main {
    width: 100%;
    height: 100vh;
    overflow: hidden;
    background-position: center center;
    background-size: cover;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}
main.lms {
    background-image: url(images/16.png);
}
main.development {
    background-image: url(images/1.png);
}

main.e-learning {
    background-image: url(images/13.png);
}

main.book-design {
    background-image: url(images/17.png);
}
main.training {
    background-image: url(images/15.png);
}
main.social-media {
    background-image: url(images/14.png);
}

main .content {
    margin: 0px 144px;
    z-index: 1;
    width: 75%;
}
main .main-title {
    color: white;
}
.main-title {
    font-size: clamp(35px, 4vw + 0.5rem, 65px);
    font-family: "Mitr";
    font-weight: bold;
    text-transform: capitalize;
    line-height: 1;
    margin-bottom: 20px;
}
.sub-title {
    font-size: clamp(18px, 1.5vw + 0.5rem, 25px);
}

@media (max-width: 480px) {
    main .content {
        width: 100%;
    }
    main .cta-button {
        width: 100%;
        text-align: center;
    }
    main .content {
        margin: 0px 25px;
    }
}

main::after {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: #000;
    opacity: 0.65;
    z-index: 0;
}

/* / */

.offer h2 {
    margin-bottom: 10px;
}

/* / */
.features {
    background-color: var(--bg-5);
}
.feature-cards {
    display: flex;
    margin-top: 15px;
}
.feature-card {
    margin-right: 12px;
}
.feature-card h3 {
    color: var(--color-2);
    font-size: clamp(16px, 1.5vw + 0.5rem, 20px);
    margin-bottom: 10px;
}
/* / */

.quality-assurance .main-title {
    font-size: clamp(18px, 1.5vw + 0.5rem, 30px);
}
.quality-assurance p {
    font-size: clamp(16px, 1.5vw + 0.5rem, 18px);
}

/* / */
.cta {
    background-color: var(--bg-5);
}
.cta .main-title {
    font-size: clamp(18px, 1.5vw + 0.5rem, 30px);
    color: white;
}
.cta p {
    font-size: clamp(16px, 1.5vw + 0.5rem, 18px);
}
.cta .cta-button {
}
.cta-button::before,
.cta-button::after {
    border-color: var(--color-2);
}

/* Top-left and bottom-right corner before hover */
.cta-button::before {
    border-top: 2px solid var(--color-2);
    border-left: 2px solid var(--color-2);
}

.cta-button::after {
    border-bottom: 2px solid var(--color-2);
    border-right: 2px solid var(--color-2);
}