:root {
  color-scheme: dark;
  --bg: #05070c;
  --panel: rgba(255, 255, 255, 0.08);
  --panel-strong: rgba(255, 255, 255, 0.94);
  --text: #f9fafb;
  --muted: #b7c0cc;
  --ink: #121926;
  --red: #f42b2b;
  --red-dark: #9d0d17;
  --line: rgba(255, 255, 255, 0.16);
  --shadow: 0 30px 80px rgba(0, 0, 0, 0.42);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 20% 20%, rgba(244, 43, 43, 0.18), transparent 28rem),
    radial-gradient(circle at 78% 36%, rgba(244, 43, 43, 0.14), transparent 24rem),
    linear-gradient(180deg, #02050a 0%, #07101a 48%, #05070c 100%);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", sans-serif;
  letter-spacing: 0;
}

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

.shell {
  margin: 0 auto;
  max-width: 1180px;
  padding: 0 20px;
}

.nav {
  align-items: center;
  display: flex;
  gap: 24px;
  justify-content: space-between;
  padding: 22px 0;
}

.brand {
  align-items: center;
  display: flex;
  gap: 12px;
  font-weight: 800;
}

.brand img {
  border-radius: 14px;
  height: 42px;
  width: 42px;
}

.brand b span,
.accent {
  color: var(--red);
}

.links {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  font-size: 14px;
}

.download,
.button {
  align-items: center;
  background: linear-gradient(180deg, #ff3b33, #d71920);
  border: 0;
  border-radius: 12px;
  color: #fff;
  display: inline-flex;
  font-weight: 800;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  box-shadow: 0 16px 36px rgba(244, 43, 43, 0.28);
}

.button.secondary {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--line);
  box-shadow: none;
}

.hero {
  align-items: center;
  display: grid;
  gap: 48px;
  grid-template-columns: 1.05fr 0.95fr;
  min-height: 710px;
  padding: 46px 0 78px;
}

.eyebrow {
  color: #ff8a8a;
  font-weight: 800;
  margin-bottom: 16px;
}

h1,
h2,
h3,
p {
  margin: 0;
}

h1 {
  font-size: clamp(44px, 7vw, 84px);
  line-height: 0.95;
}

h2 {
  font-size: clamp(32px, 4vw, 54px);
  line-height: 1;
}

h3 {
  color: var(--ink);
  font-size: 20px;
}

.lead {
  color: var(--muted);
  font-size: 20px;
  line-height: 1.55;
  margin-top: 22px;
  max-width: 620px;
}

.cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.trust {
  color: var(--muted);
  display: grid;
  gap: 8px;
  margin-top: 28px;
}

.stars {
  color: #ffcf4a;
  font-weight: 900;
}

.phone-stage {
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.15), rgba(255, 255, 255, 0.04));
  border: 1px solid var(--line);
  border-radius: 38px;
  box-shadow: var(--shadow);
  padding: 16px;
  transform: rotate(3deg);
}

.phone-stage img {
  border-radius: 28px;
  display: block;
  width: 100%;
}

.white-band {
  background: #f7f7f8;
  color: var(--ink);
  padding: 72px 0;
}

.section-head {
  margin: 0 auto 34px;
  max-width: 720px;
  text-align: center;
}

.section-head p {
  color: #5e6673;
  line-height: 1.6;
  margin-top: 12px;
}

.feature-grid,
.audience-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(3, 1fr);
}

.feature,
.audience,
.faq-item,
.contact-card {
  background: #fff;
  border: 1px solid #e8e9ed;
  border-radius: 18px;
  box-shadow: 0 16px 40px rgba(18, 25, 38, 0.08);
  padding: 22px;
}

.feature .icon,
.audience .icon {
  align-items: center;
  background: #fff0f0;
  border-radius: 14px;
  color: var(--red);
  display: inline-flex;
  font-weight: 900;
  height: 42px;
  justify-content: center;
  margin-bottom: 14px;
  width: 42px;
}

.feature p,
.audience p,
.faq-item p,
.contact-card p {
  color: #5e6673;
  line-height: 1.55;
  margin-top: 8px;
}

.dark-section {
  padding: 82px 0;
}

.demo-grid {
  align-items: center;
  display: grid;
  gap: 40px;
  grid-template-columns: repeat(2, 1fr);
}

.screens {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(2, 1fr);
}

.screens img {
  border: 1px solid var(--line);
  border-radius: 28px;
  box-shadow: var(--shadow);
  width: 100%;
}

.steps {
  display: grid;
  gap: 18px;
}

.step {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 22px;
}

.step h3 {
  color: #fff;
}

.step p {
  color: var(--muted);
  line-height: 1.55;
  margin-top: 8px;
}

.pricing {
  background: linear-gradient(145deg, rgba(244, 43, 43, 0.18), rgba(255, 255, 255, 0.08));
  border: 1px solid var(--line);
  border-radius: 28px;
  box-shadow: var(--shadow);
  display: grid;
  gap: 16px;
  margin-top: 34px;
  padding: 28px;
  text-align: center;
}

.price {
  font-size: 46px;
  font-weight: 900;
}

.faq-grid {
  display: grid;
  gap: 14px;
}

.contact-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: 1.2fr 0.8fr;
}

.form {
  display: grid;
  gap: 12px;
}

.field {
  background: #f7f7f8;
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  color: var(--ink);
  min-height: 46px;
  padding: 12px 14px;
  width: 100%;
}

textarea.field {
  min-height: 138px;
  resize: vertical;
}

.footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
  padding: 34px 0;
}

.footer-grid {
  align-items: center;
  display: flex;
  gap: 18px;
  justify-content: space-between;
}

.language-switch {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.language-switch a {
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: 13px;
  padding: 6px 10px;
}

.legal-page {
  min-height: 70vh;
  padding: 80px 0;
}

.legal-page h1 {
  color: var(--ink);
  font-size: clamp(38px, 5vw, 68px);
  letter-spacing: 0;
  margin: 0 0 16px;
}

@media (max-width: 860px) {
  .hero,
  .demo-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

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

  .links {
    display: none;
  }

  .phone-stage {
    transform: none;
  }
}