/* Гостевая часть: шапка, герой по макету, витрина-полки, колбы, рекуператор, подвал */
body {
  background:
    radial-gradient(60% 40% at 8% 18%, rgba(255, 196, 120, .10), transparent 70%),
    linear-gradient(180deg, #17110c 0%, #110d09 40%, #0e0b08 100%);
  overflow-x: hidden;
}
body.is-dragging, body.is-dragging * { cursor: grabbing !important; user-select: none; }

/* ---------- Шапка ---------- */
.site-header {
  position: relative; z-index: 30;
  display: grid; grid-template-columns: auto 1fr auto auto; align-items: center; gap: 24px;
  padding: 14px var(--gutter);
}
.logo { display: grid; justify-items: center; text-decoration: none; color: var(--text); line-height: 1; }
.logo__name { font: 500 clamp(22px, 3vw, 32px)/1 var(--f-display); letter-spacing: .04em; text-transform: uppercase; }
.logo__sub { font: 400 9px/1.6 var(--f-display); letter-spacing: .5em; text-transform: uppercase; border-top: 1px solid rgba(240, 230, 207, .4); padding-top: 2px; margin-top: 3px; }
.logo__city { font: 18px/1 var(--f-hand); color: var(--brass-2); transform: rotate(-4deg); margin-top: 2px; }

.site-nav { display: flex; justify-content: center; gap: clamp(16px, 3vw, 40px); }
.site-nav a { color: var(--text); text-decoration: none; font: 400 14px/1 var(--f-display); letter-spacing: .16em; text-transform: uppercase; padding: 8px 0; }
.site-nav a:hover { color: var(--brass-2); }
.site-header__addr { font: 400 13px/1 var(--f-display); letter-spacing: .12em; text-transform: uppercase; color: var(--text-dim); }

.burger { display: grid; gap: 7px; width: 44px; height: 44px; padding: 11px 6px; border: 0; background: none; }
.burger span:not(.sr-only) { display: block; height: 2px; background: var(--text); transition: transform .2s, opacity .2s; }
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(9px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-9px) rotate(-45deg); }

@media (max-width: 860px) {
  .site-header { grid-template-columns: 1fr auto; }
  .site-header__addr { display: none; }
  .site-nav {
    position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; gap: 0; padding: 8px var(--gutter) 16px;
    background: var(--night-2); border-bottom: 1px solid rgba(194, 154, 91, .25);
    display: none;
  }
  .site-nav.is-open { display: flex; }
  .site-nav a { padding: 14px 0; border-bottom: 1px solid rgba(240, 230, 207, .08); }
}

/* ---------- Герой ---------- */
.hero {
  position: relative;
  display: grid; justify-items: center; gap: 22px;
  padding: 18px var(--gutter) 40px;
}
.sign {
  position: relative; width: min(760px, 100%);
  padding: 22px clamp(18px, 4vw, 44px) 20px;
  border: 1px solid #8a7550; border-radius: 3px;
  box-shadow: inset 0 0 0 6px rgba(43, 33, 24, .08), inset 0 0 0 7px rgba(43, 33, 24, .35), var(--shadow);
  text-align: center;
}
.sign::before, .sign::after { content: ''; position: absolute; top: 10px; width: 7px; height: 7px; border-radius: 50%; background: #6d5a3c; }
.sign::before { left: 10px; } .sign::after { right: 10px; }
.sign__icon { width: 44px; margin: 0 auto 6px; color: var(--ink); }
.sign__title { margin: 0; font-family: var(--f-display); font-weight: 500; text-transform: uppercase; line-height: 1.02; color: var(--ink); }
.sign__line1 { display: block; font-size: clamp(34px, 7vw, 64px); letter-spacing: .06em; }
.sign__line2 { display: block; font-size: clamp(17px, 3.4vw, 34px); letter-spacing: .04em; }
.sign__motto { display: flex; justify-content: center; gap: 14px; margin: 12px 0 0; padding: 0; list-style: none; font: 400 12px/1 var(--f-display); letter-spacing: .2em; text-transform: uppercase; color: var(--ink-soft); }
.sign__num { position: absolute; right: 18px; bottom: 12px; font: 500 16px/1 var(--f-display); color: var(--ink-soft); }

.hero__stamp { position: absolute; right: var(--gutter); top: 28px; margin: 0; color: var(--paper-2); font-size: 16px; padding: .5em .8em; transform: rotate(4deg); }
.hero__cta { display: grid; justify-items: center; gap: 12px; margin-top: 6px; }
.btn--frame {
  min-height: 64px; padding: 0 clamp(22px, 5vw, 44px);
  font-size: clamp(16px, 2.6vw, 22px); letter-spacing: .14em;
  color: var(--text); border-color: var(--text); border-radius: 10px;
  outline: 1px solid rgba(240, 230, 207, .35); outline-offset: 4px;
  background: rgba(10, 8, 6, .7);
}
.btn--frame:hover { color: var(--brass-2); border-color: var(--brass-2); background: rgba(10, 8, 6, .9); }
.hero__caption { margin: 0; font: 400 14px/1 var(--f-display); letter-spacing: .24em; text-transform: uppercase; color: var(--text-dim); }

.poster, .notebook { display: none; }

@media (max-width: 1099px) {
  .hero__stamp { position: static; order: 2; font-size: 12px; transform: rotate(-3deg); }
}
@media (max-width: 860px) {
  .sign__num { display: none; }
}

@media (min-width: 1100px) {
  .hero { grid-template-columns: 220px 1fr 220px; align-items: start; padding-top: 28px; }
  .sign { grid-column: 2; }
  .hero__stamp { top: 40px; font-size: 20px; }
  .hero__cta { grid-column: 2; }
  .poster {
    display: block; grid-column: 1; grid-row: 1 / span 2;
    padding: 16px; border: 6px solid #4a3a28; box-shadow: var(--shadow); transform: rotate(-1.5deg);
    text-align: center;
  }
  .poster__quote { margin: 0 0 12px; font: 500 22px/1.1 var(--f-display); text-transform: uppercase; letter-spacing: .04em; }
  .poster__portrait { width: 100%; filter: sepia(.4); }
  .poster__caption { margin: 10px 0 0; font: 400 12px/1.35 var(--f-display); letter-spacing: .1em; text-transform: uppercase; }
  .notebook {
    display: block; position: absolute; right: var(--gutter); bottom: -34px; z-index: 2;
    width: 250px; padding: 16px 20px 18px; transform: rotate(3deg);
    box-shadow: var(--shadow); color: #2d3550; font-family: var(--f-hand);
  }
  .notebook__title { margin: 0 0 6px; font-size: 20px; line-height: 1.1; }
  .notebook__list { margin: 0; padding-left: 22px; font-size: 18px; line-height: 28px; }
  .notebook__sign { margin: 6px 0 0; text-align: right; font-size: 17px; }
  .notebook__stamp { position: absolute; right: 12px; bottom: 44px; font-size: 10px; }
}

/* ---------- Лаборатория ---------- */
.lab {
  position: relative;
  padding: 36px 0 0;
  background:
    linear-gradient(180deg, rgba(0, 0, 0, .25), transparent 120px),
    repeating-linear-gradient(90deg, #1b1510 0 118px, #17120d 118px 120px);
  border-top: 1px solid rgba(194, 154, 91, .18);
}
.lab__head { padding: 0 var(--gutter); text-align: center; }
.lab__title { margin: 6px 0 6px; font: 500 clamp(24px, 4.4vw, 38px)/1.1 var(--f-display); letter-spacing: .05em; text-transform: uppercase; }
.lab__hint { margin: 0 auto; max-width: 560px; color: var(--text-dim); }
.lab__i { display: inline-grid; place-items: center; width: 20px; height: 20px; border-radius: 50%; border: 1px solid var(--brass); color: var(--brass-2); font: 600 12px/1 var(--f-serif); font-style: italic; }

/* Фильтры-«реактивы» */
.reagents {
  display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 12px 28px;
  margin: 22px auto 0; padding: 0 var(--gutter);
}
.reagent { display: grid; grid-template-columns: auto 150px 24px; align-items: center; gap: 12px; }
.reagent__name { font: 400 13px/1 var(--f-display); letter-spacing: .16em; text-transform: uppercase; color: var(--text-dim); }
.reagent__value { font: 700 18px/1 var(--f-mono); color: var(--brass-2); text-align: center; }
.reagent__range {
  -webkit-appearance: none; appearance: none; width: 100%; height: 26px; margin: 0; background: transparent;
}
.reagent__range::-webkit-slider-runnable-track {
  height: 6px; border-radius: 3px;
  background: repeating-linear-gradient(90deg, #6b5536 0 2px, transparent 2px 20%), linear-gradient(#2c241b, #2c241b);
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, .6);
}
.reagent__range::-moz-range-track { height: 6px; border-radius: 3px; background: #2c241b; }
.reagent__range::-webkit-slider-thumb {
  -webkit-appearance: none; width: 22px; height: 22px; margin-top: -8px; border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #f3d9a4, #b08445 60%, #6e4f25); border: 1px solid #3a2a15;
  box-shadow: 0 2px 6px rgba(0, 0, 0, .6);
}
.reagent__range::-moz-range-thumb { width: 22px; height: 22px; border-radius: 50%; background: #c29a5b; border: 1px solid #3a2a15; }

@media (max-width: 520px) {
  .reagents { gap: 10px; }
  .reagent { grid-template-columns: 104px 1fr 22px; width: 100%; }
}

/* Навигация по разделам витрины (мобильный) */
.shelf-tabs {
  position: sticky; top: 0; z-index: 12;
  display: flex; gap: 8px; overflow-x: auto; scrollbar-width: none;
  margin-top: 20px; padding: 10px var(--gutter);
  background: rgba(17, 13, 9, .92); backdrop-filter: blur(4px);
  border-bottom: 1px solid rgba(194, 154, 91, .15);
}
.shelf-tabs::-webkit-scrollbar { display: none; }
.shelf-tabs a {
  flex: none; padding: 8px 14px; border: 1px solid rgba(194, 154, 91, .45); border-radius: 999px;
  color: var(--text); text-decoration: none; font: 400 13px/1 var(--f-display); letter-spacing: .14em; text-transform: uppercase;
}
.shelf-tabs a:hover { border-color: var(--brass-2); color: var(--brass-2); }

/* Полки */
.shelves {
  --row: 188px;
  display: grid; gap: 28px;
  padding: 20px var(--gutter) 28px;
}
.shelf { scroll-margin-top: 64px; }
.shelf__title {
  margin: 0 0 6px; text-align: center;
  font: 400 15px/1 var(--f-display); letter-spacing: .3em; text-transform: uppercase; color: var(--text);
}
.shelf__grid {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); grid-auto-rows: var(--row);
  padding: 0 6px;
  border-left: 6px solid #2b2119; border-right: 6px solid #2b2119;
  background:
    repeating-linear-gradient(180deg,
      transparent 0 calc(var(--row) - 12px),
      #4a3826 calc(var(--row) - 12px) calc(var(--row) - 9px),
      #2a1f16 calc(var(--row) - 9px) var(--row)),
    linear-gradient(180deg, rgba(0, 0, 0, .35), rgba(0, 0, 0, .1));
}
@media (min-width: 560px) { .shelf__grid { grid-template-columns: repeat(6, minmax(0, 1fr)); } }
@media (min-width: 1100px) {
  .shelves { grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 0; max-width: 1440px; margin: 0 auto; }
  .shelf + .shelf .shelf__grid { border-left-width: 0; }
  .shelf__grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .shelf-tabs { display: none; }
}

/* Колба-карточка */
.flask {
  position: relative;
  display: grid; grid-template-rows: 1fr auto; justify-items: center;
  padding: 10px 2px 14px; outline: none;
  touch-action: pan-x pan-y; -webkit-touch-callout: none; user-select: none; -webkit-user-select: none;
  cursor: grab; transition: opacity .25s, filter .25s;
}
.flask__glass { position: relative; width: min(58px, 80%); align-self: end; transition: transform .2s ease; filter: drop-shadow(0 6px 6px rgba(0, 0, 0, .5)); }
.flask__glass .flask-svg { width: 100%; height: auto; }
.flask__tag {
  display: grid; justify-items: center; gap: 1px; margin-top: 6px; width: 100%;
  font: 400 10.5px/1.15 var(--f-mono); text-align: center; color: var(--text);
}
.flask__name { text-transform: uppercase; letter-spacing: .02em; overflow-wrap: anywhere; min-height: 2.3em; display: grid; align-items: center; }
.flask__price { color: var(--brass-2); }
.flask__info {
  position: absolute; top: 2px; right: 2px; z-index: 2;
  display: grid; place-items: center; width: 30px; height: 30px; padding: 0;
  border: 0; border-radius: 50%; background: transparent; color: var(--brass-2);
}
.flask__info::before {
  content: 'i'; display: grid; place-items: center; width: 20px; height: 20px; border-radius: 50%;
  border: 1px solid var(--brass); background: rgba(17, 13, 9, .8);
  font: italic 700 12px/1 var(--f-serif);
}
.flask__info:hover::before { background: var(--brass); color: var(--night); }

@media (hover: hover) {
  .flask:hover .flask__glass { transform: translateY(-5px); }
}
.flask:focus-visible .flask__glass { outline: 2px solid var(--brass-2); outline-offset: 4px; }

.flask.is-dim { opacity: .28; filter: grayscale(.7); }
.flask.is-selected .flask__glass { opacity: .28; transform: none; }
.flask.is-selected::after {
  content: '✓ в формуле'; position: absolute; left: 50%; top: 42%; transform: translate(-50%, -50%) rotate(-8deg);
  padding: 2px 6px; border: 1.5px solid var(--brass-2); border-radius: 2px;
  background: rgba(17, 13, 9, .75); color: var(--brass-2);
  font: 500 10px/1.2 var(--f-display); letter-spacing: .08em; text-transform: uppercase; white-space: nowrap;
}
.flask.is-out { cursor: not-allowed; }
.flask.is-out .flask__glass { opacity: .3; filter: grayscale(1); }
.flask.is-out::after {
  content: 'нет в наличии'; position: absolute; left: 50%; top: 42%; transform: translate(-50%, -50%) rotate(-12deg);
  padding: 2px 5px; border: 1.5px solid var(--danger); color: var(--danger);
  font: 500 9.5px/1.2 var(--f-display); letter-spacing: .06em; text-transform: uppercase; white-space: nowrap;
}
.flask.is-source { opacity: .35; }

.drag-ghost {
  position: fixed; left: 0; top: 0; z-index: 90; width: 64px; pointer-events: none;
  transform: translate(-50%, -60%) rotate(10deg) scale(1.15);
  filter: drop-shadow(0 16px 14px rgba(0, 0, 0, .55));
}

/* ---------- Рекуператор ---------- */
.recup {
  position: sticky; bottom: 0; z-index: 20;
  display: grid; align-items: center; gap: 8px 14px;
  grid-template-columns: 1fr auto;
  grid-template-areas: "slots slots" "meta actions" "error error";
  margin-top: 8px;
  padding: 10px var(--gutter) calc(10px + env(safe-area-inset-bottom));
  background: linear-gradient(180deg, #34404a, #252d34 60%, #1d2429);
  border-top: 2px solid #56626b; box-shadow: 0 -12px 30px rgba(0, 0, 0, .55);
  color: var(--text);
  transition: box-shadow .2s;
}
.recup.is-over { box-shadow: 0 -12px 30px rgba(0, 0, 0, .55), inset 0 0 0 3px var(--brass-2); }
.recup.is-bump .recup__slots { animation: bump .35s ease; }
@keyframes bump { 40% { transform: scale(1.04); } }

.recup__plate, .recup__gauge { display: none; }
.recup__slots { grid-area: slots; display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 6px; margin: 0; padding: 0; list-style: none; }
.slot {
  position: relative; display: grid; place-items: center; width: 100%; height: 58px; padding: 4px 0;
  border: 1px solid rgba(255, 255, 255, .12); border-radius: 4px;
  background: rgba(0, 0, 0, .28); color: rgba(233, 220, 191, .35);
}
.slot .flask-svg { height: 48px; width: auto; }
.slot.is-filled { border-color: rgba(227, 194, 135, .5); background: rgba(0, 0, 0, .18); }
.slot__num { position: absolute; left: 4px; top: 2px; font: 10px/1 var(--f-mono); color: rgba(233, 220, 191, .45); }
.slot.is-filled::after {
  content: '×'; position: absolute; right: 2px; top: 1px; width: 16px; height: 16px; border-radius: 50%;
  display: grid; place-items: center; background: rgba(0, 0, 0, .55); color: var(--paper); font: 12px/1 var(--f-mono);
  opacity: .8;
}
.recup__meta { grid-area: meta; display: flex; flex-wrap: wrap; align-items: baseline; gap: 2px 12px; }
.recup__count { font: 700 22px/1 var(--f-mono); color: var(--brass-2); }
.recup__sum { font: 15px/1 var(--f-mono); color: var(--text-dim); }
.recup__actions { grid-area: actions; display: flex; gap: 8px; align-items: center; }
.recup__random { display: none; }
.recup__start { min-height: 46px; }
.recup__error { grid-area: error; margin: 0; min-height: 0; color: #f2a68f; font-size: 14px; text-align: center; }
.recup__error:empty { display: none; }
.recup.is-complete .recup__start { box-shadow: 0 0 0 0 rgba(227, 194, 135, .6); animation: pulse 1.8s infinite; }
@keyframes pulse { 70% { box-shadow: 0 0 0 12px rgba(227, 194, 135, 0); } 100% { box-shadow: 0 0 0 0 rgba(227, 194, 135, 0); } }

.reagents .recup__random-mobile { display: inline-flex; }

@media (min-width: 760px) {
  .recup {
    grid-template-columns: auto auto 1fr auto auto;
    grid-template-areas: "plate gauge slots meta actions" "error error error error error";
    gap: 6px 22px;
  }
  .recup__plate {
    grid-area: plate; display: grid; gap: 3px; padding: 8px 12px; text-align: center;
    background: linear-gradient(#d8c79f, #b9a57a); color: #2b2118; border-radius: 2px;
    box-shadow: inset 0 0 0 1px rgba(0, 0, 0, .35), 0 2px 0 rgba(0, 0, 0, .4);
  }
  .recup__brand { font: 600 17px/1 var(--f-display); letter-spacing: .14em; text-transform: uppercase; }
  .recup__model { font: 10px/1 var(--f-mono); }
  .recup__gauge { grid-area: gauge; display: block; width: 58px; }
  .recup__needle { transform-origin: 30px 30px; transition: transform .5s cubic-bezier(.3, 1.6, .5, 1); }
  .recup__meta { flex-direction: column; align-items: flex-end; gap: 4px; }
  .recup__random { display: inline-flex; }
  .slot { height: 70px; }
  .slot .flask-svg { height: 58px; }
}
@media (min-width: 1100px) {
  .recup__slots { max-width: 560px; justify-self: center; width: 100%; }
}

/* ---------- Подвал ---------- */
.site-footer {
  display: grid; gap: 12px; padding: 26px var(--gutter) 28px;
  background: #0b0907; border-top: 1px solid rgba(194, 154, 91, .15);
  color: var(--text-dim); font: 400 12px/1.6 var(--f-display); letter-spacing: .14em; text-transform: uppercase;
}
.site-footer p { margin: 0; }
.site-footer a { color: var(--text-dim); text-decoration: none; }
.site-footer a:hover { color: var(--brass-2); }
@media (min-width: 760px) {
  .site-footer { grid-template-columns: 1fr 1fr 1fr; align-items: center; }
  .site-footer__motto { text-align: center; }
  .site-footer p:last-child { text-align: right; }
}