/* =========================================================
   HERO
========================================================= */

.hero {
  position: relative;
  height: 750px;
  background-image: url("../images/header.jpg");
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
}

.hero-content {
  position: absolute;
  left: 0;
  bottom: 80px;
  width: auto;
  max-width: 850px;
  padding: 28px 80px 28px 100px;
  background-color: hsla(0, 0%, 100%, 0.8);
  border-radius: 0 20px 20px 0;
}

.hero-content h1 {
  padding: 0;
  color: #e13c04;
  font-size: 35px;
  line-height: 40px;
}

.hero-subtitle {
  margin-top: 12px;
  color: #2e6eae;
  font-size: 28px;
  font-weight: 600;
  line-height: 35px;
}

.hero-content .button {
  margin-top: 24px;
}

/* =========================================================
   SHARED SECTION TITLES
========================================================= */

.heating-process {
  width: 80%;
  margin: 100px auto;
}

.heating-process .section-title {
  margin-bottom: 60px;
}

/* =========================================================
   REQUIRED DATA
========================================================= */

.heating-data {
  width: 80%;
  margin: 100px auto;
}

.heating-data-intro {
  margin-bottom: 30px;
}


.heating-data-note {
  margin-top: 30px;
}

.heating-data-box h3 {
  margin: 0 0 30px;
  color: #2e6eae;
  font-size: clamp(22px, 1.5vw, 28px);
  line-height: 1.25;
}

.heating-data-box ul {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin: 20px 0 0;
  padding-left: 20px;
}

.heating-data-box li {
  color: #333333;
  line-height: 1.6;
}

.heating-data-box li::marker {
  color: #e13c04;
}

.heating-data-box li + li {
  margin-top: 0;
}

/* =========================================================
   PROCESS
========================================================= */

.heating-process-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 40px;
}

.heating-process-grid article {
  padding: 40px;
  background-color: #f4f7fa;
  border-radius: 40px;
}

.heating-process-grid h3 {
  margin: 0 0 20px;
  color: #2e6eae;
  font-size: clamp(22px, 1.5vw, 28px);
  line-height: 1.25;
}

.heating-process-grid p {
  margin: 0;
  color: #333333;
  line-height: 1.6;
}


/* =========================================================
   RESPONSIVE
========================================================= */

@media (max-width: 1200px) {
  .heating-data-box ul {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .hero {
    height: 560px;
    min-height: 0;
  }

  .hero-content {
    right: 30px;
    bottom: 30px;
    width: auto;
    max-width: none;
    min-height: 0;
    padding: 22px 30px;
    border-radius: 0 20px 20px 0;
  }
  .content-picture {
    order: 2;
  }

  .content-text {
    order: 1;
  }
}

@media (max-width: 620px) {
  .hero {
    height: 480px;
    min-height: 0;
  }

  .hero-content {
    right: 20px;
    bottom: 20px;
    width: auto;
    min-height: 0;
    padding: 20px;
  }

  .hero-content h1 {
    font-size: 28px;
    line-height: 32px;
  }

  .hero-subtitle {
    margin-top: 10px;
    font-size: 20px;
    line-height: 26px;
  }

  .content-picture {
    width: calc(100% + (var(--page-padding) * 2));
    margin-left: calc(var(--page-padding) * -1);
  }

  .heating-data,
  .heating-process {
    margin: 80px auto;
  }

  .heating-data-intro,
  .heating-process .section-title {
    margin-bottom: 40px;
  }

  .heating-data-box li,
  .heating-process-grid article {
    padding: 30px;
  }

  .heating-data-box ul,
  .heating-process-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
}