*{
  margin:0;
  padding:0;
  box-sizing:border-box;
  font-family:Arial,sans-serif;
}

html{
  scroll-behavior:smooth;
}

body{
  background:#0b0b0b;
  color:white;
}

/* HERO */

.hero{
  position:relative;
  min-height:100vh;
  overflow:hidden;
}

/* SLIDER */

.hero-slider{
  position:absolute;
  inset:0;
  z-index:1;
}

.slide{
  position:absolute;

  width:100%;
  height:100%;

  object-fit:cover;

  opacity:0;

  animation:slider 16s infinite;
}

.slide:nth-child(1){
  animation-delay:0s;
}

.slide:nth-child(2){
  animation-delay:4s;
}

.slide:nth-child(3){
  animation-delay:8s;
}

.slide:nth-child(4){
  animation-delay:12s;
}

@keyframes slider{

  0%{
    opacity:0;
  }

  10%{
    opacity:1;
  }

  25%{
    opacity:1;
  }

  35%{
    opacity:0;
  }

  100%{
    opacity:0;
  }

}

/* OVERLAY */

.overlay{
  position:absolute;
  inset:0;

  background:rgba(0,0,0,.72);

  z-index:2;
}

/* NAVBAR */

nav{
  position:relative;
  z-index:10;

  display:flex;
  justify-content:space-between;
  align-items:center;

  padding:20px 10%;
}

.logo{
  width:230px;
}

.call-btn{
  background:gold;
  color:black;

  padding:14px 25px;

  border-radius:12px;

  text-decoration:none;

  font-weight:bold;

  transition:.3s;
}

.call-btn:hover{
  transform:scale(1.05);

  box-shadow:0 0 25px rgba(255,215,0,.5);
}

/* HERO CONTENT */

.hero-content{
  position:relative;
  z-index:10;

  text-align:center;

  padding-top:120px;
}

.hero-content h1{
  font-size:70px;

  line-height:1.1;

  margin-bottom:25px;

  text-shadow:0 0 20px rgba(0,0,0,.7);
}

.hero-content p{
  font-size:24px;

  color:#ddd;

  margin-bottom:40px;
}

/* BUTTONS */

.buttons a{
  display:inline-block;

  margin:10px;

  padding:16px 35px;

  background:gold;
  color:black;

  border-radius:12px;

  text-decoration:none;

  font-weight:bold;

  transition:.3s;
}

.buttons a:hover{
  transform:translateY(-5px);

  box-shadow:0 0 25px rgba(255,215,0,.5);
}

/* HERO CARDS */

.hero-boxes{
  display:grid;

  grid-template-columns:
  repeat(auto-fit,minmax(220px,1fr));

  gap:20px;

  margin-top:70px;

  padding:0 10%;
}

.hero-card{
  backdrop-filter:blur(12px);

  background:rgba(25,25,25,.75);

  padding:30px;

  border-radius:18px;

  border:1px solid rgba(255,255,255,.1);

  font-size:22px;

  box-shadow:0 10px 30px rgba(0,0,0,.4);

  transition:.3s;
}

.hero-card:hover{
  transform:translateY(-10px);

  border-color:gold;

  box-shadow:0 15px 40px rgba(255,215,0,.2);
}

/* SERVICES */

.services{
  padding:110px 10%;

  animation:fadeUp 1s ease;
}

.services h2{
  text-align:center;

  font-size:50px;

  margin-bottom:60px;
}

.service-grid{
  display:grid;

  grid-template-columns:
  repeat(auto-fit,minmax(260px,1fr));

  gap:25px;
}

.card{
  backdrop-filter:blur(12px);

  background:rgba(25,25,25,.75);

  padding:40px;

  border-radius:20px;

  border:1px solid #252525;

  box-shadow:0 10px 30px rgba(0,0,0,.4);

  transition:.3s;
}

.card:hover{
  transform:translateY(-10px);

  border-color:gold;

  box-shadow:0 15px 40px rgba(255,215,0,.2);
}

.card h3{
  color:gold;

  margin-bottom:15px;

  font-size:26px;
}

.card p{
  color:#ccc;

  line-height:1.7;
}

/* WHY */

.why-us{
  padding:110px 10%;

  background:#111;

  animation:fadeUp 1s ease;
}

.why-us h2{
  text-align:center;

  font-size:50px;

  margin-bottom:60px;
}

.why-grid{
  display:grid;

  grid-template-columns:
  repeat(auto-fit,minmax(250px,1fr));

  gap:25px;
}

.why-card{
  backdrop-filter:blur(12px);

  background:rgba(25,25,25,.75);

  padding:35px;

  border-radius:20px;

  text-align:center;

  border:1px solid #292929;

  font-size:22px;

  box-shadow:0 10px 30px rgba(0,0,0,.4);

  transition:.3s;
}

.why-card:hover{
  transform:translateY(-10px);

  border-color:gold;

  box-shadow:0 15px 40px rgba(255,215,0,.2);
}

/* CONTACT */

.contact{
  padding:110px 10%;

  text-align:center;

  animation:fadeUp 1s ease;
}

.contact h2{
  font-size:50px;

  margin-bottom:40px;
}

.contact p{
  font-size:24px;

  margin:20px 0;

  color:#ddd;
}

/* FOOTER */

footer{
  background:black;

  text-align:center;

  padding:30px;

  color:#888;
}

/* WHATSAPP */

.whatsapp{
  position:fixed;

  right:20px;
  bottom:20px;

  background:#25D366;

  color:white;

  padding:16px 24px;

  border-radius:50px;

  text-decoration:none;

  font-weight:bold;

  z-index:999;

  box-shadow:0 0 20px rgba(0,0,0,.4);
}

/* PHONE */

.phone-fixed{
  position:fixed;

  left:20px;
  bottom:20px;

  background:gold;

  color:black;

  padding:16px 24px;

  border-radius:50px;

  text-decoration:none;

  font-weight:bold;

  z-index:999;

  box-shadow:0 0 25px rgba(0,0,0,.4);

  transition:.3s;
}

.phone-fixed:hover{
  transform:scale(1.05);
}

/* ANIMATION */

@keyframes fadeUp{

  from{
    opacity:0;
    transform:translateY(40px);
  }

  to{
    opacity:1;
    transform:translateY(0);
  }

}

/* MOBILE */

@media(max-width:768px){

  nav{
    flex-direction:column;

    gap:20px;
  }

  .logo{
    width:180px;
  }

  .hero-content{
    padding-top:80px;
  }

  .hero-content h1{
    font-size:40px;
  }

  .hero-content p{
    font-size:18px;

    padding:0 20px;
  }

  .buttons a{
    width:90%;
  }

  .services h2,
  .why-us h2,
  .contact h2{
    font-size:36px;
  }

  .hero-boxes{
    padding:0 20px;
  }

}