/* BASE CSS */
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;
}

article,
aside,
details,
figcaption,
figure,
footer,
header,
hgroup,
menu,
nav,
section {
  display: block;
}
body {
  line-height: 1;
}
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;
}

img,
iframe {
  vertical-align: bottom;
  max-width: 100%;
}

input,
textarea,
select {
  font: inherit;
}

* {
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}
/* END BASE CSS */

/* font-face */
@font-face {
  font-family: Mohave;
  src: url(assets/mohave-light.woff2), url(assets/mohave-light.woff);
}
@font-face {
  font-family: Mohave;
  font-weight: 700;
  src: url(assets/mohave-bold.woff2), url(assets/mohave-bold.woff);
}
@import url("https://fonts.googleapis.com/css2?family=Roboto+Mono&display=swap");

/* css variables */
:root {
  --background: #f6f1ea;
  --text-color: #1a1a1a;
}

body {
  font-family: Mohave;
  font-size: 1rem;
  line-height: 1.2;
  background-color: var(--background);
  color: var(--text-color);
  margin: 160px auto 80px auto;
  max-width: 800px;
}

header {
  position: fixed;
  top: 0;
  left: 0;
  padding: 40px 50px;
  width: 100vw;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.title {
  transition: all 0.5s ease;
}

.hidden {
  transform: translateY(-500px);
}

h1 {
  font-size: 1.8rem;
  font-weight: 700;
  max-width: 25%;
  background-image: url(assets/temp.svg);
  background-repeat: no-repeat;
  background-position: 0 50%;
  padding-left: 2em;
}

select {
  border: 2px solid var(--text-color);
  background: none;
  font-weight: 700;
  width: auto;
  height: 2.7em;
  z-index: 3;
}

svg {
  margin-top: 7em;
}
text {
  fill: var(--text-color);
  text-anchor: end;
}
text.city {
  font-size: 32px;
}
text.temp {
  text-anchor: middle;
  dominant-baseline: middle;
  font-size: 18px;
  font-weight: 700;
  opacity: 0;
  transition: opacity 0.5s;
}

circle {
  fill: var(--text-color);
  opacity: 0;
  transition: opacity 0.5s;
}

path {
  stroke: var(--text-color);
  fill: none;
  transition: opacity 0.5s;
  /* opacity: 0; */
  /* stroke-width: 1px; */
}

g.data-point:hover circle,
text.temp {
  opacity: 1;
}
g.data-point:hover path {
  opacity: 0;
}

@media (max-width: 400px) {
  header {
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
  }
}
@media (max-width: 900px) {
  select {
    z-index: 3;
  }
  /* reduce data viz size */
  svg {
    transform: scale(0.8);
  }
}