:root {
            --bg: #F4F1EB;
            --black: #1A1414;
            --white: #FFFFFF;
            --brand-teal: #1E4D57;
            --brand-sand: #EAE0D6;
            --text-gray: #64748b;
            --acc-1: var(--brand-teal);
            --acc-2: var(--brand-sand);
            --acc-3: #2A6875;
            --acc-4: var(--black);
            --border-thick: 3px solid var(--black);
            --shadow-hard: 6px 6px 0px 0px var(--black);
            --shadow-hard-hover: 8px 8px 0px 0px var(--black);
            --radius: 12px;
            font-family: 'Inter', sans-serif;
        }
        * { margin: 0; padding: 0; box-sizing: border-box; }
        body {
            background-color: var(--bg);
            color: var(--black);
            display: flex;
            height: 100vh;
            overflow: hidden;
            -webkit-font-smoothing: antialiased;
        }
        h1, h2, h3, h4 { text-transform: uppercase; font-weight: 900; font-style: italic; }
        p { font-size: 0.95rem; line-height: 1.5; color: var(--text-gray); }
        strong { color: var(--black); font-weight: 700; }

        /* Layout */
        .layout-wrapper { display: flex; flex-direction: column; width: 100%; }

        /* Top Bar */
        .top-bar {
            height: 60px;
            background: var(--bg);
            border-bottom: var(--border-thick);
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0 2rem;
            z-index: 10;
        }
        .sys-badge {
            background: var(--brand-teal);
            color: var(--brand-sand);
            border: var(--border-thick);
            border-radius: 8px;
            padding: 0.3rem 1rem;
            font-size: 0.8rem;
            font-weight: 900;
            text-transform: uppercase;
            box-shadow: 3px 3px 0px var(--black);
            letter-spacing: 0.5px;
        }
        .page-indicator {
            background: var(--black);
            color: var(--brand-sand);
            padding: 0.4rem 1.5rem;
            font-weight: 900;
            font-style: italic;
            font-size: 1.2rem;
            transform: skewX(-10deg);
            transition: all 0.3s ease;
        }
        .content-area { display: flex; height: calc(100vh - 60px); }

        /* Sidebar */
        .sidebar {
            width: 280px;
            background: var(--white);
            border-right: var(--border-thick);
            padding: 2rem 1.5rem;
            overflow-y: auto;
            flex-shrink: 0;
        }
        .nav-links { list-style: none; display: flex; flex-direction: column; gap: 0.8rem; }
        .nav-btn {
            width: 100%;
            background: var(--white);
            border: 2px solid #D1D5DB;
            color: var(--text-gray);
            text-align: left;
            padding: 1rem;
            font-family: 'Inter', sans-serif;
            font-weight: 700;
            font-size: 0.85rem;
            text-transform: uppercase;
            cursor: pointer;
            border-radius: 8px;
            transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            position: relative;
            overflow: hidden;
        }
        .nav-btn::before {
            content: '';
            position: absolute;
            left: 0; top: 0; height: 100%; width: 0;
            background: var(--brand-sand);
            transition: width 0.3s ease;
            z-index: 0;
        }
        .nav-btn:hover::before { width: 100%; }
        .nav-btn:hover { border-color: var(--black); color: var(--black); }
        .nav-btn span { position: relative; z-index: 1; }
        .nav-btn.active {
            background: var(--brand-sand);
            border: 2px solid var(--black);
            color: var(--black);
            box-shadow: 4px 4px 0px var(--black);
            transform: translate(-2px, -2px);
        }
        .nav-btn.active::before { width: 100%; }

        /* Progress indicator in sidebar */
        .nav-progress {
            margin-top: 2rem;
            padding: 1rem;
            background: var(--bg);
            border: 2px solid var(--black);
            border-radius: 8px;
        }
        .nav-progress-label { font-size: 0.7rem; font-weight: 900; text-transform: uppercase; margin-bottom: 0.5rem; letter-spacing: 1px; }
        .nav-progress-bar { height: 6px; background: #D1D5DB; border-radius: 3px; overflow: hidden; }
        .nav-progress-fill { height: 100%; background: var(--brand-teal); border-radius: 3px; transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1); }

        /* Main Content */
        .main-content {
            flex-grow: 1;
            padding: 3rem;
            overflow-y: auto;
            scroll-behavior: smooth;
        }

        /* Page transitions */
        .page {
            display: none;
            max-width: 1000px;
            margin: 0 auto;
        }
        .page.active {
            display: block;
            animation: pageSlideIn 0.45s cubic-bezier(0.4, 0, 0.2, 1);
        }
        @keyframes pageSlideIn {
            from { opacity: 0; transform: translateY(20px) scale(0.98); }
            to { opacity: 1; transform: translateY(0) scale(1); }
        }

        /* Reveal animations */
        .reveal {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .reveal.visible {
            opacity: 1;
            transform: translateY(0);
        }
        .reveal-delay-1 { transition-delay: 0.1s; }
        .reveal-delay-2 { transition-delay: 0.2s; }
        .reveal-delay-3 { transition-delay: 0.3s; }
        .reveal-delay-4 { transition-delay: 0.4s; }

        .section-header {
            font-size: 3rem;
            margin-bottom: 0.5rem;
            letter-spacing: -1px;
            color: var(--black);
        }
        .section-sub {
            font-size: 1rem;
            font-weight: 600;
            color: var(--brand-teal);
            margin-bottom: 3rem;
            text-transform: uppercase;
        }

        /* Cards with hover lift */
        .card {
            background: var(--white);
            border: var(--border-thick);
            border-radius: var(--radius);
            padding: 2rem;
            box-shadow: var(--shadow-hard);
            margin-bottom: 2rem;
            transition: transform 0.25s ease, box-shadow 0.25s ease;
        }
        .card:hover {
            transform: translate(-2px, -2px);
            box-shadow: var(--shadow-hard-hover);
        }
        .grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 2.5rem; }
        .grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }

        /* Color Cards */
        .color-card {
            background: var(--white);
            border: var(--border-thick);
            border-radius: var(--radius);
            box-shadow: var(--shadow-hard);
            display: flex;
            flex-direction: column;
            text-align: center;
            overflow: hidden;
            transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.25s ease;
        }
        .color-card:hover { transform: translate(-3px, -3px); box-shadow: var(--shadow-hard-hover); }
        .c-top { height: 16px; border-bottom: var(--border-thick); }
        .c-content { padding: 2.5rem 2rem; flex-grow: 1; }
        .c-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px; height: 44px;
            border: var(--border-thick);
            font-weight: 900; font-size: 1.2rem; font-style: italic;
            margin-bottom: 1rem; background: var(--bg);
            transition: transform 0.3s ease, background 0.3s ease;
        }
        .color-card:hover .c-icon { transform: rotate(-8deg) scale(1.1); background: var(--brand-sand); }
        .c-title { font-size: 1.5rem; margin-bottom: 0.5rem; }
        .c-sub { color: var(--brand-teal); font-weight: 700; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 1.5rem; }

        /* Dark Cards */
        .dark-card {
            background: var(--black);
            border: var(--border-thick);
            box-shadow: var(--shadow-hard);
            border-radius: 8px;
            padding: 2rem;
            transition: transform 0.25s ease, box-shadow 0.25s ease;
        }
        .dark-card:hover { transform: translate(-2px, -2px); box-shadow: var(--shadow-hard-hover); }
        .d-header { display: flex; align-items: baseline; gap: 1rem; margin-bottom: 1rem; }
        .d-num { color: var(--brand-sand); font-size: 2rem; font-weight: 900; font-style: italic; }
        .d-title { color: var(--white); font-size: 1.8rem; }
        .d-desc { color: #A0A0A0; font-size: 0.85rem; margin-bottom: 2rem; text-transform: uppercase; font-weight: 600; letter-spacing: 0.5px; }
        .d-inner-box {
            background: var(--white);
            border: var(--border-thick);
            padding: 1rem;
            text-align: center;
            font-weight: 900;
            font-style: italic;
            text-transform: uppercase;
            margin-bottom: 0.8rem;
            cursor: pointer;
            transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            text-decoration: none;
            display: block;
            color: var(--black);
        }
        .d-inner-box:hover { background: var(--brand-sand); transform: scale(1.03) translateX(4px); }

        /* Block Header */
        .block-header {
            border-left: 8px solid var(--brand-teal);
            padding-left: 1rem;
            margin-bottom: 1.5rem;
            font-size: 1.2rem;
        }

        /* Buttons with pulse */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--brand-teal);
            color: var(--white);
            border: var(--border-thick);
            padding: 1rem 2rem;
            font-weight: 900;
            font-style: italic;
            text-transform: uppercase;
            text-decoration: none;
            cursor: pointer;
            box-shadow: 4px 4px 0px var(--black);
            transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            border-radius: 4px;
            position: relative;
            overflow: hidden;
        }
        .btn::after {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(255,255,255,0.15);
            transform: translateX(-100%);
            transition: transform 0.4s ease;
        }
        .btn:hover::after { transform: translateX(100%); }
        .btn:hover { transform: translate(-2px, -2px); box-shadow: 6px 6px 0px var(--black); }

        /* Lists */
        ul.clean-list { list-style: none; }
        ul.clean-list li {
            padding: 1rem;
            border-bottom: 2px solid var(--brand-sand);
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 1rem;
            color: var(--black);
            transition: padding-left 0.2s ease, background 0.2s ease;
        }
        ul.clean-list li:hover { padding-left: 1.5rem; background: rgba(30, 77, 87, 0.03); }
        ul.clean-list li:last-child { border-bottom: none; }
        .check { color: var(--brand-teal); font-size: 1.2rem; font-weight: 900; }
        .cross { color: var(--black); font-size: 1.2rem; font-weight: 900; }

        /* Progress Bars - animated */
        .prog-label { display: flex; justify-content: space-between; font-weight: 700; font-size: 0.8rem; text-transform: uppercase; margin-bottom: 0.5rem; }
        .prog-track { height: 12px; border: 2px solid var(--black); background: var(--bg); margin-bottom: 1.5rem; overflow: hidden; }
        .prog-fill { height: 100%; border-right: 2px solid var(--black); width: 0; transition: width 1s cubic-bezier(0.4, 0, 0.2, 1); }
        .prog-fill.animate { /* width set by data attribute */ }
        .fill-teal { background: var(--brand-teal); }
        .fill-sand { background: var(--brand-sand); }

        /* Pricing Pills */
        .pill-group { display: flex; gap: 1rem; justify-content: center; margin-bottom: 2rem; }
        .pill {
            padding: 0.8rem 2rem;
            background: var(--white);
            border: var(--border-thick);
            font-weight: 900; font-style: italic; text-transform: uppercase;
            cursor: pointer;
            box-shadow: 3px 3px 0px var(--black);
            transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .pill.active { background: var(--brand-teal); color: var(--white); transform: translate(2px, 2px); box-shadow: 1px 1px 0px var(--black); }

        /* ===== 3D FLOATING ELEMENT ===== */
        .hero-3d-container {
            width: 100%;
            display: flex;
            justify-content: center;
            margin: 2rem 0;
            perspective: 800px;
        }
        .hero-3d {
            width: 200px;
            height: 200px;
            position: relative;
            transform-style: preserve-3d;
            animation: float3d 6s ease-in-out infinite;
        }
        .hero-3d-face {
            position: absolute;
            width: 200px;
            height: 200px;
            border: var(--border-thick);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-style: italic;
            font-size: 1.4rem;
            text-transform: uppercase;
            backface-visibility: visible;
        }
        .face-front { background: var(--brand-teal); color: var(--white); transform: translateZ(100px); }
        .face-back { background: var(--black); color: var(--brand-sand); transform: rotateY(180deg) translateZ(100px); }
        .face-right { background: var(--brand-sand); color: var(--black); transform: rotateY(90deg) translateZ(100px); }
        .face-left { background: var(--white); color: var(--brand-teal); transform: rotateY(-90deg) translateZ(100px); }
        .face-top { background: var(--bg); color: var(--black); transform: rotateX(90deg) translateZ(100px); }
        .face-bottom { background: var(--brand-teal); color: var(--brand-sand); transform: rotateX(-90deg) translateZ(100px); }

        @keyframes float3d {
            0%, 100% { transform: rotateX(-15deg) rotateY(0deg) translateY(0); }
            25% { transform: rotateX(-10deg) rotateY(90deg) translateY(-10px); }
            50% { transform: rotateX(-15deg) rotateY(180deg) translateY(0); }
            75% { transform: rotateX(-10deg) rotateY(270deg) translateY(-10px); }
        }

        /* Animated counter */
        .counter-value {
            display: inline-block;
            transition: transform 0.1s ease;
        }

        /* Glowing accent on dark cards */
        .glow-accent {
            position: relative;
        }
        .glow-accent::after {
            content: '';
            position: absolute;
            top: -1px; left: -1px; right: -1px; bottom: -1px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--brand-teal), transparent, var(--brand-sand));
            z-index: -1;
            opacity: 0;
            transition: opacity 0.4s ease;
            filter: blur(8px);
        }
        .glow-accent:hover::after { opacity: 0.6; }

        /* Typing effect for header */
        .typed-cursor {
            display: inline-block;
            width: 3px;
            height: 1em;
            background: var(--brand-teal);
            margin-left: 4px;
            animation: blink 0.8s step-end infinite;
            vertical-align: text-bottom;
        }
        @keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }

        /* Particle dots background for summary page */
        .particles-bg {
            position: absolute;
            inset: 0;
            overflow: hidden;
            pointer-events: none;
            z-index: 0;
        }
        .particle {
            position: absolute;
            width: 4px;
            height: 4px;
            background: var(--brand-teal);
            border-radius: 50%;
            opacity: 0.15;
            animation: drift linear infinite;
        }
        @keyframes drift {
            0% { transform: translateY(0) translateX(0); }
            100% { transform: translateY(-100vh) translateX(30px); }
        }

        /* Stat badge - animated */
        .stat-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: var(--bg);
            border: 2px solid var(--black);
            padding: 0.4rem 1rem;
            font-weight: 900;
            font-size: 0.85rem;
            text-transform: uppercase;
            margin: 0.3rem;
            transition: all 0.2s ease;
        }
        .stat-badge:hover { background: var(--brand-sand); transform: scale(1.05); }

        /* Scrollbar */
        .main-content::-webkit-scrollbar { width: 8px; }
        .main-content::-webkit-scrollbar-track { background: var(--bg); }
        .main-content::-webkit-scrollbar-thumb { background: var(--brand-teal); border-radius: 4px; }
        .main-content::-webkit-scrollbar-thumb:hover { background: var(--black); }