/* CSS Variables */
:root {
    --primary-color: #1F7A3D;
    --secondary-color: #59A96A;
    --accent-color: #F2F7F2;
    --text-color: #333;
    --text-light: #666;
    --white: #ffffff;
    --border-color: #e1e1e1;
    --shadow: 0 2px 10px rgba(0,0,0,0.1);
    --shadow-hover: 0 4px 20px rgba(0,0,0,0.15);
    --border-radius: 8px;
    --transition: all 0.3s ease;
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --max-width: 1200px;
    --header-height: 80px;
}

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

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--text-color);
    overflow-x: hidden;
}

html {
    scroll-behavior: smooth;
}

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

/* Utility Classes */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    line-height: 1;
}

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

.btn-primary:hover {
    background-color: #1a6835;
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.btn-secondary {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

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

.btn-outline {
    background-color: transparent;
    color: var(--secondary-color);
    border: 1px solid var(--secondary-color);
    padding: 8px 16px;
    font-size: 0.875rem;
}

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

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--white);
    box-shadow: var(--shadow);
    z-index: 1000;
    height: var(--header-height);
}

.nav {
    height: 100%;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
}

.nav-logo img {
    height: 40px;
    width: auto;
}

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

.nav-link {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    padding: 0.5rem 0;
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: var(--transition);
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.nav-toggle-line {
    width: 25px;
    height: 3px;
    background-color: var(--text-color);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-container {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
}

.hero-content {
    max-width: 600px;
    text-align: center;
    margin: 0 auto;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 1.5rem;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--white);
    margin-bottom: 2.5rem;
    text-shadow: 0 1px 2px rgba(0,0,0,0.3);
}

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

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(31, 122, 61, 0.8) 0%, rgba(89, 169, 106, 0.6) 100%);
    z-index: 2;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Main Sections */
section {
    padding: 5rem 0;
}

.about {
    background-color: var(--accent-color);
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    align-items: start;
}

.about-text p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--text-light);
}

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

.feature-card {
    background-color: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.feature-icon {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

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

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

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

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

.product-image {
    height: 250px;
    overflow: hidden;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

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

.product-content {
    padding: 2rem;
}

.product-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.product-description {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

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

.product-features li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-light);
    font-size: 0.9rem;
}

.product-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-weight: bold;
}

/* Services */
.services {
    background-color: var(--accent-color);
}

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

.service-item {
    background-color: var(--white);
    padding: 2.5rem 2rem;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.service-icon {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.service-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.service-description {
    color: var(--text-light);
    line-height: 1.6;
}

/* Why Us */
.why-us-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.why-us-item {
    text-align: center;
    padding: 2rem;
}

.why-us-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 1rem;
    line-height: 1;
}

.why-us-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

.why-us-text {
    color: var(--text-light);
    font-size: 0.95rem;
}

.disclaimer {
    text-align: center;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

/* Testimonials */
.testimonials {
    background-color: var(--accent-color);
}

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

.testimonial-card {
    background-color: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.testimonial-rating {
    margin-bottom: 1rem;
}

.star {
    color: #ffd700;
    font-size: 1.2rem;
}

.testimonial-text {
    font-style: italic;
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.testimonial-author strong {
    color: var(--primary-color);
    font-weight: 600;
}

.testimonial-author span {
    color: var(--text-light);
    font-size: 0.9rem;
}

/* FAQ */
.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background-color: var(--white);
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
    box-shadow: var(--shadow);
}

.faq-question {
    width: 100%;
    padding: 1.5rem;
    border: none;
    background: none;
    text-align: left;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary-color);
    transition: var(--transition);
}

.faq-question:hover {
    background-color: var(--accent-color);
}

.faq-question:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.faq-icon {
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--secondary-color);
    transition: var(--transition);
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 200px;
}

.faq-answer p {
    padding: 0 1.5rem 1.5rem;
    color: var(--text-light);
    line-height: 1.6;
}

/* Contact */
.contact {
    background-color: var(--accent-color);
}

.contact-container {
    max-width: 600px;
    margin: 0 auto;
}

.contact-form-wrapper {
    background-color: var(--white);
    padding: 3rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.contact-form-wrapper h3 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 2rem;
    text-align: center;
}

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

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(31, 122, 61, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.contact-info {
    text-align: center;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.contact-email {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

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

/* Footer */
.footer {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 3rem 0 1rem;
}

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

.footer-section h4 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

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

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

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

.footer-links a:hover {
    color: var(--white);
    text-decoration: underline;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.footer-legal {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.legal-link {
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: underline;
    cursor: pointer;
    font-size: 0.9rem;
    transition: var(--transition);
}

.legal-link:hover {
    color: var(--white);
}

.footer-copyright {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
}

/* Success Message */
.success-message {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.success-message.show {
    opacity: 1;
    visibility: visible;
}

.success-content {
    background-color: var(--white);
    padding: 3rem;
    border-radius: var(--border-radius);
    text-align: center;
    max-width: 400px;
    margin: 0 20px;
    box-shadow: var(--shadow-hover);
}

.success-icon {
    width: 60px;
    height: 60px;
    background-color: var(--secondary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: bold;
    margin: 0 auto 1.5rem;
}

.success-content h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.success-content p {
    color: var(--text-light);
    margin-bottom: 2rem;
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.modal.show {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background-color: var(--white);
    border-radius: var(--border-radius);
    max-width: 600px;
    max-height: 80vh;
    margin: 0 20px;
    overflow: hidden;
    box-shadow: var(--shadow-hover);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    background-color: var(--accent-color);
}

.modal-header h3 {
    color: var(--primary-color);
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: 2rem;
    color: var(--text-light);
    cursor: pointer;
    padding: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: var(--transition);
}

.modal-close:hover {
    background-color: var(--border-color);
    color: var(--text-color);
}

.modal-body {
    padding: 2rem;
    overflow-y: auto;
    max-height: calc(80vh - 100px);
}

/* Mobile Styles */
@media (max-width: 768px) {
    :root {
        --header-height: 70px;
    }

    .nav-menu {
        position: fixed;
        top: var(--header-height);
        left: -100%;
        width: 100%;
        height: calc(100vh - var(--header-height));
        background-color: var(--white);
        transition: var(--transition);
        box-shadow: var(--shadow);
    }

    .nav-menu.show {
        left: 0;
    }

    .nav-list {
        flex-direction: column;
        padding: 2rem;
        gap: 0;
    }

    .nav-item {
        border-bottom: 1px solid var(--border-color);
    }

    .nav-link {
        display: block;
        padding: 1rem 0;
    }

    .nav-toggle {
        display: flex;
    }

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

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

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

    .section-title {
        font-size: 2rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .products-grid {
        grid-template-columns: 1fr;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .why-us-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }

    .testimonials-grid {
        grid-template-columns: 1fr;
    }

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

    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .contact-form-wrapper {
        padding: 2rem;
    }

    section {
        padding: 3rem 0;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .why-us-grid {
        grid-template-columns: 1fr;
    }

    .why-us-number {
        font-size: 2.5rem;
    }

    .contact-form-wrapper {
        padding: 1.5rem;
    }

    .footer-legal {
        flex-direction: column;
        gap: 0.5rem;
    }
}

/* Performance Optimizations */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }
}

/* Focus Styles for Accessibility */
*:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

button:focus,
a:focus,
input:focus,
select:focus,
textarea:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Print Styles */
@media print {
    .header,
    .nav-toggle,
    .hero-buttons,
    .btn,
    .contact-form,
    .footer {
        display: none !important;
    }

    body {
        font-size: 12pt;
        line-height: 1.4;
    }

    .section-title {
        font-size: 18pt;
        color: #000 !important;
    }

    .container {
        max-width: 100% !important;
        padding: 0 !important;
    }
}