:root{
  --bg:#0A0C10;
  --bg-panel:#0F1319;
  --bg-panel-2:#131820;
  --grid:#1C222B;
  --rule:#242B35;
  --text:#E7E4DC;
  --text-dim:#8891A0;
  --text-faint:#4E5561;
  --bid:#34D8A6;
  --bid-dim:#1E8A6C;
  --ask:#FF8E42;
  --ask-dim:#B0602A;
  --mono:'IBM Plex Mono', ui-monospace, 'SF Mono', Menlo, monospace;
  --sans:'IBM Plex Sans', -apple-system, sans-serif;
}

*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *{animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important;}
}

body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--sans);
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
}

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

:focus-visible{
  outline:2px solid var(--bid);
  outline-offset:3px;
}

::selection{background:var(--bid-dim);color:#0A0C10;}

.wrap{max-width:1120px;margin:0 auto;padding:0 32px;}

/* ---------- Background grid texture ---------- */
.grid-bg{
  position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(ellipse 80% 60% at 50% 0%, black 0%, transparent 70%);
  mask-image:radial-gradient(ellipse 80% 60% at 50% 0%, black 0%, transparent 70%);
  opacity:0.5;
}

/* ---------- Nav ---------- */
header{
  position:sticky;top:0;z-index:50;
  background:rgba(10,12,16,0.85);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--rule);
}
nav.wrap{
  display:flex;align-items:center;justify-content:space-between;
  height:64px;
}
.brand{
  font-family:var(--mono);font-weight:600;font-size:14px;letter-spacing:0.02em;
  display:flex;align-items:center;gap:8px;
}
.brand .dot{
  width:8px;height:8px;border-radius:50%;background:var(--bid);
  box-shadow:0 0 8px var(--bid);
  animation:pulse 2.4s ease-in-out infinite;
}
@keyframes pulse{
  0%,100%{opacity:1;} 50%{opacity:0.35;}
}
.navlinks{display:flex;align-items:center;gap:28px;font-family:var(--mono);font-size:12.5px;}
.navlinks a{
  color:var(--text-dim);letter-spacing:0.02em;
  padding:4px 2px;border-bottom:1px solid transparent;
  transition:color .15s ease, border-color .15s ease;
}
.navlinks a:hover{color:var(--bid);border-color:var(--bid);}
.navlinks .resume-link{
  color:var(--ask);border:1px solid var(--ask-dim);padding:8px 14px;border-radius:3px;
}
.navlinks .resume-link:hover{border-color:var(--ask);}

.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:32px;height:32px;background:none;border:none;cursor:pointer;
}
.nav-toggle span{width:100%;height:1.5px;background:var(--text);display:block;transition:transform .2s ease, opacity .2s ease;}

@media (max-width:760px){
  .nav-toggle{display:flex;}
  .navlinks{
    position:fixed;top:64px;left:0;right:0;
    flex-direction:column;align-items:flex-start;gap:0;
    background:var(--bg-panel);border-bottom:1px solid var(--rule);
    max-height:0;overflow:hidden;transition:max-height .25s ease;
  }
  .navlinks.open{max-height:360px;}
  .navlinks a{width:100%;padding:16px 32px;border-bottom:1px solid var(--rule);}
  .navlinks .resume-link{border:none;border-radius:0;}
}

/* ---------- Hero ---------- */
.hero{position:relative;z-index:1;padding:88px 0 72px;}
.hero-grid{display:grid;grid-template-columns:1.1fr 0.9fr;gap:56px;align-items:start;}
@media (max-width:900px){.hero-grid{grid-template-columns:1fr;}}

.eyebrow{
  font-family:var(--mono);font-size:12px;color:var(--text-faint);
  letter-spacing:0.1em;text-transform:uppercase;
  display:flex;align-items:center;gap:10px;margin-bottom:22px;
}
.eyebrow::before{content:'';width:22px;height:1px;background:var(--text-faint);}

h1{
  font-family:var(--mono);font-weight:700;
  font-size:clamp(32px, 5vw, 54px);
  line-height:1.08;letter-spacing:-0.01em;
  margin-bottom:20px;
}
h1 .accent{color:var(--bid);}

.hero-sub{font-size:17px;color:var(--text-dim);max-width:480px;margin-bottom:32px;}

.hero-cta{display:flex;gap:14px;flex-wrap:wrap;}
.btn{
  font-family:var(--mono);font-size:13px;font-weight:500;
  padding:12px 20px;border-radius:3px;letter-spacing:0.02em;
  display:inline-flex;align-items:center;gap:8px;
  transition:transform .15s ease, background .15s ease, border-color .15s ease;
  border:1px solid transparent;
}
.btn:hover{transform:translateY(-1px);}
.btn-primary{background:var(--bid);color:#06110D;}
.btn-primary:hover{background:#4EE7B6;}
.btn-ghost{border-color:var(--rule);color:var(--text);}
.btn-ghost:hover{border-color:var(--text-dim);}

/* ---------- Order book widget ---------- */
.book{background:var(--bg-panel);border:1px solid var(--rule);border-radius:6px;overflow:hidden;font-family:var(--mono);}
.book-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:12px 16px;border-bottom:1px solid var(--rule);background:var(--bg-panel-2);
}
.book-head .title{font-size:11px;letter-spacing:0.08em;color:var(--text-dim);text-transform:uppercase;}
.book-head .live{font-size:10px;color:var(--bid);display:flex;align-items:center;gap:6px;letter-spacing:0.06em;}
.book-head .live::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--bid);animation:pulse 1.6s ease-in-out infinite;}

.book-cols{
  display:grid;grid-template-columns:1fr 1fr;
  font-size:10.5px;color:var(--text-faint);letter-spacing:0.06em;text-transform:uppercase;
  padding:10px 16px 6px;
}
.book-cols .r{text-align:right;}
.book-sides{display:grid;grid-template-columns:1fr 1fr;}
.book-side{padding:0 16px;}

.row{display:grid;grid-template-columns:auto 1fr auto;gap:10px;align-items:center;padding:3px 0;font-size:12.5px;position:relative;}
.row .bar{grid-column:1/-1;grid-row:1;height:100%;position:absolute;inset:0;opacity:0.10;border-radius:2px;transition:width .5s ease;}
.row.bid .bar{background:var(--bid);right:0;}
.row.ask .bar{background:var(--ask);left:0;}
.row .price{font-weight:500;z-index:1;}
.row.bid .price{color:var(--bid);}
.row.ask .price{color:var(--ask);}
.row .size{color:var(--text-dim);z-index:1;text-align:right;font-variant-numeric:tabular-nums;}

.book-side.asks .row{grid-template-columns:auto 1fr;}
.book-side.asks .row .price{text-align:left;}
.book-side.bids .row{grid-template-columns:1fr auto;}

.spread{
  display:flex;justify-content:space-between;align-items:center;
  padding:10px 16px;margin:6px 0;
  border-top:1px dashed var(--rule);border-bottom:1px dashed var(--rule);
  font-size:11px;color:var(--text-faint);letter-spacing:0.04em;
}
.spread b{color:var(--text-dim);font-weight:500;}

.book-foot{padding:12px 16px;border-top:1px solid var(--rule);font-size:11px;color:var(--text-faint);}
.book-foot a{color:var(--bid);border-bottom:1px solid var(--bid-dim);}

.flash-bid{animation:flashBid .6s ease;}
.flash-ask{animation:flashAsk .6s ease;}
@keyframes flashBid{0%{background:rgba(52,216,166,0.18);}100%{background:transparent;}}
@keyframes flashAsk{0%{background:rgba(255,142,66,0.18);}100%{background:transparent;}}

/* ---------- Section shell ---------- */
section{position:relative;z-index:1;padding:88px 0;border-top:1px solid var(--rule);}
.sec-head{display:flex;align-items:baseline;gap:16px;margin-bottom:36px;flex-wrap:wrap;}
.sec-tag{font-family:var(--mono);font-size:12px;color:var(--bid);letter-spacing:0.08em;}
.sec-title{font-family:var(--mono);font-weight:600;font-size:26px;letter-spacing:-0.01em;}
.sec-intro{color:var(--text-dim);max-width:620px;margin-bottom:40px;font-size:15px;}

/* ---------- About ---------- */
.about-grid{display:grid;grid-template-columns:0.8fr 1.2fr;gap:56px;}
@media (max-width:820px){.about-grid{grid-template-columns:1fr;}}
.about-lead{font-size:19px;color:var(--text);line-height:1.5;}
.about-body p{color:var(--text-dim);margin-bottom:16px;font-size:15.5px;}
.about-body p:last-child{margin-bottom:0;}

/* ---------- Projects ---------- */
.proj-list{display:flex;flex-direction:column;gap:1px;background:var(--rule);border:1px solid var(--rule);border-radius:6px;overflow:hidden;}
.proj{background:var(--bg-panel);padding:28px;display:grid;grid-template-columns:220px 1fr;gap:28px;}
@media (max-width:760px){.proj{grid-template-columns:1fr;}}
.proj-id .n{font-family:var(--mono);font-size:11px;color:var(--text-faint);letter-spacing:0.08em;}
.proj-id .name{font-family:var(--mono);font-size:17px;color:var(--text);font-weight:600;margin-top:6px;line-height:1.3;}
.proj-id .stack{margin-top:12px;display:flex;flex-wrap:wrap;gap:6px;}
.chip{font-family:var(--mono);font-size:10.5px;padding:3px 8px;border:1px solid var(--rule);border-radius:20px;color:var(--text-dim);letter-spacing:0.02em;}
.proj-body p{color:var(--text-dim);font-size:14.5px;margin-bottom:12px;}
.proj-body p:last-of-type{margin-bottom:12px;}
.proj-body b{color:var(--text);font-weight:600;}
.proj-body code{font-family:var(--mono);font-size:0.92em;color:var(--text);background:var(--bg-panel-2);padding:1px 5px;border-radius:3px;}
.proj-body .metric{color:var(--text-dim);}
.proj-links{margin-top:8px;}
.proj-links a{font-family:var(--mono);font-size:12px;color:var(--bid);border-bottom:1px solid var(--bid-dim);}

/* ---------- Skills ---------- */
.skills-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--rule);border:1px solid var(--rule);border-radius:6px;overflow:hidden;}
@media (max-width:900px){.skills-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:520px){.skills-grid{grid-template-columns:1fr;}}
.skill-card{background:var(--bg-panel);padding:24px 22px;}
.skill-card .h{font-family:var(--mono);font-size:11px;letter-spacing:0.08em;color:var(--ask);text-transform:uppercase;margin-bottom:14px;}
.skill-card ul{list-style:none;display:flex;flex-direction:column;gap:9px;}
.skill-card li{font-size:14px;color:var(--text-dim);display:flex;align-items:baseline;gap:8px;}
.skill-card li::before{content:'—';color:var(--text-faint);font-size:12px;}

/* ---------- Experience ---------- */
.xp-list{display:flex;flex-direction:column;}
.xp{display:grid;grid-template-columns:180px 1fr;gap:24px;padding:26px 0;border-bottom:1px solid var(--rule);}
.xp:last-child{border-bottom:none;}
@media (max-width:640px){.xp{grid-template-columns:1fr;gap:8px;}}
.xp-time{font-family:var(--mono);font-size:12px;color:var(--text-faint);}
.xp-role{font-size:16px;font-weight:600;margin-bottom:4px;}
.xp-org{font-family:var(--mono);font-size:12.5px;color:var(--bid);margin-bottom:10px;}
.xp-desc{color:var(--text-dim);font-size:14.5px;}

/* ---------- Contact ---------- */
.contact-wrap{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
@media (max-width:820px){.contact-wrap{grid-template-columns:1fr;}}
.contact-wrap h2{font-family:var(--mono);font-size:clamp(24px,4vw,34px);line-height:1.25;font-weight:600;}
.contact-links{display:flex;flex-direction:column;border:1px solid var(--rule);border-radius:6px;overflow:hidden;}
.contact-row{display:flex;justify-content:space-between;align-items:center;padding:18px 20px;border-bottom:1px solid var(--rule);transition:background .15s ease;}
.contact-row:last-child{border-bottom:none;}
.contact-row:hover{background:var(--bg-panel);}
.contact-row .k{font-family:var(--mono);font-size:11px;color:var(--text-faint);letter-spacing:0.06em;text-transform:uppercase;}
.contact-row .v{font-family:var(--mono);font-size:14px;color:var(--text);}
.contact-row .arrow{color:var(--bid);font-family:var(--mono);}

footer{
  padding:32px 0 48px;text-align:center;
  font-family:var(--mono);font-size:11.5px;color:var(--text-faint);
  position:relative;z-index:1;
}