/* Navbar basic styling */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  height: 55px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 2rem;
  z-index: 1000;
}

/* Gradient background */
.navbar::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100px;
  background: linear-gradient(to bottom, rgba(0,0,0,0.75), rgba(0,0,0,0));
  z-index: -1;
  transition: height 0.35s ease;
}
.navbar.hamburger-open::before { height: 700px; } /* gradient height mobile */
.navbar.dropdown-active::before { height: 250px; } /* gradient height desktop */

/* Logo */
.logo {
  font-size: 1rem;
  color: #FE6363;
  text-decoration: none;
}

/* Navigation links */
.nav-links {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.nav-links a {
  color: #FE6363;
  text-decoration: none;
  font-size: 1rem;
  padding: 0.5rem 1rem;
  transition: color 0.3s ease;
}
.nav-links a:hover { color: grey; }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
}
.hamburger span {
  width: 25px;
  height: 2px;
  background: #FE6363;
  transition: transform 0.35s ease, opacity 0.25s ease;
}
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Dropdown */
.dropdown { position: relative; }
.dropdown-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  transition: color 0.3s ease;
}
.dropdown-toggle:hover { color: grey; }

/* + icon */
.dropdown-arrow {
  display: inline-block;
  font-weight: bold;
  font-size: 1rem;
  transition: transform 0.35s cubic-bezier(0.25,1.25,0.5,1), scale 0.35s ease;
  transform-origin: center;
}
.dropdown.open .dropdown-arrow { transform: rotate(45deg); }

/* Dropdown menu */
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  display: flex;
  flex-direction: column;
  min-width: 160px;
  opacity: 0;
  transform: translateY(-10px);
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
}
.dropdown.open .dropdown-menu {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

/* ===== Mobile ===== */
@media (max-width: 768px) {
  .hamburger { display: flex; z-index: 1100; }
  .nav-links {
    position: absolute;
    top: 100px;
    right: 0;
    width: 100%;
    flex-direction: column;
    align-items: center;
    text-align: center;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height 0.45s cubic-bezier(0.25,0.1,0.25,1), opacity 0.35s ease;
  }
  .nav-links a {
    font-size: 1.1rem;
    margin-top: 15px;
  }
  .dropdown-menu a {
    font-size: 0.9rem;
  }
  .nav-links.open { max-height: 1000px; opacity: 1; }

  .nav-links .dropdown-menu {
    position: relative;
    width: 100%;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    max-height: 0;
    opacity: 0;
    transform: translateY(-15px);
    transition:
      max-height 0.45s cubic-bezier(0.25,1.25,0.5,1),
      opacity 0.35s ease,
      transform 0.35s ease;
  }
  .nav-links .dropdown.open .dropdown-menu {
    max-height: 1000px;
    opacity: 1;
    transform: translateY(0);
  }

  /* Stagger links */
  .dropdown-menu a {
    opacity: 0;
    transform: translateY(-10px);
    transition: opacity 0.35s ease, transform 0.35s ease;
  }
  .dropdown.open .dropdown-menu a:nth-child(1) { transition-delay: 0.05s; opacity:1; transform:translateY(0); }
  .dropdown.open .dropdown-menu a:nth-child(2) { transition-delay: 0.1s; opacity:1; transform:translateY(0); }
  .dropdown.open .dropdown-menu a:nth-child(3) { transition-delay: 0.15s; opacity:1; transform:translateY(0); }
}