/* ============================================================
   OneTen — лендинг. Направление «инженерная уверенность».
   Токены → база → компоненты → секции → адаптив → анимация.
   ============================================================ */

/* ---------- Токены ---------- */
:root {
  /* Цвет */
  --bg: #FFFFFF;
  --surface-quiet: #F0F4F1;
  --ink: #1B211E;
  --muted: #5C625E;
  --hairline: #E2E7E4;
  --hairline-2: #CBD5CF;
  --green: #14603F;
  --green-deep: #0E3D2A;
  --green-deeper: #0A2E20;
  --amber: #E4883C;
  --amber-strong: #CF7526;
  --green-tint: rgba(20, 96, 63, 0.06);
  --green-tint-2: rgba(20, 96, 63, 0.12);

  /* Текст на тёмном */
  --on-dark: #EDF3EF;
  --on-dark-muted: #A6BCB0;

  /* Шрифты */
  --font-display: "Unbounded", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-body: "Golos Text", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  /* Типографическая шкала */
  --fs-display: clamp(2.35rem, 1.35rem + 4.2vw, 4.5rem);
  --fs-h2: clamp(1.75rem, 1.15rem + 2.6vw, 2.9rem);
  --fs-h3: clamp(1.2rem, 1.05rem + 0.7vw, 1.45rem);
  --fs-lead: clamp(1.05rem, 0.98rem + 0.5vw, 1.3rem);
  --fs-body: 1.0625rem;

  /* Ритм и раскладка */
  --section-y: clamp(4rem, 2.5rem + 6vw, 8rem);
  --container: 1200px;
  --gutter: clamp(1.25rem, 0.5rem + 3vw, 2.5rem);
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 18px;

  /* Тени (сдержанные, без glow) */
  --shadow-sm: 0 1px 2px rgba(16, 32, 24, 0.05);
  --shadow-header: 0 6px 24px -12px rgba(16, 32, 24, 0.22);
  --shadow-card: 0 22px 48px -28px rgba(14, 61, 42, 0.35);

  /* Z-index — семантическая шкала */
  --z-base: 1;
  --z-sticky: 100;
  --z-nav: 200;
  --z-overlay: 300;

  /* Движение */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --dur: 0.6s;
}

/* ---------- Сброс / база ---------- */
*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.65;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

h1, h2, h3, p, ul, ol, dl, dd, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
button { font: inherit; cursor: pointer; }
[hidden] { display: none !important; }

:focus-visible {
  outline: 3px solid var(--amber);
  outline-offset: 2px;
  border-radius: 4px;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: var(--z-overlay);
  background: var(--ink);
  color: #fff;
  padding: 0.75rem 1.25rem;
  border-radius: 0 0 var(--radius) 0;
}
.skip-link:focus { left: 0; }

/* ---------- Типографика заголовков ---------- */
.section__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-h2);
  line-height: 1.12;
  letter-spacing: -0.03em;
  text-wrap: balance;
  color: var(--ink);
}

.lead {
  font-size: var(--fs-lead);
  line-height: 1.5;
  color: var(--muted);
  max-width: 62ch;
  text-wrap: pretty;
}

/* ---------- Кнопки ---------- */
.btn {
  --btn-py: 0.75rem;
  --btn-px: 1.25rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.975rem;
  line-height: 1;
  padding: var(--btn-py) var(--btn-px);
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  transition: transform 0.15s var(--ease-out), background-color 0.15s var(--ease-out), border-color 0.15s var(--ease-out), box-shadow 0.15s var(--ease-out);
  white-space: nowrap;
}
.btn:active { transform: translateY(1px) scale(0.99); }

.btn--sm { --btn-py: 0.55rem; --btn-px: 1rem; font-size: 0.9rem; }
.btn--lg { --btn-py: 0.95rem; --btn-px: 1.6rem; font-size: 1.05rem; }
.btn--block { width: 100%; }

.btn--primary {
  background: var(--amber);
  color: var(--ink);
  box-shadow: var(--shadow-sm);
}
.btn--primary:hover { background: var(--amber-strong); }

.btn--ghost {
  background: transparent;
  color: var(--green);
  border-color: var(--hairline-2);
}
.btn--ghost:hover { border-color: var(--green); background: var(--green-tint); }

/* ---------- Логотип (временная реконструкция монограммы; заменить на официальный SVG) ---------- */
.logo { display: inline-flex; align-items: center; gap: 0.6rem; }
.logo__mark { width: 33px; height: 33px; flex-shrink: 0; color: var(--green); }
.logo__mark svg { width: 100%; height: 100%; display: block; }
.logo__stack { display: flex; flex-direction: column; line-height: 1; }
.logo__text {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.12rem;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.logo__accent { color: var(--green); }
.logo__agency {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.58rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 4px;
}

/* ============ ШАПКА ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background: var(--bg);
  border-bottom: 1px solid var(--hairline);
  transition: box-shadow 0.25s var(--ease-out), border-color 0.25s var(--ease-out);
}
.site-header[data-scrolled="true"] {
  box-shadow: var(--shadow-header);
  border-color: transparent;
}
.site-header__inner {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  min-height: 68px;
}
.site-nav { margin-left: auto; }
.site-nav__list { display: flex; gap: 1.75rem; }
.site-nav__list a {
  font-weight: 500;
  font-size: 0.97rem;
  color: var(--muted);
  transition: color 0.15s var(--ease-out);
}
.site-nav__list a:hover { color: var(--ink); }

.site-header__actions { display: flex; align-items: center; gap: 1rem; }
.header-phone {
  font-weight: 600;
  font-size: 0.97rem;
  color: var(--ink);
  white-space: nowrap;
}
.header-phone:hover { color: var(--green); }

.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  background: transparent;
  border: 1px solid var(--hairline-2);
  border-radius: var(--radius-sm);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}
.nav-toggle__bar {
  width: 20px; height: 2px; background: var(--ink);
  transition: transform 0.25s var(--ease-out), opacity 0.2s var(--ease-out);
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) { transform: translateY(3.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) { transform: translateY(-3.5px) rotate(-45deg); }

/* ============ ЭКРАН 1 — HERO ============ */
.hero {
  padding-top: clamp(2.5rem, 1rem + 6vw, 5.5rem);
  padding-bottom: var(--section-y);
  background:
    radial-gradient(120% 80% at 100% 0%, var(--green-tint) 0%, transparent 55%),
    var(--bg);
}
.hero__grid {
  display: grid;
  grid-template-columns: 1.55fr 1fr;
  gap: clamp(2rem, 1rem + 4vw, 4.5rem);
  align-items: center;
}
.hero__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-display);
  line-height: 1.08;
  letter-spacing: -0.032em;
  color: var(--ink);
  text-wrap: balance;
  margin-bottom: 1.5rem;
}
.hero__title-line { display: block; }
.hero__title-accent { color: var(--green); }
.hero__title-muted { color: #9AA09C; }
.hero__sub {
  font-size: var(--fs-lead);
  line-height: 1.5;
  color: var(--muted);
  max-width: 46ch;
  margin-bottom: 2rem;
  text-wrap: pretty;
}
.hero__actions { display: flex; flex-wrap: wrap; gap: 0.85rem; }

/* «Спец-лист» условий */
.spec {
  background: var(--bg);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  padding: 0.5rem 1.5rem;
  box-shadow: var(--shadow-card);
}
.spec__row {
  padding: 1.15rem 0;
  border-bottom: 1px solid var(--hairline);
}
.spec__row:last-child { border-bottom: none; }
.spec__term {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.02rem;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin-bottom: 0.15rem;
}
.spec__desc { font-size: 0.92rem; color: var(--muted); line-height: 1.4; }
.spec__num {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--green);
  font-size: 1.35em;
}
.spec__num--sm { font-size: 1.1em; }

/* ============ ОБЩЕЕ ДЛЯ СЕКЦИЙ ============ */
.section { padding-block: var(--section-y); }

/* ============ ЭКРАН 2 — СТРАТЕГИЯ ============ */
.strategy__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 1rem + 4vw, 4.5rem);
  align-items: start;
}
.strategy__col--text > p { margin-bottom: 1.15rem; color: var(--muted); max-width: 60ch; }
.strategy .lead { margin-top: 1.25rem; }
.strategy__col--text > p.strategy__accent-line {
  color: var(--ink);
  font-weight: 500;
  font-size: 1.08rem;
  background: var(--green-tint);
  padding: 1rem 1.25rem;
  border-radius: var(--radius);
}

/* Поток «стратегия → сайт → инструменты» */
.flow {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  gap: 0.75rem;
  margin-top: 2rem;
}
.flow__step {
  flex: 1 1 0;
  min-width: 150px;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding: 1rem 1.15rem;
  background: var(--surface-quiet);
  border-radius: var(--radius);
  position: relative;
}
.flow__step:not(:last-child)::after {
  content: "";
  position: absolute;
  right: -0.62rem; top: 50%;
  width: 0.75rem; height: 0.75rem;
  border-top: 2px solid var(--green);
  border-right: 2px solid var(--green);
  transform: translateY(-50%) rotate(45deg);
  z-index: 1;
}
.flow__index {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--green);
  letter-spacing: 0.02em;
}
.flow__label { font-weight: 600; color: var(--ink); line-height: 1.25; }

/* ============ ЭКРАН 3 — РЕФРЕЙМ (тёмная) ============ */
.reframe {
  background: var(--green-deep);
  color: var(--on-dark);
}
.reframe__title { color: var(--on-dark); max-width: 20ch; }
.reframe__title-accent { color: var(--amber); }
.reframe__body {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem 3rem;
  margin-top: 1.75rem;
  max-width: 900px;
}
.reframe__body p { color: var(--on-dark-muted); font-size: 1.08rem; line-height: 1.55; }

.verdict {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: clamp(1rem, 0.5rem + 2vw, 2.5rem);
  margin-top: clamp(2.5rem, 1.5rem + 3vw, 4rem);
  padding-top: 2rem;
  border-top: 1px solid rgba(237, 243, 239, 0.14);
}
.verdict__item { display: flex; flex-direction: column; gap: 0.35rem; }
.verdict__label { font-size: 0.95rem; color: var(--on-dark-muted); }
.verdict__value {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.6rem, 1rem + 2.4vw, 2.6rem);
  letter-spacing: -0.02em;
  line-height: 1;
}
.verdict__item--muted .verdict__value { color: var(--on-dark-muted); }
.verdict__item--win .verdict__value { color: var(--amber); }
.verdict__sep {
  width: 1px; align-self: stretch; min-height: 3rem;
  background: rgba(237, 243, 239, 0.14);
}

/* ============ ЭКРАН 4 — 50+ РЕШЕНИЙ / БОЛИ ============ */
.solutions__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 1rem + 4vw, 4.5rem);
  align-items: start;
}
.solutions__count {
  color: var(--green);
  font-family: var(--font-display);
}
.solutions .lead { margin-top: 1.25rem; }

.pains { display: flex; flex-direction: column; gap: 0.6rem; }
.pains__item {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  padding: 0.9rem 1.15rem;
  background: var(--bg);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  font-size: 1.02rem;
  color: var(--ink);
  line-height: 1.4;
}
.pains__icon {
  flex-shrink: 0;
  width: 26px; height: 26px;
  display: grid; place-items: center;
  border-radius: 7px;
  background: var(--green-tint);
  color: var(--green);
  margin-top: 1px;
}
.pains__item--payoff {
  background: var(--green);
  border-color: var(--green);
  color: #fff;
  font-weight: 500;
}
.pains__item--payoff .pains__icon { background: rgba(255,255,255,0.16); color: var(--amber); }

/* ============ ЭКРАН 5 — УСЛУГИ ============ */
.services__head { margin-bottom: clamp(2rem, 1rem + 2vw, 3.25rem); max-width: 32rem; }
.service-list { display: flex; flex-direction: column; }
.service {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.5rem;
  padding: clamp(1.5rem, 1rem + 1.5vw, 2.25rem) 0;
  border-top: 1px solid var(--hairline);
}
.service:last-child { border-bottom: 1px solid var(--hairline); }
.service__icon {
  width: 56px; height: 56px;
  display: grid; place-items: center;
  border-radius: var(--radius);
  background: var(--surface-quiet);
  color: var(--green);
}
.service__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-h3);
  letter-spacing: -0.02em;
  color: var(--ink);
  margin-bottom: 0.35rem;
}
.service__when {
  font-weight: 600;
  color: var(--green);
  margin-bottom: 0.5rem;
}
.service__desc { color: var(--muted); max-width: 68ch; line-height: 1.55; }

@media (min-width: 720px) {
  .service { grid-template-columns: 56px minmax(0, 1fr) minmax(0, 1.4fr); column-gap: 2rem; align-items: start; }
  .service__body { display: contents; }
  .service__name { grid-column: 2; }
  .service__when { grid-column: 2; margin-bottom: 0; }
  .service__desc { grid-column: 3; grid-row: 1 / span 2; align-self: start; }
}

/* ============ ЭКРАН 6 — КЕЙСЫ ============ */
.cases { background: var(--surface-quiet); }
.cases__head { margin-bottom: clamp(2rem, 1rem + 2vw, 3.25rem); }
.cases__head .lead { margin-top: 1rem; }
.case-list { display: flex; flex-direction: column; gap: 1rem; }
.case {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem 2.5rem;
  padding: clamp(1.5rem, 1rem + 1.5vw, 2.25rem);
  background: var(--bg);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
}
.case__niche {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin-bottom: 0.5rem;
}
.case__task { color: var(--muted); line-height: 1.5; max-width: 40ch; }
.case__metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}
.metric { display: flex; flex-direction: column; gap: 0.25rem; }
.metric__value {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.7rem, 1.2rem + 1.8vw, 2.4rem);
  letter-spacing: -0.02em;
  color: var(--green);
  line-height: 1;
}
.metric__label { font-size: 0.9rem; color: var(--muted); line-height: 1.35; }

@media (min-width: 780px) {
  .case { grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.35fr); align-items: center; }
}

/* ============ ФИНАЛ — АУДИТ / ФОРМА ============ */
.audit { background: var(--green-deep); color: var(--on-dark); }
.audit__grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(2rem, 1rem + 4vw, 4.5rem);
  align-items: center;
}
.audit__title { color: var(--on-dark); max-width: 16ch; }
.audit__sub {
  font-size: var(--fs-lead);
  color: var(--on-dark-muted);
  margin-top: 1.25rem;
  max-width: 48ch;
  line-height: 1.5;
}
.audit__points { margin-top: 1.75rem; display: flex; flex-direction: column; gap: 0.75rem; }
.audit__points li {
  position: relative;
  padding-left: 1.75rem;
  color: var(--on-dark);
}
.audit__points li::before {
  content: "";
  position: absolute; left: 0; top: 0.5em;
  width: 0.6rem; height: 0.6rem;
  border-right: 2px solid var(--amber);
  border-bottom: 2px solid var(--amber);
  transform: rotate(45deg);
}
.audit__contacts { display: flex; flex-wrap: wrap; gap: 1.5rem; margin-top: 2rem; }
.audit__contact {
  display: inline-flex; align-items: center; gap: 0.55rem;
  font-weight: 600; color: var(--on-dark);
}
.audit__contact:hover { color: var(--amber); }
.audit__contact-ic { color: var(--amber); }

/* Форма */
.audit__form-wrap {
  background: var(--bg);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 1rem + 1.5vw, 2.25rem);
  box-shadow: var(--shadow-card);
}
.form { position: relative; }
.form__field { margin-bottom: 1.1rem; }
.form__label {
  display: block;
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--ink);
  margin-bottom: 0.45rem;
}
.form__opt { color: var(--muted); font-weight: 400; }
.form__input {
  width: 100%;
  font: inherit;
  color: var(--ink);
  padding: 0.85rem 1rem;
  background: var(--bg);
  border: 1px solid var(--hairline-2);
  border-radius: var(--radius-sm);
  transition: border-color 0.15s var(--ease-out), box-shadow 0.15s var(--ease-out);
}
.form__input::placeholder { color: #9AA09C; }
.form__input:hover { border-color: var(--muted); }
.form__input:focus {
  outline: none;
  border-color: var(--green);
  box-shadow: 0 0 0 3px var(--green-tint-2);
}
.form__input[aria-invalid="true"] {
  border-color: #C0492E;
  box-shadow: 0 0 0 3px rgba(192, 73, 46, 0.14);
}
.form__error {
  display: block;
  min-height: 1.1rem;
  font-size: 0.85rem;
  color: #C0492E;
  margin-top: 0.35rem;
}
.form .btn--block { margin-top: 0.35rem; }
.form__note {
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.45;
  margin-top: 0.85rem;
  text-align: center;
}
.form__success {
  display: flex;
  gap: 0.85rem;
  align-items: flex-start;
  margin-top: 1.25rem;
  padding: 1rem 1.15rem;
  background: var(--green-tint);
  border: 1px solid var(--green);
  border-radius: var(--radius);
}
.form__success-ic {
  flex-shrink: 0;
  width: 34px; height: 34px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: var(--green);
  color: #fff;
}
.form__success-title { font-family: var(--font-display); font-weight: 700; color: var(--ink); }
.form__success-text { font-size: 0.92rem; color: var(--muted); line-height: 1.4; }

/* ============ ФУТЕР ============ */
.site-footer {
  background: var(--green-deeper);
  color: var(--on-dark);
  padding-top: clamp(2.5rem, 1.5rem + 3vw, 4rem);
  padding-bottom: 2rem;
}
.site-footer__inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 2rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid rgba(237, 243, 239, 0.12);
}
.site-footer .logo__mark { color: var(--on-dark); }
.site-footer .logo__text { color: var(--on-dark); }
.site-footer .logo__accent { color: var(--amber); }
.site-footer .logo__agency { color: var(--on-dark-muted); }
.site-footer__tagline { margin-top: 0.85rem; color: var(--on-dark-muted); max-width: 34ch; line-height: 1.5; }
.site-footer__nav { display: flex; flex-direction: column; gap: 0.65rem; }
.site-footer__nav a { color: var(--on-dark-muted); }
.site-footer__nav a:hover { color: var(--on-dark); }
.site-footer__contacts { display: flex; flex-direction: column; gap: 0.65rem; }
.site-footer__contacts a { color: var(--on-dark); font-weight: 600; }
.site-footer__contacts a:hover { color: var(--amber); }
.site-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem;
  padding-top: 1.5rem;
  font-size: 0.88rem;
  color: var(--on-dark-muted);
}

/* ============ АДАПТИВ ============ */
@media (max-width: 960px) {
  .hero__grid { grid-template-columns: 1fr; }
  .strategy__grid,
  .solutions__grid,
  .audit__grid { grid-template-columns: 1fr; }
  .spec { max-width: 480px; }
}

@media (max-width: 820px) {
  .site-nav {
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--hairline);
    box-shadow: var(--shadow-header);
    margin-left: 0;
    display: grid;
    grid-template-rows: 0fr;
    transition: grid-template-rows 0.3s var(--ease-out);
  }
  .site-nav[data-open="true"] { grid-template-rows: 1fr; }
  .site-nav__list {
    flex-direction: column;
    gap: 0;
    overflow: hidden;
  }
  .site-nav__list li { border-top: 1px solid var(--hairline); }
  .site-nav__list li:first-child { border-top: none; }
  .site-nav__list a { display: block; padding: 1rem var(--gutter); }
  .header-phone { display: none; }
  .nav-toggle { display: flex; }
  .site-header__actions { margin-left: auto; }
}

@media (max-width: 560px) {
  .case__metrics { grid-template-columns: repeat(2, 1fr); }
  .site-footer__inner { grid-template-columns: 1fr; gap: 1.75rem; }
  .btn--lg { --btn-px: 1.25rem; }
  .hero__actions .btn { flex: 1 1 auto; }
}

/* ============ АНИМАЦИЯ ============ */
/* Gate: элементы скрыты ТОЛЬКО при активном JS (класс .anim-ready на <html>)
   и отсутствии reduced-motion. Без JS или при reduced-motion — всё видимо.
   Само появление проигрывает библиотека Motion (main.js). */
.anim-ready [data-anim],
.anim-ready .spec__row,
.anim-ready .flow__step,
.anim-ready .verdict__item,
.anim-ready .verdict__sep,
.anim-ready .pains__item,
.anim-ready .case { opacity: 0; }

/* Дуга логотипа в шапке скрыта до draw-on (анимирует Motion) */
.anim-ready .site-header .logo-arc { stroke-dashoffset: 27; }

/* --- Микроинтеракции --- */
.btn--primary:hover { transform: translateY(-1px); box-shadow: 0 8px 20px -8px rgba(207, 117, 38, 0.55); }
.btn--ghost:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0) scale(0.98); }

.case { transition: transform 0.15s var(--ease-out), border-color 0.15s var(--ease-out), box-shadow 0.15s var(--ease-out); }
.case:hover { transform: translateY(-2px); border-color: var(--hairline-2); box-shadow: var(--shadow-card); }

@keyframes field-shake {
  0%, 100% { transform: translateX(0); }
  22% { transform: translateX(-5px); }
  44% { transform: translateX(4px); }
  66% { transform: translateX(-3px); }
  88% { transform: translateX(2px); }
}
.form__input--shake { animation: field-shake 0.28s var(--ease-out); }

/* Блок подавления движения под prefers-reduced-motion намеренно не используется:
   анимации этого лендинга проигрываются для всех (см. canAnimate в main.js). */