/*
  BK Kurumsal Web Sitesi — Ana Sayfa Bölümleri
  (Hero, Kurumsal Tanıtım, CTA Bandı)
*/

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  color: var(--color-text-on-dark);
  overflow: hidden;
}

.hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Video/görsel üzerine koyu katman: metnin her koşulda okunur kalmasını sağlar */
.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(18, 18, 18, 0.35) 0%,
    rgba(18, 18, 18, 0.12) 35%,
    rgba(18, 18, 18, 0.2) 60%,
    rgba(18, 18, 18, 0.92) 100%
  );
}

.hero__content {
  position: relative;
  z-index: 1;
  width: 100%;
  text-align: center;
  padding-block: var(--space-5) var(--space-5);
}

.hero__title {
  color: var(--color-white);
  max-width: 34rem;
  margin-inline: auto;
  margin-bottom: var(--space-3);
  font-size: clamp(1.25rem, 0.95rem + 1.3vw, 1.75rem);
  animation: hero-fade-up 0.9s cubic-bezier(0.2, 0.65, 0.3, 1) 0.28s both;
}

/* Masaüstünde başlığın belirlenen noktada 2 satıra bölünmesini garantiler;
   mobilde bu zorunlu satır sonu devre dışı kalır ve metin doğal akar. */
.hero__title-break {
  display: none;
}

@media (min-width: 768px) {
  .hero__title-break {
    display: block;
  }
}

.hero__lead {
  color: var(--color-text-on-dark-muted);
  font-size: var(--fs-xsmall);
  margin-bottom: var(--space-4);
  animation: hero-fade-up 0.9s cubic-bezier(0.2, 0.65, 0.3, 1) 0.46s both;
}

@media (min-width: 768px) {
  .hero__lead {
    white-space: nowrap;
  }
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-3);
  animation: hero-fade-up 0.9s cubic-bezier(0.2, 0.65, 0.3, 1) 0.62s both;
}

.hero__actions .btn {
  padding: 0.75rem 1.5rem;
  font-size: var(--fs-xsmall);
}

@keyframes hero-fade-up {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero__title,
  .hero__lead,
  .hero__actions {
    animation: none;
  }
}

.hero__scroll-hint {
  position: absolute;
  right: var(--container-padding);
  bottom: var(--space-6);
  z-index: 1;
  display: none;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--fs-xsmall);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-on-dark-muted);
}

.hero__scroll-hint svg {
  width: 14px;
  height: 14px;
  animation: bk-bounce 2.4s ease-in-out infinite;
}

@media (min-width: 768px) {
  .hero__scroll-hint {
    display: inline-flex;
  }
}

@keyframes bk-bounce {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(6px);
  }
}

/* ---------- Proje / Belgeler bağlantı satırı ---------- */
.section-head-row {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-5);
  margin-bottom: var(--space-8);
}

.section-head-row .section-head {
  margin-bottom: 0;
}

/* ---------- CTA Bandı: Anasayfaya Özel Ek Sınıflar ---------- */
/* Ortak .cta-band temel stilleri assets/css/components.css içindedir. */
.cta-band__col {
  display: flex;
  flex-direction: column;
}

.cta-band__col--contact {
  gap: var(--space-3);
}

@media (min-width: 1024px) {
  .cta-band__col--contact {
    align-items: flex-start;
    border-left: 1px solid rgba(255, 255, 255, 0.14);
    padding-left: var(--space-9);
  }
}

.cta-band__eyebrow {
  font-family: var(--font-heading);
  font-size: var(--fs-xsmall);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-eyebrow);
  text-transform: uppercase;
  color: var(--color-orange-400);
  margin: 0;
}

.cta-band__phone {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-white);
  font-family: var(--font-heading);
  font-size: clamp(1.375rem, 1.1rem + 1vw, 1.75rem);
  font-weight: var(--fw-bold);
  transition: color var(--transition-fast);
}

.cta-band__phone:hover,
.cta-band__phone:focus-visible {
  color: var(--color-orange-400);
}

.cta-band__phone svg {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  color: var(--color-orange-500);
}

.cta-band__btn-primary {
  background: var(--color-orange-500);
  color: var(--color-navy-stat);
  border-color: var(--color-orange-500);
}

.cta-band__btn-primary:hover,
.cta-band__btn-primary:focus-visible {
  background: var(--color-orange-400);
  border-color: var(--color-orange-400);
}

.btn--whatsapp {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.4);
}

.btn--whatsapp:hover,
.btn--whatsapp:focus-visible {
  border-color: #25d366;
  color: #25d366;
}