:root {
  --input-text-border: lightgrey;
  --input-text-border-hover: #8c5ee9;
  --button-text: #000;
  --button-bg: var(--color-4);
  --button-text-hover: #fff;
  --button-bg-hover: var(--color-2);
}

section#main .container {
  padding: 30px 50px;
  max-width: 1400px;
  margin: 0 auto;
  position: relative;
}

section#main .container>.main-heading {
  font-weight: bold;
  margin-bottom: 18px;
  text-align: center;
  font-size: 40px;
  margin-top: 0;
}

section#main .container>.main-subheading {
  font-weight: bold;
  text-align: center;
  margin-bottom: 30px;
  font-size: 20px;
}

.loading-layout {
  position: absolute;
  left: 0;
  top: 0;
  right: 0;
  bottom: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(255, 255, 255, 0.6);
  z-index: 2;
}

.main-grid {
  display: grid;
}

/* MAIN-STEPS  */

.steps-heading {
  font-size: 20pt;
  font-weight: bold;
  margin-top: 12px;
  margin-bottom: 24px;
}

.main-steps ol {
  margin: 0;
  margin-left: 0;
  padding: 0;
  list-style-type: none;
}

.main-steps li {
  counter-increment: step-counter;
  display: flex;
  align-items: center;
  margin-bottom: 14px;
  font-size: 14pt;
}

.main-steps li::before {
  content: counter(step-counter) ". ";
  margin-right: 10px;
}

.how-to-title {
  font-weight: bold;
  margin-bottom: 22px;
}

.how-to-list {
  padding-left: 20px;
}

.how-to-list li {
  list-style-type: decimal;
  font-size: 20px;
  margin-bottom: 14px;
}

.input-error {
  margin-top: 6px;
  color: red;
  font-size: 14px;
}

/* MAIN-FORM  */

.main-form {
  overflow: hidden;
}

.main-form .form-row {
  margin: 0;
}

.main-form input[type="file"] {
  height: 100%;
  width: 100%;
  opacity: 0;
  cursor: pointer;
  position: absolute;
}

.main-form form {
  margin: 30px auto;
  display: grid;
  row-gap: 15px;
  grid-template-columns: 1fr;
}

.range-box {
  padding: 8px 20px;
  border: 1px solid var(--input-text-border);
  padding-left: 24px;
  outline: none;
  border-radius: 10px;
  font-size: 17px;
  transition: all 0.3s;
}

.range-box:focus:not(:disabled) {
  border-color: var(--input-text-border-hover);
  outline: none;
  box-shadow: none;
  transition: none;
}

.main-form .form-group {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.main-form form label {
  padding: 6px;
  font-weight: 600;
  display: block;
}

.main-form form .form-control,
.main-form form .form-control-range {
  border: 1px solid var(--input-text-border);
  border-radius: 3px;
  padding: 10px 12px;
  display: block;
  width: 100%;
  font-size: 14pt;
}

.main-form select.form-control {
  padding-top: 0;
  padding-bottom: 0;
}

/* BUTTONS */

.main-form form input[type="submit"],
.main-form button[type="button"] {
  margin-top: 10px;
  justify-self: center;
  border: 0;
  font-size: 16pt;
  padding: 10px 40px;
  border-radius: 10px;
  color: var(--button-text);
  background: var(--button-bg);
}

.input-btn {
  color: var(--button-text);
  background: var(--button-bg);
  border-radius: 10px;
  border: none;
  outline: none;
}

.main-form form input[type="submit"]:hover,
.main-form button[type="button"]:hover,
.input-btn:hover {
  color: var(--button-text-hover);
  background: var(--button-bg-hover);
}

/* Larger than desktop */
@media (min-width: 1000px) {
  .main-grid {
    grid-template-columns: 1fr 1fr;
    gap: 50px;
  }
}