/* ===================================
   Chicago Comfort HVAC Services
   Professional HVAC Website Styles
   =================================== */

/* CSS Variables for Consistent Theming */
:root {
    --primary-color: #0066cc;
    --secondary-color: #003d7a;
    --accent-color: #ff6600;
    --text-dark: #222222;
    --text-light: #666666;
    --white: #ffffff;
    --light-bg: #f8f9fa;
    --border-color: #e0e0e0;
    --success-color: #28a745;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 4px 20px rgba(0, 0, 0, 0.15);
}

/* Reset and 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: var(--text-dark);
    background-color: var(--white);
}

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

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

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

/* Header Styles */
.top-bar {
    background-color: var(--secondary-color);
    color: var(--white);
    padding: 10px 0;
    font-size: 0.9rem;
}

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

.contact-info {
    display: flex;
    gap: 25px;
    flex-wrap: wrap;
}

.contact-info span {
    display: flex;
    align-items: center;
    gap: 5px;
}

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

.social-links a {
    color: var(--white);
    transition: color 0.3s ease;
}

.social-links a:hover {
    color: var(--accent-color);
}

/* Main Header */
header {
    background-color: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.main-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

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

.logo {
    max-height: 60px;
    width: auto;
}

/* Navigation */
nav ul {
    display: flex;
    list-style: none;
    gap: 30px;
    align-items: center;
}

nav a {
    color: var(--text-dark);
    font-weight: 500;
    padding: 8px 0;
    position: relative;
}

nav a:hover,
nav a.active {
    color: var(--primary-color);
}

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

nav a:hover::after,
nav a.active::after {
    width: 100%;
}

.cta-header {
    background-color: var(--accent-color);
    color: var(--white);
    padding: 12px 25px;
    border-radius: 5px;
    font-weight: 600;
    transition: background-color 0.3s ease, transform 0.3s ease;
}

.cta-header:hover {
    background-color: #e55a00;
    transform: translateY(-2px);
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--text-dark);
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--white);
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 700px;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.95;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 15px 35px;
    border-radius: 5px;
    font-weight: 600;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    cursor: pointer;
}

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

.btn-primary:hover {
    background-color: #e55a00;
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

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

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

/* Trust Badges */
.trust-badges {
    background-color: var(--light-bg);
    padding: 40px 0;
}

.badges-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    text-align: center;
}

.badge-item {
    padding: 20px;
}

.badge-item i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.badge-item h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: var(--text-dark);
}

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

/* Services Section */
.services {
    padding: 80px 0;
}

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

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

.section-header p {
    font-size: 1.1rem;
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.service-card {
    background-color: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 40px 30px;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
}

.service-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-5px);
    border-color: var(--primary-color);
}

.service-card i {
    font-size: 3.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

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

.service-card p {
    color: var(--text-light);
    margin-bottom: 20px;
    line-height: 1.8;
}

.service-card .btn-link {
    color: var(--primary-color);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.service-card .btn-link:hover {
    color: var(--secondary-color);
}

/* About Section */
.about-preview {
    background-color: var(--light-bg);
    padding: 80px 0;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

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

.about-text p {
    color: var(--text-light);
    margin-bottom: 20px;
    line-height: 1.8;
}

.about-features {
    list-style: none;
    margin: 30px 0;
}

.about-features li {
    padding: 10px 0;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-dark);
}

.about-features li i {
    color: var(--success-color);
    font-size: 1.2rem;
}

.about-image {
    position: relative;
}

.about-image img {
    width: 100%;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

/* Testimonials Section */
.testimonials {
    padding: 80px 0;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.testimonial-card {
    background-color: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 30px;
    box-shadow: var(--shadow);
}

.testimonial-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.testimonial-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 600;
}

.testimonial-info h4 {
    color: var(--text-dark);
    margin-bottom: 5px;
}

.testimonial-rating {
    color: #ffc107;
}

.testimonial-text {
    color: var(--text-light);
    line-height: 1.8;
    font-style: italic;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--accent-color) 0%, #d84f00 100%);
    color: var(--white);
    padding: 80px 0;
    text-align: center;
}

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

.cta-section p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.95;
}

.cta-section .btn {
    background-color: var(--white);
    color: var(--accent-color);
    font-size: 1.1rem;
}

.cta-section .btn:hover {
    background-color: var(--light-bg);
    transform: translateY(-3px);
}

/* Footer */
footer {
    background-color: var(--secondary-color);
    color: var(--white);
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3 {
    font-size: 1.3rem;
    margin-bottom: 20px;
}

.footer-section p,
.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
}

.footer-section a:hover {
    color: var(--white);
}

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

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

.footer-contact-info {
    list-style: none;
}

.footer-contact-info li {
    margin-bottom: 15px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.footer-contact-info i {
    margin-top: 3px;
    color: var(--accent-color);
}

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

.footer-social a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

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

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

/* Service Detail Page */
.service-detail-hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--white);
    padding: 60px 0;
    text-align: center;
}

.service-detail-hero h1 {
    font-size: 2.8rem;
    margin-bottom: 15px;
}

.service-detail-content {
    padding: 60px 0;
}

.service-content-wrapper {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
}

.service-main-content h2 {
    font-size: 2rem;
    color: var(--text-dark);
    margin: 40px 0 20px;
}

.service-main-content h3 {
    font-size: 1.5rem;
    color: var(--text-dark);
    margin: 30px 0 15px;
}

.service-main-content p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 20px;
}

.service-main-content ul,
.service-main-content ol {
    margin: 20px 0;
    padding-left: 25px;
    color: var(--text-light);
}

.service-main-content li {
    margin-bottom: 10px;
    line-height: 1.8;
}

.service-sidebar {
    position: sticky;
    top: 100px;
}

.sidebar-card {
    background-color: var(--light-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 30px;
    margin-bottom: 30px;
}

.sidebar-card h3 {
    font-size: 1.3rem;
    color: var(--text-dark);
    margin-bottom: 20px;
}

.sidebar-card ul {
    list-style: none;
}

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

.sidebar-card ul li a {
    color: var(--text-light);
    display: block;
    padding: 10px;
    border-radius: 5px;
    transition: all 0.3s ease;
}

.sidebar-card ul li a:hover,
.sidebar-card ul li a.active {
    background-color: var(--primary-color);
    color: var(--white);
}

.contact-box {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 30px;
    border-radius: 8px;
    text-align: center;
}

.contact-box h3 {
    margin-bottom: 15px;
}

.contact-box p {
    margin-bottom: 20px;
    opacity: 0.9;
}

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

.contact-box .btn:hover {
    background-color: var(--light-bg);
}

/* FAQ Section */
.faq-section {
    margin: 40px 0;
}

.faq-item {
    background-color: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 15px;
    overflow: hidden;
}

.faq-question {
    width: 100%;
    background-color: var(--light-bg);
    border: none;
    padding: 20px;
    text-align: left;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-dark);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color 0.3s ease;
}

.faq-question:hover {
    background-color: #e9ecef;
}

.faq-question i {
    transition: transform 0.3s ease;
}

.faq-question.active i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-answer-content {
    padding: 20px;
    color: var(--text-light);
    line-height: 1.8;
}

/* Contact Page */
.contact-page {
    padding: 60px 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.contact-form {
    background-color: var(--white);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-dark);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.contact-info-section {
    background-color: var(--light-bg);
    padding: 40px;
    border-radius: 8px;
}

.contact-info-section h3 {
    font-size: 1.5rem;
    margin-bottom: 25px;
    color: var(--text-dark);
}

.info-item {
    margin-bottom: 25px;
    display: flex;
    align-items: flex-start;
    gap: 15px;
}

.info-item i {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-top: 3px;
}

.info-item-content h4 {
    color: var(--text-dark);
    margin-bottom: 5px;
}

.info-item-content p {
    color: var(--text-light);
}

.hours-list {
    list-style: none;
}

.hours-list li {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid var(--border-color);
}

.map-container {
    margin-top: 40px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.map-container iframe {
    width: 100%;
    height: 450px;
    border: none;
}

/* Blog Page */
.blog-page {
    padding: 60px 0;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 30px;
}

.blog-card {
    background-color: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.blog-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-5px);
}

.blog-card-image {
    width: 100%;
    height: 220px;
    background-color: var(--light-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.blog-card-image i {
    font-size: 4rem;
    color: var(--primary-color);
}

.blog-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.blog-card-content {
    padding: 25px;
}

.blog-card-meta {
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
    font-size: 0.9rem;
    color: var(--text-light);
}

.blog-card-meta span {
    display: flex;
    align-items: center;
    gap: 5px;
}

.blog-card h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.blog-card p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 15px;
}

.blog-card .btn-link {
    color: var(--primary-color);
    font-weight: 600;
}

.blog-card .btn-link:hover {
    color: var(--secondary-color);
}

/* About Page */
.about-page {
    padding: 60px 0;
}

.about-hero {
    background-color: var(--light-bg);
    padding: 60px 0;
    text-align: center;
    margin-bottom: 60px;
}

.about-hero h1 {
    font-size: 3rem;
    color: var(--text-dark);
    margin-bottom: 20px;
}

.about-hero p {
    font-size: 1.2rem;
    color: var(--text-light);
    max-width: 800px;
    margin: 0 auto;
}

.about-section {
    margin-bottom: 80px;
}

.about-section h2 {
    font-size: 2.5rem;
    color: var(--text-dark);
    margin-bottom: 30px;
    text-align: center;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.value-card {
    background-color: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 30px;
    text-align: center;
    transition: all 0.3s ease;
}

.value-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-5px);
}

.value-card i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

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

.value-card p {
    color: var(--text-light);
    line-height: 1.8;
}

/* Responsive Design */
@media (max-width: 968px) {
    .contact-grid,
    .about-content,
    .service-content-wrapper {
        grid-template-columns: 1fr;
    }
    
    .service-sidebar {
        position: static;
    }
}

@media (max-width: 768px) {
    .top-bar .container {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    nav ul {
        position: fixed;
        top: 0;
        left: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background-color: var(--white);
        flex-direction: column;
        padding: 80px 30px 30px;
        box-shadow: var(--shadow-hover);
        transition: left 0.3s ease;
        align-items: flex-start;
        gap: 0;
    }
    
    nav ul.active {
        left: 0;
    }
    
    nav ul li {
        width: 100%;
        border-bottom: 1px solid var(--border-color);
    }
    
    nav ul li a {
        display: block;
        padding: 15px 0;
    }
    
    .cta-header {
        margin-top: 20px;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .services-grid,
    .testimonials-grid,
    .blog-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
    
    .contact-info {
        flex-direction: column;
        gap: 10px;
    }
}