:root {
  color-scheme: dark;
  --bg: #0b0e0b;
  --surface: #111611;
  --text: #f2f4ef;
  --muted: #969d91;
  --line: #293027;
  --accent: #b9ff4f;
  font-family: Arial, Helvetica, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: radial-gradient(circle at 75% 20%, #172016 0, var(--bg) 38rem);
  color: var(--text);
}

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

.header,
main,
footer {
  width: min(100%, 90rem);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 5vw, 5rem);
}

.header {
  display: flex;
  min-height: 6rem;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-size: 0.78rem;
  font-weight: 700;
  line-height: 1.05;
  text-transform: uppercase;
}

.mark {
  display: grid;
  width: 2.4rem;
  aspect-ratio: 1;
  place-items: center;
  border-radius: 50%;
  background: var(--accent);
  color: #11170c;
  font-size: 1rem;
}

.language {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.hero {
  display: grid;
  min-height: 68vh;
  align-content: center;
  padding-block: clamp(4rem, 10vw, 9rem);
  border-bottom: 1px solid var(--line);
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin: 0;
  color: var(--muted);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.eyebrow span {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 1rem #b9ff4f66;
}

h1 {
  margin: clamp(2rem, 5vw, 4rem) 0;
  font-size: clamp(3rem, 9vw, 8rem);
  font-weight: 500;
  line-height: 0.92;
  letter-spacing: -0.055em;
}

h1 strong { color: var(--accent); font-weight: 500; }

.hero-footer {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 2rem;
}

.hero-footer p {
  max-width: 38rem;
  margin: 0;
  color: var(--muted);
  font-size: clamp(1rem, 2vw, 1.25rem);
  line-height: 1.6;
}

.button {
  display: inline-flex;
  min-width: 12rem;
  justify-content: space-between;
  gap: 2rem;
  padding: 1rem 1.1rem;
  background: var(--accent);
  color: #11170c;
  font-weight: 700;
}

.services {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-bottom: 1px solid var(--line);
}

.services article {
  min-height: 15rem;
  padding: 2rem;
  border-left: 1px solid var(--line);
}

.services article:last-child { border-right: 1px solid var(--line); }
.services span { color: var(--muted); font-size: 0.72rem; }
.services h2 { margin: 3rem 0 0.8rem; font-size: 1.6rem; }
.services p { margin: 0; color: var(--muted); line-height: 1.6; }

footer {
  display: flex;
  min-height: 7rem;
  align-items: center;
  justify-content: space-between;
  color: var(--muted);
  font-size: 0.8rem;
}

footer a { color: var(--text); }

@media (max-width: 700px) {
  .hero-footer { align-items: stretch; flex-direction: column; }
  .button { width: 100%; }
  .services { grid-template-columns: 1fr; }
  .services article { min-height: auto; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
  footer { align-items: flex-start; flex-direction: column; justify-content: center; gap: 0.8rem; }
}