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

html {
    scroll-behavior: smooth;
}

body {
    font-family: "Open Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

h1, h2, h3 {
    font-family: "Raleway", "Open Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
}

header {
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 1rem 2rem;
    background: #fff;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo-link {
    display: flex;
}

.logo {
    height: 40px;
}

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

.nav-links a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: #666;
}

.nav-home {
    display: flex;
    align-items: center;
}

.nav-home img {
    width: 24px;
    height: 24px;
    transition: opacity 0.3s;
}

.nav-home:hover img {
    opacity: 0.7;
}

.hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.hamburger span {
    display: block;
    width: 25px;
    height: 3px;
    background: #333;
    border-radius: 2px;
    transition: transform 0.3s, opacity 0.3s;
}

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

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

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

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background: #fff;
        padding: 1rem 2rem;
        gap: 1rem;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        display: none;
    }

    .nav-links.active {
        display: flex;
    }

    header {
        position: sticky;
    }

    nav {
        position: relative;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero p {
        font-size: 1rem;
    }
}

.hero {
    min-height: 80vh;
    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)),
                url('../img/nc_hero_img_0.jpg') center/cover no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.hero-content {
    color: #fff;
    max-width: 800px;
    padding: 2rem;
    font-family: "Raleway", "Open Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: #fff;
}

.hero p {
    font-size: 1.25rem;
    opacity: 0.9;
}

.btn {
    display: inline-block;
    margin-top: 2rem;
    padding: 1rem 2.5rem;
    background: #fff;
    color: #333;
    text-decoration: none;
    font-weight: 600;
    border-radius: 4px;
    transition: background 0.3s, transform 0.2s;
}

.btn:hover {
    background: #f0f0f0;
    transform: translateY(-2px);
}

main {
    flex: 1;
}

.about {
    max-width: 800px;
    margin: 0 auto;
    padding: 5rem 2rem;
    text-align: center;
}

.about h2 {
    font-size: 2rem;
    color: #333;
    margin-bottom: 1.5rem;
}

.about p {
    font-size: 1.125rem;
    color: #666;
    margin-bottom: 1rem;
}

.about p:last-child {
    margin-bottom: 0;
}

.services {
    padding: 5rem 2rem;
    background: #f9f9f9;
}

.services h2 {
    font-size: 2rem;
    color: #333;
    text-align: center;
    margin-bottom: 3rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.service-card {
    background: #fff;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s, box-shadow 0.3s;
    text-align: center;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.service-card img {
    display: block;
    width: 80px;
    height: 80px;
    object-fit: contain;
    margin: 0 auto 1.5rem;
}

.service-card h3 {
    font-size: 1.25rem;
    color: #333;
    margin-bottom: 1rem;
}

.service-card p {
    font-size: 1rem;
    color: #666;
    line-height: 1.6;
    margin-bottom: 1rem;
    text-align: left;
}

@media (max-width: 768px) {
    .services-grid {
        grid-template-columns: 1fr;
    }
}

.technologies {
    padding: 5rem 2rem;
    text-align: center;
    background: #f0f0f0;
}

.technologies h2 {
    font-size: 2rem;
    color: #333;
    margin-bottom: 3rem;
}

.tech-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 3rem;
    max-width: 1000px;
    margin: 0 auto;
}

.tech-item {
    display: flex;
    align-items: center;
    justify-content: center;
    background: #fff;
    padding: 1rem 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s, box-shadow 0.3s;
}

.tech-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.tech-item span {
    font-family: "Raleway", "Open Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
    font-size: 1.1rem;
    font-weight: 600;
    color: #333;
}

.cases {
    padding: 5rem 2rem;
    text-align: center;
}

.cases h2 {
    font-size: 2rem;
    color: #333;
    margin-bottom: 3rem;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.case-card {
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s;
}

.case-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.case-content {
    padding: 2rem;
    text-align: left;
}

.case-content h3 {
    font-size: 1.25rem;
    color: #333;
    margin-bottom: 1rem;
}

.case-content p {
    font-size: 1rem;
    color: #666;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.case-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.case-tech span {
    background: #f0f0f0;
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    font-size: 0.85rem;
    color: #555;
    font-weight: 500;
}

@media (max-width: 768px) {
    .cases-grid {
        grid-template-columns: 1fr;
    }
}

.contact {
    background: #f9f9f9;
    padding: 5rem 2rem;
    text-align: center;
}

.contact h2 {
    font-size: 2rem;
    color: #333;
    margin-bottom: 2rem;
}

.contact-info p {
    font-size: 1.125rem;
    color: #666;
    margin-bottom: 0.5rem;
}

.contact-info .company-name {
    font-size: 1.25rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 1rem;
}

.contact-info a {
    color: #333;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.contact-info a:hover {
    color: #666;
}

h1 {
    color: #333;
}

footer {
    padding: 2rem;
    background: #333;
    color: #fff;
    text-align: center;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 1rem;
}

.social-links a {
    color: #fff;
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.3s;
}

.social-links a:hover {
    opacity: 0.7;
}

/* Scroll animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.service-card.fade-in {
    transition-delay: 0s;
}

.service-card.fade-in:nth-child(2) {
    transition-delay: 0.2s;
}

.service-card.fade-in:nth-child(3) {
    transition-delay: 0.4s;
}

.tech-item.fade-in:nth-child(1) {
    transition-delay: 0s;
}

.tech-item.fade-in:nth-child(2) {
    transition-delay: 0.1s;
}

.tech-item.fade-in:nth-child(3) {
    transition-delay: 0.2s;
}

.tech-item.fade-in:nth-child(4) {
    transition-delay: 0.3s;
}

.tech-item.fade-in:nth-child(5) {
    transition-delay: 0.4s;
}

.tech-item.fade-in:nth-child(6) {
    transition-delay: 0.5s;
}

.tech-item.fade-in:nth-child(7) {
    transition-delay: 0.6s;
}

.tech-item.fade-in:nth-child(8) {
    transition-delay: 0.7s;
}

.tech-item.fade-in:nth-child(9) {
    transition-delay: 0.8s;
}

.case-card.fade-in:nth-child(1) {
    transition-delay: 0s;
}

.case-card.fade-in:nth-child(2) {
    transition-delay: 0.2s;
}

.case-card.fade-in:nth-child(3) {
    transition-delay: 0.4s;
}