/* ============================================
   Sekonic Korea - Main Stylesheet
   Professional Light Measurement Equipment
   ============================================ */

/* CSS Variables */
:root {
    /* Brand Colors */
    --sk-primary: #1b62f4;
    --sk-primary-dark: #1554d6;
    --sk-primary-light: #8daaf5;
    --sk-accent: #1b62f4;

    /* Neutral Colors */
    --sk-black: #000000;
    --sk-dark: #111;
    --sk-text: #333333;
    --sk-text-light: #666;
    --sk-border: #ddd;
    --sk-bg: #ffffff;
    --sk-bg-gray: #f5f5f5;
    --sk-bg-dark: #1a1a1a;

    /* Typography */
    --sk-font-primary: 'Pretendard', 'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;
    --sk-font-title: 'GmarketSans', sans-serif;

    /* Spacing */
    --sk-spacing-xs: 0.5rem;
    --sk-spacing-sm: 1rem;
    --sk-spacing-md: 1.5rem;
    --sk-spacing-lg: 2rem;
    --sk-spacing-xl: 3rem;
    --sk-spacing-2xl: 4rem;
    --sk-spacing-3xl: 6rem;

    /* Border Radius */
    --sk-radius-sm: 4px;
    --sk-radius-md: 8px;
    --sk-radius-lg: 12px;

    /* Transitions */
    --sk-transition: all 0.3s ease;
    --sk-transition-fast: all 0.15s ease;

    /* Shadows */
    --sk-shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
    --sk-shadow-md: 0 4px 16px rgba(0,0,0,0.1);
    --sk-shadow-lg: 0 10px 30px rgba(0,0,0,0.12);
    --sk-shadow-hover: 0 15px 40px rgba(0,0,0,0.15);

    /* Container */
    --sk-container-max: 1200px;
    --sk-container-padding: 1.5rem;
}

/* ============================================
   Reset & Base
   ============================================ */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--sk-font-primary);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--sk-text);
    background-color: var(--sk-bg);
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--sk-transition-fast);
}

ul, ol {
    list-style: none;
}

/* ============================================
   Typography
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--sk-font-primary);
    font-weight: 700;
    line-height: 1.3;
    color: var(--sk-dark);
    margin-bottom: var(--sk-spacing-sm);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: var(--sk-spacing-sm);
}

.text-primary { color: var(--sk-primary); }
.text-light { color: var(--sk-text-light); }
.text-white { color: #fff; }
.text-center { text-align: center; }

/* ============================================
   Layout
   ============================================ */
.container {
    max-width: var(--sk-container-max);
    margin: 0 auto;
    padding-left: 20px;
    padding-right: 20px;
}

.container-fluid {
    width: 100%;
    padding-left: var(--sk-container-padding);
    padding-right: var(--sk-container-padding);
}

.section {
    padding: var(--sk-spacing-3xl) 0;
}

.section-sm {
    padding: var(--sk-spacing-xl) 0;
}

.section-gray {
    background-color: var(--sk-bg-gray);
}

.section-dark {
    background-color: var(--sk-bg-dark);
    color: #fff;
}

/* Grid */
.grid {
    display: grid;
    gap: var(--sk-spacing-lg);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-6 { grid-template-columns: repeat(6, 1fr); }

@media (max-width: 992px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .grid-2, .grid-3, .grid-4, .grid-6 {
        grid-template-columns: 1fr;
    }
}

/* Flex */
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-wrap { flex-wrap: wrap; }
.gap-sm { gap: var(--sk-spacing-sm); }
.gap-md { gap: var(--sk-spacing-md); }
.gap-lg { gap: var(--sk-spacing-lg); }

/* ============================================
   Header
   ============================================ */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.98);
    border-bottom: 1px solid var(--sk-border);
    transition: var(--sk-transition);
}

.site-header.scrolled {
    box-shadow: var(--sk-shadow-sm);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.site-logo {
    display: flex;
    align-items: center;
}

.site-logo img {
    height: 40px;
    width: auto;
}

.site-logo .logo-text {
    font-family: var(--sk-font-title);
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--sk-primary);
    letter-spacing: 3px;
}

.site-logo .logo-sub {
    font-size: 0.75rem;
    color: var(--sk-text-light);
    display: block;
    margin-top: -2px;
}

/* Navigation */
.main-nav {
    display: flex;
    align-items: center;
    gap: var(--sk-spacing-lg);
}

.main-nav a {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--sk-text);
    padding: 0.5rem 0;
    position: relative;
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--sk-primary);
    transition: var(--sk-transition);
}

.main-nav a:hover,
.main-nav a.active {
    color: var(--sk-primary);
}

.main-nav a:hover::after,
.main-nav a.active::after {
    width: 100%;
}

/* Dropdown Menu */
.nav-item {
    position: relative;
}

.nav-dropdown {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    min-width: 200px;
    background: #fff;
    border-radius: var(--sk-radius-md);
    box-shadow: var(--sk-shadow-lg);
    padding: var(--sk-spacing-sm) 0;
    opacity: 0;
    visibility: hidden;
    transition: var(--sk-transition);
}

.nav-item:hover .nav-dropdown {
    opacity: 1;
    visibility: visible;
}

.nav-dropdown a {
    display: block;
    padding: 0.75rem 1.25rem;
    font-size: 0.875rem;
}

.nav-dropdown a:hover {
    background: var(--sk-bg-gray);
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 10px;
}

.menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--sk-dark);
    transition: var(--sk-transition);
}

@media (max-width: 992px) {
    .menu-toggle {
        display: flex;
    }

    .main-nav {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        bottom: 0;
        background: #fff;
        flex-direction: column;
        padding: var(--sk-spacing-lg);
        transform: translateX(100%);
        transition: var(--sk-transition);
    }

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

    .main-nav a {
        font-size: 1.125rem;
        padding: 1rem 0;
        border-bottom: 1px solid var(--sk-border);
        width: 100%;
    }
}

/* ============================================
   Buttons (Design)
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 40px;
    font-size: 15px;
    font-weight: 500;
    border-radius: 4px;
    transition: all 0.3s;
    cursor: pointer;
    font-family: var(--sk-font-primary);
    border: 1px solid transparent;
}

.btn-primary {
    background-color: var(--sk-primary);
    color: #fff;
    border-color: var(--sk-primary);
}

.btn-primary:hover {
    background-color: var(--sk-primary-dark);
    border-color: var(--sk-primary-dark);
    color: #fff;
}

.btn-outline-primary {
    background-color: transparent;
    color: var(--sk-primary);
    border-color: var(--sk-primary);
}

.btn-outline-primary:hover {
    background-color: var(--sk-primary);
    color: #fff;
}

.btn-outline-white {
    background-color: transparent;
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.4);
}

.btn-outline-white:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.8);
}

.btn-outline-dark {
    background-color: transparent;
    color: var(--sk-dark);
    border: 1px solid #333;
}

.btn-outline-dark:hover {
    background-color: #f5f5f5;
}

.btn-group {
    display: flex;
    gap: 15px;
}

.justify-center {
    justify-content: center;
}

.mt-40 {
    margin-top: 40px;
}

.btn-sm {
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1rem;
}

/* ============================================
   Section Typography (Design)
   ============================================ */
.section-subtitle {
    color: var(--sk-primary);
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 2px;
    margin-bottom: 10px;
}

.section-title {
    font-family: var(--sk-font-title);
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.3;
}

.section-desc {
    color: var(--sk-text-light);
    font-size: 16px;
    margin-bottom: 50px;
}

/* ============================================
   Hero Section (Swiper)
   ============================================ */
.hero {
    height: 100vh;
    min-height: 700px;
    position: relative;
}

.hero .swiper-slide {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.slide-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    z-index: -1;
}

.slide-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
}

.slide-content {
    color: #fff;
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    z-index: 2;
}

.slide-content .badge {
    background-color: var(--sk-primary);
    color: #fff;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    margin-bottom: 20px;
    letter-spacing: 1px;
}

.slide-content .main-title {
    font-family: var(--sk-font-title);
    font-size: 52px;
    font-weight: 500;
    line-height: 1.3;
    margin-bottom: 25px;
    color: #fff;
}

.slide-content .main-title .highlight {
    font-weight: 700;
    letter-spacing: 2px;
    color: #5a9aff;
}

.divider-line {
    width: 1px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.4);
    margin: 15px 0 25px 0;
}

.slide-content .desc {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 40px;
    line-height: 1.6;
    font-weight: 300;
}

.swiper-pagination-bullet {
    background: #fff;
    opacity: 0.5;
}

.swiper-pagination-bullet-active {
    opacity: 1;
    background: var(--sk-primary);
}

.hero .swiper-button-next,
.hero .swiper-button-prev {
    color: #fff;
    opacity: 0.5;
    transition: opacity 0.3s;
}

.hero .swiper-button-next:hover,
.hero .swiper-button-prev:hover {
    opacity: 1;
}

/* ============================================
   Brand Section (Design - Circular Image)
   ============================================ */
.brand-section {
    position: relative;
    padding: 150px 0;
    overflow: hidden;
}

.brand-image {
    position: absolute;
    left: -5%;
    bottom: -10%;
    width: 45%;
    max-width: 800px;
    z-index: 1;
}

.brand-image .img-wrapper {
    width: 100%;
    aspect-ratio: 1 / 1;
    border-radius: 50%;
    overflow: hidden;
    position: relative;
}

.brand-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

.brand-image:hover img {
    transform: scale(1.05);
}

.brand-inner {
    position: relative;
    z-index: 2;
    display: flex;
    justify-content: flex-end;
}

.brand-empty-col {
    width: 45%;
}

.brand-content {
    width: 55%;
    padding-left: 50px;
}

.brand-desc {
    color: #444;
    margin-bottom: 40px;
    font-size: 15px;
    font-weight: 400;
}

.brand-desc p {
    margin-bottom: 25px;
    line-height: 1.8;
}

.brand-section .btn-primary {
    border-radius: 0;
    font-size: 14px;
    font-weight: 700;
    padding: 16px 45px;
}

@media (max-width: 1024px) {
    .brand-image {
        position: relative;
        left: auto;
        bottom: auto;
        width: 80%;
        max-width: 500px;
        margin: 0 auto 50px auto;
    }

    .brand-inner {
        flex-direction: column;
        justify-content: center;
        text-align: center;
    }

    .brand-empty-col {
        display: none;
    }

    .brand-content {
        width: 100%;
        padding-left: 0;
    }
}

/* ============================================
   Service Section (Design)
   ============================================ */
.service-section {
    padding: 120px 0;
    background-color: var(--sk-bg-gray);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.stat-card {
    background: #fff;
    padding: 60px 40px;
    border-radius: 4px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.03);
    transition: transform 0.3s, box-shadow 0.3s;
    text-align: center;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.06);
}

.stat-card h3 {
    font-family: var(--sk-font-title);
    font-size: 32px;
    color: var(--sk-primary);
    margin-bottom: 12px;
}

.stat-card p {
    font-size: 13px;
    color: var(--sk-text-light);
    font-weight: 400;
    margin-bottom: 0;
}

.service-btn {
    border-radius: 0;
    font-size: 14px;
    font-weight: 500;
    padding: 16px 50px;
}

@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   Products Section (Design)
   ============================================ */
.products-section {
    padding: 120px 0;
}

.products-header {
    display: flex;
    justify-content: flex-end;
    margin-top: -30px;
    margin-bottom: 40px;
}

.view-all {
    color: var(--sk-primary);
    font-weight: 500;
    font-size: 14px;
}

.view-all:hover {
    text-decoration: underline;
}

.product-tabs {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 60px;
}

.product-tabs button {
    padding: 12px 0;
    width: 150px;
    border: 1px solid #ebebeb;
    background: transparent;
    color: #555;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
    font-size: 14px;
}

.product-tabs li.active button,
.product-tabs button:hover {
    background: var(--sk-primary);
    color: #fff;
    border-color: var(--sk-primary);
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    row-gap: 40px;
}

.product-card {
    text-align: left;
    border: 1px solid #f0f0f0;
    border-radius: 4px;
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.04);
}

.product-img {
    background-color: #f2f2f2;
    aspect-ratio: 1;
    margin-bottom: 0;
    position: relative;
    transition: background-color 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.product-img img {
    max-width: 80%;
    max-height: 80%;
    object-fit: contain;
    transition: transform 0.3s;
}

.product-card:hover .product-img {
    background-color: #ebebeb;
}

.product-card:hover .product-img img {
    transform: scale(1.05);
}

.product-info {
    padding: 24px 20px;
    background: #fff;
}

.product-info .category {
    display: block;
    color: var(--sk-primary-light);
    font-size: 11px;
    font-weight: 700;
    margin-bottom: 6px;
    letter-spacing: 2.5px;
}

.product-info h4 {
    font-size: 15px;
    margin-bottom: 12px;
    font-weight: 700;
    color: #111;
}

.product-info p {
    font-size: 13px;
    color: #777;
    margin-bottom: 25px;
    letter-spacing: -0.3px;
}

.more-link {
    color: var(--sk-primary);
    font-size: 13px;
    font-weight: 500;
}

.more-link:hover {
    text-decoration: underline;
}

@media (max-width: 1024px) {
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .slide-content .main-title {
        font-size: 40px;
    }
}

@media (max-width: 768px) {
    .product-tabs {
        flex-wrap: wrap;
    }

    .product-tabs button {
        width: auto;
        padding: 10px 20px;
    }

    .product-grid {
        grid-template-columns: 1fr;
    }

    .btn-group {
        flex-direction: column;
        width: 100%;
    }

    .btn-group .btn {
        width: 100%;
    }

    .slide-content .main-title {
        font-size: 32px;
    }

    .slide-content .desc {
        font-size: 15px;
    }
}

/* ============================================
   Contact Section (Design)
   ============================================ */
.contact-section {
    padding: 120px 0;
    background-color: var(--sk-bg-gray);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.contact-card {
    background: #fff;
    padding: 35px 30px;
    border-radius: 4px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    align-items: flex-start;
    text-align: left;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.03);
    position: relative;
    overflow: hidden;
    height: 220px;
    transition: transform 0.3s, box-shadow 0.3s;
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.06);
}

.icon-wrap {
    position: absolute;
    top: 30px;
    right: 30px;
    width: 65px;
    height: 65px;
    background-color: #f5f7fc;
    color: var(--sk-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
}

.contact-info {
    max-width: 100%;
}

.contact-info h3 {
    font-size: 18px;
    margin-bottom: 12px;
    font-weight: 700;
    color: #111;
}

.contact-info p {
    color: #777;
    font-size: 13px;
    margin-bottom: 25px;
    line-height: 1.5;
}

.contact-info .more-link {
    font-size: 13px;
    font-weight: 600;
}

@media (max-width: 768px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   Footer
   ============================================ */
.site-footer {
    background: var(--sk-bg-dark);
    color: rgba(255,255,255,0.7);
    padding: var(--sk-spacing-2xl) 0 var(--sk-spacing-lg);
}

.footer-main {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--sk-spacing-xl);
    padding-bottom: var(--sk-spacing-xl);
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-brand .logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: var(--sk-spacing-sm);
}

.footer-brand p {
    font-size: 0.9375rem;
    line-height: 1.7;
    margin-bottom: var(--sk-spacing-md);
}

.footer-social {
    display: flex;
    gap: var(--sk-spacing-sm);
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    transition: var(--sk-transition);
}

.footer-social a:hover {
    background: var(--sk-primary);
}

.footer-nav h4 {
    color: #fff;
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--sk-spacing-md);
}

.footer-nav ul {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-nav a {
    color: rgba(255,255,255,0.7);
    font-size: 0.9375rem;
    transition: var(--sk-transition-fast);
}

.footer-nav a:hover {
    color: #fff;
    padding-left: 5px;
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    font-size: 0.9375rem;
}

.footer-contact svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    margin-top: 2px;
    color: var(--sk-primary);
}

.footer-bottom {
    padding-top: var(--sk-spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--sk-spacing-sm);
}

.footer-bottom p {
    font-size: 0.875rem;
    margin: 0;
}

.footer-links {
    display: flex;
    gap: var(--sk-spacing-md);
}

.footer-links a {
    font-size: 0.875rem;
    color: rgba(255,255,255,0.5);
}

.footer-links a:hover {
    color: #fff;
}

@media (max-width: 992px) {
    .footer-main {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 576px) {
    .footer-main {
        grid-template-columns: 1fr;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

/* ============================================
   Page Templates
   ============================================ */
.page-header {
    padding: calc(80px + var(--sk-spacing-2xl)) 0 var(--sk-spacing-2xl);
    background: var(--sk-bg-gray);
    text-align: center;
}

.page-header h1 {
    font-size: 2.5rem;
    margin-bottom: var(--sk-spacing-sm);
}

.breadcrumb {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--sk-text-light);
}

.breadcrumb a {
    color: var(--sk-text-light);
}

.breadcrumb a:hover {
    color: var(--sk-primary);
}

.breadcrumb .separator {
    color: var(--sk-border);
}

.page-content {
    padding: var(--sk-spacing-2xl) 0;
}

/* ============================================
   Product Detail Page
   ============================================ */
.product-detail {
    padding: calc(80px + var(--sk-spacing-xl)) 0 var(--sk-spacing-2xl);
}

.product-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--sk-spacing-2xl);
}

.product-gallery {
    position: sticky;
    top: 100px;
}

.product-main-image {
    background: var(--sk-bg-gray);
    border-radius: var(--sk-radius-lg);
    padding: var(--sk-spacing-xl);
    margin-bottom: var(--sk-spacing-md);
}

.product-main-image img {
    width: 100%;
    height: auto;
}

.product-thumbs {
    display: flex;
    gap: var(--sk-spacing-sm);
}

.product-thumb {
    width: 80px;
    height: 80px;
    background: var(--sk-bg-gray);
    border-radius: var(--sk-radius-sm);
    padding: 0.5rem;
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--sk-transition);
}

.product-thumb.active,
.product-thumb:hover {
    border-color: var(--sk-primary);
}

.product-info-detail h1 {
    font-size: 2rem;
    margin-bottom: var(--sk-spacing-sm);
}

.product-subtitle {
    font-size: 1.125rem;
    color: var(--sk-text-light);
    margin-bottom: var(--sk-spacing-md);
}

.product-features {
    margin: var(--sk-spacing-lg) 0;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: var(--sk-spacing-sm);
    padding: var(--sk-spacing-sm) 0;
    border-bottom: 1px solid var(--sk-border);
}

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

.feature-item svg {
    width: 20px;
    height: 20px;
    color: var(--sk-primary);
    flex-shrink: 0;
    margin-top: 2px;
}

.product-actions {
    display: flex;
    gap: var(--sk-spacing-sm);
    margin-top: var(--sk-spacing-lg);
}

/* Product Detail Tabs */
.product-detail-tabs {
    margin-top: var(--sk-spacing-2xl);
}

.tab-nav {
    display: flex;
    border-bottom: 2px solid var(--sk-border);
    margin-bottom: var(--sk-spacing-lg);
}

.tab-btn {
    padding: var(--sk-spacing-md) var(--sk-spacing-lg);
    font-size: 1rem;
    font-weight: 600;
    color: var(--sk-text-light);
    background: none;
    border: none;
    cursor: pointer;
    position: relative;
    transition: var(--sk-transition);
}

.tab-btn::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--sk-primary);
    transform: scaleX(0);
    transition: var(--sk-transition);
}

.tab-btn:hover,
.tab-btn.active {
    color: var(--sk-primary);
}

.tab-btn.active::after {
    transform: scaleX(1);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.spec-table {
    width: 100%;
    border-collapse: collapse;
}

.spec-table tr {
    border-bottom: 1px solid var(--sk-border);
}

.spec-table th,
.spec-table td {
    padding: var(--sk-spacing-sm);
    text-align: left;
}

.spec-table th {
    font-weight: 600;
    width: 30%;
    background: var(--sk-bg-gray);
}

@media (max-width: 992px) {
    .product-detail-grid {
        grid-template-columns: 1fr;
    }

    .product-gallery {
        position: relative;
        top: 0;
    }
}

/* ============================================
   Contact Form
   ============================================ */
.contact-form {
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: var(--sk-spacing-md);
}

.form-label {
    display: block;
    font-size: 0.9375rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--sk-dark);
}

.form-label .required {
    color: #e53e3e;
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: 0.875rem 1rem;
    font-family: var(--sk-font-primary);
    font-size: 1rem;
    color: var(--sk-text);
    background: #fff;
    border: 1px solid var(--sk-border);
    border-radius: var(--sk-radius-sm);
    transition: var(--sk-transition);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--sk-primary);
    box-shadow: 0 0 0 3px rgba(27, 98, 244, 0.1);
}

.form-textarea {
    min-height: 150px;
    resize: vertical;
}

/* ============================================
   CC Logo Icon (Matching charliechois main)
   ============================================ */
.cc-logo-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--sk-primary);
    color: #fff;
    font-weight: 800;
    font-size: 0.875rem;
    border-radius: 6px;
    letter-spacing: -0.5px;
    font-family: var(--sk-font-title);
}

.btn-header-login {
    padding: 8px 20px !important;
    font-size: 0.8rem !important;
    border: 1px solid var(--sk-text) !important;
    color: var(--sk-text) !important;
    border-radius: 4px;
    background: transparent;
}

.btn-header-login:hover {
    border-color: var(--sk-primary) !important;
    color: var(--sk-primary) !important;
}

.header-actions {
    display: flex;
    align-items: center;
}

@media (max-width: 992px) {
    .header-actions {
        display: none;
    }
}

/* ============================================
   Section Labels (Legacy compat)
   ============================================ */
.section-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 0.75rem;
}

.section-label-blue {
    color: var(--sk-primary);
}

.section-header {
    text-align: center;
    margin-bottom: var(--sk-spacing-2xl);
}

.section-header h2 {
    font-size: 2.25rem;
    margin-bottom: var(--sk-spacing-sm);
}

.section-header p {
    color: var(--sk-text-light);
    font-size: 1.125rem;
    max-width: 600px;
    margin: 0 auto;
}

.section-header-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-top: 0.5rem;
}

.section-header-row p {
    margin: 0;
    text-align: left;
}

.view-all-link {
    color: var(--sk-text);
    font-size: 0.875rem;
    font-weight: 600;
    white-space: nowrap;
}

.view-all-link:hover {
    color: var(--sk-primary);
}

/* ============================================
   Utilities
   ============================================ */
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--sk-spacing-xs); }
.mb-2 { margin-bottom: var(--sk-spacing-sm); }
.mb-3 { margin-bottom: var(--sk-spacing-md); }
.mb-4 { margin-bottom: var(--sk-spacing-lg); }
.mb-5 { margin-bottom: var(--sk-spacing-xl); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--sk-spacing-xs); }
.mt-2 { margin-top: var(--sk-spacing-sm); }
.mt-3 { margin-top: var(--sk-spacing-md); }
.mt-4 { margin-top: var(--sk-spacing-lg); }
.mt-5 { margin-top: var(--sk-spacing-xl); }

.py-2 { padding-top: var(--sk-spacing-sm); padding-bottom: var(--sk-spacing-sm); }
.py-3 { padding-top: var(--sk-spacing-md); padding-bottom: var(--sk-spacing-md); }
.py-4 { padding-top: var(--sk-spacing-lg); padding-bottom: var(--sk-spacing-lg); }

.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }

@media (max-width: 768px) {
    .d-md-none { display: none; }
    .d-md-block { display: block; }

    .section-header-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
}

/* ============================================
   Animations
   ============================================ */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.animate-fade-in {
    animation: fadeIn 0.6s ease forwards;
}

.animate-fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
}

.animate-slide-in-right {
    animation: slideInRight 0.6s ease forwards;
}

/* Scroll Animation */
[data-aos] {
    opacity: 0;
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-aos].aos-animate {
    opacity: 1;
}

[data-aos="fade-up"] {
    transform: translateY(30px);
}

[data-aos="fade-up"].aos-animate {
    transform: translateY(0);
}

/* ============================================
   WooCommerce Overrides
   ============================================ */

/* Hide WC default page title */
.wc-content .page-title,
.woocommerce-products-header__title {
    display: none !important;
}

/* Page Header for WC pages */
.wc-content {
    padding: 60px 0 80px;
    background: #f8f8f8;
    min-height: 60vh;
}

/* ---- Product Grid ---- */
.woocommerce ul.products,
.woocommerce-page ul.products {
    display: grid !important;
    grid-template-columns: repeat(4, 1fr) !important;
    gap: 24px !important;
    list-style: none !important;
    padding: 0 !important;
    margin: 0 !important;
}

.woocommerce ul.products::before,
.woocommerce ul.products::after,
.woocommerce-page ul.products::before,
.woocommerce-page ul.products::after {
    display: none !important;
    content: none !important;
}

.woocommerce ul.products li.product,
.woocommerce-page ul.products li.product {
    float: none !important;
    width: 100% !important;
    margin: 0 !important;
    padding: 0 !important;
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.woocommerce ul.products li.product:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.12);
}

/* Product Images */
.woocommerce ul.products li.product a img,
.woocommerce-page ul.products li.product a img {
    width: 100% !important;
    height: 240px !important;
    object-fit: contain !important;
    padding: 16px;
    background: #fff;
    margin: 0 !important;
}

/* Product Title */
.woocommerce ul.products li.product .woocommerce-loop-product__title {
    font-family: 'Pretendard', sans-serif;
    font-size: 14px;
    font-weight: 600;
    color: #212121;
    padding: 12px 16px 4px;
    margin: 0;
    line-height: 1.4;
}

/* Product Price */
.woocommerce ul.products li.product .price {
    font-family: 'Pretendard', sans-serif;
    font-size: 16px;
    font-weight: 700;
    color: #0a4da3;
    padding: 0 16px 8px;
}

.woocommerce ul.products li.product .price del {
    font-size: 13px;
    color: #999;
    font-weight: 400;
}

.woocommerce ul.products li.product .price ins {
    text-decoration: none;
}

/* Add to Cart Button */
.woocommerce ul.products li.product .button,
.woocommerce ul.products li.product a.add_to_cart_button {
    display: block !important;
    width: calc(100% - 32px) !important;
    margin: 8px 16px 16px !important;
    padding: 10px 16px !important;
    background: #0a4da3 !important;
    color: #fff !important;
    border: none !important;
    border-radius: 8px !important;
    font-size: 14px !important;
    font-weight: 600 !important;
    text-align: center !important;
    cursor: pointer !important;
    transition: background 0.3s ease !important;
    text-decoration: none !important;
}

.woocommerce ul.products li.product .button:hover,
.woocommerce ul.products li.product a.add_to_cart_button:hover {
    background: #083a7a !important;
}

/* ---- Single Product ---- */
.woocommerce div.product {
    max-width: 100%;
}

.woocommerce div.product div.images,
.woocommerce div.product div.summary {
    display: inline-block !important;
    vertical-align: top !important;
    width: 48% !important;
    float: none !important;
}

.woocommerce div.product div.images {
    margin-right: 3% !important;
}

.woocommerce div.product div.images img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    background: #fff;
}

/* Product Summary */
.woocommerce div.product div.summary {
    padding: 0;
}

.woocommerce div.product .product_title {
    font-family: 'GMarketSans', 'Pretendard', sans-serif;
    font-size: 28px;
    font-weight: 700;
    color: #212121;
    margin-bottom: 16px;
}

.woocommerce div.product p.price {
    font-size: 24px;
    font-weight: 700;
    color: #0a4da3;
    margin-bottom: 24px;
}

.woocommerce div.product .woocommerce-product-details__short-description {
    font-size: 15px;
    line-height: 1.8;
    color: #555;
    margin-bottom: 24px;
}

/* Single Product Add to Cart */
.woocommerce div.product form.cart .button {
    background: #0a4da3 !important;
    color: #fff !important;
    border: none !important;
    border-radius: 8px !important;
    padding: 14px 32px !important;
    font-size: 16px !important;
    font-weight: 600 !important;
    cursor: pointer !important;
    transition: background 0.3s ease !important;
}

.woocommerce div.product form.cart .button:hover {
    background: #083a7a !important;
}

/* Quantity Input */
.woocommerce div.product form.cart .quantity input {
    width: 60px;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 8px;
    text-align: center;
    font-size: 16px;
}

/* Product Tabs */
.woocommerce div.product .woocommerce-tabs {
    width: 100% !important;
    clear: both !important;
    margin-top: 48px;
    padding-top: 32px;
    border-top: 1px solid #e0e0e0;
}

.woocommerce div.product .woocommerce-tabs ul.tabs {
    list-style: none;
    padding: 0;
    margin: 0 0 24px;
    display: flex;
    gap: 0;
    border-bottom: 2px solid #e0e0e0;
}

.woocommerce div.product .woocommerce-tabs ul.tabs li {
    margin: 0;
    padding: 0;
    border: none;
    background: none;
}

.woocommerce div.product .woocommerce-tabs ul.tabs li a {
    display: block;
    padding: 12px 24px;
    font-size: 15px;
    font-weight: 600;
    color: #777;
    text-decoration: none;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: color 0.3s ease, border-color 0.3s ease;
}

.woocommerce div.product .woocommerce-tabs ul.tabs li.active a {
    color: #0a4da3;
    border-bottom-color: #0a4da3;
}

.woocommerce div.product .woocommerce-tabs .panel {
    padding: 24px 0;
    font-size: 15px;
    line-height: 1.8;
    color: #444;
}

/* ---- Related Products ---- */
.woocommerce div.product section.related,
.woocommerce div.product .related.products {
    width: 100% !important;
    clear: both !important;
    margin-top: 48px;
    padding-top: 32px;
    border-top: 1px solid #e0e0e0;
}

.woocommerce div.product section.related h2,
.woocommerce div.product .related.products h2 {
    font-family: 'GMarketSans', 'Pretendard', sans-serif;
    font-size: 22px;
    font-weight: 700;
    color: #212121;
    margin-bottom: 24px;
}

.woocommerce div.product section.related ul.products,
.woocommerce div.product .related.products ul.products {
    display: grid !important;
    grid-template-columns: repeat(4, 1fr) !important;
    gap: 24px !important;
}

.woocommerce div.product section.related ul.products li.product,
.woocommerce div.product .related.products ul.products li.product {
    float: none !important;
    width: 100% !important;
    margin: 0 !important;
}

/* ---- Result Count & Ordering ---- */
.woocommerce .woocommerce-result-count {
    font-size: 14px;
    color: #777;
    margin-bottom: 16px;
}

.woocommerce .woocommerce-ordering select {
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 14px;
    background: #fff;
}

/* ---- Pagination ---- */
.woocommerce nav.woocommerce-pagination {
    margin-top: 40px;
    text-align: center;
}

.woocommerce nav.woocommerce-pagination ul {
    display: inline-flex;
    gap: 8px;
    list-style: none;
    padding: 0;
    margin: 0;
    border: none;
}

.woocommerce nav.woocommerce-pagination ul li {
    border: none;
}

.woocommerce nav.woocommerce-pagination ul li a,
.woocommerce nav.woocommerce-pagination ul li span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 12px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 14px;
    color: #555;
    text-decoration: none;
    transition: all 0.3s ease;
    background: #fff;
}

.woocommerce nav.woocommerce-pagination ul li a:hover {
    background: #0a4da3;
    color: #fff;
    border-color: #0a4da3;
}

.woocommerce nav.woocommerce-pagination ul li span.current {
    background: #0a4da3;
    color: #fff;
    border-color: #0a4da3;
}

/* ---- Sale Badge ---- */
.woocommerce span.onsale {
    background: #e74c3c !important;
    color: #fff !important;
    border-radius: 4px !important;
    padding: 4px 10px !important;
    font-size: 12px !important;
    font-weight: 700 !important;
    min-width: auto !important;
    min-height: auto !important;
    line-height: 1.4 !important;
}

/* ---- Notices & Messages ---- */
.woocommerce .woocommerce-message,
.woocommerce .woocommerce-info {
    border-top-color: #0a4da3;
    background: #f0f6ff;
}

.woocommerce .woocommerce-message::before,
.woocommerce .woocommerce-info::before {
    color: #0a4da3;
}

.woocommerce .woocommerce-error {
    border-top-color: #e74c3c;
}

/* ---- Star Rating ---- */
.woocommerce .star-rating {
    color: #f39c12;
}

/* ---- Responsive ---- */
@media (max-width: 1024px) {
    .woocommerce ul.products,
    .woocommerce-page ul.products {
        grid-template-columns: repeat(3, 1fr) !important;
    }

    .woocommerce div.product section.related ul.products,
    .woocommerce div.product .related.products ul.products {
        grid-template-columns: repeat(3, 1fr) !important;
    }
}

@media (max-width: 768px) {
    .wc-content {
        padding: 40px 0 60px;
    }

    .woocommerce ul.products,
    .woocommerce-page ul.products {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 16px !important;
    }

    .woocommerce ul.products li.product a img,
    .woocommerce-page ul.products li.product a img {
        height: 180px !important;
    }

    .woocommerce div.product div.images,
    .woocommerce div.product div.summary {
        display: block !important;
        width: 100% !important;
        margin-right: 0 !important;
    }

    .woocommerce div.product div.images {
        margin-bottom: 24px !important;
    }

    .woocommerce div.product .product_title {
        font-size: 22px;
    }

    .woocommerce div.product p.price {
        font-size: 20px;
    }

    .woocommerce div.product section.related ul.products,
    .woocommerce div.product .related.products ul.products {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 16px !important;
    }

    .woocommerce div.product .woocommerce-tabs ul.tabs li a {
        padding: 10px 16px;
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .woocommerce ul.products,
    .woocommerce-page ul.products {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 12px !important;
    }

    .woocommerce ul.products li.product a img,
    .woocommerce-page ul.products li.product a img {
        height: 140px !important;
        padding: 8px;
    }

    .woocommerce ul.products li.product .woocommerce-loop-product__title {
        font-size: 13px;
        padding: 8px 12px 2px;
    }

    .woocommerce ul.products li.product .price {
        font-size: 14px;
        padding: 0 12px 6px;
    }

    .woocommerce ul.products li.product .button,
    .woocommerce ul.products li.product a.add_to_cart_button {
        width: calc(100% - 24px) !important;
        margin: 6px 12px 12px !important;
        padding: 8px 12px !important;
        font-size: 13px !important;
    }
}