/* ============================================
   Professional HVAC Website Styles
   Foster's Heating & Air
   ============================================ */

/* CSS Variables */
:root {
    --primary-color: #0066cc;
    --primary-dark: #0052a3;
    --primary-light: #3385d6;
    --secondary-color: #ff6600;
    --secondary-dark: #cc5200;
    --text-dark: #1a1a1a;
    --text-medium: #333333;
    --text-light: #555555;
    --bg-light: #f8f9fa;
    --bg-white: #ffffff;
    --border-color: #e0e0e0;
    --shadow-sm: 0 2px 4px 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);
    --transition: all 0.3s ease;
    --max-width: 1200px;
    --border-radius: 8px;
}

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

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.7;
    color: var(--text-dark);
    background-color: var(--bg-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-size: 17px;
}

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

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

ul {
    list-style: none;
}

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

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

h1 {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 800;
}

h2 {
    font-size: clamp(2rem, 4vw, 2.75rem);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 1.875rem);
}

p {
    margin-bottom: 1rem;
    color: var(--text-medium);
    font-size: 1.0625rem;
    line-height: 1.8;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 16px 36px;
    font-size: 1.125rem;
    font-weight: 600;
    text-align: center;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    text-transform: none;
    letter-spacing: 0.3px;
    line-height: 1.5;
    min-height: 52px;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
    box-shadow: var(--shadow-sm);
    font-weight: 700;
    text-shadow: none;
}

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

.btn-secondary {
    background-color: transparent;
    color: var(--primary-color);
    border: 3px solid var(--primary-color);
    font-weight: 700;
}

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

.btn-block {
    width: 100%;
}

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

.header.scrolled {
    box-shadow: var(--shadow-md);
}

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

.logo {
    height: 60px;
    width: auto;
    object-fit: contain;
}

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

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

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

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

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

.nav-cta {
    background-color: var(--primary-color);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
}

.nav-cta::after {
    display: none;
}

.nav-cta:hover {
    background-color: var(--primary-dark);
    color: white;
    transform: translateY(-2px);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--text-dark);
    transition: var(--transition);
    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);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    overflow: hidden;
    background: #f8f9fa;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('../images/hero-background.webp') center/cover;
    opacity: 1;
    z-index: 0;
}

.hero-background::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.1) 0%, rgba(0, 0, 0, 0.5) 100%);
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 2;
    color: white;
    max-width: 800px;
}

.hero-title {
    color: white;
    margin-bottom: 1.5rem;
    font-weight: 800;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5), 0 4px 20px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2vw, 1.25rem);
    color: rgba(255, 255, 255, 0.98);
    margin-bottom: 2.5rem;
    line-height: 1.7;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5), 0 1px 3px rgba(0, 0, 0, 0.4);
}

.hero-features {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    margin-bottom: 2.5rem;
}

.hero-feature {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 500;
    text-shadow: 0 2px 6px rgba(0, 0, 0, 0.5), 0 1px 2px rgba(0, 0, 0, 0.4);
}

.hero-feature .icon {
    width: 24px;
    height: 24px;
    stroke: white;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: stretch;
}

.hero-buttons .btn {
    flex: 1 1 auto;
    min-width: 200px;
}

/* Services Section */
.services {
    padding: 100px 0;
    background-color: var(--bg-white);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.service-card {
    background-color: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 2.5rem;
    text-align: center;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

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

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

.service-icon svg {
    width: 40px;
    height: 40px;
    stroke: white;
}

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

.service-description {
    margin-bottom: 1.5rem;
    color: var(--text-medium);
}

.service-features {
    text-align: left;
    margin-top: 1.5rem;
}

.service-features li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-medium);
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

/* Why Choose Us Section */
.why-choose-us {
    padding: 100px 0;
    background-color: var(--bg-light);
}

.why-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.why-text .section-title {
    text-align: left;
}

.why-text .section-subtitle {
    text-align: left;
    margin: 0 0 2.5rem 0;
}

.benefits-list {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.benefit-item {
    display: flex;
    gap: 1.5rem;
}

.benefit-icon {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    background-color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.benefit-icon svg {
    width: 28px;
    height: 28px;
    stroke: white;
}

.benefit-content h3 {
    margin-bottom: 0.5rem;
    font-size: 1.25rem;
}

.benefit-content p {
    margin: 0;
    color: var(--text-medium);
}

.why-image {
    position: relative;
}

.feature-image {
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    width: 100%;
    height: auto;
}

/* Service Area Section */
.service-area {
    padding: 80px 0;
    background-color: var(--bg-white);
}

.service-area-content {
    text-align: center;
}

.areas-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.area-item {
    padding: 1rem 2rem;
    background-color: var(--bg-light);
    border-radius: var(--border-radius);
    font-weight: 600;
    color: var(--text-dark);
    border: 2px solid var(--border-color);
    transition: var(--transition);
}

.area-item:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-2px);
}

/* Contact Section */
.contact {
    padding: 100px 0;
    background-color: var(--bg-light);
}

.contact-content {
    display: flex;
    justify-content: center;
    margin-top: 3rem;
}

.contact-info {
    max-width: 600px;
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
}

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

.contact-icon svg {
    width: 24px;
    height: 24px;
    stroke: white;
}

.contact-details h3 {
    margin-bottom: 0.5rem;
    font-size: 1.125rem;
}

.contact-details p {
    margin: 0;
    color: var(--text-medium);
}

.contact-details a {
    color: var(--primary-color);
    font-weight: 500;
}

.contact-details a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

/* Contact Form */
.contact-form {
    background-color: var(--bg-white);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
    background-color: var(--bg-white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Google Reviews Banner */
.reviews-banner {
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    padding: 80px 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.reviews-banner-content {
    max-width: 1200px;
    margin: 0 auto;
}

.reviews-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.google-logo {
    width: 60px;
    height: 60px;
    flex-shrink: 0;
}

.google-logo svg {
    width: 100%;
    height: 100%;
    display: block;
}

.reviews-title-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    align-items: center;
    text-align: center;
}

.reviews-title {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    color: var(--text-dark);
    margin: 0;
    font-weight: 700;
}

.reviews-rating {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
}

.stars {
    display: flex;
    gap: 0.25rem;
    align-items: center;
}

.stars svg {
    width: 24px;
    height: 24px;
    fill: #FFA500;
    color: #FFA500;
}

.rating-text {
    color: var(--text-medium);
    font-size: 1rem;
    font-weight: 500;
}

.reviews-widget-container {
    background: var(--bg-white);
    border-radius: var(--border-radius);
    padding: 2.5rem;
    box-shadow: var(--shadow-md);
    min-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.reviews-widget-placeholder {
    text-align: center;
    padding: 2rem;
}

.reviews-widget-placeholder p {
    font-size: 1.125rem;
    color: var(--text-medium);
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.reviews-widget-container iframe {
    width: 100%;
    min-height: 400px;
    border: none;
    border-radius: var(--border-radius);
}

.reviews-display {
    width: 100%;
}

.reviews-summary {
    text-align: center;
    margin-bottom: 2rem;
}

.reviews-message {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.75rem;
}

.reviews-submessage {
    font-size: 1rem;
    color: var(--text-medium);
    margin: 0;
}

.reviews-iframe-container {
    width: 100%;
    margin-bottom: 2rem;
}

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

.reviews-loading {
    text-align: center;
    padding: 2rem;
    color: var(--text-medium);
}

.reviews-loading p {
    margin: 0;
    font-size: 1.125rem;
}

.reviews-note {
    text-align: center;
    margin-top: 1rem;
    font-size: 0.9375rem;
    color: var(--text-light);
    font-style: italic;
}

/* Footer */
.footer {
    background-color: #1a1a1a;
    color: white;
    padding: 60px 0 20px;
}

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

.footer-logo {
    height: 60px;
    width: auto;
    margin-bottom: 1rem;
    filter: brightness(0) invert(1);
}

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

.footer-section h3 {
    color: white;
    margin-bottom: 1.5rem;
    font-size: 1.25rem;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition);
}

.footer-links a:hover {
    color: white;
    padding-left: 5px;
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

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

.footer-contact svg {
    width: 20px;
    height: 20px;
    stroke: white;
    flex-shrink: 0;
}

.footer-contact a {
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition);
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.875rem;
}

/* Responsive Design */
@media (max-width: 968px) {
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background-color: var(--bg-white);
        flex-direction: column;
        align-items: flex-start;
        padding: 2rem;
        box-shadow: var(--shadow-md);
        transition: var(--transition);
        gap: 0;
    }

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

    .nav-menu li {
        width: 100%;
    }

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

    .nav-cta {
        margin-top: 1rem;
        text-align: center;
    }

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

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

    .why-image {
        order: -1;
    }

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

@media (max-width: 768px) {
    body {
        font-size: 16px;
    }

    .hero {
        padding: 100px 0 60px;
        text-align: center;
    }

    .hero-features {
        justify-content: center;
    }

    .hero-buttons {
        justify-content: center;
        flex-direction: column;
        width: 100%;
    }

    .hero-buttons .btn {
        width: 100%;
        max-width: 100%;
        font-size: 1.125rem;
        padding: 18px 32px;
        min-height: 56px;
    }

    .btn {
        font-size: 1.125rem;
        padding: 18px 32px;
        min-height: 56px;
        width: 100%;
        max-width: 100%;
    }

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

    .section-header {
        margin-bottom: 3rem;
    }

    .services,
    .why-choose-us,
    .contact {
        padding: 60px 0;
    }

    .contact-form {
        padding: 1.5rem;
    }

    .reviews-banner {
        padding: 60px 0;
    }

    .reviews-header {
        flex-direction: column;
        text-align: center;
        gap: 1.5rem;
    }

    .reviews-widget-container {
        margin-top: 2rem;
    }

    p {
        font-size: 1rem;
        line-height: 1.75;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .logo {
        height: 50px;
    }

    .hero-title {
        font-size: 2rem;
    }

    .btn {
        font-size: 1.125rem;
        padding: 18px 28px;
        min-height: 56px;
        width: 100%;
    }

    .hero-buttons .btn {
        font-size: 1.125rem;
        padding: 18px 28px;
        min-height: 56px;
    }

    .service-card {
        padding: 2rem;
    }

    .benefit-item {
        flex-direction: column;
        text-align: center;
    }

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

    p {
        font-size: 1rem;
        line-height: 1.75;
    }
}

/* Smooth Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.service-card,
.benefit-item {
    animation: fadeInUp 0.6s ease-out;
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

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