/* ByteBleeder Christmas: Winter, in bits. Active only under data-christmas="on". */
:root {
  --winter-ease-out: cubic-bezier(0.23, 1, 0.32, 1);
  --winter-press: 160ms;
  --winter-state: 200ms;
}
:root[data-christmas="on"] {
  --bg: #f6f2e9;
  --paper: #fffcf5;
  --ink: #172c23;
  --muted: #4e6356;
  --faint: #647569;
  --accent: #236043;
  --accent-soft: #397857;
  --gold: #976b29;
  --line: #d9dfd2;
  --band-bg: #123b2c;
  --band-ink: #f6f2e9;
  --panel-bg: #103528;
  --panel-ink: #f6f2e9;
  --winter-tile: #2c6b4d;
  --winter-tile-soft: #4b8865;
  --winter-ornament: #b68a3e;
  --winter-red: #a84736;
  --winter-snow: #8c9b87;
  --winter-greeting: #6c4d1c;
  --winter-ice: #4487a9;
  --winter-light-green: #80ad5f;
}
:root[data-christmas="on"][data-theme="dark"] {
  --bg: #0e211b;
  --paper: #142d24;
  --ink: #f2f0e4;
  --muted: #bdcabb;
  --faint: #9aaf9e;
  --accent: #c5ddad;
  --accent-soft: #a2c18d;
  --gold: #d6b775;
  --line: #31473b;
  --band-bg: #18392c;
  --band-ink: #f2f0e4;
  --panel-bg: #173c2d;
  --panel-ink: #f2f0e4;
  --winter-tile: #70a07c;
  --winter-tile-soft: #9fbd92;
  --winter-ornament: #dfc28a;
  --winter-red: #cf806d;
  --winter-snow: #eceddf;
  --winter-greeting: #d6b775;
  --winter-ice: #8bcae9;
  --winter-light-green: #bee49c;
}
@media (prefers-color-scheme: dark) {
  :root[data-christmas="on"]:not([data-theme="light"]) {
  --bg: #0e211b;
  --paper: #142d24;
  --ink: #f2f0e4;
  --muted: #bdcabb;
  --faint: #9aaf9e;
  --accent: #c5ddad;
  --accent-soft: #a2c18d;
  --gold: #d6b775;
  --line: #31473b;
  --band-bg: #18392c;
  --band-ink: #f2f0e4;
  --panel-bg: #173c2d;
  --panel-ink: #f2f0e4;
  --winter-tile: #70a07c;
  --winter-tile-soft: #9fbd92;
  --winter-ornament: #dfc28a;
  --winter-red: #cf806d;
  --winter-snow: #eceddf;
  --winter-greeting: #d6b775;
  --winter-ice: #8bcae9;
  --winter-light-green: #bee49c;
  }
}
:root[data-christmas] { scrollbar-color: var(--accent) var(--bg); }
:root[data-christmas] ::selection { background: var(--accent); color: var(--bg); }
:root[data-christmas] body { transition: background-color var(--winter-state), color var(--winter-state); }
:root[data-christmas] body::before { display: none; }
:root[data-christmas] .spot { display: none; }
:root[data-christmas] .rules { opacity: .32; }
:root[data-christmas] .hero {
  grid-template-columns: 1.18fr .82fr;
  gap: 44px;
  padding: 54px 0 80px;
  min-height: 680px;
}
:root[data-christmas] .hero h1 {
  font-size: clamp(44px, 4.6vw, 66px);
  letter-spacing: -.04em;
  line-height: 1.04;
  margin-bottom: 30px;
}
:root[data-christmas] h1 .line > span { animation: none; transform: none; }
:root[data-christmas] h1 em::after { display: none; }
:root[data-christmas] .hero-copy { font-size: 18px; max-width: 52ch; margin-bottom: 26px; }
:root[data-christmas] .hero .meta { margin-bottom: 26px; gap: 10px 20px; }
:root[data-christmas] .mark-col { align-items: center; justify-items: center; gap: 0; }
:root[data-christmas] .mark-col > .mark-cap,
:root[data-christmas] .mark-col > .logo-scene { display: none; }
.winter-scene { display: none; }
:root[data-christmas] .winter-scene {
  display: grid;
  justify-items: center;
  align-content: center;
  width: 100%;
  position: relative;
  isolation: isolate;
}
.winter-tree { width: min(100%, 420px); height: auto; overflow: visible; }
.winter-tree .tree-tile { fill: var(--winter-tile); }
.winter-tree .tree-tile.soft { fill: var(--winter-tile-soft); }
.winter-tree .tree-tile.gold { fill: var(--winter-ornament); }
.winter-tree .tree-tile.red { fill: var(--winter-red); }
.winter-tree .tree-tile.trunk { fill: var(--winter-ornament); }
.winter-star { fill: var(--winter-ornament); }
.winter-greeting {
  font: 400 15px/1.5 var(--font-sans);
  color: var(--winter-greeting);
  margin: 4px 0 0;
  text-align: center;
}
.winter-scene .winter-signature {
  display: block;
  color: var(--muted);
  font-size: 13px;
  margin-top: 5px;
}
.winter-lamp { opacity: 0; }
.winter-lamp.lamp-warm { fill: var(--winter-ornament); }
.winter-lamp.lamp-red { fill: var(--winter-red); }
.winter-lamp.lamp-ice { fill: var(--winter-ice); }
.winter-lamp.lamp-green { fill: var(--winter-light-green); }
.winter-drop { fill: var(--winter-ornament); opacity: 0; }
/* One slow 12-second scene: coloured lights, a pause, then the studio's drop. */
@keyframes winter-lights {
  0%, 8% { opacity: .04; }
  16% { opacity: 1; }
  25% { opacity: .12; }
  35% { opacity: .95; }
  45% { opacity: .15; }
  55% { opacity: 1; }
  64%, 100% { opacity: 0; }
}
@keyframes winter-droplet {
  0%, 58% { opacity: 0; transform: translateY(-9px); }
  64% { opacity: 1; transform: translateY(0); }
  80% { opacity: 1; transform: translateY(40px); }
  90%, 100% { opacity: 0; transform: translateY(58px); }
}
.winter-weather { display: none; position: fixed; inset: 0; z-index: 3; pointer-events: none; overflow: hidden; }
.weather-particle { position: absolute; top: 0; opacity: 0; pointer-events: none; }
.weather-snow { background: var(--winter-snow); border-radius: 50%; }
.weather-tree { width: 17px; height: 22px; color: var(--winter-tile-soft); }
.weather-ornament { width: 16px; height: 21px; color: var(--winter-ornament); }
.weather-ornament.ornament-red { color: var(--winter-red); }
.weather-particle svg { width: 100%; height: 100%; display: block; }
@keyframes winter-descent {
  0% { opacity: 0; transform: translate3d(0, -44px, 0) rotate(0deg); }
  8% { opacity: .62; }
  88% { opacity: .5; }
  100% { opacity: 0; transform: translate3d(var(--drift), calc(100svh + 64px), 0) rotate(var(--turn)); }
}
@media (prefers-reduced-motion: no-preference) {
  :root[data-christmas] .winter-lamp { animation: winter-lights 12s linear infinite; }
  :root[data-christmas] .winter-drop { animation: winter-droplet 12s linear infinite; }
  :root[data-christmas] .winter-weather { display: block; }
  :root[data-christmas] .weather-particle { animation: winter-descent 20s linear infinite; }
}
.season-btn {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  flex: none;
  border-radius: 50%;
  border: 1px solid var(--ink);
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  transition: transform var(--winter-press) var(--winter-ease-out), background-color var(--winter-state), color var(--winter-state);
}
.season-btn[aria-pressed="true"] { background: var(--accent); color: var(--bg); border-color: var(--accent); }
.season-btn:disabled { opacity: .45; cursor: not-allowed; }
.season-btn:enabled:active { transform: scale(.97); }
.season-btn:focus-visible { outline: 2px solid var(--gold); outline-offset: 4px; }
:root[data-keyboard-change] .season-btn { transition: none; }
:root[data-keyboard-change] .season-btn:active { transform: none; }
@media (hover: hover) and (pointer: fine) {
  .season-btn:enabled:hover { transform: rotate(-8deg); }
  .season-btn:active { transform: scale(.97); }
}
:root[data-christmas] .flag-vis,
:root[data-christmas] .flag.eq .flag-vis:first-child { background: #143c2c; }
:root[data-christmas] .flag { border-radius: 22px; }
:root[data-christmas] .band-track {
  animation: none;
  width: auto;
  justify-content: center;
  flex-wrap: wrap;
  gap: 18px 32px;
  padding-inline: 24px;
  font-size: clamp(17px, 1.8vw, 26px);
}
:root[data-christmas] .band-track span { gap: 20px; }
:root[data-christmas] .band-track span::after { width: 7px; height: 7px; }
:root[data-christmas] .band-track span:nth-child(n+5) { display: none; }
:root[data-christmas] .band-track .o { color: var(--band-ink); -webkit-text-stroke: 0; opacity: .8; }
:root[data-christmas] footer::after {
  content: "Happy Christmas from Dublin.";
  color: var(--gold);
  font-family: var(--font-sans);
  font-size: 14px;
}
:root[data-christmas] .btn { transition: background-color var(--winter-state), transform var(--winter-press) var(--winter-ease-out); }
:root[data-christmas] .btn:active { transform: scale(.97); }
@media (min-width: 761px) and (max-width: 1100px) {
  :root[data-christmas] .nav { gap: 18px; }
  :root[data-christmas] .nav a { font-size: 11px; }
  :root[data-christmas] .nav .btn { padding: 12px 16px; }
}
@media (max-width: 900px) {
  :root[data-christmas] .nav-toggle { display: grid; }
  :root[data-christmas] .topbar .nav {
    display: none;
    position: absolute;
    right: 0;
    top: calc(100% - 8px);
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    min-width: 230px;
    padding: 12px;
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: 18px;
    z-index: 40;
  }
  :root[data-christmas] .topbar .nav.open { display: flex; }
  :root[data-christmas] .topbar .nav a:not(.btn) { padding: 12px 14px; font-size: 14px; }
  :root[data-christmas] .topbar .nav .btn { justify-content: center; margin-top: 6px; }
  :root[data-christmas] .hero { grid-template-columns: 1fr; padding: 18px 0 50px; gap: 22px; min-height: 0; }
  :root[data-christmas] .mark-col { width: 100%; padding: 0; }
  :root[data-christmas] .winter-scene { width: 100%; }
  .winter-tree { width: 225px; height: 250px; }
  .winter-greeting { font-size: 14px; }
  .winter-scene .winter-signature { display: none; }
  :root[data-christmas] .hero h1 { font-size: clamp(33px, 6.9vw, 60px); }
  :root[data-christmas] .hero-copy { font-size: 17px; }
}
@media (max-width: 480px) {
  .winter-weather .weather-particle:nth-child(n+22) { display: none; }
  :root[data-christmas] .wrap { padding-inline: 22px; }
  :root[data-christmas] .topbar { padding-block: 22px; gap: 8px; }
  :root[data-christmas] .tools { gap: 7px; }
  :root[data-christmas] .tools button { width: 38px; height: 38px; }
  :root[data-christmas] .hero { gap: 24px; }
  .winter-tree { width: 180px; height: 200px; }
  .winter-greeting { font-size: 13px; margin-top: 0; }
  :root[data-christmas] .hero .meta { font-size: 9px; letter-spacing: .07em; gap: 7px 12px; margin-bottom: 22px; }
  :root[data-christmas] .hero h1 { font-size: clamp(30px, 7.8vw, 38px); line-height: 1.08; margin-bottom: 22px; }
  :root[data-christmas] .hero-copy { font-size: 16px; line-height: 1.55; margin-bottom: 22px; }
  :root[data-christmas] .hero-copy[style] { font-size: 15px !important; margin-top: 0 !important; }
  :root[data-christmas] .cta { gap: 10px; }
  :root[data-christmas] .cta .btn { padding: 13px 18px; font-size: 12px; }
}
@media (prefers-reduced-motion: reduce) {
  .winter-weather { display: none; }
  .winter-drop { opacity: 1; transform: none; }
  .season-btn, .season-btn:enabled:hover, .season-btn:active { transform: none; transition: background-color 160ms, color 160ms; }
  :root[data-christmas] .btn, :root[data-christmas] .btn:active { transform: none; }
}