/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #3b82f6;
    --primary-dark: #2563eb;
    --primary-light: #60a5fa;
    --accent-color: #00B0F0;
    --accent-dark: #0099d4;
    --secondary-color: #64748b;
    --text-dark: #0f172a;
    --text-light: #475569;
    --bg-light: #f1f5f9;
    --bg-white: #ffffff;
    --bg-gradient-start: #3b82f6;
    --bg-gradient-end: #00B0F0;
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -1px rgb(0 0 0 / 0.06);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -2px rgb(0 0 0 / 0.05);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 10px 10px -5px rgb(0 0 0 / 0.04);
    --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* Navigation */
.navbar {
    background: var(--bg-white);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.nav-logo {
    height: 40px;
    width: auto;
    display: block;
}

.brand-text {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.nav-brand h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin: 0;
    line-height: 1.2;
}

.brand-subtitle {
    font-size: 0.875rem;
    color: var(--text-light);
    line-height: 1.2;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.2s;
}

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

.btn-primary {
    background: var(--primary-color);
    color: white;
    padding: 0.5rem 1.25rem;
    border-radius: 0.5rem;
    text-decoration: none;
    font-weight: 500;
    transition: background 0.2s, transform 0.1s;
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #3b82f6 0%, #00B0F0 50%, #60a5fa 100%);
    background-size: 200% 200%;
    animation: gradientShift 15s ease infinite;
    padding: 5rem 0;
    min-height: 650px;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(255,255,255,0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(255,255,255,0.1) 0%, transparent 50%);
    pointer-events: none;
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-title {
    color: white;
    text-shadow: 0 2px 10px rgba(0,0,0,0.2);
}

.hero-subtitle {
    color: rgba(255,255,255,0.95);
    text-shadow: 0 1px 5px rgba(0,0,0,0.1);
}

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

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.hero-badges {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.badge {
    background: rgba(255,255,255,0.2);
    backdrop-filter: blur(10px);
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: white;
    border: 1px solid rgba(255,255,255,0.3);
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

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

.btn {
    padding: 0.875rem 2rem;
    border-radius: 0.5rem;
    text-decoration: none;
    font-weight: 600;
    display: inline-block;
    transition: all 0.2s;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-large {
    padding: 1rem 2.5rem;
    font-size: 1.125rem;
}

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

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

.btn-secondary {
    background: rgba(255,255,255,0.2);
    backdrop-filter: blur(10px);
    color: white;
    border: 2px solid rgba(255,255,255,0.5);
}

.btn-secondary:hover {
    background: rgba(255,255,255,0.3);
    border-color: rgba(255,255,255,0.7);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-product-image {
    width: 100%;
    max-width: 600px;
    height: auto;
    border-radius: 1rem;
    box-shadow: var(--shadow-xl);
    object-fit: contain;
}

.product-placeholder {
    background: var(--bg-white);
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: var(--shadow-xl);
    width: 100%;
    max-width: 400px;
}

.image-caption {
    text-align: center;
    color: var(--text-light);
    margin-top: 1rem;
    font-size: 0.875rem;
}

/* Section Styles */
section {
    padding: 5rem 0;
}

.section-title {
    font-size: 3rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 1rem;
    color: var(--text-dark);
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.125rem;
    text-align: center;
    color: var(--text-light);
    margin-bottom: 3rem;
}

/* Product Gallery Section */
.product-gallery {
    background: var(--bg-white);
    padding: 5rem 0;
}

.product-description {
    font-size: 1.5rem;
    text-align: center;
    color: var(--text-dark);
    font-weight: 600;
    margin: 2rem auto 3rem;
    max-width: 900px;
    line-height: 1.6;
}

.product-highlights {
    max-width: 900px;
    margin: 4rem auto 0;
    padding-top: 3rem;
}

.highlights-list {
    list-style: none;
    padding: 0;
    display: grid;
    gap: 1.25rem;
}

.highlights-list li {
    padding: 1.25rem 1.75rem;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    border-radius: 0.75rem;
    border-left: 4px solid var(--accent-color);
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
    color: var(--text-dark);
    line-height: 1.7;
    font-size: 1.05rem;
}

.highlights-list li:hover {
    transform: translateX(6px);
    box-shadow: var(--shadow-md);
    border-left-width: 6px;
    background: linear-gradient(135deg, #e0f2fe 0%, #bae6fd 100%);
}

.highlights-list li strong {
    color: var(--primary-color);
    font-weight: 700;
    display: inline-block;
    margin-right: 0.5rem;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

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

.gallery-image {
    width: 100%;
    max-width: 100%;
    height: auto;
    border-radius: 1rem;
    box-shadow: var(--shadow-lg);
    margin-bottom: 1.5rem;
    transition: transform 0.3s, box-shadow 0.3s;
    object-fit: contain;
    background: var(--bg-light);
    padding: 1rem;
}

.gallery-image:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.gallery-item h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
    font-weight: 600;
}

.gallery-item p {
    color: var(--text-light);
    line-height: 1.6;
}

/* Key Advantages Section */
.key-advantages {
    background: var(--bg-light);
    padding: 5rem 0;
}

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

@media (max-width: 768px) {
    .advantages-grid {
        grid-template-columns: 1fr;
    }
}

.advantage-card {
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    padding: 3rem;
    border-radius: 1.5rem;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.advantage-card::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 176, 240, 0.15) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.advantage-card:hover::after {
    opacity: 1;
}

.advantage-card:hover {
    transform: translateY(-6px) scale(1.02);
    box-shadow: var(--shadow-2xl);
    border-color: var(--primary-light);
}

.advantage-image {
    width: 100%;
    max-width: 500px;
    height: auto;
    margin: 0 auto 2rem;
    display: block;
    filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.1));
    transition: transform 0.3s ease;
}

.advantage-card:hover .advantage-image {
    transform: scale(1.05);
}

.advantage-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
    font-weight: 600;
}

.advantage-card p {
    color: var(--text-light);
    line-height: 1.7;
}

/* Code Examples Section */
.code-examples {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: white;
    padding: 5rem 0;
}

.code-examples .section-title {
    color: white;
    background: linear-gradient(135deg, #ffffff, #00B0F0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.code-examples .section-subtitle {
    color: rgba(255, 255, 255, 0.8);
}

.examples-grid {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
    margin-top: 3rem;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.example-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 1rem;
    padding: 2.5rem;
    transition: transform 0.3s, background 0.3s, border-color 0.3s;
    width: 100%;
}

.example-card:hover {
    transform: translateY(-4px);
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: var(--shadow-xl);
}

.example-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: white;
    font-weight: 600;
}

.example-card pre {
    background: #0a0e27;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 0.5rem;
    padding: 1.5rem;
    overflow-x: auto;
    margin: 0;
}

.example-card code {
    font-family: 'Courier New', 'Monaco', 'Menlo', monospace;
    font-size: 0.875rem;
    line-height: 1.6;
    color: #00B0F0;
    display: block;
}

.example-card code::before {
    content: '';
}

/* Tested Devices Section */
.tested-devices {
    background: var(--bg-white);
    padding: 5rem 0;
}

.devices-container {
    max-width: 1000px;
    margin: 3rem auto 0;
}

.devices-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-bottom: 2rem;
}

.devices-row:last-child {
    margin-bottom: 0;
}

@media (max-width: 768px) {
    .devices-row {
        grid-template-columns: 1fr;
    }
}

.device-category {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    padding: 2rem;
    border-radius: 1rem;
    border: 1px solid var(--border-color);
    transition: transform 0.2s, box-shadow 0.2s;
    display: flex;
    flex-direction: column;
}

.device-category:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.device-category h3 {
    font-size: 1.5rem;
    margin: 0 0 1.5rem 0;
    color: var(--primary-color);
    font-weight: 700;
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 0.75rem;
    line-height: 1.2;
}

.device-category ul {
    list-style: none;
    padding: 0;
}

.device-category ul li {
    padding: 0.75rem 0;
    color: var(--text-dark);
    border-bottom: 1px solid rgba(0,0,0,0.05);
    font-weight: 500;
    position: relative;
    padding-left: 1.5rem;
}

.device-category ul li:last-child {
    border-bottom: none;
}

.device-category ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.devices-note {
    margin-top: 3rem;
    padding: 2rem;
    background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
    border-radius: 1rem;
    border-left: 4px solid var(--primary-color);
}

.devices-note p {
    color: var(--text-dark);
    line-height: 1.8;
    margin: 0;
}

.devices-note strong {
    color: var(--primary-dark);
}

/* Features Section */
.features {
    background: var(--bg-white);
}

.features-list-container {
    max-width: 900px;
    margin: 3rem auto 0;
}

.features-list {
    list-style: none;
    padding: 0;
    display: grid;
    gap: 1.5rem;
}

.features-list li {
    padding: 1.5rem 2rem;
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    border-radius: 0.75rem;
    border-left: 4px solid var(--accent-color);
    transition: all 0.3s ease;
    position: relative;
    box-shadow: var(--shadow-sm);
}

.features-list li:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-md);
    border-left-width: 6px;
    background: linear-gradient(135deg, #ffffff 0%, #f0f9ff 100%);
}

.features-list li strong {
    color: var(--primary-color);
    font-weight: 700;
    font-size: 1.1em;
    display: inline-block;
    margin-right: 0.5rem;
}

.features-list li {
    color: var(--text-dark);
    line-height: 1.8;
    font-size: 1.05rem;
}


/* German Engineering Section */
.german-engineering {
    background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
    color: white;
}

.engineering-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.engineering-text h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: white;
}

.engineering-intro {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.8;
    margin-bottom: 3rem;
}

.engineering-highlights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    text-align: left;
}

.highlight-item {
    background: rgba(255, 255, 255, 0.1);
    padding: 2rem;
    border-radius: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: transform 0.2s, background 0.2s;
}

.highlight-item:hover {
    transform: translateY(-4px);
    background: rgba(255, 255, 255, 0.15);
}

.highlight-item strong {
    display: block;
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: white;
}

.highlight-item p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.7;
}

/* Engineering Section */
.engineering {
    background: var(--bg-white);
}

.specs-tables-container {
    max-width: 1000px;
    margin: 3rem auto 0;
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.specs-table-wrapper {
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
}

.specs-table-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--accent-color);
}

.specs-table {
    width: 100%;
    border-collapse: collapse;
}

.specs-table tbody tr {
    border-bottom: 1px solid var(--border-color);
    transition: background 0.2s ease;
}

.specs-table tbody tr:hover {
    background: rgba(0, 176, 240, 0.05);
}

.specs-table tbody tr:last-child {
    border-bottom: none;
}

.spec-attribute {
    padding: 1rem 1.5rem;
    font-weight: 600;
    color: var(--text-dark);
    width: 40%;
    vertical-align: top;
    border-right: 1px solid var(--border-color);
}

.spec-value {
    padding: 1rem 1.5rem;
    color: var(--text-light);
    line-height: 1.6;
    vertical-align: top;
}

@media (max-width: 768px) {
    .specs-tables-container {
        max-width: 100%;
    }
    
    .spec-attribute {
        width: 35%;
        padding: 0.75rem 1rem;
        font-size: 0.9rem;
    }
    
    .spec-value {
        padding: 0.75rem 1rem;
        font-size: 0.9rem;
    }
}

/* Purchase Section */
.purchase {
    background: linear-gradient(135deg, #3b82f6 0%, #00B0F0 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.purchase::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 50%, rgba(255,255,255,0.1) 0%, transparent 50%);
    pointer-events: none;
}

.purchase .section-title {
    color: white;
    background: linear-gradient(135deg, #ffffff, #fbbf24);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    z-index: 1;
}

.purchase .section-subtitle {
    color: rgba(255,255,255,0.9);
    position: relative;
    z-index: 1;
}

.purchase .section-subtitle {
    color: rgba(255,255,255,0.9);
}

.purchase-options {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
    max-width: 900px;
    margin: 3rem auto 0;
    align-items: stretch;
}

@media (max-width: 768px) {
    .purchase-options {
        grid-template-columns: 1fr;
    }
}

.purchase-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 2.5rem;
    border-radius: 1rem;
    text-align: center;
    box-shadow: var(--shadow-2xl);
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.3);
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 100%;
}

.purchase-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 25px 50px -12px rgb(0 0 0 / 0.25);
}

.retailer-logo-wrapper {
    margin-bottom: 1.5rem;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 80px;
}

.retailer-logo-img {
    max-width: 180px;
    max-height: 60px;
    width: auto;
    height: auto;
    object-fit: contain;
}

.retailer-logo {
    font-size: 2rem;
    font-weight: 700;
    padding: 1rem;
    border-radius: 0.5rem;
}

.retailer-logo.amazon {
    background: #ff9900;
    color: white;
}

.retailer-logo.digikey {
    background: #cc0000;
    color: white;
}

.purchase-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.purchase-card p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.purchase-card .note {
    font-size: 0.75rem;
    color: var(--text-light);
    margin-top: 1rem;
    font-style: italic;
}

/* Testimonials Section */
.testimonials {
    background: var(--bg-light);
    padding: 5rem 0;
}

.testimonials-container {
    max-width: 1200px;
    margin: 3rem auto 0;
}

.testimonial-category {
    margin-bottom: 4rem;
}

.testimonial-category:last-child {
    margin-bottom: 0;
}

.testimonial-category-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 2rem;
    text-align: center;
    padding-bottom: 1rem;
    border-bottom: 3px solid var(--accent-color);
}

.testimonial-carousel-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.testimonial-carousel {
    flex: 1;
    overflow: hidden;
    position: relative;
}

.testimonials-track {
    display: flex;
    gap: 2rem;
    transition: transform 0.5s ease-in-out;
    will-change: transform;
}

.testimonial-card {
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    position: relative;
    display: flex;
    flex-direction: column;
    flex: 0 0 calc(50% - 1rem);
    min-width: 0;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: 1rem;
    left: 1.5rem;
    font-size: 4rem;
    font-weight: 700;
    color: var(--accent-color);
    opacity: 0.2;
    line-height: 1;
    font-family: Georgia, serif;
}

.testimonial-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-light);
    background: linear-gradient(135deg, #ffffff 0%, #f0f9ff 100%);
}

.testimonial-quote {
    position: relative;
    z-index: 1;
    padding-top: 1.5rem;
}

.testimonial-quote p {
    color: var(--text-dark);
    line-height: 1.8;
    font-size: 1.05rem;
    margin: 0;
    font-style: italic;
}

.carousel-btn {
    background: var(--primary-color);
    color: white;
    border: none;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    font-size: 2rem;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    flex-shrink: 0;
    box-shadow: var(--shadow-md);
    z-index: 2;
}

.carousel-btn:hover {
    background: var(--primary-dark);
    transform: scale(1.1);
    box-shadow: var(--shadow-lg);
}

.carousel-btn:active {
    transform: scale(0.95);
}

.carousel-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none;
}

.carousel-btn:disabled:hover {
    background: var(--primary-color);
    transform: none;
    box-shadow: var(--shadow-md);
}

@media (max-width: 768px) {
    .testimonial-card {
        flex: 0 0 100%;
    }
    
    .testimonial-category-title {
        font-size: 1.5rem;
    }
    
    .carousel-btn {
        width: 40px;
        height: 40px;
        font-size: 1.5rem;
    }
    
    .testimonial-carousel-wrapper {
        gap: 0.5rem;
    }
}

/* Resources Section */
.resources {
    background: var(--bg-white);
}

.resources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.resource-card {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: 1rem;
    text-decoration: none;
    color: inherit;
    display: block;
    transition: transform 0.2s, box-shadow 0.2s;
    border: 1px solid var(--border-color);
}

.resource-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    text-decoration: none;
}

.resource-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.resource-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.resource-card p {
    color: var(--text-light);
    margin-bottom: 1rem;
    line-height: 1.7;
}

.resource-link {
    color: var(--primary-color);
    font-weight: 600;
    display: inline-block;
}

.resource-card:hover .resource-link {
    text-decoration: underline;
}

/* Support Section */
.support {
    background: var(--bg-light);
}

.support-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.support-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

.support-content > p {
    font-size: 1.125rem;
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 2rem;
}

.support-values {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
    margin-top: 2rem;
}

.value-item {
    padding: 1rem 2rem;
    background: var(--bg-white);
    border-radius: 0.5rem;
    box-shadow: var(--shadow-sm);
}

.value-item strong {
    color: var(--primary-color);
    font-size: 1.125rem;
}

/* Footer */
.footer {
    background: var(--text-dark);
    color: white;
    padding: 3rem 0 1.5rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    color: white;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.2s;
}

.footer-section ul li a:hover {
    color: white;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1.5rem;
    text-align: center;
    color: rgba(255, 255, 255, 0.7);
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
}

.footer-bottom a:hover {
    color: white;
    text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        gap: 1rem;
        font-size: 0.875rem;
    }
    
    .nav-links .btn-primary {
        padding: 0.4rem 1rem;
        font-size: 0.875rem;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .features-grid,
    .resources-grid,
    .advantages-grid,
    .gallery-grid,
    .examples-grid,
    .devices-row {
        grid-template-columns: 1fr;
    }
    
    .specs-tables-container {
        grid-template-columns: 1fr;
    }
    
    .purchase-options {
        grid-template-columns: 1fr;
    }
    
    .support-values {
        flex-direction: column;
        gap: 1rem;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .btn-large {
        width: 100%;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .nav-logo {
        height: 32px;
    }
    
    .nav-brand h1 {
        font-size: 1.25rem;
    }
    
    .brand-subtitle {
        display: none;
    }
    
    .hero {
        padding: 2rem 0;
        min-height: auto;
    }
    
    section {
        padding: 3rem 0;
    }
}