/* === Header & Navigation === */
.header-area {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    transition: all 0.3s ease;
    padding: 12px 0;
}
.header-area .main-nav {
  box-shadow: 0px 0px 15px rgba(0,0,0,0.1);
  border-radius: 40px;
  min-height: 80px;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.header-area .logo img {
    max-height: 40px;
    width: auto;
}
.header-area .nav {
    display: flex;
    align-items: center;
    margin: 0;
    padding: 0;
    list-style: none;
}
.header-area .nav li {
    margin: 0 15px;
}
.header-area .nav li a {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 14px;
    color: var(--preformia-dark-blue);
    text-decoration: none;
    transition: all 0.3s ease;
    padding: 5px 0;
    position: relative;
}
.header-area .nav li a:hover,
.header-area .nav li a.active {
    color: var(--preformia-light-blue);
}
.header-area .nav li a.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: #66CCFF;
}
.header-area .menu-trigger {
    display: none;
    cursor: pointer;
    padding: 10px;
}
.header-area .menu-trigger span {
    display: block;
    width: 25px;
    height: 2px;
    background: #003366;
    margin: 5px 0;
    transition: all 0.3s ease;
}
@media (max-width: 991px) {
    .header-area {
        padding: 10px 0;
    }
    .header-area .nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #FFFFFF;
        padding: 20px;
        box-shadow: 0 5px 15px rgba(0, 51, 102, 0.1);
        flex-direction: column;
        align-items: flex-start;
    }
    .header-area .nav.active {
        display: flex;
    }
    .header-area .nav li {
        margin: 10px 0;
        width: 100%;
    }
    .header-area .nav li a {
        display: block;
        padding: 10px 0;
        font-size: 16px;
    }
    .header-area .menu-trigger {
        display: block;
    }
    .header-area .menu-trigger.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    .header-area .menu-trigger.active span:nth-child(2) {
        opacity: 0;
    }
    .header-area .menu-trigger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }
}