.upper-menu, .main-menu {
    display: flex;
    justify-content: space-between;
    padding: 2vh 5vw;
    font-size: 2.5vh;
    color: #333;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    border-bottom: 1px solid #ccc;
}

.upper-menu {
    background: linear-gradient(135deg, #ffe7d4, #ffcad4);
}

.main-menu {
    align-items: center;
    font-size: 3vh;
    background: #fff;
}

.main-menu .logo-link img {
    height: 10vh;
    vertical-align: middle;
}


.main-menu .duo-links {
    display: flex;
    align-items: center;
    gap: 4vw;
    flex-wrap: nowrap;
}

.duo-links a, .main-menu a, .sub-menu a {
    text-decoration: none;
    color: #333;
    font-weight: bold;
    transition: color 0.3s ease;
}

.duo-links a:hover, .main-menu a:hover, .sub-menu a:hover {
    color: #ff6f61;
}

.main-menu a.icon svg {
    width: 1.5em;
    height: 1.5em;
    vertical-align: middle;
    transition: fill 0.3s ease;
}


.sub-menu {
    display: flex;
    padding: 2vh 5vw;
    font-size: 2.5vh;
    background-color: #fff4e6;
    color: #444;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    border-top: 1px solid #ccc;
    align-items: center;
    justify-content: space-evenly;
}

.sub-menu h3 {
    font-weight: bold;
}

.list {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.hamburger {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 22px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    outline: none; 
    -webkit-tap-highlight-color: transparent;
}

.hamburger:focus, .hamburger:active {
    outline: none;
    box-shadow: none;
    background: none;
}

.hamburger span {
    display: block;
    width: 100%;
    height: 3px;
    background: #333;
    border-radius: 2px;
    transition: transform 0.3s, opacity 0.3s;
}

.hamburger:hover span {
    background: #ff6f61;
}

.hamburger.active span:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
}

.breadcrumb-nav{
    /* same cream background used for .sub-menu */
    background-color:#fff4e6;
    /* subtle shadow + divider to echo the menus */
    box-shadow:0 4px 8px rgba(0,0,0,.05);
    border-bottom:1px solid #ccc;

    padding:1.5vh 5vw;
    font-size:2.25vh;   /* splits the difference between upper & sub menus */
    font-family:'Atma',sans-serif;
}

.breadcrumb-list{
    margin:0;
    padding:0;
    list-style:none;

    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:1vw;            /* breathing room between crumbs */
}

.breadcrumb-item{
    display:flex;
    align-items:center;
    color:#333;
    font-weight:500;
}

/* arrow separator — inherits the hover colour */
.breadcrumb-item + .breadcrumb-item::before{
    content:"›";
    margin:0 .5vw;
    color:#ff6f61;
    font-weight:600;
}

/* links behave like the rest of your menu links */
.breadcrumb-item a{
    text-decoration:none;
    color:#333;
    transition:color .3s ease;
}
.breadcrumb-item a:hover{
    color:#ff6f61;
}

.hidden-desktop { display: none; }

@media only screen and (max-width: 768px) {

    html, body {
        margin: 0;
        padding: 0;
        width: 100%;
        overflow-x: hidden;
    }

    .upper-menu {
        display: none;
    }

    .main-menu {
        width: 100%;
        margin: 0;
        padding: 2vh 5vw;
        box-sizing: border-box;
    }

    .hamburger {
        display: flex;
    }

    .hidden-mobile {
        display: none;
    }

    .hidden-desktop {
        display: inline;
    }

    .icon {
        display: none;
    }

    .nav-menu {
        width: 100%;
        margin: 0;
        padding: 0 5vw;
        box-sizing: border-box;
        overflow: hidden;
        max-height: 0;
        opacity: 0;
        flex-direction: column;
        align-items: flex-start;
        justify-content: flex-start;
        border-bottom-left-radius: 10px;
        border-bottom-right-radius: 10px;
        transition: max-height 0.35s ease-out, opacity 0.2s ease-out, padding 0.2s ease-out;
    }

    .nav-menu.open {
        max-height: 30rem;
        opacity: 1;
        padding: 2vh 5vw;
        transition: max-height 0.25s ease-in, opacity 0.2s ease-in, padding 0.2s ease-in;
    }

    .breadcrumb-nav {
        display: none;
    }

    .sub-menu.footer {
        width: 100%;
        margin: 0;
        padding: 2vh 5vw;
        box-sizing: border-box;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 1.25rem;
        text-align: center;
        box-shadow: none;
        border-top: 1px solid #eee;
    }

    .sub-menu.footer .logo-link img {
        display: none;
        height: 0;
        max-height: 0;
        margin: 0;
    }

    .sub-menu.footer .list {
        width: 100%;
        max-width: 520px;
        align-items: center;
        gap: 0.25rem;
    }

    .sub-menu.footer .list h3 {
        margin-bottom: 0.25rem;
        font-size: 2.4vh;
        font-weight: 800;
        letter-spacing: 0.02em;
    }

    .sub-menu.footer .list a {
        display: block;
        padding: 0.4rem 0;
    }

    .sub-menu.footer .footer-links {
        display: flex;
        gap: 1rem;
        justify-content: center;
        margin-top: 0.25rem;
    }

    .sub-menu.footer,
    .sub-menu.footer a {
        font-size: 2.1vh;
    }
}