/* =========================
   Base Elements
========================= */
nav {
  font-size: 0.9rem;
}

hr {
  width: 100vw;
  border-bottom: 1px solid black;
  margin: 0;
  padding: 0;
}

/* Headings */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 700;
  line-height: 1em;
  margin: 0 0 1em 0;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border: none;
}

h1 a,
h2 a,
h3 a,
h4 a,
h5 a,
h6 a {
  color: inherit;
  text-decoration: none;
}

h2 {
  font-size: 1.75em;
  line-height: 1.5em;
  margin: 0 auto;
  width: fit-content;
}

h3,
h4,
h5 {
  font-size: 0.9em;
  line-height: 1.5em;
}

h6 {
  font-size: 0.7em;
  line-height: 1.5em;
}

#header h1 {
  font-size: 1.25rem;
}

/* =========================
   Banner
========================= */
#banner {
  position: relative;
  width: 100%;
  height: 80vh;
  background: url("../../images/Star with bricks and rocks.jpg") no-repeat center center;
  background-size: cover;
  display: flex;
  flex-direction: column;
  margin-bottom: 0 !important;
}

.banner-overlay {
  position: absolute;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.4);
  z-index: 0;
}

.banner-content {
  flex: 0 0 85%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  color: #fff;
  padding: 20px;
  z-index: 1;
  margin: auto;
}

.banner-content h2 {
  font-family: "Oswald", sans-serif;
  font-weight: 600;
  font-size: 4rem;
  line-height: 1.2;
  margin: 0 auto 1rem;
}

.banner-content .subtitle {
  font-size: 1.5rem;
  margin-bottom: 30px;
}

/* Banner Button */
.banner-button .button {
  background-color: #fff;
  color: #2E5A88;
  border: 1px solid #2E5A88;
  border-radius: 0.25rem;
  transition: transform 0.2s, background-color 0.2s;
}

.banner-button .button:hover {
  transform: translateY(-4px);
  background-color: #c2c2c2;
}

/* =========================
   Main Section
========================= */
#main .col-lg-9 .adobe-notice {
  margin: 0;
  padding: 1rem;
  background-color: #f1f1f1;
}

#main .col-lg-9 {
  padding: 3rem 5rem;
  width: 70%;
  margin: 0 5rem;
  background-color: #fff;
}

#main .col-lg-9 h3 {
  font-size: 2rem;
  font-weight: 700;
  margin: 2rem auto 0 auto;
  padding-bottom: 0;
}

/* =========================
   Headings with Icons
========================= */
#main .col-lg-9 h4 {
  margin-top: 3rem !important;
  margin-bottom: 0;
  padding-bottom: .5rem;
  font-size: 1.35rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

#main .col-lg-9 h4 i {
  color: #003366;
  font-size: 1.2em;
}

/* =========================
   Lists
========================= */
ul.list-unstyled li {
  margin-bottom: 0.6rem;
}

ul.list-unstyled li a {
  color: #004080;
  text-decoration: none;
  transition: color 0.2s;
}

ul.list-unstyled li a:hover {
  color: #cc0000;
  text-decoration: underline;
}

/* =========================
   Buttons
========================= */
#main .btn {
  border-radius: .5rem;
  padding: 0.3rem 1rem;
  font-size: 1rem;
  border: 1px solid #003366;
  background-color: #004080;
  color: #fff;
}

#main .btn:hover {
  transform: translateY(-5px);
  background-color: #003366;
  text-decoration: none;
}

/* =========================
   Responsive Styles
========================= */

/* Tablets (≤ 992px) */
@media (max-width: 992px) {
  #banner {
    height: 60vh;
  }

  .banner-content h2 {
    font-size: 3rem;
  }

  #main .col-lg-9 {
    padding: 2rem;
    margin: 0 auto;
    width: 90%;
  }

  #main .col-lg-9 h3 {
    font-size: 1.75rem;
  }

  #main .col-lg-9 h4 {
    font-size: 1.2rem;
  }

  aside.sidebar {
    margin-bottom: 2rem;
  }
}

/* Mobile Landscape (≤ 768px) */
@media (max-width: 768px) {
  .sidebar {
    display: none;
  }

  #banner {
    height: 50vh;
    background-position: center top;
  }

  .banner-content h2 {
    font-size: 2.2rem;
  }

  #main .col-lg-9 {
    padding: 1.5rem;
    margin: 0 auto;
    width: 90%;
  }

  #main .col-lg-9 h3 {
    font-size: 1.5rem;
  }

  #main .col-lg-9 h4 {
    font-size: 1.1rem;
  }

  ul.list-unstyled {
    padding-left: 1rem;
  }

  #main .btn {
    display: inline-block;
    width: auto;
    padding: 0.5rem 1rem;
    font-size: 0.95rem;
  }
}

/* Mobile Portrait (≤ 576px) */
@media (max-width: 576px) {
  #banner {
    height: 40vh;
  }

  .banner-content h2 {
    font-size: 1.8rem;
  }

  .banner-content .subtitle {
    font-size: 1rem;
  }

  #main .col-lg-9 {
    padding: 1rem;
  }

  #main .col-lg-9 h3 {
    font-size: 1.3rem;
  }

  #main .col-lg-9 h4 {
    font-size: 1rem;
  }

  #main .btn {
    width: 100%;
    font-size: 1rem;
    padding: 0.6rem;
    margin-bottom: 0.5rem;
    text-align: center;
  }
}