/* ==========================================================================
   Component Styles: Cards, Grids, Forms, Modals & UI Elements
   ========================================================================== */

/* Grid Systems */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  width: 100%;
  max-width: 100%;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  width: 100%;
  max-width: 100%;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  width: 100%;
  max-width: 100%;
}

.grid-2 > *, .grid-3 > *, .grid-4 > * {
  min-width: 0;
  max-width: 100%;
}

@media (max-width: 1024px) {
  .grid-3, .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .grid-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

/* ==========================================================================
   Course Cards
   ========================================================================== */

.course-card {
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  position: relative;
}

.course-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary-300);
}

.course-image-wrap {
  position: relative;
  height: 220px;
  overflow: hidden;
  background: var(--bg-tertiary);
}

.course-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.course-card:hover .course-image-wrap img {
  transform: scale(1.08);
}

.course-duration-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: rgba(14, 75, 82, 0.9);
  backdrop-filter: blur(8px);
  color: #ffffff;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 700;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.course-level-badge {
  position: absolute;
  bottom: 1rem;
  left: 1rem;
  background: linear-gradient(135deg, var(--accent-600), var(--accent-500));
  color: #ffffff;
  padding: 0.3rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.course-body {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.course-title {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.course-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.course-highlights {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1rem 0;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 1.5rem;
}

.highlight-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.highlight-item svg {
  width: 16px;
  height: 16px;
  stroke: var(--primary-600);
  flex-shrink: 0;
}

[data-theme="dark"] .highlight-item svg {
  stroke: var(--primary-400);
}

.course-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

@media (max-width: 480px) {
  .course-footer {
    flex-direction: column;
    gap: 0.6rem;
  }
  .course-footer .btn {
    width: 100%;
    text-align: center;
  }
}

/* ==========================================================================
   Feature & Value Proposition Cards
   ========================================================================== */

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.25rem 2rem;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-600), var(--accent-500));
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary-200);
}

[data-theme="dark"] .feature-card:hover {
  border-color: rgba(45, 212, 191, 0.3);
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-icon-box {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-md);
  background: var(--primary-50);
  color: var(--primary-700);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  transition: all var(--transition-normal);
}

[data-theme="dark"] .feature-icon-box {
  background: rgba(13, 148, 136, 0.2);
  color: var(--primary-300);
}

.feature-card:hover .feature-icon-box {
  background: var(--primary-700);
  color: #ffffff;
  transform: scale(1.05);
}

[data-theme="dark"] .feature-card:hover .feature-icon-box {
  background: var(--primary-500);
  color: #ffffff;
}

.feature-icon-box svg {
  width: 28px;
  height: 28px;
}

.feature-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.feature-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ==========================================================================
   Step-by-Step Educational / Admission Process
   ========================================================================== */

.steps-timeline {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  position: relative;
  margin-top: 2rem;
}

@media (max-width: 900px) {
  .steps-timeline {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
}

.step-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  position: relative;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  width: 100%;
  max-width: 100%;
}

@media (max-width: 640px) {
  .step-card {
    padding: 2.25rem 1.25rem 1.5rem 1.25rem;
  }
}

.step-card:hover {
  transform: translateY(-4px);
  border-color: var(--primary-400);
  box-shadow: var(--shadow-xl);
}

.step-number {
  position: absolute;
  top: -1.25rem;
  left: 2rem;
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--primary-700), var(--primary-500));
  color: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 800;
  box-shadow: 0 4px 10px rgba(14, 75, 82, 0.3);
}

@media (max-width: 640px) {
  .step-number {
    left: 1.25rem;
    width: 38px;
    height: 38px;
    font-size: 1rem;
    top: -1rem;
  }
}

.step-title {
  font-size: 1.3rem;
  font-weight: 700;
  margin-top: 0.5rem;
  margin-bottom: 0.75rem;
}

.step-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ==========================================================================
   Interactive FAQ Accordion
   ========================================================================== */

.faq-container {
  max-width: 840px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition-fast);
}

.faq-item:hover {
  border-color: var(--primary-300);
}

.faq-question {
  width: 100%;
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  background: transparent;
  border: none;
  cursor: pointer;
  text-align: left;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  transition: color var(--transition-fast);
}

.faq-question:hover {
  color: var(--primary-600);
}

[data-theme="dark"] .faq-question:hover {
  color: var(--primary-300);
}

.faq-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  transition: transform var(--transition-normal);
  color: var(--primary-600);
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease-out, padding 0.4s ease-out;
  padding: 0 1.5rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding-bottom: 1.25rem;
}

/* ==========================================================================
   Form Controls & Interactive Inputs
   ========================================================================== */

.form-group {
  margin-bottom: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
}

.form-label .required {
  color: #ef4444;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 0.85rem 1.15rem;
  font-size: 0.95rem;
  color: var(--text-primary);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  outline: none;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--primary-500);
  box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.15);
}

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

.form-checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
  cursor: pointer;
  line-height: 1.5;
}

.form-checkbox-label input[type="checkbox"] {
  margin-top: 0.2rem;
  width: 18px;
  height: 18px;
  accent-color: var(--primary-600);
  cursor: pointer;
}

/* ==========================================================================
   Modals & Popups
   ========================================================================== */

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(6px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.modal-backdrop.open {
  opacity: 1;
  visibility: visible;
}

.modal-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  max-width: 600px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
  transform: scale(0.95);
  transition: transform var(--transition-normal);
}

.modal-backdrop.open .modal-card {
  transform: scale(1);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem;
  border-bottom: 1px solid var(--border-color);
}

@media (max-width: 480px) {
  .modal-header {
    padding: 1rem 1.25rem;
  }
}

.modal-title {
  font-size: 1.35rem;
  font-weight: 700;
}

@media (max-width: 480px) {
  .modal-title {
    font-size: 1.15rem;
  }
}

.modal-close-btn {
  background: transparent;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-muted);
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: all var(--transition-fast);
}

.modal-close-btn:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.modal-body {
  padding: 1.5rem;
}

@media (max-width: 480px) {
  .modal-body {
    padding: 1rem 1.25rem;
  }
}

/* Toast Notification */
.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 3000;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-width: calc(100vw - 2rem);
}

@media (max-width: 480px) {
  .toast-container {
    bottom: 1rem;
    right: 1rem;
    left: 1rem;
  }
}

.toast {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  color: var(--text-primary);
  font-size: 0.925rem;
  font-weight: 600;
  transform: translateX(100%);
  transition: transform var(--transition-smooth);
}

.toast.show {
  transform: translateX(0);
}

.toast-success {
  border-left: 4px solid #10b981;
}

.toast-error {
  border-left: 4px solid #ef4444;
}

/* Floating Quick Action Buttons (Call / WhatsApp / Back to top) */
.floating-actions-container {
  position: fixed;
  bottom: 1.5rem;
  left: 1.5rem;
  z-index: 99;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

@media (max-width: 480px) {
  .floating-actions-container {
    bottom: 1rem;
    left: 1rem;
    gap: 0.5rem;
  }
}

.floating-action-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  box-shadow: var(--shadow-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
}

@media (max-width: 480px) {
  .floating-action-btn {
    width: 42px;
    height: 42px;
  }
  .floating-action-btn svg {
    width: 20px;
    height: 20px;
  }
}

.floating-action-btn:hover {
  transform: scale(1.1);
}

.btn-whatsapp {
  background: #25D366;
}

.btn-phone {
  background: var(--primary-700);
}

.btn-backtotop {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
}

@media (max-width: 480px) {
  .btn-backtotop {
    bottom: 1rem;
    right: 1rem;
    width: 42px;
    height: 42px;
  }
  .btn-backtotop svg {
    width: 20px;
    height: 20px;
  }
}

.btn-backtotop.visible {
  opacity: 1;
  visibility: visible;
}