/* Общие стили для страниц гайда (guide.html, rules.html, visiting.html, first-dog.html, signals.html)
   Палитра — синий и жёлтый: два цвета, которые собаки различают лучше всего (дихроматическое зрение). */
:root {
  --ink: #14204A; --fg: #14204A; --muted: #5B6383; --line: #E7E2D4; --paper: #FAF7EF; --card: #fff; --soft: #F3EFE4;
  --blue: #2747D9; --blue-600: #1D36B3; --blue-50: #EDF0FF; --blue-100: #DCE2FF;
  --sun: #FFC83D; --sun-600: #E5A800; --sun-50: #FFF5D9; --sun-ink: #7A5500;
  --accent: var(--blue); --accent-soft: var(--blue-50);
  --warn: var(--sun-ink); --warn-soft: var(--sun-50); --no: #C0392B; --no-soft: #FDECEA;
  --r: 20px; --shadow: 0 1px 2px rgba(20,32,74,.05), 0 8px 24px -12px rgba(20,32,74,.18);
  --display: "Nunito", "Manrope", system-ui, sans-serif;
  --body: "Manrope", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body { margin: 0; font: 500 16px/1.6 var(--body); color: var(--fg); background: var(--paper); -webkit-font-smoothing: antialiased; }
a { color: var(--blue); text-decoration-thickness: 1.5px; text-underline-offset: 3px; }
a:hover { color: var(--blue-600); }
img { max-width: 100%; }
b, strong { font-weight: 700; }
::selection { background: var(--sun); color: var(--ink); }

/* Иконки */
.i { width: 1em; height: 1em; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; flex: none; vertical-align: -.14em; }
.logo { display: block; flex: none; }

/* Шапка */
.top { position: sticky; top: 0; z-index: 10; background: rgba(250,247,239,.82); backdrop-filter: saturate(1.4) blur(14px); -webkit-backdrop-filter: saturate(1.4) blur(14px); border-bottom: 1px solid rgba(20,32,74,.07); }
.top .in { max-width: 1120px; margin: 0 auto; padding: 10px 20px; display: flex; align-items: center; gap: 14px; }
.brand { display: flex; align-items: center; gap: 10px; font: 600 15px/1 var(--display); letter-spacing: -.01em; text-decoration: none; color: var(--ink); white-space: nowrap; }
.brand:hover { color: var(--ink); }
.brand small { font: 600 11px/1 var(--body); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); display: block; margin-top: 4px; }
.nav { display: flex; gap: 2px; overflow-x: auto; flex: 1; scrollbar-width: none; justify-content: safe center; }
.nav::-webkit-scrollbar { display: none; }
.nav a { text-decoration: none; color: var(--muted); padding: 8px 13px; border-radius: 999px; font-size: 14px; font-weight: 600; white-space: nowrap; transition: background .15s, color .15s; }
.nav a:hover { background: rgba(20,32,74,.06); color: var(--ink); }
.nav a.on { background: var(--ink); color: var(--sun); }
.lang { appearance: none; -webkit-appearance: none; border: 1px solid var(--line); background: #fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235B6383' stroke-width='2.5' stroke-linecap='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E") no-repeat right 8px center / 12px; border-radius: 999px; height: 34px; font: 600 13px var(--body); color: var(--ink); padding: 0 26px 0 12px; cursor: pointer; }
.lang:hover { border-color: var(--blue); }

/* Языковые блоки: показываем только активный */
[data-lang] { display: none; }
html[data-ui="en"] [data-lang="en"], html[data-ui="ru"] [data-lang="ru"] { display: revert; }
.langnote { max-width: 1120px; margin: 14px auto 0; padding: 0 20px; font-size: 13px; color: var(--sun-ink); }
.langnote::before { content: "i"; display: inline-grid; place-items: center; width: 18px; height: 18px; border-radius: 50%; background: var(--sun); color: var(--ink); font: 800 11px var(--body); margin-right: 8px; }

main { max-width: 1120px; margin: 0 auto; padding: 18px 20px 72px; }
main > div > *:not(.hero):not(.cards):not(.swatches):not(.two), main > div > .two { max-width: 820px; }

/* Hero — синий блок с жёлтой таксой */
.hero { position: relative; overflow: hidden; isolation: isolate; background: var(--ink); color: #fff; border-radius: 32px; padding: clamp(28px, 5vw, 56px) clamp(24px, 5vw, 56px); margin: 6px 0 28px; min-height: 220px; display: flex; flex-direction: column; justify-content: center; }
.hero::before { content: ""; position: absolute; z-index: -1; width: 420px; height: 420px; right: -110px; top: -150px; border-radius: 50%; background: radial-gradient(circle at 35% 40%, #3A5BF0 0, var(--blue) 55%, transparent 56%); }
.hero::after { content: ""; position: absolute; z-index: -1; width: 180px; height: 180px; right: 18%; bottom: -120px; border-radius: 50%; background: var(--sun); opacity: .95; }
.hero h1 { font: 600 clamp(28px, 4.6vw, 48px)/1.12 var(--display); letter-spacing: -.01em; margin: 0 0 14px; max-width: 760px; text-wrap: balance; }
.hero p { font-size: clamp(16px, 1.8vw, 19px); color: rgba(255,255,255,.78); margin: 0; max-width: 640px; text-wrap: pretty; }
.hero-art { position: absolute; z-index: -1; right: clamp(16px, 5vw, 64px); bottom: 18px; width: clamp(130px, 22vw, 230px); filter: drop-shadow(0 12px 18px rgba(0,0,0,.25)); }
.hero .kicker { display: inline-flex; align-items: center; gap: 8px; align-self: flex-start; font: 700 12px/1 var(--body); letter-spacing: .1em; text-transform: uppercase; color: var(--ink); background: var(--sun); padding: 7px 12px; border-radius: 999px; margin-bottom: 18px; }
@media (min-width: 760px) { .hero h1, .hero p { max-width: calc(100% - 260px); } }
@media (max-width: 759px) { .hero { padding-bottom: 120px; } .hero::after { right: -40px; } }

h2 { font: 600 clamp(22px, 2.6vw, 28px)/1.25 var(--display); letter-spacing: -.005em; margin: 56px 0 14px; padding-top: 4px; text-wrap: balance; }
h2::before { content: ""; display: block; width: 36px; height: 6px; border-radius: 3px; background: var(--sun); margin-bottom: 14px; }
h3 { font-size: 18px; font-weight: 800; margin: 26px 0 6px; letter-spacing: -.01em; }
p, li { max-width: 760px; }
.muted { color: var(--muted); }
small, .small { font-size: 13px; }

/* Оглавление страницы */
.toc { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 8px; }
.toc a { text-decoration: none; background: #fff; border: 1px solid var(--line); border-radius: 999px; padding: 8px 14px; font-size: 14px; font-weight: 600; color: var(--ink); transition: all .15s; }
.toc a:hover { border-color: var(--blue); background: var(--blue-50); color: var(--blue); }

/* Иконка-плитка */
.ic { width: 46px; height: 46px; border-radius: 14px; display: grid; place-items: center; background: var(--blue-50); color: var(--blue); font-size: 22px; flex: none; }
.ic .i { width: 23px; height: 23px; }

/* Карточки */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 14px; margin-top: 18px; }
.card { position: relative; display: flex; flex-direction: column; gap: 4px; border: 1px solid var(--line); border-radius: var(--r); padding: 22px; text-decoration: none; color: var(--fg); background: var(--card); box-shadow: var(--shadow); transition: transform .2s, box-shadow .2s, border-color .2s; }
.cards > .card:nth-child(even) .ic { background: var(--sun-50); color: var(--sun-ink); }
a.card:hover { transform: translateY(-3px); border-color: var(--blue-100); box-shadow: 0 2px 4px rgba(20,32,74,.05), 0 18px 36px -16px rgba(20,32,74,.3); color: var(--fg); }
a.card::after { content: ""; position: absolute; right: 20px; top: 26px; width: 30px; height: 30px; border-radius: 50%; background: var(--ink) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23FFC83D' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12h14M12 5l7 7-7 7'/%3E%3C/svg%3E") no-repeat center / 15px; opacity: 0; transform: translateX(-6px); transition: all .2s; }
a.card:hover::after { opacity: 1; transform: none; }
.card .ic { margin-bottom: 10px; }
.card b { display: block; font-size: 17px; font-weight: 700; letter-spacing: -.01em; margin: 0 0 2px; }
.card span { color: var(--muted); font-size: 14.5px; line-height: 1.5; }

/* Правило-строка: значок + текст + источник */
.rule { display: grid; grid-template-columns: 46px 1fr; gap: 16px; padding: 18px 20px; margin: 10px 0; background: var(--card); border: 1px solid var(--line); border-radius: 18px; }
.rule b { display: block; font-size: 16.5px; font-weight: 700; letter-spacing: -.01em; line-height: 1.35; padding-top: 2px; }
.rule p { margin: 6px 0 0; color: #2E3760; }
.src { display: inline-flex; flex-wrap: wrap; align-items: center; gap: 6px; font-size: 12.5px; font-weight: 600; color: var(--muted); margin-top: 10px; background: var(--soft); padding: 3px 10px; border-radius: 999px; }
.src a { color: var(--muted); }

.box { border-radius: 18px; padding: 16px 18px; margin: 14px 0; max-width: 760px; border: 1px solid transparent; }
.box.ok { background: var(--blue-50); border-color: var(--blue-100); }
.box.warn { background: var(--sun-50); border-color: #F6E2A6; }
.box.no { background: var(--no-soft); border-color: #F7D4CF; }
.box.grey { background: var(--soft); border-color: var(--line); }
.box > b:first-child { display: block; margin-bottom: 4px; }
.box p:first-child, .box ul:first-child { margin-top: 0; }
.box p:last-child, .box ul:last-child { margin-bottom: 0; }

/* Таблицы */
.tbl { width: 100%; max-width: 820px; border-collapse: separate; border-spacing: 0; font-size: 15px; margin: 12px 0; background: #fff; border: 1px solid var(--line); border-radius: 16px; overflow: hidden; }
.tbl th, .tbl td { text-align: left; padding: 11px 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
.tbl tr:last-child td { border-bottom: 0; }
.tbl th { font-size: 12px; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); font-weight: 700; background: var(--soft); }

/* Календарь сезонов */
.year { display: grid; grid-template-columns: repeat(12, 1fr); gap: 2px; max-width: 820px; margin: 14px 0 6px; font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .04em; text-align: center; color: var(--muted); }
.bar { position: relative; height: 32px; max-width: 820px; background: #fff; border: 1px solid var(--line); border-radius: 999px; margin: 6px 0; }
.bar i { position: absolute; top: 3px; bottom: 3px; border-radius: 999px; display: flex; align-items: center; padding: 0 12px; font-style: normal; font-size: 12px; font-weight: 700; color: #fff; white-space: nowrap; overflow: hidden; }

/* Чек-лист */
.check { list-style: none; padding: 0; }
.check li { position: relative; padding: 7px 0 7px 34px; }
.check li::before { content: ""; position: absolute; left: 2px; top: 10px; width: 20px; height: 20px; border-radius: 7px; border: 2px solid var(--blue); background: #fff; }
.check li::after { content: ""; position: absolute; left: 9px; top: 14px; width: 5px; height: 9px; border: solid var(--blue); border-width: 0 2.5px 2.5px 0; transform: rotate(45deg); opacity: .0; }
.check li:hover::after { opacity: .35; }

/* Цветовые сигналы */
.swatches { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 10px; margin: 18px 0; }
.sw { border: 2px solid var(--line); border-radius: 18px; padding: 14px; background: #fff; cursor: pointer; text-align: left; font: inherit; color: var(--fg); transition: all .15s; }
.sw:hover { border-color: var(--blue-100); transform: translateY(-2px); }
.sw[aria-pressed="true"] { border-color: var(--ink); box-shadow: 0 0 0 3px var(--sun); }
.sw .rib { height: 14px; border-radius: 7px; margin-bottom: 10px; border: 1px solid rgba(20,32,74,.15); }
.sw b { display: block; font-weight: 800; }
.sw span { font-size: 13px; color: var(--muted); }
.detail { border-radius: 22px; padding: 20px 22px; border: 1px solid var(--line); background: #fff; max-width: 820px; min-height: 120px; box-shadow: var(--shadow); }
.detail h3 { margin-top: 0; display: flex; align-items: center; gap: 12px; }
.detail .rib { width: 44px; height: 14px; border-radius: 7px; border: 1px solid rgba(20,32,74,.15); display: inline-block; }
.two { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.two .box { margin: 0; }
.two ul { margin: 6px 0 0; padding-left: 20px; }
@media (max-width: 640px) { .two { grid-template-columns: 1fr; } }

.btn { display: inline-flex; align-items: center; gap: 8px; border: 0; border-radius: 14px; padding: 12px 18px; font: 700 14.5px var(--body); cursor: pointer; background: #fff; color: var(--ink); text-decoration: none; box-shadow: inset 0 0 0 1px var(--line); transition: all .15s; }
.btn:hover { box-shadow: inset 0 0 0 1px var(--blue); color: var(--blue); }
.btn.primary { background: var(--blue); color: #fff; box-shadow: 0 6px 16px -6px rgba(39,71,217,.6); }
.btn.primary:hover { background: var(--blue-600); color: #fff; }
.btn .i { font-size: 18px; }

footer { margin-top: 40px; padding: 36px 20px 48px; background: var(--ink); color: rgba(255,255,255,.66); font-size: 13.5px; }
footer .in { max-width: 1120px; margin: 0 auto; display: flex; gap: 18px; align-items: flex-start; }
footer .in > div { max-width: 760px; }
footer a { color: var(--sun); }
footer .logo { margin-top: 2px; }

/* Карточка для печати (signals.html) */
.printcard { display: none; }
@media print {
  .top, footer, .noprint, .langnote { display: none !important; }
  main > *:not(.printcard) { display: none !important; }
  .printcard { display: block !important; }
  body { font-size: 12px; background: #fff; }
}

/* Мобильная шапка: меню второй строкой, листается вбок */
@media (max-width: 860px) {
  .top .in { flex-wrap: wrap; row-gap: 8px; padding: 10px 14px 8px; }
  .brand { flex: 1; }
  .nav { order: 3; flex-basis: 100%; justify-content: flex-start; margin: 0 -14px; padding: 0 10px 2px; }
  main { padding: 14px 14px 56px; }
  .hero { border-radius: 26px; }
  .rule { grid-template-columns: 40px 1fr; gap: 12px; padding: 16px; }
  .rule .ic { width: 40px; height: 40px; border-radius: 12px; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; scroll-behavior: auto !important; } }