.mainHeader {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    position: fixed;
    top: 20px;
    left: 0;
    z-index: 10000;
    font-family: "Inter";
    transition: all 0.3s;
}
.mainHeader.active {
    background-color: #004a99;
    top: 0;
    padding: 10px 0;
}
.mainHeader.active .logoBox img {
    height: 65px;
}
.headerContainer {
    width: 90%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.logoBox img {
    height: 100px;
    width: auto;
    transition: all 0.3s;
}
.menuBtn {
    display: none;
}
/* Nav Menu */
.nav-menu {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 60px;
}
.nav-list {
    list-style: none;
    display: flex;
    gap: 56px;
}
.nav-list li {
    position: relative;
}
.nav-list a {
    color: white;
    text-decoration: none;
    font-size: 20px;
    font-weight: 400;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: opacity 0.3s;
}
.nav-list a:hover {
    opacity: 0.8;
}
.submenu {
    position: absolute;
    top: 100%;
    left: 0;
    background: white;
    min-width: 250px;
    border-radius: 8px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    display: none;
    padding: 10px 0;
    z-index: 100;
    margin-top: 4px;
    list-style: none;
}
.submenu li a {
    color: #333;
    padding: 10px 20px;
    font-size: 20px;
    font-weight: 400;
}
.submenu li a:hover {
    background: #f5f5f5;
    color: #004a99;
}
.dropdown:hover .submenu {
    display: block;
}
/* Contact Button */
.contactBtn {
    border: 2px solid white;
    color: white;
    height: 60px;
    width: 180px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 500;
    font-size: 20px;
    transition: all 0.3s ease;
}
.contactBtn:hover {
    background: white;
    color: #004a99;
}

/* Chevron Icon Rotation */
.dropdown:hover .chevron {
    transform: rotate(180deg);
}

.chevron {
    transition: transform 0.3s ease;
}

@media screen and (max-width: 1660px) {
    .logoBox img {
        height: 80px;
    }
}
@media screen and (max-width: 1440px) {
    .logoBox img {
        height: 70px;
    }
    .nav-list {
        gap: 36px;
    }
    .contactBtn {
        height: 50px;
        width: 180px;
    }
    .nav-menu {
        gap: 36px;
    }
}
@media screen and (max-width: 1440px) {
    .headerContainer {
        width: 95%;
    }
    .nav-list {
        gap: 24px;
    }
    .nav-list a {
        font-size: 18px;
        gap: 6px;
    }
    .contactBtn {
        height: 45px;
        width: 160px;
    }
    .logoBox img {
        height: 60px;
    }
}
@media screen and (max-width: 990px) {
    .mainHeader {
        top: 0px;
        padding: 10px 0;
    }
    .mainHeader.active .logoBox img {
        height: 60px;
    }
    .menuBtn {
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 8px;
        border: none;
        border-radius: 5px;
        cursor: pointer;
        background: none;
    }
    .menuBtn img {
        width: 32px;
        margin-top: 4px;
        color: #004a99;
    }
    .nav-list {
        position: absolute;
        max-width: 360px;
        width: 100%;
        flex-direction: column;
        top: 84px;
        right: -360px;
        background: #004a99;
        height: calc(100vh - 90px);
        display: flex;
        gap: 0;
        transition: all 0.3s;
    }
    .nav-list.active {
        right: 0;
    }
    .nav-list a {
        gap: 10px;
        padding: 20px 20px;
        border-bottom: 1px solid #f5f5f5;
    }
    .nav-list .dropdown {
        position: relative;
    }
    .submenu {
        top: 0;
        left: 0;
        position: relative;
        background: white;
        min-width: 250px;
        width: 100%;
        padding: 0;
        border-radius: 0;
        margin: 0;
        z-index: 100;
        transition: all 0.3s;
    }
}

@media screen and (max-width: 500px) {
    .contactBtn {
        display: none;
    }
    .menuBtn {
        width: 50px;
        height: 40px;
    }
}