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

body, html {
    height: 100%;
    width: 100%;
    overflow: hidden;
    font-family: 'Helvetica', sans-serif;
}

body {
    background: linear-gradient(135deg, #40E0D0, #FF8C00);
    background-size: 400% 400%;
    animation: gradientBG 15s ease infinite;
    display: flex;
    justify-content: center;
    align-items: center;
}

.container {
    text-align: center;
}

h1 {
    font-size: 6rem;
    font-weight: 400;
    color: white;
    text-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    user-select: none;
}

.fade-in {
    animation: fadeInScale 1.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes gradientBG {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

@keyframes fadeInScale {
    0% {
        opacity: 0;
        transform: scale(0.8) translateY(20px);
    }
    100% {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

/* Kisebb képernyőkre való igazítás */
@media (max-width: 768px) {
    h1 {
        font-size: 4rem;
        letter-spacing: 0.2rem;
    }
}