/* Reset Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Open Sans', Arial, sans-serif;
    background-color: #f9fafc;
    color: #333;
}

/* Navigation Styles */
header {
    background-color: #fff;
    border-bottom: 1px solid #e0e0e0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0px 16px;
}

nav .logo img {
    height: 5rem;
    width: 7rem;
}

nav .menu-toggle {
    display: none;
    font-size: 24px;
    cursor: pointer;
}

nav .nav-menu {
    list-style: none;
    display: flex;
    align-items: center;
}

nav .nav-menu li {
    margin-left: 20px;
}

nav .nav-menu li a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s;
}

nav .nav-menu li a:hover,
nav .nav-menu li a.active {
    color: #007BFF;
}

nav .login-btn {
    background-color: #007BFF;
    color: #fff !important;
    padding: 8px 16px;
    border-radius: 4px;
    transition: background-color 0.3s;
}

nav .login-btn:hover {
    background-color: #0056b3;
}

/* Hero Section */
.classes-hero {
    background-image: url('../img/classes-hero.jpg');
    background-size: cover;
    background-position: center;
    padding: 100px 20px;
    color: #a5a3a3;
    text-align: center;
}

.classes-hero-content h1 {
    font-size: 48px;
    margin-bottom: 20px;
}

.classes-hero-content p {
    font-size: 24px;
    margin-bottom: 0;
}

/* Class Categories */
.class-categories {
    padding: 60px 20px;
}

.class-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 20px;
}

.class-card {
    background-color: #fff;
    flex: 1 1 calc(25% - 20px);
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.class-card .class-icon {
    font-size: 48px;
    color: #007BFF;
    margin-bottom: 20px;
}

.class-card h3 {
    font-size: 28px;
    margin-bottom: 20px;
}

.class-card .class-features {
    list-style: none;
    margin-bottom: 20px;
}

.class-card .class-features li {
    margin-bottom: 10px;
    font-size: 16px;
}

.class-card .btn {
    background-color: #007BFF;
    color: #fff;
    padding: 12px 20px;
    border-radius: 4px;
    text-decoration: none;
    font-weight: bold;
    transition: background-color 0.3s;
}

.class-card .btn:hover {
    background-color: #0056b3;
}

/* Class Features Section */
.class-features-section {
    background-color: #f4f6f8;
    padding: 60px 20px;
    text-align: center;
}

.class-features-section h2 {
    font-size: 36px;
    margin-bottom: 40px;
}

.features-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 20px;
}

.feature {
    flex: 1 1 calc(25% - 20px);
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.feature i {
    font-size: 48px;
    color: #007BFF;
    margin-bottom: 20px;
}

.feature h3 {
    font-size: 24px;
    margin-bottom: 15px;
}

.feature p {
    font-size: 16px;
}

/* Footer Styles */
footer {
    background-color: #1a1a1a;
    color: #fff;
    padding: 60px 20px;
}

.footer-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 20px;
}

.footer-container > div {
    flex: 1 1 calc(25% - 20px);
}

.footer-container h3 {
    font-size: 20px;
    margin-bottom: 20px;
}

.footer-container ul {
    list-style: none;
}

.footer-container ul li {
    margin-bottom: 10px;
}

.footer-container ul li a {
    color: #ccc;
    text-decoration: none;
}

.footer-container ul li a:hover {
    color: #fff;
}

.footer-container .social-links a {
    display: block;
    margin-bottom: 10px;
    color: #ccc;
    text-decoration: none;
}

.footer-container .social-links a:hover {
    color: #fff;
}

.footer-container .stats p {
    margin-bottom: 15px;
    font-size: 16px;
}

.footer-container .newsletter form {
    display: flex;
}

.footer-container .newsletter input {
    flex: 1;
    padding: 10px;
    border: none;
    border-radius: 4px 0 0 4px;
}

.footer-container .newsletter button {
    padding: 10px 20px;
    border: none;
    background-color: #007BFF;
    color: #fff;
    border-radius: 0 4px 4px 0;
    cursor: pointer;
    transition: background-color 0.3s;
}

.footer-container .newsletter button:hover {
    background-color: #0056b3;
}

.footer-bottom {
    text-align: center;
    padding: 20px;
    border-top: 1px solid #333;
    color: #ccc;
    margin-top: 40px;
}

/* Media Queries */
@media (max-width: 1024px) {
    .class-card,
    .feature {
        flex: 1 1 calc(50% - 20px);
    }
}

@media (max-width: 768px) {
    nav .nav-menu {
        position: fixed;
        top: 60px;
        right: -100%;
        width: 200px;
        height: 100%;
        background-color: #fff;
        flex-direction: column;
        align-items: flex-start;
        padding: 20px;
        transition: right 0.3s;
        box-shadow: -2px 0 5px rgba(0, 0, 0, 0.1);
    }

    nav .nav-menu.active {
        right: 0;
    }

    nav .menu-toggle {
        display: block;
    }

    nav .nav-menu li {
        margin: 15px 0;
    }

    .class-card,
    .feature {
        flex: 1 1 100%;
    }

    .classes-hero-content h1 {
        font-size: 36px;
    }

    .classes-hero-content p {
        font-size: 18px;
    }

    .class-features-section h2 {
        font-size: 28px;
    }
}