/* ============ Tokens ============ */
:root{
  --bg:#0a0d14; --bg2:#0f1420; --surface:#151b2c; --surface2:#1b2236;
  --border:#263150; --border2:#3a4870;
  --green:#00e07a; --green-soft:rgba(0,224,122,.1);
  --blue:#5aa7ff; --orange:#ff9a52; --purple:#b892ff;
  --text:#e8eaf0; --text2:#9aa3b8; --text3:#5f6a85;
  --radius:14px;
  --mono:'JetBrains Mono',ui-monospace,monospace;
  --display:'Syne',system-ui,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:72px}
body{background:var(--bg);color:var(--text);font-family:var(--mono);font-size:14px;line-height:1.7;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
:focus-visible{outline:2px solid var(--green);outline-offset:3px;border-radius:4px}

#bg-canvas{position:fixed;inset:0;width:100%;height:100%;z-index:0;pointer-events:none}
.wrap{position:relative;z-index:2;max-width:1100px;margin:0 auto;padding:0 20px}
main,footer{position:relative;z-index:2}

/* ============ Nav ============ */
nav{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(10,13,20,.9);backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}
.nav-inner{max-width:1100px;margin:0 auto;padding:0 20px;display:flex;align-items:center;justify-content:space-between;height:60px}
.logo{font-family:var(--display);font-size:18px;font-weight:800;color:var(--green);text-decoration:none}
.logo span{color:var(--text2)}
.nav-links{display:flex;gap:4px;align-items:center}
.nav-links a{color:var(--text2);text-decoration:none;font-size:12px;padding:6px 12px;border-radius:6px;border:1px solid transparent;transition:.2s}
.nav-links a:hover,.nav-links a.active{color:var(--green);border-color:var(--border)}
.nav-links a.nav-resume{color:var(--green);border-color:rgba(0,224,122,.4);background:var(--green-soft)}

/* ============ Buttons / pills ============ */
.btn{display:inline-flex;align-items:center;gap:8px;padding:11px 20px;border-radius:8px;font-family:var(--mono);font-size:13px;font-weight:500;text-decoration:none;border:1px solid var(--border);color:var(--text);background:transparent;transition:.2s;cursor:pointer}
.btn:hover{border-color:var(--blue);color:var(--blue)}
.btn.primary{background:var(--green);border-color:var(--green);color:#03140b;font-weight:700}
.btn.primary:hover{background:#00c46b;color:#03140b}
.btn.sm{padding:8px 14px;font-size:12px}
.pills{display:flex;flex-wrap:wrap;gap:6px}
.pill{font-size:11px;padding:3px 9px;border-radius:5px;background:rgba(90,167,255,.1);border:1px solid rgba(90,167,255,.22);color:var(--blue)}
.pill.g{background:var(--green-soft);border-color:rgba(0,224,122,.25);color:var(--green)}
.pill.o{background:rgba(255,154,82,.1);border-color:rgba(255,154,82,.25);color:var(--orange)}
.pill.p{background:rgba(184,146,255,.1);border-color:rgba(184,146,255,.25);color:var(--purple)}

/* ============ Hero ============ */
.hero{min-height:100vh;display:flex;align-items:center;padding:100px 0 60px}
.hero-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,400px);gap:56px;align-items:center}
.badge{display:inline-flex;align-items:center;gap:8px;background:var(--green-soft);border:1px solid rgba(0,224,122,.25);border-radius:20px;padding:4px 14px;font-size:11px;color:var(--green);margin-bottom:20px}
.badge::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--green);animation:pulse 2s infinite}
@keyframes pulse{50%{opacity:.3}}
.hero h1{font-family:var(--display);font-size:clamp(40px,6vw,66px);font-weight:800;line-height:1.02;letter-spacing:-2px;color:#fff}
.hero h1 .hi{display:block;font-family:var(--mono);font-size:15px;font-weight:400;letter-spacing:0;color:var(--text2);margin-bottom:10px}
.hero h1 .accent{color:var(--green)}
.hero .role{font-size:15px;color:var(--blue);margin:14px 0 6px;font-weight:500}
.hero .lead{color:var(--text2);max-width:520px;margin-bottom:28px}
.cta{display:flex;gap:10px;flex-wrap:wrap}
.socials{display:flex;gap:18px;margin-top:22px;font-size:12px}
.socials a{color:var(--text2);text-decoration:none}
.socials a:hover{color:var(--green)}

.ide{background:var(--surface);border:1px solid var(--border);border-radius:12px;overflow:hidden;font-size:12px}
.ide-bar{background:var(--bg2);border-bottom:1px solid var(--border);padding:10px 14px;display:flex;align-items:center;gap:7px}
.dot{width:10px;height:10px;border-radius:50%}.dot.r{background:#ff5f57}.dot.y{background:#febc2e}.dot.g{background:#28c840}
.ide-file{color:var(--text2);font-size:11px;margin-left:6px}
.ide pre{padding:16px;line-height:1.9;font-family:var(--mono);white-space:pre;overflow-x:auto}
.k{color:#c792ea}.s{color:#c3e88d}.n{color:var(--blue)}.v{color:var(--orange)}.c{color:var(--text3);font-style:italic}.ln{color:var(--text3);user-select:none;display:inline-block;width:22px}

/* ============ Sections ============ */
section{padding:90px 0}
.label{font-size:11px;color:var(--green);letter-spacing:2px;text-transform:uppercase;margin-bottom:8px}
h2{font-family:var(--display);font-size:clamp(28px,4vw,42px);font-weight:800;color:#fff;letter-spacing:-1px;margin-bottom:12px}
.sub{color:var(--text2);max-width:600px}
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);transition:border-color .25s,transform .25s}
.card:hover{border-color:var(--border2)}

/* ============ Featured project ============ */
.featured{margin-top:44px;overflow:hidden}
.featured-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr)}
.featured-info,.featured-shot{min-width:0}
.featured-info{padding:34px}
.tag-feat{font-size:10px;text-transform:uppercase;letter-spacing:2px;color:var(--purple);margin-bottom:10px}
.featured h3{font-family:var(--display);font-size:clamp(22px,2.4vw,28px);line-height:1.2;font-weight:800;color:#fff;margin-bottom:10px}
.featured p{color:var(--text2);margin-bottom:16px}
.demo-creds{background:var(--bg2);border:1px dashed var(--border2);border-radius:8px;padding:10px 14px;font-size:12px;color:var(--text2);margin:18px 0}
.demo-creds b{color:var(--green);font-weight:500}
.featured-shot{background:var(--bg2);border-left:1px solid var(--border);padding:22px;display:flex;flex-direction:column;gap:10px}
.shot-main{border-radius:10px;border:1px solid var(--border);overflow:hidden;aspect-ratio:1400/1140;background:#111}
.shot-main img{width:100%;height:100%;object-fit:cover;object-position:top}
.thumbs{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px}
.thumbs button{border:1px solid var(--border);border-radius:6px;overflow:hidden;cursor:pointer;background:none;padding:0;opacity:.6;transition:.2s;aspect-ratio:1400/1140}
.thumbs button img{width:100%;height:100%;object-fit:cover;object-position:top left}
.thumbs button:hover,.thumbs button.on{opacity:1;border-color:var(--green)}
.highlights{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--border)}
.hl{padding:20px 22px;border-right:1px solid var(--border)}
.hl:last-child{border-right:none}
.hl b{display:block;font-family:var(--display);color:var(--green);font-size:15px;margin-bottom:4px}
.hl span{font-size:12px;color:var(--text2)}
.actions{display:flex;gap:10px;flex-wrap:wrap}
.note{font-size:11px;color:var(--text3);margin-top:10px}
.cs-list a{color:var(--green)}

.flow{display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin-top:6px}
.flow span{font-size:11px;padding:3px 8px;border-radius:4px;background:rgba(90,167,255,.1);border:1px solid rgba(90,167,255,.18);color:var(--blue);white-space:nowrap}
.flow i{color:var(--text3);font-style:normal}

/* ============ Project grid ============ */
.projects-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px;margin-top:20px}
.project{padding:24px;display:flex;flex-direction:column;gap:12px}
.project:hover{transform:translateY(-3px);border-color:var(--green)}
.project h3{font-family:var(--display);font-size:18px;color:#fff}
.project .meta{font-size:10px;color:var(--green);text-transform:uppercase;letter-spacing:1px}
.project p{color:var(--text2);font-size:13px;flex:1}

/* ============ Experience ============ */
.timeline{margin-top:40px;display:flex;flex-direction:column;gap:18px}
.job{padding:26px 28px;display:grid;grid-template-columns:200px 1fr;gap:24px}
.job .when{font-size:12px;color:var(--text3)}
.job .when b{display:block;color:var(--green);font-weight:500;margin-top:4px}
.job h3{font-size:16px;color:#fff;font-weight:700}
.job .org{color:var(--blue);font-size:13px;margin-bottom:10px}
.job ul{list-style:none;color:var(--text2);font-size:13px}
.job li{padding-left:18px;position:relative;margin-bottom:6px}
.job li::before{content:'▹';position:absolute;left:0;color:var(--green)}

/* ============ Skills ============ */
.skills-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;margin-top:40px}
.skill{padding:22px}
.skill h3{font-size:12px;color:#fff;text-transform:uppercase;letter-spacing:1px;margin-bottom:12px}

/* ============ About ============ */
.about-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:28px;margin-top:40px;align-items:start}
.about-text p{color:var(--text2);margin-bottom:14px}
.about-text p strong{color:var(--text);font-weight:500}
.json{background:var(--bg2);border:1px solid var(--border);border-radius:12px;padding:22px;font-size:12px;line-height:2}
.jk{color:#5fd4ff}.js{color:var(--green)}.jb{color:var(--purple)}.in{padding-left:18px}.in2{padding-left:36px}
.edu{margin-top:18px;padding:18px 20px}
.edu div{font-size:13px;color:#fff}
.edu small{display:block;color:var(--text3);font-size:12px}

/* ============ Contact ============ */
.contact{text-align:center;padding:60px 24px;margin-top:40px}
.contact h2{margin-bottom:10px}
.contact .sub{margin:0 auto 26px}
.contact .cta{justify-content:center}

footer{border-top:1px solid var(--border);padding:28px 0;text-align:center;font-size:11px;color:var(--text3)}
footer span{color:var(--green)}

/* ============ Case study page ============ */
.cs-hero{padding:120px 0 40px}
.back{font-size:12px;color:var(--text2);text-decoration:none;display:inline-block;margin-bottom:24px}
.back:hover{color:var(--green)}
.cs-hero h1{font-family:var(--display);font-size:clamp(34px,5vw,54px);color:#fff;letter-spacing:-1.5px;line-height:1.05;margin-bottom:14px}
.cs-hero .lead{color:var(--text2);max-width:680px;margin-bottom:22px}
.cs-section{padding:44px 0;border-top:1px solid var(--border)}
.cs-section h2{font-size:clamp(22px,3vw,30px)}
.cs-section p{color:var(--text2);max-width:760px;margin-bottom:12px}
.cs-section code{background:var(--surface2);border:1px solid var(--border);border-radius:4px;padding:1px 6px;font-size:12px;color:var(--orange)}
.decisions{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:16px;margin-top:20px}
.decision{padding:22px}
.decision h3{color:#fff;font-size:14px;margin-bottom:8px}
.decision p{font-size:13px;margin:0}
.states{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:18px 0}
.state{padding:6px 12px;border-radius:6px;font-size:12px;font-weight:700;letter-spacing:.5px}
.st-a{background:rgba(90,167,255,.12);color:var(--blue)}
.st-s{background:rgba(255,154,82,.12);color:var(--orange)}
.st-r{background:rgba(184,146,255,.12);color:var(--purple)}
.st-d{background:var(--green-soft);color:var(--green)}
.states i{color:var(--text3);font-style:normal}
.arch{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;margin-top:20px;align-items:stretch}
.arch div{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:14px;font-size:12px;color:var(--text2)}
.arch div b{display:block;color:#fff;margin-bottom:4px;font-size:13px}
.gallery{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:20px}
.gallery figure{margin:0}
.gallery img{border-radius:10px;border:1px solid var(--border)}
.gallery figcaption{font-size:12px;color:var(--text3);margin-top:6px}
.cs-list{list-style:none;color:var(--text2);max-width:760px}
.cs-list li{padding-left:18px;position:relative;margin-bottom:8px}
.cs-list li::before{content:'▹';position:absolute;left:0;color:var(--green)}

/* ============ Reveal ============ */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s ease}
.reveal.in-view{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}

/* ============ Responsive ============ */
@media (max-width:900px){
  .hero-grid,.featured-grid,.about-grid{grid-template-columns:minmax(0,1fr)}
  .featured-shot{border-left:none;border-top:1px solid var(--border)}
  .highlights{grid-template-columns:repeat(2,1fr)}
  .hl:nth-child(2){border-right:none}
  .hl:nth-child(-n+2){border-bottom:1px solid var(--border)}
  .job{grid-template-columns:1fr;gap:8px}
  .arch{grid-template-columns:1fr}
  .gallery{grid-template-columns:1fr}
}
@media (max-width:640px){
  .nav-links a:not(.nav-resume){display:none}
  .hero{padding-top:90px}
  .featured-info{padding:24px}
  .hl{padding:16px}
  section{padding:64px 0}
}