:root {
    --bg: #f4f0e8;
    --surface: #ebe5da;
    --surface-light: #faf7f1;
    --text: #171512;
    --muted: #716b63;
    --line: rgba(23, 21, 18, 0.18);
    --purple: #5b3d8d;
    --gold: #ad852e;
    --danger: #8b2635;
    --max: 1180px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: "Roboto", Arial, Helvetica, sans-serif; line-height: 1.55; }
a { color: inherit; }
button,input,textarea { font: inherit; }
.wrap { width: min(calc(100% - 48px), var(--max)); margin: 0 auto; }
.site-header { position: sticky; top: 0; z-index: 100; border-bottom: 1px solid var(--line); background: rgba(244,240,232,.95); backdrop-filter: blur(14px); }
.nav { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.brand { text-decoration: none; font-size: .9rem; font-weight: 900; letter-spacing: .08em; text-transform: uppercase; }
.nav-links { display: flex; align-items: center; gap: 28px; margin: 0; padding: 0; list-style: none; }
.nav-links a { text-decoration: none; font-size: .86rem; font-weight: 700; }
.nav-links a:hover,.nav-links a:focus,.nav-links a.active { color: var(--purple); }
.menu-toggle,.menu-label { display: none; }
.section { padding: 100px 0; border-top: 1px solid var(--line); }
.eyebrow { margin: 0 0 20px; color: var(--purple); font-size: .73rem; font-weight: 900; letter-spacing: .17em; text-transform: uppercase; }
.section-heading { display: grid; grid-template-columns: 160px minmax(0,1fr); gap: 40px; align-items: start; margin-bottom: 54px; }
.section-number,.step-label { margin: 0; color: var(--gold); font-size: .72rem; font-weight: 900; letter-spacing: .15em; text-transform: uppercase; }
.section-heading h2 { max-width: 800px; margin: 0; font-size: clamp(2.7rem,5vw,5rem); line-height: .98; letter-spacing: -.055em; font-weight: 900; }
.text-link,.back-link { display: inline-block; margin-top: 24px; color: var(--purple); font-size: .78rem; font-weight: 900; letter-spacing: .05em; text-decoration: none; text-transform: uppercase; }
.text-link:hover,.back-link:hover { color: var(--text); }
.hero { padding: 118px 0 96px; }
.hero-kicker { margin: 0 0 24px; color: var(--purple); font-size: .74rem; font-weight: 900; letter-spacing: .17em; text-transform: uppercase; }
.hero h1 { max-width: 1080px; margin: 0; font-size: clamp(4rem,9vw,8.5rem); line-height: .88; letter-spacing: -.075em; font-weight: 900; }
.hero h1 span { display: block; color: var(--purple); }
.hero-statement { max-width: 920px; margin: 48px 0 0; font-size: clamp(1.45rem,2.8vw,2.35rem); line-height: 1.25; letter-spacing: -.03em; font-weight: 700; }
.hero-copy { max-width: 760px; margin: 24px 0 0; color: var(--muted); font-size: 1.08rem; line-height: 1.7; }
.hero-links { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.hero-links a,.button { min-height: 46px; display: inline-flex; align-items: center; justify-content: center; padding: 0 18px; border: 1px solid var(--line); text-decoration: none; font-size: .76rem; font-weight: 900; letter-spacing: .06em; text-transform: uppercase; transition: .15s ease; }
.hero-links a:first-child,.button.primary { border-color: var(--text); background: var(--text); color: var(--bg); }
.hero-links a:hover,.hero-links a:focus,.button:hover,.button:focus { border-color: var(--purple); background: var(--purple); color: #fff; }
.capabilities,.experience,.lab-section,.lab { background: var(--surface); }
.capability-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); border-top: 1px solid var(--line); }
.capability { min-height: 240px; padding: 34px 34px 34px 0; border-bottom: 1px solid var(--line); }
.capability:nth-child(odd) { border-right: 1px solid var(--line); }
.capability:nth-child(even) { padding-left: 34px; }
.capability-number { margin: 0 0 22px; color: var(--gold); font-size: .68rem; font-weight: 900; letter-spacing: .14em; }
.capability h3 { margin: 0 0 14px; font-size: 1.45rem; letter-spacing: -.03em; }
.capability p { max-width: 470px; margin: 0; color: var(--muted); line-height: 1.65; }
.project-list,.timeline,.lab-links,.resume-list { border-top: 1px solid var(--text); }
.project { display: grid; grid-template-columns: 110px minmax(0,1fr) 220px; gap: 30px; align-items: start; padding: 48px 0; border-bottom: 1px solid var(--line); }
.project-index { color: var(--gold); font-size: .8rem; font-weight: 900; letter-spacing: .08em; }
.project-label { margin: 0 0 10px; color: var(--muted); font-size: .72rem; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; }
.project h3 { margin: 0; font-size: clamp(2.1rem,4vw,4rem); line-height: .95; letter-spacing: -.05em; }
.project-summary { max-width: 650px; margin: 20px 0 0; color: var(--muted); font-size: 1rem; line-height: 1.65; }
.project-tags { margin: 18px 0 0; font-size: .78rem; font-weight: 800; line-height: 1.8; }
.project-action { align-self: end; justify-self: end; text-align: right; }
.timeline-row { display: grid; grid-template-columns: 180px minmax(0,1fr); gap: 30px; padding: 28px 0; border-bottom: 1px solid var(--line); }
.timeline-date { margin: 0; color: var(--muted); font-size: .78rem; font-weight: 800; letter-spacing: .05em; text-transform: uppercase; }
.timeline-row h3 { margin: 0; font-size: 1.3rem; }
.timeline-row p:not(.timeline-date) { margin: 7px 0 0; color: var(--muted); }
.timeline-row.current h3 { color: var(--purple); }
.about-grid { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: 72px; }
.about-lead { margin: 0; font-size: clamp(1.55rem,3vw,2.5rem); line-height: 1.25; letter-spacing: -.035em; font-weight: 700; }
.about-copy { color: var(--muted); font-size: 1rem; line-height: 1.7; }
.manifesto { margin: 34px 0; color: var(--purple); font-size: clamp(1.8rem,3vw,3rem); line-height: 1.18; letter-spacing: -.04em; font-weight: 900; }
.lab-intro { max-width: 700px; margin: 0 0 40px 200px; color: var(--muted); font-size: 1rem; }
.lab-link { display: grid; grid-template-columns: 80px minmax(0,1fr) auto; gap: 26px; align-items: center; padding: 26px 0; border-bottom: 1px solid var(--line); text-decoration: none; }
.lab-link-number { color: var(--gold); font-size: .72rem; font-weight: 900; letter-spacing: .12em; }
.lab-link strong { font-size: 1.15rem; }
.lab-link-arrow { color: var(--purple); font-size: 1.2rem; }
.lab-link:hover strong { color: var(--purple); }
.contact h2 { max-width: 900px; margin: 0; font-size: clamp(3rem,7vw,6.8rem); line-height: .94; letter-spacing: -.065em; }
.contact-statement { max-width: 720px; margin: 30px 0 0; color: var(--muted); font-size: 1.15rem; }
.contact-actions { display: flex; flex-wrap: wrap; gap: 28px; margin-top: 42px; }
.contact-actions a { font-weight: 800; }
.contact-primary { color: var(--purple); }
.tool-hero { padding: 108px 0 74px; border-bottom: 1px solid var(--line); }
.tool-hero h1 { max-width: 980px; margin: 0; font-size: clamp(3.8rem,9vw,8.2rem); line-height: .88; letter-spacing: -.07em; font-weight: 900; }
.tool-hero h1 span { display: block; color: var(--purple); }
.tool-hero .hero-copy { margin-top: 38px; }
.tool-section { padding: 88px 0 118px; }
.tool-grid { display: grid; grid-template-columns: minmax(0,1fr) 280px; gap: 72px; align-items: start; }
.tool-main { border-top: 1px solid var(--text); }
.tool-row { padding: 34px 0; border-bottom: 1px solid var(--line); }
.tool-row .step-label { margin-bottom: 14px; }
.tool-label { display: block; margin-bottom: 16px; font-size: clamp(1.35rem,2vw,1.8rem); font-weight: 800; letter-spacing: -.025em; }
.tool-input,.tool-textarea { width: 100%; padding: 0 18px; border: 1px solid var(--line); border-radius: 0; outline: none; background: var(--surface-light); color: var(--text); font-size: 1rem; transition: .15s ease; }
.tool-input { min-height: 62px; }
.tool-textarea { min-height: 280px; padding: 20px; line-height: 1.65; resize: vertical; }
.tool-input:focus,.tool-textarea:focus { border-color: var(--purple); box-shadow: inset 4px 0 0 var(--purple); }
.tool-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.tool-button { min-height: 48px; padding: 0 18px; border: 1px solid var(--line); border-radius: 0; background: transparent; color: var(--text); font-size: .76rem; font-weight: 900; letter-spacing: .06em; text-transform: uppercase; cursor: pointer; transition: .15s ease; }
.tool-button.primary { border-color: var(--text); background: var(--text); color: var(--bg); }
.tool-button.utility { background: var(--surface); }
.tool-button:hover,.tool-button:focus { border-color: var(--purple); background: var(--purple); color: #fff; }
.tool-status,.tool-error { display: none; margin: 16px 0 0; font-size: .88rem; font-weight: 800; }
.tool-status { color: var(--purple); }
.tool-error { color: var(--danger); }
.tool-stats,.tool-help { margin: 18px 0 0; color: var(--muted); font-size: .82rem; }
.tool-aside { position: sticky; top: 112px; }
.aside-label { margin: 0 0 20px; color: var(--muted); font-size: .7rem; font-weight: 900; letter-spacing: .15em; text-transform: uppercase; }
.aside-block { padding: 20px 0; border-top: 1px solid var(--line); }
.aside-block:last-of-type { border-bottom: 1px solid var(--line); }
.aside-block strong { display: block; margin-bottom: 7px; font-size: .9rem; }
.aside-block p { margin: 0; color: var(--muted); font-size: .85rem; line-height: 1.55; }
.qr-result { display: none; padding: 36px 0 8px; }
.qr-result-inner { display: flex; align-items: flex-start; gap: 34px; }
#qrcode { flex: 0 0 auto; display: inline-flex; align-items: center; justify-content: center; padding: 18px; border: 1px solid var(--line); background: #fff; }
#qrcode canvas,#qrcode img { display: block; max-width: 100%; height: auto; }
.case-actions { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 10px; margin-top: 18px; }
.case-actions .tool-button { width: 100%; }
.quick-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.quick-actions .tool-button { flex: 1 1 180px; }
.resume-hero { padding: 108px 0 70px; border-bottom: 1px solid var(--line); }
.resume-hero h1 { margin: 0; font-size: clamp(4rem,10vw,8.5rem); line-height: .88; letter-spacing: -.075em; }
.resume-role { margin: 26px 0 0; color: var(--purple); font-size: clamp(1.3rem,2.5vw,2rem); font-weight: 800; }
.resume-summary { max-width: 850px; margin: 24px 0 0; color: var(--muted); font-size: 1.08rem; line-height: 1.7; }
.resume-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.resume-entry { display: grid; grid-template-columns: 180px minmax(0,1fr); gap: 36px; padding: 36px 0; border-bottom: 1px solid var(--line); }
.resume-date { margin: 0; color: var(--muted); font-size: .78rem; font-weight: 800; text-transform: uppercase; letter-spacing: .05em; }
.resume-entry h3 { margin: 0; font-size: 1.45rem; color: var(--purple); }
.resume-entry h4 { margin: 6px 0 14px; font-size: 1rem; }
.resume-entry ul { margin: 0; padding-left: 1.1rem; color: var(--muted); }
.resume-entry li { margin: 0 0 9px; }
.expertise-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.expertise-card { background: var(--bg); padding: 26px; }
.expertise-card h3 { margin: 0 0 10px; font-size: 1rem; color: var(--purple); }
.expertise-card p { margin: 0; color: var(--muted); font-size: .9rem; line-height: 1.65; }
.error-hero { min-height: calc(100vh - 78px); display: flex; align-items: center; padding: 90px 0; }
.error-layout { display: grid; grid-template-columns: minmax(0,1fr) 280px; gap: 80px; align-items: center; }
.error-number { margin: 0; font-size: clamp(7rem,22vw,18rem); line-height: .72; letter-spacing: -.09em; font-weight: 900; color: var(--purple); }
.error-title { max-width: 860px; margin: 42px 0 0; font-size: clamp(2.5rem,5.5vw,5rem); line-height: .98; letter-spacing: -.055em; font-weight: 900; }
.error-copy { max-width: 700px; margin: 28px 0 0; color: var(--muted); font-size: clamp(1.05rem,2vw,1.3rem); line-height: 1.6; }
.error-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.error-aside { border-top: 1px solid var(--text); }
.error-aside .aside-label { padding: 20px 0; margin: 0; color: var(--gold); border-bottom: 1px solid var(--line); }
.aside-link { display: block; padding: 18px 0; border-bottom: 1px solid var(--line); text-decoration: none; }
.aside-link span { display: block; color: var(--muted); font-size: .72rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.aside-link strong { display: block; margin-top: 5px; font-size: 1rem; }
.aside-link:hover strong { color: var(--purple); }
.site-footer { border-top: 1px solid var(--line); }
.footer-inner { min-height: 92px; display: flex; align-items: center; justify-content: space-between; gap: 30px; color: var(--muted); font-size: .78rem; }
.footer-links { display: flex; gap: 20px; }
.footer-inner a,.footer-links a { text-decoration: none; }
.footer-inner a:hover,.footer-links a:hover { color: var(--purple); }
@media (max-width: 900px) {
    .menu-label { display: block; cursor: pointer; font-size: .8rem; font-weight: 900; text-transform: uppercase; }
    .nav-links { display: none; position: absolute; top: 78px; left: 0; right: 0; padding: 24px; background: var(--bg); border-bottom: 1px solid var(--line); flex-direction: column; align-items: flex-start; }
    .menu-toggle:checked ~ .nav-links { display: flex; }
    .section-heading { grid-template-columns: 1fr; gap: 10px; }
    .project { grid-template-columns: 70px minmax(0,1fr); }
    .project-action { grid-column: 2; justify-self: start; text-align: left; }
    .about-grid,.tool-grid,.error-layout { grid-template-columns: 1fr; }
    .tool-aside { position: static; }
    .lab-intro { margin-left: 0; }
}
@media (max-width: 640px) {
    .wrap { width: min(calc(100% - 32px), var(--max)); }
    .hero { padding: 78px 0 68px; }
    .section,.tool-section { padding: 74px 0; }
    .tool-hero,.resume-hero { padding: 72px 0 54px; }
    .capability-grid,.expertise-grid { grid-template-columns: 1fr; }
    .capability,.capability:nth-child(even) { min-height: auto; padding: 28px 0; border-right: 0; }
    .project { grid-template-columns: 1fr; gap: 10px; padding: 36px 0; }
    .project-action { grid-column: 1; }
    .timeline-row,.resume-entry { grid-template-columns: 1fr; gap: 8px; }
    .lab-link { grid-template-columns: 50px minmax(0,1fr) auto; }
    .hero-links,.error-actions { display: block; }
    .hero-links a,.button { width: 100%; margin-bottom: 10px; }
    .case-actions { grid-template-columns: 1fr; }
    .qr-result-inner { display: block; }
    #qrcode { margin-bottom: 24px; }
    .footer-inner { padding: 25px 0; flex-direction: column; align-items: flex-start; }
}

/* Page specific aliases used by utility pages */
.qr-tool,.case-tool { border-top: 1px solid var(--text); }
.qr-field-label,.case-field-label { display:block; margin-bottom:16px; font-size:clamp(1.35rem,2vw,1.8rem); font-weight:800; letter-spacing:-.025em; }
.qr-input,.case-input { width:100%; border:1px solid var(--line); border-radius:0; outline:none; background:var(--surface-light); color:var(--text); font-size:1rem; transition:.15s ease; }
.qr-input { min-height:62px; padding:0 18px; }
.case-input { min-height:280px; padding:20px; line-height:1.65; resize:vertical; }
.qr-input:focus,.case-input:focus { border-color:var(--purple); box-shadow:inset 4px 0 0 var(--purple); }
.qr-actions { display:flex; flex-wrap:wrap; gap:12px; margin-top:18px; }
.qr-button,.case-button { min-height:48px; padding:0 18px; border:1px solid var(--line); border-radius:0; background:transparent; color:var(--text); font-size:.76rem; font-weight:900; letter-spacing:.06em; text-transform:uppercase; cursor:pointer; transition:.15s ease; }
.qr-button { border-color:var(--text); background:var(--text); color:var(--bg); }
.qr-button.secondary { display:none; border-color:var(--line); background:transparent; color:var(--text); }
.case-button.primary { border-color:var(--text); background:var(--text); color:var(--bg); }
.case-button.utility { background:var(--surface); }
.qr-button:hover,.qr-button:focus,.case-button:hover,.case-button:focus { border-color:var(--purple); background:var(--purple); color:#fff; }
.qr-error,.case-status { display:none; margin:16px 0 0; font-size:.88rem; font-weight:800; }
.qr-error { color:var(--danger); }
.case-status { color:var(--purple); }
.case-stats,.qr-help { margin:18px 0 0; color:var(--muted); font-size:.82rem; }
.qr-result-wrap { display:none; padding:36px 0 8px; }
.result-inner { display:flex; align-items:flex-start; gap:34px; }
.result-copy { max-width:330px; padding-top:3px; }
.result-copy h3 { margin:0 0 10px; font-size:1.4rem; letter-spacing:-.03em; }
.lab-heading { display:grid; grid-template-columns:180px minmax(0,1fr); gap:40px; align-items:start; }
.lab-heading h2 { max-width:750px; margin:0; font-size:clamp(2.5rem,5vw,5rem); line-height:.98; letter-spacing:-.055em; }
.lab-heading p { max-width:640px; margin:28px 0 0; color:var(--muted); font-size:1rem; }
.lab-section { padding:90px 0; border-top:1px solid var(--line); }
.lab-section .lab-links { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); margin-top:54px; border-top:1px solid var(--line); }
.lab-section .lab-link { display:block; min-height:145px; padding:26px 26px 26px 0; }
.lab-section .lab-link:nth-child(odd) { border-right:1px solid var(--line); }
.lab-section .lab-link:nth-child(even) { padding-left:26px; }
.lab-section .lab-link span { display:block; margin-bottom:8px; color:var(--gold); font-size:.68rem; font-weight:900; letter-spacing:.14em; }
.lab-section .lab-link strong { display:block; font-size:1.3rem; }
.lab-section .lab-link p { margin:7px 0 0; color:var(--muted); font-size:.86rem; }
@media (max-width:900px){ .lab-heading{grid-template-columns:1fr;gap:12px;} }
@media (max-width:640px){
  .qr-actions{display:block}.qr-button{width:100%;margin-bottom:10px}
  .case-actions{grid-template-columns:1fr}.case-button{width:100%}
  .result-inner{display:block}
  .lab-section{padding:70px 0}.lab-section .lab-links{grid-template-columns:1fr}
  .lab-section .lab-link:nth-child(odd){border-right:0}.lab-section .lab-link:nth-child(even){padding-left:0}
}