:root {
  color-scheme: dark;
  --background: #000;
  --surface: #0a0a0a;
  --surface-soft: #101414;
  --border: #202727;
  --text: #fff;
  --muted: #a3adad;
  --primary: #00d4aa;
  --primary-dark: #002f29;
  --cyan: #00a8d8;
  --warning: #f6c85f;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(
      circle at 85% 0%,
      rgba(0, 212, 170, 0.13),
      transparent 30rem
    ),
    var(--background);
  color: var(--text);
  font-family:
    "Sora",
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  line-height: 1.65;
}

a {
  color: var(--primary);
  text-underline-offset: 0.2em;
}

a:hover {
  color: #4ce9ca;
}

.site-header,
.site-footer {
  border-color: var(--border);
  background: rgba(0, 0, 0, 0.9);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(14px);
}

.site-footer {
  border-top: 1px solid var(--border);
  margin-top: 5rem;
}

.nav,
.footer-inner,
.page {
  width: min(100% - 2rem, 1120px);
  margin-inline: auto;
}

.nav,
.footer-inner {
  min-height: 4.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.15rem;
  color: var(--text);
  font-weight: 700;
  text-decoration: none;
}

.brand-mark {
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 0.45rem;
}

.nav-links,
.footer-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  font-size: 0.85rem;
}

.page {
  padding-top: 4.5rem;
}

.hero {
  max-width: 850px;
  margin-bottom: 3.5rem;
}

.eyebrow,
.tag {
  display: inline-flex;
  align-items: center;
  border: 1px solid rgba(0, 212, 170, 0.35);
  border-radius: 999px;
  background: rgba(0, 212, 170, 0.08);
  color: var(--primary);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.eyebrow {
  padding: 0.5rem 0.85rem;
}

.tag {
  padding: 0.25rem 0.6rem;
}

h1,
h2,
h3 {
  font-family: "Poppins", system-ui, sans-serif;
  line-height: 1.2;
}

h1 {
  margin: 1.25rem 0 1rem;
  font-size: clamp(2.25rem, 7vw, 4.75rem);
  letter-spacing: -0.045em;
}

h2 {
  margin: 0 0 1rem;
  font-size: clamp(1.55rem, 4vw, 2.35rem);
}

h3 {
  margin: 0 0 0.6rem;
  font-size: 1.05rem;
}

p,
ul,
ol {
  color: var(--muted);
}

.lead {
  max-width: 760px;
  font-size: 1.12rem;
}

.gradient-text {
  background: linear-gradient(90deg, var(--primary), var(--cyan));
  background-clip: text;
  color: transparent;
}

.cta {
  margin-top: 2rem;
  padding: clamp(1.4rem, 4vw, 2.25rem);
  border: 1px solid rgba(0, 212, 170, 0.45);
  border-radius: 1.25rem;
  background: linear-gradient(
    135deg,
    rgba(0, 212, 170, 0.14),
    rgba(0, 168, 216, 0.05)
  );
  box-shadow: 0 1.5rem 4rem rgba(0, 0, 0, 0.3);
}

.cta-label {
  margin: 0;
  color: var(--text);
  font-size: clamp(1.15rem, 3vw, 1.55rem);
}

.cta-command {
  margin: 0.65rem 0 1rem;
  color: var(--text);
  font-family: "Poppins", system-ui, sans-serif;
  font-size: clamp(1.8rem, 6vw, 3.2rem);
  font-weight: 700;
  line-height: 1.15;
}

.cta-command strong {
  color: var(--primary);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 0.75rem;
  padding: 0.75rem 1.1rem;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--primary), var(--cyan));
  color: #000;
  font-weight: 700;
  text-decoration: none;
}

.button:hover {
  color: #000;
  filter: brightness(1.08);
}

.section {
  margin-top: 4rem;
  scroll-margin-top: 6rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.card,
.message,
.notice {
  border: 1px solid var(--border);
  border-radius: 1rem;
  background: var(--surface);
}

.card,
.notice {
  padding: 1.25rem;
}

.card p:last-child,
.notice p:last-child {
  margin-bottom: 0;
}

.flow {
  display: grid;
  gap: 1rem;
  padding: 0;
  list-style: none;
  counter-reset: flow;
}

.flow > li {
  position: relative;
  padding: 1.4rem 1.4rem 1.4rem 4.25rem;
  border: 1px solid var(--border);
  border-radius: 1rem;
  background: var(--surface);
  color: var(--muted);
  counter-increment: flow;
}

.flow > li::before {
  content: counter(flow);
  position: absolute;
  top: 1.35rem;
  left: 1.25rem;
  width: 2rem;
  height: 2rem;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--primary);
  color: #000;
  font-weight: 800;
}

.message {
  margin-top: 0.75rem;
  padding: 1rem;
  color: #e7eeee;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.9rem;
  white-space: normal;
}

.notice {
  border-color: rgba(246, 200, 95, 0.35);
  background: rgba(246, 200, 95, 0.06);
}

.notice strong {
  color: var(--warning);
}

.legal-copy {
  max-width: 850px;
}

.legal-copy section {
  margin-top: 2.5rem;
}

.legal-copy li + li {
  margin-top: 0.65rem;
}

.meta {
  color: var(--muted);
  font-size: 0.85rem;
}

.proof-link {
  display: inline-block;
  margin-top: 0.5rem;
}

@media (max-width: 720px) {
  .nav,
  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
    padding-block: 1rem;
  }

  .page {
    padding-top: 3rem;
  }

  .grid {
    grid-template-columns: 1fr;
  }

  .flow > li {
    padding-left: 1.25rem;
    padding-top: 4.25rem;
  }
}

@media print {
  :root {
    color-scheme: light;
  }

  body {
    background: #fff;
    color: #111;
  }

  .site-header,
  .site-footer {
    position: static;
    background: #fff;
  }

  .card,
  .message,
  .notice,
  .flow > li,
  .cta {
    background: #fff;
    color: #111;
    break-inside: avoid;
  }

  p,
  ul,
  ol,
  .meta,
  .flow > li {
    color: #333;
  }
}