:root {
    --primary-blue: #003366;
    --accent-green: #a8d5ba;
    --light-gray: #f4f7f6;
    --text-dark: #333;
    --white: #fff;
}

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

body {
    background: var(--light-gray);
    color: var(--text-dark);
    line-height: 1.7;
}

.navbar {
    padding: 1rem 8%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #ffffff;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
}

.nav-logo img {
    height: 54px;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 1.6rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--primary-blue);
    font-weight: 600;
    transition: color 0.2s ease;
}

.nav-links a:hover {
    color: #002244;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.menu-toggle span {
    height: 3px;
    width: 26px;
    background: var(--primary-blue);
    margin: 4px 0;
    border-radius: 2px;
}

.service-hero {
    background: linear-gradient(135deg, #003366, #002244);
    color: #fff;
    padding: 130px 8% 90px;
    text-align: center;
}

.service-hero h1 {
    font-size: 3rem;
    margin-bottom: 14px;
}

.service-hero p {
    max-width: 860px;
    margin: 0 auto;
    font-size: 1.12rem;
    opacity: 0.92;
}

.service-layout {
    max-width: 1120px;
    margin: auto;
    padding: 80px 8%;
}

.service-panel {
    background: #fff;
    border-radius: 24px;
    padding: 42px;
    box-shadow: 0 18px 45px rgba(0, 0, 0, 0.06);
    margin-bottom: 30px;
}

.service-panel h2 {
    color: var(--primary-blue);
    font-size: 2rem;
    margin-bottom: 14px;
}

.service-panel p {
    color: #55606c;
    margin-bottom: 16px;
}

.service-panel ul {
    padding-left: 20px;
    color: #55606c;
}

.service-panel li {
    margin-bottom: 10px;
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
}

.service-card {
    background: #fff;
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.05);
}

.service-card i {
    font-size: 2rem;
    color: var(--primary-blue);
    margin-bottom: 12px;
}

.service-card h3 {
    color: var(--primary-blue);
    margin-bottom: 10px;
}

.service-card p {
    color: #56606b;
}

.service-cta {
    background: linear-gradient(135deg, #eef3f8, #f7fafc);
    border-radius: 24px;
    padding: 44px;
    text-align: center;
}

.service-cta h2 {
    color: var(--primary-blue);
    font-size: 2rem;
    margin-bottom: 12px;
}

.service-cta p {
    color: #56606b;
    max-width: 760px;
    margin: 0 auto 24px;
}

.btn {
    background: var(--accent-green);
    color: var(--primary-blue);
    padding: 1rem 2.2rem;
    border-radius: 999px;
    font-weight: 700;
    text-decoration: none;
    display: inline-block;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.14);
}

.site-footer {
    background: #0f2f57;
    color: #ffffff;
    padding: 60px 8% 30px;
    position: relative;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 40px;
    margin-bottom: 30px;
}

.footer-col h4 {
    font-size: 1.1rem;
    margin-bottom: 15px;
    color: #ffffff;
}

.footer-col p {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
}

.footer-col ul {
    list-style: none;
    padding: 0;
}

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col ul li a {
    color: #a8d5ba;
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.3s ease;
}

.footer-col ul li a:hover {
    color: #ffffff;
    text-decoration: underline;
}

.footer-contact li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.85);
}

.footer-contact i {
    color: #a8d5ba;
}

.footer-bottom {
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    padding-top: 15px;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
}

.back-to-top {
    position: absolute;
    right: 25px;
    bottom: 25px;
    background: #a8d5ba;
    color: #003366;
    border: none;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.2rem;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease;
}

.back-to-top:hover {
    transform: translateY(-5px);
}

@media (max-width: 900px) {
    .menu-toggle {
        display: flex;
    }

    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: #ffffff;
        flex-direction: column;
        align-items: center;
        gap: 1.2rem;
        padding: 22px 0;
        display: none;
        box-shadow: 0 10px 25px rgba(0, 0, 0, 0.12);
    }

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

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

@media (max-width: 768px) {
    .service-hero h1 {
        font-size: 2.4rem;
    }

    .service-layout {
        padding: 60px 6%;
    }

    .service-panel,
    .service-cta {
        padding: 30px 24px;
    }
}