:root {
    --bg-color-1: #4c51bf;
    --bg-color-3: #63b3ed;
    --bg-color-2: #7f9cf5;
    --footer-border-top: #e2e8f0;
    --footer-color: #718096;
    --footer-bg: #edf2f7;
    --footer-font-size: 14px;
    --button-hover: #5a67d8;
    --content-p: #2d3748;
    --content-font-size: 16px;
    --content-bg: #f8fafc;
    --card-bg: #ffffff;
    --padding: 20px;
    --quiz-title-font-size: 28px;
}

.quiz-card {
    background-color: var(--card-bg);
    border-radius: var(--padding);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.25);
    width:100%;
    max-width: 700px;
    padding: 0;
    margin:1rem auto;
    position: relative;
    display: grid;
    overflow: hidden;
    grid-template-rows: auto 1fr auto;
    animation: slideIn 0.8s ease-out;
}

@keyframes slideIn {
    from {
        transform: translateY(120px);
        opacity: 0;
    }

    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.quiz-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    transition: all 0.4s ease;
}

.quiz-header {
    background: linear-gradient(135deg, var(--bg-color-1), var(--bg-color-2));
    text-align: center;
    padding: var(--padding);
    position: relative;
    clip-path: polygon(0 0, 100% 0, 100% 85%, 0 100%);
}

.quiz-header::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /* background: url("data:image/svg+xml,%3Csvg xmlns=" http: //www.w3.org/2000/svg" viewBox="0 0 200 200"%3E%3Ccircle cx="100" cy="100" r="80" fill="none" opacity="0.3" /%3E%3C/svg%3E")center/100% no-repeat ; */
    opacity: 0.2;
}

.quiz-icon {
    font-size: calc(var(--quiz-title-font-size) + 20px);
    margin-bottom: 10px;
    color: var(--card-bg);
    animation: bounce 1.5s infinite ease-in-out;
}

@keyframes bounce {

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

    50% {
        transform: translateY(-10px)
    }
}

.quiz-card h2 {
    margin: 0;
    color: var(--card-bg);
    font-size: var(--quiz-title-font-size);
    font-weight: 700;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.quiz-content {
    text-align: center;
    background: var(--content-bg);
    padding: var(--padding);
}

.quiz-content p {
    margin: 0 0 20px;
    font-size: var(--content-font-size);
    color: var(--content-p);
    line-height: 1.6;
    animation: fadeInText 1s ease-in 0.2s forwards;
    opacity: 0;
}

@keyframes fadeInText {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.take-quiz-btn {
    background: var(--bg-color-1);
    padding: 14px 35px;
    color: var(--card-bg);
    border: none;
    border-radius: 50px;
    cursor: pointer;
    text-align: center;
    font-size: var(--content-font-size);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    overflow: hidden;
    transition: all 0.4s ease;
    margin: 0 auto;
    display: inline-block;
    text-decoration: none;
}

.take-quiz-btn:hover {
    transform: scale(1.1) rotate(2deg);
    box-shadow: 0 8px 16px rgba(76, 81, 191, 0.4);
    background: var(--button-hover);
}

.take-quiz-btn::before {
    content: "";
    top: 0;
    position: absolute;
    left: -150%;
    width: 150%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: left 0.5s ease;
    z-index: 0;
}

.take-quiz-btn:hover::before {
    left: 100%;
}

.take-quiz-btn::after {
    content: "";
    top: 50%;
    position: absolute;
    width: 0;
    left: 50%;
    height: 0;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.5), transparent);
    transform: translate(-50%, -50%);
    transition: width 0.4s ease, height 0.4s ease;
    z-index: 0;
}

.take-quiz-btn:hover::after {
    width: 200%;
    height: 200%;
}

.quiz-footer {
    padding: 15px;
    color: var(--footer-color);
    font-size: var(--footer-font-size);
    text-align: center;
    border-top: 1px solid var(--footer-border-top);
    background: var(--footer-bg);
}

.quiz-card::after {
    content: "";
    bottom: 0;
    left: 0;
    position: absolute;
    width: 100%;
    height: 6px;
    background: linear-gradient(to right, var(--bg-color-1), var(--bg-color-3));
    animation: gradientFlow 3s infinite linear;
}

@keyframes gradientFlow {
    0% {
        background-position: 0% 50%;
    }

    100% {
        background-position: 200% 50%;
    }
}

.particles {
    position: absolute;
    left: 0;
    top: 0;
    z-index: 0;
    pointer-events: none;
    width: 100%;
    height: 100%;
}

.particle {
    position: absolute;
    height: 7px;
    width: 7px;
    background: brown;
    /*background: rgba(76, 81, 191, 0.5);*/
    border-radius: 50%;
    animation: float 6s infinite ease-in-out;
}

@keyframes float {
    0% {
        transform: translateY(0) translateX(0);
        opacity: 0.5;
    }

    50% {
        transform: translateY(-50px) translateX(20px);
        opacity: 0.8;
    }

    100% {
        transform: translateY(0) translateX(0);
        opacity: 0.5;
    }
}

.particle:nth-child(1) {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.particle:nth-child(2) {
    top: 40%;
    left: 80%;
    animation-delay: 2s;
}

.particle:nth-child(3) {
    top: 60%;
    left: 30%;
    animation-delay: 4s;
}