/* FONTS */
/* Inter from static.gnome.org grabbed from HTML */

:root {
  --rounded-corner: 12px;
  --gnomeblue: #4a86cf;
  --blue1: rgb(153, 193, 241);
  --blue2: rgb(98, 160, 234);
  --blue3: rgb(53, 132, 228);
  --blue4: rgb(28, 113, 216);
  --blue5: rgb(26, 95, 180);
  --green1: rgb(143, 240, 164);
  --green2: rgb(87, 227, 137);
  --green3: rgb(51, 209, 122);
  --green4: rgb(46, 194, 126);
  --green5: rgb(38, 162, 105);
  --yellow1: rgb(249, 240, 107);
  --yellow2: rgb(248, 228, 92);
  --yellow3: rgb(246, 211, 45);
  --yellow4: rgb(245, 194, 17);
  --yellow5: rgb(229, 165, 10);
  --orange1: rgb(255, 190, 111);
  --orange2: rgb(255, 163, 72);
  --orange3: rgb(255, 120, 0);
  --orange4: rgb(230, 97, 0);
  --orange5: rgb(198, 70, 0);
  --red1: rgb(246, 97, 81);
  --red2: rgb(237, 51, 59);
  --red3: rgb(224, 27, 36);
  --red4: rgb(192, 28, 40);
  --red5: rgb(165, 29, 45);
  --purple1: rgb(220, 138, 221);
  --purple2: rgb(192, 97, 203);
  --purple3: rgb(145, 65, 172);
  --purple4: rgb(129, 61, 156);
  --purple5: rgb(97, 53, 131);
  --brown1: rgb(205, 171, 143);
  --brown2: rgb(181, 131, 90);
  --brown3: rgb(152, 106, 68);
  --brown4: rgb(134, 94, 60);
  --brown5: rgb(99, 69, 44);
  --light1: rgb(255, 255, 255);
  --light2: rgb(246, 245, 244);
  --light3: rgb(222, 221, 218);
  --light4: rgb(192, 191, 188);
  --light5: rgb(154, 153, 150);
  --dark1: rgb(119, 118, 123);
  --dark2: rgb(94, 92, 100);
  --dark3: rgb(61, 56, 70);
  --dark4: rgb(36, 31, 49);
  --dark5: rgb(0, 0, 0);
  --text: #f6f5f4;
  --pill: 64px;
  --inter: InterVariable, "Inter Variable", Inter, sans-serif;
  --pagewidth: 50rem;
  --grid-gap: 3rem;
  --pagegridwidth: calc(var(--pagewidth) +  (6 * var(--grid-gap)));
  --btnround: 500px;
  --btn-fg: #000;
  --btn-bg: rgba(0,0,0,0.1);
  --fg-color: #000;
  --btn-fg-dark: #fff;
  --btn-bg-dark: rgba(255,255,255,0.12);
  --btnsqr: 0.8rem;
  --bg-color: #eee;
  --narrowwidth: 60%;
  --defaultsize: 18px;
  --defaultrds: 12px;
  --slickease: cubic-bezier(.17,.89,.32,1.28);
  --tile-bg: var(--blue1);
  --tile-mid: #ddd;
  --osdfgcolor: var(--light1);
  --osdbgcolor: rgba(0, 0, 0, 0.6);
  --imgopacity: 1;
  font-feature-settings: 'liga' 1, 'calt' 1, 'cv05' 1; /* Inter features */
}

@media (prefers-color-scheme: dark) {
  :root {
    --fg-color: #eee;
    --bg-color: #222;
    --btn-fg: var(--btn-fg-dark);
    --btn-bg: var(--btn-bg-dark);
    --tile-bg: var(--blue3);
    --tile-mid: var(--dark3);
    --imgopacity: 0.8;
  }
}

@media only screen and (max-width: 600px) {
  :root {
    --narrowwidth: 100%;
    --grid-gap: 1rem;
  }
}

* {
  -moz-box-sizing: border-box;
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  font-size: var(--defaultsize);
  font-family: var(--inter);
  font-style: normal;
  font-weight: 400;
  line-height: 1.6;
  letter-spacing: -0.01em;
  word-spacing: -0.01em;
  scroll-behavior: smooth;
}

body {
  color: var(--fg-color);
  background-color: var(--bg-color);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

strong {
  font-weight: 600;
}
h1, h2, h3, h4, h5, h6 {
  margin: 3rem 0 1rem;
  font-weight: bold;
  font-weight: 800;
  line-height: 1.25;
}

h2:first-child { margin: 1rem 0 1rem; }

.narrow { max-width: var(--narrowwidth); margin: 1rem auto; }

.caption { max-width: 30ch; margin: 1rem auto; }

/* LINKS */
a {
  font-weight: 600;
  text-decoration: none;
  color: var(--blue3);
  cursor: pointer;
  font-variation-settings: "wght" 600; /* needed for webkit */
}

a:hover {
  text-decoration: underline;
}

/*
a[href^="http"]:has(img,svg):after,
a.btn[href^="http"]:after { content: none; }
 */

code {
  border-radius: var(--defaultrds);
  padding: 0 2px;
  color: var(--osdfgcolor);
  background-color: var(--osdbgcolor);
}

.code-block {
  display: block;
  padding: 1rem 1.3rem;
  overflow: auto;
  white-space: pre;
}

img.oversample {
  max-width: 600px;
}

picture {
  display: block;

  &.bw {
    filter: grayscale(1) contrast(1.2) brightness(1.1);
  }

  &.photo {
    width: 100%;

    & img {
      display: block;
      width: 100%;
      max-height: 500px;
      object-fit: cover;
      border-radius: var(--btnsqr);
      overflow: hidden;
      /* max-width: 800px; */
    }
  }

  & + .container {
    margin: 0 0 1rem;

    & h2 {
      margin: 0;
    }
  }
}



section {  margin: 0; }

kbd {
  font-family: monospace;
  font-size: 70%;
  font-weight: bold;
  padding: 0.2rem 0.4rem;
  margin: 0 0.2em;
  background-color: var(--osdbgcolor);
  color: var(--osdfgcolor);
  border-radius: var(--rounded-corner);
  display: inline-flex;
  gap: .3rem;
  vertical-align: baseline;
  /* white-space: nowrap; */
  flex-direction: columns;
  align-items: center;
  transform: translateY(-0.15em);

  &.super {
    padding: 0.1rem 0.4rem;
    background: linear-gradient(to right, #99c1f1, #8ff0a4);
    color: #000;
    transform: translateY(0.05em);

    & svg {
      width: 12px; height: 12px;
    }
  }
}


/* BUTTONS */
.btn {
  font-weight: 600;
  font-variation-settings: "wght" 600;
  color: var(--btn-fg);
  background-color: var(--btn-bg);
  fill: var(--btn-fg);
  display: inline-block;
  font-size: 100%;
  white-space: nowrap;
  padding: 0.6rem 1.5rem;
  margin: .3rem;
  max-width: 20rem;
  vertical-align: middle;
  text-align: center;
  text-decoration: none;  
  border-radius: var(--btnround);
  box-shadow: 0 0 0 0 var(--btn-bg);
  min-width: 4rem;
  transition: box-shadow 200ms var(--slickease);
  &:hover {
    box-shadow: 0 0 0 2px var(--btn-bg);
    text-decoration: none;
  }

  &.dark {
    color: var(--btn-fg-dark);
    background-color: var(--btn-bg-dark);
    fill: var(--btn-fg-dark);
    &:hover {
      box-shadow: 0 0 0 2px var(--btn-bg-dark);
    }
  }

  &>svg {
    margin-right: 6px;
    vertical-align: middle;
    display: inline-block;
    width: 20px;
    height: 20px;
  }
  &.standalone {
    display: block;
    padding: 0.6rem 2rem;
    margin: 1rem auto;
    max-width: 18ch;
  }
}

p>.btn { margin: .5rem .5rem 0 0; } 

.btn.suggested {
  font-weight: 700;
  font-variation-settings: "wght" 700;
  background-color: var(--blue3);
  color: var(--light1);
  box-shadow: 0 0 0 0 var(--gnomeblue);
  transition: box-shadow 200ms var(--slickease);
  
  &:hover {
    background-color: var(--blue4);
    box-shadow: 0 0 0 2px var(--blue4);
  }
  &:active {
    background-color: var(--blue2);
  }
}

.btn.warning {
  font-weight: 700;
  font-variation-settings: "wght" 700;
  background-color: var(--red3);
  color: var(--light1);
  box-shadow: 0 0 0 0 var(--red3);
  transition: box-shadow 200ms var(--slickease);
  
  &:hover {
    background-color: var(--red4);
    box-shadow: 0 0 0 2px var(--red4);
  }
  &:active {
    background-color: var(--red2);
  }
}

.btn.heavy { background-color: var(--dark4); }
.btn.heavy:hover { box-shadow: 0 0 0 2px var(--dark4); }

.btn.inline {
  font-size: 90%;
  padding: .2rem .9rem;
  display: inline-block;
  vertical-align: baseline;
}

.btn.square {
  border-radius: var(--btnsqr);
}


/* LAYOUT */
.container {
  margin: 1rem 0 0;
  padding: 0;
  flex: 1;
  display: grid;
  gap: 0 var(--grid-gap);
  grid-template-columns:  [full-start] 
                          minmax(0, 1fr) 
                          [main-start] 
                          repeat(5,minmax(1rem,calc(var(--pagewidth)/5)))
                          [main-end]
                          minmax(0, 1fr)
                          [full-end];
}
.container * {  grid-column: main; }
.full {  grid-column: full; text-align: center; }
.left-text { 
  grid-column: 2/5; 
  align-self: center;

  &.top { align-self: start; }
}
.right-img { opacity: var(--imgopacity); grid-column: 5/-1; overflow: hidden; }
.right-text { grid-column: 4/7; align-self: center; }
.left-img { opacity: var(--imgopacity); grid-column: 1/4; overflow: hidden; justify-self: end; }

@media only screen and (max-width: 700px) {
  .left-text { grid-column: main; }
  .right-img { grid-column: main; order: -1; & img { max-width: 100%; }}
  .right-text { grid-column: main; }
  .left-img { grid-column: main; & img { max-width: 100%; }}
}

/* COMPONENTS */
.small-print {
  font-size: 0.9em;
  text-align: center;
  max-width: 26em;
  margin: 1rem auto;
}
.warning {
  font-weight: 600;
  color: #c01c28;
  /* background-color: #c01c2828;
  display: inline-block;
  padding: 2px 6px;
  border-radius: 5px; */
}

.icon-shadow {
  filter: /* Sharp drop shadow */
          drop-shadow(0 0.08rem 0.1rem rgba(0,0,0, 0.35))
          /* Diffuse ambient shadow */
          drop-shadow(0 0.4rem 0.7rem rgba(0,0,0, 0.18));
}

/* ONE-OFF */

.hero {
  flex-shrink: 0;
  color: var(--dark5);
  background: url(tris-l.svg) bottom left no-repeat, linear-gradient(to top, var(--blue3), var(--purple1));
  background-size: 1024px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  margin: 0 0 1rem 0;

  & .title {
    font-weight: 500;
    font-size: 1.4rem;
  }

  & .warning {
    font-size: 80%;
    color: rgba(255,255,255,0.3);
    margin: 1rem 3rem;
  }

  & .btn {
    color: var(--btn-fg);
    background-color: transparent;
    box-shadow: 0 0 0 2px var(--btn-fg);

    &:hover { 
      box-shadow: 0 0 0 4px var(--btn-fg); 
    }

    &.suggested {
      color: var(--light1);
      background-color: var(--blue2);
      border: 2px solid var(--blue2);
      box-shadow: 0 0 0 0 var(--blue2);

      &:hover { box-shadow: 0 0 0 3px var(--blue2); }
    }
  }
}

@media (prefers-color-scheme: dark) {
  .hero svg image.light { display: none; }
  .hero svg image.dark { display: block; }
}
@media (prefers-color-scheme: light) {
  .hero svg image.light { display: block; }
  .hero svg image.dark { display: none; }
}


.hero.compact {
  min-height: 10vh;
  & div {
    width: 100%;
    max-width: var(--pagegridwidth);
  }
  & div > p, & div > h1 { 
    text-align: start; 
    margin: 0 0 1rem 0;
    padding: 0 var(--grid-gap);
  }
}

.hero section.header {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  max-width: var(--pagegridwidth);
  margin: 1rem auto;
  padding: 0 var(--grid-gap);
}

@media only screen and (max-width: 700px) {
  .hero section.header {
    flex-direction: column;
  }
  .hero section.header .nav {
    justify-content: center;
  }
  
  .hero .nav .btn {
    box-shadow: none;
  }
}

.hero canvas, .hero #platform>img, .hero svg {
  object-fit: contain;
  width: 100%;
  max-width: var(--pagewidth);
  margin: 2rem auto 0;
}

.hero .punchline {
  margin-bottom: 3rem;
  width: 100%;
}

#logo {
  font-weight: 900;
  font-size: 1.4rem;

  & a {
    text-decoration: none;
    color: var(--dark5);
    font-weight: inherit;
    font-variation-settings: inherit;
  }
}
section.header ul.nav {
  min-height: 62px;
  margin: 0 0 0 -2em;
  display: flex;
  flex-direction: row;
  justify-content: flex-end;
  flex-wrap: wrap;
  align-items: center;
  max-width: var(--pagewidth);
}

section.header li {
  list-style: none;
}
ul.nav a {
  display: inline-block;
  padding: 0.3rem 1rem;
  text-decoration: none;
  font-weight: 500;
  color: #000;
  border-radius: var(--btnround);
  transition: box-shadow 300ms ease-out;

  &:hover {
    background-color: rgba(0,0,0, 0.05);
  }

  /* &[href^="http"]:after { content: url('extlink-d.svg'); filter: invert(1); } */
}

ul.nav p {
  display: inline-block;
  padding: 0.3rem 1rem;
  margin: 0;
}

#subtitle {
  text-align: center;
  font-weight: 800;
  font-size: 1.3rem;
  max-width: 24ch;
  margin: 1rem auto;
  padding: 0 1rem;
}

@media (min-width: 750px) {
  #subtitle {
    font-size: 1.8rem;
  }
}

#support-us-container {
  margin: 0 1rem;
}


@media (prefers-color-scheme: dark) {
  .hero {
    color: var(--light1);
    background: url(tris-l.svg) bottom left no-repeat, linear-gradient(to top, var(--blue4), var(--purple3));

    &.compact {
      background: var(--purple5) url(tris-d.svg) bottom left no-repeat;
    }
  }
  ul.nav a {
    color: rgba(255,255,255,.9);
    &:hover {
      background-color: rgba(255,255,255, 0.1);
    }
    &[href^="http"]:after { filter: invert(0); }
  }
  #logo a { color: var(--light1); }
}

#nav-donate {  
  margin: 0.5rem 1rem 0.5rem 1rem;
  p& { border: 1px solid transparent;}
}

.core-app-illustration {
  filter: drop-shadow(0 0.08rem 0.1rem rgba(0,0,0, 0.2)) drop-shadow(0 0.4rem 0.7rem rgba(0,0,0, 0.1));
}

.colored-row {
  background-color: var(--blue5);
  color: #f6f5f4;
  padding: 4rem 0;
  text-align: center;
  margin: 2rem 0 3rem 0;

  & a {
    color: #fff;
  }
  /* & a[href^="http"]:after { content: url('extlink-d.svg'); } */
}

@media (prefers-color-scheme: dark) {
  .colored-row {
    background-color: var(--dark4);
  }
}

.colored-row img,
.colored-row canvas
{
  display: block;
  margin: 0 auto;
  max-width: var(--pagewidth);
  width: 100%; height: auto;
}
.colored-row.nogap { margin: 0; }

#download {  
  padding-bottom: 0;

  /* & a:not(.btn)[href^="http"]:after { content: none; } */
}

#threedlid {
  width: 100%;
  height: auto;
  overflow: hidden;
  display: flex;
  align-items: flex-end;

  &>canvas {
    max-width: 80vw;
    aspect-ratio: 900 / 354;
  }
  &>div {
    margin: auto;
  }
  #noscriptmobile {
    display: block;
  }
}

@media only screen and (max-width: 700px) {
  #threedlid > #noscriptmobile { max-width: 100vw; }
}

#donate {
  margin-top: 3rem;
  background: radial-gradient(at left top, #1a5fb4, #9141ac);
}

#workspaces .container {
  margin-bottom: 0;
}

.quote {
  line-height: 2em;
  font-style: italic;
}

.icon-dropshadow{ 
  filter: drop-shadow(0 1px 12px rgba(0,0,0,0.05)) drop-shadow(0 1px 1px rgba(0,0,0,0.2));
}

.container .tiles {
  display: grid;
  grid-template-columns: repeat(2,1fr);
  gap: 0 1rem;
  margin: 0.5rem 0 0;
}

.tile {
  grid-column: auto;
  display: grid;
  text-align: center;
  color: var(--fg-color);
  grid-template-rows: auto 1fr auto; /* fixed description */
  align-content: stretch;
  align-items: start;
  transition: all 300ms var(--slickease);
  gap: 1rem;
  justify-self: center;
  width: 100%;
  color: var(--fg-color);
  font-weight: 400;
  font-variation-settings: "wght" 400; /* needed for webkit */

  & * { grid-column: auto; }
  &:hover { text-decoration: none; }
  & h4 {
    margin: 0;
    font-size: 1.2rem;
    font-weight: 800;
    font-variation-settings: "wght" 800; /* needed for webkit */
  }
  & img {
    height: 100px;
    object-fit: contain;
    object-position: center;
    z-index: 0;
    overflow: hidden;
    width: 100%;
  }
  & p {
    font-size: 80%;
    opacity: 1;
    overflow: visible;
    margin-top: 0.5em;
  }
}

@media only screen and (max-width: 600px) {
  .container .tiles {
    grid-template-columns: 1fr;
  }
  .tile { width: 100%; }
  .tile#devs { 
    grid-column: auto;

    & .btn {
      margin: 6px 0 0;
      display: block;
      max-width: 100%;      
      border-radius: 6px;
    }
  }
}

/* Resources */
#resbuttons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;

  & * {
    grid-column: auto;
  }

  & .btn {
    display: inline-block;
    max-width: unset;
    margin: 0;
  }
}

/* Sponsors */

#supporters {
  text-align: center;
}


.sponsors {
  display: flex;
  gap: 3rem;
  justify-content: center;
  margin: 4rem 0;
  flex-wrap: wrap;
}

.sponsors a {
  display: block;
  max-height: 40px;
  transition: all 300ms ease-out;
}

.sponsors a svg {
  height: 30px;
}

.sponsors a:hover {
  transform: scale(1.1);
}


/* LEGACY DONATIONS */
.commitchange-iframe-embedded {
  border: 0;
  position: static;
  margin: 0; padding: 0;
  height: auto;
  min-height: 450px;
  width: 100%;
  opacity: 1;
}

/* FOOTER */

.container:has(+ footer) { /* last container before footer */
  margin-bottom: 4rem;
}

footer {
  background-color: #1a1622;
  padding: 2rem 0 4rem;
  color: white;
  text-align: center;
  flex-shrink: 0;

  & a {
    text-decoration: none;
    font-weight: 600;
    color: white;
    display: block;
    margin: auto;
  }

  & .copy {

    & svg {
      display: inline-block;
      width: auto; height: 4ex;
      vertical-align: bottom;
      padding-top: 5px; /* nudge the vertical centering to do actual baseline */
    }
  }
}

/* footer a[href^="http"]:after { content: url('/assets/extlink-d.svg'); } */
footer a[href^="http"]:has(svg):after { content: none; }

ul.bottomlinks {
  column-width: 12rem;
  column-gap: 12px;
  line-height: 1.8rem;
  max-width: var(--pagegridwidth);
  margin: 0 auto 4rem;  
}

/* force 2 column on mobile */
@media only screen and (max-width: 600px) {
  ul.bottomlinks {
    font-size: 80%;
    column-count: 2;
    column-width: auto;
  }
}

ul.bottomlinks li {
  display: block;
  list-style: none;
  text-align: left;
  white-space: nowrap;
}

ul.bottomlinks li a {
  font-weight: 400;
  text-decoration: underline;
  text-decoration-color: rgba(255,255,255,0);
  transition: all 200ms ease-out;
}

ul.bottomlinks li a:hover {
  text-decoration-color: rgba(255,255,255,1);
}

a.social {
  width: 32px; height: 32px;
  margin: 0;
}

.socials {
  display: flex;
  flex-direction: row;
  justify-content: flex-start;
  align-items: baseline;
  margin: 48px 6px 0 0;
  gap: 12px;
}
.social { fill: rgba(255,255,255,0.6); transition: all 200ms ease-out; }
.social:hover { fill: rgba(255,255,255,1); }