:root {
    --primary-color: #343A40;
    --secondary-color: #343A40;
    --text-color: #343A40;
    --light-text-color: #6C757D;
    --background-color: #f9f8fa;
    --card-background: #ffffff;
    --accent-color: #000000;
    --hover-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    background-color: var(--background-color);
    color: var(--text-color);
}

.container {
    max-width: 1100px;
    margin: auto;
    overflow: hidden;
    padding: 0 20px;
}

.card-container {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

/* Header & Navbar */
.navbar {
    background: var(--primary-color);
    color: #fff;
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo-container {
    display: flex;
    align-items: center;
}

.logo-img {
    height: 50px;
    margin-right: 15px;
}

.logo {
    font-size: 2.5rem;
    letter-spacing: 3px;
}

.navbar nav ul {
    display: flex;
    list-style: none;
    padding: 0;
}

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

.navbar nav a {
    color: #fff;
    text-decoration: none;
    font-weight: bold;
    transition: color 0.3s ease;
}

.navbar nav a:hover {
    color: var(--secondary-color);
}

/* Main Content Header */
.header {
    background-color: var(--card-background);
    color: var(--primary-color);
    padding: 3rem 2rem;
    text-align: center;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
    border-bottom: 5px solid var(--primary-color);
    margin: 2rem auto;
}

.header h1 {
    font-family: 'Lato', sans-serif;
    font-size: 2.8rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* Card Section - Layout Perbaikan */
.card-container {
    max-width: 900px;
    margin: 3rem auto;
    padding: 0 1rem;
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.clean-card {
    background-color: var(--card-background);
    border-radius: 15px;
    padding: 2.5rem;
    text-align: center;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    transition: transform 0.4s cubic-bezier(0.25, 0.8, 0.25, 1), box-shadow 0.4s ease, border 0.4s ease;
    text-decoration: none;
    color: var(--text-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 380px;
    border: 2px solid transparent;
}

.clean-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--hover-shadow);
    border: 2px solid var(--accent-color);
}

/* Make the contact card wider and shorter */
.contact-card {
    flex-grow: 0.85;
    padding-top: 0.2rem;
    padding-bottom: 0.2rem;
}

.icon-box {
    font-size: 3.5rem;
    color: var(--accent-color);
    margin-bottom: 1.5rem;
    transition: transform 0.4s ease-in-out;
}

.clean-card:hover .icon-box {
    transform: scale(1.2);
    color: var(--secondary-color);
}

.clean-card .icon-box img {
    max-width: 80px;
    height: auto;
    border-radius: 10px;
    transition: transform 0.4s ease-in-out;
}

.clean-card h2 {
    font-family: 'Lato', sans-serif;
    font-size: 1.6rem;
    margin-top: 0;
    margin-bottom: 0.75rem;
    color: var(--primary-color);
    text-shadow: 1px 1px 2px rgba(0,0,0,0.1);
    text-align: center;
}

.clean-card p {
    font-size: 1.05rem;
    color: var(--light-text-color);
    margin: 0;
    text-align: center;
}

.clean-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--hover-shadow);
    border: 2px solid var(--accent-color);
    background-color: rgba(56, 24, 125, 0.5);
}

.footer {
    background: var(--primary-color);
    color: var(--card-background);
    padding: 40px 0;
    margin-top: auto;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--light-text-color);
}

.footer-section {
    flex: 1;
    min-width: 200px;
}

.footer h3, .footer h4 {
    margin-bottom: 15px;
}

.footer p {
    color: var(--card-background);
}

.footer-links {
    list-style: none;
    padding-left: 0;
}

.footer-links a {
    color: var(--card-background);
    text-decoration: none;
    transition: color 0.3s ease;
    display: inline-block;
    margin-bottom: 8px;
}

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

.social-icons {
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
}

.social-icons img {
    width: 32px;
    height: 32px;
    border-radius: 50%;
}

.footer-logo-container {
    display: flex;
    align-items: center;
    gap: 15px;
}

.footer-logo-container img {
    height: 40px;
    margin-right: 10px;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    margin-top: 20px;
}

.footer-bottom p {
    color: var(--light-text-color);
}

.sub-heading {
    text-align: center;
    font-size: 2rem;
    color: var(--primary-color);
    margin: 40px 0 20px;
}

.divider {
    border: none;
    border-top: 2px solid var(--light-text-color);
    width: 50%;
    margin: 40px auto;
}

/* Media Queries for Responsiveness */
@media (max-width: 768px) {
    .navbar .container {
        flex-direction: column;
        text-align: center;
    }

    .navbar nav {
        margin-top: 10px;
    }

    .navbar ul {
        flex-direction: column;
        align-items: center;
    }

    .navbar ul li {
        margin: 5px 0;
    }
    
    .logo-img {
      height: 40px;
    }
    
    .logo {
        font-size: 2rem;
    }

    .header h1 {
        font-size: 2rem;
    }

    .card-container {
        flex-direction: column;
        align-items: center;
    }

    .clean-card {
        width: 100%;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .social-icons,
    .footer-logo-container {
        justify-content: center;
    }
}