/* GOOGLE FONT */

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800&display=swap');

/* RESET */

*{
  margin:0;
  padding:0;
  box-sizing:border-box;
  scroll-behavior:smooth;
}

/* BODY */

body{
  font-family:'Poppins',sans-serif;
  background:#020617;
  color:#fff;
  overflow-x:hidden;
  line-height:1.6;
}

/* SCROLLBAR */

::-webkit-scrollbar{
  width:10px;
}

::-webkit-scrollbar-track{
  background:#0f172a;
}

::-webkit-scrollbar-thumb{
  background:#06b6d4;
  border-radius:20px;
}

/* HEADER */

header{
  background:
  linear-gradient(
    90deg,
    rgba(15,23,42,0.95),
    rgba(2,6,23,0.95)
  );

  backdrop-filter:blur(12px);

  padding:25px 20px;
  text-align:center;

  border-bottom:
  1px solid rgba(255,255,255,0.08);

  position:sticky;
  top:0;
  z-index:999;
}

header h1{
  font-size:42px;
  font-weight:800;
  color:#22d3ee;
  letter-spacing:1px;
}

header p{
  margin-top:10px;
  color:#cbd5e1;
  font-size:18px;
}

/* NAVBAR */

nav{
  display:flex;
  justify-content:center;
  align-items:center;
  gap:40px;

  background:rgba(15,23,42,0.8);

  backdrop-filter:blur(15px);

  padding:18px;

  position:sticky;
  top:108px;
  z-index:998;

  border-bottom:
  1px solid rgba(255,255,255,0.05);
}

nav a{
  color:#e2e8f0;
  text-decoration:none;
  font-weight:600;
  font-size:17px;
  position:relative;
  transition:0.3s;
}

nav a:hover{
  color:#22d3ee;
}

nav a::after{
  content:'';
  position:absolute;
  left:0;
  bottom:-6px;
  width:0%;
  height:2px;
  background:#22d3ee;
  transition:0.3s;
}

nav a:hover::after{
  width:100%;
}

.active-link{
  color:#22d3ee;
}

/* HERO */

.hero{
  min-height:100vh;

  background:
  linear-gradient(
    rgba(2,6,23,0.82),
    rgba(2,6,23,0.82)
  ),
  url('https://static.vecteezy.com/system/resources/thumbnails/074/236/850/small/professional-air-conditioner-repair-technician-using-screwdriver-for-split-system-maintenance-photo.jpg');

  background-size:cover;
  background-position:center;

  display:flex;
  flex-direction:column;
  justify-content:center;
  align-items:center;

  text-align:center;

  padding:120px 20px;
}

.hero h1{
  font-size:72px;
  font-weight:800;
  max-width:900px;
  line-height:1.1;

  background:
  linear-gradient(
    to right,
    #fff,
    #67e8f9
  );

  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;

  margin-bottom:25px;
}

.hero p{
  font-size:24px;
  color:#cbd5e1;
  margin-bottom:40px;
}

.highlight{
  color:#22d3ee;
  font-weight:700;
}

/* BUTTON */

.btn{
  display:inline-block;

  background:
  linear-gradient(
    135deg,
    #06b6d4,
    #2563eb
  );

  color:white;
  text-decoration:none;

  padding:16px 34px;

  border-radius:14px;

  font-size:18px;
  font-weight:600;

  margin:10px;

  transition:0.35s ease;

  box-shadow:
  0 10px 25px rgba(6,182,212,0.3);
}

.btn:hover{
  transform:translateY(-4px) scale(1.03);

  box-shadow:
  0 15px 35px rgba(6,182,212,0.45);
}

/* SECTION */

section{
  padding:100px 20px;
}

/* CARD */

.card{
  max-width:1200px;
  margin:auto;

  background:
  rgba(15,23,42,0.85);

  border:
  1px solid rgba(255,255,255,0.08);

  border-radius:30px;

  padding:45px;

  backdrop-filter:blur(15px);

  box-shadow:
  0 20px 40px rgba(0,0,0,0.35);

  opacity:0;
  transform:translateY(50px);

  transition:1s ease;
}

.card.active{
  opacity:1;
  transform:translateY(0);
}

.card h2{
  font-size:42px;
  margin-bottom:20px;
  color:#22d3ee;
}

.card p{
  color:#cbd5e1;
  font-size:18px;
}

/* SERVICES */

.services-list{
  display:grid;

  grid-template-columns:
  repeat(auto-fit,minmax(250px,1fr));

  gap:28px;

  margin-top:45px;
}

.service-box{
  background:
  linear-gradient(
    145deg,
    rgba(30,41,59,0.9),
    rgba(15,23,42,0.95)
  );

  border:
  1px solid rgba(255,255,255,0.08);

  padding:35px 25px;

  border-radius:24px;

  text-align:center;

  transition:0.4s ease;

  opacity:0;
  transform:translateY(50px);
}

.service-box.active{
  opacity:1;
  transform:translateY(0);
}

.service-box:hover{
  transform:
  translateY(-10px)
  scale(1.03);

  border-color:#22d3ee;

  box-shadow:
  0 20px 40px rgba(34,211,238,0.15);
}

.service-box h3{
  font-size:24px;
  margin-bottom:16px;
  color:white;
}

.price{
  color:#22d3ee;
  font-size:22px;
  font-weight:700;
}

/* IMAGES */

img{
  width:100%;
  border-radius:24px;

  margin-top:28px;

  transition:0.4s ease;

  border:
  1px solid rgba(255,255,255,0.06);
}

img:hover{
  transform:scale(1.02);
}

/* CONTACT */

.contact p{
  margin:16px 0;
  font-size:19px;
}

.contact a{
  color:#67e8f9;
  text-decoration:none;
}

/* FOOTER */

footer{
  background:#0f172a;

  text-align:center;

  padding:35px;

  margin-top:60px;

  border-top:
  1px solid rgba(255,255,255,0.08);

  color:#94a3b8;
}

/* FLOATING WHATSAPP */

.floating-whatsapp{
  position:fixed;

  bottom:25px;
  right:25px;

  width:65px;
  height:65px;

  background:#25d366;

  color:white;

  display:flex;
  align-items:center;
  justify-content:center;

  border-radius:50%;

  font-size:30px;

  text-decoration:none;

  box-shadow:
  0 10px 30px rgba(37,211,102,0.45);

  z-index:999;

  opacity:0;
  visibility:hidden;

  transition:0.4s ease;
}

.show-whatsapp{
  opacity:1;
  visibility:visible;
}

.floating-whatsapp:hover{
  transform:scale(1.1);
}

/* BACK TO TOP */

.back-to-top{
  position:fixed;

  bottom:100px;
  right:28px;

  width:50px;
  height:50px;

  border:none;

  border-radius:50%;

  background:#06b6d4;

  color:white;

  font-size:22px;

  cursor:pointer;

  opacity:0;
  visibility:hidden;

  transition:0.4s ease;

  z-index:999;
}

.show-top{
  opacity:1;
  visibility:visible;
}

.back-to-top:hover{
  transform:translateY(-4px);
}

/* MOBILE */

@media(max-width:768px){

  header h1{
    font-size:30px;
  }

  header p{
    font-size:15px;
  }

  nav{
    flex-wrap:wrap;
    gap:20px;
    top:90px;
  }

  nav a{
    font-size:15px;
  }

  .hero{
    padding:100px 20px;
  }

  .hero h1{
    font-size:42px;
  }

  .hero p{
    font-size:18px;
  }

  .btn{
    width:100%;
    max-width:320px;
  }

  .card{
    padding:30px 22px;
  }

  .card h2{
    font-size:30px;
  }

  .service-box{
    padding:28px 20px;
  }

  .floating-whatsapp{
    width:58px;
    height:58px;
    font-size:28px;
  }
}