:root {
    --primary-color: #1565C0;
    --secondary-color: #E3F2FD;
    --accent-color: #00897B;
    --text-dark: #1a1a1a;
    --text-light: #666666;
    --bg-light: #f8f9fa;
    --white: #ffffff;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-hover: 0 10px 25px rgba(0, 0, 0, 0.12);
    --transition: all 0.3s ease;
    --font-primary: 'Open Sans', sans-serif;
    --font-heading: 'Merriweather', serif;
}

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

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

body {
    font-family: var(--font-primary);
    color: var(--text-dark);
    line-height: 1.7;
    background-color: var(--white);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.3;
    color: var(--text-dark);
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

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

button {
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
}

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
    z-index: 1000;
    transition: var(--transition);
}

.nav.scrolled {
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px;
    max-width: 1400px;
    margin: 0 auto;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-logo i {
    font-size: 1.5rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 32px;
    align-items: center;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-dark);
    padding: 8px 0;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: width 0.3s ease;
}

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

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

.nav-cta {
    padding: 10px 24px;
    background-color: var(--primary-color);
    color: var(--white);
    border-radius: 6px;
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
}

.nav-cta:hover {
    background-color: #0d47a1;
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 28px;
    height: 24px;
}

.nav-toggle span {
    width: 100%;
    height: 3px;
    background-color: var(--primary-color);
    border-radius: 3px;
    transition: var(--transition);
}

.hero {
    height: 100vh;
    min-height: 700px;
    background: linear-gradient(135deg, rgba(21, 101, 192, 0.85), rgba(0, 137, 123, 0.7)),
                url('https://images.unsplash.com/photo-1554224311-beee460c201f?w=1920&h=1080&fit=crop') center/cover;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(21, 101, 192, 0.15), transparent);
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
    padding: 0 24px;
    animation: fadeInUp 1s ease;
}

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

.hero-title {
    font-size: clamp(2.2rem, 5vw, 3.5rem);
    color: var(--white);
    margin-bottom: 24px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.hero-subtitle {
    font-size: clamp(1rem, 2.5vw, 1.3rem);
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: 40px;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 6px;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    cursor: pointer;
}

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

.btn-primary:hover {
    background-color: var(--primary-color);
    color: var(--white);
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

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

.btn-secondary:hover {
    background-color: var(--white);
    color: var(--primary-color);
    transform: translateY(-3px);
}

.btn-large {
    padding: 16px 40px;
    font-size: 1.1rem;
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.hero-scroll i {
    font-size: 2rem;
    color: var(--white);
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

.stats {
    background-color: var(--white);
    padding: 80px 0;
    margin-top: -50px;
    position: relative;
    z-index: 10;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 40px;
    max-width: 1000px;
    margin: 0 auto;
}

.stat-item {
    text-align: center;
    padding: 24px;
    background-color: var(--bg-light);
    border-radius: 12px;
    transition: var(--transition);
}

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

.stat-item i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 16px;
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    font-family: var(--font-heading);
    line-height: 1;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 0.95rem;
    color: var(--text-light);
    font-weight: 600;
}

section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.section-label {
    display: inline-block;
    font-size: 0.9rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--accent-color);
    margin-bottom: 12px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.8rem);
    margin-bottom: 16px;
    color: var(--text-dark);
}

.section-description {
    font-size: 1.1rem;
    color: var(--text-light);
    line-height: 1.7;
}

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

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.about-image {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-hover);
}

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

.about-badge {
    position: absolute;
    bottom: 24px;
    right: 24px;
    background-color: var(--primary-color);
    color: var(--white);
    padding: 16px 24px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 600;
    font-size: 0.9rem;
    box-shadow: var(--shadow);
}

.about-badge i {
    font-size: 2rem;
}

.about-intro {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 20px;
    line-height: 1.6;
}

.about-text p {
    margin-bottom: 20px;
    color: var(--text-light);
}

.about-values {
    margin-top: 40px;
}

.about-values h3 {
    font-size: 1.5rem;
    margin-bottom: 24px;
    color: var(--text-dark);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 24px;
}

.value-item {
    text-align: center;
}

.value-item i {
    font-size: 2.5rem;
    color: var(--accent-color);
    margin-bottom: 12px;
}

.value-item h4 {
    font-size: 1.1rem;
    margin-bottom: 8px;
}

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

.about-timeline {
    margin-top: 40px;
    border-left: 3px solid var(--primary-color);
    padding-left: 32px;
}

.timeline-item {
    display: flex;
    gap: 24px;
    margin-bottom: 32px;
    position: relative;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -40px;
    top: 0;
    width: 16px;
    height: 16px;
    background-color: var(--primary-color);
    border-radius: 50%;
    border: 4px solid var(--bg-light);
}

.timeline-year {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary-color);
    font-family: var(--font-heading);
    min-width: 70px;
}

.timeline-content h4 {
    font-size: 1.1rem;
    margin-bottom: 6px;
}

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

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.service-card {
    background-color: var(--white);
    padding: 40px 32px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 2px solid transparent;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary-color);
}

.service-card-highlight {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: var(--white);
}

.service-card-highlight h3,
.service-card-highlight p {
    color: var(--white);
}

.service-card-highlight .service-icon {
    background-color: rgba(255, 255, 255, 0.2);
}

.service-card-highlight .service-icon i {
    color: var(--white);
}

.service-icon {
    width: 80px;
    height: 80px;
    background-color: var(--secondary-color);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    transition: var(--transition);
}

.service-card:hover .service-icon {
    transform: scale(1.1) rotate(5deg);
}

.service-icon i {
    font-size: 2.5rem;
    color: var(--primary-color);
}

.service-card h3 {
    font-size: 1.4rem;
    margin-bottom: 16px;
}

.service-card p {
    color: var(--text-light);
    margin-bottom: 24px;
    line-height: 1.6;
}

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

.service-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    font-size: 0.95rem;
}

.service-features i {
    color: var(--accent-color);
    font-size: 0.9rem;
}

.service-card-highlight .service-features i {
    color: var(--white);
}

.why-choose {
    background-color: var(--bg-light);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.why-item {
    text-align: center;
    padding: 32px 24px;
    background-color: var(--white);
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    animation: fadeIn 0.6s ease;
    animation-fill-mode: both;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.why-item:nth-child(1) { animation-delay: 0.1s; }
.why-item:nth-child(2) { animation-delay: 0.2s; }
.why-item:nth-child(3) { animation-delay: 0.3s; }
.why-item:nth-child(4) { animation-delay: 0.4s; }
.why-item:nth-child(5) { animation-delay: 0.5s; }
.why-item:nth-child(6) { animation-delay: 0.6s; }

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

.why-icon {
    width: 70px;
    height: 70px;
    background-color: var(--secondary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.why-icon i {
    font-size: 2rem;
    color: var(--primary-color);
}

.why-item h3 {
    font-size: 1.3rem;
    margin-bottom: 12px;
}

.why-item p {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.6;
}

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

.process-timeline {
    max-width: 900px;
    margin: 0 auto;
}

.process-step {
    display: flex;
    gap: 32px;
    margin-bottom: 48px;
    position: relative;
}

.process-step:not(:last-child)::after {
    content: '';
    position: absolute;
    left: 39px;
    top: 80px;
    width: 2px;
    height: calc(100% + 10px);
    background: linear-gradient(to bottom, var(--primary-color), var(--accent-color));
}

.process-number {
    min-width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: var(--white);
    font-size: 1.8rem;
    font-weight: 700;
    font-family: var(--font-heading);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-hover);
    position: relative;
    z-index: 2;
}

.process-content {
    flex: 1;
    padding: 12px 0;
}

.process-content h3 {
    font-size: 1.4rem;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.process-content p {
    color: var(--text-light);
    line-height: 1.6;
}

.team {
    background-color: var(--bg-light);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 40px;
}

.team-member {
    background-color: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-align: center;
}

.team-member:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
}

.team-photo {
    width: 100%;
    height: 300px;
    overflow: hidden;
}

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

.team-member:hover .team-photo img {
    transform: scale(1.1);
}

.team-member h3 {
    font-size: 1.3rem;
    margin: 24px 20px 8px;
}

.team-role {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: 16px;
}

.team-bio {
    color: var(--text-light);
    font-size: 0.9rem;
    line-height: 1.6;
    padding: 0 20px 24px;
}

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

.testimonials-carousel {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    padding: 0 60px;
}

.testimonials-track {
    overflow: hidden;
    position: relative;
}

.testimonial-card {
    background-color: var(--bg-light);
    padding: 40px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    display: none;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.testimonial-card.active {
    display: block;
    opacity: 1;
}

.testimonial-stars {
    color: #FFB300;
    font-size: 1.2rem;
    margin-bottom: 24px;
}

.testimonial-text {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-dark);
    font-style: italic;
    margin-bottom: 32px;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 20px;
}

.testimonial-author img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
}

.author-name {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--text-dark);
    margin-bottom: 4px;
}

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

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    background-color: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: var(--transition);
    z-index: 10;
}

.carousel-btn:hover {
    background-color: var(--accent-color);
    transform: translateY(-50%) scale(1.1);
}

.carousel-prev {
    left: 0;
}

.carousel-next {
    right: 0;
}

.carousel-dots {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 32px;
}

.carousel-dot {
    width: 12px;
    height: 12px;
    background-color: #ccc;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
}

.carousel-dot.active {
    background-color: var(--primary-color);
    width: 32px;
    border-radius: 6px;
}

.faq {
    background-color: var(--bg-light);
}

.faq-list {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background-color: var(--white);
    margin-bottom: 16px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.faq-question {
    width: 100%;
    padding: 24px 32px;
    text-align: left;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-dark);
    cursor: pointer;
    transition: var(--transition);
}

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

.faq-question i {
    font-size: 1.2rem;
    color: var(--primary-color);
    transition: transform 0.3s ease;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

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

.faq-answer p {
    padding: 0 32px 24px;
    color: var(--text-light);
    line-height: 1.7;
}

.cta-section {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: var(--white);
    text-align: center;
    padding: 100px 0;
}

.cta-content h2 {
    font-size: clamp(2rem, 4vw, 2.8rem);
    color: var(--white);
    margin-bottom: 20px;
}

.cta-content p {
    font-size: 1.2rem;
    margin-bottom: 40px;
    opacity: 0.95;
}

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

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
}

.contact-info h3 {
    font-size: 1.8rem;
    margin-bottom: 12px;
}

.contact-intro {
    color: var(--text-light);
    margin-bottom: 32px;
    line-height: 1.6;
}

.contact-details {
    margin-bottom: 32px;
}

.contact-item {
    display: flex;
    gap: 20px;
    margin-bottom: 24px;
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-top: 4px;
}

.contact-item strong {
    display: block;
    font-size: 1rem;
    margin-bottom: 6px;
    color: var(--text-dark);
}

.contact-item p {
    color: var(--text-light);
    line-height: 1.6;
}

.contact-item a {
    color: var(--text-light);
}

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

.contact-languages strong {
    display: block;
    margin-bottom: 12px;
    font-size: 1rem;
}

.languages {
    display: flex;
    gap: 12px;
}

.language-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background-color: var(--secondary-color);
    color: var(--primary-color);
    border-radius: 6px;
    font-size: 0.9rem;
    font-weight: 600;
}

.contact-form {
    background-color: var(--bg-light);
    padding: 40px;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

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

.form-group {
    margin-bottom: 24px;
}

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e0e0e0;
    border-radius: 6px;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
    background-color: var(--white);
}

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

.form-group textarea {
    resize: vertical;
}

.form-error {
    display: block;
    color: #d32f2f;
    font-size: 0.85rem;
    margin-top: 6px;
    min-height: 20px;
}

.form-message {
    padding: 16px;
    border-radius: 6px;
    margin-top: 20px;
    font-weight: 600;
}

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

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

.footer {
    background-color: #1a1a1a;
    color: rgba(255, 255, 255, 0.8);
    padding: 60px 0 0;
}

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

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 16px;
}

.footer-logo i {
    font-size: 1.5rem;
    color: var(--accent-color);
}

.footer-description {
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 24px;
}

.footer-social {
    display: flex;
    gap: 12px;
}

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

.footer-social a:hover {
    background-color: var(--primary-color);
    color: var(--white);
    transform: translateY(-3px);
}

.footer-col h4 {
    color: var(--white);
    font-size: 1.1rem;
    margin-bottom: 20px;
}

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

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    font-size: 0.9rem;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--accent-color);
    padding-left: 5px;
}

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

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 12px;
    font-size: 0.9rem;
}

.footer-contact i {
    color: var(--accent-color);
    margin-top: 2px;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 24px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-bottom p {
    font-size: 0.9rem;
}

.footer-legal {
    display: flex;
    gap: 16px;
    font-size: 0.9rem;
}

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

.scroll-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    box-shadow: var(--shadow-hover);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    background-color: var(--accent-color);
    transform: translateY(-5px);
}

@media (max-width: 1024px) {
    .nav-menu {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background-color: var(--white);
        flex-direction: column;
        padding: 32px;
        box-shadow: var(--shadow-hover);
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        max-height: calc(100vh - 72px);
        overflow-y: auto;
    }

    .nav-menu.active {
        transform: translateX(0);
    }

    .nav-cta {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }

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

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

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

    .contact-wrapper {
        grid-template-columns: 1fr;
    }

    .process-step {
        flex-direction: column;
        gap: 20px;
    }

    .process-step::after {
        display: none;
    }

    .testimonials-carousel {
        padding: 0 20px;
    }
}

@media (max-width: 768px) {
    .hero {
        min-height: 600px;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        text-align: center;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }

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

    .form-row {
        grid-template-columns: 1fr;
    }

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

    .carousel-btn {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

    section {
        padding: 60px 0;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }

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

    .nav-logo span {
        font-size: 0.9rem;
    }

    .contact-form {
        padding: 24px;
    }
}