:root{
  --bg:#050a14;
  --bg-panel:rgba(11,25,45,.58);
  --bg-panel-solid:#0b192d;
  --border:rgba(111,173,255,.18);
  --border-soft:rgba(111,173,255,.09);
  --text:#f2f2f7;
  --text-dim:#a3b2c8;
  --text-faint:#61738e;

  --violet:#6f8cff;
  --blue:#2ac4ff;
  --pink:#94a9ff;
  --cyan:#9ae8ff;
  --green:#45e0a1;

  --radius:18px;
  --radius-sm:12px;
  --radius-pill:999px;

  --mono:'JetBrains Mono', ui-monospace, monospace;
  --display:'Space Grotesk', var(--sans);
  --sans:'Inter', system-ui, -apple-system, sans-serif;
  --max:1080px;
}

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

html{scroll-behavior:smooth;}

body{
  background-color:var(--bg);
  background-image:radial-gradient(circle at 72% 8%, rgba(42,196,255,.1), transparent 28%),linear-gradient(rgba(111,173,255,.035) 1px, transparent 1px),linear-gradient(90deg, rgba(111,173,255,.035) 1px, transparent 1px);
  background-size:48px 48px;
  background-attachment:fixed;
  color:var(--text);
  font-family:var(--sans);
  line-height:1.65;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

::-webkit-scrollbar{width:10px;}
::-webkit-scrollbar-track{background:var(--bg);}
::-webkit-scrollbar-thumb{
  background:linear-gradient(var(--violet), var(--blue));
  border-radius:var(--radius-pill);
  border:2px solid var(--bg);
}
html{scrollbar-color:var(--violet) var(--bg);}

a{color:inherit;text-decoration:none;}
ul,ol{list-style:none;}

::selection{background:var(--violet);color:#fff;}

a:focus-visible, button:focus-visible{
  outline:2px solid var(--blue);
  outline-offset:3px;
  border-radius:3px;
}

.wrap{max-width:var(--max);margin:0 auto;padding:0 24px;}

/* ---------- NAV ---------- */
header.topnav{
  position:sticky;top:0;z-index:50;
  background:rgba(5,10,20,.78);
  backdrop-filter:blur(14px) saturate(160%);
  border-bottom:1px solid var(--border-soft);
}
header.topnav::after{
  content:'';
  display:block;
  height:2px;
  background:linear-gradient(90deg, transparent, var(--violet), var(--blue), transparent);
  opacity:.5;
}
.topnav .wrap{
  display:flex;align-items:center;justify-content:space-between;
  height:66px;
}
.brand{
  font-family:var(--mono);font-weight:700;font-size:13px;
  letter-spacing:.08em;
  color:var(--text);
  border:1px solid var(--border);
  background:rgba(111,173,255,.07);
  padding:7px 14px;
  border-radius:var(--radius-sm);
  text-transform:uppercase;
}
nav.links{display:flex;gap:8px;font-size:14px;color:var(--text-dim);}
nav.links a{
  transition:color .15s, background .15s;
  padding:8px 14px;
  border-radius:var(--radius-pill);
}
nav.links a:hover{color:var(--text);background:rgba(111,173,255,.1);}

.navtoggle{
  display:none;
  flex-direction:column;justify-content:center;gap:5px;
  width:36px;height:36px;
  background:none;border:none;cursor:pointer;
}
.navtoggle span{display:block;width:20px;height:2px;background:var(--text);transition:transform .2s, opacity .2s;}
.navtoggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.navtoggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.navtoggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- HERO ---------- */
.hero{
  position:relative;
  padding:118px 0 104px;
  border-bottom:1px solid var(--border-soft);
  overflow:hidden;
  isolation:isolate;
}
.hero::before,
.hero::after{
  content:'';
  position:absolute;
  z-index:-1;
  pointer-events:none;
}
.hero::before{
  inset:0 0 auto auto;
  width:46%;height:100%;
  background:linear-gradient(135deg, transparent 35%, rgba(111,140,255,.12) 35.2%, transparent 35.5%),linear-gradient(135deg, transparent 54%, rgba(42,196,255,.1) 54.2%, transparent 54.5%);
  opacity:.8;
}
.hero .wrap{
  display:grid;
  grid-template-columns:minmax(0, 1.1fr) minmax(280px, .7fr);
  gap:72px;
  align-items:end;
}
.hero-copy{max-width:680px;}

.eyebrow{
  font-family:var(--mono);font-size:12px;letter-spacing:.1em;
  color:var(--text-dim);text-transform:uppercase;margin-bottom:24px;
  display:inline-flex;align-items:center;gap:8px;
  border:1px solid var(--border);
  background:rgba(255,255,255,.03);
  padding:6px 14px;
  border-radius:var(--radius-pill);
}
.eyebrow span{color:var(--violet);}
.eyebrow::before{
  content:'';width:7px;height:7px;border-radius:50%;
  background:var(--green);
  box-shadow:0 0 8px var(--green);
}

.hero h1{
  font-family:var(--display);
  font-size:clamp(48px,7vw,76px);
  font-weight:700;
  letter-spacing:-.045em;
  line-height:1.03;
  background:linear-gradient(100deg, var(--text) 0%, var(--text) 42%, var(--violet) 68%, var(--blue) 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  background-size:160% 100%;
  animation:gradient-shift 8s ease-in-out infinite alternate;
}
.hero h1 em{font-style:normal;color:var(--violet);}
@keyframes gradient-shift{
  from{ background-position:0% 50%; }
  to{ background-position:100% 50%; }
}

.hero .role{
  margin:22px 0 0;
  font-size:18px;
  line-height:1.7;
  color:var(--text-dim);
  max-width:590px;
}
.hero-actions{
  margin-top:38px;
  display:flex;
  align-items:center;
  justify-content:flex-start;
  gap:24px;
  flex-wrap:wrap;
}
.hero-actions .btn span{font-size:18px;line-height:0;}

.hero-signal{
  position:relative;
  padding:22px;
  border:1px solid rgba(111,173,255,.3);
  border-radius:var(--radius);
  background:rgba(8,19,36,.86);
  box-shadow:18px 18px 0 rgba(42,196,255,.06),0 24px 60px -34px rgba(42,196,255,.5);
  transform:rotate(2deg);
}
.signal-top,.signal-footer{display:flex;align-items:center;gap:8px;font:11px var(--mono);letter-spacing:.08em;color:var(--text-faint);}
.signal-time{margin-left:auto;color:var(--violet);}
.signal-dot{width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 10px var(--green);}
.signal-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:38px 0 30px;}
.signal-grid div{display:flex;flex-direction:column;gap:6px;}
.signal-grid strong{font:600 32px/1 var(--display);color:var(--text);}
.signal-grid span{font-size:11px;color:var(--text-faint);line-height:1.35;}
.signal-footer{justify-content:space-between;padding-top:14px;border-top:1px solid var(--border-soft);letter-spacing:0;}
.signal-bars{color:var(--violet);font-size:16px;letter-spacing:2px;}

.tech-ticker{
  position:relative;
  width:100%;
  margin-top:76px;
  overflow:hidden;
  border-top:1px solid var(--border-soft);
  border-bottom:1px solid var(--border-soft);
  background:rgba(6,16,31,.48);
}
.tech-ticker::before,.tech-ticker::after{content:'';position:absolute;z-index:2;top:0;bottom:0;width:12%;pointer-events:none;}
.tech-ticker::before{left:0;background:linear-gradient(90deg,var(--bg),transparent);}
.tech-ticker::after{right:0;background:linear-gradient(270deg,var(--bg),transparent);}
.tech-ticker-track{display:flex;width:max-content;animation:ticker-scroll 32s linear infinite;}
.tech-ticker-set{display:flex;align-items:center;gap:44px;padding:18px 22px;}
.tech-chip{display:inline-flex;align-items:center;gap:10px;color:var(--text-dim);font:12px var(--mono);white-space:nowrap;letter-spacing:.04em;}
.tech-chip img{width:22px;height:22px;display:block;opacity:.86;}
.tech-chip-symbol{width:22px;height:22px;display:grid;place-items:center;border:1px solid rgba(42,196,255,.5);border-radius:5px;color:var(--blue);font:700 8px var(--mono);}
@keyframes ticker-scroll{to{transform:translateX(-50%);}}

.btn{
  font-family:var(--sans);font-size:14.5px;font-weight:600;
  padding:15px 28px;border-radius:var(--radius-pill);
  display:inline-flex;align-items:center;gap:8px;
  transition:transform .18s ease, opacity .15s, border-color .15s, background .15s, box-shadow .18s ease;
  border:1px solid transparent;
}
.btn:hover{transform:translateY(-2px);}
.btn-primary{
  background:linear-gradient(100deg, var(--violet), var(--blue));
  color:#06101d;
  box-shadow:0 10px 30px -12px rgba(42,196,255,.55);
}
.btn-primary:hover{box-shadow:0 16px 38px -10px rgba(111,140,255,.65);}
.btn-ghost{
  position:relative;
  padding:15px 4px;
  color:var(--text-dim);
  border:none;
}
.btn-ghost::after{
  content:'';
  position:absolute;
  left:4px;right:4px;bottom:10px;
  height:1px;
  background:var(--text-dim);
  transform:scaleX(0);
  transform-origin:right;
  transition:transform .25s ease, background .15s;
}
.btn-ghost:hover{color:var(--text);transform:none;}
.btn-ghost:hover::after{transform:scaleX(1);transform-origin:left;background:var(--text);}

/* ---------- SECTION shared ---------- */
section{padding:104px 0;border-bottom:1px solid var(--border-soft);}
section:last-of-type{border-bottom:none;}
.about-grid,.skills-grid,.projects-grid,.contact-card,.timeline{position:relative;}
.sec-head{margin-bottom:44px;max-width:600px;}
.sec-tag{
  font-family:var(--mono);font-size:12px;
  background:linear-gradient(100deg, var(--violet), var(--blue));
  -webkit-background-clip:text;background-clip:text;color:transparent;
  text-transform:uppercase;letter-spacing:.08em;margin-bottom:10px;
  display:inline-block;
}
.sec-head h2{
  font-family:var(--display);font-size:clamp(28px,3.2vw,34px);font-weight:700;color:var(--text);
}
.sec-desc{color:var(--text-dim);margin-top:10px;}

.reveal{opacity:0;transform:translateY(16px);transition:opacity .55s ease, transform .55s ease;}
.reveal.in{opacity:1;transform:translateY(0);}

/* ---------- ABOUT ---------- */
.about-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:48px;align-items:start;}
.about-text p{color:var(--text-dim);}
.about-text p + p{margin-top:14px;}

.facts{
  background:var(--bg-panel);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:8px 24px;
  backdrop-filter:blur(20px);
}
.fact{
  display:flex;justify-content:space-between;gap:16px;
  padding:16px 0;border-bottom:1px solid var(--border-soft);
  font-size:14px;
}
.fact:last-child{border-bottom:none;}
.fact dt{color:var(--text-faint);}
.fact dd{color:var(--text);text-align:right;font-weight:600;}

/* ---------- SKILLS ---------- */
.skills-grid{display:grid;grid-template-columns:repeat(auto-fit, minmax(250px,1fr));gap:14px;}
.skill-card{
  background:var(--bg-panel);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:26px;
  backdrop-filter:blur(20px);
  transition:border-color .25s ease, transform .25s ease, background .25s ease, box-shadow .25s ease;
}
.skill-card:hover{
  border-color:rgba(42,196,255,.48);
  background:rgba(19,43,76,.72);
  transform:translateY(-4px);
  box-shadow:0 20px 40px -28px rgba(42,196,255,.45);
}
.skill-card .sh{display:flex;align-items:center;gap:12px;margin-bottom:10px;}
.skill-card .ic{
  width:34px;height:34px;flex:none;
  display:flex;align-items:center;justify-content:center;
  border-radius:var(--radius-sm);
  background:linear-gradient(140deg, rgba(111,140,255,.25), rgba(42,196,255,.18));
  color:var(--cyan);
}
.skill-card .ic svg{width:18px;height:18px;}
.skill-card h3{font-family:var(--display);font-size:15px;color:var(--text);font-weight:600;}
.skill-card p{font-size:13.5px;color:var(--text-dim);}

/* ---------- HOMELAB ---------- */
.lab-flow{
  display:flex;align-items:center;gap:14px;margin:-6px 0 28px;
  padding:20px 22px;border:1px solid var(--border);border-radius:var(--radius);
  background:linear-gradient(110deg,rgba(18,43,77,.7),rgba(7,18,34,.72));
  overflow:auto;
}
.lab-node{min-width:150px;display:grid;grid-template-columns:34px 1fr;column-gap:10px;align-items:center;}
.lab-node-icon{grid-row:span 2;width:34px;height:34px;display:grid;place-items:center;border:1px solid var(--border);border-radius:10px;color:var(--blue);font:11px var(--mono);}
.lab-node strong{font:600 14px var(--display);white-space:nowrap;}
.lab-node small{color:var(--text-faint);font-size:11px;white-space:nowrap;}
.lab-node-active .lab-node-icon{border-color:rgba(42,196,255,.5);background:rgba(42,196,255,.1);color:var(--cyan);}
.lab-arrow{color:var(--blue);font-size:20px;opacity:.7;}
.lab-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;}
.lab-card{padding:24px;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-panel);backdrop-filter:blur(20px);transition:transform .25s ease,border-color .25s ease,background .25s ease;}
.lab-card:hover{transform:translateY(-4px);background:rgba(19,43,76,.72);border-color:rgba(42,196,255,.45);}
.lab-card-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;}
.lab-kicker{color:var(--text-faint);font:11px var(--mono);letter-spacing:.08em;text-transform:uppercase;}
.lab-mark{width:8px;height:8px;border-radius:50%;background:var(--blue);box-shadow:0 0 12px var(--blue);}
.lab-card h3{font:600 19px/1.25 var(--display);max-width:250px;margin-bottom:22px;}
.lab-list{display:grid;gap:0;}
.lab-list li{display:grid;gap:3px;padding:12px 0;border-top:1px solid var(--border-soft);}
.lab-list strong{font-size:13px;color:var(--text);}
.lab-list span{font-size:12px;color:var(--text-dim);line-height:1.4;}
.lab-violet .lab-list{grid-template-columns:repeat(2,minmax(0,1fr));grid-auto-rows:minmax(96px,auto);gap:8px 10px;}
.lab-violet .lab-list li{grid-template-columns:minmax(0,1fr);align-content:center;gap:4px;height:100%;min-height:96px;padding:11px 12px;border:1px solid var(--border-soft);border-radius:10px;background:rgba(7,18,34,.5);}
.lab-violet .lab-list strong{font-size:12px;}
.lab-violet .lab-list span{text-align:left;white-space:normal;font-size:11px;}
.lab-cyan .lab-mark{background:var(--cyan);box-shadow:0 0 12px var(--cyan);}
.lab-violet .lab-mark{background:var(--violet);box-shadow:0 0 12px var(--violet);}

/* ---------- TIMELINE ---------- */
.timeline{position:relative;padding-left:0;max-width:760px;}
.tl-item{
  position:relative;
  display:grid;
  grid-template-columns:130px 1fr;
  gap:24px;
  padding:22px 0;
  border-top:1px solid var(--border-soft);
}
.tl-item:first-child{border-top:none;}
.tl-item.now{
  background:linear-gradient(90deg, rgba(111,140,255,.16), rgba(42,196,255,.05) 60%, transparent);
  margin:0 -20px;
  padding:22px 20px;
  border-radius:var(--radius);
  border-top:none;
}
.tl-date{
  font-family:var(--mono);font-size:12.5px;color:var(--text-faint);
  padding-top:2px;
}
.tl-item.now .tl-date{
  color:var(--cyan);
  display:flex;align-items:center;gap:6px;
}
.tl-item.now .tl-date::before{
  content:'';width:7px;height:7px;border-radius:50%;
  background:var(--green);box-shadow:0 0 8px var(--green);
}
.tl-body h3{font-size:16px;font-weight:600;color:var(--text);margin-bottom:6px;}
.tl-body p{font-size:14px;color:var(--text-dim);max-width:560px;}

@media (max-width:600px){
  .tl-item{grid-template-columns:1fr;gap:6px;}
}

/* ---------- PROJECTS ---------- */
.projects-grid{display:grid;grid-template-columns:repeat(auto-fit, minmax(280px,1fr));gap:14px;}
.repo-card{
  background:var(--bg-panel);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:26px;display:flex;flex-direction:column;gap:12px;
  backdrop-filter:blur(20px);
  transition:border-color .25s ease, transform .25s ease, background .25s ease, box-shadow .25s ease;
}
.repo-card:hover{
  border-color:rgba(111,140,255,.48);
  background:rgba(19,43,76,.72);
  transform:translateY(-4px);
  box-shadow:0 20px 40px -28px rgba(111,140,255,.45);
}
.repo-card .rh{font-family:var(--display);color:var(--text);font-weight:600;font-size:16px;}
.repo-card p{font-size:13.5px;color:var(--text-dim);flex:1;}
.repo-card .rf{display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--text-faint);}
.repo-card .rlink{
  color:var(--text);
  font-weight:600;
  padding:6px 12px;
  border-radius:var(--radius-pill);
  background:rgba(255,255,255,.06);
  transition:background .15s;
}
.repo-card .rlink:hover{background:linear-gradient(100deg, var(--violet), var(--blue));}

/* ---------- CONTACT ---------- */
#contact .wrap{
  display:flex;
  flex-direction:column;
  align-items:center;
  text-align:center;
}
#contact .sec-head{
  display:flex;
  flex-direction:column;
  align-items:center;
}

.contact-card{
  background:var(--bg-panel);
  border:1px solid var(--border);
  border-radius:var(--radius);
  width:100%;
  max-width:560px;padding:6px 26px;
  backdrop-filter:blur(20px);
  transition:border-color .25s ease, box-shadow .25s ease;
}
.contact-card:hover{
  border-color:rgba(42,196,255,.4);
  box-shadow:0 24px 48px -30px rgba(42,196,255,.45);
}
.contact-row{
  display:flex;justify-content:space-between;align-items:center;
  padding:18px 0;border-bottom:1px solid var(--border-soft);
  font-size:15px;
}
.contact-row:last-child{border-bottom:none;}
.contact-label{color:var(--text-faint);font-size:13px;font-family:var(--mono);}
.contact-row a{
  color:var(--text);
  font-weight:600;
  background:linear-gradient(100deg, var(--violet), var(--blue));
  -webkit-background-clip:text;background-clip:text;
  transition:opacity .15s;
}
.contact-row a:hover{opacity:.75;}

/* ---------- FOOTER ---------- */
footer{padding:32px 0 44px;}
footer .wrap{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;}
footer p{font-family:var(--mono);font-size:12px;color:var(--text-faint);}

@media (max-width:760px){
  nav.links{
    display:none;
    position:absolute;top:66px;left:0;right:0;
    flex-direction:column;gap:0;
    background:rgba(5,10,20,.97);
    backdrop-filter:blur(14px);
    border-bottom:1px solid var(--border);
    padding:10px 24px 20px;
  }
  nav.links.open{display:flex;}
  nav.links a{padding:12px 6px;border-radius:0;border-bottom:1px solid var(--border-soft);}
  nav.links a:last-child{border-bottom:none;}
  .navtoggle{display:flex;}
  .about-grid{grid-template-columns:1fr;gap:32px;}
  .hero{padding:80px 0 64px;}
  .hero .wrap{grid-template-columns:1fr;gap:44px;align-items:start;}
  .hero-signal{max-width:440px;width:100%;transform:rotate(1deg);}
  .tech-ticker{margin-top:56px;}
  .tech-ticker-set{gap:28px;padding:15px 18px;}
  .tech-chip{font-size:11px;}
  .lab-grid{grid-template-columns:1fr;}
  .lab-flow{margin-top:0;}
  .lab-violet .lab-list{grid-template-columns:1fr;}
  .lab-violet .lab-list li{grid-template-columns:1fr;gap:3px;}
  .lab-violet .lab-list span{text-align:left;white-space:normal;}
  .hero::before{width:460px;height:460px;}
  .hero::after{display:none;}
  section{padding:64px 0;}
}

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