*,
*::before,
*::after {
  box-sizing: border-box;
}
html,
body {
  margin: 0;
  padding: 0;
  width: 100%;
  font-family: "Georgia", serif;
  background-color: #fff;
  scroll-behavior: smooth;
}
.main-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 40px;
  z-index: 1000;
  background: transparent;
}
.nav-logo img {
  height: 42px;
}
.nav-links {
  display: flex;
  gap: 30px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: bold;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: #000;
  transition: opacity 0.3s;
}
.nav-links a:hover,
.nav-links a.active {
  opacity: 0.5;
}
.nav-social {
  display: flex;
  gap: 18px;
}
.nav-social a i {
  font-size: 22px;
  color: #000;
  transition: transform 0.3s;
}
.nav-social a i:hover {
  transform: scale(1.15);
}
.nav-dark .nav-links a,
.nav-dark .nav-social a i {
  color: #fff;
}
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 1100;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: #000;
  transition: all 0.3s;
}
.nav-dark .nav-toggle span {
  background: #fff;
}
.nav-links.open {
  display: flex;
}
@keyframes fadeInDown {
  0% {
    opacity: 0;
    transform: translateY(-10px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}
@keyframes fadeIn {
  to {
    opacity: 1;
  }
}
@keyframes dropIn {
  0% {
    transform: translateY(-100vh);
    opacity: 0;
  }
  70% {
    transform: translateY(15px);
    opacity: 1;
  }
  100% {
    transform: translateY(0);
    opacity: 1;
  }
}
.section-title {
  font-size: 2rem;
  text-transform: uppercase;
  letter-spacing: 6px;
  color: #000;
  margin-bottom: 50px;
}
.section-title.light {
  color: #fff;
}
@media (max-width: 768px) {
  .main-nav {
    padding: 14px 20px;
    flex-wrap: wrap;
    gap: 0;
    background: rgba(255, 255, 255, 0.97);
  }
  .nav-dark {
    background: rgba(0, 0, 0, 0.97);
  }
  .nav-toggle {
    display: flex;
  }
  .nav-links {
    display: none;
    flex-direction: column;
    gap: 16px;
    width: 100%;
    padding: 16px 0 8px;
    order: 3;
  }
  .nav-links a {
    font-size: 0.9rem;
  }
  .nav-social {
    gap: 14px;
  }
  .nav-social a i {
    font-size: 20px;
  }
  .section-title {
    font-size: 1.4rem;
    letter-spacing: 3px;
  }
}