main{
    background-image: linear-gradient(rgba(255, 255, 255, 0.6), rgba(255, 255, 255, 0.6)), url('../images/bg-about.jpg');
    background-repeat: no-repeat;
    background-position: bottom center;
    background-size: 100%;
    background-color: #ffffff; /* ป้องกันในกรณีที่โหลดภาพไม่ขึ้น */
}

.page-banner {
    width: 100%;
    background: linear-gradient(135deg, rgba(12,127,234,0.7), rgba(12,127,234,0.5)), 
                url('https://images.unsplash.com/photo-1473341304170-971dccb5ac1e?auto=format&fit=crop&w=1440&q=80') no-repeat center center/cover;
    color: #ffffff;
    padding: 110px 0 70px 0;
    text-align: center;
}

.banner-content h1 {
    font-size: 2.5rem;
    font-weight: 500;
    margin-bottom: 10px;
}

.banner-content p {
    font-size: 1.2rem;
    font-weight: 300;
    opacity: 0.9;
}

/* -----------------------------------------------
   4. COMPANY PROFILE SECTION
-------------------------------------------------- */
.company-profile {
    padding: 60px 0 40px 0;
}

.profile-wrapper {
    display: flex;
    align-items: center;
    gap: 50px;
}

.profile-text {
    flex: 1;
}

.profile-text .sub-title {
    color: var(--secondary-color);
    font-weight: 500;
    font-size: 14px;
    letter-spacing: 1px;
}

.profile-text h2 {
    color: var(--primary-color);
    font-size: 2rem;
    margin-bottom: 20px;
    font-weight: 500;
}

.profile-text p {
    color: var(--text-light);
    margin-bottom: 15px;
    text-indent: 30px;
    text-align: justify;
}

.profile-image {
    flex: 1;
}

.profile-image img {
    width: 100%;
    border-radius: var(--border-radius-custom); /* 33px ตามดีไซน์หลัก */
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
}

/* -----------------------------------------------
   5. VISION & MISSION SECTION (Grid 2 Columns)
-------------------------------------------------- */
.vision-mission {
    padding: 40px 0 80px 0;
}

.grid-2-columns {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.card-box {
    background-color: #ffffff;
    padding: 40px;
    border-radius: var(--border-radius-custom);
    box-shadow: 0 5px 20px rgba(12, 127, 234, 0.3);
    border-top: 5px solid #0e39a9;
    transition: transform 0.3s ease;
}

.card-box:hover {
    transform: translateY(-5px);
}

.card-box:nth-child(2) {
    border-top: 5px solid #0e39a9;
}

.icon-box {
    font-size: 40px;
    margin-bottom: 15px;
}

.card-box h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.card-box p {
    color: var(--text-light);
    font-size: 15px;
}


@media (max-width: 991px) {
    .profile-wrapper {
        flex-direction: column;
    }
    .grid-2-columns {
        grid-template-columns: 1fr;
    }
    .header-wrapper, .footer-wrapper {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    .main-navigation ul {
        justify-content: center;
    }
}