/* Reset dan Base Styles */
:root {
    --primary-blue: #1a237e;
    --primary-purple: #6a1b9a;
    --gradient-blue-purple: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-purple) 100%);
    --text-dark: #333;
    --text-light: #f5f5f5;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --radius: 8px;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: #fff;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header Styles */
.header {
    background-color: #fff;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

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

.nav-list {
    display: flex;
    list-style: none;
    gap: 25px;
}

.nav-link {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
    padding: 5px 0;
}

.nav-link:hover {
    color: var(--primary-blue);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-purple);
    transition: var(--transition);
}

.nav-link:hover::after {
    width: 100%;
}

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

/* Hero Section */
.hero {
    background: var(--gradient-blue-purple);
    color: var(--text-light);
    padding: 180px 0 100px;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: 2.5rem;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

.cta-button {
    display: inline-block;
    background-color: #fff;
    color: var(--primary-blue);
    padding: 12px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    background-color: var(--primary-purple);
    color: white;
}
/* Hero Slider Styles */
.hero-slider {
    position: relative;
    width: 100%;
    overflow: hidden;
}

.slider-container {
    display: flex;
    transition: transform 0.5s ease-in-out;
}

.slider-item {
    min-width: 100%;
    display: none;
    padding: 180px 0 100px;
}

.slider-item.active {
    display: block;
    animation: fadeIn 1s ease-in-out;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.slider-dots {
    position: absolute;
    bottom: 20px;
    left: 0;
    right: 0;
    display: flex;
    justify-content: center;
    gap: 10px;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: rgba(255,255,255,0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

.dot.active {
    background-color: white;
    transform: scale(1.2);
}


/* About Section */
.about {
    padding: 80px 0;
    background-color: #f9f9f9;
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
    font-size: 2rem;
    color: var(--primary-blue);
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: var(--gradient-blue-purple);
    margin: 15px auto;
    border-radius: 2px;
}

.about-content {
    display: flex;
    align-items: center;
    gap: 50px;
}

.about-image {
    flex: 1;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.about-image img {
    width: 100%;
    height: auto;
    display: block;
}

.about-text {
    flex: 1;
}

.about-text p {
    margin-bottom: 15px;
}

/* Articles Section */
.articles {
    padding: 80px 0;
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
}

.article-card {
    background-color: #fff;
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.article-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.article-image img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
}

.article-content {
    padding: 20px;
}

.article-title {
    font-size: 1.2rem;
    margin-bottom: 10px;
}

.article-excerpt {
    color: #666;
    margin-bottom: 15px;
}

.article-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
    color: #888;
}

.article-link {
    color: var(--primary-purple);
    text-decoration: none;
    font-weight: 500;
}

/* Testimonials Section */
.testimonials {
    background-color: #f9f9f9;
    padding: 80px 0;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 30px;
}

.testimonial-card {
    background-color: #fff;
    padding: 25px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
}

.testimonial-text {
    font-style: italic;
    margin-bottom: 20px;
}

.testimonial-author {
    border-top: 1px solid #eee;
    padding-top: 15px;
}

.author-name {
    font-weight: 600;
}

.author-role {
    color: #777;
    font-size: 0.9rem;
}

/* Footer */
.footer {
    background-color: #2a2a2a;
    color: #fff;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-title {
    font-size: 1.2rem;
    margin-bottom: 20px;
    color: #fff;
}

.footer-logo img {
    width: 150px;
}

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

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

.footer-links a {
    color: #bbb;
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover {
    color: #fff;
    padding-left: 5px;
}

.footer-contact address p {
    margin-bottom: 10px;
    color: #bbb;
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-contact i {
    width: 20px;
    color: var(--primary-purple);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #444;
    font-size: 0.9rem;
    color: #888;
}

/* WhatsApp Float Button */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background-color: #25D366;
    color: #fff;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 30px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.2);
    transition: var(--transition);
    text-decoration: none;
    z-index: 100;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    background-color: #128C7E;
}

/* Responsive Styles */
@media (max-width: 768px) {
    .nav-list {
        display: none;
    }
    
    .mobile-menu {
        display: block;
    }
    
    .hero {
        padding: 150px 0 80px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .about-content {
        flex-direction: column;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.8rem;
    }
    
    .articles-grid {
        grid-template-columns: 1fr;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
}