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

:root {
    --primary-blue: #0066CC;
    --dark-blue: #003d7a;
    --light-blue: #4d94ff;
    --accent-blue: #00A3FF;
    --dark-bg: #0a1929;
    --light-bg: #f5f8fa;
    --white: #ffffff;
    --text-dark: #1a1a1a;
    --text-gray: #666666;
    --gradient-primary: linear-gradient(135deg, #0066CC 0%, #00A3FF 100%);
    --gradient-dark: linear-gradient(135deg, #0a1929 0%, #1a2f45 100%);
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 8px rgba(0,0,0,0.15);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.2);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    overflow-x: hidden;
}

html {
    scroll-behavior: smooth;
}

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

/* Navigation */
.navbar {
    background: var(--white);
    box-shadow: var(--shadow-sm);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    padding: 1rem 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand h2 {
    color: var(--primary-blue);
    font-size: 1.5rem;
    font-weight: 700;
}

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

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

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

.btn-nav {
    background: var(--gradient-primary);
    color: var(--white) !important;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
}

/* Hero Section */
.hero {
    margin-top: 80px;
    background: var(--gradient-dark);
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.hero-content {
    padding: 4rem 0;
}

.hero-text {
    max-width: 800px;
}

.hero h1 {
    font-size: 3rem;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    font-weight: 700;
}

.hero h1 span {
    background: linear-gradient(135deg, #4d94ff 0%, #00D4FF 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--light-blue);
}

.hero-description {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    line-height: 1.8;
    color: rgba(255,255,255,0.9);
}

.hero-image {
    width: 100%;
    margin-top: 2rem;
}

.hero-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
}

.btn-primary {
    display: inline-block;
    background: var(--gradient-primary);
    color: var(--white);
    padding: 1rem 2.5rem;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 700;
    font-size: 1.1rem;
    transition: transform 0.3s, box-shadow 0.3s;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.section-header p {
    font-size: 1.2rem;
    color: var(--text-gray);
}

.highlight {
    color: var(--primary-blue);
}

/* AI Bot Section */
.ai-bot-section {
    padding: 6rem 0;
    background: var(--light-bg);
}

.ai-bot-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.ai-bot-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
}

.intro-text {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: var(--text-dark);
    line-height: 1.8;
}

.features-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.feature-card {
    background: var(--white);
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.feature-card .icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
    color: var(--dark-blue);
}

.feature-card p {
    color: var(--text-gray);
    font-size: 0.95rem;
}

/* Why Choose Us Section */
.why-choose-us {
    padding: 6rem 0;
    background: var(--white);
}

.benefits-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.benefits-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
}

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

.benefit-card {
    background: var(--light-bg);
    padding: 1.5rem;
    border-radius: 12px;
    border-left: 4px solid var(--primary-blue);
    transition: transform 0.3s;
}

.benefit-card:hover {
    transform: translateX(5px);
}

.benefit-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--dark-blue);
}

.benefit-card p {
    color: var(--text-gray);
}

/* Industry Solutions Section */
.industry-solutions {
    padding: 6rem 0;
    background: var(--light-bg);
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-bottom: 4rem;
}

.solution-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
}

.solution-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

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

.solution-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--dark-blue);
}

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

.solution-card li {
    color: var(--text-gray);
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.solution-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-blue);
    font-weight: bold;
}

.solutions-image {
    margin-top: 3rem;
}

.solutions-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
}

/* Core Services Section */
.core-services {
    padding: 6rem 0;
    background: var(--white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.service-item {
    background: var(--light-bg);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    transition: transform 0.3s, background 0.3s;
}

.service-item:hover {
    transform: translateY(-5px);
    background: var(--gradient-primary);
    color: var(--white);
}

.service-item:hover h3 {
    color: var(--white);
}

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

.service-item h3 {
    font-size: 1.2rem;
    color: var(--dark-blue);
}

/* CTA Section */
.cta-section {
    padding: 6rem 0;
    background: var(--gradient-primary);
    color: var(--white);
    text-align: center;
}

.cta-section h2 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.cta-text {
    font-size: 1.3rem;
    margin-bottom: 2.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.8;
}

.btn-cta {
    display: inline-block;
    background: var(--white);
    color: var(--primary-blue);
    padding: 1.25rem 3rem;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 700;
    font-size: 1.2rem;
    transition: transform 0.3s, box-shadow 0.3s;
    box-shadow: var(--shadow-lg);
}

.btn-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(0,0,0,0.3);
}

/* Contact Section */
.contact-section {
    padding: 6rem 0;
    background: var(--dark-bg);
    color: var(--white);
}

.contact-section .section-header h2,
.contact-section .section-header p {
    color: var(--white);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.contact-card {
    background: rgba(255,255,255,0.1);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.2);
}

.contact-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.contact-card a {
    color: var(--light-blue);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.contact-card a:hover {
    color: var(--accent-blue);
}

/* Footer */
.footer {
    background: #000;
    color: var(--white);
    padding: 3rem 0 1.5rem;
}

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

.footer-about h3 {
    margin-bottom: 1rem;
    color: var(--light-blue);
}

.footer-about p {
    line-height: 1.8;
    color: rgba(255,255,255,0.8);
}

.footer-links h4 {
    margin-bottom: 1rem;
    color: var(--light-blue);
}

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

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

.footer-links a:hover {
    color: var(--light-blue);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 1.5rem;
    text-align: center;
    color: rgba(255,255,255,0.6);
}

/* Responsive Design */
@media (max-width: 968px) {
    .nav-menu {
        gap: 1rem;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .ai-bot-grid,
    .benefits-container {
        grid-template-columns: 1fr;
    }
    
    .solutions-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .solutions-grid,
    .services-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .nav-menu {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .cta-section h2 {
        font-size: 2rem;
    }
}