/* ==========================================================================
   ayrat.site — styles (поверх tokens.css)
   ========================================================================== */

/* ---------------------------------------------------------------- base */
*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-h-scrolled);
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  font-weight: var(--weight-regular);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}
body.is-locked { overflow: hidden; }

h1, h2, h3, p, ul, ol, dl, dd, figure, blockquote { margin: 0; padding: 0; }
ul, ol { list-style: none; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
address { font-style: normal; }
b { font-weight: var(--weight-semi); }

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: var(--weight-semi);
  letter-spacing: var(--ls-h2);
}

.i { width: 1em; height: 1em; flex: none; vertical-align: -0.12em; }

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.skip {
  position: fixed;
  top: 8px; left: 8px;
  z-index: calc(var(--z-cursor) + 1);
  padding: 10px 16px;
  background: var(--accent);
  color: var(--accent-ink);
  border-radius: var(--radius-1);
  transform: translateY(-150%);
  transition: transform var(--dur-micro) var(--ease);
}
.skip:focus { transform: none; }

/* без JS и при reduced-motion всё видно сразу */
html:not(.js) .reveal,
html:not(.js) .line__in,
html:not(.js) .w__in { opacity: 1; transform: none; }

/* ---------------------------------------------------------------- shared ui */
.link--arrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: var(--weight-medium);
  padding-block: 4px;
}
.link--arrow .i { transition: transform var(--dur-micro) var(--ease); }
.link--arrow:hover .i { transform: translateX(3px); }
.link--arrow:hover .i:has(use[href="#i-arrow-ne"]) { transform: translate(2px, -2px); }
.link--arrow:hover .i:has(use[href="#i-arrow-up"]) { transform: translateY(-3px); }

/* ссылка внутри текста — подчёркнута всегда, при наведении линия становится акцентной */
.link--on {
  background:
    linear-gradient(var(--accent), var(--accent)) 0 100% / 0 1px no-repeat,
    linear-gradient(var(--border-strong), var(--border-strong)) 0 100% / 100% 1px no-repeat;
}
.link--on:hover, .link--on:focus-visible { background-size: 100% 1px, 100% 1px; }

.btn-primary { text-decoration: none; justify-content: center; cursor: pointer; }
.btn-primary:active { transform: none; }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 var(--space-4);
  border: var(--line-strong);
  border-radius: var(--radius-1);
  color: var(--text);
  font: var(--weight-medium) 14px/1 var(--font-body);
  text-decoration: none;
  transition:
    border-color var(--dur-micro) var(--ease),
    background-color var(--dur-micro) var(--ease),
    color var(--dur-micro) var(--ease),
    transform var(--dur-micro) var(--ease);
}
.btn-ghost:hover { border-color: var(--text); }

.dot {
  display: inline-block;
  width: 6px; height: 6px;
  margin-right: 10px;
  border-radius: 50%;
  background: var(--accent);
  vertical-align: 0.1em;
}

.section { padding-block: calc(var(--section-gap) / 2); }

/* шапка секции: линейка + индекс + заголовок */
.sec-head__index {
  grid-column: 1 / -1;
  display: flex;
  gap: var(--space-2);
  padding-top: var(--space-4);
  border-top: var(--line);
  color: var(--text-dim);
}
.sec-head__index b { color: var(--text); font-weight: var(--weight-regular); }

.sec-head { row-gap: var(--space-7); margin-bottom: var(--space-9); }
.sec-head__title {
  grid-column: 1 / span 9;
  font-size: var(--fs-h2);
  line-height: var(--lh-h2);
}
.sec-head__count {
  margin-left: 0.18em;
  font-family: var(--font-mono);
  font-size: 0.26em;
  font-weight: var(--weight-regular);
  letter-spacing: 0;
  color: var(--text-dim);
  vertical-align: 2.6em;
  line-height: 0;
}
.sec-head__lead {
  grid-column: 10 / -1;
  align-self: end;
  font-size: var(--fs-small);
  line-height: var(--lh-small);
  color: var(--text-dim);
  max-width: 30ch;
}

/* split-text */
.w { display: inline-block; overflow: hidden; vertical-align: top; padding-bottom: 0.1em; margin-bottom: -0.1em; }
.w__in {
  display: inline-block;
  transform: translateY(105%);
  transition: transform var(--dur-section) var(--ease);
  transition-delay: calc(var(--wi, 0) * var(--stagger));
}
.is-split.is-visible .w__in { transform: none; }

/* ---------------------------------------------------------------- nav */
.nav {
  position: fixed;
  inset: 0 0 auto;
  z-index: var(--z-nav);
  border-bottom: 1px solid transparent;
  transition:
    background-color var(--dur-el) var(--ease),
    border-color var(--dur-el) var(--ease);
}
.nav.is-scrolled,
.nav.is-open { background: var(--bg); border-color: var(--border); }

.nav__in {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
  max-width: var(--grid-max);
  height: var(--nav-h);
  margin-inline: auto;
  padding-inline: var(--gutter);
  transition: height var(--dur-el) var(--ease);
}
.nav.is-scrolled .nav__in { height: var(--nav-h-scrolled); }

.nav__logo {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: var(--weight-semi);
  letter-spacing: -0.04em;
  line-height: 1;
  text-decoration: none;
}
.nav__logo span { color: var(--accent); }

.nav__links { display: flex; gap: var(--space-6); font-size: 14px; margin-left: auto; }
.nav__actions { display: flex; align-items: center; gap: var(--space-3); }

.nav__theme {
  display: grid;
  place-items: center;
  width: 40px; height: 40px;
  border-radius: var(--radius-1);
  color: var(--text-dim);
  transition: color var(--dur-micro) var(--ease);
}
.nav__theme:hover { color: var(--text); }
.nav__theme .i { width: 16px; height: 16px; }
.i--moon { display: none; }
[data-theme="light"] .i--sun { display: none; }
[data-theme="light"] .i--moon { display: block; }

.nav__burger {
  display: none;
  min-height: 40px;
  padding: 0 var(--space-4);
  border: var(--line-strong);
  border-radius: var(--radius-1);
}

.menu {
  position: fixed;
  inset: var(--nav-h-scrolled) 0 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: var(--space-7);
  padding: var(--space-7) var(--gutter) var(--space-6);
  background: var(--bg);
  overflow-y: auto;
}
.menu nav { display: flex; flex-direction: column; }
.menu nav a {
  display: flex;
  align-items: baseline;
  gap: var(--space-4);
  padding-block: var(--space-3);
  border-bottom: var(--line);
  font-family: var(--font-display);
  font-size: clamp(32px, 9vw, 48px);
  font-weight: var(--weight-semi);
  letter-spacing: -0.03em;
  text-decoration: none;
}
.menu nav a .mono { color: var(--text-dim); }

/* ---------------------------------------------------------------- hero */
.hero {
  display: flex;
  min-height: 100vh;
  min-height: 100svh;
  padding-top: calc(var(--nav-h) + var(--space-7));
  padding-bottom: var(--space-9);
}
.hero__grid {
  position: relative;
  width: 100%;
  grid-template-rows: auto 1fr auto;
  row-gap: var(--space-7);
}
.hero__meta {
  grid-column: 1 / -1;
  color: var(--text-dim);
}
.hero__meta-sep { margin-inline: var(--space-3); }

.hero__title {
  grid-column: 1 / -1;
  align-self: end;
  font-size: var(--fs-display);
  line-height: var(--lh-display);
  letter-spacing: var(--ls-display);
}
.line { display: block; overflow: hidden; padding-bottom: 0.08em; margin-bottom: -0.08em; }
.line--shift { padding-left: calc((100% - 11 * var(--grid-gap)) / 12 * 2 + 2 * var(--grid-gap)); }
.line__in {
  display: inline-block;
  transform: translateY(105%);
  transition: transform var(--dur-section) var(--ease);
}
.line:nth-child(2) .line__in { transition-delay: 90ms; }
.line:nth-child(3) .line__in { transition-delay: 180ms; }
.hero.is-in .line__in { transform: none; }
.accent-dot { color: var(--accent); }

.hero__lead {
  grid-column: 1 / span 5;
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}
.lead {
  font-size: var(--fs-lead);
  line-height: var(--lh-lead);
  color: var(--text-dim);
  max-width: 44ch;
}
.hero__cta { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-6); }

.hero__facts {
  grid-column: 9 / -1;
  align-self: end;
}
.hero__facts li {
  display: flex;
  gap: var(--space-4);
  padding-block: 10px;
  border-top: var(--line);
}
.hero__facts li span { color: var(--text-dim); }

.hero__scroll {
  position: absolute;
  left: var(--gutter);
  bottom: calc(-1 * var(--space-9) + var(--space-4));
  display: flex;
  align-items: flex-end;
  gap: var(--space-3);
  color: var(--text-dim);
}
.hero__scroll .mono { font-size: 11px; }
.hero__scroll-line {
  position: relative;
  width: 1px;
  height: 56px;
  background: var(--border);
  overflow: hidden;
}
.hero__scroll-line::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--text);
  transform: translateY(-100%);
  animation: scroll-hint 2.4s var(--ease) infinite;
}
@keyframes scroll-hint {
  0% { transform: translateY(-100%); }
  60%, 100% { transform: translateY(100%); }
}

/* ---------------------------------------------------------------- marquee */
.marquee {
  overflow: hidden;
  border-block: var(--line);
  padding-block: var(--space-5);
}
.marquee__track {
  display: flex;
  width: max-content;
  animation: marquee 64s linear infinite;
}
.marquee:hover .marquee__track { animation-play-state: paused; }
.marquee__list { display: flex; align-items: center; flex: none; }
.marquee__list li {
  display: flex;
  align-items: center;
  white-space: nowrap;
}
.marquee__list li::after {
  content: "";
  width: 6px; height: 6px;
  margin-inline: clamp(20px, 2.4vw, 36px);
  background: var(--text-faint);
}
.marquee__big {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.4vw, 48px);
  font-weight: var(--weight-medium);
  letter-spacing: -0.03em;
  line-height: 1.2;
}
.marquee__list .mono { color: var(--text-dim); }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------------------------------------------------------------- work / cases */
.work { padding-bottom: calc(var(--section-gap) / 2); }

.case { position: relative; }
.case + .case { margin-top: var(--section-gap); }
.case > .grid { row-gap: var(--space-6); align-items: start; }

.case__num {
  grid-row: 1;
  font-family: var(--font-display);
  font-size: var(--fs-index);
  font-weight: var(--weight-medium);
  letter-spacing: -0.04em;
  line-height: 0.8;
  color: var(--text-faint);
  transition: color var(--dur-el) var(--ease);
}
.case:hover .case__num { color: var(--text-dim); }

.case__stage { position: relative; grid-row: 2; }
.case__body { grid-row: 2; display: flex; flex-direction: column; }

/* A: сцена слева, текст справа, опущен к низу */
.case--a .case__num { grid-column: 1 / span 3; }
.case--a .case__stage { grid-column: 1 / span 8; }
.case--a .case__body { grid-column: 9 / -1; align-self: end; padding-left: var(--space-4); }

/* B: текст слева сверху, сцена справа, номер у правого края */
.case--b .case__num { grid-column: 10 / -1; text-align: right; }
.case--b .case__body { grid-column: 1 / span 4; padding-top: var(--space-9); }
.case--b .case__stage { grid-column: 5 / -1; }

/* Широкий кейс: сцена по центру, текст под ней в три колонки */
.case--wide .case__num { grid-column: 2 / span 3; }
.case--wide .case__stage { grid-column: 2 / span 10; }
.case--wide .case__body {
  grid-column: 2 / span 10;
  grid-row: 3;
  display: grid;
  grid-template-columns: repeat(10, minmax(0, 1fr));
  column-gap: var(--grid-gap);
  padding: var(--space-8) 0 0;
  align-self: start;
}
.case--wide .case__meta,
.case--wide .case__title,
.case--wide .case__domain,
.case--wide .case__what { grid-column: 1 / span 4; }
.case--wide .case__facts { grid-column: 5 / -1; grid-row: 1 / span 5; margin-top: 0; }
.case--wide .tags,
.case--wide .case__open { grid-column: 1 / span 4; }

.case__meta { color: var(--text-dim); margin-bottom: var(--space-4); }
.case__title {
  font-size: clamp(32px, 3.6vw, 52px);
  line-height: 1;
  letter-spacing: -0.035em;
}
.case__domain { align-self: flex-start; justify-self: start; margin-top: var(--space-3); color: var(--text-dim); }
.case__domain:hover { color: var(--text); }
.case__what { margin-top: var(--space-5); font-size: 18px; line-height: 1.5; max-width: 34ch; }

.case__facts { margin-top: var(--space-6); }
.case__facts > div { padding-block: var(--space-3); border-top: var(--line); }
.case__facts dt { color: var(--text-dim); font-size: 11px; }
.case__facts dd { margin-top: var(--space-1); font-size: 15px; line-height: 1.55; }

.tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: var(--space-5); }
.tags li {
  padding: 5px 8px 4px;
  border: var(--line);
  border-radius: var(--radius-1);
  color: var(--text-dim);
  font-size: 11px;
  transition: border-color var(--dur-el) var(--ease);
}
.case:hover .tags li { border-color: var(--border-strong); }

.case__open { align-self: flex-start; justify-self: start; margin-top: var(--space-5); }

.case__cap { margin-top: var(--space-4); color: var(--text-dim); font-size: 11px; }

/* ---------- рамки */
.frame {
  position: relative;
  display: block;
  overflow: hidden;
  background: var(--surface);
  border: var(--line);
  border-radius: var(--radius-2);
  text-decoration: none;
  transition: border-color var(--dur-el) var(--ease);
}
.case__stage:hover .frame { border-color: var(--border-strong); }
.frame__bar {
  display: block;
  padding: 9px 12px 8px;
  border-bottom: var(--line);
  color: var(--text-dim);
  font-size: 11px;
  text-align: center;
  text-transform: none;
  letter-spacing: 0.02em;
}
.frame__view {
  position: relative;
  display: block;
  aspect-ratio: 16 / 10;
  overflow: hidden;
}
.frame__img {
  width: 100%;
  transform:
    translate3d(calc(var(--px, 0) * 1px), calc(var(--py, 0) * 1px - var(--sy, 0) * 1px), 0)
    scale(1.03);
  transform-origin: 50% 0;
  will-change: transform;
}
.frame--scroll .frame__img { position: absolute; top: 0; left: 0; }

.phone {
  display: block;
  padding: 5px;
  background: #080706;
  border: var(--line-strong);
  border-radius: 12px;
  overflow: hidden;
}
.phone img { border-radius: 8px; width: 100%; }

/* ---------- 01 квиз */
.stage-quiz { padding-bottom: var(--space-8); }
.quiz {
  position: absolute;
  right: calc(-1 * var(--space-4));
  bottom: 0;
  width: min(320px, 46%);
  padding: var(--space-5);
  background: var(--bg);
  border: var(--line-strong);
  border-radius: var(--radius-2);
}
.quiz__head { display: flex; justify-content: space-between; color: var(--text-dim); font-size: 11px; }
.quiz__count b { color: var(--text); font-weight: var(--weight-regular); }
.quiz__bar { height: 2px; margin-block: var(--space-3) var(--space-4); background: var(--border); }
.quiz__bar span {
  display: block;
  height: 100%;
  background: var(--accent);
  transform: scaleX(var(--q, 0.07));
  transform-origin: left;
  transition: transform var(--dur-el) var(--ease);
}
.quiz__steps li {
  display: flex;
  justify-content: space-between;
  padding-block: 7px;
  border-top: var(--line);
  font-size: 15px;
  color: var(--text-dim);
  transition: color var(--dur-el) var(--ease);
}
.quiz__steps li::after {
  content: "—";
  font-family: var(--font-mono);
  font-size: 12px;
}
.quiz__steps li.is-done { color: var(--text); }
.quiz__steps li.is-done::after { content: "ок"; color: var(--text-dim); }
.quiz__out { display: flex; gap: 6px; margin-top: var(--space-4); font-size: 11px; }
.quiz__out span {
  flex: 1;
  padding: 6px 8px 5px;
  border: var(--line);
  border-radius: var(--radius-1);
  color: var(--text-dim);
  transition: color var(--dur-el) var(--ease), border-color var(--dur-el) var(--ease);
}
.quiz.is-sent .quiz__out span { color: var(--text); border-color: var(--accent); }
.quiz.is-sent .quiz__out span:nth-child(2) { transition-delay: 120ms; }

/* ---------- 02 табло */
.stage-board { padding-top: var(--space-8); padding-bottom: var(--space-9); }
.board {
  position: absolute;
  top: 0;
  left: calc(-1 * var(--space-7));
  z-index: 2;
  padding: var(--space-4) var(--space-5);
  background: var(--bg);
  border: var(--line-strong);
  border-radius: var(--radius-2);
}
.board__row {
  display: grid;
  grid-template-columns: 28px auto 72px;
  align-items: center;
  gap: var(--space-4);
  padding-block: 6px;
}
.board__row + .board__row { border-top: var(--line); }
.board__k { color: var(--text-dim); font-size: 11px; }
.board__v { display: flex; gap: 3px; }
.flap {
  display: inline-grid;
  place-items: center;
  width: 1.45em;
  height: 1.9em;
  overflow: hidden;
  background: var(--surface-2);
  border-radius: 2px;
  font-size: 16px;
  color: var(--text);
  letter-spacing: 0;
}
.flap i { font-style: normal; display: block; }
.flap i.is-tick { animation: flap-tick 120ms var(--ease); }
@keyframes flap-tick { from { transform: translateY(-40%); opacity: 0.2; } to { transform: none; opacity: 1; } }
.board__s {
  font-size: 11px;
  color: var(--text-dim);
  opacity: 0;
  transform: translateX(-6px);
  transition: opacity var(--dur-el) var(--ease), transform var(--dur-el) var(--ease);
}
.board__row.is-set .board__s { opacity: 1; transform: none; }

.phone--float {
  position: absolute;
  right: calc(-1 * var(--space-5));
  bottom: 0;
  width: 24%;
  transform: translateY(calc(var(--lift-y, 1) * 64px));
  opacity: var(--lift-o, 0);
  transition: transform var(--dur-section) var(--ease), opacity var(--dur-section) var(--ease);
}
.stage-board.is-visible .phone--float { --lift-y: 0; --lift-o: 1; transition-delay: 200ms; }

/* ---------- 03 каталог-полосы */
.stage-catalog { padding-bottom: var(--space-9); }
.strips__cover {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  pointer-events: none;
}
.strips__cover i {
  background: var(--surface-2);
  border-right: 1px solid var(--border);
  transform-origin: 50% 0;
  transition: transform var(--dur-section) var(--ease);
}
.strips__cover i:nth-child(odd) { transform-origin: 50% 100%; }
.strips__cover i:nth-child(1) { transition-delay: 0ms; }
.strips__cover i:nth-child(2) { transition-delay: 60ms; }
.strips__cover i:nth-child(3) { transition-delay: 120ms; }
.strips__cover i:nth-child(4) { transition-delay: 180ms; }
.strips__cover i:nth-child(5) { transition-delay: 240ms; }
.strips__cover i:nth-child(6) { transition-delay: 300ms; }
.strips__cover i:nth-child(7) { transition-delay: 360ms; }
.strips__cover i:nth-child(8) { transition-delay: 420ms; }
.stage-catalog.is-visible .strips__cover i { transform: scaleY(0); }
html:not(.js) .strips__cover { display: none; }

.counter {
  position: absolute;
  right: calc(-1 * var(--space-7));
  bottom: 0;
  display: flex;
  background: var(--bg);
  border: var(--line-strong);
  border-radius: var(--radius-2);
}
.counter p { display: flex; flex-direction: column; gap: var(--space-2); padding: var(--space-5) var(--space-6); }
.counter p + p { border-left: var(--line); }
.counter b {
  font-family: var(--font-display);
  font-size: clamp(40px, 4.4vw, 64px);
  font-weight: var(--weight-semi);
  letter-spacing: -0.04em;
  line-height: 0.9;
  font-variant-numeric: tabular-nums;
}
.counter .mono { color: var(--text-dim); font-size: 11px; }

/* ---------- 04 конвейер заявки */
.pipe { margin-top: var(--space-6); }
.pipe__line {
  position: relative;
  display: block;
  height: 1px;
  margin-inline: 10%;
  background: var(--border-strong);
}
.pipe__packet {
  position: absolute;
  top: -4px;
  left: calc(var(--step, 0) / 4 * 100%);
  width: 9px; height: 9px;
  margin-left: -4px;
  background: var(--accent);
  opacity: var(--packet-o, 0);
  transition: left var(--dur-el) var(--ease), opacity var(--dur-micro) var(--ease);
}
.pipe ol { display: grid; grid-template-columns: repeat(5, 1fr); margin-top: var(--space-4); }
.pipe li {
  position: relative;
  text-align: center;
  font-size: 11px;
  color: var(--text-dim);
  transition: color var(--dur-el) var(--ease);
}
.pipe li::before {
  content: "";
  position: absolute;
  top: calc(-1 * var(--space-4) - 4px);
  left: 50%;
  width: 9px; height: 9px;
  margin-left: -4px;
  background: var(--bg);
  border: var(--line-strong);
  transition: border-color var(--dur-el) var(--ease);
}
.pipe li.is-on { color: var(--text); }
.pipe li.is-on::before { border-color: var(--text); }

/* ---------- 05 бот */
.stage-bot {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  align-items: start;
  gap: var(--grid-gap);
}
.stage-bot .case__cap { grid-column: 1 / -1; }
.stage-bot .phone { margin-top: var(--space-9); }
.chat {
  background: var(--surface);
  border: var(--line);
  border-radius: var(--radius-2);
  overflow: hidden;
}
.chat__head {
  display: flex;
  justify-content: space-between;
  padding: 12px var(--space-4) 11px;
  border-bottom: var(--line);
  color: var(--text-dim);
  font-size: 11px;
}
.chat__feed {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  min-height: 360px;
  padding: var(--space-5);
}
.msg {
  align-self: flex-start;
  max-width: 82%;
  padding: 10px 14px;
  background: var(--surface-2);
  border-radius: var(--radius-2);
  font-size: 15px;
  line-height: 1.45;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity var(--dur-el) var(--ease), transform var(--dur-el) var(--ease);
}
.msg--me { align-self: flex-end; background: transparent; border: var(--line-strong); }
.msg--key { width: 82%; }
.msg--key code {
  display: block;
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text);
  word-break: break-all;
}
.msg.is-in { opacity: 1; transform: none; }
html:not(.js) .msg { opacity: 1; transform: none; }

/* ---------- 06 каскад */
.frame--dim .frame__view::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--bg);
  opacity: 0.72;
}
.stage-cascade { position: relative; }
.cascade {
  position: absolute;
  left: 6%;
  right: 6%;
  top: calc(32px + 12%);
  width: 88%;
  height: auto;
  overflow: visible;
}
.cascade__base { fill: none; stroke: var(--border-strong); stroke-width: 1; stroke-dasharray: 3 6; }
.cascade__line {
  fill: none;
  stroke: var(--accent);
  stroke-width: 2;
  stroke-linejoin: round;
}
.cascade__node circle {
  fill: var(--bg);
  stroke: var(--text-dim);
  stroke-width: 1.5;
  transition: fill var(--dur-el) var(--ease), stroke var(--dur-el) var(--ease);
}
.cascade__node text {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  fill: var(--text-dim);
  text-anchor: middle;
  transition: fill var(--dur-el) var(--ease);
}
.cascade__node.is-on circle { fill: var(--accent); stroke: var(--accent); }
.cascade__node.is-on text { fill: var(--text); }

/* ---------- кастомный курсор над сценами */
.cursor {
  position: fixed;
  top: 0; left: 0;
  z-index: var(--z-cursor);
  padding: 8px 12px 7px;
  background: var(--accent);
  color: var(--accent-ink);
  border-radius: var(--radius-1);
  font-size: 11px;
  pointer-events: none;
  opacity: 0;
  transform: translate3d(var(--cx, 0), var(--cy, 0), 0) scale(0.6);
  transition: opacity var(--dur-micro) var(--ease), transform var(--dur-micro) var(--ease);
}
.cursor.is-on { opacity: 1; transform: translate3d(var(--cx, 0), var(--cy, 0), 0) scale(1); }
@media (hover: hover) and (pointer: fine) {
  [data-cursor] .frame, [data-cursor] .phone { cursor: none; }
}

/* ---------------------------------------------------------------- why */
.why .grid { row-gap: var(--space-8); }
.why__title {
  grid-column: 1 / span 7;
  font-size: var(--fs-h2);
  line-height: var(--lh-h2);
}
.why__quote {
  grid-column: 9 / -1;
  align-self: end;
  margin-left: calc(-1 * var(--space-8));
  padding-left: var(--space-5);
  border-left: 1px solid var(--accent);
}
.why__quote p {
  font-family: var(--font-display);
  font-size: clamp(20px, 2vw, 28px);
  font-weight: var(--weight-medium);
  letter-spacing: -0.02em;
  line-height: 1.25;
}
.why__list {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--grid-gap);
  align-items: start;
}
.why__list li { padding-top: var(--space-4); border-top: var(--line); }
.why__list li:nth-child(2) { margin-top: var(--space-8); }
.why__list li:nth-child(3) { margin-top: calc(var(--space-8) * 2); }
.why__list .mono { color: var(--text-dim); }
.why__list h3 {
  margin-top: var(--space-6);
  font-size: var(--fs-h3);
  line-height: var(--lh-h3);
  letter-spacing: var(--ls-h3);
  font-weight: var(--weight-medium);
  max-width: 18ch;
}
.why__list p { margin-top: var(--space-4); color: var(--text-dim); font-size: 15px; max-width: 36ch; }

/* ---------------------------------------------------------------- services */
.svc { list-style: none; }
.svc__item { grid-column: 1 / -1; border-top: var(--line); }
.svc__item:last-child { border-bottom: var(--line); }

.svc__row {
  display: grid;
  grid-template-columns: calc((100% - 11 * var(--grid-gap)) / 12 + var(--grid-gap)) 1fr auto 32px;
  align-items: center;
  gap: var(--space-5);
  width: 100%;
  padding: var(--space-6) var(--space-4);
  text-align: left;
  transition: background-color var(--dur-el) var(--ease);
}
.svc__n { color: var(--text-dim); }
.svc__name {
  font-family: var(--font-display);
  font-size: clamp(22px, 3vw, 44px);
  font-weight: var(--weight-medium);
  letter-spacing: -0.03em;
  line-height: 1.1;
  transition: transform var(--dur-el) var(--ease);
}
.svc__meta { color: var(--text-dim); text-align: right; }
.svc__plus { position: relative; width: 14px; height: 14px; justify-self: end; }
.svc__plus::before, .svc__plus::after,
.qa__icon::before, .qa__icon::after {
  content: "";
  position: absolute;
  top: 50%; left: 0;
  width: 100%; height: 1px;
  background: currentColor;
  transition: transform var(--dur-el) var(--ease);
}
.svc__plus::after, .qa__icon::after { transform: scaleX(1) rotate(90deg); }

.svc__panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--dur-el) var(--ease);
}
.svc__panel > div { overflow: hidden; }
.svc__panel p {
  max-width: 60ch;
  margin-left: calc((100% - 11 * var(--grid-gap)) / 12 + var(--grid-gap) + var(--space-4) + var(--space-5));
  padding: 0 var(--space-4) var(--space-6) 0;
  color: var(--text-dim);
  transform: translateX(var(--nudge));
  opacity: 0;
  transition: opacity var(--dur-el) var(--ease), transform var(--dur-el) var(--ease);
}

.svc__item.is-open .svc__row { background: var(--surface); }
.svc__item.is-open .svc__name { transform: translateX(var(--nudge)); }
.svc__item.is-open .svc__panel { grid-template-rows: 1fr; background: var(--surface); }
.svc__item.is-open .svc__panel p { opacity: 1; transform: none; }
.svc__item.is-open .svc__plus::after { transform: scaleY(0) rotate(90deg); }

@media (hover: hover) and (pointer: fine) {
  .svc__item:hover .svc__row { background: var(--surface); }
  .svc__item:hover .svc__name { transform: translateX(var(--nudge)); }
  .svc__item:hover .svc__panel { grid-template-rows: 1fr; background: var(--surface); }
  .svc__item:hover .svc__panel p { opacity: 1; transform: none; }
  .svc__item:hover .svc__plus::after { transform: scaleY(0) rotate(90deg); }
}

/* ---------------------------------------------------------------- pricing */
.plans { row-gap: var(--space-8); align-items: start; }
.plan {
  position: relative;
  grid-column: span 3;
  display: flex;
  flex-direction: column;
  padding: var(--space-6) var(--space-5) var(--space-5);
  background: var(--surface);
  border: var(--line);
  border-radius: var(--radius-2);
  transition: border-color var(--dur-el) var(--ease);
}
.plan:nth-child(1) { margin-top: var(--space-8); }
.plan:nth-child(3) { margin-top: var(--space-6); }
.plan:nth-child(4) { margin-top: var(--space-9); }
.plan:hover { border-color: var(--border-strong); }
.plan > :not(.plan__badge) { transition: transform var(--dur-el) var(--ease); }
.plan:hover > :not(.plan__badge):not(.plan__btn) { transform: translateX(var(--nudge)); }

.plan--featured {
  padding-block: var(--space-8) var(--space-6);
  border-color: var(--accent);
  box-shadow: var(--shadow-featured);
}
.plan--featured:hover { border-color: var(--accent); }
.plan__badge {
  position: absolute;
  top: -12px;
  left: var(--space-5);
  padding: 6px 10px 5px;
  background: var(--accent);
  color: var(--accent-ink);
  border-radius: var(--radius-1);
  font-size: 11px;
}
.plan__k { color: var(--text-dim); font-size: 11px; }
.plan__name {
  margin-top: var(--space-5);
  font-size: var(--fs-h3);
  line-height: var(--lh-h3);
  letter-spacing: var(--ls-h3);
}
.plan__sub { margin-top: var(--space-2); font-size: var(--fs-small); line-height: var(--lh-small); color: var(--text-dim); min-height: 3em; }
.plan__price {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  margin-top: var(--space-6);
  font-family: var(--font-display);
  font-size: clamp(32px, 2.9vw, 44px);
  font-weight: var(--weight-medium);
  letter-spacing: -0.04em;
  line-height: 1;
  white-space: nowrap;
}
.plan__price .mono { color: var(--text-dim); letter-spacing: var(--ls-mono); }
.plan__time { margin-top: var(--space-3); color: var(--text); }
.plan__list { margin-top: var(--space-6); font-size: 14px; line-height: 1.45; }
.plan__list li {
  display: grid;
  grid-template-columns: 18px 1fr;
  padding-block: 9px;
  border-top: var(--line);
}
.plan__list li::before { content: "—"; color: var(--text-faint); }
.plan__btn { margin-top: var(--space-6); width: 100%; min-height: 48px; }

.plan-custom {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: subgrid;
  align-items: baseline;
  padding-block: var(--space-6);
  border-block: var(--line);
}
.plan-custom .plan__k { grid-column: 1 / span 2; }
.plan-custom__text {
  grid-column: 3 / span 7;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.2vw, 30px);
  font-weight: var(--weight-medium);
  letter-spacing: -0.02em;
  line-height: 1.25;
}
.plan-custom__text b { font-weight: var(--weight-semi); white-space: nowrap; }
.plan-custom .link--arrow { grid-column: 10 / -1; justify-self: end; }

.plans__note {
  grid-column: 3 / span 6;
  margin-top: calc(-1 * var(--space-5));
  font-size: var(--fs-small);
  line-height: var(--lh-small);
  color: var(--text-dim);
}

/* ---------------------------------------------------------------- process */
.steps { position: relative; grid-column: 1 / -1; }
.steps__line {
  position: absolute;
  top: 4px; left: 0; right: 0;
  height: 1px;
  background: var(--border);
}
.steps__line span {
  position: absolute;
  inset: 0;
  background: var(--accent);
  transform: scaleX(var(--p, 0));
  transform-origin: left;
}
.steps__list { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--grid-gap); }
.step { position: relative; padding-top: var(--space-7); }
.step__dot {
  position: absolute;
  top: 0; left: 0;
  width: 9px; height: 9px;
  background: var(--bg);
  border: var(--line-strong);
  transition: background-color var(--dur-el) var(--ease), border-color var(--dur-el) var(--ease);
}
.step.is-on .step__dot { background: var(--accent); border-color: var(--accent); }
.step__n { color: var(--text-dim); }
.step h3 {
  margin-top: var(--space-4);
  font-size: var(--fs-h3);
  line-height: var(--lh-h3);
  letter-spacing: var(--ls-h3);
  font-weight: var(--weight-medium);
}
.step__time { margin-top: var(--space-3); color: var(--text); }
.step p:last-child { margin-top: var(--space-4); font-size: 15px; color: var(--text-dim); max-width: 32ch; }

/* ---------------------------------------------------------------- about */
.about .grid { row-gap: var(--space-8); }
.about__photo {
  grid-column: 1 / span 5;
  grid-row: 2;
  position: sticky;
  top: calc(var(--nav-h-scrolled) + var(--space-6));
}
.about__img {
  overflow: hidden;
  border-radius: var(--radius-2);
  aspect-ratio: 4 / 5;
  background: var(--surface);
  clip-path: inset(100% 0 0 0);
  transition: clip-path var(--dur-section) var(--ease);
}
.about__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.08);
  transition: transform 1100ms var(--ease);
}
.about__photo.is-visible .about__img { clip-path: inset(0 0 0 0); }
.about__photo.is-visible .about__img img { transform: none; }
html:not(.js) .about__img { clip-path: none; }
.about__photo figcaption { margin-top: var(--space-3); color: var(--text-dim); font-size: 11px; }

.about__text { grid-column: 7 / -1; grid-row: 2; }
.about__title {
  position: relative;
  z-index: 1;
  margin-left: calc(-1 * (100% / 6 + var(--grid-gap) * 2));
  margin-bottom: var(--space-8);
  font-size: var(--fs-display);
  line-height: var(--lh-display);
  letter-spacing: var(--ls-display);
}
.about__p { font-size: 17px; line-height: 1.65; max-width: 58ch; }
.about__p + .about__p { margin-top: var(--space-5); color: var(--text-dim); }
.about__p--drop::first-letter {
  float: left;
  margin: 0.08em 0.12em 0 0;
  font-family: var(--font-display);
  font-size: 4.1em;
  font-weight: var(--weight-semi);
  line-height: 0.78;
  letter-spacing: -0.04em;
}
.about__appstore {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: var(--space-4);
  margin-top: var(--space-7);
  padding-block: var(--space-4);
  border-block: var(--line);
  font-size: 15px;
}
.about__appstore .mono { color: var(--text-dim); padding-top: 3px; }

.stack {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--grid-gap);
  margin-top: var(--space-7);
}
.stack__h { color: var(--text); margin-bottom: var(--space-3); }
.stack ul li { padding-block: 7px; border-top: var(--line); color: var(--text-dim); }

/* ---------------------------------------------------------------- faq */
.faq__side {
  grid-column: 1 / span 4;
  align-self: start;
  position: sticky;
  top: calc(var(--nav-h-scrolled) + var(--space-6));
}
.faq__side .sec-head__title { margin-top: var(--space-7); display: block; }
.faq__hint { margin-top: var(--space-5); color: var(--text-dim); font-size: 15px; }
.faq__list { grid-column: 6 / -1; margin-top: calc(var(--space-7) + 34px); }
.qa { border-top: var(--line); }
.qa:last-child { border-bottom: var(--line); }
.qa h3 { font-size: inherit; letter-spacing: inherit; font-weight: inherit; }
.qa__q {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-6);
  width: 100%;
  padding-block: var(--space-5);
  text-align: left;
  font-family: var(--font-display);
  font-size: clamp(18px, 1.7vw, 23px);
  font-weight: var(--weight-medium);
  letter-spacing: -0.015em;
  line-height: 1.3;
}
.qa__q > span:first-child { transition: transform var(--dur-el) var(--ease); }
.qa__q:hover > span:first-child { transform: translateX(var(--nudge)); }
.qa__icon { position: relative; flex: none; width: 14px; height: 14px; margin-top: 0.4em; color: var(--text-dim); }
.qa__a {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--dur-el) var(--ease);
}
.qa__a > div { overflow: hidden; }
.qa__a p { max-width: 64ch; padding-bottom: var(--space-6); color: var(--text-dim); }
.qa.is-open .qa__a { grid-template-rows: 1fr; }
.qa.is-open .qa__icon::after { transform: scaleY(0) rotate(90deg); }
.qa.is-open .qa__icon { color: var(--text); }

/* ---------------------------------------------------------------- contact */
.contact .grid { row-gap: var(--space-7); }
.contact__title {
  grid-column: 1 / -1;
  padding-top: clamp(96px, 26vh, 280px);
  font-size: var(--fs-display);
  line-height: var(--lh-display);
  letter-spacing: var(--ls-display);
}
.contact__lead { grid-column: 1 / span 5; font-size: var(--fs-lead); line-height: var(--lh-lead); color: var(--text-dim); }

.contact__form-wrap { grid-column: 1 / span 7; margin-top: var(--space-6); }
.direct { grid-column: 9 / -1; margin-top: var(--space-6); align-self: start; }

.form { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-5) var(--space-5); }
.field { grid-column: 1 / -1; display: flex; flex-direction: column; }
.field--half { grid-column: span 1; }
.field label { color: var(--text-dim); margin-bottom: var(--space-2); }

.field input,
.field select,
.field textarea {
  width: 100%;
  min-height: 52px;
  padding: 14px var(--space-4);
  background: var(--surface-2);
  border: var(--line);
  border-radius: var(--radius-1);
  color: var(--text);
  font: var(--weight-regular) 16px/1.4 var(--font-body);
  transition: border-color var(--dur-micro) var(--ease);
  appearance: none;
  -webkit-appearance: none;
}
.field textarea { min-height: 128px; resize: vertical; }
.field input::placeholder, .field textarea::placeholder { color: var(--text-dim); opacity: 1; }
.field select {
  padding-right: 44px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none'%3E%3Cpath d='M1 1.5 6 6.5l5-5' stroke='%23938C84' stroke-width='1.5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  cursor: pointer;
}
.field select:invalid { color: var(--text-dim); }
.field select option { color: #141412; background: #F3EEE7; }
.field input:hover, .field select:hover, .field textarea:hover { border-color: var(--border-strong); }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--text); }
.field.is-invalid input,
.field.is-invalid select { border-color: var(--accent); }

.field__err {
  min-height: 0;
  margin-top: 6px;
  font-size: var(--fs-small);
  line-height: var(--lh-small);
  color: var(--accent);
}
.field__err:empty { display: none; }


.field--hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.check {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 20px 1fr;
  gap: var(--space-3);
  align-items: start;
  font-size: 14px;
  line-height: 1.5;
  color: var(--text-dim);
}
.check input {
  width: 20px; height: 20px;
  margin: 1px 0 0;
  border: var(--line-strong);
  border-radius: var(--radius-0);
  background: var(--surface-2) center / 12px no-repeat;
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
  transition: background-color var(--dur-micro) var(--ease), border-color var(--dur-micro) var(--ease);
}
.check input:checked {
  background-color: var(--accent);
  border-color: var(--accent);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' fill='none'%3E%3Cpath d='m2 6.2 2.6 2.6L10 3.4' stroke='%23100E0D' stroke-width='1.8'/%3E%3C/svg%3E");
}
.check.is-invalid input { border-color: var(--accent); }
.check .field__err { grid-column: 2; margin-top: 0; }

.form__foot { grid-column: 1 / -1; display: flex; flex-direction: column; gap: var(--space-4); align-items: flex-start; margin-top: var(--space-2); }
.form__submit { min-width: 220px; }
.form__loading { display: none; }
.form__submit.is-loading { pointer-events: none; }
.form__submit.is-loading .form__label { display: none; }
.form__submit.is-loading .form__loading { display: inline; }
.dots::after { content: "…"; }
.form__error {
  padding-left: var(--space-4);
  border-left: 2px solid var(--accent);
  font-size: 14px;
  color: var(--text);
  max-width: 56ch;
}

.form-done {
  padding: var(--space-7) var(--space-6);
  background: var(--surface);
  border: var(--line);
  border-radius: var(--radius-2);
  outline: none;
}
.form-done .mono { color: var(--text-dim); }
.form-done h3 {
  margin-top: var(--space-6);
  font-size: clamp(36px, 4.4vw, 64px);
  line-height: 1;
  letter-spacing: -0.035em;
}
.form-done p:not(.mono) { margin-top: var(--space-4); color: var(--text-dim); max-width: 44ch; }
.form-done .link--arrow { margin-top: var(--space-6); }
.form-done:not([hidden]) > * { animation: rise var(--dur-el) var(--ease) both; }
.form-done:not([hidden]) > :nth-child(2) { animation-delay: 60ms; }
.form-done:not([hidden]) > :nth-child(3) { animation-delay: 120ms; }
.form-done:not([hidden]) > :nth-child(4) { animation-delay: 180ms; }
@keyframes rise { from { opacity: 0; transform: translateY(var(--reveal-y)); } }

.direct__item {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding-block: var(--space-5);
  border-top: var(--line);
  text-decoration: none;
}
.direct__item .mono { color: var(--text-dim); }
.direct__v {
  align-self: flex-start;
  font-family: var(--font-display);
  font-size: clamp(22px, 2.3vw, 34px);
  font-weight: var(--weight-medium);
  letter-spacing: -0.03em;
  line-height: 1.15;
  background: linear-gradient(var(--accent), var(--accent)) 0 100% / 0 2px no-repeat;
  transition: background-size var(--dur-link) var(--ease);
  word-break: break-word;
}
.direct__item:hover .direct__v, .direct__item:focus-visible .direct__v { background-size: 100% 2px; }
.direct__note { padding-top: var(--space-4); border-top: var(--line); color: var(--text-dim); }

/* ---------------------------------------------------------------- footer */
.footer {
  position: relative;
  margin-top: calc(var(--section-gap) / 2);
  padding-top: var(--space-9);
  background: var(--surface);
  border-top: var(--line);
  overflow: hidden;
}
.footer__top { row-gap: var(--space-7); }
.footer__brand { grid-column: 1 / span 5; }
.footer__logo { font-size: 56px; }
.footer__line { margin-top: var(--space-5); max-width: 30ch; color: var(--text-dim); }
.footer__nav, .footer__contacts {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-2);
  font-size: 15px;
}
.footer__nav { grid-column: 7 / span 3; }
.footer__contacts { grid-column: 10 / -1; }
.footer__nav .mono, .footer__contacts .mono { color: var(--text-dim); margin-bottom: var(--space-3); }
.footer__up { margin-top: var(--space-5); }
.footer__legal {
  grid-column: 1 / -1;
  padding-top: var(--space-5);
  border-top: var(--line);
  font-size: var(--fs-small);
  line-height: 1.7;
  color: var(--text-dim);
}
.footer__word {
  display: block;
  width: 100%;
  height: auto;
  margin-top: var(--space-7);
  margin-bottom: -5.5vw;
  padding-inline: calc(var(--gutter) / 2);
  user-select: none;
}
.footer__word text {
  font-family: var(--font-display);
  font-size: 200px;
  font-weight: var(--weight-semi);
  letter-spacing: -0.06em;
  fill: var(--border-strong);
}

/* ---------------------------------------------------------------- tablet ≤1024 */
@media (max-width: 1024px) {
  .nav__links { display: none; }
  .nav__burger { display: inline-flex; align-items: center; }

  .sec-head__title { grid-column: 1 / -1; }
  .sec-head__lead { grid-column: 1 / span 7; }

  .hero__lead { grid-column: 1 / span 7; }
  .hero__facts { grid-column: 1 / span 7; }
  .hero__grid { grid-template-rows: auto 1fr auto auto; }
  .hero__scroll { display: none; }

  .case--a .case__stage,
  .case--b .case__stage,
  .case--wide .case__stage { grid-column: 1 / -1; }
  .case--a .case__body { grid-column: 3 / -1; grid-row: 3; padding: var(--space-6) 0 0; }
  .case--b .case__body { grid-column: 1 / span 10; grid-row: 3; padding: var(--space-6) 0 0; }
  .case--b .case__num { grid-column: 1 / -1; text-align: left; }
  .case--wide .case__body { grid-column: 1 / -1; }
  .quiz { right: var(--space-4); }
  .board { left: var(--space-4); }
  .counter { right: var(--space-4); }
  .phone--float { right: var(--space-4); }

  .why__title, .why__quote { grid-column: 1 / -1; margin-left: 0; }
  .why__list li:nth-child(2) { margin-top: var(--space-6); }
  .why__list li:nth-child(3) { margin-top: calc(var(--space-6) * 2); }

  .plan { grid-column: span 6; }
  .plan:nth-child(n) { margin-top: 0; }
  .plan:nth-child(even) { margin-top: var(--space-7); }
  .plans__note { grid-column: 1 / -1; margin-top: 0; }
  .plan-custom .plan__k { grid-column: 1 / -1; }
  .plan-custom__text { grid-column: 1 / span 9; }

  .steps__list { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: var(--space-8); }
  .steps__line { display: none; }

  .about__photo { grid-column: 1 / span 6; position: static; }
  .about__text { grid-column: 1 / -1; grid-row: 3; }
  .about__title { margin-left: 0; margin-bottom: var(--space-6); }

  .faq__side { grid-column: 1 / -1; position: static; }
  .faq__list { grid-column: 1 / -1; margin-top: 0; }

  .contact__lead { grid-column: 1 / span 8; }
  .contact__form-wrap { grid-column: 1 / -1; }
  .direct { grid-column: 1 / -1; margin-top: 0; }

  .footer__brand { grid-column: 1 / -1; }
  .footer__nav { grid-column: 1 / span 6; }
  .footer__contacts { grid-column: 7 / -1; }
}

/* ---------------------------------------------------------------- mobile ≤767 */
@media (max-width: 767px) {
  .nav__tg { display: none; }

  .sec-head { margin-bottom: var(--space-8); row-gap: var(--space-6); }
  .sec-head__lead { grid-column: 1 / -1; }

  .hero { padding-top: calc(var(--nav-h) + var(--space-6)); padding-bottom: var(--space-6); }
  .hero__meta-geo, .hero__meta-sep { display: none; }
  .hero__title { font-size: clamp(40px, 11.6vw, 64px); }
  .line--shift { padding-left: 0; }
  .hero__lead, .hero__facts { grid-column: 1 / -1; }
  .hero__cta { gap: var(--space-5); }

  .case + .case { margin-top: var(--space-9); }
  .case--a .case__body, .case--b .case__body { grid-column: 1 / -1; }
  .case--a .case__num { grid-column: 1 / -1; }
  .case--wide .case__num { grid-column: 1 / -1; }
  .case--wide .case__body { display: flex; padding-top: var(--space-6); }
  .case--wide .case__facts { margin-top: var(--space-6); }

  .stage-quiz, .stage-board, .stage-catalog { padding: 0; }
  .quiz, .board, .counter {
    position: relative;
    inset: auto;
    width: auto;
    margin: calc(-1 * var(--space-6)) var(--space-4) 0;
  }
  .board { margin: 0 var(--space-4) calc(-1 * var(--space-5)); }
  .flap { font-size: 14px; }
  .counter p { padding: var(--space-4); }
  .phone--float { display: none; }

  .stage-bot { grid-template-columns: 1fr; }
  .stage-bot .phone { display: none; }
  .chat__feed { min-height: 0; }

  .cascade { top: calc(32px + 8%); }
  .cascade__node text { font-size: 18px; }

  .pipe li { font-size: 10px; letter-spacing: 0.02em; }

  .why__list { grid-template-columns: 1fr; row-gap: var(--space-6); }
  .why__list li:nth-child(n) { margin-top: 0; }
  .why__list h3 { margin-top: var(--space-4); }
  .why__quote { padding-left: var(--space-4); }

  .svc__row {
    grid-template-columns: 32px 1fr 20px;
    row-gap: var(--space-2);
    padding: var(--space-5) 0;
  }
  .svc__name { grid-column: 2; }
  .svc__meta { grid-column: 2; grid-row: 2; text-align: left; font-size: 11px; }
  .svc__plus { grid-column: 3; grid-row: 1; }
  .svc__panel p { margin-left: calc(32px + var(--space-5)); padding-right: 0; }

  .plan, .plan:nth-child(n) { grid-column: 1 / -1; margin-top: 0; }
  .plan--featured { margin-top: var(--space-4) !important; }
  .plan-custom { grid-template-columns: 1fr; row-gap: var(--space-4); }
  .plan-custom .plan__k, .plan-custom__text, .plan-custom .link--arrow { grid-column: 1; justify-self: start; }

  .steps__list { grid-template-columns: 1fr; row-gap: var(--space-7); padding-left: var(--space-6); }
  .steps__line { display: block; top: 0; bottom: 0; left: 4px; right: auto; width: 1px; height: auto; }
  .steps__line span { transform: scaleY(var(--p, 0)); transform-origin: top; }
  .step { padding-top: 0; }
  .step__dot { left: calc(-1 * var(--space-6)); top: 6px; }

  .about__photo { grid-column: 1 / -1; }
  .about__appstore { grid-template-columns: 1fr; gap: var(--space-2); }
  .stack { grid-template-columns: 1fr 1fr; row-gap: var(--space-6); }

  .contact__title { min-height: 0; font-size: clamp(44px, 12.5vw, 72px); }
  .contact__lead { grid-column: 1 / -1; }
  .form { grid-template-columns: 1fr; }
  .field--half { grid-column: 1 / -1; }
  .form__submit { width: 100%; }

  .footer { padding-top: var(--space-8); }
  .footer__nav, .footer__contacts { grid-column: 1 / -1; }
  .footer__word { margin-top: var(--space-6); padding-inline: 0; }
}

/* ---------------------------------------------------------------- reduced motion */
@media (prefers-reduced-motion: reduce) {
  .line__in, .w__in { transform: none !important; }
  .marquee__track { animation: none; flex-wrap: wrap; width: auto; }
  .marquee__list[aria-hidden] { display: none; }
  .marquee__list { flex-wrap: wrap; padding-inline: var(--gutter); row-gap: var(--space-3); }
  .hero__scroll-line::after { animation: none; transform: none; }
  .strips__cover { display: none; }
  .msg { opacity: 1; transform: none; }
  .phone--float { --lift-y: 0; --lift-o: 1; }
  .about__img { clip-path: none; }
  .about__img img { transform: none; }
  .frame__img { transform: none; }
  .form-done > * { animation: none !important; }
}

/* ---------------------------------------------------------------- light theme tweaks */
[data-theme="light"] .phone { background: #1A1715; }
[data-theme="light"] .field select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none'%3E%3Cpath d='M1 1.5 6 6.5l5-5' stroke='%23625A52' stroke-width='1.5'/%3E%3C/svg%3E");
}
[data-theme="light"] .check input:checked {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' fill='none'%3E%3Cpath d='m2 6.2 2.6 2.6L10 3.4' stroke='%23F3EEE7' stroke-width='1.8'/%3E%3C/svg%3E");
}
[data-theme="light"] .frame--dim .frame__view::after { opacity: 0.8; }

/* ---------------------------------------------------------------- документы и 404 */
.page-doc .doc { padding-top: calc(var(--nav-h-scrolled) + var(--space-8)); padding-bottom: var(--space-9); min-height: 80vh; }
.doc .grid { row-gap: var(--space-6); }
.doc__title {
  grid-column: 1 / span 9;
  margin-top: var(--space-4);
  font-size: var(--fs-h2);
  line-height: var(--lh-h2);
}
.doc__title--xl { font-size: var(--fs-display); line-height: var(--lh-display); letter-spacing: var(--ls-display); }
.doc__toc {
  grid-column: 1 / span 3;
  align-self: start;
  position: sticky;
  top: calc(var(--nav-h-scrolled) + var(--space-6));
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-2);
  margin-top: var(--space-6);
  color: var(--text-dim);
  font-size: 11px;
}
.doc__toc a { text-decoration: none; }
.doc__body { grid-column: 5 / span 7; margin-top: var(--space-6); }
.doc__body--wide { grid-column: 1 / span 8; }
.doc__body section + section { margin-top: var(--space-7); }
.doc__body h2 {
  display: flex;
  gap: var(--space-4);
  align-items: baseline;
  margin-bottom: var(--space-4);
  padding-top: var(--space-4);
  border-top: var(--line);
  font-size: var(--fs-h3);
  line-height: var(--lh-h3);
  letter-spacing: var(--ls-h3);
  font-weight: var(--weight-medium);
}
.doc__body h2 .mono { color: var(--text-dim); }
.doc__body p { color: var(--text-dim); max-width: 68ch; }
.doc__body p + p { margin-top: var(--space-3); }
.doc__lead { grid-column: 1 / span 7; font-size: var(--fs-lead); line-height: var(--lh-lead); color: var(--text) !important; }
.doc__dl { margin-block: var(--space-7); }
.doc__dl > div {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: var(--space-5);
  padding-block: var(--space-4);
  border-top: var(--line);
}
.doc__dl > div:last-child { border-bottom: var(--line); }
.doc__dl dt { color: var(--text-dim); padding-top: 4px; }
.doc--404 .grid > p:last-child { grid-column: 1 / -1; }
.doc-foot { border-top: var(--line); background: var(--surface); padding-block: var(--space-6); font-size: var(--fs-small); color: var(--text-dim); }
.doc-foot p { grid-column: 1 / -1; }

@media (max-width: 1024px) {
  .doc__title, .doc__lead, .doc__body, .doc__body--wide { grid-column: 1 / -1; }
  .doc__toc { display: none; }
}
@media (max-width: 767px) {
  .doc__dl > div { grid-template-columns: 1fr; gap: var(--space-2); }
}