/* ============================================
   LAYOUT STYLES
   Grid overlay, containers, and base layout
   ============================================ */

/* ===== BODY & BASE ===== */

body {
    background-color: var(--midnight);
    color: var(--soft-white);
    font-family: var(--font-sans);
    font-size: var(--font-base);
    line-height: var(--line-height-normal);
    position: relative;
}

/* ===== GRID OVERLAY ===== */

.grid-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        repeating-linear-gradient(0deg,
            var(--grid-glow) 0px,
            var(--grid-glow) 1px,
            transparent 1px,
            transparent 40px),
        repeating-linear-gradient(90deg,
            var(--grid-glow) 0px,
            var(--grid-glow) 1px,
            transparent 1px,
            transparent 40px);
    pointer-events: none;
    z-index: var(--z-grid);
    opacity: 0.5;
}

/* ===== CONTAINER ===== */

.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    position: relative;
    z-index: var(--z-base);
}

/* ===== SECTION SPACING ===== */

section {
    padding: var(--space-4xl) 0;
    position: relative;
}

/* Alternate section backgrounds */
.services {
    background-color: var(--dark-slate);
    border-top: var(--border-width-medium) solid var(--charcoal);
    border-bottom: var(--border-width-medium) solid var(--charcoal);
}

.about {
    background-color: var(--dark-slate);
}

/* ===== SECTION HEADERS ===== */

.section-header {
    margin-bottom: var(--space-2xl);
}

.section-label {
    font-family: var(--font-mono);
    font-size: var(--font-sm);
    color: var(--muted-gray);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wider);
    margin-bottom: var(--space-sm);
}

.section-title {
    font-family: var(--font-mono);
    font-size: var(--font-xxl);
    font-weight: var(--font-bold);
    color: var(--tide-blue);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-tight);
    line-height: var(--line-height-tight);
}

/* ===== GRID LAYOUTS ===== */

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--grid-gap);
}

/* Projects Grid */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--grid-gap-large);
}

/* Footer Grid */
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
}