/* ============ TOKENS ============ */
:root{
  --bg:#000000;
  --text:#ffffff;
  --muted:rgba(255,255,255,.55);
  --faint:rgba(255,255,255,.34);
  --accent:#7b2eff;
  --accent-dim:#3a1480;
  --line:rgba(255,255,255,.12);
  --font-display:'Archivo',-apple-system,'Segoe UI',sans-serif;
  --font-mono:'IBM Plex Mono',ui-monospace,monospace;
  --ease:cubic-bezier(.22,.9,.24,1);
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
html,body{background:var(--bg)}
body{
  font-family:var(--font-display);
  color:var(--text);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  cursor:none;
}
@media (hover:none),(max-width:900px){ body{cursor:auto} }
::selection{background:var(--accent);color:#fff}
a{color:inherit;text-decoration:none}

.mono{font-family:var(--font-mono);letter-spacing:.14em;font-size:12px;font-weight:400}

/* ============ FIXED LAYERS ============ */
#gl{position:fixed;inset:0;z-index:0}
#gl canvas{display:block;width:100%;height:100%}

.grain{
  position:fixed;inset:-50%;z-index:40;pointer-events:none;opacity:.055;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)'/%3E%3C/svg%3E");
  animation:grain 7s steps(8) infinite;
}
@keyframes grain{
  0%{transform:translate(0,0)}25%{transform:translate(-4%,3%)}
  50%{transform:translate(3%,-4%)}75%{transform:translate(-3%,-2%)}100%{transform:translate(0,0)}
}

/* ============ LOADER ============ */
#loader{
  position:fixed;inset:0;z-index:100;background:#000;
  display:flex;align-items:center;justify-content:center;
  transition:opacity .8s var(--ease),visibility .8s;
}
#loader.done{opacity:0;visibility:hidden}
.loader-inner{width:min(420px,80vw)}
.loader-label{font-family:var(--font-mono);letter-spacing:.22em;font-size:11px;color:var(--muted)}
.loader-pct{font-weight:900;font-size:clamp(64px,10vw,110px);line-height:1;letter-spacing:-.03em;margin:12px 0 18px}
.loader-pct span::after{content:'%';color:var(--accent);font-size:.4em;vertical-align:super}
.loader-bar{height:1px;background:var(--line);position:relative;overflow:hidden}
.loader-bar span{position:absolute;left:0;top:0;height:100%;width:0;background:var(--accent);transition:width .2s linear}

/* ============ CURSOR ============ */
#cursor,#cursor-ring{position:fixed;top:0;left:0;z-index:90;pointer-events:none;border-radius:50%}
#cursor{width:6px;height:6px;background:var(--accent);transform:translate(-50%,-50%)}
#cursor-ring{
  width:34px;height:34px;border:1px solid rgba(255,255,255,.6);
  transform:translate(-50%,-50%);mix-blend-mode:difference;
  transition:width .3s var(--ease),height .3s var(--ease),border-color .3s;
}
#cursor-ring.hovering{width:64px;height:64px;border-color:var(--accent)}
@media (hover:none),(max-width:900px){#cursor,#cursor-ring{display:none}}

/* ============ HEADER ============ */
#site-header{
  position:fixed;top:0;left:0;right:0;z-index:50;
  display:flex;align-items:center;justify-content:space-between;
  padding:18px clamp(20px,4vw,56px);
  background:rgba(0,0,0,.35);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.wordmark{font-weight:900;font-size:22px;letter-spacing:-.02em}
.wordmark span{color:var(--accent)}
.header-chapter{color:var(--muted);position:absolute;left:50%;transform:translateX(-50%)}
@media (max-width:900px){.header-chapter{display:none}}

.cv-pill{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.14em;
  border:1px solid var(--faint);border-radius:500px;padding:9px 9px 9px 18px;
  transition:background .3s,color .3s,border-color .3s;
}
.cv-pill .pill-arrow{background:#fff;color:#000}
.cv-pill:hover{background:var(--accent);border-color:var(--accent);color:#fff}
.cv-pill:hover .pill-arrow{background:#fff;color:var(--accent)}
.pill-arrow{
  display:inline-flex;align-items:center;justify-content:center;
  width:26px;height:26px;border-radius:50%;flex:none;
}
.pill-arrow svg{width:14px;height:14px}

/* ============ CHAPTER NAV ============ */
#chapters{
  position:fixed;left:clamp(18px,3vw,44px);top:50%;transform:translateY(-50%);
  z-index:50;display:flex;flex-direction:column;gap:14px;
}
#chapters a{
  display:flex;align-items:center;gap:10px;color:var(--faint);
  transition:color .3s;
}
#chapters a i{
  width:5px;height:5px;border-radius:50%;background:currentColor;flex:none;
  transition:background .3s,transform .3s;
}
#chapters a span{font-size:11px}
#chapters a em{
  font-style:normal;font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;
  max-width:0;overflow:hidden;white-space:nowrap;opacity:0;
  transition:max-width .45s var(--ease),opacity .3s;
}
#chapters a:hover em,#chapters a.active em{max-width:120px;opacity:1}
#chapters a.active{color:#fff}
#chapters a.active i{background:var(--accent);transform:scale(1.6)}
@media (max-width:900px){#chapters{display:none}}

/* ============ PROGRESS ============ */
#progress{position:fixed;top:0;left:0;right:0;height:2px;z-index:60}
#progress-fill{display:block;height:100%;width:0;background:var(--accent)}

/* ============ CONTENT ============ */
#content{position:relative;z-index:10}
.chapter{
  min-height:100vh;display:flex;align-items:center;
  padding:120px clamp(20px,6vw,90px);
}
.wrap{max-width:640px;width:100%;position:relative}
.wrap::before{
  content:'';position:absolute;inset:-70px -90px;z-index:-1;pointer-events:none;
  background:radial-gradient(58% 58% at 42% 46%, rgba(0,0,0,.78), transparent 76%);
  filter:blur(6px);
}
.wrap.right{margin-left:auto;margin-right:clamp(0px,4vw,60px)}
.wrap.left{margin-right:auto;margin-left:clamp(0px,4vw,60px)}
.wrap.wide{max-width:760px}

/* hero */
.hero{align-items:flex-start;padding-top:14vh}
.hero-wrap{max-width:860px}
.kicker{color:var(--accent);margin-bottom:26px}
.hero-name{display:flex;flex-direction:column;line-height:.86;letter-spacing:-.04em;margin-bottom:28px}
.hero-name .line{font-weight:900;font-size:clamp(68px,14vw,190px)}
.hero-name .solid{color:#fff}
.hero-name .outline{
  color:transparent;
  -webkit-text-stroke:2px var(--accent);
  text-stroke:2px var(--accent);
}
.role{color:var(--muted);margin-bottom:22px}
.lede{font-size:clamp(17px,1.6vw,21px);line-height:1.55;color:rgba(255,255,255,.82);max-width:560px;margin-bottom:28px}
.cta-row{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:38px}

.btn{
  display:inline-flex;align-items:center;gap:12px;
  font-family:var(--font-mono);font-size:13px;letter-spacing:.14em;
  border-radius:500px;padding:14px 14px 14px 26px;height:54px;
  transition:background .3s,color .3s,border-color .3s,transform .3s var(--ease);
}
.btn:hover{transform:translateY(-2px)}
.btn-solid{background:var(--accent);color:#fff;border:1px solid var(--accent)}
.btn-solid .pill-arrow{background:#fff;color:var(--accent)}
.btn-solid:hover{background:#8f4dff}
.btn-ghost{background:transparent;color:#fff;border:1px solid var(--faint)}
.btn-ghost .pill-arrow{background:#fff;color:#000}
.btn-ghost:hover{border-color:#fff}

.hero-meta{display:flex;gap:clamp(24px,4vw,56px);flex-wrap:wrap;align-items:center;margin-bottom:18px}
.status{display:flex;align-items:center;gap:10px;font-family:var(--font-mono);font-size:12px;letter-spacing:.14em;color:var(--muted)}
.status .dot{width:8px;height:8px;border-radius:50%;background:var(--accent);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(123,46,255,.6)}50%{box-shadow:0 0 0 9px rgba(123,46,255,0)}}
.stat b{display:block;font-size:clamp(30px,3.4vw,44px);font-weight:900;letter-spacing:-.03em;line-height:1}
.stat span{font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;color:var(--muted)}
.hero-links{display:flex;gap:26px}
.hero-links a{color:var(--muted);transition:color .3s}
.hero-links a:hover{color:var(--accent)}

/* chapter headings */
.chap-label{color:var(--accent);margin-bottom:22px}
.chap-title{
  font-weight:800;font-size:clamp(40px,6vw,84px);line-height:.98;
  letter-spacing:-.03em;text-transform:uppercase;margin-bottom:34px;
}
.chap-title.huge{font-size:clamp(44px,7.4vw,104px)}
.body{font-size:clamp(15px,1.3vw,18px);line-height:1.7;color:rgba(255,255,255,.72);max-width:560px;margin-bottom:20px}

/* experience */
.job{border-top:1px solid var(--line);padding:34px 0 30px;max-width:620px}
.job:last-child{border-bottom:1px solid var(--line)}
.job-date{color:var(--accent);margin-bottom:14px}
.job-role{font-size:clamp(26px,2.6vw,38px);font-weight:800;letter-spacing:-.02em;line-height:1.05;text-transform:uppercase}
.job-org{color:var(--muted);font-size:15px;margin:8px 0 16px}
.tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
.tag{
  border:1px solid var(--accent-dim);color:#c9b3ff;border-radius:500px;
  padding:7px 14px;font-size:11px;transition:border-color .3s,color .3s;
}
.tag:hover{border-color:var(--accent);color:#fff}

/* impact */
.metrics{display:grid;grid-template-columns:1fr 1fr;gap:0;max-width:640px}
.metric{padding:30px 26px 26px 0;border-top:1px solid var(--line)}
.metric b{display:block;font-weight:900;font-size:clamp(52px,6vw,92px);letter-spacing:-.04em;line-height:1}
.metric b i{font-style:normal;color:var(--accent);font-size:.55em;vertical-align:.28em;margin-left:2px}
.metric span{display:block;margin-top:12px;color:var(--muted);font-size:11px;line-height:1.7}

/* skills rows */
.skill-rows{list-style:none;max-width:760px;border-top:1px solid var(--line)}
.skill-rows li{
  display:flex;align-items:baseline;gap:22px;
  padding:17px 4px;border-bottom:1px solid var(--line);
  font-weight:700;font-size:clamp(19px,2.2vw,30px);letter-spacing:-.01em;text-transform:uppercase;
  transition:color .3s,padding-left .35s var(--ease);
}
.skill-rows li span{color:var(--faint);font-size:12px}
.skill-rows li:hover{color:var(--accent);padding-left:18px}

/* education */
.edu{border-top:1px solid var(--line);padding:28px 0;max-width:600px}
.langs{margin-top:38px;max-width:600px}
.langs-title{color:var(--accent);margin-bottom:8px}
.lang{
  display:flex;justify-content:space-between;align-items:baseline;gap:16px;
  border-bottom:1px solid var(--line);padding:13px 2px;
  transition:padding-left .35s var(--ease);
}
.lang:hover{padding-left:14px}
.lang span{font-weight:700;font-size:clamp(17px,1.6vw,22px);text-transform:uppercase;letter-spacing:-.01em}
.lang em{font-style:normal;color:var(--muted);font-size:11px}

/* tech chips */
.chips{display:flex;flex-wrap:wrap;gap:10px;max-width:600px;margin-top:30px}
.chip{
  border:1px solid var(--faint);border-radius:500px;padding:10px 18px;font-size:12px;
  color:rgba(255,255,255,.85);transition:all .3s;
}
.chip:hover{border-color:var(--accent);color:#fff;background:rgba(123,46,255,.14)}

/* contact */
.contact-rows{border-top:1px solid var(--line);max-width:640px;margin:40px 0 34px}
.contact-row{
  display:grid;grid-template-columns:110px 1fr auto;align-items:center;gap:16px;
  padding:22px 4px;border-bottom:1px solid var(--line);
  transition:padding-left .35s var(--ease),background .3s;
}
.contact-row:hover{padding-left:16px;background:rgba(123,46,255,.06)}
.contact-row span{color:var(--muted);font-size:11px}
.contact-row b{font-weight:700;font-size:clamp(17px,1.8vw,24px);letter-spacing:-.01em}
.contact-row i{font-style:normal;color:var(--accent);font-size:20px;transition:transform .3s var(--ease)}
.contact-row:hover i{transform:translate(4px,-4px)}

/* footer */
#footer{position:relative;z-index:10;border-top:1px solid var(--line)}
.marquee{overflow:hidden;padding:26px 0;border-bottom:1px solid var(--line);white-space:nowrap}
.marquee-track{display:inline-flex;animation:marquee 22s linear infinite}
.marquee-track span{
  font-weight:900;font-size:clamp(28px,4vw,54px);letter-spacing:-.02em;
  color:transparent;-webkit-text-stroke:1px rgba(255,255,255,.4);
}
.marquee-track span:nth-child(2){margin-left:0}
@keyframes marquee{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.footer-bar{
  display:flex;justify-content:space-between;align-items:center;gap:18px;flex-wrap:wrap;
  padding:22px clamp(20px,4vw,56px);color:var(--muted);
}
.footer-bar a{color:var(--muted);transition:color .3s}
.footer-bar a:hover{color:var(--accent)}

/* ============ SCROLL HINT + MOTION TOGGLE ============ */
#scroll-hint{
  position:fixed;bottom:26px;left:50%;transform:translateX(-50%);
  z-index:50;color:var(--muted);transition:opacity .5s;
}
#scroll-hint .hint-arrow{display:inline-block;color:var(--accent);animation:bob 1.6s ease-in-out infinite}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(5px)}}
#scroll-hint.hidden{opacity:0}

#motion-toggle{
  position:fixed;bottom:22px;right:clamp(18px,3vw,44px);z-index:50;
  background:transparent;border:1px solid var(--faint);border-radius:500px;
  color:var(--muted);padding:9px 16px;font-size:11px;letter-spacing:.14em;
  font-family:var(--font-mono);cursor:pointer;transition:all .3s;
}
#motion-toggle:hover{border-color:var(--accent);color:#fff}
#motion-toggle.off{border-color:var(--accent);color:var(--accent)}

/* ============ REVEAL ANIMATIONS ============ */
.reveal{opacity:0;transform:translateY(34px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.reveal.in{opacity:1;transform:none}

[data-split] .w{display:inline-block;overflow:hidden;vertical-align:bottom}
[data-split] .w>i{display:inline-block;font-style:normal;transform:translateY(112%);transition:transform 1s var(--ease)}
[data-split].in .w>i{transform:none}

/* reduced-motion / motion-off */
body.no-motion .reveal,body.no-motion [data-split] .w>i{transition:none;opacity:1;transform:none}
body.no-motion .grain,body.no-motion .hint-arrow,body.no-motion .status .dot{animation:none}
@media (prefers-reduced-motion:reduce){
  .reveal,[data-split] .w>i{transition:none;opacity:1;transform:none}
  .grain,.hint-arrow,.status .dot{animation:none}
}

/* ============ RESPONSIVE ============ */
@media (max-width:640px){
  .chapter{padding:110px 22px}
  .wrap.right,.wrap.left{margin:0}
  .metrics{grid-template-columns:1fr 1fr}
  .contact-row{grid-template-columns:88px 1fr auto}
  .footer-bar{justify-content:center;text-align:center}
  #scroll-hint{bottom:82px}
}