:root {
            --primary: rgb(68, 71, 90);
            --primary-light: rgb(88, 92, 115);
            --primary-dark: rgb(48, 51, 65);
            --accent: #e63946;
            --text-dark: #1f2937;
            --text-muted: #6b7280;
            --bg-body: #f9fafb;
            --border-color: #e5e7eb;
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        body { font-family: sans-serif; background-color: var(--bg-body); color: var(--text-dark); line-height: 1.6; }
        a { text-decoration: none; color: inherit; }
        ul { list-style: none; }
        img { max-width: 100%; display: block; }
        .container { max-width: 1000px; margin: 0 auto; padding: 0 20px; }
        
        
        .site-header { background-color: var(--primary); color: #fff; position: sticky; top: 0; z-index: 100; box-shadow: 0 2px 10px rgba(0,0,0,0.1); }
        .header-inner { display: flex; align-items: center; justify-content: space-between; height: 70px; padding: 0 20px; max-width: 1200px; margin: 0 auto; }
        .logo { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; }
        .logo img { display: block; height: 40px; width: auto; max-width: 160px; object-fit: contain; flex-shrink: 0; }
        .logo span { display: inline-block; font-size: 22px; font-weight: 800; line-height: 1; color: #ffffff; white-space: nowrap; }
        .desktop-nav { display: flex; gap: 30px; }
        .desktop-nav a { font-size: 16px; font-weight: 500; opacity: 0.9; }
        .desktop-nav a:hover { opacity: 1; color: #fff; }
        .header-actions { display: flex; align-items: center; gap: 15px; }
        .btn { display: inline-flex; align-items: center; justify-content: center; padding: 10px 24px; border-radius: 8px; font-weight: 600; cursor: pointer; border: 2px solid #fff; color: #fff; }
        .btn:hover { background-color: #fff; color: var(--primary); }
        .mobile-toggle { display: none; background: none; border: none; cursor: pointer; padding: 5px; flex-direction: column; gap: 5px; }
        .mobile-toggle span { display: block; width: 24px; height: 2px; background-color: #fff; transition: 0.3s; }
        
        .drawer { position: fixed; inset: 0; z-index: 1000; pointer-events: none; visibility: hidden; }
        .drawer.active { pointer-events: auto; visibility: visible; }
        .drawer-overlay { position: absolute; inset: 0; background: rgba(0,0,0,0.5); opacity: 0; transition: 0.3s; }
        .drawer.active .drawer-overlay { opacity: 1; }
        .drawer-content { position: absolute; top: 0; bottom: 0; left: 0; width: 280px; background: #fff; transform: translateX(-100%); transition: 0.3s; display: flex; flex-direction: column; }
        .drawer.active .drawer-content { transform: translateX(0); }
        .drawer-header { padding: 20px; border-bottom: 1px solid var(--border-color); display: flex; justify-content: space-between; align-items: center; background: var(--primary); }
        .drawer-header .logo span { color: #fff; font-size: 18px; }
        .drawer-close { background: none; border: none; font-size: 28px; color: #fff; cursor: pointer; }
        .drawer-nav { padding: 20px; overflow-y: auto; flex: 1; display: flex; flex-direction: column; gap: 15px; }
        .drawer-nav a { display: block; font-size: 16px; padding: 8px 0; border-bottom: 1px dashed var(--border-color); }

        
        .about-hero { background: linear-gradient(rgba(68,71,90,0.9), rgba(48,51,65,0.9)), url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100"><rect width="100" height="100" fill="%23eee"/></svg>') center/cover; padding: 100px 0; text-align: center; color: #fff; }
        .about-hero h1 { font-size: 40px; margin-bottom: 20px; }
        .about-hero p { font-size: 18px; max-width: 600px; margin: 0 auto; opacity: 0.9; }

        .about-content { padding: 60px 0; background: #fff; border-radius: 16px; margin-top: -40px; position: relative; box-shadow: 0 10px 30px rgba(0,0,0,0.05); margin-bottom: 60px; }
        
        .mission-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; padding: 40px; align-items: center; }
        .mission-text h2 { font-size: 28px; color: var(--primary); margin-bottom: 20px; }
        .mission-text p { color: var(--text-muted); margin-bottom: 15px; font-size: 16px; }
        .mission-visual { background: var(--bg-body); border-radius: 12px; padding: 30px; border: 1px solid var(--border-color); position: relative; }
        .mission-visual::after { content: ''; position: absolute; top: -10px; right: -10px; width: 40px; height: 40px; background: var(--accent); opacity: 0.2; border-radius: 50%; }
        
        .core-values { padding: 0 40px 40px; }
        .values-title { text-align: center; font-size: 24px; margin-bottom: 30px; color: var(--primary); border-bottom: 2px solid var(--accent); display: inline-block; padding-bottom: 10px; }
        .value-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
        .v-card { padding: 25px; background: var(--bg-body); border-radius: 8px; text-align: center; border-top: 3px solid transparent; transition: 0.3s; }
        .v-card:hover { border-top-color: var(--accent); background: #fff; box-shadow: 0 4px 12px rgba(0,0,0,0.05); }
        .v-icon { font-size: 30px; margin-bottom: 15px; display: block; }
        
        
        .site-footer { background-color: var(--primary-dark); color: #d1d5db; padding: 60px 0 0 0; }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; max-width: 1200px; margin-left: auto; margin-right: auto; padding: 0 20px; }
        .footer-brand .logo span { color: #fff; }
        .footer-desc { margin-top: 15px; font-size: 14px; opacity: 0.8; line-height: 1.8; }
        .footer-title { color: #fff; font-size: 18px; font-weight: 600; margin-bottom: 20px; position: relative; padding-bottom: 10px; }
        .footer-title::after { content: ''; position: absolute; left: 0; bottom: 0; width: 30px; height: 2px; background: var(--accent); }
        .footer-links ul { display: flex; flex-direction: column; gap: 10px; }
        .footer-links a { font-size: 14px; transition: color 0.3s; }
        .footer-links a:hover { color: #fff; }
        .footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding: 20px 0; text-align: center; font-size: 14px; opacity: 0.6; }

        @media (max-width: 768px) {
            .desktop-nav, .header-actions .btn { display: none; }
            .mobile-toggle { display: flex; }
            .mission-grid { grid-template-columns: 1fr; padding: 20px; }
            .value-cards { grid-template-columns: 1fr; }
            .core-values { padding: 0 20px 40px; }
            .footer-grid { grid-template-columns: 1fr; }
        }