:root {
  --primary-color: #003366;
  --accent-color: gold;
  --text-color: white;
  --highlight-color: #090442;
}

header {
  position: sticky;
  top: 0;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  z-index: 1000;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
  transition: background 0.3s ease;
}

header .container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo-container {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-box {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.logo-box:hover {
  transform: scale(1.05);
  box-shadow: 0 0 8px rgba(255, 215, 0, 0.3);
}

.brand-title {
  font-weight: 700;
  font-size: calc(1rem + 0.4vw);
  color: var(--accent-color);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.brand-subtitle {
  font-size: calc(0.6rem + 0.2vw);
  color: rgba(255, 255, 255, 0.7);
  letter-spacing: 0.5px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: transform 0.3s ease;
}

.nav-menu a {
  display: inline-block;
  padding: 0.8rem 1.5rem;
  text-decoration: none;
  color: var(--text-color);
  font-size: calc(0.8rem + 0.3vw);
  font-weight: 500;
  border-radius: 8px;
  transition: all 0.3s ease;
}

.nav-menu a:hover {
  background: var(--accent-color);
  color: var(--primary-color);
  transform: scale(1.05);
  box-shadow: 0 2px 6px rgba(255, 215, 0, 0.3);
}

.nav-menu a.active {
  background: var(--primary-color);
  color: var(--accent-color);
  transform: scale(0.95);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
}

.nav-menu a:focus {
  outline: 2px solid var(--accent-color);
  outline-offset: 2px;
}

/* Dropdown Styles */
.dropdown {
  position: relative;
  display: inline-block;
}

.dropdown-toggle {
  display: inline-block;
  padding: 0.8rem 2rem 0.8rem 1.5rem;
  background: linear-gradient(
    135deg,
    rgba(255, 215, 0, 0.2),
    rgba(230, 27, 27, 0.2)
  );
  color: var(--text-color);
  font-size: calc(0.8rem + 0.3vw);
  font-weight: 600;
  border: 2px solid var(--highlight-color);
  border-radius: 10px;
  cursor: pointer;
  position: relative;
  transition: all 0.3s ease;
}

.dropdown-toggle::after {
  content: "▼";
  position: absolute;
  right: 0.5rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.7em;
  color: var(--accent-color);
}

.dropdown-toggle:hover {
  background: linear-gradient(
    135deg,
    rgba(255, 215, 0, 0.4),
    rgba(230, 27, 27, 0.4)
  );
  transform: scale(1.05);
  box-shadow: 0 2px 6px rgba(255, 215, 0, 0.4);
}

.dropdown-toggle:focus {
  outline: 2px solid var(--accent-color);
  outline-offset: 2px;
}

.dropdown-toggle.active {
  background: linear-gradient(
    135deg,
    rgba(255, 215, 0, 0.5),
    rgba(230, 27, 27, 0.5)
  );
}

.dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background: rgba(0, 0, 0, 0.9);
  backdrop-filter: blur(8px);
  border: 2px solid var(--accent-color);
  border-radius: 8px;
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.3);
  z-index: 1000;
  min-width: 200px;
  padding: 0.5rem 0;
  opacity: 0;
  transform: translateY(-10px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.dropdown.active .dropdown-menu,
.dropdown:hover .dropdown-menu {
  display: block;
  opacity: 1;
  transform: translateY(0);
}

.dropdown-menu a {
  display: block;
  padding: 0.7rem 1.5rem;
  color: var(--text-color);
  background: rgba(255, 255, 255, 0.05);
  text-decoration: none;
  font-size: calc(0.7rem + 0.2vw);
  font-weight: 400;
  border-left: 3px solid var(--highlight-color);
  margin: 0.2rem 0;
  transition: all 0.3s ease;
}

.dropdown-menu a:hover {
  background: var(--highlight-color);
  color: var(--text-color);
  border-left-color: var(--accent-color);
}

.dropdown-menu a:focus {
  outline: 2px solid var(--accent-color);
  outline-offset: 2px;
}

/* Hamburger Menu */
.hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.75rem;
  z-index: 1001;
  transition: transform 0.3s ease;
}

.hamburger span {
  display: block;
  width: 30px;
  height: 4px;
  background: var(--text-color);
  margin: 6px 0;
  border-radius: 2px;
  transition: all 0.3s ease;
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(8px, 8px);
}

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

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(8px, -8px);
}

.hamburger:focus {
  outline: 2px solid var(--accent-color);
  outline-offset: 2px;
}

/* Mobile Styles */
@media (max-width: 1175px) {
  .hamburger {
    display: block;
  }

  .nav-menu {
    display: none;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(0, 0, 0, 0.95);
    padding: 4rem 1rem;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
  }

  .nav-menu.active {
    display: flex;
    transform: translateX(0);
  }

  .nav-menu a,
  .nav-menu .dropdown-toggle {
    margin: 0.5rem 0;
    padding: 1rem;
    font-size: calc(1rem + 0.3vw);
    text-align: center;
    width: 100%;
    border-radius: 6px;
  }

  .dropdown-toggle {
    padding: 1rem;
    background: linear-gradient(
      135deg,
      rgba(255, 215, 0, 0.3),
      rgba(230, 27, 27, 0.3)
    );
    border: 2px solid var(--highlight-color);
  }

  .dropdown-toggle::after {
    right: 1rem;
  }

  .dropdown {
    width: 100%;
  }

  .dropdown-menu {
    position: static;
    width: 100%;
    background: rgba(0, 0, 0, 0.85);
    border: 2px solid var(--accent-color);
    box-shadow: none;
    padding: 0.5rem 0;
    margin: 0.5rem 0;
    display: none;
    opacity: 1;
    transform: none;
  }

  .dropdown.active .dropdown-menu {
    display: block;
  }

  .dropdown-menu a {
    padding: 0.8rem 1.5rem;
    font-size: calc(0.8rem + 0.2vw);
    text-align: center;
    border-left: 3px solid var(--highlight-color);
  }
}

@media (max-width: 460px) {
  header .container {
    padding: 0.75rem 1rem;
  }

  .hamburger {
    padding: 0.5rem;
  }

  .hamburger span {
    width: 26px;
    height: 3px;
    margin: 5px 0;
  }

  .nav-menu {
    padding: 3rem 0.75rem;
  }

  .nav-menu a,
  .nav-menu .dropdown-toggle {
    padding: 0.8rem;
    font-size: calc(0.9rem + 0.2vw);
  }

  .dropdown-menu a {
    padding: 0.7rem 1rem;
    font-size: calc(0.7rem + 0.2vw);
  }

  .logo-box {
    width: 40px;
    height: 40px;
  }

  .brand-title {
    font-size: calc(0.9rem + 0.3vw);
  }

  .brand-subtitle {
    font-size: calc(0.6rem + 0.2vw);
  }
}