/* Genel Stiller */
:root {
 --primary-color: #ffcc00;
  --secondary-color: #ff9900;
  --dark-color: #2d2d2d; /* Gri-siyah arası */
  --light-color: #3a3a3a; /* Orta gri */
  --gray-color: #b3b3b3;
  --white-color: #ffcc00;
  --black-color: #1a1a1a; /* Koyu gri-siyah */
  --transition: all 0.3s ease;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
}

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

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

.btn {
  display: inline-block;
  padding: 10px 20px;
  border-radius: 4px;
  font-weight: 500;
  text-align: center;
  transition: var(--transition);
  cursor: pointer;
  border: none;
}

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

.btn-primary:hover {
  background-color: #e6b800;
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: var(--secondary-color);
  color: var(--black-color);
}

.btn-secondary:hover {
  background-color: #e68a00;
  transform: translateY(-2px);
}

.btn-outline {
  border: 1px solid var(--primary-color);
  color: var(--primary-color);
  background-color: transparent;
}

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

.section-header {
  text-align: center;
  margin-bottom: 50px;
}

.section-title {
  font-size: 36px;
  font-weight: 600;
  margin-bottom: 15px;
  color: var(--white-color);
}

.section-subtitle {
  font-size: 18px;
  color: var(--gray-color);
  margin-bottom: 20px;
}

.section-line {
  width: 80px;
  height: 3px;
  background-color: var(--primary-color);
  margin: 0 auto;
}

/* Preloader */
.preloader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--dark-color);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  transition: opacity 0.5s ease;
}

.loader {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
}

.loader-square {
  width: 20px;
  height: 20px;
  background-color: var(--primary-color);
  animation: loaderAnimation 1.5s infinite ease-in-out;
}

.loader-square:nth-child(1) { animation-delay: 0s; }
.loader-square:nth-child(2) { animation-delay: 0.2s; }
.loader-square:nth-child(3) { animation-delay: 0.4s; }
.loader-square:nth-child(4) { animation-delay: 0.6s; }
.loader-square:nth-child(5) { animation-delay: 0.8s; }
.loader-square:nth-child(6) { animation-delay: 1s; }
.loader-square:nth-child(7) { animation-delay: 1.2s; }

@keyframes loaderAnimation {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-20px); }
}

/* Top Bar */
.top-bar {
  background-color: var(--black-color);
  color: var(--white-color);
  padding: 10px 0;
  font-size: 14px;
}

.top-bar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}

.top-bar-left, .top-bar-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

.top-bar-item {
  display: flex;
  align-items: center;
  gap: 5px;
}

.search-box {
  display: flex;
  align-items: center;
}

.search-box input {
  padding: 5px 10px;
  border: none;
  border-radius: 4px 0 0 4px;
  outline: none;
  background-color: #333;
  color: var(--white-color);
}

.search-box button {
  background-color: var(--primary-color);
  color: var(--black-color);
  border: none;
  padding: 5px 10px;
  border-radius: 0 4px 4px 0;
  cursor: pointer;
}

.social-links {
  display: flex;
  gap: 10px;
}

.social-links a {
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(255, 204, 0, 0.1);
  border-radius: 50%;
  transition: var(--transition);
}

.social-links a:hover {
  background-color: var(--primary-color);
  color: var(--black-color);
}

/* Header */
header {
  background-color: var(--dark-color);
  box-shadow: 0 2px 10px rgba(255, 204, 0, 0.1);
  position: sticky;
  top: 0;
  z-index: 100;
}

header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 0;
}

.logo-img {
  height: 50px;
}

.main-nav ul {
  display: flex;
  gap: 25px;
}

.main-nav a {
  font-weight: 500;
  position: relative;
  padding: 5px 0;
  color: var(--white-color);
}

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

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

.mobile-menu-btn {
  display: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--white-color);
}

/* Hero Slider */
.hero-slider {
  position: relative;
  overflow: hidden;
}

.slider-container {
  position: relative;
  height: 600px;
}

.slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 1s ease;
}

.slide.active {
  opacity: 1;
}

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

.slide-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.6);
}

.slide-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  color: var(--white-color);
  width: 100%;
  padding: 0 20px;
  max-width: 800px;
}

.slide-content h1 {
  font-size: 48px;
  font-weight: 700;
  margin-bottom: 20px;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
  color: var(--white-color);
}

.slide-content p {
  font-size: 20px;
  margin-bottom: 30px;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
  color: var(--white-color);
}

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

.slider-controls {
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  display: flex;
  justify-content: space-between;
  padding: 0 20px;
  transform: translateY(-50%);
  z-index: 10;
}

.slider-controls button {
  background-color: rgba(255, 204, 0, 0.2);
  color: var(--white-color);
  border: none;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}

.slider-controls button:hover {
  background-color: var(--primary-color);
  color: var(--black-color);
}

.slider-dots {
  position: absolute;
  bottom: 30px;
  left: 0;
  right: 0;
  display: flex;
  justify-content: center;
  gap: 10px;
}

.slider-dots .dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: rgba(255, 204, 0, 0.5);
  cursor: pointer;
  transition: var(--transition);
}

.slider-dots .dot.active {
  background-color: var(--white-color);
  transform: scale(1.2);
}

/* About Summary */
.about-summary {
  padding: 60px 0;
  background-color: var(--light-color);
}

.about-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
}

.about-card {
  background-color: #2a2a2a;
  padding: 30px;
  text-align: center;
  border-radius: 8px;
  box-shadow: 0 5px 15px rgba(255, 204, 0, 0.05);
  transition: var(--transition);
  color: var(--white-color);
}

.about-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 10px 25px rgba(255, 204, 0, 0.1);
}

.about-icon {
  font-size: 40px;
  color: var(--primary-color);
  margin-bottom: 20px;
}

.about-card h3 {
  font-size: 20px;
  margin-bottom: 10px;
  color: var(--white-color);
}

.about-card p {
  color: var(--gray-color);
}

/* Products Section */
.products-section {
  padding: 80px 0;
  background-color: var(--dark-color);
}

.product-categories {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 30px;
}

.category-btn {
  padding: 8px 20px;
  background-color: #333;
  color: var(--white-color);
  border: none;
  border-radius: 30px;
  cursor: pointer;
  transition: var(--transition);
}

.category-btn.active, 
.category-btn:hover {
  background-color: var(--primary-color);
  color: var(--black-color);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 30px;
  margin-bottom: 40px;
}

.product-card {
  background-color: #2a2a2a;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(255, 204, 0, 0.05);
  transition: var(--transition);
  position: relative;
  color: var(--white-color);
}

.product-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(255, 204, 0, 0.1);
}

.product-img {
  position: relative;
  height: 250px;
  overflow: hidden;
}

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

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

.product-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
}

.product-card:hover .product-overlay {
  opacity: 1;
}

.quick-view {
  color: var(--black-color);
  background-color: var(--primary-color);
  padding: 8px 15px;
  border-radius: 4px;
  font-size: 14px;
}

.product-badge {
  position: absolute;
  top: 15px;
  right: 15px;
  background-color: var(--secondary-color);
  color: var(--black-color);
  padding: 5px 10px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 500;
}

.product-content {
  padding: 20px;
}

.product-content h3 {
  font-size: 18px;
  margin-bottom: 10px;
  color: var(--white-color);
}

.product-rating {
  color: #ffc107;
  font-size: 14px;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 5px;
}

.product-rating span {
  color: var(--gray-color);
  font-size: 12px;
}

.product-price {
  margin-bottom: 15px;
}

.price {
  font-size: 18px;
  font-weight: 600;
  color: var(--primary-color);
}

.old-price {
  font-size: 14px;
  color: var(--gray-color);
  text-decoration: line-through;
  margin-left: 8px;
}

.product-actions {
  display: flex;
  gap: 10px;
}

.add-to-cart {
  flex: 1;
  background-color: var(--primary-color);
  color: var(--black-color);
  border: none;
  padding: 8px;
  border-radius: 4px;
  font-size: 14px;
  cursor: pointer;
  transition: var(--transition);
}

.add-to-cart:hover {
  background-color: #e6b800;
}

.add-to-wishlist {
  width: 40px;
  background-color: #333;
  color: var(--white-color);
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: var(--transition);
}

.add-to-wishlist:hover {
  color: var(--primary-color);
}

.view-all {
  text-align: center;
}

/* Features Section */
.features-section {
  padding: 60px 0;
  background-color: var(--light-color);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
}

.feature-card {
  background-color: #2a2a2a;
  padding: 30px;
  text-align: center;
  border-radius: 8px;
  box-shadow: 0 5px 15px rgba(255, 204, 0, 0.05);
  transition: var(--transition);
  color: var(--white-color);
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(255, 204, 0, 0.1);
}

.feature-icon {
  font-size: 40px;
  color: var(--primary-color);
  margin-bottom: 20px;
}

.feature-card h3 {
  font-size: 20px;
  margin-bottom: 10px;
  color: var(--white-color);
}

.feature-card p {
  color: var(--gray-color);
}

/* Projects Section */
.projects-section {
  padding: 80px 0;
  background-color: var(--dark-color);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 30px;
  margin-bottom: 40px;
}

.project-card {
  position: relative;
  height: 300px;
  border-radius: 8px;
  overflow: hidden;
}

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

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

.project-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.9), transparent);
  display: flex;
  align-items: flex-end;
  padding: 30px;
  opacity: 0;
  transition: var(--transition);
}

.project-card:hover .project-overlay {
  opacity: 1;
}

.project-content h3 {
  color: var(--white-color);
  font-size: 22px;
  margin-bottom: 5px;
}

.project-content p {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 15px;
}

.project-link {
  color: var(--white-color);
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

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

/* About Section */
.about-section {
  padding: 80px 0;
  background-color: var(--light-color);
}

.about-section .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}

.about-image {
  position: relative;
}

.about-img {
  border-radius: 8px;
  box-shadow: 0 10px 30px rgba(255, 204, 0, 0.1);
}

.experience-box {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background-color: var(--primary-color);
  color: var(--black-color);
  width: 120px;
  height: 120px;
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.experience-box span {
  font-size: 36px;
  font-weight: 700;
}

.experience-box p {
  font-size: 14px;
  text-align: center;
}

.about-list {
  margin: 20px 0 30px;
}

.about-list li {
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--white-color);
}

.about-list i {
  color: var(--primary-color);
}

.about-stats {
  display: flex;
  gap: 30px;
  margin: 30px 0;
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-size: 36px;
  font-weight: 700;
  color: var(--primary-color);
  display: block;
}

.stat-label {
  font-size: 14px;
  color: var(--gray-color);
}

.about-btns {
  display: flex;
  gap: 20px;
}

/* Testimonials Section */
.testimonials-section {
  padding: 80px 0;
  background-color: var(--dark-color);
}

.testimonials-slider {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
}

.testimonial-card {
  display: none;
  padding: 30px;
  background-color: #2a2a2a;
  border-radius: 8px;
  box-shadow: 0 5px 15px rgba(255, 204, 0, 0.05);
  color: var(--white-color);
}

.testimonial-card.active {
  display: block;
  animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.testimonial-content {
  position: relative;
}

.quote-icon {
  font-size: 40px;
  color: rgba(255, 204, 0, 0.1);
  margin-bottom: 20px;
}

.testimonial-content p {
  font-size: 18px;
  font-style: italic;
  margin-bottom: 30px;
  color: var(--white-color);
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 15px;
}

.testimonial-author img {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  object-fit: cover;
}

.author-info h4 {
  font-size: 18px;
  margin-bottom: 5px;
  color: var(--white-color);
}

.author-info p {
  font-size: 14px;
  color: var(--gray-color);
  font-style: normal;
  margin: 0;
}

.testimonials-dots {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 30px;
}

.testimonials-dots .dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: rgba(255, 204, 0, 0.3);
  cursor: pointer;
  transition: var(--transition);
}

.testimonials-dots .dot.active {
  background-color: var(--primary-color);
}

/* Blog Section */
.blog-section {
  padding: 80px 0;
  background-color: var(--light-color);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 30px;
  margin-bottom: 40px;
}

.blog-card {
  background-color: #2a2a2a;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(255, 204, 0, 0.05);
  transition: var(--transition);
  color: var(--white-color);
}

.blog-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(255, 204, 0, 0.1);
}

.blog-img {
  position: relative;
  height: 250px;
  overflow: hidden;
}

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

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

.blog-date {
  position: absolute;
  top: 15px;
  right: 15px;
  background-color: var(--primary-color);
  color: var(--black-color);
  padding: 5px 10px;
  border-radius: 4px;
  font-size: 14px;
}

.blog-content {
  padding: 25px;
}

.blog-content h3 {
  font-size: 20px;
  margin-bottom: 15px;
  color: var(--white-color);
}

.blog-content h3 a {
  transition: var(--transition);
  color: var(--white-color);
}

.blog-content h3 a:hover {
  color: var(--primary-color);
}

.blog-content p {
  margin-bottom: 20px;
  color: var(--gray-color);
}

.read-more {
  color: var(--primary-color);
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.read-more:hover {
  color: #e6b800;
}

/* Brands Section */
.brands-section {
  padding: 60px 0;
  background-color: var(--dark-color);
}

.brands-slider {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 30px;
}

.brand-item {
  flex: 1;
  min-width: 150px;
  text-align: center;
  opacity: 0.6;
  transition: var(--transition);
}

.brand-item:hover {
  opacity: 1;
}

.brand-item img {
  max-width: 100%;
  height: auto;
  filter: grayscale(100%);
  transition: var(--transition);
}

.brand-item:hover img {
  filter: grayscale(0);
}

/* Contact Section */
.contact-section {
  padding: 80px 0;
  background-color: var(--light-color);
}

.contact-section .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
}

.contact-item {
  display: flex;
  gap: 20px;
  margin-bottom: 30px;
}

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

.contact-details h4 {
  font-size: 18px;
  margin-bottom: 10px;
  color: var(--white-color);
}

.contact-details p {
  color: var(--gray-color);
}

.contact-form {
  background-color: #2a2a2a;
  padding: 40px;
  border-radius: 8px;
  box-shadow: 0 5px 15px rgba(255, 204, 0, 0.05);
  color: var(--white-color);
}

.contact-form h3 {
  font-size: 24px;
  margin-bottom: 20px;
  color: var(--white-color);
}

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

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 15px;
  border: 1px solid #444;
  border-radius: 4px;
  font-family: 'Poppins', sans-serif;
  transition: var(--transition);
  background-color: #333;
  color: var(--white-color);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--primary-color);
  outline: none;
}

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

/* Map Section */
.map-section {
  height: 450px;
  background-color: var(--dark-color);
}

.map-section iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* Footer */
footer {
  background-color: var(--black-color);
  color: var(--white-color);
}

.footer-top {
  padding: 80px 0 50px;
}

.footer-top .container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
}

.footer-col h4 {
  font-size: 20px;
  margin-bottom: 25px;
  position: relative;
  padding-bottom: 10px;
  color: var(--white-color);
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 50px;
  height: 2px;
  background-color: var(--primary-color);
}

.footer-logo {
  margin-bottom: 20px;
  height: 50px;
}

.footer-col p {
  margin-bottom: 20px;
  color: var(--gray-color);
}

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

.footer-social a {
  width: 40px;
  height: 40px;
  background-color: rgba(255, 204, 0, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  color: var(--white-color);
}

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

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul li a {
  color: var(--gray-color);
  transition: var(--transition);
}

.footer-col ul li a:hover {
  color: var(--primary-color);
  padding-left: 5px;
}

.newsletter-form {
  display: flex;
  margin-top: 20px;
}

.newsletter-form input {
  flex: 1;
  padding: 10px 15px;
  border: none;
  border-radius: 4px 0 0 4px;
  outline: none;
  background-color: #333;
  color: var(--white-color);
}

.newsletter-form button {
  background-color: var(--primary-color);
  color: var(--black-color);
  border: none;
  padding: 0 15px;
  border-radius: 0 4px 4px 0;
  cursor: pointer;
  transition: var(--transition);
}

.newsletter-form button:hover {
  background-color: #e6b800;
}

.footer-bottom {
  padding: 20px 0;
  background-color: rgba(0, 0, 0, 0.5);
}

.footer-bottom .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-bottom p {
  color: var(--gray-color);
  font-size: 14px;
}

.footer-links {
  display: flex;
  gap: 20px;
}

.footer-links a {
  font-size: 14px;
  color: var(--gray-color);
  transition: var(--transition);
}

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

/* Back to Top */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background-color: var(--primary-color);
  color: var(--black-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  box-shadow: 0 5px 15px rgba(255, 204, 0, 0.2);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 99;
  cursor: pointer;
}

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

.back-to-top:hover {
  background-color: #e6b800;
  transform: translateY(-5px);
}

/* WhatsApp Butonu */
.whatsapp-float {
  position: fixed;
  bottom: 20px;
  left: 20px;
  width: 60px;
  height: 60px;
  background-color: #25d366;
  color: white;
  border-radius: 50%;
  text-align: center;
  font-size: 30px;
  z-index: 1000;
  box-shadow: 2px 2px 5px rgba(0,0,0,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  animation: pulse 2s infinite;
  transition: transform 0.3s ease;
  cursor: pointer;
}

.whatsapp-float:hover {
  transform: scale(1.1);
}

@keyframes pulse {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.08);
  }
  100% {
    transform: scale(1);
  }
}

/* Responsive Styles */
@media (max-width: 992px) {
  .main-nav {
    position: fixed;
    top: 0;
    right: -300px;
    width: 300px;
    height: 100vh;
    background-color: var(--dark-color);
    box-shadow: -5px 0 15px rgba(255, 204, 0, 0.1);
    transition: var(--transition);
    z-index: 999;
  }

  .main-nav.active {
    right: 0;
  }

  .main-nav ul {
    flex-direction: column;
    padding: 80px 30px;
  }

  .mobile-menu-btn {
    display: block;
    z-index: 1000;
  }

  .about-section .container,
  .contact-section .container {
    grid-template-columns: 1fr;
  }

  .about-image {
    order: -1;
  }

  .slide-content h1 {
    font-size: 36px;
  }

  .slide-content p {
    font-size: 18px;
  }
}

@media (max-width: 768px) {
  .top-bar .container {
    flex-direction: column;
    gap: 15px;
  }

  .top-bar-left, .top-bar-right {
    width: 100%;
    justify-content: center;
  }

  .slider-container {
    height: 500px;
  }

  .slide-content h1 {
    font-size: 30px;
  }

  .section-title {
    font-size: 30px;
  }

  .products-grid {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  }

  .projects-grid {
    grid-template-columns: 1fr;
  }

  .about-stats {
    flex-direction: column;
    gap: 20px;
  }

  .about-btns {
    flex-direction: column;
  }
}

@media (max-width: 576px) {
  .slider-container {
    height: 400px;
  }

  .slide-content h1 {
    font-size: 24px;
  }

  .slide-content p {
    font-size: 16px;
  }

  .slide-btns {
    flex-direction: column;
    gap: 10px;
  }

  .section-title {
    font-size: 26px;
  }

  .about-cards, .features-grid {
    grid-template-columns: 1fr;
  }

  .product-categories {
    flex-direction: column;
    align-items: center;
  }

  .brands-slider {
    justify-content: center;
  }

  .brand-item {
    min-width: 120px;
  }

  .whatsapp-float {
    width: 50px;
    height: 50px;
    font-size: 24px;
  }
}