:root {
  --bg: #020617;
  --bg-alt: #020617;
  --fg: #e5e7eb;
  --muted: #9ca3af;
  --accent: #38bdf8;
  --border: #1f2937;
  --radius: 16px;
  --font: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

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

body {
  margin: 0;
  font-family: var(--font);
  background: radial-gradient(circle at top, #0f172a, #020617 55%);
  color: var(--fg);
}

a {
  color: var(--accent);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

.site-header,
.site-footer {
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.site-footer {
  border-top: 1px solid var(--border);
  border-bottom: none;
  font-size: 0.85rem;
  flex-wrap: wrap;
  gap: 8px;
}

.logo {
  font-weight: 600;
}

.nav a {
  margin-left: 16px;
  font-size: 0.9rem;
}

main {
  max-width: 1040px;
  margin: 0 auto;
  padding: 32px 16px 48px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
  gap: 32px;
  align-items: center;
  margin-bottom: 40px;
}

.hero-copy h1 {
  font-size: clamp(2.1rem, 3vw, 2.6rem);
  margin-bottom: 12px;
}
.hero-copy p {
  color: var(--muted);
  max-width: 460px;
  margin-bottom: 20px;
}

.hero-card {
  background: rgba(15, 23, 42, 0.96);
  border-radius: var(--radius);
  padding: 20px 20px 22px;
  border: 1px solid var(--border);
  box-shadow: 0 20px 40px rgba(15, 23, 42, 0.8);
}
.hero-card h2 {
  margin-top: 0;
  margin-bottom: 12px;
  font-size: 1.1rem;
}

.section {
  margin-bottom: 40px;
}
.section-alt {
  background: rgba(15, 23, 42, 0.7);
  border-radius: var(--radius);
  padding: 24px 20px;
  border: 1px solid var(--border);
}
.section h2 {
  margin-top: 0;
}
.section-note {
  color: var(--muted);
  font-size: 0.9rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}
.grid h3 {
  margin-bottom: 6px;
}
.grid ul {
  margin: 0;
  padding-left: 18px;
  font-size: 0.95rem;
}

.bullets {
  margin: 0;
  padding-left: 18px;
  font-size: 0.95rem;
}
.bullets li + li {
  margin-top: 4px;
}

details {
  margin-bottom: 8px;
  padding: 8px 10px;
  border-radius: 8px;
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid var(--border);
}
summary {
  cursor: pointer;
  font-weight: 500;
}

form {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
label {
  display: flex;
  flex-direction: column;
  font-size: 0.9rem;
}
input,
textarea {
  margin-top: 4px;
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #020617;
  color: var(--fg);
  font: inherit;
}
input:focus,
textarea:focus {
  outline: 1px solid var(--accent);
}

.btn-primary {
  margin-top: 4px;
  padding: 10px 14px;
  border-radius: 999px;
  border: none;
  background: var(--accent);
  color: #020617;
  font-weight: 600;
  cursor: pointer;
}
.btn-primary:hover {
  filter: brightness(1.08);
}

.form-note {
  font-size: 0.75rem;
  color: var(--muted);
}

/* Simple pages (privacy, standalone form) */
.simple-page main {
  max-width: 720px;
}
.centered-card {
  max-width: 460px;
  margin: 40px auto;
  background: rgba(15, 23, 42, 0.96);
  border-radius: var(--radius);
  padding: 24px 22px 26px;
  border: 1px solid var(--border);
  box-shadow: 0 20px 40px rgba(15, 23, 42, 0.8);
}
.centered-card h1 {
  margin-top: 0;
  margin-bottom: 10px;
}
.centered-card p {
  color: var(--muted);
  font-size: 0.95rem;
}

.stack-form {
  margin-top: 12px;
}

.text-page {
  margin: 40px auto;
  background: rgba(15, 23, 42, 0.9);
  border-radius: var(--radius);
  padding: 24px 22px 26px;
  border: 1px solid var(--border);
}
.text-page h1 {
  margin-top: 0;
}

@media (max-width: 768px) {
  .hero {
    grid-template-columns: minmax(0, 1fr);
  }
  .site-header,
  .site-footer {
    flex-direction: column;
    align-items: flex-start;
  }
  .nav {
    margin-top: 8px;
  }
}