/* ============================================================
   Мастер-класс: Grok Bot и Hermes Agent
   Автор сайта: Дмитрий Жечков — https://t.me/llm_notes
   ============================================================ */

:root {
  --bg: #070b14;
  --bg-soft: #0c1220;
  --bg-card: rgba(19, 27, 45, 0.72);
  --bg-card-solid: #121a2b;
  --border: rgba(122, 148, 200, 0.18);
  --border-strong: rgba(122, 148, 200, 0.34);
  --txt: #e8eefc;
  --txt-dim: #a7b4cf;
  --txt-mute: #7c8aa8;
  --grok: #7c5cff;
  --grok-2: #a78bfa;
  --hermes: #16c8a8;
  --hermes-2: #4ee0c4;
  --accent: #f59e0b;
  --danger: #f4526b;
  --ok: #34d399;
  --radius: 18px;
  --radius-sm: 12px;
  --shadow: 0 18px 46px rgba(2, 6, 20, 0.55);
  --maxw: 1180px;
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

html[data-theme="light"] {
  --bg: #f5f7fc;
  --bg-soft: #ffffff;
  --bg-card: rgba(255, 255, 255, 0.86);
  --bg-card-solid: #ffffff;
  --border: rgba(31, 51, 92, 0.14);
  --border-strong: rgba(31, 51, 92, 0.26);
  --txt: #101a2e;
  --txt-dim: #46567a;
  --txt-mute: #6c7a99;
  --grok: #6a3fff;
  --grok-2: #7c5cff;
  --hermes: #059e83;
  --hermes-2: #0bbd9d;
  --shadow: 0 14px 38px rgba(23, 42, 84, 0.12);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 82px; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--txt);
  line-height: 1.68;
  font-size: 17px;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(760px 460px at 12% -6%, rgba(124, 92, 255, 0.22), transparent 62%),
    radial-gradient(700px 460px at 92% 4%, rgba(22, 200, 168, 0.16), transparent 60%),
    radial-gradient(900px 620px at 50% 108%, rgba(245, 158, 11, 0.10), transparent 62%);
  pointer-events: none;
}

img { max-width: 100%; height: auto; }

a { color: var(--grok-2); text-decoration: none; }
a:hover { text-decoration: underline; }

html[data-theme="light"] a { color: var(--grok); }

/* Внешние ссылки — иконка */
a.ext::after {
  content: "↗";
  font-size: 0.78em;
  margin-left: 3px;
  opacity: 0.75;
  display: inline-block;
}

h1, h2, h3, h4 { line-height: 1.22; margin: 0 0 0.6em; font-weight: 800; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.6rem, 3.6vw, 2.35rem); }
h3 { font-size: clamp(1.2rem, 2.4vw, 1.5rem); font-weight: 750; }
h4 { font-size: 1.06rem; font-weight: 700; }
p { margin: 0 0 1.05em; }

code {
  font-family: var(--mono);
  font-size: 0.88em;
  background: rgba(124, 92, 255, 0.13);
  border: 1px solid var(--border);
  padding: 0.12em 0.42em;
  border-radius: 6px;
  color: var(--grok-2);
  word-break: break-word;
}
html[data-theme="light"] code { color: #5b34d6; }

pre {
  background: #0a0f1c;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px 18px;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 13.5px;
  line-height: 1.6;
  color: #d6e2ff;
  margin: 0 0 1.1em;
  position: relative;
}
pre code { background: none; border: none; padding: 0; color: inherit; font-size: inherit; }
html[data-theme="light"] pre { background: #101a2e; color: #dfe8ff; }

/* ---------- Layout ---------- */
.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }
.section { padding: 72px 0; position: relative; }
.section--alt { background: linear-gradient(180deg, transparent, rgba(12, 18, 32, 0.55) 12%, rgba(12, 18, 32, 0.55) 88%, transparent); }
html[data-theme="light"] .section--alt { background: linear-gradient(180deg, transparent, rgba(255,255,255,0.7) 12%, rgba(255,255,255,0.7) 88%, transparent); }

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 999;
  background: var(--grok); color: #fff; padding: 10px 16px; border-radius: 0 0 10px 0;
}
.skip-link:focus { left: 0; }

/* ---------- Progress + Nav ---------- */
#progress {
  position: fixed; top: 0; left: 0; height: 3px; width: 0%;
  background: linear-gradient(90deg, var(--grok), var(--hermes), var(--accent));
  z-index: 120; transition: width 0.12s linear;
}

.nav {
  position: sticky; top: 0; z-index: 100;
  backdrop-filter: blur(16px);
  background: rgba(7, 11, 20, 0.78);
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  border-bottom: 1px solid var(--border);
}
.nav__in { display: flex; align-items: center; gap: 14px; height: 62px; }
.nav__brand { display: flex; align-items: center; gap: 10px; font-weight: 800; letter-spacing: -0.02em; white-space: nowrap; color: var(--txt); }
.nav__brand:hover { text-decoration: none; }
.nav__logo {
  width: 32px; height: 32px; border-radius: 9px; flex: 0 0 auto;
  background: linear-gradient(135deg, var(--grok), var(--hermes));
  display: grid; place-items: center; font-size: 15px; color: #fff; font-weight: 900;
}
.nav__brand span { font-size: 15px; }
.nav__brand small { display: block; font-size: 11px; font-weight: 600; color: var(--txt-mute); letter-spacing: 0; }

.nav__links { display: flex; gap: 2px; margin-left: auto; align-items: center; flex-wrap: nowrap; }
.nav__links a {
  color: var(--txt-dim); font-size: 13.5px; font-weight: 600;
  padding: 7px 10px; border-radius: 9px; white-space: nowrap;
}
.nav__links a:hover, .nav__links a.active { color: var(--txt); background: rgba(124, 92, 255, 0.16); text-decoration: none; }

.icon-btn {
  width: 38px; height: 38px; flex: 0 0 auto;
  border-radius: 11px; border: 1px solid var(--border);
  background: var(--bg-card); color: var(--txt);
  display: grid; place-items: center; cursor: pointer; font-size: 15px;
  transition: 0.18s;
}
.icon-btn:hover { border-color: var(--border-strong); background: rgba(124, 92, 255, 0.16); }
#navToggle { display: none; margin-left: auto; }

.drawer {
  position: fixed; inset: 0; z-index: 110;
  background: rgba(4, 8, 18, 0.72); backdrop-filter: blur(6px);
  display: none;
}
.drawer.open { display: block; }
.drawer__panel {
  position: absolute; top: 0; right: 0; bottom: 0; width: min(320px, 84vw);
  background: var(--bg-card-solid); border-left: 1px solid var(--border);
  padding: 18px; overflow-y: auto;
  animation: slideIn 0.22s ease;
}
@keyframes slideIn { from { transform: translateX(100%); } to { transform: translateX(0); } }
.drawer__panel a {
  display: block; padding: 12px 12px; border-radius: 11px;
  color: var(--txt); font-weight: 600; font-size: 15px; border: 1px solid transparent;
}
.drawer__panel a:hover { background: rgba(124, 92, 255, 0.14); text-decoration: none; }
.drawer__head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.drawer__head strong { font-size: 14px; color: var(--txt-mute); text-transform: uppercase; letter-spacing: 0.08em; }

/* ---------- Hero ---------- */
.hero { padding: 66px 0 54px; position: relative; }
.hero__badges { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12.5px; font-weight: 700; letter-spacing: 0.01em;
  padding: 6px 12px; border-radius: 999px;
  border: 1px solid var(--border-strong); background: var(--bg-card); color: var(--txt-dim);
}
.chip--grok { border-color: rgba(124, 92, 255, 0.5); color: var(--grok-2); background: rgba(124, 92, 255, 0.12); }
.chip--hermes { border-color: rgba(22, 200, 168, 0.5); color: var(--hermes-2); background: rgba(22, 200, 168, 0.12); }
.chip--accent { border-color: rgba(245, 158, 11, 0.5); color: var(--accent); background: rgba(245, 158, 11, 0.12); }

.hero h1 {
  font-size: clamp(2.05rem, 5.6vw, 3.75rem);
  margin-bottom: 18px;
  letter-spacing: -0.035em;
}
.grad-grok { background: linear-gradient(120deg, var(--grok-2), #c4b5fd); -webkit-background-clip: text; background-clip: text; color: transparent; }
.grad-hermes { background: linear-gradient(120deg, var(--hermes), var(--hermes-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }

.hero__lead { font-size: clamp(1.02rem, 2vw, 1.2rem); color: var(--txt-dim); max-width: 800px; }
.hero__meta {
  display: flex; flex-wrap: wrap; gap: 10px 22px; align-items: center;
  margin: 26px 0 26px; padding: 16px 18px;
  border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--bg-card); box-shadow: var(--shadow);
}
.hero__meta div { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--txt-dim); }
.hero__meta i { color: var(--grok-2); }

.btn-row { display: flex; flex-wrap: wrap; gap: 12px; }
.btn {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 12px 20px; border-radius: 12px; font-weight: 700; font-size: 15px;
  border: 1px solid transparent; cursor: pointer; transition: 0.2s;
}
.btn:hover { text-decoration: none; transform: translateY(-2px); }
.btn--primary { background: linear-gradient(120deg, var(--grok), #5b34d6); color: #fff; box-shadow: 0 10px 26px rgba(124, 92, 255, 0.34); }
.btn--hermes { background: linear-gradient(120deg, var(--hermes), #0e9c83); color: #04231d; box-shadow: 0 10px 26px rgba(22, 200, 168, 0.28); }
.btn--ghost { background: var(--bg-card); border-color: var(--border-strong); color: var(--txt); }

/* Hero split cards */
.vs-grid { display: grid; grid-template-columns: 1fr auto 1fr; gap: 18px; align-items: stretch; margin-top: 38px; }
.vs-card {
  border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--bg-card); padding: 22px; box-shadow: var(--shadow);
  position: relative; overflow: hidden;
}
.vs-card::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 3px; }
.vs-card--grok::before { background: linear-gradient(90deg, var(--grok), transparent); }
.vs-card--hermes::before { background: linear-gradient(90deg, var(--hermes), transparent); }
.vs-card h3 { display: flex; align-items: center; gap: 10px; margin-bottom: 6px; }
.vs-card .tagline { color: var(--txt-mute); font-size: 13.5px; margin-bottom: 14px; }
.vs-card ul { margin: 0; padding-left: 20px; }
.vs-card li { margin-bottom: 7px; font-size: 14.6px; color: var(--txt-dim); }
.vs-mid { display: grid; place-items: center; }
.vs-mid span {
  width: 54px; height: 54px; border-radius: 50%;
  display: grid; place-items: center; font-weight: 900; font-size: 16px;
  background: var(--bg-card-solid); border: 1px solid var(--border-strong); color: var(--txt);
}

/* ---------- Generic cards / grids ---------- */
.grid { display: grid; gap: 18px; }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

.card {
  border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--bg-card); padding: 22px;
  transition: 0.22s; position: relative;
}
.card:hover { border-color: var(--border-strong); transform: translateY(-3px); box-shadow: var(--shadow); }
.card__ico {
  width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center;
  font-size: 17px; margin-bottom: 13px;
  background: rgba(124, 92, 255, 0.16); color: var(--grok-2); border: 1px solid rgba(124, 92, 255, 0.28);
}
.card__ico--h { background: rgba(22, 200, 168, 0.14); color: var(--hermes-2); border-color: rgba(22, 200, 168, 0.3); }
.card__ico--a { background: rgba(245, 158, 11, 0.14); color: var(--accent); border-color: rgba(245, 158, 11, 0.3); }
.card h4 { margin-bottom: 8px; }
.card p:last-child { margin-bottom: 0; }
.card p { font-size: 15px; color: var(--txt-dim); }

.section__head { max-width: 820px; margin-bottom: 34px; }
.section__kicker {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12.5px; font-weight: 800; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--grok-2); margin-bottom: 12px;
}
.section__kicker--h { color: var(--hermes-2); }
.section__kicker--a { color: var(--accent); }
.section__head p { color: var(--txt-dim); font-size: 1.02rem; margin-bottom: 0; }

/* Callouts */
.callout {
  border-left: 3px solid var(--grok);
  background: rgba(124, 92, 255, 0.09);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 16px 18px; margin: 0 0 20px;
  font-size: 15.4px;
}
.callout p:last-child { margin-bottom: 0; }
.callout--warn { border-left-color: var(--danger); background: rgba(244, 82, 107, 0.10); }
.callout--ok { border-left-color: var(--ok); background: rgba(52, 211, 153, 0.10); }
.callout--tip { border-left-color: var(--accent); background: rgba(245, 158, 11, 0.10); }
.callout--hermes { border-left-color: var(--hermes); background: rgba(22, 200, 168, 0.09); }
.callout__title { font-weight: 800; display: flex; align-items: center; gap: 8px; margin-bottom: 6px; }

/* Numbered steps */
.steps { counter-reset: st; display: grid; gap: 14px; }
.step {
  display: grid; grid-template-columns: 44px 1fr; gap: 16px;
  border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--bg-card); padding: 18px 20px;
}
.step::before {
  counter-increment: st; content: counter(st);
  width: 36px; height: 36px; border-radius: 11px;
  display: grid; place-items: center; font-weight: 900; font-size: 15px;
  background: linear-gradient(135deg, var(--grok), #5b34d6); color: #fff;
}
.step--h::before { background: linear-gradient(135deg, var(--hermes), #0e9c83); color: #04231d; }
.step h4 { margin-bottom: 6px; }
.step p { font-size: 15px; color: var(--txt-dim); margin-bottom: 0; }
.step p + p { margin-top: 8px; }

/* Accordions */
.acc { border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; background: var(--bg-card); }
.acc + .acc { margin-top: 12px; }
.acc__btn {
  width: 100%; text-align: left; cursor: pointer;
  background: none; border: 0; color: var(--txt);
  padding: 17px 20px; font-size: 16px; font-weight: 700; font-family: inherit;
  display: flex; align-items: center; gap: 12px;
}
.acc__btn i.arrow { margin-left: auto; transition: transform 0.24s; color: var(--txt-mute); font-size: 13px; }
.acc.open .acc__btn i.arrow { transform: rotate(180deg); }
.acc__num {
  width: 27px; height: 27px; flex: 0 0 auto; border-radius: 8px;
  display: grid; place-items: center; font-size: 12.5px; font-weight: 800;
  background: rgba(124, 92, 255, 0.18); color: var(--grok-2);
}
.acc--h .acc__num { background: rgba(22, 200, 168, 0.16); color: var(--hermes-2); }
.acc__body { max-height: 0; overflow: hidden; transition: max-height 0.32s ease; }
.acc__inner { padding: 2px 20px 20px; border-top: 1px solid var(--border); padding-top: 16px; }
.acc__inner p, .acc__inner li { font-size: 15.4px; color: var(--txt-dim); }
.acc__inner strong { color: var(--txt); }

/* Tabs */
.tabs { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 20px; }
.tab {
  padding: 9px 16px; border-radius: 11px; cursor: pointer; font-family: inherit;
  border: 1px solid var(--border); background: var(--bg-card); color: var(--txt-dim);
  font-weight: 700; font-size: 14px; transition: 0.18s;
}
.tab:hover { color: var(--txt); }
.tab.active { background: linear-gradient(120deg, var(--grok), #5b34d6); color: #fff; border-color: transparent; }
.tabs--h .tab.active { background: linear-gradient(120deg, var(--hermes), #0e9c83); color: #04231d; }
.tabpane { display: none; animation: fade 0.24s ease; }
.tabpane.active { display: block; }
@keyframes fade { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

/* Tables */
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); background: var(--bg-card); -webkit-overflow-scrolling: touch; }
table { width: 100%; border-collapse: collapse; min-width: 640px; font-size: 14.8px; }
thead th {
  text-align: left; padding: 14px 16px; font-size: 12.5px; text-transform: uppercase;
  letter-spacing: 0.07em; color: var(--txt-mute); border-bottom: 1px solid var(--border-strong);
  background: rgba(124, 92, 255, 0.07); white-space: nowrap;
}
tbody td { padding: 13px 16px; border-bottom: 1px solid var(--border); color: var(--txt-dim); vertical-align: top; }
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover td { background: rgba(124, 92, 255, 0.05); }
td strong, th strong { color: var(--txt); }
.col-grok { color: var(--grok-2) !important; }
.col-hermes { color: var(--hermes-2) !important; }
.hint-scroll { font-size: 12.5px; color: var(--txt-mute); margin-top: 8px; display: none; }

/* Verdict / pros-cons */
.pc { display: grid; gap: 18px; grid-template-columns: repeat(2, 1fr); }
.pc__box { border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; background: var(--bg-card); }
.pc__box h4 { display: flex; align-items: center; gap: 9px; }
.pc__box ul { margin: 0; padding-left: 20px; }
.pc__box li { margin-bottom: 8px; font-size: 15px; color: var(--txt-dim); }
.pc__box--plus h4 { color: var(--ok); }
.pc__box--minus h4 { color: var(--danger); }

/* Scenario picker */
.scen { display: grid; gap: 14px; }
.scen__item {
  border: 1px solid var(--border); border-radius: var(--radius); background: var(--bg-card);
  padding: 18px 20px; display: grid; grid-template-columns: 1fr auto; gap: 14px; align-items: center;
}
.scen__q { font-weight: 650; font-size: 15.4px; }
.scen__a { font-weight: 800; font-size: 13.5px; padding: 7px 14px; border-radius: 999px; white-space: nowrap; }
.scen__a--grok { background: rgba(124, 92, 255, 0.16); color: var(--grok-2); border: 1px solid rgba(124, 92, 255, 0.34); }
.scen__a--hermes { background: rgba(22, 200, 168, 0.14); color: var(--hermes-2); border: 1px solid rgba(22, 200, 168, 0.34); }
.scen__a--both { background: rgba(245, 158, 11, 0.14); color: var(--accent); border: 1px solid rgba(245, 158, 11, 0.34); }

/* Stat tiles */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.stat {
  border: 1px solid var(--border); border-radius: var(--radius); background: var(--bg-card);
  padding: 20px; text-align: center;
}
.stat b { display: block; font-size: clamp(1.5rem, 3.4vw, 2.1rem); font-weight: 900; letter-spacing: -0.03em; }
.stat span { font-size: 13.2px; color: var(--txt-mute); }

/* Timeline */
.tl { position: relative; padding-left: 30px; }
.tl::before { content: ""; position: absolute; left: 9px; top: 6px; bottom: 6px; width: 2px; background: linear-gradient(180deg, var(--grok), var(--hermes)); }
.tl__item { position: relative; padding-bottom: 22px; }
.tl__item::before {
  content: ""; position: absolute; left: -26px; top: 8px; width: 11px; height: 11px;
  border-radius: 50%; background: var(--bg); border: 2px solid var(--grok);
}
.tl__item h4 { margin-bottom: 4px; }
.tl__item p { font-size: 15px; color: var(--txt-dim); margin-bottom: 0; }

/* ---------- Transcript ---------- */
.tr-toolbar {
  display: grid; gap: 12px; grid-template-columns: 1fr auto;
  align-items: center; margin-bottom: 16px;
  position: sticky; top: 62px; z-index: 40;
  padding: 14px; border-radius: var(--radius);
  border: 1px solid var(--border);
  background: rgba(12, 18, 32, 0.92);
  background: color-mix(in srgb, var(--bg-soft) 92%, transparent);
  backdrop-filter: blur(14px);
}
.tr-search { position: relative; }
.tr-search i { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); color: var(--txt-mute); font-size: 14px; }
.tr-search input {
  width: 100%; padding: 12px 40px 12px 40px; border-radius: 12px;
  border: 1px solid var(--border); background: var(--bg-card-solid); color: var(--txt);
  font-family: inherit; font-size: 15px; outline: none;
}
.tr-search input:focus { border-color: var(--grok); }
.tr-search .clear {
  position: absolute; right: 8px; top: 50%; transform: translateY(-50%);
  border: 0; background: none; color: var(--txt-mute); cursor: pointer; font-size: 14px; padding: 6px;
}
.tr-filters { display: flex; gap: 8px; flex-wrap: wrap; }
.tr-count { font-size: 13px; color: var(--txt-mute); margin-bottom: 14px; }

.tr-layout { display: grid; grid-template-columns: 268px 1fr; gap: 24px; align-items: start; }
.tr-toc {
  position: sticky; top: 150px; max-height: calc(100vh - 180px); overflow-y: auto;
  border: 1px solid var(--border); border-radius: var(--radius); background: var(--bg-card); padding: 14px;
}
.tr-toc strong { display: block; font-size: 11.5px; text-transform: uppercase; letter-spacing: 0.1em; color: var(--txt-mute); margin-bottom: 10px; padding: 0 6px; }
.tr-toc a {
  display: block; padding: 8px 10px; border-radius: 9px; font-size: 13.4px;
  color: var(--txt-dim); font-weight: 600; border-left: 2px solid transparent;
}
.tr-toc a:hover { background: rgba(124, 92, 255, 0.1); color: var(--txt); text-decoration: none; }
.tr-toc a.on { background: rgba(124, 92, 255, 0.14); color: var(--txt); border-left-color: var(--grok); }
.tr-toc a[data-src="hermes"]:hover { background: rgba(22, 200, 168, 0.1); }
.tr-toc a[data-src="hermes"].on { background: rgba(22, 200, 168, 0.13); border-left-color: var(--hermes); }

.tr-body { min-width: 0; }
.tr-block { border: 1px solid var(--border); border-radius: var(--radius); background: var(--bg-card); margin-bottom: 14px; overflow: hidden; }
.tr-block.hidden { display: none; }
.tr-block__head {
  padding: 15px 18px; display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  border-bottom: 1px solid var(--border);
}
.tr-block__head h4 { margin: 0; font-size: 16.5px; }
.tr-tag {
  font-size: 11px; font-weight: 800; letter-spacing: 0.06em; text-transform: uppercase;
  padding: 4px 9px; border-radius: 6px; white-space: nowrap;
}
.tr-tag--grok { background: rgba(124, 92, 255, 0.18); color: var(--grok-2); }
.tr-tag--hermes { background: rgba(22, 200, 168, 0.16); color: var(--hermes-2); }
.tr-block__actions { margin-left: auto; display: flex; gap: 6px; }
.tr-mini {
  border: 1px solid var(--border); background: none; color: var(--txt-mute);
  border-radius: 8px; width: 32px; height: 32px; cursor: pointer; font-size: 12.5px;
}
.tr-mini:hover { color: var(--txt); border-color: var(--border-strong); }
.tr-block__body { padding: 16px 18px 18px; }
.tr-p { margin: 0 0 0.95em; font-size: 15.8px; color: var(--txt-dim); scroll-margin-top: 150px; }
.tr-p:last-child { margin-bottom: 0; }
.tr-p.q {
  border-left: 3px solid var(--accent); background: rgba(245, 158, 11, 0.08);
  padding: 12px 15px; border-radius: 0 10px 10px 0; font-style: italic; color: var(--txt);
}
.tr-block__body ul, .tr-block__body ol { margin: 0 0 1em; padding-left: 22px; }
.tr-block__body li { font-size: 15.6px; color: var(--txt-dim); margin-bottom: 6px; }
mark { background: rgba(245, 158, 11, 0.42); color: inherit; border-radius: 3px; padding: 0 2px; }
mark.cur { background: var(--accent); color: #1a1204; }
.tr-empty { text-align: center; padding: 48px 20px; color: var(--txt-mute); }

/* Resources */
.res { display: grid; gap: 12px; grid-template-columns: repeat(2, 1fr); }
.res a {
  display: flex; gap: 13px; align-items: flex-start;
  border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 15px 17px;
  background: var(--bg-card); color: var(--txt); transition: 0.2s;
}
.res a:hover { text-decoration: none; border-color: var(--border-strong); transform: translateY(-2px); background: rgba(124, 92, 255, 0.08); }
.res i { color: var(--grok-2); font-size: 16px; margin-top: 3px; }
.res b { display: block; font-size: 15px; font-weight: 700; }
.res span { font-size: 13px; color: var(--txt-mute); word-break: break-word; }

/* Footer */
footer { border-top: 1px solid var(--border); padding: 40px 0 34px; margin-top: 20px; }
.foot { display: flex; gap: 18px; justify-content: space-between; flex-wrap: wrap; align-items: center; }
.foot p { margin: 0; font-size: 14px; color: var(--txt-mute); }
.foot a { font-weight: 650; }

#toTop {
  position: fixed; right: 18px; bottom: 18px; z-index: 90;
  width: 46px; height: 46px; border-radius: 50%; cursor: pointer;
  border: 1px solid var(--border-strong); background: var(--bg-card-solid); color: var(--txt);
  box-shadow: var(--shadow); display: none; place-items: center; font-size: 15px;
}
#toTop.show { display: grid; }

/* Reveal animation */
.rv { opacity: 0; transform: translateY(18px); transition: opacity 0.55s ease, transform 0.55s ease; }
.rv.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .rv { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .nav__links a { padding: 7px 8px; font-size: 13px; }
}
@media (max-width: 960px) {
  .nav__links { display: none; }
  #navToggle { display: grid; }
  .tr-layout { grid-template-columns: 1fr; }
  .tr-toc { position: static; max-height: none; display: none; }
  .tr-toc.mobile-open { display: block; }
  .vs-grid { grid-template-columns: 1fr; }
  .vs-mid { padding: 4px 0; }
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px) {
  body { font-size: 16.4px; }
  .section { padding: 54px 0; }
  .grid--2, .grid--3, .grid--4, .pc, .res { grid-template-columns: 1fr; }
  .hero { padding: 44px 0 40px; }
  .hero__meta { flex-direction: column; align-items: flex-start; gap: 10px; }
  .tr-toolbar { grid-template-columns: 1fr; top: 62px; }
  .hint-scroll { display: block; }
  .step { grid-template-columns: 36px 1fr; gap: 12px; padding: 16px; }
  .step::before { width: 30px; height: 30px; font-size: 13px; }
  .scen__item { grid-template-columns: 1fr; }
  .btn { width: 100%; justify-content: center; }
  .btn-row { gap: 10px; }
  .tr-p { font-size: 16px; }
  pre { font-size: 12.6px; padding: 13px 14px; }
  .wrap { padding: 0 15px; }
}
@media (max-width: 420px) {
  .nav__brand small { display: none; }
  .stats { grid-template-columns: 1fr; }
}

/* Print */
@media print {
  .nav, #progress, #toTop, .tr-toolbar, .tr-toc, .drawer { display: none !important; }
  body { background: #fff; color: #000; }
  .acc__body { max-height: none !important; }
}

/* ============================================================
   Схемы (инлайн-SVG) и видео из первоисточников
   ============================================================ */
figure.fig {
  margin: 26px 0;
  padding: 18px 18px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
  box-shadow: var(--shadow);
}
figure.fig svg { display: block; width: 100%; height: auto; }
figure.fig figcaption {
  margin-top: 12px;
  padding-top: 11px;
  border-top: 1px dashed var(--border-strong);
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--txt-mute);
}
figure.fig figcaption b { color: var(--txt-dim); font-weight: 700; }
figure.fig figcaption a { color: var(--grok-2); }
html[data-theme="light"] figure.fig figcaption a { color: var(--grok); }

/* Цветовые токены для SVG — переключаются вместе с темой */
.fig svg {
  --s-line: var(--border-strong);
  --s-txt: var(--txt);
  --s-dim: var(--txt-dim);
  --s-mute: var(--txt-mute);
  --s-card: var(--bg-card-solid);
}
.fig svg text { font-family: var(--font); fill: var(--s-txt); }
.fig svg .t-sm { font-size: 12px; fill: var(--s-dim); }
.fig svg .t-xs { font-size: 10.5px; fill: var(--s-mute); }
.fig svg .t-b { font-weight: 700; }
.fig svg .t-hd { font-size: 14px; font-weight: 800; }
.fig svg .t-mono { font-family: var(--mono); font-size: 11.5px; }
.fig svg .bx { fill: var(--s-card); fill-opacity: 1; stroke: var(--s-line); stroke-width: 1.5; }
/* ВАЖНО: заливка задаётся через fill + fill-opacity, а НЕ через color-mix().
   В SVG невалидное значение fill откатывается к чёрному непрозрачному,
   поэтому color-mix() здесь недопустим — в браузерах без его поддержки
   все боксы становились чёрными и закрывали текст. fill-opacity —
   базовый SVG-атрибут, работает везде и остаётся связанным с темой. */
.fig svg .bx-g { fill: var(--grok); fill-opacity: .14; stroke: var(--grok); stroke-width: 1.5; }
.fig svg .bx-h { fill: var(--hermes); fill-opacity: .14; stroke: var(--hermes); stroke-width: 1.5; }
.fig svg .bx-a { fill: var(--accent); fill-opacity: .14; stroke: var(--accent); stroke-width: 1.5; }
.fig svg .bx-d { fill: var(--danger); fill-opacity: .13; stroke: var(--danger); stroke-width: 1.5; }
.fig svg .bx-ok { fill: var(--ok); fill-opacity: .13; stroke: var(--ok); stroke-width: 1.5; }
.fig svg .dash { stroke-dasharray: 6 5; }
.fig svg .ln { stroke: var(--s-line); stroke-width: 1.6; fill: none; }
.fig svg .ln-g { stroke: var(--grok); stroke-width: 1.8; fill: none; }
.fig svg .ln-h { stroke: var(--hermes); stroke-width: 1.8; fill: none; }
.fig svg .ln-a { stroke: var(--accent); stroke-width: 1.8; fill: none; }
.fig svg .ln-d { stroke: var(--danger); stroke-width: 1.8; fill: none; }
.fig svg .ln-ok { stroke: var(--ok); stroke-width: 1.8; fill: none; }
.fig svg .fl-g { fill: var(--grok); }
.fig svg .fl-h { fill: var(--hermes); }
.fig svg .fl-a { fill: var(--accent); }
.fig svg .fl-d { fill: var(--danger); }
.fig svg .fl-ok { fill: var(--ok); }

/* Видео из первоисточников */
figure.vid {
  margin: 26px 0;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
  box-shadow: var(--shadow);
}
figure.vid video {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-sm);
  background: #060a12;
  border: 1px solid var(--border);
}
figure.vid figcaption {
  margin-top: 11px;
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--txt-mute);
}
figure.vid figcaption b { display: block; color: var(--txt-dim); font-size: 14.5px; margin-bottom: 3px; }
figure.vid figcaption a { color: var(--hermes-2); }
html[data-theme="light"] figure.vid figcaption a { color: var(--hermes); }
.vid-note {
  display: inline-flex; align-items: center; gap: 6px;
  margin-top: 8px; padding: 4px 10px;
  font-size: 12px; border-radius: 999px;
  background: rgba(245, 158, 11, 0.12);
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  border: 1px solid rgba(245, 158, 11, 0.4);
  border: 1px solid color-mix(in srgb, var(--accent) 40%, transparent);
  color: var(--accent);
}

/* Блок ссылок на скриншоты первоисточника */
.shots {
  display: grid; gap: 10px; grid-template-columns: repeat(2, 1fr);
  margin: 22px 0;
}
.shots a {
  display: flex; gap: 10px; align-items: flex-start;
  padding: 12px 14px; border: 1px solid var(--border);
  border-radius: var(--radius-sm); background: var(--bg-card);
  text-decoration: none; color: var(--txt); transition: 0.18s;
}
.shots a:hover { border-color: var(--border-strong); transform: translateY(-2px); text-decoration: none; }
.shots i { color: var(--accent); margin-top: 3px; }
.shots b { display: block; font-size: 14px; font-weight: 700; }
.shots span { font-size: 12.5px; color: var(--txt-mute); }

/* Подсказка о горизонтальной прокрутке схемы — только на узких экранах */
.fig__hint { display: none; }

@media (max-width: 860px) {
  figure.fig { padding: 12px 12px 10px; }
  figure.fig figcaption, figure.vid figcaption { font-size: 12.5px; }
  .shots { grid-template-columns: 1fr; }
  /* Схема не сжимается до нечитаемого размера, а прокручивается по горизонтали */
  figure.fig .fig__scroll {
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior-x: contain;
    scrollbar-width: thin;
    padding-bottom: 6px;
  }
  figure.fig .fig__scroll svg { min-width: 620px; }
  .fig__hint {
    display: inline-flex; align-items: center; gap: 6px;
    margin: 0 0 8px; padding: 3px 9px;
    font-size: 11.5px; border-radius: 999px;
    color: var(--txt-mute);
    background: rgba(124, 138, 168, 0.1);
    background: color-mix(in srgb, var(--txt-mute) 10%, transparent);
    border: 1px solid var(--border);
  }
  .fig svg .t-xs { font-size: 11px; }
  .fig svg .t-sm { font-size: 12.5px; }
}

/* ---- Наконечники стрелок в SVG-схемах (глобальный спрайт) ---- */
.mk    { fill: var(--border-strong); }
.mk-l  { fill: var(--border-strong); }
.mk-g  { fill: var(--grok-2); }
.mk-h  { fill: var(--hermes-2); }
.mk-a  { fill: var(--accent); }
.mk-d  { fill: var(--danger); }
.mk-ok { fill: var(--ok); }
html[data-theme="light"] .mk-g  { fill: var(--grok); }
html[data-theme="light"] .mk-h  { fill: var(--hermes); }

/* ---- Обёртка блока ссылок на скриншоты первоисточника ---- */
.shots-wrap { margin: 26px 0; }
.shots-intro {
  margin: 0 0 4px; font-size: 14.5px; color: var(--txt-dim);
}
.shots-intro i { color: var(--accent); margin-right: 6px; }
.shots a.shot-lnk { align-items: center; }
.shots a.shot-lnk span { font-size: 13.5px; color: var(--txt); font-weight: 600; }
.shots a.shot-lnk:hover span { color: var(--accent); }