/* ========================================
   DON CARLO - Header & Navigation Styles
   Responzívny dizajn, mega menu, mobile menu
   ======================================== */

/* CSS Variables */
:root {
    --navbar-height: 70px;
    --navbar-height-mobile: 60px;
    --color-primary: #F7941D;
    --color-red: #E30613;
    --color-dark: #333333;
    --color-text: #666666;
    --color-light: #f8f9fa;
    --color-white: #FFFFFF;
    --shadow-nav: 0 2px 10px rgba(0, 0, 0, 0.08);
    --shadow-nav-scrolled: 0 4px 20px rgba(0, 0, 0, 0.12);
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
}

/* ========================================
   NAVBAR BASE
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--navbar-height);
    background: var(--color-white);
    z-index: 1000;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-nav);
}

.navbar.is-scrolled {
    box-shadow: var(--shadow-nav-scrolled);
}

.navbar.is-hidden {
    transform: translateY(-100%);
}

.nav-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ========================================
   LOGO
   ======================================== */
.nav-logo {
    display: flex;
    align-items: center;
    gap: 16px;
}

.logo {
    display: flex;
    align-items: center;
}

.logo__img {
    height: 40px;
    width: auto;
    display: block;
}

.logo__img--partner {
    height: 35px;
    padding-left: 16px;
    border-left: 1px solid #e0e0e0;
}

/* ========================================
   DESKTOP MENU
   ======================================== */
.nav-menu {
    display: block;
}

.nav-menu__list {
    display: flex;
    align-items: center;
    gap: 8px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-menu__item {
    position: relative;
}

.nav-menu__link {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 16px;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-dark);
    text-decoration: none;
    border-radius: 6px;
    transition: all var(--transition-fast);
    background: none;
    border: none;
    cursor: pointer;
    font-family: inherit;
}

.nav-menu__link:hover {
    color: var(--color-primary);
    background: rgba(247, 148, 29, 0.05);
}

.nav-menu__arrow {
    transition: transform var(--transition-normal);
}

.nav-menu__item--has-dropdown.is-open .nav-menu__arrow {
    transform: rotate(180deg);
}

/* CTA Button in menu */
.nav-menu__item--cta {
    margin-left: 8px;
}

.nav-menu__item--cta .btn {
    padding: 10px 20px;
    font-size: 13px;
}

/* ========================================
   MEGA MENU
   ======================================== */
.mega-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    width: 850px;
    max-width: 90vw;
    background: var(--color-white);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    border-radius: 12px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 100;
    overflow: hidden;
    margin-top: 8px;
    pointer-events: none;
}

.nav-menu__item--has-dropdown.is-open .mega-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
    pointer-events: auto;
}

.mega-menu__inner {
    display: grid;
    grid-template-columns: 280px 1fr;
    min-height: 400px;
    max-height: 70vh;
}

/* Categories Column */
.mega-menu__categories {
    background: var(--color-light);
    border-right: 1px solid #e0e0e0;
    overflow-y: auto;
}

.category-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.category-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    cursor: pointer;
    transition: all var(--transition-fast);
    border-left: 4px solid transparent;
    background: transparent;
}

.category-item:hover,
.category-item.is-active {
    background: var(--color-white);
    border-left-color: var(--color-primary);
}

.category-item.is-active {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.category-item__icon {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    font-size: 12px;
    font-weight: bold;
    transition: transform var(--transition-fast);
}

.category-item.is-active .category-item__icon {
    transform: translateX(3px);
}

.category-item__text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.category-item__text strong {
    font-size: 13px;
    font-weight: 700;
    color: var(--color-dark);
    line-height: 1.3;
}

.category-item__text span {
    font-size: 11px;
    color: var(--color-text);
    line-height: 1.3;
}

/* Content Column */
.mega-menu__content {
    padding: 24px;
    overflow-y: auto;
}

.subcategory-section {
    display: none;
    animation: fadeIn 0.3s ease;
}

.subcategory-section.is-active {
    display: block;
}

.subcategory-section__title {
    font-size: 16px;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.subcategory-section__desc {
    font-size: 14px;
    color: var(--color-text);
    line-height: 1.6;
    margin-bottom: 20px;
}

.subcategory-group {
    margin-bottom: 24px;
}

.subcategory-group h5 {
    font-size: 12px;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 12px;
    padding-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 8px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.link-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 12px;
    font-size: 13px;
    color: var(--color-text);
    background: var(--color-light);
    border-radius: 6px;
    transition: all var(--transition-fast);
    border-left: 3px solid transparent;
    text-decoration: none;
}

.link-item:hover {
    background: rgba(247, 148, 29, 0.1);
    color: var(--color-dark);
}

.link-item::after {
    content: "→";
    color: var(--color-primary);
    font-size: 11px;
    opacity: 0.7;
    transition: all var(--transition-fast);
}

.link-item:hover::after {
    opacity: 1;
    transform: translateX(2px);
}

.subcategory-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.subcategory-list li {
    margin-bottom: 8px;
}

.subcategory-link {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 12px;
    font-size: 13px;
    font-weight: 600;
    color: var(--color-dark);
    background: var(--color-light);
    border-radius: 6px;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.subcategory-link:hover {
    background: rgba(247, 148, 29, 0.1);
    color: var(--color-primary);
}

.subcategory-link::after {
    content: "→";
    color: var(--color-primary);
    font-size: 11px;
}

/* ========================================
   MOBILE MENU TOGGLE
   ======================================== */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 44px;
    height: 44px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    gap: 6px;
}

.mobile-menu-toggle__line {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-dark);
    transition: all var(--transition-normal);
    transform-origin: center;
}

.mobile-menu-toggle.is-active .mobile-menu-toggle__line:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.mobile-menu-toggle.is-active .mobile-menu-toggle__line:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.is-active .mobile-menu-toggle__line:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

/* ========================================
   MOBILE MENU
   ======================================== */
.mobile-menu {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-white);
    z-index: 999;
    transform: translateX(100%);
    transition: transform var(--transition-normal);
}

.mobile-menu.is-open {
    transform: translateX(0);
}

.mobile-menu__inner {
    display: flex;
    flex-direction: column;
    height: 100%;
    max-width: 400px;
    margin-left: auto;
    background: var(--color-white);
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.1);
}

.mobile-menu__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid #e0e0e0;
}

.mobile-menu__title {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-dark);
}

.mobile-menu__close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-dark);
    border-radius: 6px;
    transition: all var(--transition-fast);
}

.mobile-menu__close:hover {
    background: var(--color-light);
    color: var(--color-primary);
}

.mobile-menu__nav {
    flex: 1;
    overflow-y: auto;
    padding: 16px 0;
}

.mobile-menu__list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.mobile-menu__item {
    border-bottom: 1px solid #f0f0f0;
}

.mobile-menu__item--cta {
    padding: 20px;
    border-bottom: none;
}

.mobile-menu__item--cta .btn {
    width: 100%;
    text-align: center;
}

.mobile-menu__link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    font-size: 15px;
    font-weight: 600;
    color: var(--color-dark);
    text-decoration: none;
    background: none;
    border: none;
    width: 100%;
    text-align: left;
    cursor: pointer;
    font-family: inherit;
    transition: all var(--transition-fast);
}

.mobile-menu__link:hover {
    background: var(--color-light);
    color: var(--color-primary);
}

.mobile-menu__arrow {
    transition: transform var(--transition-normal);
}

.mobile-menu__item.is-open .mobile-menu__arrow {
    transform: rotate(90deg);
}

/* Mobile Submenu */
.mobile-submenu {
    display: none;
    list-style: none;
    margin: 0;
    padding: 0;
    background: var(--color-light);
}

.mobile-menu__item.is-open .mobile-submenu {
    display: block;
    animation: slideDown 0.3s ease;
}

.mobile-submenu__item {
    border-bottom: 1px solid #e8e8e8;
}

.mobile-submenu__item--title {
    padding: 12px 20px 8px;
    font-size: 11px;
    font-weight: 700;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: rgba(247, 148, 29, 0.05);
    border-bottom: none;
}

.mobile-submenu__item--subline {
    padding: 4px 20px 12px;
    font-size: 10px;
    font-weight: 400;
    color: var(--color-text);
    text-transform: none;
    letter-spacing: 0.3px;
    background: transparent;
    border-bottom: none;
    opacity: 0.8;
}

.mobile-submenu__link {
    display: block;
    padding: 12px 20px 12px 32px;
    font-size: 14px;
    color: var(--color-text);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.mobile-submenu__link:hover {
    color: var(--color-primary);
    background: rgba(247, 148, 29, 0.05);
}

/* ========================================
   ANIMATIONS
   ======================================== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideDown {
    from {
        opacity: 0;
        max-height: 0;
    }
    to {
        opacity: 1;
        max-height: 500px;
    }
}

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

/* Tablet (max 1024px) */
@media (max-width: 1024px) {
    .nav-menu {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .mobile-menu {
        display: block;
    }
    
    .nav-logo {
        gap: 12px;
    }
    
    .logo__img {
        height: 35px;
    }
    
    .logo__img--partner {
        height: 30px;
        padding-left: 12px;
    }
}

/* Mobile (max 768px) */
@media (max-width: 768px) {
    :root {
        --navbar-height: 60px;
    }
    
    .nav-content {
        padding: 0 16px;
    }
    
    .logo__img--partner {
        display: none;
    }
    
    .mobile-menu__inner {
        max-width: 100%;
    }
}

/* Small Mobile (max 480px) */
@media (max-width: 480px) {
    .logo__img {
        height: 30px;
    }
    
    .mobile-menu-toggle {
        width: 40px;
        height: 40px;
    }
}

/* ========================================
   SCROLLBAR STYLING
   ======================================== */
.mega-menu__categories::-webkit-scrollbar,
.mega-menu__content::-webkit-scrollbar,
.mobile-menu__nav::-webkit-scrollbar {
    width: 6px;
}

.mega-menu__categories::-webkit-scrollbar-track,
.mega-menu__content::-webkit-scrollbar-track,
.mobile-menu__nav::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 3px;
}

.mega-menu__categories::-webkit-scrollbar-thumb,
.mega-menu__content::-webkit-scrollbar-thumb,
.mobile-menu__nav::-webkit-scrollbar-thumb {
    background: var(--color-primary);
    border-radius: 3px;
}

/* ========================================
   ACCESSIBILITY
   ======================================== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus styles */
.nav-menu__link:focus,
.mobile-menu__link:focus,
.mobile-menu__close:focus,
.mobile-menu-toggle:focus,
.link-item:focus,
.subcategory-link:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Skip link */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--color-primary);
    color: var(--color-dark);
    padding: 8px 16px;
    text-decoration: none;
    font-weight: 600;
    z-index: 10000;
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: 0;
}