:root{
    --bg:#0a0e14;
    --bg-elev:#0f1520;
    --surface:#121a28;
    --surface-2:#161f30;
    --border:#22304a;
    --border-soft:#1a2438;
    --text:#e6edf7;
    --text-muted:#8b9bb4;
    --text-faint:#5b6c87;
    --green:#5400cf;
    --green-dim:#7a2bff;
    --amber:#ffb454;
    --red:#ff6b6b;
    --blue:#4ea1ff;
    --purple:#a78bfa;
    --lilac-glow:rgba(84,0,207,0.22);
    --mono:'JetBrains Mono', monospace;
    --sans:'Inter', sans-serif;
    --radius:10px;
    --container:1120px;
  }

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

  html{scroll-behavior:smooth;}

  body{
    background:var(--bg);
    color:var(--text);
    font-family:var(--sans);
    font-size:16px;
    line-height:1.6;
    -webkit-font-smoothing:antialiased;
    background-image:
      radial-gradient(circle at 15% 0%, rgba(78,161,255,0.07), transparent 40%),
      radial-gradient(circle at 85% 15%, rgba(84,0,207,0.06), transparent 40%);
  }

  img{max-width:100%;display:block;}

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

  .container{
    width:100%;
    max-width:var(--container);
    margin:0 auto;
    padding:0 24px;
  }

  /* Skip link */
  .skip-link{
    position:absolute;left:-999px;top:0;
    background:var(--green);color:#ffffff;
    padding:8px 16px;border-radius:0 0 8px 0;
    font-family:var(--mono);font-size:14px;z-index:100;
  }
  .skip-link:focus{left:0;}

  /* Focus visibility */
  a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{
    outline:2px solid var(--green);
    outline-offset:2px;
    border-radius:4px;
  }

  /* ===== Header ===== */
  header{
    position:sticky;top:0;z-index:60;
    background:rgba(10,14,20,0.95); /* bump opacity so it's fully opaque */
    backdrop-filter:blur(10px);
    border-bottom:1px solid var(--border-soft);
  }
  .nav{
    display:flex;align-items:center;justify-content:space-between;
    height:64px;
  }
  .brand{
    display:flex;align-items:center;gap:10px;
    font-family:var(--mono);font-weight:700;font-size:15px;letter-spacing:0.5px;
    color:var(--text);
  }
  .brand .dot{
    width:10px;height:10px;border-radius:50%;
    background:var(--green);
    box-shadow:0 0 0 3px rgba(84,0,207,0.15);
    animation:pulse 2.4s ease-in-out infinite;
  }
  @keyframes pulse{
    0%,100%{box-shadow:0 0 0 3px rgba(84,0,207,0.15);}
    50%{box-shadow:0 0 0 6px rgba(84,0,207,0.08);}
  }
  @media (prefers-reduced-motion: reduce){
    .brand .dot{animation:none;}
  }
  .nav-links{
    display:flex;gap:28px;align-items:center;
    font-size:14px;color:var(--text-muted);
  }
  .nav-links a{
    padding:8px 4px;
    transition:color 150ms ease;
    border-bottom:2px solid transparent;
  }
  .nav-links a:hover{color:var(--text);border-color:var(--green);}
  .nav-cta{
    background:var(--green);
    color:#ffffff !important;
    padding:9px 18px;
    border-radius:6px;
    font-weight:600;
    font-size:14px;
    transition:transform 150ms ease, box-shadow 150ms ease;
    display:inline-flex;align-items:center;gap:6px;
  }
  .nav-cta:hover{transform:translateY(-1px);box-shadow:0 4px 14px rgba(84,0,207,0.25);}
  .menu-toggle{display:none;}

  @media (max-width: 760px){
  .nav-links {
    position:fixed;
    inset:64px 0 0 0;
    background:var(--bg-elev);
    flex-direction:column;
    padding:32px 24px;
    gap:18px;
    align-items:stretch;  /* ← меняем с flex-start на stretch */
    font-size:18px;
    transform:translateX(100%);
    transition:transform 220ms ease;
    border-top:1px solid var(--border-soft);
    overflow-y:auto;      /* добавляем скролл, если ссылок много */
    height:calc(100vh - 64px); /* фиксируем высоту */
  }
    .nav-links a {
      display: block;       /* чтобы ссылки были блочными */
      padding: 14px 16px;   /* отступы внутри ссылки */
      border-radius: 8px;   /* скругление */
      width: 100%;          /* на всю ширину */
      transition: background 150ms ease;
    }
    
    .nav-links a:hover {
      background: var(--surface); /* подсветка при наведении */
    }
    .nav-links.open{transform:translateX(0);}
    .nav-cta{    
      margin-top: 8px;
      background: var(--green) !important;
      color: #ffffff !important;
      text-align: center;
      justify-content: center;
  }
    .menu-toggle{
      display:flex;align-items:center;justify-content:center;
      width:44px;height:44px;
      background: var(--bg-elev);
      border:1px solid var(--border);
      border-radius:8px;color:var(--text);cursor:pointer;
      position:relative;
      z-index:60;
    }
    .contact-actions .btn span.btn-label { display: none; }
    .contact-actions .btn { min-width: 52px; max-width: 52px; justify-content: center; padding: 13px; }
    .contact-actions { justify-content: center; }
  }

  /* ===== Hero ===== */
  .hero{
    padding:88px 0 64px;
    border-bottom:1px solid var(--border-soft);
  }
  .hero-grid{
    display:grid;
    grid-template-columns:1.1fr 1fr;
    gap:48px;
    align-items:center;
  }
  @media (max-width: 880px){
    .hero-grid{grid-template-columns:1fr;gap:40px;}
  }
  .eyebrow{
    font-family:var(--mono);
    font-size:13px;
    color:var(--green);
    letter-spacing:2px;
    text-transform:uppercase;
    display:flex;align-items:center;gap:10px;
    margin-bottom:18px;
  }
  .eyebrow::before{
    content:'';display:block;width:24px;height:1px;background:var(--green);
  }
  h1{
    font-size:clamp(2.2rem, 5vw, 3.4rem);
    line-height:1.15;
    font-weight:800;
    letter-spacing:-1px;
    margin-bottom:18px;
  }
  h1 .accent{color:var(--green);}
  .hero-desc{
    color:var(--text-muted);
    font-size:17px;
    max-width:520px;
    margin-bottom:32px;
  }
  .hero-actions{
    display:flex;gap:14px;flex-wrap:wrap;
  }
  .btn{
    display:inline-flex;align-items:center;gap:8px;
    padding:13px 22px;
    border-radius:8px;
    font-weight:600;
    font-size:15px;
    cursor:pointer;
    transition:transform 150ms ease, box-shadow 150ms ease, background 150ms ease;
    border:1px solid transparent;
    min-height:44px;
  }
  .btn-primary{background:var(--green);color:#ffffff;}
  .btn-primary:hover{transform:translateY(-1px);box-shadow:0 6px 18px rgba(84,0,207,0.25);}
  .btn-secondary{background:var(--surface);color:var(--text);border-color:var(--border);}
  .btn-secondary:hover{border-color:var(--green);color:var(--green);}

  .hero-stats{
    display:flex;gap:28px;margin-top:40px;flex-wrap:wrap;
  }
  .hero-stat .num{
    font-family:var(--mono);font-size:1.6rem;font-weight:700;color:var(--text);
  }
  .hero-stat .label{
    font-size:12.5px;color:var(--text-faint);text-transform:uppercase;letter-spacing:1px;margin-top:4px;
  }

  /* Hero terminal card */
  .terminal{
    background:var(--surface);
    border:1px solid var(--border);
    border-radius:var(--radius);
    overflow:hidden;
    box-shadow:0 20px 60px -20px rgba(0,0,0,0.6);
  }
  .terminal-bar{
    display:flex;align-items:center;gap:8px;
    padding:12px 16px;
    background:var(--surface-2);
    border-bottom:1px solid var(--border);
  }
  .terminal-bar .tb-dot{width:11px;height:11px;border-radius:50%;}
  .tb-dot.red{background:#ff5f57;}
  .tb-dot.amber{background:#febc2e;}
  .tb-dot.green{background:#28c840;}
  .terminal-title{
    margin-left:8px;font-family:var(--mono);font-size:12px;color:var(--text-faint);
  }
  .terminal-body{
    padding:22px 20px;
    font-family:var(--mono);
    font-size:13.5px;
    line-height:1.9;
    color:#c7d3e6;
    overflow-x:auto;
  }
  .t-prompt{color:#3ddc97;}
  .t-comment{color:var(--text-faint);}
  .t-key{color:var(--blue);}
  .t-val{color:#c7d3e6;}
  .t-ok{color:#3ddc97;font-weight:700;}
  .t-warn{color:var(--amber);font-weight:700;}
  .t-cursor{
    display:inline-block;width:8px;height:15px;background:var(--green);
    animation:blink 1s step-end infinite;vertical-align:-2px;
  }
  @keyframes blink{50%{opacity:0;}}
  @media (prefers-reduced-motion: reduce){.t-cursor{animation:none;}}

  /* ===== Section shared ===== */
  section{padding:80px 0;}
  .section-head{margin-bottom:44px;max-width:640px;}
  .section-tag{
    font-family:var(--mono);font-size:12.5px;color:var(--green);
    letter-spacing:2px;text-transform:uppercase;margin-bottom:10px;
  }
  h2{
    font-size:clamp(1.6rem, 3.2vw, 2.2rem);
    font-weight:800;letter-spacing:-0.5px;margin-bottom:10px;
  }
  .section-desc{color:var(--text-muted);font-size:15.5px;}

  /* ===== Status strip ===== */
  .status-strip{
    border-bottom:1px solid var(--border-soft);
    border-top:1px solid var(--border-soft);
    background:var(--bg-elev);
  }
  .status-grid{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:1px;
    background:var(--border-soft);
  }
  @media (max-width:760px){.status-grid{grid-template-columns:repeat(2,1fr);}}
  .status-item{
    background:var(--bg-elev);
    padding:24px 20px;
    text-align:center;
  }
  .status-item .si-label{
    font-family:var(--mono);font-size:11.5px;color:var(--text-faint);
    text-transform:uppercase;letter-spacing:1.5px;margin-bottom:8px;
  }
  .status-item .si-value{
    font-family:var(--mono);font-size:1.7rem;font-weight:700;
  }
  .si-green{color:var(--green);}
  .si-blue{color:var(--blue);}
  .si-amber{color:var(--amber);}

  /* ===== About ===== */
  .about-grid{
    display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start;
  }
  @media (max-width:880px){.about-grid{grid-template-columns:1fr;gap:32px;}}
  .about-text p{color:var(--text-muted);margin-bottom:16px;font-size:15.5px;}
  .about-text strong{color:var(--text);}

  .about-photo-wrap{
    display:flex;align-items:center;gap:18px;
    margin-bottom:20px;
  }
  .about-photo{
    width:84px;height:84px;border-radius:50%;
    object-fit:cover;flex-shrink:0;
    border:2px solid var(--border);
    box-shadow:0 0 0 4px var(--lilac-glow);
  }
  @media (max-width:420px){
    .about-photo{width:64px;height:64px;}
  }

  .skill-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;}
  .tag{
    font-family:var(--mono);font-size:12.5px;
    background:var(--surface);border:1px solid var(--border);
    padding:7px 12px;border-radius:6px;color:var(--text-muted);
  }

  .toolkit{
    background:var(--surface);
    border:1px solid var(--border);
    border-radius:var(--radius);
    padding:24px;
  }
  .toolkit h3{
    font-size:15px;margin-bottom:18px;color:var(--text);
    font-family:var(--mono);letter-spacing:0.5px;
  }
  .toolkit-row{
    display:flex;justify-content:space-between;align-items:center;
    padding:10px 0;border-bottom:1px solid var(--border-soft);
    font-size:14px;
  }
  .toolkit-row:last-child{border-bottom:none;}
  .toolkit-row .tr-name{color:var(--text);}
  .bar{
    width:120px;height:6px;border-radius:4px;background:var(--surface-2);
    overflow:hidden;flex-shrink:0;
  }
  .bar-fill{height:100%;border-radius:4px;background:var(--green);}
  @media (max-width:480px){
    .toolkit-row{flex-direction:column;align-items:flex-start;gap:8px;}
    .bar{width:100%;}
  }

  /* ===== Project ===== */
  .project-card{
    background:var(--surface);
    border:1px solid var(--border);
    border-radius:var(--radius);
    overflow:hidden;
  }
  .project-grid{
    display:grid;grid-template-columns:1.2fr 1fr;
  }
  @media (max-width:880px){.project-grid{grid-template-columns:1fr;}}
  .project-content{padding:36px;}
  .project-badge{
    display:inline-flex;align-items:center;gap:6px;
    font-family:var(--mono);font-size:12px;
    background:rgba(84,0,207,0.1);color:var(--green);
    border:1px solid var(--green-dim);
    padding:5px 11px;border-radius:99px;margin-bottom:16px;
  }
  .project-content h3{
    font-size:1.5rem;font-weight:800;margin-bottom:10px;letter-spacing:-0.5px;
  }
  .project-content p{color:var(--text-muted);font-size:15px;margin-bottom:20px;}
  .stack-list{
    display:flex;flex-wrap:wrap;gap:8px;margin-bottom:24px;
  }
  .stack-pill{
    font-family:var(--mono);font-size:12px;
    background:var(--surface-2);border:1px solid var(--border);
    padding:6px 10px;border-radius:6px;color:var(--text-muted);
  }
  .project-links{display:flex;gap:12px;flex-wrap:wrap;}

  .project-visual{
    background:
      linear-gradient(180deg, rgba(18,26,40,0.4), rgba(10,14,20,0.9)),
      repeating-linear-gradient(0deg, transparent, transparent 27px, rgba(255,255,255,0.025) 28px);
    border-left:1px solid var(--border);
    padding:28px;
    font-family:var(--mono);font-size:12.5px;
    display:flex;flex-direction:column;gap:12px;justify-content:center;
  }
  @media (max-width:880px){.project-visual{border-left:none;border-top:1px solid var(--border);}}
  .flow-step{
    display:flex;align-items:center;gap:12px;
    background:var(--surface-2);
    border:1px solid var(--border);
    border-radius:8px;
    padding:11px 14px;
    color:var(--text-muted);
  }
  .flow-step .fs-icon{
    width:28px;height:28px;border-radius:6px;
    display:flex;align-items:center;justify-content:center;
    background:var(--surface);border:1px solid var(--border);
    flex-shrink:0;color:var(--green);
  }
  .flow-arrow{
    margin-left:14px;color:var(--text-faint);font-size:16px;line-height:1;
  }

  /* ===== Other projects ===== */
  .grid-3{
    display:grid;grid-template-columns:repeat(3,1fr);gap:20px;
  }
  @media (max-width:880px){.grid-3{grid-template-columns:1fr;}}
  .mini-card{
    background:var(--surface);
    border:1px solid var(--border);
    border-radius:var(--radius);
    padding:24px;
    transition:border-color 150ms ease, transform 150ms ease;
  }
  .mini-card:hover{border-color:var(--green-dim);transform:translateY(-2px);}
  .mini-card .mc-icon{
    width:38px;height:38px;border-radius:8px;
    background:var(--surface-2);border:1px solid var(--border);
    display:flex;align-items:center;justify-content:center;
    color:var(--blue);margin-bottom:16px;
  }
  .mini-card h4{font-size:16px;margin-bottom:8px;}
  .mini-card p{font-size:14px;color:var(--text-muted);margin-bottom:14px;}
  .mini-card a{font-size:13px;color:var(--green);font-family:var(--mono);font-weight:600;}

  /* ===== Experience timeline ===== */
  .timeline{border-left:1px solid var(--border);padding-left:28px;}
  .tl-item{position:relative;padding-bottom:36px;}
  .tl-item:last-child{padding-bottom:0;}
  .tl-item::before{
    content:'';position:absolute;left:-33px;top:4px;
    width:10px;height:10px;border-radius:50%;
    background:var(--bg);border:2px solid var(--green);
  }
  .tl-role{font-weight:700;font-size:16px;}
  .tl-meta{
    font-family:var(--mono);font-size:12.5px;color:var(--text-faint);
    margin:4px 0 8px;
  }
  .tl-desc{color:var(--text-muted);font-size:14.5px;}

  /* ===== Contact ===== */
  .contact-card{
    background:var(--surface);
    border:1px solid var(--border);
    border-radius:var(--radius);
    padding:48px;
    text-align:center;
  }
  @media (max-width:600px){.contact-card{padding:32px 20px;}}
  .contact-card h2{margin-bottom:12px;}
  .contact-card p{color:var(--text-muted);margin-bottom:28px;max-width:480px;margin-left:auto;margin-right:auto;}
  .contact-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;}
  
  footer{
    border-top:1px solid var(--border-soft);
    padding:32px 0;
  }
  .footer-row{
    display:flex;justify-content:space-between;align-items:center;
    flex-wrap:wrap;gap:12px;
    font-size:13px;color:var(--text-faint);
    font-family:var(--mono);
  }
  .footer-links{display:flex;gap:20px;}
  .footer-links a:hover{color:var(--green);}

  .icon{width:18px;height:18px;display:block;}

  /* ===== Scroll reveal ===== */
  .reveal{
    opacity:0;
    transform:translateY(28px);
    transition:opacity 0.7s cubic-bezier(0.16,1,0.3,1), transform 0.7s cubic-bezier(0.16,1,0.3,1);
    will-change:opacity, transform;
  }
  .reveal.visible{opacity:1;transform:translateY(0);}
  @media (prefers-reduced-motion: reduce){
    .reveal{opacity:1;transform:none;transition:none;}
  }

  /* ===== Depth: glow + gradients ===== */
  body::before{
    content:'';position:fixed;inset:0;pointer-events:none;z-index:-1;
    background:
      radial-gradient(600px circle at 20% -10%, var(--lilac-glow), transparent 60%),
      radial-gradient(500px circle at 90% 20%, rgba(78,161,255,0.10), transparent 60%),
      radial-gradient(700px circle at 50% 110%, var(--lilac-glow), transparent 55%);
  }

  .terminal, .toolkit, .project-card, .mini-card, .contact-card{
    background:linear-gradient(165deg, var(--surface) 0%, var(--surface) 60%, var(--surface-2) 100%);
    position:relative;
  }
  .mini-card::after, .project-card::after, .terminal::after{
    content:'';position:absolute;inset:0;border-radius:inherit;pointer-events:none;
    background:linear-gradient(135deg, var(--lilac-glow), transparent 40%);
    opacity:0.5;
  }
  .terminal{box-shadow:0 24px 70px -24px rgba(84,0,207,0.18), 0 20px 60px -20px rgba(0,0,0,0.6);}
  .mini-card:hover{box-shadow:0 12px 32px -16px var(--lilac-glow);}
  .project-card{box-shadow:0 24px 60px -28px rgba(84,0,207,0.15);}
  .contact-card{box-shadow:0 30px 80px -32px var(--lilac-glow);}

  .status-item{position:relative;overflow:hidden;}
  .status-item::before{
    content:'';position:absolute;inset:0;
    background:radial-gradient(circle at 50% 0%, var(--lilac-glow), transparent 70%);
    opacity:0;transition:opacity 300ms ease;
  }
  .status-item:hover::before{opacity:1;}