body {
  font-family: Inter;
  padding: 0;
  margin: 0;
  box-sizing: border-box;
}
section {
  height: 100vh;
}
.d-1 {
  padding: 300px 0;
  position: relative;
  background-color: #15263f;
  box-sizing: border-box;
}
.d-1 .container {
  position: relative;
  z-index: 1;
  text-align: center;
  color: white;
}
.d-4 {
  padding: 0;
}
.d-4 .container {
  text-align: left;
}
.hhh2 {
  color: #fff;
  font-family: Inter;
  font-size: 32px;
  font-style: normal;
  font-weight: 600;
  line-height: 100%; /* 32px */
  text-transform: uppercase;
  opacity: 0.7;
}
.ih {
  color: #fff;
  font-family: Inter;
  font-size: 411.007px;
  font-style: normal;
  font-weight: 700;
  line-height: 88.227%; /* 596.894px */
  text-transform: uppercase;
}
.d-1 h1,
.d-3 h1 {
  color: #fff;
  margin: 0 0 10px 0;
  text-align: center;
  font-family: Inter;
  font-size: 90px;
  font-style: normal;
  font-weight: 400;
  line-height: 96%; /* 86.4px */
  letter-spacing: -3.6px;
  text-transform: uppercase;
}
.d-1 h2,
.d-3 h2 {
  color: #fff;
  margin: 0;
  text-align: center;
  font-family: Inter;
  font-size: 40px;
  font-style: normal;
  font-weight: 400;
  line-height: 120%; /* 48px */
  opacity: 0.7;
}
.d-1 svg {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 0;
}
.empty {
  height: 50vh;
  box-sizing: border-box;
}
.empty div {
  text-align: center;
  padding: 100px;
  font-size: 60px;
}
.d-2 {
  padding: 90px 0;
  position: relative;
  background-color: #15263f;
  box-sizing: border-box;
}
.d-2 .container {
  position: relative;
  z-index: 1;
  text-align: center;
  color: white;
}
.d-2 h1 {
  color: #fff;
  margin: 0;
  text-align: center;
  font-family: Inter;
  font-size: 40px;
  font-style: normal;
  font-weight: 400;
  line-height: 120%; /* 48px */
}
.d-2 h2 {
  color: #fff;
  margin: 0;
  text-align: center;
  font-family: Inter;
  font-size: 40px;
  font-style: normal;
  font-weight: 400;
  opacity: 0.7;
  line-height: 120%; /* 48px */
}
.d-3 {
  padding: 300px 0;
  position: relative;
  background: url(bg1.png) lightgray top center / cover no-repeat;
  background-attachment: fixed; /* Основное свойство для параллакса */
  mix-blend-mode: luminosity;
  box-sizing: border-box;
  min-height: 100vh; /* Рекомендуется добавить */
}