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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #2d3748;
    background-color: #ffffff;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    color: #1a202c;
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.875rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1.125rem; }

p {
    margin-bottom: 1rem;
    color: #4a5568;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 32px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    font-size: 1rem;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.3);
}

.btn-secondary {
    background: transparent;
    color: #667eea;
    border: 2px solid #667eea;
}

.btn-secondary:hover {
    background: #667eea;
    color: white;
    transform: translateY(-2px);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.nav-brand h2 {
    font-size: 1.75rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 0;
}

.nav-subtitle {
    font-size: 0.875rem;
    color: #718096;
    margin-left: 4px;
}

.nav-menu {
    display: flex;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 2rem;
    margin: 0;
    padding: 0;
}

.nav-link {
    text-decoration: none;
    color: #4a5568;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: #667eea;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    font-size: 1.5rem;
    color: #4a5568;
    cursor: pointer;
}

/* Language Switcher */
.language-switcher {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-left: 2rem;
}

.lang-btn {
    padding: 8px 12px;
    border: 2px solid #e2e8f0;
    background: transparent;
    color: #4a5568;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.875rem;
    transition: all 0.3s ease;
    cursor: pointer;
    min-width: 45px;
    text-align: center;
}

.lang-btn:hover {
    border-color: #667eea;
    color: #667eea;
    transform: translateY(-2px);
}

.lang-btn.active {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-color: transparent;
}

.lang-separator {
    color: #cbd5e0;
    font-weight: 300;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #f7fafc 0%, #edf2f7 100%);
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

.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="10" cy="10" r="1" fill="%23667eea" opacity="0.1"/><circle cx="90" cy="90" r="1" fill="%23764ba2" opacity="0.1"/><circle cx="50" cy="30" r="1" fill="%23667eea" opacity="0.1"/><circle cx="30" cy="70" r="1" fill="%23764ba2" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.5;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 4rem;
    margin-bottom: 1rem;
    color: #1a202c;
}

.hero-title .highlight {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: #667eea;
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.hero-description {
    font-size: 1.125rem;
    color: #4a5568;
    margin-bottom: 2rem;
    line-height: 1.7;
}

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

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

.hero-graphic {
    position: relative;
    width: 400px;
    height: 400px;
}

.floating-element {
    position: absolute;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
    animation: float 3s ease-in-out infinite;
}

.element-1 {
    top: 20%;
    left: 10%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    animation-delay: 0s;
}

.element-2 {
    top: 50%;
    right: 10%;
    background: linear-gradient(135deg, #764ba2 0%, #667eea 100%);
    animation-delay: 1s;
}

.element-3 {
    bottom: 20%;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    animation-delay: 2s;
}

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

/* Section Styles */
section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.25rem;
    color: #718096;
}

/* About Section */
.about {
    background: #f7fafc;
}

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

.about-item {
    margin-bottom: 3rem;
}

.about-item h3 {
    color: #667eea;
    margin-bottom: 1rem;
}

.about-stats {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.stat-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: #667eea;
    margin-bottom: 0.5rem;
}

.stat-label {
    color: #718096;
    font-weight: 500;
}

/* Leadership Section */
.leadership {
    background: white;
}

.leader-card {
    background: #f7fafc;
    border-radius: 16px;
    padding: 3rem;
    max-width: 900px;
    margin: 0 auto;
}

.leader-header {
    text-align: center;
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 2px solid #e2e8f0;
}

.leader-name {
    font-size: 2rem;
    color: #1a202c;
    margin-bottom: 0.5rem;
}

.leader-name-en {
    font-size: 1.5rem;
    color: #667eea;
    margin-bottom: 1rem;
}

.leader-title {
    color: #718096;
    font-size: 1.125rem;
}

.leader-credentials {
    margin-bottom: 2rem;
}

.credential {
    background: white;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    margin-bottom: 0.5rem;
    color: #667eea;
    font-weight: 500;
}

.leader-bio h5,
.leader-message h5 {
    color: #1a202c;
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.leader-bio p {
    margin-bottom: 1rem;
}

.leader-message {
    margin-top: 2rem;
}

.leader-message blockquote {
    background: white;
    padding: 2rem;
    border-left: 4px solid #667eea;
    border-radius: 8px;
    font-style: italic;
    color: #4a5568;
    line-height: 1.7;
}

/* Products Section */
.products {
    background: #f7fafc;
}

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

.product-card {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    border: 1px solid #e2e8f0;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.featured-product {
    border: 2px solid #667eea;
    position: relative;
}

.featured-product::before {
    content: 'Featured';
    position: absolute;
    top: -10px;
    right: 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
}

.product-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.product-title {
    margin-bottom: 1rem;
    color: #1a202c;
}

.product-description {
    color: #4a5568;
    margin-bottom: 1.5rem;
}

.product-features ul {
    list-style: none;
    margin-bottom: 1.5rem;
}

.product-features li {
    padding: 0.5rem 0;
    color: #4a5568;
    position: relative;
    padding-left: 1.5rem;
}

.product-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #667eea;
    font-weight: bold;
}

.product-cta {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 10px 20px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

.product-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.3);
}

/* inGPT Section */
.ingpt {
    background: white;
}

.ingpt-intro,
.ingpt-solution,
.ingpt-workflow,
.ingpt-benefits,
.ingpt-use-cases {
    margin-bottom: 4rem;
}

.ingpt-intro h3,
.ingpt-solution h3,
.ingpt-workflow h3,
.ingpt-benefits h3,
.ingpt-use-cases h3 {
    color: #1a202c;
    margin-bottom: 1.5rem;
    font-size: 2rem;
}

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

.solution-item,
.benefit-item {
    background: #f7fafc;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    transition: transform 0.3s ease;
}

.solution-item:hover,
.benefit-item:hover {
    transform: translateY(-5px);
}

.solution-icon,
.benefit-item i {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    margin: 0 auto 1rem auto;
}

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

.workflow-step {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.step-number {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    flex-shrink: 0;
}

.step-content h4 {
    margin-bottom: 0.5rem;
    color: #1a202c;
}

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

.use-case {
    background: #f7fafc;
    padding: 2rem;
    border-radius: 12px;
    border-left: 4px solid #667eea;
}

.use-case h4 {
    color: #1a202c;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.use-case h4 i {
    color: #667eea;
}

/* Contact Section */
.contact {
    background: #f7fafc;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-intro h3 {
    color: #1a202c;
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

.contact-intro p {
    font-size: 1.125rem;
    color: #4a5568;
    margin-bottom: 2rem;
    line-height: 1.7;
}

.contact-features {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-feature {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 1rem;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.contact-feature i {
    width: 24px;
    height: 24px;
    color: #667eea;
    font-size: 1.2rem;
}

.contact-feature span {
    font-weight: 500;
    color: #1a202c;
}

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

.contact-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    flex-shrink: 0;
}

.contact-details h4 {
    margin-bottom: 0.5rem;
    color: #1a202c;
}

.contact-details a {
    color: #667eea;
    text-decoration: none;
}

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

/* Form Styles */
.form {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: #1a202c;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #667eea;
}

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

/* Privacy Policy */
.privacy-policy {
    background: #f7fafc;
    padding: 80px 0;
}

.privacy-content {
    max-width: 800px;
    margin: 0 auto;
}

.privacy-intro {
    margin-bottom: 3rem;
    padding: 2rem;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.privacy-intro p:first-child {
    font-weight: 600;
    color: #667eea;
    margin-bottom: 1rem;
}

.privacy-section {
    margin-bottom: 3rem;
    padding: 2rem;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.privacy-section h3 {
    color: #1a202c;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    border-bottom: 2px solid #667eea;
    padding-bottom: 0.5rem;
}

.privacy-section h4 {
    color: #2d3748;
    font-size: 1.25rem;
    margin: 1.5rem 0 1rem 0;
}

.privacy-section ul {
    margin-left: 1.5rem;
    margin-bottom: 1rem;
}

.privacy-section li {
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

.privacy-section p {
    margin-bottom: 1rem;
    line-height: 1.7;
}

/* Footer */
.footer {
    background: #1a202c;
    color: white;
    padding: 4rem 0 2rem 0;
}

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

.footer-section h3,
.footer-section h4 {
    color: white;
    margin-bottom: 1rem;
}

.footer-section p {
    color: #a0aec0;
    margin-bottom: 1rem;
}

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

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

.footer-section ul li a {
    color: #a0aec0;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #667eea;
}



.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #2d3748;
    color: #a0aec0;
}

/* Responsive Design */
@media (max-width: 768px) {
    
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(10px);
        transition: left 0.3s ease;
        padding: 2rem;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-list {
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav-toggle {
        display: block;
    }
    
    .language-switcher {
        display: none;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-graphic {
        width: 300px;
        height: 300px;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .solution-grid,
    .benefits-grid {
        grid-template-columns: 1fr;
    }
    
    .workflow-steps {
        grid-template-columns: 1fr;
    }
    
    .use-cases-grid {
        grid-template-columns: 1fr;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    .container {
        padding: 0 15px;
    }
    
    .nav-container {
        padding: 1rem 15px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
    }
}