:root {
    --primary-color: #1B365D;    /* Navy blue */
    --secondary-color: #ffffff;   /* White */
    --accent-color: #4A6FA5;     /* Lighter navy blue */
    --text-color: #2C3E50;       /* Dark gray-blue */
    --gray-light: #F5F7FA;       /* Light gray */
    --gray-dark: #2F4356;        /* Dark gray-blue */
    --transition: all 0.3s ease-in-out;
}

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.8;
    margin: 0;
    padding: 0;
    color: var(--text-color);
    scroll-behavior: smooth;
}

.navbar {
    position: fixed;
    width: 100%;
    background: rgba(255, 255, 255, 0.98);
    padding: 1.2rem 0;
    box-shadow: 0 2px 15px rgba(0,0,0,0.08);
    z-index: 1000;
    transition: var(--transition);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.navbar .logo {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-left: 4rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.nav-links {
    display: flex;
    list-style: none;
    margin-right: 4rem;
    gap: 3rem;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    font-size: 1.1rem;
    transition: var(--transition);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-color);
    transition: var(--transition);
}

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

header {
    background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), url('../images/dune_bridge1.PNG');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
}

.hero-content {
    padding: 2rem;
    animation: fadeIn 1s ease-in;
}

.hero-content h1 {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 3px;
}

.cta-button {
    display: inline-block;
    padding: 1.2rem 3rem;
    background-color: var(--accent-color);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    margin-top: 2rem;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.2);
    background-color: #d35400;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 2rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.service-card {
    background: var(--secondary-color);
    padding: 3rem 2rem;
    border-radius: 15px;
    text-align: center;
    transition: var(--transition);
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
}

.service-card:hover .icon {
    transform: scale(1.1);
    transition: var(--transition);
}

.service-card i {
    font-size: 3rem;
    color: var(--accent-color);
    margin-bottom: 1.5rem;
}

.icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 1rem;
    display: block;
    stroke: var(--accent-color);
}

.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.project-card {
    position: relative;
    overflow: hidden;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: var(--transition);
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.2);
}

.project-card img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    transition: var(--transition);
}

.project-card:hover img {
    transform: scale(1.1);
}

.project-card h3 {
    position: absolute;
    bottom: 0;
    width: 100%;
    padding: 1rem;
    background: rgba(0,0,0,0.7);
    color: white;
    margin: 0;
}

footer {
    background-color: var(--primary-color);
    color: white;
    padding: 0 0;
}

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

.footer-column {
    text-align: left;
}

.footer-column h3 {
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
}

.footer-column p {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.8rem;
}

.footer-column a {
    color: var(--secondary-color);
    text-decoration: none;
    transition: var(--transition);
}

.footer-column a:hover {
    opacity: 0.8;
}

.footer-column .icon {
    width: 24px;
    height: 24px;
    margin: 0;
    stroke: var(--secondary-color);
}

.social-icons {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.social-icons a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.8rem;
}

h2 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 2rem;
}

.about-section {
    padding: 6rem 0 4rem 0;
}

.about-content {
    max-width: 1000px;
    margin: 0 auto;
}

.about-text h3 {
    color: var(--primary-color);
    margin-top: 2rem;
    margin-bottom: 1rem;
}

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

.team-member {
    text-align: center;
    padding: 1.5rem;
    background: var(--gray-light);
    border-radius: 10px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
}

.team-member a {
    display: inline-block;
    transition: var(--transition);
}

.team-member a:hover .team-photo {
    transform: scale(1.05);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.team-photo {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 1rem;
    border: 3px solid var(--primary-color);
    transition: var(--transition);
    cursor: pointer;
}

.team-member h4 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

.team-member p:first-of-type {
    font-weight: 600;
    color: var(--accent-color);
    margin-bottom: 1rem;
}

.reviews-section {
    padding: 6rem 0 4rem 0;
    text-align: center;
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.review-card {
    background: var(--secondary-color);
    padding: 2.5rem 2rem;
    border-radius: 15px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
    border: 1px solid var(--gray-light);
    transition: var(--transition);
    text-align: center;
}

.review-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.15);
}

.stars {
    color: #ffd700;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    letter-spacing: 2px;
}

.review-card p {
    font-style: italic;
    color: var(--text-color);
    line-height: 1.6;
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.review-card h4 {
    color: var(--primary-color);
    font-weight: 600;
    margin: 0;
    font-size: 1rem;
}

@media (max-width: 768px) {
    .navbar {
        padding: 0.8rem 0;
    }

    .navbar .logo img {
        height: 60px;  /* Smaller logo on mobile */
        margin-left: 1rem;
    }

    .nav-links {
        display: none;
    }

    .hero-content {
        padding: 1rem;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .hero-content p {
        font-size: 1.1rem;
    }

    .container {
        padding: 2rem 1rem;
    }

    .services-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .service-card {
        padding: 2rem 1.5rem;
    }

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

    .project-card {
        margin: 0 1rem;
    }

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

    .footer-column {
        text-align: center;
        padding: 0 1rem;
    }

    .footer-column p, 
    .social-icons a {
        justify-content: center;
        font-size: 0.9rem;
    }

    .footer-column h3 {
        font-size: 1.1rem;
    }

    .social-icons {
        align-items: center;
    }

    .cta-button {
        padding: 1rem 2rem;
        font-size: 0.9rem;
    }

    .team-photo {
        width: 100px;
        height: 100px;
    }
    
    .team-profiles {
        grid-template-columns: 1fr;
    }

    .reviews-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .review-card {
        padding: 2rem 1.5rem;
    }
}

@supports (-webkit-touch-callout: none) {
    header {
        height: -webkit-fill-available;
    }
}

@media (hover: none) {
    .nav-links a,
    .footer-column a,
    .cta-button {
        padding: 0.8rem;
    }
    
    .service-card,
    .project-card {
        cursor: pointer;
        -webkit-tap-highlight-color: transparent;
    }
}

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