/* Reset i podstawowe style */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Kolory */
    --primary-color: #00ffff;
    --secondary-color: #ff00ff;
    --accent-color: #ffff00;
    --text-primary: #ffffff;
    --text-secondary: #cccccc;
    --bg-primary: #0a0a0a;
    --bg-secondary: #1a1a1a;
    --border-color: #333333;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #00ffff, #0080ff);
    --gradient-secondary: linear-gradient(135deg, #ff00ff, #8000ff);
    --gradient-accent: linear-gradient(135deg, #ffff00, #ff8000);
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 255, 255, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 255, 255, 0.2);
    --shadow-lg: 0 8px 32px rgba(0, 255, 255, 0.3);
    
    /* Border radius */
    --border-radius: 8px;
    --border-radius-lg: 16px;
    
    /* Transitions */
    --transition-normal: 0.3s ease;
    --transition-fast: 0.15s ease;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 80%, rgba(0, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 0, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(255, 255, 0, 0.05) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}

/* Loading Screen */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    transition: opacity 0.5s ease;
}

.loading-screen.hidden {
    opacity: 0;
}

.loading-content {
    text-align: center;
}

.logo-animation {
    margin-bottom: 2rem;
}

.logo-text {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    text-shadow: 0 0 20px var(--primary-color);
    animation: fadeInUp 1s ease;
}

.logo-dot {
    font-size: 3rem;
    font-weight: 700;
    color: var(--accent-color);
    text-shadow: 0 0 20px var(--accent-color);
    animation: fadeInUp 1s ease 0.2s both;
}

.loading-bar {
    width: 300px;
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
    overflow: hidden;
    margin: 0 auto;
}

.loading-progress {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 2px;
    animation: loadingProgress 2s ease;
}

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

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

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

@keyframes gentleRotate {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

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

@keyframes loadingProgress {
    0% {
        width: 0%;
    }
    100% {
        width: 100%;
    }
}