:root {
    --light-blue: #E9F8F9;
    --medium-blue: #5BA4CF;
    --dark-blue: #005792;
    --accent-blue: #00BBF0;
    --navy: #0F1035;
    --text-dark: #2D3250;
    --text-medium: #555;
    --text-light: #fff;
    --light-gray: #f5f5f5;
}
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', Arial, sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    line-height: 1.6;
    background-color: var(--light-blue);
    color: var(--text-dark);
}

a {
    text-decoration: none;
    color: inherit;
}

/* Header & Navigation */
header {
    background-color: #fff;
    position: fixed;
    width: 100%;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(15, 16, 53, 0.1);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: #0F1035;
}
.nav-links {
    display: flex;
    gap: 2.5rem;
}

.nav-links a {
    font-weight: 500;
    transition: all 0.3s ease;
    color: var(--text-dark);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: var(--accent-blue);
    transition: width 0.3s ease;
}

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

.nav-links a:hover, .nav-links a.active {
    color: var(--dark-blue);
}
.nav-links {
    display: flex;
    gap: 2.5rem;
}

.nav-links a {
    font-weight: 500;
    transition: all 0.3s ease;
    color: var(--text-dark);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: var(--accent-blue);
    transition: width 0.3s ease;
}

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

.nav-links a:hover, .nav-links a.active {
    color: var(--dark-blue);
}

.auth-btns {
    display: flex;
    gap: 1rem;
}

.btn {
    padding: 0.5rem 1.2rem;
    border-radius: 5px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-outline {
    border: 1px solid #365486;
    color: #365486;
}

.btn-filled {
    background-color: #365486;
    color: #fff;
    border: 1px solid #365486;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(15, 16, 53, 0.2);
}

/* Hero Carousel CSS */
.hero-carousel {
    position: relative;
    width: 100%;
    height: 100vh;
    overflow: hidden;
    background-color: var(--navy);
}

.carousel-container {
    width: 100%;
    height: 100%;
    position: relative;
}

.carousel-track {
    display: flex;
    height: 100%;
}

.carousel-slide {
    min-width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.4s ease-in-out;
    position: absolute;
    top: 0;
    left: 0;
    display: flex;
    justify-content: center;
    visibility: hidden;
}

.carousel-slide.active {
    opacity: 1;
    visibility: visible;
    z-index: 1;
}

.banner-content {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1400px;
    margin: 0 auto;
}

.banner-text {
    width: 45%;
    color: var(--text-light);
    z-index: 2;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.carousel-slide.active .banner-text {
    opacity: 1;
    transform: translateY(0);
}

.banner-text h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.banner-text p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

.banner-image {
    width: 50%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    opacity: 0;
    transform: translateX(30px);
    transition: opacity 0.8s ease 0.2s, transform 0.8s ease 0.2s;
}

.carousel-slide.active .banner-image {
    opacity: 1;
    transform: translateX(0);
}

.banner-img {
    max-width: 100%;
    max-height: 80%;
    object-fit: contain;
}

.carousel-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.2rem;
    z-index: 10;
    background-color: rgba(255, 255, 255, 0.2);
    color: #fff;
    transition: all 0.3s ease;
}

.carousel-arrow:hover {
    background-color: rgba(255, 255, 255, 0.4);
}

.arrow-left {
    left: 20px;
}

.arrow-right {
    right: 20px;
}

.carousel-indicators {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 10;
}

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

.indicator.active {
    width: 30px;
    border-radius: 10px;
    background-color: var(--medium-blue);
}

/* Banner color themes */
.slide-theme-dark {
    background-color: var(--navy);
}

.slide-theme-dark .banner-text {
    color: var(--text-light);
}

.slide-theme-light {
    background-color: var(--light-blue);
}

.slide-theme-light .banner-text {
    color: var(--text-dark);
}

.slide-theme-gradient {
    background: linear-gradient(135deg, var(--dark-blue), var(--navy));
}

/* About Section */
.about {
    padding: 5rem 5%;
    text-align: center;
    background-color: white;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    width: 50%;
    height: 3px;
    background-color: var(--medium-blue);
    bottom: -10px;
    left: 25%;
}

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

.about p {
    margin-bottom: 1.5rem;
    font-size: 1.05rem;
}

/* Features Section */
.features {
    padding: 5rem 5%;
    background-color: var(--medium-blue);
}

.features-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    border-radius: 10px;
    padding: 2rem;
    transition: all 0.3s ease;
    text-align: center;
    background-color: var(--light-blue);
    box-shadow: 0 5px 15px rgba(54, 84, 134, 0.15);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    background-color: var(--dark-blue);
    color: var(--light-blue);
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.feature-card p {
    color: #666;
    font-size: 0.95rem;
}

/* Exploration Section */
.exploration {
    padding: 5rem 5%;
    text-align: center;
    background-color: white;
    color: var(--text-dark);
}

.exploration-carousel {
    position: relative;
    max-width: 1200px;
    margin: 3rem auto;
    overflow: hidden;
}

.exploration-carousel-container {
    display: flex;
    transition: transform 0.5s ease;
}

.exploration-slide {
    min-width: 100%;
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.sekumpulan-image {
    width: 200px;
    height: 300px;
    background-color: #ddd;
    border-radius: 8px;
    overflow: hidden;
}

.sekumpulan-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.exploration-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.5rem;
    z-index: 10;
    background-color: var(--navy);
    color: var(--light-blue);
}

.exploration-arrow-left {
    left: 20px;
}

.exploration-arrow-right {
    right: 20px;
}

/* How It Works Section */
.how-it-works {
    padding: 5rem 5%;
    text-align: center;
    background-color: var(--light-blue);
}

.steps-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.step-card {
    padding: 2rem;
    border-radius: 10px;
    background-color: var(--text-light);
    box-shadow: 0 5px 15px rgba(54, 84, 134, 0.15);
}

.step-number {
    display: inline-block;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    line-height: 40px;
    margin-bottom: 1rem;
    font-weight: 600;
    background-color: var(--dark-blue);
    color: var(--light-blue);
}

.step-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.step-card p {
    color: #666;
    font-size: 0.95rem;
}

/* Footer */
footer {
    padding: 3rem 5%;
    background-color: var(--navy);
    color: var(--light-blue);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.footer-social {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.footer-social a {
    display: inline-block;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    background-color: rgba(220, 242, 241, 0.1);
}

.footer-social a:hover {
    transform: translateY(-3px);
    background-color: var(--medium-blue);
    color: var(--navy);
}

.footer-links h4, .footer-contact h4 {
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

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

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a:hover {
    color: var(--medium-blue);
}

.footer-contact p {
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.copyright {
    text-align: center;
    padding: 1.5rem 0 0;
    margin-top: 2rem;
    border-top: 1px solid rgba(220, 242, 241, 0.1);
}

/* Parallax Effect */
.parallax-section {
    position: relative;
    height: 300px;
    background-attachment: fixed;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    display: flex;
    align-items: center;
    justify-content: center;
}

.parallax-content {
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    max-width: 600px;
    background-color: rgba(15, 16, 53, 0.8);
    color: var(--light-blue);
}

.parallax-content h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}
 /* Featured Article Section */
        .featured-section {
            padding: 3rem 5%;
            background-color: var(--light-blue);
        }

        .section-header {
            text-align: center;
            margin-bottom: 2rem;
        }

        .section-title {
            font-size: 2rem;
            color: var(--dark-blue);
            margin-bottom: 0.5rem;
        }

        .section-subtitle {
            color: var(--text-dark);
            font-size: 1.1rem;
        }

        .featured-article {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            background-color: white;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }

        .featured-image {
            height: 400px;
            overflow: hidden;
        }

        .featured-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .featured-content {
            padding: 2rem;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .article-tag {
            display: inline-block;
            padding: 0.25rem 1rem;
            background-color: var(--medium-blue);
            color: white;
            border-radius: 20px;
            font-size: 0.8rem;
            margin-bottom: 1rem;
        }

        .article-date {
            color: #888;
            font-size: 0.9rem;
            margin-bottom: 1rem;
        }

        .article-title {
            font-size: 1.8rem;
            margin-bottom: 1rem;
            color: var(--dark-blue);
        }

        .article-excerpt {
            margin-bottom: 1.5rem;
            color: var(--text-dark);
        }

        .read-more {
            color: var(--dark-blue);
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            width: fit-content;
            transition: all 0.3s ease;
        }

        .read-more:hover {
            color: var(--navy);
            transform: translateX(5px);
        }

        /* Article Carousel Section */
        .carousel-section {
            padding: 3rem 5%;
            background-color: white;
        }

        .carousel-container {
            position: relative;
            margin: 0 -15px;
        }

        .article-carousel {
            display: flex;
            overflow: hidden;
        }

        .article-card {
            background-color: white;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            margin: 15px;
            transition: all 0.3s ease;
            height: 100%;
        }

        .article-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
        }

        .article-image {
            height: 200px;
            overflow: hidden;
        }

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

        .article-card-content {
            padding: 1.5rem;
        }

        .card-date {
            color: #888;
            font-size: 0.8rem;
            margin-bottom: 0.5rem;
        }

        .card-title {
            font-size: 1.2rem;
            margin-bottom: 1rem;
            color: var(--dark-blue);
            line-height: 1.4;
        }

        .card-excerpt {
            font-size: 0.9rem;
            margin-bottom: 1rem;
            color: var(--text-dark);
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .slick-prev, .slick-next {
            width: 40px;
            height: 40px;
            background-color: var(--dark-blue);
            border-radius: 50%;
            z-index: 10;
        }

        .slick-prev:hover, .slick-next:hover {
            background-color: var(--navy);
        }

        .slick-prev:before, .slick-next:before {
            font-size: 20px;
        }

        .slick-prev {
            left: -5px;
        }

        .slick-next {
            right: -5px;
        }

        /* Mountain Articles Section */
        .mountain-section {
            padding: 3rem 5%;
            background-color: var(--light-gray);
        }

        .articles-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 2rem;
        }

        /* Latest Articles Section */
        .latest-section {
            padding: 3rem 5%;
            background-color: white;
        }

        .article-row {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 2rem;
            margin-bottom: 3rem;
        }

        .main-article {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            background-color: white;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            height: 100%;
        }

        .side-articles {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }

        .side-article {
            display: flex;
            gap: 1rem;
            background-color: white;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            height: calc(50% - 1rem);
        }

        .side-image {
            flex: 0 0 40%;
            min-height: 100%;
            overflow: hidden;
        }

        .side-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .side-content {
            flex: 1;
            padding: 1rem;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .side-title {
            font-size: 1rem;
            margin-bottom: 0.5rem;
            color: var(--dark-blue);
        }

/* Responsive Design */
@media (max-width: 992px) {
    .banner-content {
        flex-direction: column;
        justify-content: center;
        text-align: center;
    }
    
    .banner-text {
        width: 90%;
        padding: 1rem;
        margin-top: -60px;
    }
    
    .banner-text h1 {
        font-size: 2.5rem;
    }
    
    .banner-image {
        width: 80%;
        justify-content: center;
        margin-top: 2rem;
    }
    
    .banner-img {
        max-height: 50vh;
    }
}

@media (max-width: 768px) {
    .navbar {
        flex-direction: column;
        padding: 1rem;
        background-color: #f0f0f0;
    }
    
    .logo {
        margin-bottom: 1rem;
    }
    
    .nav-links {
        margin-bottom: 1rem;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .banner-text h1 {
        font-size: 2rem;
    }
    
    .banner-text p {
        font-size: 1rem;
    }
    
    .banner-img {
        max-height: 40vh;
    }
    
    .carousel-indicators {
        bottom: 20px;
    }
    
    .artikel-grid {
        grid-template-columns: 1fr;
    }
    
    .artikel-nav {
        flex-direction: column;
        gap: 1rem;
    }
}

@media (max-width: 576px) {
    .banner-text h1 {
        font-size: 2rem;
    }
    
    .sekumpulan-image {
        width: 150px;
        height: 225px;
    }
    
    .step-card {
        padding: 1.5rem;
    }
}