/* ============================================
   Reusable Components
   ============================================ */

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  white-space: nowrap;
  cursor: pointer;
  border: 2px solid transparent;
  text-decoration: none;
}

.btn--primary {
  background: var(--color-accent);
  color: #fff;
  font-weight: var(--weight-bold);
  box-shadow: 0 4px 14px 0 rgba(255, 140, 0, 0.39);
}

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

.btn--secondary {
  background: transparent;
  color: var(--color-text-on-dark);
  border-color: rgba(255, 255, 255, 0.3);
}

.btn--secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.5);
  transform: translateY(-2px);
}

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

.btn--outline:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: translateY(-2px);
}

.btn--lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
  border-radius: var(--radius-lg);
}

.btn--icon {
  width: 44px;
  height: 44px;
  padding: 0;
  border-radius: var(--radius-full);
}

/* ---- Cards ---- */
.card {
  background: var(--color-surface-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-light);
  overflow: hidden;
  transition: all var(--transition-base);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  border-color: transparent;
}

.card__image {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  background: var(--color-surface-alt);
}

.card__body {
  padding: var(--space-6);
}

.card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: var(--space-4);
  background: var(--color-accent-glow);
  color: var(--color-accent);
}

.card__title {
  font-size: var(--text-lg);
  font-weight: var(--weight-semibold);
  margin-bottom: var(--space-2);
  color: var(--color-text);
}

.card__description {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

.card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  margin-top: var(--space-4);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-accent);
  transition: gap var(--transition-fast);
}

.card__link:hover {
  gap: var(--space-2);
  color: var(--color-accent-light);
}

/* Feature Showcase Block (Zigzag Layout) */
.feature-showcase {
  display: flex;
  flex-direction: column;
  gap: var(--space-20);
  margin-top: var(--space-8);
}

.feature-block {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  align-items: center;
}

@media (min-width: 992px) {
  .feature-block {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
  }
  
  .feature-block--reverse .feature-block__text {
    order: 2;
  }
  
  .feature-block--reverse .feature-block__image {
    order: 1;
  }
}

.feature-block__text {
  display: flex;
  flex-direction: column;
}

.feature-block__title {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--weight-bold);
  color: var(--color-text);
  margin-bottom: var(--space-4);
}

.feature-block__title a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.feature-block__title a:hover {
  color: var(--color-primary);
}

.feature-block__desc {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-6);
}

.feature-block__bullets {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-8) 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.feature-block__bullets li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-base);
  color: var(--color-text);
}

.feature-block__bullets .bullet-icon {
  color: var(--color-primary);
  font-weight: bold;
  flex-shrink: 0;
}

.feature-block__actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.feature-block__image {
  position: relative;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transition: transform var(--transition-base);
}

@media (min-width: 992px) {
  .feature-block:not(.feature-block--reverse) .feature-block__image {
    transform: perspective(1000px) rotateY(-5deg) translateY(0);
  }
  .feature-block--reverse .feature-block__image {
    transform: perspective(1000px) rotateY(5deg) translateY(0);
  }
  
  .feature-block:hover .feature-block__image {
    transform: perspective(1000px) rotateY(0deg) translateY(-8px);
    box-shadow: var(--shadow-xl);
  }
}

.feature-block__img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.feature-block:hover .feature-block__img {
  transform: scale(1.03);
}

.feature-block__img-placeholder {
  width: 100%;
  aspect-ratio: 16/9;
  background: var(--color-surface-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-3xl);
  color: var(--color-text-muted);
}

/* ---- Video Module ---- */
.video-module {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-surface-dark);
  cursor: pointer;
}

.video-module__thumbnail {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.video-module:hover .video-module__thumbnail {
  transform: scale(1.03);
}

.video-module__play {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 72px;
  height: 72px;
  border-radius: var(--radius-full);
  background: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-base);
  z-index: 2;
  box-shadow: 0 4px 30px rgba(255, 140, 0, 0.4);
}

.video-module__play::after {
  content: '';
  display: block;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 12px 0 12px 20px;
  border-color: transparent transparent transparent #fff;
  margin-left: 3px;
}

.video-module:hover .video-module__play {
  transform: translate(-50%, -50%) scale(1.1);
  box-shadow: 0 8px 40px rgba(255, 140, 0, 0.6);
}

.video-module__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.4) 0%, transparent 70%);
  z-index: 1;
}

.video-module iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
}

/* ---- Screenshot Gallery ---- */
.gallery {
  display: grid;
  gap: var(--space-3);
  grid-template-columns: repeat(2, 1fr);
}

@media (min-width: 640px) {
  .gallery { grid-template-columns: repeat(3, 1fr); }
}

@media (min-width: 1024px) {
  .gallery { grid-template-columns: repeat(4, 1fr); }
}

.gallery__item {
  position: relative;
  aspect-ratio: 16 / 10;
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  border: 1px solid var(--color-border-light);
  transition: all var(--transition-base);
}

.gallery__item:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-accent);
}

.gallery__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.gallery__item:hover img {
  transform: scale(1.05);
}

.gallery__item::after {
  content: '🔍';
  position: absolute;
  bottom: var(--space-2);
  right: var(--space-2);
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  background: rgba(255,255,255,0.9);
  border-radius: var(--radius-full);
  opacity: 0;
  transform: scale(0.8);
  transition: all var(--transition-fast);
}

.gallery__item:hover::after {
  opacity: 1;
  transform: scale(1);
}

/* ---- Lightbox ---- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(15, 23, 42, 0.92);
  backdrop-filter: blur(8px);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.lightbox--active {
  opacity: 1;
  visibility: visible;
}

.lightbox__image {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-2xl);
  transform: scale(0.9);
  transition: transform var(--transition-slow);
}

.lightbox--active .lightbox__image {
  transform: scale(1);
}

.lightbox__close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.1);
  color: #fff;
  font-size: var(--text-xl);
  transition: background var(--transition-fast);
}

.lightbox__close:hover {
  background: rgba(255,255,255,0.2);
}

.lightbox__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.1);
  color: #fff;
  font-size: var(--text-xl);
  transition: background var(--transition-fast);
}

.lightbox__nav:hover {
  background: rgba(255,255,255,0.2);
}

.lightbox__nav--prev { left: var(--space-4); }
.lightbox__nav--next { right: var(--space-4); }

.lightbox__counter {
  position: absolute;
  bottom: var(--space-6);
  left: 50%;
  transform: translateX(-50%);
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.7);
}

/* ---- CTA Section ---- */
.cta-section {
  text-align: center;
  padding: var(--space-16) var(--container-padding);
  background: var(--gradient-hero);
  color: var(--color-text-on-dark);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 50%, rgba(255, 255, 255, 0.05) 0%, transparent 60%);
}

.cta-section__inner {
  display: grid;
  gap: var(--space-8);
  align-items: center;
  position: relative;
  z-index: 2;
}

@media (min-width: 1024px) {
  .cta-section__inner {
    grid-template-columns: 1fr 1fr;
    text-align: left;
  }
}

.cta-section__content {
  text-align: center;
}

@media (min-width: 1024px) {
  .cta-section__content {
    text-align: left;
  }
}

.cta-section__title {
  font-size: var(--text-3xl);
  font-weight: var(--weight-bold);
  color: var(--color-text-on-dark);
  margin-bottom: var(--space-4);
  position: relative;
}

.cta-section__subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-on-dark-secondary);
  margin-bottom: var(--space-8);
  position: relative;
}

.cta-section__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  justify-content: center;
  position: relative;
}

.cta-section__contact {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-6);
  justify-content: center;
  margin-top: var(--space-8);
  position: relative;
}

.cta-section__contact-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-base);
  color: var(--color-text-on-dark-secondary);
}

.cta-section__contact-item a {
  color: var(--color-accent);
  font-weight: var(--weight-medium);
}

.cta-section__contact-item a:hover {
  color: var(--color-accent-light);
}

/* ---- Module Section ---- */
.module-section {
  padding-block: var(--space-16);
  border-bottom: 1px solid var(--color-border-light);
}

.module-section:nth-child(even) {
  background: var(--color-surface-alt);
}

.module-section__header {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

.module-section__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  background: var(--color-accent-glow);
  color: var(--color-accent);
  flex-shrink: 0;
}

.module-section__title {
  font-size: var(--text-2xl);
  font-weight: var(--weight-bold);
}

.module-section__description {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  max-width: 700px;
  margin-bottom: var(--space-8);
}

.module-section__content {
  display: grid;
  gap: var(--space-8);
}

@media (min-width: 1024px) {
  .module-section__content {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
}

/* ---- Module Navigation ---- */
.module-nav {
  position: sticky;
  top: var(--header-height);
  z-index: var(--z-sticky);
  background: rgba(248, 250, 252, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  padding-block: var(--space-3);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.module-nav__list {
  display: flex;
  gap: var(--space-1);
  padding-inline: var(--container-padding);
  max-width: var(--container-max);
  margin-inline: auto;
}

.module-nav__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text-secondary);
  border-radius: var(--radius-full);
  white-space: nowrap;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.module-nav__link:hover {
  color: var(--color-primary);
  background: var(--color-surface-alt);
}

.module-nav__link--active {
  color: #fff;
  background: var(--color-primary-dark);
  font-weight: var(--weight-bold);
  box-shadow: var(--shadow-sm);
}

/* ---- Breadcrumb ---- */
.breadcrumb {
  padding: var(--space-4) 0;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.breadcrumb a {
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

.breadcrumb a:hover {
  color: var(--color-accent);
}

.breadcrumb__separator {
  margin-inline: var(--space-2);
  color: var(--color-text-muted);
}

/* ---- Badge ---- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  border-radius: var(--radius-full);
  background: var(--color-accent-glow);
  color: var(--color-accent);
}

/* ---- CTA Form ---- */
.cta-form {
  max-width: 100%;
  margin: 0 auto;
  background: #ffffff;
  padding: var(--space-8);
  border-radius: var(--radius-xl);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
  text-align: left;
  position: relative;
  z-index: 2;
}

.form-group {
  margin-bottom: var(--space-4);
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.form-label span.required {
  color: #ff4d4f;
  margin-left: 2px;
}

.form-input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-base);
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.form-input:focus {
  outline: none;
  background: #fff;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(255, 140, 0, 0.2);
}

.form-group--checkbox {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  margin-top: var(--space-4);
  margin-bottom: var(--space-4);
}

.form-group--checkbox input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  cursor: pointer;
  accent-color: var(--color-accent);
  flex-shrink: 0;
}

.form-group--checkbox .form-label {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  cursor: pointer;
  user-select: none;
  margin-bottom: 0;
}

.form-group--checkbox .form-label a {
  color: var(--color-primary);
  text-decoration: underline;
  font-weight: var(--weight-medium);
}

.form-group--checkbox .form-label a:hover {
  color: var(--color-accent);
}

.cta-form .btn--primary {
  width: 100%;
  margin-top: var(--space-2);
  padding-block: var(--space-4);
  font-size: var(--text-lg);
}

/* ---- Form Success ---- */
.form-success {
  text-align: center;
  padding: var(--space-8);
  background: #fff;
  border-radius: var(--radius-xl);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
  max-width: 100%;
  margin: 0 auto;
}

.form-success__icon {
  font-size: 3rem;
  margin-bottom: var(--space-4);
}

.form-success__title {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--weight-bold);
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

.form-success__text {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-6);
}

/* ---- AI Chat Widget ---- */
.iam-chat-widget {
  position: fixed;
  right: var(--space-6);
  bottom: calc(var(--space-6) + 70px);
  z-index: calc(var(--z-modal) + 2);
  font-family: var(--font-body);
  color: var(--color-text);
  pointer-events: none;
}

.iam-chat-widget svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
  flex: 0 0 auto;
}

.iam-chat-widget__bubble {
  width: 56px;
  height: 56px;
  border: 0;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 14px 32px rgba(10, 144, 234, 0.32);
  cursor: pointer;
  pointer-events: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.iam-chat-widget__bubble:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 38px rgba(10, 144, 234, 0.38);
}

.iam-chat-widget__panel {
  position: relative;
  width: min(420px, calc(100vw - 2rem));
  height: min(640px, calc(100vh - 5rem));
  background: #fff;
  border: 1px solid var(--color-border-light);
  border-radius: 18px;
  box-shadow: 0 24px 60px rgba(15, 23, 42, 0.22);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  pointer-events: auto;
  opacity: 0;
  transform: translateY(12px) scale(0.98);
  visibility: hidden;
  transition: opacity var(--transition-base), transform var(--transition-base), visibility var(--transition-base);
}

.iam-chat-widget--open .iam-chat-widget__panel {
  opacity: 1;
  transform: translateY(0) scale(1);
  visibility: visible;
}

.iam-chat-widget--open .iam-chat-widget__bubble {
  display: none;
}

.iam-chat-widget__header {
  min-height: 74px;
  padding: 14px 16px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.iam-chat-widget__title {
  font-family: var(--font-heading);
  font-size: 18px;
  line-height: 1.25;
  font-weight: var(--weight-bold);
}

.iam-chat-widget__status {
  font-size: 13px;
  line-height: 1.35;
  color: rgba(255, 255, 255, 0.78);
  margin-top: 2px;
}

.iam-chat-widget__icon-btn {
  width: 40px;
  height: 40px;
  border: 0;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.iam-chat-widget__product-row {
  padding: 12px 16px;
  background: #fff;
  border-bottom: 1px solid var(--color-border-light);
}

.iam-chat-widget__select {
  width: 100%;
  border: 1px solid var(--color-border-light);
  border-radius: 10px;
  min-height: 42px;
  padding: 8px 10px;
  background: #fff;
  color: var(--color-text);
  font-size: 14px;
  line-height: 1.35;
}

.iam-chat-widget__messages {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: var(--color-surface-alt);
}

.iam-chat-message {
  display: flex;
}

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

.iam-chat-message--assistant {
  justify-content: flex-start;
}

.iam-chat-message__bubble {
  max-width: min(88%, 340px);
  border-radius: 12px;
  padding: 10px 12px;
  font-size: 14px;
  line-height: 1.55;
  box-shadow: var(--shadow-xs);
  overflow-wrap: anywhere;
}

.iam-chat-message--user .iam-chat-message__bubble {
  background: var(--color-primary);
  color: #fff;
  border-bottom-right-radius: var(--radius-sm);
}

.iam-chat-message--assistant .iam-chat-message__bubble {
  background: #fff;
  color: var(--color-text);
  border: 1px solid var(--color-border-light);
  border-bottom-left-radius: var(--radius-sm);
}

.iam-chat-message__content p {
  margin: 0 0 8px;
}

.iam-chat-message__content p:last-child,
.iam-chat-message__content ul:last-child,
.iam-chat-message__content ol:last-child {
  margin-bottom: 0;
}

.iam-chat-message__content ul,
.iam-chat-message__content ol {
  margin: 0 0 8px 18px;
  padding: 0;
}

.iam-chat-message__content li {
  margin-bottom: 4px;
}

.iam-chat-message__content a {
  color: var(--color-primary);
  font-weight: var(--weight-semibold);
  text-decoration: none;
}

.iam-chat-message__content a:hover {
  text-decoration: underline;
}

.iam-chat-message--typing .iam-chat-message__bubble {
  display: flex;
  align-items: center;
  gap: 5px;
  min-width: 52px;
}

.iam-chat-message--typing span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-text-muted);
  animation: iam-chat-dot 1s infinite ease-in-out;
}

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

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

@keyframes iam-chat-dot {
  0%, 80%, 100% {
    transform: translateY(0);
    opacity: 0.45;
  }
  40% {
    transform: translateY(-4px);
    opacity: 1;
  }
}

.iam-chat-citations {
  margin-top: var(--space-3);
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-border-light);
}

.iam-chat-citations__title {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}

.iam-chat-citation {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  min-height: 34px;
  padding: 7px 8px;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-sm);
  color: var(--color-primary);
  text-decoration: none;
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  margin-bottom: var(--space-2);
  word-break: break-word;
}

.iam-chat-citation:hover {
  border-color: var(--color-primary);
  background: rgba(10, 144, 234, 0.06);
}

.iam-chat-handoff {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-top: var(--space-3);
}

.iam-chat-handoff__btn {
  min-height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  background: var(--color-accent);
  color: #fff;
  text-decoration: none;
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
}

.iam-chat-handoff__btn:hover {
  background: var(--color-accent-light);
}

.iam-chat-feedback {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

.iam-chat-feedback button {
  width: 32px;
  height: 32px;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-sm);
  background: #fff;
  color: var(--color-text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.iam-chat-feedback button:hover,
.iam-chat-feedback__btn--active {
  color: var(--color-primary);
  border-color: var(--color-primary);
  background: rgba(10, 144, 234, 0.06);
}

.iam-chat-widget__suggestions {
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 72px;
  z-index: 5;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  border-radius: 16px;
  background: #ffffff;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
  border: 1px solid rgba(10, 144, 234, 0.1);
  animation: iam-chat-slide-up 0.3s var(--ease-out);
}

@keyframes iam-chat-slide-up {
  from { transform: translateY(10px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.iam-chat-widget__suggestions-title {
  font-size: 12px;
  font-weight: 700;
  color: #64748b;
  margin-bottom: 2px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.iam-chat-widget__suggestions-title::before {
  content: '✨';
  font-size: 14px;
}

.iam-chat-widget__suggestions[hidden] {
  display: none;
}

.iam-chat-widget__chip {
  border: 1.5px solid rgba(10, 144, 234, 0.4);
  border-radius: 20px;
  background: #fff;
  color: #0369a1;
  font-size: 13.5px;
  line-height: 1.4;
  font-weight: 500;
  padding: 9px 16px;
  cursor: pointer;
  text-align: left;
  transition: all 0.2s ease;
  width: 100%;
}

.iam-chat-widget__chip:hover {
  border-color: var(--color-primary);
  background: rgba(10, 144, 234, 0.04);
  transform: translateX(4px);
  color: var(--color-primary);
}

.iam-chat-widget__form {
  padding: 12px;
  border-top: 1px solid var(--color-border-light);
  background: #fff;
  display: flex;
  align-items: flex-end;
  gap: 10px;
}

.iam-chat-widget__input {
  flex: 1;
  min-height: 48px;
  max-height: 108px;
  resize: none;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 13px 14px;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.45;
  color: var(--color-text);
  overflow-y: auto;
  scrollbar-width: thin;
}

.iam-chat-widget__input:focus {
  outline: 2px solid rgba(10, 144, 234, 0.18);
  border-color: var(--color-primary);
}

.iam-chat-widget__send {
  width: 48px;
  height: 48px;
  border: 0;
  border-radius: 12px;
  background: var(--color-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.iam-chat-widget__send:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

@media (max-width: 768px) {
  .iam-chat-widget {
    right: var(--space-4);
    bottom: var(--space-4);
  }

  .iam-chat-widget__panel {
    position: fixed;
    left: var(--space-3);
    right: var(--space-3);
    bottom: var(--space-3);
    width: auto;
    height: min(85vh, 680px);
    border-radius: 18px;
  }

  .iam-chat-message__bubble {
    max-width: 90%;
  }
}

/* ---- Floating Action Buttons (FAB) ---- */
.fab-container {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--space-3);
  z-index: var(--z-modal);
}

.fab-row {
  display: flex;
  gap: var(--space-3);
}

.fab-button {
  position: relative;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 24px;
  text-decoration: none;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  transition: all var(--transition-base);
  animation: fab-pulse 2s infinite;
}

.fab-button:hover {
  transform: translateY(-4px) scale(1.1);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
  animation-play-state: paused;
}

/* Tooltip styles */
.fab-button::before {
  content: attr(data-tooltip);
  position: absolute;
  right: calc(100% + 16px);
  top: 50%;
  transform: translateY(-50%) translateX(10px);
  background: rgba(15, 23, 42, 0.9);
  color: #fff;
  padding: 8px 12px;
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-md);
  pointer-events: none;
}

.fab-button::after {
  content: '';
  position: absolute;
  right: calc(100% + 8px);
  top: 50%;
  transform: translateY(-50%) translateX(10px);
  border-width: 8px;
  border-style: solid;
  border-color: transparent transparent transparent rgba(15, 23, 42, 0.9);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
  pointer-events: none;
}

.fab-button:hover::before,
.fab-button:hover::after,
.tooltip-trigger:hover::before,
.tooltip-trigger:hover::after {
  opacity: 1;
  visibility: visible;
  transform: translateY(-50%) translateX(0);
}

/* Generic Tooltip Trigger */
.tooltip-trigger {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  background: transparent;
  color: var(--color-text-muted);
  border-radius: 50%;
  font-size: 0; /* Hide any potential text */
  cursor: help;
  transition: all var(--transition-fast);
  margin-left: 4px;
  opacity: 0.7;
}

.tooltip-trigger:hover {
  background: rgba(10, 144, 234, 0.08);
  color: var(--color-primary);
  opacity: 1;
}

.tooltip-trigger svg {
  display: block;
}

.tooltip-trigger::before {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  background: rgba(15, 23, 42, 0.95);
  color: #fff;
  padding: 8px 12px;
  border-radius: var(--radius-md);
  font-size: 12px;
  line-height: 1.4;
  font-weight: var(--weight-medium);
  white-space: pre-wrap;
  width: max-content;
  max-width: 240px;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-lg);
  pointer-events: none;
  z-index: 100;
  text-transform: none;
}

.tooltip-trigger::after {
  content: '';
  position: absolute;
  bottom: calc(100% + 2px);
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  border-width: 5px;
  border-style: solid;
  border-color: rgba(15, 23, 42, 0.95) transparent transparent transparent;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
  pointer-events: none;
  z-index: 100;
}

.tooltip-trigger:hover::before,
.tooltip-trigger:hover::after {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

@keyframes fab-pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(0, 0, 0, 0.2);
  }
  70% {
    box-shadow: 0 0 0 10px rgba(0, 0, 0, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(0, 0, 0, 0);
  }
}

.fab-button--zalo {
  background: #0068ff;
}

.fab-button--facebook {
  background: #1877f2;
}

.fab-button--phone {
  background: var(--color-accent);
}

.fab-button--chat {
  background: transparent !important;
  border: none;
  cursor: pointer;
  padding: 0;
  box-shadow: none;
}

.fab-button--chat .fab-icon-img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
}

.fab-button svg {
  width: 24px;
  height: 24px;
  fill: currentColor;
}

.fab-icon-img {
  width: 24px;
  height: 24px;
  object-fit: contain;
}

/* ---- Zigzag Feature Sections (Product Detail) ---- */
.zigzag-section {
  padding-block: var(--space-20);
  border-bottom: 1px solid var(--color-border-light);
  overflow: hidden;
}

.zigzag-section--alt {
  background: var(--color-surface-alt);
}

.zigzag-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  align-items: center;
}

@media (min-width: 992px) {
  .zigzag-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
  }

  .zigzag-grid--reverse .zigzag-text {
    order: 2;
  }

  .zigzag-grid--reverse .zigzag-media {
    order: 1;
  }
}

/* --- Zigzag Text Block --- */
.zigzag-text {
  display: flex;
  flex-direction: column;
}

.zigzag-title {
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: var(--weight-extrabold);
  color: var(--color-text);
  margin-bottom: var(--space-6);
  line-height: var(--leading-tight);
  position: relative;
}

/* --- Scroll Animations --- */
.animate {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s cubic-bezier(0.165, 0.84, 0.44, 1);
}

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


.zigzag-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  background: var(--gradient-accent);
  border-radius: var(--radius-full);
  margin-top: var(--space-4);
}

.zigzag-desc {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-6);
}

/* --- Zigzag Bullet Points --- */
.zigzag-bullets {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-6) 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.zigzag-bullets li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-base);
  color: var(--color-text);
  line-height: var(--leading-relaxed);
}

.zigzag-bullets .bullet-icon {
  color: #22c55e;
  flex-shrink: 0;
  font-size: 1.25em;
  line-height: 1.5;
}

/* --- Zigzag Supplementary Content --- */
.zigzag-extras {
  margin-top: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.zigzag-extras__group {
  padding: var(--space-4);
  background: var(--color-surface-alt);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-light);
}

.zigzag-section--alt .zigzag-extras__group {
  background: #fff;
}

.zigzag-extras__label {
  font-size: var(--text-sm);
  font-weight: var(--weight-bold);
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

.zigzag-extras__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.zigzag-extras__list li {
  font-size: var(--text-sm);
}

.zigzag-extras__list a {
  color: var(--color-primary);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  transition: color var(--transition-fast);
}

.zigzag-extras__list a:hover {
  color: var(--color-accent);
}

/* --- Zigzag Media Block --- */
.zigzag-media {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  transition: transform var(--transition-base);
}

@media (min-width: 992px) {
  .zigzag-media:hover {
    transform: translateY(-8px);
  }
}

/* Video inside media — full width, styled like homepage feature-block__image */
.zigzag-media__video {
  position: relative;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transition: box-shadow var(--transition-base);
}

.zigzag-media:hover .zigzag-media__video {
  box-shadow: var(--shadow-xl);
}

@media (min-width: 992px) {
  .zigzag-grid:not(.zigzag-grid--reverse) .zigzag-media__video {
    transform: perspective(1000px) rotateY(-5deg);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
  }
  .zigzag-grid--reverse .zigzag-media__video {
    transform: perspective(1000px) rotateY(5deg);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
  }
  .zigzag-grid:hover .zigzag-media__video {
    transform: perspective(1000px) rotateY(0deg);
  }
}

/* Screenshot Thumbnail Strip — horizontal scroll, max 3 visible */
.zigzag-thumbstrip {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.zigzag-thumbstrip__track {
  display: flex;
  gap: var(--space-2);
  overflow: hidden;
  flex: 1;
  scroll-behavior: smooth;
}

.zigzag-thumbstrip__item {
  flex: 0 0 calc((100% - var(--space-2) * 2) / 3);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-xs);
}

.zigzag-thumbstrip__item:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.zigzag-thumbstrip__item img {
  width: 100%;
  height: 72px;
  object-fit: cover;
  display: block;
}

.zigzag-thumbstrip__arrow {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: var(--text-lg);
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.zigzag-thumbstrip__arrow:hover {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.zigzag-thumbstrip__arrow:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.zigzag-thumbstrip__arrow:disabled:hover {
  background: var(--color-surface);
  color: var(--color-text);
  border-color: var(--color-border);
}

@media (max-width: 640px) {
  .zigzag-thumbstrip__item {
    flex: 0 0 calc((100% - var(--space-2)) / 2);
  }

  .zigzag-thumbstrip__item img {
    height: 56px;
  }
}

/* Single image without gallery — full width hero-style */
.zigzag-media__image {
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transition: box-shadow var(--transition-base);
}

.zigzag-media__image img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.zigzag-media:hover .zigzag-media__image {
  box-shadow: var(--shadow-xl);
}

.zigzag-media:hover .zigzag-media__image img {
  transform: scale(1.03);
}

@media (min-width: 992px) {
  .zigzag-grid:not(.zigzag-grid--reverse) .zigzag-media__image {
    transform: perspective(1000px) rotateY(-5deg);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
  }
  .zigzag-grid--reverse .zigzag-media__image {
    transform: perspective(1000px) rotateY(5deg);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
  }
  .zigzag-grid:hover .zigzag-media__image {
    transform: perspective(1000px) rotateY(0deg);
  }
}

/* Placeholder for modules without media */
.zigzag-media__placeholder {
  aspect-ratio: 16 / 9;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-5xl);
  color: var(--color-text-muted);
  background: var(--color-surface-alt);
  border-radius: var(--radius-2xl);
  border: 2px dashed var(--color-border);
}

/* --- Zigzag Animations --- */
.zigzag-animate {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

.zigzag-animate--visible {
  opacity: 1;
  transform: translateY(0);
}

.zigzag-animate--delay-1 {
  transition-delay: 0.15s;
}

.zigzag-animate--delay-2 {
  transition-delay: 0.3s;
}


/* ---- Search Dropdown ---- */
.hero__search {
  margin-bottom: var(--space-8);
  width: 100%;
  max-width: 600px;
  margin-inline: auto;
}

.search-dropdown {
  position: relative;
  width: 100%;
  z-index: var(--z-dropdown);
}

.search-dropdown__input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  padding: var(--space-1) var(--space-2);
  transition: all var(--transition-base);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.search-dropdown__input-wrapper:focus-within {
  background: #fff;
  border-color: var(--color-accent);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  transform: translateY(-2px);
}

.search-dropdown__icon {
  margin-left: var(--space-4);
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  pointer-events: none;
}

.search-dropdown__input-wrapper:focus-within .search-dropdown__icon {
  color: var(--color-accent);
}

.search-dropdown__input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: transparent;
  border: none;
  color: var(--color-text);
  font-size: var(--text-base);
  font-family: var(--font-sans);
}

.search-dropdown__input:focus {
  outline: none;
  color: var(--color-text);
}

.search-dropdown__input::placeholder {
  color: var(--color-text-muted);
}

.search-dropdown__input-wrapper:focus-within .search-dropdown__input::placeholder {
  color: var(--color-text-muted);
  opacity: 0.7;
}

.search-dropdown__clear {
  margin-right: var(--space-2);
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  transition: all var(--transition-fast);
  background: transparent;
  border: none;
  cursor: pointer;
  visibility: hidden;
  opacity: 0;
}

.search-dropdown__clear:hover {
  background: rgba(0, 0, 0, 0.05);
  color: var(--color-text);
}

.search-dropdown__input-wrapper:focus-within .search-dropdown__clear {
  color: var(--color-text-muted);
}

.search-dropdown__clear--active {
  visibility: visible;
  opacity: 1;
}

.search-dropdown__results {
  position: absolute;
  top: calc(100% + var(--space-2));
  left: 0;
  right: 0;
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-2xl);
  max-height: 400px;
  overflow-y: auto;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-base);
  border: 1px solid var(--color-border-light);
}

.search-dropdown--active .search-dropdown__results {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.search-dropdown__result-item {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4);
  text-decoration: none;
  color: var(--color-text);
  transition: all var(--transition-fast);
  border-bottom: 1px solid var(--color-border-light);
}

.search-dropdown__result-item:last-child {
  border-bottom: none;
}

.search-dropdown__result-item:hover {
  background: var(--color-surface-alt);
}

.search-dropdown__result-item:focus {
  outline: none;
  background: var(--color-accent-glow);
}

.search-dropdown__result-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--color-surface-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-lg);
  flex-shrink: 0;
}

.search-dropdown__result-info {
  flex: 1;
  min-width: 0;
}

.search-dropdown__result-name {
  display: block;
  font-weight: var(--weight-bold);
  font-size: var(--text-base);
  margin-bottom: var(--space-1);
}

.search-dropdown__result-desc {
  display: block;
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.search-dropdown__no-results {
  padding: var(--space-8);
  text-align: center;
  color: var(--color-text-secondary);
}

.search-dropdown__no-results-icon {
  display: block;
  font-size: 2rem;
  margin-bottom: var(--space-2);
  opacity: 0.5;
}