*{
  margin:0;
  padding:0;
  box-sizing:border-box;
}

html,
body{
  height:100%;
}

body{
  background:#000;
  color:#fff;
  font-family:'Manrope',sans-serif;
  display:flex;
  flex-direction:column;
}

a{
  color:inherit;
  text-decoration:none;
}

.no-scroll{
  overflow:hidden;
}

/* BUTTONS */

.btn{
  padding:14px 28px;
  background:#B22222;
  border:1px solid #B22222;
  border-radius:40px;
  color:#fff;
  cursor:pointer;
  transition:.3s;
  font-size:12px;
  font-weight:300;
  letter-spacing:.05em;
  text-transform:uppercase;
}

.btn:hover{
  background:transparent;
  border-color:rgba(255,255,255,.4);
}

.btn-glass{
  background:transparent;
  border:1px solid rgba(255,255,255,.24);
  backdrop-filter:blur(8px);
}

/* VIDEO */

.video-section{
  position:relative;
  height:100vh;
  overflow:hidden;
}

video{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  z-index:0;
}

.overlay{
  position:absolute;
  inset:0;
  background:rgba(0,0,0,.58);
  z-index:1;
}

/* HERO */

.hero{
  position:relative;
}

.content{
  position:relative;
  z-index:2;
  text-align:center;
  top:50%;
  transform:translateY(-50%);
}

h1{
  font-size:42px;
  line-height:1;
  font-weight:300;
  letter-spacing:.08em;
}

h1 span{
  display:inline-block;
  margin:0 12px;
  opacity:.65;
  font-weight:300;
}

.hero-request{
  position:absolute;
  left:50%;
  bottom:40px;
  z-index:2;

  width:90%;
  max-width:760px;

  display:flex;
  align-items:center;
  justify-content:space-between;

  transform:translateX(-50%);

  background:rgba(0,0,0,.62);
  border:1px solid rgba(255,255,255,.12);
  backdrop-filter:blur(10px);

  border-radius:60px;

  padding:8px;
}

.hero-request-text{
  padding:0 22px;
  font-size:15px;
  line-height:1.35;
  color:#8D8D8D;
}

.hero-request .btn{
  flex:0 0 auto;
  min-width:170px;
}

/* PROJECTS */

.projects{
  padding:110px 5% 70px;
  border-bottom:1px solid #1A1A1A;
}

.projects-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:20px;
}

.project-card{
  position:relative;
  height:420px;
  overflow:hidden;
  cursor:pointer;
  background:#0a0a0a;
}

.project-card video{
  transition:transform .7s ease;
}

.project-card:hover video{
  transform:scale(1.03);
}

.project-card:hover .overlay{
  background:rgba(0,0,0,.42);
}

.project-text{
  position:absolute;
  z-index:2;
  left:26px;
  bottom:26px;
}

.project-sku{
  margin-bottom:8px;
  font-size:11px;
  color:#707070;
  letter-spacing:.12em;
  text-transform:uppercase;
}

.project-text h2{
  font-size:22px;
  font-weight:400;
  color:#fff;
  letter-spacing:.04em;
}

/* PAGINATION */

.projects-pagination{
  margin-top:38px;
  display:flex;
  align-items:center;
  justify-content:center;
  gap:10px;
}

.pagination-link,
.pagination-next{
  min-width:42px;
  height:42px;
  padding:0 16px;

  display:inline-flex;
  align-items:center;
  justify-content:center;

  border:1px solid rgba(255,255,255,.18);
  border-radius:40px;

  background:transparent;

  color:#fff;

  font-size:12px;
  letter-spacing:.08em;
  text-transform:uppercase;

  transition:.3s;
}

.pagination-link:hover,
.pagination-next:hover,
.pagination-link.active{
  background:#B22222;
  border-color:#B22222;
}

.pagination-next{
  min-width:132px;
}

/* ADVANTAGES */

.advantages{
  padding:110px 5%;
  border-bottom:1px solid #1A1A1A;
}

.advantages-image{
  width:100%;
  height:540px;
  overflow:hidden;
  margin-bottom:54px;
}

.advantages-image img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
  filter:grayscale(1);
}

.advantages-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:32px;
}

.advantage-item{
  padding-top:22px;
  border-top:1px solid #222;
}

.advantage-title{
  font-size:34px;
  line-height:1.05;
  font-weight:300;
  color:#fff;
  letter-spacing:.04em;
}

.advantage-text{
  margin-top:14px;
  font-size:14px;
  line-height:1.5;
  color:#8D8D8D;
  max-width:240px;
}

/* SECTION */

.section-head{
  margin-bottom:34px;
}

.section-head h2{
  font-size:58px;
  line-height:1;
  font-weight:500;
  letter-spacing:.06em;
}

/* SERVICES */

.categories{
  padding:110px 5%;
  border-bottom:1px solid #1A1A1A;
}

.categories-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
}

.cat-card{
  position:relative;
  height:340px;
  overflow:hidden;
  background:#0a0a0a;
}

.cat-card video{
  transition:transform .7s ease;
}

.cat-card:hover video{
  transform:scale(1.03);
}

.cat-card:hover .overlay{
  background:rgba(0,0,0,.42);
}

.cat-content{
  position:absolute;
  z-index:2;
  inset:24px;

  display:flex;
  flex-direction:column;
  justify-content:space-between;
  align-items:flex-start;
}

.cat-content h3{
  font-size:28px;
  line-height:1.1;
  font-weight:400;
  letter-spacing:.04em;
}

/* WORK SCHEME */

.work-scheme{
  padding:110px 5%;
  background:#000;
  border-bottom:1px solid #1A1A1A;
}

.work-scheme-head{
  text-align:center;
  margin-bottom:70px;
}

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

.work-step{
  position:relative;
  padding-right:36px;
}

.work-step-line{
  position:relative;
  height:34px;
  margin-bottom:26px;
}

.work-step-line::before{
  content:"";
  position:absolute;
  left:0;
  top:50%;
  width:100%;
  height:1px;
  background:#222;
}

.work-step:last-child .work-step-line::before{
  width:34px;
}

.work-step-number{
  position:relative;
  z-index:2;

  width:34px;
  height:34px;

  display:flex;
  align-items:center;
  justify-content:center;

  border:1px solid #B22222;
  border-radius:50%;

  background:#000;

  color:#fff;

  font-size:12px;
  font-weight:400;
  letter-spacing:.04em;
}

.work-step h3{
  margin-bottom:18px;

  font-size:18px;
  line-height:1.15;
  font-weight:500;

  color:#fff;

  letter-spacing:.08em;
  text-transform:uppercase;
}

.work-step p{
  max-width:270px;

  font-size:13px;
  line-height:1.65;

  color:#8D8D8D;
}

/* OFFICE */

.office-section{
  padding:110px 5%;
  border-bottom:1px solid #1A1A1A;
}

.office-head{
  margin-bottom:34px;
}

.office-head h2{
  font-size:58px;
  line-height:1;
  font-weight:500;
  letter-spacing:.06em;
}

.office-slider{
  position:relative;
  overflow:hidden;
}

.office-track{
  display:flex;
  overflow-x:auto;
  scroll-snap-type:x mandatory;
  scroll-behavior:smooth;
  scrollbar-width:none;
}

.office-track::-webkit-scrollbar{
  display:none;
}

.office-slide{
  flex:0 0 82%;
  height:560px;
  margin-right:20px;
  overflow:hidden;
  scroll-snap-align:start;
}

.office-slide img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
  filter:grayscale(1);
}

.office-arrow{
  position:absolute;
  top:50%;
  transform:translateY(-50%);
  z-index:5;

  width:48px;
  height:48px;

  border:1px solid rgba(255,255,255,.2);
  border-radius:50%;

  background:rgba(0,0,0,.45);

  color:#fff;
  font-size:36px;

  cursor:pointer;
  transition:.3s;
}

.office-arrow:hover{
  background:#B22222;
  border-color:#B22222;
}

.office-prev{
  left:18px;
}

.office-next{
  right:18px;
}

/* MOBILE */

@media(max-width:900px){

  h1{
    font-size:30px;
    white-space:nowrap;
    font-weight:300;
    letter-spacing:.06em;
  }

  .hero-request{
    left:18px;
    right:18px;
    bottom:24px;

    width:auto;
    max-width:none;

    transform:none;

    border-radius:28px;
    padding:6px;
  }

  .hero-request-text{
    flex:1;
    padding:10px 12px;
    font-size:12px;
    line-height:1.3;
  }

  .hero-request .btn{
    min-width:auto;
    padding:12px 16px;
    font-size:11px;
    letter-spacing:.05em;
  }

  .projects{
    padding:70px 5% 50px;
  }

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

  .project-card{
    height:360px;
  }

  .projects-pagination{
    justify-content:flex-start;
    overflow-x:auto;
  }

  .advantages{
    padding:70px 5%;
  }

  .advantages-image{
    height:320px;
    margin-bottom:30px;
  }

  .advantages-grid{
    grid-template-columns:repeat(2,1fr);
    gap:22px 18px;
  }

  .advantage-item{
    padding-top:18px;
  }

  .advantage-title{
    font-size:20px;
    line-height:1.1;
  }

  .advantage-text{
    margin-top:10px;
    font-size:12px;
    line-height:1.35;
  }

  .categories{
    padding:70px 5%;
  }

  .section-head h2,
  .office-head h2,
  .work-scheme-head h2{
    font-size:34px;
  }

  .categories-grid{
    grid-template-columns:1fr;
    gap:14px;
  }

  .cat-card{
    height:360px;
  }

  .cat-content h3{
    font-size:30px;
  }

  .work-scheme{
    padding:70px 5%;
  }

  .work-scheme-head{
    margin-bottom:42px;
  }

  .work-scheme-grid{
    grid-template-columns:1fr;
    gap:0;
  }

  .work-step{
    display:grid;
    grid-template-columns:34px 1fr;
    column-gap:18px;
    padding-right:0;
    padding-bottom:38px;
  }

  .work-step-line{
    grid-row:1 / span 2;
    height:100%;
    margin-bottom:0;
  }

  .work-step-line::before{
    left:50%;
    top:0;
    width:1px;
    height:100%;
    background:#222;
  }

  .work-step:last-child .work-step-line::before{
    height:34px;
    width:1px;
  }

  .work-step h3{
    margin-bottom:12px;
    font-size:16px;
  }

  .work-step p{
    max-width:none;
    font-size:12px;
    line-height:1.55;
  }

  .office-section{
    padding:70px 5%;
  }

  .office-slide{
    flex:0 0 88%;
    height:420px;
    margin-right:14px;
  }

  .office-arrow{
    width:40px;
    height:40px;
    font-size:30px;
  }
}