/* Global Layout */
body {
    background:
        radial-gradient(circle at 20% 30%, rgba(0, 212, 255, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(124, 58, 237, 0.05) 0%, transparent 50%),
        var(--primary-dark);
    background-attachment: fixed;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

section,
.section-padding {
    padding: var(--spacing-3xl) 0;
}

.gradient-text {
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple), var(--success-gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* Header & Nav */
header {
    position: sticky;
    top: 0;
    width: 100%;
    z-index: var(--z-sticky);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    background: rgba(10, 25, 41, 0.8);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.3s ease;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

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

.nav-links a {
    font-weight: 500;
    font-size: var(--fs-small);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.nav-links a:hover {
    color: var(--accent-cyan);
}

/* Grid Utilities */
.grid {
    display: grid;
    gap: var(--spacing-lg);
}

.grid-cols-1 {
    grid-template-columns: repeat(1, 1fr);
}

.grid-cols-2 {
    grid-template-columns: repeat(2, 1fr);
}

.grid-cols-3 {
    grid-template-columns: repeat(3, 1fr);
}

@media (max-width: 1024px) {
    .grid-cols-3 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {

    .grid-cols-2,
    .grid-cols-3 {
        grid-template-columns: 1fr;
    }

    .nav-links {
        display: none;
        /* Mobile menu logic would go here */
    }
}

/* Flexbox Utilities */
.flex {
    display: flex;
}

.flex-col {
    flex-direction: column;
}

.items-center {
    align-items: center;
}

.justify-center {
    justify-content: center;
}

.justify-between {
    justify-content: space-between;
}

.gap-sm {
    gap: var(--spacing-sm);
}

.gap-md {
    gap: var(--spacing-md);
}

.gap-lg {
    gap: var(--spacing-lg);
}

.glass-morphism {
    background: var(--glass-bg);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid var(--glass-border);
}

#circuit-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
    will-change: transform;
    background: transparent;
    overflow: hidden;
}

#hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background:
        radial-gradient(circle at 50% 50%, rgba(0, 212, 255, 0.1) 0%, transparent 70%),
        radial-gradient(circle at 80% 20%, rgba(124, 58, 237, 0.08) 0%, transparent 50%);
    pointer-events: none;
}

#circuit-background::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 200%;
    height: 200%;
    background-image:
        linear-gradient(rgba(0, 212, 255, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 212, 255, 0.05) 1px, transparent 1px);
    background-size: 50px 50px;
    transform: rotate(-15deg);
    opacity: 0.2;
    animation: backgroundMove 20s linear infinite;
}

@keyframes backgroundMove {
    from {
        transform: rotate(-15deg) translate(0, 0);
    }

    to {
        transform: rotate(-15deg) translate(-50px, -50px);
    }
}

/* Vertical Rhythm */
.mb-xs {
    margin-bottom: var(--spacing-xs);
}

.mb-sm {
    margin-bottom: var(--spacing-sm);
}

.mb-md {
    margin-bottom: var(--spacing-md);
}

.mb-lg {
    margin-bottom: var(--spacing-lg);
}

.mb-xl {
    margin-bottom: var(--spacing-xl);
}