:root{
  --bg:#0c0f14; --bg2:#0b0d12; --card:#121723; --text:#e9ecf2; --muted:#a5afc7;
  --brand:#53e0a6; --brand2:#7bdcff; --ring:#86e7ff;
  --max:1120px; --shadow:0 10px 30px rgba(0,0,0,.35);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,system-ui,Segoe UI,Roboto,Arial,sans-serif;color:var(--text);background:radial-gradient(1200px 600px at 10% -10%,rgba(83,224,166,.08),transparent),radial-gradient(1200px 600px at 90% -10%,rgba(123,220,255,.08),transparent),var(--bg2)}
.container{max-width:var(--max);margin:0 auto;padding:0 20px}
/* NAV */
.site-header{position:sticky;top:0;z-index:50;background:linear-gradient(180deg,rgba(18,23,35,.92),rgba(18,23,35,.65));backdrop-filter:saturate(130%) blur(8px);border-bottom:1px solid rgba(255,255,255,.05)}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);text-decoration:none;font-weight:700}
.brand-logo{height:28px;width:auto;display:block;filter:drop-shadow(0 2px 6px rgba(0,0,0,.35))}
.menu{display:flex;gap:20px}
.menu a{color:var(--text);text-decoration:none;opacity:.85;padding:8px 10px;border-radius:10px}
.menu a:hover{opacity:1;background:rgba(255,255,255,.04)}
.burger{display:none;background:none;border:1px solid rgba(255,255,255,.15);color:var(--text);padding:8px 12px;border-radius:12px}
@media (max-width:860px){
  .menu{position:fixed;inset:72px 0 auto 0;background:rgba(12,15,20,.98);backdrop-filter:blur(6px);padding:16px 20px;border-bottom:1px solid rgba(255,255,255,.06);display:none;flex-direction:column}
  .menu.open{display:flex}
  .burger{display:block}
}
/* HERO */
.hero{position:relative;background:radial-gradient(1200px 500px at 20% 0%,rgba(124,222,255,.10),transparent),radial-gradient(1200px 500px at 80% 0%,rgba(83,224,166,.10),transparent),var(--bg)}
.hero--glow::before{content:"";position:absolute;inset:-20% -10% auto -10%;height:60%;background:conic-gradient(from 140deg at 50% 50%,rgba(123,220,255,.15),rgba(83,224,166,.15),transparent 70%);filter:blur(60px);pointer-events:none}
.hero-inner{padding:90px 0 46px;text-align:center}
.hero-logo-wrap{display:flex;justify-content:center;margin-bottom:14px}
.hero-logo{height:64px;width:auto;opacity:.95;filter:drop-shadow(0 6px 24px rgba(123,220,255,.25))}
.hero h1{font-size:clamp(30px,4.6vw,48px);line-height:1.08;margin:8px 0 10px}
.hero p{color:var(--muted);max-width:760px;margin:0 auto 22px}
.hero-bullets{display:flex;gap:18px;flex-wrap:wrap;color:var(--muted);padding:0;margin:14px 0 0;list-style:none;justify-content:center}
/* BUTTONS */
.btn{display:inline-block;padding:12px 18px;border-radius:14px;text-decoration:none;font-weight:600;border:1px solid rgba(255,255,255,.12);transition:transform .12s ease, box-shadow .2s ease}
.btn.primary{background:linear-gradient(90deg,var(--brand),var(--brand2));color:#06131a;border:0;box-shadow:0 6px 24px rgba(123,220,255,.25)}
.btn.primary:hover{transform:translateY(-1px);box-shadow:0 8px 32px rgba(123,220,255,.35)}
.btn.ghost{color:var(--text);background:rgba(255,255,255,.03)}
.btn.ghost:hover{transform:translateY(-1px);box-shadow:0 6px 18px rgba(0,0,0,.25)}
/* SECTIONS */
.section{padding:68px 0}
.section.alt{background:linear-gradient(180deg,rgba(255,255,255,.03),transparent 60%),var(--card);border-top:1px solid rgba(255,255,255,.06);border-bottom:1px solid rgba(255,255,255,.06)}
.section--glass{background:linear-gradient(180deg,rgba(255,255,255,.02),transparent),transparent}
.section h1,.section h2{margin:0 0 16px}
.muted{color:var(--muted)}
.grid-2{display:grid;grid-template-columns:1.1fr .9fr;gap:28px}
@media (max-width:900px){.grid-2{grid-template-columns:1fr}}
.card{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);border-radius:18px;padding:18px;box-shadow:var(--shadow)}
.card--glow{position:relative}
.card--glow::after{content:"";position:absolute;inset:-1px;pointer-events:none;border-radius:inherit;background:linear-gradient(180deg,rgba(123,220,255,.25),rgba(83,224,166,.18),rgba(0,0,0,0));filter:blur(14px);opacity:.7}
.stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:10px}
.stats div{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.07);border-radius:12px;padding:10px;text-align:center}
.stats strong{font-size:22px;display:block}
.stats span{color:var(--muted);font-size:12px}
/* SERVICES */
.cards{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
@media (max-width:1100px){.cards{grid-template-columns:repeat(2,1fr)}}
@media (max-width:620px){.cards{grid-template-columns:1fr}}
.cards--hover .service{position:relative;overflow:hidden;transition:transform .15s ease, box-shadow .2s ease}
.cards--hover .service::before{content:"";position:absolute;inset:0;background:radial-gradient(400px 200px at 0% 0%,rgba(123,220,255,.06),transparent);opacity:.6;transition:opacity .2s ease}
.cards--hover .service:hover{transform:translateY(-3px);box-shadow:0 12px 34px rgba(0,0,0,.35)}
.service{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);padding:16px;border-radius:16px}
.service h3{margin:0 0 6px;font-size:18px}
.service p{margin:0;color:var(--muted)}
/* GALLERY */
.masonry{columns:4 280px; column-gap:12px}
.masonry-item{display:block;position:relative;margin:0 0 12px;border-radius:12px;overflow:hidden;border:1px solid rgba(255,255,255,.08)}
.masonry img{width:100%;display:block;transition:transform .2s ease, filter .2s ease}
.masonry-item:hover img{transform:scale(1.02);filter:brightness(1.05)}
/* LIGHTBOX */
.lb-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.88);display:none;align-items:center;justify-content:center;padding:20px;z-index:100}
.lb-backdrop.active{display:flex}
.lb-img{max-width:min(1200px,90vw);max-height:90vh;border-radius:12px;border:1px solid rgba(255,255,255,.12);box-shadow:var(--shadow)}
.lb-close{position:fixed;top:14px;right:14px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);border-radius:12px;padding:8px 12px;color:var(--text);cursor:pointer}
/* CONTACT + FOOTER */
.contact-list{list-style:none;padding:0;margin:0 0 16px}
.contact-list li{margin:6px 0}
.map-wrap{position:relative;aspect-ratio:16/9;border-radius:16px;overflow:hidden;border:1px solid rgba(255,255,255,.08)}
.map-wrap iframe{width:100%;height:100%;border:0}
.site-footer{padding:18px 0;border-top:1px solid rgba(255,255,255,.08);background:rgba(0,0,0,.35);backdrop-filter:blur(2px)}
.footer-inner{display:flex;align-items:center;justify-content:space-between}
.to-top{color:var(--text);text-decoration:none;opacity:.75}
@media (prefers-reduced-motion: reduce){*{animation:none!important;transition:none!important}}
a {
  color: white;
  text-decoration: none;
}
.map-wrap {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%; /* proporcje 16:9 */
  height: 0;
  overflow: hidden;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,.08);
}

.map-wrap iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}