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

/* bg + overlay */
body {
    background: url("img/com.JPG") center/cover no-repeat fixed;
    position: relative;
    font-family: 'Pathway Extreme', sans-serif;
}
/* =========================================
   PAGE BACKGROUND (เฉพาะหน้านี้)
   ========================================= */
body {
    /* พื้นหลังรูป com.JPG */
    background: url("img/com.JPG") center/cover no-repeat fixed;
    position: relative;
    font-family: 'Pathway Extreme', sans-serif;
}

/* =========================================
   HEADER SECTION (ส่วนหัวสีเทา)
   ========================================= */
.header {
    width: 100%;
    height: 300px;
    /* เว้นระยะลงมา 100px เพราะ Navbar เป็นแบบ Fixed */
    padding-top: 100px; 
    background: linear-gradient(to bottom, #9ea3a8, #b7bcc1);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.header img {
    width: 220px;
    margin-bottom: 20px;
}

.header h1 {
    color: #ffffff;
    font-size: 48px;
    font-weight: 700;
    text-shadow: 0 4px 8px rgba(0, 0, 0, 0.25);
}

/* =========================================
   CONTENT SECTION (กล่องเนื้อหาสีขาว)
   ========================================= */
.section-bg {
    padding: 100px 20px;
    display: flex;
    justify-content: center;
}

.content-card {
    background: rgba(255, 255, 255, 0.95);
    max-width: 900px;
    width: 100%;
    padding: 50px 60px;
    border-radius: 15px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.35);
}

.content-card p {
    font-size: 17px;
    line-height: 1.8;
    color: #333;
    margin-bottom: 20px;
}

/* =========================================
   RESPONSIVE (เฉพาะส่วนเนื้อหาหน้านี้)
   ========================================= */
@media(max-width: 768px) {

    .header {
        height: 200px;
    }

    .header img {
        width: 160px;
    }

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

    .section-bg {
        padding: 60px 15px;
    }

    .content-card {
        padding: 25px 20px;
        border-radius: 10px;
    }

    .content-card p {
        font-size: 14px;
        line-height: 1.6;
    }
}