/* ==========================================================================
   ОСНОВА-СТ — Архитектор производственной устойчивости
   Стили сайта
   ========================================================================== */

:root {
  --navy-900: #0d1038;
  --navy-800: #14184a;
  --navy-700: #1c2160;
  --navy-600: #2a2f7a;
  --navy-500: #3a40a0;
  --accent:   #4f5bd5;
  --accent-bright: #5d6bf7;
  --accent-soft: #eceefb;

  --ink:      #14183a;
  --ink-mid:  #464b6b;
  --ink-soft: #6f7490;

  --line:     #e2e4ee;
  --bg:       #ffffff;
  --bg-soft:  #f5f6fa;
  --bg-tint:  #eef0f8;

  --maxw: 1180px;
  --radius: 4px;
  --shadow: 0 18px 45px -25px rgba(13, 16, 56, .45);

  --font: "Montserrat", "Helvetica Neue", Arial, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 92px; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink-mid);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--navy-600); }

h1, h2, h3, h4 {
  color: var(--ink);
  font-weight: 700;
  line-height: 1.2;
  margin: 0 0 .6em;
  letter-spacing: -.01em;
}

h1 { font-size: clamp(2rem, 4.4vw, 3.35rem); font-weight: 800; }
h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); }
h3 { font-size: 1.12rem; }

p { margin: 0 0 1.1em; }
ul { margin: 0 0 1.1em; padding-left: 1.1em; }
li { margin-bottom: .45em; }

.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

section { padding: 92px 0; }
.section--soft { background: var(--bg-soft); }
.section--tint { background: var(--bg-tint); }
.section--dark { background: var(--navy-800); color: rgba(255,255,255,.78); }
.section--dark h2,
.section--dark h3 { color: #fff; }

.eyebrow {
  display: inline-block;
  font-size: .74rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 14px;
}
.section--dark .eyebrow { color: #98a2f0; }

.section-head { max-width: 780px; margin-bottom: 52px; }
#about .section-head { max-width: 900px; margin-bottom: 44px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head p { font-size: 1.05rem; }

.lead { font-size: 1.15rem; color: var(--ink-mid); }

/* ---------- Кнопки ---------- */
.btn {
  display: inline-block;
  padding: 15px 30px;
  border: 1px solid var(--navy-700);
  background: var(--navy-700);
  color: #fff;
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  cursor: pointer;
  transition: .22s ease;
}
.btn:hover { background: var(--navy-500); border-color: var(--navy-500); color: #fff; }
.btn--ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.45); }
.btn--ghost:hover { background: #fff; color: var(--navy-800); border-color: #fff; }
/* Главная кнопка призыва — ярче остальных */
.btn--accent {
  background: var(--accent-bright); border-color: var(--accent-bright); color: #fff;
  box-shadow: 0 10px 26px -12px rgba(93,107,247,.85);
}
.btn--accent:hover {
  background: #7b86ff; border-color: #7b86ff; color: #fff;
  box-shadow: 0 12px 30px -10px rgba(123,134,255,.9);
}
.btn--outline { background: transparent; color: var(--navy-700); }
.btn--outline:hover { background: var(--navy-700); color: #fff; }

/* ---------- Шапка ---------- */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(255,255,255,.96);
  backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow .25s ease;
}
.header.is-stuck { box-shadow: 0 8px 30px -18px rgba(13,16,56,.5); }
.header__inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px; height: 84px;
}
.header__logo { display: block; color: var(--navy-700); }
.header__logo .logo { height: 54px; width: auto; }
.logo { display: block; }

.nav { display: flex; align-items: center; gap: 24px; }
.nav a {
  color: var(--ink);
  white-space: nowrap;
  font-size: .84rem;
  font-weight: 600;
  letter-spacing: .02em;
  padding: 6px 0;
  border-bottom: 2px solid transparent;
}
.nav a:hover, .nav a.is-active { color: var(--navy-600); border-bottom-color: var(--accent); }

.header__cta { display: flex; align-items: center; gap: 18px; }
.header__phone { color: var(--ink); font-weight: 700; font-size: .95rem; white-space: nowrap; }
.header__cta .btn { padding: 12px 22px; font-size: .74rem; }

.burger {
  display: none; width: 44px; height: 44px; border: 0; background: none;
  cursor: pointer; padding: 10px; flex-direction: column; justify-content: space-between;
}
.burger span { display: block; height: 2px; background: var(--navy-800); transition: .25s; }
.burger.is-open span:nth-child(1) { transform: translateY(11px) rotate(45deg); }
.burger.is-open span:nth-child(2) { opacity: 0; }
.burger.is-open span:nth-child(3) { transform: translateY(-11px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 190px 0 110px;
  background:
    radial-gradient(120% 90% at 85% 0%, rgba(79,91,213,.35) 0%, rgba(20,24,74,0) 60%),
    linear-gradient(160deg, var(--navy-900) 0%, var(--navy-700) 55%, var(--navy-600) 100%);
  color: rgba(255,255,255,.8);
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute; inset: 0;
  background-image: url("../img/pcb.svg");
  background-size: 240px 240px;
  opacity: .9;
  mask-image: radial-gradient(80% 80% at 72% 26%, #000 0%, transparent 72%);
  -webkit-mask-image: radial-gradient(80% 80% at 72% 26%, #000 0%, transparent 72%);
  pointer-events: none;
}
.hero .wrap { position: relative; z-index: 1; }
.hero h1 { color: #fff; max-width: 15ch; }
.hero__sub { font-size: 1.2rem; max-width: 56ch; margin-bottom: 34px; }
.hero__eyebrow {
  display: inline-flex; align-items: center; gap: 12px;
  font-size: .76rem; letter-spacing: .2em; text-transform: uppercase;
  font-weight: 700; color: #98a2f0; margin-bottom: 22px;
}
.hero__eyebrow::before { content: ""; width: 42px; height: 1px; background: #98a2f0; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 64px; }

.hero__facts {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px;
  background: rgba(255,255,255,.14);
  border: 1px solid rgba(255,255,255,.14);
}
.hero__fact { background: rgba(13,16,56,.35); padding: 26px 24px; }
.hero__fact b { display: block; color: #fff; font-size: 1.85rem; font-weight: 800; line-height: 1.1; margin-bottom: 6px; }
.hero__fact span { font-size: .84rem; line-height: 1.45; display: block; }

/* ---------- Манифест ---------- */
.manifest { background: var(--navy-600); color: #fff; padding: 52px 0; }
.manifest p {
  margin: 0; font-size: clamp(1.25rem, 2.4vw, 1.75rem);
  font-weight: 700; line-height: 1.35; text-align: center; color: #fff;
}
.manifest small { display: block; margin-top: 12px; font-size: .85rem; font-weight: 500; letter-spacing: .1em; text-transform: uppercase; color: rgba(255,255,255,.6); }

/* ---------- Сетки ---------- */
.grid { display: grid; gap: 24px; }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }

/* ---------- Карточки ---------- */
.card {
  background: #fff;
  border: 1px solid var(--line);
  padding: 34px 30px;
  transition: .25s ease;
}
.card:hover { border-color: var(--navy-500); box-shadow: var(--shadow); transform: translateY(-3px); }
.card h3 { margin-bottom: .7em; }
.card ul { padding-left: 0; list-style: none; margin-bottom: 0; }
.card ul li { position: relative; padding-left: 22px; font-size: .95rem; }
.card ul li::before {
  content: ""; position: absolute; left: 0; top: .62em;
  width: 8px; height: 8px; border: 2px solid var(--accent); border-radius: 50%;
}
.card__num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 44px; height: 44px; margin-bottom: 18px;
  background: var(--accent-soft); color: var(--navy-600);
  font-weight: 800; font-size: 1rem;
}

/* Контуры */
.loop {
  background: #fff; border: 1px solid var(--line);
  border-top: 3px solid var(--navy-600);
  padding: 26px 24px; transition: .25s ease;
}
.loop:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
.loop__no { font-size: .72rem; font-weight: 800; letter-spacing: .16em; color: var(--accent); text-transform: uppercase; }
.loop h3 { font-size: 1.02rem; margin: 8px 0 12px; }
.loop dl { margin: 0; font-size: .9rem; }
.loop dt { font-weight: 700; color: var(--ink); font-size: .74rem; text-transform: uppercase; letter-spacing: .1em; margin-top: 12px; }
.loop dd { margin: 3px 0 0; }

/* Вопросы */
.questions { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.question {
  background: #fff; border-left: 3px solid var(--accent);
  padding: 22px 26px; font-size: 1.05rem; font-weight: 600; color: var(--ink);
  box-shadow: 0 10px 30px -26px rgba(13,16,56,.6);
}

/* Плитки результата */
.tiles { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: rgba(255,255,255,.16); border: 1px solid rgba(255,255,255,.16); }
.tile { background: var(--navy-800); padding: 34px 26px; }
.tile b { display: block; color: #fff; font-size: 1.5rem; font-weight: 800; margin-bottom: 10px; }
.tile p { margin: 0; font-size: .95rem; }

/* Таблица сравнения */
.compare { width: 100%; border-collapse: collapse; background: #fff; font-size: .95rem; }
.compare th, .compare td { padding: 18px 20px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
.compare thead th { background: var(--navy-700); color: #fff; font-size: .78rem; letter-spacing: .1em; text-transform: uppercase; }
.compare thead th:first-child { background: var(--navy-800); }
.compare tbody th { font-weight: 700; color: var(--ink); width: 22%; }
.compare td.yes { color: var(--ink); font-weight: 600; }
.compare td.no { color: var(--ink-soft); }
.table-scroll { overflow-x: auto; }

/* Услуги */
.service {
  background: #fff; border: 1px solid var(--line); padding: 34px 30px;
  display: flex; flex-direction: column; transition: .25s ease;
}
.service:hover { border-color: var(--navy-500); box-shadow: var(--shadow); transform: translateY(-3px); }
.service__tag {
  align-self: flex-start; background: var(--navy-700); color: #fff;
  font-size: .68rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
  padding: 6px 12px; margin-bottom: 18px;
}
.service h3 { font-size: 1.25rem; }
.service dl { margin: 0; font-size: .92rem; }
.service dt { font-weight: 700; color: var(--ink); font-size: .72rem; text-transform: uppercase; letter-spacing: .1em; margin-top: 16px; }
.service dd { margin: 4px 0 0; }

/* Этапы */
.steps { counter-reset: step; display: grid; grid-template-columns: repeat(5, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.step { background: #fff; padding: 30px 24px; position: relative; }
.step__no {
  display: block; font-size: 2.4rem; font-weight: 800; line-height: 1;
  color: var(--accent-soft); margin-bottom: 10px;
}
.step h3 { font-size: 1rem; margin-bottom: .5em; }
.step p { font-size: .9rem; margin: 0; }

/* Кейсы */
.case {
  display: flex; flex-direction: column;
  background: #fff; border: 1px solid var(--line); padding: 32px 30px; transition: .25s ease;
}
.case:hover { border-color: var(--navy-500); box-shadow: var(--shadow); transform: translateY(-3px); }
.case__label { font-size: .72rem; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; color: var(--accent); margin-bottom: 12px; }
.case h3 { font-size: 1.1rem; }
.case p { font-size: .95rem; }
.case__kpi { display: flex; flex-wrap: wrap; gap: 20px; margin: 18px 0 22px; }
.case__kpi div { min-width: 92px; }
.case__kpi b { display: block; color: var(--navy-600); font-size: 1.5rem; font-weight: 800; line-height: 1.12; overflow-wrap: break-word; }
.case__kpi span { font-size: .78rem; line-height: 1.35; display: block; color: var(--ink-soft); }
.case__more { margin-top: auto; font-size: .82rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.case__more::after { content: " →"; }

/* Руководитель */
/* Руководитель: синий блок на всю ширину, ниже фото и текст */
.leader__card {
  background: var(--navy-800); color: rgba(255,255,255,.8);
  padding: 42px 46px 46px;
  margin-bottom: 40px;
}
.leader__row {
  display: grid; grid-template-columns: 360px 1fr; gap: 48px;
  align-items: stretch;
}
.leader__photo { position: relative; min-height: 100%; }
.leader__photo .portrait {
  position: absolute; inset: 0;
  width: 100%; height: 100%; aspect-ratio: auto; margin: 0;
}
.leader__text > h3:first-child { margin-top: 0; }
.leader__text h3 { margin: 2em 0 .7em; }
.leader__text p { margin-bottom: 1.2em; }
.leader__text ul { padding-left: 0; list-style: none; margin-bottom: 0; }
.leader__text ul li { position: relative; padding-left: 24px; margin-bottom: .6em; }
.leader__text ul li::before {
  content: ""; position: absolute; left: 0; top: .62em;
  width: 8px; height: 8px; border: 2px solid var(--accent); border-radius: 50%;
}
.leader__text .btn { margin-top: 34px; }
.leader__card b { display: block; color: #fff; font-size: 1.45rem; font-weight: 800; line-height: 1.25; margin-bottom: 12px; }
.leader__card span { font-size: .95rem; line-height: 1.6; display: block; }
.leader__card hr { border: 0; border-top: 1px solid rgba(255,255,255,.18); margin: 28px 0; }
.leader__card ul { padding-left: 0; list-style: none; margin: 0; font-size: .92rem; }


.leader__card li { padding-left: 22px; position: relative; margin-bottom: .7em; }
.leader__card li::before { content: "—"; position: absolute; left: 0; color: #98a2f0; }

/* Список выгод */
.benefits { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px 40px; }
.benefits li { position: relative; padding-left: 34px; font-size: 1.02rem; color: var(--ink); }
.benefits li::before {
  content: ""; position: absolute; left: 0; top: .35em; width: 18px; height: 10px;
  border-left: 2px solid var(--accent); border-bottom: 2px solid var(--accent);
  transform: rotate(-45deg);
}
.section--dark .benefits li { color: #fff; }
.section--dark .benefits li::before { border-color: #98a2f0; }

/* ---------- Контакты / форма ---------- */
.contact { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 64px; align-items: start; }
.contact__list { list-style: none; padding: 0; margin: 28px 0 0; }
.contact__list li { display: flex; gap: 14px; margin-bottom: 20px; align-items: flex-start; }
.contact__list span { font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-soft); display: block; }
.contact__list b { color: var(--ink); font-size: 1.05rem; font-weight: 700; }
.contact__list a { color: var(--ink); }
.contact__list a:hover { color: var(--accent); }

.form { background: #fff; border: 1px solid var(--line); padding: 38px 34px; }
.form__row { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: .74rem; letter-spacing: .1em; text-transform: uppercase; font-weight: 700; color: var(--ink); margin-bottom: 8px; }
.field input, .field textarea, .field select {
  width: 100%; padding: 14px 16px; border: 1px solid var(--line);
  font-family: inherit; font-size: .98rem; color: var(--ink); background: var(--bg-soft);
  transition: .2s;
}
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none; border-color: var(--accent); background: #fff;
  box-shadow: 0 0 0 3px rgba(79,91,213,.12);
}
.field textarea { min-height: 130px; resize: vertical; }
.consent { display: flex; gap: 12px; align-items: flex-start; font-size: .82rem; color: var(--ink-soft); margin: 6px 0 22px; }
.consent input { margin-top: 4px; flex: 0 0 auto; }
.form__note { font-size: .8rem; color: var(--ink-soft); margin: 16px 0 0; }
.form-status { margin-top: 16px; font-size: .9rem; font-weight: 600; display: none; }
.form-status.is-ok { display: block; color: #1c7a4a; }
.form-status.is-err { display: block; color: #b23b3b; }

/* ---------- Подвал ---------- */
.footer { background: var(--navy-900); color: rgba(255,255,255,.6); padding: 62px 0 30px; font-size: .92rem; }
.footer a { color: rgba(255,255,255,.75); }
.footer a:hover { color: #fff; }
.footer__top { display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 44px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,.12); }
.footer__logo { color: #fff; }
.footer__logo .logo { height: 68px; width: auto; margin-bottom: 20px; }
.footer h4 { color: #fff; font-size: .78rem; letter-spacing: .14em; text-transform: uppercase; margin-bottom: 18px; }
.footer ul { list-style: none; padding: 0; margin: 0; }
.footer li { margin-bottom: 10px; }
.footer__bottom { display: flex; justify-content: space-between; gap: 20px; padding-top: 24px; font-size: .82rem; flex-wrap: wrap; }

/* ---------- Внутренняя страница ---------- */
.page-hero {
  padding: 170px 0 76px;
  background: linear-gradient(160deg, var(--navy-900) 0%, var(--navy-700) 100%);
  color: rgba(255,255,255,.8);
}
.page-hero h1 { color: #fff; font-size: clamp(1.9rem, 3.6vw, 2.9rem); max-width: 22ch; }
.page-hero p { max-width: 62ch; margin: 0; font-size: 1.08rem; }
.breadcrumbs { font-size: .8rem; letter-spacing: .06em; margin-bottom: 18px; color: rgba(255,255,255,.55); }
.breadcrumbs a { color: rgba(255,255,255,.75); }

.case-full { padding: 76px 0; border-bottom: 1px solid var(--line); }
.case-full:nth-child(even) { background: var(--bg-soft); }
.case-full__head { max-width: 860px; margin-bottom: 40px; }
.case-full__label { font-size: .74rem; font-weight: 800; letter-spacing: .18em; text-transform: uppercase; color: var(--accent); margin-bottom: 14px; display: block; }
.case-full__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.case-full h3 { font-size: .84rem; letter-spacing: .14em; text-transform: uppercase; color: var(--navy-600); margin-bottom: 18px; padding-bottom: 10px; border-bottom: 1px solid var(--line); }
.case-full ul { padding-left: 0; list-style: none; }
.case-full ul li { position: relative; padding-left: 22px; font-size: .96rem; }
.case-full ul li::before { content: ""; position: absolute; left: 0; top: .68em; width: 7px; height: 7px; background: var(--accent); }
.results {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1px; background: var(--line); border: 1px solid var(--line); margin: 8px 0 28px;
}
.results div { background: #fff; padding: 26px 26px 28px; container-type: inline-size; }
.results b {
  display: block; color: var(--navy-600); font-weight: 800;
  /* размер считается от ширины самой плитки (cqw), а не от ширины окна —
     поэтому длинное слово не переносится и не упирается в край */
  font-size: clamp(1.15rem, 9cqw, 1.55rem);
  line-height: 1.12; margin-bottom: 10px; overflow-wrap: break-word;
}
.results span { font-size: .86rem; line-height: 1.5; display: block; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; padding: 0; margin: 0; list-style: none; }
.tags li { background: var(--accent-soft); color: var(--navy-600); font-size: .8rem; font-weight: 600; padding: 7px 13px; margin: 0; }
.tags li::before { display: none; }
.callout { background: var(--navy-800); color: rgba(255,255,255,.82); padding: 30px 32px; margin-top: 32px; }
.callout p { margin: 0; }
.callout strong { color: #fff; }

/* ---------- Иллюстрации и иконки ---------- */
.figure { margin: 0; }
.figure img { width: 100%; height: auto; }
.figure figcaption {
  margin-top: 14px; font-size: .84rem; color: var(--ink-soft); text-align: center;
}
.section--dark .figure figcaption { color: rgba(255,255,255,.55); }

.figure--framed {
  background: #fff; border: 1px solid var(--line); padding: 26px 24px;
}

.icon {
  width: 46px; height: 46px; margin-bottom: 20px;
  color: var(--accent); stroke: currentColor; fill: none;
  stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round;
}
.icon--sm { width: 30px; height: 30px; margin-bottom: 14px; }
.case .icon--sm { color: var(--navy-500); }

.media-band {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px;
  background: var(--line); border: 1px solid var(--line); margin-top: 56px;
}
.media-band div { background: #fff; padding: 28px 26px; }
.media-band b { display: block; color: var(--ink); font-size: 1.05rem; margin-bottom: 6px; }
.media-band p { margin: 0; font-size: .92rem; }

/* Портрет руководителя */
img.portrait { object-fit: cover; object-position: 50% 20%; }
.portrait {
  aspect-ratio: 3 / 4; width: 100%; height: auto;
  background: linear-gradient(160deg, var(--navy-700) 0%, var(--navy-500) 100%);
  display: flex; align-items: center; justify-content: center;
  color: #fff; position: relative; overflow: hidden; margin-bottom: 26px;
}
.portrait::after {
  content: ""; position: absolute; inset: 0;
  background-image: url("../img/pcb.svg"); background-size: 200px 200px; opacity: .5;
}
.portrait span {
  position: relative; z-index: 1;
  font-size: 3.4rem; font-weight: 800; letter-spacing: .04em;
}

/* ---------- Анимация появления ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ---------- Адаптив ---------- */
@media (max-width: 1080px) {
  .nav { display: none; }
  .burger { display: flex; }
  .header__cta .btn { display: none; }
  .nav.is-open {
    display: flex; flex-direction: column; align-items: flex-start; gap: 0;
    position: absolute; top: 84px; left: 0; right: 0;
    background: #fff; border-bottom: 1px solid var(--line); padding: 12px 24px 22px;
    box-shadow: 0 20px 40px -30px rgba(13,16,56,.6);
  }
  .nav.is-open a { padding: 13px 0; width: 100%; border-bottom: 1px solid var(--line); }
  .grid--4, .steps, .tiles, .hero__facts { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
  .leader__row { grid-template-columns: 300px 1fr; gap: 34px; }
  .split, .contact, .case-full__grid { grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 720px) {
  section { padding: 62px 0; }
  .hero { padding: 150px 0 80px; }
  .grid--2, .grid--3, .grid--4, .steps, .tiles, .questions,
  .benefits, .footer__top, .form__row, .hero__facts { grid-template-columns: 1fr; }
  .header__phone { display: none; }
  .header__inner { height: 76px; }
  .header__logo img { height: 44px; }
  .nav.is-open { top: 76px; }
  .leader__row { grid-template-columns: 1fr; gap: 28px; }
  .leader__photo { min-height: 0; }
  .leader__photo .portrait { position: static; aspect-ratio: 3 / 4; height: auto; }
  .leader__card { padding: 30px 24px 32px; margin-bottom: 28px; }
  .card, .service, .case, .form, .loop { padding: 26px 22px; }
  .hero__actions .btn { width: 100%; text-align: center; }
}