.underline {
    width: 4vw;
    border: 0.2vw solid red;
}

/* =========== HERO =========== */
.slider {
    position: relative;
    width: 100%;
    height: 16vw;
    overflow: hidden;
    margin-bottom: 1.6vw;
}

.slide {
    position: absolute;
    width: 100%;
    height: 100%;
}

.slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
}

.caption {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
}

.caption h1 {
    font-size: 3.2vw;
}

/* =========== DESCRIPTION =========== */
.description {
    text-align: center;
    font-size: 1.2vw;
    line-height: 1.7vw;
    margin-bottom: 3.5vw;
}

/* ================= FEATURED PROJECTS ================= */

.featured-projects {
    margin-bottom: 6vw;
    text-align: center;
}

.featured-projects-header h1 {
    font-size: 3.2vw;
}

.fp_underline {
    margin: 0 auto 3vw;
}

.projects-slider {
    position: relative;
    width: 100%;
}

.projects-slide {
    display: none;
    grid-template-columns: repeat(3, 1fr);
    gap: 2vw;
    animation: fadeSlide 0.5s ease;
}

.projects-slide.active {
    display: grid;
}

.projects-slide img {
    width: 100%;
    height: auto;
    margin: 0 auto;
    border-radius: 1vw;
    object-fit: cover;
    box-shadow: 0.3vw 0.3vw 1vw rgba(0, 0, 0, 0.35);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.projects-slide p{
    font-size: 1vw;
    margin-top: 0.8vw;
}

.projects-slide img:hover {
    transform: translateY(-0.4vw);
    box-shadow: 0.6vw 0.6vw 1.4vw rgba(0, 0, 0, 0.45);
}

/* ----- Controls ----- */

.projects-slider-controls {
    display: flex;
    justify-content: center;
    gap: 2vw;
    margin-top: 3vw;
}

.projects-slider-controls button {
    font-size: 2.2vw;
    width: 4vw;
    height: 4vw;
    border-radius: 50%;
    border: none;
    cursor: pointer;
    background-color: black;
    color: white;
    transition: background-color 0.2s ease, transform 0.2s ease;
}

.projects-slider-controls button:hover {
    background-color: red;
    transform: translateY(-0.2vw);
}

@keyframes fadeSlide {
    from {
        opacity: 0;
        transform: translateY(1vw);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===========MOBILE=========== */
@media screen and (max-width: 768px) {


    .underline {
        width: 6vw;
        border: 0.2vw solid red;
    }

    /* ===== HERO ===== */
    .slider {
        height: 50vw;
        margin-bottom: 12vw;
    }

    .caption h1 {
        font-size: 8vw;
        text-align: center;
    }

    /* DESCRIPTION */
    .description br {
        display: none;
    }

    .description {
        text-align: justify;
        font-size: 4vw;
        line-height: 6vw;
        padding: 0 6vw;
        margin-bottom: 8vw;
    }

    /* OUR SUPPLIES */
    .ourSupplies {
        padding: 0 6vw;
    }

    .ourSupplies-header h1 {
        font-size: 7vw;
        padding: 8vw 0;
        text-underline-offset: 1.5vw;
    }

    .ourSupplies-content {
        grid-template-columns: 1fr 1fr;
        gap: 8vw;
        margin-bottom: 10vw;
    }

    .ourSupplies-img p {
        font-size: 4vw;
        margin-top: 3vw;
    }

    /* ====== FEATURED PROJECTS ====== */

    .featured-projects-header h1 {
        font-size: 6vw;
    }

    .fp_underline {
        margin-bottom: 6vw;
    }

    .projects-slide {
        grid-template-columns: repeat(2, 1fr);
        gap: 4vw;
    }

    .projects-slide img {
        width: 100%;
        border-radius: 2vw;
    }

    .projects-slider-controls button {
        font-size: 5vw;
        width: 9vw;
        height: 9vw;
    }
}

/* ==========DESKTOP========== */

@media screen and (min-width: 1920px) { 

    .underline {
        width: 2vw;
        border-width: 0.1vw;
    }

    /* ---------- FEATURED PROJECTS ---------- */

    .featured-projects {
        margin-bottom: 4rem;
    }

    .featured-projects-header h1 {
        font-size: 3rem;
    }

    .fp_underline {
        margin-bottom: 3rem;
    }

    .projects-slide {
        gap: 2.5rem;
    }

    .projects-slide img {
        width: 100%;
        max-width: 420px;
        border-radius: 1rem;
    }

    .projects-slider-controls {
        gap: 2rem;
        margin-top: 3rem;
    }

    .projects-slider-controls button {
        width: 3.5rem;
        height: 3.5rem;
        font-size: 1.5rem;
    }
}