:root{
  --yellow:#ffd500;
  --black:#0f0f0f;
  --gray:#f4f4f4;
}
*{box-sizing:border-box;}
body{margin:0;font-family:'Segoe UI',Tahoma,sans-serif;background:white;color:var(--black);}

/* NAV CONTAINER */
nav .nav-container{
  display:flex;
  justify-content:space-between;
  align-items:center;
  max-width:1200px;
  margin:auto;
  padding:0 20px;
}

/* NAV LINKS (desktop) */
.nav-links{
  display:flex;
  gap:25px;
}
.nav-links a{color:white;text-decoration:none;font-weight:600;position:relative;}
.nav-links a::after{
  content:'';position:absolute;left:0;bottom:-5px;width:0;height:2px;background:var(--yellow);transition:0.3s;
}
.nav-links a:hover::after{width:100%;}

/* HAMBURGER TOGGLE */
.nav-toggle{
  display:none;
  font-size:28px;
  color:white;
  cursor:pointer;
}

/* RESPONSIVE */
@media (max-width: 768px){
  .nav-links{
    position:fixed;
    top:0;
    right:-100%;
    height:100vh;
    width:250px;
    background:var(--black);
    flex-direction:column;
    align-items: center; 
    padding-top:80px;
    gap:25px;
    transition: right 0.3s ease;
    z-index:999;
}

  .nav-links a{font-size:1.2rem;}

  .nav-links.active{right:0;}

  .nav-toggle{
    display:block;
  }
}
/* Header */
header{
  position:relative;
  min-height:90vh;
  color:white;
  display:flex;
  align-items:center;
  justify-content:center;
  text-align:center;
  padding:40px 20px;
  overflow:hidden;
  background-image: linear-gradient(120deg, rgba(0,0,0,0.75), rgba(0,0,0,0.55)), url('hero-monitoring.webp');
  background-attachment: fixed;
  background-position: center;
  background-size: cover;
  line-height: 1.2;
}
.fade-in{animation:fadeInUp 1s ease forwards;opacity:0;}
@keyframes fadeInUp{from{opacity:0;transform:translateY(20px);}to{opacity:1;transform:translateY(0);} }
header h1{font-size: clamp(2.8rem, 5.6vw, 4.4rem);margin-bottom: 18px;line-height:1.05;}
header h1 .yellow{color: var(--yellow);}
header p{max-width: 780px;font-size: 1.25rem;margin:auto;}
.cta-primary{background:var(--yellow);color:#000;padding:15px 30px;border-radius:30px;text-decoration:none;font-weight:700;margin-right:15px;display:inline-block;}
.cta-secondary{border:2px solid var(--yellow);color:var(--yellow);padding:15px 30px;border-radius:30px;text-decoration:none;font-weight:700;display:inline-block;}

/* Nav */
nav{
  position:sticky;
  top:0;
  z-index:10;
  background: var(--black);
  display:flex;
  justify-content:center;
  gap:25px;
  padding:15px;
}
nav a{color:white;text-decoration:none;font-weight:600;position:relative;}
nav a::after{content:'';position:absolute;left:0;bottom:-5px;width:0;height:2px;background:var(--yellow);transition:0.3s;}
nav a:hover::after{width:100%;}

/* Sekcje */
section{padding:80px 20px; max-width:1200px; margin:auto;}
h2{font-size: 2rem;margin-bottom:20px;position:relative;display:inline-block;}
h2::after{content:'';display:block;height:4px;width:100%;background:var(--yellow);margin-top:6px;border-radius:2px;}

.cards{display:grid;grid-template-columns: repeat(auto-fit,minmax(260px,1fr));gap:25px;margin-top:40px;}
.card{background:white;border-radius:20px;padding:30px;box-shadow:0 10px 30px rgba(0,0,0,0.1);position:relative;overflow:hidden;}
.card::before{content:'';position:absolute;top:0; left:0;width:100%;height:5px;background:var(--yellow);}
.icon{width:60px;height:60px;border-radius:50%;background:var(--yellow);display:flex;align-items:center;justify-content:center;font-weight:bold;margin-bottom:15px;}

.why{background:var(--gray);}

/* About */
.about{display:grid;grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));gap: 40px;align-items: center;}
.about-photo{
  height: 250px;border-radius:20px;position:relative;overflow:hidden;
  box-shadow:0 12px 35px rgba(0,0,0,0.18);
  background-image:url("images/about.webp");
  background-size:cover;background-position:center;
  transform: translateZ(0);
  transition: transform 0.35s ease;
}
.about-photo::before{
  content:"";position:absolute;inset:0;
  background: linear-gradient(120deg, rgba(0,0,0,0.70), rgba(0,0,0,0.25));
  transition: opacity 0.35s ease;
  opacity: 1;
}
.about-photo:hover{transform: scale(1.02);}
.about-photo:hover::before{opacity: 0.85;}
.about-overlay{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:flex-end;padding:22px;color:white;z-index:1;}
.about-title{font-size:1.95rem;font-weight:900;letter-spacing:0.5px;line-height:1.05;text-shadow:0 10px 25px rgba(0,0,0,0.55);}
.about-subtitle{margin-top:7px;font-size:1.06rem;font-weight:650;opacity:0.95;max-width:520px;text-shadow:0 10px 25px rgba(0,0,0,0.55);}

/* Gallery */
.gallery-groups{display:grid;grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));gap:20px;margin-top:40px;}
.group-card{border-radius:18px;overflow:hidden;box-shadow:0 10px 30px rgba(0,0,0,0.10);cursor:pointer;background:white;position:relative;}
.group-card img{width:100%;height:190px;object-fit:cover;display:block;transition: transform 0.35s ease;}
.group-card:hover img{transform: scale(1.05);}
.group-label{position:absolute;left:12px;bottom:12px;background: rgba(0,0,0,0.65);color:white;padding:8px 12px;border-radius:999px;font-weight:700;font-size:0.95rem;border:1px solid rgba(255,255,255,0.15);backdrop-filter: blur(6px);}
.btn-more{margin-top:22px;display:inline-block;background:var(--yellow);color:#000;padding:12px 25px;border-radius:30px;font-weight:bold;cursor:pointer;user-select:none;}

#modal-galleries{
  display:none;position:fixed;z-index:9999;left:0;top:0;width:100%;height:100%;
  background: rgba(0,0,0,0.72);
  align-items:center;justify-content:center;padding:18px;overflow:auto;
}
.modal-content{
  width:min(1100px,100%);max-height:86vh;background:white;border-radius:18px;
  padding:18px;overflow:auto;position:relative;box-shadow:0 20px 50px rgba(0,0,0,0.35);
}
.modal-header{display:flex;align-items:center;justify-content: space-between;gap:12px;margin-bottom:12px;}
.modal-title{font-weight:800;font-size:1.2rem;}
.modal-close{font-size:34px;font-weight:900;cursor:pointer;line-height:1;padding:0 8px;}
.modal-subtitle{margin-top:-6px;opacity:0.75;font-size:0.95rem;}

#lightbox{
  display:none;position:fixed;z-index:99999;left:0;top:0;width:100%;height:100%;
  background: rgba(0,0,0,0.92);
  align-items:center;justify-content:center;flex-direction: column;
}
#lightbox img{max-width:92%;max-height:80%;border-radius:12px;opacity:0;transition: opacity 0.4s ease;}
#lightbox .close{position:absolute;top:18px;right:28px;font-size:42px;color:white;cursor:pointer;}
#lightbox .prev,#lightbox .next{position:absolute;top:50%;font-size:54px;color:white;cursor:pointer;padding:12px;user-select:none;transform: translateY(-50%);}
#lightbox .prev{left:24px;}
#lightbox .next{right:24px;}
.lightbox-title{margin-top:16px;color:white;font-weight:700;font-size:1.05rem;opacity:0.9;}

/* Kontakt */
.contact-container{
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(220px, 1fr));
  gap:25px;
  margin-top:40px;
}

.contact-card{
  display:flex;
  align-items:center;
  background:var(--black);
  color:#fff;
  border-radius:20px;
  padding:10px 15px;
  box-shadow:0 8px 25px rgba(0,0,0,0.2);
  transition:transform 0.25s, box-shadow 0.25s;
  cursor:pointer;
}

.contact-card:hover{
  transform:translateY(-4px);
  box-shadow:0 15px 35px rgba(0,0,0,0.3);
}

.contact-icon{
  font-size:2rem;
  margin-right:15px;
  color:var(--yellow);
  flex-shrink:0;
}

.contact-info strong{
  display:block;
  font-size:1.05rem;
  margin-bottom:3px;
  color:var(--yellow);
}

.contact-info p{
  margin:0;
  font-size:0.95rem;
  line-height:1.3;
}

.facebook-card, .email-card{cursor:pointer;}
.facebook-card:hover, .email-card:hover{transform: translateY(-4px);box-shadow:0 15px 35px rgba(0,0,0,0.3);}

/* MODAL FORMULARZA */
#quote-modal{
  display:none;
  position:fixed;
  inset:0;
  z-index:100000;
  background: rgba(0,0,0,0.85);
  align-items:center;
  justify-content:center;
  padding:18px;
  overflow:auto;
}
.quote-content{
  width:min(760px, 100%);
  background:#fff;
  border-radius:18px;
  padding:20px;
  position:relative;
  box-shadow:0 20px 50px rgba(0,0,0,0.35);
}
.quote-close{
  position:absolute; top:10px; right:14px;
  font-size:34px; font-weight:900;
  cursor:pointer; line-height:1;
  padding:0 8px;
}
.quote-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:12px;
}
@media (max-width: 720px){
  .quote-grid{grid-template-columns:1fr;}
}
.q-input, .q-select, .q-textarea{
  width:100%;
  padding:12px 12px;
  border-radius:12px;
  border:1px solid rgba(0,0,0,0.15);
  outline:none;
  font-size:0.98rem;
}
.q-input:focus, .q-select:focus, .q-textarea:focus{border-color: rgba(0,0,0,0.35);}
.q-textarea{min-height:110px;resize:vertical;}
.q-actions{display:flex;align-items:center;gap:12px;margin-top:14px;flex-wrap:wrap;}
.q-btn{
  background:var(--yellow);
  border:none;
  padding:12px 24px;
  border-radius:999px;
  font-weight:800;
  cursor:pointer;
}
.q-msg{font-weight:700;}
.q-msg.ok{color:#1c8a3d;}
.q-msg.err{color:#b20000;}

footer{background:black;color:white;text-align:center;padding:25px;}

/* =========================
   MOBILE / RESPONSIVE
   ========================= */
@media (max-width: 768px){

  body{
    font-size: 16px;
    line-height: 1.5;
  }

  section{
    padding: 50px 16px;
  }

  header{
    min-height: 100vh;
    padding: 60px 16px;
    background-attachment: scroll;
  }

  header h1{
    font-size: 2.2rem;
  }

  header p{
    font-size: 1rem;
  }

  .btn,
  button{
    width: 100%;
    max-width: 100%;
    padding: 14px 18px;
    font-size: 1rem;
  }

  .grid,
  .columns,
  .services,
  .features{
    display: flex;
    flex-direction: column;
    gap: 20px;
  }

  .gallery{
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }

  .gallery img{
    height: auto;
    aspect-ratio: 1 / 1;
    object-fit: cover;
  }

  form{
    width: 100%;
  }

  form input,
  form textarea,
  form select{
    width: 100%;
    font-size: 16px;
    padding: 12px 14px;
  }

  form textarea{
    min-height: 120px;
  }

  h2{
    font-size: 1.6rem;
  }

  h3{
    font-size: 1.2rem;
  }
}

@media (max-width: 420px){
  header h1{
    font-size: 1.9rem;
  }

  .gallery{
    grid-template-columns: 1fr;
  }
}
 /* =========================
     LINKOWANE KAFELKI OFERTY
     ========================= */
.card-link{
  text-decoration: none;
  color: inherit;
  display: block;
  cursor: pointer;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.card-link:hover{
  transform: translateY(-4px);
  box-shadow: 0 15px 35px rgba(0,0,0,0.18);
}
/* ===== MODAL FORMULARZA MOBILNE ===== */
@media (max-width: 768px) {
  #quote-modal {
    align-items: flex-start;      
    padding-top: 30px;            
    padding-bottom: 30px;         
  }

  .quote-content {
    max-height: 90vh;             
    overflow-y: auto;             
    width: 95%;                    
    padding: 18px;                 
  }

  .quote-close {
    top: 10px;
    right: 14px;
    font-size: 34px;
    z-index: 10;                  
  }
}
.contact-info a {
    color: #ffffff;       /* białe */
    text-decoration: none; /* brak podkreślenia */
    transition: color 0.3s;
}

.contact-info a:hover {
    color: #ffd500; /* np. żółty przy hover, dla UX */
}