/* =========================================================
   🌌 Fermi Paradox — Base Stylesheet
   Author: Brice Nelson
   Description: Dark cosmic theme with subtle gradients
   ========================================================= */

/* ---------- Global ---------- */
body {
  background: radial-gradient(circle at 20% 20%, #0b0c10 0%, #000 100%);
  color: #e0e0e0;
  font-family: "Inter", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  margin: 0;
  padding-top: 70px; /* account for fixed navbar */
}

/* ---------- Navbar ---------- */
.navbar {
  background: linear-gradient(90deg, #050505 0%, #0f0f0f 50%, #050505 100%);
  border-bottom: 1px solid #202020;
}

.navbar-brand {
  font-size: 1.25rem;
  letter-spacing: 0.5px;
  color: #ffffff !important;
}

.navbar-brand:hover {
  color: #00d8ff !important;
  text-shadow: 0 0 8px rgba(0, 216, 255, 0.6);
}

.nav-link {
  color: #bfbfbf !important;
  font-weight: 500;
  transition: color 0.2s ease, text-shadow 0.2s ease;
}

.nav-link:hover {
  color: #00d8ff !important;
  text-shadow: 0 0 8px rgba(0, 216, 255, 0.5);
}

/* ---------- Main Content ---------- */
main {
  min-height: 80vh;
}

h1, h2, h3, h4 {
  color: #ffffff;
  letter-spacing: 0.5px;
}

p, li {
  color: #d6d6d6;
  line-height: 1.6;
}

a {
  color: #00d8ff;
  text-decoration: none;
}

a:hover {
  color: #4be0ff;
  text-decoration: underline;
}

/* ---------- Cards / Sections ---------- */
.card {
  background-color: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  padding: 1.5rem;
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.card:hover {
  box-shadow: 0 0 15px rgba(0, 216, 255, 0.2);
  transform: translateY(-3px);
}

/* ---------- Footer ---------- */
footer {
  background: #0a0a0a;
  color: #888;
  font-size: 0.9rem;
}

footer small {
  letter-spacing: 0.3px;
}

footer small:hover {
  color: #00d8ff;
  transition: color 0.3s ease;
}

/* ---------- Utility Classes ---------- */
.text-accent {
  color: #00d8ff;
}

.bg-cosmic {
  background: linear-gradient(180deg, #0a0a0a 0%, #000000 100%);
}

/* ---------- Fixed Navbar + Footer Enhancements ---------- */
.cosmic-navbar {
  background: linear-gradient(90deg, #020024 0%, #090979 50%, #00d4ff 100%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  transition: all 0.3s ease-in-out;
}

.cosmic-navbar .nav-link {
  color: #d9d9d9 !important;
  font-weight: 500;
  position: relative;
}

.cosmic-navbar .nav-link::after {
  content: "";
  position: absolute;
  width: 0%;
  height: 2px;
  left: 0;
  bottom: 0;
  background-color: #00d8ff;
  transition: width 0.3s ease;
}

.cosmic-navbar .nav-link:hover::after {
  width: 100%;
}

.cosmic-navbar .nav-link:hover {
  color: #ffffff !important;
}

.cosmic-footer {
  background: linear-gradient(90deg, #000000 0%, #0a0a0a 50%, #000000 100%);
  color: #999;
  font-size: 0.9rem;
}

.cosmic-footer small {
  letter-spacing: 0.3px;
  color: #aaa;
}

.cosmic-footer small:hover {
  color: #00d8ff;
  transition: color 0.3s ease;
}

/* ---------- Glass Effect on Scroll ---------- */
.cosmic-navbar.glass {
  background: rgba(10, 10, 20, 0.7);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 2px 15px rgba(0, 216, 255, 0.2);
  transition: all 0.4s ease-in-out;
}

.cosmic-navbar.glass .nav-link {
  color: #f0f0f0 !important;
}

.cosmic-navbar.glass .nav-link::after {
  background-color: #00d8ff;
}

.cosmic-navbar.glass .navbar-brand {
  color: #00e0ff !important;
  text-shadow: 0 0 6px rgba(0, 224, 255, 0.6);
}

/* ---------- Muted Text ---------- */

.text-muted, .text-secondary {
  color: #aab6c4 !important;  /* softer gray-blue, readable on dark bg */
}