/* Chicago Comfort HVAC Services - Main Stylesheet */

/* Color Palette */
:root {
    --primary-blue: #1e3a8a;
    --secondary-blue: #2563eb;
    --accent-orange: #f97316;
    --dark-blue: #0f172a;
    --light-gray: #f8fafc;
    --medium-gray: #64748b;
    --white: #ffffff;
    --text-dark: #1e293b;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    overflow-x: hidden;
}

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

a {
    text-decoration: none;
    color: inherit;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 {
    font-size: 3rem;
}

h2 {
    font-size: 2.5rem;
}

h3 {
    font-size: 1.75rem;
}

p {
    margin-bottom: 1rem;
    line-height: 1.8;
}

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

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

.top-bar {
    background: var(--primary-blue);
    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;
}

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

.top-bar-info a {
    color: var(--white);
    transition: color 0.3s;
}

.top-bar-info a:hover {
    color: var(--accent-orange);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-blue);
}

.logo span {
    color: var(--accent-orange);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-menu a {
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.3s;
    position: relative;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--accent-orange);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-orange);
    transition: width 0.3s;
}

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

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--primary-blue);
    cursor: pointer;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    color: var(--white);
    padding: 120px 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"><rect width="100" height="100" fill="none"/><circle cx="50" cy="50" r="2" fill="white" opacity="0.1"/></svg>');
    opacity: 0.3;
}

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

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    animation: fadeInUp 0.8s ease-out;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    animation: fadeInUp 0.8s ease-out 0.2s;
    animation-fill-mode: backwards;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease-out 0.4s;
    animation-fill-mode: backwards;
}

.btn {
    display: inline-block;
    padding: 15px 35px;
    border-radius: 5px;
    font-weight: 600;
    transition: all 0.3s;
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

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

.btn-primary:hover {
    background: #ea580c;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(249, 115, 22, 0.4);
}

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

.btn-secondary:hover {
    background: var(--light-gray);
    transform: translateY(-2px);
}

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

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

.section-title {
    color: var(--primary-blue);
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--accent-orange);
    border-radius: 2px;
}

.section-subtitle {
    color: var(--medium-gray);
    font-size: 1.1rem;
    max-width: 700px;
    margin: 1.5rem auto 0;
}

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

.service-card {
    background: var(--white);
    border-radius: 10px;
    padding: 40px 30px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s;
    text-align: center;
    border: 2px solid transparent;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    border-color: var(--accent-orange);
}

.service-icon {
    font-size: 3rem;
    color: var(--accent-orange);
    margin-bottom: 1.5rem;
}

.service-card h3 {
    color: var(--primary-blue);
    margin-bottom: 1rem;
}

.service-card p {
    color: var(--medium-gray);
    margin-bottom: 1.5rem;
}

.service-card .btn {
    padding: 10px 25px;
    font-size: 0.9rem;
}

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

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

.feature-item {
    display: flex;
    gap: 20px;
    background: var(--white);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s;
}

.feature-item:hover {
    transform: translateX(10px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    font-size: 2.5rem;
    color: var(--accent-orange);
    flex-shrink: 0;
}

.feature-content h3 {
    color: var(--primary-blue);
    margin-bottom: 0.5rem;
    font-size: 1.3rem;
}

.feature-content p {
    color: var(--medium-gray);
    margin-bottom: 0;
}

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

.testimonial-card {
    background: var(--white);
    padding: 35px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    position: relative;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: 20px;
    left: 30px;
    font-size: 4rem;
    color: var(--accent-orange);
    opacity: 0.3;
    font-family: Georgia, serif;
}

.testimonial-text {
    color: var(--medium-gray);
    font-style: italic;
    margin-bottom: 1.5rem;
    position: relative;
    z-index: 1;
}

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

.author-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--primary-blue);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
}

.author-info h4 {
    color: var(--primary-blue);
    margin-bottom: 0.2rem;
    font-size: 1.1rem;
}

.author-location {
    color: var(--medium-gray);
    font-size: 0.9rem;
}

.stars {
    color: var(--accent-orange);
    margin-bottom: 0.5rem;
}

/* Contact Section */
.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.contact-info {
    background: var(--primary-blue);
    color: var(--white);
    padding: 50px;
    border-radius: 10px;
}

.contact-info h3 {
    color: var(--white);
    margin-bottom: 2rem;
}

.info-item {
    display: flex;
    gap: 20px;
    margin-bottom: 2rem;
}

.info-icon {
    font-size: 1.5rem;
    color: var(--accent-orange);
    flex-shrink: 0;
}

.info-content h4 {
    color: var(--white);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.info-content p {
    margin-bottom: 0.3rem;
    opacity: 0.9;
}

.business-hours {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

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

.hours-list li {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

/* Contact Form */
.contact-form {
    background: var(--white);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--primary-blue);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e2e8f0;
    border-radius: 5px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s;
}

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

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

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

.page-hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.breadcrumb {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 1rem;
    font-size: 0.9rem;
}

.breadcrumb a {
    color: rgba(255, 255, 255, 0.8);
    transition: color 0.3s;
}

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

.service-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 50px;
    margin-top: 50px;
}

.service-main {
    background: var(--white);
}

.service-main h2 {
    color: var(--primary-blue);
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.service-main ul {
    list-style: none;
    padding: 0;
}

.service-main ul li {
    padding: 10px 0 10px 30px;
    position: relative;
    color: var(--medium-gray);
}

.service-main ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-orange);
    font-weight: 700;
}

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

.sidebar-card {
    background: var(--light-gray);
    padding: 30px;
    border-radius: 10px;
    margin-bottom: 30px;
    border-left: 4px solid var(--accent-orange);
}

.sidebar-card h3 {
    color: var(--primary-blue);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.sidebar-card .btn {
    width: 100%;
    text-align: center;
}

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

.service-list li {
    padding: 12px 0;
    border-bottom: 1px solid #e2e8f0;
}

.service-list li:last-child {
    border-bottom: none;
}

.service-list a {
    color: var(--text-dark);
    display: block;
    transition: all 0.3s;
    padding-left: 15px;
    position: relative;
}

.service-list a::before {
    content: '→';
    position: absolute;
    left: 0;
    opacity: 0;
    transition: opacity 0.3s;
    color: var(--accent-orange);
}

.service-list a:hover {
    color: var(--accent-orange);
    padding-left: 25px;
}

.service-list a:hover::before {
    opacity: 1;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--accent-orange) 0%, #ea580c 100%);
    color: var(--white);
    padding: 80px 0;
    text-align: center;
}

.cta-section h2 {
    color: var(--white);
    margin-bottom: 1rem;
}

.cta-section p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

.cta-section .btn-secondary {
    background: var(--white);
    color: var(--accent-orange);
}

/* Footer */
.footer {
    background: var(--dark-blue);
    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 {
    color: var(--white);
    margin-bottom: 1.5rem;
}

.footer-section p,
.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    line-height: 2;
}

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

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

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

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 1rem;
}

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

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

/* Emergency Banner */
.emergency-banner {
    background: var(--accent-orange);
    color: var(--white);
    padding: 15px 0;
    text-align: center;
    font-weight: 600;
}

.emergency-banner a {
    color: var(--white);
    text-decoration: underline;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Design */
@media (max-width: 968px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 20px 0;
        gap: 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-menu li {
        padding: 15px 0;
        width: 100%;
    }

    .mobile-menu-toggle {
        display: block;
    }

    .contact-container,
    .service-content {
        grid-template-columns: 1fr;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .section {
        padding: 60px 0;
    }

    h2 {
        font-size: 2rem;
    }
}

@media (max-width: 640px) {
    .hero h1 {
        font-size: 2rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .cta-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        text-align: center;
    }

    .top-bar .container {
        justify-content: center;
    }

    .top-bar-info {
        gap: 15px;
        font-size: 0.85rem;
    }

    .services-grid,
    .features-grid,
    .testimonials-slider {
        grid-template-columns: 1fr;
    }
}