/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* 统一色彩方案 */
    --primary-color: #1e40af;
    --primary-light: #3b82f6;
    --primary-dark: #1e3a8a;
    --secondary-color: #059669;
    --secondary-light: #10b981;
    --accent-color: #f59e0b;
    --accent-light: #fbbf24;
    --danger-color: #dc2626;
    --warning-color: #d97706;
    
    /* 中性色调 */
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    /* 文字颜色 */
    --text-primary: #1f2937;
    --text-secondary: #4b5563;
    --text-muted: #6b7280;
    
    /* 背景色 */
    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-accent: #f3f4f6;
    
    /* 阴影 */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* 边框圆角 */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    
    /* 间距 */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* 字体大小 */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
}

body {
    font-family: 'Inter', 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    overflow-x: hidden;
    background-color: var(--bg-primary);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header Styles */
.header {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar {
    padding: 1rem 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--primary-color);
    transition: all 0.3s ease;
}

.logo:hover {
    color: var(--primary-light);
    transform: scale(1.02);
}

.logo i {
    margin-right: 10px;
    font-size: 2rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
}

.nav-link:hover {
    color: var(--primary-color);
    background-color: var(--bg-secondary);
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 2px;
    left: 50%;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transition: all 0.3s ease;
    transform: translateX(-50%);
    border-radius: 1px;
}

.nav-link:hover::after {
    width: 80%;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background-color: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 50%, var(--secondary-color) 100%);
    color: white;
    padding: 120px 0 80px;
    display: flex;
    align-items: center;
    min-height: 100vh;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="%23ffffff" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>') repeat;
    opacity: 0.3;
    pointer-events: none;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-content h1 {
    font-size: var(--text-5xl);
    margin-bottom: var(--spacing-sm);
    line-height: 1.1;
    font-weight: 800;
    background: linear-gradient(135deg, #ffffff 0%, #e2e8f0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-content p {
    font-size: var(--text-lg);
    margin-bottom: var(--spacing-lg);
    opacity: 0.95;
    line-height: 1.7;
    color: #e2e8f0;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn {
    padding: var(--spacing-sm) var(--spacing-xl);
    border: none;
    border-radius: var(--radius-2xl);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    font-size: var(--text-base);
    position: relative;
    overflow: hidden;
    min-width: 140px;
    gap: var(--spacing-xs);
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--accent-light) 100%);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s ease;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--accent-light) 0%, var(--accent-color) 100%);
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: white;
    color: var(--primary-color);
    border-color: white;
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.hero-image {
    text-align: center;
}

.hero-image i {
    font-size: 15rem;
    opacity: 0.3;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

/* Enhanced Product Cards */
.product-card.enhanced {
    position: relative;
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    border: 1px solid #e9ecef;
}

.product-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    background: #dc3545;
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 600;
    z-index: 2;
}

.product-badge.new {
    background: #28a745;
}

.product-specs {
    background: #f8f9fa;
    padding: 1rem;
    margin: 1rem 0;
    border-radius: 8px;
    border-left: 4px solid #007bff;
}

.spec-row {
    display: flex;
    gap: 1rem;
    margin-bottom: 0.5rem;
}

.spec-row:last-child {
    margin-bottom: 0;
}

.spec-item {
    flex: 1;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.spec-label {
    font-size: 0.8rem;
    color: #666;
    font-weight: 500;
}

.spec-value {
    font-size: 0.8rem;
    color: #333;
    font-weight: 600;
    background: white;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
}

.product-price {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1rem;
    padding: 0.8rem;
    background: linear-gradient(135deg, #007bff 0%, #0056b3 100%);
    color: white;
    border-radius: 8px;
    font-weight: 600;
}

.price-label {
    font-size: 0.9rem;
    opacity: 0.9;
}

.price-value {
    font-size: 1.2rem;
    font-weight: 700;
}

.price-unit {
    font-size: 0.8rem;
    opacity: 0.8;
}

/* Products Section */
.products {
    padding: var(--spacing-2xl) 0;
    background: var(--bg-secondary);
}

.products h2 {
    text-align: center;
    font-size: var(--text-4xl);
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
    font-weight: 700;
}

.section-subtitle {
    text-align: center;
    font-size: var(--text-lg);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.product-card {
    background: var(--bg-primary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-lg);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    text-align: center;
    border: 1px solid var(--gray-200);
    position: relative;
    overflow: hidden;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color), var(--accent-color));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.product-card:hover::before {
    transform: scaleX(1);
}

.product-card:hover {
    transform: translateY(-12px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-light);
}

.product-icon {
    width: 90px;
    height: 90px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: var(--radius-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.product-icon::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--primary-color) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.product-card:hover .product-icon::before {
    opacity: 1;
}

.product-icon i {
    font-size: var(--text-3xl);
    color: white;
    position: relative;
    z-index: 1;
    transition: transform 0.3s ease;
}

.product-card:hover .product-icon i {
    transform: scale(1.1) rotate(5deg);
}

.product-card h3 {
    font-size: var(--text-2xl);
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
    font-weight: 600;
}

.product-card p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
    font-size: var(--text-base);
}

.product-card ul {
    list-style: none;
    text-align: left;
}

.product-card li {
    padding: 0.5rem 0;
    color: #555;
    position: relative;
    padding-left: 1.5rem;
}

.product-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #28a745;
    font-weight: bold;
}

/* About Section */
.about {
    padding: var(--spacing-2xl) 0;
    background: var(--bg-primary);
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text h2 {
    font-size: var(--text-4xl);
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
    font-weight: 700;
    line-height: 1.2;
}

.about-text p {
    font-size: var(--text-lg);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

.features {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.feature {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.feature i {
    font-size: var(--text-3xl);
    color: var(--primary-color);
    width: 60px;
    text-align: center;
    transition: all 0.3s ease;
}

.feature:hover i {
    color: var(--secondary-color);
    transform: scale(1.1);
}

.feature h4 {
    font-size: var(--text-xl);
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
    font-weight: 600;
}

.feature p {
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.6;
}

.about-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.stat {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    transition: all 0.3s ease;
    border: 1px solid var(--gray-200);
}

.stat:hover {
    background: var(--bg-primary);
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.stat h3 {
    font-size: var(--text-4xl);
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
    font-weight: 700;
}

.stat p {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: var(--text-base);
}

/* Certifications Section */
.certifications {
    padding: var(--spacing-2xl) 0;
    background: var(--bg-primary);
}

.certifications h2 {
    text-align: center;
    font-size: var(--text-4xl);
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
    font-weight: 700;
}

.certifications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.cert-card {
    background: var(--bg-secondary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-xl);
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 2px solid var(--gray-200);
    position: relative;
    overflow: hidden;
}

.cert-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.cert-card:hover::before {
    opacity: 0.05;
}

.cert-card:hover {
    background: var(--bg-primary);
    border-color: var(--primary-color);
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.cert-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-sm);
    transition: all 0.3s ease;
    position: relative;
    z-index: 1;
}

.cert-card:hover .cert-icon {
    transform: scale(1.1) rotate(5deg);
}

.cert-icon i {
    font-size: 1.5rem;
    color: white;
}

.cert-card h4 {
    font-size: var(--text-xl);
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
    font-weight: 600;
    position: relative;
    z-index: 1;
}

.cert-card p {
    color: var(--text-secondary);
    font-size: var(--text-sm);
    line-height: 1.6;
    position: relative;
    z-index: 1;
}

/* Case Studies Section */
.case-studies {
    padding: var(--spacing-2xl) 0;
    background: var(--bg-secondary);
}

.case-studies h2 {
    text-align: center;
    font-size: var(--text-4xl);
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
    font-weight: 700;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.case-card {
    background: var(--bg-primary);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid var(--gray-200);
    position: relative;
}

.case-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color), var(--accent-color));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.case-card:hover::before {
    transform: scaleX(1);
}

.case-card:hover {
    transform: translateY(-12px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-light);
}

.case-image {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    height: 140px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.case-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--primary-color) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.case-card:hover .case-image::before {
    opacity: 1;
}

.case-image i {
    font-size: 3rem;
    color: white;
}

.case-content {
    padding: var(--spacing-lg);
}

.case-content h3 {
    font-size: var(--text-xl);
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
    font-weight: 600;
    line-height: 1.3;
}

.case-location {
    color: var(--text-muted);
    margin-bottom: var(--spacing-sm);
    font-size: var(--text-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.case-location i {
    color: var(--primary-color);
    font-size: var(--text-base);
}

.case-content p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
    font-size: var(--text-sm);
}

.case-stats {
    display: flex;
    gap: 2rem;
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: var(--text-xs);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
}

/* Testimonials Section */
.testimonials {
    padding: var(--spacing-2xl) 0;
    background: var(--bg-primary);
}

.testimonials h2 {
    text-align: center;
    font-size: var(--text-4xl);
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
    font-weight: 700;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.testimonial-card {
    background: var(--bg-secondary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-2xl);
    position: relative;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid var(--gray-200);
    overflow: hidden;
}

.testimonial-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.testimonial-card:hover::before {
    opacity: 0.03;
}

.testimonial-card:hover {
    background: var(--bg-primary);
    box-shadow: var(--shadow-xl);
    transform: translateY(-8px);
    border-color: var(--primary-light);
}

.quote-icon {
    position: absolute;
    top: -15px;
    left: var(--spacing-lg);
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    z-index: 1;
    transition: all 0.3s ease;
}

.testimonial-card:hover .quote-icon {
    transform: scale(1.1) rotate(5deg);
}

.quote-icon i {
    color: white;
    font-size: 1rem;
}

.testimonial-content {
    margin-bottom: 2rem;
}

.testimonial-content p {
    color: var(--text-secondary);
    line-height: 1.8;
    font-style: italic;
    margin-top: var(--spacing-sm);
    font-size: var(--text-base);
    position: relative;
    z-index: 1;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.author-avatar {
    width: 55px;
    height: 55px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    position: relative;
    z-index: 1;
}

.testimonial-card:hover .author-avatar {
    transform: scale(1.05);
}

.author-avatar i {
    font-size: 1.5rem;
    color: white;
}

.author-info h4 {
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
    font-weight: 600;
    font-size: var(--text-base);
    position: relative;
    z-index: 1;
}

.author-info p {
    color: var(--text-secondary);
    font-size: var(--text-sm);
    margin-bottom: var(--spacing-xs);
    position: relative;
    z-index: 1;
}

.rating {
    display: flex;
    gap: 0.25rem;
}

.rating i {
    color: #ffc107;
    font-size: 0.8rem;
}

/* News & Updates Styles */
.news {
    padding: var(--spacing-2xl) 0;
    background: var(--bg-secondary);
}

.news-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    margin-top: 3rem;
}

.news-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.news-item {
    background: var(--bg-primary);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    border: 1px solid var(--gray-200);
    position: relative;
}

.news-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color), var(--accent-color));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.news-item:hover::before {
    transform: scaleX(1);
}

.news-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-light);
}

.news-item.featured {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.news-item.featured::before {
    background: linear-gradient(90deg, var(--secondary-color), var(--primary-color), var(--accent-color));
}

.news-image {
    position: relative;
    overflow: hidden;
    background: var(--gray-300);
}

.news-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 0%, rgba(30, 64, 175, 0.1) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.news-item:hover .news-image::after {
    opacity: 1;
}

.news-image img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.news-item.featured .news-image img {
    height: 250px;
}

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

.news-content-text {
    padding: var(--spacing-lg);
    position: relative;
    z-index: 2;
}

.news-category {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-xl);
    font-size: var(--text-xs);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
}

.news-item:hover .news-category {
    transform: scale(1.05);
    box-shadow: var(--shadow-sm);
}

.news-item .news-category {
    background: #28a745;
}

.news-item:nth-child(3) .news-category {
    background: #ffc107;
    color: #333;
}

.news-item:nth-child(4) .news-category {
    background: #dc3545;
}

.news-content-text h3 {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    line-height: 1.4;
    transition: color 0.3s ease;
}

.news-item:hover .news-content-text h3 {
    color: var(--primary-color);
}

.news-item.featured .news-content-text h3 {
    font-size: var(--text-2xl);
}

.news-content-text p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-sm);
    font-size: var(--text-sm);
}

.news-meta {
    display: flex;
    gap: var(--spacing-sm);
    font-size: var(--text-xs);
    color: var(--text-muted);
    font-weight: 500;
    align-items: center;
}

.news-meta i {
    color: var(--primary-color);
    transition: all 0.3s ease;
    margin-right: var(--spacing-xs);
}

.news-item:hover .news-meta i {
    color: var(--secondary-color);
    transform: scale(1.1);
}

.news-date, .news-author {
    position: relative;
    display: flex;
    align-items: center;
}

.news-author::before {
    content: '•';
    margin-right: 0.5rem;
    color: var(--gray-400);
}

/* News Sidebar */
.news-sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.quick-updates, .industry-trends {
    background: var(--bg-primary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
    transition: all 0.3s ease;
}

.quick-updates:hover, .industry-trends:hover {
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.quick-updates h3, .industry-trends h3 {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-xs);
    border-bottom: 2px solid var(--primary-color);
    position: relative;
}

.quick-updates h3::after, .industry-trends h3::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 30px;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--radius-sm);
}

.updates-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.updates-list li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--gray-200);
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
}

.updates-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 0;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--radius-sm);
    transition: height 0.3s ease;
}

.updates-list li:hover {
    background-color: var(--bg-secondary);
    margin: 0 calc(-1 * var(--spacing-sm));
    padding-left: var(--spacing-md);
    padding-right: var(--spacing-sm);
    border-radius: var(--radius-md);
    color: var(--primary-color);
}

.updates-list li:hover::before {
    height: 60%;
}

.updates-list li:last-child {
    border-bottom: none;
}

.update-date {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    font-size: var(--text-xs);
    font-weight: 600;
    min-width: 50px;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}

.updates-list li:hover .update-date {
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    transform: scale(1.05);
    box-shadow: var(--shadow-md);
}

.update-text {
    color: var(--text-primary);
    font-size: var(--text-sm);
    line-height: 1.5;
    transition: color 0.3s ease;
}

.updates-list li:hover .update-text {
    color: var(--text-secondary);
}

/* Industry Trends Chart */
.trend-chart {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.trend-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs) 0;
    transition: all 0.3s ease;
    cursor: pointer;
    border-radius: var(--radius-md);
}

.trend-item:hover {
    background: var(--bg-secondary);
    padding: var(--spacing-xs) var(--spacing-sm);
    margin: 0 calc(-1 * var(--spacing-xs));
    transform: translateX(var(--spacing-xs));
}

.trend-label {
    font-size: var(--text-sm);
    color: var(--text-primary);
    min-width: 80px;
    font-weight: 500;
    transition: color 0.3s ease;
}

.trend-item:hover .trend-label {
    color: var(--primary-color);
    font-weight: 600;
}

.trend-bar {
    flex: 1;
    height: 10px;
    background: var(--gray-200);
    border-radius: var(--radius-md);
    overflow: hidden;
    position: relative;
}

.trend-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.3) 50%, transparent 100%);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.trend-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--radius-md);
    transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.trend-item:hover .trend-progress {
    background: linear-gradient(90deg, var(--secondary-color), var(--accent-color));
}

.trend-value {
    font-size: var(--text-sm);
    font-weight: 700;
    color: var(--secondary-color);
    min-width: 50px;
    text-align: right;
    transition: all 0.3s ease;
}

.trend-item:hover .trend-value {
    color: var(--accent-color);
    transform: scale(1.05);
}

/* Team Section */
.team {
    padding: var(--spacing-2xl) 0;
    background: var(--bg-primary);
}

.team-content {
    margin-top: 3rem;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: 4rem;
}

.team-member {
    background: var(--bg-primary);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-lg);
    text-align: center;
    box-shadow: var(--shadow-lg);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    border: 1px solid var(--gray-200);
}

.team-member::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.team-member:hover::before {
    opacity: 0.03;
}

.team-member:hover {
    transform: translateY(-12px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-light);
}

.member-photo {
    position: relative;
    width: 130px;
    height: 130px;
    margin: 0 auto var(--spacing-lg);
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 4px solid var(--bg-secondary);
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.4s ease;
    box-shadow: var(--shadow-md);
}

.member-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.member-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,123,255,0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.member-photo:hover .member-overlay {
    opacity: 1;
}

.team-member:hover .member-photo {
    transform: scale(1.08) rotate(3deg);
    box-shadow: var(--shadow-lg);
}

.member-social {
    display: flex;
    gap: 1rem;
}

.member-social a {
    color: white;
    font-size: 1.2rem;
    transition: transform 0.3s ease;
}

.member-social a:hover {
    transform: scale(1.2);
}

.member-info h3 {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
    transition: color 0.3s ease;
    position: relative;
    z-index: 1;
}

.member-title {
    color: var(--primary-color);
    font-weight: 600;
    font-size: var(--text-base);
    margin-bottom: var(--spacing-sm);
    position: relative;
    z-index: 1;
}

.member-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
    font-size: var(--text-sm);
    position: relative;
    z-index: 1;
}

.member-expertise {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
}

.expertise-tag {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-xl);
    font-size: var(--text-xs);
    font-weight: 600;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Team Stats */
.team-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    background: var(--bg-primary);
    padding: var(--spacing-xl);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--gray-200);
    transition: all 0.3s ease;
}

.team-stats:hover {
    box-shadow: 0 12px 40px rgba(0,0,0,0.15);
    transform: translateY(-2px);
}

.stat-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-align: left;
    padding: var(--spacing-sm);
    border-radius: var(--radius-lg);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.stat-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.stat-item:hover::before {
    opacity: 0.05;
}

.stat-item:hover {
    background: var(--bg-secondary);
    transform: translateY(-3px);
}

.stat-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    flex-shrink: 0;
    transition: all 0.3s ease;
    position: relative;
    z-index: 1;
    box-shadow: var(--shadow-md);
}

.stat-item:hover .stat-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: var(--shadow-lg);
}

.stat-content h3 {
    font-size: 2rem;
    font-weight: 700;
    color: #333;
    margin-bottom: 0.2rem;
}

.stat-content p {
    color: #666;
    font-size: 0.9rem;
    margin: 0;
}

/* Market Insights Section */
.market-insights {
    padding: var(--spacing-2xl) 0;
    background: var(--bg-secondary);
}

.market-insights h2 {
    text-align: center;
    font-size: var(--text-4xl);
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
    font-weight: 700;
}

.insights-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
    margin-top: var(--spacing-xl);
}

.insights-text h3 {
    font-size: var(--text-3xl);
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
    font-weight: 700;
    position: relative;
}

.insights-text h3::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 50px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--radius-sm);
}

.insights-text p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
    font-size: var(--text-base);
}

.trend-items {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.trend-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    border-radius: var(--radius-lg);
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.trend-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.trend-item:hover::before {
    opacity: 0.05;
}

.trend-item:hover {
    background: var(--bg-primary);
    transform: translateX(var(--spacing-xs));
    box-shadow: var(--shadow-md);
}

.trend-item i {
    font-size: var(--text-2xl);
    color: var(--primary-color);
    width: 50px;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    z-index: 1;
}

.trend-item:hover i {
    color: var(--secondary-color);
    transform: scale(1.1);
}

.trend-item h4 {
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
    font-weight: 600;
    font-size: var(--text-base);
    position: relative;
    z-index: 1;
    transition: color 0.3s ease;
}

.trend-item:hover h4 {
    color: var(--primary-color);
}

.trend-item p {
    color: var(--text-secondary);
    font-size: var(--text-sm);
    margin: 0;
    line-height: 1.5;
    position: relative;
    z-index: 1;
}

.insights-chart {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.chart-container h4 {
    text-align: center;
    margin-bottom: 2rem;
    color: #333;
}

.chart-bars {
    display: flex;
    align-items: end;
    justify-content: space-between;
    height: 200px;
    gap: 1rem;
}

.bar-group {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 1;
}

.bar {
    width: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 4px 4px 0 0;
    transition: all 0.3s ease;
    min-height: 20px;
}

.bar:hover {
    background: linear-gradient(135deg, #2c5aa0 0%, #667eea 100%);
    transform: scaleY(1.05);
}

.bar-group span {
    margin-top: 0.5rem;
    font-size: 0.8rem;
    color: #666;
    font-weight: 500;
}

/* FAQ Section */
.faq {
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-accent) 100%);
}

.faq h2 {
    text-align: center;
    font-size: var(--text-4xl);
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
    font-weight: 700;
}

.faq-content {
    margin-top: var(--spacing-xl);
}

.faq-categories {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.faq-tab {
    background: var(--bg-primary);
    border: 2px solid var(--gray-200);
    color: var(--text-secondary);
    padding: var(--spacing-sm) var(--spacing-xl);
    border-radius: var(--radius-2xl);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: var(--text-sm);
}

.faq-tab::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.faq-tab:hover::before {
    opacity: 1;
}

.faq-tab:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
    color: white;
}

.faq-tab.active {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.faq-tab span {
    position: relative;
    z-index: 1;
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-category {
    display: none;
}

.faq-category.active {
    display: block;
    animation: fadeInUp 0.5s ease;
}

.faq-item {
    background: var(--bg-primary);
    border-radius: var(--radius-2xl);
    margin-bottom: var(--spacing-sm);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: all 0.3s ease;
    border: 1px solid var(--gray-200);
    position: relative;
}

.faq-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    transition: height 0.3s ease;
}

.faq-item:hover::before {
    height: 100%;
}

.faq-item:hover {
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
    transform: translateY(-2px);
}

.faq-question {
    padding: var(--spacing-lg) var(--spacing-xl);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--bg-primary);
    transition: all 0.3s ease;
    position: relative;
    z-index: 1;
}

.faq-question:hover {
    background: var(--bg-secondary);
    color: var(--primary-color);
}

.faq-question h3 {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 600;
    color: #333;
    flex: 1;
}

.faq-toggle {
    width: 35px;
    height: 35px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: bold;
    transition: all 0.3s ease;
    flex-shrink: 0;
    margin-left: var(--spacing-sm);
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

.faq-toggle::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.faq-item.active .faq-toggle::before {
    opacity: 1;
}

.faq-item.active .faq-toggle {
    transform: rotate(45deg);
    box-shadow: var(--shadow-md);
}

.faq-toggle i {
    position: relative;
    z-index: 1;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
    background: var(--bg-secondary);
    position: relative;
    z-index: 1;
}

.faq-item.active .faq-answer {
    max-height: 200px;
    padding: var(--spacing-lg) var(--spacing-xl);
}

.faq-answer p {
    margin: 0;
    color: #666;
    line-height: 1.6;
}

.faq-contact {
    margin-top: 4rem;
    text-align: center;
}

.faq-contact-card {
    background: white;
    padding: 3rem 2rem;
    border-radius: 16px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.1);
    max-width: 500px;
    margin: 0 auto;
}

.faq-contact-card h3 {
    font-size: 1.5rem;
    color: #333;
    margin-bottom: 1rem;
}

.faq-contact-card p {
    color: #666;
    margin-bottom: 2rem;
}

.faq-contact-methods {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn.btn-outline {
    background: transparent;
    border: 2px solid #007bff;
    color: #007bff;
}

.btn.btn-outline:hover {
    background: #007bff;
    color: white;
}

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

/* Contact Section */
.contact {
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="%23ffffff" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>') repeat;
    opacity: 0.3;
}

.contact h2 {
    text-align: center;
    font-size: var(--text-4xl);
    margin-bottom: var(--spacing-sm);
    font-weight: 700;
    position: relative;
    z-index: 1;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    margin-top: var(--spacing-xl);
    position: relative;
    z-index: 1;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-2xl);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.contact-item:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.contact-item i {
    font-size: var(--text-2xl);
    color: var(--accent-light);
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all 0.3s ease;
}

.contact-item:hover i {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.1);
}

.contact-item h4 {
    font-size: var(--text-xl);
    margin-bottom: var(--spacing-xs);
    color: white;
    font-weight: 600;
}

.contact-item p {
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.7;
    font-size: var(--text-base);
}

.contact-form {
    background: rgba(255, 255, 255, 0.95);
    padding: var(--spacing-xl);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    transition: all 0.3s ease;
}

.contact-form:hover {
    background: white;
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
    transform: translateY(-5px);
}

.form-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.form-group:last-of-type {
    grid-template-columns: 1fr;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    font-size: var(--text-base);
    transition: all 0.3s ease;
    width: 100%;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: inherit;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
    transform: translateY(-2px);
}

.contact-form input:hover,
.contact-form select:hover,
.contact-form textarea:hover {
    border-color: var(--primary-light);
    box-shadow: var(--shadow-sm);
}

.contact-form textarea {
    resize: vertical;
    min-height: 120px;
}

/* Footer */
.footer {
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
    color: white;
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="dots" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="1" fill="%23ffffff" opacity="0.05"/></pattern></defs><rect width="100" height="100" fill="url(%23dots)"/></svg>') repeat;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
    position: relative;
    z-index: 1;
}

.footer-section h4 {
    font-size: var(--text-xl);
    margin-bottom: var(--spacing-lg);
    color: #fff;
    font-weight: 700;
    position: relative;
    padding-bottom: var(--spacing-xs);
}

.footer-section h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--radius-sm);
}

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.7;
    margin-bottom: var(--spacing-sm);
    font-size: var(--text-sm);
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    margin-bottom: var(--spacing-sm);
    transition: all 0.3s ease;
}

.footer-section li:hover {
    transform: translateX(5px);
}

.footer-section a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--text-sm);
    position: relative;
}

.footer-section a::before {
    content: '→';
    opacity: 0;
    transform: translateX(-10px);
    transition: all 0.3s ease;
}

.footer-section a:hover::before {
    opacity: 1;
    transform: translateX(0);
}

.footer-section a:hover {
    color: var(--primary-light);
    padding-left: var(--spacing-sm);
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.social-links a {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.8);
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.social-links a::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.social-links a:hover::before {
    opacity: 1;
}

.social-links a:hover {
    color: white;
    transform: translateY(-5px) scale(1.1);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.social-links a i {
    position: relative;
    z-index: 1;
    font-size: var(--text-lg);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-lg);
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
    position: relative;
    z-index: 1;
    font-size: var(--text-sm);
}

.footer-bottom::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
}

/* Responsive Design */
/* Large tablets and small desktops */
@media (max-width: 1024px) {
    .container {
        padding: 0 var(--spacing-lg);
    }
    
    .hero-content h1 {
        font-size: 3rem;
    }
    
    .products-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-md);
    }
    
    .team-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-md);
    }
    
    .certifications-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .cases-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Tablets */
@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    /* Navigation */
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(20px);
        width: 100%;
        text-align: center;
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: var(--shadow-lg);
        padding: var(--spacing-xl) 0;
        z-index: 1000;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-link {
        padding: var(--spacing-md) var(--spacing-lg);
        margin: var(--spacing-xs) 0;
        border-radius: var(--border-radius-md);
        transition: all 0.3s ease;
    }
    
    /* Hero Section */
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-xl);
        padding: var(--spacing-xl) 0;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
        line-height: 1.2;
    }
    
    .hero-image i {
        font-size: 8rem;
    }
    
    .hero-buttons {
        justify-content: center;
        flex-wrap: wrap;
        gap: var(--spacing-md);
    }
    
    /* Grid Layouts */
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }
    
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }
    
    .certifications-grid,
    .cases-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    /* About Section */
    .about-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .about-stats {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-md);
    }
    
    /* News and Insights */
    .insights-content,
    .news-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .news-grid {
        grid-template-columns: 1fr;
    }
    
    .news-item.featured {
        grid-template-columns: 1fr;
    }
    
    .news-item.featured .news-image img {
        height: 200px;
    }
    
    /* Sidebar Components */
    .quick-updates, 
    .industry-trends {
        padding: var(--spacing-lg);
        margin-bottom: var(--spacing-lg);
    }
    
    .trend-item {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }
    
    .trend-label {
        min-width: auto;
        font-size: var(--text-sm);
    }
    
    .trend-bar {
        width: 100%;
        height: 8px;
    }
    
    /* Chart and Stats */
    .chart-bars {
        height: 150px;
    }
    
    .case-stats {
        justify-content: center;
        flex-wrap: wrap;
        gap: var(--spacing-md);
    }
    
    .team-stats {
        grid-template-columns: 1fr;
        padding: var(--spacing-xl);
        gap: var(--spacing-lg);
    }
    
    .stat-item {
        justify-content: center;
        text-align: center;
        padding: var(--spacing-lg);
    }
    
    /* FAQ Section */
    .faq-categories {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-sm);
    }
    
    .faq-tab {
        width: 100%;
        max-width: 300px;
        text-align: center;
        padding: var(--spacing-md) var(--spacing-lg);
    }
    
    .faq-question {
        padding: var(--spacing-lg) var(--spacing-lg);
    }
    
    .faq-question h3 {
        font-size: var(--text-lg);
    }
    
    .faq-contact-card {
        padding: var(--spacing-xl) var(--spacing-lg);
    }
    
    .faq-contact-methods {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-md);
    }
    
    /* Contact Section */
    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .form-group {
        grid-template-columns: 1fr;
    }
    
    /* Product Specifications */
    .spec-row {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .spec-item {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-xs);
        padding: var(--spacing-sm);
    }
    
    .product-price {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: var(--spacing-sm);
    }
    
    /* Team Members */
    .team-member {
        padding: var(--spacing-lg);
        text-align: center;
    }
    
    .team-member .social-links {
        justify-content: center;
    }
}

/* Small mobile devices */
@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    /* Typography adjustments */
    .hero-content h1 {
        font-size: 2rem;
        line-height: 1.1;
    }
    
    .hero-content p {
        font-size: var(--text-base);
    }
    
    .hero-image i {
        font-size: 6rem;
    }
    
    /* Section titles */
    .section h2 {
        font-size: 1.75rem;
    }
    
    .section h3 {
        font-size: 1.25rem;
    }
    
    /* Grid layouts for very small screens */
    .products-grid,
    .team-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .about-stats {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .stat {
        padding: var(--spacing-lg);
        text-align: center;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    /* Forms */
    .contact-form {
        padding: var(--spacing-lg);
        margin: var(--spacing-md);
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: var(--spacing-md);
        font-size: var(--text-base);
    }
    
    /* Buttons */
    .btn {
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: var(--text-base);
        width: 100%;
        margin-bottom: var(--spacing-sm);
    }
    
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-buttons .btn {
        width: 100%;
        max-width: 300px;
    }
    
    /* Cards and components */
    .product-card,
    .feature,
    .certification-card,
    .case-card,
    .testimonial-card,
    .team-member {
        padding: var(--spacing-lg);
        margin-bottom: var(--spacing-md);
    }
    
    /* Navigation adjustments */
    .nav-menu {
        top: 60px;
        padding: var(--spacing-lg) 0;
    }
    
    .nav-link {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--text-base);
    }
    
    /* FAQ adjustments */
    .faq-tab {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--text-sm);
    }
    
    .faq-question {
        padding: var(--spacing-md);
    }
    
    .faq-question h3 {
        font-size: var(--text-base);
    }
    
    /* News items */
    .news-item {
        padding: var(--spacing-md);
    }
    
    .news-item h3 {
        font-size: var(--text-lg);
    }
    
    /* Sidebar components */
    .quick-updates,
    .industry-trends {
        padding: var(--spacing-md);
        margin: var(--spacing-sm) 0;
    }
    
    /* Team member social links */
    .team-member .social-links a {
        width: 35px;
        height: 35px;
        font-size: var(--text-sm);
    }
    
    /* Footer adjustments */
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        text-align: center;
    }
    
    .footer-section {
        margin-bottom: var(--spacing-lg);
    }
    
    /* Contact info adjustments */
    .contact-info {
        padding: var(--spacing-lg);
    }
    
    .contact-item {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-sm);
    }
}

/* Extra small devices */
@media (max-width: 360px) {
    .container {
        padding: 0 var(--spacing-xs);
    }
    
    .hero-content h1 {
        font-size: 1.75rem;
    }
    
    .hero-image i {
        font-size: 5rem;
    }
    
    .section {
        padding: var(--spacing-xl) 0;
    }
    
    .products-grid,
    .team-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--text-sm);
    }
    
    .product-card,
    .feature,
    .certification-card,
    .case-card,
    .testimonial-card,
    .team-member {
        padding: var(--spacing-md);
    }
}

/* 悬浮在线客服样式 */
.floating-chat {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 1000;
    font-family: var(--font-family);
}

.chat-toggle {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: var(--shadow-xl);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    animation: pulse 2s infinite;
}

.chat-toggle:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 25px rgba(0, 123, 255, 0.4);
}

.chat-toggle i {
    font-size: 24px;
    color: white;
    transition: transform 0.3s ease;
}

.chat-toggle:hover i {
    transform: scale(1.1);
}

.chat-badge {
    position: absolute;
    top: -5px;
    right: -5px;
    background: var(--accent-color);
    color: white;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    font-size: 12px;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: bounce 1s infinite;
}

.chat-window {
    position: absolute;
    bottom: 80px;
    right: 0;
    width: 350px;
    height: 450px;
    background: white;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
    display: none;
    flex-direction: column;
    overflow: hidden;
    border: 1px solid var(--gray-200);
    animation: slideUp 0.3s ease-out;
}

.chat-window.active {
    display: flex;
}

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

@keyframes pulse {
    0% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.05);
        opacity: 0.7;
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

@keyframes bounce {
    0%, 20%, 53%, 80%, 100% {
        transform: translate3d(0, 0, 0);
    }
    40%, 43% {
        transform: translate3d(0, -8px, 0);
    }
    70% {
        transform: translate3d(0, -4px, 0);
    }
    90% {
        transform: translate3d(0, -2px, 0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.chat-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.chat-avatar {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
}

.chat-info {
    flex: 1;
}

.chat-info h4 {
    margin: 0;
    font-size: var(--text-base);
    font-weight: 600;
}

.chat-status {
    font-size: var(--text-xs);
    opacity: 0.9;
    display: flex;
    align-items: center;
    gap: 5px;
}

.chat-status::before {
    content: '';
    width: 8px;
    height: 8px;
    background: #4CAF50;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

.chat-close {
    background: none;
    border: none;
    color: white;
    font-size: 18px;
    cursor: pointer;
    padding: 5px;
    border-radius: 50%;
    transition: background 0.3s ease;
}

.chat-close:hover {
    background: rgba(255, 255, 255, 0.2);
}

.chat-messages {
    flex: 1;
    padding: var(--spacing-md);
    overflow-y: auto;
    background: #f8f9fa;
}

.message {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    animation: fadeInUp 0.3s ease-out;
}

.message-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    flex-shrink: 0;
}

.bot-message .message-avatar {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
}

.user-message {
    flex-direction: row-reverse;
}

.user-message .message-avatar {
    background: var(--gray-300);
    color: var(--text-primary);
}

.message-content {
    flex: 1;
    max-width: 80%;
}

.message-content p {
    background: white;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-lg);
    margin: 0 0 5px 0;
    box-shadow: var(--shadow-sm);
    line-height: 1.4;
    font-size: var(--text-sm);
}

.user-message .message-content p {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
}

.message-time {
    font-size: var(--text-xs);
    color: var(--text-secondary);
    margin-left: var(--spacing-sm);
}

.user-message .message-time {
    margin-left: 0;
    margin-right: var(--spacing-sm);
    text-align: right;
}

.chat-input {
    padding: var(--spacing-md);
    background: white;
    border-top: 1px solid var(--gray-200);
    display: flex;
    gap: var(--spacing-sm);
}

.chat-input input {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    font-size: var(--text-sm);
    outline: none;
    transition: border-color 0.3s ease;
}

.chat-input input:focus {
    border-color: var(--primary-color);
}

.chat-input button {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border: none;
    border-radius: 50%;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.chat-input button:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-md);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .floating-chat {
        bottom: 20px;
        right: 20px;
    }
    
    .chat-window {
        width: 300px;
        height: 400px;
    }
}

@media (max-width: 480px) {
    .floating-chat {
        bottom: 15px;
        right: 15px;
    }
    
    .chat-toggle {
        width: 50px;
        height: 50px;
    }
    
    .chat-toggle i {
        font-size: 20px;
    }
    
    .chat-window {
        width: 280px;
        height: 350px;
        bottom: 70px;
    }
}

/* Hamburger Menu Styles */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: var(--spacing-xs);
    background: none;
    border: none;
    z-index: 1001;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-color);
    margin: 3px 0;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 2px;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}

/* Touch Device Optimizations */
@media (hover: none) and (pointer: coarse) {
    .btn,
    .nav-link,
    .product-card,
    .case-card,
    .team-member,
    .faq-question {
        transition: none;
    }
    
    .btn:active {
        transform: scale(0.98);
    }
    
    .nav-link:active,
    .product-card:active,
    .case-card:active {
        transform: translateY(2px);
    }
}

/* High DPI Display Optimizations */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .product-icon,
    .feature-icon,
    .certification-icon {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}

/* Landscape Mobile Optimization */
@media (max-height: 500px) and (orientation: landscape) {
    .hero {
        min-height: 100vh;
        padding: var(--spacing-lg) 0;
    }
    
    .hero-content {
        gap: var(--spacing-md);
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .hero-image i {
        font-size: 4rem;
    }
    
    .nav-menu {
        top: 50px;
        max-height: calc(100vh - 50px);
        overflow-y: auto;
    }
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Enhanced Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

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

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

@keyframes glow {
    0%, 100% {
        box-shadow: 0 0 5px var(--primary-color);
    }
    50% {
        box-shadow: 0 0 20px var(--primary-color), 0 0 30px var(--primary-color);
    }
}

/* Animation Classes */
.animate-fade-up {
    animation: fadeInUp 0.6s ease forwards;
}

.animate-fade-left {
    animation: fadeInLeft 0.6s ease forwards;
}

.animate-fade-right {
    animation: fadeInRight 0.6s ease forwards;
}

.animate-scale-in {
    animation: scaleIn 0.5s ease forwards;
}

.animate-slide-down {
    animation: slideDown 0.4s ease forwards;
}

.animate-pulse {
    animation: pulse 2s infinite;
}

.animate-bounce {
    animation: bounce 1s;
}

.animate-float {
    animation: float 3s ease-in-out infinite;
}

.animate-glow {
    animation: glow 2s ease-in-out infinite;
}

/* Apply animations to elements */
.product-card {
    animation: fadeInUp 0.6s ease forwards;
    animation-delay: calc(var(--animation-delay, 0) * 0.1s);
}

.feature {
    animation: fadeInLeft 0.6s ease forwards;
    animation-delay: calc(var(--animation-delay, 0) * 0.15s);
}

.stat {
    animation: scaleIn 0.5s ease forwards;
    animation-delay: calc(var(--animation-delay, 0) * 0.1s);
}

.certification-card {
    animation: fadeInUp 0.6s ease forwards;
    animation-delay: calc(var(--animation-delay, 0) * 0.1s);
}

.case-card {
    animation: fadeInRight 0.6s ease forwards;
    animation-delay: calc(var(--animation-delay, 0) * 0.1s);
}

.testimonial-card {
    animation: fadeInUp 0.6s ease forwards;
    animation-delay: calc(var(--animation-delay, 0) * 0.1s);
}

.team-member {
    animation: scaleIn 0.5s ease forwards;
    animation-delay: calc(var(--animation-delay, 0) * 0.1s);
}

.news-item {
    animation: fadeInUp 0.6s ease forwards;
    animation-delay: calc(var(--animation-delay, 0) * 0.1s);
}

/* Enhanced Hover Effects */
.product-card:hover .product-icon {
    transform: scale(1.1) rotate(5deg);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.contact-form input:hover,
.contact-form select:hover,
.contact-form textarea:hover {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(44, 90, 160, 0.1);
    transition: all 0.3s ease;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(44, 90, 160, 0.2);
    outline: none;
}

/* Interactive Elements */
.btn {
    position: relative;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn:active {
    transform: scale(0.98);
}

/* Card Hover Enhancements */
.product-card,
.feature,
.certification-card,
.case-card,
.testimonial-card,
.team-member {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.product-card:hover,
.feature:hover,
.certification-card:hover,
.case-card:hover,
.testimonial-card:hover,
.team-member:hover {
    transform: translateY(-8px) scale(1.02);
}

/* Navigation Link Enhancements */
.nav-link {
    position: relative;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-link:hover {
    transform: translateY(-2px);
}

/* Loading States */
.loading {
    position: relative;
    pointer-events: none;
    opacity: 0.7;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--primary-color);
    border-top: 2px solid transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Scroll Reveal Animation */
.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.scroll-reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger Animation Delays */
.stagger-animation > * {
    animation-delay: calc(var(--stagger-delay, 0) * 0.1s);
}

/* Ripple Effect */
.ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.6);
    transform: scale(0);
    animation: ripple-animation 0.6s linear;
    pointer-events: none;
}

@keyframes ripple-animation {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

/* Enhanced Button States */
.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

.btn:disabled:hover {
    transform: none !important;
}

/* Micro Interactions */
.nav-link::after {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.product-icon {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.feature-icon {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.certification-icon {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Enhanced Focus States */
.btn:focus-visible,
.nav-link:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
    box-shadow: 0 0 0 4px rgba(44, 90, 160, 0.2);
}

/* Smooth Transitions for All Interactive Elements */
* {
    transition-property: transform, opacity, box-shadow, background-color, border-color;
    transition-duration: 0.3s;
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}

/* Performance Optimizations */
.product-card,
.feature,
.certification-card,
.case-card,
.testimonial-card,
.team-member {
    will-change: transform;
    backface-visibility: hidden;
    perspective: 1000px;
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    
    .animate-float,
    .animate-pulse,
    .animate-bounce {
        animation: none !important;
    }
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    .btn {
        border: 2px solid currentColor;
    }
    
    .product-card,
    .feature,
    .certification-card,
    .case-card,
    .testimonial-card,
    .team-member {
        border: 1px solid currentColor;
    }
}

/* Dark Mode Preparation */
@media (prefers-color-scheme: dark) {
    :root {
        --text-color: #ffffff;
        --bg-color: #1a1a1a;
        --surface-color: #2d2d2d;
    }
}

/* Focus States */
.btn:focus,
.nav-link:focus {
    outline: 2px solid #2c5aa0;
    outline-offset: 2px;
}

/* Print Styles */
@media print {
    .header,
    .footer,
    .hero-buttons,
    .contact-form {
        display: none;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
    }
    
    .hero {
        background: none;
        color: black;
    }
}