:root {
            --bg-main: #0b0f19;
            --bg-card: rgba(30, 41, 59, 0.45);
            --bg-card-solid: #1e293b;
            --border-color: rgba(255, 255, 255, 0.08);
            
            --text-primary: #f8fafc;
            --text-secondary: #94a3b8;
            --text-muted: #64748b;
            
            --primary: #f97316;
            --primary-hover: #ea580c;
            --primary-glow: rgba(249, 115, 22, 0.15);
            
            --success: #10b981;
            --success-glow: rgba(16, 185, 129, 0.1);
            --warning: #f59e0b;
            --danger: #ef4444;
            
            --font-sans: 'Inter', sans-serif;
            --font-display: 'Outfit', sans-serif;
            --font-mono: 'JetBrains Mono', monospace;
            
            --transition: all 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
            --shadow-glow: 0 0 30px rgba(249, 115, 22, 0.1);
        }

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

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-main);
            color: var(--text-primary);
            overflow-x: hidden;
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }

        /* CUSTOM SCROLLBAR */
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: var(--bg-main);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--bg-card-solid);
            border-radius: 4px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--primary);
        }

        /* BACKGROUND RADIAL DECORATIONS */
        .ambient-radial-top {
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 100vw;
            height: 600px;
            background: radial-gradient(circle at 50% -200px, rgba(249, 115, 22, 0.18) 0%, transparent 65%);
            z-index: -1;
            pointer-events: none;
        }

        .ambient-radial-mid {
            position: absolute;
            top: 1800px;
            right: 0;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(16, 185, 129, 0.05) 0%, transparent 70%);
            z-index: -1;
            pointer-events: none;
        }

        /* STRUCTURE CONTAINER */
        .container {
            width: 90%;
            max-width: 1240px;
            margin: 0 auto;
        }

        /* STICKY HEADER NAV */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(11, 15, 25, 0.75);
            backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-color);
            padding: 16px 0;
            transition: var(--transition);
        }

        .nav-wrapper {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
            color: var(--text-primary);
        }

        .brand-logo img {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            border: 1px solid var(--border-color);
            box-shadow: 0 0 10px rgba(249, 115, 22, 0.3);
            object-fit: cover;
        }

        .brand-text {
            font-family: var(--font-display);
            font-size: 1.35rem;
            font-weight: 800;
            letter-spacing: -0.5px;
        }

        .brand-text span {
            color: var(--primary);
        }

        nav ul {
            display: flex;
            list-style: none;
            gap: 28px;
            align-items: center;
        }

        nav ul li a {
            text-decoration: none;
            color: var(--text-secondary);
            font-size: 0.9rem;
            font-weight: 500;
            transition: var(--transition);
        }

        nav ul li a:hover {
            color: var(--primary);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        /* BUTTONS DESIGN */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-display);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 10px 20px;
            border-radius: 8px;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
            border: none;
        }

        .btn-primary {
            background-color: var(--primary);
            color: var(--text-primary);
            box-shadow: 0 4px 14px rgba(249, 115, 22, 0.35);
        }

        .btn-primary:hover {
            background-color: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(249, 115, 22, 0.5);
        }

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

        .btn-outline:hover {
            border-color: var(--primary);
            background-color: var(--primary-bg);
            transform: translateY(-2px);
        }

        .btn-glow {
            box-shadow: 0 0 15px rgba(249, 115, 22, 0.25);
        }

        /* MOBILE MENU TOGGLE */
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            cursor: pointer;
        }

        /* HERO SECTION */
        section.hero {
            padding: 160px 0 80px 0;
            text-align: center;
            position: relative;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background-color: var(--primary-bg);
            border: 1px solid rgba(249, 115, 22, 0.25);
            color: var(--primary);
            font-size: 0.75rem;
            font-weight: 700;
            text-transform: uppercase;
            padding: 6px 14px;
            border-radius: 30px;
            margin-bottom: 24px;
            font-family: var(--font-display);
            letter-spacing: 0.5px;
            box-shadow: 0 4px 10px rgba(0,0,0,0.2);
        }

        .hero h1 {
            font-family: var(--font-display);
            font-size: 3.5rem;
            font-weight: 800;
            line-height: 1.1;
            letter-spacing: -1.5px;
            max-width: 900px;
            margin: 0 auto 20px auto;
            color: var(--text-primary);
        }

        .hero h1 span {
            color: var(--primary);
            position: relative;
        }

        .hero p.hero-subtitle {
            font-size: 1.15rem;
            color: var(--text-secondary);
            max-width: 750px;
            margin: 0 auto 40px auto;
            font-weight: 300;
        }

        .hero-buttons {
            display: flex;
            justify-content: center;
            gap: 16px;
            margin-bottom: 70px;
        }

        /* PERSPECTIVE BROWSER VIEW */
        .hero-browser-mockup {
            width: 100%;
            max-width: 1100px;
            margin: 0 auto;
            background: rgba(30, 41, 59, 0.35);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 6px;
            box-shadow: 0 30px 60px rgba(0, 0, 0, 0.6), inset 0 1px 0 rgba(255, 255, 255, 0.05);
            position: relative;
            backdrop-filter: blur(12px);
            transition: transform 0.12s cubic-bezier(0.25, 0.8, 0.25, 1), border-color 0.35s ease, box-shadow 0.35s ease;
            transform-style: preserve-3d;
            perspective: 1200px;
        }

        .hero-browser-mockup:hover {
            border-color: rgba(249, 115, 22, 0.35);
            box-shadow: 0 30px 65px rgba(249, 115, 22, 0.1), 0 30px 60px rgba(0, 0, 0, 0.6);
        }

        .browser-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 8px 16px 12px 12px;
            border-bottom: 1px solid var(--border-color);
        }

        .browser-dots {
            display: flex;
            gap: 6px;
        }

        .browser-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
        }

        .browser-dot.red { background-color: #ff5f56; }
        .browser-dot.yellow { background-color: #ffbd2e; }
        .browser-dot.green { background-color: #27c93f; }

        .browser-address {
            background-color: rgba(15, 23, 42, 0.6);
            border: 1px solid var(--border-color);
            border-radius: 6px;
            padding: 4px 20px;
            font-size: 0.75rem;
            color: var(--text-muted);
            width: 55%;
            max-width: 400px;
            font-family: var(--font-mono);
            text-align: center;
            text-overflow: ellipsis;
            overflow: hidden;
            white-space: nowrap;
        }

        .browser-viewport {
            border-radius: 10px;
            overflow: hidden;
            position: relative;
            background-color: #0f172a;
            aspect-ratio: 16/9;
        }

        .browser-viewport img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 8px;
            display: block;
        }

        /* BRAGGING BADGES */
        .floating-badge {
            position: absolute;
            background: rgba(30, 41, 59, 0.75);
            border: 1px solid var(--border-color);
            backdrop-filter: blur(10px);
            padding: 10px 16px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            gap: 10px;
            box-shadow: 0 10px 25px rgba(0,0,0,0.3);
            font-size: 0.8rem;
            font-weight: 600;
        }

        .badge-1 {
            top: 25%;
            left: -40px;
            border-left: 3px solid var(--primary);
            transform: translateZ(40px);
        }

        .badge-2 {
            bottom: 20%;
            right: -40px;
            border-left: 3px solid var(--success);
            transform: translateZ(55px);
        }

        /* SECTION BASE LAYOUT */
        section {
            padding: 100px 0;
            border-bottom: 1px solid var(--border-color);
        }

        .section-header {
            text-align: center;
            margin-bottom: 60px;
        }

        .section-tag {
            color: var(--primary);
            font-family: var(--font-display);
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            margin-bottom: 12px;
            display: block;
        }

        .section-title {
            font-family: var(--font-display);
            font-size: 2.5rem;
            font-weight: 800;
            letter-spacing: -0.8px;
            color: var(--text-primary);
            margin-bottom: 16px;
        }

        .section-subtitle {
            color: var(--text-secondary);
            font-size: 1.05rem;
            max-width: 600px;
            margin: 0 auto;
            font-weight: 300;
        }

        /* FEATURE GRID */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 24px;
        }

        .feature-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            backdrop-filter: blur(12px);
            border-radius: 16px;
            padding: 32px;
            transition: var(--transition);
            box-shadow: inset 0 1px 0 rgba(255,255,255,0.03);
            display: flex;
            flex-direction: column;
            gap: 18px;
        }

        .feature-card:hover {
            transform: translateY(-5px);
            border-color: rgba(249, 115, 22, 0.2);
            background: rgba(30, 41, 59, 0.55);
            box-shadow: 0 20px 40px rgba(0,0,0,0.3), inset 0 1px 0 rgba(255,255,255,0.05);
        }

        .span-3 { grid-column: span 3; }
        .span-2 { grid-column: span 2; }

        .feature-icon-wrapper {
            width: 48px;
            height: 48px;
            border-radius: 10px;
            background-color: var(--primary-bg);
            border: 1px solid rgba(249, 115, 22, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
        }

        .feature-icon-wrapper svg {
            width: 24px;
            height: 24px;
        }

        .feature-card h3 {
            font-family: var(--font-display);
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-primary);
        }

        .feature-card p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.6;
        }

        .feature-card-footer {
            margin-top: auto;
            padding-top: 16px;
            border-top: 1px dashed var(--border-color);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .feature-meta-label {
            font-size: 0.7rem;
            color: var(--text-muted);
            font-family: var(--font-mono);
            text-transform: uppercase;
        }

        .feature-meta-val {
            font-size: 0.75rem;
            color: var(--primary);
            font-weight: 600;
            font-family: var(--font-mono);
        }

        /* ARCHITECTURE & SYNC SECTION */
        .arch-grid {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 48px;
            align-items: center;
        }

        .arch-controls {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .arch-tab-btn {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 20px 24px;
            text-align: left;
            cursor: pointer;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 20px;
        }

        .arch-tab-btn:hover {
            border-color: rgba(249, 115, 22, 0.2);
            background: rgba(30, 41, 59, 0.55);
        }

        .arch-tab-btn.active {
            background-color: var(--bg-card-solid);
            border-color: var(--primary);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
        }

        .arch-tab-num {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background-color: rgba(255,255,255,0.05);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--text-secondary);
            font-family: var(--font-mono);
            transition: var(--transition);
        }

        .arch-tab-btn.active .arch-tab-num {
            background-color: var(--primary);
            color: var(--text-primary);
        }

        .arch-tab-text h4 {
            font-family: var(--font-display);
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
        }

        .arch-tab-text p {
            font-size: 0.85rem;
            color: var(--text-secondary);
        }

        .arch-display-frame {
            background: rgba(30, 41, 59, 0.3);
            border: 1px solid var(--border-color);
            border-radius: 20px;
            padding: 16px;
            box-shadow: 0 20px 50px rgba(0,0,0,0.5);
            aspect-ratio: 4/3;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
            position: relative;
        }

        .arch-display-slide {
            width: 100%;
            height: 100%;
            display: none;
            flex-direction: column;
            justify-content: space-between;
        }

        .arch-display-slide.active {
            display: flex;
            animation: fadeIn 0.4s ease forwards;
        }

        @keyframes fadeIn {
            from { opacity: 0; transform: scale(0.98); }
            to { opacity: 1; transform: scale(1); }
        }

        .arch-display-slide img {
            width: 100%;
            height: 82%;
            object-fit: contain;
            border-radius: 8px;
            border: 1px solid var(--border-color);
            background: #090d16;
            padding: 8px;
        }

        .arch-slide-caption {
            font-size: 0.8rem;
            color: var(--text-muted);
            text-align: center;
            margin-top: 10px;
            font-family: var(--font-mono);
        }

        /* PO SIMULATOR SECTION */
        .simulator-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 40px;
            align-items: stretch;
        }

        .simulator-inputs-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            backdrop-filter: blur(12px);
            border-radius: 20px;
            padding: 40px;
            box-shadow: inset 0 1px 0 rgba(255,255,255,0.03);
            display: flex;
            flex-direction: column;
            gap: 32px;
        }

        .sim-input-group {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .sim-input-label-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .sim-label {
            font-family: var(--font-display);
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-primary);
        }

        .sim-label-badge {
            background-color: var(--primary-bg);
            border: 1px solid rgba(249, 115, 22, 0.2);
            color: var(--primary);
            font-size: 0.75rem;
            font-family: var(--font-mono);
            padding: 2px 8px;
            border-radius: 4px;
            font-weight: 700;
        }

        .sim-slider-row {
            display: flex;
            align-items: center;
            gap: 20px;
        }

        .sim-slider-row input[type="range"] {
            flex-width: 100%;
            flex: 1;
            accent-color: var(--primary);
            height: 6px;
            border-radius: 3px;
            outline: none;
            background: #090d16;
            border: 1px solid var(--border-color);
        }

        .sim-slider-val {
            font-family: var(--font-mono);
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            min-width: 48px;
            text-align: right;
        }

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

        .sim-toggle-btn {
            background: #090d16;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 12px;
            text-align: center;
            cursor: pointer;
            transition: var(--transition);
            font-size: 0.85rem;
            color: var(--text-secondary);
            font-family: var(--font-display);
            font-weight: 500;
        }

        .sim-toggle-btn:hover {
            border-color: rgba(249, 115, 22, 0.3);
            color: var(--text-primary);
        }

        .sim-toggle-btn.active {
            background-color: var(--primary-bg);
            border-color: var(--primary);
            color: var(--primary);
            box-shadow: 0 0 10px rgba(249, 115, 22, 0.15);
        }

        /* PROPOSAL INVOICE CARD */
        .proposal-invoice-card {
            background: linear-gradient(135deg, rgba(30, 41, 59, 0.5) 0%, rgba(15, 23, 42, 0.7) 100%);
            border: 1px solid rgba(249, 115, 22, 0.15);
            box-shadow: 0 15px 40px rgba(0,0,0,0.5), 0 0 30px rgba(249, 115, 22, 0.05);
            border-radius: 20px;
            padding: 40px;
            backdrop-filter: blur(12px);
            display: flex;
            flex-direction: column;
            position: relative;
            overflow: hidden;
            animation: proposal-pulse-glow 6s infinite alternate ease-in-out;
        }

        @keyframes proposal-pulse-glow {
            from { 
                box-shadow: 0 15px 40px rgba(0,0,0,0.5), 0 0 30px rgba(249, 115, 22, 0.05); 
                border-color: rgba(249, 115, 22, 0.15); 
            }
            to { 
                box-shadow: 0 15px 45px rgba(0,0,0,0.55), 0 0 45px rgba(249, 115, 22, 0.12); 
                border-color: rgba(249, 115, 22, 0.35); 
            }
        }

        .proposal-invoice-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--primary) 0%, #a855f7 100%);
        }

        .invoice-header {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            border-bottom: 1px dashed var(--border-color);
            padding-bottom: 24px;
            margin-bottom: 24px;
        }

        .invoice-logo {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .invoice-logo img {
            width: 28px;
            height: 28px;
            border-radius: 50%;
        }

        .invoice-logo span {
            font-family: var(--font-display);
            font-weight: 800;
            font-size: 1.1rem;
        }

        .invoice-meta {
            text-align: right;
            font-family: var(--font-mono);
            font-size: 0.7rem;
            color: var(--text-muted);
            line-height: 1.4;
        }

        .invoice-bill-info {
            display: flex;
            justify-content: space-between;
            margin-bottom: 28px;
            font-size: 0.8rem;
        }

        .invoice-bill-to {
            color: var(--text-secondary);
        }

        .invoice-bill-to strong {
            color: var(--text-primary);
        }

        .invoice-terms {
            text-align: right;
            color: var(--text-muted);
        }

        .invoice-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.85rem;
            margin-bottom: 28px;
        }

        .invoice-table th {
            text-align: left;
            color: var(--text-muted);
            font-weight: 500;
            padding-bottom: 12px;
            border-bottom: 1px solid var(--border-color);
        }

        .invoice-table td {
            padding: 12px 0;
            border-bottom: 1px solid var(--border-color);
            color: var(--text-secondary);
        }

        .invoice-table td.text-right, .invoice-table th.text-right {
            text-align: right;
        }

        .invoice-table td strong {
            color: var(--text-primary);
        }

        .invoice-summary {
            display: flex;
            flex-direction: column;
            gap: 12px;
            border-bottom: 1px dashed var(--border-color);
            padding-bottom: 20px;
            margin-bottom: 20px;
        }

        .invoice-sum-row {
            display: flex;
            justify-content: space-between;
            font-size: 0.85rem;
            color: var(--text-secondary);
        }

        .invoice-sum-row.discounted {
            color: var(--success);
        }

        .invoice-sum-row.total {
            font-family: var(--font-display);
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-top: 8px;
        }

        .invoice-sum-row.total span {
            color: var(--primary);
        }

        .invoice-roi-badge {
            background-color: var(--success-glow);
            border: 1px solid rgba(16, 185, 129, 0.25);
            border-radius: 10px;
            padding: 14px 18px;
            font-size: 0.85rem;
            color: var(--success);
            display: flex;
            align-items: center;
            gap: 14px;
            margin-bottom: 24px;
            box-shadow: 0 4px 12px rgba(16, 185, 129, 0.04);
            animation: roi-pulse-glow 4s infinite ease-in-out;
            transition: var(--transition);
        }

        @keyframes roi-pulse-glow {
            0%, 100% {
                box-shadow: 0 4px 12px rgba(16, 185, 129, 0.04);
                border-color: rgba(16, 185, 129, 0.25);
                background-color: var(--success-glow);
            }
            50% {
                box-shadow: 0 6px 20px rgba(16, 185, 129, 0.16);
                border-color: rgba(16, 185, 129, 0.5);
                background-color: rgba(16, 185, 129, 0.16);
            }
        }

        .invoice-roi-badge svg {
            flex-shrink: 0;
            width: 22px;
            height: 22px;
            animation: bounce-gentle 2.5s infinite ease-in-out;
        }

        @keyframes bounce-gentle {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-4px); }
        }

        /* DYNAMIC ROI HIGHLIGHT FLASH */
        .roi-highlight-flash {
            animation: text-highlight-flash 0.6s cubic-bezier(0.25, 0.8, 0.25, 1) forwards;
            display: inline-block;
        }

        @keyframes text-highlight-flash {
            0% {
                transform: scale(1.15);
                color: #ffffff;
                text-shadow: 0 0 15px var(--success), 0 0 30px var(--success);
            }
            100% {
                transform: scale(1);
                color: var(--success);
                text-shadow: none;
            }
        }


        .invoice-actions {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
        }

        /* CUSTOM NOTIFICATION */
        .toast-notification {
            position: fixed;
            bottom: 24px;
            right: 24px;
            background-color: var(--bg-card-solid);
            border: 1px solid var(--primary);
            border-radius: 8px;
            padding: 16px 24px;
            color: var(--text-primary);
            box-shadow: 0 10px 30px rgba(0,0,0,0.5);
            z-index: 10000;
            display: none;
            align-items: center;
            gap: 12px;
            font-family: var(--font-display);
            font-weight: 600;
            font-size: 0.9rem;
            animation: slideUp 0.3s cubic-bezier(0.25, 0.8, 0.25, 1) forwards;
        }

        @keyframes slideUp {
            from { transform: translateY(20px); opacity: 0; }
            to { transform: translateY(0); opacity: 1; }
        }

        /* ONBOARDING REQUEST FORM */
        .onboarding-grid {
            display: grid;
            grid-template-columns: 0.9fr 1.1fr;
            gap: 60px;
            align-items: center;
        }

        .onboarding-text h3 {
            font-family: var(--font-display);
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 16px;
        }

        .onboarding-text p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            margin-bottom: 28px;
        }

        .onboarding-contact-card {
            background-color: rgba(0,0,0,0.2);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 24px;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .contact-info-item {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .contact-icon {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background-color: var(--primary-bg);
            border: 1px solid rgba(249, 115, 22, 0.1);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .contact-icon svg {
            width: 18px;
            height: 18px;
        }

        .contact-label {
            font-size: 0.75rem;
            color: var(--text-muted);
            text-transform: uppercase;
            font-family: var(--font-mono);
            line-height: 1.2;
        }

        .contact-value {
            font-size: 0.9rem;
            color: var(--text-primary);
            font-weight: 600;
        }

        .onboarding-form {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 20px;
            padding: 40px;
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
            box-shadow: 0 15px 30px rgba(0,0,0,0.3);
        }

        .form-full {
            grid-column: span 2;
        }

        .form-group {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .form-group label {
            font-family: var(--font-display);
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-primary);
        }

        .form-group input, .form-group select, .form-group textarea {
            background-color: #090d16;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 12px 16px;
            color: var(--text-primary);
            font-family: var(--font-sans);
            font-size: 0.9rem;
            outline: none;
            transition: var(--transition);
        }

        .form-group input:focus, .form-group select:focus, .form-group textarea:focus {
            border-color: var(--primary);
            box-shadow: 0 0 10px rgba(249, 115, 22, 0.15);
        }

        .form-group select {
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 16px center;
            background-size: 16px;
            padding-right: 40px;
        }

        .onboarding-form button {
            grid-column: span 2;
            padding: 14px 20px;
            font-size: 1rem;
            margin-top: 10px;
        }

        /* B2B FOOTER */
        footer {
            background-color: #060910;
            padding: 80px 0 40px 0;
            font-size: 0.85rem;
            color: var(--text-secondary);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr repeat(3, 1fr);
            gap: 40px;
            margin-bottom: 60px;
        }

        .footer-brand {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .footer-brand p {
            color: var(--text-muted);
            line-height: 1.6;
            max-width: 280px;
        }

        .footer-col h5 {
            font-family: var(--font-display);
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 24px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .footer-col ul li a {
            text-decoration: none;
            color: var(--text-muted);
            transition: var(--transition);
        }

        .footer-col ul li a:hover {
            color: var(--primary);
        }

        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: 40px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--text-muted);
        }

        .footer-links-row {
            display: flex;
            gap: 24px;
        }

        .footer-links-row a {
            text-decoration: none;
            color: var(--text-muted);
            transition: var(--transition);
        }

        .footer-links-row a:hover {
            color: var(--primary);
        }


        /* COLLABORATION & TEAMWORK SECTION */
        .collab-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: stretch;
        }

        .collab-left {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .collab-timeline-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 20px;
            padding: 36px;
            position: relative;
            box-shadow: inset 0 1px 0 rgba(255,255,255,0.03);
            backdrop-filter: blur(12px);
        }

        .collab-timeline {
            position: relative;
            padding-left: 32px;
        }

        .collab-timeline::before {
            content: "";
            position: absolute;
            left: 11px;
            top: 10px;
            width: 2px;
            height: calc(100% - 20px);
            background: linear-gradient(180deg, var(--primary) 0%, var(--success) 50%, #3b82f6 100%);
        }

        .collab-step {
            position: relative;
            margin-bottom: 28px;
        }

        .collab-step:last-child {
            margin-bottom: 0;
        }

        .collab-step-bullet {
            position: absolute;
            left: -44px;
            top: 2px;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background-color: #0b0f19;
            border: 2px solid var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.7rem;
            font-family: var(--font-mono);
            font-weight: 700;
            color: var(--primary);
            box-shadow: 0 0 10px rgba(249, 115, 22, 0.2);
            transition: var(--transition);
        }

        .collab-step.step-2 .collab-step-bullet {
            border-color: var(--success);
            color: var(--success);
            box-shadow: 0 0 10px rgba(16, 185, 129, 0.2);
        }

        .collab-step.step-3 .collab-step-bullet {
            border-color: #3b82f6;
            color: #3b82f6;
            box-shadow: 0 0 10px rgba(59, 130, 246, 0.2);
        }

        .collab-step h4 {
            font-family: var(--font-display);
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
        }

        .collab-step p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        .collab-roles-card {
            background: linear-gradient(135deg, rgba(30, 41, 59, 0.35) 0%, rgba(15, 23, 42, 0.55) 100%);
            border: 1px solid var(--border-color);
            border-radius: 20px;
            padding: 40px;
            display: flex;
            flex-direction: column;
            gap: 24px;
            backdrop-filter: blur(12px);
        }

        .collab-roles-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .role-tag-btn {
            background-color: rgba(255,255,255,0.03);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 8px 14px;
            font-size: 0.8rem;
            font-weight: 500;
            color: var(--text-secondary);
            cursor: pointer;
            transition: var(--transition);
            font-family: var(--font-display);
        }

        .role-tag-btn:hover {
            border-color: rgba(249, 115, 22, 0.3);
            color: var(--text-primary);
            background-color: rgba(249, 115, 22, 0.05);
        }

        .role-tag-btn.active {
            background-color: var(--primary-bg);
            border-color: var(--primary);
            color: var(--primary);
            box-shadow: 0 0 10px rgba(249, 115, 22, 0.15);
        }

        .collab-role-detail-box {
            background-color: rgba(0,0,0,0.25);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 24px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            min-height: 180px;
            position: relative;
        }

        .collab-role-detail-header {
            display: flex;
            align-items: center;
            gap: 12px;
            border-bottom: 1px solid var(--border-color);
            padding-bottom: 12px;
        }

        .collab-role-detail-icon {
            width: 32px;
            height: 32px;
            border-radius: 6px;
            background-color: var(--primary-bg);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .collab-role-detail-icon svg {
            width: 18px;
            height: 18px;
        }

        .collab-role-detail-title {
            font-family: var(--font-display);
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--text-primary);
        }

        .collab-role-desc-text {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        .collab-role-silo-buster {
            background-color: var(--success-glow);
            border-left: 3px solid var(--success);
            padding: 8px 12px;
            border-radius: 0 6px 6px 0;
            font-size: 0.8rem;
            color: var(--success);
            margin-top: 8px;
        }

        .collab-role-silo-buster strong {
            display: block;
            margin-bottom: 2px;
            font-family: var(--font-display);
        }

        /* Presentation Mobile Responsiveness Toggle */
        .presentation-desktop-wrapper {
            display: block;
        }
        .presentation-mobile-fallback {
            display: none !important;
        }

        /* RESPONSIVE DESIGN - MEDIA QUERIES */
        @media (max-width: 1024px) {
            .collab-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }

            .feature-grid {
                grid-template-columns: repeat(4, 1fr);
            }
            .span-3, .span-2 {
                grid-column: span 2;
            }
            .arch-grid, .simulator-grid, .onboarding-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .floating-badge {
                display: none;
            }
            .onboarding-text {
                text-align: center;
            }
            .onboarding-contact-card {
                max-width: 500px;
                margin: 0 auto;
            }
        }

        @media (max-width: 768px) {
            .mobile-menu-btn {
                display: block;
            }
            nav {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background-color: var(--bg-main);
                border-bottom: 1px solid var(--border-color);
                padding: 24px;
                box-shadow: 0 10px 20px rgba(0,0,0,0.5);
            }
            nav.open {
                display: block;
            }
            nav ul {
                flex-direction: column;
                gap: 16px;
                align-items: stretch;
            }
            .header-actions {
                display: none;
            }
            .browser-address {
                width: 75%;
                font-size: 0.65rem;
                padding: 4px 10px;
            }
            .hero h1 {
                font-size: 2.5rem;
            }
            .hero p.hero-subtitle {
                font-size: 1rem;
            }
            .hero-buttons {
                flex-direction: column;
                max-width: 300px;
                margin: 0 auto 50px auto;
            }
            .feature-grid {
                grid-template-columns: 1fr;
            }
            .span-3, .span-2 {
                grid-column: span 1;
            }
            .onboarding-form {
                grid-template-columns: 1fr;
            }
            .form-full, .onboarding-form button {
                grid-column: span 1;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 20px;
                text-align: center;
            }
            .presentation-desktop-wrapper {
                display: none !important;
            }
            .presentation-mobile-fallback {
                display: flex !important;
            }
        }