:root{
  --blueprint:#0B2545;
  --blueprint-2:#0F3059;
  --blueprint-3:#123765;
  --grid-line:rgba(228,238,248,0.07);
  --paper:#F5F1E7;
  --paper-2:#EDE7D8;
  --ink:#0B2545;
  --ink-soft:#3B4A5E;
  --text:#E9EEF5;
  --text-dim:#AEC0D6;
  --copper:#E8A33D;
  --copper-dark:#C9822A;
  --wire:#7FCBD6;
  --wire-dim:rgba(127,203,214,0.35);
  --radius:2px;
  --maxw:1180px;
  --serif-track:0.01em;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
html, body{max-width:100%; overflow-x:hidden;}
@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{
  margin:0;
  background:var(--blueprint);
  color:var(--text);
  font-family:'Inter',system-ui,sans-serif;
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}

body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size:38px 38px;
  opacity:0.6;
}

h1,h2,h3,h4{
  font-family:'Space Grotesk',sans-serif;
  font-weight:600;
  margin:0;
  letter-spacing:var(--serif-track);
  color:var(--text);
}

a{color:inherit; text-decoration:none;}
img{max-width:100%; display:block;}

.wrap{max-width:var(--maxw); margin:0 auto; padding:0 32px; position:relative; z-index:1;}

/* ---------- NAV ---------- */
header.site-nav{
  position:sticky; top:0; z-index:50;
  background:var(--blueprint-2);
  border-bottom:1px solid var(--grid-line);
}
.nav-inner{
  max-width:var(--maxw); margin:0 auto; padding:0 32px;
  display:flex; align-items:center; justify-content:space-between;
  height:68px;
}
.nav-mark{
  font-family:'Space Grotesk',sans-serif;
  font-weight:700; font-size:1.05rem; color:var(--text);
  display:flex; align-items:center; gap:10px;
}
.nav-mark .dot{width:8px;height:8px;border-radius:50%;background:var(--copper);display:inline-block;}
.nav-links{display:flex; align-items:center; gap:28px;}
.nav-links a{
  font-size:0.92rem; color:var(--text-dim); position:relative; padding:4px 0;
  transition:color .2s ease;
}
.nav-links a:hover, .nav-links a.active{color:var(--text);}
.nav-links a.active::after{
  content:""; position:absolute; left:0; right:0; bottom:-4px; height:2px; background:var(--copper);
}
.nav-social{display:flex; gap:14px; margin-left:8px;}
.nav-social a{
  width:34px;height:34px;border:1px solid var(--grid-line); border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  color:var(--text-dim); transition:all .2s ease;
}
.nav-social a:hover{border-color:var(--wire); color:var(--wire);}
.nav-social svg{width:16px;height:16px;}

.nav-toggle{
  display:none; background:none; border:1px solid var(--grid-line); border-radius:4px;
  width:40px;height:40px; color:var(--text); cursor:pointer; align-items:center; justify-content:center;
  flex-shrink:0;
}
.nav-toggle svg{width:20px;height:20px;}

.nav-backdrop{
  display:none;
}

@media (max-width:860px){
  .nav-inner{padding:0 20px;}

  .nav-backdrop{
    display:block; position:fixed; inset:0; z-index:60;
    background:rgba(6,16,30,0.55);
    opacity:0; pointer-events:none;
    transition:opacity .25s ease;
  }
  .nav-backdrop.open{opacity:1; pointer-events:auto;}

  .nav-links{
    position:fixed; top:0; right:0; bottom:0; left:auto; z-index:61;
    width:min(320px, 84vw);
    max-width:84vw;
    background:var(--blueprint-2);
    box-shadow:-8px 0 24px rgba(0,0,0,0.3);
    flex-direction:column; align-items:flex-start;
    padding:96px 28px 28px;
    gap:22px;
    transform:translateX(100%);
    transition:transform .3s ease;
    overflow-y:auto;
    -webkit-overflow-scrolling:touch;
  }
  .nav-links.open{transform:translateX(0);}
  .nav-links a{font-size:1.1rem;}
  .nav-social{margin-left:0; margin-top:12px;}
  .nav-toggle{display:flex;}
}

body.menu-open{overflow:hidden;}

@media (max-width:400px){
  .wrap{padding:0 18px;}
  .nav-inner{padding:0 16px;}
  .about-facts dt{white-space:normal;}
}

/* ---------- HERO ---------- */
.hero{
  padding:96px 0 88px;
  position:relative;
  overflow:hidden;
}
.hero-single{
  max-width:760px;
}
@media (max-width:940px){
  .hero{padding:56px 0 64px;}
}
.hero-kicker{
  font-family:'JetBrains Mono',monospace;
  font-size:0.85rem; color:var(--wire);
  display:inline-flex; align-items:center; gap:10px;
  margin-bottom:22px;
}

.hero h1{
  font-size:clamp(2.1rem, 4.4vw, 3.4rem);
  line-height:1.12;
  margin-bottom:22px;
  max-width:18ch;
}
.hero p.lede{
  font-size:1.08rem; color:var(--text-dim); max-width:58ch; margin-bottom:34px;
}
.hero-actions{display:flex; gap:16px; flex-wrap:wrap;}

.btn{
  display:inline-flex; align-items:center; gap:8px;
  padding:13px 26px; font-size:0.95rem; font-weight:600; font-family:'Inter',sans-serif;
  border-radius:3px; border:1px solid transparent; cursor:pointer; transition:all .2s ease;
}
.btn-primary{background:var(--copper); color:#1a1305;}
.btn-primary:hover{background:var(--copper-dark);}
.btn-outline{border-color:var(--wire-dim); color:var(--text);}
.btn-outline:hover{border-color:var(--wire); background:rgba(127,203,214,0.08);}

/* ---------- SECTION SHELL ---------- */
section{padding:96px 0; position:relative;}
@media (max-width:720px){section{padding:64px 0;}}
.section-head{margin-bottom:52px; max-width:640px;}
.section-tag{
  font-family:'JetBrains Mono',monospace; font-size:0.82rem; color:var(--wire); margin-bottom:14px; display:block;
}
.section-head h2{font-size:clamp(1.7rem,3vw,2.3rem); margin-bottom:14px;}
.section-head p{color:var(--text-dim); font-size:1rem; max-width:56ch;}

.band-paper{background:var(--paper); color:var(--ink);}
.band-paper .section-tag{color:var(--copper-dark);}
.band-paper h2, .band-paper h3, .band-paper h4{color:var(--ink);}
.band-paper p{color:var(--ink-soft);}
.band-paper::before{display:none;}

/* ---------- ABOUT ---------- */
.about-inner{display:grid; grid-template-columns:0.9fr 1.1fr; gap:64px; align-items:start;}
@media (max-width:860px){.about-inner{grid-template-columns:1fr; gap:36px;}}
.about-copy p{color:var(--text-dim); margin:0 0 18px; font-size:1.02rem;}
.about-copy p:last-child{margin-bottom:0;}
.about-facts{
  border:1px solid var(--grid-line); border-radius:3px; padding:28px;
  background:rgba(255,255,255,0.02);
}
.about-facts dl{margin:0; display:grid; grid-template-columns:auto 1fr; gap:14px 18px;}
.about-facts dt{font-family:'JetBrains Mono',monospace; font-size:0.8rem; color:var(--wire); white-space:nowrap;}
.about-facts dd{margin:0; color:var(--text); font-size:0.94rem;}

/* ---------- EXPERIENCE ---------- */
.timeline{position:relative; margin-top:8px;}
.timeline::before{
  content:""; position:absolute; left:9px; top:6px; bottom:6px; width:2px;
  background:linear-gradient(var(--wire-dim), var(--grid-line));
}
.timeline-item{position:relative; padding:0 0 48px 44px;}
.timeline-item:last-child{padding-bottom:0;}
.timeline-item::before{
  content:""; position:absolute; left:2px; top:4px; width:16px; height:16px; border-radius:50%;
  background:var(--blueprint); border:2px solid var(--wire);
}
.timeline-item.current::before{border-color:var(--copper); box-shadow:0 0 0 4px rgba(232,163,61,0.15);}
.ti-head{display:flex; flex-wrap:wrap; align-items:baseline; gap:10px 16px; margin-bottom:6px;}
.ti-head h3{font-size:1.2rem;}
.ti-date{font-family:'JetBrains Mono',monospace; font-size:0.82rem; color:var(--wire);}
.ti-company{color:var(--text-dim); font-size:0.95rem; margin-bottom:14px; font-style:normal;}
.ti-list{margin:0; padding:0; list-style:none; display:grid; gap:9px;}
.ti-list li{
  position:relative; padding-left:20px; color:var(--text-dim); font-size:0.95rem;
}
.ti-list li::before{content:"—"; position:absolute; left:0; color:var(--wire);}

/* ---------- PROJECTS ---------- */
.project-featured{
  background:var(--paper); color:var(--ink);
  border-radius:4px; padding:44px; margin-bottom:28px;
  display:grid; grid-template-columns:1fr 1fr; gap:40px; align-items:center;
  box-shadow:8px 8px 0 rgba(0,0,0,0.18);
}
@media (max-width:900px){.project-featured{grid-template-columns:1fr; padding:30px;}}
.pf-eyebrow{font-family:'JetBrains Mono',monospace; font-size:0.78rem; color:var(--copper-dark); margin-bottom:10px; display:block;}
.project-featured h3{font-size:1.55rem; margin-bottom:14px;}
.project-featured p{color:var(--ink-soft); margin-bottom:20px;}
.project-featured ul{margin:0 0 22px; padding-left:18px; color:var(--ink-soft); font-size:0.94rem; display:grid; gap:6px;}
.tag-row{display:flex; flex-wrap:wrap; gap:8px; margin-bottom:22px;}
.tag{
  font-family:'JetBrains Mono',monospace; font-size:0.75rem; padding:4px 10px;
  border:1px solid rgba(11,37,69,0.25); border-radius:20px; color:var(--ink);
}
.project-featured .tag{border-color:rgba(11,37,69,0.2);}
.pf-links{display:flex; gap:14px; flex-wrap:wrap;}
.link-btn{
  display:inline-flex; align-items:center; gap:8px; font-weight:600; font-size:0.9rem;
  padding:10px 18px; border:1px solid var(--ink); border-radius:3px; color:var(--ink);
  transition:all .2s ease;
}
.link-btn:hover{background:var(--ink); color:var(--paper);}
.link-btn svg{width:15px;height:15px;}

.pf-diagram svg{width:100%; height:auto;}
.pf-diagram .node rect{fill:#fff; stroke:var(--ink); stroke-width:1.3;}
.pf-diagram .node.main rect{fill:var(--ink); }
.pf-diagram .node.main text{fill:var(--paper);}
.pf-diagram .node text{fill:var(--ink); font-family:'JetBrains Mono',monospace; font-size:10.5px;}
.pf-diagram line{stroke:var(--ink); stroke-width:1.2; stroke-dasharray:4 3;}

.services-row{
  display:grid; grid-template-columns:repeat(3,1fr); gap:20px; margin-bottom:28px;
}
@media (max-width:760px){.services-row{grid-template-columns:1fr;}}
.service-card{
  background:var(--paper); color:var(--ink); border-radius:4px; padding:26px;
  box-shadow:6px 6px 0 rgba(0,0,0,0.14);
}
.service-card h4{font-size:1.05rem; margin-bottom:8px;}
.service-card p{font-size:0.9rem; color:var(--ink-soft); margin:0 0 14px;}
.service-card .tag-row{margin-bottom:16px;}
.service-card .tag{font-size:0.7rem; padding:3px 9px;}
.service-card .link-btn{padding:8px 14px; font-size:0.82rem;}

.project-grid{
  display:grid; grid-template-columns:repeat(2,1fr); gap:24px;
}
@media (max-width:760px){.project-grid{grid-template-columns:1fr;}}
.project-card{
  background:var(--paper); color:var(--ink); border-radius:4px; padding:30px;
  box-shadow:6px 6px 0 rgba(0,0,0,0.14);
  display:flex; flex-direction:column;
}
.project-card .logo-frame{
  height:64px; display:flex; align-items:center; margin-bottom:20px;
}
.project-card .logo-frame img{max-height:100%; width:auto;}
.project-card h4{font-size:1.1rem; margin-bottom:10px;}
.project-card p{font-size:0.92rem; color:var(--ink-soft); margin:0 0 16px; flex-grow:1;}

/* ---------- SKILLS (stack diagram) ---------- */
.stack{display:flex; flex-direction:column; gap:2px; margin-top:8px;}
.stack-layer{
  display:grid; grid-template-columns:220px 1fr; gap:24px; align-items:center;
  border:1px solid var(--grid-line); background:rgba(255,255,255,0.02);
  padding:20px 26px;
}
.stack-layer:first-child{border-top-left-radius:4px; border-top-right-radius:4px;}
.stack-layer:last-child{border-bottom-left-radius:4px; border-bottom-right-radius:4px;}
@media (max-width:760px){
  .stack-layer{grid-template-columns:1fr; gap:12px;}
}
.stack-layer-name{
  font-family:'Space Grotesk',sans-serif; font-weight:600; color:var(--text); font-size:1.02rem;
  display:flex; align-items:center; gap:10px;
}
.stack-layer-name .chip{width:9px;height:9px; background:var(--wire); flex-shrink:0;}
.stack-tags{display:flex; flex-wrap:wrap; gap:8px;}
.stack-tags .tag{
  border-color:var(--grid-line); color:var(--text-dim);
}

/* ---------- EDUCATION ---------- */
.edu-card{
  border:1px solid var(--grid-line); border-radius:4px; padding:32px;
  display:flex; justify-content:space-between; gap:24px; flex-wrap:wrap;
  background:rgba(255,255,255,0.02);
}
.edu-card h3{font-size:1.2rem; margin-bottom:6px;}
.edu-card .edu-school{color:var(--text-dim); font-size:0.95rem;}
.edu-card .edu-date{font-family:'JetBrains Mono',monospace; color:var(--wire); font-size:0.85rem; white-space:nowrap;}

/* ---------- CONTACT / FOOTER ---------- */
.contact-inner{
  display:grid; grid-template-columns:1.1fr 0.9fr; gap:56px; align-items:center;
}
@media (max-width:860px){.contact-inner{grid-template-columns:1fr; gap:36px;}}
.contact-list{display:grid; gap:16px;}
.contact-list a, .contact-list .row{
  display:flex; align-items:center; gap:14px; font-size:1rem; color:var(--text);
  padding:16px 20px; border:1px solid var(--grid-line); border-radius:3px;
  transition:border-color .2s ease, background .2s ease;
}
.contact-list a:hover{border-color:var(--wire); background:rgba(127,203,214,0.06);}
.contact-list svg{width:18px;height:18px; color:var(--wire); flex-shrink:0;}

footer{
  border-top:1px solid var(--grid-line); padding:32px 0; position:relative; z-index:1;
}
.footer-inner{
  display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:14px;
  font-size:0.85rem; color:var(--text-dim);
}
.footer-inner a{color:var(--text-dim);}
.footer-inner a:hover{color:var(--wire);}

.visually-hidden{
  position:absolute; width:1px; height:1px; overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap;
}

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