/* ============================================
   COMPONENT STYLES
   ============================================ */

/* Navigation Bar (Apple-style glass) */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: all var(--transition-base);
  background: transparent;
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.05);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.navbar-logo {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-black);
  letter-spacing: -0.02em;
}

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

.navbar-menu a {
  font-size: var(--font-size-base);
  font-weight: 500;
  color: var(--color-text);
  transition: color var(--transition-fast);
}

.navbar-menu a:hover {
  color: var(--color-primary);
}

.navbar-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--color-black);
}

/* Mobile Menu */
@media (max-width: 768px) {
  .navbar-toggle {
    display: block;
  }
  
  .navbar-menu {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    padding: var(--space-xl);
    gap: var(--space-lg);
    transform: translateY(-100%);
    opacity: 0;
    transition: all var(--transition-base);
    pointer-events: none;
  }
  
  .navbar-menu.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  font-size: var(--font-size-base);
  font-weight: 600;
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-white);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  background: var(--color-primary-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: var(--color-white);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn-outline:hover {
  background: var(--blue-100);
  color: var(--color-primary);
}

.btn-lg {
  padding: 18px 48px;
  font-size: var(--font-size-lg);
}

.btn-sm {
  padding: 10px 24px;
  font-size: var(--font-size-sm);
}

/* Cards */
.card {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.card-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--blue-500), var(--blue-700));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  margin-bottom: var(--space-lg);
}

.card-title {
  font-size: var(--font-size-2xl);
  font-weight: 600;
  margin-bottom: var(--space-md);
  color: var(--color-black);
}

.card-description {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* Form Elements */
.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-sm);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 14px 20px;
  font-size: var(--font-size-base);
  border: 1px solid #E0E0E0;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  font-family: inherit;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--blue-100);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 16px;
  font-size: var(--font-size-sm);
  font-weight: 600;
  border-radius: var(--radius-full);
  background: var(--blue-100);
  color: var(--color-primary);
}

.badge-success {
  background: #E8F5E9;
  color: #2E7D32;
}

/* Animations */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

.fade-in {
  animation: fadeIn 0.6s ease-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Stagger Animation */
.stagger-item {
  opacity: 0;
  transform: translateY(30px);
  animation: staggerFadeIn 0.6s ease-out forwards;
}

.stagger-item:nth-child(1) { animation-delay: 0.1s; }
.stagger-item:nth-child(2) { animation-delay: 0.2s; }
.stagger-item:nth-child(3) { animation-delay: 0.3s; }
.stagger-item:nth-child(4) { animation-delay: 0.4s; }
.stagger-item:nth-child(5) { animation-delay: 0.5s; }
.stagger-item:nth-child(6) { animation-delay: 0.6s; }

@keyframes staggerFadeIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* AI Chat Widget */
#ai-chat-btn {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 64px;
  height: 64px;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: 50%;
  border: none;
  font-size: 28px;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-base);
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
}

#ai-chat-btn:hover {
  transform: scale(1.1);
  box-shadow: var(--shadow-xl);
}

#ai-chat-panel {
  position: fixed;
  bottom: 112px;
  right: 32px;
  width: 400px;
  height: 600px;
  background: var(--color-white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  z-index: 998;
  transform: translateY(20px) scale(0.95);
  opacity: 0;
  pointer-events: none;
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

#ai-chat-panel.open {
  transform: translateY(0) scale(1);
  opacity: 1;
  pointer-events: all;
}

.chat-header {
  padding: var(--space-lg);
  background: linear-gradient(135deg, var(--blue-700), var(--blue-500));
  color: var(--color-white);
  font-weight: 600;
  font-size: var(--font-size-lg);
}

.chat-body {
  flex: 1;
  padding: var(--space-lg);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.chat-message {
  padding: 12px 16px;
  border-radius: var(--radius-md);
  max-width: 80%;
  font-size: var(--font-size-sm);
  line-height: 1.5;
}

.chat-message.user {
  align-self: flex-end;
  background: var(--color-primary);
  color: var(--color-white);
  border-bottom-right-radius: 4px;
}

.chat-message.ai {
  align-self: flex-start;
  background: var(--blue-100);
  color: var(--color-text);
  border-bottom-left-radius: 4px;
}

.chat-input-wrapper {
  padding: var(--space-lg);
  border-top: 1px solid #E0E0E0;
  display: flex;
  gap: var(--space-sm);
}

#chat-input {
  flex: 1;
  padding: 12px 16px;
  border: 1px solid #E0E0E0;
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-family: inherit;
}

#chat-send {
  padding: 12px 24px;
  background: var(--color-primary);
  color: var(--color-white);
  border: none;
  border-radius: var(--radius-md);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

#chat-send:hover {
  background: var(--color-primary-light);
}

@media (max-width: 768px) {
  #ai-chat-panel {
    width: calc(100vw - 32px);
    right: 16px;
    bottom: 96px;
  }
  
  #ai-chat-btn {
    right: 16px;
    bottom: 16px;
  }
}