:root {
  --bg: #0a0e14;
  --panel: #11161f;
  --ink: #e6edf3;
  --muted: #93a1b1;
  --line: #1f2730;
  --accent: #4fd1c5;
  --accent-2: #7c9cff;
  --max: 1080px;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font:
    16px/1.6 -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    Roboto,
    Helvetica,
    Arial,
    sans-serif;
  -webkit-font-smoothing: antialiased;
}
a {
  color: var(--accent);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}
.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
}
.narrow {
  max-width: 760px;
}
h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  line-height: 1.1;
  margin: 0 0 18px;
  letter-spacing: -0.02em;
}
h2 {
  font-size: clamp(1.4rem, 3vw, 2rem);
  margin: 2rem 0 14px;
  letter-spacing: -0.01em;
}
h3 {
  font-size: 1.05rem;
  margin: 1.5rem 0 8px;
}
p,
li {
  color: var(--muted);
}
.lead {
  font-size: 1.15rem;
  color: #c4d0dd;
  max-width: 720px;
}
.eyebrow {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 14px;
  margin-bottom: 22px;
}
.kicker {
  color: var(--accent);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
/* top nav */
.topnav {
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  background: rgba(10, 14, 20, 0.85);
  backdrop-filter: blur(8px);
  z-index: 10;
}
.topnav .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}
.brand {
  font-weight: 800;
  font-size: 1.2rem;
  color: var(--ink);
}
.brand span {
  color: var(--accent);
}
.navlinks a {
  color: var(--muted);
  margin-left: 22px;
  font-size: 14px;
}
.navlinks a:hover {
  color: var(--ink);
  text-decoration: none;
}
/* buttons */
.btn {
  display: inline-block;
  padding: 13px 22px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  border: 1px solid transparent;
}
.btn-primary {
  background: var(--accent);
  color: #04201d;
}
.btn-primary:hover {
  filter: brightness(1.08);
  text-decoration: none;
}
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}
.btn-ghost:hover {
  border-color: var(--accent-2);
  text-decoration: none;
}
/* sections / cards */
section {
  padding: 64px 0;
  border-bottom: 1px solid var(--line);
}
.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 24px;
}
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}
.center {
  text-align: center;
}
/* prose (blog + legal) */
.prose {
  max-width: 760px;
  margin: 0 auto;
  padding: 56px 24px;
}
.prose h1 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
}
.prose p,
.prose li {
  color: #c4d0dd;
}
.prose .meta {
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 28px;
}
.prose a {
  color: var(--accent-2);
}
.prose code {
  background: #0c1119;
  border: 1px solid var(--line);
  border-radius: 5px;
  padding: 1px 5px;
  font-size: 0.9em;
}
/* form */
form.audit {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  max-width: 520px;
}
form.audit input {
  flex: 1 1 240px;
  padding: 13px 14px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #0c1119;
  color: var(--ink);
  font-size: 15px;
}
form.audit input:focus {
  outline: none;
  border-color: var(--accent-2);
}
.hp {
  position: absolute;
  left: -9999px;
} /* honeypot */
.formnote {
  font-size: 13px;
  color: var(--muted);
  margin-top: 12px;
}
.formok {
  color: var(--accent);
}
.formerr {
  color: #ff8a8a;
}
/* footer */
footer.site {
  padding: 40px 0;
  color: var(--muted);
  font-size: 13px;
  border-top: 1px solid var(--line);
}
footer.site .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: space-between;
  align-items: center;
}
footer.site a {
  color: var(--muted);
  margin-right: 18px;
}
footer.site a:hover {
  color: var(--ink);
}
@media (max-width: 760px) {
  .grid-3,
  .grid-2 {
    grid-template-columns: 1fr;
  }
}