/* ============================================
           ACCORDION
        ============================================ */
.rt-accordion {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.rt-accordion-item {
  border: 1px solid var(--rt-border);
  border-radius: 0;
  background: var(--rt-surface);
  overflow: hidden;
  transition: all 0.2s ease;
}

.rt-accordion-item:hover {
  border-color: rgba(var(--rt-primary-rgb), 0.3);
}

.rt-accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  background: transparent;
  border: none;
  cursor: pointer;
  text-align: left;
  font: inherit;
  color: var(--rt-text);
  font-weight: 700;
  font-size: 0.9rem;
  transition: all 0.2s ease;
}

.rt-accordion-trigger:hover {
  background: rgba(var(--rt-primary-rgb), 0.04);
}

.rt-accordion-trigger.is-active {
  color: var(--rt-primary);
  font-weight: 800;
}

.rt-accordion-icon {
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
  transition: transform 0.25s ease;
  color: var(--rt-muted);
}

.rt-accordion-trigger.is-active .rt-accordion-icon {
  transform: rotate(180deg);
  color: var(--rt-primary);
}

.rt-accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.rt-accordion-item.is-open .rt-accordion-content {
  max-height: 500px;
}

.rt-accordion-body {
  padding: 0 16px 16px;
  color: var(--rt-muted);
  font-size: 0.88rem;
  line-height: 1.6;
}

/* Accordion flush style */
.rt-accordion--flush .rt-accordion-item {
  border: none;
  border-radius: 0;
  border-bottom: 1px solid var(--rt-border);
}

.rt-accordion--flush .rt-accordion-item:last-child {
  border-bottom: none;
}

/* ============================================
           CAROUSEL
        ============================================ */
.rt-carousel {
  position: relative;
  overflow: hidden;
  border-radius: 0;
  border: 1px solid var(--rt-border);
  background: var(--rt-surface);
}

.rt-carousel-track {
  display: flex;
  transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  width: 100%;
}

.rt-carousel-slide {
  min-width: 100%;
  position: relative;
}

.rt-carousel-slide img {
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.rt-carousel-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 20px 24px;
  background: linear-gradient(to top, rgba(7, 10, 18, 0.85), transparent);
  color: var(--rt-white);
}

.rt-carousel-title {
  font-size: 1.2rem;
  font-weight: 900;
  letter-spacing: -0.02em;
  margin-bottom: 4px;
}

.rt-carousel-text {
  font-size: 0.84rem;
  opacity: 0.9;
  line-height: 1.5;
}

/* Navigation buttons */
.rt-carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 42px;
  height: 42px;
  border-radius: 0;
  border: 1px solid rgba(255, 255, 255, 0.3);
  background: rgba(7, 10, 18, 0.6);
  backdrop-filter: blur(8px);
  color: var(--rt-white);
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: all 0.2s ease;
  z-index: 10;
}

.rt-carousel-btn:hover {
  background: rgba(7, 10, 18, 0.85);
  border-color: rgba(255, 255, 255, 0.5);
  transform: translateY(-50%) scale(1.05);
}

.rt-carousel-btn svg,
.rt-carousel-btn .rt {
  width: 18px;
  height: 18px;
}

.rt-carousel-btn--prev {
  left: 16px;
}

.rt-carousel-btn--next {
  right: 16px;
}

/* Indicators */
.rt-carousel-indicators {
  position: absolute;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 10;
}

.rt-carousel-indicator {
  width: 8px;
  height: 8px;
  border-radius: 0;
  border: none;
  background: rgba(255, 255, 255, 0.4);
  cursor: pointer;
  transition: all 0.2s ease;
  padding: 0;
}

.rt-carousel-indicator:hover {
  background: rgba(255, 255, 255, 0.7);
}

.rt-carousel-indicator.is-active {
  background: var(--rt-white);
  width: 24px;
  border-radius: 0;
}

/* Carousel variants */
.rt-carousel--card {
  border-radius: 0;
}

.rt-carousel--card .rt-carousel-slide img {
  border-radius: 0;
}

.rt-carousel--thumb {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 8px;
  padding: 8px;
}

.rt-carousel--thumb .rt-carousel-slide {
  min-width: auto;
  border-radius: 0;
  overflow: hidden;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all 0.2s ease;
}

.rt-carousel--thumb .rt-carousel-slide img {
  aspect-ratio: 4 / 3;
}

.rt-carousel--thumb .rt-carousel-slide.is-active {
  border-color: var(--rt-primary);
}

/* ============================================
           NAVBAR
        ============================================ */
.rt-navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid var(--rt-border);
  background: var(--rt-surface);
  backdrop-filter: blur(20px) saturate(170%);
  -webkit-backdrop-filter: blur(20px) saturate(170%);
  transition: all 0.2s ease;
}

.rt-navbar--scrolled {
}

.rt-navbar-container {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 0 20px;
  height: 64px;
  max-width: 1400px;
  margin: 0 auto;
}

/* Brand */
.rt-navbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 950;
  font-size: 1.1rem;
  letter-spacing: -0.04em;
  color: var(--rt-text);
  text-decoration: none;
  transition: opacity 0.2s ease;
}

.rt-navbar-brand:hover {
  opacity: 0.8;
}

.rt-navbar-brand-dot {
  width: 12px;
  height: 12px;
  border-radius: 0;
  background: linear-gradient(135deg, var(--rt-primary), var(--rt-primary-2));
}

/* Navigation menu */
.rt-navbar-menu {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}

.rt-navbar-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 0;
  color: var(--rt-muted);
  font-weight: 700;
  font-size: 0.88rem;
  text-decoration: none;
  transition: all 0.2s ease;
}

.rt-navbar-link:hover {
  color: var(--rt-text);
  background: rgba(var(--rt-primary-rgb), 0.06);
}

.rt-navbar-link.is-active {
  color: var(--rt-primary);
  background: rgba(var(--rt-primary-rgb), 0.1);
}

/* Navbar actions */
.rt-navbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: 16px;
}

.rt-navbar-rt-btn {
  width: 40px;
  height: 40px;
  border-radius: 0;
  border: 1px solid var(--rt-border);
  background: var(--rt-surface-solid);
  color: var(--rt-text);
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: all 0.2s ease;
}

.rt-navbar-rt-btn:hover {
  background: rgba(var(--rt-primary-rgb), 0.08);
  border-color: rgba(var(--rt-primary-rgb), 0.3);
}

.rt-navbar-rt-btn svg,
.rt-navbar-rt-btn .rt {
  width: 18px;
  height: 18px;
}

/* Mobile toggle */
.rt-navbar-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border: 1px solid var(--rt-border);
  border-radius: 0;
  background: var(--rt-surface-solid);
  color: var(--rt-text);
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  margin-left: auto;
}

.rt-navbar-toggle span {
  width: 18px;
  height: 2px;
  background: currentColor;
  border-radius: 0;
  transition: all 0.25s ease;
}

.rt-navbar-toggle.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.rt-navbar-toggle.is-open span:nth-child(2) {
  opacity: 0;
}

.rt-navbar-toggle.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile responsive */
@media (max-width: 768px) {
  .rt-navbar-toggle {
    display: flex;
  }

  .rt-navbar-menu {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    bottom: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 16px;
    background: var(--rt-surface);
    transform: translateX(100%);
    transition: transform 0.3s ease;
    overflow-y: auto;
  }

  .rt-navbar-menu.is-open {
    transform: translateX(0);
  }

  .rt-navbar-link {
    padding: 14px 16px;
    border-radius: 0;
    font-size: 0.95rem;
  }

  .rt-navbar-actions {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    margin-left: 0;
    background: var(--rt-surface);
    padding: 12px 20px;
    border-radius: 0;
    border: 1px solid var(--rt-border);
  }
}

/* Navbar variants */
.rt-navbar--transparent {
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

.rt-navbar--dark {
  background: rgba(7, 10, 18, 0.9);
  border-color: rgba(255, 255, 255, 0.1);
}

.rt-navbar--dark .rt-navbar-link {
  color: rgba(255, 255, 255, 0.7);
}

.rt-navbar--dark .rt-navbar-link:hover,
.rt-navbar--dark .rt-navbar-link.is-active {
  color: var(--rt-white);
}

/* ============================================
           FORM VALIDATION
        ============================================ */
.rt-form-group {
  position: relative;
  margin-bottom: 1rem;
}

.rt-form-label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--rt-text);
}

.rt-form-input,
.rt-form-select,
.rt-form-textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--rt-border);
  border-radius: 0;
  background: var(--rt-surface-solid);
  color: var(--rt-text);
  font-size: 0.9rem;
  transition: all 0.2s ease;
}

.rt-form-input {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--rt-border);
  border-radius: 0;
  background: var(--rt-surface-solid);
  color: var(--rt-text);
  font-size: 0.9rem;
  transition: all 0.2s ease;
}

.rt-form-input:focus {
  outline: none;
  border-color: var(--rt-primary);
}

.rt-form-input-sm {
  min-height: 36px;
  padding: 8px 12px;
  font-size: 0.82rem;
  border-radius: 0;
}

.rt-form-input:focus,
.rt-form-select:focus,
.rt-form-textarea:focus {
  outline: none;
  border-color: var(--rt-primary);
}

.rt-form-input.rt-is-invalid,
.rt-form-select.rt-is-invalid,
.rt-form-textarea.rt-is-invalid {
  border-color: var(--rt-danger);
}

.rt-form-input.rt-is-valid,
.rt-form-select.rt-is-valid,
.rt-form-textarea.rt-is-valid {
  border-color: var(--rt-success);
}

.rt-form-message {
  display: none;
  margin-top: 0.4rem;
  font-size: 0.8rem;
  font-weight: 500;
}

.rt-form-message.is-visible {
  display: block;
}

.rt-form-message--error {
  color: var(--rt-danger);
}

.rt-form-message--success {
  color: var(--rt-success);
}

.rt-form-icon {
  position: absolute;
  right: 12px;
  top: 38px;
  width: 18px;
  height: 18px;
  display: none;
}

.rt-form-icon.is-visible {
  display: block;
}

.rt-form-icon--error {
  color: var(--rt-danger);
}

.rt-form-icon--success {
  color: var(--rt-success);
}

/* Validation state wrapper */
.rt-form-group.rt-is-invalid .rt-form-message--error,
.rt-form-group.rt-is-invalid .rt-form-icon--error {
  display: block;
}

.rt-form-group.rt-is-valid .rt-form-message--success,
.rt-form-group.rt-is-valid .rt-form-icon--success {
  display: block;
}

.rt-form-check {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  line-height: 1.4;
}

.rt-form-check input {
  width: 16px;
  height: 16px;
  margin: 0;
  accent-color: var(--rt-primary);
  flex: 0 0 auto;
}

.rt-link {
  color: var(--rt-primary);
  font-weight: 800;
  transition: color 0.2s ease, opacity 0.2s ease;
}

.rt-link:hover {
  color: var(--rt-primary-2);
  opacity: 0.9;
}