* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

body {
    background-color: #f4f7f6;
    color: #2c3e50;
    line-height: 1.6;
}

.about-container {
    max-width: 800px;
    margin: 40px auto;
    padding: 20px;
    animation: fadeIn 0.5s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.about-header {
    text-align: center;
    padding: 60px 30px;
    background: linear-gradient(135deg, #3b665b, #2c4d44);
    color: white;
    border-radius: 16px;
    margin-bottom: 40px;
    box-shadow: 0 10px 30px rgba(59, 102, 91, 0.2);
    position: relative;
    overflow: hidden;
}

.about-header::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 60%);
    transform: rotate(30deg);
}

.about-header h1 {
    font-size: 36px;
    margin-bottom: 15px;
    font-weight: 800;
    letter-spacing: -0.5px;
    position: relative;
    z-index: 1;
}

.about-content {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.about-card {
    background: #ffffff;
    padding: 30px;
    border-radius: 16px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.05);
    border-left: 6px solid #3b665b;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.about-card:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.about-card h2 {
    color: #2c3e50;
    margin-bottom: 15px;
    font-size: 24px;
    font-weight: 700;
}

.about-card p {
    font-size: 16px;
    color: #555;
    margin-bottom: 10px;
    line-height: 1.8;
}

/* សម្រាប់អេក្រង់ទូរស័ព្ទដៃ */
@media (max-width: 768px) {
    .about-header {
        padding: 40px 20px;
        border-radius: 12px;
    }

    .about-header h1 {
        font-size: 28px;
    }

    .about-card {
        padding: 25px;
        border-radius: 12px;
    }
}