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

:root {
    /* Color Palette */
    --primary-color: #0066CC;
    --primary-dark: #004A99;
    --primary-light: #3385D6;
    --secondary-color: #FF6B35;
    --accent-color: #00A8E8;

    /* Text Colors */
    --text-dark: #1A1A1A;
    --text-medium: #4A4A4A;
    --text-light: #6B6B6B;
    --text-white: #FFFFFF;

    /* Background Colors */
    --bg-white: #FFFFFF;
    --bg-light: #F8F9FA;
    --bg-dark: #1A1A1A;
    --bg-overlay: rgba(0, 0, 0, 0.7);

    /* Spacing */
    --section-padding: 80px 0;
    --container-padding: 0 20px;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.2);

    /* Transitions */
    --transition: all 0.3s ease;

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

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

html {
    scroll-behavior: smooth;
}

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

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

ul {
    list-style: none;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--container-padding);
}

/* ====================================
   Buttons
   ==================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 6px;
    font-weight: 600;
    font-size: 16px;
    transition: var(--transition);
    white-space: nowrap;
    text-align: center;
    cursor: pointer;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--text-white);
    box-shadow: var(--shadow-sm);
}

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

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

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

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

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

.btn-large {
    padding: 16px 36px;
    font-size: 18px;
}

/* ====================================
   Header
   ==================================== */
.header {
    position: sticky;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--bg-white);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 22px;
    font-weight: 700;
    color: var(--primary-color);
}

.logo i {
    font-size: 28px;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 28px;
}

.nav-link {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-dark);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: var(--transition);
}

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

.header-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    width: 30px;
    height: 24px;
    cursor: pointer;
}

.mobile-menu-toggle span {
    display: block;
    width: 100%;
    height: 3px;
    background-color: var(--primary-color);
    border-radius: 2px;
    transition: var(--transition);
}

/* ====================================
   Hero Section
   ==================================== */
.hero {
    position: relative;
    min-height: 600px;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #0066CC 0%, #00A8E8 100%);
    padding: 40px 0 80px;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.3;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at top right, rgba(255, 255, 255, 0.1) 0%, transparent 60%);
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--text-white);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 24px;
    backdrop-filter: blur(10px);
}

.hero-title {
    font-size: 48px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 24px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.hero-title .highlight {
    color: #FFD700;
}

.hero-description {
    font-size: 20px;
    line-height: 1.6;
    margin-bottom: 32px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0.95;
}

.hero-features {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 24px;
    margin-bottom: 40px;
}

.hero-feature {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 16px;
    font-weight: 500;
}

.hero-feature i {
    font-size: 20px;
}

.hero-cta {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 40px;
}

.hero-trust {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 32px;
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
}

.trust-item i {
    color: #FFD700;
    font-size: 18px;
}

/* ====================================
   Section Headers
   ==================================== */
.section-header {
    margin-bottom: 48px;
}

.section-header.centered {
    text-align: center;
}

.section-subtitle {
    display: inline-block;
    color: var(--primary-color);
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 12px;
}

.section-title {
    font-size: 38px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 16px;
    color: var(--text-dark);
}

.section-description {
    font-size: 18px;
    color: var(--text-medium);
    line-height: 1.7;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

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

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

.about-text {
    font-size: 17px;
    color: var(--text-medium);
    line-height: 1.8;
    margin-bottom: 20px;
}

.about-text strong {
    color: var(--primary-color);
    font-weight: 700;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin: 32px 0;
}

.stat-item {
    text-align: center;
    padding: 24px;
    background-color: var(--bg-light);
    border-radius: 12px;
}

.stat-number {
    font-size: 36px;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.stat-label {
    font-size: 14px;
    color: var(--text-medium);
    font-weight: 600;
}

.about-image {
    position: relative;
}

.image-wrapper {
    position: relative;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    border-radius: 16px;
    padding: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 400px;
}

.hvac-icon {
    font-size: 120px;
    color: rgba(255, 255, 255, 0.9);
    animation: rotate 20s linear infinite;
}

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

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

.image-badge {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 16px 24px;
    background-color: var(--bg-white);
    border-radius: 50px;
    box-shadow: var(--shadow-lg);
    font-weight: 600;
    color: var(--text-dark);
    font-size: 14px;
}

.image-badge i {
    color: #FFD700;
    font-size: 24px;
}

/* ====================================
   Services Section
   ==================================== */
.services {
    padding: var(--section-padding);
    background-color: var(--bg-light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.service-card {
    background-color: var(--bg-white);
    padding: 32px;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    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(--accent-color) 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.service-icon i {
    font-size: 32px;
    color: var(--text-white);
}

.service-title {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.service-description {
    font-size: 15px;
    color: var(--text-medium);
    line-height: 1.7;
    margin-bottom: 16px;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-color);
    font-weight: 600;
    font-size: 15px;
}

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

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

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.feature-card {
    text-align: center;
    padding: 36px 24px;
    background-color: var(--bg-light);
    border-radius: 12px;
    transition: var(--transition);
}

.feature-card:hover {
    background-color: var(--primary-color);
    transform: translateY(-8px);
}

.feature-card:hover .feature-icon {
    background-color: var(--bg-white);
    color: var(--primary-color);
}

.feature-card:hover .feature-title,
.feature-card:hover .feature-description {
    color: var(--text-white);
}

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

.feature-icon i {
    font-size: 36px;
    color: var(--text-white);
}

.feature-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-dark);
    transition: var(--transition);
}

.feature-description {
    font-size: 15px;
    color: var(--text-medium);
    line-height: 1.7;
    transition: var(--transition);
}

/* ====================================
   Testimonials Section
   ==================================== */
.testimonials {
    padding: var(--section-padding);
    background-color: var(--bg-light);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.testimonial-card {
    background-color: var(--bg-white);
    padding: 32px;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.testimonial-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.testimonial-rating {
    display: flex;
    gap: 4px;
    margin-bottom: 16px;
}

.testimonial-rating i {
    color: #FFD700;
    font-size: 18px;
}

.testimonial-text {
    font-size: 15px;
    color: var(--text-medium);
    line-height: 1.7;
    margin-bottom: 24px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 16px;
}

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

.author-avatar i {
    font-size: 24px;
    color: var(--text-white);
}

.author-name {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 4px;
}

.author-location {
    font-size: 14px;
    color: var(--text-light);
}

/* ====================================
   Areas Served Section
   ==================================== */
.areas-served {
    padding: var(--section-padding);
    background-color: var(--bg-white);
}

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

.areas-description {
    font-size: 17px;
    color: var(--text-medium);
    line-height: 1.8;
    margin-bottom: 24px;
}

.areas-description strong {
    color: var(--primary-color);
    font-weight: 700;
}

.cities-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 16px;
}

.cities-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-bottom: 24px;
}

.cities-grid li {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
    color: var(--text-medium);
    padding: 8px 0;
}

.cities-grid i {
    color: var(--primary-color);
    font-size: 16px;
}

.areas-note {
    font-size: 15px;
    color: var(--text-medium);
    line-height: 1.7;
    padding: 16px;
    background-color: var(--bg-light);
    border-radius: 8px;
    border-left: 4px solid var(--primary-color);
}

.phone-link {
    color: var(--primary-color);
    font-weight: 600;
}

.phone-link:hover {
    text-decoration: underline;
}

.map-container {
    width: 100%;
    height: 400px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    margin-bottom: 20px;
}

.map-info {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background-color: var(--bg-light);
    border-radius: 12px;
}

.map-info i {
    font-size: 32px;
    color: var(--primary-color);
}

.map-info h4 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 4px;
}

.map-info p {
    font-size: 15px;
    color: var(--text-medium);
}

/* ====================================
   FAQ Section
   ==================================== */
.faq {
    padding: var(--section-padding);
    background-color: var(--bg-light);
}

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

.faq-item {
    background-color: var(--bg-white);
    border-radius: 12px;
    margin-bottom: 16px;
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    padding: 24px 28px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    text-align: left;
    font-size: 17px;
    font-weight: 600;
    color: var(--text-dark);
    cursor: pointer;
    transition: var(--transition);
}

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

.faq-question i {
    font-size: 16px;
    color: var(--primary-color);
    transition: var(--transition);
    flex-shrink: 0;
}

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

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

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

.faq-answer p {
    padding: 0 28px 24px;
    font-size: 15px;
    color: var(--text-medium);
    line-height: 1.8;
}

/* ====================================
   CTA Banner
   ==================================== */
.cta-banner {
    padding: 60px 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    position: relative;
    overflow: hidden;
}

.cta-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.cta-content {
    position: relative;
    z-index: 2;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 40px;
}

.cta-title {
    font-size: 36px;
    font-weight: 800;
    color: var(--text-white);
    margin-bottom: 12px;
}

.cta-description {
    font-size: 18px;
    color: var(--text-white);
    opacity: 0.95;
    line-height: 1.7;
}

.cta-action {
    text-align: center;
    flex-shrink: 0;
}

.cta-hours {
    margin-top: 12px;
    font-size: 14px;
    color: var(--text-white);
    font-weight: 600;
}

/* ====================================
   Footer
   ==================================== */
.footer {
    background-color: var(--bg-dark);
    color: var(--text-white);
    padding: 60px 0 0;
}

.footer-main {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 16px;
}

.footer-logo i {
    font-size: 28px;
    color: var(--primary-color);
}

.footer-description {
    font-size: 15px;
    line-height: 1.7;
    opacity: 0.85;
    margin-bottom: 24px;
}

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

.contact-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 15px;
}

.contact-item i {
    color: var(--primary-color);
    font-size: 18px;
    width: 20px;
}

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

.footer-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 20px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links li {
    font-size: 15px;
    opacity: 0.85;
}

.footer-links a:hover {
    color: var(--primary-color);
    padding-left: 4px;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 0;
}

.copyright {
    font-size: 14px;
    opacity: 0.75;
}

.footer-bottom-links {
    display: flex;
    gap: 24px;
}

.footer-bottom-links a {
    font-size: 14px;
    opacity: 0.75;
}

.footer-bottom-links a:hover {
    color: var(--primary-color);
    opacity: 1;
}

/* ====================================
   Responsive Design - Tablet
   ==================================== */
@media (max-width: 992px) {
    .section-title {
        font-size: 32px;
    }

    .hero-title {
        font-size: 38px;
    }

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

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

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

    .about-grid {
        gap: 40px;
    }

    .areas-grid {
        gap: 40px;
    }

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

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

    .cta-action {
        width: 100%;
    }
}

/* ====================================
   Responsive Design - Mobile
   ==================================== */
@media (max-width: 768px) {
    :root {
        --section-padding: 50px 0;
    }

    .nav {
        position: fixed;
        top: 72px;
        left: -100%;
        width: 100%;
        background-color: var(--bg-white);
        box-shadow: var(--shadow-md);
        transition: var(--transition);
        z-index: 999;
    }

    .nav.active {
        left: 0;
    }

    .nav-list {
        flex-direction: column;
        padding: 24px 20px;
        gap: 0;
    }

    .nav-list li {
        width: 100%;
        border-bottom: 1px solid var(--bg-light);
    }

    .nav-link {
        display: block;
        padding: 16px 0;
        font-size: 16px;
    }

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

    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

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

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

    .section-title {
        font-size: 28px;
    }

    .section-description {
        font-size: 16px;
    }

    .hero {
        min-height: auto;
        padding: 40px 0 50px;
    }

    .hero-title {
        font-size: 28px;
    }

    .hero-description {
        font-size: 16px;
    }

    .hero-features {
        flex-direction: column;
        align-items: center;
        gap: 16px;
    }

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

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

    .hero-trust {
        flex-direction: column;
        gap: 16px;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

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

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

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

    .areas-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

    .map-container {
        height: 300px;
    }

    .footer-main {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }

    .cta-title {
        font-size: 26px;
    }

    .cta-description {
        font-size: 16px;
    }

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

    .header-right .btn {
        padding: 10px;
        border-radius: 50%;
        width: 40px;
        height: 40px;
        justify-content: center;
    }

    .header-right .btn .btn-text {
        display: none;
    }

    .header-right .btn i {
        font-size: 16px;
    }
}

@media (max-width: 480px) {
    .logo span {
        font-size: 16px;
    }

    .logo i {
        font-size: 22px;
    }

    .header-right .btn {
        font-size: 14px;
        padding: 10px;
        border-radius: 50%;
        width: 40px;
        height: 40px;
        justify-content: center;
    }

    .header-right .btn .btn-text {
        display: none;
    }

    .header-right .btn i {
        font-size: 16px;
    }

    .hero-title {
        font-size: 24px;
    }

    .section-title {
        font-size: 24px;
    }

    .stat-number {
        font-size: 28px;
    }

    .hvac-icon {
        font-size: 80px;
    }

    .service-card,
    .feature-card,
    .testimonial-card {
        padding: 24px;
    }

    .cta-title {
        font-size: 22px;
    }
}