/* Обертка для всей страницы */

html {scroll-behavior: smooth;}
	.ib-menu {    display: flex;padding-left: 2rem;gap: 3rem;
    padding-right: 2rem;    z-index: 2;
    max-width: 155rem;
    margin: 0 auto;}
	.ib-menu>div:first-child{}
	.ib-menu-sidebar{    height: 100%;
    width: 30%;
    position: sticky;
        top: 30%;}
.by-wrap,.by-wrap p,.by-wrap em,.by-wrap span {font-size: 1.6rem;line-height:1.4}
.ib-menu>div:last-child ul{}
.ib-menu>div:last-child li{font-size: 1.6rem;
    line-height: 1.3;}
	.by-wrap .ib-menu>div:last-child ul li::before {content:none}
div.link {position: relative;}
.by-wrap .ib-menu-sidebar h3 {
    margin-left: 1rem;
    font-size: 1.6rem;
    margin-bottom: 1rem;}

div.link em {
    display: inline-block;
    margin-bottom: 2rem;
    line-height: 1.4;
    border-radius: 2rem;
    font-style: normal;
    color: #ae2a46;}
.ib-menu a {color: #212424;transition:.3s}
.ib-menu a:hover {color: #ae2a46;}

.by-wrap section {width: 100%;display: flex;flex-wrap: wrap;
  max-width: 155rem;position:relative;max-height: 100%;
  margin: 0 auto;    margin-bottom: 11rem;
  padding: 0 0rem;}
  .bg-ib section {height: 100%;}
.by-wrap .white>section {padding-left:2rem; padding-right:2rem}
.bg-ib h1,.bg-ib p {color:white}

.by-wrap h1 {font-size: 5rem;line-height: 1.3;margin-bottom: 2rem;}
.by-wrap h2 {font-size: 3.7rem;margin-bottom: 5rem;line-height: 1.3;}
.by-wrap h3 {    font-size: 2rem;
    margin-bottom: 2rem;
    line-height: 1.2;}
.by-wrap h4 {}
.f-1 {flex:1;position: relative;height: 100%;}
p {color: #444;margin-bottom: 1.45rem;}
.z-1 { z-index: 1; }
.z-2 { z-index: 2; }
.z-3 { z-index: 3; }
.z-4 { z-index: 4; }
.by-1, .by-2, .by-3, .by-4 {
    display: flex;max-height: 100%;
    width: 100%;
    gap: 2rem 1.5rem;
    flex-wrap: wrap;
}
.by-view  img {max-width: 100%;    border-radius: 2rem;}
.overflow {overflow: hidden;}
.by-wrap .shadow> div {
  padding: 3rem 2rem 3rem;
}
.by-wrap .center {align-items: center;}
.by-wrap .link>a>img { width: 5rem;
    max-height: 6rem;
    margin-bottom: 2rem;
    padding: 1rem;
    background-color: #f2f5f8;
    border-radius: 1rem;
    border: 0.0625rem solid #00000005;}
.by-wrap .shadow> div {
backdrop-filter: blur(1rem);
border-radius: 2rem;
border: 0.0625rem solid #00000014;
background: #ffffffc2;

transition:.3s;
transition: transform 0.3s ease 0;
}

.ib-menu .by-2.visible > div,
.ib-menu .by-3.visible > div {
  opacity: 1;
  transform: translateY(0);
}

.by-wrap .shadow> div:hover,.service-card:hover {
box-shadow: 0 4px 24px #0000000d, 0 2px 8px #0000000d;
  transform: translateY(-1rem);
 transition-delay: 0.1s;
}
.by-wrap .shadow>div.link {padding: 0;}
.by-wrap .shadow>div.link>a {color: inherit;padding: 3rem;display: block;
height: 100%;color:#212424;transition:.3s;}

.ib-menu-sidebar a{    transition: .3s;
    padding: 1rem 1.5rem;
    margin-bottom: 1rem;
    display: block;
    color: #333;
    font-size: 1.7rem;
    width: fit-content;}
.ib-menu-sidebar a:hover,.ib-menu-sidebar a.active{background: white;border-radius: 1rem;color: #ac2945;}

.button-group {
      display: flex;
      gap: 0.625rem; /* 10px */
      margin-bottom: 0.625rem;
    }

    .btn {
      padding: 0.625rem 0.9375rem; /* 10px 15px */
      background-color: #007bff;
      color: white;
      border: none;
      border-radius: var(--border-radius);
      cursor: pointer;
      transition: background-color var(--transition);
      font-size: 1rem;
    }

    .btn:hover {
      background-color: #0056b3;
    }

    .btn.active {
      background-color: #0056b3;
      box-shadow: 0 0 0.625rem rgba(0, 0, 0, 0.15);
    }

    /* Контейнер слайдера — плавная анимация высоты */
    .slider-wrapper {
      overflow: hidden;
      transition: height 0.5s ease-in-out;
      height: 0;
    }

    .swiper {
      width: 100%;
      height: var(--height-slider); /* 260px */
      border-top: 0.0625rem solid #ddd; /* 1px */
      padding-top: var(--wrapper-padding); /* 10px */
    }

    .swiper-slide {
      background-color: #f0f0f0;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.2rem;
      border-radius: 0.5rem;
      margin: 0 0.625rem; /* 10px */
    }

    .swiper-pagination {
      bottom: 1rem;
    }

    .swiper-button-next,
    .swiper-button-prev {
      width: 1.5rem;
      height: 1.5rem;
    }



.by-tabs {
  display: flex;
  list-style: none;
  padding: 0;
  margin: 0;
  border-bottom: 1px solid #e0e0e0;
}

.by-wrap .by-tabs li {
  margin: 0 0.9375rem 0 0; /* 15px / 16 */
padding-right: 1.8rem;padding-left: 0;
}


.by-tabs a {
  display: block;
  padding: 1rem 0; /* 16px / 16 */
  text-decoration: none;
  color: #222;
    font-size: 2rem;
}

.by-tabs li.active a {
  color: #a50f2d;
  border-bottom: 0.225rem solid #a50f2d; /* 2px / 16 */
}

.by-view {
  padding: 1.25rem 0; /* 20px / 16 */
}


.services-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
}

.service-card {
    border: 0.0625rem solid #e0e0e0;
    padding: 3rem 2rem;
    cursor: pointer;
    border-radius: 2rem;
    background: white;
transition:.3s;    min-height: 25rem;
position: relative;
}
.by-view>div>a {    background: white;
    color: #3c3c3c;transition:.3s;
    border: none;
    padding: 1rem 2rem;
    cursor: pointer;
    margin-top: 1rem;
    font-size: 2rem;
    border-radius: 1rem;
    margin-bottom: 4rem;
    display: inline-block;
}

.service-card > :nth-last-child(2) {}

.service-card h2 {font-size: 3rem;    margin-bottom: 2rem;}

/* Первые 3 карточки — 1/3 ширины, остаются в первой строке */
.service-card:nth-child(-n+2) {
  flex: 1 1 calc(33.333% - 1.875rem);
  min-width: calc(33.333% - 1.875rem);
}

/* Остальные 4 карточки — 1/4 ширины, начинаются с новой строки */
.service-card:nth-child(n+4) {
  flex: 1 1 calc(25% - 1.875rem);
  min-width: calc(25% - 1.875rem);
}


.detail-btn {
    background: #f2f5f8;
    color: #3c3c3c;
    border: none;
    padding: 1rem 2rem;
    cursor: pointer;
    margin-top: 1rem;
    font-size: 2rem;
    border-radius: 1rem;
    position: absolute;
    bottom: 2rem;
transition:.3s
}

.by-view>div>a:hover,.detail-btn:hover {background:#a50f2d;color:white}



.by-wrap ul.by-tabs li::before {content: none;}


.by-wrap .ib-menu  section{ 
min-height: auto;
display: block;
padding-top: 12rem;
margin-bottom: 0; 
padding-bottom: 0;
}

.by-wrap .ib-menu section:first-child {  padding-top: 3rem;}

.white {
  background-color: white !important;
}
.grey {
  background-color: #f6f6f6 !important;
}

.blue {
  background-color: #EEF2F8 !important;
}

/* Анимации появления */
.ib-menu section {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
  min-height: 50rem;
  padding: 6rem 0;
}

.pulse {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.bg-ib {overflow: hidden;height: 50rem;margin-bottom: 5rem;
background:linear-gradient(270deg, #2c2e36 -11%, #4c536b 57%)}


.pulse.v1 {width: 100%;height: 100%;object-fit: contain;object-position: right;}

.pulse.v2 {animation: rotate 42s infinite linear;}

@keyframes panZoom {
  0% {
    transform: scale(1.03) translate(-3%, -3%);
  }
  50% {
    transform: scale(1.06) translate(3%, 3%);
  }
  100% {
    transform: scale(1.12) translate(3%, -3%);
  }
}




section.visible {
  opacity: 1;
  transform: translateY(0);
}

.ib-menu .by-2 > div,.ib-menu .by-3 > div {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;

}



.by-2.visible > div:nth-child(1),
.by-3.visible > div:nth-child(1) {
  transition-delay: 0.1s;
}

.by-2.visible > div:nth-child(2),
.by-3.visible > div:nth-child(2) {
  transition-delay: 0.13s;
}
.by-2.visible > div:nth-child(2),
.by-3.visible > div:nth-child(2) {
  transition-delay: 0.16s;
}
.by-2.visible > div:nth-child(3),
.by-3.visible > div:nth-child(3) {
  transition-delay: 0.18s;
}
.by-2.visible > div:nth-child(4),
.by-3.visible > div:nth-child(4) {
  transition-delay: 0.2s;
}
.by-2.visible > div:nth-child(5),
.by-3.visible > div:nth-child(5) {
  transition-delay: 0.23s;
}
.by-2.visible > div:nth-child(6),
.by-3.visible > div:nth-child(6) {
  transition-delay: 0.26s;
}


.by-1 > div {
  width: 100%;
}
.by-2 > div {
  width: calc(100% / 2 - 3rem);
}

.by-3 > div {
  width: calc(100% / 3 - 2rem);
}

.by-4 > div {
  width: calc(100% / 4 - 3rem);
}

/* Типографика */

p {
  font-size: 1.6rem;
  color: #444;
  margin-bottom: 1.5rem;
}

.by-wrap ul {
  list-style: none;
  margin-bottom: 1.5rem;
}

.by-wrap ul li {
  position: relative;
  padding-left: 1.8rem;
  font-size: 1.8rem;
  color: #444;
padding:0 !important;
}

.by-wrap ul li::before {
  content: "•";
  color: #a50f2d;
  font-weight: bold;
  position: absolute;
  left: 0;
}

/* Кнопки */
.btn {
  display: inline-block;
  padding: 1rem 2.5rem;
  font-size: 1.8rem;
  font-weight: 500;
  text-decoration: none;
  border-radius: 0.5rem;
  transition: all 0.3s ease;
  text-align: center;
}

.btn-primary {
  background-color: #a50f2de0;
    color: #fff;
    padding: 1rem 2rem;
    font-size: 1.6rem;
    border-radius: 1rem;
    margin-right: 2rem;
  color: #fff;
    margin-bottom: 2rem;
}

.btn-primary:hover {
  background-color: #0046cc;
  transform: translateY(-2px);
}

/* Адаптивность */
@media (max-width: 1024px) {
	.bg-ib p {font-size:1.8rem}
.by-wrap section {max-width: 100%;}
.by-wrap h1 {font-size: 4rem;padding-top: 6rem;}
	.by-wrap h3 {font-size: 2.5rem}
.btn-primary,p,div.link p {font-size: 1.8rem}
.f-1 {position: absolute;right: 40%;bottom: -50%;opacity: .2;}

  .by-2, .by-3 {
    flex-direction: column;
  }
  
  h1 {
    font-size: 3.8rem;
  }
  
  h2 {
    font-size: 3rem;
  }

  h3 {
    font-size: 2.2rem;
  }
  
  p, ul li, h4 {
    font-size: 1.6rem;
  }

  .by-2 > div,.by-3 > div,.by-4 > div {width: 100%;}

.menu-toggle {
  position: fixed;
  top: 80%;
  right: 0;
  transform: translateY(-50%);
  width: 5rem;
  height: 7rem;
  background: #a50f2dab;
  color: white;
  border-radius: 50% 0 0 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  cursor: pointer;
  z-index: 1000;
  transition: right 0.3s ease;
}

.menu-toggle::before {
  content: '<';
}

.ib-menu-sidebar.active .menu-toggle::before {
  content: '>';
}



.ib-menu-sidebar::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.5);
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: -1;
}

.ib-menu-sidebar {
  position: fixed;
  top: 0;
  right: -34rem;
  width: 34rem;
  min-width: 34rem;
  height: 100vh;
  background: #222222;
  transition: right 0.3s ease-in-out;
  z-index: 999;
  padding: 20px;
  box-sizing: border-box;
  overflow: hidden;
}

.ib-menu-sidebar.active {
  right: 0;
}

.ib-menu-sidebar a {
        font-size: 2rem;
    color: white;
padding: 1.5rem 1rem;
}
.ib-menu-sidebar a:hover,.ib-menu-sidebar a.active {
  background:none;
  color: #ac2945;

}
}
.by-wrap .ib-menu-sidebar h3 {
    font-size: 2.5rem;
    margin-top: 2rem;
    margin-bottom: 3rem;
}

.by-wrap ul:not([class])>li:not([class]) {background-image:none}

@keyframes rotate {
      from {
        transform: rotate(0deg);
      }
      to {
        transform: rotate(360deg);
      }
    }
}

/* Padding Left */
.pl-1 { padding-left: 1rem; }
.pl-2 { padding-left: 2rem; }
.pl-3 { padding-left: 3rem; }
.pl-4 { padding-left: 4rem; }
.pl-5 { padding-left: 5rem; }
.pl-6 { padding-left: 6rem; }
.pl-7 { padding-left: 7rem; }
.pl-8 { padding-left: 8rem; }

/* Padding Right */
.pr-1 { padding-right: 1rem; }
.pr-2 { padding-right: 2rem; }
.pr-3 { padding-right: 3rem; }
.pr-4 { padding-right: 4rem; }
.pr-5 { padding-right: 5rem; }
.pr-6 { padding-right: 6rem; }
.pr-7 { padding-right: 7rem; }
.pr-8 { padding-right: 8rem; }

/* Padding Top */
.pt-1 { padding-top: 1rem; }
.pt-2 { padding-top: 2rem; }
.pt-3 { padding-top: 3rem; }
.pt-4 { padding-top: 4rem; }
.pt-5 { padding-top: 5rem; }
.pt-6 { padding-top: 6rem; }
.pt-7 { padding-top: 7rem; }
.pt-8 { padding-top: 8rem; }

/* Padding Bottom */
.pb-1 { padding-bottom: 1rem; }
.pb-2 { padding-bottom: 2rem; }
.pb-3 { padding-bottom: 3rem; }
.pb-4 { padding-bottom: 4rem; }
.pb-5 { padding-bottom: 5rem; }
.pb-6 { padding-bottom: 6rem; }
.pb-7 { padding-bottom: 7rem; }
.pb-8 { padding-bottom: 8rem; }


/* Margin Left */
.ml-1 { margin-left: 1rem; }
.ml-2 { margin-left: 2rem; }
.ml-3 { margin-left: 3rem; }
.ml-4 { margin-left: 4rem; }
.ml-5 { margin-left: 5rem; }
.ml-6 { margin-left: 6rem; }
.ml-7 { margin-left: 7rem; }
.ml-8 { margin-left: 8rem; }

/* Margin Right */
.mr-1 { margin-right: 1rem; }
.mr-2 { margin-right: 2rem; }
.mr-3 { margin-right: 3rem; }
.mr-4 { margin-right: 4rem; }
.mr-5 { margin-right: 5rem; }
.mr-6 { margin-right: 6rem; }
.mr-7 { margin-right: 7rem; }
.mr-8 { margin-right: 8rem; }

/* Margin Top */
.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }
.mt-4 { margin-top: 4rem; }
.mt-5 { margin-top: 5rem; }
.mt-6 { margin-top: 6rem; }
.mt-7 { margin-top: 7rem; }
.mt-8 { margin-top: 8rem; }

/* Margin Bottom */
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.mb-3 { margin-bottom: 3rem; }
.mb-4 { margin-bottom: 4rem; }
.mb-5 { margin-bottom: 5rem; }
.mb-6 { margin-bottom: 6rem; }
.mb-7 { margin-bottom: 7rem; }
.mb-8 { margin-bottom: 8rem; }