:root {
    --aurora-primary: #00d4aa;
    --aurora-secondary: #01b4a4;
    --aurora-accent: #00f5d4;
    --aurora-dark: #003d3a;
    --aurora-light: #e0fff9;
    --aurora-text: #1a1a1a;
    --aurora-text-light: #666;
    --aurora-text-lighter: #999;
    --aurora-bg: #ffffff;
    --aurora-bg-light: #f8fffe;
    --aurora-border: #e0f2f1;
    --aurora-shadow: rgba(0, 212, 170, 0.15);
    --aurora-shadow-dark: rgba(0, 212, 170, 0.25);
    --aurora-glow: rgba(0, 245, 212, 0.3);
}


.aurora-dark-mode {
    --aurora-bg: #0a1a1a;
    --aurora-bg-light: #1a2a2a;
    --aurora-text: #e0fff9;
    --aurora-text-light: #b0d4d1;
    --aurora-text-lighter: #80a8a5;
    --aurora-border: #2a4a4a;
    --aurora-shadow: rgba(0, 245, 212, 0.2);
    --aurora-shadow-dark: rgba(0, 245, 212, 0.3);
}


.aurora-header {
    background: var(--aurora-bg);
    border-bottom: 2px solid var(--aurora-border);
    box-shadow: 0 4px 20px var(--aurora-shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

.aurora-header.aurora-scrolled {
    box-shadow: 0 6px 30px var(--aurora-shadow-dark);
    border-bottom-color: var(--aurora-primary);
}

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

.aurora-header-container {
    margin: 0 auto;
    padding: 0 25px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 75px;
    position: relative;
    z-index: 2;
}


.aurora-bg-effect {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
    z-index: 1;
}

.aurora-light {
    position: absolute;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    opacity: 0.1;
    filter: blur(40px);
}

.aurora-light-1 {
    background: var(--aurora-primary);
    top: -100px;
    left: -100px;
    animation: auroraFloat1 8s ease-in-out infinite;
}

.aurora-light-2 {
    background: var(--aurora-accent);
    top: -50px;
    right: -100px;
    animation: auroraFloat2 10s ease-in-out infinite;
}

.aurora-light-3 {
    background: var(--aurora-secondary);
    bottom: -100px;
    left: 50%;
    transform: translateX(-50%);
    animation: auroraFloat3 12s ease-in-out infinite;
}

@keyframes auroraFloat1 {

    0%,
    100% {
        transform: translate(0, 0) scale(1);
        opacity: 0.1;
    }

    50% {
        transform: translate(30px, 20px) scale(1.2);
        opacity: 0.2;
    }
}

@keyframes auroraFloat2 {

    0%,
    100% {
        transform: translate(0, 0) scale(1);
        opacity: 0.1;
    }

    50% {
        transform: translate(-20px, 30px) scale(1.1);
        opacity: 0.15;
    }
}

@keyframes auroraFloat3 {

    0%,
    100% {
        transform: translateX(-50%) translate(0, 0) scale(1);
        opacity: 0.1;
    }

    50% {
        transform: translateX(-50%) translate(20px, -20px) scale(1.3);
        opacity: 0.2;
    }
}


.aurora-site-brand {
    flex-shrink: 0;
    position: relative;
    z-index: 2;
}

.aurora-site-logo {
    display: flex;
    align-items: center;
    gap: 15px;
    text-decoration: none;
    color: var(--aurora-text);
    transition: all 0.3s ease;
    position: relative;
}

.aurora-site-logo:hover {
    transform: translateY(-2px);
}

.aurora-logo-icon {
    position: relative;
    width: 50px;
    height: 50px;
    background: var(--aurora-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.aurora-logo-icon:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 25px var(--aurora-shadow-dark);
}

.aurora-logo-icon i {
    font-size: 24px;
    color: #fff;
    z-index: 1;
    position: relative;
}

.aurora-logo-glow {
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: var(--aurora-accent);
    border-radius: 14px;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 0;
}

.aurora-logo-icon:hover .aurora-logo-glow {
    opacity: 0.3;
}

.aurora-brand-text {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.aurora-site-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--aurora-text);
    line-height: 1.2;
    margin: 0;
}

.aurora-site-subtitle {
    font-size: 13px;
    color: var(--aurora-text-light);
    line-height: 1.2;
    margin: 0;
    font-weight: 500;
}


.aurora-header-nav {
    display: flex;
    align-items: center;
    gap: 8px;
    position: relative;
    z-index: 2;
}

.aurora-nav-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    color: var(--aurora-text-light);
    text-decoration: none;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    border: 2px solid transparent;
}

.aurora-nav-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, var(--aurora-glow), transparent);
    transition: left 0.5s ease;
}

.aurora-nav-item:hover::before {
    left: 100%;
}

.aurora-nav-item:hover,
.aurora-nav-item.aurora-hover {
    color: var(--aurora-primary);
    border-color: var(--aurora-border);
    background: var(--aurora-light);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--aurora-shadow);
}

.aurora-nav-item.aurora-active {
    color: #fff;
    background: var(--aurora-primary);
    border-color: var(--aurora-primary);
    box-shadow: 0 6px 20px var(--aurora-shadow-dark);
}

.aurora-nav-icon {
    position: relative;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.aurora-nav-icon i {
    font-size: 16px;
    transition: transform 0.3s ease;
}

.aurora-nav-item:hover .aurora-nav-icon i {
    transform: scale(1.2);
}

.aurora-nav-text {
    position: relative;
    z-index: 1;
}

.aurora-nav-glow {
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: var(--aurora-accent);
    border-radius: 27px;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 0;
}

.aurora-nav-item.aurora-active .aurora-nav-glow {
    opacity: 0.2;
}


.aurora-header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    position: relative;
    z-index: 2;
}

.aurora-theme-toggle {
    width: 45px;
    height: 45px;
    background: var(--aurora-bg-light);
    border: 2px solid var(--aurora-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.aurora-theme-toggle:hover {
    border-color: var(--aurora-primary);
    background: var(--aurora-light);
    transform: scale(1.1);
    box-shadow: 0 6px 20px var(--aurora-shadow);
}

.aurora-theme-toggle i {
    font-size: 18px;
    color: var(--aurora-text-light);
    transition: all 0.3s ease;
    z-index: 1;
    position: relative;
}

.aurora-theme-toggle:hover i {
    color: var(--aurora-primary);
    transform: rotate(180deg);
}

.aurora-toggle-glow {
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: var(--aurora-accent);
    border-radius: 50%;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 0;
}

.aurora-theme-toggle:hover .aurora-toggle-glow {
    opacity: 0.2;
}

.aurora-mobile-menu-btn {
    display: none;
    width: 45px;
    height: 45px;
    background: var(--aurora-bg-light);
    border: 2px solid var(--aurora-border);
    border-radius: 12px;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.aurora-mobile-menu-btn:hover {
    border-color: var(--aurora-primary);
    background: var(--aurora-light);
    transform: scale(1.05);
}

.aurora-menu-line {
    width: 20px;
    height: 2px;
    background: var(--aurora-text-light);
    border-radius: 1px;
    transition: all 0.3s ease;
}

.aurora-mobile-menu-btn:hover .aurora-menu-line {
    background: var(--aurora-primary);
}

.aurora-mobile-menu-btn.aurora-active .aurora-menu-line:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.aurora-mobile-menu-btn.aurora-active .aurora-menu-line:nth-child(2) {
    opacity: 0;
}

.aurora-mobile-menu-btn.aurora-active .aurora-menu-line:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}


.aurora-mobile-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 9999;
    visibility: hidden;
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.aurora-mobile-nav.aurora-show {
    visibility: visible;
    opacity: 1;
}

.aurora-mobile-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    transition: opacity 0.3s ease;
}

.aurora-mobile-content {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    width: 320px;
    background: var(--aurora-bg);
    transform: translateX(100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.1);
}

.aurora-mobile-nav.aurora-show .aurora-mobile-content {
    transform: translateX(0);
}

.aurora-mobile-header {
    padding: 25px 20px;
    background: var(--aurora-primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    overflow: hidden;
}

.aurora-mobile-header::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    animation: auroraMobileGlow 8s ease-in-out infinite;
}

@keyframes auroraMobileGlow {

    0%,
    100% {
        transform: scale(1) rotate(0deg);
        opacity: 0.3;
    }

    50% {
        transform: scale(1.2) rotate(180deg);
        opacity: 0.6;
    }
}

.aurora-mobile-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    position: relative;
    z-index: 1;
}

.aurora-mobile-logo {
    position: relative;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.aurora-mobile-logo i {
    font-size: 20px;
    color: #fff;
    z-index: 1;
    position: relative;
}

.aurora-mobile-logo-glow {
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 12px;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 0;
}

.aurora-mobile-brand:hover .aurora-mobile-logo-glow {
    opacity: 1;
}

.aurora-mobile-brand-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.aurora-mobile-title {
    font-size: 18px;
    font-weight: 700;
    color: #fff;
    line-height: 1.2;
    margin: 0;
}

.aurora-mobile-subtitle {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.2;
    margin: 0;
}

.aurora-mobile-close {
    width: 35px;
    height: 35px;
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    z-index: 1;
}

.aurora-mobile-close:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: rotate(90deg);
}

.aurora-mobile-close i {
    font-size: 16px;
    color: #fff;
}

.aurora-mobile-nav-list {
    flex: 1;
    padding: 20px 0;
    overflow-y: auto;
}

.aurora-mobile-nav-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 18px 20px;
    color: var(--aurora-text);
    text-decoration: none;
    transition: all 0.3s ease;
    border-bottom: 1px solid var(--aurora-border);
    position: relative;
    overflow: hidden;
}

.aurora-mobile-nav-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, var(--aurora-glow), transparent);
    transition: left 0.5s ease;
}

.aurora-mobile-nav-item:hover::before {
    left: 100%;
}

.aurora-mobile-nav-item:hover {
    background: var(--aurora-light);
    color: var(--aurora-primary);
    transform: translateX(5px);
}

.aurora-mobile-nav-item.aurora-active {
    background: var(--aurora-primary);
    color: #fff;
    border-bottom-color: var(--aurora-secondary);
}

.aurora-mobile-nav-icon {
    width: 40px;
    height: 40px;
    background: var(--aurora-bg-light);
    border: 2px solid var(--aurora-border);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all 0.3s ease;
    position: relative;
    z-index: 1;
}

.aurora-mobile-nav-item:hover .aurora-mobile-nav-icon {
    border-color: var(--aurora-primary);
    background: var(--aurora-light);
}

.aurora-mobile-nav-item.aurora-active .aurora-mobile-nav-icon {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.3);
}

.aurora-mobile-nav-icon i {
    font-size: 18px;
    color: var(--aurora-text-light);
    transition: all 0.3s ease;
}

.aurora-mobile-nav-item:hover .aurora-mobile-nav-icon i {
    color: var(--aurora-primary);
    transform: scale(1.1);
}

.aurora-mobile-nav-item.aurora-active .aurora-mobile-nav-icon i {
    color: #fff;
}

.aurora-mobile-nav-content {
    flex: 1;
    min-width: 0;
    position: relative;
    z-index: 1;
}

.aurora-mobile-nav-text {
    font-size: 16px;
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 3px;
}

.aurora-mobile-nav-desc {
    font-size: 12px;
    opacity: 0.7;
    line-height: 1.3;
}

.aurora-mobile-nav-arrow {
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--aurora-text-lighter);
    transition: all 0.3s ease;
    position: relative;
    z-index: 1;
}

.aurora-mobile-nav-item:hover .aurora-mobile-nav-arrow {
    color: var(--aurora-primary);
    transform: translateX(3px);
}

.aurora-mobile-nav-item.aurora-active .aurora-mobile-nav-arrow {
    color: rgba(255, 255, 255, 0.8);
}

.aurora-mobile-nav-arrow i {
    font-size: 14px;
}

.aurora-mobile-footer {
    padding: 20px;
    border-top: 1px solid var(--aurora-border);
    background: var(--aurora-bg-light);
}

.aurora-mobile-stats {
    display: flex;
    gap: 20px;
    justify-content: center;
}

.aurora-stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 15px;
    background: var(--aurora-bg);
    border: 2px solid var(--aurora-border);
    border-radius: 12px;
    flex: 1;
    transition: all 0.3s ease;
}

.aurora-stat-item:hover {
    border-color: var(--aurora-primary);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--aurora-shadow);
}

.aurora-stat-icon {
    width: 35px;
    height: 35px;
    background: var(--aurora-primary);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 16px;
}

.aurora-stat-content {
    text-align: center;
}

.aurora-stat-number {
    font-size: 18px;
    font-weight: 700;
    color: var(--aurora-text);
    line-height: 1.2;
    margin-bottom: 2px;
}

.aurora-stat-label {
    font-size: 12px;
    color: var(--aurora-text-light);
    font-weight: 500;
}


@media (max-width: 1024px) {
    .aurora-header-container {
        padding: 0 20px;
    }

    .aurora-header-nav {
        gap: 5px;
    }

    .aurora-nav-item {
        padding: 10px 16px;
        font-size: 13px;
    }
}

@media (max-width: 768px) {
    .aurora-header-container {
        padding: 0 15px;
        height: 65px;
    }

    .aurora-logo-icon {
        width: 45px;
        height: 45px;
    }

    .aurora-logo-icon i {
        font-size: 22px;
    }

    .aurora-site-title {
        font-size: 20px;
    }

    .aurora-site-subtitle {
        font-size: 12px;
    }

    .aurora-header-nav {
        display: none;
    }

    .aurora-mobile-menu-btn {
        display: flex;
    }

    .aurora-theme-toggle {
        width: 40px;
        height: 40px;
    }

    .aurora-theme-toggle i {
        font-size: 16px;
    }
}

@media (max-width: 480px) {
    .aurora-header-container {
        padding: 0 12px;
        height: 60px;
    }

    .aurora-logo-icon {
        width: 40px;
        height: 40px;
    }

    .aurora-logo-icon i {
        font-size: 20px;
    }

    .aurora-site-title {
        font-size: 18px;
    }

    .aurora-site-subtitle {
        font-size: 11px;
    }

    .aurora-mobile-content {
        width: 100%;
    }

    .aurora-mobile-header {
        padding: 20px 15px;
    }

    .aurora-mobile-nav-list {
        padding: 15px 0;
    }

    .aurora-mobile-nav-item {
        padding: 15px;
    }

    .aurora-mobile-footer {
        padding: 15px;
    }

    .aurora-mobile-stats {
        gap: 15px;
    }

    .aurora-stat-item {
        padding: 12px;
    }
}


.aurora-header:focus-within {
    outline: 2px solid var(--aurora-accent);
    outline-offset: 2px;
}

.aurora-nav-item:focus,
.aurora-theme-toggle:focus,
.aurora-mobile-menu-btn:focus,
.aurora-mobile-nav-item:focus,
.aurora-mobile-close:focus {
    outline: 2px solid var(--aurora-accent);
    outline-offset: 2px;
}


@media (prefers-contrast: high) {

    .aurora-nav-item,
    .aurora-theme-toggle,
    .aurora-mobile-menu-btn,
    .aurora-mobile-nav-icon,
    .aurora-stat-item {
        border-width: 3px;
    }
}


@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .aurora-light,
    .aurora-mobile-header::before {
        display: none;
    }
}


.aurora-header ::selection {
    background: var(--aurora-accent);
    color: #fff;
}

.aurora-header ::-moz-selection {
    background: var(--aurora-accent);
    color: #fff;
}


.aurora-header * {
    box-sizing: border-box;
}


.aurora-nav-item,
.aurora-theme-toggle,
.aurora-mobile-menu-btn,
.aurora-mobile-content,
.aurora-mobile-nav-item,
.aurora-stat-item {
    will-change: transform;
    backface-visibility: hidden;
}


@media print {
    .aurora-header {
        background: #fff !important;
        color: #000 !important;
        box-shadow: none !important;
        border-bottom: 2px solid #000 !important;
    }

    .aurora-bg-effect,
    .aurora-header-actions,
    .aurora-mobile-nav {
        display: none !important;
    }

    .aurora-site-title,
    .aurora-nav-text {
        color: #000 !important;
    }
}


.aurora-mobile-nav-list::-webkit-scrollbar {
    width: 4px;
}

.aurora-mobile-nav-list::-webkit-scrollbar-track {
    background: var(--aurora-bg-light);
}

.aurora-mobile-nav-list::-webkit-scrollbar-thumb {
    background: var(--aurora-primary);
    border-radius: 2px;
}

.aurora-mobile-nav-list::-webkit-scrollbar-thumb:hover {
    background: var(--aurora-secondary);
}




.aurora-header {
    background: var(--aurora-bg);
    border-bottom: 2px solid var(--aurora-border);
    box-shadow: 0 4px 20px var(--aurora-shadow);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    overflow: hidden;
    height: 75px;
}


.aurora-header.aurora-scrolled {
    box-shadow: 0 6px 30px var(--aurora-shadow-dark);
    border-bottom-color: var(--aurora-primary);
    background: rgba(var(--aurora-bg-rgb, 255, 255, 255), 0.95);
}


.aurora-header.aurora-hidden {
    transform: translateY(-100%);
    transition: transform 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}


body {
    padding-top: 75px;
}


@media (max-width: 768px) {
    .aurora-header {
        height: 65px;
    }

    body {
        padding-top: 65px;
    }
}

@media (max-width: 480px) {
    .aurora-header {
        height: 60px;
    }

    body {
        padding-top: 60px;
    }
}