/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  font-family: inherit;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition:
    transform 0.2s ease,
    background 0.25s ease,
    border-color 0.25s ease;
}

.btn:active {
  transform: translateY(1px);
}

.btn--primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.btn--primary:hover {
  background: color-mix(in srgb, var(--accent) 88%, #000);
  border-color: color-mix(in srgb, var(--accent) 88%, #000);
}

/* AI-only CTA — teal gradient */
.btn--ai {
  background: var(--ai-gradient);
  color: #fff;
  border-color: transparent;
}

.btn--ai:hover {
  filter: brightness(1.06);
}

/* Explore AI — logo brand gradient (teal → orange) + shimmer + sparkle icon */
.btn--explore-ai {
  position: relative;
  overflow: hidden;
  background: linear-gradient(115deg, #075056 0%, #FF5B04 60%, #FFD1A8 100%);
  color: #fff;
  border-color: transparent;
  isolation: isolate;
}

.btn--explore-ai::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    115deg,
    transparent 0%,
    rgba(255, 255, 255, 0.22) 42%,
    transparent 58%
  );
  transform: translateX(-120%);
  animation: btn-explore-shimmer 2.8s ease-in-out infinite;
  pointer-events: none;
  z-index: 0;
}

.btn--explore-ai > * {
  position: relative;
  z-index: 1;
}

.btn--explore-ai:hover {
  filter: brightness(1.07);
}

.btn--explore-ai__spark {
  display: inline-flex;
  flex-shrink: 0;
  filter: drop-shadow(0 0 6px rgba(255, 255, 255, 0.55));
}

@keyframes btn-explore-shimmer {
  0% {
    transform: translateX(-120%);
  }

  45%,
  100% {
    transform: translateX(120%);
  }
}

@media (prefers-reduced-motion: reduce) {
  .btn--explore-ai::before {
    animation: none;
  }
}

.btn--outline {
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}

.btn--outline:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn--ghost {
  background: transparent;
  color: var(--text-muted);
}

.btn--ghost:hover {
  color: var(--text);
  background: var(--bg-muted);
}

.btn--sm {
  padding: var(--space-2) var(--space-3);
  font-size: 0.875rem;
}

.btn--lg {
  padding: var(--space-4) var(--space-5);
  font-size: 1rem;
}

.btn--block {
  width: 100%;
}

/* Header */
#site-header-root:empty {
  min-height: var(--header-h);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  min-height: var(--header-h);
  height: auto;
  display: flex;
  align-items: center;
  padding-block: var(--space-2);
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  transition: var(--transition-theme);
}

.header__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2) var(--space-3);
  row-gap: var(--space-2);
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 700;
  font-size: 0.875rem;
  letter-spacing: -0.02em;
  flex: 0 0 auto;
}

.logo__mark {
  display: flex;
  color: var(--accent);
  flex-shrink: 0;
}

.logo__text {
  white-space: nowrap;
}

/* Compact wordmark on mid-width desktops — link keeps aria-label for accessibility */
@media (max-width: 1200px) {
  .logo__text {
    font-size: 0;
    letter-spacing: 0;
  }

  .logo__text::after {
    content: "MW";
    font-size: 0.8125rem;
    font-weight: 800;
    letter-spacing: -0.03em;
  }
}

.logo--footer .logo__mark {
  color: var(--accent);
}

.nav {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  justify-content: center;
}

@media (min-width: 901px) {
  .header__inner {
    flex-wrap: nowrap;
    align-items: center;
    gap: var(--space-2);
  }

  .nav {
    flex: 1 1 0;
    min-width: 0;
    max-width: min(680px, 56vw);
    justify-content: center;
  }
}

.nav__list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 0 var(--space-1);
  row-gap: 2px;
  list-style: none;
  margin: 0;
  padding: 0;
}

@media (min-width: 901px) {
  .nav__list {
    justify-content: center;
    gap: 0 clamp(2px, 0.4vw, 8px);
    row-gap: 2px;
    max-width: none;
    overflow: visible;
  }
}

.nav__item {
  flex: 0 0 auto;
}

.nav__link {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--text-muted);
  padding: 5px clamp(4px, 0.45vw, 8px);
  position: relative;
  border-radius: 6px;
  white-space: nowrap;
}

@media (min-width: 1100px) {
  .nav__link {
    font-size: 0.8125rem;
    padding: 6px clamp(5px, 0.5vw, 10px);
  }
}

.nav__link:hover {
  color: var(--text);
  text-decoration: none;
  background: color-mix(in srgb, var(--accent) 6%, transparent);
}

@media (min-width: 901px) {
  .nav__link--signin {
    margin-left: 2px;
    border: 1px solid var(--border);
    background: color-mix(in srgb, var(--bg-muted) 80%, var(--bg-elevated));
  }

  .nav__link--signin:hover {
    border-color: color-mix(in srgb, var(--accent) 45%, var(--border));
    background: var(--accent-soft);
  }

  .nav__link--signin.is-active {
    border-color: color-mix(in srgb, var(--accent) 55%, var(--border));
  }
}

.nav__link.is-active {
  color: var(--accent);
}

.nav__link.is-active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

.header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-shrink: 0;
}

/* Appearance popover — theme mode + accent swatches */
.appearance {
  position: relative;
  flex-shrink: 0;
}

.appearance__trigger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: 40px;
  min-width: 40px;
  height: 40px;
  padding: 0;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text-muted);
  cursor: pointer;
  transition:
    border-color 0.2s ease,
    background 0.2s ease,
    color 0.2s ease,
    box-shadow 0.2s ease;
}

.appearance__trigger:hover {
  border-color: color-mix(in srgb, var(--accent) 35%, var(--border));
  color: var(--text);
  background: color-mix(in srgb, var(--accent-soft) 55%, var(--bg-elevated));
}

.appearance__trigger[aria-expanded="true"] {
  border-color: color-mix(in srgb, var(--accent) 45%, var(--border));
  color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent);
}

.appearance__trigger svg {
  flex-shrink: 0;
}

.appearance__accent-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--bg-elevated);
  box-shadow: 0 0 0 1px var(--border);
  flex-shrink: 0;
}

.appearance__panel {
  position: absolute;
  right: 0;
  top: calc(100% + var(--space-2));
  z-index: calc(var(--z-header) + 2);
  width: min(280px, calc(100vw - var(--space-8)));
  padding: var(--space-4);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  box-shadow:
    0 12px 40px color-mix(in srgb, var(--text) 12%, transparent),
    0 0 0 1px color-mix(in srgb, var(--border) 50%, transparent);
}

.appearance__panel[hidden] {
  display: none !important;
}

.appearance__section-label {
  margin: 0 0 var(--space-2);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.appearance__section-label:not(:first-child) {
  margin-top: var(--space-4);
}

.appearance__modes {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2);
}

.appearance__mode-btn {
  padding: var(--space-2) var(--space-3);
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-muted);
  color: var(--text);
  cursor: pointer;
  transition:
    border-color 0.2s ease,
    background 0.2s ease,
    color 0.2s ease;
}

.appearance__mode-btn:hover {
  border-color: color-mix(in srgb, var(--accent) 40%, var(--border));
}

.appearance__mode-btn.is-active {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent);
}

.appearance__swatches {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.appearance__swatch {
  width: 32px;
  height: 32px;
  padding: 0;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
  transition:
    transform 0.15s ease,
    box-shadow 0.15s ease;
}

.appearance__swatch:hover {
  transform: scale(1.08);
}

.appearance__swatch.is-active {
  box-shadow: 0 0 0 2px var(--bg-elevated), 0 0 0 4px var(--accent);
}

.appearance__swatch:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.appearance__swatch--teal {
  background: linear-gradient(145deg, #0d9488, #14b8a6);
}

.appearance__swatch--ocean {
  background: linear-gradient(145deg, #0369a1, #38bdf8);
}

.appearance__swatch--violet {
  background: linear-gradient(145deg, #6d28d9, #a78bfa);
}

.appearance__swatch--rose {
  background: linear-gradient(145deg, #be123c, #fb7185);
}

.appearance__swatch--amber {
  background: linear-gradient(145deg, #b45309, #fbbf24);
}

.appearance__swatch--emerald {
  background: linear-gradient(145deg, #047857, #34d399);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
  background: transparent;
  border: none;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 1px;
}

@media (max-width: 900px) {
  .nav {
    position: fixed;
    left: var(--space-4);
    right: var(--space-4);
    top: calc(var(--header-h) + var(--space-2));
    flex: none;
    width: auto;
    max-width: none;
    justify-content: stretch;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: var(--space-4);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px);
    transition:
      opacity 0.25s ease,
      transform 0.25s ease;
  }

  .nav.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-1);
    width: 100%;
  }

  .nav__link {
    font-size: 0.9375rem;
    padding: var(--space-3);
    white-space: normal;
    border-radius: var(--radius-sm);
  }

  .nav-toggle {
    display: flex;
  }

  .header__actions .btn--primary {
    display: none;
  }
}

/* Cards & fields */
.card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  transition: var(--transition-theme);
}

.field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.field__label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-muted);
}

.field__hint {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.input,
.select {
  font-family: inherit;
  font-size: 0.9375rem;
  padding: var(--space-3);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  transition:
    border-color 0.2s ease,
    box-shadow 0.2s ease;
}

.input:focus,
.select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

textarea.input {
  min-height: 100px;
  resize: vertical;
}

.input--color {
  height: 44px;
  padding: var(--space-2);
  cursor: pointer;
}

.range {
  width: 100%;
  accent-color: var(--accent);
}

/* Eyebrows */
.eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin: 0 0 var(--space-3);
}

.eyebrow--ai {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--ai-cyan);
}

.eyebrow__pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--ai-mint);
  animation: eyebrow-pulse 2.5s ease-out infinite;
}

@keyframes eyebrow-pulse {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.45;
    transform: scale(0.85);
  }
}

/* Tabs */
.tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
}

.tabs__tab {
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text-muted);
  cursor: pointer;
  transition:
    background 0.2s ease,
    color 0.2s ease,
    border-color 0.2s ease;
}

.tabs__tab:hover {
  color: var(--text);
  border-color: var(--accent);
}

.tabs__tab.is-active {
  color: #fff;
  background: var(--accent);
  border-color: var(--accent);
}

.tabs__panel {
  padding: var(--space-5);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--bg-elevated);
}

.check-list {
  margin: 0;
  padding-left: var(--space-5);
  color: var(--text-muted);
}

.check-list li {
  margin-bottom: var(--space-3);
}

.check-list li::marker {
  color: var(--accent);
}

/* Chat widget */
.chat-widget {
  position: fixed;
  right: var(--space-5);
  bottom: var(--space-5);
  z-index: var(--z-chat);
}

.chat-widget__toggle {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: 1px solid color-mix(in srgb, var(--accent) 35%, var(--border));
  cursor: pointer;
  background: var(--ai-gradient);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  transition:
    transform 0.2s ease,
    width 0.25s ease,
    height 0.25s ease,
    opacity 0.25s ease;
}

.chat-widget__toggle:hover {
  transform: scale(1.05);
}

/* Minimized launcher — smaller, quieter until first open */
.chat-widget--compact .chat-widget__toggle {
  width: 42px;
  height: 42px;
  opacity: 0.82;
}

.chat-widget--compact .chat-widget__toggle svg {
  width: 20px;
  height: 20px;
}

.chat-widget--compact:hover .chat-widget__toggle {
  opacity: 0.95;
}

.chat-widget__panel {
  position: absolute;
  right: 0;
  bottom: 72px;
  width: min(360px, calc(100vw - var(--space-6)));
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  flex-direction: column;
  max-height: min(420px, 70vh);
}

/* `hidden` must win over display:flex or the panel stays visible and “close” fails */
.chat-widget__panel:not([hidden]) {
  display: flex;
}

.chat-widget__panel[hidden] {
  display: none !important;
}

.chat-widget--compact .chat-widget__panel {
  bottom: 52px;
}

.chat-widget__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--border);
  font-weight: 600;
  font-size: 0.875rem;
}

.chat-widget__close {
  border: none;
  background: transparent;
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  color: var(--text-muted);
  padding: var(--space-2);
  margin: calc(var(--space-2) * -1);
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  min-height: 40px;
}

.chat-widget__close:hover {
  color: var(--text);
  background: var(--bg-muted);
}

.chat-widget__close:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.chat-widget__messages {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  font-size: 0.875rem;
}

.chat-bubble {
  padding: var(--space-3);
  border-radius: var(--radius-sm);
  max-width: 85%;
}

.chat-bubble--user {
  align-self: flex-end;
  background: var(--accent-soft);
  color: var(--text);
}

.chat-bubble--ai {
  align-self: flex-start;
  background: var(--bg-muted);
  border: 1px solid var(--border);
}

.chat-bubble--typing {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: var(--space-3) var(--space-4);
}

.chat-bubble--typing span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--text-muted);
  opacity: 0.55;
  animation: chat-typing-dot 1s ease-in-out infinite;
}

.chat-bubble--typing span:nth-child(2) {
  animation-delay: 0.15s;
}

.chat-bubble--typing span:nth-child(3) {
  animation-delay: 0.3s;
}

@keyframes chat-typing-dot {
  0%,
  80%,
  100% {
    transform: translateY(0);
    opacity: 0.35;
  }

  40% {
    transform: translateY(-5px);
    opacity: 0.95;
  }
}

@media (prefers-reduced-motion: reduce) {
  .chat-bubble--typing span {
    animation: none;
    opacity: 0.65;
  }
}

.chat-widget__form {
  display: flex;
  gap: var(--space-2);
  padding: var(--space-3);
  border-top: 1px solid var(--border);
}

.chat-widget__input {
  flex: 1;
}

/* Footer */
.site-footer {
  padding: var(--space-7) 0 var(--space-5);
  border-top: 1px solid var(--border);
  background: var(--bg-muted);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-6);
}

.footer__tagline {
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-top: var(--space-3);
}

.footer__heading {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin: 0 0 var(--space-3);
}

.footer__links {
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 0.875rem;
}

.footer__links li {
  margin-bottom: var(--space-2);
}

.footer__bottom {
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  border-top: 1px solid var(--border);
  font-size: 0.75rem;
  color: var(--text-muted);
}

@media (max-width: 700px) {
  .footer__grid {
    grid-template-columns: 1fr;
  }
}