/**
 * Gönül İncileri — Özel CSS
 * Tema renkleri, arabesk pattern, animasyonlar
 */

/* 1. CSS Custom Properties */
:root {
  --color-primary:     #065f46;
  --color-secondary:   #10b981;
  --color-accent:      #d4a017;
  --color-surface:     #f0fdf4;
  --color-text:        #1a2e1a;
  --color-muted:       #6b7280;
  --color-card-bg:     #ffffff;
  --color-border:      #d1fae5;
}

/* 2. Arabesk/İslami Geometrik SVG Pattern */
.pattern-bg {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='80' height='80' viewBox='0 0 80 80'%3E%3Cpath fill='%23065f46' fill-opacity='0.08' d='M40 0l8 16 16 0-8 16 8 16-16 0-8 16-8-16-16 0 8-16-8-16 16 0 8-16z'/%3E%3C/svg%3E");
  background-size: 80px 80px;
  background-repeat: repeat;
}

.pattern-bg-subtle {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='60' viewBox='0 0 60 60'%3E%3Cpath fill='%23065f46' fill-opacity='0.04' d='M30 0l5 10 10 0-5 10 5 10-10 0-5 10-5-10-10 0 5-10-5-10 10 0 5-10z'/%3E%3C/svg%3E");
  background-size: 60px 60px;
  background-repeat: repeat;
}

.pattern-overlay-surface {
  position: relative;
  isolation: isolate;
}

.pattern-overlay-surface::before {
  content: '';
  position: absolute;
  inset: -1px;
  z-index: 0;
  pointer-events: none;
  background-image: linear-gradient(135deg, var(--surface-pattern-start, #7F1D1D), var(--surface-pattern-end, #B91C1C));
  background-repeat: no-repeat;
  background-position: top left;
  background-size: cover;
  opacity: var(--surface-pattern-opacity, 0.22);
  -webkit-mask-image: var(--surface-pattern-image, none);
  -webkit-mask-repeat: var(--surface-pattern-repeat, repeat);
  -webkit-mask-position: top left;
  -webkit-mask-size: var(--surface-pattern-scale, 240px) auto;
  mask-image: var(--surface-pattern-image, none);
  mask-repeat: var(--surface-pattern-repeat, repeat);
  mask-position: top left;
  mask-size: var(--surface-pattern-scale, 240px) auto;
}

.pattern-overlay-surface > * {
  position: relative;
  z-index: 1;
}

.pattern-readable-panel {
  display: var(--surface-text-panel-display, block);
  background: rgba(255, 255, 255, var(--surface-text-panel-opacity, 0.82));
  backdrop-filter: blur(var(--surface-text-panel-blur, 6px));
  -webkit-backdrop-filter: blur(var(--surface-text-panel-blur, 6px));
  border: 1px solid rgba(255, 255, 255, 0.75);
  border-radius: var(--surface-text-panel-radius, 24px);
  box-shadow: 0 12px 34px rgba(15, 23, 42, 0.08);
}

.pattern-readable-panel--inline {
  width: fit-content;
  max-width: 100%;
  margin-left: auto;
  margin-right: auto;
  padding: 1rem 1.5rem;
}

.pattern-readable-panel--content {
  padding: 1.25rem;
}

@media (min-width: 640px) {
  .pattern-readable-panel--content {
    padding: 1.5rem 1.75rem;
  }
}

/* 3. Typography helpers */
.font-display {
  font-family: 'Playfair Display', serif;
}

.font-body {
  font-family: 'Nunito', sans-serif;
}

/* 4. Section Title Decorator */
.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: var(--color-accent);
  margin: 12px auto 0;
  border-radius: 2px;
}

/* 5. Card hover animasyonu */
.book-card {
  border: 1px solid rgba(6, 95, 70, 0.2);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.book-card:hover {
  transform: translateY(-4px);
  border-color: rgba(6, 95, 70, 0.35);
}

.book-cover-link {
  display: block;
  overflow: hidden;
  border: 1px solid rgba(6, 95, 70, 0.28);
  border-radius: 0.75rem;
}

.book-cover-image {
  transition: transform 0.35s ease, filter 0.35s ease;
}

.book-card:hover .book-cover-image,
.book-cover-link:hover .book-cover-image {
  transform: scale(1.04);
  filter: saturate(1.08);
}

.book-card:hover .book-cover-link {
  border-color: rgba(6, 95, 70, 0.42);
}

.audio-card {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.audio-card:hover {
  transform: translateY(-4px);
}

/* 6. Smooth gradient overlay hero için */
.hero-overlay {
  background: linear-gradient(
    135deg,
    rgba(6, 95, 70, 0.85) 0%,
    rgba(16, 185, 129, 0.60) 100%
  );
}

/* 7. Navbar scroll shrink */
.navbar-scrolled {
  padding-top: 0.25rem;
  padding-bottom: 0.25rem;
}

.navbar-scrolled .nav-logo {
  font-size: 1.1rem;
}

/* 8. Mobile menu slide-down animasyonu */
@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.mobile-menu-open {
  animation: slideDown 0.25s ease forwards;
}

/* 9. Buton stilleri */
.btn-primary {
  background: var(--color-primary);
  color: #fff;
  border-radius: 0.5rem;
  padding: 0.4rem 0.75rem;
  font-size: 0.85rem;
  font-weight: 600;
  transition: background 0.2s ease;
}

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

.btn-outline {
  border: 1.5px solid var(--color-primary);
  color: var(--color-primary);
  border-radius: 0.5rem;
  padding: 0.4rem 0.75rem;
  font-size: 0.85rem;
  font-weight: 600;
  transition: all 0.2s ease;
}

.btn-outline:hover {
  background: var(--color-primary);
  color: #fff;
}

/* 10. Scroll animasyonu */
.fade-in-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.fade-in-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* 11. Line-clamp */
.line-clamp-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* 12. Placeholder görsel */
.cover-placeholder {
  background: linear-gradient(135deg, #d1fae5, #6ee7b7);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  font-size: 2.5rem;
}

/* 13. Scroll indicator ok animasyonu */
@keyframes bounce {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(8px);
  }
}

.scroll-indicator {
  animation: bounce 1.6s ease-in-out infinite;
}

/* 14. Top bar */
.top-bar {
  background: var(--color-primary);
}

/* 15. Footer */
footer a:hover {
  color: var(--color-accent);
  transition: color 0.2s;
}

/* 16. Mobile responsive tuning */
@media (max-width: 640px) {
  .btn-primary,
  .btn-outline {
    font-size: 0.8rem;
    padding: 0.38rem 0.6rem;
  }

  .section-title::after {
    width: 48px;
    margin-top: 10px;
  }
}

/* 17. Detail page carousel */
.no-scrollbar {
  -ms-overflow-style: none;
  scrollbar-width: none;
}

.no-scrollbar::-webkit-scrollbar {
  display: none;
}

.detail-carousel-track {
  scroll-behavior: smooth;
}

.carousel-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 36px;
  height: 36px;
  border-radius: 9999px;
  border: 1px solid rgba(6, 95, 70, 0.28);
  background: rgba(255, 255, 255, 0.92);
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  transition: all 0.2s ease;
  z-index: 5;
}

.carousel-arrow:hover {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

.carousel-arrow-prev {
  left: -10px;
}

.carousel-arrow-next {
  right: -10px;
}

@media (max-width: 640px) {
  .carousel-arrow {
    width: 32px;
    height: 32px;
  }

  .carousel-arrow-prev {
    left: -6px;
  }

  .carousel-arrow-next {
    right: -6px;
  }
}