: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;
  --cantarell: "Cantarell", sans-serif;
  /* Temporary hacks. Waiting for 
     https://gitlab.gnome.org/Infrastructure/static-web/-/merge_requests/29    */
  --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;
  --slickease: cubic-bezier(.17,.89,.32,1.28);
  --tile-bg: var(--light1);
  --tile-mid: #ddd;
  --osdfgcolor: var(--light1);
  --osdbgcolor: rgba(0, 0, 0, 0.3);
  font-feature-settings: 'liga' 1, 'calt' 1, 'cv05' 1; /* Inter features */
}

@media (prefers-color-scheme: dark) {
  :root {
    --fg-color: #eee;
    --bg-color: #111;
    --btn-fg: var(--btn-fg-dark);
    --btn-bg: var(--btn-bg-dark);
    --tile-bg: var(--dark5);
    --tile-mid: var(--dark3);
  }
}

@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(--blue5);
  cursor: pointer;
  font-variation-settings: "wght" 600; /* needed for webkit */
}

a:hover {
  text-decoration: underline;
}

a.external:after {
  display: inline-block;
  margin-left: 3px;
  content: url('img/extlink.svg');
}

a.external:has(img,svg):after,
a.external:after { content: none; }

code {
	background-color: #ddd;
	border-radius: 6px;
	border: 6px solid #ddd;
	padding: 0 2px;
}
.code-block {
	display: block;
	padding: 1rem 1.3rem;
}

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; */
    }
  }
  
}

.workspaces {
  margin: 2rem 0 0;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr;
  justify-items: center;
  align-items: center;

  & picture {
    display: block;
    overflow: hidden;

    & img {
      display: block;
      grid-column: full;
      max-height: 500px;
      max-width: 180vw;
      object-fit: cover;
    }

  }

  & + .container {
    margin: 0 0 2rem;

    & 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;
  }
}
.btn.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(--gnomeblue);
    color: var(--light1);
    box-shadow: 0 0 0 0 var(--gnomeblue);
    transition: box-shadow 200ms var(--slickease);
  }
  .btn.suggested:hover {
    background-color: var(--blue3);
    box-shadow: 0 0 0 2px var(--blue3);
  }
  .btn.suggested:active {
    background-color: var(--blue2);
  }
  
  .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: 2rem 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 { grid-column: 5/-1; overflow: hidden; }
.right-text { grid-column: 4/7; align-self: center; }
.left-img { 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: linear-gradient(to top, #ccdef9aa, #fff0), url(img/tris-l.svg) bottom left no-repeat, linear-gradient(to top, #ccdef9, #fff0);
  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;
  }
  
  & .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(--blue3);
      border: 2px solid var(--blue3);
      box-shadow: 0 0 0 0 var(--blue3);
    
      &:hover { box-shadow: 0 0 0 3px var(--blue3); }
    }
  }
}

.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: 800px) {
  .hero section.header {
    flex-direction: column;
  }
  .hero section.header .nav {
    justify-content: center;
    
    & .btn {
      box-shadow: none;
    }
  }
}

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

.hero .punchline {
  grid-area: heading;
  margin-bottom: 3rem;
}

  #logo {
    font-weight: 900;
    font-size: 1.4rem;
    
    & svg {
      fill: currentColor;
      height: 4ex;
    }

    & 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;
    margin-bottom: 1rem;
  }
  ul.nav a {
    display: flex;
    align-items: center;
    min-height: 40px;
    padding: 0.3rem 1rem;
    text-decoration: none;
    font-weight: 500;
    color: #000;
    border-radius: var(--btnround);
    transition: box-shadow 300ms ease-out;
    margin: 0rem 0.1rem; 

    &:hover {
      background-color: rgba(0,0,0, 0.05);
    }
        
    &.external:after { content: url('img/extlink-d.svg'); filter: invert(1); }

    &.active {
      background-color: rgba(0,0,0, 0.1);
      
      &:hover { cursor: default; }
    }
  }
  
  ul.nav a svg {
    height: 22px;
    width: 22px;
  }
  
  ul.nav a svg path {
    fill: var(--fg-color);
  }

  ul.nav p {
    display: inline-block;
    padding: 0.3rem 1rem;
    margin: 0;
  }
  
  #subtitle {
      margin: 2rem 1rem 1rem 1rem;
      text-align: center;
      font-weight: 800;
      font-size: 1.3rem;
      max-width: 24ch;
      margin: 1rem auto;
  }
  
  @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: linear-gradient(to top, #433583dd, #5494e000), url(img/tris-d.svg) bottom left no-repeat, linear-gradient(to top, #433583, #5494e0);
    background-size: 1024px;
    
    &.compact {
      background: var(--purple5) url(img/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);
    }
    &.external:after { filter: invert(0); }
    &.active {
      background-color: rgba(255,255,255, 0.2);
    }
  }
  #logo a { color: var(--light1); }
}

#nav-donate {  
   margin: 0rem 0.2rem;
   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;


  /* campaign banners */
  &.campaign {
    background-color: var(--purple3); /* fallback when not provided inline */
    padding: 1rem;
    display: flex;
    justify-content: center; /* Center the icon + text link */

    &>a {
      font-weight: 300;
      font-variation-settings: "wght" 300;
      text-align: left;
      display: flex;
      flex-direction: row;
      gap: 1rem;
      justify-content: space-between;
      align-items: center;
      max-width: 800px;

      & strong {
        font-weight: 500;
        font-variation-settings: "wght" 500;
      }

      &.external:after { content: none; }
    }
  }
  & a {
    color: #fff;
  }
  & a.external:after { content: url('img/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).external: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 section */
#donate {
  background: radial-gradient(at left top, #1a5fb4, #9141ac);
}

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

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

.container .tiles {
  display: grid;
  grid-template-columns: repeat(2,1fr);
  gap: 1rem;
  margin: 0.5rem 0 3rem;
}

  .tile {
    grid-column: auto;
    display: grid;
    text-decoration: none;
    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;

    & * { grid-column: auto; }
    & h4 {

      margin: 0;
      font-size: 1.2rem;
    }
    & img {
      height: 300px;
      object-fit: cover;
      object-position: bottom center;
      z-index: 0;
      overflow: hidden;
      border-radius: 12px;
      width: 100%;
    }
    & p {
      overflow: visible;
      margin-top: 0.5em;
    }
    & a {
      justify-self: start;
      width: 100%;
    }

    &#devs {
      grid-column: span 2;
      background-color: var(--dark3);
      color: var(--light1);
      border-radius: 24px;
      overflow: hidden;
      padding: 0;
      gap: 0;

      & p { opacity: 0.7; }
      &>img {
        padding: 0;
        border-radius: 0;
      }
      & .btn {
        width: unset;
        font-size: 80%;
        border-radius: var(--btnsqr);
      }
      &>* {
        padding: var(--grid-gap);
      }
    }
  }

@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;
    }
  }
}

/* Community */
#commbuttons {
  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);
  }

/* donation form */
.container .donations {
  position: relative;

  &>div { /* placeholder for iframe */
    width: 100%;
    text-align: center;
    font-size: 120%;
    font-weight: bold;
    position: absolute;
    top: 40%;
  }
}

@media (min-width: 750px) {
  .container .donations {

    grid-column: 4/7;
    align-self: center;

    &:first-child {
      grid-column: 2/4;
    }
  }
}


.commitchange-iframe-embedded {
  border: 0;
  position: static;
  margin: 0; padding: 0;
  height: auto;
  min-height: 550px;
  width: 100%;
  opacity: 1;
  overflow: visible;
}



/* 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 {
    font-size: 70%;
  }
}


footer a.external:after,
ul.nav a.external: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;
  }
  
  ul.bottomlinks li a {
    font-weight: 400;
    text-decoration: underline;
    text-decoration-color: rgba(255,255,255,0);
    transition: all 200ms ease-out;
    break-inside: avoid; /* prevent breaking into a new column */
  }
   
   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); }

/* DIALOG */

dialog {
  max-width: 600px;
  width: auto;
  background: var(--tile-bg);
  border-radius: 9px;
  border: none;
  color: var(--fg-color);
  transition: transform 200ms;
}

dialog:open {
  transform: scale(1);
}

@starting-style {
  dialog:open {
    transform: scale(0.5);
  }
}

dialog::backdrop {
  background-color: rgba(100, 100, 100, 0.5);
  backdrop-filter: blur(10px);
}

dialog header {
  display: flex;
  align-items: center;
}

dialog header h3 {
  margin: 0;
}

dialog form {
  display: contents;
}

dialog button.close {
  all: revert;
  margin-inline-start: auto;
  border-radius: 99px;
  border: none;
  color: var(--tile-bg);
  background-color: var(--fg-color);
  padding: 4px 16px;
}

dialog button.close:hover {
  opacity: 0.8;
}

dialog ul {
  columns: 10em auto;
  list-style: none;
}

dialog li {
  padding: .3em 1em;
}

dialog a {
  text-decoration: underline;
  color: var(--fg-color);
}