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

:root {
    --primary-color: #2563eb;
    --secondary-color: #7c3aed;
    --accent-color: #06b6d4;
    --dark-color: #1e293b;
    --light-color: #f8fafc;
    --text-color: #334155;
    --border-color: #e2e8f0;
    --success-color: #10b981;
    --warning-color: #f59e0b;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--light-color);
}

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

/* Navigation */
.navbar {
    background: white;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.nav-brand h1 {
    font-size: 1.5rem;
    color: var(--primary-color);
    font-weight: 700;
}

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

.nav-menu a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: color 0.3s;
}

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

.lang-btn {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 5px;
    cursor: pointer;
    font-weight: 500;
    transition: background 0.3s;
}

.lang-btn:hover {
    background: var(--secondary-color);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 6rem 0;
    position: relative;
    overflow: hidden;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.hero-title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

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

.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: white;
    color: var(--primary-color);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.btn-secondary:hover {
    background: white;
    color: var(--primary-color);
}

/* Hero Image Animation */
.hero-image {
    position: relative;
    height: 400px;
}

.floating-card {
    position: absolute;
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    border: 1px solid rgba(255,255,255,0.2);
    animation: float 6s ease-in-out infinite;
}

.card-1 {
    width: 200px;
    height: 150px;
    top: 20px;
    left: 50px;
}

.card-2 {
    width: 180px;
    height: 180px;
    top: 100px;
    right: 80px;
    animation-delay: 2s;
}

.card-3 {
    width: 160px;
    height: 120px;
    bottom: 50px;
    left: 100px;
    animation-delay: 4s;
}

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

/* Services Overview */
.services-overview {
    padding: 5rem 0;
    background: white;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 3rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--light-color);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s;
    border: 2px solid transparent;
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: 0 15px 35px rgba(0,0,0,0.1);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.service-card h3 {
    font-size: 1.25rem;
    color: var(--dark-color);
    margin-bottom: 1rem;
}

.service-card p {
    color: var(--text-color);
    line-height: 1.6;
}

/* Industries Section */
.industries {
    padding: 5rem 0;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

.industries-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.industry-item {
    background: white;
    padding: 1.5rem;
    border-radius: 10px;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: all 0.3s;
}

.industry-item:hover {
    transform: translateX(10px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.industry-icon {
    font-size: 2rem;
}

.industry-item p {
    margin: 0;
    font-weight: 500;
}

/* CTA Section */
.cta {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 5rem 0;
    text-align: center;
}

.cta h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

/* Footer */
.footer {
    background: var(--dark-color);
    color: white;
    padding: 3rem 0 1rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-col h3,
.footer-col h4 {
    margin-bottom: 1rem;
    color: var(--accent-color);
}

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

.footer-col ul li {
    margin-bottom: 0.5rem;
}

.footer-col a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-col a:hover {
    color: var(--accent-color);
}

.footer-col p {
    color: rgba(255,255,255,0.8);
    margin-bottom: 0.5rem;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 1rem;
    text-align: center;
    color: rgba(255,255,255,0.6);
}

/* Page Header */
.page-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 4rem 0;
    text-align: center;
}

.page-header h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.page-header p {
    font-size: 1.25rem;
    opacity: 0.95;
}

/* Detailed Services */
.detailed-services {
    padding: 5rem 0;
}

.service-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-bottom: 4rem;
    align-items: center;
}

.service-detail.reverse {
    direction: rtl;
}

.service-detail.reverse .service-detail-content {
    direction: ltr;
}

.service-detail-content h2 {
    font-size: 2rem;
    color: var(--dark-color);
    margin-bottom: 1rem;
}

.service-detail-content p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.service-detail-content ul {
    list-style: none;
    padding-left: 0;
}

.service-detail-content ul li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.service-detail-content ul li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: bold;
}

.service-detail-visual {
    height: 300px;
    border-radius: 15px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    overflow: hidden;
}

.visual-1 { background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); }
.visual-2 { background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%); }
.visual-3 { background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%); }
.visual-4 { background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%); }

/* Process Section */
.process {
    padding: 5rem 0;
    background: var(--light-color);
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.process-step {
    text-align: center;
    padding: 2rem;
}

.step-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary-color);
    opacity: 0.3;
    margin-bottom: 1rem;
}

.process-step h3 {
    font-size: 1.5rem;
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

/* Contact Section */
.contact-section {
    padding: 5rem 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.contact-info h2 {
    font-size: 2rem;
    color: var(--dark-color);
    margin-bottom: 2rem;
}

.contact-item {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    align-items: flex-start;
}

.contact-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.contact-item h3 {
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

.contact-item a {
    color: var(--primary-color);
    text-decoration: none;
}

.contact-item a:hover {
    text-decoration: underline;
}

/* Contact Form */
.contact-form {
    background: var(--light-color);
    padding: 2rem;
    border-radius: 15px;
}

.contact-form h2 {
    font-size: 2rem;
    color: var(--dark-color);
    margin-bottom: 2rem;
}

.form-group {
    position: relative;
    margin-bottom: 2rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group label {
    position: absolute;
    left: 1rem;
    top: 1rem;
    color: var(--text-color);
    pointer-events: none;
    transition: all 0.3s;
}

.form-group input:focus + label,
.form-group input:not(:placeholder-shown) + label,
.form-group textarea:focus + label,
.form-group textarea:not(:placeholder-shown) + label {
    top: -0.75rem;
    left: 0.75rem;
    font-size: 0.875rem;
    background: var(--light-color);
    padding: 0 0.5rem;
    color: var(--primary-color);
}

/* Map Section */
.map-section {
    padding: 5rem 0;
    background: var(--light-color);
}

.map-placeholder {
    background: white;
    padding: 4rem;
    border-radius: 15px;
    text-align: center;
    border: 2px dashed var(--border-color);
}

.map-placeholder p {
    font-size: 1.25rem;
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

/* Company Info */
.company-info {
    padding: 5rem 0;
}

.info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.info-content h2 {
    font-size: 2rem;
    color: var(--dark-color);
    margin-bottom: 1rem;
}

.info-content p {
    margin-bottom: 1rem;
    line-height: 1.8;
}

.info-visual {
    height: 400px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 15px;
}

/* Values Section */
.values {
    padding: 5rem 0;
    background: var(--light-color);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.value-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s;
}

.value-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.1);
}

.value-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.value-card h3 {
    font-size: 1.25rem;
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

/* Company Details */
.company-details {
    padding: 5rem 0;
}

.details-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.detail-item {
    background: var(--light-color);
    padding: 2rem;
    border-radius: 15px;
}

.detail-item h3 {
    font-size: 1.25rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.detail-item p {
    line-height: 1.6;
}

/* Legal Content */
.legal-content {
    padding: 5rem 0;
}

.legal-text {
    max-width: 900px;
    margin: 0 auto;
    background: white;
    padding: 3rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
}

.legal-text h2 {
    font-size: 1.75rem;
    color: var(--dark-color);
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.legal-text h3 {
    font-size: 1.25rem;
    color: var(--dark-color);
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
}

.legal-text p {
    margin-bottom: 1rem;
    line-height: 1.8;
}

.legal-text ul {
    margin-bottom: 1rem;
    padding-left: 2rem;
}

.legal-text ul li {
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

.contact-info-box {
    background: var(--light-color);
    padding: 2rem;
    border-radius: 10px;
    margin-top: 1rem;
}

.contact-info-box p {
    margin-bottom: 0.5rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero .container,
    .service-detail,
    .contact-grid,
    .info-grid {
        grid-template-columns: 1fr;
    }
    
    .service-detail.reverse {
        direction: ltr;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .nav-menu {
        flex-wrap: wrap;
        gap: 1rem;
    }
    
    .hero-image {
        height: 250px;
    }
}