/* ТГ-Агент — сайт: общие токены, шапка, подвал, кнопки, тексты, блог. Палитра лендинга: тёплая бумага, чернила, оранжевый. */
:root {
  --bg: #EAE4D5;
  --bg-2: #F7F4EC;
  --paper: #FEFCF6;
  --ink: #14120F;
  --ink-2: #4A453C;
  --muted: #6E695D;
  --faint: #8C8676;
  --cream: #F5F1E6;
  --line: rgba(20, 18, 15, .09);
  --line-2: rgba(20, 18, 15, .16);
  --accent: oklch(0.62 0.17 45);
  --accent-ink: oklch(0.55 0.15 45);
  --accent-soft: oklch(0.72 0.13 45);
  --ok: oklch(0.6 0.13 150);
  --danger: oklch(0.55 0.18 25);
  --display: 'Bricolage Grotesque', 'Golos Text', system-ui, sans-serif;
  --text: 'Golos Text', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, 'Cascadia Mono', monospace;
  --gutter: clamp(16px, 4vw, 36px);
  --shadow-card: 2px 2px 0 rgba(20, 18, 15, .05);
  --shadow-block: 14px 14px 0 rgba(20, 18, 15, .08);
  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--text); font-size: 16px; line-height: 1.5;
  -webkit-font-smoothing: antialiased; overflow-x: hidden; }
img, svg { max-width: 100%; }
a { color: var(--accent-ink); text-decoration: none; }
a:hover { color: oklch(0.45 0.15 45); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }
button { font: inherit; color: inherit; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: -9999px; top: 8px; background: var(--ink); color: var(--cream); padding: 8px 12px; border-radius: 6px; z-index: 100; }
.skip:focus { left: 8px; }

@keyframes pulse { 0%, 100% { opacity: .45; transform: scale(1); } 50% { opacity: 1; transform: scale(1.3); } }
@keyframes blink { 0%, 49% { opacity: 1; } 50%, 100% { opacity: 0; } }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes rise { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}

.wrap { max-width: 1180px; margin: 0 auto; padding-left: var(--gutter); padding-right: var(--gutter); }
.wrap.narrow { max-width: 760px; }

/* типографика */
.eyebrow { font-family: var(--mono); font-size: 11px; font-weight: 600; letter-spacing: .22em; color: var(--accent-ink); text-transform: uppercase; }
.h1 { margin: 14px 0 0; font-family: var(--display); font-weight: 800; font-size: clamp(32px, 5.2vw, 54px); line-height: 1.02; letter-spacing: -1.4px; text-wrap: balance; }
.h2 { margin: 14px 0 0; font-family: var(--display); font-weight: 800; font-size: clamp(28px, 4.4vw, 46px); line-height: 1.04; letter-spacing: -1.3px; text-wrap: balance; }
.lead { margin: 16px 0 0; font-size: clamp(15px, 1.7vw, 19px); line-height: 1.55; color: var(--ink-2); text-wrap: pretty; }
.note { color: var(--muted); font-size: 14px; }

/* кнопки */
.btn-ink, .btn-accent, .btn-line { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 40px;
  padding: 9px 16px; border-radius: 8px; font-weight: 600; font-size: 14px; border: 1px solid transparent; cursor: pointer; transition: transform .12s ease, background .15s ease; }
.btn-ink { background: var(--ink); color: var(--cream); }
.btn-ink:hover { color: var(--cream); background: #2A2620; }
.btn-accent { background: var(--accent); color: #fff; }
.btn-accent:hover { color: #fff; background: oklch(0.57 0.17 45); }
.btn-line { background: rgba(255, 255, 255, .42); color: var(--ink-2); border-color: var(--line-2); }
.btn-line:hover { color: var(--ink); background: var(--paper); }
.btn-ink:active, .btn-accent:active, .btn-line:active { transform: translateY(1px); }

/* шапка */
.nav { position: sticky; top: 0; z-index: 40; background: rgba(234, 228, 213, .88); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-bottom: 1px solid var(--line); }
.nav-row { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 22px; padding-top: 12px; padding-bottom: 12px; }
.nav-gap { flex: 1 1 20px; }
.logo { display: flex; align-items: center; gap: 12px; color: var(--ink); }
.logo:hover { color: var(--ink); }
.logo-mark { box-sizing: border-box; width: 36px; height: 36px; min-width: 36px; min-height: 36px; flex: 0 0 36px; align-self: center; border-radius: 10px; background: linear-gradient(120deg, oklch(0.6 0.18 32), oklch(0.66 0.16 50) 55%, oklch(0.74 0.14 72)); display: grid; place-items: center; }
.logo-mark svg { display: block; flex: none; width: 22px; height: 22px; }
.logo-name { font-family: var(--display); font-size: 18px; font-weight: 800; letter-spacing: -.3px; }
.nav-links { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font-family: var(--mono); font-size: 12px; font-weight: 600; }
.chip-link { color: var(--ink-2); padding: 8px 13px; border-radius: 7px; border: 1px solid var(--line-2); background: rgba(255, 255, 255, .42); }
.chip-link:hover { color: var(--ink); background: var(--paper); }
.nav .btn-ink { font-family: var(--mono); font-size: 12px; min-height: 0; padding: 9px 15px; border-radius: 7px; }
@media (max-width: 720px) {
  .nav-links .chip-link { display: none; }
  .nav-row { flex-wrap: nowrap; gap: 10px 12px; }
  .logo { min-width: 0; gap: 10px; }
  .logo-name { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .nav-links { flex: none; flex-wrap: nowrap; }
  .nav-links .chip-link[href="/blog"] { display: inline-block; }
}
@media (max-width: 360px) {
  .nav .btn-ink { padding: 9px 12px; }
}

/* подвал */
.foot { border-top: 1px solid rgba(20, 18, 15, .1); }
.foot-row { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px 24px; padding-top: 24px; padding-bottom: 32px; font-size: 13px; color: var(--muted); }
.foot-brand { font-family: var(--display); font-size: 16px; font-weight: 700; color: var(--ink); }
.foot-links { display: flex; flex-wrap: wrap; gap: 8px 18px; }
.foot-links a { color: var(--muted); }
.foot-links a:hover { color: var(--ink); }

/* вход, 404, документы */
.login-page { padding: clamp(32px, 7vw, 88px) 0 clamp(48px, 8vw, 96px); }
.login-mount { display: flex; justify-content: center; }
.login-after { text-align: center; color: var(--muted); font-size: 14px; margin-top: 22px; }
.nf, .prose-page { padding: clamp(40px, 8vw, 96px) 0; }
.nf-links { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }

/* текст статьи и документов */
.prose { margin-top: 28px; font-size: 17px; line-height: 1.7; color: #24211C; }
.prose > * + * { margin-top: 1em; }
.prose p, .prose ul, .prose ol { margin: 0; }
.prose * + p, .prose * + ul, .prose * + ol { margin-top: 1em; }
.prose h2 { font-family: var(--display); font-size: clamp(23px, 2.8vw, 30px); font-weight: 800; letter-spacing: -.6px; line-height: 1.15; margin: 1.9em 0 0; scroll-margin-top: 90px; }
.prose h3 { font-family: var(--display); font-size: 20px; font-weight: 700; letter-spacing: -.3px; margin: 1.6em 0 0; scroll-margin-top: 90px; }
.prose ul, .prose ol { padding-left: 1.3em; }
.prose li + li { margin-top: .45em; }
.prose a { text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; }
.prose blockquote { margin: 1.4em 0 0; padding: 14px 18px; background: var(--paper); border-left: 3px solid var(--accent); border-radius: 0 10px 10px 0; color: var(--ink-2); }
.prose blockquote > :first-child { margin-top: 0; }
.prose code { font-family: var(--mono); font-size: .86em; background: rgba(20, 18, 15, .06); padding: 2px 5px; border-radius: 4px; }
.prose pre { background: var(--ink); color: var(--cream); padding: 16px; border-radius: 10px; overflow-x: auto; font-size: 14px; }
.prose pre code { background: none; padding: 0; color: inherit; }
.prose img { border-radius: 12px; height: auto; display: block; }
.prose hr { border: 0; border-top: 1px solid var(--line-2); margin: 2em 0; }
.prose .table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.prose table { border-collapse: collapse; width: 100%; font-size: 15px; background: var(--paper); border-radius: 10px; overflow: hidden; }
.prose th, .prose td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
.prose th { font-weight: 600; background: var(--bg-2); }

/* блог: список */
.blog-head { padding: clamp(36px, 7vw, 80px) 0 clamp(18px, 3vw, 30px); }
.tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 20px; font-family: var(--mono); font-size: 12px; font-weight: 600; }
.tag { color: var(--ink-2); padding: 6px 11px; border-radius: 7px; border: 1px solid var(--line-2); background: rgba(255, 255, 255, .42); }
.tag:hover, .tag.on { color: var(--cream); background: var(--ink); border-color: var(--ink); }
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); gap: 14px; padding-bottom: clamp(24px, 4vw, 40px); }
.card { display: flex; flex-direction: column; background: var(--paper); border: 1px solid var(--line); border-radius: 14px; box-shadow: var(--shadow-card);
  overflow: hidden; color: var(--ink); transition: transform .15s ease, box-shadow .15s ease; }
.card:hover { color: var(--ink); transform: translateY(-3px); box-shadow: 5px 5px 0 rgba(20, 18, 15, .08); }
.card-cover { aspect-ratio: 16 / 8; background: var(--ink); object-fit: cover; width: 100%; display: block; }
.card-cover.ph { background: var(--ink); position: relative; display: grid; place-items: center; color: var(--accent-soft); font-family: var(--display); font-weight: 800; font-size: 40px; }
.card-cover.ph::before { content: ''; position: absolute; inset: 0; background-image: repeating-linear-gradient(45deg, rgba(245, 241, 230, .06) 0 1px, transparent 1px 22px), repeating-linear-gradient(-45deg, rgba(245, 241, 230, .06) 0 1px, transparent 1px 22px); }
.card-body { padding: 16px 18px 18px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.card-title { font-family: var(--display); font-size: 20px; font-weight: 700; letter-spacing: -.3px; line-height: 1.2; margin: 0; }
.card-desc { font-size: 14.5px; color: var(--muted); line-height: 1.5; margin: 0; }
.card-meta { margin-top: auto; padding-top: 8px; font-family: var(--mono); font-size: 11px; color: var(--faint); }
.pager { display: flex; justify-content: space-between; gap: 12px; padding: 8px 0 clamp(48px, 7vw, 88px); }
.empty { padding: 40px 0 80px; color: var(--muted); }

/* блог: статья */
.article { padding: clamp(24px, 5vw, 56px) 0 clamp(40px, 6vw, 72px); }
.crumbs { font-family: var(--mono); font-size: 12px; color: var(--muted); display: flex; flex-wrap: wrap; gap: 6px; }
.crumbs a { color: var(--muted); }
.crumbs a:hover { color: var(--ink); }
.art-meta { margin-top: 16px; font-family: var(--mono); font-size: 12px; color: var(--muted); display: flex; flex-wrap: wrap; gap: 6px 14px; }
.art-cover { margin-top: 26px; width: 100%; height: auto; border-radius: 14px; display: block; box-shadow: var(--shadow-block); }
.toc { margin-top: 28px; background: var(--paper); border: 1px solid var(--line); border-radius: 12px; padding: 16px 20px; }
.toc b { font-family: var(--mono); font-size: 11px; letter-spacing: .18em; color: var(--faint); font-weight: 600; }
.toc ol { margin: 10px 0 0; padding-left: 1.2em; font-size: 15px; line-height: 1.55; }
.toc li + li { margin-top: 4px; }
.faq { margin-top: 2.2em; }
.faq details { background: var(--paper); border: 1px solid var(--line); border-radius: 12px; padding: 14px 18px; }
.faq details + details { margin-top: 8px; }
.faq summary { cursor: pointer; font-weight: 600; font-size: 16px; }
.faq details p { margin: 10px 0 0; color: var(--ink-2); }
.try { margin-top: 44px; background: var(--ink); color: var(--cream); border-radius: 16px; padding: clamp(20px, 4vw, 32px); box-shadow: 8px 8px 0 var(--accent); }
.try h2 { margin: 0; font-family: var(--display); font-size: clamp(22px, 3vw, 28px); font-weight: 800; letter-spacing: -.5px; line-height: 1.15; }
.try p { margin: 8px 0 0; color: #CFC9BC; font-size: 15px; }
.try form { margin-top: 16px; display: flex; gap: 8px; flex-wrap: wrap; }
.try textarea { flex: 1 1 260px; min-height: 52px; resize: vertical; border: 1px solid rgba(245, 241, 230, .2); background: rgba(245, 241, 230, .06);
  color: var(--cream); border-radius: 10px; padding: 12px 14px; font: inherit; font-size: 15px; }
.try textarea::placeholder { color: #8F897C; }
.try textarea:focus { outline: none; border-color: var(--accent); }
.related { margin-top: 48px; }
.related h2 { font-family: var(--display); font-size: 24px; font-weight: 800; letter-spacing: -.5px; margin: 0 0 16px; }