/* Vanguard Infra - Premium Monochrome CSS */

:root {
    --c-bg-base: #ffffff;
    --c-bg-offset: #f4f4f5;
    --c-bg-dark: #09090b;
    --c-text-primary: #18181b;
    --c-text-secondary: #52525b;
    --c-text-inverse: #ffffff;
    --c-border-subtle: #e4e4e7;
    --c-border-strong: #27272a;
    
    --font-family-main: 'Quicksand', sans-serif;
    
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2.5rem;
    --space-lg: 4.5rem;
    --space-xl: 7rem;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-family-main);
    color: var(--c-text-primary);
    background-color: var(--c-bg-base);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

img {
    width: 100%;
    height: auto;
    object-fit: cover;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
    transition: opacity 0.2s ease;
}

a:hover {
    opacity: 0.7;
}

h1, h2, h3, h4 {
    line-height: 1.2;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.headline-alpha {
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: var(--space-sm);
}

.headline-beta {
    font-size: clamp(2rem, 4vw, 2.75rem);
    margin-bottom: var(--space-md);
}

.centered-text {
    text-align: center;
}

.primary-action-trigger {
    display: inline-block;
    background-color: var(--c-bg-dark);
    color: var(--c-text-inverse);
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    border: 2px solid var(--c-bg-dark);
    transition: all 0.3s ease;
    cursor: pointer;
}

.primary-action-trigger:hover {
    background-color: transparent;
    color: var(--c-text-primary);
    opacity: 1;
}

.inline-text-link {
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 4px;
    font-weight: 600;
}

/* --- Header --- */
.vanguard-masthead {
    position: sticky;
    top: 0;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--c-border-subtle);
    z-index: 100;
    padding: 1rem 5%;
}

.masthead-inner {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand-mark {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: -0.02em;
}

.masthead-navigation {
    display: flex;
    gap: 2rem;
    font-weight: 600;
    font-size: 0.95rem;
}

.subdued-link {
    color: var(--c-text-secondary);
}

/* --- Hero Split --- */
.split-entry-stage {
    display: flex;
    flex-direction: column;
    min-height: 85vh;
}

@media (min-width: 992px) {
    .split-entry-stage {
        flex-direction: row;
    }
}

.entry-text-payload {
    flex: 1;
    padding: var(--space-lg) 5%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
}

.sub-payload {
    font-size: 1.25rem;
    color: var(--c-text-secondary);
    max-width: 500px;
    margin-bottom: var(--space-md);
}

.micro-process-flow {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-md);
    padding: 0.75rem 1.25rem;
    background-color: var(--c-bg-offset);
    border-radius: 8px;
}

.flow-separator {
    color: var(--c-text-secondary);
}

.entry-visual-payload {
    flex: 1;
    min-height: 400px;
}

.entry-visual-payload img {
    height: 100%;
}

/* --- About / Profile --- */
.organizational-overview {
    padding: var(--space-xl) 5%;
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-lg);
    align-items: center;
}

@media (min-width: 800px) {
    .organizational-overview {
        grid-template-columns: 1fr 1fr;
    }
}

.overview-content p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    color: var(--c-text-secondary);
}

.overview-content strong {
    color: var(--c-text-primary);
}

.overview-imagery img {
    border-radius: 16px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.08);
}

/* --- Solutions Matrix --- */
.deep-solutions-grid {
    background-color: var(--c-bg-offset);
    padding: var(--space-xl) 5%;
}

.matrix-header {
    max-width: 1400px;
    margin: 0 auto var(--space-lg);
    text-align: center;
}

.matrix-lead {
    font-size: 1.2rem;
    color: var(--c-text-secondary);
}

.solution-cards-wrapper {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-md);
}

.solution-card-entity {
    background: var(--c-bg-base);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--c-border-subtle);
    transition: transform 0.3s ease;
}

.solution-card-entity:hover {
    transform: translateY(-5px);
}

.solution-card-entity img {
    height: 220px;
    border-bottom: 1px solid var(--c-border-subtle);
}

.card-payload {
    padding: 2rem;
}

.card-payload h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
}

.card-payload p {
    color: var(--c-text-secondary);
    font-size: 0.95rem;
}

/* FAQ Module */
.operational-faq-module {
    max-width: 800px;
    margin: var(--space-xl) auto 0;
}

.faq-header {
    font-size: 1.75rem;
    margin-bottom: var(--space-md);
    text-align: center;
}

.faq-item-toggle {
    border-bottom: 1px solid var(--c-border-subtle);
}

.faq-trigger {
    width: 100%;
    background: none;
    border: none;
    text-align: left;
    padding: 1.5rem 0;
    font-family: inherit;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--c-text-primary);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-drawer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}

.faq-drawer p {
    padding-bottom: 1.5rem;
    color: var(--c-text-secondary);
}

.faq-item-toggle.is-active .faq-drawer {
    max-height: 200px;
}

.faq-item-toggle.is-active .icon-plus {
    transform: rotate(45deg);
}

.icon-plus {
    transition: transform 0.3s ease;
    font-size: 1.5rem;
    font-weight: 300;
}

/* --- Testimonials --- */
.praise-collection-zone {
    padding: var(--space-xl) 5%;
    max-width: 1400px;
    margin: 0 auto;
}

.roster-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-md);
}

.testimonial-block {
    padding: 2.5rem;
    border: 1px solid var(--c-border-subtle);
    border-radius: 16px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.quote-text {
    font-size: 1.05rem;
    font-style: italic;
    margin-bottom: 2rem;
    color: var(--c-text-primary);
}

.quote-author-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.quote-author-meta img {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    filter: grayscale(100%);
}

.author-details {
    display: flex;
    flex-direction: column;
}

.author-name {
    font-weight: 700;
}

.author-title {
    font-size: 0.85rem;
    color: var(--c-text-secondary);
}

/* --- Contact --- */
.engagement-portal {
    background-color: var(--c-bg-dark);
    color: var(--c-text-inverse);
    padding: var(--space-xl) 5%;
}

.portal-inner {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.portal-sub {
    color: #a1a1aa;
    margin-bottom: var(--space-md);
}

.secure-data-form {
    text-align: left;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-input-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #d4d4d8;
}

.form-input-group input,
.form-input-group textarea {
    width: 100%;
    padding: 1rem;
    background-color: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 8px;
    color: var(--c-text-inverse);
    font-family: inherit;
    font-size: 1rem;
}

.form-input-group input:focus,
.form-input-group textarea:focus {
    outline: none;
    border-color: rgba(255,255,255,0.4);
    background-color: rgba(255,255,255,0.1);
}

.submit-override {
    background-color: var(--c-bg-base);
    color: var(--c-bg-dark);
    border-color: var(--c-bg-base);
    width: 100%;
}

.submit-override:hover {
    background-color: transparent;
    color: var(--c-text-inverse);
    border-color: var(--c-border-subtle);
}

/* --- Footer --- */
.vanguard-base-footer {
    padding: var(--space-lg) 5% 2rem;
    border-top: 1px solid var(--c-border-subtle);
}

.footer-grid-layout {
    max-width: 1400px;
    margin: 0 auto var(--space-lg);
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-md);
}

@media (min-width: 768px) {
    .footer-grid-layout {
        grid-template-columns: 2fr 1fr 1fr;
    }
}

.footer-brand-col .brand-mark {
    margin-bottom: 1rem;
}

.address-block, .phone-block {
    color: var(--c-text-secondary);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.footer-links-col h4 {
    font-size: 1rem;
    margin-bottom: 1rem;
}

.footer-links-col a {
    display: block;
    color: var(--c-text-secondary);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.footer-bottom-bar {
    max-width: 1400px;
    margin: 0 auto;
    padding-top: 2rem;
    border-top: 1px solid var(--c-border-subtle);
    display: flex;
    flex-direction: column;
    gap: 1rem;
    justify-content: space-between;
    font-size: 0.85rem;
    color: var(--c-text-secondary);
}

@media (min-width: 768px) {
    .footer-bottom-bar {
        flex-direction: row;
        align-items: center;
    }
}

.tiny-disclaimer {
    font-size: 0.75rem;
    opacity: 0.7;
}

/* Page content wrapper for generic pages */
.document-wrapper {
    max-width: 800px;
    margin: var(--space-xl) auto;
    padding: 0 5%;
}

.document-wrapper h1 {
    margin-bottom: var(--space-md);
}

.document-wrapper h2 {
    margin-top: var(--space-md);
    margin-bottom: var(--space-sm);
    font-size: 1.5rem;
}

.document-wrapper p {
    margin-bottom: 1rem;
    color: var(--c-text-secondary);
}