html,
body {
  height: 100%;
  margin: 0;
  font-family: "Source Sans Pro", Arial, sans-serif;
  background-color: #050505;
  background-image: url("../images/t80-office-space.png");
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center center;
  background-attachment: fixed;
}

body {
  display: flex;
  flex-direction: column;
  color: white;
}

#top {
  padding: 0.85rem 1rem 1rem 1rem;
  margin: 12px;
  border-radius: 25px;
  border: 2px solid rgba(255, 255, 255, 0.85);
  background-color: rgba(10, 10, 143, 0.5);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
}

#brand-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  flex-wrap: wrap;
}

#brand-block {
  min-width: 260px;
}

#techport80 {
  margin: 0;
  text-align: left;
  font-size: 3rem;
  line-height: 1;
}

#techport80 a {
  color: #ffffff;
  text-decoration: none;
}

#techport80 a:hover {
  color: #ffffff;
  text-decoration: none;
}

#slogan {
  margin: 0.4rem 0 0 0;
  font-weight: normal;
  text-align: left;
  color: #ffffff;
}

#tabs {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin: 0;
}

#tabs a {
  color: #ffffff;
  text-decoration: none;
}

#tabs a:hover {
  color: #ffffff;
  text-decoration-line: underline;
}

.tab {
  display: inline-block;
  padding: 0.45rem 0.95rem;
  margin: 4px;
  border: 2px solid #ffffff;
  border-radius: 25px;
  cursor: pointer;
  background-color: rgba(0, 170, 220, 0.58);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.18);
}

.tab:hover {
  background-color: rgba(255, 255, 255, 0.3);
}

#breadcrumb {
  text-align: left;
  font-size: 0.95rem;
  margin-top: 0.5rem;
  border-style: solid;
  border-width: 2px;
  border-color: #ffffff;
  padding: 6px 10px;
  background-color: rgba(0, 170, 220, 0.5);
  border-radius: 25px;
  color: #ffffff;
}

#middle {
  flex: 1;
  overflow-y: auto;
  scrollbar-color: white black;
  background-color: rgba(235, 235, 235, 0.97);
  padding: 1.25rem 1.4rem;
  margin: 12px;
  border-radius: 25px;
  border-style: solid;
  border-width: 2px;
  border-color: white;
  color: #333333;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.28);
}

#middle a {
  color: #0a0a8f;
  text-decoration: none;
}

#middle a:hover {
  color: #0c7dc7;
  text-decoration-line: underline;
}

#middle h1,
#middle h2,
#middle h3,
#middle h4,
#middle h5,
#middle h6 {
  color: #222222;
  margin-top: 1.1rem;
}

#middle p,
#middle li {
  line-height: 1.55;
}

#middle pre,
#middle code {
  color: #222222;
}

#middle img {
  max-width: 100%;
  height: auto;
  border-radius: 12px;
}

#middle .card {
  background-color: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(10, 10, 143, 0.18);
  border-radius: 18px;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.12);
}

#middle .card-title {
  margin-bottom: 0;
}

#middle .card-title a {
  color: #0a0a8f;
  text-decoration: none;
}

#middle .card-title a:hover {
  color: #0c7dc7;
  text-decoration-line: underline;
}

#middle .btn-primary {
  background-color: #0a0a8f;
  border-color: #0a0a8f;
}

#middle .btn-primary:hover {
  background-color: #0c7dc7;
  border-color: #0c7dc7;
}

#middle .btn-outline-secondary {
  color: #0a0a8f;
  border-color: #0a0a8f;
}

#middle .btn-outline-secondary:hover {
  background-color: #0a0a8f;
  border-color: #0a0a8f;
  color: #ffffff;
}

#middle input,
#middle textarea,
#middle select {
  max-width: 100%;
}
#middle .child-card {
  overflow: hidden;
  background-color: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(10, 10, 143, 0.22);
  border-radius: 22px;
  box-shadow: 0 10px 22px rgba(0, 0, 0, 0.14);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

#middle .child-thumb-link {
  display: block;
  text-decoration: none;
  color: inherit;
}

#middle .child-thumb-link:hover {
  text-decoration: none;
  color: inherit;
}

#middle .child-thumb {
  display: block;
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-radius: 0;
}

#middle .child-thumb-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 220px;
  background: linear-gradient(
    135deg,
    rgba(10, 10, 143, 0.18),
    rgba(0, 170, 220, 0.22)
  );
  color: #0a0a8f;
  font-weight: 600;
  letter-spacing: 0.03em;
}

#middle .child-card-body {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1rem 1.1rem 1rem;
}

#middle .child-card-title {
  margin: 0;
  font-size: 1.15rem;
  line-height: 1.25;
}

#middle .child-card-title a {
  color: #0a0a8f;
  text-decoration: none;
}

#middle .child-card-title a:hover {
  color: #0c7dc7;
  text-decoration-line: underline;
}

#footer {
  background-color: rgba(10, 10, 143, 0.5);
  padding: 0.9rem 1rem;
  margin: 12px;
  text-align: center;
  font-size: 0.95rem;
  border-radius: 25px;
  border: 2px solid #ffffff;
  color: white;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
}

#breadcrumb a,
#breadcrumb a:visited,
#breadcrumb a:hover,
#breadcrumb a:active {
  color: #ffffff;
  text-decoration: none;
}

#breadcrumb a:hover {
  text-decoration: underline;
}

@media (max-width: 900px) {
  #techport80 {
    font-size: 2.25rem;
    text-align: center;
  }

  #slogan {
    text-align: center;
  }

  #brand-row {
    justify-content: center;
  }

  #brand-block {
    width: 100%;
  }

  #tabs {
    justify-content: center;
  }
}

@media (max-width: 640px) {
  #top,
  #middle,
  #footer {
    margin: 8px;
    border-radius: 18px;
  }

  .tab {
    padding: 0.4rem 0.8rem;
  }

  #breadcrumb {
    font-size: 0.9rem;
  }
}