@font-face{font-family:"Space Grotesk";src:url(fonts/space-grotesk-latin-400-normal.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Space Grotesk";src:url(fonts/space-grotesk-latin-500-normal.woff2) format("woff2");font-weight:500;font-display:swap}
@font-face{font-family:"Space Grotesk";src:url(fonts/space-grotesk-latin-600-normal.woff2) format("woff2");font-weight:600;font-display:swap}
@font-face{font-family:"Space Grotesk";src:url(fonts/space-grotesk-latin-700-normal.woff2) format("woff2");font-weight:700;font-display:swap}
@font-face{font-family:"IBM Plex Sans";src:url(fonts/ibm-plex-sans-latin-400-normal.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"IBM Plex Sans";src:url(fonts/ibm-plex-sans-latin-400-italic.woff2) format("woff2");font-weight:400;font-style:italic;font-display:swap}
@font-face{font-family:"IBM Plex Sans";src:url(fonts/ibm-plex-sans-latin-500-normal.woff2) format("woff2");font-weight:500;font-display:swap}
@font-face{font-family:"IBM Plex Sans";src:url(fonts/ibm-plex-sans-latin-600-normal.woff2) format("woff2");font-weight:600;font-display:swap}
@font-face{font-family:"IBM Plex Mono";src:url(fonts/ibm-plex-mono-latin-400-normal.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"IBM Plex Mono";src:url(fonts/ibm-plex-mono-latin-500-normal.woff2) format("woff2");font-weight:500;font-display:swap}

:root{
  --bg:#0a0c0f;
  --bg-2:#0e1115;
  --panel:rgba(16,19,24,.66);
  --panel-solid:#11151a;
  --line:rgba(255,255,255,.08);
  --line-2:rgba(255,255,255,.14);
  --text:#e8eaed;
  --muted:#99a0aa;
  --dim:#6b727c;
  --green:#3ad6a6;
  --green-deep:#12735a;
  --amber:#f3a83b;
  --display:"Space Grotesk",system-ui,sans-serif;
  --sans:"IBM Plex Sans",system-ui,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,monospace;
  --r:16px;
  --gutter:clamp(16px,4vw,48px);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{background:var(--bg);color:var(--text);font-family:var(--sans);font-size:16px;line-height:1.6;overflow-x:hidden;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
::selection{background:var(--green);color:#04120d}
:focus-visible{outline:2px solid var(--green);outline-offset:3px;border-radius:6px}

#scene{position:fixed;inset:0;width:100%;height:100%;z-index:0;display:block;background:radial-gradient(1200px 800px at 75% 40%,#10241e 0%,var(--bg) 60%)}
.vignette{position:fixed;inset:0;z-index:1;pointer-events:none;background:
  linear-gradient(90deg,rgba(10,12,15,.92) 0%,rgba(10,12,15,.55) 38%,rgba(10,12,15,0) 62%),
  radial-gradient(140% 100% at 50% 0%,transparent 55%,rgba(10,12,15,.85) 100%)}
main,.foot,.nav{position:relative;z-index:2}

.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 var(--gutter)}

/* nav */
.nav{position:fixed;top:0;left:0;right:0;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px var(--gutter);z-index:20;transition:background .3s,border-color .3s;border-bottom:1px solid transparent}
.nav.scrolled{background:rgba(10,12,15,.72);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-color:var(--line)}
.mark{width:38px;height:38px;border-radius:10px;border:1px solid var(--line-2);display:grid;place-items:center;font-family:var(--display);font-weight:700;font-size:14px;letter-spacing:.02em;background:rgba(255,255,255,.03)}
.mark span{background:linear-gradient(135deg,#fff,var(--green));-webkit-background-clip:text;background-clip:text;color:transparent}
.nav nav{display:flex;gap:28px;font-family:var(--mono);font-size:12.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.nav nav a{transition:color .2s}
.nav nav a:hover{color:var(--text)}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;height:46px;padding:0 20px;border-radius:999px;background:var(--green);color:#03140e;font-weight:600;font-size:15px;border:1px solid var(--green);transition:transform .2s,box-shadow .2s,background .2s;white-space:nowrap}
.btn:hover{transform:translateY(-1px);box-shadow:0 10px 30px -10px rgba(58,214,166,.6)}
.btn-ghost{background:rgba(255,255,255,.03);color:var(--text);border-color:var(--line-2)}
.btn-ghost:hover{background:rgba(255,255,255,.07);box-shadow:none}
.btn-sm{height:36px;padding:0 14px;font-size:13.5px}

/* type */
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-family:var(--mono);font-size:12.5px;letter-spacing:.06em;color:var(--muted);text-transform:uppercase;border:1px solid var(--line);border-radius:999px;padding:7px 14px;background:rgba(255,255,255,.02)}
.dot{width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 0 0 rgba(58,214,166,.6);animation:ping 2.4s infinite}
@keyframes ping{0%{box-shadow:0 0 0 0 rgba(58,214,166,.55)}70%{box-shadow:0 0 0 9px rgba(58,214,166,0)}100%{box-shadow:0 0 0 0 rgba(58,214,166,0)}}
h1{font-family:var(--display);font-weight:700;font-size:clamp(56px,10.5vw,148px);line-height:.9;letter-spacing:-.035em;margin:26px 0 22px}
h2{font-family:var(--display);font-weight:600;font-size:clamp(30px,4.2vw,52px);line-height:1.06;letter-spacing:-.025em;max-width:22ch;margin-bottom:28px}
h2.big{font-size:clamp(40px,7vw,96px);max-width:none;line-height:.98}
h3{font-family:var(--display);font-weight:600;font-size:21px;line-height:1.25;letter-spacing:-.01em}
.muted{color:var(--dim)}
.accent{color:var(--green)}
.lede{font-size:clamp(18px,1.6vw,21px);line-height:1.55;color:#c7ccd3;max-width:34ch}
.body-lg{font-size:18px;line-height:1.65;color:#c3c8cf;max-width:60ch}
.label{font-family:var(--mono);font-size:12.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--green);margin-bottom:22px}
.mono,.mono-sm{font-family:var(--mono)}
.mono-sm{font-size:12px;letter-spacing:.04em;color:var(--dim)}

/* hero */
.hero{min-height:100svh;display:flex;align-items:center;padding:120px 0 90px;position:relative}
.cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;margin-top:64px;max-width:760px;border-top:1px solid var(--line)}
.stats>div{padding:20px 20px 0 0}
.stats>div+div{padding-left:20px;border-left:1px solid var(--line)}
.stats dt{font-family:var(--display);font-weight:600;font-size:34px;letter-spacing:-.02em;color:#fff}
.stats dd{font-size:13.5px;line-height:1.45;color:var(--muted);margin-top:4px}
.legend{position:absolute;right:var(--gutter);bottom:34px;display:flex;gap:18px;font-family:var(--mono);font-size:11.5px;color:var(--muted);letter-spacing:.05em}
.legend span{display:flex;align-items:center;gap:8px}
.sw{width:8px;height:8px;border-radius:50%;display:inline-block}
.sw-open{background:var(--amber);box-shadow:0 0 10px var(--amber)}
.sw-done{background:var(--green);box-shadow:0 0 10px var(--green)}
.scroll-cue{position:absolute;left:50%;bottom:28px;width:24px;height:38px;border:1.5px solid var(--line-2);border-radius:12px;transform:translateX(-50%)}
.scroll-cue span{position:absolute;left:50%;top:8px;width:3px;height:7px;border-radius:2px;background:var(--text);transform:translateX(-50%);animation:cue 1.8s infinite}
@keyframes cue{0%{opacity:0;transform:translate(-50%,0)}30%{opacity:1}100%{opacity:0;transform:translate(-50%,12px)}}

/* sections */
.section{padding:clamp(64px,8vw,110px) 0}
.glass{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);backdrop-filter:blur(16px) saturate(120%);-webkit-backdrop-filter:blur(16px) saturate(120%)}
.split{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(28px,5vw,64px);align-items:center}
.split-top{align-items:start}

.ticks{list-style:none;margin-top:26px;display:grid;gap:12px;max-width:60ch}
.ticks li{position:relative;padding-left:28px;color:#c3c8cf}
.ticks li::before{content:"";position:absolute;left:2px;top:.62em;width:12px;height:6px;border-left:2px solid var(--green);border-bottom:2px solid var(--green);transform:translateY(-50%) rotate(-45deg)}
.badge-line{margin-top:26px}
.pill{display:inline-block;font-family:var(--mono);font-size:12px;letter-spacing:.04em;padding:6px 12px;border-radius:999px;border:1px solid var(--line-2)}
.pill-green{color:var(--green);border-color:rgba(58,214,166,.35);background:rgba(58,214,166,.07)}

.pipeline{padding:26px}
.pipeline figcaption{margin-bottom:16px;text-transform:uppercase}
.pipeline ol{list-style:none;position:relative}
.pipeline li{display:flex;gap:16px;align-items:flex-start;padding:12px 0;position:relative}
.pipeline li:not(.last)::after{content:"";position:absolute;left:17px;top:48px;bottom:-12px;width:1px;background:linear-gradient(var(--amber),var(--green));opacity:.45}
.step{flex:none;width:35px;height:35px;border-radius:10px;display:grid;place-items:center;font-family:var(--mono);font-size:12px;border:1px solid var(--line-2);background:rgba(255,255,255,.03);color:var(--muted)}
.pipeline li:first-child .step{color:var(--amber);border-color:rgba(243,168,59,.4)}
.pipeline li.last .step{color:var(--green);border-color:rgba(58,214,166,.45)}
.pipeline b{display:block;font-family:var(--display);font-weight:600;font-size:16.5px}
.pipeline small{display:block;font-family:var(--mono);font-size:12px;color:var(--dim);margin-top:2px}

.quote{margin-top:clamp(40px,6vw,64px);padding:clamp(24px,4vw,40px);position:relative}
.quote p{font-family:var(--display);font-size:clamp(20px,2.4vw,28px);line-height:1.4;letter-spacing:-.01em;color:#fff;max-width:46ch}
.quote footer,.letter figcaption{margin-top:20px;font-family:var(--mono);font-size:13px;color:var(--muted)}
.letter figcaption b{color:var(--text);font-weight:500}

/* timeline */
.timeline{display:grid;gap:18px}
.role{padding:clamp(22px,3vw,32px)}
.role header{display:flex;justify-content:space-between;gap:18px;align-items:flex-start}
.role h3 .co{color:var(--green);font-weight:500}
.role h3 .arrow{color:var(--dim);font-weight:400}
.sub{font-size:14px;color:var(--dim);margin-top:4px}
.date{font-family:var(--mono);font-size:13px;color:var(--muted);white-space:nowrap;padding-top:4px}
.role ul{list-style:none;margin-top:18px;display:grid;gap:9px}
.role li{position:relative;padding-left:20px;color:#c3c8cf;font-size:15.5px}
.role li::before{content:"";position:absolute;left:3px;top:.72em;width:6px;height:6px;border-radius:50%;background:var(--green-deep);box-shadow:0 0 0 2px rgba(58,214,166,.18)}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.chips span{font-family:var(--mono);font-size:12px;color:var(--muted);padding:5px 10px;border:1px solid var(--line);border-radius:8px;background:rgba(255,255,255,.02)}

.letter{margin-top:clamp(36px,5vw,56px);padding:clamp(24px,4vw,44px);border-color:rgba(58,214,166,.22);background:linear-gradient(160deg,rgba(18,115,90,.16),rgba(16,19,24,.7) 45%)}
.label-in{margin-bottom:18px}
.letter blockquote p{font-size:clamp(16px,1.35vw,18px);line-height:1.7;color:#d3d7dd;max-width:72ch}
.letter blockquote p+p{margin-top:14px}
.letter .kicker{font-family:var(--display);font-size:clamp(20px,2vw,24px);color:#fff;font-weight:500}

/* builder grid */
.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.tile{padding:26px;display:flex;flex-direction:column;gap:10px;transition:transform .25s,border-color .25s}
a.tile:hover,.tile:hover{border-color:rgba(58,214,166,.35);transform:translateY(-2px)}
.tile p{color:#b9bfc7;font-size:15px}
.tile-wide{grid-column:span 2;background:linear-gradient(135deg,rgba(243,168,59,.10),rgba(16,19,24,.7) 50%)}
.tile-wide h3{font-size:28px}
.tile-tag{font-family:var(--mono);font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--amber)}
.ext{color:var(--green);font-size:.8em}
.tile .chips{margin-top:auto;padding-top:8px}
.tile-strip{grid-column:1/-1}

/* learning */
.edu{padding:24px 26px;margin-bottom:22px}
.edu h3{margin-top:8px}
.edu .mono{font-size:13.5px;color:var(--muted);margin-top:4px}
.stack{display:grid;grid-template-columns:1fr 1fr;gap:18px 26px}
.stack h4{font-family:var(--mono);font-weight:500;font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--text)}
.stack p{font-size:14.5px;color:var(--muted);margin-top:5px;line-height:1.55}
.courses{padding:26px}
.courses-head{display:flex;justify-content:space-between;align-items:baseline;gap:10px;flex-wrap:wrap;margin-bottom:10px}
.courses ul{list-style:none}
.courses li{padding:14px 0;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:2px}
.courses li:first-child{border-top:0}
.courses b{font-weight:500;font-size:15.5px;color:var(--text)}
.courses small{font-family:var(--mono);font-size:12px;color:var(--dim)}
.note{margin-top:14px;padding-top:16px;border-top:1px dashed var(--line-2);font-size:13.5px;color:var(--dim)}

.contact{padding-bottom:clamp(90px,12vw,140px)}
.contact .body-lg{margin-top:4px}
.foot{border-top:1px solid var(--line);background:rgba(10,12,15,.85)}
.foot-in{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;padding-top:22px;padding-bottom:22px;font-size:13.5px;color:var(--muted)}

/* reveal */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .8s ease,transform .8s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}

@media (max-width:980px){
  .split{grid-template-columns:1fr}
  .grid{grid-template-columns:1fr 1fr}
  .vignette{background:linear-gradient(180deg,rgba(10,12,15,.35) 0%,rgba(10,12,15,.75) 60%),radial-gradient(140% 100% at 50% 0%,transparent 55%,rgba(10,12,15,.85) 100%)}
}
@media (max-width:760px){
  .nav nav{display:none}
  .stats{grid-template-columns:1fr 1fr;margin-top:48px}
  .stats>div{padding:18px 14px 18px 0}
  .stats>div+div{padding-left:0;border-left:0}
  .stats>div:nth-child(even){padding-left:16px;border-left:1px solid var(--line)}
  .stats>div:nth-child(n+3){border-top:1px solid var(--line)}
  .stats dt{font-size:28px}
  .grid{grid-template-columns:1fr}
  .tile-wide{grid-column:auto}
  .stack{grid-template-columns:1fr}
  .role header{flex-direction:column;gap:6px}
  .date{padding-top:0}
  .legend{display:none}
  .scroll-cue{display:none}
  .hero{padding-top:110px}
  .btn{height:44px;padding:0 18px;font-size:14.5px}
  .btn-sm{height:36px;padding:0 14px;font-size:13.5px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  .dot,.scroll-cue span{animation:none}
}