/*
 * TheCoolSymbols - Header CSS
 * Styling for the website header and navigation
 * Created: June 11, 2025
 */

/* Header styles */
.header {
  background-color: var(--card-color);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 1rem 0;
  transition: var(--transition);
}

.header.scrolled {
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
  padding: 0.75rem 0;
}

.header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
}

.logo-image {
  height: 60px;
  width: auto; /* Maintain aspect ratio */
  max-width: 150px; /* Control maximum width based on 400:160 aspect ratio */
  object-fit: contain; /* Ensures logo fits properly */
  transition: var(--transition);
}

.scrolled .logo-image {
  height: 38px;
}

/* Navigation styles */
.nav {
  display: flex;
  align-items: center;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav-button {
  display: inline-block;
  padding: 0.5rem 1rem;
  color: var(--text-color);
  font-weight: 500;
  border-radius: var(--border-radius-sm);
  transition: var(--transition);
  position: relative;
}

.nav-button:hover {
  color: var(--primary-color);
  background-color: var(--card-hover);
}

.nav-button.active {
  color: var(--primary-color);
  background-color: var(--card-hover);
}

.nav-button.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 3px;
  background-color: var(--primary-color);
  border-radius: 3px;
}

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

.nav-dropdown-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  color: var(--text-color);
  font-weight: 500;
  background: none;
  border: none;
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
  font-size: inherit;
}

.nav-dropdown-btn:hover {
  color: var(--primary-color);
  background-color: var(--card-hover);
}

.nav-dropdown-btn i {
  font-size: 0.8rem;
  transition: var(--transition);
}

.nav-dropdown-btn[aria-expanded="true"] i {
  transform: rotate(180deg);
}

.nav-dropdown-content {
  position: absolute;
  top: 100%;
  left: 0;
  background-color: var(--card-color);
  min-width: 180px;
  box-shadow: var(--box-shadow);
  border-radius: var(--border-radius);
  padding: 0.5rem 0;
  margin-top: 0.5rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: var(--transition);
  z-index: 100;
}

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

.nav-dropdown-content a {
  display: block;
  padding: 0.5rem 1rem;
  color: var(--text-color);
  transition: var(--transition);
}

.nav-dropdown-content a:hover {
  background-color: var(--card-hover);
  color: var(--primary-color);
}

/* Hamburger menu */
.hamburger-menu {
  display: none;
  cursor: pointer;
}

.hamburger-icon {
  width: 30px;
  height: 24px;
  position: relative;
  transform: rotate(0deg);
  transition: 0.5s ease-in-out;
}

.hamburger-icon span {
  display: block;
  position: absolute;
  height: 3px;
  width: 100%;
  background: var(--text-color);
  border-radius: 3px;
  opacity: 1;
  left: 0;
  transform: rotate(0deg);
  transition: 0.25s ease-in-out;
}

.hamburger-icon span:nth-child(1) {
  top: 0px;
}

.hamburger-icon span:nth-child(2) {
  top: 10px;
}

.hamburger-icon span:nth-child(3) {
  top: 20px;
}

.hamburger-icon.open span:nth-child(1) {
  top: 10px;
  transform: rotate(135deg);
}

.hamburger-icon.open span:nth-child(2) {
  opacity: 0;
  left: -60px;
}

.hamburger-icon.open span:nth-child(3) {
  top: 10px;
  transform: rotate(-135deg);
}

/* Mobile navigation */
@media (max-width: 992px) {
  .hamburger-menu {
    display: block;
    z-index: 1001;
  }
  
  .nav-links {
    position: fixed;
    top: 0;
    right: -300px;
    width: 280px;
    height: 100vh;
    background-color: var(--card-color);
    flex-direction: column;
    align-items: flex-start;
    padding: 6rem 2rem 2rem;
    gap: 1.5rem;
    box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
    transition: right 0.3s ease-in-out;
    z-index: 1000;
    overflow-y: auto;
  }
  
  .nav-links.open {
    right: 0;
  }
  
  .nav-dropdown {
    width: 100%;
  }
  
  .nav-dropdown-btn {
    width: 100%;
    justify-content: space-between;
  }
  
  .nav-dropdown-content {
    position: static;
    box-shadow: none;
    padding-left: 1rem;
    margin-top: 0.5rem;
    display: none;
    opacity: 1;
    visibility: visible;
    transform: none;
  }
  
  .nav-dropdown-content.show {
    display: block;
  }
  
  .nav-button, .nav-dropdown-btn {
    width: 100%;
  }
}

@media (max-width: 576px) {
  .logo-image {
    height: 38px;
  }
  
  .scrolled .logo-image {
    height: 32px;
  }
}