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

html {
    font-size: 16px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    background: linear-gradient(135deg, var(--color-bg-primary) 0%, var(--color-bg-secondary) 100%);
    color: var(--color-text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    overflow-x: hidden;
    position: relative;
    padding: 0 20px;
}

.bg-particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

.particle {
    position: absolute;
    background: var(--color-accent-primary);
    border-radius: 50%;
    animation: float linear infinite;
    opacity: 0.1;
}

@keyframes float {
    0% {
        transform: translateY(100vh) rotate(0deg);
        opacity: 0;
    }

    10% {
        opacity: 0.4;
    }

    90% {
        opacity: 0.6;
    }

    100% {
        transform: translateY(-100px) rotate(360deg);
        opacity: 0;
    }
}

.main-content {
    margin: 70px 0 0 0;
    max-width: 900px;
    width: 90%;
    position: relative;
    z-index: 1;
    text-align: center;
}

@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
        box-shadow: 0 10px 40px var(--color-accent-glow);
    }

    50% {
        transform: scale(1.05);
        box-shadow: 0 15px 50px var(--color-accent-glow);
    }
}

.footer {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    text-align: center;
}

@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 2rem;
    }

    .logo {
        width: 80px;
        height: 80px;
        font-size: 36px;
    }
}