/* =========================================
   REUSABLE COMPONENTS
   Cards, Grids, Modals, and more
========================================= */

/* ===== CARDS SYSTEM ===== */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
  margin-top: 50px;
  align-items: stretch;
}

.card {
  background: var(--glass-bg);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-radius: 20px;
  padding: 32px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: 0;
}

.card:hover::before {
  opacity: 0.05;
}

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

.card > * {
  position: relative;
  z-index: 1;
}

/* Card variants */
.card-featured {
  border: 2px solid var(--primary);
  background: linear-gradient(135deg, var(--glass-bg), var(--surface));
}

.card-minimal {
  padding: 24px;
  border-radius: 16px;
}

/* ===== MODAL SYSTEM ===== */
.modal {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.modal.show {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background: var(--bg);
  border-radius: 24px;
  padding: 40px;
  max-width: 600px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-xl);
  transform: scale(0.9);
  transition: transform 0.3s ease;
}

.modal.show .modal-content {
  transform: scale(1);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.modal-close {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 1.2rem;
}

.modal-close:hover {
  background: var(--danger);
  color: white;
  transform: rotate(90deg);
}

/* ===== ALERT SYSTEM ===== */
.alert {
  padding: 16px 20px;
  border-radius: 12px;
  border: 1px solid;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.alert-success {
  background: rgba(16, 185, 129, 0.1);
  border-color: var(--success);
  color: var(--success);
}

.alert-warning {
  background: rgba(245, 158, 11, 0.1);
  border-color: var(--warning);
  color: var(--warning);
}

.alert-danger {
  background: rgba(239, 68, 68, 0.1);
  border-color: var(--danger);
  color: var(--danger);
}

.alert-info {
  background: rgba(14, 165, 233, 0.1);
  border-color: var(--primary);
  color: var(--primary);
}

/* ===== BADGE SYSTEM ===== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  border: 1px solid;
}

.badge-primary {
  background: rgba(14, 165, 233, 0.1);
  border-color: var(--primary);
  color: var(--primary);
}

.badge-success {
  background: rgba(16, 185, 129, 0.1);
  border-color: var(--success);
  color: var(--success);
}

.badge-warning {
  background: rgba(245, 158, 11, 0.1);
  border-color: var(--warning);
  color: var(--warning);
}

.badge-danger {
  background: rgba(239, 68, 68, 0.1);
  border-color: var(--danger);
  color: var(--danger);
}

/* ===== TOOLTIP ===== */
[data-tooltip] {
  position: relative;
  cursor: pointer;
}

[data-tooltip]::before {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) scale(0.9);
  padding: 8px 12px;
  background: var(--heading);
  color: white;
  font-size: 0.85rem;
  border-radius: 8px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: all 0.3s ease;
  z-index: 1000;
}

[data-tooltip]::after {
  content: '';
  position: absolute;
  bottom: calc(100% + 2px);
  left: 50%;
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-top-color: var(--heading);
  opacity: 0;
  transition: opacity 0.3s ease;
}

[data-tooltip]:hover::before,
[data-tooltip]:hover::after {
  opacity: 1;
  transform: translateX(-50%) scale(1);
}

/* ===== LOADING SPINNER ===== */
.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.spinner-small {
  width: 20px;
  height: 20px;
  border-width: 2px;
}

.spinner-large {
  width: 60px;
  height: 60px;
  border-width: 6px;
}

/* ===== PROGRESS BAR ===== */
.progress {
  width: 100%;
  height: 8px;
  background: var(--surface);
  border-radius: 999px;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  border-radius: 999px;
  transition: width 0.3s ease;
}

/* ===== TABS ===== */
.tabs {
  display: flex;
  gap: 8px;
  border-bottom: 2px solid var(--border);
  margin-bottom: 32px;
}

.tab {
  padding: 12px 24px;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: all 0.3s ease;
}

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

.tab.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}
/* =========================================
   FAQ Component
========================================= */

.faq-item {
  border-radius: 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  margin-bottom: 18px;
  overflow: hidden;
  transition: box-shadow .4s ease, transform .4s ease;
    font-family: "Vazir", Tahoma, sans-serif;
}

.faq-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 24px 60px rgba(0,0,0,.08);
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  padding: 22px 24px;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
    font-family: "Vazir", Tahoma, sans-serif;
}

.faq-question::after {
  content: "＋";
  font-size: 1.4rem;
  transition: transform .3s ease;
}

.faq-item.active .faq-question::after {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  padding: 0 24px;
  color: var(--text);
  opacity: .85;
  line-height: 1.8;
  transition:
    max-height .5s cubic-bezier(.2,.8,.2,1),
    padding .4s ease;
}

.faq-item.active .faq-answer {
  max-height: 500px;
  padding: 0 24px 22px;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .cards-grid {
    grid-template-columns: 1fr;
  }

  .modal-content {
    padding: 24px;
  }

  .tabs {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .tab {
    white-space: nowrap;
  }
}