/* ==========================================================================
   OpenBird Solutions Design System — Components
   Glassmorphism, Floating Navigation, Cards, Buttons, Modals, Forms & Footer
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Floating Glass Navigation Bar
   -------------------------------------------------------------------------- */
.navbar-wrapper {
  position: fixed;
  top: 16px;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0 clamp(1rem, 3vw, 2rem);
  pointer-events: none;
}

.glass-navbar {
  pointer-events: auto;
  max-width: var(--container-max);
  margin: 0 auto;
  height: var(--nav-height);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 14px 0 20px;
  transition: all var(--transition-normal);
}

.glass-navbar.scrolled {
  background: rgba(255, 255, 255, 0.88);
  border-color: rgba(0, 0, 0, 0.09);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.07);
}

/* Brand Logo */
.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.brand-icon {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 2px 10px rgba(0, 102, 204, 0.25);
  transition: transform var(--transition-bounce);
}

.brand-logo:hover .brand-icon {
  transform: scale(1.08) rotate(3deg);
}

.brand-name {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
}

.brand-subtitle {
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--brand-primary);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* Desktop Navigation Menu */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 6px;
  list-style: none;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 8px 14px;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-primary);
  background: rgba(0, 0, 0, 0.04);
}

.nav-link svg.chevron {
  width: 14px;
  height: 14px;
  transition: transform var(--transition-fast);
}

.nav-item:hover .nav-link svg.chevron {
  transform: rotate(180deg);
}

/* Mega-Menu / Dropdown */
.nav-dropdown {
  position: absolute;
  top: calc(100% + 12px);
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  min-width: 280px;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: var(--glass-blur-lg);
  -webkit-backdrop-filter: var(--glass-blur-lg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 48px -10px rgba(0, 0, 0, 0.12), 0 2px 6px rgba(0, 0, 0, 0.04);
  padding: 10px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: all var(--transition-fast);
  z-index: 100;
}

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

.dropdown-link {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--radius-md);
  text-decoration: none;
  color: var(--text-primary);
  transition: background var(--transition-fast);
}

.dropdown-link:hover {
  background: rgba(0, 102, 204, 0.06);
}

.dropdown-icon {
  width: 34px;
  height: 34px;
  background: var(--brand-light);
  color: var(--brand-primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform var(--transition-bounce);
}

.dropdown-link:hover .dropdown-icon {
  transform: scale(1.1);
  background: var(--brand-primary);
  color: #fff;
}

.dropdown-info {
  display: flex;
  flex-direction: column;
}

.dropdown-title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-primary);
}

.dropdown-desc {
  font-size: 0.78rem;
  color: var(--text-tertiary);
  line-height: 1.35;
  margin-top: 2px;
}

/* Nav Actions (Right Side) */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Mobile Hamburger Toggle */
.mobile-nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.04);
  color: var(--text-primary);
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 1px solid rgba(0, 0, 0, 0.05);
}

.mobile-nav-toggle:hover {
  background: rgba(0, 0, 0, 0.08);
}

/* Fullscreen Glass Mobile Menu Drawer */
.mobile-menu-drawer {
  position: fixed;
  inset: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(28px);
  -webkit-backdrop-filter: blur(28px);
  z-index: 999;
  display: flex;
  flex-direction: column;
  padding: 96px 24px 36px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-20px);
  transition: all var(--transition-normal);
  overflow-y: auto;
}

.mobile-menu-drawer.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.mobile-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 24px;
}

.mobile-nav-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-primary);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: background var(--transition-fast);
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
  background: rgba(0, 102, 204, 0.08);
  color: var(--brand-primary);
}

.mobile-nav-sublinks {
  padding-left: 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 4px;
  margin-bottom: 8px;
  border-left: 2px solid rgba(0, 102, 204, 0.2);
}

.mobile-nav-sublink {
  padding: 8px 12px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  text-decoration: none;
}

.mobile-nav-sublink:hover {
  color: var(--brand-primary);
}

/* --------------------------------------------------------------------------
   2. Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 22px;
  font-size: 0.9375rem;
  font-weight: 500;
  border-radius: var(--radius-full);
  transition: all var(--transition-normal);
  cursor: pointer;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn-lg {
  padding: 14px 28px;
  font-size: 1.05rem;
  font-weight: 600;
}

.btn-sm {
  padding: 7px 16px;
  font-size: 0.8125rem;
  font-weight: 500;
}

.btn-primary {
  background: var(--brand-vibrant);
  color: #ffffff;
  box-shadow: 0 4px 18px rgba(0, 113, 227, 0.35);
}

.btn-primary:hover {
  background: var(--brand-primary-hover);
  box-shadow: 0 6px 24px rgba(0, 113, 227, 0.45);
  transform: translateY(-2px);
  color: #ffffff;
}

.btn-secondary {
  background: rgba(0, 0, 0, 0.05);
  color: var(--text-primary);
  border: 1px solid rgba(0, 0, 0, 0.08);
}

.btn-secondary:hover {
  background: rgba(0, 0, 0, 0.09);
  color: var(--text-primary);
  transform: translateY(-2px);
}

.btn-glass {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  color: var(--text-primary);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
}

.btn-glass:hover {
  background: var(--glass-bg-hover);
  border-color: rgba(0, 102, 204, 0.3);
  transform: translateY(-2px);
  color: var(--brand-primary);
}

.btn-dark {
  background: #11151e;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-dark:hover {
  background: #1d2331;
  color: #fff;
  transform: translateY(-2px);
}

/* --------------------------------------------------------------------------
   3. Glass Cards
   -------------------------------------------------------------------------- */
.glass-card {
  background: var(--bg-card);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: clamp(1.5rem, 3vw, 2.5rem);
  box-shadow: var(--glass-shadow);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.glass-card-interactive {
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
}

.glass-card-interactive:hover {
  transform: translateY(-4px);
  background: var(--bg-card-hover);
  border-color: rgba(0, 102, 204, 0.25);
  box-shadow: var(--glass-shadow-hover);
}

.glass-card-dark {
  background: var(--dark-card);
  border-color: var(--dark-border);
  color: var(--dark-text-primary);
}

.glass-card-dark h1,
.glass-card-dark h2,
.glass-card-dark h3,
.glass-card-dark h4 {
  color: var(--dark-text-primary);
}

.glass-card-dark p {
  color: var(--dark-text-secondary);
}

.card-icon-wrapper {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: var(--brand-light);
  color: var(--brand-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-lg);
  font-size: 1.5rem;
  transition: transform var(--transition-bounce), background var(--transition-fast);
}

.glass-card-interactive:hover .card-icon-wrapper {
  transform: scale(1.1) rotate(-3deg);
  background: var(--brand-vibrant);
  color: #fff;
}

/* --------------------------------------------------------------------------
   4. Form Components (Glass Inputs)
   -------------------------------------------------------------------------- */
.form-group {
  margin-bottom: 20px;
  text-align: left;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.glass-input {
  width: 100%;
  padding: 13px 18px;
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  outline: none;
}

.glass-input:focus {
  background: #ffffff;
  border-color: var(--brand-vibrant);
  box-shadow: 0 0 0 4px rgba(0, 113, 227, 0.15);
}

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

textarea.glass-input {
  min-height: 130px;
  resize: vertical;
}

.input-error-msg {
  font-size: 0.8125rem;
  color: #e53e3e;
  margin-top: 6px;
  display: none;
}

.input-error-msg.visible {
  display: block;
}

/* --------------------------------------------------------------------------
   5. Interactive Modals
   -------------------------------------------------------------------------- */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.modal-backdrop.open {
  opacity: 1;
  visibility: visible;
}

.modal-dialog {
  width: 100%;
  max-width: 580px;
  background: #ffffff;
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: var(--radius-2xl);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  padding: clamp(1.75rem, 4vw, 2.75rem);
  position: relative;
  transform: scale(0.92) translateY(20px);
  transition: all var(--transition-normal);
  max-height: 90vh;
  overflow-y: auto;
}

.modal-backdrop.open .modal-dialog {
  transform: scale(1) translateY(0);
}

.modal-close-btn {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.05);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.modal-close-btn:hover {
  background: rgba(0, 0, 0, 0.1);
  color: var(--text-primary);
}

/* --------------------------------------------------------------------------
   6. Toast Notifications
   -------------------------------------------------------------------------- */
.toast-container {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 3000;
  display: flex;
  flex-direction: column;
  gap: 12px;
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 22px;
  background: #ffffff;
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: var(--radius-full);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
  color: var(--text-primary);
  font-size: 0.9375rem;
  font-weight: 500;
  transform: translateY(20px);
  opacity: 0;
  transition: all var(--transition-normal);
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

.toast.toast-success svg {
  color: #10b981;
}

/* --------------------------------------------------------------------------
   7. Call to Action Banner (Glass Glow)
   -------------------------------------------------------------------------- */
.cta-banner-glass {
  background: linear-gradient(135deg, rgba(13, 18, 28, 0.95) 0%, rgba(20, 27, 41, 0.95) 100%);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-2xl);
  padding: clamp(3rem, 6vw, 5.5rem) clamp(1.5rem, 4vw, 4rem);
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.25);
}

.cta-banner-glass::before {
  content: "";
  position: absolute;
  top: -50%;
  left: 50%;
  transform: translateX(-50%);
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(0, 113, 227, 0.35) 0%, transparent 65%);
  pointer-events: none;
}

.cta-banner-glass h2 {
  color: #ffffff;
  font-size: clamp(2.2rem, 4.5vw, 3.4rem);
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}

.cta-banner-glass p {
  color: #a1a1a6;
  max-width: 620px;
  margin: 0 auto 32px;
  font-size: clamp(1.05rem, 1.8vw, 1.25rem);
}

/* --------------------------------------------------------------------------
   8. Global Site Footer
   -------------------------------------------------------------------------- */
.site-footer {
  background: #f5f5f7;
  border-top: 1px solid rgba(0, 0, 0, 0.06);
  padding: clamp(3.5rem, 6vw, 5rem) 0 2.5rem;
  margin-top: auto;
  position: relative;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: clamp(2rem, 4vw, 3.5rem);
  margin-bottom: clamp(2.5rem, 4vw, 4rem);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footer-brand p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 320px;
}

.footer-heading {
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-primary);
  margin-bottom: 18px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 11px;
}

.footer-links a {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--brand-primary);
}

.footer-bottom {
  border-top: 1px solid rgba(0, 0, 0, 0.07);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.875rem;
  color: var(--text-tertiary);
}

.footer-legal-links {
  display: flex;
  align-items: center;
  gap: 20px;
}

.footer-legal-links a {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.footer-legal-links a:hover {
  color: var(--brand-primary);
}

/* Responsive Breakpoints for Components */
@media (max-width: 992px) {
  .nav-menu {
    display: none;
  }
  .mobile-nav-toggle {
    display: flex;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}