:root { --primary: rgb(101,163,13); --primary-light: #ecfccb; --text-main: #1f2937; --text-muted: #6b7280; --bg-body: #f9fafb; --border-color: #e5e7eb; --header-h: 72px; }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        body { font-family: -apple-system, sans-serif; background: var(--bg-body); color: var(--text-main); line-height: 1.6; }
        a { text-decoration: none; color: inherit; }
        img { max-width: 100%; display: block; }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
        
        
        .header { background: #fff; box-shadow: 0 2px 10px rgba(0,0,0,0.05); position: sticky; top: 0; z-index: 100; height: var(--header-h); }
        .header .container { display: flex; align-items: center; justify-content: space-between; height: 100%; }
        .logo { display: inline-flex; align-items: center; gap: 12px; }
        .logo img { height: 40px; max-width: 160px; object-fit: contain; }
        .logo span { font-size: 20px; font-weight: 800; color: var(--primary); }
        .desktop-nav { display: flex; gap: 24px; }
        .desktop-nav a { font-weight: 500; padding: 8px 12px; border-radius: 6px; }
        .desktop-nav a:hover { color: var(--primary); background: var(--primary-light); }
        .mobile-menu-btn { display: none; font-size: 24px; background: none; border: none; cursor: pointer; }
        
        
        .drawer-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.5); z-index: 999; opacity: 0; visibility: hidden; transition: 0.3s; }
        .drawer-overlay.active { opacity: 1; visibility: visible; }
        .mobile-drawer { position: fixed; top: 0; left: -300px; width: 280px; height: 100%; background: #fff; z-index: 1000; transition: 0.3s; display: flex; flex-direction: column; }
        .mobile-drawer.active { left: 0; }
        .drawer-header { padding: 20px; border-bottom: 1px solid var(--border-color); display: flex; justify-content: space-between; align-items: center; }
        .drawer-close { font-size: 24px; background: none; border: none; cursor: pointer; }
        .drawer-nav { padding: 20px; overflow-y: auto; }
        .drawer-nav a { display: block; padding: 12px 0; border-bottom: 1px dashed var(--border-color); }

        
        .about-hero { background: linear-gradient(rgba(17,24,39,0.8), rgba(17,24,39,0.9)), url('https://images.unsplash.com/photo-1460925895917-afdab827c52f?auto=format&fit=crop&q=80&w=1200') center/cover; color: #fff; padding: 100px 0; text-align: center; }
        .about-hero h1 { font-size: 40px; font-weight: 800; margin-bottom: 20px; }
        .about-hero h1 span { color: var(--primary); }
        .about-hero p { font-size: 18px; max-width: 700px; margin: 0 auto; color: #d1d5db; }

        
        .about-section { padding: 80px 0; background: #fff; }
        .about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
        .about-text h2 { font-size: 32px; color: var(--primary); margin-bottom: 20px; }
        .about-text p { margin-bottom: 15px; font-size: 16px; color: var(--text-muted); line-height: 1.8; }
        .about-img img { border-radius: 12px; box-shadow: 0 20px 40px rgba(0,0,0,0.1); }

        
        .feature-box { background: var(--bg-body); padding: 80px 0; }
        .feature-title { text-align: center; font-size: 32px; margin-bottom: 50px; font-weight: 800; }
        .f-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
        .f-card { background: #fff; padding: 40px 30px; border-radius: 12px; text-align: center; border: 1px solid var(--border-color); box-shadow: 0 4px 6px rgba(0,0,0,0.02); }
        .f-icon { width: 60px; height: 60px; background: var(--primary-light); color: var(--primary); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 24px; font-weight: bold; margin: 0 auto 20px; }
        .f-card h3 { font-size: 20px; margin-bottom: 15px; }
        .f-card p { color: var(--text-muted); font-size: 15px; }

        
        .footer { background: #111827; color: #d1d5db; padding: 60px 0 20px; }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
        .footer-brand p { margin-top: 16px; font-size: 14px; color: #9ca3af; }
        .footer-title { color: #fff; font-size: 16px; font-weight: bold; margin-bottom: 20px; }
        .footer-links li { margin-bottom: 10px; }
        .footer-links a:hover { color: var(--primary); }
        .footer-bottom { border-top: 1px solid #374151; padding-top: 20px; text-align: center; font-size: 14px; display: flex; justify-content: space-between;}
        .footer-bottom a { margin-left: 15px; }

        @media (max-width: 768px) {
            .desktop-nav { display: none; }
            .mobile-menu-btn { display: block; }
            .about-grid { grid-template-columns: 1fr; gap: 40px; }
            .f-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; gap: 30px; }
            .footer-bottom { flex-direction: column; gap: 10px; }
            .about-hero h1 { font-size: 32px; }
        }