/* =====================================================
   AC Repair Celina - Main Stylesheet
   Professional HVAC Services Landing Page
   ===================================================== */

/* ==================== CSS Variables ==================== */
:root {
    /* Primary Colors */
    --primary-color: #0066cc;
    --primary-dark: #004999;
    --primary-light: #3399ff;

    /* Secondary Colors */
    --secondary-color: #ff6b35;
    --secondary-dark: #e55a2b;
    --secondary-light: #ff8c5a;

    /* Neutral Colors */
    --dark: #1a1a2e;
    --dark-gray: #2d2d44;
    --gray: #6b7280;
    --light-gray: #9ca3af;
    --lighter-gray: #e5e7eb;
    --off-white: #f8fafc;
    --white: #ffffff;

    /* Status Colors */
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 3.75rem;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;

    /* Borders */
    --border-radius-sm: 0.25rem;
    --border-radius-md: 0.5rem;
    --border-radius-lg: 1rem;
    --border-radius-xl: 1.5rem;
    --border-radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 300ms ease;
    --transition-slow: 500ms ease;

    /* Z-Index */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal: 400;
    --z-tooltip: 500;
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--dark-gray);
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

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

ul, ol {
    list-style: none;
}

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

input, textarea, select {
    font-family: inherit;
    font-size: inherit;
}

address {
    font-style: normal;
}

/* ==================== Accessibility ==================== */
.skip-link {
    position: absolute;
    top: -100%;
    left: 0;
    background: var(--primary-color);
    color: var(--white);
    padding: var(--spacing-md) var(--spacing-lg);
    z-index: var(--z-tooltip);
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: 0;
}

/* Focus styles */
:focus-visible {
    outline: 3px solid var(--primary-color);
    outline-offset: 2px;
}

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

    html {
        scroll-behavior: auto;
    }
}

/* ==================== Container ==================== */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--spacing-xl);
    }
}

/* ==================== Buttons ==================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-base);
    font-weight: 600;
    border-radius: var(--border-radius-md);
    transition: all var(--transition-fast);
    white-space: nowrap;
}

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

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

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

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

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

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

.btn-lg {
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: var(--font-size-lg);
}

.btn-block {
    width: 100%;
}

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

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

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) 0;
    gap: var(--spacing-lg);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-xl);
    color: var(--primary-color);
    font-weight: 600;
}

.logo i {
    font-size: var(--font-size-2xl);
}

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

.nav-menu {
    display: none;
    gap: var(--spacing-xl);
}

@media (min-width: 1024px) {
    .nav-menu {
        display: flex;
    }
}

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

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

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

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

.header-cta {
    display: none;
    align-items: center;
    gap: var(--spacing-lg);
}

@media (min-width: 768px) {
    .header-cta {
        display: flex;
    }
}

.phone-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--dark);
    font-weight: 600;
}

.phone-link i {
    color: var(--primary-color);
}

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

/* Mobile Navigation Toggle */
.nav-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    width: 30px;
    height: 30px;
    cursor: pointer;
}

@media (min-width: 1024px) {
    .nav-toggle {
        display: none;
    }
}

.hamburger {
    position: relative;
    width: 24px;
    height: 2px;
    background: var(--dark);
    transition: background var(--transition-fast);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    left: 0;
    width: 24px;
    height: 2px;
    background: var(--dark);
    transition: transform var(--transition-fast);
}

.hamburger::before {
    top: -8px;
}

.hamburger::after {
    top: 8px;
}

.nav-toggle[aria-expanded="true"] .hamburger {
    background: transparent;
}

.nav-toggle[aria-expanded="true"] .hamburger::before {
    transform: rotate(45deg) translate(6px, 6px);
}

.nav-toggle[aria-expanded="true"] .hamburger::after {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* Mobile Menu */
.nav-menu.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-lg);
    gap: var(--spacing-md);
}

.nav-menu.active .nav-link {
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
}

.nav-menu.active .nav-link:hover {
    background: var(--off-white);
}

/* ==================== Hero Section ==================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    background: linear-gradient(135deg, #f0f7ff 0%, #e6f2ff 100%);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 800 800"><circle cx="400" cy="400" r="350" fill="none" stroke="%230066cc" stroke-width="2" opacity="0.1"/><circle cx="400" cy="400" r="250" fill="none" stroke="%230066cc" stroke-width="2" opacity="0.1"/><circle cx="400" cy="400" r="150" fill="none" stroke="%230066cc" stroke-width="2" opacity="0.1"/></svg>') no-repeat center;
    background-size: contain;
    opacity: 0.5;
}

.hero-content {
    position: relative;
    max-width: 700px;
    padding: var(--spacing-3xl) 0;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: var(--white);
    color: var(--primary-color);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--border-radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-md);
}

.hero-badge i {
    color: var(--warning);
}

.hero-title {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    color: var(--dark);
    line-height: 1.2;
    margin-bottom: var(--spacing-lg);
}

@media (min-width: 768px) {
    .hero-title {
        font-size: var(--font-size-5xl);
    }
}

@media (min-width: 1024px) {
    .hero-title {
        font-size: var(--font-size-6xl);
    }
}

.hero-title .highlight {
    color: var(--primary-color);
    position: relative;
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    color: var(--gray);
    margin-bottom: var(--spacing-2xl);
    max-width: 600px;
}

@media (min-width: 768px) {
    .hero-subtitle {
        font-size: var(--font-size-xl);
    }
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
}

.hero-features {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
}

.hero-feature {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--dark-gray);
    font-size: var(--font-size-sm);
}

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

/* ==================== Trust Badges ==================== */
.trust-badges {
    background: var(--white);
    padding: var(--spacing-2xl) 0;
    border-bottom: 1px solid var(--lighter-gray);
}

.badges-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    text-align: center;
}

@media (min-width: 768px) {
    .badges-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1024px) {
    .badges-grid {
        grid-template-columns: repeat(5, 1fr);
    }
}

.badge-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
}

.badge-item i {
    font-size: var(--font-size-2xl);
    color: var(--primary-color);
}

.badge-item span {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--dark-gray);
}

/* ==================== Section Styles ==================== */
section {
    padding: var(--spacing-4xl) 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-3xl);
}

.section-tag {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--white);
    padding: var(--spacing-xs) var(--spacing-lg);
    border-radius: var(--border-radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-md);
}

.section-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--dark);
    margin-bottom: var(--spacing-md);
}

@media (min-width: 768px) {
    .section-title {
        font-size: var(--font-size-4xl);
    }
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--gray);
}

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

.services-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
}

@media (min-width: 768px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.service-card {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

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

.service-card.featured {
    border: 2px solid var(--secondary-color);
}

.featured-badge {
    position: absolute;
    top: var(--spacing-lg);
    right: calc(var(--spacing-lg) * -1);
    background: var(--secondary-color);
    color: var(--white);
    padding: var(--spacing-xs) var(--spacing-2xl);
    font-size: var(--font-size-xs);
    font-weight: 700;
    text-transform: uppercase;
    transform: rotate(45deg);
    transform-origin: center;
}

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

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

.service-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--dark);
    margin-bottom: var(--spacing-md);
}

.service-description {
    color: var(--gray);
    margin-bottom: var(--spacing-lg);
}

.service-features {
    margin-bottom: var(--spacing-lg);
}

.service-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--dark-gray);
    font-size: var(--font-size-sm);
    padding: var(--spacing-xs) 0;
}

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

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

.service-link:hover {
    gap: var(--spacing-md);
}

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

.why-us-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

@media (min-width: 1024px) {
    .why-us-content {
        grid-template-columns: 1.2fr 1fr;
    }
}

.why-us-text .section-tag,
.why-us-text .section-title,
.why-us-text .section-subtitle {
    text-align: left;
}

.why-us-text .section-subtitle {
    margin-bottom: var(--spacing-2xl);
}

.benefits-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.benefit-item {
    display: flex;
    gap: var(--spacing-lg);
}

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

.benefit-icon i {
    color: var(--white);
    font-size: var(--font-size-xl);
}

.benefit-content h3 {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--dark);
    margin-bottom: var(--spacing-xs);
}

.benefit-content p {
    color: var(--gray);
    font-size: var(--font-size-sm);
}

.stats-card {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    border-radius: var(--border-radius-xl);
    padding: var(--spacing-3xl);
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-2xl);
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: var(--font-size-4xl);
    font-weight: 800;
    color: var(--white);
}

.stat-suffix {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    color: var(--white);
}

.stat-label {
    display: block;
    color: rgba(255, 255, 255, 0.8);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-xs);
}

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

.testimonials-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
}

@media (min-width: 768px) {
    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.testimonial-card {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-md);
}

.testimonial-rating {
    margin-bottom: var(--spacing-md);
}

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

.testimonial-text {
    font-size: var(--font-size-base);
    color: var(--dark-gray);
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

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

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

.author-name {
    display: block;
    font-weight: 600;
    color: var(--dark);
}

.author-location {
    font-size: var(--font-size-sm);
    color: var(--gray);
}

.testimonials-cta {
    text-align: center;
    margin-top: var(--spacing-2xl);
}

/* ==================== Service Area Section ==================== */
.service-area {
    background: var(--white);
}

.service-area-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
}

@media (min-width: 1024px) {
    .service-area-content {
        grid-template-columns: 1fr 1fr;
        align-items: start;
    }
}

.area-map {
    order: 2;
}

@media (min-width: 1024px) {
    .area-map {
        order: 1;
    }
}

.map-placeholder {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-4xl);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    min-height: 400px;
}

.map-placeholder i {
    font-size: 5rem;
    color: var(--white);
    margin-bottom: var(--spacing-lg);
    opacity: 0.8;
}

.map-placeholder p {
    color: var(--white);
    font-size: var(--font-size-lg);
    font-weight: 500;
}

.area-list {
    order: 1;
}

@media (min-width: 1024px) {
    .area-list {
        order: 2;
    }
}

.area-list h3 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--dark);
    margin-bottom: var(--spacing-xl);
}

.areas-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.area-column ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.area-column li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--dark-gray);
}

.area-column li i {
    color: var(--secondary-color);
    font-size: var(--font-size-xs);
}

.area-note {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--gray);
    font-size: var(--font-size-sm);
    padding: var(--spacing-md);
    background: var(--off-white);
    border-radius: var(--border-radius-md);
}

.area-note i {
    color: var(--primary-color);
}

/* ==================== Contact Section ==================== */
.contact {
    background: linear-gradient(135deg, var(--dark) 0%, var(--dark-gray) 100%);
    color: var(--white);
}

.contact .section-tag {
    background: rgba(255, 255, 255, 0.2);
}

.contact .section-title {
    color: var(--white);
}

.contact .section-subtitle {
    color: rgba(255, 255, 255, 0.7);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-3xl);
}

@media (min-width: 1024px) {
    .contact-wrapper {
        grid-template-columns: 1fr 1fr;
        align-items: start;
    }
}

.contact-info .section-tag,
.contact-info .section-title,
.contact-info .section-subtitle {
    text-align: left;
}

.contact-info .section-subtitle {
    margin-bottom: var(--spacing-2xl);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.contact-item {
    display: flex;
    gap: var(--spacing-lg);
    align-items: flex-start;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon i {
    color: var(--primary-light);
    font-size: var(--font-size-xl);
}

.contact-text strong {
    display: block;
    color: var(--white);
    margin-bottom: var(--spacing-xs);
}

.contact-text a,
.contact-text span {
    display: block;
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--font-size-sm);
}

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

.emergency-cta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--spacing-lg);
    background: rgba(255, 107, 53, 0.2);
    border: 1px solid var(--secondary-color);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
}

.emergency-cta > i {
    color: var(--secondary-color);
    font-size: var(--font-size-2xl);
}

.emergency-cta strong {
    color: var(--white);
}

.emergency-cta p {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--font-size-sm);
    margin: 0;
}

.emergency-cta .btn {
    margin-left: auto;
}

/* Contact Form */
.contact-form-wrapper {
    background: var(--white);
    border-radius: var(--border-radius-xl);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-2xl);
}

.contact-form h3 {
    color: var(--dark);
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-xl);
    text-align: center;
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

@media (min-width: 640px) {
    .form-row {
        grid-template-columns: repeat(2, 1fr);
    }
}

.form-group label {
    display: block;
    font-weight: 600;
    color: var(--dark-gray);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-sm);
}

.required {
    color: var(--error);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--lighter-gray);
    border-radius: var(--border-radius-md);
    background: var(--white);
    color: var(--dark);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

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

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--light-gray);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-group input.error,
.form-group textarea.error {
    border-color: var(--error);
}

.error-message {
    display: block;
    color: var(--error);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-xs);
    min-height: 1.25rem;
}

.btn-text,
.btn-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.form-disclaimer {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    color: var(--gray);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-lg);
}

.form-disclaimer i {
    color: var(--success);
}

.form-success {
    text-align: center;
    padding: var(--spacing-3xl);
}

.form-success i {
    font-size: 4rem;
    color: var(--success);
    margin-bottom: var(--spacing-lg);
}

.form-success h3 {
    color: var(--dark);
    margin-bottom: var(--spacing-md);
}

.form-success p {
    color: var(--gray);
}

/* ==================== Footer ==================== */
.footer {
    background: var(--dark);
    color: rgba(255, 255, 255, 0.7);
    padding-top: var(--spacing-4xl);
}

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

@media (min-width: 768px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr 1.5fr;
    }
}

.footer-logo {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-xl);
    color: var(--white);
    margin-bottom: var(--spacing-lg);
}

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

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

.footer-brand p {
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

.footer-social {
    display: flex;
    gap: var(--spacing-md);
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    transition: all var(--transition-fast);
}

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

.footer-links h4,
.footer-contact h4 {
    color: var(--white);
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

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

.footer-links a:hover {
    color: var(--white);
    padding-left: var(--spacing-sm);
}

.footer-contact address p {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.footer-contact address i {
    color: var(--primary-light);
    margin-top: 4px;
}

.footer-contact address a {
    color: rgba(255, 255, 255, 0.7);
}

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

.footer-hours {
    margin-top: var(--spacing-xl);
}

.footer-hours h5 {
    color: var(--white);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.footer-hours p {
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-xs);
}

.footer-hours .emergency {
    color: var(--secondary-color);
    font-weight: 600;
    margin-top: var(--spacing-sm);
}

.footer-bottom {
    padding: var(--spacing-xl) 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
    font-size: var(--font-size-sm);
}

.footer-nav {
    display: flex;
    gap: var(--spacing-lg);
}

.footer-nav a {
    color: rgba(255, 255, 255, 0.7);
}

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

/* ==================== Back to Top Button ==================== */
.back-to-top {
    position: fixed;
    bottom: var(--spacing-xl);
    right: var(--spacing-xl);
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: var(--white);
    border-radius: var(--border-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-normal);
    z-index: var(--z-fixed);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

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

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

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

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

/* Staggered animations */
.services-grid .service-card,
.testimonials-grid .testimonial-card,
.benefits-list .benefit-item {
    opacity: 0;
    transform: translateY(30px);
}

.services-grid .service-card.visible,
.testimonials-grid .testimonial-card.visible,
.benefits-list .benefit-item.visible {
    animation: fadeInUp 0.6s ease forwards;
}

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

.hidden {
    display: none !important;
}

[hidden] {
    display: none !important;
}

/* Print Styles */
@media print {
    .header,
    .back-to-top,
    .emergency-cta,
    .hero-cta,
    .footer-social {
        display: none !important;
    }

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

    .hero {
        min-height: auto;
        padding: 2rem 0;
    }

    section {
        padding: 2rem 0;
        page-break-inside: avoid;
    }
}