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

html, body {
    height: 100%;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

body {
    position: relative;
    background-image: url('bg.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    overflow-x: hidden;
}

.background-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    z-index: 1;
}

.content-wrapper {
    position: relative;
    z-index: 2;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.main-content {
    text-align: center;
    color: white;
    max-width: 800px;
    width: 100%;
    animation: fadeInUp 1s ease-out;
}

.heading {
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: 300;
    letter-spacing: 0.1em;
    margin-bottom: 1.5rem;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.5);
}

.message {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    font-weight: 400;
    margin-bottom: 2rem;
    text-shadow: 2px 2px 6px rgba(0, 0, 0, 0.5);
}

.gratitude {
    font-size: clamp(1.1rem, 2.5vw, 1.5rem);
    line-height: 1.8;
    margin-bottom: 1.5rem;
    text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.5);
    font-weight: 300;
}

.closing {
    font-size: clamp(1rem, 2vw, 1.25rem);
    font-style: italic;
    text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.5);
    margin-top: 2rem;
    opacity: 0.95;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 768px) {
    .content-wrapper {
        padding: 1.5rem;
    }
    
    .main-content {
        padding: 1rem;
    }
}

@media (max-width: 480px) {
    body {
        background-attachment: scroll;
    }
    
    .content-wrapper {
        padding: 1rem;
    }
}