:root{
  --bg:#0a0f1c;
  --surface:#111a2c;
  --surface-2:#16213a;
  --text:#dce4f0;
  --text-dim:#7c8aa6;
  --accent:#38e0d8;
  --accent-2:#a78bfa;
  --line:rgba(56,224,216,.16);
  --radius:14px;
  --maxw:920px;
}

*{margin:0;padding:0;box-sizing:border-box;}

html{scroll-behavior:smooth;}

body{
  background:
    radial-gradient(ellipse 900px 500px at 15% -10%, rgba(56,224,216,.08), transparent 60%),
    radial-gradient(ellipse 700px 500px at 90% 10%, rgba(167,139,250,.07), transparent 60%),
    var(--bg);
  color:var(--text);
  font-family:'Inter',sans-serif;
  line-height:1.6;
  overflow-x:hidden;
}

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

a{color:inherit;text-decoration:none;}

::selection{background:var(--accent);color:#04141a;}

:focus-visible{outline:2px solid var(--accent); outline-offset:3px; border-radius:4px;}

.eyebrow{
  font-family:'JetBrains Mono',monospace;
  font-size:.72rem;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--accent);
}

h1,h2,h3{font-family:'Space Grotesk',sans-serif; font-weight:700; letter-spacing:-.01em;}

/* ---------- NAV ---------- */
nav{
  position:fixed; top:0; left:0; right:0; z-index:100;
  display:flex; align-items:center; justify-content:space-between;
  padding:18px clamp(20px,6vw,10%);
  background:rgba(10,15,28,0);
  border-bottom:1px solid transparent;
  transition:background .35s ease, border-color .35s ease, backdrop-filter .35s ease;
}
nav.scrolled{
  background:rgba(10,15,28,.78);
  border-color:var(--line);
  backdrop-filter:blur(10px);
}
.logo{
  font-family:'JetBrains Mono',monospace;
  font-size:1rem; font-weight:600; color:var(--text);
  display:flex; align-items:center; gap:2px;
}
.logo .caret{
  display:inline-block; width:9px; height:1.1em; background:var(--accent);
  margin-left:4px; animation:blink 1.1s steps(1) infinite;
}
@keyframes blink{50%{opacity:0;}}

nav ul{list-style:none; display:flex; gap:28px;}
nav a{
  font-family:'JetBrains Mono',monospace; font-size:.85rem; color:var(--text-dim);
  position:relative; padding:4px 0; transition:color .25s ease;
}
nav a::before{content:"~/";color:var(--accent); opacity:.55;}
nav a::after{
  content:""; position:absolute; left:0; bottom:0; height:1px; width:0;
  background:var(--accent); transition:width .3s ease;
}
nav a:hover{color:var(--text);}
nav a:hover::after{width:100%;}

.nav-toggle{
  display:none; flex-direction:column; gap:5px; background:none; border:none; cursor:pointer; padding:8px;
}
.nav-toggle span{width:22px; height:2px; background:var(--text); transition:transform .3s ease, opacity .3s ease;}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.open span:nth-child(2){opacity:0;}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

@media (max-width:720px){
  .nav-toggle{display:flex;}
  nav ul{
    position:fixed; top:60px; left:0; right:0;
    flex-direction:column; gap:0;
    background:rgba(10,15,28,.97); backdrop-filter:blur(10px);
    border-bottom:1px solid var(--line);
    max-height:0; overflow:hidden; transition:max-height .35s ease;
  }
  nav ul.open{max-height:320px;}
  nav ul li{padding:16px clamp(20px,6vw,10%); border-top:1px solid var(--line);}
}

/* ---------- HERO ---------- */
.hero{
  position:relative;
  min-height:100vh;
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  text-align:center;
  padding:120px 20px 60px;
  overflow:hidden;
}
#net-canvas{position:absolute; inset:0; width:100%; height:100%; z-index:0; opacity:.65;}

.hero-content{position:relative; z-index:1; max-width:640px;}

.avatar{
    width:180px;
    height:180px;
    margin:0 auto 25px;
    border-radius:50%;
    overflow:hidden;
    border:4px solid #5eead4;
    box-shadow:0 0 25px rgba(94,234,212,.4);
}

.avatar img{
    width:100%;
    height:100%;
    object-fit:cover;
    display:block;
}
.avatar::before{inset:-14px;}
.avatar::after{inset:-30px; animation-delay:.6s;}
@keyframes ripple{
  0%{opacity:.9; transform:scale(1);}
  100%{opacity:0; transform:scale(1.22);}
}

.hero .eyebrow{display:block; margin-bottom:14px;}

.hero h1{
  font-size:clamp(2.1rem, 5.5vw, 3.4rem);
  line-height:1.08;
  background:linear-gradient(100deg, var(--text) 30%, var(--accent) 65%, var(--accent-2) 100%);
  -webkit-background-clip:text; background-clip:text; color:transparent;
  margin-bottom:16px;
}

.tagline{
  font-family:'JetBrains Mono',monospace;
  font-size:1rem; color:var(--text-dim); min-height:1.6em;
}
.tagline .bar{color:var(--accent); animation:blink 1s steps(1) infinite;}

.cta{
  margin-top:34px;
  display:inline-flex; align-items:center; gap:10px;
  font-family:'JetBrains Mono',monospace; font-size:.9rem;
  padding:13px 26px;
  background:transparent; color:var(--accent);
  border:1px solid var(--accent); border-radius:8px;
  cursor:pointer;
  transition:background .3s ease, color .3s ease, transform .2s ease, box-shadow .3s ease;
}
.cta:hover{
  background:var(--accent); color:#04141a; transform:translateY(-2px);
  box-shadow:0 8px 24px rgba(56,224,216,.25);
}
.cta:active{transform:translateY(0);}

.scroll-cue{
  position:absolute; bottom:30px; left:50%; transform:translateX(-50%);
  display:flex; flex-direction:column; align-items:center; gap:6px;
  font-family:'JetBrains Mono',monospace; font-size:.65rem; color:var(--text-dim);
  letter-spacing:.15em; z-index:1;
}
.scroll-cue .chev{animation:bob 1.8s ease-in-out infinite;}
@keyframes bob{0%,100%{transform:translateY(0);} 50%{transform:translateY(6px);}}

/* ---------- SECTIONS ---------- */
section{max-width:var(--maxw); margin:0 auto; padding:100px 24px;}
section > .eyebrow{display:block; margin-bottom:10px;}
section h2{font-size:clamp(1.5rem,3vw,2rem); margin-bottom:34px;}

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

/* about */
#about .about-grid{display:grid; grid-template-columns:1.3fr .9fr; gap:48px; align-items:start;}
@media (max-width:720px){#about .about-grid{grid-template-columns:1fr;}}
#about p{color:var(--text-dim); max-width:52ch;}
.hobbies{list-style:none; margin-top:20px; display:flex; flex-wrap:wrap; gap:10px;}
.hobbies li{
  font-family:'JetBrains Mono',monospace; font-size:.8rem;
  padding:8px 14px; border:1px solid var(--line); border-radius:20px; color:var(--text-dim);
  transition:border-color .25s ease, color .25s ease, transform .25s ease;
}
.hobbies li:hover{border-color:var(--accent); color:var(--accent); transform:translateY(-2px);}

.status-card{
  background:var(--surface); border:1px solid var(--line); border-radius:var(--radius);
  padding:22px; font-family:'JetBrains Mono',monospace; font-size:.8rem;
}
.status-card .row{display:flex; justify-content:space-between; padding:7px 0; border-bottom:1px dashed var(--line); color:var(--text-dim);}
.status-card .row:last-child{border-bottom:none;}
.status-card .row span:last-child{color:var(--accent);}
.dot-live{display:inline-block; width:7px; height:7px; border-radius:50%; background:#4ade80; margin-right:6px; box-shadow:0 0 8px #4ade80; animation:pulse 1.6s ease-in-out infinite;}
@keyframes pulse{0%,100%{opacity:1;} 50%{opacity:.35;}}

/* edu */
.edu-card{
  background:var(--surface); border:1px solid var(--line); border-radius:var(--radius);
  padding:30px; position:relative; overflow:hidden;
  transition:border-color .3s ease, transform .3s ease;
}
.edu-card:hover{border-color:var(--accent); transform:translateY(-4px);}
.edu-card::before{
  content:""; position:absolute; inset:0;
  background:repeating-linear-gradient(115deg, rgba(56,224,216,.035) 0 2px, transparent 2px 26px);
  pointer-events:none;
}
.edu-card h3{font-size:1.15rem; margin-bottom:6px; position:relative;}
.edu-card .sub{color:var(--text-dim); font-family:'JetBrains Mono',monospace; font-size:.82rem; position:relative;}

/* skills graph */
.graph-wrap{display:flex; justify-content:center;}
.graph-wrap svg{width:100%; max-width:560px; height:auto;}
.g-node circle{fill:var(--surface); stroke:var(--line); stroke-width:1.5; transition:stroke .3s ease, fill .3s ease;}
.g-node.center circle{fill:var(--accent); stroke:none;}
.g-node text{font-family:'JetBrains Mono',monospace; font-size:13px; fill:var(--text-dim); transition:fill .3s ease;}
.g-node.center text{fill:#04141a; font-weight:700; font-size:12px;}
.g-node{cursor:default;}
.g-node:not(.center):hover circle{stroke:var(--accent); fill:var(--surface-2);}
.g-node:not(.center):hover text{fill:var(--accent);}
.g-line{
  stroke:var(--accent); stroke-width:1.4; opacity:.35;
  stroke-dasharray:220; stroke-dashoffset:220;
  transition:stroke-dashoffset 1.1s ease;
}
.in-view .g-line{stroke-dashoffset:0;}

/* project */
.project-card{
  background:var(--surface); border:1px solid var(--line); border-radius:var(--radius);
  overflow:hidden; transition:transform .35s ease, border-color .35s ease, box-shadow .35s ease;
}
.project-card:hover{transform:translateY(-6px); border-color:var(--accent); box-shadow:0 16px 40px rgba(0,0,0,.35);}
.project-bar{display:flex; gap:6px; padding:12px 16px; border-bottom:1px solid var(--line);}
.project-bar span{width:10px; height:10px; border-radius:50%; background:var(--surface-2); border:1px solid var(--line);}
.project-bar span:nth-child(1){background:#f87171;}
.project-bar span:nth-child(2){background:#facc15;}
.project-bar span:nth-child(3){background:#4ade80;}
.project-body{padding:26px;}
.project-body .eyebrow{margin-bottom:8px;}
.project-body h3{font-size:1.3rem; margin-bottom:8px;}
.project-body p{color:var(--text-dim); font-size:.92rem; max-width:50ch;}
.project-tags{display:flex; gap:8px; margin-top:16px; flex-wrap:wrap;}
.project-tags span{
  font-family:'JetBrains Mono',monospace; font-size:.72rem; color:var(--accent-2);
  border:1px solid rgba(167,139,250,.35); padding:4px 10px; border-radius:6px;
}

/* contact */
.contact-list{list-style:none; display:flex; flex-direction:column; gap:2px;}
.contact-list li a{
  display:flex; align-items:center; gap:14px;
  font-family:'JetBrains Mono',monospace; font-size:.95rem;
  padding:16px 18px; border:1px solid transparent; border-bottom:1px solid var(--line);
  color:var(--text-dim); transition:color .25s ease, border-color .25s ease, padding-left .25s ease, background .25s ease;
}
.contact-list li a:hover{color:var(--accent); padding-left:26px; background:rgba(56,224,216,.04); border-color:var(--line);}
.contact-list li a .ic{width:20px; text-align:center;}
.contact-list li a::after{content:"→"; margin-left:auto; opacity:0; transition:opacity .25s ease;}
.contact-list li a:hover::after{opacity:1;}

footer{
  text-align:center; padding:40px 20px 50px;
  font-family:'JetBrains Mono',monospace; font-size:.75rem; color:var(--text-dim);
}

/* toast */
#toast{
  position:fixed; bottom:26px; left:50%; transform:translate(-50%, 20px);
  background:var(--surface); border:1px solid var(--accent); color:var(--text);
  padding:14px 22px; border-radius:10px; font-family:'JetBrains Mono',monospace; font-size:.85rem;
  box-shadow:0 12px 30px rgba(0,0,0,.4);
  opacity:0; pointer-events:none; transition:opacity .3s ease, transform .3s ease;
  z-index:200;
}
#toast.show{opacity:1; transform:translate(-50%, 0);}