section {
  position: relative;
  padding: 6rem 0;
}

.section-tag {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-red);
}

.section-head {
  max-width: 40rem;
  margin: 0 0 3.25rem;
}

.section-head.center {
  margin: 0 auto 3.5rem;
  text-align: center;
}

.section-head h2 {
  font-size: clamp(1.7rem, 3.2vw, 2.4rem);
  margin-top: 0.75rem;
}

.section-head p {
  color: var(--text-muted);
  margin-top: 0.875rem;
  font-size: 0.98rem;
}

/* ================= 3D COVERFLOW HERO ================= */
.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: clamp(7.5rem, 11vw, 10rem) 0 3rem;
  min-height: 100svh;
  overflow: hidden;
  position: relative;
  text-align: left;
  top: -4rem;
}

.hero-bg-glow {
  position: absolute;
  top: 15%;
  left: 50%;
  transform: translate(-50%, -20%);
  width: 85vw;
  height: 85vh;
  background: radial-gradient(circle, var(--accent-glow), transparent 70%);
  filter: blur(100px);
  pointer-events: none;
  z-index: 0;
}

.coverflow-wrap {
  position: relative;
  width: 100%;
  max-width: 1600px;
  margin: 0 auto;
  z-index: 1;
  padding-top: 1rem;
}

/* 1080p ve Altı Ekranlarda Sahne Yüksekliği */
.coverflow-stage {
  position: relative;
  height: 540px;
  max-height: 65vh;
  perspective: 2200px;
  transform-style: preserve-3d;
  z-index: 1;
}

.coverflow-card {
  position: absolute;
  top: 50%;
  left: 50%;
  margin: 0;
  width: 18rem;
  height: 24rem;
  padding: 0;
  background: linear-gradient(160deg, var(--bg-surface), rgba(255, 255, 255, 0.015));
  border: 1px solid var(--border-glass-strong);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(8px);
  cursor: pointer;
  backface-visibility: hidden;
  box-shadow: 0 15px 35px -15px rgba(0, 0, 0, 0.5);
  overflow: hidden;
  transition:
    width .6s var(--ease), height .6s var(--ease), padding .6s var(--ease),
    transform .6s var(--ease), opacity .6s var(--ease), box-shadow .6s var(--ease), border-color .3s ease;
  will-change: transform, width, height, opacity;
}

.coverflow-card:not(.is-active)::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 999;
  cursor: pointer;
}

/* ================= YANLARDAKİ (PASİF) KART DÜZENİ (ORDER KİLİTLİ) ================= */
.coverflow-card:not(.is-active) {
  padding: 0.85rem;
  display: flex !important;
  flex-direction: column !important;
  align-items: center !important;
  justify-content: flex-start !important;
  gap: 0.45rem !important;
}

/* KAPAK FOTOĞRAFI GÖSTERİMİ (PASİF DURUMDA) */
.coverflow-card:not(.is-active) .card-cover-image {
  position: relative !important;
  order: 1 !important;
  width: 100% !important;
  height: 60% !important;
  border-radius: var(--radius-md);
  overflow: hidden;
  opacity: 1;
  transition: opacity 0.4s var(--ease);
}

.coverflow-card:not(.is-active) .card-cover-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* KART BİLEŞENLERİ KAPSAYICISI (Flex Layout'a Katılması İçin) */
.coverflow-card:not(.is-active) .card-components {
  display: contents !important;
}

/* Kapak fotoğrafı seçiliyse, pasif kartta içerideki asıl görseli (card-img-wrap) GİZLE */
.coverflow-card:not(.is-active) .card-components.has-cover-image .card-img-wrap {
  display: none !important;
}

/* Kapak fotoğrafı yoksa (Eski Mantık), pasif kartta ilk görseli kapak yap */
.coverflow-card:not(.is-active) .card-components:not(.has-cover-image) .card-img-wrap {
  order: 1 !important;
  position: relative !important;
  left: 0 !important;
  top: 0 !important;
  width: 100% !important;
  height: 60% !important;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.coverflow-card:not(.is-active) .card-components:not(.has-cover-image) .card-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 3. SIRA: ETİKET (Varsa) */
.coverflow-card:not(.is-active) .card-components .card-tag {
  order: 3 !important;
  position: relative !important;
  left: 0 !important;
  top: 0 !important;
  width: auto !important;
  height: auto !important;
  display: inline-flex !important;
  font-size: 0.65rem !important;
  padding: 2px 8px !important;
}

/* PASİF KARTLARDA BAŞLIK */
.card-passive-title {
  display: none;
}

.coverflow-card:not(.is-active) .card-passive-title {
  display: block;
  order: 2 !important;
  text-align: center;
  width: 100%;
}

.coverflow-card:not(.is-active) .card-passive-title h3 {
  font-size: 0.95rem;
  font-weight: 600;
  color: white;
  margin: 0;
  padding: 0;
}

/* Pasif kartlarda açıklama, buton, liste vs. tamamen gizlenir */
.coverflow-card:not(.is-active) .card-components .card-body,
.coverflow-card:not(.is-active) .card-components .card-desc,
.coverflow-card:not(.is-active) .card-components .card-list,
.coverflow-card:not(.is-active) .card-components .card-extra {
  display: none !important;
}

/* AKTİF KART: KAPAĞI GİZLE, BİLEŞENLERİ GÖSTER */
.coverflow-card.is-active .card-cover-image {
  opacity: 0;
  pointer-events: none;
}

.coverflow-card.is-active .card-components {
  display: block;
  /* veya absolute context'i korumak iin ne gerekiyorsa */
  opacity: 1;
}

.card-components {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 20;
  transition: opacity 0.6s var(--ease), visibility 0.6s var(--ease);
}

/* ================= AKTİF KART DÜZENİ ================= */
/* 1080p (1920x1080) ve Altı Ekranlarda İdeal Kart Boyutu */
.coverflow-card.is-active {
  width: 960px;
  max-width: 88vw;
  aspect-ratio: 16 / 9;
  height: auto;
  padding: 0;
  border-color: rgba(227, 6, 19, 0.5);
  box-shadow: 0 35px 70px -15px rgba(0, 0, 0, 0.85), 0 0 45px var(--accent-glow-strong);
  background: linear-gradient(160deg, rgba(20, 20, 24, 0.96), rgba(10, 10, 12, 0.98));
  cursor: default;
}

/* YALNIZCA GERÇEK 2K / 4K MONİTÖRLER (2000px ve Üzeri Genişlik) */
@media (min-width: 2000px) {
  .coverflow-stage {
    height: 780px;
    max-height: 75vh;
  }

  .coverflow-card.is-active {
    width: 1420px;
    max-width: 90vw;
    box-shadow: 0 45px 95px -20px rgba(0, 0, 0, 0.9), 0 0 65px var(--accent-glow-strong);
  }
}

.card-img-wrap {
  position: absolute;
  border-radius: var(--radius-md);
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  transition: all .6s var(--ease);
}

.card-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.card-img-wrap.cover-mode img {
  object-fit: cover;
}

.card-body {
  position: absolute;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  overflow: hidden;
  transition: all .6s var(--ease);
}

.card-tag {
  position: absolute;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  letter-spacing: .08em;
  font-weight: 700;
  color: #ff8b93;
  background: rgba(227, 6, 19, 0.1);
  border: 1px solid rgba(227, 6, 19, 0.25);
  border-radius: 100px;
  transition: all .6s var(--ease);
}

.card-title {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 0.35rem;
  text-align: left;
  transition: all .6s ease;
}

.card-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.55;
  text-align: left;
  transition: all .6s ease;
}

.coverflow-card.is-active .card-title {
  font-size: 1.75rem;
  margin-bottom: 0.4rem;
  text-align: left;

}

@media (min-width: 2000px) {
  .card-tag {
    font-size: 0.95rem;
  }

  .card-title {
    font-size: 2.3rem !important;
  }

  .card-desc {
    font-size: 1.15rem;
  }

  .card-extra li {
    font-size: 1.15rem !important;
  }
}

.card-extra {
  position: absolute;
  opacity: 0;
  visibility: hidden;
  transition: opacity .4s ease;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.coverflow-card.is-active .card-extra {
  opacity: 1;
  visibility: visible;
  transition: opacity .6s ease .2s;
}

.card-extra ul {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 0.5rem;
}

.card-extra li {
  font-size: 0.88rem;
  color: var(--text-white);
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-align: left;
}

.card-extra li svg {
  width: 1.05rem;
  height: 1.05rem;
  color: var(--accent-red);
  flex-shrink: 0;
}

.coverflow-card.is-active .card-extra .btn {
  font-size: 0.9rem;
  padding: 0.75rem 1.6rem;
  width: 100%;
}

.coverflow-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  margin-top: 1.75rem;
  position: relative;
  z-index: 5;
}

.coverflow-arrow {
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  border: 1px solid var(--border-glass-strong);
  background: var(--bg-surface);
  color: var(--text-white);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all .3s var(--ease);
}

.coverflow-arrow:hover {
  background: var(--accent-red);
  border-color: var(--accent-red);
  box-shadow: 0 0 20px var(--accent-glow-strong);
  transform: scale(1.1);
}

.coverflow-arrow svg {
  width: 1.25rem;
  height: 1.25rem;
}

.coverflow-dots {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.coverflow-dots .dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--border-glass-strong);
  border: none;
  padding: 0;
  cursor: pointer;
  transition: all .35s var(--ease);
}

.coverflow-dots .dot.active {
  background: var(--accent-red);
  width: 1.75rem;
  border-radius: 4px;
  box-shadow: 0 0 10px var(--accent-glow-strong);
}

/* ================= STATS ================= */
.stats {
  border-top: 1px solid var(--border-glass);
  border-bottom: 1px solid var(--border-glass);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.015), rgba(255, 255, 255, 0));
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.stat {
  text-align: center;
  padding: 2.75rem 1rem;
  border-left: 1px solid var(--border-glass);
}

.stat:first-child {
  border-left: none;
}

.stat .num {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 700;
  color: var(--text-white);
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 2px;
}

.stat .num .accent {
  color: var(--accent-red);
}

.stat .label {
  margin-top: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ================= PRODUCTS ================= */
.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.product-card {
  padding: 1.875rem 1.5rem;
  border-radius: var(--radius-lg);
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease, background .3s ease;
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 24px 48px -20px var(--accent-glow);
  border-color: rgba(227, 6, 19, 0.45);
  background: var(--bg-surface-hover);
}

.product-icon {
  width: 3rem;
  height: 3rem;
  border-radius: var(--radius-sm);
  background: var(--accent-glow);
  color: var(--accent-red);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.375rem;
}

.product-icon svg,
.product-icon img {
  width: 2.5rem;
  height: 2.5rem;
  object-fit: contain;
}

.product-card h3 {
  font-size: 1.05rem;
  margin-bottom: 0.625rem;
  font-family: var(--font-heading);
  font-weight: 700;
}

.product-card p {
  font-size: 0.86rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}

.card-link {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-white);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border-bottom: 1px solid var(--border-glass-strong);
  padding-bottom: 2px;
  transition: color .2s ease, border-color .2s ease, gap .2s ease;
}

.card-link:hover {
  color: var(--accent-red);
  border-color: var(--accent-red);
  gap: 9px;
}

/* ================= E-DÖNÜŞÜM ================= */
.edonusum-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.edonusum-card {
  padding: 1.75rem;
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  transition: transform .3s ease, border-color .3s ease, background .3s ease;
}

.edonusum-card:hover {
  transform: translateY(-6px);
  border-color: rgba(227, 6, 19, 0.4);
  background: var(--bg-surface-hover);
}

.edonusum-icon {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 50%;
  background: transparent;
  border: 1.5px solid var(--accent-red);
  color: var(--accent-red);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.125rem;
}

.edonusum-icon svg {
  width: 1.25rem;
  height: 1.25rem;
}

.edonusum-card h3 {
  font-size: 1rem;
  margin-bottom: 0.5rem;
  font-family: var(--font-heading);
  font-weight: 700;
}

.edonusum-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1.125rem;
  flex: 1;
}

/* ================= MARQUEE ================= */
.marquee-section {
  padding: 4.5rem 0;
}

.marquee-track-wrap {
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}

.marquee-track {
  display: flex;
  width: max-content;
  gap: 1.5rem;
  animation: marquee 26s linear infinite;
}

.marquee-track-wrap:hover .marquee-track {
  animation-play-state: paused;
}

@keyframes marquee {
  from {
    transform: translateX(0);
  }

  to {
    transform: translateX(-50%);
  }
}

.marquee-logo {
  flex-shrink: 0;
  width: 10.5rem;
  height: 6.5rem;
  padding: 0.5rem;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color .3s ease, background .3s ease, transform .3s ease;
}

.marquee-logo img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;

  opacity: 0.6;
  transition: filter .3s ease, opacity .3s ease, transform .3s ease;
}

.marquee-logo:hover {
  border-color: rgba(227, 6, 19, 0.4);
  background: var(--bg-surface-hover);
}

.marquee-logo:hover img {
  filter: grayscale(0%);
  opacity: 1;
  transform: scale(1.05);
}

/* ================= TESTIMONIALS ================= */
.testimonial-slider-wrap {
  position: relative;
  width: 100%;
  overflow: hidden;
  padding: 0.5rem 0;
}

.testimonial-track {
  display: flex;
  gap: 1.5rem;
  transition: transform 0.5s var(--ease);
  will-change: transform;
  cursor: grab;
  user-select: none;
}

.testimonial-track:active {
  cursor: grabbing;
}

.testimonial-card {
  flex: 0 0 calc((100% - 3rem) / 3);
  padding: 2.25rem 2rem;
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-sizing: border-box;
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.testimonial-card:hover {
  transform: translateY(-4px);
  border-color: rgba(227, 6, 19, 0.35);
  box-shadow: 0 15px 30px -10px var(--accent-glow);
}

.testimonial-card .quote-mark {
  font-family: var(--font-heading);
  font-size: 2.6rem;
  color: var(--accent-red);
  line-height: 1;
  display: block;
  margin-bottom: 0.5rem;
}

.testimonial-card p {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 1.5rem;
  flex: 1;
}

.testimonial-who {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.who-avatar {
  width: 2.6rem;
  height: 2.6rem;
  border-radius: 50%;
  background: var(--accent-glow);
  color: var(--accent-red);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.85rem;
  border: 1px solid rgba(227, 6, 19, 0.3);
  flex-shrink: 0;
}

.who-name {
  font-size: 0.9rem;
  font-weight: 600;
  color: #fff;
}

.who-title {
  font-size: 0.78rem;
  color: var(--text-dim);
}

.testimonial-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  margin-top: 2.5rem;
  position: relative;
  z-index: 5;
}

.testimonial-dots {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.testimonial-dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--border-glass-strong);
  transition: all 0.35s var(--ease);
  border: none;
  padding: 0;
  cursor: pointer;
}

.testimonial-dot.active {
  background: var(--accent-red);
  width: 1.75rem;
  border-radius: 4px;
  box-shadow: 0 0 10px var(--accent-glow-strong);
}

.testimonial-btn {
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  background: var(--bg-surface);
  border: 1px solid var(--border-glass-strong);
  color: var(--text-white);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s var(--ease);
}

.testimonial-btn:hover:not(:disabled) {
  background: var(--accent-red);
  border-color: var(--accent-red);
  box-shadow: 0 0 20px var(--accent-glow-strong);
  transform: scale(1.1);
}

.testimonial-btn:disabled {
  opacity: 0.25;
  cursor: not-allowed;
  border-color: transparent;
}

.testimonial-btn svg {
  width: 1.25rem;
  height: 1.25rem;
}

/* ================= RESPONSIVE ================= */
@media (max-width: 1080px) {
  .hero {
    padding: calc(var(--nav-h) + 1.5rem) 0 2.5rem;
  }

  .products-grid,
  .edonusum-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .testimonial-card {
    flex: 0 0 calc((100% - 1.5rem) / 2);
  }
}

@media (max-width: 768px) {
  section {
    padding: 4.5rem 0;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .stat {
    border-bottom: 1px solid var(--border-glass);
    padding: 2rem 1rem;
    border-left: none;
    /* Mobilde dikey çizgileri kaldıralım karmaşa olmasın */
  }

  .stat:nth-child(odd) {
    border-right: 1px solid var(--border-glass);
  }

  .stat:last-child,
  .stat:nth-last-child(2):nth-child(odd) {
    border-bottom: none;
  }

  .edonusum-grid {
    grid-template-columns: 1fr;
  }

  /* 3D Coverflow Mobile Responsive */
  .hero {
    min-height: auto;
    padding: calc(var(--nav-h, 70px) + 2rem) 0 2.5rem;
    top: 0;
    margin-top: 1rem;
  }

  .coverflow-stage {
    height: 500px;
    max-height: 75vh;
  }

  .coverflow-card {
    width: 14rem;
    height: 20rem;
  }

  .coverflow-card.is-active {
    width: 90vw;
    max-width: 320px;
    aspect-ratio: auto;
    height: auto !important;
    min-height: 400px;
    max-height: 500px;
    overflow: hidden;
    padding: 1.25rem !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: flex-start !important;
    gap: 0.75rem !important;
  }

  .coverflow-card.is-active>div {
    position: relative !important;
    left: auto !important;
    top: auto !important;
    width: 100% !important;
    height: auto !important;
  }

  .coverflow-card.is-active .card-cover-image {
    opacity: 1 !important;
    pointer-events: auto !important;
    order: 1 !important;
    display: flex !important;
    position: relative !important;
    width: 100% !important;
    height: 60% !important;
  }

  .coverflow-card.is-active .card-passive-title {
    display: block !important;
    order: 2 !important;
  }

  .coverflow-card.is-active .card-components {
  display: block;
  /* veya absolute context'i korumak iin ne gerekiyorsa */
  opacity: 1;
}

  /* Sadece buton (card-extra) görünsün */
  .coverflow-card.is-active .card-components>*:not(.card-extra) {
    display: none !important;
  }

  .coverflow-card.is-active .card-components .card-extra {
    display: flex !important;
    position: relative !important;
    left: auto !important;
    top: auto !important;
    width: 100% !important;
    height: auto !important;
    justify-content: center !important;
    padding: 10px 0 !important;
  }
}

@media (max-width: 640px) {
  section {
    padding: 3.5rem 0;
  }

  .products-grid {
    grid-template-columns: 1fr;
  }

  .testimonial-card {
    flex: 0 0 100%;
    padding: 1.75rem 1.5rem;
  }
}

/* CKEditor List Styles for Card Descriptions */
.card-desc ul {
  list-style-type: disc;
  padding-left: 1.5rem;
  margin-top: 0.5rem;
  margin-bottom: 0.5rem;
}

.card-desc ol {
  list-style-type: decimal;
  padding-left: 1.5rem;
  margin-top: 0.5rem;
  margin-bottom: 0.5rem;
}

.card-desc li {
  margin-bottom: 0.25rem;
  text-align: left !important;
}

/* 3D Kart Liste Bileşeni (Sola Dayalı) */
.card-list-block {
  text-align: left !important;
  align-items: flex-start !important;
}

.card-list-block .card-title,
.card-list-title {
  text-align: left !important;
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--text-white);
  font-size: 1.15rem;
  margin-bottom: 0.45rem;
  width: 100%;
}

.card-list {
  list-style-type: disc !important;
  list-style-position: inside !important;
  padding-left: 0 !important;
  margin: 0 !important;
  text-align: left !important;
  width: 100%;
}

.card-list li {
  text-align: left !important;
  list-style-type: disc !important;
  display: list-item !important;
  color: #d1d5db;
  font-size: 0.88rem;
  line-height: 1.65;
  margin-bottom: 0.25rem;
}