:root {
    --brand-red: #E11D48;
    --brand-red-dark: #BE123C;
    --brand-bg: #B91C1C;
    --text-on-red: #FFFFFF;
    --muted-on-red: rgba(255, 255, 255, 0.75);
    --header-height: 72px;
    --header-height-scrolled: 64px;
    --topbar-height: 36px;
}

/* Header Styles */
.header-wrapper {
    position: sticky;
    top: 0;
    z-index: 1030;
    width: 100%;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.header-wrapper.is-scrolled {
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

/* Topbar */
.topbar {
    background-color: #f8f9fa;
    font-size: 0.85rem;
    height: var(--topbar-height);
    display: flex;
    align-items: center;
    border-bottom: 1px solid rgba(0,0,0,0.05);
    transition: margin-top 0.3s ease, height 0.3s ease, opacity 0.3s ease;
}

.is-scrolled .topbar {
    height: 0;
    overflow: visible;
    opacity: 0;
    border: none;
    pointer-events: none;
}

.topbar a {
    color: #4b5563;
    transition: color 0.2s;
}

.topbar a:hover {
    color: var(--brand-red);
    text-decoration: none;
}

/* Main Navbar */
.navbar-gat {
    background-color: var(--brand-bg);
    padding: 0;
    height: var(--header-height);
    transition: height 0.3s ease;
}

.is-scrolled .navbar-gat {
    height: var(--header-height-scrolled);
}

.navbar-gat .container {
    height: 100%;
    display: flex;
    align-items: center;
}

.navbar-brand img {
    height: 48px;
    width: auto;
    transition: height 0.3s ease;
}

.is-scrolled .navbar-brand img {
    height: 40px;
}

/* Navigation Links */
.navbar-gat .nav-link {
    color: var(--text-on-red) !important;
    font-weight: 500;
    letter-spacing: 0.2px;
    padding: 0.5rem 1rem !important;
    position: relative;
    transition: all 0.2s ease;
    text-transform: uppercase;
    font-size: 0.85rem;
}

.navbar-gat .nav-item.dropdown .dropdown-toggle::after {
    display: inline-block;
    vertical-align: middle;
    margin-left: 5px;
    transition: transform 0.3s ease;
}

@media (min-width: 992px) {
    .navbar-gat .nav-item.dropdown:hover .dropdown-toggle::after {
        transform: rotate(180deg);
    }
}

.navbar-gat .nav-item.dropdown.show .dropdown-toggle::after {
    transform: rotate(180deg);
}

.navbar-gat .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 1rem;
    right: 1rem;
    height: 2px;
    background-color: white;
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.navbar-gat .nav-item:hover .nav-link::after,
.navbar-gat .nav-item.active .nav-link::after {
    transform: scaleX(1);
}

.navbar-gat .nav-item.active .nav-link {
    background-color: rgba(255,255,255,0.1);
}

.navbar-gat .nav-item.dropdown:hover > .dropdown-menu {
    display: none;
}

@media (min-width: 992px) {
    .navbar-gat .nav-item.dropdown.show > .dropdown-menu {
        display: block !important;
    }
}

/* Dropdown */
.navbar-gat .dropdown-menu {
    border: 1px solid rgba(255,255,255,0.18);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.2);
    background-color: var(--brand-red-dark);
    margin-top: 0;
    border-radius: 12px;
    padding: 8px 0;
    min-width: 220px;
    max-height: 70vh;
    overflow-y: auto;
}

/* Custom Scrollbar za dropdown */
.navbar-gat .dropdown-menu::-webkit-scrollbar {
    width: 5px;
}
.navbar-gat .dropdown-menu::-webkit-scrollbar-track {
    background: rgba(0,0,0,0.05);
}
.navbar-gat .dropdown-menu::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.2);
    border-radius: 10px;
}

.navbar-gat .dropdown-item {
    color: var(--text-on-red);
    font-size: 0.9rem;
    padding: 0.75rem 1.5rem;
    transition: all 0.2s;
    line-height: 1.4;
}

.navbar-gat .dropdown-item:hover {
    background-color: rgba(255,255,255,0.1);
    text-decoration: none;
}

.navbar-gat .dropdown-item.active, 
.navbar-gat .dropdown-item:active {
    background-color: rgba(255,255,255,0.2);
    font-weight: 600;
}

/* CTA Button */
.btn-cta {
    border: 2px solid white;
    color: white;
    border-radius: 50px;
    padding: 0.4rem 1.25rem;
    font-weight: 600;
    font-size: 0.85rem;
    transition: all 0.3s ease;
    text-transform: uppercase;
}

.btn-cta:hover {
    background-color: white;
    color: var(--brand-red);
    text-decoration: none;
}

/* Mobile Toggler & Phone */
.btn-phone-mobile {
    color: white;
    border: 1px solid rgba(255,255,255,0.6);
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.2s ease;
}

.btn-phone-mobile:hover {
    background: white;
    color: var(--brand-red);
    text-decoration: none;
}

.navbar-toggler {
    border: none;
    padding: 0;
}

.navbar-toggler:focus {
    outline: none;
}

.hamburger-inner, .hamburger-inner::before, .hamburger-inner::after {
    background-color: white;
}

/* Mobile Menu */
@media (max-width: 991.98px) {
    .header-wrapper {
        overflow: visible;
    }

    .navbar-collapse {
        background-color: var(--brand-red-dark);
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        padding: 0; /* Uklonjen padding sa kontejnera da linkovi idu do ivica */
        box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
        max-height: 85vh;
        overflow-y: auto;
    }
    
    .navbar-gat .navbar-nav {
        padding: 10px 0;
    }

    .navbar-gat .nav-link {
        padding: 14px 20px !important;
        text-transform: none;
        font-size: 1rem;
        border-bottom: 1px solid rgba(255,255,255,0.08);
    }
    
    .navbar-gat .nav-link::after {
        display: none;
    }
    
    .navbar-gat .nav-item {
        border-bottom: none;
    }
    
    .navbar-gat .nav-item.active .nav-link {
        background-color: rgba(255,255,255,0.1);
        font-weight: 600;
    }

    .navbar-gat .dropdown-menu {
        background-color: rgba(0,0,0,0.1);
        border: none;
        box-shadow: none;
        border-radius: 0;
        margin: 0;
        padding: 0;
        display: none; /* Skriveno po defaultu, JS kontrolira slide */
    }

    .navbar-gat .dropdown-item {
        padding: 12px 35px;
        border-bottom: 1px solid rgba(255,255,255,0.05);
    }

    .navbar-gat .mobile-footer {
        padding: 15px 20px;
        background-color: rgba(0,0,0,0.15);
        margin-top: 10px;
    }

    .topbar .header-address {
        display: none;
    }
}