:root{--bg: #f4f7fb;--surface: #ffffff;--surface-2: #e8eef6;--text: #14161a;--muted: #5c616b;--border: #d3dbe7;--accent: #0a66d9;--accent-ink: #ffffff;--accent-soft: #dbe9fb;--success: #1f7a45;--warning: #a86a00;--danger: #b3261e;--font-display: "Inter Tight", ui-sans-serif, system-ui, sans-serif;--font-body: "Inter", ui-sans-serif, system-ui, sans-serif;--font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;--radius: 14px;--ease: cubic-bezier(.2,.8,.2,1);--dur: .24s;--max: 1120px;--gutter: clamp(16px, 4vw, 32px);color-scheme:light}:root[data-theme=dark]{--bg: #0a0e14;--surface: #101620;--surface-2: #161d29;--text: #e8edf5;--muted: #98a2b3;--border: #222c3b;--accent: #4cc2ff;--accent-ink: #04121f;--accent-soft: #0f2336;--success: #5fd28b;--warning: #f0b44c;--danger: #ff7b72;color-scheme:dark}@media(prefers-color-scheme:dark){:root:not([data-theme=light]){--bg: #0a0e14;--surface: #101620;--surface-2: #161d29;--text: #e8edf5;--muted: #98a2b3;--border: #222c3b;--accent: #4cc2ff;--accent-ink: #04121f;--accent-soft: #0f2336;--success: #5fd28b;--warning: #f0b44c;--danger: #ff7b72;color-scheme:dark}}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:72px;-webkit-text-size-adjust:100%}body{margin:0;background:var(--bg);color:var(--text);font:400 16px/1.6 var(--font-body);transition:background var(--dur),color var(--dur);-webkit-font-smoothing:antialiased}h1,h2,h3{font-family:var(--font-display);line-height:1.05;margin:0;letter-spacing:-.02em}p{margin:0}a{color:inherit}code,.mono{font-family:var(--font-mono)}:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--gutter)}section{padding:clamp(56px,9vw,112px) 0}.eyebrow{font:500 12px/1 var(--font-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--accent)}.h2{font-size:clamp(30px,5vw,52px);font-weight:700;margin-top:14px}.lede{color:var(--muted);max-width:62ch;margin-top:16px;font-size:18px}.btn{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 20px;border-radius:999px;border:1px solid var(--border);background:var(--surface);color:var(--text);font:600 15px var(--font-body);text-decoration:none;cursor:pointer;transition:transform var(--dur) var(--ease),border-color var(--dur),background var(--dur)}.btn:hover{transform:translateY(-2px);border-color:var(--accent)}.btn.primary{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px;transition:transform var(--dur) var(--ease),border-color var(--dur)}.card:hover{border-color:color-mix(in srgb,var(--accent) 55%,var(--border))}.chip{display:inline-block;font:500 12px var(--font-mono);padding:4px 10px;border-radius:999px;background:var(--surface-2);color:var(--muted);border:1px solid var(--border)}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.skip{position:absolute;left:12px;top:-60px;background:var(--accent);color:var(--accent-ink);padding:10px 16px;border-radius:8px;z-index:100}.skip:focus{top:12px}kbd{font:500 11px var(--font-mono);border:1px solid var(--border);border-bottom-width:2px;border-radius:5px;padding:1px 6px;background:var(--surface-2);color:var(--muted)}.eng-only{display:none}html[data-mode=engineering] .eng-only{display:block}html[data-mode=recruiter] .hide-recruiter{display:none!important}.recruiter-only{display:none}html[data-mode=recruiter] .recruiter-only{display:block}html[data-mode=recruiter] section{padding:clamp(28px,4vw,48px) 0}html[data-mode=recruiter] *{animation:none!important;transition:none!important}.js .reveal{opacity:0;transform:translateY(14px);transition:opacity .6s var(--ease),transform .6s var(--ease)}.js .reveal.in{opacity:1;transform:none}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}.js .reveal{opacity:1;transform:none}}.hdr{position:sticky;top:0;z-index:50;backdrop-filter:saturate(1.4) blur(14px);background:color-mix(in srgb,var(--bg) 82%,transparent);border-bottom:1px solid var(--border)}.hdr .wrap{display:flex;align-items:center;gap:14px;height:60px}.brand{font:700 17px var(--font-display);text-decoration:none;letter-spacing:-.02em}.brand span{color:var(--accent)}.nav{display:flex;gap:4px;margin-left:auto}.nav a{padding:8px 12px;border-radius:8px;color:var(--muted);text-decoration:none;font-size:14px}.nav a:hover,.nav a[aria-current=page]{color:var(--text);background:var(--surface-2)}.tools{display:flex;gap:8px;align-items:center}.tool{min-width:44px;height:40px;border-radius:10px;border:1px solid var(--border);background:var(--surface);color:var(--text);font:500 13px var(--font-mono);cursor:pointer;padding:0 10px}.tool:hover{border-color:var(--accent)}.menu-btn{display:none}@media(max-width:860px){.nav{display:none;position:absolute;top:60px;left:0;right:0;flex-direction:column;background:var(--bg);border-bottom:1px solid var(--border);padding:8px var(--gutter) 16px}.nav.open{display:flex}.nav a{padding:14px 8px;font-size:16px}.menu-btn{display:inline-block;margin-left:auto}.tools{margin-left:0}.hide-sm{display:none}}.ftr{border-top:1px solid var(--border);padding:32px 0 48px;color:var(--muted);font-size:14px}.ftr .wrap{display:flex;flex-wrap:wrap;gap:12px 24px;justify-content:space-between}.progress{position:fixed;inset:0 0 auto;height:2px;background:var(--accent);transform:scaleX(0);transform-origin:0 50%;z-index:80}.card{position:relative;overflow:hidden}.card:before{content:"";position:absolute;inset:0;pointer-events:none;opacity:0;transition:opacity .3s;background:radial-gradient(320px circle at var(--mx, 50%) var(--my, 50%),color-mix(in srgb,var(--accent) 14%,transparent),transparent 70%)}.card:hover:before{opacity:1}.proj{transition:transform .25s var(--ease),border-color var(--dur);will-change:transform}.btn{will-change:transform}.hero{position:relative}.hero:before{content:"";position:absolute;inset:0;pointer-events:none;background-image:radial-gradient(color-mix(in srgb,var(--text) 16%,transparent) 1px,transparent 1.2px);background-size:26px 26px;-webkit-mask-image:radial-gradient(420px circle at var(--hx, 70%) var(--hy, 30%),#000,transparent 70%);mask-image:radial-gradient(420px circle at var(--hx, 70%) var(--hy, 30%),#000,transparent 70%);opacity:.8}.hero:after{content:"";position:absolute;width:520px;height:520px;left:calc(var(--hx, 70%) - 260px);top:calc(var(--hy, 30%) - 260px);background:radial-gradient(closest-side,color-mix(in srgb,var(--accent) 14%,transparent),transparent);pointer-events:none;transition:left .25s ease-out,top .25s ease-out}.hero>*{position:relative;z-index:1}.eyebrow{display:inline-flex;align-items:center;gap:12px}.js .reveal .eyebrow:before,.js .eyebrow.reveal:before{content:"";width:0;height:1px;background:var(--accent);transition:width .8s var(--ease) .2s}.js .reveal.in .eyebrow:before,.js .eyebrow.in:before{width:36px}.js .reveal:not(.in){transition-delay:0s}.btn.primary{position:relative;overflow:hidden}.btn.primary:after{content:"";position:absolute;inset:0;background:linear-gradient(105deg,transparent 35%,rgba(255,255,255,.35) 50%,transparent 65%);transform:translate(-120%);animation:sheen 4.5s ease-in-out 2s infinite}@keyframes sheen{0%,60%{transform:translate(-120%)}to{transform:translate(120%)}}.nav a{position:relative}.nav a:after{content:"";position:absolute;left:12px;right:12px;bottom:4px;height:1px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease)}.nav a:hover:after{transform:scaleX(1)}.seg{display:inline-flex;border:1px solid var(--border);border-radius:10px;background:var(--surface);padding:3px;gap:2px}.seg button{border:0;background:none;color:var(--muted);font:500 12px var(--font-mono);padding:0 10px;min-height:32px;border-radius:7px;cursor:pointer}.seg button:hover{color:var(--text)}.seg button[aria-pressed=true]{background:var(--accent);color:var(--accent-ink)}.seg-mobile{display:none}@media(max-width:860px){.seg-mobile{display:block;padding:10px 8px 0}.seg-mobile .seg{width:100%}.seg-mobile .seg button{flex:1;min-height:40px}}.modebar{display:none;border-bottom:1px solid var(--border);background:var(--accent-soft);font-size:14px}.modebar .wrap{display:flex;flex-wrap:wrap;gap:8px 16px;align-items:center;padding-block:10px}.modebar button{margin-left:auto;background:none;border:1px solid var(--border);color:var(--text);border-radius:8px;min-height:32px;padding:0 12px;cursor:pointer;font:500 12px var(--font-mono)}html[data-mode=engineering] .modebar,html[data-mode=recruiter] .modebar{display:block}@view-transition{navigation:auto}.hdr{view-transition-name:site-header}::view-transition-old(root){animation:vt-out .18s ease both}::view-transition-new(root){animation:vt-in .32s var(--ease) both}@keyframes vt-out{to{opacity:0;transform:translateY(-6px)}}@keyframes vt-in{0%{opacity:0;transform:translateY(10px)}}@media(prefers-reduced-motion:reduce){::view-transition-old(root),::view-transition-new(root){animation:none}}.rail{position:fixed;right:18px;top:50%;transform:translateY(-50%);display:none;flex-direction:column;gap:4px;z-index:40}@media(min-width:1240px){.rail{display:flex}}.rail a{display:flex;align-items:center;justify-content:flex-end;gap:10px;height:22px;text-decoration:none;color:var(--muted);font:500 11px var(--font-mono)}.rail a span{opacity:0;transform:translate(6px);transition:opacity .2s,transform .2s var(--ease);background:var(--surface);border:1px solid var(--border);border-radius:6px;padding:2px 8px;pointer-events:none;white-space:nowrap}.rail a:after{content:"";width:7px;height:7px;border-radius:50%;background:var(--border);transition:background .2s,transform .2s var(--ease)}.rail a:hover span,.rail a:focus-visible span,.rail a.on span{opacity:1;transform:none}.rail a.on:after{background:var(--accent);transform:scale(1.5)}.rail a.on{color:var(--text)}.pill{position:fixed;right:20px;bottom:20px;z-index:60;background:var(--accent);color:var(--accent-ink);font:600 14px var(--font-body);text-decoration:none;border-radius:999px;padding:12px 20px;box-shadow:0 12px 30px -10px color-mix(in srgb,var(--accent) 70%,transparent);transform:translateY(80px);opacity:0;transition:transform .4s var(--ease),opacity .3s;pointer-events:none}.pill.show{transform:none;opacity:1;pointer-events:auto}html[data-mode=recruiter] .rail{display:none}.sys{position:fixed;left:16px;bottom:16px;z-index:55;display:flex;align-items:center;gap:8px;font:500 11px var(--font-mono);color:var(--muted);background:color-mix(in srgb,var(--surface) 88%,transparent);backdrop-filter:blur(8px);border:1px solid var(--border);border-radius:999px;padding:6px 12px;pointer-events:none}.sys .d{width:7px;height:7px;border-radius:50%;background:var(--success);transition:background .3s}.sys .d[data-s=warn]{background:var(--warning)}.sys .d[data-s=bad]{background:var(--danger);animation:pulse .6s ease-in-out infinite}.sys[data-s=bad]{border-color:var(--danger);color:var(--text)}@media(max-width:700px){.sys{display:none}}html[data-mode=recruiter] .sys{display:none}.pkt{position:fixed;left:-5px;top:-5px;width:10px;height:10px;border-radius:50%;background:var(--accent);box-shadow:0 0 14px 3px color-mix(in srgb,var(--accent) 70%,transparent);z-index:200;pointer-events:none}.pkt-tr{position:fixed;left:-3px;top:-3px;width:6px;height:6px;border-radius:50%;background:var(--accent);z-index:199;pointer-events:none;animation:trail .5s ease-out forwards}@keyframes trail{to{opacity:0;scale:.2}}.pkt-chip{position:fixed;left:0;top:0;z-index:201;pointer-events:none;font:500 11px var(--font-mono);background:var(--surface);border:1px solid var(--accent);color:var(--text);border-radius:6px;padding:2px 8px;white-space:nowrap}.nav a.hit{color:var(--accent)}.ck{position:fixed;z-index:300;pointer-events:none;font:600 11px var(--font-mono);padding:2px 8px;border-radius:6px;background:var(--surface);border:1px solid var(--border);color:var(--muted);animation:ck .9s ease-out forwards;white-space:nowrap}.ck.g{color:var(--success);border-color:color-mix(in srgb,var(--success) 50%,var(--border))}.ck.r{color:var(--danger);border-color:var(--danger)}@keyframes ck{0%{opacity:0;transform:translateY(6px) scale(.9)}15%{opacity:1;transform:none}to{opacity:0;transform:translateY(-22px)}}.tldr-box{padding:24px!important}.tldr-box h2{font-size:28px;margin:10px 0 14px}.tldr-box ul{padding-left:18px;display:grid;gap:10px;color:var(--muted)}.tldr-box b{color:var(--text)}.tldr-box .act{display:flex;gap:8px;flex-wrap:wrap;margin-top:20px}dialog.ov{border:1px solid var(--border);border-radius:16px;background:var(--surface);color:var(--text);padding:0;width:min(640px,calc(100vw - 24px));margin:12vh auto auto;box-shadow:0 30px 80px #00000059}dialog.ov::backdrop{background:#0506088c;backdrop-filter:blur(3px)}dialog.ov .box{margin:0;padding:12px}#pal-input{width:100%;min-height:48px;border:0;border-bottom:1px solid var(--border);background:transparent;color:var(--text);font:500 17px var(--font-body);padding:0 12px;outline:none}#pal-list{list-style:none;margin:8px 0 0;padding:0;max-height:50vh;overflow:auto}#pal-list li{padding:12px;border-radius:10px;cursor:pointer;display:flex;justify-content:space-between;gap:12px;min-height:44px;align-items:center}#pal-list li[aria-selected=true]{background:var(--accent-soft)}#pal-list li small{color:var(--muted);font:400 12px var(--font-mono)}.hint{color:var(--muted);font-size:12px;margin:10px 12px 2px}dialog.term{width:min(760px,calc(100vw - 24px));background:#0a0e14;color:#d8dde6;border-color:#222c3b}.term .bar{display:flex;justify-content:space-between;color:#8b93a1;font-size:12px;padding:4px 6px 10px;border-bottom:1px solid #222c3b}.term .bar button{background:none;border:1px solid #222c3b;color:#8b93a1;border-radius:6px;cursor:pointer;font:inherit;min-height:28px;padding:0 8px}.term .out{height:min(52vh,420px);overflow:auto;padding:12px 6px;font-size:13px;line-height:1.55;white-space:pre-wrap;word-break:break-word}.term .out a,.term .out .p{color:#4cc2ff}.term .line{display:flex;gap:8px;padding:8px 6px 2px;border-top:1px solid #222c3b;color:#4cc2ff;font-size:14px}.term .line input{flex:1;background:none;border:0;color:#e8edf5;font:inherit;outline:none;min-height:32px}