/* Интерактивная схема слоёв — partials/layers.html.twig + js/layers.js */
:root {
  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
  --ease-in-out: cubic-bezier(0.77, 0, 0.175, 1);
  --t-move: .6s;
}
.layers { position: relative; background: var(--navy-card); border-radius: var(--r-md); padding: 20px 20px 24px; display: flex; flex-direction: column; gap: 16px; }
.layers__stage { position: relative; cursor: pointer; }

/* Слои — обычные картинки со сдвигом через transform (композитинг на GPU). */
.ls-float, .ls-stack { position: absolute; inset: 0; }
.ls-stack { transform: translate3d(0, calc(var(--shift-rest) * var(--k) * 1px), 0); transition: transform var(--t-move) var(--ease-in-out); will-change: transform; }
.layers.is-open .ls-stack { transform: translate3d(0, 0, 0); }
.ls-shadow { position: absolute; pointer-events: none; opacity: .9; transform-origin: 50% 50%; transition: transform var(--t-move) var(--ease-in-out), opacity var(--t-move) var(--ease-in-out); }
.ls-shadow img { display: block; width: 100%; height: auto; }
.layers.is-open .ls-shadow { transform: scale(1.06); opacity: .6; }
.ls-slab { position: absolute; transform: translate3d(0, calc(var(--y-rest) * var(--k) * 1px), 0); transition: transform var(--t-move) var(--ease-in-out); transition-delay: var(--d-close); will-change: transform; pointer-events: none; }
.layers.is-open .ls-slab { transform: translate3d(0, calc(var(--y-open) * var(--k) * 1px), 0); transition-delay: var(--d-open); }
.ls-lift { position: relative; transition: transform .22s var(--ease-out); }
.ls-lift img { display: block; width: 100%; height: auto; }
.ls-lift .ls-dim { position: absolute; inset: 0; filter: brightness(.42) saturate(.25); opacity: 0; transition: opacity .2s ease; }
.layers.has-focus .ls-slab:not(.is-focus) .ls-dim { opacity: 1; }
.layers.has-focus .ls-slab.is-focus .ls-lift { transform: translate3d(0, -6px, 0); }

/* «Дыхание» в покое — на отдельной обёртке, чтобы не конфликтовать с раскрытием */
@media (hover: hover) and (pointer: fine) and (prefers-reduced-motion: no-preference) {
  .layers:not(.was-touched) .ls-float { animation: breathe 3.2s var(--ease-in-out) 1.2s infinite; }
}
@keyframes breathe { 0%, 100% { transform: translate3d(0, 0, 0); } 50% { transform: translate3d(0, -6px, 0); } }

/* Невидимые зоны наведения поверх картинок: двигаются вместе со слоями */
.ls-hit { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; }
.ls-hit .stack-g { transform: translateY(var(--shift-rest-u)); transition: transform var(--t-move) var(--ease-in-out); }
.layers.is-open .ls-hit .stack-g { transform: translateY(0); }
.ls-hit .hit-g { transform: translateY(var(--y-rest-u)); transition: transform var(--t-move) var(--ease-in-out); transition-delay: var(--d-close); }
.layers.is-open .ls-hit .hit-g { transform: translateY(var(--y-open-u)); transition-delay: var(--d-open); }
.ls-hit polygon { fill: transparent; cursor: pointer; }

/* Подписи */
.tag { position: absolute; display: flex; align-items: flex-start; gap: 10px; color: #fff; font-size: 13px; line-height: 1.25; opacity: .72; transform: translate3d(0, var(--dy, 0px), 0); transition: opacity .25s var(--ease-out), transform var(--t-move) var(--ease-in-out), color .2s ease; transition-delay: 0s, var(--d-close), 0s; pointer-events: none; will-change: transform; }
.tag::before { content: ""; width: 32px; height: 1px; margin-top: 8px; background: rgba(255,255,255,.45); flex: none; }
.tag p { position: relative; }
.tag b { display: block; font-weight: 600; white-space: nowrap; }
.tag span { position: absolute; left: 0; top: 100%; width: 110px; padding-top: 2px; color: var(--on-dark); font-size: 11px; opacity: 0; transition: opacity .2s ease; }
.layers.is-open .tag { opacity: 1; transform: none; transition-delay: 0s, var(--d-open), 0s; }
.layers.is-open.is-settled .tag span { opacity: 1; }
.layers.has-focus .tag { opacity: .35; }
.layers.has-focus .tag.is-focus { opacity: 1; color: var(--gold-text); }

/* Кнопки-этапы */
.steps-chips { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; }
.chip-step { display: inline-flex; align-items: center; gap: 8px; min-height: 40px; padding: 8px 14px; border-radius: 100px; border: 1px solid rgba(255,255,255,.18); background: rgba(255,255,255,.04); color: #fff; font: inherit; font-size: 15px; font-weight: 500; cursor: pointer; transition: background-color .2s ease, border-color .2s ease, color .2s ease; }
.chip-step i { width: 10px; height: 10px; border-radius: 3px; background: var(--c); }
.chip-step[aria-pressed="true"] { background: rgba(249,174,23,.16); border-color: var(--gold); color: var(--gold-text); }
.steps-chips .arr { color: rgba(255,255,255,.4); }
@media (hover: hover) and (pointer: fine) { .chip-step:hover { border-color: rgba(255,255,255,.4); } }

/* Карточка слоя: место зарезервировано — секция не прыгает */
.layers__desc { position: relative; font-size: 13px; line-height: 1.5; color: var(--on-dark); }
.layers__desc > * { transition: opacity .18s ease; }
.lc { display: grid; gap: 8px; padding: 16px 18px; border-radius: 12px; background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.1); }
.lc__head { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.lc__head i { width: 10px; height: 10px; border-radius: 3px; align-self: center; }
.lc__head b { font-size: 17px; color: #fff; }
.lc__head em { font-style: normal; color: var(--gold-text); font-size: 13px; }
.lc__row { display: grid; grid-template-columns: 90px 1fr; gap: 12px; color: #fff; }
.lc__row span { color: var(--on-dark); }
.lc__list { margin: 2px 0 0; padding-left: 18px; list-style: disc; color: #dbe5ee; }
.lc__list li { margin: 2px 0; }
.lc__why { color: var(--on-dark); font-style: italic; }
.lc__back { justify-self: start; margin-top: 2px; padding: 0; border: 0; background: none; color: var(--gold-text); font: inherit; font-size: 13px; font-weight: 600; cursor: pointer; }
.lg { display: grid; border-radius: 12px; border: 1px solid rgba(255,255,255,.1); overflow: hidden; }
.lg__row { display: grid; grid-template-columns: 12px minmax(110px, auto) 1fr auto 16px; align-items: center; gap: 12px; padding: 13px 16px; border: 0; border-bottom: 1px solid rgba(255,255,255,.08); background: transparent; color: #fff; font: inherit; font-size: 14px; text-align: left; cursor: pointer; transition: background-color .15s ease; }
.lg__row i { width: 12px; height: 12px; border-radius: 3px; }
.lg__row b { font-weight: 600; }
.lg__mat { color: var(--on-dark); font-size: 13px; }
.lg__th { color: var(--gold-text); font-size: 13px; white-space: nowrap; }
.lg__go { color: rgba(255,255,255,.35); transition: transform .2s var(--ease-out), color .2s ease; }
.lg__hint { margin: 0; padding: 10px 16px; font-size: 12px; color: var(--on-dark); }
@media (hover: hover) and (pointer: fine) {
  .lg__row:hover { background: rgba(255,255,255,.05); }
  .lg__row:hover .lg__go { color: var(--gold-text); transform: translateX(3px); }
}
@media (max-width: 640px) { .lg__row { grid-template-columns: 12px 1fr auto; } .lg__mat, .lg__go { display: none; } }

@media (max-width: 640px) {
  .tag { display: none; }
  .chip-step { font-size: 13px; min-height: 36px; padding: 6px 10px; }
  .steps-chips .arr { display: none; }
  .lc__row { grid-template-columns: 1fr; gap: 0; }
}
@media (prefers-reduced-motion: reduce) {
  :root { --t-move: 0s; }
  .ls-lift, .tag { transition: opacity .2s ease; }
}

/* ---------- Раскладка секции: схема слева, состав справа, преимущества — строкой снизу ---------- */
.lsys { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); gap: 24px; align-items: stretch; }
.lsys .layers { padding: 24px; justify-content: center; }
.lsys__side { display: flex; flex-direction: column; gap: 14px; }
.lsys__label { margin: 0; font-size: 12px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--gold-text); }
.lsys .layers__desc { flex: 1; display: flex; flex-direction: column; }
.lsys .layers__desc > * { flex: 1; }
/* Легенда — по правке Антона в Figma (узел 111:573) */
.lsys .lg { display: flex; flex-direction: column; background: rgba(255,255,255,.03); border-color: rgba(255,255,255,.1); }
.lsys .lg__rows { flex: 1; display: flex; flex-direction: column; padding: 16px 30px; }
.lsys .lg__row { flex: 1; display: grid; grid-template-columns: 12px minmax(0, 1fr) auto 16px; grid-template-rows: auto auto; column-gap: 30px; row-gap: 8px; align-content: center; padding: 18px 0; border-bottom: 1px solid rgba(255,255,255,.1); }
.lsys .lg__row:last-child { border-bottom: 0; }
.lsys .lg__row i { grid-row: 1 / 3; align-self: center; }
.lsys .lg__row b { grid-column: 2; font-size: 24px; line-height: 24px; font-weight: 600; }
.lsys .lg__mat { grid-column: 2; grid-row: 2; font-size: 16px; line-height: 19.5px; color: #b8c4bc; }
.lsys .lg__th { grid-column: 3; grid-row: 1 / 3; align-self: center; text-align: right; font-size: 13px; }
.lsys .lg__go { grid-column: 4; grid-row: 1 / 3; align-self: center; margin-left: -18px; }
.lsys .lg__hint { padding: 10px 16px; border-top: 1px solid rgba(255,255,255,.1); color: #b8c4bc; }
@media (hover: hover) and (pointer: fine) {
  .lsys .lg__row { transition: opacity .15s ease; }
  .lsys .lg__rows:hover .lg__row:not(:hover) { opacity: .6; }
  .lsys .lg__row:hover { background: transparent; }
}
.lsys .lc { display: flex; flex-direction: column; gap: 10px; padding: 20px 22px; }
.lsys .lc { font-size: 15px; gap: 16px; padding: 24px 26px; }
.lsys .lc .lc__head b { font-size: 24px; }
.lsys .lc .lc__head em { font-size: 14px; }
.lsys .lc__row { grid-template-columns: 110px 1fr; padding: 12px 0; border-top: 1px solid rgba(255,255,255,.08); }
.lsys .lc__list { padding-left: 20px; }
.lsys .lc__list li { margin: 6px 0; }
.lsys .lc__why { font-size: 14px; padding: 12px 14px; border-radius: 10px; background: rgba(249,174,23,.08); border-left: 2px solid var(--gold); font-style: normal; }
.lc__nav { margin-top: auto; padding-top: 14px; border-top: 1px solid rgba(255,255,255,.1); display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px; }
.lc__tabs { display: flex; flex-wrap: wrap; gap: 6px; }
.lc__tab { display: inline-flex; align-items: center; gap: 6px; padding: 6px 10px; border-radius: 100px; border: 1px solid rgba(255,255,255,.16); background: transparent; color: #fff; font: inherit; font-size: 12px; cursor: pointer; }
.lc__tab i { width: 8px; height: 8px; border-radius: 2px; }
.lc__tab.is-on { border-color: var(--gold); color: var(--gold-text); background: rgba(249,174,23,.12); }
@media (hover: hover) and (pointer: fine) { .lc__tab:hover { border-color: rgba(255,255,255,.4); } }
.benefits { list-style: none; margin: 28px 0 0; padding: 24px 0 0; border-top: 1px solid rgba(255,255,255,.14); display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 32px; }
.benefits li { display: grid; grid-template-columns: 32px 1fr; column-gap: 12px; row-gap: 6px; color: #fff; }
.benefits__n { grid-row: 1 / 3; color: var(--gold-text); font-weight: 600; font-size: 14px; padding-top: 3px; }
.benefits b { font-size: 18px; font-weight: 600; }
.benefits li > span:last-child { font-size: 14px; line-height: 1.5; color: var(--on-dark); }
@media (max-width: 1000px) {
  .lsys { grid-template-columns: 1fr; }
  .lsys .lg__row { flex: none; padding: 14px 0; }
  .benefits { grid-template-columns: 1fr; gap: 18px; }
}
@media (max-width: 640px) {
  .lsys .lg__row { grid-template-columns: 12px minmax(0, 1fr) auto; }
  .lsys .lg__mat { display: block; }
  .lsys .lg__row { grid-template-rows: auto auto auto; }
  .lsys .lg__row i { grid-row: 1 / 4; }
  .lsys .lg__th { grid-column: 2; grid-row: 3; text-align: left; font-size: 12px; }
  .lsys .lg__row { grid-template-columns: 12px minmax(0, 1fr); column-gap: 16px; }
  .lsys .lg__rows { padding: 8px 18px; }
  .lsys .lg__row b { font-size: 19px; }
  .lsys .lg__mat { font-size: 14px; }
}