:root {
    --primary: #2c3e50;
    --secondary: #3498db;
    --accent: #e74c3c;
    --light: #ecf0f1;
    --dark: #2c3e50;
    --gray: #95a5a6;
    --white: #ffffff;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

* {
    font-family: 'Segoe UI', Arial;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    line-height: 1.6;
    color: #333;
    background-color: var(--white);
    overflow-x: hidden;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* Header */
header {
    background-color: var(--white);
    box-shadow: var(--shadow);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    transition: var(--transition);
}

header.scrolled {
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
    transition: var(--transition);
}

.logo {
    font-size: 26px;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
}

.logo span {
    color: var(--secondary);
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-left: 30px;
    position: relative;
}

nav ul li a {
    text-decoration: none;
    color: var(--dark);
    font-weight: 500;
    transition: color 0.3s;
    padding: 5px 0;
    cursor: pointer;
    white-space: nowrap;
}

nav ul li a:hover {
    color: var(--secondary);
}

/* Dropdown Menu */
.dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--white);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    border-radius: 4px;
    padding: 15px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition);
    z-index: 100;
    flex-direction: column;
    width: max-content;
}

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

nav ul li:hover .dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown li {
    margin: 0;
    padding: 0;
    width: 100%;
}

.dropdown a {
    display: block;
    padding: 12px 20px;
    color: var(--dark);
    text-decoration: none;
    transition: var(--transition);
    font-size: 0.95rem;
    width: 100%;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    white-space: nowrap;
}

.dropdown li:last-child a {
    border-bottom: none;
}

.dropdown a:hover {
    background-color: rgba(52, 152, 219, 0.05);
    color: var(--secondary);
    padding-left: 25px;
}

.cta-btn {
    background-color: var(--secondary);
    color: var(--white);
    padding: 10px 20px;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.cta-btn:hover {
    background-color: #2980b9;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

/* Mobile Menu */
.mobile-menu {
    display: none;
    font-size: 28px;
    cursor: pointer;
    color: var(--primary);
    background: none;
    border: none;
    transition: var(--transition);
    width: 30px;
    height: 30px;
    position: relative;
}

.mobile-menu:hover {
    color: var(--secondary);
    transform: scale(1.05);
}

.mobile-menu .fa-bars {
    transition: var(--transition);
}

.mobile-menu .fa-times {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.8) rotate(-90deg);
    opacity: 0;
    transition: var(--transition);
}

.mobile-menu.active .fa-bars {
    transform: scale(0.8) rotate(90deg);
    opacity: 0;
}

.mobile-menu.active .fa-times {
    transform: translate(-50%, -50%) scale(1) rotate(0deg);
    opacity: 1;
}

.mobile-cta {
    display: none;
}

/* Hero Section */
.hero {
    /* background: linear-gradient(135deg, var(--primary) 0%, #1a2530 100%); */
    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('Photo_hero.jpg');
    color: var(--white);
    text-align: center;
    position: relative;
    overflow: hidden;
    margin-top: 70px;
    min-height: auto;
    display: flex;
    align-items: center;
    padding: 30px 0;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" preserveAspectRatio="none"><path d="M0,0 L100,0 L100,100 Z" fill="rgba(255,255,255,0.05)"/></svg>');
    background-size: cover;
    animation: float 20s infinite linear;
}

@keyframes float {
    0%, 100% { transform: translateY(0) translateX(0); }
    50% { transform: translateY(-10px) translateX(5px); }
}

.hero .container {
    position: relative;
    z-index: 2;
    padding: 30px 15px;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    line-height: 1.2;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeUp 0.8s ease forwards;
}

.hero p {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto 30px;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeUp 0.8s ease 0.2s forwards;
}

.page-title h1 {
    font-size: 2.8rem;
    margin-bottom: 20px;
    line-height: 1.2;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeUp 0.8s ease forwards;
}

.page-title p {
    font-size: 1.2rem;
    max-width: 800px;
    margin: 0 auto;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeUp 0.8s ease 0.2s forwards;
    line-height: 1.6;
    opacity: 0.9;
}

@keyframes fadeUp {
    to { opacity: 1; transform: translateY(0); }
}

/* Services Section */
.services {
    padding: 100px 0;
    background-color: #f9f9f9;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 15px;
}

.section-title p {
    color: var(--gray);
    max-width: 600px;
    margin: 0 auto;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(300px, 1fr));
    gap: 30px;
}

.service-card {
    background-color: var(--white);
    border-radius: 8px;
    padding: 40px 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
    text-align: center;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--primary);
}

.service-card p {
    color: #555;
}

.clickable-link {
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
}

.clickable-link:hover {
    color: var(--secondary);
}

/* About Section */
.about {
    padding: 100px 0;
}

.about-text h2 {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 20px;
}

.about-text p {
    margin-bottom: 20px;
    color: #555;
}

/* Testimonials */
.testimonials {
    padding: 100px 0;
    background-color: var(--primary);
    color: var(--white);
}

.testimonials .section-title h2 {
    color: var(--white);
}

.testimonials .section-title p {
    color: rgba(255, 255, 255, 0.8);
}

.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.testimonial-card {
    background-color: rgba(255, 255, 255, 0.1);
    padding: 30px;
    border-radius: 8px;
    transition: var(--transition);
}

.testimonial-card:hover {
    transform: translateY(-5px);
    background-color: rgba(255, 255, 255, 0.15);
}

.testimonial-text {
    font-style: italic;
    margin-bottom: 20px;
}

.testimonial-author {
    display: flex;
    align-items: center;
}

.author-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    overflow: hidden;
    margin-right: 15px;
    background-color: var(--secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 20px;
}

.author-info h4 {
    margin-bottom: 5px;
}

.author-info p {
    opacity: 0.8;
    font-size: 0.9rem;
}

/* CTA Section */
.cta-section {
    padding: 75px 0;
    background: linear-gradient(135deg, var(--secondary) 0%, #2980b9 100%);
    color: var(--white);
    text-align: center;
}

.cta-section h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.cta-section p {
    max-width: 600px;
    margin: 0 auto 0px;
    opacity: 0.9;
}

/* Page Body Layout */
.page-body {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  max-width: 1200px;
  margin: 20px auto 40px;
  padding: 0 20px;
  position: relative;
  min-height: calc(100vh - 160px);
  gap: 40px;
}

/* Main content area */
.content-area {
  flex: 1;
  min-width: 0;
}

/* Clean section styling */
.content-area section {
  margin-bottom: 80px;
  scroll-margin-top: 100px;
  padding: 0;
}

.content-area h2 {
  font-size: 1.8rem;
  margin-bottom: 20px;
  color: var(--primary);
  border-bottom: 2px solid var(--secondary);
  padding-bottom: 10px;
}

.content-area h3 {
  font-size: 1.4rem;
  margin: 25px 0 15px 0;
  color: var(--primary);
}

.content-area p {
  line-height: 1.7;
  color: #555;
  margin-bottom: 20px;
  font-size: 1.1rem;
}

.content-area ul {
  margin: 20px 0;
  padding-left: 30px;
}

.content-area li {
  margin-bottom: 10px;
  line-height: 1.6;
  color: #555;
  font-size: 1.1rem;
}

/* Small Tables Container */
.small-tables-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin: 30px 0;
}

/* Specifications Tables */
.specs-table-container {
  overflow-x: auto;
  margin: 20px 0 30px 0;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.specs-table {
  width: 100%;
  background: var(--white);
  border-radius: 8px;
  overflow: hidden;
  border-collapse: collapse;
  min-width: 280px;
}

.specs-table th {
  background-color: var(--primary);
  color: var(--white);
  font-weight: 600;
  padding: 15px 20px;
  text-align: left;
  font-size: 1rem;
  border-bottom: 2px solid var(--secondary);
}

.specs-table th[colspan="2"] {
  text-align: center;
  font-size: 1.1rem;
}

.specs-table td {
  padding: 15px 20px;
  border-bottom: 1px solid #e0e0e0;
  line-height: 1.6;
  vertical-align: top;
}

.specs-table tr:nth-child(even) {
  background-color: rgba(52, 152, 219, 0.05);
}

.specs-table tr:hover {
  background-color: rgba(52, 152, 219, 0.1);
}

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

/* Side Index */
.side-index {
    position: sticky;
    top: 90px;
    width: 280px;
    flex-shrink: 0;
    background: var(--white);
    border-radius: 12px;
    box-shadow: var(--shadow);
    padding: 0;
    overflow: hidden;
    max-height: calc(100vh - 120px);
    overflow-y: auto;
    transition: all 0.3s ease;
}

.side-index nav {
    padding: 25px;
}

.side-index h3 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    color: var(--primary);
    font-weight: 600;
    text-align: left;
}

.side-index ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0;
}

.side-index li {
    margin: 0;
    display: block;
    width: 100%;
}

.side-index li + li {
    border-top: 1px solid #f8f9fa;
}

.side-index a {
    color: var(--dark);
    text-decoration: none;
    transition: all 0.3s ease;
    padding: 15px 0;
    display: block;
    font-weight: 500;
    width: 100%;
    text-align: left;
}

.side-index a:hover {
    color: var(--secondary);
    padding-left: 15px;
    background-color: rgba(52, 152, 219, 0.05);
    border-radius: 8px;
}

.side-index a.active {
    color: var(--secondary);
    font-weight: 600;
    padding-left: 15px;
    background-color: rgba(52, 152, 219, 0.08);
    border-radius: 8px;
    box-shadow: inset 0 0 10px rgba(52, 152, 219, 0.1);
}

.side-index a.clicked {
    background-color: rgba(52, 152, 219, 0.15);
    transform: scale(0.98);
    transition: all 0.2s ease;
}

/* Scrollbar styling */
.side-index::-webkit-scrollbar {
    width: 6px;
}

.side-index::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 3px;
}

.side-index::-webkit-scrollbar-thumb {
    background: var(--secondary);
    border-radius: 3px;
}

.side-index::-webkit-scrollbar-thumb:hover {
    background: #2980b9;
}

.side-index {
    scrollbar-width: thin;
    scrollbar-color: var(--secondary) #f1f1f1;
}

.content-area section {
    scroll-margin-top: 90px;
}

/* Footer */
footer {
    background-color: var(--dark);
    color: var(--white);
    padding: 70px 0 20px;
}

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

.footer-column h3 {
    font-size: 1.2rem;
    margin-bottom: 0px;
}

.highlight-container {
    position: relative;
    display: inline-block;
}

.highlight-rectangle {
    position: absolute;
    top: -5px;
    left: -10px;
    width: calc(100% + 20px);
    height: calc(100% + 10px);
    background-color: rgba(255, 215, 0, 0.75);
    border-radius: 1px;
    z-index: 0;
    opacity: 0;
}

.highlight-container.highlighted .highlight-rectangle {
    opacity: 0.4;
}

.highlight-text {
    position: relative;
    z-index: 1;
}

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

.footer-column ul li {
    margin-bottom: 5px;
}

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

.footer-column ul li a:hover {
    color: var(--white);
    padding-left: 5px;
}

.footer-bottom {
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
    text-align: left;
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--white);
    text-decoration: none;
    transition: var(--transition);
}

.social-links a:hover {
    background-color: var(--secondary);
    transform: translateY(-3px);
}

/* Toggleable Dropdowns */
.toggle-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 15px;
    background-color: rgba(52, 152, 219, 0.1);
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid rgba(52, 152, 219, 0.2);
}

.toggle-header:hover {
    background-color: rgba(52, 152, 219, 0.15);
}

.toggle-header h3 {
    margin: 0;
    font-size: 1.2rem;
    color: var(--primary);
}

.toggle-icon {
    transition: var(--transition);
    color: var(--secondary);
}

.toggle-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    background-color: rgba(52, 152, 219, 0.05);
    border-radius: 0 0 4px 4px;
}

.toggle-content.active {
    max-height: 1000px;
}

.toggle-content p {
    padding: 15px;
    margin: 0;
    color: #555;
    line-height: 1.6;
}

/* Highlighted contact items */
.highlight-contact {
    transition: var(--transition);
}

.highlight-contact.highlighted {
    background-color: rgba(255, 215, 0, 0.3);
    padding: 2px 5px;
    border-radius: 1px;
}

/* Comparison Images */
.comparison-images-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 20px;
  margin: 40px 0;
}

.comparison-image-wrapper {
  background: var(--white);
  border-radius: 8px;
  box-shadow: var(--shadow);
  overflow: hidden;
  border: 1px solid #e0e0e0;
}

.comparison-image {
  width: 100%;
  height: 250px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--white);
  position: relative;
}

.comparison-image i {
  font-size: 4rem;
  margin-bottom: 5px;
  opacity: 0.9;
}

.comparison-image p {
  font-size: 1.1rem;
  font-weight: 600;
  margin: 0;
  text-align: center;
}

.image-caption-box {
  padding: 25px;
  background: var(--white);
  border-top: 1px solid #e0e0e0;
}

.image-caption-box h4 {
  font-size: 1.3rem;
  margin-bottom: 15px;
  color: var(--primary);
  border-bottom: 2px solid var(--secondary);
  padding-bottom: 8px;
}

.image-caption-box p {
  color: #555;
  line-height: 1.6;
  margin: 0;
}

.comparison-summary {
  background: linear-gradient(135deg, rgba(52, 152, 219, 0.05) 0%, rgba(41, 128, 185, 0.05) 100%);
  border-radius: 8px;
  padding: 30px;
  margin-top: 30px;
  border-left: 4px solid var(--secondary);
}

.comparison-summary h3 {
  font-size: 1.4rem;
  margin-bottom: 20px;
  color: var(--primary);
}

.comparison-summary ul {
  margin: 0;
  padding-left: 20px;
}

.comparison-summary li {
  margin-bottom: 12px;
  line-height: 1.6;
  color: #555;
}

.comparison-summary strong {
  color: var(--primary);
}

/* Responsive Design */
@media (max-width: 960px) {
    .header-container {
        flex-wrap: wrap;
        padding: 15px 0;
    }
    
    .logo {
        order: 2;
        margin: 0;
        font-size: 26px;
        margin-left: 15px;
    }
    
    .mobile-menu {
        display: block;
        order: 1;
    }
    
    .desktop-cta {
        display: none;
    }
    
    .mobile-cta {
        display: inline-block;
        order: 3;
    }
    
    .header-container {
        display: flex;
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }
    
    .mobile-menu-container {
        display: flex;
        align-items: center;
        gap: 15px;
        order: 1;
    }
    
    .mobile-menu {
        margin: 0;
    }
    
    .logo {
        order: 2;
        margin-left: 0;
    }
    
    nav {
        width: 240px;
        order: 3;
        display: none;
        position: absolute;
        top: 100%;
        left: 15px;
        background-color: var(--white);
        box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
        border-radius: 8px;
        padding: 15px;
        z-index: 1000;
        max-height: 80vh;
        overflow-y: auto;
    }
    
    nav.active {
        display: block;
    }
    
    nav ul {
        flex-direction: column;
        text-align: left;
        align-items: flex-start;
        width: 100%;
    }
    
    nav ul li {
        margin: 0;
        width: 100%;
    }
    
    nav ul li a {
        display: block;
        padding: 10px 0;
        width: 100%;
        font-size: 1rem;
    }
    
    .dropdown {
        position: static;
        width: 100%;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        background-color: transparent;
        margin-top: 0;
        margin-left: 0;
        display: none;
        border-radius: 0;
        padding: 0;
        transition: var(--transition);
        border-left: 2px solid rgba(52, 152, 219, 0.2);
        min-width: unset !important;
    }
    
    .dropdown.active {
        display: block;
        padding: 10px 0 10px 15px;
    }
    
    .dropdown a {
        padding: 8px 15px;
        border-bottom: 1px solid rgba(0,0,0,0.05);
        font-size: 0.9rem;
        color: #555;
    }
    
    .dropdown a:hover {
        background-color: rgba(52, 152, 219, 0.05);
        color: var(--secondary);
        padding-left: 20px;
    }
    
    .dropdown li:last-child a {
        border-bottom: none;
    }
    
    .hero h1 {
        font-size: 2.2rem;
    }
    
    .page-title h1 {
        font-size: 2.2rem;
    }
    
    .hero {
        padding: 25px 0;
    }
    
    .hero .container {
        padding: 25px 15px;
    }
    
    .page-title p {
        font-size: 1.1rem;
    }
    
    /* Page body responsive */
    .page-body {
        flex-direction: column;
        margin-top: 20px;
        padding: 20px 15px;
        gap: 30px;
    }
    
    .content-area {
        width: 100%;
    }
    
    .side-index {
        position: static;
        width: 100%;
        margin-top: 0;
        max-height: none;
    }
    
    /* Small tables responsive */
    .small-tables-container {
        grid-template-columns: 1fr;
        gap: 20px;
        margin: 20px 0;
    }
    
    /* Table responsive */
    .specs-table th,
    .specs-table td {
        padding: 12px 15px;
        font-size: 0.9rem;
    }
    
    .specs-table-container {
        margin: 15px 0;
    }
    
    /* Comparison section responsive */
    .comparison-images-container {
        grid-template-columns: 1fr;
        gap: 30px;
        margin: 30px 0;
    }
    
    .comparison-image {
        height: 200px;
    }
    
    .comparison-image i {
        font-size: 3rem;
        margin-bottom: 15px;
    }
    
    .image-caption-box {
        padding: 20px;
    }
    
    .comparison-summary {
        padding: 25px;
    }
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 1.8rem;
    }
    
    .page-title h1 {
        font-size: 1.8rem;
    }
    
    .page-title p {
        font-size: 1rem;
    }
    
    .section-title h2 {
        font-size: 2rem;
    }
    
    .cta-section h2 {
        font-size: 2rem;
    }
    
    .content-area h2 {
        font-size: 1.5rem;
    }
    
    .content-area h3 {
        font-size: 1.2rem;
    }
    
    .content-area p {
        font-size: 1rem;
    }
}

/* Fix header height calculation */
header {
    height: auto;
    min-height: 70px;
}

.header-container {
    min-height: 70px;
}

/* Design Toggle Section */
.design-toggle-container {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 40px;
  margin: 40px 0;
  align-items: start;
}

.design-image-display {
  position: relative;
  background: var(--white);
  border-radius: 12px;
  box-shadow: var(--shadow);
  overflow: hidden;
  border: 1px solid #e0e0e0;
}

.design-image {
  display: none;
  opacity: 0;
  transform: translateX(20px);
  transition: all 0.4s ease;
}

.design-image.active {
  display: block;
  opacity: 1;
  transform: translateX(0);
}

.design-image .image-placeholder {
  width: 100%;
  height: 300px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--white);
  position: relative;
}

.design-image .image-placeholder i {
  font-size: 4rem;
  margin-bottom: 15px;
  opacity: 0.9;
}

.design-image .image-placeholder p {
  font-size: 1.3rem;
  font-weight: 600;
  margin: 0;
  text-align: center;
}

.design-image .image-caption-box {
  padding: 25px;
  background: var(--white);
  border-top: 1px solid #e0e0e0;
}

.design-image .image-caption-box p {
  color: #555;
  line-height: 1.6;
  margin: 0;
  font-size: 1.1rem;
}

.design-image .image-caption-box strong {
  color: var(--primary);
}

/* Toggle Buttons */
.design-toggle-buttons {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.design-toggle-btn {
  background: var(--white);
  border: 2px solid #e0e0e0;
  border-radius: 8px;
  padding: 20px;
  text-align: left;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.design-toggle-btn:hover {
  border-color: var(--secondary);
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.design-toggle-btn.active {
  border-color: var(--secondary);
  background: linear-gradient(135deg, rgba(52, 152, 219, 0.1) 0%, rgba(41, 128, 185, 0.1) 100%);
  box-shadow: 0 5px 15px rgba(52, 152, 219, 0.2);
}

.design-toggle-btn i {
  font-size: 1.5rem;
  color: var(--secondary);
  margin-bottom: 10px;
}

.design-toggle-btn span {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 5px;
}

.design-toggle-btn p {
  font-size: 0.9rem;
  color: var(--gray);
  margin: 0;
  line-height: 1.4;
}

/* Responsive Design */
@media (max-width: 968px) {
  .design-toggle-container {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  
  .design-toggle-buttons {
    flex-direction: row;
    justify-content: space-between;
  }
  
  .design-toggle-btn {
    flex: 1;
    margin: 0 5px;
    min-height: 100px;
  }
}

@media (max-width: 768px) {
  .design-toggle-buttons {
    flex-direction: column;
  }
  
  .design-toggle-btn {
    margin: 0;
  }
  
  .design-image .image-placeholder {
    height: 250px;
  }
  
  .design-image .image-placeholder i {
    font-size: 3rem;
  }
}

/* Image Placeholders */
.product-image-placeholder, .image-placeholder {
  width: 100%;
  height: 200px;
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--gray);
  margin-top: 20px;
  border: 2px dashed #dee2e6;
  position: relative;
}

.product-image-placeholder::before, .image-placeholder::before {
  content: "📷 Image Placeholder";
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--gray);
  text-align: center;
}

.product-image-placeholder i, .image-placeholder i {
  font-size: 3rem;
  margin-bottom: 15px;
  color: var(--secondary);
}

.product-image-placeholder p, .image-placeholder p {
  font-size: 1rem;
  color: var(--gray);
  margin: 0;
  text-align: center;
}

/* Design section specific placeholders */
.design-image .image-placeholder {
  width: 100%;
  height: 300px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--white);
  position: relative;
  border: none;
}

.design-image .image-placeholder::before {
  content: "Design Preview";
  color: var(--white);
  font-size: 1.3rem;
  font-weight: 600;
}

.design-image .image-placeholder i {
  font-size: 4rem;
  margin-bottom: 15px;
  opacity: 0.9;
  color: var(--white);
}

.design-image .image-placeholder p {
  font-size: 1.3rem;
  font-weight: 600;
  margin: 0;
  text-align: center;
  color: var(--white);
}

/* Comparison section placeholders */
.comparison-image {
  width: 100%;
  height: 250px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--white);
  position: relative;
  border: none;
}

.comparison-image::before {
  content: "📊 Comparison Chart";
  color: var(--white);
  font-size: 1.1rem;
  font-weight: 600;
}

.comparison-image i {
  font-size: 4rem;
  margin-bottom: 5px;
  opacity: 0.9;
  color: var(--white);
}

.comparison-image p {
  font-size: 1.1rem;
  font-weight: 600;
  margin: 0;
  text-align: center;
  color: var(--white);
}

/* Fix for mobile menu visibility */
@media (max-width: 960px) {
    nav {
        display: none;
    }
    
    nav.active {
        display: block;
    }
}

/* Fix for dropdown menus on mobile */
@media (max-width: 960px) {
    .dropdown {
        position: static;
        box-shadow: none;
        background: rgba(0,0,0,0.02);
    }
}

/* Ensure images don't overflow */
img {
    max-width: 100%;
    height: auto;
}

/* Fix for sticky header covering content */
main {
    padding-top: 20px;
}

/* Improve side index scrolling */
.side-index {
    z-index: 100;
}