/* ===================================
   Chicago Comfort HVAC Services
   Main Stylesheet
   =================================== */

/* CSS Variables */
:root {
    --primary-color: #0066cc;
    --secondary-color: #ff6b35;
    --dark-blue: #003d7a;
    --light-blue: #e6f2ff;
    --text-dark: #1a1a1a;
    --text-gray: #666666;
    --border-color: #e0e0e0;
    --white: #ffffff;
    --success: #28a745;
    --danger: #dc3545;
    --warning: #ffc107;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 16px;
    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;
    transition: all 0.3s ease;
}

ul {
    list-style: none;
}

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

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

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

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

.logo img {
    height: 60px;
    width: auto;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-menu a {
    font-weight: 500;
    color: var(--text-dark);
    padding: 10px 0;
    position: relative;
}

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

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

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

.has-dropdown > a {
    display: flex;
    align-items: center;
    gap: 5px;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--white);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    min-width: 250px;
    padding: 10px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
}

.has-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);
}

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

.dropdown-menu a::after {
    display: none;
}

.nav-contact .phone-btn {
    background: var(--secondary-color);
    color: var(--white);
    padding: 12px 25px;
    border-radius: 5px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-contact .phone-btn:hover {
    background: #ff5722;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.3);
}

/* 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 {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    transition: all 0.3s ease;
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    position: relative;
    min-height: 600px;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--dark-blue) 0%, var(--primary-color) 100%);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ffffff" fill-opacity="0.1" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,122.7C672,117,768,139,864,154.7C960,171,1056,181,1152,165.3C1248,149,1344,107,1392,85.3L1440,64L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') bottom center no-repeat;
    background-size: cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 61, 122, 0.1);
}

.hero-content {
    position: relative;
    z-index: 1;
    padding: 80px 0;
}

.hero-text {
    max-width: 700px;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--white);
    margin-bottom: 15px;
    font-weight: 600;
}

.hero-description {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 30px;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    margin-bottom: 30px;
}

.hero-features {
    display: flex;
    gap: 25px;
    flex-wrap: wrap;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--white);
    font-weight: 500;
}

.feature-item i {
    color: var(--secondary-color);
    font-size: 1.2rem;
}

/* ===================================
   Buttons
   =================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 30px;
    border-radius: 5px;
    font-weight: 600;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
}

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

.btn-primary:hover {
    background: #ff5722;
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(255, 107, 53, 0.4);
}

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

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

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

.btn-white:hover {
    background: var(--light-blue);
}

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

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

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

.btn-emergency:hover {
    background: #c82333;
}

.btn-emergency-large {
    padding: 18px 40px;
    font-size: 1.2rem;
    background: var(--danger);
    color: var(--white);
}

.btn-emergency-large:hover {
    background: #c82333;
    transform: scale(1.05);
}

/* ===================================
   Sections
   =================================== */
section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 50px;
}

.section-label {
    display: inline-block;
    color: var(--primary-color);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 1px;
    margin-bottom: 10px;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 15px;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--text-gray);
}

/* ===================================
   Services Section
   =================================== */
.services {
    background: #f8f9fa;
}

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

.service-card {
    background: var(--white);
    padding: 35px;
    border-radius: 10px;
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

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

.service-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.service-icon i {
    font-size: 2rem;
    color: var(--white);
}

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

.service-card p {
    color: var(--text-gray);
    margin-bottom: 20px;
    line-height: 1.7;
}

.service-link {
    color: var(--primary-color);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.service-link:hover {
    gap: 12px;
}

/* ===================================
   Why Us Section
   =================================== */
.why-us {
    background: var(--white);
}

.why-us-content {
    max-width: 1000px;
    margin: 0 auto;
}

.why-us-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.why-item {
    display: flex;
    gap: 20px;
    align-items: start;
}

.why-item i {
    font-size: 2rem;
    color: var(--secondary-color);
    flex-shrink: 0;
}

.why-item h4 {
    font-size: 1.2rem;
    margin-bottom: 5px;
    color: var(--text-dark);
}

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

/* ===================================
   Testimonials Section
   =================================== */
.testimonials {
    background: var(--light-blue);
}

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

.testimonial-card {
    background: var(--white);
    padding: 35px;
    border-radius: 10px;
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.08);
}

.stars {
    color: var(--warning);
    margin-bottom: 20px;
    font-size: 1.2rem;
}

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

.testimonial-author h4 {
    color: var(--text-dark);
    font-weight: 600;
}

/* ===================================
   Service Areas Section
   =================================== */
.service-areas {
    background: var(--white);
}

.areas-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    max-width: 1000px;
    margin: 0 auto;
}

.area-column h3 {
    color: var(--primary-color);
    font-size: 1.3rem;
    margin-bottom: 20px;
    border-bottom: 2px solid var(--secondary-color);
    padding-bottom: 10px;
}

.area-column ul li {
    padding: 10px 0;
    color: var(--text-gray);
    border-bottom: 1px solid var(--border-color);
}

.area-column ul li:last-child {
    border-bottom: none;
}

/* ===================================
   CTA Section
   =================================== */
.cta {
    background: linear-gradient(135deg, var(--dark-blue) 0%, var(--primary-color) 100%);
    text-align: center;
    color: var(--white);
}

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.cta-content p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ===================================
   Footer
   =================================== */
.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-logo img {
    height: 50px;
    margin-bottom: 20px;
}

.footer-column p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 20px;
    line-height: 1.7;
}

.footer-column h3 {
    color: var(--white);
    font-size: 1.2rem;
    margin-bottom: 20px;
}

.footer-column ul li {
    margin-bottom: 12px;
}

.footer-column ul li a {
    color: rgba(255, 255, 255, 0.7);
}

.footer-column ul li a:hover {
    color: var(--secondary-color);
    padding-left: 5px;
}

.contact-info li {
    display: flex;
    align-items: start;
    gap: 12px;
    margin-bottom: 15px;
}

.contact-info i {
    color: var(--secondary-color);
    font-size: 1.1rem;
    margin-top: 3px;
}

.business-hours {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.business-hours h4 {
    color: var(--white);
    margin-bottom: 10px;
}

.business-hours p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    margin-bottom: 5px;
}

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

.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 ease;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.5);
}

/* ===================================
   Page Header
   =================================== */
.page-header {
    background: linear-gradient(135deg, var(--dark-blue) 0%, var(--primary-color) 100%);
    padding: 80px 0;
    text-align: center;
    color: var(--white);
}

.page-header h1 {
    font-size: 2.8rem;
    margin-bottom: 15px;
}

.page-header p {
    font-size: 1.2rem;
    opacity: 0.9;
}

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

.about-intro {
    max-width: 900px;
    margin: 0 auto;
}

.about-text h2 {
    font-size: 2.2rem;
    color: var(--text-dark);
    margin-bottom: 20px;
}

.about-text p {
    font-size: 1.1rem;
    color: var(--text-gray);
    margin-bottom: 20px;
    line-height: 1.8;
}

.our-story {
    background: #f8f9fa;
    padding: 80px 0;
}

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

.story-content h2 {
    font-size: 2.2rem;
    margin-bottom: 20px;
}

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

.story-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.stat-item {
    background: var(--white);
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.08);
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.stat-label {
    color: var(--text-gray);
    font-weight: 500;
}

.our-values {
    padding: 80px 0;
}

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

.value-card {
    padding: 30px;
    text-align: center;
}

.value-icon {
    width: 80px;
    height: 80px;
    background: var(--light-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.value-icon i {
    font-size: 2.5rem;
    color: var(--primary-color);
}

.value-card h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
}

.value-card p {
    color: var(--text-gray);
    line-height: 1.7;
}

.certifications {
    background: #f8f9fa;
    padding: 80px 0;
}

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

.cert-item {
    background: var(--white);
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.08);
}

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

.cert-item h4 {
    font-size: 1.2rem;
    margin-bottom: 10px;
}

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

.why-choose-about {
    padding: 80px 0;
}

.why-content {
    max-width: 900px;
    margin: 0 auto;
}

.why-text h2 {
    font-size: 2.2rem;
    margin-bottom: 30px;
}

.why-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.why-list li {
    display: flex;
    gap: 15px;
    align-items: start;
}

.why-list i {
    color: var(--success);
    font-size: 1.3rem;
    flex-shrink: 0;
    margin-top: 3px;
}

.why-list span {
    color: var(--text-gray);
    line-height: 1.7;
}

.why-list strong {
    color: var(--text-dark);
}

/* ===================================
   Contact Page
   =================================== */
.contact-section {
    padding: 80px 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 50px;
}

.contact-form-wrapper h2 {
    font-size: 2rem;
    margin-bottom: 15px;
}

.contact-form-wrapper > p {
    color: var(--text-gray);
    margin-bottom: 30px;
}

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-weight: 600;
    color: var(--text-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px 15px;
    border: 2px 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 select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-success {
    background: var(--light-blue);
    border: 2px solid var(--primary-color);
    border-radius: 10px;
    padding: 40px;
    text-align: center;
}

.form-success i {
    font-size: 4rem;
    color: var(--success);
    margin-bottom: 20px;
}

.form-success h3 {
    font-size: 2rem;
    margin-bottom: 10px;
}

.form-success p {
    color: var(--text-gray);
}

.contact-info-wrapper {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.contact-info-card,
.hours-card,
.emergency-card {
    background: #f8f9fa;
    padding: 30px;
    border-radius: 10px;
}

.contact-info-card h3,
.hours-card h3,
.emergency-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.contact-info-card p {
    color: var(--text-gray);
    margin-bottom: 25px;
}

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

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

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon i {
    color: var(--white);
    font-size: 1.2rem;
}

.contact-text h4 {
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.contact-text a,
.contact-text p {
    color: var(--text-gray);
}

.contact-text a:hover {
    color: var(--primary-color);
}

.hours-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.hours-item {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid var(--border-color);
}

.hours-item:last-child {
    border-bottom: none;
}

.hours-item .day {
    font-weight: 600;
    color: var(--text-dark);
}

.hours-item .time {
    color: var(--text-gray);
}

.hours-item.closed .time {
    color: var(--danger);
    font-weight: 600;
}

.emergency-card {
    background: linear-gradient(135deg, var(--danger), #ff6b6b);
    color: var(--white);
    text-align: center;
}

.emergency-card i {
    font-size: 3rem;
    margin-bottom: 15px;
}

.emergency-card h3 {
    color: var(--white);
}

.emergency-card p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 20px;
}

.map-section {
    padding: 60px 0;
    background: #f8f9fa;
}

.map-section h2 {
    text-align: center;
    font-size: 2.2rem;
    margin-bottom: 10px;
}

.map-section > .container > p {
    text-align: center;
    color: var(--text-gray);
    margin-bottom: 40px;
}

.map-container {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.service-areas-contact {
    padding: 80px 0;
}

.faq-section {
    background: #f8f9fa;
    padding: 80px 0;
}

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

.faq-item {
    background: var(--white);
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.08);
}

.faq-item h3 {
    font-size: 1.2rem;
    margin-bottom: 15px;
    display: flex;
    align-items: start;
    gap: 10px;
    color: var(--text-dark);
}

.faq-item h3 i {
    color: var(--primary-color);
    flex-shrink: 0;
}

.faq-item p {
    color: var(--text-gray);
    line-height: 1.7;
}

/* ===================================
   Service Pages
   =================================== */
.service-hero {
    position: relative;
    min-height: 400px;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--dark-blue) 0%, var(--primary-color) 100%);
}

.service-hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 61, 122, 0.1);
}

.service-hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: var(--white);
    max-width: 800px;
    margin: 0 auto;
}

.service-hero-content h1 {
    font-size: 2.8rem;
    margin-bottom: 20px;
}

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

.service-overview {
    padding: 80px 0;
}

.overview-content {
    max-width: 900px;
    margin: 0 auto;
}

.overview-text h2 {
    font-size: 2.2rem;
    margin-bottom: 20px;
}

.overview-text p {
    font-size: 1.1rem;
    color: var(--text-gray);
    margin-bottom: 20px;
    line-height: 1.8;
}

.check-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 15px;
    margin-top: 30px;
}

.check-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-gray);
}

.check-list i {
    color: var(--success);
    font-size: 1.2rem;
}

.services-offered {
    background: #f8f9fa;
    padding: 80px 0;
}

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

.service-detail-card {
    background: var(--white);
    padding: 35px;
    border-radius: 10px;
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.08);
}

.detail-icon {
    width: 60px;
    height: 60px;
    background: var(--light-blue);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.detail-icon i {
    font-size: 1.8rem;
    color: var(--primary-color);
}

.service-detail-card h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
}

.service-detail-card p {
    color: var(--text-gray);
    margin-bottom: 20px;
    line-height: 1.7;
}

.service-detail-card ul {
    list-style: none;
}

.service-detail-card ul li {
    padding-left: 25px;
    position: relative;
    margin-bottom: 10px;
    color: var(--text-gray);
}

.service-detail-card ul li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-weight: bold;
}

.signs-section {
    padding: 80px 0;
}

.section-intro {
    text-align: center;
    font-size: 1.1rem;
    color: var(--text-gray);
    margin-bottom: 40px;
}

.signs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
}

.sign-item {
    background: #f8f9fa;
    padding: 25px;
    border-radius: 10px;
    text-align: center;
}

.sign-item i {
    font-size: 2.5rem;
    color: var(--warning);
    margin-bottom: 15px;
}

.sign-item h4 {
    font-size: 1.2rem;
    margin-bottom: 10px;
}

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

.brands-section {
    background: var(--white);
    padding: 80px 0;
    text-align: center;
}

.brands-section h2 {
    font-size: 2.2rem;
    margin-bottom: 10px;
}

.brands-section > .container > p {
    color: var(--text-gray);
    margin-bottom: 40px;
}

.brands-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 20px;
    max-width: 900px;
    margin: 0 auto;
}

.brand-item {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 8px;
    font-weight: 600;
    color: var(--text-dark);
    transition: all 0.3s ease;
}

.brand-item:hover {
    background: var(--light-blue);
    color: var(--primary-color);
    transform: translateY(-3px);
}

.why-service {
    background: var(--light-blue);
    padding: 80px 0;
}

.why-service h2 {
    text-align: center;
    font-size: 2.2rem;
    margin-bottom: 50px;
}

.why-service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.why-service-item {
    background: var(--white);
    padding: 35px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.08);
}

.why-service-item i {
    font-size: 3rem;
    color: var(--secondary-color);
    margin-bottom: 20px;
}

.why-service-item h4 {
    font-size: 1.3rem;
    margin-bottom: 10px;
}

.why-service-item p {
    color: var(--text-gray);
}

.boiler-types,
.ac-types {
    padding: 80px 0;
    background: #f8f9fa;
}

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

.type-card {
    background: var(--white);
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.08);
}

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

.type-card h4 {
    font-size: 1.3rem;
    margin-bottom: 10px;
}

.type-card p {
    color: var(--text-gray);
}

.emergency-service {
    background: linear-gradient(135deg, var(--danger), #ff6b6b);
    padding: 60px 0;
}

.emergency-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    flex-wrap: wrap;
}

.emergency-icon i {
    font-size: 5rem;
    color: rgba(255, 255, 255, 0.9);
}

.emergency-text {
    flex: 1;
    color: var(--white);
}

.emergency-text h2 {
    font-size: 2.2rem;
    margin-bottom: 15px;
}

.emergency-text p {
    font-size: 1.1rem;
    opacity: 0.95;
}

.emergency-cta {
    flex-shrink: 0;
}

.efficiency-section {
    padding: 80px 0;
    background: #f8f9fa;
}

.efficiency-content h2 {
    text-align: center;
    font-size: 2.2rem;
    margin-bottom: 15px;
}

.efficiency-content > p {
    text-align: center;
    color: var(--text-gray);
    font-size: 1.1rem;
    margin-bottom: 40px;
}

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

.efficiency-item {
    background: var(--white);
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.08);
}

.efficiency-item i {
    font-size: 3rem;
    color: var(--success);
    margin-bottom: 20px;
}

.efficiency-item h4 {
    font-size: 1.3rem;
    margin-bottom: 10px;
}

.efficiency-item p {
    color: var(--text-gray);
}

.maintenance-plans {
    padding: 80px 0;
}

.plans-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1100px;
    margin: 0 auto;
}

.plan-card {
    background: var(--white);
    border: 2px solid var(--border-color);
    border-radius: 10px;
    padding: 35px;
    text-align: center;
    position: relative;
    transition: all 0.3s ease;
}

.plan-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.plan-card.featured {
    border-color: var(--primary-color);
    box-shadow: 0 5px 25px rgba(0, 102, 204, 0.2);
}

.plan-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--secondary-color);
    color: var(--white);
    padding: 5px 20px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

.plan-header h3 {
    font-size: 1.8rem;
    margin-bottom: 15px;
}

.plan-price {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 25px;
}

.plan-price span {
    font-size: 1.2rem;
    font-weight: 400;
    color: var(--text-gray);
}

.plan-features {
    text-align: left;
    margin-bottom: 30px;
}

.plan-features li {
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

.plan-features li:last-child {
    border-bottom: none;
}

.plan-features i {
    color: var(--success);
    font-size: 1.1rem;
}

.benefits-section {
    background: #f8f9fa;
    padding: 80px 0;
}

.benefits-section h2 {
    text-align: center;
    font-size: 2.2rem;
    margin-bottom: 50px;
}

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

.benefit-item {
    background: var(--white);
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.08);
}

.benefit-item i {
    font-size: 3rem;
    color: var(--success);
    margin-bottom: 20px;
}

.benefit-item h4 {
    font-size: 1.3rem;
    margin-bottom: 10px;
}

.benefit-item p {
    color: var(--text-gray);
}

.commercial-hvac {
    padding: 80px 0;
}

.commercial-content h2 {
    text-align: center;
    font-size: 2.2rem;
    margin-bottom: 15px;
}

.commercial-content > p {
    text-align: center;
    color: var(--text-gray);
    font-size: 1.1rem;
    max-width: 800px;
    margin: 0 auto 40px;
}

.commercial-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.service-areas-detail {
    background: #f8f9fa;
    padding: 80px 0;
    text-align: center;
}

.service-areas-detail h2 {
    font-size: 2.2rem;
    margin-bottom: 10px;
}

.service-areas-detail > .container > p {
    color: var(--text-gray);
    margin-bottom: 40px;
}

.areas-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    max-width: 900px;
    margin: 0 auto;
}

.area-item {
    background: var(--white);
    padding: 15px 20px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.area-item i {
    color: var(--secondary-color);
}

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

@media (max-width: 992px) {
    .nav-menu {
        position: fixed;
        top: 90px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 90px);
        background: var(--white);
        flex-direction: column;
        padding: 30px;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        transition: left 0.3s ease;
        overflow-y: auto;
    }

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

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

    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }

    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }

    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        padding-left: 20px;
        margin-top: 10px;
    }

    .nav-contact {
        margin-top: 20px;
    }

    .hero h1 {
        font-size: 2.2rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .story-grid {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .emergency-content {
        flex-direction: column;
        text-align: center;
    }

    .plans-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    section {
        padding: 60px 0;
    }

    .hero {
        min-height: 500px;
    }

    .hero h1 {
        font-size: 1.8rem;
    }

    .service-hero-content h1 {
        font-size: 2rem;
    }

    .page-header h1 {
        font-size: 2rem;
    }

    .cta-content h2 {
        font-size: 2rem;
    }

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

    .services-grid {
        grid-template-columns: 1fr;
    }

    .service-details-grid {
        grid-template-columns: 1fr;
    }

    .types-grid {
        grid-template-columns: 1fr;
    }

    .signs-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }

    .brands-list {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    }

    .areas-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.5rem;
    }

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

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

    .btn {
        width: 100%;
        justify-content: center;
    }

    .section-header h2 {
        font-size: 1.6rem;
    }

    .service-hero-content h1 {
        font-size: 1.6rem;
    }

    .page-header h1 {
        font-size: 1.6rem;
    }

    .logo img {
        height: 45px;
    }

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

    .footer-content {
        grid-template-columns: 1fr;
    }
}