/* =============================================
   KILMAINHAM TOURS - Main Stylesheet
   Warm Light Theme | Beige & Brown | Adventure
   ============================================= */

/* -------------------- CSS Variables -------------------- */
:root {
  /* Colors - Warm Palette */
  --color-bg-primary: #FAF7F2;
  --color-bg-secondary: #F5F0E8;
  --color-bg-tertiary: #EDE6DB;
  --color-bg-card: #FFFFFF;
  
  --color-brown: #6B4423;
  --color-brown-light: #8B5A2B;
  --color-brown-dark: #4A2C17;
  --color-terracotta: #C4724D;
  --color-terracotta-light: #D4886A;
  --color-green: #5C7A4A;
  --color-cream: #FDF8F0;
  
  --color-text-primary: #2C2418;
  --color-text-secondary: #5C5245;
  --color-text-muted: #8C8478;
  
  /* Typography */
  --font-primary: 'Source Sans 3', sans-serif;
  --font-display: 'Playfair Display', serif;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
  
  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
  --transition-slow: 0.4s ease;
  
  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(44, 36, 24, 0.08);
  --shadow-md: 0 4px 20px rgba(44, 36, 24, 0.12);
  --shadow-lg: 0 8px 40px rgba(44, 36, 24, 0.16);
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;
}

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

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

body {
  font-family: var(--font-primary);
  background-color: var(--color-bg-primary);
  color: var(--color-text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
}

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

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

ul, ol {
  list-style: none;
}

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

/* -------------------- Typography -------------------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-text-primary);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  letter-spacing: -0.01em;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
}

h4 {
  font-size: 1.125rem;
}

p {
  color: var(--color-text-secondary);
  margin-bottom: 1rem;
}

.text-brown {
  color: var(--color-brown);
}

.text-terracotta {
  color: var(--color-terracotta);
}

/* -------------------- Layout -------------------- */
.container {
  width: 100%;
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.section {
  padding: var(--spacing-lg) 0;
}

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

.section-header h2 {
  margin-bottom: var(--spacing-sm);
}

.section-header p {
  max-width: 600px;
  margin: 0 auto;
  font-size: 1.1rem;
}

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-terracotta);
  margin-bottom: var(--spacing-xs);
}

/* -------------------- Header -------------------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--spacing-sm) 0;
  background: rgba(250, 247, 242, 0.9);
  backdrop-filter: blur(20px);
  transition: all var(--transition-normal);
}

.header.scrolled {
  padding: var(--spacing-xs) 0;
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  z-index: 1001;
}

.logo img {
  height: 100px;
  width: auto;
}

.logo-text {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-brown);
}

/* Desktop Navigation */
.nav-desktop {
  display: none;
}

@media (min-width: 1024px) {
  .nav-desktop {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
  }
  
  .nav-desktop a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    padding: 0.5rem 0;
    position: relative;
  }
  
  .nav-desktop a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-terracotta);
    transition: width var(--transition-normal);
  }
  
  .nav-desktop a:hover {
    color: var(--color-brown);
  }
  
  .nav-desktop a:hover::after {
    width: 100%;
  }
  
  .nav-desktop .btn {
    margin-left: var(--spacing-sm);
  }
  
  .nav-desktop .btn-primary {
    background: var(--color-brown);
    color: #fff !important;
    border: 2px solid var(--color-brown);
    padding: 0.75rem 1.5rem;
  }
  
  .nav-desktop .btn-primary:hover {
    background: var(--color-brown-dark);
    border-color: var(--color-brown-dark);
    color: #fff !important;
  }
}

/* Menu Toggle Button */
.menu-toggle {
  width: 44px;
  height: 44px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  z-index: 1001;
  background: var(--color-cream);
  border: 1px solid var(--color-bg-tertiary);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

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

.menu-toggle:hover {
  background: var(--color-bg-tertiary);
}

.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background-color: var(--color-brown);
  transition: all var(--transition-fast);
}

.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translateY(5px);
}

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

.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translateY(-5px);
}

/* -------------------- Mobile Navigation Overlay -------------------- */
.nav-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--color-bg-primary);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.nav-menu {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  text-align: center;
}

.nav-menu a {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--color-text-primary);
  transition: color var(--transition-fast);
}

.nav-menu a:hover {
  color: var(--color-terracotta);
}

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

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

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

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    135deg,
    rgba(250, 247, 242, 0.92) 0%,
    rgba(250, 247, 242, 0.7) 50%,
    rgba(250, 247, 242, 0.4) 100%
  );
  z-index: -1;
}

.hero-content {
  max-width: 700px;
}

.hero-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-terracotta);
  margin-bottom: var(--spacing-md);
}

.hero-label svg {
  width: 20px;
  height: 20px;
}

.hero h1 {
  margin-bottom: var(--spacing-md);
}

.hero-description {
  font-size: 1.25rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-lg);
  max-width: 550px;
}

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

.hero-stats {
  display: flex;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-bg-tertiary);
}

.hero-stat {
  text-align: left;
}

.hero-stat-number {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 600;
  color: var(--color-brown);
  line-height: 1;
}

.hero-stat-label {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-top: 0.25rem;
}

/* -------------------- Buttons -------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all var(--transition-normal);
  cursor: pointer;
}

.btn-primary {
  background: var(--color-brown);
  color: #fff;
  border: 2px solid var(--color-brown);
}

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

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

.btn-secondary:hover {
  background: var(--color-brown);
  color: #fff;
  transform: translateY(-2px);
}

.btn-terracotta {
  background: var(--color-terracotta);
  color: #fff;
  border: 2px solid var(--color-terracotta);
}

.btn-terracotta:hover {
  background: var(--color-terracotta-light);
  border-color: var(--color-terracotta-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn svg {
  width: 18px;
  height: 18px;
}

/* -------------------- Tours Section -------------------- */
.tours-section {
  padding: var(--spacing-lg) 0;
  background: var(--color-bg-secondary);
}

.tours-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-md);
}

.tour-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.tour-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.tour-card-image {
  position: relative;
  height: 240px;
  overflow: hidden;
}

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

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

.tour-card-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: var(--color-terracotta);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-sm);
}

.tour-card-content {
  padding: var(--spacing-md);
}

.tour-card-content h3 {
  margin-bottom: 0.5rem;
}

.tour-card-content p {
  font-size: 0.95rem;
  margin-bottom: var(--spacing-sm);
}

.tour-card-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.tour-card-meta span {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.tour-card-meta svg {
  width: 16px;
  height: 16px;
  color: var(--color-terracotta);
}

.tour-card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-brown);
  font-weight: 600;
  font-size: 0.9rem;
}

.tour-card-link:hover {
  color: var(--color-terracotta);
}

.tour-card-link svg {
  width: 16px;
  height: 16px;
  transition: transform var(--transition-fast);
}

.tour-card-link:hover svg {
  transform: translateX(4px);
}

/* -------------------- Places Section -------------------- */
.places-section {
  padding: var(--spacing-lg) 0;
}

.places-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-sm);
}

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

@media (max-width: 600px) {
  .places-grid {
    grid-template-columns: 1fr;
  }
}

.place-card {
  position: relative;
  height: 280px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
}

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

.place-card:hover img {
  transform: scale(1.1);
}

.place-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(44, 36, 24, 0.85) 0%,
    rgba(44, 36, 24, 0.2) 60%,
    transparent 100%
  );
  transition: background var(--transition-normal);
}

.place-card:hover .place-card-overlay {
  background: linear-gradient(
    to top,
    rgba(107, 68, 35, 0.9) 0%,
    rgba(107, 68, 35, 0.3) 60%,
    transparent 100%
  );
}

.place-card-content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--spacing-md);
  color: #fff;
}

.place-card-content h4 {
  color: #fff;
  font-size: 1.125rem;
  margin-bottom: 0.25rem;
}

.place-card-content span {
  font-size: 0.8rem;
  opacity: 0.8;
}

/* -------------------- Testimonials Section -------------------- */
.testimonials-section {
  padding: var(--spacing-lg) 0;
  background: var(--color-bg-tertiary);
  position: relative;
}

.testimonials-slider {
  position: relative;
  overflow: hidden;
}

.testimonials-track {
  display: flex;
  transition: transform 0.5s ease;
}

.testimonial-slide {
  min-width: 100%;
  padding: 0 var(--spacing-md);
}

.testimonial-card {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  padding: var(--spacing-lg);
  background: var(--color-bg-card);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
}

.testimonial-quote {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-style: italic;
  color: var(--color-text-primary);
  line-height: 1.6;
  margin-bottom: var(--spacing-md);
}

.testimonial-quote::before {
  content: '"';
  font-size: 3rem;
  color: var(--color-terracotta);
  line-height: 0;
  vertical-align: -0.5rem;
  margin-right: 0.25rem;
}

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

.testimonial-author-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--color-terracotta);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 600;
  font-size: 1.25rem;
}

.testimonial-author-info h4 {
  font-family: var(--font-primary);
  font-size: 1rem;
  margin-bottom: 0;
}

.testimonial-author-info span {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.testimonial-dots {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-top: var(--spacing-md);
}

.testimonial-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-bg-secondary);
  border: 2px solid var(--color-brown);
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

/* -------------------- About Section -------------------- */
.about-section {
  padding: var(--spacing-xl) 0;
}

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

@media (max-width: 900px) {
  .about-grid {
    grid-template-columns: 1fr;
  }
}

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

.about-image img {
  width: 100%;
  height: 450px;
  object-fit: cover;
}

.about-content h2 {
  margin-bottom: var(--spacing-sm);
}

.about-content p {
  margin-bottom: var(--spacing-sm);
}

/* -------------------- CTA Section -------------------- */
.cta-section {
  padding: var(--spacing-lg) 0;
  background: var(--color-brown);
  color: #fff;
  text-align: center;
}

.cta-section h2 {
  color: #fff;
  margin-bottom: var(--spacing-sm);
}

.cta-section p {
  color: rgba(255, 255, 255, 0.8);
  max-width: 500px;
  margin: 0 auto var(--spacing-md);
}

.cta-section .btn-primary {
  background: #fff;
  color: var(--color-brown);
  border-color: #fff;
}

.cta-section .btn-primary:hover {
  background: var(--color-cream);
  border-color: var(--color-cream);
}

/* -------------------- Page Hero -------------------- */
.page-hero {
  position: relative;
  height: 50vh;
  min-height: 350px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 80px;
}

.page-hero .hero-bg img {
  filter: brightness(0.8);
}

.page-hero .hero-overlay {
  background: linear-gradient(
    to bottom,
    rgba(250, 247, 242, 0.3) 0%,
    rgba(250, 247, 242, 0.85) 100%
  );
}

.page-hero-content {
  text-align: center;
  position: relative;
  z-index: 1;
}

.page-hero-content h1 {
  margin-bottom: var(--spacing-xs);
}

.page-hero-content p {
  font-size: 1.25rem;
  color: var(--color-text-secondary);
}

/* -------------------- Tour Detail Page -------------------- */
.tour-detail {
  padding: var(--spacing-lg) 0 var(--spacing-xl);
}

.tour-detail-content {
  max-width: 800px;
  margin: 0 auto;
}

.tour-info-box {
  background: var(--color-bg-card);
  border: 1px solid var(--color-bg-tertiary);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
}

.tour-info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--spacing-md);
}

.tour-info-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
}

.tour-info-item svg {
  width: 24px;
  height: 24px;
  color: var(--color-terracotta);
  flex-shrink: 0;
}

.tour-info-item h4 {
  font-family: var(--font-primary);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  margin-bottom: 0.25rem;
}

.tour-info-item p {
  color: var(--color-text-primary);
  font-weight: 500;
  margin: 0;
}

/* -------------------- Contact Section -------------------- */
.contact-section {
  padding: var(--spacing-xl) 0;
}

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

@media (max-width: 900px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

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

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  background: var(--color-bg-card);
  border: 1px solid var(--color-bg-tertiary);
  border-radius: var(--radius-lg);
  transition: all var(--transition-normal);
}

.contact-item:hover {
  border-color: var(--color-terracotta);
  box-shadow: var(--shadow-sm);
}

.contact-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-terracotta);
  border-radius: var(--radius-md);
  flex-shrink: 0;
}

.contact-icon svg {
  width: 24px;
  height: 24px;
  color: #fff;
}

.contact-item h4 {
  font-family: var(--font-primary);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  margin-bottom: 0.25rem;
}

.contact-item p {
  color: var(--color-text-primary);
  margin: 0;
}

.contact-item a {
  color: var(--color-brown);
  font-weight: 500;
}

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

/* Booking Box */
.booking-box {
  background: var(--color-brown);
  color: #fff;
  padding: var(--spacing-lg);
  border-radius: var(--radius-xl);
}

.booking-box h3 {
  color: #fff;
  margin-bottom: var(--spacing-sm);
}

.booking-box p {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--spacing-md);
}

.booking-box .contact-item {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
}

.booking-box .contact-item h4 {
  color: rgba(255, 255, 255, 0.7);
}

.booking-box .contact-item p,
.booking-box .contact-item a {
  color: #fff;
}

/* -------------------- Footer -------------------- */
.footer {
  background: var(--color-brown-dark);
  color: #fff;
  padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

@media (max-width: 900px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 600px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

.footer-about p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.95rem;
  margin-top: var(--spacing-sm);
}

.footer-links h4 {
  color: #fff;
  font-family: var(--font-primary);
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-sm);
}

.footer-links ul {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.95rem;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-terracotta-light);
}

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

.footer-bottom p {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.875rem;
  margin: 0;
}

/* -------------------- Animations -------------------- */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* -------------------- Back to Top -------------------- */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 48px;
  height: 48px;
  background: var(--color-brown);
  border: none;
  border-radius: 50%;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition-normal);
  cursor: pointer;
  z-index: 100;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--color-brown-dark);
  transform: translateY(-3px);
}

.back-to-top svg {
  width: 24px;
  height: 24px;
}

/* -------------------- Utilities -------------------- */
.text-center {
  text-align: center;
}

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