/* ============================================
   NicksHomeReno - Main Stylesheet
   BEM Methodology | Mobile-First | WCAG AA
   ============================================ */

/* ============================================
   CSS Custom Properties
   ============================================ */
:root {
    --color-primary: #1E4D6B;
    --color-accent: #0F2F40;
    --color-ink: #111;
    --color-muted: #6B7280;
    --color-bg: #F7F8FA;
    --color-white: #FFFFFF;
    --color-error: #DC2626;
    --color-success: #059669;
    
    --font-system: Inter, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    
    --shadow-sm: 0 1px 2px 0 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);
    
    --transition-base: 0.2s ease-in-out;
    --transition-slow: 0.3s ease-in-out;
    
    --max-width: 1200px;
    --max-width-narrow: 800px;
}

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

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

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

body {
    font-family: var(--font-system);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-ink);
    background-color: var(--color-bg);
    -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;
}

ul, ol {
    list-style: none;
}

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

.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-sm);
    z-index: 100;
}

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

/* ============================================
   Typography
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--color-accent);
}

h1 {
    font-size: 2rem;
}

h2 {
    font-size: 1.75rem;
}

h3 {
    font-size: 1.375rem;
}

h4 {
    font-size: 1.125rem;
}

p {
    margin-bottom: var(--spacing-md);
}

@media (min-width: 768px) {
    h1 {
        font-size: 3rem;
    }
    
    h2 {
        font-size: 2.25rem;
    }
    
    h3 {
        font-size: 1.5rem;
    }
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    white-space: nowrap;
}

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

.btn--primary:hover,
.btn--primary:focus {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn--secondary {
    background-color: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn--secondary:hover,
.btn--secondary:focus {
    background-color: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn--large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

/* ============================================
   Header
   ============================================ */
.header {
    position: sticky;
    top: 0;
    z-index: 50;
    background-color: var(--color-white);
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition-base);
}

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

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

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

.header__cta {
    display: none;
    gap: var(--spacing-sm);
}

@media (min-width: 768px) {
    .header__container {
        padding: var(--spacing-md) var(--spacing-lg);
    }
    
    .header__logo img {
        height: 60px;
    }
    
    .header__cta {
        display: flex;
    }
}

/* ============================================
   Navigation
   ============================================ */
.nav {
    position: relative;
}

.nav__toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 60;
}

.nav__toggle-icon,
.nav__toggle-icon::before,
.nav__toggle-icon::after {
    width: 28px;
    height: 3px;
    background-color: var(--color-primary);
    border-radius: 2px;
    transition: all var(--transition-base);
}

.nav__toggle-icon {
    position: relative;
}

.nav__toggle-icon::before,
.nav__toggle-icon::after {
    content: '';
    position: absolute;
    left: 0;
}

.nav__toggle-icon::before {
    top: -8px;
}

.nav__toggle-icon::after {
    bottom: -8px;
}

.nav__toggle[aria-expanded="true"] .nav__toggle-icon {
    background-color: transparent;
}

.nav__toggle[aria-expanded="true"] .nav__toggle-icon::before {
    transform: rotate(45deg);
    top: 0;
}

.nav__toggle[aria-expanded="true"] .nav__toggle-icon::after {
    transform: rotate(-45deg);
    bottom: 0;
}

.nav__menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background-color: var(--color-white);
    box-shadow: var(--shadow-xl);
    padding: var(--spacing-3xl) var(--spacing-lg) var(--spacing-lg);
    transition: right var(--transition-slow);
    overflow-y: auto;
}

.nav__menu.is-open {
    right: 0;
}

.nav__item {
    margin-bottom: var(--spacing-sm);
}

.nav__link {
    display: block;
    padding: var(--spacing-sm);
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--color-accent);
    transition: color var(--transition-base);
}

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

@media (min-width: 768px) {
    .nav__toggle {
        display: none;
    }
    
    .nav__menu {
        position: static;
        width: auto;
        height: auto;
        background: transparent;
        box-shadow: none;
        padding: 0;
        display: flex;
        gap: var(--spacing-md);
    }
    
    .nav__item {
        margin-bottom: 0;
    }
    
    .nav__link {
        font-size: 1rem;
        padding: var(--spacing-xs) var(--spacing-sm);
    }
}

/* ============================================
   Hero
   ============================================ */
.hero {
    position: relative;
    min-height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-image: url('/assets/img/placeholder-hero.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    color: var(--color-white);
    text-align: center;
    padding: var(--spacing-3xl) var(--spacing-md);
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(15, 47, 64, 0.85) 0%, rgba(30, 77, 107, 0.75) 100%);
}

.hero__content {
    position: relative;
    z-index: 1;
    max-width: var(--max-width-narrow);
}

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

.hero__subtitle {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xl);
    color: rgba(255, 255, 255, 0.95);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.hero__cta {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    align-items: center;
}

@media (min-width: 768px) {
    .hero {
        min-height: 600px;
    }
    
    .hero__subtitle {
        font-size: 1.25rem;
    }
    
    .hero__cta {
        flex-direction: row;
        justify-content: center;
    }
}

/* ============================================
   Trust Strip
   ============================================ */
.trust-strip {
    background-color: var(--color-white);
    padding: var(--spacing-lg) var(--spacing-md);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.trust-strip__container {
    max-width: var(--max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

.trust-strip__item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--spacing-xs);
}

.trust-strip__icon {
    color: var(--color-primary);
}

.trust-strip__text {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-accent);
}

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

@media (min-width: 768px) {
    .trust-strip__container {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .trust-strip__text {
        font-size: 1rem;
    }
}

/* ============================================
   Services
   ============================================ */
.services {
    padding: var(--spacing-3xl) var(--spacing-md);
    background-color: var(--color-white);
}

.services__container {
    max-width: var(--max-width);
    margin: 0 auto;
}

.services__header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.services__intro {
    font-size: 1.125rem;
    color: var(--color-muted);
    max-width: 700px;
    margin: 0 auto;
}

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

.services__card {
    background-color: var(--color-bg);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(0, 0, 0, 0.1);
    transition: all var(--transition-base);
}

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

.services__card-icon {
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.services__card-title {
    margin-bottom: var(--spacing-sm);
}

.services__card-text {
    color: var(--color-muted);
    margin-bottom: var(--spacing-md);
}

.services__card-toggle {
    background: transparent;
    border: none;
    color: var(--color-primary);
    font-weight: 600;
    padding: 0;
    font-size: 0.875rem;
    cursor: pointer;
    transition: color var(--transition-base);
}

.services__card-toggle:hover,
.services__card-toggle:focus {
    color: var(--color-accent);
    text-decoration: underline;
}

.services__card-detail {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(0, 0, 0, 0.1);
    color: var(--color-muted);
}

.services__card-detail p {
    margin-bottom: 0;
}

.services__note {
    text-align: center;
    color: var(--color-muted);
    font-size: 0.875rem;
    font-style: italic;
}

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

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

/* ============================================
   Achievements
   ============================================ */
.achievements {
    padding: var(--spacing-3xl) var(--spacing-md);
    background-color: var(--color-bg);
}

.achievements__container {
    max-width: var(--max-width-narrow);
    margin: 0 auto;
}

.achievements__title {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

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

.achievements__item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    background-color: var(--color-white);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.achievements__icon {
    flex-shrink: 0;
    color: var(--color-primary);
}

.achievements__item span {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-ink);
}

/* ============================================
   Process
   ============================================ */
.process {
    padding: var(--spacing-3xl) var(--spacing-md);
    background-color: var(--color-white);
}

.process__container {
    max-width: var(--max-width);
    margin: 0 auto;
}

.process__title {
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.process__intro {
    text-align: center;
    font-size: 1.125rem;
    color: var(--color-muted);
    margin-bottom: var(--spacing-2xl);
}

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

.process__step {
    background-color: var(--color-bg);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(0, 0, 0, 0.1);
    position: relative;
}

.process__step-number {
    position: absolute;
    top: -16px;
    left: var(--spacing-lg);
    width: 48px;
    height: 48px;
    background-color: var(--color-primary);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 700;
    box-shadow: var(--shadow-md);
}

.process__step-title {
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.process__step-text {
    color: var(--color-muted);
    margin-bottom: 0;
}

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

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

/* ============================================
   Gallery
   ============================================ */
.gallery {
    padding: var(--spacing-3xl) var(--spacing-md);
    background-color: var(--color-bg);
}

.gallery__container {
    max-width: var(--max-width);
    margin: 0 auto;
}

.gallery__title {
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.gallery__intro {
    text-align: center;
    color: var(--color-muted);
    margin-bottom: var(--spacing-xl);
}

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

.gallery__item {
    overflow: hidden;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: transform var(--transition-base);
    box-shadow: var(--shadow-md);
}

.gallery__item:hover {
    transform: scale(1.02);
}

.gallery__item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

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

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

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

/* Lightbox */
.lightbox {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.95);
    z-index: 100;
    display: none;
    align-items: center;
    justify-content: center;
}

.lightbox.is-open {
    display: flex;
}

.lightbox__image {
    max-width: 90%;
    max-height: 90vh;
    object-fit: contain;
}

.lightbox__close,
.lightbox__prev,
.lightbox__next {
    position: absolute;
    background-color: rgba(255, 255, 255, 0.2);
    color: var(--color-white);
    border: none;
    font-size: 2rem;
    padding: var(--spacing-sm) var(--spacing-md);
    cursor: pointer;
    transition: background-color var(--transition-base);
}

.lightbox__close:hover,
.lightbox__prev:hover,
.lightbox__next:hover {
    background-color: rgba(255, 255, 255, 0.3);
}

.lightbox__close {
    top: var(--spacing-md);
    right: var(--spacing-md);
}

.lightbox__prev {
    left: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
}

.lightbox__next {
    right: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
}

/* ============================================
   Service Areas
   ============================================ */
.service-areas {
    padding: var(--spacing-3xl) var(--spacing-md);
    background-color: var(--color-white);
}

.service-areas__container {
    max-width: var(--max-width-narrow);
    margin: 0 auto;
    text-align: center;
}

.service-areas__title {
    margin-bottom: var(--spacing-md);
}

.service-areas__intro {
    color: var(--color-muted);
    margin-bottom: var(--spacing-xl);
}

.service-areas__list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    justify-content: center;
}

.service-areas__location {
    background-color: var(--color-bg);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-md);
    font-weight: 500;
    color: var(--color-accent);
    border: 1px solid rgba(0, 0, 0, 0.1);
}

/* ============================================
   About
   ============================================ */
.about {
    padding: var(--spacing-3xl) var(--spacing-md);
    background-color: var(--color-bg);
}

.about__container {
    max-width: var(--max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

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

.about__text {
    color: var(--color-muted);
}

.about__warranty {
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 0;
}

.about__image img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

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

/* ============================================
   CTA Band
   ============================================ */
.cta-band {
    padding: var(--spacing-3xl) var(--spacing-md);
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-primary) 100%);
    color: var(--color-white);
    text-align: center;
}

.cta-band__container {
    max-width: var(--max-width-narrow);
    margin: 0 auto;
}

.cta-band__title {
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.cta-band__text {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xl);
    color: rgba(255, 255, 255, 0.95);
}

.cta-band__actions {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    align-items: center;
}

@media (min-width: 640px) {
    .cta-band__actions {
        flex-direction: row;
        justify-content: center;
    }
}

/* ============================================
   FAQ
   ============================================ */
.faq {
    padding: var(--spacing-3xl) var(--spacing-md);
    background-color: var(--color-white);
}

.faq__container {
    max-width: var(--max-width-narrow);
    margin: 0 auto;
}

.faq__title {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

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

.faq__item {
    background-color: var(--color-bg);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.faq__question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    background: transparent;
    border: none;
    text-align: left;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-accent);
    cursor: pointer;
    transition: background-color var(--transition-base);
}

.faq__question:hover {
    background-color: rgba(0, 0, 0, 0.02);
}

.faq__icon {
    flex-shrink: 0;
    transition: transform var(--transition-base);
    color: var(--color-primary);
}

.faq__question[aria-expanded="true"] .faq__icon {
    transform: rotate(180deg);
}

.faq__answer {
    padding: 0 var(--spacing-lg) var(--spacing-md);
    color: var(--color-muted);
}

.faq__answer p {
    margin-bottom: 0;
}

/* ============================================
   Contact
   ============================================ */
.contact {
    padding: var(--spacing-3xl) var(--spacing-md);
    background-color: var(--color-bg);
}

.contact__container {
    max-width: var(--max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
}

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

.contact__text {
    color: var(--color-muted);
    margin-bottom: var(--spacing-xl);
}

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

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

.contact__icon {
    flex-shrink: 0;
    color: var(--color-primary);
}

.contact__detail-title {
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-xs);
    color: var(--color-accent);
}

.contact__link {
    color: var(--color-primary);
    font-weight: 600;
    transition: color var(--transition-base);
}

.contact__link:hover,
.contact__link:focus {
    color: var(--color-accent);
    text-decoration: underline;
}

.contact__hours {
    font-size: 0.875rem;
    color: var(--color-muted);
    margin-top: var(--spacing-xs);
}

@media (min-width: 768px) {
    .contact__container {
        grid-template-columns: 1fr 1.5fr;
    }
}

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

.contact__form-title {
    margin-bottom: var(--spacing-xl);
}

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

.contact__label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    color: var(--color-accent);
}

.contact__input,
.contact__textarea {
    width: 100%;
    padding: var(--spacing-sm);
    border: 2px solid rgba(0, 0, 0, 0.1);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 1rem;
    transition: border-color var(--transition-base);
}

.contact__input:focus,
.contact__textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

.contact__input.error {
    border-color: var(--color-error);
}

.contact__textarea {
    resize: vertical;
}

.contact__error {
    display: block;
    margin-top: var(--spacing-xs);
    font-size: 0.875rem;
    color: var(--color-error);
}

.contact__form-note {
    font-size: 0.875rem;
    color: var(--color-muted);
    margin-bottom: var(--spacing-md);
}

.contact__submit {
    width: 100%;
}

.contact__form-message {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    font-weight: 600;
    text-align: center;
}

.contact__form-message.success {
    background-color: rgba(5, 150, 105, 0.1);
    color: var(--color-success);
    border: 2px solid var(--color-success);
}

.contact__form-message.error {
    background-color: rgba(220, 38, 38, 0.1);
    color: var(--color-error);
    border: 2px solid var(--color-error);
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background-color: var(--color-accent);
    color: var(--color-white);
    padding: var(--spacing-2xl) var(--spacing-md) var(--spacing-lg);
}

.footer__container {
    max-width: var(--max-width);
    margin: 0 auto;
}

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

.footer__brand img {
    margin-bottom: var(--spacing-sm);
}

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

.footer__heading {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--color-white);
}

.footer__link {
    color: rgba(255, 255, 255, 0.9);
    transition: color var(--transition-base);
}

.footer__link:hover,
.footer__link:focus {
    color: var(--color-white);
    text-decoration: underline;
}

.footer__list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.footer__hours {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.8);
    margin-top: var(--spacing-sm);
}

.footer__social {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.footer__social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    transition: background-color var(--transition-base);
}

.footer__social-link:hover,
.footer__social-link:focus {
    background-color: rgba(255, 255, 255, 0.2);
}

.footer__bottom {
    padding-top: var(--spacing-lg);
}

.footer__copyright {
    text-align: center;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
}

@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;
    }
}