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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
  background: #0a0a0a;
  color: #fff;
  line-height: 1.6;
}

/* Sticky Navigation */
.sticky-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(10, 10, 10, 0.98);
  backdrop-filter: blur(10px);
  border-bottom: 2px solid #ff6600;
  z-index: 1000;
  padding: 12px 20px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.5);
}

.nav-content {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: nowrap;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.nav-logo {
  background: rgba(255,255,255,0.95);
  padding: 5px 12px;
  border-radius: 6px;
  font-weight: 900;
  font-size: 18px;
  letter-spacing: 2px;
  color: #ff6600;
  border: 2px solid #ff6600;
  text-decoration: none;
  white-space: nowrap;
}

.nav-tagline {
  font-size: 11px;
  color: #ffa500;
  font-weight: 600;
  max-width: 280px;
  line-height: 1.2;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.nav-tagline strong {
  color: #ff6600;
  font-weight: 800;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: nowrap;
  flex-shrink: 1;
}

.nav-menu a {
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  font-size: 13px;
  padding: 6px 12px;
  border-radius: 20px;
  transition: all 0.3s;
  white-space: nowrap;
}

.nav-menu a:hover {
  background: rgba(255,102,0,0.2);
  color: #ff6600;
}

/* Mobile Menu Toggle Button */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-around;
  width: 30px;
  height: 30px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 1001;
  flex-shrink: 0;
}

.mobile-menu-toggle span {
  width: 100%;
  height: 3px;
  background: #ff6600;
  border-radius: 3px;
  transition: all 0.3s ease;
  transform-origin: center;
}

.mobile-menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(8px, 8px);
}

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

.mobile-menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

.nav-contact {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.nav-phone, .nav-email {
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  font-size: 12px;
  padding: 6px 12px;
  border-radius: 20px;
  transition: all 0.3s;
  background: rgba(255,102,0,0.2);
  border: 1px solid #ff6600;
  white-space: nowrap;
}

.nav-phone:hover, .nav-email:hover {
  background: #ff6600;
  transform: translateY(-2px);
}

/* Hero Section */
.hero {
  position: relative;
  height: 100vh;
  background: linear-gradient(to bottom, rgba(0,0,0,0.4), rgba(0,0,0,0.8)),
              url('../images/108-WROKING.webp');
  background-size: cover;
  background-position: center;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 20px;
  margin-top: 60px;
}

.hero-badge {
  background: rgba(255,166,0,0.95);
  color: #000;
  padding: 10px 20px;
  border-radius: 25px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.5px;
  margin-bottom: 20px;
  text-transform: none;
  max-width: 90%;
  line-height: 1.4;
}

.hero h1 {
  font-size: clamp(2.5rem, 8vw, 5rem);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 20px;
  text-shadow: 3px 3px 15px rgba(0,0,0,0.9);
  letter-spacing: -2px;
}

.hero-subtitle {
  font-size: clamp(1rem, 3vw, 1.4rem);
  max-width: 800px;
  margin-bottom: 40px;
  color: #ffa500;
  font-weight: 600;
  text-shadow: 2px 2px 10px rgba(0,0,0,0.9);
}

.hero-cta {
  background: linear-gradient(135deg, #ff6600, #ff8533);
  color: #fff;
  padding: 18px 40px;
  border-radius: 50px;
  font-size: 1.2rem;
  font-weight: 700;
  text-decoration: none;
  display: inline-block;
  box-shadow: 0 8px 25px rgba(255,102,0,0.4);
  transition: transform 0.3s, box-shadow 0.3s;
}

.hero-cta:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 35px rgba(255,102,0,0.6);
}

.scroll-indicator {
  position: absolute;
  bottom: 30px;
  font-size: 2rem;
  animation: bounce 2s infinite;
  color: #ffa500;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
  40% { transform: translateY(-10px); }
  60% { transform: translateY(-5px); }
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 80px 20px;
}

/* Problem-Solution Section */
.problem-solution-section {
  background: linear-gradient(135deg, #1a1a1a, #2d2d2d);
  padding: 80px 20px;
}

.ps-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}

.ps-problem, .ps-solution {
  background: #2a2a2a;
  border-radius: 16px;
  padding: 40px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.4);
}

.ps-problem {
  border-left: 5px solid #dc2626;
}

.ps-solution {
  border-left: 5px solid #16a34a;
}

.ps-tag {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.ps-problem .ps-tag {
  background: rgba(220, 38, 38, 0.2);
  color: #ff6b6b;
}

.ps-solution .ps-tag {
  background: rgba(22, 163, 74, 0.2);
  color: #4ade80;
}

.ps-title {
  font-size: 2rem;
  font-weight: 900;
  margin-bottom: 25px;
  line-height: 1.2;
}

.ps-problem .ps-title {
  color: #ff6b6b;
}

.ps-solution .ps-title {
  color: #4ade80;
}

.ps-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 20px;
  padding-left: 10px;
}

.ps-item:last-child {
  margin-bottom: 0;
}

.ps-icon {
  font-size: 20px;
  font-weight: 900;
  flex-shrink: 0;
  margin-top: 2px;
}

.ps-problem .ps-icon {
  color: #ff6b6b;
}

.ps-solution .ps-icon {
  color: #4ade80;
}

.ps-text {
  font-size: 1.05rem;
  line-height: 1.6;
  color: #ccc;
}

.ps-solution-intro {
  font-size: 1.1rem;
  line-height: 1.7;
  color: #e0e0e0;
  margin-bottom: 25px;
}

/* Equipment Showcase Section */
.equipment-section {
  background: #0a0a0a;
  padding: 50px 20px;
}

.section-title {
  text-align: center;
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 900;
  margin-bottom: 20px;
  color: #ff6600;
  text-transform: uppercase;
  letter-spacing: -1px;
}

.section-subtitle {
  text-align: center;
  font-size: 1.2rem;
  color: #aaa;
  margin-bottom: 40px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.equipment-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto;
}

.equipment-card {
  background: #1a1a1a;
  border-radius: 16px;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  border: 2px solid #2a2a2a;
  cursor: pointer;
  position: relative;
  will-change: transform;
}

.equipment-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 15px 40px rgba(255,102,0,0.4);
  border-color: #ff6600;
}

.equipment-card:active {
  transform: translateY(-4px) scale(1.01);
  transition: transform 0.1s ease;
}

/* Mobile touch optimizations */
@media (hover: none) and (pointer: coarse) {
  .equipment-card:active {
    transform: translateY(-4px) scale(0.98);
  }
  
  .equipment-card:focus {
    transform: translateY(-6px) scale(1.01);
    box-shadow: 0 12px 30px rgba(255,102,0,0.3);
    border-color: #ff6600;
  }
}

.equipment-image {
  width: 100%;
  height: 280px;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease, opacity 0.3s ease;
  background: #2a2a2a;
  background-image: linear-gradient(45deg, #1a1a1a 25%, transparent 25%), 
                    linear-gradient(-45deg, #1a1a1a 25%, transparent 25%), 
                    linear-gradient(45deg, transparent 75%, #1a1a1a 75%), 
                    linear-gradient(-45deg, transparent 75%, #1a1a1a 75%);
  background-size: 20px 20px;
  background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
}

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

.equipment-image[src=""],
.equipment-image:not([src]) {
  background: #2a2a2a;
  position: relative;
}

.equipment-image[src=""]:after,
.equipment-image:not([src]):after {
  content: "Image Loading...";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: #666;
  font-size: 0.9rem;
}

.equipment-content {
  padding: 30px;
}

.equipment-badge {
  display: inline-block;
  background: linear-gradient(135deg, #ff6600, #ff8533);
  color: #fff;
  padding: 5px 12px;
  border-radius: 15px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.5px;
  margin-bottom: 15px;
  text-transform: uppercase;
  transition: all 0.3s ease;
  cursor: pointer;
}

.equipment-badge:hover {
  background: linear-gradient(135deg, #ff8533, #ff6600);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(255,102,0,0.4);
}

.equipment-card h3 {
  font-size: 1.8rem;
  margin-bottom: 15px;
  color: #fff;
  font-weight: 900;
}

.equipment-card p {
  color: #ccc;
  line-height: 1.7;
  margin-bottom: 20px;
  font-size: 1rem;
}

.equipment-specs {
  background: rgba(255,102,0,0.1);
  border-left: 3px solid #ff6600;
  padding: 15px;
  border-radius: 8px;
  margin-bottom: 20px;
}

.equipment-specs ul {
  list-style: none;
  padding: 0;
}

.equipment-specs li {
  padding: 5px 0;
  color: #e0e0e0;
  font-size: 0.95rem;
}

.equipment-specs li:before {
  content: "• ";
  color: #ff6600;
  font-weight: bold;
  margin-right: 8px;
}

.equipment-price {
  font-size: 1.4rem;
  font-weight: 900;
  color: #ffa500;
  margin-bottom: 15px;
}

.equipment-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.equipment-cta {
  display: inline-block;
  background: linear-gradient(135deg, #ff6600, #ff8533);
  color: #fff;
  padding: 14px 30px;
  border-radius: 25px;
  text-decoration: none;
  font-weight: 700;
  text-align: center;
  transition: all 0.3s;
  font-size: 1rem;
}

.equipment-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(255,102,0,0.4);
}

.equipment-link {
  display: inline-block;
  background: transparent;
  color: #ff6600;
  padding: 12px 30px;
  border-radius: 25px;
  text-decoration: none;
  font-weight: 600;
  text-align: center;
  border: 2px solid #ff6600;
  transition: all 0.3s;
  font-size: 0.95rem;
}

.equipment-link:hover {
  background: rgba(255,102,0,0.15);
  transform: translateY(-2px);
}

/* Product Detail Page Styles */
.product-detail {
  padding: 100px 20px 80px;
  max-width: 1200px;
  margin: 0 auto;
}

.product-header {
  text-align: center;
  margin-bottom: 60px;
}

.product-header h1 {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 900;
  color: #ff6600;
  margin-bottom: 20px;
}

.product-header p {
  font-size: 1.3rem;
  color: #ccc;
  max-width: 800px;
  margin: 0 auto;
}

.product-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
  margin-bottom: 60px;
}

.product-gallery img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  border-radius: 12px;
  border: 2px solid #2a2a2a;
  transition: transform 0.3s;
}

.product-gallery img:hover {
  transform: scale(1.05);
  border-color: #ff6600;
}

.product-details {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-bottom: 60px;
}

.product-description {
  background: #1a1a1a;
  padding: 40px;
  border-radius: 16px;
  border-left: 5px solid #ff6600;
}

.product-description h2 {
  color: #ff6600;
  font-size: 2rem;
  margin-bottom: 20px;
  font-weight: 900;
}

.product-description p {
  color: #ccc;
  line-height: 1.8;
  margin-bottom: 20px;
  font-size: 1.05rem;
}

.product-specifications {
  background: #1a1a1a;
  padding: 40px;
  border-radius: 16px;
  border-left: 5px solid #ffa500;
}

.product-specifications h2 {
  color: #ffa500;
  font-size: 2rem;
  margin-bottom: 30px;
  font-weight: 900;
}

.spec-group {
  margin-bottom: 30px;
}

.spec-group h3 {
  color: #ff6600;
  font-size: 1.3rem;
  margin-bottom: 15px;
  font-weight: 800;
}

.spec-list {
  list-style: none;
  padding: 0;
}

.spec-list li {
  padding: 10px 0;
  color: #e0e0e0;
  border-bottom: 1px solid #2a2a2a;
  font-size: 1rem;
}

.spec-list li:last-child {
  border-bottom: none;
}

.spec-list li strong {
  color: #ffa500;
  margin-right: 10px;
}

.product-pricing {
  background: linear-gradient(135deg, #1a1a1a, #2d2d2d);
  padding: 40px;
  border-radius: 16px;
  text-align: center;
  margin-bottom: 60px;
  border: 2px solid #ff6600;
}

.product-pricing h2 {
  color: #ff6600;
  font-size: 2rem;
  margin-bottom: 20px;
  font-weight: 900;
}

.price-main {
  font-size: 2.5rem;
  font-weight: 900;
  color: #ffa500;
  margin-bottom: 20px;
}

.price-note {
  color: #aaa;
  font-size: 0.95rem;
  margin-bottom: 30px;
}

/* Features Section */
.features-section {
  background: linear-gradient(135deg, #1a1a1a, #2d2d2d);
  padding: 50px 20px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 25px;
  max-width: 1200px;
  margin: 0 auto;
}

.feature-card {
  background: #2a2a2a;
  border-radius: 12px;
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.3s, box-shadow 0.3s;
  border: 2px solid #333;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 35px rgba(255,102,0,0.4);
  border-color: #ff6600;
}

.feature-image {
  width: 100%;
  height: 220px;
  object-fit: cover;
  display: block;
}

.feature-content {
  padding: 25px;
}

.feature-card h3 {
  font-size: 1.4rem;
  margin-bottom: 12px;
  color: #ff6600;
  font-weight: 800;
}

.feature-card p {
  color: #ccc;
  line-height: 1.6;
  margin-bottom: 15px;
  font-size: 0.98rem;
}

.feature-expand {
  display: none;
  margin-top: 20px;
  padding-top: 20px;
  border-top: 2px solid #444;
}

.feature-expand.active {
  display: block;
  animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.feature-expand ul {
  list-style: none;
  padding: 0;
}

.feature-expand li {
  padding: 10px 0;
  color: #aaa;
  border-bottom: 1px solid #2a2a2a;
  font-size: 0.95rem;
}

.feature-expand li:before {
  content: "✓ ";
  color: #ff6600;
  font-weight: bold;
  margin-right: 10px;
}

.expand-btn {
  background: linear-gradient(135deg, #ff6600, #ff8533);
  color: #fff;
  border: none;
  padding: 10px 25px;
  border-radius: 25px;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.3s;
  font-size: 0.9rem;
}

.expand-btn:hover {
  background: linear-gradient(135deg, #ff8533, #ffa500);
}

/* Advantages Section */
.advantages-section {
  background: #0a0a0a;
  padding: 50px 20px;
}

.advantages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  max-width: 1200px;
  margin: 0 auto;
}

.advantage-card {
  background: linear-gradient(135deg, #ff6600, #ff8533);
  padding: 30px;
  border-radius: 12px;
  text-align: center;
  box-shadow: 0 6px 20px rgba(255,102,0,0.3);
  transition: transform 0.3s;
}

.advantage-card:hover {
  transform: scale(1.03);
}

.advantage-card h3 {
  font-size: 1.2rem;
  margin-bottom: 10px;
  font-weight: 800;
}

.advantage-card p {
  font-size: 0.95rem;
  opacity: 0.95;
  line-height: 1.5;
}

/* Calculator Styles */
#productionRate, #pricePerCubic {
  transition: all 0.3s ease;
}

#productionRate:focus, #pricePerCubic:focus {
  outline: none;
  border-color: #ffa500;
  box-shadow: 0 0 0 3px rgba(255,165,0,0.2);
  transform: scale(1.02);
}

.advantage-card {
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.advantage-card:active {
  transform: scale(0.98);
}

/* CTA Section */
.final-cta {
  background: linear-gradient(135deg, #1a1a1a, #2d2d2d);
  padding: 100px 20px;
  text-align: center;
}

.final-cta h2 {
  font-size: clamp(2.5rem, 6vw, 4rem);
  margin-bottom: 30px;
  font-weight: 900;
  color: #fff;
}

.final-cta p {
  font-size: 1.3rem;
  color: #ccc;
  margin-bottom: 40px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.human-touch {
  background: rgba(255,102,0,0.1);
  border: 2px solid #ff6600;
  border-radius: 16px;
  padding: 30px;
  max-width: 600px;
  margin: 0 auto 40px;
}

.human-touch h3 {
  color: #ffa500;
  font-size: 1.5rem;
  margin-bottom: 15px;
  font-weight: 800;
}

.human-touch p {
  font-size: 1.1rem;
  color: #e0e0e0;
  margin-bottom: 0;
}

.cta-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 50px;
}

.cta-primary, .cta-secondary {
  padding: 20px 50px;
  border-radius: 50px;
  font-size: 1.2rem;
  font-weight: 700;
  text-decoration: none;
  display: inline-block;
  transition: transform 0.3s, box-shadow 0.3s;
}

.cta-primary {
  background: linear-gradient(135deg, #ff6600, #ff8533);
  color: #fff;
  box-shadow: 0 8px 25px rgba(255,102,0,0.4);
}

.cta-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 35px rgba(255,102,0,0.6);
}

.cta-secondary {
  background: transparent;
  color: #ff6600;
  border: 3px solid #ff6600;
}

.cta-secondary:hover {
  background: rgba(255,102,0,0.1);
  transform: translateY(-3px);
}

.qr-container {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 30px;
  flex-wrap: wrap;
}

.qr-box {
  background: #fff;
  padding: 20px;
  border-radius: 16px;
  box-shadow: 0 8px 30px rgba(255,102,0,0.3);
}

.qr-box img {
  width: 180px;
  height: 180px;
  display: block;
}

.qr-text {
  color: #aaa;
  font-size: 1.1rem;
  max-width: 300px;
}

/* Footer */
.footer {
  background: #000;
  padding: 60px 20px 30px;
  border-top: 3px solid #ff6600;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
  margin-bottom: 40px;
}

.footer h3 {
  color: #ff6600;
  font-size: 1.5rem;
  margin-bottom: 20px;
  font-weight: 900;
}

.footer p, .footer a {
  color: #aaa;
  text-decoration: none;
  display: block;
  margin-bottom: 10px;
  transition: color 0.3s;
}

.footer a:hover {
  color: #ff6600;
}

.footer-tagline {
  color: #ffa500;
  font-style: italic;
  font-weight: 600;
}

.footer-bottom {
  text-align: center;
  padding-top: 30px;
  border-top: 1px solid #333;
  color: #666;
  font-size: 0.9rem;
}

/* Page Content Styles */
.page-content {
  padding: 100px 20px 80px;
  max-width: 1200px;
  margin: 0 auto;
}

.page-content h1 {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 900;
  color: #ff6600;
  margin-bottom: 30px;
  text-align: center;
}

.page-content h2 {
  font-size: 2rem;
  font-weight: 900;
  color: #ffa500;
  margin: 40px 0 20px;
}

.page-content p {
  color: #ccc;
  line-height: 1.8;
  margin-bottom: 20px;
  font-size: 1.05rem;
}

.page-content ul, .page-content ol {
  color: #ccc;
  line-height: 1.8;
  margin-bottom: 20px;
  padding-left: 30px;
}

.page-content li {
  margin-bottom: 10px;
}

/* Enhanced Mobile Card Animations */
@media (max-width: 968px) {
  .equipment-card {
    transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1), 
                box-shadow 0.2s cubic-bezier(0.4, 0, 0.2, 1),
                border-color 0.2s ease;
  }
  
  .equipment-card:active {
    transform: scale(0.97);
    box-shadow: 0 5px 15px rgba(255,102,0,0.2);
  }
  
  .equipment-card:hover {
    transform: translateY(-4px) scale(1.01);
  }
  
  .equipment-image {
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  }
  
  .equipment-card:active .equipment-image {
    transform: scale(1.02);
  }
}

/* YouTube Video Embeds */
iframe[src*="youtube.com"],
iframe[src*="youtu.be"] {
  border: none;
  border-radius: 12px;
}

/* Video container error handling */
.video-container {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  border-radius: 12px;
  background: #1a1a1a;
}

.video-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.video-error {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  color: #ff6600;
  padding: 20px;
  background: rgba(255, 102, 0, 0.1);
  border: 2px solid #ff6600;
  border-radius: 8px;
  max-width: 90%;
}

.video-error a {
  color: #ffa500;
  text-decoration: underline;
  display: block;
  margin-top: 10px;
}

/* Debug styles for video containers */
.video-container[data-debug="true"] {
  border: 2px dashed #ff6600;
  background: rgba(255, 102, 0, 0.05);
}

.video-container[data-debug="true"]::before {
  content: "DEBUG MODE";
  position: absolute;
  top: 5px;
  left: 5px;
  background: #ff6600;
  color: #fff;
  padding: 2px 8px;
  font-size: 10px;
  font-weight: bold;
  z-index: 10;
  border-radius: 4px;
}

/* Image debugging styles */
img[data-debug="true"] {
  border: 2px dashed #ff6600;
  outline: 2px solid rgba(255, 102, 0, 0.3);
  position: relative;
}

img[data-debug="true"]::after {
  content: attr(src);
  position: absolute;
  bottom: -20px;
  left: 0;
  background: rgba(255, 102, 0, 0.9);
  color: #fff;
  padding: 2px 6px;
  font-size: 10px;
  white-space: nowrap;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  z-index: 1000;
  pointer-events: none;
}

/* Image error states */
img[data-image-error="true"] {
  border: 2px solid #ff0000;
  background: repeating-linear-gradient(
    45deg,
    rgba(255, 0, 0, 0.1),
    rgba(255, 0, 0, 0.1) 10px,
    rgba(255, 0, 0, 0.05) 10px,
    rgba(255, 0, 0, 0.05) 20px
  );
}

img[data-image-loading="true"] {
  border: 2px dashed #ffa500;
  opacity: 0.7;
}

img[data-image-loaded="true"] {
  border: 2px solid #00ff00;
}

/* Debug info overlay for images */
.image-debug-info {
  position: absolute;
  top: 0;
  left: 0;
  background: rgba(0, 0, 0, 0.8);
  color: #fff;
  padding: 5px 8px;
  font-size: 11px;
  font-family: monospace;
  z-index: 1000;
  pointer-events: none;
  border-bottom-right-radius: 4px;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
}

.image-debug-info.error {
  background: rgba(255, 0, 0, 0.8);
}

.image-debug-info.loading {
  background: rgba(255, 165, 0, 0.8);
}

.image-debug-info.loaded {
  background: rgba(0, 255, 0, 0.8);
}

/* Medium Screen - Hide tagline to save space */
@media (max-width: 1200px) {
  .nav-tagline {
    display: none;
  }
  
  .nav-content {
    gap: 8px;
  }
  
  .nav-menu {
    gap: 6px;
  }
  
  .nav-menu a {
    font-size: 12px;
    padding: 5px 10px;
  }
  
  .nav-phone, .nav-email {
    font-size: 11px;
    padding: 5px 10px;
  }
}

/* Mobile Responsive */
@media (max-width: 968px) {
  .nav-content {
    justify-content: center;
    text-align: center;
    flex-wrap: wrap;
  }
  
  .nav-tagline {
    display: none;
    max-width: 100%;
  }
  
  .ps-container {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  
  .equipment-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .advantages-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }
  
  .product-details {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .sticky-nav {
    padding: 8px 12px;
  }
  
  .nav-content {
    gap: 6px;
    position: relative;
  }
  
  .nav-logo {
    font-size: 16px;
    padding: 4px 10px;
    letter-spacing: 1px;
  }
  
  .nav-tagline {
    display: none;
  }
  
  /* Show mobile menu toggle */
  .mobile-menu-toggle {
    display: flex;
    order: 2;
  }
  
  /* Hide nav-menu by default on mobile */
  .nav-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(10, 10, 10, 0.98);
    backdrop-filter: blur(10px);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 10px 0;
    border-top: 2px solid #ff6600;
    box-shadow: 0 4px 20px rgba(0,0,0,0.5);
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height 0.3s ease, opacity 0.3s ease, padding 0.3s ease;
    order: 3;
    width: 100%;
    margin-top: 10px;
  }
  
  .nav-menu.active {
    max-height: 500px;
    opacity: 1;
    padding: 10px 0;
  }
  
  .nav-menu a {
    display: block;
    padding: 12px 20px;
    font-size: 14px;
    text-align: left;
    border-radius: 0;
    border-bottom: 1px solid rgba(255,102,0,0.1);
  }
  
  .nav-menu a:last-child {
    border-bottom: none;
  }
  
  .nav-menu a:hover {
    background: rgba(255,102,0,0.2);
    color: #ff6600;
  }
  
  .nav-contact {
    order: 1;
    gap: 6px;
  }
  
  .nav-phone, .nav-email {
    font-size: 10px;
    padding: 4px 8px;
  }
  
  .container {
    padding: 60px 15px;
  }
  
  .problem-solution-section, .equipment-section, .features-section, .advantages-section {
    padding: 60px 15px;
  }
  
  .ps-problem, .ps-solution {
    padding: 30px 25px;
  }
  
  .ps-title {
    font-size: 1.6rem;
  }
  
  .equipment-grid {
    grid-template-columns: 1fr;
  }
  
  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .cta-primary, .cta-secondary {
    width: 100%;
    max-width: 300px;
  }
  
  .advantages-grid {
    grid-template-columns: 1fr;
  }
  
  .product-gallery {
    grid-template-columns: 1fr;
  }
}