/**
 * FORESEON STRUCTURAL GRID ENGINE
 * System: Modern Swiss Monospace Alignment
 */

/* Container Standards */
.header-container,
.manifesto-wrapper,
.footer-container {
    width: 100%;
    max-width: 1720px;
    margin: 0 auto;
    padding: 0 var(--grid-gap);
}

/* Header Architecture */
.site-header {
    width: 100%;
    border-bottom: 1px solid var(--color-border);
    position: fixed;
    top: 0;
    left: 0;
    z-index: 100;
    background-color: rgba(251, 251, 250, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.header-container {
    height: 6.25rem; /* 100px structured boundary */
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand-logo span {
    font-family: var(--font-sans);
    font-weight: 700;
    font-size: var(--text-meta);
    letter-spacing: 0.35em;
    text-transform: uppercase;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: calc(var(--grid-gap) * 1.5);
    align-items: center;
}

.nav-link {
    font-family: var(--font-sans);
    font-size: var(--text-meta);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 500;
    color: var(--color-text-muted);
}

.nav-link:hover {
    color: var(--color-text-main);
}

.animate-cta {
    color: var(--color-text-main);
    border: 1px solid var(--color-border-heavy);
    padding: 0.6rem 1.2rem;
    transition: all var(--duration-fast) var(--timing-premium);
}

.animate-cta:hover {
    background-color: var(--color-text-main);
    color: var(--color-bg);
}

/* Hero Manifesto Architecture */
.hero-manifesto {
    padding-top: calc(100px + (var(--grid-gap) * 3));
    padding-bottom: calc(var(--grid-gap) * 3);
    min-height: 85vh;
    display: flex;
    align-items: center;
}

.hero-manifesto .display-text {
    font-size: var(--text-display);
    max-width: 90%;
    margin-top: 2rem;
    margin-bottom: calc(var(--grid-gap) * 2);
}

/* Asymmetrical Subgrid Layout */
.manifesto-subgrid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--grid-gap);
    border-top: 1px solid var(--color-border);
    padding-top: calc(var(--grid-gap) * 1.5);
}

.body-lead {
    font-size: var(--text-h2);
    color: var(--color-text-muted);
    font-family: var(--font-sans);
    font-weight: 300;
    line-height: 1.4;
    letter-spacing: -0.01em;
}

.grid-right {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    padding-left: calc(var(--grid-gap) * 1);
    border-left: 1px solid var(--color-border);
}

.metric-block {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.metric-value {
    font-family: var(--font-serif);
    font-size: var(--text-h2);
}

/* Footer Architecture */
.site-footer {
    border-top: 1px solid var(--color-border);
    padding: calc(var(--grid-gap) * 1) 0;
    background-color: var(--color-bg);
}

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

/* Responsive Overrides via CSS Variables Override */
@media (max-width: 1024px) {
    .manifesto-subgrid {
        grid-template-columns: 1fr;
    }
    .grid-right {
        padding-left: 0;
        border-left: none;
        margin-top: 2rem;
    }
    .footer-container {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }
}

/* ----------------------------------------------------------------------
 * CAPABILITIES LAYOUT COMPONENT EXTENSIONS
 * ---------------------------------------------------------------------- */

.display-text-sub {
    font-size: clamp(2rem, 4vw + 1rem, 4.5rem);
    max-width: 80%;
    margin-top: 1.5rem;
    margin-bottom: calc(var(--grid-gap) * 1);
}

.page-intro-section {
    padding-top: calc(100px + (var(--grid-gap) * 2));
    border-bottom: 1px solid var(--color-border);
    background-color: var(--color-bg);
}

.capabilities-matrix-section {
    padding: calc(var(--grid-gap) * 3) 0;
    background-color: var(--color-bg);
}

/* Strict 3-Column Swiss Grid Configuration */
.grid-matrix {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--grid-gap);
    align-items: start;
}

.matrix-card {
    border-top: 1px solid var(--color-border-heavy);
    padding-top: 2rem;
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}

.matrix-title {
    font-family: var(--font-serif);
    font-size: var(--text-h2);
    margin-top: 0.75rem;
    color: var(--color-text-main);
}

.matrix-description {
    font-size: var(--text-body);
    color: var(--color-text-muted);
    font-weight: 300;
    line-height: 1.6;
    margin-bottom: 2rem;
}

/* Structural Technical Specification Lists */
.spec-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    border-top: 1px solid var(--color-border);
    padding-top: 1.5rem;
}

.spec-list li {
    font-family: var(--font-sans);
    font-size: var(--text-meta);
    font-weight: 500;
    color: var(--color-text-main);
    position: relative;
    padding-left: 1.2rem;
}

/* Custom Minimal Accent Indicator */
.spec-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 4px;
    background-color: var(--color-accent);
}

/* Active Link State Customization */
.nav-link.aria-current {
    color: var(--color-text-main);
    font-weight: 600;
}

/* Responsive Structural Refinement */
@media (max-width: 1024px) {
    .grid-matrix {
        grid-template-columns: 1fr;
        gap: calc(var(--grid-gap) * 2);
    }
    .matrix-card {
        padding-bottom: calc(var(--grid-gap) * 1);
        border-bottom: 1px solid var(--color-border);
    }
}

/* ----------------------------------------------------------------------
 * EVIDENCE LEDGER LAYOUT COMPONENT EXTENSIONS
 * ---------------------------------------------------------------------- */

.ledger-section {
    padding: calc(var(--grid-gap) * 3) 0;
    background-color: var(--color-bg);
}

.ledger-stack {
    display: flex;
    flex-direction: column;
}

/* Asymmetric Structural Split Row */
.ledger-row {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: var(--grid-gap);
    border-top: 1px solid var(--color-border-heavy);
    padding: calc(var(--grid-gap) * 2) 0;
    transition: border-color var(--duration-fast) var(--timing-premium);
}

.ledger-row:hover {
    border-top-color: var(--color-accent);
}

.ledger-client {
    font-family: var(--font-sans);
    font-size: var(--text-h2);
    font-weight: 500;
    letter-spacing: -0.02em;
    margin-top: 0.5rem;
    color: var(--color-text-main);
}

.ledger-title {
    font-family: var(--font-serif);
    font-size: var(--text-h2);
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: var(--color-text-main);
    font-weight: 400;
}

.ledger-body {
    font-size: var(--text-body);
    color: var(--color-text-muted);
    font-weight: 300;
    line-height: 1.6;
    max-width: 90%;
    margin-bottom: 2.5rem;
}

/* Hardened Micro-Metrics Row Layout */
.ledger-metrics-strip {
    display: flex;
    gap: calc(var(--grid-gap) * 2);
    border-top: 1px solid var(--color-border);
    padding-top: 1.5rem;
}

.metric-unit {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.metric-num {
    font-family: var(--font-sans);
    font-size: var(--text-meta);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-accent);
}

/* Responsive Structural Collapse */
@media (max-width: 1024px) {
    .ledger-row {
        grid-template-columns: 1fr;
        padding: calc(var(--grid-gap) * 1.5) 0;
        gap: 1.5rem;
    }
    .ledger-body {
        max-width: 100%;
    }
    .ledger-metrics-strip {
        flex-direction: column;
        gap: 1rem;
    }
}