:root {
    --primary-color: #2ecc71; /* Green GTA Style */
    --primary-hover: #27ae60;
    --bg-dark: #121212;
    --card-bg: #1e1e1e;
    --text-light: #ffffff;
    --text-gray: #b3b3b3;
    --accent: #f1c40f;
}

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

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--bg-dark);
    /* Nền gaming tối */
    background-image: radial-gradient(circle at 50% 0%, #2c3e50 0%, #000000 100%);
    color: var(--text-light);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    padding: 20px;
}

.container {
    max-width: 600px;
    width: 100%;
    margin: 0 auto;
}

/* Header Styles */
.header {
    text-align: center;
    margin-bottom: 25px;
    margin-top: 20px;
}

.badge-new {
    background: var(--accent);
    color: #000;
    font-weight: 800;
    font-size: 0.7rem;
    padding: 4px 12px;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

h1 {
    font-size: 2rem;
    margin-top: 10px;
    line-height: 1.2;
    text-shadow: 0 4px 10px rgba(0,0,0,0.5);
}

.highlight {
    color: var(--primary-color);
    font-weight: 800;
}

.subtitle {
    color: var(--text-gray);
    font-size: 0.9rem;
    margin-top: 5px;
}

/* Main Card (Glassmorphism) */
.main-card {
    background: rgba(30, 30, 30, 0.8);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
    margin-bottom: 30px;
}

.image-wrapper {
    position: relative;
    width: 100%;
    height: 250px;
    overflow: hidden;
}

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

.main-card:hover .image-wrapper img {
    transform: scale(1.05);
}

.overlay-gradient {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 60px;
    background: linear-gradient(to top, rgba(30,30,30,1), transparent);
}

/* Download Section */
.download-section {
    padding: 25px;
    text-align: center;
}

.file-info {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 25px;
    font-size: 0.85rem;
    color: var(--text-gray);
}

.file-info i {
    color: var(--primary-color);
    margin-right: 5px;
}

/* BUTTON STYLE - CRITICAL FOR CONVERSION */
.download-btn {
    display: block;
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--primary-hover) 100%);
    color: white;
    text-decoration: none;
    padding: 15px 20px;
    border-radius: 12px;
    box-shadow: 0 10px 20px rgba(46, 204, 113, 0.3);
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    position: relative;
    overflow: hidden;
    animation: pulse 2s infinite;
}

.download-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 30px rgba(46, 204, 113, 0.5);
    filter: brightness(1.1);
}

.btn-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.btn-icon {
    font-size: 2rem;
}

.btn-text {
    text-align: left;
    display: flex;
    flex-direction: column;
}

.main-text {
    font-weight: 800;
    font-size: 1.2rem;
    text-transform: uppercase;
}

.sub-text {
    font-size: 0.8rem;
    opacity: 0.9;
}

.safe-note {
    margin-top: 15px;
    font-size: 0.75rem;
    color: var(--primary-color);
    opacity: 0.8;
}

/* Content Body */
.content-body {
    padding: 0 10px;
    color: #ddd;
    line-height: 1.6;
}

.content-body h2, .content-body h3 {
    color: white;
    margin-bottom: 10px;
    margin-top: 20px;
}

.content-body p {
    margin-bottom: 15px;
    font-size: 0.95rem;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 15px;
    margin: 20px 0;
}

.feature-item {
    background: rgba(255, 255, 255, 0.05);
    padding: 15px;
    border-radius: 10px;
    border-left: 3px solid var(--primary-color);
}

.feature-item h3 {
    margin-top: 5px;
    font-size: 1.1rem;
    color: var(--primary-color);
}

.feature-item i {
    font-size: 1.5rem;
    color: var(--text-light);
}

footer {
    text-align: center;
    margin-top: 40px;
    padding-bottom: 20px;
    font-size: 0.8rem;
    color: #666;
}

/* Animation */
@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.02); }
    100% { transform: scale(1); }
}

/* Mobile Responsive */
@media (min-width: 768px) {
    .features-grid {
        grid-template-columns: 1fr 1fr 1fr;
    }
}