/* ========================================
   OrangePie - Modern E-commerce Tools
   Author: OrangePie Design Team
   ======================================== */

/* CSS Variables */
:root {
    /* Colors */
    --primary: #FF6B35;
    --primary-light: #FF8F66;
    --primary-dark: #E55A28;
    --primary-glow: rgba(255, 107, 53, 0.3);
    
    --accent: #FFB347;
    --accent-light: #FFD699;
    
    --bg-dark: #0D0D0D;
    --bg-dark-secondary: #1A1A1A;
    --bg-card: rgba(30, 30, 30, 0.6);
    --bg-card-hover: rgba(40, 40, 40, 0.8);
    
    --text-primary: #FFFFFF;
    --text-secondary: #A0A0A0;
    --text-muted: #666666;
    
    --border-light: rgba(255, 255, 255, 0.08);
    --border-glow: rgba(255, 107, 53, 0.3);
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    --gradient-dark: linear-gradient(180deg, var(--bg-dark) 0%, var(--bg-dark-secondary) 100%);
    --gradient-glow: radial-gradient(ellipse at center, var(--primary-glow) 0%, transparent 70%);
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 16px 64px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px var(--primary-glow);
    
    /* Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-blur: 20px;
    
    /* Typography */
    --font-display: 'Outfit', sans-serif;
    --font-body: 'Noto Sans SC', sans-serif;
    
    /* Spacing */
    --section-padding: 120px 0;
    --container-max: 1200px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* Reset & Base */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Container */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
}

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

ul {
    list-style: none;
}

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

/* Section Styles */
.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.section-tag {
    display: inline-block;
    font-family: var(--font-display);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--primary);
    background: rgba(255, 107, 53, 0.1);
    border: 1px solid rgba(255, 107, 53, 0.2);
    padding: 8px 16px;
    border-radius: 50px;
    margin-bottom: 20px;
}

.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    margin-bottom: 20px;
}

.section-title .highlight {
    color: var(--primary);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ========================================
   Header
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: all var(--transition-base);
}

.header.scrolled {
    background: rgba(13, 13, 13, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-light);
    padding: 12px 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 1.5rem;
}

.logo-icon {
    font-size: 1.8rem;
    filter: drop-shadow(0 0 10px var(--primary-glow));
}

.logo-text {
    color: var(--text-primary);
}

.logo-text-cn {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-left: 4px;
}

.logo-text-cn:empty,
[data-i18n="logo.name"]:empty {
    display: none;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 40px;
}

.nav-links a {
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width var(--transition-base);
}

.nav-links a:hover {
    color: var(--text-primary);
}

.nav-links a:hover::after {
    width: 100%;
}

/* ========================================
   Language Switcher
   ======================================== */
.nav-right {
    display: flex;
    align-items: center;
    gap: 24px;
}

.language-switcher {
    position: relative;
    z-index: 1001;
}

.lang-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    padding: 10px 14px;
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-family: var(--font-display);
    font-size: 0.9rem;
    font-weight: 500;
}

.lang-btn:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--primary);
}

.lang-btn svg {
    width: 18px;
    height: 18px;
}

.lang-btn .chevron {
    width: 14px;
    height: 14px;
    transition: transform var(--transition-fast);
}

.lang-btn.active .chevron {
    transform: rotate(180deg);
}

.lang-current {
    min-width: 24px;
    text-align: center;
}

.lang-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 140px;
    background: var(--bg-dark-secondary);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 8px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-base);
    box-shadow: var(--shadow-md);
}

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

.lang-option {
    display: block;
    width: 100%;
    padding: 10px 14px;
    background: transparent;
    border: none;
    border-radius: 8px;
    color: var(--text-secondary);
    font-family: var(--font-body);
    font-size: 0.9rem;
    text-align: left;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.lang-option:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
}

.lang-option.active {
    background: rgba(255, 107, 53, 0.15);
    color: var(--primary);
}

/* Mobile Toggle */
.mobile-toggle {
    display: none;
    width: 40px;
    height: 40px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    cursor: pointer;
    position: relative;
    z-index: 1001;
}

.hamburger,
.hamburger::before,
.hamburger::after {
    width: 20px;
    height: 2px;
    background: var(--text-primary);
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    transition: all var(--transition-base);
}

.hamburger {
    top: 50%;
    transform: translate(-50%, -50%);
}

.hamburger::before,
.hamburger::after {
    content: '';
    left: 0;
    transform: none;
}

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

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

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

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

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

/* ========================================
   Hero Section
   ======================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding: 140px 0 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.hero-particles {
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(circle at 20% 50%, var(--primary-glow) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 179, 71, 0.15) 0%, transparent 40%),
        radial-gradient(circle at 40% 80%, rgba(255, 107, 53, 0.1) 0%, transparent 30%);
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background: 
        linear-gradient(180deg, transparent 0%, var(--bg-dark) 100%),
        radial-gradient(ellipse at 30% 0%, rgba(255, 107, 53, 0.15) 0%, transparent 50%);
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content {
    animation: fadeInUp 0.8s ease forwards;
}

.hero-badge {
    display: inline-block;
    font-family: var(--font-display);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    color: var(--primary);
    background: rgba(255, 107, 53, 0.1);
    border: 1px solid rgba(255, 107, 53, 0.3);
    padding: 10px 20px;
    border-radius: 50px;
    margin-bottom: 24px;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.hero-title .highlight {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.15rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 32px;
    max-width: 500px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    padding: 14px 28px;
    border-radius: 12px;
    cursor: pointer;
    transition: all var(--transition-base);
    border: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 20px var(--primary-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--primary-glow);
}

.btn-secondary {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--primary);
}

.btn-icon {
    width: 18px;
    height: 18px;
}

.btn-full {
    width: 100%;
    justify-content: center;
}

/* Hero Stats */
.hero-stats {
    display: flex;
    align-items: center;
    gap: 24px;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-primary);
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--border-light);
}

/* Hero Visual */
.hero-visual {
    position: relative;
    animation: fadeInRight 0.8s ease 0.2s forwards;
    opacity: 0;
}

.hero-card {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    overflow: hidden;
    backdrop-filter: blur(var(--glass-blur));
    box-shadow: var(--shadow-lg);
}

.card-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-light);
}

.card-dots {
    display: flex;
    gap: 8px;
}

.card-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--text-muted);
}

.card-dots span:first-child {
    background: #FF5F57;
}

.card-dots span:nth-child(2) {
    background: #FEBC2E;
}

.card-dots span:last-child {
    background: #28C840;
}

.card-body {
    padding: 24px;
}

.code-preview {
    font-family: 'Fira Code', 'Consolas', monospace;
    font-size: 0.9rem;
    line-height: 1.8;
}

.code-line {
    color: var(--text-secondary);
}

.code-keyword {
    color: #C678DD;
}

.code-var {
    color: #E5C07B;
}

.code-string {
    color: #98C379;
}

.code-comment {
    color: #5C6370;
}

.code-output {
    color: var(--primary);
}

.code-indent {
    padding-left: 20px;
}

/* Floating Badges */
.floating-badge {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 12px 18px;
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
    animation: float 3s ease-in-out infinite;
}

.floating-badge svg {
    width: 20px;
    height: 20px;
    color: var(--primary);
}

.floating-badge span {
    font-family: var(--font-display);
    font-size: 0.9rem;
    font-weight: 500;
}

.badge-1 {
    top: -20px;
    right: -20px;
    animation-delay: 0s;
}

.badge-2 {
    bottom: 30px;
    left: -40px;
    animation-delay: 1.5s;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 0.8rem;
    animation: bounce 2s infinite;
}

.scroll-arrow {
    width: 20px;
    height: 20px;
    border-right: 2px solid var(--text-muted);
    border-bottom: 2px solid var(--text-muted);
    transform: rotate(45deg);
}

/* ========================================
   Glass Card
   ======================================== */
.glass-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    backdrop-filter: blur(var(--glass-blur));
}

/* ========================================
   Products Section
   ======================================== */
.products {
    padding: var(--section-padding);
    position: relative;
}

.products::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-light), transparent);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.product-card {
    padding: 32px;
    position: relative;
    transition: all var(--transition-base);
}

.product-card:hover {
    transform: translateY(-8px);
    border-color: var(--border-glow);
    box-shadow: var(--shadow-glow);
}

.product-card.featured {
    border-color: var(--border-glow);
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.08) 0%, var(--glass-bg) 100%);
}

.product-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--primary);
    background: rgba(255, 107, 53, 0.15);
    padding: 6px 12px;
    border-radius: 50px;
}

.product-icon {
    width: 60px;
    height: 60px;
    background: rgba(255, 107, 53, 0.1);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.product-icon svg {
    width: 30px;
    height: 30px;
    color: var(--primary);
}

.product-title {
    font-size: 1.4rem;
    margin-bottom: 16px;
}

.product-description {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 20px;
}

.product-features {
    margin-bottom: 24px;
}

.product-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.product-features svg {
    width: 18px;
    height: 18px;
    color: var(--primary);
    flex-shrink: 0;
}

.product-platforms {
    display: flex;
    gap: 10px;
    margin-bottom: 24px;
}

.platform-badge {
    font-family: var(--font-display);
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-light);
    padding: 6px 14px;
    border-radius: 6px;
}

.product-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--primary);
    transition: gap var(--transition-fast);
}

.product-link:hover {
    gap: 12px;
}

.product-link svg {
    width: 18px;
    height: 18px;
}

/* ========================================
   About Section
   ======================================== */
.about {
    padding: var(--section-padding);
    background: var(--bg-dark-secondary);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-visual {
    position: relative;
}

.about-image {
    width: 100%;
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.1) 0%, var(--glass-bg) 100%);
}

.about-illustration {
    width: 200px;
    height: 200px;
}

.ring {
    fill: none;
    stroke: var(--primary);
    stroke-width: 1;
    opacity: 0.3;
    animation: pulse-ring 3s ease-in-out infinite;
}

.ring-1 {
    animation-delay: 0s;
}

.ring-2 {
    animation-delay: 0.5s;
}

.ring-3 {
    animation-delay: 1s;
}

.icon-text {
    fill: var(--primary);
    font-family: var(--font-display);
    font-size: 28px;
    font-weight: 700;
}

.about-float {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 14px 20px;
    box-shadow: var(--shadow-md);
}

.about-float svg {
    width: 24px;
    height: 24px;
    color: var(--primary);
}

.about-float span {
    font-family: var(--font-display);
    font-weight: 600;
}

.float-1 {
    top: 20%;
    right: -20px;
    animation: float 4s ease-in-out infinite;
}

.float-2 {
    bottom: 20%;
    left: -30px;
    animation: float 4s ease-in-out infinite;
    animation-delay: 2s;
}

.about-content .section-header {
    text-align: left;
    margin: 0 0 32px;
}

.about-text {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 20px;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-top: 32px;
}

.about-feature {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.feature-icon {
    width: 48px;
    height: 48px;
    background: rgba(255, 107, 53, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.feature-icon svg {
    width: 24px;
    height: 24px;
    color: var(--primary);
}

.feature-text h4 {
    font-size: 1rem;
    margin-bottom: 4px;
}

.feature-text p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* ========================================
   Features Section
   ======================================== */
.features {
    padding: var(--section-padding);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.feature-card {
    padding: 32px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-glow);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-number {
    font-family: var(--font-display);
    font-size: 3.5rem;
    font-weight: 800;
    color: rgba(255, 107, 53, 0.1);
    line-height: 1;
    margin-bottom: 16px;
}

.feature-title {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.feature-description {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ========================================
   Contact Section
   ======================================== */
.contact {
    padding: var(--section-padding);
    background: var(--bg-dark-secondary);
    position: relative;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-light), transparent);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
}

.contact-info .section-header {
    text-align: left;
    margin: 0 0 32px;
}

.contact-description {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 40px;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 16px;
}

.method-icon {
    width: 52px;
    height: 52px;
    background: rgba(255, 107, 53, 0.1);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.method-icon svg {
    width: 24px;
    height: 24px;
    color: var(--primary);
}

.method-details {
    display: flex;
    flex-direction: column;
}

.method-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.method-value {
    font-size: 1rem;
    color: var(--text-primary);
}

.method-value a {
    transition: color var(--transition-fast);
}

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

/* Contact Form */
.contact-form-wrapper {
    max-width: 500px;
}

.contact-form {
    padding: 40px;
}

.form-title {
    font-size: 1.5rem;
    margin-bottom: 28px;
    text-align: center;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-family: var(--font-display);
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--text-secondary);
}

.form-group input,
.form-group textarea {
    width: 100%;
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-light);
    border-radius: 10px;
    padding: 14px 16px;
    transition: all var(--transition-fast);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
}

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

/* ========================================
   Footer
   ======================================== */
.footer {
    padding: 80px 0 40px;
    background: var(--bg-dark);
    border-top: 1px solid var(--border-light);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-brand .logo {
    margin-bottom: 16px;
}

.footer-tagline {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 16px;
}

.footer-description {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.7;
    max-width: 280px;
}

.footer-links h4 {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    font-size: 0.9rem;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 40px;
    border-top: 1px solid var(--border-light);
}

.copyright {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.footer-legal {
    display: flex;
    gap: 24px;
}

.footer-legal a {
    font-size: 0.9rem;
    color: var(--text-muted);
    transition: color var(--transition-fast);
}

.footer-legal a:hover {
    color: var(--text-secondary);
}

/* ========================================
   Animations
   ======================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

@keyframes pulse-ring {
    0%, 100% {
        opacity: 0.3;
    }
    50% {
        opacity: 0.6;
    }
}

/* Scroll Animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 1024px) {
    :root {
        --section-padding: 80px 0;
    }
    
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
    
    .footer-brand {
        grid-column: span 2;
    }
}

@media (max-width: 768px) {
    .mobile-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .nav-right {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background: var(--bg-dark-secondary);
        flex-direction: column;
        justify-content: center;
        gap: 32px;
        padding: 40px;
        transition: right var(--transition-base);
        border-left: 1px solid var(--border-light);
    }
    
    .nav-right.active {
        right: 0;
    }
    
    .nav-links {
        flex-direction: column;
        gap: 24px;
    }
    
    .nav-links a {
        font-size: 1.2rem;
    }
    
    .language-switcher {
        width: 100%;
    }
    
    .lang-btn {
        width: 100%;
        justify-content: center;
    }
    
    .lang-dropdown {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: none;
        background: transparent;
        padding: 0;
    }
    
    .lang-option {
        text-align: center;
        padding: 12px;
    }
    
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content {
        order: 1;
    }
    
    .hero-visual {
        order: 0;
        max-width: 400px;
        margin: 0 auto;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-description {
        max-width: none;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-stats .stat-divider:last-child {
        display: none;
    }
    
    .scroll-indicator {
        display: none;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    
    .about-visual {
        order: 0;
    }
    
    .about-content {
        order: 1;
    }
    
    .about-content .section-header {
        text-align: center;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    
    .contact-info {
        text-align: center;
    }
    
    .contact-info .section-header {
        margin-left: auto;
        margin-right: auto;
    }
    
    .contact-methods {
        align-items: center;
    }
    
    .contact-form-wrapper {
        max-width: none;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .footer-brand {
        grid-column: auto;
    }
    
    .footer-description {
        max-width: none;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    :root {
        --section-padding: 60px 0;
    }
    
    .container {
        padding: 0 16px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 16px;
    }
    
    .stat-divider {
        display: none !important;
    }
    
    .product-card,
    .feature-card,
    .contact-form {
        padding: 24px;
    }
    
    .floating-badge {
        display: none;
    }
}

/* ========================================
   Selection & Scrollbar
   ======================================== */
::selection {
    background: var(--primary);
    color: white;
}

::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
    background: var(--text-muted);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}