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

:root {
    /* HVAC Brand Colors */
    --primary-color: #d32f2f;
    --primary-dark: #b71c1c;
    --primary-light: #ff6659;
    --secondary-color: #1976d2;
    --secondary-dark: #004ba0;
    --secondary-light: #63a4ff;
    
    /* Neutral Colors */
    --dark: #1a1a1a;
    --dark-gray: #2c2c2c;
    --gray: #666666;
    --light-gray: #f5f5f5;
    --white: #ffffff;
    
    /* Accent Colors */
    --success: #4caf50;
    --warning: #ff9800;
    --info: #2196f3;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    --font-heading: 'Poppins', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.15);
    --shadow-xl: 0 20px 40px rgba(0,0,0,0.2);
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 20px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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;
}

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

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.75rem); }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: 1rem;
    line-height: 1.7;
}

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

a:hover {
    color: var(--primary-dark);
}

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

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

section {
    padding: var(--spacing-xl) 0;
}

/* ========================================
   Buttons
======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1rem;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark) 0%, #8b0000 100%);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: var(--white);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}

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

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

.btn-call:hover {
    background: #388e3c;
    color: var(--white);
}

.btn-outline-light {
    background: transparent;
    border: 2px solid var(--white);
    color: var(--white);
}

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

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

.btn-light:hover {
    background: var(--light-gray);
    color: var(--primary-dark);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

/* ========================================
   Section Headers
======================================== */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-label {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

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

.section-subtitle {
    font-size: 1.125rem;
    color: var(--gray);
    max-width: 700px;
    margin: 0 auto;
}

/* ========================================
   Header & Navigation
======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--white);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition-normal);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.25rem;
    color: var(--primary-color);
}

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

.logo a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-color);
}

.logo a:hover {
    color: var(--primary-dark);
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 1.5rem;
    align-items: center;
}

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

.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.active::after {
    width: 100%;
}

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

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

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

/* ========================================
   Hero Section
======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 50%, #d32f2f 100%);
    color: var(--white);
    padding-top: 80px;
    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="M0 0L50 50L0 100M50 0L100 50L50 100M100 0L100 100" stroke="rgba(255,255,255,0.05)" stroke-width="2"/></svg>');
    opacity: 0.3;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    padding: 0.5rem 1.25rem;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-badge i {
    color: #ffd700;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 900;
    margin-bottom: 1.5rem;
    text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2.5vw, 1.5rem);
    margin-bottom: 2rem;
    color: rgba(255, 255, 255, 0.95);
    font-weight: 300;
}

.hero-features {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 2rem;
    margin: 2rem 0;
}

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

.hero-feature i {
    font-size: 1.5rem;
    color: #ffd700;
}

.hero-cta {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 2rem;
}

.hero-trust {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.9);
}

.hero-trust i {
    color: #ffd700;
    margin: 0 0.25rem;
}

/* ========================================
   About Section
======================================== */
.about {
    background: var(--white);
}

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

.about-content {
    padding-right: 2rem;
}

.about-text {
    color: var(--gray);
    margin-bottom: 1.5rem;
    font-size: 1.0625rem;
}

.about-text strong {
    color: var(--primary-color);
    font-weight: 600;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin: 2rem 0;
    padding: 2rem 0;
    border-top: 2px solid var(--light-gray);
    border-bottom: 2px solid var(--light-gray);
}

.stat-item {
    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: 600;
}

.about-cta {
    margin-top: 1.5rem;
}

.about-image-wrapper {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.about-image-wrapper img {
    width: 100%;
    height: 600px;
    object-fit: cover;
}

.about-badge {
    position: absolute;
    bottom: 2rem;
    left: 2rem;
    background: var(--white);
    padding: 1.25rem 1.5rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 1rem;
}

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

.about-badge strong {
    display: block;
    font-size: 1.125rem;
    color: var(--dark);
    font-family: var(--font-heading);
}

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

/* ========================================
   Services Section
======================================== */
.services {
    background: var(--light-gray);
}

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

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

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

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

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

.service-title {
    font-size: 1.5rem;
    color: var(--dark);
    margin-bottom: 1rem;
}

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

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

.service-features li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
    color: var(--gray);
    font-size: 0.9375rem;
}

.service-features i {
    color: var(--success);
    font-size: 0.875rem;
}

.services-cta {
    text-align: center;
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-top: 2px solid rgba(0, 0, 0, 0.1);
}

.services-cta p {
    font-size: 1.125rem;
    color: var(--gray);
}

.services-cta a {
    font-weight: 700;
    color: var(--primary-color);
}

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

.why-choose-us .section-label {
    color: var(--primary-light);
}

.why-choose-us .section-title {
    color: var(--white);
}

.why-choose-us .section-subtitle {
    color: rgba(255, 255, 255, 0.8);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: var(--spacing-lg);
}

.feature-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition-normal);
    text-align: center;
}

.feature-card:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--primary-color);
    transform: translateY(-5px);
}

.feature-icon-wrapper {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.feature-icon-wrapper i {
    font-size: 2.25rem;
    color: var(--white);
}

.feature-card h3 {
    font-size: 1.375rem;
    margin-bottom: 1rem;
    color: var(--white);
}

.feature-card p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.7;
}

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

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

.testimonial-card {
    background: var(--light-gray);
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

.testimonial-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}

.testimonial-rating {
    display: flex;
    gap: 0.25rem;
    margin-bottom: 1rem;
}

.testimonial-rating i {
    color: #ffd700;
    font-size: 1.125rem;
}

.testimonial-text {
    font-style: italic;
    color: var(--gray);
    line-height: 1.8;
    margin-bottom: 1.5rem;
    font-size: 1.0625rem;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding-top: 1rem;
    border-top: 2px solid var(--white);
}

.author-avatar {
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.25rem;
}

.author-info h4 {
    font-size: 1rem;
    color: var(--dark);
    margin-bottom: 0.25rem;
}

.author-info span {
    font-size: 0.875rem;
    color: var(--gray);
}

/* ========================================
   Areas Served Section
======================================== */
.areas-served {
    background: var(--light-gray);
}

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

.areas-content {
    padding-right: 2rem;
}

.areas-description {
    color: var(--gray);
    margin-bottom: 1.5rem;
    font-size: 1.0625rem;
}

.areas-description strong {
    color: var(--primary-color);
    font-weight: 600;
}

.cities-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin: 2rem 0;
}

.city-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

.city-item:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-md);
}

.city-item i {
    color: var(--primary-color);
    font-size: 1.125rem;
}

.city-item span {
    font-weight: 500;
    color: var(--dark);
}

.areas-cta {
    background: var(--white);
    padding: 1.5rem;
    border-radius: var(--radius-md);
    border-left: 4px solid var(--primary-color);
    margin-top: 2rem;
}

.areas-cta p {
    margin: 0;
    color: var(--gray);
}

.areas-cta strong {
    color: var(--dark);
}

.areas-cta a {
    font-weight: 700;
    color: var(--primary-color);
}

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

.map-wrapper {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    height: 450px;
}

.map-info {
    background: var(--white);
    padding: 1.5rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    margin-top: 1.5rem;
}

.map-info h3 {
    font-size: 1.25rem;
    color: var(--dark);
    margin-bottom: 1rem;
}

.map-info p {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--gray);
    margin-bottom: 0.75rem;
}

.map-info p:last-child {
    margin-bottom: 0;
}

.map-info i {
    color: var(--primary-color);
    width: 20px;
}

.map-info a {
    color: var(--primary-color);
    font-weight: 600;
}

/* ========================================
   FAQ Section
======================================== */
.faq {
    background: var(--white);
}

.faq-wrapper {
    max-width: 900px;
    margin: var(--spacing-lg) auto 0;
}

.faq-item {
    background: var(--white);
    border: 1px solid #e0e0e0;
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
    overflow: hidden;
    transition: var(--transition-normal);
}

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

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--white);
    border: none;
    text-align: left;
    cursor: pointer;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.125rem;
    color: var(--dark);
    transition: var(--transition-normal);
}

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

.faq-question i {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    transition: var(--transition-normal);
}

.faq-item.active .faq-question i {
    transform: rotate(45deg);
}

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

.faq-item.active .faq-answer {
    max-height: 1000px;
}

.faq-answer p {
    padding: 0 1.5rem 1.5rem;
    color: var(--gray);
    line-height: 1.8;
    margin: 0;
}

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

.cta-banner::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="40" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="2"/></svg>');
    opacity: 0.3;
}

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

.cta-content h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    margin-bottom: 1rem;
    color: var(--white);
}

.cta-content p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    color: rgba(255, 255, 255, 0.95);
}

.cta-buttons {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 2rem;
}

.cta-features {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 2rem;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.cta-features span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
}

.cta-features i {
    color: #ffd700;
}

/* ========================================
   Footer
======================================== */
.footer {
    background: var(--dark-gray);
    color: var(--white);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-col h4 {
    font-size: 1.125rem;
    margin-bottom: 1.25rem;
    color: var(--white);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.5rem;
    color: var(--primary-light);
    margin-bottom: 1rem;
}

.footer-logo i {
    font-size: 2rem;
}

.footer-description {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.footer-contact p {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 0.75rem;
}

.footer-contact i {
    color: var(--primary-light);
    width: 20px;
}

.footer-contact a {
    color: var(--primary-light);
    font-weight: 600;
}

.footer-links {
    list-style: none;
    padding: 0;
}

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

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

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    margin: 0;
}

.footer-certifications {
    display: flex;
    gap: 1.5rem;
}

.footer-certifications span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9375rem;
}

.footer-certifications i {
    color: var(--primary-light);
}

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

/* Tablet (768px - 1024px) */
@media (max-width: 1024px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .about-grid,
    .areas-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .about-content {
        padding-right: 0;
    }
    
    .areas-content {
        padding-right: 0;
    }
    
    .areas-map {
        position: relative;
        top: 0;
    }
    
    .footer-top {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }
}

/* Mobile (max-width: 768px) */
@media (max-width: 768px) {
    :root {
        --spacing-xl: 3rem;
        --spacing-lg: 2rem;
        --spacing-md: 1.5rem;
    }
    
    section {
        padding: var(--spacing-lg) 0;
    }
    
    /* Header Mobile */
    .nav {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--white);
        transition: var(--transition-normal);
        box-shadow: var(--shadow-lg);
    }
    
    .nav.active {
        left: 0;
    }
    
    .nav-list {
        flex-direction: column;
        gap: 0;
        padding: 2rem;
    }
    
    .nav-list li {
        width: 100%;
        border-bottom: 1px solid var(--light-gray);
    }
    
    .nav-link {
        display: block;
        padding: 1rem 0;
    }
    
    .mobile-toggle {
        display: flex;
    }
    
    .mobile-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(6px, 6px);
    }
    
    .mobile-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(6px, -6px);
    }
    
    .btn-call span {
        display: none;
    }
    
    /* Hero Mobile */
    .hero {
        min-height: auto;
        padding: 120px 0 80px;
    }
    
    .hero-features {
        gap: 1rem;
    }
    
    .hero-feature {
        font-size: 0.875rem;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-cta .btn {
        width: 100%;
        justify-content: center;
    }
    
    /* About Mobile */
    .about-stats {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .about-image-wrapper img {
        height: 400px;
    }
    
    .about-badge {
        bottom: 1rem;
        left: 1rem;
        padding: 1rem;
    }
    
    /* Services Mobile */
    .services-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    /* Features Mobile */
    .features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    /* Testimonials Mobile */
    .testimonials-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    /* Areas Mobile */
    .cities-list {
        grid-template-columns: 1fr;
    }
    
    .map-wrapper {
        height: 350px;
    }
    
    /* CTA Mobile */
    .cta-buttons {
        flex-direction: column;
    }
    
    .cta-buttons .btn {
        width: 100%;
    }
    
    .cta-features {
        flex-direction: column;
        gap: 1rem;
        align-items: center;
    }
    
    /* Footer Mobile */
    .footer-top {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-certifications {
        flex-wrap: wrap;
        justify-content: center;
    }
}

/* Small Mobile (max-width: 480px) */
@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }
    
    .btn-lg {
        padding: 0.875rem 1.5rem;
        font-size: 1rem;
    }
    
    .hero-badge {
        font-size: 0.75rem;
        padding: 0.375rem 1rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .service-card,
    .feature-card,
    .testimonial-card {
        padding: 1.5rem;
    }
    
    .faq-question {
        font-size: 1rem;
        padding: 1rem;
    }
    
    .faq-answer p {
        padding: 0 1rem 1rem;
    }
}

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

.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }

.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }

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

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

/* ========================================
   Print Styles
======================================== */
@media print {
    .header,
    .mobile-toggle,
    .hero,
    .cta-banner,
    .footer {
        display: none;
    }
    
    body {
        color: #000;
    }
    
    a {
        text-decoration: underline;
    }
}