:root{
  --bg:#14171F;
  --bg-alt:#1B1F2A;
  --line:#2C3242;
  --text:#EDEAE2;
  --text-dim:#98A0B0;
  --amber:#E7A33E;
  --teal:#4FBFAE;
  --teal-dim:#2C6E64;
  --radius:10px;
  --font-display:'Space Grotesk',sans-serif;
  --font-body:'Inter',sans-serif;
  --font-mono:'JetBrains Mono',monospace;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-body);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;}
.text-link{color:var(--teal);text-decoration:underline;text-underline-offset:2px;}
.text-link:hover{color:var(--amber);}
::selection{background:var(--amber);color:#14171F;}

header{
  position:sticky;top:0;z-index:50;
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 6vw;
  background:rgba(20,23,31,0.88);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.brand{display:flex;flex-direction:column;line-height:1.1;}
.brand-main{font-size:16px;font-weight:700;letter-spacing:0.02em;font-family:var(--font-display);}
.brand-sub{font-family:var(--font-mono);font-size:11px;color:var(--text-dim);letter-spacing:0.04em;}
nav{display:flex;gap:6px;}
nav a{
  font-family:var(--font-mono);
  font-size:13px;
  background:none;border:none;color:var(--text-dim);
  padding:8px 14px;border-radius:8px;cursor:pointer;
  transition:color .2s ease, background .2s ease;
  display:inline-block;
}
nav a:hover{color:var(--text);background:var(--bg-alt);}
nav a[aria-current="page"]{color:var(--bg);background:var(--amber);font-weight:500;}
nav a:focus-visible, .brand:focus-visible, .btn:focus-visible{
  outline:2px solid var(--teal);outline-offset:2px;
}
.nav-toggle{display:none;background:none;border:1px solid var(--line);color:var(--text);border-radius:8px;padding:6px 10px;font-size:16px;cursor:pointer;}

main{max-width:960px;margin:0 auto;padding:0 6vw;}
section.page{padding:64px 0 96px;animation:fadeIn .5s ease;}
@keyframes fadeIn{from{opacity:0;transform:translateY(6px);}to{opacity:1;transform:translateY(0);}}
@media (prefers-reduced-motion:reduce){
  section.page{animation:none;}
  html{scroll-behavior:auto;}
}

.eyebrow{
  font-family:var(--font-mono);font-size:12px;color:var(--teal);
  letter-spacing:0.08em;text-transform:uppercase;margin:0 0 14px;
}
h1{
  font-family:var(--font-display);font-size:clamp(32px,5vw,52px);
  font-weight:700;margin:0 0 18px;letter-spacing:-0.01em;
}
h2{
  font-family:var(--font-display);font-size:clamp(22px,3vw,28px);
  font-weight:600;margin:0 0 8px;
}
.lede{font-size:17px;color:var(--text-dim);max-width:62ch;margin:0 0 32px;}

.pulse{display:flex;align-items:flex-end;gap:4px;height:28px;margin:0 0 36px;}
.pulse span{
  width:4px;border-radius:2px;
  background:var(--amber);
  animation:pulse 1.4s ease-in-out infinite;
}
.pulse span:nth-child(odd){background:var(--teal);}
.pulse span:nth-child(1){height:40%;animation-delay:0s;}
.pulse span:nth-child(2){height:80%;animation-delay:.1s;}
.pulse span:nth-child(3){height:55%;animation-delay:.2s;}
.pulse span:nth-child(4){height:100%;animation-delay:.3s;}
.pulse span:nth-child(5){height:35%;animation-delay:.4s;}
.pulse span:nth-child(6){height:70%;animation-delay:.5s;}
.pulse span:nth-child(7){height:50%;animation-delay:.6s;}
.pulse span:nth-child(8){height:90%;animation-delay:.7s;}
.pulse span:nth-child(9){height:45%;animation-delay:.8s;}
.pulse span:nth-child(10){height:65%;animation-delay:.9s;}
@keyframes pulse{0%,100%{transform:scaleY(0.4);}50%{transform:scaleY(1);}}
@media (prefers-reduced-motion:reduce){
  .pulse span{animation:none;}
}

.btn-row{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:8px;}
.btn{
  font-family:var(--font-mono);font-size:13px;
  padding:11px 20px;border-radius:8px;cursor:pointer;border:1px solid var(--line);
  background:var(--bg-alt);color:var(--text);
  transition:border-color .2s ease, transform .15s ease;
  display:inline-block;
}
.btn:hover{border-color:var(--amber);transform:translateY(-1px);}
.btn.primary{background:var(--amber);color:#14171F;border-color:var(--amber);font-weight:500;}
.btn.primary:hover{border-color:var(--teal);}

.chips{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0 8px;}
.chip{
  font-family:var(--font-mono);font-size:12px;color:var(--text-dim);
  border:1px solid var(--line);border-radius:6px;padding:5px 10px;
}

.band{
  margin-top:56px;padding-top:48px;border-top:1px solid var(--line);
}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px;margin-top:24px;}
.card{
  background:var(--bg-alt);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;
}
.card h3{font-family:var(--font-display);font-size:18px;margin:0 0 8px;}
.card p{color:var(--text-dim);font-size:14px;margin:0 0 14px;}
.status{
  display:inline-block;font-family:var(--font-mono);font-size:11px;
  color:var(--teal);border:1px solid var(--teal-dim);border-radius:20px;
  padding:3px 10px;margin-bottom:12px;letter-spacing:0.03em;
}

.stack-group{margin-bottom:20px;}
.stack-group h4{font-family:var(--font-mono);font-size:12px;color:var(--text-dim);text-transform:uppercase;letter-spacing:0.06em;margin:0 0 10px;}

.hobby-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin-top:20px;}
.hobby{
  background:var(--bg-alt);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px;display:flex;gap:14px;align-items:flex-start;
}
.hobby-mark{
  width:8px;height:8px;border-radius:50%;margin-top:6px;flex-shrink:0;
  background:var(--amber);
}
.hobby:nth-child(even) .hobby-mark{background:var(--teal);}
.hobby h4{font-family:var(--font-display);font-size:15px;margin:0 0 4px;}
.hobby p{font-size:13px;color:var(--text-dim);margin:0;}

.service{
  background:var(--bg-alt);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;
}
.service h3{font-family:var(--font-display);font-size:17px;margin:0 0 8px;display:flex;align-items:center;gap:8px;}
.service .num{font-family:var(--font-mono);color:var(--amber);font-size:13px;}
.service p{color:var(--text-dim);font-size:14px;margin:0;}
.service.entry{border-color:var(--teal-dim);}
.icon{width:18px;height:18px;flex-shrink:0;color:var(--teal);}

.mermaid{
  display:flex;justify-content:center;
  background:var(--bg-alt);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;overflow-x:auto;
}

details{border-bottom:1px solid var(--line);padding:14px 0;}
details:first-of-type{border-top:1px solid var(--line);}
details summary{
  font-family:var(--font-display);font-size:15px;font-weight:600;
  cursor:pointer;list-style:none;display:flex;align-items:center;justify-content:space-between;gap:12px;
}
details summary::-webkit-details-marker{display:none;}
details summary::after{content:'+';font-family:var(--font-mono);color:var(--teal);font-size:18px;flex-shrink:0;}
details[open] summary::after{content:'\2013';}
details p{color:var(--text-dim);font-size:14px;margin:10px 0 0;}

.avatar{
  width:120px;height:120px;border-radius:50%;
  background:var(--bg-alt);border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-display);font-size:36px;font-weight:700;color:var(--teal);
  margin-bottom:24px;
}
.dev-photo{
  width:160px;height:160px;border-radius:50%;
  object-fit:cover;border:2px solid var(--teal);
  margin-bottom:24px;
}

.project-card{display:block;transition:border-color .2s ease, transform .15s ease;}
.project-card:hover{border-color:var(--amber);transform:translateY(-2px);}
.project-thumb{
  aspect-ratio:16/9;border-radius:var(--radius) var(--radius) 0 0;
  background:var(--bg);border-bottom:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  margin:-24px -24px 16px;
}
.project-thumb svg{width:36px;height:36px;color:var(--teal);}

footer{
  border-top:1px solid var(--line);padding:32px 6vw;
  font-family:var(--font-mono);font-size:12px;color:var(--text-dim);
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;
}

@media (max-width:640px){
  header{padding:16px 5vw;}
  nav{
    position:absolute;top:100%;left:0;right:0;
    flex-direction:column;background:var(--bg-alt);
    border-bottom:1px solid var(--line);
    padding:8px;display:none;
  }
  nav.open{display:flex;}
  .nav-toggle{display:block;}
  section.page{padding:44px 0 64px;}
}