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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

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

a {
    text-decoration: none;
    color: #0066cc;
    transition: color 0.3s ease;
}

a:hover {
    color: #004080;
}

h1, h2, h3, h4, h5, h6 {
    margin-bottom: 20px;
    line-height: 1.2;
}

ul {
    list-style: none;
}

p {
    margin-bottom: 15px;
}

section {
    padding: 60px 0;
}

.info-section {
    padding: 80px 0;
}

.alt-bg {
    background-color: #f1f5f9;
}

.section-intro {
    font-size: 1.2rem;
    text-align: center;
    max-width: 800px;
    margin: 0 auto 40px;
}

/* Header Styles */
header {
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 15px 0;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 24px;
    font-weight: 700;
    color: #0066cc;
}

nav ul {
    display: flex;
}

nav ul li {
    margin-left: 25px;
}

nav ul li a {
    color: #444;
    font-weight: 500;
    padding: 5px 0;
    position: relative;
}

nav ul li a:after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    background: #0066cc;
    bottom: 0;
    left: 0;
    transition: width 0.3s ease;
}

nav ul li a:hover:after {
    width: 100%;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #0066cc 0%, #004999 100%);
    color: white;
    text-align: center;
    padding: 100px 0;
}

.hero h1 {
    font-size: 2.8rem;
    margin-bottom: 20px;
    color: white;
}

.hero p {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto;
}

/* Content Sections */
.content-wrapper {
    display: flex;
    align-items: center;
    gap: 40px;
    margin-top: 30px;
}

.text-content {
    flex: 1;
}

.placeholder-img {
    flex: 1;
    min-height: 350px;
}

.placeholder {
    width: 100%;
    height: 100%;
    background-color: #e0e0e0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #777;
    font-style: italic;
    border-radius: 8px;
    min-height: 300px;
}

/* Benefits Section */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.benefit-card {
    background-color: #fff;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.benefit-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.benefit-card h3 {
    color: #0066cc;
    margin-bottom: 15px;
}

/* Types of Tiles Section */
.types-content {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.type-card {
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.05);
    overflow: hidden;
}

.type-card h3 {
    padding: 20px;
    background-color: #0066cc;
    color: white;
    margin-bottom: 0;
}

.type-card .placeholder {
    height: 200px;
    border-radius: 0;
}

.type-card ul {
    padding: 20px;
    list-style: disc;
    margin-left: 20px;
}

.type-card ul li {
    margin-bottom: 10px;
}

/* Installation Section */
.step-by-step {
    max-width: 800px;
    margin: 0 auto;
}

.step {
    display: flex;
    margin-bottom: 30px;
    gap: 20px;
}

.step-number {
    width: 40px;
    height: 40px;
    background-color: #0066cc;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    border-radius: 50%;
    flex-shrink: 0;
}

.step-content {
    background-color: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.05);
    flex: 1;
}

.step-content h3 {
    color: #0066cc;
    margin-bottom: 10px;
}

.installation-tips {
    max-width: 800px;
    margin: 40px auto 0;
    background-color: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.05);
}

.installation-tips h3 {
    color: #0066cc;
    margin-bottom: 20px;
}

.installation-tips ul {
    list-style: disc;
    margin-left: 20px;
}

.installation-tips li {
    margin-bottom: 10px;
}

/* Applications Section */
.applications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.application-card {
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.05);
    overflow: hidden;
    transition: transform 0.3s ease;
}

.application-card:hover {
    transform: translateY(-5px);
}

.application-card h3 {
    padding: 20px 20px 0;
    color: #0066cc;
}

.application-card .placeholder {
    height: 180px;
    border-radius: 0;
    margin: 15px 0;
}

.application-card p {
    padding: 0 20px 20px;
}

/* Resources Section */
.resources-content {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
}

.resource-card {
    background-color: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.05);
}

.resource-card h3 {
    color: #0066cc;
    margin-bottom: 20px;
}

.resource-card ul {
    list-style: disc;
    margin-left: 20px;
}

.resource-card li {
    margin-bottom: 10px;
}

.faq-item {
    margin-bottom: 20px;
}

.faq-item h4 {
    color: #444;
    margin-bottom: 10px;
    font-weight: 600;
}

/* Footer */
footer {
    background-color: #333;
    color: #fff;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-info h3, .footer-links h3 {
    color: #fff;
    margin-bottom: 20px;
}

.disclaimer {
    font-size: 0.9rem;
    color: #bbb;
    margin-top: 20px;
}

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

.footer-links ul li a {
    color: #bbb;
}

.footer-links ul li a:hover {
    color: #fff;
}

.copyright {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid #555;
    color: #bbb;
    font-size: 0.9rem;
}

/* Responsive Design */
@media screen and (max-width: 992px) {
    .content-wrapper {
        flex-direction: column;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media screen and (max-width: 768px) {
    .hero {
        padding: 60px 0;
    }
    
    .hero h1 {
        font-size: 2.2rem;
    }
    
    nav ul {
        display: none;
    }
    
    .types-content, .resources-content {
        grid-template-columns: 1fr;
    }
}

@media screen and (max-width: 480px) {
    .hero h1 {
        font-size: 1.8rem;
    }
    
    .info-section {
        padding: 50px 0;
    }
    
    .benefit-card, .application-card {
        padding: 15px;
    }
}