:root {
      --primary: #0054a6;
      --primary-dark: #003f7d;
      --secondary: #28a9e0;
      --dark: #1f2a33;
      --muted: #6c757d;
      --light: #f4f9fd;
      --white: #ffffff;
    }

    * {
      scroll-behavior: smooth;
    }

    body {
      font-family: Arial, sans-serif;
      color: var(--dark);
      background: #fff;
      overflow-x: hidden;
    }

    .navbar {
      background: rgba(255,255,255,.95);
      backdrop-filter: blur(12px);
      box-shadow: 0 4px 20px rgba(0,0,0,.08);
    }

    /* .navbar-brand img {
      height: 100px;
    } */

    .nav-link {
      color: var(--primary);
      font-weight: 700;
      margin-left: 10px;
    }

    .nav-link:hover {
      color: var(--secondary);
    }

    .btn-main {
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      color: #fff;
      padding: 14px 34px;
      border-radius: 50px;
      font-weight: 800;
      border: 0;
      box-shadow: 0 12px 30px rgba(0,84,166,.25);
      transition: .3s;
    }

    .btn-main:hover {
      color: #fff;
      transform: translateY(-4px);
      box-shadow: 0 18px 35px rgba(0,84,166,.35);
    }

    .btn-outline-main {
      border: 2px solid #fff;
      color: #fff;
      padding: 13px 32px;
      border-radius: 50px;
      font-size: 35px;
      font-weight: 800;
    }

    .btn-outline-main:hover {
      background: #fff;
      color: var(--primary);
    }

    section {
      padding: 95px 0;
      position: relative;
    }

    .section-title {
      color: var(--primary);
      font-weight: 900;
      margin-bottom: 15px;
    }

    .section-subtitle {
      color: var(--muted);
      max-width: 720px;
      margin: auto;
    }

    .hero {
      min-height: 80vh;
      color: #fff;
      display: flex;
      align-items: center;
      background:
        linear-gradient(120deg, rgba(0,54,110,.9), rgba(40,169,224,.72)),
        url("../img/hero.webp");
      background-size: cover;
      background-position: center;
      overflow: hidden;
    }

    .hero::before {
      content: "";
      width: 560px;
      height: 560px;
      border: 3px solid rgba(255,255,255,.22);
      border-radius: 50%;
      position: absolute;
      right: -130px;
      top: 120px;
      animation: spin 18s linear infinite;
    }

    .hero::after {
      content: "";
      width: 260px;
      height: 260px;
      background: rgba(255,255,255,.12);
      border-radius: 50%;
      position: absolute;
      left: -80px;
      bottom: 80px;
      animation: float 6s ease-in-out infinite;
    }

    .hero-furnace {
      min-height: 80vh;
      color: #fff;
      display: flex;
      align-items: center;
      background:
        linear-gradient(120deg, rgba(0,54,110,.9), rgba(40,169,224,.72)),
        url("../img/hero-furnace.webp");
      background-size: cover;
      background-position: center;
      overflow: hidden;
    }

    .hero-ac {
      min-height: 80vh;
      color: #fff;
      display: flex;
      align-items: center;
      background:
        linear-gradient(120deg, rgba(0,54,110,.9), rgba(40,169,224,.72)),
        url("../img/hero-ac.webp");
      background-size: cover;
      background-position: center;
      overflow: hidden;
    }

     .hero-dryer {
      min-height: 80vh;
      color: #fff;
      display: flex;
      align-items: center;
      background:
        linear-gradient(120deg, rgba(0,54,110,.9), rgba(40,169,224,.72)),
        url("../img/hero-hero.webp");
      background-size: cover;
      background-position: center;
      overflow: hidden;
    }

    .hero-duct {
      min-height: 80vh;
      color: #fff;
      display: flex;
      align-items: center;
      background:
        linear-gradient(120deg, rgba(0,54,110,.9), rgba(40,169,224,.72)),
        url("../img/hero-duct.webp");
      background-size: cover;
      background-position: center;
      overflow: hidden;
    }

    .hero-locat {
      min-height: 80vh;
      color: #fff;
      display: flex;
      align-items: center;
      background:
        linear-gradient(120deg, rgba(0,54,110,.9), rgba(40,169,224,.72)),
        url("../img/hero-locat.webp");
      background-size: cover;
      background-position: center;
      overflow: hidden;
    }

    .hero-contact {
      min-height: 80vh;
      color: #fff;
      display: flex;
      align-items: center;
      background:
        linear-gradient(120deg, rgba(0,54,110,.9), rgba(40,169,224,.72)),
        url("../img/hero-contact.webp");
      background-size: cover;
      background-position: center;
      overflow: hidden;
    }


    .hero-logo {
      max-width: 260px;
      background: #fff;
      padding: 14px;
      border-radius: 25px;
      margin-bottom: 25px;
      box-shadow: 0 20px 60px rgba(0,0,0,.22);
    }

    .hero h1 {
      font-size: 3.4rem;
      font-weight: 800;
      line-height: 1.15;
    }

    .hero span {
      margin-top: 20px;
      font-size: 1.3rem;
      font-weight: 500;
      
    }

    .hero-card {
      background: rgba(255,255,255,.15);
      border: 1px solid rgba(255,255,255,.25);
      backdrop-filter: blur(14px);
      padding: 30px;
      border-radius: 26px;
    }

    @keyframes softPulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.02);
  }
}

.hero-card {
  animation: softPulse 4s ease-in-out infinite;
}

    .hero-card img {
      width: 100%;
      border-radius: 22px;
      height: 300px;
      object-fit: cover;
    }

.card-body span{
 color: var(--primary);
      font-weight: 600;
      font-size: 1.1rem;
      display: block;
      padding-bottom: 10px;
    }

    .stats-section {
      margin-top: -75px;
      z-index: 3;
      padding-top: 0;
    }

    .stat-box {
      background: #fff;
      padding: 35px 20px;
      border-radius: 24px;
      text-align: center;
      box-shadow: 0 18px 50px rgba(0,0,0,.12);
      height: 100%;
    }

    .stat-box span {
      color: var(--primary);
      font-weight: 900;
      font-size: 1.2rem;
      display: block;
    }

    .about-img-wrap {
      position: relative;
    }

    .about-img-wrap img {
      border-radius: 30px;
      box-shadow: 0 20px 55px rgba(0,0,0,.18);
    }

    .floating-badge {
      position: absolute;
      right: -20px;
      bottom: 35px;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      color: #fff;
      padding: 22px 28px;
      border-radius: 22px;
      font-weight: 800;
      box-shadow: 0 18px 40px rgba(0,84,166,.35);
      animation: float 4s ease-in-out infinite;
    }

    .light-section {
      background: var(--light);
    }

    .light-section a {
      color: #383838;
      text-decoration: none;
    }

    .light-section h2 {
      color: #0054a6;
      text-decoration: none;
    }

    .service-card {
      border: 0;
      border-radius: 28px;
      overflow: hidden;
      box-shadow: 0 12px 35px rgba(0,0,0,.10);
      height: 100%;
      transition: .35s;
    }

    .service-card:hover {
      transform: translateY(-12px);
    }

    .service-card img {
      height: 235px;
      object-fit: cover;
      transition: .4s;
    }

    .service-card:hover img {
      transform: scale(1.08);
    }

    .icon-circle {
      width: 72px;
      height: 72px;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      color: #fff;
      display: grid;
      place-items: center;
      border-radius: 50%;
      font-size: 30px;
      margin-bottom: 18px;
    }

    .feature-box {
      background: #fff;
      padding: 34px;
      border-radius: 25px;
      box-shadow: 0 10px 35px rgba(0,0,0,.08);
      height: 100%;
      transition: .3s;
    }

    .feature-box h2 {
      font-size: 25px;
    }

    .feature-box:hover {
      transform: translateY(-8px);
    }

    .blue-section {
      background:
        linear-gradient(135deg, rgba(0,84,166,.95), rgba(40,169,224,.88)),
        url("../img/back.webp");
      background-size: cover;
      background-attachment: fixed;
      color: #fff;

    }

    .fur {
      background:
        linear-gradient(135deg, rgba(0,84,166,.95), rgba(40,169,224,.88)),
        url("../img/back-furance.webp");
      background-size: cover;
      background-attachment: fixed;
      color: #fff;
    }

    .ac {
      background:
        linear-gradient(135deg, rgba(0,84,166,.95), rgba(40,169,224,.88)),
        url("../img/back-ac.webp");
      background-size: cover;
      background-attachment: fixed;
      color: #fff;
    }

     .duct {
      background:
        linear-gradient(135deg, rgba(0,84,166,.95), rgba(40,169,224,.88)),
        url("../img/back-duct.webp");
      background-size: cover;
      background-attachment: fixed;
      color: #fff;
    }

     .dryer {
      background:
        linear-gradient(135deg, rgba(0,84,166,.95), rgba(40,169,224,.88)),
        url("../img/back-dryer.webp");
      background-size: cover;
      background-attachment: fixed;
      color: #fff;
    }

    .blue-section h2{
      font-size: 60px;
      font-weight: 800;
      color: #fff;
    }

    .blue-section span{
      font-size: 40px;
      font-weight: 300;
      color: #fff;
    }


    .process-step {
      position: relative;
      padding: 35px;
      border-radius: 26px;
      background: #fff;
      box-shadow: 0 12px 35px rgba(0,0,0,.08);
      height: 100%;
    }

    .process-number {
      font-size: 4rem;
      line-height: 1;
      color: rgba(0,84,166,.12);
      font-weight: 900;
    }

    .split-section {
  background: linear-gradient(90deg, var(--primary) 0 45%, #fff 45% 100%);
  min-height: 300px; /* بدل height */
  display: flex;
  align-items: center;
}

.split-section img {
  width: 100%;
  height: 100%;
  object-fit: cover; /* مهم جداً */
}
    
.split-section .col-lg-7 {
  height: 100%;
  display: flex;
}

.split-section .col-lg-7 img {
  height: 100%;
}

.split-section {
  align-items: stretch; /* بدل center */
}

.split-section .row {
  align-items: stretch;
}

    .gallery-img {
      height: 280px;
      width: 100%;
      object-fit: cover;
      border-radius: 26px;
      transition: .35s;
      box-shadow: 0 12px 35px rgba(0,0,0,.12);
    }

    .gallery-img:hover {
      transform: scale(.97);
      filter: brightness(.8);
    }

    .testimonial-card {
      background: #fff;
      border-radius: 28px;
      padding: 35px;
      box-shadow: 0 12px 35px rgba(0,0,0,.08);
      height: 100%;
    }

    .stars {
      color: #ffc107;
      margin-bottom: 12px;
    }

    .pricing-card {
      background: #fff;
      border-radius: 30px;
      padding: 40px;
      box-shadow: 0 12px 35px rgba(0,0,0,.09);
      height: 100%;
      transition: .35s;
      border: 3px solid transparent;
    }

    .pricing-card.featured {
      border-color: var(--secondary);
      transform: scale(1.04);
    }

    .pricing-card:hover {
      transform: translateY(-10px);
    }

    .pricing-card.featured:hover {
      transform: scale(1.04) translateY(-10px);
    }

    .price {
      font-size: 2.8rem;
      font-weight: 900;
      color: var(--primary);
    }

    .faq .accordion-button {
      font-weight: 800;
      color: var(--primary);
    }

    .cta-strip {
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      color: #fff;
      border-radius: 35px;
      padding: 55px;
      box-shadow: 0 18px 55px rgba(0,84,166,.28);
    }

    .contact-box {
      background: #fff;
      padding: 45px;
      border-radius: 30px;
      box-shadow: 0 15px 45px rgba(0,0,0,.12);
    }

    .form-control, .form-select {
      border-radius: 14px;
      padding: 15px;
      border: 1px solid #d9e6f2;
    }

    footer {
      background: #101820;
      color: #fff;
      padding: 60px 0 25px;
    }

    footer img {
      height: 85px;
      background: #fff;
      border-radius: 16px;
      padding: 8px;
      margin-bottom: 18px;
    }

    .footer-link {
      color: #cdefff;
      display: block;
      text-decoration: none;
      margin-bottom: 8px;
    }

    .footer-link:hover {
      color: var(--secondary);
    }

    .back-top {
      position: fixed;
      left: 20px;
      bottom: 20px;
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: var(--primary);
      color: #fff;
      display: grid;
      place-items: center;
      text-decoration: none;
      z-index: 9;
      box-shadow: 0 10px 25px rgba(0,0,0,.2);
      animation: pulse 2s infinite;
    }

    @keyframes float {
      0%, 100% { transform: translateY(0); }
      50% { transform: translateY(-16px); }
    }

    @keyframes spin {
      from { transform: rotate(0deg); }
      to { transform: rotate(360deg); }
    }

    @keyframes pulse {
      0% { box-shadow: 0 0 0 0 rgba(0,84,166,.5); }
      70% { box-shadow: 0 0 0 15px rgba(0,84,166,0); }
      100% { box-shadow: 0 0 0 0 rgba(0,84,166,0); }
    }

    @media(max-width: 991px) {
      .hero h1 {
      font-size: 2.3rem;
      padding-top: 50px;
      font-weight: 900;
      line-height: 1.15;
    }

    .stats-section {
      margin-top: 30px;
      z-index: 3;
      padding-top: 0;
      background: #fff;
    }

    

      .floating-badge {
        right: 10px;
      }

      section {
        padding: 70px 0;
      }
    }

    /* form */
.CUS{
  
  padding: 0;
  border-radius: 30px;
}

.CUS p{
  padding: 0;
 }

form.CUS input.subject {
    display: none;
}

.CUS .form-row {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    align-items: center;
}

.CUS .form-row p {
    flex: 1;
    margin: 0;
}

.CUS textarea {
    width: 100%;
    font-size: 15px;
    border: 1px solid #020202;
    box-sizing: border-box;
    border: 1px solid #d4d4d4;
    background-color: #f0f0f0;
}

.CUS .submit {
    width: 100%;
    font-size: 15px;
    box-sizing: border-box;
    border: 1px solid #d4d4d4;
    background-color: #f0f0f0;
    color: #161515;
}

.CUS input,
.CUS select {
    width: 100%;
    font-size: 15px;
     border: 1px solid #d4d4d4;
    box-sizing: border-box;
    font-weight: normal;
    padding: 10px;
    margin: 5px 0;
    background-color: #f0f0f0;

}

.CUS label {
    font-size: 15px;
    display: block;
    margin-top: 10px;
    font-weight: bold;
    text-align: left;
    color: #3b3b3b;
}

.CUS legend {
    font-size: 20px;
    text-align: left;
    color: #ffffff;
}

form.CUS,
.CUS fieldset {
    border: none;
}


@media only screen and (max-width:500px){
    .CUS .form-row {
        flex-direction: column;  
        align-items: stretch;    
    }

    .CUS .form-row p {
        flex: 1 0 100%;
        width: 100%;
    }
 } 

 
 
.locations-wrapper {
  width: 70%;
  margin: 0 auto;
  padding: 50px 0;
}

.locations-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 15px;
}

.location-item {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 55px;
  padding: 12px 15px;
  text-align: center;
  text-decoration: none;
  color: #222;
  background: #f8f8f8;
  border: 1px solid #e5e5e5;
  border-radius: 12px;
  font-weight: 600;
  transition: all 0.3s ease;
}

.location-item:hover {
  background: rgb(0, 111, 186);
  color: #ffffff;
  transform: translateY(-4px) scale(1.03);
  box-shadow: 0 8px 20px rgba(0,0,0,0.12);
}

.location-item:active {
  transform: scale(0.98);
}