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

/* CSS Variables (Design System) */
:root {
    --background: hsl(0, 0%, 100%);
    --foreground: hsl(220, 13%, 18%);
    --primary: hsl(0, 72%, 51%);
    --primary-foreground: hsl(0, 0%, 100%);
    --secondary: hsl(210, 40%, 96.1%);
    --secondary-foreground: hsl(220, 13%, 18%);
    --muted: hsl(210, 40%, 96.1%);
    --muted-foreground: hsl(215.4, 16.3%, 46.9%);
    --accent: hsl(220, 13%, 18%);
    --accent-foreground: hsl(0, 0%, 100%);
    --border: hsl(214.3, 31.8%, 91.4%);
    --hero-overlay: hsla(220, 13%, 18%, 0.7);
    --nav-background: hsl(0, 0%, 100%);
    --text-light: hsl(0, 0%, 100%);
    --chinese-red: hsl(0, 72%, 51%);
    --business-gray: hsl(220, 13%, 18%);
    --subtle-gray: hsl(0, 0%, 96%);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--background);
    color: var(--foreground);
    line-height: 1.6;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Navigation Styles */
.navigation {
    background-color: var(--nav-background);
    border-bottom: 1px solid var(--border);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 50;
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1rem;
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 4rem;
}

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

.logo-image {
    height: 2.5rem;
    width: 2.5rem;
    margin-right: 0.75rem;
}

.logo-text {
    font-size: 1.25rem;
    font-weight: bold;
    color: var(--business-gray);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    color: var(--business-gray);
    text-decoration: none;
    transition: color 0.2s;
}

.nav-link:hover {
    color: var(--primary);
}

.contact-button {
    background-color: var(--primary);
    color: var(--primary-foreground);
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 0.375rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s;
}

.contact-button:hover {
    background-color: hsl(0, 72%, 46%);
}

.mobile-menu-button {
    display: none;
}

.menu-toggle {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.menu-icon {
    height: 1.5rem;
    width: 1.5rem;
    stroke: currentColor;
}

/* Hero Section */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-image: url('src/assets/hero-background.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: var(--hero-overlay);
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    padding: 0 1rem;
    max-width: 64rem;
    margin: 0 auto;
}

.hero-title {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.hero-highlight {
    color: var(--primary);
}

.hero-description {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
    max-width: 48rem;
    margin-left: auto;
    margin-right: auto;
}

.hero-button {
    background-color: var(--primary);
    color: white;
    border: none;
    padding: 1rem 2rem;
    font-size: 1.125rem;
    border-radius: 9999px;
    cursor: pointer;
    transition: background-color 0.2s;
}

.hero-button:hover {
    background-color: hsl(0, 72%, 46%);
}

/* Services Section */
.services-section {
    padding: 5rem 0;
    background-color: var(--subtle-gray);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.25rem;
    font-weight: bold;
    color: var(--business-gray);
    margin-bottom: 1rem;
}

.section-description {
    font-size: 1.125rem;
    color: var(--muted-foreground);
    max-width: 32rem;
    margin: 0 auto;
}

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

.service-card {
    background-color: var(--background);
    border-radius: 0.5rem;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    transition: box-shadow 0.3s, transform 0.3s;
}

.service-card:hover {
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
    transform: translateY(-2px);
}

.service-image-container {
    position: relative;
    overflow: hidden;
}

.service-image {
    width: 100%;
    height: 12rem;
    object-fit: cover;
    transition: transform 0.3s;
}

.service-card:hover .service-image {
    transform: scale(1.05);
}

.service-content {
    padding: 1.5rem;
}

.service-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--business-gray);
    margin-bottom: 0.5rem;
}

.service-description {
    color: var(--muted-foreground);
    margin-bottom: 1rem;
}

.service-details {
    font-size: 0.875rem;
    color: var(--muted-foreground);
}

/* About Section */
.about-section {
    padding: 5rem 0;
    background-color: var(--background);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.about-title {
    font-size: 2.25rem;
    font-weight: bold;
    color: var(--business-gray);
    margin-bottom: 1.5rem;
}

.about-description {
    font-size: 1.125rem;
    color: var(--muted-foreground);
    margin-bottom: 1.5rem;
}

.about-text {
    color: var(--muted-foreground);
    margin-bottom: 2rem;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.feature-item {
    display: flex;
    align-items: center;
}

.feature-dot {
    width: 0.5rem;
    height: 0.5rem;
    background-color: var(--primary);
    border-radius: 50%;
    margin-right: 0.75rem;
}

.about-card {
    background: linear-gradient(135deg, rgba(220, 38, 38, 0.1), rgba(220, 38, 38, 0.05));
    border-radius: 0.5rem;
    padding: 2rem;
}

.about-card-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--business-gray);
    margin-bottom: 1rem;
}

.about-card-description {
    color: var(--muted-foreground);
    margin-bottom: 1.5rem;
}

.about-card-highlight {
    background-color: var(--background);
    border-radius: 0.5rem;
    padding: 1.5rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.highlight-title {
    font-weight: 600;
    color: var(--business-gray);
    margin-bottom: 0.5rem;
}

.highlight-text {
    font-size: 0.875rem;
    color: var(--muted-foreground);
}

/* Footer */
.footer {
    background-color: var(--business-gray);
    color: var(--text-light);
    padding: 3rem 0;
}

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

.footer-company {
    max-width: 24rem;
}

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

.footer-logo-image {
    height: 2.5rem;
    width: 2.5rem;
    margin-right: 0.75rem;
}

.footer-logo-text {
    font-size: 1.25rem;
    font-weight: bold;
}

.footer-description {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 1rem;
}

.footer-contact-button {
    background: none;
    border: 1px solid var(--text-light);
    color: var(--text-light);
    padding: 0.5rem 1rem;
    border-radius: 0.375rem;
    cursor: pointer;
    transition: all 0.2s;
}

.footer-contact-button:hover {
    background-color: var(--text-light);
    color: var(--business-gray);
}

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

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-link {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.2s;
}

.footer-link:hover {
    color: var(--text-light);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: 2rem;
    text-align: center;
}

.footer-copyright {
    color: rgba(255, 255, 255, 0.6);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-button {
        display: block;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-description {
        font-size: 1.125rem;
    }
    
    .section-title {
        font-size: 1.875rem;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (min-width: 768px) {
    .container {
        padding: 0 1.5rem;
    }
    
    .nav-container {
        padding: 0 1.5rem;
    }
    
    .hero-title {
        font-size: 3.75rem;
    }
    
    .hero-description {
        font-size: 1.5rem;
    }
    
    .section-title {
        font-size: 2.5rem;
    }
}

@media (min-width: 1024px) {
    .container {
        padding: 0 2rem;
    }
    
    .nav-container {
        padding: 0 2rem;
    }
}

/* Mobile-first approach */
@media (max-width: 768px) {
  /* Navigation */
  .desktop-nav { display: none; }
  .mobile-nav { display: block; }
  
  /* Hero section */
  .hero-text { font-size: clamp(1.5rem, 5vw, 3rem); }
  
  /* Services grid */
  .services-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  
  /* Touch targets */
  .btn, .nav-link {
    min-height: 48px;
    padding: 12px 24px;
  }
}

/* Fluid images */
img {
  max-width: 100%;
  height: auto;
}