:root {
    --mobile-breakpoint: 768px;
    --popup-menu-width: 150px;
    --menu-transition-duration: 0.3s;
    --overlay-transition-duration: 0.3s;
    --header-height: 64px;
    
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 20px;
    --space-6: 24px;
    --space-8: 32px;
    --space-10: 40px;
    --space-12: 48px;
    --space-16: 64px;
    
    --color-primary: #4285F4;
    --color-primary-hover: #3367D6;
    --color-text: #333333;
    --color-text-secondary: #666666;
    --color-text-muted: #999999;
    --color-background: #FFFFFF;
    --color-background-secondary: #F0F5FA;
    --color-border: #f0f0f0;
    
    --focus-ring-color: #4285F4;
    --focus-ring-width: 2px;
    --focus-ring-offset: 2px;
}

*:focus-visible {
    outline: var(--focus-ring-width) solid var(--focus-ring-color);
    outline-offset: var(--focus-ring-offset);
}

*:focus:not(:focus-visible) {
    outline: none;
}

a:focus-visible,
button:focus-visible,
[role="button"]:focus-visible {
    outline: var(--focus-ring-width) solid var(--focus-ring-color);
    outline-offset: var(--focus-ring-offset);
    border-radius: 4px;
}

.mt-1 { margin-top: var(--space-1); }
.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mt-12 { margin-top: var(--space-12); }
.mb-1 { margin-bottom: var(--space-1); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }
.mb-12 { margin-bottom: var(--space-12); }
.py-4 { padding-top: var(--space-4); padding-bottom: var(--space-4); }
.py-6 { padding-top: var(--space-6); padding-bottom: var(--space-6); }
.py-8 { padding-top: var(--space-8); padding-bottom: var(--space-8); }
.px-4 { padding-left: var(--space-4); padding-right: var(--space-4); }
.px-6 { padding-left: var(--space-6); padding-right: var(--space-6); }

html, body {
    margin: 0 !important;
    padding: 0 !important;
    margin-top: 0 !important;
    padding-top: 0 !important;
}

body {
    overflow-x: hidden;
}

body > *:first-child {
    margin-top: 0 !important;
    padding-top: 0 !important;
}

header {
    height: var(--header-height) !important;
    background-color: #FFFFFF;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    margin: 0 !important;
    margin-top: 0 !important;
    padding: 0 !important;
    padding-top: 0 !important;
    display: flex;
    align-items: center;
    position: relative;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
}

main {
    margin-top: var(--space-8);
}

.header-menu-2 {
    height: var(--header-height) !important;
    margin-top: 0 !important;
    padding-top: 0 !important;
}

.mobile-menu,
.header-menu {
    margin-top: 0 !important;
    padding-top: 0 !important;
}

.mobile-menu {
    display: none;
}

.mobile-content {
    display: none;
}

.desktop-menu {
    display: none;
}

.menu-line {
    left: 0;
}

.menu-line.top {
    top: 4px;
}

.menu-line.middle {
    top: 11px;
}

.menu-line.bottom {
    top: 18px;
}

.hamburger-active .menu-line.top {
    transform: rotate(45deg);
    top: 11px;
}

.hamburger-active .menu-line.middle {
    opacity: 0;
}

.hamburger-active .menu-line.bottom {
    transform: rotate(-45deg);
    top: 11px;
}

#menu-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

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

#popup-menu {
    position: fixed;
    top: 0;
    right: calc(var(--popup-menu-width) * -1);
    width: var(--popup-menu-width);
    height: 100vh;
    background-color: #FFFFFF;
    box-shadow: -2px 0 5px rgba(0,0,0,0.1);
    z-index: 1000;
    transition: right var(--menu-transition-duration) ease;
}

#popup-menu .menu-header {
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
    border-bottom: 1px solid #eee;
}

#popup-menu .menu-header .menu-title {
    font-size: 16px;
    font-weight: bold;
}

#popup-menu .menu-header .close-btn {
    cursor: pointer;
    font-size: 18px;
}

#popup-menu .menu-content {
    padding: 16px 0;
    height: calc(100vh - 44px);
    overflow-y: auto;
}

#popup-menu .menu-item {
    padding: 12px 16px;
    border-bottom: 1px solid #f0f0f0;
}

#popup-menu .menu-item a {
    color: #333;
    text-decoration: none;
    display: block;
}

#popup-menu .product-item {
    cursor: pointer;
}

#popup-menu .product-item .product-arrow {
    font-size: 12px;
    color: #999;
    transition: transform 0.3s ease;
}

#popup-menu .product-submenu {
    display: none;
    padding-left: 16px;
    margin-top: 8px;
}

#popup-menu .product-submenu > div {
    padding: 8px 0;
    border-bottom: 1px solid #f9f9f9;
}

#popup-menu .product-submenu > div:last-child {
    border-bottom: none;
}

#popup-menu .product-submenu a {
    color: #666;
    text-decoration: none;
    display: block;
}

.header-menu-1,
.header-menu-2 {
    width: 100% !important;
}

@media (max-width: 768px) {
    html, body {
        margin: 0 !important;
        padding: 0 !important;
    }
    
    body > *:first-child {
        margin-top: 0 !important;
        padding-top: 0 !important;
    }
    
    header {
        margin: 0 !important;
        margin-top: 0 !important;
        padding: 0 !important;
        padding-top: 0 !important;
        position: relative !important;
        top: 0 !important;
    }
    
    .mobile-menu,
    .header-menu,
    .header-menu-2 {
        margin-top: 0 !important;
        padding-top: 0 !important;
    }
    
    main {
        margin-top: var(--space-6);
    }
    
    .ks100-nav,
    nav.desktop-nav,
    .desktop-menu,
    header > nav {
        display: none !important;
    }

    .mobile-menu {
        display: block;
        width: 100%;
    }

    .mobile-content {
        display: block;
    }

    .desktop-content {
        display: none;
    }
}

@media (min-width: 769px) {
    .desktop-menu,
    .ks100-nav {
        display: flex;
    }

    .desktop-content {
        display: block;
    }

    .mobile-content,
    .mobile-menu,
    #popup-menu,
    #menu-overlay {
        display: none !important;
    }
}

.carousel {
    position: relative;
    width: 100%;
    overflow: hidden;
}

.carousel-track {
    display: flex;
    width: 100%;
    height: 100%;
    transition: transform 0.5s ease;
}

.carousel-slide {
    min-width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.carousel-slide img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    user-select: none;
    -webkit-user-drag: none;
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background-color: transparent;
    color: #000000;
    border: none;
    border-radius: 50%;
    font-size: 24px;
    cursor: pointer;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.3s ease;
}

.carousel-btn:hover {
    background-color: rgba(0, 0, 0, 0.1);
}

.carousel-btn:focus-visible {
    outline: 2px solid var(--focus-ring-color);
    outline-offset: 2px;
}

.carousel-btn.prev {
    left: 20px;
}

.carousel-btn.next {
    right: 20px;
}

.carousel-dots {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 10;
}

.carousel-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: rgba(0, 0, 0, 0.3);
    border: none;
    cursor: pointer;
    padding: 0;
    transition: all 0.3s ease;
}

.carousel-dot.active {
    background-color: #000000;
    transform: scale(1.2);
}

.carousel-lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.95);
    z-index: 10000;
    justify-content: center;
    align-items: center;
}

.carousel-lightbox.open {
    display: flex;
}

.lightbox-image-container {
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.lightbox-image {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    user-select: none;
    -webkit-user-drag: none;
}

.lightbox-close {
    position: absolute;
    top: 15px;
    right: 15px;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.2);
    border: none;
    border-radius: 50%;
    color: #fff;
    font-size: 24px;
    cursor: pointer;
    z-index: 10001;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: background-color 0.2s ease;
}

.lightbox-close:hover {
    background-color: rgba(255, 255, 255, 0.3);
}

.lightbox-prev,
.lightbox-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background-color: rgba(255, 255, 255, 0.2);
    border: none;
    border-radius: 50%;
    color: #fff;
    font-size: 24px;
    cursor: pointer;
    z-index: 10001;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: background-color 0.2s ease;
}

.lightbox-prev:hover,
.lightbox-next:hover {
    background-color: rgba(255, 255, 255, 0.3);
}

.lightbox-prev {
    left: 15px;
}

.lightbox-next {
    right: 15px;
}

.lightbox-dots {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 10001;
}

.lightbox-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.4);
    border: none;
    cursor: pointer;
    padding: 0;
    transition: all 0.2s ease;
}

.lightbox-dot.active {
    background-color: #ffffff;
    transform: scale(1.2);
}

@media (max-width: 768px) {
    .lightbox-prev,
    .lightbox-next {
        width: 40px;
        height: 40px;
        font-size: 20px;
    }

    .lightbox-prev {
        left: 10px;
    }

    .lightbox-next {
        right: 10px;
    }

    .lightbox-close {
        width: 36px;
        height: 36px;
        font-size: 20px;
        top: 12px;
        right: 12px;
    }
}

.global-lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.95);
    z-index: 10000;
    justify-content: center;
    align-items: center;
}

.global-lightbox.glb-open {
    display: flex;
}

.glb-img-wrap {
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.glb-img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    user-select: none;
    -webkit-user-drag: none;
}

.glb-close {
    position: absolute;
    top: 15px;
    right: 15px;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.2);
    border: none;
    border-radius: 50%;
    color: #fff;
    font-size: 24px;
    cursor: pointer;
    z-index: 10001;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: background-color 0.2s ease;
}

.glb-close:hover {
    background-color: rgba(255, 255, 255, 0.3);
}

.glb-prev,
.glb-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background-color: rgba(255, 255, 255, 0.2);
    border: none;
    border-radius: 50%;
    color: #fff;
    font-size: 24px;
    cursor: pointer;
    z-index: 10001;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: background-color 0.2s ease;
}

.glb-prev:hover,
.glb-next:hover {
    background-color: rgba(255, 255, 255, 0.3);
}

.glb-prev {
    left: 15px;
}

.glb-next {
    right: 15px;
}

.glb-dots {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 10001;
}

.glb-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.4);
    border: none;
    cursor: pointer;
    padding: 0;
    transition: all 0.2s ease;
}

.glb-dot.active {
    background-color: #ffffff;
    transform: scale(1.2);
}

@media (max-width: 768px) {
    .glb-prev,
    .glb-next {
        width: 40px;
        height: 40px;
        font-size: 20px;
    }

    .glb-prev {
        left: 10px;
    }

    .glb-next {
        right: 10px;
    }

    .glb-close {
        width: 36px;
        height: 36px;
        font-size: 20px;
        top: 12px;
        right: 12px;
    }
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

.skip-link {
    position: fixed;
    top: -40px;
    left: 0;
    background: var(--color-primary);
    color: white;
    padding: 8px 16px;
    z-index: 10000;
    transition: top 0.3s ease;
    text-decoration: none;
    display: block;
    height: auto;
    line-height: 1.5;
}

.skip-link:focus {
    top: 0;
}