/* ==========================================
   Lake Kathryn HVAC Pros - Main Stylesheet
   ========================================== */

/* ==========================================
   1. CSS Variables & Reset
   ========================================== */
:root {
    /* Primary Colors */
    --primary-color: #0066cc;
    --primary-dark: #004c99;
    --primary-light: #3385d6;

    /* Secondary Colors */
    --secondary-color: #ff6b35;
    --secondary-dark: #e55a2b;
    --secondary-light: #ff8555;

    /* Neutral Colors */
    --dark: #1a1a2e;
    --gray-dark: #2d2d44;
    --gray: #666;
    --gray-light: #e0e0e0;
    --light: #f8f9fa;
    --white: #ffffff;

    /* Accent Colors */
    --success: #28a745;
    --warning: #ffc107;
    --danger: #dc3545;
    --info: #17a2b8;

    /* Typography */
    --font-primary: 'Inter', sans-serif;
    --font-heading: 'Poppins', sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.15);

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-primary);
    color: var(--dark);
    line-height: 1.6;
    background-color: var(--white);
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

button {
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
}

/* ==========================================
   2. Typography
   ========================================== */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--dark);
}

h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
}

h2 {
    font-size: clamp(1.75rem, 4vw, 2.75rem);
}

h3 {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
}

h4 {
    font-size: clamp(1.1rem, 2.5vw, 1.35rem);
}

p {
    margin-bottom: 1rem;
    color: var(--gray);
    font-size: 1rem;
}

/* ==========================================
   3. Container & Layout
   ========================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

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

.section-label {
    display: inline-block;
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: var(--spacing-xs);
}

.section-title {
    margin-bottom: var(--spacing-sm);
}

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

/* ==========================================
   4. Buttons
   ========================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    font-weight: 600;
    font-size: 1rem;
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
    cursor: pointer;
    border: 2px solid transparent;
    text-align: center;
    white-space: nowrap;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

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

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

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

.btn-lg {
    padding: 1.125rem 2.25rem;
    font-size: 1.1rem;
}

.cta-button {
    background: var(--secondary-color);
    color: var(--white);
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all var(--transition-normal);
}

.cta-button:hover {
    background: var(--secondary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* ==========================================
   5. Header
   ========================================== */
.header {
    background: var(--white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: var(--transition-normal);
}

.mobile-call-btn {
    display: none;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
    gap: 2rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 700;
    font-family: var(--font-heading);
}

.logo-icon {
    font-size: 2rem;
    color: var(--primary-color);
}

.logo-text {
    font-size: 1.25rem;
    line-height: 1.2;
    color: var(--dark);
}

.logo-subtitle {
    font-size: 0.875rem;
    color: var(--secondary-color);
    font-weight: 600;
}

.nav-list {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    color: var(--dark);
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    padding: 0.5rem 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition-normal);
}

.nav-link:hover::after,
.nav-link:focus::after {
    width: 100%;
}

.nav-link:hover {
    color: var(--primary-color);
}

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

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 0.5rem;
    z-index: 1001;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--dark);
    transition: var(--transition-normal);
    border-radius: 2px;
}

.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);
}

/* ==========================================
   6. Hero Section
   ========================================== */
.hero {
    position: relative;
    background: linear-gradient(135deg, #0066cc 0%, #004c99 100%);
    color: var(--white);
    padding: var(--spacing-xl) 0;
    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"/><path d="M50 10 L90 50 L50 90 L10 50 Z" fill="rgba(255,255,255,0.03)"/></svg>');
    opacity: 0.5;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 102, 204, 0.95) 0%, rgba(0, 76, 153, 0.95) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.hero-title {
    color: var(--white);
    margin-bottom: var(--spacing-sm);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.highlight {
    color: var(--secondary-color);
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
    color: rgba(255, 255, 255, 0.95);
}

.hero-features {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: var(--spacing-md);
}

.hero-feature {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.95rem;
    font-weight: 500;
}

.hero-feature i {
    color: var(--secondary-color);
    font-size: 1.25rem;
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    margin-bottom: var(--spacing-md);
}

.hero-trust {
    font-size: 0.95rem;
}

.hero-trust p {
    color: var(--white);
    margin: 0;
}

.hero-trust i {
    color: var(--success);
}

/* ==========================================
   7. About Section
   ========================================== */
.about {
    padding: var(--spacing-xl) 0;
    background: var(--white);
}

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

.about-text {
    margin-bottom: 1.25rem;
    font-size: 1.05rem;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin: var(--spacing-md) 0;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-color);
    font-family: var(--font-heading);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--gray);
    font-weight: 500;
}

.about-image {
    position: relative;
}

.image-wrapper {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    text-align: center;
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.image-wrapper::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    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>');
    animation: rotate 30s linear infinite;
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

.hvac-icon {
    font-size: 8rem;
    color: var(--white);
    opacity: 0.9;
    animation: spin 10s linear infinite;
    position: relative;
    z-index: 1;
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

.image-badge {
    position: absolute;
    bottom: 2rem;
    right: 2rem;
    background: var(--white);
    padding: 1rem 1.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    z-index: 2;
}

.image-badge i {
    font-size: 2rem;
    color: var(--secondary-color);
}

.image-badge strong {
    display: block;
    color: var(--dark);
    font-size: 1rem;
}

.image-badge span {
    display: block;
    color: var(--gray);
    font-size: 0.875rem;
}

/* ==========================================
   8. Services Section
   ========================================== */
.services {
    padding: var(--spacing-xl) 0;
    background: var(--light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    border: 2px solid transparent;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.service-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    transition: var(--transition-normal);
}

.service-card:hover .service-icon {
    transform: scale(1.1) rotate(5deg);
}

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

.service-title {
    margin-bottom: 1rem;
    color: var(--dark);
}

.service-description {
    color: var(--gray);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

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

.service-link:hover {
    gap: 0.75rem;
    color: var(--primary-dark);
}

/* ==========================================
   9. Why Choose Us Section
   ========================================== */
.why-choose-us {
    padding: var(--spacing-xl) 0;
    background: var(--white);
}

.reasons-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.reason-card {
    text-align: center;
    padding: 2rem;
    background: var(--light);
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
}

.reason-card:hover {
    background: var(--white);
    box-shadow: var(--shadow-lg);
    transform: translateY(-5px);
}

.reason-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--secondary-dark) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    transition: var(--transition-normal);
}

.reason-card:hover .reason-icon {
    transform: scale(1.1);
}

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

.reason-title {
    margin-bottom: 1rem;
    color: var(--dark);
}

.reason-description {
    color: var(--gray);
    line-height: 1.7;
}

/* ==========================================
   10. Testimonials Section
   ========================================== */
.testimonials {
    padding: var(--spacing-xl) 0;
    background: var(--light);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    border-left: 4px solid var(--primary-color);
}

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

.testimonial-rating {
    margin-bottom: 1rem;
}

.testimonial-rating i {
    color: var(--warning);
    font-size: 1.25rem;
}

.testimonial-text {
    font-style: italic;
    color: var(--gray);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.author-avatar {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.author-avatar i {
    font-size: 1.5rem;
    color: var(--white);
}

.author-name {
    font-size: 1rem;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 0.25rem;
}

.author-location {
    font-size: 0.875rem;
    color: var(--gray);
    margin: 0;
}

/* ==========================================
   11. Areas Section
   ========================================== */
.areas {
    padding: var(--spacing-xl) 0;
    background: var(--white);
}

.areas-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: start;
}

.areas-subtitle {
    margin-bottom: 1rem;
    color: var(--dark);
}

.areas-text {
    margin-bottom: 1.25rem;
    font-size: 1.05rem;
    color: var(--gray);
    line-height: 1.7;
}

.cities-list {
    background: var(--light);
    padding: 2rem;
    border-radius: var(--radius-lg);
    margin-bottom: 2rem;
}

.cities-title {
    margin-bottom: 1rem;
    color: var(--primary-color);
    font-size: 1.25rem;
}

.cities {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
}

.cities li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--gray);
    font-weight: 500;
}

.cities i {
    color: var(--secondary-color);
    font-size: 0.875rem;
}

.areas-map {
    position: sticky;
    top: 100px;
}

.map-container {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    height: 400px;
    margin-bottom: 1rem;
}

.map-info {
    background: var(--primary-color);
    color: var(--white);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.map-info i {
    font-size: 2rem;
    color: var(--secondary-color);
}

.map-info strong {
    display: block;
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
}

.map-info p {
    margin: 0;
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.95rem;
}

/* ==========================================
   12. FAQ Section
   ========================================== */
.faq {
    padding: var(--spacing-xl) 0;
    background: var(--light);
}

.faq-container {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: var(--white);
    border-radius: var(--radius-lg);
    margin-bottom: 1rem;
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: var(--transition-normal);
}

.faq-item:hover {
    box-shadow: var(--shadow-md);
}

.faq-question {
    width: 100%;
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    text-align: left;
    font-weight: 600;
    font-size: 1.05rem;
    color: var(--dark);
    cursor: pointer;
    transition: var(--transition-fast);
}

.faq-question:hover {
    color: var(--primary-color);
}

.faq-question i {
    transition: var(--transition-normal);
    color: var(--primary-color);
    font-size: 1.25rem;
    flex-shrink: 0;
    margin-left: 1rem;
}

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

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 1.5rem 1.5rem;
    color: var(--gray);
    line-height: 1.7;
    margin: 0;
}

/* ==========================================
   13. CTA Banner
   ========================================== */
.cta-banner {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--white);
    padding: var(--spacing-lg) 0;
    position: relative;
    overflow: hidden;
}

.cta-banner::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
}

.cta-content {
    position: relative;
    z-index: 1;
    text-align: center;
}

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

.cta-subtitle {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-md);
    color: rgba(255, 255, 255, 0.95);
}

.cta-actions {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.cta-features {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    font-size: 0.95rem;
}

.cta-features span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.cta-features i {
    color: var(--success);
}

/* ==========================================
   14. Footer
   ========================================== */
.footer {
    background: var(--dark);
    color: rgba(255, 255, 255, 0.8);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: var(--spacing-lg);
}

.footer-logo {
    margin-bottom: 1rem;
}

.footer-description {
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.footer-contact p {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    font-size: 0.95rem;
}

.footer-contact i {
    color: var(--secondary-color);
}

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

.footer-title {
    color: var(--white);
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition-fast);
    font-size: 0.95rem;
}

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

.footer-hours {
    font-size: 0.95rem;
}

.footer-hours li {
    margin-bottom: 0.75rem;
    color: rgba(255, 255, 255, 0.7);
}

.footer-hours strong {
    color: var(--secondary-color);
}

.footer-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    background: rgba(255, 255, 255, 0.1);
    padding: 0.75rem 1.25rem;
    border-radius: var(--radius-md);
    margin-top: 1.5rem;
}

.footer-badge i {
    color: var(--secondary-color);
    font-size: 1.5rem;
}

.footer-badge span {
    font-weight: 600;
    color: var(--white);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-md);
    text-align: center;
    font-size: 0.875rem;
}

.footer-bottom p {
    margin-bottom: 0.5rem;
    color: rgba(255, 255, 255, 0.6);
}

.footer-seo {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.4);
}

/* ==========================================
   15. Scroll to Top Button
   ========================================== */
.scroll-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: 999;
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    background: var(--primary-dark);
    transform: translateY(-5px);
}

.scroll-top i {
    font-size: 1.25rem;
}

/* ==========================================
   16. Mobile Responsive Styles
   ========================================== */

/* Tablet - 992px and below */
@media (max-width: 992px) {
    :root {
        --spacing-xl: 3rem;
        --spacing-lg: 2.5rem;
    }

    .header-content {
        gap: 1rem;
    }

    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--white);
        box-shadow: var(--shadow-xl);
        padding: 5rem 2rem 2rem;
        transition: var(--transition-normal);
        z-index: 999;
    }

    .nav.active {
        right: 0;
    }

    .nav-list {
        flex-direction: column;
        gap: 0;
    }

    .nav-link {
        width: 100%;
        padding: 1rem 0;
        border-bottom: 1px solid var(--gray-light);
    }

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

    .about-grid,
    .areas-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .about-stats {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .areas-map {
        position: static;
    }
}

/* Mobile - 768px and below */
@media (max-width: 768px) {
    :root {
        --spacing-xl: 2.5rem;
        --spacing-lg: 2rem;
        --spacing-md: 1.5rem;
    }

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

    .header-cta {
        display: none;
    }

    .mobile-call-btn {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 40px;
        height: 40px;
        background: var(--secondary-color);
        color: var(--white);
        border-radius: 50%;
        margin-left: auto;
        /* Push to right, before menu */
        transition: var(--transition-fast);
        box-shadow: var(--shadow-sm);
    }

    .mobile-call-btn:hover {
        background: var(--secondary-dark);
        transform: scale(1.05);
    }

    .mobile-call-btn i {
        font-size: 1.1rem;
    }

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

    .hero-features {
        gap: 1rem;
    }

    .hero-feature {
        font-size: 0.875rem;
        width: calc(50% - 0.5rem);
    }

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

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

    .about-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }

    .stat-number {
        font-size: 2rem;
    }

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

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

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

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

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .cta-features {
        flex-direction: column;
        gap: 1rem;
    }

    .scroll-top {
        bottom: 1rem;
        right: 1rem;
        width: 45px;
        height: 45px;
    }
}

/* Small Mobile - 480px and below */
@media (max-width: 480px) {
    html {
        font-size: 14px;
    }

    .logo-text {
        font-size: 1.1rem;
    }

    .logo-icon {
        font-size: 1.75rem;
    }

    .hero-features {
        flex-direction: column;
        align-items: flex-start;
    }

    .hero-feature {
        width: 100%;
    }

    .btn-lg {
        padding: 1rem 1.75rem;
        font-size: 1rem;
    }

    .about-stats {
        grid-template-columns: 1fr;
    }

    .service-card,
    .reason-card,
    .testimonial-card {
        padding: 1.5rem;
    }

    .hvac-icon {
        font-size: 6rem;
    }

    .map-container {
        height: 300px;
    }
}

/* Accessibility & Focus Styles */
a:focus,
button:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Print Styles */
@media print {

    .header,
    .mobile-menu-toggle,
    .cta-button,
    .btn,
    .scroll-top,
    .cta-banner {
        display: none;
    }

    body {
        font-size: 12pt;
        color: #000;
    }

    .hero {
        background: #fff;
        color: #000;
    }
}

/* Animation for elements on scroll */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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