@font-face {
  font-family: 'Manrope';
  font-style: normal;
  font-display: swap;
  font-weight: 100 900;
  src: url('./fonts/manrope-cyrillic-wght-normal.woff2') format('woff2-variations');
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}

@font-face {
  font-family: 'Manrope';
  font-style: normal;
  font-display: swap;
  font-weight: 100 900;
  src: url('./fonts/manrope-latin-wght-normal.woff2') format('woff2-variations');
  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 {
  color-scheme: light;
  font-family: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-synthesis: none;
  --bg: #f4f6fa;
  --surface: #ffffff;
  --surface-soft: #eef2f8;
  --surface-accent: #eaf0ff;
  --surface-glass: rgba(255, 255, 255, .88);
  --surface-accent-glass: rgba(234, 240, 255, .9);
  --heading-surface: rgba(255, 255, 255, .76);
  --header-glass: rgba(244, 246, 250, .78);
  --text: #253047;
  --muted: #5d697d;
  --subtle: #536078;
  --border: #dfe5ef;
  --border-strong: #cbd9ff;
  --blue: #416fe8;
  --blue-deep: #315fd8;
  --link: #315fd8;
  --button-blue: #416fe8;
  --button-blue-hover: #315fd8;
  --button-text: #ffffff;
  --system-badge: #416fe8;
  --blue-soft: #eaf0ff;
  --blue-on-soft: #244ebb;
  --violet: #8a62e7;
  --scene-overlay: transparent;
  --scene-hero-start: rgba(244, 246, 250, .91);
  --scene-hero-mid: rgba(244, 246, 250, .56);
  --scene-hero-mobile: rgba(244, 246, 250, .82);
  --quote-dim: .3;
  --shadow: 0 18px 60px rgba(34, 50, 87, .11);
  --shadow-strong: 0 22px 70px rgba(49, 95, 216, .19);
  --focus: #1f4ec6;
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --bg: #151a24;
    --surface: #1d2431;
    --surface-soft: #202937;
    --surface-accent: #263656;
    --surface-glass: rgba(29, 36, 49, .9);
    --surface-accent-glass: rgba(38, 54, 86, .91);
    --heading-surface: rgba(29, 36, 49, .8);
    --header-glass: rgba(21, 26, 36, .78);
    --text: #e8edf7;
    --muted: #a9b4c7;
    --subtle: #bdc6d6;
    --border: #2b3546;
    --border-strong: #425988;
    --blue: #9db5ff;
    --blue-deep: #bbcbff;
    --link: #9db5ff;
    --button-blue: #3b64d2;
    --button-blue-hover: #3155bb;
    --button-text: #ffffff;
    --system-badge: #3b64d2;
    --blue-soft: #263656;
    --blue-on-soft: #bbcbff;
    --scene-overlay: rgba(21, 26, 36, .72);
    --scene-hero-start: rgba(21, 26, 36, .84);
    --scene-hero-mid: rgba(21, 26, 36, .54);
    --scene-hero-mobile: rgba(21, 26, 36, .84);
    --quote-dim: .42;
    --shadow: 0 18px 60px rgba(0, 0, 0, .3);
    --shadow-strong: 0 22px 70px rgba(65, 111, 232, .22);
    --focus: #bbcbff;
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  overflow-x: clip;
  scroll-behavior: smooth;
}

body {
  min-width: 0;
  min-height: 100vh;
  margin: 0;
  overflow-x: clip;
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.5;
  text-rendering: optimizeLegibility;
}

img,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: var(--link);
  overflow-wrap: anywhere;
}

a:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

.container {
  width: calc(100% - 32px);
  max-width: 1160px;
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  z-index: 40;
  top: 12px;
  left: 12px;
  padding: 9px 13px;
  transform: translateY(-180%);
  border-radius: 10px;
  background: var(--surface);
  color: var(--text);
  box-shadow: var(--shadow);
  font-weight: 800;
  text-decoration: none;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  z-index: 20;
  top: 0;
  border-bottom: 1px solid transparent;
  background: transparent;
  isolation: isolate;
}

.site-header.is-scrolled {
  border-bottom-color: var(--border);
  background: var(--header-glass);
  backdrop-filter: blur(18px) saturate(1.15);
  -webkit-backdrop-filter: blur(18px) saturate(1.15);
}

.scroll-progress {
  position: absolute;
  z-index: 1;
  right: 0;
  bottom: -1px;
  left: 0;
  height: 2px;
  overflow: hidden;
  pointer-events: none;
}

.scroll-progress-bar {
  display: block;
  width: 100%;
  height: 100%;
  transform: scaleX(0);
  transform-origin: left center;
  background: var(--blue);
}

.header-inner,
.footer-inner {
  display: flex;
  min-width: 0;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.header-inner {
  min-height: 74px;
}

.brand {
  display: inline-flex;
  min-width: 0;
  min-height: 44px;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -.04em;
  text-decoration: none;
}

.brand-mark {
  width: 38px;
  height: 38px;
  flex: 0 0 38px;
  border-radius: 12px;
  box-shadow: 0 5px 16px rgba(65, 111, 232, .2);
}

.main-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 2px;
  margin-left: auto;
}

.main-nav a {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  padding: 9px 10px;
  border-radius: 9px;
  color: var(--subtle);
  font-size: 14px;
  font-weight: 750;
  text-decoration: none;
}

.main-nav a:hover {
  background: var(--blue-soft);
  color: var(--blue-on-soft);
}

.section-shell,
.section {
  position: relative;
  isolation: isolate;
  overflow: clip;
  clip-path: inset(0);
}

.scene {
  position: fixed;
  z-index: -1;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.scene-art {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: none;
  transform: scale(1.035);
  object-fit: cover;
  object-position: center;
  will-change: transform;
}

.scene-hero .scene-art {
  object-position: 70% center;
}

.scene::after {
  position: absolute;
  z-index: 1;
  inset: 0;
  background: var(--scene-overlay);
  content: '';
}

.scene-hero::after {
  background: linear-gradient(90deg, var(--scene-hero-start) 0%, var(--scene-hero-start) 29%, var(--scene-hero-mid) 59%, transparent 100%);
}

.float-layer {
  position: absolute;
  z-index: 2;
  width: clamp(48px, 7vw, 112px);
  height: auto;
  max-width: none;
  pointer-events: none;
  will-change: transform;
}

.float-layer-envelope {
  top: 13%;
  right: 7%;
}

.float-layer-envelope-open {
  right: 38%;
  bottom: 12%;
  width: clamp(52px, 7.6vw, 106px);
}

.float-layer-star {
  top: 22%;
  right: 34%;
  width: clamp(36px, 4.8vw, 76px);
}

.float-layer-spark {
  right: 15%;
  bottom: 18%;
  width: clamp(30px, 4vw, 64px);
}

.float-layer-orbit {
  top: 48%;
  right: 2%;
  width: clamp(80px, 11vw, 150px);
  opacity: .82;
}

.section-shell {
  min-height: 550px;
  padding: 54px 0 46px;
}

.hero-grid {
  display: grid;
  min-height: 450px;
  align-items: center;
  gap: 42px;
}

.hero-copy {
  min-width: 0;
  max-width: 720px;
}

.eyebrow,
.author-kicker {
  display: inline-flex;
  margin: 0 0 20px;
  padding: 9px 12px;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  background: var(--blue-soft);
  color: var(--blue-on-soft);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .01em;
}

.hero h1,
.section-heading h2,
.access-copy h2 {
  margin: 0;
  letter-spacing: -.055em;
}

.hero h1 {
  max-width: 760px;
  font-size: clamp(2.75rem, 9vw, 5.2rem);
  font-weight: 800;
  line-height: .98;
  overflow-wrap: anywhere;
  text-wrap: balance;
}

.hero-title .split-line {
  display: block;
  overflow: clip;
  padding-bottom: .08em;
}

.hero-title .split-word {
  display: inline-block;
}

.hero-lead {
  max-width: 660px;
  margin: 26px 0 0;
  color: var(--subtle);
  font-size: clamp(1.05rem, 2.4vw, 1.28rem);
  line-height: 1.55;
  overflow-wrap: anywhere;
}

.hero-actions,
.access-action {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.hero-actions {
  margin-top: 30px;
}

.button {
  position: relative;
  display: inline-flex;
  min-height: 48px;
  max-width: 100%;
  align-items: center;
  justify-content: center;
  padding: 11px 17px;
  overflow: hidden;
  border: 1px solid transparent;
  border-radius: 14px;
  font-size: 15px;
  font-weight: 800;
  line-height: 1.25;
  isolation: isolate;
  text-align: center;
  text-decoration: none;
  overflow-wrap: anywhere;
}

.button::before {
  position: absolute;
  z-index: -1;
  inset: -80%;
  transform: translate3d(-18%, 8%, 0) rotate(15deg);
  opacity: 0;
  background: radial-gradient(circle, rgba(255, 255, 255, .52) 0%, transparent 58%);
  content: '';
  pointer-events: none;
  transition: opacity 180ms ease, transform 180ms ease;
}

.button:hover::before {
  transform: translate3d(18%, -8%, 0) rotate(15deg);
  opacity: 1;
}

.button.magnetic-active {
  will-change: transform;
}

.button-primary {
  background: var(--button-blue);
  color: var(--button-text);
  box-shadow: 0 10px 24px rgba(65, 111, 232, .27);
}

.button-primary:hover {
  background: var(--button-blue-hover);
  color: var(--button-text);
  box-shadow: 0 14px 32px rgba(65, 111, 232, .36);
}

.button-secondary {
  border-color: var(--border);
  background: var(--surface);
  color: var(--text);
  box-shadow: 0 5px 18px rgba(34, 50, 87, .08);
}

.button-secondary:hover {
  border-color: var(--border-strong);
  background: var(--blue-soft);
  color: var(--text);
}

.hero-note {
  max-width: 630px;
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

.section {
  padding: 78px 0;
  scroll-margin-top: 84px;
}

.section-access {
  padding-top: 18px;
}

.section-features,
.section-author,
.section-download,
.site-footer {
  border-top: 1px solid var(--border);
}

.section-heading {
  max-width: 680px;
  margin-bottom: 28px;
  padding: 13px 17px;
  border: 1px solid rgba(255, 255, 255, .32);
  border-radius: 18px;
  background: var(--heading-surface);
  box-shadow: 0 10px 28px rgba(34, 50, 87, .06);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.section-heading h2,
.access-copy h2 {
  font-size: clamp(2rem, 5vw, 3.1rem);
  font-weight: 800;
  line-height: 1.05;
  overflow-wrap: anywhere;
}

.feature-grid,
.download-grid {
  display: grid;
  gap: 13px;
}

.feature-grid {
  perspective: 1000px;
}

.feature-card,
.platform-card {
  min-width: 0;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: var(--surface-glass);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.feature-card {
  position: relative;
  padding: 22px;
  overflow: hidden;
  transform-style: preserve-3d;
}

.feature-card::after {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 170px;
  height: 170px;
  transform: translate3d(calc(-50% + var(--shine-x, 0px)), calc(-50% + var(--shine-y, 0px)), 0);
  opacity: 0;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, .65) 0%, rgba(255, 255, 255, 0) 67%);
  content: '';
  pointer-events: none;
  transition: opacity 160ms ease;
}

.feature-card.has-tilt:hover::after {
  opacity: .9;
}

.feature-card > * {
  position: relative;
  z-index: 1;
}

.feature-icon {
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  margin-bottom: 27px;
  border-radius: 14px;
  background: var(--blue-soft);
  color: var(--blue);
}

.feature-card h3,
.platform-card h3 {
  margin: 0;
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -.025em;
  line-height: 1.2;
  overflow-wrap: anywhere;
}

.feature-card p,
.platform-description,
.access-copy p,
.access-followup,
.download-notes p {
  overflow-wrap: anywhere;
}

.feature-card p {
  margin: 11px 0 0;
  color: var(--subtle);
  font-size: 15px;
  line-height: 1.58;
}

.access-card {
  display: grid;
  gap: 24px;
  padding: 27px;
  border: 1px solid var(--border-strong);
  border-radius: 22px;
  background: var(--surface-accent-glass);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.access-copy h2 {
  font-size: clamp(2rem, 5vw, 2.7rem);
}

.access-copy p {
  max-width: 680px;
  margin: 17px 0 0;
  color: var(--subtle);
  font-size: 16px;
  line-height: 1.6;
}

.access-action {
  display: grid;
  justify-items: start;
  gap: 10px;
}

.access-email-note {
  max-width: 430px;
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
  overflow-wrap: anywhere;
}

.access-followup {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.section-author {
  overflow: visible;
  clip-path: none;
  background:
    radial-gradient(circle at 14% 18%, rgba(65, 111, 232, .14), transparent 31%),
    radial-gradient(circle at 86% 72%, rgba(138, 98, 231, .12), transparent 34%),
    var(--bg);
}

.author-quote {
  display: grid;
  gap: 18px;
  margin: 0;
  padding: clamp(24px, 5vw, 56px);
  border: 1px solid var(--border);
  border-radius: 28px;
  background: var(--surface-glass);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.author-portrait {
  display: grid;
  width: min(220px, 100%);
  aspect-ratio: 1;
  place-items: end center;
  overflow: hidden;
  border-radius: 50%;
  background:
    radial-gradient(circle at 32% 26%, rgba(255, 255, 255, .58), transparent 26%),
    linear-gradient(145deg, var(--blue), var(--violet));
  box-shadow: 0 20px 48px rgba(65, 111, 232, .3);
}

.author-portrait img {
  width: 100%;
  height: 100%;
  max-width: none;
  transform: translateY(4%);
  object-fit: contain;
}

.author-kicker {
  align-self: end;
  width: fit-content;
  margin: 0;
}

.author-words {
  margin: 0;
  font-size: clamp(1.75rem, 3.5vw, 3.3rem);
  font-weight: 750;
  letter-spacing: -.045em;
  line-height: 1.08;
  text-wrap: balance;
}

.quote-word {
  display: inline-block;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  margin: -1px;
  white-space: nowrap;
  border: 0;
}

html.js.ready .quote-word {
  opacity: var(--quote-dim);
}

.author-quote figcaption {
  display: grid;
  gap: 2px;
  color: var(--muted);
  font-size: 14px;
}

.author-quote figcaption strong {
  color: var(--text);
  font-size: 16px;
}

.download-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 28px;
}

.download-heading .section-heading {
  margin-bottom: 0;
}

.download-disclaimer {
  margin: -12px 0 24px;
  padding: 10px 14px;
  border: 1px solid rgba(255, 255, 255, .28);
  border-radius: 14px;
  background: var(--heading-surface);
  color: var(--subtle);
  font-size: 14px;
  line-height: 1.5;
  overflow-wrap: anywhere;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.version {
  flex: 0 0 auto;
  margin: 0 0 5px;
  padding: 8px 12px;
  border: 1px solid rgba(255, 255, 255, .28);
  border-radius: 999px;
  background: var(--heading-surface);
  color: var(--muted);
  font-size: 14px;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.platform-card {
  display: flex;
  flex-direction: column;
  padding: 22px;
}

.platform-card.is-visitor-platform {
  border-color: var(--blue);
  box-shadow: var(--shadow-strong);
}

.platform-header,
.platform-labels {
  display: flex;
  min-width: 0;
  align-items: flex-start;
  justify-content: space-between;
  gap: 9px;
}

.platform-labels {
  flex: 0 1 auto;
  justify-content: flex-end;
  flex-wrap: wrap;
}

.platform-badge,
.platform-system {
  flex: 0 1 auto;
  padding: 5px 8px;
  border-radius: 7px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 750;
  line-height: 1.1;
  text-align: center;
  overflow-wrap: anywhere;
}

.platform-badge {
  background: var(--surface-soft);
}

.platform-system {
  display: none;
  background: var(--system-badge);
  color: #fff;
  box-shadow: 0 5px 12px rgba(65, 111, 232, .18);
}

.platform-card.is-visitor-platform .platform-system {
  display: inline-flex;
}

.platform-description {
  min-height: 49px;
  margin: 12px 0 19px;
  color: var(--subtle);
  font-size: 14px;
  line-height: 1.55;
}

.download-action {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 9px 12px;
}

.button-wide {
  min-width: 0;
  flex: 1 1 170px;
}

.download-meta {
  flex: 0 0 auto;
  color: var(--muted);
  font-size: 12px;
  white-space: nowrap;
}

.install-details {
  margin-top: 22px;
  padding-top: 17px;
  border-top: 1px solid var(--border);
}

.install-details summary {
  display: flex;
  min-height: 44px;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  cursor: pointer;
  color: var(--text);
  font-size: 14px;
  font-weight: 750;
  list-style: none;
}

.install-details summary::-webkit-details-marker {
  display: none;
}

.install-details summary::after {
  flex: 0 0 auto;
  color: var(--blue);
  content: '+';
  font-size: 21px;
  font-weight: 400;
  line-height: 1;
}

.install-details[open] summary::after {
  content: '−';
}

.install-details ol {
  margin: 13px 0 0;
  padding-left: 20px;
  color: var(--subtle);
  font-size: 13px;
  line-height: 1.55;
}

.install-warning {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.45;
  overflow-wrap: anywhere;
}

.install-details li + li {
  margin-top: 8px;
}

.platform-note {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.45;
  overflow-wrap: anywhere;
}

.download-notes {
  display: grid;
  width: fit-content;
  max-width: 100%;
  gap: 7px;
  margin-top: 20px;
  padding: 10px 14px;
  border: 1px solid rgba(255, 255, 255, .28);
  border-radius: 14px;
  background: var(--heading-surface);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.download-notes p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.download-notes a,
.access-followup a {
  color: var(--blue-on-soft);
  font-weight: 700;
}

.site-footer {
  padding: 25px 0 34px;
  background: var(--bg);
}

.footer-inner {
  color: var(--muted);
  font-size: 13px;
}

.footer-inner p,
.footer-inner span {
  margin: 0;
}

html.js:not(.ready) [data-reveal] {
  transform: translate3d(0, 18px, 0);
  opacity: 0;
}

/* Первый экран анимируется только на десктопе — на телефоне не прятать его, пока грузятся скрипты. */
@media (min-width: 1024px) {
  html.js:not(.ready) [data-hero-reveal],
  html.js:not(.ready) .hero-title {
    transform: translate3d(0, 18px, 0);
    opacity: 0;
  }
}

@media (min-width: 600px) {
  .container {
    width: calc(100% - 48px);
  }

  .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .access-card {
    padding: 34px;
  }
}

@media (min-width: 900px) {
  .section {
    padding: 100px 0;
  }

  .section-access {
    padding-top: 18px;
  }

  .download-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .feature-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .access-card {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    column-gap: 42px;
    padding: 40px 44px;
  }

  .access-followup {
    grid-column: 1 / -1;
  }
}

@media (min-width: 1024px) {
  .section-shell {
    min-height: min(780px, calc(100vh - 74px));
    padding: 88px 0 58px;
  }

  .hero-grid {
    min-height: min(630px, calc(100vh - 148px));
  }

  .section {
    padding: 118px 0;
  }

  .author-quote {
    grid-template-columns: minmax(200px, .58fr) minmax(0, 1.6fr);
    column-gap: clamp(30px, 6vw, 84px);
    align-items: end;
  }

  .author-portrait {
    grid-row: 1 / span 3;
    align-self: center;
    width: min(240px, 100%);
  }

  .author-kicker,
  .author-words,
  .author-quote figcaption {
    grid-column: 2;
  }

  .author-words {
    max-width: 850px;
  }
}

@media (max-width: 1023px) {
  .scene-hero::after {
    background: var(--scene-hero-mobile);
  }

  .float-layer-envelope-open {
    right: 29%;
  }

  .float-layer-orbit {
    display: none;
  }
}

@media (max-width: 599px) {
  .section-shell {
    min-height: 510px;
  }

  .float-layer-envelope,
  .float-layer-envelope-open,
  .float-layer-star {
    display: none;
  }

  .float-layer-spark {
    right: 9%;
    bottom: 16%;
  }

  .download-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }

  .version {
    margin-bottom: 0;
  }

  .platform-description {
    min-height: 0;
  }

  .author-portrait {
    margin-inline: auto;
  }
}

@media (max-width: 380px) {
  .container {
    width: calc(100% - 24px);
  }

  .header-inner {
    min-height: 62px;
  }

  .site-header {
    font-size: 15px;
  }

  .main-nav a {
    padding-inline: 7px;
  }

  .section-shell {
    min-height: 470px;
    padding-top: 38px;
  }

  .hero h1 {
    font-size: 2.5rem;
  }

  .hero-actions,
  .hero-actions .button,
  .access-action,
  .access-action .button {
    width: 100%;
  }

  .feature-card,
  .platform-card,
  .access-card {
    padding: 19px;
  }

  .download-meta {
    width: 100%;
  }
}

@media (prefers-reduced-transparency: reduce) {
  .site-header.is-scrolled,
  .feature-card,
  .platform-card,
  .access-card,
  .author-quote,
  .section-heading,
  .download-disclaimer,
  .download-notes,
  .version {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }

  .feature-card,
  .platform-card,
  .author-quote,
  .section-heading,
  .download-disclaimer,
  .download-notes,
  .version {
    background: var(--surface);
  }

  .access-card {
    background: var(--surface-accent);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  html.js:not(.ready) [data-reveal],
  html.js:not(.ready) [data-hero-reveal],
  html.js:not(.ready) .hero-title {
    transform: none;
    opacity: 1;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation: none !important;
    transition: none !important;
  }
}
.nowrap {
  white-space: nowrap;
}

/* Тёмная тема: полупрозрачная заливка делает светлую картинку серой — умножаем на синий, цвета остаются. */
@media (prefers-color-scheme: dark) {
  .scene-art {
    filter: brightness(.62) saturate(1.4);
  }

  .scene::after {
    background: #5a6890;
    mix-blend-mode: multiply;
  }

  .scene-hero::after {
    background: linear-gradient(90deg, #1b2131 0%, #1b2131 29%, #3a4566 59%, #5a6890 100%);
  }
}

@media (prefers-color-scheme: dark) and (max-width: 1023px) {
  .scene-hero::after {
    background: #2e3754;
  }
}