/* components.css — Yeniden Kullanılabilir UI Bileşenleri */

/* ===== BUTONLAR ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.75rem 1.75rem;
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  line-height: 1;
  border-radius: var(--radius-pill);
  transition: all var(--transition-normal);
  cursor: pointer;
  white-space: nowrap;
  text-decoration: none;
  border: 2px solid transparent;
}

.btn-primary {
  background-color: var(--color-accent);
  color: var(--color-text-inverse);
  border-color: var(--color-accent);
  box-shadow: var(--shadow-teal);
}

.btn-primary:hover {
  background-color: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(var(--color-accent-rgb), 0.30);
  color: var(--color-text-inverse);
}

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

.btn-secondary:hover {
  background-color: var(--color-accent);
  color: var(--color-text-inverse);
  transform: translateY(-2px);
}

.btn-ghost {
  background-color: transparent;
  color: var(--color-accent);
  border-color: transparent;
  padding-left: 0;
  padding-right: 0;
}

.btn-ghost:hover {
  color: var(--color-accent-hover);
  gap: var(--space-md);
}

.btn-light {
  background-color: rgba(255, 255, 255, 0.15);
  color: var(--color-text-inverse);
  border-color: rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(4px);
}

.btn-light:hover {
  background-color: rgba(255, 255, 255, 0.25);
  transform: translateY(-2px);
  color: var(--color-text-inverse);
}

.btn-sm {
  padding: 0.5rem 1.25rem;
  font-size: var(--text-sm);
}

.btn-lg {
  padding: 1rem 2.25rem;
  font-size: var(--text-md);
}

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

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

.card-body {
  padding: var(--space-xl);
}

.card-header {
  overflow: hidden;
}

.card-footer {
  padding: var(--space-lg) var(--space-xl);
  border-top: 1px solid var(--color-border);
}

/* Kurs Kartı */
.course-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  position: relative;
}

.course-card.featured {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-teal);
}

.course-card.featured:hover {
  box-shadow: 0 12px 40px rgba(var(--color-accent-rgb), 0.25);
}

/* ===== BADGE / ETİKET ===== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem 0.75rem;
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.04em;
  border-radius: var(--radius-pill);
  line-height: 1.4;
}

.badge-accent {
  background-color: var(--color-accent-light);
  color: var(--color-accent);
}

.badge-outlined {
  background-color: transparent;
  border: 1.5px solid var(--color-accent);
  color: var(--color-accent);
}

.badge-dark {
  background-color: var(--color-text-primary);
  color: var(--color-text-inverse);
}

.badge-popular {
  background-color: var(--color-accent);
  color: var(--color-text-inverse);
  position: absolute;
  top: var(--space-lg);
  right: var(--space-lg);
}

.badge-success {
  background-color: #E8F5EF;
  color: var(--color-success);
}

/* ===== FORM ===== */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.form-label {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text-primary);
}

.form-label .required {
  color: var(--color-accent);
  margin-left: 2px;
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text-primary);
  background-color: var(--color-bg);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  appearance: none;
}

.form-control:focus {
  outline: none;
  border-color: var(--color-border-focus);
  box-shadow: 0 0 0 3px var(--color-accent-light);
}

.form-control::placeholder {
  color: var(--color-text-muted);
}

.form-control.error {
  border-color: var(--color-error);
}

.form-error {
  font-size: var(--text-sm);
  color: var(--color-error);
  display: none;
}

.form-error.visible {
  display: block;
}

select.form-control {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%235A6475' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
  cursor: pointer;
}

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

/* Checkbox */
.form-check {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  cursor: pointer;
}

.form-check input[type="checkbox"] {
  width: 18px;
  height: 18px;
  min-width: 18px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  appearance: none;
  background: var(--color-bg);
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  margin-top: 2px;
}

.form-check input[type="checkbox"]:checked {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
}

.form-check input[type="checkbox"]:checked::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 5px;
  width: 5px;
  height: 9px;
  border: 2px solid white;
  border-top: none;
  border-left: none;
  transform: rotate(45deg);
}

.form-check-label {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.5;
}

.form-check-label a {
  color: var(--color-accent);
  text-decoration: underline;
}

/* ===== YILDIZLAR ===== */
.stars {
  display: flex;
  gap: 2px;
  color: var(--color-star);
  font-size: 1rem;
}

/* ===== FEATURE LİSTE ===== */
.feature-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.feature-item .check-icon {
  width: 18px;
  height: 18px;
  min-width: 18px;
  color: var(--color-accent);
  margin-top: 1px;
}

/* ===== SOSYAl KANIT ===== */
.social-proof {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.social-proof .stars {
  font-size: 0.875rem;
}

.social-proof-text {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

/* ===== TESTIMONIAL KART ===== */
.testimonial-card {
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-md);
  position: relative;
}

.testimonial-card .quote-mark {
  font-family: var(--font-display);
  font-size: 5rem;
  line-height: 0.5;
  color: var(--color-accent-light);
  position: absolute;
  top: var(--space-lg);
  left: var(--space-lg);
  pointer-events: none;
}

.testimonial-card blockquote {
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--text-md);
  line-height: var(--leading-snug);
  color: var(--color-text-primary);
  margin-bottom: var(--space-lg);
  padding-top: var(--space-lg);
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.testimonial-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--weight-bold);
  color: var(--color-accent);
  font-size: var(--text-md);
  flex-shrink: 0;
}

.testimonial-name {
  font-weight: var(--weight-semibold);
  color: var(--color-text-primary);
  font-size: var(--text-base);
}

.testimonial-role {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* ===== BLOG KART ===== */
.blog-card .card-image {
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--color-accent-light);
}

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

.blog-card:hover .card-image img {
  transform: scale(1.05);
}

.blog-meta {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
  margin-bottom: var(--space-sm);
}

.blog-read-time {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.blog-date {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.blog-excerpt {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin: var(--space-sm) 0 var(--space-md);
}

/* ===== KİTAP KART ===== */
.book-card {
  text-align: center;
  padding: var(--space-lg);
}

.book-card .book-cover {
  width: 100px;
  height: 140px;
  margin: 0 auto var(--space-md);
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  background: var(--color-accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  font-size: 2rem;
}

.book-card .book-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.book-title {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-xs);
}

.book-author {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
}

.book-quote {
  font-size: var(--text-xs);
  font-style: italic;
  color: var(--color-text-secondary);
  line-height: 1.5;
  margin-bottom: var(--space-md);
}

/* ===== STAT KART ===== */
.stat-card {
  text-align: center;
  padding: var(--space-xl) var(--space-lg);
}

.stat-number {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: var(--weight-bold);
  color: var(--color-text-inverse);
  line-height: 1;
  margin-bottom: var(--space-xs);
}

.stat-label {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.8);
  font-weight: var(--weight-medium);
}

/* ===== STEP (Nasıl Çalışır) ===== */
.step-item {
  text-align: center;
  position: relative;
}

.step-number {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-accent-light);
  color: var(--color-accent);
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-md);
  position: relative;
  z-index: 1;
  border: 2px solid var(--color-accent);
}

.step-title {
  font-weight: var(--weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-xs);
  font-size: var(--text-md);
}

.step-desc {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

/* ===== FLOATING BADGE ===== */
.floating-badge {
  position: absolute;
  background: var(--color-accent);
  color: var(--color-text-inverse);
  border-radius: var(--radius-lg);
  padding: var(--space-sm) var(--space-md);
  box-shadow: var(--shadow-lg);
  font-weight: var(--weight-bold);
  white-space: nowrap;
}

.floating-badge .badge-value {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  display: block;
  line-height: 1;
}

.floating-badge .badge-label {
  font-size: var(--text-xs);
  opacity: 0.9;
}

/* ===== CONTACT INFO ===== */
.contact-info-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--color-border);
}

.contact-info-item:last-child {
  border-bottom: none;
}

.contact-info-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-info-icon svg {
  width: 18px;
  height: 18px;
  color: var(--color-accent);
}

.contact-info-text strong {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-text-primary);
}

.contact-info-text span {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

/* ===== FORM BAŞARI/HATA ===== */
.form-success {
  display: none;
  text-align: center;
  padding: var(--space-2xl);
  animation: fadeIn 0.4s ease;
}

.form-success.visible {
  display: block;
}

.form-success-icon {
  width: 64px;
  height: 64px;
  background: #E8F5EF;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-md);
  font-size: 2rem;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ===== TAB FİLTRE ===== */
.tab-filter {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: var(--space-2xl);
}

.tab-btn {
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-pill);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text-secondary);
  background: var(--color-bg-soft);
  border: 1.5px solid var(--color-border);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.tab-btn:hover,
.tab-btn.active {
  background: var(--color-accent);
  color: var(--color-text-inverse);
  border-color: var(--color-accent);
}