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

body{
  background: linear-gradient(135deg,#4facfe,#00f2fe);
}

/* HEADER */
header{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:15px 30px;
  background:linear-gradient(135deg,#4facfe,#00f2fe);
  position:sticky;
  top:0;
  z-index:1000;
}

.logo img{
  height:55px;
}

nav ul{
  display:flex;
  list-style:none;
  gap:25px;
}

nav ul li a{
  text-decoration:none;
  color:white;
  font-size:17px;
}

.menu-toggle{
  display:none;
  font-size:28px;
  color:white;
  cursor:pointer;
}

/* BANNER */
.banner{
  width:100%;
  height:60vh;
  position:relative;
  overflow:hidden;
}

.slider{
  width:100%;
  height:100%;
}

.slide{
  position:absolute;
  width:100%;
  height:100%;
  object-fit:cover;
  opacity:0;
  transition:opacity 1s ease;
}

.slide.active{
  opacity:1;
}

/* TEXT */
.banner-text{
  position:absolute;
  top:50%;
  left:50%;
  transform:translate(-50%,-50%);
  background:rgba(0,0,0,0.5);
  color:white;
  padding:20px 30px;
  border-radius:10px;
  text-align:center;
}

.banner-text h1{
  font-size:32px;
  margin-bottom:10px;
}

.banner-text p{
  font-size:18px;
}

/* DOT */
.dots{
  position:absolute;
  bottom:20px;
  left:50%;
  transform:translateX(-50%);
  display:flex;
  gap:10px;
}

.dot{
  width:12px;
  height:12px;
  background:white;
  border-radius:50%;
  opacity:0.5;
}

.dot.active{
  opacity:1;
  background:#00c6ff;
}

/* ABOUT */
.about{
  padding:60px 10%;
  color:white;
}

.about-container{
  display:flex;
  gap:40px;
  align-items:center;
}

.about img{
  width:100%;
  max-width:400px;
  border-radius:10px;
}

/* COURSES */
.courses{
  padding:60px 10%;
  text-align:center;
  color:white;
}

.course-box{
  display:flex;
  gap:20px;
  margin-top:30px;
}

/* ✅ REMOVE FRAME (UPDATED) */
.box{
  background:transparent;
  padding:0;
  border-radius:0;
  flex:1;
  transition:0.3s;
  box-shadow:none;
}

/* IMAGE ONLY */
.box img{
  width:100%;
  height:auto;
  display:block;
  border-radius:15px;
}

/* HOVER CLEAN */
.box:hover{
  transform:scale(1.05);
}

/* GALLERY */
.gallery{
  padding:60px 10%;
  text-align:center;
  color:white;
}

.gallery h2{
  margin-bottom:30px;
}

/* GRID */
.gallery-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:15px;
}

/* IMAGE */
.gallery-grid img{
  width:100%;
  aspect-ratio:1/1;
  object-fit:cover;
  border-radius:12px;
  transition:0.3s;
}

.gallery-grid img:hover{
  transform:scale(1.05);
}

/* CONTACT */
.contact-section{
  padding:80px 20px;
  text-align:center;
  color:black;
}

.contact-container{
  max-width:900px;
  margin:auto;
  background:white;
  padding:40px;
  border-radius:15px;
  display:flex;
  gap:40px;
  flex-wrap:wrap;
}

.telegram-btn{
  padding:15px 30px;
  background:linear-gradient(45deg,#0088cc,#00c6ff);
  color:white;
  text-decoration:none;
  border-radius:10px;
  font-size:18px;
}

/* FOOTER */
footer{
  background:#0c2d57;
  color:white;
  text-align:center;
  padding:20px;
}

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

  .menu-toggle{
    display:block;
  }

  nav{
    position:absolute;
    top:70px;
    right:0;
    background:#00c6ff;
    width:200px;
    display:none;
  }

  nav ul{
    flex-direction:column;
    padding:20px;
  }

  nav.active{
    display:block;
  }

  .banner{
    height:40vh;
  }

  .banner-text{
    width:90%;
    padding:15px;
  }

  .banner-text h1{
    font-size:20px;
  }

  .banner-text p{
    font-size:14px;
  }

  .about-container{
    flex-direction:column;
  }

  .course-box{
    flex-direction:column;
  }

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

  .contact-container{
    flex-direction:column;
  }

}