/**
 * ByteStream Reusable Component Library
 * Phases 4, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15
 */

/* ==========================================================================
   BUTTONS & CTAs
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: 12px 24px;
    font-size: 0.9375rem;
    font-weight: 600;
    line-height: 1.25;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    transition: all var(--transition-base);
    white-space: nowrap;
    user-select: none;
}

.btn-primary {
    background-color: var(--color-primary-blue);
    color: var(--color-white);
    box-shadow: 0 1px 2px rgba(37, 99, 235, 0.2);
}

.btn-primary:hover {
    background-color: var(--color-primary-blue-hover);
    color: var(--color-white);
    transform: translateY(-1px);
    box-shadow: var(--shadow-blue-sm);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: none;
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-primary-navy);
    border-color: rgba(55, 65, 81, 0.2);
}

.btn-secondary:hover {
    background-color: var(--color-light-gray);
    border-color: var(--color-primary-navy);
    color: var(--color-primary-navy);
    transform: translateY(-1px);
}

.btn-outline-white {
    background-color: transparent;
    color: var(--color-white);
    border-color: rgba(255, 255, 255, 0.3);
}

.btn-outline-white:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: var(--color-white);
    color: var(--color-white);
}

.btn-white {
    background-color: var(--color-white);
    color: var(--color-primary-navy);
    box-shadow: var(--shadow-sm);
}

.btn-white:hover {
    background-color: var(--color-light-gray);
    color: var(--color-primary-blue);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.8125rem;
}

.btn-lg {
    padding: 16px 32px;
    font-size: 1rem;
    border-radius: var(--radius-lg);
}

/* Arrow indicator transition */
.btn-arrow {
    display: inline-block;
    transition: transform var(--transition-base);
}

.btn:hover .btn-arrow {
    transform: translateX(4px);
}

/* ==========================================================================
   SECTION HEADINGS & EYEBROWS
   ========================================================================== */
.section-header {
    margin-bottom: clamp(40px, 6vw, 64px);
}

.section-header.text-center {
    text-align: center;
    max-width: 760px;
    margin-left: auto;
    margin-right: auto;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-size-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-primary-blue);
    margin-bottom: var(--space-3);
}

.eyebrow-dark {
    color: var(--color-accent-blue);
}

.section-title {
    margin-bottom: var(--space-4);
    letter-spacing: -0.03em;
}

.section-desc {
    font-size: clamp(1rem, 1.5vw, 1.125rem);
    color: var(--color-muted-gray);
    line-height: 1.6;
}

/* ==========================================================================
   TECHNOLOGY TRUST STRIP (Phase 6)
   ========================================================================== */
.tech-trust-strip {
    padding: clamp(32px, 4vw, 48px) 0;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    background-color: var(--color-white);
}

.tech-trust-heading {
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-weight: 700;
    color: var(--color-muted-gray);
    text-align: center;
    margin-bottom: var(--space-6);
}

.tech-strip-grid {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-6);
}

.tech-strip-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 0.9375rem;
    font-weight: 700;
    color: var(--color-dark-gray);
    opacity: 0.45;
    filter: grayscale(100%);
    transition: opacity var(--transition-base), filter var(--transition-base), transform var(--transition-base);
    user-select: none;
}

.tech-strip-item svg {
    width: 22px;
    height: 22px;
    fill: currentColor;
}

.tech-strip-item:hover {
    opacity: 0.95;
    filter: grayscale(0%);
    color: var(--color-primary-navy);
    transform: translateY(-2px);
}

/* ==========================================================================
   ENGINEERING CREDIBILITY INDICATORS (Non-numerical Standards)
   ========================================================================== */
.credibility-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-6);
}

.credibility-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: clamp(24px, 3vw, 32px) var(--space-6);
    text-align: left;
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.credibility-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: rgba(37, 99, 235, 0.25);
}

.credibility-icon {
    width: 42px;
    height: 42px;
    background-color: var(--color-primary-blue-light);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary-blue);
    margin-bottom: var(--space-4);
}

.credibility-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-primary-navy);
    margin-bottom: var(--space-2);
    line-height: 1.3;
}

.credibility-desc {
    font-size: 0.8125rem;
    color: var(--color-muted-gray);
    line-height: 1.5;
    margin: 0;
}

/* Retained stats grid for pages with specific verifiable metrics */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-6);
}

.stat-card {
    background-color: var(--color-light-gray);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: clamp(24px, 4vw, 36px) var(--space-6);
    text-align: center;
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.stat-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: rgba(37, 99, 235, 0.2);
}

.stat-value {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 800;
    color: var(--color-primary-blue);
    line-height: 1.1;
    margin-bottom: var(--space-2);
    letter-spacing: -0.03em;
}

.stat-label {
    font-size: 0.9375rem;
    font-weight: 700;
    color: var(--color-primary-navy);
    margin-bottom: var(--space-1);
}

.stat-desc {
    font-size: var(--font-size-xs);
    color: var(--color-muted-gray);
    line-height: 1.4;
}

/* ==========================================================================
   ENGINEERING CAPABILITIES (Phase 9)
   ========================================================================== */
.capabilities-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
}

.capability-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: clamp(32px, 4vw, 44px) var(--space-8);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.capability-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(37, 99, 235, 0.25);
}

.capability-icon-wrap {
    width: 48px;
    height: 48px;
    background-color: var(--color-primary-blue-light);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary-blue);
    margin-bottom: var(--space-6);
}

.capability-icon-wrap svg {
    width: 24px;
    height: 24px;
}

.capability-card h3 {
    font-size: 1.35rem;
    margin-bottom: var(--space-3);
    letter-spacing: -0.02em;
}

.capability-card p {
    font-size: 0.9375rem;
    color: var(--color-muted-gray);
    line-height: 1.6;
    margin-bottom: var(--space-6);
}

.capability-features {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    margin-bottom: var(--space-6);
    padding-top: var(--space-4);
    border-top: 1px solid var(--color-border);
}

.capability-feature-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--color-dark-gray);
}

.capability-feature-item::before {
    content: "•";
    color: var(--color-primary-blue);
    font-size: 14px;
}

.capability-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--color-primary-blue);
    margin-top: auto;
    transition: gap var(--transition-fast), color var(--transition-fast);
}

.capability-link:hover {
    gap: var(--space-3);
    color: var(--color-primary-blue-hover);
}

/* ==========================================================================
   INDUSTRIES INTERACTIVE COMPONENT (Phase 8)
   ========================================================================== */
.industries-layout {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: var(--space-8);
    align-items: start;
}

.industries-nav {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    max-height: 520px;
    overflow-y: auto;
    padding-right: var(--space-2);
}

.industry-tab-btn {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) var(--space-5);
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-dark-gray);
    text-align: left;
    cursor: pointer;
    transition: all var(--transition-base);
}

.industry-tab-btn:hover {
    border-color: rgba(37, 99, 235, 0.3);
    color: var(--color-primary-blue);
    background-color: var(--color-light-gray);
}

.industry-tab-btn.is-active {
    background-color: var(--color-primary-blue);
    border-color: var(--color-primary-blue);
    color: var(--color-white);
    box-shadow: var(--shadow-blue-sm);
}

.industry-tab-btn .tab-chevron {
    font-size: 12px;
    opacity: 0.6;
    transition: transform var(--transition-base);
}

.industry-tab-btn.is-active .tab-chevron {
    opacity: 1;
    transform: translateX(3px);
}

.industry-content-container {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: clamp(32px, 5vw, 56px);
    box-shadow: var(--shadow-sm);
    min-height: 480px;
}

.industry-panel {
    display: none;
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.industry-panel.is-active {
    display: block;
    opacity: 1;
}

.industry-panel-eyebrow {
    font-size: var(--font-size-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-primary-blue);
    margin-bottom: var(--space-2);
}

.industry-panel-title {
    font-size: clamp(1.5rem, 2.5vw, 2rem);
    margin-bottom: var(--space-6);
}

.industry-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
    margin-bottom: var(--space-8);
}

.industry-block h4 {
    font-size: 0.9375rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-primary-navy);
    margin-bottom: var(--space-2);
    font-weight: 700;
}

.industry-block p {
    font-size: 0.9375rem;
    color: var(--color-muted-gray);
    line-height: 1.6;
}

.industry-capabilities-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-bottom: var(--space-8);
}

.capability-pill {
    background-color: var(--color-light-gray);
    border: 1px solid var(--color-border);
    padding: 6px 14px;
    border-radius: var(--radius-full);
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-dark-gray);
}

.industry-outcomes-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-4);
    padding-top: var(--space-6);
    border-top: 1px solid var(--color-border);
}

.outcome-block {
    background-color: var(--color-light-gray);
    border-radius: var(--radius-md);
    padding: var(--space-4);
    text-align: center;
}

.outcome-val {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--color-primary-blue);
    margin-bottom: var(--space-1);
}

.outcome-lbl {
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--color-dark-gray);
}

/* ==========================================================================
   PROVEN SOLUTIONS / CASE STUDIES (Phase 10)
   ========================================================================== */
.case-studies-stack {
    display: flex;
    flex-direction: column;
    gap: var(--space-8);
}

.case-study-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.case-study-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(37, 99, 235, 0.2);
}

.case-study-visual {
    background-color: var(--color-light-gray);
    display: flex;
    align-items: stretch;
    justify-content: center;
    padding: clamp(20px, 3vw, 32px);
    position: relative;
    border-right: 1px solid var(--color-border);
}

/* ==========================================================================
   ENGINEERING SYSTEM VISUALS & DIAGRAMS
   ========================================================================== */
.engineering-diagram-container {
    width: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.eng-diagram {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 16px rgba(17, 24, 39, 0.04);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    width: 100%;
}

.diagram-top-bar {
    background-color: #F8FAFC;
    border-bottom: 1px solid var(--color-border);
    padding: 10px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.6875rem;
}

.diagram-type-badge {
    display: flex;
    align-items: center;
    gap: 6px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-primary-navy);
}

.diagram-type-badge svg {
    color: var(--color-primary-blue);
}

.diagram-status-indicator {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--color-muted-gray);
    font-weight: 600;
}

.status-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: #10B981;
    display: inline-block;
    box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.2);
}

.diagram-canvas {
    padding: clamp(16px, 2.5vw, 24px);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    background-color: #FFFFFF;
}

/* Base Diagram Nodes */
.diagram-node-tier {
    width: 100%;
}

.diagram-node {
    background-color: #FFFFFF;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: var(--space-3);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.diagram-node.node-primary {
    border-left: 3px solid var(--color-primary-blue);
    background: linear-gradient(90deg, rgba(37, 99, 235, 0.03) 0%, #FFFFFF 100%);
}

.diagram-node.node-success {
    border-left: 3px solid #10B981;
    background: linear-gradient(90deg, rgba(16, 185, 129, 0.04) 0%, #FFFFFF 100%);
}

.node-icon-box {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    background-color: rgba(37, 99, 235, 0.08);
    color: var(--color-primary-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.node-icon-box.icon-success {
    background-color: rgba(16, 185, 129, 0.1);
    color: #10B981;
}

.node-content {
    flex-grow: 1;
    min-width: 0;
}

.node-tag {
    font-size: 0.625rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-primary-blue);
    display: block;
    margin-bottom: 2px;
}

.node-title {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--color-primary-navy);
    margin: 0;
    line-height: 1.25;
}

.node-sub {
    font-size: 0.6875rem;
    color: var(--color-muted-gray);
    display: block;
    margin-top: 2px;
}

/* Flow Connectors */
.diagram-flow-connector {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    position: relative;
    padding: 2px 0;
}

.flow-line-vertical {
    height: 14px;
    width: 1px;
    background-color: rgba(37, 99, 235, 0.3);
}

.flow-label {
    font-size: 0.625rem;
    font-weight: 700;
    color: var(--color-primary-blue);
    background-color: #EFF6FF;
    border: 1px solid rgba(37, 99, 235, 0.15);
    padding: 2px 8px;
    border-radius: var(--radius-full);
    letter-spacing: 0.02em;
}

/* Hub Card (Central Marketplace / Booking Engine) */
.diagram-hub-card {
    background-color: #F8FAFC;
    border: 1px solid rgba(37, 99, 235, 0.2);
    border-radius: var(--radius-md);
    padding: 14px 16px;
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.04);
}

.hub-header {
    margin-bottom: 12px;
}

.hub-title-group {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.hub-icon-wrap {
    width: 32px;
    height: 32px;
    background-color: var(--color-primary-blue);
    color: #FFFFFF;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.hub-title {
    font-size: 0.875rem;
    font-weight: 800;
    color: var(--color-primary-navy);
    margin: 0;
}

.hub-sub {
    font-size: 0.625rem;
    color: var(--color-muted-gray);
    display: block;
    margin-top: 2px;
}

/* FinTech Participant Bidding Network */
.hub-bidding-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}

.participant-node {
    background-color: #FFFFFF;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xs);
    padding: 8px 10px;
    transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.participant-node.participant-highlight {
    border-color: var(--color-primary-blue);
    background-color: #F0F7FF;
    box-shadow: 0 2px 6px rgba(37, 99, 235, 0.1);
}

.participant-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 4px;
}

.participant-badge {
    font-size: 0.5625rem;
    font-weight: 800;
    text-transform: uppercase;
    color: var(--color-muted-gray);
}

.participant-status {
    font-size: 0.5625rem;
    font-weight: 700;
    padding: 1px 4px;
    border-radius: 2px;
}

.participant-status.status-active {
    background-color: #E2E8F0;
    color: var(--color-dark-gray);
}

.participant-status.status-selected {
    background-color: #DBEAFE;
    color: var(--color-primary-blue);
}

.participant-name {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--color-primary-navy);
    line-height: 1.2;
    margin-bottom: 2px;
}

.participant-action {
    font-size: 0.5625rem;
    color: var(--color-muted-gray);
    line-height: 1.2;
}

/* Ferry Dual Ingress & Modules */
.diagram-dual-ingress {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3);
}

.ingress-node {
    background-color: #FFFFFF;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 10px 12px;
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.flow-convergence-lines {
    display: flex;
    width: 60%;
    justify-content: space-around;
    height: 10px;
    border-bottom: 1px solid rgba(37, 99, 235, 0.3);
    margin-bottom: 2px;
}

.hub-modules-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.module-chip {
    background-color: #FFFFFF;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xs);
    padding: 8px 10px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.module-chip.module-chip-highlight {
    border-color: rgba(37, 99, 235, 0.4);
    background-color: #F0F7FF;
}

.module-chip-icon {
    color: var(--color-primary-blue);
    flex-shrink: 0;
}

.module-chip-text strong {
    display: block;
    font-size: 0.6875rem;
    color: var(--color-primary-navy);
    line-height: 1.2;
}

.module-chip-text span {
    font-size: 0.5625rem;
    color: var(--color-muted-gray);
}

/* Track & Trace Supply Chain Horizontal Pipeline */
.supply-chain-pipeline {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 6px;
    width: 100%;
}

.sc-stage-card {
    flex: 1;
    background-color: #F8FAFC;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 10px 8px;
    text-align: center;
    position: relative;
    min-width: 0;
}

.sc-stage-card.sc-stage-highlight {
    background-color: #F0FDF4;
    border-color: #86EFAC;
}

.sc-stage-num {
    font-size: 0.5625rem;
    font-weight: 800;
    color: var(--color-muted-gray);
    margin-bottom: 2px;
}

.sc-stage-icon {
    color: var(--color-primary-blue);
    margin-bottom: 4px;
}

.sc-stage-card.sc-stage-highlight .sc-stage-icon {
    color: #16A34A;
}

.sc-stage-title {
    font-size: 0.6875rem;
    font-weight: 700;
    color: var(--color-primary-navy);
    margin: 0 0 2px 0;
    line-height: 1.2;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sc-stage-desc {
    font-size: 0.5625rem;
    color: var(--color-muted-gray);
    margin: 0 0 6px 0;
    line-height: 1.2;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.sc-event-badge {
    font-size: 0.5rem;
    font-weight: 700;
    text-transform: uppercase;
    background-color: #EFF6FF;
    color: var(--color-primary-blue);
    border-radius: 2px;
    padding: 2px 4px;
    display: inline-block;
    letter-spacing: 0.02em;
}

.sc-event-badge.badge-success {
    background-color: #DCFCE7;
    color: #15803D;
}

.sc-pipe-arrow {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--color-primary-blue);
    flex-shrink: 0;
    padding: 0 2px;
}

.pipe-indicator {
    font-size: 0.75rem;
    font-weight: 800;
    line-height: 1;
}

.pipe-meta {
    font-size: 0.5rem;
    color: var(--color-muted-gray);
    white-space: nowrap;
    margin-top: 2px;
}

.telemetry-bar-card {
    background-color: #F8FAFC;
    border: 1px dashed var(--color-border);
    border-radius: var(--radius-sm);
    padding: 8px 12px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-3);
    text-align: center;
}

.telemetry-label {
    display: block;
    font-size: 0.5625rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--color-primary-navy);
}

.telemetry-val {
    display: block;
    font-size: 0.5625rem;
    color: var(--color-primary-blue);
    font-weight: 600;
}

.diagram-footer-bar {
    background-color: #F8FAFC;
    border-top: 1px solid var(--color-border);
    padding: 8px 16px;
    font-size: 0.625rem;
    font-weight: 600;
    color: var(--color-muted-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
}

@media (max-width: 1024px) {
    .case-study-visual {
        border-right: none;
        border-bottom: 1px solid var(--color-border);
    }
}

@media (max-width: 640px) {
    .hub-bidding-grid {
        grid-template-columns: 1fr;
    }

    .diagram-dual-ingress {
        grid-template-columns: 1fr;
    }

    .hub-modules-grid {
        grid-template-columns: 1fr;
    }

    .supply-chain-pipeline {
        flex-direction: column;
        gap: 8px;
    }

    .sc-stage-card {
        width: 100%;
    }

    .sc-pipe-arrow {
        transform: rotate(90deg);
        padding: 4px 0;
    }

    .telemetry-bar-card {
        grid-template-columns: 1fr;
        gap: 6px;
    }
}

.case-study-details {
    padding: clamp(32px, 4vw, 48px);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.case-study-tag {
    font-size: var(--font-size-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-primary-blue);
    margin-bottom: var(--space-2);
}

.case-study-title {
    font-size: clamp(1.25rem, 2vw, 1.5rem);
    font-weight: 800;
    color: var(--color-primary-navy);
    margin-bottom: var(--space-3);
    letter-spacing: -0.02em;
    line-height: 1.25;
}

.case-study-lead-desc {
    font-size: 0.9375rem;
    color: var(--color-muted-gray);
    line-height: 1.6;
    margin-bottom: var(--space-4);
}

.case-study-section-block {
    margin-bottom: var(--space-3);
}

.case-study-section-block strong {
    display: block;
    font-size: 0.8125rem;
    font-weight: 700;
    color: var(--color-primary-navy);
    margin-bottom: 4px;
}

.case-study-section-block p {
    font-size: 0.875rem;
    color: var(--color-muted-gray);
    line-height: 1.5;
    margin: 0;
}

.case-study-capabilities-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.case-study-capabilities-list li {
    font-size: 0.84375rem;
    color: var(--color-dark-gray);
    display: flex;
    align-items: flex-start;
    gap: var(--space-2);
}

.case-study-capabilities-list .check-icon {
    color: var(--color-primary-blue);
    flex-shrink: 0;
    margin-top: 2px;
}

.case-study-value-block {
    background-color: var(--color-light-gray);
    border-left: 3px solid var(--color-primary-blue);
    padding: 8px 12px;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    margin-top: var(--space-2);
}

.case-study-value-block strong {
    color: var(--color-primary-blue);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.case-study-value-block p {
    font-size: 0.8125rem;
    color: var(--color-dark-gray);
}

.case-study-tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-top: var(--space-3);
    margin-bottom: var(--space-3);
}

.case-study-tech-pill {
    background-color: var(--color-light-gray);
    border: 1px solid var(--color-border);
    padding: 3px 8px;
    border-radius: var(--radius-xs);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-dark-gray);
}

.case-study-action-row {
    margin-top: var(--space-2);
}

/* ==========================================================================
   PORTFOLIO FILTER BAR & GRID
   ========================================================================== */
.portfolio-filter-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    margin-bottom: var(--space-10);
}

.filter-pill-btn {
    appearance: none;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    padding: 8px 16px;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-muted-gray);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.filter-pill-btn:hover {
    color: var(--color-primary-navy);
    border-color: var(--color-primary-blue);
    background-color: rgba(37, 99, 235, 0.03);
}

.filter-pill-btn.is-active {
    background-color: var(--color-primary-navy);
    color: var(--color-white);
    border-color: var(--color-primary-navy);
    box-shadow: var(--shadow-sm);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--space-8);
}

.related-cards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: clamp(20px, 3vw, 32px);
    align-items: stretch;
}

.portfolio-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: clamp(24px, 3vw, 32px);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
    position: relative;
    box-shadow: 0 1px 3px rgba(17, 24, 39, 0.04);
}

.portfolio-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 28px rgba(17, 24, 39, 0.08);
    border-color: rgba(37, 99, 235, 0.35);
}

.portfolio-card.is-hidden {
    display: none !important;
}

.portfolio-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-3);
    gap: var(--space-2);
}

.portfolio-card-category {
    font-size: 0.6875rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-primary-blue);
}

.portfolio-card-badge {
    font-size: 0.6875rem;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 9999px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.portfolio-card-badge.product-badge {
    background-color: rgba(37, 99, 235, 0.1);
    color: var(--color-primary-blue);
    border: 1px solid rgba(37, 99, 235, 0.2);
}

.portfolio-card-title {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--color-primary-navy);
    line-height: 1.35;
    margin-bottom: var(--space-3);
    letter-spacing: -0.01em;
}

.portfolio-card-title a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

.portfolio-card-title a:hover {
    color: var(--color-primary-blue);
}

.portfolio-card-desc {
    font-size: 0.90625rem;
    color: var(--color-muted-gray);
    line-height: 1.6;
    margin-bottom: var(--space-4);
    flex-grow: 1;
}

/* Compact System Flow Badge for Portfolio Cards */
.portfolio-card-topology {
    background: #F8FAFC;
    border: 1px solid rgba(37, 99, 235, 0.15);
    border-radius: var(--radius-md);
    padding: 8px 10px;
    margin-bottom: var(--space-4);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 6px;
}

.topo-node {
    font-size: 0.6875rem;
    font-weight: 700;
    padding: 4px 6px;
    border-radius: var(--radius-xs);
    text-align: center;
    line-height: 1.25;
    flex: 1;
    min-width: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.topo-left,
.topo-right {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    color: var(--color-primary-navy);
}

.topo-hub {
    background-color: #EFF6FF;
    border: 1px solid rgba(37, 99, 235, 0.3);
    color: var(--color-primary-blue);
    font-weight: 800;
}

.topo-arrow {
    color: var(--color-primary-blue);
    font-weight: 800;
    font-size: 0.8125rem;
    flex-shrink: 0;
    opacity: 0.7;
}

.portfolio-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: var(--space-5);
}

.portfolio-tag {
    background-color: var(--color-light-gray);
    border: 1px solid var(--color-border);
    padding: 3px 8px;
    border-radius: var(--radius-xs);
    font-size: 0.6875rem;
    font-weight: 600;
    color: var(--color-dark-gray);
}

.portfolio-card-footer {
    border-top: 1px solid var(--color-border);
    padding-top: var(--space-4);
    margin-top: auto;
    display: flex;
    align-items: center;
    justify-content: flex-start;
}

.btn-link-action {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--color-primary-blue);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.btn-link-action .btn-arrow {
    transition: transform var(--transition-fast);
    display: inline-block;
}

.portfolio-card:hover .btn-link-action .btn-arrow {
    transform: translateX(4px);
}

.btn-link-action:hover {
    color: var(--color-primary-navy);
    gap: var(--space-3);
}

.btn-link-action .btn-arrow {
    transition: transform var(--transition-fast);
}

.btn-link-action:hover .btn-arrow {
    transform: translateX(4px);
}

/* ==========================================================================
   TECHNOLOGY MATRIX (Phase 11)
   ========================================================================== */
.tech-matrix-header-note {
    text-align: center;
    font-size: 0.9375rem;
    color: var(--color-muted-gray);
    max-width: 680px;
    margin: 0 auto var(--space-8) auto;
    font-style: italic;
}

.tech-matrix-nav {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-bottom: var(--space-8);
}

.tech-matrix-tab-btn {
    padding: 10px 20px;
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-dark-gray);
    cursor: pointer;
    transition: all var(--transition-base);
}

.tech-matrix-tab-btn:hover {
    border-color: rgba(37, 99, 235, 0.3);
    color: var(--color-primary-blue);
}

.tech-matrix-tab-btn.is-active {
    background-color: var(--color-primary-navy);
    border-color: var(--color-primary-navy);
    color: var(--color-white);
}

.tech-matrix-grid {
    display: none;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-6);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.tech-matrix-grid.is-active {
    display: grid;
    opacity: 1;
}

.tech-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    display: flex;
    flex-direction: column;
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.tech-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: rgba(37, 99, 235, 0.2);
}

.tech-card h4 {
    font-size: 1.1rem;
    margin-bottom: var(--space-2);
    color: var(--color-primary-navy);
}

.tech-card p {
    font-size: 0.875rem;
    color: var(--color-muted-gray);
    line-height: 1.5;
}

/* ==========================================================================
   THE BYTESTREAM WAY (Phase 13) - Compact Homepage Presentation
   ========================================================================== */
.compact-bytestream-way {
    margin-bottom: var(--space-4);
}

.bytestream-way-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-4);
}

.bytestream-step-item {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: clamp(16px, 2.5vw, 22px);
    display: flex;
    flex-direction: column;
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
    position: relative;
}

.bytestream-step-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: rgba(37, 99, 235, 0.3);
}

.bytestream-step-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-2);
}

.step-num {
    font-size: 0.6875rem;
    font-weight: 800;
    color: var(--color-primary-blue);
    background-color: var(--color-primary-blue-light);
    padding: 2px 8px;
    border-radius: var(--radius-xs);
    letter-spacing: 0.05em;
}

.step-phase {
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-muted-gray);
}

.step-title {
    font-size: 0.9375rem;
    font-weight: 700;
    color: var(--color-primary-navy);
    margin-bottom: var(--space-2);
    line-height: 1.3;
}

.step-summary {
    font-size: 0.8125rem;
    color: var(--color-muted-gray);
    line-height: 1.45;
    margin: 0;
}

/* Full Process Timeline for Process page */
.bef-container {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    padding: var(--space-8) 0;
}

.bef-timeline-track {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 2px;
    background-color: rgba(55, 65, 81, 0.12);
    transform: translateX(-50%);
}

.bef-timeline-progress {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 0%;
    background: linear-gradient(to bottom, var(--color-primary-blue), var(--color-accent-blue));
    transition: height 100ms ease-out;
}

.bef-step {
    position: relative;
    width: 50%;
    padding: var(--space-6) var(--space-8);
    box-sizing: border-box;
    opacity: 1;
    transition: opacity var(--transition-base), transform var(--transition-base);
}

.bef-step.is-active .bef-step-card {
    border-color: var(--color-primary-blue);
    box-shadow: var(--shadow-md);
}

.bef-step:nth-child(odd) {
    left: 0;
    text-align: right;
    padding-right: var(--space-10);
}

.bef-step:nth-child(even) {
    left: 50%;
    text-align: left;
    padding-left: var(--space-10);
}

.bef-step-dot {
    position: absolute;
    top: 28px;
    width: 14px;
    height: 14px;
    background-color: var(--color-white);
    border: 3px solid rgba(55, 65, 81, 0.3);
    border-radius: 50%;
    z-index: 10;
    transition: all var(--transition-base);
}

.bef-step:nth-child(odd) .bef-step-dot {
    right: -7px;
}

.bef-step:nth-child(even) .bef-step-dot {
    left: -7px;
}

.bef-step.is-active .bef-step-dot {
    border-color: var(--color-primary-blue);
    background-color: var(--color-primary-blue);
    transform: scale(1.25);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.15);
}

.bef-step-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    box-shadow: var(--shadow-sm);
    transition: border-color var(--transition-base);
}

.bef-step.is-active .bef-step-card {
    border-color: rgba(37, 99, 235, 0.2);
}

.bef-step-badge {
    display: inline-block;
    font-size: var(--font-size-xs);
    font-weight: 800;
    color: var(--color-primary-blue);
    margin-bottom: var(--space-1);
    letter-spacing: 0.05em;
}

.bef-step-title {
    font-size: 1.15rem;
    margin-bottom: var(--space-2);
}

.bef-step-desc {
    font-size: 0.875rem;
    color: var(--color-muted-gray);
    line-height: 1.5;
    margin-bottom: var(--space-3);
}

.bef-step-deliverable {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-dark-gray);
    background-color: var(--color-light-gray);
    padding: 4px 8px;
    border-radius: var(--radius-xs);
    display: inline-block;
}

/* ==========================================================================
   TESTIMONIALS (Phase 12)
   ========================================================================== */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
}

.testimonial-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: clamp(32px, 4vw, 44px) var(--space-8);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.testimonial-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.testimonial-quote {
    font-size: 1rem;
    line-height: 1.65;
    color: var(--color-primary-navy);
    font-weight: 400;
    margin-bottom: var(--space-6);
    position: relative;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding-top: var(--space-4);
    border-top: 1px solid var(--color-border);
}

.author-avatar {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--color-primary-navy), var(--color-dark-gray));
    color: var(--color-white);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.875rem;
}

.author-info h4 {
    font-size: 0.9375rem;
    margin-bottom: 2px;
}

.author-info p {
    font-size: 0.8125rem;
    color: var(--color-muted-gray);
    line-height: 1.3;
}

/* ==========================================================================
   ENGINEERING INSIGHTS (Phase 14)
   ========================================================================== */
.insights-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
}

.insight-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.insight-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(37, 99, 235, 0.25);
}

.insight-cover {
    height: 190px;
    background-color: #F8FAFC;
    display: flex;
    align-items: center;
    justify-content: center;
    border-bottom: 1px solid var(--color-border);
    position: relative;
    overflow: hidden;
}

.insight-cover-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
    transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.insight-card:hover .insight-cover-img {
    transform: scale(1.04);
}

.insight-body {
    padding: var(--space-8);
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.insight-meta {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-size-xs);
    color: var(--color-muted-gray);
    margin-bottom: var(--space-3);
    flex-wrap: wrap;
}

.insight-tag {
    font-weight: 700;
    color: var(--color-primary-blue);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.insight-card h3 {
    font-size: 1.2rem;
    line-height: 1.4;
    margin-bottom: var(--space-3);
    transition: color var(--transition-fast);
}

.insight-card:hover h3 a {
    color: var(--color-primary-blue) !important;
}

.insight-card p {
    font-size: 0.875rem;
    color: var(--color-muted-gray);
    line-height: 1.6;
    margin-bottom: var(--space-6);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.insight-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--color-primary-blue);
    margin-top: auto;
}

/* ==========================================================================
   HOMEPAGE INSIGHTS BOTTOM CTA ACTION
   ========================================================================== */
.homepage-insights-cta {
    text-align: center;
    margin-top: clamp(40px, 5vw, 64px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
}

.homepage-insights-cta .btn {
    min-width: 220px;
    font-weight: 700;
}

.homepage-insights-cta .btn-secondary {
    background-color: var(--color-white);
    border: 1.5px solid #CBD5E1;
    color: var(--color-primary-navy);
    box-shadow: 0 2px 6px rgba(10, 15, 29, 0.04);
}

.homepage-insights-cta .btn-secondary:hover {
    border-color: var(--color-primary-blue);
    color: var(--color-primary-blue);
    background-color: #F8FAFC;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.12);
}

.homepage-insights-cta-sub {
    font-size: 0.9375rem;
    color: var(--color-muted-gray);
    margin: 0;
    max-width: 520px;
    line-height: 1.5;
    text-align: center;
}

@media (max-width: 768px) {
    .homepage-insights-cta {
        margin-top: var(--space-8);
        gap: var(--space-3);
    }
    
    .homepage-insights-cta .btn {
        width: 100%;
        max-width: 320px;
    }
    
    .homepage-insights-cta-sub {
        font-size: var(--font-size-sm);
        padding: 0 var(--space-4);
    }
}

/* ==========================================================================
   PRE-FOOTER CTA BANNER (Phase 15)
   ========================================================================== */
.cta-banner {
    background-color: var(--color-primary-navy);
    color: var(--color-white);
    border-radius: var(--radius-2xl);
    padding: clamp(48px, 6vw, 80px) clamp(24px, 5vw, 64px);
    text-align: center;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.cta-banner::before {
    content: '';
    position: absolute;
    top: -50%;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 400px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.15) 0%, transparent 70%);
    pointer-events: none;
}

.cta-content {
    position: relative;
    max-width: 720px;
    margin: 0 auto;
    z-index: 2;
}

.cta-banner h2 {
    color: var(--color-white);
    font-size: clamp(2rem, 4vw, 2.75rem);
    margin-bottom: var(--space-4);
    letter-spacing: -0.03em;
}

.cta-banner p {
    color: rgba(255, 255, 255, 0.8);
    font-size: clamp(1rem, 1.5vw, 1.15rem);
    line-height: 1.6;
    margin-bottom: var(--space-8);
}

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