/**
 * SAI PR - Clean Fluid Layout & Container System
 * Brand: SAI Communications & PR
 */

/* =========================================================================
   01. CENTRAL CONTAINER SYSTEM
   ========================================================================= */
.container {
    width: min(100% - clamp(2rem, 8vw, 10rem), 82rem);
    margin-inline: auto;
    padding-inline: 0;
    position: relative;
    z-index: var(--z-content, 5);
}

.container-wide {
    width: min(100% - clamp(2rem, 5vw, 7rem), 96rem);
    margin-inline: auto;
    padding-inline: 0;
    position: relative;
    z-index: var(--z-content, 5);
}

.container-narrow {
    width: min(100% - clamp(2rem, 6vw, 8rem), 64rem);
    margin-inline: auto;
    padding-inline: 0;
    position: relative;
    z-index: var(--z-content, 5);
}

.container-prose {
    width: min(100% - clamp(1.5rem, 4vw, 4rem), 48rem);
    margin-inline: auto;
    padding-inline: 0;
    position: relative;
    z-index: var(--z-content, 5);
}

/* Backward compatibility alias */
.container-editorial {
    width: min(100% - clamp(1.5rem, 4vw, 4rem), 56rem);
    margin-inline: auto;
    position: relative;
    z-index: var(--z-content, 5);
}

/* =========================================================================
   02. DISCIPLINED SECTION SPACING & COMPOSITION CONTAINERS
   ========================================================================= */
.section {
    padding-block: var(--section-lg);
    position: relative;
    width: 100%;
    isolation: isolate;
}

.section-composition,
.ghost-watermark-container {
    position: relative;
    isolation: isolate;
    overflow: clip;
    width: 100%;
}

.section__visual-layer,
.background-motion {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
    z-index: var(--z-decoration, 1);
    user-select: none;
}

.section__ghost-word,
.ghost-watermark {
    position: absolute;
    font-family: var(--font-heading);
    font-size: clamp(6rem, 14vw, 15rem);
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: -0.04em;
    color: rgba(35, 49, 110, 0.035);
    user-select: none;
    pointer-events: none;
    line-height: 0.85;
    white-space: nowrap;
    z-index: var(--z-decoration, 1);
}

.section__ghost-word--dark,
.ghost-watermark-dark {
    color: rgba(255, 255, 255, 0.035);
}

.ghost-top-right {
    top: 4%;
    right: 2%;
}

.ghost-center {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.ghost-bottom-left {
    bottom: 4%;
    left: 2%;
}

.ghost-top-left {
    top: 4%;
    left: 2%;
}

.section-sm {
    padding-block: var(--section-sm);
}

.section-md {
    padding-block: var(--section-md);
}

.section-lg {
    padding-block: var(--section-lg);
}

.section-xl {
    padding-block: var(--section-xl);
}

.section-tight {
    padding-block: clamp(2rem, 3.5vw, 3.5rem);
}

/* Section Backgrounds */
.section-light {
    background-color: var(--color-bg);
}

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

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

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

.section-navy {
    background-color: #080E23;
    color: var(--color-white);
}

/* =========================================================================
   03. SECTION HEADERS & LABELS
   ========================================================================= */
.section-header {
    margin-bottom: clamp(2.5rem, 4.5vw, 4.5rem);
    max-width: 52rem;
}

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

.section-header.centered .eyebrow {
    justify-content: center;
}

.section-header.centered .eyebrow::before {
    display: none;
}

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

.section-header .section-title {
    font-size: var(--text-h2);
    font-weight: 600;
    line-height: var(--leading-heading);
    letter-spacing: var(--tracking-heading);
    color: var(--color-text);
    margin-bottom: var(--space-3);
}

.section-header .section-lead {
    font-size: var(--text-body-lg);
    line-height: var(--leading-body-lg);
    color: var(--color-text-secondary);
    max-width: 44rem;
}

.section-dark .section-header .section-title,
.section-navy .section-header .section-title {
    color: var(--color-white);
}

.section-dark .section-header .section-lead,
.section-navy .section-header .section-lead {
    color: rgba(255, 255, 255, 0.8);
}

/* =========================================================================
   04. MODERN GRID & FLEX UTILITIES
   ========================================================================= */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--grid-gap);
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--grid-gap);
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--grid-gap);
}

.grid-auto {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 20rem), 1fr));
    gap: var(--grid-gap);
}

.flex-between {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-4);
}

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

/* Site Wrapper & Main Landmarks */
.site-wrapper {
    display: flex;
    flex-direction: column;
    min-height: 100dvh;
    width: 100%;
    position: relative;
    overflow-x: hidden;
}

main[role="main"] {
    flex: 1 0 auto;
    width: 100%;
}

/* Smooth anchor navigation & sticky header offset */
html {
    scroll-behavior: smooth;
}

section[id],
article[id],
div[id] {
    scroll-margin-top: calc(var(--header-height, 5rem) + 1rem);
}