:root {
            --bg-dark: #0a0a0a;
            --bg-card: #141414;
            --bg-card-hover: #1a1a1a;
            --accent: #ff6b00;
            --accent-glow: rgba(255, 107, 0, 0.3);
            --text-primary: #ffffff;
            --text-secondary: #a0a0a0;
            --text-muted: #666666;
            --border: #2a2a2a;
            --success: #00c853;
            --warning: #ff3d00;
        }
        * { margin: 0; padding: 0; box-sizing: border-box; }
        body {
            font-family: 'Barlow', sans-serif;
            background: var(--bg-dark);
            color: var(--text-primary);
            line-height: 1.6;
            min-height: 100vh;
        }
        body::before {
            content: '';
            position: fixed; top: 0; left: 0; width: 100%; height: 100%;
            background-image:
                linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
            background-size: 50px 50px;
            pointer-events: none; z-index: 0;
        }
        .container { max-width: 1400px; margin: 0 auto; padding: 2rem; position: relative; z-index: 1; }
        header { text-align: center; padding: 3rem 0 4rem; position: relative; }
        .logo-text {
            font-family: 'Bebas Neue', sans-serif;
            font-size: clamp(3rem, 8vw, 6rem);
            letter-spacing: 0.1em; line-height: 1;
            background: linear-gradient(180deg, #ffffff 0%, #888888 100%);
            -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
        }
        .logo-accent { color: var(--accent); -webkit-text-fill-color: var(--accent); }
        .tagline {
            font-family: 'Barlow Condensed', sans-serif; font-size: 1.25rem;
            color: var(--text-secondary); letter-spacing: 0.3em; text-transform: uppercase; margin-top: 0.5rem;
        }
        .header-line { width: 200px; height: 3px; background: linear-gradient(90deg, transparent, var(--accent), transparent); margin: 2rem auto 0; }
        .nav-pills {
            display: flex; flex-wrap: wrap; justify-content: center; gap: 0.5rem;
            margin-bottom: 3rem; padding: 1rem;
            background: var(--bg-card); border-radius: 8px; border: 1px solid var(--border);
        }
        .nav-pill {
            padding: 0.6rem 1.2rem; background: transparent; border: 1px solid var(--border);
            border-radius: 4px; color: var(--text-secondary);
            font-family: 'Barlow Condensed', sans-serif; font-size: 0.9rem;
            letter-spacing: 0.1em; text-transform: uppercase; cursor: pointer;
            transition: all 0.2s ease; text-decoration: none;
        }
        .nav-pill:hover { background: var(--accent); border-color: var(--accent); color: var(--bg-dark); }
        .section { margin-bottom: 3rem; scroll-margin-top: 2rem; }
        .section-header {
            display: flex; align-items: center; gap: 1rem;
            margin-bottom: 1.5rem; padding-bottom: 1rem; border-bottom: 1px solid var(--border);
        }
        .section-icon {
            width: 48px; height: 48px;
            background: linear-gradient(135deg, var(--accent), #ff8c00);
            border-radius: 8px; display: flex; align-items: center; justify-content: center;
            font-size: 1.5rem; box-shadow: 0 4px 20px var(--accent-glow); flex-shrink: 0;
        }
        .section-title { font-family: 'Bebas Neue', sans-serif; font-size: 2rem; letter-spacing: 0.05em; }
        .section-subtitle { font-size: 0.875rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.1em; }
        .price-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1rem; }
        .price-card {
            background: var(--bg-card); border: 1px solid var(--border);
            border-radius: 8px; padding: 1.25rem; transition: all 0.2s ease;
            position: relative; overflow: hidden;
        }
        .price-card::before {
            content: ''; position: absolute; top: 0; left: 0; width: 3px; height: 100%;
            background: var(--accent); opacity: 0; transition: opacity 0.2s ease;
        }
        .price-card:hover { background: var(--bg-card-hover); border-color: var(--accent); transform: translateX(4px); }
        .price-card:hover::before { opacity: 1; }
        .price-item { display: flex; justify-content: space-between; align-items: center; }
        .price-name { font-weight: 500; color: var(--text-primary); }
        .price-value { font-family: 'Barlow Condensed', sans-serif; font-size: 1.25rem; font-weight: 600; color: var(--accent); }
        .price-note { font-size: 0.8rem; color: var(--text-muted); margin-top: 0.5rem; font-style: italic; }
        .full-upgrade-card { background: linear-gradient(135deg, rgba(255, 107, 0, 0.1), transparent); border-color: var(--accent); }
        .full-upgrade-card .price-value { font-size: 1.5rem; }
        .two-col { display: grid; grid-template-columns: repeat(auto-fit, minmax(400px, 1fr)); gap: 2rem; }
        .subsection { background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px; padding: 1.5rem; }
        .subsection-title {
            font-family: 'Bebas Neue', sans-serif; font-size: 1.5rem; color: var(--accent);
            margin-bottom: 1rem; display: flex; align-items: center; gap: 0.5rem;
        }
        .subsection-title::before { content: '▸'; color: var(--accent); }
        .price-list { display: flex; flex-direction: column; gap: 0.75rem; }
        .price-row {
            display: flex; justify-content: space-between; align-items: center;
            padding: 0.75rem 1rem; background: rgba(255,255,255,0.02); border-radius: 6px; transition: background 0.2s;
        }
        .price-row:hover { background: rgba(255, 107, 0, 0.1); }
        .price-row .name { color: var(--text-primary); }
        .price-row .amount { font-family: 'Barlow Condensed', sans-serif; font-size: 1.1rem; font-weight: 600; color: var(--accent); }
        .notice {
            background: rgba(255, 107, 0, 0.1); border: 1px solid var(--accent);
            border-radius: 8px; padding: 1rem 1.25rem; margin: 1rem 0; font-size: 0.9rem; color: var(--text-secondary);
        }
        .notice strong { color: var(--accent); }
        .warning-box {
            background: rgba(255, 61, 0, 0.15); border: 2px solid var(--warning);
            border-radius: 8px; padding: 1.5rem; margin: 2rem 0; text-align: center;
        }
        .warning-box .warning-title {
            font-family: 'Bebas Neue', sans-serif; font-size: 1.5rem; color: var(--warning);
            margin-bottom: 0.5rem; display: flex; align-items: center; justify-content: center; gap: 0.5rem;
        }
        .warning-box p { color: var(--text-secondary); font-size: 0.95rem; }
        .info-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.5rem; margin-top: 2rem; }
        .info-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px; padding: 1.5rem; }
        .info-card-title {
            font-family: 'Bebas Neue', sans-serif; font-size: 1.25rem; color: var(--accent);
            margin-bottom: 1rem; padding-bottom: 0.5rem; border-bottom: 1px solid var(--border);
        }
        .info-card ul { list-style: none; }
        .info-card li { padding: 0.5rem 0; color: var(--text-secondary); font-size: 0.9rem; display: flex; align-items: flex-start; gap: 0.5rem; }
        .info-card li::before { content: '•'; color: var(--accent); font-weight: bold; }
        footer { text-align: center; padding: 3rem 0; margin-top: 4rem; border-top: 1px solid var(--border); }
        .footer-logo { font-family: 'Bebas Neue', sans-serif; font-size: 1.5rem; letter-spacing: 0.1em; color: var(--text-muted); }
        .footer-text { color: var(--text-muted); font-size: 0.85rem; margin-top: 0.5rem; }
        .back-button {
            display: inline-flex; align-items: center; gap: 0.5rem;
            padding: 0.6rem 1.2rem; background: var(--bg-card); border: 1px solid var(--border);
            border-radius: 6px; color: var(--text-secondary); text-decoration: none;
            font-family: 'Barlow Condensed', sans-serif; font-size: 0.95rem;
            letter-spacing: 0.05em; text-transform: uppercase; transition: all 0.2s ease; margin-bottom: 2rem;
        }
        .back-button:hover { background: var(--accent); border-color: var(--accent); color: var(--bg-dark); }
        .back-arrow { font-size: 1.1rem; transition: transform 0.2s ease; }
        .back-button:hover .back-arrow { transform: translateX(-3px); }
        .back-to-top {
            position: fixed; bottom: 30px; right: 30px; width: 50px; height: 50px;
            background: linear-gradient(135deg, var(--accent), #ff8c00); border: none; border-radius: 50%;
            color: var(--bg-dark); font-size: 1.5rem; cursor: pointer;
            display: flex; align-items: center; justify-content: center;
            box-shadow: 0 4px 20px var(--accent-glow);
            opacity: 0; visibility: hidden; transform: translateY(20px); transition: all 0.3s ease; z-index: 1000;
        }
        .back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
        .back-to-top:hover { transform: translateY(-3px); }
        .loading-state { text-align: center; padding: 4rem 0; color: var(--text-muted); font-family: 'Barlow Condensed', sans-serif; font-size: 1.1rem; letter-spacing: 0.1em; }
        @media (max-width: 768px) {
            .container { padding: 1rem; }
            .two-col { grid-template-columns: 1fr; }
            .price-grid { grid-template-columns: 1fr; }
            .nav-pills { gap: 0.25rem; }
            .nav-pill { padding: 0.5rem 0.8rem; font-size: 0.8rem; }
            .back-to-top { bottom: 20px; right: 20px; width: 45px; height: 45px; font-size: 1.25rem; }
        }
        html { scroll-behavior: smooth; }