:root {
    --primary: #2196f3;
    --secondary: #bbdefb;
    --accent: #ffb300;
    --text-dark: #1a1a1a;
    --text-light: #666;
    --white: #ffffff;
    --light-bg: #f8f9fa;
    --border: #e0e0e0;
    --shadow: 0 2px 20px rgba(0,0,0,0.1);
    --shadow-light: 0 1px 10px rgba(0,0,0,0.05);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --border-radius: 8px;
    --max-width: 1200px;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background: var(--white);
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

.header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-light);
    z-index: 1000;
    transition: var(--transition);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    max-width: var(--max-width);
    margin: 0 auto;
}

.nav-brand h1 {
    color: var(--primary);
    font-size: 1.5rem;
    font-weight: 700;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
}

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

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    margin: 3px 0;
    transition: var(--transition);
}

.hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
    min-height: 100vh;
    padding: var(--spacing-xl) var(--spacing-md);
    max-width: var(--max-width);
    margin: 0 auto;
}

.hero-content h2 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
    line-height: 1.2;
}

.hero-content p {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: var(--spacing-md);
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.hero-image {
    position: relative;
}

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

.hero-image img:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(0,0,0,0.15);
}

.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    text-align: center;
    transition: var(--transition);
    border: 2px solid transparent;
    cursor: pointer;
    font-size: 1rem;
    white-space: nowrap;
}

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

.btn-primary:hover {
    background: #1976d2;
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.btn-secondary {
    background: var(--secondary);
    color: var(--text-dark);
}

.btn-secondary:hover {
    background: #90caf9;
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    border-color: var(--primary);
    color: var(--primary);
}

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

.stats {
    background: var(--light-bg);
    padding: var(--spacing-xl) var(--spacing-md);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    text-align: center;
}

.stat-item {
    padding: var(--spacing-md);
}

.stat-number {
    display: block;
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: var(--spacing-xs);
}

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

.about {
    padding: var(--spacing-xl) var(--spacing-md);
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.about-text h2 {
    font-size: 2.5rem;
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
}

.about-text p {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: var(--spacing-sm);
}

.about-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.feature {
    padding: var(--spacing-sm);
    border-left: 4px solid var(--accent);
}

.feature h3 {
    color: var(--primary);
    margin-bottom: var(--spacing-xs);
}

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

.services {
    background: var(--light-bg);
    padding: var(--spacing-xl) var(--spacing-md);
}

.services h2 {
    text-align: center;
    font-size: 2.5rem;
    color: var(--text-dark);
    margin-bottom: var(--spacing-xl);
}

.services-grid {
    display: grid;
    gap: var(--spacing-md);
}

.service-card {
    background: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-light);
    transition: var(--transition);
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: var(--spacing-md);
}

.service-card:nth-child(even) {
    grid-template-columns: 1fr 300px;
}

.service-card:nth-child(even) .service-image {
    order: 2;
}

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

.service-card .full-width {
    grid-column: 1 / -1;
}

.service-card:has(.full-width) {
    grid-template-columns: 1fr;
}

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.service-content {
    padding: var(--spacing-md);
}

.service-content h3 {
    color: var(--primary);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.service-content p {
    color: var(--text-light);
    margin-bottom: var(--spacing-sm);
}

.service-content ul {
    list-style: none;
    margin-bottom: var(--spacing-md);
}

.service-content li {
    position: relative;
    padding-left: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
    color: var(--text-light);
}

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

.service-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.service-features .feature h4 {
    color: var(--primary);
    margin-bottom: var(--spacing-xs);
}

.timeline-section {
    padding: var(--spacing-xl) var(--spacing-md);
}

.timeline-section h2 {
    text-align: center;
    font-size: 2.5rem;
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
}

.timeline-intro {
    text-align: center;
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: var(--spacing-xl);
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--secondary);
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    margin-bottom: var(--spacing-lg);
    opacity: 0;
    transform: translateY(30px);
    transition: var(--transition);
}

.timeline-item.visible {
    opacity: 1;
    transform: translateY(0);
}

.timeline-item:nth-child(odd) .timeline-content {
    margin-right: 50%;
    padding-right: var(--spacing-md);
    text-align: right;
}

.timeline-item:nth-child(even) .timeline-content {
    margin-left: 50%;
    padding-left: var(--spacing-md);
}

.timeline-marker {
    position: absolute;
    left: 50%;
    top: 0;
    width: 20px;
    height: 20px;
    background: var(--primary);
    border: 4px solid var(--white);
    border-radius: 50%;
    transform: translateX(-50%);
    z-index: 2;
    transition: var(--transition);
}

.timeline-item:hover .timeline-marker {
    background: var(--accent);
    transform: translateX(-50%) scale(1.2);
}

.timeline-content {
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    position: relative;
}

.timeline-content::before {
    content: '';
    position: absolute;
    top: 10px;
    width: 0;
    height: 0;
    border: 10px solid transparent;
}

.timeline-item:nth-child(odd) .timeline-content::before {
    right: -20px;
    border-left-color: var(--white);
}

.timeline-item:nth-child(even) .timeline-content::before {
    left: -20px;
    border-right-color: var(--white);
}

.timeline-content h3 {
    color: var(--primary);
    margin-bottom: var(--spacing-xs);
}

.timeline-item::before {
    content: attr(data-year);
    position: absolute;
    left: 50%;
    top: -10px;
    background: var(--accent);
    color: var(--white);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    font-weight: bold;
    font-size: 0.9rem;
    transform: translateX(-50%);
    z-index: 3;
}

.case-studies {
    background: var(--light-bg);
    padding: var(--spacing-xl) var(--spacing-md);
}

.case-studies h2 {
    text-align: center;
    font-size: 2.5rem;
    color: var(--text-dark);
    margin-bottom: var(--spacing-xl);
}

.case-studies-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-md);
}

.case-study {
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    transition: var(--transition);
}

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

.case-study h3 {
    color: var(--primary);
    font-size: 1.3rem;
    margin-bottom: var(--spacing-sm);
}

.case-study p {
    color: var(--text-light);
    margin-bottom: var(--spacing-sm);
}

.case-details h4 {
    color: var(--accent);
    margin: var(--spacing-sm) 0 var(--spacing-xs);
}

.team {
    padding: var(--spacing-xl) var(--spacing-md);
}

.team h2 {
    text-align: center;
    font-size: 2.5rem;
    color: var(--text-dark);
    margin-bottom: var(--spacing-xl);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.team-member {
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    overflow: hidden;
    transition: var(--transition);
}

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

.member-info {
    padding: var(--spacing-md);
}

.member-info h3 {
    color: var(--primary);
    margin-bottom: var(--spacing-xs);
}

.member-title {
    color: var(--accent);
    font-weight: 600;
    display: block;
    margin-bottom: var(--spacing-sm);
}

.member-info p {
    color: var(--text-light);
}

.testimonials {
    background: var(--light-bg);
    padding: var(--spacing-xl) var(--spacing-md);
}

.testimonials h2 {
    text-align: center;
    font-size: 2.5rem;
    color: var(--text-dark);
    margin-bottom: var(--spacing-xl);
}

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

.testimonial {
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    border-left: 4px solid var(--primary);
    transition: var(--transition);
}

.testimonial:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.testimonial p {
    font-style: italic;
    color: var(--text-light);
    margin-bottom: var(--spacing-sm);
    font-size: 1.1rem;
}

.testimonial cite {
    font-style: normal;
}

.testimonial .name {
    color: var(--primary);
    font-weight: 600;
    display: block;
}

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

.trust {
    padding: var(--spacing-xl) var(--spacing-md);
}

.trust h2 {
    text-align: center;
    font-size: 2.5rem;
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
}

.trust-content p {
    text-align: center;
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.certifications {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.cert-item {
    text-align: center;
    padding: var(--spacing-md);
    background: var(--light-bg);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.cert-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-light);
}

.cert-item h3 {
    color: var(--primary);
    margin-bottom: var(--spacing-sm);
}

.cert-item p {
    color: var(--text-light);
}

.contact {
    background: var(--light-bg);
    padding: var(--spacing-xl) var(--spacing-md);
}

.contact h2 {
    text-align: center;
    font-size: 2.5rem;
    color: var(--text-dark);
    margin-bottom: var(--spacing-xl);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    max-width: 1000px;
    margin: 0 auto;
}

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

.contact-info address {
    font-style: normal;
    color: var(--text-light);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.contact-details {
    display: grid;
    gap: var(--spacing-md);
}

.contact-item h4 {
    color: var(--text-dark);
    margin-bottom: var(--spacing-xs);
}

.contact-item a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    display: block;
    margin-bottom: var(--spacing-xs);
}

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

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

.contact-form {
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
}

.contact-form h3 {
    color: var(--primary);
    margin-bottom: var(--spacing-md);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

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

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

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(33, 150, 243, 0.1);
}

.form-group.error input,
.form-group.error select,
.form-group.error textarea {
    border-color: #f44336;
}

.error-message {
    color: #f44336;
    font-size: 0.9rem;
    margin-top: var(--spacing-xs);
    display: block;
}

.footer {
    background: var(--text-dark);
    color: var(--white);
    padding: var(--spacing-xl) var(--spacing-md) var(--spacing-md);
}

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

.footer-section h3,
.footer-section h4 {
    color: var(--white);
    margin-bottom: var(--spacing-sm);
}

.footer-section p {
    color: #ccc;
    line-height: 1.6;
}

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

.footer-section ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-section ul a {
    color: #ccc;
    text-decoration: none;
    transition: var(--transition);
}

.footer-section ul a:hover {
    color: var(--primary);
}

.footer-bottom {
    border-top: 1px solid #333;
    padding-top: var(--spacing-sm);
    text-align: center;
    color: #ccc;
}

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

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

.modal-content {
    background: var(--white);
    border-radius: var(--border-radius);
    max-width: 600px;
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
    margin: var(--spacing-sm);
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-close {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    font-size: 2rem;
    cursor: pointer;
    color: var(--text-light);
    transition: var(--transition);
    z-index: 1;
}

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

#modal-body {
    padding: var(--spacing-xl) var(--spacing-md) var(--spacing-md);
}

.cookie-consent {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--white);
    box-shadow: 0 -2px 20px rgba(0,0,0,0.1);
    padding: var(--spacing-md);
    z-index: 1500;
    transform: translateY(100%);
    transition: var(--transition);
}

.cookie-consent.show {
    transform: translateY(0);
}

.cookie-content {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.cookie-content p {
    flex: 1;
    margin: 0;
    color: var(--text-light);
}

.cookie-buttons {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.cookie-link {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
    padding: var(--spacing-sm);
}

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

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: var(--spacing-md);
        box-shadow: var(--shadow);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }

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

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

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

    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }

    .hero {
        grid-template-columns: 1fr;
        text-align: center;
        padding: var(--spacing-lg) var(--spacing-sm);
    }

    .hero-image {
        order: -1;
        max-width: 400px;
        margin: 0 auto;
    }

    .about-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .service-card {
        grid-template-columns: 1fr;
    }

    .service-card:nth-child(even) {
        grid-template-columns: 1fr;
    }

    .service-card:nth-child(even) .service-image {
        order: 0;
    }

    .timeline::before {
        left: 20px;
    }

    .timeline-item:nth-child(odd) .timeline-content,
    .timeline-item:nth-child(even) .timeline-content {
        margin-left: 50px;
        margin-right: 0;
        padding-left: var(--spacing-md);
        padding-right: var(--spacing-md);
        text-align: left;
    }

    .timeline-marker {
        left: 20px;
    }

    .timeline-item::before {
        left: 20px;
    }

    .timeline-content::before {
        left: -20px;
        border-right-color: var(--white);
        border-left-color: transparent;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .cookie-content {
        flex-direction: column;
        text-align: center;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 300px;
    }

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

    .about-features {
        grid-template-columns: 1fr;
    }

    .service-features {
        grid-template-columns: 1fr;
    }
}

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

    html {
        scroll-behavior: auto;
    }
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}