* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: Arial, sans-serif;
}

html {
  scroll-behavior: smooth;
}

body {
  color: #111;
  background-color: #f5f5f5;
}

/* LOGIN / UNDER CONSTRUCTION SCREEN */

#loginScreen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: white;
  z-index: 9999;
  display: flex;
  justify-content: center;
  align-items: center;
}

.loginBox {
  width: 90%;
  max-width: 450px;
  text-align: center;
  padding: 40px;
  border-radius: 12px;
}

.loginBox h1 {
  color: #ffd700;
  font-size: 52px;
  margin-bottom: 20px;
  font-weight: bold;
  letter-spacing: 2px;
}

.loginBox p {
  font-size: 18px;
  margin-bottom: 20px;
  color: #081827;
}

.loginBox input {
  width: 100%;
  padding: 14px;
  margin-bottom: 15px;
  border: 2px solid #081827;
  border-radius: 4px;
  font-size: 16px;
  color: #081827;
}

.loginBox button {
  width: 100%;
  padding: 14px;
  background-color: #c9a45c;
  color: #081827;
  border: none;
  font-weight: bold;
  cursor: pointer;
  font-size: 16px;
  border-radius: 4px;
}

.loginBox button:hover {
  background-color: #b89044;
}

#loginMessage {
  margin-top: 15px;
  color: red;
  font-weight: bold;
}

#mainSite {
  display: none;
}

/* NAVIGATION BAR */

.navbar {
  height: 70px;
  background-color: #081827;
  color: white;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 40px;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.logo {
  font-size: 24px;
  font-weight: bold;
}

nav a {
  color: white;
  text-decoration: none;
  margin-left: 20px;
  font-weight: bold;
}

nav a:hover {
  color: #c9a45c;
}

/* HERO SECTION */

.hero {
  height: 90vh;
  background: linear-gradient(rgba(8, 24, 39, 0.7), rgba(8, 24, 39, 0.7)),
    url("https://images.unsplash.com/photo-1540962351504-03099e0a754b") center/cover;
  display: flex;
  align-items: center;
  padding-left: 60px;
  color: white;
}

.hero-content {
  max-width: 650px;
}

.hero h1 {
  font-size: 52px;
  margin-bottom: 20px;
}

.hero p {
  font-size: 20px;
  margin-bottom: 30px;
  line-height: 1.5;
}

.button {
  background-color: #c9a45c;
  color: #081827;
  padding: 14px 28px;
  text-decoration: none;
  font-weight: bold;
  border-radius: 4px;
  display: inline-block;
}

.button:hover {
  background-color: #b89044;
}

/* SECTIONS */

.section {
  padding: 70px 40px;
  text-align: center;
}

.section h2 {
  font-size: 36px;
  margin-bottom: 30px;
  color: #081827;
}

.section p {
  max-width: 800px;
  margin: 0 auto;
  line-height: 1.6;
  font-size: 18px;
}

/* AIRCRAFT CARDS */

.cards {
  display: flex;
  justify-content: center;
  gap: 25px;
  flex-wrap: wrap;
}

.card {
  background-color: white;
  width: 280px;
  padding: 30px;
  border-radius: 8px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.1);
}

.card h3 {
  margin-bottom: 15px;
  color: #081827;
  font-size: 24px;
}

.card p {
  font-size: 16px;
  line-height: 1.5;
}

/* QUOTE FORM SECTION */

.dark {
  background-color: #081827;
  color: white;
}

.dark h2 {
  color: white;
}

form {
  max-width: 600px;
  margin: auto;
  display: flex;
  flex-direction: column;
  gap: 15px;
}

input,
textarea {
  padding: 14px;
  border: none;
  border-radius: 4px;
  font-size: 16px;
}

textarea {
  min-height: 120px;
  resize: vertical;
}

button {
  padding: 14px;
  background-color: #c9a45c;
  color: #081827;
  border: none;
  font-weight: bold;
  cursor: pointer;
  font-size: 16px;
  border-radius: 4px;
}

button:hover {
  background-color: #b89044;
}

#formMessage {
  margin-top: 20px;
  font-weight: bold;
  color: #c9a45c;
}

/* CONTACT SECTION */

.contact {
  background-color: white;
}

.contact p {
  font-size: 18px;
  margin: 10px auto;
}

/* FOOTER */

footer {
  background-color: #081827;
  color: white;
  text-align: center;
  padding: 20px;
}

/* MOBILE RESPONSIVE DESIGN */

@media (max-width: 768px) {
  .navbar {
    height: auto;
    flex-direction: column;
    padding: 20px;
  }

  nav {
    margin-top: 15px;
  }

  nav a {
    display: inline-block;
    margin: 8px;
  }

  .hero {
    padding: 40px 25px;
    height: 80vh;
  }

  .hero h1 {
    font-size: 36px;
  }

  .hero p {
    font-size: 18px;
  }

  .section {
    padding: 50px 20px;
  }

  .section h2 {
    font-size: 30px;
  }

  .loginBox h1 {
    font-size: 38px;
  }
}