:root {
    --color-navy: #0A192F;
    --color-charcoal: #2D3748;
    --color-gold: #D4AF37;
    --color-gold-muted: #B39028;
    --color-offwhite: #F7FAFC;
    --color-white: #FFFFFF;
    --color-border: #E2E8F0;
    
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Lora', serif;
    
    --transition-standard: all 0.3s ease;
}

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

body {
    font-family: var(--font-body);
    color: var(--color-charcoal);
    background-color: var(--color-offwhite);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-navy);
}

a {
    color: var(--color-navy);
    text-decoration: none;
    transition: var(--transition-standard);
}

.inline-link {
    color: var(--color-gold);
    border-bottom: 1px solid var(--color-gold);
}

.inline-link:hover {
    color: var(--color-navy);
    border-color: var(--color-navy);
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

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

.text-light {
    color: var(--color-white);
}

.prose {
    font-size: 1.125rem;
    margin-bottom: 1.5rem;
    color: var(--color-charcoal);
}

/* Buttons */
.btn-prime {
    display: inline-block;
    background-color: var(--color-navy);
    color: var(--color-white);
    padding: 1rem 2rem;
    font-family: var(--font-heading);
    font-size: 1.1rem;
    border: none;
    cursor: pointer;
    transition: var(--transition-standard);
}

.btn-prime:hover {
    background-color: var(--color-gold);
    color: var(--color-navy);
}

.btn-prime.full-width {
    width: 100%;
    text-align: center;
}

/* Header */
.vangard-masthead {
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.masthead-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand-monogram {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.monogram-mark {
    background-color: var(--color-navy);
    color: var(--color-gold);
    font-family: var(--font-heading);
    font-size: 1.5rem;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.brand-text {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-navy);
}

.executive-nav {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-item {
    font-size: 0.95rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.nav-item:hover {
    color: var(--color-gold);
}

.action-nav {
    color: var(--color-gold);
    border: 1px solid var(--color-gold);
    padding: 0.5rem 1rem;
}

.action-nav:hover {
    background-color: var(--color-gold);
    color: var(--color-navy);
}

/* Hero */
.hero-nexus {
    max-width: 1200px;
    margin: 4rem auto;
    padding: 0 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 3rem;
}

.hero-content-core {
    max-width: 800px;
}

.hero-headline {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    margin-bottom: 1.5rem;
}

.hero-subtext {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    color: var(--color-charcoal);
}

.hero-action-cluster {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.hero-metric {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    color: var(--color-navy);
    border-left: 2px solid var(--color-gold);
    padding-left: 1rem;
}

.hero-visual-plane {
    width: 100%;
    max-height: 600px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(10, 25, 47, 0.1);
}

/* About Section */
.corporate-genesis-block {
    background-color: var(--color-white);
    padding: 6rem 2rem;
}

.genesis-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.genesis-visual {
    position: relative;
}

.genesis-badge {
    position: absolute;
    bottom: -2rem;
    right: -2rem;
    background-color: var(--color-navy);
    color: var(--color-white);
    padding: 2rem;
    display: flex;
    flex-direction: column;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.badge-title {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-gold);
}

.badge-value {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    line-height: 1;
}

.genesis-bullet-list {
    list-style: none;
    margin-top: 2rem;
}

.genesis-bullet-list li {
    position: relative;
    padding-left: 2rem;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.genesis-bullet-list li::before {
    content: '■';
    position: absolute;
    left: 0;
    color: var(--color-gold);
    font-size: 0.8rem;
    top: 0.3rem;
}

/* Services (Tabs) */
.operational-frameworks-zone {
    padding: 7rem 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.zone-subtitle {
    text-align: center;
    font-size: 1.2rem;
    margin-bottom: 4rem;
    color: var(--color-charcoal);
}

.framework-tabs {
    display: flex;
    border-bottom: 2px solid var(--color-border);
    margin-bottom: 3rem;
    overflow-x: auto;
}

.tab-trigger {
    background: none;
    border: none;
    padding: 1rem 2rem;
    font-family: var(--font-heading);
    font-size: 1.2rem;
    color: var(--color-charcoal);
    cursor: pointer;
    border-bottom: 3px solid transparent;
    margin-bottom: -2px;
    transition: var(--transition-standard);
    white-space: nowrap;
}

.tab-trigger.active,
.tab-trigger:hover {
    color: var(--color-navy);
    border-bottom-color: var(--color-gold);
}

.framework-pane {
    display: none;
    animation: fadeIn 0.5s ease;
}

.framework-pane.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.pane-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.pane-text h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.pane-text p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.pane-text h4 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.benefit-nodes {
    list-style: disc;
    padding-left: 1.5rem;
    color: var(--color-charcoal);
}

.benefit-nodes li {
    margin-bottom: 0.5rem;
}

.pane-img img {
    aspect-ratio: 4/3;
    box-shadow: -15px 15px 0 var(--color-gold-muted);
}

/* Testimonials */
.executive-endorsements-track {
    background-color: var(--color-navy);
    padding: 6rem 2rem;
    color: var(--color-white);
}

.endorsement-wrapper {
    max-width: 1200px;
    margin: 0 auto;
}

.endorsement-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.endorsement-card {
    background-color: rgba(255,255,255,0.05);
    padding: 2.5rem;
    border-top: 3px solid var(--color-gold);
}

.quote {
    font-style: italic;
    font-size: 1.1rem;
    margin-bottom: 2rem;
    line-height: 1.8;
}

.client-id {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.client-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
}

.client-name {
    display: block;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.1rem;
}

.client-role {
    display: block;
    font-size: 0.85rem;
    color: var(--color-gold);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Contact */
.inquiry-matrix-segment {
    padding: 8rem 2rem;
    background-color: var(--color-offwhite);
}

.matrix-container {
    max-width: 1000px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
}

.micro-details {
    margin-top: 2rem;
    padding: 1.5rem;
    background-color: var(--color-white);
    border-left: 4px solid var(--color-navy);
    font-size: 0.95rem;
    line-height: 1.8;
}

.corporate-form {
    background-color: var(--color-white);
    padding: 3rem;
    box-shadow: 0 15px 35px rgba(0,0,0,0.05);
}

.form-row {
    margin-bottom: 1.5rem;
}

.form-row label {
    display: block;
    margin-bottom: 0.5rem;
    font-family: var(--font-heading);
    color: var(--color-navy);
    font-weight: 700;
}

.form-row input,
.form-row textarea {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid var(--color-border);
    font-family: var(--font-body);
    font-size: 1rem;
    background-color: var(--color-offwhite);
    transition: var(--transition-standard);
}

.form-row input:focus,
.form-row textarea:focus {
    outline: none;
    border-color: var(--color-gold);
    background-color: var(--color-white);
}

/* Footer */
.terminal-footer {
    background-color: var(--color-navy);
    color: rgba(255,255,255,0.7);
    padding: 5rem 2rem 2rem;
}

.footer-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 4rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    padding-bottom: 3rem;
    margin-bottom: 2rem;
}

.footer-brand .brand-text {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    display: block;
}

.footer-tag {
    color: var(--color-gold);
    font-style: italic;
}

.footer-contact h4,
.footer-legal h4 {
    color: var(--color-white);
    font-family: var(--font-heading);
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
}

.footer-contact p {
    margin-bottom: 0.5rem;
}

.footer-contact a,
.footer-legal a {
    color: rgba(255,255,255,0.7);
    display: block;
    margin-bottom: 0.5rem;
}

.footer-contact a:hover,
.footer-legal a:hover {
    color: var(--color-gold);
}

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.tiny-disclaimer {
    font-size: 0.75rem;
    opacity: 0.5;
}

/* Standalone Pages Specific */
.standalone-content {
    max-width: 800px;
    margin: 6rem auto;
    padding: 0 2rem;
    min-height: 50vh;
}

.standalone-content h1 {
    margin-bottom: 2rem;
}

.standalone-content p {
    margin-bottom: 1.5rem;
}

/* Responsive Design */
@media (max-width: 992px) {
    .genesis-grid,
    .matrix-container {
        grid-template-columns: 1fr;
    }
    
    .genesis-badge {
        right: 0;
        bottom: 0;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .executive-nav {
        display: none; /* Simplified for realism, assume a hamburger menu exists in a fuller build */
    }
    
    .pane-split {
        grid-template-columns: 1fr;
    }
    
    .pane-img {
        order: -1;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .corporate-form {
        padding: 2rem 1.5rem;
    }
}