/* Dem Halleri başlığının altında, ortak eksende tek okuma daveti. */
.demlen-gallery-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  row-gap: 8px;
  margin-bottom: clamp(10px, calc(8vw - 52px), 53px);
}

.demlen-read-link {
  justify-self: center;
}

.demlen-read-link,
.poem-back {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-height: 44px;
  font: 500 20px / 1.3 var(--serif);
  letter-spacing: .08em;
  color: var(--gold-ink);
  white-space: nowrap;
}

.demlen-read-link:hover,
.poem-back:hover {
  text-decoration: underline;
  text-underline-offset: 6px;
}

.demlen-read-link:focus-visible,
.poem-back:focus-visible {
  outline: 2px solid var(--gold-ink);
  outline-offset: 5px;
}

/* Ayrı beyaz okuma sayfası: metin, başlık ve sessiz geri dönüş. */
.poem-reading-page {
  background: #FFFFFF;
  min-height: 100vh;
}

.poem-return {
  padding-top: clamp(20px, 3vw, 42px);
}

.poem-back {
  font-size: 17px;
}

.demlen-poem {
  padding-top: clamp(24px, 3vw, 44px);
  padding-bottom: clamp(38px, 4vw, 58px);
}

.demlen-poem-inner {
  width: min(100%, 700px);
  margin-inline: auto;
}

.demlen-poem-title {
  margin: 0 0 clamp(30px, 3vw, 44px);
  text-align: center;
  font: 400 36px / 1 var(--serif);
  letter-spacing: 0;
  color: var(--gold);
  white-space: nowrap;
}

.demlen-poem-work,
.demlen-poem-text {
  margin: 0;
  padding: 0;
  border: 0;
}

.demlen-poem-text .demlen-poem-stanza {
  margin: 0 0 1.05em;
  font: 400 var(--editorial-body) / var(--editorial-leading) var(--serif);
  color: var(--ink);
  text-align: left;
  letter-spacing: 0;
}

.demlen-poem-text .demlen-poem-stanza:last-child {
  margin-bottom: 0;
}

.demlen-poem-line {
  display: block;
  overflow-wrap: normal;
  word-break: normal;
}

.demlen-poem-credit {
  display: grid;
  gap: 4px;
  margin-top: 1.4em;
  font: 400 22px / 1.3 var(--serif);
  color: var(--muted);
  text-align: left;
}

.demlen-poem-credit cite {
  font-style: normal;
}

@media (max-width: 600px) {
  .demlen-gallery-head {
    margin-bottom: 3px;
  }

  .demlen-poem {
    padding-top: 24px;
    padding-bottom: 34px;
  }

  .demlen-poem-title {
    margin-bottom: 30px;
  }
}

/* Mühürlü mektup: küçük bir nesne, ölçülü bir açılış. */
.demlen-gallery-head:has(.letter-invitation) {
  row-gap: 28px;
  margin-bottom: clamp(30px, 4vw, 54px);
}

.demlen-gallery-head #demlen-gallery-title {
  text-align: center;
  font-style: italic;
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -.02em;
  color: var(--gold);
}

.letter-invitation {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 6px 12px;
  font-size: 22px;
  font-weight: 400;
  font-style: italic;
  letter-spacing: 0;
  text-decoration: none;
}

.letter-invitation:hover {
  text-decoration: none;
}

.letter-invitation:hover .letter-label {
  text-decoration: underline;
  text-underline-offset: 5px;
}

.letter-envelope {
  position: relative;
  display: block;
  width: 164px;
  height: 110px;
  perspective: 700px;
  isolation: isolate;
  transition: transform 180ms ease;
}

.letter-invitation:hover .letter-envelope {
  transform: translateY(-2px);
}

.letter-back,
.letter-paper,
.letter-pocket,
.letter-flap {
  position: absolute;
  display: block;
}

.letter-back {
  inset: 0;
  background: #f1ece2;
  border: 1px solid #e3dccf;
  box-shadow: 0 5px 14px rgba(20, 18, 16, .07);
  z-index: 0;
}

.letter-paper {
  inset: 12px 16px 10px;
  background: #FFFFFF;
  border: 1px solid #e8e4df;
  z-index: 1;
}

.letter-pocket {
  inset: 0;
  background: #e5ddcf;
  clip-path: polygon(0 0, 50% 52%, 100% 0, 100% 100%, 0 100%);
  z-index: 2;
}

.letter-pocket::after {
  content: '';
  position: absolute;
  inset: 1px;
  background: linear-gradient(148deg, #f7f4ed 49.5%, #f3eee4 50%);
  clip-path: polygon(0 0, 50% 52%, 100% 0, 100% 100%, 0 100%);
}

.letter-flap {
  inset: 0 0 auto;
  height: 64px;
  background: #e3dccf;
  clip-path: polygon(0 0, 100% 0, 50% 100%);
  transform-origin: center top;
  backface-visibility: visible;
  z-index: 3;
}

.letter-flap::after {
  content: '';
  position: absolute;
  inset: 1px 1px 2px;
  background: linear-gradient(180deg, #faf7f1, #f5f0e7);
  clip-path: polygon(0 0, 100% 0, 50% 100%);
}

.letter-seal {
  position: absolute;
  left: calc(50% - 20px);
  top: 42px;
  width: 40px;
  height: auto;
  z-index: 4;
  filter: drop-shadow(0 2px 2px rgba(20, 18, 16, .12));
}

.letter-invitation.is-opening .letter-seal {
  animation: seal-release 320ms ease-in-out forwards;
}

.letter-invitation.is-opening .letter-flap {
  animation: envelope-open 600ms 180ms cubic-bezier(.4, 0, .2, 1) forwards;
}

.letter-invitation.is-opening .letter-paper {
  animation: letter-rise 950ms 550ms cubic-bezier(.4, 0, .2, 1) forwards;
}

@keyframes seal-release {
  to { transform: translateY(-12px) rotate(-7deg); opacity: 0; }
}

@keyframes envelope-open {
  to { transform: rotateX(175deg); z-index: 0; }
}

@keyframes letter-rise {
  to { transform: translateY(-60px); }
}

/* Beyaz mektup modalı: metin ayrı kayar, kapatma her an görünür. */
.poem-modal {
  width: min(940px, calc(100vw - 64px));
  height: min(90dvh, 1040px);
  max-width: none;
  max-height: none;
  margin: auto;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: #FFFFFF;
  color: var(--ink);
  box-shadow: 0 12px 64px rgba(20, 18, 16, .12);
  overflow: hidden;
}

.poem-modal[open] {
  display: flex;
  flex-direction: column;
  animation: letter-reveal 420ms cubic-bezier(.4, 0, .2, 1);
}

.poem-modal::backdrop {
  background: rgba(245, 243, 239, .88);
}

.poem-modal-toolbar {
  display: flex;
  justify-content: flex-end;
  flex-shrink: 0;
  padding: 12px 20px 4px;
  background: #FFFFFF;
}

.poem-modal-close {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 100px;
  min-height: 44px;
  padding: 8px 10px;
  border: 0;
  background: transparent;
  color: var(--gold-ink);
  font: 500 17px / 1.3 var(--serif);
  letter-spacing: .08em;
  cursor: pointer;
}

.poem-modal-close span {
  font-size: 26px;
  line-height: 1;
}

.poem-modal-close:hover {
  color: var(--ink);
}

.poem-modal-close:focus-visible {
  outline: 2px solid var(--gold-ink);
  outline-offset: 2px;
}

.poem-modal-scroll {
  min-height: 0;
  flex: 1;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 12px clamp(28px, 5vw, 72px) 48px;
  -webkit-overflow-scrolling: touch;
}

.poem-modal-scroll:focus-visible {
  outline: 1px solid var(--gold-ink);
  outline-offset: -4px;
}

.poem-modal .demlen-poem-title:focus {
  outline: none;
}

@keyframes letter-reveal {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 600px) {
  .demlen-gallery-head:has(.letter-invitation) {
    row-gap: 24px;
    margin-bottom: 32px;
  }

  .poem-modal {
    width: 100%;
    height: 100dvh;
    margin: 0;
    box-shadow: none;
  }

  .poem-modal-toolbar {
    padding: max(10px, env(safe-area-inset-top)) max(10px, env(safe-area-inset-right)) 4px 10px;
  }

  .poem-modal-scroll {
    padding: 16px max(20px, env(safe-area-inset-right)) max(32px, env(safe-area-inset-bottom)) max(20px, env(safe-area-inset-left));
  }
}

@media (prefers-reduced-motion: reduce) {
  .letter-envelope { transition: none; }
  .letter-invitation:hover .letter-envelope { transform: none; }
  .letter-invitation.is-opening .letter-seal,
  .letter-invitation.is-opening .letter-flap,
  .letter-invitation.is-opening .letter-paper,
  .poem-modal[open] { animation: none; }
}

/* İkiye katlanmış kâğıt: iki yüzey ve tek kat açılımı. */
.poem-unfold {
  display: none;
  position: absolute;
  inset: 64px 20px 20px;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  perspective: 1200px;
  z-index: 2;
}

.poem-modal.is-unfolding .poem-unfold {
  display: flex;
  animation: unfold-surface-fade 2300ms linear forwards;
}

.poem-modal.is-unfolding .poem-modal-scroll {
  visibility: hidden;
}

.folded-letter {
  position: relative;
  width: min(320px, 68vw);
  height: clamp(130px, 30vw, 195px);
  transform-style: preserve-3d;
  transform: translateY(50%) rotateX(8deg) rotateZ(-2deg);
  animation: paper-settle 1900ms cubic-bezier(.4, 0, .2, 1) forwards;
}

.folded-letter-center,
.folded-letter-top {
  position: absolute;
  display: block;
  width: 100%;
  height: 100%;
  border: 1px solid #e7e2d9;
  background: #fffdfa;
  backface-visibility: visible;
  box-shadow: 0 6px 18px rgba(20, 18, 16, .07);
}

.folded-letter-center {
  inset: 0;
  background: linear-gradient(180deg, #f4f0e8, #fffcf7 24%, #fffcf7);
}

.folded-letter-top {
  bottom: 100%;
  transform-origin: center bottom;
  transform: rotateX(-180deg);
  background: linear-gradient(0deg, #eee8dd, #fffcf7 18%);
  z-index: 4;
  animation: unfold-top 1500ms 240ms cubic-bezier(.4, 0, .2, 1) forwards;
}

@keyframes unfold-top {
  to { transform: rotateX(0deg); }
}

@keyframes paper-settle {
  to { transform: translateY(50%) rotateX(0deg) rotateZ(0deg); }
}

@keyframes unfold-surface-fade {
  0%, 83% { opacity: 1; }
  100% { opacity: 0; }
}

.poem-modal.is-reading .poem-modal-scroll {
  animation: reading-reveal 450ms cubic-bezier(.4, 0, .2, 1);
}

@keyframes reading-reveal {
  from { opacity: 0; }
  to { opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
  .poem-unfold { display: none !important; }
  .poem-modal.is-reading .poem-modal-scroll { animation: none; }
}

/* Davet anlaşılır kalsın; açıklama mektubun önüne geçmesin. */
.letter-caption {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.letter-label {
  font-size: 24px;
}

.letter-hint {
  color: var(--gold-ink);
  font: 400 17px / 1.3 var(--serif);
  letter-spacing: 0;
}

.letter-hint-touch { display: none; }

@media (pointer: coarse) {
  .letter-hint-pointer { display: none; }
  .letter-hint-touch { display: inline; }
}

/* Açılan kâğıt, düz ekrandan ayrışan bir okuma yüzeyine dönüşür. */
.poem-modal,
.poem-modal-toolbar {
  background: #f7f5f0;
}

.poem-modal-scroll {
  padding: 12px clamp(20px, 3vw, 40px) 36px;
}

.poem-modal .demlen-poem-inner,
.poem-reading-page .demlen-poem-inner {
  box-sizing: border-box;
  width: min(100%, 820px);
  padding: clamp(32px, 4vw, 52px) clamp(20px, 4vw, 56px) 48px;
  border: 1px solid #e8e1d5;
  background-color: #fffcf7;
  background-image:
    linear-gradient(to bottom,
      transparent calc(50% - 5px),
      rgba(176, 140, 88, .025) calc(50% - 2px),
      rgba(176, 140, 88, .055) 50%,
      rgba(255, 255, 255, .7) calc(50% + 1px),
      transparent calc(50% + 6px)),
    linear-gradient(105deg, rgba(255, 255, 255, .6), transparent 32%, rgba(176, 140, 88, .015));
  box-shadow: 0 2px 4px rgba(20, 18, 16, .025), 0 8px 24px rgba(20, 18, 16, .055);
}

@media (max-width: 600px) {
  .poem-modal-scroll {
    padding: 12px max(10px, env(safe-area-inset-right)) max(24px, env(safe-area-inset-bottom)) max(10px, env(safe-area-inset-left));
  }

  .poem-modal .demlen-poem-inner,
  .poem-reading-page .demlen-poem-inner {
    padding: 32px 16px 36px;
  }
}

/* Mühürlü mektup daveti ortak merkezde. */
.letter-invitation-group {
  display: grid;
  justify-items: center;
  gap: 4px;
}

/* Tek sözcük vurgusu: ortak gövde ölçüsü aynen miras alınır. */
.demlen-reading-column .demlen-autonomous {
  color: #B08C58;
  font-family: inherit;
  font-size: inherit;
  font-weight: inherit;
  line-height: inherit;
  font-style: italic;
}