*{margin:0;padding:0;box-sizing:border-box;font-family:'Poppins',sans-serif;}

body{
  background: linear-gradient(120deg,#0072ec,#2c2c2c);
  color:#fff;
    overflow-x:hidden;

}

/* HEADER */
header{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:20px 40px;
  background:rgba(0,0,0,0.4);
  backdrop-filter:blur(10px);
}

.logo{
  font-size:22px;
  font-weight:600;
}

nav a{
  margin-left:20px;
  text-decoration:none;
  color:#fff;
  font-size:14px;
}

/* HERO UPGRADE */
.hero{
  padding:120px 20px;
  text-align:center;
  position:relative;
   overflow:hidden;
  max-width:100%;
}

*{
  max-width:100%;
}

/* background glow */
.hero::before{
  content:'';
  position:absolute;
  width:400px;
  height:400px;
  background:#00c6ff;
  filter:blur(120px);
  top:-100px;
  left:-100px;
  opacity:0.3;
}

.hero::before,
.hero::after{
  max-width:100%;
  overflow:hidden;
}

.hero::after{
  content:'';
  position:absolute;
  width:400px;
  height:400px;
  background:#0072ec;
  filter:blur(120px);
  bottom:-100px;
  right:-100px;
  opacity:0.3;
}

.hero-content{
  position:relative;
  z-index:2;
  max-width:800px;
  margin:auto;
}

.hero h1{
  font-size:48px;
  line-height:1.2;
}

.hero h1 span{
  color:#00c6ff;
}

.hero p{
  margin-top:15px;
  font-size:18px;
  opacity:0.85;
}

/* BUTTONS */
.hero-buttons{
  margin-top:25px;
}

.btn{
  display:inline-block;
  padding:14px 28px;
  border-radius:30px;
  text-decoration:none;
  font-weight:600;
  margin:5px;
}

.btn.primary{
  background:#00c6ff;
  color:#000;
}

.btn.secondary{
  border:1px solid #fff;
  color:#fff;
}

/* CONTENT CARD */
.container{
  max-width:1100px;
  margin:auto;
  margin-top:30px;
  background:rgba(255,255,255,0.1);
  backdrop-filter:blur(15px);
  padding:50px;
  border-radius:20px;
}

h2{
  margin-top:35px;
  margin-bottom:15px;
}

p{
  line-height:1.8;
  margin-bottom:15px;
  opacity:0.95;
}

/* FOOTER */
footer{
  margin-top:40px;
  padding:30px;
  text-align:center;
  background:rgba(0,0,0,0.5);
  font-size:14px;
}


/* BLOCK BASE */
.block{
  margin-bottom:50px;
  transition:0.3s;
}

/* FADE ANIMATION */
.fade{
  opacity:0;
  transform:translateY(20px);
  animation:fadeUp 0.8s ease forwards;
}

@keyframes fadeUp{
  to{
    opacity:1;
    transform:translateY(0);
  }
}

/* INTRO */
.intro{
  border-left:4px solid #00c6ff;
  padding-left:15px;
}

/* FEATURES */
.feature-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:15px;
  margin-top:15px;
}

.feature-grid div{
  background:rgba(255,255,255,0.12);
  padding:15px;
  border-radius:10px;
  transition:0.3s;
}

.feature-grid div:hover{
  transform:translateY(-5px);
}

/* STEPS */
.step{
  display:flex;
  align-items:center;
  margin-bottom:10px;
  background:rgba(0,0,0,0.3);
  padding:12px;
  border-radius:10px;
}

.step span{
  width:30px;
  height:30px;
  background:#00c6ff;
  color:#000;
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  margin-right:10px;
}

/* HIGHLIGHT */
.highlight{
  background:rgba(0,198,255,0.2);
  padding:20px;
  border-radius:15px;
}

/* LIST */
.list li{
  margin-bottom:10px;
}

/* CARDS */
.cards{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:15px;
}

.card{
  background:rgba(255,255,255,0.1);
  padding:20px;
  border-radius:15px;
  text-align:center;
  transition:0.3s;
}

.card:hover{
  transform:translateY(-6px);
}

/* FAQ */
details{
  margin-bottom:10px;
  padding:10px;
  background:rgba(255,255,255,0.1);
  border-radius:10px;
  cursor:pointer;
}















/* ============================= */
/* RESPONSIVE DESIGN START */
/* ============================= */

/* TABLET (768px) */
@media (max-width: 768px){

  header{
    flex-direction:column;
    padding:15px 20px;
  }

  nav{
    margin-top:10px;
  }

  nav a{
    margin:0 10px;
    font-size:13px;
  }

  .hero{
    padding:80px 15px;
  }

  .hero h1{
    font-size:32px;
  }

  .hero p{
    font-size:16px;
  }

  .container{
    padding:30px 20px;
  }

  .feature-grid{
    grid-template-columns:1fr;
  }

  .cards{
    grid-template-columns:1fr 1fr;
  }
}


/* MOBILE (480px) */
@media (max-width: 480px){

  header{
    padding:15px;
  }

  .logo{
    font-size:18px;
  }

  nav{
    display:flex;
    flex-wrap:wrap;
    justify-content:center;
  }

  nav a{
    margin:5px;
    font-size:12px;
  }

  .hero{
    padding:60px 10px;
  }

  .hero h1{
    font-size:24px;
  }

  .hero p{
    font-size:14px;
  }

  .hero-buttons{
    display:flex;
    flex-direction:column;
  }

  .btn{
    width:100%;
    text-align:center;
  }

  .container{
    padding:20px 15px;
  }

  h2{
    font-size:20px;
  }

  p{
    font-size:14px;
  }

  .cards{
    grid-template-columns:1fr;
  }

  .step{
    flex-direction:row;
    align-items:flex-start;
  }

  .step span{
    min-width:25px;
    height:25px;
    font-size:12px;
  }

}


/* LARGE SCREEN (1200px+) */
@media (min-width: 1200px){

  .container{
    max-width:1200px;
  }

  .hero h1{
    font-size:54px;
  }

}