*{
    margin:0;
    padding: 0;
    font-family:'Poppins',sans-serif;      
      }
    
.header {
    min-height: 100vh;
    width: 100%;
    background-image: linear-gradient(rgba(4,9,30,0.7),rgba(4,9,40,0.7)),url(Denisa/senzorial.png);
background-position: center;
background-size: cover;
position: relative;
}

nav{
    display: flex;
    padding: 2% 6%;
    justify-content: space-between;
    align-items:center;
}

nav img{
    width: 200px;
}
.nav-links{
    flex: 1;
    text-align: right;

}
.nav-links ul li{
    list-style:none;
    display:inline-block;
    padding: 8px 12px;
    position:relative;
}

.nav-links ul li a {
    color: #fff;
    text-decoration:none;
    font-size: 13px;
}
.nav-links ul li::after{
    content:'';
    width: 0%;
    height: 2px;
    background: #f44336;
    display: block;
    margin: auto;
    transition: 0.5s;
}
.nav-links ul li:hover::after {
    width: 100%;
}
.text-box{
    width: 90%;
    color: #fff;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
text-align: center;
}
.text-box h1 {
    font-size: 62px;
    animation: slideRight 1s ease forwards;
    animation-delay: 1s;
    transition: .5s ease;
    
}
.text-box p {
    margin: 10px 0 40px;
    font-size: 14px;
    color: #fff;
    animation: slideRight 1s ease forwards;
    animation-delay: 1s;
    transition: .5s ease;
}
.hero-btn  {
    display:inline-block;
    text-decoration:  none;
    color: #fff;
    border: 1px solid #fff;
    padding: 12px 34px;
    font-size: 13px;
    background: transparent;
    position: relative;
    cursor: pointer;
    animation: slideRight 1s ease forwards;
    animation-delay: 1s;
    transition: .5s ease;

}
.hero-btn:hover {

    border: 1px solid #f44336;
    background: #f44336;
    transition: 1s;
}

nav .fa {
    display: none;
}

@media(max-width: 700px){

    .text-box h1{
        font-size: 20px;
    }
    .nav-links ul li{
        display: block;
    }


.nav-links{
    position: absolute;
    background: #f44336;
    height: 100vh;
    width: 200px;
    top:0;
    right: -200px;
    text-align: left;
    z-index: 2;
    transition: 1s;
} 
nav .fa{
    display: block;
    color: #fff;
    margin: 10px;
    font-size: 22px;
    cursor: pointer;

}

.nav-links ul {
    padding: 30px;
}
}

 /* ----- course -----*/

 .course {

    width: 80%;
    margin: auto;
    text-align: center;
    padding-top: 100px;
 }

 h1{
    font-size: 36px;
    font-weight: 600;
 }

 p{
color: #777;
font-size: 14px;
font-weight: 300;
line-height: 22px;
padding: 10px;
 }

 .row{
    margin-top: 5%;
    display: flex;
    justify-content: space-between;
 }
 
 .course-col{
    flex-basis: 31%;
    background: #fff3f3;
    border-radius: 10px;
    margin-bottom: 5%;
    padding: 20px 12px;
    box-sizing: border-box;
    transition: 0.5s;
    
 }

 h3{
    text-align: center;
    font-weight: 600;
    margin: 10px 0;
 }

 .course-col:hover{

    box-shadow:  0 0 20px 0px rgba(0,0,0,0.2);
 }

 @media(max-width: 700px){
    .row{
        flex-direction: column;
        display: flex; /* Enables flexbox */
    justify-content: space-between; /* Adjust spacing between items */
    gap: 20px; 
    }
 }


 .campus{
    width: 80%;
    margin: auto;
    text-align: center;
    padding-top: 50px;
 }

 .campus-col{
    flex-basis: 31%;
    border-radius: 10px;
    margin-bottom: 5%;
    border-radius: 10px;
    position: relative;
    overflow: hidden;

 }

 .campus-col img{
    max-width: 100%; /* Ensures images are responsive */
  height: auto;
  flex-basis: 32%;
  border-radius: 10px;
  margin-bottom: 30px;
  position: relative;
  overflow: hidden;
 }

 .layer{
    background: transparent;
    height: 93%;
    width: 100%;
    position: absolute;
    top: 0px;
    left: 0px;
    transition: 0.5s;
    border-radius: 10px;
 }

 .layer:hover {
    background: rgba(226,0,0,0.7);
 }

 .layer h3{
    width: 100%;
    font-weight: 500;
    color: #fff;
    font-size: 26px;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    position: absolute;
    opacity: 0;
    transition: 0.5s;
 }

 .layer:hover h3{
    bottom: 49%;
    opacity: 1;
 }

 @media (max-width: 100px) {
.layer {
    left: 60px;
    bottom: 10px;
} 
 }

 .facilities {
    width: 80%;
    margin:auto;
    text-align: center;
    padding-top: 50px;
 }
 .facilities-col{
    flex-basis: 31%;
    border-radius: 10px;
    margin-bottom: 5%;
    text-align: left;
 }

 .facilities-col img{
    width:100%;
    border-radius: 10px;
 }

 .facilities-col p{
    padding: 0;
 }

 .facilities-col h3{
margin-top: 16px;
margin-bottom: 15px;
text-align: left;
 }

 .testimonials {
    width: 80%;
    margin: auto;
    padding-top: 100px;
    text-align: center;
 }

 .testimonial-col{
    flex-basis: 44%;
    border-radius: 5%;
    text-align: left;
    background: #fff3f3;
    padding: 25px;
    cursor: pointer;
    display: flex;
 }

 .testimonial-col img{

    height: 40px;
    margin-left: 5px;
    margin-right: 30px;
    border-radius: 50%;
 }

 .testimonial-col p{
    padding: 0;
 }

 .testimonial-col h3{
    margin-top: 15px;
    text-align: left;
 }

 .testimonial-col .fa{
    color: #f44336; 
 }

 @media(max-width: 700px) {
    .testimonial-col img{
        margin-left: 0px;
        margin-right: 15px;
    }
 }

 .cta{
    margin: 100px auto;
    width: 80%;
    background-image: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)),url(Denisa/Denisa3.jpeg);
    background-position: center;
    background-size: cover;
    border-radius: 10px;
    text-align: center;
    padding: 100px 0;
 }

 .cta h1 {
    color: #fff;
    margin-bottom: 40px;
    padding: 0;
 }

 @media(max-width: 700px)
 {
    .cta h1{
        font-size: 24px;;
    }
 }

 .footer{
    width: 100%;
    text-align: center;
    padding: 30px 0;
 }

 .footer h4{
    margin-bottom: 25px;
    margin-top: 20px;
    font-weight: 600;
 }

 .icons .fa{
    color: #f44336;
    margin: 0 13px;
    cursor: pointer;
    padding: 18px 0;
 }

 .fa-heart-o {
    color: #f44336;   
 }

/* Rotire la hover pentru toate imaginile din .campus și .facilities */
.facilities-col img:hover {
    transform: rotate(10deg);
    transition: transform 0.5s ease-in-out;
}
.gray-effect {
    filter: grayscale(100%);
    transition: filter 0.5s ease;
}

.gray-effect:hover {
    filter: grayscale(0%);
}

/* about me */

.sub-header {
   height: 50vh;
   width: 100%;
   background-image: linear-gradient(rgba(4,9,30,0.7),rgba(4,9,30,0.7)),url(Denisa/make.jpeg);
   background-position: center;
   background-size: cover;
   text-align: center;
   color: #fff;
}

.sub-header h1{

   margin-top: 100px;
}

.about-me{
   width: 80%;
   margin: auto;
   padding-top: 80px;
   padding-bottom: 50px;
}

.about-col{
flex-basis: 48%;
padding: 30px 2px;

}

.about-col1 img{
width: 100%;
}

.about-col h1{
   padding-top: 0;
}

.about-col p{
   padding: 15px 0 25px;
}

.red-btn{
   border: 1px solid #f44336;
   background: transparent;
   color: #f44336;
}

.red-btn:hover{
color: #fff;
}

#topBtn {
  display: none;
  position: fixed;
  bottom: 20px;
  right: 30px;
  z-index: 99;
  font-size: 18px;
  border: none;
  outline: none;
  background-color: #f44336;
  color: white;
  cursor: pointer;
  padding: 15px;
  border-radius: 4px;
}
#topBtn:hover {
  background-color: #555;
}