/* CSS Reset & Global */
* {
    margin: 0;
    padding: 0;
    outline: none;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

body {
    background: #ffffff;
    font-family: 'Pretendard', sans-serif;
    color: #111;
    overflow-x: hidden;
}

/* Utility Classes */
.pc_br {
    display: inline;
}

.m_br {
    display: none;
}

@media (max-width: 1024px) {
    .pc_br {
        display: none;
    }

    .m_br {
        display: inline;
    }
}

/* Hero Section */
.ev-new-hero {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    width: 100%;
    height: 60vh;
    min-height: 400px;
    padding: 0 24px;
    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5));
    color: #fff;
    text-align: center;
}

.ev-new-hero.company:before {
    position: absolute;
    top: 0;
    left: 0;
    z-index: -1;
    width: 100%;
    height: 100%;
    background: url('/img/m1.png') no-repeat center/cover;
    content: "";
}

.ev-new-hero.clean:before {
    position: absolute;
    top: 0;
    left: 0;
    z-index: -1;
    width: 100%;
    height: 100%;
    background: url('/img/s2.jpg') no-repeat center/cover;
    content: "";
}

.ev-new-hero.security:before {
    position: absolute;
    top: 0;
    left: 0;
    z-index: -1;
    width: 100%;
    height: 100%;
    background: url('/img/s3.jpg') no-repeat center/cover;
    content: "";
}

.ev-new-hero.facility:before {
    position: absolute;
    top: 0;
    left: 0;
    z-index: -1;
    width: 100%;
    height: 100%;
    background: url('/img/s1.jpg') no-repeat center/cover;
    content: "";
}


.ev-new-hero.outsourcing:before {
    position: absolute;
    top: 0;
    left: 0;
    z-index: -1;
    width: 100%;
    height: 100%;
    background: url('/img/s4.jpg') no-repeat center/cover;
    content: "";
}


.ev-new-hero.customer:before {
    position: absolute;
    top: 0;
    left: 0;
    z-index: -1;
    width: 100%;
    height: 100%;
    background: url('/img/s5.jpg') no-repeat center/cover;
    content: "";
}

.ev-hero-content {
    width: 100%;
    max-width: 800px;
}

.ev-hero-badge {
    display: inline-block;
    padding: 6px 16px;
    border-radius: 20px;
    background: #2563eb;
    font-size: 14px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 20px;
    margin-top:60px;
}

.ev-hero-title {
    font-size: 48px;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 10px;
}

@media (max-width: 767px) {
    .ev-hero-title {
        font-size: 32px;
    }
}

.ev-hero-desc {
    font-size: 18px;
    font-weight: 400;
    line-height: 1.6;
    opacity: 0.9;
}

@media (max-width: 767px) {
    .ev-hero-desc {
        font-size: 15px;
    }
}

/* Concept Section */
.concept-section {
    max-width: 1100px;
    padding: 40px 0;
    margin-bottom: 120px;
    margin-left: auto;
    margin-right: auto;
}

@media (max-width: 1024px) {
    .concept-section {
        padding-top: 80px;
        margin-bottom: 80px;
        padding:0 20px;
    }
}

.concept-section .image-box {
    max-width: 1200px;
    height: 450px;
    margin: 0 auto;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    margin-bottom: 50px;
}

.concept-section .image-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.concept-section .text-box {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.concept-section .text-box .sub-title {
    display: block;
    font-size: 20px;
    font-weight: 700;
    color: #2563eb;
    margin-bottom: 10px;
    display:none;
}

.concept-section .text-box .title {
    font-size: 36px;
    font-weight: 700;
    line-height: 1.4;
    color: #111;
    margin-bottom: 25px;
}

@media (max-width: 767px) {
    .concept-section .text-box .title {
        font-size: 28px;
    }
}

.concept-section .text-box .desc {
    font-size: 18px;
    line-height: 1.8;
    color: #555;
}

@media (max-width: 767px) {
    .concept-section .text-box .desc {
        font-size: 16px;
    }
}




/* Customer Center Form (customer.html) - Upgraded */
.cust-inquiry-form-wrap {
    max-width: 1000px;
    margin: 0 auto;
    padding: 60px;
    background: #fff;
    border-radius: 24px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.05);
    border: 1px solid #eee;
}

@media (max-width: 767px) {
    .cust-inquiry-form-wrap {
        padding: 30px 20px;
    }
}

.cust-form-row {
    display: flex;
    gap: 30px;
    margin-bottom: 24px;
}

@media (max-width: 767px) {
    .cust-form-row {
        flex-direction: column;
        gap: 24px;
        margin-bottom: 24px;
    }
}

.cust-form-group {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.cust-form-group.full {
    width: 100%;
}

.cust-form-label {
    display: block;
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 10px;
    color: #111;
}

.cust-form-label span {
    color: #e11d48;
    margin-left: 4px;
}

.cust-form-input,
.cust-form-select,
.cust-form-textarea {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    font-family: 'Pretendard', sans-serif;
    font-size: 15px;
    color: #333;
    background: #f9fafb;
    transition: all 0.2s;
}

.cust-form-input:focus,
.cust-form-select:focus,
.cust-form-textarea:focus {
    background: #fff;
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.cust-form-input::placeholder,
.cust-form-textarea::placeholder {
    color: #9ca3af;
}

.cust-form-textarea {
    height: 200px;
    resize: vertical;
    line-height: 1.6;
}

/* Privacy Policy Section */
.privacy-agree-wrap {
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid #eee;
}

.privacy-box {
    width: 100%;
    height: 120px;
    padding: 20px;
    background: #f8f9fa;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    overflow-y: auto;
    font-size: 13px;
    color: #666;
    line-height: 1.6;
    margin-bottom: 15px;
}

.privacy-check {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 8px;
    cursor: pointer;
}

.privacy-check input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: #2563eb;
}

.privacy-check label {
    font-size: 15px;
    color: #333;
    cursor: pointer;
    font-weight: 500;
}

.cust-form-btn-wrap {
    margin-top: 50px;
    text-align: center;
}

.cust-form-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 200px;
    padding: 18px 40px;
    background: #2563eb;
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 18px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
}

.cust-form-btn:hover {
    background: #1d4ed8;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(37, 99, 235, 0.3);
}





/* ZigZag Section */
.ev-section-wrap {
    width: 100%;
    padding: 50px 0;

}

@media (max-width: 1024px) {
    .ev-section-wrap {
        padding: 80px 20px;
    }
}

.ev-container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0;
}

.ev-flex-row {
    display: flex;
    gap: 80px;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 120px;
}

.ev-flex-row:last-child {
    margin-bottom: 0;
}

.ev-flex-row.reverse {
    flex-direction: row-reverse;
}

@media (max-width: 1024px) {
    .ev-flex-row {
        gap: 40px;
        flex-direction: column;
        margin-bottom: 80px;
    }

    .ev-flex-row.reverse {
        flex-direction: column;
    }
}

.ev-img-side {
    flex: 1;
    position: relative;
    width: 100%;
}

.ev-img-frame {
    position: relative;
    width: 100%;
    height: 0;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    background: #f1f1f1;
    padding-bottom: 65%;
}

.ev-img-frame img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    transition: transform 0.5s ease;
    object-fit: cover;
}

.ev-img-frame:hover img {
    transform: scale(1.03);
}

.ev-text-side {
    flex: 1;
    width: 100%;
}

.ev-sec-label {
    display: block;
    font-size: 16px;
    font-weight: 700;
    color: #2563eb;
    text-transform: uppercase;
    margin-bottom: 16px;
}

.ev-sec-title {
    display: block;
    font-size: 36px;
    font-weight: 700;
    line-height: 1.3;
    color: #111;
    margin-bottom: 24px;
}

@media (max-width: 767px) {
    .ev-sec-title {
        font-size: 28px;
    }
}

.ev-sec-desc {
    display: block;
    font-size: 18px;
    line-height: 1.7;
    color: #555;
    word-break: keep-all;
    margin-bottom: 30px;
}

@media (max-width: 767px) {
    .ev-sec-desc {
        font-size: 16px;
    }
}

.ev-check-list {
    display: flex;
    gap: 12px;
    flex-direction: column;
}

.ev-check-item {
    display: flex;
    gap: 10px;
    align-items: center;
    font-size: 16px;
    font-weight: 500;
    color: #333;
}

.ev-check-item i {
    font-size: 20px;
    color: #2563eb;
}

/* Hero Component (Title Area) */
.opt-hero-wrap {
    display: flex;
    justify-content: center;
    width: 100%;
    padding: 100px 24px 60px 24px;
    background: #ffffff;
}

@media (max-width: 1024px) {
    .opt-hero-wrap {
        padding: 80px 20px 50px 20px;
    }
}

.opt-hero-inner {
    width: 100%;
    max-width: 1200px;
    text-align: center;
}

.opt-main-tit {
    font-size: 48px;
    font-weight: 700;
    line-height: 1.3;
    color: #111111;
    letter-spacing: -1px;
    margin-bottom: 20px;
}

@media (max-width: 767px) {
    .opt-main-tit {
        font-size: 32px;
    }
}

.opt-sub-txt {
    font-size: 20px;
    font-weight: 400;
    line-height: 1.6;
    color: #666666;
}

@media (max-width: 767px) {
    .opt-sub-txt {
        font-size: 16px;
    }
}

/* Cards Grid Component */
.opt-cards-wrap {
    display: flex;
    justify-content: center;
    width: 100%;
    padding: 0 24px 120px 24px;
    background: #ffffff;
    margin-top:70px;
}

@media (max-width: 1024px) {
    .opt-cards-wrap {
        padding: 0 20px 100px 20px;
    }
}

.opt-cards-inner {
    width: 100%;
    max-width: 1200px;
}

.card-grid {
    display: grid;
    gap: 30px;
    grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 1024px) {
    .card-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 767px) {
    .card-grid {
        grid-template-columns: 1fr;
    }
}

.card-grid.col-3 {
    grid-template-columns: repeat(3, 1fr);
}

@media (max-width: 1024px) {
    .card-grid.col-3 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 767px) {
    .card-grid.col-3 {
        grid-template-columns: 1fr;
    }
}

.card-item {
    display: flex;
    gap: 20px;
    align-items: center;
    flex-direction: column;
    padding: 40px 30px;
    border: 1px solid #eeeeee;
    border-radius: 24px;
    background: #f8f9fa;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
    cursor: pointer;
}

.card-item:hover {
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
    transform: translateY(-10px);
    border-color: #2563eb;
}

.icon-box {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    background: #ffffff;
    margin-bottom: 10px;
}

.icon-box i {
    font-size: 36px;
    color: #2563eb;
}

.card-tit {
    font-size: 24px;
    font-weight: 700;
    color: #111111;
    margin-bottom: 10px;
}

.card-desc {
    font-size: 16px;
    font-weight: 400;
    line-height: 1.6;
    color: #555555;
}

/* Banner CTA */
.ev-banner-wrap {
    display: block;
    position: relative;
    width: 100%;
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('/img/m3.png') no-repeat 50% 50%;
    background-size: cover;
    color: #fff;
}

.ev-banner-container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 120px 24px;
    text-align: center;
}

@media (max-width: 1024px) {
    .ev-banner-container {
        padding: 100px 20px;
    }
}

@media (max-width: 767px) {
    .ev-banner-container {
        padding: 80px 16px;
    }
}

.ev-banner-title {
    display: block;
    font-size: 40px;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 20px;
}

@media (max-width: 767px) {
    .ev-banner-title {
        font-size: 28px;
    }
}

.ev-banner-desc {
    display: block;
    font-size: 18px;
    font-weight: 400;
    margin-bottom: 40px;
    opacity: 0.9;
}

@media (max-width: 767px) {
    .ev-banner-desc {
        font-size: 15px;
    }
}

.ev-btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 56px;
    padding: 0 40px;
    border-radius: 8px;
    background: #2563eb;
    font-size: 18px;
    font-weight: 700;
    color: #fff;
    text-decoration: none;
    transition: background 0.2s;
    cursor: pointer;
}

.ev-btn-primary:hover {
    background: #1d4ed8;
}

/* Sub Navigation Bar */
.sub-nav-bar {
    width: 100%;
    background: #fff;
    border-bottom: 1px solid #eee;
    box-shadow: 0 2px 10px rgba(0,0,0,0.03);
    z-index: 99;
}
.sub-nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}
.sub-nav-list {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}
.sub-nav-list li a {
    display: block;
    padding: 20px 0;
    font-size: 18px;
    font-weight: 500;
    color: #555;
    position: relative;
    transition: color 0.3s;
}
.sub-nav-list li.active a {
    color: #2563eb;
    font-weight: 700;
}
.sub-nav-list li.active a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: #2563eb;
}
.sub-nav-list li a:hover {
    color: #2563eb;
}

@media (max-width: 767px) {
    .sub-nav-list {
        gap: 20px;
        justify-content: flex-start;
        overflow-x: auto;
        white-space: nowrap;
        padding-bottom: 0;
        -webkit-overflow-scrolling: touch;
    }
    .sub-nav-list::-webkit-scrollbar {
        display: none;
    }
    .sub-nav-list li a {
        padding: 15px 0;
        font-size: 16px;
    }
}