/* GLOBAL */
body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: #ffffff;
  margin: 0;
  padding: 0;
}

/* NAVBAR */
.navbar {
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  transition: background-color 0.3s ease;
}
.navbar.scrolled {
  background: #061f3e;
}
.navbar .navbar-brand {
  color: #ffffff !important;
  font-weight: 700;
  font-size: 1.5rem;
}
.navbar .nav-link {
  color: #ffffff !important;
  font-weight: 500;
  margin-left: 1rem;
}
.navbar .nav-link:hover {
  color: #4da3ff !important;
}
.navbar-toggler {
  border-color: rgba(255, 255, 255, 0.3);
}
.navbar-toggler-icon {
  filter: invert(1);
}

/* HERO */
.hero {
  background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)),
              url('../images/hero-bg.png') center/cover no-repeat;
  color: #fff;
  text-align: center;
  padding: 160px 20px 100px;
}
.hero h1 {
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: 20px;
  animation: fadeInDown 1s;
}
.hero p {
  font-size: 1.2rem;
  margin-bottom: 30px;
}
.hero .btn {
  font-size: 1rem;
  padding: 10px 20px;
  margin: 5px;
  border-radius: 6px;
}

/* SECTION TITLES */
.section-title {
  text-align: center;
  margin: 60px 0 30px;
  font-weight: 700;
  font-size: 2rem;
  color: #061f3e;
}

/* SERVICES */
.service-card {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: none;
  background: #f9f9f9;
}
.service-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

/* FOOTER */
.site-footer {
  background: #061f3e;
  color: #ffffff;
}
.site-footer p {
  margin: 0;
  font-size: 0.9rem;
}

/* ANIMATIONS */
@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}