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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: radial-gradient(ellipse at top, #0f0f0f 0%, #0a0a0a 50%, #000000 100%);
    min-height: 100vh;
    color: #ffffff;
    overflow-x: hidden;
    overflow-y: auto;
    position: relative;
    margin: 0;
    padding: 0;
}

body::-webkit-scrollbar {
    display: none;
}

body {
    -ms-overflow-style: none;
    scrollbar-width: none;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(255, 107, 0, 0.03) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(255, 107, 0, 0.02) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

.topbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 3rem;
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    z-index: 100;
}

.topbar-left {
    display: flex;
    align-items: center;
}

.topbar-right {
    display: flex;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 400;
    color: #ffffff;
    text-decoration: none;
    font-family: 'Georgia', 'Times New Roman', serif;
    font-style: italic;
    transition: opacity 0.2s ease;
}

.logo:hover {
    opacity: 0.8;
}

.logo-ai {
    color: #ff6b00;
    font-style: italic;
}

.join-button {
    padding: 0.65rem 1.8rem;
    font-size: 0.95rem;
    font-weight: 500;
    color: #0a0a0a;
    background: #ffffff;
    border: none;
    border-radius: 6px;
    text-decoration: none;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
}

.join-button:hover {
    background: #e0e0e0;
    transform: translateY(-1px);
}

.background-spinners {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.prompt-item {
    position: absolute;
    background: rgba(30, 30, 30, 0.7);
    backdrop-filter: blur(10px);
    padding: 0.75rem 1.25rem;
    border-radius: 20px;
    font-size: 0.85rem;
    color: #999999;
    white-space: nowrap;
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    transition: opacity 0.3s ease;
    opacity: 0.6;
    will-change: transform, opacity;
}

.prompt-item:hover {
    opacity: 1;
    color: #ffffff;
    border-color: rgba(255, 107, 0, 0.3);
    transform: scale(1.05);
}

/* Top row - falls down on scroll up */
.prompt-item:nth-child(1) {
    top: 12%;
    left: 15%;
}

.prompt-item:nth-child(2) {
    top: 18%;
    right: 20%;
}

.prompt-item:nth-child(3) {
    top: 25%;
    left: 45%;
}

/* Middle row */
.prompt-item:nth-child(4) {
    top: 40%;
    left: 8%;
}

.prompt-item:nth-child(5) {
    top: 45%;
    right: 12%;
}

/* Bottom row - drops down on scroll down */
.prompt-item:nth-child(6) {
    bottom: 25%;
    left: 25%;
}

.prompt-item:nth-child(7) {
    bottom: 20%;
    right: 30%;
}

.prompt-item:nth-child(8) {
    bottom: 15%;
    left: 50%;
}

/* Scroll animations - all prompts drop when scrolling down */
.background-spinners.scroll-down .prompt-item {
    transform: translateY(100vh);
    opacity: 0;
}

/* Prompts come back from top when scrolling up */
.background-spinners.scroll-up .prompt-item {
    animation: dropFromTop 0.6s ease-out;
}



.container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 2rem;
    position: relative;
    z-index: 1;
}

.content {
    animation: fadeIn 0.8s ease-out;
}

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

.hero-title {
    font-size: 5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    letter-spacing: -2px;
    line-height: 1.15;
}

.main-text {
    display: block;
    color: #e8e8e8;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #ffffff 0%, #d0d0d0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.italic-text {
    display: block;
    color: #ffffff;
    font-family: 'Georgia', 'Times New Roman', serif;
    font-style: italic;
    font-weight: 400;
    margin-top: 0.5rem;
}

.ai-highlight {
    color: #ff6b00;
    text-shadow: 0 0 30px rgba(255, 107, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.4rem;
    font-weight: 400;
    color: #999999;
    margin-bottom: 3rem;
    letter-spacing: 0.3px;
    line-height: 1.6;
}

.main-section {
    margin: 3.5rem 0 5rem 0;
}

.cta-button {
    display: inline-block;
    padding: 1.1rem 3.5rem;
    font-size: 1.15rem;
    font-weight: 600;
    color: #0a0a0a;
    background: linear-gradient(135deg, #ffffff 0%, #f5f5f5 100%);
    border: none;
    border-radius: 8px;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s ease;
}

.cta-button:hover::before {
    left: 100%;
}

.cta-button:hover {
    background: linear-gradient(135deg, #ffffff 0%, #e8e8e8 100%);
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(255, 255, 255, 0.15);
}

.cta-button:active {
    transform: translateY(-1px);
}

.empty-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 1;
}

.empty-message {
    text-align: center;
    opacity: 0;
    animation: fadeInEmpty 1s ease-out 0.5s forwards;
}

@keyframes fadeInEmpty {
    to {
        opacity: 1;
    }
}

.empty-text {
    font-size: 4rem;
    color: #333333;
    margin-bottom: 1rem;
    font-weight: 600;
    letter-spacing: -1px;
}

.empty-hint {
    font-size: 1.5rem;
    color: #444444;
    font-weight: 400;
}

.scroll-indicator {
    position: absolute;
    bottom: 3rem;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #888888;
    animation: bounce 2s infinite;
    cursor: pointer;
    transition: all 0.3s ease;
    opacity: 1;
}

.scroll-indicator:hover {
    color: #ffffff;
}

.scroll-indicator svg {
    width: 24px;
    height: 24px;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

@media (max-width: 768px) {
    .topbar {
        padding: 1rem 1.5rem;
    }
    
    .logo {
        font-size: 1.2rem;
    }
    
    .join-button {
        padding: 0.5rem 1rem;
        font-size: 0.85rem;
    }
    
    .hero-title {
        font-size: 2.8rem;
        letter-spacing: -1px;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .cta-button {
        padding: 1rem 2.8rem;
        font-size: 1.05rem;
    }
    
    .prompt-item {
        font-size: 0.8rem;
        padding: 0.75rem 1.25rem;
    }
    
    .models-title {
        font-size: 2rem;
    }
    
    .models-subtitle {
        font-size: 1.1rem;
    }
    
    .empty-text {
        font-size: 2.5rem;
    }
    
    .empty-hint {
        font-size: 1.2rem;
    }
    
    .scroll-indicator {
        bottom: 2rem;
    }
}


@keyframes dropFromTop {
    from {
        transform: translateY(-100vh);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 0.6;
    }
}