/* ============================================================
   MÜŞKÜLPESENT — Animasyonlar
   ============================================================ */

/* ── 1. KİTAP AÇILIŞ OVERLAY ─────────────────────────────── */

#bookOverlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  pointer-events: none;
}

.book-panel {
  width: 50%;
  height: 100%;
  background: var(--deep-green);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

/* Geometrik arka plan deseni */
.book-panel::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient( 45deg, transparent 0, transparent 14px, rgba(201,168,76,.10) 14px, rgba(201,168,76,.10) 15px),
    repeating-linear-gradient(-45deg, transparent 0, transparent 14px, rgba(201,168,76,.10) 14px, rgba(201,168,76,.10) 15px);
  pointer-events: none;
}

/* Cilt gölgesi */
.book-panel-l::after {
  content: '';
  position: absolute;
  right: 0; top: 0; bottom: 0;
  width: 60px;
  background: linear-gradient(90deg, transparent, rgba(0,0,0,.45));
  pointer-events: none;
}
.book-panel-r::after {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 60px;
  background: linear-gradient(270deg, transparent, rgba(0,0,0,.45));
  pointer-events: none;
}

.book-panel-l { justify-content: flex-end; padding-right: 5vw; }
.book-panel-r { justify-content: flex-start; padding-left: 5vw; }

.book-text {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: .6rem;
}
.book-panel-l .book-text { align-items: flex-end; text-align: right; }
.book-panel-r .book-text { align-items: flex-start; text-align: left; }

.book-ornament { color: var(--gold); font-size: 1.5rem; opacity: .7; letter-spacing: .5rem; }
.book-word {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2.5rem, 7vw, 5.5rem);
  font-weight: 700;
  color: var(--cream);
  letter-spacing: .14em;
  line-height: 1;
}
.book-tagline {
  color: var(--gold-light);
  font-style: italic;
  font-size: clamp(.8rem, 1.5vw, 1.1rem);
  opacity: .75;
}

/* Sayfa çizgisi efekti */
.book-lines {
  position: absolute;
  top: 0; bottom: 0;
  width: 1px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  overflow: hidden;
  opacity: .15;
}
.book-panel-l .book-lines { right: 12px; }
.book-panel-r .book-lines { left: 12px; }
.book-lines::before {
  content: '';
  width: 1px;
  height: 100%;
  background: repeating-linear-gradient(180deg, var(--gold) 0, var(--gold) 4px, transparent 4px, transparent 10px);
  animation: lineScroll 2s linear infinite;
}
@keyframes lineScroll {
  from { transform: translateY(-50%); }
  to   { transform: translateY(0%); }
}

/* Açılış animasyonları */
.book-open .book-panel-l {
  animation: openPageL 1.4s cubic-bezier(.77,0,.175,1) .4s forwards;
}
.book-open .book-panel-r {
  animation: openPageR 1.4s cubic-bezier(.77,0,.175,1) .4s forwards;
}

@keyframes openPageL {
  0%   { transform: translateX(0) rotate(0deg) skewY(0deg); opacity: 1; }
  40%  { opacity: 1; }
  100% { transform: translateX(-115%) rotate(-4deg) skewY(1deg); opacity: 0; }
}
@keyframes openPageR {
  0%   { transform: translateX(0) rotate(0deg) skewY(0deg); opacity: 1; }
  40%  { opacity: 1; }
  100% { transform: translateX(115%) rotate(4deg) skewY(-1deg); opacity: 0; }
}

/* Overlay tamamen kaybolunca */
#bookOverlay.done { display: none; }

/* ── 2. HEADER YÜZEN YILDIZLAR ───────────────────────────── */

.header-star-particle {
  position: absolute;
  color: var(--gold);
  font-size: 1rem;
  opacity: 0;
  pointer-events: none;
  user-select: none;
  animation: floatStar var(--dur, 6s) ease-in-out var(--delay, 0s) infinite;
  z-index: 2;
}

@keyframes floatStar {
  0%   { opacity: 0; transform: translateY(20px) rotate(0deg) scale(.6); }
  20%  { opacity: var(--max-op, .5); }
  80%  { opacity: var(--max-op, .5); }
  100% { opacity: 0; transform: translateY(-40px) rotate(180deg) scale(1); }
}

/* ── 3. SCROLL REVEAL ────────────────────────────────────── */

.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity .65s cubic-bezier(.4,0,.2,1), transform .65s cubic-bezier(.4,0,.2,1);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
/* Stagger çocuklar için */
.reveal-stagger > * {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .55s cubic-bezier(.4,0,.2,1), transform .55s cubic-bezier(.4,0,.2,1);
}
.reveal-stagger.visible > *:nth-child(1) { opacity: 1; transform: none; transition-delay: 0s; }
.reveal-stagger.visible > *:nth-child(2) { opacity: 1; transform: none; transition-delay: .1s; }
.reveal-stagger.visible > *:nth-child(3) { opacity: 1; transform: none; transition-delay: .2s; }
.reveal-stagger.visible > *:nth-child(4) { opacity: 1; transform: none; transition-delay: .3s; }
.reveal-stagger.visible > *:nth-child(5) { opacity: 1; transform: none; transition-delay: .4s; }
.reveal-stagger.visible > *:nth-child(6) { opacity: 1; transform: none; transition-delay: .5s; }

/* ── 4. KART 3D TİLT ─────────────────────────────────────── */

.post-card, .featured-card {
  will-change: transform;
  transition: transform .18s ease, box-shadow .18s ease;
}
.tilt-active {
  transition: none !important;
}

/* ── 5. ALTIN SHIMMER ────────────────────────────────────── */

@keyframes shimmerBorder {
  0%   { background-position: -200% center; }
  100% { background-position: 200% center; }
}

.featured-card::before {
  background: linear-gradient(90deg,
    var(--primary-green) 0%,
    var(--gold) 30%,
    var(--gold-light) 50%,
    var(--gold) 70%,
    var(--primary-green) 100%);
  background-size: 200% auto;
  animation: shimmerBorder 3s linear infinite;
}

/* ── 6. BAŞLIK GLOW ──────────────────────────────────────── */

@keyframes titleGlow {
  0%, 100% { text-shadow: 0 0 0 transparent; }
  50% { text-shadow: 0 0 40px rgba(201,168,76,.18), 0 0 80px rgba(201,168,76,.08); }
}
.site-title {
  animation: titleGlow 4s ease-in-out infinite;
}

/* ── 7. YAZIYİ DAKTİLO YAZI ─────────────────────────────── */

.site-tagline {
  overflow: hidden;
  white-space: nowrap;
  border-right: 2px solid var(--gold);
  width: 0;
  animation:
    typeWriter 1.8s steps(40, end) 2.2s forwards,
    blinkCursor .8s step-end 2.2s 4;
}
@keyframes typeWriter {
  from { width: 0; }
  to   { width: 100%; }
}
@keyframes blinkCursor {
  50% { border-color: transparent; }
}
/* Yazı bittikten sonra cursor kaldır */
@keyframes hideCursor {
  to { border-color: transparent; }
}
.site-tagline.typed {
  animation: hideCursor .1s forwards;
  width: 100%;
}

/* ── 8. WIDGET PULSE (X İKONU) ───────────────────────────── */

.widget-icon {
  animation: iconPulse 2.5s ease-in-out infinite;
}
@keyframes iconPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.2); }
}

/* ── 9. ALTIN ÇİZGİ ANİMASYON ───────────────────────────── */

.header-border {
  background-size: 200% auto;
  animation: borderFlow 4s linear infinite;
}
@keyframes borderFlow {
  0%   { background-position: 0% center; }
  100% { background-position: 200% center; }
}

/* ── 10. KART HOVER PARLAKLIK ───────────────────────────── */

.post-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0) 0%, rgba(255,255,255,.06) 50%, rgba(255,255,255,0) 100%);
  opacity: 0;
  transition: opacity .3s;
  pointer-events: none;
  border-radius: inherit;
}
.post-card { position: relative; }
.post-card:hover::after { opacity: 1; }

/* ── 11. SAYFA GEÇİŞİ ────────────────────────────────────── */

body {
  animation: pageFadeIn .5s ease forwards;
}
@keyframes pageFadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* Kitap açılırken sayfa sabit */
body.book-loading {
  overflow: hidden;
}