/* ============================================
   REFERANS DETAY SAYFASI - custom.css
   sitebizden2026 teması | Turuncu/Siyah/Beyaz
   ============================================ */

#referans-detay {
  --ref-bg: #ffffff;
  --ref-bg-soft: #f6f6f4;
  --ref-bg-dark: #0a0a0a;
  --ref-text: #0a0a0a;
  --ref-text-soft: #4a4a4a;
  --ref-text-mute: #8a8a8a;
  --ref-border: #e8e6e1;
  --ref-accent: #ff6b1a;
  --ref-accent-hover: #e85a0a;
  --ref-accent-soft: #fff1e8;
  --ref-success: #1a8f4a;
  --ref-radius: 16px;
  --ref-radius-sm: 10px;
  --ref-shadow-sm: 0 2px 8px rgba(10, 10, 10, 0.04);
  --ref-shadow-md: 0 8px 32px rgba(10, 10, 10, 0.08);
  --ref-shadow-lg: 0 24px 64px rgba(10, 10, 10, 0.12);
  --ref-transition: cubic-bezier(0.4, 0, 0.2, 1);
  --ref-container: 1140px;

  color: var(--ref-text);
  line-height: 1.6;
}

#referans-detay * { box-sizing: border-box; }

/* ============================================
   HERO BÖLÜMÜ
   ============================================ */
.ref-hero {
  background: linear-gradient(180deg, var(--ref-bg-soft) 0%, var(--ref-bg) 100%);
  padding: 60px 24px 80px;
  position: relative;
  overflow: hidden;
}

.ref-hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--ref-accent-soft) 0%, transparent 70%);
  opacity: 0.7;
  pointer-events: none;
}

.ref-hero-inner {
  max-width: var(--ref-container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 56px;
  align-items: center;
  position: relative;
  z-index: 1;
}

/* ---- Sol: Görsel ---- */
.ref-hero-visual { width: 100%; min-width: 0; }

.ref-visual-link { display: block; text-decoration: none; }

.ref-visual-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  border-radius: var(--ref-radius);
  overflow: hidden;
  background: #fff;
  box-shadow: var(--ref-shadow-md);
  transition: transform 0.5s var(--ref-transition), box-shadow 0.5s var(--ref-transition);
}

.ref-visual-frame::after {
  content: '';
  position: absolute;
  inset: 0;
  border: 1px solid rgba(10, 10, 10, 0.06);
  border-radius: var(--ref-radius);
  pointer-events: none;
}

.ref-visual-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  display: block;
  transition: transform 0.8s var(--ref-transition);
}

.ref-visual-link:hover .ref-visual-frame {
  transform: translateY(-6px);
  box-shadow: var(--ref-shadow-lg);
}

.ref-visual-link:hover .ref-visual-frame img { transform: scale(1.04); }

.ref-visual-overlay {
  position: absolute;
  bottom: 20px;
  right: 20px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 18px;
  background: var(--ref-text);
  color: #fff;
  border-radius: 100px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.2px;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.3s var(--ref-transition), transform 0.3s var(--ref-transition);
}

.ref-visual-link:hover .ref-visual-overlay {
  opacity: 1;
  transform: translateY(0);
}

/* ---- Sağ: İçerik ---- */
.ref-hero-content {
  display: flex;
  flex-direction: column;
  gap: 20px;
  min-width: 0;
}

.ref-badge {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  padding: 6px 14px;
  background: var(--ref-accent-soft);
  color: var(--ref-accent);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  border-radius: 100px;
  border: 1px solid rgba(255, 107, 26, 0.2);
}

.ref-title {
  font-size: clamp(28px, 3.5vw, 46px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--ref-text);
  margin: 0;
}

.ref-lead {
  font-size: 16px;
  line-height: 1.65;
  color: var(--ref-text-soft);
  margin: 0;
  max-width: 520px;
}

.ref-lead strong {
  color: var(--ref-text);
  font-weight: 700;
}

/* ---- Meta ---- */
.ref-meta {
  display: flex;
  gap: 32px;
  padding: 20px 0;
  margin: 8px 0;
  border-top: 1px solid var(--ref-border);
  border-bottom: 1px solid var(--ref-border);
}

.ref-meta-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.ref-meta-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: var(--ref-text-mute);
}

.ref-meta-value {
  font-size: 15px;
  font-weight: 600;
  color: var(--ref-text);
}

.ref-meta-active {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--ref-success);
}

.ref-meta-active::before {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--ref-success);
  border-radius: 50%;
  box-shadow: 0 0 0 3px rgba(26, 143, 74, 0.18);
  animation: refPulse 2s infinite;
}

@keyframes refPulse {
  0%, 100% { box-shadow: 0 0 0 3px rgba(26, 143, 74, 0.18); }
  50%      { box-shadow: 0 0 0 6px rgba(26, 143, 74, 0.08); }
}

/* ---- Aksiyonlar ---- */
.ref-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 8px;
}

.ref-btn-primary,
.ref-btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 26px;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  border-radius: 100px;
  transition: all 0.25s var(--ref-transition);
  white-space: nowrap;
  cursor: pointer;
}

.ref-btn-primary {
  background: var(--ref-accent);
  color: #fff;
  box-shadow: 0 4px 14px rgba(255, 107, 26, 0.25);
}

.ref-btn-primary:hover {
  background: var(--ref-text);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(10, 10, 10, 0.25);
}

.ref-btn-primary svg { transition: transform 0.25s var(--ref-transition); }
.ref-btn-primary:hover svg { transform: translateX(3px); }

.ref-btn-ghost {
  background: transparent;
  color: var(--ref-text-soft);
  border: 1px solid var(--ref-border);
}

.ref-btn-ghost:hover {
  color: var(--ref-text);
  border-color: var(--ref-text);
  background: #fff;
}

/* ============================================
   AÇIKLAMA BÖLÜMÜ
   ============================================ */
.ref-description {
  padding: 70px 24px;
  background: var(--ref-bg);
}

.ref-description-inner {
  max-width: 880px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 40px;
  align-items: start;
}

.ref-description-label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--ref-accent);
  position: sticky;
  top: 100px;
}

.ref-description-text {
  font-size: 16px;
  line-height: 1.75;
  color: var(--ref-text);
}

.ref-description-text p { margin: 0 0 16px; }
.ref-description-text p:last-child { margin-bottom: 0; }

/* ============================================
   BENZER REFERANSLAR
   ============================================ */
.ref-related {
  background: var(--ref-bg-soft);
  padding: 70px 24px 90px;
  border-top: 1px solid var(--ref-border);
}

.ref-related-inner {
  max-width: var(--ref-container);
  margin: 0 auto;
}

.ref-related-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 36px;
  gap: 16px;
  flex-wrap: wrap;
}

.ref-related-head h2 {
  font-size: clamp(22px, 2.5vw, 32px);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--ref-text);
  margin: 0;
}

.ref-related-all {
  font-size: 14px;
  font-weight: 600;
  color: var(--ref-accent);
  text-decoration: none;
  transition: color 0.2s var(--ref-transition);
}

.ref-related-all:hover { color: var(--ref-text); }

/* ---- Swiper Kartları ---- */
.ref-related-swiper {
  position: relative;
  padding-bottom: 50px;
  overflow: hidden;
}

.ref-related-swiper .swiper-wrapper {
  align-items: stretch;
}

.ref-related-swiper .swiper-slide {
  height: auto;
  display: flex;
}

.ref-card {
  display: flex;
  flex-direction: column;
  background: var(--ref-bg);
  border-radius: var(--ref-radius);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  width: 100%;
  border: 1px solid var(--ref-border);
  transition: transform 0.3s var(--ref-transition), box-shadow 0.3s var(--ref-transition), border-color 0.3s var(--ref-transition);
}

.ref-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--ref-shadow-md);
  border-color: var(--ref-accent);
}

.ref-card-image {
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--ref-bg-soft);
}

.ref-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  display: block;
  transition: transform 0.6s var(--ref-transition);
}

.ref-card:hover .ref-card-image img { transform: scale(1.06); }

.ref-card-body {
  padding: 18px 20px 22px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}

.ref-card-tag {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  color: var(--ref-accent);
}

.ref-card-title {
  font-size: 16px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--ref-text);
  margin: 0;
  letter-spacing: -0.01em;
}

/* ---- Swiper Navigation ---- */
.ref-related-swiper .swiper-button-prev,
.ref-related-swiper .swiper-button-next {
  width: 44px;
  height: 44px;
  background: var(--ref-bg);
  border: 1px solid var(--ref-border);
  border-radius: 50%;
  box-shadow: var(--ref-shadow-sm);
  top: 35%;
  transition: all 0.25s var(--ref-transition);
  margin-top: 0;
}

.ref-related-swiper .swiper-button-prev:hover,
.ref-related-swiper .swiper-button-next:hover {
  background: var(--ref-accent);
  border-color: var(--ref-accent);
  transform: scale(1.05);
}

.ref-related-swiper .swiper-button-prev::after,
.ref-related-swiper .swiper-button-next::after {
  font-size: 16px;
  font-weight: 700;
  color: var(--ref-text);
}

.ref-related-swiper .swiper-button-prev:hover::after,
.ref-related-swiper .swiper-button-next:hover::after { color: #fff; }

.ref-related-swiper .swiper-button-prev.swiper-button-disabled,
.ref-related-swiper .swiper-button-next.swiper-button-disabled {
  opacity: 0.35;
  pointer-events: none;
}

/* ---- Swiper Pagination ---- */
.ref-related-swiper .swiper-pagination {
  bottom: 0;
  text-align: center;
}

.ref-related-swiper .swiper-pagination-bullet {
  width: 8px;
  height: 8px;
  background: var(--ref-text-mute);
  opacity: 0.3;
  transition: all 0.25s var(--ref-transition);
}

.ref-related-swiper .swiper-pagination-bullet-active {
  background: var(--ref-accent);
  opacity: 1;
  width: 28px;
  border-radius: 4px;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 980px) {
  .ref-hero { padding: 40px 20px 60px; }
  .ref-hero-inner { grid-template-columns: 1fr; gap: 36px; }
  .ref-hero-visual { order: -1; }
  .ref-description { padding: 50px 20px; }
  .ref-description-inner { grid-template-columns: 1fr; gap: 16px; }
  .ref-description-label { position: static; }
  .ref-related { padding: 50px 20px 70px; }
  .ref-related-swiper .swiper-button-prev,
  .ref-related-swiper .swiper-button-next { display: none; }
}

@media (max-width: 560px) {
  .ref-hero { padding: 32px 16px 48px; }
  .ref-meta { gap: 20px; flex-wrap: wrap; }
  .ref-actions { flex-direction: column; }
  .ref-btn-primary,
  .ref-btn-ghost { justify-content: center; width: 100%; }
  .ref-description-text { font-size: 15px; }
  .ref-lead { font-size: 15px; }
}


/* ---- Native Slider ---- */
.ref-slider {
  position: relative;
  margin: 0 -8px;
}

.ref-slider-track {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding: 8px;
  -webkit-overflow-scrolling: touch;
}

.ref-slider-track::-webkit-scrollbar { display: none; }

.ref-slider-track .ref-card {
  flex: 0 0 calc((100% - 60px) / 4); /* 4 kart */
  scroll-snap-align: start;
  min-width: 0;
}

@media (max-width: 1100px) {
  .ref-slider-track .ref-card { flex: 0 0 calc((100% - 40px) / 3); } /* 3 kart */
}
@media (max-width: 820px) {
  .ref-slider-track .ref-card { flex: 0 0 calc((100% - 20px) / 2); } /* 2 kart */
}
@media (max-width: 540px) {
  .ref-slider-track { gap: 14px; }
  .ref-slider-track .ref-card { flex: 0 0 82%; } /* 1.2 kart */
}

/* Slider butonları */
.ref-slider-btn {
  position: absolute;
  top: 38%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  background: var(--ref-bg);
  border: 1px solid var(--ref-border);
  border-radius: 50%;
  box-shadow: var(--ref-shadow-sm);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--ref-text);
  z-index: 5;
  transition: all 0.25s var(--ref-transition);
  padding: 0;
}

.ref-slider-btn:hover:not(:disabled) {
  background: var(--ref-accent);
  border-color: var(--ref-accent);
  color: #fff;
  transform: translateY(-50%) scale(1.05);
}

.ref-slider-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.ref-slider-prev { left: -22px; }
.ref-slider-next { right: -22px; }

@media (max-width: 980px) {
  .ref-slider-btn { display: none; }
  .ref-slider { margin: 0; }
}

/* Kart stilleri (önceden Swiper içindekiler — flex/grid'siz versiyon) */
.ref-card {
  display: flex;
  flex-direction: column;
  background: var(--ref-bg);
  border-radius: var(--ref-radius);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  border: 1px solid var(--ref-border);
  transition: transform 0.3s var(--ref-transition), box-shadow 0.3s var(--ref-transition), border-color 0.3s var(--ref-transition);
}

.ref-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--ref-shadow-md);
  border-color: var(--ref-accent);
}

.ref-card-image {
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--ref-bg-soft);
}

.ref-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  display: block;
  transition: transform 0.6s var(--ref-transition);
}

.ref-card:hover .ref-card-image img { transform: scale(1.06); }

.ref-card-body {
  padding: 18px 20px 22px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}

.ref-card-tag {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  color: var(--ref-accent);
}

.ref-card-title {
  font-size: 16px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--ref-text);
  margin: 0;
  letter-spacing: -0.01em;
}