:root{
  --bg:#000;
  --fg:#fff;
  --muted:rgba(255,255,255,.74);
  --muted2:rgba(255,255,255,.56);
  --border:rgba(255,255,255,.16);
  --card:rgba(255,255,255,.06);
  --card2:rgba(255,255,255,.08);
  --shadow:rgba(0,0,0,.45);
  --radius:18px;
  --container:1120px;
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --font: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono","Courier New", monospace;
  --h1: clamp(2.1rem, 3.7vw, 3.25rem);
  --h2: clamp(1.35rem, 2.25vw, 1.85rem);
  --h3: 1.05rem;
  --lead: 1.08rem;
}
html[data-theme="light"]{
  --bg:#fff;
  --fg:#000;
  --muted:rgba(0,0,0,.70);
  --muted2:rgba(0,0,0,.55);
  --border:rgba(0,0,0,.18);
  --card:rgba(0,0,0,.04);
  --card2:rgba(0,0,0,.06);
  --shadow:rgba(0,0,0,.12);
}
*{box-sizing:border-box}
html,body{height:100%}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--fg);
  font-family:var(--font);
  line-height:1.55;
  letter-spacing:.1px;
  padding-bottom: var(--safe-bottom);
}
a{color:inherit}
a:hover{text-decoration:underline}
a:focus-visible, button:focus-visible, .copyable:focus-visible{
  outline:2px solid var(--fg);
  outline-offset:3px;
  border-radius: 12px;
}
.container{
  width: min(var(--container), calc(100% - 2.2rem));
  margin: 0 auto;
}
.skip{
  position:absolute;
  left:-9999px;
  top: 12px;
  z-index: 9999;
  background: var(--bg);
  color: var(--fg);
  border: 1px solid var(--border);
  padding: .55rem .75rem;
  border-radius: 14px;
}
.skip:focus{left: 12px}
.header{
  position: sticky;
  top: 0;
  z-index: 100;
  padding-top: var(--safe-top);
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 1rem;
  padding: .95rem 0;
}
.brand{
  display:flex;
  flex-direction: column;
  gap: .15rem;
  text-decoration:none;
  min-width: 220px;
}
.brand:hover{text-decoration:none}
.brand-name{
  font-weight: 860;
  letter-spacing: .16em;
  font-size: .92rem;
  white-space: nowrap;
}
.brand-role{
  color: var(--muted2);
  font-weight: 760;
  letter-spacing: .18em;
  text-transform: uppercase;
  font-size: .72rem;
  white-space: nowrap;
}
.nav{
  display:flex;
  align-items:center;
  justify-content:center;
  gap: .35rem;
  flex: 1;
  min-width: 0;
}
.nav a{
  color: var(--muted);
  text-decoration:none;
  border-radius: 14px;
  padding: .52rem .7rem;
  border: 1px solid transparent;
}
.nav a:hover{
  color: var(--fg);
  background: var(--card);
  border-color: var(--border);
  text-decoration:none;
}
.controls{
  display:flex;
  gap: .55rem;
  align-items:center;
}
.iconbtn{
  appearance:none;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--fg);
  border-radius: 16px;
  padding: .55rem .75rem;
  cursor:pointer;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap: .55rem;
  box-shadow: 0 16px 32px -26px var(--shadow);
  -webkit-tap-highlight-color: transparent;
  min-height: 44px;
  min-width: 44px;
}
.iconbtn:hover{background: var(--card2)}
.iconbtn .icon{font-family: var(--mono); font-size: 1.12rem; line-height: 1}
.iconbtn .lang{font-family: var(--mono); font-weight: 800; letter-spacing: .04em; font-size: .9rem}
.hero{
  padding: 3.2rem 0 2.2rem;
}
.hero-grid{
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 1.25rem;
  align-items:start;
}
.eyebrow{
  margin:0 0 .55rem;
  color: var(--muted2);
  letter-spacing: .22em;
  font-weight: 780;
  font-size: .82rem;
}
.h1{
  margin:0;
  font-size: var(--h1);
  letter-spacing: -0.02em;
  line-height: 1.08;
}
.lead{
  margin: 1rem 0 1.15rem;
  max-width: 70ch;
  font-size: var(--lead);
  color: var(--muted);
}
.muted{color: var(--muted)}
.hero-links{
  display:flex;
  align-items:center;
  gap: .7rem;
  margin: .1rem 0 1.25rem;
  flex-wrap: wrap;
}
.sep{color: var(--muted2)}
.textlink{
  text-decoration: none;
  color: var(--muted);
  font-weight: 850;
  border-bottom: 1px solid color-mix(in srgb, var(--fg) 30%, transparent);
  padding-bottom: .08rem;
}
.textlink:hover{
  color: var(--fg);
  border-bottom-color: var(--fg);
  text-decoration:none;
}
.stats{
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: .75rem;
  margin: 0;
}
.stat{
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--card);
  padding: .9rem;
}
.stat dt{
  color: var(--muted2);
  font-size: .78rem;
  letter-spacing: .10em;
  text-transform: uppercase;
  font-weight: 850;
}
.stat dd{
  margin: .18rem 0 0;
  font-weight: 850;
}
.card{
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--card);
  padding: 1.05rem 1.1rem;
}
.card-top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: .7rem;
}
.kicker{
  margin:0;
  color: var(--muted2);
  letter-spacing: .14em;
  text-transform: uppercase;
  font-weight: 850;
  font-size: .78rem;
}
.card-title{
  margin:.65rem 0 .15rem;
  font-size: 1.25rem;
  letter-spacing:-0.01em;
}
.micro{font-size:.88rem}
.mono{font-family: var(--mono)}
.pill{
  border: 1px solid var(--border);
  background: transparent;
  border-radius: 999px;
  padding: .25rem .55rem;
  font-size: .86rem;
}
.divider{
  height: 1px;
  background: var(--border);
  margin: .95rem 0;
}
.kv{
  display:grid;
  grid-template-columns: 1fr 2fr;
  gap: .55rem .9rem;
  align-items:baseline;
}
.kv-k{
  margin:0;
  color: var(--muted2);
  font-size: .78rem;
  letter-spacing: .10em;
  text-transform: uppercase;
  font-weight: 850;
}
.kv-v{margin:0}
.section{
  padding: 2.75rem 0;
}
.section.alt{
  background: color-mix(in srgb, var(--bg) 92%, var(--fg) 8%);
  border-top: 1px solid color-mix(in srgb, var(--border) 70%, transparent);
  border-bottom: 1px solid color-mix(in srgb, var(--border) 70%, transparent);
}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap: 1rem;
  margin-bottom: 1.35rem;
}
.h2{margin:0; font-size: var(--h2); letter-spacing:-0.01em}
.h3{margin:0 0 .55rem; font-size: var(--h3)}
.sub{
  margin:0;
  color: var(--muted);
  max-width: 60ch;
}
.grid-2{
  display:grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 1rem;
}
.grid-3{
  display:grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 1rem;
}
.callout{
  margin-top: 1rem;
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  padding: 1.05rem 1.1rem;
  background: transparent;
}
.callout-text{
  margin: .45rem 0 0;
  color: var(--muted);
}
.chips{
  display:flex;
  flex-wrap: wrap;
  gap: .6rem;
  margin-bottom: 1rem;
}
.chip{
  padding: .45rem .7rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--card2);
  font-family: var(--mono);
  font-size: .9rem;
}
.bullets{
  margin: .7rem 0 0;
  padding-left: 1.05rem;
}
.bullets li{
  margin: .38rem 0;
  color: var(--muted);
}
.timeline{display:flex; flex-direction:column; gap: 1rem}
.tl-item{display:grid; grid-template-columns: 220px 1fr; gap: 1rem; align-items:start}
.tl-meta{padding: .9rem 0}
.tl-role{margin:0; font-weight: 850}
.tl-time{margin:.2rem 0 0; color: var(--muted2); font-size: .92rem}
.biglink{margin:0}
.copyable{
  cursor:pointer;
  user-select: text;
  border-bottom: 1px solid color-mix(in srgb, var(--fg) 35%, transparent);
  padding-bottom: .08rem;
}
.copyable:hover{
  border-bottom-color: var(--fg);
}
.footer{
  padding: 1.6rem 0 1.9rem;
}
.footer-inner{
  display:flex;
  justify-content:center;
}
.footer-center a{
  text-decoration:none;
}
.footer-center a:hover{
  text-decoration:underline;
}
.toast{
  position: fixed;
  left: 50%;
  bottom: calc(18px + var(--safe-bottom));
  transform: translateX(-50%);
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg) 90%, var(--fg) 10%);
  color: var(--fg);
  padding: .65rem .85rem;
  border-radius: 14px;
  box-shadow: 0 18px 40px -28px var(--shadow);
  opacity: 0;
  pointer-events: none;
  transition: opacity .18s ease;
  font-weight: 750;
}
.toast.show{opacity: 1}

/* --- Enhancements: profile media + buttons + projects --- */
.profile-media{
  display:flex;
  justify-content:center;
  margin: 1rem 0 .35rem;
}
.avatar{
  width: 112px;
  height: 112px;
  border-radius: 999px;
  border: 1px solid var(--border);
  box-shadow: 0 24px 50px -36px var(--shadow);
  object-fit: cover;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.55rem;
  padding:.6rem .9rem;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: var(--fg);
  color: var(--bg);
  text-decoration:none;
  font-weight: 850;
  min-height: 44px;
}
.btn:hover{ text-decoration:none; filter: brightness(.95); }
.btn.ghost{
  background: transparent;
  color: var(--fg);
}
.btn.ghost:hover{
  background: var(--card);
}
.projects-head{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap: 1rem;
  margin: 0 0 1rem;
}
.projects-links{
  display:flex;
  gap:.55rem;
  flex-wrap: wrap;
}
.project-top{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap: .75rem;
  margin-bottom: .35rem;
}
.project-meta{
  display:flex;
  gap: .75rem;
  align-items:center;
  margin: .9rem 0 .2rem;
  color: var(--muted2);
}
.project .h3{ margin: 0; }


@media (max-width: 980px){
  .hero-grid{grid-template-columns: 1fr}
  .stats{grid-template-columns: 1fr}
  .grid-3{grid-template-columns: 1fr}
  .tl-item{grid-template-columns: 1fr}
  .nav{
    justify-content:flex-start;
    overflow-x:auto;
    scrollbar-width:none;
    padding: .25rem 0;
  }
  .nav::-webkit-scrollbar{display:none}
  .nav a{
    white-space: nowrap;
    border: 1px solid var(--border);
    background: var(--card);
  }
}
@media (max-width: 560px){
  .container{width: min(var(--container), calc(100% - 1.4rem))}
  .header-inner{flex-wrap: wrap; gap: .6rem .75rem; padding: .8rem 0 .65rem}
  .brand{min-width: 0; flex: 1; order: 1}
  .brand-name{font-size: .88rem}
  .brand-role{display:none}
  .controls{order: 2; margin-left: auto}
  .nav{
    order: 3;
    flex: 0 0 100%;
    justify-content: flex-start;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding-bottom: .15rem;
  }
  .nav::-webkit-scrollbar{display:none}
  .nav a{white-space: nowrap; padding: .48rem .62rem}
  .grid-2{grid-template-columns: 1fr}
  .section-head{flex-direction: column; align-items:flex-start}
  .projects-head{flex-direction: column; align-items:flex-start}

}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  .toast{transition:none}
}