:root {
  --bg: #07090d;
  --bg-soft: #0b0e14;
  --surface: #10141b;
  --surface-2: #151a22;
  --surface-3: #1b212b;
  --text: #f6f8fb;
  --text-soft: #b9c0cc;
  --text-muted: #737c8c;
  --border: rgb(255 255 255 / 9%);
  --border-strong: rgb(255 255 255 / 16%);
  --cyan: #19d4ff;
  --pink: #ff3d70;
  --violet: #9d6cff;
  --success: #75e6a5;
  --gradient: linear-gradient(110deg, var(--cyan) 0%, #42bdff 35%, #bd70fa 66%, var(--pink) 100%);
  --font-body: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-display: "Manrope", var(--font-body);
  --container: 74rem;
  --gutter: clamp(1.2rem, 4vw, 2.4rem);
  --header-height: 4.7rem;
  --radius-sm: 0.9rem;
  --radius-md: 1.35rem;
  --radius-lg: 1.8rem;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 1rem);
}

body {
  margin: 0;
  overflow-x: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
}

button,
a {
  color: inherit;
}

a {
  text-decoration: none;
}

button {
  font: inherit;
}

img,
svg {
  display: block;
}

img {
  max-width: 100%;
}

svg {
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 1000;
  padding: 0.8rem 1rem;
  transform: translateY(-150%);
  border-radius: 0.7rem;
  background: var(--text);
  color: var(--bg);
  font-weight: 700;
  transition: transform 180ms ease;
}

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

.container {
  width: min(100% - (var(--gutter) * 2), var(--container));
  margin-inline: auto;
}

.section {
  padding-block: clamp(5.5rem, 9vw, 8.5rem);
}

.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--cyan);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.section-kicker::before {
  width: 0.42rem;
  height: 0.42rem;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 1rem currentColor;
  content: "";
}

.reveal {
  opacity: 0;
  transform: translateY(1rem);
  transition:
    opacity 520ms var(--ease),
    transform 520ms var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  border-bottom: 1px solid var(--border);
  background: rgb(7 9 13 / 84%);
  backdrop-filter: blur(18px);
}

.header-inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 2rem;
  align-items: center;
  width: min(100% - (var(--gutter) * 2), var(--container));
  height: 100%;
  margin-inline: auto;
}

.brand {
  display: inline-flex;
  align-items: center;
  width: max-content;
  gap: 0.72rem;
}

.brand-icon {
  display: grid;
  width: 2.65rem;
  height: 2.65rem;
  overflow: hidden;
  place-items: center;
  border: 1px solid var(--border-strong);
  border-radius: 0.78rem;
  background: #020306;
}

.brand-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.brand-copy {
  display: grid;
  gap: 0.05rem;
}

.brand-copy strong {
  font-family: var(--font-display);
  font-size: 1.06rem;
  font-weight: 800;
  letter-spacing: -0.035em;
}

.brand-copy small {
  color: var(--text-muted);
  font-size: 0.56rem;
  font-weight: 700;
  letter-spacing: 0.15em;
}

.desktop-nav {
  display: flex;
  gap: 2.5rem;
  align-items: center;
}

.desktop-nav a,
.footer-links a {
  color: var(--text-soft);
  font-size: 0.78rem;
  font-weight: 700;
  transition: color 180ms ease;
}

.desktop-nav a:hover,
.footer-links a:hover {
  color: var(--text);
}

.telegram-button {
  display: inline-flex;
  min-height: 2.85rem;
  align-items: center;
  justify-content: center;
  gap: 0.58rem;
  border-radius: 999px;
  background: var(--gradient);
  color: #fff;
  font-size: 0.82rem;
  font-weight: 800;
  box-shadow: 0 0.75rem 2rem rgb(25 212 255 / 12%);
  transition:
    transform 180ms ease,
    box-shadow 180ms ease;
}

.telegram-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 0.9rem 2.2rem rgb(255 61 112 / 18%);
}

.telegram-button svg {
  width: 1rem;
  height: 1rem;
  fill: currentColor;
  stroke: none;
}

.telegram-button-small {
  min-width: 8.5rem;
  justify-self: end;
  padding-inline: 1rem;
}

.menu-toggle,
.mobile-menu {
  display: none;
}

/* Hero */
.hero {
  position: relative;
  overflow: hidden;
  padding: clamp(3.5rem, 7vh, 5rem) 0 0;
  background:
    linear-gradient(rgb(255 255 255 / 2%) 1px, transparent 1px),
    linear-gradient(90deg, rgb(255 255 255 / 2%) 1px, transparent 1px),
    var(--bg);
  background-size: 5rem 5rem;
}

.hero::after {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 35%, transparent 0%, var(--bg) 72%);
  content: "";
  pointer-events: none;
}

.hero-glow {
  position: absolute;
  z-index: 0;
  width: 27rem;
  height: 27rem;
  border-radius: 50%;
  filter: blur(7rem);
  opacity: 0.12;
  pointer-events: none;
}

.hero-glow-cyan {
  top: -7rem;
  left: 7%;
  background: var(--cyan);
}

.hero-glow-pink {
  right: 7%;
  bottom: -8rem;
  background: var(--pink);
}

.hero-layout {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(15rem, 0.72fr) minmax(0, 1.55fr);
  gap: clamp(3rem, 7vw, 7rem);
  align-items: center;
  min-height: clamp(29rem, calc(100vh - 10rem), 40rem);
  padding-bottom: clamp(3rem, 6vh, 4.5rem);
}

.product-art {
  position: relative;
  justify-self: end;
  width: min(100%, 17.5rem);
}

.product-art::before {
  position: absolute;
  inset: -1.6rem;
  border: 1px solid rgb(255 255 255 / 6%);
  border-radius: 3rem;
  background: linear-gradient(145deg, rgb(255 255 255 / 5%), transparent 62%);
  content: "";
  transform: rotate(-4deg);
}

.product-art::after {
  position: absolute;
  inset: -2.5rem;
  z-index: -1;
  border-radius: 50%;
  background: conic-gradient(from 80deg, var(--pink), var(--violet), var(--cyan), var(--pink));
  filter: blur(3.5rem);
  opacity: 0.2;
  content: "";
}

.product-icon {
  position: relative;
  overflow: hidden;
  aspect-ratio: 1;
  border: 1px solid var(--border-strong);
  border-radius: 2.6rem;
  background: #020306;
  box-shadow: 0 2.5rem 5rem rgb(0 0 0 / 42%);
}

.product-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-version {
  position: absolute;
  right: -1rem;
  bottom: -1rem;
  display: inline-flex;
  min-height: 2.65rem;
  align-items: center;
  padding-inline: 1rem;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  background: rgb(16 20 27 / 92%);
  color: var(--text-soft);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  backdrop-filter: blur(10px);
}

.hero-content {
  max-width: 46rem;
}

.platform-pill {
  display: inline-flex;
  min-height: 2.4rem;
  align-items: center;
  gap: 0.55rem;
  padding: 0.45rem 0.8rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgb(255 255 255 / 4%);
  color: var(--text-soft);
  font-size: 0.72rem;
  font-weight: 700;
}

.platform-pill svg {
  width: 1.05rem;
  height: 1.05rem;
  color: var(--cyan);
}

.platform-pill i {
  width: 0.22rem;
  height: 0.22rem;
  border-radius: 50%;
  background: var(--text-muted);
}

.hero-title {
  margin: 1.45rem 0 1.25rem;
  font-family: var(--font-display);
  font-size: clamp(3.1rem, 5.35vw, 4.7rem);
  font-weight: 800;
  letter-spacing: -0.065em;
  line-height: 0.98;
}

.hero-title span,
.final-card h2 span {
  background: var(--gradient);
  background-clip: text;
  color: transparent;
  -webkit-background-clip: text;
}

.hero-lead {
  max-width: 42rem;
  margin: 0;
  color: var(--text-soft);
  font-size: clamp(1rem, 1.45vw, 1.2rem);
  line-height: 1.65;
}

.product-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.55rem;
}

.product-facts span {
  display: inline-flex;
  min-height: 2rem;
  align-items: center;
  gap: 0.35rem;
  padding-inline: 0.72rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgb(255 255 255 / 3%);
  color: var(--text-muted);
  font-size: 0.72rem;
}

.product-facts strong {
  color: var(--text);
  font-weight: 700;
}

.social-proof {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 0.85rem;
}

.proof-pill {
  display: inline-flex;
  min-height: 2.7rem;
  align-items: center;
  gap: 0.42rem;
  padding: 0.55rem 0.8rem;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  background: rgb(255 255 255 / 4%);
  color: var(--text-soft);
  font-size: 0.78rem;
  white-space: nowrap;
  box-shadow: inset 0 1px 0 rgb(255 255 255 / 3%);
}

.proof-pill strong {
  color: var(--text);
  font-size: 0.84rem;
  font-weight: 800;
}

.rating-stars {
  display: inline-flex;
  gap: 0.08rem;
  color: #ffbd2e;
}

.rating-stars svg {
  width: 0.88rem;
  height: 0.88rem;
  fill: currentColor;
  stroke: none;
}

.downloads-pill > svg {
  width: 1rem;
  height: 1rem;
  color: var(--cyan);
}

.hero-actions {
  display: flex;
  gap: 1.15rem;
  align-items: center;
  margin-top: 1.35rem;
}

.primary-button,
.secondary-button {
  display: inline-flex;
  min-height: 3.75rem;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 0.85rem 1.35rem;
  border-radius: 0.95rem;
  font-size: 0.9rem;
  font-weight: 800;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    border-color 180ms ease;
}

.primary-button {
  min-width: 15.5rem;
  background: var(--gradient);
  color: #fff;
  box-shadow: 0 1rem 2.8rem rgb(25 212 255 / 15%);
}

.primary-button:hover,
.secondary-button:hover {
  transform: translateY(-2px);
}

.primary-button:hover {
  box-shadow: 0 1rem 3rem rgb(255 61 112 / 22%);
}

.primary-button svg,
.secondary-button svg {
  width: 1.2rem;
  height: 1.2rem;
}

.hero-actions > p {
  max-width: 14rem;
  margin: 0;
  color: var(--text-muted);
  font-size: 0.72rem;
  line-height: 1.5;
}

.trust-row {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--border);
  border-right: 1px solid var(--border);
}

.trust-row > div {
  display: flex;
  min-height: 5.5rem;
  align-items: center;
  gap: 0.8rem;
  padding: 1rem 1.2rem;
  border-bottom: 1px solid var(--border);
  border-left: 1px solid var(--border);
  background: rgb(255 255 255 / 2%);
}

.trust-row span,
.card-number {
  color: var(--text-muted);
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.trust-row strong {
  font-size: 0.83rem;
}

/* Features */
.features-section {
  background:
    radial-gradient(circle at 85% 10%, rgb(25 212 255 / 7%), transparent 23rem),
    var(--bg-soft);
}

.section-heading {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 4rem;
  align-items: end;
  margin-bottom: 3rem;
}

.section-heading h2,
.install-copy h2,
.compatibility-card h2,
.faq-heading h2,
.final-card h2 {
  margin: 0.9rem 0 0;
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 5vw, 4.7rem);
  font-weight: 800;
  letter-spacing: -0.06em;
  line-height: 1;
}

.section-heading > p {
  max-width: 29rem;
  margin: 0 0 0.35rem;
  color: var(--text-soft);
  line-height: 1.7;
}

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

.feature-card {
  position: relative;
  min-height: 21rem;
  overflow: hidden;
  padding: clamp(1.5rem, 3vw, 2rem);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background:
    linear-gradient(145deg, rgb(255 255 255 / 4%), transparent 52%),
    var(--surface);
  transition:
    transform 220ms var(--ease),
    border-color 220ms ease,
    background 220ms ease;
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
  background:
    linear-gradient(145deg, rgb(255 255 255 / 6%), transparent 54%),
    var(--surface);
}

.feature-card-wide {
  display: grid;
  grid-column: 1 / -1;
  grid-template-columns: 3.5rem minmax(0, 1fr) minmax(16rem, 0.8fr);
  gap: 1.5rem;
  align-items: center;
  min-height: 17rem;
}

.feature-icon {
  display: grid;
  width: 3.1rem;
  height: 3.1rem;
  margin-bottom: 2.8rem;
  place-items: center;
  border: 1px solid currentColor;
  border-radius: 1rem;
  background: rgb(255 255 255 / 3%);
}

.feature-card-wide .feature-icon {
  align-self: start;
  margin-bottom: 0;
}

.feature-icon svg {
  width: 1.35rem;
  height: 1.35rem;
}

.feature-icon-cyan {
  color: var(--cyan);
}

.feature-icon-pink {
  color: var(--pink);
}

.feature-icon-violet {
  color: var(--violet);
}

.feature-card h3 {
  max-width: 31rem;
  margin: 0.65rem 0 0.8rem;
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 2.3vw, 2.05rem);
  letter-spacing: -0.04em;
  line-height: 1.15;
}

.feature-card p {
  max-width: 34rem;
  margin: 0;
  color: var(--text-soft);
  font-size: 0.92rem;
  line-height: 1.65;
}

.filter-demo {
  display: grid;
  gap: 0.55rem;
  padding: 0.8rem;
  border: 1px solid var(--border);
  border-radius: 1rem;
  background: rgb(3 5 8 / 58%);
}

.filter-demo span {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 0.7rem;
  align-items: center;
  min-height: 2.6rem;
  padding-inline: 0.75rem;
  border-radius: 0.7rem;
  background: rgb(255 255 255 / 3%);
  color: var(--text-soft);
  font-size: 0.76rem;
  font-weight: 600;
}

.filter-demo i {
  width: 0.4rem;
  height: 0.4rem;
  border-radius: 50%;
  background: var(--pink);
  box-shadow: 0 0 0.8rem var(--pink);
}

.filter-demo b {
  color: var(--pink);
  font-size: 0.63rem;
  letter-spacing: 0.09em;
}

.region-chips,
.palette {
  display: flex;
  gap: 0.5rem;
  margin-top: 2.5rem;
}

.region-chips span {
  display: grid;
  width: 2.6rem;
  height: 2.6rem;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: 50%;
  background: var(--surface-2);
  color: var(--text-soft);
  font-size: 0.67rem;
  font-weight: 800;
}

.region-chips span:first-child {
  border-color: var(--pink);
  color: var(--pink);
  box-shadow: inset 0 0 1rem rgb(255 61 112 / 12%);
}

.media-preview {
  display: grid;
  grid-template-columns: 1fr 0.75fr 0.9fr;
  gap: 0.5rem;
  height: 4.5rem;
  margin-top: 2rem;
}

.media-preview div {
  border: 1px solid var(--border);
  border-radius: 0.65rem;
  background:
    linear-gradient(155deg, transparent 50%, rgb(255 255 255 / 9%) 51%),
    linear-gradient(135deg, rgb(157 108 255 / 35%), rgb(25 212 255 / 7%));
}

.media-preview div:nth-child(2) {
  background: linear-gradient(145deg, rgb(255 61 112 / 30%), rgb(255 255 255 / 3%));
}

.media-preview div:nth-child(3) {
  background: linear-gradient(145deg, rgb(25 212 255 / 28%), rgb(255 255 255 / 3%));
}

.palette i {
  width: 2.3rem;
  height: 2.3rem;
  border: 0.25rem solid var(--surface);
  border-radius: 50%;
  outline: 1px solid var(--border);
}

.palette i:nth-child(1) { background: var(--cyan); }
.palette i:nth-child(2) { background: var(--pink); }
.palette i:nth-child(3) { background: var(--violet); }
.palette i:nth-child(4) { background: #e7ff52; }

.timeline-demo {
  position: relative;
  height: 0.22rem;
  margin-top: 3.2rem;
  border-radius: 999px;
  background: var(--surface-3);
}

.timeline-demo span {
  position: absolute;
  inset: 0 36% 0 0;
  border-radius: inherit;
  background: var(--gradient);
}

.timeline-demo i {
  position: absolute;
  top: 50%;
  left: 64%;
  width: 0.8rem;
  height: 0.8rem;
  border: 0.18rem solid var(--surface);
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 1rem var(--cyan);
  transform: translate(-50%, -50%);
}

/* Interface screenshots */
.interface-section {
  overflow: hidden;
  border-top: 1px solid var(--border);
  background:
    radial-gradient(circle at 75% 45%, rgb(157 108 255 / 10%), transparent 28rem),
    radial-gradient(circle at 15% 10%, rgb(25 212 255 / 7%), transparent 22rem),
    var(--bg);
}

.interface-layout {
  display: grid;
  grid-template-columns: minmax(18rem, 0.72fr) minmax(30rem, 1.28fr);
  gap: clamp(3rem, 7vw, 6.5rem);
  align-items: center;
}

.interface-copy h2 {
  margin: 0.9rem 0 0;
  font-family: var(--font-display);
  font-size: clamp(2.7rem, 5vw, 4.8rem);
  font-weight: 800;
  letter-spacing: -0.06em;
  line-height: 1;
}

.interface-copy > p {
  max-width: 29rem;
  margin: 1.5rem 0 0;
  color: var(--text-soft);
  line-height: 1.7;
}

.interface-points {
  display: grid;
  margin: 2.2rem 0 0;
  padding: 0;
  border-top: 1px solid var(--border);
  list-style: none;
}

.interface-points li {
  display: grid;
  grid-template-columns: 2.5rem 1fr;
  gap: 0.75rem;
  align-items: center;
  min-height: 3.4rem;
  border-bottom: 1px solid var(--border);
  color: var(--text-soft);
  font-size: 0.82rem;
  font-weight: 700;
}

.interface-points span {
  color: var(--cyan);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
}

.interface-gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1rem, 2.5vw, 1.8rem);
  align-items: center;
}

.device-card {
  min-width: 0;
  margin: 0;
  transition: transform 320ms var(--ease);
}

.device-card-left {
  transform: translateY(1.8rem) rotate(-1.5deg);
}

.device-card-right {
  transform: translateY(-1.8rem) rotate(1.5deg);
}

.device-card-left:hover {
  transform: translateY(1.1rem) rotate(-0.5deg);
}

.device-card-right:hover {
  transform: translateY(-2.5rem) rotate(0.5deg);
}

.device-frame {
  position: relative;
  overflow: hidden;
  padding: 0.42rem;
  border: 1px solid rgb(255 255 255 / 18%);
  border-radius: 2.2rem;
  background: #05070a;
  box-shadow:
    0 2.2rem 5rem rgb(0 0 0 / 42%),
    0 0 3rem rgb(25 212 255 / 6%);
}

.device-frame::after {
  position: absolute;
  inset: 0.42rem;
  border: 1px solid rgb(255 255 255 / 8%);
  border-radius: 1.8rem;
  content: "";
  pointer-events: none;
}

.device-frame img {
  width: 100%;
  height: auto;
  border-radius: 1.8rem;
  background: #f7f7f7;
}

.device-card figcaption {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 1rem 0.35rem 0;
}

.device-card figcaption span {
  color: var(--text-muted);
  font-size: 0.6rem;
  font-weight: 800;
  letter-spacing: 0.09em;
}

.device-card figcaption strong {
  font-size: 0.75rem;
}

.swipe-hint {
  display: none;
}

/* Installation */
.install-section {
  border-top: 1px solid var(--border);
  background: var(--bg);
}

.install-layout {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(3rem, 8vw, 7rem);
  align-items: start;
}

.install-copy {
  position: sticky;
  top: calc(var(--header-height) + 2rem);
}

.install-copy p,
.faq-heading p {
  max-width: 27rem;
  margin: 1.5rem 0 0;
  color: var(--text-soft);
  line-height: 1.7;
}

.secondary-button {
  margin-top: 2rem;
  border: 1px solid var(--border-strong);
  background: var(--surface);
}

.secondary-button:hover {
  border-color: var(--cyan);
}

.steps-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.steps-list li {
  display: grid;
  grid-template-columns: 3.5rem 1fr;
  gap: 1.5rem;
  min-height: 10.5rem;
  padding: 1.8rem 0;
  border-top: 1px solid var(--border);
}

.steps-list li:last-child {
  border-bottom: 1px solid var(--border);
}

.steps-list li > span {
  color: var(--cyan);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.steps-list h3 {
  margin: -0.2rem 0 0.55rem;
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2vw, 1.7rem);
  letter-spacing: -0.035em;
}

.steps-list p {
  max-width: 34rem;
  margin: 0;
  color: var(--text-soft);
  font-size: 0.9rem;
  line-height: 1.65;
}

/* Compatibility */
.compatibility-section {
  padding-bottom: clamp(5.5rem, 9vw, 8.5rem);
}

.compatibility-card {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: clamp(1.5rem, 3vw, 2.5rem);
  align-items: center;
  overflow: hidden;
  padding: clamp(2rem, 4vw, 3.2rem);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 87% 20%, rgb(25 212 255 / 14%), transparent 18rem),
    radial-gradient(circle at 15% 120%, rgb(255 61 112 / 12%), transparent 18rem),
    var(--surface);
}

.compatibility-icon {
  display: grid;
  width: clamp(4.2rem, 7vw, 5.5rem);
  aspect-ratio: 1;
  place-items: center;
  border: 1px solid var(--border-strong);
  border-radius: 1.35rem;
  background: rgb(255 255 255 / 4%);
  color: var(--cyan);
}

.compatibility-icon svg {
  width: 2.1rem;
  height: 2.1rem;
}

.compatibility-card h2 {
  font-size: clamp(2rem, 4vw, 3.35rem);
}

.compatibility-card p {
  max-width: 37rem;
  margin: 0.85rem 0 0;
  color: var(--text-soft);
}

.compatibility-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: flex-end;
}

.compatibility-tags span {
  padding: 0.55rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgb(255 255 255 / 4%);
  color: var(--text-soft);
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

/* FAQ */
.faq-section {
  border-top: 1px solid var(--border);
  background: var(--bg-soft);
}

.faq-layout {
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  gap: clamp(3rem, 8vw, 7rem);
}

.faq-list {
  border-top: 1px solid var(--border);
}

.faq-item {
  border-bottom: 1px solid var(--border);
}

.faq-item summary {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1rem;
  align-items: center;
  min-height: 5.6rem;
  cursor: pointer;
  font-family: var(--font-display);
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  font-weight: 700;
  list-style: none;
}

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

.faq-item summary i {
  position: relative;
  width: 2.3rem;
  height: 2.3rem;
  border: 1px solid var(--border);
  border-radius: 50%;
  transition:
    border-color 180ms ease,
    transform 220ms var(--ease);
}

.faq-item summary i::before,
.faq-item summary i::after {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0.7rem;
  height: 1px;
  background: var(--text-soft);
  content: "";
  transform: translate(-50%, -50%);
}

.faq-item summary i::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.faq-item[open] summary i {
  border-color: var(--cyan);
  transform: rotate(45deg);
}

.faq-item p {
  max-width: 40rem;
  margin: -0.5rem 4rem 1.8rem 0;
  color: var(--text-soft);
  font-size: 0.92rem;
  line-height: 1.7;
}

/* Reviews */
.reviews-section {
  border-top: 1px solid var(--border);
  background:
    radial-gradient(circle at 85% 5%, rgb(25 212 255 / 8%), transparent 24rem),
    var(--bg);
}

.reviews-panel {
  padding: clamp(1.25rem, 3vw, 2.4rem);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(135deg, rgb(255 255 255 / 3%), transparent 52%),
    var(--surface);
  box-shadow: 0 2rem 5rem rgb(0 0 0 / 18%);
}

.reviews-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 1.5rem;
}

.reviews-title {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.reviews-title-icon {
  display: grid;
  width: 3.15rem;
  height: 3.15rem;
  flex: 0 0 auto;
  place-items: center;
  border: 1px solid rgb(25 212 255 / 45%);
  border-radius: 1rem;
  background: rgb(25 212 255 / 7%);
  color: var(--cyan);
}

.reviews-title-icon svg {
  width: 1.4rem;
  height: 1.4rem;
}

.reviews-title h2 {
  margin: 0.2rem 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  letter-spacing: -0.045em;
}

.reviews-summary {
  display: flex;
  min-height: 4rem;
  align-items: center;
  gap: 0.8rem;
  padding: 0.7rem 1rem;
  border: 1px solid var(--border-strong);
  border-radius: 1.15rem;
  background: rgb(255 255 255 / 4%);
}

.reviews-summary > strong {
  font-family: var(--font-display);
  font-size: 2rem;
  letter-spacing: -0.05em;
  line-height: 1;
}

.reviews-summary > div {
  display: grid;
  gap: 0.05rem;
}

.review-stars {
  color: #ffbd2e;
  font-size: 1rem;
  letter-spacing: 0.06em;
  line-height: 1;
  white-space: nowrap;
}

.reviews-summary small {
  color: var(--text-muted);
  font-size: 0.64rem;
}

.reviews-list {
  display: grid;
  gap: 0.75rem;
}

.review-card {
  padding: 1.2rem 1.3rem;
  border: 1px solid var(--border);
  border-radius: 1.15rem;
  background: rgb(7 9 13 / 34%);
  transition:
    border-color 180ms ease,
    background 180ms ease,
    transform 220ms var(--ease);
}

.review-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-strong);
  background: rgb(255 255 255 / 3%);
}

.review-topline {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.review-author {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 0.8rem;
}

.review-avatar {
  display: grid;
  width: 2.65rem;
  height: 2.65rem;
  flex: 0 0 auto;
  place-items: center;
  border: 1px solid rgb(255 255 255 / 22%);
  border-radius: 50%;
  color: #fff;
  font-size: 0.78rem;
  font-weight: 800;
}

.review-avatar-cyan {
  background: linear-gradient(145deg, #16d8ff, #1970ff);
}

.review-avatar-violet {
  background: linear-gradient(145deg, #a56aff, #5d35d6);
}

.review-avatar-pink {
  background: linear-gradient(145deg, #ff6ba0, #b32662);
}

.review-avatar-green {
  background: linear-gradient(145deg, #78e7a6, #1f8250);
}

.review-name {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.review-name strong {
  overflow: hidden;
  font-size: 0.9rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.review-name svg {
  width: 0.95rem;
  height: 0.95rem;
  flex: 0 0 auto;
  color: var(--cyan);
}

.review-author time {
  display: block;
  margin-top: 0.14rem;
  color: var(--text-muted);
  font-size: 0.68rem;
}

.review-card p {
  margin: 1rem 0 0.8rem;
  color: var(--text);
  font-size: 0.92rem;
}

.review-likes {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--text-muted);
  font-size: 0.7rem;
}

.review-likes svg {
  width: 0.9rem;
  height: 0.9rem;
}

/* Final CTA and footer */
.final-cta {
  padding: clamp(5rem, 8vw, 7rem) 0;
  background: var(--bg-soft);
}

.final-card {
  position: relative;
  display: flex;
  min-height: 22rem;
  overflow: hidden;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
  padding: clamp(2rem, 5vw, 4.5rem);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 80% 20%, rgb(255 61 112 / 20%), transparent 22rem),
    radial-gradient(circle at 20% 110%, rgb(25 212 255 / 18%), transparent 24rem),
    var(--surface);
}

.final-card::after {
  position: absolute;
  top: -8rem;
  right: -6rem;
  width: 23rem;
  height: 23rem;
  border: 1px solid rgb(255 255 255 / 7%);
  border-radius: 50%;
  content: "";
}

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

.final-card h2 {
  font-size: clamp(2.8rem, 6vw, 5.7rem);
}

.site-footer {
  border-top: 1px solid var(--border);
  background: var(--bg);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr 1.4fr 1fr;
  gap: 2rem;
  align-items: center;
  min-height: 8.5rem;
}

.footer-inner > p {
  max-width: 31rem;
  margin: 0;
  color: var(--text-muted);
  font-size: 0.7rem;
  line-height: 1.6;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
  justify-content: flex-end;
}

/* Responsive */
@media (max-width: 64rem) {
  .desktop-nav,
  .telegram-button-small {
    display: none;
  }

  .header-inner {
    grid-template-columns: 1fr auto;
  }

  .menu-toggle {
    display: flex;
    width: 2.85rem;
    height: 2.85rem;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.38rem;
    border: 1px solid var(--border-strong);
    border-radius: 0.8rem;
    background: var(--surface);
    cursor: pointer;
  }

  .menu-toggle span {
    width: 1.15rem;
    height: 1px;
    background: currentColor;
    transition: transform 220ms var(--ease);
  }

  .menu-toggle[aria-expanded="true"] span:first-child {
    transform: translateY(0.2rem) rotate(45deg);
  }

  .menu-toggle[aria-expanded="true"] span:last-child {
    transform: translateY(-0.2rem) rotate(-45deg);
  }

  .mobile-menu {
    position: fixed;
    top: var(--header-height);
    right: 0;
    left: 0;
    z-index: 99;
    display: grid;
    padding: 1rem var(--gutter) 1.4rem;
    transform: translateY(-1rem);
    border-bottom: 1px solid var(--border);
    background: rgb(7 9 13 / 97%);
    box-shadow: 0 1.5rem 3rem rgb(0 0 0 / 40%);
    opacity: 0;
    pointer-events: none;
    visibility: hidden;
    transition:
      opacity 180ms ease,
      transform 220ms var(--ease),
      visibility 180ms;
  }

  .mobile-menu.is-open {
    transform: none;
    opacity: 1;
    pointer-events: auto;
    visibility: visible;
  }

  .mobile-menu a {
    display: flex;
    min-height: 3.6rem;
    align-items: center;
    border-bottom: 1px solid var(--border);
    font-weight: 700;
  }

  .mobile-menu a:last-child {
    justify-content: center;
    margin-top: 1rem;
    border: 0;
    border-radius: 0.8rem;
    background: var(--gradient);
  }

  .hero-layout {
    grid-template-columns: minmax(12rem, 0.6fr) minmax(0, 1.4fr);
    gap: 3.5rem;
  }

  .hero-title {
    font-size: clamp(3rem, 6.8vw, 4.6rem);
  }

  .product-art {
    width: min(100%, 14rem);
  }

  .feature-card-wide {
    grid-template-columns: 3.5rem minmax(0, 1fr);
  }

  .filter-demo {
    grid-column: 2;
  }

  .compatibility-card {
    grid-template-columns: auto 1fr;
  }

  .compatibility-tags {
    grid-column: 2;
    justify-content: flex-start;
  }

  .footer-inner {
    grid-template-columns: 1fr 1fr;
    padding-block: 2rem;
  }

  .footer-inner > p {
    grid-row: 2;
  }
}

@media (max-width: 48rem) {
  :root {
    --header-height: 4.35rem;
    --gutter: 1rem;
  }

  .brand-icon {
    width: 2.45rem;
    height: 2.45rem;
  }

  .hero {
    padding-top: 1.5rem;
    background-size: 4rem 4rem;
  }

  .hero-layout {
    display: flex;
    min-height: auto;
    flex-direction: column;
    gap: 1.15rem;
    align-items: stretch;
    padding-bottom: 2rem;
  }

  .product-art {
    justify-self: auto;
    width: 7rem;
    margin-left: 0.55rem;
  }

  .product-art::before {
    inset: -0.7rem;
    border-radius: 1.7rem;
  }

  .product-art::after {
    inset: -1.2rem;
    filter: blur(2.2rem);
  }

  .product-icon {
    border-radius: 1.6rem;
  }

  .product-version {
    right: -2.1rem;
    bottom: -0.3rem;
    min-height: 2rem;
    padding-inline: 0.7rem;
    font-size: 0.62rem;
  }

  .platform-pill {
    min-height: 2rem;
    padding-block: 0.35rem;
    font-size: 0.68rem;
  }

  .hero-title {
    margin: 0.75rem 0 0.8rem;
    font-size: clamp(2.25rem, 10.7vw, 3rem);
    line-height: 0.96;
  }

  .hero-lead {
    max-width: 35rem;
    font-size: 0.9rem;
    line-height: 1.55;
  }

  .product-facts {
    gap: 0.45rem;
    margin-top: 1rem;
  }

  .product-facts span {
    min-height: 1.8rem;
    padding-inline: 0.62rem;
    font-size: 0.68rem;
  }

  .product-facts span:nth-child(3) {
    display: none;
  }

  .hero-actions {
    display: block;
    margin-top: 0.9rem;
  }

  .social-proof {
    flex-wrap: nowrap;
    gap: 0.4rem;
    margin-top: 0.65rem;
  }

  .proof-pill {
    min-height: 2.5rem;
    gap: 0.3rem;
    padding: 0.45rem 0.6rem;
    font-size: 0.68rem;
  }

  .proof-pill strong {
    font-size: 0.76rem;
  }

  .rating-stars {
    gap: 0.04rem;
  }

  .rating-stars svg {
    width: 0.72rem;
    height: 0.72rem;
  }

  .downloads-pill > svg {
    width: 0.85rem;
    height: 0.85rem;
  }

  .primary-button {
    min-height: 3.4rem;
    width: 100%;
  }

  .hero-actions > p {
    display: none;
  }

  .trust-row {
    grid-template-columns: repeat(2, 1fr);
  }

  .trust-row > div {
    min-height: 4.7rem;
    padding: 0.8rem;
  }

  .trust-row strong {
    font-size: 0.74rem;
  }

  .section-heading,
  .install-layout,
  .faq-layout {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .section-heading {
    margin-bottom: 2.2rem;
  }

  .section-heading > p {
    margin: 0;
  }

  .section-heading h2,
  .install-copy h2,
  .faq-heading h2 {
    font-size: clamp(2.3rem, 11vw, 3.4rem);
  }

  .feature-grid {
    grid-template-columns: 1fr;
  }

  .feature-card,
  .feature-card-wide {
    display: block;
    grid-column: auto;
    min-height: 0;
    padding: 1.35rem;
  }

  .feature-icon,
  .feature-card-wide .feature-icon {
    margin-bottom: 2rem;
  }

  .filter-demo {
    margin-top: 1.5rem;
  }

  .interface-layout {
    display: flex;
    flex-direction: column;
    gap: 0;
  }

  .interface-section {
    padding-block: 4rem 4.5rem;
  }

  .interface-copy h2 {
    font-size: clamp(2.3rem, 11vw, 3.4rem);
  }

  .interface-copy > p {
    margin-top: 1.15rem;
    font-size: 0.95rem;
    line-height: 1.65;
  }

  .interface-points {
    display: none;
  }

  .interface-gallery {
    order: 3;
    display: flex;
    width: calc(100% + var(--gutter));
    overflow-x: auto;
    gap: 1rem;
    margin-top: 0;
    padding: 0.65rem var(--gutter) 1.25rem 0;
    overscroll-behavior-inline: contain;
    scroll-padding-inline: 0;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
  }

  .interface-gallery::-webkit-scrollbar {
    display: none;
  }

  .device-card,
  .device-card-left,
  .device-card-right,
  .device-card-left:hover,
  .device-card-right:hover {
    width: min(calc(100vw - 3rem), 21rem);
    flex: 0 0 auto;
    transform: none;
    scroll-snap-align: start;
    scroll-snap-stop: always;
  }

  .swipe-hint {
    order: 2;
    display: flex;
    min-height: 2.75rem;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin: 1.5rem 0 0.35rem;
    color: var(--text-muted);
    font-size: 0.72rem;
    font-weight: 700;
  }

  .swipe-dots {
    display: inline-flex;
    flex: 0 0 auto;
    gap: 0.4rem;
  }

  .swipe-dots i {
    width: 1.35rem;
    height: 0.22rem;
    border-radius: 999px;
    background: var(--border-strong);
  }

  .swipe-dots i:first-child {
    background: var(--cyan);
    box-shadow: 0 0 0.8rem rgb(25 212 255 / 35%);
  }

  .device-frame {
    border-radius: 1.8rem;
  }

  .device-frame::after,
  .device-frame img {
    border-radius: 1.45rem;
  }

  .device-card figcaption {
    padding-top: 0.85rem;
  }

  .device-card figcaption span {
    font-size: 0.62rem;
  }

  .device-card figcaption strong {
    font-size: 0.8rem;
  }

  .install-copy {
    position: static;
  }

  .secondary-button {
    width: 100%;
  }

  .steps-list li {
    grid-template-columns: 2.5rem 1fr;
    gap: 0.8rem;
    min-height: 0;
    padding-block: 1.5rem;
  }

  .compatibility-card {
    grid-template-columns: 1fr;
  }

  .compatibility-icon {
    width: 4.2rem;
  }

  .compatibility-tags {
    grid-column: auto;
  }

  .faq-item summary {
    min-height: 5rem;
  }

  .faq-item p {
    margin-right: 0;
  }

  .reviews-header {
    align-items: flex-start;
  }

  .reviews-summary {
    min-height: 3.5rem;
    padding: 0.55rem 0.75rem;
  }

  .reviews-summary > strong {
    font-size: 1.55rem;
  }

  .reviews-summary .review-stars {
    font-size: 0.78rem;
  }

  .reviews-title-icon {
    display: none;
  }

  .review-card {
    padding: 1rem;
  }

  .review-topline > .review-stars {
    font-size: 0.78rem;
  }

  .final-card {
    min-height: 27rem;
    flex-direction: column;
    align-items: stretch;
    justify-content: space-between;
  }

  .final-card h2 {
    font-size: clamp(2.7rem, 12vw, 4rem);
  }

  .footer-inner {
    grid-template-columns: 1fr;
  }

  .footer-inner > p {
    grid-row: auto;
  }

  .footer-links {
    flex-wrap: wrap;
    justify-content: flex-start;
  }
}

@media (max-width: 23rem) {
  .brand-copy small {
    display: none;
  }

  .social-proof {
    flex-wrap: wrap;
  }

  .proof-pill {
    flex: 1 1 auto;
  }

  .hero-title {
    font-size: 2.35rem;
  }

  .product-facts span {
    width: 100%;
  }

  .trust-row {
    grid-template-columns: 1fr;
  }

  .reviews-header {
    display: grid;
    gap: 1rem;
  }

  .reviews-summary {
    justify-self: start;
  }
}

@media (max-width: 23rem) and (max-height: 40rem) {
  .hero {
    padding-top: 1rem;
  }

  .hero-layout {
    gap: 0;
    padding-bottom: 1.5rem;
  }

  .product-art {
    display: none;
  }

  .social-proof {
    flex-wrap: nowrap;
  }

  .proof-pill {
    flex: 1 1 0;
    justify-content: center;
    padding-inline: 0.45rem;
  }

  .rating-pill > span:last-child,
  .downloads-pill > span {
    display: none;
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}