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

:root {
    /* Primary Colors */
    --primary-color: #1e40af;
    --primary-dark: #1e3a8a;
    --primary-light: #3b82f6;
    --accent-color: #f59e0b;
    --accent-dark: #d97706;

    /* Neutral Colors */
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --bg-light: #f9fafb;
    --bg-white: #ffffff;
    --border-color: #e5e7eb;

    /* Spacing */
    --container-width: 1200px;
    --section-padding: 80px 0;

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

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

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

ul {
    list-style: none;
}

/* ===================================
   Header Styles
   =================================== */
.header {
    background: var(--bg-white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-primary);
}

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

.logo span {
    font-size: 14px;
    line-height: 1.2;
    color: var(--text-dark);
}

.logo strong {
    font-weight: 700;
    font-size: 18px;
    color: var(--primary-color);
}

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

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

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

.cta-button {
    background: var(--primary-color);
    color: white;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 15px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
}

.cta-button:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(30, 64, 175, 0.3);
}

.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(--primary-color);
    border-radius: 3px;
    transition: all 0.3s ease;
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    background: linear-gradient(135deg, rgba(30, 64, 175, 0.95) 0%, rgba(29, 78, 216, 0.9) 100%),
        url('https://images.unsplash.com/photo-1581578731548-c64695cc6952?w=1920') center/cover;
    padding: 120px 0 100px;
    position: relative;
    color: white;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(30, 64, 175, 0.9) 0%, rgba(59, 130, 246, 0.85) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    text-align: center;
    margin: 0 auto;
}

.hero-title {
    font-family: var(--font-primary);
    font-size: 52px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
}

.hero-title .highlight {
    color: var(--accent-color);
}

.hero-subtitle {
    font-size: 20px;
    margin-bottom: 35px;
    opacity: 0.95;
    font-weight: 400;
}

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

.hero-feature {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 16px;
    font-weight: 500;
}

.hero-feature i {
    font-size: 24px;
    color: var(--accent-color);
}

.hero-cta {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 16px 32px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 16px;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

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

.btn-primary:hover {
    background: var(--accent-dark);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(245, 158, 11, 0.4);
}

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

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

/* ===================================
   Section Styles
   =================================== */
.section-label {
    display: inline-block;
    background: rgba(30, 64, 175, 0.1);
    color: var(--primary-color);
    padding: 8px 20px;
    border-radius: 30px;
    font-weight: 600;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 15px;
}

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

.section-title {
    font-family: var(--font-primary);
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 15px;
    line-height: 1.3;
    color: var(--text-dark);
}

.section-title .highlight {
    color: var(--primary-color);
}

.section-description {
    font-size: 18px;
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.8;
}

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

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

.about-description {
    font-size: 16px;
    color: var(--text-light);
    margin-bottom: 20px;
    line-height: 1.8;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin: 40px 0;
}

.stat-item {
    text-align: center;
    padding: 25px;
    background: var(--bg-light);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

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

.stat-label {
    font-size: 14px;
    color: var(--text-light);
    margin-top: 5px;
}

.about-image {
    position: relative;
}

.image-wrapper {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    border-radius: 20px;
    padding: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    box-shadow: 0 20px 60px rgba(30, 64, 175, 0.3);
}

.hvac-icon {
    font-size: 120px;
    color: white;
    animation: spin 20s linear infinite;
}

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

    100% {
        transform: rotate(360deg);
    }
}

.image-badge {
    position: absolute;
    bottom: 30px;
    right: 30px;
    background: white;
    padding: 15px 25px;
    border-radius: 50px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    color: var(--primary-color);
}

.image-badge i {
    font-size: 20px;
}

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

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card {
    background: white;
    padding: 35px;
    border-radius: 16px;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.12);
    border-color: var(--primary-color);
}

.service-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
    transition: all 0.3s ease;
}

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

.service-icon i {
    font-size: 32px;
    color: white;
}

.service-title {
    font-family: var(--font-primary);
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--text-dark);
}

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

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

.why-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 35px;
}

.why-card {
    text-align: center;
    padding: 40px 30px;
    background: var(--bg-light);
    border-radius: 16px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.why-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--accent-color) 100%);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.why-card:hover::before {
    transform: scaleX(1);
}

.why-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.1);
    background: white;
}

.why-icon {
    width: 80px;
    height: 80px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
}

.why-icon i {
    font-size: 36px;
    color: var(--primary-color);
}

.why-title {
    font-family: var(--font-primary);
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.why-description {
    font-size: 15px;
    color: var(--text-light);
    line-height: 1.7;
}

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

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.testimonial-card {
    background: white;
    padding: 35px;
    border-radius: 16px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.testimonial-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.15);
}

.testimonial-rating {
    display: flex;
    gap: 5px;
    margin-bottom: 20px;
}

.testimonial-rating i {
    color: var(--accent-color);
    font-size: 18px;
}

.testimonial-text {
    font-size: 15px;
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 25px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 15px;
    padding-top: 20px;
    border-top: 2px solid var(--bg-light);
}

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

.author-avatar i {
    color: white;
    font-size: 20px;
}

.author-name {
    font-weight: 600;
    font-size: 16px;
    color: var(--text-dark);
    margin-bottom: 3px;
}

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

/* ===================================
   Areas We Serve Section
   =================================== */
.areas {
    padding: var(--section-padding);
    background: white;
}

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

.areas-description {
    font-size: 16px;
    color: var(--text-light);
    margin-bottom: 30px;
    line-height: 1.8;
}

.areas-subtitle {
    font-family: var(--font-primary);
    font-size: 20px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 20px;
}

.cities-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    margin-bottom: 30px;
}

.cities-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 15px;
    color: var(--text-light);
    padding: 12px;
    background: var(--bg-light);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.cities-list li:hover {
    background: var(--primary-color);
    color: white;
    transform: translateX(5px);
}

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

.cities-list li:hover i {
    color: var(--accent-color);
}

.areas-note {
    background: rgba(30, 64, 175, 0.1);
    padding: 20px;
    border-radius: 12px;
    border-left: 4px solid var(--primary-color);
    font-size: 15px;
    color: var(--text-dark);
    line-height: 1.7;
}

.areas-note i {
    color: var(--primary-color);
    margin-right: 8px;
}

.areas-note a {
    color: var(--primary-color);
    font-weight: 600;
}

.areas-note a:hover {
    text-decoration: underline;
}

.map-container {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
    height: 500px;
}

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

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

.faq-item {
    background: white;
    margin-bottom: 20px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
}

.faq-item:hover {
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
}

.faq-question {
    width: 100%;
    background: none;
    border: none;
    padding: 25px 30px;
    text-align: left;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    font-family: var(--font-primary);
    font-size: 18px;
    font-weight: 600;
    color: var(--text-dark);
    transition: all 0.3s ease;
}

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

.faq-question i {
    font-size: 16px;
    color: var(--primary-color);
    transition: transform 0.3s ease;
}

.faq-question[aria-expanded="true"] i {
    transform: rotate(180deg);
}

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

.faq-answer p {
    padding: 0 30px 25px;
    font-size: 15px;
    color: var(--text-light);
    line-height: 1.8;
}

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

/* ===================================
   CTA Banner
   =================================== */
.cta-banner {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    padding: 80px 0;
    color: white;
    text-align: center;
}

.cta-title {
    font-family: var(--font-primary);
    font-size: 40px;
    font-weight: 700;
    margin-bottom: 15px;
}

.cta-subtitle {
    font-size: 18px;
    margin-bottom: 35px;
    opacity: 0.95;
}

.cta-actions {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

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

.btn-cta-primary:hover {
    background: var(--accent-dark);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(245, 158, 11, 0.4);
}

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

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

/* ===================================
   Footer
   =================================== */
.footer {
    background: #1a1a2e;
    color: #e0e0e0;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 50px;
    margin-bottom: 50px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
}

.footer-logo i {
    font-size: 32px;
    color: var(--primary-light);
}

.footer-logo span {
    font-size: 14px;
    line-height: 1.2;
    color: white;
}

.footer-logo strong {
    font-weight: 700;
    font-size: 18px;
}

.footer-description {
    font-size: 14px;
    line-height: 1.7;
    margin-bottom: 25px;
    opacity: 0.85;
}

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

.footer-social 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;
}

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

.footer-title {
    font-family: var(--font-primary);
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
    color: white;
}

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

.footer-links a {
    font-size: 14px;
    opacity: 0.85;
    transition: all 0.3s ease;
}

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

.footer-contact li {
    display: flex;
    gap: 12px;
    margin-bottom: 15px;
    font-size: 14px;
    opacity: 0.85;
}

.footer-contact i {
    color: var(--primary-light);
    margin-top: 3px;
    flex-shrink: 0;
}

.footer-contact a {
    transition: all 0.3s ease;
}

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

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

.footer-bottom p {
    font-size: 14px;
    opacity: 0.75;
    margin-bottom: 10px;
}

.footer-bottom a {
    color: var(--primary-light);
}

.footer-bottom a:hover {
    text-decoration: underline;
}

.footer-seo {
    font-size: 13px;
    opacity: 0.6;
}

/* ===================================
   Responsive Design - Tablet
   =================================== */
@media (max-width: 992px) {
    :root {
        --section-padding: 60px 0;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: white;
        padding: 40px 20px;
        transition: left 0.3s ease;
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    }

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

    .nav-menu ul {
        flex-direction: column;
        gap: 20px;
        align-items: flex-start;
    }

    .nav-link {
        font-size: 18px;
    }

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

    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(7px, 7px);
    }

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

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

    .hero-title {
        font-size: 40px;
    }

    .section-title {
        font-size: 36px;
    }

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

    .services-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }

    .why-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }

    .testimonials-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }

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

    /* Mobile Header Call Button Round & Icon Only */
    .cta-button {
        border-radius: 50%;
        width: 40px;
        height: 40px;
        padding: 0;
        justify-content: center;
        margin-right: 15px;
        flex-shrink: 0;
    }

    .cta-button span {
        display: none;
    }

    .cta-button i {
        font-size: 16px;
    }

    /* Ensure header content is aligned correctly */
    .logo {
        margin-right: auto;
    }
}

/* ===================================
   Responsive Design - Mobile
   =================================== */
@media (max-width: 768px) {
    .hero {
        padding: 80px 0 60px;
    }

    .hero-title {
        font-size: 32px;
    }

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

    .hero-features {
        gap: 20px;
    }

    .hero-feature {
        font-size: 14px;
    }

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

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

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

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

    .about-stats {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .services-grid,
    .why-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

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

    .map-container {
        height: 400px;
    }

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

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

    .footer-content {
        grid-template-columns: 1fr;
        gap: 35px;
    }


}

@media (max-width: 480px) {
    .hero-title {
        font-size: 26px;
    }

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

    .logo strong {
        font-size: 16px;
    }

    .service-card,
    .why-card,
    .testimonial-card {
        padding: 25px;
    }
}