/*
 * Copyright 2020 Adobe. All rights reserved.
 * This file is licensed to you under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License. You may obtain a copy
 * of the License at http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software distributed under
 * the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR REPRESENTATIONS
 * OF ANY KIND, either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */

:root {
  /* colors */
  --color-white: #FFF;
  --color-gray-100: #F8F8F8;
  --color-gray-200: #E8E8E8;
  --color-gray-300: #D4D4D4;
  --color-gray-400: #B6B6B6;
  --color-gray-500: #909090;
  --color-gray-600: #686868;
  --color-gray-700: #444;
  --color-gray-800: #242424;
  --color-black: #000;
  --color-brand-title: #000B1D;
  --color-accent: rgb(20, 115, 230);
  --color-accent-hover: rgb(13, 102, 208);
  --color-info-accent: #5C5CE0;
  --color-info-accent-hover: #4646C6;
  --color-info-accent-down: #3D3DB4;
  --color-info-accent-light: #DEDEF9;
  --color-info-adobe-red: #ec1000;
  --link-color: #035fe6;
  --link-hover-color: #136ff6;
  --background-color: #fff;
  --overlay-background-color: #eee;
  --highlight-background-color: #ccc;
  --text-color: #000;

/* fonts */
--body-font-family: 'helvetica neue', helvetica, ubuntu, roboto, noto, sans-serif;
--heading-font-family: var(--body-font-family);
--fixed-font-family: 'Roboto Mono', menlo, consolas, 'Liberation Mono', monospace;

/* body sizes */
--body-max-width: 600px;
--body-background-color: var(--color-white);
--body-alt-background-color: var(--color-gray-600);
--body-font-family: 'adobe-clean', 'Trebuchet MS', sans-serif;
--body-font-weight: 300;
--body-color: var(--color-black);
--body-line-height: 1.5;
--body-font-size-xxl: 1.75rem; /* 28px */
--body-font-size-xl: 1.375rem; /* 22px */
--body-font-size-l: 1.25rem; /* 20px */
--body-font-size-m: 1.125rem; /* 18px */
--body-font-size-s: 1rem; /* 16px */
--body-font-size-xs: 0.875rem; /* 14px */
--body-font-size-xxs: 0.75rem; /* 12px */

/* heading sizes */
--heading-font-size-xxl: 48px;
--heading-font-size-xl: 40px;
--heading-font-size-l: 32px;
--heading-font-size-m: 24px;
--heading-font-size-s: 20px;
--heading-font-size-xs: 18px;

/* nav height */
--nav-height: 64px;

}

@font-face {
  font-family: roboto-fallback;
  size-adjust: 100.06%;
  ascent-override: 95%;
  src: local('Arial');
}

@media (width >= 900px) {
  :root {
    --heading-font-size-xxl: 60px;
    --heading-font-size-xl: 48px;
    --heading-font-size-l: 36px;
    --heading-font-size-m: 30px;
    --heading-font-size-s: 24px;
    --heading-font-size-xs: 22px;
  }
}

body {
  font-size: var(--body-font-size-m);
  margin: 0;
  font-family: var(--body-font-family);
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--background-color);
  display: none;
}

body.appear {
  display: block;
}


h1, h2, h3,
h4, h5, h6 {
  font-family: var(--heading-font-family);
  font-weight: 600;
  line-height: 1.25;
  margin-top: 1em;
  margin-bottom: .5em;
  scroll-margin: calc(var(--nav-height) + 1em);
}

h1 { font-size: var(--heading-font-size-xxl) }
h2 { font-size: var(--heading-font-size-xl) }
h3 { font-size: var(--heading-font-size-l) }
h4 { font-size: var(--heading-font-size-m) }
h5 { font-size: var(--heading-font-size-s) }
h6 { font-size: var(--heading-font-size-xs) }

p, dl, ol, ul, pre, blockquote {
  margin-top: 1em;
  margin-bottom: 1em;
}

code, pre {
  font-family: var(--fixed-font-family);
  font-size: var(--body-font-size-s);
}

code {
  padding: .125em;
}

pre {
  overflow: scroll;
}

main {
  scroll-snap-type: both mandatory;	
  overflow-x: scroll;
  overflow-y: scroll;
  height: 100vh;
}

main pre {
  background-color: var(--light-color);
  padding: 1em;
  border-radius: .25em;
  overflow-x: auto;
  white-space: pre;
}

/* links */
a:any-link {
  color: var(--link-color);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
  color: var(--link-hover-color);
}

/* buttons */
a.button:any-link, button {
  font-family: var(--body-font-family);
  display: inline-block;
  box-sizing: border-box;
  text-decoration: none;
  border: 2px solid transparent;
  padding: 5px 30px;
  text-align: center;
  font-style: normal;
  font-weight: 600;
  cursor: pointer;
  color: var(--background-color);
  background-color: var(--link-color);
  margin: 16px 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  border-radius: 30px;
}

a.button:hover, a.button:focus, button:hover, button:focus  {
  background-color: var(--link-hover-color);
  cursor: pointer;
}

button:disabled, button:disabled:hover {
  background-color: var(--light-color);
  cursor: unset;
}

a.button.secondary, button.secondary {
  background-color: unset;
  border: 2px solid currentcolor;
  color: var(--text-color)
}

main blockquote p::before {
  content: "“";
  line-height: 0;
}

main blockquote p::after {
  content: "”";
  line-height: 0;
}

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

.icon {
  display: inline-block;
  height: 24px;
  width: 24px;
}

.icon img {
  height: 100%;
  width: 100%;
}

.icon svg {
  height: 100%;
  width: 100%;
}

/* sections */
main .section {
  padding: 64px 16px;
  scroll-snap-align: start;
  min-height: 100vh;
}

main .section:nth-child(1) {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--color-info-adobe-red);
  color: var(--color-white) ;

}

main .section:nth-child(1) > div {
  margin-top: 200px;
  text-align: center;
}

main .section:nth-child(2) {
  background: var(--color-gray-200);
}

main .section:nth-child(4) {
  background: var(--color-info-adobe-red);
  color: var(--color-white) ;
}

@media (width >= 600px) {
  main .section {
    padding: 64px 32px;
  }
}

@media (width >= 900px) {
  .section > div {
    max-width: 1200px;
    margin: auto;
  }
}

/* section metadata */
main .section.light,
main .section.highlight {
  background-color: var(--highlight-background-color);
}

.down-arrow {
  position: relative;
  top: calc(60px);
  left: calc(50% - 14px);
  width: 0;
  height: 30px;
  border: 2px solid;
  border-radius: 2px;

}

.down-arrow:after {
  content: " ";
  position: absolute;
  top: 12px;
  left: -10px;
  width: 16px;
  height: 16px;
  border-bottom: 4px solid;
  border-right: 4px solid;
  border-radius: 4px;
  transform: rotateZ(45deg);
}