:root {
  color-scheme: dark;
  --bg: #111316;
  --panel: #1b2026;
  --text: #f4f7fb;
  --muted: #a9b5c1;
  --line: #36404a;
  --green: #79f2a6;
}

* {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--text);
  background:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    var(--bg);
  background-size: 28px 28px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.shell {
  width: min(860px, calc(100% - 32px));
  min-height: 100vh;
  margin: 0 auto;
  padding: 48px 0 32px;
  display: grid;
  align-content: center;
  gap: 24px;
}

.hero {
  display: block;
}

.hero-copy {
  border: 1px solid var(--line);
  background: rgba(27, 32, 38, 0.94);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.32);
}

.hero-copy {
  min-height: 440px;
  padding: clamp(28px, 5vw, 64px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  border-radius: 8px;
  position: relative;
  overflow: hidden;
}

.hero-copy::before {
  content: "";
  position: absolute;
  inset: 0;
  border-left: 5px solid var(--green);
  pointer-events: none;
}

h1 {
  margin: 0 0 16px;
  font-size: clamp(4rem, 7vw, 7.5rem);
  line-height: 0.92;
  letter-spacing: 0;
}

.intro {
  max-width: 620px;
  margin: 0;
  color: var(--muted);
  font-size: clamp(1.15rem, 2vw, 1.55rem);
  line-height: 1.5;
}

@media (max-width: 820px) {
  .shell {
    width: min(100% - 24px, 680px);
    padding: 24px 0;
    align-content: start;
  }

  .hero-copy {
    min-height: 320px;
  }

  h1 {
    font-size: clamp(3.2rem, 18vw, 5.6rem);
  }
}