:root {
  --white: #ffffff;
  --btn-black: #171717;
  --btn-green: #25ab75;
  --lightgrey: #ababab;
}

.header__nav {
  display: none;
}

.workout-program__black-box {
  width: 70%;
}

.workout-program-box-1 {
  grid-column: 1/3;
  grid-row: 1/2;
}

.workout-program-box-2 {
  grid-column: 1/2;
  grid-row: 5/6;
  width: 100%;
}

.workout-program-box-2__txtbox {
  background-image: linear-gradient(
    to bottom,
    rgba(255, 0, 0, 0),
    rgba(10, 10, 10, 0.9)
  );
  bottom: 0px;
  width: 100%;
}

.workout-program-box-3 {
  grid-column: 2/3;
  grid-row: 5/6;
  width: 100%;
}

.workout-program-box-4 {
  grid-column: 1/3;
  grid-row: 2/3;
}

.workout-program-box-5 {
  grid-column: 1/3;
  grid-row: 3/5;
}

.workout-program-box-5__txtbox {
  background-image: linear-gradient(
    to bottom,
    rgba(255, 0, 0, 0),
    rgba(10, 10, 10, 0.9)
  );
  bottom: 0px;
  left: 0;
  width: 100%;
}

.header-mobile {
  position: fixed;
  width: 100%;
  background-color: var(--btn-black);
  z-index: 1;
  overflow: hidden;
  transition: height 1s ease;
}

.active {
  height: 100vh;
}

.header-mobile__close-btn {
  display: flex;
  justify-content: end;
  padding: 10px;
}

.header-mobile__close-btn p {
  font-size: 2rem;
  color: var(--white);
  font-weight: 600;
}

.header__nav-mobile {
  display: flex;
  flex-direction: column;
  gap: 50px;
}

.header__nav-mobile a {
  font-size: 1.5rem;
  color: var(--white);
  display: inline-block;
  margin-left: 20px;
}

.header__hamburger-btn {
  display: block;
}

.workout-program-box-1-img {
  /* width: min(70%, 500px); */
  width: 200px;
  display: inline-block;
}