:root{
    --bg:#151518; --panel:#1c1c20; --ink:#ececec; --muted:#8f8f8a; --line:#2c2c31;
    --serif:'Playfair Display',Georgia,serif; --sans:'Jost','Helvetica Neue',Arial,sans-serif;
    --track-k:.25em; --track-ui:.18em;
    --pad:clamp(20px,5vw,80px);
  }
  *{box-sizing:border-box}
  html,body{margin:0}
  body{background:var(--bg);color:var(--ink);font-family:var(--sans);font-weight:400;line-height:1.55;-webkit-font-smoothing:antialiased}
  a{color:inherit;text-decoration:none}
  a:focus-visible,button:focus-visible,.proj:focus-visible,.pv-imgs img:focus-visible{outline:2px solid #ececec;outline-offset:3px}
  .wrap{max-width:1400px;margin:0 auto;padding:0 var(--pad)}

  header{position:fixed;top:0;left:0;right:0;z-index:50;background:linear-gradient(to bottom,rgba(10,10,12,.6),rgba(10,10,12,0));transition:background .35s,backdrop-filter .35s}
  header.solid{background:rgba(21,21,24,.82);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
  .bar{display:flex;align-items:center;justify-content:space-between;height:84px}
  .brand{display:flex;align-items:center}
  .brand-logo{display:block;height:34px;width:auto}
  .foot-base .brand-logo{height:24px}
  .pv-bar .brand-logo{height:24px}
  @media(max-width:640px){.brand-logo{height:26px}}
  nav{display:flex;align-items:center;gap:clamp(18px,2.4vw,34px);font-size:12px;letter-spacing:var(--track-ui);text-transform:uppercase;color:#c9c9c4}
  nav a{white-space:nowrap}
  nav a:hover{color:#fff}
  nav .nav-social{display:flex;align-items:center;gap:12px;margin-left:-14px}
  nav .nav-social-link{width:22px;height:22px;display:grid;place-items:center;color:#c9c9c4}
  nav .nav-social-link:hover{color:#fff}
  nav .nav-social-link svg{width:16px;height:16px;display:block;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
  nav .nav-social-link[href*="facebook"] svg{fill:currentColor;stroke:none}
  .nav-social,.social-links{display:none!important}


  @media(max-width:640px){
    .bar{flex-direction:column;height:auto;padding:14px 0 12px;gap:10px}
    nav{justify-content:center;flex-wrap:wrap;gap:10px 22px;font-size:11px}
    nav .nav-social{margin-left:0}
  }

  /* HERO z tlem */
  .hero{position:relative;min-height:84vh;display:flex;align-items:flex-end;overflow:hidden;border-bottom:1px solid var(--line)}
  .hero-bg{position:absolute;inset:0;z-index:0}
  .hero-bg img{width:100%;height:100%;object-fit:cover;display:block;transform:scale(1.03);animation:heroZoom 18s ease-out forwards;filter:brightness(.84)}
  @keyframes heroZoom{to{transform:scale(1.12)}}
  .hero::after{content:"";position:absolute;inset:0;z-index:1;
    background:linear-gradient(180deg,rgba(11,11,14,.5) 0%,rgba(11,11,14,.1) 28%,rgba(11,11,14,.52) 62%,rgba(11,11,14,.97) 100%),
               linear-gradient(90deg,rgba(11,11,14,.72) 0%,rgba(11,11,14,.2) 42%,rgba(11,11,14,0) 70%)}
  .hero-inner{position:relative;z-index:2;width:100%;padding-top:120px;padding-bottom:clamp(44px,7vw,88px)}
  .hero .k{font-size:12px;letter-spacing:var(--track-k);text-transform:uppercase;color:#f2f1ea;margin-bottom:24px;text-shadow:0 1px 14px rgba(0,0,0,.7)}
  .hero h1{font-family:var(--serif);font-weight:500;font-size:clamp(36px,6.4vw,84px);line-height:1.05;margin:0;letter-spacing:-.01em;color:#fff;
    text-wrap:balance;text-shadow:0 2px 26px rgba(0,0,0,.6),0 1px 3px rgba(0,0,0,.5)}
  .hero p{max-width:52ch;color:#f0efe9;font-size:clamp(15px,1.4vw,18px);margin:24px 0 0;text-shadow:0 1px 10px rgba(0,0,0,.7),0 1px 2px rgba(0,0,0,.5)}
  @media(prefers-reduced-motion:reduce){.hero-bg img{animation:none;transform:none}.proj img,.pv-imgs img{transition:none}}

  .section-k{font-size:12px;letter-spacing:var(--track-k);text-transform:uppercase;color:var(--muted);
    padding:clamp(48px,7vw,90px) 0 26px;display:flex;justify-content:space-between;align-items:baseline}
  .section-k h2{font:inherit;font-size:inherit;font-weight:400;letter-spacing:inherit;margin:0}

  /* siatka realizacji: jednolite kafelki 2 kol.; nieparzysty ostatni wyśrodkowany */
  .grid{display:grid;grid-template-columns:repeat(2,1fr);gap:clamp(22px,3vw,48px) clamp(18px,2.4vw,36px)}
  @media(max-width:720px){.grid{grid-template-columns:1fr}}
  .proj{cursor:pointer}
  .proj .frame{position:relative;aspect-ratio:3/2;overflow:hidden;background:#222}
  .proj img{width:100%;height:100%;object-fit:cover;display:block;filter:brightness(.92);
    transition:transform .8s cubic-bezier(.2,.7,.2,1),filter .5s}
  .proj:hover img{transform:scale(1.04);filter:brightness(1.04)}
  .proj .cap{padding:16px 2px 0}
  .proj .cap h3{font-family:var(--serif);font-weight:500;font-size:clamp(19px,1.8vw,23px);line-height:1.3;margin:0}
  .proj .cap-desc{margin:7px 2px 0;color:var(--muted);font-size:13.5px;line-height:1.55;max-width:58ch;
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
  .proj .badge{position:absolute;top:14px;right:16px;font-size:11px;letter-spacing:var(--track-ui);text-transform:uppercase;
    color:#fff;background:rgba(0,0,0,.35);backdrop-filter:blur(4px);padding:5px 10px;opacity:0;transition:.4s}
  .proj:hover .badge{opacity:1}
  .proj.solo{grid-column:1 / -1;justify-self:center;width:calc(50% - clamp(9px,1.2vw,18px))}
  @media(max-width:720px){.proj.solo{width:100%}}

  /* Wideo */
  .motion{margin-top:clamp(70px,10vw,140px);border-top:1px solid var(--line);padding:clamp(56px,8vw,110px) 0;scroll-margin-top:120px}
  .motion-head{display:grid;grid-template-columns:1fr 1.25fr;gap:clamp(30px,6vw,90px);align-items:start;margin-bottom:clamp(30px,5vw,58px)}
  .motion .k{font-size:12px;letter-spacing:var(--track-k);text-transform:uppercase;color:var(--muted)}
  .motion h2{font-family:var(--serif);font-weight:500;font-size:clamp(24px,3.4vw,42px);margin:0;line-height:1.18;text-wrap:balance}
  .motion p{color:#c9c9c3;font-size:16px;max-width:62ch;margin:22px 0 0;line-height:1.75}
  .video-showcase{display:grid;grid-template-columns:repeat(2,minmax(280px,520px));justify-content:center;align-items:start;gap:clamp(30px,3.8vw,54px) clamp(24px,3.2vw,48px)}
  .video-item{margin:0;width:100%}
  .video-frame{position:relative;overflow:hidden;background:#222;border:1px solid var(--line)}
  .video-frame-wide{width:100%;aspect-ratio:16/9}
  .video-frame-square{width:min(100%,clamp(260px,28vw,320px));aspect-ratio:1/1}
  .video-frame iframe{position:absolute;inset:0;width:100%;height:100%;border:0;display:block}
  .video-poster{position:absolute;inset:0;width:100%;height:100%;padding:0;border:0;background:#222;color:#fff;cursor:pointer;display:block;overflow:hidden;font:inherit;text-align:left}
  .video-poster img{width:100%;height:100%;object-fit:cover;display:block;filter:brightness(.88);transition:transform .8s cubic-bezier(.2,.7,.2,1),filter .35s}
  .video-poster:hover img{transform:scale(1.025);filter:brightness(.98)}
  .video-poster::after{content:"";position:absolute;inset:0;background:rgba(0,0,0,.08);pointer-events:none}
  .play-mark{position:absolute;left:20px;bottom:20px;z-index:2;width:0;height:0;border-left:18px solid rgba(255,255,255,.92);border-top:11px solid transparent;border-bottom:11px solid transparent;filter:drop-shadow(0 2px 10px rgba(0,0,0,.55));transition:border-left-color .25s,transform .25s}
  .video-poster:hover .play-mark{border-left-color:#fff;transform:scale(1.08)}
  .play-mark::before{content:"";position:absolute;left:-23px;top:-16px;width:34px;height:34px;border:1px solid rgba(255,255,255,.18);opacity:0;transition:opacity .25s}
  .video-item h3{font-family:var(--serif);font-weight:500;font-size:clamp(19px,1.8vw,23px);line-height:1.3;margin:16px 2px 0}
  .video-meta{color:#aaa9a2;font-size:14px;line-height:1.55;margin:7px 2px 0;max-width:42ch}
  body.video-open{overflow:hidden}
  .video-lightbox{position:fixed;inset:0;z-index:80;display:grid;place-items:center;padding:clamp(18px,4vw,48px);background:rgba(0,0,0,.88);opacity:0;visibility:hidden;transition:opacity .25s,visibility .25s}
  .video-lightbox.on{opacity:1;visibility:visible}
  .video-lightbox-stage{position:relative;width:min(92vw,calc(86vh * var(--video-ratio,1.777777778)));aspect-ratio:var(--video-ratio,1.777777778);max-height:86vh;background:#000;border:1px solid rgba(255,255,255,.18);box-shadow:0 30px 90px rgba(0,0,0,.45)}
  .video-lightbox-stage iframe{position:absolute;inset:0;width:100%;height:100%;border:0;display:block}
  .video-lightbox-close{position:fixed;right:clamp(18px,3vw,34px);top:clamp(18px,3vw,34px);z-index:81;width:44px;height:44px;border:0;background:none;color:#fff;font-size:34px;font-weight:300;line-height:1;cursor:pointer;opacity:.86}
  .video-lightbox-close:hover{opacity:1}
  @media(max-width:900px){
    .video-showcase{grid-template-columns:minmax(0,640px)}
    .video-frame-square{width:min(100%,360px)}
  }
  @media(max-width:720px){
    .motion-head,.video-showcase{grid-template-columns:1fr}
    .video-frame-square{width:min(100%,320px)}
    .motion-head{gap:26px}
  }

  /* O nas / oferta */
  .studio{margin-top:clamp(70px,10vw,140px);border-top:1px solid var(--line);padding:clamp(56px,8vw,110px) 0;
    display:grid;grid-template-columns:1fr 1.25fr;gap:clamp(30px,6vw,90px);align-items:start}
  @media(max-width:720px){.studio{grid-template-columns:1fr;gap:26px}}
  .studio .k{font-size:12px;letter-spacing:var(--track-k);text-transform:uppercase;color:var(--muted)}
  .studio h2{font-family:var(--serif);font-weight:500;font-size:clamp(24px,3.4vw,42px);margin:0;line-height:1.18;text-wrap:balance}
  .studio p{color:#c9c9c3;font-size:16px;max-width:62ch;margin:22px 0 0;line-height:1.75}
  .offer-list{list-style:none;margin:26px 0 0;padding:0;display:grid;gap:24px}
  .offer-list h3{font-family:var(--serif);font-weight:500;font-size:clamp(18px,1.7vw,22px);line-height:1.3;margin:0}
  .offer-list p{margin:6px 0 0;color:var(--muted);font-size:15px;line-height:1.6;max-width:60ch}

  footer{border-top:1px solid var(--line);padding:clamp(50px,7vw,90px) 0}
  .foot{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px}
  @media(max-width:720px){.foot{grid-template-columns:1fr}}
  .foot h2{font-family:var(--serif);font-weight:500;font-size:clamp(24px,3.4vw,40px);line-height:1.15;margin:0;max-width:14ch;text-wrap:balance}
  .foot b{display:block;font-size:11px;letter-spacing:var(--track-ui);text-transform:uppercase;color:var(--muted);margin-bottom:10px}
  .foot a{border-bottom:1px solid #444;padding-bottom:2px}
  .foot-base{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px 20px;margin-top:clamp(40px,6vw,66px);padding-top:26px;border-top:1px solid var(--line);color:var(--muted);font-size:12px;letter-spacing:var(--track-ui);text-transform:uppercase}
  .foot-base .cpy{color:var(--muted)}

  .social-links{display:flex;align-items:center;gap:12px}
  .social-link{width:34px;height:34px;display:grid;place-items:center;color:#cfcfca;transition:color .2s,opacity .2s}
  .social-link:hover{color:#fff;opacity:1}
  .social-link svg{width:17px;height:17px;display:block;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
  .social-link[href*="facebook"] svg{fill:currentColor;stroke:none}
  @media(max-width:520px){.foot-base{align-items:flex-start}.social-links{order:3;width:100%;padding-top:4px}}

  /* PROJECT overlay (case-study) */
  #proj{position:fixed;inset:0;z-index:200;background:var(--bg);display:none;overflow-y:auto}
  #proj.on{display:block}
  .pv-bar{position:sticky;top:0;z-index:6;display:flex;align-items:center;justify-content:space-between;
    height:72px;padding:0 var(--pad);background:rgba(21,21,24,.8);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
  .pv-bar .nav-mini{display:flex;gap:16px;align-items:center}
  .pv-bar .nav-mini button{background:none;border:0;color:#cfcfca;cursor:pointer;font:inherit;font-size:12px;letter-spacing:var(--track-ui);text-transform:uppercase;white-space:nowrap}
  .pv-bar .nav-mini button:hover{color:#fff}
  @media(max-width:640px){.pv-bar .brand-logo{display:none}.pv-bar{justify-content:flex-end}.pv-bar .nav-mini{gap:12px}.pv-bar .nav-mini button{font-size:11px}}
  .pv-bar .nav-mini .pv-close{font-size:26px;letter-spacing:0;line-height:1}
  .pv-head{padding:clamp(28px,4vw,48px) var(--pad) clamp(22px,3vw,38px);max-width:1400px;margin:0 auto}
  .pv-head h2{font-family:var(--serif);font-weight:500;font-size:clamp(32px,5.4vw,64px);margin:0;line-height:1.06}
  .pv-head .pv-desc{max-width:62ch;margin:20px 0 0;color:#c9c9c3;font-size:clamp(15px,1.4vw,17px);line-height:1.7}
  .pv-imgs{max-width:1400px;margin:0 auto;padding:0 var(--pad) clamp(60px,9vw,120px);display:flex;flex-direction:column;gap:clamp(12px,1.8vw,22px)}
  .pv-imgs img{display:block;background:#222;cursor:zoom-in;transition:opacity .3s}
  .pv-imgs img:hover{opacity:.9}
  .pv-imgs .full img{width:100%;max-height:86vh;object-fit:cover}
  .pv-imgs .pair{display:grid;grid-template-columns:1fr 1fr;gap:clamp(12px,1.8vw,22px)}
  .pv-imgs .pair img{width:100%;height:100%;aspect-ratio:3/2;object-fit:cover}
  .pv-imgs .trio{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(12px,1.8vw,22px)}
  .pv-imgs .trio img{width:100%;aspect-ratio:3/2;object-fit:cover}
  @media(max-width:720px){.pv-imgs .pair,.pv-imgs .trio{grid-template-columns:1fr}}

  /* --- podstrony realizacji --- */
  .subpage{padding-top:84px}
  @media(max-width:640px){.subpage{padding-top:132px}}
  .pv-head h1{font-family:var(--serif);font-weight:500;font-size:clamp(32px,5.4vw,64px);margin:0;line-height:1.06}
  .pv-back{max-width:1400px;margin:0 auto;padding:clamp(24px,3vw,34px) var(--pad) 0}
  .pv-back a{font-size:12px;letter-spacing:var(--track-ui);text-transform:uppercase;color:var(--muted)}
  .pv-back a:hover{color:var(--ink)}
  .pv-nav{max-width:1400px;margin:0 auto;padding:clamp(30px,4vw,50px) var(--pad) clamp(60px,9vw,110px);
    display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line)}
  .pv-nav a{font-size:12px;letter-spacing:var(--track-ui);text-transform:uppercase;color:var(--muted)}
  .pv-nav a:hover{color:var(--ink)}