/* General Styles */
:root {
    --primary-color: #0056D2; /* Coursera blue */
    --secondary-color: #002D71;
    --text-color: #333;
    --light-gray: #f4f4f4;
    --border-color: #ddd;
    --font-family: 'Arial', sans-serif;
}

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

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--text-color);
    background-color: #fff;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

a {
    text-decoration: none;
    color: var(--primary-color);
}

ul {
    list-style: none;
}

/* Buttons */
.btn {
    display: inline-block;
    background: var(--primary-color);
    color: #fff;
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s ease;
}

.btn:hover {
    background-color: var(--secondary-color);
}

.btn-primary {
    background-color: var(--primary-color);
    padding: 12px 25px;
    font-size: 18px;
}

.btn-secondary {
    background: none;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
}

.btn-secondary:hover {
    background-color: var(--light-gray);
    color: var(--primary-color);
}

.btn-login, .btn-signup {
    padding: 8px 15px;
    font-size: 14px;
}

.btn-login {
    background: none;
    color: var(--text-color);
    border: none;
}

.btn-signup {
    background-color: var(--primary-color);
    color: #fff;
}

/* Header */
.main-header {
    background-color: #fff;
    padding: 15px 0;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main-header .logo a {
    font-size: 28px;
    font-weight: bold;
    color: var(--primary-color);
}

.main-nav {
    display: flex;
    align-items: center;
}

.main-nav .search-bar {
    display: flex;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    overflow: hidden;
    margin-right: 20px;
}

.main-nav .search-bar input {
    border: none;
    padding: 8px 10px;
    font-size: 14px;
    outline: none;
    width: 250px;
}

.main-nav .search-bar button {
    background-color: var(--light-gray);
    border: none;
    padding: 8px 12px;
    cursor: pointer;
    color: var(--text-color);
}

.main-nav ul {
    display: flex;
    align-items: center;
}

.main-nav ul li {
    margin-left: 20px;
    position: relative;
}

.main-nav ul li a {
    color: var(--text-color);
    font-weight: 500;
    padding: 5px 0;
    transition: color 0.3s ease;
}

.main-nav ul li a:hover {
    color: var(--primary-color);
}

/* Dropdown Menu */
.dropdown-content {
    display: none;
    position: absolute;
    background-color: #f9f9f9;
    min-width: 200px;
    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
    z-index: 1;
    border-radius: 4px;
    margin-top: 10px;
    left: 0;
}

.dropdown-content a {
    color: var(--text-color);
    padding: 12px 16px;
    text-decoration: none;
    display: block;
    text-align: left;
}

.dropdown-content a:hover {
    background-color: var(--light-gray);
    color: var(--primary-color);
}

.dropdown:hover .dropdown-content {
    display: block;
}

.dropdown-content hr {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: 5px 0;
}


/* Hero Section */
.hero-section {
    background-color: #e6f0ff; /* Light blue background */
    text-align: center;
    padding: 80px 0;
}

.hero-section h1 {
    font-size: 48px;
    margin-bottom: 20px;
    color: var(--secondary-color);
}

.hero-section p {
    font-size: 18px;
    max-width: 800px;
    margin: 0 auto 30px;
    color: #555;
}

/* Featured Programs */
.featured-programs, .partners-section {
    padding: 60px 0;
    text-align: center;
}

.featured-programs h2, .partners-section h2 {
    font-size: 32px;
    margin-bottom: 40px;
    color: var(--secondary-color);
}

.program-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.program-card {
    background-color: #fff;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 8px rgba(0,0,0,0.05);
    text-align: left;
    transition: transform 0.3s ease;
}

.program-card:hover {
    transform: translateY(-5px);
}

.program-card img {
    width: 100%;
    height: 180px;
    object-fit: cover;
}

.program-card h3 {
    font-size: 20px;
    margin: 15px 15px 5px;
    color: var(--secondary-color);
}

.program-card .provider {
    font-size: 14px;
    color: #777;
    margin: 0 15px 10px;
}

.program-card .rating {
    font-size: 14px;
    color: #f7a000; /* Star color */
    margin: 0 15px 10px;
}

.program-card .rating .fas {
    margin-right: 5px;
}

.program-card .level {
    font-size: 14px;
    color: #777;
    margin: 0 15px 20px;
}

.program-card .btn-small {
    display: block;
    width: calc(100% - 30px);
    margin: 0 15px 15px;
    text-align: center;
    padding: 10px 0;
    font-size: 15px;
}

/* Partners Section */
.partners-section {
    background-color: var(--light-gray);
    padding: 50px 0;
}

.partner-logos {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 40px;
    margin-bottom: 40px;
}

.partner-logos img {
    max-height: 60px;
    filter: grayscale(100%);
    opacity: 0.7;
    transition: all 0.3s ease;
}

.partner-logos img:hover {
    filter: grayscale(0%);
    opacity: 1;
}

/* Footer */
.main-footer {
    background-color: var(--secondary-color);
    color: #fff;
    padding: 40px 0;
    font-size: 14px;
}

.main-footer .footer-cols {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    margin-bottom: 30px;
}

.main-footer .footer-col {
    flex: 1;
    min-width: 200px;
    margin-bottom: 20px;
}

.main-footer .footer-col h3 {
    font-size: 18px;
    margin-bottom: 15px;
    color: #fff;
}

.main-footer .footer-col ul li {
    margin-bottom: 8px;
}

.main-footer .footer-col ul li a {
    color: #c0c0c0;
    transition: color 0.3s ease;
}

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

.main-footer .social-links a {
    color: #fff;
    font-size: 20px;
    margin-right: 15px;
    transition: color 0.3s ease;
}

.main-footer .social-links a:hover {
    color: var(--primary-color);
}

.main-footer .copyright {
    text-align: center;
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 20px;
    margin-top: 20px;
    color: #c0c0c0;
}

/* Responsive Design (Basic) */
@media (max-width: 768px) {
    .main-header .container {
        flex-direction: column;
        align-items: flex-start;
    }

    .main-nav {
        flex-direction: column;
        width: 100%;
        margin-top: 15px;
    }

    .main-nav .search-bar {
        width: 100%;
        margin-bottom: 15px;
    }

    .main-nav .search-bar input {
        width: calc(100% - 50px); /* Sesuaikan ukuran input */
    }

    .main-nav ul {
        flex-direction: column;
        width: 100%;
        align-items: flex-start;
    }

    .main-nav ul li {
        margin: 10px 0;
    }

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

    .hero-section p {
        font-size: 16px;
    }

    .program-grid {
        grid-template-columns: 1fr;
    }

    .main-footer .footer-cols {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .main-footer .footer-col {
        margin-bottom: 30px;
    }
}