*{
    font-family: Arial, Helvetica, sans-serif;
}

.nav-bar{
    position: sticky;
    top: 0;
    z-index: 1000;
}
.nav-bar nav{
    display: flex;
    height: 80px;
    justify-content: space-between;
    align-items: center;
    padding: 0 5%;
    background-color: white;
}

.nav-toggle {
    display: none;
    border: none;
    background: transparent;
    cursor: pointer;
    padding: 10px;
    margin-left: 10px;
}

.nav-toggle-icon,
.nav-toggle-icon::before,
.nav-toggle-icon::after {
    display: block;
    width: 24px;
    height: 3px;
    background-color: #111;
    border-radius: 2px;
    position: relative;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.nav-toggle-icon::before,
.nav-toggle-icon::after {
    content: '';
    position: absolute;
    left: 0;
}

.nav-toggle-icon::before {
    top: -8px;
}

.nav-toggle-icon::after {
    top: 8px;
}

.nav-bar.nav-open .nav-toggle-icon {
    background-color: transparent;
}

.nav-bar.nav-open .nav-toggle-icon::before {
    transform: translateY(8px) rotate(45deg);
}

.nav-bar.nav-open .nav-toggle-icon::after {
    transform: translateY(-8px) rotate(-45deg);
}

#ais-logo{
    width: 70px;
    height: 70px;
    padding: 0;
    margin: 0;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 30px;
    margin: 0;
    padding: 0;
    align-items: center;
}

.nav-list li {
    display: flex;
    align-items: center;
}

.nav-list li a{
    font-size: 18px;
    text-decoration: none!important;
    padding: 10px 15px; 
    display: block;
    border-radius: 10px;
    color: black;
    background-color: white ;
    transition: background-color 0.3s ease;
}

.nav-list li a:hover{
    background-color:  rgb(234, 234, 234);
}

.nav-list li:last-child {
    margin-left: auto;
}

.contact-us-btn{
    font-size: 18px;
    font-weight: bold;
    text-decoration: none;
    color: white;
    border: 20px;
    border-radius: 30px;
    background: linear-gradient(to right, rgb(60, 73, 254), rgb(1, 35, 121));
    padding: 15px 20px; 

    transition: transform 0.2s ease;
    display: inline-block;
}

.contact-us-btn:hover{
    transform: scale(1.05);
}

.nav-list li .contact-us-btn {
    display: inline-block;
    padding: 12px 25px;
    text-align: center;
    border-radius: 30px;
    color: white;
    background: linear-gradient(to right, rgb(60, 73, 254), rgb(1, 35, 121));
    font-size: 18px;
    font-weight: bold;
    text-decoration: none !important;
    transition: transform 0.2s ease;
}

.nav-list li .contact-us-btn:hover {
    transform: scale(1.05);
}

@media (max-width: 900px) {
    .nav-toggle {
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }

    .nav-list {
        position: fixed;
        top: 80px;
        right: -100%;
        width: 280px;
        max-width: 85%;
        height: calc(100vh - 80px);
        flex-direction: column;
        align-items: flex-start;
        justify-content: flex-start;
        gap: 0;
        background-color: white;
        padding: 20px;
        transition: right 0.35s ease;
        border-left: 1px solid rgba(0, 0, 0, 0.08);
        box-shadow: -8px 0 24px rgba(0, 0, 0, 0.12);
        z-index: 999;
    }

    .nav-list li {
        width: 100%;
        display: block;
    }

    .nav-list li:last-child {
        margin-left: 0;
    }

    .nav-list li a {
        width: 100%;
        padding: 14px 18px;
    }

    .nav-list li .contact-us-btn {
        display: block;
        width: 100%;
        padding: 14px 18px;
        border-radius: 8px;
        margin-top: 10px;
    }

    .nav-bar.nav-open .nav-list {
        right: 0;
    }
}

/* Dark Mode */
@media (prefers-color-scheme: dark) {
    .nav-bar nav {
        background-color: #222222;
    }

    .nav-list li a {
        color: #ffffff;
        background-color: #222222;
    }

    .nav-list li a:hover {
        background-color: #2d2d2d;
    }
}