/* ==========================================================================
   llms.com.ua — дизайн-система
   Технічний довідник. Світла й темна теми, без зовнішніх залежностей крім шрифтів.
   ========================================================================== */

/* --------------------------------------------------------------- Змінні */
:root {
  /* Палітра */
  --blue-50:  #eef3ff;
  --blue-100: #dde7ff;
  --blue-200: #c0d1ff;
  --blue-300: #94b2ff;
  --blue-400: #6089fb;
  --blue-500: #3a63f0;
  --blue-600: #2749dc;
  --blue-700: #1f37b4;
  --blue-800: #1e318e;

  --slate-25:  #fbfcfe;
  --slate-50:  #f5f7fb;
  --slate-100: #eef1f7;
  --slate-200: #e1e6ef;
  --slate-300: #cbd3e1;
  --slate-400: #94a1b8;
  --slate-500: #64748b;
  --slate-600: #4a5568;
  --slate-700: #334155;
  --slate-800: #1e293b;
  --slate-900: #0f172a;
  --slate-950: #080d18;

  --green-50:  #e9f9f0;
  --green-500: #12a150;
  --green-600: #0d7d3e;
  --amber-50:  #fff6e5;
  --amber-500: #d98207;
  --amber-600: #a86205;
  --red-50:    #fdeced;
  --red-500:   #d92d3a;
  --red-600:   #ad222d;
  --violet-50: #f3efff;
  --violet-500:#7a54e8;

  /* Семантика — світла тема */
  --bg:        #ffffff;
  --bg-soft:   var(--slate-50);
  --bg-mute:   var(--slate-100);
  --surface:   #ffffff;
  --surface-2: var(--slate-25);
  --border:    var(--slate-200);
  --border-str:var(--slate-300);
  --text:      var(--slate-900);
  --text-2:    var(--slate-600);
  --text-3:    var(--slate-500);
  --accent:    var(--blue-600);
  --accent-h:  var(--blue-700);
  --accent-bg: var(--blue-50);
  --accent-br: var(--blue-200);
  --ok:        var(--green-600);
  --ok-bg:     var(--green-50);
  --warn:      var(--amber-600);
  --warn-bg:   var(--amber-50);
  --err:       var(--red-600);
  --err-bg:    var(--red-50);

  --code-bg:   #0d1424;
  --code-fg:   #dbe4f5;
  --code-gut:  #4a5878;
  --code-br:   #1c2942;

  /* Типографіка */
  --ff: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --ff-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, 'SF Mono', Menlo, Consolas, monospace;

  /* Геометрія */
  --r-xs: 6px;
  --r-sm: 8px;
  --r:    12px;
  --r-lg: 16px;
  --r-xl: 22px;
  --wrap: 1200px;
  --wrap-narrow: 820px;

  --sh-sm: 0 1px 2px rgba(15,23,42,.06), 0 1px 3px rgba(15,23,42,.05);
  --sh:    0 2px 4px rgba(15,23,42,.04), 0 8px 24px rgba(15,23,42,.07);
  --sh-lg: 0 4px 8px rgba(15,23,42,.05), 0 20px 48px rgba(15,23,42,.10);

  --tr: .18s cubic-bezier(.4,0,.2,1);
}

html[data-theme="dark"] {
  --bg:        var(--slate-950);
  --bg-soft:   #0c1322;
  --bg-mute:   #131c2e;
  --surface:   #0f1829;
  --surface-2: #131d31;
  --border:    #223047;
  --border-str:#2e405c;
  --text:      #e8edf7;
  --text-2:    #a5b2c9;
  --text-3:    #7d8ba5;
  --accent:    var(--blue-400);
  --accent-h:  var(--blue-300);
  --accent-bg: #16223f;
  --accent-br: #26375f;
  --ok:        #34d17f;
  --ok-bg:     #0f2a1e;
  --warn:      #f0a92e;
  --warn-bg:   #2e2311;
  --err:       #f4707b;
  --err-bg:    #2f151a;
  --code-bg:   #070c17;
  --code-br:   #1a2740;
  --sh-sm: 0 1px 2px rgba(0,0,0,.4);
  --sh:    0 2px 6px rgba(0,0,0,.35), 0 10px 30px rgba(0,0,0,.35);
  --sh-lg: 0 8px 40px rgba(0,0,0,.5);
}

@media (prefers-color-scheme: dark) {
  html:not([data-theme="light"]) {
    --bg:        var(--slate-950);
    --bg-soft:   #0c1322;
    --bg-mute:   #131c2e;
    --surface:   #0f1829;
    --surface-2: #131d31;
    --border:    #223047;
    --border-str:#2e405c;
    --text:      #e8edf7;
    --text-2:    #a5b2c9;
    --text-3:    #7d8ba5;
    --accent:    var(--blue-400);
    --accent-h:  var(--blue-300);
    --accent-bg: #16223f;
    --accent-br: #26375f;
    --ok:        #34d17f;
    --ok-bg:     #0f2a1e;
    --warn:      #f0a92e;
    --warn-bg:   #2e2311;
    --err:       #f4707b;
    --err-bg:    #2f151a;
    --code-bg:   #070c17;
    --code-br:   #1a2740;
    --sh-sm: 0 1px 2px rgba(0,0,0,.4);
    --sh:    0 2px 6px rgba(0,0,0,.35), 0 10px 30px rgba(0,0,0,.35);
    --sh-lg: 0 8px 40px rgba(0,0,0,.5);
  }
}

/* ------------------------------------------------------------------ База */
*,*::before,*::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 90px; }
body {
  margin: 0;
  font-family: var(--ff);
  font-size: 16.5px;
  line-height: 1.68;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: 'cv05' 1, 'ss01' 1;
}
img,svg { max-width: 100%; }
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-h); text-decoration: underline; text-underline-offset: 3px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.skip {
  position: absolute; left: -9999px; top: 0; z-index: 999;
  background: var(--accent); color: #fff; padding: 10px 18px; border-radius: 0 0 var(--r) 0;
}
.skip:focus { left: 0; }

/* ------------------------------------------------------------------ Шапка */
.hdr {
  position: sticky; top: 0; z-index: 100;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--border);
}
.hdr__in { display: flex; align-items: center; gap: 28px; height: 66px; }

.logo { display: inline-flex; align-items: center; gap: 10px; color: var(--text); font-weight: 700; letter-spacing: -.02em; }
.logo:hover { text-decoration: none; color: var(--text); }
.logo__mark { display: inline-flex; color: var(--accent); }
.logo__txt { font-size: 17px; font-family: var(--ff); }
.logo__dot { color: var(--accent); }
.logo__tld { color: var(--text-3); font-weight: 500; }

.nav { margin-left: auto; }
.nav__list { display: flex; align-items: center; gap: 2px; list-style: none; margin: 0; padding: 0; }
.nav__item { position: relative; }
.nav__link {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 8px 12px; border-radius: var(--r-sm);
  font-size: 14.5px; font-weight: 500; color: var(--text-2);
  background: none; border: 0; cursor: pointer; font-family: inherit;
  transition: color var(--tr), background var(--tr);
  white-space: nowrap;
}
.nav__link:hover { color: var(--text); background: var(--bg-mute); text-decoration: none; }
.nav__link.is-active { color: var(--accent); background: var(--accent-bg); }
.nav__chev { width: 8px; height: 8px; border-right: 1.7px solid currentColor; border-bottom: 1.7px solid currentColor; transform: rotate(45deg) translate(-2px,-2px); transition: transform var(--tr); }
.nav__item.is-open .nav__chev { transform: rotate(-135deg) translate(-2px,-2px); }

.nav__sub {
  position: absolute; top: calc(100% + 8px); left: 0; min-width: 250px;
  list-style: none; margin: 0; padding: 6px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r); box-shadow: var(--sh-lg);
  opacity: 0; visibility: hidden; transform: translateY(-6px);
  transition: opacity var(--tr), transform var(--tr), visibility var(--tr);
}
.nav__item.is-open .nav__sub { opacity: 1; visibility: visible; transform: none; }
.nav__sublink { display: block; padding: 9px 12px; border-radius: var(--r-xs); font-size: 14.5px; color: var(--text-2); }
.nav__sublink:hover { background: var(--bg-mute); color: var(--text); text-decoration: none; }
.nav__sublink.is-active { color: var(--accent); background: var(--accent-bg); font-weight: 500; }

.hdr__actions { display: flex; align-items: center; gap: 10px; }
.theme {
  display: inline-flex; align-items: center; justify-content: center;
  width: 36px; height: 36px; border-radius: var(--r-sm);
  border: 1px solid var(--border); background: var(--surface); color: var(--text-2);
  cursor: pointer; transition: all var(--tr);
}
.theme:hover { color: var(--text); border-color: var(--border-str); }
.theme__moon { display: none; }
html[data-theme="dark"] .theme__sun { display: none; }
html[data-theme="dark"] .theme__moon { display: block; }
@media (prefers-color-scheme: dark) {
  html:not([data-theme="light"]) .theme__sun { display: none; }
  html:not([data-theme="light"]) .theme__moon { display: block; }
}

.burger { display: none; flex-direction: column; gap: 4px; width: 36px; height: 36px;
  align-items: center; justify-content: center; border: 1px solid var(--border);
  background: var(--surface); border-radius: var(--r-sm); cursor: pointer; }
.burger span { display: block; width: 16px; height: 1.8px; background: var(--text); border-radius: 2px; transition: var(--tr); }
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(5.8px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-5.8px) rotate(-45deg); }

@media (max-width: 1080px) {
  .burger { display: flex; }
  .nav {
    position: fixed; inset: 66px 0 auto 0; margin: 0;
    background: var(--bg); border-bottom: 1px solid var(--border);
    max-height: calc(100vh - 66px); overflow-y: auto;
    padding: 12px 24px 24px; display: none; box-shadow: var(--sh-lg);
  }
  .nav.is-open { display: block; }
  .nav__list { flex-direction: column; align-items: stretch; gap: 2px; }
  .nav__link { width: 100%; justify-content: space-between; padding: 11px 12px; font-size: 15.5px; }
  .nav__sub { position: static; opacity: 1; visibility: visible; transform: none;
    box-shadow: none; border: 0; border-left: 2px solid var(--border); border-radius: 0;
    margin: 2px 0 6px 14px; padding: 0 0 0 6px; display: none; }
  .nav__item.is-open .nav__sub { display: block; }
  .hdr__actions .btn { display: none; }
}
@media (max-width: 520px) {
  .logo__tld { display: none; }
  .wrap { padding: 0 16px; }
}

/* --------------------------------------------------------- Хлібні крихти */
.crumbs { border-bottom: 1px solid var(--border); background: var(--bg-soft); }
.crumbs__list { display: flex; flex-wrap: wrap; gap: 6px; list-style: none; margin: 0; padding: 11px 0; font-size: 13.5px; color: var(--text-3); }
.crumbs__list li + li::before { content: '/'; margin-right: 6px; color: var(--border-str); }
.crumbs__list a { color: var(--text-3); }
.crumbs__list a:hover { color: var(--accent); }
.crumbs__list span { color: var(--text-2); }

/* -------------------------------------------------------------- Секції */
.sect { padding: 64px 0; }
.sect--tight { padding: 44px 0; }
.sect--soft { background: var(--bg-soft); border-block: 1px solid var(--border); }
.sect__head { max-width: 760px; margin-bottom: 34px; }
.sect__eyebrow {
  display: inline-block; font-size: 12px; font-weight: 600; letter-spacing: .1em;
  text-transform: uppercase; color: var(--accent); margin-bottom: 12px;
}
.sect__lead { font-size: 17.5px; color: var(--text-2); margin: 12px 0 0; }

/* ----------------------------------------------------------- Типографіка */
h1,h2,h3,h4 { letter-spacing: -.021em; line-height: 1.22; margin: 0 0 .5em; font-weight: 700; }
h1 { font-size: clamp(30px, 4.2vw, 46px); letter-spacing: -.03em; }
h2 { font-size: clamp(24px, 2.9vw, 31px); margin-top: 2em; }
h3 { font-size: clamp(19px, 2.1vw, 22px); margin-top: 1.8em; font-weight: 650; }
h4 { font-size: 17px; margin-top: 1.6em; font-weight: 650; }
h2:first-child, h3:first-child { margin-top: 0; }
p { margin: 0 0 1.15em; }
.lead { font-size: 19px; line-height: 1.62; color: var(--text-2); }
strong { font-weight: 650; color: var(--text); }
hr { border: 0; border-top: 1px solid var(--border); margin: 2.6em 0; }
small { font-size: 13.5px; color: var(--text-3); }

.prose { max-width: 780px; }
.prose ul, .prose ol { margin: 0 0 1.2em; padding-left: 1.35em; }
.prose li { margin-bottom: .5em; }
.prose li::marker { color: var(--text-3); }
.prose ul li::marker { color: var(--accent); }
.prose blockquote {
  margin: 1.6em 0; padding: 4px 0 4px 22px;
  border-left: 3px solid var(--accent-br); color: var(--text-2); font-style: normal;
}
.prose blockquote p:last-child { margin-bottom: 0; }

code {
  font-family: var(--ff-mono); font-size: .875em;
  background: var(--bg-mute); border: 1px solid var(--border);
  padding: .1em .38em; border-radius: 5px; color: var(--text);
  word-break: break-word;
}
a code { color: inherit; }
kbd { font-family: var(--ff-mono); font-size: .82em; border: 1px solid var(--border-str);
  border-bottom-width: 2px; border-radius: 5px; padding: .1em .4em; background: var(--surface); }

.cite {
  display: inline-block; font-size: 12px; font-weight: 600; vertical-align: super;
  color: var(--accent); background: var(--accent-bg); border: 1px solid var(--accent-br);
  border-radius: 4px; padding: 0 5px; line-height: 1.5; margin-left: 2px; text-decoration: none;
}
.cite:hover { background: var(--accent); color: #fff; text-decoration: none; }

.ext::after {
  content: ''; display: inline-block; width: .62em; height: .62em; margin-left: .32em;
  background: currentColor; opacity: .55; vertical-align: baseline;
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M14 3h7v7h-2V6.4l-8.3 8.3-1.4-1.4L17.6 5H14V3ZM5 5h5v2H6v11h11v-4h2v6H4V5h1Z'/%3E%3C/svg%3E") center/contain no-repeat;
          mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M14 3h7v7h-2V6.4l-8.3 8.3-1.4-1.4L17.6 5H14V3ZM5 5h5v2H6v11h11v-4h2v6H4V5h1Z'/%3E%3C/svg%3E") center/contain no-repeat;
}

/* -------------------------------------------------------------- Кнопки */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 11px 20px; border-radius: var(--r-sm);
  font-size: 15px; font-weight: 550; font-family: inherit;
  border: 1px solid transparent; cursor: pointer; text-decoration: none;
  transition: all var(--tr); white-space: nowrap;
}
.btn:hover { text-decoration: none; }
.btn--primary { background: var(--accent); color: #fff; box-shadow: 0 1px 2px rgba(39,73,220,.25); }
.btn--primary:hover { background: var(--accent-h); color: #fff; transform: translateY(-1px); box-shadow: 0 4px 14px rgba(39,73,220,.3); }
.btn--ghost { background: var(--surface); color: var(--text); border-color: var(--border-str); }
.btn--ghost:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-bg); }
.btn--sm { padding: 8px 14px; font-size: 14px; }
.btn--lg { padding: 14px 26px; font-size: 16px; }
.btn[disabled], .btn.is-busy { opacity: .6; pointer-events: none; }
.btn__spin { display: none; width: 15px; height: 15px; border: 2px solid rgba(255,255,255,.35);
  border-top-color: #fff; border-radius: 50%; animation: spin .7s linear infinite; }
.btn.is-busy .btn__spin { display: block; }
@keyframes spin { to { transform: rotate(360deg); } }

/* -------------------------------------------------------------- Картки */
.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r-lg); padding: 24px;
  transition: border-color var(--tr), box-shadow var(--tr), transform var(--tr);
}
a.card:hover { border-color: var(--accent-br); box-shadow: var(--sh); transform: translateY(-2px); text-decoration: none; }
.card__h { font-size: 17px; font-weight: 650; margin: 0 0 8px; color: var(--text); letter-spacing: -.015em; }
.card__p { font-size: 14.5px; color: var(--text-2); margin: 0; line-height: 1.6; }
.card__ico {
  display: inline-flex; align-items: center; justify-content: center;
  width: 40px; height: 40px; border-radius: 11px;
  background: var(--accent-bg); color: var(--accent); margin-bottom: 14px;
  font-family: var(--ff-mono); font-size: 16px; font-weight: 500;
  border: 1px solid var(--accent-br);
}
.card__more { display: inline-flex; align-items: center; gap: 5px; margin-top: 14px;
  font-size: 14px; font-weight: 550; color: var(--accent); }
a.card:hover .card__more { gap: 9px; }
.card__more::after { content: '→'; transition: transform var(--tr); }

/* Елементи grid типово мають min-width:auto, через що широкий вміст
   (блоки коду, таблиці) розпирає колонку. Скидаємо це глобально. */
.hero__in > *, .grid > *, .ftr__grid > *, .row > *, .nextnav > * { min-width: 0; }

.grid { display: grid; gap: 18px; }
.grid--2 { grid-template-columns: repeat(2, minmax(0,1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0,1fr)); }
.grid--4 { grid-template-columns: repeat(4, minmax(0,1fr)); }
@media (max-width: 960px) { .grid--3, .grid--4 { grid-template-columns: repeat(2, minmax(0,1fr)); } }
@media (max-width: 640px) { .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; } }

/* ------------------------------------------------------------- Callout */
.callout {
  display: flex; gap: 14px; align-items: flex-start;
  margin: 1.7em 0; padding: 16px 18px;
  border: 1px solid var(--border); border-left: 3px solid var(--text-3);
  border-radius: var(--r); background: var(--surface-2);
}
.callout__ico {
  flex: 0 0 22px; height: 22px; border-radius: 6px; margin-top: 1px;
  display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--ff-mono); font-size: 13px; font-weight: 600;
  background: var(--bg-mute); color: var(--text-2);
}
.callout__title { display: block; margin-bottom: 4px; font-size: 15px; font-weight: 650; }
.callout__body { font-size: 15px; color: var(--text-2); }
.callout__body p:last-child { margin-bottom: 0; }
.callout--info { border-left-color: var(--accent); background: var(--accent-bg); }
.callout--info .callout__ico { background: var(--accent); color: #fff; }
.callout--info .callout__title { color: var(--accent-h); }
.callout--warn { border-left-color: var(--warn); background: var(--warn-bg); }
.callout--warn .callout__ico { background: var(--warn); color: #fff; }
.callout--warn .callout__title { color: var(--warn); }
.callout--ok { border-left-color: var(--ok); background: var(--ok-bg); }
.callout--ok .callout__ico { background: var(--ok); color: #fff; }
.callout--ok .callout__title { color: var(--ok); }
.callout--fact { border-left-color: var(--violet-500); }
.callout--fact .callout__ico { background: var(--violet-500); color: #fff; }

/* ---------------------------------------------------------------- Код */
.code { margin: 1.7em 0; border: 1px solid var(--code-br); border-radius: var(--r); overflow: hidden; background: var(--code-bg); position: relative; }
.code figcaption {
  padding: 9px 16px; font-family: var(--ff-mono); font-size: 12.5px;
  color: #8fa3c8; background: rgba(255,255,255,.035); border-bottom: 1px solid var(--code-br);
  display: flex; align-items: center; gap: 8px;
}
.code figcaption::before { content: ''; width: 8px; height: 8px; border-radius: 50%; background: #3b4c6d; flex: none; }
.code__wrap { display: flex; overflow-x: auto; }
.code__gutter {
  flex: none; margin: 0; padding: 16px 0 16px 16px;
  font-family: var(--ff-mono); font-size: 13.2px; line-height: 1.7;
  color: var(--code-gut); text-align: right; user-select: none;
  border-right: 1px solid var(--code-br); min-width: 46px; padding-right: 12px;
}
.code__body { flex: 1; margin: 0; padding: 16px 18px; overflow: visible; }
.code__body code {
  font-family: var(--ff-mono); font-size: 13.2px; line-height: 1.7;
  color: var(--code-fg); background: none; border: 0; padding: 0;
  white-space: pre; display: block;
}
.code__copy {
  position: absolute; top: 8px; right: 10px;
  padding: 5px 11px; font-size: 12px; font-family: var(--ff);
  background: rgba(255,255,255,.07); color: #b9c8e2;
  border: 1px solid var(--code-br); border-radius: 6px; cursor: pointer;
  opacity: 0; transition: opacity var(--tr), background var(--tr);
}
.code:hover .code__copy, .code__copy:focus { opacity: 1; }
.code__copy:hover { background: rgba(255,255,255,.14); color: #fff; }
.code:has(figcaption) .code__copy { top: 6px; }

/* -------------------------------------------------------------- Таблиці */
.tbl-wrap { overflow-x: auto; margin: 1.7em 0; border: 1px solid var(--border); border-radius: var(--r); background: var(--surface); }
table { width: 100%; border-collapse: collapse; font-size: 14.5px; }
th, td { padding: 12px 16px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--border); }
th { font-weight: 650; font-size: 13px; letter-spacing: .02em; text-transform: uppercase;
  color: var(--text-3); background: var(--bg-soft); white-space: nowrap; position: sticky; top: 0; }
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: var(--bg-soft); }
td code { font-size: 13px; }

/* -------------------------------------------------------------- Бейджі */
.badge {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 2px 9px; border-radius: 100px; font-size: 12.5px; font-weight: 550;
  border: 1px solid var(--border); background: var(--bg-mute); color: var(--text-2);
  white-space: nowrap;
}
.badge--ok   { background: var(--ok-bg);   color: var(--ok);   border-color: color-mix(in srgb, var(--ok) 30%, transparent); }
.badge--warn { background: var(--warn-bg); color: var(--warn); border-color: color-mix(in srgb, var(--warn) 30%, transparent); }
.badge--err  { background: var(--err-bg);  color: var(--err);  border-color: color-mix(in srgb, var(--err) 30%, transparent); }
.badge--info { background: var(--accent-bg); color: var(--accent); border-color: var(--accent-br); }
.badge--dot::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }

/* --------------------------------------------------------------- Hero */
.hero { padding: 76px 0 64px; position: relative; overflow: hidden; }
.hero::before {
  content: ''; position: absolute; inset: -50% 30% auto -10%; height: 620px;
  background: radial-gradient(ellipse at 30% 40%, color-mix(in srgb, var(--accent) 13%, transparent), transparent 62%);
  pointer-events: none; z-index: 0;
}
.hero__in { position: relative; z-index: 1; display: grid; grid-template-columns: 1.06fr .94fr; gap: 56px; align-items: center; }
.hero h1 { margin-bottom: 20px; }
.hero__lead { font-size: 19px; line-height: 1.6; color: var(--text-2); margin-bottom: 28px; max-width: 560px; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 26px; }
.hero__meta { display: flex; flex-wrap: wrap; gap: 8px 18px; font-size: 13.5px; color: var(--text-3); }
.hero__meta span { display: inline-flex; align-items: center; gap: 6px; }
.hero__meta span::before { content: ''; width: 5px; height: 5px; border-radius: 50%; background: var(--ok); }
@media (max-width: 980px) {
  .hero { padding: 48px 0 44px; }
  .hero__in { grid-template-columns: 1fr; gap: 34px; }
}

/* --------------------------------------------------------------- Anatomy */
.anatomy { border: 1px solid var(--code-br); border-radius: var(--r-lg); background: var(--code-bg); overflow: hidden; box-shadow: var(--sh-lg); }
.anatomy__bar { display: flex; align-items: center; gap: 7px; padding: 12px 16px; border-bottom: 1px solid var(--code-br); background: rgba(255,255,255,.03); }
.anatomy__dot { width: 10px; height: 10px; border-radius: 50%; background: #33425f; }
.anatomy__name { margin-left: 8px; font-family: var(--ff-mono); font-size: 12.5px; color: #8fa3c8; }
.anatomy__body { padding: 18px 20px; font-family: var(--ff-mono); font-size: 13.4px; line-height: 1.85; color: var(--code-fg); overflow-x: auto; max-width: 100%; }
@media (max-width: 520px) { .anatomy__body { font-size: 11.8px; padding: 14px; } }
.anatomy__row { display: block; white-space: pre; }
.an-h1   { color: #7dd3fc; font-weight: 500; }
.an-quote{ color: #a5f3c0; }
.an-text { color: #9db0cf; }
.an-h2   { color: #f0b968; font-weight: 500; }
.an-link { color: #c4b5fd; }
.an-note { color: #7c8ba8; }
.anatomy__tags { display: flex; flex-wrap: wrap; gap: 8px; padding: 0 20px 18px; }
.an-tag { font-family: var(--ff-mono); font-size: 11.5px; padding: 3px 9px; border-radius: 100px;
  border: 1px solid var(--code-br); color: #8fa3c8; background: rgba(255,255,255,.04); }
.an-tag--req { color: #f0b968; border-color: rgba(240,185,104,.35); }

/* ------------------------------------------------------------- Інструмент */
.tool { margin: 30px 0; }
.tool__tabs { display: inline-flex; gap: 3px; padding: 4px; background: var(--bg-mute);
  border: 1px solid var(--border); border-radius: 10px; margin-bottom: 18px; }
.tool__tab {
  padding: 8px 18px; border-radius: 7px; border: 0; background: none;
  font-family: inherit; font-size: 14.5px; font-weight: 550; color: var(--text-2); cursor: pointer;
  transition: all var(--tr);
}
.tool__tab:hover { color: var(--text); }
.tool__tab.is-active { background: var(--surface); color: var(--text); box-shadow: var(--sh-sm); }

.field { margin-bottom: 16px; }
.field__label { display: block; font-size: 13.5px; font-weight: 600; color: var(--text-2); margin-bottom: 7px; }
.field__hint { font-size: 13px; color: var(--text-3); margin-top: 6px; }
.input, .select, .textarea {
  width: 100%; padding: 11px 14px; font-family: inherit; font-size: 15px;
  color: var(--text); background: var(--surface); border: 1px solid var(--border-str);
  border-radius: var(--r-sm); transition: border-color var(--tr), box-shadow var(--tr);
}
.input:focus, .select:focus, .textarea:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 16%, transparent);
}
.select { appearance: none; padding-right: 38px; cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 12px center; background-size: 16px; }
.textarea { font-family: var(--ff-mono); font-size: 13.5px; line-height: 1.7; min-height: 220px; resize: vertical; }
.row { display: grid; grid-template-columns: 1fr auto; gap: 12px; align-items: end; }
@media (max-width: 640px) { .row { grid-template-columns: 1fr; } }

/* Редактор коду з нумерацією */
.editor {
  position: relative; display: flex;
  border: 1px solid var(--border-str); border-radius: var(--r-sm);
  background: var(--code-bg); overflow: hidden;
  transition: border-color var(--tr), box-shadow var(--tr);
}
.editor:focus-within { border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 16%, transparent); }
.editor__gutter {
  flex: none; width: 52px; padding: 14px 10px 14px 0; margin: 0;
  font-family: var(--ff-mono); font-size: 13.3px; line-height: 1.72;
  color: var(--code-gut); text-align: right; user-select: none;
  background: rgba(255,255,255,.025); border-right: 1px solid var(--code-br);
  overflow: hidden; white-space: pre;
}
.editor__gutter b { display: block; font-weight: 400; }
.editor__gutter b.is-err { color: #f4707b; background: rgba(244,112,123,.14); font-weight: 600; }
.editor__gutter b.is-warn { color: #f0a92e; background: rgba(240,169,46,.13); font-weight: 600; }
.editor__area {
  flex: 1; padding: 14px 16px; margin: 0; min-height: 300px;
  font-family: var(--ff-mono); font-size: 13.3px; line-height: 1.72;
  color: var(--code-fg); background: none; border: 0; resize: vertical;
  white-space: pre; overflow-wrap: normal; overflow-x: auto; tab-size: 2;
}
.editor__area:focus { outline: none; }
.editor__area::placeholder { color: #4a5878; }
.editor__bar { display: flex; align-items: center; gap: 12px; padding: 8px 14px;
  border-top: 1px solid var(--code-br); background: rgba(255,255,255,.03);
  font-family: var(--ff-mono); font-size: 12px; color: #8fa3c8; }
.editor__bar .sp { margin-left: auto; }
.editor__wrap { display: flex; flex-direction: column; }

/* Результат */
.result { margin-top: 26px; display: none; }
.result.is-on { display: block; animation: fadeUp .3s ease; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

.score {
  display: grid; grid-template-columns: auto 1fr; gap: 24px; align-items: center;
  padding: 22px 26px; border: 1px solid var(--border); border-radius: var(--r-lg);
  background: var(--surface); box-shadow: var(--sh-sm); margin-bottom: 20px;
}
.score__ring { position: relative; width: 108px; height: 108px; flex: none; }
.score__ring svg { transform: rotate(-90deg); }
.score__track { stroke: var(--border); }
.score__bar { stroke: var(--ok); stroke-linecap: round; transition: stroke-dashoffset .9s cubic-bezier(.4,0,.2,1), stroke .4s; }
.score__num {
  position: absolute; inset: 0; display: flex; flex-direction: column;
  align-items: center; justify-content: center; font-weight: 700; font-size: 30px;
  letter-spacing: -.03em; line-height: 1;
}
.score__num small { font-size: 11px; font-weight: 550; color: var(--text-3); letter-spacing: .04em; text-transform: uppercase; margin-top: 3px; }
.score__verdict { font-size: 20px; font-weight: 700; margin: 0 0 6px; letter-spacing: -.02em; }
.score__sub { font-size: 14.5px; color: var(--text-2); margin: 0 0 12px; }
.score__stats { display: flex; flex-wrap: wrap; gap: 8px; }
.score--ok   .score__bar { stroke: var(--ok); }
.score--warn .score__bar { stroke: var(--warn); }
.score--err  .score__bar { stroke: var(--err); }
.score--ok   .score__verdict { color: var(--ok); }
.score--warn .score__verdict { color: var(--warn); }
.score--err  .score__verdict { color: var(--err); }
@media (max-width: 640px) { .score { grid-template-columns: 1fr; text-align: center; justify-items: center; } }

.checks { border: 1px solid var(--border); border-radius: var(--r-lg); overflow: hidden; background: var(--surface); }
.checks__group { border-bottom: 1px solid var(--border); }
.checks__group:last-child { border-bottom: 0; }
.checks__gh { padding: 11px 18px; font-size: 12.5px; font-weight: 650; letter-spacing: .05em;
  text-transform: uppercase; color: var(--text-3); background: var(--bg-soft); border-bottom: 1px solid var(--border); }
.check { display: flex; gap: 13px; padding: 13px 18px; border-bottom: 1px solid var(--border); align-items: flex-start; }
.check:last-child { border-bottom: 0; }
.check__ico { flex: none; width: 20px; height: 20px; border-radius: 50%; margin-top: 1px;
  display: inline-flex; align-items: center; justify-content: center; font-size: 12px; font-weight: 700; color: #fff; }
.check--pass .check__ico { background: var(--ok); }
.check--warn .check__ico { background: var(--warn); }
.check--fail .check__ico { background: var(--err); }
.check--skip .check__ico { background: var(--text-3); }
.check__t { font-size: 14.8px; font-weight: 550; margin: 0 0 2px; }
.check__d { font-size: 13.8px; color: var(--text-2); margin: 0; }
.check__line { display: inline-block; font-family: var(--ff-mono); font-size: 12px;
  background: var(--bg-mute); border: 1px solid var(--border); border-radius: 4px;
  padding: 1px 6px; margin-left: 6px; color: var(--text-2); }
.check__code { display: block; margin-top: 7px; font-family: var(--ff-mono); font-size: 12.4px;
  background: var(--code-bg); color: var(--code-fg); border-radius: 6px; padding: 8px 11px;
  overflow-x: auto; white-space: pre; border: 1px solid var(--code-br); }

.msg { padding: 14px 18px; border-radius: var(--r); font-size: 14.5px; margin-bottom: 18px; display: none; }
.msg.is-on { display: block; }
.msg--err { background: var(--err-bg); color: var(--err); border: 1px solid color-mix(in srgb, var(--err) 28%, transparent); }
.msg--info { background: var(--accent-bg); color: var(--accent-h); border: 1px solid var(--accent-br); }

/* Підсвітка рядків robots.txt */
.rline { display: block; padding: 0 6px; border-radius: 3px; margin: 0 -6px; }
.rline--match-block { background: rgba(217,45,58,.16); color: #ffb3ba; box-shadow: inset 2px 0 0 var(--err); }
.rline--match-allow { background: rgba(18,161,80,.16); color: #9ce8bd; box-shadow: inset 2px 0 0 var(--ok); }
.rline--group { background: rgba(58,99,240,.13); box-shadow: inset 2px 0 0 var(--accent); }
.rline--dim { opacity: .48; }

/* --------------------------------------------------------------- Цитати */
.quote {
  border: 1px solid var(--border); border-radius: var(--r-lg);
  background: var(--surface); overflow: hidden; margin-bottom: 20px;
}
.quote__head { display: flex; flex-wrap: wrap; align-items: center; gap: 10px;
  padding: 14px 20px; border-bottom: 1px solid var(--border); background: var(--bg-soft); }
.quote__org { font-weight: 650; font-size: 15.5px; letter-spacing: -.01em; }
.quote__date { margin-left: auto; font-size: 13px; color: var(--text-3); font-variant-numeric: tabular-nums; }
.quote__body { padding: 20px; }
.quote__who { font-size: 13.5px; color: var(--text-3); margin: 0 0 12px; }
.quote__en {
  margin: 0 0 14px; padding: 14px 18px; border-left: 3px solid var(--accent-br);
  background: var(--bg-soft); border-radius: 0 var(--r-sm) var(--r-sm) 0;
  font-size: 15px; line-height: 1.6; color: var(--text);
}
.quote__en + .quote__en { margin-top: -4px; }
.quote__uk { font-size: 14.8px; color: var(--text-2); margin: 0 0 14px; padding-left: 18px; border-left: 3px solid var(--border); }
.quote__note { font-size: 13.8px; color: var(--text-2); margin: 14px 0 0; padding-top: 14px; border-top: 1px dashed var(--border); }
.quote__src { display: inline-flex; align-items: center; gap: 6px; font-size: 13.5px; font-family: var(--ff-mono); word-break: break-all; }
.quote--supports { border-left: 3px solid var(--ok); }
.quote--rejects  { border-left: 3px solid var(--err); }
.quote--neutral  { border-left: 3px solid var(--accent); }
.quote--none     { border-left: 3px solid var(--text-3); }
.quote__code { font-family: var(--ff-mono); font-size: 13px; white-space: pre-wrap; }

/* ------------------------------------------------------------------ FAQ */
.faqlist { display: grid; gap: 12px; }
.faqitem {
  display: block; padding: 18px 22px; border: 1px solid var(--border);
  border-radius: var(--r); background: var(--surface); transition: all var(--tr);
}
.faqitem:hover { border-color: var(--accent-br); box-shadow: var(--sh); text-decoration: none; transform: translateY(-1px); }
.faqitem__q { font-size: 16.5px; font-weight: 650; color: var(--text); margin: 0 0 6px; letter-spacing: -.015em; }
.faqitem:hover .faqitem__q { color: var(--accent); }
.faqitem__a { font-size: 14.5px; color: var(--text-2); margin: 0; line-height: 1.6; }

/* ------------------------------------------------------------- Наступні */
.nextnav { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px,1fr)); gap: 14px; margin-top: 46px; padding-top: 32px; border-top: 1px solid var(--border); }
.nextnav__i { display: block; padding: 16px 20px; border: 1px solid var(--border); border-radius: var(--r); background: var(--surface); transition: all var(--tr); }
.nextnav__i:hover { border-color: var(--accent-br); box-shadow: var(--sh); text-decoration: none; }
.nextnav__l { display: block; font-size: 12px; text-transform: uppercase; letter-spacing: .07em; color: var(--text-3); margin-bottom: 5px; font-weight: 600; }
.nextnav__t { font-size: 15.5px; font-weight: 600; color: var(--text); }
.nextnav__i:hover .nextnav__t { color: var(--accent); }

/* ---------------------------------------------------------------- Футер */
.ftr { border-top: 1px solid var(--border); background: var(--bg-soft); padding: 52px 0 28px; margin-top: 72px; }
.ftr__grid { display: grid; grid-template-columns: 2.1fr repeat(4, 1fr); gap: 34px; margin-bottom: 38px; }
@media (max-width: 1080px) { .ftr__grid { grid-template-columns: 1fr 1fr 1fr; } .ftr__col--brand { grid-column: 1 / -1; } }
@media (max-width: 620px) { .ftr__grid { grid-template-columns: 1fr 1fr; } }
.logo--ftr { margin-bottom: 14px; }
.ftr__about { font-size: 14px; color: var(--text-2); margin: 0 0 12px; max-width: 380px; line-height: 1.62; }
.ftr__rev { font-size: 13px; color: var(--text-3); margin: 0; }
.ftr__h { font-size: 12.5px; font-weight: 650; text-transform: uppercase; letter-spacing: .07em; color: var(--text-3); margin: 0 0 13px; }
.ftr__list { list-style: none; margin: 0; padding: 0; }
.ftr__list li { margin-bottom: 8px; }
.ftr__list a { font-size: 14.2px; color: var(--text-2); }
.ftr__list a:hover { color: var(--accent); }
.ftr__bottom { padding-top: 22px; border-top: 1px solid var(--border); font-size: 13.2px; color: var(--text-3); display: flex; flex-wrap: wrap; gap: 6px 32px; justify-content: space-between; }
.ftr__bottom p { margin: 0; }

/* --------------------------------------------------------------- Утиліти */
.tac { text-align: center; }
.mb0 { margin-bottom: 0 !important; }
.mt0 { margin-top: 0 !important; }
.mt3 { margin-top: 30px; }
.muted { color: var(--text-2); }
.mono { font-family: var(--ff-mono); }
.nowrap { white-space: nowrap; }
.stack > * + * { margin-top: 14px; }
.hr-soft { border: 0; border-top: 1px dashed var(--border); margin: 2em 0; }
.pill-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 14px 0; }
.legend { display: flex; flex-wrap: wrap; gap: 8px 18px; font-size: 13.2px; color: var(--text-3); margin: 12px 0 0; }
.legend span { display: inline-flex; align-items: center; gap: 6px; }
.legend i { width: 10px; height: 10px; border-radius: 3px; display: inline-block; }

@media print {
  .hdr, .ftr, .crumbs, .nextnav, .code__copy, .theme, .burger { display: none !important; }
  body { font-size: 11pt; }
  a::after { content: ' (' attr(href) ')'; font-size: 9pt; color: #666; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}