body {
    font-family: sans-serif;
    background-color: #f0f0f0;
    color: #333;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}

.container {
    text-align: center;
    position: relative;
    z-index: 10;
}

.logo {
    margin-bottom: 2rem;
}

.logo-img {
    height: 80px;
    width: auto;
}

h1 {
    font-size: 2.5em;
    animation: pulse 2s infinite;
    margin-bottom: 1rem;
}

p {
    font-size: 1.2em;
    margin-bottom: 2rem;
}

.loader {
    border: 8px solid #f3f3f3;
    border-radius: 50%;
    border-top: 8px solid #3498db;
    width: 60px;
    height: 60px;
    animation: spin 2s linear infinite;
    margin: 20px auto;
}

.progress-bar {
    width: 300px;
    height: 20px;
    background-color: #ddd;
    border-radius: 10px;
    margin: 20px auto;
    overflow: hidden;
}

.progress {
    height: 100%;
    background: linear-gradient(90deg, #3498db, #2ecc71);
    border-radius: 10px;
    animation: progressAnimation 3s ease-in-out infinite;
}

.page-links {
    margin-top: 3rem;
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.page-link {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    background: linear-gradient(45deg, #3498db, #2ecc71);
    color: white;
    text-decoration: none;
    border-radius: 25px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(52, 152, 219, 0.3);
}

.page-link:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(52, 152, 219, 0.4);
}

.background-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 1;
}

.circle {
    position: absolute;
    border-radius: 50%;
    background: linear-gradient(45deg, rgba(52, 152, 219, 0.1), rgba(46, 204, 113, 0.1));
    animation: float 6s ease-in-out infinite;
}

.circle1 {
    width: 200px;
    height: 200px;
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.circle2 {
    width: 150px;
    height: 150px;
    top: 60%;
    right: 15%;
    animation-delay: 2s;
}

.circle3 {
    width: 100px;
    height: 100px;
    bottom: 20%;
    left: 60%;
    animation-delay: 4s;
}

@keyframes pulse {
    0% {
        transform: scale(1);
        opacity: 1;
    }

    50% {
        transform: scale(1.05);
        opacity: 0.7;
    }

    100% {
        transform: scale(1);
        opacity: 1;
    }
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

@keyframes progressAnimation {
    0% {
        width: 0%;
    }

    50% {
        width: 70%;
    }

    100% {
        width: 100%;
    }
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0px) rotate(0deg);
    }

    33% {
        transform: translateY(-30px) rotate(120deg);
    }

    66% {
        transform: translateY(30px) rotate(240deg);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }

    p {
        font-size: 1rem;
    }

    .progress-bar {
        width: 250px;
    }

    .page-links {
        flex-direction: column;
        align-items: center;
    }

    .page-link {
        width: 200px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 1rem;
    }

    h1 {
        font-size: 1.8rem;
    }

    .logo-img {
        height: 60px;
    }

    .progress-bar {
        width: 200px;
    }
}