/* Shared styles for xenshift.com.
   Dark-first, matching DataPaw's own interface so the site and the product
   feel like one thing. */

:root {
  --bg:        #0d1117;
  --bg-raised: #141b24;
  --bg-sunken: #090d13;
  --ink:       #e8eef5;
  --ink-soft:  #9aa8b8;
  --ink-faint: #6b7987;
  --rule:      #1f2933;
  --rule-lit:  #2c3947;
  --accent:    #3794ff;
  --accent-dim:#1d4a80;
  --accent-bg: #10243c;
  --good:      #45c98a;
  --warn:      #d9a441;

  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  --measure: 40rem;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation: none !important; transition: none !important; }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: 68rem; margin: 0 auto; padding: 0 1.5rem; }
.narrow { max-width: var(--measure); }

a { color: var(--accent); text-underline-offset: 3px; }
a:focus-visible, button:focus-visible, summary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

.label {
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 1rem;
}

/* ---------- Nav ---------- */
nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 1.4rem 0;
  border-bottom: 1px solid var(--rule);
  flex-wrap: wrap;
}
.brand {
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -.01em;
  display: flex;
  align-items: center;
  gap: .5rem;
  color: var(--ink);
  text-decoration: none;
}
nav .spacer { flex: 1; }
nav a:not(.brand) { color: var(--ink-soft); text-decoration: none; font-size: .92rem; }
nav a:not(.brand):hover { color: var(--ink); }

/* ---------- Headings ---------- */
h1 {
  font-size: clamp(2.2rem, 5.5vw, 3.5rem);
  line-height: 1.06;
  letter-spacing: -.03em;
  font-weight: 700;
  margin: 0 0 1.1rem;
  max-width: 20ch;
  text-wrap: balance;
}
h2 {
  font-size: clamp(1.5rem, 3.2vw, 2rem);
  line-height: 1.15;
  letter-spacing: -.02em;
  margin: 0 0 1rem;
  text-wrap: balance;
}
h3 { font-size: 1rem; font-weight: 650; margin: 1.8rem 0 .5rem; }

section { padding: clamp(3.5rem, 7vw, 5.5rem) 0; border-top: 1px solid var(--rule); }
section > .wrap > p { color: var(--ink-soft); max-width: var(--measure); margin: 0 0 1rem; text-wrap: pretty; }

/* ---------- Buttons ---------- */
.cta-row { display: flex; flex-wrap: wrap; gap: .75rem; align-items: center; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .72rem 1.3rem;
  border-radius: 7px;
  font-size: .95rem;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
}
.btn-primary { background: var(--accent); color: #04101f; }
.btn-primary:hover { background: #58a6ff; }
.btn-ghost { border-color: var(--rule-lit); color: var(--ink); }
.btn-ghost:hover { border-color: var(--accent); }
.cta-note { font-size: .85rem; color: var(--ink-faint); margin: .9rem 0 0; }

code {
  font-family: var(--mono);
  font-size: .88em;
  background: var(--bg-sunken);
  border: 1px solid var(--rule);
  padding: .08em .35em;
  border-radius: 3px;
}

/* ---------- Footer ---------- */
footer {
  border-top: 1px solid var(--rule);
  padding: 2.5rem 0 3.5rem;
  font-size: .86rem;
  color: var(--ink-faint);
}
footer .cols { display: flex; flex-wrap: wrap; gap: 1rem 2.2rem; align-items: baseline; }
footer a { color: var(--ink-soft); text-decoration: none; }
footer a:hover { color: var(--ink); text-decoration: underline; }
footer .spacer { flex: 1; }
footer .fine { margin: 1.5rem 0 0; max-width: var(--measure); }

/* ---------- Long-form document pages (legal) ---------- */
.doc { padding: clamp(2.5rem, 6vw, 4rem) 0 1rem; }
.doc h1 { font-size: clamp(1.9rem, 4.5vw, 2.6rem); }
.doc .updated { font-family: var(--mono); font-size: .78rem; color: var(--ink-faint); margin: 0 0 2rem; }
.doc-body { max-width: var(--measure); }
.doc-body h2 {
  font-size: 1.15rem;
  margin: 2.5rem 0 .7rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--rule);
}
.doc-body h3 { font-size: .98rem; margin: 1.6rem 0 .4rem; }
.doc-body p, .doc-body li { color: var(--ink-soft); }
.doc-body strong { color: var(--ink); font-weight: 650; }
.doc-body ul { padding-left: 1.2rem; }
.doc-body li { margin-bottom: .45rem; }
.doc-body li::marker { color: var(--accent); }
.doc-body .caps { font-size: .9rem; }
.doc-note {
  background: var(--accent-bg);
  border: 1px solid var(--accent-dim);
  border-radius: 8px;
  padding: 1rem 1.2rem;
  margin: 1.5rem 0;
}
.doc-note p { margin: 0; color: var(--ink); font-size: .94rem; }