/* Professional Blue-Gray Color Palette */
:root {
    --primary-blue: #1e3a8a;
    --secondary-blue: #3b82f6;
    --light-blue: #dbeafe;
    --dark-blue: #1e40af;
    --accent-blue: #60a5fa;
    
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    --info: #3b82f6;
    --purple: #8b5cf6;
    
    --white: #ffffff;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1);
}

/* 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, sans-serif;
    line-height: 1.6;
    color: var(--gray-800);
    background: var(--white);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: transparent;
    transition: all 0.3s ease;
    padding: 1rem 0;
}

.navbar.scrolled {
    background: rgba(30, 58, 138, 0.95);
    backdrop-filter: blur(10px);
    padding: 0.5rem 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-brand {
    display: flex;
    align-items: center;
    color: white;
    font-weight: 700;
}

.nav-logo {
    font-size: 2rem;
    margin-right: 0.75rem;
}

.nav-title {
    font-size: 1.5rem;
    margin-right: 0.5rem;
}

.nav-subtitle {
    font-size: 0.875rem;
    opacity: 0.8;
    font-weight: 500;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: var(--light-blue);
}

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

/* Language Selector */
.language-selector {
    position: relative;
}

.btn-language {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 0.5rem 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    border-radius: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-language:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
}

.language-dropdown {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    background: white;
    border-radius: 0.5rem;
    box-shadow: var(--shadow-xl);
    padding: 0.5rem;
    min-width: 180px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1000;
}

.language-dropdown.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.language-option {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
    padding: 0.75rem 1rem;
    background: transparent;
    border: none;
    border-radius: 0.375rem;
    color: var(--gray-700);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: left;
}

.language-option:hover {
    background: var(--gray-100);
    color: var(--primary-blue);
}

.flag-icon {
    font-size: 1.25rem;
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 0.5rem;
    font-size: 0.875rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
    justify-content: center;
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1rem;
}

.btn-x-large {
    padding: 1.25rem 2.5rem;
    font-size: 1.125rem;
}

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

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

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

.btn-white:hover {
    background: var(--gray-100);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

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

.btn-outline-white {
    background: transparent;
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.5);
}

.btn-outline-white:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: white;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    color: white;
    padding: 120px 0 0 0;
    position: relative;
    overflow: hidden;
    min-height: 100vh;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    min-height: 80vh;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    line-height: 1.1;
}

.gradient-text {
    background: linear-gradient(45deg, #ffffff, var(--light-blue));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--light-blue);
}

.hero-description {
    font-size: 1.125rem;
    line-height: 1.7;
    margin-bottom: 2rem;
    color: rgba(255, 255, 255, 0.9);
}

.hero-actions {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

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

.hero-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 1.5rem;
    padding: 2.5rem;
    text-align: center;
    max-width: 350px;
    width: 100%;
}

.hero-icon {
    font-size: 5rem;
    margin-bottom: 1rem;
    color: var(--light-blue);
}

.hero-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.hero-features {
    margin-top: 2rem;
}

.feature-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
    color: rgba(255, 255, 255, 0.9);
}

/* Stats Section */
.stats-section {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding: 3rem 0;
}

.stats-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    text-align: center;
}

.stat-item h3 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    color: white;
}

.stat-item p {
    font-size: 1rem;
    color: var(--light-blue);
    font-weight: 500;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: rgba(255, 255, 255, 0.8);
}

.scroll-mouse {
    width: 24px;
    height: 40px;
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 12px;
    margin: 0 auto 1rem;
    position: relative;
}

.scroll-mouse::before {
    content: '';
    position: absolute;
    top: 6px;
    left: 50%;
    width: 2px;
    height: 6px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 1px;
    transform: translateX(-50%);
    animation: scroll-animation 1.5s infinite;
}

@keyframes scroll-animation {
    0%, 20% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    100% {
        opacity: 0;
        transform: translateX(-50%) translateY(10px);
    }
}

/* Section Styles */
.section-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

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

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.25rem;
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto;
}

/* Services Section */
.services-section {
    padding: 6rem 0;
    background: var(--gray-50);
}

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

.service-card {
    background: white;
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    position: relative;
}

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

.service-card.featured {
    border: 2px solid var(--purple);
    position: relative;
}

.featured-badge {
    position: absolute;
    top: -10px;
    right: 20px;
    background: var(--purple);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 1rem;
    font-size: 0.75rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.service-icon {
    width: 80px;
    height: 80px;
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    background: var(--primary-blue);
    color: white;
}

.service-icon span {
    font-size: 2.5rem;
}

.service-icon.success {
    background: var(--success);
}

.service-icon.warning {
    background: var(--warning);
}

.service-icon.info {
    background: var(--info);
}

.service-icon.secondary {
    background: var(--gray-600);
}

.service-icon.purple {
    background: var(--purple);
}

.service-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 1rem;
}

.service-card p {
    color: var(--gray-600);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.service-features {
    list-style: none;
}

.service-features li {
    display: flex;
    align-items: center;
    margin-bottom: 0.75rem;
    color: var(--gray-700);
}

.service-features .mdi {
    color: var(--success);
    margin-right: 0.5rem;
    font-size: 1.25rem;
}

/* Technology Section */
.tech-section {
    padding: 6rem 0;
    background: white;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.tech-card {
    text-align: center;
    padding: 2.5rem 2rem;
    border-radius: 1rem;
    background: var(--gray-50);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.tech-card:hover {
    background: white;
    border-color: var(--light-blue);
    box-shadow: var(--shadow-lg);
}

.tech-icon {
    width: 80px;
    height: 80px;
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    background: var(--primary-blue);
    color: white;
}

.tech-icon span {
    font-size: 2.5rem;
}

.tech-icon.purple {
    background: var(--purple);
}

.tech-icon.success {
    background: var(--success);
}

.tech-icon.warning {
    background: var(--warning);
}

.tech-card h4 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 1rem;
}

.tech-card p {
    color: var(--gray-600);
    line-height: 1.6;
}

/* About Section */
.about-section {
    padding: 6rem 0;
    background: var(--gray-50);
}

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

.about-subtitle {
    font-size: 1.25rem;
    color: var(--gray-600);
    margin-bottom: 2rem;
}

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

.about-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.about-icon {
    width: 60px;
    height: 60px;
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-blue);
    color: white;
    flex-shrink: 0;
}

.about-icon span {
    font-size: 1.5rem;
}

.about-icon.success {
    background: var(--success);
}

.about-icon.warning {
    background: var(--warning);
}

.about-icon.info {
    background: var(--info);
}

.about-item-content h4 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
}

.about-item-content p {
    color: var(--gray-600);
    line-height: 1.6;
}

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

.about-image {
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.image-placeholder {
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    color: white;
    padding: 4rem 2rem;
    text-align: center;
    aspect-ratio: 4/3;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.image-placeholder .mdi {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.8;
}

.image-placeholder h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.certification-badges {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.badge-item {
    background: white;
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    color: var(--gray-700);
    border: 1px solid var(--gray-200);
}

.badge-item .mdi {
    color: var(--success);
}

/* CTA Section */
.cta-section {
    padding: 6rem 0;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    color: white;
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    color: var(--light-blue);
}

.cta-actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
}

.cta-features {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 2rem;
}

.cta-feature {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
}

.cta-feature .mdi {
    font-size: 1.25rem;
}

/* Contact Section */
.contact-section {
    padding: 6rem 0;
    background: white;
}

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

.contact-info h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 2rem;
}

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

.contact-icon {
    width: 50px;
    height: 50px;
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-blue);
    color: white;
    flex-shrink: 0;
}

.contact-icon.success {
    background: var(--success);
}

.contact-icon.warning {
    background: var(--warning);
}

.contact-icon.info {
    background: var(--info);
}

.contact-details h4 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
}

.contact-details p {
    color: var(--gray-600);
    line-height: 1.6;
}

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

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

/* Forms */
.contact-form,
.modal-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.75rem;
    border: 2px solid var(--gray-200);
    border-radius: 0.5rem;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

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

.form-submit {
    width: 100%;
    margin-top: 1rem;
}

.btn-loading {
    display: none;
}

.btn-loading .mdi-spin {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Footer */
.footer-section {
    background: var(--gray-900);
    color: white;
    padding: 4rem 0 2rem;
}

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

.footer-logo {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
}

.footer-logo .mdi {
    font-size: 2rem;
    margin-right: 0.75rem;
    color: var(--secondary-blue);
}

.footer-brand h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.footer-brand p {
    color: var(--gray-400);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

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

.social-link {
    width: 40px;
    height: 40px;
    border-radius: 0.5rem;
    background: var(--gray-800);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-400);
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: var(--secondary-blue);
    color: white;
}

.footer-links h4 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: white;
}

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

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: var(--gray-400);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: white;
}

.footer-bottom {
    border-top: 1px solid var(--gray-800);
    padding-top: 2rem;
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom p {
    color: var(--gray-400);
}

.footer-certifications {
    display: flex;
    gap: 1rem;
}

.cert-badge {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.75rem;
    background: var(--gray-800);
    border-radius: 0.25rem;
    font-size: 0.875rem;
    color: var(--gray-300);
}

.cert-badge .mdi {
    color: var(--success);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: white;
    border-radius: 1rem;
    padding: 2rem;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.modal-header h2 {
    color: var(--gray-900);
    font-size: 1.5rem;
    font-weight: 700;
}

.modal-close {
    font-size: 2rem;
    color: var(--gray-500);
    cursor: pointer;
    line-height: 1;
}

.modal-close:hover {
    color: var(--gray-700);
}

/* Back to Top */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: var(--primary-blue);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
    opacity: 0;
    visibility: hidden;
    z-index: 1000;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--dark-blue);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.back-to-top .mdi {
    font-size: 1.5rem;
}

/* Toast */
.toast {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--success);
    color: white;
    padding: 1rem 1.5rem;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: var(--shadow-lg);
    z-index: 2000;
    opacity: 0;
    transition: all 0.3s ease;
}

.toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* Counter Animation */
@keyframes countUp {
    from { opacity: 0; }
    to { opacity: 1; }
}

.counter {
    animation: countUp 0.5s ease-out;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--primary-blue);
        flex-direction: column;
        padding: 2rem;
        gap: 1rem;
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .nav-toggle {
        display: block;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 3rem;
    }
    
   .hero-title {
       font-size: 2.5rem;
   }
   
   .stats-container {
       grid-template-columns: repeat(2, 1fr);
   }
   
   .services-grid {
       grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
   }
   
   .tech-grid {
       grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
   }
   
   .about-content {
       grid-template-columns: 1fr;
       gap: 3rem;
   }
   
   .contact-grid {
       grid-template-columns: 1fr;
       gap: 3rem;
   }
   
   .footer-content {
       grid-template-columns: 1fr 1fr;
       gap: 2rem;
   }
   
   .cta-actions {
       flex-direction: column;
       align-items: center;
   }
   
   .hero-actions {
       flex-direction: column;
       align-items: center;
   }
   
   .cta-features {
       flex-direction: column;
       gap: 1rem;
   }
}

@media (max-width: 768px) {
   .hero-title {
       font-size: 2rem;
   }
   
   .section-header h2 {
       font-size: 2rem;
   }
   
   .stats-container {
       grid-template-columns: 1fr;
       gap: 1.5rem;
   }
   
   .services-grid {
       grid-template-columns: 1fr;
   }
   
   .tech-grid {
       grid-template-columns: 1fr;
   }
   
   .footer-content {
       grid-template-columns: 1fr;
       text-align: center;
   }
   
   .footer-bottom-content {
       flex-direction: column;
       gap: 1rem;
       text-align: center;
   }
   
   .footer-certifications {
       justify-content: center;
   }
   
   .about-features {
       gap: 1.5rem;
   }
   
   .nav-brand .nav-subtitle {
       display: none;
   }
   
   .language-selector {
       order: -1;
   }
   
   .btn-language {
       padding: 0.5rem 0.75rem;
       font-size: 0.8rem;
   }
   
   .hero-content {
       min-height: 70vh;
   }
   
   .section-container {
       padding: 0 1rem;
   }
}

@media (max-width: 480px) {
   .hero-title {
       font-size: 1.75rem;
   }
   
   .section-header h2 {
       font-size: 1.75rem;
   }
   
   .hero-actions {
       gap: 0.75rem;
   }
   
   .btn-large {
       padding: 0.875rem 1.5rem;
       font-size: 0.875rem;
   }
   
   .btn-x-large {
       padding: 1rem 1.75rem;
       font-size: 1rem;
   }
   
   .service-card,
   .tech-card {
       padding: 1.5rem;
   }
   
   .hero-card {
       padding: 2rem;
   }
   
   .modal-content {
       padding: 1.5rem;
       margin: 1rem;
   }
   
   .back-to-top {
       width: 45px;
       height: 45px;
       bottom: 1.5rem;
       right: 1.5rem;
   }
}

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

/* Accessibility */
@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;
   }
}

/* Focus Styles */
.btn:focus,
input:focus,
textarea:focus,
select:focus {
   outline: 2px solid var(--primary-blue);
   outline-offset: 2px;
}

/* Print Styles */
@media print {
   .navbar,
   .back-to-top,
   .modal {
       display: none !important;
   }
   
   .hero-section {
       background: white !important;
       color: black !important;
   }
}