/* Global Styles */
:root {
    --primary-color: #0056b3; /* Biru Profesional */
    --secondary-color: #f8f9fa; /* Abu-abu Sangat Terang */
    --accent-color: #FFD700; /* Kuning Cerah untuk Aksen */
    --background-dark: #FFFFFF; /* Putih */
    --text-light: #333333; /* Abu-abu Gelap */
    --text-dark: #FFFFFF; /* Putih */
    --card-bg: #FFFFFF; /* Putih */
}

body {
    font-family: 'Poppins', sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--background-dark);
    color: var(--text-light);
    line-height: 1.6;
}

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

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

h1, h2, h3 {
    font-weight: 600;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
    font-weight: 700;
}

.text-center {
    text-align: center;
}

/* Navbar */
.navbar {
    background-color: #FFFFFF;
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

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

.logo img {
    max-height: 40px;
    width: auto;
    display: block;
}

.nav-links {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
}

.nav-links li {
    margin-left: 25px;
}

.nav-links a {
    color: var(--text-light);
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: var(--primary-color);
}

.cta-button {
    background-color: var(--accent-color);
    color: var(--text-light);
    padding: 10px 20px;
    border-radius: 5px;
    font-weight: 600;
    transition: background-color 0.3s ease;
}

.cta-button:hover {
    background-color: #ffed4a;
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url('assets/hero-background.jpg') no-repeat center center/cover;
    height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 0 20px;
    color: var(--text-dark);
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    font-weight: 700;
}

.hero .subtitle {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto 30px;
}

.hero-cta {
    background-color: var(--primary-color);
    color: var(--text-dark);
    padding: 15px 35px;
    border-radius: 5px;
    font-size: 1.2rem;
    font-weight: 700;
    transition: transform 0.3s ease, background-color 0.3s ease;
    display: inline-block;
}

.hero-cta:hover {
    background-color: #004494;
    transform: scale(1.05);
}

.hero-cta.large {
    padding: 20px 50px;
    font-size: 1.5rem;
}


/* Sections */
section {
    padding: 80px 0;
}

.section-gray {
    background-color: var(--secondary-color);
}

/* Cards */
.cards-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.card {
    background-color: var(--card-bg);
    padding: 30px;
    border-radius: 8px;
    border-left: 5px solid var(--primary-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.card h3 {
    margin-top: 0;
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.card-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

/* Testimonial Cards */
.testimonial-card {
    background-color: var(--card-bg);
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    border-top: 5px solid var(--primary-color);
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.testimonial-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.testimonial-card .quote {
    font-size: 1.1rem;
    font-style: italic;
    margin-bottom: 20px;
    line-height: 1.6;
    color: var(--text-light);
}

.testimonial-card .author {
    font-weight: 600;
    color: var(--primary-color);
    font-size: 1rem;
}

.feature-cards {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}


/* Area Section */
.area-list {
    margin-top: 30px;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
}

.area-list span {
    background-color: var(--card-bg);
    border: 1px solid #ddd;
    padding: 10px 20px;
    border-radius: 20px;
    font-weight: 600;
}

/* Contact Section */
.contact-section {
    background-color: var(--primary-color);
    color: var(--text-dark);
}

.contact-section h2 {
    font-size: 2.8rem;
}

.contact-section .hero-cta {
    background-color: var(--accent-color);
    color: var(--text-light);
}
.contact-section .hero-cta:hover {
    background-color: #fff;
    color: var(--text-light);
}

/* Footer */
footer {
    background-color: #FFFFFF;
    text-align: center;
    padding: 20px 0;
    border-top: 1px solid #eee;
    color: var(--text-light);
}

footer a {
    font-weight: 600;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none; /* Simple hide for mobile, can be replaced with a burger menu */
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .section-title {
        font-size: 2rem;
    }

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

/* Gallery Section */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.gallery-grid img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-radius: 8px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
    border: 1px solid #ddd;
}

.gallery-grid img:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}