/* =============================================================================
   COMPONENTS — Butonlar, kartlar, rozetler, form öğeleri, breadcrumb
   Sitenin tamamında yeniden kullanılan arayüz parçaları.
   ========================================================================== */

/* -----------------------------------------------------------------------------
   1. Butonlar
   -------------------------------------------------------------------------- */
.btn-ak {
  --btn-bg:     var(--ink);
  --btn-fg:     var(--white);
  --btn-border: var(--ink);

  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-3);
  padding: 1.05rem 2.35rem;
  border: 1px solid var(--btn-border);
  border-radius: var(--r-pill);
  background: var(--btn-bg);
  color: var(--btn-fg);
  font-family: var(--font-sans);
  font-size: var(--fs-xs);
  font-weight: 400;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  line-height: 1;
  white-space: nowrap;
  cursor: pointer;
  overflow: hidden;
  isolation: isolate;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

/* Dolgu, alt kenardan yukarı doğru büyüyerek hover'da rengi devralır */
.btn-ak::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  background: var(--rose-deep);
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform var(--dur) var(--ease-out);
}
.btn-ak:hover::before,
.btn-ak:focus-visible::before { transform: scaleY(1); }

.btn-ak:hover, .btn-ak:focus-visible {
  color: var(--white);
  border-color: var(--rose-deep);
}

/* Ok ikonu hover'da ileri kayar */
.btn-ak i { font-size: 1.05em; transition: transform var(--dur) var(--ease-out); }
.btn-ak:hover i { transform: translateX(4px); }

/* Varyantlar */
.btn-ak--outline { --btn-bg: transparent; --btn-fg: var(--ink); --btn-border: var(--ink-200); }
.btn-ak--light   { --btn-bg: var(--white); --btn-fg: var(--ink); --btn-border: var(--white); }
.btn-ak--ghost   { --btn-bg: transparent; --btn-fg: var(--white); --btn-border: rgba(255,255,255,0.35); }
.btn-ak--rose    { --btn-bg: var(--rose-deep); --btn-fg: var(--white); --btn-border: var(--rose-deep); }
.btn-ak--rose::before { background: var(--ink); }

.btn-ak--sm { padding: 0.8rem 1.6rem; font-size: 0.72rem; }
.btn-ak--lg { padding: 1.25rem 3rem; }
.btn-ak--block { display: flex; width: 100%; }

/* Metin bağlantısı — altı çizgi hover'da soldan sağa büyür */
.link-ak {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding-bottom: 4px;
  color: var(--ink);
  font-size: var(--fs-xs);
  font-weight: 400;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.link-ak::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--dur) var(--ease-out);
}
.link-ak:hover { color: var(--rose-deep); }
.link-ak:hover::after { transform: scaleX(1); transform-origin: left; }
.link-ak i { transition: transform var(--dur) var(--ease-out); }
.link-ak:hover i { transform: translateX(4px); }
.link-ak--invert { color: var(--white); }
.link-ak--invert:hover { color: var(--rose-soft); }

/* -----------------------------------------------------------------------------
   2. Rozetler ve etiketler
   -------------------------------------------------------------------------- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: 0.42rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: transparent;
  color: var(--ink-600);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  line-height: 1;
}
.tag--rose { border-color: var(--line-rose); background: var(--rose-wash); color: var(--rose-deep); }
.tag--solid { border-color: var(--ink); background: var(--ink); color: var(--white); }

/* Numaralandırma çipi — süreç adımlarında kullanılır */
.chip-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px; height: 46px;
  border: 1px solid var(--line-rose);
  border-radius: 50%;
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--rose-deep);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}

/* -----------------------------------------------------------------------------
   3. Kart — genel
   -------------------------------------------------------------------------- */
.card-ak {
  position: relative;
  display: flex;
  flex-direction: column;
  height: 100%;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-lg);
  background: var(--white);
  overflow: hidden;
  transition: transform var(--dur) var(--ease-out),
              box-shadow var(--dur) var(--ease-out),
              border-color var(--dur) var(--ease);
}
.card-ak:hover {
  transform: translateY(-6px);
  box-shadow: var(--sh-lg);
  border-color: transparent;
}
.card-ak__body { padding: clamp(1.5rem, 2.2vw, 2.25rem); flex: 1; }
.card-ak__title { margin-bottom: var(--sp-3); font-size: var(--fs-h3); }
.card-ak__text { margin-bottom: 0; color: var(--ink-400); font-size: var(--fs-sm); }

/* -----------------------------------------------------------------------------
   4. Kart — ürün / kategori (görsel üstü katman)
   -------------------------------------------------------------------------- */
.product-card {
  position: relative;
  display: block;
  overflow: hidden;
  border-radius: var(--r-lg);
  background: var(--ink);
  color: var(--white);
  isolation: isolate;
}
.product-card__media { position: relative; overflow: hidden; }
.product-card__media img,
.product-card__media picture {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 1.05s var(--ease-out), filter var(--dur) var(--ease);
}
.product-card:hover .product-card__media img { transform: scale(1.06); }

/* Metnin okunabilirliği için alttan yukarı koyulaşan katman */
.product-card__veil {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top,
              rgba(20, 16, 14, 0.86) 0%,
              rgba(20, 16, 14, 0.52) 34%,
              rgba(20, 16, 14, 0.06) 68%,
              rgba(20, 16, 14, 0) 100%);
  transition: opacity var(--dur) var(--ease);
}
.product-card:hover .product-card__veil { opacity: 0.94; }

.product-card__content {
  position: absolute;
  inset: auto 0 0 0;
  padding: clamp(1.35rem, 2.4vw, 2.25rem);
  z-index: 2;
}
.product-card__kicker {
  display: block;
  margin-bottom: var(--sp-2);
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--rose-soft);
}
.product-card__title {
  margin-bottom: 0;
  color: var(--white);
  font-size: clamp(1.35rem, 1.1rem + 0.9vw, 1.9rem);
}

/* Açıklama ve CTA yalnızca hover/odak durumunda açılır */
.product-card__reveal {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height var(--dur-slow) var(--ease-out),
              opacity var(--dur) var(--ease),
              margin-top var(--dur-slow) var(--ease-out);
}
.product-card:hover .product-card__reveal,
.product-card:focus-visible .product-card__reveal {
  max-height: 200px;
  opacity: 1;
  margin-top: var(--sp-3);
}
.product-card__excerpt {
  margin-bottom: var(--sp-4);
  color: rgba(255, 255, 255, 0.76);
  font-size: var(--fs-sm);
  line-height: 1.6;
}

/* Dokunmatik cihazlarda hover yok — içerik daima açık */
@media (hover: none) {
  .product-card__reveal { max-height: 200px; opacity: 1; margin-top: var(--sp-3); }
}

/* -----------------------------------------------------------------------------
   5. Özellik kartı — ikonlu, çerçevesiz
   -------------------------------------------------------------------------- */
.feature {
  position: relative;
  padding: clamp(1.75rem, 2.4vw, 2.5rem) 0 0;
  border-top: 1px solid var(--line);
  transition: border-color var(--dur) var(--ease);
}
.feature:hover { border-top-color: var(--rose); }
.feature__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px; height: 52px;
  margin-bottom: var(--sp-5);
  border-radius: 50%;
  background: var(--rose-wash);
  color: var(--rose-deep);
  font-size: 1.35rem;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease),
              transform var(--dur) var(--ease-out);
}
.feature:hover .feature__icon {
  background: var(--rose-deep);
  color: var(--white);
  transform: translateY(-3px);
}
.feature__title { margin-bottom: var(--sp-3); font-size: var(--fs-h4); }
.feature__text { margin-bottom: 0; color: var(--ink-400); font-size: var(--fs-sm); }

/* -----------------------------------------------------------------------------
   6. İstatistik bloğu (sayaç)
   -------------------------------------------------------------------------- */
.stat { text-align: left; }
.stat__value {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 1.6rem + 3vw, 4.25rem);
  font-weight: 300;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--ink);
}
.stat__value--invert { color: var(--white); }
.stat__label {
  display: block;
  margin-top: var(--sp-3);
  font-size: var(--fs-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-400);
}
.stat__label--invert { color: rgba(255, 255, 255, 0.55); }

/* Ayırıcı çizgili istatistik şeridi */
.stat-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: clamp(1.5rem, 3vw, 3rem);
}
.stat-strip .stat { padding-left: clamp(1.25rem, 2.5vw, 2.5rem); border-left: 1px solid var(--line); }
.stat-strip .stat:first-child { padding-left: 0; border-left: 0; }
.stat-strip--invert .stat { border-left-color: var(--line-invert); }

/* -----------------------------------------------------------------------------
   7. Akordeon (SSS, kariyer, kurumsal metinler)
   -------------------------------------------------------------------------- */
.acc { border-top: 1px solid var(--line); }
.acc__item { border-bottom: 1px solid var(--line); }
.acc__trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-5);
  width: 100%;
  padding: var(--sp-6) 0;
  border: 0;
  background: none;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  font-weight: 300;
  text-align: left;
  cursor: pointer;
  transition: color var(--dur-fast) var(--ease);
}
.acc__trigger:hover { color: var(--rose-deep); }
.acc__icon {
  flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  width: 38px; height: 38px;
  border: 1px solid var(--line);
  border-radius: 50%;
  font-size: 0.9rem;
  transition: transform var(--dur) var(--ease-out),
              background var(--dur) var(--ease), color var(--dur) var(--ease);
}
.acc__trigger[aria-expanded="true"] .acc__icon {
  transform: rotate(45deg);
  background: var(--ink);
  border-color: var(--ink);
  color: var(--white);
}
.acc__panel { overflow: hidden; height: 0; transition: height var(--dur) var(--ease-out); }
.acc__panel-inner { padding-bottom: var(--sp-6); max-width: 780px; color: var(--ink-600); }

/* -----------------------------------------------------------------------------
   8. Breadcrumb
   -------------------------------------------------------------------------- */
.crumbs { display: flex; align-items: center; flex-wrap: wrap; gap: var(--sp-2); margin: 0; padding: 0; list-style: none; }
.crumbs li { display: flex; align-items: center; gap: var(--sp-2); margin: 0; font-size: var(--fs-xs); letter-spacing: 0.08em; }
.crumbs li + li::before { content: '/'; color: var(--ink-200); }
.crumbs a { color: var(--ink-400); }
.crumbs a:hover { color: var(--rose-deep); }
.crumbs [aria-current] { color: var(--ink); }
.crumbs--invert a { color: rgba(255, 255, 255, 0.6); }
.crumbs--invert a:hover { color: var(--white); }
.crumbs--invert li + li::before { color: rgba(255, 255, 255, 0.3); }
.crumbs--invert [aria-current] { color: var(--white); }

/* -----------------------------------------------------------------------------
   9. Form öğeleri
   -------------------------------------------------------------------------- */
.field { position: relative; margin-bottom: var(--sp-6); }
.field__label {
  display: block;
  margin-bottom: var(--sp-2);
  font-size: var(--fs-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-400);
}
.field__input,
.field__select,
.field__textarea {
  width: 100%;
  padding: 0.95rem 0;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  font-weight: 300;
  transition: border-color var(--dur) var(--ease);
}
.field__input:focus,
.field__select:focus,
.field__textarea:focus {
  outline: none;
  border-bottom-color: var(--rose-deep);
}
.field__textarea { min-height: 130px; resize: vertical; }
.field__select {
  appearance: none;
  padding-right: 2rem;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%237A6B63'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0 center;
  background-size: 14px;
  cursor: pointer;
}
.field__input::placeholder, .field__textarea::placeholder { color: var(--ink-200); }

/* Doğrulama durumları */
.field.is-invalid .field__input,
.field.is-invalid .field__select,
.field.is-invalid .field__textarea { border-bottom-color: #B4443C; }
.field__error {
  display: none;
  margin-top: var(--sp-2);
  color: #B4443C;
  font-size: var(--fs-xs);
}
.field.is-invalid .field__error { display: block; }

/* Onay kutusu */
.check { display: flex; align-items: flex-start; gap: var(--sp-3); font-size: var(--fs-sm); color: var(--ink-400); }
.check input { margin-top: 0.42rem; accent-color: var(--rose-deep); width: 1rem; height: 1rem; flex-shrink: 0; }

/* Form geri bildirim mesajı */
.form-note {
  display: none;
  align-items: center;
  gap: var(--sp-3);
  margin-top: var(--sp-5);
  padding: var(--sp-4) var(--sp-5);
  border-radius: var(--r-md);
  font-size: var(--fs-sm);
}
.form-note.is-visible { display: flex; }
.form-note--ok { background: var(--rose-wash); color: var(--rose-deep); border: 1px solid var(--line-rose); }
.form-note--err { background: #FBEDEC; color: #8E3730; border: 1px solid rgba(180, 68, 60, 0.28); }

/* -----------------------------------------------------------------------------
   10. Sayfa başlığı (iç sayfa hero)
   -------------------------------------------------------------------------- */
.page-hero {
  position: relative;
  display: flex;
  align-items: flex-end;
  min-height: clamp(340px, 46vh, 520px);
  padding-top: calc(var(--header-h) + var(--sp-8));
  padding-bottom: clamp(2.5rem, 5vw, 4.5rem);
  background: var(--ink);
  color: var(--white);
  overflow: hidden;
}
.page-hero__bg { position: absolute; inset: 0; z-index: 0; }
.page-hero__bg img { width: 100%; height: 100%; object-fit: cover; opacity: 0.42; }
.page-hero__bg::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(120deg, rgba(20,16,14,0.92) 0%, rgba(20,16,14,0.62) 55%, rgba(20,16,14,0.42) 100%);
}
.page-hero .shell { position: relative; z-index: 1; width: 100%; }
.page-hero__title { margin-bottom: 0; color: var(--white); font-size: var(--fs-h1); }
.page-hero__lead { max-width: 620px; margin-top: var(--sp-5); color: rgba(255,255,255,0.72); font-size: var(--fs-lead); }
.page-hero__crumbs { margin-bottom: var(--sp-6); }

/* Görselsiz, sade varyant */
.page-hero--plain { background: var(--ivory-deep); color: var(--ink-600); min-height: auto; }
.page-hero--plain .page-hero__title { color: var(--ink); }
.page-hero--plain .page-hero__lead { color: var(--ink-400); }

/* -----------------------------------------------------------------------------
   11. CTA şeridi
   -------------------------------------------------------------------------- */
.cta-band {
  position: relative;
  padding-block: clamp(3.5rem, 6vw, 6.5rem);
  background: var(--ink);
  color: rgba(255, 255, 255, 0.72);
  overflow: hidden;
}
/* Arka planda çok düşük opaklıkta dev tipografi — derinlik katmanı */
.cta-band__ghost {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--font-display);
  font-size: clamp(7rem, 22vw, 20rem);
  line-height: 1;
  white-space: nowrap;
  color: rgba(255, 255, 255, 0.032);
  pointer-events: none;
  user-select: none;
}
.cta-band .shell { position: relative; z-index: 1; }
.cta-band__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(2rem, 5vw, 5rem);
}
.cta-band h2 { max-width: 15ch; margin-bottom: 0; color: var(--white); }
.cta-band__actions { display: flex; flex-wrap: wrap; gap: var(--sp-4); flex-shrink: 0; }

/* -----------------------------------------------------------------------------
   12. Scroll ilerleme çubuğu
   -------------------------------------------------------------------------- */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  z-index: calc(var(--z-header) + 5);
  width: 100%;
  height: 2px;
  background: transparent;
  pointer-events: none;
}
.scroll-progress__bar {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--rose) 0%, var(--rose-deep) 100%);
  transition: width 0.1s linear;
}

/* -----------------------------------------------------------------------------
   13. Yukarı çık butonu
   -------------------------------------------------------------------------- */
.to-top {
  position: fixed;
  right: clamp(1rem, 2.5vw, 2rem);
  bottom: clamp(1rem, 2.5vw, 2rem);
  z-index: calc(var(--z-header) - 1);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 46px; height: 46px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--white);
  color: var(--ink);
  box-shadow: var(--sh-md);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease-out),
              visibility var(--dur), background var(--dur) var(--ease), color var(--dur) var(--ease);
}
.to-top.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }
.to-top:hover { background: var(--ink); color: var(--white); border-color: var(--ink); }