:root {
  --paper: #f3efe5;
  --paper-deep: #e7dfcf;
  --ink: #101010;
  --muted: #504c45;
  --line: rgba(16,16,16,.22);
  --blue: #2458ff;
  --blue-dark: #173dbd;
  --acid: #c8ff4d;
  --yellow: #ffe875;
  --coral: #ff6a54;
  --white: #fffdf7;
  --mono: "DM Mono", monospace;
  --sans: "Manrope", sans-serif;
  --serif: "Newsreader", serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font: 16px/1.55 var(--sans); overflow-x: hidden; }
body::before { content: ""; position: fixed; inset: 0; pointer-events: none; z-index: 30; opacity: .2; background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitchTiles'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.08'/%3E%3C/svg%3E"); }
a { color: inherit; }
button { font: inherit; }
.skip-link { position: fixed; z-index: 50; left: 16px; top: -80px; padding: 12px 18px; color: white; background: var(--ink); }
.skip-link:focus { top: 16px; }
:focus-visible { outline: 3px solid var(--acid); outline-offset: 4px; }

.site-header { position: sticky; top: 0; z-index: 20; min-height: 82px; padding: 0 clamp(20px,4vw,64px); display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 30px; background: rgba(243,239,229,.92); border-bottom: 1px solid var(--line); backdrop-filter: blur(14px); }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; font-weight: 800; line-height: 1.05; }
.brand-mark { width: 40px; height: 40px; display: grid; place-items: center; flex: 0 0 auto; color: var(--acid); background: var(--ink); border-radius: 50%; font: 500 11px var(--mono); }
.brand-copy small { display: block; margin-top: 5px; color: var(--muted); font: 400 9px var(--mono); letter-spacing: .1em; text-transform: uppercase; }
nav { display: flex; gap: 28px; }
nav a, .header-actions a { min-height: 44px; display: inline-flex; align-items: center; font: 500 10px var(--mono); letter-spacing: .08em; text-decoration: none; text-transform: uppercase; }
nav a { position: relative; }
nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: 8px; height: 2px; background: var(--blue); transition: right .2s; }
nav a:hover::after, nav a:focus-visible::after { right: 0; }
.header-actions { justify-self: end; display: flex; align-items: center; gap: 22px; }
.header-actions a { border-bottom: 1px solid; }
.header-contact { color: var(--blue-dark); }
.nav-toggle { display: none; }

.hero { min-height: calc(100vh - 82px); padding: clamp(46px,6vw,86px) clamp(20px,6vw,96px) 46px; display: flex; flex-direction: column; }
.hero-status { align-self: flex-start; display: flex; align-items: center; gap: 10px; padding: 9px 12px; border: 1px solid var(--line); background: var(--white); font: 500 9px var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: #61b741; box-shadow: 0 0 0 4px rgba(97,183,65,.16); }
.hero-layout { flex: 1; display: grid; grid-template-columns: minmax(0,1.55fr) minmax(310px,.62fr); gap: clamp(44px,7vw,110px); align-items: center; }
.role-line, .section-index { color: var(--blue-dark); font: 500 10px var(--mono); letter-spacing: .12em; text-transform: uppercase; }
h1 { max-width: 1000px; margin: 18px 0 28px; font-size: clamp(58px,7.2vw,112px); line-height: .91; letter-spacing: -.066em; }
h1 em { color: var(--blue); font-family: var(--serif); font-weight: 500; }
.hero-subheadline { max-width: 820px; margin: 0; color: #35322e; font-size: clamp(17px,1.35vw,21px); }
.hero-tagline { max-width: 750px; margin: 18px 0 0; color: var(--blue-dark); font: 500 11px/1.6 var(--mono); }
.hero-actions { margin-top: 32px; display: flex; flex-wrap: wrap; gap: 12px; }
.button { min-height: 50px; display: inline-flex; align-items: center; justify-content: space-between; gap: 34px; padding: 14px 18px; border: 1px solid var(--ink); font: 500 10px var(--mono); letter-spacing: .08em; text-decoration: none; text-transform: uppercase; }
.button-dark { color: var(--white); background: var(--ink); }
.button-dark:hover { color: var(--ink); background: var(--acid); }
.button-outline:hover { background: var(--white); }

.hero-proof { border: 1px solid var(--ink); background: var(--white); box-shadow: 8px 8px 0 var(--ink); }
.proof-heading { padding: 13px 15px; display: flex; justify-content: space-between; gap: 10px; border-bottom: 1px solid var(--ink); font: 500 9px var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.proof-heading span:last-child { color: var(--blue-dark); }
.metric-item { padding: 20px 16px; border-bottom: 1px solid var(--line); }
.metric-item strong, .metric-item span, .metric-item small { display: block; }
.metric-item strong { font-size: 32px; line-height: 1; letter-spacing: -.05em; }
.metric-item span { margin-top: 7px; font-size: 12px; }
.metric-item small { margin-top: 5px; color: var(--muted); font: 400 8px/1.4 var(--mono); }
.proof-note { margin: 0; padding: 12px 16px; background: var(--acid); font: 400 9px/1.5 var(--mono); }

.lens-shell { border-top: 1px solid var(--ink); }
.lens-heading { padding: 11px 0; display: flex; justify-content: space-between; color: var(--muted); font: 400 8px var(--mono); letter-spacing: .1em; text-transform: uppercase; }
.track-lens { display: grid; grid-template-columns: repeat(6,1fr); border: 1px solid var(--ink); }
.lens-button { min-height: 44px; padding: 9px 12px; border: 0; border-right: 1px solid var(--ink); color: var(--ink); background: transparent; cursor: pointer; font: 500 9px var(--mono); letter-spacing: .07em; text-transform: uppercase; }
.lens-button:last-child { border-right: 0; }
.lens-button:hover { background: var(--white); }
.lens-button.is-active { color: var(--white); background: var(--blue); }

.about-strip { padding: 48px clamp(20px,6vw,96px); display: grid; grid-template-columns: .55fr 1.8fr; gap: clamp(30px,7vw,110px); color: white; background: var(--ink); }
.about-strip .section-index { color: var(--acid); }
.about-strip > p:last-child { max-width: 1050px; margin: 0; font-size: clamp(19px,2vw,30px); line-height: 1.4; letter-spacing: -.025em; }

.featured-section, .evidence-section, .project-section, .experience-section, .capability-section, .education-section, .verification-section, .contact-section { padding: clamp(84px,10vw,150px) clamp(20px,6vw,96px); }
.section-heading { display: grid; grid-template-columns: 1.45fr .7fr; gap: clamp(42px,8vw,130px); align-items: end; margin-bottom: 56px; }
.section-heading h2, .education-section h2, .verification-section h2, .contact-section h2 { margin: 12px 0 0; font-size: clamp(46px,5.8vw,86px); line-height: .96; letter-spacing: -.055em; }
.section-heading > p { max-width: 520px; margin: 0; color: var(--muted); }
.compact-heading h2 { font-size: clamp(42px,4.8vw,70px); }

.featured-case { border: 1px solid var(--ink); background: var(--white); box-shadow: 10px 10px 0 var(--ink); }
.case-header { padding: clamp(26px,4vw,54px); display: grid; grid-template-columns: 1.4fr .6fr; gap: 40px; color: white; background: var(--blue); }
.case-kicker { margin: 0 0 14px; font: 500 9px var(--mono); letter-spacing: .1em; text-transform: uppercase; }
.case-header h3 { max-width: 860px; margin: 0; font-size: clamp(38px,5vw,72px); line-height: .96; letter-spacing: -.055em; }
.case-header > p { margin: 0; align-self: end; color: rgba(255,255,255,.85); }
.case-attribution { margin-top: 16px; color: var(--acid); font: 500 9px var(--mono); text-transform: uppercase; }
.case-blocks { display: grid; grid-template-columns: repeat(3,1fr); }
.case-block { min-height: 350px; padding: 30px; border-right: 1px solid var(--ink); }
.case-block:last-child { border-right: 0; background: var(--acid); }
.case-block > span { font: 500 9px var(--mono); letter-spacing: .11em; text-transform: uppercase; }
.case-block h4 { margin: 40px 0 14px; font-size: 25px; letter-spacing: -.03em; }
.case-block p { margin: 0; color: var(--muted); }
.case-block:last-child p { color: var(--ink); }
.case-meta { padding: 24px 30px; display: grid; grid-template-columns: 1.3fr .7fr; gap: 30px; border-top: 1px solid var(--ink); }
.tech-list { display: flex; flex-wrap: wrap; gap: 7px; }
.tech-list span, .project-tags span { padding: 5px 8px; border: 1px solid var(--ink); font: 400 8px var(--mono); }
.case-links { display: flex; justify-content: flex-end; align-items: center; gap: 18px; font: 500 9px var(--mono); text-transform: uppercase; }
.case-links a { text-underline-offset: 5px; }

.evidence-section { color: white; background: var(--ink); }
.evidence-section .section-index { color: var(--acid); }
.evidence-section .section-heading > p { color: rgba(255,255,255,.68); }
.evidence-grid { display: grid; gap: 10px; }
.evidence-path { width: 100%; padding: 12px; display: grid; grid-template-columns: 180px repeat(4,1fr); gap: 8px; align-items: stretch; border: 1px solid rgba(255,255,255,.35); color: white; background: transparent; cursor: pointer; text-align: left; }
.evidence-path:hover, .evidence-path.is-active { border-color: var(--acid); background: rgba(200,255,77,.06); }
.path-name { padding: 14px 10px; display: flex; align-items: center; font-size: 13px; font-weight: 700; }
.path-node { position: relative; min-height: 70px; padding: 12px; display: flex; align-items: center; border: 1px solid rgba(255,255,255,.3); background: rgba(255,255,255,.04); font: 400 9px/1.4 var(--mono); }
.path-node::after { content: "→"; position: absolute; right: -9px; z-index: 2; color: var(--acid); }
.path-node:last-child { color: var(--ink); background: var(--acid); border-color: var(--acid); }
.path-node:last-child::after { display: none; }

.project-section { background: var(--paper-deep); }
.project-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); border-top: 2px solid var(--ink); }
.project-card { min-height: 360px; padding: 30px; display: flex; flex-direction: column; border-bottom: 1px solid var(--ink); }
.project-card:nth-child(odd) { border-right: 1px solid var(--ink); }
.project-card-index { display: flex; justify-content: space-between; color: var(--blue-dark); font: 500 9px var(--mono); letter-spacing: .1em; text-transform: uppercase; }
.project-card h3 { margin: 42px 0 16px; max-width: 620px; font-size: clamp(28px,3vw,44px); line-height: 1.02; letter-spacing: -.045em; }
.project-card > p { max-width: 680px; margin: 0; color: var(--muted); }
.project-tags { margin-top: 22px; display: flex; flex-wrap: wrap; gap: 6px; }
.open-case { margin-top: auto; padding-top: 24px; border: 0; border-bottom: 1px solid; align-self: flex-start; color: var(--ink); background: transparent; cursor: pointer; font: 500 9px var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.publication-rule { margin: 28px 0 0; padding: 16px; border: 1px dashed var(--ink); color: var(--muted); font: 400 10px/1.6 var(--mono); }

.experience-section { background: var(--coral); }
.experience-section .section-index { color: var(--ink); }
.experience-section .section-heading > p { color: #2d2725; }
.employer-block { border-top: 2px solid var(--ink); }
.employer-block + .employer-block { margin-top: 54px; }
.employer-heading { padding: 24px 0; display: flex; justify-content: space-between; align-items: end; gap: 30px; }
.employer-heading span { font: 500 9px var(--mono); }
.employer-heading h3 { margin: 6px 0 0; font-size: clamp(26px,3.2vw,46px); letter-spacing: -.04em; }
.employer-heading > p { margin: 0; font: 500 10px var(--mono); }
.employer-summary { max-width: 980px; margin: 0 0 28px; font-size: 18px; }
.role-row { padding: 30px 0; display: grid; grid-template-columns: .65fr 1.5fr; gap: clamp(30px,7vw,100px); border-top: 1px solid rgba(16,16,16,.5); }
.role-title h4 { margin: 0 0 6px; font-size: 20px; }
.role-title p { margin: 0; font: 400 9px var(--mono); }
.role-content > p { margin: 0; }
.role-content ul { margin: 18px 0; padding-left: 18px; }
.role-content li + li { margin-top: 8px; }
.role-tech { font: 500 9px/1.7 var(--mono); }

.capability-section { background: var(--paper); }
.capability-grid { display: grid; grid-template-columns: repeat(2,1fr); border-top: 2px solid var(--ink); border-left: 1px solid var(--ink); }
.capability-group { min-height: 280px; padding: 28px; border-right: 1px solid var(--ink); border-bottom: 1px solid var(--ink); transition: background .2s, transform .2s; }
.capability-group.is-highlighted { background: var(--acid); transform: translateY(-6px); box-shadow: 0 6px 0 var(--ink); }
.capability-group:last-child { grid-column: 1 / -1; }
.capability-group h3 { margin: 0 0 24px; font-size: 28px; letter-spacing: -.04em; }
.tool-list { display: flex; flex-wrap: wrap; gap: 8px; }
.tool-list > span { padding: 8px 10px; border: 1px solid var(--line); background: var(--white); font: 500 10px var(--mono); }
.tool-list i { margin-left: 5px; color: var(--blue-dark); font-size: 7px; font-style: normal; text-transform: uppercase; }

.education-section { background: var(--blue); color: white; }
.education-section .section-index { color: var(--acid); }
.education-list { margin-top: 55px; border-top: 1px solid rgba(255,255,255,.5); }
.education-list article { padding: 26px 0; display: grid; grid-template-columns: 1fr auto; gap: 40px; border-bottom: 1px solid rgba(255,255,255,.5); }
.education-list h3 { margin: 0 0 6px; font-size: 22px; }
.education-list p { margin: 0; }
.education-list article > div:last-child { text-align: right; font: 400 10px/1.7 var(--mono); }

.placeholder { padding: 1px 4px; color: var(--ink); background: var(--yellow); border: 1px dashed var(--ink); font-style: normal; }
.verification-section { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(50px,8vw,130px); align-items: end; background: var(--yellow); border-top: 3px solid var(--ink); border-bottom: 3px solid var(--ink); }
.verification-section .section-index { color: var(--ink); }
.verification-section > div:last-child p { max-width: 680px; }
.verification-count { padding-top: 16px; border-top: 1px solid var(--ink); font: 500 10px var(--mono); text-transform: uppercase; }
.verification-count strong { margin-right: 8px; font-size: 30px; }

.contact-section { color: white; background: var(--ink); }
.contact-section .section-index { color: var(--acid); }
.contact-grid { display: grid; grid-template-columns: 1.35fr .65fr; gap: clamp(50px,8vw,130px); margin-top: 50px; align-items: end; }
.contact-grid > div:first-child p { max-width: 730px; font-size: clamp(18px,2vw,26px); }
.contact-actions { display: flex; flex-direction: column; }
.contact-actions a { min-height: 52px; padding: 14px 0; display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid rgba(255,255,255,.5); font: 500 10px var(--mono); letter-spacing: .08em; text-decoration: none; text-transform: uppercase; }
.contact-actions .contact-primary { margin-bottom: 20px; padding: 18px; color: var(--ink); background: var(--acid); border: 1px solid var(--acid); }
footer { padding: 18px clamp(20px,6vw,96px); display: flex; justify-content: space-between; color: rgba(255,255,255,.65); background: #050505; font: 400 8px var(--mono); letter-spacing: .08em; text-transform: uppercase; }

@media (max-width: 1060px) {
  .site-header { grid-template-columns: 1fr auto auto; }
  .nav-toggle { display: flex; min-height: 44px; align-items: center; gap: 9px; border: 0; background: transparent; cursor: pointer; font: 500 9px var(--mono); text-transform: uppercase; }
  .nav-toggle i, .nav-toggle i::before { display: block; width: 21px; height: 1px; background: var(--ink); content: ""; transition: transform .2s; }
  .nav-toggle i::before { transform: translateY(6px); }
  .nav-toggle[aria-expanded="true"] i { transform: rotate(45deg); }
  .nav-toggle[aria-expanded="true"] i::before { transform: rotate(-90deg); }
  nav { position: absolute; left: 0; right: 0; top: 81px; display: none; padding: 18px 28px; flex-direction: column; gap: 0; background: var(--paper); border-bottom: 1px solid var(--ink); }
  nav.is-open { display: flex; }
  nav a { border-bottom: 1px solid var(--line); }
  nav a::after { display: none; }
  .hero-layout { grid-template-columns: 1fr; padding: 50px 0; }
  .hero-proof { width: min(620px,100%); }
  .track-lens { grid-template-columns: repeat(3,1fr); }
  .lens-button:nth-child(3), .lens-button:nth-child(6) { border-right: 0; }
  .lens-button:nth-child(-n+3) { border-bottom: 1px solid var(--ink); }
  .case-blocks { grid-template-columns: 1fr; }
  .case-block { min-height: 0; border-right: 0; border-bottom: 1px solid var(--ink); }
  .evidence-path { grid-template-columns: 140px repeat(4,1fr); }
}

@media (max-width: 720px) {
  .site-header { min-height: 68px; padding: 0 18px; gap: 14px; }
  .brand-copy, .header-contact { display: none !important; }
  .header-actions { gap: 0; }
  .header-actions a { font-size: 8px; }
  nav { top: 67px; }
  .hero { min-height: auto; padding: 40px 20px 46px; }
  .hero-layout { padding: 42px 0; gap: 38px; }
  h1 { font-size: clamp(50px,15vw,68px); }
  .hero-subheadline { font-size: 16px; }
  .hero-actions { flex-direction: column; }
  .hero-actions .button { width: 100%; }
  .lens-heading { display: block; }
  .lens-heading span { display: block; }
  .lens-heading span + span { margin-top: 5px; }
  .track-lens { display: flex; overflow-x: auto; border-right: 0; }
  .lens-button { min-width: max-content; border-bottom: 0 !important; }
  .about-strip { grid-template-columns: 1fr; padding: 42px 20px; gap: 18px; }
  .about-strip > p:last-child { font-size: 20px; }
  .featured-section, .evidence-section, .project-section, .experience-section, .capability-section, .education-section, .verification-section, .contact-section { padding: 76px 20px; }
  .section-heading { grid-template-columns: 1fr; gap: 24px; }
  .section-heading h2, .education-section h2, .verification-section h2, .contact-section h2 { font-size: 46px; }
  .case-header { grid-template-columns: 1fr; }
  .case-meta { grid-template-columns: 1fr; }
  .case-links { justify-content: flex-start; flex-wrap: wrap; }
  .evidence-path { padding: 10px; grid-template-columns: 1fr; }
  .path-name { min-height: 44px; }
  .path-node { min-height: 48px; }
  .path-node::after { content: "↓"; right: auto; left: 50%; bottom: -12px; top: auto; }
  .project-grid, .capability-grid { grid-template-columns: 1fr; }
  .project-card:nth-child(odd) { border-right: 0; }
  .capability-group:last-child { grid-column: auto; }
  .role-row { grid-template-columns: 1fr; gap: 20px; }
  .employer-heading { align-items: start; }
  .education-list article { grid-template-columns: 1fr; gap: 14px; }
  .education-list article > div:last-child { text-align: left; }
  .verification-section, .contact-grid { grid-template-columns: 1fr; }
  footer { display: block; }
}

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