:root {
  /* Muted, less vibrant orange tones */
  --brand: #e45e2a;       /* primary */
  --brand-light: #f07a50; /* hover/light accents */
  --brand-dark: #c34a1f;  /* pressed/dark accents */
}

/* Global font: Work Sans */
body {
  font-family: "Work Sans", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
}

.bg-brand {
  background-color: var(--brand);
}

.bg-brand-light {
  background-color: var(--brand-light);
}

.text-brand {
  color: var(--brand);
}

.hover-border-brand:hover {
  border-color: var(--brand);
}

.focus-border-brand:focus {
  border-color: var(--brand);
}

.btn-brand {
  background-color: var(--brand);
}

.btn-brand:hover {
  background-color: var(--brand-dark);
}

.message-row {
  display: flex;
  max-width: 70%;
  margin-left: auto;
  margin-right: auto;
}

.message-row.user {
  justify-content: flex-end;
}

.message-row.bot {
  justify-content: flex-start;
}

.message-content {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.user-bubble,
.bot-bubble {
  border-radius: 1rem;
  padding: 0.75rem 1rem;
  max-width: 100%;
  color: #fff;
  word-break: break-word;
}

.user-bubble {
  background-color: #374151; /* gray-700 */
}

.bot-bubble {
  background-color: #1f2937; /* gray-800 */
}

.user-avatar,
.bot-avatar {
  width: 2rem;
  height: 2rem;
  border-radius: 9999px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
}

.user-avatar {
  background-color: #4b5563; /* gray-600 */
}

.bot-avatar {
  background-color: var(--brand);
  font-size: 0.75rem;
  font-weight: 700;
}

.typing {
  color: #9ca3af;
  font-style: italic;
}

/* Starry background */
.star {
  position: absolute;
  background-color: #fff;
  transform: rotate(45deg);
  opacity: 0.12;
  pointer-events: none;
  animation: twinkle 4s infinite;
}

@keyframes twinkle {
  0%,
  100% {
    opacity: 0.12;
  }
  50% {
    opacity: 0.5;
  }
}

.twinkle {
  animation: twinkle 4s infinite;
}

.twinkle-delay-1 {
  animation-delay: 1s;
}

.twinkle-delay-2 {
  animation-delay: 2s;
}

.twinkle-delay-3 {
  animation-delay: 3s;
}

.chat-panel {
  transition: transform 0.3s ease-out;
}

.chat-panel.closed {
  transform: translateY(100%);
}

.chat-panel.open {
  transform: translateY(0);
}

@media (min-width: 768px) {
  .chat-panel {
    transform: translateX(100%);
  }
  .chat-panel.open {
    transform: translateX(0);
  }
}

/* Custom scrollbar for chat messages */
.chat-messages::-webkit-scrollbar {
  width: 6px;
}

.chat-messages::-webkit-scrollbar-track {
  background: #1a1a1a;
}

.chat-messages::-webkit-scrollbar-thumb {
  background: var(--brand);
  border-radius: 3px;
}

/* Message enter animation */
.message-row.enter {
  opacity: 0;
  transform: translateY(10px);
}
.message-row.enter.show {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 480ms ease, transform 480ms ease;
}

/* Bubble content cross-fade when swapping typing → answer */
.bot-bubble .bubble-content {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 320ms ease, transform 320ms ease;
}
.bot-bubble .bubble-content.hidden {
  opacity: 0;
  transform: translateY(4px);
}

/* Citations dropdown */
.citations {
  margin-top: 0.5rem;
}
.citations summary {
  cursor: pointer;
  color: var(--brand);
  font-size: 0.875rem;
}
.citations ul {
  margin-top: 0.25rem;
  font-size: 0.75rem;
  color: #9ca3af;
  padding-left: 1rem;
}

/* Mobile menu animation */
#mobileMenu {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

#mobileMenu.open {
  max-height: 500px;
  border-top: 1px solid #1f2937; /* border-gray-800 */
}

/* Center the input row and match message width */
.chat-input-row {
  max-width: 70%;
  margin-left: auto;
  margin-right: auto;
}

/* Mobile: use full width for messages and input */
@media (max-width: 767px) {
  .message-row {
    max-width: 100%;
  }
  .chat-input-row {
    max-width: 100%;
  }
}

/* Remove the horizontal line above the chat heading */
#chatSection {
  border-top: none !important;
}

/* Remove navbar bottom border to clear line above chat */
nav {
  border-bottom: none !important;
}

/* Navbar hide/show on scroll */
body {
  /* reserve space for fixed navbar (set via JS) */
  padding-top: var(--nav-height, 0px);
}

#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  transform: translateY(0);
  transition: transform 220ms ease;
  will-change: transform;
}

#navbar.navbar--hidden {
  transform: translateY(-100%);
}

#navbar.navbar--visible {
  transform: translateY(0);
}

/* Nav link active state */
.nav-link {
  position: relative;
}
.nav-link.nav-active {
  color: #ffffff !important;
}
.nav-link.nav-active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -6px;
  height: 2px;
  background: var(--brand);
  opacity: 0.9;
}

/* Extra spacing between section titles and content */
#products > h2,
#value > h2,
#contact > h2,
section.text-center > h2 {
  margin-bottom: 3rem !important; /* ~mb-12 */
}