/* Andromeda — ОС здания · прикладной слой сайта.
   Токены — в Andromeda Design System/colors_and_type.css. Здесь — только layout и site-*. */

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-snap-type: y proximity; }
body { min-height: 100vh; background: var(--color-bg); color: var(--color-text-primary); overflow-x: hidden; margin: 0; }
img, svg { max-width: 100%; display: block; }
button { font-family: inherit; }

/* ============ Фиксированный верх ============ */
.site-top {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: var(--space-3) var(--space-8);
  background: color-mix(in srgb, var(--color-primary-900) 92%, transparent);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid color-mix(in srgb, var(--color-neutral-100) 8%, transparent);
}
.site-top__logo { display: inline-flex; align-items: center; }
.site-top__logo:hover { text-decoration: none; opacity: 0.85; }
.site-top__logo-img { height: 28px; width: auto; display: block; }
.site-top__nav { display: inline-flex; align-items: center; gap: var(--space-3); }
.site-top__nav .btn-tertiary { color: color-mix(in srgb, var(--color-neutral-100) 75%, transparent); }
.site-top__nav .btn-tertiary:hover { color: var(--color-neutral-100); text-decoration: none; }

/* ============ Прогресс 1-16 ============ */
.progress {
  position: fixed; top: 50%; left: var(--space-4); transform: translateY(-50%); z-index: 40;
}
.progress__list { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.progress__list li { display: flex; align-items: center; gap: var(--space-2); }
.progress__btn {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--color-neutral-400); border: none; padding: 0;
  cursor: pointer; transition: transform var(--transition-standard), background var(--transition-standard);
  position: relative;
}
.progress__btn:hover { transform: scale(1.4); background: var(--color-primary-400); }
.progress__list li[data-active="true"] .progress__btn {
  background: var(--color-primary-500); transform: scale(1.5);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--color-primary-500) 15%, transparent);
}
.progress__tip {
  position: absolute; left: 20px; top: 50%; transform: translateY(-50%);
  background: var(--color-neutral-900); color: var(--color-text-inverse);
  padding: 4px 10px; border-radius: var(--radius-input); font-size: 12px; white-space: nowrap;
  opacity: 0; pointer-events: none; transition: opacity var(--transition-standard);
}
.progress__list li:hover .progress__tip { opacity: 1; }

/* ============ Навигация низ-правый угол ============ */
.slide-nav {
  position: fixed; right: var(--space-4); bottom: var(--space-4); z-index: 45;
  display: flex; align-items: center; gap: var(--space-2);
  background: var(--color-neutral-900); color: var(--color-text-inverse);
  border-radius: var(--radius-btn); padding: 6px 10px; box-shadow: var(--shadow-2);
}
.slide-nav__btn {
  width: 36px; height: 36px; border-radius: 50%;
  border: none; background: transparent; color: var(--color-text-inverse);
  display: inline-flex; align-items: center; justify-content: center; cursor: pointer;
  transition: background var(--transition-standard);
}
.slide-nav__btn:hover { background: var(--color-primary-700); }
.slide-nav__btn:disabled { opacity: .35; cursor: not-allowed; }
.slide-nav__counter { display: inline-flex; flex-direction: column; align-items: center; line-height: 1.15; padding: 2px 10px; min-width: 140px; max-width: 220px; text-align: center; }
.slide-nav__title { font-size: 11px; color: var(--color-primary-200); text-transform: uppercase; letter-spacing: .06em; font-weight: var(--fw-semibold); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 200px; }
.slide-nav__num { font-size: 13px; color: var(--color-neutral-300); font-variant-numeric: tabular-nums; }

/* ============ Deck / slides ============ */
.deck { display: block; }
.slide {
  scroll-snap-align: start;
  min-height: 100vh; padding: 96px var(--space-8) 88px;
  display: flex; flex-direction: column;
  position: relative; background: var(--color-bg);
  transition: background var(--transition-standard);
}
/* Чередование фона для «дыхания» без новых цветов */
.deck > .slide:nth-of-type(even):not(.slide--dark) { background: var(--color-bg-subtle); }
.slide--dark { background: var(--color-bg-dark); color: var(--color-text-inverse); }
.slide--dark h1, .slide--dark h2, .slide--dark h3, .slide--dark p { color: var(--color-text-inverse); }

.slide__inner {
  flex: 1; display: grid; grid-template-columns: 1.15fr 1fr; gap: var(--space-8);
  max-width: 1440px; margin: 0 auto; width: 100%; align-items: center;
  min-width: 0;
}
.slide__inner > * { min-width: 0; }
.slide__body--wide { grid-column: 1 / -1; max-width: 1200px; width: 100%; justify-self: center; }

.slide__title { font-family: var(--font-display); font-size: clamp(28px, 3.4vw, 48px); line-height: 1.1; margin: 0 0 var(--space-4); }
.slide__title--hero { font-size: clamp(32px, 4.2vw, 60px); }
.slide__title .accent { background: var(--gradient-brand); -webkit-background-clip: text; background-clip: text; color: transparent; }
.slide__lead { font-size: var(--text-body1); line-height: var(--text-body1-lh); color: var(--color-text-secondary); max-width: 62ch; }
.slide--dark .slide__lead { color: var(--color-primary-200); }

.slide__visual { margin: 0; border-radius: var(--radius-panel); overflow: hidden; box-shadow: var(--shadow-card); background: var(--color-neutral-200); }
.slide__visual img { width: 100%; height: auto; }
.slide__visual--full { grid-column: 1 / -1; max-width: 1100px; margin: 0 auto; }
.slide__visual--inline { margin: var(--space-4) auto 0; max-width: 900px; background: transparent; box-shadow: none; border-radius: var(--radius-card); }
.slide__visual--inline img { max-height: 44vh; object-fit: contain; }

/* ── Экран 1: титул/обложка — вовлекающий cover без визуализации ── */
.slide--cover { overflow: hidden; }
.slide--cover::before {
  content: "";
  position: absolute; inset: 0; pointer-events: none; z-index: 0;
  background:
    radial-gradient(ellipse 70% 55% at 18% 18%, color-mix(in srgb, var(--color-primary-500) 16%, transparent), transparent 60%),
    radial-gradient(ellipse 60% 50% at 85% 85%, color-mix(in srgb, var(--color-primary-400) 12%, transparent), transparent 65%);
}
.slide--cover > * { position: relative; z-index: 1; }
.slide__inner--cover {
  display: flex; align-items: center; justify-content: center;
  grid-template-columns: none;
}
.cover {
  max-width: 960px; text-align: center;
  display: grid; gap: var(--space-5); justify-items: center;
}
.cover__eyebrow {
  font-size: 13px; letter-spacing: .22em; text-transform: uppercase;
  color: var(--color-primary-500); font-weight: var(--fw-semibold);
  padding: 6px 14px; border-radius: var(--radius-btn);
  background: color-mix(in srgb, var(--color-primary-500) 10%, transparent);
}
.slide--cover .slide__title--hero {
  font-size: clamp(36px, 5vw, 72px); margin: 0; max-width: 18ch;
}
.cover__motive {
  font-size: clamp(17px, 1.3vw, 20px); color: var(--color-text-secondary);
  max-width: 58ch; margin: 0; line-height: 1.5;
}
.cover__ctas { justify-content: center; margin-top: var(--space-3); }
.cover__foot { text-align: center; padding-right: 0; border-top-style: dotted; }

/* ── Экран 7: энергомодель — портретный визуал со страницы презентации СЭД ── */
#s7 .slide__visual { background: #ffffff; display: flex; align-items: center; justify-content: center; }
#s7 .slide__visual img { width: 100%; height: auto; max-height: 72vh; object-fit: contain; }

/* ── Экран 15: «ОС в одной картинке» — вертикальный стек, заголовок над схемой ── */
.slide--summary .slide__inner {
  display: flex; flex-direction: column; align-items: center; gap: var(--space-3);
}
.slide--summary .slide__visual--full {
  order: 2; width: 100%; max-width: 1200px; margin: 0 auto; flex-shrink: 0;
}
.slide--summary .slide__visual--full img {
  width: 100%; height: auto; max-height: 60vh; object-fit: contain;
}
.slide--summary .slide__body {
  order: 1; text-align: center; max-width: 820px;
}
.slide--summary .slide__title { margin-bottom: var(--space-2); }

.slide__ctas { display: flex; flex-wrap: wrap; gap: var(--space-3); margin-top: var(--space-6); align-items: center; }
.btn--lg { height: 48px; padding: 10px 28px; font-size: 18px; }
.btn--sm { height: 32px; padding: 4px 14px; font-size: 14px; }
.btn-tertiary--dark { color: var(--color-primary-200); }

.slide__foot {
  margin-top: auto; padding-top: var(--space-6); padding-right: 260px;
  font-size: 14px; color: var(--color-text-secondary); letter-spacing: .02em;
  border-top: 1px dashed var(--color-border-subtle);
  max-width: 1440px; width: 100%; align-self: center;
}
.slide__foot--dark { color: var(--color-primary-200); border-top-color: color-mix(in srgb, var(--color-primary-500) 30%, transparent); }

/* ============ Сквозные компоненты ============ */
.pillars { list-style: none; padding: 0; margin: 0 0 var(--space-5); display: grid; gap: var(--space-2); }
.pillars li a {
  display: inline-block; padding: 8px 14px; border-radius: var(--radius-btn);
  background: var(--color-primary-100); color: var(--color-text-primary);
  font-size: 15px;
}
.pillars li a:hover { background: var(--color-primary-200); text-decoration: none; }

.evidence {
  margin-top: var(--space-5); padding: var(--space-3) var(--space-4);
  background: var(--color-bg-subtle); border-left: 3px solid var(--color-primary-500);
  border-radius: var(--radius-input); font-size: 14px; color: var(--color-text-secondary);
}
.evidence--dark { background: color-mix(in srgb, var(--color-primary-500) 10%, transparent); color: var(--color-primary-200); }

.badge { display: inline-block; padding: 2px 10px; border-radius: var(--radius-btn); font-size: 12px; font-weight: var(--fw-semibold); letter-spacing: .02em; margin-right: 4px; }
.badge--fact    { background: color-mix(in srgb, var(--color-green) 12%, transparent); color: var(--color-green); }
.badge--calc    { background: var(--color-primary-100); color: var(--color-primary-700); }
.badge--hyp     { background: color-mix(in srgb, var(--color-orange) 12%, transparent); color: var(--color-orange); }

/* ============ Compare ============ */
.compare { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); margin-top: var(--space-5); }
.compare__col { padding: var(--space-4) var(--space-5); border-radius: var(--radius-card); background: var(--color-bg); border: 1px solid var(--color-border-subtle); }
.compare__col ul { list-style: none; padding: 0; margin: 0; }
.compare__col li { padding: 6px 0 6px 22px; position: relative; font-size: 15px; line-height: 1.5; }
.compare__head { font-weight: var(--fw-semibold); font-size: 16px; margin-bottom: var(--space-2); padding-bottom: var(--space-2); border-bottom: 1px solid var(--color-border-subtle); }
.compare__col--bad { background: var(--color-neutral-200); }
.compare__col--bad .compare__head { color: var(--color-text-secondary); }
.compare__col--bad li::before { content: "✗"; position: absolute; left: 0; color: var(--color-red); font-weight: var(--fw-bold); }
.compare__col--good { border-color: var(--color-primary-300); }
.compare__col--good .compare__head { color: var(--color-primary-700); }
.compare__col--good li::before { content: "✓"; position: absolute; left: 0; color: var(--color-green); }

/* ============ Service grid · экран 3 ============ */
.svc-grid { list-style: none; padding: 0; margin: var(--space-4) 0 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: var(--space-3); }
.svc-grid li { padding: var(--space-4); background: var(--color-bg); border: 1px solid var(--color-border-subtle); border-radius: var(--radius-card); }
.svc-grid strong { display: block; color: var(--color-text-primary); font-size: 16px; margin-bottom: 4px; }
.svc-grid span { font-size: 14px; color: var(--color-text-secondary); }

/* ============ Agents · экран 4 ============ */
.agents { list-style: none; padding: 0; margin: var(--space-4) 0 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-3); counter-reset: agent; }
.agents li {
  padding: var(--space-3) var(--space-4) var(--space-4);
  background: var(--color-bg); border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-card); position: relative; counter-increment: agent;
  border-left: 3px solid var(--color-primary-400);
  display: flex; flex-direction: column; gap: var(--space-1);
}
.agents li::before {
  content: counter(agent); position: absolute; top: -10px; left: var(--space-3);
  width: 22px; height: 22px; border-radius: 50%;
  background: var(--color-primary-500); color: var(--color-text-inverse);
  display: grid; place-items: center; font-size: 11px; font-weight: var(--fw-bold);
  box-shadow: 0 0 0 3px var(--color-bg);
}
.agents h3 { margin: var(--space-1) 0 var(--space-2); font-size: 15px; color: var(--color-primary-700); font-weight: var(--fw-semibold); }
.agents p { margin: 0; font-size: 13px; color: var(--color-text-secondary); line-height: 1.55; }
.agents em {
  color: var(--color-primary-700); font-style: normal; font-weight: var(--fw-semibold);
  font-size: 12px; display: inline;
}

/* ============ Two-face · инженер + собственник (new S3) ============ */
.two-face { display: grid; grid-template-columns: 1.1fr 1fr; gap: var(--space-5); margin-top: var(--space-4); align-items: stretch; }
.two-face__col {
  padding: var(--space-5); border-radius: var(--radius-card);
  background: var(--color-bg-subtle); border: 1px solid var(--color-border-subtle);
  display: flex; flex-direction: column;
  position: relative; overflow: hidden;
}
.two-face__col::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--color-primary-300);
}
.two-face__col--engineer { border-color: var(--color-primary-300); }
.two-face__col--engineer::before { background: linear-gradient(90deg, var(--color-primary-500), var(--color-primary-200)); }
.two-face__col--owner { background: var(--color-primary-900); color: var(--color-text-inverse); border-color: var(--color-primary-700); }
.two-face__col--owner::before { background: var(--gradient-brand); }
.two-face__col--owner h3 { color: var(--color-text-inverse); }
.two-face__head {
  display: flex; align-items: center; gap: 10px;
  padding-bottom: var(--space-3); margin-bottom: var(--space-3);
  border-bottom: 1px solid color-mix(in srgb, var(--color-primary-300) 40%, transparent);
}
.two-face__col--owner .two-face__head {
  border-bottom-color: color-mix(in srgb, var(--color-primary-500) 40%, transparent);
}
.two-face__head h3 { margin: 0; font-size: 18px; color: var(--color-primary-700); font-weight: var(--fw-bold); }
.two-face__col--owner .two-face__head h3 { color: var(--color-neutral-100); }
.two-face__head small {
  font-size: 11px; color: var(--color-text-secondary);
  text-transform: uppercase; letter-spacing: .08em; font-weight: var(--fw-semibold);
  padding: 3px 8px; background: color-mix(in srgb, var(--color-primary-300) 20%, transparent);
  border-radius: var(--radius-btn);
}
.two-face__col--owner .two-face__head small {
  color: var(--color-primary-300);
  background: color-mix(in srgb, var(--color-primary-500) 20%, transparent);
}
/* Агенты заполняют оставшееся пространство */
.two-face__col--engineer .agents { flex: 1; align-content: start; }
/* Кокпит заполняет оставшееся пространство, тайлы прилипают к верху */
.two-face__col--owner .cockpit--compact { flex: 1; align-content: start; margin-top: 0; }

/* ============ Cockpit · экран 5 (и new S3) ============ */
.cockpit { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-3); margin-top: var(--space-3); }
.cockpit--compact { grid-template-columns: repeat(2, 1fr); gap: var(--space-2); margin-top: 0; }
.tile {
  padding: var(--space-5); border-radius: var(--radius-card);
  background: color-mix(in srgb, var(--color-neutral-100) 6%, transparent);
  border: 1px solid color-mix(in srgb, var(--color-primary-500) 30%, transparent);
  color: var(--color-text-inverse); text-align: left; cursor: pointer;
  transition: transform var(--transition-standard), border-color var(--transition-standard), background var(--transition-standard);
  display: grid; gap: 6px;
}
.cockpit--compact .tile {
  padding: var(--space-3) var(--space-4);
  background: color-mix(in srgb, var(--color-primary-700) 35%, transparent);
}
.cockpit--compact .tile:hover {
  background: color-mix(in srgb, var(--color-primary-600) 45%, transparent);
}
.cockpit--compact .tile__value { font-size: 24px; line-height: 1.1; }
.cockpit--compact .tile__label { font-size: 11px; }
.cockpit--compact .tile__delta, .cockpit--compact .tile__why { font-size: 11px; }
.tile:hover { transform: translateY(-3px); border-color: var(--color-primary-400); }
.tile[aria-expanded="true"] { border-color: var(--color-primary-300); background: color-mix(in srgb, var(--color-primary-500) 20%, transparent); }
.tile__label { font-size: 13px; color: var(--color-primary-200); }
.tile__value { font-size: 32px; font-weight: var(--fw-bold); font-family: var(--font-display); }
.tile__delta { font-size: 13px; }
.tile__delta--good { color: color-mix(in srgb, var(--color-green) 70%, var(--color-neutral-100)); }
.tile__delta--warn { color: var(--color-orange); }
.tile__delta--bad  { color: color-mix(in srgb, var(--color-red) 75%, var(--color-neutral-100)); }
.tile__why { font-size: 12px; color: var(--color-primary-300); text-decoration: underline; margin-top: 6px; }
.cockpit__detail { margin-top: var(--space-3); padding: var(--space-3) var(--space-4); background: color-mix(in srgb, var(--color-green) 22%, var(--color-primary-900)); border-left: 3px solid var(--color-green); border-radius: var(--radius-input); color: var(--color-neutral-100); font-size: 13px; line-height: 1.5; }
.cockpit__detail p { margin: 0; color: var(--color-neutral-100); }

/* ============ Two col · экран 6 ============ */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); margin-top: var(--space-4); }
.two-col__item { padding: var(--space-5); border: 1px solid var(--color-primary-200); border-radius: var(--radius-card); background: var(--color-bg); }
.two-col__item h3 { margin: 0 0 var(--space-3); color: var(--color-primary-700); }
.two-col__item ul { margin: 0; padding-left: var(--space-5); color: var(--color-text-secondary); }
.two-col__item li { margin-bottom: 6px; }

/* ============ Arch split · старый S5 (оставлен для совместимости) ============ */
.arch-split { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-5); align-items: center; margin-top: var(--space-3); }
.arch-split__visual { margin: 0; background: transparent; box-shadow: none; border-radius: var(--radius-card); overflow: hidden; }
.arch-split__visual img { width: 100%; height: auto; max-height: 58vh; object-fit: contain; display: block; }

/* ============ OS Explorer · S5 (слева — слои, справа — интерфейс) ============ */
.os-explorer {
  display: grid; grid-template-columns: minmax(360px, 0.85fr) 1.15fr;
  gap: var(--space-4); margin-top: var(--space-3); align-items: stretch;
}

/* ---- Левая колонка: список слоёв ---- */
.os-layers { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; align-content: start; grid-auto-rows: min-content; }
.os-layers__item { display: block; }
.os-layer {
  width: 100%; display: grid; grid-template-columns: 44px 24px 1fr; gap: 12px;
  align-items: center; text-align: left; cursor: pointer;
  padding: 12px 14px; border-radius: var(--radius-card);
  background: var(--color-bg); border: 1px solid var(--color-border-subtle);
  transition: background .08s ease, border-color .08s ease, box-shadow .08s ease, transform .08s ease;
  font: inherit; color: var(--color-text-primary);
}
.os-layer:hover { border-color: color-mix(in srgb, var(--layer-accent, var(--color-primary-400)) 45%, var(--color-border-subtle)); transform: translateY(-1px); }
.os-layer:focus-visible { outline: 2px solid var(--color-primary-500); outline-offset: 2px; }

/* Акцентные пастельные палитры по слоям */
.os-layers__item--4 { --layer-accent: #7B5BC9; --layer-soft: #EFE7FB; --layer-ring: #B99CEB; }
.os-layers__item--3 { --layer-accent: #C74B8F; --layer-soft: #FBE7F1; --layer-ring: #E89AC3; }
.os-layers__item--2 { --layer-accent: #2BA593; --layer-soft: #E2F4F0; --layer-ring: #7FC8BA; }
.os-layers__item--1 { --layer-accent: #2F6BD6; --layer-soft: #E3EDFB; --layer-ring: #7FA6E6; }

.os-layer__icon {
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--layer-soft); color: var(--layer-accent);
  display: grid; place-items: center; flex-shrink: 0;
  transition: background .08s ease, color .08s ease;
}
.os-layer__num {
  width: 24px; height: 24px; border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--layer-soft); color: var(--layer-accent);
  font-family: var(--font-display); font-weight: var(--fw-bold); font-size: 13px;
  line-height: 1; padding: 0; text-align: center;
  border: 1px solid color-mix(in srgb, var(--layer-accent) 25%, transparent);
}
.os-layer__num::before,
.os-layer__num::after { content: none; }
.os-layer__info { min-width: 0; display: grid; gap: 2px; }
.os-layer__role { font-size: 11px; text-transform: uppercase; letter-spacing: .06em; color: var(--color-text-secondary); font-weight: var(--fw-semibold); }
.os-layer__title { font-family: var(--font-display); font-size: 17px; font-weight: var(--fw-bold); line-height: 1.2; color: var(--color-text-primary); }
.os-layer__desc { font-size: 12.5px; line-height: 1.4; color: var(--color-text-secondary); }

/* Активный слой: мягкая заливка пастелью + акцентная рамка + кольцо на иконке */
.os-layer[aria-selected="true"] {
  background: var(--layer-soft);
  border-color: var(--layer-accent);
  box-shadow: 0 1px 0 color-mix(in srgb, var(--layer-accent) 18%, transparent), 0 8px 24px -18px color-mix(in srgb, var(--layer-accent) 55%, transparent);
}
.os-layer[aria-selected="true"] .os-layer__icon {
  background: var(--layer-accent); color: #fff;
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--layer-accent) 22%, transparent);
}
.os-layer[aria-selected="true"] .os-layer__num {
  background: var(--layer-accent); color: #fff; border-color: var(--layer-accent);
}

/* ---- Правая колонка: фрейм с интерфейсом ---- */
.os-viewer { display: flex; flex-direction: column; gap: 10px; min-width: 0; min-height: 0; }
.os-viewer__screen {
  position: relative; width: 100%; aspect-ratio: 16 / 10;
  background: #f1eef7; border-radius: var(--radius-card);
  border: 1px solid var(--color-border-subtle);
  overflow: hidden; box-shadow: 0 24px 48px -30px rgba(76, 34, 136, .35);
  min-height: 0; flex: 0 0 auto;
}
.os-viewer__panel { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; }
.os-viewer__panel[hidden] { display: none; }
.os-viewer__panel img { width: 100%; height: 100%; object-fit: contain; object-position: center; display: block; background: #0f1117; }
.os-viewer__panel[data-panel="l3"] img { background: #ffffff; }

.os-viewer__caption {
  display: grid; grid-template-columns: 1fr auto; gap: var(--space-3);
  align-items: center; padding: 8px 12px;
  border-radius: var(--radius-input); background: var(--color-bg-subtle);
  border: 1px solid var(--color-border-subtle);
}
.os-viewer__caption-text h4 { margin: 0; font-size: 14px; line-height: 1.2; color: var(--color-text-primary); font-weight: var(--fw-semibold); }
.os-viewer__caption-text p { margin: 2px 0 0; font-size: 12px; line-height: 1.4; color: var(--color-text-secondary); }
.os-viewer__caption-dev { display: flex; gap: 6px; color: var(--color-text-secondary); }
.os-dev { display: inline-grid; place-items: center; width: 26px; height: 26px; border-radius: 50%; background: var(--color-bg); border: 1px solid var(--color-border-subtle); }

/* ---- KPI-макет (слой 4) ---- */
.kpi-mock {
  width: 100%; height: 100%;
  background: linear-gradient(135deg, #1a0b2e 0%, #2d1658 55%, #3d1a6d 100%);
  color: #fff; padding: 14px 18px 16px;
  display: flex; flex-direction: column; gap: 10px;
}
.kpi-mock__head { font-size: 11px; color: #c4a0ff; text-transform: uppercase; letter-spacing: .12em; font-weight: var(--fw-semibold); }
.kpi-mock__tiles { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; flex: 1; }
.kpi-mock__tiles li {
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.1);
  border-radius: 8px; padding: 10px 12px;
  display: flex; flex-direction: column; justify-content: center; gap: 4px; min-width: 0;
}
.kpi-mock__tiles span { font-size: 11px; color: rgba(255,255,255,.65); line-height: 1.2; }
.kpi-mock__tiles strong { font-size: 22px; font-weight: var(--fw-bold); font-family: var(--font-display); line-height: 1.05; }
.kpi-mock__delta { font-size: 10px; font-style: normal; }
.kpi-mock__delta--good { color: #8ee7a7; }
.kpi-mock__delta--bad  { color: #ff9fb0; }

/* ---- Рекомендации ИИ-диспетчера для собственника (слой 4) ---- */
.kpi-mock__recs {
  background: rgba(255,255,255,.07); border: 1px solid rgba(196,160,255,.28);
  border-radius: 8px; padding: 8px 12px 10px; display: flex; flex-direction: column; gap: 4px;
}
.kpi-mock__recs-head {
  font-size: 10px; text-transform: uppercase; letter-spacing: .1em; font-weight: var(--fw-semibold);
  color: #c4a0ff;
}
.kpi-mock__recs-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 4px; }
.kpi-mock__recs-list li { font-size: 11.5px; line-height: 1.35; color: rgba(255,255,255,.88); }
.kpi-mock__recs-tag {
  display: inline-block; font-size: 9.5px; font-weight: var(--fw-semibold);
  text-transform: uppercase; letter-spacing: .06em;
  color: #1a0b2e; background: #c4a0ff; padding: 1px 6px; border-radius: 10px;
  margin-right: 6px; vertical-align: 1px;
}

/* ---- Мок Цифрового паспорта (слой 1) ---- */
.passport-mock {
  width: 100%; height: 100%;
  background: linear-gradient(135deg, #0b1e42 0%, #143371 55%, #1e4aa0 100%);
  color: #fff; padding: 14px 18px 12px;
  display: flex; flex-direction: column; gap: 10px;
}
.passport-mock__head { display: flex; flex-direction: column; gap: 2px; }
.passport-mock__title { font-size: 13px; font-weight: var(--fw-semibold); color: #fff; }
.passport-mock__meta { font-size: 10.5px; color: rgba(180,210,255,.75); text-transform: uppercase; letter-spacing: .06em; }
.passport-mock__grid {
  list-style: none; padding: 0; margin: 0; display: grid;
  grid-template-columns: repeat(2, 1fr); gap: 8px; flex: 1;
}
.passport-mock__grid li {
  background: rgba(255,255,255,.07); border: 1px solid rgba(127,166,230,.25);
  border-radius: 8px; padding: 8px 10px;
  display: flex; flex-direction: column; gap: 2px; min-width: 0;
}
.passport-mock__k {
  font-size: 10px; text-transform: uppercase; letter-spacing: .08em;
  color: #7FA6E6; font-weight: var(--fw-semibold);
}
.passport-mock__grid strong {
  font-size: 15px; font-family: var(--font-display); font-weight: var(--fw-bold); line-height: 1.15;
}
.passport-mock__grid em { font-style: normal; font-size: 11px; color: rgba(220,232,255,.7); line-height: 1.35; }
.passport-mock__foot {
  font-size: 10.5px; color: rgba(180,210,255,.7);
  border-top: 1px dashed rgba(127,166,230,.3); padding-top: 6px;
}

/* ---- Легенда внизу (как в исходном макете) ---- */
.os-legend {
  margin-top: var(--space-3); padding: 8px 12px;
  display: flex; flex-wrap: wrap; align-items: center; gap: 14px;
  font-size: 12px; color: var(--color-text-secondary);
  border-top: 1px dashed var(--color-border-subtle);
}
.os-legend strong { color: var(--color-text-primary); font-weight: var(--fw-semibold); margin-right: 4px; font-size: 11px; text-transform: uppercase; letter-spacing: .06em; }
.os-legend__item { display: inline-flex; align-items: center; gap: 6px; }
.os-legend__arrow { display: inline-block; font-weight: var(--fw-bold); }
.os-legend__arrow--up { color: #2BA593; }
.os-legend__arrow--dash { color: #C74B8F; letter-spacing: 0; }
.os-legend__arrow--dash-alt { color: #7B5BC9; letter-spacing: 0; }
.os-legend__sep { flex: 0 0 1px; height: 14px; background: var(--color-border-subtle); margin: 0 4px; }

/* ---- S5 tuning для размещения в одном viewport ---- */
#s5 { padding-top: 72px; }
#s5 .slide__title { font-size: 26px; margin: 0 0 4px; line-height: 1.15; }
#s5 .slide__lead { margin: 0 0 var(--space-2); font-size: 13px; max-width: 820px; }
#s5 .slide__ctas { margin-top: var(--space-2); }
#s5 .slide__foot { font-size: 12px; }
#s5 .os-explorer { margin-top: var(--space-2); gap: var(--space-3); }
#s5 .os-layers { gap: 8px; }
#s5 .os-layer { padding: 9px 12px; grid-template-columns: 38px 22px 1fr; gap: 10px; }
#s5 .os-layer__icon { width: 38px; height: 38px; }
#s5 .os-layer__num { width: 22px; height: 22px; font-size: 12px; }
#s5 .os-layer__title { font-size: 15.5px; }
#s5 .os-layer__desc { font-size: 12px; line-height: 1.35; }
#s5 .os-layer__role { font-size: 10.5px; }
#s5 .os-legend { margin-top: var(--space-2); padding: 6px 10px; gap: 10px; font-size: 11.5px; }

/* ============ Install stack · новый S6 (two-col + metro + compare) ============ */
.install-stack { display: grid; gap: var(--space-3); margin-top: var(--space-3); }
.two-col--compact { grid-template-columns: 1fr 1fr; gap: var(--space-2); margin-top: 0; }
.two-col--compact .two-col__item { padding: var(--space-3) var(--space-4); }
.two-col--compact .two-col__item h3 { margin: 0 0 4px; font-size: 15px; }
.two-col--compact .two-col__item p { margin: 0; font-size: 13px; color: var(--color-text-secondary); line-height: 1.4; }
.two-col--compact .two-col__item ul { padding-left: var(--space-4); }
.two-col--compact .two-col__item li { font-size: 13px; margin-bottom: 2px; }

.metro--with-timeline { margin: 0; grid-template-columns: repeat(6, 1fr); }
.metro--with-timeline .metro__dot { width: 40px; height: 40px; font-size: 14px; border-width: 2px; }
.metro--with-timeline::before { top: 20px; height: 3px; }
.metro--with-timeline .metro__label { font-size: 12px; margin-top: 4px; }
.metro--with-timeline .metro__pay { font-size: 11px; min-height: 0; margin-top: 2px; }

.timeline18--compact { padding: var(--space-3) var(--space-3); margin: 0; }
.timeline18--compact .timeline18__list { height: 44px; }
.timeline18--compact .timeline18__list li { height: 44px; top: -22px; }
.timeline18--compact .timeline18__list li::before { height: 28px; }
.timeline18--compact .timeline18__list li::after { font-size: 9px; }
.timeline18--compact .timeline18__art { display: none; }

.compare--stays .compare__col { padding: var(--space-2) var(--space-3); }
.compare--stays .compare__col li { padding: 2px 0 2px 20px; font-size: 12px; line-height: 1.35; }
.compare--stays .compare__head { font-size: 13px; margin-bottom: 4px; padding-bottom: 4px; }

/* ============ S6: Как ставим ОС — спокойный ритм, без лишнего ============ */
#s6 .install-stack { gap: var(--space-4); margin-top: var(--space-4); }
#s6 .two-col--compact .two-col__item h3 { font-size: 17px; }
#s6 .two-col--compact .two-col__item p { font-size: 14px; }
#s6 .metro--with-timeline { margin-top: var(--space-2); }
#s6 .metro--with-timeline .metro__dot { width: 42px; height: 42px; font-size: 15px; }
#s6 .metro--with-timeline::before { top: 21px; }
#s6 .metro--with-timeline .metro__label { font-size: 13px; margin-top: 6px; }
#s6 .metro--with-timeline .metro__pay { font-size: 12px; margin-top: 3px; }

/* ============ S6b: Что получает клиент — артефакты + остаётся/теряется ============ */
.artifacts {
  list-style: none; padding: 0; margin: var(--space-4) 0 0;
  display: grid; grid-template-columns: repeat(5, 1fr); gap: var(--space-3);
}
.artifact {
  padding: var(--space-3) var(--space-4);
  background: var(--color-bg);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-card);
  display: flex; flex-direction: column; gap: 6px;
  position: relative; overflow: hidden;
}
.artifact::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--color-primary-300);
}
.artifact--final::before { background: var(--gradient-brand); }
.artifact--final { border-color: var(--color-primary-300); }
.artifact__stage {
  font-size: 11px; text-transform: uppercase; letter-spacing: .06em;
  color: var(--color-primary-700); font-weight: var(--fw-semibold);
}
.artifact__title {
  font-family: var(--font-display);
  font-size: 15px; line-height: 1.25; color: var(--color-text-primary);
  font-weight: var(--fw-semibold);
}
.artifact__proof {
  font-size: 12px; line-height: 1.35; color: var(--color-text-secondary); margin-top: auto;
}

#s6b .compare { margin-top: var(--space-4); }
#s6b .compare__col { padding: var(--space-3) var(--space-4); }
#s6b .compare__head { font-size: 15px; margin-bottom: 6px; padding-bottom: 6px; }
#s6b .compare__col li { font-size: 13px; padding: 4px 0 4px 22px; line-height: 1.4; }

/* ============ Pilot steps · новый S9 ============ */
.pilot-steps { list-style: none; padding: 0; margin: var(--space-4) 0 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-3); }
.pilot-steps__item { padding: var(--space-4); background: var(--color-bg); border: 1px solid var(--color-primary-300); border-radius: var(--radius-card); display: flex; flex-direction: column; gap: var(--space-2); position: relative; overflow: hidden; }
.pilot-steps__item::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--gradient-brand); }
.pilot-steps__num { width: 36px; height: 36px; border-radius: 50%; background: var(--gradient-brand); color: var(--color-text-inverse); display: grid; place-items: center; font-weight: var(--fw-bold); font-size: 15px; font-family: var(--font-display); }
.pilot-steps__stage { font-size: 11px; text-transform: uppercase; letter-spacing: .06em; color: var(--color-text-secondary); font-weight: var(--fw-semibold); line-height: 1.3; }
.pilot-steps__criterion { background: var(--color-primary-100); padding: var(--space-3); border-radius: var(--radius-input); }
.pilot-steps__criterion strong { display: block; font-family: var(--font-display); font-size: 22px; color: var(--color-primary-700); line-height: 1.1; }
.pilot-steps__criterion span { display: block; font-size: 12px; color: var(--color-text-secondary); margin-top: 4px; line-height: 1.3; }
.pilot-steps__note { font-size: 12px; color: var(--color-text-secondary); line-height: 1.45; margin: 0; }

.trust-extras { margin-top: var(--space-4); padding: var(--space-3) var(--space-4); border-radius: var(--radius-input); background: var(--color-bg-subtle); display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.trust-extras__label { font-size: 11px; color: var(--color-text-secondary); text-transform: uppercase; letter-spacing: .06em; font-weight: var(--fw-semibold); margin-right: 4px; }
.trust-extras__chip { font-size: 12px; padding: 4px 10px; background: var(--color-bg); border: 1px solid var(--color-border-subtle); border-radius: 100px; color: var(--color-text-primary); }

/* ============ Strata · общие + compact ============ */
.strata--compact { gap: 6px; }
.strata--compact .strata__layer { padding: var(--space-2) var(--space-3); grid-template-columns: 140px 1fr; gap: var(--space-2); }
.strata--compact .strata__layer h3 { font-size: 15px; }
.strata--compact .strata__layer p { font-size: 12px; margin: 1px 0 0; line-height: 1.4; }
.strata--compact .strata__tag { font-size: 10px; }

/* ============ Strata · экран 7 ============ */
.strata { list-style: none; padding: 0; margin: var(--space-4) 0 0; display: grid; gap: var(--space-2); }
.strata__layer {
  padding: var(--space-3) var(--space-4); border-radius: var(--radius-card);
  border: 1px solid var(--color-primary-200); display: grid; grid-template-columns: 180px 1fr; gap: var(--space-3); align-items: center;
}
.strata__layer--1 { background: var(--color-primary-100); }
.strata__layer--2 { background: var(--color-primary-200); }
.strata__layer--3 { background: var(--color-primary-300); }
.strata__layer--4 { background: var(--color-primary-400); color: var(--color-text-inverse); border-color: var(--color-primary-500); }
.strata__layer--4 h3, .strata__layer--4 p { color: var(--color-text-inverse); }
.strata__tag { font-size: 12px; text-transform: uppercase; letter-spacing: .08em; font-weight: var(--fw-semibold); }
.strata__layer h3 { margin: 0; font-size: 16px; display: inline-block; }
.strata__layer p { margin: 2px 0 0; font-size: 13px; line-height: 1.4; }

/* ============ Timeline 18 · экран 8 ============ */
.timeline18 {
  margin: var(--space-5) 0; padding: var(--space-6) var(--space-4) var(--space-4);
  background: var(--color-bg-subtle); border-radius: var(--radius-card); position: relative;
}
.timeline18__line { height: 2px; background: var(--color-primary-500); position: relative; margin: 0 20px; }
.timeline18__list { list-style: none; padding: 0; margin: 0; position: relative; height: 60px; }
.timeline18__list li {
  position: absolute; top: -30px; transform: translateX(-50%);
  width: 16px; height: 60px; display: flex; flex-direction: column; align-items: center;
}
.timeline18__list li::before {
  content: ""; width: 3px; height: 40px; background: var(--color-primary-500);
  display: block; border-radius: 3px;
}
.timeline18__list li::after {
  content: attr(data-n); font-size: 10px; color: var(--color-primary-700);
  margin-top: 2px; font-weight: var(--fw-semibold);
}
/* Подписи-пиктограммы артефактов на ключевых точках таймлайна (экран 8) */
.timeline18__list li[data-artifact] > span.timeline18__art {
  position: absolute;
  top: 42px;
  left: 50%;
  transform: translateX(-50%);
  white-space: nowrap;
  font-size: 10px;
  color: var(--color-primary-700);
  background: var(--color-primary-100);
  padding: 2px 8px;
  border-radius: var(--radius-btn);
  line-height: 1.3;
}
.timeline18__list li[data-artifact]::before { background: var(--color-magenta); height: 48px; }
.timeline18__labels { display: grid; grid-template-columns: repeat(6, 1fr); margin-top: var(--space-2); font-size: 12px; color: var(--color-text-secondary); text-align: center; }

/* ============ Metro · экран 9 ============ */
.metro { list-style: none; padding: 0; margin: var(--space-5) 0; display: grid; grid-template-columns: repeat(6, 1fr); gap: var(--space-2); position: relative; }
.metro::before {
  content: ""; position: absolute; top: 30px; left: 6%; right: 6%;
  height: 4px; background: linear-gradient(90deg, var(--color-primary-200), var(--color-primary-500));
  z-index: 0;
}
.metro__stage { position: relative; text-align: center; z-index: 1; }
.metro__dot {
  width: 60px; height: 60px; border-radius: 50%; background: var(--color-bg);
  border: 3px solid var(--color-primary-500); color: var(--color-primary-700);
  display: grid; place-items: center; font-size: 22px; font-weight: var(--fw-bold);
  margin: 0 auto; box-shadow: var(--shadow-1);
}
.metro__dot[data-pay="30"], .metro__dot[data-pay="70"] { background: var(--color-primary-500); color: var(--color-text-inverse); }
.metro__dot[data-pay="sub"] { background: var(--gradient-brand); color: var(--color-text-inverse); }
.metro__label { font-weight: var(--fw-semibold); margin-top: var(--space-2); font-size: 15px; }
.metro__pay { font-size: 13px; color: var(--color-primary-700); margin-top: 4px; min-height: 20px; }
.metro__open { margin-top: var(--space-2); font-size: 13px; text-align: left; cursor: pointer; }
.metro__open summary { cursor: pointer; color: var(--color-text-link); list-style: none; }
.metro__open summary::before { content: "+ "; }
.metro__open[open] summary::before { content: "– "; }
.metro__open p { margin: 6px 0; color: var(--color-text-secondary); font-size: 13px; }

/* ============ Result cards · экран 10 ============ */
.result-cards { list-style: none; padding: 0; margin: var(--space-4) 0 0; display: grid; gap: var(--space-3); grid-template-columns: repeat(3, 1fr); }
.result-cards li { padding: var(--space-4); background: var(--color-bg); border: 1px solid var(--color-primary-200); border-radius: var(--radius-card); }
.result-cards strong { display: block; font-size: 16px; color: var(--color-primary-700); margin-bottom: 6px; }
.result-cards span { font-size: 14px; color: var(--color-text-secondary); }
.cases { list-style: none; padding: 0; margin: var(--space-4) 0 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-2); }
.cases li { padding: var(--space-3) var(--space-4); background: var(--color-bg-subtle); border-radius: var(--radius-card); border: 1px solid var(--color-border-subtle); font-size: 13px; line-height: 1.5; display: flex; flex-direction: column; gap: 6px; }
.cases em { color: var(--color-primary-700); font-style: normal; font-weight: var(--fw-semibold); font-size: 13px; }
.case-cta { margin-top: auto; font-size: 13px; color: var(--color-primary-500); font-weight: var(--fw-semibold); }
.case-cta:hover { color: var(--color-primary-700); }

/* ============ Zoom timeline · экран 11 ============ */
.zoom-timeline { position: relative; margin: var(--space-5) 0; padding: 60px 0 80px; background: var(--color-bg-subtle); border-radius: var(--radius-card); overflow: hidden; }
.zoom-timeline__axis { position: absolute; left: 4%; right: 4%; top: 50%; height: 3px; background: var(--color-primary-500); }
.zoom-timeline__pts { list-style: none; margin: 0; padding: 0; position: relative; height: 30px; }
.zoom-timeline__pts li {
  position: absolute; top: calc(50% + 20px); transform: translateX(-50%);
  width: 4px; height: 40px; background: var(--color-primary-700); border-radius: 2px;
}
.zoom-timeline__visits { list-style: none; margin: 0; padding: 0; position: absolute; inset: 0; }
.zoom-timeline__visits li {
  position: absolute; top: 10px; transform: translateX(-50%);
  background: var(--color-primary-700); color: var(--color-text-inverse);
  padding: 6px 12px; border-radius: var(--radius-btn);
  font-size: 12px; text-align: center; min-width: 100px;
}
.zoom-timeline__visits li::after { content: ""; position: absolute; top: 100%; left: 50%; transform: translateX(-50%); width: 2px; height: 30px; background: var(--color-primary-700); }
.zoom-timeline__visits small { display: block; color: var(--color-primary-200); font-size: 10px; }

.stage-table { width: 100%; border-collapse: collapse; font-size: 14px; margin-top: var(--space-4); }
.stage-table th, .stage-table td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--color-border-subtle); vertical-align: top; }
.stage-table thead th { background: var(--color-primary-100); color: var(--color-primary-700); }
.stage-table tbody th { width: 140px; color: var(--color-primary-700); font-weight: var(--fw-semibold); }

/* ============ Life grid · новый S4 (инженер + память) ============ */
.life-grid { display: grid; grid-template-columns: 1.55fr 1fr; gap: var(--space-4); margin-top: var(--space-3); align-items: start; }
.life-grid > div, .life-grid > aside { padding: var(--space-4); border: 1px solid var(--color-border-subtle); border-radius: var(--radius-card); background: var(--color-bg); }
.life-grid h3 { margin: 0 0 var(--space-2); font-size: 16px; color: var(--color-primary-700); }
.life-grid__head { display: flex; justify-content: space-between; align-items: baseline; gap: var(--space-3); flex-wrap: wrap; margin-bottom: var(--space-2); }
.life-grid__note { font-size: 12px; color: var(--color-text-muted); font-style: italic; }
.life-grid__mem { align-self: stretch; }
.life-grid__mem .memory-stack { margin-bottom: var(--space-2); }
.life-grid__mem p { font-size: 13px; color: var(--color-text-secondary); line-height: 1.5; margin: 0 0 var(--space-2); }
.life-grid__mem .retention-badge { margin: var(--space-2) 0 0; padding: 6px 10px; font-size: 12px; }
.life-grid__mem .retention-badge strong { font-size: 18px; }

/* ── S4 compact: всё в 1 viewport, карточки-аккордеон со скроллом внутри ── */
#s4 { padding-top: 72px; padding-bottom: 40px; }
#s4 .slide__title { font-size: clamp(24px, 2.6vw, 34px); margin-bottom: var(--space-2); }
#s4 .slide__lead { font-size: 14px; line-height: 1.5; margin: 0 0 var(--space-3); max-width: 90ch; }
#s4 .life-grid { margin-top: var(--space-2); gap: var(--space-3); align-items: stretch; min-height: 0; }
#s4 .life-grid > div, #s4 .life-grid > aside { padding: var(--space-3); display: flex; flex-direction: column; min-height: 0; }
#s4 .life-grid__head { margin-bottom: 6px; }
#s4 .life-grid h3 { font-size: 14px; margin: 0 0 6px; }
#s4 .life-grid__note { font-size: 11px; }
#s4 .rec-feed { flex: 1; min-height: 0; overflow: hidden; gap: 6px; }
#s4 .rec__summary { padding: 8px 10px; gap: 8px; }
#s4 .rec__details {
  padding: 8px 10px 10px;
  max-height: 34vh;
  overflow-y: auto;
  overscroll-behavior: contain;
}
#s4 .rec__field { gap: 6px; }
#s4 .rec__field dd { font-size: 12px; line-height: 1.4; }
#s4 .rec__field dt { font-size: 9px; padding-top: 1px; }
#s4 .rec__fields { gap: 4px; }
#s4 .rec__actions { margin-top: 8px; }
#s4 .life-grid__mem p { font-size: 12px; line-height: 1.45; margin: 0 0 var(--space-2); }
#s4 .memory-stack { gap: 3px; margin-bottom: var(--space-2); }
#s4 .memory-stack__layer { padding: 5px 10px; font-size: 11px; }
#s4 .slide__ctas { margin-top: var(--space-2); }
#s4 .slide__foot { padding-top: var(--space-2); margin-top: var(--space-2); font-size: 12px; }
#s4 .rec__details { max-height: 30vh; }

/* ============ Ops (legacy) · используется только если явно нужен ============ */
.ops { display: grid; grid-template-columns: 1fr 1.2fr 0.8fr; gap: var(--space-4); margin-top: var(--space-4); align-items: start; }
.ops > div { padding: var(--space-4); border: 1px solid var(--color-border-subtle); border-radius: var(--radius-card); background: var(--color-bg); }
.ops h3 { margin: 0 0 var(--space-3); font-size: 16px; color: var(--color-primary-700); }
.mini-cockpit { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.mini-cockpit__tile { padding: 10px; background: var(--color-primary-100); border-radius: var(--radius-input); cursor: pointer; }
.mini-cockpit__tile > summary { list-style: none; display: grid; grid-template-columns: 1fr auto; gap: 2px 8px; align-items: baseline; }
.mini-cockpit__tile > summary::-webkit-details-marker { display: none; }
.mini-cockpit__tile span { grid-column: 1 / 2; font-size: 11px; color: var(--color-text-secondary); text-transform: uppercase; letter-spacing: .06em; }
.mini-cockpit__tile strong { grid-column: 1 / 2; font-family: var(--font-display); font-size: 20px; color: var(--color-primary-700); }
.mini-cockpit__tile em { grid-column: 2 / 3; grid-row: 1 / 3; font-style: normal; font-size: 11px; color: var(--color-primary-700); text-decoration: underline; align-self: center; }
.mini-cockpit__tile[open] { background: var(--color-bg); border: 1px solid var(--color-primary-300); }
.mini-cockpit__tile p { margin: 6px 0 0; font-size: 12px; line-height: 1.45; color: var(--color-text-primary); }

.rec-feed { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.rec { border-radius: var(--radius-input); border-left: 3px solid; background: var(--color-bg-subtle); font-size: 13px; overflow: hidden; transition: background .2s ease, box-shadow .2s ease; }
.rec--high { border-color: var(--color-red); }
.rec--mid  { border-color: var(--color-orange); }
.rec--low  { border-color: var(--color-primary-400); }
.rec[aria-expanded="true"] { background: var(--color-bg); box-shadow: var(--shadow-1); }

.rec__summary {
  display: grid;
  grid-template-columns: auto auto 1fr auto;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 10px 12px;
  background: transparent;
  border: 0;
  text-align: left;
  font: inherit;
  color: inherit;
  cursor: pointer;
}
.rec__summary:hover { background: color-mix(in srgb, var(--color-neutral-900) 2.5%, transparent); }
.rec__summary:focus-visible { outline: 2px solid var(--color-border-focus); outline-offset: -2px; }
.rec__prio {
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  font-size: 10px;
  letter-spacing: .06em;
  padding: 2px 8px;
  border-radius: 100px;
  color: var(--color-text-inverse);
  white-space: nowrap;
}
.rec--high .rec__prio { background: var(--color-red); }
.rec--mid  .rec__prio { background: var(--color-orange); }
.rec--low  .rec__prio { background: var(--color-primary-400); }
.rec__zone { font-weight: var(--fw-semibold); color: var(--color-primary-700); white-space: nowrap; }
.rec__brief {
  font-size: 12px;
  color: var(--color-text-secondary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.rec__chevron { color: var(--color-text-secondary); transition: transform .2s ease; flex-shrink: 0; }
.rec[aria-expanded="true"] .rec__chevron { transform: rotate(180deg); color: var(--color-primary-700); }
.rec[aria-expanded="true"] .rec__brief { display: none; }

.rec__details {
  padding: 10px 12px 12px;
  border-top: 1px dashed var(--color-border-subtle);
  margin: 0 12px;
  animation: rec-open .22s ease;
}
.rec[aria-expanded="false"] .rec__details { display: none; }
@keyframes rec-open { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: none; } }

.rec__fields { margin: 0; display: grid; gap: 6px; }
.rec__field { display: grid; grid-template-columns: 110px 1fr; gap: 8px; align-items: start; }
.rec__field dt {
  margin: 0;
  font-size: 10px;
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--color-text-secondary);
  line-height: 1.35;
  padding-top: 2px;
}
.rec__field dd { margin: 0; line-height: 1.5; color: var(--color-neutral-900); font-size: 13px; }
.rec__field dd small { display: block; margin-top: 4px; color: var(--color-neutral-700); font-size: 12px; }

.rec__conf {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 100px;
  font-weight: var(--fw-semibold);
  font-size: 12px;
  margin-right: 8px;
}
.rec__conf--high { background: color-mix(in srgb, var(--color-green) 18%, transparent); color: var(--color-green); }
.rec__conf--mid  { background: color-mix(in srgb, var(--color-orange) 20%, transparent); color: var(--color-orange); }
.rec__conf--low  { background: color-mix(in srgb, var(--color-neutral-600) 16%, transparent); color: var(--color-neutral-700); }

.rec__actions { margin-top: 10px; display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }

.btn-clarify {
  background: transparent;
  color: var(--color-primary-700);
  border: 1px dashed var(--color-primary-400);
  padding: 4px 12px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 32px;
  font-size: 14px;
  border-radius: var(--radius-btn);
  transition: background .2s, border-color .2s, color .2s;
}
.btn-clarify:hover  { background: var(--color-primary-100); border-color: var(--color-primary-500); color: var(--color-primary-800); }
.btn-clarify:active { background: var(--color-primary-200); transform: scale(.98); }
.btn-clarify[aria-expanded="true"] { background: var(--color-primary-500); color: var(--color-text-inverse); border-style: solid; border-color: var(--color-primary-500); }

.rec__clarify {
  margin: 10px 0 0;
  padding: 12px;
  background: var(--color-primary-100);
  border: 1px dashed var(--color-primary-400);
  border-radius: var(--radius-input);
  display: grid;
  gap: 10px;
  animation: rec-open .22s ease;
}
.rec__clarify[hidden] { display: none; }
.rec__clarify-ok[hidden] { display: none; }
.rec__clarify-head {
  margin: 0;
  font-size: 12px;
  color: var(--color-primary-800);
  line-height: 1.45;
}
.rec__clarify-tags {
  margin: 0; padding: 0; border: 0;
  display: flex; flex-wrap: wrap; gap: 6px 10px;
}
.rec__clarify-tags legend {
  padding: 0;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: .05em;
  font-weight: var(--fw-semibold);
  color: var(--color-text-secondary);
  margin-bottom: 4px;
  width: 100%;
}
.rec__clarify-tags label {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 12px; color: var(--color-neutral-900);
  padding: 3px 10px;
  background: var(--color-bg);
  border: 1px solid var(--color-primary-300);
  border-radius: 100px;
  cursor: pointer;
  transition: background .15s, border-color .15s;
}
.rec__clarify-tags label:hover { border-color: var(--color-primary-500); }
.rec__clarify-tags input[type="checkbox"] { accent-color: var(--color-primary-500); margin: 0; }
.rec__clarify-tags label:has(input:checked) { background: var(--color-primary-500); color: var(--color-text-inverse); border-color: var(--color-primary-500); }

.rec__clarify-field { display: grid; gap: 4px; }
.rec__clarify-field > span {
  font-size: 10px; text-transform: uppercase; letter-spacing: .05em;
  font-weight: var(--fw-semibold); color: var(--color-text-secondary);
}
.rec__clarify-field textarea.input {
  height: auto; min-height: 56px; padding: 8px 12px; font-size: 13px; box-shadow: none;
}
.rec__clarify-actions { display: flex; gap: 6px; }
.rec__clarify-ok {
  margin: 0; font-size: 12px; color: var(--color-green);
  padding: 6px 10px; background: color-mix(in srgb, var(--color-green) 15%, transparent); border-radius: var(--radius-input);
}

@media (max-width: 1100px) {
  .rec__field { grid-template-columns: 1fr; gap: 2px; }
}

.retention-badge {
  display: inline-flex; align-items: baseline; gap: 8px;
  margin: var(--space-3) 0 0; padding: 10px 16px;
  background: color-mix(in srgb, var(--color-green) 14%, transparent);
  border: 1px solid color-mix(in srgb, var(--color-green) 40%, transparent);
  border-radius: var(--radius-btn); font-size: 13px; color: var(--color-text-primary);
}
.retention-badge strong { font-family: var(--font-display); font-size: 22px; color: var(--color-green); }

.memory-stack { display: grid; gap: 4px; margin-bottom: var(--space-3); }
.memory-stack__layer {
  padding: 6px 10px; width: var(--w); background: var(--gradient-brand-subtle);
  color: var(--color-text-inverse); border-radius: var(--radius-input); font-size: 12px;
}

/* ============ Smart lane · экран 13 ============ */
.smart-lane { position: relative; margin: var(--space-4) 0; }
.smart-lane__overlay { position: absolute; inset: 0; background: color-mix(in srgb, var(--color-magenta) 12%, transparent); border-radius: var(--radius-card); pointer-events: none; }
.smart-lane__stages { list-style: none; margin: 0; padding: var(--space-4); display: grid; grid-template-columns: repeat(6, 1fr); gap: var(--space-2); background: var(--color-bg-subtle); border-radius: var(--radius-card); position: relative; z-index: 1; }
.smart-lane__stage { display: inline-block; padding: 4px 10px; background: var(--color-primary-500); color: var(--color-text-inverse); border-radius: var(--radius-btn); font-size: 13px; font-weight: var(--fw-semibold); margin-bottom: 6px; }
.smart-lane__stages p { font-size: 13px; color: var(--color-text-secondary); margin: 0; }
.contracts { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); margin-top: var(--space-4); align-items: stretch; }
.contracts > div { padding: var(--space-4); border-radius: var(--radius-card); display: flex; flex-direction: column; }
.contracts__base { background: var(--color-primary-100); border: 1px solid var(--color-primary-300); }
.contracts__ext { background: color-mix(in srgb, var(--color-magenta) 8%, transparent); border: 1px dashed var(--color-magenta); }
.contracts h3 { margin: 0 0 var(--space-2); color: var(--color-primary-700); }
.contracts__ext h3 { color: var(--color-magenta); }

/* ============ «Остаётся навсегда» · экран 11 ============ */
.stays {
  margin-top: var(--space-4);
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-card);
  background: var(--color-bg-subtle);
  border: 1px dashed var(--color-primary-300);
}
.stays__title { margin: 0 0 var(--space-2); font-size: 15px; color: var(--color-primary-700); font-weight: var(--fw-semibold); }
.stays__list { list-style: "✓ "; padding-left: 20px; margin: 0; font-size: 14px; color: var(--color-text-primary); display: grid; gap: 4px; }

/* Подпись под финальной схемой · экран 15 */
.slide__caption { margin: var(--space-3) 0 0; font-size: 14px; color: var(--color-text-secondary); font-style: italic; }

/* ============ Pillars cards · экран 14 ============ */
.pillars-cards { list-style: none; padding: 0; margin: var(--space-4) 0 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-3); align-items: stretch; }
.pillars-cards li { padding: var(--space-5); background: var(--color-bg); border: 1px solid var(--color-primary-200); border-radius: var(--radius-card); position: relative; display: flex; flex-direction: column; }
.pillars-cards h3 { margin: 0 0 var(--space-3); color: var(--color-primary-700); font-size: 17px; }
.pillars-cards p { font-size: 14px; color: var(--color-text-secondary); margin: 0 0 var(--space-3); }
.pilot-metrics { list-style: none; padding: 0; margin: auto 0 0; display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.pilot-metrics li { padding: 6px 10px; background: var(--color-primary-100); border-radius: var(--radius-input); font-size: 12px; color: var(--color-primary-800); line-height: 1.3; }
.pilot-metrics li strong { display: block; font-size: 14px; color: var(--color-primary-700); font-family: var(--font-display); }

/* ============ Калькулятор · новый S10 (компактный) ============ */
.slide--calc { padding-top: 80px; padding-bottom: 32px; }
.slide--calc .slide__inner { max-width: 1200px; align-content: start; }
.slide--calc .slide__title { font-size: 28px; margin-bottom: 4px; }
.slide--calc .slide__lead { margin: 0 0 6px; font-size: 13px; }
.slide--calc .slide__foot { display: none; }

/* Эффекты в один ряд (для wide-карточки в правой колонке калькулятора) */
.effects.effects--inline { display: flex; flex-direction: row; gap: 8px; flex-wrap: nowrap; margin-top: 4px; }
.effects.effects--inline .effects__li { flex: 1 1 0; min-width: 0; display: grid; grid-template-columns: 1fr auto; gap: 2px 6px; padding: 7px 10px; align-items: start; }
.effects.effects--inline .effects__li strong { grid-column: 1 / -1; font-size: 11px; text-transform: uppercase; letter-spacing: .03em; }
.effects.effects--inline .effects__li > span:not(.badge) { font-size: 12px; font-weight: var(--fw-semibold); color: var(--color-text-primary); }
.effects.effects--inline .effects__li small { grid-column: 1 / -1; font-size: 10px; line-height: 1.3; color: var(--color-text-muted); display: block; }

/* Инлайновые строки для блока «Доля продукта» */
.check-inline { display: flex; gap: var(--space-4); flex-wrap: wrap; }
.check-inline > div { display: flex; flex-direction: column; gap: 2px; flex: 1; min-width: 140px; }
.check-inline span { font-size: 11px; color: var(--color-text-muted); }
.check-inline strong { font-family: var(--font-display); font-size: 16px; color: var(--color-primary-700); }

.calc--compact { gap: var(--space-3); margin-top: var(--space-2); }
.calc--compact .calc__in { padding: var(--space-3) var(--space-4); gap: var(--space-3); }
.calc--compact .calc__field label { margin-bottom: 2px; font-size: 12px; }
.calc--compact .calc__field .input { padding: 6px 10px; font-size: 14px; height: auto; }
.calc--compact .check { padding: var(--space-3) var(--space-4); gap: 0; }
.calc--compact .check__row { padding: 4px 0; font-size: 13px; gap: 6px; }
.calc--compact .check__row strong { font-size: 14px; }
.calc--compact .effects { gap: 6px; }
.calc--compact .effects__li { padding: 7px 10px; font-size: 12px; grid-template-columns: 80px 1fr auto; gap: 6px; }
.calc--compact .effects__li strong { font-size: 12px; }
.calc--compact .effects__li small { display: block; font-size: 11px; line-height: 1.3; }
.calc--compact .pay-chart { height: 34px; }
.calc--compact .calc__summary { margin: var(--space-2) 0 0; padding: var(--space-2) var(--space-3); font-size: 13px; }
.calc--compact .calc__note { display: none; }
.calc--compact .slider-scale { font-size: 10px; margin-top: 0; }

.contact--compact { margin-top: var(--space-3); padding: var(--space-3) var(--space-4); background: var(--color-neutral-900); color: var(--color-text-inverse); border-radius: var(--radius-card); display: grid; grid-template-columns: auto 1fr 1.3fr auto; gap: var(--space-2); align-items: center; }
.contact--compact h3 { margin: 0; font-size: 13px; color: var(--color-text-inverse); white-space: nowrap; }
.contact--compact .input { padding: 6px 10px; font-size: 13px; color: var(--color-text-primary); height: auto; }
.contact--compact .btn { height: 34px; padding: 6px 18px; font-size: 13px; white-space: nowrap; }
.contact--compact .contact__ok { grid-column: 1 / -1; margin: 4px 0 0; font-size: 12px; }
@media (max-width: 767px) {
  .contact--compact { grid-template-columns: 1fr; }
}


.calc { display: grid; grid-template-columns: 0.7fr 1.3fr; gap: var(--space-4); margin-top: var(--space-4); }
.calc__out { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; align-content: start; }
.calc__out .calc__summary { grid-column: 1 / -1; }
.calc__out .check--wide { grid-column: 1 / -1; }
.calc__in { display: grid; gap: var(--space-4); padding: var(--space-5); background: var(--color-bg-subtle); border-radius: var(--radius-card); align-content: start; }
.calc__field label { display: block; font-size: 13px; color: var(--color-text-secondary); margin-bottom: 6px; font-weight: var(--fw-semibold); }
.calc__field output { color: var(--color-primary-700); font-weight: var(--fw-bold); }
.slider { width: 100%; accent-color: var(--color-primary-500); }
.slider-scale { display: flex; justify-content: space-between; font-size: 11px; color: var(--color-text-muted); margin-top: 2px; }
.calc__toggle { display: flex; gap: var(--space-3); }
.calc__toggle label { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; cursor: pointer; font-weight: var(--fw-regular); color: var(--color-text-primary); }
.calc__hint { color: var(--color-text-muted); font-size: 12px; }

/* Сегментный переключатель «База расчёта» */
.calc__seg { display: grid; grid-template-columns: 1fr 1fr; background: var(--color-bg); border: 1px solid var(--color-primary-200); border-radius: var(--radius-input); padding: 2px; }
.calc__seg input { position: absolute; opacity: 0; pointer-events: none; }
.calc__seg label { margin: 0; padding: 7px 10px; text-align: center; font-size: 12px; color: var(--color-text-secondary); border-radius: calc(var(--radius-input) - 2px); cursor: pointer; font-weight: var(--fw-semibold); transition: background .15s, color .15s; }
.calc__seg input:checked + label { background: var(--color-primary-500); color: var(--color-text-inverse); }
.calc__seg input:focus-visible + label { outline: 2px solid var(--color-primary-300); outline-offset: 2px; }

.check { background: var(--color-bg); border: 1px solid var(--color-primary-200); border-radius: var(--radius-card); padding: var(--space-4); display: grid; gap: 6px; }
.check--group { padding: 10px 14px; }
.check__title { margin: 0 0 6px; font-size: 11px; letter-spacing: .06em; text-transform: uppercase; color: var(--color-text-muted); font-weight: var(--fw-semibold); }
.check--accent { background: color-mix(in srgb, var(--color-primary-500) 5%, var(--color-bg)); border-color: var(--color-primary-300); }
.check__row { display: grid; grid-template-columns: 1fr auto; gap: 10px; align-items: baseline; padding: 6px 0; border-bottom: 1px dashed var(--color-border-subtle); font-size: 13px; }
.check__row:last-child { border-bottom: none; }
.check__row--span { grid-template-columns: 1fr; }
.check__row--hero { padding: 8px 0 10px; border-bottom: 1px solid var(--color-primary-200); }
.check__row--hero span { font-size: 13px; color: var(--color-text-primary); font-weight: var(--fw-semibold); }
.check__row--hero strong { font-size: 22px !important; color: var(--color-primary-700); }
.check__row--sub { padding: 4px 0; font-size: 12px; color: var(--color-text-secondary); align-items: baseline; }
.check__row--sub > span { display: flex; flex-direction: column; gap: 1px; }
.check__row--sub > span small { font-size: 10px; color: var(--color-text-muted); line-height: 1.3; }
.check__row--sub strong { font-size: 13px !important; color: var(--color-text-primary); font-weight: var(--fw-semibold); }
.check__row strong { font-family: var(--font-display); font-size: 16px; color: var(--color-primary-700); }
.check__note { color: var(--color-text-muted); font-size: 11px; margin-top: 6px; line-height: 1.35; }

.pay-chart { display: flex; gap: 3px; margin-top: 4px; height: 34px; width: 100%; overflow: hidden; }
.pay-chart > div { display: flex; align-items: center; justify-content: center; color: var(--color-text-inverse); font-size: 11px; border-radius: var(--radius-input); padding: 0 8px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; min-width: 0; font-weight: var(--fw-semibold); }
.pay-chart__a { background: var(--color-primary-600); }
.pay-chart__b { background: var(--color-primary-500); }
.pay-chart__s { background: var(--gradient-brand); color: var(--color-text-inverse); font-size: 11px; }
.effects { list-style: none; padding: 0; margin: 8px 0 0; display: grid; gap: 8px; }
.effects__li { display: grid; grid-template-columns: auto 1fr auto; gap: 8px; align-items: center; padding: 8px 12px; border-radius: var(--radius-input); background: var(--color-bg-subtle); font-size: 13px; }
.effects__li small { grid-column: 1 / -1; color: var(--color-text-muted); font-size: 11px; }
.effects__li strong { color: var(--color-primary-700); font-size: 13px; }
.effects__li--direct { background: color-mix(in srgb, var(--color-green) 10%, transparent); }
.effects__li--indirect { background: color-mix(in srgb, var(--color-orange) 8%, transparent); }
.effects__li--extra { background: var(--color-primary-100); }
.checklist { list-style: "✓ "; padding-left: 20px; margin: 8px 0 0; font-size: 13px; color: var(--color-text-secondary); }
.calc__summary { margin: var(--space-4) 0 0; padding: var(--space-3) var(--space-4); background: var(--gradient-brand-subtle); color: var(--color-text-inverse); border-radius: var(--radius-card); font-weight: var(--fw-semibold); font-size: 15px; }
.calc__note { font-size: 12px; color: var(--color-text-muted); }
.contact { margin-top: var(--space-6); padding: var(--space-5); background: var(--color-neutral-900); color: var(--color-text-inverse); border-radius: var(--radius-card); }
.contact h3 { margin: 0 0 var(--space-3); color: var(--color-text-inverse); }
.contact__grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-3); }
.contact__grid textarea, .contact__grid .contact__fmt, .contact__grid button { grid-column: 1 / -1; }
.contact .input { color: var(--color-text-primary); }
.contact__fmt { border: 1px solid color-mix(in srgb, var(--color-neutral-100) 20%, transparent); border-radius: var(--radius-input); padding: 8px 12px; display: flex; gap: var(--space-4); flex-wrap: wrap; }
.contact__fmt legend { font-size: 12px; color: var(--color-primary-200); padding: 0 6px; }
.contact__fmt label { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; }
.contact__ok { color: color-mix(in srgb, var(--color-green) 70%, var(--color-neutral-100)); margin: var(--space-3) 0 0; }

/* ============ Подвал ============ */
/* Футер всегда в конце потока документа, не sticky — показывается только после последнего слайда */
.site-foot {
  position: static;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-6);
  padding: var(--space-6) var(--space-8);
  background: var(--color-neutral-200);
  font-size: 13px; color: var(--color-text-secondary);
  border-top: 1px solid var(--color-border-subtle);
}
.site-foot__col strong { display: block; color: var(--color-text-primary); margin-bottom: 4px; }
.site-foot__col a { color: var(--color-text-link); }
.site-foot__col a:hover { color: var(--color-primary-700); }

/* ============ Адаптив ============ */
/* Узкий десктоп / ноутбук / планшет (≤1279): layout упрощается, но режим презентации остаётся */
@media (max-width: 1279px) {
  .slide__inner { grid-template-columns: 1fr; gap: var(--space-5); }
  .cockpit, .result-cards, .pillars-cards { grid-template-columns: repeat(2, 1fr); }
  .two-face { grid-template-columns: 1fr; }
  .life-grid { grid-template-columns: 1fr; }
  .arch-split { grid-template-columns: 1fr; }
  .os-explorer { grid-template-columns: 1fr; }
  .os-viewer__screen { aspect-ratio: 16 / 9; }
  .pilot-steps { grid-template-columns: repeat(2, 1fr); }
  .contact--compact { grid-template-columns: 1fr 1fr; }
  .contact--compact h3 { grid-column: 1 / -1; }
  .contact--compact .btn { grid-column: 1 / -1; }
  .compare, .two-col, .contracts { grid-template-columns: 1fr; }
  .metro { grid-template-columns: repeat(3, 1fr); }
  .metro::before { display: none; }
  .ops { grid-template-columns: 1fr; }
  .smart-lane__stages { grid-template-columns: repeat(3, 1fr); }
  .calc { grid-template-columns: 1fr; }
  .calc__out { grid-template-columns: 1fr 1fr; }
  .progress { display: none; }
  .slide { padding: 90px var(--space-5) var(--space-5); }
}

/* ============ Мобильный режим ============ */
@media (max-width: 767px) {
  /* Отключаем snap — плавный нативный скролл пальцем */
  html { scroll-snap-type: none; }
  .slide { scroll-snap-align: none; }

  /* Слайды перестают быть фиксированными «экранами» — высота по контенту */
  .slide { min-height: auto; padding: 80px var(--space-4) var(--space-5); scroll-margin-top: 64px; }

  /* Убираем переключатель и прогресс — только скролл */
  .slide-nav { display: none !important; }
  .progress { display: none !important; }

  .site-top { padding: var(--space-2) var(--space-4); }
  .site-top__nav { gap: 8px; }
  .site-top__nav-link { display: none; } /* второстепенные якоря прячем */
  .site-top__summary { display: none; }

  .slide__inner { grid-template-columns: 1fr !important; gap: var(--space-4); }
  .slide__title, .slide__title--hero { font-size: 24px !important; line-height: 1.2; overflow-wrap: anywhere; word-break: normal; }
  .slide__lead { font-size: 15px; overflow-wrap: anywhere; }

  /* Все сетки — в одну колонку */
  .cockpit, .result-cards, .pillars-cards, .svc-grid, .agents, .cases, .compare,
  .two-col, .contracts, .mini-cockpit, .ops, .two-face, .life-grid, .arch-split,
  .os-explorer, .pilot-steps, .artifacts, .smart-lane__stages, .calc, .calc__out,
  .kpi-mock__tiles, .passport-mock__grid, .check-inline {
    grid-template-columns: 1fr !important;
  }

  /* Метро-маршрут (6 стадий) — 2 колонки */
  .metro, .metro--with-timeline { grid-template-columns: repeat(2, 1fr) !important; gap: var(--space-3); }
  .metro__dot { width: 44px !important; height: 44px !important; font-size: 15px !important; }

  .stage-table { font-size: 12px; }
  .stage-table th, .stage-table td { padding: 6px; }
  .slide__foot { padding-right: 0; font-size: 12px; }
  .contact__grid { grid-template-columns: 1fr; }
  .strata__layer { grid-template-columns: 1fr; }
  .os-layer { grid-template-columns: 40px 22px 1fr; padding: 10px 12px; }

  /* На мобильном контейнер интерфейса растёт по контенту — ничего не обрезается */
  .os-viewer__screen {
    aspect-ratio: auto;
    height: auto;
    min-height: 320px;
    overflow: visible;
  }
  /* Активная панель — в потоке, неактивные остаются скрыты через [hidden] */
  .os-viewer__panel { position: static; inset: auto; }
  .os-viewer__panel[hidden] { display: none; }
  /* Моки и картинки — естественная высота вместо 100% */
  .os-viewer__panel img { width: 100%; height: auto; max-height: 60vh; }
  .kpi-mock, .passport-mock { height: auto; min-height: 320px; width: 100%; padding: 14px 16px; gap: 12px; }
  .kpi-mock__tiles, .passport-mock__grid { flex: 0 0 auto; }
  .kpi-mock__tiles strong { font-size: 18px; }
  .passport-mock__grid { grid-template-columns: 1fr !important; }
  .pilot-metrics { grid-template-columns: 1fr; }
  .calc__in { padding: var(--space-3); }
  .check__row { grid-template-columns: 1fr !important; gap: 4px; align-items: start; }
  .check__row strong { font-size: 16px; justify-self: start; }
  .pay-chart { height: auto; flex-direction: column; }
  .pay-chart > div { padding: 8px; min-height: 36px; }
  .effects__li { grid-template-columns: 1fr !important; }
  .effects.effects--inline { flex-direction: column; }

  /* Контактная форма — в столбик */
  .contact--compact { grid-template-columns: 1fr !important; gap: var(--space-2); }
  .contact--compact h3 { grid-column: auto; }
  .contact--compact .btn { grid-column: auto; }

  /* Rec-аккордеон: в s4 убираем фикс max-height, чтобы развёрнутая карточка читалась полностью */
  #s4 .rec__details { max-height: none; }
  .rec__summary { grid-template-columns: auto 1fr auto; grid-template-rows: auto auto; }
  .rec__prio { grid-row: 1; }
  .rec__zone { grid-row: 1; }
  .rec__brief { grid-column: 1 / -1; grid-row: 2; white-space: normal; }
  .rec__chevron { grid-row: 1; }
  .rec__field { grid-template-columns: 1fr !important; gap: 2px !important; }

  /* Таймлайн умных помещений — стадия + текст в столбик */
  .smart-lane__stages li { display: flex; flex-direction: column; gap: 4px; }

  /* Артефакты s6b — карточки без флекс-stretch */
  .artifact { padding: var(--space-3) var(--space-4); }

  /* Футер — в столбик */
  .site-foot { grid-template-columns: 1fr; gap: var(--space-4); padding: var(--space-5) var(--space-4); }

  /* os-explorer: капшн + иконки устройств перенести под */
  .os-viewer__caption { grid-template-columns: 1fr; gap: 6px; }
  .os-viewer__caption-dev { justify-content: flex-start; }
  .os-legend { gap: 8px 12px; font-size: 11px; }
}