:root {
    --brand-blue: #004494;
    --border-primary: #004494;
    --text-dark: #1a1a1a;
    --surface-white: #ffffff;
    --panel-grey: #f7f9fb;
    --hover-blue: #003370;
    --transition-speed: 0.2s;
}

body {
    margin: 0;
    font-family: 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--surface-white);
    color: var(--text-dark);
    -webkit-font-smoothing: antialiased;
    scroll-behavior: smooth;
}

/* Global Top Announcement Line */
.top-utility-bar {
    background: #f0f4f8;
    border-bottom: 1px solid #d0dae5;
    padding: 8px 50px;
    display: flex;
    justify-content: space-between;
    font-size: 11px;
    font-weight: 700;
    color: #475569;
    letter-spacing: 0.75px;
}

/* Header Integration & Menu Navigation Frame Blend */
header {
    background: var(--surface-white);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 50px;
    border-bottom: 4px solid var(--border-primary);
    position: relative;
    z-index: 100;
}

.header-brand-block {
    display: flex;
    align-items: center;
}

/* Smooth Logo Integration Frame Wrapper */
.logo-blend-wrapper {
    background: var(--surface-white);
    padding: 6px;
    border-radius: 50%;
    border: 2px solid #e2e8f0;
    box-shadow: 0 4px 10px rgba(0, 68, 148, 0.08);
    margin-right: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

/* Industrial Spin Rotation Vector */
.vector-logo-frame {
    width: 65px;
    height: 65px;
    animation: industrialSpin 30s linear infinite;
}

@keyframes industrialSpin {
    100% { transform: rotate(360deg); }
}

.brand-text h1 {
    margin: 0;
    font-size: 24px;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: var(--brand-blue);
}

.brand-text p {
    margin: 3px 0 0 0;
    font-size: 12px;
    font-weight: 700;
    color: #64748b;
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

/* Catchy Interactive Menu Navigation System */
.enterprise-nav-menu {
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav-link-item {
    color: #475569;
    text-decoration: none;
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 10px 16px;
    border: 1px solid transparent;
    transition: all var(--transition-speed) ease;
}

.nav-link-item:hover {
    color: var(--brand-blue);
    background-color: var(--panel-grey);
    border-color: #e2e8f0;
}

.nav-link-item.active-nav {
    color: #ffffff;
    background-color: var(--brand-blue);
    border-color: var(--brand-blue);
}

.nav-link-item.contact-trigger {
    border: 1px solid var(--brand-blue);
    color: var(--brand-blue);
}

.nav-link-item.contact-trigger:hover {
    background-color: var(--brand-blue);
    color: #ffffff;
}

/* Hero Panels Section */
.hero-split-container {
    display: grid;
    grid-template-columns: 1.35fr 0.65fr;
    border-bottom: 2px solid #e2e8f0;
}

.hero-statement-panel {
    padding: 40px 50px;
    background: var(--panel-grey);
    border-right: 1px solid #e2e8f0;
}

.hero-statement-panel h2 {
    margin: 0 0 12px 0;
    font-size: 30px;
    font-weight: 700;
    color: var(--brand-blue);
}

.hero-statement-panel p {
    margin: 0 0 30px 0;
    font-size: 15px;
    line-height: 1.5;
    color: #475569;
    max-width: 800px;
}

.action-hub-panel {
    padding: 40px;
    background: #ffffff;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.btn-action {
    background: var(--brand-blue);
    color: #ffffff;
    padding: 16px 24px;
    border: 2px solid var(--border-primary);
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all var(--transition-speed) ease;
    text-align: center;
}

.btn-action:hover {
    background: var(--hover-blue);
    border-color: var(--hover-blue);
}

/* Responsive 6-Image Grid Table Layout */
.image-matrix-table {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
    margin-bottom: 25px;
}

.image-card {
    position: relative;
    height: 140px;
    border: 2px solid var(--border-primary);
    background-color: #cbd5e1;
    overflow: hidden;
    cursor: pointer;
    transition: transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
}

.image-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.image-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(0, 68, 148, 0.92);
    color: #ffffff;
    padding: 8px 6px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    text-align: center;
}

.image-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 68, 148, 0.15);
}

.image-card:hover img {
    transform: scale(1.05);
}

/* Image Upload Engine Drawer Dashboard UI */
.asset-upload-admin-dock {
    margin-top: 30px;
    border-top: 1px dashed #cbd5e1;
    padding-top: 20px;
}

.btn-admin-toggle {
    background: none;
    border: 1px solid #94a3b8;
    color: #64748b;
    padding: 8px 14px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.btn-admin-toggle:hover {
    background: #e2e8f0;
    color: var(--text-dark);
}

.admin-panel-drawer {
    display: none;
    margin-top: 15px;
    background: #ffffff;
    border: 1px solid #cbd5e1;
    padding: 20px;
}

.admin-panel-drawer h4 {
    margin: 0 0 5px 0;
    color: var(--brand-blue);
}

.admin-panel-drawer p {
    font-size: 12px;
    margin: 0 0 15px 0;
    color: #64748b;
}

.upload-slots-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}

.upload-slot-field {
    background: var(--panel-grey);
    padding: 12px;
    border: 1px solid #e2e8f0;
}

.upload-slot-field label {
    display: block;
    font-size: 11px;
    font-weight: 700;
    color: #475569;
    margin-bottom: 6px;
    text-transform: uppercase;
}

.upload-slot-field input {
    font-size: 11px;
    width: 100%;
}

/* Master Grid Workspace Layout Panels */
.workspace {
    max-width: 1400px;
    margin: 40px auto;
    padding: 0 50px;
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 40px;
}

.matrix-section-title {
    font-size: 16px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.75px;
    margin-bottom: 25px;
    color: var(--brand-blue);
    border-bottom: 2px solid var(--border-primary);
    padding-bottom: 8px;
}

.steinweg-matrix-table {
    width: 100%;
    border-collapse: collapse;
    border: 2px solid var(--border-primary);
}

.matrix-th {
    background: var(--panel-grey);
    text-align: left;
    padding: 14px 20px;
    font-weight: 700;
    font-size: 13px;
    text-transform: uppercase;
    border-bottom: 2px solid #cbd5e1;
}

.matrix-row {
    border-bottom: 1px solid #e2e8f0;
    cursor: pointer;
    transition: background 0.1s ease;
}

.matrix-row:hover {
    background: #f8fafc;
}

.matrix-row.selected-node {
    background: #f0f7ff;
}

.matrix-td {
    padding: 14px 20px;
    font-size: 14px;
    font-weight: 600;
}

.matrix-checkbox-indicator {
    width: 22px;
    height: 22px;
    border: 2px solid #94a3b8;
    background: var(--surface-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 13px;
}

.matrix-row.selected-node .matrix-checkbox-indicator {
    border-color: var(--brand-blue);
    color: var(--brand-blue);
}

.matrix-row.selected-node .matrix-checkbox-indicator::after {
    content: 'X';
}

/* Quote Submission Container Engine */
.rfq-dashboard-frame {
    border: 2px solid var(--border-primary);
    padding: 25px;
    background: #ffffff;
}

.rfq-dashboard-frame h3 {
    margin: 0 0 8px 0;
    font-size: 20px;
    color: var(--brand-blue);
}

.rfq-dashboard-frame p {
    margin: 0 0 20px 0;
    font-size: 13px;
    color: #64748b;
}

.manifest-tracker-box {
    background: var(--panel-grey);
    border-left: 4px solid var(--brand-blue);
    padding: 12px;
    margin-bottom: 20px;
    display: none;
}

.manifest-label {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    color: #64748b;
    margin-bottom: 6px;
}

.manifest-tag {
    background: var(--brand-blue);
    color: #ffffff;
    padding: 4px 8px;
    font-size: 11px;
    font-weight: 600;
    margin: 2px;
    display: inline-block;
}

.form-input-group {
    margin-bottom: 15px;
}

.form-input-group label {
    display: block;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 6px;
    color: #475569;
}

.form-control-field {
    width: 100%;
    padding: 12px;
    box-sizing: border-box;
    border: 1px solid #cbd5e1;
    font-size: 14px;
}

.form-control-field:focus {
    outline: none;
    border-color: var(--brand-blue);
}

textarea.form-control-field {
    height: 90px;
    resize: vertical;
}

/* Global Footer Area Layout Elements */
footer {
    background: var(--panel-grey);
    border-top: 1px solid #e2e8f0;
    padding: 30px 50px;
    margin-top: 60px;
    font-size: 13px;
    color: #475569;
}

.footer-grid {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
}

/* ==========================================================================
   🛠️ RESPONSIVE MOBILE, SMARTPHONE, AND TABLET ADAPTATION QUERIES
   ========================================================================== */
@media (max-width: 1024px) {
    .top-utility-bar, header, .hero-statement-panel, .workspace, footer {
        padding-left: 24px;
        padding-right: 24px;
    }
    .hero-split-container {
        grid-template-columns: 1fr;
    }
    .hero-statement-panel {
        border-right: none;
        border-bottom: 1px solid #e2e8f0;
    }
    .workspace {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

@media (max-width: 768px) {
    .top-utility-bar {
        flex-direction: column;
        gap: 4px;
        text-align: center;
        padding: 8px 15px;
    }
    .top-utility-right {
        display: none;
    }
    header {
        flex-direction: column;
        text-align: center;
        gap: 20px;
        padding: 20px 15px;
    }
    .header-brand-block {
        flex-direction: column;
    }
    .logo-blend-wrapper {
        margin-right: 0;
        margin-bottom: 10px;
    }
    .enterprise-nav-menu {
        width: 100%;
        flex-direction: column;
        gap: 5px;
    }
    .nav-link-item {
        width: 100%;
        box-sizing: border-box;
        text-align: center;
    }
    .image-matrix-table {
        grid-template-columns: repeat(2, 1fr);
    }
    .upload-slots-grid {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    .footer-address-string span {
        display: block;
        margin-right: 0;
        margin-bottom: 8px;
    }
}