        :root {
            /* Fato Design System Tokens */
            --color-white: #FFFFFF;
            --color-black: #000000;
            --color-blue: #0050FF;
            --color-light: #F8F9FA;
            --color-gray: #EAEAE5;
            --color-dark: #1C1C1C;
            
            --font-sans: 'Aktiv Grotesk', 'Inter', sans-serif;
            --font-mono: 'JetBrains Mono', monospace;
            
            --nav-height: 100px;
        }

        /* --- CSS Reset & Base --- */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        html, body {
            width: 100%;
            height: 100%;
        }

        html.lenis, html.lenis body {
            height: auto;
        }

        .lenis.lenis-smooth {
            scroll-behavior: auto !important;
        }

        .lenis.lenis-smooth [data-lenis-prevent] {
            overscroll-behavior: contain;
        }

        .lenis.lenis-stopped {
            overflow: hidden;
        }

        .lenis.lenis-scrolling iframe {
            pointer-events: none;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--color-black);
            color: var(--color-white);
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            cursor: none; /* Custom cursor takes over */
        }

        /* --- Custom Cursor --- */
        .cursor-dot, .cursor-outline {
            position: fixed;
            top: 0;
            left: 0;
            transform: translate(-50%, -50%);
            border-radius: 50%;
            z-index: 9999;
            pointer-events: none;
        }

        .cursor-dot {
            width: 8px;
            height: 8px;
            background-color: var(--color-white);
        }

        .cursor-outline {
            width: 44px;
            height: 44px;
            border: 1px solid rgba(255, 255, 255, 0.4);
            transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), background-color 0.2s, border-color 0.2s;
        }

        .cursor-hover .cursor-outline {
            transform: translate(-50%, -50%) scale(1.6);
            background-color: rgba(255, 255, 255, 0.1);
            border-color: transparent;
        }

        body.cursor-blue .cursor-dot {
            background-color: var(--color-blue);
        }
        body.cursor-blue .cursor-outline {
            border-color: rgba(0, 80, 255, 0.4);
        }
        body.cursor-blue.cursor-hover .cursor-outline {
            background-color: rgba(0, 80, 255, 0.1);
            border-color: transparent;
        }

        /* --- Typography Basics --- */
        a, button {
            cursor: none; /* Hide native cursor */
        }
        
        /* --- Hero Section --- */
        .hero {
            position: relative;
            width: 100vw;
            height: 100dvh; /* Dynamic viewport height for mobile compatibility */
            overflow: hidden;
        }

        .hero-video {
            position: absolute;
            top: 0; 
            left: 0;
            width: 100%; 
            height: 100%;
            object-fit: cover;
            z-index: 1;
        }

        .hero-poster {
            position: absolute;
            top: 0; 
            left: 0;
            width: 100%; 
            height: 100%;
            background-color: var(--color-dark);
            z-index: 0;
        }

        /* Sophisticated overlay for readability and vignette effect */
        .overlay {
            position: absolute;
            top: 0; 
            left: 0;
            width: 100%; 
            height: 100%;
            z-index: 2;
            background: linear-gradient(
                to top,
                rgba(0,0,0,0.2) 0%,
                rgba(0,0,0,0.1) 40%,
                rgba(0,0,0,0) 100%
            );
            pointer-events: none;
        }

        .hero-container {
            position: absolute;
            top: 0; 
            left: 0; 
            right: 0; 
            bottom: 0;
            z-index: 3;
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            padding: 4rem;
        }

        .hero-content {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            width: 100%;
            padding-bottom: 2rem; /* Breather space at bottom */
        }

        .hero-text-wrapper {
            max-width: 65%;
        }

        h1 {
            font-size: clamp(3rem, 7vw, 7.5rem);
            font-weight: 800;
            line-height: 0.95;
            letter-spacing: -0.04em;
            margin-bottom: 2rem;
            color: var(--color-white);
            will-change: transform, opacity;
        }

        .hero-blue-dot {
            color: var(--color-blue);
        }

        .tagline {
            font-size: clamp(1rem, 1.5vw, 1.25rem);
            font-weight: 300;
            line-height: 1.6;
            color: rgba(255,255,255,0.75);
            max-width: 550px;
            opacity: 0; /* Handled by GSAP */
            transform: translateY(20px);
        }

        /* --- Scroll Indicator --- */
        .scroll-indicator-wrapper {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 1.5rem;
            opacity: 0; /* Handled by GSAP */
            transform: translateY(20px);
        }

        .scroll-text {
            font-size: 0.65rem;
            font-weight: 600;
            letter-spacing: 0.25em;
            text-transform: uppercase;
            color: rgba(255,255,255,0.5);
            writing-mode: vertical-rl;
            transform: rotate(180deg);
        }

        .scroll-dot-container {
            width: 1px;
            height: 120px;
            background: rgba(255,255,255,0.1);
            position: relative;
            overflow: hidden;
            border-radius: 2px;
        }

        .scroll-dot {
            position: absolute;
            top: -100%; left: 0;
            width: 100%; height: 40px;
            background: var(--color-white);
            box-shadow: 0 0 10px rgba(255,255,255,0.5);
            animation: scrollLine 2s infinite cubic-bezier(0.77, 0, 0.175, 1);
        }

        @keyframes scrollLine {
            0% { top: -40px; opacity: 0; }
            30% { opacity: 1; }
            100% { top: 120px; opacity: 0; }
        }

        /* SplitType Base Styles */
        .line {
            overflow: hidden;
            padding-bottom: 0.1em; /* prevents descent cutoffs */
            margin-bottom: -0.1em;
        }

        .word {
            display: inline-block;
        }

        .char {
            display: inline-block;
            transform: translateY(110%); /* Handled by GSAP but base set */
        }

        /* --- Hero 2 (Statement Section) --- */
        .hero-2 {
            position: relative;
            width: 100vw;
            height: 100dvh;
            background-color: var(--color-light); /* #F8F9FA/White-ish */
            color: var(--color-dark);
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
            border-top: 1px solid transparent; /* reserved for animated line */
        }

        .hero-2-top-line {
            position: absolute;
            top: 0; left: 0;
            height: 1px;
            width: 0%;
            background-color: rgba(0,0,0,0.15);
        }

        .hero-2-label {
            position: absolute;
            top: 2rem;
            left: 4rem;
            font-family: var(--font-mono);
            font-size: 0.85rem;
            color: rgba(0,0,0,0.3);
            letter-spacing: 0.1em;
            opacity: 0; 
        }

        .hero-2-content {
            position: relative;
            max-width: 1200px;
            width: 100%;
            text-align: left;
            padding: 0 4rem; /* match navbar padding */
            z-index: 10;
        }

        .hero-2-headline-wrapper {
            position: relative;
        }

        .hero-2-headline {
            font-size: clamp(3rem, 5vw, 5rem);
            font-weight: 800;
            line-height: 1.1;
            letter-spacing: -0.02em;
            color: var(--color-dark);
            margin: 0;
            will-change: transform, opacity;
        }

        .hero-2-highlight {
            color: var(--color-blue);
        }

        .hero-2-reflection {
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            transform: scaleY(-1);
            opacity: 0;
            filter: blur(1.5px);
            pointer-events: none;
            -webkit-mask-image: linear-gradient(to bottom, rgba(0,0,0,0.6) 0%, rgba(0,0,0,0) 60%);
            mask-image: linear-gradient(to bottom, rgba(0,0,0,0.6) 0%, rgba(0,0,0,0) 60%);
            margin-top: 4px;
            color: var(--color-dark);
            font-size: clamp(3rem, 5vw, 5rem);
            font-weight: 800;
            line-height: 1.1;
            letter-spacing: -0.02em;
            text-align: left;
        }

        .hero-2-reflection .hero-2-highlight {
            color: var(--color-blue);
        }

        /* Dots Container and Dot Styles */
        .dots-container {
            position: absolute;
            top: 0; left: 0; right: 0; bottom: 0;
            z-index: 1;
            pointer-events: none;
        }

        .floating-dot-wrapper {
            position: absolute;
            transition: transform 0.2s ease-out, opacity 0.2s ease-out;
            opacity: 0; /* JS handles fade in */
        }

        .floating-dot {
            background-color: var(--color-dark); /* Greyish dark */
            border-radius: 50%;
        }

        @keyframes floatUpDown {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-20px); }
        }

        @media (max-width: 768px) {
            .hero-2-label {
                left: 1.5rem;
            }
        }

        /* Responsive Breakpoints */
        @media (max-width: 1024px) {
            .hero-text-wrapper {
                max-width: 80%;
            }
        }

        @media (max-width: 768px) {
            .hero-container {
                padding: 2.5rem 1.5rem;
            }
            .hero-content {
                flex-direction: column;
                align-items: flex-start;
                gap: 4rem;
            }
            .hero-text-wrapper {
                max-width: 100%;
            }
            .scroll-indicator-wrapper {
                align-self: flex-start;
                flex-direction: row;
                gap: 1.5rem;
            }
            .scroll-text {
                writing-mode: horizontal-tb;
                transform: none;
            }
            .scroll-dot-container {
                width: 120px;
                height: 1px;
            }
            .scroll-dot {
                top: 0; left: -100%;
                width: 40px; height: 100%;
                animation: scrollLineH 2s infinite cubic-bezier(0.77, 0, 0.175, 1);
            }

            @keyframes scrollLineH {
                0% { left: -40px; opacity: 0; }
                30% { opacity: 1; }
                100% { left: 120px; opacity: 0; }
            }
        }

        /* Mock next section for scrolling */
        .next-section {
            height: 100vh;
            background: var(--color-black);
            display: flex;
            align-items: center;
            justify-content: center;
            border-top: 1px solid rgba(255,255,255,0.05);
        }
        
        .next-section p {
            font-size: 1rem;
            color: rgba(255,255,255,0.3);
            text-transform: uppercase;
            letter-spacing: 0.2em;
        }

        /* --- Hero 3 (The Challenge) --- */
        .hero-3 {
            position: relative;
            width: 100vw;
            min-height: 100vh;
            background-color: var(--color-light); /* Matching hero-2 bg */
            color: var(--color-dark);
            padding: 8rem 4rem 4rem 4rem; /* Top padding for nav */
            display: flex;
            flex-direction: column;
            gap: 4rem;
        }

        .hero-3-header {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            align-items: start;
        }

        .hero-3-title {
            font-size: clamp(2rem, 4vw, 3rem);
            font-weight: 500;
            line-height: 1.1;
            letter-spacing: -0.02em;
            margin: 0;
            color: var(--color-dark);
        }

        .hero-3-desc {
            font-size: clamp(1rem, 1.2vw, 1.1rem);
            font-weight: 300;
            line-height: 1.6;
            color: rgba(28, 28, 28, 0.7);
            max-width: 500px;
            opacity: 0;
            transform: translateY(20px);
            margin-left: auto;
        }

        .hero-3-panels {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            flex-grow: 1;
            min-height: 500px;
        }

        .panel {
            position: relative;
            background-color: #FFFFFF;
            border: 1px solid rgba(0, 0, 0, 0.05);
            border-radius: 0; /* Boxy aesthetic from design */
            padding: 2rem;
            display: flex;
            flex-direction: column;
            overflow: hidden;
            opacity: 0;
            transform: translateY(24px);
            box-shadow: 0 10px 30px rgba(0,0,0,0.02);
        }

        /* Corner Marks */
        .corner-mark {
            position: absolute;
            width: 8px;
            height: 8px;
            border-color: rgba(0,0,0,0.2);
            border-style: solid;
            pointer-events: none;
        }
        
        .corner-tl { top: 1rem; left: 1rem; border-width: 1px 0 0 1px; }
        .corner-tr { top: 1rem; right: 1rem; border-width: 1px 1px 0 0; }
        .corner-bl { bottom: 1rem; left: 1rem; border-width: 0 0 1px 1px; }
        .corner-br { bottom: 1rem; right: 1rem; border-width: 0 1px 1px 0; }

        /* Panel Header & Footer */
        .panel-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-family: var(--font-mono);
            font-size: 0.65rem;
            letter-spacing: 0.1em;
            text-transform: uppercase;
            color: rgba(0,0,0,0.4);
            z-index: 10;
        }

        .dot-red { width: 6px; height: 6px; border-radius: 50%; background-color: #FF3B30; box-shadow: 0 0 8px rgba(255,59,48,0.5); }
        .dot-green { width: 6px; height: 6px; border-radius: 50%; background-color: #34C759; box-shadow: 0 0 8px rgba(52,199,89,0.5); }

        .panel-footer {
            margin-top: auto;
            font-size: 0.95rem;
            font-weight: 600;
            letter-spacing: -0.01em;
            z-index: 10;
            white-space: nowrap;
        }

        .text-red { color: #FF3B30; }
        .text-green { color: #34C759; }

        /* Left Panel - Chaos */
        .chaos-container {
            position: absolute;
            inset: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            pointer-events: auto; /* for mousemove */
            z-index: 1;
        }

        .blob-red {
            position: absolute;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(255,59,48,0.08) 0%, rgba(255,255,255,0) 70%);
            border-radius: 50%;
            pointer-events: none;
            animation: pulse-blob 4s infinite alternate ease-in-out;
        }

        @keyframes pulse-blob {
            0% { transform: scale(0.8); opacity: 0.5; }
            100% { transform: scale(1.2); opacity: 1; }
        }

        .chaos-icon {
            position: absolute;
            width: 48px;
            height: 48px;
            background: white;
            border: 1px solid rgba(0,0,0,0.05);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--color-dark);
            box-shadow: 0 4px 12px rgba(0,0,0,0.04);
            opacity: 0;
            transform: scale(0.5);
            will-change: transform;
            /* Initial chaotic positioning will be set by JS */
        }
        
        .chaos-icon img {
            width: 24px;
            height: 24px;
            object-fit: contain;
            filter: grayscale(100%);
            transition: filter 0.3s;
        }

        .glitch-line {
            position: absolute;
            height: 1px;
            background: rgba(255,59,48,0.2);
            width: 100%;
            left: 0;
            top: 50%;
            pointer-events: none;
            animation: glitch-anim 3s infinite linear;
            opacity: 0.5;
        }

        .glitch-line-2 { top: 30%; animation-delay: -1s; animation-duration: 4s; }
        .glitch-line-3 { top: 70%; animation-delay: -2s; animation-duration: 2.5s; }

        @keyframes glitch-anim {
            0%, 95% { transform: scaleX(0); transform-origin: left; opacity: 0; }
            96% { transform: scaleX(1); transform-origin: left; opacity: 0.5; }
            97% { transform: scaleX(1); transform-origin: right; opacity: 0.5; }
            100% { transform: scaleX(0); transform-origin: right; opacity: 0; }
        }

        /* Right Panel - Order */
        .order-container {
            position: absolute;
            inset: 6.5rem 2rem 5rem 2rem;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            align-items: center;
            z-index: 1;
        }

        .order-row {
            display: flex;
            gap: 1.5rem;
            z-index: 2;
        }

        .order-icon {
            width: 44px;
            height: 44px;
            background: white;
            border: 1px solid rgba(0,0,0,0.08);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--color-dark);
            box-shadow: 0 2px 8px rgba(0,0,0,0.02);
            opacity: 0;
            transform: translateY(-10px);
            position: relative;
        }
        
        .order-icon img {
            width: 20px;
            height: 20px;
            object-fit: contain;
            filter: grayscale(100%);
        }

        .dw-cylinder {
            width: 160px;
            height: 80px;
            background: linear-gradient(135deg, #F8F9FA 0%, #EAEAE5 100%);
            border: 1px solid rgba(0,0,0,0.1);
            border-radius: 40px / 20px;
            position: relative;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            opacity: 0;
            transform: scale(0.9);
            box-shadow: 0 10px 20px rgba(0,0,0,0.05), inset 0 2px 5px rgba(255,255,255,0.8);
            z-index: 2;
        }

        .dw-cylinder::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 40px;
            background: rgba(255,255,255,0.4);
            border-radius: 40px / 20px;
            border-bottom: 1px solid rgba(0,0,0,0.05);
        }
        
        .dw-glow {
            position: absolute;
            inset: -20px;
            background: radial-gradient(circle, rgba(52,199,89,0.15) 0%, rgba(255,255,255,0) 70%);
            border-radius: 50%;
            z-index: -1;
            opacity: 0;
        }

        .dw-label { font-size: 0.8rem; font-weight: 700; color: var(--color-dark); z-index: 1; }
        .dw-sublabel { font-size: 0.55rem; text-transform: uppercase; letter-spacing: 0.05em; color: rgba(0,0,0,0.5); z-index: 1; }

        .output-box {
            background: white;
            border: 1px solid rgba(0,0,0,0.1);
            border-radius: 8px;
            padding: 1rem;
            display: flex;
            align-items: center;
            gap: 0.75rem;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--color-dark);
            opacity: 0;
            transform: translateY(10px);
            width: 140px;
            z-index: 2;
        }
        
        .output-icon { color: var(--color-blue); font-size: 1.2rem; }

        .svg-lines {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            pointer-events: none;
            z-index: 0;
        }

        .flow-line {
            fill: none;
            stroke-width: 1.5;
            stroke-dasharray: 6 6;
            opacity: 0; /* JS will fade this in */
        }
        
        .flow-green { stroke: rgba(52,199,89,0.5); }
        .flow-blue { stroke: rgba(0,80,255,0.5); }

        .flow-line.animating {
            animation: flow-anim 20s linear infinite;
        }

        @keyframes flow-anim {
            to { stroke-dashoffset: -400; }
        }

        @media (max-width: 1024px) {
            .hero-3-panels, .hero-3-header {
                grid-template-columns: 1fr;
            }
            .hero-3 {
                padding: 6rem 2rem 2rem 2rem;
            }
        }

        /* --- Section 4 --- */
        .section-4 {
            width: 100vw;
            height: 100vh;
            display: flex;
            flex-direction: row;
            background-color: var(--color-light); /* Based on design system #F8F9FA */
            overflow: hidden;
            position: relative;
        }

        .s4-left {
            width: 50%;
            height: 100%;
            position: relative;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .s4-text-wrapper {
            max-width: 520px;
            padding-left: 8vw;
            padding-right: 2rem;
        }

        .s4-body {
            font-size: clamp(1rem, 1.25vw, 1.125rem); /* matching Body (Regular) and responsive */
            line-height: 1.6;
            color: var(--color-dark);
        }

        .s4-body strong {
            font-weight: 700; /* Bold from DS */
        }
        
        .s4-body em {
            font-style: italic;
        }

        .s4-logo {
            position: absolute;
            left: 8vw;
            bottom: 48px;
            height: 48px;
            width: auto;
            opacity: 0;
            transform: translateY(12px);
        }

        .s4-right {
            width: 50%;
            height: 100%;
            display: flex;
            flex-direction: column;
            gap: 0;
            margin: 0;
            padding: 0;
            border: none;
            background-color: var(--color-black);
        }

        .s4-img-container {
            flex: 1;
            width: 100%;
            height: 33.3333vh;
            overflow: hidden;
            position: relative;
            background-color: var(--color-dark);
        }

        .s4-img {
            width: 100%;
            height: 130%; /* 130% for parallax margin */
            object-fit: cover;
            object-position: center;
            will-change: transform;
            transition: filter 0.4s ease;
            opacity: 0;
            transform: scale(1.04); /* for entrance scale down */
        }

        .s4-img:hover {
            filter: brightness(1.05);
        }

        .s4-img-1 .s4-img {
            object-position: center bottom;
        }

        .s4-img-3 .s4-img {
            object-position: center top;
        }

        /* --- Responsive Section 4 --- */
        @media (max-width: 1023px) {
            .section-4 {
                flex-direction: column;
                height: auto;
            }
            .s4-left {
                width: 100%;
                height: auto;
                padding: 6rem 0;
            }
            .s4-text-wrapper {
                padding-left: 5vw;
                padding-right: 5vw;
                max-width: 100%;
            }
            .s4-logo {
                position: static;
                margin-left: 5vw;
                margin-top: 4rem;
            }
            .s4-right {
                width: 100%;
                height: 120vh;
            }
            .s4-img-container {
                height: 40vh;
            }
        }

        @media (max-width: 767px) {
            .s4-left {
                padding: 4rem 0;
            }
            .s4-right {
                height: 105vh;
            }
            .s4-img-container {
                height: 35vh;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            .s4-img {
                will-change: auto;
                transition: none;
                opacity: 1 !important;
                transform: none !important;
                height: 100%;
            }
            .s4-logo {
                opacity: 1 !important;
                transform: none !important;
            }
        }

        /* --- Section Cases --- */
        .section-cases {
            position: relative;
            background-color: var(--color-light); /* Design system off-white */
            color: var(--color-dark);
            width: 100vw;
            overflow: hidden; /* Scroll handled by GSAP */
        }

        .cases-header {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            padding: 32px 8vw; /* Mais próximo do topo */
            z-index: 10;
            pointer-events: none;
        }

        .cases-title {
            font-size: 14px; /* Bem menor, apenas um detalhe */
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            margin: 0;
            color: rgba(0,0,0,0.5); /* Cor sutil para não chamar muita atenção */
            opacity: 0;
            transform: translateY(10px); /* Animação mais curta */
            font-family: var(--font-sans);
        }

        .cases-scroll-driver {
            width: 100vw;
            display: flex;
            align-items: center;
            height: 100vh;
        }

        .cases-track {
            display: flex;
            gap: 60px;
            padding: 0 8vw;
            will-change: transform;
            margin-top: 80px; /* Space for title */
        }

        .case-card {
            width: 480px;
            flex-shrink: 0;
            display: flex;
            flex-direction: column;
            opacity: 0;
            transform: translateY(40px);
        }

        .case-meta {
            display: flex;
            flex-direction: column;
            gap: 8px;
            margin-bottom: 24px;
        }

        .case-number {
            font-family: var(--font-mono);
            font-size: 13px;
            letter-spacing: 0.15em;
            color: rgba(0,0,0,0.2);
        }

        .case-divider-line {
            height: 1px;
            width: 0%;
            border-bottom: 1px dashed rgba(0,0,0,0.15);
        }

        .case-img-wrap {
            width: 100%;
            height: 380px;
            border-radius: 8px;
            overflow: hidden;
            position: relative;
            box-shadow: 0 8px 32px rgba(0,0,0,0.08);
            transition: box-shadow 0.6s ease;
            cursor: pointer;
        }

        .case-img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            object-position: center;
            transition: transform 0.6s ease;
        }

        .case-overlay {
            position: absolute;
            inset: 0;
            background-color: var(--color-black);
            opacity: 0;
            transition: opacity 0.4s ease;
            pointer-events: none;
        }

        .case-img-wrap:hover {
            box-shadow: 0 16px 48px rgba(0,0,0,0.14);
        }

        .case-img-wrap:hover .case-img {
            transform: scale(1.04);
        }

        .case-img-wrap:hover .case-overlay {
            opacity: 0.15;
        }

        .case-label {
            font-size: 12px;
            letter-spacing: 0.1em;
            text-transform: uppercase;
            color: rgba(0,0,0,0.55);
            margin-top: 16px;
            line-height: 1.5;
            max-width: 100%;
        }

        .cases-progress-container {
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background-color: rgba(0,0,0,0.08);
            z-index: 10;
        }

        .cases-progress-bar {
            height: 100%;
            width: 0%;
            background-color: var(--color-blue);
            border-radius: 1px;
            will-change: width;
        }

        /* --- Responsive Cases --- */
        @media (max-width: 1023px) {
            .case-card {
                width: 360px;
            }
            .case-img-wrap {
                height: 280px;
            }
            .cases-track {
                gap: 40px;
            }
        }

        @media (max-width: 767px) {
            .section-cases {
                height: auto;
                padding-bottom: 4rem;
            }
            .cases-header {
                position: relative;
                padding-bottom: 2rem;
            }
            .cases-scroll-driver {
                height: auto;
                display: block;
            }
            .cases-track {
                flex-direction: column;
                padding: 0 5vw;
                gap: 48px;
                margin-top: 0;
            }
            .case-card {
                width: 100%;
                opacity: 1; /* Reset for mobile */
                transform: none; /* Reset for mobile */
            }
            .case-divider-line {
                width: 100%; /* Reset for mobile */
            }
            .case-img-wrap {
                height: auto;
                aspect-ratio: 4/3;
            }
            .cases-progress-container {
                display: none;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            .cases-track {
                flex-wrap: wrap;
                flex-direction: row;
                height: auto;
                justify-content: center;
            }
            .cases-scroll-driver {
                height: auto;
            }
            .case-card {
                opacity: 1 !important;
                transform: none !important;
            }
            .case-divider-line {
                width: 100% !important;
            }
            .cases-title {
                opacity: 1 !important;
                transform: none !important;
            }
            .cases-progress-container {
                display: none;
            }
            .section-cases {
                height: auto;
            }
        }

        /* --- Section F-Score --- */
        .section-fscore {
            position: relative;
            background-color: var(--color-black); /* Dark background */
            color: var(--color-white);
            width: 100vw;
            overflow: hidden;
        }

        /* Noise Texture */
        .section-fscore::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
            opacity: 0.03;
            pointer-events: none;
            z-index: 1;
        }

        /* Radial Vignette */
        .section-fscore::after {
            content: "";
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at center, transparent 40%, rgba(0,0,0,0.8) 100%);
            pointer-events: none;
            z-index: 2;
        }

        .fscore-radial-bg {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 80vw;
            height: 80vw;
            background: radial-gradient(circle at center, var(--color-blue) 0%, transparent 60%);
            opacity: 0.04;
            pointer-events: none;
            z-index: 1;
            transition: opacity 0.5s ease, transform 0.5s ease;
        }

        .fscore-giant-bg {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            font-size: 30vw;
            font-weight: 800;
            color: var(--color-white);
            opacity: 0.03;
            z-index: 1;
            pointer-events: none;
            font-family: var(--font-sans);
            will-change: opacity, transform;
        }

        /* Intro */
        .fscore-intro {
            height: 100vh;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            text-align: center;
            position: relative;
            z-index: 3;
            padding: 0 5vw;
        }

        .fscore-eyebrow {
            font-size: 14px;
            letter-spacing: 0.2em;
            text-transform: uppercase;
            color: var(--color-blue);
            margin-bottom: 24px;
        }

        .fscore-headline {
            font-size: clamp(32px, 4vw, 58px);
            font-weight: 700;
            line-height: 1.1;
            max-width: 800px;
            margin-bottom: 32px;
            white-space: nowrap;
        }

        .fscore-subtext {
            font-size: 16px;
            line-height: 1.7;
            color: rgba(255,255,255,0.55);
            max-width: 560px;
        }

        .fscore-scroll-hint {
            position: absolute;
            bottom: 48px;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 12px;
        }

        .fscore-scroll-hint span {
            font-size: 11px;
            text-transform: uppercase;
            letter-spacing: 0.2em;
            color: rgba(255,255,255,0.35);
        }

        .fscore-arrow-bounce {
            width: 2px;
            height: 24px;
            background: linear-gradient(to bottom, rgba(255,255,255,0) 0%, rgba(255,255,255,0.5) 100%);
            animation: bounceScroll 2s infinite ease-in-out;
        }

        @keyframes bounceScroll {
            0%, 100% { transform: translateY(0); opacity: 0.5; }
            50% { transform: translateY(8px); opacity: 1; }
        }

        /* Sticky Track */
        .fscore-sticky {
            height: 100vh;
            width: 100vw;
            position: relative;
            z-index: 3;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .fscore-progress-track {
            position: absolute;
            left: 40px;
            top: 50%;
            transform: translateY(-50%);
            width: 2px;
            height: 200px;
            background-color: rgba(255,255,255,0.1);
        }

        .fscore-progress-fill {
            width: 100%;
            height: 0%; /* updated via JS */
            background-color: var(--color-blue);
            will-change: height;
        }

        .fscore-content-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: 1100px;
            padding: 0 5vw;
        }

        .fscore-level-indicator {
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            position: relative;
            width: 300px;
        }

        .fscore-level-label {
            font-size: 12px;
            font-family: var(--font-mono);
            letter-spacing: 0.2em;
            color: rgba(255,255,255,0.4);
            margin-bottom: 8px;
        }

        .fscore-level-number {
            font-size: clamp(80px, 10vw, 140px);
            font-weight: 700;
            line-height: 1;
            font-family: var(--font-sans);
            will-change: transform, opacity;
        }

        .fscore-checkmark {
            position: absolute;
            top: 50%;
            right: -24px;
            transform: translateY(-50%) scale(0);
            color: var(--color-blue);
            font-size: 24px;
            opacity: 0;
            font-weight: bold;
        }

        .fscore-connector-line {
            flex-grow: 1;
            height: 1px;
            border-bottom: 1px dashed rgba(255,255,255,0.15);
            margin: 0 48px;
            will-change: width;
        }

        .fscore-card {
            background-color: rgba(255,255,255,0.05);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid rgba(255,255,255,0.08);
            border-radius: 12px;
            padding: 36px 40px;
            max-width: 520px;
            width: 100%;
            will-change: transform, opacity;
        }

        .fscore-card-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-white);
            margin-bottom: 16px;
        }

        .fscore-card-title em {
            color: var(--color-blue);
            font-style: normal;
        }

        .fscore-card-desc {
            font-size: 15px;
            line-height: 1.8;
            color: rgba(255,255,255,0.75);
        }

        .fscore-counter {
            position: absolute;
            bottom: 40px;
            right: 40px;
            font-family: var(--font-mono);
            font-size: 12px;
            color: rgba(255,255,255,0.3);
            letter-spacing: 0.1em;
        }

        .fscore-logo-mark {
            position: absolute;
            bottom: 36px;
            left: 50%;
            transform: translateX(-50%);
            width: 56px;
            opacity: 0.18;
            pointer-events: none;
            user-select: none;
        }

        /* --- Responsive F-Score --- */
        @media (max-width: 1023px) {
            .fscore-content-wrapper {
                flex-direction: column;
                align-items: center;
                text-align: center;
                gap: 48px;
            }
            .fscore-level-indicator {
                align-items: center;
                width: auto;
            }
            .fscore-connector-line {
                display: none;
            }
            .fscore-progress-track {
                top: 40px;
                left: 50%;
                transform: translateX(-50%);
                width: 200px;
                height: 2px;
            }
            .fscore-progress-fill {
                height: 100%;
                width: 0%;
                will-change: width;
            }
            .fscore-checkmark {
                right: -32px;
            }
        }

        @media (max-width: 767px) {
            .fscore-intro {
                height: auto;
                padding: 120px 5vw 80px;
            }
            .fscore-headline { white-space: normal; }
            .fscore-sticky {
                height: auto !important;
                display: block;
                padding: 40px 5vw 80px;
            }
            .fscore-scroll-hint {
                display: none;
            }
            .fscore-progress-track, .fscore-counter, .fscore-giant-bg, .fscore-radial-bg {
                display: none;
            }
            .fscore-content-wrapper {
                display: none; /* Hide JS wrapper on mobile */
            }
            
            .fscore-mobile-list {
                display: flex;
                flex-direction: column;
                gap: 64px;
            }
            .fscore-mobile-item {
                display: flex;
                flex-direction: column;
                align-items: center;
                text-align: center;
                padding: 0 5vw;
            }
            .fscore-mobile-item .fscore-card {
                padding: 24px;
            }
        }

        @media (min-width: 768px) {
            .fscore-mobile-list {
                display: none;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            .fscore-sticky {
                height: auto !important;
                display: block;
            }
            .fscore-intro {
                height: auto;
                padding: 120px 5vw 80px;
            }
            .fscore-content-wrapper {
                display: none;
            }
            .fscore-mobile-list {
                display: flex;
                flex-direction: column;
                gap: 64px;
            }
            .fscore-progress-track, .fscore-counter, .fscore-giant-bg, .fscore-radial-bg, .fscore-scroll-hint {
                display: none;
            }
            .section-fscore {
                height: auto;
            }
        }
        /* ── SECTION S7 ── */
        .section-s7 {
          position: relative;
          background-color: var(--color-black);
          will-change: background-color;
        }
        .s7-sticky {
          position: relative;
          z-index: 1;
          display: flex;
          align-items: center;
          justify-content: center;
          min-height: 100vh;
          padding: 0 8vw;
        }

        .s7-logo-mark {
          position: absolute;
          bottom: 48px;
          left: 50%;
          transform: translateX(-50%);
          width: 80px;
          opacity: 0.55;
          pointer-events: none;
          user-select: none;
        }
        .s7-text {
          text-align: center;
          max-width: 1400px;
          width: 100%;
          font-family: var(--font-sans);
          font-size: clamp(36px, 5.5vw, 80px);
          font-weight: bold;
          letter-spacing: -0.02em;
          line-height: 1.15;
        }
        .s7-nowrap {
          white-space: nowrap;
        }
        .s7-word-normal {
          color: #FFFFFF;
        }
        .s7-highlight {
          color: var(--color-blue);
        }
        @media (max-width: 768px) {
          .s7-text { font-size: clamp(28px, 8vw, 48px); }
          .s7-nowrap { white-space: normal; }
        }
        @media (prefers-reduced-motion: reduce) {
          .section-s7 { background-color: var(--color-light) !important; }
          .s7-word-normal { color: var(--color-dark) !important; }
        }

        /* --- Site Navigation --- */
        .site-nav {
            position: fixed;
            top: 1.5rem;
            right: 2rem;
            z-index: 100;
            opacity: 0;
            will-change: transform, opacity;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 2rem;
            background: rgba(8, 8, 8, 0.62);
            backdrop-filter: blur(22px);
            -webkit-backdrop-filter: blur(22px);
            border: 1px solid rgba(255, 255, 255, 0.09);
            border-radius: 3px;
            padding: 0.35rem 0.35rem 0.35rem 1.75rem;
        }

        .nav-link {
            font-size: 0.72rem;
            font-weight: 500;
            letter-spacing: 0.1em;
            text-transform: uppercase;
            color: rgba(255, 255, 255, 0.6);
            text-decoration: none;
            cursor: none;
            position: relative;
            transition: color 0.25s ease;
        }

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -3px;
            left: 0;
            width: 0%;
            height: 1px;
            background-color: var(--color-blue);
            transition: width 0.35s cubic-bezier(0.16, 1, 0.3, 1);
        }

        .nav-link:hover { color: var(--color-white); }
        .nav-link:hover::after { width: 100%; }

        /* Beam CTA */
        .nav-cta-wrapper {
            position: relative;
            display: inline-flex;
            padding: 1.5px;
            overflow: hidden;
            cursor: none;
            border-radius: 2px;
            text-decoration: none;
            transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
        }

        .nav-cta-wrapper:hover { transform: scale(1.03); }

        .nav-cta-beam {
            position: absolute;
            inset: -200%;
            background: conic-gradient(from 0deg, transparent 0 300deg, var(--color-blue) 360deg);
            animation: nav-beam-spin 3s linear infinite;
        }

        @keyframes nav-beam-spin {
            from { transform: rotate(0deg); }
            to   { transform: rotate(360deg); }
        }

        .nav-cta-inner {
            position: relative;
            background: var(--color-black);
            color: var(--color-white);
            padding: 0.65rem 1.4rem;
            font-size: 0.72rem;
            font-weight: 600;
            letter-spacing: 0.1em;
            text-transform: uppercase;
            white-space: nowrap;
            z-index: 1;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            transition: background 0.25s ease;
            overflow: hidden;
        }

        /* Shimmer sweep no hover */
        .nav-cta-inner::before {
            content: '';
            position: absolute;
            top: 0; left: -100%;
            width: 55%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(0, 80, 255, 0.18), transparent);
            transform: skewX(-15deg);
            transition: left 0.55s ease;
        }

        .nav-cta-wrapper:hover .nav-cta-inner::before { left: 180%; }
        .nav-cta-wrapper:hover .nav-cta-inner { background: rgba(0, 80, 255, 0.07); }

        .nav-cta-icon {
            font-size: 0.9rem;
            transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
        }

        .nav-cta-wrapper:hover .nav-cta-icon { transform: translate(2px, -2px); }

        @media (max-width: 768px) {
            .site-nav { top: 1rem; right: 1rem; }
            .nav-link { display: none; }
            .nav-links { padding: 0.3rem 0.3rem; }
        }
