.three-first {
    position: relative;
    background-color: #181818;
    overflow: hidden;
    padding-block: 150px 200px;
}

.three-first .text_content {
    position: absolute;
    top: 40%;
    width: 100%;
    transform: translateY(-50%);
    z-index: 1;
}

.three-first .three_first_content {
    display: grid;
    grid-gap: 70px;
    align-items: flex-start;
    grid-template-columns: repeat(2, 1fr);
}

.three-first .three_first_content .text {
    width: auto;
}

.three-first .three_first_content ul {
    display: flex;
    gap: 24px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.three-first .three_first_content ul li {
    flex: 1;
    padding-bottom: 10px;
    border-bottom: 4px solid transparent;
    cursor: pointer;
}

.three-first .three_first_content ul li.active {
    border-bottom-color: var(--c-white);
}

.three-first h2 {
    color: #fffaee;
    font-size: 324px;
    margin: 0;
    line-height: 1;
}

@media (max-width: 1440px) {
    .three-first h2 {
        font-size: 324px;
    }
}

@media (max-width: 1024px) {
    .three-first h2 {
        font-size: 90px;
        white-space: nowrap;
    }
}

.three-first .text {
    width: 400px;
    color: #fffaee;
    font-size: 18px;
}

@media (max-width: 1440px) {
    .three-first .text {
        width: 360px;
    }
}

.three-first .mobile-content h2 {
    margin-bottom: 16px;
    font-size: 18vw;
    text-align: center;
}

.three-first .mobile-content .text {
    width: auto;
    margin-top: 16px;
}

@media (max-width: 1024px) {
    .three-first {
        padding-block: 100px;
    }
}

.three-first .container {
    position: relative;
}

@media (max-width: 1024px) {
    .three-first .container .text_content {
        top: 5%;
        transform: scale(0.7);
        text-align: center;
    }
}

@media (max-width: 768px) {
    .three-first .container .text_content {
        top: 30%;
        transform: scale(0.8);
    }
}

.three-first .container .demo_holder {
    z-index: 2;
    position: relative;
}

/* @media (max-width: 1024px) {
  .three-first .container .demo_holder {
    margin-top: -160px;
  }
} */
.three-first .container .demo_holder .slider_box {
    height: 800px;
}

@media (max-width: 1440px) {
    .three-first .container .demo_holder .slider_box {
        height: 600px;
    }
}

.three-first .container .demo_holder .slider_box fibbl-model-viewer {
    border-radius: var(--br-tooltip);
}

@media (max-width: 1280px) {
    .three-first .container .demo_holder .slider_box {
        height: 500px;
    }
}

@media (max-width: 1024px) {
    .three-first .container .demo_holder .slider_box {
        height: 330px;
    }
}

.three-first .container .demo_holder ul {
    margin: 0 auto;
    max-width: 420px;
    display: grid;
    grid-gap: 10px;
    grid-template-columns: repeat(4, 1fr);
    padding: 0;
    list-style: none;
    padding-bottom: 20px;
}

.three-first .container .demo_holder ul li {
    position: relative;
    padding-top: 100%;
}

.three-first .container .demo_holder ul li img {
    position: absolute;
    max-width: 80%;
    max-height: 80%;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
    cursor: pointer;
    z-index: 1;
}

.three-first .container .demo_holder ul li.active {
    border-bottom: 4px solid var(--c-white);
}
.elten {
    li {
        display: flex;
        align-items: flex-end;
    }
}