/* css/main.css */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

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

/* Background Effects */
.grid-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
            linear-gradient(rgba(0, 240, 255, 0.05) 1px, transparent 1px),
            linear-gradient(90deg, rgba(0, 240, 255, 0.05) 1px, transparent 1px);
    background-size: 50px 50px;
    z-index: -2;
    pointer-events: none;
}

#particles-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
}

/* Navigation */
.main-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--nav-height);
    background: var(--glass-bg);
    backdrop-filter: blur(var(--blur-sm));
    border-bottom: 1px solid var(--glass-border);
    z-index: 1000;
}

.nav-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 700;
    text-decoration: none;
    color: var(--color-text-primary);
    transition: var(--transition-fast);
}

.logo-bracket {
    color: var(--color-accent-primary);
    transition: var(--transition-fast);
}

.logo:hover .logo-bracket {
    color: var(--color-accent-secondary);
}

.nav-links {
    display: flex;
    gap: var(--spacing-md);
    list-style: none;
}

.nav-links a {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    text-decoration: none;
    color: var(--color-text-secondary);
    padding: 0.5rem 1rem;
    border-radius: 4px;
    transition: var(--transition-fast);
    position: relative;
}

.nav-links a::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--color-accent-primary);
    transform: translateX(-50%);
    transition: var(--transition-fast);
}

.nav-links a:hover {
    color: var(--color-text-primary);
}

.nav-links a:hover::before {
    width: 80%;
}

.nav-links a.active {
    color: var(--color-accent-primary);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 2px;
    background: var(--color-text-primary);
    transition: var(--transition-fast);
}

/* Main Container */
#app {
    min-height: calc(100vh - var(--nav-height) - 100px);
    padding-top: var(--nav-height);
}

/* Footer */
.main-footer {
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--glass-border);
    padding: var(--spacing-md) 0;
}

.footer-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-left p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.footer-right {
    display: flex;
    gap: var(--spacing-md);
}

.footer-right a {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: var(--transition-fast);
}

.footer-right a:hover {
    color: var(--color-accent-primary);
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }
}