* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, sans-serif;
    scroll-behavior: smooth;
}

body {
    background: #ffffff;
    color: #172033;
}

.navbar {
    height: 85px;
    padding: 0 9%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: white;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo img {
    height: 65px;
    width: auto;
    object-fit: contain;
    display: block;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-links a {
    text-decoration: none;
    color: #172033;
    font-size: 14px;
    font-weight: 600;
}

.nav-links a:hover {
    color: #2878e5;
}

.nav-links .nav-btn {
    background: #2878e5;
    color: white;
    padding: 13px 22px;
    border-radius: 5px;
}

.hero {
    min-height: 580px;
    display: flex;
    align-items: center;
    padding: 80px 10%;
    color: white;
    background:
        linear-gradient(90deg, #101d35, #1b4778);
}

.hero-content {
    max-width: 650px;
}

.tagline, .section-heading p {
    color: #2878e5;
    font-weight: bold;
    letter-spacing: 2px;
    font-size: 13px;
    margin-bottom: 18px;
}

.hero h1 {
    font-size: clamp(38px, 5vw, 64px);
    line-height: 1.15;
    margin-bottom: 25px;
}

.description {
    color: #d2dbea;
    font-size: 17px;
    line-height: 1.8;
    margin-bottom: 35px;
}

.primary-btn {
    display: inline-block;
    background: #2878e5;
    padding: 16px 27px;
    color: white;
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
}

.about, .services, .projects, .contact {
    padding: 90px 10%;
    text-align: center;
}

.section-heading h2 {
    font-size: 35px;
    margin-bottom: 30px;
}

.about-text {
    max-width: 750px;
    margin: auto;
    line-height: 1.9;
    color: #647084;
}

.services {
    background: #f5f8fc;
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    margin-top: 45px;
}

.service-card {
    background: white;
    padding: 35px 25px;
    border-radius: 10px;
    text-align: left;
    border: 1px solid #e7ebf2;
    transition: 0.3s;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 35px #17203315;
}

.service-card h3 {
    margin-bottom: 15px;
    color: #2878e5;
}

.service-card p {
    color: #647084;
    line-height: 1.7;
}

.stats {
    display: flex;
    justify-content: center;
    gap: 90px;
    flex-wrap: wrap;
}

.stats h2 {
    font-size: 42px;
    color: #2878e5;
    margin-bottom: 10px;
}

.stats p {
    color: #647084;
}

.contact {
    background: #f5f8fc;
}

form {
    max-width: 550px;
    margin: 35px auto 0;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

input, textarea {
    padding: 17px;
    border: 1px solid #dce2ec;
    border-radius: 5px;
    font-size: 15px;
}

textarea {
    height: 140px;
    resize: vertical;
}

form button {
    padding: 17px;
    background: #2878e5;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-weight: bold;
}

#formStatus {
    color: #172033;
}

footer {
    background: #101d35;
    color: white;
    text-align: center;
    padding: 45px 20px;
    line-height: 2;
}

@media (max-width: 768px) {
    .navbar {
        height: auto;
        padding: 25px 6%;
        flex-direction: column;
        gap: 20px;
    }

    .nav-links {
        justify-content: center;
        flex-wrap: wrap;
        gap: 15px;
    }

    .hero {
        padding: 80px 7%;
    }

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

    .stats {
        gap: 40px;
    }

    .about, .services, .projects, .contact {
        padding: 65px 7%;
    }
}

/* PROJECT PORTFOLIO */

.projects {
    background: #f5f8fc;
    padding: 90px 10%;
}

.projects .section-heading span {
    color: #647084;
    line-height: 1.8;
}

.project-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    margin-top: 45px;
}

.project-card {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid #e7ebf2;
    transition: 0.3s;
}

.project-card:hover {
    transform: translateY(-7px);
    box-shadow: 0 15px 35px #17203318;
}

.project-image {
    width: 100%;
    height: 220px;
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: 0.4s;
}

.project-card:hover .project-image img {
    transform: scale(1.05);
}

.project-info {
    padding: 25px;
    text-align: left;
}

.project-category {
    color: #2878e5;
    font-size: 11px;
    font-weight: bold;
    letter-spacing: 1.5px;
}

.project-info h3 {
    font-size: 19px;
    margin: 12px 0;
    color: #172033;
}

.project-info > p {
    color: #647084;
    font-size: 14px;
    line-height: 1.7;
    margin-bottom: 20px;
}

.project-info details {
    border-top: 1px solid #e7ebf2;
    padding-top: 15px;
}

.project-info summary {
    color: #2878e5;
    font-weight: bold;
    font-size: 14px;
    cursor: pointer;
}

.project-details {
    padding-top: 15px;
    color: #647084;
    font-size: 13px;
    line-height: 1.8;
}

.project-details p {
    margin-bottom: 8px;
}

.project-details strong {
    color: #172033;
}

@media (max-width: 900px) {
    .project-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .project-grid {
        grid-template-columns: 1fr;
    }
}

/* OUR PROFESSIONAL TEAM */

.staff {
    padding: 90px 10%;
    background: #ffffff;
    text-align: center;
}

.staff .section-heading span {
    color: #647084;
    line-height: 1.8;
}

.staff-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
    margin-top: 45px;
}

.staff-card {
    background: #ffffff;
    border: 1px solid #e7ebf2;
    border-radius: 10px;
    overflow: hidden;
    transition: 0.3s;
}

.staff-card:hover {
    transform: translateY(-7px);
    box-shadow: 0 15px 35px #17203318;
}

.staff-photo {
    height: 240px;
    overflow: hidden;
    background: #e8eef6;
}

.staff-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.staff-info {
    padding: 22px 15px;
}

.staff-info h3 {
    font-size: 18px;
    color: #172033;
    margin-bottom: 8px;
}

.staff-info span {
    color: #2878e5;
    font-size: 13px;
    font-weight: bold;
}

.staff-info p {
    color: #647084;
    font-size: 13px;
    line-height: 1.7;
    margin-top: 12px;
}

@media (max-width: 900px) {
    .staff-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 550px) {
    .staff-grid {
        grid-template-columns: 1fr;
    }
}