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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: #2C2C2C;
    background-color: #FFFFFF;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 0.5em;
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 1rem;
    line-height: 1.5;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease;
}

/* Header */
.header {
    background-color: #FFFFFF;
    border-bottom: 1px solid #E5E7EB;
    padding: 1rem 0;
}

.header-content {
    display: flex;
    align-items: center;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo {
    width: 50px;
    height: 50px;
}

.brand-name {
    font-size: 1.75rem;
    font-weight: 700;
    color: #2C2C2C;
    margin: 0;
}

/* Hero Section */
.hero {
    background-color: #F9FAFB;
    padding: 4rem 0;
}

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

.hero-text {
    text-align: left;
}

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

.hero-visual svg {
    width: 100%;
    height: auto;
    max-width: 500px;
}

.hero-title {
    font-size: 3rem;
    color: #2C2C2C;
    margin-bottom: 1rem;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: #6B7280;
    margin-bottom: 3rem;
    line-height: 1.6;
}

.hero-cta {
    margin-top: 2rem;
}

.hero-button {
    display: flex;
    display: inline-block;
    background-color: #F59E0B;
    color: #FFFFFF;
    padding: 1rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1.125rem;
    transition: background-color 0.3s ease;
    text-decoration: none;
}

.hero-button:hover {
    background-color: #D97706;
}

/* Section Titles */
.section-title {
    text-align: center;
    font-size: 2.5rem;
    color: #2C2C2C;
    margin-bottom: 3rem;
}

/* Featured Products */
.featured-products {
    padding: 5rem 0;
    background-color: #FFFFFF;
    text-align: center;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.product-card {
    background-color: #FFFFFF;
    border: 1px solid #E5E7EB;
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    transition: box-shadow 0.3s ease, border-color 0.3s ease, transform 0.3s ease;
}

.product-card:hover {
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    border-color: #F59E0B;
    transform: translateY(-4px);
}

.product-image {
    margin-bottom: 1.5rem;
    border-radius: 8px;
    overflow: hidden;
}

.product-image svg {
    width: 100%;
    height: auto;
    border-radius: 8px;
}

.product-title {
    color: #2C2C2C;
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.product-description {
    color: #6B7280;
    margin-bottom: 1rem;
    line-height: 1.5;
}

.product-price {
    color: #F59E0B;
    font-weight: 600;
    font-size: 1.125rem;
    margin-bottom: 1.5rem;
}

.product-button {
    display: inline-block;
    background-color: #F59E0B;
    color: #FFFFFF;
    padding: 0.75rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    transition: background-color 0.3s ease;
    text-decoration: none;
}

.product-button:hover {
    background-color: #D97706;
}

/* About Preview */
.about-preview {
    padding: 5rem 0;
    background-color: #F9FAFB;
    text-align: center;
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
}

.about-text {
    font-size: 1.125rem;
    color: #6B7280;
    margin-bottom: 3rem;
    line-height: 1.6;
}

.about-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.about-visual svg {
    width: 100%;
    height: auto;
    max-width: 600px;
    border-radius: 12px;
}

/* Services */
.services {
    padding: 5rem 0;
    background-color: #FFFFFF;
    text-align: center;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    max-width: 1000px;
    margin: 0 auto;
}

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

.service-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 1.5rem;
}

.service-icon svg {
    width: 100%;
    height: 100%;
}

.service-title {
    color: #2C2C2C;
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.service-description {
    color: #6B7280;
    line-height: 1.6;
}

/* Categories */
.categories {
    padding: 5rem 0;
    background-color: #F9FAFB;
    text-align: center;
}

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

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

.category-visual {
    margin-bottom: 1rem;
    border-radius: 8px;
    overflow: hidden;
    background-color: #FFFFFF;
    border: 1px solid #E5E7EB;
}

.category-visual svg {
    width: 100%;
    height: auto;
}

.category-title {
    color: #2C2C2C;
    font-size: 1.125rem;
}

/* Installation */
.installation {
    padding: 5rem 0;
    background-color: #FFFFFF;
    text-align: center;
}

.installation-text {
    font-size: 1.125rem;
    color: #6B7280;
    max-width: 600px;
    margin: 0 auto 3rem;
    line-height: 1.6;
}

.installation-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    max-width: 800px;
    margin: 0 auto;
}

.installation-visual svg {
    width: 100%;
    height: auto;
    border-radius: 12px;
}

/* Corporate */
.corporate {
    padding: 5rem 0;
    background-color: #F9FAFB;
    text-align: center;
}

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

.corporate-text p {
    font-size: 1.125rem;
    color: #6B7280;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.corporate-features {
    list-style: none;
}

.corporate-features li {
    color: #6B7280;
    margin-bottom: 0.75rem;
    padding-left: 1.5rem;
    position: relative;
}

.corporate-features li:before {
    content: "•";
    color: #F59E0B;
    font-weight: bold;
    position: absolute;
    left: 0;
}

.corporate-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.corporate-visual svg {
    width: 100%;
    height: auto;
    max-width: 400px;
    border-radius: 12px;
}

/* Contacts */
.contacts {
    padding: 5rem 0;
    background-color: #FFFFFF;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    max-width: 800px;
    margin: 0 auto;
}

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

.contact-label {
    color: #F59E0B;
    margin-bottom: 0.5rem;
    font-size: 1.125rem;
    font-weight: 600;
}

.contact-value {
    color: #2C2C2C;
    font-size: 1.125rem;
    line-height: 1.5;
}

.contact-value a {
    color: #2C2C2C;
    transition: color 0.3s ease;
}

.contact-value a:hover {
    color: #F59E0B;
}

/* Footer */
.footer {
    background-color: #2C2C2C;
    color: #FFFFFF;
    padding: 3rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.footer-logo .logo {
    width: 40px;
    height: 40px;
}

.footer-brand {
    font-size: 1.25rem;
    font-weight: 600;
}

.footer-description {
    color: #D1D5DB;
    margin: 0;
    font-size: 0.95rem;
}

.footer-title {
    color: #F59E0B;
    margin-bottom: 1rem;
    font-size: 1.125rem;
    font-weight: 600;
}

.footer-links {
    list-style: none;
}

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

.footer-links a {
    color: #D1D5DB;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #F59E0B;
}

.footer-contact-info {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-contact {
    color: #D1D5DB;
    margin: 0;
}

.footer-contact a {
    color: #D1D5DB;
    transition: color 0.3s ease;
}

.footer-contact a:hover {
    color: #F59E0B;
}

.footer-bottom {
    border-top: 1px solid #4B5563;
    padding-top: 2rem;
    text-align: center;
}

.copyright {
    color: #9CA3AF;
    margin: 0;
}

/* Featured Products */
.featured-products {
    padding: 5rem 0;
    background-color: #FFFFFF;
    text-align: center;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.product-card {
    background-color: #FFFFFF;
    border: 1px solid #E5E7EB;
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    transition: box-shadow 0.3s ease, border-color 0.3s ease;
}

.product-card:hover {
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    border-color: #F59E0B;
}

.product-image-placeholder {
    background-color: #F3F4F6;
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    color: #9CA3AF;
    font-style: italic;
    margin-bottom: 1.5rem;
}

.product-title {
    color: #2C2C2C;
    margin-bottom: 1rem;
}

.product-description {
    color: #6B7280;
    margin-bottom: 2rem;
}

.product-button {
    display: inline-block;
    background-color: #F59E0B;
    color: #FFFFFF;
    padding: 0.75rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    transition: background-color 0.3s ease;
}

.product-button:hover {
    background-color: #D97706;
}

/* About Preview */
.about-preview {
    padding: 5rem 0;
    background-color: #F9FAFB;
    text-align: center;
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
}

.about-text {
    font-size: 1.125rem;
    color: #6B7280;
    margin-bottom: 3rem;
}

.about-image-placeholder {
    background-color: #E5E7EB;
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    color: #6B7280;
    font-style: italic;
}

/* Services */
.services {
    padding: 5rem 0;
    background-color: #FFFFFF;
    text-align: center;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    max-width: 1000px;
    margin: 0 auto;
}

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

.service-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 1.5rem;
}

.service-icon svg {
    width: 100%;
    height: 100%;
}

.service-title {
    color: #2C2C2C;
    margin-bottom: 1rem;
}

.service-description {
    color: #6B7280;
}

/* Categories */
.categories {
    padding: 5rem 0;
    background-color: #F9FAFB;
    text-align: center;
}

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

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

.category-image-placeholder {
    background-color: #E5E7EB;
    height: 150px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    color: #6B7280;
    font-style: italic;
    margin-bottom: 1rem;
}

.category-title {
    color: #2C2C2C;
}

/* Installation */
.installation {
    padding: 5rem 0;
    background-color: #FFFFFF;
    text-align: center;
}

.installation-text {
    font-size: 1.125rem;
    color: #6B7280;
    max-width: 600px;
    margin: 0 auto 3rem;
}

.installation-image-placeholder {
    background-color: #E5E7EB;
    height: 250px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    color: #6B7280;
    font-style: italic;
    max-width: 800px;
    margin: 0 auto;
}

/* Corporate */
.corporate {
    padding: 5rem 0;
    background-color: #F9FAFB;
    text-align: center;
}

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

.corporate-text p {
    font-size: 1.125rem;
    color: #6B7280;
    margin-bottom: 2rem;
}

.corporate-features {
    list-style: none;
}

.corporate-features li {
    color: #6B7280;
    margin-bottom: 0.75rem;
    padding-left: 1.5rem;
    position: relative;
}

.corporate-features li:before {
    content: "•";
    color: #F59E0B;
    font-weight: bold;
    position: absolute;
    left: 0;
}

.corporate-image-placeholder {
    background-color: #E5E7EB;
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    color: #6B7280;
    font-style: italic;
}

/* Contacts */
.contacts {
    padding: 5rem 0;
    background-color: #FFFFFF;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    max-width: 800px;
    margin: 0 auto;
}

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

.contact-label {
    color: #F59E0B;
    margin-bottom: 0.5rem;
    font-size: 1.125rem;
}

.contact-value {
    color: #2C2C2C;
    font-size: 1.125rem;
}

.contact-value a {
    color: #2C2C2C;
}

.contact-value a:hover {
    color: #F59E0B;
}

/* Footer */
.footer {
    background-color: #2C2C2C;
    color: #FFFFFF;
    padding: 3rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.footer-logo .logo {
    width: 40px;
    height: 40px;
}

.footer-brand {
    font-size: 1.25rem;
    font-weight: 600;
}

.footer-title {
    color: #F59E0B;
    margin-bottom: 1rem;
    font-size: 1.125rem;
}

.footer-links {
    list-style: none;
}

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

.footer-links a {
    color: #D1D5DB;
}

.footer-links a:hover {
    color: #F59E0B;
}

.footer-contact {
    color: #D1D5DB;
    margin-bottom: 0.5rem;
}

.footer-bottom {
    border-top: 1px solid #4B5563;
    padding-top: 2rem;
    text-align: center;
}

.copyright {
    color: #9CA3AF;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .hero-text {
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.125rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .brand-name {
        font-size: 1.5rem;
    }
    
    .corporate-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero {
        padding: 3rem 0;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .featured-products,
    .about-preview,
    .services,
    .categories,
    .installation,
    .corporate,
    .contacts {
        padding: 3rem 0;
    }
    
    .products-grid,
    .services-grid,
    .categories-grid {
        grid-template-columns: 1fr;
    }
    
    .logo-section {
        flex-direction: column;
        text-align: center;
    }
}