:root {
  color: #f7f7f8;
  background: #090a0c;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  color-scheme: dark;
}

* { box-sizing: border-box; }
body { margin: 0; background: #090a0c; }
a { color: #69b7ff; }

.site-header, footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: min(1040px, calc(100% - 40px));
  margin: 0 auto;
  padding: 20px 0;
}

.site-header nav, footer nav { display: flex; gap: 20px; }
.site-header a, footer a { text-decoration: none; }
.brand { display: flex; align-items: center; gap: 10px; color: #f7f7f8; font-weight: 700; }
.brand img { border-radius: 9px; }
main { width: min(1040px, calc(100% - 40px)); margin: 0 auto; }

.hero {
  min-height: 650px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  padding: 80px 0 100px;
}

.app-icon { border-radius: 34px; box-shadow: 0 18px 60px rgba(0, 0, 0, .48); }
.eyebrow { margin: 28px 0 8px; color: #69b7ff; font-size: 15px; font-weight: 700; text-transform: uppercase; }
h1 { margin: 0; max-width: 760px; font-size: clamp(48px, 9vw, 88px); line-height: 1.02; letter-spacing: 0; }
h2 { margin: 0 0 28px; font-size: 32px; line-height: 1.2; }
h3 { margin: 0 0 8px; font-size: 20px; }
p { font-size: 17px; }
.lead { max-width: 690px; margin: 28px 0; color: #b8bac0; font-size: 21px; }

.download {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  border-radius: 8px;
  background: #0a84ff;
  color: #fff;
  font-weight: 700;
  text-decoration: none;
}

.trial, .muted { color: #8e9098; }
.trial { margin-top: 12px; font-size: 14px; }
.features, .languages, .faq { padding: 76px 0; border-top: 1px solid #24262b; }
.feature-grid, .language-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 32px; }
.feature-grid p, .language-grid p, .faq p { color: #b8bac0; }
.language-grid article { min-width: 0; }
details { border-top: 1px solid #2f3137; padding: 20px 0; }
details:last-child { border-bottom: 1px solid #2f3137; }
summary { cursor: pointer; font-size: 19px; font-weight: 650; }
footer { border-top: 1px solid #24262b; color: #8e9098; }

body > main:not(:has(.hero)) { max-width: 720px; padding: 56px 0 80px; }
body > main:not(:has(.hero)) h1 { font-size: 42px; }
body > main:not(:has(.hero)) h2 { margin-top: 36px; font-size: 21px; }
body > main:not(:has(.hero)) nav { display: flex; gap: 20px; margin-top: 36px; }

@media (max-width: 720px) {
  .site-header, footer, main { width: min(100% - 32px, 1040px); }
  .site-header { align-items: flex-start; }
  .site-header nav { gap: 12px; }
  .hero { min-height: auto; padding: 64px 0 80px; }
  .app-icon { width: 112px; height: 112px; border-radius: 24px; }
  h1 { font-size: 52px; }
  .lead { font-size: 19px; }
  .feature-grid, .language-grid { grid-template-columns: 1fr; gap: 24px; }
  .features, .languages, .faq { padding: 56px 0; }
  footer { align-items: flex-start; flex-direction: column; }
}
