/*! normalize.css v8.0.1 | MIT License | github.com/necolas/normalize.css */
/* Document
   ========================================================================== */
/**
 * 1. Correct the line height in all browsers.
 * 2. Prevent adjustments of font size after orientation changes in iOS.
 */
html {
  line-height: 1; /* 1 */
  -webkit-text-size-adjust: 100%; /* 2 */
}

/* Sections
   ========================================================================== */
/**
 * Remove the margin in all browsers.
 */
body {
  margin: 0;
}

/**
 * Render the `main` element consistently in IE.
 */
main {
  display: block;
}

/**
 * Correct the font size and margin on `h1` elements within `section` and
 * `article` contexts in Chrome, Firefox, and Safari.
 */
h1 {
  font-size: 2em;
  margin: 0.67em 0;
}

/* Grouping content
   ========================================================================== */
/**
 * 1. Add the correct box sizing in Firefox.
 * 2. Show the overflow in Edge and IE.
 */
hr {
  box-sizing: content-box; /* 1 */
  height: 0; /* 1 */
  overflow: visible; /* 2 */
}

/**
 * 1. Correct the inheritance and scaling of font size in all browsers.
 * 2. Correct the odd `em` font sizing in all browsers.
 */
pre {
  font-family: monospace, monospace; /* 1 */
  font-size: 1em; /* 2 */
}

/* Text-level semantics
   ========================================================================== */
/**
 * Remove the gray background on active links in IE 10.
 */
a {
  background-color: transparent;
}

/**
 * 1. Remove the bottom border in Chrome 57-
 * 2. Add the correct text decoration in Chrome, Edge, IE, Opera, and Safari.
 */
abbr[title] {
  border-bottom: none; /* 1 */
  text-decoration: underline; /* 2 */
  -webkit-text-decoration: underline dotted;
          text-decoration: underline dotted; /* 2 */
}

/**
 * Add the correct font weight in Chrome, Edge, and Safari.
 */
b,
strong {
  font-weight: bolder;
}

/**
 * 1. Correct the inheritance and scaling of font size in all browsers.
 * 2. Correct the odd `em` font sizing in all browsers.
 */
code,
kbd,
samp {
  font-family: monospace, monospace; /* 1 */
  font-size: 1em; /* 2 */
}

/**
 * Add the correct font size in all browsers.
 */
small {
  font-size: 80%;
}

/**
 * Prevent `sub` and `sup` elements from affecting the line height in
 * all browsers.
 */
sub,
sup {
  font-size: 75%;
  line-height: 0;
  position: relative;
  vertical-align: baseline;
}

sub {
  bottom: -0.25em;
}

sup {
  top: -0.5em;
}

/* Embedded content
   ========================================================================== */
/**
 * Remove the border on images inside links in IE 10.
 */
img {
  border-style: none;
}

/* Forms
   ========================================================================== */
/**
 * 1. Change the font styles in all browsers.
 * 2. Remove the margin in Firefox and Safari.
 */
button,
input,
optgroup,
select,
textarea {
  font-family: inherit; /* 1 */
  font-size: 100%; /* 1 */
  line-height: 1; /* 1 */
  margin: 0; /* 2 */
}

/**
 * Show the overflow in IE.
 * 1. Show the overflow in Edge.
 */
button,
input { /* 1 */
  overflow: visible;
}

/**
 * Remove the inheritance of text transform in Edge, Firefox, and IE.
 * 1. Remove the inheritance of text transform in Firefox.
 */
button,
select { /* 1 */
  text-transform: none;
}

/**
 * Correct the inability to style clickable types in iOS and Safari.
 */
button,
[type=button],
[type=reset],
[type=submit] {
  -webkit-appearance: button;
}

/**
 * Remove the inner border and padding in Firefox.
 */
button::-moz-focus-inner,
[type=button]::-moz-focus-inner,
[type=reset]::-moz-focus-inner,
[type=submit]::-moz-focus-inner {
  border-style: none;
  padding: 0;
}

/**
 * Restore the focus styles unset by the previous rule.
 */
button:-moz-focusring,
[type=button]:-moz-focusring,
[type=reset]:-moz-focusring,
[type=submit]:-moz-focusring {
  outline: 1px dotted ButtonText;
}

/**
 * Correct the padding in Firefox.
 */
fieldset {
  padding: 0.35em 0.75em 0.625em;
}

/**
 * 1. Correct the text wrapping in Edge and IE.
 * 2. Correct the color inheritance from `fieldset` elements in IE.
 * 3. Remove the padding so developers are not caught out when they zero out
 *    `fieldset` elements in all browsers.
 */
legend {
  box-sizing: border-box; /* 1 */
  color: inherit; /* 2 */
  display: table; /* 1 */
  max-width: 100%; /* 1 */
  padding: 0; /* 3 */
  white-space: normal; /* 1 */
}

/**
 * Add the correct vertical alignment in Chrome, Firefox, and Opera.
 */
progress {
  vertical-align: baseline;
}

/**
 * Remove the default vertical scrollbar in IE 10+.
 */
textarea {
  overflow: auto;
}

/**
 * 1. Add the correct box sizing in IE 10.
 * 2. Remove the padding in IE 10.
 */
[type=checkbox],
[type=radio] {
  box-sizing: border-box; /* 1 */
  padding: 0; /* 2 */
}

/**
 * Correct the cursor style of increment and decrement buttons in Chrome.
 */
[type=number]::-webkit-inner-spin-button,
[type=number]::-webkit-outer-spin-button {
  height: auto;
}

/**
 * 1. Correct the odd appearance in Chrome and Safari.
 * 2. Correct the outline style in Safari.
 */
[type=search] {
  -webkit-appearance: textfield; /* 1 */
  outline-offset: -2px; /* 2 */
}

/**
 * Remove the inner padding in Chrome and Safari on macOS.
 */
[type=search]::-webkit-search-decoration {
  -webkit-appearance: none;
}

/**
 * 1. Correct the inability to style clickable types in iOS and Safari.
 * 2. Change font properties to `inherit` in Safari.
 */
::-webkit-file-upload-button {
  -webkit-appearance: button; /* 1 */
  font: inherit; /* 2 */
}

/* Interactive
   ========================================================================== */
/*
 * Add the correct display in Edge, IE 10+, and Firefox.
 */
details {
  display: block;
}

/*
 * Add the correct display in all browsers.
 */
summary {
  display: list-item;
}

/* Misc
   ========================================================================== */
/**
 * Add the correct display in IE 10+.
 */
template {
  display: none;
}

/**
 * Add the correct display in IE 10.
 */
[hidden] {
  display: none;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

* {
  padding: 0;
  margin: 0;
  border: 0;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: inherit;
  font-size: inherit;
}

a {
  color: inherit;
}

a:link,
a:visited {
  text-decoration: none;
}

a:hover {
  text-decoration: none;
}

:focus {
  outline: none;
}

ul li {
  list-style: none;
}

img {
  vertical-align: top;
}

html,
body {
  height: 100%;
  min-width: 320px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, Segoe UI, Roboto, Helvetica Neue, Arial, Noto Sans, sans-serif, Apple Color Emoji, Segoe UI Emoji, Segoe UI Symbol, Noto Color Emoji;
  font-size: 1rem;
  font-weight: 400;
  line-height: 1;
  color: #333333;
  background-color: #ffffff;
  -ms-text-size-adjust: 100%;
  -moz-text-size-adjust: 100%;
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
}

img {
  max-width: 100%;
  height: auto;
}

.wrapper {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  overflow: hidden;
  background: #ffffff;
}
.wrapper > main {
  flex: 1 1 auto;
}

.container {
  box-sizing: content-box;
  max-width: 800px;
  padding: 50px 15px;
  margin: 0 auto;
}

.calculator__title {
  font-size: 1.5rem;
  margin-top: 0.5rem;
  margin-bottom: 1rem;
  font-weight: 500;
  line-height: 1.2;
  text-align: center;
}
.calculator__service {
  margin-bottom: 20px;
}
.calculator__results {
  margin-bottom: 20px;
}
.calculator__parameters {
  margin-bottom: 20px;
}
.calculator__source {
  margin-bottom: 22px;
}
.calculator__button {
  display: flex;
  justify-content: center;
}
.calculator__submit {
  padding: 10px;
  border-width: 1px;
  border-style: solid;
  border-radius: 5px;
  color: #ffffff;
  background-color: #0d6efd;
  border-color: #0d6efd;
}
.calculator__submit:hover {
  background-color: #0b5ed7;
  border-color: #0a58ca;
}
.calculator__submit:active {
  background-color: #0a58ca;
  border-color: #0a53be;
}

.service-calculator__fieldset {
  display: flex;
  flex-direction: column;
  padding: 0px 22px 20px;
  border-width: 1px;
  border-style: solid;
  border-radius: 10px;
  border-color: #aaaaaa;
}
.service-calculator__legend {
  margin-bottom: 15px;
  padding-left: 5px;
  padding-right: 5px;
  color: #333333;
  font-weight: 400;
}
.service-calculator__radio {
  display: flex;
  align-items: center;
}
.service-calculator__radio:not(:last-child) {
  margin-bottom: 15px;
}
.service-calculator__input {
  margin-right: 10px;
}
.service-calculator__label {
  padding-bottom: 0.125rem;
}

.results-calculator__fieldset {
  display: flex;
  flex-direction: column;
  padding: 0px 20px 20px;
  border-width: 1px;
  border-style: solid;
  border-radius: 10px;
  border-color: #aaaaaa;
}
.results-calculator__legend {
  margin-bottom: 15px;
  padding-left: 5px;
  padding-right: 5px;
  color: #333333;
  font-weight: 400;
}
.results-calculator__results {
  display: flex;
  -moz-column-gap: 15px;
       column-gap: 15px;
}
.results-calculator__result {
  display: flex;
  flex-direction: column;
  row-gap: 15px;
  align-items: center;
  flex: 1 1 33.333%;
}
.results-calculator__title {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 65px;
}
.results-calculator__name {
  text-align: center;
  line-height: 1.35;
}
.results-calculator__result:first-child .results-calculator__name {
  max-width: 75%;
}
.results-calculator__circle {
  display: flex;
  justify-content: center;
  align-items: center;
  margin: auto 0;
  border-width: 1px;
  border-style: solid;
  border-color: #aaaaaa;
}
.results-calculator__circle--circle-1 {
  width: 100px;
  height: 100px;
  border-radius: 50px;
}
.results-calculator__circle--circle-2 {
  width: 80px;
  height: 80px;
  border-radius: 40px;
}
.results-calculator__circle--circle-3 {
  width: 60px;
  height: 60px;
  border-radius: 30px;
}
.results-calculator__value {
  margin-right: 5px;
  color: #0075ff;
}
.results-calculator__unit {
  color: #0075ff;
}

.parameters-calculator__fieldset {
  display: flex;
  flex-direction: column;
  padding: 0px 20px 20px;
  border-width: 1px;
  border-style: solid;
  border-radius: 10px;
  border-color: #aaaaaa;
}
.parameters-calculator__legend {
  margin-bottom: 15px;
  padding-left: 5px;
  padding-right: 5px;
  color: #333333;
  font-weight: 400;
}
.parameters-calculator__parameter {
  display: flex;
  align-items: center;
}
.parameters-calculator__parameter:not(:last-child) {
  margin-bottom: 15px;
}
.parameters-calculator__name {
  margin-right: 4px;
}
.parameters-calculator__value {
  margin-right: 4px;
  color: #0075ff;
}
.parameters-calculator__unit {
  color: #0075ff;
}

.source-calculator__fieldset {
  display: flex;
  flex-direction: column;
  padding: 0px 20px 20px;
  border-width: 1px;
  border-style: solid;
  border-radius: 10px;
  border-color: #aaaaaa;
}
.source-calculator__legend {
  margin-bottom: 15px;
  padding-left: 5px;
  padding-right: 5px;
  color: #333333;
  font-weight: 400;
}
.source-calculator__sliders {
  display: flex;
  flex-direction: column;
}
.source-calculator__slider {
  display: flex;
  flex-direction: column;
}
.source-calculator__slider:not(:last-child) {
  margin-bottom: 15px;
}
.source-calculator__parameter {
  display: flex;
  align-items: center;
  margin-bottom: 10px;
}
.source-calculator__name {
  margin-right: 4px;
}
.source-calculator__value {
  margin-right: 4px;
  color: #0075ff;
}
.source-calculator__unit {
  color: #0075ff;
}

.feedback__modal {
  position: fixed;
  top: 0px;
  left: 0px;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 5;
  display: none;
}
.feedback__form {
  position: absolute;
  top: 120px;
  left: calc(50% - 175px);
  width: 350px;
  padding: 0px 20px 20px;
  background: #ffffff;
  border-width: 1px;
  border-style: solid;
  border-radius: 10px;
  border-color: #aaaaaa;
  box-shadow: 0px 0px 5px 0px rgba(0, 0, 0, 0.5);
}
.feedback__wrapper {
  display: flex;
  flex-direction: column;
}
.feedback__title {
  font-size: 1.3rem;
  margin-top: 1rem;
  margin-bottom: 1.1rem;
  font-weight: 500;
  line-height: 1.2;
  text-align: center;
}
.feedback__section {
  display: flex;
  flex-direction: column;
  margin-bottom: 15px;
}
.feedback__label {
  margin-bottom: 10px;
}
.feedback__input {
  padding: 5px 10px;
  border-width: 1px;
  border-style: solid;
  border-radius: 5px;
  border-color: #aaaaaa;
}
.feedback__button {
  display: flex;
  justify-content: center;
  margin-top: 5px;
}
.feedback__submit {
  padding: 10px;
  border-width: 1px;
  border-style: solid;
  border-radius: 5px;
  color: #ffffff;
  background-color: #0d6efd;
  border-color: #0d6efd;
}
.feedback__submit:hover {
  background-color: #0b5ed7;
  border-color: #0a58ca;
}
.feedback__submit:active {
  background-color: #0a58ca;
  border-color: #0a53be;
}