/* استایل‌های اختصاصی صفحه هواساز هایژنیک (HVAC) */

/* تم رنگی آبی/فیروزه‌ای برای القای حس پاکیزگی و سرما */
:root {
    --color-hvac-primary: #0ea5e9;    /* آبی روشن */
    --color-hvac-secondary: #0284c7;  /* آبی تیره */
    --color-hvac-accent: #38bdf8;     /* آبی آسمانی */
  }
  
  /* هیرو سکشن محصول */
  .product-hero-section {
      padding: 140px 0 80px;
      /* گرادینت آبی بسیار ملایم */
      background: linear-gradient(135deg, var(--color-background) 0%, rgba(14, 165, 233, 0.05) 100%);
      position: relative;
      overflow: hidden;
    }
    
    .product-hero-section::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 2px;
      background: linear-gradient(90deg, var(--color-primary), var(--color-hvac-primary));
    }
    
    .product-hero-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 60px;
      align-items: center;
    }
    
    .product-kicker {
      font-size: 1rem;
      color: var(--color-hvac-secondary);
      font-weight: 800;
      letter-spacing: 2px;
      text-transform: uppercase;
      margin-bottom: 20px;
      display: block;
    }
    
    .product-title {
      font-size: 3.5rem;
      font-weight: 900;
      line-height: 1.1;
      margin-bottom: 25px;
      background: linear-gradient(135deg, var(--color-primary), var(--color-hvac-primary));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }
    
    .product-lead {
      font-size: 1.3rem;
      color: var(--color-text-secondary);
      margin-bottom: 40px;
      line-height: 1.6;
    }
    
    .hero-actions {
      display: flex;
      gap: 20px;
      align-items: center;
    }
    
    .cta-button {
      background: linear-gradient(135deg, var(--color-primary), var(--color-hvac-primary));
      color: white;
      border: none;
      padding: 18px 42px;
      border-radius: var(--border-radius);
      font-weight: 800;
      font-size: 1.1rem;
      cursor: pointer;
      transition: all var(--transition-slow);
      text-decoration: none;
      display: inline-flex;
      align-items: center;
      gap: 12px;
      box-shadow: var(--shadow-industrial);
      position: relative;
      overflow: hidden;
    }
    
    .cta-button:hover {
      transform: translateY(-3px) scale(1.05);
      box-shadow: var(--shadow-heavy);
    }
    
    .secondary-button {
      background: transparent;
      color: var(--color-hvac-secondary);
      border: 2px solid var(--color-hvac-secondary);
      padding: 16px 32px;
      border-radius: var(--border-radius);
      font-weight: 700;
      text-decoration: none;
      transition: all var(--transition-normal);
      display: inline-flex;
      align-items: center;
      gap: 8px;
      cursor: pointer;
    }
    
    .secondary-button:hover {
      background: var(--color-hvac-secondary);
      color: white;
      transform: translateY(-2px);
      box-shadow: var(--shadow-md);
    }
    
    .product-image-container {
      position: relative;
      border-radius: var(--border-radius-xl);
      overflow: hidden;
      box-shadow: var(--shadow-lift);
    }
    
    .product-main-image {
      width: 100%;
      height: 500px;
      object-fit: cover;
      transition: transform var(--transition-slow);
    }
    
    .product-image-container:hover .product-main-image {
      transform: scale(1.05);
    }
    
    .floating-badge {
      position: absolute;
      top: 30px;
      right: 30px;
      background: var(--color-surface);
      padding: 15px;
      border-radius: var(--border-radius-lg);
      box-shadow: var(--shadow-heavy);
      text-align: center;
      border: 2px solid var(--color-hvac-primary);
      z-index: 2;
    }
    
    .efficiency-badge .badge-value {
      display: block;
      font-size: 1.8rem;
      font-weight: 900;
      color: var(--color-hvac-primary);
      line-height: 1;
    }
    
    .efficiency-badge .badge-label {
      font-size: 0.8rem;
      color: var(--color-text-secondary);
      font-weight: 600;
    }
    
    /* سکشن معرفی محصول */
    .introduction-section {
      background: var(--color-surface);
      padding: 100px 0;
    }
    
    .intro-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 60px;
      align-items: center;
    }
    
    .intro-content h2 {
      font-size: 2.5rem;
      font-weight: 700;
      margin-bottom: 25px;
      color: var(--color-text-primary);
    }
    
    .intro-content p {
      font-size: 1.1rem;
      line-height: 1.7;
      color: var(--color-text-secondary);
      margin-bottom: 25px;
    }
    
    .features-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 25px;
      margin-top: 40px;
    }
    
    .feature-item {
      display: flex;
      align-items: flex-start;
      gap: 15px;
      padding: 20px;
      background: var(--color-background);
      border-radius: var(--border-radius);
      transition: all var(--transition-normal);
    }
    
    .feature-item:hover {
      transform: translateX(10px);
      box-shadow: var(--shadow-md);
    }
    
    [dir="rtl"] .feature-item:hover {
      transform: translateX(-10px);
    }
    
    .feature-item .material-icons-outlined {
      font-size: 2.5rem;
      color: var(--color-hvac-primary);
      flex-shrink: 0;
    }
    
    .feature-item h4 {
      font-size: 1.2rem;
      font-weight: 600;
      margin-bottom: 8px;
      color: var(--color-text-primary);
    }
    
    .feature-item p {
      margin: 0;
      font-size: 1rem;
      color: var(--color-text-secondary);
    }
    
    .intro-img {
      width: 100%;
      border-radius: var(--border-radius-xl);
      box-shadow: var(--shadow-industrial);
    }
    
    /* سکشن کاربردها */
    .applications-section {
      background: linear-gradient(135deg, var(--color-background) 0%, rgba(14, 165, 233, 0.05) 100%);
      padding: 100px 0;
    }
    
    .applications-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
      gap: 30px;
      margin-top: 60px;
    }
    
    .application-card {
      background: var(--color-surface);
      padding: 35px 25px;
      border-radius: var(--border-radius-lg);
      transition: all var(--transition-slow);
      border: 2px solid transparent;
      position: relative;
      overflow: hidden;
      height: 100%;
    }
    
    .application-card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 4px;
      background: var(--color-hvac-secondary);
      transform: scaleX(0);
      transition: transform var(--transition-slow);
    }
    
    .application-card:hover::before {
      transform: scaleX(1);
    }
    
    .application-card:hover {
      transform: translateY(-8px);
      box-shadow: var(--shadow-heavy);
      border-color: var(--color-hvac-secondary);
    }
    
    .app-icon {
      width: 70px;
      height: 70px;
      background: linear-gradient(135deg, var(--color-hvac-secondary), var(--color-hvac-primary));
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 20px;
      color: white;
      transition: all var(--transition-normal);
    }
    
    .application-card:hover .app-icon {
      transform: scale(1.1) rotate(5deg);
    }
    
    .app-icon .material-icons-outlined {
      font-size: 2rem;
    }
    
    .application-card h3 {
      font-size: 1.4rem;
      font-weight: 700;
      margin-bottom: 15px;
      color: var(--color-text-primary);
    }
    
    .application-card p {
      color: var(--color-text-secondary);
      line-height: 1.6;
      margin-bottom: 20px;
      font-size: 1rem;
    }
    
    .app-details {
      list-style: none;
      padding: 0;
      margin: 0;
    }
    
    .app-details li {
      padding: 8px 0;
      color: var(--color-text-secondary);
      position: relative;
      padding-left: 20px;
      border-bottom: 1px solid var(--color-border-light);
      font-size: 0.95rem;
    }
    
    .app-details li:last-child {
      border-bottom: none;
    }
    
    .app-details li::before {
      content: '✓';
      position: absolute;
      left: 0;
      color: var(--color-hvac-primary);
      font-weight: bold;
    }
    
    [dir="rtl"] .app-details li {
      padding-left: 0;
      padding-right: 20px;
    }
    
    [dir="rtl"] .app-details li::before {
      left: auto;
      right: 0;
    }
    
    /* سکشن کامپوننت‌ها */
    .components-section {
      background: var(--color-surface);
      padding: 100px 0;
    }
    
    .components-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 30px;
      margin-top: 60px;
    }
    
    .component-card {
      background: var(--color-background);
      padding: 35px 25px;
      border-radius: var(--border-radius-lg);
      border: 2px solid var(--color-border);
      transition: all var(--transition-normal);
      position: relative;
      overflow: hidden;
    }
    
    .component-card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 4px;
      background: var(--color-hvac-primary);
      transform: scaleX(0);
      transition: transform var(--transition-normal);
    }
    
    .component-card:hover::before {
      transform: scaleX(1);
    }
    
    .component-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-md);
      border-color: var(--color-hvac-primary);
    }
    
    .component-icon {
      width: 70px;
      height: 70px;
      background: linear-gradient(135deg, var(--color-hvac-secondary), var(--color-hvac-primary));
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 20px;
      color: white;
    }
    
    .component-icon .material-icons-outlined {
      font-size: 2rem;
    }
    
    .component-card h3 {
      font-size: 1.3rem;
      font-weight: 600;
      margin-bottom: 15px;
      color: var(--color-text-primary);
    }
    
    .component-card p {
      color: var(--color-text-secondary);
      line-height: 1.6;
      margin-bottom: 20px;
    }
    
    .component-specs {
      list-style: none;
      padding: 0;
      margin: 0;
      font-size: 0.9rem;
    }
    
    .component-specs li {
      padding: 5px 0;
      color: var(--color-text-secondary);
      border-bottom: 1px dashed var(--color-border-light);
    }
    
    .component-specs li:last-child {
      border-bottom: none;
    }
    
    .component-specs strong {
      color: var(--color-text-primary);
      font-weight: 600;
    }
    
    /* سکشن مزایا */
    .benefits-section {
      background: linear-gradient(135deg, var(--color-background) 0%, rgba(14, 165, 233, 0.05) 100%);
      padding: 100px 0;
    }
    
    .benefits-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 30px;
      margin-top: 60px;
    }
    
    .benefit-card {
      background: var(--color-surface);
      padding: 35px 25px;
      border-radius: var(--border-radius-lg);
      text-align: center;
      transition: all var(--transition-normal);
      border: 2px solid transparent;
    }
    
    .benefit-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-md);
      border-color: var(--color-hvac-primary);
    }
    
    .benefit-icon {
      width: 80px;
      height: 80px;
      background: linear-gradient(135deg, var(--color-hvac-secondary), var(--color-hvac-primary));
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 20px;
      color: white;
      transition: all var(--transition-normal);
    }
    
    .benefit-card:hover .benefit-icon {
      transform: scale(1.1);
    }
    
    .benefit-icon .material-icons-outlined {
      font-size: 2.2rem;
    }
    
    .benefit-card h4 {
      font-size: 1.3rem;
      font-weight: 600;
      margin-bottom: 15px;
      color: var(--color-text-primary);
    }
    
    .benefit-card p {
      color: var(--color-text-secondary);
      line-height: 1.6;
      margin: 0;
    }
    
    /* سکشن CTA */
    .product-cta-section {
      background: linear-gradient(135deg, var(--color-hvac-secondary) 0%, var(--color-hvac-primary) 100%);
      color: white;
      padding: 80px 0;
      text-align: center;
      position: relative;
      overflow: hidden;
    }
    
    .product-cta-section::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 100" fill="%23ffffff" opacity="0.05"><path d="M0 70l50 30 50-30 50 30 50-30 50 30 50-30 50 30 50-30 50 30 50-30 50 30 50-30 50 30 50-30v100H0z"/></svg>');
      background-size: cover;
    }
    
    .cta-content {
      position: relative;
      z-index: 1;
    }
    
    .cta-content h2 {
      font-size: 2.8rem;
      margin-bottom: 20px;
      color: white;
      -webkit-text-fill-color: white;
      background: none;
    }
    
    .cta-content p {
      font-size: 1.3rem;
      margin-bottom: 40px;
      opacity: 0.9;
    }
    
    .cta-actions {
      display: flex;
      gap: 20px;
      justify-content: center;
      align-items: center;
    }
    
    /* استایل‌های عمومی برای المان‌های fade-me */
    .fade-me {
      opacity: 0;
      transform: translateY(40px);
      transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    }
    
    .fade-in {
      opacity: 1;
      transform: translateY(0);
    }
    
    /* ریسپانسیو (کپی شده از فایل قبلی) */
    @media (max-width: 1200px) {
      .intro-grid {
          grid-template-columns: 1fr;
          gap: 40px;
      }
    }
    
    @media (max-width: 992px) {
      .product-hero-grid {
          grid-template-columns: 1fr;
          gap: 40px;
          text-align: center;
      }
      
      .product-title {
          font-size: 2.8rem;
      }
      
      .product-specs {
          justify-content: center;
      }
      
      .hero-actions {
          justify-content: center;
      }
      
      .applications-grid {
          grid-template-columns: repeat(2, 1fr);
      }
      
      .components-grid {
          grid-template-columns: repeat(2, 1fr);
      }
      
      .benefits-grid {
          grid-template-columns: repeat(2, 1fr);
      }
      
      .cta-actions {
          flex-direction: column;
          align-items: center;
      }
    }
    
    @media (max-width: 768px) {
      .applications-grid {
          grid-template-columns: 1fr;
      }
      
      .components-grid {
          grid-template-columns: 1fr;
      }
      
      .benefits-grid {
          grid-template-columns: 1fr;
      }
      
      .product-hero-section {
          padding: 120px 0 60px;
      }
      
      .product-title {
          font-size: 2.2rem;
      }
      
      .cta-content h2 {
          font-size: 2.2rem;
      }
      
      .intro-content h2 {
          font-size: 2rem;
      }
      
      .feature-item {
          padding: 15px;
      }
    }
    
    @media (max-width: 480px) {
      .product-title {
          font-size: 2rem;
      }
      
      .hero-actions {
          flex-direction: column;
          width: 100%;
      }
      
      .cta-button, .secondary-button {
          width: 100%;
          justify-content: center;
      }
      
      .applications-grid {
          grid-template-columns: 1fr;
      }
      
      .component-card {
          padding: 25px 20px;
      }
    }