/* ============================================
   AMD Header & Navigation Styles
   ============================================ */

/* ========== Header ========== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background-color: var(--header-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: var(--z-fixed);
    transition: background-color var(--transition-normal),
        border-color var(--transition-normal),
        transform var(--transition-normal);
}

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

.header--scrolled {
    box-shadow: var(--shadow-md);
}

.header__container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: var(--container-xl);
    margin: 0 auto;
    padding: 0 var(--spacing-6);
}

/* ========== Logo ========== */
.header__logo {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.header__logo-img {
    height: 48px;
    width: auto;
}

.header__logo-img--dark {
    display: block;
}

.header__logo-img--light {
    display: none;
}

[data-theme="dark"] .header__logo-img--dark {
    display: none;
}

[data-theme="dark"] .header__logo-img--light {
    display: block;
}

/* ========== Desktop Navigation ========== */
.header__nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-1);
}

.header__nav-link {
    position: relative;
    padding: var(--spacing-2) var(--spacing-4);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
    text-decoration: none;
    border-radius: var(--border-radius-md);
    transition: color var(--transition-fast), background-color var(--transition-fast);
}

.header__nav-link:hover {
    color: var(--color-primary);
    background-color: var(--bg-tertiary);
}

.header__nav-link--active {
    color: var(--color-primary);
}

.header__nav-link--active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 2px;
    background-color: var(--color-primary);
    border-radius: 1px;
}

/* ========== Header Actions ========== */
.header__actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
}

/* Language Switcher */
.lang-switch {
    display: flex;
    align-items: center;
    padding: var(--spacing-1);
    background-color: var(--toggle-bg);
    border-radius: var(--border-radius-full);
}

.lang-switch__btn {
    padding: var(--spacing-1) var(--spacing-3);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--text-secondary);
    background: none;
    border: none;
    border-radius: var(--border-radius-full);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.lang-switch__btn--active {
    color: var(--color-white);
    background-color: var(--color-primary);
}

.lang-switch__btn:hover:not(.lang-switch__btn--active) {
    color: var(--text-primary);
}

/* Theme Toggle */
.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: var(--toggle-bg);
    border: none;
    border-radius: var(--border-radius-full);
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.theme-toggle:hover {
    background-color: var(--border-color);
}

.theme-toggle__icon {
    width: 20px;
    height: 20px;
    color: var(--text-primary);
    transition: transform var(--transition-fast);
}

.theme-toggle:hover .theme-toggle__icon {
    transform: rotate(15deg);
}

.theme-toggle__icon--sun {
    display: none !important;
}

.theme-toggle__icon--moon {
    display: block !important;
}

[data-theme="dark"] .theme-toggle__icon--sun {
    display: block !important;
}

[data-theme="dark"] .theme-toggle__icon--moon {
    display: none !important;
}

/* ========== Mobile Menu Toggle ========== */
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    padding: 0;
    background: none;
    border: none;
    cursor: pointer;
}

.menu-toggle__line {
    width: 24px;
    height: 2px;
    background-color: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

.menu-toggle__line:nth-child(1) {
    margin-bottom: 6px;
}

.menu-toggle__line:nth-child(3) {
    margin-top: 6px;
}

/* Active state transforms */
.menu-toggle.is-active .menu-toggle__line:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

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

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

/* ========== Mobile Navigation ========== */
.mobile-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--bg-primary);
    padding: var(--spacing-6);
    transform: translateX(100%);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--transition-normal),
        opacity var(--transition-normal),
        visibility var(--transition-normal);
    z-index: var(--z-fixed);
    overflow-y: auto;
}

.mobile-nav.is-open {
    transform: translateX(0);
    opacity: 1;
    visibility: visible;
}

[dir="rtl"] .mobile-nav {
    transform: translateX(-100%);
}

[dir="rtl"] .mobile-nav.is-open {
    transform: translateX(0);
}

.mobile-nav__links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
    margin-bottom: var(--spacing-8);
}

.mobile-nav__link {
    display: block;
    padding: var(--spacing-4);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
    text-decoration: none;
    border-radius: var(--border-radius-md);
    transition: all var(--transition-fast);
}

.mobile-nav__link:hover,
.mobile-nav__link--active {
    color: var(--color-primary);
    background-color: var(--bg-tertiary);
}

.mobile-nav__actions {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
    padding-top: var(--spacing-6);
    border-top: 1px solid var(--border-color);
}

.mobile-nav__action-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.mobile-nav__action-label {
    font-weight: var(--font-weight-medium);
    color: var(--text-secondary);
}

/* ========== Footer ========== */
.footer {
    background-color: var(--footer-bg);
    color: var(--color-white);
    padding-top: var(--spacing-16);
}

.footer a {
    color: var(--color-gray-300);
    transition: color var(--transition-fast);
}

.footer a:hover {
    color: var(--color-primary);
}

.footer__grid {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: var(--spacing-12);
    padding-bottom: var(--spacing-12);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer__brand {
    max-width: 300px;
}

.footer__logo {
    height: 100px;
    width: auto;
    margin-bottom: var(--spacing-4);
}

.footer__description {
    color: var(--color-gray-400);
    margin-bottom: var(--spacing-6);
    font-size: var(--font-size-sm);
    line-height: var(--line-height-relaxed);
}

.footer__social {
    display: flex;
    gap: var(--spacing-3);
}

.footer__social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-full);
    transition: all var(--transition-fast);
}

.footer__social-link:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.footer__social-link:hover .footer__social-icon {
    fill: var(--color-white);
    color: var(--color-white);
}

.footer__social-icon {
    width: 20px;
    height: 20px;
    fill: currentColor;
    color: var(--color-gray-400);
    transition: all var(--transition-fast);
}

.footer__column-title {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-white);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wider);
    margin-bottom: var(--spacing-6);
}

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

.footer__links li {
    margin-bottom: var(--spacing-3);
}

.footer__links a {
    font-size: var(--font-size-sm);
}

.footer__contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-4);
    font-size: var(--font-size-sm);
    color: var(--color-gray-400);
}

.footer__contact-icon {
    width: 20px;
    height: 20px;
    color: var(--color-primary);
    flex-shrink: 0;
    margin-top: 2px;
}

.footer__bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-6) 0;
}

.footer__copyright {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
}

.footer__legal {
    display: flex;
    gap: var(--spacing-6);
}

.footer__legal a {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
}

/* ========== Footer Newsletter ========== */
.footer__newsletter {
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.1) 0%, rgba(212, 175, 55, 0.05) 100%);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: var(--border-radius-xl);
    padding: var(--spacing-8);
    margin-bottom: var(--spacing-12);
    text-align: center;
}

.footer__newsletter-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-white);
    margin-bottom: var(--spacing-2);
}

.footer__newsletter-desc {
    color: var(--color-gray-400);
    margin-bottom: var(--spacing-6);
    font-size: var(--font-size-sm);
}

.footer__newsletter-form {
    display: flex;
    gap: var(--spacing-3);
    max-width: 500px;
    margin: 0 auto;
}

.footer__newsletter-input {
    flex: 1;
    padding: var(--spacing-3) var(--spacing-4);
    background-color: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius-md);
    color: var(--color-white);
    font-size: var(--font-size-sm);
}

.footer__newsletter-input::placeholder {
    color: var(--color-gray-500);
}

.footer__newsletter-input:focus {
    outline: none;
    border-color: var(--color-primary);
    background-color: rgba(255, 255, 255, 0.15);
}

.footer__newsletter-btn {
    padding: var(--spacing-3) var(--spacing-6);
    background-color: var(--color-primary);
    color: var(--color-dark);
    font-weight: var(--font-weight-semibold);
    border: none;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.footer__newsletter-btn:hover {
    background-color: var(--color-primary-light);
    transform: translateY(-2px);
}

/* ========== Footer Working Hours ========== */
.footer__hours {
    margin-top: var(--spacing-4);
}

.footer__hours-item {
    display: flex;
    justify-content: space-between;
    font-size: var(--font-size-sm);
    color: var(--color-gray-400);
    margin-bottom: var(--spacing-2);
}

.footer__hours-day {
    color: var(--color-gray-300);
}

/* ========== Footer Partners ========== */
.footer__partners {
    padding: var(--spacing-8) 0;
    margin-top: var(--spacing-4);
}

.footer__partners-title {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-gray-500);
    text-align: center;
    margin-bottom: var(--spacing-6);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wider);
}

.footer__partners-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-8);
    flex-wrap: wrap;
}

.footer__partner-logo {
    height: 32px;
    width: auto;
    opacity: 0.6;
    filter: grayscale(100%) brightness(2);
    transition: all var(--transition-fast);
}

.footer__partner-logo:hover {
    opacity: 1;
    filter: grayscale(0%) brightness(1);
}

/* ========== Social Icons with Tooltips ========== */
.footer__social-link {
    position: relative;
}

.footer__social-link::before {
    content: attr(aria-label);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    padding: var(--spacing-1) var(--spacing-2);
    background-color: var(--color-dark);
    color: var(--color-white);
    font-size: 11px;
    white-space: nowrap;
    border-radius: var(--border-radius-sm);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
    margin-bottom: var(--spacing-2);
    z-index: 10;
}

.footer__social-link:hover::before {
    opacity: 1;
    visibility: visible;
}

.footer__social-icon {
    width: 22px;
    height: 22px;
    fill: currentColor;
    color: var(--color-gray-400);
    transition: all var(--transition-fast);
}

/* ========== Footer Registration ========== */
.footer__registration {
    display: flex;
    justify-content: center;
    gap: var(--spacing-6);
    padding-top: var(--spacing-4);
    margin-top: var(--spacing-4);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    font-size: var(--font-size-xs);
    color: var(--color-gray-600);
}

.footer__registration-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
}

/* ========== Back to Top Button ========== */
.back-to-top {
    position: fixed;
    bottom: var(--spacing-6);
    right: var(--spacing-6);
    width: 48px;
    height: 48px;
    background-color: var(--color-primary);
    color: var(--color-dark);
    border: none;
    border-radius: var(--border-radius-full);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-normal);
    z-index: var(--z-fixed);
}

.back-to-top.is-visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background-color: var(--color-primary-light);
    transform: translateY(-4px);
}

.back-to-top__icon {
    width: 24px;
    height: 24px;
}

[dir="rtl"] .back-to-top {
    right: auto;
    left: var(--spacing-6);
}

/* ========== Responsive ========== */
@media (max-width: 1024px) {
    .header__nav {
        display: none;
    }

    .menu-toggle {
        display: flex;
    }

    .footer__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-8);
    }

    .footer__brand {
        grid-column: span 2;
        max-width: 100%;
    }
}

@media (max-width: 640px) {
    .header {
        height: var(--header-height-mobile);
    }

    .header__container {
        padding: 0 var(--spacing-4);
    }

    .header__logo-img {
        height: 36px;
    }

    .mobile-nav {
        top: var(--header-height-mobile);
    }

    .footer__grid {
        grid-template-columns: 1fr;
    }

    .footer__brand {
        grid-column: span 1;
    }

    .footer__bottom {
        flex-direction: column;
        gap: var(--spacing-4);
        text-align: center;
    }

    .footer__legal {
        flex-wrap: wrap;
        justify-content: center;
    }

    .footer__newsletter-form {
        flex-direction: column;
    }

    .footer__newsletter-btn {
        width: 100%;
    }

    .footer__registration {
        flex-direction: column;
        gap: var(--spacing-2);
        text-align: center;
    }

    .footer__hours-item {
        flex-direction: column;
        gap: var(--spacing-1);
        text-align: center;
    }

    .back-to-top {
        bottom: var(--spacing-4);
        right: var(--spacing-4);
        width: 44px;
        height: 44px;
    }

    [dir="rtl"] .back-to-top {
        right: auto;
        left: var(--spacing-4);
    }
}