:root {
    --primary-color: #ffcc00; /* Màu vàng của Poppy Playtime */
    --accent-color: #ff3333;  /* Màu đỏ cảnh báo */
    --bg-dark: #0f0f13;
    --bg-card: #1a1a24;
    --text-light: #ffffff;
    --text-gray: #a0a0b0;
}

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

body {
    font-family: 'Roboto', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-light);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Background Effect */
.background-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, #2a2a3d 0%, #0f0f13 70%);
    z-index: -1;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
header {
    padding: 20px 0;
    text-align: center;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.logo {
    font-family: 'Anton', sans-serif;
    font-size: 2rem;
    letter-spacing: 2px;
}

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

/* Hero Section */
.hero {
    text-align: center;
    margin-top: 30px;
}

.game-cover {
    position: relative;
    display: inline-block;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    border: 2px solid rgba(255,255,255,0.1);
}

.game-cover img {
    max-width: 100%;
    height: auto;
    display: block;
    max-height: 300px;
    object-fit: cover;
}

.badge {
    position: absolute;
    top: 10px;
    right: 10px;
    background-color: var(--accent-color);
    color: white;
    padding: 5px 10px;
    font-size: 0.8rem;
    font-weight: bold;
    border-radius: 5px;
    text-transform: uppercase;
}

.hero-title {
    font-family: 'Anton', sans-serif;
    font-size: 2.5rem;
    margin: 20px 0 10px;
    text-transform: uppercase;
    color: var(--primary-color);
    text-shadow: 0 0 10px rgba(255, 204, 0, 0.3);
}

.subtitle {
    font-size: 1.1rem;
    color: var(--text-gray);
    margin-bottom: 30px;
}

/* BIG CTA BUTTON */
.cta-container {
    margin: 30px 0;
}

.download-btn {
    display: block;
    width: 100%;
    max-width: 450px;
    margin: 0 auto;
    background: linear-gradient(45deg, #ffcc00, #ff9900);
    color: #000;
    text-decoration: none;
    padding: 20px 15px;
    border-radius: 12px;
    font-weight: 900;
    font-size: 1.5rem;
    text-transform: uppercase;
    box-shadow: 0 0 20px rgba(255, 204, 0, 0.6);
    transition: transform 0.2s, box-shadow 0.2s;
    border: 3px solid #fff;
}

.btn-sub {
    display: block;
    font-size: 0.9rem;
    font-weight: normal;
    opacity: 0.9;
    margin-top: 5px;
    text-transform: none;
}

.download-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 0 40px rgba(255, 204, 0, 0.8);
    background: linear-gradient(45deg, #ffdd33, #ffaa00);
}

/* Pulse Animation */
@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(255, 204, 0, 0.7); }
    70% { box-shadow: 0 0 0 15px rgba(255, 204, 0, 0); }
    100% { box-shadow: 0 0 0 0 rgba(255, 204, 0, 0); }
}

.pulse-animation {
    animation: pulse 2s infinite;
}

/* Info Grid */
.info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    margin: 30px 0;
}

.info-item {
    background-color: var(--bg-card);
    padding: 15px;
    border-radius: 10px;
    text-align: center;
    border: 1px solid rgba(255,255,255,0.05);
}

.info-item .label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-gray);
    margin-bottom: 5px;
}

.info-item .value {
    font-weight: bold;
    color: var(--text-light);
    font-size: 1.1rem;
}

/* Content Body */
.content-body {
    background-color: var(--bg-card);
    padding: 30px;
    border-radius: 15px;
    margin-bottom: 40px;
}

.content-body h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
    margin-top: 20px;
    font-size: 1.5rem;
}

.content-body h3:first-child {
    margin-top: 0;
}

.content-body p {
    margin-bottom: 15px;
    color: #ccc;
}

.features-list {
    list-style: none;
    margin-bottom: 20px;
}

.features-list li {
    padding: 8px 0;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.secondary-cta {
    text-align: center;
    margin-top: 20px;
}

.text-link {
    color: var(--primary-color);
    text-decoration: underline;
    font-weight: bold;
}

/* Footer */
footer {
    text-align: center;
    padding: 20px;
    color: var(--text-gray);
    font-size: 0.8rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    margin-bottom: 20px;
}

/* Mobile Responsive */
@media (max-width: 600px) {
    .hero-title {
        font-size: 2rem;
    }
    .download-btn {
        font-size: 1.2rem;
    }
    .info-grid {
        grid-template-columns: 1fr;
    }
}