html {
  height: 100%;
  width: 100%;
}

body {
  padding-left: 80px;
  padding-right: 80px;
  font-family: 'Poppins', sans-serif;
}

.poppins-thin {
  font-family: "Poppins", sans-serif;
  font-weight: 100;
  font-style: normal;
}

.poppins-extralight {
  font-family: "Poppins", sans-serif;
  font-weight: 200;
  font-style: normal;
}

.poppins-light {
  font-family: "Poppins", sans-serif;
  font-weight: 300;
  font-style: normal;
}

.poppins-regular {
  font-family: "Poppins", sans-serif;
  font-weight: 400;
  font-style: normal;
}

.poppins-medium {
  font-family: "Poppins", sans-serif;
  font-weight: 500;
  font-style: normal;
}

.poppins-semibold {
  font-family: "Poppins", sans-serif;
  font-weight: 600;
  font-style: normal;
}

.poppins-bold {
  font-family: "Poppins", sans-serif;
  font-weight: 700;
  font-style: normal;
}

.poppins-extrabold {
  font-family: "Poppins", sans-serif;
  font-weight: 800;
  font-style: normal;
}

.poppins-black {
  font-family: "Poppins", sans-serif;
  font-weight: 900;
  font-style: normal;
}

.poppins-thin-italic {
  font-family: "Poppins", sans-serif;
  font-weight: 100;
  font-style: italic;
}

.poppins-extralight-italic {
  font-family: "Poppins", sans-serif;
  font-weight: 200;
  font-style: italic;
}

.poppins-light-italic {
  font-family: "Poppins", sans-serif;
  font-weight: 300;
  font-style: italic;
}

.poppins-regular-italic {
  font-family: "Poppins", sans-serif;
  font-weight: 400;
  font-style: italic;
}

.poppins-medium-italic {
  font-family: "Poppins", sans-serif;
  font-weight: 500;
  font-style: italic;
}

.poppins-semibold-italic {
  font-family: "Poppins", sans-serif;
  font-weight: 600;
  font-style: italic;
}

.poppins-bold-italic {
  font-family: "Poppins", sans-serif;
  font-weight: 700;
  font-style: italic;
}

.poppins-extrabold-italic {
  font-family: "Poppins", sans-serif;
  font-weight: 800;
  font-style: italic;
}

.poppins-black-italic {
  font-family: "Poppins", sans-serif;
  font-weight: 900;
  font-style: italic;
}

#logo-img-link {
  width: 154px;
  display: block;
}

#navbox {
  position: sticky;
  z-index: 1000;
  top: 0px;
  background-color: rgba(255, 255, 255, 0.8);
  padding-top: 22px;
  padding-bottom: 22px;
}

#nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.navlink {
  display: inline-block;
  text-align: right;
  color: #99A57E;
  transition: color 0.3s ease;
  position: relative;
  text-decoration: none;
}

.navlink::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -4px;
  width: 100%;
  height: 2px;
  background-color: orange;
  transform: translateX(-50%) scaleX(0);
  transform-origin: center;
  transition: transform 0.3s ease, opacity 0.3s ease;
  opacity: 0;
}

.navlink:hover {
  color: orange;
}

.navlink:hover::after {
  transform: translateX(-50%) scaleX(1);
  opacity: 1;
}

#links {
  display: flex;
  gap: 40px;
  align-items: center;
}

/* Business Model */
#outer {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 0;
}

#logo-img {
  width: 154px;
  margin-top: 15px;
  position: sticky;
}

#title {
  text-align: center;
  color: #5787AA;
  font-size: 48px;
  margin-top: 100px;
}

#heading {
  text-align: left;
  color: #5787AA;
  font-size: 36px;
  margin-top: 100px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  margin-top: 40px;
}

.box {
  background: #ffffff;
  padding: 1.5rem;
  border-radius: 16px;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.06);
  border-left: 6px solid #9DAE7E;
  transition: box-shadow 0.3s ease;
}

.box:hover {
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.08);
}

.title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.3rem;
}

.subtitle {
  font-size: 0.95rem;
  color: #555;
  margin-bottom: 0.75rem;
}

details summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 0.95rem;
  color: #d1723a;
  margin-bottom: 0.5rem;
}

details[open] summary::after {
  content: "▲";
  float: right;
  font-size: 0.8rem;
  color: #999;
}

summary::after {
  content: "▼";
  float: right;
  font-size: 0.8rem;
  color: #999;
}

.content {
  font-size: 0.95rem;
  color: #333;
}

#image {
  margin: auto;
  display: block;
  width: 100%;
  max-width: 1200px;
  margin-top: 40px;
}

/* Footer */
#site-footer {
  text-align: center;
  font-size: 1rem;
  color: #3a3a3a;
  padding: 40px 0 20px;
  border-top: 1px solid #eee;
  margin-top: 80px;
}

#site-footer .copyright-icon {
  color: orange;
  margin-right: 4px;
  font-weight: 500;
  font-size: 1.05rem;
}

.orange {
  color: orange;
}

@media (max-width: 768px) {
  body {
    padding: 0 20px !important;
  }

  #nav,
  #nav-home,
  #links {
    flex-direction: column;
    align-items: center !important;
    gap: 16px;
  }

  #navbox,
  #navbox-home {
    padding: 20px 0 !important;
    margin: 0 !important;
  }

  #logo-img,
  #logo-img-link {
    width: 60% !important;
    max-width: 300px;
    margin: 0 auto;
    display: block;
    position: relative !important;
  }


  #product-img,
  #water-img,
  #logo-img {
    position: static !important;
    float: none !important;
    left: auto !important;
    top: auto !important;
    width: 90% !important;
    margin: 20px auto !important;
    display: block !important;
  }

  .hero-stack {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
  }
  

  .sequence-box {
    flex-direction: column !important;
    padding: 30px 20px !important;
    gap: 30px !important;
    text-align: center;
  }

  .sequence-images img {
    width: 80% !important;
    max-width: 300px;
    height: auto !important;
  }
  
  .sequence-text,
  .sequence-images {
    width: 100% !important;
    text-align: center;
  }

  .carousel-wrapper {
    margin-top: 150px !important;
  }

  .item {
    width: 150px !important;
    font-size: 9pt !important;
  }

  #outer {
    width: 100% !important;
    padding: 20px !important;
  }

  .grid {
    grid-template-columns: 1fr !important;
  }

  .carousel {
    animation: none !important;
    flex-wrap: wrap !important;
    justify-content: center !important;
  }
  .item {
    width: 45% !important;
    min-width: 140px;
    margin-bottom: 20px;
  }
  

  .person-container {
    flex-direction: column;
    align-items: center;
  }

  .text-container {
    text-align: center !important;
    padding: 0 10px;
  }

  .name, .role {
    font-size: 22pt !important;
  }

  .feature-item {
    max-width: 100% !important;
  }

  #filter-replacement {
    position: static !important;
    width: 100% !important;
    margin: 20px auto;
  }

  .accordion-toggle span {
    font-size: 16px !important;
  }
}