/* Font + Reset */
body {
    margin: 0;
    padding: 0;
    font-family: 'Inter', sans-serif;
    overflow: hidden;
    color: white;
    text-align: center;
}

/* Background Image */
.background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url("background.jpg") center/cover no-repeat;
    z-index: -2;
    animation: zoom 20s ease-in-out infinite alternate;
}

/* Background Zoom Animation */
@keyframes zoom {
    from { transform: scale(1); }
    to   { transform: scale(1.15); }
}

/* Dark Overlay */
.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.55);
    backdrop-filter: blur(6px);
    z-index: -1;
}

/* Center Container */
.container {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 90%;
    max-width: 500px;
}

/* Logo */
.logo {
    width: 180px;
    margin-bottom: 20px;
    filter: drop-shadow(0 0 10px rgba(0,0,0,0.6));
}

/* Titles */
.title {
    font-size: 38px;
    margin-bottom: 5px;
    font-weight: 700;
}

.subtitle {
    font-size: 18px;
    opacity: 0.85;
    margin-bottom: 35px;
}

/* Download Button */
.download-btn {
    display: inline-block;
    padding: 16px 40px;
    font-size: 22px;
    font-weight: 700;
    color: white;
    background: linear-gradient(135deg, #4b7bec, #3867d6);
    border-radius: 14px;
    text-decoration: none;
    transition: 0.3s;
    box-shadow: 0 10px 25px rgba(0,0,0,0.4);
}

.download-btn:hover {
    transform: translateY(-4px);
    filter: brightness(1.15);
}

/* Footer Links */
.links {
    margin-top: 40px;
}

.links a {
    margin: 0 15px;
    font-size: 16px;
    color: #dcdcdc;
    text-decoration: none;
    transition: 0.25s;
}

.links a:hover {
    color: white;
    text-shadow: 0 0 6px white;
}