:root {
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
    --blur: 20px;
}

body {
    font-family: 'Overpass', sans-serif;
    background-image: url('background.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    margin: 0;
    height: 100vh;
    overflow: hidden;
}

.overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.6) 0%, rgba(0, 0, 0, 0.3) 100%);
    z-index: 1;
}

.content-wrapper {
    z-index: 2;
    perspective: 1000px;
}

.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--blur));
    -webkit-backdrop-filter: blur(var(--blur));
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    max-width: 600px;
    width: 90%;
    position: relative;
    overflow: hidden;
    transition: transform 0.1s ease, box-shadow 0.3s ease;
}

.glass-card:hover {
    box-shadow: 0 12px 40px 0 rgba(0, 0, 0, 0.5);
}

.divider {
    height: 2px;
    width: 100px;
    background: linear-gradient(90deg, transparent, #fff, transparent);
}

h1 {
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
    letter-spacing: 1px;
}

.signature-text {
    font-family: 'Borel', cursive;
    font-size: 1.5rem;
    /* Adjusted for signature font readability */
    font-weight: 400;
    line-height: 1.2;
    display: block;
    margin-bottom: -42px;
}

.premium-btn {
    border-width: 2px;
    transition: all 0.3s cubic-bezier(0.19, 1, 0.22, 1);
    backdrop-filter: blur(4px);
    font-weight: 400;
    letter-spacing: 0.5px;
}

.premium-btn:hover {
    background-color: #fff;
    color: #000;
    transform: scale(1.05);
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.4);
}

.animate-fade-in {
    animation: fadeInUp 1.2s cubic-bezier(0.19, 1, 0.22, 1) forwards;
    opacity: 0;
    transform: translateY(30px);
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}