/* http://meyerweb.com/eric/tools/css/reset/ 
   v2.0 | 20110126
   License: none (public domain)
*/

html,
body,
div,
span,
applet,
object,
iframe,
h1,
h2,
h3,
h4,
h5,
h6,
p,
blockquote,
pre,
a,
abbr,
acronym,
address,
big,
cite,
code,
del,
dfn,
em,
img,
ins,
kbd,
q,
s,
samp,
small,
strike,
strong,
sub,
sup,
tt,
var,
b,
u,
i,
center,
dl,
dt,
dd,
ol,
ul,
li,
fieldset,
form,
label,
legend,
table,
caption,
tbody,
tfoot,
thead,
tr,
th,
td,
article,
aside,
canvas,
details,
embed,
figure,
figcaption,
footer,
header,
hgroup,
menu,
nav,
output,
ruby,
section,
summary,
time,
mark,
audio,
video {
  margin: 0;
  padding: 0;
  border: 0;
  font-size: 100%;
  font: inherit;
  vertical-align: baseline;
}

/* HTML5 display-role reset for older browsers */
article,
aside,
details,
figcaption,
figure,
footer,
header,
hgroup,
menu,
nav,
section {
  display: block;
}

ol,
ul {
  list-style: none;
}

blockquote,
q {
  quotes: none;
}

blockquote:before,
blockquote:after,
q:before,
q:after {
  content: "";
  content: none;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}

/******************
     THEME 
*******************/
:root {
  /*=============== 
        COLORS 
    =================*/
  /* Primary colors */
  --p-20: hsl(213, 100%, 98%);
  --p-50: hsl(215, 100%, 97%);
  --p-100: hsl(215, 100%, 94%);
  --p-200: hsl(216, 93%, 89%);
  --p-300: hsl(219, 91%, 82%);
  --p-400: hsl(224, 86%, 74%);
  --p-450: hsl(198, 81%, 63%);
  --p-500: hsl(228, 81%, 63%);
  --p-500-code: 228, 81%, 63%;
  --p-600: hsl(233, 73%, 59%);
  --p-600-code: 233, 73%, 59%;
  --p-700: hsl(234, 56%, 51%);
  --p-700-code: 234, 56%, 51%;
  --p-800: hsl(233, 53%, 41%);
  --p-900: hsl(231, 46%, 34%);
  --p-900-code: 231, 46%, 34%;
  --p-950: hsl(233, 45%, 20%);
  --p-950-code: 233, 45%, 20%;

  /* Neutrals */
  --n-50: hsl(210, 14%, 97%);
  --n-500: hsl(215, 16%, 47%);
  --n-600: hsl(215, 16%, 35%);
  --foreground-color: hsl(0, 0%, 100%);
  /* background color */

  /* Gradients */
  --main-gradient-color: linear-gradient(to right, var(--p-450), var(--p-500));
  --gradient-color: linear-gradient(var(--foreground-color) 10%, var(--p-100));

  /*================================= 
        FONTS -  Sử dụng Scale 1.125
    =================================*/
  /* 32px */
  --h1-font-size: 2rem;
  /* 36px */
  --h1-line-height: 2.25rem;

  /* 26px */
  --h2-font-size: 1.6rem;
  /* 32px */
  --h2-line-height: 2rem;

  /* 20px */
  --h3-font-size: 1.266rem;
  /* 24px */
  --h3-line-height: 1.5rem;

  /* 18px */
  --h4-font-size: 1.125rem;
  /* 16px */
  --h4-line-height: 1.5rem;

  /* 16px */
  --p-font-size: 1rem;
  /* 24px */
  --p-line-height: 1.5rem;

  --p-letter-spacing: 0.025rem;

  /* 12px */
  --caption-font-size: 0.875rem;
  /* 16px */
  --caption-line-height: 1rem;
}