:root {
    --eli-primary: #272155;
    --eli-secondary: #F9E5C5;
    --eli-text: #1a1a2e;
    --eli-text-light: #6b7280;
    --eli-white: #ffffff;
    --eli-accent: #3b82f6;
    --eli-hover: rgba(39, 33, 85, 0.05);
    --eli-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --eli-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --eli-transition: all 0.3s ease;
    --eli-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
    outline: none;
}

.eli-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: var(--eli-white);
    box-shadow: var(--eli-shadow);
}

.eli-nav {
    position: relative;
}

.eli-nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 1.5rem;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.eli-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    transition: opacity 0.2s ease;
    flex-shrink: 0;
}

.eli-logo:hover {
    opacity: 0.8;
}

.eli-logo-icon {
    flex-shrink: 0;
}

.eli-logo-icon img {
    width: 80px;
    height: 40px;
    display: block;
    object-fit: contain;
}

.eli-nav-menu {
    display: flex;
    align-items: center;
    gap: 0.125rem;
    flex: 1;
    justify-content: center;
}

.eli-nav-item {
    position: relative;
}

.eli-nav-link {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--eli-text);
    border-radius: 0.5rem;
    transition: var(--eli-transition);
    white-space: nowrap;
}

.eli-nav-link:hover {
    background-color: var(--eli-hover);
    color: var(--eli-primary);
}

.eli-dropdown-icon {
    transition: transform 0.2s ease;
    width: 12px;
    height: 12px;
}

.eli-dropdown {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--eli-white);
    border-radius: 0.75rem;
    box-shadow: var(--eli-shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateX(-50%) translateY(10px);
    transition: var(--eli-transition);
}

.eli-has-dropdown:hover .eli-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

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

.eli-dropdown-simple {
    min-width: 320px;
    padding: 0.75rem 0;
}

.eli-dropdown-simple .eli-dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--eli-text);
    transition: var(--eli-transition);
}

.eli-dropdown-simple .eli-dropdown-item:hover {
    background-color: var(--eli-hover);
    color: var(--eli-primary);
}

.eli-dropdown-services {
    min-width: 320px;
    max-height: 500px;
    overflow-y: auto;
    padding: 0.5rem 0;
}

.eli-dropdown-services .eli-dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--eli-text);
    transition: var(--eli-transition);
}

.eli-dropdown-services .eli-dropdown-item:hover {
    background-color: var(--eli-hover);
    color: var(--eli-primary);
}

.eli-lang-dropdown {
    position: relative;
}

.eli-lang-trigger {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--eli-white);
    background-color: var(--eli-primary);
    border-radius: 0.5rem;
    transition: var(--eli-transition);
    flex-shrink: 0;
    min-width: 160px;
}

.eli-lang-trigger:hover {
    background-color: #1a1a3d;
}

.eli-lang-trigger svg {
    transition: transform 0.2s ease;
    width: 14px;
    height: 14px;
}

.eli-lang-dropdown:hover .eli-lang-trigger svg {
    transform: rotate(180deg);
}

.eli-lang-menu {
    position: absolute;
    top: 100%;
    right: 0;
    min-width: 200px;
    margin-top: 0.5rem;
    padding: 0.5rem 0;
    background-color: var(--eli-white);
    border-radius: 0.75rem;
    box-shadow: var(--eli-shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--eli-transition);
    z-index: 100;
}

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

.eli-lang-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--eli-text);
    transition: var(--eli-transition);
}

.eli-lang-item:hover {
    background-color: var(--eli-hover);
    color: var(--eli-primary);
}

.eli-lang-flag {
    font-size: 1.25rem;
    line-height: 1;
}

.eli-lang-text {
    display: flex;
    flex-direction: column;
}

.eli-lang-native {
    font-weight: 600;
}

.eli-lang-english {
    font-size: 0.75rem;
    color: var(--eli-text-light);
}

.eli-mobile-toggle {
    display: none;
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
    border-radius: 0.5rem;
    transition: var(--eli-transition);
}

.eli-mobile-toggle:hover {
    background-color: var(--eli-hover);
}

.eli-mobile-hamburger {
    display: flex;
    flex-direction: column;
    gap: 5px;
    width: 24px;
}

.eli-mobile-hamburger span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--eli-primary);
    border-radius: 1px;
    transition: var(--eli-transition);
}

.eli-mobile-toggle.active .eli-mobile-hamburger span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

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

.eli-mobile-toggle.active .eli-mobile-hamburger span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Menu */
.eli-mobile-menu {
    display: none;
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--eli-white);
    padding: 1.5rem;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    transform: translateX(100%);
    transition: transform 0.3s ease;
}

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

.eli-mobile-nav {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

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

.eli-mobile-link {
    display: block;
    padding: 1rem 0;
    font-size: 1rem;
    font-weight: 500;
    color: var(--eli-text);
    transition: color 0.2s ease;
}

.eli-mobile-link:hover {
    color: var(--eli-primary);
}

.eli-mobile-expand {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 1rem 0;
    font-size: 1rem;
    font-weight: 500;
    color: var(--eli-text);
    background: none;
    border: none;
    cursor: pointer;
}

.eli-mobile-expand svg {
    transition: transform 0.2s ease;
}

.eli-mobile-expand.active svg {
    transform: rotate(180deg);
}

.eli-mobile-submenu {
    display: none;
    padding: 0.5rem 0.75rem;
    margin: 0.25rem 0;
    max-height: 60vh;
    overflow-y: auto;
}

.eli-mobile-submenu.active {
    display: block;
    animation: slideDown 0.2s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.eli-mobile-sublink {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 0.75rem;
    padding: 1rem 1rem;
    margin: 0.25rem 0;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--eli-text);
    background-color: var(--eli-hover);
    border: 1px solid transparent;
    border-radius: 12px;
    transition: all 0.15s ease;
    -webkit-tap-highlight-color: transparent;
    user-select: none;
    min-height: 52px;
}

.eli-mobile-sublink:hover {
    color: var(--eli-primary);
    background-color: rgba(39, 33, 85, 0.12);
    border-color: var(--eli-primary);
    transform: translateX(4px);
}

.eli-mobile-sublink:active {
    background-color: var(--eli-primary);
    color: var(--eli-white);
    border-color: var(--eli-primary);
    transform: scale(0.97) translateX(4px);
    box-shadow: 0 2px 8px rgba(39, 33, 85, 0.3);
}

.eli-mobile-sublink::before {
    content: '';
    width: 8px;
    height: 8px;
    background-color: var(--eli-primary);
    border-radius: 50%;
    opacity: 0.4;
    flex-shrink: 0;
    transition: all 0.15s ease;
}

.eli-mobile-sublink:hover::before {
    opacity: 1;
    transform: scale(1.2);
}

.eli-mobile-sublink:active::before {
    background-color: var(--eli-white);
}

.eli-mobile-lang {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.eli-mobile-lang-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--eli-text-light);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.75rem;
}

.eli-mobile-lang-list {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.eli-mobile-lang-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 1rem;
    font-size: 1rem;
    font-weight: 500;
    color: var(--eli-text);
    background-color: var(--eli-hover);
    border-radius: 0.5rem;
    transition: var(--eli-transition);
}

.eli-mobile-lang-item:hover {
    background-color: var(--eli-primary);
    color: var(--eli-white);
}

.eli-mobile-lang-item:hover .eli-lang-english {
    color: rgba(255, 255, 255, 0.7);
}

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

@media (max-width: 1200px) {
    .eli-nav-menu {
        display: none;
    }
    .eli-lang-dropdown {
        display: none;
    }
    .eli-mobile-toggle {
        display: flex;
    }
    .eli-mobile-menu {
        display: block;
    }
}

@media (max-width: 640px) {
    .eli-nav-container {
        height: 70px;
    }
    .eli-logo-text {
        display: none;
    }
    .eli-mobile-menu {
        top: 70px;
    }
}

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

.eli-nav-link:focus-visible,
.eli-dropdown-item:focus-visible,
.eli-mobile-link:focus-visible,
.eli-mobile-sublink:focus-visible,
.eli-btn:focus-visible,
.eli-lang-item:focus-visible {
    outline: 2px solid var(--eli-accent);
    outline-offset: 2px;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}