/* ── Header ───────────────────────────────────────────── */
.site-header {
    background: var(--surface-glass);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-bottom: 1px solid var(--border-color);
    transition: transform .35s ease, background .3s;
    z-index: 1000;
}

.navbar { padding: .75rem 0; }

/* Brand */
.navbar-brand {
    display: flex;
    align-items: center;
    gap: .6rem;
    text-decoration: none;
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--text-primary);
    transition: var(--transition);
}
.navbar-brand:hover { color: var(--primary); transform: translateY(-1px); }

.brand-logo {
    width: 42px; height: 42px;
    background: var(--primary-gradient);
    border-radius: var(--radius-md);
    display: flex; align-items: center; justify-content: center;
    color: #fff;
    font-size: 1.3rem;
    box-shadow: 0 4px 14px var(--primary-shadow);
    flex-shrink: 0;
}
.brand-logo-sm { width: 34px; height: 34px; font-size: 1rem; }

.brand-name { color: var(--text-primary); }
.brand-accent {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Nav Links */
.navbar-nav .nav-link {
    display: flex;
    align-items: center;
    gap: .35rem;
    padding: .45rem .85rem;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-weight: 500;
    font-size: .93rem;
    transition: var(--transition);
    position: relative;
}
.navbar-nav .nav-link i { font-size: 1.05rem; }
.navbar-nav .nav-link:hover {
    color: var(--primary);
    background: var(--primary-light);
}
.navbar-nav .nav-link.active {
    color: var(--primary);
    background: var(--primary-light);
    font-weight: 600;
}
.navbar-nav .nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0; left: .85rem; right: .85rem;
    height: 2px;
    background: var(--primary-gradient);
    border-radius: 2px 2px 0 0;
}

/* Header CTA Buttons */
.btn-primary-custom {
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    padding: .5rem 1.25rem;
    background: var(--primary-gradient);
    color: #fff !important;
    border: none;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: .9rem;
    text-decoration: none;
    transition: var(--transition);
    box-shadow: 0 4px 14px var(--primary-shadow);
}
.btn-primary-custom:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px var(--primary-shadow);
}

.btn-outline-primary-custom {
    display: inline-flex;
    align-items: center;
    padding: .5rem 1.25rem;
    background: transparent;
    color: var(--primary) !important;
    border: 1.5px solid var(--primary);
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: .9rem;
    text-decoration: none;
    transition: var(--transition);
}
.btn-outline-primary-custom:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
}

/* Mobile Toggler */
.navbar-toggler {
    background: var(--surface-secondary);
    color: var(--text-primary);
    border-radius: var(--radius-md);
    padding: .4rem .6rem;
}
.navbar-toggler:focus { box-shadow: 0 0 0 3px var(--primary-light); }

/* Responsive */
@media (max-width: 991px) {
    .navbar-collapse {
        padding: var(--space-md) 0;
        border-top: 1px solid var(--border-color);
        margin-top: .5rem;
    }
    .navbar-nav .nav-link.active::after { display: none; }
}




/* حذف نیاز به کلیک - فعال‌سازی با هاور */
.nav-item.dropdown:hover .dropdown-menu {
    display: block;
    animation: dropdownSlide 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Dropdown Advanced Styling */
.dropdown-menu {
    background: linear-gradient(135deg,
        rgba(255, 255, 255, 0.98) 0%,
        rgba(245, 252, 248, 0.98) 100%);
    backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid rgba(16, 185, 129, 0.15);
    border-radius: 16px;
    box-shadow:
        0 20px 60px rgba(16, 185, 129, 0.12),
        0 8px 20px rgba(0, 0, 0, 0.06),
        inset 0 1px 0 rgba(255, 255, 255, 0.8);
    padding: 1rem;
    min-width: 280px;
    max-height: 580px;
    overflow-y: auto;
    animation: dropdownSlide 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes dropdownSlide {
    from {
        opacity: 0;
        transform: translateY(-15px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.dropdown-section {
    padding: 0.25rem 0;
}

.dropdown-header {
    color: var(--primary);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.5rem 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.25rem;
    background: linear-gradient(90deg,
        rgba(16, 185, 129, 0.08) 0%,
        transparent 100%);
    border-radius: 8px;
}

.dropdown-header i {
    font-size: 1rem;
    color: var(--primary);
}

.dropdown-item {
    color: var(--text-primary);
    padding: 0.65rem 1rem;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: 0.92rem;
    font-weight: 500;
    border-radius: 10px;
    margin: 0.15rem 0;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    position: relative;
    overflow: hidden;
}

.dropdown-item i {
    font-size: 1.15rem;
    color: var(--primary);
    transition: all 0.25s ease;
}

.dropdown-item::before {
    content: '';
    position: absolute;
    right: 0;
    top: 0;
    height: 100%;
    width: 0;
    background: linear-gradient(90deg,
        var(--primary) 0%,
        var(--secondary) 100%);
    border-radius: 10px;
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: -1;
}

/* Light theme */
.dropdown-item:hover {
    color: #fff !important;
    background: linear-gradient(90deg, var(--primary) 0%, var(--secondary, #059669) 100%);
    transform: translateX(-5px);
    padding-right: 1.3rem;
}

.dropdown-item:hover i {
    color: #fff !important;
    transform: scale(1.15) rotate(5deg);
}

/* Dark theme */
[data-theme="dark"] .dropdown-menu {
    background: linear-gradient(135deg,
        rgba(30, 41, 59, 0.98) 0%,
        rgba(15, 30, 25, 0.98) 100%);
    border-color: rgba(16, 185, 129, 0.25);
}

[data-theme="dark"] .dropdown-item {
    color: #e2e8f0;
}

[data-theme="dark"] .dropdown-item:hover {
    color: #fff !important;
    background: linear-gradient(90deg, var(--primary) 0%, #065f46 100%);
}

[data-theme="dark"] .dropdown-header {
    color: var(--primary);
    background: linear-gradient(90deg, rgba(16, 185, 129, 0.15) 0%, transparent 100%);
}



.dropdown-divider {
    border-color: rgba(16, 185, 129, 0.15);
    margin: 0.75rem 0;
    opacity: 1;
    background: linear-gradient(90deg,
        transparent 0%,
        rgba(16, 185, 129, 0.2) 50%,
        transparent 100%);
    height: 1px;
    border: none;
}

/* Scrollbar for dropdown */
.dropdown-menu::-webkit-scrollbar {
    width: 6px;
}

.dropdown-menu::-webkit-scrollbar-track {
    background: rgba(16, 185, 129, 0.05);
    border-radius: 10px;
}

.dropdown-menu::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 10px;
}

.dropdown-menu::-webkit-scrollbar-thumb:hover {
    background: var(--secondary);
}

/* Mobile responsive */
@media (max-width: 991px) {
    .dropdown-menu {
        min-width: 100%;
        margin-top: 0.5rem;
        max-height: 400px;
    }
}