/* Footer Base Styles - Exact match to reference site */
.footer {
    background-color: #f5f5f5;
    width: 100%;
    font-family: "Montserrat", "Noto Sans KR", Arial, sans-serif;
    font-size: 13px;
    color: rgb(0, 0, 0);
}

.footer-container {
    margin: 0 76px;
    padding: 100px 0 70px;
    color: rgb(26, 26, 26);
}

/* Logo */
.footer-logo {
    margin-bottom: 20px;
    font-size: 40px;
    color: rgb(26, 26, 26);
}

.footer-logo a {
    display: inline-block;
}

.footer-logo img {
    height: 50px;
    width: auto;
}

/* Footer Menu */
.footer-menu {
    display: flex;
    gap: 25px;
    margin-bottom: 15px;
}

.footer-menu a {
    font-size: 14px;
    font-weight: 400;
    line-height: 14px;
    color: rgb(26, 26, 26);
    text-decoration: none;
}

.footer-menu a:hover {
    text-decoration: underline;
}

.footer-menu strong {
    font-weight: 500;
}

/* Main Wrap - 3 Column Layout */
.bt_wrap {
    display: flex;
    height: 184px;
    margin-bottom: 30px;
    color: rgb(26, 26, 26);
}

/* Shop Info - Left Column */
.footer-info {
    width: 500px;
    flex-shrink: 0;
    margin-top: 10px;
}

.footer-info .title {
    font-size: 14px;
    font-weight: 700;
    line-height: 28px;
    margin-bottom: 10px;
    color: rgb(26, 26, 26);
}

.footer-info .title strong {
    font-weight: 700;
}

.bt_info_list {
    font-size: 12px;
    line-height: 24px;
    color: rgb(26, 26, 26);
}

.bt_info_list div {
    margin-bottom: 0;
}

.bt_info_list span {
    margin-right: 3px;
}

.bt_info_list span strong {
    font-weight: 600;
    margin-right: 3px;
}

/* Customer Center - Middle Column */
.bt_cscenter {
    flex-shrink: 0;
    margin-left: auto;
    margin-right: 100px;
}

.bt_cscenter .title {
    font-size: 14px;
    font-weight: 700;
    line-height: 28px;
    margin-bottom: 10px;
    margin-top: -50px;
    color: rgb(26, 26, 26);
}

.bt_cscenter .title strong {
    font-weight: 700;
}

.bt_cscenter>div {
    font-size: 12px;
    line-height: 24px;
    color: rgb(26, 26, 26);
}

.bt_cscenter div div {
    margin-bottom: 0;
}

.bt_cscenter strong {
    font-weight: 600;
    margin-right: 5px;
}

/* Payment Info - Right Column */
.bt_bank {
    flex-shrink: 0;
}

.bt_bank .title {
    font-size: 14px;
    font-weight: 700;
    line-height: 28px;
    margin-bottom: 10px;
    margin-top: -50px;
    color: rgb(26, 26, 26);
}

.bt_bank .title strong {
    font-weight: 700;
}

.bt_bank>div {
    font-size: 12px;
    line-height: 24px;
    color: rgb(26, 26, 26);
}

.bt_bank div div {
    margin-bottom: 0;
}

.bt_bank strong {
    font-weight: 600;
    margin-right: 5px;
}

/* Bottom Wrap */
.bt_wrap2 {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 50px;
    border-top: 1px solid rgb(218, 218, 218);
    color: rgb(26, 26, 26);
}

.bt_wrap2 .copyright {
    font-size: 13px;
    font-weight: 400;
    font-style: normal;
    color: rgb(168, 168, 168);
    line-height: normal;
}

/* SNS */
.bt_wrap2 .sns-area {
    display: flex;
    align-items: center;
}

.bt_wrap2 .sns-area strong {
    font-size: 14px;
    font-weight: 700;
    color: rgb(26, 26, 26);
    display: inline-block;
    margin-right: 16px;
}

.bt_wrap2 .sns-area a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    margin-left: 30px;
}

.bt_wrap2 .sns-area a:first-of-type {
    margin-left: 0;
}

.bt_wrap2 .sns-area a img {
    width: 20px;
    height: 20px;
    display: block;
    filter: brightness(0) saturate(100%) invert(67%) sepia(0%) saturate(0%) hue-rotate(0deg) brightness(100%) contrast(100%);
    opacity: 1;
    transition: filter 0.2s ease;
}

.bt_wrap2 .sns-area a svg {
    width: 20px;
    height: 20px;
    display: block;
}

.bt_wrap2 .sns-area a:hover img {
    filter: brightness(0) saturate(100%) invert(60%) sepia(0%) saturate(0%) hue-rotate(0deg) brightness(100%) contrast(100%);
}

.bt_wrap2 .sns-area a:hover svg rect {
    fill: #888;
}

.bt_wrap2 .sns-area a:hover svg text {
    fill: #ffffff;
}

/* ============================================
   Mobile Responsive Design
   ============================================ */

/* 1919px ~ 1440px */
@media (max-width: 1919px) and (min-width: 1440px) {
    .footer-container {
        margin: 0 60px;
        padding: 90px 0 65px;
    }

    .footer-info {
        width: 450px;
    }

    .bt_cscenter {
        margin-right: 70px;
    }
}

/* 1439px ~ 1024px */
@media (max-width: 1439px) and (min-width: 1024px) {
    .footer-container {
        margin: 0 50px;
        padding: 80px 0 60px;
    }

    .footer-logo {
        margin-bottom: 40px;
    }

    .footer-logo img {
        height: 45px;
    }

    .footer-menu {
        gap: 20px;
        margin-bottom: 40px;
    }

    .footer-info {
        width: 400px;
        margin-top: 40px;
    }

    .bt_cscenter {
        margin-right: 60px;
    }

    .bt_wrap {
        margin-bottom: 40px;
    }

    .bt_wrap2 {
        padding-top: 40px;
    }
}

/* 1023px ~ 768px */
@media (max-width: 1023px) and (min-width: 768px) {
    .footer-container {
        margin: 0 30px;
        padding: 60px 0 50px;
    }

    .footer-logo {
        margin-bottom: 35px;
    }

    .footer-logo img {
        height: 40px;
    }

    .footer-menu {
        gap: 18px;
        margin-bottom: 35px;
        flex-wrap: wrap;
    }

    .footer-menu a {
        font-size: 13px;
    }

    .bt_wrap {
        flex-direction: column;
        height: auto;
        margin-bottom: 35px;
    }

    .footer-info {
        width: 100%;
        margin-top: 0;
        margin-bottom: 30px;
    }

    .bt_cscenter {
        width: 100%;
        margin-left: 0;
        margin-right: 0;
        margin-bottom: 30px;
    }

    .bt_cscenter .title,
    .bt_bank .title {
        margin-top: 0;
    }

    .bt_bank {
        width: 100%;
    }

    .bt_wrap2 {
        flex-direction: column;
        align-items: flex-start;
        gap: 20px;
        padding-top: 35px;
    }

    .bt_wrap2 .copyright {
        font-size: 11px;
    }

    .sns-area {
        flex-wrap: wrap;
    }
}

/* 767px ~ 425px */
@media (max-width: 767px) and (min-width: 425px) {
    .footer-container {
        margin: 0 20px;
        padding: 50px 0 40px;
    }

    .footer-logo {
        margin-bottom: 30px;
    }

    .footer-logo img {
        height: 35px;
    }

    .footer-menu {
        gap: 15px;
        margin-bottom: 30px;
        flex-wrap: wrap;
    }

    .footer-menu a {
        font-size: 12px;
    }

    .bt_wrap {
        flex-direction: column;
        height: auto;
        margin-bottom: 30px;
    }

    .footer-info,
    .bt_cscenter,
    .bt_bank {
        width: 100%;
        margin-top: 0;
        margin-bottom: 25px;
    }

    .footer-info .title,
    .bt_cscenter .title,
    .bt_bank .title {
        font-size: 13px;
        margin-bottom: 8px;
        margin-top: 0;
    }

    .bt_info_list {
        font-size: 11px;
        line-height: 20px;
    }

    .bt_wrap2 {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
        padding-top: 30px;
    }

    .bt_wrap2 .copyright {
        font-size: 10px;
    }

    .bt_wrap2 .sns-area strong {
        font-size: 13px;
        margin-right: 12px;
    }

    .bt_wrap2 .sns-area a {
        width: 20px;
        height: 20px;
        margin-left: 18px;
    }

    .bt_wrap2 .sns-area a img {
        width: 20px;
        height: 20px;
    }
}

/* 424px ~ 0px */
@media (max-width: 424px) {
    .footer-container {
        margin: 0 15px;
        padding: 40px 0 35px;
    }

    .footer-logo {
        margin-bottom: 25px;
    }

    .footer-logo img {
        height: 30px;
    }

    .footer-menu {
        gap: 12px;
        margin-bottom: 25px;
        flex-wrap: wrap;
    }

    .footer-menu a {
        font-size: 11px;
    }

    .bt_wrap {
        flex-direction: column;
        height: auto;
        margin-bottom: 25px;
    }

    .footer-info,
    .bt_cscenter,
    .bt_bank {
        width: 100%;
        margin-top: 0;
        margin-bottom: 20px;
    }

    .footer-info .title,
    .bt_cscenter .title,
    .bt_bank .title {
        font-size: 12px;
        margin-bottom: 6px;
        margin-top: 0;
    }

    .bt_info_list {
        font-size: 10px;
        line-height: 18px;
    }

    .bt_wrap2 {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
        padding-top: 25px;
    }

    .bt_wrap2 .copyright {
        font-size: 9px;
    }

    .bt_wrap2 .sns-area strong {
        font-size: 12px;
        margin-right: 10px;
    }

    .bt_wrap2 .sns-area a {
        width: 18px;
        height: 18px;
        margin-left: 15px;
    }

    .bt_wrap2 .sns-area a img {
        width: 18px;
        height: 18px;
    }
}