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

:root {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --accent-color: #3b82f6;
    --accent-hover: #60a5fa;
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --card-bg: rgba(255, 255, 255, 0.05);
    --gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);

    --transition-speed: 0.3s;
    --shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.3);
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: 'Noto Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color 0.5s ease;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

section {
    padding: 80px 0;
}

.title-section {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
}

.title-section::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient);
    border-radius: 2px;
}

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

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

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.fade-in {
    animation: fadeInUp 0.6s ease-out forwards;
}