/* geras.world — необрутализм в античной палитре.
   Цвета — из токенов приложения: уголь, слоновая кость, терракота, бронза; плюс патина.
   Приёмы: обводка 2px, жёсткая смещённая тень, плоские заливки, радиусы 0/4/8/12,
   дымка радиальными градиентами, зерно noise.svg, reveal при скролле (site.js). */
@font-face {
  font-family: "Unbounded";
  src: url("/fonts/unbounded-cyrillic.woff2") format("woff2");
  font-weight: 200 900;
  font-display: swap;
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
@font-face {
  font-family: "Unbounded";
  src: url("/fonts/unbounded-latin.woff2") format("woff2");
  font-weight: 200 900;
  font-display: swap;
  unicode-range:
    U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC,
    U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212,
    U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Golos Text";
  src: url("/fonts/golos-cyrillic.woff2") format("woff2");
  font-weight: 400 900;
  font-display: swap;
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
@font-face {
  font-family: "Golos Text";
  src: url("/fonts/golos-latin.woff2") format("woff2");
  font-weight: 400 900;
  font-display: swap;
  unicode-range:
    U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC,
    U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212,
    U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "JetBrains Mono";
  src: url("/fonts/jetbrains-cyrillic.woff2") format("woff2");
  font-weight: 100 800;
  font-display: swap;
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
@font-face {
  font-family: "JetBrains Mono";
  src: url("/fonts/jetbrains-latin.woff2") format("woff2");
  font-weight: 100 800;
  font-display: swap;
  unicode-range:
    U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC,
    U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212,
    U+2215, U+FEFF, U+FFFD;
}

:root {
  --ink: #171411;
  --ink-2: #221e1a;
  --ink-line: #3a332c;
  --paper: #efe9df;
  --paper-2: #e5dbcc;
  --paper-3: #d7c9b3;
  --terra: #e2703a;
  --terra-deep: #c25a2a;
  --bronze: #c89a6e;
  --patina: #6f8f7c;
  --muted: #6b5f53;
  --muted-on-ink: #a79c8f;
  --display: "Unbounded", "Arial Black", Impact, sans-serif;
  --text: "Golos Text", "Helvetica Neue", Arial, sans-serif;
  --mono: "JetBrains Mono", "SF Mono", Menlo, Consolas, monospace;
  --shadow: 6px 6px 0 var(--ink);
  --shadow-sm: 4px 4px 0 var(--ink);
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--text);
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}
/* зерно: один фиксированный слой, без блендинга — дешевле для мобильных */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 60;
  pointer-events: none;
  background: url("/noise.svg") repeat;
  background-size: 240px 240px;
  opacity: 0.11;
}
a {
  color: inherit;
  text-decoration: none;
}
button {
  font: inherit;
  color: inherit;
}
button,
a,
summary {
  -webkit-tap-highlight-color: transparent;
}
:focus-visible {
  outline: 3px solid var(--terra);
  outline-offset: 3px;
}
[hidden] {
  display: none !important;
}
.wrap {
  width: min(1360px, 100% - 48px);
  margin-inline: auto;
  position: relative;
}
.skip {
  position: absolute;
  top: -100px;
  left: 16px;
  z-index: 70;
  background: var(--ink);
  color: var(--paper);
  padding: 12px 16px;
  border: 2px solid var(--paper);
}
.skip:focus {
  top: 12px;
}
.progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  z-index: 40;
  background: var(--terra);
  transform-origin: 0 0;
  transform: scaleX(0);
  pointer-events: none;
}

/* ---------- дымка ---------- */
.haze {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}
.haze::before,
.haze::after {
  content: "";
  position: absolute;
  inset: -20%;
  background:
    radial-gradient(
      42% 38% at 18% 22%,
      rgba(226, 112, 58, 0.34),
      transparent 70%
    ),
    radial-gradient(
      36% 34% at 82% 14%,
      rgba(200, 154, 110, 0.32),
      transparent 70%
    );
  animation: drift 24s var(--ease) infinite alternate;
}
.haze::after {
  background:
    radial-gradient(
      30% 30% at 70% 80%,
      rgba(111, 143, 124, 0.22),
      transparent 70%
    ),
    radial-gradient(
      26% 26% at 30% 90%,
      rgba(226, 112, 58, 0.16),
      transparent 70%
    );
  animation-duration: 31s;
  animation-direction: alternate-reverse;
}
.dark .haze::before {
  background:
    radial-gradient(
      40% 36% at 14% 18%,
      rgba(226, 112, 58, 0.2),
      transparent 70%
    ),
    radial-gradient(
      34% 30% at 86% 24%,
      rgba(200, 154, 110, 0.14),
      transparent 70%
    );
}
.dark .haze::after {
  background:
    radial-gradient(
      30% 30% at 62% 86%,
      rgba(111, 143, 124, 0.14),
      transparent 70%
    ),
    radial-gradient(
      22% 22% at 28% 78%,
      rgba(226, 112, 58, 0.1),
      transparent 70%
    );
}
@keyframes drift {
  from {
    transform: translate3d(-2%, -1.5%, 0);
  }
  to {
    transform: translate3d(2.5%, 2%, 0);
  }
}
.haze ~ * {
  position: relative;
  z-index: 1;
}

/* ---------- дентикулы (карниз) ---------- */
.dentil {
  height: 10px;
  background: repeating-linear-gradient(
    90deg,
    var(--ink) 0 14px,
    transparent 14px 26px
  );
  border-top: 2px solid var(--ink);
}
.dentil.on-ink {
  background: repeating-linear-gradient(
    90deg,
    var(--paper) 0 14px,
    transparent 14px 26px
  );
  border-top-color: var(--paper);
}

/* ---------- типографика ---------- */
h1,
h2,
h3,
h4 {
  font-family: var(--display);
  margin: 0;
}
h1 {
  font-weight: 900;
  font-size: clamp(44px, 8vw, 120px);
  line-height: 0.96;
  letter-spacing: -0.02em;
  text-wrap: balance;
}
h2 {
  font-weight: 800;
  font-size: clamp(30px, 4.2vw, 60px);
  line-height: 1.02;
  letter-spacing: -0.015em;
  text-wrap: balance;
}
h3 {
  font-weight: 700;
  font-size: 20px;
  line-height: 1.2;
}
.hl {
  /* Unbounded: ascent 0.995 + descent 0.245 = 1.24em, а межстрочный 0.96 —
     сплошной фон инлайна залезал на соседние строки. Красим полосу 0.94em
     от верха капители до половины выносных. */
  color: var(--ink);
  padding: 0 0.12em;
  background-image: linear-gradient(var(--terra), var(--terra));
  background-repeat: no-repeat;
  background-size: 100% 0.94em;
  background-position: 0 0.22em;
  -webkit-box-decoration-break: clone;
  box-decoration-break: clone;
}
.label {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  display: flex;
  gap: 12px;
  align-items: center;
  margin: 0 0 24px;
}
.dot {
  width: 12px;
  height: 12px;
  background: var(--terra);
  border: 2px solid var(--ink);
  flex: none;
}
.lead {
  font-size: 18px;
  line-height: 1.55;
  margin: 0;
  max-width: 560px;
}
.muted {
  color: var(--muted);
}
.fine {
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.65;
  margin: 0;
}
.note {
  margin: 40px 0 0;
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted);
  max-width: 760px;
  padding-left: 20px;
  border-left: 4px solid var(--bronze);
}
.text-link {
  font-weight: 600;
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 5px;
  text-decoration-color: var(--terra);
}
.text-link:hover {
  text-decoration-color: var(--ink);
}

/* ---------- кнопки ---------- */
.button {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: 2px;
  min-height: 56px;
  padding: 14px 28px;
  background: var(--terra);
  color: var(--ink);
  border: 2px solid var(--ink);
  border-radius: 8px;
  box-shadow: var(--shadow-sm);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.25;
  cursor: pointer;
  transition:
    transform 0.15s ease,
    box-shadow 0.15s ease,
    background 0.15s ease,
    color 0.15s ease;
}
.button:hover {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 var(--ink);
  background: var(--terra-deep);
  color: var(--paper);
}
.button:active {
  transform: translate(4px, 4px);
  box-shadow: 0 0 0 var(--ink);
}
.button small {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  opacity: 0.85;
}
.button.ghost {
  background: var(--paper);
  color: var(--ink);
}
.button.ghost:hover {
  background: var(--ink);
  color: var(--paper);
}
.button.small {
  min-height: 44px;
  padding: 8px 20px;
  font-size: 15px;
  border-radius: 4px;
  box-shadow: 3px 3px 0 var(--ink);
}
.button.small:hover {
  box-shadow: 1px 1px 0 var(--ink);
}
.dark .button {
  border-color: var(--paper);
  box-shadow: 4px 4px 0 var(--bronze);
}
.dark .button:hover {
  box-shadow: 2px 2px 0 var(--bronze);
}
.dark .button:active {
  box-shadow: 0 0 0 var(--bronze);
}
.dark .button.ghost {
  background: transparent;
  color: var(--paper);
}
.dark .button.ghost:hover {
  background: var(--paper);
  color: var(--ink);
}

/* ---------- шапка ---------- */
.header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(239, 233, 223, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 2px solid var(--ink);
}
.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}
.wordmark {
  font-family: var(--display);
  font-weight: 900;
  font-size: 26px;
  letter-spacing: 0.06em;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.wordmark::before {
  content: "";
  width: 14px;
  height: 14px;
  background: var(--terra);
  border: 2px solid var(--ink);
  border-radius: 50%;
}
.nav {
  display: flex;
  gap: 32px;
  align-items: center;
  font-weight: 500;
  font-size: 16px;
}
.nav a:not(.button):hover {
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 6px;
  text-decoration-color: var(--terra);
}
.mobile-nav {
  display: none;
}

/* ---------- герой ---------- */
.hero {
  position: relative;
  padding: 96px 0 72px;
  overflow: hidden;
}
.hero h1 {
  margin: 0 0 56px;
  max-width: 14ch;
}
.hero-bottom {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 48px;
  align-items: end;
  border-top: 2px solid var(--ink);
  padding-top: 32px;
}
.intro {
  font-size: clamp(18px, 1.5vw, 22px);
  line-height: 1.5;
  max-width: 620px;
  margin: 0;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: flex-end;
  align-items: center;
}
.meta {
  font-family: var(--mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin: 40px 0 0;
}
/* печать-медальон */
.seal {
  position: absolute;
  right: 0;
  top: 96px;
  width: 168px;
  height: 168px;
  border-radius: 50%;
  background: var(--paper);
  border: 2px solid var(--ink);
  box-shadow: var(--shadow);
  display: grid;
  place-items: center;
}
.seal svg {
  width: 100%;
  height: 100%;
  animation: spin 40s linear infinite;
}
.seal text {
  font-family: var(--mono);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  fill: var(--ink);
}
.seal .gamma {
  fill: var(--terra);
  stroke: var(--ink);
  stroke-width: 2;
}
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* ---------- фриз (бегущая строка) ---------- */
.marquee {
  background: var(--ink);
  color: var(--paper);
  overflow: hidden;
  padding: 18px 0;
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(18px, 2.2vw, 28px);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  line-height: 1;
  border-top: 2px solid var(--ink);
}
.marquee-track {
  display: flex;
  gap: 40px;
  width: max-content;
  animation: marquee 38s linear infinite;
}
.marquee-track span {
  display: flex;
  align-items: center;
  gap: 40px;
  white-space: nowrap;
}
.marquee-track span::after {
  content: "";
  width: 14px;
  height: 14px;
  background: var(--terra);
  border-radius: 50%;
  flex: none;
}
@keyframes marquee {
  to {
    transform: translateX(-50%);
  }
}

/* ---------- секции ---------- */
.section {
  position: relative;
  padding: 104px 0;
}
.dark {
  background: var(--ink);
  color: var(--paper);
}
.dark .label {
  color: var(--paper);
}
.dark .dot {
  border-color: var(--paper);
}
.dark .muted {
  color: var(--muted-on-ink);
}
.dark .note {
  color: var(--muted-on-ink);
}
.dark :focus-visible {
  outline-color: var(--bronze);
}
.section-head {
  max-width: 900px;
  margin-bottom: 56px;
}
.section-head h2 {
  margin-bottom: 24px;
}
.section-head > p:last-child {
  font-size: 18px;
  line-height: 1.55;
  color: var(--muted);
  max-width: 640px;
  margin: 0;
}
.split {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: end;
  max-width: none;
}
.split h2 {
  margin: 0;
}

/* ---------- пример комнаты ---------- */
.section.dark#demo {
  margin-top: -12px;
  border-radius: 12px 12px 0 0;
  border-top: 2px solid var(--ink);
}
.demo-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 64px;
  align-items: start;
}
.demo-side h2 {
  margin-bottom: 24px;
}
.demo-side .lead {
  color: var(--muted-on-ink);
}
.demo-controls {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: var(--paper);
  border: 2px solid var(--paper);
  border-radius: 8px;
  overflow: hidden;
  margin-top: 32px;
  box-shadow: 4px 4px 0 var(--bronze);
}
.demo-controls button {
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: var(--ink);
  color: var(--paper);
  border: 0;
  padding: 16px 14px;
  text-align: left;
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  transition: background 0.15s ease;
}
.demo-controls button:hover {
  background: var(--ink-2);
}
.demo-controls button span {
  font-family: var(--mono);
  font-size: 12px;
  opacity: 0.75;
}
.demo-controls [aria-pressed="true"] {
  background: var(--terra);
  color: var(--ink);
}
.demo-controls [aria-pressed="true"] span {
  opacity: 1;
}
.demo-explanation {
  font-size: 16px;
  line-height: 1.55;
  min-height: 52px;
  margin: 20px 0 12px;
}
.transcript {
  border: 2px solid var(--paper);
  border-radius: 12px;
  overflow: hidden;
  background: var(--ink-2);
  box-shadow: 8px 8px 0 var(--terra);
}
.transcript-bar {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 20px;
  border-bottom: 2px solid var(--paper);
  background: var(--ink);
  font-family: var(--mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.line {
  padding: 20px;
  border-bottom: 2px solid var(--ink-line);
}
.who {
  display: block;
  font-family: var(--mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted-on-ink);
  margin-bottom: 8px;
}
.line p {
  margin: 0;
  font-size: 18px;
  line-height: 1.45;
}
.observation {
  background: var(--terra);
  color: var(--ink);
  padding: 24px 20px;
}
.observation .who,
.decision .who {
  color: var(--ink);
}
.observation h3 {
  font-size: 22px;
  line-height: 1.15;
  margin: 0 0 10px;
}
.observation p,
.decision p {
  margin: 0 0 12px;
  font-size: 17px;
  line-height: 1.45;
}
.observation small,
.decision small {
  display: block;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.5;
}
.observation .button {
  margin-top: 18px;
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
  box-shadow: 4px 4px 0 var(--paper);
}
.observation .button:hover {
  background: var(--paper);
  color: var(--ink);
  box-shadow: 2px 2px 0 var(--paper);
}
.decision {
  background: var(--paper);
  color: var(--ink);
  padding: 24px 20px;
  border-top: 6px solid var(--patina);
}
.decision small {
  color: var(--muted);
}
.placeholder {
  padding: 20px;
  margin: 0;
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted-on-ink);
}

/* ---------- шаги ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.steps article {
  background: var(--paper);
  border: 2px solid var(--ink);
  border-radius: 12px;
  box-shadow: var(--shadow);
  padding: 32px 28px 36px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease;
}
.steps article:hover {
  transform: translate(-2px, -2px);
  box-shadow: 8px 8px 0 var(--ink);
}
.steps article:nth-child(2) {
  background: var(--paper-2);
}
.steps article:nth-child(3) {
  background: var(--bronze);
}
.num {
  font-family: var(--display);
  font-weight: 900;
  font-size: clamp(48px, 6vw, 88px);
  line-height: 0.9;
  letter-spacing: -0.03em;
  color: var(--terra);
  -webkit-text-stroke: 2px var(--ink);
  paint-order: stroke fill;
}
.steps p {
  margin: 0;
  font-size: 16px;
  line-height: 1.6;
  color: var(--muted);
}
.steps article:nth-child(3) p {
  color: var(--ink);
}

/* ---------- внутри приложения ---------- */
.inside {
  background: var(--paper-2);
  border-top: 2px solid var(--ink);
}
.shots {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin: 56px 0;
}
.shot-slot {
  margin: 0;
  border: 2px solid var(--ink);
  border-radius: 12px;
  box-shadow: var(--shadow);
  aspect-ratio: 4 / 3;
  background-color: var(--paper);
  background-image: repeating-linear-gradient(
    -45deg,
    var(--paper-3) 0 2px,
    transparent 2px 14px
  );
  display: grid;
  place-items: center;
  padding: 24px;
}
.shot-wide {
  grid-column: 1 / -1;
  aspect-ratio: 2880 / 1840;
}
.slot-body {
  background: var(--paper);
  border: 2px solid var(--ink);
  border-radius: 8px;
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-width: min(480px, 100%);
  text-align: center;
}
.slot-tag {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--terra-deep);
}
.slot-name {
  font-weight: 600;
  font-size: 16px;
  line-height: 1.4;
}
.slot-size {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
}
.cases {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.cases article {
  background: var(--paper);
  border: 2px solid var(--ink);
  border-radius: 12px;
  box-shadow: var(--shadow);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.cases .label {
  margin: 0 0 8px;
  color: var(--terra-deep);
}
.cases p {
  margin: 0;
  font-size: 16px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- режимы ---------- */
.room-section-top {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 48px;
  align-items: end;
  margin-bottom: 56px;
}
.room-section-top > p {
  font-size: 17px;
  line-height: 1.55;
  color: var(--muted-on-ink);
  margin: 0;
  max-width: 420px;
}
.mode-layout {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 2px;
  border: 2px solid var(--paper);
  border-radius: 12px;
  overflow: hidden;
  background: var(--paper);
  box-shadow: 8px 8px 0 var(--bronze);
}
.mode-tabs {
  display: flex;
  flex-direction: column;
  background: var(--ink);
}
.mode-tabs button {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 16px;
  align-items: start;
  width: 100%;
  background: var(--ink);
  color: var(--paper);
  border: 0;
  border-bottom: 2px solid var(--paper);
  padding: 28px 24px;
  text-align: left;
  cursor: pointer;
  transition: background 0.15s ease;
}
.mode-tabs button:hover {
  background: var(--ink-2);
}
.mode-tabs button:last-child {
  border-bottom: 0;
  flex: 1;
}
.mode-tabs button > span {
  font-family: var(--mono);
  font-size: 12px;
  padding-top: 5px;
}
.mode-tabs b {
  display: block;
  font-family: var(--display);
  font-weight: 700;
  font-size: 20px;
  line-height: 1.2;
  margin-bottom: 6px;
}
.mode-tabs small {
  font-size: 14px;
  color: var(--muted-on-ink);
}
.mode-tabs [aria-selected="true"],
.mode-tabs [aria-selected="true"]:hover {
  background: var(--terra);
  color: var(--ink);
}
.mode-tabs [aria-selected="true"] small {
  color: var(--ink);
}
.mode-panel {
  background: var(--ink-2);
  padding: 40px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.panel-top {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  font-family: var(--mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.mode-badge {
  font-weight: 700;
  color: var(--bronze);
}
.flow {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.flow span {
  border: 2px solid var(--paper);
  border-radius: 4px;
  padding: 12px 16px;
  font-family: var(--mono);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.flow i {
  font-style: normal;
  font-family: var(--mono);
  font-size: 18px;
  color: var(--bronze);
}
.flow .flow-final {
  background: var(--terra);
  color: var(--ink);
  border-color: var(--terra);
}
.mode-panel h3 {
  font-size: clamp(24px, 2.4vw, 34px);
  line-height: 1.1;
}
.mode-panel > p {
  margin: 0;
  font-size: 17px;
  line-height: 1.55;
  color: var(--muted-on-ink);
  min-height: 80px;
}
.human-control {
  border-top: 2px solid var(--ink-line);
  padding-top: 20px;
}
.human-control p {
  margin: 0;
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.6;
}

/* ---------- принципы ---------- */
.principles {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}
.principle-list {
  border-top: 2px solid var(--ink);
}
.principle-list article {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 16px;
  padding: 28px 0;
  border-bottom: 2px solid var(--ink);
}
.principle-list article > span {
  font-family: var(--display);
  font-weight: 800;
  font-size: 22px;
  line-height: 1.1;
  color: var(--terra-deep);
}
.principle-list h3 {
  margin-bottom: 8px;
}
.principle-list p {
  margin: 0;
  font-size: 16px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- загрузка ---------- */
.download {
  position: relative;
  background: var(--terra);
  color: var(--ink);
  padding: 96px 0;
  border-top: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
  overflow: hidden;
}
.download .haze::before {
  background:
    radial-gradient(
      40% 40% at 80% 20%,
      rgba(239, 233, 223, 0.35),
      transparent 70%
    ),
    radial-gradient(30% 30% at 10% 90%, rgba(23, 20, 17, 0.18), transparent 70%);
}
.download .haze::after {
  background: none;
}
.download .dot {
  background: var(--paper);
}
.version {
  font-family: var(--display);
  font-weight: 900;
  font-size: min(22vw, 320px);
  line-height: 0.85;
  letter-spacing: -0.05em;
  margin: 0 0 40px;
  color: var(--paper);
  -webkit-text-stroke: 3px var(--ink);
  paint-order: stroke fill;
}
.download-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: start;
  border-top: 2px solid var(--ink);
  padding-top: 40px;
}
.download-grid h2 {
  margin-bottom: 24px;
}
.download-actions {
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: stretch;
}
.download .button {
  background: var(--ink);
  color: var(--paper);
}
.download .button:hover {
  background: var(--paper);
  color: var(--ink);
}
.download .button.ghost {
  background: var(--paper);
  color: var(--ink);
}
.download .button.ghost:hover {
  background: var(--ink);
  color: var(--paper);
}
.download-actions .text-link {
  margin-top: 8px;
  text-decoration-color: var(--ink);
}
.download-actions .fine {
  margin-top: 8px;
}

/* ---------- вопросы ---------- */
.faq {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 64px;
  align-items: start;
}
.faq-list {
  border-top: 2px solid var(--ink);
}
.faq details {
  border-bottom: 2px solid var(--ink);
}
.faq summary {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: center;
  list-style: none;
  padding: 24px 0;
  font-family: var(--display);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.25;
  cursor: pointer;
}
.faq summary::-webkit-details-marker {
  display: none;
}
.faq summary span {
  font-family: var(--mono);
  font-size: 26px;
  font-weight: 400;
  flex: none;
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border: 2px solid var(--ink);
  border-radius: 50%;
  line-height: 1;
  transition:
    transform 0.15s ease,
    background 0.15s ease;
}
.faq summary:hover span {
  background: var(--terra);
}
.faq details[open] summary span {
  transform: rotate(45deg);
  background: var(--ink);
  color: var(--paper);
}
.faq details p {
  margin: 0 0 24px;
  font-size: 16px;
  line-height: 1.6;
  color: var(--muted);
  max-width: 640px;
}

/* ---------- подвал ---------- */
.footer {
  position: relative;
  background: var(--ink);
  color: var(--paper);
  padding: 80px 0 32px;
  overflow: hidden;
}
.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 32px;
  border-bottom: 2px solid var(--paper);
  padding-bottom: 32px;
  margin-bottom: 40px;
}
.footer-wordmark {
  font-family: var(--display);
  font-weight: 900;
  font-size: clamp(56px, 11vw, 180px);
  line-height: 0.85;
  letter-spacing: 0.02em;
  color: var(--ink);
  -webkit-text-stroke: 2px var(--paper);
  paint-order: stroke fill;
}
.footer-tagline {
  max-width: 320px;
  margin: 0;
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted-on-ink);
}
.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}
.footer-grid h4 {
  font-family: var(--mono);
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin: 0 0 16px;
  color: var(--bronze);
}
.footer-grid a,
.footer-grid span {
  display: block;
  padding: 6px 0;
  font-size: 16px;
  line-height: 1.4;
}
.footer-grid span {
  color: var(--muted-on-ink);
}
.footer-grid a:hover {
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 5px;
  text-decoration-color: var(--terra);
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  border-top: 2px solid var(--paper);
  margin-top: 56px;
  padding-top: 24px;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--muted-on-ink);
}

/* ---------- внутренние страницы ---------- */
.doc-hero {
  position: relative;
  padding: 88px 0 56px;
  border-bottom: 2px solid var(--ink);
  overflow: hidden;
}
.doc-hero h1 {
  font-size: clamp(40px, 6.6vw, 96px);
  margin: 0 0 32px;
}
.doc-hero .intro {
  max-width: 720px;
}
.guide-layout {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 64px;
  align-items: start;
}
.guide-aside {
  border: 2px solid var(--ink);
  border-radius: 12px;
  box-shadow: var(--shadow);
  background: var(--paper-2);
  padding: 28px;
  position: sticky;
  top: 104px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.guide-aside .label {
  margin-bottom: 8px;
}
.guide-aside p {
  margin: 0;
  font-size: 15px;
  line-height: 1.55;
  color: var(--muted);
}
.guide-aside .button {
  margin-top: 12px;
  align-self: flex-start;
}
.guide-steps {
  border-top: 2px solid var(--ink);
}
.guide-steps article {
  display: grid;
  grid-template-columns: clamp(112px, 11.5vw, 168px) 1fr;
  gap: 24px;
  padding: 40px 0;
  border-bottom: 2px solid var(--ink);
}
.guide-steps h2 {
  font-size: clamp(24px, 2.6vw, 36px);
  margin: 0 0 12px;
}
.guide-steps p {
  margin: 0;
  font-size: 17px;
  line-height: 1.55;
}
.guide-list {
  margin: 16px 0 0;
  padding-left: 24px;
}
.guide-list li {
  font-size: 16px;
  line-height: 1.55;
  margin-bottom: 8px;
}
.guide-list li::marker {
  font-family: var(--mono);
  font-weight: 700;
  color: var(--terra-deep);
}
.notes-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.note-card {
  padding: 40px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  border: 2px solid var(--ink);
  border-radius: 12px;
  box-shadow: var(--shadow);
}
.note-card.dark {
  background: var(--ink);
  color: var(--paper);
  box-shadow: 6px 6px 0 var(--terra);
}
.note-card.accent {
  background: var(--terra);
  color: var(--ink);
}
.note-card.accent .dot {
  background: var(--paper);
}
.note-card h2 {
  font-size: clamp(26px, 3vw, 40px);
}
.note-card p {
  margin: 0;
  font-size: 16px;
  line-height: 1.6;
}
.note-card .button {
  align-self: flex-start;
  margin-top: 8px;
}
.releases {
  border-top: 2px solid var(--ink);
}
.release {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 32px;
  padding: 40px 0;
  border-bottom: 2px solid var(--ink);
}
.release-meta {
  font-family: var(--mono);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: flex-start;
}
.release-meta span {
  font-weight: 700;
  background: var(--terra);
  border: 2px solid var(--ink);
  border-radius: 4px;
  padding: 4px 10px;
}
.release h2 {
  font-size: clamp(26px, 3vw, 40px);
  margin: 0 0 16px;
}
.release p {
  margin: 0;
  font-size: 17px;
  line-height: 1.55;
  max-width: 720px;
}
.release ul {
  margin: 0 0 16px;
  padding-left: 22px;
  max-width: 720px;
}
.release li {
  font-size: 17px;
  line-height: 1.55;
  margin-bottom: 6px;
}
.release li::marker {
  color: var(--terra-deep);
}
.release-caveat {
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
  border-left: 4px solid var(--bronze);
  padding-left: 16px;
  margin-top: 16px;
}

/* ---------- reveal при скролле (включается site.js классом .js) ---------- */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 0.65s var(--ease),
    transform 0.65s var(--ease);
}
.js [data-reveal="left"] {
  transform: translateX(-36px);
}
.js [data-reveal="right"] {
  transform: translateX(36px);
}
.js [data-reveal="tilt"] {
  transform: translateY(32px) rotate(-1.4deg);
}
.js [data-reveal="scale"] {
  transform: scale(0.94);
}
.js [data-reveal].is-in {
  opacity: 1;
  transform: none;
}

/* ---------- адаптив ---------- */
@media (max-width: 1100px) {
  .hero-bottom,
  .demo-grid,
  .split,
  .room-section-top,
  .mode-layout,
  .principles,
  .download-grid,
  .faq,
  .notes-grid {
    grid-template-columns: 1fr;
  }
  .hero-bottom,
  .demo-grid,
  .split {
    gap: 32px;
  }
  .hero-actions {
    justify-content: flex-start;
  }
  .seal {
    width: 132px;
    height: 132px;
    top: 24px;
  }
  .mode-tabs button:last-child {
    border-bottom: 2px solid var(--paper);
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .guide-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .guide-aside {
    position: static;
  }
}
@media (max-width: 860px) {
  .nav {
    display: none;
  }
  .mobile-nav {
    display: block;
  }
  .mobile-nav summary {
    list-style: none;
    cursor: pointer;
    border: 2px solid var(--ink);
    border-radius: 4px;
    box-shadow: 3px 3px 0 var(--ink);
    background: var(--paper);
    padding: 10px 16px;
    font-family: var(--mono);
    font-weight: 600;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
  }
  .mobile-nav summary::-webkit-details-marker {
    display: none;
  }
  .mobile-nav > div {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    background: var(--ink);
    color: var(--paper);
    display: flex;
    flex-direction: column;
    border-bottom: 2px solid var(--ink);
  }
  .mobile-nav a {
    padding: 18px 24px;
    font-family: var(--display);
    font-weight: 700;
    font-size: 20px;
    border-bottom: 2px solid var(--ink-line);
  }
  .mobile-nav a:last-child {
    border-bottom: 0;
    background: var(--terra);
    color: var(--ink);
  }
  .steps,
  .cases,
  .shots {
    grid-template-columns: 1fr;
  }
  .shot-wide {
    grid-column: auto;
  }
  .section {
    padding: 64px 0;
  }
  .hero {
    padding: 56px 0 48px;
  }
  .hero h1 {
    margin-bottom: 40px;
  }
  .seal {
    display: none;
  }
  .release {
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 32px 0;
  }
  .guide-steps article {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .mode-panel {
    padding: 24px;
  }
  .note-card {
    padding: 28px 24px;
  }
  .footer-top {
    flex-direction: column;
    align-items: flex-start;
  }
  body::after {
    opacity: 0.08;
  }
}
@media (max-width: 560px) {
  .wrap {
    width: calc(100% - 32px);
  }
  .header-row {
    height: 68px;
  }
  .wordmark {
    font-size: 22px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .footer {
    padding-top: 56px;
  }
  .demo-controls {
    grid-template-columns: 1fr;
  }
  .demo-controls button {
    flex-direction: row;
    align-items: center;
    gap: 12px;
  }
  .shot-slot {
    padding: 16px;
  }
  .slot-body {
    padding: 16px;
  }
  .hero-actions .button,
  .download-actions .button {
    width: 100%;
  }
  .steps article,
  .cases article,
  .note-card,
  .shot-slot,
  .guide-aside {
    box-shadow: var(--shadow-sm);
  }
  .transcript,
  .mode-layout {
    box-shadow: 5px 5px 0 var(--terra);
  }
  .mode-layout {
    box-shadow: 5px 5px 0 var(--bronze);
  }
}
@media (max-width: 400px) {
  h1,
  .doc-hero h1 {
    font-size: clamp(34px, 11.5vw, 46px);
  }
  h2 {
    font-size: clamp(26px, 8.6vw, 30px);
  }
  .version {
    font-size: 19vw;
  }
  .num {
    font-size: 44px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .marquee-track,
  .haze::before,
  .haze::after,
  .seal svg {
    animation: none;
  }
  .js [data-reveal] {
    opacity: 1;
    transform: none;
  }
  *,
  *::before,
  *::after {
    transition: none !important;
  }
}

/* Fresco framing: painted fields, a fine inner rule and a grounded plinth. */
.shot-slot { position: relative; background-image: linear-gradient(0deg, var(--terra-deep) 0 12%, transparent 12%), radial-gradient(ellipse at 50% 38%, var(--paper) 0, var(--paper-3) 85%); border-radius: 4px; }
.shot-slot::before { content: ""; position: absolute; inset: 12px; border: 1px solid var(--bronze); pointer-events: none; }
.shot-slot:nth-child(2) { background-color: var(--ink-2); background-image: linear-gradient(0deg, var(--terra-deep) 0 12%, transparent 12%); }
.shot-slot:nth-child(3) { background-color: var(--patina); background-image: linear-gradient(0deg, var(--ink-2) 0 12%, transparent 12%); }
.slot-body { position: relative; }
.seal svg { animation: none; }
.seal text { transform-origin: 84px 84px; animation: seal-orbit 60s linear infinite; }
@keyframes seal-orbit { to { transform: rotate(360deg); } }
#demo-placeholder:not([hidden]), #demo-observation:not([hidden]), #demo-decision:not([hidden]) { animation: decision-arrive .32s ease-out both; }
@keyframes decision-arrive { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
.download-heading { display: flex; justify-content: space-between; align-items: start; gap: 24px; margin-bottom: 24px; }
.download-heading h2 { max-width: 720px; margin: 0; }
.release-stamp { flex-shrink: 0; padding: 12px 16px; border: 1px solid var(--ink); font-family: var(--mono); font-size: 12px; }
.download > .wrap > .lead { max-width: 650px; }
.platform-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 24px; margin-top: 40px; }
.platform-card { position: relative; display: flex; flex-direction: column; padding: 36px; background: var(--paper); border: 2px solid var(--ink); box-shadow: var(--shadow); }
.platform-card::before { content: ""; position: absolute; inset: 8px; border: 1px solid var(--bronze); pointer-events: none; }
.platform-top { display: flex; justify-content: space-between; align-items: center; gap: 16px; margin-bottom: 28px; }
.platform-symbol { font-size: 44px; line-height: 1; width: 44px; height: 44px; }
.windows-symbol { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; padding: 4px; }
.windows-symbol i { background: currentColor; }
.platform-status { font-family: var(--mono); font-size: 12px; padding: 6px 8px; border: 1px solid currentColor; }
.platform-card h3 { font-family: var(--display); font-size: clamp(24px,3vw,36px); margin: 0 0 16px; }
.platform-card > p { line-height: 1.6; margin: 0 0 24px; }
.platform-card .platform-file { font-family: var(--mono); font-size: 12px; margin-top: auto; }
.platform-card .button { width: 100%; }
.platform-card .fine { margin: 20px 0 0; }
.platform-windows { background: var(--ink-2); color: var(--paper); }
.platform-windows .fine { color: var(--muted-on-ink); }
.download .platform-windows .button { background: var(--paper); color: var(--ink); }
.download .platform-windows .button:hover { background: var(--terra); }
.download-footnote { display: flex; flex-wrap: wrap; align-items: center; gap: 20px 32px; margin-top: 32px; }
.download-footnote p { flex: 1 1 420px; margin: 0; max-width: 660px; line-height: 1.6; }
.download-footnote .text-link { text-decoration-color: var(--ink); }
@media(max-width: 860px) { .download-heading { flex-direction: column; } }
@media(max-width: 600px) { .platform-grid { grid-template-columns: 1fr; } .platform-card { padding: 28px 20px; } .platform-top { gap: 8px; } .platform-status { font-size: 11px; } }
@media(prefers-reduced-motion: reduce) { .seal text, #demo-placeholder:not([hidden]), #demo-observation:not([hidden]), #demo-decision:not([hidden]) { animation: none; } }