/* ========================================
   蜂鸟服饰官网样式表
   Feng Niao Kids Website Styles
   ======================================== */

/* CSS Variables */
:root {
    /* Primary Colors */
    --primary: #FF6B35;
    --primary-dark: #E85A2B;
    --primary-light: #FF8C5A;
    
    /* Secondary Colors */
    --secondary: #00C897;
    --secondary-dark: #00A87D;
    --secondary-light: #33D9B2;
    
    /* Accent Colors */
    --accent: #FFD93D;
    --accent-dark: #E6C235;
    
    /* Neutral Colors */
    --dark: #1A1A2E;
    --dark-light: #2D2D44;
    --gray-dark: #4A4A6A;
    --gray: #8A8AA3;
    --gray-light: #C8C8D8;
    --light: #F8F9FA;
    --white: #FFFFFF;
    
    /* Typography */
    --font-primary: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-secondary: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-12: 3rem;
    --space-16: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
}

/* ========================================
   Base Styles
   ======================================== */

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-primary);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--dark);
    background-color: var(--white);
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

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

ul, ol {
    list-style: none;
}

input, textarea, select {
    font-family: inherit;
    font-size: inherit;
    border: none;
    outline: none;
}

/* ========================================
   Container & Layout
   ======================================== */

.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1rem;
}

@media (min-width: 640px) {
    .container {
        padding: 0 1.5rem;
    }
}

@media (min-width: 1024px) {
    .container {
        padding: 0 2rem;
    }
}

/* Section Base */
.section {
    padding: 4rem 0;
}

.section-gray {
    background-color: #F8F9FA;
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 3rem;
}

.section-subtitle {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: #FF6B35;
    margin-bottom: 0.5rem;
}

.section-title {
    font-size: 1.875rem;
    font-weight: 700;
    color: #1A1A2E;
    margin-bottom: 1rem;
    line-height: 1.3;
}

.section-title span {
    color: #FF6B35;
}

.section-description {
    font-size: 1.125rem;
    color: #8A8AA3;
    line-height: 1.7;
}

@media (min-width: 768px) {
    .section {
        padding: 5rem 0;
    }
    
    .section-title {
        font-size: 2.25rem;
    }
}

@media (min-width: 1024px) {
    .section {
        padding: 6rem 0;
    }
}

/* ========================================
   Buttons
   ======================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-family: inherit;
    font-weight: 500;
    text-align: center;
    text-decoration: none;
    border: 2px solid transparent;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: all 0.25s ease;
    white-space: nowrap;
}

.btn:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.3);
}

/* Button Sizes */
.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn-medium {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

/* Button Variants */
.btn-primary {
    background: linear-gradient(135deg, #FF6B35 0%, #E85A2B 100%);
    color: #FFFFFF;
    border-color: #FF6B35;
    box-shadow: 0 4px 14px 0 rgba(255, 107, 53, 0.39);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #E85A2B 0%, #FF6B35 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 107, 53, 0.4);
}

.btn-outline {
    background: transparent;
    color: #FF6B35;
    border-color: #FF6B35;
}

.btn-outline:hover {
    background: #FF6B35;
    color: #FFFFFF;
    transform: translateY(-2px);
}

.btn-white {
    background: #FFFFFF;
    color: #FF6B35;
    border-color: #FFFFFF;
}

.btn-white:hover {
    background: #F8F9FA;
    color: #E85A2B;
}

/* ========================================
   Header & Navigation
   ======================================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: all 0.3s ease;
}

.header-top {
    background: #1A1A2E;
    padding: 0.5rem 0;
    transition: all 0.3s ease;
}

.header-top-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.contact-info {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #C8C8D8;
    font-size: 0.875rem;
    transition: color 0.25s ease;
}

.contact-item:hover {
    color: #FF6B35;
}

.contact-item i {
    font-size: 0.875rem;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* Language Selector */
.language-selector {
    position: relative;
}

.lang-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.375rem 0.75rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 0.375rem;
    color: #FFFFFF;
    font-size: 0.875rem;
    transition: all 0.25s ease;
}

.lang-btn:hover {
    background: rgba(255, 107, 53, 0.2);
}

.lang-dropdown {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    min-width: 160px;
    background: #FFFFFF;
    border-radius: 0.5rem;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    padding: 0.5rem 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.25s ease;
    z-index: 1001;
}

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

.lang-option {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.625rem 1rem;
    color: #1A1A2E;
    font-size: 0.875rem;
    transition: all 0.25s ease;
}

.lang-option:hover {
    background: #F8F9FA;
    color: #FF6B35;
}

.lang-option.active {
    background: rgba(255, 107, 53, 0.1);
    color: #FF6B35;
    font-weight: 500;
}

.lang-flag {
    font-size: 1.125rem;
}

/* Navbar */
.navbar {
    background: #FFFFFF;
    padding: 0;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.navbar.scrolled {
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.navbar-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-icon {
    width: 45px;
    height: 45px;
    background: linear-gradient(135deg, #FF6B35 0%, #FFD93D 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 14px rgba(255, 107, 53, 0.3);
}

.logo-icon i {
    font-size: 1.25rem;
    color: #FFFFFF;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: #1A1A2E;
    line-height: 1.2;
}

.logo-subtitle {
    font-size: 0.625rem;
    font-weight: 500;
    color: #8A8AA3;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

/* Navigation Menu */
.nav-menu {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1rem;
    color: #1A1A2E;
    font-size: 0.9375rem;
    font-weight: 500;
    border-radius: 0.5rem;
    transition: all 0.25s ease;
}

.nav-link i {
    font-size: 0.875rem;
    opacity: 0.7;
}

.nav-link:hover {
    color: #FF6B35;
    background: rgba(255, 107, 53, 0.05);
}

.nav-link.active {
    color: #FF6B35;
    background: rgba(255, 107, 53, 0.1);
}

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

.hamburger,
.hamburger::before,
.hamburger::after {
    display: block;
    width: 24px;
    height: 2px;
    background: #1A1A2E;
    border-radius: 2px;
    transition: all 0.25s ease;
}

.hamburger {
    position: relative;
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    left: 0;
}

.hamburger::before {
    top: -7px;
}

.hamburger::after {
    top: 7px;
}

.nav-toggle.active .hamburger {
    background: transparent;
}

.nav-toggle.active .hamburger::before {
    top: 0;
    transform: rotate(45deg);
}

.nav-toggle.active .hamburger::after {
    top: 0;
    transform: rotate(-45deg);
}

/* Navbar Actions */
.navbar-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.btn-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    color: #1A1A2E;
    background: transparent;
    border-radius: 50%;
    transition: all 0.25s ease;
}

.btn-icon:hover {
    background: rgba(255, 107, 53, 0.1);
    color: #FF6B35;
}

/* ========================================
   Hero Section
   ======================================== */

.hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    overflow: hidden;
}

.hero-slider {
    position: relative;
    width: 100%;
    height: 100%;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.8s ease, visibility 0.8s ease;
}

.hero-slide.active {
    opacity: 1;
    visibility: visible;
}

.hero-slide::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        135deg,
        rgba(26, 26, 46, 0.9) 0%,
        rgba(26, 26, 46, 0.7) 50%,
        rgba(26, 26, 46, 0.5) 100%
    );
    z-index: 1;
}

.hero-slide > * {
    position: relative;
    z-index: 2;
}

.hero-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    height: 100%;
    max-width: 700px;
    padding: 0 1rem;
    padding-top: 120px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(255, 107, 53, 0.2);
    border: 1px solid rgba(255, 107, 53, 0.3);
    border-radius: 2rem;
    color: #FF6B35;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #FFFFFF;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.hero-title .highlight {
    display: block;
    color: #FF6B35;
    margin-top: 0.5rem;
}

.hero-description {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.7;
    margin-bottom: 2rem;
    max-width: 600px;
}

.hero-stats {
    display: flex;
    gap: 2rem;
    margin-bottom: 2.5rem;
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: #FF6B35;
    line-height: 1;
}

.stat-label {
    display: block;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 0.25rem;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Hero Controls */
.hero-controls {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 1rem;
    z-index: 10;
}

.hero-btn {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    color: #FFFFFF;
    font-size: 1rem;
    transition: all 0.25s ease;
    cursor: pointer;
}

.hero-btn:hover {
    background: #FF6B35;
    border-color: #FF6B35;
    transform: scale(1.1);
}

.hero-dots {
    display: flex;
    gap: 0.5rem;
}

.hero-dot {
    width: 12px;
    height: 12px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border: none;
    cursor: pointer;
    transition: all 0.25s ease;
}

.hero-dot:hover {
    background: rgba(255, 255, 255, 0.5);
}

.hero-dot.active {
    background: #FF6B35;
    transform: scale(1.2);
}

/* Hero Scroll Down */
.hero-scroll {
    position: absolute;
    bottom: 2rem;
    left: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: rgba(255, 255, 255, 0.7);
    z-index: 10;
    transition: color 0.25s ease;
}

.hero-scroll:hover {
    color: #FF6B35;
}

.scroll-mouse {
    width: 24px;
    height: 36px;
    border: 2px solid currentColor;
    border-radius: 12px;
    position: relative;
}

.scroll-wheel {
    width: 4px;
    height: 8px;
    background: currentColor;
    border-radius: 2px;
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    animation: scrollWheel 2s infinite;
}

@keyframes scrollWheel {
    0% {
        opacity: 1;
        top: 6px;
    }
    50% {
        opacity: 0.5;
    }
    100% {
        opacity: 0;
        top: 18px;
    }
}

.scroll-text {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* ========================================
   Responsive Design
   ======================================== */

@media (max-width: 1024px) {
    .nav-menu {
        display: none;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 120px;
        left: 0;
        width: 100%;
        height: calc(100vh - 120px);
        background: #FFFFFF;
        flex-direction: column;
        padding: 2rem;
        gap: 0;
        overflow-y: auto;
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        display: flex;
    }
    
    .nav-menu.active {
        transform: translateX(0);
    }
    
    .nav-link {
        padding: 1rem;
        border-bottom: 1px solid #F0F0F0;
        font-size: 1.125rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-stats {
        gap: 1.5rem;
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
}

@media (max-width: 768px) {
    .header-top-content {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .contact-info {
        gap: 1rem;
    }
    
    .contact-item span {
        display: none;
    }
    
    .hero {
        min-height: 600px;
    }
    
    .hero-content {
        padding-top: 150px;
    }
    
    .hero-title {
        font-size: 1.75rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 1rem;
    }
    
    .hero-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-actions .btn {
        width: 100%;
        justify-content: center;
    }
    
    .hero-scroll {
        display: none;
    }
}

@media (max-width: 480px) {
    .logo-title {
        font-size: 1rem;
    }
    
    .logo-subtitle {
        font-size: 0.5rem;
    }
    
    .navbar-content {
        height: 60px;
    }
    
    .hero-title {
        font-size: 1.5rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
}

/* ========================================
   About Section
   ======================================== */

.about {
    background: #FFFFFF;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-image {
    position: relative;
}

.about-img-main {
    position: relative;
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.about-img-main img {
    width: 100%;
    height: auto;
    display: block;
}

.about-img-badge {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background: linear-gradient(135deg, #FF6B35 0%, #FFD93D 100%);
    color: #FFFFFF;
    padding: 1.5rem;
    border-radius: 1rem;
    text-align: center;
    box-shadow: 0 10px 30px rgba(255, 107, 53, 0.3);
}

.badge-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1;
}

.badge-text {
    display: block;
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

.about-img-secondary {
    position: absolute;
    bottom: -40px;
    left: -40px;
    width: 250px;
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
    border: 5px solid #FFFFFF;
}

.about-img-secondary img {
    width: 100%;
    height: auto;
}

.about-text {
    padding: 1rem 0;
}

.about-title {
    font-size: 2rem;
    font-weight: 700;
    color: #1A1A2E;
    margin-bottom: 1rem;
    line-height: 1.3;
}

.about-description {
    font-size: 1rem;
    color: #8A8AA3;
    line-height: 1.8;
    margin-bottom: 2rem;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.feature-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.1) 0%, rgba(255, 107, 53, 0.05) 100%);
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.feature-icon i {
    font-size: 1.25rem;
    color: #FF6B35;
}

.feature-content h4 {
    font-size: 1rem;
    font-weight: 600;
    color: #1A1A2E;
    margin-bottom: 0.25rem;
}

.feature-content p {
    font-size: 0.875rem;
    color: #8A8AA3;
}

.about-cta {
    display: flex;
    gap: 1rem;
}

@media (max-width: 1024px) {
    .about-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .about-img-secondary {
        display: none;
    }
}

@media (max-width: 640px) {
    .about-features {
        grid-template-columns: 1fr;
    }
    
    .about-title {
        font-size: 1.5rem;
    }
    
    .about-cta {
        flex-direction: column;
    }
    
    .about-cta .btn {
        width: 100%;
    }
}

/* ========================================
   Products Section
   ======================================== */

.products {
    background: #F8F9FA;
}

.product-categories {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem;
    margin-bottom: 3rem;
}

.category-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: #FFFFFF;
    border: 2px solid transparent;
    border-radius: 2rem;
    color: #4A4A6A;
    font-size: 0.9375rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.25s ease;
}

.category-btn i {
    font-size: 0.875rem;
}

.category-btn:hover {
    border-color: #FF6B35;
    color: #FF6B35;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 107, 53, 0.15);
}

.category-btn.active {
    background: #FF6B35;
    border-color: #FF6B35;
    color: #FFFFFF;
    box-shadow: 0 4px 14px rgba(255, 107, 53, 0.3);
}

/* Products Grid */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
}

.product-card {
    background: #FFFFFF;
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.product-image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 4/3;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.product-card:hover .product-image img {
    transform: scale(1.1);
}

.product-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(26, 26, 46, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.product-card:hover .product-overlay {
    opacity: 1;
    visibility: visible;
}

.product-actions {
    display: flex;
    gap: 1rem;
}

.action-btn {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #FFFFFF;
    border-radius: 50%;
    color: #1A1A2E;
    font-size: 1rem;
    transform: translateY(20px);
    opacity: 0;
    transition: all 0.3s ease;
}

.product-card:hover .action-btn {
    transform: translateY(0);
    opacity: 1;
}

.action-btn:nth-child(2) {
    transition-delay: 0.1s;
}

.action-btn:hover {
    background: #FF6B35;
    color: #FFFFFF;
    transform: translateY(-4px) !important;
}

/* Product Badge */
.product-badge {
    position: absolute;
    top: 1rem;
    left: 1rem;
    padding: 0.375rem 0.75rem;
    border-radius: 2rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.product-badge.badge-new {
    background: #00C897;
    color: #FFFFFF;
}

.product-badge.badge-hot {
    background: #FF6B35;
    color: #FFFFFF;
}

.product-badge.badge-sale {
    background: #FFD93D;
    color: #1A1A2E;
}

/* Product Info */
.product-info {
    padding: 1.5rem;
}

.product-name {
    font-size: 1.125rem;
    font-weight: 600;
    color: #1A1A2E;
    margin-bottom: 0.5rem;
    line-height: 1.4;
}

.product-desc {
    font-size: 0.875rem;
    color: #8A8AA3;
    margin-bottom: 1rem;
    line-height: 1.5;
}

.product-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid #F0F0F0;
}

.product-category {
    font-size: 0.75rem;
    font-weight: 500;
    color: #FF6B35;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.product-moq {
    font-size: 0.75rem;
    color: #8A8AA3;
}

.product-info .btn {
    width: 100%;
}

/* Products Footer */
.products-footer {
    text-align: center;
    margin-top: 3rem;
}

/* Responsive Products */
@media (max-width: 1024px) {
    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    }
}

@media (max-width: 768px) {
    .product-categories {
        gap: 0.5rem;
    }
    
    .category-btn {
        padding: 0.5rem 1rem;
        font-size: 0.875rem;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

/* ========================================
   Services Section
   ======================================== */

.services {
    background: #FFFFFF;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

/* 6个服务卡片布局 */
.services-grid.six-services {
    grid-template-columns: repeat(3, 1fr);
}

@media (max-width: 1200px) {
    .services-grid.six-services {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .services-grid.six-services {
        grid-template-columns: 1fr;
    }
}

.service-card {
    background: #FFFFFF;
    border: 1px solid #F0F0F0;
    border-radius: 1rem;
    padding: 2rem;
    position: relative;
    transition: all 0.3s ease;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
    border-color: #FF6B35;
}

.service-card.featured {
    background: linear-gradient(135deg, #FF6B35 0%, #FF8C5A 100%);
    border-color: #FF6B35;
    color: #FFFFFF;
}

.service-card.featured .service-icon {
    background: rgba(255, 255, 255, 0.2);
    color: #FFFFFF;
}

.service-card.featured .service-title {
    color: #FFFFFF;
}

.service-card.featured .service-description {
    color: rgba(255, 255, 255, 0.9);
}

.service-card.featured .service-list li {
    color: rgba(255, 255, 255, 0.9);
}

.service-card.featured .service-list i {
    color: #FFFFFF;
}

.service-badge {
    position: absolute;
    top: -12px;
    right: 1.5rem;
    padding: 0.375rem 0.75rem;
    background: #FFD93D;
    color: #1A1A2E;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    border-radius: 1rem;
}

.service-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.1) 0%, rgba(255, 107, 53, 0.05) 100%);
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.service-icon i {
    font-size: 1.5rem;
    color: #FF6B35;
}

.service-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: #1A1A2E;
    margin-bottom: 0.75rem;
}

.service-description {
    font-size: 0.9375rem;
    color: #8A8AA3;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.service-list {
    list-style: none;
}

.service-list li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.375rem 0;
    color: #4A4A6A;
    font-size: 0.875rem;
}

.service-list i {
    font-size: 0.75rem;
    color: #00C897;
}

@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .service-card {
        padding: 1.5rem;
    }
}

/* ========================================
   Contact Section
   ======================================== */

.contact {
    background: #FFFFFF;
}

.contact-info-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.contact-info-card {
    background: #F8F9FA;
    border-radius: 1rem;
    padding: 2rem 1.5rem;
    text-align: center;
    transition: all 0.3s ease;
}

.contact-info-card:hover {
    background: #FFFFFF;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    transform: translateY(-5px);
}

.contact-info-card .info-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.1) 0%, rgba(255, 107, 53, 0.05) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
}

.contact-info-card .info-icon i {
    font-size: 1.25rem;
    color: #FF6B35;
}

.contact-info-card h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: #1A1A2E;
    margin-bottom: 0.75rem;
}

.contact-info-card p {
    font-size: 0.9375rem;
    color: #8A8AA3;
    line-height: 1.6;
}

.contact-info-card a {
    color: #8A8AA3;
    transition: color 0.25s ease;
}

.contact-info-card a:hover {
    color: #FF6B35;
}

/* Contact Form */
.contact-form-section {
    max-width: 800px;
    margin: 0 auto;
}

.contact-form-wrapper {
    background: #FFFFFF;
    border-radius: 1.5rem;
    padding: 3rem;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.08);
}

.form-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: #1A1A2E;
    text-align: center;
    margin-bottom: 0.5rem;
}

.form-subtitle {
    font-size: 1rem;
    color: #8A8AA3;
    text-align: center;
    margin-bottom: 2rem;
}

.contact-form .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.contact-form .form-group {
    margin-bottom: 1.5rem;
}

.contact-form .form-row .form-group {
    margin-bottom: 0;
}

.contact-form label {
    display: block;
    font-size: 0.9375rem;
    font-weight: 500;
    color: #1A1A2E;
    margin-bottom: 0.5rem;
}

.contact-form .required {
    color: #DC3545;
}

.contact-form .form-control {
    width: 100%;
    padding: 0.875rem 1rem;
    font-size: 0.9375rem;
    color: #1A1A2E;
    background: #F8F9FA;
    border: 2px solid transparent;
    border-radius: 0.75rem;
    transition: all 0.25s ease;
}

.contact-form .form-control:focus {
    background: #FFFFFF;
    border-color: #FF6B35;
    box-shadow: 0 0 0 4px rgba(255, 107, 53, 0.1);
}

.contact-form .form-control::placeholder {
    color: #8A8AA3;
}

.contact-form select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%238A8AA3' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

.contact-form textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

.contact-form .form-checkbox {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.contact-form .checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    cursor: pointer;
}

.contact-form .checkbox-label input[type="checkbox"] {
    width: 20px;
    height: 20px;
    margin-top: 2px;
    accent-color: #FF6B35;
    cursor: pointer;
}

.contact-form .checkbox-text {
    font-size: 0.9375rem;
    color: #8A8AA3;
    line-height: 1.5;
}

.contact-form .form-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

@media (max-width: 768px) {
    .contact-info-cards {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-form-wrapper {
        padding: 2rem 1.5rem;
    }
    
    .contact-form .form-row {
        grid-template-columns: 1fr;
    }
    
    .contact-form .form-actions {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .contact-info-cards {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   Map Section
   ======================================== */

.map-section {
    width: 100%;
}

.map-container {
    width: 100%;
    height: 450px;
}

.map-container iframe {
    width: 100%;
    height: 100%;
    border: none;
    filter: grayscale(20%);
}

@media (max-width: 768px) {
    .map-container {
        height: 350px;
    }
}

/* ========================================
   Footer
   ======================================== */

.footer {
    background: #1A1A2E;
    color: #FFFFFF;
}

.footer-main {
    padding: 5rem 0 3rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 3rem;
}

/* Footer Widget */
.footer-widget h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: #FFFFFF;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 0.75rem;
}

.footer-widget h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background: linear-gradient(90deg, #FF6B35 0%, #FFD93D 100%);
    border-radius: 2px;
}

/* Footer Logo */
.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.footer-logo .logo-icon {
    width: 45px;
    height: 45px;
    background: linear-gradient(135deg, #FF6B35 0%, #FFD93D 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.footer-logo .logo-icon i {
    font-size: 1.25rem;
    color: #FFFFFF;
}

.footer-logo .logo-text {
    display: flex;
    flex-direction: column;
}

.footer-logo .logo-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: #FFFFFF;
    line-height: 1.2;
}

.footer-logo .logo-subtitle {
    font-size: 0.625rem;
    font-weight: 500;
    color: #8A8AA3;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

/* Footer Description */
.footer-description {
    font-size: 0.9375rem;
    color: #8A8AA3;
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

/* Footer Contact */
.footer-contact {
    margin-bottom: 1.5rem;
}

.footer-contact .contact-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 0;
    color: #C8C8D8;
    font-size: 0.9375rem;
    transition: color 0.25s ease;
}

.footer-contact .contact-item:hover {
    color: #FF6B35;
}

.footer-contact .contact-item i {
    font-size: 1rem;
    color: #FF6B35;
    width: 20px;
}

/* Footer Social */
.footer-social {
    display: flex;
    gap: 0.75rem;
}

.footer-social .social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: #C8C8D8;
    font-size: 1rem;
    transition: all 0.25s ease;
}

.footer-social .social-link:hover {
    background: #FF6B35;
    color: #FFFFFF;
    transform: translateY(-3px);
}

/* Footer Links */
.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #C8C8D8;
    font-size: 0.9375rem;
    transition: all 0.25s ease;
}

.footer-links a i {
    font-size: 0.75rem;
    color: #FF6B35;
    transition: transform 0.25s ease;
}

.footer-links a:hover {
    color: #FF6B35;
    padding-left: 0.5rem;
}

.footer-links a:hover i {
    transform: translateX(4px);
}

/* Newsletter Form */
.newsletter-text {
    font-size: 0.9375rem;
    color: #C8C8D8;
    margin-bottom: 1rem;
}

.newsletter-form .form-group {
    display: flex;
    gap: 0.5rem;
}

.newsletter-form .form-control {
    flex: 1;
    padding: 0.75rem 1rem;
    font-size: 0.9375rem;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 0.5rem;
    color: #FFFFFF;
    transition: all 0.25s ease;
}

.newsletter-form .form-control::placeholder {
    color: #8A8AA3;
}

.newsletter-form .form-control:focus {
    background: rgba(255, 255, 255, 0.15);
    border-color: #FF6B35;
    outline: none;
}

.newsletter-form .btn {
    padding: 0.75rem 1rem;
}

/* Payment Methods */
.payment-methods {
    margin-top: 1.5rem;
}

.payment-methods h5 {
    font-size: 0.875rem;
    font-weight: 500;
    color: #C8C8D8;
    margin-bottom: 0.75rem;
}

.payment-icons {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.payment-icons i {
    font-size: 1.5rem;
    color: #C8C8D8;
    transition: color 0.25s ease;
}

.payment-icons i:hover {
    color: #FF6B35;
}

/* Footer Bottom */
.footer-bottom {
    background: #151528;
    padding: 1.5rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-bottom-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.footer-bottom .copyright {
    font-size: 0.9375rem;
    color: #8A8AA3;
}

.footer-links-bottom {
    display: flex;
    gap: 1.5rem;
}

.footer-links-bottom a {
    font-size: 0.9375rem;
    color: #8A8AA3;
    transition: color 0.25s ease;
}

.footer-links-bottom a:hover {
    color: #FF6B35;
}

@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-bottom-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .footer-links-bottom {
        gap: 1rem;
    }
}

/* ========================================
   Back to Top & WhatsApp Buttons
   ======================================== */

.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #FF6B35 0%, #FFD93D 100%);
    border: none;
    border-radius: 50%;
    color: #FFFFFF;
    font-size: 1.125rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s ease;
    z-index: 999;
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.4);
}

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

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(255, 107, 53, 0.5);
}

.whatsapp-float {
    position: fixed;
    bottom: 2rem;
    left: 2rem;
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #FFFFFF;
    font-size: 1.75rem;
    text-decoration: none;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s ease;
    z-index: 999;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
}

.whatsapp-float.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.whatsapp-float:hover {
    transform: translateY(-5px) scale(1.1);
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.5);
}

@media (max-width: 640px) {
    .back-to-top {
        width: 45px;
        height: 45px;
        font-size: 1rem;
        bottom: 1.5rem;
        right: 1.5rem;
    }
    
    .whatsapp-float {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
        bottom: 1.5rem;
        left: 1.5rem;
    }
}

/* ========================================
   Utilities
   ======================================== */

.text-center {
    text-align: center;
}

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

.hidden {
    display: none !important;
}

.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;
}

/* Shake Animation for Form Errors */
@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
    20%, 40%, 60%, 80% { transform: translateX(5px); }
}

/* Print Styles */
@media print {
    .header,
    .hero-controls,
    .hero-scroll,
    .back-to-top,
    .whatsapp-float,
    .btn {
        display: none !important;
    }
    
    .hero {
        height: auto;
        min-height: auto;
    }
    
    .hero-content {
        padding: 2rem 0;
    }
}



.section-gray {
    background-color: var(--light);
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 3rem;
}

.section-subtitle {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--primary);
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.section-title {
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 1rem;
    line-height: 1.3;
}

.section-title span {
    color: var(--primary);
}

.section-description {
    font-size: 1.125rem;
    color: var(--gray);
    line-height: 1.7;
}

@media (min-width: 768px) {
    .section-title {
        font-size: 2.25rem;
    }
}

/* ========================================
   Buttons
   ======================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-family: var(--font-primary);
    font-weight: 500;
    text-align: center;
    text-decoration: none;
    border: 2px solid transparent;
    border-radius: 0.75rem;
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.3);
}

/* Button Sizes */
.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn-medium {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

/* Button Variants */
.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    border-color: var(--primary);
    box-shadow: 0 4px 14px 0 rgba(255, 107, 53, 0.39);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 107, 53, 0.4);
}

.btn-secondary {
    background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-dark) 100%);
    color: var(--white);
    border-color: var(--secondary);
}

.btn-secondary:hover {
    background: linear-gradient(135deg, var(--secondary-dark) 0%, var(--secondary) 100%);
    color: var(--white);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border-color: var(--primary);
}

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

.btn-white {
    background: var(--white);
    color: var(--primary);
    border-color: var(--white);
}

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

/* ========================================
   Header Styles
   ======================================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: all var(--transition-base);
}

.header-top {
    background: var(--dark);
    padding: 0.5rem 0;
    transition: all var(--transition-base);
}

.header.scrolled .header-top {
    opacity: 0;
    height: 0;
    padding: 0;
    overflow: hidden;
}

.header-top-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.contact-info {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--gray-light);
    font-size: 0.875rem;
    transition: color var(--transition-fast);
}

.contact-item:hover {
    color: var(--primary);
}

.contact-item i {
    color: var(--primary);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* Language Selector */
.language-selector {
    position: relative;
}

.lang-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.375rem 0.75rem;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-md);
    color: var(--white);
    font-size: 0.875rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.lang-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.3);
}

.lang-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 0.5rem;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    min-width: 180px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-base);
    z-index: 1000;
}

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

.lang-option {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: var(--dark);
    font-size: 0.9375rem;
    transition: all var(--transition-fast);
    border-bottom: 1px solid var(--gray-light);
}

.lang-option:last-child {
    border-bottom: none;
}

.lang-option:hover {
    background: var(--light);
    color: var(--primary);
}

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

.lang-flag {
    font-size: 1.125rem;
}

/* Navigation Bar */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    transition: all var(--transition-base);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-md);
}

.navbar-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-icon {
    width: 45px;
    height: 45px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-primary);
}

.logo-icon i {
    font-size: 1.5rem;
    color: var(--white);
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--dark);
    line-height: 1.2;
}

.logo-subtitle {
    font-size: 0.6875rem;
    font-weight: 500;
    color: var(--gray);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Navigation Menu */
.nav-menu {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    color: var(--gray-dark);
    font-size: 0.9375rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary);
    background: rgba(255, 107, 53, 0.1);
}

.nav-link i {
    font-size: 0.875rem;
}

/* Navbar Actions */
.navbar-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.btn-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--light);
    border-radius: var(--radius-full);
    color: var(--gray-dark);
    font-size: 1rem;
    transition: all var(--transition-fast);
}

.btn-icon:hover {
    background: var(--primary);
    color: var(--white);
}

/* Mobile Menu Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    padding: 0.5rem;
    background: var(--light);
    border-radius: var(--radius-md);
    cursor: pointer;
}

.hamburger,
.hamburger::before,
.hamburger::after {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--dark);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

.hamburger {
    position: relative;
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    left: 0;
}

.hamburger::before {
    top: -6px;
}

.hamburger::after {
    top: 6px;
}

/* Active Hamburger Animation */
.nav-toggle.active .hamburger {
    background: transparent;
}

.nav-toggle.active .hamburger::before {
    top: 0;
    transform: rotate(45deg);
}

.nav-toggle.active .hamburger::after {
    top: 0;
    transform: rotate(-45deg);
}

/* Mobile Navigation */
@media (max-width: 1024px) {
    .nav-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--white);
        flex-direction: column;
        align-items: stretch;
        padding: 1rem;
        gap: 0;
        overflow-y: auto;
        transform: translateX(-100%);
        transition: transform var(--transition-base);
        z-index: 999;
    }
    
    .nav-menu.active {
        transform: translateX(0);
    }
    
    .nav-item {
        border-bottom: 1px solid var(--gray-light);
    }
    
    .nav-link {
        padding: 1rem;
        border-radius: 0;
    }
    
    .nav-link:hover,
    .nav-link.active {
        background: transparent;
        padding-left: 1.25rem;
    }
    
    body.menu-open {
        overflow: hidden;
    }
}

@media (max-width: 768px) {
    .logo-text {
        display: none;
    }
    
    .navbar-actions .btn-medium {
        display: none;
    }
}