/* ===================================
   Sinnotrade GmbH - Main Stylesheet
   Primary: #39D1FF | Background: #EFEFEF
   =================================== */

:root {
    /* Primary Colors */
    --primary: #39D1FF;
    --primary-dark: #2BB8E6;
    --primary-light: #6DDEFF;

    /* Light Theme (default) */
    --bg-body: #EFEFEF;
    --bg-card: #ffffff;
    --bg-navbar: #ffffff;
    --bg-footer: #1a1a2e;
    --bg-hero: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    --bg-input: #ffffff;
    --bg-input-focus: #ffffff;

    --text-primary: #333333;
    --text-secondary: #6c757d;
    --text-muted: #6c757d;
    --text-inverse: #ffffff;

    --border-color: #dee2e6;
    --border-light: #e9ecef;

    /* Legacy variables (for compatibility) */
    --background: #EFEFEF;
    --background-dark: #1a1a2e;
    --background-darker: #16162a;
    --text-light: #ffffff;
    --text-dark: #333333;
    --gray-100: #f8f9fa;
    --gray-200: #e9ecef;
    --gray-300: #dee2e6;
    --gray-600: #6c757d;
    --gray-800: #343a40;
    --gray-900: #212529;

    /* Utilities */
    --transition: all 0.3s ease;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
    --border-radius: 8px;
    --border-radius-lg: 16px;
}

/* Dark Theme */
[data-theme="dark"] {
    --bg-body: #121212;
    --bg-card: #1e1e1e;
    --bg-navbar: #1a1a1a;
    --bg-footer: #0a0a0a;
    --bg-hero: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 50%, #0f3460 100%);
    --bg-input: #2a2a2a;
    --bg-input-focus: #333333;

    --text-primary: #e0e0e0;
    --text-secondary: #a0a0a0;
    --text-muted: #808080;
    --text-inverse: #121212;

    --border-color: #333333;
    --border-light: #2a2a2a;

    --background: #121212;
    --text-dark: #e0e0e0;
    --gray-100: #1e1e1e;
    --gray-200: #2a2a2a;
    --gray-300: #333333;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Roboto', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-body);
    transition: background-color 0.3s ease, color 0.3s ease;
}

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

ul {
    list-style: none;
}

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

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: 3rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

.highlight {
    color: var(--primary);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 28px;
    font-size: 1rem;
    font-weight: 500;
    text-align: center;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
}

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

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

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

.btn-secondary:hover {
    background-color: var(--primary);
    color: var(--background-dark);
}

.btn-large {
    padding: 16px 40px;
    font-size: 1.125rem;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: var(--background-dark);
    z-index: 1000;
    padding: 15px 0;
    box-shadow: var(--shadow);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo img {
    height: 50px;
    width: auto;
}

.nav-menu {
    display: flex;
    gap: 30px;
}

.nav-menu a {
    color: var(--text-light);
    font-weight: 500;
    padding: 8px 0;
    position: relative;
}

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

.nav-menu a:hover::after,
.nav-menu a.active::after {
    width: 100%;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--primary);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.nav-toggle span {
    width: 25px;
    height: 2px;
    background-color: var(--text-light);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 120px 20px 60px;
    overflow: hidden;
    background: var(--bg-hero);
}

#hero-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    text-align: center;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    color: var(--text-light);
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--primary);
    font-weight: 500;
    margin-bottom: 1rem;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.hero-text {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    justify-content: center;
}

/* Features Section */
.features {
    padding: 100px 0;
    background-color: var(--gray-100);
}

.features h2 {
    text-align: center;
    margin-bottom: 60px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature-card {
    background-color: white;
    padding: 40px 30px;
    border-radius: var(--border-radius-lg);
    text-align: center;
    transition: var(--transition);
    box-shadow: var(--shadow);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-icon svg {
    width: 32px;
    height: 32px;
    color: var(--background-dark);
}

.feature-card h3 {
    margin-bottom: 15px;
    color: var(--gray-900);
}

.feature-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* Products Overview */
.products-overview {
    padding: 100px 0;
}

.products-overview h2 {
    text-align: center;
    margin-bottom: 60px;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.product-line {
    background-color: white;
    padding: 40px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 2px solid transparent;
}

.product-line:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.product-line.featured {
    border-color: var(--primary);
    background: linear-gradient(180deg, white 0%, rgba(57, 209, 255, 0.05) 100%);
}

.product-line-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    flex-wrap: wrap;
    gap: 10px;
}

.product-line h3 {
    margin-bottom: 0;
    color: var(--gray-900);
}

.badge {
    background-color: var(--primary);
    color: var(--background-dark);
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

.product-line p {
    color: var(--text-muted);
    margin-bottom: 20px;
}

.product-features {
    margin-bottom: 25px;
}

.product-features li {
    padding: 8px 0;
    padding-left: 25px;
    position: relative;
    color: var(--gray-800);
}

.product-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: 700;
}

/* CTA Section */
.cta {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--background-dark) 0%, var(--background-darker) 100%);
    text-align: center;
}

.cta h2 {
    color: var(--text-light);
    margin-bottom: 15px;
}

.cta p {
    color: var(--gray-300);
    margin-bottom: 30px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Footer */
.footer {
    background-color: var(--gray-900);
    color: var(--text-light);
    padding: 60px 0 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand img {
    margin-bottom: 15px;
}

.footer-brand p {
    color: var(--gray-300);
    font-size: 0.9rem;
}

.footer-brand .footer-parent-logo {
    margin-top: 12px;
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.footer-brand .footer-parent-logo:hover {
    opacity: 1;
}

.footer-links h4,
.footer-contact h4 {
    color: var(--primary);
    margin-bottom: 20px;
}

.footer-links ul li {
    margin-bottom: 10px;
}

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

.footer-contact p {
    line-height: 2;
}

.footer-bottom {
    border-top: 1px solid var(--gray-800);
    padding-top: 20px;
    text-align: center;
    color: var(--gray-600);
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 992px) {
    .hero {
        padding-top: 100px;
    }

    .hero-content {
        max-width: 100%;
        padding: 0 20px;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
}

@media (max-width: 768px) {
    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--background-dark);
        flex-direction: column;
        padding: 20px;
        gap: 15px;
        display: none;
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-toggle {
        display: flex;
    }

    .hero h1 {
        font-size: 2rem;
    }

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

/* Page specific styles */
.page-header {
    background: linear-gradient(135deg, var(--background-dark) 0%, var(--background-darker) 100%);
    padding: 140px 20px 60px;
    text-align: center;
    color: var(--text-light);
}

.page-header h1 {
    margin-bottom: 15px;
}

.page-header p {
    color: var(--gray-300);
    max-width: 700px;
    margin: 0 auto;
    font-size: 1.125rem;
}

/* Product Cards */
.product-section {
    padding: 80px 0;
}

.product-section:nth-child(even) {
    background-color: var(--gray-100);
}

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

.product-detail.reverse {
    direction: rtl;
}

.product-detail.reverse > * {
    direction: ltr;
}

.product-image {
    background: linear-gradient(135deg, var(--background-dark) 0%, var(--background-darker) 100%);
    border-radius: var(--border-radius-lg);
    padding: 60px;
    text-align: center;
    border: 2px solid var(--primary);
    box-shadow: 0 0 40px rgba(57, 209, 255, 0.2);
}

.product-image .size-indicator {
    font-size: 5rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 10px;
}

.product-image .model-name {
    font-size: 1.5rem;
    color: var(--text-light);
}

.product-info h2 {
    margin-bottom: 20px;
}

.product-info > p {
    color: var(--text-muted);
    margin-bottom: 30px;
    font-size: 1.05rem;
}

.specs-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 30px;
}

.spec-item {
    background-color: white;
    padding: 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.spec-item h4 {
    color: var(--primary);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

.spec-item p {
    color: var(--gray-800);
    font-weight: 500;
}

@media (max-width: 992px) {
    .product-detail {
        grid-template-columns: 1fr;
    }

    .product-detail.reverse {
        direction: ltr;
    }
}

@media (max-width: 576px) {
    .specs-grid {
        grid-template-columns: 1fr;
    }
}

/* Forms */
.form-section {
    padding: 80px 0;
}

.form-container {
    max-width: 700px;
    margin: 0 auto;
    background-color: white;
    padding: 50px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--gray-800);
}

.form-group label .required {
    color: #e74c3c;
}

.form-control {
    width: 100%;
    padding: 14px 18px;
    font-size: 1rem;
    border: 2px solid var(--gray-200);
    border-radius: var(--border-radius);
    transition: var(--transition);
    font-family: inherit;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(57, 209, 255, 0.15);
}

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

.form-check {
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.form-check input[type="checkbox"] {
    width: 20px;
    height: 20px;
    margin-top: 3px;
    accent-color: var(--primary);
}

.form-check label {
    margin-bottom: 0;
    font-weight: 400;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.form-check a {
    color: var(--primary);
}

.form-check a:hover {
    text-decoration: underline;
}

.form-submit {
    margin-top: 30px;
}

.form-submit .btn {
    width: 100%;
}

.form-info {
    margin-top: 30px;
    padding: 20px;
    background-color: rgba(57, 209, 255, 0.1);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--primary);
}

.form-info h4 {
    color: var(--primary);
    margin-bottom: 10px;
}

.form-info p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin: 0;
}

/* Legal Pages */
.legal-content {
    padding: 80px 0;
}

.legal-content .container {
    max-width: 900px;
}

.legal-content h2 {
    color: var(--gray-900);
    margin-top: 40px;
    margin-bottom: 20px;
    font-size: 1.5rem;
}

.legal-content h2:first-child {
    margin-top: 0;
}

.legal-content h3 {
    color: var(--gray-800);
    margin-top: 30px;
    margin-bottom: 15px;
    font-size: 1.2rem;
}

.legal-content p {
    color: var(--text-muted);
    margin-bottom: 15px;
}

.legal-content ul {
    margin-bottom: 20px;
    padding-left: 25px;
}

.legal-content ul li {
    color: var(--text-muted);
    margin-bottom: 8px;
    list-style: disc;
}

.legal-content a {
    color: var(--primary);
}

.legal-content a:hover {
    text-decoration: underline;
}

.company-info {
    background-color: white;
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    margin-bottom: 30px;
}

.company-info p {
    margin-bottom: 8px;
}

.company-info strong {
    color: var(--gray-800);
}

/* Utilities */
.text-center { text-align: center; }
.mt-4 { margin-top: 2rem; }
.mb-4 { margin-bottom: 2rem; }

/* Comparison Table */
.comparison-table-wrapper {
    overflow-x: auto;
    margin-top: 30px;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    background-color: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.comparison-table th,
.comparison-table td {
    padding: 16px 20px;
    text-align: left;
    border-bottom: 1px solid var(--gray-200);
}

.comparison-table th {
    background-color: var(--background-dark);
    color: var(--text-light);
    font-weight: 500;
}

.comparison-table th:first-child {
    background-color: var(--background-darker);
}

.comparison-table td:first-child {
    font-weight: 500;
    color: var(--gray-800);
    background-color: var(--gray-100);
}

.comparison-table tbody tr:hover {
    background-color: rgba(57, 209, 255, 0.05);
}

.comparison-table td[colspan="2"] {
    text-align: center;
    color: var(--primary);
    font-weight: 500;
}

/* Form Row */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

@media (max-width: 576px) {
    .form-row {
        grid-template-columns: 1fr;
    }
}

/* Checkbox Group */
.checkbox-group {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 12px;
}

.checkbox-group .form-check {
    background-color: var(--gray-100);
    padding: 12px 15px;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.checkbox-group .form-check:hover {
    background-color: rgba(57, 209, 255, 0.1);
}

/* Select styling */
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='%236c757d' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 15px center;
    padding-right: 40px;
    cursor: pointer;
}

/* ===================================
   Image Carousel
   =================================== */
.product-carousel {
    position: relative;
    background: linear-gradient(135deg, var(--background-dark) 0%, var(--background-darker) 100%);
    border-radius: var(--border-radius-lg);
    padding: 30px;
    border: 2px solid var(--primary);
    box-shadow: 0 0 40px rgba(57, 209, 255, 0.2);
    overflow: hidden;
}

.carousel-container {
    position: relative;
    width: 100%;
    aspect-ratio: 4/3;
    display: flex;
    align-items: center;
    justify-content: center;
}

.carousel-slides {
    position: relative;
    width: 100%;
    height: 100%;
}

.carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.5s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.carousel-slide.active {
    opacity: 1;
}

.carousel-slide img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: var(--border-radius);
}

/* Carousel Navigation Arrows */
.carousel-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    background-color: rgba(57, 209, 255, 0.2);
    border: 2px solid var(--primary);
    border-radius: 50%;
    color: var(--primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    z-index: 10;
}

.carousel-nav:hover {
    background-color: var(--primary);
    color: var(--background-dark);
}

.carousel-nav.prev {
    left: 10px;
}

.carousel-nav.next {
    right: 10px;
}

.carousel-nav svg {
    width: 20px;
    height: 20px;
}

/* Carousel Dots/Indicators */
.carousel-dots {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 20px;
}

.carousel-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: rgba(57, 209, 255, 0.3);
    border: 2px solid var(--primary);
    cursor: pointer;
    transition: var(--transition);
}

.carousel-dot:hover {
    background-color: rgba(57, 209, 255, 0.5);
}

.carousel-dot.active {
    background-color: var(--primary);
}

/* Carousel Thumbnails */
.carousel-thumbnails {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 15px;
    flex-wrap: wrap;
}

.carousel-thumb {
    width: 60px;
    height: 60px;
    border-radius: var(--border-radius);
    background-color: rgba(255, 255, 255, 0.1);
    border: 2px solid transparent;
    cursor: pointer;
    overflow: hidden;
    transition: var(--transition);
    padding: 5px;
}

.carousel-thumb:hover {
    border-color: rgba(57, 209, 255, 0.5);
}

.carousel-thumb.active {
    border-color: var(--primary);
    background-color: rgba(57, 209, 255, 0.2);
}

.carousel-thumb img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

/* Color variant labels */
.carousel-label {
    position: absolute;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
    background-color: rgba(0, 0, 0, 0.7);
    color: var(--text-light);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

@media (max-width: 768px) {
    .carousel-nav {
        width: 36px;
        height: 36px;
    }

    .carousel-nav svg {
        width: 16px;
        height: 16px;
    }

    .carousel-thumb {
        width: 50px;
        height: 50px;
    }

    .product-carousel {
        padding: 20px;
    }
}

/* ===================================
   Theme Toggle & Language Selector
   =================================== */

.nav-controls {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-left: 20px;
}

/* Theme Toggle */
.theme-toggle {
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    color: var(--text-light);
}

.theme-toggle:hover {
    background-color: rgba(57, 209, 255, 0.2);
    color: var(--primary);
}

.theme-toggle svg {
    width: 22px;
    height: 22px;
}

.theme-toggle .icon-sun {
    display: none;
}

.theme-toggle .icon-moon {
    display: block;
}

[data-theme="dark"] .theme-toggle .icon-sun {
    display: block;
}

[data-theme="dark"] .theme-toggle .icon-moon {
    display: none;
}

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

.language-btn {
    background: none;
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: var(--text-light);
    padding: 6px 12px;
    border-radius: var(--border-radius);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.875rem;
    font-weight: 500;
    transition: var(--transition);
}

.language-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.language-btn svg {
    width: 14px;
    height: 14px;
    transition: transform 0.2s ease;
}

.language-selector.active .language-btn svg {
    transform: rotate(180deg);
}

.language-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background-color: var(--bg-card);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    min-width: 140px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.2s ease;
    z-index: 1001;
    overflow: hidden;
}

.language-selector.active .language-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.language-option {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition);
    border: none;
    background: none;
    width: 100%;
    text-align: left;
    font-size: 0.9rem;
}

.language-option:hover {
    background-color: rgba(57, 209, 255, 0.1);
    color: var(--primary);
}

.language-option.active {
    background-color: rgba(57, 209, 255, 0.15);
    color: var(--primary);
    font-weight: 500;
}

.language-option .flag {
    font-size: 1.2rem;
}

/* Dark Theme Adjustments */
[data-theme="dark"] .feature-card,
[data-theme="dark"] .spec-item {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
}

/* Dark Theme Text Visibility Fixes */
[data-theme="dark"] .feature-card h3 {
    color: var(--text-primary);
}

[data-theme="dark"] .product-line h3 {
    color: var(--text-primary);
}

[data-theme="dark"] .product-info h2 {
    color: var(--text-primary);
}

[data-theme="dark"] .page-header h1,
[data-theme="dark"] .page-header p {
    color: var(--text-light);
}

[data-theme="dark"] .features h2,
[data-theme="dark"] .products-overview h2,
[data-theme="dark"] .product-section h2,
[data-theme="dark"] h2 {
    color: var(--text-primary);
}

[data-theme="dark"] h1,
[data-theme="dark"] h3,
[data-theme="dark"] h4 {
    color: var(--text-primary);
}

/* Ensure white text on dark gradient backgrounds */
[data-theme="dark"] .page-header h1,
[data-theme="dark"] .page-header h1 .highlight {
    color: var(--text-light);
}

[data-theme="dark"] .page-header h1 .highlight {
    color: var(--primary);
}

[data-theme="dark"] .product-line {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
}

[data-theme="dark"] .product-line.featured {
    background: linear-gradient(180deg, var(--bg-card) 0%, rgba(57, 209, 255, 0.08) 100%);
}

[data-theme="dark"] .product-features li {
    color: var(--text-secondary);
}

[data-theme="dark"] .spec-item p {
    color: var(--text-primary);
}

[data-theme="dark"] .legal-content h2,
[data-theme="dark"] .legal-content h3 {
    color: var(--text-primary);
}

[data-theme="dark"] .form-container {
    background-color: var(--bg-card);
}

[data-theme="dark"] .form-group label {
    color: var(--text-primary);
}

[data-theme="dark"] .comparison-table td:first-child {
    background-color: var(--gray-200);
    color: var(--text-primary);
}

[data-theme="dark"] .comparison-table {
    background-color: var(--bg-card);
}

[data-theme="dark"] .checkbox-group .form-check {
    background-color: var(--gray-200);
}

[data-theme="dark"] .features {
    background-color: var(--gray-100);
}

[data-theme="dark"] .product-section:nth-child(even) {
    background-color: var(--gray-100);
}

[data-theme="dark"] .footer-brand p {
    color: var(--text-primary);
}

[data-theme="dark"] .legal-content {
    background-color: var(--bg-body);
}

[data-theme="dark"] .company-info {
    background-color: var(--bg-card);
    border-color: var(--border-color);
}

[data-theme="dark"] .form-group input,
[data-theme="dark"] .form-group select,
[data-theme="dark"] .form-group textarea {
    background-color: var(--bg-input);
    border-color: var(--border-color);
    color: var(--text-primary);
}

[data-theme="dark"] .form-group input:focus,
[data-theme="dark"] .form-group select:focus,
[data-theme="dark"] .form-group textarea:focus {
    background-color: var(--bg-input-focus);
}

[data-theme="dark"] .hero h1 {
    color: var(--text-primary);
}

[data-theme="dark"] .language-btn {
    border-color: rgba(255, 255, 255, 0.2);
}

/* Mobile Navigation Controls */
@media (max-width: 768px) {
    .nav-controls {
        position: absolute;
        right: 60px;
        top: 50%;
        transform: translateY(-50%);
        gap: 10px;
        margin-left: 0;
    }

    .language-btn span {
        display: none;
    }

    .language-btn {
        padding: 8px;
    }

    .language-dropdown {
        right: -20px;
    }
}