/* ==========================================================================
   Layout — Grid, Containers, Spacing
   ========================================================================== */

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

.container--narrow {
    max-width: var(--container-narrow);
}

.container--wide {
    max-width: var(--container-wide);
}

/* Sections */
.section {
    padding-top: var(--section-pad);
    padding-bottom: var(--section-pad);
    position: relative;
    overflow: hidden;
}

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

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

.section--dark2 {
    background-color: var(--color-dark2);
}

.section--dark3 {
    background-color: var(--color-dark3);
}

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

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

.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-auto {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}

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

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

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

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

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

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

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

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

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

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

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

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

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

/* Text Alignment */
.text-center {
    text-align: center;
}

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

/* Spacing Utilities */
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mt-2xl { margin-top: var(--space-2xl); }
.mt-3xl { margin-top: var(--space-3xl); }

.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }
.mb-2xl { margin-bottom: var(--space-2xl); }
.mb-3xl { margin-bottom: var(--space-3xl); }

/* Width */
.w-full {
    width: 100%;
}

.mx-auto {
    margin-left: auto;
    margin-right: auto;
}

/* Section Header Component */
.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--space-3xl);
}

.section-header .eyebrow {
    margin-bottom: var(--space-sm);
}

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

.section-header .section-subtitle {
    font-size: var(--fs-body-lg);
    color: var(--color-gray-light);
    line-height: var(--lh-relaxed);
}

/* Page Hero (reusable for inner pages) */
.page-hero {
    padding: calc(var(--header-height) + var(--space-3xl)) 0 var(--space-3xl);
    background: var(--color-dark);
    position: relative;
    text-align: center;
}

.page-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        var(--gradient-hero-glow-cyan),
        var(--gradient-hero-glow-orange);
    pointer-events: none;
}

.page-hero .eyebrow {
    position: relative;
}

.page-hero .page-title {
    font-size: var(--fs-h1);
    position: relative;
    margin-bottom: var(--space-md);
}

.page-hero .page-subtitle {
    font-size: var(--fs-body-lg);
    color: var(--color-gray-light);
    max-width: 600px;
    margin: 0 auto;
    position: relative;
}

/* Visually Hidden (accessibility) */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}