body {
    margin: 0;
    font-family: 'Segoe UI', sans-serif;
    text-align: center;
    color: white;
    background: radial-gradient(ellipse at bottom, #0b0c2a 0%, #000000 100%);
    overflow-x: hidden;
}

/* 🎉 Hero */
.hero {
    padding: 100px 20px;
}

h1 {
    font-size: 3em;
    animation: glow 2s infinite alternate;
}

@keyframes glow {
    from { text-shadow: 0 0 10px white; }
    to { text-shadow: 0 0 30px hotpink; }
}

button {
    padding: 15px 25px;
    font-size: 18px;
    background: white;
    color: hotpink;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: 0.3s;
}

button:hover {
    background: hotpink;
    color: white;
}

/* 💖 Hidden message */
.hidden {
    display: none;
}

/* 📸 Gallery */
.gallery {
    margin-top: 50px;
}

.photo-box {
    background: rgba(255, 255, 255, 0.2);
    margin: 20px auto;
    padding: 20px;
    width: 260px;
    border-radius: 15px;
    cursor: pointer;
    transition: 0.3s;
}

.photo-box:hover {
    transform: scale(1.05);
}

.hidden-img {
    width: 100%;
    margin-top: 15px;
    border-radius: 10px;
    display: none;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.show-img {
    display: block;
    opacity: 1;
}
body::before {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;

    background: transparent url("https://www.transparenttextures.com/patterns/stardust.png") repeat;

    animation: moveStars 60s linear infinite;
    opacity: 0.6;
    z-index: -1;
}

@keyframes moveStars {
    from { transform: translateY(0); }
    to { transform: translateY(-1000px); }
}
h1 {
    font-size: 3em;
    animation: glow 2s infinite alternate;
}

@keyframes glow {
    from { text-shadow: 0 0 10px #fff, 0 0 20px #6a5acd; }
    to { text-shadow: 0 0 20px #fff, 0 0 40px #00eaff; }
}
.photo-box, #message {
    background: rgba(255, 255, 255, 0.08);
    border-radius: 15px;
    backdrop-filter: blur(8px);
    box-shadow: 0 0 20px rgba(255,255,255,0.1);
}
.shooting-star {
    position: fixed;
    top: 20%;
    left: -100px;
    width: 2px;
    height: 80px;
    background: linear-gradient(white, transparent);
    transform: rotate(45deg);
    animation: shoot 5s linear infinite;
}

@keyframes shoot {
    0% {
        left: -100px;
        top: 20%;
        opacity: 1;
    }
    100% {
        left: 100%;
        top: 80%;
        opacity: 0;
    }
}