/* moonbix-pandora-theme.css */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;600;700;900&display=swap');

:root {
    --pandora-blue-dark: #001a33;
    --pandora-blue-medium: #003366;
    --pandora-green-neon: #33ffcc;
    --pandora-purple-glow: #6633ff;
    --pandora-text-light: #ccffff;
    --pandora-text-medium: #99ccff;
    --pandora-border-glow: rgba(51, 255, 204, 0.3);
    --pandora-shadow-deep: 0 8px 25px rgba(0, 26, 51, 0.7);
    --pandora-card-shadow: 0 5px 15px rgba(51, 255, 204, 0.4);
    --pandora-card-hover-shadow: 0 14px 30px rgba(51, 255, 204, 0.7);
    --purple-gradient: linear-gradient(90deg, var(--pandora-purple-glow), var(--pandora-green-neon));
    --bg-dark: var(--pandora-blue-dark);
    --text-light: var(--pandora-text-light);
    --btn-purple: var(--pandora-purple-glow);
    --btn-purple-hover: #826ee9;
    --border-dark: rgba(255, 255, 255, 0.15);
    --shadow-glow: 0 0 10px var(--pandora-green-neon);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: 'Poppins', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-light);
    overflow-x: hidden;
    min-height: 100vh;
    position: relative;
    background-image: url('bawah laut.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

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

a:focus-visible {
    outline: 3px solid var(--pandora-green-neon);
    outline-offset: 3px;
}

header {
    position: sticky;
    top: 0;
    background: rgba(0, 26, 51, 0.85);
    backdrop-filter: saturate(180%) blur(10px);
    z-index: 1000;
    padding: 1rem 2rem;
    box-shadow: 0 1px 6px rgb(0 0 0 / 0.4);
}

.navbar-nav .nav-link {
    color: var(--pandora-text-medium);
    font-weight: 500;
    transition: color 0.3s ease;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link:focus,
.navbar-nav .nav-item .nav-link.active {
    color: var(--pandora-green-neon);
    outline: none;
}

.navbar-brand {
    font-weight: 900;
    font-size: 1.5rem;
    background: var(--purple-gradient);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
    user-select: none;
    white-space: nowrap;
}

.btn-buy-tickets {
    background: var(--purple-gradient);
    border: none;
    color: #fff;
    font-weight: 600;
    padding: 0.5rem 1.4rem;
    border-radius: 30px;
    transition: background 0.35s ease, box-shadow 0.35s ease;
}

.btn-buy-tickets:hover,
.btn-buy-tickets:focus {
    background: linear-gradient(90deg, var(--pandora-purple-glow), var(--pandora-green-neon));
    outline: none;
    box-shadow: var(--shadow-glow);
}

.navbar-toggler .material-icons {
    color: var(--pandora-green-neon);
    font-size: 32px;
}

main {
    padding: 60px 15px 80px;
    background: rgba(0, 10, 20, 0.7);
    min-height: calc(100vh - 72px);
    color: var(--text-light);
}

h1 {
    font-weight: 900;
    font-size: 2.8rem;
    letter-spacing: 0.08em;
    color: var(--pandora-green-neon);
    text-align: center;
    margin-bottom: 15px;
    animation: fadeInUp 1s ease forwards;
    opacity: 0;
    text-shadow: 0 0 10px rgba(51, 255, 204, 0.8);
}

p.subtitle {
    color: var(--pandora-text-medium);
    max-width: 750px;
    margin: 0 auto 50px auto;
    font-weight: 400;
    font-size: 1.2rem;
    text-align: center;
    animation: fadeInUp 1s ease 0.3s forwards;
    opacity: 0;
}

.literasi-cards {
    display: grid;
    grid-template-columns: repeat(2, minmax(250px, 1fr));
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
    animation: fadeInUp 1s ease 0.6s forwards;
    opacity: 0;
    align-items: stretch;
}

/* KARTU MEKANISME EVOLUSI - EFEK KACA DAN CAHAYA BIRU TUA */
.literasi-card {
    background: rgba(0, 51, 102, 0.2); /* Latar belakang semi-transparan untuk efek kaca */
    backdrop-filter: blur(8px); /* Efek blur pada konten di belakangnya */
    border-radius: 18px;
    overflow: hidden;
    position: relative;
    box-shadow: 0 0 15px rgba(0, 51, 102, 0.5); /* Cahaya biru tua */
    cursor: pointer;
    
    display: flex;
    flex-direction: column;
    justify-content: center; 
    align-items: center;  
    gap: 20px;
    
    padding: 40px 20px;
    color: var(--pandora-text-light);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid rgba(0, 51, 102, 0.3); /* Border yang samar */
    min-height: 250px;
    text-align: center;
}

/* Latar Belakang Foto dengan Blur */
.literasi-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
    filter: blur(2px); /* <--- Atur nilai blur di sini */
    transform: scale(1.1); /* Untuk mencegah tepi terlihat */
    z-index: -1;
}

/* Atur Gambar Latar Belakang untuk Setiap Kartu */
.literasi-card:nth-child(1)::before {
    background-image: url('mutasi.png'); /* Ganti dengan nama file gambar Anda */
}
.literasi-card:nth-child(2)::before {
    background-image: url('gene\ flow.jpg'); /* Ganti dengan nama file gambar Anda */
}
.literasi-card:nth-child(3)::before {
    background-image: url('gene\ drift.png'); /* Ganti dengan nama file gambar Anda */
}
.literasi-card:nth-child(4)::before {
    background-image: url('seleksi\ alam.jpg'); /* Ganti dengan nama file gambar Anda */
}

/* Pastikan konten di atas latar belakang */
.literasi-card > h5,
.literasi-card > button {
    position: relative;
    z-index: 1;
}

/* Efek Pop-up ketika Kursor Diarahkan */
.literasi-card:focus-visible,
.literasi-card:hover {
    transform: translateY(-12px) scale(1.03); /* Kode untuk efek pop-up */
    box-shadow: 0 0 25px rgba(0, 102, 204, 0.8); /* Cahaya biru yang lebih terang saat hover */
    background: rgba(0, 51, 102, 0.4); /* Efek kaca yang lebih jelas saat hover */
    outline: none;
    z-index: 1;
}

.literasi-card h5 { 
    font-weight: 700;
    font-size: 1.6rem; 
    margin-bottom: 0;
    color: var(--pandora-green-neon);
    text-shadow: 0 0 8px rgba(51, 255, 204, 0.9);
}

.btn-read-more {
    background: linear-gradient(135deg, var(--pandora-purple-glow), var(--pandora-green-neon));
    border: none;
    color: #fff;
    font-weight: 600;
    padding: 12px 25px; 
    border-radius: 28px;
    font-size: 1.05rem;
    cursor: pointer;
    transition: background 0.3s ease, box-shadow 0.3s ease;
    width: 100%;
    max-width: 250px;
    user-select: none;
    text-align: center;
    letter-spacing: 0.08em;
    box-shadow: 0 4px 15px rgba(102, 51, 255, 0.5);
    display: block;
}

.btn-read-more:hover, .btn-read-more:focus-visible {
    background: linear-gradient(135deg, var(--pandora-green-neon), var(--pandora-purple-glow));
    outline: none;
    box-shadow: 0 8px 25px rgba(51, 255, 204, 0.8);
}

/* --- Styling untuk Modal Pop-up --- */
.custom-modal {
    display: none;
    position: fixed;
    z-index: 1050;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    padding-top: 60px;
    animation: fadeIn 0.3s ease-out;
}

.modal-content {
    background-color: var(--pandora-blue-medium);
    margin: 5% auto;
    padding: 30px;
    border: 1px solid var(--pandora-border-glow);
    width: 90%;
    max-width: 600px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(51, 255, 204, 0.5);
    animation: slideInTop 0.5s ease-out;
    position: relative;
}

.modal-content h3 {
    color: var(--pandora-green-neon);
    font-weight: 700;
    font-size: 1.8rem;
    text-shadow: 0 0 10px rgba(51, 255, 204, 0.8);
    margin-bottom: 15px;
    border-bottom: 2px solid var(--pandora-purple-glow);
    padding-bottom: 10px;
}

.modal-content p {
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 25px;
    color: var(--pandora-text-light);
    text-align: justify;
}

.modal-buttons {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 15px;
}

.modal-buttons .btn-back,
.modal-buttons .btn-next {
    font-weight: 600;
    padding: 10px 20px;
    border-radius: 25px;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 0.95rem;
    flex-grow: 1; /* Agar tombol memiliki ukuran yang fleksibel */
    text-align: center;
}

.modal-buttons .btn-back {
    background-color: #6633ff;
    color: white;
}

.modal-buttons .btn-back:hover {
    background-color: #826ee9;
    box-shadow: 0 4px 15px rgba(102, 51, 255, 0.6);
}

.modal-buttons .btn-next {
    background: linear-gradient(135deg, var(--pandora-green-neon), var(--pandora-purple-glow));
    color: black;
}

.modal-buttons .btn-next:hover {
    background: linear-gradient(135deg, var(--pandora-purple-glow), var(--pandora-green-neon));
    box-shadow: 0 4px 15px rgba(51, 255, 204, 0.6);
}

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

@keyframes slideInTop {
    from { transform: translateY(-50px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

footer {
    background: rgba(0, 10, 20, 0.9);
    color: #777ba0;
    padding: 40px 15px;
    text-align: center;
    font-size: 0.875rem;
    user-select: none;
    border-top: 1px solid rgba(51, 255, 204, 0.2);
    margin-top: 40px;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideDown {
    from { transform: translateY(-100%); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

/* --- Media Queries untuk Responsif --- */

@media (min-width: 768px) {
    .literasi-cards {
        grid-template-columns: repeat(4, 1fr);
        gap: 30px;
    }
}

@media (min-width: 768px) and (max-width: 1024px) {
    .literasi-cards {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }
}

@media (max-width: 767px) {
    .container-md { 
        padding: 0 12px; 
    }
    .navbar-brand { 
        font-size: 1.2rem; 
    }
    h1 { 
        font-size: 2.2rem; 
    }
    p.subtitle { 
        font-size: 1rem; 
    }
    .literasi-cards { 
        grid-template-columns: 1fr; 
        gap: 25px; 
    }
    .literasi-card { 
        padding: 20px; 
        min-height: 180px; 
    }
    .literasi-card h5 { 
        font-size: 1.4rem; 
        margin-bottom: 20px; 
    }
    .btn-read-more { 
        width: 90%; 
        max-width: none; 
    }
    
    .modal-buttons {
        flex-direction: column;
    }

    .modal-buttons .btn-back,
    .modal-buttons .btn-next {
        width: 100%;
        text-align: center;
    }
}