@keyframes goldGlow {
    0% { box-shadow: 0 0 15px rgba(255, 200, 0, 0.3); }
    50% { box-shadow: 0 0 35px rgba(255, 220, 50, 0.75); }
    100% { box-shadow: 0 0 15px rgba(255, 200, 0, 0.3); }
}

@keyframes subtleGlow {
    0% { filter: brightness(1); }
    50% { filter: brightness(1.12); }
    100% { filter: brightness(1); }
}
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background: #000000;
    font-family: Arial, sans-serif;
    color: white;
    display: flex;
    justify-content: center;
    padding: 50px 0;
}

.wrapper {
    text-align: center;
}

.hero-box {
    background: rgba(255, 255, 255, 0.05);
    padding: 10px;
    border-radius: 20px;
    width: 360px;
    margin: 0 auto;
    animation: goldGlow 3.5s infinite ease-in-out;
}

.hero-img {
    width: 100%;
    border-radius: 12px;
    animation: subtleGlow 4s infinite ease-in-out;
}

.btn-group {
    margin-top: 25px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    align-items: center;
}

.btn {
    display: block;
    width: 300px;
    padding: 12px 0;
    font-size: 17px;
    font-weight: bold;
    color: #000;
    text-decoration: none;
    border-radius: 6px;
}

.btn.gold {
    background: linear-gradient(#e8c547, #b8860b);
    border: 2px solid #fff7d1;
    box-shadow: 0 0 20px rgba(255, 215, 0, 0.4);
    animation: goldGlow 3s infinite ease-in-out;
    transition: 0.2s;
}

.btn.gold:hover {
    filter: brightness(1.1);
}

.welcome {
    margin-top: 30px;
    font-size: 22px;
    font-weight: 700;
}

footer {
    margin-top: 15px;
    font-size: 13px;
    opacity: 0.7;
}