*{
    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(4,9,30,0.7)),url(images/csdep.jpeg);
      background-position: center;
      background-size: cover ;
      position: relative;

}
nav{
    display: flex;
    padding: 2% 6%;
    justify-content: space-between;
    align-items: center;
}
nav img{
    width: 100px;
}
.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: 18px;
}
.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: 46px;
 
}
.text-box p{
    margin: 10px 0 40px;
    font-size: 14px;
    color: #fff;
}
.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;
}
.hero-btn:hover{
    border: 1px solid #f44336;
    background: #f44336;
    transition: 1s;
}


@media(max-width: 700px){
    .text-box h1{
        font-size: 20px;
    }
    .nav-links ul li{
        display: block;
    }
    .nav-links {
        position: relative
        ;
        height: 100vh;
        width: 200px;
        top: 0;
        right: 0;
        text-align: left ;
        z-index: 2;
    }

}
.course{
    width: 80%;
    margin: auto;
    text-align: center;
    padding-top: 100px;
}
h1{
     font-size: 36px;
     font-weight: 600;
}
p{
    color: #777;
    font-size: 14px;
    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: 5px;
    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 0 rgba(0,0,0.2);
}
@media(max-width: 700px){
    .row {
        flex-direction: column;
    }
}
.facilities{
    width: 80%;
    margin: auto;
text-align: center;
padding-top: 100px;
}
.facility-col{
    flex-basis: 31%;
    border-radius: 10px;
    margin-bottom: 5%;
    text-align: left;
}
.facility-col img {
    width: 100%;
    border-radius: 10px;
}
.facility-col p{
     padding: 0%;    
}
.facility-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: 10px;
    margin-bottom: 5%;
    text-align: left;
    background-color: #fff3f3;
    padding: 25px;
    cursor: pointer;
    display: flex;
}
.testimonial-col img{
    height: 40px;
    margin-left: 5px;
    margin-right: 30px;
    border-radius: 50px;
}
.testimonial-col p{
    padding: 0%;
}
.testimonial-col h3{
    margin-top: 15px;
    text-align: left;
}
@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(images/sky.jpeg);
    background-position: center;
    background-size: cover;
    border-radius: 10px;
    text-align: center;
    padding: 100px;
}
.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;
}
.sub-header{
    height: 50vh;
    width: 100%;
    background-image: linear-gradient(rgba(4,9,30,0.7),rgba(4,9,30,0.7)),url(images/deptcs.jpg);
    background-position: center;
    background-size: cover;
    text-align: center;
    color: #fff;
}
.sub-header h1{
    margin-top: 100px;
}
.about-us{
    width: 80%;
    margin: auto;
    padding-top: 80px;
    padding-bottom: 50px;
}
.about-col{
    flex-basis: 48%;
    padding: 30px 2px;
}
.about-col img{
width: 100%;
}
.about-col h1{
    padding: 0%;
}
.about-col p{
    padding: 15px 0 25px;
} 
.red-btn{
    border: 1px solid #f44336;
    background: transparent;
    color: #f44336;
}
.red-btn:hover{
    color: #fff;
}
.location{
    width: 80%;
    margin: auto;
    padding: 80px 0;

}
.location iframe{
    width: 100%;
}
.contact-us{
    width: 80%;
    margin:auto ;    
}
.contact-col{
    flex-basis: 48%;
    margin-bottom: 30px;
}
.contact-col div{
    display: flex;
    align-items: center;
    margin-bottom: 40px;
}
.contact-col div .fa{
    font-size: 28px;
    color: #f44336;
    margin: 10px;
}
.contact-col div p{
    padding: 0;
}
.contact-col div h5{
    font-size: 20px;
    margin: 5px;
    color: #555 ;
    font-weight: 400;
}
.contact-col input, .contact-col textarea{
    width: 100%;
    padding: 15px;
    margin-bottom: 17px;
    outline: 1px solid #ccc;
    box-sizing: border-box;
}
.faculty{
    width: 80%;
    margin: auto;
text-align: center;
padding-top: 100px;
}
.faculty-col{
    flex-basis: 31%;
    border-radius: 10px;
    margin-bottom: 5%;
    text-align: left;
}
.faculty-col img{
    width: 95%;
    border-radius: 10px;
}
.faculty-col p{
    padding: 0%;
}
.faculty-col h3{
    margin-top: 16px;
    margin-bottom: 15px;
    text-align: left;
}
/* Enhanced Navigation Styles */
.nav-container {
    display: flex;
    align-items: center;
    gap: 30px;
    flex: 1;
}

.nav-links {
    flex: 1;
    text-align: center;
}

.nav-links ul {
    display: flex;
    justify-content: center;
    gap: 30px;
    list-style: none;
    margin: 0;
    padding: 0;
}

/* Auth Buttons in Navigation */
.auth-nav {
    display: flex;
    gap: 15px;
    align-items: center;
}

.auth-btn {
    background: #f44336;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 25px;
    cursor: pointer;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
    font-size: 14px;
}

.auth-btn:hover {
    background: #d63031;
    transform: scale(1.05);
    color: white;
    text-decoration: none;
}

.auth-btn.admin {
    background: #28a745;
}

.auth-btn.admin:hover {
    background: #218838;
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 24px;
    cursor: pointer;
}

/* Mobile Responsive */
@media(max-width: 768px) {
    .nav-container {
        width: 100%;
        justify-content: space-between;
    }

    .menu-toggle {
        display: block;
    }

    .nav-links {
        display: none;
        width: 100%;
        order: 3;
        margin-top: 20px;
    }

    .nav-links.active {
        display: block;
    }

    .nav-links ul {
        flex-direction: column;
        gap: 10px;
        background: rgba(0,0,0,0.8);
        padding: 20px;
        border-radius: 10px;
    }

    .auth-nav {
        order: 2;
    }
}

@media(max-width: 480px) {
    .auth-nav {
        flex-direction: column;
        gap: 10px;
    }

    .auth-btn {
        padding: 8px 16px;
        font-size: 12px;
    }
}