* {
  box-sizing: border-box;
}

html {
  color: #161616;
  background: #fff;
  font-family: Arial, Helvetica, sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

body {
  margin: 0;
}

img {
  display: block;
  max-width: 100%;
}

.banner {
  position: relative;
  width: 100%;
  overflow: hidden;
  isolation: isolate;
}

.banner__picture,
.banner__picture img {
  display: block;
  width: 100%;
}

.banner__picture img {
  height: auto;
}

.banner__copy {
  position: absolute;
  z-index: 1;
  width: min(36%, 410px);
  line-height: 1.42;
}

.banner__copy h1,
.banner__copy h2,
.banner__copy p {
  margin: 0;
}

.banner__copy h1,
.banner__copy h2 {
  margin-bottom: 12px;
  font-size: clamp(15px, 1.75vw, 22px);
  font-weight: 700;
  line-height: 1.18;
}

.banner__copy p {
  font-size: clamp(13px, 1.35vw, 17px);
}

.banner--intro .banner__copy {
  top: 34%;
  left: 3.7%;
  width: min(43%, 455px);
}

.banner--intro .banner__copy p {
  margin-top: 26px;
  color: #555;
}

.banner--submarine .banner__copy {
  top: 20%;
  left: 4.5%;
  width: min(39%, 385px);
}

.banner--dark {
  color: #fff;
}

.banner__copy--dark {
  color: #fff;
}

.banner--pets .banner__copy {
  top: 26%;
  left: 3.7%;
  width: min(36%, 390px);
  color: #242424;
}

.banner--pets .banner__copy p {
  margin-top: 22px;
  font-weight: 600;
}

.banner--power .banner__copy {
  top: 18%;
  left: 2%;
  width: min(38%, 370px);
  color: #fff;
}

.banner--power .banner__copy p {
  margin-top: 10px;
}

.banner--filtration .banner__copy {
  top: 13%;
  left: 4%;
  width: min(44%, 425px);
  color: #fff;
}

.banner--filtration .banner__copy p {
  margin-top: 26px;
}

.features {
  padding: 0 1% 30px;
}

.features > h2 {
  margin: 0 0 22px;
  color: #4b4b4b;
  text-align: center;
  font-size: clamp(22px, 2.3vw, 29px);
  line-height: 1.2;
}

.features__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px 2.8%;
}

.feature-card {
  min-width: 0;
}

.feature-card img {
  width: 100%;
  aspect-ratio: 450 / 250;
  object-fit: cover;
  border: 1px solid #333;
  box-shadow: 0 2px 6px rgb(0 0 0 / 22%);
}

.feature-card h3 {
  margin: 9px 0 4px;
  color: #292929;
  font-size: clamp(16px, 1.65vw, 21px);
  font-weight: 400;
  line-height: 1.25;
}

.feature-card p {
  margin: 0;
  color: #373737;
  font-size: clamp(12px, 1.12vw, 14px);
  line-height: 1.4;
}

@media (max-width: 640px) {
  .banner__picture img {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
  }

  .banner__copy {
    position: relative;
    inset: auto;
    width: auto;
    max-width: none;
    padding: 22px 20px 26px;
  }

  .banner__copy h1,
  .banner__copy h2 {
    margin-bottom: 10px;
    font-size: clamp(19px, 5vw, 25px);
  }

  .banner__copy p {
    font-size: 15px;
  }

  .banner--intro .banner__copy,
  .banner--submarine .banner__copy,
  .banner--pets .banner__copy,
  .banner--power .banner__copy,
  .banner--filtration .banner__copy {
    inset: auto;
    width: auto;
    margin: 0;
  }

  .banner--intro .banner__copy {
    background: #fff;
  }

  .banner--intro .banner__copy p,
  .banner--pets .banner__copy p,
  .banner--filtration .banner__copy p {
    margin-top: 12px;
  }

  .banner--submarine .banner__copy,
  .banner--power .banner__copy {
    background: #111;
  }

  .banner--pets .banner__copy {
    background: #f4f4f4;
  }

  .banner--filtration .banner__copy {
    background: #000;
  }

  .features {
    padding: 22px 16px 28px;
  }

  .features > h2 {
    margin-bottom: 18px;
    font-size: 25px;
  }

  .features__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px 14px;
  }

  .feature-card h3 {
    margin-top: 8px;
    font-size: 16px;
  }

  .feature-card p {
    font-size: 13px;
  }
}

@media (max-width: 420px) {
  .features__grid {
    grid-template-columns: 1fr;
    gap: 22px;
  }
}