/* =========================
   RESET & BASE
   ========================= */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background: #f9fafb;
  color: #333;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.7;
}

/* =========================
   HEADER
   ========================= */
header {
  background: #ffffff;
  box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

header h1 {
  color: #06215E;
  font-size: 2rem;
  font-weight: 700;
}

header nav a {
  color: #555;
  text-decoration: none;
  margin: 0 12px;
  font-weight: 500;
  transition: color 0.3s ease;
}

header nav a:hover,
header nav a[href="/about"] {
  color: #2563eb;
}

/* =========================
   HERO SECTION
   ========================= */
.bg-blue-50 {
  background: linear-gradient(135deg, #06215E, #0b3aa4);
}

.bg-blue-50 h2 {
  color: #ffffff;
  font-size: 2.8rem;
  font-weight: 700;
}

.bg-blue-50 p {
  color: #e5e7eb;
  font-size: 1.05rem;
  max-width: 700px;
  margin: 0 auto;
}

/* =========================
   CONTAINERS
   ========================= */
.max-w-6xl,
.max-w-5xl,
.max-w-4xl {
  max-width: 1100px;
  margin: auto;
}

.px-4 {
  padding-left: 20px;
  padding-right: 20px;
}

.py-6 {
  padding-top: 24px;
  padding-bottom: 24px;
}

.py-12 {
  padding-top: 60px;
  padding-bottom: 60px;
}

.py-16 {
  padding-top: 90px;
  padding-bottom: 90px;
}

/* =========================
   CONTENT HEADINGS
   ========================= */
h3 {
  font-size: 1.6rem;
  color: #06215E;
  margin-bottom: 12px;
  position: relative;
}

h3::after {
  content: "";
  display: block;
  width: 55px;
  height: 4px;
  background: #2563eb;
  margin-top: 8px;
  border-radius: 10px;
}

/* =========================
   TEXT
   ========================= */
.text-gray-700 {
  color: #555;
  font-size: 0.95rem;
}

.mb-6 {
  margin-bottom: 24px;
}

.mb-4 {
  margin-bottom: 16px;
}

/* =========================
   LISTS
   ========================= */
ul {
  margin-left: 18px;
}

ul li {
  margin-bottom: 10px;
  font-size: 0.95rem;
}

/* =========================
   BUTTON
   ========================= */
a.bg-blue-600 {
  background: #2563eb;
  color: #ffffff;
  padding: 12px 28px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
  display: inline-block;
  transition: background 0.3s ease, transform 0.3s ease;
}

a.bg-blue-600:hover {
  background: #1e40af;
  transform: translateY(-2px);
}

/* =========================
   FOOTER
   ========================= */
footer {
  background: #ffffff;
  border-top: 1px solid #e5e7eb;
}

footer p {
  color: #666;
}

footer a {
  color: #555;
  text-decoration: none;
  margin: 0 8px;
  transition: color 0.3s ease;
}

footer a:hover {
  color: #2563eb;
}

/* =========================
   FLEX HELPERS
   ========================= */
.flex {
  display: flex;
}

.justify-between {
  justify-content: space-between;
}

.items-center {
  align-items: center;
}

.text-center {
  text-align: center;
}

/* =========================
   RESPONSIVE
   ========================= */
@media (max-width: 768px) {
  header nav {
    display: none;
  }

  .bg-blue-50 h2 {
    font-size: 2.1rem;
  }

  h3 {
    font-size: 1.4rem;
  }
}