body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #f5f7fb;
  color: #222;
}

.site-header {
  background: #0b2d5c;
  color: white;
  padding: 20px;
  text-align: center;
}

.back-link {
  color: white;
  text-decoration: none;
  display: inline-block;
  margin-bottom: 10px;
}

.header-actions {
  max-width: 520px;
  margin: 0 auto 18px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.back-link {
  font-size: 16px;
  font-weight: 600;
}

.header-whatsapp {
  color: white;
  background: #25d366;
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
  padding: 8px 16px;
  border-radius: 999px;
}

.category-company {
  color: white;
  font-size: 22px;
  font-weight: 700;
  margin-top: 8px;
}

.category-since {
  color: white;
  font-size: 14px;
  opacity: 0.9;
  margin-top: 2px;
  margin-bottom: 10px;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(
      auto-fill,
      minmax(320px, 350px)
  );

  justify-content: center;
  gap: 28px;
  padding: 30px 30px 10px;
  max-width: 1600px;
  margin: auto;
}

.product-card {
  background: white;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 4px 14px rgba(0,0,0,0.12);
  display: flex;
  flex-direction: column;
}

.product-card img {
  width: 100%;
  height: 220px;
  object-fit: contain;
  background: white;
  padding: 20px;
  box-sizing: border-box;
}

.product-info {
  padding: 16px;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.product-info h2 {
  margin: 0 0 6px;
  font-size: 20px;
  color: #0b2d5c;
}

.product-code {
  font-weight: bold;
  color: #666;
  margin-bottom: 12px;
}

.spec {
  font-size: 14px;
  margin: 4px 0;
}

.video-btn{
    display:inline-block;
    margin-top:10px;
    padding:10px 16px;
    background:#ffffff;
    color:#1565D8;
    border:2px solid #1565D8;
    border-radius:8px;
    text-decoration:none;
    font-weight:600;
    margin-bottom:12px;
    align-self:flex-start;
}

.video-btn:hover{
    background:#1565D8;
    color:white;
}

.search-wrap{

    max-width:600px;

    margin:18px auto 18px;

    padding:0 16px;

}

#searchInput{

    width:100%;

    padding:12px 18px;

    border:2px solid #d7dce6;

    border-radius:30px;

    font-size:15px;

    background:#ffffff;

    color:#071b3a;

    box-sizing:border-box;

}

#searchInput:focus{

    outline:none;

    border-color:#0b2f6b;

    box-shadow:0 0 10px rgba(11,47,107,.15);

}

.wa-btn{
    display:block;
    margin-top:10px;
    padding:10px 14px;
    background:#25D366;
    color:white;
    text-align:center;
    border-radius:8px;
    text-decoration:none;
    font-weight:600;
    margin-top: auto;
}

.wa-btn:hover{
    opacity:0.9;
}

.why-zx-section {
  padding: 45px 0;
  background: #f5f8fc;
}

.why-zx-section h2 {
  font-weight: 700;
  color: #0b2d5c;
}

.why-zx-subtitle {
  max-width: 700px;
  margin: 0 auto;
  color: #555;
  font-size: 1rem;
}

.why-zx-card {
  height: 100%;
  background: #ffffff;
  border-radius: 16px;
  padding: 22px 16px;
  text-align: center;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.07);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.why-zx-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
}

.why-zx-icon {
  font-size: 2.2rem;
  margin-bottom: 12px;
}

.why-zx-card h5 {
  color: #0b2d5c;
  font-weight: 700;
  margin-bottom: 8px;
}

.why-zx-card p {
  color: #555;
  font-size: 0.92rem;
  margin-bottom: 0;
}

.category-subtitle{
    color:#cbd7ee;
    font-size:15px;
    margin-top:8px;
    text-align:center;
}

.category-logo{
    height:60px;
    width:auto;
    margin:5px auto;
    display:block;
}

@media (max-width: 576px) {
  .why-zx-section {
    padding: 35px 0;
  }

  .why-zx-card {
    padding: 18px 12px;
  }

  .why-zx-card h5 {
    font-size: 0.98rem;
  }

  .why-zx-card p {
    font-size: 0.85rem;
  }
  
}

  .support-section{
    background:#0b2d5c;
    color:white;
    text-align:center;
    padding:60px 20px;
    margin-top:30px;
    }

    .support-section h2{
    margin-bottom:20px;
    }

    .support-points{
    display:flex;
    justify-content:center;
    flex-wrap:wrap;
    gap:15px 25px;
    margin-bottom:20px;
    font-weight:600;
    }

    .support-section p{
    max-width:700px;
    margin:0 auto 25px;
    color:#d8e3f5;
    line-height:1.6;
    }

    .support-wa-btn{
    display:inline-block;
    background:#25D366;
    color:white;
    text-decoration:none;
    padding:14px 28px;
    border-radius:999px;
    font-weight:bold;
    }

    .support-wa-btn:hover{
    opacity:0.9;
    }
  
    .support-highlight{
    color:#ffffff;
    font-weight:700;
    margin-bottom:20px;
}