/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
html {
scroll-padding-top: 80px; /* Set this equal to or a bit more than the navbar height */
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: #f4f7f6;
    color: #333;
    line-height: 1.8;
    overflow-x: hidden;
    font-size: 18px;
}
.formula{
    text-align: center;
    padding-top: 3em;
    font-weight:bold ;
}

a {
    color: #333;
    text-decoration: none;
}

/* Header Styling */
header {
    background-color: #2c3e50;
    color: white;
    padding: 60px 20px;
    text-align: center;
}

header h1 {
    font-size: 3.5rem;
    font-weight: 600;
    margin-bottom: 15px;
    letter-spacing: 1.2px;
}

header p {
    font-size: 1.5rem;
    margin-top: 10px;
    opacity: 0.8;
}

nav {
    display: flex;
    justify-content: center;
    align-items: center; /* Align items vertically in the center */
    padding: 20px 0;
    background-color: #0984e3;
    position: sticky;
    flex-wrap: wrap;
    top: 0;
    z-index: 1000;
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.1);
}

nav a {
    color: white;
    padding: 15px 20px; /* Adjusted padding for more balance */
    text-decoration: none;
    font-size: 1rem;
    font-weight: 500;
    transition: background 0.3s ease, color 0.3s ease;
    border-radius: 6px;
    margin: 0 10px; /* Space between links */
}

nav a:hover {
    background-color: #74b9ff;
    color: #fff;
}

/* Introduction Section */
.introduction {
    padding: 50px 30px;
    max-width: 1200px;
    margin: auto;
    background-color: #ffffff;
    border-radius: 12px;
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.05);
    margin-top: 30px;
    margin-bottom: 50px;
}

.introduction h2 {
    font-size: 2.5rem;
    margin-bottom: 25px;
    color: #0984e3;
    text-align: center;
}

.introduction p {
    font-size: 1.2rem;
    text-align: justify;
    color: #555;
}

/* Section Styling */
section {
    padding: 60px 30px;
    max-width: 1200px;
    margin: auto;
    background-color: #ffffff;
    border-radius: 12px;
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.05);
    margin-bottom: 40px;
}

section h2 {
    font-size: 2.8rem;
    margin-bottom: 30px;
    text-align: center;
    color: #0984e3;
    position: relative;
}

section h2::after {
    content: '';
    width: 70px;
    height: 4px;
    background-color: #0984e3;
    position: absolute;
    left: 50%;
    bottom: -15px;
    transform: translateX(-50%);
}

section p, section ul {
    font-size: 1.2rem;
    margin-bottom: 25px;
    text-align: justify;
    color: #555;
}

section ul {
    list-style-type: disc;
    padding-left: 50px;
}

section ul li {
    margin-bottom: 12px;
}
section ol{
    margin-left: 20px;
}
section img {
display: block;
margin-left: auto;
margin-right: auto;
max-width: 100%;
height: auto;
border-radius: 5em;
}



/* Footer Styling */
footer {
    background-color: #2c3e50;
    color: white;
    text-align: center;
    padding: 30px;
    margin-top: 60px;
}

footer p {
    font-size: 1rem;
}


#back-to-top {
position: fixed;
bottom: 40px;
right: 40px;
background-color: #0984e3;
color: white;
padding: 10px 15px;
border-radius: 50%;
cursor: pointer;
display: none;
z-index: 1000;
font-size: 20px;
box-shadow: 0 6px 12px rgba(233, 231, 231, 0.2);
}

.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Share Section */
#share {
    position: relative; /* Ensure the section is positioned relative to the modal */
    padding: 20px;
}

/* Share Section */
#share {
    padding: 20px;
}

/* Share Section */
#share {
    padding: 20px;
}

/* Modal styles */
.modal {
    display: none; /* Hidden by default */
    position: fixed; /* Stay in place */
    z-index: 9001; /* Sit on top */
    left: 0;
    top: 0;
    width: 100%; /* Full width */
    height: 100%; /* Full height */
    overflow: auto; /* Enable scroll if needed */
    background-color: rgba(0, 0, 0, 0.8); /* Black w/opacity */
    padding: 0; /* Remove any padding */
}

.modal-content {
    background-color: #fefefe;
    margin: 10% auto; /* Centered */
    padding: 20px;
    border: 1px solid #888;
    width: 80%; /* Could be more or less, depending on screen size */
    max-width: 600px; /* Add a max width to prevent it from being too wide */
}


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

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

/* Share links */
.modal-content a {
    display: block; /* Make each link take a full line */
    margin: 10px 0;
    padding: 10px;
    color: #0984e3;
    text-decoration: none;
    border: 1px solid #0984e3;
    border-radius: 5px;
    transition: background 0.3s;
}

.modal-content a:hover {
    background-color: #dfe6e9;
}

/* Feedback Section Styles */
.feedback-section {
    text-align: center;
}

.feedback-section h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: #0984e3;
}

.feedback-section p {
    font-size: 1.2rem;
    margin-bottom: 20px;
}

.feedback-section textarea {
    width: 100%;
    height: 100px;
    border: 1px solid #ccc;
    border-radius: 6px;
    padding: 10px;
    font-size: 1rem;
    margin-bottom: 15px;
    resize: none;
}

.feedback-section button {
    background-color: #0984e3; /* Button background color */
    color: white; /* Text color */
    border: none; /* No border */
    padding: 10px 20px; /* Padding */
    font-size: 1rem; /* Font size */
    font-weight: bold; /* Bold text */
    border-radius: 5px; /* Rounded corners */
    cursor: pointer; /* Pointer cursor on hover */
    transition: background 0.3s ease; /* Smooth background transition */
}

.feedback-section button:hover {
    background-color: #74b9ff; /* Lighter shade on hover */
}

/* Share Button Container */
.share-container {
    display: flex;
    justify-content: center; /* Center the button horizontally */
    margin-top: 20px; /* Space from the feedback section */
    margin-bottom: 20px;
    padding-bottom: 20px; /* Add padding below if necessary */
}

/* Share Button */
#shareButton {
    background-color: #28a745; /* Button background color */
    color: white; /* Text color */
    border: none; /* No border */
    padding: 20px 40px; /* Increased padding for size */
    font-size: 1.2rem; /* Font size */
    font-weight: bold; /* Bold text */
    border-radius: 5px; /* Rounded corners */
    cursor: pointer; /* Pointer cursor on hover */
    transition: background 0.3s ease; /* Smooth background transition */
}

#shareButton:hover {
    background-color: #48b44e; /* Lighter shade on hover */
}


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

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

/* Responsive Design */
@media (max-width: 768px) {
    header h1 {
        font-size: 2.8rem;
    }

    nav a {
        font-size: 1rem;
        padding: 12px 20px;
    }

    .introduction, section {
        padding: 40px 20px;
    }

    section h2 {
        font-size: 2.2rem;
    }

    section p, section ul {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    header h1 {
        font-size: 2rem;
    }

    nav a {
        font-size: 0.9rem;
        padding: 10px 12px;
    }

    section h2 {
        font-size: 1.8rem;
    }
}