/* SLAB — Brutalist-Futuristic. Mobile-first. Анимируются только transform и opacity. */
:root {
  --concrete: #e9e8e3;
  --concrete-2: #dcdbd5;
  --ink: #0b0b0b;
  --o: #ff3b00;
  --display: 'Unbounded', 'Arial Black', system-ui, sans-serif;
  --mono: 'Space Mono', ui-monospace, Menlo, monospace;
  --pad: clamp(14px, 3vw, 40px);
  --b: 2px solid var(--ink);
}

*, *::before, *::after { box-sizing: border-box; }
html { background: var(--concrete); color: var(--ink); -webkit-text-size-adjust: 100%; }
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }
body { margin: 0; font: 400 15px/1.55 var(--mono); background: var(--concrete); overflow-x: hidden; overflow-x: clip; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; }
::selection { background: var(--o); color: var(--ink); }
:focus-visible { outline: 3px solid var(--o); outline-offset: 2px; }
.o { color: var(--o); }
.skip { position: fixed; left: 8px; top: 8px; z-index: 400; padding: 10px 14px; background: var(--ink); color: var(--concrete); transform: translateY(-200%); }
.skip:focus { transform: none; }

/* ---------- Курсор: чёрный квадрат с инверсией ---------- */
.cursor { display: none; }
@media (hover: hover) and (pointer: fine) {
  .motion body, .motion a, .motion button { cursor: none; }
  .motion .cursor {
    display: block; position: fixed; left: 0; top: 0; z-index: 300; pointer-events: none;
    width: 18px; height: 18px; margin: -9px 0 0 -9px; background: #fff; mix-blend-mode: difference;
  }
}

/* ---------- Вспышка «сигнал принят» ---------- */
.flash {
  position: fixed; inset: 0; z-index: 250; background: var(--o); color: var(--ink);
  display: flex; flex-direction: column; justify-content: center; padding: var(--pad);
  opacity: 0; pointer-events: none;
}
.flash p { margin: 0; font: 900 clamp(2.6rem, 12.5vw, 13rem)/.86 var(--display); text-transform: uppercase; letter-spacing: -.04em; }
.flash small { margin-top: 18px; font: 700 13px/1.4 var(--mono); text-transform: uppercase; }

/* ---------- Шапка ---------- */
.top {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100; height: 54px;
  display: flex; align-items: center; gap: 18px; padding: 0 var(--pad);
  background: var(--concrete); border-bottom: var(--b);
  font: 700 11px/1 var(--mono); text-transform: uppercase; letter-spacing: .04em;
}
.top__logo { font: 900 18px/1 var(--display); letter-spacing: -.02em; margin-right: auto; }
.blink { color: var(--o); }
.motion .blink { animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.top__tag, .top__time { display: none; margin: 0; }
.top__nav { display: flex; gap: 2px; }
.top__nav a { padding: 7px 9px; border: var(--b); }
.top__nav a:hover { background: var(--ink); color: var(--concrete); }
.top__time b { color: var(--o); }
@media (min-width: 900px) {
  .top__logo { margin-right: 0; }
  .top__tag { display: block; margin-right: auto; padding-left: 18px; border-left: var(--b); height: 54px; line-height: 54px; }
  .top__time { display: block; }
}

/* ---------- Типографика: «цензурная» плашка проявляет строку ---------- */
.hl { position: relative; display: block; width: fit-content; }
.hl__t { display: block; }
.hl__bar { position: absolute; inset: 0 -.04em; background: var(--ink); transform: scaleX(0); transform-origin: left; }
.hl--o .hl__bar { background: var(--o); }
.motion .hl__t { opacity: 0; }

.sec { border-top: var(--b); padding: clamp(28px, 5vw, 64px) var(--pad) clamp(60px, 9vw, 120px); }
.sec__label { display: flex; align-items: center; gap: 12px; margin: 0 0 clamp(30px, 5vw, 60px); font: 700 12px/1 var(--mono); text-transform: uppercase; }
.sec__label span { background: var(--ink); color: var(--concrete); padding: 6px 8px; }

/* ---------- Hero ---------- */
.hero { position: relative; padding: 76px var(--pad) 34px; min-height: 100vh; min-height: 100svh; display: flex; flex-direction: column; justify-content: space-between; gap: 30px; }
.hero__title { margin: 0; font: 900 clamp(2.6rem, 12.6vw, 15.5rem)/.84 var(--display); text-transform: uppercase; letter-spacing: -.055em; }
.hero__title .hl { margin-bottom: .04em; }
.hero__title .hl--o .hl__t { color: var(--o); }
.hero__side { display: grid; grid-template-columns: 110px 1fr; gap: 18px 22px; align-items: center; }
.seal { width: 110px; height: 110px; font: 700 15.5px var(--mono); letter-spacing: .08em; fill: var(--ink); }
.motion .seal { animation: spin 16s linear infinite; }
.seal:hover { animation-duration: 3s; }
@keyframes spin { to { transform: rotate(360deg); } }
.hero__stats { margin: 0; display: grid; gap: 0; border: var(--b); }
.hero__stats > div { display: flex; justify-content: space-between; gap: 10px; padding: 7px 10px; font-size: 11px; text-transform: uppercase; }
.hero__stats > div + div { border-top: var(--b); }
.hero__stats dt { font-weight: 400; }
.hero__stats dd { margin: 0; font-weight: 700; }
.hero__note { grid-column: 1 / -1; margin: 0; max-width: 46ch; font-size: 13px; }
@media (min-width: 900px) {
  .hero { padding-top: 96px; }
  .hero__side { grid-template-columns: 130px minmax(260px, 340px) 1fr; align-items: end; }
  .hero__note { grid-column: auto; justify-self: end; text-align: right; }
  .seal { width: 130px; height: 130px; }
}

/* ---------- Ленты-ограждения ---------- */
.tapes { position: relative; overflow: hidden; padding: 30px 0 40px; margin-top: -12px; }
.tape { width: 112%; margin-left: -6%; border-block: var(--b); overflow: hidden; }
.tape--o { background: var(--o); transform: rotate(-2.2deg); }
.tape--k { background: var(--ink); color: var(--concrete); transform: rotate(1.6deg); margin-top: -10px; }
.tape__track { display: flex; width: max-content; }
.tape__track span { display: block; padding: 14px 0; font: 900 clamp(1.2rem, 3.6vw, 2.8rem)/1 var(--display); text-transform: uppercase; letter-spacing: -.02em; white-space: nowrap; }
.tape--k .tape__track span { font: 700 clamp(.9rem, 1.8vw, 1.3rem)/1 var(--mono); padding: 12px 0; }

/* ---------- 001 Манифест ---------- */
.theses { list-style: none; margin: 0; padding: 0; counter-reset: t; }
.thesis { display: grid; grid-template-columns: 44px 1fr; gap: 10px; padding: 22px 0; border-top: var(--b); }
.thesis:last-child { border-bottom: var(--b); }
.thesis__n { font: 700 12px/1 var(--mono); padding-top: .6em; }
.thesis p { margin: 0; font: 700 clamp(1.7rem, 5.8vw, 5.4rem)/1.02 var(--display); letter-spacing: -.035em; }
.thesis mark { position: relative; background: none; color: inherit; white-space: nowrap; }
.thesis mark::before { content: ''; position: absolute; inset: .06em -.08em -.02em; z-index: -1; background: var(--o); transform-origin: left; }
.motion .thesis mark::before { transform: scaleX(0); transition: transform .5s steps(5); }
.motion .thesis.is-in mark::before { transform: scaleX(1); }
.thesis .w { display: inline-block; }
.motion .thesis .w { opacity: 0; transform: translateY(.5em); }
@media (min-width: 900px) { .thesis { grid-template-columns: 120px 1fr; padding: 30px 0; } }

/* ---------- 002 Индекс экспериментов ---------- */
.exps { list-style: none; margin: 0; padding: 0; border-bottom: var(--b); }
.exp { position: relative; display: grid; grid-template-columns: 84px 1fr auto; gap: 4px 12px; align-items: baseline; padding: 16px 0; border-top: var(--b); isolation: isolate; }
.exp::before { content: ''; position: absolute; inset: 0 calc(-1 * var(--pad)); z-index: -1; background: var(--ink); transform: scaleY(0); transform-origin: bottom; transition: transform .3s steps(3); }
.exp__id { font-size: 12px; font-weight: 700; }
.exp__name { font: 700 clamp(1.3rem, 4.6vw, 3.6rem)/1 var(--display); text-transform: uppercase; letter-spacing: -.04em; }
.exp__what { grid-column: 2; font-size: 12.5px; }
.exp__st { grid-row: 1; grid-column: 3; font-size: 11px; font-weight: 700; text-transform: uppercase; border: var(--b); padding: 4px 7px; }
.exp__st--live { background: var(--o); }
.motion .exp > span { opacity: 0; transform: translateX(-16px); }
@media (min-width: 900px) {
  .exp { grid-template-columns: 120px 1.3fr 1fr 110px; padding: 22px 0; }
  .exp__what { grid-column: 3; }
  .exp__st { grid-column: 4; justify-self: end; }
}
@media (hover: hover) {
  .exp:hover { color: var(--concrete); }
  .exp:hover::before { transform: scaleY(1); }
  .exp:hover .exp__st { border-color: var(--concrete); }
}
.win { display: none; }
@media (hover: hover) and (pointer: fine) {
  .motion .win {
    display: block; position: fixed; left: 0; top: 0; z-index: 90; width: 300px; pointer-events: none;
    border: var(--b); background: var(--concrete); box-shadow: 10px 10px 0 var(--ink); opacity: 0;
  }
}
.win__bar { display: flex; justify-content: space-between; align-items: center; padding: 6px 10px; background: var(--ink); color: var(--concrete); font: 700 11px/1 var(--mono); }
.win__bar i { width: 9px; height: 9px; background: var(--o); }
.win__body { position: relative; height: 200px; overflow: hidden; }
.scene { position: absolute; inset: 0; display: grid; place-items: center; opacity: 0; }
.scene.is-on { opacity: 1; }
/* Мини-сцены экспериментов — только transform */
.s-gravity { display: flex; flex-direction: column; justify-content: center; gap: 8px; padding: 0 40px; }
.s-gravity span { display: block; height: 22px; background: var(--ink); animation: drop 2.4s cubic-bezier(.3, 1.6, .5, 1) infinite; }
.s-gravity span:nth-child(2) { width: 80%; animation-delay: .1s; } .s-gravity span:nth-child(3) { width: 60%; animation-delay: .2s; background: var(--o); } .s-gravity span:nth-child(4) { width: 70%; animation-delay: .3s; }
@keyframes drop { 0% { transform: translateY(-220px); } 40%, 85% { transform: none; } 100% { transform: translateY(240px); } }
.s-type b { font: 900 110px/1 var(--display); animation: squash 1.6s steps(4) infinite alternate; }
@keyframes squash { from { transform: scale(1.3, .7); } to { transform: scale(.8, 1.25); } }
.s-grid { grid-template-columns: repeat(3, 34px); gap: 8px; align-content: center; justify-content: center; }
.s-grid span { width: 34px; height: 34px; background: var(--ink); animation: pump 1.2s ease-in-out infinite alternate; }
.s-grid span:nth-child(3n+2) { animation-delay: .2s; } .s-grid span:nth-child(3n) { animation-delay: .4s; } .s-grid span:nth-child(5) { background: var(--o); }
@keyframes pump { from { transform: scale(.3) rotate(0); } to { transform: scale(1) rotate(90deg); } }
.s-loud button { font: 900 26px/1 var(--display); padding: 16px 22px; background: var(--o); border: var(--b); box-shadow: 6px 6px 0 var(--ink); animation: shout .5s steps(2) infinite; }
@keyframes shout { 0% { transform: translate(-3px, 2px) rotate(-2deg); } 50% { transform: translate(3px, -2px) rotate(2deg) scale(1.06); } 100% { transform: translate(-1px, 0); } }
.s-orbit { animation: spin 3s linear infinite; }
.s-orbit span { position: absolute; width: 22px; height: 22px; background: var(--ink); }
.s-orbit span:nth-child(1) { transform: translate(-60px, 0); } .s-orbit span:nth-child(2) { transform: translate(40px, 44px); background: var(--o); } .s-orbit span:nth-child(3) { transform: translate(30px, -54px); }
.s-stack span { position: absolute; width: 150px; height: 86px; border: var(--b); background: var(--concrete); animation: pile 3.2s steps(8) infinite; }
.s-stack span:nth-child(2) { animation-delay: .4s; } .s-stack span:nth-child(3) { animation-delay: .8s; background: var(--o); } .s-stack span:nth-child(4) { animation-delay: 1.2s; }
@keyframes pile { 0% { transform: translateY(-200px) rotate(-12deg); } 30%, 80% { transform: translateY(0) rotate(4deg); } 100% { transform: translateY(220px) rotate(14deg); } }

/* ---------- 003 Площадка: сетка ---------- */
.play__head { display: grid; gap: 14px; margin-bottom: 28px; }
.play__title { margin: 0; font: 900 clamp(2rem, 7.6vw, 7rem)/.9 var(--display); text-transform: uppercase; letter-spacing: -.05em; }
.play__title .hl { display: inline-block; }
.play__title .hl--o .hl__t { color: var(--o); }
.play__hint { margin: 0; font-size: 13px; max-width: 40ch; }
.field { display: grid; grid-template-columns: repeat(9, 1fr); gap: clamp(6px, 1vw, 12px); padding: clamp(12px, 2vw, 24px); border: var(--b); touch-action: pan-y; }
.sq { aspect-ratio: 1; background: var(--ink); transform-origin: center; transition: transform .6s cubic-bezier(.2, 1.6, .4, 1); }
.sq--o { background: var(--o); }
.field.is-live .sq { transition: none; }
@media (min-width: 900px) {
  .play__head { grid-template-columns: 1fr auto; align-items: end; }
  .field { grid-template-columns: repeat(16, 1fr); }
}

/* ---------- 004 Цифры ---------- */
.nums { display: grid; border: var(--b); }
.num { padding: 20px var(--pad) 18px; display: flex; flex-direction: column; gap: 10px; }
.num + .num { border-top: var(--b); }
.num .roller { font: 900 clamp(4rem, 22vw, 13rem)/.9 var(--display); letter-spacing: -.05em; }
.num__l { font-size: 12px; font-weight: 700; text-transform: uppercase; }
.num--o { background: var(--o); }
@media (min-width: 900px) { .nums { grid-template-columns: repeat(3, 1fr); } .num + .num { border-top: 0; border-left: var(--b); } .num .roller { font-size: clamp(3.4rem, 8.4vw, 10rem); } }
.roller { display: inline-flex; line-height: 1; }
.roller__col { display: inline-block; height: .9em; overflow: hidden; }
.roller__strip { display: flex; flex-direction: column; transition: transform .7s steps(7); }
.roller__strip > span { display: block; height: .9em; line-height: .9; }

/* ---------- 005 Сигнал ---------- */
.signal { display: flex; flex-direction: column; align-items: flex-start; }
.send { display: block; padding: 0; margin: 0 0 30px; border: 0; background: none; text-align: left; cursor: pointer; }
.send__row { display: block; overflow: hidden; height: .9em; font: 900 clamp(3rem, 15vw, 15rem)/.9 var(--display); text-transform: uppercase; letter-spacing: -.055em; }
.send__in { display: block; transition: transform .45s steps(4); }
.send__in > span { display: block; height: .9em; }
.send__in > span + span { color: var(--o); }
.send:hover .send__in, .send:focus-visible .send__in { transform: translateY(-50%); }
.send__row:nth-child(2) .send__in { transition-delay: .06s; }
.signal__note { margin: 0; font-size: 13px; max-width: 46ch; }

/* ---------- Подвал ---------- */
.foot { background: var(--ink); color: var(--concrete); padding: 26px var(--pad) 22px; overflow: hidden; }
.foot__mark { margin: 0; font: 900 clamp(3.6rem, 25vw, 26rem)/.8 var(--display); letter-spacing: -.07em; color: transparent; -webkit-text-stroke: 2px var(--concrete); white-space: nowrap; }
.foot__row { display: grid; gap: 6px; margin-top: 24px; font: 700 11px/1.4 var(--mono); text-transform: uppercase; }
.foot__row p { margin: 0; }
.foot__row a { border-bottom: 2px solid var(--o); }
@media (min-width: 900px) { .foot__row { grid-template-columns: 1fr 1fr 1fr; } .foot__row p:last-child { text-align: right; } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: .01ms !important; animation: none !important; }
}