/* Chicago Comfort HVAC Services - Main Stylesheet */

/* CSS Variables for Consistent Theming */
:root {
    --primary-color: #0066cc;
    --secondary-color: #ff6600;
    --dark-blue: #003366;
    --light-blue: #e6f2ff;
    --text-dark: #333333;
    --text-light: #666666;
    --white: #ffffff;
    --gray-light: #f5f5f5;
    --gray-medium: #dddddd;
    --success-color: #28a745;
    --header-height: 80px;
}

/* Global 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);
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

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

/* Header Styles */
.site-header {
    background: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-top {
    background: var(--dark-blue);
    color: var(--white);
    padding: 10px 0;
    font-size: 14px;
}

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

.header-info {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
}

.header-info a {
    color: var(--white);
    display: flex;
    align-items: center;
    gap: 8px;
}

.header-info a:hover {
    color: var(--secondary-color);
}

.header-main {
    padding: 15px 0;
}

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

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

/* Navigation */
.main-nav ul {
    display: flex;
    gap: 30px;
    align-items: center;
}

.main-nav a {
    color: var(--text-dark);
    font-weight: 500;
    font-size: 16px;
    padding: 8px 0;
    position: relative;
}

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

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

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

/* Dropdown Menu */
.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--white);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    min-width: 280px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    padding: 10px 0;
    border-radius: 4px;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li {
    padding: 0;
}

.dropdown-menu a {
    display: block;
    padding: 12px 20px;
    color: var(--text-dark);
    font-size: 15px;
}

.dropdown-menu a:hover {
    background: var(--light-blue);
    color: var(--primary-color);
}

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

.mobile-menu-toggle span {
    display: block;
    width: 30px;
    height: 3px;
    background: var(--text-dark);
    transition: all 0.3s ease;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 5px;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    font-size: 16px;
}

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

.btn-primary:hover {
    background: var(--dark-blue);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,102,204,0.3);
}

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

.btn-secondary:hover {
    background: #e65500;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255,102,0,0.3);
}

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

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

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--dark-blue) 0%, var(--primary-color) 100%);
    color: var(--white);
    padding: 100px 0 80px;
    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"><circle cx="50" cy="50" r="40" fill="rgba(255,255,255,0.05)"/></svg>');
    opacity: 0.1;
}

.hero .container {
    position: relative;
    z-index: 1;
}

.hero-content {
    max-width: 600px;
}

.hero h1 {
    font-size: 48px;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero p {
    font-size: 20px;
    margin-bottom: 30px;
    opacity: 0.95;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

/* Trust Badges */
.trust-badges {
    background: var(--white);
    padding: 40px 0;
    border-bottom: 1px solid var(--gray-medium);
}

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

.badge-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.badge-icon {
    font-size: 40px;
    color: var(--primary-color);
}

.badge-item h3 {
    font-size: 18px;
    color: var(--text-dark);
}

.badge-item p {
    font-size: 14px;
    color: var(--text-light);
}

/* Section Styles */
.section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-subtitle {
    color: var(--primary-color);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 14px;
    margin-bottom: 10px;
}

.section-title {
    font-size: 40px;
    color: var(--text-dark);
    margin-bottom: 15px;
}

.section-description {
    font-size: 18px;
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto;
}

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

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

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    border-color: var(--primary-color);
}

.service-icon {
    font-size: 60px;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: var(--text-dark);
}

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

/* Why Choose Us */
.why-choose-us {
    background: var(--light-blue);
}

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

.feature-item {
    background: var(--white);
    padding: 30px;
    border-radius: 8px;
    display: flex;
    gap: 20px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.feature-icon {
    font-size: 40px;
    color: var(--secondary-color);
    flex-shrink: 0;
}

.feature-content h3 {
    font-size: 20px;
    margin-bottom: 10px;
    color: var(--text-dark);
}

.feature-content p {
    color: var(--text-light);
    font-size: 15px;
}

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

.testimonial-card {
    background: var(--white);
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    position: relative;
}

.testimonial-rating {
    color: var(--secondary-color);
    font-size: 18px;
    margin-bottom: 15px;
}

.testimonial-text {
    color: var(--text-light);
    font-style: italic;
    margin-bottom: 20px;
    line-height: 1.7;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 15px;
}

.author-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--primary-color);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 20px;
}

.author-info h4 {
    font-size: 16px;
    color: var(--text-dark);
    margin-bottom: 3px;
}

.author-info p {
    font-size: 13px;
    color: var(--text-light);
}

/* Service Areas */
.service-areas {
    background: var(--gray-light);
}

.areas-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.area-item {
    background: var(--white);
    padding: 20px;
    border-radius: 6px;
    text-align: center;
    border: 2px solid transparent;
    transition: all 0.3s ease;
}

.area-item:hover {
    border-color: var(--primary-color);
    transform: translateY(-3px);
}

.area-item h3 {
    font-size: 18px;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.area-item p {
    font-size: 14px;
    color: var(--text-light);
}

/* Contact Section */
.contact-section {
    background: var(--dark-blue);
    color: var(--white);
}

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

.contact-info h3 {
    font-size: 28px;
    margin-bottom: 20px;
}

.contact-info p {
    margin-bottom: 30px;
    opacity: 0.9;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
}

.contact-icon {
    font-size: 24px;
    color: var(--secondary-color);
    margin-top: 3px;
}

.contact-item-content h4 {
    font-size: 16px;
    margin-bottom: 5px;
}

.contact-item-content p,
.contact-item-content a {
    color: var(--white);
    opacity: 0.9;
}

.contact-item-content a:hover {
    color: var(--secondary-color);
}

/* Contact Form */
.contact-form {
    background: var(--white);
    padding: 40px;
    border-radius: 8px;
}

.contact-form h3 {
    color: var(--text-dark);
    font-size: 24px;
    margin-bottom: 20px;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-dark);
    font-weight: 500;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--gray-medium);
    border-radius: 5px;
    font-size: 15px;
    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;
}

/* Footer */
.site-footer {
    background: var(--text-dark);
    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: 20px;
    margin-bottom: 20px;
    color: var(--white);
}

.footer-section p {
    opacity: 0.8;
    line-height: 1.7;
}

.footer-section ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-section a {
    color: var(--white);
    opacity: 0.8;
    transition: all 0.3s ease;
}

.footer-section a:hover {
    opacity: 1;
    color: var(--secondary-color);
    padding-left: 5px;
}

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

.social-link {
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 20px;
    text-align: center;
    opacity: 0.7;
    font-size: 14px;
}

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

.service-hero h1 {
    font-size: 42px;
    margin-bottom: 15px;
}

.service-hero p {
    font-size: 18px;
    opacity: 0.9;
}

.breadcrumb {
    background: var(--gray-light);
    padding: 15px 0;
    font-size: 14px;
}

.breadcrumb a {
    color: var(--primary-color);
}

.breadcrumb a:hover {
    text-decoration: underline;
}

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

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

.service-detail h2 {
    font-size: 32px;
    color: var(--text-dark);
    margin-bottom: 20px;
}

.service-detail h3 {
    font-size: 24px;
    color: var(--text-dark);
    margin: 30px 0 15px;
}

.service-detail p {
    color: var(--text-light);
    margin-bottom: 15px;
    line-height: 1.7;
}

.service-detail ul {
    list-style: none;
    margin: 20px 0;
}

.service-detail ul li {
    padding: 10px 0 10px 30px;
    position: relative;
    color: var(--text-light);
}

.service-detail ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: bold;
    font-size: 18px;
}

.cta-box {
    background: var(--light-blue);
    padding: 40px;
    border-radius: 8px;
    text-align: center;
    margin-top: 40px;
}

.cta-box h3 {
    font-size: 28px;
    color: var(--text-dark);
    margin-bottom: 15px;
}

.cta-box p {
    font-size: 18px;
    color: var(--text-light);
    margin-bottom: 25px;
}

/* About Page */
.about-intro {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 60px;
}

.about-image {
    border-radius: 8px;
    overflow: hidden;
}

.about-image img {
    width: 100%;
    height: auto;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.value-card {
    background: var(--white);
    padding: 30px;
    border-radius: 8px;
    text-align: center;
    border: 2px solid var(--gray-medium);
    transition: all 0.3s ease;
}

.value-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.value-icon {
    font-size: 50px;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.value-card h3 {
    font-size: 20px;
    color: var(--text-dark);
    margin-bottom: 10px;
}

/* Responsive Design */
@media (max-width: 968px) {
    .main-nav {
        position: fixed;
        top: var(--header-height);
        left: -100%;
        width: 100%;
        height: calc(100vh - var(--header-height));
        background: var(--white);
        padding: 30px;
        transition: left 0.3s ease;
        overflow-y: auto;
    }
    
    .main-nav.active {
        left: 0;
    }
    
    .main-nav ul {
        flex-direction: column;
        gap: 0;
    }
    
    .main-nav li {
        width: 100%;
        border-bottom: 1px solid var(--gray-medium);
    }
    
    .main-nav a {
        display: block;
        padding: 15px 0;
    }
    
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        padding-left: 20px;
        display: none;
    }
    
    .dropdown.active .dropdown-menu {
        display: block;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero h1 {
        font-size: 36px;
    }
    
    .section-title {
        font-size: 32px;
    }
    
    .about-intro {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .header-top .container {
        justify-content: center;
    }
    
    .header-info {
        gap: 15px;
        font-size: 12px;
    }
    
    .hero {
        padding: 60px 0 40px;
    }
    
    .hero h1 {
        font-size: 28px;
    }
    
    .hero p {
        font-size: 16px;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-buttons .btn {
        width: 100%;
    }
    
    .section {
        padding: 50px 0;
    }
    
    .section-title {
        font-size: 26px;
    }
    
    .contact-form {
        padding: 30px 20px;
    }
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.mt-20 {
    margin-top: 20px;
}

.mb-20 {
    margin-bottom: 20px;
}

.d-none {
    display: none;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.6s ease-out;
}