/**
 * DepoPratik landing — renk paleti logo-normal-only-icon.png örneklemesinden
 * (PHP GD ile saydam olmayan piksellerde sık görülen tonlar: #035783, #0d5987, #00ae79)
 */
:root {
  --dp-primary: #035783;
  --dp-primary-mid: #0d5987;
  --dp-primary-dark: #023d5c;
  --dp-accent: #00ae79;
  --dp-accent-dark: #008f64;
  --dp-neutral-600: #5e6d7a;
  --dp-neutral-400: #9eabb3;
  --dp-bg: #f4f7f9;
  --dp-surface: #ffffff;
  --dp-hero-overlay: rgba(2, 61, 92, 0.72);
  --dp-font: "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, Roboto,
    sans-serif;
}

/* Parlak slaytlarda metin kontrastı; geçiş carousel ile eşzamanlı (0.65s) */
@property --hero-text-prot {
  syntax: "<number>";
  inherits: true;
  initial-value: 0.42;
}

html {
  scroll-behavior: smooth;
  --hero-text-prot: 0.42;
  transition: --hero-text-prot 0.65s cubic-bezier(0.4, 0, 0.2, 1);
}

body.landing-body {
  margin: 0;
  font-family: var(--dp-font);
  color: #1a2332;
  background: var(--dp-bg);
}

.landing-hero {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
}

/* Karanlık katman: parlaklık JS ile slayt başında güncellenir; opacity animasyonlu */
.landing-hero-scrim {
  position: absolute;
  inset: 0;
  z-index: 2;
  background: #010a10;
  opacity: 0.32;
  pointer-events: none;
  transition: opacity 0.65s cubic-bezier(0.4, 0, 0.2, 1);
}

.landing-hero .carousel-item .overlay {
  background: radial-gradient(
      ellipse 120% 80% at 50% 40%,
      rgba(3, 87, 131, 0.45) 0%,
      var(--dp-hero-overlay) 55%,
      rgba(1, 30, 48, 0.92) 100%
    );
}

.landing-topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  gap: 1rem;
  flex-wrap: wrap;
  width: 100%;
  box-sizing: border-box;
}

.landing-topbar .brand-logo {
  display: flex;
  align-items: center;
  line-height: 0;
}

.landing-topbar .brand-logo img {
  height: 38px;
  width: auto;
  display: block;
  object-fit: contain;
  filter: drop-shadow(
    0 1px 3px rgba(0, 0, 0, calc(0.28 + var(--hero-text-prot) * 0.55))
  );
  transition: filter 0.65s cubic-bezier(0.4, 0, 0.2, 1);
}

.landing-topbar .topbar-diauygulama {
  display: flex;
  align-items: center;
  line-height: 0;
}

.landing-topbar .topbar-diauygulama img {
  height: auto;
  max-height: 55px;
  width: auto;
  max-width: min(42vw, 152px);
  display: block;
  object-fit: contain;
  transition: transform 0.25s ease,
    filter 0.65s cubic-bezier(0.4, 0, 0.2, 1);
  filter: drop-shadow(
    0 1px 3px rgba(0, 0, 0, calc(0.28 + var(--hero-text-prot) * 0.55))
  );
}

.landing-topbar .topbar-diauygulama:hover img {
  transform: scale(1.04);
}

.landing-topbar-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  flex: 1 1 auto;
  margin-left: 0;
  min-width: 0;
}

.landing-topbar-nav a.nav-anchor {
  color: rgba(255, 255, 255, 0.96);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.35rem 0.5rem;
  border-radius: 6px;
  text-shadow: 0 0.06em 0.12em
      rgba(0, 0, 0, calc(0.35 + var(--hero-text-prot) * 0.52)),
    0 0 calc(10px + var(--hero-text-prot) * 22px)
      rgba(0, 0, 0, calc(0.28 + var(--hero-text-prot) * 0.4));
  transition: text-shadow 0.65s cubic-bezier(0.4, 0, 0.2, 1),
    color 0.2s ease;
}

.landing-topbar-nav a.nav-anchor:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.12);
}

.landing-hero-inner {
  position: absolute;
  inset: 0;
  z-index: 12;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 6.5rem 1.25rem 2rem;
  text-align: center;
  pointer-events: none;
}

.landing-hero-inner > * {
  pointer-events: auto;
}

.landing-hero-inner h1 {
  color: #fff;
  font-size: clamp(1.65rem, 4vw, 2.35rem);
  font-weight: 700;
  line-height: 1.2;
  max-width: 38rem;
  margin: 0 0 0.75rem;
  text-shadow: 0 0.12em 0.2em
      rgba(0, 0, 0, calc(0.38 + var(--hero-text-prot) * 0.52)),
    0 0 calc(14px + var(--hero-text-prot) * 36px)
      rgba(0, 0, 0, calc(0.32 + var(--hero-text-prot) * 0.45)),
    0 0 1px rgba(0, 0, 0, calc(0.55 + var(--hero-text-prot) * 0.35));
  transition: text-shadow 0.65s cubic-bezier(0.4, 0, 0.2, 1);
}

.landing-hero-inner .lead {
  color: rgba(255, 255, 255, 0.97);
  font-size: clamp(1rem, 2.2vw, 1.15rem);
  max-width: 36rem;
  margin: 0 auto 1.75rem;
  line-height: 1.55;
  text-shadow: 0 0.1em 0.18em
      rgba(0, 0, 0, calc(0.36 + var(--hero-text-prot) * 0.48)),
    0 0 calc(12px + var(--hero-text-prot) * 28px)
      rgba(0, 0, 0, calc(0.28 + var(--hero-text-prot) * 0.42));
  transition: text-shadow 0.65s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Üstte tam genişlik iletişim, altta Giriş + İndir (ikisinin toplam genişliği kadar) */
.landing-button-stack {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  width: 100%;
  max-width: calc(220px * 2 + 1rem);
  margin: 0 auto;
}

.landing-button-stack-row {
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.landing-button-stack .landing-btn-contact {
  width: 100%;
  margin-bottom: 1rem;
  box-sizing: border-box;
}

.landing-hero-inner .custom-btn {
  opacity: 0.95;
  padding: 0.65rem 1.35rem;
  font-size: 1.05rem;
  border-radius: 10px;
  min-width: 220px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: none;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
  text-align: center;
}

.landing-button-stack .custom-btn,
.landing-button-stack-row .custom-btn {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  text-align: center;
}

.landing-hero-inner .btn-primary.custom-btn {
  background: var(--dp-accent);
  border-color: var(--dp-accent);
}

.landing-hero-inner .btn-primary.custom-btn:hover {
  background: var(--dp-accent-dark);
  border-color: var(--dp-accent-dark);
}

.landing-hero-inner .btn-success.custom-btn {
  background: var(--dp-primary-mid);
  color: #fff;
  border: 2px solid rgba(255, 255, 255, 0.2);
}

.landing-hero-inner .btn-success.custom-btn:hover {
  background: var(--dp-primary);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.35);
}

.landing-hero-inner .btn-success.custom-btn img {
  filter: brightness(0) invert(1);
}

.landing-hero-inner .landing-btn-contact-hero {
  background: var(--dp-primary);
  color: #fff;
  border: 2px solid rgba(0, 0, 0, 0.15);
}

.landing-hero-inner .landing-btn-contact-hero:hover {
  background: var(--dp-primary-dark);
  color: #fff;
  border-color: rgba(0, 0, 0, 0.22);
}

.landing-section {
  padding: 3.5rem 1.25rem;
}

.landing-section h2 {
  font-size: clamp(1.5rem, 3vw, 1.85rem);
  color: var(--dp-primary-dark);
  margin: 0 0 0.5rem;
  text-align: center;
}

.landing-section .section-intro {
  text-align: center;
  color: var(--dp-neutral-600);
  max-width: 42rem;
  margin: 0 auto 2.25rem;
  line-height: 1.65;
}

.landing-card {
  background: var(--dp-surface);
  border-radius: 14px;
  padding: 1.5rem 1.35rem;
  height: 100%;
  border: 1px solid rgba(3, 87, 131, 0.12);
  box-shadow: 0 4px 20px rgba(3, 87, 131, 0.06);
  transition: box-shadow 0.2s ease, border-color 0.2s ease;
}

.landing-card:hover {
  border-color: rgba(0, 174, 121, 0.35);
  box-shadow: 0 8px 28px rgba(3, 87, 131, 0.1);
}

.landing-card h3 {
  font-size: 1.1rem;
  color: var(--dp-primary);
  margin: 0 0 0.65rem;
}

.landing-card p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--dp-neutral-600);
  line-height: 1.6;
}

.landing-card .bi {
  font-size: 1.5rem;
  color: var(--dp-accent);
  margin-bottom: 0.75rem;
  display: block;
}

.landing-dia {
  text-align: center;
  background: linear-gradient(
    160deg,
    rgba(3, 87, 131, 0.06) 0%,
    rgba(0, 174, 121, 0.08) 100%
  );
  border-top: 1px solid rgba(3, 87, 131, 0.1);
  border-bottom: 1px solid rgba(3, 87, 131, 0.1);
}

/* DIA bölümü: üst ve alt iç boşluk eşit */
.landing-section.landing-dia {
  padding-top: 1.5rem;
  padding-bottom: 1.5rem;
}

.landing-dia-inner {
  max-width: 48rem;
}

.landing-dia .dia-copy {
  margin: 0 auto;
  max-width: 42rem;
  text-align: center;
}

.landing-dia .dia-copy p {
  color: var(--dp-neutral-600);
  line-height: 1.65;
  margin-bottom: 1rem;
}

.landing-dia .dia-copy p:last-child {
  margin-bottom: 0;
}

.landing-dia-badges {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 1.75rem 2.25rem;
}

.landing-dia-badge-link {
  display: inline-flex;
  align-items: center;
  line-height: 0;
}

.landing-dia-badges img {
  max-width: 100%;
  height: auto;
  display: block;
}

.landing-dia-badges .dia-main-logo {
  max-height: 52px;
  width: auto;
}

.landing-dia-badges .dia-partner-logo {
  max-height: 64px;
  width: auto;
}

.landing-cta-block {
  text-align: center;
  padding: 3rem 1.25rem;
  background: var(--dp-surface);
}

.landing-cta-block h2 {
  margin-bottom: 0.5rem;
}

.landing-cta-block .sub {
  color: var(--dp-neutral-600);
  margin-bottom: 1.5rem;
}

.landing-cta-block .landing-button-stack {
  max-width: calc(220px * 2 + 1rem);
  margin-left: auto;
  margin-right: auto;
}

.landing-cta-block .landing-button-stack-row .custom-btn {
  min-width: 220px;
  display: inline-flex;
  justify-content: center;
  align-items: center;
}

.landing-cta-block .landing-btn-contact-cta {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  background: transparent;
  color: var(--dp-primary);
  border: 2px solid var(--dp-primary);
  box-shadow: none;
}

.landing-cta-block .landing-btn-contact-cta:hover {
  background: rgba(3, 87, 131, 0.08);
  color: var(--dp-primary-dark);
  border-color: var(--dp-primary-mid);
}

.landing-cta-block .btn-primary.custom-btn {
  background: var(--dp-accent);
  border-color: var(--dp-accent);
  color: #fff;
}

.landing-cta-block .btn-primary.custom-btn:hover {
  background: var(--dp-accent-dark);
  border-color: var(--dp-accent-dark);
  color: #fff;
}

.landing-cta-block .btn-success.custom-btn {
  background: var(--dp-primary);
  border-color: var(--dp-primary);
  color: #fff;
}

.landing-cta-block .btn-success.custom-btn:hover {
  background: var(--dp-primary-mid);
  border-color: var(--dp-primary-mid);
  color: #fff;
}

.landing-footer {
  background: var(--dp-primary-dark);
  color: rgba(255, 255, 255, 0.88);
  padding: 2.25rem 1.25rem 1.5rem;
}

.landing-footer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  align-items: center;
  justify-items: center;
  max-width: 900px;
  margin: 0 auto 1.5rem;
}

.landing-footer-grid a {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem;
  opacity: 0.95;
  transition: opacity 0.2s ease;
}

.landing-footer-grid a:hover {
  opacity: 1;
}

.landing-footer-grid img {
  max-height: 48px;
  width: auto;
  max-width: 100%;
  filter: brightness(0) invert(1);
}

/* DIA ve çözüm ortağı logoları renkli kalsın */
.landing-footer-grid .footer-logo-color img {
  filter: none;
  max-height: 56px;
}

.landing-footer-grid .footer-rota img {
  filter: none;
  max-height: 48px;
  width: auto;
}

.landing-footer-copy {
  text-align: center;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.5;
  max-width: 40rem;
  margin: 0 auto;
}

.landing-footer-copy strong {
  color: rgba(255, 255, 255, 0.9);
  font-weight: 600;
}

/* Carousel tam yükseklik hero içinde */
#backgroundCarousel {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
}

#backgroundCarousel .carousel-inner,
#backgroundCarousel .carousel-item {
  height: 100%;
}

#backgroundCarousel .carousel-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.carousel-fade .carousel-item {
  opacity: 0;
  transition: opacity 0.65s cubic-bezier(0.4, 0, 0.2, 1);
}

.carousel-fade .carousel-item.active {
  opacity: 1;
}

/* Mobil: Rota üst çubukta gizli; logo footer ızgarasında */
@media (max-width: 767px) {
  .landing-topbar .topbar-diauygulama {
    display: none;
  }

  .landing-footer-grid {
    grid-template-columns: 1fr;
  }

  .landing-topbar-nav a.nav-anchor {
    display: none;
  }
}

/* Giriş Yap yalnızca büyük ekran — plan ile aynı */
@media (max-width: 1023px) {
  .btn-primary.custom-btn.landing-admin-btn {
    display: none !important;
  }
}

@media (min-width: 1024px) {
  .btn-primary.custom-btn.landing-admin-btn {
    display: inline-flex !important;
  }
}