/* =========================================
   Culpepper Plumbing & A/C Inc. - Styles
   Brand Colors:
   - Primary Text/Header/Footer: #000000
   - Accent/CTA: #2E539F
   - Background: #F8F8F8
   - Earthy Accent: #B87333
   Fonts: Inter (headings), Lora (body)
========================================= */

/* =========================================
   CSS Custom Properties
========================================= */
:root {
    /* Brand Colors */
    --color-black: #000000;
    --color-accent: #2E539F;
    --color-accent-dark: #254580;
    --color-background: #F8F8F8;
    --color-earthy: #B87333;
    --color-white: #FFFFFF;
    
    /* Semantic Colors */
    --color-text-primary: var(--color-black);
    --color-text-secondary: #555555;
    --color-text-light: #777777;
    --color-border: #E0E0E0;
    --color-shadow: rgba(0, 0, 0, 0.1);
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-secondary: 'Lora', Georgia, 'Times New Roman', serif;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    
    /* Layout */
    --container-max: 1200px;
    --header-height: 72px;
    
    /* Transitions */
    --transition-fast: 0.15s ease-out;
    --transition-base: 0.2s ease-in-out;
    --transition-slow: 0.3s ease;
    --transition-smooth: 0.4s ease-out;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px var(--color-shadow);
    --shadow-md: 0 4px 12px var(--color-shadow);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
    --shadow-card-hover: 0 12px 28px rgba(0, 0, 0, 0.15);
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
}

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

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

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

body {
    font-family: var(--font-secondary);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-text-primary);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    color: inherit;
    text-decoration: none;
}

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

ul, ol {
    list-style: none;
}

/* Skip Link for Accessibility */
.skip-link {
    position: absolute;
    top: -100px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-accent);
    color: var(--color-white);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-sm);
    z-index: 10000;
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: 10px;
}

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

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

/* =========================================
   Typography
========================================= */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-text-primary);
}

.section-title {
    font-size: 1.75rem;
    margin-bottom: var(--space-md);
}

@media (min-width: 768px) {
    .section-title {
        font-size: 2.25rem;
    }
}

.section-description {
    font-family: var(--font-secondary);
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    max-width: 700px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

/* =========================================
   Buttons
========================================= */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 1.75rem;
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    transition: transform var(--transition-base), background-color var(--transition-base), box-shadow var(--transition-base);
    cursor: pointer;
    text-decoration: none;
}

/* Primary CTA - Brand Blue with hover effects */
/* MICRO-INTERACTION: CTA button scale and color change on hover */
.btn-primary {
    background-color: var(--color-accent);
    color: var(--color-white);
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    background-color: var(--color-accent-dark);
    transform: scale(1.02);
    box-shadow: var(--shadow-md);
}

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

.btn-primary:active {
    transform: scale(0.98);
}

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

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

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

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.logo-link {
    display: flex;
    align-items: center;
    z-index: 1001;
}

.logo-header {
    height: 50px;
    width: auto;
}

.logo-mobile {
    display: none;
    height: 40px;
    width: auto;
}

@media (max-width: 767px) {
    .logo-header {
        display: none;
    }
    .logo-mobile {
        display: block;
    }
}

/* MICRO-INTERACTION: Logo subtle tilt on scroll */
.site-header.scrolled .logo-link img {
    transform: scale(1.01);
}

.nav-links {
    display: none;
    align-items: center;
    gap: var(--space-xl);
}

@media (min-width: 992px) {
    .nav-links {
        display: flex;
    }
}

/* MICRO-INTERACTION: Nav link underline animation */
.nav-link {
    position: relative;
    font-family: var(--font-primary);
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-text-primary);
    padding: var(--space-sm) 0;
    transition: color var(--transition-fast);
}

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

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

.nav-link:hover,
.nav-link.active {
    color: var(--color-accent);
}

.nav-cta {
    display: none;
    padding: 0.625rem 1.25rem;
    background-color: var(--color-accent);
    color: var(--color-white);
    font-family: var(--font-primary);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    transition: background-color var(--transition-base), transform var(--transition-base);
}

@media (min-width: 992px) {
    .nav-cta {
        display: inline-flex;
    }
}

.nav-cta:hover {
    background-color: var(--color-accent-dark);
    transform: scale(1.02);
}

/* Mobile Menu Toggle */
/* MICRO-INTERACTION: Hamburger to X animation */
.mobile-menu-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 44px;
    height: 44px;
    padding: var(--space-sm);
    z-index: 1001;
}

@media (min-width: 992px) {
    .mobile-menu-toggle {
        display: none;
    }
}

.hamburger-line {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-black);
    margin: 3px 0;
    transition: transform var(--transition-slow), opacity var(--transition-slow);
}

.mobile-menu-toggle.active .hamburger-line:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

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

.mobile-menu-toggle.active .hamburger-line:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

/* Mobile Navigation Overlay */
.mobile-nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--color-white);
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-slow), visibility var(--transition-slow);
}

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

.mobile-nav-links {
    text-align: center;
}

.mobile-nav-link {
    display: block;
    font-family: var(--font-primary);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-text-primary);
    padding: var(--space-md);
    transition: color var(--transition-fast);
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
    color: var(--color-accent);
}

.mobile-nav-cta {
    display: inline-block;
    margin-top: var(--space-lg);
    padding: 0.875rem 2rem;
    background-color: var(--color-accent);
    color: var(--color-white);
    font-family: var(--font-primary);
    font-size: 1.125rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
}

/* =========================================
   Hero Section
========================================= */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: calc(var(--header-height) + var(--space-2xl)) var(--space-md) var(--space-2xl);
    overflow: hidden;
}

/* MICRO-INTERACTION: Hero background subtle parallax effect */
.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    will-change: transform;
    transition: transform 0.1s linear;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        to bottom,
        rgba(0, 0, 0, 0.55) 0%,
        rgba(0, 0, 0, 0.45) 50%,
        rgba(0, 0, 0, 0.6) 100%
    );
}

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

.hero-company {
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-white);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-sm);
    opacity: 0.9;
}

.hero-headline {
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-white);
    margin-bottom: var(--space-lg);
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

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

@media (min-width: 992px) {
    .hero-headline {
        font-size: 3.5rem;
    }
}

.hero-trust {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

@media (min-width: 480px) {
    .hero-trust {
        flex-direction: row;
        justify-content: center;
    }
}

.trust-badge {
    display: inline-block;
    padding: var(--space-sm) var(--space-md);
    background-color: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(4px);
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: var(--radius-sm);
    font-family: var(--font-primary);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-white);
}

.hero-phone {
    font-family: var(--font-primary);
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-white);
    text-decoration: underline;
    text-decoration-color: var(--color-earthy);
    text-underline-offset: 4px;
}

.hero-phone:hover {
    text-decoration-color: var(--color-white);
}

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

/* =========================================
   Services Section
========================================= */
.services-section {
    padding: var(--space-3xl) 0;
    background-color: var(--color-white);
}

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

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

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

/* MICRO-INTERACTION: Service card lift and shadow on hover */
.service-card {
    padding: var(--space-xl);
    background-color: var(--color-background);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
    /* Subtle paper-like texture */
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.02'/%3E%3C/svg%3E");
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-card-hover);
}

/* MICRO-INTERACTION: Icon color change and slight vertical shift on hover */
.service-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    margin-bottom: var(--space-md);
    background-color: var(--color-white);
    border-radius: var(--radius-md);
    color: var(--color-accent);
    transition: color var(--transition-base), transform var(--transition-base);
}

.service-card:hover .service-icon {
    color: var(--color-accent);
    transform: translateY(-2px);
}

.service-title {
    font-size: 1.25rem;
    margin-bottom: var(--space-sm);
}

.service-desc {
    font-family: var(--font-secondary);
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

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

/* =========================================
   About Section
========================================= */
.about-section {
    padding: var(--space-3xl) 0;
    background-color: var(--color-background);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
    align-items: center;
}

@media (min-width: 992px) {
    .about-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.about-image-wrapper {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.about-image {
    width: 100%;
    height: auto;
    object-fit: cover;
}

.about-content {
    order: -1;
}

@media (min-width: 992px) {
    .about-content {
        order: 0;
    }
}

.about-subtitle {
    font-family: var(--font-secondary);
    font-size: 1.25rem;
    font-style: italic;
    color: var(--color-accent);
    margin-bottom: var(--space-md);
}

.about-text {
    font-family: var(--font-secondary);
    font-size: 1.0625rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-lg);
    line-height: 1.7;
}

.about-features {
    margin-bottom: var(--space-xl);
}

.about-feature {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
    font-family: var(--font-primary);
    font-size: 0.9375rem;
    font-weight: 500;
}

.feature-icon {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    margin-top: 2px;
    background-color: var(--color-accent);
    border-radius: 50%;
    position: relative;
}

.feature-icon::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 8px;
    height: 8px;
    border-left: 2px solid var(--color-white);
    border-bottom: 2px solid var(--color-white);
    transform: translate(-50%, -60%) rotate(-45deg);
}

/* =========================================
   Process Section
========================================= */
.process-section {
    padding: var(--space-3xl) 0;
    background-color: var(--color-white);
}

.process-steps {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xl);
    counter-reset: step-counter;
}

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

@media (min-width: 992px) {
    .process-steps {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* MICRO-INTERACTION: Process step fade-in on scroll (handled in JS) */
.process-step {
    position: relative;
    text-align: center;
    padding-top: var(--space-lg);
    opacity: 1;
    transform: translateY(0);
    transition: opacity var(--transition-smooth), transform var(--transition-smooth);
}

.process-step.hidden {
    opacity: 0;
    transform: translateY(20px);
}

.process-step::before {
    content: attr(data-step);
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-accent);
    color: var(--color-white);
    font-family: var(--font-primary);
    font-size: 0.875rem;
    font-weight: 700;
    border-radius: 50%;
}

.process-step-image {
    width: 120px;
    height: 120px;
    margin: var(--space-lg) auto var(--space-md);
    border-radius: 50%;
    overflow: hidden;
    background-color: var(--color-background);
}

.process-step-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.process-step-title {
    font-size: 1.125rem;
    margin-bottom: var(--space-sm);
}

.process-step-desc {
    font-family: var(--font-secondary);
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
}

/* =========================================
   Testimonials Section
========================================= */
.testimonials-section {
    padding: var(--space-3xl) 0;
    background-color: var(--color-background);
}

.testimonials-carousel {
    position: relative;
    max-width: 700px;
    margin: 0 auto;
    min-height: 280px;
}

/* MICRO-INTERACTION: Testimonial carousel fade transition */
.testimonial-card {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.testimonial-card.active {
    opacity: 1;
    visibility: visible;
    position: relative;
}

.testimonial-content {
    padding: var(--space-xl);
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
}

.testimonial-quote {
    font-family: var(--font-secondary);
    font-size: 1.125rem;
    font-style: italic;
    color: var(--color-text-primary);
    line-height: 1.7;
    margin-bottom: var(--space-lg);
}

.testimonial-quote::before {
    content: '"';
    font-size: 3rem;
    line-height: 0;
    vertical-align: -0.5em;
    color: var(--color-accent);
    margin-right: var(--space-xs);
}

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

.testimonial-avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    object-fit: cover;
}

.testimonial-info {
    text-align: left;
}

.testimonial-name {
    display: block;
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 600;
    font-style: normal;
}

.testimonial-location {
    font-family: var(--font-secondary);
    font-size: 0.875rem;
    color: var(--color-text-light);
}

.testimonial-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    margin-top: var(--space-xl);
}

.testimonial-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: 50%;
    color: var(--color-text-primary);
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

.testimonial-btn:hover {
    background-color: var(--color-accent);
    color: var(--color-white);
    border-color: var(--color-accent);
}

.testimonial-dots {
    display: flex;
    gap: var(--space-sm);
}

.dot {
    width: 10px;
    height: 10px;
    background-color: var(--color-border);
    border-radius: 50%;
    transition: background-color var(--transition-fast);
}

.dot.active {
    background-color: var(--color-accent);
}

.dot:hover {
    background-color: var(--color-accent);
}

/* =========================================
   Blog Preview Section
========================================= */
.blog-section {
    padding: var(--space-3xl) 0;
    background-color: var(--color-white);
}

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

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

/* MICRO-INTERACTION: Blog card lift on hover */
.blog-card {
    background-color: var(--color-background);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--color-border);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.blog-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-card-hover);
}

.blog-image {
    aspect-ratio: 16 / 9;
    overflow: hidden;
}

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

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

.blog-content {
    padding: var(--space-lg);
}

.blog-date {
    font-family: var(--font-primary);
    font-size: 0.8125rem;
    color: var(--color-text-light);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.blog-title {
    font-size: 1.0625rem;
    margin: var(--space-sm) 0 var(--space-md);
    line-height: 1.4;
}

.blog-link {
    font-family: var(--font-primary);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-accent);
    transition: color var(--transition-fast);
}

.blog-link:hover {
    color: var(--color-accent-dark);
    text-decoration: underline;
}

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

/* =========================================
   Contact Section
========================================= */
.contact-section {
    padding: var(--space-3xl) 0;
    background-color: var(--color-background);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
}

@media (min-width: 992px) {
    .contact-grid {
        grid-template-columns: 1.2fr 0.8fr;
    }
}

.contact-form-wrapper {
    background-color: var(--color-white);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.contact-subtitle {
    font-family: var(--font-secondary);
    font-size: 1.0625rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xl);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.form-label {
    font-family: var(--font-primary);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-primary);
}

/* MICRO-INTERACTION: Input field blue border glow on focus */
.form-input,
.form-textarea {
    padding: 0.875rem 1rem;
    font-family: var(--font-secondary);
    font-size: 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: border-color 0.1s linear, box-shadow 0.1s linear;
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(46, 83, 159, 0.15);
}

.form-input.error,
.form-textarea.error {
    border-color: #DC2626;
}

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

.form-error {
    font-family: var(--font-primary);
    font-size: 0.8125rem;
    color: #DC2626;
    display: none;
}

.form-group.has-error .form-error {
    display: block;
}

/* MICRO-INTERACTION: Form submit button loader animation */
.form-submit {
    position: relative;
}

.btn-loader {
    display: none;
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-white);
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.form-submit.loading .btn-text {
    visibility: hidden;
}

.form-submit.loading .btn-loader {
    display: block;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.contact-info-wrapper {
    display: flex;
    align-items: flex-start;
}

.contact-info-card {
    background-color: var(--color-black);
    color: var(--color-white);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    width: 100%;
}

.contact-info-title {
    font-size: 1.25rem;
    margin-bottom: var(--space-lg);
    color: var(--color-white);
}

.contact-details {
    font-style: normal;
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    font-family: var(--font-secondary);
    font-size: 0.9375rem;
}

.contact-item svg {
    flex-shrink: 0;
    margin-top: 2px;
    color: var(--color-earthy);
}

.contact-item a {
    color: var(--color-white);
    transition: color var(--transition-fast);
}

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

.contact-license {
    padding-top: var(--space-md);
    border-top: 1px dashed rgba(255, 255, 255, 0.2);
    font-family: var(--font-primary);
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.7);
}

/* =========================================
   Footer
========================================= */
.site-footer {
    background-color: var(--color-black);
    color: var(--color-white);
    padding: var(--space-3xl) 0 var(--space-xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xl);
    padding-bottom: var(--space-xl);
    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: 992px) {
    .footer-grid {
        grid-template-columns: 1.5fr 1fr 1fr 0.8fr;
    }
}

.footer-logo {
    height: 48px;
    width: auto;
    margin-bottom: var(--space-md);
    filter: brightness(0) invert(1);
}

.footer-tagline {
    font-family: var(--font-secondary);
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.7);
}

.footer-nav-title,
.footer-contact-title,
.footer-social-title {
    font-size: 1rem;
    margin-bottom: var(--space-md);
    color: var(--color-white);
}

.footer-nav-links {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

/* MICRO-INTERACTION: Footer link underline slide-in animation */
.footer-link {
    position: relative;
    font-family: var(--font-secondary);
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--transition-fast);
    display: inline-block;
}

.footer-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--color-earthy);
    transition: width var(--transition-base);
}

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

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

.footer-address {
    font-style: normal;
    font-family: var(--font-secondary);
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.7);
}

.footer-address p {
    margin-bottom: var(--space-sm);
}

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

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

/* MICRO-INTERACTION: Social icon color change to brand blue on hover */
.social-link {
    display: inline-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: background-color 0.1s linear, color 0.1s linear;
}

.social-link:hover {
    background-color: var(--color-accent);
    color: var(--color-white);
}

.footer-bottom {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    padding-top: var(--space-xl);
    text-align: center;
}

@media (min-width: 768px) {
    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
    }
}

.footer-copyright,
.footer-license {
    font-family: var(--font-primary);
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.5);
}

/* =========================================
   Separator Line Detail (Earthy accent dashed pattern)
========================================= */
.separator {
    width: 100%;
    height: 1px;
    background-image: linear-gradient(
        to right,
        transparent 0%,
        var(--color-earthy) 10%,
        transparent 10%,
        transparent 20%,
        var(--color-earthy) 20%,
        var(--color-earthy) 30%,
        transparent 30%,
        transparent 40%,
        var(--color-earthy) 40%,
        var(--color-earthy) 50%,
        transparent 50%,
        transparent 60%,
        var(--color-earthy) 60%,
        var(--color-earthy) 70%,
        transparent 70%,
        transparent 80%,
        var(--color-earthy) 80%,
        var(--color-earthy) 90%,
        transparent 90%,
        transparent 100%
    );
    margin: var(--space-2xl) 0;
}

/* =========================================
   Page-Specific Styles (About, Services, Contact pages)
========================================= */
.page-hero {
    padding: calc(var(--header-height) + var(--space-3xl)) var(--space-md) var(--space-2xl);
    background-color: var(--color-background);
    text-align: center;
}

.page-hero h1 {
    font-size: 2.25rem;
    margin-bottom: var(--space-md);
}

@media (min-width: 768px) {
    .page-hero h1 {
        font-size: 3rem;
    }
}

.page-hero-subtitle {
    font-family: var(--font-secondary);
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Services Page Grid */
.services-page-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xl);
    padding: var(--space-3xl) 0;
}

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

.service-page-card {
    padding: var(--space-2xl);
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.service-page-card h2 {
    font-size: 1.5rem;
    margin-bottom: var(--space-md);
}

.service-page-card p {
    font-family: var(--font-secondary);
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* Contact Page Full Form */
.contact-page-form {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--space-3xl) 0;
}

/* =========================================
   Utility Classes
========================================= */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

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

.mb-0 {
    margin-bottom: 0;
}

.mt-lg {
    margin-top: var(--space-lg);
}

.mb-lg {
    margin-bottom: var(--space-lg);
}