/**
 * Laser Cleaned Website - Main Stylesheet
 * Modern, professional industrial design
 */

/* ===================================
   CSS Variables & Reset
   =================================== */

:root {
    /* Colors */
    --primary-color: #1a5490;
    --primary-dark: #0f3d6b;
    --primary-light: #2570c0;
    --secondary-color: #e74c3c;
    --accent-color: #f39c12;
    
    --text-color: #2c3e50;
    --text-light: #7f8c8d;
    --heading-color: #1a252f;
    
    --bg-white: #ffffff;
    --bg-light: #f8f9fa;
    --bg-dark: #1a252f;
    --bg-section: #ecf0f1;
    
    --border-color: #dfe6e9;
    --shadow-color: rgba(0, 0, 0, 0.1);
    
    /* Typography */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen-Sans, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;
    --font-heading: 'Segoe UI', -apple-system, BlinkMacSystemFont, Roboto, sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2.5rem;
    --spacing-xl: 4rem;
    
    /* Container */
    --container-width: 1200px;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    
    /* Transitions */
    --transition: all 0.3s ease;
}

/* Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-white);
}

/* ===================================
   Typography
   =================================== */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--heading-color);
    margin-bottom: var(--spacing-sm);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.1rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: var(--spacing-sm);
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--primary-dark);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ===================================
   Layout
   =================================== */

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.site-main {
    min-height: 60vh;
}

.section {
    padding: var(--spacing-xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-header h2 {
    font-size: 2.25rem;
    margin-bottom: var(--spacing-sm);
}

.section-header p {
    font-size: 1.125rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* ===================================
   Header
   =================================== */

.site-header {
    background: var(--bg-white);
    box-shadow: 0 2px 10px var(--shadow-color);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-top {
    background: var(--bg-dark);
    color: white;
    padding: var(--spacing-xs) 0;
    font-size: 0.9rem;
}

.header-contact {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: flex-end;
}

.header-contact .contact-item {
    color: white;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.header-contact .contact-item:hover {
    color: var(--accent-color);
}

.header-main {
    padding: var(--spacing-sm) 0;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
}

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

.main-nav {
    flex: 1;
    display: flex;
    justify-content: center;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
}

.nav-menu a {
    color: var(--text-color);
    font-weight: 500;
    padding: 0.5rem 0;
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

.nav-menu a:hover::after {
    width: 100%;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--text-color);
    transition: var(--transition);
}

/* ===================================
   Buttons
   =================================== */

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    text-align: center;
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    font-size: 1rem;
    text-decoration: none;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.btn-primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    color: white;
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-secondary:hover {
    background: var(--primary-color);
    color: white;
}

.btn-outline {
    background: transparent;
    color: var(--text-color);
    border-color: var(--border-color);
}

.btn-outline:hover {
    background: var(--bg-light);
    border-color: var(--text-color);
}

/* ===================================
   Hero Section
   =================================== */

.hero {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
    color: white;
    padding: var(--spacing-xl) 0;
    text-align: center;
}

.hero-content {
    padding: var(--spacing-xl) 0;
}

.hero h1 {
    color: white;
    font-size: 2.75rem;
    margin-bottom: var(--spacing-md);
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.hero-subheadline {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-lg);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0.95;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.hero-cta .btn {
    min-width: 180px;
}

.hero-cta .btn-secondary {
    background: white;
    color: var(--primary-color);
    border-color: white;
}

.hero-cta .btn-secondary:hover {
    background: var(--bg-light);
}

/* ===================================
   Services Grid
   =================================== */

.services-overview {
    background: var(--bg-light);
    padding: var(--spacing-xl) 0;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.service-card {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 6px var(--shadow-color);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px var(--shadow-color);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.service-card h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--heading-color);
}

.service-card p {
    color: var(--text-light);
    margin-bottom: var(--spacing-md);
}

.card-link {
    color: var(--primary-color);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.card-link:hover {
    gap: 0.75rem;
}

/* ===================================
   Why Section
   =================================== */

.why-laser-cleaning {
    padding: var(--spacing-xl) 0;
}

.two-column {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.column-content h2 {
    margin-bottom: var(--spacing-md);
}

.benefits-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.benefit-item {
    display: flex;
    gap: var(--spacing-sm);
    align-items: flex-start;
}

.benefit-icon {
    font-size: 1.5rem;
    color: var(--primary-color);
    flex-shrink: 0;
}

.benefit-item strong {
    display: block;
    color: var(--heading-color);
    margin-bottom: 0.25rem;
}

.benefit-item p {
    color: var(--text-light);
    margin: 0;
}

.column-image img {
    border-radius: var(--radius-lg);
    box-shadow: 0 8px 20px var(--shadow-color);
}

/* ===================================
   Applications Grid
   =================================== */

.applications {
    background: var(--bg-section);
    padding: var(--spacing-xl) 0;
}

.applications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.application-item {
    background: white;
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--primary-color);
}

.application-item h3 {
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
}

.application-item p {
    color: var(--text-light);
    font-size: 0.95rem;
    margin: 0;
}

/* ===================================
   Industries Grid
   =================================== */

.industries-served {
    padding: var(--spacing-xl) 0;
}

.industries-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.industry-card {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 2px solid var(--border-color);
    transition: var(--transition);
    display: block;
    color: var(--text-color);
}

.industry-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: 0 6px 12px var(--shadow-color);
}

.industry-card h3 {
    color: var(--heading-color);
    margin-bottom: var(--spacing-xs);
}

.industry-card p {
    color: var(--text-light);
    margin: 0;
}

/* ===================================
   Service Areas
   =================================== */

.service-areas {
    background: var(--bg-light);
    padding: var(--spacing-xl) 0;
}

.service-areas-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
}

.state-section h3 {
    margin-bottom: var(--spacing-md);
    color: var(--heading-color);
}

.cities-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xs) var(--spacing-md);
}

.cities-list a {
    color: var(--text-color);
    padding: 0.5rem 0;
    border-bottom: 1px solid transparent;
    transition: var(--transition);
}

.cities-list a:hover {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

/* ===================================
   Process Steps
   =================================== */

.process {
    padding: var(--spacing-xl) 0;
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.process-step {
    text-align: center;
    padding: var(--spacing-lg);
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto var(--spacing-md);
}

.process-step h3 {
    margin-bottom: var(--spacing-sm);
}

.process-step p {
    color: var(--text-light);
    margin: 0;
}

/* ===================================
   FAQ Section
   =================================== */

.faq-section {
    background: var(--bg-section);
    padding: var(--spacing-xl) 0;
}

.faq-items {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: white;
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    overflow: hidden;
}

.faq-question {
    padding: var(--spacing-md);
    cursor: pointer;
    position: relative;
    margin: 0;
    font-size: 1.125rem;
}

.faq-question::after {
    content: '+';
    position: absolute;
    right: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.5rem;
    color: var(--primary-color);
}

.faq-item.active .faq-question::after {
    content: '−';
}

.faq-answer {
    padding: 0 var(--spacing-md) var(--spacing-md);
    display: none;
}

.faq-item.active .faq-answer {
    display: block;
}

.faq-answer p {
    color: var(--text-light);
    margin: 0;
}

/* ===================================
   Final CTA
   =================================== */

.final-cta {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
    color: white;
    text-align: center;
    padding: var(--spacing-xl) 0;
}

.final-cta h2 {
    color: white;
    font-size: 2.25rem;
    margin-bottom: var(--spacing-sm);
}

.final-cta p {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.95;
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* ===================================
   Footer
   =================================== */

.site-footer {
    background: var(--bg-dark);
    color: #ecf0f1;
}

.footer-main {
    padding: var(--spacing-xl) 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-xl);
}

.footer-column h3,
.footer-column h4 {
    color: white;
    margin-bottom: var(--spacing-md);
}

.footer-column p {
    color: #bdc3c7;
}

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

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

.footer-column ul li a {
    color: #bdc3c7;
}

.footer-column ul li a:hover {
    color: white;
}

.footer-contact a {
    color: var(--accent-color);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--spacing-md) 0;
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-legal {
    display: flex;
    gap: var(--spacing-md);
}

.footer-legal a {
    color: #bdc3c7;
}

.footer-legal a:hover {
    color: white;
}

/* ===================================
   Sticky Mobile CTA
   =================================== */

.sticky-mobile-cta {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    display: none;
    background: white;
    box-shadow: 0 -2px 10px var(--shadow-color);
    z-index: 999;
}

.mobile-cta-btn {
    flex: 1;
    padding: var(--spacing-sm);
    text-align: center;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    border: none;
}

.mobile-cta-call {
    background: var(--secondary-color);
    color: white;
}

.mobile-cta-quote {
    background: var(--primary-color);
    color: white;
}

/* ===================================
   Section CTA
   =================================== */

.section-cta {
    text-align: center;
    margin-top: var(--spacing-lg);
}

/* ===================================
   Responsive Design
   =================================== */

@media (max-width: 968px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .service-areas-content {
        grid-template-columns: 1fr;
    }
    
    .two-column {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    
    .hero h1 { font-size: 2rem; }
    .hero-subheadline { font-size: 1.125rem; }
    
    .main-nav {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .header-cta .btn {
        font-size: 0.9rem;
        padding: 0.5rem 1rem;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom-content {
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
    }
    
    .sticky-mobile-cta {
        display: flex;
    }
    
    .cities-list {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-cta .btn {
        width: 100%;
    }
}