/* Navbar Mobile Styles */
@media (max-width: 991.98px) {
  .navbar-collapse {
    position: fixed;
    top: 70px;
    left: 0;
    padding-left: 15px;
    padding-right: 15px;
    padding-bottom: 15px;
    width: 100%;
    height: auto;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    display: flex;
    align-items: flex-start;
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
  }

  .navbar-collapse.show {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  }

  .navbar-nav {
    width: 100%;
    padding: 15px 0;
  }

  .nav-item {
    margin: 5px 0;
    opacity: 0;
    transform: translateY(-20px);
    transition: opacity 0.3s ease, transform 0.3s ease;
  }

  .navbar-collapse.show .nav-item {
    opacity: 1;
    transform: translateY(0);
  }

  .nav-item:nth-child(1) { transition-delay: 0.1s; }
  .nav-item:nth-child(2) { transition-delay: 0.2s; }
  .nav-item:nth-child(3) { transition-delay: 0.3s; }
  .nav-item:nth-child(4) { transition-delay: 0.4s; }
  .nav-item:nth-child(5) { transition-delay: 0.5s; }
  .nav-item:nth-child(6) { transition-delay: 0.6s; }

  .nav-link {
    padding: 10px 20px;
    font-size: 1.1rem;
    border-radius: 8px;
    transition: all 0.3s ease;
  }

  .nav-link:hover {
    background-color: var(--seccare-light-green);
    transform: translateX(5px);
  }

  .navbar-toggler {
    border: none;
    padding: 0;
    outline: none !important;
    box-shadow: none !important;
  }

  .navbar-toggler-icon {
    width: 24px;
    height: 17px;
    position: relative;
    transition: all 0.3s ease;
  }

  .navbar-toggler-icon::before,
  .navbar-toggler-icon::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background-color: var(--seccare-dark);
    transition: all 0.3s ease;
    left: 0;
  }

  .navbar-toggler-icon::before {
    top: 0;
  }

  .navbar-toggler-icon::after {
    bottom: 0;
  }

  .navbar-toggler[aria-expanded="true"] .navbar-toggler-icon::before {
    transform: rotate(45deg);
    top: 8px;
  }

  .navbar-toggler[aria-expanded="true"] .navbar-toggler-icon::after {
    transform: rotate(-45deg);
    bottom: 7px;
  }

  .btn-primary {
    width: 100%;
    margin-top: 10px;
  }
}

@media (max-width: 576px) {
  #scrollToTop {
    display: none;
  }
}

/* Referenzen Section Base */
.referenzen-main {
  min-height: 100vh;
  background: linear-gradient(180deg, #f5f5f5 0%, #fafafa 100%);
  padding: 160px 0 60px;
  position: relative;
  overflow: hidden;
}

.container {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 20px;
  position: relative;
  background: transparent;
}

.referenzen-header {
  text-align: center;
  margin-bottom: 50px;
  position: relative;
  padding: 0 20px;
  opacity: 0;
  animation: fadeInTitle 1s ease-out forwards;
}

@keyframes fadeInTitle {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.referenzen-header::before {
  content: '';
  position: absolute;
  width: 60px;
  height: 3px;
  background: var(--seccare-green);
  bottom: -20px;
  left: 50%;
  transform: translateX(-50%);
  border-radius: 2px;
}

.referenzen-main-title {
  font-size: 2.8rem;
  font-weight: 700;
  color: var(--seccare-dark);
  margin-bottom: 20px;
  letter-spacing: -0.02em;
  line-height: 1.2;
  position: relative;
  display: inline-block;
}

.referenzen-subtitle {
  font-size: 1.2rem;
  color: #666;
  max-width: 750px;
  margin: 0 auto;
  line-height: 1.5;
  font-weight: 400;
}

.referenzen-section {
  margin-bottom: 60px;
  opacity: 0;
  animation: fadeInUp 0.8s ease-out 0.3s forwards;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.section-title {
  text-align: center;
  font-size: 2.4rem;
  font-weight: 600;
  color: var(--seccare-dark);
  margin-bottom: 50px;
  margin-top: 60px;
  letter-spacing: -0.02em;
  line-height: 1.2;
  position: relative;
}

.section-title::after {
  content: '';
  position: absolute;
  width: 80px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 0, 0, 0.1), transparent);
  bottom: -20px;
  left: 50%;
  transform: translateX(-50%);
}

/* Swiper Styles */
.swiper {
  width: 100%;
  padding: 20px 0 40px 0;
  background: transparent;
}

.swiper-slide {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 0 10px;
}

.swiper-slide img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  border-radius: 16px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease;
}

.swiper-slide img:hover {
  transform: scale(1.02);
}

/* Placeholder Styles */
.placeholder-image {
  width: 100%;
  height: 400px;
  background: white;
  border-radius: 16px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 40px 20px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid rgba(0, 0, 0, 0.03);
}

.placeholder-image:hover {
  transform: scale(1.02);
  box-shadow: 0 6px 25px rgba(0, 0, 0, 0.15);
  border-color: var(--seccare-green);
}

.placeholder-image p {
  font-size: 1.2rem;
  color: var(--seccare-dark);
  font-weight: 500;
  margin: 0;
  line-height: 1.4;
}

/* Navigation */
.swiper-button-prev,
.swiper-button-next {
  color: var(--seccare-green);
  background: rgba(255, 255, 255, 0.9);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

.swiper-button-prev:after,
.swiper-button-next:after {
  font-size: 20px;
}

.swiper-button-prev:hover,
.swiper-button-next:hover {
  background: var(--seccare-green);
  color: white;
  transform: scale(1.1);
}

/* Pagination */
.swiper-pagination {
  position: static !important;
  margin-top: 20px;
  background: none;
  border-radius: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  padding: 0;
  box-shadow: none;
}

.swiper-pagination-bullet {
  background: #d6eec0;
  opacity: 1;
  width: 12px;
  height: 12px;
  margin: 0 5px !important;
  border-radius: 50%;
  box-shadow: none;
  border: none;
  transition: background 0.2s, border 0.2s, opacity 0.2s;
}

.swiper-pagination-bullet-active {
  background: var(--seccare-green);
  opacity: 1;
  border: none;
}

/* Responsive */
@media (max-width: 768px) {
  .referenzen-main {
    padding: 140px 0 40px;
  }

  .container {
    padding: 0 15px;
  }

  .referenzen-header {
    margin-bottom: 30px;
  }

  .referenzen-main-title {
    font-size: 2rem;
  }

  .referenzen-subtitle {
    font-size: 1rem;
  }

  .section-title {
    font-size: 2rem;
    margin-bottom: 40px;
    margin-top: 50px;
  }

  .referenzen-section {
    margin-bottom: 40px;
  }

  .swiper-slide img,
  .placeholder-image {
    height: 300px;
  }

  .placeholder-image {
    padding: 30px 15px;
  }

  .placeholder-image p {
    font-size: 1.1rem;
  }
}

@media (max-width: 480px) {
  .referenzen-main {
    padding: 160px 0 40px;
  }
  
  .referenzen-main-title {
    font-size: 1.8rem;
  }

  .referenzen-subtitle {
    font-size: 1rem;
    padding: 0 15px;
  }

  .section-title {
    font-size: 1.8rem;
    margin-top: 40px;
  }

  .swiper-slide img,
  .placeholder-image {
    height: 250px;
  }

  .placeholder-image {
    padding: 25px 15px;
  }

  .placeholder-image p {
    font-size: 1rem;
  }
}

/* Fix for Safari and older browsers */
@supports not (backdrop-filter: blur(10px)) {
  .referenzen-main,
  .container {
    background: transparent;
  }
}