/*
 * CHINTAN RAVILAL THACKER - Official Website
 * Main Stylesheet (css/style.css)
 * Premium Agricultural Commission Agent & Wholesale Broker
 */

/* Import Google Font */
@import url('https://fonts.googleapis.com/css2?family=Poppins:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;1,400&display=swap');

/* CSS Variables */
:root {
  --primary-color: #2E7D32;       /* Forest Green */
  --primary-light: #E8F5E9;       /* Light Sage Green */
  --secondary-color: #4CAF50;     /* Leaf Green */
  --accent-color: #F9A825;        /* Amber Gold */
  --accent-light: #FFF9C4;        /* Light Amber */
  --dark-color: #1E293B;          /* Slate Dark */
  --text-muted: #64748B;          /* Slate Gray Muted */
  --bg-color: #F8FAFC;            /* Clean Off-white */
  --white: #FFFFFF;
  --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
  --shadow-md: 0 10px 20px rgba(0,0,0,0.08);
  --shadow-lg: 0 20px 40px rgba(0,0,0,0.12);
  --border-radius: 12px;
  --border-radius-lg: 24px;
}

/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: 'Poppins', sans-serif;
  background-color: var(--bg-color);
  color: var(--dark-color);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Scroll Progress Bar */
.scroll-progress-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: transparent;
  z-index: 1001;
}

.scroll-progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(to right, var(--secondary-color), var(--accent-color));
  transition: width 0.1s ease-out;
}

/* Typography & Titles */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.3;
}

p {
  color: var(--text-muted);
}

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

/* Sticky Header */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
  z-index: 1000;
  transition: var(--transition);
}

header.scrolled {
  padding: 8px 0;
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-md);
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 15px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-icon {
  background: var(--primary-color);
  color: var(--white);
  width: 45px;
  height: 45px;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 20px;
  font-weight: 800;
  box-shadow: 0 4px 10px rgba(46, 125, 50, 0.3);
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-size: 1.15rem;
  color: var(--dark-color);
  font-weight: 700;
  letter-spacing: 0.5px;
}

.brand-sub {
  font-size: 0.7rem;
  color: var(--primary-color);
  text-transform: uppercase;
  font-weight: 600;
  letter-spacing: 1px;
}

/* Navigation */
.nav-menu {
  display: flex;
  list-style: none;
  gap: 30px;
  align-items: center;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--dark-color);
  position: relative;
  padding: 5px 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background-color: var(--primary-color);
  transition: var(--transition);
}

.nav-link:hover, .nav-link.active {
  color: var(--primary-color);
}

.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

/* Menu Toggle Button */
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 20px;
  cursor: pointer;
  z-index: 1002;
}

.menu-toggle span {
  display: block;
  height: 3px;
  width: 100%;
  background-color: var(--dark-color);
  border-radius: 3px;
  transition: var(--transition);
}

/* Utility Elements & Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  font-weight: 600;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: var(--transition);
  font-size: 0.95rem;
  gap: 8px;
  border: none;
}

.btn-primary {
  background-color: var(--primary-color);
  color: var(--white);
  box-shadow: 0 4px 12px rgba(46, 125, 50, 0.25);
}

.btn-primary:hover {
  background-color: var(--secondary-color);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(76, 175, 80, 0.35);
}

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

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

.btn-accent {
  background-color: var(--accent-color);
  color: var(--dark-color);
  box-shadow: 0 4px 12px rgba(249, 168, 37, 0.25);
}

.btn-accent:hover {
  background-color: #fbc02d;
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(249, 168, 37, 0.35);
}

/* Hero Section */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 120px 20px 80px 20px;
  background: linear-gradient(rgba(30, 41, 59, 0.75), rgba(30, 41, 59, 0.85)), url('../images/hero.jpg') no-repeat center center/cover;
  color: var(--white);
  text-align: center;
}

.hero-content {
  max-width: 800px;
  z-index: 2;
  animation: fadeIn 1s ease-out;
}

.hero-badge {
  display: inline-block;
  background: rgba(76, 175, 80, 0.2);
  border: 1px solid var(--secondary-color);
  color: var(--secondary-color);
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  margin-bottom: 20px;
  letter-spacing: 1px;
}

.hero-title {
  font-size: 3.5rem;
  margin-bottom: 20px;
  line-height: 1.2;
}

.hero-title span {
  color: var(--accent-color);
}

.hero-desc {
  font-size: 1.15rem;
  color: #CBD5E1;
  margin-bottom: 40px;
  line-height: 1.8;
}

.hero-btns {
  display: flex;
  gap: 20px;
  justify-content: center;
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Global Section Styles */
section {
  padding: 100px 20px;
}

.section-container {
  max-width: 1200px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 60px auto;
}

.section-tag {
  color: var(--primary-color);
  text-transform: uppercase;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  margin-bottom: 10px;
  display: block;
}

.section-title {
  font-size: 2.25rem;
  color: var(--dark-color);
  margin-bottom: 15px;
  position: relative;
}

.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  background-color: var(--accent-color);
  margin: 15px auto 0 auto;
  border-radius: 2px;
}

.section-desc {
  font-size: 1.05rem;
}

/* Why Choose Us Section */
.why-section {
  background-color: var(--white);
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.why-card {
  background: var(--bg-color);
  padding: 40px 30px;
  border-radius: var(--border-radius);
  border: 1px solid #E2E8F0;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.why-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 0%;
  background-color: var(--primary-color);
  transition: var(--transition);
}

.why-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  background: var(--white);
}

.why-card:hover::before {
  height: 100%;
}

.why-icon {
  background-color: var(--primary-light);
  color: var(--primary-color);
  width: 60px;
  height: 60px;
  border-radius: var(--border-radius);
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 24px;
  margin-bottom: 20px;
}

.why-card h3 {
  font-size: 1.25rem;
  margin-bottom: 12px;
  color: var(--dark-color);
}

/* Services Section */
.services-section {
  background-color: var(--bg-color);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.service-card {
  background: var(--white);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border: 1px solid #F1F5F9;
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.service-img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.service-body {
  padding: 30px;
}

.service-badge {
  display: inline-block;
  background-color: var(--primary-light);
  color: var(--primary-color);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 50px;
  margin-bottom: 15px;
  text-transform: uppercase;
}

.service-title {
  font-size: 1.3rem;
  margin-bottom: 12px;
  color: var(--dark-color);
}

/* Business Highlights Banner */
.highlights-section {
  background: linear-gradient(rgba(46, 125, 50, 0.9), rgba(46, 125, 50, 0.95)), url('../images/apmc_market.jpg') no-repeat center center/cover;
  color: var(--white);
  text-align: center;
  padding: 80px 20px;
}

.highlights-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 40px;
  max-width: 1200px;
  margin: 0 auto;
}

.highlight-item {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.highlight-number {
  font-size: 3rem;
  font-weight: 800;
  color: var(--accent-color);
  margin-bottom: 5px;
}

.highlight-text {
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.5px;
}

/* About Preview on Home */
.about-preview {
  background-color: var(--white);
}

.about-preview-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-preview-img-container {
  position: relative;
}

.about-preview-img {
  width: 100%;
  height: 480px;
  object-fit: cover;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
}

.about-experience-badge {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background-color: var(--accent-color);
  color: var(--dark-color);
  padding: 25px;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-lg);
  text-align: center;
  max-width: 180px;
}

.experience-years {
  font-size: 2.2rem;
  font-weight: 800;
  line-height: 1;
}

.experience-text {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
}

.about-preview-content {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.about-preview-list {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px;
  margin: 15px 0;
}

.about-preview-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
  font-weight: 550;
}

.about-preview-list li svg {
  color: var(--secondary-color);
  flex-shrink: 0;
}

/* Timeline Layout for About Page */
.timeline-section {
  background-color: var(--bg-color);
}

.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.timeline::after {
  content: '';
  position: absolute;
  width: 4px;
  background-color: var(--primary-light);
  top: 0;
  bottom: 0;
  left: 50%;
  margin-left: -2px;
}

.timeline-container {
  padding: 10px 40px;
  position: relative;
  background-color: inherit;
  width: 50%;
}

.timeline-container::after {
  content: '';
  position: absolute;
  width: 20px;
  height: 20px;
  right: -10px;
  background-color: var(--white);
  border: 4px solid var(--primary-color);
  top: 15px;
  border-radius: 50%;
  z-index: 1;
}

.left {
  left: 0;
}

.right {
  left: 50%;
}

.right::after {
  left: -10px;
}

.timeline-content {
  padding: 25px;
  background-color: var(--white);
  position: relative;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
}

.timeline-year {
  display: inline-block;
  background-color: var(--primary-color);
  color: var(--white);
  font-weight: 700;
  padding: 3px 12px;
  border-radius: 50px;
  font-size: 0.85rem;
  margin-bottom: 10px;
}

.timeline-content h3 {
  font-size: 1.15rem;
  margin-bottom: 8px;
  color: var(--dark-color);
}

/* Gallery Masonry and Lightbox */
.gallery-section {
  background-color: var(--white);
}

.gallery-filters {
  display: flex;
  justify-content: center;
  gap: 15px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.filter-btn {
  background-color: var(--bg-color);
  border: 1px solid #E2E8F0;
  padding: 8px 20px;
  border-radius: 50px;
  font-weight: 550;
  cursor: pointer;
  transition: var(--transition);
  font-size: 0.9rem;
}

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

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  grid-auto-rows: 240px;
  grid-gap: 20px;
}

.gallery-item {
  position: relative;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: var(--transition);
}

.gallery-item.tall {
  grid-row: span 2;
}

.gallery-item.wide {
  grid-column: span 2;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.gallery-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(transparent, rgba(30, 41, 59, 0.85));
  opacity: 0;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 20px;
  color: var(--white);
}

.gallery-item:hover .gallery-overlay {
  opacity: 1;
}

.gallery-item:hover img {
  transform: scale(1.08);
}

.gallery-overlay h4 {
  font-size: 1.1rem;
  margin-bottom: 5px;
}

.gallery-overlay p {
  color: var(--accent-color);
  font-size: 0.85rem;
  font-weight: 500;
  text-transform: uppercase;
}

/* Lightbox Modal */
.lightbox {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(15, 23, 42, 0.95);
  z-index: 1050;
  display: none;
  justify-content: center;
  align-items: center;
}

.lightbox-content-wrapper {
  position: relative;
  max-width: 90%;
  max-height: 80%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.lightbox img {
  max-width: 100%;
  max-height: 80vh;
  object-fit: contain;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-lg);
  border: 3px solid rgba(255, 255, 255, 0.1);
}

.lightbox-caption {
  color: var(--white);
  margin-top: 15px;
  font-size: 1.1rem;
  text-align: center;
  font-weight: 500;
}

.lightbox-close {
  position: absolute;
  top: -50px;
  right: 0;
  color: var(--white);
  font-size: 30px;
  cursor: pointer;
}

.lightbox-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  color: var(--white);
  font-size: 40px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 20px;
  z-index: 1060;
  transition: var(--transition);
}

.lightbox-arrow:hover {
  color: var(--accent-color);
}

.lightbox-prev {
  left: -80px;
}

.lightbox-next {
  right: -80px;
}

/* Contact Details & Form */
.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 1.8fr;
  gap: 50px;
}

.contact-info-card {
  background: var(--white);
  padding: 40px;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
  border: 1px solid #E2E8F0;
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.contact-detail-item {
  display: flex;
  gap: 20px;
}

.contact-icon {
  background-color: var(--primary-light);
  color: var(--primary-color);
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 20px;
  flex-shrink: 0;
}

.contact-detail-text h4 {
  font-size: 1rem;
  margin-bottom: 5px;
  color: var(--dark-color);
}

.contact-detail-text p, .contact-detail-text a {
  font-size: 0.95rem;
  color: var(--text-muted);
}

.contact-detail-text a:hover {
  color: var(--primary-color);
}

.map-container {
  height: 250px;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid #E2E8F0;
}

.map-container iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

.contact-form-container {
  background: var(--white);
  padding: 40px;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-md);
  border: 1px solid #F1F5F9;
}

.form-title {
  font-size: 1.6rem;
  margin-bottom: 25px;
  color: var(--dark-color);
}

.form-group-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}

.form-group {
  margin-bottom: 20px;
  position: relative;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--dark-color);
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid #E2E8F0;
  border-radius: var(--border-radius);
  font-family: inherit;
  font-size: 0.95rem;
  outline: none;
  transition: var(--transition);
}

.form-control:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 4px rgba(46, 125, 50, 0.1);
}

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

.error-msg {
  color: #DC2626;
  font-size: 0.75rem;
  margin-top: 4px;
  font-weight: 550;
  display: none;
}

.form-group.has-error .form-control {
  border-color: #DC2626;
}

.form-group.has-error .error-msg {
  display: block;
}

/* Banner / Page Header for Subpages */
.subpage-banner {
  background: linear-gradient(rgba(30, 41, 59, 0.8), rgba(30, 41, 59, 0.95)), url('../images/warehouse.jpg') no-repeat center center/cover;
  padding: 140px 20px 80px 20px;
  text-align: center;
  color: var(--white);
}

.subpage-title {
  font-size: 2.5rem;
  margin-bottom: 10px;
}

.breadcrumb {
  display: flex;
  justify-content: center;
  gap: 10px;
  font-size: 0.9rem;
  color: #94A3B8;
  list-style: none;
}

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

.breadcrumb-item.active {
  color: var(--white);
  font-weight: 500;
}

.breadcrumb-item + .breadcrumb-item::before {
  content: '/';
  margin-right: 10px;
  color: #64748B;
}

/* Privacy Policy Content */
.policy-section {
  background-color: var(--white);
}

.policy-content-wrapper {
  max-width: 800px;
  margin: 0 auto;
}

.policy-card {
  background: var(--bg-color);
  border: 1px solid #E2E8F0;
  padding: 40px;
  border-radius: var(--border-radius);
  margin-bottom: 30px;
}

.policy-card h2 {
  font-size: 1.4rem;
  color: var(--dark-color);
  margin-bottom: 15px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.policy-card h2 span {
  color: var(--primary-color);
}

.policy-card p {
  font-size: 0.95rem;
  margin-bottom: 15px;
}

.policy-card ul {
  list-style: none;
  padding-left: 0;
  margin-bottom: 15px;
}

.policy-card ul li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 8px;
  font-size: 0.95rem;
  color: var(--text-muted);
}

.policy-card ul li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--primary-color);
  font-weight: bold;
}

/* Footer Section */
footer {
  background-color: var(--dark-color);
  color: #94A3B8;
  padding: 80px 20px 20px 20px;
  border-top: 5px solid var(--primary-color);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.5fr;
  gap: 50px;
  max-width: 1200px;
  margin: 0 auto 50px auto;
}

.footer-brand h3 {
  color: var(--white);
  font-size: 1.4rem;
  margin-bottom: 15px;
}

.footer-brand p {
  font-size: 0.95rem;
  margin-bottom: 25px;
  color: #94A3B8;
}

.social-links {
  display: flex;
  gap: 15px;
}

.social-btn {
  background-color: rgba(255, 255, 255, 0.05);
  color: var(--white);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: var(--transition);
}

.social-btn:hover {
  background-color: var(--primary-color);
  transform: translateY(-3px);
}

.footer-links-col h4 {
  color: var(--white);
  font-size: 1.1rem;
  margin-bottom: 20px;
  position: relative;
}

.footer-links-col h4::after {
  content: '';
  display: block;
  width: 30px;
  height: 2px;
  background-color: var(--accent-color);
  margin-top: 8px;
}

.footer-links-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links-list a {
  font-size: 0.95rem;
}

.footer-links-list a:hover {
  color: var(--secondary-color);
  padding-left: 5px;
}

.footer-contact-info {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.footer-contact-item {
  display: flex;
  gap: 15px;
}

.footer-contact-icon {
  color: var(--secondary-color);
  font-size: 1.1rem;
  flex-shrink: 0;
}

.footer-contact-text h5 {
  color: var(--white);
  font-size: 0.95rem;
  margin-bottom: 3px;
}

.footer-contact-text p, .footer-contact-text a {
  font-size: 0.9rem;
  color: #94A3B8;
}

.footer-contact-text a:hover {
  color: var(--white);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 25px;
  text-align: center;
  max-width: 1200px;
  margin: 0 auto;
  font-size: 0.85rem;
}

/* Back To Top Button */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background-color: var(--primary-color);
  color: var(--white);
  width: 45px;
  height: 45px;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  box-shadow: var(--shadow-md);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 999;
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background-color: var(--secondary-color);
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}