/* ========================================
   Plumbing Service Lewisville - Styles
   PRD Brand Colors:
   - Primary Blue: #2672a9
   - Secondary Blue/Accent: #4a90d9
   - Light Grey/Background: #e0e0e0
   - Dark Grey/Text: #333333
   ======================================== */

/* ========================================
   CSS Custom Properties (Variables)
   ======================================== */
:root {
    /* Brand Colors */
    --color-primary: #2672a9;
    --color-primary-dark: #1d5a87;
    --color-secondary: #4a90d9;
    --color-secondary-light: #6ba8e5;
    --color-secondary-dark: #3a7bc4;
    --color-background: #e0e0e0;
    --color-background-light: #f5f7fa;
    --color-text: #333333;
    --color-text-light: #666666;
    --color-white: #ffffff;
    --color-black: #000000;
    
    /* Additional UI Colors */
    --color-success: #28a745;
    --color-error: #dc3545;
    --color-warning: #ffc107;
    
    /* Typography */
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Open Sans', sans-serif;
    
    /* Font Sizes */
    --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;
    --fs-6xl: 3.75rem;
    
    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 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 -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.2s ease;
    --transition-slow: 0.3s ease;
    --transition-slower: 0.5s ease;
    
    /* Container widths */
    --container-max: 1200px;
    --container-padding: 1rem;
}

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

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

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

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

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

a:hover {
    color: var(--color-secondary);
}

ul, ol {
    list-style: none;
}

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

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

address {
    font-style: normal;
}

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

h1 { font-size: var(--fs-4xl); }
h2 { font-size: var(--fs-3xl); }
h3 { font-size: var(--fs-2xl); }
h4 { font-size: var(--fs-xl); }
h5 { font-size: var(--fs-lg); }
h6 { font-size: var(--fs-base); }

@media (min-width: 768px) {
    h1 { font-size: var(--fs-5xl); }
    h2 { font-size: var(--fs-4xl); }
    h3 { font-size: var(--fs-2xl); }
}

@media (min-width: 1024px) {
    h1 { font-size: var(--fs-6xl); }
}

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

@media (min-width: 768px) {
    .container {
        padding: 0 var(--space-6);
    }
}

/* ========================================
   Section Styles
   ======================================== */
.section__header {
    text-align: center;
    margin-bottom: var(--space-12);
}

.section__title {
    margin-bottom: var(--space-4);
    color: var(--color-text);
}

.section__subtitle {
    font-size: var(--fs-lg);
    color: var(--color-text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* ========================================
   Button Styles
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-family: var(--font-heading);
    font-size: var(--fs-sm);
    font-weight: 600;
    text-align: center;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

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

/* Micro-interaction: Button hover scale effect */
.btn--primary:hover {
    background-color: var(--color-secondary-dark);
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
    color: var(--color-white);
}

.btn--lg {
    padding: var(--space-4) var(--space-8);
    font-size: var(--fs-base);
}

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

.btn--white:hover {
    background-color: var(--color-background-light);
    transform: scale(1.05);
    color: var(--color-primary);
}

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

.btn--outline-white:hover {
    background-color: var(--color-white);
    color: var(--color-primary);
    transform: scale(1.05);
}

/* Micro-interaction: Button ripple effect */
.btn--primary::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.4s ease, height 0.4s ease;
}

.btn--primary:active::after {
    width: 200px;
    height: 200px;
}

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

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

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.nav__logo {
    flex-shrink: 0;
}

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

.nav__menu {
    display: none;
}

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

.nav__list {
    display: flex;
    align-items: center;
    gap: var(--space-8);
}

.nav__link {
    font-family: var(--font-heading);
    font-size: var(--fs-sm);
    font-weight: 500;
    color: var(--color-text);
    padding: var(--space-2) 0;
    position: relative;
    transition: color var(--transition-base);
}

/* Micro-interaction: Navigation link gradient hover */
.nav__link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--color-secondary-light));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
}

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

.nav__link:hover::before {
    transform: scaleX(1);
}

/* Dropdown Styles */
.nav__item--dropdown {
    position: relative;
}

.nav__link--dropdown {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.nav__dropdown-icon {
    transition: transform var(--transition-base);
}

.nav__item--dropdown:hover .nav__dropdown-icon {
    transform: rotate(180deg);
}

.nav__dropdown {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    min-width: 200px;
    background-color: var(--color-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: var(--space-2) 0;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-base), visibility var(--transition-base);
}

.nav__item--dropdown:hover .nav__dropdown {
    opacity: 1;
    visibility: visible;
}

.nav__dropdown-link {
    display: block;
    padding: var(--space-2) var(--space-4);
    font-size: var(--fs-sm);
    color: var(--color-text);
    transition: background-color var(--transition-base), color var(--transition-base);
}

.nav__dropdown-link:hover {
    background-color: var(--color-background-light);
    color: var(--color-primary);
}

.nav__actions {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.nav__phone {
    display: none;
    align-items: center;
    gap: var(--space-2);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: var(--fs-sm);
    color: var(--color-primary);
}

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

.nav__cta {
    display: none;
}

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

/* Mobile Menu Toggle */
.nav__toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-2);
    z-index: 1001;
}

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

.nav__toggle-bar {
    width: 24px;
    height: 2px;
    background-color: var(--color-text);
    transition: transform var(--transition-slow), opacity var(--transition-slow);
}

/* Micro-interaction: Hamburger to X animation */
.nav__toggle--active .nav__toggle-bar:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav__toggle--active .nav__toggle-bar:nth-child(2) {
    opacity: 0;
}

.nav__toggle--active .nav__toggle-bar:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Menu Overlay */
@media (max-width: 1023px) {
    .nav__menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background-color: var(--color-white);
        padding: var(--space-20) var(--space-6);
        box-shadow: var(--shadow-xl);
        transition: right var(--transition-slow);
        z-index: 1000;
    }
    
    .nav__menu--open {
        display: block;
        right: 0;
    }
    
    .nav__list {
        flex-direction: column;
        gap: var(--space-6);
        align-items: flex-start;
    }
    
    .nav__link {
        font-size: var(--fs-lg);
    }
    
    .nav__dropdown {
        position: static;
        transform: none;
        box-shadow: none;
        padding-left: var(--space-4);
        opacity: 1;
        visibility: visible;
        display: none;
    }
    
    .nav__item--dropdown.active .nav__dropdown {
        display: block;
    }
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding-top: 70px;
}

.hero__bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.hero__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        135deg,
        rgba(38, 114, 169, 0.85) 0%,
        rgba(74, 144, 217, 0.7) 100%
    );
}

.hero__content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: var(--space-8) var(--space-4);
    max-width: 800px;
}

/* Micro-interaction: Hero fade-in animation */
.hero__title,
.hero__subtitle,
.hero__cta,
.hero__trust {
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
}

.hero__title {
    color: var(--color-white);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    margin-bottom: var(--space-4);
    animation-delay: 0.2s;
}

.hero__subtitle {
    color: var(--color-white);
    font-size: var(--fs-xl);
    margin-bottom: var(--space-8);
    animation-delay: 0.4s;
    opacity: 0.95;
}

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

.hero__cta-group {
    margin-bottom: var(--space-6);
}

.hero__cta {
    animation-delay: 0.6s;
}

.hero__trust {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--color-white);
    animation-delay: 0.8s;
}

.hero__phone {
    color: var(--color-white);
    font-weight: 600;
    font-size: var(--fs-lg);
}

.hero__phone:hover {
    color: var(--color-white);
    text-decoration: underline;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========================================
   Services Section
   ======================================== */
.services {
    padding: var(--space-16) 0;
    background-color: var(--color-background-light);
}

@media (min-width: 768px) {
    .services {
        padding: var(--space-24) 0;
    }
}

.services__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
}

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

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

.service-card {
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

/* Micro-interaction: Service card lift on hover */
.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.service-card__icon-wrapper {
    width: 100px;
    height: 100px;
    margin: 0 auto var(--space-4);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    padding: var(--space-4);
    transition: transform var(--transition-base);
}

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

.service-card__icon {
    width: 60px;
    height: 60px;
    object-fit: contain;
    filter: brightness(0) invert(1);
}

.service-card__title {
    font-size: var(--fs-xl);
    margin-bottom: var(--space-3);
    color: var(--color-text);
}

.service-card__desc {
    font-size: var(--fs-sm);
    color: var(--color-text-light);
    line-height: 1.7;
}

/* ========================================
   About Section
   ======================================== */
.about {
    padding: var(--space-16) 0;
    background-color: var(--color-white);
}

@media (min-width: 768px) {
    .about {
        padding: var(--space-24) 0;
    }
}

.about__content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-10);
    align-items: center;
}

@media (min-width: 1024px) {
    .about__content {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-16);
    }
}

.about__text .section__title {
    text-align: left;
    margin-bottom: var(--space-8);
}

.about__story,
.about__mission,
.about__commitment {
    margin-bottom: var(--space-6);
}

.about__subtitle {
    font-size: var(--fs-lg);
    color: var(--color-primary);
    margin-bottom: var(--space-2);
}

.about__paragraph {
    color: var(--color-text-light);
    line-height: 1.8;
}

.about__image-wrapper {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

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

/* ========================================
   Process Section
   ======================================== */
.process {
    padding: var(--space-16) 0;
    background-color: var(--color-background-light);
}

@media (min-width: 768px) {
    .process {
        padding: var(--space-24) 0;
    }
}

.process__steps {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-8);
}

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

@media (min-width: 1024px) {
    .process__steps {
        grid-template-columns: repeat(4, 1fr);
        gap: var(--space-6);
    }
}

.process__step {
    text-align: center;
    position: relative;
    padding: var(--space-6);
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.process__step-number {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: var(--color-white);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: var(--fs-lg);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
}

.process__step-icon {
    width: 80px;
    height: 80px;
    margin: var(--space-4) auto;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.process__step-title {
    font-size: var(--fs-lg);
    margin-bottom: var(--space-2);
    color: var(--color-text);
}

.process__step-desc {
    font-size: var(--fs-sm);
    color: var(--color-text-light);
    line-height: 1.7;
}

/* ========================================
   Testimonials Section
   ======================================== */
.testimonials {
    padding: var(--space-16) 0;
    background-color: var(--color-white);
}

@media (min-width: 768px) {
    .testimonials {
        padding: var(--space-24) 0;
    }
}

.testimonials__carousel {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
}

.testimonials__track {
    display: flex;
    gap: var(--space-6);
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
    -ms-overflow-style: none;
    padding: var(--space-4);
}

.testimonials__track::-webkit-scrollbar {
    display: none;
}

.testimonial-card {
    flex: 0 0 100%;
    scroll-snap-align: center;
    background-color: var(--color-background-light);
    border-radius: var(--radius-lg);
    padding: var(--space-8);
    text-align: center;
    border: 2px solid transparent;
    transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

/* Micro-interaction: Testimonial card edge glow */
.testimonial-card--active,
.testimonial-card:hover {
    border-color: rgba(74, 144, 217, 0.3);
    box-shadow: 0 0 20px rgba(74, 144, 217, 0.15);
}

@media (min-width: 768px) {
    .testimonial-card {
        flex: 0 0 calc(50% - var(--space-3));
    }
}

.testimonial-card__stars {
    display: flex;
    justify-content: center;
    gap: var(--space-1);
    margin-bottom: var(--space-4);
}

.testimonial-card__stars svg {
    width: 20px;
    height: 20px;
    color: var(--color-warning);
}

.testimonial-card__quote {
    font-size: var(--fs-lg);
    font-style: italic;
    color: var(--color-text);
    line-height: 1.7;
    margin-bottom: var(--space-6);
}

.testimonial-card__author {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

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

.testimonial-card__location {
    font-size: var(--fs-sm);
    color: var(--color-text-light);
}

.testimonials__nav {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-4);
    margin-top: var(--space-6);
}

.testimonials__nav-btn {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    background-color: var(--color-background-light);
    color: var(--color-text);
    transition: background-color var(--transition-base), transform var(--transition-base);
}

/* Micro-interaction: Nav button scale on hover */
.testimonials__nav-btn:hover {
    background-color: var(--color-secondary);
    color: var(--color-white);
    transform: scale(1.1);
}

.testimonials__dots {
    display: flex;
    gap: var(--space-2);
}

.testimonials__dot {
    width: 10px;
    height: 10px;
    border-radius: var(--radius-full);
    background-color: var(--color-background);
    transition: background-color var(--transition-base), transform var(--transition-base);
}

.testimonials__dot--active,
.testimonials__dot:hover {
    background-color: var(--color-secondary);
    transform: scale(1.2);
}

/* ========================================
   Contact Section
   ======================================== */
.contact {
    padding: var(--space-16) 0;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
}

@media (min-width: 768px) {
    .contact {
        padding: var(--space-24) 0;
    }
}

.contact__wrapper {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-10);
    align-items: start;
}

@media (min-width: 1024px) {
    .contact__wrapper {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-16);
    }
}

.contact__info .section__title {
    color: var(--color-white);
    text-align: left;
    margin-bottom: var(--space-4);
}

.contact__desc {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--space-8);
}

.contact__details {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.contact__detail {
    display: flex;
    gap: var(--space-4);
    color: var(--color-white);
}

.contact__detail svg {
    flex-shrink: 0;
    color: rgba(255, 255, 255, 0.8);
}

.contact__detail h4 {
    font-size: var(--fs-sm);
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--space-1);
    font-weight: 500;
}

.contact__detail a,
.contact__detail p,
.contact__detail address {
    color: var(--color-white);
    font-size: var(--fs-base);
}

.contact__detail a:hover {
    color: var(--color-white);
    text-decoration: underline;
}

/* Contact Form */
.contact__form {
    background-color: var(--color-white);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    box-shadow: var(--shadow-xl);
}

.form__row {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-4);
}

@media (min-width: 640px) {
    .form__row {
        grid-template-columns: 1fr 1fr;
    }
}

.form__group {
    margin-bottom: var(--space-4);
}

.form__label {
    display: block;
    font-size: var(--fs-sm);
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: var(--space-2);
}

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

.form__input,
.form__select,
.form__textarea {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-size: var(--fs-base);
    border: 2px solid var(--color-background);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-base), box-shadow var(--transition-base);
    background-color: var(--color-white);
}

/* Micro-interaction: Form field underline animation on focus */
.form__input:focus,
.form__select:focus,
.form__textarea:focus {
    outline: none;
    border-color: var(--color-secondary);
    box-shadow: 0 2px 0 var(--color-secondary);
}

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

.form__submit {
    width: 100%;
    margin-top: var(--space-4);
}

/* ========================================
   Blog Section
   ======================================== */
.blog {
    padding: var(--space-16) 0;
    background-color: var(--color-background-light);
}

@media (min-width: 768px) {
    .blog {
        padding: var(--space-24) 0;
    }
}

.blog__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
}

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

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

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

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

.blog-card__image-wrapper {
    aspect-ratio: 4/3;
    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-6);
}

.blog-card__title {
    font-size: var(--fs-lg);
    margin-bottom: var(--space-3);
    color: var(--color-text);
    line-height: 1.4;
}

.blog-card__excerpt {
    font-size: var(--fs-sm);
    color: var(--color-text-light);
    margin-bottom: var(--space-4);
    line-height: 1.7;
}

.blog-card__link {
    font-family: var(--font-heading);
    font-size: var(--fs-sm);
    font-weight: 600;
    color: var(--color-secondary);
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
}

.blog-card__link::after {
    content: '→';
    transition: transform var(--transition-base);
}

.blog-card__link:hover::after {
    transform: translateX(4px);
}

/* ========================================
   CTA Banner Section
   ======================================== */
.cta-banner {
    padding: var(--space-16) 0;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
}

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

.cta-banner__title {
    color: var(--color-white);
    margin-bottom: var(--space-4);
}

.cta-banner__text {
    color: rgba(255, 255, 255, 0.9);
    font-size: var(--fs-lg);
    margin-bottom: var(--space-8);
}

.cta-banner__actions {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    justify-content: center;
    align-items: center;
}

@media (min-width: 640px) {
    .cta-banner__actions {
        flex-direction: row;
    }
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background-color: var(--color-text);
    color: var(--color-white);
    padding: var(--space-16) 0 var(--space-8);
}

.footer__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-8);
    margin-bottom: var(--space-12);
}

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

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

.footer__logo {
    display: inline-block;
    margin-bottom: var(--space-4);
}

.footer__logo-img {
    height: 50px;
    width: auto;
    /* Micro-interaction: Footer logo fade on scroll */
    opacity: 0.8;
    transition: opacity var(--transition-slower);
}

.footer__logo-img.footer__logo-img--visible {
    opacity: 1;
}

.footer__tagline {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--space-4);
    font-size: var(--fs-sm);
}

.footer__social {
    display: flex;
    gap: var(--space-3);
}

.footer__social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--color-white);
    transition: background-color var(--transition-base), transform var(--transition-base);
}

.footer__social-link:hover {
    background-color: var(--color-secondary);
    color: var(--color-white);
    transform: scale(1.1);
}

.footer__heading {
    font-size: var(--fs-base);
    color: var(--color-white);
    margin-bottom: var(--space-4);
}

.footer__list {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.footer__link {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--fs-sm);
    transition: color var(--transition-base);
}

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

.footer__address {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--fs-sm);
    line-height: 1.8;
}

.footer__address a {
    color: rgba(255, 255, 255, 0.7);
}

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

.footer__bottom {
    padding-top: var(--space-8);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer__copyright {
    font-size: var(--fs-sm);
    color: rgba(255, 255, 255, 0.5);
}

/* ========================================
   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;
        scroll-behavior: auto !important;
    }
    
    .hero__title,
    .hero__subtitle,
    .hero__cta,
    .hero__trust {
        opacity: 1;
        animation: none;
    }
    
    .btn--primary:hover,
    .btn--white:hover,
    .btn--outline-white:hover,
    .service-card:hover,
    .service-card:hover .service-card__icon-wrapper,
    .blog-card:hover,
    .testimonials__nav-btn:hover,
    .testimonials__dot:hover,
    .footer__social-link:hover {
        transform: none;
    }
}

/* ========================================
   Focus States for Accessibility
   ======================================== */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--color-secondary);
    outline-offset: 2px;
}

/* Skip Link for Accessibility */
.skip-link {
    position: absolute;
    top: -100%;
    left: 0;
    background: var(--color-primary);
    color: var(--color-white);
    padding: var(--space-3) var(--space-4);
    z-index: 9999;
    transition: top var(--transition-base);
}

.skip-link:focus {
    top: 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;
}