/* Global Styles */
body {
    font-family: 'Poppins', sans-serif;
    color: white;
    background: linear-gradient(to bottom, #00bcd4, #008c96);
    margin: 0;
    height: 100vh;
    overflow-x: hidden;
    position: relative;
    opacity: 0; 
    animation: fadeIn 1s forwards; 
}

.index-body {
    background: radial-gradient(circle, #ff7a00, #ffcc00, #00aaff);
    margin: 0;
    height: 90vh;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    animation: fadeIn 2s ease-in-out;
}

.lessons-body {
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(to bottom, #f0f8ff, #cce7ff);
    color: #003366!important;
    padding: 0;
    margin: 0;
    animation: fadeIn 2s ease-in-out;
    position: relative;
    height: 100%;
    overflow-y: auto; /* Allow scroll for entire body */
    z-index: 1;
}

/* Navigation-bar */
nav {
    background-color: #003366;
    padding: 15px 20px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

nav .navbar-brand {
    font-size: 1.9rem;
    font-weight: bold;
    padding-left: 20px;
    transition: color 0.3s ease-in-out;
    color: #ffcc00;
}

nav .navbar-brand:hover {
    color: #ffffff;
}

nav .navbar-nav a {
    color: #ffffff;
    margin: 0 15px;
    font-size: 1.1rem;
}

nav .navbar-nav a:hover {
    color: #ffcc00;
    text-decoration: underline;
}

/* Container for Content */
.index-content {
    text-align: center;
    padding: 40px 30px;
    background: rgba(0, 51, 102, 0.7);
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
    z-index: 1;
    width: 80%;
    max-width: 600px;
}

h1 {
    font-size: 2.8rem;
    color: #ffcc00;
    margin-bottom: 30px;
    font-weight: bold;
    animation: slideIn 1s ease-in-out;
}

p {
    font-size: 1.2rem;
    color: #f4f4f4;
    margin-bottom: 40px;
}

.p-lessons {
    color: #003366!important;
    margin-bottom: 0;
}

/* Content Area */
.content-area {
    text-align: center;
    position: relative;
    height: 85vh;
    z-index: 1;
    padding: 50px 0;
    background-color: rgba(0, 51, 102, 0.7); 
    animation: slideUp 1s ease-out; /* Slide-in effect for content */
}


/* Cards */
/* Lesson Cards */
.lesson-card {
    background-color: #003366;
    border-radius: 15px;
    overflow: hidden;
    margin: 15px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    cursor: pointer;
    opacity: 0;
    animation: fadeInUp 0.5s forwards;
}

.lesson-card:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
}

.lesson-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.lesson-card:hover img {
    transform: scale(1.05);
}

.lesson-card-body {
    padding: 20px;
}

.lesson-card-body h5 {
    font-size: 1.5rem;
    color: #ffcc00;
    display: flex;
    align-items: center;
}

.lesson-card-body h5 i {
    margin-right: 10px;
    font-size: 1.8rem;
}

.lesson-card-body p {
    font-size: 1rem;
    color: #fff;
    margin-bottom: 15px;
}
.lesson-card a {
    display: block;
    width: 100%;
    height: 100%;
    text-decoration: none;
}

/* Challenge Cards */
.challenge-card {
    background-color: #003366;
    border-radius: 15px;
    overflow: hidden;
    margin: 15px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    cursor: pointer;
    animation: slideUp 1s ease-out;
}

.challenge-card:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
}

.challenge-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.challenge-card-body {
    padding: 20px;
}

.challenge-card-body h5 {
    font-size: 1.5rem;
    color: #ffcc00;
    display: flex;
    align-items: center;
}

.challenge-card-body h5 i {
    margin-right: 10px;
    font-size: 1.8rem;
}

.challenge-card-body p {
    font-size: 1rem;
    color: #fff;
    margin-bottom: 15px;
}

/* Info Box */
.info-box {
    background-color: rgba(0, 0, 0, 0.5); 
    color: white;
    padding: 50px;
    border-radius: 10px;
    margin: 5px auto;
    width: 70%;
    text-align: center;
    min-height: 400px; 
}

.info-box h2 {
    margin-bottom: 20px;
    font-size: 2rem;
    font-weight: bold;
}

.info-box p {
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.info-box img {
    width: 200px; 
    height: 200px;
    border-radius: 8px;
    margin: 20px;
    object-fit: cover; 
}

/* Add yellow color and bold for DR Amani Shosha */
.supervisor {
    font-weight: bold;
    color: yellow;
}

/* Contact Form */
.contact-form {
    background-color: rgba(0, 51, 102, 0.8);
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(4, 4, 4, 0.944);
    margin-top: 50px;
}

.contact-form h2 {
    color: #ffcc00;
    margin-bottom: 20px;
    text-align: center;
}

.form-control {
    background-color: #003366;
    border: none;
    color: rgb(255, 255, 255); 
    margin-bottom: 15px;
}

.form-control::placeholder {
    color: #cccccc;
}

.form-control:focus {
    
    border-color: #ffcc00;
    box-shadow: none;
}

.lesson-content {
    padding: 40px 20px;
    animation: fadeIn 3s ease-in-out;
    position: relative;
    z-index: 1;
}
.lesson-content h1 {
    color: #003366;
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 30px;
    animation: slideInFromTop 1s ease-out;
}
.lesson-content h3 {
    color: #003366;
    font-size: 1.6rem;
    margin-top: 30px;
    animation: slideInFromLeft 1s ease-out;
}
.lesson-content p {
    font-size: 1.1rem;
    line-height: 1.6;
    animation: fadeIn 3s ease-in-out;
}
.code-snippet {
    background-color: #003366;
    color: white;
    padding: 15px;
    border-radius: 8px;
    font-family: monospace;
    margin: 20px 0;
}




.challenges-body {
    font-family: 'Fredoka One', 'Poppins', sans-serif;
    background: linear-gradient(to bottom, #6ec9f0, #eef9ff);
    color: #333;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
    position: relative;
}

.challenges-container {
    max-width: 900px;
    margin: 30px auto;
    padding: 20px;
    background: #ffffff;
    border-radius: 15px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    position: relative;
    z-index: 1;
}

.challenges-h1 {
    text-align: center;
    color: #4caf50;
    font-size: 2.5rem;
    margin-bottom: 30px;
}

.challenges-question-box {
    margin-bottom: 20px;
    padding: 20px;
    background: #e3f2fd;
    border-radius: 10px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

.challenges-question-box h3 {
    font-size: 1.2rem;
    color: #1e88e5;
    margin-bottom: 15px;
}

.challenges-pre {
    background: #f1f8e9;
    padding: 10px;
    border-radius: 8px;
    color: #43a047;
    font-size: 1rem;
}

.challenges-options label {
    display: block;
    padding: 10px;
    margin: 5px 0;
    background-color: #bbdefb;
    border: 1px solid #64b5f6;
    border-radius: 5px;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.challenges-options label:hover {
    background-color: #90caf9;
}

.challenges-options input[type="radio"] {
    display: none;
}

.challenges-options input[type="radio"]:checked + label {
    position: relative;
    z-index: 1;
}

/* Correct answer animation */
.challenges-options input[type="radio"].correct:checked + label {
    background-color: #4caf50;
    color: white;
}

/* Wrong answer animation */
.challenges-options input[type="radio"].wrong:checked + label {
    background-color: #e57373;
    color: white;
    animation: shake 0.5s;
}



.interactive-btn {
    background-color: #ffcc00;
    color: #003366;
    padding: 12px 25px;
    font-size: 18px;
    font-weight: bold;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.3s;
    width: 100%;
    animation: bounceIn 2s ease-in-out;
}
.interactive-btn:hover {
    background-color: #ff9900;
}

/* Button Styles */
.challenges-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: #4caf50;
    color: white;
    padding: 15px 30px;
    text-align: center;
    border-radius: 50px;
    font-size: 1.2rem;
    font-weight: 600;
    text-decoration: none;
    transition: background-color 0.3s ease;
    border: none;
    cursor: pointer;
}

.challenges-btn:hover {
    background-color: #45a049;
}

.challenges-btn:active {
    background-color: #388e3c;
}

/* buttons */
.btn {
    font-size: 1.25rem;
    padding: 15px 25px;
    margin: 10px;
    border-radius: 10px;
    width: 255px;
    transition: transform 0.3s ease;
}

.btn-warning {
    background-color: #ffcc00;
    color: #003366;
    border: none;
}

.btn-warning:hover {
    background-color: #ff9900;
    transform: scale(1.1);
}

.btn-info {
    background-color: #17a2b8;
    color: #fff;
    border: none;
}

.btn-info:hover {
    background-color: #138496;
    transform: scale(1.1);
}

/* Embedding YouTube Video */
iframe {
    width: 100%;
    max-width: 800px;
    height: 450px;
    margin: 20px 0;
}

/* Styling for correct and incorrect answers */
input[type="radio"]:checked + label.correct {
    background-color: green;
    color: white;
    animation: celebration 2s ease-in-out;
}

input[type="radio"]:checked + label.incorrect {
    background-color: red;
    color: white;
    animation: shake 0.5s ease-in-out;
}

.quiz-container {
    margin-top: 30px;
}
.quiz-question {
    font-size: 18px;
    margin-bottom: 20px;
}
.quiz-option {
    margin: 5px 0;
    padding: 10px;
    background-color: #f8f9fa;
    border: 1px solid #ddd;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
    animation: fadeIn 2s ease-in-out;
}
.quiz-option:hover {
    background-color: #ffcc00;
}
.quiz-result {
    margin-top: 20px;
    font-size: 18px;
    font-weight: bold;
    color: #003366;
}


.contact-body {
    position: relative;
    z-index: 1;
}

.thank-you-body {
    font-family: 'Poppins', sans-serif;
    color: white;
    background: linear-gradient(to bottom, #00bcd4, #008c96);
    margin: 0;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.thank-you-box {
    background-color: rgba(0, 0, 0, 0.5);
    color: white;
    padding: 50px;
    border-radius: 10px;
    width: 70%;
    min-height: 300px;
}

.thank-you-box h1 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.thank-you-box p {
    font-size: 1.2rem;
}

.btn-back {
    background-color: #ffcc00;
    color: white;
    padding: 10px 20px;
    border-radius: 5px;
    font-size: 1.1rem;
    margin-top: 20px;
    text-decoration: none;
}

.btn-back:hover {
    background-color: #ffaa00;
}

/* Fish Animation */
.fish {
    position: absolute;
    opacity: 0.4;
    animation: swim 15s infinite linear;
    z-index: 0;
}

.fish1 {
    width: 10vw;
    top: 15%;
    left: -15%;
    animation-duration: 15s;
}

.fish2 {
    width: 12vw;
    top: 35%;
    left: -20%;
    animation-duration: 18s;
}

.fish3 {
    width: 9vw;
    top: 55%;
    left: -25%;
    animation-duration: 20s;
}

.fish4 {
    width: 11vw;
    top: 75%;
    left: -30%;
    animation-duration: 25s;
}

/* Footer */
footer {
    text-align: center;
    height: 40px;
    padding-top: 9px;
    background-color: #003366;
    color: white;
    position: fixed;
    bottom: 0;
    width: 100%;
}
footer a {
    color: #ffcc00;
    text-decoration: none;
    margin: 0 10px;
}
footer a:hover {
    text-decoration: underline;
}

@keyframes swim {
    0% {
        transform: translateX(-10vw);
    }

    100% {
        transform: translateX(110vw);
    }
}

/* Animation for page fade-in */
@keyframes fadeIn {
    0% {
        opacity: 0;
    }

    100% {
        opacity: 1;
    }
}

/* Animation for header slide-in */
@keyframes slideIn {
    0% {
        transform: translateY(-50px);
        opacity: 0;
    }

    100% {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Animation for footer fade-in */
@keyframes fadeInFooter {
    0% {
        opacity: 0;
    }

    100% {
        opacity: 1;
    }
}

/* Animation for content-area slide-up */
@keyframes slideUp {
    0% { transform: translateY(50px); opacity: 0; }
    100% { transform: translateY(0); opacity: 1; }
}

/* Fade-In Effect for Cards */
@keyframes fadeInUp {
    0% { opacity: 0; transform: translateY(20px); }
    100% { opacity: 1; transform: translateY(0); }
}

@keyframes shake {
    0% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    50% { transform: translateX(5px); }
    75% { transform: translateX(-5px); }
    100% { transform: translateX(0); }
}

/* Celebration Animation */
@keyframes celebration {
    0% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.2); opacity: 0.8; }
    100% { transform: scale(1); opacity: 1; }
}