:root{
  --bg:#0b0c10;
  --surface:#14161c;
  --surface-2:#1b1e26;
  --line:#2b2f3a;
  --text:#e9ebf0;
  --text-dim:#9aa0ac;
  --text-faint:#5c6270;
  --ember:#ff7a29;
  --ember-soft:rgba(255,122,41,0.14);
  --gold:#e8b04b;
  --gold-soft:rgba(232,176,75,0.16);
  --font-display:'Clash Display', 'Inter', sans-serif;
  --font-mono:'IBM Plex Mono', monospace;
  --font-body:'Inter', sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-body);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
::selection{background:var(--ember);color:#0b0c10;}
a{color:inherit;text-decoration:none;}

.noise{
  position:fixed;inset:0;pointer-events:none;z-index:2;opacity:.035;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- thread / scroll spine ---------- */
.spine{
  position:fixed;left:28px;top:0;bottom:0;width:1px;z-index:40;
  display:flex;align-items:center;pointer-events:none;
}
.spine-track{position:relative;width:1px;height:60vh;background:var(--line);}
.spine-fill{position:absolute;top:0;left:0;width:1px;height:0%;background:linear-gradient(var(--ember),var(--gold));transition:height .08s linear;}
.spine-dot{position:absolute;left:50%;transform:translate(-50%,-50%);width:9px;height:9px;border-radius:50%;background:var(--ember);box-shadow:0 0 12px 3px var(--ember-soft);top:0%;transition:top .08s linear;}
@media (max-width:900px){.spine{display:none;}}

/* ---------- nav ---------- */
nav{
  position:fixed;top:0;left:0;right:0;z-index:50;
  display:flex;align-items:center;justify-content:space-between;
  padding:22px 48px;
  background:linear-gradient(to bottom, rgba(11,12,16,.85), transparent);
  backdrop-filter:blur(2px);
}
.wordmark{font-family:var(--font-display);font-weight:600;font-size:19px;letter-spacing:.02em;}
.wordmark span{color:var(--ember);}
.nav-links{display:flex;gap:36px;font-family:var(--font-mono);font-size:12.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--text-dim);}
.nav-links a{position:relative;transition:color .2s;}
.nav-links a:hover{color:var(--text);}
.nav-links a::after{content:'';position:absolute;bottom:-5px;left:0;width:0;height:1px;background:var(--ember);transition:width .25s;}
.nav-links a:hover::after{width:100%;}
.nav-cta{
  font-family:var(--font-mono);font-size:12px;letter-spacing:.05em;text-transform:uppercase;
  border:1px solid var(--line);padding:9px 16px;border-radius:2px;color:var(--text);
  transition:border-color .2s, background .2s;
}
.nav-cta:hover{border-color:var(--ember);background:var(--ember-soft);}
@media (max-width:900px){.nav-links{display:none;} nav{padding:18px 24px;}}

section{position:relative;padding:0 48px;}
@media (max-width:900px){section{padding:0 22px;}}
.wrap{max-width:1180px;margin:0 auto;}
.eyebrow{
  font-family:var(--font-mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--ember);
  display:flex;align-items:center;gap:10px;margin-bottom:18px;
}
.eyebrow::before{content:'';width:16px;height:1px;background:var(--ember);}

/* ---------- hero ---------- */
.hero{
  min-height:100vh;display:flex;flex-direction:column;justify-content:center;
  padding:160px 48px 90px;position:relative;overflow:hidden;
}
@media (max-width:900px){.hero{padding:140px 22px 90px;}}
@media (max-width:700px){.hero{padding:130px 22px 70px;}}
.hero::before{
  content:'';position:absolute;inset:0;z-index:0;
  background-image:
    linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size:44px 44px;
  mask-image:radial-gradient(ellipse 80% 70% at 50% 40%, #000 40%, transparent 90%);
  -webkit-mask-image:radial-gradient(ellipse 80% 70% at 50% 40%, #000 40%, transparent 90%);
}
#ember-canvas{position:absolute;inset:0;z-index:0;}
.hero-inner{
  position:relative;z-index:1;max-width:1180px;margin:0 auto;width:100%;
  display:flex;align-items:center;gap:40px;
}
.hero-text{flex:0 0 54%;max-width:620px;}
.hero h1{
  font-family:var(--font-display);font-weight:600;text-transform:uppercase;
  font-size:clamp(40px,6vw,72px);line-height:1.08;letter-spacing:-.005em;
  opacity:0;animation:heroIn 1s cubic-bezier(.2,.7,.2,1) .15s forwards;
}
.hero h1 em{font-style:normal;color:var(--ember);}
@keyframes heroIn{
  from{opacity:0;transform:translateY(24px);}
  to{opacity:1;transform:translateY(0);}
}
.hero-sub{
  margin-top:20px;max-width:560px;font-size:18px;line-height:1.6;color:var(--text-dim);
  opacity:0;animation:heroIn .9s cubic-bezier(.2,.7,.2,1) .45s forwards;
}
.hero-meta{
  margin-top:36px;display:flex;gap:48px;flex-wrap:wrap;
  font-family:var(--font-mono);font-size:12.5px;color:var(--text-faint);
  opacity:0;animation:heroIn .9s cubic-bezier(.2,.7,.2,1) .7s forwards;
}
.hero-meta div span{display:block;color:var(--text);font-size:15px;margin-bottom:4px;font-family:var(--font-body);}
.hero-art{
  flex:1;position:relative;z-index:1;display:flex;justify-content:flex-end;align-items:center;
  opacity:0;animation:solarIn 1.4s cubic-bezier(.2,.7,.2,1) .9s forwards;
}
.hero-art svg{
  width:100%;max-width:420px;
  filter:drop-shadow(0 30px 60px var(--ember-soft));
  animation:tr-float 6s ease-in-out infinite;
}
@keyframes tr-float{0%,100%{transform:translateY(0);}50%{transform:translateY(-14px);}}
@media (max-width:1400px){.hero-art{display:none;}}
@media (max-width:900px){
  .hero-inner{flex-direction:column;align-items:flex-start;}
  .hero-text{flex:none;max-width:100%;}
}
.scroll-cue{
  position:absolute;bottom:38px;left:0;display:flex;align-items:center;gap:10px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--text-faint);
}
.scroll-cue .bar{width:1px;height:28px;background:var(--line);position:relative;overflow:hidden;}
.scroll-cue .bar::after{content:'';position:absolute;top:-100%;left:0;width:100%;height:100%;background:var(--ember);animation:cue 1.8s infinite;}
@keyframes cue{0%{top:-100%;}100%{top:100%;}}

/* ---------- hero-art reveal (used by circuit/chip graphic) ---------- */
@keyframes solarIn{from{opacity:0;transform:translateY(0) scale(.92);}to{opacity:1;transform:translateY(0) scale(1);}}
@media (prefers-reduced-motion: reduce){
  .hero-art{animation:none;opacity:1;}
  .hero-art svg{animation:none;}
}

/* ---------- section heads ---------- */
.section-head{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:32px;gap:24px;flex-wrap:wrap;}
h2.section-title{font-family:var(--font-display);font-weight:600;font-size:clamp(32px,4.4vw,52px);letter-spacing:-.01em;}
.section-note{font-family:var(--font-mono);font-size:12.5px;color:var(--text-faint);max-width:280px;text-align:right;line-height:1.6;}
@media (max-width:700px){.section-note{text-align:left;}}

.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s ease, transform .7s ease;}
.reveal.in{opacity:1;transform:translateY(0);}

/* ---------- about ---------- */
.about{padding-top:70px;padding-bottom:70px;border-top:1px solid var(--line);}
.about-grid{display:grid;grid-template-columns:280px 1fr;gap:64px;}
@media (max-width:800px){
  .about-grid{grid-template-columns:1fr;gap:36px;}
  .about-grid .portrait, .about-grid .portrait-image{max-width:220px;margin:0 auto;}
}

/* Replaced old portrait placeholder with precise image controls */
.portrait, .portrait-image {
  width: 100%;
  max-width: 280px; /* Locks the resolution width to match the grid */
  aspect-ratio: 4/5; /* Ensures the image stays strictly 4:5 */
  object-fit: cover; /* Centers the image to prevent distortion */
  border: 1px solid var(--line);
  border-radius: 2px;
  display: block;
}

.about-body p{font-size:17px;line-height:1.75;color:var(--text-dim);margin-bottom:20px;max-width:640px;}
.about-body strong{color:var(--text);font-weight:500;}
.stat-row{display:flex;gap:56px;margin-top:44px;flex-wrap:wrap;}
.stat b{display:block;font-family:var(--font-body);font-weight:500;font-size:19px;color:var(--ember);}
.stat span{font-family:var(--font-mono);font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--text-faint);}

/* ---------- skills ---------- */
.skills{padding-top:70px;padding-bottom:70px;border-top:1px solid var(--line);}
.skills-grid{display:grid;grid-template-columns:1fr 1fr;gap:34px 56px;}
@media (max-width:800px){.skills-grid{grid-template-columns:1fr;gap:26px;}}
.skill-item{}
.skill-top{display:flex;justify-content:space-between;font-family:var(--font-mono);font-size:13px;margin-bottom:10px;}
.skill-top span:first-child{color:var(--text);}
.skill-pct{color:var(--ember);}
.skill-track{width:100%;height:5px;border-radius:3px;background:var(--surface-2);border:1px solid var(--line);overflow:hidden;}
.skill-fill{
  height:100%;width:0%;border-radius:3px;
  background:linear-gradient(90deg,var(--ember),var(--gold));
  transition:width 1.3s cubic-bezier(.2,.8,.2,1);
  box-shadow:0 0 10px 1px var(--ember-soft);
}

/* ---------- work ---------- */
.work{padding-top:70px;padding-bottom:70px;border-top:1px solid var(--line);}
.work-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
@media (max-width:800px){.work-grid{grid-template-columns:1fr;}}
.work-card{
  border:1px solid var(--line);border-radius:3px;padding:32px;background:var(--surface);
  position:relative;overflow:hidden;transition:transform .35s ease, border-color .35s ease;
  transform-style:preserve-3d;
}
.work-card:hover{border-color:var(--ember);transform:translateY(-4px);}
.work-card .glow{
  position:absolute;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,var(--ember-soft),transparent 70%);
  left:var(--x,50%);top:var(--y,50%);transform:translate(-50%,-50%);
  opacity:0;transition:opacity .3s;pointer-events:none;
}
.work-card:hover .glow{opacity:1;}
.work-card .tag{font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--ember);}
.work-card h3{font-family:var(--font-display);font-weight:600;font-size:24px;margin:14px 0 12px;}
.work-card p{color:var(--text-dim);font-size:14.5px;line-height:1.65;margin-bottom:20px;}
.work-card .meta{display:flex;justify-content:space-between;font-family:var(--font-mono);font-size:11.5px;color:var(--text-faint);border-top:1px solid var(--line);padding-top:16px;}

/* ---------- research ---------- */
.research{padding-top:70px;padding-bottom:70px;border-top:1px solid var(--line);}
.paper{
  display:grid;grid-template-columns:120px 1fr auto;gap:28px;align-items:start;
  padding:30px 0;border-top:1px solid var(--line);
}
.research-list .paper:last-child{border-bottom:1px solid var(--line);}
.paper .date{font-family:var(--font-mono);font-size:12px;color:var(--text-faint);padding-top:4px;}
.paper h3{font-family:var(--font-display);font-weight:600;font-size:21px;margin-bottom:10px;}
.paper p{color:var(--text-dim);font-size:14.5px;line-height:1.65;max-width:600px;margin-bottom:12px;}
.paper .tags{display:flex;gap:8px;flex-wrap:wrap;}
.paper .tags span{font-family:var(--font-mono);font-size:10.5px;text-transform:uppercase;letter-spacing:.06em;color:var(--gold);border:1px solid rgba(232,176,75,.28);padding:3px 8px;border-radius:20px;}
.paper .dl{
  font-family:var(--font-mono);font-size:12px;letter-spacing:.04em;color:var(--text);
  border:1px solid var(--line);padding:9px 16px;border-radius:2px;white-space:nowrap;
  transition:border-color .2s, color .2s;height:fit-content;
}
.paper .dl:hover{border-color:var(--ember);color:var(--ember);}
@media (max-width:700px){.paper{grid-template-columns:1fr;} .paper .dl{justify-self:start;}}
.research-upload-note{
  margin-top:40px;font-family:var(--font-mono);font-size:12px;color:var(--text-faint);
  border:1px dashed var(--line);padding:18px 22px;border-radius:2px;line-height:1.7;
}

/* ---------- blog ---------- */
.blog{padding-top:70px;padding-bottom:70px;border-top:1px solid var(--line);}
.blog-timeline-wrap{position:relative;}
.blog-timeline{
  display:flex;gap:0;overflow-x:auto;overflow-y:hidden;padding:50px 10px 30px;
  scroll-snap-type:x proximity;position:relative;
  scrollbar-width:thin;scrollbar-color:var(--ember) var(--surface-2);
}
.blog-timeline::-webkit-scrollbar{height:6px;}
.blog-timeline::-webkit-scrollbar-track{background:var(--surface-2);}
.blog-timeline::-webkit-scrollbar-thumb{background:var(--ember);border-radius:4px;}
.blog-line{
  position:absolute;left:10px;right:10px;top:64px;height:1px;background:var(--line);z-index:0;
}
.blog-node{
  display:block;position:relative;flex:0 0 auto;width:230px;padding:0 22px;scroll-snap-align:start;cursor:pointer;z-index:1;
}
.blog-empty{
  font-family:var(--font-mono);font-size:12.5px;color:var(--text-faint);padding:20px 22px;
}
.blog-node .dot{
  width:11px;height:11px;border-radius:50%;background:var(--bg);border:2px solid var(--ember);
  position:relative;margin-bottom:18px;transition:background .25s, box-shadow .25s, transform .25s;
}
.blog-node:hover .dot{background:var(--ember);box-shadow:0 0 14px 3px var(--ember-soft);transform:scale(1.2);}
.blog-node .b-date{font-family:var(--font-mono);font-size:11px;color:var(--text-faint);letter-spacing:.05em;margin-bottom:8px;}
.blog-node h4{font-family:var(--font-display);font-weight:600;font-size:17px;line-height:1.3;margin-bottom:8px;transition:color .2s;}
.blog-node:hover h4{color:var(--ember);}
.blog-node p{font-size:13px;color:var(--text-dim);line-height:1.55;}
.blog-node .read{
  display:inline-block;margin-top:12px;font-family:var(--font-mono);font-size:11px;color:var(--gold);
  letter-spacing:.05em;text-transform:uppercase;
}
.blog-scroll-hint{
  text-align:center;font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;
  color:var(--text-faint);margin-top:6px;
}

/* ---------- milestones ---------- */
.milestones{padding-top:70px;padding-bottom:70px;border-top:1px solid var(--line);}
.m-list{position:relative;padding-left:34px;}
.m-list::before{content:'';position:absolute;left:5px;top:6px;bottom:6px;width:1px;background:var(--line);}
.m-item{position:relative;padding-bottom:44px;}
.m-item:last-child{padding-bottom:0;}
.m-item::before{content:'';position:absolute;left:-34px;top:4px;width:9px;height:9px;border-radius:50%;background:var(--bg);border:1px solid var(--ember);}
.m-item .y{font-family:var(--font-mono);font-size:12px;color:var(--ember);margin-bottom:6px;display:block;}
.m-item h4{font-family:var(--font-display);font-weight:600;font-size:19px;margin-bottom:6px;}
.m-item p{color:var(--text-dim);font-size:14.5px;line-height:1.6;max-width:600px;}

/* ---------- friends ---------- */
.friends{padding-top:70px;padding-bottom:70px;border-top:1px solid var(--line);}
.friends-scroll-wrap{position:relative;}
.friends-grid{
  display:flex;gap:22px;overflow-x:auto;overflow-y:hidden;padding:6px 4px 26px;
  scroll-snap-type:x proximity;
  scrollbar-width:thin;scrollbar-color:var(--gold) var(--surface-2);
}
.friends-grid::-webkit-scrollbar{height:6px;}
.friends-grid::-webkit-scrollbar-track{background:var(--surface-2);}
.friends-grid::-webkit-scrollbar-thumb{background:var(--gold);border-radius:4px;}
.friends-scroll-hint{
  text-align:center;font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;
  color:var(--text-faint);margin-top:2px;
}
.friend-card{
  flex:0 0 300px;scroll-snap-align:start;
  border:1px solid var(--line);border-radius:3px;padding:28px;background:var(--surface);
  transition:transform .3s ease, border-color .3s ease;
}
@media (max-width:600px){.friend-card{flex:0 0 260px;}}
.friend-card:hover{border-color:var(--gold);transform:translateY(-4px);}
.friend-card h3{font-family:var(--font-display);font-weight:600;font-size:20px;margin:0 0 10px;}
.friend-card p{color:var(--text-dim);font-size:14px;line-height:1.6;margin-bottom:18px;}
.friend-mail{
  display:inline-block;font-family:var(--font-mono);font-size:12px;color:var(--text);
  border:1px solid var(--line);padding:8px 14px;border-radius:2px;transition:border-color .2s,color .2s;
}
.friend-mail:hover{border-color:var(--ember);color:var(--ember);}

/* ---------- contact ---------- */
.contact{padding-top:70px;padding-bottom:70px;border-top:1px solid var(--line);text-align:center;}
.contact h2{font-family:var(--font-display);font-weight:600;font-size:clamp(34px,6vw,68px);letter-spacing:-.01em;line-height:1.05;max-width:800px;margin:0 auto 30px;}
.contact h2 em{font-style:normal;color:var(--ember);}
.contact p{color:var(--text-dim);font-size:16px;max-width:480px;margin:0 auto 40px;}
.contact-cta{
  display:inline-flex;align-items:center;gap:12px;font-family:var(--font-mono);font-size:13px;letter-spacing:.06em;text-transform:uppercase;
  border:1px solid var(--ember);color:var(--ember);padding:16px 32px;border-radius:2px;transition:background .25s, color .25s;
}
.contact-cta:hover{background:var(--ember);color:#0b0c10;}
footer{
  margin-top:100px;padding:28px 48px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px;
  font-family:var(--font-mono);font-size:11.5px;color:var(--text-faint);
}
.socials{display:flex;gap:22px;}
.socials a:hover{color:var(--ember);}
@media (max-width:700px){footer{padding:24px 22px;}}

@media (prefers-reduced-motion: reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}

/* ---------- custom animated cursor ---------- */
body.has-fine-cursor{cursor:none;}
body.has-fine-cursor a, body.has-fine-cursor button{cursor:none;}
.cursor-dot, .cursor-ring{
  position:fixed;top:0;left:0;pointer-events:none;z-index:200;
  border-radius:50%;transform:translate(-50%,-50%);
  opacity:0;transition:opacity .25s ease;
}
.cursor-dot{
  width:6px;height:6px;background:var(--ember);
  box-shadow:0 0 8px 2px var(--ember-soft);
}
.cursor-ring{
  width:20px;height:20px;border:1px solid var(--gold);
  transition:opacity .25s ease, width .25s ease, height .25s ease, border-color .25s ease, background .25s ease;
}
.cursor-dot.active, .cursor-ring.active{opacity:1;}
.cursor-ring.hovering{
  width:34px;height:34px;background:var(--gold-soft);border-color:var(--gold);
}
@media (pointer: coarse){
  .cursor-dot, .cursor-ring{display:none;}
}

/* smoke wisps left behind the cursor ring — small, tight, fades fast */
.cursor-smoke{
  position:fixed;top:0;left:0;pointer-events:none;z-index:199;
  width:9px;height:9px;border-radius:50%;transform:translate(-50%,-50%);
  background:radial-gradient(circle,var(--gold-soft) 0%,rgba(232,176,75,0) 72%);
  opacity:.45;animation:smokeFade .55s ease-out forwards;
}
@keyframes smokeFade{
  to{opacity:0;transform:translate(-50%,-50%) scale(2.1);}
}
@media (prefers-reduced-motion: reduce){
  .cursor-smoke{display:none;}
}