/* Include padding and borders within element widths */
* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  color: #263343;
  background-color: #ffffff;
}

/* Navy header, 70 pixels tall */
.top-bar {
  height: 70px;
  background-color: #142840;
}

/* Navy strip, one sixth of the page width */
.side-bar {
  position: fixed;
  top: 70px;
  bottom: 0;
  left: 0;
  width: 16.6667%;
  background-color: #142840;
}

/* Move the content clear of the left strip */
main {
  margin-left: 16.6667%;
  padding: 60px 5%;
}

/* Logo and introduction sit beside each other */
.introduction {
  display: flex;
  align-items: center;
  gap: 50px;
  max-width: 1100px;
  margin: 0 auto;
}

.logo {
  width: 240px;
  max-width: 35%;
  height: auto;
}

.business-description {
  flex: 1;
  min-width: 0;
}

h1 {
  margin-top: 0;
  font-size: 32px;
  color: #142840;
}

p {
  font-size: 18px;
  line-height: 1.7;
}

/* Contact details and button sit beside each other */
.contact {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  max-width: 1100px;
  margin: 50px auto 0;
  padding-top: 30px;
  border-top: 1px solid #dce2e8;
}

.contact-details {
  min-width: 0;
  overflow-wrap: anywhere;
}

.contact-details h2 {
  margin-top: 0;
}

.contact-details p {
  margin: 5px 0;
}

.enquiry-button {
  display: inline-block;
  padding: 16px 26px;
  background-color: #142840;
  color: #ffffff;
  border-radius: 6px;
  font-size: 18px;
  font-weight: bold;
  text-decoration: none;
  text-align: center;
  flex-shrink: 0;
}

.enquiry-button:hover {
  background-color: #26486c;
}

.enquiry-button:focus-visible {
  outline: 3px solid #26486c;
  outline-offset: 4px;
}

/* On smaller screens, stack the content vertically */
@media (max-width: 800px) {
  .top-bar {
    height: 45px;
  }

  .side-bar {
    display: none;
  }

  main {
    margin-left: 0;
    padding: 35px 24px;
  }

  .introduction,
  .contact {
    flex-direction: column;
    align-items: flex-start;
    gap: 25px;
  }

  .logo {
    width: 220px;
    max-width: 100%;
    align-self: center;
  }
}

/* Professional business footer */
footer {
  max-width: 1100px;
  margin: 60px auto 0;
  padding: 24px 20px;
  border-top: 2px solid #142840;
  color: #657386;
  font-size: 13px;
  line-height: 1.8;
  text-align: center;
  letter-spacing: 0.2px;
}

footer br {
  display: block;
  content: "";
  margin-bottom: 3px;
}

/* Keep footer spacing comfortable on mobile */
@media (max-width: 800px) {
  footer {
    margin-top: 40px;
    padding: 22px 8px 10px;
    font-size: 12px;
  }
}

/* Organisation transport request link */
.organisation-link {
  max-width: 1100px;
  margin: 35px auto 0;
  padding: 18px 22px;
  background-color: #f2f5f8;
  border-left: 4px solid #142840;
  border-radius: 4px;
}

.organisation-link p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
}

.organisation-link a {
  color: #142840;
  font-weight: bold;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.organisation-link a:hover {
  color: #26486c;
}

.organisation-link a:focus-visible {
  outline: 2px solid #26486c;
  outline-offset: 3px;
}

@media (max-width: 800px) {
  .organisation-link {
    margin-top: 25px;
    padding: 16px;
  }
}