:root {
  --primary-color: #1e3a5f;   /* dark blue */
  --accent-color: #2f80c0;    /* lighter blue */
}

html, body {
  height: 100%;
}

body {
  font-family: Arial, sans-serif;
  display: flex;
  flex-direction: column;
}

h1, h2 {
  font-weight: bold;
}

section {
  margin-bottom: 20px;
}

main {
  flex: 1;
  padding-bottom: 40px;
}

#header {
  min-height: 70px;
}

#hero {
  min-height: 200px;
}

#footer {
  min-height: 150px;
}


#header, #hero, #footer {
  opacity: 0;
  transition: opacity 0.2s ease-in;
}

.hero {
  background: linear-gradient(to right, #1e3a5f, #162a44);
  padding: 80px 20px;
  color: white;
  margin-bottom: 20px;
}

.hero h1 {
  font-size: 2.5rem;
  font-weight: 700;
}

.hero p {
  font-size: 1.1rem;
  opacity: 0.9;
}

footer {
  font-size: 0.95rem;
  padding: 30px 20px;
  background: linear-gradient(to right, #1e3a5f, #162a44);
}

footer h5 {
  margin-bottom: 12px;
}

footer .d-flex {
  margin-bottom: 12px;
}

footer p {
  margin-bottom: 10px;
}

footer a {
  word-break: break-word;
  text-decoration: none;
  color: #ddd;
}

footer a:hover {
  color: var(--accent-color);
}


@media (max-width: 768px) {
  footer .row > div {
    margin-bottom: 25px;
  }
}

.navbar-brand img {
  object-fit: contain;
}

.nav-link {
  position: relative;
  color: var(--primary-color);
  padding: 8px 12px;
}

.nav-link.active {
  color: var(--accent-color) !important;
  font-weight: 600;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 10%;
  bottom: -4px;
  width: 0%;
  height: 2px;
  background-color: var(--accent-color);
  transition: width 0.3s ease;
}

.nav-link:hover::after {
  width: 80%;
}

.nav-link.active::after {
  width: 80%;
}

.nav-link:hover {
  color: var(--accent-color);
  opacity: 0.8;
}

.btn-primary {
  background-color: var(--accent-color);
  border-color: var(--accent-color);
}