/* ============================================
   Jiangsu Yishengdu International Trade Co., Ltd
   Premium UI Stylesheet v3
   ============================================ */

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

:root {
    /* Brand Colors */
    --primary: #0f2b4c;
    --primary-dark: #091c33;
    --primary-light: #1a4a80;
    --primary-surface: #eef3f9;
    
    /* Accent - warm industrial amber */
    --accent: #d97706;
    --accent-hover: #b45309;
    --accent-light: #fef3c7;
    --accent-gradient: linear-gradient(135deg, #f59e0b, #d97706);
    
    /* Text */
    --text: #1e293b;
    --text-secondary: #64748b;
    --text-light: #94a3b8;
    --text-lighter: #b0b9c6;
    
    /* Backgrounds */
    --bg: #ffffff;
    --bg-light: #f8fafc;
    --bg-surface: #f1f5f9;
    --bg-dark: #0f172a;
    --bg-footer: #0b1423;
    
    /* Borders */
    --border: #e2e8f0;
    --border-light: #f1f5f9;
    
    /* Status */
    --success: #16a34a;
    --warning: #f59e0b;
    
    /* Shadows - layered depth */
    --shadow-xs: 0 1px 2px rgba(0,0,0,0.04);
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
    --shadow: 0 4px 6px rgba(0,0,0,0.05), 0 2px 4px rgba(0,0,0,0.04);
    --shadow-md: 0 10px 25px rgba(0,0,0,0.08), 0 4px 10px rgba(0,0,0,0.04);
    --shadow-hover: 0 20px 45px rgba(0,0,0,0.1), 0 8px 15px rgba(0,0,0,0.05);
    --shadow-lg: 0 25px 60px rgba(0,0,0,0.12), 0 10px 25px rgba(0,0,0,0.06);
    --shadow-xl: 0 35px 80px rgba(0,0,0,0.15);
    
    /* Border Radius */
    --radius-sm: 6px;
    --radius: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: all 0.15s ease;
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    
    /* Layout */
    --max-width: 1320px;
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.75;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    letter-spacing: -0.01em;
}

/* Selection highlight */
::selection { background: rgba(217,119,6,0.2); color: var(--text); }

h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', 'Segoe UI', sans-serif;
    font-weight: 600;
    line-height: 1.25;
    letter-spacing: -0.02em;
}

a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--accent); }

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

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }

/* ============================================
   Header
   ============================================ */
.header { position: relative; z-index: 1000; }
.header-top {
    background: linear-gradient(135deg, var(--primary-dark), #122e4a);
    color: #fff;
    font-size: 0.82rem;
    padding: 8px 0;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}
.header-top-inner { display: flex; justify-content: space-between; align-items: center; }
.header-contact span { margin-right: 24px; font-weight: 400; letter-spacing: 0.01em; }
.header-contact i { margin-right: 6px; opacity: 0.7; font-size: 0.75rem; }
.header-social a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px; height: 30px;
    border-radius: 50%;
    color: rgba(255,255,255,0.65);
    margin-left: 4px;
    font-size: 0.8rem;
    transition: var(--transition-bounce);
}
.header-social a:hover { 
    color: #fff; 
    background: rgba(255,255,255,0.1);
    transform: translateY(-1px);
}

.header-main {
    background: rgba(255,255,255,0.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(0,0,0,0.04), 0 4px 24px rgba(0,0,0,0.04);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid rgba(0,0,0,0.04);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.logo img { max-height: 48px; width: auto; }
.logo-text { font-size: 1.35rem; font-weight: 700; color: var(--primary); font-family: 'Poppins', sans-serif; letter-spacing: -0.02em; }

/* Navigation */
.nav-list { display: flex; list-style: none; gap: 0; }
.nav-list > li > a {
    display: block;
    padding: 10px 16px;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.9rem;
    position: relative;
    white-space: nowrap;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}
.nav-list > li > a:hover,
.nav-list > li > a.active {
    color: var(--primary);
    background: var(--primary-surface);
}
.nav-list > li > a::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 16px;
    right: 16px;
    height: 2.5px;
    background: var(--accent);
    border-radius: 3px;
    transform: scaleX(0);
    transition: transform 0.3s ease;
}
.nav-list > li > a:hover::after,
.nav-list > li > a.active::after { transform: scaleX(1); }

/* Dropdown */
.dropdown {
    position: relative;
}
.dropdown > a::before {
    content: '▾';
    margin-left: 4px;
    font-size: 0.65rem;
    opacity: 0.5;
    vertical-align: middle;
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    background: #fff;
    min-width: 480px;
    max-height: 420px;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    list-style: none;
    padding: 8px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: all 0.25s ease;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2px;
}
.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.dropdown-menu a {
    display: block;
    padding: 10px 14px;
    color: var(--text-secondary);
    font-size: 0.85rem;
    transition: var(--transition-fast);
    border-radius: 6px;
    line-height: 1.35;
    white-space: normal;
}
.dropdown-menu a:hover {
    background: var(--primary-surface);
    color: var(--primary);
    padding-left: 18px;
}
.dropdown-menu .dropdown-view-all {
    grid-column: 1 / -1;
    margin-top: 4px;
    padding-top: 4px;
    border-top: 1px solid var(--border);
}
.dropdown-menu .dropdown-view-all a {
    color: var(--accent);
    font-weight: 600;
    font-size: 0.82rem;
    text-align: center;
    padding: 10px 14px;
}
.dropdown-menu .dropdown-view-all a:hover {
    background: var(--accent-light);
    color: var(--accent-dark, #b45309);
    padding-left: 14px;
}
.dropdown-menu::-webkit-scrollbar {
    width: 6px;
}
.dropdown-menu::-webkit-scrollbar-track {
    background: transparent;
    border-radius: 0 6px 6px 0;
}
.dropdown-menu::-webkit-scrollbar-thumb {
    background: var(--border-dark);
    border-radius: 3px;
}
.dropdown-menu::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* Header Search */
.header-search { position: relative; }
.search-form {
    display: flex;
    align-items: center;
    background: #f4f6f9;
    border: 1px solid #e2e8f0;
    border-radius: 100px;
    padding: 4px 4px 4px 16px;
    transition: var(--transition);
    min-width: 220px;
}
.search-form:focus-within {
    background: #fff;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(212,160,40,0.15);
}
.search-form input {
    border: none;
    background: transparent;
    outline: none;
    font-size: 0.85rem;
    color: var(--text-primary);
    width: 100%;
    padding: 0;
    font-family: 'Inter', sans-serif;
}
.search-form input::placeholder { color: #94a3b8; }
.search-form button {
    background: var(--primary);
    color: #fff;
    border: none;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    flex-shrink: 0;
}
.search-form button:hover { background: var(--primary-dark); }
.search-form button i { font-size: 0.8rem; }

/* Mobile Toggle */
.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--primary);
    border-radius: 3px;
    transition: var(--transition);
}

/* Mobile Menu */
.mobile-menu {
    display: none;
    position: fixed;
    top: 0;
    right: -300px;
    width: 280px;
    height: 100vh;
    background: #fff;
    box-shadow: -5px 0 20px rgba(0,0,0,0.15);
    z-index: 2000;
    padding: 80px 20px 20px;
    transition: right 0.3s;
    overflow-y: auto;
}

.mobile-menu.active {
    right: 0;
}

.mobile-search {
    margin-bottom: 16px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-light);
}
.mobile-search form {
    display: flex;
    align-items: center;
    background: #f4f6f9;
    border: 1px solid #e2e8f0;
    border-radius: 100px;
    padding: 4px 4px 4px 14px;
}
.mobile-search input {
    border: none;
    background: transparent;
    outline: none;
    font-size: 0.9rem;
    color: var(--text-primary);
    width: 100%;
    padding: 0;
    font-family: 'Inter', sans-serif;
}
.mobile-search input::placeholder { color: #94a3b8; }
.mobile-search button {
    background: var(--primary);
    color: #fff;
    border: none;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    flex-shrink: 0;
}
.mobile-search button i { font-size: 0.85rem; }

.mobile-menu ul {
    list-style: none;
}

.mobile-menu li {
    border-bottom: 1px solid var(--border-light);
}

.mobile-menu a {
    display: block;
    padding: 12px 0;
    color: var(--text);
    font-size: 1rem;
}

.mobile-submenu {
    display: none;
    padding-left: 15px;
}

.mobile-submenu.open {
    display: block;
}

.mobile-overlay {
    display: none;
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 1500;
}

/* ============================================
   Hero Banner
   ============================================ */
.hero-banner {
    position: relative;
    width: 100%;
    overflow: hidden;
    background: var(--primary-dark);
}
.banner-slider {
    position: relative;
    width: 100%;
}
.banner-slide {
    position: absolute;
    top: 0; left: 0;
    width: 100%;
    opacity: 0;
    transition: opacity 1s ease, transform 1.4s ease;
    transform: scale(1.08);
}
.banner-slide::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 40%;
    background: linear-gradient(to top, rgba(0,0,0,0.35), transparent);
    pointer-events: none;
}
.banner-slide.active {
    position: relative;
    opacity: 1;
    z-index: 1;
    transform: scale(1);
}
.banner-img {
    display: block;
    width: 100%;
    height: auto;
}


/* Banner Arrows & Dots */
.banner-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255,255,255,0.12);
    backdrop-filter: blur(12px);
    color: #fff;
    border: 1px solid rgba(255,255,255,0.2);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    font-size: 1rem;
    cursor: pointer;
    z-index: 3;
    transition: var(--transition-bounce);
    opacity: 0.7;
}
.banner-arrow:hover { 
    background: rgba(255,255,255,0.25);
    opacity: 1;
    transform: translateY(-50%) scale(1.08);
}
.banner-arrow.prev { left: 24px; }
.banner-arrow.next { right: 24px; }
.banner-dots {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 3;
}
.dot {
    width: 10px; height: 10px;
    border-radius: 50%;
    background: rgba(255,255,255,0.4);
    cursor: pointer;
    transition: var(--transition);
}
.dot.active { 
    background: var(--accent); 
    width: 32px; 
    border-radius: 6px; 
}

/* ============================================
   Sections
   ============================================ */
section { padding: 90px 0; }
section:nth-child(even) { background: var(--bg-light); }
.section-header { text-align: center; margin-bottom: 60px; }
.section-header h2 {
    font-size: 2.4rem;
    color: var(--primary);
    margin-bottom: 16px;
    font-weight: 700;
    letter-spacing: -0.5px;
    position: relative;
}
.section-header h2 span {
    color: var(--accent);
}
.section-line {
    width: 70px;
    height: 4px;
    background: var(--accent-gradient);
    margin: 0 auto;
    border-radius: 2px;
}
.section-subtitle {
    color: var(--text-secondary);
    font-size: 1.05rem;
    max-width: 600px;
    margin: 12px auto 0;
}
.section-footer { text-align: center; margin-top: 50px; }

/* ============================================
   About Section
   ============================================ */
.about-section { background: var(--bg); position: relative; }
.about-section::before {
    content: '';
    position: absolute;
    top: 0; right: 0;
    width: 45%;
    height: 100%;
    background: var(--bg-light);
    z-index: 0;
}
.about-section .container { position: relative; z-index: 1; }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-image { 
    position: relative; 
    border-radius: var(--radius-lg); 
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}
.about-image img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    transition: transform 0.6s ease;
}
.about-image:hover img { transform: scale(1.03); }

/* About Slide */
.about-slide-wrapper { position: relative; width: 100%; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); }
.about-slide-wrapper::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 30%;
    background: linear-gradient(to top, rgba(0,0,0,0.15), transparent);
    pointer-events: none;
    z-index: 2;
}
.about-slide { position: absolute; top: 0; left: 0; width: 100%; opacity: 0; transition: opacity 0.6s ease; }
.about-slide.active { position: relative; opacity: 1; z-index: 1; }
.about-slide img { display: block; width: 100%; height: auto; border-radius: var(--radius-lg); }
.about-slide-dots { position: absolute; bottom: 12px; left: 50%; transform: translateX(-50%); display: flex; gap: 8px; z-index: 5; }
.about-dot { width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,0.5); cursor: pointer; transition: 0.3s; }
.about-dot.active { background: var(--accent); }
.about-text p { margin-bottom: 18px; font-size: 1.05rem; line-height: 1.9; color: var(--text-secondary); }
.about-text p:first-child { color: var(--text); font-size: 1.1rem; }
.about-certifications { display: flex; gap: 20px; margin: 28px 0; flex-wrap: wrap; }
.cert-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    color: var(--primary);
    background: #fff;
    padding: 12px 20px;
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
    transition: var(--transition-bounce);
}
.cert-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
    border-color: var(--accent);
}
.cert-item i { font-size: 1.2rem; color: var(--success); }
.about-standards { margin: 28px 0; }
.about-standards h4 { margin-bottom: 14px; color: var(--primary); font-size: 1rem; font-weight: 600; }
.tag {
    display: inline-block;
    background: var(--primary-surface);
    color: var(--primary);
    padding: 6px 18px;
    border-radius: var(--radius-full);
    font-size: 0.82rem;
    margin: 4px 4px 4px 0;
    font-weight: 600;
    letter-spacing: 0.02em;
    transition: var(--transition-bounce);
    border: 1px solid transparent;
}
.tag:hover { 
    background: var(--primary);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

/* ============================================
   Products Grid
   ============================================ */
.products-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.product-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition-slow);
    position: relative;
    box-shadow: var(--shadow-xs);
}
.product-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-6px);
    border-color: var(--primary-light);
}
.product-image {
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #f8fafc 0%, #eef2f7 100%);
    padding: 24px;
}
.product-image a { display: block; }
.product-image img {
    width: 100%;
    height: 220px;
    object-fit: contain;
    transition: transform 0.5s ease;
    mix-blend-mode: multiply;
}
.product-card:hover .product-image img { transform: scale(1.08); }
.product-badge {
    position: absolute;
    top: 14px; left: 14px;
    background: var(--accent);
    color: #fff;
    padding: 4px 14px;
    border-radius: var(--radius-full);
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    z-index: 2;
    box-shadow: 0 3px 12px rgba(217,119,6,0.25);
}

/* Card Body */
.product-info {
    padding: 20px 22px 22px;
    border-top: 1px solid var(--border-light);
}
.product-info h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 10px;
    line-height: 1.35;
    height: 2.7em;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}
.product-info h3 a { color: var(--text); }
.product-info h3 a:hover { color: var(--primary); }

/* Specs as compact inline list */
.product-specs-table {
    width: 100%;
    font-size: 0.78rem;
    margin-bottom: 16px;
    border-collapse: collapse;
}
.product-specs-table tr { }
.product-specs-table td {
    padding: 3px 8px 3px 0;
    vertical-align: middle;
    line-height: 1.6;
    color: var(--text-secondary);
    border: none;
}
.product-specs-table td:first-child {
    font-weight: 600;
    color: var(--text);
    white-space: nowrap;
    min-width: 52px;
}
.product-specs-table td:last-child {
    color: var(--text-light);
    word-break: break-all;
    max-width: 160px;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* View Details button */
.product-info > .btn-small.btn-outline {
    display: block;
    width: 100%;
    text-align: center;
    padding: 9px 0;
    font-size: 0.85rem;
    border-radius: var(--radius);
    font-weight: 500;
}

/* ============================================
   Categories Section - Colorful Cards
   ============================================ */
.categories-section { background: var(--bg); }
.categories-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.category-card {
    background: #fff;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 32px 20px 28px;
    text-align: center;
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    display: block;
    position: relative;
    overflow: hidden;
}
/* Colored top accent bar per card */
.category-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    transition: height 0.3s ease;
}
/* Different accent colors for each card */
.category-card:nth-child(1)::before { background: #0f2b4c; }
.category-card:nth-child(2)::before { background: #d97706; }
.category-card:nth-child(3)::before { background: #16a34a; }
.category-card:nth-child(4)::before { background: #0284c7; }
.category-card:nth-child(5)::before { background: #7c3aed; }
.category-card:nth-child(6)::before { background: #0891b2; }
.category-card:nth-child(7)::before { background: #ea580c; }
.category-card:nth-child(8)::before { background: #059669; }
.category-card:nth-child(9)::before { background: #dc2626; }

/* Icon container with per-card colors */
.category-icon {
    width: 80px; height: 80px;
    margin: 16px auto 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.35s ease;
    position: relative;
}
/* Per-card icon background */
.category-card:nth-child(1) .category-icon { background: linear-gradient(135deg, #eef3f9, #dde6f2); }
.category-card:nth-child(2) .category-icon { background: linear-gradient(135deg, #fef3c7, #fde68a); }
.category-card:nth-child(3) .category-icon { background: linear-gradient(135deg, #dcfce7, #bbf7d0); }
.category-card:nth-child(4) .category-icon { background: linear-gradient(135deg, #e0f2fe, #bae6fd); }
.category-card:nth-child(5) .category-icon { background: linear-gradient(135deg, #ede9fe, #c4b5fd); }
.category-card:nth-child(6) .category-icon { background: linear-gradient(135deg, #cffafe, #a5f3fc); }
.category-card:nth-child(7) .category-icon { background: linear-gradient(135deg, #fff7ed, #fed7aa); }
.category-card:nth-child(8) .category-icon { background: linear-gradient(135deg, #d1fae5, #a7f3d0); }
.category-card:nth-child(9) .category-icon { background: linear-gradient(135deg, #fef2f2, #fecaca); }

/* Per-card icon color */
.category-card:nth-child(1) .category-icon i { color: #0f2b4c; }
.category-card:nth-child(2) .category-icon i { color: #d97706; }
.category-card:nth-child(3) .category-icon i { color: #16a34a; }
.category-card:nth-child(4) .category-icon i { color: #0284c7; }
.category-card:nth-child(5) .category-icon i { color: #7c3aed; }
.category-card:nth-child(6) .category-icon i { color: #0891b2; }
.category-card:nth-child(7) .category-icon i { color: #ea580c; }
.category-card:nth-child(8) .category-icon i { color: #059669; }
.category-card:nth-child(9) .category-icon i { color: #dc2626; }

.category-icon i { font-size: 2rem; font-weight: 700; }
.category-icon img { width: 40px; height: 40px; object-fit: contain; filter: none !important; }

.category-card h3 {
    font-size: 1rem;
    color: var(--text);
    margin-bottom: 6px;
    font-weight: 600;
    line-height: 1.4;
    transition: color 0.3s;
}

/* Per-card hover title color matches accent */
.category-card:nth-child(1):hover h3 { color: #0f2b4c; }
.category-card:nth-child(2):hover h3 { color: #d97706; }
.category-card:nth-child(3):hover h3 { color: #16a34a; }
.category-card:nth-child(4):hover h3 { color: #0284c7; }
.category-card:nth-child(5):hover h3 { color: #7c3aed; }
.category-card:nth-child(6):hover h3 { color: #0891b2; }
.category-card:nth-child(7):hover h3 { color: #ea580c; }
.category-card:nth-child(8):hover h3 { color: #059669; }
.category-card:nth-child(9):hover h3 { color: #dc2626; }

.category-card p {
    font-size: 0.82rem;
    color: var(--text-lighter);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Hover effects */
.category-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 18px 48px rgba(0,0,0,0.12);
    border-color: transparent;
}
.category-card:hover::before { height: 5px; }

/* Icon scale on hover */
.category-card:hover .category-icon {
    transform: scale(1.1) rotate(5deg);
}

/* ============================================
   Business Scope
   ============================================ */
.scope-section {
    background: var(--bg-light);
    padding: 90px 0;
}
.scope-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px 20px; }
.scope-item {
    text-align: center;
    transition: var(--transition);
    padding: 0 0 12px;
}
.scope-img {
    width: 100%;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    border-radius: var(--radius);
    margin-bottom: 14px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}
.scope-item:hover .scope-img {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}
.scope-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}
.scope-item:hover .scope-img img {
    transform: scale(1.08);
}
.scope-item h4 {
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--text);
    transition: var(--transition);
}
.scope-item:hover h4 { color: var(--accent); }

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-block;
    padding: 12px 32px;
    font-size: 0.93rem;
    font-weight: 600;
    border: 2px solid transparent;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: var(--transition-bounce);
    text-align: center;
    letter-spacing: 0.01em;
    font-family: 'Inter', sans-serif;
    position: relative;
    overflow: hidden;
}
.btn-primary {
    background: var(--accent-gradient);
    color: #fff;
    border-color: transparent;
}
.btn-primary:hover {
    background: linear-gradient(135deg, #d97706, #b45309);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(217,119,6,0.3);
}
.btn-outline {
    background: transparent;
    color: var(--primary);
    border-color: var(--border);
}
.btn-outline:hover {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}
.btn-small { padding: 8px 20px; font-size: 0.83rem; border-radius: var(--radius-full); }
.btn-white {
    background: #fff;
    color: var(--primary);
    border-color: #fff;
}
.btn-white:hover {
    background: transparent;
    color: #fff;
    border-color: #fff;
    box-shadow: 0 8px 25px rgba(255,255,255,0.15);
}

/* ============================================
   Page Banner
   ============================================ */
.page-banner {
    background: url('../images/page-banner-about.jpg') center center / cover no-repeat;
    padding: 70px 0;
    color: #fff;
    text-align: center;
    position: relative;
}
.page-banner::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: linear-gradient(135deg, rgba(9,28,51,0.88), rgba(15,43,76,0.72));
}
.page-banner .container { position: relative; z-index: 1; }
.page-banner h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    font-weight: 700;
    letter-spacing: -0.02em;
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}
.breadcrumb { font-size: 0.9rem; opacity: 0.88; }
.breadcrumb a { color: rgba(255,255,255,0.8); transition: var(--transition); }
.breadcrumb a:hover { color: var(--accent); text-decoration: none; }
.breadcrumb span { margin: 0 8px; opacity: 0.5; }

/* ============================================
   Products Page Layout
   ============================================ */
.products-layout { display: grid; grid-template-columns: 270px 1fr; gap: 32px; }
.products-sidebar {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px;
    height: fit-content;
    position: sticky;
    top: 98px;
    box-shadow: var(--shadow-sm);
}
.products-sidebar h3 {
    font-size: 1.1rem;
    color: var(--primary);
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--primary);
    font-weight: 700;
}
.sidebar-categories { list-style: none; }
.sidebar-categories li { border-bottom: 1px solid var(--border-light); }
.sidebar-categories a {
    display: block;
    padding: 11px 0;
    color: var(--text);
    font-size: 0.92rem;
    transition: var(--transition);
    border-radius: var(--radius);
    padding-left: 8px;
}
.sidebar-categories a:hover,
.sidebar-categories a.active {
    color: var(--primary);
    background: rgba(26,60,109,0.04);
    padding-left: 14px;
    font-weight: 500;
}
.cat-toggle { display: flex; align-items: center; justify-content: space-between; }
.cat-toggle a { flex: 1; }
.toggle-icon {
    cursor: pointer;
    padding: 4px 8px;
    color: var(--text-lighter);
    font-size: 0.78rem;
    transition: transform 0.3s ease;
}
.sub-categories { list-style: none; padding-left: 16px; margin-top: 2px; margin-bottom: 4px; }
.sub-categories li { border-bottom: none; border-left: 2px solid #e2e6ea; margin-left: 8px; }
.sub-categories li:last-child { border-left: 2px solid transparent; }
.sub-categories a {
    padding: 8px 12px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}
.sub-categories a:hover,
.sub-categories a.active {
    color: var(--primary);
    padding-left: 16px;
    background: rgba(26,60,109,0.03);
}
.category-description {
    background: #f0f4f9;
    padding: 16px 22px;
    border-radius: var(--radius);
    margin-bottom: 26px;
    border-left: 4px solid var(--primary);
    font-size: 0.9rem;
    color: var(--text-secondary);
}
.products-grid-list { grid-template-columns: repeat(2, 1fr); }
.empty-state { text-align: center; padding: 60px 20px; color: var(--text-lighter); }
.empty-state i { font-size: 3rem; margin-bottom: 15px; }
.empty-state p { font-size: 1.1rem; }

/* ============================================
   Pagination
   ============================================ */
.pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 40px;
    flex-wrap: wrap;
}

.page-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 38px;
    height: 38px;
    padding: 0 10px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-size: 0.9rem;
    transition: var(--transition);
}

.page-link:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.page-link.active {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}

.page-dots {
    display: inline-flex;
    align-items: center;
    padding: 0 5px;
    color: var(--text-lighter);
}

/* ============================================
   Product Detail
   ============================================ */
.product-detail-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 55px; margin-bottom: 55px; }
.product-gallery { position: sticky; top: 98px; }
.gallery-main {
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 1 / 1;
    background: var(--bg-light);
}
.gallery-main img {
    width: 100%; height: 100%;
    object-fit: contain;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: zoom-in;
}
.gallery-main:hover img { transform: scale(1.5); }
.gallery-thumbs { display: flex; gap: 10px; margin-top: 14px; overflow-x: auto; }
.thumb {
    width: 80px; height: 80px;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    cursor: pointer;
    flex-shrink: 0;
    opacity: 0.5;
    transition: var(--transition);
}
.thumb:hover { opacity: 0.8; }
.thumb.active { border-color: var(--primary); opacity: 1; box-shadow: 0 4px 12px rgba(26,60,109,0.15); }
.thumb img { width: 100%; height: 100%; object-fit: cover; }
.product-info-detail h2 { font-size: 1.8rem; color: var(--primary); margin-bottom: 10px; font-weight: 700; }
.product-category-label { display: inline-block; color: var(--text-secondary); font-size: 0.9rem; margin-bottom: 20px; }
.product-category-label a { color: var(--accent); font-weight: 600; }
.product-description { margin-bottom: 26px; line-height: 1.85; }
.product-specifications { margin-bottom: 26px; }
.product-specifications h3 {
    font-size: 1.2rem;
    color: var(--primary);
    margin-bottom: 16px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--border-light);
    font-weight: 700;
}
.spec-table { width: 100%; border-collapse: collapse; }
.spec-table td {
    padding: 12px 14px;
    border-bottom: 1px solid var(--border-light);
    font-size: 0.93rem;
}
.spec-table tr:hover td { background: var(--bg-light); }
.spec-table td:first-child { width: 35%; color: var(--text-secondary); font-weight: 500; }
.product-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* Product Attribute 两列表格 */
.product-attribute-section { margin-top: 20px; margin-bottom: 44px; }
.product-attribute-section h3 {
    font-size: 1.2rem;
    color: var(--primary);
    margin-bottom: 16px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--border-light);
    font-weight: 700;
}
.attribute-table { width: 100%; border-collapse: collapse; }
.attribute-table td {
    padding: 12px 14px;
    border-bottom: 1px solid var(--border-light);
    font-size: 0.93rem;
    vertical-align: top;
}
.attribute-table tr:hover td { background: var(--bg-light); }
.attribute-table td:nth-child(odd) {
    width: 18%;
    color: var(--text-secondary);
    font-weight: 500;
    background: #f8f9fa;
}
.attribute-table td:nth-child(even) { width: 32%; }

.product-content { border-top: 1px solid var(--border); padding-top: 44px; }
.product-content h3 { font-size: 1.3rem; color: var(--primary); margin-bottom: 22px; font-weight: 700; }

/* ============================================
   Contact Page
   ============================================ */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 44px; }
.contact-info h3 { color: var(--primary); margin-bottom: 22px; font-size: 1.3rem; font-weight: 700; }
.contact-detail-item { display: flex; gap: 16px; margin-bottom: 22px; }
.contact-detail-item i {
    width: 44px; height: 44px;
    background: var(--primary);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 1.1rem;
}
.contact-detail-item h4 { margin-bottom: 4px; color: var(--text); font-weight: 600; }
.contact-detail-item p { color: var(--text-secondary); font-size: 0.9rem; }
.contact-form {
    background: var(--bg-light);
    padding: 35px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
}

/* ============================================
   Content Body (Rich Text)
   ============================================ */
.content-body {
    line-height: 1.9;
    font-size: 1.02rem;
}

.content-body h2,
.content-body h3,
.content-body h4 {
    color: var(--primary);
    margin: 25px 0 15px;
}

.content-body p {
    margin-bottom: 15px;
}

.content-body ul,
.content-body ol {
    margin-bottom: 15px;
    padding-left: 20px;
}

.content-body img {
    border-radius: var(--radius);
    margin: 15px 0;
}

.content-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 15px 0;
}

.content-body table td,
.content-body table th {
    border: 1px solid var(--border);
    padding: 10px 12px;
}

.content-body table th {
    background: var(--bg-light);
    font-weight: 600;
}

/* ============================================
   Related Products
   ============================================ */
.related-products {
    background: var(--bg-light);
}

/* ============================================
   News Page
   ============================================ */
.news-filter {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 35px;
    flex-wrap: wrap;
}

.news-filter a {
    padding: 8px 24px;
    border: 2px solid var(--border);
    border-radius: 30px;
    color: var(--text);
    font-weight: 500;
    transition: var(--transition);
}

.news-filter a:hover,
.news-filter a.active {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.news-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
}

.news-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-3px);
}

.news-image {
    position: relative;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: var(--bg-light);
}

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

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

.news-type {
    position: absolute;
    top: 12px;
    left: 12px;
    background: var(--accent);
    color: #fff;
    padding: 3px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.news-info {
    padding: 18px;
}

.news-date {
    font-size: 0.82rem;
    color: var(--text-lighter);
    display: block;
    margin-bottom: 8px;
}

.news-info h3 {
    font-size: 1.05rem;
    margin-bottom: 8px;
}

.news-info h3 a {
    color: var(--text);
}

.news-info h3 a:hover {
    color: var(--primary);
}

.news-info p {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 12px;
}

/* News Detail */
.news-detail-layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 40px;
}

.news-article-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: 20px;
}

.news-article-image img {
    width: 100%;
}

.news-article-meta {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-light);
    color: var(--text-light);
    font-size: 0.9rem;
}

.news-type-badge {
    background: var(--primary);
    color: #fff;
    padding: 2px 12px;
    border-radius: 20px;
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
}

.news-navigation {
    display: flex;
    justify-content: space-between;
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
    gap: 20px;
}

.news-nav-link {
    flex: 1;
    padding: 15px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: var(--transition);
}

.news-nav-link:hover {
    border-color: var(--primary);
}

.news-nav-link span {
    display: block;
    font-size: 0.82rem;
    color: var(--text-lighter);
    margin-bottom: 5px;
}

.news-nav-link strong {
    color: var(--text);
    font-size: 0.93rem;
}

.news-nav-link.next {
    text-align: right;
}

/* News Sidebar */
.news-sidebar {
    position: sticky;
    top: 95px;
}

.sidebar-widget {
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    padding: 20px;
    margin-bottom: 25px;
}

.sidebar-widget h4 {
    color: var(--primary);
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--primary);
}

.sidebar-widget ul {
    list-style: none;
}

.sidebar-widget ul li {
    border-bottom: 1px solid var(--border-light);
}

.sidebar-widget ul li a {
    display: block;
    padding: 8px 0;
    color: var(--text);
    font-size: 0.9rem;
}

.sidebar-widget ul li a:hover {
    color: var(--primary);
}

.recent-news small {
    display: block;
    color: var(--text-lighter);
    font-size: 0.78rem;
    margin-top: 3px;
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--bg-footer);
    color: #94a3b8;
    padding-top: 70px;
    position: relative;
}
.footer::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: var(--accent-gradient);
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.3fr 1fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 48px;
}
.footer-col h4 {
    color: #f1f5f9;
    font-size: 1.05rem;
    margin-bottom: 24px;
    position: relative;
    padding-bottom: 14px;
    font-weight: 600;
    letter-spacing: -0.01em;
}
.footer-col h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 32px;
    height: 3px;
    background: var(--accent);
    border-radius: 3px;
}
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul li a {
    color: #64748b;
    font-size: 0.88rem;
    transition: var(--transition);
    position: relative;
    padding-left: 16px;
    display: inline-block;
}
.footer-col ul li a::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 5px; height: 5px;
    border-radius: 50%;
    background: var(--accent);
    opacity: 0.5;
    transition: var(--transition);
}
.footer-col ul li a:hover {
    color: #f1f5f9;
    padding-left: 20px;
}
.footer-col ul li a:hover::before { opacity: 1; }
.footer-contact p { margin-bottom: 10px; font-size: 0.88rem; line-height: 1.8; color: #64748b; }
.footer-contact i { margin-right: 10px; color: var(--accent); width: 14px; text-align: center; font-size: 0.8rem; }
.footer-social { margin-top: 24px; }
.footer-social span { display: block; margin-bottom: 12px; font-size: 0.85rem; color: #94a3b8; font-weight: 500; }
.footer-social-links { display: flex; gap: 10px; }
.footer-social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px; height: 36px;
    background: rgba(255,255,255,0.06);
    border-radius: 50%;
    color: #94a3b8;
    font-size: 0.85rem;
    transition: var(--transition-bounce);
    border: 1px solid rgba(255,255,255,0.05);
}
.footer-social-links a:hover { 
    background: var(--accent);
    color: #fff;
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(217,119,6,0.3);
    border-color: var(--accent);
}
.footer-links {
    background: rgba(0,0,0,0.2);
    padding: 20px 0;
    border-top: 1px solid rgba(255,255,255,0.05);
}
.footer-links h5 { color: #64748b; margin-bottom: 12px; font-size: 0.82rem; font-weight: 500; }
.friend-links-list { display: flex; flex-wrap: wrap; gap: 14px; }
.friend-links-list a { color: #475569; font-size: 0.8rem; display: flex; align-items: center; gap: 4px; transition: var(--transition); }
.friend-links-list a:hover { color: var(--accent); }
.friendly-links-divider { color: #334155; }
.footer-bottom {
    background: rgba(0,0,0,0.3);
    padding: 18px 0;
    text-align: center;
    font-size: 0.82rem;
    color: #475569;
}

/* ============================================
   Floating Widgets
   ============================================ */
.back-to-top {
    position: fixed;
    bottom: 30px; right: 30px;
    width: 44px; height: 44px;
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: 50%;
    font-size: 1rem;
    cursor: pointer;
    z-index: 997;
    opacity: 0; visibility: hidden;
    transition: var(--transition);
    box-shadow: 0 4px 16px rgba(0,0,0,0.18);
}
.back-to-top.visible { opacity: 1; visibility: visible; }
.back-to-top:hover { background: var(--accent); transform: translateY(-3px); }

/* Floating Contact & Social - Right Center */
.floating-contact {
    position: fixed;
    top: 50%; right: 22px;
    transform: translateY(-50%);
    z-index: 998;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.fc-btn {
    width: 48px; height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.15rem;
    box-shadow: 0 4px 16px rgba(0,0,0,0.18);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
    position: relative;
}
.fc-btn:hover {
    transform: scale(1.12) translateX(-4px);
    box-shadow: 0 6px 24px rgba(0,0,0,0.25);
}

/* Contact buttons */
.fc-phone { background: linear-gradient(135deg, #d97706, #b45309); }
.fc-email { background: linear-gradient(135deg, #0f2b4c, #1a4a80); }
.fc-whatsapp { background: linear-gradient(135deg, #25D366, #128C7E); }

/* Social media buttons */
.fc-facebook { background: linear-gradient(135deg, #1877F2, #0d5ecf); }
.fc-twitter { background: linear-gradient(135deg, #000000, #333333); }
.fc-instagram { background: linear-gradient(135deg, #e1306c, #C13584, #405DE6); background-size: 200% 100%; }
.fc-instagram:hover { animation: instaGradient 1.5s ease infinite alternate; }
@keyframes instaGradient {
    0% { background-position: 0% 50%; }
    100% { background-position: 100% 50%; }
}
.fc-tiktok { background: linear-gradient(135deg, #000000, #25F4EE, #FE2C55); }

/* Tooltip on hover */
.fc-btn::before {
    content: attr(title);
    position: absolute;
    right: 58px;
    top: 50%;
    transform: translateY(-50%);
    white-space: nowrap;
    background: rgba(26,38,69,0.92);
    color: #fff;
    padding: 6px 14px;
    border-radius: 6px;
    font-size: 0.78rem;
    font-family: 'Inter', sans-serif;
    opacity: 0;
    visibility: hidden;
    transition: all 0.25s ease;
    pointer-events: none;
    box-shadow: 0 3px 12px rgba(0,0,0,0.15);
}
.fc-btn:hover::before {
    opacity: 1;
    visibility: visible;
    transform: translateY(-50%) translateX(-4px);
}

/* ============================================
   Inquiry Modal
   ============================================ */
.inquiry-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.55);
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}
.inquiry-overlay.active { opacity: 1; visibility: visible; }

.inquiry-modal {
    position: fixed;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    width: 90%;
    max-width: 560px;
    max-height: 90vh;
    overflow-y: auto;
    background: #fff;
    border-radius: var(--radius-lg);
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 25px 80px rgba(0,0,0,0.25);
}
.inquiry-modal.active {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, -50%) scale(1);
}

.inquiry-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 28px;
    background: linear-gradient(135deg, #0f2b4c, #1a4a80);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}
.inquiry-modal-header h3 {
    color: #fff;
    font-size: 1.15rem;
    font-weight: 600;
    margin: 0;
}
.inquiry-modal-header h3 i { margin-right: 8px; }
.inquiry-close {
    background: rgba(255,255,255,0.15);
    border: none;
    color: #fff;
    width: 34px; height: 34px;
    border-radius: 50%;
    font-size: 1.4rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
    line-height: 1;
}
.inquiry-close:hover { background: rgba(255,255,255,0.3); }

.inquiry-modal-body {
    padding: 24px 28px 28px;
}
.inquiry-product-name {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
    padding: 10px 14px;
    background: var(--bg-light);
    border-radius: var(--radius);
    border-left: 3px solid var(--accent);
}

.inquiry-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    margin-bottom: 14px;
}
.inquiry-field {
    display: flex;
    flex-direction: column;
}
.inquiry-field label {
    font-size: 0.84rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 5px;
}
.inquiry-field .required { color: var(--accent); }
.inquiry-field input,
.inquiry-field textarea {
    padding: 11px 14px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-family: 'Inter', sans-serif;
    transition: var(--transition);
    outline: none;
    background: #fff;
}
.inquiry-field input:focus,
.inquiry-field textarea:focus {
    border-color: var(--primary-light);
    box-shadow: 0 0 0 3px rgba(15,43,76,0.08);
}
.inquiry-field input:hover,
.inquiry-field textarea:hover { border-color: var(--text-lighter); }
.inquiry-field textarea { resize: vertical; min-height: 100px; }

.inquiry-message {
    padding: 12px 16px;
    border-radius: var(--radius);
    margin: 14px 0;
    font-size: 0.88rem;
    font-weight: 500;
}
.inquiry-success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}
.inquiry-error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

#inquirySubmitBtn {
    width: 100%;
    padding: 13px;
    font-size: 1rem;
    border-radius: var(--radius);
}

@media (max-width: 600px) {
    .inquiry-row { grid-template-columns: 1fr; }
    .inquiry-modal { width: 95%; max-width: 95%; }
    .inquiry-modal-body { padding: 18px 16px 22px; }
    .inquiry-modal-header { padding: 16px 20px; }
}

/* ============================================
   Content Section (Generic)
   ============================================ */
.content-section {
    padding: 50px 0;
}

.content-section .content-body {
    max-width: 900px;
    margin: 0 auto;
}

/* ============================================
   Contact Page
   ============================================ */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.contact-info h3 {
    color: var(--primary);
    margin-bottom: 20px;
    font-size: 1.3rem;
}

.contact-detail-item {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
}

.contact-detail-item i {
    width: 40px;
    height: 40px;
    background: var(--primary);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-detail-item h4 {
    margin-bottom: 3px;
    color: var(--text);
}

.contact-detail-item p {
    color: var(--text-light);
    font-size: 0.9rem;
}

.contact-form {
    background: var(--bg-light);
    padding: 30px;
    border-radius: var(--radius-lg);
}

.form-group { margin-bottom: 20px; }
.form-group label {
    display: block;
    margin-bottom: 7px;
    font-weight: 600;
    color: var(--text);
    font-size: 0.88rem;
}
.form-control {
    width: 100%;
    padding: 12px 16px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.93rem;
    font-family: inherit;
    transition: var(--transition);
    background: #fff;
    outline: none;
}
.form-control:focus {
    border-color: var(--primary-light);
    box-shadow: 0 0 0 3px rgba(15,43,76,0.08), 0 0 0 1px rgba(15,43,76,0.1);
}
.form-control:hover { border-color: var(--text-lighter); }
textarea.form-control { min-height: 130px; resize: vertical; }

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 1024px) {
    .products-grid { grid-template-columns: repeat(2, 1fr); }
    .categories-grid { grid-template-columns: repeat(3, 1fr); }
    .scope-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
    .products-layout { grid-template-columns: 220px 1fr; }
    .products-grid-list { grid-template-columns: repeat(2, 1fr); }
    .news-grid { grid-template-columns: repeat(2, 1fr); }
    .news-detail-layout { grid-template-columns: 1fr 260px; }
}

@media (max-width: 768px) {
    .header-top { display: none; }
    .nav { display: none; }
    .header-search { display: none; }
    .mobile-toggle { display: flex; }
    .mobile-menu { display: block; }

    .hero-banner { padding-bottom: 0; }
    .banner-content h1 { font-size: 2rem; }
    .banner-content p { font-size: 1rem; }

    section { padding: 50px 0; }
    .section-header h2 { font-size: 1.6rem; }

    .about-grid { grid-template-columns: 1fr; }
    .products-grid { grid-template-columns: repeat(2, 1fr); }
    .categories-grid { grid-template-columns: repeat(2, 1fr); }
    .scope-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }

    .products-layout { grid-template-columns: 1fr; }
    .products-sidebar { position: static; margin-bottom: 20px; }
    .products-grid-list { grid-template-columns: repeat(2, 1fr); }

    .product-detail-layout { grid-template-columns: 1fr; gap: 30px; }
    .product-gallery { position: static; }

    .contact-grid { grid-template-columns: 1fr; }
    .news-grid { grid-template-columns: 1fr; }
    .news-detail-layout { grid-template-columns: 1fr; }
    .news-sidebar { position: static; }
    .news-navigation { flex-direction: column; }
}

@media (max-width: 480px) {
    .products-grid { grid-template-columns: 1fr; }
    .categories-grid { grid-template-columns: 1fr; }
    .scope-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .products-grid-list { grid-template-columns: 1fr; }
    .hero-banner { padding-bottom: 0; }
    .banner-content h1 { font-size: 1.5rem; }
    .banner-arrow { width: 36px; height: 36px; font-size: 0.9rem; }
}

/* ============================================
   Page Load Animation
   ============================================ */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: translateY(0); }
}
.about-section .about-grid,
.products-grid .product-card,
.categories-grid .category-card,
.scope-grid .scope-item {
    animation: fadeInUp 0.6s ease forwards;
}
.products-grid .product-card:nth-child(1) { animation-delay: 0.05s; }
.products-grid .product-card:nth-child(2) { animation-delay: 0.12s; }
.products-grid .product-card:nth-child(3) { animation-delay: 0.19s; }
.products-grid .product-card:nth-child(4) { animation-delay: 0.26s; }
.products-grid .product-card:nth-child(5) { animation-delay: 0.33s; }
.products-grid .product-card:nth-child(6) { animation-delay: 0.40s; }

.categories-grid .category-card:nth-child(1) { animation-delay: 0.05s; }
.categories-grid .category-card:nth-child(2) { animation-delay: 0.10s; }
.categories-grid .category-card:nth-child(3) { animation-delay: 0.15s; }
.categories-grid .category-card:nth-child(4) { animation-delay: 0.20s; }
.categories-grid .category-card:nth-child(5) { animation-delay: 0.25s; }
.categories-grid .category-card:nth-child(6) { animation-delay: 0.30s; }
.categories-grid .category-card:nth-child(7) { animation-delay: 0.35s; }
.categories-grid .category-card:nth-child(8) { animation-delay: 0.40s; }

.scope-grid .scope-item:nth-child(1) { animation-delay: 0.05s; }
.scope-grid .scope-item:nth-child(2) { animation-delay: 0.10s; }
.scope-grid .scope-item:nth-child(3) { animation-delay: 0.15s; }
.scope-grid .scope-item:nth-child(4) { animation-delay: 0.20s; }
.scope-grid .scope-item:nth-child(5) { animation-delay: 0.25s; }
.scope-grid .scope-item:nth-child(6) { animation-delay: 0.30s; }
.scope-grid .scope-item:nth-child(7) { animation-delay: 0.35s; }
.scope-grid .scope-item:nth-child(8) { animation-delay: 0.40s; }

/* ============================================
   Image Loading Placeholder
   ============================================ */
img[loading="lazy"] {
    background: linear-gradient(110deg, #f1f5f9 30%, #e8ecf1 50%, #f1f5f9 70%);
    background-size: 200% 100%;
    animation: shimmer 1.5s ease-in-out infinite;
}
@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}
img[loading="lazy"]:not([src]),
img[loading="lazy"][src=""] {
    min-height: 180px;
}

/* ============================================
   Product Detail Page Enhancements
   ============================================ */
.attribute-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    font-size: 0.88rem;
}
.attribute-table td {
    padding: 10px 16px;
    border-bottom: 1px solid var(--border-light);
}
.attribute-table td:nth-child(odd) {
    background: var(--bg-light);
    font-weight: 600;
    color: var(--primary);
    width: 180px;
}
.attribute-table td:nth-child(even) {
    background: #fff;
    color: var(--text-secondary);
}
.attribute-table tr:last-child td { border-bottom: none; }

/* ============================================
   News / Blog Card Enhancements
   ============================================ */
.news-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition-slow);
    box-shadow: var(--shadow-xs);
}
.news-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary-light);
}
.news-card-img {
    overflow: hidden;
    position: relative;
}
.news-card-img img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform 0.5s ease;
}
.news-card:hover .news-card-img img { transform: scale(1.06); }
.news-card-body {
    padding: 20px;
}
.news-card-body h3 {
    font-size: 1.05rem;
    margin-bottom: 8px;
    color: var(--text);
    line-height: 1.4;
}
.news-card-body h3 a { color: inherit; }
.news-card-body h3 a:hover { color: var(--accent); }
.news-card-body .news-date {
    font-size: 0.8rem;
    color: var(--text-lighter);
    margin-bottom: 10px;
}
.news-card-body .news-date i { margin-right: 4px; }
.news-card-body p {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ============================================
   Pagination
   ============================================ */
.pagination {
    display: flex;
    justify-content: center;
    gap: 6px;
    margin-top: 40px;
}
.pagination a,
.pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 38px;
    height: 38px;
    padding: 0 10px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition);
    background: #fff;
}
.pagination a:hover { 
    background: var(--primary-surface);
    color: var(--primary);
    border-color: var(--primary-light);
}
.pagination .current {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

/* ============================================
   Smooth Scroll Offset for Sticky Header
   ============================================ */
html {
    scroll-padding-top: 100px;
}

/* ============================================
   About Page - Custom Design
   ============================================ */

/* ── About Hero ── */
.about-hero {
    position: relative;
    padding: 140px 0 120px;
    color: #fff;
    text-align: center;
    overflow: hidden;
}
.about-hero-bg {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: 0;
}
.about-hero-overlay {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: linear-gradient(150deg, rgba(9,28,51,0.92), rgba(15,43,76,0.65), rgba(9,28,51,0.85));
    z-index: 1;
}
.about-hero-inner {
    position: relative;
    z-index: 2;
}
.about-hero-inner h1 {
    font-size: 3.2rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 16px;
    text-shadow: 0 2px 20px rgba(0,0,0,0.3);
    animation: fadeInUp 0.8s ease forwards;
}
.about-hero-sub {
    font-size: 1.2rem;
    color: rgba(255,255,255,0.75);
    max-width: 620px;
    margin: 0 auto;
    line-height: 1.7;
    animation: fadeInUp 0.8s 0.15s ease forwards;
    opacity: 0;
    animation-fill-mode: forwards;
}

/* ── Stats Counter ── */
.about-stats {
    padding: 0;
    margin-top: -50px;
    position: relative;
    z-index: 3;
}
.about-stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
}
.about-stat-item {
    padding: 40px 20px 36px;
    text-align: center;
    position: relative;
    transition: var(--transition);
    border-right: 1px solid var(--border-light);
}
.about-stat-item:last-child {
    border-right: none;
}
.about-stat-item:hover {
    background: var(--bg-light);
}
.about-stat-icon {
    width: 56px; height: 56px;
    margin: 0 auto 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-surface), #dde6f2);
}
.about-stat-icon svg {
    width: 28px; height: 28px;
    color: var(--primary);
}
.about-stat-num {
    font-size: 2.6rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1.1;
    letter-spacing: -0.03em;
    font-family: 'Poppins', sans-serif;
}
.about-stat-num span {
    display: inline-block;
}
.about-stat-label {
    font-size: 0.88rem;
    color: var(--text-light);
    margin-top: 6px;
    font-weight: 500;
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

/* ── About Company ── */
.about-company {
    padding: 100px 0;
    background: var(--bg);
}
.about-company-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 72px;
    align-items: center;
}
.about-company-image {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}
.about-company-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.6s ease;
}
.about-company-image:hover img {
    transform: scale(1.04);
}
.about-company-experience {
    position: absolute;
    bottom: 24px;
    right: 24px;
    background: var(--primary);
    color: #fff;
    padding: 16px 24px;
    border-radius: var(--radius);
    text-align: center;
    box-shadow: 0 8px 32px rgba(15,43,76,0.35);
}
.about-exp-num {
    display: block;
    font-size: 1.8rem;
    font-weight: 800;
    line-height: 1;
    font-family: 'Poppins', sans-serif;
    letter-spacing: -0.02em;
}
.about-exp-text {
    display: block;
    font-size: 0.75rem;
    font-weight: 500;
    opacity: 0.8;
    margin-top: 4px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.section-tag {
    display: inline-block;
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--accent);
    background: var(--accent-light);
    padding: 6px 16px;
    border-radius: var(--radius-full);
    margin-bottom: 16px;
}
.about-company-text h2 {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 20px;
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.3;
}
.about-desc {
    color: var(--text-secondary);
    font-size: 1.02rem;
    line-height: 1.85;
    margin-bottom: 16px;
}
.about-highlights {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-top: 28px;
}
.about-highlight-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text);
    padding: 10px 14px;
    background: var(--bg-light);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-light);
    transition: var(--transition);
}
.about-highlight-item svg {
    width: 18px; height: 18px;
    color: var(--success);
    flex-shrink: 0;
}
.about-highlight-item:hover {
    border-color: var(--primary-light);
    background: #fff;
    box-shadow: var(--shadow-sm);
}

/* ── Why Choose Us ── */
.about-why {
    padding: 100px 0;
    background: var(--bg-light);
}
.about-why-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}
.about-why-card {
    background: #fff;
    padding: 36px 28px 28px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    transition: var(--transition-slow);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-xs);
}
.about-why-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: var(--card-accent, var(--accent));
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}
.about-why-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
    border-color: transparent;
}
.about-why-icon {
    width: 60px; height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius);
    margin-bottom: 20px;
    background: color-mix(in srgb, var(--card-accent, var(--accent)) 10%, #fff 90%);
    transition: var(--transition-bounce);
}
.about-why-card:hover .about-why-icon {
    transform: scale(1.1);
    background: color-mix(in srgb, var(--card-accent, var(--accent)) 15%, #fff 85%);
}
.about-why-icon svg {
    width: 30px; height: 30px;
    color: var(--card-accent, var(--accent));
}
.about-why-card h3 {
    font-size: 1.1rem;
    color: var(--text);
    margin-bottom: 10px;
    font-weight: 700;
    letter-spacing: -0.01em;
}
.about-why-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ── Certifications ── */
.about-certs {
    padding: 100px 0;
    background: var(--bg);
}
.about-certs-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
    margin-top: 10px;
}
.about-cert-badge {
    display: flex;
    align-items: center;
    gap: 10px;
    background: #fff;
    border: 1px solid var(--border);
    padding: 14px 24px;
    border-radius: var(--radius-full);
    font-weight: 600;
    color: var(--primary);
    font-size: 0.92rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-bounce);
}
.about-cert-badge svg {
    width: 22px; height: 22px;
    color: var(--accent);
    flex-shrink: 0;
}
.about-cert-badge:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--accent);
}
.about-standards-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin-top: 30px;
}
.about-std-tag {
    display: inline-block;
    background: var(--primary-surface);
    color: var(--primary);
    padding: 8px 20px;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    border: 1px solid var(--border);
    transition: var(--transition-bounce);
}
.about-std-tag:hover {
    background: var(--primary);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

/* ── CTA Section ── */
.about-cta {
    padding: 0;
    background: var(--bg);
}
.about-cta-inner {
    background: linear-gradient(135deg, var(--primary-dark), #122e4a, var(--primary));
    padding: 70px 60px;
    border-radius: var(--radius-xl);
    text-align: center;
    color: #fff;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}
.about-cta-inner::before {
    content: '';
    position: absolute;
    top: -50%; right: -20%;
    width: 400px; height: 400px;
    border-radius: 50%;
    background: rgba(217,119,6,0.08);
    pointer-events: none;
}
.about-cta-inner::after {
    content: '';
    position: absolute;
    bottom: -30%; left: -15%;
    width: 300px; height: 300px;
    border-radius: 50%;
    background: rgba(217,119,6,0.05);
    pointer-events: none;
}
.about-cta-inner h2 {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 14px;
    position: relative;
    z-index: 1;
    letter-spacing: -0.02em;
}
.about-cta-inner p {
    font-size: 1.08rem;
    color: rgba(255,255,255,0.7);
    margin-bottom: 32px;
    position: relative;
    z-index: 1;
}
.about-cta-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
}
.about-cta-actions .btn-primary {
    background: var(--accent-gradient);
    color: #fff;
    border: none;
    padding: 14px 36px;
    font-size: 1rem;
}
.about-cta-actions .btn-primary:hover {
    box-shadow: 0 8px 30px rgba(217,119,6,0.4);
    transform: translateY(-3px);
}
.btn-outline-light {
    display: inline-block;
    padding: 14px 36px;
    font-size: 1rem;
    font-weight: 600;
    border: 2px solid rgba(255,255,255,0.25);
    border-radius: var(--radius-full);
    color: #fff;
    transition: var(--transition-bounce);
    text-align: center;
    letter-spacing: 0.01em;
    font-family: 'Inter', sans-serif;
    background: transparent;
}
.btn-outline-light:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.5);
    transform: translateY(-3px);
    color: #fff;
}

/* ── Section Header Shared ── */
.text-center { text-align: center; }
.section-sub {
    color: var(--text-secondary);
    font-size: 1.02rem;
    max-width: 560px;
    margin: 8px auto 0;
    line-height: 1.6;
}

/* ── About Responsive ── */
@media (max-width: 1024px) {
    .about-company-grid { gap: 40px; }
    .about-why-grid { grid-template-columns: repeat(2, 1fr); }
    .about-company-text h2 { font-size: 1.6rem; }
}

@media (max-width: 768px) {
    .about-hero { padding: 100px 0 80px; }
    .about-hero-inner h1 { font-size: 2rem; }
    .about-hero-sub { font-size: 1rem; }
    .about-stats { margin-top: -35px; }
    .about-stats-grid { grid-template-columns: repeat(2, 1fr); }
    .about-stat-item:nth-child(2) { border-right: none; }
    .about-stat-num { font-size: 2rem; }
    .about-company { padding: 60px 0; }
    .about-company-grid { grid-template-columns: 1fr; gap: 40px; }
    .about-highlights { grid-template-columns: 1fr; }
    .about-why { padding: 60px 0; }
    .about-why-grid { grid-template-columns: 1fr; gap: 20px; }
    .about-certs { padding: 60px 0; }
    .about-certs-list { gap: 10px; }
    .about-cert-badge { padding: 10px 18px; font-size: 0.85rem; }
    .about-cta-inner { padding: 50px 28px; }
    .about-cta-inner h2 { font-size: 1.6rem; }
    .about-cta-actions .btn-primary,
    .btn-outline-light { padding: 12px 28px; font-size: 0.92rem; }
}

@media (max-width: 480px) {
    .about-stats-grid { grid-template-columns: 1fr; }
    .about-stat-item { border-right: none; border-bottom: 1px solid var(--border-light); }
    .about-stat-item:last-child { border-bottom: none; }
}

/* ============================================
   Service Page - Custom Design
   ============================================ */

/* ── Service Hero ── */
.service-hero {
    position: relative;
    padding: 140px 0 110px;
    color: #fff;
    text-align: center;
    overflow: hidden;
}
.service-hero-bg {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background-size: cover;
    background-position: center;
    z-index: 0;
}
.service-hero-overlay {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: linear-gradient(150deg, rgba(9,28,51,0.93), rgba(15,43,76,0.6), rgba(9,28,51,0.88));
    z-index: 1;
}
.service-hero-inner {
    position: relative;
    z-index: 2;
}
.service-hero-inner h1 {
    font-size: 3.2rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 16px;
    text-shadow: 0 2px 20px rgba(0,0,0,0.3);
    animation: fadeInUp 0.8s ease forwards;
}
.service-hero-sub {
    font-size: 1.15rem;
    color: rgba(255,255,255,0.72);
    max-width: 650px;
    margin: 0 auto;
    line-height: 1.7;
    animation: fadeInUp 0.8s 0.15s ease forwards;
    opacity: 0;
    animation-fill-mode: forwards;
}

/* ── Service Overview ── */
.service-overview {
    padding: 90px 0 40px;
    background: var(--bg);
}
.service-overview-content {
    max-width: 800px;
    margin: 30px auto 0;
    color: var(--text-secondary);
    font-size: 1.02rem;
    line-height: 1.85;
    text-align: center;
}

/* ── Service Cards ── */
.service-cards {
    padding: 80px 0;
    background: var(--bg-light);
}
.service-cards-grid {
    display: flex;
    flex-direction: column;
    gap: 32px;
}
.service-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    background: #fff;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-slow);
}
.service-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
}
.service-card-reverse .service-card-image {
    order: 2;
}
.service-card-reverse .service-card-body {
    order: 1;
}
.service-card-image {
    position: relative;
    overflow: hidden;
    min-height: 300px;
}
.service-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
    display: block;
}
.service-card:hover .service-card-image img {
    transform: scale(1.06);
}
.service-card-number {
    position: absolute;
    top: 20px;
    left: 20px;
    background: rgba(255,255,255,0.95);
    color: var(--primary);
    width: 44px; height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-weight: 800;
    font-size: 1.1rem;
    font-family: 'Poppins', sans-serif;
    box-shadow: var(--shadow-sm);
}
.service-card-body {
    padding: 40px 36px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.service-card-icon {
    width: 52px; height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius);
    margin-bottom: 18px;
    background: color-mix(in srgb, var(--svc-accent, var(--accent)) 12%, #fff 88%);
    transition: var(--transition-bounce);
}
.service-card:hover .service-card-icon {
    transform: scale(1.1);
}
.service-card-icon svg {
    width: 26px; height: 26px;
    color: var(--svc-accent, var(--accent));
}
.service-card-body h3 {
    font-size: 1.25rem;
    color: var(--text);
    margin-bottom: 12px;
    font-weight: 700;
    letter-spacing: -0.01em;
}
.service-card-body p {
    font-size: 0.92rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 18px;
}
.service-card-features {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}
.service-card-features li {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    padding: 8px 12px;
    background: var(--bg-light);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}
.service-card-features li::before {
    content: '';
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--svc-accent, var(--accent));
    flex-shrink: 0;
}
.service-card-features li:hover {
    background: color-mix(in srgb, var(--svc-accent, var(--accent)) 8%, #fff 92%);
}

/* ── Service Process Timeline ── */
.service-process {
    padding: 90px 0 70px;
    background: var(--bg);
}
.service-process-timeline {
    display: flex;
    gap: 20px;
    margin-top: 40px;
    position: relative;
}
.service-process-timeline::before {
    content: '';
    position: absolute;
    top: 24px;
    left: calc(10% + 24px);
    right: calc(10% + 24px);
    height: 2px;
    background: linear-gradient(90deg, var(--border), var(--accent), var(--border));
    z-index: 1;
}
.process-step {
    flex: 1;
    text-align: center;
    position: relative;
    z-index: 2;
}
.process-step-dot {
    width: 48px; height: 48px;
    margin: 0 auto 16px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 16px rgba(15,43,76,0.2);
    position: relative;
    z-index: 3;
    transition: var(--transition-bounce);
}
.process-step-dot span {
    color: #fff;
    font-weight: 700;
    font-size: 1.05rem;
    font-family: 'Poppins', sans-serif;
}
.process-step:hover .process-step-dot {
    transform: scale(1.15);
    box-shadow: 0 6px 24px rgba(15,43,76,0.35);
}
.process-step-card {
    background: #fff;
    padding: 24px 18px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
    transition: var(--transition);
}
.process-step-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--primary-light);
}
.process-step-icon {
    width: 44px; height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    margin: 0 auto 12px;
    background: var(--primary-surface);
}
.process-step-icon svg {
    width: 22px; height: 22px;
    color: var(--primary);
}
.process-step-card h3 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 6px;
}
.process-step-card p {
    font-size: 0.82rem;
    color: var(--text-secondary);
    line-height: 1.55;
}

/* ── Service CTA ── */
.service-cta {
    padding: 0 0 80px;
    background: var(--bg);
}
.service-cta-inner {
    background: linear-gradient(135deg, var(--primary-dark), #0f2840, var(--primary));
    padding: 70px 60px;
    border-radius: var(--radius-xl);
    text-align: center;
    color: #fff;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}
.service-cta-inner::before {
    content: '';
    position: absolute;
    top: -40%; right: -15%;
    width: 350px; height: 350px;
    border-radius: 50%;
    background: rgba(217,119,6,0.1);
    pointer-events: none;
}
.service-cta-inner::after {
    content: '';
    position: absolute;
    bottom: -35%; left: -10%;
    width: 280px; height: 280px;
    border-radius: 50%;
    background: rgba(217,119,6,0.06);
    pointer-events: none;
}
.service-cta-inner h2 {
    font-size: 2.1rem;
    font-weight: 700;
    margin-bottom: 14px;
    position: relative;
    z-index: 1;
    letter-spacing: -0.02em;
}
.service-cta-inner p {
    font-size: 1.05rem;
    color: rgba(255,255,255,0.68);
    margin-bottom: 32px;
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 1;
}
.service-cta-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
}
.service-cta-actions .btn-primary {
    background: var(--accent-gradient);
    color: #fff;
    border: none;
    padding: 14px 36px;
    font-size: 1rem;
    box-shadow: 0 4px 16px rgba(217,119,6,0.3);
}
.service-cta-actions .btn-primary:hover {
    box-shadow: 0 8px 30px rgba(217,119,6,0.45);
    transform: translateY(-3px);
}
.service-cta-actions .btn-outline-light {
    display: inline-block;
    padding: 14px 36px;
    font-size: 1rem;
    font-weight: 600;
    border: 2px solid rgba(255,255,255,0.25);
    border-radius: var(--radius-full);
    color: #fff;
    transition: var(--transition-bounce);
    text-align: center;
    letter-spacing: 0.01em;
    font-family: 'Inter', sans-serif;
    background: transparent;
}
.service-cta-actions .btn-outline-light:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.5);
    transform: translateY(-3px);
    color: #fff;
}

/* ── Service Responsive ── */
@media (max-width: 1024px) {
    .service-card { grid-template-columns: 1fr; }
    .service-card-reverse .service-card-image { order: -1; }
    .service-card-image { min-height: 220px; }
    .service-card-body { padding: 30px 24px; }
    .service-process-timeline { flex-wrap: nowrap; gap: 10px; }
    .service-process-timeline::before { display: none; }
}

@media (max-width: 768px) {
    .service-hero { padding: 100px 0 80px; }
    .service-hero-inner h1 { font-size: 2rem; }
    .service-hero-sub { font-size: 1rem; }
    .service-overview { padding: 50px 0 30px; }
    .service-cards { padding: 50px 0; }
    .service-card-features { grid-template-columns: 1fr; }
    .service-process { padding: 50px 0 40px; }
    .service-process-timeline {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 16px;
    }
    .service-cta { padding: 0 0 50px; }
    .service-cta-inner { padding: 50px 28px; }
    .service-cta-inner h2 { font-size: 1.5rem; }
}

@media (max-width: 480px) {
    .service-hero-inner h1 { font-size: 1.7rem; }
    .service-process-timeline {
        grid-template-columns: 1fr 1fr;
    }
    .service-card-body { padding: 24px 18px; }
    .service-cta-inner { padding: 40px 20px; }
}