/* CSS Variables */
:root {
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --accent-color: #0ea5e9;
    --success-color: #10b981;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-light: #9ca3af;
    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-dark: #111827;
    --border-color: #e5e7eb;
    --border-radius: 8px;
    --border-radius-lg: 12px;
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    font-size: var(--font-size-base);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo {
    height: 50px;
    width: auto;
    border-radius: 12px;
    padding: 8px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
    margin: 0;
}

.nav-link {
    font-weight: 500;
    color: var(--text-primary);
    text-decoration: none;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius);
    transition: all 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
    background: rgba(37, 99, 235, 0.1);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    overflow: hidden;
}

.marine-hero {
    background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 50%, #0ea5e9 100%);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><defs><radialGradient id="a" cx="50%" cy="50%"><stop offset="0%" style="stop-color:rgba(255,255,255,0.1)"/><stop offset="100%" style="stop-color:rgba(255,255,255,0)"/></radialGradient></defs><circle cx="200" cy="200" r="100" fill="url(%23a)"/><circle cx="800" cy="400" r="150" fill="url(%23a)"/><circle cx="400" cy="800" r="120" fill="url(%23a)"/></svg>');
    background-size: cover;
    animation: float 20s ease-in-out infinite;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 600px;
}

.hero-title {
    font-size: var(--font-size-5xl);
    font-weight: 800;
    margin-bottom: var(--spacing-lg);
    line-height: 1.2;
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    opacity: 0.9;
}

.hero-description {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-2xl);
    opacity: 0.8;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-base);
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--border-radius);
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    gap: var(--spacing-sm);
}

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

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

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

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

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

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

.btn-download {
    background: var(--success-color);
    color: white;
    padding: var(--spacing-sm) var(--spacing-lg);
}

.btn-download:hover {
    background: #0d9488;
}

.btn-full {
    width: 100%;
}

/* Sections */
.section-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.section-description {
    font-size: var(--font-size-base);
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* Solutions Section */
.solutions-section {
    padding: var(--spacing-2xl) 0;
    background: var(--bg-secondary);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.benefit-card {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: all 0.3s ease;
}

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

.benefit-icon {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-lg);
}

.benefit-card h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.benefit-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.company-story-section {
    padding: var(--spacing-2xl);
    background: #f8fafc;
    border-radius: 20px;
    margin: var(--spacing-2xl) 0;
    position: relative;
    border: 1px solid #e2e8f0;
}

.company-story-container {
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 4px 24px 0 rgba(0,0,0,0.10), 0 1.5px 6px 0 rgba(0,0,0,0.08);
    border: 1px solid #e5e7eb;
    padding: 32px 24px;
    margin-top: 32px;
    margin-bottom: 32px;
}

.company-story-section h3 {
    text-align: center;
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 3rem;
    animation: fadeInDown 1s ease-out;
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.story-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    max-width: 1400px;
    margin: 0 auto;
}

.story-text {
    max-width: 800px;
    margin: 0 auto;
    padding: 1.5rem;
}

.story-text h4 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 1rem;
    margin-top: 2rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.story-text h4:first-child {
    margin-top: 0;
}

.story-text p {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    text-align: left;
}

@media (max-width: 1200px) {
    .story-content {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.2rem;
    }
}

@media (max-width: 768px) {
    .story-content {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
}

.story-item {
    background: white;
    padding: 1.5rem;
    border-radius: 15px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    border: 1px solid #e2e8f0;
    border-left: 5px solid #f59e0b;
    transition: all 0.3s ease;
    animation: fadeInUp 1s ease-out;
    animation-fill-mode: both;
    position: relative;
}

.story-item:nth-child(1) { animation-delay: 0.1s; }
.story-item:nth-child(2) { animation-delay: 0.2s; }
.story-item:nth-child(3) { animation-delay: 0.3s; }
.story-item:nth-child(4) { animation-delay: 0.4s; }

.story-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #f59e0b 0%, #f97316 100%);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.story-item:hover::before {
    transform: scaleX(1);
}

.story-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
    border-left-color: #f97316;
}

.story-item h4 {
    font-size: 0.85rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--success-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.6rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    line-height: 1.2;
}

.story-item p {
    font-size: 0.7rem;
    line-height: 1.4;
    color: var(--text-secondary);
    margin: 0;
    font-weight: 400;
}

/* Product Section */
.product-section {
    padding: var(--spacing-2xl) 0;
}

.product-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.product-description {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
}

.product-info p {
    margin-bottom: var(--spacing-lg);
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Victron Section */
.slider-section {
    padding: 4rem 0;
    background: var(--bg-secondary);
}

.victron-header-image {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.victron-header {
    height: 80px;
    width: 300px;
    object-fit: contain;
    transition: transform 0.2s ease;
}

.victron-header:hover {
    transform: scale(1.05);
}

/* Victron UN38 Logo */
.victron-un38-container {
    text-align: center;
    margin: 1rem 0;
}

.victron-un38-logo {
    height: 60px;
    width: auto;
    object-fit: contain;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.victron-un38-logo:hover {
    opacity: 1;
}

.victron-history-text {
    padding: 2rem 0;
    max-width: 800px;
    margin: 0 auto;
    text-align: left;
}

.victron-history-text .history-item {
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: rgba(37, 99, 235, 0.05);
    border-radius: var(--border-radius-lg);
    border-left: 4px solid #f59e0b;
}

.victron-history-text .history-item:last-child {
    margin-bottom: 0;
}

.victron-history-text h4 {
    color: var(--primary-color);
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
}

.victron-history-text h3 {
    color: var(--primary-color);
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    text-align: center;
}

.victron-history-text p {
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: 0;
    color: var(--text-primary);
}

/* Product Image Section */
.product-image-section {
    padding: 4rem 0;
    background: #f8fafc;
}

.product-image-center {
    text-align: center;
    padding: 2rem 0;
}

.product-logo-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    margin-bottom: 4rem;
}

.product-logo {
    height: 80px;
    width: 200px;
    object-fit: contain;
    transition: transform 0.2s ease;
}

.product-logo:hover {
    transform: scale(1.05);
}

.un38-logo {
    height: 60px;
    width: auto;
    object-fit: contain;
    transition: transform 0.2s ease;
}

.un38-logo:hover {
    transform: scale(1.05);
}

.product-image-container {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2rem;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    border: 1px solid #e2e8f0;
}

.product-showcase-image {
    width: 300px;
    height: 225px;
    object-fit: contain;
    border-radius: 8px;
    transition: transform 0.3s ease;
    margin: 0 auto;
    display: block;
}

.product-showcase-image:hover {
    transform: scale(1.02);
}

.product-description-text {
    max-width: 800px;
    margin: 2rem auto;
    padding: 1.5rem;
    text-align: left;
}

.product-description-text h4 {
    color: var(--primary-color);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    text-align: center;
}

.product-description-text p {
    font-size: 1.1rem;
    line-height: 1.6;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    font-weight: 400;
}

.battery-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1rem;
    margin: 1.5rem 0;
}

.feature-item {
    padding: 1rem;
    background: rgba(37, 99, 235, 0.05);
    border-radius: var(--border-radius);
    border-left: 3px solid var(--primary-color);
    font-size: 0.95rem;
    line-height: 1.5;
}

.conclusion-text {
    font-style: italic;
    text-align: center;
    color: var(--text-secondary);
    margin-top: 1.5rem;
    font-size: 1rem;
}

.product-bottom-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 2rem;
}

.bottom-logo-container {
    display: flex;
    align-items: center;
    justify-content: center;
}

.bottom-logo {
    height: 50px;
    width: auto;
    object-fit: contain;
    transition: transform 0.2s ease;
}

.bottom-logo:hover {
    transform: scale(1.05);
}

/* Features and Specs */
.features-specs-section {
    padding: var(--spacing-2xl) 0;
    background: var(--bg-secondary);
}

.specs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
}

.spec-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.spec-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.spec-icon {
    font-size: var(--font-size-xl);
    color: var(--primary-color);
    flex-shrink: 0;
}

.spec-item span:last-child {
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Enquiry Section */
.enquiry-section {
    padding: var(--spacing-2xl) 0;
    background: var(--bg-secondary);
}

.enquiry-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-2xl);
}

.enquiry-form {
    background: white;
    padding: var(--spacing-2xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
}

.enquiry-form h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.enquiry-form p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.form-group label {
    font-weight: 500;
    color: var(--text-primary);
}

.form-group input,
.form-group textarea {
    padding: var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: var(--font-size-base);
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.file-label {
    border: 2px dashed var(--border-color);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.file-label:hover {
    border-color: var(--primary-color);
    background: rgba(37, 99, 235, 0.05);
}

.file-input {
    display: none;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.contact-office {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
}

.contact-office h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.contact-office p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Related Solutions */
.related-solutions {
    padding: var(--spacing-2xl) 0;
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.solution-card {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: all 0.3s ease;
}

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

.solution-icon {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-lg);
}

.solution-card h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.solution-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
}

/* Footer */
.footer {
    background: var(--bg-dark);
    color: white;
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-brand {
    margin-bottom: var(--spacing-md);
}

.footer-logo {
    height: 32px;
    width: auto;
    filter: brightness(0) invert(1);
}

.footer-section h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
}

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

.footer-section ul li {
    margin-bottom: var(--spacing-sm);
}

.footer-section ul li a {
    color: #d1d5db;
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer-links {
    display: flex;
    gap: var(--spacing-lg);
}

.footer-links a {
    color: #d1d5db;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: white;
}

/* Animations */
@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

/* Battery Capacity Chart Styles - Flat Design */
.configurations-section {
    background: #f8fafc;
    padding: 4rem 0;
}

.configurations-section .section-title {
    color: var(--text-primary);
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.configurations-section .section-description {
    color: var(--text-secondary);
    font-size: 1.2rem;
    margin-bottom: 3rem;
    line-height: 1.6;
}

.capacity-chart {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    margin-top: 2rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    border: 1px solid #e2e8f0;
}

.chart-header {
    margin-bottom: 2rem;
}

.chart-labels {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    font-size: 1rem;
}

.capacity-label, .battery-count-label {
    color: var(--primary-color);
    padding: 0.5rem 1rem;
    background: #f1f5f9;
    border-radius: 8px;
    border: 1px solid #e2e8f0;
}

.chart-container {
    display: flex;
    align-items: flex-end;
    gap: 1rem;
    position: relative;
}

.chart-grid {
    flex: 1;
    position: relative;
}

.battery-visualization {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    min-height: 300px;
    justify-content: space-between;
}

.battery-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem;
    background: #f8fafc;
    border-radius: 8px;
    border: 1px solid #e2e8f0;
    transition: all 0.2s ease;
    flex-wrap: wrap;
}

.battery-row:hover {
    background: #f1f5f9;
    border-color: var(--primary-color);
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.1);
}

.battery-icon {
    width: 40px;
    height: 40px;
    object-fit: contain;
    transition: transform 0.2s ease;
}

.battery-row:hover .battery-icon {
    transform: scale(1.05);
}

.capacity-text {
    margin-left: auto;
    font-weight: 700;
    color: var(--primary-color);
    font-size: 1.1rem;
}

.configuration-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid #e2e8f0;
}

.info-item {
    padding: 1.5rem;
    background: white;
    border-radius: 8px;
    border: 1px solid #e2e8f0;
    border-left: 4px solid var(--primary-color);
    font-size: 0.95rem;
    line-height: 1.6;
    transition: all 0.2s ease;
}

.info-item:hover {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transform: translateY(-1px);
}

.info-item strong {
    color: var(--primary-color);
    font-weight: 700;
}

/* Configuration Logos */
.configuration-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 3rem;
    padding: 2rem;
    background: #f8fafc;
    border-radius: 12px;
    border: 1px solid #e2e8f0;
}

.logo-container {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    border: 1px solid #e2e8f0;
    transition: all 0.2s ease;
}

.logo-container:hover {
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

.config-logo {
    height: 60px;
    width: auto;
    object-fit: contain;
    transition: transform 0.2s ease;
}

.config-logo:hover {
    transform: scale(1.05);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .product-content {
        grid-template-columns: 1fr;
    }
    
    .enquiry-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        display: none;
    }
    
    .hero-title {
        font-size: var(--font-size-4xl);
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
    }
    
    .specs-grid {
        grid-template-columns: 1fr;
    }
    
    .solutions-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .rack-heights {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .product-image-section {
        padding: 2rem 0;
    }
    
    .product-logo {
        height: 60px;
    }
    
    .un38-logo {
        height: 45px;
    }
    
    .product-logo-container {
        margin-bottom: 1.5rem;
        gap: 0.75rem;
    }
    
    .product-image-container {
        padding: 1rem;
        margin: 0 1rem;
    }
    
    .product-description-text {
        margin: 1.5rem auto;
        padding: 1rem;
    }
    
    .product-description-text p {
        font-size: 1rem;
    }
    
    .product-bottom-logos {
        flex-direction: column;
        gap: 1.5rem;
        margin-top: 1.5rem;
    }
    
    .bottom-logo {
        height: 40px;
    }
    
    .capacity-chart {
        padding: 1.5rem;
    }
    
    .configurations-section {
        padding: 3rem 0;
    }
    
    .configurations-section .section-title {
        font-size: 2rem;
    }
    
    .chart-container {
        flex-direction: column;
        align-items: stretch;
    }
    
    .battery-row {
        padding: 1rem;
        gap: 0.3rem;
    }
    
    .battery-icon {
        width: 32px;
        height: 32px;
    }
    
    .capacity-text {
        font-size: 1rem;
    }
    
    .configuration-info {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .configuration-logos {
        margin-top: 2rem;
        padding: 1.5rem;
    }
    
    .config-logo {
        height: 50px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .section-title {
        font-size: var(--font-size-2xl);
    }
    
    .battery-icon {
        width: 28px;
        height: 28px;
    }
    
    .capacity-text {
        font-size: 0.9rem;
    }
    
    .battery-row {
        padding: 0.75rem;
    }
    
    .info-item {
        padding: 1rem;
    }
    
    .configuration-logos {
        margin-top: 1.5rem;
        padding: 1rem;
    }
    
    .config-logo {
        height: 40px;
    }
}

/* Victron Section Container */
.victron-section-container {
    background: white;
    border: 1px solid #e2e8f0;
    border-radius: 20px;
    padding: 2rem;
    margin: 2rem 0;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* eBick Section Container */
.ebick-section-container {
    background: white;
    border: 2px solid #e2e8f0;
    border-radius: 20px;
    padding: 2rem;
    margin: 2rem 0;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* Cegasa Images Container */
.cegasa-images-container {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 1.5rem;
    flex-wrap: wrap;
}

.cegasa-small-image {
    width: 400px;
    height: 240px;
    object-fit: cover;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.cegasa-small-image:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}