* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
}

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  color: black;
  line-height: 1.5;
}

/* ===== HEADER STYLES ===== */
#header-main {
  padding-top: 0px;
  padding-left: 0px;
  padding-right: 0px;
  padding-bottom: 0px;
  background: #d7e7f1;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: nowrap;
  gap: 1rem;
}

#logo {
  margin: 0px;
  padding: 0px;
  height: 150px;
  width: 150px;
  margin-bottom: 15px;
  background-position: center;
  background-repeat: no-repeat;
  background-size: contain;
  flex-shrink: 0;
}

header nav {
  flex: 1;
  margin-left: auto;
}

header nav ul {
  display: flex;
  flex-direction: row;
  justify-content: flex-end;
  list-style: none;
  flex-wrap: nowrap;
  gap: 0.5rem;
}

header li {
  display: inline;
  list-style: none;
}

header nav ul a {
  border-radius: 4px;
  text-decoration: none;
  color: #1f7a4d;
  text-transform: uppercase;
  padding: 0.5rem;
  margin: 0.5rem;
  font-weight: 750;
  display: inline-block;
  font-size: 0.9rem;
  transition: all 0.3s ease;
}

header nav ul a:hover {
  background-color: white;
  color: black;
  transform: scale(1.05);
}

/* ===== FOOTER STYLES ===== */
#footer-main {
  display: flex;
  justify-content: space-around;
  background-color: #f4e9da;
  flex-wrap: wrap;
  gap: 2rem;
  padding: 2rem;
}

.footer-column {
  display: flex;
  flex-direction: column;
  margin: 1rem 0;
  min-width: 150px;
  flex: 1 1 auto;
}
 

footer nav ul {
  display: flex;
  flex-direction: column;
  list-style: none;
  gap: 0.5rem;
}

footer nav li a {
  text-decoration: none;
  text-transform: uppercase;
  color: #1f7a4d;
  padding: 0.5rem 0;
  display: inline-block;
  transition: all 0.3s ease;
  font-size: 0.9rem;
}

footer nav li a:hover {
  color: greenyellow;
  transform: translateX(5px);
}

footer nav li {
  list-style: none;
}

/* ===== MOBILE STYLES (Small screens - 320px to 640px) ===== */
@media (max-width: 640px) {
  html {
    font-size: 14px;
  }

  header {
    flex-direction: column;
    text-align: center;
    padding: 0.75rem;
    gap: 0.75rem;
  }

  #logo {
    height: 2.5rem;
    margin: 0 auto;
  }

  header nav {
    margin-left: 0;
    width: 100%;
  }

  header nav ul {
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.25rem;
  }

  header nav ul a {
    padding: 0.4rem;
    margin: 0.25rem;
    font-size: 0.8rem;
  }

  #footer-main {
    flex-direction: column;
    gap: 1.5rem;
    padding: 1.5rem 1rem;
  }

  .footer-column {
    margin: 0;
    text-align: center;
  }

  footer nav li a {
    font-size: 0.85rem;
  }
}

/* ===== TABLET STYLES (Medium screens - 641px to 1024px) ===== */
@media (min-width: 641px) and (max-width: 1024px) {
  html {
    font-size: 15px;
  }

  header {
    padding: 1rem;
  }

  #logo {
    height: 2.8rem;
  }

  header nav ul {
    gap: 0.75rem;
  }

  header nav ul a {
    padding: 0.5rem;
    margin: 0.4rem;
    font-size: 0.85rem;
  }

  #footer-main {
    gap: 1.5rem;
    padding: 1.5rem;
  }

  .footer-column {
    margin: 0.5rem;
  }
}

/* ===== DESKTOP STYLES (Large screens - 1025px and up) ===== */
@media (min-width: 1025px) {
  header {
    padding: 1.5rem;
  }

  header nav ul a {
    font-size: 1rem;
  }

  #footer-main {
    gap: 2.5rem;
    padding: 2rem;
  }

  footer nav li a {
    font-size: 0.95rem;
  }
}