/* 기본 리셋 및 공통 스타일 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Noto Sans KR', sans-serif;
}

body {
    color: #333;
    line-height: 1.6;
}

/* 이미지 스타일 */
img {
    max-width: 100%;
    height: auto;
}

/* 리스트 스타일 */
ul, ol {
    list-style: none;
}

/* 링크 스타일 */
a {
    text-decoration: none;
    color: inherit;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 헤더 스타일 */
header {
    background-color: #0a1741;
    padding: 20px 0;
    color: white;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo img {
    height: 20px;
}

nav ul {
    display: flex;
    gap: 20px;
}

nav ul li a {
    font-size: 16px;
    transition: color 0.3s;
}

nav ul li a:hover {
    color: #007bff;
}

/* 메인 배너 스타일 */
.main-banner {
    height: 450px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    display: flex;
    align-items: center;
    margin-top: 0;
    position: relative;
}

.main-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
}

.banner-content {
    position: relative;
    color: white;
    max-width: 700px;
    padding: 30px;
}

.banner-content h1 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 15px;
    line-height: 1.4;
}

.banner-content p {
    font-size: 16px;
    margin-bottom: 8px;
    line-height: 1.5;
}

/* 소개 섹션 스타일 */
.introduce {
    padding: 50px 0;
    background-color: #f8f9fa;
    scroll-margin-top: 70px;
}

.introduce .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.intro-left {
    flex: 1;
}

/* 모든 h2 태그에 대한 공통 스타일 */
.intro-left h2,
.solution-left h2,
.hybrid-right h2,
.cases-left h2,
.contact-left h2,
.stat-item h2 {
    font-size: 14px;
    font-weight: 700;
    color: #007bff;
    margin-bottom: 20px;
}

.intro-left h3 {
    font-size: 38px;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 30px;
}

.intro-left .btn {
    display: inline-block;
    background-color: #007bff;
    color: white;
    padding: 10px 20px;
    border-radius: 5px;
    font-weight: 500;
    transition: background-color 0.3s;
}

.intro-left .btn:hover {
    background-color: #0056b3;
}

.intro-right {
    flex: 1;
    display: flex;
    justify-content: space-around;
    text-align: center;
}

.stat-item h2 {
    font-size: 42px;
    color: #007bff;
    margin-bottom: 5px;
}

.stat-item p {
    font-size: 16px;
    color: #666;
}

/* 솔루션 섹션 스타일 */
.solution {
    padding: 50px 0;
    background-color: white;
    scroll-margin-top: 70px;
}

.solution .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 50px;
}

.solution-left {
    flex: 1;
}

.solution-left h2,
.hybrid-left h2 {
    font-size: 14px;
    color: #007bff;
    margin-bottom: 20px;
}

.solution-left h3 {
    font-size: 38px;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 30px;
}

.solution-left ul {
    margin-top: 20px;
}

.solution-left ul li {
    margin-bottom: 15px;
    padding-left: 25px;
    position: relative;
    font-size: 24px;
    font-weight: 300;
    line-height: 1.5;
}

.solution-left ul li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: #007bff;
    font-size: 20px;
}

.solution-right {
    flex: 1;
}

.solution-right img {
    max-width: 100%;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

/* 하이브리드 레코드 섹션 스타일 */
.hybrid-record {
    padding: 50px 0;
    background-color: #f8f9fa;
    scroll-margin-top: 70px;
}

.hybrid-record .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 50px;
}

.hybrid-left {
    flex: 1;
}

.hybrid-left img {
    max-width: 100%;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.hybrid-right {
    flex: 1;
}

.hybrid-right h2 {
    font-size: 14px;
    color: #007bff;
    margin-bottom: 20px;
}

.hybrid-right h3 {
    font-size: 38px;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 30px;
}

.hybrid-right ul {
    margin-top: 20px;
}

.hybrid-right ul li {
    margin-bottom: 15px;
    padding-left: 25px;
    position: relative;
    font-size: 24px;
    font-weight: 300;
    line-height: 1.5;
}

.hybrid-right ul li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: #007bff;
    font-size: 20px;
}

/* 솔루션 사례 섹션 스타일 */
.solution-cases {
    padding: 50px 0;
    background-color: white;
    scroll-margin-top: 70px;
}

.solution-cases .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 50px;
}

.cases-left {
    flex: 1;
    text-align: center;
}

.cases-left h2 {
    font-size: 14px;
    color: #007bff;
    margin-bottom: 20px;
    text-align: center;
}

.cases-left h3 {
    font-size: 38px;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 30px;
}

.cases-right {
    flex: 2;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.case-item {
    background-color: #f8f9fa;
    padding: 30px;
    border-radius: 10px;
    transition: transform 0.3s, box-shadow 0.3s;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.case-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #007bff;
    margin-bottom: 20px;
}

.icon i {
    font-size: 24px;
    color: white;
}

.case-item h4 {
    font-size: 20px;
    margin-bottom: 10px;
    color: #333;
    width: 100%;
    text-align: center;
}

.case-item p {
    font-size: 16px;
    color: #666;
    line-height: 1.5;
    width: 100%;
    text-align: center;
}

/* 문의하기 섹션 스타일 */
.contact-us {
    padding: 50px 0;
    background-color: #0a1741;
    color: white;
    scroll-margin-top: 70px;
}

.contact-us .container {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 50px;
}

.contact-left {
    flex: 1;
}

.contact-left h2 {
    font-size: 14px;
    color: #007bff;
    margin-bottom: 20px;
}

.contact-left h3 {
    font-size: 38px;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 30px;
}

.contact-left p {
    font-size: 16px;
    line-height: 1.5;
    color: #ccc;
}

.contact-right {
    flex: 2;
    width: 100%;
}

form {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    width: 100%;
}

.form-row {
    margin-bottom: 12px;
}

.form-row:nth-last-child(2),
.form-row:last-child {
    grid-column: span 2;
}

label {
    display: block;
    margin-bottom: 3px;
    font-size: 14px;
    color: #ccc;
}

input, select {
    width: 100%;
    padding: 0 12px;
    border-radius: 5px;
    border: 1px solid #ccc;
    background-color: white;
    height: 42px;
    font-size: 14px;
}

select {
    color: #666;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23666666' d='M6 8.825L1.175 4 2.238 2.938 6 6.7l3.763-3.762L10.825 4z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 30px;
}

select:required:invalid {
    color: #666;
}

select option {
    color: #333;
    padding: 8px;
}

.submit-btn {
    grid-column: span 2;
    background-color: #007bff;
    color: white;
    border: none;
    padding: 15px;
    border-radius: 5px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.3s;
}

.submit-btn:hover {
    background-color: #0056b3;
}

/* 푸터 스타일 */
footer {
    background-color: #212529;
    color: #ccc;
    padding: 30px 0;
}

footer .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-logo img {
    height: 16px;
    margin-bottom: 10px;
}

.footer-info p {
    margin-bottom: 5px;
    font-size: 14px;
}

/* 반응형 스타일 */
@media (max-width: 992px) {
    header .container {
        flex-direction: column;
    }
    
    nav {
        margin-top: 15px;
    }
    
    nav ul {
        gap: 15px;
    }
    
    .main-banner {
        height: 400px;
        margin-top: 0;
    }
    
    .introduce .container,
    .solution .container,
    .hybrid-record .container,
    .solution-cases .container,
    .contact-us .container {
        flex-direction: column;
    }
    
    .intro-right {
        margin-top: 25px;
        flex-wrap: wrap;
        justify-content: space-between;
        gap: 30px;
    }
    
    .stat-item {
        flex: 0 0 30%;
        text-align: center;
    }
    
    .solution-right,
    .hybrid-left {
        margin-bottom: 40px;
        order: -1;
    }
    
    .cases-right {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    form {
        grid-template-columns: 1fr;
    }
    
    .form-row:nth-last-child(2),
    .form-row:last-child {
        grid-column: span 1;
    }
    
    .submit-btn {
        grid-column: span 1;
    }
    
    footer .container {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-info {
        margin-top: 20px;
    }
    
    .introduce,
    .solution,
    .hybrid-record,
    .solution-cases,
    .contact-us {
        scroll-margin-top: 120px;
    }
    
    .intro-left {
        text-align: center;
        margin-bottom: 30px;
    }
    
    .intro-left h2,
    .solution-left h2,
    .hybrid-right h2,
    .cases-left h2,
    .contact-left h2,
    .stat-item h2 {
        font-size: 14px;
        margin-bottom: 15px;
    }
    
    .intro-left h3,
    .solution-left h3,
    .hybrid-right h3,
    .cases-left h3,
    .contact-left h3 {
        font-size: 32px;
        line-height: 1.5;
    }
    
    .contact-us .container {
        flex-direction: column;
        align-items: stretch;
    }
    
    .contact-left {
        text-align: center;
        margin-bottom: 30px;
    }
    
    .contact-right {
        width: 100%;
    }
    
    form {
        grid-template-columns: 1fr;
        max-width: 100%;
        margin: 0 auto;
    }
    
    .solution-cases .container {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .cases-left {
        width: 100%;
        margin-bottom: 30px;
        text-align: center;
    }
    
    .solution-left ul li,
    .hybrid-right ul li {
        font-size: 22px;
        line-height: 1.6;
    }
}

@media (max-width: 768px) {
    header {
        padding: 12px 0;
    }
    
    nav {
        margin-top: 10px;
    }
    
    nav ul {
        gap: 18px;
    }
    
    nav ul li a {
        font-size: 14px;
    }
    
    .main-banner {
        margin-top: 0;
        height: 400px;
    }
    
    .banner-content {
        padding: 20px;
        text-align: center;
        max-width: 100%;
    }
    
    .banner-content h1 {
        font-size: 24px;
        margin-bottom: 15px;
        line-height: 1.5;
        word-break: keep-all;
    }
    
    .banner-content p {
        font-size: 15px;
        margin-bottom: 10px;
        line-height: 1.6;
        word-break: keep-all;
    }
    
    .intro-right {
        margin-top: 20px;
        gap: 15px;
        padding: 10px 0;
    }
    
    .stat-item {
        flex: 0 0 100%;
        margin-bottom: 10px;
    }
    
    .stat-item h2 {
        font-size: 32px;
        margin-bottom: 4px;
    }
    
    .stat-item p {
        font-size: 14px;
        color: #555;
    }
    
    .cases-right {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .case-item {
        padding: 20px;
    }
    
    .case-item h4 {
        font-size: 18px;
    }
    
    .case-item p {
        font-size: 14px;
    }
    
    .icon {
        width: 50px;
        height: 50px;
        margin-bottom: 15px;
    }
    
    .icon i {
        font-size: 20px;
    }
    
    .introduce,
    .solution,
    .hybrid-record,
    .solution-cases,
    .contact-us {
        padding: 40px 0;
    }
    
    footer {
        padding: 25px 0;
    }
    
    .logo img {
        height: 18px;
    }
    
    .footer-logo img {
        height: 14px;
    }
    
    .introduce,
    .solution,
    .hybrid-record,
    .solution-cases,
    .contact-us {
        scroll-margin-top: 80px;
    }
    
    .intro-left {
        margin-bottom: 15px;
    }
    
    .intro-left h2,
    .solution-left h2,
    .hybrid-right h2,
    .cases-left h2,
    .contact-left h2,
    .stat-item h2 {
        font-size: 14px;
        margin-bottom: 12px;
    }
    
    .intro-left h3,
    .solution-left h3,
    .hybrid-right h3,
    .cases-left h3,
    .contact-left h3 {
        font-size: 28px;
        line-height: 1.4;
        word-break: keep-all;
        margin: 0 auto;
        max-width: 400px;
    }
    
    .intro-left .btn {
        padding: 12px 25px;
        font-size: 15px;
    }
    
    .contact-us .container {
        padding: 0 15px;
    }
    
    .contact-right {
        width: 100%;
    }
    
    form {
        gap: 15px;
    }
    
    .form-row {
        margin-bottom: 10px;
    }
    
    input, select {
        width: 100%;
        padding: 0 10px;
        height: 40px;
        font-size: 14px;
    }
    
    select {
        padding-right: 28px;
        background-position: right 10px center;
    }
    
    .submit-btn {
        width: 100%;
        padding: 12px;
    }
    
    .cases-left {
        text-align: center;
        margin-bottom: 30px;
        padding: 0 20px;
    }
    
    .cases-left h2 {
        font-size: 24px;
        margin-bottom: 15px;
        color: #007bff;
        text-align: center;
    }
    
    .cases-left h3 {
        font-size: 28px;
        line-height: 1.4;
        word-break: keep-all;
        margin: 0 auto;
        max-width: 400px;
        text-align: center;
    }
    
    .cases-right {
        margin: 0 auto;
        width: 100%;
    }
    
    .solution-cases .container {
        padding: 0;
    }
    
    .cases-left {
        padding: 0 20px;
        width: 100%;
        text-align: center;
    }
    
    .cases-left h2 {
        font-size: 24px;
        margin-bottom: 15px;
        text-align: center;
    }
    
    .cases-left h3 {
        font-size: 28px;
        line-height: 1.4;
        word-break: keep-all;
        margin: 0 auto;
        max-width: 400px;
        text-align: center;
    }
    
    .cases-right {
        width: 100%;
        padding: 0 15px;
    }
    
    .solution-left ul li,
    .hybrid-right ul li {
        font-size: 20px;
        line-height: 1.5;
        word-break: keep-all;
    }
}

@media (max-width: 480px) {
    nav ul {
        gap: 15px;
    }
    
    nav ul li a {
        font-size: 13px;
    }
    
    .cases-right {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }
    
    .case-item {
        padding: 15px;
    }
    
    .main-banner {
        margin-top: 0;
    }
    
    .introduce,
    .solution,
    .hybrid-record,
    .solution-cases,
    .contact-us {
        scroll-margin-top: 75px;
    }
    
    .stat-item {
        margin-bottom: 8px;
    }
    
    .stat-item h2 {
        font-size: 30px;
        margin-bottom: 2px;
    }
    
    .stat-item p {
        font-size: 13px;
    }
    
    .intro-left {
        margin-bottom: 12px;
    }
    
    .intro-right {
        margin-top: 15px;
        gap: 12px;
        padding: 5px 0;
    }
    
    .banner-content {
        padding: 15px;
    }
    
    .banner-content h1 {
        font-size: 22px;
        margin-bottom: 12px;
    }
    
    .banner-content p {
        font-size: 14px;
        margin-bottom: 8px;
        line-height: 1.7;
    }
    
    .cases-left {
        margin-bottom: 25px;
    }
    
    .cases-left h2 {
        font-size: 22px;
        margin-bottom: 12px;
    }
    
    .cases-left h3 {
        font-size: 24px;
        line-height: 1.5;
        max-width: 320px;
    }
    
    input, select {
        height: 38px;
        font-size: 13px;
        padding: 0 10px;
    }
    
    select {
        padding-right: 26px;
        background-position: right 8px center;
    }
    
    .cases-left h2,
    .solution-left h2,
    .hybrid-right h2,
    .cases-left h2,
    .contact-left h2,
    .stat-item h2 {
        font-size: 14px;
        margin-bottom: 12px;
    }
    
    .intro-left h3,
    .solution-left h3,
    .hybrid-right h3,
    .cases-left h3,
    .contact-left h3 {
        font-size: 24px;
        line-height: 1.5;
        max-width: 320px;
    }
    
    .solution-left ul li,
    .hybrid-right ul li {
        font-size: 18px;
        line-height: 1.6;
    }
} 

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
.collapse:not(.show) {
    display: none;
}
@media (min-width: 768px) {
    .navbar-collapse {
        display: block !important ;
    }
}
/* 모바일 반응형 스타일 */
@media screen and (max-width: 768px) {
    nav ul {
        display: block !important ;
    }
    .navbar-collapse {
        flex-basis: 100%;
        flex-grow: 1;
        align-items: center;
    }
    header .navbar-toggler {
        display: block;
    }

    /* 컨테이너 패딩 조정 */
    .container {
        padding: 0 10px !important;
    }

    /* 배너 텍스트 크기 조정 */
    .banner-content h1 {
        font-size: 28px !important;
        padding-left: 0 !important;
    }

    .banner-content p {
        font-size: 16px !important;
        margin-top: 15px !important;
        padding-left: 0 !important;
    }

    /* 섹션 타이틀 */
    h2 {
        text-align: center !important;
        width: 100% !important;
        margin-bottom: 20px !important;
    }

    h3 {
        font-size: 28px !important;
        word-break: keep-all;
        padding-left: 0 !important;
        margin-left: 0 !important;
        text-align: center !important;
        width: 100% !important;
        display: block !important;
        margin-right: 45px !important;
        margin-left: 25px !important;
    }

    /* intro-right 크기 조정 */
    .intro-right {
        width: 100% !important;
        padding: 20px !important;
        margin-top: 30px !important;
    }

    .intro-right .stat-item {
        padding: 15px !important;
    }

    .intro-right .stat-item h2 {
        font-size: 32px !important;
    }

    .intro-right .stat-item p {
        font-size: 16px !important;
    }

    /* 섹션 내부 여백 조정 */
    .intro-left,
    .solution-left,
    .hybrid-right,
    .cases-left,
    .contact-left {
        padding-left: 0 !important;
        margin-left: 0 !important;
    }

    /* 솔루션 섹션 레이아웃 */
    .solution .container, 
    .hybrid-record .container {
        flex-direction: column !important;
    }

    .solution-left, 
    .solution-right,
    .hybrid-left,
    .hybrid-right {
        width: 100% !important;
        margin-bottom: 30px;
    }

    /* 솔루션 사례 섹션 */
    .cases-right {
        display: grid;
        grid-template-columns: 1fr 1fr !important;
        gap: 20px;
    }

    .case-item {
        margin: 0 !important;
    }

    /* 가격표 */
    table {
        width: 100% !important;
        font-size: 14px;
    }

    /* 문의하기 폼 */
    .contact-us .container {
        flex-direction: column !important;
    }

    .contact-left,
    .contact-right {
        width: 100% !important;
        margin-bottom: 30px;
    }

    form .form-row {
        width: 100% !important;
    }

    /* 푸터 */
    footer .container > div {
        flex-direction: column !important;
        text-align: center;
        gap: 20px !important;
    }

    .footer-info {
        text-align: center;
        font-size: 12px !important;
    }

    .footer-info p {
        margin: 5px 0;
    }
}

.required-label::after {
    content: " *";
    color: #007bff;
}
.navbar-toggler {
    display: none;
    position: absolute;
    top: 25px;
    right: 10px;
    transform: translateY(-50%);
    background-color: transparent;
    border: none;
    padding: 10px;
    cursor: pointer;
}
.navbar-toggler-icon {
    display: inline-block;
    width: 1.5em;
    height: 1.5em;
    vertical-align: middle;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 1.0%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: center;
    background-size: 100%;
}