*,
*::before,
*::after {
  box-sizing: border-box;
}

:root {
  --bg: #121212;
  --bg-elevated: #0a0a0a;
  --bg-panel: #141414;
  --text: #bbf7d0;
  --text-muted: #86efac;
  --text-dim: #4ade80;
  --accent: #22c55e;
  --accent-hover: #16a34a;
  --border: #333333;
  --max-width: 1080px;
  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial,
    sans-serif;
  --font-mono: ui-monospace, "Cascadia Code", "Source Code Pro", Menlo, Monaco,
    Consolas, monospace;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text);
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(34, 197, 94, 0.12), transparent),
    var(--bg);
}

a {
  color: var(--text-dim);
  text-decoration: none;
}

a:hover {
  color: var(--accent);
}

img {
  display: block;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1.25rem 1.5rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-mono);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--accent);
}

.brand:hover {
  color: var(--text-bright, #bbf7d0);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.site-nav a:not(.btn) {
  padding: 0.35rem 0.5rem;
  font-size: 0.9375rem;
  color: var(--text-muted);
}

main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem 4rem;
}

.hero {
  padding: 4rem 0 5rem;
  text-align: center;
}

.eyebrow {
  display: inline-block;
  margin: 0 0 1rem;
  padding: 0.35rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(20, 20, 20, 0.8);
}

.hero h1 {
  margin: 0 auto 1.25rem;
  max-width: 18ch;
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text);
}

.lead {
  margin: 0 auto 2rem;
  max-width: 52ch;
  font-size: 1.125rem;
  color: var(--text-muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.55rem 1.1rem;
  border: 1px solid transparent;
  border-radius: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1.2;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.btn-lg {
  padding: 0.8rem 1.35rem;
  font-size: 0.9375rem;
}

.btn-primary {
  color: #052e16;
  background: var(--accent);
  border-color: var(--accent);
}

.btn-primary:hover {
  color: #052e16;
  background: var(--accent-hover);
  border-color: var(--accent-hover);
}

.btn-ghost {
  color: var(--text-dim);
  background: transparent;
  border-color: var(--border);
}

.btn-ghost:hover {
  color: var(--text);
  border-color: var(--text-dim);
  background: rgba(255, 255, 255, 0.03);
}

.features {
  padding: 1rem 0 4rem;
}

.features h2,
.cta h2 {
  margin: 0 0 2rem;
  text-align: center;
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 600;
  color: var(--text);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.feature-card {
  padding: 1.35rem;
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  background: var(--bg-panel);
}

.feature-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--accent);
}

.feature-card p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--text-muted);
}

.cta {
  margin-top: 1rem;
  padding: 3rem 1.5rem;
  text-align: center;
  border: 1px solid var(--border);
  border-radius: 1rem;
  background: linear-gradient(180deg, var(--bg-panel), var(--bg-elevated));
}

.cta p {
  margin: 0 0 1.5rem;
  color: var(--text-muted);
}

.site-footer {
  border-top: 1px solid var(--border);
  background: var(--bg-elevated);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1.5rem;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1.5rem;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.copyright {
  margin: 0;
}

.site-footer p {
  margin: 0;
}

.legal {
  max-width: 42rem;
  padding: 2rem 0 4rem;
}

.legal h1 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 700;
}

.legal-meta {
  margin: 0 0 2rem;
  font-size: 0.875rem;
  color: var(--text-dim);
}

.legal h2 {
  margin: 2rem 0 0.75rem;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text);
}

.legal h3 {
  margin: 1.25rem 0 0.5rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--accent);
}

.legal p,
.legal li {
  color: var(--text-muted);
}

.legal ul {
  margin: 0.5rem 0 1rem;
  padding-left: 1.25rem;
}

.legal li {
  margin-bottom: 0.35rem;
}

.legal a {
  color: var(--text-dim);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.legal ol {
  margin: 0.5rem 0 1rem;
  padding-left: 1.35rem;
  color: var(--text-muted);
}

.legal ol li {
  margin-bottom: 0.35rem;
}

@media (max-width: 640px) {
  .site-nav a:not(.btn) {
    display: none;
  }

  .hero {
    padding-top: 2.5rem;
  }
}