html {
  scroll-padding-top: 100px;
}

/* List Styling */
.product_list,
.product_subheading {
  text-align: center !important;
}

/* Reverse Osmosis Hero Section - Full Background Style */
.hero-ro-split {
  position: relative;
  min-height: 90vh;
  padding: 160px 40px 80px;
  background: url('../img/water-bg-header.jpg') no-repeat center center;
  background-size: cover;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  text-align: left;
}

.hero-inner {
  max-width: 1200px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.hero-text {
  flex: 1 1 50%;
  padding-right: 20px;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 700;
  color: white;
}

.hero-subtext {
  font-size: 1.5rem;
  color: #e0f7fa;
  margin-top: 1rem;
}

.hero-btn {
  margin-top: 30px;
  padding: 14px 28px;
  font-weight: bold;
  background-color: #00796b;
  color: white;
  border: none;
  border-radius: 4px;
  text-decoration: none;
  font-size: 1.125rem;
  display: inline-block;
}

.hero-image-container {
  flex: 1 1 40%;
  display: flex;
  justify-content: center;
}

.ro-header-image {
  max-width: 100%;
  height: auto;
  object-fit: contain;
}

/* Smart System Overview */
.graphic-nomargen {
  width: 100%;
  max-width: 500px;
  height: auto;
  display: block;
  margin: 0 auto 30px auto;
  border-radius: 12px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

#energy .col-md-6 h2 + img,
#energy .col-md-6 img + h2 {
  margin-top: 20px;
}

/* App Section */
.integration-section {
  background-color: #ffffff;
}

/* Features Section */
.features-section {
  background-color: #2e7d32;
  color: white;
}

.features-section h2,
.features-section h5,
.features-section p {
  color: white;
}

.features-section .col-md-3 {
  padding-left: 20px;
  padding-right: 20px;
}

.features-section .col-md-3 p {
  text-align: center;
}

/* Responsive Styling */
@media (max-width: 1199px) {
  .hero-title {
    font-size: 2.5rem !important;
  }

  .hero-subtext {
    font-size: 1.1rem !important;
  }
}

@media (max-width: 768px) {
  .hero-ro-split {
    text-align: center;
  }

  .hero-inner {
    flex-direction: column;
    align-items: center;
  }

  .hero-text {
    padding: 0;
    text-align: center;
  }

  .hero-title {
    font-size: 2rem !important;
  }

  .hero-subtext {
    font-size: 1rem !important;
  }

  .hero-btn {
    font-size: 1rem;
    padding: 10px 20px;
    margin-left: auto;
    margin-right: auto;
  }

  .hero-image-container {
    margin-top: 30px;
  }
}