/* ==========================================================================
   Balcı teması — tasarım sistemi (global)
   Referans: tasarım künyesi ölçümleri (docs/referans/REFERANS-KUNYE.md)
   Sınıf öneki: .bpb-   Bileşen dosyaları: header.css, footer.css, hero.css,
   home.css, product.css (bu dosyadan SONRA yüklenir)
   ========================================================================== */

/* ---------- 1. Token'lar ---------- */
:root {
  /* Renk — --vt-accent panel (Temalar > Renkler) tarafından basılır */
  --bpb-primary: var(--vt-accent, #d29614);
  --bpb-primary-hover: #b98211;
  --bpb-primary-soft: #fbf3e0;
  --bpb-button: var(--vt-btn, var(--bpb-primary));

  --bpb-text: #212121;
  --bpb-text-2: #666666;
  /* Künye #9a9a9a idi (2.8:1); 11–12px etiketler/meta metinler WCAG AA 4.5:1 için koyulaştırıldı:
     #6f6f6f → beyazda 5.02, --bpb-bg (#f7f4ed) üzerinde 4.57, --bpb-primary-soft'ta 4.55 */
  --bpb-text-3: #6f6f6f;
  --bpb-border: #e2e6eb;
  /* Sayfa zemini: sıcak krem (eski #f3f6f9 soğuk gri). --bpb-text-3 kontrastı 4.57:1 (AA korunur). */
  --bpb-bg: #f7f4ed;
  --bpb-surface: #ffffff;
  /* Petek zemin deseni (madde 8a): altıgen ~56px, çizgi altın %10 — yalnız body zemininde; kartlar/paneller (--bpb-surface) örter.
     Karo 56×97 (pointy-top altıgen döşemesi, R≈32.33): her kenar bir kez çizilir, karo sınırında kenar yok → dikiş görünmez. */
  --bpb-petek: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='56' height='97' viewBox='0 0 56 97'><path fill='none' stroke='rgba(210,150,20,0.1)' stroke-width='1' d='M14 0L42 16.17V48.5L14 64.67V97M42 16.17L70 0M-14 16.17L14 0M14 64.67L-14 48.5M70 64.67L42 48.5'/></svg>");
  --bpb-petek-boyut: 56px 97px;

  --bpb-danger: #dd3333;
  --bpb-success: #339933;
  --bpb-warning: #f39c12;
  --bpb-star: #f39c12;
  --bpb-brown: #5c3b00;
  --bpb-ring: #f9baa9;

  /* Hero (egricayir) */
  --bpb-hero-text: #2f261e;
  --bpb-hero-btn: #f5c96a;
  --bpb-hero-btn-hover: #ecb94a;
  --bpb-hero-dot: #f0dfb9;
  --bpb-hero-bg: #fafafa;

  /* Tipografi */
  --bpb-font: "Open Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  --bpb-font-display: "Cormorant Garamond", Georgia, "Times New Roman", serif;
  --bpb-fs-xs: 11px;
  --bpb-fs-sm: 12px;
  --bpb-fs-md: 13px;
  --bpb-fs-lg: 14px;
  --bpb-fs-xl: 16px;
  --bpb-fs-title: 22px;

  /* Boşluk ölçeği */
  --bpb-s1: 4px;  --bpb-s2: 8px;  --bpb-s3: 12px; --bpb-s4: 16px; --bpb-s5: 20px;
  --bpb-s6: 24px; --bpb-s7: 32px; --bpb-s8: 40px; --bpb-s9: 48px; --bpb-s10: 64px;

  /* Şekil */
  --bpb-radius: 3px;
  --bpb-shadow-float: 0 3px 20px -3px rgba(0, 0, 0, .25);
  --bpb-shadow-menu: 0 0 12.87px .13px rgba(0, 0, 0, .13);
  --bpb-overlay: rgba(33, 33, 33, .5);

  /* Yerleşim */
  --bpb-container: 1200px;
  --bpb-gutter: 15px;
  --bpb-header-h: 160px;

  /* Hareket */
  --bpb-ease: cubic-bezier(.165, .84, .44, 1);
  --bpb-dur: .25s;
}

/* ---------- 2. Temel ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--bpb-font);
  font-size: var(--bpb-fs-md);
  line-height: 1.5;
  color: var(--bpb-text-2);
  background-color: var(--bpb-bg);
  background-image: var(--bpb-petek);
  background-size: var(--bpb-petek-boyut);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
/* Eleman sıfırlamaları sıfır özgüllükte (:where) — bileşen sınıfları çakışmadan üstüne yazar. */
:where(h1, h2, h3, h4, h5, h6) { margin: 0; font-weight: 600; color: var(--bpb-text); line-height: 1.3; }
:where(p) { margin: 0 0 var(--bpb-s3); }
:where(a) { color: inherit; text-decoration: none; transition: color var(--bpb-dur); }
:where(a:hover) { color: var(--bpb-primary); }
:where(img, svg, video) { max-width: 100%; height: auto; display: block; }
:where(ul, ol) { margin: 0; padding: 0; list-style: none; }
:where(button, input, select, textarea) { font: inherit; color: inherit; }
:where(button) { cursor: pointer; background: none; border: 0; padding: 0; }
:focus-visible { outline: 2px solid var(--bpb-primary); outline-offset: 2px; }
::selection { background: var(--bpb-primary-soft); }

/* ---------- 3. Yerleşim ---------- */
.bpb-container { width: 100%; max-width: var(--bpb-container); margin: 0 auto; padding: 0 var(--bpb-gutter); }
.bpb-section { padding: var(--bpb-s6) 0; }
.bpb-grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: var(--bpb-s5); }
.bpb-col-12 { grid-column: span 12; }
.bpb-col-8  { grid-column: span 8; }
.bpb-col-6  { grid-column: span 6; }
.bpb-col-4  { grid-column: span 4; }
.bpb-col-3  { grid-column: span 3; }
.bpb-flex { display: flex; align-items: center; }
.bpb-between { justify-content: space-between; }
.bpb-center { justify-content: center; }
.bpb-gap-2 { gap: var(--bpb-s2); }
.bpb-gap-3 { gap: var(--bpb-s3); }
.bpb-gap-4 { gap: var(--bpb-s4); }
.bpb-surface { background: var(--bpb-surface); border: 1px solid var(--bpb-border); }

@media (max-width: 991px) {
  .bpb-col-8, .bpb-col-6, .bpb-col-4, .bpb-col-3 { grid-column: span 6; }
}
@media (max-width: 575px) {
  .bpb-grid { gap: var(--bpb-s3); }
  .bpb-col-8, .bpb-col-6 { grid-column: span 12; }
}

/* ---------- 4. Tipografi ---------- */
.bpb-title { font-size: var(--bpb-fs-title); font-weight: 600; line-height: 28px; color: var(--bpb-text); }
.bpb-subtitle { font-size: var(--bpb-fs-lg); font-weight: 400; line-height: 20px; color: var(--bpb-text-2); }
.bpb-caption { font-size: var(--bpb-fs-sm); color: var(--bpb-text-3); }
.bpb-section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: var(--bpb-s4); margin-bottom: var(--bpb-s3); }
.bpb-section-head .bpb-title { padding: 0 var(--bpb-s5); }
.bpb-section-head .bpb-subtitle { padding: 0 var(--bpb-s5); }
.bpb-section-head a.bpb-more { font-size: var(--bpb-fs-md); font-weight: 600; color: var(--bpb-text); white-space: nowrap; }
.bpb-section-head a.bpb-more:hover { color: var(--bpb-primary); }
.bpb-truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bpb-clamp-2 { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.bpb-text-center { text-align: center; }
.bpb-muted { color: var(--bpb-text-3); }
.bpb-price { color: var(--bpb-primary); font-weight: 600; font-size: var(--bpb-fs-lg); }
.bpb-price-old { color: var(--bpb-text-2); font-weight: 600; font-size: var(--bpb-fs-sm); text-decoration: line-through; }

/* ---------- 5. Butonlar ---------- */
.bpb-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--bpb-s2);
  height: 40px; padding: 0 var(--bpb-s5);
  font-size: var(--bpb-fs-md); font-weight: 600; line-height: 1; white-space: nowrap;
  border: 1px solid var(--bpb-border); border-radius: var(--bpb-radius);
  background: var(--bpb-surface); color: var(--bpb-text);
  transition: background var(--bpb-dur), color var(--bpb-dur), border-color var(--bpb-dur);
}
.bpb-btn:hover { border-color: var(--bpb-primary); color: var(--bpb-primary); }
.bpb-btn--primary { background: var(--bpb-button); border-color: var(--bpb-button); color: #fff; text-transform: uppercase; }
.bpb-btn--primary:hover { background: var(--bpb-primary-hover); border-color: var(--bpb-primary-hover); color: #fff; }
.bpb-btn--outline { background: transparent; border-color: var(--bpb-primary); color: var(--bpb-primary); }
.bpb-btn--outline:hover { background: var(--bpb-primary); color: #fff; }
.bpb-btn--ghost { border-color: transparent; background: transparent; }
.bpb-btn--sm { height: 32px; padding: 0 var(--bpb-s3); font-size: var(--bpb-fs-sm); }
.bpb-btn--lg { height: 48px; padding: 0 var(--bpb-s7); font-size: var(--bpb-fs-lg); }
.bpb-btn--block { width: 100%; }
.bpb-btn--hero {
  height: 40px; padding: 0 var(--bpb-s6); border: 0; border-radius: 2px;
  background: var(--bpb-hero-btn); color: var(--bpb-hero-text);
  font-size: var(--bpb-fs-lg); font-weight: 400; text-transform: uppercase; letter-spacing: .02em;
}
.bpb-btn--hero:hover { background: var(--bpb-hero-btn-hover); color: var(--bpb-hero-text); }
.bpb-btn:disabled, .bpb-btn[aria-disabled="true"] { opacity: .5; cursor: not-allowed; }
/* Daire ikon butonu (kart kalp/sepet, go-to-top) */
.bpb-iconbtn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--bpb-surface); color: var(--bpb-text); box-shadow: var(--bpb-shadow-float);
  transition: background var(--bpb-dur), color var(--bpb-dur), transform var(--bpb-dur);
}
.bpb-iconbtn:hover { background: var(--bpb-primary); color: #fff; }
.bpb-iconbtn svg { width: 18px; height: 18px; }
.bpb-iconbtn.is-active { color: var(--bpb-danger); }

/* ---------- 6. Formlar ---------- */
.bpb-input, .bpb-select, .bpb-textarea {
  width: 100%; height: 40px; padding: 0 var(--bpb-s4);
  font-size: var(--bpb-fs-md); color: var(--bpb-text);
  background: var(--bpb-surface); border: 1px solid var(--bpb-border); border-radius: var(--bpb-radius);
  transition: border-color var(--bpb-dur);
}
.bpb-textarea { height: auto; min-height: 120px; padding: var(--bpb-s3) var(--bpb-s4); resize: vertical; }
.bpb-input::placeholder, .bpb-textarea::placeholder { color: var(--bpb-text-3); opacity: 1; }
.bpb-input:focus, .bpb-select:focus, .bpb-textarea:focus { outline: 0; border-color: var(--bpb-primary); }
/* Klavye odağı: 1px altın kenarlık tek başına zayıf (#e2e6eb→#d29614 ≈ 1.9:1); halka eklenir */
.bpb-input:focus-visible, .bpb-select:focus-visible, .bpb-textarea:focus-visible { outline: 2px solid var(--bpb-primary); outline-offset: 1px; }
.bpb-input[aria-invalid="true"], .bpb-select[aria-invalid="true"] { border-color: var(--bpb-danger); }
.bpb-select { appearance: none; -webkit-appearance: none; padding-right: 36px;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23666' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><polyline points='6 9 12 15 18 9'/></svg>");
  background-repeat: no-repeat; background-position: right 12px center; }
.bpb-field { margin-bottom: var(--bpb-s4); }
.bpb-label { display: block; margin-bottom: var(--bpb-s2); font-size: var(--bpb-fs-sm); font-weight: 600; color: var(--bpb-text); }
.bpb-help { margin-top: var(--bpb-s1); font-size: var(--bpb-fs-xs); color: var(--bpb-text-3); }
.bpb-error { margin-top: var(--bpb-s1); font-size: var(--bpb-fs-xs); color: var(--bpb-danger); }
.bpb-check { display: inline-flex; align-items: center; gap: var(--bpb-s2); cursor: pointer; }
.bpb-check input { width: 16px; height: 16px; accent-color: var(--bpb-primary); margin: 0; }
.bpb-inputgroup { display: flex; }
.bpb-inputgroup .bpb-input { border-radius: var(--bpb-radius) 0 0 var(--bpb-radius); border-right: 0; }
.bpb-inputgroup .bpb-btn { border-radius: 0 var(--bpb-radius) var(--bpb-radius) 0; }

/* ---------- 7. Rozetler / sayaçlar ---------- */
.bpb-badge {
  display: inline-block; padding: 3px; font-size: var(--bpb-fs-md); font-weight: 600; line-height: 1;
  color: var(--bpb-danger); border: 1px solid var(--bpb-danger); border-radius: var(--bpb-radius);
}
.bpb-tag {
  display: inline-block; padding: 4px 8px; font-size: var(--bpb-fs-xs); font-weight: 600; line-height: 1;
  color: #fff; background: var(--bpb-primary); border-radius: var(--bpb-radius); text-transform: uppercase; letter-spacing: .02em;
}
.bpb-tag--dark { background: var(--bpb-text); }
.bpb-tag--success { background: var(--bpb-success); }
.bpb-tag--danger { background: var(--bpb-danger); }
.bpb-bubble {
  position: absolute; top: -6px; right: -8px;
  display: flex; align-items: center; justify-content: center;
  min-width: 15px; height: 15px; padding: 0 3px; border-radius: 50%;
  font-size: 9px; font-weight: 600; line-height: 1; color: #fff; background: var(--bpb-success);
}

/* ---------- 8. Yıldız ---------- */
.bpb-rating { display: inline-flex; align-items: center; gap: var(--bpb-s1); font-size: var(--bpb-fs-md); color: var(--bpb-text-3); }
.bpb-stars { position: relative; display: inline-block; width: 75px; height: 13px; color: var(--bpb-border); }
.bpb-stars > span { position: absolute; inset: 0; display: block; overflow: hidden; white-space: nowrap; color: var(--bpb-star); }
.bpb-stars svg { width: 15px; height: 13px; display: inline-block; vertical-align: top; }

/* ---------- 9. Durumlar ---------- */
.bpb-empty {
  padding: var(--bpb-s9) var(--bpb-s5); text-align: center;
  background: var(--bpb-surface); border: 1px solid var(--bpb-border);
}
.bpb-empty svg { width: 64px; height: 64px; margin: 0 auto var(--bpb-s4); color: var(--bpb-border); }
.bpb-empty h3 { margin-bottom: var(--bpb-s2); font-size: var(--bpb-fs-xl); }
.bpb-empty p { margin-bottom: var(--bpb-s5); color: var(--bpb-text-2); }
.bpb-alert { padding: var(--bpb-s3) var(--bpb-s4); border: 1px solid var(--bpb-border); border-left: 3px solid var(--bpb-primary); background: var(--bpb-surface); font-size: var(--bpb-fs-md); }
.bpb-alert--danger { border-left-color: var(--bpb-danger); }
.bpb-alert--success { border-left-color: var(--bpb-success); }
.bpb-skeleton { position: relative; overflow: hidden; background: #eceff3; border-radius: var(--bpb-radius); }
.bpb-skeleton::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, .6), transparent);
  transform: translateX(-100%); animation: bpb-shimmer 1.4s infinite;
}
@keyframes bpb-shimmer { to { transform: translateX(100%); } }

/* ---------- 10. Sayfa başı / breadcrumb ---------- */
.bpb-breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: var(--bpb-s2); padding: var(--bpb-s4) 0; font-size: var(--bpb-fs-sm); color: var(--bpb-text-3); }
/* Metin bağlantısı dokunma alanı ≥ 24px (WCAG 2.5.8): dikey dolgu + eşit negatif kenar boşluğu → yerleşim değişmez */
.bpb-breadcrumb a { padding: 3px 0; margin: -3px 0; }
.bpb-breadcrumb a:hover { color: var(--bpb-primary); }
.bpb-breadcrumb li + li::before { content: "/"; margin-right: var(--bpb-s2); color: var(--bpb-border); }
.bpb-page-title { font-size: var(--bpb-fs-title); line-height: 28px; margin-bottom: var(--bpb-s4); }

/* ---------- 11. Yardımcılar ---------- */
.bpb-sr-only { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.bpb-hide { display: none !important; }
@media (max-width: 991px) { .bpb-desktop { display: none !important; } }
@media (min-width: 992px) { .bpb-mobile { display: none !important; } }
.bpb-mt-2 { margin-top: var(--bpb-s2); } .bpb-mt-4 { margin-top: var(--bpb-s4); } .bpb-mt-6 { margin-top: var(--bpb-s6); }
.bpb-mb-2 { margin-bottom: var(--bpb-s2); } .bpb-mb-4 { margin-bottom: var(--bpb-s4); } .bpb-mb-6 { margin-bottom: var(--bpb-s6); }
.bpb-scroll-x { display: flex; overflow-x: auto; scroll-snap-type: x mandatory; -webkit-overflow-scrolling: touch; scrollbar-width: none; }
.bpb-scroll-x::-webkit-scrollbar { display: none; }
.bpb-scroll-x > * { flex: 0 0 auto; scroll-snap-align: start; }

/* ---------- 12. Yukarı çık ---------- */
.bpb-totop {
  position: fixed; right: 20px; bottom: 20px; z-index: 900;
  opacity: 0; visibility: hidden; transform: translateY(8px);
  transition: opacity var(--bpb-dur), transform var(--bpb-dur), visibility var(--bpb-dur);
}
.bpb-totop.is-visible { opacity: 1; visibility: visible; transform: none; }

/* ---------- 13. Hareket / yazdırma ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}
@media print {
  .bpb-header, .bpb-footer, .bpb-totop, .bpb-mobnav { display: none !important; }
  body { background: #fff; }
  .bpb-ari-katman { display: none !important; }
}