:root {
    --light-bg-color: #f8f9fa;
    --light-card-bg: #ffffff;
    --light-text-color: #343a40;
    --light-muted-text: #6c757d;
    --dark-bg-color: #121212;
    --dark-card-bg: #1e1e1e;
    --dark-text-color: #e0e0e0;
    --dark-muted-text: #b0b0b0;
    --primary-blue: #007bff;
    --secondary-blue: #0056b3;
    --accent-blue: #00bfff;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    color: var(--light-text-color);
    background-color: var(--light-bg-color);
    line-height: 1.6;
    transition: background-color 0.4s, color 0.4s;
}

body.dark-mode {
    background-color: var(--dark-bg-color);
    color: var(--dark-text-color);
}

body.dark-mode header,
body.dark-mode footer {
    background-color: #1a1a1a;
}

body.dark-mode .hero-section {
    background-color: #212121;
}

body.dark-mode .services-section,
body.dark-mode .partners-section,
body.dark-mode .contact-section,
body.dark-mode .about-section {
    background-color: var(--dark-bg-color);
}

body.dark-mode .service-card {
    background-color: var(--dark-card-bg);
    box-shadow: 0 4px 10px rgba(255, 255, 255, 0.05);
}

body.dark-mode .service-card h3,
body.dark-mode .partner-name,
body.dark-mode .section-title,
body.dark-mode .about-item h4 {
    color: var(--accent-blue);
}

body.dark-mode .section-subtitle,
body.dark-mode .service-card p,
body.dark-mode .about-item p {
    color: var(--dark-muted-text);
}

body.dark-mode .card-link {
    color: var(--primary-blue);
}

body.dark-mode .card-link:hover,
body.dark-mode .linkedin-button:hover {
    color: var(--accent-blue);
}

body.dark-mode .mode-toggle svg {
    color: var(--dark-text-color);
}

header {
    width: 100%;
    height: 50px;
    background-color: var(--primary-blue);
    color: var(--light-bg-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 5%;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1000;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    transition: background-color 0.4s;
}

#headerRight {
    display: flex;
    flex-direction: row;
}

#nextLogo {
    font-size: 0.8rem;
    margin-left: 20px;
}

header .logo {
    font-size: 1.6rem;
    font-weight: 700;
    letter-spacing: 0.8px;
}

header nav {
    display: flex;
    align-items: center;
}

header nav a {
    color: var(--light-bg-color);
    text-decoration: none;
    margin-left: 20px;
    font-weight: 400;
    transition: color 0.3s;
}

header nav a:hover {
    color: var(--accent-blue);
}

.mode-toggle {
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
    margin-left: 20px;
}

.mode-toggle svg {
    color: var(--light-bg-color);
    transition: color 0.3s;
}

main {
    padding-top: 50px;
}

section {
    padding: 60px 5%;
    text-align: center;
}

.section-title {
    font-size: 2.2rem;
    font-weight: 600;
    color: var(--secondary-blue);
    margin-bottom: 10px;
}

.section-subtitle {
    font-size: 1rem;
    color: var(--light-muted-text);
    margin-bottom: 30px;
}

.hero-section {
    background-color: var(--secondary-blue);
    color: var(--light-bg-color);
    padding: 80px 5%;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    transition: background-color 0.4s;
}

.hero-content {
    max-width: 800px;
}

.hero-content h1 {
    font-size: 2.8rem;
    font-weight: 700;
    margin-bottom: 15px;
}

.hero-content p {
    font-size: 1.1rem;
    font-weight: 300;
    margin-bottom: 25px;
}

.cta-button {
    display: inline-block;
    background-color: var(--accent-blue);
    color: var(--light-bg-color);
    text-decoration: none;
    padding: 12px 25px;
    border-radius: 50px;
    font-weight: 600;
    transition: background-color 0.3s, transform 0.2s;
}

.cta-button:hover {
    background-color: #0099cc;
    transform: translateY(-2px);
}

.services-section {
    background-color: var(--light-bg-color);
    padding-top: 50px;
    padding-bottom: 50px;
    transition: background-color 0.4s;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.service-card {
    background-color: var(--light-card-bg);
    padding: 25px;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s, box-shadow 0.3s, background-color 0.4s;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

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

.card-icon {
    width: 50px;
    height: 50px;
    background-color: var(--primary-blue);
    color: var(--light-bg-color);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto 15px;
    transition: background-color 0.4s;
}

.card-icon svg {
    width: 25px;
    height: 25px;
}

.service-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--secondary-blue);
    margin-bottom: 8px;
    transition: color 0.4s;
}

.service-card p {
    font-size: 0.9rem;
    color: var(--light-muted-text);
    margin-bottom: 15px;
    transition: color 0.4s;
}

.card-link {
    display: inline-block;
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: color 0.3s;
}

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

.partners-section {
    background-color: var(--light-bg-color);
    padding-top: 50px;
    padding-bottom: 50px;
    transition: background-color 0.4s;
}

.partners-grid-container {
    overflow-x: auto;
    white-space: nowrap;
    padding-bottom: 5px;
    -webkit-overflow-scrolling: touch;
}

.partners-grid-container::-webkit-scrollbar {
    height: 6px;
}

.partners-grid-container::-webkit-scrollbar-track {
    background-color: transparent;
    border-radius: 10px;
}

.partners-grid-container::-webkit-scrollbar-thumb {
    background-color: var(--primary-blue);
    border-radius: 10px;
}

.partners-grid {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-top: 30px;
    padding: 0 15px;
    min-width: fit-content;
}

.partner-card {
    flex: 0 0 auto;
    width: 200px;
    padding: 25px 5px;
    border-radius: 8px;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s, background-color 0.4s;
    margin-bottom: 5px;
    white-space: normal;
    display: flex;
    align-items: center;
    flex-direction: column;
    justify-content: space-between;
}

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

.partner-image {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 15px;
    transition: border-color 0.4s;
}

.partner-name {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--secondary-blue);
    margin-bottom: 5px;
    transition: color 0.4s;
}

.partner-position {
    font-size: 0.8rem;
    color: var(--light-muted-text);
    margin-bottom: 15px;
    transition: color 0.4s;
    flex-grow: 1;
}

.linkedin-button {
    display: inline-block;
    background-color: var(--primary-blue);
    color: var(--light-bg-color);
    text-decoration: none;
    padding: 8px 18px;
    border-radius: 20px;
    font-weight: 500;
    font-size: 0.9rem;
    transition: background-color 0.3s, transform 0.2s;
    margin-top: auto;
    /* Pushes the button to the bottom of the flex container */
}

.linkedin-button:hover {
    background-color: #0056b3;
    transform: translateY(-2px);
}


.about-section {
    background-color: var(--light-bg-color);
    padding-top: 50px;
    padding-bottom: 50px;
    transition: background-color 0.4s;
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.about-item {
    text-align: center;
    padding: 15px;
}

.about-item svg {
    color: var(--primary-blue);
    margin-bottom: 15px;
    width: 36px;
    height: 36px;
    transition: color 0.4s;
}

.about-item h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--secondary-blue);
    margin-bottom: 8px;
    transition: color 0.4s;
}

.about-item p {
    font-size: 0.9rem;
    color: var(--light-muted-text);
    transition: color 0.4s;
}

.contact-section {
    background-color: var(--secondary-blue);
    color: var(--light-bg-color);
    padding-top: 60px;
    padding-bottom: 60px;
    transition: background-color 0.4s;
}

.contact-content {
    max-width: 700px;
    margin: 0 auto;
}

.contact-content h2 {
    font-size: 2.2rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.contact-content p {
    font-size: 1rem;
    font-weight: 300;
    margin-bottom: 25px;
}

footer {
    background-color: var(--primary-blue);
    color: var(--light-bg-color);
    text-align: center;
    padding: 15px 5%;
    transition: background-color 0.4s;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    max-width: 1200px;
    margin: 0 auto;
    font-size: 0.8rem;
}

.footer-links a {
    color: var(--light-bg-color);
    text-decoration: none;
    margin-left: 15px;
    transition: color 0.3s;
}

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

@media (max-width: 768px) {
    header {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
        height: auto;
        padding: 10px;
    }

    header nav a {
        display: none;
    }

    main {
        padding-top: 50px;
    }

    .hero-section {
        padding: 60px 5%;
    }

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

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

    .partners-grid-container {
        padding-left: 0;
        padding-right: 0;
    }

    .partners-grid {
        justify-content: flex-start;
        padding: 0 15px;
    }

    .partner-card {
        width: 80%;
        max-width: 300px;
        margin-right: 20px;
    }

    .footer-content {
        flex-direction: column;
        gap: 10px;
    }

    .footer-links {
        margin-top: 10px;
    }
}