/* шрифты: Manrope для текста и заголовков, JetBrains Mono для подписей как на чертеже */
@font-face { font-family: 'Manrope'; font-style: normal; font-weight: 400 800; font-display: swap;
  src: url(fonts/manrope-cyrillic.woff2) format('woff2'); unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116; }
@font-face { font-family: 'Manrope'; font-style: normal; font-weight: 400 800; font-display: swap;
  src: url(fonts/manrope-latin.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: 'JetBrains Mono'; font-style: normal; font-weight: 400 700; font-display: swap;
  src: url(fonts/jbmono-cyrillic.woff2) format('woff2'); unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116; }
@font-face { font-family: 'JetBrains Mono'; font-style: normal; font-weight: 400 700; font-display: swap;
  src: url(fonts/jbmono-latin.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }

/* Идея: страница — инженерный чертёж. Калька с сеткой, линии синими чернилами, оранжевые пометки.
   Тёмная тема — настоящая синька: синий фон и белые линии. */
:root {
  --paper: #F6F7F9; --sheet: #FFFFFF; --ink: #0E1730; --muted: #586179;
  --blue: #1F3FBF; --rule: rgba(31, 63, 191, 0.2); --rule-strong: rgba(31, 63, 191, 0.42);
  --grid: rgba(31, 63, 191, 0.05); --grid-major: rgba(31, 63, 191, 0.09);
  --tint: rgba(31, 63, 191, 0.06);
  --signal: #FF5A1F; --on-signal: #0E1730; --signal-ink: #CC3600;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --sans: Manrope, system-ui, -apple-system, 'Segoe UI', sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #0B1E4A; --sheet: #0F2557; --ink: #EAF0FF; --muted: #A9B8DD;
    --blue: #D2E0FF; --rule: rgba(210, 224, 255, 0.22); --rule-strong: rgba(210, 224, 255, 0.45);
    --grid: rgba(210, 224, 255, 0.05); --grid-major: rgba(210, 224, 255, 0.1);
    --tint: rgba(210, 224, 255, 0.08);
    --signal: #FF7A45; --on-signal: #0B1E4A; --signal-ink: #FF7A45;
  }
}
:root[data-theme="dark"] {
    --paper: #0B1E4A; --sheet: #0F2557; --ink: #EAF0FF; --muted: #A9B8DD;
    --blue: #D2E0FF; --rule: rgba(210, 224, 255, 0.22); --rule-strong: rgba(210, 224, 255, 0.45);
    --grid: rgba(210, 224, 255, 0.05); --grid-major: rgba(210, 224, 255, 0.1);
    --tint: rgba(210, 224, 255, 0.08);
    --signal: #FF7A45; --on-signal: #0B1E4A; --signal-ink: #FF7A45;
  }

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }
body { margin: 0; color: var(--ink); font: 400 16px/1.55 var(--sans); -webkit-font-smoothing: antialiased;
       background-color: var(--paper);
       background-image:
         linear-gradient(var(--grid-major) 1px, transparent 1px), linear-gradient(90deg, var(--grid-major) 1px, transparent 1px),
         linear-gradient(var(--grid) 1px, transparent 1px), linear-gradient(90deg, var(--grid) 1px, transparent 1px);
       background-size: 40px 40px, 40px 40px, 8px 8px, 8px 8px; }
h1, h2, h3, p, ul, ol, dl, dd, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
h1, h2 { font-weight: 800; letter-spacing: -0.035em; text-wrap: balance; }
h3 { font-weight: 700; letter-spacing: -0.015em; text-wrap: balance; }
p, li, dd { text-wrap: pretty; }
a { color: inherit; }
button { font: inherit; color: inherit; }
[hidden] { display: none !important; }
:focus-visible { outline: 2px solid var(--signal); outline-offset: 3px; border-radius: 4px; }
main:focus { outline: none; }
section[id], .brief { scroll-margin-top: 84px; }
.sr-only { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.mono { font-family: var(--mono); font-weight: 500; letter-spacing: 0; }

/* лист чертежа: белый лист с метками обреза по углам */
.sheet { position: relative; background-color: var(--sheet); border: 1px solid var(--rule); }
.sheet::before, .sheet::after { content: ''; position: absolute; width: 12px; height: 12px; pointer-events: none; }
.sheet::before { top: -5px; left: -5px; border-top: 1.5px solid var(--blue); border-left: 1.5px solid var(--blue); }
.sheet::after { bottom: -5px; right: -5px; border-bottom: 1.5px solid var(--blue); border-right: 1.5px solid var(--blue); }

/* кнопки */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; padding: 11px 18px;
       border: 1.5px solid transparent; border-radius: 8px; font: 700 15px/22px var(--sans); text-decoration: none; white-space: nowrap; cursor: pointer;
       transition: background-color 200ms var(--ease), border-color 200ms var(--ease), color 200ms var(--ease), transform 300ms var(--ease); }
.btn:active { transform: translateY(1px); }
.btn-sm { padding: 7px 14px; font-size: 14px; line-height: 20px; }
.btn-lg { padding: 14px 22px; font-size: 16px; }
.btn-icon { flex: none; margin-left: -2px; }
.btn-signal { background-color: var(--signal); color: var(--on-signal); }
.btn-signal:hover { background-color: color-mix(in srgb, var(--signal) 85%, var(--ink)); }
.btn-line { border-color: var(--blue); color: var(--blue); background-color: transparent; }
.btn-line:hover { background-color: var(--tint); }

.skip-link { position: fixed; z-index: 60; top: 12px; left: 12px; padding: 8px 12px; border-radius: 6px; background-color: var(--signal); color: var(--on-signal);
             font-weight: 700; text-decoration: none; transition: transform 300ms var(--ease); }
.skip-link:not(:focus) { transform: translateY(-96px); }

/* верхняя панель */
.nav-bar { position: fixed; z-index: 50; top: 12px; left: 12px; right: 12px; max-width: 1216px; margin-inline: auto;
           display: flex; align-items: center; gap: 12px; padding: 6px 6px 6px 16px; border: 1px solid var(--rule); border-radius: 10px;
           background-color: color-mix(in srgb, var(--paper) 82%, transparent);
           -webkit-backdrop-filter: blur(14px) saturate(1.4); backdrop-filter: blur(14px) saturate(1.4); }
.logo { display: inline-flex; align-items: center; gap: 8px; margin-right: auto; font: 800 18px/28px var(--sans); letter-spacing: -0.03em; text-decoration: none; }
.logo-tag { padding: 0 6px; border: 1px solid var(--blue); border-radius: 4px; color: var(--blue); font: 500 11px/18px var(--mono); letter-spacing: 0; }
.nav-links { display: none; }
.nav-links a { padding: 7px 10px; border-radius: 6px; color: var(--muted); font-size: 14px; line-height: 20px; font-weight: 600; text-decoration: none;
               transition: color 200ms var(--ease), background-color 200ms var(--ease); }
.nav-links a:hover, .nav-links a[aria-current="true"] { color: var(--ink); background-color: var(--tint); }
@media (min-width: 900px) { .nav-links { display: flex; gap: 2px; } }

/* ===== первый экран и бриф ===== */
main { padding-top: 88px; }
.hero { display: grid; gap: 28px; max-width: 1240px; margin-inline: auto; padding: 24px 16px 40px; }
.hero-mark, .section-mark { color: var(--blue); font-size: 12px; }
.hero h1 { margin-top: 12px; font-size: 40px; line-height: 1.02; }
.hero-lead { max-width: 34em; margin-top: 20px; color: var(--muted); font-size: 17px; line-height: 1.6; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.hero-art { display: block; width: 100%; height: 100%; color: var(--blue); }
@media (min-width: 640px) { .hero h1 { font-size: 54px; } }
@media (min-width: 1024px) {
  .hero { grid-template-columns: minmax(0, 6fr) minmax(0, 5fr); grid-template-areas: "copy brief" "board brief"; gap: 32px 48px; align-items: start; padding: 40px 24px 64px; }
  .hero-copy { grid-area: copy; }
  .bench { display: contents; }
  .board { grid-area: board; }
  .brief { grid-area: brief; position: sticky; top: 84px; margin-top: 8px; }
  .hero h1 { font-size: 66px; }
  .hero-lead { font-size: 18px; }
}

.brief { padding: 20px; }
.brief.is-flash { animation: flash 900ms var(--ease); }
@keyframes flash { 25% { box-shadow: 0 0 0 4px color-mix(in srgb, var(--signal) 45%, transparent); } }
.brief-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
.brief-head h2 { color: var(--blue); font-size: 13px; letter-spacing: 0; }
.brief-count { color: var(--muted); font-size: 12px; }
.brief-progress { display: grid; grid-template-columns: repeat(4, 1fr); gap: 4px; margin: 12px 0 20px; }
.brief-progress li { height: 4px; border-radius: 2px; background-color: var(--rule); transition: background-color 300ms var(--ease); }
.brief-progress li.is-now { background-color: var(--blue); }
.brief-progress li.is-done { background-color: var(--signal); }
.brief-q { font-size: 22px; line-height: 1.25; }
.brief-q:focus { outline: none; }
.brief-options { display: grid; gap: 8px; margin-top: 16px; }
.opt { display: flex; align-items: center; gap: 12px; width: 100%; padding: 13px 16px; border: 1px solid var(--rule-strong); border-radius: 8px;
       background-color: var(--sheet); text-align: left; font-weight: 600; font-size: 15px; line-height: 1.35; cursor: pointer;
       transition: border-color 200ms var(--ease), background-color 200ms var(--ease), color 200ms var(--ease), transform 300ms var(--ease); }
.opt::before { content: ''; flex: none; width: 14px; height: 14px; border: 1.5px solid var(--rule-strong); border-radius: 50%; transition: border-color 200ms var(--ease), background-color 200ms var(--ease); }
.opt:hover { border-color: var(--blue); background-color: var(--tint); }
.opt:hover::before { border-color: var(--blue); }
.opt[aria-pressed="true"] { border-color: var(--blue); background-color: var(--tint); }
.opt[aria-pressed="true"]::before { border-color: var(--signal); background-color: var(--signal); box-shadow: inset 0 0 0 2.5px var(--sheet); }
.brief-note { display: grid; gap: 6px; margin-top: 16px; font-size: 14px; font-weight: 700; }
.brief-note textarea { width: 100%; padding: 12px 14px; border: 1px solid var(--rule-strong); border-radius: 8px; background-color: var(--sheet); color: var(--ink);
                       font: 400 15px/1.5 var(--sans); resize: vertical; }
.brief-note textarea::placeholder { color: var(--muted); }
.brief-note textarea:focus-visible { outline: 2px solid var(--signal); outline-offset: 1px; }
.brief-nav { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 18px; min-height: 24px; }
.brief-back { padding: 6px 0; border: 0; background: none; color: var(--muted); font-weight: 600; font-size: 14px; cursor: pointer; text-decoration: underline; text-underline-offset: 4px; }
.brief-back:hover { color: var(--ink); }
@media (prefers-reduced-motion: no-preference) {
  .brief-step, .brief-result { animation: step-in 450ms var(--ease); }
}
@keyframes step-in { from { opacity: 0; transform: translateX(14px); } }
@media (min-width: 640px) { .brief { padding: 28px; } }

/* итог брифа */
.brief-chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }
.chip { padding: 4px 10px; border: 1px dashed var(--rule-strong); border-radius: 6px; background: none; font-size: 13px; font-weight: 600; cursor: pointer; }
.chip:hover { border-style: solid; border-color: var(--blue); color: var(--blue); }
.brief-info { display: grid; gap: 16px; margin-top: 18px; padding-top: 16px; border-top: 1px dashed var(--rule-strong); }
.brief-label { margin-bottom: 6px; color: var(--blue); font-size: 11px; }
.brief-includes { display: grid; gap: 4px; font-size: 14px; }
.brief-includes li { position: relative; padding-left: 16px; }
.brief-includes li::before { content: ''; position: absolute; left: 0; top: 0.62em; width: 8px; height: 1.5px; background-color: var(--signal); }
.brief-side { display: grid; align-content: start; gap: 2px; font-size: 14px; }
.brief-side .brief-label:not(:first-child) { margin-top: 10px; }
.brief-case { color: var(--blue); font-weight: 600; text-underline-offset: 3px; }
.brief-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 16px; margin-top: 20px; }
.brief-hint { margin-top: 12px; color: var(--muted); font-size: 12px; }
@media (min-width: 640px) { .brief-info { grid-template-columns: 1.3fr 1fr; } }

/* ===== верстак: чертёж проекта со штампом ===== */
.bench { display: grid; gap: 20px; scroll-margin-top: 76px; }
@media (min-width: 1024px) { .bench { display: contents; } }
.board { margin: 0; scroll-margin-top: 76px; }
.board-view { position: relative; height: 240px; overflow: hidden; cursor: crosshair; }
@media (min-width: 640px) { .board-view { height: 380px; } }
@media (min-width: 1024px) { .board-view { height: 420px; } }
.board-stamp { margin: 0 10px 10px; }
.board-stamp { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
.board-stamp > div:nth-child(2n) { border-right: 0; }
.board-stamp > div.wide { grid-column: auto; border-right: 1px solid var(--rule-strong); }
.board-stamp > div.sheet-no { border-right: 0; border-bottom: 0; }
.board-stamp > div.wide { border-bottom: 0; }
.board-stamp dd { transition: color 300ms var(--ease); }
.board-stamp dd.is-new { animation: stamp-in 700ms var(--ease); }
@keyframes stamp-in { 0% { color: var(--signal-ink); transform: translateY(4px); opacity: 0; } 40% { color: var(--signal-ink); opacity: 1; transform: none; } }
@media (min-width: 640px) {
  .board-stamp { grid-template-columns: repeat(4, minmax(0, 1fr)) 56px; }
  .board-stamp > div { border-right: 1px solid var(--rule-strong) !important; border-bottom: 1px solid var(--rule-strong) !important; }
  .board-stamp > div:nth-child(4) { border-right: 1px solid var(--rule-strong); }
  .board-stamp > div.wide { grid-column: 1 / 5; border-bottom: 0 !important; }
  .board-stamp > div.sheet-no { grid-column: 5; grid-row: 1 / 3; border-right: 0 !important; border-bottom: 0 !important; display: grid; align-content: center; }
  .board-stamp > div:nth-child(4) { border-right: 1px solid var(--rule-strong) !important; }
}

/* сборка: продукт проявляется за линией */
.product { position: absolute; inset: 0; display: grid; place-items: center; padding: 14px; background-color: var(--paper); }
.board-view.is-built .hero-art { opacity: 0; }
.board-view.is-assembling .hero-art { opacity: 1; }
.board-view.is-assembling .product { animation: reveal 1600ms cubic-bezier(0.65, 0, 0.35, 1) both; }
@keyframes reveal { from { clip-path: inset(0 100% 0 0); } to { clip-path: inset(0 0 0 0); } }
.scan { position: absolute; top: 0; bottom: 0; left: 0; width: 2px; background-color: var(--signal); opacity: 0; pointer-events: none; }
.scan span { position: absolute; bottom: 30px; left: 8px; padding: 1px 6px; border-radius: 4px; background-color: var(--signal); color: var(--on-signal); font-size: 11px; white-space: nowrap; }
.board-view.is-assembling .scan { opacity: 1; animation: scan 1600ms cubic-bezier(0.65, 0, 0.35, 1) both; }
@keyframes scan { from { left: 0; } to { left: calc(100% - 2px); } }
.board-switch { position: absolute; z-index: 2; top: 10px; right: 10px; display: flex; padding: 3px; border: 1px solid var(--rule-strong); border-radius: 8px; background-color: var(--sheet); }
.board-view.is-assembling .board-switch { opacity: 0; }
.board-switch { transition: opacity 300ms var(--ease); }
.board-switch button { padding: 3px 10px; border: 0; border-radius: 5px; background: none; color: var(--muted); font-size: 12px; cursor: pointer; }
.board-switch button[aria-pressed="true"] { background-color: var(--blue); color: var(--sheet); }
.p-cap { position: absolute; left: 12px; bottom: 8px; color: var(--muted); font-size: 10px; }
.p { width: 100%; height: 100%; display: grid; place-items: center; }

/* продукты — «настоящие» интерфейсы клиента: всегда светлые и цветные, в контраст чертежу */
.tg, .crm, .app, .site, .mlp { --p-ink: #111827; --p-muted: #6B7280; --p-line: #E5E7EB; --p-bg: #FFFFFF; --p-soft: #F3F4F6;
  color: var(--p-ink); font-size: 13px; line-height: 1.35; box-shadow: 0 1px 2px rgba(0,0,0,0.06), 0 12px 32px -12px rgba(15,23,42,0.25); }
.tg button, .crm button, .app button, .site button, .mlp button { font: inherit; cursor: pointer; }

.tg { --tg: #2AABEE; display: grid; grid-template-rows: auto 1fr auto auto; width: min(100%, 340px); height: 100%; max-height: 380px; border-radius: 16px; background-color: #DCEBF5; overflow: hidden; }
.tg-head { display: flex; align-items: center; gap: 10px; padding: 9px 12px; background-color: var(--p-bg); border-bottom: 1px solid var(--p-line); }
.tg-head div { display: grid; }
.tg-head span:not(.tg-ava) { color: var(--p-muted); font-size: 11px; }
.tg-ava { display: grid; place-items: center; width: 32px; height: 32px; border-radius: 50%; background-color: #E2683C; color: #fff; font-weight: 800; }
.tg-log { display: flex; flex-direction: column; gap: 6px; padding: 10px; overflow-y: auto; scroll-behavior: smooth; }
.tg-log > :first-child { margin-top: auto; }
.tg-msg { max-width: 82%; padding: 6px 10px; border-radius: 12px; animation: msg-in 260ms var(--ease); }
.tg-msg.bot { align-self: flex-start; background-color: var(--p-bg); border-bottom-left-radius: 4px; }
.tg-msg.me { align-self: flex-end; background-color: #E2F7C9; border-bottom-right-radius: 4px; }
@keyframes msg-in { from { opacity: 0; transform: translateY(6px); } }
.tg-typing { display: flex; gap: 4px; padding: 10px 12px; }
.tg-typing i { width: 5px; height: 5px; border-radius: 50%; background-color: var(--p-muted); animation: blink 600ms ease-in-out infinite alternate; }
.tg-typing i:nth-child(2) { animation-delay: 150ms; } .tg-typing i:nth-child(3) { animation-delay: 300ms; }
@keyframes blink { to { opacity: 0.25; } }
.tg-keys { display: flex; flex-wrap: wrap; gap: 5px; padding: 0 8px 6px; }
.tg-keys:empty { display: none; }
.tg-key { flex: 1 1 auto; padding: 7px 10px; border: 0; border-radius: 8px; background-color: rgba(255,255,255,0.85); color: var(--tg); font-weight: 700; transition: background-color 150ms; }
.tg-key:hover { background-color: #fff; }
.tg-input { display: flex; gap: 6px; padding: 7px 8px; background-color: var(--p-bg); border-top: 1px solid var(--p-line); }
.tg-input input { flex: 1; min-width: 0; padding: 6px 10px; border: 0; border-radius: 16px; background-color: var(--p-soft); color: var(--p-ink); font: inherit; }
.tg-input input:focus-visible { outline: 2px solid var(--tg); outline-offset: 0; }
.tg-send { display: grid; place-items: center; width: 30px; height: 30px; border: 0; border-radius: 50%; background-color: var(--tg); color: #fff; }

.crm { --c: #6D5DF5; display: grid; gap: 10px; width: min(100%, 420px); padding: 14px; border-radius: 14px; background-color: var(--p-bg); }
.crm-top, .mlp-top { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.crm-top strong, .mlp-top strong { font-size: 14px; }
.crm-tabs { display: flex; padding: 2px; border-radius: 8px; background-color: var(--p-soft); }
.crm-tab { padding: 4px 10px; border: 0; border-radius: 6px; background: none; color: var(--p-muted); font-weight: 600; font-size: 12px; }
.crm-tab[aria-pressed="true"] { background-color: var(--p-bg); color: var(--p-ink); box-shadow: 0 1px 2px rgba(0,0,0,0.08); }
.crm-kpis { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; }
.crm-kpi { display: grid; padding: 8px 10px; border-radius: 10px; background-color: var(--p-soft); }
.crm-kpi span { color: var(--p-muted); font-size: 11px; }
.crm-kpi strong { font-size: 18px; font-weight: 800; letter-spacing: -0.02em; }
.crm-chart, .mlp-chart { display: flex; align-items: flex-end; gap: 6px; height: 96px; }
.crm-col, .mlp-col { position: relative; flex: 1; display: grid; grid-template-rows: 1fr auto; height: 100%; gap: 4px; }
.crm-col i { align-self: end; height: var(--h); border-radius: 4px 4px 2px 2px; background-color: var(--c); transform-origin: bottom; animation: grow 600ms var(--ease) var(--d) both; }
.crm-col:last-child i { background-color: #F59E0B; }
.mlp-col span { grid-row: 2; grid-column: 1; }
.crm-col span, .mlp-col span { color: var(--p-muted); font-size: 10px; text-align: center; }
@keyframes grow { from { transform: scaleY(0); } }
.crm-rows { display: grid; }
.crm-rows li { display: grid; grid-template-columns: 1fr 1fr auto; align-items: center; gap: 8px; padding: 6px 0; border-top: 1px solid var(--p-line); }
.crm-muted { color: var(--p-muted); }
.crm-pill { padding: 1px 8px; border-radius: 999px; font-size: 11px; font-weight: 700; }
.crm-pill.is-work { background-color: #EDE9FE; color: #5B21B6; } .crm-pill.is-new { background-color: #FEF3C7; color: #92400E; } .crm-pill.is-done { background-color: #DCFCE7; color: #166534; }

.app { padding: 8px; border-radius: 30px; background-color: #111827; }
.app-screen { display: grid; grid-template-rows: auto 1fr auto; width: 200px; height: min(340px, calc(100% - 4px)); min-height: 250px; padding: 14px 10px 8px; border-radius: 23px; background-color: #F8FAFC; overflow: hidden; }
.app-title { font-size: 16px; margin-bottom: 8px; }
.app-content { display: grid; align-content: start; gap: 6px; overflow: hidden; }
.app-card { display: grid; grid-template-columns: 26px 1fr; grid-template-rows: auto auto; column-gap: 8px; padding: 7px; border-radius: 10px; background-color: var(--p-bg); box-shadow: 0 1px 2px rgba(0,0,0,0.05); animation: msg-in 260ms var(--ease); }
.app-thumb { grid-row: span 2; width: 26px; height: 26px; border-radius: 7px; background: linear-gradient(135deg, #0EA5E9, #6366F1); }
.app-card span:not(.app-pill) { font-weight: 600; font-size: 12px; }
.app-pill { justify-self: start; padding: 0 6px; border-radius: 999px; font-size: 10px; font-weight: 700; }
.app-pill.is-go { background-color: #E0F2FE; color: #075985; } .app-pill.is-wait { background-color: #FEF3C7; color: #92400E; } .app-pill.is-done { background-color: #DCFCE7; color: #166534; }
.app-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.app-tile { display: grid; gap: 2px; padding: 6px; border-radius: 10px; background-color: var(--p-bg); animation: msg-in 260ms var(--ease); }
.app-tile i { height: 38px; border-radius: 7px; background: linear-gradient(135deg, #FDE68A, #F59E0B); }
.app-tile span { font-size: 11px; font-weight: 600; } .app-tile b { font-size: 11px; color: #0EA5E9; }
.app-profile { display: grid; justify-items: center; gap: 2px; padding: 6px 0 4px; }
.app-ava { width: 40px; height: 40px; border-radius: 50%; background: linear-gradient(135deg, #0EA5E9, #6366F1); }
.app-profile span { color: var(--p-muted); font-size: 11px; }
.app-row { padding: 7px 8px; border-radius: 8px; background-color: var(--p-bg); font-size: 12px; font-weight: 600; }
.app-tabs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px; padding-top: 6px; margin-top: 6px; border-top: 1px solid var(--p-line); }
.app-tab { padding: 5px 0; border: 0; border-radius: 6px; background: none; color: var(--p-muted); font-size: 11px; font-weight: 600; }
.app-tab[aria-pressed="true"] { color: #0EA5E9; background-color: #E0F2FE; }

.site { width: min(100%, 440px); border-radius: 12px; background-color: var(--p-bg); overflow: hidden; }
.site-bar { display: flex; align-items: center; gap: 5px; padding: 7px 10px; background-color: var(--p-soft); }
.site-bar i { width: 8px; height: 8px; border-radius: 50%; background-color: #D1D5DB; }
.site-bar span { margin-left: 8px; padding: 1px 10px; border-radius: 6px; background-color: var(--p-bg); color: var(--p-muted); font-size: 11px; }
.site-page { display: grid; gap: 12px; padding: 12px 14px 16px; }
.site-nav { display: flex; align-items: center; gap: 12px; font-size: 12px; color: var(--p-muted); }
.site-nav strong { margin-right: auto; color: #7C2D12; font-size: 15px; }
.site-btn { padding: 5px 12px; border: 0; border-radius: 999px; background-color: #7C2D12; color: #fff; font-weight: 700; font-size: 12px; transition: transform 200ms var(--ease); }
.site-btn:hover { transform: translateY(-1px); }
.site-hero { display: grid; grid-template-columns: 1fr 96px; gap: 12px; align-items: center; padding: 14px; border-radius: 12px; background-color: #FFF7ED; }
.site-hero h4 { margin: 0 0 4px; font-size: 17px; line-height: 1.15; letter-spacing: -0.02em; }
.site-hero p { margin-bottom: 10px; color: var(--p-muted); font-size: 12px; }
.site-art { width: 96px; height: 96px; border-radius: 50%; background: radial-gradient(circle at 40% 35%, #FDBA74, #C2410C 70%); }
.site-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.site-card { display: grid; gap: 2px; padding: 8px; border: 1px solid var(--p-line); border-radius: 10px; transition: transform 200ms var(--ease); }
.site-card:hover { transform: translateY(-2px); }
.site-card i { height: 34px; border-radius: 7px; background: linear-gradient(135deg, #FED7AA, #FB923C); }
.site-card span { font-weight: 600; font-size: 12px; } .site-card b { color: #C2410C; font-size: 12px; }

.mlp { --m: #10B981; display: grid; gap: 10px; width: min(100%, 420px); padding: 14px; border-radius: 14px; background-color: var(--p-bg); }
.mlp-chart { height: 120px; }
.mlp-col { grid-template-rows: 1fr auto; }
.mlp-f { grid-row: 1; grid-column: 1; align-self: end; height: var(--h); border: 1.5px dashed var(--m); border-radius: 4px 4px 2px 2px; background-color: #ECFDF5; transform-origin: bottom; animation: grow 600ms var(--ease) var(--d) both; }
.mlp-a { grid-row: 1; grid-column: 1; align-self: end; justify-self: center; width: 40%; height: var(--h); border-radius: 3px 3px 1px 1px; background-color: var(--m); transform-origin: bottom; animation: grow 700ms var(--ease) 200ms both; }
.mlp-legend { display: flex; gap: 14px; color: var(--p-muted); font-size: 11px; }
.mlp-legend span::before { content: ''; display: inline-block; width: 10px; height: 10px; margin-right: 5px; border-radius: 2px; vertical-align: -1px; }
.mlp-legend .is-f::before { border: 1.5px dashed var(--m); background-color: #ECFDF5; }
.mlp-legend .is-a::before { background-color: var(--m); }
.mlp .crm-tab[aria-pressed="true"] { color: #047857; }

/* ===== общие секции ===== */
.section { max-width: 1240px; margin-inline: auto; padding: 56px 16px; }
.section-head { display: grid; gap: 12px; max-width: 680px; margin-bottom: 32px; }
.section-head h2, .final h2 { font-size: 34px; line-height: 1.08; }
.lead { color: var(--muted); font-size: 17px; line-height: 1.6; }
.split { display: grid; gap: 8px; }
@media (min-width: 768px) { .section { padding: 80px 24px; } .section-head h2, .final h2 { font-size: 44px; } }
@media (min-width: 1024px) { .split { grid-template-columns: minmax(0, 4fr) minmax(0, 7fr); gap: 48px; } .section-head h2, .final h2 { font-size: 50px; } }

/* что делаем */
.service-grid { display: grid; gap: 16px; }
.service { display: grid; grid-template-rows: auto 1fr; }
.service-art { display: block; width: 100%; height: 190px; color: var(--blue); border-bottom: 1px dashed var(--rule); }
.service-body { display: grid; align-content: start; gap: 8px; padding: 18px 20px 20px; }
.service-num { color: var(--blue); font-size: 11px; }
.service h3 { font-size: 20px; }
.service-text { color: var(--muted); font-size: 15px; }
.service-pick { justify-self: start; margin-top: 6px; color: var(--signal-ink); font-weight: 700; font-size: 14px; text-decoration: underline; text-underline-offset: 4px; text-decoration-thickness: 1.5px; }
.service-pick:hover { text-decoration-style: dashed; }
@media (min-width: 640px) { .service-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1024px) {
  .service-grid { grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 20px; }
  .service { grid-column: span 2; }
  .service:nth-child(-n+2) { grid-column: span 3; }
  .service:nth-child(-n+2) .service-art { height: 230px; }
}

/* кейсы: лист со штампом */
.case-grid { display: grid; gap: 20px; }
.case { display: flex; flex-direction: column; gap: 14px; padding: 18px 18px 18px; overflow: hidden; }
.case-head { display: flex; justify-content: space-between; gap: 12px; padding-bottom: 10px; border-bottom: 1px solid var(--rule); color: var(--blue); font-size: 11px; }
.case-type { color: var(--muted); }
.case h3 { font-size: 21px; }
.case-rows { display: grid; gap: 10px; }
.case-rows dt { color: var(--blue); font-size: 11px; }
.case-rows dd { font-size: 15px; }
.stamp { display: grid; grid-template-columns: 1fr 1fr; margin-top: auto; border: 1.5px solid var(--blue); }
.stamp > div { padding: 6px 10px; border-right: 1px solid var(--rule-strong); border-bottom: 1px solid var(--rule-strong); }
.stamp > div:nth-child(2) { border-right: 0; }
.stamp > div.wide { grid-column: 1 / -1; border-right: 0; }
.stamp > div:last-child { border-bottom: 0; }
.stamp dt { color: var(--muted); font-size: 10px; }
.stamp dd { font-size: 13px; font-weight: 700; }
.demo-stamp { position: absolute; top: 34%; right: 8%; padding: 4px 14px; border: 3px solid var(--signal); border-radius: 6px; color: var(--signal-ink);
              font: 700 22px/1.2 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; transform: rotate(-14deg); opacity: 0.85; pointer-events: none; }
@media (min-width: 768px) { .case-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1100px) { .case-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } .case { padding: 22px; } }

/* как работаем: схема из узлов */
.scheme { position: relative; display: grid; gap: 22px; }
.scheme::before { content: ''; position: absolute; top: 20px; bottom: 20px; left: 21px; border-left: 1.5px dashed var(--rule-strong); }
.scheme li { position: relative; display: grid; grid-template-columns: 44px 1fr; column-gap: 16px; row-gap: 2px; }
.node { grid-row: span 2; display: grid; place-items: center; width: 44px; height: 44px; border: 1.5px solid var(--blue); border-radius: 50%;
        background-color: var(--sheet); color: var(--blue); font-size: 13px; }
.scheme li:last-child .node { border-color: var(--signal); color: var(--signal-ink); }
.scheme h3 { align-self: end; font-size: 17px; }
.scheme p { color: var(--muted); font-size: 14px; }
@media (min-width: 1024px) {
  .scheme { grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 16px; }
  .scheme::before { top: 22px; bottom: auto; left: 22px; right: calc((100% - 96px) / 7 - 22px); border-left: 0; border-top: 1.5px dashed var(--rule-strong); }
  .scheme li { grid-template-columns: 1fr; row-gap: 6px; align-content: start; }
  .node { grid-row: auto; margin-bottom: 10px; }
  .scheme h3 { align-self: start; }
}

/* условия */
.term-list { border-top: 1px solid var(--rule-strong); }
.term-list li { display: grid; grid-template-columns: 44px 1fr; gap: 12px; padding: 16px 0; border-bottom: 1px solid var(--rule); }
.term-list .mono { color: var(--blue); font-size: 13px; padding-top: 2px; }
.term-list p { color: var(--muted); }
.term-list strong { color: var(--ink); }
/* неподтверждённые условия: видимая пометка до проверки владельцем */
[data-draft] > p::after, [data-draft] .faq-q::after { content: 'черновик'; display: inline-block; margin-left: 8px; padding: 0 6px; border: 1px dashed var(--signal); border-radius: 4px;
  color: var(--signal-ink); font: 500 11px/18px var(--mono); vertical-align: 2px; }

/* вопросы */
.faq-list { border-top: 1px solid var(--rule-strong); }
.faq details { border-bottom: 1px solid var(--rule); }
.faq summary { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 18px 0; font-weight: 700; font-size: 16px; list-style: none; cursor: pointer; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary:hover .faq-q { color: var(--blue); }
.faq-icon { position: relative; flex: none; width: 28px; height: 28px; border: 1px solid var(--rule-strong); border-radius: 6px; transition: transform 400ms var(--ease), border-color 200ms var(--ease); }
.faq-icon::before, .faq-icon::after { content: ''; position: absolute; top: 50%; left: 50%; width: 10px; height: 1.5px; margin: -0.75px 0 0 -5px; background-color: currentColor; }
.faq-icon::after { transform: rotate(90deg); }
.faq details[open] .faq-icon { transform: rotate(45deg); border-color: var(--signal); color: var(--signal-ink); }
.faq-a { padding: 0 44px 20px 0; color: var(--muted); }
@media (min-width: 1024px) { .faq summary { font-size: 18px; } }

/* заключение */
.final-sheet { display: grid; justify-items: center; gap: 16px; padding: 48px 20px; text-align: center; }
.final .lead { max-width: 36em; }
.actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-top: 8px; }
@media (min-width: 768px) { .final-sheet { padding: 72px 40px; } }

/* подвал */
footer { padding: 24px 0 48px; }
.footer-row { display: flex; flex-direction: column; gap: 16px; max-width: 1240px; margin-inline: auto; padding-inline: 16px; color: var(--muted); font-size: 14px; line-height: 20px; }
.footer-about { display: grid; gap: 4px; }
.footer-brand { color: var(--ink); font-weight: 700; }
.footer-link { align-self: flex-start; text-underline-offset: 4px; }
.footer-link:hover { color: var(--ink); }
@media (min-width: 768px) { .footer-row { flex-direction: row; justify-content: space-between; align-items: flex-end; padding-inline: 24px; } .footer-link { align-self: auto; } }

/* без JS бриф заменяется кнопкой */
.brief-fallback { display: grid; gap: 16px; justify-items: start; color: var(--muted); }

@media (prefers-reduced-motion: reduce) { .btn:active { transform: none; } .brief.is-flash { animation: none; } }

/* служебные страницы */
.doc { display: block; padding: 96px 16px 64px; }
.doc-body { display: grid; justify-items: start; gap: 16px; max-width: 760px; margin-inline: auto; padding: 36px 24px 44px; }
.doc h1 { font-size: 32px; line-height: 1.1; hyphens: auto; overflow-wrap: anywhere; }
.doc h2 { margin-top: 16px; font-size: 20px; line-height: 1.3; letter-spacing: -0.02em; }
.doc p { color: var(--muted); }
.doc-lead { font-size: 18px; line-height: 1.55; }
.doc-link { color: var(--blue); font-weight: 600; text-underline-offset: 4px; }
.doc-center { display: grid; align-items: center; min-height: 100vh; }
@media (min-width: 768px) { .doc-body { padding: 56px; } .doc h1 { font-size: 44px; } }

/* переключатель темы: светлая / тёмная */
.theme-toggle { display: inline-flex; padding: 3px; border: 1px solid var(--rule-strong); border-radius: 8px; background: none; cursor: pointer; font: 600 12px/1.4 var(--sans); }
.theme-toggle span { padding: 3px 8px; border-radius: 5px; color: var(--muted); transition: background-color 250ms var(--ease), color 250ms var(--ease); }
.theme-toggle[aria-pressed="false"] span:first-child, .theme-toggle[aria-pressed="true"] span:last-child { background-color: var(--blue); color: var(--sheet); }
@media (max-width: 420px) { .theme-toggle span { padding: 3px 6px; } }
::view-transition-old(root), ::view-transition-new(root) { animation: none; mix-blend-mode: normal; }
::view-transition-new(root) { animation: expose 900ms cubic-bezier(0.65, 0, 0.35, 1); }
@keyframes expose { from { clip-path: circle(0 at var(--vt-x, 50%) var(--vt-y, 0)); } to { clip-path: circle(150vmax at var(--vt-x, 50%) var(--vt-y, 0)); } }

/* строка состояния как в САПР: лист и координаты */
.statusbar { display: none; }
@media (min-width: 1024px) and (pointer: fine) {
  .statusbar { position: fixed; z-index: 40; left: 12px; bottom: 12px; display: flex; gap: 14px; padding: 5px 10px; border: 1px solid var(--rule);
               border-radius: 6px; background-color: color-mix(in srgb, var(--paper) 86%, transparent); color: var(--muted); font-size: 11px; font-variant-numeric: tabular-nums;
               -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); pointer-events: none; }
  .statusbar #sb-sheet { color: var(--blue); }
}

/* размерные линии при наведении на лист */
.dim-h, .dim-v { position: absolute; pointer-events: none; color: var(--signal-ink); font-size: 10px; animation: dim-in 300ms var(--ease); }
.dim-h { left: 0; right: 0; top: -16px; height: 8px; border-left: 1px solid; border-right: 1px solid; }
.dim-h::before { content: ''; position: absolute; left: 0; right: 0; top: 4px; border-top: 1px solid; }
.dim-h b { position: absolute; left: 50%; top: -6px; transform: translateX(-50%); padding: 0 4px; background-color: var(--paper); font-weight: 500; }
.dim-v { top: 0; bottom: 0; left: -16px; width: 8px; border-top: 1px solid; border-bottom: 1px solid; }
.dim-v::before { content: ''; position: absolute; top: 0; bottom: 0; left: 4px; border-left: 1px solid; }
.dim-v b { position: absolute; top: 50%; left: -2px; transform: translate(-50%, -50%) rotate(-90deg); padding: 0 4px; background-color: var(--paper); font-weight: 500; }
@keyframes dim-in { from { opacity: 0; } }
.service, .case, .final-sheet { overflow: visible; }
.case { overflow: visible; }

@media (prefers-reduced-motion: reduce) {
  ::view-transition-new(root) { animation: none; }
  .board-stamp dd.is-new, .tg-msg, .app-card, .app-tile, .crm-col i, .mlp-f, .mlp-a, .dim-h, .dim-v { animation: none; }
}

/* мобильная шапка и компактный штамп */
@media (max-width: 559px) {
  .nav-bar { gap: 8px; padding-left: 12px; }
  .logo-tag { display: none; }
  .nav-cta { width: 36px; height: 36px; padding: 0; }
  .nav-cta span { display: none; }
  .nav-cta .btn-icon { margin: 0; }
  .theme-toggle { font-size: 11px; }
  .stamp.board-stamp { margin: 0 8px 8px; }
  .stamp.board-stamp > div { padding: 4px 8px; }
  .stamp.board-stamp dd { font-size: 12px; }
  .stamp.board-stamp > div.wide { grid-column: auto; border-right: 1px solid var(--rule-strong); border-bottom: 0; }
  .stamp.board-stamp > div.sheet-no { border-bottom: 0; }
}
@media (min-width: 560px) { .nav-cta .btn-icon { display: none; } }