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

body {
    font-family: 'Segoe UI', 'Roboto', 'Arial', sans-serif;
    background: linear-gradient(180deg, #001a33 0%, #003d66 50%, #001a33 100%);
    color: #fff;
    line-height: 1.7;
    position: relative;
    overflow-x: hidden;
}

/* Mobile grid pattern background */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(0deg, transparent 24%, rgba(0, 230, 255, 0.03) 25%, rgba(0, 230, 255, 0.03) 26%, transparent 27%, transparent 74%, rgba(0, 230, 255, 0.03) 75%, rgba(0, 230, 255, 0.03) 76%, transparent 77%, transparent),
        linear-gradient(90deg, transparent 24%, rgba(0, 230, 255, 0.03) 25%, rgba(0, 230, 255, 0.03) 26%, transparent 27%, transparent 74%, rgba(0, 230, 255, 0.03) 75%, rgba(0, 230, 255, 0.03) 76%, transparent 77%, transparent);
    background-size: 50px 50px;
    pointer-events: none;
    z-index: 0;
}

/* Header - NON-STICKY */
header {
    background: linear-gradient(135deg, #00e6ff, #0099cc, #00e6ff);
    padding: 25px 0;
    text-align: center;
    border-bottom: 4px solid #00ff88;
    box-shadow: 0 8px 40px rgba(0, 230, 255, 0.6);
    position: relative;
    z-index: 10;
    /* NO position sticky */
}

header img {
    max-width: 200px;
    height: auto;
    filter: drop-shadow(0 6px 20px rgba(0, 255, 136, 0.8));
}

header h1 {
    color: #001a33;
    font-size: 2em;
    margin-top: 15px;
    text-shadow: 0 0 20px rgba(0, 255, 136, 0.9), 2px 2px 4px rgba(255,255,255,0.5);
    font-weight: 700;
    letter-spacing: 2px;
}

/* Navigation - NON-STICKY with PLAY button */
nav {
    background: rgba(0, 26, 51, 0.95);
    padding: 18px 0;
    border-bottom: 3px solid #00e6ff;
    position: relative;
    z-index: 10;
    /* NO position sticky */
}

nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px;
}

nav ul li a {
    color: #00e6ff;
    text-decoration: none;
    padding: 14px 28px;
    display: block;
    background: linear-gradient(135deg, #003d66, #0066a1);
    border-radius: 30px;
    transition: all 0.3s ease;
    font-weight: 700;
    border: 3px solid #00e6ff;
    font-size: 1em;
    text-transform: uppercase;
    letter-spacing: 1px;
}

nav ul li a:hover {
    background: linear-gradient(135deg, #00e6ff, #00ff88);
    color: #001a33;
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 10px 25px rgba(0, 230, 255, 0.7);
}

/* PLAY button special styling */
nav ul li a[rel="nofollow"] {
    background: linear-gradient(135deg, #ff6b35, #ff8c42);
    border-color: #00ff88;
    animation: mobile-pulse 2s infinite;
}

@keyframes mobile-pulse {
    0%, 100% { box-shadow: 0 0 15px rgba(255, 107, 53, 0.6), 0 0 30px rgba(0, 255, 136, 0.4); }
    50% { box-shadow: 0 0 30px rgba(255, 107, 53, 0.9), 0 0 50px rgba(0, 255, 136, 0.7); }
}

nav ul li a[rel="nofollow"]:hover {
    background: linear-gradient(135deg, #00ff88, #00e6ff);
    color: #ff6b35;
}

main {
    max-width: 1400px;
    margin: 40px auto;
    padding: 0 25px;
    position: relative;
    z-index: 5;
}

/* Mobile Swipe Layout (Layout #23) */
.mobile-section {
    background: linear-gradient(135deg, rgba(0, 61, 102, 0.6), rgba(0, 102, 161, 0.5));
    border-radius: 25px;
    padding: 40px;
    margin-bottom: 40px;
    border: 4px solid rgba(0, 230, 255, 0.6);
    box-shadow: 0 12px 45px rgba(0, 0, 0, 0.5);
    position: relative;
    overflow: hidden;
}

.mobile-section::before {
    content: '📱';
    position: absolute;
    top: -30px;
    right: -30px;
    font-size: 150px;
    opacity: 0.1;
    transform: rotate(15deg);
}

.mobile-section h2 {
    color: #00ff88;
    font-size: 2.2em;
    margin-bottom: 22px;
    text-align: center;
    text-shadow: 0 0 20px rgba(0, 255, 136, 0.8), 2px 2px 6px rgba(0,0,0,0.9);
}

.mobile-section p {
    font-size: 1.15em;
    margin-bottom: 20px;
    text-align: justify;
    color: #fff;
    line-height: 1.8;
}

/* Hero Section */
.hero-section {
    position: relative;
    margin-bottom: 40px;
    border-radius: 25px;
    overflow: hidden;
    box-shadow: 0 18px 60px rgba(0, 230, 255, 0.5);
    border: 5px solid #00e6ff;
}

.hero-section img {
    width: 100%;
    height: auto;
    display: block;
}

.hero-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0,26,51,0.95), transparent);
    padding: 50px;
    color: #fff;
}

.hero-overlay h2 {
    font-size: 3em;
    color: #00ff88;
    margin-bottom: 15px;
    text-shadow: 0 0 30px rgba(0, 255, 136, 1), 3px 3px 6px rgba(0,0,0,0.9);
}

.hero-overlay p {
    font-size: 1.5em;
    text-shadow: 0 0 20px rgba(0, 230, 255, 0.7), 2px 2px 4px rgba(0,0,0,0.8);
}

/* Mobile Swipe Grid - Horizontal Scroll Effect */
.mobile-swipe-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
    margin-top: 30px;
}

.mobile-card {
    background: linear-gradient(135deg, rgba(0, 61, 102, 0.8), rgba(0, 102, 161, 0.7));
    border-radius: 20px;
    overflow: hidden;
    border: 4px solid rgba(0, 230, 255, 0.7);
    transition: all 0.4s ease;
    cursor: pointer;
    position: relative;
}

.mobile-card::after {
    content: '📲';
    position: absolute;
    top: 10px;
    right: 10px;
    font-size: 40px;
    opacity: 0;
    transition: all 0.4s;
}

.mobile-card:hover::after {
    opacity: 1;
    transform: scale(1.2);
}

.mobile-card:hover {
    transform: translateX(-10px) scale(1.03);
    box-shadow: 0 18px 50px rgba(0, 255, 136, 0.7);
    border-color: #00ff88;
}

.mobile-card img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    display: block;
}

.mobile-card h3 {
    padding: 20px;
    color: #00ff88;
    font-size: 1.4em;
    text-align: center;
    text-shadow: 0 0 10px rgba(0, 255, 136, 0.7);
}

.mobile-card p {
    padding: 0 20px 20px;
    font-size: 1em;
    color: #fff;
    text-align: center;
}

/* CTA Button */
.cta-button {
    display: inline-block;
    background: linear-gradient(135deg, #ff6b35, #ff8c42);
    color: #fff;
    padding: 20px 50px;
    text-decoration: none;
    border-radius: 50px;
    font-size: 1.3em;
    font-weight: bold;
    margin: 25px auto;
    display: block;
    width: fit-content;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(255, 107, 53, 0.6);
    border: 4px solid #00ff88;
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

.cta-button:hover {
    background: linear-gradient(135deg, #00ff88, #00e6ff);
    color: #ff6b35;
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 255, 136, 0.8);
}

/* FAQ */
.faq-item {
    background: rgba(0, 61, 102, 0.6);
    padding: 25px;
    margin-bottom: 20px;
    border-radius: 15px;
    border-left: 6px solid #00ff88;
}

.faq-item h3 {
    color: #00ff88;
    margin-bottom: 12px;
    font-size: 1.3em;
}

/* Reviews */
.review {
    background: rgba(0, 61, 102, 0.6);
    padding: 25px;
    margin-bottom: 25px;
    border-radius: 15px;
    border-left: 6px solid #ff6b35;
}

.review-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 12px;
}

.review-author {
    color: #00ff88;
    font-weight: bold;
    font-size: 1.1em;
}

.review-rating {
    color: #00ff88;
    font-size: 1.3em;
}

/* Footer */
footer {
    background: linear-gradient(135deg, #001a33, #003d66);
    color: #fff;
    padding: 50px 25px 25px;
    margin-top: 70px;
    border-top: 5px solid #00e6ff;
    position: relative;
    z-index: 10;
}

.footer-grid {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 35px;
    margin-bottom: 35px;
}

.footer-section h3 {
    color: #00ff88;
    margin-bottom: 18px;
    font-size: 1.4em;
}

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

.footer-section ul li {
    margin-bottom: 12px;
}

.footer-section ul li a {
    color: #fff;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-section ul li a:hover {
    color: #00ff88;
}

.license-badge {
    background: linear-gradient(135deg, #003d66, #0066a1);
    color: #00ff88;
    padding: 12px 25px;
    border-radius: 12px;
    display: inline-block;
    margin-top: 12px;
    font-weight: bold;
    border: 3px solid #00ff88;
}

.footer-bottom {
    text-align: center;
    padding-top: 25px;
    border-top: 2px solid rgba(0, 230, 255, 0.3);
    color: #00e6ff;
}

/* Responsive */
@media (max-width: 768px) {
    header h1 {
        font-size: 1.5em;
    }
    
    nav ul {
        flex-direction: column;
        align-items: center;
    }
    
    .mobile-swipe-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-overlay h2 {
        font-size: 2em;
    }
    
    .hero-overlay p {
        font-size: 1.1em;
    }
}