/*******************************/
/********* General CSS *********/
/*******************************/
*{
    margin:0;
    padding:0;
    box-sizing:border-box;
}

body{
    font-family:'Poppins',sans-serif;
    background:linear-gradient(45deg, #004372, #002034);
    color:#fff;
    overflow-x:hidden;
}

html{
    scroll-behavior:smooth;
}

/* NAVBAR */

.navbar{
    background:rgb(20, 49, 69);
    backdrop-filter:blur(14px);
    border-bottom:1px solid rgba(255,255,255,0.1);
}

.navbar-brand{
    font-size:30px;
    font-weight:700;
    color:#fff !important;
}

.nav-link{
    color:#fff !important;
    margin:0 5px;
    font-weight:500;
    transition:0.3s;
}

.nav-link:hover{
    color:#00d9ff !important;
}

/* HERO */

.hero{
    min-height:100vh;
    display:flex;
    align-items:center;
    position:relative;
    background:
    linear-gradient(rgba(7,18,31,.75),rgba(7,18,31,.85)),
    url('../img/bg.jpg') center/cover;
}

.hero-content h1{
    font-size:65px;
    font-weight:700;
    line-height:1.2;
}

.hero-content span{
    color:#00d9ff;
}

.hero-content p{
    margin-top:20px;
    font-size:18px;
    color:#d6d6d6;
}

.btn-main{
    padding:14px 34px;
    border:none;
    border-radius:50px;
    background:linear-gradient(45deg,#00d9ff,#005eff);
    color:#fff;
    font-weight:600;
    margin-top:25px;
    transition:0.4s;
}

.btn-main:hover{
    transform:translateY(-3px);
    box-shadow:0 10px 25px rgba(0,217,255,0.4);
}

.btn-main1{
    padding:4px 34px;
    border:none;
    border-radius:50px;
    background:linear-gradient(45deg,#00d9ff,#005eff);
    color:#fff;
    font-weight:600;
    /*margin-top:25px;*/
    transition:0.4s;
}

.btn-main1:hover{
    transform:translateY(-3px);
    box-shadow:0 10px 25px rgba(0,217,255,0.4);
}

/* SECTION */

.section{
    padding:100px 0;
}

.section-title{
    text-align:center;
    margin-bottom:60px;
}

.section-title h2{
    font-size:42px;
    font-weight:700;
}

.section-title p{
    color:#bcbcbc;
}

/* GLASS CARD */

.glass-card{
    background:rgba(255,255,255,0.07);
    border:1px solid rgba(255,255,255,0.1);
    backdrop-filter:blur(10px);
    border-radius:20px;
    padding:30px;
    height:100%;
    transition:0.4s;
}

.glass-card:hover{
    transform:translateY(-10px);
    border-color:#00d9ff;
}

.glass-card h4{
    color:#00d9ff;
    margin-bottom:15px;
}

/* TOPICS */

.topic-box{
    padding:25px;
    border-radius:18px;
    background:#0f1f35;
    transition:0.4s;
    height:100%;
}

.topic-box:hover{
    background:linear-gradient(45deg,#003366,#005eff);
    transform:translateY(-6px);
}

.topic-box h5{
    margin-bottom:15px;
    color:#00d9ff;
}

/* SPONSORS */

.sponsor-card{
    background:#0f1f35;
    border-radius:18px;
    padding:30px;
    text-align:center;
    transition:0.4s;
    height:100%;
}

.sponsor-card:hover{
    transform:translateY(-8px);
    background:linear-gradient(45deg,#005eff,#00d9ff);
}

.sponsor-card h3{
    font-size:22px;
    margin-bottom:10px;
}

.sponsor-card h2{
    font-size:34px;
    font-weight:700;
}

/* TABLE */

.table-custom{
    overflow:hidden;
    border-radius:20px;
}

.table{
    margin-bottom:0;
}

.table thead{
    background:#005eff;
}

.table tbody tr{
    background:#0f1f35;
}

/* CONTACT */

.contact-box{
    background:linear-gradient(45deg,#003366,#005eff);
    border-radius:30px;
    padding:50px;
    text-align:center;
}

footer{
    background:#050c16;
    padding:30px 0;
    text-align:center;
    color:#aaa;
}

@media(max-width:991px){

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

.section-title h2{
    font-size:34px;
}

}
.social-icons{
            display:flex;
            gap:20px;
            justify-content:center;
            align-items:center;
        }

        .social-icons a{
            width:50px;
            height:50px;
            border-radius:50%;
            display:flex;
            align-items:center;
            justify-content:center;
            text-decoration:none;
            font-size:30px;
            color:#fff;
            position:relative;
            overflow:hidden;
            transition:all 0.4s ease;
            box-shadow:0 10px 25px rgba(0,0,0,0.12);
        }

        /* Individual Colors */
        .facebook{
            background:#1877f2;
        }

        .instagram{
            background:linear-gradient(45deg,#f09433,#e6683c,#dc2743,#cc2366,#bc1888);
        }

        .twitter{
            background:#000;
        }

        .linkedin{
            background:#0a66c2;
        }

        .youtube{
            background:#ff0000;
        }

        /* Hover Effects */
        /*.social-icons a:hover{
            transform:translateY(-8px) scale(1.1);
            box-shadow:0 15px 35px rgba(0,0,0,0.25);
        }

        .social-icons a::before{
            content:"";
            position:absolute;
            width:120%;
            height:120%;
            background:rgba(255,255,255,0.2);
            top:100%;
            left:-100%;
            transform:rotate(25deg);
            transition:0.5s;
        }

        .social-icons a:hover::before{
            top:-20%;
            left:120%;
        }*/

        .card {
    transition: all 0.3s ease;
}

.card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 30px rgba(0,0,0,0.12);
}

/* Glow Background */
.glow{
    position:absolute;
    border-radius:50%;
    filter:blur(120px);
    opacity:0.25;
    animation: float 8s ease-in-out infinite;
}

.glow1{
    width:300px;
    height:300px;
    background:#2563eb;
    top:-100px;
    left:-100px;
}

.glow2{
    width:350px;
    height:350px;
    background:#9333ea;
    bottom:-120px;
    right:-100px;
}



/* Topic Item */
.topic-item{
    background: rgba(255,255,255,0.05);
    border:1px solid rgba(255,255,255,0.08);
    color:#fff;
    padding:16px 18px;
    border-radius:16px;
    font-size:15px;
    transition:0.3s ease;
    height:100%;
}

.topic-item i{
    color:#38bdf8;
    margin-right:10px;
}

.topic-item:hover{
    background:linear-gradient(135deg,#2563eb,#7c3aed);
    transform:translateY(-4px);
}

/* Icon Circle */
.icon-circle{
    width:65px;
    height:65px;
    border-radius:50%;
    background:linear-gradient(135deg,#2563eb,#7c3aed);
    display:flex;
    align-items:center;
    justify-content:center;
    color:#fff;
    font-size:28px;
    box-shadow:0 8px 25px rgba(59,130,246,0.4);
}

/* Submission Box */
.submission-box{
    background: linear-gradient(135deg,
                rgba(37,99,235,0.18),
                rgba(124,58,237,0.18));
    border:1px solid rgba(255,255,255,0.1);
    border-radius:24px;
    padding:35px;
    text-align:center;
    height:100%;
}

.btn-main3{
    background:linear-gradient(135deg,#2563eb,#7c3aed);
    color:#fff;
    border:none;
    padding:15px 20px;
    font-weight:600;
    transition:0.4s ease;
    box-shadow:0 10px 25px rgba(59,130,246,0.35);
}

.btn-main3:hover{
    transform:translateY(-3px);
    color:#fff;
}

.deadline-badge{
    display:inline-block;
    padding:10px 18px;
    border-radius:30px;
    background:rgba(255,255,255,0.08);
    color:#7dd3fc;
    font-size:14px;
    border:1px solid rgba(255,255,255,0.1);
}

/* Floating Animation */
@keyframes float{
    0%{
        transform:translateY(0px);
    }
    50%{
        transform:translateY(20px);
    }
    100%{
        transform:translateY(0px);
    }
}

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

    .display-5{
        font-size:2.2rem;
    }

    .glass-card{
        padding:25px !important;
    }

    .submission-box{
        padding:25px;
    }

}

.hero-slider {
        position: relative;
        overflow: hidden;
    }

    .hero-slider .carousel-item img {
        width: 100%;
        /*height: 100vh;*/
        object-fit: cover;
    }

    /* Dark Overlay */
    .hero-slider .overlay {
        position: absolute;
        inset: 0;
        background: rgba(0,0,0,0.25);
        z-index: 1;
    }

    /* Caption Styling */
    .hero-slider .carousel-caption {
        z-index: 2;
        bottom: 8%;
    }

    /* Smooth Animation */
    .carousel-item {
        transition: transform 1.2s ease-in-out;
    }

    /* Mobile Responsive */
    @media (max-width: 768px) {
        .hero-slider .carousel-item img {
            height: auto;
            /*min-height: 240px;*/
            object-fit: contain;
            background: #02142d;
        }

        .hero-slider .carousel-caption {
            bottom: 10px;
        }
    }

    /* Remove default icon background */
    .carousel-control-prev-icon,
    .carousel-control-next-icon {
        filter: brightness(0) invert(1);
    }

    .gradient-btn{
    background: linear-gradient(45deg,#0d6efd,#6610f2);
    border: none;
    color: #fff;
    font-weight: 600;
    border-radius: 50px;
    transition: 0.4s;
}

.gradient-btn:hover{
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.25);
    color:#fff;
}
.glass-btn{
    background: rgba(255,255,255,0.12);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.25);
    color: #fff;
    border-radius: 12px;
    transition: 0.4s;
}

.glass-btn:hover{
    background: rgba(255,255,255,0.2);
    transform: scale(1.05);
    color:#fff;
}
.neon-btn{
    background: transparent;
    color: #00f7ff;
    border: 2px solid #00f7ff;
    border-radius: 40px;
    font-weight: 600;
    transition: 0.4s;
    box-shadow: 0 0 10px #00f7ff;
}

.neon-btn:hover{
    background: #00f7ff;
    color: #000;
    box-shadow: 0 0 25px #00f7ff,
                0 0 50px #00f7ff;
}
.shadow-btn{
    background: #ff6b35;
    color: white;
    border: none;
    border-radius: 10px;
    font-weight: 600;
    box-shadow: 0 6px 0 #c94f24;
    transition: 0.2s;
}

.shadow-btn:hover{
    transform: translateY(3px);
    box-shadow: 0 3px 0 #c94f24;
    color:#fff;
}