/* Sections */
section { padding: 2rem 2rem 2rem; max-width: 800px; margin: 0 auto; }
#home { padding-top: 10rem; text-align: center; }

/* Navbar */
.header {
  position: fixed;
  top: 0;
  width: 100%;
  /* modern glassy header that uses the theme token */
  background: var(--nav-bg);
  backdrop-filter: blur(8px) saturate(110%);
  -webkit-backdrop-filter: blur(8px) saturate(110%);
  border-bottom: 1px solid var(--nav-border);
  box-shadow: 0 6px 18px rgba(12, 22, 45, 0.06);
  z-index: 100;
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 2rem;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
}

.nav-logo a {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--primary);
  text-decoration: none;
}

.nav-menu {
  display: flex;
  gap: 2rem;
  margin: 0;
  padding: 1rem 0;
}

.nav-item {
  list-style: none;
}

.nav-link {
  font-weight: bold;
  color: rgba(0,0,0,0.75);
  padding: 0.5rem;
  transition: color 0.3s;
  text-decoration: none;
}

.nav-link:hover {
  color: var(--primary-600);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
}

.bar {
  display: block;
  width: 25px;
  height: 3px;
  background-color: var(--primary);
  margin: 3px auto;
  transition: all 0.3s ease-in-out;
}

/* Mobile Navigation */
@media screen and (max-width: 768px) {
  .nav-menu {
    position: fixed;
    left: -100%;
    top: 0;
    flex-direction: column;
    justify-content: center;
    background-color: rgba(255,255,255,0.95);
    width: 100%;
    height: 100vh;
    text-align: center;
    transition: 0.3s;
    box-shadow: 0 10px 27px rgba(0,0,0,0.05);
    padding: 6rem 0;
    z-index: -1;
  }

  .nav-menu.active {
    left: 0;
  }

  .nav-item {
    margin: 1rem 0;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-toggle.is-active .bar:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle.is-active .bar:nth-child(1) {
    transform: translateY(8.5px) rotate(45deg);
  }

  .nav-toggle.is-active .bar:nth-child(3) {
    transform: translateY(-8.5px) rotate(-45deg);
  }
}

/* Footer */
footer {
  text-align: center;
  padding: 2rem 0;
  border-top: 1px solid #eee;
  margin-top: 4rem;
  color: #777;
  transition: border-color 0.3s;
}

.footer-socials {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 1rem;
}

.social-icon {
  width: 28px;
  height: 28px;
  opacity: 0.6;
  transition: opacity 0.3s, transform 0.3s;
}

.footer-socials a:hover .social-icon {
  opacity: 1;
  transform: translateY(-3px) scale(1.1);
}

/* Container for the background */
.background-animation {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -1; /* Keeps it behind everything */
  overflow: hidden;
  background: #f7fbff; /* Base color */
}

/* Common orb style */
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px); /* This creates the soft "glow" effect */
  opacity: 0.6;
  animation: float 20s infinite ease-in-out alternate;
}

/* Orb 1: The Teal Accent */
.orb-1 {
  width: 50vw;
  height: 50vw;
  background: var(--primary); /* Uses your teal color */
  top: -10%;
  left: -10%;
}

/* Orb 2: A Complementary Blue */
.orb-2 {
  width: 40vw;
  height: 40vw;
  background: #4facfe;
  bottom: -10%;
  right: -10%;
  animation-duration: 25s; /* Different speed for randomness */
}

@keyframes float {
  0% { transform: translate(0, 0) rotate(0deg); }
  100% { transform: translate(50px, 50px) rotate(20deg); }
}