/* ===========================
   HEADER - header.css
   =========================== */

   .header {
    background: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 18px 0;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 25px;
    position: relative;
}

/* ===========================
   ЛОГОТИП
   =========================== */

.logo {
    font-weight: 800;
    text-transform: uppercase;
    line-height: 1.2;
}

.logo-main {
    font-size: 13px;
    font-weight: 800;
    color: var(--secondary-color);
    letter-spacing: 0.5px;
}

.logo-subtitle {
    font-size: 12px;
    font-weight: 600;
    color: #666;
    letter-spacing: 0.5px;
}

/* ===========================
   ДЕСКТОПНА НАВІГАЦІЯ
   =========================== */

.main-nav ul {
    display: flex;
    list-style: none;
    gap: 20px;
    align-items: center;
}

.main-nav li {
    position: relative;
}

.main-nav > ul > li > a {
    text-decoration: none;
    color: var(--secondary-color);
    font-weight: 600;
    font-size: 14px;
    transition: var(--transition);
    padding: 8px 0;
    display: block;
    white-space: nowrap;
}

.main-nav > ul > li > a:hover {
    color: var(--primary-color);
}

/* ===========================
   ВИПАДАЮЧЕ МЕНЮ - СІТКА 2 КОЛОНКИ
   =========================== */

.has-dropdown {
    position: relative;
}

.dropdown-arrow {
    font-size: 9px;
    margin-left: 4px;
    transition: var(--transition);
}

.has-dropdown:hover .dropdown-arrow {
    transform: rotate(180deg);
}

.dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--white);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
    border-radius: 12px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition);
    padding: 0;
    margin-top: 12px;
    z-index: 100;
}

.has-dropdown:hover .dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* Сітка 2 колонки для dropdown-grid */
.dropdown.dropdown-grid {
    display: grid;
    grid-template-columns: repeat(2, 280px);
    gap: 0;
    width: 560px;
}

.dropdown.dropdown-grid li {
    padding: 0;
    margin: 0;
    list-style: none;
}

/* Заголовок dropdown - на всю ширину */
.dropdown-header {
    grid-column: 1 / -1;
    background: var(--primary-color);
    border-radius: 12px 12px 0 0;
}

.dropdown-header a {
    color: var(--white) !important;
    font-weight: 700 !important;
    background: transparent !important;
    border-left: none !important;
    padding: 16px 24px !important;
}

.dropdown-header a:hover {
    background: rgba(255, 255, 255, 0.15) !important;
}

/* Виділений пункт (Ортопедичні консультації) */
.featured-item {
    grid-column: 1 / -1;
}

.featured-item a {
    background: #fef9e7 !important;
    color: #2c3e50 !important;
    font-weight: 700 !important;
    border-left: 4px solid #f39c12 !important;
    padding-left: 20px !important;
}

.featured-item a:hover {
    background: #fef5d4 !important;
    border-left-color: #e67e22 !important;
    padding-left: 24px !important;
}

.dropdown a {
    padding: 14px 20px;
    font-size: 13px;
    font-weight: 500;
    display: block;
    width: 100%;
    text-decoration: none;
    color: var(--secondary-color);
    transition: var(--transition);
    border-left: 3px solid transparent;
    border-bottom: 1px solid #f0f0f0;
}

.dropdown a:hover {
    background: var(--light-gray);
    color: var(--primary-color);
    border-left-color: var(--primary-color);
    padding-left: 24px;
}

/* Останні елементи без нижньої межі */
.dropdown.dropdown-grid li:nth-last-child(-n+2) a {
    border-bottom: none;
}

/* Нижні кути */
.dropdown.dropdown-grid li:nth-last-child(2) a {
    border-radius: 0 0 0 12px;
}

.dropdown.dropdown-grid li:last-child a {
    border-radius: 0 0 12px 0;
}

/* ===========================
   ТЕЛЕФОН В HEADER
   =========================== */

.header-contacts {
    flex-shrink: 0;
}

.header-phone {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: var(--secondary-color);
    font-weight: 700;
    font-size: 14px;
    padding: 10px 20px;
    border: 2px solid var(--primary-color);
    border-radius: 50px;
    transition: var(--transition);
    white-space: nowrap;
}

.header-phone svg {
    flex-shrink: 0;
}

.phone-number {
    display: inline-block;
}

.header-phone:hover {
    background: var(--primary-color);
    color: var(--white);
}

/* ===========================
   МОБІЛЬНЕ МЕНЮ - TOGGLE КНОПКА
   =========================== */

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.mobile-menu-toggle span {
    display: block;
    width: 28px;
    height: 3px;
    background: var(--secondary-color);
    transition: var(--transition);
    border-radius: 2px;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

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

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* ===========================
   МОБІЛЬНЕ МЕНЮ - КОНТЕЙНЕР
   =========================== */

.mobile-menu {
    position: fixed;
    top: 72px;
    left: 0;
    width: 100%;
    height: calc(100vh - 72px);
    background: var(--white);
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    overflow-y: auto;
    z-index: 999;
    border-top: 1px solid var(--border-color);
}

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

/* ===========================
   БЛОКУВАННЯ ПРОКРУТКИ BODY
   =========================== */

body.menu-open {
    overflow: hidden;
    position: fixed;
    width: 100%;
}

/* ===========================
   МОБІЛЬНА НАВІГАЦІЯ
   =========================== */

.mobile-nav {
    padding: 0;
    min-height: calc(100vh - 72px);
    display: flex;
    flex-direction: column;
}

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

.mobile-nav > ul {
    flex: 1;
}

.mobile-nav > ul > li {
    border-bottom: 1px solid var(--border-color);
}

.mobile-nav > ul > li:last-child {
    border-bottom: none;
}

.mobile-nav-link {
    display: block;
    padding: 18px 20px;
    color: var(--secondary-color);
    font-weight: 600;
    font-size: 16px;
    text-decoration: none;
}

/* ===========================
   МОБІЛЬНЕ ВИПАДАЮЧЕ МЕНЮ
   =========================== */

.mobile-has-dropdown {
    position: relative;
}

.mobile-dropdown-toggle {
    width: 100%;
    background: none;
    border: none;
    padding: 18px 20px;
    cursor: pointer;
    color: var(--secondary-color);
    font-weight: 600;
    font-size: 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    text-align: left;
}

.mobile-arrow {
    font-size: 12px;
    transition: transform 0.3s ease;
    display: inline-block;
}

.mobile-has-dropdown.active .mobile-arrow {
    transform: rotate(180deg);
}

.mobile-dropdown {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    background: var(--light-gray);
    margin: 0;
    padding: 0;
    list-style: none;
}

.mobile-dropdown li {
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.mobile-dropdown li:last-child {
    border-bottom: none;
}

.mobile-dropdown .mobile-nav-link {
    padding: 14px 20px 14px 35px;
    font-size: 15px;
    font-weight: 500;
}

/* Виділений пункт в мобільці */
.mobile-dropdown .featured-link {
    background: #fef9e7 !important;
    color: #2c3e50 !important;
    font-weight: 700 !important;
    border-left: 4px solid #f39c12;
    padding-left: 31px !important;
}

/* ===========================
   МОБІЛЬНІ КОНТАКТИ
   =========================== */

.mobile-menu-contacts {
    margin-top: auto;
    padding: 20px;
    border-top: 2px solid var(--border-color);
    background: var(--white);
}

.mobile-phone-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background: var(--primary-color);
    color: white;
    padding: 16px 24px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 16px;
    text-decoration: none;
    transition: all 0.3s ease;
    border: none;
    box-shadow: 0 4px 12px rgba(145, 208, 114, 0.3);
}

.mobile-phone-btn:hover {
    background: #7bc05a;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(145, 208, 114, 0.4);
}

.mobile-phone-btn svg {
    flex-shrink: 0;
}

/* ===========================
   АДАПТИВНІСТЬ
   =========================== */

@media (max-width: 1200px) {
    .main-nav > ul {
        gap: 15px;
    }

    .main-nav > ul > li > a {
        font-size: 13px;
    }

    .header-phone {
        font-size: 13px;
        padding: 8px 16px;
    }
}

@media (max-width: 968px) {
    .header-content {
        gap: 15px;
    }

    .logo {
        flex: 1;
    }

    .logo-main {
        font-size: 11px;
    }

    .logo-subtitle {
        font-size: 10px;
    }

    .main-nav,
    .header-contacts {
        display: none;
    }

    .mobile-menu-toggle {
        display: flex;
        flex-shrink: 0;
    }
}

@media (max-width: 480px) {
    .logo-main {
        font-size: 10px;
    }

    .logo-subtitle {
        font-size: 9px;
    }

    .mobile-menu-toggle span {
        width: 24px;
    }

    .mobile-phone-btn {
        font-size: 15px;
    }
}

/* ===========================
   NESTED DROPDOWN (Вкладене меню для Ендопротезування)
   =========================== */

.has-nested-dropdown {
    position: relative;
}

.nested-arrow {
    font-size: 9px;
    margin-left: 4px;
    transition: var(--transition);
}

.has-nested-dropdown:hover .nested-arrow {
    transform: translateX(3px);
}

.nested-dropdown {
    position: absolute;
    left: 100%;
    top: 0;
    background: var(--white);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
    border-radius: 12px;
    opacity: 0;
    visibility: hidden;
    transform: translateX(-10px);
    transition: var(--transition);
    padding: 0;
    margin-left: 8px;
    min-width: 260px;
    z-index: 101;
}

.has-nested-dropdown:hover .nested-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

.nested-dropdown li {
    padding: 0;
    margin: 0;
    list-style: none;
}

.nested-dropdown a {
    padding: 12px 18px;
    font-size: 13px;
    font-weight: 500;
    display: block;
    text-decoration: none;
    color: var(--secondary-color);
    transition: var(--transition);
    border-left: 3px solid transparent;
    border-bottom: 1px solid #f0f0f0;
}

.nested-dropdown a:hover {
    background: var(--light-gray);
    color: var(--primary-color);
    border-left-color: var(--primary-color);
    padding-left: 22px;
}

.nested-dropdown li:first-child a {
    border-radius: 12px 12px 0 0;
    font-weight: 700;
    background: #f8f9fa;
}

.nested-dropdown li:last-child a {
    border-radius: 0 0 12px 12px;
    border-bottom: none;
}

/* ===========================
   DROPDOWN DIVIDER (Розділювач)
   =========================== */

.dropdown-divider {
    grid-column: 1 / -1;
    height: 1px;
    background: #e0e0e0;
    margin: 8px 0;
}

/* Мобільний розділювач */
.mobile-divider {
    height: 1px;
    background: #e0e0e0;
    margin: 12px 0;
}

/* ===========================
   МОБІЛЬНЕ ВКЛАДЕНЕ МЕНЮ
   =========================== */

.mobile-has-nested-dropdown {
    margin-left: 0;
}

.mobile-nested-toggle {
    width: 100%;
    background: none;
    border: none;
    padding: 14px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    color: var(--secondary-color);
    font-weight: 600;
    font-size: 14px;
    text-align: left;
    transition: var(--transition);
}

.mobile-nested-toggle:hover {
    background: var(--light-gray);
    color: var(--primary-color);
}

.mobile-nested-dropdown {
    display: none;
    list-style: none;
    padding: 0;
    margin: 0;
    background: #f8f9fa;
}

.mobile-has-nested-dropdown.active .mobile-nested-dropdown {
    display: block;
}

.mobile-has-nested-dropdown.active .mobile-nested-toggle .mobile-arrow {
    transform: rotate(180deg);
}

.mobile-nested-dropdown .mobile-nav-link {
    padding-left: 40px;
    font-size: 13px;
}

.mobile-nested-dropdown .mobile-nav-link:hover {
    padding-left: 44px;
}