html, body {
  height: 100%;
}

body {
  overflow: auto;   /* ❗ hidden 금지 */
}

#smooth-wrapper {
  height: 100%;
  overflow: hidden; /* ✔ 여기서만 막기 */
}
/* header섹션 */
.video_backgroud{
    position: absolute;
    top: 0; left: 0;
    width: 100vw; height: 100vh;
    z-index: -1;
}

.video_backgroud video{
    width: 100%; height: 100%;
    object-fit: cover;
}

/* 헤더&네비게이션 */
.header{
    position: fixed;
    top: 0; left: 0;
    width: 100%;
    padding: 30px 60px;
    z-index: 100;
}

.navbar{
    width: 100%;
    height: 60px;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    background-color: rgba(0, 0, 0, 0.4);

}
.navi{
    display: flex;
    list-style: none;
    gap: 65px;
    padding: 0 60px;
}

.navi a, .navi_right{
    text-decoration: none;
    color: #fff;
    font-size: 18px;
    font-weight: 300;

}
.navi a:hover{color: #666;
}
.navi a.active{
    color: #FC4F00;
}
/* 중앙 로고 */
.logo img{
    height: 27px;
    display: block;
    cursor: pointer;
}
.navi_right{
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 20px;
    padding: 0 60px;
}
.navi_right a{
    text-decoration: none;
    color: #fff;
    font-size: 18px;
    font-weight: 300;
}
.navi_right::after{
    margin-left: 15px;
    cursor: pointer;
    font-size:25px;
}

/* hero */
.hero{
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
}
.hero .content h1{
    font-size: 64px;
    font-weight: 500;
    color: #fff;
    margin-bottom: 25px;
}
.hero .subtitle{
    font-size: 25px;
    font-weight: 400;
    color: #fff;
    margin-bottom: 90px;
}
.hero .desc{
    font-size: 18px;
    font-weight: 400;
    color: #dadada;
    letter-spacing: 1.5;
    margin-bottom: 100px;
}
.buttons{
    display: flex;
    justify-content: center;
    gap: 30px;
}
.buttons .btn{
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    width: 250px; height: 50px;
    text-decoration: none;
    color: #fff;
    font-size: 18px;
    font-weight: 600;
    border-radius: 10px;
    transition: 0.3s;
    background-color: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(200px);
}
.btn:hover { background-color: #FC4F00;}

/* hero 섹션 끝 */

/* drive mode 섹션 */
.drive_mode{
    padding: 150px 0;
    text-align: center;
}
.drive_mode .inner{
    max-width: 1800px;
    margin: 0 auto;
    padding: 0 40px;
}
.drive_mode .title{
    font-size: 40px;
    font-weight: 400;
    color: #fff;
    margin-bottom: 130px;
}
.mode_container{
    display: flex;
    justify-content: space-between;
    gap: 100px;
}
.mode_item{
    flex: 1;
    position: relative;
    height: 450px;
}
.num_text{
    position: absolute;
    top: 0; left: 0;
    width: 100%;
    font-size: 300px;
    font-weight: 900;
    color: #1c1c1c;
    line-height: 1;
    z-index: 1;
    user-select: none;
}
.text_box{
    position: relative;
    z-index: 2;
    padding-top: 70px;
    line-height: 1.1;
}
.text_box h3{
    font-size: 40px;
    font-weight: 400;
    color: #dddddd;
    margin-bottom: 50px;
}
.text_box p{
    font-size: 18px;
    font-weight: 300;
    color: #c5c5c5;
    line-height: 1.5;
}
/* drive mode 섹션 끝 */

/* Vision 섹션 */
.vision{
    position: relative;
    padding: 150px 0;
    overflow: hidden;
}
.bg_text{
    position: absolute;
    top: 200px;
    width: 100%;
    text-align: center;
    font-size: 450px;
    font-weight: 800;
    color: #d8d8d8;
    z-index: 1;
    user-select: none;
}
.vision .inner{
    position: relative;
    z-index: 5;
}

.vision_header .title{
    font-size: 40px;
    font-weight: 400;
    color: #fff;
    margin-bottom: 50px;
}
.vision_header .sub{
    font-size: 20px;
    font-weight: 400;
    color: #c5c5c5;
    margin-bottom: 170px;
}

/* 슬라이더 구역 */
.slider_container{
    width: 100%;
    overflow-x: auto;
    position: relative;
    z-index: 10;
    margin-left: 520px;
    padding-top: 80px;
    user-select: none;
}
.slider_container::-webkit-scrollbar { display: none; }

.slider_wrapper {
    display: flex;
    gap: 40px;
    width: max-content;
    padding-right: calc((100% - 1800px) / 2 + 300px); 
}

.slide_card {
    position: relative;
    width: 600px;
    height: 800px;
    flex-shrink: 0; /* 카드 찌그러짐 방지 */
}

.slide_card img {
    width: 100%; height: 100%;
    object-fit: cover;
    pointer-events: none; /* 이미지 드래그 방지 */
    border-radius: 10px;
}

.slide_card p{
    position: absolute;
    bottom: 10px;
    right: 20px;
    color: #fff;
    font-size: 40px;
    font-weight: 500;
    text-align: right;
}
.mf-cursor::before{
    background-color: #FB4000 !important;
    width: 50px; height: 50px;}
.mf-cursor-text{
    font-size: 18px;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
}

/* Vision 섹션 끝 */

/* Magma 섹션 */
.magma{
    position: relative;
    width: 100%;
    height: 100vh;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
}
.center_text{
    text-align: center;
    z-index: 10;
}

.center_text h1, h2{
    font-size: 30px;
    font-weight: 400;
    color: #ffffff;
    line-height: 1.9;
    margin-bottom: 28px;
}
.center_text h1 span{
    font-size: 70px;
    font-weight: 600;
    color: #FB4000;
    line-height: 0.6;
}
.center_text h2:last-child{
    margin-bottom: 0;          /* 마지막 문단은 여백 제거 */
}

.center_text h2 span{
    font-size: 70px;
    font-weight: 600;
    color: #FB4000;
}

.rotated_img{position: absolute;}
.rotated_img img{width: 100%; height: auto;}

.img1{top: 10%; left: 30%; width: 200px;}
.img2{top: 15%; right: 30%; width: 130px;}
.img3{bottom: 12%; left: 14%; width: 350px;}
.img4{bottom: 10%; right: 14%; width: 350px;}

/* Magma 섹션 끝*/

/* video 섹션 */
.video_section{
    position: relative;
    width: 100%; height: 100vh;
    overflow: hidden;
}
.video_section video{
    position: absolute;
    width: 100%; height: 100%;
    object-fit: cover;
}
/* video 섹션 끝 */

/* magma spec 섹션 */
.magma_spec{
    padding: 150px 0;
    text-align: center;
}
.spec_header{
    margin-bottom: 100px;
}
.spec_header .title{
    font-size: 60px;
    font-weight: 500;
    color: #fff;
    line-height: 1.5;
    margin-bottom: 100px;
}
.spec_header .desc{
    font-size: 20px;
    font-weight: 400;
    color: #a8a8a8;
    line-height: 1.6;
    margin-bottom: 100px;
}

.spec_list{
    display: flex;
    justify-content: center;
    align-items: flex-end;
    max-width: 1400px;
    margin: 0 auto;
}

.spec_item{
    flex:1;
    text-align: left;
}
.spec_item .label{
    display: block;
    font-size: 14px;
    font-weight: 200;
    color: #bfbfbf;
    line-height: 1.5;
    margin-bottom: 20px;
}
.spec_item .value_box{
    font-size: 80px;
    font-weight: 200;
    color: #fff;
    margin-bottom: 20px;
}
.spec_item .unit {
    font-size: 25px;
    margin-left: 1px;
    font-weight: 400;
}
.spec_item .note {
    font-size: 12px;
    color: #666;
}




/* performance 섹션 */
.inner{
    width: 100%;
    max-width: 1640px;
    margin: 0 auto;
}
.performance{
    width: 100%; height: 100vh;
    overflow: hidden; /* 브라우저 기본 스크롤바는 숨김 */
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.performance .title{
    font-size: 60px;
    font-weight: 400;
    color: #ffffff;
    line-height: 1.5;
    margin-top: 300px;
}
.performance .slide_track{
  width: 100%;
}
.performance .slide_wrapper{
    width: 100%;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
    margin-top: 60px;
    margin-bottom: 120px;
    overflow: hidden;
}

.slide_wrapper { overflow: hidden; }
.slide_track { display: flex; width: max-content; }

.performance .content_inner{
    display: flex;
    flex-wrap: nowrap;
    width: max-content;
    gap: 80px;
    padding-left: calc((100% - 1800px) / 2); 
    padding-right: 100px; /* 마지막 박스 뒤 여백 */
}
.performance .text_box{
    flex-shrink: 0;
    display: flex;
    align-items: center;
    gap: 40px;
    width: 1500px;
    padding: 40px;
    flex: 0 0 100vw;
}
.performance .img_side{width: 800px; flex-shrink: 0;}
.performance .img_side img{width: 100%;}
.performance .text_side h3{
    font-size: 30px;
    font-weight: 400;
    color: #e0e0e0;
    line-height: 1.5;
    margin-bottom: 30px;
}
.performance .text_side .sub{
    font-size: 18px;
    font-weight: 300;
    color: #cccccc;
    line-height: 1.7;
}
.performance .desc{
    font-size: 16px;
    font-weight: 200;
    color: #acacac;
    line-height: 1.5;
    margin-bottom: 5px;
}
/* performance 섹션 끝 */


/* magma visual 섹션 */
.magma_visual {
    width: 100%;
    padding: 100px 0; 
}

.visual_img {
    width: 100%;
}

.visual_img img {
    width: 100%;
    height: auto;
    display: block;
}
/* magma visual 섹션 끝 */

/* notify section */
.notify_section {
    width: 100%;
    height: 100vh; /* 화면 꽉 차게 */
    /* 배경 이미지 경로를 본인의 파일명에 맞게 수정하세요 */
    background: url('../img/last_bg.png') no-repeat center center / cover;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: #fff;
}

.notify_content .date {
    font-size: 20px;
    font-weight: 400;
    letter-spacing: 1.5px;
    margin-bottom: 90px;
    color: #ffffff;
}

.notify_content .main_title {
    font-size: 50px;
    font-weight: 400;
    line-height: 1.5;
    margin-bottom: 80px;
}

.notify_content .sub_text {
    font-size: 20px;
    color: #d5d5d5;
    margin-bottom: 70px;
}

/* 알림 신청 버튼 */
.buttons{
    display: flex;
    justify-content: center;
    gap: 30px;
}
.buttons .btn{
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    width: 250px; height: 50px;
    text-decoration: none;
    color: #fff;
    font-size: 18px;
    font-weight: 600;
    border-radius: 10px;
    transition: 0.3s;
    background-color: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(200px);
}
.btn:hover { background-color: #FC4F00;}
/* notify section 끝 */

/* footer */
.footer {
    background-color: #000;
    color: #888;
    padding: 100px 0 40px;
    font-size: 13px;
}

.footer a { color: #888; text-decoration: none; transition: color 0.3s; }
.footer a:hover { color: #fff; }
.footer .bold { color: #ccc; font-weight: 500; }

/* 상단 영역 */
.footer_top {
    display: flex;
    justify-content: space-between;
    padding-bottom: 30px;
}
.footer_links { display: flex; gap: 20px; flex-wrap: wrap; margin-top: 100px; }
.footer_sns { display: flex; gap: 20px; font-size: 18px; }

/* 중간 영역 */
.footer_row.middle {
    display: flex;
    align-items: center;
    width: 100%;
}
.site_group { display: flex; gap: 30px; margin-top: 60px;}
.site_group a{
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: #888;
    text-decoration: none;
    white-space: nowrap;
}

/* 언어 선택 버튼 */
.lang_selector {
    display: flex;
    margin-left: auto;
    border: 1px solid #333;
}
.btn_lang {
    background: none;
    border: none;
    color: #555;
    padding: 5px 15px;
    cursor: pointer;
    font-size: 12px;
}
.btn_lang.active { background: #fff; color: #000; }

/* 하단 영역 */
.footer_bottom {
  display: flex;
    flex-direction: column; /* 세로로 쌓기 */
    align-items: center;    /* 전체 중앙 정렬 */
    padding: 60px 0;
    gap: 30px;
    position: relative;     /* 로고 배치의 기준점 */
    width: 100%;
}
.bottom_row{
   display: flex;
    justify-content: flex-end; /* 기본적으로 자식(WA마크)을 오른쪽으로 */
    align-items: center;
    width: 100%;
    position: relative;        /* 로고 배치의 기준점 */
    min-height: 50px;          /* 로고 높이에 맞춰 확보 */
}
.footer_logo{
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%); /* 정확한 센터링 */
}
.footer_logo img { width: 135px; margin: 0; }
.wa_mark{display: flex; align-items: center;}
.wa_mark img { width: 81px; }
.copyright { font-size: 14px; font-weight: 200;   margin-bottom: 15px; color: #555; text-align: center; }


/* =========================
   1024px 이하 반응형 (Tablet)
========================= */
@media (max-width: 1024px){

  /* 헤더 */
  header{
    width: 100%;
  }

  .navbar{
    height: 64px;
    padding: 0;
    grid-template-columns: 1fr auto 1fr;
  }

  /* 좌측 메뉴 간격 축소 */
  .navi{
    gap: 32px;
    padding: 0 24px;
  }

  .navi a{
    font-size: 16px;
  }

  /* 중앙 로고 */
  .logo img{
    height: 24px;
  }

  /* 우측 아이콘 영역 */
  .navi_right{
    padding: 0 24px;
    gap: 14px;
  }

  .navi_right a{
    font-size: 16px;
  }

  .material-symbols-outlined{
    font-size: 22px;
  }
}

.drive_mode .num_text{
    font-size: 180px;
}



/* =========================
   480px 이하 반응형
========================= */
@media (max-width: 480px){

  /* 공통 */
  html, body{ width:100%; overflow-x:hidden; }
  .inner{
    width: 100% !important;        /* reset.css의 1800px 덮기 */
    max-width: 100% !important;
    padding: 0 16px !important;
    margin: 0 auto;
  }

  /* 배경 비디오 */
  .video_backgroud{
    width: 100%;
    height: 100vh;
  }

  /* 헤더/네비 */
  header{ width:100%; }
  .navbar{
    height: 56px;
    grid-template-columns: 1fr auto 1fr;
    padding: 0;
    background-color: rgba(0,0,0,0.55);
  }

  /* 좌측 메뉴는 모바일에서 숨김(가로 터짐 방지) */
  .navi{
    display: none;
  }

  .logo img{
    height: 22px;
     position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    z-index: 10;
  }
   .navbar{
    position: relative;
    grid-template-columns: 1fr 1fr; /* 좌측 영역 의미 없으니 단순화 */
    height: 56px;
  }

  .navi_right{
    justify-self: end;
    margin-left: auto;
    padding-right: 10px;
    gap: 10px;

  }
  .navi_right a{
    font-size: 14px;
  }
  /* 텍스트 메뉴(고객센터/마이페이지/구분선)는 숨겨서 아이콘만 남기기 */
  .navi_right li:nth-child(1),
  .navi_right li:nth-child(2),
  .navi_right li:nth-child(4){
    display:none;
  }
  .material-symbols-outlined{ font-size: 22px; }

  /* HERO */
  .hero .content{
    padding: 0 16px;
  }
  .hero .content h1{
    font-size: 36px;
    margin-bottom: 14px;
    letter-spacing: 0.5px;
  }
  .hero .subtitle{
    font-size: 16px;
    margin-bottom: 24px;
  }
  .hero .desc{
    font-size: 14px;
    margin-bottom: 26px;
    line-height: 1.6;
  }
  .buttons{
    flex-direction: column;
    gap: 12px;
    align-items: center;
  }
  .buttons .btn{
    width: min(320px, 92vw);
    height: 48px;
    font-size: 15px;
    border-radius: 10px;
  }

  /* DRIVE MODE */
  .drive_mode{
    padding: 80px 0;
  }
  .drive_mode .title{
    font-size: 22px;
    margin-bottom: 50px;
    line-height: 1.35;
    padding: 0 8px;
    word-break: keep-all;
  }
  .mode_container{
    flex-direction: column;
    gap: 28px;
  }
  .mode_item{
    height: auto;
    padding-bottom: 14px;
  }
  .num_text{
    font-size: 140px;
    opacity: 0.35;
  }
  .text_box{
    padding-top: 44px;
  }
  .text_box h3{
    font-size: 24px;
    margin-bottom: 18px;
  }
  .text_box p{
    font-size: 14px;
    line-height: 1.65;
  }

  /* VISION */
  .vision{
    padding: 80px 0;
  }
  .bg_text{
    top: 140px;
    font-size: 140px;
    opacity: 0.10;
  }
  .vision_header .title{
    font-size: 22px;
    margin-bottom: 18px;
  }
  .vision_header .sub{
    font-size: 14px;
    margin-bottom: 36px;
    line-height: 1.6;
  }

  /* 슬라이더: 왼쪽 마진 제거 + 카드 축소 */
  .slider_container{
    margin-left: 0;
    padding-top: 10px;
    padding-bottom: 10px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    cursor: grab;
  }
  .slider_wrapper{
    gap: 14px;
    padding-right: 16px;
  }
  .slide_card{
    width: 240px;
    height: 320px;
    border-radius: 10px;
  }
  .slide_card img{
    border-radius: 10px;
  }
  .slide_card p{
    font-size: 18px;
    right: 12px;
    bottom: 10px;
  }

  /* MAGMA (센터 텍스트 + 이미지) */
  .magma{
    height: auto;
    padding: 90px 0;
  }
  .center_text{
    padding: 0 10px;
  }
  .center_text h1,
  .center_text h2{
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 14px;
    word-break: keep-all;
  }
  .center_text h1 span,
  .center_text h2 span{
    font-size: 32px;
    line-height: 1.1;
  }

  /* 배경 장식 이미지 모바일에서는 숨김(텍스트 가독성 확보) */
  .rotated_img{ display:none; }

  /* VIDEO SECTION */
  .video_section{
    height: 60vh;
  }

  /* SPEC */
  .magma_spec{
    padding: 80px 0;
  }
  .spec_header{
    margin-bottom: 40px;
  }
  .spec_header .title{
    font-size: 28px;
    margin-bottom: 22px;
    line-height: 1.25;
  }
  .spec_header .desc{
    font-size: 14px;
    margin-bottom: 0;
    line-height: 1.6;
    padding: 0 6px;
  }

  .spec_list{
    flex-direction: column;
    align-items: stretch;
    gap: 22px;
    max-width: 100%;
  }
  .spec_item{
    text-align: left;
    padding: 14px 10px;
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 12px;
  }
  .spec_item .value_box{
    font-size: 44px;
    margin-bottom: 8px;
  }
  .spec_item .unit{
    font-size: 16px;
  }
  .spec_item .note{
    font-size: 12px;
  }

  /* PERFORMANCE */
  .performance{
    height: auto;
    padding: 80px 0;
    overflow: visible;
  }
  .performance .title{
    font-size: 28px;
    margin-top: 0;
    padding: 0 16px;
    line-height: 1.25;
  }
  .performance .slide_wrapper{
    margin-top: 24px;
    margin-bottom: 0;
    overflow-x: auto;              /* 모바일에서는 가로 스크롤 허용 */
    -webkit-overflow-scrolling: touch;
  }
  .performance .content_inner{
    gap: 14px;
    padding-left: 16px;
    padding-right: 16px;
  }
  .performance .text_box{
    width: 92vw;
    padding: 14px;
    gap: 14px;
    flex-direction: column;
    align-items: flex-start;
  }
  .performance .img_side{
    width: 100%;
  }
  .performance .img_side video,
  .performance .img_side img{
    width: 100%;
    height: auto;
    border-radius: 12px;
  }
  .performance .desc{
    font-size: 13px;
  }
  .performance .text_side h3{
    font-size: 18px;
    margin-bottom: 10px;
  }
  .performance .text_side .sub,
  .performance .text_side p{
    font-size: 14px;
    line-height: 1.6;
  }

  /* MAGMA VISUAL */
  .magma_visual{
    padding: 40px 0;
  }

  /* NOTIFY */
  .notify_section{
    height: auto;
    padding: 90px 0;
  }
  .notify_content .date{
    font-size: 14px;
    margin-bottom: 18px;
  }
  .notify_content .main_title{
    font-size: 28px;
    margin-bottom: 18px;
    line-height: 1.25;
    padding: 0 10px;
  }
  .notify_content .sub_text{
    font-size: 14px;
    margin-bottom: 24px;
  }

   /* ---- Footer: 전체 중앙정렬 ---- */
  .footer{
    text-align: center;
  }

  .footer_top{
    flex-direction: column;
    align-items: center;
    gap: 18px;
  }

  .footer_links{
    justify-content: center;
    align-items: center;
    text-align: center;
  }

  .footer_sns{
    justify-content: center;
  }

  .footer_row.middle{
    flex-direction: column;
    align-items: center;
    gap: 18px;
  }

  .site_group{
    justify-content: center;
    flex-wrap: wrap;
  }

  .lang_selector{
    margin-left: 0;            /* 기존 auto 제거해서 중앙으로 */
  }

  .footer_bottom{
    align-items: center;
  }

  .copyright{
    text-align: center;
  }
}