:root{
    --ink:#202B22;
    --ink-soft:#4B564C;
    --paper:#EDF2E8;
    --paper-card:#FBFAF3;
    --line: rgba(32,43,34,0.14);
    --teal:#12795F;
    --teal-deep:#0D5C47;
    --yellow:#F0B429;
    --violet:#6C5CE7;
    --violet-soft:#B7ADFF;
    --violet-bg:#19152E;
    --violet-bg-2:#221C3D;
    --radius-lg: 22px;
    --radius-md: 14px;
    --maxw: 1180px;
    --shadow: 0 18px 40px -22px rgba(32,43,34,0.35);
  }

  *{ box-sizing:border-box; }
  html{ scroll-behavior:smooth; }
  @media (prefers-reduced-motion: reduce){
    html{ scroll-behavior:auto; }
    *{ animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important; scroll-behavior:auto !important; }
  }

  body{
    margin:0;
    font-family:'Inter', sans-serif;
    color:var(--ink);
    background-color:var(--paper);
    background-image: radial-gradient(rgba(32,43,34,0.08) 1px, transparent 1px);
    background-size: 22px 22px;
    line-height:1.55;
    -webkit-font-smoothing:antialiased;
  }

  h1,h2,h3{
    font-family:'Fraunces', serif;
    color:var(--ink);
    margin:0 0 .4em 0;
    letter-spacing:-0.01em;
  }

  a{ color:inherit; }
  img,svg{ display:block; max-width:100%; }

  .wrap{
    max-width:var(--maxw);
    margin:0 auto;
    padding:0 32px;
  }

  .eyebrow{
    font-family:'IBM Plex Mono', monospace;
    font-size:12.5px;
    font-weight:600;
    letter-spacing:0.14em;
    text-transform:uppercase;
    color:var(--teal-deep);
    display:inline-flex;
    align-items:center;
    gap:8px;
    margin-bottom:14px;
  }
  .eyebrow::before{
    content:"";
    width:18px; height:2px;
    background:var(--teal);
    display:inline-block;
  }
  .eyebrow.on-dark{ color:var(--violet-soft); }
  .eyebrow.on-dark::before{ background:var(--violet-soft); }

  :focus-visible{
    outline: 3px solid var(--teal);
    outline-offset: 3px;
    border-radius: 4px;
  }

  /* ---------- NAV ---------- */
  header.site{
    position:sticky; top:0; z-index:50;
    background:rgba(237,242,232,0.86);
    backdrop-filter: blur(10px);
    border-bottom:1px solid var(--line);
  }
  nav.wrap{
    display:flex; align-items:center; justify-content:space-between;
    height:76px;
  }
  .logo{
    display:flex; align-items:center; gap:10px;
    font-family:'Fraunces', serif;
    font-weight:600;
    font-size:22px;
    text-decoration:none;
    color:var(--ink);
  }
  .logo svg{ width:32px; height:32px; }
  .logo small{
    display:block;
    font-family:'IBM Plex Mono', monospace;
    font-size:9.5px;
    font-weight:600;
    letter-spacing:0.1em;
    color:var(--ink-soft);
    text-transform:uppercase;
    margin-top:1px;
  }
  .nav-links{
    display:flex; align-items:center; gap:34px;
    list-style:none; margin:0; padding:0;
  }
  .nav-links a{
    text-decoration:none;
    font-size:15px;
    font-weight:500;
    color:var(--ink);
    position:relative;
    padding:4px 0;
  }
  .nav-links a::after{
    content:"";
    position:absolute; left:0; bottom:-2px;
    width:0; height:2px; background:var(--teal);
    transition:width .25s ease;
  }
  .nav-links a:hover::after{ width:100%; }

  .btn{
    display:inline-flex; align-items:center; gap:8px;
    font-family:'Inter', sans-serif;
    font-weight:600; font-size:14.5px;
    padding:12px 22px;
    border-radius:999px;
    text-decoration:none;
    border:1.5px solid var(--ink);
    cursor:pointer;
    transition: transform .18s ease, background .18s ease, color .18s ease, box-shadow .18s ease;
  }
  .btn-primary{
    background:var(--ink); color:var(--paper-card);
  }
  .btn-primary:hover{ background:var(--teal-deep); border-color:var(--teal-deep); transform:translateY(-2px); box-shadow:var(--shadow); }
  .btn-ghost{
    background:transparent; color:var(--ink);
  }
  .btn-ghost:hover{ background:var(--ink); color:var(--paper-card); transform:translateY(-2px); }
  .btn-on-dark{ border-color:var(--violet-soft); color:var(--violet-soft); }
  .btn-on-dark:hover{ background:var(--violet-soft); color:var(--violet-bg); }

  .nav-cta{ display:flex; align-items:center; gap:18px; }
  .burger{ display:none; }

  /* ---------- HERO ---------- */
  .hero{ padding:88px 0 96px; }
  .hero .wrap{
    display:grid; grid-template-columns: 1.05fr 0.95fr;
    gap:56px; align-items:center;
  }
  .hero h1{
    font-size:clamp(34px, 4.6vw, 54px);
    line-height:1.06;
    font-weight:600;
    max-width:12ch;
  }
  .hero .lede{
    font-size:17.5px; color:var(--ink-soft);
    max-width:46ch; margin:18px 0 32px;
  }
  .hero .cta-row{ display:flex; gap:14px; flex-wrap:wrap; }
  .hero-art{ position:relative; }

  /* ---------- SECTION SHELL ---------- */
  section{ padding:104px 0; }
  .section-head{ max-width:640px; margin-bottom:56px; }
  .section-head h2{ font-size:clamp(28px,3.4vw,38px); font-weight:600; }
  .section-head p{ color:var(--ink-soft); font-size:16.5px; max-width:52ch; }

  /* ---------- O NAS ---------- */
  .about .wrap{
    display:grid; grid-template-columns: 1fr 0.85fr; gap:64px; align-items:center;
  }
  .about .copy p{ color:var(--ink-soft); font-size:16px; margin:0 0 18px; max-width:52ch; }
  .fact-list{ list-style:none; margin:30px 0 0; padding:0; display:grid; gap:16px; }
  .fact-list li{ display:flex; gap:14px; align-items:flex-start; font-size:15px; }
  .fact-list svg{ flex:none; width:22px; height:22px; margin-top:2px; }
  .fact-list b{ font-weight:600; }

  .about-art{
    background:var(--paper-card);
    border:1px solid var(--line);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding:28px;
  }

  /* ---------- SLUZBY ---------- */
  .services{ background:var(--paper-card); border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
  .service-grid{
    display:grid; grid-template-columns:repeat(4, 1fr); gap:22px;
  }
  .service-card{
    background:var(--paper);
    border:1px solid var(--line);
    border-radius: var(--radius-md);
    padding:28px 24px;
    display:flex; flex-direction:column; gap:16px;
    transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
  }
  .service-card:hover{ transform:translateY(-6px); box-shadow:var(--shadow); border-color:var(--teal); }
  .service-icon{
    width:52px; height:52px;
    border-radius:14px;
    background:var(--paper-card);
    border:1px solid var(--line);
    display:flex; align-items:center; justify-content:center;
  }
  .service-icon svg{ width:28px; height:28px; }
  .service-card h3{ font-size:18px; font-weight:600; margin:0; }
  .service-card p{ font-size:14.5px; color:var(--ink-soft); margin:0; }
  .service-tag{
    font-family:'IBM Plex Mono', monospace;
    font-size:11px; letter-spacing:.06em; text-transform:uppercase;
    color:var(--teal-deep);
  }

  /* ---------- AI ---------- */
  .ai{
    background: radial-gradient(circle at 18% 20%, var(--violet-bg-2), var(--violet-bg) 60%);
    color:#EFEDFB;
    position:relative;
    overflow:hidden;
  }
  .ai::before{
    content:"";
    position:absolute; inset:0;
    background-image: repeating-linear-gradient(115deg, rgba(183,173,255,0.07) 0 1px, transparent 1px 64px);
    pointer-events:none;
  }
  .ai .wrap{ position:relative; }
  .ai h2{ color:#F5F3FF; }
  .ai .section-head p{ color:#C9C3EE; }
  .ai-flow{
    display:grid; grid-template-columns:repeat(4,1fr); gap:0;
    margin-top:20px;
    position:relative;
  }
  .ai-flow::before{
    content:"";
    position:absolute; top:26px; left:6%; right:6%; height:1px;
    background: repeating-linear-gradient(90deg, rgba(183,173,255,0.5) 0 10px, transparent 10px 20px);
  }
  .ai-step{ position:relative; padding:0 18px 0 0; }
  .ai-step .num{
    width:52px; height:52px; border-radius:50%;
    background:var(--violet-bg-2);
    border:1.5px solid var(--violet-soft);
    display:flex; align-items:center; justify-content:center;
    font-family:'IBM Plex Mono', monospace;
    font-weight:600; color:#F5F3FF; font-size:15px;
    position:relative; z-index:2;
    margin-bottom:20px;
  }
  .ai-step h3{ font-family:'Fraunces', serif; font-size:17.5px; color:#F5F3FF; font-weight:600; margin:0 0 8px; }
  .ai-step p{ font-size:14px; color:#C9C3EE; margin:0; max-width:26ch; }

  .ai-note{
    margin-top:56px;
    display:flex; gap:16px; align-items:flex-start;
    background:rgba(183,173,255,0.08);
    border:1px solid rgba(183,173,255,0.25);
    border-radius: var(--radius-md);
    padding:22px 26px;
    max-width:760px;
  }
  .ai-note svg{ flex:none; width:26px; height:26px; margin-top:2px; }
  .ai-note p{ margin:0; font-size:14.5px; color:#DAD6F5; }

  /* ---------- KONTAKTY ---------- */
  .contact .wrap{
    display:grid; grid-template-columns:1fr 0.9fr; gap:64px;
  }
  .contact-details{ display:grid; gap:22px; margin-top:8px; }
  .contact-item{ display:flex; gap:16px; align-items:flex-start; }
  .contact-item svg{ flex:none; width:24px; height:24px; margin-top:3px; }
  .contact-item h3{ font-family:'Inter',sans-serif; font-size:14.5px; font-weight:600; margin:0 0 4px; text-transform:uppercase; letter-spacing:.04em; color:var(--ink-soft); }
  .contact-item a, .contact-item span{ font-size:16px; text-decoration:none; color:var(--ink); }
  .contact-item a:hover{ color:var(--teal-deep); }

  .contact-card{
    background:var(--paper-card);
    border:1px solid var(--line);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding:34px;
  }
  .contact-card h3{ font-size:20px; font-weight:600; margin:0 0 6px; }
  .contact-card p{ color:var(--ink-soft); font-size:14.5px; margin:0 0 22px; }
  .contact-card .meta{
    font-family:'IBM Plex Mono', monospace;
    font-size:12.5px; color:var(--ink-soft);
    border-top:1px solid var(--line);
    padding-top:16px; margin-top:20px;
    display:grid; gap:6px;
  }

  /* ---------- FOOTER ---------- */
  footer{ border-top:1px solid var(--line); padding:40px 0; }
  footer .wrap{
    display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:16px;
  }
  footer .fine{ font-size:13px; color:var(--ink-soft); }
  footer .foot-links{ display:flex; gap:22px; list-style:none; margin:0; padding:0; }
  footer .foot-links a{ font-size:13.5px; text-decoration:none; color:var(--ink-soft); }
  footer .foot-links a:hover{ color:var(--teal-deep); }

  /* ---------- REVEAL ---------- */
  .reveal{ opacity:0; transform:translateY(18px); transition:opacity .6s ease, transform .6s ease; }
  .reveal.is-visible{ opacity:1; transform:none; }

  /* ---------- RESPONSIVE ---------- */
  @media (max-width: 980px){
    .hero .wrap{ grid-template-columns:1fr; }
    .hero-art{ order:-1; max-width:420px; }
    .about .wrap{ grid-template-columns:1fr; }
    .about-art{ order:-1; max-width:460px; }
    .service-grid{ grid-template-columns:repeat(2,1fr); }
    .ai-flow{ grid-template-columns:repeat(2,1fr); row-gap:36px; }
    .ai-flow::before{ display:none; }
    .contact .wrap{ grid-template-columns:1fr; }
  }
  @media (max-width: 700px){
    .wrap{ padding:0 20px; }
    section{ padding:72px 0; }
    .nav-links{
      position:fixed; inset:76px 0 auto 0;
      background:var(--paper);
      flex-direction:column; align-items:flex-start;
      padding:22px 20px 26px;
      border-bottom:1px solid var(--line);
      transform:translateY(-130%);
      transition:transform .28s ease;
      gap:18px;
    }
    .nav-links.open{ transform:translateY(0); }
    .nav-cta .btn-ghost{ display:none; }
    .burger{
      display:flex; flex-direction:column; justify-content:center; gap:5px;
      width:38px; height:38px; border-radius:10px; border:1.5px solid var(--ink);
      background:transparent; cursor:pointer;
    }
    .burger span{ width:16px; height:2px; background:var(--ink); margin:0 auto; }
    .service-grid{ grid-template-columns:1fr; }
  }