 6; padding: 1.6rem; background: var(--surface); border: 1px solid var(--line); display: flex; flex-direction: column; overflow: hidden; }
.case-featured { background: linear-gradient(145deg, #111928, #0d1118 70%); }
.case-image { width: calc(100% + 3.2rem); max-width: none; height: auto; aspect-ratio: 16/9; object-fit: cover; margin: -1.6rem -1.6rem 1.5rem; }
.image-contain { object-fit: contain; background: #000; }
.case-number { color: var(--muted); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .75rem; margin-bottom: 1rem; }
.case-meta { display: flex; justify-content: space-between; gap: 1rem; color: var(--muted); font-size: .76rem; letter-spacing: .08em; text-transform: uppercase; }
.case-card h3 { margin: 1rem 0 0; font-size: clamp(2rem, 3.4vw, 3.6rem); line-height: 1; letter-spacing: -.04em; }
.case-role { margin: .65rem 0 1.4rem; color: var(--blue); font-weight: 650; }
.case-card > p:not(.case-role) { color: #bdc4cf; max-width: 60ch; }
.case-card ul { list-style: none; padding: 0; margin: auto 0 0; border-top: 1px solid var(--line); }
.case-card li { padding: .7rem 0; border-bottom: 1px solid var(--line); color: #c8ced8; font-size: .88rem; }
.case-card .case-takeaway { border-left: 2px solid var(--blue); padding-left: 1rem; margin-top: 1.5rem; font-size: .95rem; }
.case-takeaway strong { display: block; color: var(--text); margin-bottom: .3rem; font-size: .875rem; }
.case-link { display: inline-block; width: fit-content; padding: .6rem 0; color: #91afff; text-decoration: underline; text-underline-offset: .3em; }
.case-link:hover { color: #fff; }
.xr-heading { min-height: 12rem; display: flex; gap: 2rem; align-items: center; font-size: 6rem; line-height: 1; letter-spacing: -.08em; color: #c9d7ff; border-bottom: 1px solid var(--line); margin-bottom: 1.5rem; }
.xr-heading span { font-size: 1rem; letter-spacing: 0; line-height: 1.6; color: var(--muted); }
.section-note { color: var(--muted); font-size: .875rem; max-width: 85ch; margin-top: 1.5rem; }
.section-note a { text-decoration: underline; text-underline-offset: .25em; }

.artifacts-section { padding-top: 2rem; }
.artifact { display: grid; grid-template-columns: minmax(0,.8fr) minmax(0,1.2fr); gap: clamp(2rem,5vw,5rem); padding: 4rem 0; border-top: 1px solid var(--line); }
.artifact-type { margin: 0 0 1.1rem; color: var(--blue); font-size: .875rem; }
.artifact-intro h3 { margin: 0 0 1.25rem; font-size: clamp(1.8rem,2.7vw,2.65rem); line-height: 1.13; letter-spacing: -.025em; }
.artifact-intro > p:not(.artifact-type) { color: #b9c1cf; }
.artifact-intro .sample-label { color: var(--muted); font-size: .875rem; border-top: 1px solid var(--line); padding-top: 1rem; margin-top: 1.5rem; }
.document-preview { padding: clamp(1.2rem,3vw,2.3rem); background: #f0f3f8; color: #182231; border-top: 4px solid #6c94ff; }
.document-topline { display: flex; justify-content: space-between; flex-wrap: wrap; gap: .75rem; color: #515d70; font-size: .75rem; font-family: ui-monospace,monospace; border-bottom: 1px solid #c5ccd8; padding-bottom: 1rem; }
.document-preview h4 { font-size: 1.4rem; line-height: 1.3; margin: 1.6rem 0 1rem; }
.document-preview p { color: #435168; }
.table-scroll { overflow-x: auto; max-width: 100%; }
table { border-collapse: collapse; width: 100%; font-size: .875rem; margin-top: 1.6rem; }
th,td { text-align: left; vertical-align: top; padding: .85rem .65rem; border-bottom: 1px solid #c5ccd8; }
thead th { color: #fff; background: #1a2b48; font-weight: 550; }
tbody th { min-width: 6.5rem; }
.document-footnote { font-size: .875rem; padding-top: .5rem; }
.writing-preview ol { padding-left: 1.25rem; }
.writing-preview li { margin: 1.1rem 0; padding-left: .2rem; }
blockquote { margin: 1.6rem 0 0; padding: 1.1rem 1.2rem; border-left: 3px solid #3560b0; background: #e0e7f3; font-size: 1rem; }
.process-preview { display: grid; gap: .8rem; }
.process-preview > div { background: var(--surface); padding: 1.4rem 1.65rem; border-left: 2px solid #5272ad; }
.process-preview span { color: #9cb7f3; font-size: .875rem; }
.process-preview h4 { font-size: 1.2rem; line-height: 1.4; margin: .45rem 0; }
.process-preview p { color: var(--muted); margin: .6rem 0 0; }
.demo-panel { padding: clamp(1.2rem,3vw,2rem); background: #101827; border: 1px solid #344566; }
.demo-panel label { display: block; margin-bottom: .8rem; font-weight: 600; }
.demo-controls { display: flex; flex-wrap: wrap; gap: .7rem; }
.demo-controls select { max-width: 100%; width: 100%; padding: .8rem .6rem; color: #eef3ff; background: #080d17; border: 1px solid #5e7095; border-radius: 0; }
.demo-controls button { width: 100%; }
#preflight-result { margin-top: 2rem; border-top: 1px solid #344566; padding-top: 1rem; }
.demo-status { font-size: 1.25rem; font-weight: 650; color: #ffca83; }
.demo-status[data-ready="true"] { color: #9cc7ff; }
.demo-list { padding-left: 1.2rem; }
.demo-list li { padding: .3rem 0; color: #d0d8e8; }
.demo-note { color: #a7b4c9; font-size: .875rem; margin-top: 1.5rem; }
details summary { cursor: pointer; padding: .6rem 0; }
.manifest-details { border-top: 1px solid #344566; padding-top: .8rem; }
.manifest-details summary { color: #9fbbff; }
pre { white-space: pre-wrap; overflow-wrap: anywhere; font-size: .875rem; line-height: 1.7; max-width: 100%; }
.about-section { display: grid; grid-template-columns: minmax(0,.8fr) minmax(0,1.2fr); gap: clamp(2rem,6vw,6rem); }
.about-copy h2 { margin: 0 0 1.5rem; font-size: clamp(2.3rem,3.3vw,3.5rem); line-height: 1.1; letter-spacing: -.035em; }
.about-copy p:not(.section-index) { color: var(--muted); }
.about-copy .about-credentials { margin-top: 2rem; color: #c7d6ff; font-size: .875rem; }
.photo-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
.photo-grid figure { margin: 0; min-width: 0; }
.photo-grid img { width: 100%; height: auto; aspect-ratio: 3/4; object-fit: cover; }
.photo-grid figure:nth-child(2) { padding-top: 3rem; }
.photo-grid figure:nth-child(3) img { object-position: 70% center; }
.photo-grid figure:nth-child(4) { padding-top: 3rem; }
.photo-grid figcaption { padding: .75rem 0; color: var(--muted); font-size: .875rem; }
.credits { max-width: var(--max); padding: 0 clamp(1.25rem,4vw,3rem) 3rem; margin: auto; color: var(--muted); font-size: .875rem; }
.credits details { border-top: 1px solid var(--line); padding-top: 1rem; }
.credits ul { display: flex; flex-wrap: wrap; gap: .6rem 2rem; padding-left: 1.1rem; }
.credits a { text-decoration: underline; text-underline-offset: .25em; }

.approach-section { max-width: none; display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(3rem, 7vw, 8rem); background: #eef2f8; color: #0a0d12; padding-left: max(clamp(1.25rem, 4vw, 3rem), calc((100vw - var(--max))/2 + 3rem)); padding-right: max(clamp(1.25rem, 4vw, 3rem), calc((100vw - var(--max))/2 + 3rem)); }
.approach-section .section-index { color: #345cad; }
.approach-intro { position: sticky; top: 120px; align-self: start; }
.approach-intro p:last-child { color: #505967; max-width: 52ch; font-size: 1.08rem; }
.principles article { display: grid; grid-template-columns: 90px 1fr; column-gap: 1.5rem; padding: 2rem 0; border-top: 1px solid rgba(10,13,18,.2); }
.principles article:last-child { border-bottom: 1px solid rgba(10,13,18,.2); }
.principles span { grid-row: span 2; color: #446ecf; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .75rem; text-transform: uppercase; letter-spacing: .1em; }
.principles h3 { margin: 0; font-size: clamp(1.35rem, 2vw, 2rem); }
.principles p { margin: .5rem 0 0; color: #58616e; }

.experience-section { padding-bottom: 7rem; }
.section-heading.compact { grid-template-columns: .5fr 1.5fr; }
.timeline { border-top: 1px solid var(--line); }
.timeline-row { display: grid; grid-template-columns: 180px minmax(220px,.65fr) 1fr; gap: 1rem; padding: 1.25rem 0; border-bottom: 1px solid var(--line); align-items: baseline; }
.timeline-row span { color: var(--muted); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .78rem; }
.timeline-row strong { font-size: 1.05rem; }
.timeline-row p { margin: 0; color: #aeb6c2; }
.toolkit { margin-top: 4rem; display: grid; grid-template-columns: 180px 1fr; gap: 1rem; }
.toolkit > p { margin: .2rem 0 0; color: var(--muted); font-size: .85rem; }
.toolkit div { display: flex; flex-wrap: wrap; gap: .55rem; }
.toolkit span { border: 1px solid var(--line); padding: .55rem .72rem; font-size: .8rem; color: #cbd1da; }

.closing-section { position: relative; padding: clamp(6rem, 11vw, 11rem) max(clamp(1.25rem, 6vw, 6rem), calc((100vw - var(--max))/2 + 3rem)); background: var(--blue-strong); overflow: hidden; }
.closing-section::after { content: "SF"; position: absolute; right: -2vw; bottom: -18vw; font-size: 44vw; line-height: 1; letter-spacing: -.12em; font-weight: 800; color: rgba(2,12,38,.11); pointer-events: none; }
.closing-section .section-index { color: rgba(255,255,255,.72); }
.closing-section h2 { position: relative; z-index: 1; max-width: 1000px; font-size: clamp(3rem, 7vw, 7rem); }
.closing-section > p:not(.section-index) { position: relative; z-index: 1; max-width: 700px; font-size: 1.1rem; color: rgba(255,255,255,.8); }
.closing-actions { position: relative; z-index: 1; }
.closing-section .button-primary { background: #fff; color: #111827; border-color: #fff; }
.text-link { font-weight: 650; padding: .7rem .25rem; border-bottom: 1px solid rgba(255,255,255,.45); }
footer { max-width: var(--max); margin: 0 auto; padding: 2.25rem clamp(1.25rem,4vw,3rem); display: grid; grid-template-columns: 1fr auto auto; align-items: center; gap: 2rem; color: var(--muted); font-size: .82rem; }
footer p { margin: 0; }

@media (max-width: 900px) {
  .site-header nav a[href="#approach"], .site-header nav a[href="#experience"] { display: none; }
  .hero { min-height: 760px; grid-template-columns: 1fr; padding-top: 9rem; }
  .hero-copy { align-self: end; }
  .hero-portrait { justify-self: start; max-width: 430px; }
  .artifact, .about-section { grid-template-columns: 1fr; }
  .hero-status { justify-self: stretch; align-self: end; margin-top: 4rem; }
  .hero-scrim { background: linear-gradient(90deg, rgba(7,9,13,.96), rgba(7,9,13,.55)), linear-gradient(0deg, rgba(7,9,13,.9), transparent 65%); }
  .section-heading { grid-template-columns: 1fr; gap: 1.25rem; }
  .case-card, .case-featured, .case-featured + .case-card { grid-column: span 12; }
  .approach-section { grid-template-columns: 1fr; }
  .approach-intro { position: static; }
  .timeline-row { grid-template-columns: 130px 1fr; }
  .timeline-row p { grid-column: 2; }
  .toolkit { grid-template-columns: 1fr; }
}

@media (max-width: 620px) {
  .site-header { height: 68px; }
  .wordmark > span:last-child { display: none; }
  .hero { min-height: 720px; padding-top: 7.5rem; }
  h1 { font-size: clamp(2.8rem, 12vw, 4.5rem); }
  .hero { padding-bottom: 3.5rem; }
  .hero-portrait { max-width: 350px; }
  .eyebrow span { display: block; margin: .4rem 0 0; }
  .site-header nav { gap: .85rem; }
  .site-header nav a { font-size: .875rem; }
  .nav-cta { padding: .55rem .65rem; }
  .hero-actions .button { width: 100%; }
  .signal-strip { justify-content: flex-start; gap: 1rem 1.5rem; }
  .section { padding-top: 5.5rem; padding-bottom: 5.5rem; }
  .case-card { padding: 1.25rem; }
  .case-image { width: calc(100% + 2.5rem); margin: -1.25rem -1.25rem 1.4rem; }
  .artifact { padding: 3rem 0; }
  .photo-grid { gap: 1rem; }
  .section-heading.compact { grid-template-columns: 1fr; }
  .closing-actions .button { overflow-wrap: anywhere; max-width: 100%; font-size: .875rem; }
  .principles article { grid-template-columns: 1fr; }
  .principles span { grid-row: auto; margin-bottom: .75rem; }
  .timeline-row { grid-template-columns: 1fr; gap: .25rem; }
  .timeline-row p { grid-column: 1; }
  .closing-actions .button { width: 100%; }
  footer { grid-template-columns: 1fr; }
}

@media print {
  .site-header, .hero-art, .hero-actions, .signal-strip, .demo-controls, .closing-actions, .credits { display: none; }
  body { background: white; color: black; }
  .hero { padding-top: 1rem; min-height: auto; }
  .section { padding: 2rem 0; }
  .artifact, .case-card, figure { break-inside: avoid; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .001ms !important; animation-duration: .001ms !important; }
}