/* Hakkımızda — stacking cards (anasayfa ile birebir) */

.stack-cards {
  --card-height: 40vw;
  --card-margin: 4vw;
  --card-top-offset: 1em;
  --stack-card-pad-block: clamp(1.5rem, 3.5vw, 2.5rem);
  --stack-card-pad-inline: max(var(--clip-safe-left), clamp(1.5rem, 4vw, 2.75rem));
  --numcards: 3;
  position: relative;
  z-index: 3;
  padding-bottom: var(--card-margin);
  overflow: visible;
  isolation: isolate;
}

.stack-cards.section-tone--white + #tarihce.history-timeline {
  margin-top: calc(-1 * clamp(1.25rem, 3vh, 2rem));
}

.stack-cards.section {
  clip-path: none;
  -webkit-clip-path: none;
  overflow: visible;
  padding-bottom: var(--card-margin);
}

.stack-cards__intro-wrap {
  margin-bottom: clamp(2rem, 5vw, 3rem);
}

#cards {
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  grid-template-rows: repeat(3, var(--card-height));
  gap: var(--card-margin);
  padding-bottom: calc(2 * var(--card-margin));
  margin: 0 auto;
  max-width: 90vw;
  align-items: start;
  overflow: visible;
}

#cards .card {
  position: sticky;
  top: 10vh;
  height: var(--card-height);
  padding-top: calc(var(--index) * var(--card-top-offset));
  perspective: 1000px;
  align-self: start;
  width: 100%;
  overflow: visible;
}

#cards .card:nth-child(1) {
  --index: 1;
  z-index: 1;
}

#cards .card__lift {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  overflow: visible;
}

#cards .card:nth-child(1) .card__lift {
  filter:
    drop-shadow(0 0 0 1px rgba(17, 56, 89, 0.22))
    drop-shadow(0 6px 18px rgba(17, 56, 89, 0.11))
    drop-shadow(0 16px 40px rgba(17, 56, 89, 0.15))
    drop-shadow(0 32px 64px rgba(17, 56, 89, 0.12));
}

#cards .card:nth-child(2) { --index: 2; z-index: 2; }
#cards .card:nth-child(3) { --index: 3; z-index: 8; }

#cards .card__shell {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  overflow: visible;
  background: transparent;
  --stack-shell-clip: var(--clip-card-shape);
  transform-origin: 50% 0%;
  transform-style: preserve-3d;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  animation: scale-card-shell linear forwards;
  animation-timeline: view();
  animation-range: exit-crossing 0% exit-crossing 100%;
}

#cards .card__shell::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  background: var(--stack-shell-bg, #ffffff);
  clip-path: var(--stack-shell-clip, none);
  -webkit-clip-path: var(--stack-shell-clip, none);
  pointer-events: none;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
}

#cards .card__shell .card__content {
  clip-path: var(--stack-shell-clip, none);
  -webkit-clip-path: var(--stack-shell-clip, none);
}

#cards .card__content {
  box-sizing: border-box;
  position: relative;
  z-index: 1;
  padding: var(--stack-card-pad-block) var(--stack-card-pad-inline);
  width: 100%;
  height: 100%;
  color: #fff;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-end;
  text-align: left;
  gap: clamp(0.65rem, 1.2vw, 0.9rem);
  background: transparent;
  border: none;
  box-shadow: none;
  overflow: visible;
  animation: scale-card-dim linear forwards;
  animation-timeline: view();
  animation-range: exit-crossing 0% exit-crossing 100%;
}

#cards .card:nth-child(1) .card__shell {
  --stack-shell-bg: #ffffff;
  --stack-shell-stroke: rgba(17, 56, 89, 0.16);
  --stack-shell-shadow: rgba(17, 56, 89, 0.1);
  --shadow-color: rgba(17, 56, 89, 0.35);
}

#cards .card:nth-child(1) .card__shell::before {
  filter: none;
}

#cards .card:nth-child(1) .card__content {
  color: var(--brand);
}

#cards .card:nth-child(1) .card__media {
  position: absolute;
  left: max(var(--clip-safe-left), clamp(0.75rem, 2.5vw, 1.5rem));
  top: 50%;
  transform: translateY(-50%);
  width: min(68%, 44rem);
  z-index: 0;
  pointer-events: none;
  padding: 0;
}

#cards .card:nth-child(1) .card__media img {
  display: block;
  width: 100%;
  height: auto;
  max-height: calc(var(--card-height) - clamp(1.25rem, 3vw, 2rem));
  object-fit: contain;
  object-position: center;
  clip-path: var(--clip-card-shape);
  -webkit-clip-path: var(--clip-card-shape);
  filter:
    drop-shadow(0 0 0 1px rgba(17, 56, 89, 0.1))
    drop-shadow(0 10px 28px rgba(17, 56, 89, 0.12));
}

#cards .card__deco {
  position: absolute;
  left: 0;
  bottom: clamp(2rem, 5vh, 3.5rem);
  font-size: clamp(15rem, 42vw, 27rem);
  line-height: 1;
  opacity: 0.09;
  transform-origin: left bottom;
  transform: translate(-34%, 18%) rotate(14deg);
  pointer-events: none;
  user-select: none;
  z-index: 0;
}

#cards .card:nth-child(2) .card__deco {
  color: var(--brand);
  opacity: 0.11;
}

#cards .card:nth-child(3) .card__deco {
  color: #fff;
  opacity: 0.08;
}

#cards .card:nth-child(2) .card__lift {
  filter:
    drop-shadow(0 0 0 1px rgba(17, 56, 89, 0.12))
    drop-shadow(0 16px 40px rgba(17, 56, 89, 0.1));
}

#cards .card:nth-child(2) .card__shell {
  --stack-shell-bg: linear-gradient(135deg, #eef4f8 0%, #d5e4ef 100%);
  --stack-shell-stroke: rgba(17, 56, 89, 0.12);
  --stack-shell-shadow: rgba(17, 56, 89, 0.1);
  --shadow-color: rgba(26, 82, 120, 0.4);
}

#cards .card:nth-child(2) .card__content {
  color: var(--brand);
}

#cards .card:nth-child(3) .card__lift {
  filter:
    drop-shadow(0 0 0 1px rgba(255, 255, 255, 0.14))
    drop-shadow(0 16px 40px rgba(4, 12, 20, 0.28));
}

#cards .card:nth-child(3) .card__shell {
  --stack-shell-bg: var(--blue-bg-gradient);
  --stack-shell-stroke: rgba(255, 255, 255, 0.14);
  --stack-shell-shadow: rgba(4, 12, 20, 0.28);
  --shadow-color: rgba(4, 12, 20, 0.5);
}

#cards .card:nth-child(3) .card__content {
  color: #fff;
}

@keyframes scale-card-shell {
  to {
    transform: scale(0.8) translateY(-10vh) rotateX(-20deg);
  }
}

@keyframes scale-card-dim {
  to { filter: brightness(0.6); }
}

#cards .number {
  font-family: var(--font-display);
  font-size: clamp(4.5rem, 16vw, 9rem);
  font-weight: 500;
  position: absolute;
  left: max(var(--clip-safe-left), 1rem);
  top: var(--clip-safe-top);
  right: auto;
  opacity: 0.14;
  line-height: 0.82;
  letter-spacing: -0.05em;
  pointer-events: none;
  user-select: none;
  z-index: 2;
}

#cards .card:nth-child(1) .number {
  top: calc(var(--clip-safe-top) + 0.25rem);
  left: auto;
  right: max(var(--clip-safe-right), 1rem);
  opacity: 0.12;
  color: var(--brand);
}

#cards .card:nth-child(1) .number,
#cards .card:nth-child(2) .number {
  color: var(--brand);
}

#cards .card:nth-child(3) .number {
  color: #fff;
}

#cards .card__content h2,
#cards .card__content p {
  position: relative;
  z-index: 1;
  width: min(100%, clamp(16rem, 42vw, 28rem));
  margin-left: auto;
}

#cards .card:nth-child(1) .card__content p,
#cards .card:nth-child(2) .card__content p {
  color: var(--muted);
  opacity: 1;
}

#cards .card__content h2 {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.8vw, 2.1rem);
  font-weight: var(--display-weight-soft, 400);
  letter-spacing: var(--display-tracking-soft, 0.06em);
  text-transform: uppercase;
  line-height: 1.12;
  margin: 0;
  color: inherit;
}

#cards .card__content p {
  font-family: var(--font);
  font-size: clamp(0.88rem, 1.15vw, 1rem);
  line-height: 1.6;
  margin: 0;
  color: inherit;
}

#cards .card:nth-child(1) .card__content,
#cards .card:nth-child(2) .card__content,
#cards .card:nth-child(3) .card__content {
  overflow: hidden;
  align-items: flex-end;
  justify-content: center;
  text-align: left;
  padding-top: calc(var(--clip-safe-top) + var(--stack-card-pad-block) + 0.35rem);
  padding-bottom: calc(var(--clip-safe-bottom) + var(--stack-card-pad-block) + 0.35rem);
  padding-inline: max(var(--clip-safe-left), var(--stack-card-pad-inline));
}

#cards .card:nth-child(1) .card__content h2,
#cards .card:nth-child(2) .card__content h2,
#cards .card:nth-child(3) .card__content h2,
#cards .card:nth-child(1) .card__content p,
#cards .card:nth-child(2) .card__content p,
#cards .card:nth-child(3) .card__content p {
  width: min(100%, clamp(18rem, 60vw, 48rem));
  margin-left: auto;
  margin-right: 0;
  text-align: left;
}

#cards .card:nth-child(3) .card__content p {
  color: rgba(255, 255, 255, 0.82);
}

@media (max-width: 767px) {
  .stack-cards {
    --card-height: max(40vw, 420px);
    --stack-card-pad-block: clamp(1.25rem, 4.5vw, 1.75rem);
    --stack-card-pad-inline: max(var(--clip-safe-left), 1.25rem);
  }

  #cards .card:nth-child(2) .card__content,
  #cards .card:nth-child(3) .card__content {
    padding-inline: max(var(--clip-safe-left), 1.65rem);
  }

  #cards .number {
    font-size: clamp(3.25rem, 22vw, 5.5rem);
    left: max(var(--clip-safe-left), 0.75rem);
    right: auto;
  }

  #cards .card:nth-child(1) .number {
    left: auto;
    right: max(var(--clip-safe-right), 0.75rem);
  }

  #cards .card:nth-child(1) .card__media {
    position: relative;
    left: auto;
    top: auto;
    transform: none;
    width: min(100%, 36rem);
    margin: 0 auto 1rem;
  }

  #cards .card:nth-child(1) .card__media img {
    max-height: min(52vw, 320px);
  }

  #cards .card__deco {
    bottom: clamp(1.25rem, 4vh, 2rem);
    font-size: clamp(11rem, 68vw, 17rem);
    transform-origin: left bottom;
    transform: translate(-30%, 14%) rotate(14deg);
  }

  #cards .card:nth-child(1) .card__content h2,
  #cards .card:nth-child(2) .card__content h2,
  #cards .card:nth-child(3) .card__content h2,
  #cards .card:nth-child(1) .card__content p,
  #cards .card:nth-child(2) .card__content p,
  #cards .card:nth-child(3) .card__content p {
    width: min(100%, 28rem);
    margin-left: auto;
    margin-right: 0;
    text-align: left;
  }
}

@media (prefers-reduced-motion: reduce) {
  #cards .card__shell,
  #cards .card__content {
    animation: none !important;
  }
}