/**
 * File: /css/components/navbar.css
 * Purpose: Modular styling for the main navigation.
 * M&A Note: Uses semantic class names and avoids fixed widths for responsive scaling.
 */

.navbar {
  display: flex;
  align-items: center;
  padding: var(--space-3) var(--space-6);
  background-color: var(--bg-surface); /* Pure White (Lotus) */
  border-bottom: 1px solid var(--border-subtle); /* Maple */
  font-family: var(--font-family-sans);
  position: relative;
}

.navbar-brand {
  font-family: var(--font-family-serif);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-primary-base); /* Dusty Lilac */
  text-decoration: none;
  margin-right: var(--space-6);
  letter-spacing: -0.5px;
}

.navbar-nav {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  list-style: none;
}

/* Pushes the login/signup links to the far right */
.auth-nav {
  margin-left: auto; 
}

.navbar-link {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  color: var(--text-muted); 
  text-decoration: none;
  /* Changed from 1.05rem to our official 'small' variable (14px) */
  font-size: var(--text-sm); 
  font-weight: 500;
  transition: color 0.2s ease;
}

.navbar-link svg {
  color: var(--text-muted);
  transition: color 0.2s ease;
}

/* Hover and active states */
.navbar-link:hover,
.navbar-link:hover svg {
  color: var(--color-primary-base);
}

.navbar-link.active {
  color: var(--color-primary-base);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 4px;
}

/* --- Our Services Dropdown --------------------------------- */

.nav-dropdown-wrap {
  position: relative;
}

.nav-dropdown-trigger {
  background: none;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: var(--space-1);
  padding: 0;
}

.nav-dropdown {
  position: absolute;
  top: calc(100% + 14px);
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--bg-surface);
  border: 1.5px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 24px oklch(18.5% 0.025 253 / 0.10);
  padding: var(--space-3);
  min-width: 300px;
  opacity: 0;
  visibility: hidden;
  transform: translateX(-50%) translateY(-6px);
  transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s;
  z-index: 100;
}

.nav-dropdown-wrap:hover .nav-dropdown,
.nav-dropdown-wrap:focus-within .nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.nav-dropdown-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3);
  border-radius: var(--radius-md);
  text-decoration: none;
  color: var(--text-main);
  transition: background-color 0.15s ease;
}

.nav-dropdown-item:hover {
  background-color: var(--color-neutral-100);
}

.nav-dropdown-icon {
  width: 36px;
  height: 36px;
  background-color: var(--color-neutral-100);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--color-primary-base);
}

.nav-dropdown-icon svg {
  width: 18px;
  height: 18px;
}

.nav-dropdown-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.nav-dropdown-title {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-main);
}

.nav-dropdown-desc {
  font-size: var(--text-xs);
  color: var(--text-muted);
  line-height: 1.5;
}

/* --- Nav Icon Buttons (bell, messages) --------------------- */

.nav-icon-btn {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s ease, background-color 0.2s ease;
}

.nav-icon-btn:hover {
  color: var(--color-primary-base);
  background-color: var(--color-neutral-100);
}

.nav-icon-badge {
  position: absolute;
  top: 2px;
  right: 2px;
  min-width: 16px;
  height: 16px;
  padding: 0 4px;
  border-radius: var(--radius-pill);
  background-color: oklch(55% 0.2 25);
  color: var(--color-neutral-000);
  font-size: 10px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  pointer-events: none;
}

.nav-icon-badge.hidden { display: none !important; }

.account-dropdown-divider {
  height: 1px;
  background-color: var(--border-subtle);
  margin: var(--space-1) var(--space-2);
}

/* --- Account Menu ------------------------------------------ */

.account-menu-wrap {
  position: relative;
}

.account-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background-color: var(--color-neutral-100);
  border: 1.5px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-muted);
  transition: border-color 0.2s ease, color 0.2s ease;
}

.account-btn:hover {
  border-color: var(--color-primary-base);
  color: var(--color-primary-base);
}

.account-dropdown {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  background-color: var(--bg-surface);
  border: 1.5px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 24px oklch(18.5% 0.025 253 / 0.10);
  min-width: 160px;
  padding: var(--space-2);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s;
  z-index: 100;
}

.account-dropdown.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.account-dropdown-item {
  display: block;
  width: 100%;
  text-align: left;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-main);
  text-decoration: none;
  background: none;
  border: none;
  cursor: pointer;
  transition: background-color 0.15s ease;
  box-sizing: border-box;
}

.account-dropdown-item:hover {
  background-color: var(--color-neutral-100);
}

.account-signout-btn {
  color: oklch(50% 0.18 25);
}

/* --- Site Search ------------------------------------------- */

.navbar-search-item {
  list-style: none;
}

.navbar-search-bar {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  background-color: transparent;
  border: 1.5px solid var(--border-subtle);
  border-radius: var(--radius-pill);
  padding: 6px var(--space-3);
  width: 160px;
  transition: border-color 0.2s ease, width 0.2s ease;
  cursor: text;
}

.navbar-search-bar:focus-within {
  border-color: var(--color-primary-base);
  width: 210px;
}

.navbar-search-bar-icon {
  color: var(--text-muted);
  flex-shrink: 0;
}

.navbar-search-input {
  -webkit-appearance: none;
  appearance: none;
  border: none;
  background: none;
  font-size: var(--text-sm);
  font-family: system-ui, -apple-system, sans-serif;
  color: var(--text-main);
  outline: none;
  width: 100%;
  min-width: 0;
}

.navbar-search-input::placeholder {
  color: var(--text-muted);
}

.navbar-search-panel {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background-color: var(--bg-surface);
  border-bottom: 1.5px solid var(--border-subtle);
  box-shadow: 0 6px 20px oklch(18.5% 0.025 253 / 0.10);
  padding: var(--space-3) var(--space-6);
  z-index: 200;
}

.navbar-search-results {
  max-width: 680px;
  margin: 0 auto;
  list-style: none;
  border: 1.5px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.navbar-search-result-link {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: var(--space-3) var(--space-4);
  text-decoration: none;
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-subtle);
  transition: background-color 0.15s ease;
}

.navbar-search-result:last-child .navbar-search-result-link {
  border-bottom: none;
}

.navbar-search-result-link:hover {
  background-color: var(--color-neutral-100);
}

.navbar-search-result-title {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-main);
}

.navbar-search-result-desc {
  font-size: var(--text-xs);
  color: var(--text-muted);
  line-height: 1.5;
}

@media (max-width: 768px) {
  .navbar-search-bar {
    width: 36px;
    padding: 6px;
    overflow: hidden;
  }

  .navbar-search-bar:focus-within {
    width: 36px;
  }

  .navbar-search-input {
    display: none;
  }

  .navbar-search-bar:focus-within .navbar-search-input {
    display: block;
  }
}

/* Logo Sizing Control */
.brand-logo {
  height: 90px; /* Keeps the logo proportionate to the navigation bar */
  width: auto;
  display: block;
}

.navbar-container {
  display: flex;
  align-items: center; /* This keeps the links perfectly centered vertically with the 90px logo */
  justify-content: space-between;
}

/* --- Hamburger Button (hidden on desktop) ------------------- */

.nav-hamburger {
  display: none;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  border-radius: var(--radius-md);
  transition: color 0.2s ease, background-color 0.2s ease;
  flex-shrink: 0;
  margin-left: var(--space-2);
}

.nav-hamburger:hover {
  color: var(--color-primary-base);
  background-color: var(--color-neutral-100);
}

/* --- Mobile Responsive ------------------------------------- */

@media (max-width: 768px) {
  .navbar {
    flex-wrap: wrap;
    padding: var(--space-2) var(--space-4);
    position: relative;
  }

  .brand-logo {
    height: 60px;
  }

  .navbar-brand {
    margin-right: 0;
  }

  /* Hide primary nav by default on mobile */
  .primary-nav {
    display: none;
    order: 3;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: var(--space-2) 0 var(--space-3);
    border-top: 1px solid var(--border-subtle);
    margin-top: var(--space-2);
  }

  /* Reveal when hamburger is toggled */
  .navbar.nav-open .primary-nav {
    display: flex;
  }

  .primary-nav > li {
    width: 100%;
  }

  .primary-nav .navbar-link,
  .primary-nav .nav-dropdown-trigger {
    width: 100%;
    padding: var(--space-3) var(--space-2);
    font-size: var(--text-base);
    border-radius: var(--radius-md);
    justify-content: flex-start;
  }

  /* Our Services sub-menu: make it always visible and static in mobile menu */
  .navbar.nav-open .nav-dropdown {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none !important;
    box-shadow: none;
    border: none;
    border-left: 2px solid var(--border-subtle);
    border-radius: 0;
    padding: var(--space-1) 0 var(--space-2) var(--space-3);
    margin-left: var(--space-4);
    min-width: unset;
  }

  .navbar.nav-open .nav-dropdown-item {
    padding: var(--space-2) var(--space-2);
  }

  .nav-hamburger {
    display: flex;
  }

  /* Compact auth-nav on mobile */
  .auth-nav {
    gap: var(--space-1);
  }

  /* Hide Sign Up link on mobile to save space — keep Sign In */
  .auth-nav .navbar-link:first-child {
    display: none;
  }
}