.engineering-section {
    background: white;
    text-align: center;
    padding: 60px 20px;
}

.section-title {
    color: rgb(30, 64, 34);
    font-size: 28px;
    font-weight: bold;
    margin-bottom: 20px;
}

.engineering-text {
    color: rgb(0, 0, 0);
    text-align: justify;
    text-align-last: center;
    font-size: 16px;
    max-width: 900px;
    font-weight: 600;
    margin: auto auto 40px;
    line-height: 1.6;
}

.engineering-section img {
    text-align: center;
    max-width: 900px;
    margin-top: 20px;
    margin-bottom: 20px;
}

.hero-style img {
    margin-bottom: 40px;
}

@media (max-width: 768px) {
    .engineering-section img {
        max-width: 500px;
    }
}

@media (max-width: 520px) {
    .engineering-section img {
        max-width: 400px;
    }
}

@media (max-width: 420px) {
    .engineering-section img {
        max-width: 300px;
    }
}

.expertise-section {
    background: rgb(245, 245, 245);
}

.expertise-item {
    display: flex;
    flex-wrap: wrap;
}


@media (max-width: 1099px) {
    .expertise-item {
        flex-direction: column;
    }

    .expertise-item:nth-child(even) {
        flex-direction: column-reverse;
    }

    .expertise-image {
        flex: 1 1 250px !important;
    }
}

@media (max-width: 767px) {
    .expertise-item {
        flex-direction: column;
    }

    .expertise-item:nth-child(even) {
        flex-direction: column-reverse;
    }

    .expertise-image {
        flex: 1 1 250px !important;
    }
}

.expertise-image,
.expertise-text {
    flex: 1 1 300px;
}

.expertise-text h3 {
    font-size: 24px;
}

.expertise-text {
    font-size: 20px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 3rem;
    position: relative;
    color: rgb(30, 64, 34);
}

.expertise-text ul {
    line-height: 1.6;
    padding: 2rem;
}

.expertise-text li {
    color: rgb(30, 64, 34);
}

.expertise-image img {
    width: 100%;
    height: auto;
    display: block;
}

.eng-services {
    background-color: rgb(30, 64, 34);
    display: flex;
    justify-content: center;
    text-align: center;
}

.eng-title {
    padding: 60px 20px;
    font-size: 28px;
    font-weight: bold;
    color: rgb(255, 255, 255);
}

/* accordion section */
.accordion {
    background-color: white;
    margin: auto;
}

.accordion-section {
    align-items: center;
    display: flex;
    background: rgb(219, 219, 219);
    margin-bottom: 2px;
    cursor: pointer;
    padding: 20px;
    font-size: 18px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: rgb(30, 64, 34);
    position: relative;
    justify-content: center;
}

.accordion-section::after {
    content: '▾';
    position: absolute;
    right: 20px;
    transition: transform 0.3s ease;
}

.accordion-section.active::after {
    transform: rotate(180deg);
}

.accordion-content p {
    text-align: justify;
    text-align-last: center;
}

.accordion-content {
    background: white;
    display: none;
    padding: 40px;
    line-height: 1.6;
}

.accordion-content img {
    max-width: 900px;
    height: auto;
    display: block;
    margin: 20px auto 0;
}

.diagram-image {
    width: 100%;
    height: auto;
    display: block;
}

@media (min-width: 1099px) {
    .accordion-content p {
        margin: auto 250px;
    }
}