:root {
            --clean-bg: #FFFFFF;
            --clean-surface: #F7F8FA;
            --clean-border: #E8EAED;
            --clean-gold: #F0B90B;
            --clean-gold-light: #FEF3C7;
            --clean-text: #1F2937;
            --clean-muted: #6B7280;
            --clean-dark: #111827;
        }
        * { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body { font-family: 'Plus Jakarta Sans', -apple-system, sans-serif; background: var(--clean-bg); color: var(--clean-text); line-height: 1.6; }

        /* Navigation */
        .nav { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; background: rgba(255,255,255,0.95); backdrop-filter: blur(10px); border-bottom: 1px solid var(--clean-border); }
        .nav-inner { max-width: 1200px; margin: 0 auto; height: 68px; display: flex; align-items: center; justify-content: space-between; padding: 0 32px; }
        .logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
        .logo-icon { width: 36px; height: 36px; background: var(--clean-gold); border-radius: 8px; display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 16px; color: #fff; }
        .logo-text { font-weight: 700; font-size: 18px; color: var(--clean-dark); }
        .nav-links { display: flex; gap: 32px; }
        .nav-links a { color: var(--clean-muted); text-decoration: none; font-size: 14px; font-weight: 500; transition: color 0.2s; }
        .nav-links a:hover { color: var(--clean-dark); }
        .nav-cta { background: var(--clean-gold); color: #fff; padding: 10px 24px; font-size: 14px; font-weight: 600; text-decoration: none; border-radius: 8px; transition: all 0.2s; }
        .nav-cta:hover { background: #D97706; transform: translateY(-1px); }

        /* Hero */
        .hero { min-height: 100vh; display: flex; align-items: center; padding: 120px 32px 80px; background: linear-gradient(180deg, var(--clean-surface) 0%, var(--clean-bg) 100%); }
        .hero-inner { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
        .hero-tag { display: inline-flex; align-items: center; background: var(--clean-gold-light); padding: 6px 14px; border-radius: 100px; font-size: 12px; font-weight: 600; color: #92400E; margin-bottom: 24px; }
        .hero-tag::before { content: ''; width: 6px; height: 6px; background: var(--clean-gold); border-radius: 50%; margin-right: 8px; }
        .hero h1 { font-size: clamp(36px, 5vw, 52px); font-weight: 800; line-height: 1.15; margin-bottom: 20px; color: var(--clean-dark); letter-spacing: -1px; }
        .hero p { font-size: 17px; color: var(--clean-muted); margin-bottom: 36px; max-width: 460px; line-height: 1.8; }
        .hero-btns { display: flex; gap: 12px; flex-wrap: wrap; }
        .btn-primary { display: inline-flex; align-items: center; gap: 8px; background: var(--clean-gold); color: #fff; padding: 14px 28px; font-size: 14px; font-weight: 600; text-decoration: none; border-radius: 8px; transition: all 0.2s; }
        .btn-primary:hover { background: #D97706; }
        .btn-secondary { display: inline-flex; align-items: center; gap: 8px; background: var(--clean-bg); border: 1px solid var(--clean-border); color: var(--clean-text); padding: 14px 28px; font-size: 14px; font-weight: 500; text-decoration: none; border-radius: 8px; transition: all 0.2s; }
        .btn-secondary:hover { border-color: var(--clean-muted); }

        /* Hero visual */
        .hero-card { background: var(--clean-bg); border: 1px solid var(--clean-border); border-radius: 16px; padding: 32px; box-shadow: 0 4px 24px rgba(0,0,0,0.04); }
        .hero-card-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 28px; }
        .hero-card-title { font-size: 13px; font-weight: 600; color: var(--clean-muted); }
        .hero-card-badge { background: #DCFCE7; color: #166534; padding: 4px 10px; border-radius: 100px; font-size: 11px; font-weight: 600; }
        .hero-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
        .hero-stat { text-align: center; padding: 20px; background: var(--clean-surface); border-radius: 10px; }
        .hero-stat-num { font-size: 20px; font-weight: 700; color: var(--clean-dark); margin-bottom: 4px; }
        .hero-stat-label { font-size: 11px; color: var(--clean-muted); }

        /* Section */
        .section { padding: 100px 32px; }
        .section-surface { background: var(--clean-surface); }
        .section-inner { max-width: 1200px; margin: 0 auto; }
        .section-tag { display: inline-block; background: var(--clean-gold-light); padding: 4px 12px; border-radius: 100px; font-size: 11px; font-weight: 600; color: #92400E; margin-bottom: 16px; letter-spacing: 0.5px; }
        .section-title { font-size: clamp(28px, 3.5vw, 36px); font-weight: 700; color: var(--clean-dark); margin-bottom: 16px; letter-spacing: -0.5px; }
        .section-subtitle { font-size: 16px; color: var(--clean-muted); max-width: 520px; line-height: 1.8; }

        /* Features */
        .features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 48px; }
        .feature-card { background: var(--clean-bg); border: 1px solid var(--clean-border); border-radius: 12px; padding: 28px; transition: all 0.2s; }
        .feature-card:hover { box-shadow: 0 4px 20px rgba(0,0,0,0.06); }
        .feature-icon { width: 48px; height: 48px; background: var(--clean-surface); border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 20px; margin-bottom: 20px; }
        .feature-title { font-size: 16px; font-weight: 600; color: var(--clean-dark); margin-bottom: 10px; }
        .feature-desc { font-size: 14px; color: var(--clean-muted); line-height: 1.7; }

        /* Stats */
        .stats-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 48px; }
        .stat-box { background: var(--clean-bg); border: 1px solid var(--clean-border); border-radius: 12px; padding: 28px; text-align: center; }
        .stat-num { font-size: 28px; font-weight: 700; color: var(--clean-dark); margin-bottom: 4px; }
        .stat-label { font-size: 12px; color: var(--clean-muted); }

        /* Products */
        .products-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 48px; }
        .product-card { background: var(--clean-bg); border: 1px solid var(--clean-border); border-radius: 12px; padding: 24px; transition: all 0.2s; }
        .product-card:hover { box-shadow: 0 4px 20px rgba(0,0,0,0.06); }
        .product-icon { width: 44px; height: 44px; background: var(--clean-gold-light); border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 18px; margin-bottom: 16px; }
        .product-title { font-size: 15px; font-weight: 600; color: var(--clean-dark); margin-bottom: 8px; }
        .product-desc { font-size: 13px; color: var(--clean-muted); line-height: 1.6; margin-bottom: 14px; }
        .product-link { font-size: 13px; font-weight: 600; color: var(--clean-gold); text-decoration: none; }
        .product-link:hover { color: #D97706; }

        /* Security */
        .security-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 48px; }
        .security-card { text-align: center; padding: 32px 16px; }
        .security-icon { font-size: 28px; margin-bottom: 16px; }
        .security-title { font-size: 14px; font-weight: 600; color: var(--clean-dark); margin-bottom: 8px; }
        .security-desc { font-size: 12px; color: var(--clean-muted); line-height: 1.6; }

        /* CTA */
        .cta-section { padding: 100px 32px; background: var(--clean-surface); text-align: center; }
        .cta-inner { max-width: 600px; margin: 0 auto; }
        .cta-title { font-size: clamp(24px, 3vw, 32px); font-weight: 700; color: var(--clean-dark); margin-bottom: 16px; }
        .cta-desc { font-size: 16px; color: var(--clean-muted); margin-bottom: 36px; line-height: 1.8; }
        .cta-btns { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

        /* Footer */
        .footer { border-top: 1px solid var(--clean-border); padding: 48px 32px 36px; }
        .footer-inner { max-width: 1200px; margin: 0 auto; text-align: center; }
        .footer-logo { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 16px; }
        .footer-logo-icon { width: 28px; height: 28px; background: var(--clean-gold); border-radius: 6px; display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 12px; color: #fff; }
        .footer-logo-text { font-weight: 700; font-size: 14px; color: var(--clean-dark); }
        .footer-text { font-size: 12px; color: var(--clean-muted); line-height: 1.8; max-width: 400px; margin: 0 auto; }

        /* Responsive */
        @media (max-width: 768px) {
            .nav-links { display: none; }
            .hero-inner { grid-template-columns: 1fr; gap: 60px; }
            .hero-stats { grid-template-columns: 1fr; }
            .features-grid, .products-grid, .security-grid { grid-template-columns: 1fr; }
            .stats-row { grid-template-columns: repeat(2, 1fr); gap: 12px; }
        }