/* Общая палитра повторяет Night в Radialio, чтобы переход в игру был естественным. */
:root {
  color-scheme: dark;
  --page: #171a30;
  --surface: #22253e;
  --canvas: #101326;
  --text: #f3f2fc;
  --muted: #b3b5cc;
  --line: #3b3e59;
  --accent: #cec2ff;
  --pink: #f7a8d8;
  font: 16px/1.65 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--page);
  color: var(--text);
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; min-width: 280px; }
a { color: var(--accent); text-underline-offset: .25em; }
a:hover { color: var(--text); }
a, button, textarea { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid var(--pink); outline-offset: 5px; }
button, textarea { font: inherit; }
button { cursor: pointer; }
img, svg { max-width: 100%; }
h1, h2, h3, p { margin: 0; }
h1, h2, h3 { font-family: "Trebuchet MS", "Segoe UI", sans-serif; line-height: 1.15; }
h1 { font-size: clamp(2rem, 5vw, 3.5rem); font-weight: 600; letter-spacing: -.045em; }
h2 { font-size: 1.7rem; font-weight: 500; letter-spacing: -.025em; }
h3 { font-size: 1.1rem; font-weight: 600; }
p { max-width: 68ch; }
.shell { width: min(1120px, calc(100% - 64px)); margin-inline: auto; }
.skip-link {
  position: fixed; top: 12px; left: 12px; z-index: 10; transform: translateY(-180%);
  padding: 10px 16px; border-radius: 6px; background: var(--accent); color: var(--canvas);
}
.skip-link:focus { transform: translateY(0); }
.site-header { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding-block: 30px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; line-height: 1.15; }
.brand img { width: 32px; height: 32px; }
.brand-name { font-size: 1.15rem; font-weight: 650; letter-spacing: -.02em; }
.brand-name span { color: var(--muted); font-size: .88rem; font-weight: 400; margin-left: 7px; }
.site-nav { display: flex; align-items: center; flex-wrap: wrap; gap: 24px; }
.site-nav a { color: var(--muted); text-decoration: none; font-size: .92rem; padding-block: 5px; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--text); }
.site-nav a[aria-current="page"] { text-decoration: underline; text-decoration-color: var(--pink); text-underline-offset: .5em; }
.catalog { padding-top: 20px; }
.game-feature { display: grid; grid-template-columns: 1fr 1.1fr; align-items: center; background: var(--canvas); border-radius: 24px; overflow: hidden; }
.game-copy { padding: 52px 0 52px 48px; position: relative; z-index: 1; }
.game-copy h1 { font-size: clamp(2.8rem, 5.7vw, 4.8rem); }
.game-intro { margin-top: 20px; font-size: 1.3rem; line-height: 1.45; max-width: 20ch; }
.game-description { color: var(--muted); margin-top: 14px; max-width: 34ch; }
.game-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 20px; margin-top: 28px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 48px; padding: 10px 22px; border: 1px solid transparent; border-radius: 8px; background: var(--accent); color: #241b42; font-weight: 650; text-decoration: none; }
.button:hover { background: #dfd7ff; color: #241b42; }
.button svg { width: 17px; height: 17px; }
.text-link { font-size: .94rem; }
.game-note { color: var(--muted); margin-top: 19px; font-size: .84rem; }
.game-art { display: block; width: 100%; height: auto; aspect-ratio: 1; object-fit: contain; padding: 16px; }
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 46px; margin-block: 44px 64px; padding-inline: 6px; }
.features h2 { font-size: 1.14rem; font-weight: 600; letter-spacing: -.015em; }
.features p { color: var(--muted); font-size: .94rem; margin-top: 10px; }
.site-footer { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px 28px; padding-block: 24px 30px; border-top: 1px solid var(--line); color: var(--muted); font-size: .84rem; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 12px 24px; }
.site-footer a { color: var(--muted); }
.site-footer a:hover { color: var(--text); }
.document { max-width: 740px; padding-block: 42px 72px; }
.document h1 { margin-bottom: 20px; }
.document .lead { color: var(--muted); font-size: 1.1rem; }
.document section { margin-top: 36px; }
.document section h2 { font-size: 1.35rem; margin-bottom: 12px; font-weight: 600; }
.document section p + p { margin-top: 14px; }
.document ul { padding-left: 24px; margin-block: 12px 0; }
.document li + li { margin-top: 8px; }
.document time { display: block; font-size: .86rem; color: var(--muted); margin-bottom: 26px; }
.embed-page { padding-block: 36px 64px; }
.page-intro { max-width: 670px; margin-bottom: 32px; }
.page-intro h1 { margin-bottom: 18px; }
.page-intro p { color: var(--muted); font-size: 1.08rem; }
.embed-instructions { display: grid; grid-template-columns: 1.1fr 1fr; align-items: start; gap: 40px; margin-block: 36px; }
.embed-instructions h2, .preview-heading h2 { font-size: 1.45rem; }
.embed-instructions p { color: var(--muted); font-size: .94rem; margin-top: 12px; }
.code-label { display: block; font-size: .9rem; margin-bottom: 10px; }
.embed-code { width: 100%; min-height: 205px; resize: vertical; display: block; padding: 18px; border: 1px solid var(--line); border-radius: 10px; background: var(--canvas); color: var(--text); font: .85rem/1.65 ui-monospace, Consolas, monospace; overflow-wrap: normal; }
.copy-row { display: flex; align-items: center; flex-wrap: wrap; gap: 14px; margin-top: 14px; }
.copy-row .button { min-height: 42px; padding: 7px 16px; font-size: .9rem; }
.copy-status { color: var(--accent); font-size: .88rem; }
.copy-fallback { color: var(--muted); font-size: .86rem; margin-top: 10px; }
.preview-heading { display: flex; align-items: baseline; justify-content: space-between; flex-wrap: wrap; gap: 12px; margin-bottom: 16px; }
.preview-heading a { font-size: .9rem; }
.game-preview { display: block; width: 100%; height: 600px; border: 1px solid var(--line); border-radius: 12px; background: var(--canvas); }
.preview-note { color: var(--muted); font-size: .86rem; margin-top: 12px; }
.not-found { padding-block: 75px 100px; max-width: 650px; }
.not-found p { color: var(--muted); margin-block: 20px 28px; }
/* На телефоне рисунок становится самостоятельной полосой под описанием игры. */
@media (max-width: 760px) {
  .shell { width: min(1120px, calc(100% - 36px)); }
  .site-header { padding-block: 22px; gap: 18px; }
  .brand-name span { display: block; margin: 4px 0 0; font-size: .76rem; }
  .site-nav { gap: 18px; }
  .site-nav a { font-size: .86rem; }
  .catalog { padding-top: 12px; }
  .game-feature { grid-template-columns: 1fr 1fr; }
  .game-copy { padding: 32px 0 32px 28px; }
  .game-intro { font-size: 1.1rem; }
  .game-art { padding: 0; }
  .game-actions { gap: 14px; }
  .features { gap: 24px; margin-block: 32px 44px; }
  .embed-instructions { grid-template-columns: 1fr; gap: 22px; }
}
@media (max-width: 560px) {
  .shell { width: calc(100% - 32px); }
  .brand { gap: 7px; }
  .brand img { width: 28px; height: 28px; }
  .brand-name { font-size: 1rem; }
  .site-nav { gap: 14px; }
  .game-feature { grid-template-columns: 1fr; border-radius: 18px; }
  .game-copy { padding: 32px 26px 0; }
  .game-copy h1 { font-size: 3.2rem; }
  .game-intro { max-width: 23ch; margin-top: 16px; }
  .game-description { margin-top: 12px; }
  .game-actions { margin-top: 22px; }
  .game-art { width: min(100%, 360px); margin-inline: auto; margin-top: 8px; }
  .features { grid-template-columns: 1fr; gap: 24px; padding-inline: 6px; }
  .features p { margin-top: 7px; }
  .site-footer { align-items: start; flex-direction: column; gap: 13px; }
  .site-footer nav { gap: 10px 20px; }
  .document { padding-block: 30px 48px; }
  .document section { margin-top: 28px; }
  .embed-page { padding-top: 24px; }
  .game-preview { border-radius: 8px; }
}
/* Нет постоянной анимации: настройка уменьшения движения также убирает прокрутку. */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation: none !important; transition: none !important; }
}