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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #333;
    font-size: 16px;
}

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

/* Button Styles */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border: none;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 16px;
}

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

.btn-primary:hover,
.btn-primary:focus {
    background-color: #0056b3;
    transform: translateY(-1px);
}

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

.btn-secondary:hover,
.btn-secondary:focus {
    background-color: #007bff;
    color: white;
}

.btn-lg {
    padding: 16px 32px;
    font-size: 18px;
}

/* Focus Styles for Accessibility */
.btn:focus,
.nav-link:focus,
.footer-link:focus,
.contact-link:focus,
.logo-link:focus {
    outline: 2px solid #007bff;
    outline-offset: 2px;
}

/* Header Styles */
.header {
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: transform 0.3s ease-in-out;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
}

/* Logo */
.logo-link {
    text-decoration: none;
    color: #333;
}

.logo-text {
    font-size: 24px;
    font-weight: 700;
    color: #007bff;
}

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

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

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

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

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

/* Navigation */
.nav-list {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    padding: 0.5rem 0;
    transition: color 0.3s ease;
}

.nav-link:hover,
.nav-link:focus {
    color: #007bff;
}

/* Dropdown Styles */
.has-dropdown {
    position: relative;
}

.dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background-color: white;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    border-radius: 5px;
    padding: 0.5rem 0;
    min-width: 200px;
    list-style: none;
    z-index: 100;
}

.has-dropdown:hover .dropdown-menu {
    display: block;
}

.dropdown-link {
    display: block;
    padding: 0.75rem 1.5rem;
    text-decoration: none;
    color: #333;
    transition: background-color 0.3s ease;
}

.dropdown-link:hover,
.dropdown-link:focus {
    background-color: #f8f9fa;
    color: #007bff;
}

/* Main Content */
main {
    margin-top: 80px; /* Account for fixed header */
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 120px 0 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    font-weight: 700;
    line-height: 1.2;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.hero-subtitle {
    font-size: 1.375rem;
    margin-bottom: 3rem;
    opacity: 0.95;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
    opacity: 0.95;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1;
    margin-bottom: 0.5rem;
    color: #fff;
}

.stat-label {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    opacity: 0.8;
}

.hero-cta {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-primary-cta {
    background-color: #fff;
    color: #667eea;
    font-weight: 700;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transform: translateY(0);
    transition: all 0.3s ease;
}

.hero-primary-cta:hover,
.hero-primary-cta:focus {
    background-color: #f8f9fa;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    color: #5a6fd8;
}

/* Hero Background Elements */
.hero-bg-elements {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
    pointer-events: none;
}

.hero-circle {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    animation: float 6s ease-in-out infinite;
}

.hero-circle-1 {
    width: 80px;
    height: 80px;
    top: 20%;
    left: 10%;
    animation-delay: -1s;
}

.hero-circle-2 {
    width: 120px;
    height: 120px;
    top: 60%;
    right: 15%;
    animation-delay: -3s;
}

.hero-circle-3 {
    width: 60px;
    height: 60px;
    bottom: 20%;
    left: 20%;
    animation-delay: -5s;
}

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

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

.section:nth-child(even) {
    background-color: #f8f9fa;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 1rem;
    color: #333;
}

.section-subtitle {
    text-align: center;
    font-size: 1.25rem;
    color: #666;
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

.service-card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #007bff, #0056b3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
}

.service-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #333;
}

.service-description {
    color: #666;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.service-features {
    list-style: none;
    margin-bottom: 2rem;
}

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

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

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

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

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

.industry-card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.industry-card:hover {
    transform: translateY(-3px);
}

.industry-icon {
    width: 60px;
    height: 60px;
    background: #f8f9fa;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: #007bff;
}

.industry-title {
    font-size: 1.375rem;
    margin-bottom: 1rem;
    color: #333;
}

.industry-description {
    color: #666;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.industry-skills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.skill-tag {
    background: #e9ecef;
    color: #495057;
    padding: 0.375rem 0.75rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
}

/* Process Styles */
.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.process-step {
    text-align: center;
    padding: 2rem 1rem;
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #007bff, #0056b3);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 1.5rem;
}

.step-title {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: #333;
}

.step-description {
    color: #666;
    line-height: 1.6;
}

/* About Styles */
.about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-description {
    font-size: 1.125rem;
    color: #666;
    line-height: 1.7;
    margin-bottom: 2rem;
}

.about-highlights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.highlight-item {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.highlight-title {
    color: #007bff;
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.highlight-text {
    color: #666;
    line-height: 1.6;
}

.certifications {
    margin-top: 3rem;
}

.cert-title {
    margin-bottom: 1rem;
    color: #333;
}

.cert-badges {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.cert-badge {
    background: #28a745;
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 500;
    font-size: 0.875rem;
}

/* Contact Styles */
.contact-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    margin-top: 3rem;
}

.contact-form-container {
    background: white;
    padding: 3rem;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

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

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: #333;
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid #e9ecef;
    border-radius: 5px;
    font-size: 16px;
    transition: border-color 0.3s ease;
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: #007bff;
}

.form-input.error,
.form-textarea.error {
    border-color: #dc3545;
}

.error-message {
    color: #dc3545;
    font-size: 0.875rem;
    margin-top: 0.25rem;
    display: block;
}

.form-submit {
    width: 100%;
    position: relative;
}

.form-submit:disabled {
    background-color: #6c757d;
    cursor: not-allowed;
}

/* Form Success/Error States */
.form-success,
.form-error {
    text-align: center;
    padding: 2rem;
    border-radius: 10px;
    margin-top: 1rem;
}

.form-success {
    background: #d4edda;
    border: 1px solid #c3e6cb;
    color: #155724;
}

.form-error {
    background: #f8d7da;
    border: 1px solid #f5c6cb;
    color: #721c24;
}

.success-icon,
.error-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.success-title,
.error-title {
    margin-bottom: 0.5rem;
}

/* Contact Info */
.contact-info-container {
    padding: 2rem;
}

.contact-methods {
    margin-bottom: 3rem;
}

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

.contact-icon {
    width: 50px;
    height: 50px;
    background: #f8f9fa;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #007bff;
    margin-right: 1rem;
}

.contact-details h4 {
    margin-bottom: 0.25rem;
    color: #333;
}

.contact-link {
    color: #007bff;
    text-decoration: none;
    font-weight: 500;
}

.contact-link:hover {
    text-decoration: underline;
}

.response-time {
    background: #f8f9fa;
    padding: 1.5rem;
    border-radius: 10px;
    text-align: center;
}

.response-title {
    margin-bottom: 0.5rem;
    color: #333;
}

.response-text {
    color: #666;
    margin: 0;
}

/* Footer Styles */
.footer {
    background-color: #2c3e50;
    color: white;
    padding: 60px 0 20px;
}

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

.footer-logo {
    font-size: 24px;
    margin-bottom: 0.5rem;
    color: #007bff;
}

.footer-tagline {
    opacity: 0.8;
    margin-bottom: 1rem;
}

.footer-title {
    font-size: 18px;
    margin-bottom: 1rem;
    color: #007bff;
}

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

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

.footer-link {
    color: #ecf0f1;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-link:hover,
.footer-link:focus {
    color: #007bff;
}

.contact-item {
    margin-bottom: 0.75rem;
}

.contact-label {
    font-weight: 600;
    margin-right: 0.5rem;
}

.contact-link {
    color: #ecf0f1;
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-link:hover,
.contact-link:focus {
    color: #007bff;
}

/* Footer Bottom */
.footer-bottom {
    border-top: 1px solid #34495e;
    padding-top: 2rem;
}

.footer-legal {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.legal-links {
    display: flex;
    gap: 1rem;
}

.legal-link {
    color: #ecf0f1;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

.legal-link:hover,
.legal-link:focus {
    color: #007bff;
}

.copyright {
    font-size: 14px;
    opacity: 0.8;
}

/* Responsive Design - Tablet */
@media screen and (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    .header-content {
        padding: 0.75rem 0;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: white;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    }
    
    .nav.active {
        display: block;
    }
    
    .nav-list {
        flex-direction: column;
        gap: 0;
        padding: 1rem 0;
    }
    
    .nav-link {
        display: block;
        padding: 1rem 1.5rem;
        border-bottom: 1px solid #f1f1f1;
    }
    
    .dropdown-menu {
        position: static;
        display: block;
        box-shadow: none;
        background-color: #f8f9fa;
        border-radius: 0;
        margin-left: 1rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.25rem;
        margin-bottom: 2.5rem;
    }
    
    .hero-stats {
        gap: 2rem;
        margin-bottom: 2.5rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .section-subtitle {
        font-size: 1.125rem;
    }
    
    .services-grid,
    .industries-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .process-steps {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .contact-form-container {
        padding: 2rem;
    }
    
    .about-highlights {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .cert-badges {
        justify-content: center;
    }
    
    .industry-skills,
    .cert-badges {
        justify-content: center;
    }
    
    .footer-legal {
        text-align: center;
        justify-content: center;
        flex-direction: column;
    }
}

/* Responsive Design - Mobile */
@media screen and (max-width: 480px) {
    .hero {
        padding: 80px 0 60px;
    }
    
    .hero-title {
        font-size: 2rem;
        margin-bottom: 1rem;
    }
    
    .hero-subtitle {
        font-size: 1.125rem;
        margin-bottom: 2rem;
    }
    
    .hero-stats {
        gap: 1.5rem;
        margin-bottom: 2rem;
    }
    
    .stat-number {
        font-size: 1.75rem;
    }
    
    .stat-label {
        font-size: 0.75rem;
    }
    
    .hero-cta {
        gap: 1rem;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .btn {
        padding: 10px 20px;
        font-size: 14px;
    }
    
    .btn-lg {
        padding: 14px 28px;
        font-size: 16px;
    }
    
    .footer {
        padding: 40px 0 20px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

/* High contrast mode for accessibility */
@media (prefers-contrast: high) {
    .btn-primary {
        background-color: #000;
        border: 2px solid #000;
    }
    
    .btn-secondary {
        color: #000;
        border-color: #000;
    }
}