/* Public/Guest header - shown to unauthenticated users */

#public-header {
  position: sticky;
  top: 0;
  width: 100%;
  padding-top: env(safe-area-inset-top, 0px);
  z-index: 100;
  background-color: rgba(255, 249, 245, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
  transition: background-color 0.3s ease, box-shadow 0.3s ease;
  box-sizing: border-box;
}

#public-header.scrolled {
  background-color: rgba(255, 249, 245, 0.95);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

#public-header .container {
  max-width: 1400px;
}

#public-header nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.85rem 0;
}

#public-header .logo {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  transition: opacity 0.2s ease;
}

#public-header .logo:hover {
  opacity: 0.85;
}

#public-header .logo i {
  font-size: 1.5rem;
}

/* Desktop: nav-menu is inline flex container */
#public-header .nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}

#public-header .nav-links {
  display: flex;
  list-style: none;
  gap: 1.75rem;
}

#public-header .nav-links a {
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 500;
  font-size: 0.95rem;
  position: relative;
  padding: 0.5rem 0;
  transition: color 0.2s ease;
}

#public-header .nav-links a:hover {
  color: var(--primary);
}

#public-header .nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--primary);
  border-radius: 1px;
  transition: width 0.3s ease;
}

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

/* Focus states for keyboard accessibility */
#public-header .nav-links a:focus-visible,
#public-header .nav-cta .btn:focus-visible,
#public-header .nav-toggle:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
  border-radius: 4px;
}

#public-header .nav-toggle {
  display: none;
}

/* Desktop CTA button */
#public-header .nav-cta .btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.55rem 1.3rem;
  font-weight: 600;
  font-size: 0.9rem;
  border-radius: 50px;
  text-decoration: none;
  transition: all 0.2s ease;
  background: var(--primary, #FF6B35);
  color: #fff;
  border: none;
  box-shadow: 0 2px 8px rgba(255, 107, 53, 0.25);
}

#public-header .nav-cta .btn:hover {
  background: var(--primary-dark, #E04B1C);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(255, 107, 53, 0.35);
}

/* ===== MOBILE ===== */
@media (max-width: 768px) {
  #public-header nav {
    position: relative;
  }

  /* Hamburger button */
  #public-header .nav-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    font-size: 1.4rem;
    cursor: pointer;
    color: var(--text-primary);
    width: 44px;
    height: 44px;
    border-radius: 10px;
    transition: background-color 0.2s ease, color 0.2s ease;
    -webkit-tap-highlight-color: transparent;
  }

  #public-header .nav-toggle:hover {
    background-color: rgba(0, 0, 0, 0.05);
  }

  #public-header .nav-toggle:active {
    background-color: rgba(0, 0, 0, 0.08);
  }

  /* Mobile nav-menu: slide-down with glass animation */
  #public-header .nav-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    z-index: 200;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    flex-direction: column;
    padding: 0;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
    border-bottom-left-radius: 16px;
    border-bottom-right-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-top: none;
    /* Animation: slide down + fade in */
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1),
                opacity 0.25s ease;
    display: flex;
  }

  #public-header .nav-menu.open {
    max-height: 500px;
    opacity: 1;
    padding: 0.5rem 0 0;
  }

  #public-header .nav-links {
    display: flex;
    flex-direction: column;
    gap: 0;
  }

  #public-header .nav-links li {
    list-style: none;
  }

  #public-header .nav-links a {
    display: flex;
    align-items: center;
    padding: 0.85rem 1.5rem;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-primary, #2D3748);
    min-height: 44px;
    border-radius: 8px;
    margin: 0 0.5rem;
    transition: background-color 0.15s ease, color 0.15s ease;
  }

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

  #public-header .nav-links a:hover {
    background-color: rgba(255, 107, 53, 0.06);
  }

  #public-header .nav-links a:active {
    background-color: rgba(255, 107, 53, 0.12);
  }

  #public-header .nav-links a.active {
    color: var(--primary, #FF6B35);
    font-weight: 600;
    background-color: rgba(255, 107, 53, 0.06);
  }

  /* Login CTA inside mobile menu */
  #public-header .nav-cta {
    padding: 0.75rem 1rem 1rem;
    border-top: 1px solid rgba(0, 0, 0, 0.06);
    margin-top: 0.25rem;
  }

  #public-header .nav-cta .btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 0.95rem;
    font-weight: 600;
    background-color: var(--primary, #FF6B35);
    color: #fff;
    border: none;
    border-radius: 12px;
    text-decoration: none;
    min-height: 44px;
    box-shadow: 0 2px 8px rgba(255, 107, 53, 0.25);
  }

  #public-header .nav-cta .btn:active {
    opacity: 0.85;
    transform: scale(0.98);
  }
}

@media (max-width: 393px) {
  #public-header .logo {
    font-size: 1.2rem;
  }

  #public-header .logo i {
    font-size: 1.3rem;
  }

  #public-header .nav-links a {
    font-size: 0.9rem;
    padding: 0.75rem 1.25rem;
  }

  #public-header .nav-cta .btn {
    font-size: 0.9rem;
    padding: 0.65rem 0.75rem;
  }
}

@media (max-width: 375px) {
  #public-header .logo {
    font-size: 1.1rem;
  }

  #public-header .logo i {
    font-size: 1.2rem;
  }

  #public-header .nav-links a {
    font-size: 0.85rem;
    padding: 0.7rem 1rem;
  }

  #public-header .nav-cta .btn {
    font-size: 0.85rem;
    padding: 0.6rem 0.75rem;
  }
}

/* ===== DARK MODE ===== */
@media (prefers-color-scheme: dark) {
  #public-header {
    background-color: rgba(26, 32, 44, 0.92);
    border-bottom-color: rgba(255, 255, 255, 0.08);
  }

  #public-header.scrolled {
    background-color: rgba(26, 32, 44, 0.95);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  }

  #public-header .logo {
    color: var(--primary-light, #FF9E71);
  }

  #public-header .nav-links a {
    color: var(--text-primary, #f7fafc);
  }

  #public-header .nav-links a:hover {
    color: var(--primary-light, #FF9E71);
  }

  #public-header .nav-toggle {
    color: var(--text-primary, #f7fafc);
  }

  #public-header .nav-toggle:hover {
    background-color: rgba(255, 255, 255, 0.08);
  }

  #public-header .nav-toggle:active {
    background-color: rgba(255, 255, 255, 0.12);
  }
}

@media (prefers-color-scheme: dark) and (max-width: 768px) {
  #public-header .nav-menu {
    background: rgba(45, 55, 72, 0.92);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    border-color: rgba(255, 255, 255, 0.1);
  }

  #public-header .nav-links a {
    color: var(--text-primary, #f7fafc);
  }

  #public-header .nav-links a:hover {
    background-color: rgba(255, 107, 53, 0.1);
  }

  #public-header .nav-links a:active {
    background-color: rgba(255, 107, 53, 0.18);
  }

  #public-header .nav-links a.active {
    color: var(--primary-light, #FF9E71);
    background-color: rgba(255, 107, 53, 0.1);
  }

  #public-header .nav-cta {
    border-top-color: rgba(255, 255, 255, 0.08);
  }
}

/* ===== DARK MODE — Base page styles for public pages ===== */
/* Provides minimum dark mode support so header doesn't clash with white content */
@media (prefers-color-scheme: dark) {
  body {
    background-color: #1a202c;
    color: #e2e8f0;
  }

  h1, h2, h3, h4, h5, h6 {
    color: #f7fafc;
  }

  a {
    color: var(--primary-light, #FF9E71);
  }

  .container {
    color: #e2e8f0;
  }

  /* Cards and surfaces */
  .card,
  .info-card,
  .feature-card,
  .blog-card,
  .faq-item,
  .value-card,
  .team-card,
  .stat-card,
  .press-card,
  .ngo-card,
  .login-container {
    background-color: #2d3748;
    color: #e2e8f0;
    border-color: rgba(255, 255, 255, 0.08);
  }

  /* Sections with light backgrounds */
  section,
  .hero-section,
  .section {
    background-color: transparent;
  }

  section:nth-child(even) {
    background-color: rgba(45, 55, 72, 0.3);
  }

  /* Inputs and forms */
  input, textarea, select {
    background-color: #2d3748;
    color: #e2e8f0;
    border-color: rgba(255, 255, 255, 0.15);
  }

  input::placeholder, textarea::placeholder {
    color: #718096;
  }

  /* Buttons */
  .btn-outline {
    border-color: rgba(255, 255, 255, 0.2);
    color: #e2e8f0;
  }

  .btn-outline:hover {
    background: rgba(255, 107, 53, 0.1);
    border-color: var(--primary-light, #FF9E71);
    color: var(--primary-light, #FF9E71);
  }

  .btn-secondary {
    color: var(--primary-light, #FF9E71);
    border-color: var(--primary-light, #FF9E71);
  }

  .btn-tertiary {
    color: #e2e8f0;
    border-color: rgba(255, 255, 255, 0.2);
  }

  /* Footer */
  footer {
    background-color: #171923 !important;
    color: #a0aec0;
  }

  footer h3, footer h4 {
    color: #e2e8f0;
  }

  footer a {
    color: #a0aec0;
  }

  footer a:hover {
    color: var(--primary-light, #FF9E71);
  }

  /* Dividers and borders */
  hr, .divider {
    border-color: rgba(255, 255, 255, 0.1);
  }

  /* Text colors */
  .text-muted, .subtitle, p {
    color: #a0aec0;
  }

  /* Back to dashboard bar */
  #back-to-dashboard {
    background-color: #2d3748;
    border-bottom-color: rgba(255, 255, 255, 0.08);
  }

  #back-to-dashboard a {
    color: #e2e8f0;
  }
}