* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', sans-serif;
  line-height: 1.6;
  color: #1e293b;
  overflow-x: hidden;
  background: #f8fafc;
}

/* Header Top Area */
.header-top {
  background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
  color: #e2e8f0;
  font-size: 0.875rem;
  padding: 12px 0;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1002;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.header-top-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: flex-start;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.header-top-left {
  display: flex;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.header-top-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  white-space: nowrap;
}

.header-icon {
  font-size: 1rem;
}

/* Navigation */
.navbar {
  position: fixed;
  top: 48px;
  width: 100%;
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(20px);
  z-index: 1001;
  transition: all 0.4s ease;
  padding: 1rem 0;
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 2rem;
}

.logo {
  display: flex;
  align-items: center;
  font-size: 1.8rem;
  font-weight: 800;
  color: #ff6b35;
  text-decoration: none;
}

.logo-icon {
  width: 45px;
  height: 45px;
  background: linear-gradient(135deg, #ff6b35, #f7931e);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 1rem;
  color: white;
  font-size: 1.4rem;
  box-shadow: 0 4px 12px rgba(255, 107, 53, 0.3);
}

.logo-text {
  display: flex;
  flex-direction: column;
  font-family: "Inter", sans-serif;
  line-height: 1.2;
}

.main-heading {
  font-size: 1.3rem;
  font-weight: 700;
  white-space: nowrap;
}

.sub-heading {
  font-size: 0.9rem;
  font-weight: 400;
  color: #94a3b8;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 0.5rem;
  align-items: center;
}

.nav-link {
  color: #e2e8f0;
  text-decoration: none;
  font-weight: 500;
  padding: 0.8rem 1.2rem;
  border-radius: 8px;
  transition: all 0.3s ease;
  position: relative;
}

.nav-link:hover {
  color: #ff6b35;
  background: rgba(255, 107, 53, 0.1);
  transform: translateY(-2px);
}

/* Hamburger Menu */
.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  padding: 0.5rem;
}

.hamburger span {
  width: 25px;
  height: 3px;
  background: #e2e8f0;
  margin: 3px 0;
  transition: 0.3s;
  border-radius: 2px;
}

.hamburger.active span:nth-child(1) {
  transform: rotate(-45deg) translate(-5px, 6px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(45deg) translate(-5px, -6px);
}

/* Dropdown Styling */
/* Dropdown base */
.dropdown {
  position: relative;
}

.dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background: rgba(15, 23, 42, 0.98);
  backdrop-filter: blur(12px);
  list-style: none;
  min-width: 220px;
  border-radius: 12px;
  padding: 0.8rem 0;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25);
  z-index: 999;
  transition: all 0.3s ease;
}

.dropdown-menu li a {
  display: block;
  padding: 0.75rem 1.2rem;
  color: #e2e8f0;
  text-decoration: none;
  font-weight: 500;
  transition: all 0.3s ease;
}

.dropdown-menu li a:hover {
  background: rgba(255, 107, 53, 0.1);
  color: #ff6b35;
  transform: translateX(5px);
}

/* Desktop hover */
@media(min-width: 769px) {
  .dropdown:hover .dropdown-menu {
    display: block;
  }
}

/* Mobile toggle */
@media(max-width: 768px) {
  .dropdown.active .dropdown-menu {
    display: block;
  }
  
  .dropdown-arrow {
    float: right;
    transition: transform 0.3s ease;
  }
  
  .dropdown.active .dropdown-arrow {
    transform: rotate(180deg);
  }
}

/* Hero Section */
.hero {
  height: 100vh;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, #0f172a, #1e293b);
  margin-top: 108px; /* header-top (48px) + navbar (60px) */
}

.hero-slider {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.hero-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 1.5s ease-in-out;
}

.hero-slide.active {
  opacity: 1;
}

.hero-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.4) contrast(1.1);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
  color: white;
  animation: fadeInUp 1s ease 0.3s both;
}

.hero-title {
  font-size: 4rem;
  font-weight: 800;
  margin-bottom: 1rem;
  line-height: 1.1;
  background: linear-gradient(135deg, #ffffff, #ff6b35);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.iso-cert {
  font-weight: bold;
  font-size: 1.1rem;
  color: #ff6b35;
  margin: 1rem 0;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

.hero-subtitle {
  font-size: 1.4rem;
  color: #cbd5e0;
  margin-bottom: 2rem;
  max-width: 600px;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.btn {
  padding: 1rem 2rem;
  border: none;
  border-radius: 30px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.4s ease;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.1rem;
}

.btn-primary {
  background: linear-gradient(135deg, #ff6b35, #f7931e);
  color: white;
  box-shadow: 0 8px 25px rgba(255, 107, 53, 0.4);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 35px rgba(255, 107, 53, 0.5);
}

.btn-secondary {
  background: transparent;
  color: white;
  border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.5);
  transform: translateY(-3px);
}

.hero-stats {
  display: flex;
  gap: 3rem;
  flex-wrap: wrap;
}

.about-stat {
  text-align: center;
  padding: 1.5rem;
  background: rgba(255, 107, 53, 0.1);
  border-radius: 15px;
  border: 1px solid rgba(255, 107, 53, 0.2);
  backdrop-filter: blur(10px);
}

.about-stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  color: #ff6b35;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.about-stat-label {
  color: #cbd5e0;
  margin-top: 0.5rem;
  font-weight: 500;
}

/* Sections */
.section-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-badge {
  display: inline-block;
  background: rgba(255, 107, 53, 0.1);
  color: #ff6b35;
  padding: 0.5rem 1rem;
  border-radius: 25px;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.section-title {
  font-size: 3rem;
  font-weight: 800;
  color: #0f172a;
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.2rem;
  color: #64748b;
  max-width: 600px;
  margin: 0 auto;
}

/* Coupler Intro Section */
.coupler-intro {
  padding: 6rem 0;
  background: white;
  position: relative;
}

.coupler-intro::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, #ff6b35, transparent);
}

.coupler-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.coupler-content h3 {
  font-size: 2rem;
  font-weight: 700;
  color: #0f172a;
  margin-bottom: 1.5rem;
}

.coupler-content p {
  font-size: 1.1rem;
  color: #475569;
  margin-bottom: 1.5rem;
  line-height: 1.8;
}

.coupler-features {
  display: grid;
  gap: 1rem;
  margin-top: 2rem;
}

.feature-point {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem;
  background: #f8fafc;
  border-radius: 10px;
  border-left: 4px solid #ff6b35;
  transition: all 0.3s ease;
}

.feature-point:hover {
  background: #f1f5f9;
  transform: translateX(10px);
}

.feature-icon {
  font-size: 1.5rem;
  color: #ff6b35;
  flex-shrink: 0;
  margin-top: 0.25rem;
}

.coupler-image {
  position: relative;
}

.coupler-image img {
  width: 100%;
  border-radius: 20px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
  transition: transform 0.5s ease;
}

.coupler-image:hover img {
  transform: scale(1.05);
}

/* Features Section */
.features {
  padding: 6rem 0;
  background: linear-gradient(135deg, #f8fafc, #e2e8f0);
}

.features-carousel {
  max-width: 1000px;
  margin: 3rem auto 0;
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 25px 80px rgba(0, 0, 0, 0.15);
}

.carousel-container {
  display: flex;
  transition: transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.carousel-slide {
  min-width: 100%;
  position: relative;
  height: 500px;
}

.carousel-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.slide-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(15, 23, 42, 0.9));
  color: white;
  padding: 3rem;
}

.slide-title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: #ff6b35;
}

.slide-description {
  font-size: 1.1rem;
  line-height: 1.6;
  opacity: 0.9;
}

.carousel-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.9);
  border: none;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.5rem;
  color: #ff6b35;
  transition: all 0.3s ease;
  z-index: 10;
}

.carousel-nav:hover {
  background: white;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
  transform: translateY(-50%) scale(1.1);
}

.carousel-prev {
  left: 30px;
}

.carousel-next {
  right: 30px;
}

.carousel-dots {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-top: 2rem;
}

.carousel-dot {
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: #cbd5e0;
  cursor: pointer;
  transition: all 0.3s ease;
}

.carousel-dot.active {
  background: #ff6b35;
  transform: scale(1.3);
}

/* Benefits Section */
.benefits {
  padding: 6rem 0;
  background: white;
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.benefit-card {
  background: white;
  padding: 2.5rem;
  border-radius: 20px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.05);
  border: 1px solid #f1f5f9;
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
}

.benefit-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(135deg, #ff6b35, #f7931e);
  transform: scaleX(0);
  transition: transform 0.4s ease;
}

.benefit-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

.benefit-card:hover::before {
  transform: scaleX(1);
}

.benefit-icon {
  font-size: 3rem;
  color: #ff6b35;
  margin-bottom: 1.5rem;
  display: block;
}

.benefit-card h3 {
  font-size: 1.4rem;
  font-weight: 700;
  color: #0f172a;
  margin-bottom: 1rem;
}

.benefit-card p {
  color: #64748b;
  line-height: 1.7;
}

/* Clients Section */
.clients {
  padding: 4rem 0;
  background: #f9fafb;
}

.client-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.client-card {
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  padding: 2rem 1.5rem;
  text-align: center;
  font-weight: 600;
  color: #1f2937;
  transition: all 0.3s ease;
}

.client-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

/* About Section */
.about {
  padding: 6rem 0;
  background: linear-gradient(135deg, #0f172a, #1e293b);
  color: white;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-content h2 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 2rem;
  color: #ff6b35;
}

.about-content h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-top: 2rem;
  margin-bottom: 1rem;
  color: #ff6b35;
}

.about-content p {
  font-size: 1.1rem;
  line-height: 1.8;
  margin-bottom: 1.5rem;
  color: #cbd5e0;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 2rem;
}

.about-image img {
  width: 100%;
  border-radius: 20px;
  box-shadow: 0 20px 60px rgba(255, 107, 53, 0.2);
}

/* Contact Section */
.contact {
  padding: 6rem 0;
  background: #f8fafc;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  margin-top: 3rem;
}

.contact-info {
  background: white;
  padding: 3rem;
  border-radius: 20px;
  box-shadow: 0 15px 50px rgba(0, 0, 0, 0.05);
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 2rem;
  padding: 1rem;
  background: #f8fafc;
  border-radius: 10px;
  transition: all 0.3s ease;
}

.contact-item:hover {
  background: #f1f5f9;
  transform: translateX(10px);
}

.contact-icon {
  font-size: 1.5rem;
  color: #ff6b35;
  width: 50px;
  height: 50px;
  background: rgba(255, 107, 53, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-form {
  background: white;
  padding: 3rem;
  border-radius: 20px;
  box-shadow: 0 15px 50px rgba(0, 0, 0, 0.05);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: #374151;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 1rem;
  border: 2px solid #e5e7eb;
  border-radius: 10px;
  font-size: 1rem;
  transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: #ff6b35;
  box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
}

/* Footer */
.footer {
  background: linear-gradient(135deg, #0f172a, #1e293b);
  color: white;
  padding: 4rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  margin-bottom: 2rem;
}

.footer-section h3 {
  color: #ff6b35;
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

.footer-section p,
.footer-section li {
  color: #cbd5e0;
  margin-bottom: 0.5rem;
  line-height: 1.6;
}

.footer-section ul {
  list-style: none;
}

.footer-section ul li {
  padding: 0.3rem 0;
  transition: color 0.3s ease;
  cursor: pointer;
}

.footer-section ul li:hover {
  color: #ff6b35;
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid #334155;
  color: #94a3b8;
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Mobile Responsive */
@media (max-width: 768px) {
  /* HIDE HEADER TOP ON MOBILE */
  .header-top {
    display: none;
  }

  /* Adjust navbar for mobile */
  .navbar {
    top: 0;
    padding: 0.8rem 0;
  }

  .hamburger {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: 68px;
    right: -100%;
    width: 280px;
    height: calc(100vh - 68px);
    background: rgba(15, 23, 42, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 2rem 0;
    transition: right 0.3s ease;
    overflow-y: auto;
  }

  .nav-menu.active {
    right: 0;
  }

  .nav-menu li {
    width: 100%;
    margin: 0.5rem 0;
  }

  .nav-link {
    display: block;
    padding: 1rem 2rem;
    width: 100%;
    border-radius: 0;
  }

  .dropdown-menu {
    position: static;
    display: none;
    background: rgba(255, 107, 53, 0.1);
    box-shadow: none;
    border-radius: 0;
    padding: 0;
    margin-left: 2rem;
  }

  .dropdown.active .dropdown-menu {
    display: block;
  }

  .dropdown > .nav-link::after {
    content: ' ▾';
    float: right;
  }

  /* Adjust hero for mobile without header-top */
  .hero {
    margin-top: 68px; /* Only navbar height */
    min-height: calc(100vh - 68px);
    padding: 2rem 0;
  }

  .hero-title {
    font-size: 2.5rem;
  }

  .hero-subtitle {
    font-size: 1.1rem;
  }

  .section-title {
    font-size: 2rem;
  }

  .hero-stats {
    justify-content: center;
    gap: 1.5rem;
  }

  .about-stat {
    min-width: 120px;
  }

  .coupler-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .hero-buttons {
    justify-content: center;
  }

  .benefits-grid {
    grid-template-columns: 1fr;
  }

  .contact-grid,
  .about-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .about-stats {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .carousel-nav {
    display: none;
  }

  .main-heading {
    font-size: 1.1rem;
  }

  .sub-heading {
    font-size: 0.7rem;
  }

  .client-grid {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  }
}

@media (max-width: 480px) {
  .sub-heading {
    display: none;
  }

  .logo-icon {
    width: 35px;
    height: 35px;
    font-size: 1.2rem;
  }

  .hero-title {
    font-size: 2rem;
  }

  .section-title {
    font-size: 1.8rem;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    max-width: 280px;
    justify-content: center;
  }
}/* Product Page */
.product-page {
    padding: 0;
    background: #f8f9fa;
}

.product-hero {
    background: white;
    padding: 40px;
    margin-top:90px;
}

.product-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 400px 1fr;
    gap: 40px;
    align-items: start;
}

/* Product Image Section */
.product-image-section {
    background: white;
    border-radius: 8px;
    border: 1px solid #e5e7eb;
    overflow: hidden;
}

.product-main-image {
    background: white;
    padding: 40px;
    text-align: center;
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-placeholder {
    font-size: 100px;
    color: #6b7280;
    opacity: 0.7;
}

/* Product Information */
.product-info-section {
    background: white;
    border-radius: 8px;
    border: 1px solid #e5e7eb;
    padding: 30px;
}

.product-category-badge {
    background: #ff5722;
    color: white;
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    display: inline-block;
    margin-bottom: 15px;
}

.product-title {
    font-size: 24px;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 20px;
    line-height: 1.3;
}

.product-description {
    font-size: 14px;
    color: #6b7280;
    margin-bottom: 25px;
    line-height: 1.6;
}

/* Product Features */
.product-features {
    margin-bottom: 30px;
}

.features-title {
    font-size: 16px;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 15px;
    border-bottom: 1px solid #e5e7eb;
    padding-bottom: 8px;
}

.features-grid {
    display: block;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    padding: 8px 0;
    border-bottom: 1px solid #f3f4f6;
    font-size: 13px;
}

.feature-item:last-child {
    border-bottom: none;
}

.feature-icon {
    font-size: 14px;
    margin-top: 2px;
    color: #ff5722;
    min-width: 16px;
}

.feature-text {
    font-weight: 400;
    color: #4b5563;
    line-height: 1.4;
}

/* Product Actions */
.product-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    border-top: 1px solid #e5e7eb;
    padding-top: 20px;
}

.btn {
    padding: 10px 20px;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 500;
    font-size: 13px;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: #ff5722;
    color: white;
    border: 1px solid #ff5722;
}

.btn-primary:hover {
    background: #e64a19;
    border-color: #e64a19;
}

.btn-secondary {
    background: white;
    color: #6b7280;
    border: 1px solid #d1d5db;
}

.btn-secondary:hover {
    background: #f9fafb;
    border-color: #9ca3af;
    color: #374151;
}

/* Related Products Section */
.related-products {
    background: #f8f9fa;
    padding: 40px 0;
}

.related-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.related-title {
    font-size: 18px;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 25px;
    text-align: left;
    border-bottom: 1px solid #e5e7eb;
    padding-bottom: 10px;
}

/* Carousel */
.carousel-container {
    position: relative;
    overflow: hidden;
}

.carousel-track {
    display: flex;
    gap: 15px;
    transition: transform 0.4s ease;
    padding: 10px 0;
}

.product-card {
    min-width: 250px;
    background: white;
    border-radius: 4px;
    border: 1px solid #e5e7eb;
    cursor: pointer;
    transition: all 0.3s ease;
    overflow: hidden;
}

.product-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    border-color: #ff5722;
}

.card-image {
    font-size: 40px;
    text-align: center;
    padding: 30px 20px;
    background: #f8f9fa;
    border-bottom: 1px solid #e5e7eb;
    color: #6b7280;
}

.card-title {
    font-size: 14px;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 8px;
    padding: 0 15px;
    padding-top: 15px;
}

.card-description {
    font-size: 12px;
    color: #6b7280;
    line-height: 1.4;
    padding: 0 15px 15px;
}

/* Carousel Controls */
.carousel-controls {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 20px;
}

.carousel-btn {
    background: white;
    border: 1px solid #d1d5db;
    width: 36px;
    height: 36px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    color: #6b7280;
    cursor: pointer;
    transition: all 0.3s ease;
}

.carousel-btn:hover:not(:disabled) {
    background: #ff5722;
    color: white;
    border-color: #ff5722;
}

.carousel-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

/* Responsive for Product Page */
@media (max-width: 1024px) {
    .breadcrumb-container {
        padding: 0 15px;
    }
    
    .product-container {
        grid-template-columns: 1fr;
        gap: 25px;
        padding: 0 15px;
    }
    
    .product-image-section {
        order: -1;
    }
}

@media (max-width: 768px) {
    .breadcrumb {
        padding: 15px 0;
    }
    
    .breadcrumb-container {
        padding: 0 15px;
    }
    
    .breadcrumb-nav {
        font-size: 13px;
        gap: 8px;
    }
    
    .product-page {
        padding: 0;
    }
    
    .product-hero {
        padding: 20px 0;
    }
    
    .product-container {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 0 15px;
    }
    
    .product-main-image {
        padding: 30px 20px;
        min-height: 250px;
    }
    
    .image-placeholder {
        font-size: 60px;
    }
    
    .product-info-section {
        padding: 25px;
    }
    
    .product-title {
        font-size: 24px;
        margin-bottom: 15px;
    }
    
    .product-description {
        font-size: 15px;
        margin-bottom: 25px;
    }
    
    .features-title {
        font-size: 16px;
        margin-bottom: 15px;
    }
    
    .feature-item {
        padding: 10px 0;
        font-size: 14px;
    }
    
    .feature-text {
        line-height: 1.5;
    }
    
    .product-actions {
        flex-direction: column;
        gap: 12px;
        padding-top: 20px;
    }
    
    .btn {
        justify-content: center;
        padding: 12px 20px;
        font-size: 14px;
    }
    
    .related-products {
        padding: 40px 0;
    }
    
    .related-container {
        padding: 0 15px;
    }
    
    .related-title {
        font-size: 20px;
        margin-bottom: 25px;
    }
    
    .carousel-track {
        gap: 12px;
    }
    
    .product-card {
        min-width: 240px;
    }
    
    .card-image {
        padding: 25px 20px;
        font-size: 36px;
    }
    
    .card-title {
        font-size: 15px;
        padding-top: 15px;
    }
    
    .card-description {
        font-size: 13px;
        padding-bottom: 15px;
    }
}

@media (max-width: 480px) {
    .breadcrumb {
        padding: 12px 0;
    }
    
    .breadcrumb-container {
        padding: 0 10px;
    }
    
    .breadcrumb-nav {
        font-size: 12px;
        gap: 6px;
        flex-wrap: wrap;
    }
    
    .product-hero {
        padding: 15px 0;
    }
    
    .product-container {
        grid-template-columns: 1fr;
        padding: 0 10px;
        gap: 15px;
    }
    
    .product-main-image {
        padding: 20px 15px;
        min-height: 180px;
    }
    
    .image-placeholder {
        font-size: 50px;
    }
    
    .product-info-section {
        padding: 20px;
    }
    
    .product-category-badge {
        font-size: 10px;
        padding: 4px 10px;
    }
    
    .product-title {
        font-size: 20px;
        margin-bottom: 15px;
    }
    
    .product-description {
        font-size: 14px;
        margin-bottom: 20px;
    }
    
    .features-title {
        font-size: 15px;
        margin-bottom: 12px;
    }
    
    .feature-item {
        padding: 8px 0;
        font-size: 13px;
    }
    
    .feature-icon {
        font-size: 12px;
        min-width: 14px;
    }
    
    .product-actions {
        padding-top: 15px;
        gap: 10px;
    }
    
    .btn {
        padding: 10px 16px;
        font-size: 13px;
    }
    
    .related-products {
        padding: 30px 0;
    }
    
    .related-container {
        padding: 0 10px;
    }
    
    .related-title {
        font-size: 18px;
        margin-bottom: 20px;
    }
    
    .carousel-track {
        gap: 10px;
        padding: 8px 0;
    }
    
    .product-card {
        min-width: 200px;
    }
    
    .card-image {
        font-size: 28px;
        padding: 15px;
    }
    
    .card-title {
        font-size: 13px;
        padding: 0 12px;
        padding-top: 12px;
        margin-bottom: 8px;
    }
    
    .card-description {
        font-size: 12px;
        padding: 0 12px 12px;
    }
    
    .carousel-controls {
        margin-top: 15px;
    }
    
    .carousel-btn {
        width: 32px;
        height: 32px;
        font-size: 14px;
    }
}

@media (max-width: 360px) {
    .breadcrumb-nav {
        font-size: 11px;
    }
    
    .product-container {
        padding: 0 8px;
        gap: 12px;
    }
    
    .product-main-image {
        padding: 15px 10px;
        min-height: 150px;
    }
    
    .image-placeholder {
        font-size: 40px;
    }
    
    .product-info-section {
        padding: 15px;
    }
    
    .product-title {
        font-size: 18px;
    }
    
    .product-description {
        font-size: 13px;
    }
    
    .feature-item {
        font-size: 12px;
    }
    
    .related-container {
        padding: 0 8px;
    }
    
    .product-card {
        min-width: 180px;
    }
    
    .card-image {
        font-size: 24px;
        padding: 12px;
    }
    
    .card-title {
        font-size: 12px;
        padding: 0 10px;
        padding-top: 10px;
    }
    
    .card-description {
        font-size: 11px;
        padding: 0 10px 10px;
    }
}