* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* header css */

.main-header {
    position: relative;
    color: #ffffff;
    padding: 1rem 0;
    top: 0;
    z-index: 1000;
    mix-blend-mode: difference;
}

header{
    z-index: 1000;
}

.header-container {
    position: fixed;
    width: 100%;
    margin: 0 auto;
    left: 0;
    right: 0;
    top: 0;
    padding: 12px 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    mix-blend-mode: difference;
    backdrop-filter: blur(3px);
}

.logo a {
    display: block;
    text-decoration: none;
}

.logo a:hover{
    border-bottom: none !important;
    padding-bottom: 0 !important;
}

.logo-image {
    max-width: 266px;
    object-fit: contain;
}

.main-nav {
    position: relative;
}

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

.nav-link {
    color: #ffffff;
    text-decoration: none;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.nav-link:hover{
    text-decoration: none;
    padding-bottom: 3px;
    border-bottom: 1px solid #ffffff;
}

.nav-list li{
    display: flex;
    align-items: center;
    gap: 2rem;
}

.slash-line{
    display: block;
    width: 1px;
    height: 24px;
    transform: rotate(45deg);
    background: #ffffff;
}

.mobile-menu-overlay{
    display: none;
}

.burger-menu{
    display: none;
}

/* footer css */

.path{
    width: 90%;
    max-width: 1000px;
    margin: 10px auto;
    font-size: 14px;
}

#top-main .path{
    display: none;
}

.footer-wrapper{
    padding: 26px 0;
    border-top: 2px solid;
    border-image: linear-gradient(90deg, #696969 0%, #393939 16%, #adadad 37%, #ffffff 60%, #515151 93%) 1;
}

.pc-footer{
    width: 90%;
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
}

.footer-links{
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 20px;
    border-bottom: 1px solid #505050;
}

.copyright{
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.copyright-text{
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
}

.cc-logo{
    max-width: 184px;
    object-fit: contain;
}

.pmark-logo{
    width: 37px;
    object-fit: contain;
}

.footer-logo{
    max-width: 90px;
    object-fit: contain;
}

.sp-footer{
    display: none;
}

@media (min-width: 769px ) and (max-width: 980px){
    .nav-list{
        gap: 15px;
    }

    .nav-list li{
        gap: 15px;
    }

    .nav-link{
        font-size: 12px;
    }
}

/* sp design */
@media (max-width: 768px) {
    .header-container {
        justify-content: space-between;
        align-items: center;
        overflow: hidden;
        padding: 12px 5%;
        mix-blend-mode: normal;
    }

    .logo-image{
        max-width: 175px;
    }

    .burger-menu {
        display: block;
    }

    /* Burger Menu Button */
        .burger-menu {
            background: none;
            border: none;
            cursor: pointer;
            padding: 10px;
            z-index: 1002;
            display: flex;
            flex-direction: column;
            gap: 6px;
            position: relative;
        }

        .burger-line {
            width: 30px;
            height: 2px;
            background-color: #fff;
            transition: all 0.3s ease;
            display: block;
        }

        .burger-menu.active .burger-line:nth-child(1) {
            transform: rotate(45deg) translate(8px, 8px);
        }

        .burger-menu.active .burger-line:nth-child(2) {
            opacity: 0;
        }

        .burger-menu.active .burger-line:nth-child(3) {
            transform: rotate(-45deg) translate(7px, -7px);
        }

        /* Mobile Menu Overlay */
        .mobile-menu-overlay {
            display: block;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background-color: #000;
            z-index: 1001;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.3s ease, visibility 0.3s ease;
        }

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

        /* Mobile Menu Content */
        .mobile-menu-content {
            width: 100%;
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        /* Menu Header */
        .mobile-menu-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 6px 20px;
            border-bottom: 1px solid #333;
        }

        .mobile-logo-wrapper {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .mobile-logo-wrapper img {
            max-width: 175px;
            height: auto;
            object-fit: contain;
        }


        .close-menu {
            background: none;
            border: none;
            color: #fff;
            font-size: 35px;
            cursor: pointer;
            line-height: 0.8;
            padding: 0;
            width: 50px;
            height: 50px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 200;
        }

        /* Menu Items */
        .mobile-menu-items {
            flex: 1;
            display: flex;
            flex-direction: column;
            padding: 0 25px;
        }

        .mobile-menu-item {
            padding: 25px 0;
            border-bottom: 1px solid #333;
        }

        .mobile-menu-item:last-child {
            border-bottom: none;
        }

        .mobile-menu-link {
            color: #fff;
            text-decoration: none;
            font-size: 16px;
            letter-spacing: 1px;
            display: block;
            margin-left: 20px;
        }

    .nav-list {
        position: absolute;
        top: 100%;
        right: -20px;
        background-color: black;
        flex-direction: column;
        width: 230px;
        padding: 1rem;
        gap: 1rem;
        transform: translateX(220px);
        transition: transform 0.3s ease;
        margin-top: 20px;
    }

    .nav-list.active {
        transform: translateX(0);
    }

    .nav-link {
        display: block;
        padding: 0.5rem 0;
        border-bottom: 1px solid #333;
    }
    
    .nav-link:last-child {
        border-bottom: none;
    }

    .pc-footer{
        display: none;
    }

    .sp-footer{
        display: block;
    }

    .sp-footer-logos{
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 20px;
        padding: 75px 0;
        border-bottom: 1px solid #505050;
    }

    .sp-footer .copyright{
        width: 90%;
        margin: 0 auto;
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 20px 0;
    }

    .footer-wrapper{
        padding: 0;
        padding-bottom: 55px;
    }
    
}