/* Шапка сайту */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: #ffffff !important;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    height: var(--header-height);
    z-index: 1000;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: transform;
    padding: 0;
    margin: 0;
}

/* Анімація при скролі */
.navbar.scroll-down {
    transform: translateY(calc(-100% - 10px));
}

.navbar.scroll-up {
    transform: translateY(0);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

/* Стан при відкритому мобільному меню */
body.menu-open {
    overflow: hidden;
}

body.menu-open .navbar {
    box-shadow: none;
}

/* Контейнер навігації */
.navbar .container {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    height: 100%;
    padding: 0 var(--container-padding);
    max-width: var(--container-max-width);
    margin: 0 auto;
    position: relative;
    background: inherit;
    gap: 1.5rem;
}

/* Логотип */
.navbar-brand {
    display: flex;
    align-items: center;
    margin: 0;
    z-index: 1001;
    height: 100%;
    padding: 10px 0;
    margin-right: auto;
    margin-left: 0;
    flex-shrink: 0;
}

.navbar-brand img {
    height: 40px;
    width: auto;
    transition: height 0.3s ease;
    display: block;
    object-fit: contain;
}

/* Основна навігація */
.navbar-nav {
    display: flex;
    align-items: center;
    margin: 0;
    padding: 0;
    list-style: none;
    height: 100%;
    gap: 1rem;
}

.nav-item {
    margin: 0;
    height: 100%;
    display: flex;
    align-items: center;
    white-space: nowrap;
}

.nav-link {
    display: flex;
    align-items: center;
    padding: 0;
    height: 100%;
    color: var(--dark-gray) !important;
    font-weight: var(--font-weight-medium);
    text-decoration: none;
    position: relative;
    transition: color 0.3s ease;
    font-size: 0.9rem;
}

.nav-link::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-main);
    transition: width 0.3s ease;
}

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

.nav-link:hover,
.nav-link.active {
    color: var(--primary-blue) !important;
    font-weight: var(--font-weight-bold);
}

/* Перемикач мов */
.lang-switcher {
    margin: 0;
    margin-right: var(--container-padding);
    position: relative;
    z-index: 1001;
    height: 100%;
    display: flex;
    align-items: center;
}

.lang-switcher .btn-link {
    display: flex;
    align-items: center;
    padding: 0 10px;
    height: 100%;
    color: var(--dark-gray) !important;
    font-weight: var(--font-weight-medium);
    text-decoration: none;
    position: relative;
    transition: color 0.3s ease;
    font-size: 14px;
    border: none;
    background: transparent;
}

.lang-switcher .btn-link::before {
    content: '';
    position: absolute;
    left: 10px;
    right: 10px;
    bottom: 0;
    height: 2px;
    background: var(--gradient-main);
    transform: scaleX(0);
    transition: transform 0.3s ease;
    transform-origin: left;
}

.lang-switcher .btn-link:hover::before,
.lang-switcher .btn-link:focus::before {
    transform: scaleX(1);
}

.lang-switcher .btn-link:hover,
.lang-switcher .btn-link:focus {
    color: var(--primary-blue) !important;
    font-weight: var(--font-weight-bold);
}

/* Прибираємо стандартну стрілку дропдауна */
.lang-switcher .btn-link.dropdown-toggle::after {
    display: none;
}

/* Стилі для випадаючого списку мов */
.lang-switcher .dropdown-menu {
    background-color: var(--white);
    border: 1px solid var(--medium-gray);
    border-radius: 4px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    padding: 8px 0;
    min-width: 160px;
}

.lang-switcher .dropdown-item {
    display: flex;
    align-items: center;
    padding: 8px 15px;
    color: var(--dark-gray);
    font-size: 14px;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.lang-switcher .dropdown-item:hover,
.lang-switcher .dropdown-item:focus {
    background-color: var(--light-gray);
    color: var(--primary-blue);
}

.flag-icon {
    width: 20px;
    height: 13px;
    margin-right: 6px;
    border-radius: 2px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    flex-shrink: 0;
}

/* Мобільне меню */
.navbar-toggler {
    display: none;
    padding: 0;
    width: 30px;
    height: 24px;
    border: none;
    background: transparent;
    cursor: pointer;
    position: relative;
    z-index: 1001;
}

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

.navbar-toggler-icon,
.navbar-toggler-icon::before,
.navbar-toggler-icon::after {
    position: absolute;
    width: 24px;
    height: 3px;
    background: var(--gradient-main);
    transition: all 0.3s ease;
    border-radius: 3px;
    left: 0;
}

.navbar-toggler-icon {
    top: 50%;
    transform: translateY(-50%);
}

.navbar-toggler-icon::before {
    content: '';
    top: -8px;
}

.navbar-toggler-icon::after {
    content: '';
    bottom: -8px;
}

/* Анімація мобільного меню */
body.menu-open .navbar-toggler-icon {
    background: transparent;
}

body.menu-open .navbar-toggler-icon::before {
    transform: translateY(8px) rotate(45deg);
}

body.menu-open .navbar-toggler-icon::after {
    transform: translateY(-8px) rotate(-45deg);
}

/* Стилі для випадаючого меню з телефонами */
.phone-dropdown {
    position: relative;
    z-index: 1001;
    height: 100%;
    display: flex;
    align-items: center;
}

.phone-dropdown .btn-link {
    display: flex;
    align-items: center;
    padding: 0 10px;
    height: 100%;
    color: var(--dark-gray) !important;
    font-weight: var(--font-weight-medium);
    text-decoration: none;
    position: relative;
    transition: color 0.3s ease;
    font-size: 14px;
    border: none;
    background: transparent;
}

.phone-dropdown .btn-link::before {
    content: '';
    position: absolute;
    left: 10px;
    right: 10px;
    bottom: 0;
    height: 2px;
    background: var(--gradient-main);
    transform: scaleX(0);
    transition: transform 0.3s ease;
    transform-origin: left;
}

.phone-dropdown .btn-link:hover::before,
.phone-dropdown .btn-link:focus::before {
    transform: scaleX(1);
}

.phone-dropdown .btn-link:hover,
.phone-dropdown .btn-link:focus {
    color: var(--primary-blue) !important;
    font-weight: var(--font-weight-bold);
}

/* Прибираємо стандартну стрілку дропдауна */
.phone-dropdown .btn-link.dropdown-toggle::after {
    display: none;
}

.phone-dropdown .dropdown-menu {
    top: auto;
    bottom: 100%;
    transform: translateY(-10px);
    transition: transform 0.3s ease;
    background-color: var(--white);
    border: 1px solid var(--medium-gray);
    border-radius: 4px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    padding: 8px 0;
    min-width: 280px;
}

.phone-dropdown .dropdown-header {
    color: var(--dark-gray);
    font-weight: var(--font-weight-bold);
    padding: 8px 15px;
    font-size: 14px;
}

.phone-dropdown .dropdown-item {
    display: flex;
    align-items: center;
    padding: 8px 15px;
    color: var(--dark-gray);
    font-size: 14px;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.phone-dropdown .dropdown-item:hover,
.phone-dropdown .dropdown-item:focus {
    background-color: var(--light-gray);
    color: var(--primary-blue);
}

.phone-dropdown .phone-list {
    padding: 10px;
}

.phone-dropdown .btn-primary {
    margin-top: 10px;
}

.phone-dropdown .dropdown-menu.show {
    transform: translateY(0);
}

/* Адаптивний дизайн */
@media (max-width: 991.98px) {
    .navbar {
        width: 100%;
        margin: 0;
    }

    .navbar .container {
        padding: 0 var(--container-padding);
    }

    .navbar-brand {
        margin-left: 0;
    }

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

    .navbar-toggler {
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .navbar-collapse {
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--white);
        padding: 1rem;
        transform: translateX(100%);
        transition: transform 0.3s ease;
        z-index: 1000;
        overflow-y: auto;
    }

    .navbar-collapse.show {
        transform: translateX(0);
    }

    .navbar-nav {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
        padding: 1rem 0;
    }

    .nav-item {
        width: 100%;
        height: auto;
    }

    .nav-link {
        padding: 0.5rem 0;
        height: auto;
    }

    .phone-dropdown {
        margin: 1rem 0;
    }

    .lang-switcher {
        margin: 20px 0 0;
        padding-top: 20px;
        border-top: 1px solid var(--medium-gray);
        width: 100%;
        height: auto;
    }

    .phone-dropdown .btn-link {
        width: 100%;
        justify-content: center;
    }

    .phone-dropdown .dropdown-menu {
        position: static !important;
        width: 100%;
        margin-top: 10px;
        transform: none !important;
    }
}

@media (max-width: 576px) {
    .navbar {
        width: 100%;
        margin: 0;
    }

    .navbar .container {
        padding: 0 var(--container-padding);
    }

    .navbar-brand {
        margin-left: 0;
    }

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

    .navbar-toggler {
        display: block;
    }

    .navbar-collapse {
        display: none;
        position: fixed;
        top: var(--header-height);
        left: 0;
        width: 100%;
        height: calc(100vh - var(--header-height));
        padding: 20px;
        background-color: #f8f9fa !important;
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        transition: transform 0.3s ease;
        overflow-y: auto;
    }

    .navbar-collapse.show {
        display: block;
    }

    .navbar-nav {
        flex-direction: column;
        align-items: flex-start;
        width: 100%;
        height: auto;
    }

    .nav-item {
        margin: 10px 0;
        width: 100%;
        height: auto;
    }

    .nav-link {
        padding: 8px 0;
        font-size: 16px;
        width: 100%;
        height: auto;
    }

    .phone-dropdown {
        margin: 20px 0 0;
        padding-top: 20px;
        border-top: 1px solid var(--medium-gray);
        width: 100%;
        height: auto;
    }

    .phone-dropdown .btn-link {
        width: 100%;
        justify-content: center;
    }

    .lang-switcher {
        margin: 20px 0 0;
        padding-top: 20px;
        border-top: 1px solid var(--medium-gray);
        width: 100%;
        height: auto;
    }

    .lang-switcher .btn-link {
        width: 100%;
        justify-content: center;
    }

    .phone-dropdown .btn-link {
        width: 100%;
        justify-content: center;
    }

    .phone-dropdown .dropdown-menu {
        min-width: 360px;
        left: 50%;
        transform: translateX(-50%) translateY(-10px);
        transition: transform 0.3s ease;
    }

    .phone-dropdown .dropdown-menu.show {
        transform: translateX(-50%) translateY(0);
    }
}

@media (min-width: 577px) {
    .phone-dropdown .dropdown-menu {
        top: 100%;
        bottom: auto;
        transform: translateY(10px);
        transition: transform 0.3s ease;
    }

    .phone-dropdown .dropdown-menu.show {
        transform: translateY(0);
    }
}

.lang-switcher .btn-link:focus,
.phone-dropdown .btn-link:focus {
    outline: none;
    box-shadow: none;
}