/* DesktopCastle: a toy on paper. Sand-coloured paper, rounded heavy type like the app's,
   and blocks lit from above the way the app draws them. */

:root {
  --paper: #f7efdf;
  --paper-deep: #eee2cb;
  --card: #fffaf0;
  --ink: #3a2e22;
  --ink-soft: #7c6b58;
  --line: rgba(58, 46, 34, 0.13);

  /* the app's palette (Theme.swift): every colour is a face and an edge */
  --amber: #ffb53b;
  --amber-edge: #c97d0d;
  --amber-ink: #3a2410;
  --sky: #429ef2;
  --mint: #29c7a1;
  --ember: #ff5c2e;
  --berry: #bd61eb;
  --slate: #737a91;

  /* the wallpaper */
  --wall: #cfe4ea;
  --sun: #ffcf6b;
  --star: transparent;
  --cloud: #fffaf0;
  --dune-far: #ecd6aa;
  --dune-near: #e0c08a;
  --menubar: rgba(255, 250, 240, 0.62);
  --menu: rgba(58, 46, 34, 0.32);
  --menu-strong: rgba(58, 46, 34, 0.62);
  --folder: #74b4ec;
  --folder-back: #5a9ad6;
  --file: #fffaf0;
  --label: #3a2e22;

  /* materials */
  /* materials, written by scripts/textures.py: o outline, h/l lit, b body, d shadow, k/g detail */
  /* textures:palette */
  --st-o: #4a3a30; --st-h: #e3d8c4; --st-l: #c9bca8; --st-b: #aa9c88; --st-d: #82735f; --st-k: #6c5e4d;
  --wd-o: #5b3416; --wd-h: #f2bd6e; --wd-l: #e09a4a; --wd-b: #c97b34; --wd-d: #a35e24; --wd-g: #7a421a;
  --ic-o: #3e6b8f; --ic-h: #ffffff; --ic-l: #d4f1ff; --ic-b: #a6dcf7; --ic-d: #74b6e0;
  /* /textures:palette */
  --block-edge: rgba(58, 46, 34, 0.28);
  --water: rgba(66, 158, 242, 0.62);
  --water-front: rgba(66, 158, 242, 0.42);
  --skin: #f3d6b6;
  --px-o: #3b2414;
  --px-h: #7a4a22;
  --px-p: #4a5578;

  /* dusk */
  --dusk: #2e3550;
  --dusk-ink: #f6ecda;
  --dusk-soft: rgba(246, 236, 218, 0.72);
  --dusk-hill: #4b5a55;
  --dusk-stone: #6a6f86;
  --dusk-wood: #6b5442;
  --lit: #ffd27a;

  --round: ui-rounded, "SF Pro Rounded", "Arial Rounded MT Bold", system-ui, -apple-system, sans-serif;
  --sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI Variable Text", "Segoe UI", "Helvetica Neue", sans-serif;
  --grain-opacity: 0.3;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #1c1813;
    --paper-deep: #251f19;
    --card: #2a231d;
    --ink: #f0e5d4;
    --ink-soft: #b3a28f;
    --line: rgba(240, 229, 212, 0.13);
    --amber: #f5a92e;
    --amber-edge: #a8680a;
    --amber-ink: #2a1a08;

    --wall: #1f2a3d;
    --sun: #f1e3c2;
    --star: #f3e6c8;
    --cloud: #34405a;
    --dune-far: #3d3a3a;
    --dune-near: #4d4335;
    --menubar: rgba(28, 24, 19, 0.6);
    --menu: rgba(240, 229, 212, 0.3);
    --menu-strong: rgba(240, 229, 212, 0.62);
    --folder: #4f86b8;
    --folder-back: #3c6e9c;
    --file: #e9e0d0;
    --label: #f0e5d4;

    --st-o: #2a211b; --st-h: #b2a793; --st-l: #978a77; --st-b: #7d705f; --st-d: #5e5345; --st-k: #4c4237;
    --wd-o: #3a210d; --wd-h: #c08f4f; --wd-l: #ab7536; --wd-b: #955b24; --wd-d: #77441a; --wd-g: #552d10;
    --ic-o: #2a4a66; --ic-h: #e6f6ff; --ic-l: #a9cde6; --ic-b: #80b2d6; --ic-d: #5a8db8;
    --block-edge: rgba(0, 0, 0, 0.35);
    --water: rgba(66, 140, 220, 0.6);
    --water-front: rgba(66, 140, 220, 0.4);
    --skin: #d9b894;
    --px-o: #1e120a;

    --dusk: #262b3d;
    --dusk-hill: #3c4a45;
    --dusk-stone: #555a6e;
    --dusk-wood: #574434;
    --grain-opacity: 0.16;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
/* paper grain over everything */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 50;
  opacity: var(--grain-opacity);
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='220' height='220'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.45  0 0 0 0 0.33  0 0 0 0 0.2  0 0 0 0.55 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) body::after { mix-blend-mode: screen; }
}

.defs { position: absolute; width: 0; height: 0; overflow: hidden; }

a { color: inherit; }
h1, h2 {
  font-family: var(--round);
  font-weight: 800;
  letter-spacing: -0.015em;
  margin: 0;
  text-wrap: balance;
}
p { margin: 0; }
.fine { font-size: 13px; color: var(--ink-soft); }
::selection { background: color-mix(in srgb, var(--amber) 40%, transparent); }

/* ---------- bar ---------- */
.bar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: color-mix(in srgb, var(--paper) 78%, transparent);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
  backdrop-filter: blur(16px) saturate(1.4);
  box-shadow: 0 1px 0 transparent;
  transition: box-shadow 0.3s ease;
}
.bar.scrolled { box-shadow: 0 1px 0 var(--line); }
.bar-in {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1080px;
  margin: 0 auto;
  padding: 12px max(16px, env(safe-area-inset-left)) 12px max(16px, env(safe-area-inset-right));
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  text-decoration: none;
  font-family: var(--round);
  font-weight: 800;
  font-size: 19px;
}
.brand-mark { width: 28px; height: 28px; }

/* ---------- the pressable thing: a face over an edge, like every button in the app ---------- */
.block {
  display: inline-block;
  padding: 13px 28px 12px;
  border-radius: 13px;
  background: var(--amber);
  color: var(--amber-ink);
  text-decoration: none;
  font-family: var(--round);
  font-weight: 800;
  font-size: 19px;
  line-height: 1.3;
  box-shadow: 0 4px 0 var(--amber-edge);
  transition: transform 0.15s cubic-bezier(0.3, 1.6, 0.5, 1), box-shadow 0.15s cubic-bezier(0.3, 1.6, 0.5, 1);
}
.block:active { transform: translateY(3px); box-shadow: 0 1px 0 var(--amber-edge); }
.block:focus-visible { outline: 3px solid var(--amber); outline-offset: 4px; }
/* not ready yet: the same shape, nothing to press */
.block.idle {
  background: var(--paper-deep);
  color: var(--ink-soft);
  box-shadow: inset 0 0 0 1px var(--line), 0 4px 0 var(--line);
  cursor: default;
}

/* ---------- hero ---------- */
.hero {
  text-align: center;
  padding: 72px 16px 8px;
  max-width: 760px;
  margin: 0 auto;
}
.eyebrow {
  font-size: 15px;
  color: var(--ink-soft);
  letter-spacing: 0.04em;
  margin-bottom: 16px;
}
h1 { font-size: clamp(42px, 7.6vw, 78px); line-height: 1.08; }
.lede { margin-top: 20px; font-size: clamp(18px, 2.4vw, 21px); color: var(--ink-soft); text-wrap: balance; }
.cta { margin-top: 34px; display: grid; justify-items: center; gap: 14px; }

/* ---------- the desktop ---------- */
.stage { padding: 52px 16px 0; }
.screen {
  max-width: 1080px;
  height: clamp(400px, 54vw, 600px);
  margin: 0 auto;
  border-radius: 18px;
  overflow: hidden;
  background: var(--wall);
  box-shadow: 0 0 0 1px var(--line), 0 0 0 9px var(--card), 0 0 0 10px var(--line);
}
.desk { display: block; width: 100%; height: 100%; }
.wall { fill: var(--wall); }
.sun { fill: var(--sun); opacity: 0.9; }
.stars circle { fill: var(--star); }
.cloud { fill: var(--cloud); opacity: 0.9; }
.dune.far { fill: var(--dune-far); }
.dune.near { fill: var(--dune-near); }
.menubar { fill: var(--menubar); }
.menu rect { fill: var(--menu); }
.menu rect.strong { fill: var(--menu-strong); }
.menu-castle { fill: var(--menu-strong); }
.folder { fill: var(--folder); }
.folder-back { fill: var(--folder-back); }
.file { fill: var(--file); stroke: var(--block-edge); }
.file-pic { fill: var(--wall); }
.icons text { font-family: var(--sans); font-size: 12px; font-weight: 500; fill: var(--label); text-anchor: middle; }

/* blocks: one pixel texture per material (scripts/textures.py), outlined in the texture itself */
.b.stone { fill: url(#p-stone); }
.b.wood { fill: url(#p-wood); }
.b.ice { fill: url(#p-ice); }
.b.stone.dusk { fill: url(#pn-stone); }
.b.wood.dusk { fill: url(#pn-wood); }
.st-o { fill: var(--st-o); }
.st-h { fill: var(--st-h); }
.st-l { fill: var(--st-l); }
.st-b { fill: var(--st-b); }
.st-d { fill: var(--st-d); }
.st-k { fill: var(--st-k); }
.wd-o { fill: var(--wd-o); }
.wd-h { fill: var(--wd-h); }
.wd-l { fill: var(--wd-l); }
.wd-b { fill: var(--wd-b); }
.wd-d { fill: var(--wd-d); }
.wd-g { fill: var(--wd-g); }
.ic-o { fill: var(--ic-o); }
.ic-h { fill: var(--ic-h); }
.ic-l { fill: var(--ic-l); }
.ic-b { fill: var(--ic-b); }
.ic-d { fill: var(--ic-d); }
.slit { fill: var(--st-o); }
.pole { fill: none; stroke: var(--ink-soft); stroke-width: 3; stroke-linecap: round; }
.flag { fill: var(--ember); }
.water { fill: var(--water); }
.water.front { fill: var(--water-front); }

/* people: pixel sprites; the shirt says who they are */
.px-o { fill: var(--px-o); } .px-h { fill: var(--hair, var(--px-h)); } .px-s { fill: var(--skin); }
.px-e { fill: var(--px-o); } .px-c { fill: var(--shirt, var(--mint)); } .px-p { fill: var(--px-p); }
.person.v1 { --shirt: var(--mint); }
.person.v2 { --shirt: var(--sky); --hair: #e0a23a; }
.person.guard { --shirt: var(--slate); --hair: #9aa0ad; }
.person.v3 { --shirt: var(--ember); --hair: #3a2a1e; }

/* ---------- cards ---------- */
.pages {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  max-width: 1080px;
  margin: 0 auto;
  padding: 104px 16px 32px;
}
.page { text-align: center; }
.card {
  display: block;
  width: 100%;
  height: auto;
  background: var(--card);
  border-radius: 13px;
  box-shadow: 0 0 0 1px var(--line), 0 4px 0 var(--line);
}
.page h2 { font-size: 26px; margin-top: 24px; }
.ground { stroke: var(--line); stroke-width: 2; stroke-linecap: round; }
.slot { fill: none; stroke: var(--ink-soft); stroke-width: 1.5; stroke-dasharray: 5 5; opacity: 0.6; }
.cursor path { fill: #fff; stroke: #1d1d1f; stroke-width: 1.4; stroke-linejoin: round; }
.drip { fill: var(--water); }
.burst { fill: none; stroke: var(--amber); stroke-width: 3; stroke-linecap: round; }

/* ---------- the village at dusk ---------- */
.village { padding: 72px 16px 8px; }
.village-in {
  max-width: 1080px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  align-items: center;
  gap: 56px;
  padding: 56px 64px;
  border-radius: 28px;
  background: var(--dusk);
  color: var(--dusk-ink);
}
.village h2 { font-size: clamp(32px, 4.4vw, 46px); line-height: 1.15; }
.village .lede { margin-top: 16px; color: var(--dusk-soft); max-width: 22em; }
.dusk-scene { width: 100%; height: auto; }
.moon { fill: #f4e7c8; }
.twinkle { fill: #f4e7c8; opacity: 0.8; }
.dusk-scene .hill { fill: var(--dusk-hill); }
.stn-o { fill: color-mix(in srgb, var(--st-o) 55%, var(--dusk)); }
.stn-h { fill: color-mix(in srgb, var(--st-h) 55%, var(--dusk)); }
.stn-l { fill: color-mix(in srgb, var(--st-l) 55%, var(--dusk)); }
.stn-b { fill: color-mix(in srgb, var(--st-b) 55%, var(--dusk)); }
.stn-d { fill: color-mix(in srgb, var(--st-d) 55%, var(--dusk)); }
.stn-k { fill: color-mix(in srgb, var(--st-k) 55%, var(--dusk)); }
.wdn-o { fill: color-mix(in srgb, var(--wd-o) 55%, var(--dusk)); }
.wdn-h { fill: color-mix(in srgb, var(--wd-h) 55%, var(--dusk)); }
.wdn-l { fill: color-mix(in srgb, var(--wd-l) 55%, var(--dusk)); }
.wdn-b { fill: color-mix(in srgb, var(--wd-b) 55%, var(--dusk)); }
.wdn-d { fill: color-mix(in srgb, var(--wd-d) 55%, var(--dusk)); }
.wdn-g { fill: color-mix(in srgb, var(--wd-g) 55%, var(--dusk)); }
.lit { fill: var(--lit); }
.roof { fill: color-mix(in srgb, #c0583a 60%, var(--dusk)); stroke: #1e1410; stroke-width: 2; stroke-linejoin: round; }

/* ---------- foot ---------- */
.foot {
  text-align: center;
  padding: 72px 16px calc(48px + env(safe-area-inset-bottom));
  display: grid;
  justify-items: center;
  gap: 6px;
}
.pennant { width: 40px; height: 28px; margin-bottom: 8px; }
.foot .fine { font-size: 14px; }
.foot a { text-underline-offset: 3px; text-decoration-color: var(--line); }
.foot a:hover { color: var(--ink); }
.dot { margin: 0 10px; }

/* ---------- motion: small and slow, nothing that asks for attention ---------- */
.swell { animation: swell 3.2s linear infinite; }
.swell.slow { animation-duration: 4.6s; animation-direction: reverse; }
.pages .swell { animation-name: swell-small; }
@keyframes swell { to { transform: translateX(-60px); } }
@keyframes swell-small { to { transform: translateX(-40px); } }

.bob { animation: bob 3.4s ease-in-out infinite; transform-box: fill-box; transform-origin: center; }
@keyframes bob { 50% { transform: translateY(3px) rotate(3deg); } }

.flag.wave { animation: wave 2.6s ease-in-out infinite; transform-box: fill-box; transform-origin: left center; }
@keyframes wave { 50% { transform: scaleX(0.82) skewY(4deg); } }

.drift-a { animation: drift 60s ease-in-out infinite alternate; }
.drift-b { animation: drift 46s ease-in-out infinite alternate-reverse; }
@keyframes drift { to { transform: translateX(80px); } }

.stroll { animation: stroll 14s ease-in-out infinite; }
.stroll.late { animation-delay: -6s; animation-duration: 17s; }
@keyframes stroll {
  0%, 100% { transform: translateX(0); }
  45%, 55% { transform: translateX(-90px); }
}
.homeward { animation: homeward 18s linear infinite; }
@keyframes homeward {
  0% { transform: translateX(-30px); opacity: 0; }
  8% { opacity: 1; }
  88% { opacity: 1; }
  100% { transform: translateX(150px); opacity: 0; }
}
.look { animation: look 7s ease-in-out infinite; transform-box: fill-box; transform-origin: bottom center; }
@keyframes look { 0%, 40%, 100% { transform: none; } 50%, 85% { transform: translateX(10px) rotate(4deg); } }

.drop { animation: drop 4s cubic-bezier(0.5, 0, 0.75, 0) infinite; }
@keyframes drop {
  0% { transform: translateY(-48px); opacity: 0; }
  12% { transform: translateY(-48px); opacity: 1; }
  40% { transform: translateY(0); animation-timing-function: ease-out; }
  85% { transform: translateY(0); opacity: 1; }
  100% { transform: translateY(0); opacity: 0; }
}
.cursor.drop { animation-name: carry; }
@keyframes carry {
  0%, 12% { transform: translateY(-48px); opacity: 1; }
  40% { transform: translateY(0); }
  60%, 100% { transform: translateY(0); opacity: 0; }
}
.pour .drip { animation: drip 1.2s cubic-bezier(0.5, 0, 1, 1) infinite; }
.pour .d2 { animation-delay: -0.4s; }
.pour .d3 { animation-delay: -0.8s; }
@keyframes drip { from { transform: translateY(0); opacity: 1; } 90% { opacity: 1; } to { transform: translateY(98px); opacity: 0; } }

.tumble { animation: tumble 3s ease-in-out infinite; transform-box: fill-box; transform-origin: center; }
@keyframes tumble { 50% { transform: translate(4px, 2px) rotate(-5deg); } }
.flee { animation: flee 0.5s ease-in-out infinite alternate; transform-box: fill-box; transform-origin: bottom center; }
@keyframes flee { from { transform: rotate(-12deg) translateY(0); } to { transform: rotate(-14deg) translateY(-3px); } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

/* ---------- small screens ---------- */
@media (max-width: 860px) {
  .village-in { grid-template-columns: 1fr; gap: 28px; padding: 40px 24px 44px; text-align: center; }
  .dusk-scene { max-width: 360px; margin: 0 auto; }
  .village .lede { margin-left: auto; margin-right: auto; }
  .pages { grid-template-columns: 1fr; max-width: 420px; gap: 48px; }
}
@media (max-width: 560px) {
  .hero { padding-top: 48px; }
  .stage { padding-top: 40px; }
  .screen { height: 420px; border-radius: 14px; }
  .block { font-size: 17px; padding: 12px 20px 11px; }
  .pages { padding-top: 72px; }
}

/* ---------- other pages ---------- */
.lost { min-height: 80vh; display: grid; align-content: center; }
.prose {
  max-width: 640px;
  margin: 0 auto;
  padding: 64px 16px 0;
}
.prose h1 { font-size: clamp(36px, 6vw, 52px); }
.prose h2 { font-size: 22px; margin-top: 40px; }
.prose p { margin-top: 14px; }
.prose .lede { margin-top: 16px; }
.prose .updated { margin-top: 40px; }
.prose a { text-underline-offset: 3px; }
.cta.start { justify-items: start; }