:root {
        --green-dark: #0f381e;
        --green-main: #1e4d2b;
        --green-medium: #2d7a42;
        --green-light: #e8f5e9;
        --green-accent: #82c91e;
        --bg-soft: #f8faf9;
        --bg-accent-light: #eaf4ed;
        --bg-muted-green: #f2f7f4;
    }

    body {
        font-family: 'Plus Jakarta Sans', sans-serif;
        background-color: var(--bg-soft);
        color: #333333;
    }

    /* Section Background Contrast Variations */
    .section-bg-white { background-color: #ffffff; }
    .section-bg-soft { background-color: var(--bg-soft); }
    .section-bg-light-green { background-color: var(--bg-accent-light); }
    .section-bg-muted-green { background-color: var(--bg-muted-green); }
    .section-bg-dark { background-color: var(--green-dark); color: #ffffff; }

    /* Hero Carousel */
    .hero-carousel .carousel-item {
        height: 60vh;
        min-height: 420px;
        background-size: cover;
        background-position: center;
        position: relative;
    }

    .hero-carousel .carousel-item::before {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(180deg, rgba(15, 56, 30, 0.75) 0%, rgba(15, 56, 30, 0.9) 100%);
    }

    .hero-carousel .carousel-caption {
        bottom: 25%;
        z-index: 2;
    }

    /* Generic Section Card Styling */
    .csie-card {
        border: none;
        border-radius: 1.25rem;
        background: #ffffff;
        box-shadow: 0 8px 24px rgba(0,0,0,0.04);
        transition: all 0.35s ease;
        height: 100%;
        overflow: hidden;
    }

    .csie-card:hover {
        transform: translateY(-6px);
        box-shadow: 0 16px 32px rgba(30, 77, 43, 0.12);
    }

    /* Divisi Card Interactive */
    .divisi-card {
        position: relative;
        border-top: 4px solid var(--green-accent);
        padding: 1.5rem 1rem;
        text-align: center;
    }

    .divisi-icon {
        width: 60px;
        height: 60px;
        border-radius: 50%;
        background: var(--green-light);
        color: var(--green-main);
        display: inline-flex;
        align-items: center;
        justify-content: center;
        font-size: 1.75rem;
        margin-bottom: 1rem;
        transition: all 0.3s ease;
    }

    .divisi-card:hover .divisi-icon {
        background: var(--green-main);
        color: #ffffff;
        transform: scale(1.1);
    }

    /* Layanan Cards & Mobile Responsive */
    .layanan-card {
        cursor: pointer;
    }

    .layanan-img-wrapper {
        position: relative;
        height: 140px;
        overflow: hidden;
    }

    @media (min-width: 768px) {
        .layanan-img-wrapper {
            height: 180px;
        }
    }

    .layanan-img-wrapper img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.5s ease;
    }

    .layanan-card:hover .layanan-img-wrapper img {
        transform: scale(1.08);
    }

    .layanan-overlay-badge {
        position: absolute;
        top: 8px;
        right: 8px;
        background: rgba(15, 56, 30, 0.85);
        color: #fff;
        padding: 3px 8px;
        border-radius: 50rem;
        font-size: 0.7rem;
        backdrop-filter: blur(4px);
    }

    /* Buku / Publikasi Section */
    .book-card {
        border: none;
        background: #ffffff;
        border-radius: 1rem;
        padding: 1rem;
        box-shadow: 0 6px 18px rgba(0,0,0,0.04);
        cursor: pointer;
        transition: transform 0.3s ease, box-shadow 0.3s ease;
        height: 100%;
    }

    .book-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 12px 24px rgba(30, 77, 43, 0.12);
    }

    .book-cover-wrapper {
        border-radius: 0.75rem;
        overflow: hidden;
        box-shadow: 0 6px 15px rgba(0,0,0,0.1);
        max-width: 100%;
        margin: 0 auto;
    }

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

    @media (min-width: 768px) {
        .book-cover-wrapper img {
            height: 250px;
        }
    }

    /* Fasilitas Slider Icon Card */
    .facility-icon-card {
        background: rgba(255, 255, 255, 0.08);
        backdrop-filter: blur(8px);
        border: 1px solid rgba(255, 255, 255, 0.15);
        border-radius: 1.25rem;
        padding: 2.5rem 1.5rem;
        text-align: center;
        color: #ffffff;
        transition: all 0.3s ease;
    }

    .facility-icon-card:hover {
        background: rgba(255, 255, 255, 0.18);
        transform: translateY(-4px);
    }

    .facility-icon-box {
        width: 80px;
        height: 80px;
        background: var(--green-accent);
        color: var(--green-dark);
        border-radius: 50%;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        font-size: 2.25rem;
        margin-bottom: 1.25rem;
        box-shadow: 0 8px 20px rgba(130, 201, 30, 0.3);
    }

    /* Modal Custom Styling */
    .modal-header-custom {
        background-color: var(--green-main);
        color: #ffffff;
    }