/* ==========================================================================
   Clockwise Plumbing LLC - Main Stylesheet
   Brand Colors:
   - Primary (Red): #C0392B
   - Secondary (Dark Blue): #2C3E50
   - Accent (Light Gray): #ECF0F1
   - Neutral (White): #FFFFFF
   Fonts: Roboto, Open Sans
   ========================================================================== */

/* ==========================================================================
   CSS Custom Properties (Variables)
   ========================================================================== */
:root {
    /* Brand Colors */
    --color-primary: #C0392B;
    --color-primary-dark: #A93226;
    --color-primary-light: #E74C3C;
    --color-secondary: #2C3E50;
    --color-secondary-dark: #1A252F;
    --color-secondary-light: #34495E;
    --color-accent: #ECF0F1;
    --color-neutral: #FFFFFF;
    
    /* Semantic Colors */
    --color-text: #2C3E50;
    --color-text-light: #7F8C8D;
    --color-text-inverse: #FFFFFF;
    --color-success: #27AE60;
    --color-error: #E74C3C;
    --color-warning: #F39C12;
    
    /* Typography */
    --font-primary: 'Roboto', sans-serif;
    --font-secondary: 'Open Sans', sans-serif;
    
    /* Font Sizes - Mobile First */
    --fs-xs: 0.75rem;
    --fs-sm: 0.875rem;
    --fs-base: 1rem;
    --fs-lg: 1.125rem;
    --fs-xl: 1.25rem;
    --fs-2xl: 1.5rem;
    --fs-3xl: 1.875rem;
    --fs-4xl: 2.25rem;
    --fs-5xl: 3rem;
    
    /* 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;
    --space-4xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
    
    /* Z-Index */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal: 400;
    --z-tooltip: 500;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

/* Reduced motion preference */
@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: var(--fs-base);
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-neutral);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

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

ul, ol {
    list-style: none;
}

address {
    font-style: normal;
}

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

/* Skip link for accessibility */
.skip-link {
    position: absolute;
    top: -100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-primary);
    color: var(--color-neutral);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    z-index: var(--z-tooltip);
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: var(--space-md);
}

/* ==========================================================================
   Utility Classes
   ========================================================================== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

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

.section__title {
    font-family: var(--font-primary);
    font-size: var(--fs-2xl);
    font-weight: 700;
    color: var(--color-secondary);
    text-align: center;
    margin-bottom: var(--space-sm);
}

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

.section__subtitle {
    font-size: var(--fs-base);
    color: var(--color-text-light);
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--space-2xl);
}

@media (min-width: 768px) {
    .section__subtitle {
        font-size: var(--fs-lg);
    }
}

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

/* ==========================================================================
   Buttons - with micro-interactions
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    font-family: var(--font-primary);
    font-size: var(--fs-base);
    font-weight: 600;
    padding: var(--space-md) var(--space-xl);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: relative;
    overflow: hidden;
}

.btn--primary {
    background-color: var(--color-primary);
    color: var(--color-neutral);
    box-shadow: var(--shadow-md);
}

/* Micro-interaction: Primary CTA hover lift effect */
.btn--primary:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn--primary:active {
    transform: translateY(0);
    box-shadow: var(--shadow-md);
}

/* Micro-interaction: CTA pulse animation */
.btn--pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(192, 57, 43, 0.4);
    }
    50% {
        box-shadow: 0 0 0 10px rgba(192, 57, 43, 0);
    }
}

/* Reduced motion: disable pulse */
@media (prefers-reduced-motion: reduce) {
    .btn--pulse {
        animation: none;
    }
}

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

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

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

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

.btn--full {
    width: 100%;
}

.btn__icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

/* Loading state */
.btn--loading .btn__text {
    visibility: hidden;
}

.btn__loader {
    position: absolute;
    display: none;
}

.btn--loading .btn__loader {
    display: block;
}

/* Micro-interaction: Branded loading spinner (rotating wrench concept) */
.spinner {
    animation: spin 1s linear infinite;
}

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

@media (prefers-reduced-motion: reduce) {
    .spinner {
        animation: none;
    }
}

/* ==========================================================================
   Navigation
   ========================================================================== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: var(--color-secondary);
    z-index: var(--z-fixed);
    transition: box-shadow var(--transition-base);
}

.nav--scrolled {
    box-shadow: var(--shadow-lg);
}

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

.nav__logo {
    display: flex;
    align-items: center;
    z-index: 10;
}

.nav__logo-img {
    height: 50px;
    width: auto;
}

.nav__logo-img--mobile {
    display: block;
}

.nav__logo-img--desktop {
    display: none;
}

@media (min-width: 768px) {
    .nav__logo-img--mobile {
        display: none;
    }
    
    .nav__logo-img--desktop {
        display: block;
        height: 60px;
    }
}

/* Mobile menu toggle - Hamburger animation */
.nav__toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 30px;
    height: 30px;
    z-index: 10;
}

.nav__toggle-bar {
    width: 100%;
    height: 3px;
    background-color: var(--color-neutral);
    border-radius: 2px;
    transition: all var(--transition-base);
    transform-origin: center;
}

/* Micro-interaction: Hamburger to X transition */
.nav__toggle[aria-expanded="true"] .nav__toggle-bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.nav__toggle[aria-expanded="true"] .nav__toggle-bar:nth-child(2) {
    opacity: 0;
}

.nav__toggle[aria-expanded="true"] .nav__toggle-bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

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

/* Navigation Menu */
.nav__menu {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--color-secondary);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-xl);
    transform: translateX(100%);
    transition: transform var(--transition-slow);
}

/* Micro-interaction: Mobile menu slide-in */
.nav__menu--open {
    transform: translateX(0);
}

@media (min-width: 768px) {
    .nav__menu {
        position: static;
        flex-direction: row;
        transform: none;
        background: none;
        gap: var(--space-lg);
    }
}

.nav__item {
    opacity: 0;
    transform: translateX(20px);
    transition: opacity var(--transition-base), transform var(--transition-base);
}

.nav__menu--open .nav__item {
    opacity: 1;
    transform: translateX(0);
}

@media (min-width: 768px) {
    .nav__item {
        opacity: 1;
        transform: none;
    }
}

/* Staggered animation for menu items */
.nav__menu--open .nav__item:nth-child(1) { transition-delay: 100ms; }
.nav__menu--open .nav__item:nth-child(2) { transition-delay: 150ms; }
.nav__menu--open .nav__item:nth-child(3) { transition-delay: 200ms; }
.nav__menu--open .nav__item:nth-child(4) { transition-delay: 250ms; }
.nav__menu--open .nav__item:nth-child(5) { transition-delay: 300ms; }

.nav__link {
    font-family: var(--font-primary);
    font-size: var(--fs-xl);
    font-weight: 500;
    color: var(--color-neutral);
    padding: var(--space-sm) var(--space-md);
    position: relative;
}

@media (min-width: 768px) {
    .nav__link {
        font-size: var(--fs-base);
    }
}

/* Micro-interaction: Smooth underline animation on hover */
.nav__link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: var(--space-md);
    right: var(--space-md);
    height: 2px;
    background-color: var(--color-primary);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform var(--transition-base);
}

.nav__link:hover::after,
.nav__link--active::after {
    transform: scaleX(1);
    transform-origin: left;
}

.nav__link--active {
    color: var(--color-primary-light);
}

/* Phone link in nav */
.nav__phone {
    display: none;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-primary);
    font-weight: 600;
    color: var(--color-neutral);
    background-color: var(--color-primary);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    transition: background-color var(--transition-fast);
}

.nav__phone:hover {
    background-color: var(--color-primary-dark);
}

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

.nav__phone-icon {
    width: 18px;
    height: 18px;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: calc(80px + var(--space-2xl)) var(--space-md) var(--space-2xl);
    overflow: hidden;
}

.hero__background {
    position: absolute;
    inset: 0;
    /* Using a gradient as hero background since no hero image was provided in images folder */
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-dark) 50%, #1A252F 100%);
    z-index: -2;
}

/* Subtle water ripple texture effect */
.hero__background::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(ellipse at 20% 80%, rgba(192, 57, 43, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(192, 57, 43, 0.15) 0%, transparent 50%);
    z-index: 1;
}

/* Micro-interaction: Subtle parallax effect - handled in JS, this is the container */
.hero__overlay {
    position: absolute;
    inset: 0;
    background: rgba(44, 62, 80, 0.7);
    z-index: 0;
}

.hero__content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    color: var(--color-neutral);
}

.hero__title {
    font-family: var(--font-primary);
    font-size: var(--fs-3xl);
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: var(--space-md);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

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

.hero__tagline {
    font-family: var(--font-primary);
    font-size: var(--fs-xl);
    font-weight: 500;
    color: var(--color-primary-light);
    margin-bottom: var(--space-sm);
}

@media (min-width: 768px) {
    .hero__tagline {
        font-size: var(--fs-2xl);
    }
}

.hero__subtitle {
    font-size: var(--fs-lg);
    opacity: 0.9;
    margin-bottom: var(--space-xl);
}

.hero__cta-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-bottom: var(--space-2xl);
}

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

.hero__trust {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-lg);
}

.hero__trust-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--fs-sm);
    opacity: 0.9;
}

.hero__trust-icon {
    width: 24px;
    height: 24px;
    fill: var(--color-primary-light);
}

/* ==========================================================================
   Services Section
   ========================================================================== */
.services {
    padding: var(--space-4xl) 0;
    background-color: var(--color-neutral);
}

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

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

/* Service Card with micro-interactions */
.service-card {
    background-color: var(--color-accent);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    text-align: center;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

/* Micro-interaction: Card lift and shadow on hover */
.service-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-xl);
}

.service-card__icon-wrapper {
    width: 100px;
    height: 100px;
    margin: 0 auto var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.service-card__icon {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    transition: transform var(--transition-base);
}

/* Micro-interaction: Icon bounce on card hover */
.service-card:hover .service-card__icon {
    transform: scale(1.1);
}

@media (prefers-reduced-motion: reduce) {
    .service-card:hover .service-card__icon {
        transform: none;
    }
}

.service-card__title {
    font-family: var(--font-primary);
    font-size: var(--fs-xl);
    font-weight: 700;
    color: var(--color-secondary);
    margin-bottom: var(--space-md);
}

.service-card__description {
    font-size: var(--fs-base);
    color: var(--color-text-light);
    margin-bottom: var(--space-lg);
    line-height: 1.7;
}

/* Micro-interaction: Link underline animation */
.service-card__link {
    font-family: var(--font-primary);
    font-weight: 600;
    color: var(--color-primary);
    position: relative;
    display: inline-block;
}

.service-card__link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--color-primary);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform var(--transition-base);
}

.service-card__link:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

.services__cta {
    text-align: center;
}

/* ==========================================================================
   About Section
   ========================================================================== */
.about {
    padding: var(--space-4xl) 0;
    background: linear-gradient(to right, var(--color-accent), rgba(236, 240, 241, 0.5));
    position: relative;
}

/* Subtle background pattern */
.about::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%232C3E50' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
    pointer-events: none;
}

.about__content {
    position: relative;
    z-index: 1;
}

.about__text {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about__paragraph {
    font-size: var(--fs-lg);
    color: var(--color-text);
    margin-bottom: var(--space-lg);
    line-height: 1.8;
}

.about__highlights {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
    margin: var(--space-2xl) 0;
}

.about__highlight {
    text-align: center;
}

.about__highlight-number {
    display: block;
    font-family: var(--font-primary);
    font-size: var(--fs-4xl);
    font-weight: 900;
    color: var(--color-primary);
    line-height: 1;
}

.about__highlight-label {
    display: block;
    font-size: var(--fs-sm);
    color: var(--color-text-light);
    margin-top: var(--space-sm);
}

/* ==========================================================================
   Process Section
   ========================================================================== */
.process {
    padding: var(--space-4xl) 0;
    background-color: var(--color-secondary);
    color: var(--color-neutral);
}

.process .section__title {
    color: var(--color-neutral);
}

.process .section__subtitle {
    color: rgba(255, 255, 255, 0.8);
}

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

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

@media (min-width: 1024px) {
    .process__steps {
        grid-template-columns: repeat(4, 1fr);
    }
}

.process-step {
    text-align: center;
    padding: var(--space-lg);
    position: relative;
}

.process-step__number {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 32px;
    height: 32px;
    background-color: var(--color-primary);
    color: var(--color-neutral);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-primary);
    font-weight: 700;
    font-size: var(--fs-sm);
}

.process-step__icon-wrapper {
    width: 120px;
    height: 120px;
    margin: var(--space-xl) auto var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    transition: transform var(--transition-base), background-color var(--transition-base);
}

/* Micro-interaction: Icon wobble/bounce on hover */
.process-step:hover .process-step__icon-wrapper {
    background-color: rgba(255, 255, 255, 0.2);
    transform: scale(1.05);
}

.process-step__icon {
    max-width: 80%;
    max-height: 80%;
    object-fit: contain;
    transition: transform var(--transition-base);
}

/* Micro-interaction: Icon bounce animation */
.process-step:hover .process-step__icon {
    animation: wobble 0.5s ease;
}

@keyframes wobble {
    0%, 100% { transform: rotate(0deg); }
    25% { transform: rotate(-5deg); }
    75% { transform: rotate(5deg); }
}

@media (prefers-reduced-motion: reduce) {
    .process-step:hover .process-step__icon {
        animation: none;
    }
}

.process-step__title {
    font-family: var(--font-primary);
    font-size: var(--fs-lg);
    font-weight: 700;
    margin-bottom: var(--space-md);
}

.process-step__description {
    font-size: var(--fs-sm);
    opacity: 0.9;
    line-height: 1.7;
}

/* ==========================================================================
   Testimonials Section
   ========================================================================== */
.testimonials {
    padding: var(--space-4xl) 0;
    background-color: var(--color-neutral);
}

.testimonials__carousel {
    position: relative;
    overflow: hidden;
    margin: 0 auto;
    max-width: 1000px;
}

.testimonials__track {
    display: flex;
    transition: transform var(--transition-slow);
}

.testimonial-card {
    flex: 0 0 100%;
    padding: var(--space-xl);
    text-align: center;
    background-color: var(--color-accent);
    border-radius: var(--radius-lg);
    margin: 0 var(--space-md);
    transition: background-color var(--transition-base), box-shadow var(--transition-base);
}

@media (min-width: 768px) {
    .testimonial-card {
        flex: 0 0 calc(50% - var(--space-xl));
    }
}

@media (min-width: 1024px) {
    .testimonial-card {
        flex: 0 0 calc(33.333% - var(--space-xl));
    }
}

/* Micro-interaction: Testimonial card hover darkening */
.testimonial-card:hover {
    background-color: #DEE4E6;
    box-shadow: var(--shadow-lg);
}

.testimonial-card__rating {
    margin-bottom: var(--space-md);
}

.star {
    color: #F39C12;
    font-size: var(--fs-xl);
}

.testimonial-card__quote {
    font-size: var(--fs-base);
    font-style: italic;
    color: var(--color-text);
    margin-bottom: var(--space-lg);
    line-height: 1.8;
}

.testimonial-card__author {
    font-style: normal;
}

.testimonial-card__name {
    font-family: var(--font-primary);
    font-weight: 600;
    color: var(--color-secondary);
}

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

.testimonials__btn {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-secondary);
    color: var(--color-neutral);
    border-radius: var(--radius-full);
    transition: background-color var(--transition-fast);
}

.testimonials__btn:hover {
    background-color: var(--color-primary);
}

.testimonials__btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

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

.testimonials__dot {
    width: 12px;
    height: 12px;
    border-radius: var(--radius-full);
    background-color: var(--color-accent);
    border: 2px solid var(--color-secondary);
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.testimonials__dot--active,
.testimonials__dot:hover {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

/* ==========================================================================
   Blog Preview Section
   ========================================================================== */
.blog-preview {
    padding: var(--space-4xl) 0;
    background-color: var(--color-accent);
}

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

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

.blog-card {
    background-color: var(--color-neutral);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

/* Micro-interaction: Blog card lift on hover */
.blog-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

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

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

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

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

.blog-card__title {
    font-family: var(--font-primary);
    font-size: var(--fs-lg);
    font-weight: 700;
    color: var(--color-secondary);
    margin-bottom: var(--space-md);
    line-height: 1.4;
}

.blog-card__excerpt {
    font-size: var(--fs-sm);
    color: var(--color-text-light);
    margin-bottom: var(--space-lg);
    line-height: 1.7;
}

/* Micro-interaction: Smooth underline on link hover */
.blog-card__link {
    font-family: var(--font-primary);
    font-weight: 600;
    color: var(--color-primary);
    position: relative;
}

.blog-card__link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--color-primary);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform var(--transition-base);
}

.blog-card__link:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

/* ==========================================================================
   Contact Section
   ========================================================================== */
.contact {
    padding: var(--space-4xl) 0;
    background-color: var(--color-neutral);
}

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

@media (min-width: 768px) {
    .contact__wrapper {
        grid-template-columns: 1fr 1fr;
        align-items: start;
    }
}

.contact__info .section__title {
    text-align: left;
}

.contact__intro {
    font-size: var(--fs-lg);
    color: var(--color-text);
    margin-bottom: var(--space-xl);
}

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

.contact__detail {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
}

.contact__icon {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
    color: var(--color-primary);
}

.contact__detail strong {
    display: block;
    font-family: var(--font-primary);
    font-weight: 600;
    color: var(--color-secondary);
    margin-bottom: var(--space-xs);
}

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

.contact__detail a:hover {
    text-decoration: underline;
}

/* Contact Form */
.contact__form {
    background-color: var(--color-accent);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
}

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

.form-label {
    display: block;
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: var(--fs-sm);
    color: var(--color-secondary);
    margin-bottom: var(--space-sm);
}

.form-input {
    width: 100%;
    padding: var(--space-md);
    font-size: var(--fs-base);
    font-family: var(--font-secondary);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    background-color: var(--color-neutral);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input::placeholder {
    color: var(--color-text-light);
}

/* Micro-interaction: Input focus glow with brand primary color */
.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(192, 57, 43, 0.2);
}

.form-input:invalid:not(:placeholder-shown) {
    border-color: var(--color-error);
}

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

.form-error {
    display: block;
    font-size: var(--fs-xs);
    color: var(--color-error);
    margin-top: var(--space-xs);
    min-height: 1.25em;
}

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

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

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

@media (min-width: 1024px) {
    .footer__grid {
        grid-template-columns: 2fr repeat(4, 1fr);
    }
}

.footer__brand {
    max-width: 300px;
}

.footer__logo {
    height: 60px;
    width: auto;
    margin-bottom: var(--space-md);
}

.footer__tagline {
    font-family: var(--font-primary);
    font-weight: 600;
    color: var(--color-primary-light);
    margin-bottom: var(--space-sm);
}

.footer__description {
    font-size: var(--fs-sm);
    opacity: 0.8;
    line-height: 1.7;
}

.footer__column {
    min-width: 0;
}

.footer__heading {
    font-family: var(--font-primary);
    font-size: var(--fs-base);
    font-weight: 700;
    margin-bottom: var(--space-lg);
    position: relative;
}

.footer__heading::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 30px;
    height: 2px;
    background-color: var(--color-primary);
}

.footer__address p {
    font-size: var(--fs-sm);
    margin-bottom: var(--space-xs);
    opacity: 0.9;
}

.footer__address a {
    color: var(--color-primary-light);
    font-weight: 500;
}

.footer__address a:hover {
    text-decoration: underline;
}

.footer__list {
    font-size: var(--fs-sm);
}

.footer__list li {
    margin-bottom: var(--space-sm);
    opacity: 0.9;
}

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

/* Micro-interaction: Footer link smooth underline transition */
.footer__link {
    font-size: var(--fs-sm);
    opacity: 0.9;
    position: relative;
    display: inline-block;
    transition: opacity var(--transition-fast);
}

.footer__link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 1px;
    background-color: var(--color-primary-light);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform var(--transition-base);
}

.footer__link:hover {
    opacity: 1;
}

.footer__link:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

.footer__bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--space-xl);
    text-align: center;
}

.footer__copyright {
    font-size: var(--fs-sm);
    opacity: 0.7;
    margin-bottom: var(--space-xs);
}

.footer__service-area {
    font-size: var(--fs-xs);
    opacity: 0.5;
}

/* ==========================================================================
   Scroll to Top Button
   ========================================================================== */
.scroll-top {
    position: fixed;
    bottom: var(--space-xl);
    right: var(--space-xl);
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-primary);
    color: var(--color-neutral);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-base);
    z-index: var(--z-sticky);
}

/* Micro-interaction: Scroll to top button appear animation */
.scroll-top--visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-top:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-4px);
}

/* ==========================================================================
   Animation Classes for scroll-triggered animations
   ========================================================================== */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.fade-in--visible {
    opacity: 1;
    transform: translateY(0);
}

/* Staggered delays for grid items */
.fade-in:nth-child(1) { transition-delay: 0ms; }
.fade-in:nth-child(2) { transition-delay: 100ms; }
.fade-in:nth-child(3) { transition-delay: 200ms; }
.fade-in:nth-child(4) { transition-delay: 300ms; }

@media (prefers-reduced-motion: reduce) {
    .fade-in {
        opacity: 1;
        transform: none;
        transition: none;
    }
}

/* ==========================================================================
   Responsive Utilities
   ========================================================================== */
@media (max-width: 767px) {
    .hide-mobile {
        display: none !important;
    }
}

@media (min-width: 768px) {
    .hide-desktop {
        display: none !important;
    }
}

/* ==========================================================================
   Print Styles
   ========================================================================== */
@media print {
    .nav,
    .scroll-top,
    .testimonials__controls {
        display: none !important;
    }
    
    .hero {
        min-height: auto;
        padding: var(--space-xl);
    }
    
    body {
        font-size: 12pt;
        color: #000;
    }
    
    a {
        text-decoration: underline;
    }
}