/* ========================================
   DANCE STUDIO — Reusable UI Components
   ======================================== */

/* ========================================
   NAVIGATION BAR
   ======================================== */
.navbar {
  position: fixed;
  top: 0;
  inset-inline: 0;
  z-index: var(--z-sticky);
  padding: var(--space-4) 0;
  background: var(--bg-nav);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border-bottom: 1px solid var(--glass-border);
  box-shadow: var(--navbar-shadow);
  transition: background var(--transition-base), padding var(--transition-base),
              box-shadow var(--transition-base), backdrop-filter var(--transition-base),
              border-color var(--transition-base);
}

.navbar.scrolled {
  background: var(--bg-nav-scrolled);
  padding: var(--space-2) 0;
  box-shadow: var(--shadow-lg);
  border-bottom-color: var(--border-color);
}

.navbar.menu-open {
  height: 100vh;
  background: #FFFFFF !important;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
  border-bottom: none;
  z-index: var(--z-overlay);
}

[data-theme="dark"] .navbar.menu-open {
  background: #000000 !important;
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.navbar__logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-heading);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  text-decoration: none;
  z-index: calc(var(--z-overlay) + 1);
}

.navbar__logo-icon {
  width: 40px;
  height: 40px;
  background: var(--gradient-primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: var(--font-size-lg);
}

.navbar__logo-text span {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Nav Links */
.navbar__menu {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  list-style: none;
}

.navbar__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-3);
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
}

.navbar__mobile-login {
  display: none;
}

.navbar__link:hover,
.navbar__link.active {
  color: var(--color-primary);
  background: rgba(var(--color-primary-rgb), 0.08);
}

.navbar__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  inset-inline-start: 50%;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  transform: translateX(-50%);
  transition: width var(--transition-base);
}

[dir="rtl"] .navbar__link::after {
  transform: translateX(50%);
}

.navbar__link:hover::after,
.navbar__link.active::after {
  width: 60%;
}

/* Dropdown */


.navbar__dropdown {
  position: relative;
}

.navbar__dropdown-toggle {
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast), color var(--transition-fast);
}

.navbar__dropdown-toggle:hover {
  background: rgba(var(--color-primary-rgb), 0.05);
}

.navbar__dropdown-toggle .chevron,
.navbar__dropdown-toggle .fa-chevron-down {
  font-size: 10px;
  transition: transform var(--transition-base);
  opacity: 0.7;
}

.navbar__dropdown:hover .chevron,
.navbar__dropdown:hover .fa-chevron-down,
.navbar__dropdown.open .chevron,
.navbar__dropdown.open .fa-chevron-down {
  transform: rotate(180deg);
}

.navbar__dropdown-menu {
  position: absolute;
  top: 100%;
  inset-inline-start: 0;
  min-width: 220px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  padding: var(--space-2);
  margin: 0;
  list-style: none;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity var(--transition-fast), transform var(--transition-fast), visibility var(--transition-fast);
  z-index: var(--z-dropdown);
}

.navbar__dropdown:hover .navbar__dropdown-menu,
.navbar__dropdown.open .navbar__dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.navbar__dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast), color var(--transition-fast);
  text-decoration: none;
}

.navbar__dropdown-item:hover {
  background: rgba(var(--color-primary-rgb), 0.08);
  color: var(--color-primary);
}

.navbar__dropdown-item i {
  width: 20px;
  text-align: center;
  color: var(--color-primary);
}

/* Right Actions */
.navbar__actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.navbar__action-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-size: var(--font-size-lg);
  border-radius: var(--radius-sm);
  cursor: pointer;
  position: relative;
  transition: color var(--transition-fast), background var(--transition-fast);
}

.navbar__action-btn:hover {
  color: var(--color-primary);
  background: rgba(var(--color-primary-rgb), 0.08);
}

/* Mobile Toggle */
.navbar__mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
  z-index: 10;
}

.navbar__mobile-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--text-primary);
  border-radius: var(--radius-full);
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.navbar__mobile-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.navbar__mobile-toggle.active span:nth-child(2) {
  opacity: 0;
}

.navbar__mobile-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.navbar__mobile-toggle.active {
  background: rgba(var(--color-primary-rgb), 0.1);
  border-radius: var(--radius-circle);
}

/* RTL Toggle is handled by .navbar__action-btn and data-rtl-toggle */

.lang-dropdown__menu {
  position: absolute;
  top: calc(100% + 8px);
  inset-inline-end: 0;
  min-width: 180px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  padding: var(--space-2);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity var(--transition-fast), transform var(--transition-fast), visibility var(--transition-fast);
  z-index: var(--z-dropdown);
}

.lang-dropdown.open .lang-dropdown__menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.lang-dropdown__item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  border-radius: var(--radius-sm);
  cursor: pointer;
  border: none;
  background: none;
  width: 100%;
  text-align: start;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.lang-dropdown__item:hover,
.lang-dropdown__item.active {
  background: rgba(var(--color-primary-rgb), 0.08);
  color: var(--color-primary);
}

/* ========================================
   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-body);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  line-height: 1;
  text-decoration: none;
  border: 2px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast),
              background var(--transition-fast), color var(--transition-fast),
              border-color var(--transition-fast);
  -webkit-tap-highlight-color: transparent;
}

.btn:active {
  transform: scale(0.97);
}

/* Ripple */
.btn .ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,0.3);
  animation: ripple 0.6s ease-out forwards;
  pointer-events: none;
}

/* Variants */
.btn--primary {
  background: var(--gradient-primary);
  color: white;
  border-color: transparent;
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

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

.btn--secondary:hover {
  background: var(--color-primary);
  color: white;
  transform: translateY(-2px);
}

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

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

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

.btn--ghost:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

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

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

/* Sizes */
.btn--sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-xs);
}

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

.btn--xl {
  padding: var(--space-5) var(--space-10);
  font-size: var(--font-size-lg);
}

.btn--icon {
  width: 48px;
  height: 48px;
  padding: 0;
  border-radius: var(--radius-circle);
}

/* ========================================
   CARDS
   ======================================== */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base),
              border-color var(--transition-base);
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(var(--color-primary-rgb), 0.3);
}

.card__image {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16/10;
}

.card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

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

.card__image-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.6) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.card:hover .card__image-overlay {
  opacity: 1;
}

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

.card__tag {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
  background: rgba(var(--color-primary-rgb), 0.1);
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wide);
  margin-bottom: var(--space-3);
}

.card__title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-2);
}

.card__text {
  font-size: var(--font-size-sm);
  color: var(--text-tertiary);
  margin-bottom: var(--space-4);
}

/* Glass Card */
.card--glass {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
}

/* 3D Tilt Card */
.card--tilt {
  transform-style: preserve-3d;
  perspective: 1000px;
}

/* ========================================
   SECTION HEADERS
   ======================================== */
.section-header {
  text-align: center;
  margin-bottom: var(--space-16);
  max-width: 700px;
  margin-inline: auto;
}

.section-header__label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-accent);
  font-size: var(--font-size-lg);
  color: var(--color-accent);
  margin-bottom: var(--space-3);
}

.section-header__title {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--space-4);
}

.section-header__desc {
  font-size: var(--font-size-lg);
  color: var(--text-tertiary);
  max-width: 600px;
  margin-inline: auto;
}

/* ========================================
   FORMS
   ======================================== */
.form-group {
  position: relative;
  margin-bottom: var(--space-6);
}

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

/* Floating label */
.form-group--floating {
  position: relative;
}

.form-group--floating .form-input {
  padding-top: var(--space-6);
}

.form-group--floating .form-label {
  position: absolute;
  top: 50%;
  inset-inline-start: var(--space-4);
  transform: translateY(-50%);
  color: var(--text-tertiary);
  font-weight: var(--font-weight-normal);
  transition: all var(--transition-fast);
  pointer-events: none;
  margin-bottom: 0;
}

.form-group--floating .form-input:focus ~ .form-label,
.form-group--floating .form-input:not(:placeholder-shown) ~ .form-label {
  top: var(--space-2);
  transform: translateY(0);
  font-size: var(--font-size-xs);
  color: var(--color-primary);
  font-weight: var(--font-weight-medium);
}

.form-input, .form-textarea, .form-select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  color: var(--text-primary);
  background: var(--bg-input);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}

.form-input:focus, .form-textarea:focus, .form-select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.15);
}

.form-input.error {
  border-color: var(--color-accent);
  animation: shake 0.5s ease;
}

.form-input.success {
  border-color: #48BB78;
}

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

.form-error {
  font-size: var(--font-size-xs);
  color: var(--color-accent);
  margin-top: var(--space-1);
  display: none;
}

.form-input.error + .form-error {
  display: block;
}

/* Password strength meter */
.password-strength {
  display: flex;
  gap: var(--space-1);
  margin-top: var(--space-2);
}

.password-strength__bar {
  flex: 1;
  height: 4px;
  background: var(--border-color);
  border-radius: var(--radius-full);
  transition: background var(--transition-fast);
}

.password-strength[data-strength="1"] .password-strength__bar:nth-child(1) { background: #E53E3E; }
.password-strength[data-strength="2"] .password-strength__bar:nth-child(-n+2) { background: #ED8936; }
.password-strength[data-strength="3"] .password-strength__bar:nth-child(-n+3) { background: #ECC94B; }
.password-strength[data-strength="4"] .password-strength__bar { background: #48BB78; }

/* ========================================
   TABS
   ======================================== */
.tabs {
  display: flex;
  gap: var(--space-1);
  border-bottom: 2px solid var(--border-color);
  margin-bottom: var(--space-8);
  overflow-x: auto;
  scrollbar-width: none;
}

.tabs::-webkit-scrollbar { display: none; }

.tab-btn {
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-body);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--text-tertiary);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  cursor: pointer;
  white-space: nowrap;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.tab-btn:hover {
  color: var(--text-primary);
}

.tab-btn.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.tab-panel {
  display: none;
  animation: fadeUp 0.4s ease;
}

.tab-panel.active {
  display: block;
}

/* ========================================
   ACCORDION
   ======================================== */
.accordion-item {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-3);
  overflow: hidden;
}

.accordion-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-6);
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  background: var(--bg-card);
  border: none;
  cursor: pointer;
  text-align: start;
  transition: background var(--transition-fast);
}

.accordion-btn:hover {
  background: var(--bg-card-hover);
}

.accordion-btn .icon {
  transition: transform var(--transition-base);
  color: var(--color-primary);
}

.accordion-item.open .accordion-btn .icon {
  transform: rotate(180deg);
}

.accordion-content {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.4s ease;
}

.accordion-item.open .accordion-content {
  grid-template-rows: 1fr;
}

.accordion-content__inner {
  overflow: hidden;
  padding: 0 var(--space-6);
}

.accordion-item.open .accordion-content__inner {
  padding-bottom: var(--space-6);
}

/* ========================================
   MODAL
   ======================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: var(--bg-overlay);
  backdrop-filter: blur(4px);
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-2xl);
  max-width: 500px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.9) translateY(20px);
  transition: transform var(--transition-spring);
}

.modal-overlay.active .modal {
  transform: scale(1) translateY(0);
}

/* ========================================
   TOAST / NOTIFICATION
   ======================================== */
.toast-container {
  position: fixed;
  top: var(--space-6);
  inset-inline-end: var(--space-6);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.toast {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-6);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-xl);
  animation: slideInFromRight 0.4s ease;
  min-width: 300px;
}

.toast--success { border-inline-start: 4px solid #48BB78; }
.toast--error { border-inline-start: 4px solid var(--color-accent); }
.toast--warning { border-inline-start: 4px solid #ECC94B; }
.toast--info { border-inline-start: 4px solid var(--color-primary); }

/* ========================================
   BADGES & TAGS
   ======================================== */
.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-2);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  border-radius: var(--radius-full);
  line-height: 1;
}

.badge--primary {
  background: rgba(var(--color-primary-rgb), 0.15);
  color: var(--color-primary);
}

.badge--accent {
  background: rgba(var(--color-accent-rgb), 0.15);
  color: var(--color-accent);
}

.badge--success {
  background: rgba(72, 187, 120, 0.15);
  color: #48BB78;
}

.badge--dot {
  position: absolute;
  top: -2px;
  inset-inline-end: -2px;
  width: 8px;
  height: 8px;
  padding: 0;
  border-radius: 50%;
  background: var(--color-accent);
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
  background: var(--bg-footer);
  color: var(--text-inverse);
  padding-top: var(--space-16);
  position: relative;
  overflow: hidden;
}

.footer__wave {
  position: absolute;
  top: -1px;
  inset-inline: 0;
  width: 200%;
  animation: waveMove 15s linear infinite;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-12);
  padding-bottom: var(--space-12);
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer__brand {
  max-width: 350px;
}

.footer__brand-name {
  font-family: var(--font-heading);
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-4);
}

.footer__brand-name span {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer__brand-desc {
  color: rgba(255,255,255,0.6);
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-6);
}

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

.footer__social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.1);
  color: white;
  font-size: var(--font-size-base);
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.footer__social-link:hover {
  background: var(--color-primary);
  transform: translateY(-3px);
  color: white;
}

.footer__heading {
  font-family: var(--font-body);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wider);
  margin-bottom: var(--space-6);
  color: white;
}

.footer__links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__link {
  color: rgba(255,255,255,0.6);
  font-size: var(--font-size-sm);
  transition: color var(--transition-fast), padding-inline-start var(--transition-fast);
  text-decoration: none;
}

.footer__link:hover {
  color: white;
  padding-inline-start: var(--space-2);
}

.footer__bottom {
  padding: var(--space-6) 0;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer__copyright {
  color: rgba(255,255,255,0.4);
  font-size: var(--font-size-sm);
}

.footer__bottom-links {
  display: flex;
  gap: var(--space-6);
}

.footer__bottom-links a {
  color: rgba(255,255,255,0.4);
  font-size: var(--font-size-sm);
  transition: color var(--transition-fast);
  text-decoration: none;
}

.footer__bottom-links a:hover {
  color: white;
}

/* ========================================
   BACK TO TOP
   ======================================== */
.back-to-top {
  position: fixed;
  bottom: var(--space-8);
  inset-inline-end: var(--space-8);
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  color: white;
  border: none;
  border-radius: var(--radius-circle);
  box-shadow: var(--shadow-lg);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: opacity var(--transition-base), transform var(--transition-base), visibility var(--transition-base);
  z-index: var(--z-sticky);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

/* ========================================
   RESPONSIVE BREAKPOINTS
   ======================================== */
@media (max-width: 1024px) {
  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }
}

/* ========================================
   TABLET OPTIMIZATION (769px - 1024px)
   ======================================== */
@media (min-width: 769px) and (max-width: 1024px) {
  .navbar__inner { padding: 0 var(--space-4); }
  .navbar__menu { gap: var(--space-4); }
  .navbar__link { font-size: var(--font-size-sm); }
  .navbar__logo-text { display: none; } /* Show only icon on small tablets to save space */
  .navbar__dropdown-toggle i { display: none; } /* Remove arrows on tablet */
}

/* ========================================
   MOBILE DRAWER REDESIGN (< 768px)
   ======================================== */
@media (max-width: 768px) {
  h1 { font-size: var(--font-size-4xl); }
  h2 { font-size: var(--font-size-3xl); }
  h3 { font-size: var(--font-size-2xl); }

  .navbar { height: 72px; }
  .navbar .container { height: 100%; }

  .navbar__menu {
    position: fixed;
    top: 0;
    inset-inline-end: 0;
    width: 320px;
    height: 100vh;
    background: var(--bg-card) !important;
    backdrop-filter: blur(15px) saturate(180%);
    -webkit-backdrop-filter: blur(15px) saturate(180%);
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    padding: 100px var(--space-8) var(--space-12);
    gap: var(--space-2);
    transform: translateX(100%);
    opacity: 1;
    visibility: visible;
    overflow-y: auto;
    box-shadow: -10px 0 30px rgba(0,0,0,0.1);
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: var(--z-overlay);
  }

  [dir="rtl"] .navbar__menu {
    transform: translateX(-100%);
  }

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

  .navbar__mobile-toggle {
    display: flex;
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
    background: rgba(var(--color-primary-rgb), 0.05);
    border-radius: var(--radius-circle);
    z-index: calc(var(--z-overlay) + 1);
    transition: all 0.3s ease;
  }

  .navbar__mobile-toggle.active {
    background: var(--gradient-primary);
  }

  .navbar__mobile-toggle.active span {
    background: white;
  }

  .navbar__item {
    width: 100%;
    margin-bottom: var(--space-2);
    opacity: 0;
    transform: translateX(30px);
    transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  }

  [dir="rtl"] .navbar__item { transform: translateX(-30px); }

  .navbar.menu-open .navbar__item {
    opacity: 1;
    transform: translateX(0);
  }

  /* Staggered Animations */
  .navbar.menu-open .navbar__item:nth-child(1) { transition-delay: 0.1s; }
  .navbar.menu-open .navbar__item:nth-child(2) { transition-delay: 0.15s; }
  .navbar.menu-open .navbar__item:nth-child(3) { transition-delay: 0.2s; }
  .navbar.menu-open .navbar__item:nth-child(4) { transition-delay: 0.25s; }
  .navbar.menu-open .navbar__item:nth-child(5) { transition-delay: 0.3s; }
  .navbar.menu-open .navbar__item:nth-child(6) { transition-delay: 0.35s; }
  .navbar.menu-open .navbar__item:nth-child(7) { transition-delay: 0.4s; }
  .navbar.menu-open .navbar__item:nth-child(8) { transition-delay: 0.45s; }

  .navbar__link {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
    padding: var(--space-2) 0;
    text-align: start;
    justify-content: flex-start;
    width: 100%;
    border-radius: 0;
  }

  .navbar__dropdown-toggle {
    justify-content: space-between;
    padding: var(--space-2) 0;
  }

  .navbar__dropdown-toggle i { display: none; } /* Remove arrows on mobile */

  .navbar__dropdown-menu {
    position: relative;
    top: 0;
    inset-inline-start: 0;
    min-width: 0 !important;
    width: 100%;
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
    padding: var(--space-2) 0 var(--space-2) var(--space-4);
    margin: 0;
    opacity: 1;
    visibility: visible;
    transform: none;
    display: block;
    text-align: start;
    list-style: none;
  }

  [dir="rtl"] .navbar__dropdown-menu {
    padding: var(--space-2) var(--space-4) var(--space-2) 0;
  }

  .navbar__dropdown-item {
    justify-content: flex-start;
    font-size: var(--font-size-base);
    color: var(--text-secondary);
    padding: var(--space-2) 0;
  }



  .navbar__mobile-login {
    width: 100%;
    margin-top: var(--space-6);
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s ease 0.55s;
  }

  .navbar.menu-open .navbar__mobile-login {
    opacity: 1;
    transform: translateY(0);
  }

  .navbar__actions .btn {
    display: none;
  }
}

@media (max-width: 480px) {
  h1 { font-size: var(--font-size-3xl); }
  h2 { font-size: var(--font-size-2xl); }
  
  .container { padding-inline: var(--space-4); }
  .btn--lg { padding: var(--space-3) var(--space-6); }
}