:root {
  --bg-light: #efe7dc;
  --bg-light-2: #f7f3ec;
  --bg-dark: #0b0f14;
  --bg-dark-2: #121922;
  --surface-light: rgba(255, 251, 245, 0.88);
  --surface-light-strong: #fffaf4;
  --surface-dark: rgba(255, 255, 255, 0.04);
  --surface-dark-strong: #161d27;
  --text-dark: #171c24;
  --text-dark-soft: #5f6670;
  --text-light: #f6f2ea;
  --text-light-soft: rgba(246, 242, 234, 0.74);
  --accent: #c69662;
  --accent-soft: #e6c9a6;
  --line-light: rgba(23, 28, 36, 0.12);
  --line-dark: rgba(255, 255, 255, 0.12);
  --shadow-dark: 0 32px 70px rgba(0, 0, 0, 0.34);
  --shadow-light: 0 28px 60px rgba(26, 33, 43, 0.08);
  --radius-xl: 34px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --container: min(1320px, calc(100vw - 40px));
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--text-dark);
  background:
    radial-gradient(circle at top left, rgba(198, 150, 98, 0.12), transparent 18%),
    linear-gradient(180deg, #efe7dc 0%, #f5f0e7 100%);
  font-family: "Manrope", sans-serif;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.band {
  position: relative;
}

.band::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.band-dark {
  color: var(--text-light);
  background:
    radial-gradient(circle at top right, rgba(198, 150, 98, 0.2), transparent 24%),
    linear-gradient(180deg, #0d1218 0%, #121922 100%);
}

.band-dark::before {
  background:
    repeating-linear-gradient(
      90deg,
      rgba(255, 255, 255, 0.04) 0,
      rgba(255, 255, 255, 0.04) 1px,
      transparent 1px,
      transparent 92px
    );
  opacity: 0.2;
}

.band-light {
  background:
    radial-gradient(circle at top left, rgba(198, 150, 98, 0.1), transparent 18%),
    linear-gradient(180deg, rgba(255, 251, 245, 0.84), rgba(247, 243, 236, 0.94));
}

.band-dark-detail {
  background:
    radial-gradient(circle at top left, rgba(198, 150, 98, 0.16), transparent 22%),
    linear-gradient(180deg, #0d1218 0%, #111720 100%);
}

.band-dark-footer {
  background:
    radial-gradient(circle at top right, rgba(198, 150, 98, 0.16), transparent 20%),
    linear-gradient(180deg, #101720 0%, #0b0f14 100%);
}

.site-header,
.hero,
.proof-rail,
.advantages,
.engineering,
.video-review,
.contact,
.site-footer {
  position: relative;
  z-index: 1;
  width: var(--container);
  margin: 0 auto;
}

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line-dark);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

.brand-mark {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-soft), var(--accent));
  box-shadow: 0 0 24px rgba(198, 150, 98, 0.55);
}

.brand-text {
  display: grid;
  gap: 4px;
}

.brand-text strong,
.site-nav a,
.section-kicker,
.feature-index,
.contact-label,
.proof-item span,
.video-meta span,
.site-footer span,
.site-footer a {
  font-family: "Sora", sans-serif;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.brand-text strong {
  font-size: 0.95rem;
}

.brand-text span {
  color: var(--text-light-soft);
  font-size: 0.82rem;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 18px;
}

.site-nav a {
  font-size: 0.76rem;
  color: rgba(246, 242, 234, 0.84);
}

.section-kicker {
  display: inline-block;
  color: var(--accent-soft);
  font-size: 0.74rem;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.94fr) minmax(380px, 1.06fr);
  gap: clamp(28px, 4vw, 56px);
  align-items: start;
  padding: 42px 0 54px;
}

.hero h1,
.section-heading h2,
.video-copy h2,
.contact-copy h2,
.hero-sidecard h2 {
  margin: 0;
  font-family: "Sora", sans-serif;
  font-weight: 800;
  letter-spacing: -0.04em;
}

.hero h1 {
  margin-top: 18px;
  font-size: clamp(3.7rem, 7vw, 7rem);
  line-height: 0.94;
}

.hero-lead,
.advantage-card p,
.engineering-copy p,
.video-meta p,
.contact-copy p,
.proof-item p,
.detail-card p,
.contact-note,
.contact-panel p {
  line-height: 1.82;
}

.hero-lead {
  max-width: 640px;
  margin: 22px 0 0;
  color: var(--text-light-soft);
  font-size: 1.05rem;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 28px;
}

.hero-metrics article,
.proof-item,
.advantage-card,
.hero-sidecard,
.contact-panel,
.detail-card {
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(12px);
}

.hero-metrics article {
  padding: 18px;
  background: rgba(255, 255, 255, 0.03);
}

.hero-metrics strong {
  display: block;
  font-family: "Sora", sans-serif;
  font-size: 1.55rem;
  font-weight: 800;
  letter-spacing: -0.04em;
}

.hero-metrics span {
  display: block;
  margin-top: 10px;
  color: var(--text-light-soft);
  font-size: 0.92rem;
  line-height: 1.6;
}

.hero-actions,
.video-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: 0 24px;
  border-radius: 999px;
  font-family: "Sora", sans-serif;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background 180ms ease,
    color 180ms ease;
}

.button:hover,
.button:focus-visible,
.site-nav a:hover,
.site-nav a:focus-visible,
.contact-link:hover,
.contact-link:focus-visible {
  transform: translateY(-2px);
}

.button-primary {
  color: var(--text-dark);
  background: linear-gradient(135deg, #f0deca, var(--accent));
  box-shadow: 0 20px 36px rgba(198, 150, 98, 0.28);
}

.button-secondary,
.button-ghost {
  border: 1px solid var(--line-dark);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-light);
}

.button-dark {
  color: var(--text-light);
  background: linear-gradient(135deg, #141b24, #212c39);
  box-shadow: var(--shadow-light);
}

.button-ghost {
  color: var(--text-dark);
  border-color: var(--line-light);
  background: rgba(255, 255, 255, 0.5);
}

.hero-notes {
  display: grid;
  gap: 10px;
  margin-top: 28px;
}

.hero-notes li {
  position: relative;
  padding-left: 20px;
  color: rgba(246, 242, 234, 0.86);
  font-size: 0.96rem;
}

.hero-notes li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-soft), var(--accent));
}

.hero-stage {
  display: grid;
  gap: 20px;
}

.hero-visual {
  position: relative;
  overflow: hidden;
  margin: 0;
  min-height: 780px;
  padding: 26px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  background:
    radial-gradient(circle at top, rgba(255, 255, 255, 0.55), transparent 36%),
    linear-gradient(180deg, rgba(255, 251, 245, 0.96), rgba(234, 225, 214, 0.92));
  box-shadow: var(--shadow-dark);
}

.hero-visual img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.hero-visual figcaption {
  position: absolute;
  left: 22px;
  right: 22px;
  bottom: 22px;
  display: grid;
  gap: 8px;
  padding: 18px 20px;
  border-radius: 20px;
  color: var(--text-dark);
  background: rgba(255, 250, 244, 0.82);
  backdrop-filter: blur(12px);
}

.hero-visual figcaption span {
  font-family: "Sora", sans-serif;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-dark-soft);
}

.hero-visual figcaption strong {
  font-size: 1.05rem;
  line-height: 1.5;
}

.hero-sidecard {
  padding: 24px;
  background: rgba(255, 255, 255, 0.04);
}

.hero-sidecard h2 {
  margin-top: 12px;
  font-size: clamp(1.7rem, 2vw, 2.25rem);
  line-height: 1;
}

.hero-sidecard p {
  margin: 14px 0 0;
  color: var(--text-light-soft);
}

.proof-rail {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  padding: 0 0 70px;
}

.proof-item {
  padding: 22px;
  background: rgba(255, 255, 255, 0.04);
}

.proof-item span {
  color: var(--accent-soft);
  font-size: 0.7rem;
}

.proof-item h3 {
  margin: 12px 0 0;
  font-family: "Sora", sans-serif;
  font-size: 1.55rem;
  font-weight: 700;
  letter-spacing: -0.04em;
}

.proof-item p {
  margin: 14px 0 0;
  color: var(--text-light-soft);
  font-size: 0.94rem;
}

.proof-item p + p {
  margin-top: 10px;
}

.advantages,
.engineering,
.video-review,
.contact {
  padding: 82px 0;
}

.section-heading {
  display: grid;
  gap: 14px;
  margin-bottom: 34px;
}

.section-heading h2,
.video-copy h2,
.contact-copy h2 {
  font-size: clamp(2.2rem, 4vw, 4.25rem);
  line-height: 0.98;
}

.band-light .section-kicker,
.band-light .video-meta span {
  color: var(--accent);
}

.section-heading h2,
.band-light .video-copy h2 {
  color: var(--text-dark);
}

.band-dark .section-heading h2,
.band-dark .contact-copy h2 {
  color: var(--text-light);
}

.advantage-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr 0.85fr;
  gap: 18px;
}

.advantage-card {
  padding: 26px;
  border: 1px solid var(--line-light);
  background: var(--surface-light);
  box-shadow: var(--shadow-light);
}

.advantage-card-large {
  grid-row: span 2;
  background:
    radial-gradient(circle at top right, rgba(198, 150, 98, 0.12), transparent 32%),
    var(--surface-light-strong);
}

.advantage-card h3,
.engineering-copy h3,
.video-meta h3,
.detail-card h3 {
  margin: 0;
  font-family: "Sora", sans-serif;
  font-size: 1.45rem;
  font-weight: 700;
  line-height: 1.16;
  letter-spacing: -0.03em;
}

.advantage-card p {
  margin: 14px 0 0;
  color: var(--text-dark-soft);
}

.engineering-list {
  display: grid;
  gap: 22px;
}

.engineering-card {
  display: grid;
  grid-template-columns: minmax(340px, 0.95fr) minmax(0, 1.05fr);
  gap: 0;
  overflow: hidden;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-xl);
  background: rgba(255, 255, 255, 0.05);
}

.engineering-card-reverse {
  grid-template-columns: minmax(0, 1.05fr) minmax(340px, 0.95fr);
}

.engineering-card-reverse .engineering-media {
  order: 2;
}

.engineering-card-reverse .engineering-copy {
  order: 1;
}

.engineering-media {
  display: grid;
  place-items: center;
  min-height: 380px;
  padding: 22px;
  background:
    radial-gradient(circle at top, rgba(255, 255, 255, 0.08), transparent 28%),
    linear-gradient(180deg, rgba(13, 18, 24, 0.9), rgba(11, 15, 20, 0.98));
}

.engineering-media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.engineering-copy {
  padding: clamp(28px, 4vw, 42px);
}

.feature-index {
  color: var(--accent-soft);
  font-size: 0.72rem;
}

.engineering-copy h3 {
  margin-top: 12px;
  color: var(--text-light);
}

.engineering-copy p {
  margin: 14px 0 0;
  color: var(--text-light-soft);
}

.video-switcher {
  display: grid;
  gap: 18px;
}

.video-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.video-tab {
  appearance: none;
  min-height: 50px;
  padding: 0 18px;
  border: 1px solid var(--line-light);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.48);
  color: var(--text-dark);
  cursor: pointer;
  font-family: "Sora", sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background 180ms ease,
    color 180ms ease;
}

.video-tab:hover,
.video-tab:focus-visible {
  transform: translateY(-2px);
}

.video-tab.is-active {
  color: var(--text-light);
  border-color: rgba(17, 25, 34, 0.9);
  background: linear-gradient(135deg, #131a22, #202936);
}

.video-card {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  padding: 20px;
  border: 1px solid var(--line-light);
  border-radius: var(--radius-xl);
  background: rgba(255, 255, 255, 0.62);
  box-shadow: var(--shadow-light);
}

.video-embed {
  position: relative;
  overflow: hidden;
  border-radius: 26px;
  background: linear-gradient(180deg, #11161d, #1b2430);
}

.video-embed iframe {
  width: 100%;
  aspect-ratio: 16 / 9;
  border: 0;
}

.video-fallback {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 24px;
  background: linear-gradient(180deg, rgba(12, 16, 22, 0.88), rgba(17, 23, 31, 0.96));
}

.video-fallback[hidden] {
  display: none;
}

.video-fallback-inner {
  max-width: 340px;
  padding: 28px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 24px;
  color: var(--text-light);
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
}

.video-fallback-label,
.video-card-copy span,
.video-direct-link {
  font-family: "Sora", sans-serif;
}

.video-fallback-label,
.video-card-copy span {
  display: inline-block;
  color: var(--accent);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.video-fallback-inner h3,
.video-card-copy h3 {
  margin: 12px 0 0;
  font-family: "Sora", sans-serif;
  font-size: clamp(1.5rem, 2vw, 2rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.03em;
}

.video-fallback-inner p,
.video-card-copy p {
  margin: 14px 0 0;
  color: var(--text-dark-soft);
  line-height: 1.82;
}

.video-fallback-inner p {
  color: var(--text-light-soft);
}

.video-card-copy {
  display: grid;
  align-content: start;
  gap: 0;
  margin-top: 18px;
  padding: 20px 6px 6px;
  border-top: 1px solid rgba(23, 28, 36, 0.1);
}

.video-direct-link {
  display: inline-flex;
  align-items: center;
  min-height: 54px;
  padding: 0 6px;
  color: var(--text-dark);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.video-direct-link:hover,
.video-direct-link:focus-visible {
  transform: translateY(-2px);
}

.contact {
  display: grid;
  grid-template-columns: minmax(0, 0.84fr) minmax(390px, 1.16fr);
  gap: clamp(24px, 4vw, 42px);
  align-items: start;
}

.contact-copy p {
  max-width: 620px;
  margin: 22px 0 0;
  color: var(--text-light-soft);
}

.contact-stack {
  display: grid;
  gap: 18px;
}

.contact-panel {
  padding: 24px;
  background: rgba(255, 255, 255, 0.05);
}

.contact-panel-price {
  display: grid;
  gap: 10px;
  color: var(--text-dark);
  background: linear-gradient(135deg, #f2e4d0, #c69662);
  box-shadow: 0 28px 56px rgba(198, 150, 98, 0.25);
}

.contact-panel-price strong {
  font-family: "Sora", sans-serif;
  font-size: clamp(2.4rem, 4vw, 3.2rem);
  font-weight: 800;
  letter-spacing: -0.05em;
}

.contact-panel-price p {
  margin: 0;
  color: rgba(23, 28, 36, 0.78);
}

.contact-panel-links {
  display: grid;
  gap: 12px;
}

.contact-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 20px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line-dark);
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background 180ms ease;
}

.contact-link span {
  color: var(--text-light-soft);
}

.contact-link strong {
  font-family: "Sora", sans-serif;
  font-size: 0.96rem;
  font-weight: 700;
  text-align: right;
}

.contact-link-avito {
  color: var(--text-dark);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.96), rgba(233, 237, 244, 0.92));
  border-color: rgba(255, 255, 255, 0.5);
}

.contact-link-avito span {
  color: var(--text-dark-soft);
}

.avito-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.avito-label svg {
  width: 26px;
  height: 26px;
}

.contact-note {
  color: var(--text-light-soft);
  font-size: 0.95rem;
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.detail-card {
  padding: 20px;
  background: rgba(255, 255, 255, 0.04);
}

.detail-card h3 {
  margin-top: 12px;
  color: var(--text-light);
}

.detail-card p {
  margin: 12px 0 0;
  color: var(--text-light-soft);
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  padding: 0 0 26px;
  color: rgba(246, 242, 234, 0.58);
  font-size: 0.72rem;
}

.site-footer a {
  color: rgba(246, 242, 234, 0.72);
}

.site-legal {
  width: var(--container);
  margin: 0 auto;
  padding: 0 0 28px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px 24px;
  color: rgba(246, 242, 234, 0.58);
  font-size: 0.76rem;
  line-height: 1.6;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

@media (max-width: 1180px) {
  .hero,
  .video-review,
  .contact,
  .engineering-card,
  .engineering-card-reverse {
    grid-template-columns: 1fr;
  }

  .advantage-grid,
  .proof-rail,
  .detail-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .engineering-card-reverse .engineering-media,
  .engineering-card-reverse .engineering-copy {
    order: initial;
  }

  .hero-visual {
    min-height: 640px;
  }
}

@media (max-width: 860px) {
  :root {
    --container: min(100vw - 24px, 100%);
  }

  .site-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero,
  .advantages,
  .engineering,
  .video-review,
  .contact {
    padding-top: 60px;
    padding-bottom: 60px;
  }

  .hero-metrics,
  .advantage-grid,
  .proof-rail,
  .detail-grid {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    overflow: visible;
    min-height: auto;
    padding: 18px;
  }

  .hero-visual figcaption,
  .contact-link {
    position: static;
  }

  .hero-visual img {
    height: auto;
  }

  .hero-visual figcaption {
    margin-top: 14px;
  }

  .site-nav {
    gap: 12px;
  }

  .site-nav a {
    font-size: 0.68rem;
  }

  .contact-link {
    flex-direction: column;
    align-items: flex-start;
  }

  .contact-link strong {
    text-align: left;
  }

  .button {
    width: 100%;
  }
}