:root {
        --primary: #074359;
        --secondary: #376677;
        --accent: #8B4513; 
        --light: #f8f9fa;
        --dark: #07526e;
        --white: #ffffff;
        --gray: #6c757d;
        --dark-gray: #495057;

        --brown: #8B4513;        
        --light-brown: #A0522D;  
        --dark-brown: #654321;   
        --soft-brown: #D2B48C;  

        --navy-blue: #074359;
        --highlight: #A0522D;     
        --light-highlight: #D2B48C; 
        --off-white: #f5f5f5;
        
        --transition: all 0.3s ease;
    }

        .about-hero {
            color: var(--white);
            text-align: center;
            position: relative;
            margin-top: 150px;
        }

        .about-hero h1 {
            background: linear-gradient(to bottom, #407284, #ffffff, #407284);
            width: 50%;
            margin-left: 320px;
            border-bottom-right-radius: 50px;
            border-top-left-radius: 50px;
            font-size: 2.8rem;
            margin-bottom: 20px;
            color: var(--primary);
        }

        .about-hero p {
            color: var(--brown);
            font-size: large;
        }

        .history-section {
            padding: 80px 0;
            background-color: var(--off-white);
        }

        .history-container {
            max-width: 1000px;
            margin: 0 auto;
        }

        .history-card {
            background-color: var(--white);
            border-radius: 10px;
            box-shadow: 0 5px 15px var(--dark);
            padding: 40px;
            margin-bottom: 40px;
            border-top: 5px solid var(--brown);
            position: relative;
            overflow: hidden;
        }

        .history-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('img/old-paper-texture.png');
            opacity: 0.05;
            pointer-events: none;
        }

        .timeline {
            position: relative;
            padding-left: 50px;
        }

        .timeline::before {
            content: '';
            position: absolute;
            top: 0;
            left: 20px;
            height: 100%;
            width: 3px;
            background-color: var(--brown);
        }

        .timeline-item {
            position: relative;
            margin-bottom: 40px;
        }

        .timeline-year {
            position: absolute;
            left: -50px;
            top: 0;
            width: 40px;
            height: 40px;
            background-color: var(--brown);
            color: var(--white);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            box-shadow: 0 4px 10px rgba(139, 69, 19, 0.3);
        }

        .timeline-content {
            background-color: var(--white);
            padding: 20px;
            border-radius: 8px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            border-left: 3px solid var(--navy-blue);
        }

        .milestones-section {
            padding: 80px 0;
            background: linear-gradient(135deg, var(--navy-blue) 0%, var(--primary) 100%);
            color: var(--white);
        }

        .milestone-card {
            background-color: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(5px);
            border-radius: 10px;
            padding: 30px;
            margin-bottom: 30px;
            transition: var(--transition);
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .milestone-card:hover {
            transform: translateY(-10px);
            background-color: rgba(255, 255, 255, 0.15);
        }

        .milestone-icon {
            font-size: 2.5rem;
            color: var(--light-highlight);
            margin-bottom: 20px;
        }

        .vision-section {
            padding: 80px 0;
            background-color: var(--white);
        }

        .vision-card {
            background-color: var(--off-white);
            border-radius: 10px;
            padding: 40px;
            text-align: center;
            height: 100%;
            border-bottom: 5px solid var(--brown);
            box-shadow: 0 5px 15px var(--dark);
        }

        @media (max-width: 768px) {
            .about-hero {
                /* padding: 100px 0 60px; */
                margin-top: 150px;
            }
            
            .about-hero h1 {
                font-size: 2.2rem;
                font-size: 2.2rem;
                margin-left: 0px;
                width: 100%;
                
            }
            
            .history-card {
                padding: 30px 20px;
            }
            
            .timeline {
                padding-left: 40px;
            }
            
            .timeline-year {
                left: -40px;
                width: 35px;
                height: 35px;
                font-size: 0.9rem;
            }
        }

        @media (max-width: 576px) {
            .about-hero h1 {
                font-size: 1.8rem;
            }
            
            .timeline::before {
                left: 15px;
            }
            
            .timeline-year {
                left: -35px;
                width: 30px;
                height: 30px;
                font-size: 0.8rem;
            }
        }