:root {
  --bg: #f3f5f7;
  --bg-2: #e7ebef;
  --card: #ffffff;
  --line: rgba(20, 28, 36, 0.1);
  --text: #1a1f26;
  --muted: #5c6570;
  --accent: #5ad0ff;
  --accent-2: #1aa6d6;
  --green: #009700;
  --blue: #1aa6d6;
  --telegram: #2aabee;
  --radius: 18px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Manrope, system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

a {
  color: inherit;
}

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

.top {
  position: sticky;
  top: 0;
  z-index: 10;
  padding: 12px 5vw;
  background: #fff;
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.top-links {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 18px 28px;
  flex-wrap: wrap;
  width: 100%;
}

.nav-break {
  display: none;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  border-radius: 999px;
  padding: 8px 14px;
  font-size: 14px;
  font-weight: 700;
  border: 1px solid var(--line);
}

.btn-ghost {
  background: #fff;
}

.btn-accent {
  background: var(--green);
  color: #fff;
  border-color: transparent;
}

.btn-telegram {
  background: var(--telegram);
  color: #fff;
  border-color: transparent;
}

.btn-lg {
  padding: 14px 22px;
  font-size: 16px;
}

main {
  padding: 0 6vw 80px;
}

.hero {
  max-width: 100%;
  padding: 56px 0 12px;
}

h1 {
  font-size: clamp(26px, 4.2vw, 40px);
  line-height: 1.35;
  margin: 0 0 16px;
  letter-spacing: -0.03em;
  color: var(--blue);
}

.lead {
  font-size: 18px;
  color: var(--muted);
  max-width: 720px;
  margin: 0 0 28px;
}

.feature-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.feature-nav a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 18px;
  text-decoration: none;
  font-weight: 700;
  font-size: 15px;
  color: var(--text);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  transition: border-color 0.15s ease, background 0.15s ease, transform 0.15s ease;
}

.feature-nav a:hover {
  border-color: rgba(90, 208, 255, 0.55);
  background: rgba(90, 208, 255, 0.1);
  transform: translateY(-1px);
}

.feature-nav a.feature-nav-video {
  color: var(--blue);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.video-wrap {
  display: flex;
  justify-content: center;
  margin: 20px 0 0;
}

.video-frame {
  width: min(100%, 420px);
  border-radius: 20px;
  overflow: hidden;
  background: #000;
  border: 1px solid var(--line);
  box-shadow: 0 18px 50px rgba(26, 166, 214, 0.18);
}

.section {
  max-width: 1100px;
  margin: 0 auto 88px;
  scroll-margin-top: 88px;
}

.hero + .section {
  margin-top: 48px;
}

h2 {
  font-size: clamp(26px, 3vw, 36px);
  margin: 0 0 18px;
  letter-spacing: -0.03em;
}

.kicker {
  margin: 0 0 8px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.feature {
  padding: 28px 28px 30px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 22px;
}

.feature p {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 18px;
  max-width: 640px;
}

.feature p:last-child {
  margin-bottom: 0;
}

.feature-copy {
  margin-bottom: 20px;
}

.feature-shots {
  margin-top: 18px;
}

.feature-video {
  justify-content: flex-start;
}

.models {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.model-card {
  margin: 0;
  border-radius: 12px;
  overflow: hidden;
}

.model-card img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  background: var(--bg-2);
}

.shots {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.shots img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: var(--card);
}

.panel {
  padding: 32px 28px 36px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 24px;
}

.steps {
  list-style: none;
  padding: 0;
  margin: 8px 0 0;
  display: grid;
  gap: 14px;
}

.steps li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  padding: 22px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.steps strong {
  font-size: 18px;
}

.steps span {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--bg-2);
  color: var(--text);
  font-weight: 800;
}

.steps p {
  margin: 6px 0 0;
  color: var(--muted);
}

.prices {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 8px;
}

.price-card {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
}

.price-card h3 {
  margin: 0 0 8px;
  font-size: 22px;
}

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

.price-card li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
  color: var(--text);
  font-size: 17px;
}

.price-card li span {
  min-width: 0;
}

.price-card b {
  color: var(--text);
  font-size: 22px;
  font-weight: 800;
  white-space: nowrap;
  flex-shrink: 0;
}

.contact .hero-actions {
  margin-bottom: 16px;
}

.contact .phone {
  font-size: 28px;
  font-weight: 700;
  margin: 0;
}

.contact .phone a {
  text-decoration: none;
}

.foot {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  padding: 24px 6vw 40px;
  color: var(--muted);
  border-top: 1px solid var(--line);
  font-size: 14px;
}

@media (min-width: 1100px) {
  .feature-nav {
    flex-wrap: nowrap;
  }

  .feature-nav a {
    white-space: nowrap;
    padding: 12px 14px;
    font-size: 14px;
  }
}

@media (min-width: 1180px) {
  h1 {
    white-space: nowrap;
    font-size: 34px;
  }
}

@media (max-width: 900px) {
  .models,
  .shots,
  .prices {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 720px) {
  .top-links {
    justify-content: center;
    gap: 12px 16px;
  }

  .nav-break {
    display: block;
    flex-basis: 100%;
    height: 0;
  }

  .btn {
    font-size: 13px;
  }

  .hero {
    padding-top: 36px;
    text-align: center;
  }

  h1 {
    white-space: normal;
  }

  .lead {
    margin-left: auto;
    margin-right: auto;
  }

  .feature-nav {
    justify-content: center;
  }

  .feature-nav a {
    flex: 1 1 calc(50% - 12px);
  }

  .section h2,
  .kicker {
    text-align: center;
  }

  .feature p {
    margin-left: auto;
    margin-right: auto;
    text-align: center;
  }

  .feature-video {
    justify-content: center;
  }

  .models,
  .shots,
  .prices {
    grid-template-columns: 1fr;
  }

  .panel,
  .feature {
    padding: 22px 18px;
  }

  .price-card h3 {
    text-align: center;
  }

  .price-card b {
    font-size: 18px;
  }

  .contact {
    text-align: center;
  }

  .contact .hero-actions {
    justify-content: center;
  }
}