/* CSS Reset and Variables */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #004e33;
    --secondary-color: #a8c1d1;
    --accent-color: #ff6b35;
    --text-color: #333;
    --light-text: #fff;
    --light-bg: #f8f9fa;
    --dark-bg: #333;
    --border-radius: 8px;
    --box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --max-width: 1200px;
    --font-primary: 'Raleway', system-ui, -apple-system, sans-serif;
    --font-heading: 'Montserrat', system-ui, sans-serif;
}

/* Base Styles */
html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--text-color);
    background-color: #fff;
    overflow-x: hidden;
    font-display: swap;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 1rem;
}

p {
    margin-bottom: 1rem;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Utility Classes */
.container {
    width: 90%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 15px;
}

.required {
    color: var(--accent-color);
}

/* Enhanced Button Styles */
.btn {
    display: inline-block;
    background-color: var(--accent-color);
    color: var(--light-text);
    padding: 14px 28px;
    min-height: 44px;
    min-width: 44px;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    text-align: center;
    outline: 2px solid transparent;
    outline-offset: 2px;
    font-size: 1rem;
    touch-action: manipulation;
}

.btn:hover,
.btn:focus {
    background-color: #e55a2b;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.15);
}

.btn:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--light-text);
    color: var(--light-text);
    margin-left: 15px;
}

.btn-outline:hover {
    background-color: var(--light-text);
    color: var(--primary-color);
}

.btn-primary {
    background-color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 50px;
    width: 100%; /* Add this line */
    font-size: 1rem; /* Add this for consistency */
    font-weight: 600; /* Add this for consistency */
}


.btn-primary:hover {
    background-color: #003a27;
}

.btn-primary:disabled {
    background-color: #6c757d;
    cursor: not-allowed;
    transform: none;
}

.btn-large {
    padding: 16px 32px;
    font-size: 1.1rem;
    min-height: 52px;
}

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

.section-header h2 {
    font-size: clamp(1.8rem, 4vw, 2.2rem);
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.section-intro {
    font-size: clamp(1rem, 2.5vw, 1.1rem);
    max-width: 700px;
    margin: 1rem auto 0;
    color: #555;
}

.underline {
    height: 3px;
    width: 80px;
    background-color: var(--accent-color);
    margin: 0 auto;
}

.img-responsive {
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

/* Header Styles */
header {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    padding: 15px 0;
    transition: all 0.3s ease;
}

header.scrolled {
    padding: 10px 0;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.15);
}

.logo-container {
    display: flex;
    flex-direction: column;
}

.name {
    color: var(--primary-color);
    font-size: clamp(1.4rem, 3vw, 1.8rem);
    margin-bottom: 0;
    transition: var(--transition);
}

header.scrolled .name {
    font-size: clamp(1.2rem, 2.5vw, 1.6rem);
}

.tagline {
    color: var(--secondary-color);
    font-size: clamp(0.8rem, 2vw, 1rem);
    margin-top: -5px;
    font-style: italic;
}

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

/* Navigation Styles */
nav ul {
    display: flex;
    list-style: none;
    gap: 1.5rem;
}

nav ul li a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    transition: var(--transition);
    padding: 12px 15px;
    min-height: 44px;
    min-width: 44px;
    position: relative;
    border-radius: 4px;
    outline: 2px solid transparent;
    outline-offset: 2px;
    display: flex;
    align-items: center;
    justify-content: center;
}

nav ul li a:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

nav ul li a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    background-color: var(--accent-color);
    bottom: 2px;
    left: 50%;
    transform: translateX(-50%);
    transition: var(--transition);
}

nav ul li a:hover::after {
    width: 70%;
}

nav ul li a:hover {
    color: var(--accent-color);
}

.cta-button {
    background-color: var(--primary-color) !important;
    color: var(--light-text) !important;
    padding: 10px 18px !important;
    border-radius: var(--border-radius) !important;
}

.cta-button:hover {
    background-color: var(--accent-color) !important;
    color: var(--light-text) !important;
}

.cta-button::after {
    display: none;
}

.nav-toggle {
    display: none;
}

.nav-toggle-label {
    display: none;
}

/* Skip Navigation */
.skip-nav {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--primary-color);
    color: white;
    padding: 8px;
    text-decoration: none;
    border-radius: 4px;
    z-index: 2000;
    transition: top 0.3s;
}

.skip-nav:focus {
    top: 6px;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), 
                url('https://images.unsplash.com/photo-1581092160562-40aa08e78837?ixlib=rb-4.0.3&auto=format&fit=crop&w=1200&q=80');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    display: flex;
    align-items: center;
    color: var(--light-text);
    position: relative;
}

.hero-content {
    max-width: 600px;
    animation: fadeInUp 1s ease;
}

.hero h2 {
    font-size: clamp(2rem, 5vw, 3rem);
    margin-bottom: 1.5rem;
}

.hero p {
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Contact Banner */
.contact-banner {
    background: linear-gradient(135deg, var(--primary-color), #006644);
    color: var(--light-text);
    padding: 20px 0;
}

.contact-info-quick {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.quick-contact-item {
    display: flex;
    align-items: center;
    gap: 10px;
    min-height: 44px;
}

.quick-contact-item i {
    font-size: 1.2rem;
    color: var(--accent-color);
}

.contact-quick-link {
    color: var(--light-text);
    text-decoration: none;
    transition: var(--transition);
    padding: 4px;
    border-radius: 4px;
}

.contact-quick-link:hover {
    color: var(--accent-color);
}

/* About Section */
#about {
    padding: 80px 0;
    background-color: var(--light-bg);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-text {
    font-size: 1.1rem;
}

.about-image img {
    transition: transform 0.5s ease;
    width: 100%;
    height: 400px;
    object-fit: cover;
}

.about-image:hover img {
    transform: scale(1.03);
}

.about-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin: 25px 0;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 10px;
}

.feature-item i {
    color: var(--primary-color);
    font-size: 1.1rem;
}

.stats-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 2rem;
}

.stat-item {
    text-align: center;
    padding: 25px;
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

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

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.stat-label {
    font-size: 1rem;
    color: var(--text-color);
    font-weight: 500;
}

/* Certifications Section */
.certifications-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
}

.certifications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.certification-card {
    background: white;
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-align: center;
    transition: var(--transition);
    border-top: 4px solid var(--accent-color);
}

.certification-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.cert-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.certification-card h3 {
    color: var(--primary-color);
    font-size: 1.3rem;
    margin-bottom: 15px;
}

.certification-card p {
    color: #666;
    line-height: 1.6;
}

/* Services Section */
#services {
    padding: 80px 0;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.service-card {
    background-color: white;
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-align: center;
    transition: var(--transition);
    border-bottom: 3px solid transparent;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 107, 53, 0.1), transparent);
    transition: left 0.5s;
}

.service-card:hover::before {
    left: 100%;
}

.service-card:hover {
    transform: translateY(-10px);
    border-bottom: 3px solid var(--accent-color);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.service-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
    transition: var(--transition);
}

.service-card:hover .service-icon {
    color: var(--accent-color);
    transform: scale(1.1);
}

.service-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.service-card p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 20px;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    margin-top: 15px;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    outline: 2px solid transparent;
    outline-offset: 2px;
    padding: 8px 12px;
    border-radius: 4px;
    min-height: 44px;
    min-width: 44px;
}

.service-link:focus {
    outline: 2px solid var(--accent-color);
}

.service-link:hover {
    color: var(--accent-color);
}

.service-link:hover i {
    transform: translateX(5px);
}

/* Products Section */
#products {
    padding: 80px 0;
    background-color: var(--light-bg);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.product-card {
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    overflow: hidden;
    transition: var(--transition);
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.product-image {
    width: 100%;
    height: 220px;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.product-card:hover .product-image {
    transform: scale(1.05);
}

.product-card h3,
.product-card p {
    padding: 0 25px;
}

.product-card h3 {
    color: var(--primary-color);
    font-size: 1.2rem;
    margin: 20px 25px 10px 25px;
}

.product-card p {
    color: #666;
    padding-bottom: 25px;
    margin-bottom: 0;
}

/* Gallery Button */
.gallery-button-container {
    text-align: center;
    margin-top: 40px;
}

.gallery-button {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
    padding: 15px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    min-height: 44px;
}

.gallery-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
}

.button-icon {
    background: rgba(255, 255, 255, 0.2);
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.gallery-button:hover .button-icon {
    background: rgba(255, 255, 255, 0.3);
    transform: translateX(3px);
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--primary-color), #006644);
    color: var(--light-text);
    padding: 80px 0;
    text-align: center;
    position: relative;
}

.cta-section::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="25" cy="25" r="1" fill="white" opacity="0.1"/><circle cx="75" cy="75" r="1" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.cta-content {
    position: relative;
    z-index: 1;
}

.cta-content h2 {
    font-size: clamp(1.8rem, 4vw, 2.2rem);
    margin-bottom: 15px;
}

.cta-content p {
    font-size: clamp(1rem, 2.5vw, 1.1rem);
    margin-bottom: 30px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* Testimonials Section */
.testimonials-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.testimonial-card {
    background: white;
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    border-left: 4px solid var(--accent-color);
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.rating {
    display: flex;
    gap: 2px;
    margin-bottom: 15px;
}

.rating i {
    color: #ffc107;
    font-size: 1rem;
}

.testimonial-content p {
    font-style: italic;
    color: #555;
    font-size: 1.1rem;
    line-height: 1.7;
}

.testimonial-author {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid #eee;
}

.testimonial-author h4 {
    color: var(--primary-color);
    margin-bottom: 5px;
}

.testimonial-author span {
    color: #777;
    font-size: 0.9rem;
}

/* Contact Section */
#contact {
    padding: 80px 0;
    background-color: var(--light-bg);
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 50px;
    margin-top: 40px;
}

.contact-info h3 {
    font-size: 1.5rem;
    margin-bottom: 25px;
    color: var(--primary-color);
}

.info-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 25px;
    min-height: 44px;
}

.info-item i {
    font-size: 1.2rem;
    color: var(--accent-color);
    margin-top: 3px;
    width: 20px;
    min-width: 20px;
}

.info-item p {
    margin: 0 0 5px 0;
    color: #444;
}

.contact-link {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
    padding: 2px 4px;
    border-radius: 4px;
}

.contact-link:hover {
    color: var(--accent-color);
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 30px;
    flex-wrap: wrap;
}

.social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    text-decoration: none;
    transition: var(--transition);
    outline: 2px solid transparent;
    outline-offset: 2px;
}

.social-icon:hover {
    background-color: var(--accent-color);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.social-icon:focus {
    outline: 2px solid var(--accent-color);
}

/* Enhanced Form Styles */
.contact-form {
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 35px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--primary-color);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    min-height: 44px;
    border: 2px solid #ddd;
    border-radius: var(--border-radius);
    font-size: 15px;
    transition: var(--transition);
    outline: none;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 78, 51, 0.1);
}

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

.error-message {
    color: #dc3545;
    font-size: 0.875rem;
    margin-top: 5px;
    display: block;
    min-height: 1.2em;
}

.form-group input.error,
.form-group textarea.error,
.form-group select.error {
    border-color: #dc3545;
    background-color: #fff5f5;
}

.form-message {
    padding: 15px;
    margin-bottom: 20px;
    border-radius: var(--border-radius);
    font-weight: 500;
    display: none;
}

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

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

/* Footer Styles */
footer {
    background: linear-gradient(135deg, var(--dark-bg), #222);
    color: var(--light-text);
    padding: 50px 0 20px;
}

.footer-main {
    margin-bottom: 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

.footer-about h3,
.footer-contact h4,
.footer-services h4,
.footer-links h4 {
    margin-bottom: 20px;
    color: var(--accent-color);
}

.footer-contact p,
.footer-about p {
    margin-bottom: 10px;
    opacity: 0.9;
}

.footer-contact i {
    margin-right: 10px;
    color: var(--accent-color);
    width: 20px;
}

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

.footer-services li,
.footer-links li {
    margin-bottom: 8px;
    opacity: 0.9;
}

.footer-links a {
    color: var(--light-text);
    text-decoration: none;
    transition: var(--transition);
    padding: 4px 8px;
    border-radius: 4px;
}

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

.footer-certifications {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 15px;
}

.cert-badge {
    background: var(--primary-color);
    color: white;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 500;
}

.footer-bottom {
    border-top: 1px solid #555;
    padding-top: 25px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
    opacity: 0.8;
}

.footer-social {
    display: flex;
    gap: 15px;
}

.footer-social a {
    color: var(--light-text);
    font-size: 1.2rem;
    transition: var(--transition);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
}

.footer-social a:hover {
    background: var(--accent-color);
    transform: translateY(-2px);
}

/* Back to Top Button */
#back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: linear-gradient(135deg, var(--accent-color), #e55a2b);
    color: var(--light-text);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    z-index: 1000;
    border: none;
    outline: 2px solid transparent;
    outline-offset: 2px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

#back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

#back-to-top:focus {
    outline: 2px solid white;
}

/* Performance Optimizations */
.lazy-image {
    opacity: 0;
    transition: opacity 0.3s;
}

.lazy-image.loaded {
    opacity: 1;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
    
    .about-content {
        gap: 30px;
    }
    
    .contact-container {
        gap: 30px;
    }
    
    .certifications-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
}

@media (max-width: 768px) {
    /* Mobile Navigation */
    .nav-toggle-label {
        display: block;
        height: 22px;
        width: 26px;
        position: relative;
        cursor: pointer;
    }
    
    .nav-toggle-label span,
    .nav-toggle-label span::before,
    .nav-toggle-label span::after {
        display: block;
        height: 2px;
        width: 100%;
        background-color: var(--text-color);
        position: absolute;
        transition: all 0.3s ease;
    }
    
    .nav-toggle-label span::before,
    .nav-toggle-label span::after {
        content: '';
    }
    
    .nav-toggle-label span::before {
        top: -7px;
    }
    
    .nav-toggle-label span::after {
        top: 7px;
    }
    
    .nav-toggle:checked + .nav-toggle-label span {
        background: transparent;
    }
    
    .nav-toggle:checked + .nav-toggle-label span::before {
        transform: rotate(45deg);
        top: 0;
    }
    
    .nav-toggle:checked + .nav-toggle-label span::after {
        transform: rotate(-45deg);
        top: 0;
    }
    
    nav ul {
        position: fixed;
        top: 100%;
        left: 0;
        background-color: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        width: 100%;
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        transition: all 0.3s ease;
        flex-direction: column;
        padding: 30px 20px;
        box-shadow: 0 5px 25px rgba(0, 0, 0, 0.15);
        gap: 0;
    }
    
    .nav-toggle:checked ~ ul {
        opacity: 1;
        pointer-events: auto;
        transform: translateY(0);
    }
    
    nav ul li {
        margin: 10px 0;
        width: 100%;
    }
    
    nav ul li a {
        display: block;
        padding: 15px;
        text-align: center;
        border-radius: var(--border-radius);
        width: 100%;
    }

    /* Mobile Sections */
    .hero {
        background-attachment: scroll;
        padding: 20px 0;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .stats-container {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .services-grid,
    .products-grid,
    .testimonials-grid,
    .certifications-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-container {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }
    
    .btn-outline {
        margin-left: 0;
    }
    
    .contact-form {
        padding: 25px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
    
    .contact-info-quick {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        width: 95%;
        padding: 0 10px;
    }
    
    .hero h2 {
        font-size: 1.8rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .service-card,
    .product-card,
    .testimonial-card,
    .certification-card {
        padding: 20px;
    }
    
    .stats-container {
        gap: 10px;
    }
    
    .stat-item {
        padding: 20px;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .contact-form {
        padding: 20px;
    }
    
    #back-to-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
    }
}

/* Performance and Accessibility Enhancements */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus indicators for keyboard navigation */
.keyboard-navigation *:focus {
    outline: 2px solid var(--accent-color) !important;
    outline-offset: 2px !important;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    }
    
    .btn {
        border: 2px solid currentColor;
    }
}

/* Print styles */
@media print {
    .hero,
    .cta-section,
    #back-to-top,
    .nav-toggle-label,
    .social-links {
        display: none;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
    }
    
    .container {
        width: 100%;
        max-width: none;
    }
}