.tech-sec1 .slant-parent{
    height: 450px;
    overflow: hidden;
    transform: skewY(-7deg);
    transform-origin: 0 100%;
}

.tech-sec1 .slant{
    height: 450px;
    background-image: url(../images/home-3-back.webp);
    box-shadow: inset -400px 100px 200px rgba(0, 0, 0, 0.658),
    inset 150px 70px 120px rgba(0, 0, 0, 0.825);
    transform-origin: 0 100%;
    z-index: -90;
    background-position: 40% 45%;
    background-repeat: no-repeat;
    background-size: cover;
    background-attachment: scroll;
    transform: skewY(+7deg);
}

.tech-sec1 .container{
    color:white;
}

.tech-sec1 .container h1{
    position:absolute;
    top:25%;
    font-family: 'Broadway', sans-serif;
    font-weight: 50;
    letter-spacing: -0.08rem;
    font-size:66px;
}

.tech-sec1 .text-box{
    color:#4e5758;
    font-size:20px;
    font-family: "Hygraphic", sans-serif;
    font-weight: 600;
    letter-spacing: -0.06rem;
    margin:55px 0px 50px 0px ;
    line-height: 1.45;
}
.tech-sec1 .cate-box{
    display:flex;
    flex-direction: row-reverse;
    margin:0px 0px 60px 0px;
}

.tech-sec1 button{
    padding: 13px 30px;
    width: 175px;
    touch-action: manipulation;
    font-family: "Hygraphic", sans-serif;
    font-weight: 600;
    letter-spacing: 0.02rem;
    position: relative;
    white-space: nowrap;
    color: #4e5758;
    text-shadow: 0px 0px 0px #4e5758;
    font-size:17px;
    margin-left:35px;
    cursor: pointer;
    overflow: hidden;
    background: transparent;
    border: 2px solid #4e5758;
    border-radius: 12px;
}
.tech-sec1 button:before {
    position: absolute;
    content: '';
    display: inline-block;
    top: -180px;
    left: 0;
    width: 30px;
    height: 100%;
    background-color: #ffffff64;
    animation: shiny-btn1 6s ease-in-out infinite;
}

@-webkit-keyframes shiny-btn1 {
    0% { -webkit-transform: scale(0) rotate(45deg); opacity: 0; }
    30% { -webkit-transform: scale(2) rotate(45deg); opacity: 0.7; }
    85% { -webkit-transform: scale(4) rotate(45deg); opacity: 0.9; }
    100% { -webkit-transform: scale(50) rotate(45deg); opacity: 0; }
}

.tech-sec1 button:hover {
    transition: all .1s ease;
    border: 2px solid #00f790;
}

.content .icon{
    margin-left:5px;
    margin-right:5px;
    color:  #12b06e;
    font-size: 21px;
}
.tech-sec2{
    background-color: rgb(247, 247, 247);
    background-image: linear-gradient(#f4f4f4 0%, #fcfcfc 10%);
    background-repeat: repeat-x, repeat;
    background-position: 0 0, 0 0;
    background-size: auto, auto;
    width: 100%;
    padding: 6% 0%  0% 0%;
    font-family: 'Hygraphic', sans-serif;
    font-weight: 600;
}

.tech-sec2 .container .title{
    text-shadow: 0px 0px 0px black;
    margin-bottom: 30px;
}

.filter-menu {
    display: flex;
    background: #f0f0f0;
    border-radius: 12px;
    overflow: hidden;
    padding: 3px 3px;
    
    width:auto;
    margin: 0px 0px 40px 0px;
}
.container .filter-menu button{
    font-size:16px;
    font-family: "Hygraphic", sans-serif;
    font-weight: 600;
    color:#2e3334;
    border: none;
    cursor: pointer;
    background: transparent;
    text-align: center;
    letter-spacing: -0.02rem;
    padding: 9.5px;
    width: 25%;
}
.container .filter-menu button:hover{
    border-radius: 6px;
    background: #e8e8e8;
    z-index:1;
    transition: 0.2s;
}
.tech-sec2 .container .filter-menu button.active,
.tech-sec3 .container .filter-menu button.active{
    border-radius: 12px;
    background: white;
    box-shadow: 0 1px 3px rgba(0,0,0,0.2);
    z-index:1;
}
.container .filter-menu button + button {
    position:relative;
}
.container .filter-menu button + button::before{
    content: "";
    position: absolute;
    left: 0;
    top: 25%;
    height: 50%;   /* 선의 길이를 줄임 (텍스트 영역만큼) */
    width: 1.5px;
    background: #cdcdcd;
    z-index:0;
}

.tech-sec2 .content{
    background-color: white;
    box-shadow: 0 9px 20px rgba(46, 51, 52, .1);
    border-radius:15px;
    font-weight: 600;
    padding:3% 3% 4% 3%;
    color:#4e5758;
    font-size: 16px;
}
.tech-sec2 .content table{
    border: 1px solid #aeaeae;
    border-collapse: collapse;
    margin: 22px auto;
    width:100%;
}
.tech-sec2 .content th{
    border:1px solid #aeaeae;
    padding:20px;
    background-color: #f2f2f2;
}
.tech-sec2 .content td{
    border:1px solid #aeaeae;
    padding:15px 20px;
    text-align: center;
}
.tech-sec2 .content h3{
    color: #2e3334;
    padding-right:5px;
    display:inline-block;
    text-shadow: 0px 0px 0px black;
}
.tech-sec2 .content p{
    line-height:1.5;            
}
.tech-sec2 .content .text-top p{
    margin-top: 20px;
}
.tech-sec2 .line{
    margin: 90px 0px 0px 0px;
    border-top: 1px dashed #a3a8a8;
}
.tech-sec2 .content strong{
    text-shadow: 0px 0px 0px black;
    display:inline-block;
}

.tech-sec3{
    background-image: linear-gradient(#fcfcfc 12%, #ffffff 23%);
    font-family: "Hygraphic", sans-serif;
    font-weight: 600;
    padding: 6% 0% 8% 0%;
}
.tech-sec3 .container .title{
    padding:0px 0px 30px 0px;
    text-shadow: 0px 0px 0px black;
}
.tech-sec3 .filter-menu {
    width:fit-content;
    margin: 0px 0px 40px 0px;
}
.tech-sec3 .container .filter-menu button{
    letter-spacing: -0.02rem;
    padding: 9.5px;
    width: 170px;
}

.tech-sec3 .content{
    box-shadow: 0 8px 20px rgba(46, 51, 52, 0.10);
    border-radius:15px;
    padding:3% 3% 4% 3%;
    color:#4e5758;
    font-size: 16px;
    margin:30px 0px 0px 0px;
}
.tech-sec3 .content table{
    border: 1px solid #aeaeae;
    border-collapse: collapse;
    margin: 25px auto 20px auto;
    width:100%;
}
.tech-sec3 .content th{
    border:1px solid #aeaeae;
    padding:20px;
    background-color: #f2f2f2;
}
.tech-sec3 .content td{
    border:1px solid #aeaeae;
    padding:15px 20px;
    text-align: center;
}
.tech-sec3 .content h3{
    color: #2e3334;
    padding-right:5px;
    margin-bottom:5px;
    display:inline-block;
    text-shadow: 0px 0px 0px black;
}
.tech-sec3 .content i{
    margin-left:5px;
    margin-right:10px;
    color: #06a362;
}
.tech-sec3 .content p{
    line-height:1.5;
}
.tech-sec3 .content strong{
    margin-top:22px;
    text-shadow: 0px 0px 0px black;
    display:inline-block;
}
/*반응형*/
@media (orientation: portrait){
    .tech-sec1 .container h1{
    top:15%;
    font-size: 2.0rem;
    }
    .tech-sec1 .slant {
    box-shadow: none;
    background-size: 110%;
    background-position:5% 34%;
    }
}
@media (max-width:768px){
    /* ======= tech-sec1 ======= */
    .tech-sec1 .slant-parent {
    height: 300px;
    }
    .tech-sec1 .slant {
    height: 300px;
    box-shadow: none;
    background-size: 154%;
    background-position:5% 21%;
    }
    .tech-sec1 .container h1 {
    font-weight: 50;
    position: absolute;
    top:140px;
    font-size: 2rem;
    letter-spacing: 0rem;
    justify-self: center;
    }
    .tech-sec1 .text-box {
    font-size: 15px;
    text-align: center;
    margin: 20px 0 30px;
    }
    .tech-sec1 .cate-box{
    margin-bottom: 45px;
    gap: 30px;
    justify-content: center;

    }
    .tech-sec1 button{
        text-align: center;
        padding:13px 0px;
        width:9rem;
        margin:0;
        font-size: 16px;
    }
    /* ======= tech-sec2 ======= */
    .tech-sec2{
    padding: 13% 0 0 0;
    }
    .tech-sec3{
    padding: 0% 0% 13% 0%;
    }
    .tech-sec3 .container{
        padding-top: 43px;
    }
    .tech-sec2 .container .title,
    .tech-sec3 .container .title{
    font-size: 18px ;
    margin: 0px 0px 22px 3px;
    padding:0;
    }
    
    /* 필터 버튼 전체를 세로(column) 정렬 */
    .tech-sec2 .container .filter-menu,
    .tech-sec3 .container .filter-menu {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    padding:8px;
    width: 100%;
    margin: 0 auto;
    }
    .tech-sec2 .container .filter-menu button,
    .tech-sec3 .container .filter-menu button{
    width: 100%;
    padding: 13px;
    font-size: 16px;
    border: none;
    background-color: #e3e3e3;
    border-radius: 6px;
    margin-bottom: 10px;
    transition: all 0.2s ease;
    }
    .container .filter-menu button:last-child {
    margin-bottom: 0;
    }
  /* 버튼 사이 구분선 제거 */
    .filter-menu button + button::before {
    display: none;
    }
  /* 콘텐츠: 1열 카드 */
    .tech-sec2 .content-list,
    .tech-sec3 .content-list {
    flex-direction: column;
    align-items: center;
    padding:0px;
    }
    .tech-sec2 .content,
    .tech-sec3 .content {
    width: 100%;
    margin-top: 30px;
    padding:6%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    font-size: 15px;
    }
    .tech-sec2 .tech-content,
    .tech-sec3 .tech-content{
    min-width: 800px;
    white-space: nowrap;
    display: inline-block;
    }
    .tech-sec2 .content h3,
    .tech-sec3 .content h3{
    font-size: 18px;
    }
    .tech-sec2 .content p,
    .tech-sec3 .content p,
    .tech-sec2 .content th,
    .tech-sec3 .content th,
    .tech-sec2 .content td,
    .tech-sec3 .content td{
        font-size: 15px;
    }
    .tech-sec2 .line{
    margin: 43px 0px 0px 0px;
    }
}