:root{
  --bg:#F6F5F1; --paper:#FFFFFF; --ink:#14141A; --ink-2:#3A3A40; --muted:#6B6A64; --line:#E4E2DA; --line-2:#D6D3C8;
  --accent:#1F5A43; --accent-soft:#E3EEE7; --mint:#7FD1A6;
  --sans:"Inter",ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;
  --serif:"Instrument Serif",ui-serif,Georgia,serif; --mono:"JetBrains Mono",ui-monospace,Menlo,monospace;
  --r:14px; --wrap:1160px;
}
*{box-sizing:border-box} html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 var(--sans);-webkit-font-smoothing:antialiased;font-feature-settings:"ss01","cv11"}
a{color:inherit} img{display:block}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 28px} .narrow{max-width:780px}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:#fff;padding:8px 12px;border-radius:8px;z-index:50}.skip:focus{left:12px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.ico{width:16px;height:16px;flex:none}
.mono{font-family:var(--mono);font-size:12px;letter-spacing:.01em} .muted{color:var(--muted)} .small{font-size:13px}
.serif{font-family:var(--serif);font-weight:400;font-style:italic;letter-spacing:-.01em}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}

/* header */
.site-header{position:sticky;top:0;z-index:20;background:rgba(246,245,241,.86);backdrop-filter:saturate(1.4) blur(12px);border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;gap:32px;height:66px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:650;letter-spacing:-.01em;font-size:15.5px}
.brand em{font-style:normal;color:var(--muted);font-weight:500}
.nav{display:flex;gap:4px;margin-left:auto}
.nav a{text-decoration:none;color:var(--ink-2);font-size:14.5px;padding:7px 12px;border-radius:8px}
.nav a:hover{background:#ECEAE3} .nav a.is-active{color:var(--ink);background:#E9E7DF;font-weight:550}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;text-decoration:none;font-weight:560;font-size:15px;border-radius:10px;padding:12px 18px;border:1px solid transparent;transition:transform .15s ease,background .15s ease,border-color .15s;line-height:1.2;cursor:pointer}
.btn:hover{transform:translateY(-1px)}
.btn-ink{background:var(--ink);color:#fff} .btn-ink:hover{background:#000}
.btn-ghost{border-color:var(--line-2);background:transparent} .btn-ghost:hover{background:#fff}
.btn-light{background:var(--bg);color:var(--ink)}
.btn-sm{padding:8px 13px;font-size:14px;border-radius:9px} .btn-lg{padding:15px 20px;font-size:16px;width:100%;justify-content:center}
.link{display:inline-flex;align-items:center;gap:6px;font-weight:560;font-size:14.5px;text-decoration:none;color:var(--ink)} .link:hover{color:var(--accent)}

/* type */
h1,h2,h3{margin:0;letter-spacing:-.025em;line-height:1.08;font-weight:640}
h1{font-size:clamp(40px,5.6vw,68px)} h2{font-size:clamp(28px,3.2vw,40px)} h3{font-size:19px;letter-spacing:-.015em;line-height:1.3} .h3{font-size:26px}
h1 .serif,h2 .serif{font-size:1.06em}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin:0 0 18px}
.dot{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px var(--accent-soft);display:inline-block}
.lede{font-size:clamp(17px,1.5vw,19px);color:var(--ink-2);max-width:58ch;margin:22px 0 0}

/* hero */
.hero{padding:76px 0 64px;border-bottom:1px solid var(--line)}
.hero h1{font-size:clamp(40px,5vw,62px)}
.hero-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:56px;align-items:center}
.hero-cta{display:flex;gap:12px;margin-top:32px;flex-wrap:wrap}
.stats{display:grid;grid-template-columns:repeat(3,auto);gap:40px;margin:48px 0 0;padding-top:26px;border-top:1px solid var(--line);justify-content:start}
.stats dt{font-family:var(--mono);font-size:11.5px;color:var(--muted);text-transform:uppercase;letter-spacing:.07em}
.stats dd{margin:6px 0 0;font-size:26px;font-weight:620;letter-spacing:-.02em}
.hero-visual{border:1px solid var(--line);border-radius:20px;background:#FBFAF7;overflow:hidden;box-shadow:0 1px 0 #fff inset,0 30px 60px -40px rgba(20,20,26,.35)}
.hero-art{width:100%;height:auto;display:block}

/* sections */
.section{padding:84px 0} .section-tight{padding:48px 0 72px} .section-alt{background:#EFEDE6;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:34px}
.split{display:grid;grid-template-columns:.85fr 1.15fr;gap:56px}
.prose p{margin:0 0 18px;color:var(--ink-2);font-size:17px} .prose strong{color:var(--ink)}
.note{font-size:14.5px !important;color:var(--muted) !important;border-left:2px solid var(--accent);padding:4px 0 4px 16px;margin-top:26px !important}

/* cards */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:24px;display:flex;flex-direction:column;gap:14px;transition:border-color .15s,box-shadow .15s,transform .15s}
.card:hover{border-color:var(--line-2);box-shadow:0 18px 40px -28px rgba(20,20,26,.35);transform:translateY(-2px)}
.card h3 a{text-decoration:none} .card h3 a:hover{color:var(--accent)}
.card p{margin:0;color:var(--ink-2);font-size:15px;flex:1}
.card-top{display:flex;justify-content:space-between;align-items:center}
.card-foot{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--line);padding-top:14px}
.pay{font-weight:620;letter-spacing:-.01em}
.tag{display:inline-block;font-family:var(--mono);font-size:11px;letter-spacing:.04em;text-transform:uppercase;padding:4px 8px;border-radius:6px;background:#EEECE5;color:var(--ink-2);border:1px solid var(--line)}
.tag-ml{background:#E7ECF7;color:#25407A;border-color:#D3DCF0} .tag-research{background:#F3ECE1;color:#6B4A1D;border-color:#E8DCC8}
.tag-security{background:#F5E6E4;color:#7A2E25;border-color:#EBD2CE} .tag-algorithms{background:#ECE7F4;color:#4A3577;border-color:#DCD3EC} .tag-software{background:var(--accent-soft);color:var(--accent);border-color:#CFE2D6}

/* steps */
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--ink)}
.steps li{padding:28px 28px 0 0} .steps li+li{padding-left:28px;border-left:1px solid var(--line)}
.steps .n{font-family:var(--mono);font-size:12px;color:var(--accent)} .steps h3{margin:12px 0 10px} .steps p{margin:0;color:var(--ink-2);font-size:15.5px}
.prose .steps{grid-template-columns:1fr;border-top:0;margin-top:26px} .prose .steps li{padding:18px 0;border-left:0;border-top:1px solid var(--line)}

.cta-band{display:flex;justify-content:space-between;align-items:center;gap:24px;background:var(--ink);color:#fff;border-radius:20px;padding:44px 48px;background-image:radial-gradient(circle at 1px 1px,rgba(255,255,255,.09) 1px,transparent 0);background-size:22px 22px}
.cta-band p{margin:10px 0 0;color:#B9B8B2}

/* page head */
.page-head{padding:64px 0 36px;border-bottom:1px solid var(--line)}
.page-head h1{font-size:clamp(36px,4.6vw,56px)}

/* roles table */
.toolbar{display:flex;justify-content:space-between;gap:16px;align-items:center;flex-wrap:wrap;margin-bottom:22px}
.filters{display:flex;gap:6px;flex-wrap:wrap}
.f{font:inherit;font-size:14px;font-weight:530;padding:8px 13px;border-radius:999px;border:1px solid var(--line-2);background:transparent;color:var(--ink-2);cursor:pointer}
.f span{font-family:var(--mono);font-size:11.5px;color:var(--muted);margin-left:4px}
.f:hover{background:#fff} .f.is-on{background:var(--ink);color:#fff;border-color:var(--ink)} .f.is-on span{color:#B9B8B2}
.search input{font:inherit;font-size:14.5px;width:320px;max-width:100%;padding:10px 14px;border:1px solid var(--line-2);border-radius:10px;background:#fff;color:var(--ink)}
.search input:focus{outline:2px solid var(--accent);outline-offset:1px}
.table-head,.role-row a{display:grid;grid-template-columns:1fr 170px 100px 140px 28px;gap:20px;align-items:center}
.table-head{font-family:var(--mono);font-size:11.5px;text-transform:uppercase;letter-spacing:.07em;color:var(--muted);padding:0 22px 10px}
.role-list{list-style:none;margin:0 0 18px;padding:0;border:1px solid var(--line);border-radius:var(--r);background:var(--paper);overflow:hidden}
.role-row+.role-row{border-top:1px solid var(--line)}
.role-row a{text-decoration:none;padding:20px 22px;transition:background .12s}
.role-row a:hover{background:#FAF9F5} .role-row a:hover .rr-title{color:var(--accent)} .role-row a:hover .rr-go{transform:translateX(3px);color:var(--ink)}
.rr-main{display:flex;flex-direction:column;gap:8px;min-width:0}
.rr-title{font-weight:600;font-size:16.5px;letter-spacing:-.01em}
.rr-sub{display:flex;gap:10px;align-items:center;flex-wrap:wrap;font-size:13.5px;color:var(--muted)}
.rr-pay{font-weight:600} .rr-open,.rr-date{color:var(--ink-2);font-size:14.5px}
.rr-go{color:var(--muted);transition:transform .15s}
.k{display:none}
.empty{padding:28px;text-align:center;color:var(--muted)}

/* role page */
.role-head{padding:40px 0 0;border-bottom:1px solid var(--line)}
.crumbs{display:flex;gap:8px;font-size:13.5px;color:var(--muted);margin-bottom:34px;flex-wrap:wrap}.crumbs a{text-decoration:none}.crumbs a:hover{color:var(--ink)}
.role-title h1{font-size:clamp(34px,4.4vw,54px);margin-top:16px;max-width:20ch}
.facts{display:grid;grid-template-columns:repeat(6,1fr);margin:44px 0 0;border-top:1px solid var(--line)}
.facts div{padding:18px 18px 22px 0} .facts div+div{padding-left:18px;border-left:1px solid var(--line)}
.facts dt{font-family:var(--mono);font-size:11px;text-transform:uppercase;letter-spacing:.07em;color:var(--muted)}
.facts dd{margin:6px 0 0;font-weight:600;font-size:15.5px}
.role-body{display:grid;grid-template-columns:1fr 340px;gap:64px;align-items:start}
.role-prose h2{font-size:22px;letter-spacing:-.015em;margin:40px 0 14px} .role-prose h2:first-child{margin-top:8px}
.ticks{list-style:none;margin:0;padding:0} .ticks li{position:relative;padding:9px 0 9px 28px;color:var(--ink-2);border-bottom:1px solid var(--line)}
.ticks li:before{content:"";position:absolute;left:2px;top:17px;width:12px;height:7px;border-left:1.6px solid var(--accent);border-bottom:1.6px solid var(--accent);transform:rotate(-45deg)}
.process{margin:0;padding:0;list-style:none;counter-reset:p} .process li{counter-increment:p;padding:10px 0 10px 40px;position:relative;color:var(--ink-2)}
.process li:before{content:counter(p,decimal-leading-zero);position:absolute;left:0;top:10px;font-family:var(--mono);font-size:12px;color:var(--accent)}
.skills{display:flex;flex-wrap:wrap;gap:6px;margin-top:18px} .skill{font-family:var(--mono);font-size:12px;padding:5px 9px;border-radius:6px;background:#fff;border:1px solid var(--line)}
.apply-card{position:sticky;top:92px}
.ac-inner{background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:26px;box-shadow:0 24px 50px -36px rgba(20,20,26,.4)}
.ac-k{margin:0;font-family:var(--mono);font-size:11px;text-transform:uppercase;letter-spacing:.07em;color:var(--muted)}
.ac-pay{margin:6px 0 4px;font-size:30px;font-weight:650;letter-spacing:-.02em}
.ac-meta{margin:0 0 20px;color:var(--muted);font-size:14px}
.ac-dest{font-size:13px;color:var(--muted);margin:14px 0 0;line-height:1.5}
.ac-check{display:flex;gap:10px;align-items:center;font-size:12.5px;color:var(--ink-2);margin:16px 0 0;padding-top:16px;border-top:1px solid var(--line);font-family:var(--mono)}
.mobile-apply{display:none}

/* faq */
.faq details{border-bottom:1px solid var(--line);padding:4px 0}
.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;gap:20px;align-items:center;padding:20px 0;font-size:18px;font-weight:580;letter-spacing:-.01em}
.faq summary::-webkit-details-marker{display:none}
.pm{width:14px;height:14px;position:relative;flex:none}.pm:before,.pm:after{content:"";position:absolute;background:var(--ink);left:0;top:6px;width:14px;height:1.6px}.pm:after{transform:rotate(90deg);transition:transform .2s}
.faq details[open] .pm:after{transform:rotate(0)}
.faq details p{margin:0 0 22px;color:var(--ink-2);max-width:64ch}
.contact-line{font-family:var(--mono);font-size:13px;color:var(--muted)}

/* footer */
.site-footer{border-top:1px solid var(--line);padding:56px 0 40px;background:#EFEDE6;margin-top:24px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px;align-items:start}
.foot-brand p{color:var(--muted);font-size:14px;margin:12px 0 0;max-width:32ch}
.foot-nav{display:flex;flex-direction:column;gap:8px;font-size:14.5px}.foot-nav a{text-decoration:none;color:var(--ink-2)}.foot-nav a:hover{color:var(--ink)}
.foot-addr{font-style:normal;font-size:14px;color:var(--ink-2);line-height:1.6}
.disclosure{margin:40px 0 0;padding-top:24px;border-top:1px solid var(--line-2);font-size:13.5px;color:var(--ink-2);max-width:92ch;line-height:1.6}
.fine{font-family:var(--mono);font-size:11.5px;color:var(--muted);margin:16px 0 0}

/* responsive */
@media (max-width:980px){
  .hero-grid,.split,.role-body{grid-template-columns:1fr;gap:36px}
  .cards{grid-template-columns:1fr 1fr}
  .facts{grid-template-columns:repeat(3,1fr)} .facts div:nth-child(4){border-left:0;padding-left:0} .facts div:nth-child(n+4){border-top:1px solid var(--line)}
  .apply-card{position:static}
  .table-head{display:none}
  .role-row a{grid-template-columns:1fr 1fr 1fr;gap:12px 16px}
  .rr-main{grid-column:1/-1} .rr-go{display:none} .k{display:block;font-family:var(--mono);font-size:10.5px;text-transform:uppercase;letter-spacing:.07em;color:var(--muted);font-weight:400;margin-bottom:2px}
}
@media (max-width:720px){
  .wrap{padding:0 20px} .nav{display:none} .nav-cta{margin-left:auto}
  .hero{padding:48px 0} .stats{gap:22px} .stats dd{font-size:21px}
  .cards,.steps{grid-template-columns:1fr} .steps li+li{padding-left:0;border-left:0;border-top:1px solid var(--line)}
  .section{padding:60px 0} .sec-head{flex-direction:column;align-items:start}
  .cta-band{flex-direction:column;align-items:start;padding:32px 26px}
  .facts{grid-template-columns:1fr 1fr} .facts div{padding-left:0 !important;border-left:0 !important;border-top:1px solid var(--line)}
  .foot-grid{grid-template-columns:1fr}
  .search input{width:100%} .search{width:100%}
  .mobile-apply{display:flex;position:sticky;bottom:0;z-index:15;gap:12px;align-items:center;justify-content:space-between;padding:12px 20px;background:rgba(246,245,241,.95);backdrop-filter:blur(10px);border-top:1px solid var(--line)}
  .mobile-apply div{display:flex;flex-direction:column;min-width:0} .mobile-apply span{font-size:12.5px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .mobile-apply .btn{width:auto;padding:11px 14px;font-size:14.5px}
}
@media (prefers-reduced-motion:reduce){*{transition:none !important}}