html, body {
    height: 100%;
    margin: 0;
    padding: 0;
}

body {
    font-family: Arial, sans-serif;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    color: #fff;
    background: radial-gradient(circle, #004e92, #000428);
    overflow: hidden;
}

.left-side {
    position: fixed;
    top: 0;
    bottom: 0;
    width: 35%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    z-index: 1;
    padding-top: 50px;
    background: none;
}

.logo-container {
    width: 100%;
    display: flex;
    justify-content: center;
    margin-top: auto;
}

.logo {
    width: auto;
    height: 150px;
    margin-bottom: 10px;
}

.robo {
    width: 100%;
    height: auto;
    max-height: 85%;
    object-fit: contain;
    margin-top: 120px;
}

.container {
    margin-left: 35%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    flex-grow: 1;
    text-align: center;
    padding: 0 20px;
    box-sizing: border-box;
}

.floating-text {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 10px;
}

.letter {
    font-size: 8em;
    font-weight: bold;
    color: gold;
    opacity: 0;
    animation: float 2s forwards, bounce 2s infinite;
    animation-delay: calc(0.2s * var(--i));
}

.letter:nth-child(1) { --i: 1; }
.letter:nth-child(2) { --i: 2; }
.letter:nth-child(3) { --i: 3; }
.letter:nth-child(4) { --i: 4; }
.letter:nth-child(5) { --i: 5; }
.letter:nth-child(6) { --i: 6; }
.letter:nth-child(7) { --i: 7; }

.marketplace {
    display: flex;
    justify-content: center;
    margin-bottom: 20px;
}

.marketplace-text {
    font-size: 3em;
    font-weight: bold;
    color: gold;
    opacity: 0;
    animation: fadeIn 2s forwards;
    animation-delay: 1.4s; /* Slight delay to sync with the letters */
}

@keyframes float {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.parent-company {
    font-size: 1.5em;
    margin-top: 10px;
    opacity: 0;
    animation: fadeIn 2s forwards;
    animation-delay: 3s;
}

.parent-company a {
    color: #0073e6;
    text-decoration: none;
}

.parent-company a:hover {
    text-decoration: underline;
}

.copyright-container {
    text-align: center;
    padding: 10px 0;
}

.copyright {
    font-size: 1em;
    opacity: 0;
    animation: fadeIn 2s forwards;
    animation-delay: 3.5s;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Media Queries for Responsiveness */
@media (max-width: 1200px) {
    .letter {
        font-size: 6em;
    }
    .marketplace-text {
        font-size: 2.5em;
    }
}

@media (max-width: 992px) {
    .letter {
        font-size: 5em;
    }
    .marketplace-text {
        font-size: 2em;
    }
}

@media (max-width: 768px) {
    .left-side {
        width: 100%;
        position: relative;
        padding-top: 20px;
        padding-bottom: 20px;
    }
    
    .container {
        margin-left: 0;
        padding: 0 10px;
    }
    
    .logo {
        height: 100px;
    }
    
    .robo {
        margin-top: 20px;
    }
    
    .letter {
        font-size: 4em;
    }
    
    .marketplace-text {
        font-size: 1.8em;
    }

    .subtitle {
        font-size: 1.5em;
    }
    
    .parent-company {
        font-size: 1.2em;
    }
}

@media (max-width: 576px) {
    .letter {
        font-size: 3em;
    }
    
    .marketplace-text {
        font-size: 1.5em;
    }
    
    .parent-company {
        font-size: 1em;
    }
    
    .logo {
        height: 80px;
    }

    .robo {
        margin-top: 10px;
    }
}

@media (max-width: 480px) {
    .letter {
        font-size: 2.5em;
    }
    
    .marketplace-text {
        font-size: 1.2em;
    }
    
    .parent-company {
        font-size: 0.9em;
    }
    
    .logo {
        height: 60px;
    }

    .robo {
        margin-top: 5px;
    }
}