/* ========================================================
   Metro IVF - Premium Navbar & Header Styling
   ======================================================== */

/* --- Top Bar Announcement / Contact Strip --- */
.top-bar {
    background: var(--primary-slate);
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.84rem;
    padding: 7px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    position: relative;
    z-index: 101;
}

.top-bar-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.top-bar-left, .top-bar-right {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.top-bar-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
    transition: color 0.2s ease;
}

.top-bar-item:hover {
    color: var(--brand-yellow);
}

.top-bar-item i {
    color: var(--brand-yellow);
    font-size: 0.9rem;
}

.top-social-links {
    display: flex;
    align-items: center;
    gap: 10px;
}

.top-social-icon {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    font-size: 0.78rem;
    transition: all 0.25s ease;
}

.top-social-icon:hover {
    background: var(--brand-yellow);
    color: var(--primary-slate);
    transform: translateY(-2px);
}

.top-social-icon.wa:hover {
    background: #25D366;
    color: #ffffff;
}

.top-social-icon.fb:hover {
    background: #1877F2;
    color: #ffffff;
}

.top-social-icon.insta:hover {
    background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
    color: #ffffff;
}

/* --- Main Navigation Header --- */
.header {
    position: sticky;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--nav-height, 85px);
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    z-index: 100;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.header.scrolled {
    height: 72px;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 10px 30px rgba(11, 30, 51, 0.08);
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

/* Logo */
.logo-container {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    transition: transform 0.2s ease;
}

.logo-container:hover {
    transform: scale(1.02);
}

.navbar-logo {
    height: 46px;
    width: auto;
    object-fit: contain;
    border-radius: 8px;
}

.logo-text-group {
    display: flex;
    flex-direction: column;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.45rem;
    font-weight: 800;
    color: var(--primary-slate);
    letter-spacing: -0.5px;
    line-height: 1.1;
}

.logo-subtext {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--champagne-gold);
    letter-spacing: 1.2px;
    text-transform: uppercase;
}

/* Desktop Nav Links */
.desktop-nav {
    display: flex;
    align-items: center;
    gap: 1.8rem;
}

.nav-link {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-primary);
    text-decoration: none;
    position: relative;
    padding: 6px 2px;
    transition: color 0.25s ease;
}

.nav-link:hover, .nav-link.active {
    color: var(--brand-yellow);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2.5px;
    background: var(--brand-yellow);
    border-radius: 2px;
    transition: width 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.nav-link:hover::after, .nav-link.active::after {
    width: 100%;
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.header-call-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 9px 16px;
    border-radius: 50px;
    background: var(--yellow-bg);
    color: var(--primary-slate);
    font-weight: 700;
    font-size: 0.88rem;
    text-decoration: none;
    border: 1px solid rgba(244, 197, 66, 0.4);
    transition: all 0.25s ease;
}

.header-call-btn:hover {
    background: var(--brand-yellow);
    color: var(--primary-slate);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.header-call-btn i {
    color: var(--primary-slate);
}

/* Hamburger Button */
.menu-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background: var(--surface-gray);
    color: var(--primary-slate);
    font-size: 1.25rem;
    cursor: pointer;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-light);
    transition: all 0.2s ease;
}

.menu-toggle:hover {
    background: var(--yellow-bg);
    color: var(--brand-yellow);
}

/* --- Mobile Menu Drawer --- */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 86%;
    max-width: 380px;
    height: 100vh;
    background: var(--surface-white);
    box-shadow: -10px 0 40px rgba(11, 30, 51, 0.15);
    z-index: 1000;
    padding: 2rem 1.75rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: right 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    overflow-y: auto;
}

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

.mobile-menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 1.25rem;
    border-bottom: 1px solid var(--border-light);
}

.close-menu {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--surface-gray);
    color: var(--primary-slate);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.15rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.close-menu:hover {
    background: var(--primary-slate);
    color: #fff;
}

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin: 1.5rem 0;
}

.mobile-nav-links a {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary-slate);
    text-decoration: none;
    padding: 10px 14px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: all 0.2s ease;
}

.mobile-nav-links a:hover, .mobile-nav-links a.active {
    background: var(--yellow-bg);
    color: var(--champagne-gold);
}

.mobile-menu-footer {
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-light);
}

.mobile-contact-card {
    background: var(--surface-offwhite);
    padding: 14px;
    border-radius: 12px;
    margin-bottom: 1rem;
    font-size: 0.88rem;
}

.mobile-socials {
    display: flex;
    gap: 12px;
    justify-content: center;
    margin-top: 1rem;
}