/* =========================================
   기본 설정
========================================= */

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    padding: 0;

    font-family:
        "Noto Sans KR",
        "Malgun Gothic",
        Arial,
        sans-serif;

    color: #222;
    background: #fff;

    line-height: 1.6;
}

img {
    max-width: 100%;
}



/* =========================================
   HEADER
========================================= */

.header {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 82px;
    padding: 0 25px;
    box-sizing: border-box;

    display: flex;
    align-items: center;
    justify-content: flex-end;

    background: transparent;
    border-bottom: none;

    z-index: 999;
}

.logo {
    display: none;
}

.menu {
    display: flex;
    align-items: center;
    gap: 40px;
}

.menu a {
    color: #ffffff;
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
}

.menu a:hover {
    color: #1d426d;
}

/* =========================================
   MAIN HERO
========================================= */

.hero {
    width: 100%;
    min-height: 360px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 60px 8% 30px;
    box-sizing: border-box;
    background: #123b68;
    color: #fff;
    text-align: center;
}
.hero-text {
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
}

.small-title {
    margin: 0 0 8px;
    font-size: 12px;
    letter-spacing: 3px;
    font-weight: 600;
}

.hero h1 {
    margin: 0 0 12px;
    font-size: 36px;
    line-height: 1.2;
    font-weight: 700;
}

.hero p {
    font-size: 14px;
    margin: 4px 0;
}

.hero button {
    margin-top: 15px;

    padding: 10px 25px;

    border: none;

    background: #fff;
    color: #222;

    font-size: 14px;

    cursor: pointer;
}

/* =========================================
   회사소개
========================================= */

.section {
    width: 100%;

    padding: 110px 7%;

    text-align: center;
}


.section h2 {
    margin: 0 0 30px;

    font-size: 40px;

    color: #17202a;
}


.section > p {
    max-width: 800px;

    margin: 10px auto;

    font-size: 16px;

    color: #666;
}


/* 회사정보 */

.company-info {
    max-width: 900px;

    margin: 55px auto 0;

    display: grid;

    grid-template-columns:
        repeat(3, 1fr);

    border-top: 1px solid #ddd;
    border-bottom: 1px solid #ddd;
}


.company-info div {
    padding: 28px 20px;

    border-right: 1px solid #ddd;
}

.company-info div:last-child {
    border-right: none;
}


.company-info strong {
    display: block;

    margin-bottom: 8px;

    color: #1d426d;

    font-size: 14px;
}


.company-info p {
    margin: 0;

    font-size: 16px;
}


/* =========================================
   주요 제품
========================================= */

.products-section {
    width: 100%;
    padding: 55px 6%;
    background: #f6f8fa;
}


/* 제목 */

.products-title {
    text-align: center;

    margin-bottom: 30px;
}


.products-title span {
    display: block;

    margin-bottom: 12px;

    color: #1d426d;

    font-size: 13px;

    font-weight: 700;

    letter-spacing: 4px;
}


.products-title h2 {
    margin: 0;

    font-size: 42px;

    line-height: 1.3;

    color: #17202a;
}


.products-title p {
    margin: 18px 0 0;

    font-size: 16px;

    color: #777;
}


/* 제품 3개 */

.product-grid {
    width: 100%;

    max-width: 1280px;

    margin: 0 auto;

    display: grid;

    grid-template-columns:
        repeat(3, minmax(0, 1fr));

    gap: 30px;
}


/* 카드 */

.product-card {
    min-width: 0;

    overflow: hidden;

    background: #fff;

    border-radius: 8px;

    box-shadow:
        0 8px 30px rgba(0, 0, 0, 0.08);

    transition:
        transform 0.3s ease,
        box-shadow 0.3s ease;
}


.product-card:hover {
    transform: translateY(-8px);

    box-shadow:
        0 18px 45px rgba(0, 0, 0, 0.14);
}


/* 제품 사진 */

.product-photo {
    width: 100%;

    height: 320px;

    overflow: hidden;

    background: #f3f3f3;
}


.product-photo img {
    width: 100%;
    height: 100%;

    display: block;

    object-fit: cover;

    transition: transform 0.5s ease;
}


.product-card:hover
.product-photo img {
    transform: scale(1.05);
}


/* 제품 내용 */

.product-content {
    padding: 30px;

    min-height: 260px;
}


.product-number {
    color: #1d426d;

    font-size: 13px;

    font-weight: 700;

    letter-spacing: 2px;
}


.product-content h3 {
    margin: 12px 0 14px;

    font-size: 24px;

    color: #17202a;
}


.product-content p {
    margin: 0;

    color: #666;

    font-size: 15px;

    line-height: 1.8;
}


/* 자세히 보기 */

.product-more {
    display: inline-flex;

    align-items: center;

    gap: 12px;

    margin-top: 25px;

    padding-bottom: 5px;

    color: #1d426d;

    text-decoration: none;

    font-size: 14px;

    font-weight: 600;

    border-bottom: 1px solid #1d426d;
}


.product-more span {
    font-size: 18px;

    transition: 0.3s;
}


.product-more:hover span {
    transform: translateX(5px);
}


/* =========================================
   주문제작
========================================= */

.custom {
    width: 100%;

    padding: 120px 20px;

    text-align: center;

    background: #17202a;

    color: #fff;
}


.custom h2 {
    margin: 0 0 25px;

    font-size: 40px;
}


.custom p {
    max-width: 750px;

    margin: 8px auto;

    font-size: 17px;

    line-height: 1.9;

    color: #ddd;
}


.custom button {
    margin-top: 30px;

    padding: 15px 35px;

    border: 1px solid #fff;

    background: transparent;

    color: #fff;

    font-size: 15px;

    cursor: pointer;

    transition: 0.3s;
}


.custom button:hover {
    background: #fff;

    color: #17202a;
}


/* =========================================
   중국 생산공장
========================================= */

#factory {
    background: #fff;
}


#factory p {
    max-width: 750px;
}


/* =========================================
   문의하기
========================================= */

.contact {
    width: 100%;

    padding: 110px 20px;

    text-align: center;

    background: #f6f8fa;
}


.contact h2 {
    margin: 0 0 25px;

    font-size: 40px;
}


.contact > p {
    color: #666;

    font-size: 16px;
}


/* 연락처 */

.contact-info {
    max-width: 900px;

    margin: 45px auto 0;

    display: grid;

    grid-template-columns:
        repeat(3, 1fr);

    gap: 20px;
}


.contact-info p {
    margin: 0;

    padding: 30px 20px;

    background: #fff;

    border: 1px solid #e5e5e5;

    border-radius: 6px;

    color: #555;

    line-height: 1.8;
}


.contact-info strong {
    display: block;

    margin-bottom: 10px;

    color: #1d426d;

    font-size: 14px;
}


/* =========================================
   FOOTER
========================================= */

footer {
    width: 100%;

    padding: 50px 7%;

    background: #111;

    color: #aaa;

    text-align: center;

    font-size: 13px;
}


.footer-company strong {
    color: #fff;

    font-size: 17px;
}


.footer-company p {
    margin: 6px 0;
}


.copyright {
    margin-top: 30px;

    padding-top: 25px;

    border-top: 1px solid #333;
}


/* =========================================
   모바일
========================================= */

@media (max-width: 900px) {

  .header {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 82px;
    padding: 0 25px;
    box-sizing: border-box;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    background: transparent;
    border-bottom: none;
    z-index: 999;
}

.logo {
    display: none;
}

.menu {
    display: flex;
    align-items: center;
    gap: 40px;
}

.menu a {
    color: #fff;
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
}


  .hero {
    width: 100%;
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 100px 8% 40px;
    box-sizing: border-box;
    background: #123b68;
    color: #fff;
    text-align: center;
}


    .hero p {
        font-size: 16px;
    }


    .product-grid {
        grid-template-columns: 1fr;

        max-width: 550px;
    }


    .company-info {
        grid-template-columns: 1fr;
    }


    .company-info div {
        border-right: none;

        border-bottom: 1px solid #ddd;
    }


    .company-info div:last-child {
        border-bottom: none;
    }


    .contact-info {
        grid-template-columns: 1fr;

        max-width: 550px;
    }

}

/* =========================================
   견적 문의 페이지
========================================= */

.inquiry-section {
    width: 100%;
    padding: 100px 20px 120px;
    background: #f4f7fa;
}


/* 문의 전체 영역 */

.inquiry-container {
    width: 100%;
    max-width: 1000px;
    margin: 0 auto;
}


/* 제목 */

.inquiry-title {
    text-align: center;
    margin-bottom: 50px;
}

.inquiry-title span {
    display: block;
    margin-bottom: 10px;

    color: #1d426d;

    font-size: 13px;
    font-weight: 700;
    letter-spacing: 4px;
}

.inquiry-title h1 {
    margin: 0 0 15px;

    color: #17202a;

    font-size: 42px;
    font-weight: 700;
}

.inquiry-title p {
    margin: 0;

    color: #777;

    font-size: 16px;
}


/* =========================================
   문의 폼
========================================= */

.inquiry-form {
    width: 100%;

    padding: 55px;

    background: #fff;

    border-radius: 10px;

    box-shadow:
        0 10px 40px rgba(0, 0, 0, 0.08);
}


/* 2칸 배치 */

.form-group {
    margin-bottom: 25px;
}


/* 성명 / 회사명 / 연락처 / 이메일 등을 2칸으로 */

.inquiry-form .form-group:nth-child(4),
.inquiry-form .form-group:nth-child(5),
.inquiry-form .form-group:nth-child(6),
.inquiry-form .form-group:nth-child(7),
.inquiry-form .form-group:nth-child(8) {
    width: calc(50% - 10px);
    display: inline-block;
    vertical-align: top;
}


/* 두 번째 칸 */

.inquiry-form .form-group:nth-child(5),
.inquiry-form .form-group:nth-child(7) {
    margin-left: 16px;
}


/* 라벨 */

.form-group label {
    display: block;

    margin-bottom: 9px;

    color: #222;

    font-size: 15px;
    font-weight: 600;
}


/* 필수 표시 */

.form-group label em {
    color: #d65a3a;

    font-style: normal;

    margin-left: 3px;
}


/* 입력창 */

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;

    padding: 15px 16px;

    border: 1px solid #d9dfe5;

    border-radius: 5px;

    background: #fff;

    color: #333;

    font-family: inherit;

    font-size: 15px;

    outline: none;

    transition: all 0.2s ease;

    appearance: none;
}


/* 포커스 */

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: #1d426d;

    box-shadow:
        0 0 0 3px rgba(29, 66, 109, 0.08);
}


/* 선택박스 */

.form-group select {
    cursor: pointer;

    background:
        #fff
        url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%23666' stroke-width='1.5'/%3E%3C/svg%3E")
        no-repeat;

    background-position: right 17px center;

    padding-right: 45px;
}


/* 문의내용 */

.form-group textarea {
    min-height: 190px;

    resize: vertical;

    line-height: 1.7;
}


/* 파일 */

.form-group input[type="file"] {
    padding: 11px;

    background: #fafafa;

    cursor: pointer;
}


/* 파일 설명 */

.form-group small {
    display: block;

    margin-top: 8px;

    color: #888;

    font-size: 12px;
}


/* =========================================
   개인정보 동의
========================================= */

.privacy-box {
    margin-top: 10px;
    margin-bottom: 30px;

    padding: 18px 20px;

    background: #f6f8fa;

    border: 1px solid #e5e9ed;

    border-radius: 5px;
}

.privacy-box label {
    color: #555;

    font-size: 14px;

    cursor: pointer;
}

.privacy-box input {
    width: 16px;
    height: 16px;

    margin-right: 8px;

    vertical-align: -3px;

    accent-color: #1d426d;
}


/* =========================================
   문의 보내기 버튼
========================================= */

.inquiry-submit {
    width: 100%;

    height: 58px;

    border: none;

    border-radius: 5px;

    background: #123b68;

    color: #fff;

    font-family: inherit;

    font-size: 16px;

    font-weight: 600;

    cursor: pointer;

    transition: all 0.3s ease;
}

.inquiry-submit:hover {
    background: #0b2b4c;

    transform: translateY(-2px);

    box-shadow:
        0 8px 20px rgba(18, 59, 104, 0.2);
}


/* =========================================
   모바일
========================================= */

@media (max-width: 700px) {

    .inquiry-section {
        padding: 70px 15px 80px;
    }

    .inquiry-title h1 {
        font-size: 32px;
    }

    .inquiry-title p {
        font-size: 14px;
    }

    .inquiry-form {
        padding: 30px 20px;
    }

    /* 모바일에서는 전부 한 줄 */

    .inquiry-form .form-group:nth-child(4),
    .inquiry-form .form-group:nth-child(5),
    .inquiry-form .form-group:nth-child(6),
    .inquiry-form .form-group:nth-child(7),
    .inquiry-form .form-group:nth-child(8) {

        width: 100%;

        display: block;

        margin-left: 0;
    }

}

.inquiry-button {
    display: inline-block;
    margin-top: 30px;
    padding: 15px 35px;

    border: 1px solid #fff;
    border-radius: 5px;

    background: transparent;
    color: #fff;

    text-decoration: none;

    font-size: 15px;
    font-weight: 600;

    cursor: pointer;

    transition: 0.3s;
}

.inquiry-button:hover {
    background: #fff;
    color: #123b68;
}
/* =================================
   레치인터내셔널 로고
================================= */

.header-logo {
    width: 210px;
    height: 78px;

    display: flex;
    align-items: center;
    justify-content: flex-start;

    overflow: hidden;
}

.header-logo a {
    display: block;
    line-height: 0;
}

.header-logo img {
    width: 210px;
    height: auto;

    display: block;
    margin: 0;
    padding: 0;

    object-fit: contain;
}

/* 로고 왼쪽 정렬 */
.header-inner {
    width: 100%;
    height: 72px;
    margin: 0;
    padding: 0 40px;

    display: flex;
    align-items: center;
    justify-content: space-between;

    box-sizing: border-box;
}

.header-logo {
    margin: 0;
    padding: 0;

    display: flex;
    align-items: center;
    justify-content: flex-start;

    flex-shrink: 0;
}

.header-logo img {
    width: 165px;
    height: auto;
    display: block;
    margin: 0;
    padding: 0;
}
/* =========================
   제품 상세 페이지
========================= */

.product-detail {
    max-width: 1200px;
    margin: 0 auto;
    padding: 100px 40px;
}


.product-detail-title {
    text-align: center;
    margin-bottom: 70px;
}


.product-detail-title span {
    display: block;

    margin-bottom: 15px;

    color: #123b68;

    font-size: 14px;

    font-weight: 700;

    letter-spacing: 4px;
}


.product-detail-title h1 {
    margin: 0 0 20px;

    color: #111;

    font-size: 46px;

    font-weight: 700;
}


.product-detail-title p {
    color: #666;

    font-size: 17px;

    line-height: 1.8;
}


/* 제품 항목 */

.product-detail-list {
    display: grid;

    grid-template-columns: repeat(3, 1fr);

    gap: 25px;
}


.detail-item {
    padding: 35px;

    background: #f6f8fa;

    border-radius: 8px;

    border: 1px solid #e5e9ed;

    transition: 0.3s;
}


.detail-item:hover {
    transform: translateY(-5px);

    box-shadow: 0 15px 35px rgba(0,0,0,0.08);
}


.detail-item h2 {
    margin-bottom: 18px;

    color: #123b68;

    font-size: 22px;
}


.detail-item p {
    margin: 0;

    color: #666;

    font-size: 15px;

    line-height: 1.8;
}


/* 제품 목록 돌아가기 */

.back-button {
    margin-top: 60px;

    text-align: center;
}


.back-button a {
    display: inline-block;

    padding: 15px 30px;

    background: #123b68;

    color: #fff;

    text-decoration: none;

    border-radius: 4px;

    font-size: 14px;

    transition: 0.3s;
}


.back-button a:hover {
    background: #0b2949;
}


/* 모바일 */

@media (max-width: 768px) {

    .product-detail {
        padding: 70px 20px;
    }

    .product-detail-title h1 {
        font-size: 34px;
    }

    .product-detail-list {
        grid-template-columns: 1fr;
    }

}
/* =========================
   방진 제품 상세페이지
========================= */

.vibration-product {
    max-width: 1200px;
    margin: 0 auto;
    padding: 80px 20px;
}

.vibration-product h1 {
    font-size: 36px;
    margin-bottom: 50px;
}

.vibration-item {
    margin-bottom: 70px;
}

.vibration-item h2 {
    font-size: 22px;
    font-weight: 500;
    margin-bottom: 25px;
}

.vibration-catalog img {
    width: 60%;
    max-width: 800px;
    height: auto;
    display: block;
}

/* 제목 */

.vibration-title {
    text-align: center;
    margin-bottom: 60px;
}


.vibration-title span {
    display: block;

    margin-bottom: 15px;

    color: #123b68;

    font-size: 14px;

    font-weight: 700;

    letter-spacing: 4px;
}


.vibration-title h1 {
    margin: 0 0 20px;

    color: #111;

    font-size: 46px;

    font-weight: 700;
}


.vibration-title p {
    margin: 0;

    color: #666;

    font-size: 16px;

    line-height: 1.8;
}


/* 제품 규격 이미지 */

.vibration-catalog img {
    width: 60%;
    max-width: 800px;
    height: auto;
    display: block;
    margin: 0 auto;
}


/* 견적 문의 버튼 */

.vibration-inquiry {
    text-align: center;

    margin-top: 50px;
}


.vibration-inquiry a {
    display: inline-block;

    padding: 16px 35px;

    background: #123b68;

    color: #fff;

    text-decoration: none;

    font-size: 15px;

    font-weight: 600;

    border-radius: 4px;

    transition: 0.3s;
}


.vibration-inquiry a:hover {
    background: #0d2d50;
}


/* 제품 목록 */

/* 제품 목록으로 돌아가기 버튼 */

.vibration-product .back-button {
    margin-top: 30px;
    text-align: center;
}

.vibration-product .back-button a {
    display: inline-block;

    padding: 15px 30px;

    background: #123b68;
    color: #ffffff !important;

    border: 1px solid #123b68;
    border-radius: 5px;

    text-decoration: none;

    font-size: 15px;
    font-weight: 600;

    transition: 0.3s;
}

.vibration-product .back-button a:hover {
    background: #ffffff;
    color: #123b68 !important;
}


/* 모바일 */

@media (max-width: 768px) {

    .vibration-product {
        padding: 70px 20px;
    }


    .vibration-title h1 {
        font-size: 34px;
    }


    .vibration-title p {
        font-size: 14px;
    }

}
/* 방진 제품 상세페이지 */
.vibration-product {
    max-width: 1200px;
    margin: 0 auto;
    padding: 80px 20px;
}

.vibration-product h1 {
    font-size: 36px;
    margin-bottom: 45px;
}

/* 제품 항목 */
.vibration-item {
    width: 100%;
    margin-bottom: 35px;
}

/* 제품 이름 */
.vibration-item summary {
    cursor: pointer;
    font-size: 21px;
    font-weight: 500;
    padding: 10px 0;
    margin-left: 0;
    list-style: none;
}

/* 기본 ▶ 표시 제거 */
.vibration-item summary::-webkit-details-marker {
    display: none;
}

/* 제품 이름 앞에 + 표시 */
.vibration-item summary::before {
    content: "+";
    display: inline-block;
    width: 25px;
    font-size: 20px;
    font-weight: 400;
}

/* 클릭해서 열렸을 때 - 표시 */
.vibration-item[open] summary::before {
    content: "−";
}

/* 제품 이미지 */
.vibration-image {
    margin-top: 20px;
    margin-left: 25px;
}

.vibration-image img {
    width: 60%;
    max-width: 800px;
    height: auto;
    display: block;
}

/* 제품 목록으로 돌아가기 */
.vibration-product .back-button {
    margin-top: 50px;
    text-align: center;
}

.vibration-product .back-button a {
    display: inline-block;
    padding: 15px 30px;
    background: #123b68;
    color: #ffffff !important;
    border: 1px solid #123b68;
    border-radius: 5px;
    text-decoration: none;
    font-size: 15px;
    font-weight: 600;
}

.vibration-product .back-button a:hover {
    background: #ffffff;
    color: #123b68 !important;
}

.bracket-home {
    text-align: center;
    margin-top: 20px;
}

.bracket-home a {
    display: inline-block;

    padding: 14px 30px;

    background: #fff;
    color: #123f70;

    border: 1px solid #123f70;
    border-radius: 4px;

    font-size: 14px;
    font-weight: 600;

    text-decoration: none;

    transition: all 0.3s ease;
}

.bracket-home a:hover {
    background: #123f70;
    color: #fff;
}

.custom-home {
    text-align: center;
    margin-top: 20px;
}

.custom-home a {
    display: inline-block;

    padding: 14px 30px;

    background: #fff;
    color: #123f70;

    border: 1px solid #123f70;
    border-radius: 4px;

    font-size: 14px;
    font-weight: 600;

    text-decoration: none;

    transition: all 0.3s ease;
}

.custom-home a:hover {
    background: #123f70;
    color: #fff;
}