body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 0;
    background: #f4f4f9;
    color: #333;
    scroll-behavior: smooth;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 10%;
    background: #282c34;
    color: #61dafb;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

header .logo {
    font-size: 28px;
    font-weight: bold;
}

header nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
}

header nav ul li {
    margin-left: 20px;
}

header nav ul li a {
    color: #61dafb;
    text-decoration: none;
    font-size: 16px;
    transition: color 0.3s ease;
}

header nav ul li a:hover {
    color: #21a1f1;
}

.hero {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    min-height: 100vh;
    text-align: center;
    color: #fff;
    position: relative;
    overflow: hidden;
    background: url('hero-image.jpg') no-repeat center center/cover;
}

.hero .overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    z-index: 1;
}

.hero .content {
    z-index: 2;
    padding: 20px;
    animation: fadeIn 2s ease-in-out;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

button {
    background-color: #61dafb;
    color: #282c34;
    border: none;
    padding: 10px 20px;
    font-size: 16px;
    cursor: pointer;
    border-radius: 5px;
    transition: background-color 0.3s ease, transform 0.3s ease;
}

button:hover {
    background-color: #21a1f1;
    transform: scale(1.05);
}

main {
    padding: 40px 10%;
}

h2 {
    color: #282c34;
    text-align: center;
    margin-bottom: 20px;
    animation: fadeInUp 1s ease-in-out;
}

section#about p {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    line-height: 1.6;
    animation: fadeInUp 1s ease-in-out;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.events-grid {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 20px;
    animation: fadeInUp 1s ease-in-out;
}

.event-card {
    background: #fff;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    border-radius: 10px;
    padding: 20px;
    width: 200px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    animation: slideIn 0.5s ease-in-out;
}

@keyframes slideIn {
    from { opacity: 0; transform: translateX(-50px); }
    to { opacity: 1; transform: translateX(0); }
}

.event-card:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
}

.register-btn {
    margin-top: 10px;
    background-color: #ff7e5f;
    color: #fff;
    border: none;
    padding: 10px;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.3s ease;
}

.register-btn:hover {
    background-color: #feb47b;
    transform: scale(1.05);
}

footer {
    text-align: center;
    padding: 20px 10%;
    background: #282c34;
    color: #61dafb;
    box-shadow: 0 -2px 5px rgba(0, 0, 0, 0.1);
}

.modal {
    display: none; 
    position: fixed; 
    z-index: 1000; 
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.5); 
}

.modal-content {
    background-color: #fff;
    margin: 15% auto; 
    padding: 20px;
    border: 1px solid #888;
    width: 80%; 
    max-width: 500px;
    border-radius: 10px;
    position: relative;
}

.close-btn {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
}

.close-btn:hover,
.close-btn:focus {
    color: #000;
    text-decoration: none;
    cursor: pointer;
}