/*
 * Echelon 42 Layout Styles
 * Containers, grids, and section patterns
 */

/* ================================
   CONTAINER
   ================================ */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--container-padding);
    padding-right: var(--container-padding);
}

.container-narrow {
    max-width: 900px;
}

/* ================================
   SECTIONS
   ================================ */
.section {
    padding-top: var(--section-padding);
    padding-bottom: var(--section-padding);
}

.section-compact {
    padding-top: var(--section-padding-compact);
    padding-bottom: var(--section-padding-compact);
}

.section--navy {
    background-color: var(--navy);
    color: var(--white);
}

.section--navy h1,
.section--navy h2,
.section--navy h3,
.section--navy h4 {
    color: var(--white);
}

.section--cream {
    background-color: var(--cream);
}

.section--gray {
    background-color: var(--gray-100);
}

/* ================================
   GRID SYSTEM
   ================================ */
.grid {
    display: grid;
    gap: var(--gap-sm);
}

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

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

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

.grid-footer {
    grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
}

/* Gap modifiers */
.gap-md {
    gap: var(--gap-md);
}

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

/* Alignment */
.items-center {
    align-items: center;
}

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

/* ================================
   FLEXBOX UTILITIES
   ================================ */
.flex {
    display: flex;
}

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

.flex-wrap {
    flex-wrap: wrap;
}

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

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

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

.gap-3 {
    gap: var(--space-3);
}

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

.gap-5 {
    gap: var(--space-5);
}

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

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

/* ================================
   HERO LAYOUT
   ================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: calc(var(--nav-height) + var(--space-12));
    padding-bottom: var(--space-12);
}

.hero-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--gap-lg);
    align-items: center;
}

.hero-content {
    max-width: 600px;
}

/* ================================
   SECTION HEADER
   ================================ */
.section-header {
    max-width: 700px;
    margin-bottom: var(--space-12);
}

.section-header.centered {
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

/* ================================
   RESPONSIVE BREAKPOINTS
   ================================ */

/* Large desktop: > 1200px - Default styles */

/* Desktop: 1024px - 1200px */
@media (max-width: 1200px) {
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }

    .hero-split {
        grid-template-columns: 1fr;
        gap: var(--gap-md);
    }
}

/* Tablet: 768px - 1024px */
@media (max-width: 1024px) {
    :root {
        --section-padding: 5rem;
        --section-padding-compact: 3rem;
    }

    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }

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

/* Mobile: < 768px */
@media (max-width: 768px) {
    :root {
        --section-padding: 4rem;
        --section-padding-compact: 2.5rem;
        --container-padding: 6%;
    }

    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }

    .grid-footer {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }

    .hero {
        min-height: auto;
        padding-top: calc(var(--nav-height) + var(--space-10));
        padding-bottom: var(--space-10);
    }
}