/* ==========================================================================
   CSS Custom Properties (Variables)
   ========================================================================== */
:root {
    --primary-green: #a8e6cf;
    --primary-blue: #7fcdbb;
    --dark-bg: #1a1a2e;
    --dark-card: #16213e;
    --dark-text: #e8e8e8;
    --accent: #5eb3a6;
    --shadow: rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
    --border-radius: 10px;
}

/* ==========================================================================
   Global Styles & Resets
   ========================================================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--dark-bg);
    color: var(--dark-text);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* ==========================================================================
   Animations
   ========================================================================== */
@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

/* ==========================================================================
   Preloader
   ========================================================================== */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--dark-bg);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.preloader.fade-out {
    opacity: 0;
    visibility: hidden;
}

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

.preloader-content img {
    width: 80px;
    height: auto;
    margin-bottom: 20px;
    animation: pulse 1.5s infinite ease-in-out;
}

.preloader-text {
    color: var(--primary-green);
    font-size: 1.2rem;
    font-weight: 600;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
header {
    background: linear-gradient(135deg, var(--primary-green), var(--primary-blue));
    box-shadow: 0 2px 10px var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
    transition: var(--transition);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 0; /* More padding for balance */
}

.logo-link {
    text-decoration: none;
    color: inherit;
}

.logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--dark-bg);
}

.logo img {
    height: 50px;
    width: auto;
    display: block;
    margin-right: 10px;
}

.logo p {
    margin: 0;
}

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

.nav-links li {
    margin-left: 20px;
}

.nav-links a {
    text-decoration: none;
    color: var(--dark-bg);
    font-weight: 500;
    padding: 5px 10px;
    border-radius: 4px;
    transition: var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
    background-color: rgba(255, 255, 255, 0.2);
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--dark-bg);
    font-size: 1.5rem;
    cursor: pointer;
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-green), var(--primary-blue));
    color: var(--dark-bg);
    padding: 12px 30px;
    text-decoration: none;
    border-radius: 30px;
    font-weight: bold;
    margin: 10px;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    text-align: center;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary-green);
    color: var(--primary-green);
}

.btn-outline:hover {
    background: var(--primary-green);
    color: var(--dark-bg);
}

.btn-small {
    padding: 8px 20px;
    font-size: 0.9rem;
}

.btn-block {
    display: block;
    width: 100%;
    margin: 0;
}

.btn-disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-disabled:hover {
    transform: none;
    box-shadow: none;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
    padding: 80px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(168, 230, 207, 0.2), rgba(127, 205, 187, 0.2));
    z-index: -1;
}

.hero .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}

.hero-content {
    flex: 1;
    text-align: left;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    color: var(--primary-green);
    line-height: 1.2;
}

.hero p {
    font-size: 1.2rem;
    max-width: 600px;
    margin-bottom: 30px;
}

.hero-buttons {
    margin-bottom: 40px;
}

.hero-stats {
    display: flex;
    gap: 30px;
}

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

.stat-number {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-blue);
}

.stat-label {
    font-size: 0.9rem;
    opacity: 0.8;
}

.hero-image {
    flex: 1;
    max-width: 500px;
}

.hero-image img {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

/* ==========================================================================
   Main Content & Sections
   ========================================================================== */
main {
    padding: 40px 0;
}

.section {
    margin-bottom: 80px;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 30px;
    color: var(--primary-green);
    text-align: center;
    position: relative;
    padding-bottom: 15px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-green), var(--primary-blue));
}

/* About Section */
.about-content {
    display: flex;
    gap: 40px;
    align-items: center;
}

.about-text {
    flex: 1;
}

.about-text p {
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.about-image {
    flex: 1;
    max-width: 500px;
}

.about-image img {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

/* ==========================================================================
   Standard Card Component (FITUR, INFO, etc.)
   ========================================================================== */
.card-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.card {
    background-color: var(--dark-card);
    border-radius: var(--border-radius);
    padding: 25px; /* Padding asli ada di sini */
    box-shadow: 0 5px 15px var(--shadow);
    transition: var(--transition);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.card-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-green), var(--primary-blue));
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 20px;
}

.card-icon i {
    font-size: 1.5rem;
    color: var(--dark-bg);
}

.card h3 {
    color: var(--primary-blue);
    margin-bottom: 15px;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
}

.card p {
    margin-bottom: 20px;
    flex-grow: 1;
}

.card-link {
    display: inline-flex;
    align-items: center;
    color: var(--accent);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.card-link:hover {
    text-decoration: underline;
    transform: translateX(5px);
}

.card-link i {
    margin-left: 5px;
}

/* ==========================================================================
   Download Card Component (Terpisah)
   ========================================================================== */
.download-content {
    margin-top: 40px;
}

.download-info {
    text-align: center;
    margin-bottom: 40px;
}

.download-info h3 {
    font-size: 1.8rem;
    color: var(--primary-green);
    margin-bottom: 10px;
}

/* 1. Gunakan grid yang sama dengan .card-container */
.download-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

/* 2. Buat .download-card mirip dengan .card */
.download-card {
    background-color: var(--dark-card);
    border-radius: var(--border-radius);
    padding: 25px; /* Pindahkan padding ke sini agar ukuran luar sama */
    box-shadow: 0 5px 15px var(--shadow);
    transition: var(--transition);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.download-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.download-card.coming-soon {
    opacity: 0.8;
}

/* 3. Hapus padding dari elemen dalam, karena sekarang ada di .download-card */
.download-header {
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    /* padding: 20px; <-- DIHAPUS */
}

.download-header h4 {
    margin: 0;
    color: var(--primary-blue);
    font-size: 1.3rem;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
}

.download-size {
    background: rgba(255, 255, 255, 0.1);
    padding: 5px 10px;
    border-radius: 20px;
    font-size: 0.8rem;
}

.download-body {
    flex-grow: 1;
    /* padding: 20px; <-- DIHAPUS */
}

.download-body p {
    margin-bottom: 15px;
}

.download-features {
    list-style: none;
}

.download-features li {
    margin-bottom: 8px;
    display: flex;
    align-items: center;
}

.download-features i {
    color: var(--primary-green);
    margin-right: 10px;
}

.download-footer {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: auto;
    /* padding: 20px; <-- DIHAPUS */
}

/* ==========================================================================
   Status Badges
   ========================================================================== */
.status-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: bold;
    margin-left: 10px;
}

.status-fixed { background-color: #4caf50; color: white; }
.status-bug { background-color: #f44336; color: white; }
.status-new { background-color: #2196f3; color: white; }

/* ==========================================================================
   Gallery Section
   ========================================================================== */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
    margin-top: 40px;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: var(--border-radius);
    box-shadow: 0 5px 15px var(--shadow);
    cursor: pointer;
    transition: var(--transition);
    height: 250px;
}

.gallery-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.gallery-item:hover img {
    transform: scale(1.05);
}

.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    padding: 20px;
    transform: translateY(100%);
    transition: var(--transition);
}

.gallery-item:hover .gallery-overlay {
    transform: translateY(0);
}

.gallery-overlay h3 {
    color: var(--primary-green);
    margin-bottom: 5px;
}

.gallery-overlay p {
    color: var(--dark-text);
    font-size: 0.9rem;
}

/* ==========================================================================
   Lightbox
   ========================================================================== */
.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    z-index: 1000;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.lightbox.active {
    display: flex;
}

.lightbox-content {
    max-width: 90%;
    max-height: 90%;
    position: relative;
}

.lightbox-content img {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius);
}

.lightbox-close {
    position: absolute;
    top: -40px;
    right: 0;
    color: var(--dark-text);
    font-size: 2rem;
    cursor: pointer;
    transition: var(--transition);
}

.lightbox-close:hover {
    color: var(--primary-green);
}

.lightbox-caption {
    position: absolute;
    bottom: -40px;
    left: 0;
    right: 0;
    text-align: center;
    color: var(--dark-text);
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    width: 100%;
    display: flex;
    justify-content: space-between;
    transform: translateY(-50%);
}

.lightbox-prev,
.lightbox-next {
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    justify-content: center;
    align-items: center;
}

.lightbox-prev:hover,
.lightbox-next:hover {
    background: rgba(255, 255, 255, 0.2);
}

.lightbox-prev { margin-left: -70px; }
.lightbox-next { margin-right: -70px; }

/* ==========================================================================
   Modal
   ========================================================================== */
.download-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 1000;
    justify-content: center;
    align-items: center;
}

.download-modal.active {
    display: flex;
}

.modal-content {
    background-color: var(--dark-card);
    border-radius: 15px;
    padding: 30px;
    max-width: 500px;
    width: 90%;
    position: relative;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 15px;
}

.modal-title {
    color: var(--primary-green);
    font-size: 1.8rem;
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    color: var(--dark-text);
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition);
}

.modal-close:hover {
    color: var(--primary-green);
}

/* Ganti nama agar tidak bentrok dengan .download-options */
.modal-download-options {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.download-option {
    display: flex;
    align-items: center;
    padding: 15px;
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius);
    transition: var(--transition);
    cursor: pointer;
    text-decoration: none;
    color: var(--dark-text);
}

.download-option:hover {
    background-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-3px);
}

.download-option i {
    font-size: 2rem;
    margin-right: 15px;
    color: var(--primary-blue);
}

.download-info h3 {
    margin: 0 0 5px 0;
    color: var(--primary-green);
}

.download-info p {
    margin: 0;
    font-size: 0.9rem;
    opacity: 0.8;
}

/* ==========================================================================
   Footer
   ========================================================================== */
footer {
    background-color: var(--dark-card);
    padding: 60px 0 20px;
    margin-top: 80px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    margin-bottom: 40px;
    gap: 30px;
}

.footer-section {
    flex: 1;
    min-width: 250px;
}

.footer-logo {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.footer-logo img {
    height: 40px;
    margin-right: 10px;
}

.footer-logo h3 {
    color: var(--primary-green);
    margin: 0;
    font-size: 1.5rem;
}

.footer-section h3 {
    color: var(--primary-green);
    margin-bottom: 20px;
    font-size: 1.2rem;
}

.footer-section p {
    margin-bottom: 20px;
    opacity: 0.8;
}

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

.footer-section ul li {
    margin-bottom: 15px;
}

.footer-section a {
    color: var(--dark-text);
    text-decoration: none;
    transition: var(--transition);
}

.footer-section a:hover {
    color: var(--primary-blue);
    text-decoration: underline;
}

.social-links {
    display: flex;
    margin-top: 20px;
}

.social-links a {
    display: inline-block;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--dark-text);
    border-radius: 50%;
    text-align: center;
    line-height: 40px;
    margin-right: 10px;
    transition: var(--transition);
}

.social-links a:hover {
    background-color: var(--primary-green);
    color: var(--dark-bg);
    transform: translateY(-3px);
}

.copyright {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.9rem;
    opacity: 0.8;
}

.copyright i {
    color: var(--primary-green);
    margin: 0 5px;
}

/* ==========================================================================
   Back to Top Button
   ========================================================================== */
#back-to-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-green), var(--primary-blue));
    color: var(--dark-bg);
    border: none;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 99;
}

#back-to-top.show {
    opacity: 1;
    visibility: visible;
}

#back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */
@media (max-width: 992px) {
    .hero .container {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-content {
        text-align: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .about-content {
        flex-direction: column;
    }
    
    .about-text, 
    .about-image {
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }

    .nav-links {
        position: fixed;
        top: 0; /* Akan diatur oleh JS */
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px); /* Akan diatur oleh JS */
        background: linear-gradient(135deg, var(--primary-green), var(--primary-blue));
        flex-direction: column;
        align-items: center;
        padding-top: 50px;
        transition: left 0.5s;
    }

    .nav-links.active {
        left: 0;
    }

    .nav-links li {
        margin: 15px 0;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .footer-content {
        flex-direction: column;
    }
    
    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 15px;
    }
    
    .lightbox-prev {
        margin-left: 10px;
    }
    
    .lightbox-next {
        margin-right: 10px;
    }
}

@media (max-width: 576px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 15px;
    }
    
    .card-container,
    .download-options {
        grid-template-columns: 1fr;
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
    }
}