@import 'variables.css';

/* Navbar */
nav.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 70px;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
  z-index: var(--z-sticky);
  display: flex;
  align-items: center;
  padding: 0 2rem;
  gap: 3rem;
  animation: fadeDown var(--transition-base);
}

nav.navbar.scrolled {
  background: rgba(255, 255, 255, 0.97);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

/* Logo */
.navbar-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.3rem;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition-base);
  white-space: nowrap;
}

.navbar-logo:hover {
  transform: scale(1.05);
}

.navbar-logo img {
  width: 40px;
  height: 40px;
}

/* Nav Links */
.nav-links {
  display: flex;
  list-style: none;
  gap: 2rem;
  flex: 1;
}

.nav-links a {
  color: var(--color-gray-1);
  text-decoration: none;
  font-weight: 500;
  position: relative;
  transition: color var(--transition-base);
  cursor: pointer;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: width var(--transition-base);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-primary);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

/* Dropdown Menu */
.nav-dropdown {
  position: relative;
}

.nav-dropdown-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.nav-dropdown-toggle::after {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
  transition: transform var(--transition-base);
  margin-left: 0.25rem;
  margin-top: -2px;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  margin-top: 1rem;
  background: var(--color-white);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-md);
  padding: 0.5rem 0;
  min-width: 200px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition-base);
  z-index: var(--z-dropdown);
  list-style: none;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.nav-dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-menu li a {
  display: block;
  padding: 0.75rem 1.5rem;
  color: var(--color-gray-1);
  text-decoration: none;
  transition: all var(--transition-base);
  position: relative;
}

.dropdown-menu li a::after {
  display: none;
}

.dropdown-menu li a:hover {
  background: rgba(0, 180, 216, 0.1);
  color: var(--color-primary);
  padding-left: 2rem;
}

/* Hamburger Menu */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  margin-left: auto;
  background: none;
  border: none;
  padding: 0.5rem;
}

.hamburger span {
  width: 25px;
  height: 3px;
  background: var(--color-primary);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translateY(10px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translateY(-10px);
}

/* Navbar Actions */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-left: auto;
}

.nav-actions .btn {
  padding: 0.5rem 1.2rem;
  font-size: var(--fs-small);
}

/* Mobile Responsive */
@media (max-width: 768px) {
  nav.navbar {
    padding: 0 1rem;
    gap: 0;
    justify-content: space-between;
    z-index: 1002; /* Above nav-links (1000) so hamburger is clickable */
  }

  .hamburger {
    display: flex;
    position: relative;
    z-index: 1003;
    min-width: 48px;
    min-height: 48px;
    align-items: center;
    justify-content: center;
  }

  /* Body scroll lock when mobile menu is open */
  body.menu-open {
    overflow: hidden;
  }

  .nav-links {
    position: fixed;
    top: 70px;
    left: 0;
    width: 100vw;
    height: calc(100vh - 70px);
    flex-direction: column;
    gap: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-top: 1px solid var(--color-glass-border);
    list-style: none;
    padding: 1rem 0;
    transform: translateX(100%);
    transition: transform 0.3s ease-in-out;
    overflow-y: auto;
    z-index: 1000;
  }

  .nav-links.active {
    transform: translateX(0);
  }

  .nav-links li {
    width: 100%;
  }

  .nav-links a {
    display: block;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid rgba(0, 180, 216, 0.1);
    font-size: 1.1rem;
    min-height: 48px;
    align-items: center;
  }

  .nav-links a::after {
    display: none;
  }

  .nav-links a:active {
    background: rgba(0, 180, 216, 0.1);
  }

  .nav-actions {
    display: none;
  }

  .nav-links .mobile-nav-actions {
    display: flex;
    flex-direction: column;
    padding: 1rem 1.5rem;
    gap: 0.75rem;
    margin-top: 1rem;
    border-top: 1px solid var(--color-glass-border);
  }

  .nav-links .mobile-nav-actions .btn {
    width: 100%;
    text-align: center;
    justify-content: center;
  }

  /* Dropdown Menu Mobile */
  .nav-dropdown {
    position: relative;
  }

  .nav-dropdown-toggle {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
  }

  .nav-dropdown-toggle::after {
    transform: rotate(45deg);
    transition: transform 0.3s ease;
  }

  .nav-dropdown.active .nav-dropdown-toggle::after {
    transform: rotate(-135deg);
  }

  .dropdown-menu {
    position: static;
    max-height: 0;
    overflow: hidden;
    opacity: 1;
    visibility: visible;
    transform: none;
    transition: max-height 0.3s ease;
    backdrop-filter: none;
    background: rgba(0, 180, 216, 0.05);
    border: none;
    border-radius: 0;
    margin-top: 0;
    min-width: auto;
    padding: 0;
  }

  .nav-dropdown.active .dropdown-menu {
    max-height: 400px;
  }

  .dropdown-menu li {
    border-bottom: 1px solid rgba(0, 180, 216, 0.05);
  }

  .dropdown-menu li a {
    padding-left: 2.5rem;
    font-size: 1rem;
    border-bottom: none;
  }

  .dropdown-menu li a:active {
    background: rgba(0, 180, 216, 0.1);
  }
}