/* === RESET & BASE === */
        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        :root {
            --color-bg-dark: #2A2823;
            --color-bg-black: #000000;
            --color-bg-white: #FFFFFF;
            --color-text-dark: #2A2823;
            --color-text-light: #FFFFFF;
            --color-text-gray: #D7D1C2;
            --color-text-muted: #C4C4C4;
            --color-accent-orange: #FF5005;
            --color-accent-orange-dark: #F75000;
            --color-accent-purple: #8b5cf6;
            --color-accent-green: #74e291;
            --color-divider: #C4C4C4;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            background-color: var(--color-bg-dark);
            color: var(--color-text-light);
            line-height: 1.65;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
        }

        /* === SPLIT LAYOUT SYSTEM === */
        .split-section {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 80px;
            min-height: 100vh;
            align-items: center;
        }

        .content-left {
            padding: 80px 60px 80px 140px;
        }

        .visual-right {
            padding: 80px 80px 80px 60px;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
        }

        .image-placeholder {
            width: 100%;
            height: 600px;
            background: rgba(139, 92, 246, 0.1);
            border: 2px dashed rgba(139, 92, 246, 0.3);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--color-text-muted);
            text-align: center;
            padding: 40px;
            transition: all 0.3s ease-out;
        }

        .image-placeholder:hover {
            background: rgba(139, 92, 246, 0.15);
            border-color: rgba(139, 92, 246, 0.5);
        }

        /* === HERO SECTION === */
        .hero {
            background: linear-gradient(180deg, #000000 0%, #1a1a1d 100%);
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(circle at 30% 50%, rgba(139, 92, 246, 0.15) 0%, transparent 70%);
            pointer-events: none;
        }

        .hero h1 {
            font-size: 96px;
            font-weight: 600;
            line-height: 1;
            letter-spacing: -0.04em;
            margin-bottom: 40px;
            opacity: 0;
            animation: fadeInUp 0.8s ease-out 0.3s forwards;
        }

        .hero-subtitle {
            font-size: 32px;
            font-weight: 300;
            letter-spacing: -0.02em;
            color: var(--color-text-gray);
            margin-bottom: 40px;
            opacity: 0;
            animation: fadeInUp 0.8s ease-out 0.5s forwards;
        }

        .hero-description {
            font-size: 20px;
            line-height: 1.7;
            color: var(--color-text-gray);
            margin-bottom: 60px;
            opacity: 0;
            animation: fadeInUp 0.8s ease-out 0.7s forwards;
        }

        .hero-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 40px;
            opacity: 0;
            animation: fadeInUp 0.8s ease-out 0.9s forwards;
        }

        .stat-item {
            border-left: 3px solid var(--color-accent-purple);
            padding-left: 20px;
        }

        .stat-number {
            font-size: 48px;
            font-weight: 700;
            line-height: 1;
            background: linear-gradient(135deg, var(--color-accent-purple) 0%, var(--color-accent-orange) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 12px;
        }

        .stat-label {
            font-size: 14px;
            color: var(--color-text-muted);
            text-transform: uppercase;
            letter-spacing: 0.1em;
        }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* === LEFT-ALIGNED SECTIONS === */
        .left-section {
            padding: 150px 80px 150px 140px;
            text-align: left;
        }

        .section-label {
            font-size: 13px;
            text-transform: uppercase;
            letter-spacing: 0.15em;
            color: var(--color-text-muted);
            margin-bottom: 30px;
            font-weight: 600;
        }

        .section-title {
            font-size: 72px;
            font-weight: 600;
            letter-spacing: -0.03em;
            line-height: 1.1;
            margin-bottom: 40px;
        }

        .section-description {
            font-size: 24px;
            line-height: 1.6;
            color: var(--color-text-gray);
            margin-bottom: 60px;
            max-width: 800px;
        }

        /* Override for white background sections */
        .architecture-section .section-description,
        .what-we-built .section-description {
            color: rgba(42, 40, 35, 0.85);
        }

        /* Scroll reveal animation */
        .scroll-reveal {
            opacity: 0;
            transform: translateY(40px);
            transition: opacity 0.6s ease-out, transform 0.6s ease-out;
        }

        .scroll-reveal.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* === WHAT WE BUILT === */
        .what-we-built {
            background: var(--color-bg-white);
            color: var(--color-text-dark);
        }

        .capability-content {
            display: flex;
            flex-direction: column;
        }

        .capability-preview {
            width: 100%;
            height: 600px;
            border-radius: 16px;
            overflow: hidden;
            position: relative;
            background: linear-gradient(135deg, rgba(139, 92, 246, 0.05) 0%, rgba(255, 80, 5, 0.05) 100%);
            border: 1px solid rgba(139, 92, 246, 0.15);
        }

        .capability-image,
        .capability-video {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: contain;
            opacity: 0;
            transition: opacity 0.5s ease-in-out;
        }

        /* Scale up videos slightly to minimize black borders */
        .capability-video {
            transform: scale(1);
        }

        /* Additional scale for Custom Themes video to hide black border */
        .capability-video.active[src*="custom-theme"] {
            transform: scale(1.01);
        }

        .capability-image.active,
        .capability-video.active {
            opacity: 1;
        }

        .capability-placeholder {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            color: rgba(139, 92, 246, 0.4);
            font-size: 18px;
            font-weight: 500;
            text-align: center;
            padding: 40px;
            opacity: 0;
            transition: opacity 0.5s ease-in-out;
        }

        .capability-placeholder.active {
            opacity: 1;
        }

        .capability-placeholder-icon {
            font-size: 64px;
            margin-bottom: 20px;
            opacity: 0.3;
        }

        /* Workflow State Machine Animation */
        .workflow-diagram {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: 0;
            transition: opacity 0.5s ease-in-out;
            padding: 60px;
        }

        .workflow-diagram.active {
            opacity: 1;
        }

        .workflow-container {
            display: flex;
            flex-direction: column;
            gap: 30px;
            max-width: 500px;
        }

        .workflow-state {
            display: flex;
            align-items: center;
            gap: 20px;
            opacity: 0;
            animation: fadeInState 0.6s ease-out forwards;
        }

        .workflow-state:nth-child(1) { animation-delay: 0.2s; }
        .workflow-state:nth-child(2) { animation-delay: 0.8s; }
        .workflow-state:nth-child(3) { animation-delay: 1.4s; }
        .workflow-state:nth-child(4) { animation-delay: 2.0s; }
        .workflow-state:nth-child(5) { animation-delay: 2.6s; }

        .workflow-arrow {
            width: 2px;
            height: 30px;
            background: linear-gradient(180deg, var(--color-accent-purple) 0%, var(--color-accent-orange) 100%);
            margin: -10px auto;
            opacity: 0;
            animation: fadeInArrow 0.4s ease-out forwards;
        }

        .workflow-arrow:nth-child(2) { animation-delay: 0.6s; }
        .workflow-arrow:nth-child(4) { animation-delay: 1.2s; }
        .workflow-arrow:nth-child(6) { animation-delay: 1.8s; }
        .workflow-arrow:nth-child(8) { animation-delay: 2.4s; }

        @keyframes fadeInState {
            from {
                opacity: 0;
                transform: translateX(-30px);
            }
            to {
                opacity: 1;
                transform: translateX(0);
            }
        }

        @keyframes fadeInArrow {
            from {
                opacity: 0;
                transform: scaleY(0);
            }
            to {
                opacity: 1;
                transform: scaleY(1);
            }
        }

        .state-badge {
            padding: 14px 24px;
            background: linear-gradient(135deg, rgba(139, 92, 246, 0.15) 0%, rgba(255, 80, 5, 0.15) 100%);
            border: 2px solid rgba(139, 92, 246, 0.4);
            border-radius: 8px;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text-dark);
            white-space: nowrap;
            min-width: 180px;
            text-align: center;
            box-shadow: 0 4px 12px rgba(139, 92, 246, 0.2);
        }

        .state-icon {
            font-size: 24px;
        }

        .state-description {
            font-size: 13px;
            color: rgba(42, 40, 35, 0.7);
            flex: 1;
            line-height: 1.4;
        }

        .pills-container {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 14px;
            max-width: 100%;
        }

        .pill {
            padding: 20px 24px;
            background: linear-gradient(135deg, rgba(139, 92, 246, 0.08) 0%, rgba(139, 92, 246, 0.12) 100%);
            border: 1px solid rgba(139, 92, 246, 0.2);
            border-radius: 12px;
            font-size: 15px;
            font-weight: 500;
            text-align: center;
            transition: all 0.3s cubic-bezier(0.4, 0.0, 0.2, 1);
            cursor: pointer;
            position: relative;
            overflow: hidden;
        }

        .pill::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(139, 92, 246, 0.15) 0%, rgba(255, 80, 5, 0.15) 100%);
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .pill:hover {
            transform: scale(1.05);
            box-shadow: 0 8px 24px rgba(139, 92, 246, 0.25);
            border-color: rgba(139, 92, 246, 0.4);
        }

        .pill:hover::before {
            opacity: 1;
        }

        .pill.active {
            transform: scale(1.05);
            background: linear-gradient(135deg, rgba(139, 92, 246, 0.2) 0%, rgba(255, 80, 5, 0.2) 100%);
            border-color: rgba(139, 92, 246, 0.5);
            box-shadow: 0 8px 24px rgba(139, 92, 246, 0.3);
            font-weight: 600;
        }

        .pill span {
            position: relative;
            z-index: 1;
        }

        /* === CLAUDE AI ANALYSIS === */
        .claude-prompt-box {
            background: linear-gradient(135deg, rgba(139, 92, 246, 0.08) 0%, rgba(139, 92, 246, 0.12) 100%);
            border: 1px solid rgba(139, 92, 246, 0.2);
            border-radius: 12px;
            padding: 32px;
            margin: 40px 0;
            max-width: 900px;
        }

        .claude-prompt-label {
            font-size: 12px;
            text-transform: uppercase;
            letter-spacing: 0.1em;
            color: rgba(139, 92, 246, 0.8);
            font-weight: 600;
            margin-bottom: 12px;
        }

        .claude-prompt-text {
            font-size: 18px;
            line-height: 1.6;
            color: rgba(42, 40, 35, 0.9);
            font-style: italic;
        }

        .claude-thinking {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 20px 32px;
            background: rgba(139, 92, 246, 0.05);
            border-radius: 8px;
            margin: 30px 0;
            max-width: 900px;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .claude-thinking.active {
            opacity: 1;
        }

        .claude-thinking-label {
            font-size: 14px;
            color: rgba(139, 92, 246, 0.9);
            font-weight: 500;
        }

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

        .claude-thinking-dot {
            width: 8px;
            height: 8px;
            background: rgba(139, 92, 246, 0.6);
            border-radius: 50%;
            animation: thinkingPulse 1.4s ease-in-out infinite;
        }

        .claude-thinking-dot:nth-child(2) {
            animation-delay: 0.2s;
        }

        .claude-thinking-dot:nth-child(3) {
            animation-delay: 0.4s;
        }

        @keyframes thinkingPulse {
            0%, 100% {
                opacity: 0.3;
                transform: scale(1);
            }
            50% {
                opacity: 1;
                transform: scale(1.2);
            }
        }

        .claude-response {
            background: var(--color-bg-white);
            border: 1px solid rgba(139, 92, 246, 0.15);
            border-radius: 12px;
            padding: 40px;
            margin: 30px 0;
            max-width: 900px;
            opacity: 0;
            transition: opacity 0.5s ease;
        }

        .claude-response.active {
            opacity: 1;
        }

        .claude-response h3 {
            font-size: 24px;
            font-weight: 600;
            margin-bottom: 24px;
            color: var(--color-text-dark);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .claude-response h4 {
            font-size: 20px;
            font-weight: 600;
            margin-top: 32px;
            margin-bottom: 16px;
            color: var(--color-text-dark);
        }

        .claude-response p {
            font-size: 16px;
            line-height: 1.7;
            color: rgba(42, 40, 35, 0.85);
            margin-bottom: 12px;
        }

        .claude-response ul {
            list-style: none;
            padding: 0;
            margin: 16px 0;
        }

        .claude-response li {
            font-size: 16px;
            line-height: 1.7;
            color: rgba(42, 40, 35, 0.85);
            margin-bottom: 12px;
            padding-left: 24px;
            position: relative;
        }

        .claude-response li::before {
            content: '→';
            position: absolute;
            left: 0;
            color: var(--color-accent-purple);
            font-weight: 600;
        }

        .claude-response strong {
            color: var(--color-text-dark);
            font-weight: 600;
        }

        .typewriter-text {
            display: inline;
        }

        .typewriter-cursor {
            display: inline-block;
            width: 2px;
            height: 1em;
            background: var(--color-accent-purple);
            margin-left: 2px;
            animation: cursorBlink 1s infinite;
            vertical-align: text-bottom;
        }

        @keyframes cursorBlink {
            0%, 49% {
                opacity: 1;
            }
            50%, 100% {
                opacity: 0;
            }
        }

        /* === CHAT INTERFACE === */
        .chat-intro {
            font-size: 16px;
            text-transform: uppercase;
            letter-spacing: 0.1em;
            color: var(--color-accent-purple);
            font-weight: 600;
            margin: 40px 0 30px 0;
            text-align: center;
        }

        .chat-container {
            max-width: 900px;
            margin: 40px auto;
            display: flex;
            flex-direction: column;
            gap: 5px;
        }

        .chat-message {
            opacity: 0;
            transform: translateY(10px);
            transition: opacity 0.5s ease, transform 0.5s ease;
            visibility: hidden;
        }

        .chat-message.visible {
            opacity: 1;
            transform: translateY(0);
            visibility: visible;
        }

        .user-message {
            align-self: flex-end;
            max-width: 80%;
            margin-top: 40px;
        }

        .user-message:first-child {
            margin-top: 0;
        }

        .user-message .message-content {
            background: linear-gradient(135deg, rgba(139, 92, 246, 0.1) 0%, rgba(139, 92, 246, 0.15) 100%);
            border: 1px solid rgba(139, 92, 246, 0.25);
            border-radius: 18px;
            border-bottom-right-radius: 4px;
            padding: 16px 24px;
            font-size: 17px;
            line-height: 1.5;
            color: rgba(42, 40, 35, 0.9);
            position: relative;
        }

        /* Reserve space with invisible text so card doesn't grow during typing */
        .user-message .message-content::before {
            content: attr(data-full-text);
            visibility: hidden;
            display: block;
            height: 0;
            overflow: hidden;
        }

        .claude-message {
            align-self: flex-start;
            max-width: 85%;
        }

        .claude-message .message-content {
            background: var(--color-bg-white);
            border: 1px solid rgba(139, 92, 246, 0.2);
            border-radius: 18px;
            border-bottom-left-radius: 4px;
            padding: 24px 32px;
            font-size: 16px;
            line-height: 1.7;
            color: rgba(42, 40, 35, 0.85);
            box-shadow: 0 2px 8px rgba(139, 92, 246, 0.1);
        }

        .claude-message .message-content h3 {
            font-size: 22px;
            font-weight: 600;
            margin: 0 0 20px 0;
            color: var(--color-text-dark);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .claude-message .message-content h4 {
            font-size: 18px;
            font-weight: 600;
            margin: 24px 0 12px 0;
            color: var(--color-text-dark);
        }

        .claude-message .message-content ul {
            list-style: none;
            padding: 0;
            margin: 12px 0;
        }

        .claude-message .message-content li {
            padding-left: 24px;
            position: relative;
            margin-bottom: 10px;
        }

        .claude-message .message-content li::before {
            content: '→';
            position: absolute;
            left: 0;
            color: var(--color-accent-purple);
            font-weight: 600;
        }

        .claude-message .message-content strong {
            color: var(--color-text-dark);
            font-weight: 600;
        }

        .chat-thinking {
            align-self: flex-start;
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 16px 24px;
            background: rgba(139, 92, 246, 0.05);
            border-radius: 12px;
            max-width: 200px;
            opacity: 0;
            transform: translateY(20px);
            transition: opacity 0.5s ease, transform 0.5s ease;
            visibility: hidden;
        }

        .chat-thinking.visible {
            opacity: 1;
            transform: translateY(0);
            visibility: visible;
        }

        .thinking-spinner-svg {
            width: 28px;
            height: 28px;
            flex-shrink: 0;
        }

        .thinking-label {
            font-size: 14px;
            color: rgba(139, 92, 246, 0.9);
            font-weight: 500;
            font-style: italic;
        }

        /* === VISION SECTION === */
        .vision-section {
            background: var(--color-bg-black);
        }

        .quote-box {
            background: rgba(248, 248, 248, 0.03);
            border-left: 4px solid var(--color-accent-purple);
            padding: 48px;
            border-radius: 8px;
            margin: 60px 0;
            max-width: 900px;
        }

        .quote-text {
            font-size: 28px;
            line-height: 1.6;
            font-style: italic;
            color: var(--color-text-light);
            margin-bottom: 24px;
        }

        .quote-author {
            font-size: 18px;
            font-weight: 600;
            color: var(--color-accent-purple);
        }

        /* === ARCHITECTURE SECTION === */
        .architecture-section {
            background: var(--color-bg-white);
            color: var(--color-text-dark);
        }

        .architecture-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 40px;
            max-width: 1000px;
        }

        .arch-card {
            background: linear-gradient(135deg, rgba(139, 92, 246, 0.05) 0%, rgba(139, 92, 246, 0.08) 100%);
            border: 1px solid rgba(139, 92, 246, 0.15);
            border-radius: 12px;
            padding: 40px;
            transition: transform 0.3s ease-out;
        }

        .arch-card:hover {
            transform: translateY(-8px);
        }

        .arch-icon {
            font-size: 40px;
            margin-bottom: 20px;
            display: block;
        }

        .arch-card h3 {
            font-size: 24px;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }

        .arch-card p {
            font-size: 16px;
            line-height: 1.7;
            color: rgba(42, 40, 35, 0.8);
        }

        /* === TIMELINE === */
        .timeline-section {
            background: linear-gradient(180deg, #000000 0%, #1a1a1d 100%);
            color: var(--color-text-light);
            position: relative;
            overflow: hidden;
        }

        .timeline-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(circle at 30% 50%, rgba(139, 92, 246, 0.15) 0%, transparent 70%);
            pointer-events: none;
        }

        .timeline-grid {
            max-width: 1400px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            column-gap: 80px;
            row-gap: 60px;
            position: relative;
            padding-bottom: 265px; /* Extra space for transformed right items */
        }

        .timeline-week {
            display: flex;
            align-items: flex-start;
            gap: 40px;
            position: relative;
        }

        /* Left column items (01, 03, 05, 07) with horizontal divider line */
        .timeline-week.left {
            padding-bottom: 60px;
            border-bottom: 1px solid rgba(139, 92, 246, 0.3);
        }

        /* Remove border from last left item */
        .timeline-week.left:last-of-type {
            border-bottom: none;
            padding-bottom: 0;
        }

        /* Right column items (02, 04, 06, 08) pushed down significantly */
        .timeline-week.right {
            align-self: start;
            transform: translateY(265px);
            padding-bottom: 0;
        }

        /* Responsive timeline adjustments - increase offset as screen gets smaller (text wraps more) */
        @media (max-width: 1400px) {
            .timeline-week.right {
                transform: translateY(320px);
            }
            .timeline-grid {
                padding-bottom: 320px;
            }
        }

        @media (max-width: 1200px) {
            .timeline-week.right {
                transform: translateY(380px);
            }
            .timeline-grid {
                padding-bottom: 380px;
            }
        }

        @media (max-width: 992px) {
            .timeline-week.right {
                transform: translateY(450px);
            }
            .timeline-grid {
                padding-bottom: 450px;
            }
        }

        @media (max-width: 768px) {
            .timeline-grid {
                grid-template-columns: 1fr;
                padding-bottom: 0;
            }

            .timeline-week.left,
            .timeline-week.right {
                transform: none;
                border-bottom: 1px solid rgba(139, 92, 246, 0.3);
                padding-bottom: 60px;
            }

            /* Remove border from last item on mobile */
            .timeline-week:last-child {
                border-bottom: none;
                padding-bottom: 0;
            }
        }

        .week-number {
            flex-shrink: 0;
            width: 100px;
            font-size: 72px;
            font-weight: 700;
            line-height: 1;
            color: rgba(139, 92, 246, 0.65);
        }

        .week-content h3 {
            font-size: 32px;
            font-weight: 600;
            margin-bottom: 20px;
            letter-spacing: -0.02em;
        }

        .week-content ul {
            list-style: none;
            padding: 0;
        }

        .week-content li {
            font-size: 18px;
            line-height: 1.7;
            margin-bottom: 12px;
            padding-left: 30px;
            position: relative;
        }

        .week-content li::before {
            content: '→';
            position: absolute;
            left: 0;
            color: var(--color-accent-purple);
            font-weight: 600;
        }

        /* === RESULTS === */
        .results-section {
            background: var(--color-bg-black);
        }

        .results-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 48px;
            max-width: 1200px;
        }

        .result-card {
            text-align: left;
            padding: 48px 32px;
            background: rgba(248, 248, 248, 0.03);
            border-radius: 12px;
            border: 1px solid rgba(139, 92, 246, 0.2);
            transition: all 0.3s ease-out;
        }

        .result-card:hover {
            transform: scale(1.05);
            box-shadow: 0 8px 24px rgba(139, 92, 246, 0.15);
            border-color: rgba(139, 92, 246, 0.5);
        }

        .result-number {
            font-size: 64px;
            font-weight: 700;
            line-height: 1;
            letter-spacing: -0.03em;
            background: linear-gradient(135deg, var(--color-accent-purple) 0%, var(--color-accent-orange) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 20px;
        }

        .result-label {
            font-size: 18px;
            font-weight: 500;
            color: var(--color-text-light);
            line-height: 1.5;
        }

        /* === TESTIMONIAL === */
        .testimonial-section {
            background: linear-gradient(135deg, var(--color-accent-purple) 0%, var(--color-accent-orange) 100%);
            padding: 120px 80px 120px 140px;
        }

        .testimonial-content {
            max-width: 1000px;
        }

        .testimonial-quote {
            font-size: 36px;
            font-weight: 300;
            line-height: 1.5;
            font-style: italic;
            margin-bottom: 40px;
            letter-spacing: -0.01em;
        }

        .testimonial-quote::before {
            content: '"';
            font-size: 100px;
            line-height: 0;
            opacity: 0.3;
            display: block;
            margin-bottom: 20px;
        }

        .testimonial-author {
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .testimonial-role {
            font-size: 16px;
            opacity: 0.8;
        }

        /* === CTA === */
        .cta-section {
            background: var(--color-bg-black);
            padding: 150px 80px 150px 140px;
        }

        .cta-content {
            max-width: 800px;
        }

        .cta-section h2 {
            font-size: 64px;
            font-weight: 600;
            letter-spacing: -0.03em;
            margin-bottom: 40px;
            line-height: 1.1;
        }

        .cta-section p {
            font-size: 24px;
            line-height: 1.6;
            margin-bottom: 60px;
            color: var(--color-text-gray);
        }

        .cta-buttons {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
        }

        .btn-primary {
            padding: 20px 50px;
            font-size: 16px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.1em;
            background: var(--color-accent-purple);
            color: var(--color-text-light);
            border-radius: 4px;
            transition: all 0.3s cubic-bezier(0.4, 0.0, 0.2, 1);
            display: inline-block;
        }

        .btn-primary:hover {
            transform: scale(1.05);
            box-shadow: 0 8px 30px rgba(139, 92, 246, 0.4);
        }

        .btn-secondary {
            padding: 20px 50px;
            font-size: 16px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.1em;
            background: transparent;
            color: var(--color-text-light);
            border: 2px solid rgba(248, 248, 248, 0.3);
            border-radius: 4px;
            transition: all 0.3s cubic-bezier(0.4, 0.0, 0.2, 1);
            display: inline-block;
        }

        .btn-secondary:hover {
            border-color: var(--color-text-light);
            background: rgba(248, 248, 248, 0.05);
        }

        /* === SECTION WATERMARK LOGO === */
        .section-watermark {
            position: absolute;
            bottom: 32px;
            right: 40px;
            opacity: 1;
            pointer-events: none;
            transition: opacity 0.3s ease;
        }

        .section-watermark img {
            height: 32px;
            width: auto;
            display: block;
        }

        /* Each section gets its own tint via CSS filter */
        .vision-section      { position: relative; }
        .what-we-built       { position: relative; }
        .timeline-section    { position: relative; }
        .architecture-section{ position: relative; }
        .results-section     { position: relative; }
        .testimonial-section { position: relative; }
        .cta-section         { position: relative; }

        .vision-section       .section-watermark img { filter: brightness(0) invert(1); }          /* dark bg → white */
        .what-we-built        .section-watermark img { filter: brightness(0); }                    /* light bg → black */
        .timeline-section     .section-watermark img { filter: brightness(0) invert(1); }          /* dark bg → white */
        .architecture-section .section-watermark img { filter: brightness(0); }                    /* light bg → black */
        .results-section      .section-watermark img { filter: brightness(0) invert(1); }          /* dark bg → white */
        .testimonial-section  .section-watermark img { filter: brightness(0) invert(1); }          /* dark bg → white */
        .cta-section          .section-watermark { display: none; }                                /* removed */

        /* === NAV LOGO === */
        .nav-logo {
            position: absolute;
            top: 28px;
            left: 40px;
            z-index: 10;
            opacity: 0;
            animation: fadeInLogo 0.6s ease-out 0.3s forwards;
        }

        .nav-logo img {
            height: 32px;
            width: auto;
            display: block;
            filter: brightness(0) invert(1);
        }

        @keyframes fadeInLogo {
            to { opacity: 1; }
        }

        /* === FOOTER === */
        footer {
            background: var(--color-bg-black);
            padding: 60px 80px 40px 140px;
            border-top: 1px solid rgba(248, 248, 248, 0.1);
        }

        .footer-logo {
            display: block;
            margin-bottom: 32px;
        }

        .footer-logo img {
            height: 24px;
            width: auto;
            filter: brightness(0) invert(1);
            opacity: 0.6;
        }

        .footer-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 30px;
        }

        .footer-content p {
            font-size: 14px;
            color: var(--color-text-muted);
        }

        .social-links {
            display: flex;
            gap: 20px;
            list-style: none;
        }

        .social-links a {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(248, 248, 248, 0.05);
            border-radius: 50%;
            transition: all 0.3s ease-out;
        }

        .social-links a:hover {
            background: var(--color-accent-purple);
            transform: scale(1.1);
        }

        /* === RESPONSIVE === */
        @media (max-width: 1200px) {
            .split-section {
                grid-template-columns: 1fr;
                gap: 60px;
            }

            .content-left,
            .visual-right {
                padding: 60px 40px 60px 80px;
            }

            .left-section {
                padding: 100px 40px 100px 80px;
            }

            .testimonial-section {
                padding: 100px 40px 100px 80px;
            }

            .cta-section {
                padding: 100px 40px 100px 80px;
            }

            footer {
                padding: 60px 40px 40px 80px;
            }

            .hero h1 {
                font-size: 72px;
            }

            .section-title {
                font-size: 56px;
            }

            .architecture-grid,
            .results-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .left-section {
                padding: 100px 24px;
            }

            .content-left,
            .visual-right {
                padding: 40px 24px;
            }

            .testimonial-section {
                padding: 80px 24px;
            }

            .cta-section {
                padding: 80px 24px;
            }

            footer {
                padding: 40px 24px;
            }

            .hero h1 {
                font-size: 48px;
            }

            .hero-subtitle {
                font-size: 24px;
            }

            .hero-stats {
                grid-template-columns: 1fr;
                gap: 30px;
            }

            .section-title {
                font-size: 42px;
            }

            .section-description {
                font-size: 18px;
            }

            .testimonial-quote {
                font-size: 24px;
            }

            .cta-section h2 {
                font-size: 42px;
            }

            .cta-section p {
                font-size: 18px;
            }

            .footer-content {
                flex-direction: column;
                text-align: center;
            }

            /* Capability section responsive */
            .capability-preview {
                height: 350px;
            }

            .pills-container {
                grid-template-columns: 1fr;
                gap: 12px;
            }

            .pill {
                padding: 16px 24px;
                font-size: 14px;
            }
        }

        /* === VERTICAL TIMELINE ANIMATION === */
        .vertical-timeline {
            position: absolute;
            left: 80px;
            top: 0;
            width: 1px;
            height: 100%;
            z-index: 1000;
            pointer-events: none;
        }

        .timeline-line {
            position: absolute;
            left: 0;
            top: 0;
            width: 1px;
            height: 100%;
            background: linear-gradient(to bottom, transparent 0%, rgba(219, 219, 219, 0.4) 5%, rgba(219, 219, 219, 0.4) 95%, transparent 100%);
        }

        .timeline-circle {
            position: fixed;
            left: 80px;
            top: 0;
            width: 24px;
            height: 24px;
            margin-left: -12px;
            margin-top: -12px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.3);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 2px solid rgba(139, 92, 246, 0.6);
            box-shadow: 0 0 20px rgba(139, 92, 246, 0.4), 0 0 40px rgba(139, 92, 246, 0.2);
            transition: all 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            will-change: transform;
            z-index: 1001;
        }

        .timeline-circle.accelerating {
            transition: all 0.8s cubic-bezier(0.4, 0.0, 0.2, 1);
        }

        .timeline-circle.braking {
            transition: all 1s cubic-bezier(0.0, 0.0, 0.2, 1);
        }

        .timeline-marker {
            position: absolute;
            left: 50%;
            width: 12px;
            height: 12px;
            margin-left: -6px;
            border-radius: 50%;
            background: rgba(219, 219, 219, 0.4);
            border: 1px solid rgba(219, 219, 219, 0.6);
            opacity: 0;
            transform: scale(0);
            transition: all 0.4s ease-out;
        }

        .timeline-marker.visible {
            opacity: 1;
            transform: scale(1);
        }

        .timeline-marker.active {
            background: rgba(139, 92, 246, 0.3);
            border: 2px solid rgba(139, 92, 246, 0.8);
            box-shadow: 0 0 15px rgba(139, 92, 246, 0.5);
        }

        .timeline-label {
            position: absolute;
            left: 30px;
            top: 50%;
            transform: translateY(-50%);
            padding: 8px 16px;
            background: rgba(42, 40, 35, 0.9);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid rgba(139, 92, 246, 0.3);
            border-radius: 6px;
            font-size: 12px;
            text-transform: uppercase;
            letter-spacing: 0.1em;
            color: rgba(255, 255, 255, 0.9);
            white-space: nowrap;
            opacity: 0;
            transform: translateY(-50%) translateX(-10px);
            transition: all 0.4s ease-out;
            pointer-events: none;
        }

        .timeline-marker.active .timeline-label {
            opacity: 1;
            transform: translateY(-50%) translateX(0);
        }

        /* Alternative: use .show class for independent label control */
        .timeline-label.show {
            opacity: 1;
            transform: translateY(-50%) translateX(0);
        }

        /* === REDUCED MOTION === */
        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: 0.01ms !important;
            }

            .timeline-circle {
                transition: none !important;
            }
        }

        /* Hide timeline on smaller screens */
        @media (max-width: 1200px) {
            .vertical-timeline {
                left: 40px;
            }

            .timeline-circle {
                left: 40px;
            }
        }

        @media (max-width: 768px) {
            .vertical-timeline {
                display: none;
            }

            .timeline-circle {
                display: none;
            }

            .nav-logo {
                left: 20px;
                top: 20px;
            }

            .nav-logo img {
                height: 24px;
            }

            footer {
                padding: 40px 24px;
            }
        }