:root {
  color-scheme: dark;
  --bg: #050607;
  --bg-elev: #111418;
  --text: #f6f7f8;
  --muted: #9aa3af;
  --accent: #10b981;
  --accent-hover: #34d399;
  --border: #20252d;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: radial-gradient(circle at top, #0e1512 0%, var(--bg) 45%);
  color: var(--text);
}

.site-header,
.site-footer,
.container {
  width: min(1100px, 92vw);
  margin: 0 auto;
}

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 0;
}

.logo {
  font-weight: 900;
  letter-spacing: 0.04em;
}

.container {
  padding: 20px 0 60px;
}

.container.narrow {
  width: min(760px, 92vw);
}

.hero {
  padding: 42px 0 30px;
}

.hero.centered {
  text-align: center;
}

.eyebrow {
  color: #7ef2cb;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 12px;
  font-weight: 700;
}

h1 {
  margin: 8px 0 14px;
  font-size: clamp(2rem, 6vw, 3.5rem);
  line-height: 1.1;
}

h2 {
  margin: 0 0 8px;
  font-size: 1.2rem;
}

p {
  color: var(--muted);
  line-height: 1.6;
}

.grid.three {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 26px;
}

.card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 18px;
}

.result-card {
  margin: 24px auto 0;
  max-width: 420px;
}

.actions {
  display: flex;
  gap: 12px;
  margin-top: 18px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  text-decoration: none;
  font-weight: 700;
  padding: 12px 18px;
  border: 1px solid var(--border);
  transition: transform 0.15s ease, background 0.15s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn.primary {
  color: #fff;
  background: var(--accent);
  border-color: #2cbf95;
}

.btn.primary:hover {
  background: var(--accent-hover);
}

.btn.secondary {
  color: #fff;
  background: #0a0d10;
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 22px 0 34px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--muted);
  font-size: 14px;
}

.site-footer nav {
  display: flex;
  gap: 16px;
}

a {
  color: #bcead9;
}

.legal ul {
  color: var(--muted);
}

@media (max-width: 800px) {
  .grid.three {
    grid-template-columns: 1fr;
  }
  .site-footer {
    flex-direction: column;
    gap: 10px;
  }
}