/* =============================================
   ep-bilesenler.css — Kartlar, butonlar,
   sekmeler, formlar, lightbox, slider
   ============================================= */

/* --- Butonlar --- */
.ep-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  font-family: var(--ep-yazi-govde);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  border-radius: 3px;
  cursor: pointer;
  transition: background var(--ep-gecis), color var(--ep-gecis),
              border-color var(--ep-gecis), transform var(--ep-gecis);
}

.ep-btn:active { transform: scale(0.97); }

.ep-btn-dolu {
  background: var(--ep-altin);
  color: var(--ep-beyaz);
  border: 2px solid var(--ep-altin);
}
.ep-btn-dolu:hover {
  background: var(--ep-altin-koyu);
  border-color: var(--ep-altin-koyu);
}

.ep-btn-cerceveli {
  background: transparent;
  color: var(--ep-beyaz);
  border: 2px solid rgba(255,255,255,.45);
}
.ep-btn-cerceveli:hover {
  border-color: var(--ep-altin);
  color: var(--ep-altin-acik);
}

.ep-btn-lacivert {
  background: var(--ep-lacivert);
  color: var(--ep-beyaz);
  border: 2px solid var(--ep-lacivert);
}
.ep-btn-lacivert:hover {
  background: var(--ep-lacivert-acik);
  border-color: var(--ep-lacivert-acik);
}

.ep-btn-kucuk {
  padding: 8px 18px;
  font-size: 0.8rem;
}

/* --- İstatistik Kartları (yatay scroll) --- */
.ep-istatistik-serit {
  display: flex;
  gap: var(--ep-s);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 8px;
  scrollbar-width: none;
}
.ep-istatistik-serit::-webkit-scrollbar { display: none; }

.ep-istatistik-kart {
  flex: 0 0 200px;
  scroll-snap-align: start;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  border-top: 3px solid var(--ep-altin);
  padding: var(--ep-s) var(--ep-m);
  border-radius: 4px;
}

.ep-istatistik-kart .ep-sayi {
  font-family: var(--ep-yazi-bas);
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--ep-altin);
  line-height: 1;
  margin-bottom: 6px;
}

.ep-istatistik-kart .ep-aciklama {
  font-size: 0.8rem;
  font-weight: 500;
  color: rgba(255,255,255,.6);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Masaüstünde ızgara */
@media (min-width: 769px) {
  .ep-istatistik-serit {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    overflow-x: visible;
  }
  .ep-istatistik-kart { flex: unset; }
}

/* --- Proje Kartı --- */
.ep-proje-serit {
  display: flex;
  gap: var(--ep-s);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  padding-bottom: var(--ep-xs);
  scrollbar-width: none;
}
.ep-proje-serit::-webkit-scrollbar { display: none; }

.ep-proje-kart {
  flex: 0 0 300px;
  scroll-snap-align: start;
  background: var(--ep-beyaz);
  border-radius: 6px;
  overflow: hidden;
  box-shadow: var(--ep-golge);
  transition: box-shadow var(--ep-gecis), transform var(--ep-gecis);
  cursor: pointer;
}

.ep-proje-kart:hover {
  box-shadow: var(--ep-golge-buyuk);
  transform: translateY(-4px);
}

.ep-proje-kart-resim {
  position: relative;
  height: 200px;
  overflow: hidden;
}

.ep-proje-kart-resim img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.ep-proje-kart:hover .ep-proje-kart-resim img {
  transform: scale(1.05);
}

.ep-proje-rozet {
  position: absolute;
  top: 12px;
  left: 12px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 2px;
}

.ep-rozet-devam {
  background: var(--ep-altin);
  color: var(--ep-beyaz);
}

.ep-rozet-bitti {
  background: var(--ep-lacivert);
  color: var(--ep-beyaz);
}

.ep-proje-kart-ic {
  padding: var(--ep-s);
}

.ep-proje-kart-ic h3 {
  font-size: 1rem;
  margin-bottom: 6px;
  color: var(--ep-lacivert);
}

.ep-proje-kart-ic p {
  font-size: 0.83rem;
  color: var(--ep-yazi-ucuncul);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.ep-proje-kart-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--ep-xs);
  padding-top: var(--ep-xs);
  border-top: 1px solid var(--ep-cerceve-acik);
  font-size: 0.78rem;
  color: var(--ep-yazi-ucuncul);
}

/* Masaüstünde ızgara */
@media (min-width: 769px) {
  .ep-proje-serit {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    overflow-x: visible;
  }
  .ep-proje-kart { flex: unset; }
}

/* --- Hizmet Kartı --- */
.ep-hizmet-kart {
  background: var(--ep-beyaz);
  border: 1px solid var(--ep-cerceve);
  border-radius: 6px;
  padding: var(--ep-m);
  transition: border-color var(--ep-gecis), box-shadow var(--ep-gecis);
  position: relative;
  overflow: hidden;
}

.ep-hizmet-kart::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 0;
  background: var(--ep-altin);
  transition: height 0.35s ease;
}

.ep-hizmet-kart:hover::before { height: 100%; }

.ep-hizmet-kart:hover {
  border-color: var(--ep-altin);
  box-shadow: var(--ep-golge);
}

.ep-hizmet-ikon {
  width: 52px;
  height: 52px;
  background: rgba(200,144,58,.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--ep-s);
}

.ep-hizmet-ikon svg {
  width: 24px;
  height: 24px;
  stroke: var(--ep-altin);
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.ep-hizmet-kart h3 {
  margin-bottom: 8px;
  font-size: 1.1rem;
}

.ep-hizmet-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: var(--ep-s);
  font-size: 0.83rem;
  font-weight: 600;
  color: var(--ep-altin-koyu);
  letter-spacing: 0.02em;
  transition: gap var(--ep-gecis);
}

.ep-hizmet-link:hover { gap: 10px; }

.ep-hizmet-link::after {
  content: '→';
}

/* --- Referans logoları (yatay scroll) --- */
.ep-referans-serit {
  display: flex;
  align-items: center;
  gap: var(--ep-m);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  padding-block: var(--ep-xs);
  scrollbar-width: none;
}
.ep-referans-serit::-webkit-scrollbar { display: none; }

.ep-referans-item {
  flex: 0 0 150px;
  scroll-snap-align: start;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--ep-xs) var(--ep-s);
  border: 1px solid var(--ep-cerceve);
  border-radius: 4px;
  height: 72px;
  opacity: 0.55;
  transition: opacity var(--ep-gecis);
  filter: grayscale(1);
}

.ep-referans-item:hover {
  opacity: 1;
  filter: grayscale(0);
}

.ep-referans-item img { max-height: 40px; object-fit: contain; }

/* Masaüstü referanslar */
@media (min-width: 769px) {
  .ep-referans-serit {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    overflow-x: visible;
  }
}

/* --- Sekmeler (Tab) --- */
.ep-sekme-sira {
  display: flex;
  gap: 4px;
  border-bottom: 2px solid var(--ep-cerceve);
  margin-bottom: var(--ep-m);
}

.ep-sekme {
  padding: 10px 24px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--ep-yazi-ucuncul);
  border-radius: 4px 4px 0 0;
  border: 1px solid transparent;
  border-bottom: none;
  cursor: pointer;
  transition: color var(--ep-gecis), background var(--ep-gecis);
  position: relative;
  bottom: -2px;
}

.ep-sekme:hover { color: var(--ep-lacivert); }

.ep-sekme.ep-sekme-aktif {
  color: var(--ep-lacivert);
  background: var(--ep-beyaz);
  border-color: var(--ep-cerceve);
  border-bottom-color: var(--ep-beyaz);
}

.ep-sekme.ep-sekme-aktif::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--ep-altin);
}

/* --- Form --- */
.ep-form-grup {
  margin-bottom: var(--ep-s);
}

.ep-form-grup label {
  display: block;
  font-size: 0.83rem;
  font-weight: 600;
  color: var(--ep-yazi-ikincil);
  margin-bottom: 6px;
  letter-spacing: 0.02em;
}

.ep-girdi {
  width: 100%;
  padding: 12px 16px;
  font-size: 0.9rem;
  color: var(--ep-yazi);
  background: var(--ep-beyaz);
  border: 1.5px solid var(--ep-cerceve);
  border-radius: 4px;
  transition: border-color var(--ep-gecis), box-shadow var(--ep-gecis);
  outline: none;
  appearance: none;
}

.ep-girdi:focus {
  border-color: var(--ep-lacivert);
  box-shadow: 0 0 0 3px rgba(11,31,58,.08);
}

.ep-girdi::placeholder { color: var(--ep-yazi-ucuncul); }

textarea.ep-girdi {
  min-height: 130px;
  resize: vertical;
}

/* --- Lightbox --- */
#ep-lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 999;
  background: rgba(5,12,24,.92);
  align-items: center;
  justify-content: center;
  padding: var(--ep-m);
}

#ep-lightbox.ep-lb-acik { display: flex; }

.ep-lb-ic {
  position: relative;
  max-width: 900px;
  width: 100%;
}

.ep-lb-resim {
  width: 100%;
  max-height: 80vh;
  object-fit: contain;
  border-radius: 4px;
}

.ep-lb-kapat {
  position: absolute;
  top: -16px;
  right: -16px;
  width: 36px;
  height: 36px;
  background: rgba(255,255,255,.1);
  border: none;
  border-radius: 50%;
  color: var(--ep-beyaz);
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--ep-gecis);
}
.ep-lb-kapat:hover { background: rgba(255,255,255,.2); }

.ep-lb-onceki, .ep-lb-sonraki {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  background: rgba(255,255,255,.1);
  border: none;
  border-radius: 50%;
  color: var(--ep-beyaz);
  font-size: 1.3rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--ep-gecis);
}
.ep-lb-onceki { left: var(--ep-s); }
.ep-lb-sonraki { right: var(--ep-s); }
.ep-lb-onceki:hover, .ep-lb-sonraki:hover { background: rgba(255,255,255,.2); }

.ep-lb-baslik {
  text-align: center;
  color: rgba(255,255,255,.7);
  font-size: 0.875rem;
  margin-top: 12px;
}

.ep-lb-sayac {
  position: absolute;
  top: -40px;
  right: 0;
  font-size: 0.8rem;
  color: rgba(255,255,255,.5);
}

/* --- Hero slider --- */
.ep-hero-slider {
  position: relative;
  width: 100%;
  height: 100%;
}

.ep-slider-slayt {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.8s ease;
}

.ep-slider-slayt.ep-aktif { opacity: 1; }

.ep-slider-slayt img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* --- Belge kartı --- */
.ep-belge-kart {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--ep-s);
  padding: var(--ep-m);
  border: 1px solid var(--ep-cerceve);
  border-radius: 6px;
  text-align: center;
  background: var(--ep-beyaz);
  transition: box-shadow var(--ep-gecis);
}
.ep-belge-kart:hover { box-shadow: var(--ep-golge); }

.ep-belge-kart img {
  width: 100%;
  max-height: 220px;
  object-fit: cover;
  border-radius: 3px;
  border: 1px solid var(--ep-cerceve-acik);
}

.ep-belge-kart p {
  font-size: 0.83rem;
  font-weight: 500;
  color: var(--ep-yazi-ikincil);
}

/* --- Haber kartı (basında biz) --- */
.ep-haber-kart {
  border: 1px solid var(--ep-cerceve);
  border-radius: 6px;
  overflow: hidden;
  background: var(--ep-beyaz);
  transition: box-shadow var(--ep-gecis);
}
.ep-haber-kart:hover { box-shadow: var(--ep-golge); }

.ep-haber-kart img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.ep-haber-kart-ic {
  padding: var(--ep-s);
}

.ep-haber-kart-ic h3 {
  font-size: 0.95rem;
  margin-bottom: 6px;
}

.ep-haber-kart-ic p {
  font-size: 0.83rem;
  color: var(--ep-yazi-ucuncul);
}

/* --- Ayırıcı çizgi --- */
.ep-cizgi {
  border: none;
  border-top: 1px solid var(--ep-cerceve);
  margin-block: var(--ep-m);
}

/* --- Bildirim --- */
.ep-bildirim {
  padding: 14px 20px;
  border-radius: 4px;
  font-size: 0.875rem;
  font-weight: 500;
  margin-top: var(--ep-s);
}
.ep-bildirim-basari {
  background: #ECFDF5;
  border: 1px solid #6EE7B7;
  color: #065F46;
}
.ep-bildirim-hata {
  background: #FEF2F2;
  border: 1px solid #FCA5A5;
  color: #991B1B;
}

/* --- Scroll reveal başlatıcı (JS gereksiz, observer kullanır) --- */
@media (prefers-reduced-motion: no-preference) {
  .ep-gorun {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.55s ease, transform 0.55s ease;
  }
  .ep-gorun.ep-gorunen {
    opacity: 1;
    transform: none;
  }
}

/* --- İstatistik kartı — açık zemin override (v1.2) --- */
.ep-zemin-lacivert .ep-istatistik-kart {
  background: var(--ep-beyaz);
  border: 1px solid var(--ep-cerceve);
  border-top: 3px solid var(--ep-altin);
  box-shadow: 0 2px 12px rgba(0,0,0,.05);
}
.ep-zemin-lacivert .ep-istatistik-kart .ep-sayi {
  color: var(--ep-altin-koyu);
}
.ep-zemin-lacivert .ep-istatistik-kart .ep-aciklama {
  color: var(--ep-yazi-ucuncul);
}