/* roulang page: index */
:root {
            --bg-primary: #F8F9FA;
            --bg-surface: #FFFFFF;
            --bg-dark: #0F141C;
            --bg-dark-elevated: #161E2A;
            --text-primary: #0F141C;
            --text-secondary: #475569;
            --text-muted: #64748B;
            --text-on-dark: #F1F5F9;
            --text-muted-dark: #94A3B8;
            --brand-primary: #0A5C36;
            --brand-emerald: #10B981;
            --brand-emerald-light: rgba(16, 185, 129, 0.12);
            --accent-amber: #D97706;
            --accent-amber-light: rgba(217, 119, 6, 0.12);
            --danger-red: #EF4444;
            --border-light: rgba(15, 20, 28, 0.08);
            --border-dark: rgba(255, 255, 255, 0.1);
            --shadow-subtle: 0 10px 30px -10px rgba(0, 0, 0, 0.05);
            --shadow-hover: 0 20px 40px -15px rgba(10, 92, 54, 0.14);
            --radius-sm: 8px;
            --radius-md: 12px;
            --font-sans: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --font-mono: ui-monospace, "SF Mono", Menlo, Monaco, Consolas, monospace;
            --transition-fast: 200ms ease-out;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.7;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }

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

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        ul, ol {
            list-style: none;
        }

        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }

        .mono {
            font-family: var(--font-mono);
            font-variant-numeric: tabular-nums;
        }

        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Top Utility Bar */
        .utility-bar {
            background-color: var(--bg-dark);
            color: var(--text-muted-dark);
            font-size: 12px;
            border-bottom: 1px solid var(--border-dark);
            padding: 8px 0;
        }

        .utility-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
        }

        .status-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--text-on-dark);
            font-weight: 500;
        }

        .status-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background-color: var(--brand-emerald);
            box-shadow: 0 0 8px var(--brand-emerald);
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.4; }
        }

        .utility-meta {
            display: flex;
            align-items: center;
            gap: 20px;
        }

        .utility-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        /* Sticky Main Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            height: 70px;
            background-color: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-light);
        }

        .header-inner {
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            font-weight: 800;
            font-size: 18px;
            color: var(--text-primary);
            letter-spacing: -0.02em;
        }

        .logo-symbol {
            width: 34px;
            height: 34px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--brand-primary), var(--brand-emerald));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-family: var(--font-mono);
            font-weight: 700;
            font-size: 15px;
            flex-shrink: 0;
        }

        .brand-sub {
            font-size: 12px;
            font-weight: 600;
            color: var(--brand-primary);
            padding-left: 10px;
            border-left: 1px solid var(--border-light);
            font-family: var(--font-mono);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 24px;
        }

        .nav-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-secondary);
            padding: 6px 2px;
            position: relative;
        }

        .nav-link:hover, .nav-link.active {
            color: var(--brand-primary);
        }

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--brand-emerald);
            transition: width var(--transition-fast);
        }

        .nav-link:hover::after, .nav-link.active::after {
            width: 100%;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: transform var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast);
        }

        .btn:hover {
            transform: translateY(-3px);
        }

        .btn-primary {
            background-color: var(--brand-primary);
            color: #FFFFFF;
            box-shadow: 0 4px 12px rgba(10, 92, 54, 0.25);
        }

        .btn-primary:hover {
            background-color: #08492b;
            box-shadow: 0 8px 20px rgba(10, 92, 54, 0.35);
        }

        .btn-amber {
            background-color: var(--accent-amber);
            color: #FFFFFF;
        }

        .btn-amber:hover {
            background-color: #b45309;
        }

        .btn-outline {
            border: 1px solid var(--border-light);
            background-color: var(--bg-surface);
            color: var(--text-primary);
        }

        .btn-outline:hover {
            border-color: var(--brand-emerald);
            color: var(--brand-primary);
        }

        .mobile-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            align-items: center;
            justify-content: center;
            cursor: pointer;
            color: var(--text-primary);
        }

        /* Section Generic Styling */
        section {
            padding: 88px 0;
            position: relative;
        }

        .section-alt {
            background-color: var(--bg-surface);
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
        }

        .section-header {
            max-width: 820px;
            margin-bottom: 52px;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 4px 12px;
            border-radius: var(--radius-sm);
            background-color: var(--brand-emerald-light);
            color: var(--brand-primary);
            font-size: 12px;
            font-weight: 700;
            font-family: var(--font-mono);
            text-transform: uppercase;
            margin-bottom: 14px;
        }

        .section-title {
            font-size: 32px;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.02em;
            line-height: 1.25;
            margin-bottom: 16px;
        }

        .section-desc {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.75;
        }

        /* Section 01: Hero Banner & Carousel + Talent/Architecture Entry */
        .hero-section {
            padding: 56px 0 72px;
            background-color: var(--bg-dark);
            color: var(--text-on-dark);
            position: relative;
            overflow: hidden;
            border-bottom: 2px solid var(--brand-primary);
        }

        .hero-bg-slide {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            opacity: 0;
            transition: opacity 600ms ease-in-out;
            z-index: 0;
        }

        .hero-bg-slide.active {
            opacity: 0.22;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 20% 30%, rgba(10, 92, 54, 0.35), rgba(15, 20, 28, 0.94) 70%);
            z-index: 1;
        }

        .hero-container {
            position: relative;
            z-index: 2;
        }

        .hero-top-grid {
            display: grid;
            grid-template-columns: 1.15fr 0.85fr;
            gap: 40px;
            align-items: stretch;
            margin-bottom: 36px;
        }

        .hero-main-box {
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            background: rgba(22, 30, 42, 0.78);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-md);
            padding: 36px;
            backdrop-filter: blur(8px);
        }

        .hero-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            font-family: var(--font-mono);
            color: var(--brand-emerald);
            background: rgba(16, 185, 129, 0.1);
            border: 1px solid rgba(16, 185, 129, 0.3);
            padding: 6px 14px;
            border-radius: var(--radius-sm);
            width: fit-content;
            margin-bottom: 20px;
        }

        .hero-title {
            font-size: 42px;
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1.2;
            color: #FFFFFF;
            margin-bottom: 20px;
        }

        .hero-lead {
            font-size: 15px;
            color: var(--text-muted-dark);
            line-height: 1.75;
            margin-bottom: 28px;
        }

        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 28px;
        }

        .carousel-controls {
            display: flex;
            align-items: center;
            gap: 10px;
            padding-top: 20px;
            border-top: 1px solid var(--border-dark);
        }

        .scene-btn {
            padding: 7px 14px;
            border-radius: var(--radius-sm);
            font-size: 12px;
            font-weight: 600;
            color: var(--text-muted-dark);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-dark);
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .scene-btn.active, .scene-btn:hover {
            background: var(--brand-primary);
            color: #FFFFFF;
            border-color: var(--brand-emerald);
        }

        /* Hero Right: Employer & Technical Team Pod + Live Telemetry */
        .hero-right-panel {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .telemetry-card {
            background: rgba(22, 30, 42, 0.88);
            border: 1px solid rgba(16, 185, 129, 0.3);
            border-radius: var(--radius-md);
            padding: 24px;
        }

        .telemetry-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 18px;
            font-size: 13px;
            color: var(--text-muted-dark);
        }

        .telemetry-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 12px;
        }

        .telemetry-item {
            background: rgba(15, 20, 28, 0.75);
            padding: 14px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-dark);
        }

        .telemetry-val {
            font-size: 22px;
            font-weight: 800;
            color: var(--brand-emerald);
            font-family: var(--font-mono);
            display: block;
        }

        .telemetry-label {
            font-size: 12px;
            color: var(--text-muted-dark);
            margin-top: 4px;
            display: block;
        }

        .employer-pod {
            background: rgba(22, 30, 42, 0.88);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-md);
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .employer-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 14px;
        }

        .employer-title {
            font-size: 16px;
            font-weight: 700;
            color: #FFFFFF;
        }

        .job-tag {
            font-size: 11px;
            font-family: var(--font-mono);
            background: var(--accent-amber-light);
            color: #FBBF24;
            padding: 3px 8px;
            border-radius: 4px;
            border: 1px solid rgba(217, 119, 6, 0.4);
        }

        .job-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin-bottom: 16px;
        }

        .job-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 10px 12px;
            background: rgba(15, 20, 28, 0.6);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-sm);
            font-size: 13px;
            transition: border-color var(--transition-fast);
        }

        .job-item:hover {
            border-color: var(--brand-emerald);
        }

        .job-role {
            font-weight: 600;
            color: var(--text-on-dark);
        }

        .job-spec {
            font-family: var(--font-mono);
            font-size: 12px;
            color: var(--brand-emerald);
        }

        /* Section 02: Technical Documentation & Service Matrix (4-column asymmetric) */
        .service-matrix-grid {
            display: grid;
            grid-template-columns: 1.35fr 1fr 1fr 1fr;
            gap: 24px;
            align-items: stretch;
        }

        .matrix-card {
            background: var(--bg-surface);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 28px;
            box-shadow: var(--shadow-subtle);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

        .matrix-card:hover {
            transform: translateY(-3px);
            border-color: var(--brand-emerald);
            box-shadow: var(--shadow-hover);
        }

        .matrix-card-featured {
            background: linear-gradient(160deg, #0F141C 0%, #162420 100%);
            color: var(--text-on-dark);
            border-color: var(--brand-primary);
        }

        .matrix-card-featured .matrix-title {
            color: #FFFFFF;
            font-size: 22px;
        }

        .matrix-card-featured .matrix-desc {
            color: var(--text-muted-dark);
        }

        .spec-badge {
            display: inline-block;
            font-family: var(--font-mono);
            font-size: 11px;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 4px;
            background: var(--brand-emerald-light);
            color: var(--brand-primary);
            margin-bottom: 16px;
            width: fit-content;
        }

        .matrix-card-featured .spec-badge {
            background: rgba(16, 185, 129, 0.2);
            color: var(--brand-emerald);
        }

        .matrix-thumb {
            width: 100%;
            height: 140px;
            object-fit: cover;
            border-radius: var(--radius-sm);
            margin-bottom: 18px;
            border: 1px solid var(--border-light);
        }

        .matrix-title {
            font-size: 19px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-primary);
        }

        .matrix-desc {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 20px;
            line-height: 1.65;
        }

        .matrix-meta {
            padding-top: 14px;
            border-top: 1px solid var(--border-light);
            font-family: var(--font-mono);
            font-size: 12px;
            color: var(--brand-primary);
            display: flex;
            justify-content: space-between;
        }

        .matrix-card-featured .matrix-meta {
            border-top-color: var(--border-dark);
            color: var(--brand-emerald);
        }

        /* Section 03: Core Platform Architecture (2-col) */
        .arch-layout {
            display: grid;
            grid-template-columns: 1.05fr 0.95fr;
            gap: 48px;
            align-items: center;
        }

        .arch-visual-box {
            background: var(--bg-dark);
            border-radius: var(--radius-md);
            padding: 24px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-subtle);
        }

        .arch-visual-box img {
            width: 100%;
            height: 320px;
            object-fit: cover;
            border-radius: var(--radius-sm);
            margin-bottom: 20px;
        }

        .arch-telemetry-bar {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 12px;
            background: var(--bg-dark-elevated);
            padding: 16px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-dark);
        }

        .arch-stat {
            text-align: center;
        }

        .arch-stat strong {
            display: block;
            color: var(--brand-emerald);
            font-family: var(--font-mono);
            font-size: 18px;
        }

        .arch-stat span {
            font-size: 12px;
            color: var(--text-muted-dark);
        }

        .arch-modules {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .arch-module-item {
            background: var(--bg-primary);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            padding: 20px 24px;
            transition: border-color var(--transition-fast), transform var(--transition-fast);
        }

        .arch-module-item:hover {
            border-color: var(--brand-primary);
            transform: translateY(-2px);
        }

        .arch-module-head {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 8px;
        }

        .arch-module-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
        }

        .arch-module-code {
            font-family: var(--font-mono);
            font-size: 12px;
            color: var(--brand-primary);
            background: var(--brand-emerald-light);
            padding: 2px 8px;
            border-radius: 4px;
        }

        /* Section 04: 6-Card Grid Core Strengths */
        .strengths-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .strength-card {
            background: var(--bg-surface);
            border: 1px solid rgba(16, 185, 129, 0.22);
            border-radius: var(--radius-md);
            padding: 28px;
            box-shadow: var(--shadow-subtle);
            transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

        .strength-card:hover {
            transform: translateY(-3px);
            border-color: var(--brand-emerald);
            box-shadow: var(--shadow-hover);
        }

        .strength-icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            background: var(--brand-emerald-light);
            color: var(--brand-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-mono);
            font-weight: 800;
            font-size: 15px;
            margin-bottom: 18px;
        }

        .strength-title {
            font-size: 19px;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .strength-text {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.65;
        }

        /* Section 05: Product Matrix (3-Col Solutions) */
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .solution-card {
            background: var(--bg-surface);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 32px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            box-shadow: var(--shadow-subtle);
            transition: transform var(--transition-fast), border-color var(--transition-fast);
        }

        .solution-card:hover {
            transform: translateY(-3px);
            border-color: var(--brand-primary);
        }

        .solution-card.highlight {
            border: 2px solid var(--brand-primary);
            position: relative;
        }

        .tier-badge {
            display: inline-block;
            font-family: var(--font-mono);
            font-size: 12px;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 4px;
            background: var(--bg-primary);
            color: var(--text-primary);
            margin-bottom: 16px;
        }

        .solution-card.highlight .tier-badge {
            background: var(--brand-primary);
            color: #FFFFFF;
        }

        .solution-name {
            font-size: 22px;
            font-weight: 800;
            margin-bottom: 12px;
        }

        .solution-summary {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 24px;
        }

        .param-list {
            border-top: 1px solid var(--border-light);
            margin-bottom: 28px;
        }

        .param-item {
            display: flex;
            justify-content: space-between;
            padding: 12px 0;
            border-bottom: 1px solid var(--border-light);
            font-size: 13px;
        }

        .param-key {
            color: var(--text-secondary);
        }

        .param-val {
            font-family: var(--font-mono);
            font-weight: 700;
            color: var(--text-primary);
        }

        /* Section 06: Dark Mode Engine Comparison */
        .dark-comparison-section {
            background-color: var(--bg-dark);
            color: var(--text-on-dark);
            padding: 96px 0;
        }

        .dark-comparison-section .section-title {
            color: #FFFFFF;
        }

        .dark-comparison-section .section-desc {
            color: var(--text-muted-dark);
        }

        .comparison-board {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }

        .comp-column {
            background: var(--bg-dark-elevated);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-md);
            padding: 32px;
        }

        .comp-column.modern {
            border-color: var(--brand-emerald);
            background: linear-gradient(180deg, rgba(10, 92, 54, 0.2) 0%, rgba(22, 30, 42, 0.95) 100%);
        }

        .comp-col-title {
            font-size: 20px;
            font-weight: 800;
            margin-bottom: 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .check-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .check-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 14px;
            border-radius: var(--radius-sm);
            background: rgba(15, 20, 28, 0.6);
            border: 1px solid var(--border-dark);
            font-size: 14px;
        }

        .status-pill {
            font-family: var(--font-mono);
            font-size: 11px;
            font-weight: 700;
            padding: 2px 8px;
            border-radius: 4px;
            flex-shrink: 0;
            margin-top: 2px;
        }

        .status-pill.legacy {
            background: rgba(239, 68, 68, 0.15);
            color: #F87171;
            border: 1px solid rgba(239, 68, 68, 0.3);
        }

        .status-pill.active {
            background: rgba(16, 185, 129, 0.15);
            color: var(--brand-emerald);
            border: 1px solid rgba(16, 185, 129, 0.3);
        }

        /* Section 07: Performance Metrics Bar */
        .metrics-bar-section {
            padding: 56px 0;
            background: linear-gradient(90deg, #0A5C36 0%, #073F25 100%);
            color: #FFFFFF;
        }

        .metrics-bar-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .metric-block {
            padding: 20px;
            border-left: 2px solid var(--brand-emerald);
            background: rgba(255, 255, 255, 0.04);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
        }

        .metric-number {
            font-family: var(--font-mono);
            font-size: 36px;
            font-weight: 800;
            color: #FFFFFF;
            line-height: 1.1;
            margin-bottom: 8px;
        }

        .metric-caption {
            font-size: 14px;
            font-weight: 600;
            color: #A7F3D0;
            margin-bottom: 4px;
        }

        .metric-sub {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.75);
        }

        /* Section 08: Roadmap & Milestones */
        .milestone-track {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 18px;
        }

        .milestone-card {
            background: var(--bg-surface);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 24px;
            position: relative;
            transition: transform var(--transition-fast), border-color var(--transition-fast);
        }

        .milestone-card:hover {
            transform: translateY(-3px);
            border-color: var(--brand-primary);
        }

        .phase-step {
            font-family: var(--font-mono);
            font-size: 12px;
            font-weight: 800;
            color: var(--brand-primary);
            background: var(--brand-emerald-light);
            padding: 4px 10px;
            border-radius: 4px;
            display: inline-block;
            margin-bottom: 14px;
        }

        .milestone-title {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .milestone-desc {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* Section 09: Case Studies (2-Col Large Cards) */
        .cases-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }

        .case-card {
            background: var(--bg-surface);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-subtle);
            transition: transform var(--transition-fast);
        }

        .case-card:hover {
            transform: translateY(-3px);
        }

        .case-banner {
            height: 210px;
            position: relative;
        }

        .case-banner img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .case-tag {
            position: absolute;
            top: 16px;
            left: 16px;
            background: rgba(15, 20, 28, 0.85);
            color: var(--brand-emerald);
            font-family: var(--font-mono);
            font-size: 12px;
            padding: 5px 12px;
            border-radius: 4px;
        }

        .case-body {
            padding: 28px;
        }

        .case-title {
            font-size: 21px;
            font-weight: 800;
            margin-bottom: 18px;
        }

        .case-segment {
            margin-bottom: 14px;
            font-size: 14px;
            color: var(--text-secondary);
        }

        .case-segment strong {
            color: var(--text-primary);
            display: block;
            margin-bottom: 4px;
        }

        .case-result-bar {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 12px;
            padding-top: 18px;
            margin-top: 18px;
            border-top: 1px solid var(--border-light);
        }

        .case-metric strong {
            display: block;
            font-family: var(--font-mono);
            font-size: 18px;
            color: var(--brand-primary);
        }

        .case-metric span {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* Section 10: Client Testimonials & Audit Feedback */
        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .testimonial-card {
            background: var(--bg-surface);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 28px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            box-shadow: var(--shadow-subtle);
        }

        .audit-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-family: var(--font-mono);
            font-size: 12px;
            color: var(--brand-primary);
            background: var(--brand-emerald-light);
            padding: 5px 12px;
            border-radius: 4px;
            margin-bottom: 18px;
            width: fit-content;
        }

        .quote-text {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 24px;
        }

        .author-box {
            display: flex;
            align-items: center;
            gap: 12px;
            padding-top: 16px;
            border-top: 1px solid var(--border-light);
        }

        .author-avatar {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            object-fit: cover;
        }

        .author-name {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
        }

        .author-role {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* Section 11: Insights & Tech Radar */
        .insights-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .insight-card {
            background: var(--bg-surface);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            transition: transform var(--transition-fast), border-color var(--transition-fast);
        }

        .insight-card:hover {
            transform: translateY(-3px);
            border-color: var(--brand-primary);
        }

        .insight-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }

        .insight-content {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .insight-meta {
            font-family: var(--font-mono);
            font-size: 12px;
            color: var(--brand-primary);
            margin-bottom: 10px;
        }

        .insight-title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .insight-excerpt {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 20px;
        }

        .insight-link {
            font-size: 13px;
            font-weight: 700;
            color: var(--brand-primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            cursor: pointer;
        }

        /* Section 12: FAQ Accordion */
        .faq-wrapper {
            max-width: 920px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .faq-item {
            background: var(--bg-surface);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            overflow: hidden;
        }

        .faq-question {
            width: 100%;
            padding: 20px 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            text-align: left;
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            cursor: pointer;
            transition: background-color var(--transition-fast);
        }

        .faq-question:hover {
            background-color: rgba(16, 185, 129, 0.04);
        }

        .faq-toggle-icon {
            font-family: var(--font-mono);
            font-size: 18px;
            color: var(--brand-primary);
            transition: transform var(--transition-fast);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 280ms ease-out;
            padding: 0 24px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
        }

        .faq-item.open .faq-answer {
            max-height: 360px;
            padding: 0 24px 22px;
        }

        /* Section 13: Bottom Conversion CTA & Form */
        .conversion-section {
            background: linear-gradient(135deg, #0F141C 0%, #13221C 100%);
            color: var(--text-on-dark);
            padding: 96px 0;
        }

        .conversion-grid {
            display: grid;
            grid-template-columns: 1fr 1.05fr;
            gap: 48px;
            align-items: center;
        }

        .conversion-title {
            font-size: 34px;
            font-weight: 800;
            color: #FFFFFF;
            margin-bottom: 18px;
            line-height: 1.25;
        }

        .conversion-desc {
            font-size: 15px;
            color: var(--text-muted-dark);
            margin-bottom: 28px;
        }

        .sla-promise-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .sla-promise-item {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 14px;
            color: #E2E8F0;
        }

        .sla-promise-item span.code {
            font-family: var(--font-mono);
            font-size: 12px;
            color: var(--brand-emerald);
            background: rgba(16, 185, 129, 0.14);
            padding: 3px 8px;
            border-radius: 4px;
        }

        .consult-form-card {
            background: var(--bg-surface);
            color: var(--text-primary);
            border-radius: var(--radius-md);
            padding: 36px;
            box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.35);
        }

        .form-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 18px;
            margin-bottom: 18px;
        }

        .form-group {
            display: flex;
            flex-direction: column;
            gap: 6px;
            margin-bottom: 18px;
        }

        .form-label {
            font-size: 13px;
            font-weight: 700;
            color: var(--text-primary);
        }

        .form-control {
            padding: 12px 14px;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            background-color: var(--bg-primary);
            font-size: 14px;
            color: var(--text-primary);
            transition: border-color var(--transition-fast);
        }

        .form-control:focus {
            border-color: var(--brand-primary);
            background-color: #FFFFFF;
        }

        .form-feedback {
            display: none;
            margin-top: 14px;
            padding: 12px;
            border-radius: var(--radius-sm);
            background: var(--brand-emerald-light);
            color: var(--brand-primary);
            font-size: 13px;
            font-weight: 600;
        }

        /* Footer */
        .site-footer {
            background-color: #0A0E14;
            color: var(--text-muted-dark);
            padding: 64px 0 32px;
            border-top: 1px solid var(--border-dark);
            font-size: 14px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 48px;
            border-bottom: 1px solid var(--border-dark);
        }

        .footer-title {
            color: #FFFFFF;
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 18px;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a:hover {
            color: var(--brand-emerald);
        }

        .footer-bottom {
            padding-top: 28px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 12px;
        }

        /* Responsive Breakpoints */
        @media (max-width: 1024px) {
            .hero-top-grid,
            .arch-layout,
            .conversion-grid {
                grid-template-columns: 1fr;
            }
            .service-matrix-grid {
                grid-template-columns: 1fr 1fr;
            }
            .strengths-grid,
            .solutions-grid,
            .testimonials-grid,
            .insights-grid {
                grid-template-columns: 1fr 1fr;
            }
            .milestone-track {
                grid-template-columns: repeat(2, 1fr);
            }
            .metrics-bar-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .utility-meta {
                display: none;
            }
            .main-nav {
                position: fixed;
                top: 70px;
                left: 0;
                right: 0;
                background: var(--bg-surface);
                flex-direction: column;
                align-items: flex-start;
                padding: 20px 24px;
                border-bottom: 1px solid var(--border-light);
                box-shadow: var(--shadow-subtle);
                display: none;
            }
            .main-nav.open {
                display: flex;
            }
            .mobile-toggle {
                display: inline-flex;
            }
            .hero-title {
                font-size: 30px;
            }
            .service-matrix-grid,
            .strengths-grid,
            .solutions-grid,
            .comparison-board,
            .cases-grid,
            .testimonials-grid,
            .insights-grid,
            .milestone-track,
            .form-grid,
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .telemetry-grid {
                grid-template-columns: 1fr;
            }
            section {
                padding: 64px 0;
            }
        }

        @media (max-width: 480px) {
            .container {
                padding: 0 16px;
            }
            .brand-sub {
                display: none;
            }
            .hero-main-box,
            .consult-form-card {
                padding: 22px;
            }
            .metrics-bar-grid {
                grid-template-columns: 1fr;
            }
        }