* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    padding: 20px;
}

.about-container {
    max-width: 1200px;
    margin: 0 auto;
    margin-top: 75px;
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: #333;
}

.about-section {
    display: flex;
    gap: 40px;
    margin-bottom: 40px;
}

.profile-box {
    flex: 0 0 300px;
    background: #f5f5f5;
    padding: 20px;
    border-radius: 8px;
}

.profile-image {
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-radius: 4px;
    margin-bottom: 20px;
}

.profile-text h2 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #444;
}

.content {
    flex: 1;
}

.content-section {
    margin-bottom: 30px;
}

.content-section h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #555;
}

.content-section p {
    color: #666;
}

@media (max-width: 768px) {
    .about-section {
        flex-direction: column;
        gap: 30px;
    }

    .profile-box {
        flex: none;
        width: 100%;
        text-align: center;
    }

    .profile-image {
        height: 200px;
        max-width: 200px;
        margin-left: auto;
        margin-right: auto;
    }

    h1 {
        font-size: 2rem;
        text-align: center;
    }

    .profile-text h2 {
        font-size: 1.3rem;
    }

    .content-section h3 {
        font-size: 1.2rem;
    }
}

.about-container section {
    margin: 60px 0;
    
}

.full-width-image {
    width: 100%;
    max-width: 1000px;
    height: 400px;
    object-fit: cover;
    border-radius: 15px;
    margin: 30px auto;
    display: block;
}

.content-heading {
    font-size: 2rem;
    color: #333;
    margin: 30px 0 20px;
    text-align: center;
}

.content-heading-upper {
    font-size: 3rem;
    color: #333;
    margin: 30px 0 20px;
    text-align: center;
    margin-top: 100px;
}

.intro-text {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 40px;
    color: #666;
}

.specs-table {
    width: 100%;
    max-width: 800px;
    margin: 20px auto;
    border-collapse: collapse;
}

.specs-table td {
    padding: 15px;
    border: 1px solid #ddd;
    vertical-align: top;
}

.specs-table td:first-child {
    font-weight: bold;
    width: 40%;
    background-color: #f9f9f9;
}

@media (max-width: 768px) {
    .full-width-image {
        height: 250px;
        border-radius: 10px;
        margin: 20px auto;
    }

    .content-heading {
        font-size: 1.6rem;
        margin: 25px 0 15px;
    }

    .intro-text {
        padding: 0 15px;
    }

    .specs-table {
        font-size: 0.9em;
    }

    .specs-table td {
        padding: 10px;
    }
}

.checklist-container {
    max-width: 600px;
    margin: 40px auto;
    padding: 20px;
}

.checklist-heading {
    font-size: 2rem;
    color: #333;
    margin-bottom: 25px;
    text-align: center;
    margin-top: 75px;
}

.checklist-list {
    list-style: none;
    padding-left: 0;
}

.checklist-item {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
    padding: 12px;
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 6px;
}

.checkbox {
    width: 20px;
    height: 20px;
    border: 2px solid #666;
    border-radius: 4px;
    margin-right: 15px;
    flex-shrink: 0;
}

.checklist-text {
    color: #444;
}

@media (max-width: 768px) {
    .checklist-container {
        padding: 10px;
        margin: 30px auto;
    }

    .checklist-heading {
        font-size: 1.4rem;
    }

    .checklist-item {
        margin-bottom: 10px;
        padding: 8px;
    }

    .checkbox {
        width: 18px;
        height: 18px;
        margin-right: 12px;
    }
}