/* ===========================
   GLOBAL STYLES
=========================== */

body {
  margin: 0;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: #f7f9fc;
  color: #1f2933;
  line-height: 1.7;
}

h1, h2, h3 {
  color: #0b1f3a;
  font-weight: 600;
  margin-bottom: 15px;
}

h1 {
  font-size: 36px;
}

h2 {
  font-size: 26px;
  margin-top: 40px;
}

p {
  font-size: 16px;
  margin-bottom: 18px;
}

ul {
  margin-left: 20px;
  margin-bottom: 20px;
}

li {
  margin-bottom: 8px;
}

/* ===========================
   HEADER & NAVIGATION
=========================== */

header {
  background-color: #0b1f3a;
  padding: 20px 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}

.logo {
  color: #ffffff;
  font-size: 22px;
  font-weight: bold;
  letter-spacing: 1px;
}

nav a {
  color: #d9e2ec;
  text-decoration: none;
  margin-left: 20px;
  font-size: 14px;
  transition: color 0.3s ease;
}

nav a:hover {
  color: #ffffff;
}

/* ===========================
   HERO SECTION
=========================== */

.hero {
  background: linear-gradient(to right, #0b1f3a, #142d52);
  color: white;
  padding: 80px 20px;
  text-align: center;
}

.hero h1 {
  color: #ffffff !important;
  font-size: 38px;
  margin-bottom: 20px;
}

.hero p {
  color: #e2e8f0;
  font-size: 18px;
  max-width: 750px;
  margin: auto;
}

/* ===========================
   CONTENT SECTIONS
=========================== */

section {
  background-color: #ffffff;
  padding: 60px 20px;
  max-width: 1000px;
  margin: 30px auto;
  border-radius: 8px;
  box-shadow: 0 8px 20px rgba(0,0,0,0.05);
}

/* ===========================
   CALL TO ACTION BOX
=========================== */

.cta-box {
  background-color: #0b1f3a;
  color: white;
  padding: 40px;
  text-align: center;
  border-radius: 8px;
  margin-top: 40px;
}

.cta-box h2 {
  color: white;
  margin-bottom: 15px;
}

.cta-button {
  display: inline-block;
  margin-top: 15px;
  padding: 12px 25px;
  background-color: #f5b400;
  color: #0b1f3a;
  text-decoration: none;
  font-weight: bold;
  border-radius: 4px;
  transition: background 0.3s ease;
}

.cta-button:hover {
  background-color: #ffcc33;
}

/* ===========================
   FOOTER
=========================== */

footer {
  background-color: #0b1f3a;
  color: #d9e2ec;
  padding: 30px 20px;
  text-align: center;
  font-size: 14px;
  margin-top: 50px;
}

footer a {
  color: #f5b400;
  text-decoration: none;
  margin: 0 8px;
}

footer a:hover {
  text-decoration: underline;
}

/* ===========================
   LINKS
=========================== */

a {
  color: #0b1f3a;
}

a:hover {
  color: #142d52;
}

/* ===========================
   MOBILE RESPONSIVE
=========================== */

@media (max-width: 768px) {

  header {
    flex-direction: column;
    align-items: flex-start;
  }

  nav {
    margin-top: 15px;
  }

  nav a {
    display: block;
    margin: 10px 0;
  }

  .hero h1 {
    font-size: 28px;
  }

  section {
    margin: 20px 15px;
    padding: 40px 20px;
  }
}