/* ==========================================================
   TOP BAR
========================================================== */

.topbar{
    background:var(--color-footer);
    color:#fff;
    height:var(--topbar-height);
    display:flex;
    align-items:center;
    font-size:14px;
}

.topbar-inner{
    display:flex;
    align-items:center;
    justify-content:space-between;
    height:100%;
}

.topbar-list{
    display:flex;
    align-items:center;
    gap:28px;
}

.topbar-item{
    display:flex;
    align-items:center;
    gap:8px;
    color:#dbeafe;
}

.topbar-item svg{
    width:17px;
    height:17px;
    color:#fff;
}

.topbar-social{
    display:flex;
    align-items:center;
    gap:14px;
}

.topbar-social a{
    color:#dbeafe;
    transition:var(--transition-fast);
}

.topbar-social a:hover{
    color:#fff;
}


/* ==========================================================
   MAIN HEADER
========================================================== */

.header{
    position:relative;
    background:#fff;
    z-index:var(--z-sticky);
    transition:var(--transition-normal);
}

.header.sticky{
    position:fixed;
    top:0;
    right:0;
    left:0;
    box-shadow:var(--shadow-sm);
    backdrop-filter:blur(14px);
}

.header-inner{
    height:var(--header-height);
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:20px;
}


/* ==========================================================
   BRAND / LOGO
========================================================== */

.brand{
    display:flex;
    align-items:center;
    gap:14px;
    flex-shrink:0;
}

.brand-logo{
    width:58px;
    height:58px;
    border-radius:18px;
    object-fit:cover;
    background:#eef4fa;
}

.brand-text{
    display:flex;
    flex-direction:column;
}

.brand-name{
    font-size:20px;
    font-weight:900;
    line-height:1.3;
    color:var(--color-footer);
}

.brand-subtitle{
    font-size:12px;
    color:var(--color-text-muted);
}


/* ==========================================================
   DESKTOP MENU
========================================================== */

.main-menu{
    display:flex;
    align-items:center;
    gap:34px;
}

.main-menu > li{
    position:relative;
}

.main-menu > li > a{
    position:relative;
    display:flex;
    align-items:center;
    color:var(--color-text);
    font-size:15px;
    font-weight:600;
    padding-block:10px;
}

.main-menu > li > a::after{
    content:"";
    position:absolute;
    right:0;
    bottom:0;
    width:0;
    height:2px;
    background:var(--color-primary);
    transition:var(--transition-normal);
}

.main-menu > li > a:hover{
    color:var(--color-primary);
}

.main-menu > li > a:hover::after{
    width:100%;
}

.main-menu .active{
    color:var(--color-primary);
}

.main-menu .active::after{
    width:100%;
}


/* ==========================================================
   DESKTOP DROPDOWN
========================================================== */

.has-dropdown{
    position:relative;
}

.dropdown-toggle{
    display:flex;
    align-items:center;
    gap:7px;
}

.dropdown-arrow{
    font-size:11px;
    color:var(--color-text-muted);
    transition:var(--transition-normal);
}

.has-dropdown:hover .dropdown-arrow,
.has-dropdown:focus-within .dropdown-arrow{
    color:var(--color-primary);
    transform:rotate(180deg);
}

.submenu{
    position:absolute;
    top:calc(100% + 8px);
    right:0;
    min-width:220px;
    margin:0;
    padding:10px 0;
    background:#fff;
    border:1px solid var(--color-border);
    border-radius:16px;
    box-shadow:0 18px 40px rgba(0, 0, 0, .08);
    opacity:0;
    visibility:hidden;
    transform:translateY(10px);
    transition:var(--transition-normal);
    z-index:1200;
}

.has-dropdown:hover .submenu,
.has-dropdown:focus-within .submenu{
    opacity:1;
    visibility:visible;
    transform:translateY(0);
}

.submenu li{
    width:100%;
}

.submenu a{
    display:block;
    padding:12px 18px;
    color:var(--color-text);
    font-size:14px;
    font-weight:600;
    white-space:nowrap;
    transition:var(--transition-fast);
}

.submenu a:hover{
    padding-right:22px;
    color:var(--color-primary);
    background:#f8fbff;
}


/* ==========================================================
   HEADER ACTIONS
========================================================== */

.header-actions{
    display:flex;
    align-items:center;
    gap:12px;
    flex-shrink:0;
}

.header-search{
    width:44px;
    height:44px;
    display:flex;
    align-items:center;
    justify-content:center;
    border:1px solid var(--color-border);
    border-radius:50%;
    color:var(--color-text);
    transition:var(--transition-normal);
}

.header-search:hover{
    background:var(--color-primary);
    border-color:var(--color-primary);
    color:#fff;
}

.emergency-btn{
    display:flex;
    align-items:center;
    gap:8px;
    height:48px;
    padding-inline:22px;
    border-radius:var(--radius-pill);
    background:#dc2626;
    color:#fff;
    font-weight:700;
}

.emergency-btn:hover{
    background:#b91c1c;
    color:#fff;
}

.appointment-btn{
    display:flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    height:48px;
    padding-inline:24px;
    border-radius:var(--radius-pill);
    background:var(--color-primary);
    color:#fff;
    font-weight:700;
    white-space:nowrap;
    transition:var(--transition-normal);
}

.appointment-btn:hover{
    background:var(--color-primary-dark);
    color:#fff;
}


/* ==========================================================
   MOBILE TOGGLE BUTTON
========================================================== */

.mobile-toggle{
    display:none;
    align-items:center;
    justify-content:center;
    width:44px;
    height:44px;
    border:1px solid var(--color-border);
    border-radius:12px;
    background:#fff;
    color:var(--color-text);
    cursor:pointer;
    transition:var(--transition-fast);
}

.mobile-toggle:hover{
    border-color:var(--color-primary);
    color:var(--color-primary);
}


/* ==========================================================
   MOBILE MENU
========================================================== */

.mobile-overlay{
    display:none;
    position:fixed;
    inset:0;
    background:rgba(0, 0, 0, .35);
    z-index:1900;
}

.mobile-overlay.open{
    display:block;
}

.mobile-menu{
    display:none;
    position:fixed;
    top:0;
    right:-100%;
    width:320px;
    max-width:85vw;
    height:100vh;
    padding:30px;
    overflow-y:auto;
    background:#fff;
    box-shadow:-10px 0 40px rgba(0, 0, 0, .12);
    transition:var(--transition-normal);
    z-index:2000;
}

.mobile-menu.open{
    right:0;
}

.mobile-main-menu{
    display:flex;
    flex-direction:column;
    gap:20px;
    margin:0;
    padding:0;
    list-style:none;
}

.mobile-main-menu > li > a{
    display:block;
    color:var(--color-text);
    font-size:18px;
    font-weight:700;
    transition:var(--transition-fast);
}

.mobile-main-menu > li > a:hover{
    color:var(--color-primary);
}


/* ==========================================================
   MOBILE ACCORDION DROPDOWN
========================================================== */

.mobile-dropdown{
    width:100%;
}

.mobile-dropdown-title{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:12px;
    color:var(--color-text);
    font-size:18px;
    font-weight:700;
    cursor:pointer;
    list-style:none;
    user-select:none;
}

.mobile-dropdown-title::-webkit-details-marker{
    display:none;
}

.mobile-dropdown-title::marker{
    display:none;
    content:"";
}

.mobile-dropdown-arrow{
    font-size:13px;
    color:var(--color-text-muted);
    transition:var(--transition-normal);
}

.mobile-dropdown[open] .mobile-dropdown-arrow{
    color:var(--color-primary);
    transform:rotate(180deg);
}

.mobile-submenu{
    display:flex;
    flex-direction:column;
    gap:10px;
    margin:14px 4px 0 0;
    padding:0 14px 0 0;
    list-style:none;
    border-right:2px solid var(--color-primary);
}

.mobile-submenu a{
    display:block;
    color:var(--color-text-muted);
    font-size:15px;
    font-weight:600;
    transition:var(--transition-fast);
}

.mobile-submenu a:hover{
    padding-right:5px;
    color:var(--color-primary);
}


/* ==========================================================
   RESPONSIVE
========================================================== */

@media (max-width:1200px){

    .main-menu{
        gap:20px;
    }

    .appointment-btn{
        padding-inline:18px;
    }

}


@media (max-width:992px){

    .topbar{
        display:none;
    }

    .desktop-nav,
    .header-actions .emergency-btn,
    .header-actions .appointment-btn{
        display:none;
    }

    .mobile-toggle{
        display:flex;
    }

    .mobile-menu{
        display:block;
    }

    .header-inner{
        height:76px;
    }

    .brand-logo{
        width:48px;
        height:48px;
    }

    .brand-name{
        font-size:17px;
    }
}


@media (max-width:576px){

    .mobile-menu{
        width:280px;
        padding:24px;
    }

    .brand-subtitle{
        display:none;
    }

    .appointment-btn{
        height:42px;
        padding-inline:14px;
        font-size:13px;
    }

}

/* ===================================
   SMALL MOBILE HEADER FIX
=================================== */

@media (max-width: 576px) {
    .header-inner {
        gap: 10px;
    }

    .brand {
        min-width: 0;
        gap: 10px;
    }

    .brand-text {
        min-width: 0;
    }

    .brand-name {
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .header-actions {
        flex: 0 0 auto;
        gap: 0;
    }

    /* جلوگیری از فشرده یا نصفه‌شدن دکمه همبرگری */
    .mobile-toggle {
        flex: 0 0 44px;
        width: 44px;
        height: 44px;
        min-width: 44px;
        min-height: 44px;
    }
}

/* موبایل‌های بسیار کوچک؛ مانند 320px */
@media (max-width: 359.98px) {
    .header-inner {
        height: 68px;
        gap: 7px;
    }

    .brand {
        gap: 8px;
    }

    .brand-logo {
        width: 42px;
        height: 42px;
        border-radius: 14px;
    }

    .brand-name {
        font-size: 14px;
    }

    .mobile-toggle {
        flex-basis: 40px;
        width: 40px;
        height: 40px;
        min-width: 40px;
        min-height: 40px;
        border-radius: 10px;
    }

    .mobile-toggle i,
    .mobile-toggle svg {
        font-size: 17px;
        width: 17px;
        height: 17px;
    }

    .mobile-menu {
        width: min(280px, 88vw);
        padding: 20px 18px;
    }

    .mobile-main-menu {
        gap: 17px;
    }

    .mobile-main-menu > li > a,
    .mobile-dropdown-title {
        font-size: 16px;
    }

    .mobile-submenu a {
        font-size: 14px;
    }
}