/* ============================================================
   components.css — Buttons, Cards, Forms, Tags, Badges
   ============================================================ */

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-ui);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 0.9rem 2rem;
  border: 2px solid transparent;
  transition: background 0.25s var(--ease-smooth), color 0.25s var(--ease-smooth), border-color 0.25s var(--ease-smooth), transform 0.25s var(--ease-smooth);
  cursor: pointer;
  text-decoration: none;
}

.btn--navy {
  background: var(--navy);
  color: var(--cream);
  border-color: var(--navy);
}

.btn--navy:hover {
  background: transparent;
  color: var(--navy);
  border-color: var(--navy);
}

.btn--red {
  background: var(--red);
  color: #fff;
  border-color: var(--red);
}

.btn--red:hover {
  background: transparent;
  color: var(--red);
  border-color: var(--red);
}

.btn--outline {
  background: transparent;
  color: var(--navy);
  border-color: var(--navy);
}

.btn--outline:hover {
  background: var(--navy);
  color: var(--cream);
}

.btn--outline-cream {
  background: transparent;
  color: var(--cream);
  border-color: rgba(238, 217, 164, 0.5);
}

.btn--outline-cream:hover {
  background: rgba(238, 217, 164, 0.1);
  border-color: var(--cream);
}

.btn-arrow {
  display: inline-block;
  transition: transform 0.3s var(--ease-smooth);
}

.btn:hover .btn-arrow {
  transform: translateX(4px);
}

/* ===== TAGS / BADGES ===== */
.tag {
  display: inline-block;
  font-family: var(--font-ui);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--navy);
  border: 1.5px solid var(--border-strong);
  padding: 0.3rem 0.75rem;
  transition: border-color 0.25s, background 0.25s;
}

.tag:hover {
  border-color: var(--navy);
  background: rgba(26, 43, 107, 0.05);
}

.tag--red {
  color: var(--red);
  border-color: rgba(200, 25, 42, 0.35);
}



/* ===== PARTNER ITEMS ===== */
.partners-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  justify-content: center;
  align-items: flex-start;
}

.partner-item {
  width: 200px;
  height: 100px;
  border: 1.5px solid var(--border-subtle);
  background: var(--cream-light);
  overflow: hidden;
  transition: border-color 0.3s, transform 0.3s var(--ease-smooth);
}

.partner-item:hover {
  border-color: var(--navy);
  transform: translateY(var(--hover-lift));
}

.partner-logo-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  padding: 0.9rem 1.1rem;
}

.partner-logo-img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  filter: grayscale(30%);
  transition: filter 0.3s;
}

.partner-logo-link:hover .partner-logo-img {
  filter: grayscale(0%);
}

.partner-placeholder {
  font-family: var(--font-ui);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(26, 43, 107, 0.3);
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 90px;
}


/* ===== TRAINING PREVIEW CARDS (Ana Sayfa) ===== */
.preview-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1rem;
}

.preview-card {
  background: var(--cream-light);
  border: 1.5px solid var(--border-subtle);
  padding: 1.5rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  transition: border-color 0.3s, transform 0.3s var(--ease-smooth);
  text-decoration: none;
  position: relative;
  isolation: isolate;
  overflow: hidden;
  will-change: transform;
}

.preview-card:hover {
  border-color: var(--red);
  transform: translateY(var(--hover-lift));
}

.preview-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 60%, rgba(26, 43, 107, 0.05));
  opacity: 0;
  transition: opacity 0.3s var(--ease-smooth);
  pointer-events: none;
  z-index: -1;
}

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

.preview-card-num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: rgba(26, 43, 107, 0.14);
  line-height: 1;
}


.preview-card-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--navy);
  line-height: 1.35;
}

/* ===== ABOUT FEATURES ===== */
.features-list {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.feature-item {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
}

.feature-bar {
  flex-shrink: 0;
  width: 3px;
  min-height: 64px;
  background: var(--red);
}

.feature-content h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--cream);
  margin-bottom: 0.4rem;
}

.feature-content p {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 300;
  color: var(--text-on-inverse-muted);
  line-height: 1.65;
}

/* ===== COURSE FILTERS ===== */
.course-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2.5rem;
  justify-content: center;
}

.course-filter-btn {
  font-family: var(--font-ui);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.5rem 1.1rem;
  border: 1.5px solid var(--border-medium);
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}

.course-filter-btn:hover {
  border-color: var(--navy);
  color: var(--navy);
}

.course-filter-btn.active {
  background: var(--navy);
  border-color: var(--navy);
  color: var(--cream);
}

/* ===== COURSE LIST ACCORDION ===== */
.course-list {
  border-top: 1px solid var(--border-medium);
}

.course-item {
  border-bottom: 1px solid var(--border-medium);
}

.course-header {
  display: grid;
  grid-template-columns: 3rem 1fr auto;
  gap: 2rem;
  align-items: center;
  padding: 1.75rem 0;
  cursor: pointer;
  user-select: none;
  transition: background 0.2s;
}

.course-header:hover .course-title {
  color: var(--red);
}

.course-num {
  font-family: var(--font-ui);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--red);
}

.course-info {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.course-cat {
  font-family: var(--font-ui);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.course-title {
  font-family: var(--font-display);
  font-size: clamp(1rem, 2vw, 1.3rem);
  font-weight: 700;
  color: var(--navy);
  line-height: 1.25;
  transition: color 0.25s;
}

.course-header-right {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-shrink: 0;
}

.course-duration-badge {
  font-family: var(--font-ui);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  white-space: nowrap;
}

.course-duration {
  font-family: var(--font-ui);
  font-size: 0.82rem;
  line-height: 1.8;
  color: var(--text-muted);
  border-left: 2px solid var(--crimson);
  padding-left: 0.75rem;
  align-self: start;
}

.course-duration strong {
  color: var(--navy);
  font-weight: 600;
}

.course-toggle {
  width: 34px;
  height: 34px;
  border: 1.5px solid var(--border-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  cursor: pointer;
  background: transparent;
  transition: background 0.25s, border-color 0.25s;
}

.course-toggle:hover {
  background: var(--navy);
  border-color: var(--navy);
}

.course-toggle-icon {
  position: relative;
  width: 12px;
  height: 1.5px;
  background: var(--navy);
  transition: background 0.25s;
}

.course-toggle-icon::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--navy);
  transform: rotate(90deg);
  transition: transform 0.3s var(--ease-smooth), background 0.25s;
}

.course-toggle:hover .course-toggle-icon,
.course-toggle:hover .course-toggle-icon::before {
  background: var(--cream);
}

.course-item.open .course-toggle {
  background: var(--navy);
  border-color: var(--navy);
}

.course-item.open .course-toggle-icon,
.course-item.open .course-toggle-icon::before {
  background: var(--cream);
}

.course-item.open .course-toggle-icon::before {
  transform: rotate(0deg);
}

.course-body {
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.45s var(--ease-smooth);
}

.course-item.open .course-body {
  max-height: 900px;
}

.course-body-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem 4rem;
  padding: 0.5rem 0 1.25rem 5rem;
}

.course-body-label {
  font-family: var(--font-ui);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 0.75rem;
}

.course-body-list {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.course-body-list li {
  font-family: var(--font-display);
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.6;
  padding-left: 1.1rem;
  position: relative;
}

.course-body-list li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--red);
  font-size: 0.65rem;
  top: 0.2em;
}

.course-tags-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 1.5rem 0 2rem 5rem;
  border-top: 1px solid var(--border-subtle);
  margin-top: 0.25rem;
}

.catalog-cta {
  text-align: center;
  margin-top: 4rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--border-subtle);
}

.catalog-cta p {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 400;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

/* ===== MOBILE ADJUSTMENTS ===== */
@media (max-width: 768px) {
  .course-header {
    grid-template-columns: 2.5rem 1fr auto;
    gap: 1rem;
    padding: 1.25rem 0;
  }

  .course-duration-badge {
    display: none;
  }

  .course-body-inner {
    grid-template-columns: 1fr;
    padding: 0.5rem 0 1.5rem 3.5rem;
    gap: 1.25rem;
  }

  .course-tags-row {
    padding: 1.25rem 0 1.5rem 3.5rem;
  }

  .preview-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (max-width: 480px) {
  .preview-grid {
    grid-template-columns: 1fr 1fr;
  }

  .course-header {
    grid-template-columns: 2rem 1fr auto;
    gap: 0.6rem;
    padding: 1rem 0;
  }

  .course-body-inner {
    padding: 0.5rem 0 1.25rem 2.5rem;
  }

  .course-tags-row {
    padding: 0 0 1.25rem 2.5rem;
  }
}