/* General Body and Container Styles */
body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background-color: #f4f7f6; /* Light background */
    color: #333;
}

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

h1, h2, h3, h4 {
    color: #004085; /* Dark blue for headings */
    text-align: center;
    margin-bottom: 20px;
}

h1 {
    font-size: 2.8em;
    margin-top: 40px;
    line-height: 1.2;
}

h2 {
    font-size: 2.2em;
    margin-top: 50px;
    position: relative;
    padding-bottom: 15px; /* Increase space for underline */
    margin-bottom: 40px; /* More space after heading */
    display: inline-block; /* Keep inline-block for underline width */
    max-width: 100%;
}

h2::after { /* Pseudo-element for a custom underline */
    content: '';
    position: absolute;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
    width: 80px; /* Fixed width for a subtle underline */
    height: 4px; /* Thicker underline */
    background-color: #007bff; /* Primary brand color */
    border-radius: 2px; /* Soften the ends of the line */
}


p {
    margin-bottom: 15px;
}

.cta-button {
    display: block;
    width: fit-content;
    margin: 30px auto;
    background-color: #007bff;
    color: white;
    padding: 15px 30px;
    border-radius: 5px;
    text-decoration: none;
    font-size: 1.1em;
    font-weight: bold;
    transition: background-color 0.3s ease, transform 0.2s ease;
    box-shadow: 0 4px 10px rgba(0,0,0,0.2); /* Add shadow to CTA */
}

.cta-button:hover {
    background-color: #0056b3;
    transform: translateY(-2px); /* Lift on hover */
}

/* --- Header Styles (Major Refinement) --- */
.main-header {
    background-color: #ffffff;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1); /* Slightly stronger shadow for header */
    padding: 0; /* Remove top/bottom padding here */
    position: sticky; /* Make header sticky */
    top: 0;
    z-index: 1000; /* Ensure it stays on top */
}

.top-bar {
    background-color: #f0f0f0; /* Light grey top bar */
    padding: 8px 0; /* Vertical padding */
    font-size: 0.9em;
    border-bottom: 1px solid #e0e0e0;
}

.top-bar-content {
    display: flex;
    justify-content: flex-end; /* Align to the right */
    align-items: center;
    gap: 15px; /* Space between email and phone */
    padding: 0 20px; /* Horizontal padding */
}

.top-bar-content a {
    color: #555; /* Darker grey for contact links */
    text-decoration: none;
    transition: color 0.2s ease;
}

.top-bar-content a:hover {
    color: #007bff;
}


/* Mobile Header */
.mobile-header {
    display: none; /* Default hidden, shown by media query */
    padding: 10px 20px;
    align-items: center;
    justify-content: space-between;
}

.mobile-header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.mobile-logo {
    max-height: 40px;
    width: auto;
}

.mobile-download-button {
    background-color: #28a745;
    color: white;
    padding: 8px 12px;
    border-radius: 5px;
    text-decoration: none;
    font-size: 0.9em;
    white-space: nowrap;
}

.mobile-menu-toggle {
    background: none;
    border: none;
    font-size: 1.8em;
    color: #004085;
    cursor: pointer;
    padding: 5px;
    margin-left: 15px;
    /* This ensures the hamburger icon is visible and clickable on mobile */
    display: block; 
}

.mobile-navigation {
    display: none; /* Hidden by default for animation */
    width: 100%;
    max-height: 0; /* Starts collapsed */
    overflow: hidden; /* Hides content outside max-height */
    transition: max-height 0.3s ease-out, opacity 0.3s ease-out; /* Smooth collapse/expand */
    opacity: 0; /* For fade effect */
}

.mobile-navigation.open {
    display: block; /* Make it visible for layout */
    max-height: 300px; /* Expands to show content, adjust as needed */
    opacity: 1; /* Fades in */
}

.mobile-navigation ul {
    list-style: none;
    padding: 0;
    margin: 10px 0 0 0;
    background-color: #f8f9fa;
    border-top: 1px solid #eee;
}

.mobile-navigation ul li {
    padding: 10px 20px;
    border-bottom: 1px solid #eee;
}

.mobile-navigation ul li:last-child {
    border-bottom: none;
}

.mobile-navigation ul li a {
    text-decoration: none;
    color: #004085;
    display: block;
    font-weight: bold;
}


/* Desktop Header */
.desktop-header {
    display: flex; /* Controlled by media query */
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 15px 20px; /* More padding for a spaced out header */
}

.desktop-header .logo {
    max-height: 70px; /* Slightly larger logo */
    width: auto;
}

.header-nav-and-button {
    display: flex;
    align-items: center;
    gap: 30px; /* Space between nav and button */
}

.desktop-header nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    gap: 25px; /* Space between nav items */
}

.desktop-header nav ul li a {
    text-decoration: none;
    color: #004085;
    font-weight: bold;
    font-size: 1.05em;
    transition: color 0.3s ease;
}

.desktop-header nav ul li a:hover {
    color: #007bff;
}

.download-button {
    background-color: #28a745;
    color: white;
    padding: 10px 20px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    white-space: nowrap;
    transition: background-color 0.3s ease, transform 0.2s ease;
    box-shadow: 0 2px 8px rgba(0,0,0,0.2); /* Shadow for button */
}

.download-button:hover {
    background-color: #218838;
    transform: translateY(-2px);
}

/* --- Hero Section (New Design: Spotlight Text + Immersive Background) --- */
.hero-section.new-vcd-hero {
    position: relative;
    width: 100%;
    min-height: 600px; /* Ample height for content */
    background-color: #001f4d; /* Solid dark background by default */
    display: flex; /* Use flex to center main content block */
    align-items: center; /* Vertically center main content block */
    justify-content: center; /* Horizontally center main content block */
    overflow: hidden; /* Crucial to hide overflow from scrolling background */
    padding: 0; /* No internal padding, managed by child elements */
}

.hero-spotlight-content { /* This is the main text/CTA block */
    position: relative;
    z-index: 10; /* Ensures content is always on top */
    background-color: rgba(0, 0, 0, 0.75); /* More opaque background for text readability */
    backdrop-filter: blur(8px); /* Stronger blur for modern look and readability */
    padding: 50px 60px; /* Generous padding */
    border-radius: 15px;
    max-width: 900px; /* Max width for the content block */
    box-shadow: 0 15px 40px rgba(0,0,0,0.6);
    text-align: center;
    color: white; /* Text color */

    opacity: 0; /* Hidden by default, JS will make it visible */
    transform: translateY(30px); /* Initial state for slide-up animation */
    transition: opacity 1s ease-out, transform 1s ease-out; /* Animation for entrance */
}

.hero-spotlight-content.active {
    opacity: 1;
    transform: translateY(0);
}

.hero-spotlight-title {
    font-size: 3.8em;
    color: #ffffff;
    margin-bottom: 20px;
    line-height: 1.1;
    text-shadow: 2px 2px 8px rgba(0,0,0,0.7);
    text-align: center;
}

.hero-spotlight-tagline {
    font-size: 1.4em;
    color: #e0e0e0;
    margin: 0 auto 30px auto;
    text-align: center;
    text-shadow: 1px 1px 4px rgba(0,0,0,0.5);
    max-width: 700px;
}

.primary-hero-cta {
    margin-top: 20px;
    box-shadow: 0 5px 15px rgba(0, 123, 255, 0.5);
}


/* --- Immersive Background Visuals --- */
.hero-background-carousel-wrapper { /* This container ensures the carousel fills the hero section */
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1; /* Behind the content block */
    overflow: hidden; /* Crucial: hides items outside the viewport */
    opacity: 0; /* Hidden initially, JS will make it visible */
    transition: opacity 1s ease-in-out; /* Fade in when active */
}

.hero-background-carousel-wrapper.active {
    opacity: 1;
}

.hero-carousel-track {
    display: flex; /* Flexbox for horizontal layout */
    height: 100%;
    white-space: nowrap; /* Keep images on one line */
    /* Animation applied by JS using @keyframes and transform: translateX */
}

.hero-bg-item { /* Changed class name for clarity */
    height: 100%; /* Fill the height of the container */
    width: auto; /* Allow image aspect ratio */
    object-fit: cover; /* Cover the area, cropping if needed */
    flex-shrink: 0; /* Prevent items from shrinking */
    filter: brightness(0.1) grayscale(1) blur(4px); /* VERY dark, fully grayscale, slightly blurred for ultimate subtlety */
    pointer-events: none; /* Ensure no interaction with background images */
    display: inline-block; /* Ensure horizontal layout */
}


/* Hide thumbnails if still present from old designs */
.thumbnail-gallery {
    display: none; 
}


/* --- Card Base Style (Refined) --- */
.card-style {
    background-color: #ffffff;
    padding: 30px; /* Slightly more padding */
    border-radius: 12px; /* Softer rounded corners */
    box-shadow: 0 6px 20px rgba(0,0,0,0.1); /* Stronger, softer shadow */
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    margin-bottom: 50px; /* Ensure space between sections */
}

.card-style:hover {
    transform: translateY(-8px); /* More pronounced lift on hover */
    box-shadow: 0 12px 30px rgba(0,0,0,0.2); /* More prominent shadow on hover */
}


/* Intro Section */
.intro-section {
    padding: 40px;
    background-color: #ffffff;
}

.retention-impact h3 {
    margin-top: 30px;
    color: #004085;
    font-size: 1.8em;
}

.retention-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.retention-item {
    background-color: #e9f5ff;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    transition: none;
}

.retention-item.highlight {
    background-color: #007bff;
    color: white;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}
.retention-item.highlight h4 {
    color: white;
}
.retention-item:hover {
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}


/* Problem-Solution Section */
.problem-solution-section {
    background-color: #f0f8ff;
    padding: 40px;
}

.approach-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    justify-content: center;
}

.problem, .solution {
    flex: 1;
    min-width: 300px;
    background-color: #ffffff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    transition: none;
}
.problem:hover, .solution:hover {
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.problem h3 {
    color: #dc3545;
}

.solution h3 {
    color: #28a745;
}

.problem ul, .solution ul {
    list-style: none;
    padding: 0;
}

.problem ul li::before {
    content: '✖';
    color: #dc3545;
    margin-right: 10px;
    font-weight: bold;

}

.solution ul li::before {
    content: '✔';
    color: #28a745;
    margin-right: 10px;
    font-weight: bold;
}

/* Applications Section */
.applications-section {
    padding: 40px;
    background-color: #ffffff;
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.category-item {
    background-color: #f8f9fa;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    transition: none;
}
.category-item:hover {
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}


.category-item h3 {
    color: #0056b3;
    font-size: 1.6em;
    margin-bottom: 15px;
}

.category-item ul {
    list-style: disc;
    margin-left: 20px;
    padding: 0;
}

.category-item ul li {
    margin-bottom: 8px;
}

/* Technical Features Section */
.technical-features-section {
    background-color: #e9f5ff;
    padding: 40px;
}

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

.feature-item {
    background-color: #ffffff;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: none;
}

.feature-item img {
    background-color: #007bff;
    padding: 12px;
    border-radius: 50%;
    margin-bottom: 15px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
}
.feature-item:hover {
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}


.feature-item h4 {
    color: #0056b3;
    font-size: 1.5em;
    margin-bottom: 10px;
}

/* Models Section */
.models-section {
    padding: 40px;
    background-color: #ffffff;
}

.models-section h3 {
    color: #0056b3;
    margin-top: 30px;
    font-size: 1.8em;
    border-bottom: 2px solid #e0f7fa;
    padding-bottom: 8px;
    margin-bottom: 25px;
}

.table-responsive {
    overflow-x: auto;
    margin-top: 20px;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 0;
}

table th, table td {
    border: 1px solid #e9ecef;
    padding: 14px 12px;
    text-align: left;
    white-space: nowrap;
}

table thead th {
    background-color: #007bff;
    color: white;
    font-weight: bold;
    font-size: 1.05em;
    letter-spacing: 0.5px;
}
table thead tr:first-child th:first-child { border-top-left-radius: 8px; }
table thead tr:first-child th:last-child { border-top-right-radius: 8px; }


table tbody tr:nth-child(even) {
    background-color: #f8f9fa;
}

table tbody tr:hover {
    background-color: #e0f7fa;
}


/* Gallery Section */
.gallery-section {
    background-color: #f0f8ff;
    padding: 40px;
}

.image-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.image-grid figure {
    margin: 0;
    padding: 0;
    text-align: center;
    background-color: #ffffff;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    overflow: hidden;
}

.image-grid .gallery-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
    border-bottom: 1px solid #eee;
}

.image-grid figcaption {
    padding: 15px;
    font-size: 0.95em;
    color: #555;
}

.outdoor-indoor-showcase {
    margin-top: 60px;
    text-align: center;
}

.outdoor-indoor-showcase h3 {
    font-size: 1.8em;
    color: #004085;
    margin-bottom: 30px;
}

.outdoor-examples, .indoor-examples {
    margin-bottom: 40px;
}

.outdoor-examples h4, .indoor-examples h4 {
    font-size: 1.5em;
    color: #0056b3;
    margin-bottom: 20px;
}

.image-grid-small {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    justify-content: center;
}

.image-grid-small img {
    width: 100%;
    height: 150px;
    object-fit: cover;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

/* ROI Section */
.roi-section {
    background-color: #d4edda;
    padding: 40px;
    box-shadow: 0 6px 20px rgba(0,0,0,0.1);
}

.roi-section h2 {
    color: #155724;
}
.roi-section h2::after {
    background-color: #28a745;
}

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

.benefit-item {
    background-color: #ffffff;
    padding: 25px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}
.benefit-item:hover {
    transform: none;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}


.benefit-item h4 {
    color: #218838;
    font-size: 1.5em;
    margin-bottom: 10px;
}

/* Testimonials Section */
.testimonials-section {
    padding: 40px;
}

.testimonial-carousel {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    gap: 20px;
    padding-bottom: 20px;
}

.testimonial-item {
    flex: 0 0 calc(33.33% - 20px);
    min-width: 300px;
    max-width: 450px;
    scroll-snap-align: start;
    background-color: #f8f9fa;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}
.testimonial-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.15);
}

.testimonial-item blockquote {
    font-style: italic;
    margin-bottom: 15px;
    color: #444;
    font-size: 1.1em;
}

.testimonial-item .cite {
    font-weight: bold;
    color: #004085;
}

/* Why Choose Section */
.why-choose-section {
    background-color: #e0f7fa;
    padding: 40px;
}

.choose-list {
    list-style: none;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.choose-list li {
    background-color: #ffffff;
    padding: 20px;
    border-left: 5px solid #007bff;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    font-size: 1.1em;
}
.choose-list li:hover {
    transform: none;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}


/* Inquiry Form Section (from reference, ensuring responsive) */
.inquiry-form-section {
    background-color: #f9f9f9;
    padding: 50px 20px;
    text-align: center;
}

.inquiry-form-section h2 {
    color: #004085;
    margin-bottom: 15px;
}

.inquiry-form-section p {
    font-size: 1.1em;
    color: #555;
    margin-bottom: 30px;
}

.inquiry-form-section form {
    max-width: 700px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.inquiry-form-section .form-group {
    text-align: left;
}

.inquiry-form-section label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
    color: #333;
}

.inquiry-form-section .required {
    color: #dc3545;
}

.inquiry-form-section input[type="text"],
.inquiry-form-section input[type="tel"],
.inquiry-form-section input[type="email"],
.inquiry-form-section textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-size: 1em;
    box-sizing: border-box; /* Include padding in width */
    transition: border-color 0.3s ease;
}

.inquiry-form-section input[type="text"]:focus,
.inquiry-form-section input[type="tel"]:focus,
.inquiry-form-section input[type="email"]:focus,
.inquiry-form-section textarea:focus {
    border-color: #007bff;
    outline: none;
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.25);
}

.inquiry-form-section textarea {
    resize: vertical;
}

.inquiry-form-section .submit-button {
    background-color: #28a745;
    color: white;
    padding: 15px 25px;
    border: none;
    border-radius: 5px;
    font-size: 1.2em;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease;
    font-weight: bold;
}

.inquiry-form-section .submit-button:hover {
    background-color: #218838;
    transform: translateY(-2px);
}

.inquiry-form-section .form-message {
    margin-top: 15px;
    font-size: 1em;
    font-weight: bold;
}

.inquiry-form-section .form-message.success {
    color: #28a745;
}

.inquiry-form-section .form-message.error {
    color: #dc3545;
}


/* Footer Styles (Copied from reference page's styles.css for consistency) */
footer {
    background-color: #004085;
    color: white;
    padding: 40px 20px;
    font-size: 0.95em;
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    gap: 30px;
}

.footer-col {
    flex: 1;
    min-width: 250px;
    margin-bottom: 20px;
}

.footer-col h3 {
    color: #007bff;
    margin-bottom: 20px;
    font-size: 1.4em;
    text-align: left; /* Override general heading alignment */
}

.footer-logo {
    max-width: 180px;
    margin-bottom: 15px;
}

.footer-col p, .footer-col ul {
    color: #b0d8ff;
    line-height: 1.8;
}

.footer-col ul {
    list-style: none;
    padding: 0;
}

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

.footer-col ul li a, .footer-col p a {
    color: #b0d8ff;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-col ul li a:hover {
    color: #ffffff;
}

.social-media-icons {
    display: flex;
    gap: 15px;
    margin-top: 15px;
}

.social-media-icons img {
    width: 30px;
    height: 30px;
    transition: transform 0.2s ease;
}

.social-media-icons img:hover {
    transform: scale(1.1);
}

.copyright {
    text-align: center;
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.2);
    color: #b0d8ff;
    font-size: 0.85em;
}

.copyright a {
    color: #b0d8ff;
    text-decoration: none;
}

.copyright a:hover {
    text-decoration: underline;
}

.branding-credit {
    margin-top: 10px;
}


/* Call-back widget (from reference, ensuring responsive) */
#callback-widget {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000;
}

#widget-button {
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 50px;
    padding: 12px 20px;
    font-size: 1em;
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
    transition: background-color 0.3s ease, transform 0.2s ease;
}

#widget-button:hover {
    background-color: #0056b3;
    transform: translateY(-2px);
}

#widget-button svg {
    width: 20px;
    height: 20px;
    fill: none;
    stroke: currentColor; /* Use currentColor for SVG stroke to inherit color */
    stroke-width: 2;
}


/* Modal Styles */
#callback-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1001;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

#callback-modal.modal-visible {
    opacity: 1;
    visibility: visible;
}

#callback-modal.modal-hidden {
    display: none; /* Ensure it's truly hidden for screen readers */
}


.modal-content {
    background-color: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    position: relative;
    width: 90%;
    max-width: 400px;
    text-align: center;
    transform: translateY(-20px);
    opacity: 0;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

#callback-modal.modal-visible .modal-content {
    transform: translateY(0);
    opacity: 1;
}

#modal-close-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    background: none;
    border: none;
    font-size: 1.5em;
    cursor: pointer;
    color: #666;
}

.form-step {
    display: none;
}

.form-step.active-step {
    display: block;
}

.form-step h3 {
    color: #004085;
    margin-bottom: 10px;
}

.form-step p {
    color: #555;
    margin-bottom: 20px;
}

.form-step input[type="tel"],
.form-step input[type="text"],
.form-step input[type="email"] {
    width: calc(100% - 20px);
    padding: 10px;
    margin-bottom: 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1em;
}

.form-step .next-btn {
    background-color: #007bff;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1em;
    transition: background-color 0.3s ease;
}

.form-step .next-btn:hover {
    background-color: #0056b3;
}


/* --- Responsive Design (Updated) --- */
@media (max-width: 992px) {
    .desktop-header {
        display: none;
    }

    .mobile-header {
        display: flex;
    }
    
    .top-bar { /* Hide top bar on mobile */
        display: none;
    }

    /* Adjust header-nav-and-button for mobile dropdown */
    .header-nav-and-button {
        flex-direction: column;
        align-items: flex-start;
    }

    .desktop-header nav ul {
        flex-direction: column;
        margin-top: 15px;
    }

    .desktop-header nav ul li {
        margin-left: 0;
        margin-bottom: 10px;
    }

    .download-button.desktop-download-button {
        margin: 15px 0 0 0;
        width: 100%;
        text-align: center;
    }

    h1 {
        font-size: 2.2em;
    }

    h2 {
        font-size: 1.8em;
    }
    h2::after {
        width: 60px; /* Adjust underline width for smaller screens */
        height: 3px;
    }

    /* Hero section for mobile */
    .hero-section.fresh-vcd-hero {
        min-height: auto; /* Adjust height based on content */
        padding: 40px 15px;
        flex-direction: column; /* Stack content and visuals */
    }

    .hero-main-content {
        padding: 40px 20px;
        max-width: 100%; /* Take full width */
        margin-left: 0; /* Remove horizontal margin */
        margin-right: 0;
    }
    .hero-spotlight-title {
        font-size: 2.5em;
    }
    .hero-spotlight-tagline {
        font-size: 1.1em;
    }

    .hero-background-carousel-wrapper {
        position: relative; /* Change from absolute to relative for mobile flow */
        margin-top: 30px; /* Space from content area */
        height: 200px; /* Fixed height for mobile carousel */
        width: 100%; /* Take full width */
        left: 0; /* Ensure it's not off-screen */
        transform: translateX(0); /* Ensure it starts visible on mobile */
    }

    .carousel-item {
        object-fit: contain; /* Contain for better visibility on mobile */
    }

    .thumbnail-gallery {
        display: none; 
    }

    .problem, .solution {
        min-width: unset;
        width: 100%;
    }

    table th, table td {
        padding: 8px; /* Smaller padding for mobile tables */
        font-size: 0.9em;
    }
    table thead tr:first-child th:first-child { border-top-left-radius: 0; }
    table thead tr:first-child th:last-child { border-top-right-radius: 0; }

    .testimonial-item {
        flex: 0 0 90%; /* Adjust width for mobile carousel */
        margin: 0 auto;
    }

    .image-grid, .features-grid, .benefits-grid, .categories-grid, .choose-list {
        grid-template-columns: 1fr; /* Stack columns on small screens */
    }

    .image-grid .gallery-image {
        height: 180px;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 15px;
    }

    h1 {
        font-size: 2em;
    }

    h2 {
        font-size: 1.6em;
    }

    .hero-section {
        padding: 40px 15px;
    }

    .hero-section h1 {
        font-size: 2em;
    }

    .hero-section .tagline {
        font-size: 1em;
    }

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

    .footer-col {
        min-width: 100%;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 1.8em;
    }

    .hero-section h1 {
        font-size: 1.8em;
    }

    .mobile-download-button {
        font-size: 0.8em;
        padding: 6px 10px;
    }

    .cta-button {
        padding: 12px 20px;
        font-size: 1em;
    }

    .inquiry-form-section input,
    .inquiry-form-section textarea,
    .inquiry-form-section .submit-button {
        font-size: 0.9em;
        padding: 10px;
    }
}