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

body {
    font-family: 'Google Sans', 'Roboto', 'Segoe UI', sans-serif;
    background: linear-gradient(135deg, #0a1628, #1a2a44, #0f3b5c);
    color: #fff;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    line-height: 1.6;
}

.container {
    text-align: center;
    max-width: 500px;
    width: 100%;
    padding: 50px 30px;
    background: rgba(10, 25, 60, 0.75);
    border-radius: 30px;
    backdrop-filter: blur(16px);
    border: 1px solid rgba(0, 180, 255, 0.4);
    box-shadow: 0 25px 70px rgba(0, 0, 0, 0.7);
}

/* Responsive Logo */
.logo-container {
    margin-bottom: 35px;
    animation: float 6s ease-in-out infinite;
}

.app-logo {
    width: 150px;
    height: 150px;
    border-radius: 32px;
    border: 6px solid #00ccff;
    box-shadow: 0 0 50px rgba(0, 204, 255, 0.7);
    transition: all 0.4s ease;
}

.app-logo:hover {
    transform: scale(1.15) rotate(6deg);
    box-shadow: 0 0 80px rgba(0, 204, 255, 1);
}

h1 {
    font-size: 3.8rem;
    font-weight: 900;
    background: linear-gradient(90deg, #00f0ff, #0099ff, #3366ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 10px;
}

.tagline {
    font-size: 1.3rem;
    color: #a0e6ff;
    margin-bottom: 40px;
    font-weight: 500;
}

/* Download Button */
.download-btn {
    display: inline-flex;
    align-items: center;
    gap: 16px;
    background: linear-gradient(45deg, #0077ff, #00aaff);
    color: white;
    font-size: 1.7rem;
    font-weight: bold;
    padding: 22px 50px;
    border-radius: 60px;
    text-decoration: none;
    box-shadow: 0 15px 40px rgba(0, 120, 255, 0.5);
    transition: all 0.4s ease;
    margin: 20px 0;
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

.download-btn:hover {
    transform: translateY(-12px) scale(1.08);
    background: linear-gradient(45deg, #0055dd, #0088ee);
    box-shadow: 0 30px 70px rgba(0, 100, 255, 0.8);
}

.apk-badge {
    background: #000;
    padding: 8px 18px;
    border-radius: 30px;
    font-size: 1rem;
    border: 3px solid #00eeff;
    font-weight: bold;
}

/* Download Counter */
.counter {
    margin: 40px 0;
    padding: 20px;
    background: rgba(0, 150, 255, 0.15);
    border-radius: 20px;
    border: 1px dashed rgba(0, 200, 255, 0.4);
    font-size: 1.4rem;
}

.counter-icon {
    display: block;
    font-size: 1.1rem;
    opacity: 0.8;
    margin-bottom: 8px;
}

.counter-number {
    display: block;
    font-size: 2.8rem;
    font-weight: 900;
    color: #00eeff;
    text-shadow: 0 0 20px rgba(0, 238, 255, 0.6);
    margin: 10px 0;
}

.counter-label {
    display: block;
    font-size: 1.1rem;
    opacity: 0.9;
}

/* Features Grid - Responsive */
.features {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
    margin: 40px 0;
    font-size: 1.15rem;
}

.feature-item {
    background: rgba(0, 120, 255, 0.2);
    padding: 14px;
    border-radius: 16px;
    border-left: 4px solid #00ccff;
    backdrop-filter: blur(5px);
}

footer {
    margin-top: 50px;
    font-size: 0.95rem;
    opacity: 0.8;
    color: #88d8ff;
}

/* Floating Animation */
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-30px); }
}

/* Mobile & Tablet Optimization */
@media (max-width: 480px) {
    .container { padding: 40px 20px; }
    h1 { font-size: 3.2rem; }
    .download-btn { font-size: 1.5rem; padding: 18px 40px; }
    .counter-number { font-size: 2.4rem; }
    .app-logo { width: 130px; height: 130px; }
}