@import url('https://fonts.googleapis.com/css2?family=Lexend:wght@300;400;600&display=swap');

body {
    font-family: 'Lexend', sans-serif;
    margin: 0;
    padding: 0;
    background: linear-gradient(135deg, #0d1117, #161b22);
    color: white;
    text-align: center;
    overflow-x: hidden;
}

header {
    padding: 20px;
    background: rgba(22, 27, 34, 0.9);
    backdrop-filter: blur(10px);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 100;
}

.back-btn {
    color: white;
    text-decoration: none;
    font-size: 18px;
    padding: 10px 20px;
    background: rgba(88, 166, 255, 0.2);
    border-radius: 5px;
    transition: all 0.3s ease-in-out;
}

.back-btn:hover {
    background: #58a6ff;
}

main {
    padding: 120px 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 80vh;
}

.download-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 80%;
    max-width: 900px;
}

.left {
    text-align: left;
    width: 50%;
}

.left h1 {
    font-size: 48px;
    margin-bottom: 10px;
}

.left p {
    font-size: 20px;
    opacity: 0.8;
}

.right {
    width: 50%;
    display: flex;
    justify-content: center;
}

.download-box {
    background: rgba(22, 27, 34, 0.9);
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0px 0px 20px rgba(255, 255, 255, 0.1);
    width: 300px;
    backdrop-filter: blur(10px);
    text-align: center;
    animation: fadeIn 1s ease-in-out;
}

.download-icon {
    width: 80px;
    margin-bottom: 10px;
}

.btn {
    display: inline-block;
    background: #58a6ff;
    color: white;
    padding: 15px 25px;
    text-decoration: none;
    font-size: 20px;
    border-radius: 8px;
    margin-top: 20px;
    transition: all 0.3s ease-in-out;
    box-shadow: 0px 4px 10px rgba(88, 166, 255, 0.3);
}

.btn:hover {
    background: #1f6feb;
    transform: scale(1.05);
}

/* Animations */
.fade-in {
    opacity: 0;
    animation: fadeIn 1s ease-in forwards;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

footer {
    padding: 20px;
    background: rgba(22, 27, 34, 0.9);
    backdrop-filter: blur(10px);
    margin-top: 30px;
    font-size: 14px;
}