:root {
    --main-color: #8e50e4;
    --black: #13131a;
    --bg: #010103;
    --border: .1rem solid rgba(255, 255, 255, .3);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Roboto', sans-serif;
    outline: none; 
    border: none;
    text-decoration: none;
    text-transform: capitalize;
    transition: 0.2s linear;
}

html {
    font-size: 62.5%;
    overflow-x: hidden;
    scroll-padding-top: 9rem;
    scroll-behavior: smooth;
}

html::-webkit-scrollbar {
    width: .8rem;
}

html::-webkit-scrollbar-track {
    background: transparent;
}

html::-webkit-scrollbar-thumb {
    background: #fff;
    border-radius: 5rem;
}

body {
    background: var(--bg);
}

section {
    padding: 1rem 7%;
}

.heading {
    text-align: center;
    color: #fff;
    text-transform: uppercase;
    padding-bottom: 3.5rem;
    font-size: 4rem;
}

.heading span {
    color: var(--main-color);
    text-transform: uppercase;
}

.header {
    background: #444;
    
    display: flex;
    justify-content: space-evenly;
    align-items: center;
    position: fixed;
    z-index: 10;
    width: 100%;
    transition: background-color 800ms cubic-bezier(0.64, 0.04, 0.26, 0.87);

    @media only screen and (max-width:600px){
        max-width: 100%;
    }
}

header.active {
    background-color: var(--black);
}

.header .logo img {
    height: 8rem;
    margin-inline: 1.5rem;
    width: 25rem;
    place-items: center;
    @media only screen and (max-width:600px){
        height: 6rem;
    }
}


.header .navbar a {
    margin: 0 1rem;
    font-size: 1.6rem;
    color: #fff;

    @media only screen and (max-width:600px){
        font-size: 1rem;;
        
    }
}

.header .navbar a:hover {
    color: var(--main-color);
    border-bottom: .1rem solid var(--main-color);
    padding-bottom: .5rem;
}

.header .icons div {
    color: #fff;
    cursor: pointer;
    font-size: 2.5rem;
    margin-left: 2rem;
}

.header .icons div:hover {
    color: var(--main-color);
}

.contact-btn {
    justify-content: space-between;
}

#menu-btn {
    display: none;
}

.home {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: url(bg.jpg) no-repeat;
    background-size: cover;
    background-position: center;
}

.home .content {
    max-width: 80rem;
}

.home .content h6 {
    font-size: 5rem;
    text-transform: capitalize;
    color: #fff;
    margin-top: 10rem;
    margin-left: 1rem;
    text-align: left;
}

.home .content h3 {
    font-size: 5rem;
    text-transform: uppercase;
    background: linear-gradient(90deg, #a560b2, #6e58a3, #6957b3, #a560b2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-top: 2rem;
    margin-left: 1.5rem;
    text-align: left;
}

.home .content p {
    font-size: 1.5rem;
    max-width: 60rem;
    font-weight: lighter;
    line-height: 1.8;
    padding: 1rem 0;
    color: #eee;
    margin-top: 2rem;
    margin-left: 2rem;
}

.btn {
    display: inline-block;
    background: var(--main-color);
    color: #fff;
    padding: 1.2rem 2.5rem; 
    border-radius: 5rem;
    font-size: 1.8rem; 
    text-align: center;
    transition: background 0.3s ease;
    border: none;
    margin: 0 1rem; 
}

.btn:hover {
    background: #5a21af;
}

.about .row {
    display: flex;
    align-items: center;
    background: var(--black);
    flex-wrap: wrap;
}

.about .row .image {
    flex: 1 1 45rem;
}

.about .row .image img {
    width: 100%;
}

.about .row .content {
    flex: 1 1 45rem;
    padding: 2rem;
    text-align: left; /
}

.about .row .content h3 {
    font-size: 3rem;
    color: #5a21af;
}

.about .row .content p {
    font-size: 1.6rem;
    color: #ccc;
    padding: 1rem 0;
    line-height: 1.8;
}

.registration {
    background: var(--bg);
    color: #090909;
    text-align: center;
    padding: 5rem 7%;
    border-radius: 1rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.registration h1 {
    font-size: 4rem;
    margin-bottom: 2rem;
}

.registration p {
    font-size: 1.6rem;
    margin-bottom: 2rem;
}

.registration-form {
    max-width: 600px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    padding: 2rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.form-group {
    margin-bottom: 1.5rem;
    text-align: left;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 1.4rem;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 1rem;
    border-radius: 5px;
    border: 1px solid #ccc;
    font-size: 1.4rem;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border: 1px solid var(--main-color);
}

.button-container {
    display: flex;
    justify-content: center;
    margin-top: 2rem; 
}

.knowmore {
    background: #222;
    color: #fff;
    padding: 3rem 7%;
    text-align: center;
}

.knowmore .heading {
    color: #fff;
}

.knowmore .content {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 2rem;
    padding-top: 2rem;
}

.knowmore .info-box {
    flex: 1 1 25rem;
    background: #333;
    padding: 2rem;
    border-radius: .5rem;
    text-align: center;
    transition: background 0.3s ease, transform 0.3s ease; 
}

.knowmore .info-box:hover {
    background: var(--main-color); 
    transform: scale(1.05); 
}

.knowmore .info-box i {
    font-size: 4rem;
    color: var(--main-color);
    margin-bottom: 1rem;
}

.knowmore .info-box h3 {
    font-size: 2.5rem;
    margin-bottom: .5rem;
}

.knowmore .info-box p {
    font-size: 1.5rem;
}

.contact .row {
    display: flex;
    background: var(--black);
    flex-wrap: wrap;
    gap: 1rem;
}

.contact .row .map {
    flex: 1 1 45rem;
    width: 100%;
    object-fit: cover;
}

.contact .row form {
    flex: 1 1 45rem;
    padding: 5rem 2rem;
    text-align: center;
}

.contact .row form h3 {
    text-transform: uppercase;
    font-size: 3.5rem;
    color: #fff;
}

.contact .row {
    color: var(--main-color)
}

.contact .row form .inputBox {
    display: flex;
    align-items: center;
    margin-top: 2rem;
    margin-bottom: 2rem;
    background: var(--bg);
    border: var(--border);
}

.contact .row form .inputBox span {
    color: #fff;
    font-size: 2rem;
    padding-left: 2rem;
}

.contact .row form .inputBox input {
    width: 100%;
    padding: 2rem;
    font-size: 1.7rem;
    color: #fff;
    text-transform: none;
    background: none;
}

.footer {
    background: black;
    text-align: center;
}

.footer .share {
    padding: 1rem 0;    
}

.footer .share a {
    height: 5rem;
    width: 5rem;
    line-height: 5rem;
    font-size: 2rem;
    color: #fff;   
    border: var(--border);
    margin: .3rem;
    border-radius: 50%;

    @media only screen and (max-width:600px){
        font-size: 1.5rem;
    }
}

.footer .share a:hover {
    background-color: var(--main-color);
}

.footer .links {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    padding: 2rem 0;
    gap: 1rem;
}

.footer .links a {
    font-size: 1.5rem;
    color: #fff;
    border-bottom: var(--border);
    padding-bottom: .5rem;
    margin: 0 1.5rem;

    @media only screen and (max-width:600px){
        font-size: 1rem;
    }
}

.footer .links a:hover {
    color: var(--main-color);
    border-bottom-color: var(--main-color);
}

.footer .credit {
    font-size: 2rem;
    color: #fff;
    padding: 2rem 1rem;
    margin: 1.5rem 0;
    border-top: var(--border);
}


.form-group {
    margin-bottom: 1.5rem;
    text-align: left;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 1.4rem;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 1rem;
    border-radius: 5px;
    border: 1px solid #ccc;
    font-size: 1.4rem;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border: 1px solid var(--main-color);
}


.countdown {
    text-align: center;
    font-size: 2rem;
    padding: 20px;
    background: linear-gradient(45deg, #d3acdb, #cec3e9, #afa5d8, #d3acdb);
    border-radius: 10px;
    margin: 20px auto;
    width: 60%;
}

.countdown div {
    display: inline-block;
    margin: 10px;
    font-weight: bold;
}

.countdown div span {
    display: block;
    font-size: 1.5rem;
    color: #333;
}

.register-link {
    display: inline-block;
    margin-top: 20px;
    padding: 10px 20px;
    background-color: #4CAF50;
    color: white;
    text-decoration: none;
    border-radius: 5px;
    font-size: 2rem;
}

.register-link:hover {
    transition-duration: 200ms;
    background: #5a21af;
}

#problem-statements {
    background: #222;
}
.problem-statements-list {
    padding: 50px 0;
    background: linear-gradient(135deg,  #e9defa 0%, #e8e9c5 100%); 
}


.problem-statements-list .heading {
    text-align: center;
    margin-bottom: 40px;
    font-size: 4rem;
    color: white;
    font-weight: bold;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.1);
}

.problem-statements-list .container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    padding: 0 20px;
}

.problem-statements-list .problem-card {
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    width: calc(33.333% - 40px);
    padding: 20px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    overflow: hidden; 
    position: relative; 
}

.problem-statements-list .problem-card h3 {
    font-size: 1.8rem;
    margin-bottom: 15px;
    color: #444;
}

.problem-statements-list .problem-card p {
    font-size: 1.6rem;
    color: #666;
    margin-bottom: 20px;
    text-align: left;
}

.problem-statements-list .problem-card ul{
    font-size: 1.6rem;
    color: #666;
    margin-bottom: 20px;
    text-align: left;
    padding-left: 1rem;
}

.problem-statements-list .problem-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0.1), rgba(0, 0, 0, 0.2));
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 0;
}

.problem-statements-list .problem-card:hover::before {
    opacity: 1;
}

.problem-statements-list .problem-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.2);
}

.problem-statements-list .problem-card:hover h3 {
    color: #4CAF50;
}

/* Responsive Styles */
@media (max-width: 768px) {
    .problem-statements-list .problem-card {
        width: calc(50% - 20px);
    }
}

@media (max-width: 480px) {
    .problem-statements-list .problem-card {
        width: 100%;
    }
}