/* ============================================
   Layout System
   ============================================ */

/* === Container === */

.container {
    width: 100%;
    max-width: var(--container-max);
    margin-inline: auto;
    padding-inline: var(--container-padding);
}

.container-wide {
    max-width: 1400px;
    margin-inline: auto;
    padding-inline: var(--container-padding);
}

.container-narrow {
    max-width: 800px;
    margin-inline: auto;
    padding-inline: var(--container-padding);
}

/* === Sections === */

.section {
    position: relative;
    padding-block: var(--section-padding);
    overflow: hidden;
}

.section-alt {
    background-color: var(--bg-secondary);
}

.section-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 0;
}

.section > .container {
    position: relative;
    z-index: var(--z-base);
}

/* === Section Header === */

.section-header {
    text-align: center;
    margin-bottom: var(--space-16);
    max-width: 700px;
    margin-inline: auto;
}

.section-label {
    display: inline-block;
    font-size: var(--text-xs);
    font-weight: var(--weight-semibold);
    letter-spacing: var(--tracking-wider);
    text-transform: uppercase;
    color: var(--accent-primary);
    margin-bottom: var(--space-4);
    padding: var(--space-1) var(--space-4);
    background: rgba(0, 212, 255, 0.08);
    border: 1px solid rgba(0, 212, 255, 0.15);
    border-radius: var(--radius-full);
}

.section-title {
    margin-bottom: var(--space-4);
}

.section-description {
    margin-inline: auto;
}

/* === Grid System === */

.grid {
    display: grid;
    gap: var(--space-8);
}

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

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

.grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

/* === Flex Utilities === */

.flex {
    display: flex;
}

.flex-center {
    display: flex;
    align-items: center;
    justify-content: center;
}

.flex-between {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

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

.gap-2 { gap: var(--space-2); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

/* === Noise Texture Overlay === */

.noise-overlay::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url('../assets/images/noise-texture.svg');
    opacity: 0.03;
    pointer-events: none;
    z-index: 0;
}

/* === Gradient Mesh Background === */

.mesh-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-mesh);
    pointer-events: none;
    z-index: 0;
}