/* =========================================
   COLORGRAM | layout.css
   Wrap / Header / Main / Footer / Container
   ========================================= */

/* -----------------------
   Wrap & Container
----------------------- */
.wrap {
    position: relative;
    width: 100%;
    min-height: 100vh;
    overflow: hidden;
}

.container {
    width: 100%;
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 40px;
}

.section {
    position: relative;
    padding: 120px 0;
}

.section + .section {
    padding-top: 120px;
}

.section-head {
    margin-bottom: 60px;
    text-align: center;
}

.section-head .text-box {
    display: inline-block;
    text-align: left;
}

.section-head.is-center .text-box {
    text-align: center;
}

.section-head-flex {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 40px;
    text-align: left;
}

.section-head-flex .text-box {
    text-align: left;
}

/* -----------------------
   Header
----------------------- */
.header {
    position: fixed;
    top: var(--ribbon-offset);
    left: 0;
    width: 100%;
    height: var(--header-h);
    z-index: 100;
    background: var(--color-white);
    border-bottom: 1.5px solid var(--color-line);
    transition: top .35s var(--ease-out),
                background var(--dur-base) var(--ease-out),
                box-shadow var(--dur-base) var(--ease-out),
                transform var(--dur-base) var(--ease-out);
}

.header.is-scrolled {
    /* backdrop-filter 사용 시 자식 .mega-menu (position:fixed) 의 컨테이닝 블록이
       헤더가 되어 배치가 깨짐 → 솔리드 백그라운드 + 핑크 라인 액센트로 대체 */
    background: var(--color-white);
    box-shadow: 0 0 0 0 transparent, 0 4px 0 var(--color-primary-light);
}

.header.is-hidden {
    /* transform 사용 시 자식 .mega-menu (position:fixed) 의 컨테이닝 블록이
       viewport 가 아닌 transformed 헤더가 되어 배치가 깨짐.
       → top 으로 헤더를 위로 밀어 동일한 hide 효과를 안전하게 구현 */
    top: calc(-1 * var(--header-h));
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.logo {
    flex-shrink: 0;
}

.logo a {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 700;
    letter-spacing: .12em;
    color: var(--color-black);
}

.logo-text {
    color: var(--color-line);
    background: none;
    -webkit-background-clip: initial;
    background-clip: initial;
    -webkit-text-fill-color: initial;
}

@keyframes dotPulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.4); opacity: .7; }
}

/* GNB */
.gnb {
    flex: 1;
    margin: 0 32px;
    height: 100%;
}

.gnb-list {
    display: flex;
    align-items: stretch;
    justify-content: center;
    gap: 4px;
    height: 100%;
}

.gnb-item {
    position: relative;
    display: flex;
    align-items: center;
}

.gnb-link {
    position: relative;
    display: inline-block;
    padding: 8px 14px;
    font-size: 15px;
    font-weight: 800;
    color: var(--color-ink);
    border-radius: 0;
    transition: color var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out);
    z-index: 1;
}

.gnb-link::before {
    content: "";
    position: absolute;
    left: 4px;
    right: 4px;
    bottom: 6px;
    height: 10px;
    background: var(--color-lime);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--dur-base) var(--ease-out);
    z-index: -1;
    mix-blend-mode: multiply;
}

.gnb-link:hover,
.gnb-link.is-active {
    color: var(--color-ink);
    transform: translateY(-2px);
}

.gnb-link:hover::before,
.gnb-link.is-active::before {
    transform: scaleX(1);
}

/* -----------------------
   Mega Menu
----------------------- */
.gnb-item-mega .gnb-link::after {
    content: "";
    display: inline-block;
    width: 8px;
    height: 8px;
    margin-left: 6px;
    border-right: 1.5px solid currentColor;
    border-bottom: 1.5px solid currentColor;
    transform: rotate(45deg) translateY(-2px);
    opacity: .5;
    transition: transform var(--dur-fast) var(--ease-out);
}

.gnb-item-mega.is-open .gnb-link::after {
    transform: rotate(-135deg) translateY(-2px);
}

.mega-menu {
    position: fixed;
    top: calc(var(--ribbon-offset) + var(--header-h));
    left: 0;
    right: 0;
    z-index: 99;
    padding: 40px 0 48px;
    background: rgba(255, 255, 255, .96);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid rgba(17, 17, 17, .06);
    box-shadow: 0 20px 40px rgba(17, 17, 17, .06);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-12px);
    pointer-events: none;
    /* top: 헤더와 함께 부드럽게 이동 (ribbon hide 시 점프 방지) */
    /* opacity/transform: 숨길 때는 빠르게(.18s), 보일 때는 .25s */
    transition: top .35s var(--ease-out),
                opacity .18s var(--ease-out),
                transform .18s var(--ease-out),
                visibility .18s var(--ease-out);
}

.gnb-item-mega:hover .mega-menu,
.gnb-item-mega:focus-within .mega-menu,
.gnb-item-mega.is-open .mega-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
    transition: top .35s var(--ease-out),
                opacity .25s var(--ease-out),
                transform .25s var(--ease-out),
                visibility 0s linear;
}

/* Scroll 시 메가메뉴 즉시 차단 (transition: none으로 점프/깜빡임 방지) */
body.is-mega-blocked .gnb-item-mega .mega-menu,
body.is-mega-blocked .gnb-item-mega:hover .mega-menu,
body.is-mega-blocked .gnb-item-mega:focus-within .mega-menu,
body.is-mega-blocked .gnb-item-mega.is-open .mega-menu {
    opacity: 0 !important;
    visibility: hidden !important;
    transform: translateY(-12px) !important;
    pointer-events: none !important;
    transition: none !important;
}

body.is-mega-blocked .mega-backdrop {
    opacity: 0 !important;
    visibility: hidden !important;
    transition: none !important;
}

.mega-menu-inner {
    display: grid;
    grid-template-columns: repeat(4, 1fr) 320px;
    gap: 48px;
    align-items: start;
}

.mega-menu-list-group {
    min-width: 0;
}

.mega-menu-title {
    margin-bottom: 18px;
    font-family: var(--font-display);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .15em;
    color: var(--color-gray-500);
    text-transform: uppercase;
}

.mega-menu-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.mega-menu-list-item a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-ink);
    transition: color var(--dur-fast) var(--ease-out),
                transform var(--dur-fast) var(--ease-out);
}

.mega-menu-list-item a::before {
    content: "";
    width: 0;
    height: 1px;
    background: var(--color-primary);
    transition: width var(--dur-fast) var(--ease-out);
}

.mega-menu-list-item a:hover {
    color: var(--color-primary);
    transform: translateX(2px);
}

.mega-menu-list-item a:hover::before {
    width: 16px;
}

.mega-menu-list-item.is-feature a {
    font-weight: 700;
    color: var(--color-primary);
}

.mega-menu-list-item .badge {
    margin-left: 4px;
    height: 18px;
    padding: 0 6px;
    font-size: 9px;
}

/* Mega Menu Featured Card */
.mega-menu-feature {
    padding-left: 32px;
    border-left: 1px solid var(--color-gray-200);
}

.mega-menu-feature-card {
    display: block;
    transition: transform var(--dur-base) var(--ease-out);
}

.mega-menu-feature-card:hover {
    transform: translateY(-3px);
}

.mega-menu-feature-img {
    aspect-ratio: 4 / 3;
    margin-bottom: 14px;
    border-radius: var(--radius-md);
    background-size: cover;
    background-position: center;
    transition: box-shadow var(--dur-fast) var(--ease-out);
}

.mega-menu-feature-card:hover .mega-menu-feature-img {
    box-shadow: var(--shadow-card);
}

.mega-menu-feature-tag {
    display: inline-block;
    margin-bottom: 8px;
    font-family: var(--font-display);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .12em;
    color: var(--color-primary);
    text-transform: uppercase;
}

.mega-menu-feature-name {
    margin-bottom: 6px;
    font-size: 16px;
    font-weight: 700;
    color: var(--color-black);
}

.mega-menu-feature-desc {
    margin-bottom: 10px;
    font-size: 13px;
    color: var(--color-gray-600);
    line-height: 1.5;
}

.mega-menu-feature-price {
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 700;
    color: var(--color-primary);
}

/* Mega menu backdrop overlay */
.mega-backdrop {
    position: fixed;
    inset: 0;
    z-index: 95;
    background: rgba(17, 17, 17, .35);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity var(--dur-base) var(--ease-out);
}

body.is-mega-open .mega-backdrop {
    opacity: 1;
    visibility: visible;
}

/* Header Util */
.header-util {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-shrink: 0;
}

.util-btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    color: var(--color-ink);
    background: transparent;
    border: 1.5px solid transparent;
    border-radius: 50%;
    transition: background var(--dur-fast) var(--ease-out),
                color var(--dur-fast) var(--ease-out),
                border-color var(--dur-fast) var(--ease-out);
}

.util-btn:hover {
    background: var(--color-primary-light);
    border-color: var(--color-line);
    color: var(--color-line);
}

.util-count {
    position: absolute;
    top: 0;
    right: -2px;
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
    font-family: var(--font-pixel);
    font-size: 12px;
    font-weight: 700;
    line-height: 17px;
    text-align: center;
    color: var(--color-white);
    background: var(--color-primary);
    border: 1.5px solid var(--color-line);
    border-radius: 999px;
}

.util-menu {
    display: none;
}

/* -----------------------
   Main
----------------------- */
.main {
    padding-top: calc(var(--ribbon-offset) + var(--header-h));
    scroll-margin-top: calc(var(--ribbon-offset) + var(--header-h) + 24px);
    transition: padding-top .35s var(--ease-out);
}

.main > section[id],
section[id] {
    scroll-margin-top: calc(var(--ribbon-offset) + var(--header-h) + 24px);
}

.main > .section:first-child {
    padding-top: 0;
}

/* -----------------------
   Footer
----------------------- */
.footer {
    position: relative;
    padding: 80px 0 40px;
    color: var(--color-white);
    background: var(--color-black);
}

.footer .container {
    position: relative;
}

.footer-top {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 80px;
    padding-bottom: 60px;
    border-bottom: 1px solid rgba(255, 255, 255, .08);
}

/* Footer Brand */
.footer-brand {
    display: flex;
    flex-direction: column;
}

.footer-logo {
    margin-bottom: 16px;
    font-family: var(--font-display);
    font-size: 28px;
    font-weight: 700;
    letter-spacing: .12em;
    color: var(--color-white);
    background: linear-gradient(135deg, #ffffff 0%, #ffd6ec 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.footer-slogan {
    margin-bottom: 32px;
    font-size: 15px;
    line-height: 1.6;
    color: rgba(255, 255, 255, .7);
}

.footer-sns-list {
    display: flex;
    gap: 12px;
    margin-top: auto;
}

.footer-sns-item a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: rgba(255, 255, 255, .08);
    color: var(--color-white);
    transition: background var(--dur-fast) var(--ease-out),
                transform var(--dur-fast) var(--ease-out);
}

.footer-sns-item a:hover {
    background: var(--color-cool-white);
    transform: translateY(-3px);
}

/* Footer Menu */
.footer-menu {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}

.footer-menu-title {
    margin-bottom: 20px;
    font-family: var(--font-display);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: .1em;
    color: var(--color-white);
    text-transform: uppercase;
}

.footer-menu-list li {
    margin-bottom: 10px;
    font-size: 14px;
    color: rgba(255, 255, 255, .65);
    transition: color var(--dur-fast) var(--ease-out);
}

.footer-menu-list a:hover {
    color: var(--color-primary);
}

.footer-cs-tel {
    margin-bottom: 8px;
    font-family: var(--font-display);
    font-size: 22px;
    font-weight: 700;
    color: var(--color-white);
}

.footer-cs-time {
    margin-bottom: 12px;
    font-size: 13px;
    line-height: 1.6;
    color: rgba(255, 255, 255, .65);
}

.footer-cs-mail {
    font-size: 13px;
    color: rgba(255, 255, 255, .65);
}

/* Footer Bottom */
.footer-bottom {
    padding-top: 32px;
}

.footer-info {
    display: flex;
    flex-direction: column;
    gap: 10px;
    font-size: 12px;
    color: rgba(255, 255, 255, .45);
}

.footer-company,
.footer-detail {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 18px;
}

.footer-company strong {
    color: rgba(255, 255, 255, .85);
    font-weight: 700;
}

.footer-policy-list {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    margin-top: 6px;
    padding-top: 16px;
    border-top: 1px dashed rgba(255, 255, 255, .08);
}

.footer-policy-list a {
    color: rgba(255, 255, 255, .7);
    transition: color var(--dur-fast) var(--ease-out);
}

.footer-policy-list a:hover {
    color: var(--color-primary);
}

.footer-copy {
    margin-top: 8px;
    font-family: var(--font-display);
    font-size: 11px;
    letter-spacing: .12em;
    color: rgba(255, 255, 255, .35);
}

/* -----------------------
   Top Button
----------------------- */
.top-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 90;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    width: 56px;
    height: 56px;
    color: var(--color-white);
    background: var(--color-black);
    border-radius: 50%;
    box-shadow: var(--shadow-card);
    opacity: 0;
    pointer-events: none;
    transform: translateY(20px);
    transition: opacity var(--dur-base) var(--ease-out),
                transform var(--dur-base) var(--ease-out),
                background var(--dur-fast) var(--ease-out);
}

.top-btn.is-visible {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

.top-btn:hover {
    background: var(--color-primary);
}

.top-text {
    font-family: var(--font-display);
    font-size: 9px;
    font-weight: 700;
    letter-spacing: .1em;
}