:root{
    --accent: #00e5ff;
    --accent2: #7c3aed;
    --bg: #05070f;
    --text: #e5e7eb;
    --muted: #8b93a7;
  }
  *{ box-sizing: border-box; margin:0; padding:0; }
  html,body{
    height:100%;
    background: var(--bg);
    color: var(--text);
    font-family: 'Segoe UI', Arial, sans-serif;
    overflow-x:hidden;
  }
  
  canvas#bg{
    position: fixed;
    inset:0;
    z-index:0;
    display:block;
  }
  
  .glow{
    position: fixed;
    top:0; left:0;
    width: 700px; height: 700px;
    border-radius:50%;
    pointer-events:none;
    background: radial-gradient(circle, rgba(0,229,255,0.18) 0%, rgba(124,58,237,0.10) 40%, transparent 70%);
    transform: translate(-50%,-50%);
    z-index:1;
    transition: background .3s ease;
    filter: blur(4px);
  }
  
  header{
    position: relative;
    z-index:5;
    display:flex;
    justify-content: space-between;
    align-items:center;
    padding: 28px 60px;
  }
  
  .logo{
    font-size: 1.5rem;
    font-weight:700;
    letter-spacing: 1px;

  }

  .logo img {
    pointer-events: none;
    user-select: none;
  }


  .logo span{ color: var(--accent); }
  
  nav a{
    color: var(--muted);
    text-decoration:none;
    margin-left: 36px;
    font-size: .95rem;
    letter-spacing:.5px;
    transition: color .2s;
  }
  
  nav a:hover{ color: var(--accent); }
  
  main{
    position:relative;
    z-index:5;
    min-height: 90vh;
    display:flex;
    flex-direction:column;
    align-items:center;
    justify-content:center;
    text-align:center;
    padding: 40px 20px;
  }
  
  .tag{
    color: var(--accent);
    letter-spacing: 4px;
    font-size: .8rem;
    text-transform: uppercase;
    margin-bottom: 18px;
    opacity: .85;
  }
  
  h1{
    font-size: clamp(2.4rem, 6vw, 5rem);
    font-weight: 800;
    line-height: 1.05;
    background: linear-gradient(120deg, #ffffff 30%, var(--accent) 60%, var(--accent2) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-shadow: 0 0 40px rgba(0,229,255,0.15);
  }
  
  .sub{
    max-width: 560px;
    margin: 24px auto 36px;
    color: var(--muted);
    font-size: 1.05rem;
    line-height: 1.6;
  }
  
  .cta{
    display:flex;
    gap: 18px;
  }
  
  .btn{
    padding: 14px 32px;
    border-radius: 999px;
    font-size: .95rem;
    font-weight:600;
    letter-spacing:.5px;
    cursor:pointer;
    border: 1px solid transparent;
    transition: all .25s ease;
  }
  
  .btn.primary{
    background: linear-gradient(120deg, var(--accent), var(--accent2));
    color: #05070f;
  }
  
  .btn.primary:hover{
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0,229,255,0.25);
  }
  
  .btn.primary:disabled{
    opacity: .6;
    cursor: not-allowed;
    transform:none;
    box-shadow:none;
  }
  
  .btn.ghost{
    color: var(--text);
    border-color: rgba(255,255,255,0.2);
    background: rgba(255,255,255,0.03);
  }
  
  .btn.ghost:hover{
    border-color: var(--accent);
  }
  
  section.features{
    position:relative;
    z-index:5;
    display:grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
    max-width: 1100px;
    margin: 0 auto 100px;
    padding: 0 40px;
  }
  
  .card{
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 16px;
    padding: 28px 24px;
    backdrop-filter: blur(6px);
    transition: transform .25s ease, border-color .25s ease;
  }
  
  .card:hover{
    transform: translateY(-6px);
    border-color: var(--accent);
  }
  
  .card .icon{
    font-size: 1.8rem;
    margin-bottom: 14px;
    color: var(--accent);
  }
  
  .card h3{
    font-size: 1.05rem;
    margin-bottom: 8px;
  }
  
  .card p{
    color: var(--muted);
    font-size: .9rem;
    line-height: 1.5;
  }
  
  section.section-block{
    position:relative;
    z-index:5;
    max-width: 1100px;
    margin: 0 auto 110px;
    padding: 0 40px;
  }
  
  .section-head{
    text-align:center;
    margin-bottom: 50px;
  }
  
  .section-head .tag{ margin-bottom: 12px; }
  
  .section-head h2{
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    font-weight: 800;
  }
  
  .section-head p{
    color: var(--muted);
    max-width: 560px;
    margin: 14px auto 0;
    line-height: 1.6;
  }
  
  .about-grid{
    display:grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 40px;
    align-items:start;
  }
  
  @media (max-width: 800px){
    .about-grid{ grid-template-columns: 1fr; }
  }
  
  .about-text p{
    color: var(--muted);
    line-height: 1.75;
    margin-bottom: 16px;
    font-size: .98rem;
  }
  
  .about-text strong{ color: var(--text); }
  
  .stat-grid{
    display:grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
  }
  
  .stat-card{
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 14px;
    padding: 22px;
    text-align:center;
  }
  
  .stat-card .num{
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent);
  }
  
  .stat-card .label{
    color: var(--muted);
    font-size: .8rem;
    margin-top: 6px;
    letter-spacing:.3px;
  }
  
  .team-row{
    display:flex;
    gap: 20px;
    margin-top: 30px;
    flex-wrap: wrap;
  }
  
  .team-member{
    flex:1;
    min-width: 160px;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 14px;
    padding: 20px;
    text-align:center;
  }
  
  .avatar{
    width: 54px;
    height: 54px;
    border-radius: 50%;
    margin: 0 auto 12px;
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    display:flex;
    align-items:center;
    justify-content:center;
    font-weight:700;
    color: #05070f;
  }
  
  .team-member h4{ font-size: .95rem; }
  .team-member span{ color: var(--muted); font-size: .78rem; }
  
  .contact-grid{
    display:grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 40px;
  }
  
  @media (max-width: 800px){
    .contact-grid{ grid-template-columns: 1fr; }
  }
  
  .contact-info .item{
    display:flex;
    gap: 14px;
    margin-bottom: 22px;
    align-items:flex-start;
  }
  
  .contact-info .item .ic{
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: rgba(0,229,255,0.08);
    border: 1px solid rgba(0,229,255,0.25);
    display:flex;
    align-items:center;
    justify-content:center;
    flex-shrink:0;
  }
  
  .contact-info .item h4{ font-size: .95rem; margin-bottom: 3px; }
  .contact-info .item p, .contact-info .item a{
    color: var(--muted);
    font-size: .88rem;
    text-decoration:none;
  }
  
  .contact-info .item a:hover{ color: var(--accent); }
  
  form.contact-form{
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 16px;
    padding: 30px;
    display:flex;
    flex-direction:column;
    gap: 16px;
    position: relative;
  }
  
  form.contact-form label{
    font-size: .8rem;
    color: var(--muted);
    margin-bottom: -8px;
  }
  
  form.contact-form input,
  form.contact-form textarea{
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 8px;
    padding: 12px 14px;
    color: var(--text);
    font-family: inherit;
    font-size: .9rem;
    resize: vertical;
  }
  
  form.contact-form input:focus,
  form.contact-form textarea:focus{
    outline: none;
    border-color: var(--accent);
  }
  
  /* honeypot - ukryte przed ludźmi, widoczne dla botów wypełniających wszystkie pola */
  .hp-field{
    position: absolute !important;
    left: -9999px !important;
    width: 1px; height: 1px;
    opacity: 0;
  }
  
  .form-status{
    font-size: .85rem;
    min-height: 1.2em;
  }
  
  .form-status.success{ color: #4ade80; }
  .form-status.error{ color: #f87171; }
  .form-status.loading{ color: var(--muted); }
  
  footer{
    position:relative;
    z-index:5;
    text-align:center;
    padding: 30px;
    color: var(--muted);
    font-size: .8rem;
    border-top: 1px solid rgba(255,255,255,0.06);
  }
  
  .terminal-line{
    margin-top: 26px;
    font-family: 'Consolas', monospace;
    color: #4ade80;
    font-size: .85rem;
    opacity: .8;
  }
  
  .terminal-line .cursor{
    display:inline-block;
    width: 8px;
    height: 14px;
    background: #4ade80;
    margin-left:4px;
    animation: blink 1s steps(1) infinite;
    vertical-align: -2px;
  }
  
  @keyframes blink{ 50%{ opacity:0; } }