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

body {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: #0f0f23;
    font-family: 'Arial', sans-serif;
    position: relative;
    overflow: hidden;
}

body::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 15% 20%, rgba(255, 215, 0, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 85% 80%, rgba(255, 140, 0, 0.06) 0%, transparent 40%),
        radial-gradient(circle at 50% 50%, rgba(255, 200, 0, 0.04) 0%, transparent 60%);
}

body::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(255, 215, 0, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 215, 0, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    opacity: 0.3;
}

.logo-container {
    text-align: center;
    animation: fadeIn 1.2s ease-out;
    position: relative;
    z-index: 1;
}

.logo-svg {
    width: 400px;
    height: 400px;
    filter: drop-shadow(0 25px 60px rgba(255, 215, 0, 0.4));
    animation: float 4s ease-in-out infinite;
}

.brand-name {
    margin-top: 30px;
    font-size: 48px;
    font-weight: bold;
    color: #FFD400;
    letter-spacing: 0;
    animation: slideUp 1.5s ease-out 0.5s both;
    text-shadow: 0 0 20px rgba(255, 212, 0, 0.5),
                 0 0 40px rgba(255, 212, 0, 0.3),
                 0 4px 8px rgba(0, 0, 0, 0.4);
    display: flex;
    justify-content: center;
    align-items: baseline;
    line-height: 1;
}

.brand-name span {
    display: inline-block;
    animation: expandLetter 1.5s cubic-bezier(0.4, 0, 0.2, 1) 1.2s both;
    transform-origin: center;
    line-height: 1;
}

.brand-name .letter-r {
    font-size: 60px;
    animation: none;
}

.brand-name .letter-small {
    font-size: 32px;
    text-transform: lowercase;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

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

@keyframes expandLetter {
    0% {
        opacity: 0;
        transform: scale(0.5) translateY(10px);
    }
    100% {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

@media (max-width: 480px) {
    .logo-svg {
        width: 280px;
        height: 280px;
    }
    .brand-name {
        font-size: 32px;
    }
    .brand-name .letter-r {
        font-size: 40px;
    }
    .brand-name .letter-small {
        font-size: 24px;
    }
}
