/* ---------- Шрифт (лежит локально, без сторонних CDN) ---------- */
@font-face {
  font-family: "Onest";
  src: url("../fonts/onest-cyrillic.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
@font-face {
  font-family: "Onest";
  src: url("../fonts/onest-latin.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+20AC, U+20BD, U+2122, U+2190-2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* ---------- Токены ---------- */
:root {
  --paper: #f5f3ee;
  --paper-2: #ebe8e0;
  --card: #ffffff;
  --ink: #101820;
  --ink-2: #47515c;
  --line: #d9d5ca;
  --accent: #e8501f;
  --accent-ink: #c33f13;
  --dark: #101820;
  --dark-2: #1a242e;
  --dark-line: #2c3844;
  --on-dark: #f5f3ee;
  --on-dark-2: #a9b3bd;
  --danger: #c62828;

  --radius: 16px;
  --radius-s: 10px;
  --container: 1200px;
  --gutter: clamp(20px, 4vw, 40px);
  --section: clamp(72px, 10vw, 128px);
  --header-h: 68px;
}

/* ---------- База ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 16px); -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Onest", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
h1, h2, h3, p, ul, ol, dl, dd { margin: 0; }
ul, ol { padding: 0; list-style: none; }
a { color: inherit; }
img, svg { max-width: 100%; display: block; }
[hidden] { display: none !important; }

h1, h2, h3 { font-weight: 600; letter-spacing: -0.025em; text-wrap: balance; }
h1 { font-size: clamp(2.35rem, 5vw, 4.1rem); line-height: 1.04; letter-spacing: -0.035em; }
h1 .accent { display: block; }
h2 { font-size: clamp(1.9rem, 3.6vw, 3rem); line-height: 1.08; }
h3 { font-size: 1.25rem; line-height: 1.25; }
p { text-wrap: pretty; }

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

.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: var(--gutter); }
.accent { color: var(--accent); }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip-link { position: absolute; left: 16px; top: -100px; z-index: 100; background: var(--ink); color: var(--paper); padding: 10px 16px; border-radius: 8px; }
.skip-link:focus { top: 12px; }

.eyebrow {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-2);
}

/* ---------- Кнопки ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 24px;
  border: 0;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font: inherit;
  font-weight: 600;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  transition: background-color .2s, transform .2s;
}
.btn:hover { background: var(--accent-ink); }
.btn:active { transform: translateY(1px); }
.btn span { transition: transform .2s; }
.btn:hover span { transform: translateX(4px); }
.btn--small { padding: 10px 18px; font-size: 0.94rem; }
.btn--large { padding: 18px 32px; font-size: 1.08rem; }
.btn--block { width: 100%; }
.btn[disabled] { opacity: .6; cursor: progress; }

/* ---------- Шапка ---------- */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s;
}
.header.is-scrolled { border-bottom-color: var(--line); }
.header__inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: var(--header-h); }

.logo { font-weight: 700; font-size: 1.3rem; letter-spacing: -0.03em; text-decoration: none; color: inherit; }
.logo span { color: var(--accent); }

.nav { display: flex; align-items: center; gap: 28px; }
.nav__list { display: flex; gap: 26px; }
.nav__list a { text-decoration: none; font-size: 0.95rem; color: var(--ink-2); transition: color .2s; }
.nav__list a:hover { color: var(--ink); }

.nav-toggle { display: none; width: 44px; height: 44px; padding: 0; border: 0; background: none; cursor: pointer; color: inherit; }
.nav-toggle__bars, .nav-toggle__bars::before, .nav-toggle__bars::after {
  display: block; width: 22px; height: 2px; background: currentColor; border-radius: 2px; margin-inline: auto; transition: transform .2s, background-color .2s;
}
.nav-toggle__bars { position: relative; }
.nav-toggle__bars::before, .nav-toggle__bars::after { content: ""; position: absolute; left: 0; }
.nav-toggle__bars::before { top: -7px; }
.nav-toggle__bars::after { top: 7px; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero { padding-block: clamp(40px, 7vw, 88px) clamp(48px, 6vw, 80px); overflow: hidden; }
.hero__grid { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: clamp(24px, 4vw, 64px); align-items: center; }
.hero__text > * + * { margin-top: 24px; }
.hero__lead { font-size: clamp(1.08rem, 1.5vw, 1.3rem); color: var(--ink-2); max-width: 36em; }
.hero .btn { margin-top: 36px; }

.hero__visual svg { width: 100%; height: auto; }
.viz-links path { stroke: var(--line); stroke-width: 2; }
.viz-flows path { stroke: var(--accent); stroke-width: 2; stroke-linecap: round; stroke-dasharray: 3 9; animation: flow 1.6s linear infinite; }
.node { fill: var(--card); stroke: var(--ink); stroke-width: 2; }
.node--ink { fill: var(--ink); }
.node--accent { fill: var(--accent); stroke: var(--accent); }
.node--soft { fill: var(--paper-2); }
.viz-marks path { stroke: var(--line); stroke-width: 4; stroke-linecap: round; }
.viz-marks path:first-child { stroke: var(--ink-2); }
.viz-check { stroke: #fff; stroke-width: 4; stroke-linecap: round; stroke-linejoin: round; }
.panel { fill: var(--ink); }
.viz-bars rect { fill: var(--dark-line); }
.viz-bars .bar--accent { fill: var(--accent); }
.viz-line { stroke: var(--on-dark); stroke-width: 3; stroke-linecap: round; stroke-linejoin: round; }
.viz-dot { fill: var(--accent); stroke: var(--ink); stroke-width: 3; }
.viz-panel-marks { stroke: var(--dark-line); stroke-width: 6; stroke-linecap: round; }
@keyframes flow { to { stroke-dashoffset: -24; } }

.facts {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  margin-top: clamp(40px, 6vw, 72px);
  border-top: 1px solid var(--line);
}
.facts li { padding: 22px 20px 0 0; }
.facts li + li { padding-left: 20px; border-left: 1px solid var(--line); }
.facts strong { display: block; font-size: clamp(1.3rem, 2vw, 1.7rem); font-weight: 600; letter-spacing: -0.03em; line-height: 1.1; white-space: nowrap; }
.facts span { display: block; margin-top: 8px; font-size: 0.88rem; line-height: 1.4; color: var(--ink-2); }

/* ---------- Секции ---------- */
.section { padding-block: var(--section); }
.section--tinted { background: var(--paper-2); }
.section--dark { background: var(--dark); color: var(--on-dark); }
.section--dark .eyebrow { color: var(--on-dark-2); }
.section__head { max-width: 820px; margin-bottom: clamp(32px, 5vw, 56px); }
.section__head .eyebrow { margin-bottom: 14px; }

.bridge {
  margin-top: clamp(36px, 5vw, 64px);
  padding-left: 24px;
  border-left: 3px solid var(--accent);
  max-width: 860px;
  font-size: clamp(1.15rem, 1.9vw, 1.5rem);
  font-weight: 500;
  line-height: 1.35;
  letter-spacing: -0.015em;
}

/* ---------- Боли ---------- */
.pains { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.pain { padding: clamp(24px, 3vw, 36px); background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); }
.pain__icon { width: 36px; height: 36px; margin-bottom: 22px; fill: none; stroke: var(--accent); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.pain h3 { font-size: clamp(1.15rem, 1.6vw, 1.4rem); }
.pain p { margin-top: 12px; color: var(--ink-2); }

/* ---------- Услуги ---------- */
.services { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.service { display: flex; flex-direction: column; padding: clamp(24px, 2.6vw, 36px); background: var(--card); border-radius: var(--radius); }
.service__num { font-size: 0.85rem; font-weight: 600; color: var(--accent); letter-spacing: 0.06em; }
.service h3 { margin-top: 18px; font-size: 1.55rem; }
.service__lead { margin-top: 10px; font-weight: 500; }
.ticks { margin-top: 24px; padding-top: 24px; border-top: 1px solid var(--line); display: grid; gap: 14px; }
.ticks li { position: relative; padding-left: 26px; font-size: 0.96rem; line-height: 1.45; color: var(--ink-2); }
.ticks li::before { content: ""; position: absolute; left: 2px; top: 0.42em; width: 11px; height: 6px; border-left: 2px solid var(--accent); border-bottom: 2px solid var(--accent); transform: rotate(-45deg); }

.cta-row { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 20px; margin-top: 20px; padding: clamp(24px, 3vw, 36px); background: var(--ink); color: var(--on-dark); border-radius: var(--radius); }
.cta-row p { font-size: clamp(1.15rem, 1.8vw, 1.45rem); font-weight: 500; letter-spacing: -0.015em; }

/* ---------- Процесс ---------- */
.steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 28px; counter-reset: step; }
.step { position: relative; padding-top: 34px; border-top: 2px solid var(--ink); }
.step__num { position: absolute; top: -19px; left: 0; display: grid; place-items: center; width: 36px; height: 36px; border-radius: 50%; background: var(--ink); color: var(--paper); font-weight: 600; font-size: 0.95rem; }
.step:first-child .step__num { background: var(--accent); }
.step:first-child { border-top-color: var(--accent); }
.step__term { margin-top: 6px; font-size: 0.82rem; font-weight: 500; letter-spacing: 0.06em; text-transform: uppercase; color: var(--accent-ink); }
.step p:last-child { margin-top: 14px; color: var(--ink-2); font-size: 0.98rem; }

/* ---------- Кейсы ---------- */
.cases { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 20px; }
.case { grid-column: span 2; display: flex; flex-direction: column; padding: clamp(24px, 2.6vw, 36px); background: var(--dark-2); border: 1px solid var(--dark-line); border-radius: var(--radius); }
.case--wide { grid-column: span 3; }
.case__tag { font-size: 0.8rem; font-weight: 500; letter-spacing: 0.07em; text-transform: uppercase; color: var(--on-dark-2); }
.case__metrics { display: flex; flex-wrap: wrap; gap: 20px 36px; margin-block: 28px; }
.metric strong { display: block; font-size: clamp(2.2rem, 3.6vw, 3.4rem); font-weight: 600; line-height: 1; letter-spacing: -0.04em; color: var(--accent); white-space: nowrap; }
.case--wide .metric strong { font-size: clamp(2.6rem, 5vw, 4.4rem); }
.metric--text strong { font-size: clamp(1.9rem, 2.8vw, 2.6rem); }
.metric span { display: block; margin-top: 10px; max-width: 16em; font-size: 0.95rem; line-height: 1.35; }
.case__text { margin-top: auto; padding-top: 24px; border-top: 1px solid var(--dark-line); color: var(--on-dark-2); font-size: 0.96rem; }

/* ---------- Команда ---------- */
.team { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; align-items: start; }
.person { padding: clamp(24px, 3vw, 40px); background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); }
.person__head { display: flex; align-items: center; gap: 18px; margin-bottom: 24px; }
.person__mono { flex: none; display: grid; place-items: center; width: 64px; height: 64px; border-radius: 50%; background: var(--ink); color: var(--paper); font-weight: 600; font-size: 1.15rem; letter-spacing: 0.02em; }
.person h3 { font-size: 1.45rem; }
.person__role { margin-top: 4px; font-size: 0.95rem; color: var(--accent-ink); font-weight: 500; }
.person > p { color: var(--ink-2); font-size: 0.99rem; }
.person > p + p { margin-top: 14px; }

/* ---------- Отличия ---------- */
.reasons { counter-reset: reason; border-top: 1px solid var(--line); }
.reason { counter-increment: reason; display: grid; grid-template-columns: 72px minmax(0, 1fr) minmax(0, 1.25fr); gap: 16px 32px; padding-block: clamp(22px, 3vw, 34px); border-bottom: 1px solid var(--line); }
.reason::before { content: "0" counter(reason); font-size: 0.9rem; font-weight: 600; color: var(--accent); letter-spacing: 0.06em; padding-top: 6px; }
.reason h3 { font-size: clamp(1.2rem, 1.9vw, 1.5rem); }
.reason p { color: var(--ink-2); }

/* ---------- FAQ ---------- */
.faq-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.8fr); gap: clamp(24px, 5vw, 80px); align-items: start; }
.faq-grid .section__head { margin-bottom: 0; position: sticky; top: calc(var(--header-h) + 32px); }
.faq { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { position: relative; padding: 24px 52px 24px 0; font-size: clamp(1.08rem, 1.5vw, 1.25rem); font-weight: 500; letter-spacing: -0.015em; cursor: pointer; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::before, .faq summary::after { content: ""; position: absolute; right: 8px; top: 50%; width: 18px; height: 2px; margin-top: -1px; background: var(--ink); border-radius: 2px; transition: transform .2s; }
.faq summary::after { transform: rotate(90deg); }
.faq details[open] summary::after { transform: rotate(0); }
.faq summary:hover { color: var(--accent-ink); }
.faq details p { padding: 0 52px 26px 0; color: var(--ink-2); max-width: 46em; }

/* ---------- Контакты и форма ---------- */
.contact__grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); gap: clamp(32px, 6vw, 88px); align-items: start; }
.contact__intro .eyebrow { margin-bottom: 14px; }
.contact__lead { margin-top: 20px; font-size: clamp(1.05rem, 1.4vw, 1.2rem); color: var(--on-dark-2); max-width: 30em; }
.contact__alt { display: grid; gap: 18px; margin-top: 40px; padding-top: 32px; border-top: 1px solid var(--dark-line); }
.contact__alt dt { font-size: 0.8rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--on-dark-2); }
.contact__alt dd { margin-top: 4px; font-size: 1.25rem; font-weight: 500; }
.contact__alt a { text-decoration: none; border-bottom: 1px solid var(--dark-line); transition: border-color .2s, color .2s; }
.contact__alt a:hover { color: var(--accent); border-color: var(--accent); }

.form { display: grid; gap: 20px; padding: clamp(24px, 3.4vw, 44px); background: var(--paper); color: var(--ink); border-radius: var(--radius); }
.form__row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.field label { display: block; margin-bottom: 8px; font-size: 0.9rem; font-weight: 500; }
.optional { font-weight: 400; color: var(--ink-2); }
.optional::before { content: "· "; }
.field input[type="text"], .field input[type="email"], .field input[type="tel"], .field textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-s);
  background: var(--card);
  color: inherit;
  font: inherit;
  transition: border-color .2s, box-shadow .2s;
}
.field textarea { resize: vertical; min-height: 112px; }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--ink); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 30%, transparent); }
.field [aria-invalid="true"] { border-color: var(--danger); }
.field__error { margin-top: 6px; font-size: 0.85rem; color: var(--danger); }

.field--check { display: grid; grid-template-columns: 22px minmax(0, 1fr); gap: 4px 12px; align-items: start; }
.field--check input { width: 22px; height: 22px; margin: 1px 0 0; accent-color: var(--accent); cursor: pointer; }
.field--check label { margin: 0; font-size: 0.88rem; font-weight: 400; line-height: 1.45; color: var(--ink-2); cursor: pointer; }
.field--check .field__error { grid-column: 2; margin-top: 2px; }

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

.form__status { padding: 14px 16px; border-radius: var(--radius-s); background: var(--paper-2); font-size: 0.95rem; }
.form__status.is-error { background: #fbe9e7; color: #8e1c1c; }
.form__status.is-success { background: #e4f1e7; color: #1c5a2e; }
.form__status a { font-weight: 500; }

/* ---------- Футер ---------- */
.footer { padding-block: clamp(48px, 6vw, 72px) 32px; background: var(--dark); color: var(--on-dark); border-top: 1px solid var(--dark-line); }
.footer__grid { display: grid; grid-template-columns: 1.2fr 1.6fr 1fr; gap: 40px; }
.footer__brand p { margin-top: 10px; color: var(--on-dark-2); }
.footer__nav { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px 24px; }
.footer__contacts { display: grid; gap: 10px; align-content: start; }
.footer a { color: var(--on-dark-2); text-decoration: none; transition: color .2s; }
.footer a:hover { color: var(--on-dark); }
.footer .logo { color: var(--on-dark); }
.footer__legal { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px 32px; margin-top: 48px; font-size: 0.88rem; color: var(--on-dark-2); }
.footer__legal::before { content: ""; flex-basis: 100%; height: 1px; margin-bottom: 12px; background: var(--dark-line); }
.footer__legal a { text-decoration: underline; text-underline-offset: 3px; }

/* ---------- Страница политики ---------- */
.doc { padding-block: clamp(40px, 6vw, 80px) var(--section); }
.doc__inner { max-width: 780px; }
.doc h1 { font-size: clamp(1.9rem, 3.6vw, 2.8rem); line-height: 1.1; }
.doc h2 { margin-top: 44px; font-size: 1.4rem; line-height: 1.25; }
.doc p, .doc ul { margin-top: 14px; color: var(--ink-2); }
.doc ul { padding-left: 22px; list-style: disc; }
.doc li + li { margin-top: 6px; }
.doc a { color: var(--accent-ink); }
.doc__meta { margin-top: 16px; font-size: 0.9rem; }
.doc mark { background: #ffe9a8; color: var(--ink); padding: 1px 5px; border-radius: 4px; }
.doc__back { display: inline-block; margin-bottom: 28px; font-size: 0.95rem; text-decoration: none; color: var(--ink-2); }
.doc__back:hover { color: var(--ink); }

/* ---------- Появление при прокрутке ---------- */
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.js .reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
  .viz-flows path { animation: none; }
  .btn, .btn span { transition: none; }
}

/* ---------- Адаптив ---------- */
@media (max-width: 1080px) {
  .services { grid-template-columns: 1fr; }
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 48px; }
  .case, .case--wide { grid-column: span 3; }
  .case:last-child { grid-column: span 6; }
  .facts { grid-template-columns: repeat(3, minmax(0, 1fr)); row-gap: 8px; }
  .facts li:nth-child(4) { padding-left: 0; border-left: 0; }
  .reason { grid-template-columns: 48px minmax(0, 1fr); }
  .reason p { grid-column: 2; }
}

@media (max-width: 900px) {
  .nav-toggle { display: block; }
  .nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 20px;
    padding: 12px var(--gutter) 28px;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    display: none;
  }
  .nav.is-open { display: flex; }
  .nav__list { flex-direction: column; gap: 0; }
  .nav__list a { display: block; padding: 14px 0; font-size: 1.1rem; color: var(--ink); border-bottom: 1px solid var(--line); }
  .nav .btn { padding: 16px 24px; font-size: 1rem; }

  .hero__grid { grid-template-columns: 1fr; }
  .hero__visual { max-width: 440px; margin-inline: auto; }
  .team, .faq-grid, .contact__grid { grid-template-columns: 1fr; }
  .faq-grid .section__head { position: static; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; }
}

@media (max-width: 640px) {
  body { font-size: 16px; }
  .pains, .steps, .form__row, .footer__grid { grid-template-columns: 1fr; }
  .case, .case--wide, .case:last-child { grid-column: span 6; }
  .facts { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .facts li, .facts li + li { padding: 18px 12px 0 0; border-left: 0; }
  .facts li:nth-child(2) { grid-column: 1 / -1; grid-row: 2; }
  .facts strong { white-space: normal; }
  .steps { row-gap: 44px; }
  .cta-row .btn, .hero .btn { width: 100%; }
  .faq summary { padding-right: 40px; }
  .faq details p { padding-right: 0; }
  .bridge { padding-left: 18px; }
}