/* ============================================
   North Dallas Plumbing & Leak LLC - Styles
   ============================================ */

/* CSS Custom Properties (Brand Colors) */
:root {
    --color-primary-red: #B40000;
    --color-primary-red-dark: #9A0000;
    --color-black: #000000;
    --color-white: #FFFFFF;
    --color-dark-grey: #222222;
    --color-light-grey: #F5F5F5;
    --color-medium-grey: #666666;
    
    /* Typography */
    --font-heading: 'Oswald', sans-serif;
    --font-body: 'Lato', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;
    
    /* Transitions */
    --transition-fast: 0.15s ease-out;
    --transition-medium: 0.2s ease-out;
    --transition-slow: 0.3s ease-in-out;
    --transition-scroll: 0.4s ease-out;
    
    /* Border Radius */
    --radius-sm: 5px;
    --radius-md: 8px;
    --radius-lg: 12px;
    
    /* Shadows */
    --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);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-dark-grey);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Headings */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-dark-grey);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

@media (min-width: 768px) {
    h1 { font-size: 3rem; }
    h2 { font-size: 2.5rem; }
    h3 { font-size: 1.75rem; }
}

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

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

a:focus {
    outline: 2px solid var(--color-primary-red);
    outline-offset: 2px;
}

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

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Section Title */
.section-title {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    position: relative;
    color: var(--color-dark-grey);
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background-color: var(--color-primary-red);
    margin: var(--spacing-sm) auto 0;
}

/* ============================================
   CTA Buttons
   ============================================ */

/* Primary CTA - Micro-interaction: scale and shadow on hover */
.cta.primary {
    display: inline-block;
    background-color: var(--color-primary-red);
    color: var(--color-white);
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    padding: 0.875rem 1.75rem;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border: none;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-medium), 
                box-shadow var(--transition-medium), 
                background-color var(--transition-medium);
}

/* CTA 3D Push Effect - Micro-interaction */
.cta.primary:hover {
    background-color: var(--color-primary-red-dark);
    transform: scale(1.02) translateY(1px);
    box-shadow: var(--shadow-md);
}

.cta.primary:focus {
    outline: 3px solid var(--color-primary-red);
    outline-offset: 2px;
}

.cta.primary.large {
    font-size: 1.125rem;
    padding: 1rem 2.5rem;
}

/* Secondary CTA */
.cta.secondary {
    display: inline-block;
    background-color: transparent;
    color: var(--color-primary-red);
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 600;
    padding: 0.625rem 1.25rem;
    border: 2px solid var(--color-primary-red);
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: all var(--transition-medium);
}

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

/* Tertiary CTA */
.cta.tertiary {
    display: inline-block;
    color: var(--color-primary-red);
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 700;
    position: relative;
}

.cta.tertiary::after {
    content: ' \2192';
    transition: transform var(--transition-fast);
    display: inline-block;
}

.cta.tertiary:hover::after {
    transform: translateX(4px);
}

/* ============================================
   Navigation Bar
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: var(--color-dark-grey);
    box-shadow: var(--shadow-sm);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-sm) var(--spacing-md);
}

.logo img {
    height: 50px;
    width: auto;
}

.nav-links {
    display: none;
    list-style: none;
    gap: var(--spacing-lg);
}

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

/* Nav Link Center-Out Underline - Micro-interaction */
.nav-links a {
    color: var(--color-white);
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: relative;
    padding: 0.25rem 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background-color: var(--color-primary-red);
    transition: width var(--transition-fast), left var(--transition-fast);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
    left: 0;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--color-primary-red);
}

.nav-cta {
    display: none;
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
}

@media (min-width: 768px) {
    .nav-cta {
        display: inline-block;
    }
}

/* Mobile Navigation Toggle */
.mobile-nav-toggle {
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    width: 30px;
    height: 24px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
}

@media (min-width: 768px) {
    .mobile-nav-toggle {
        display: none;
    }
}

.hamburger-line {
    display: block;
    width: 100%;
    height: 3px;
    background-color: var(--color-white);
    border-radius: 2px;
    transition: all var(--transition-slow);
    transform-origin: center;
}

/* Hamburger to X animation - Micro-interaction */
.mobile-nav-toggle.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.mobile-nav-toggle.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

.mobile-nav-toggle.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    max-width: 300px;
    height: 100vh;
    background-color: var(--color-dark-grey);
    z-index: 999;
    transition: right var(--transition-slow);
    padding: var(--spacing-xl) var(--spacing-md);
}

.mobile-menu.active {
    right: 0;
}

.mobile-logo img {
    height: 60px;
    margin-bottom: var(--spacing-lg);
}

.mobile-nav-links {
    list-style: none;
    margin-bottom: var(--spacing-lg);
}

.mobile-nav-links li {
    margin-bottom: var(--spacing-sm);
}

.mobile-nav-links a {
    color: var(--color-white);
    font-family: var(--font-heading);
    font-size: 1.25rem;
    text-transform: uppercase;
    display: block;
    padding: var(--spacing-xs) 0;
}

.mobile-nav-links a:hover,
.mobile-nav-links a.active {
    color: var(--color-primary-red);
}

.mobile-cta {
    display: block;
    text-align: center;
}

/* Mobile Menu Overlay */
.mobile-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 998;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-slow);
}

.mobile-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-image: url('../assets/images/hero_background.webp');
    background-size: cover;
    background-position: center;
    background-attachment: scroll;
    padding: var(--spacing-xxl) var(--spacing-md);
    padding-top: calc(var(--spacing-xxl) + 70px);
}

/* Subtle Parallax Effect - Micro-interaction */
@media (min-width: 768px) {
    .hero {
        background-attachment: fixed;
    }
}

/* Hero Overlay with subtle texture hint */
.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(34, 34, 34, 0.65);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
}

.hero-title {
    color: var(--color-white);
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

@media (min-width: 768px) {
    .hero-title {
        font-size: 3rem;
    }
}

@media (min-width: 1024px) {
    .hero-title {
        font-size: 3.5rem;
    }
}

.trust-element {
    color: var(--color-primary-red);
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: var(--spacing-lg);
}

.hero-cta {
    font-size: 1.125rem;
}

/* ============================================
   Services Section
   ============================================ */
.services-section {
    padding: var(--spacing-xxl) 0;
    background-color: var(--color-white);
}

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

@media (min-width: 576px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 992px) {
    .services-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Service Card Hover Effect - Micro-interaction */
.service-card {
    background-color: var(--color-white);
    border: 1px solid #E0E0E0;
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    text-align: center;
    transition: transform var(--transition-medium), box-shadow var(--transition-medium);
}

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

.service-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.service-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.service-card h3 {
    color: var(--color-dark-grey);
    margin-bottom: var(--spacing-sm);
    font-size: 1.25rem;
}

.service-card p {
    color: var(--color-medium-grey);
    margin-bottom: var(--spacing-md);
    font-size: 0.95rem;
}

/* ============================================
   Process Section
   ============================================ */
.process-section {
    padding: var(--spacing-xxl) 0;
    background-color: var(--color-light-grey);
}

.process-steps {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    max-width: 800px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .process-steps {
        flex-direction: row;
        justify-content: space-between;
        max-width: 100%;
    }
}

/* Process Step Scroll Animation - Micro-interaction */
.process-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
    flex: 1;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity var(--transition-scroll), transform var(--transition-scroll);
}

.process-step.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.process-step::before {
    content: attr(data-step);
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 30px;
    height: 30px;
    background-color: var(--color-primary-red);
    color: var(--color-white);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.875rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
}

.process-icon {
    width: 80px;
    height: 80px;
    background-color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    margin-top: var(--spacing-md);
    box-shadow: var(--shadow-sm);
}

.process-icon img {
    width: 50px;
    height: 50px;
    object-fit: contain;
}

.process-content h3 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xs);
    color: var(--color-dark-grey);
}

.process-content p {
    font-size: 0.9rem;
    color: var(--color-medium-grey);
}

/* Process Line Animation - Micro-interaction (SVG line draw) */
.process-line {
    display: none;
}

@media (min-width: 768px) {
    .process-line {
        display: block;
        position: absolute;
        top: 60px;
        right: -50%;
        width: 100%;
        height: 2px;
        background: linear-gradient(to right, var(--color-primary-red) 0%, var(--color-primary-red) var(--line-progress, 0%), #DDD var(--line-progress, 0%), #DDD 100%);
        z-index: 1;
    }
    
    .process-step:last-child .process-line {
        display: none;
    }
}

/* ============================================
   About Preview Section
   ============================================ */
.about-preview-section {
    padding: var(--spacing-xxl) 0;
    background-color: var(--color-white);
}

.about-preview-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
    align-items: center;
}

@media (min-width: 768px) {
    .about-preview-content {
        flex-direction: row;
    }
}

.about-text {
    flex: 1;
}

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

.about-text .section-title::after {
    margin-left: 0;
}

.about-history,
.about-plumber {
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.about-image {
    flex: 0 0 350px;
}

.about-image img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

/* ============================================
   Testimonials Section
   ============================================ */
.testimonials-section {
    padding: var(--spacing-xxl) 0;
    background-color: var(--color-dark-grey);
}

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

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

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

.testimonial-card {
    background-color: var(--color-white);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    position: relative;
}

.quote-icon {
    font-family: Georgia, serif;
    font-size: 4rem;
    color: var(--color-primary-red);
    opacity: 0.3;
    line-height: 1;
    position: absolute;
    top: var(--spacing-sm);
    left: var(--spacing-md);
}

.testimonial-card blockquote {
    margin-top: var(--spacing-lg);
}

.testimonial-card blockquote p {
    font-style: italic;
    color: var(--color-dark-grey);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.testimonial-card cite {
    display: block;
    font-style: normal;
    font-weight: 700;
    color: var(--color-primary-red);
}

/* ============================================
   Blog Section
   ============================================ */
.blog-section {
    padding: var(--spacing-xxl) 0;
    background-color: var(--color-light-grey);
}

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

@media (min-width: 576px) {
    .blog-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 992px) {
    .blog-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Blog Card Hover Effect - Micro-interaction */
.blog-card {
    background-color: var(--color-white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-medium), box-shadow var(--transition-medium);
}

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

.blog-thumbnail {
    height: 200px;
    overflow: hidden;
}

.blog-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.blog-card:hover .blog-thumbnail img {
    transform: scale(1.05);
}

.blog-content {
    padding: var(--spacing-md);
}

.blog-content h3 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-dark-grey);
}

.blog-content p {
    font-size: 0.9rem;
    color: var(--color-medium-grey);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

/* ============================================
   CTA Section
   ============================================ */
.cta-section {
    padding: var(--spacing-xxl) 0;
    background-color: var(--color-primary-red);
    text-align: center;
}

.cta-section h2 {
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.cta-section p {
    color: var(--color-white);
    opacity: 0.9;
    margin-bottom: var(--spacing-lg);
    font-size: 1.125rem;
}

.cta-section .cta.primary {
    background-color: var(--color-white);
    color: var(--color-primary-red);
}

.cta-section .cta.primary:hover {
    background-color: var(--color-light-grey);
    transform: scale(1.02) translateY(1px);
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background-color: var(--color-dark-grey);
    color: var(--color-white);
    padding: var(--spacing-xxl) 0 var(--spacing-lg);
}

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

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

.footer-column h4 {
    color: var(--color-white);
    font-size: 1.125rem;
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-contact .phone a {
    color: var(--color-primary-red);
    font-size: 1.5rem;
    font-weight: 700;
    font-family: var(--font-heading);
}

.footer-contact .address {
    margin: var(--spacing-sm) 0;
    line-height: 1.6;
}

.business-hours {
    font-size: 0.9rem;
    line-height: 1.8;
}

.footer-nav ul {
    list-style: none;
}

.footer-nav li {
    margin-bottom: var(--spacing-xs);
}

.footer-nav a {
    color: var(--color-white);
    opacity: 0.8;
    transition: opacity var(--transition-fast), color var(--transition-fast);
}

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

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

/* Social Icon Hover Rotation - Micro-interaction */
.social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--color-white);
    transition: transform var(--transition-medium), background-color var(--transition-medium);
}

.social-icon:hover {
    transform: rotate(5deg);
    background-color: var(--color-primary-red);
}

.social-icon svg {
    width: 20px;
    height: 20px;
}

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

.footer-bottom p {
    font-size: 0.875rem;
    opacity: 0.8;
    margin-bottom: var(--spacing-xs);
}

.footer-bottom .license {
    color: var(--color-primary-red);
    font-weight: 600;
}

/* ============================================
   Contact Form (for contact.html)
   ============================================ */
.contact-form-section {
    padding: var(--spacing-xxl) 0;
    background-color: var(--color-white);
}

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

@media (min-width: 768px) {
    .contact-form-container {
        grid-template-columns: 1fr 1fr;
    }
}

.contact-info-panel h2 {
    margin-bottom: var(--spacing-md);
}

.contact-info-panel p {
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.contact-form {
    background-color: var(--color-light-grey);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
}

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

.form-group label {
    display: block;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    color: var(--color-dark-grey);
}

/* Input Focus Effect - Micro-interaction */
.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.875rem;
    border: 2px solid #DDD;
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary-red);
    box-shadow: 0 0 0 3px rgba(180, 0, 0, 0.1);
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

/* ============================================
   Gallery Page
   ============================================ */
.gallery-section {
    padding: var(--spacing-xxl) 0;
    background-color: var(--color-white);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-md);
    aspect-ratio: 4/3;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.gallery-item:hover img {
    transform: scale(1.05);
}

/* ============================================
   Page Header (for inner pages)
   ============================================ */
.page-header {
    background-color: var(--color-dark-grey);
    padding: var(--spacing-xxl) var(--spacing-md);
    padding-top: calc(var(--spacing-xxl) + 70px);
    text-align: center;
}

.page-header h1 {
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.page-header p {
    color: var(--color-white);
    opacity: 0.8;
    max-width: 600px;
    margin: 0 auto;
}

/* ============================================
   Accessibility: Reduced Motion
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .hero {
        background-attachment: scroll;
    }
    
    .process-step {
        opacity: 1;
        transform: none;
    }
    
    .cta.primary:hover {
        transform: none;
    }
    
    .service-card:hover,
    .blog-card:hover {
        transform: none;
    }
    
    .social-icon:hover {
        transform: none;
    }
}

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

button:focus-visible,
a:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 3px solid var(--color-primary-red);
    outline-offset: 2px;
}

/* Skip Link for Accessibility */
.skip-link {
    position: absolute;
    top: -100px;
    left: 0;
    background: var(--color-primary-red);
    color: var(--color-white);
    padding: var(--spacing-sm) var(--spacing-md);
    z-index: 10000;
    transition: top var(--transition-fast);
}

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

/* ============================================
   Services Page Specific Styles
   ============================================ */
.services-detail-section {
    padding: var(--spacing-xxl) 0;
}

.services-detail-section:nth-child(even) {
    background-color: var(--color-light-grey);
}

.service-detail-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
    align-items: center;
}

@media (min-width: 768px) {
    .service-detail-content {
        flex-direction: row;
    }
    
    .service-detail-content.reverse {
        flex-direction: row-reverse;
    }
}

.service-detail-text {
    flex: 1;
}

.service-detail-text h2 {
    margin-bottom: var(--spacing-md);
    color: var(--color-dark-grey);
}

.service-detail-text ul {
    list-style: none;
    margin: var(--spacing-md) 0;
}

.service-detail-text li {
    position: relative;
    padding-left: var(--spacing-md);
    margin-bottom: var(--spacing-xs);
}

.service-detail-text li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 8px;
    height: 8px;
    background-color: var(--color-primary-red);
    border-radius: 50%;
}

.service-detail-icon {
    flex: 0 0 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.service-detail-icon img {
    width: 150px;
    height: 150px;
    object-fit: contain;
}