:root {
            --bg: #080d18;
            --bg-elevated: #0f1522;
            --bg-card: #141b2c;
            --bg-card-hover: #1a2338;
            --border: rgba(255, 255, 255, 0.06);
            --border-strong: rgba(255, 255, 255, 0.12);
            --amber: #e8945a;
            --amber-light: #f0b080;
            --amber-soft: rgba(232, 148, 90, 0.12);
            --amber-glow: rgba(232, 148, 90, 0.05);
            --cream: #f0ebe0;
            --cream-muted: #c8c0b4;
            --text: #e8e4db;
            --text-secondary: #a09b90;
            --text-muted: #6e6a62;
            --accent-indigo: #7b8fdb;
            --accent-indigo-soft: rgba(123, 143, 219, 0.12);
            --accent-teal: #4db8a0;
            --accent-teal-soft: rgba(77, 184, 160, 0.12);
            --font-display: 'Instrument Serif', Georgia, serif;
            --font-body: 'Source Serif 4', Georgia, serif;
            --font-mono: 'DM Mono', 'Courier New', monospace;
        }

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

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

        body {
            font-family: var(--font-body);
            background: var(--bg);
            color: var(--text);
            line-height: 1.75;
            overflow-x: hidden;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
        }

        body::before {
            content: '';
            position: fixed;
            inset: 0;
            background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.02'/%3E%3C/svg%3E");
            pointer-events: none;
            z-index: 0;
        }

        a {
            color: inherit;
            text-decoration: none;
        }
        ul {
            list-style: none;
        }

        .container {
            max-width: 1180px;
            margin: 0 auto;
            padding: 0 2.5rem;
        }

        header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(8, 13, 24, 0.9);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border);
        }
        header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
        }
        .logo {
            font-family: var(--font-display);
            font-size: 1.5rem;
            color: var(--cream);
            letter-spacing: -0.01em;
        }
        .logo em {
            color: var(--amber);
            font-style: italic;
        }
        .site-nav ul {
            display: flex;
            gap: 0.3rem;
            flex-wrap: wrap;
        }
        .site-nav a {
            font-family: var(--font-mono);
            font-size: 0.76rem;
            color: var(--text-muted);
            padding: 0.45rem 0.9rem;
            border-radius: 6px;
            transition: all 0.2s ease;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .site-nav a:hover {
            color: var(--cream);
            background: rgba(255, 255, 255, 0.03);
        }
        .site-nav a[aria-current="page"] {
            color: var(--amber);
            background: var(--amber-soft);
        }

        main {
            position: relative;
            z-index: 1;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.75rem 1.6rem;
            border-radius: 6px;
            font-family: var(--font-mono);
            font-size: 0.8rem;
            font-weight: 500;
            cursor: pointer;
            border: none;
            transition: all 0.25s ease;
            letter-spacing: 0.03em;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--amber);
            color: #0a0f1a;
        }
        .btn-primary:hover {
            background: var(--amber-light);
            transform: translateY(-1px);
            box-shadow: 0 8px 28px rgba(232, 148, 90, 0.22);
        }
        .btn-outline {
            background: transparent;
            color: var(--cream-muted);
            border: 1px solid var(--border-strong);
        }
        .btn-outline:hover {
            border-color: var(--amber);
            color: var(--amber);
            transform: translateY(-1px);
        }
        .btn-sm {
            padding: 0.45rem 1rem;
            font-size: 0.68rem;
            letter-spacing: 0.04em;
        }

        .page-hero {
            padding: 5rem 0 3.5rem;
            position: relative;
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            top: -10%;
            right: -5%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(77, 184, 160, 0.05) 0%, transparent 55%);
            pointer-events: none;
        }
        .page-hero .container {
            position: relative;
            z-index: 1;
        }
        .page-hero-overline {
            font-family: var(--font-mono);
            font-size: 0.7rem;
            color: var(--amber);
            letter-spacing: 0.22em;
            text-transform: uppercase;
            margin-bottom: 1.2rem;
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }
        .page-hero-overline::before {
            content: '';
            width: 28px;
            height: 1px;
            background: var(--amber);
        }
        .page-hero h1 {
            font-family: var(--font-display);
            font-size: clamp(2.8rem, 6vw, 4.2rem);
            font-weight: 400;
            line-height: 1.05;
            letter-spacing: -0.02em;
            color: var(--cream);
            margin-bottom: 0.8rem;
        }
        .page-hero h1 em {
            font-style: italic;
            color: var(--amber);
        }
        .page-hero .hero-sub {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 640px;
            line-height: 1.9;
            margin-bottom: 2rem;
        }
        .hero-quick-links {
            display: flex;
            gap: 0.6rem;
            flex-wrap: wrap;
        }
        .hero-quick-links a {
            font-family: var(--font-mono);
            font-size: 0.7rem;
            padding: 0.4rem 0.85rem;
            border-radius: 5px;
            background: var(--bg-card);
            color: var(--text-muted);
            border: 1px solid var(--border);
            transition: all 0.25s ease;
            letter-spacing: 0.04em;
        }
        .hero-quick-links a:hover {
            border-color: var(--amber);
            color: var(--amber);
            background: var(--amber-soft);
        }

        .section-header {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: end;
            margin-bottom: 3rem;
        }
        .section-header h2 {
            font-family: var(--font-display);
            font-size: clamp(2.2rem, 3.8vw, 2.8rem);
            font-weight: 400;
            line-height: 1.1;
            color: var(--cream);
            letter-spacing: -0.02em;
        }
        .section-header h2 em {
            font-style: italic;
            color: var(--amber);
        }
        .section-header p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 380px;
        }

        .content-section {
            padding: 5rem 0;
            border-top: 1px solid var(--border);
        }

        /* Step Cards */
        .step-list {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .step-item {
            display: flex;
            gap: 1.5rem;
            background: var(--bg-elevated);
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 1.8rem 2rem;
            transition: all 0.3s ease;
        }
        .step-item:hover {
            border-color: var(--border-strong);
            background: var(--bg-card-hover);
        }
        .step-number {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--amber-soft);
            color: var(--amber);
            font-family: var(--font-mono);
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .step-content h3 {
            font-family: var(--font-display);
            font-size: 1.2rem;
            font-weight: 400;
            color: var(--cream);
            margin-bottom: 0.4rem;
            letter-spacing: -0.01em;
        }
        .step-content p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.85;
        }

        /* Rule Table */
        .rule-table-wrap {
            background: var(--bg-elevated);
            border: 1px solid var(--border);
            border-radius: 12px;
            overflow: hidden;
            margin: 1.5rem 0;
        }
        .rule-table {
            width: 100%;
            border-collapse: collapse;
            font-family: var(--font-mono);
            font-size: 0.72rem;
        }
        .rule-table th {
            background: var(--bg-card);
            color: var(--text-muted);
            font-weight: 500;
            padding: 0.9rem 1.2rem;
            text-align: left;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            font-size: 0.64rem;
            border-bottom: 1px solid var(--border);
        }
        .rule-table td {
            padding: 0.8rem 1.2rem;
            border-bottom: 1px solid var(--border);
            color: var(--text-secondary);
        }
        .rule-table tr:hover td {
            background: var(--bg-card-hover);
        }
        .code-inline {
            color: var(--amber);
            font-weight: 500;
        }

        /* Scene Selector */
        .scene-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 0.85rem;
        }
        .scene-card {
            background: var(--bg-elevated);
            border: 1px solid var(--border);
            border-radius: 10px;
            padding: 1.6rem 1.2rem;
            text-align: center;
            transition: all 0.35s ease;
            display: flex;
            flex-direction: column;
            align-items: center;
        }
        .scene-card:hover {
            border-color: var(--amber);
            transform: translateY(-3px);
            box-shadow: 0 14px 36px rgba(0, 0, 0, 0.45);
        }
        .scene-icon {
            width: 44px;
            height: 44px;
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
            background: var(--bg-card);
            font-size: 1.3rem;
            transition: all 0.3s ease;
        }
        .scene-card:hover .scene-icon {
            background: var(--amber-soft);
            box-shadow: 0 0 18px var(--amber-glow);
        }
        .scene-card h3 {
            font-family: var(--font-display);
            font-size: 1rem;
            font-weight: 400;
            color: var(--cream);
            margin-bottom: 0.35rem;
        }
        .scene-card p {
            font-size: 0.78rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 1rem;
            flex: 1;
        }
        .scene-card .btn-xs {
            margin-top: auto;
            display: inline-flex;
            background: transparent;
            border: 1px solid var(--border-strong);
            color: var(--cream-muted);
            font-family: var(--font-mono);
            font-size: 0.62rem;
            padding: 0.3rem 0.7rem;
            border-radius: 4px;
            cursor: pointer;
            transition: all 0.25s ease;
            letter-spacing: 0.05em;
        }
        .scene-card .btn-xs:hover {
            border-color: var(--amber);
            color: var(--amber);
            background: var(--amber-soft);
        }

        .faq-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0.7rem;
        }
        .faq-item {
            background: var(--bg-elevated);
            border: 1px solid var(--border);
            border-radius: 10px;
            overflow: hidden;
            transition: all 0.25s ease;
        }
        .faq-item:hover {
            border-color: var(--border-strong);
        }
        .faq-item summary {
            padding: 1.1rem 1.4rem;
            font-family: var(--font-body);
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--cream);
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            user-select: none;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::after {
            content: '+';
            font-family: var(--font-mono);
            font-size: 1.1rem;
            color: var(--amber);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }
        .faq-item[open] summary::after {
            content: '−';
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 1.4rem 1.1rem;
            font-size: 0.82rem;
            color: var(--text-secondary);
            line-height: 1.85;
        }

        .cta-section {
            padding: 2rem 0 5rem;
        }
        .cta-box {
            display: grid;
            grid-template-columns: 1fr auto;
            gap: 2.5rem;
            align-items: center;
            padding: 3rem;
            border: 1px solid var(--amber);
            border-radius: 12px;
            background: var(--bg-elevated);
            position: relative;
            overflow: hidden;
        }
        .cta-box::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 80% 50%, rgba(232, 148, 90, 0.04) 0%, transparent 60%);
            pointer-events: none;
        }
        .cta-box h2 {
            font-family: var(--font-display);
            font-size: 1.8rem;
            font-weight: 400;
            color: var(--cream);
            margin-bottom: 0.3rem;
            position: relative;
        }
        .cta-box p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            max-width: 440px;
            position: relative;
        }

        footer {
            border-top: 1px solid var(--border);
            padding: 3rem 0;
            position: relative;
            z-index: 1;
        }
        footer .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 1.5rem;
        }
        .footer-left {
            display: flex;
            align-items: center;
            gap: 2rem;
            flex-wrap: wrap;
        }
        .footer-logo {
            font-family: var(--font-display);
            font-size: 1.1rem;
            color: var(--cream);
        }
        .footer-logo em {
            color: var(--amber);
            font-style: italic;
        }
        .footer-copy {
            font-family: var(--font-mono);
            font-size: 0.7rem;
            color: var(--text-muted);
        }
        .footer-links {
            display: flex;
            gap: 1.8rem;
            flex-wrap: wrap;
        }
        .footer-links a {
            font-family: var(--font-mono);
            font-size: 0.73rem;
            color: var(--text-muted);
            transition: color 0.2s ease;
        }
        .footer-links a:hover {
            color: var(--amber);
        }

        @keyframes fadeUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .anim-up {
            animation: fadeUp 0.6s ease forwards;
        }

        @media (max-width: 1000px) {
            .scene-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        @media (max-width: 900px) {
            .section-header {
                grid-template-columns: 1fr;
                gap: 1rem;
            }
            .faq-grid {
                grid-template-columns: 1fr;
            }
            .cta-box {
                grid-template-columns: 1fr;
                text-align: center;
                padding: 2.5rem 1.8rem;
            }
            .cta-box p {
                max-width: 100%;
                margin: 0 auto;
            }
            .page-hero h1 {
                font-size: 2.3rem;
            }
        }
        @media (max-width: 600px) {
            .container {
                padding: 0 1.1rem;
            }
            header .container {
                flex-direction: column;
                height: auto;
                padding-top: 0.7rem;
                padding-bottom: 0.7rem;
                gap: 0.4rem;
            }
            .site-nav a {
                font-size: 0.66rem;
                padding: 0.3rem 0.5rem;
            }
            .scene-grid {
                grid-template-columns: 1fr 1fr;
            }
            .step-item {
                flex-direction: column;
                gap: 1rem;
                padding: 1.5rem;
            }
            .cta-box {
                padding: 2rem 1.2rem;
            }
            .cta-box h2 {
                font-size: 1.4rem;
            }
            .page-hero h1 {
                font-size: 1.9rem;
            }
            footer .container {
                flex-direction: column;
                text-align: center;
            }
            .footer-left {
                flex-direction: column;
                gap: 0.4rem;
            }
            .footer-links {
                justify-content: center;
                gap: 1.2rem;
            }
        }