/* Null Origin Security — static stylesheet (no external resources) */
:root {
  --bg: #0b0f14;
  --bg-alt: #10161d;
  --surface: #141c25;
  --border: #233040;
  --text: #e6edf3;
  --muted: #a3b1c2;
  --accent: #3ee6a8;
  --accent-ink: #04140d;
  --radius: 12px;
  --max: 64rem;
  color-scheme: dark;
}

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "Liberation Sans", sans-serif;
  font-size: 1.0625rem;
  line-height: 1.65;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main { flex: 1 0 auto; }

.container {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 1.5rem);
}

a { color: var(--accent); text-underline-offset: 0.2em; }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible, .button:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -3rem;
  padding: 0.5rem 1rem;
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 600;
  border-radius: 6px;
  z-index: 10;
}
.skip-link:focus { top: 1rem; }

/* Header */
.site-header {
  border-bottom: 1px solid var(--border);
  background: rgba(11, 15, 20, 0.92);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding-top: 1rem;
  padding-bottom: 1rem;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.01em;
}
.logo { color: var(--accent); flex-shrink: 0; }
.brand-accent { color: var(--muted); font-weight: 500; }

.nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1.25rem;
}
.nav-list a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
}
.nav-list a:hover { color: var(--text); }

/* Hero */
.hero {
  padding: clamp(4rem, 10vw, 6rem) 0 clamp(3.5rem, 8vw, 5rem);
  border-bottom: 1px solid var(--border);
  background:
    radial-gradient(60rem 30rem at 85% -10%, rgba(62, 230, 168, 0.10), transparent 60%),
    var(--bg);
}
.eyebrow {
  margin: 0 0 1rem;
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
h1 {
  margin: 0;
  font-size: clamp(2.4rem, 7vw, 4.25rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  font-weight: 800;
}
.tagline {
  margin: 1.25rem 0 0;
  max-width: 38rem;
  color: var(--muted);
  font-size: clamp(1.1rem, 2.4vw, 1.3rem);
}
.hero-actions { margin: 2.25rem 0 0; }
.button {
  display: inline-block;
  padding: 0.8rem 1.4rem;
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 700;
  text-decoration: none;
  border-radius: 999px;
}
.button:hover { background: #6cf0c0; }

/* Sections */
.section {
  padding: clamp(3.25rem, 8vw, 4.5rem) 0;
  border-bottom: 1px solid var(--border);
}
.section:nth-of-type(odd) { background: var(--bg-alt); }
.section p { max-width: 44rem; }
h2 {
  margin: 0 0 1.25rem;
  font-size: clamp(1.6rem, 3.5vw, 2rem);
  letter-spacing: -0.01em;
  line-height: 1.2;
}
h3 {
  margin: 0 0 0.4rem;
  font-size: 1.1rem;
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  margin: 0 0 1.25rem;
  padding: 0.35rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 600;
}
.status-dot {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: #f5c451;
}

.principles {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: 1rem;
}
.principles li {
  padding: 1.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-top: 3px solid var(--accent);
  border-radius: var(--radius);
}
.principles p { margin: 0; color: var(--muted); }


/* 404 */
.notfound { padding: 8rem 0 6rem; }

/* Footer */
.site-footer {
  padding: 2rem 0;
  color: var(--muted);
  font-size: 0.9rem;
}
.site-footer p { margin: 0; }