/* =========================================================
     THEME TOKENS — tweak colors here to re-skin the whole site
     ========================================================= */
  :root{
    --bg:        #0a0e14;
    --bg-2:      #0d1219;
    --surface:   #11171f;
    --surface-2: #151c26;
    --border:    #222c39;
    --border-2:  #2c3949;
    --text:      #e7edf4;
    --muted:     #8a99ad;
    --faint:     #5d6b7e;
    --accent:    #34e2c4;   /* primary teal/cyan accent */
    --accent-2:  #7cc7ff;   /* secondary sky accent      */
    --accent-3:  #f5c451;   /* warm accent (sparingly)   */
    --glow:      rgba(52,226,196,.30);
    --mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
    --sans: "Manrope", -apple-system, BlinkMacSystemFont, sans-serif;
    --maxw: 1120px;
  }

  *{ box-sizing:border-box; margin:0; padding:0; }
  html{ scroll-behavior:smooth; scroll-padding-top:90px; }

  body{
    font-family:var(--sans);
    background:var(--bg);
    color:var(--text);
    line-height:1.65;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }

  /* Atmospheric background: faint grid + radial glows + grain */
  body::before{
    content:""; position:fixed; inset:0; z-index:-2;
    background-image:
      linear-gradient(var(--border) 1px, transparent 1px),
      linear-gradient(90deg, var(--border) 1px, transparent 1px);
    background-size:46px 46px;
    opacity:.20;
    mask-image:radial-gradient(ellipse 90% 70% at 50% 0%, #000 25%, transparent 80%);
    -webkit-mask-image:radial-gradient(ellipse 90% 70% at 50% 0%, #000 25%, transparent 80%);
  }
  body::after{
    content:""; position:fixed; inset:0; z-index:-1; pointer-events:none;
    background:
      radial-gradient(60% 50% at 80% -5%, rgba(52,226,196,.10), transparent 70%),
      radial-gradient(50% 45% at 5% 15%, rgba(124,199,255,.08), transparent 70%);
  }

  a{ color:inherit; text-decoration:none; }
  ::selection{ background:var(--accent); color:#04140f; }

  .wrap{ max-width:var(--maxw); margin:0 auto; padding:0 28px; }

  .mono{ font-family:var(--mono); }
  .accent{ color:var(--accent); }

  /* Small monospace section tag, e.g. "01 // about" */
  .tag{
    font-family:var(--mono); font-size:.78rem; letter-spacing:.14em;
    text-transform:uppercase; color:var(--accent);
    display:inline-flex; align-items:center; gap:.6em;
  }
  .tag::before{ content:""; width:26px; height:1px; background:var(--accent); opacity:.6; }

  h2.section-title{
    font-size:clamp(1.7rem, 4vw, 2.6rem);
    font-weight:800; letter-spacing:-.02em; line-height:1.1;
    margin:.5rem 0 1.4rem;
  }

  /* =========================================================
     NAVBAR
     ========================================================= */
  header.nav{
    position:fixed; top:0; left:0; right:0; z-index:50;
    backdrop-filter:blur(12px); -webkit-backdrop-filter:blur(12px);
    background:rgba(10,14,20,.72);
    border-bottom:1px solid transparent;
    transition:border-color .3s, background .3s;
  }
  header.nav.scrolled{ border-bottom-color:var(--border); background:rgba(10,14,20,.86); }
  .nav-inner{ display:flex; align-items:center; justify-content:space-between; height:68px; }
  .brand{ font-family:var(--mono); font-weight:700; font-size:1rem; letter-spacing:-.01em; }
  .brand .prompt{ color:var(--accent); }
  .brand .cursor{ color:var(--accent); animation:blink 1.1s steps(1) infinite; }
  @keyframes blink{ 50%{ opacity:0; } }

  nav.links{ display:flex; align-items:center; gap:6px; }
  nav.links a{
    font-family:var(--mono); font-size:.82rem; color:var(--muted);
    padding:8px 12px; border-radius:8px; transition:color .2s, background .2s;
  }
  nav.links a:hover{ color:var(--text); background:var(--surface); }
  nav.links a.active{ color:var(--accent); }
  .nav-cta{
    font-family:var(--mono); font-size:.82rem; color:var(--accent)!important;
    border:1px solid var(--border-2); padding:8px 16px!important; border-radius:8px;
    transition:border-color .2s, box-shadow .2s, background .2s;
  }
  .nav-cta:hover{ border-color:var(--accent); box-shadow:0 0 0 3px var(--glow); background:transparent!important; }

  .burger{ display:none; flex-direction:column; gap:5px; background:none; border:0; cursor:pointer; padding:8px; }
  .burger span{ width:24px; height:2px; background:var(--text); transition:.3s; }

  /* =========================================================
     HERO
     ========================================================= */
  section.hero{ padding:160px 0 90px; }
  .hero-grid{ display:grid; grid-template-columns:1.05fr .95fr; gap:54px; align-items:center; }

  .status{
    display:inline-flex; align-items:center; gap:.6em; font-family:var(--mono);
    font-size:.78rem; color:var(--muted); border:1px solid var(--border);
    background:var(--surface); padding:6px 13px; border-radius:999px; margin-bottom:26px;
  }
  .status .dot{ width:8px; height:8px; border-radius:50%; background:var(--accent); box-shadow:0 0 0 0 var(--glow); animation:pulse 2s infinite; }
  @keyframes pulse{ 0%{ box-shadow:0 0 0 0 var(--glow); } 70%{ box-shadow:0 0 0 8px transparent; } 100%{ box-shadow:0 0 0 0 transparent; } }

  .hero h1{
    font-size:clamp(2.4rem, 6vw, 4.1rem); line-height:1.03; font-weight:800;
    letter-spacing:-.03em; margin-bottom:20px;
  }
  .hero h1 .grad{
    background:linear-gradient(110deg, var(--accent), var(--accent-2));
    -webkit-background-clip:text; background-clip:text; color:transparent;
  }
  .hero .role{ font-family:var(--mono); color:var(--accent); font-size:1rem; margin-bottom:18px; letter-spacing:.02em; }
  .hero p.lead{ color:var(--muted); font-size:1.08rem; max-width:46ch; margin-bottom:32px; }

  .btn-row{ display:flex; gap:14px; flex-wrap:wrap; }
  .btn{
    font-family:var(--mono); font-size:.9rem; padding:13px 22px; border-radius:10px;
    border:1px solid var(--border-2); transition:.22s; cursor:pointer;
    display:inline-flex; align-items:center; gap:.6em;
  }
  .btn.primary{ background:var(--accent); color:#04140f; border-color:var(--accent); font-weight:700; }
  .btn.primary:hover{ box-shadow:0 0 26px var(--glow); transform:translateY(-2px); }
  .btn.ghost:hover{ border-color:var(--accent); color:var(--accent); transform:translateY(-2px); }

  /* Terminal window in hero */
  .terminal{
    background:linear-gradient(180deg, var(--surface), var(--bg-2));
    border:1px solid var(--border-2); border-radius:14px; overflow:hidden;
    box-shadow:0 30px 70px -30px rgba(0,0,0,.8), 0 0 0 1px rgba(255,255,255,.02) inset;
  }
  .term-bar{ display:flex; align-items:center; gap:8px; padding:13px 16px; background:rgba(255,255,255,.025); border-bottom:1px solid var(--border); }
  .term-bar .d{ width:12px; height:12px; border-radius:50%; }
  .term-bar .d.r{ background:#ff5f57; } .term-bar .d.y{ background:#febc2e; } .term-bar .d.g{ background:#28c840; }
  .term-bar .title{ margin-left:8px; font-family:var(--mono); font-size:.76rem; color:var(--faint); }
  .term-body{ padding:22px; font-family:var(--mono); font-size:.86rem; line-height:1.85; min-height:268px; }
  .term-body .line{ white-space:pre-wrap; }
  .term-body .pmt{ color:var(--accent); }
  .term-body .path{ color:var(--accent-2); }
  .term-body .key{ color:var(--accent-3); }
  .term-body .out{ color:var(--muted); }
  #typed::after{ content:"▋"; color:var(--accent); animation:blink 1s steps(1) infinite; }

  /* =========================================================
     GENERIC SECTION SPACING
     ========================================================= */
  section{ padding:80px 0; }
  .reveal{ opacity:0; transform:translateY(28px); transition:opacity .7s ease, transform .7s ease; }
  .reveal.in{ opacity:1; transform:none; }

  /* =========================================================
     ABOUT
     ========================================================= */
  .about-grid{ display:grid; grid-template-columns:1.4fr 1fr; gap:48px; align-items:start; }
  .about-grid p{ color:var(--muted); margin-bottom:16px; font-size:1.04rem; }
  .about-grid p strong{ color:var(--text); font-weight:600; }
  .stat-card{
    border:1px solid var(--border); border-radius:14px; background:var(--surface);
    padding:6px 0; overflow:hidden;
  }
  .stat{ display:flex; align-items:baseline; gap:14px; padding:18px 22px; border-bottom:1px solid var(--border); }
  .stat:last-child{ border-bottom:0; }
  .stat .num{ font-family:var(--mono); font-size:1.9rem; font-weight:800; color:var(--accent); line-height:1; min-width:78px; }
  .stat .lab{ color:var(--muted); font-size:.92rem; }

  /* =========================================================
     SKILLS
     ========================================================= */
  .skills-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:20px; }
  .skill-card{
    border:1px solid var(--border); border-radius:14px; background:var(--surface);
    padding:26px; transition:.25s; position:relative; overflow:hidden;
  }
  .skill-card::before{
    content:""; position:absolute; top:0; left:0; right:0; height:2px;
    background:linear-gradient(90deg, var(--accent), transparent); transform:scaleX(0);
    transform-origin:left; transition:transform .35s;
  }
  .skill-card:hover{ border-color:var(--border-2); transform:translateY(-4px); background:var(--surface-2); }
  .skill-card:hover::before{ transform:scaleX(1); }
  .skill-card .ico{ font-family:var(--mono); color:var(--accent); font-size:.8rem; letter-spacing:.1em; margin-bottom:14px; }
  .skill-card h3{ font-size:1.18rem; font-weight:700; margin-bottom:16px; letter-spacing:-.01em; }
  .chips{ display:flex; flex-wrap:wrap; gap:8px; }
  .chip{
    font-family:var(--mono); font-size:.76rem; color:var(--muted);
    border:1px solid var(--border); background:var(--bg-2); padding:5px 11px; border-radius:7px;
    transition:.2s;
  }
  .skill-card:hover .chip{ border-color:var(--border-2); }
  .chip:hover{ color:var(--accent); border-color:var(--accent); }

  /* =========================================================
     PROJECTS
     ========================================================= */
  .proj-grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:22px; }
  .proj{
    border:1px solid var(--border); border-radius:16px; background:var(--surface);
    padding:28px; display:flex; flex-direction:column; transition:.25s; position:relative;
  }
  .proj:hover{ border-color:var(--border-2); transform:translateY(-5px); box-shadow:0 24px 50px -28px rgba(0,0,0,.7); }
  .proj-top{ display:flex; align-items:center; justify-content:space-between; margin-bottom:16px; }
  .proj-top .idx{ font-family:var(--mono); font-size:.78rem; color:var(--faint); }
  .proj-links{ display:flex; gap:12px; }
  .proj-links a{ color:var(--muted); transition:.2s; display:inline-flex; }
  .proj-links a:hover{ color:var(--accent); }
  .proj h3{ font-size:1.32rem; font-weight:700; margin-bottom:10px; letter-spacing:-.01em; }
  .proj p{ color:var(--muted); font-size:.97rem; margin-bottom:20px; flex:1; }
  .proj .stack{ display:flex; flex-wrap:wrap; gap:7px; }
  .proj .stack span{ font-family:var(--mono); font-size:.72rem; color:var(--accent-2); background:rgba(124,199,255,.08); border:1px solid rgba(124,199,255,.18); padding:4px 9px; border-radius:6px; }

  /* =========================================================
     EXPERIENCE TIMELINE
     ========================================================= */
  .timeline{ position:relative; padding-left:34px; }
  .timeline::before{ content:""; position:absolute; left:8px; top:6px; bottom:6px; width:1px; background:var(--border-2); }
  .tl-item{ position:relative; padding-bottom:38px; }
  .tl-item:last-child{ padding-bottom:0; }
  .tl-item::before{
    content:""; position:absolute; left:-30px; top:6px; width:13px; height:13px; border-radius:50%;
    background:var(--bg); border:2px solid var(--accent); box-shadow:0 0 0 4px rgba(52,226,196,.12);
  }
  .tl-item .when{ font-family:var(--mono); font-size:.78rem; color:var(--accent); margin-bottom:5px; }
  .tl-item h3{ font-size:1.18rem; font-weight:700; }
  .tl-item .org{ color:var(--accent-2); font-family:var(--mono); font-size:.86rem; margin-bottom:9px; }
  .tl-item p{ color:var(--muted); font-size:.97rem; }

  /* =========================================================
     CERTIFICATIONS
     ========================================================= */
  .cert-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:16px; }
  .cert{
    border:1px solid var(--border); border-radius:12px; background:var(--surface);
    padding:20px; text-align:center; transition:.25s;
  }
  .cert:hover{ border-color:var(--accent); transform:translateY(-3px); box-shadow:0 0 24px -8px var(--glow); }
  .cert .badge{
    width:46px; height:46px; margin:0 auto 12px; border-radius:11px;
    display:grid; place-items:center; font-family:var(--mono); font-weight:800; color:#04140f;
    background:linear-gradient(135deg, var(--accent), var(--accent-2)); font-size:.95rem;
  }
  .cert .name{ font-weight:700; font-size:.95rem; }
  .cert .by{ color:var(--faint); font-family:var(--mono); font-size:.74rem; margin-top:3px; }

  /* =========================================================
     CONTACT
     ========================================================= */
  .contact{ text-align:center; }
  .contact .big{
    font-size:clamp(2rem, 6vw, 3.6rem); font-weight:800; letter-spacing:-.03em;
    line-height:1.08; margin:14px auto 22px; max-width:18ch;
  }
  .contact .big a{ color:var(--accent); border-bottom:2px solid transparent; transition:.2s; }
  .contact .big a:hover{ border-bottom-color:var(--accent); }
  .contact p{ color:var(--muted); max-width:48ch; margin:0 auto 34px; }
  .socials{ display:flex; gap:14px; justify-content:center; flex-wrap:wrap; }
  .socials a{
    font-family:var(--mono); font-size:.88rem; color:var(--muted);
    border:1px solid var(--border); padding:12px 20px; border-radius:10px; transition:.22s;
    display:inline-flex; align-items:center; gap:.6em;
  }
  .socials a:hover{ color:var(--accent); border-color:var(--accent); transform:translateY(-2px); box-shadow:0 0 0 3px var(--glow); }

  /* =========================================================
     FOOTER
     ========================================================= */
  footer{ border-top:1px solid var(--border); padding:30px 0; }
  .foot-inner{ display:flex; justify-content:space-between; align-items:center; gap:16px; flex-wrap:wrap; }
  footer .mono{ font-size:.8rem; color:var(--faint); }

  svg.ic{ width:18px; height:18px; stroke:currentColor; fill:none; stroke-width:1.8; }

  /* =========================================================
     RESPONSIVE
     ========================================================= */
  @media (max-width:900px){
    .hero-grid, .about-grid{ grid-template-columns:1fr; gap:40px; }
    .skills-grid{ grid-template-columns:1fr 1fr; }
    .proj-grid{ grid-template-columns:1fr; }
    .cert-grid{ grid-template-columns:1fr 1fr; }
    section.hero{ padding:130px 0 60px; }
  }
  @media (max-width:640px){
    nav.links{
      position:fixed; inset:68px 0 auto 0; flex-direction:column; align-items:stretch;
      background:var(--bg-2); border-bottom:1px solid var(--border); padding:14px 22px; gap:4px;
      transform:translateY(-130%); transition:transform .3s; opacity:0; pointer-events:none;
    }
    nav.links.open{ transform:none; opacity:1; pointer-events:auto; }
    nav.links a{ padding:12px; }
    .burger{ display:flex; }
    .skills-grid, .cert-grid{ grid-template-columns:1fr; }
    .wrap{ padding:0 20px; }
  }