/* 헤더 스타일 */
.header {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: fixed;
    top: -1px;
    left: 0;
    right: 0;
    z-index: 1000;
    height:80px;
    display:flex;
}

.header h1 {display: flex;}
.header h1 img {width:80%;}

.header .bd-lg {
    margin-top:auto;
    margin-bottom:auto;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #25A69B;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-list a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-list a:hover {
    color: #25A69B;
}

.btn-apply {
    background: #25A69B;
    color: white !important;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    transition: background-color 0.3s ease;
}

.btn-apply:hover {
    background: #1E8A7F;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 5px;
    z-index: 1001;
}

.menu-toggle span {
    width: 25px;
    height: 2px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
    transform-origin: center;
}

/* 햄버거 버튼 애니메이션 */
.menu-toggle.active span {
    background:#fff;
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

.header-btn {
    display:flex;
    gap:10px;
}



/* 서브페이지 상단 타이틀 */
.sub-banner {
    margin-top:80px;
    height:500px;
    color: white;
    text-align: center;
    width:100%;
    position:relative;
    overflow:hidden;
}

.sub-banner .container {
    position:absolute;
    top:48%;
    left:50%;
    transform:translate(-50%,-50%);
    z-index:50;
    width:90%;
}

.sub-banner figure {
    width:100%;
    height: 100%;
}

.sub-banner figure img {
    width:100%;
    height:100%;
    object-fit: cover;
}

.sub-banner figure img {
    animation: bg-scale 3s ;
}

@keyframes bg-scale {
    0% {
        transform: scale(1.15);
    }
    100% {
        transform: scale(1);
    }
}

.sub-banner-con {

}

.sub-banner-con h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.sub-banner-con p {
    font-size: 20px;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
    word-break: keep-all;
}




/* CTA 섹션 */
.cta {
    padding: 80px 0;
    /* background: linear-gradient(135deg, #45bbb4 0%, var(--primary-color) 100%); */
    background-image: url(../img/main-bt-bg.png);
    background-size:cover;
    color: white;
    text-align: center;
}

.cta h2 {
    font-size: 36px;
    font-weight:600;
}

.cta .container {
    display:flex;
    flex-direction: column;
    gap:30px;
}

.cta p {
    font-size: 20px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-buttons .btn {
    background:#fff;
    color: #333;
    transition: 0.15s;
    display: inline-block;
    padding: 12px 20px;
    border-radius: 10px;
    font-weight: 500;
    font-size:16px;
    transition: all 0.1s;
    cursor: pointer;
    transition:0.15s;
}

.cta-buttons .btn:hover {
    background: #006b62;
    color: #fff;
    transition:0.15s;
}




/* 푸터 */
.footer {
    background: #222;
    color: white;
    padding: 60px 0 20px;
}

.footer-main {
    display: grid;
    grid-template-columns: 3fr 1fr;
    gap: 4rem;
    margin-bottom: 40px;
}

.footer-logo h3 {
    font-size: 30px;
    font-weight:700;
    margin-bottom: 1rem;
    color: #fff;
    opacity:0.5;
}

.footer-logo p {
    color: #ccc;
    opacity:0.5;
    font-weight:300;
    font-size:16px;
    word-break: keep-all;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.footer-section h4 {
    color: #fff;
    margin-bottom: 15px;
    font-size: 18px;
    font-weight:500;
    opacity:0.8;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: #fff;
    font-weight:300;
    transition: color 0.2s ease;
    opacity: 0.5;
}

.footer-section ul li a:hover {
    color: #25A69B;
}

.footer-bottom {
    border-top: 1px solid #ffffff7e;
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.footer-bottom p {
    color: #fff;
    opacity:0.5;
    font-size:14px;
}

.footer-legal a {
    color: #fff;
    text-decoration: none;
    margin: 0 0.5rem;
    transition: color 0.3s ease;
}

.footer-legal a:hover {
    opacity:0.8;
}

.footer-legal {
    color:#fff;
    opacity:0.5;
}

/* 모바일 메뉴 */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 70%;
    height: 100vh;
    background: white;
    box-shadow: -2px 0 10px rgba(0,0,0,0.1);
    transition: right 0.3s ease;
    z-index: 1000;
    overflow-y: auto;
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu-content {
    padding: 70px 0 0;
    background:var(--primary-color)
}

.mobile-nav-list {
    list-style: none;
    padding: 0;
    margin: 0;
    background:#fff;
}

.mobile-nav-list li {
    border-bottom: 1px solid #f0f0f0;
}

.mobile-nav-list li:last-child {
    border-bottom: none;
}

.mobile-nav-list a {
    display: block;
    padding: 20px;
    color: #333;
    text-decoration: none;
    font-weight: 500;
    transition: background-color 0.3s ease;
}

.mobile-nav-list a:hover{
    background: #f8f9fa;
    color: #25A69B;
}

.mobile-nav-list .btn-apply {
    background: #25A69B;
    color: white !important;
    margin: 10px 20px;
    border-radius: 6px;
    text-align: center;
}

.mobile-nav-list .btn-apply:hover {
    background: #1E8A7F;
}

/* 모바일 메뉴 오버레이 */
.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    z-index: 999;
}

.mobile-menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* 메뉴 열렸을 때 body 스크롤 방지 */
body.menu-open {
    overflow: hidden;
}



.section-subtitle {
    text-align: center;
    font-size: 20px;
    color: #333;
    margin-left: auto;
    margin-right: auto;
    margin-bottom:70px;
}






/* 반응형 디자인 */
@media (max-width:1440px) {
    
    .footer-main {
        display: grid;
        grid-template-columns: 2fr 1fr;
        gap: 1rem;
    }
    
    .footer-links {
        display: grid;
        gap: 1rem;
    }

}

@media (max-width: 1024px) {
    .nav {
        display: none;
    }
    
    .menu-toggle {
        display: flex;
    }
    

}


@media (max-width: 768px) {

    .nav {
        display: none;
    }
    
    .menu-toggle {
        display: flex;
    }
    

    .header {
        height:70px;
    }

    .header h1 img {width:70%;}

    .main-top-text p {font-size:18px;}

    .sub-banner {
        margin-top:70px;
        height:350px;
    }

    
    .sub-banner-con h1 {
        font-size: 30px;
        font-weight: 700;
        margin-bottom: 1rem;
    }

    .sub-banner-con p {
        font-size:18px;
    }

    .section-subtitle {
        font-size: 16px;
    }

    .footer {
        padding-top:40px;
    }
    
    .footer-main {
        display: grid;
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .footer-links {
        display: grid;
        gap: 20px;
    }

    .footer-logo h3 {
        margin-bottom:5px;
        font-size:24px;
    }

    .footer-section h4 {
        margin-bottom:5px;
    }

    .footer-section ul li {
        margin-bottom:5px;
    }

    .footer-bottom {
        padding-top:20px;
        gap:5px;
    }

    .cta h2 {
        font-size:28px;
        word-break: keep-all;
    }
    
    .cta .container {
        gap:20px;
    }

    .cta-buttons .btn {
        font-size:14px;
        padding:10px 15px;
    }
    
    .cta p {
        font-size:18px;
        word-break: keep-all;
    }
    


}

@media (max-width: 480px) {
    
    .header h1 img {width:60%;}

    .container {
        padding: 0 15px;
    }
    
    .section-subtitle {
        margin-bottom:30px
    }

    .main-top {
        padding: 100px 0 60px;
    }
    
    .main-top-text h1 {
        font-size: 1.8rem;
    }
    
    .cta h2 {
        font-size: 26px;
        word-break: keep-all;
    }

    .cta p {
        font-size:16px;
        word-break: keep-all;
    }
    

    .feature-card,
    .summary-card {
        padding: 1.5rem;
    }



}