/* ==========================================
   CSS VARIABLES
   ========================================== */
:root {
    /* Colors - Casual Restaurant Theme */
    --primary-color: #ff6b6b;
    --primary-dark: #ee5a52;
    --primary-light: #ff8787;
    --secondary-color: #4ecdc4;
    --secondary-dark: #45b8b0;
    --accent-color: #ffd93d;
    --text-dark: #2d3436;
    --text-light: #636e72;
    --text-white: #ffffff;
    --bg-white: #ffffff;
    --bg-light: #f8f9fa;
    --bg-dark: #2d3436;
    --border-color: #dfe6e9;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.15);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.2);

    /* Typography */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-heading: 'Georgia', serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;

    /* Breakpoints */
    --mobile: 320px;
    --tablet: 768px;
    --desktop: 1024px;
    --wide: 1440px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* ==========================================
   RESET & BASE STYLES
   ========================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-primary);
    color: var(--text-dark);
    line-height: 1.6;
    background-color: var(--bg-white);
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

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

/* ==========================================
   LAYOUT COMPONENTS
   ========================================== */
.container {
    width: 100%;
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

@media (min-width: 768px) {
    .container {
        max-width: 720px;
    }
}

@media (min-width: 1024px) {
    .container {
        max-width: 960px;
    }
}

@media (min-width: 1440px) {
    .container {
        max-width: 1140px;
    }
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 5vw, 3rem);
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -0.5rem;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-top: var(--spacing-md);
}

/* ==========================================
   NAVIGATION
   ========================================== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.nav.nav--hidden {
    transform: translateY(-100%);
}

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

.nav__container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm);
}

.nav__logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
    transition: color var(--transition-fast);
}

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

.nav__toggle {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    width: 30px;
    height: 24px;
    z-index: 1001;
}

.nav__toggle span {
    display: block;
    width: 100%;
    height: 3px;
    background-color: var(--text-dark);
    transition: transform var(--transition-normal), opacity var(--transition-normal);
    border-radius: 2px;
}

.nav__toggle.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

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

.nav__toggle.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

.nav__menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 300px;
    height: 100vh;
    background-color: var(--bg-white);
    padding: 5rem var(--spacing-md) var(--spacing-md);
    box-shadow: var(--shadow-lg);
    transition: right var(--transition-normal);
}

.nav__menu.active {
    right: 0;
}

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

.nav__link {
    display: block;
    padding: var(--spacing-sm);
    color: var(--text-dark);
    font-weight: 500;
    transition: color var(--transition-fast), padding-left var(--transition-fast);
}

.nav__link:hover {
    color: var(--primary-color);
    padding-left: calc(var(--spacing-sm) + 0.5rem);
}

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

    .nav__menu {
        position: static;
        width: auto;
        max-width: none;
        height: auto;
        padding: 0;
        box-shadow: none;
        display: flex;
        gap: var(--spacing-md);
        background-color: transparent;
    }

    .nav__item {
        margin-bottom: 0;
    }

    .nav__link:hover {
        padding-left: var(--spacing-sm);
    }
}

/* ==========================================
   HERO SECTION
   ========================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    margin-top: 60px;
}

.hero__background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.hero__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    animation: slowZoom 20s ease-in-out infinite alternate;
}

@keyframes slowZoom {
    from {
        transform: scale(1);
    }
    to {
        transform: scale(1.1);
    }
}

.hero__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255, 107, 107, 0.7), rgba(78, 205, 196, 0.7));
    backdrop-filter: blur(2px);
}

.hero__content {
    position: relative;
    text-align: center;
    color: var(--text-white);
    padding: var(--spacing-md);
    animation: fadeInUp 1s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero__title {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 8vw, 4.5rem);
    font-weight: bold;
    margin-bottom: var(--spacing-sm);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero__subtitle {
    font-size: clamp(1.2rem, 3vw, 1.8rem);
    margin-bottom: var(--spacing-md);
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.hero__rating {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.stars {
    display: inline-flex;
    gap: 0.2rem;
}

.star {
    font-size: 1.5rem;
    color: #ddd;
}

.star.filled {
    color: var(--accent-color);
}

.star.half {
    background: linear-gradient(90deg, var(--accent-color) 50%, #ddd 50%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.rating-text {
    font-size: 1.1rem;
    font-weight: 500;
}

.hero__buttons {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-md);
}

.btn {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

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

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

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

.hero__info {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.hero__info-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background-color: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
}

.info-icon {
    font-size: 1.5rem;
}

.info-text {
    font-weight: 600;
}

/* ==========================================
   ABOUT SECTION
   ========================================== */
.about {
    padding: var(--spacing-xl) 0;
    background-color: var(--bg-white);
}

.about__content {
    display: grid;
    gap: var(--spacing-lg);
    align-items: center;
}

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

.about__description {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-light);
    margin-bottom: var(--spacing-md);
}

.about__features {
    display: grid;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

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

.feature {
    text-align: center;
    padding: var(--spacing-md);
    background-color: var(--bg-light);
    border-radius: 12px;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.feature:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.feature__icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.feature__title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: var(--spacing-xs);
}

.feature__text {
    color: var(--text-light);
}

.about__image {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

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

.about__image:hover img {
    transform: scale(1.05);
}

/* ==========================================
   HIGHLIGHTS SECTION
   ========================================== */
.highlights {
    padding: var(--spacing-xl) 0;
    background-color: var(--bg-light);
}

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

.highlight {
    background-color: var(--bg-white);
    padding: var(--spacing-md);
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.highlight:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.highlight__icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.highlight__title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
}

.highlight__text {
    color: var(--text-light);
    line-height: 1.6;
}

/* ==========================================
   SERVICES SECTION
   ========================================== */
.services {
    padding: var(--spacing-xl) 0;
    background-color: var(--bg-white);
}

.services__grid {
    display: grid;
    gap: var(--spacing-md);
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.service-category {
    background-color: var(--bg-light);
    padding: var(--spacing-md);
    border-radius: 12px;
}

.service-category__title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
    padding-bottom: var(--spacing-xs);
    border-bottom: 2px solid var(--primary-color);
}

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

.service-item {
    padding: var(--spacing-xs);
    color: var(--text-dark);
    font-size: 1rem;
}

.services__note {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md);
    background-color: var(--secondary-color);
    color: var(--text-white);
    border-radius: 12px;
    text-align: center;
    font-size: 1.1rem;
}

/* ==========================================
   GALLERY SECTION
   ========================================== */
.gallery {
    padding: var(--spacing-xl) 0;
    background-color: var(--bg-light);
}

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

.gallery__item {
    position: relative;
    overflow: hidden;
    border-radius: 12px;
    cursor: pointer;
    aspect-ratio: 4/3;
    box-shadow: var(--shadow-sm);
}

.gallery__item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

.gallery__item:hover img {
    transform: scale(1.1);
}

.gallery__item::after {
    content: '🔍';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 3rem;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.gallery__item:hover::after {
    opacity: 1;
}

/* Lightbox */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.95);
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
}

.lightbox.active {
    display: flex;
}

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

.lightbox__close,
.lightbox__prev,
.lightbox__next {
    position: absolute;
    color: var(--text-white);
    font-size: 3rem;
    background-color: rgba(255, 255, 255, 0.1);
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background-color var(--transition-fast);
}

.lightbox__close:hover,
.lightbox__prev:hover,
.lightbox__next:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

.lightbox__close {
    top: 20px;
    right: 20px;
}

.lightbox__prev {
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
}

.lightbox__next {
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
}

.lightbox__counter {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--text-white);
    background-color: rgba(0, 0, 0, 0.5);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 20px;
    font-size: 1rem;
}

/* ==========================================
   REVIEWS SECTION
   ========================================== */
.reviews {
    padding: var(--spacing-xl) 0;
    background-color: var(--bg-white);
}

.reviews__summary {
    display: grid;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

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

.reviews__overall {
    text-align: center;
    background-color: var(--bg-light);
    padding: var(--spacing-lg);
    border-radius: 12px;
}

.overall-rating {
    font-size: 4rem;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.stars--large .star {
    font-size: 2rem;
}

.reviews-count {
    margin-top: var(--spacing-sm);
    color: var(--text-light);
}

.reviews__distribution {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.distribution-bar {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.bar-label {
    min-width: 50px;
    font-weight: 600;
    color: var(--text-dark);
}

.bar-container {
    flex: 1;
    height: 20px;
    background-color: var(--border-color);
    border-radius: 10px;
    overflow: hidden;
}

.bar-fill {
    height: 100%;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    transition: width var(--transition-slow);
}

.bar-count {
    min-width: 40px;
    text-align: right;
    color: var(--text-light);
}

.reviews__list {
    display: grid;
    gap: var(--spacing-md);
}

.review {
    background-color: var(--bg-light);
    padding: var(--spacing-md);
    border-radius: 12px;
    border-left: 4px solid var(--primary-color);
}

.review__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.review__date {
    color: var(--text-light);
    font-size: 0.9rem;
}

.review__text {
    color: var(--text-dark);
    line-height: 1.6;
    margin-bottom: var(--spacing-sm);
}

.review__context {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-sm);
}

.context-badge {
    background-color: var(--secondary-color);
    color: var(--text-white);
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.85rem;
}

.review__details {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.detail-badge {
    background-color: var(--bg-white);
    color: var(--text-dark);
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.85rem;
    font-weight: 500;
}

.reviews__tags {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md);
    background-color: var(--bg-light);
    border-radius: 12px;
}

.tags-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
}

.tags-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.tag {
    background-color: var(--bg-white);
    color: var(--primary-color);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    border: 2px solid var(--primary-color);
    font-weight: 500;
}

/* ==========================================
   HOURS SECTION
   ========================================== */
.hours {
    padding: var(--spacing-xl) 0;
    background-color: var(--bg-light);
}

.hours__content {
    display: grid;
    gap: var(--spacing-lg);
}

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

.hours__schedule {
    background-color: var(--bg-white);
    padding: var(--spacing-md);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
}

.hours__day {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-sm);
    border-bottom: 1px solid var(--border-color);
}

.hours__day:last-child {
    border-bottom: none;
}

.day-name {
    font-weight: 600;
    color: var(--text-dark);
}

.day-hours {
    color: var(--primary-color);
    font-weight: 500;
}

.hours__busy {
    background-color: var(--bg-white);
    padding: var(--spacing-md);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
}

.busy-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: var(--spacing-xs);
}

.busy-subtitle {
    color: var(--text-light);
    margin-bottom: var(--spacing-md);
}

.busy-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.busy-item {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-xs);
    background-color: var(--bg-light);
    border-radius: 8px;
}

.busy-day {
    font-weight: 600;
    color: var(--text-dark);
}

.busy-time {
    color: var(--text-light);
}

.busy-note {
    padding: var(--spacing-sm);
    background-color: var(--accent-color);
    border-radius: 8px;
    text-align: center;
}

/* ==========================================
   CONTACT SECTION
   ========================================== */
.contact {
    padding: var(--spacing-xl) 0;
    background-color: var(--bg-white);
}

.contact__content {
    display: grid;
    gap: var(--spacing-lg);
}

@media (min-width: 1024px) {
    .contact__content {
        grid-template-columns: 1fr 1.5fr;
    }
}

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

.contact__item {
    display: flex;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background-color: var(--bg-light);
    border-radius: 12px;
}

.contact__icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.contact__title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: var(--spacing-xs);
}

.contact__text {
    color: var(--text-light);
    line-height: 1.6;
}

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

.contact__link:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

.contact__buttons {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.contact__map {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

/* ==========================================
   FOOTER
   ========================================== */
.footer {
    background-color: var(--bg-dark);
    color: var(--text-white);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer__content {
    display: grid;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

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

.footer__logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

.footer__tagline {
    color: var(--text-light);
    margin-bottom: var(--spacing-sm);
}

.footer__rating {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.9rem;
}

.footer__heading {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--primary-color);
}

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

.footer__menu a {
    color: var(--text-light);
    transition: color var(--transition-fast);
}

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

.footer__contact p {
    color: var(--text-light);
    margin-bottom: var(--spacing-xs);
}

.footer__contact a {
    color: var(--primary-color);
}

.footer__hours {
    margin-top: var(--spacing-sm);
    font-weight: 600;
}

.footer__bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-light);
}

.footer__bottom p {
    margin-bottom: var(--spacing-xs);
}

/* ==========================================
   SCROLL TO TOP BUTTON
   ========================================== */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    color: var(--text-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-normal), visibility var(--transition-normal), transform var(--transition-fast);
    z-index: 999;
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    transform: translateY(-5px);
    background-color: var(--primary-dark);
}

/* ==========================================
   ANIMATIONS
   ========================================== */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}

/* ==========================================
   UTILITIES
   ========================================== */
.text-center {
    text-align: center;
}

.mb-1 {
    margin-bottom: var(--spacing-sm);
}

.mb-2 {
    margin-bottom: var(--spacing-md);
}

.mb-3 {
    margin-bottom: var(--spacing-lg);
}

.mt-1 {
    margin-top: var(--spacing-sm);
}

.mt-2 {
    margin-top: var(--spacing-md);
}

.mt-3 {
    margin-top: var(--spacing-lg);
}

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

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

/* ==========================================
   RESPONSIVE TYPOGRAPHY
   ========================================== */
@media (max-width: 767px) {
    html {
        font-size: 14px;
    }
}

@media (min-width: 1440px) {
    html {
        font-size: 18px;
    }
}