:root {
  color-scheme: dark;
  font-family: "Segoe UI", "SF Pro Text", "Helvetica Neue", sans-serif;
  --bg: #08111d;
  --panel: rgba(15, 24, 41, 0.82);
  --text: #eef4ff;
  --muted: #a7b7d4;
  --line: rgba(177, 197, 229, 0.14);
  --accent: #74e0b8;
  --accent-strong: #1fb67a;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(116, 224, 184, 0.17), transparent 25%),
    radial-gradient(circle at right, rgba(74, 120, 255, 0.12), transparent 20%),
    linear-gradient(180deg, #07101c 0%, #0d1728 100%);
}

.shell {
  width: min(960px, 100%);
  margin: 0 auto;
  min-height: 100vh;
  display: grid;
  align-content: center;
  gap: 24px;
  padding: 32px 24px;
}

.hero,
.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 28px;
  box-shadow: 0 24px 72px rgba(3, 8, 20, 0.34);
  backdrop-filter: blur(16px);
}

.hero {
  display: grid;
  gap: 18px;
  padding: 32px;
}

.logo {
  width: min(280px, 100%);
  height: auto;
}

.eyebrow {
  margin: 0;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.78rem;
}

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

h1 {
  font-size: clamp(2rem, 5vw, 3.4rem);
  line-height: 1.05;
}

.copy {
  max-width: 42rem;
  color: var(--muted);
  line-height: 1.6;
  font-size: 1.05rem;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 18px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
}

.button.primary {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-strong) 100%);
  color: #04141a;
}

.button.secondary {
  border: 1px solid var(--line);
  color: var(--text);
  background: rgba(255, 255, 255, 0.03);
}

.card {
  padding: 24px 28px;
}

.card ul {
  padding-left: 20px;
  color: var(--muted);
  line-height: 1.8;
}

@media (max-width: 720px) {
  .hero,
  .card {
    padding: 24px;
  }
}
