:root {
    --color-primary: #0A192F;
    --color-secondary: #112240;
    --color-accent: #64FFDA;
    --color-text: #E6F1FF;
    --color-text-secondary: #8892B0;
    --color-background: #020C1B;
    
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-subtle: 0 10px 30px -15px rgba(2, 12, 27, 0.7);
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background-color: var(--color-background);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 2rem;
    position: relative;
}

.header {
    margin-bottom: 3rem;
    animation: fadeInDown 1s ease-out;
}

.logo {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    object-position: center;
    box-shadow: var(--shadow-subtle);
    transition: var(--transition-smooth);
}

.logo:hover {
    transform: scale(1.05);
    box-shadow: 0 15px 40px -15px rgba(100, 255, 218, 0.4);
}

.content {
    text-align: center;
    animation: fadeInUp 1s ease-out 0.2s both;
}

.title {
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
    line-height: 1.1;
}

.subtitle {
    font-size: clamp(1rem, 2.5vw, 1.5rem);
    color: var(--color-text-secondary);
    font-weight: 400;
    letter-spacing: 0.02em;
}

.footer {
    position: absolute;
    bottom: 2rem;
    animation: fadeIn 1s ease-out 0.4s both;
}

.footer-text {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    letter-spacing: 0.05em;
}

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

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

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

@media (max-width: 768px) {
    .container {
        padding: 1.5rem;
    }
    
    .logo {
        width: 100px;
        height: 100px;
    }
    
    .header {
        margin-bottom: 2rem;
    }
    
    .footer {
        position: relative;
        bottom: auto;
        margin-top: 4rem;
    }
}

@media (max-width: 480px) {
    .logo {
        width: 80px;
        height: 80px;
    }
    
    .title {
        margin-bottom: 0.75rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}