/* Fullscreen mobile navigation for the hybrid GNB */

.mobile-menu-overlay {
    position: fixed;
    inset: 0;
    z-index: 11000;
    display: flex;
    flex-direction: column;
    padding: 28px clamp(24px, 6vw, 54px);
    background:
        radial-gradient(circle at top right, rgba(230, 126, 34, 0.26), transparent 36%),
        rgba(26, 42, 58, 0.7);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    color: #fff;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-14px);
    transition: opacity 0.5s cubic-bezier(0.19, 1, 0.22, 1),
        transform 0.5s cubic-bezier(0.19, 1, 0.22, 1),
        visibility 0.5s cubic-bezier(0.19, 1, 0.22, 1);
}

.mobile-menu-overlay.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.nav-bg-circle {
    position: absolute;
    right: -90px;
    bottom: -120px;
    width: 360px;
    height: 360px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.14);
    filter: blur(50px);
}

.menu-close-btn {
    position: absolute;
    top: 28px;
    right: clamp(24px, 6vw, 54px);
    z-index: 3;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 46px;
    height: 46px;
    border: 1px solid rgba(255, 255, 255, 0.34);
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.14);
    color: #fff;
    cursor: pointer;
    font-size: 1.2rem;
}

.mobile-nav-content {
    position: relative;
    z-index: 2;
    display: flex;
    flex: 1;
    flex-direction: column;
    min-height: 0;
}

.mobile-brand {
    display: inline-flex;
    align-items: center;
    width: max-content;
    margin-bottom: 42px;
    text-decoration: none;
}

.mobile-brand img {
    display: block;
    width: auto;
    height: 42px;
    object-fit: contain;
    filter: brightness(0) invert(1);
}

.mobile-nav-list {
    flex: 1;
    overflow-y: auto;
    padding: 8px 0 24px;
}

.mobile-item {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.42s ease, transform 0.42s ease;
}

.mobile-item + .mobile-item {
    margin-top: 8px;
}

.mobile-menu-overlay.active .mobile-item {
    opacity: 1;
    transform: translateY(0);
}

.mobile-menu-overlay.active .mobile-item:nth-child(1) { transition-delay: 0.05s; }
.mobile-menu-overlay.active .mobile-item:nth-child(2) { transition-delay: 0.09s; }
.mobile-menu-overlay.active .mobile-item:nth-child(3) { transition-delay: 0.13s; }
.mobile-menu-overlay.active .mobile-item:nth-child(4) { transition-delay: 0.17s; }
.mobile-menu-overlay.active .mobile-item:nth-child(5) { transition-delay: 0.21s; }
.mobile-menu-overlay.active .mobile-item:nth-child(6) { transition-delay: 0.25s; }
.mobile-menu-overlay.active .mobile-item:nth-child(7) { transition-delay: 0.29s; }

.mobile-link,
.mobile-link-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 11px 0;
    color: #fff;
    cursor: pointer;
    font-size: clamp(1.28rem, 5.1vw, 2.05rem);
    font-weight: 500;
    line-height: 1.12;
    text-decoration: none;
    letter-spacing: -0.01em;
    text-shadow: 0 1px 8px rgba(0, 0, 0, 0.08);
}

.mobile-link-toggle i {
    color: rgba(255, 255, 255, 0.62);
    font-size: 1rem;
    transition: transform 0.3s ease;
}

.mobile-item.open .mobile-link-toggle i {
    transform: rotate(180deg);
}

.mobile-sub {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.32s ease, margin 0.32s ease;
}

.mobile-item.open .mobile-sub {
    max-height: 360px;
    margin: 8px 0 18px;
}

.mobile-sub a {
    position: relative;
    display: block;
    padding: 8px 0 8px 18px;
    color: rgba(255, 255, 255, 0.76);
    font-size: 1.06rem;
    font-weight: 500;
    text-decoration: none;
}

.mobile-sub a::before {
    position: absolute;
    top: 50%;
    left: 0;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #fff;
    content: "";
    transform: translateY(-50%);
}

.mobile-branch-suwon::before {
    background: #fff !important;
}

.mobile-branch-glanz::before {
    background: #7dd3fc !important;
}

.mobile-branch-starfield::before {
    background: #E31E24 !important;
}

.mobile-nav-footer {
    padding-top: 22px;
    border-top: 1px solid rgba(255, 255, 255, 0.22);
    background: transparent;
}

.mobile-footer-actions {
    display: flex;
    align-items: center;
    gap: 18px;
}

.login-btn {
    color: #fff;
    font-size: 0.9rem;
    font-weight: 900;
    letter-spacing: 0.16em;
    text-decoration: none;
}

.mobile-search-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 0;
    border: 0;
    background: transparent;
    color: #fff;
    font: inherit;
    font-size: 0.9rem;
    font-weight: 900;
    letter-spacing: 0.16em;
    cursor: pointer;
}

.mobile-search-btn i {
    color: rgba(255, 255, 255, 0.78);
    font-size: 0.95rem;
}

.mobile-social {
    display: flex;
    gap: 22px;
    margin-top: 22px;
}

.mobile-social a {
    color: #fff;
    font-size: 1.4rem;
    opacity: 0.76;
}

@media (min-width: 1201px) {
    .mobile-menu-overlay {
        display: none;
    }
}