/* ============================================================
   Xenarch Edge sandbox — design system ported 1:1 from the
   xenarch.com landing page (xenarch-web/index.html). Tokens,
   type scale, header/footer/hero and primitives are verbatim so
   the sandbox looks and feels like the live site.
   ============================================================ */
:root {
  --bg: #0a0a0a;
  --card: #111; --card-border: #1a1a1a;
  --surface: #191919; --surface-border: #252525;
  --fg: #f0f0f0; --fg-strong: #fff;
  --secondary: #999; --muted: #666; --dim: #444;
  --ink: #cfcfcf; --icon: #f0f0f0;
  --success: #4ade80; --success-bg: rgba(74,222,128,0.08); --success-border: rgba(74,222,128,0.15);
  --warning: #facc15; --warning-bg: rgba(250,204,21,0.08); --warning-border: rgba(250,204,21,0.18);
  --error: #f87171; --error-bg: rgba(248,113,113,0.08); --error-border: rgba(248,113,113,0.18);
  --link-blue: #5a9fd4;
  --radius-xs: 3px; --radius-sm: 4px; --radius-md: 6px; --radius-lg: 8px; --radius-card: 8px; --radius-pill: 100px;
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme]) {
    --bg: #E8E4DF; --card: #f5f2ee; --card-border: #d5d0ca;
    --surface: #ece8e3; --surface-border: #d0ccc7;
    --fg: #1a1a1a; --fg-strong: #000;
    --secondary: #555; --muted: #888; --dim: #bbb;
    --ink: #333; --icon: #6b6b6b;
    --success: #16a34a; --success-bg: rgba(22,163,74,0.10); --success-border: rgba(22,163,74,0.20);
    --warning: #ca8a04; --warning-bg: rgba(202,138,4,0.10); --warning-border: rgba(202,138,4,0.20);
    --error: #dc2626; --error-bg: rgba(220,38,38,0.08); --error-border: rgba(220,38,38,0.18);
    --link-blue: #2563eb;
  }
}
:root[data-theme="light"] {
  --bg: #E8E4DF; --card: #f5f2ee; --card-border: #d5d0ca;
  --surface: #ece8e3; --surface-border: #d0ccc7;
  --fg: #1a1a1a; --fg-strong: #000;
  --secondary: #555; --muted: #888; --dim: #bbb;
  --ink: #333; --icon: #6b6b6b;
  --success: #16a34a; --success-bg: rgba(22,163,74,0.10); --success-border: rgba(22,163,74,0.20);
  --link-blue: #2563eb;
}

/* ---------- Base ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { overflow-x: hidden; }
body {
  background: var(--bg); color: var(--fg);
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 14px; line-height: 1.55; -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
code, .mono { font-family: 'JetBrains Mono', 'SF Mono', Menlo, monospace; }
::selection { background: var(--success-bg); color: var(--fg); }
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--link-blue); outline-offset: 2px; border-radius: var(--radius-sm);
}
:focus:not(:focus-visible) { outline: none; }

.page { max-width: 1040px; margin: 0 auto; padding: 0 28px 72px; }

/* ---------- Header ---------- */
.hdr { display: flex; align-items: center; justify-content: space-between; padding: 22px 0 0; position: relative; }
.logo { font-family: 'Space Grotesk', sans-serif; font-size: 18px; font-weight: 500; color: var(--fg); }
.nav { display: flex; gap: 22px; }
.nav a { font-family: 'JetBrains Mono', monospace; font-size: 12px; color: var(--secondary); transition: color .15s; letter-spacing: .02em; }
.nav a:hover { color: var(--fg); }
.nav a[aria-current="page"] { color: var(--fg); font-weight: 500; }

/* ---------- Buttons ---------- */
.btn { font-family: 'Inter', sans-serif; font-size: 13px; font-weight: 500; padding: 8px 16px;
  border-radius: var(--radius-md); border: 1px solid; cursor: pointer; line-height: 1.5;
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; user-select: none;
  transition: background .15s, border-color .15s, color .15s; }
.btn.primary { background: var(--fg); color: var(--bg); border-color: var(--fg); padding: 11px 22px; font-size: 14px; }
.btn.primary:hover { background: var(--fg-strong); border-color: var(--fg-strong); }
.btn.action { background: var(--surface-border); color: var(--fg); border-color: var(--dim);
  font-family: 'JetBrains Mono', monospace; font-size: 12px; padding: 11px 16px; }
.btn.action:hover { background: var(--dim); }
.btn .pr { color: var(--muted); }

/* ---------- Pills ---------- */
.pill { display: inline-flex; align-items: center; gap: 6px; font-family: 'JetBrains Mono', monospace;
  font-size: 11px; font-weight: 500; padding: 3px 10px; border-radius: var(--radius-pill); }
.pill .dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.pill.ok { background: var(--success-bg); color: var(--success); }
.pill.wait { background: var(--warning-bg); color: var(--warning); }
.pill.lock { background: var(--warning-bg); color: var(--warning); }

/* ---------- Eyebrow ---------- */
.eyebrow { font-family: 'JetBrains Mono', monospace; font-size: 11.5px; font-weight: 500; letter-spacing: .1em;
  text-transform: uppercase; color: var(--secondary); display: flex; align-items: flex-start; gap: 9px; }
.eyebrow::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--fg); flex: none; margin-top: 5px; }
.eyebrow .n { color: var(--muted); text-transform: none; letter-spacing: 0; font-size: 12px; }

/* ---------- Hero ---------- */
.hero { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr); gap: 40px; align-items: center;
  padding: 76px 0 0; }
.hero-copy { max-width: 600px; min-width: 0; }
.hero h1 { font-family: 'Space Grotesk', sans-serif; font-weight: 700;
  font-size: clamp(28px, 4.2vw, 45px); line-height: 1.06; letter-spacing: -0.025em; color: var(--fg); }
.hero h1 .caret { display: inline-block; width: 3px; height: 0.8em; background: var(--fg);
  margin-left: 8px; vertical-align: -2px; animation: blink 1.15s steps(1) infinite; }
.hero .sub { font-size: 16px; line-height: 1.6; color: var(--ink); margin-top: 22px; max-width: 480px; }
.hero .actions { display: flex; gap: 12px; margin-top: 30px; flex-wrap: wrap; align-items: center; }
.hero .statusline { font-family: 'JetBrains Mono', monospace; font-size: 11.5px; color: var(--muted);
  margin-top: 26px; display: flex; align-items: center; gap: 9px; flex-wrap: wrap; }
.hero .statusline .live { color: var(--success); }
.hero .statusline .sep { color: var(--dim); }

/* ---------- Terminal card (hero visual + curl examples) ---------- */
.term { width: 100%; max-width: 470px; background: var(--card); border: 1px solid var(--card-border);
  border-radius: 10px; padding: 15px 20px 17px; font-family: 'JetBrains Mono', monospace; }
.term-head { display: flex; align-items: center; gap: 8px; font-size: 10.5px; letter-spacing: .12em;
  text-transform: uppercase; color: var(--muted); padding-bottom: 12px; margin-bottom: 13px;
  border-bottom: 1px solid var(--surface-border); }
.term-head .tdot { width: 7px; height: 7px; border-radius: 50%; background: var(--success); flex: none; }
.term pre { font-size: 12px; line-height: 1.7; color: var(--ink); white-space: pre-wrap; word-break: break-word; }
.term .cmt { color: var(--muted); }
.term .ok { color: var(--success); }
.term .warn { color: var(--warning); }
.term .caret { display: inline-block; width: 2px; height: 0.95em; background: var(--success);
  margin-left: 7px; vertical-align: -2px; animation: blink 1.15s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* ---------- Manifesto / lede ---------- */
.manifesto { padding: 72px 0 0; }
.manifesto .eyebrow { margin-bottom: 24px; }
.mf { font-family: 'Space Grotesk', sans-serif; font-weight: 500;
  font-size: clamp(21px, 2.5vw, 29px); line-height: 1.42; letter-spacing: -0.01em;
  color: var(--secondary); max-width: 820px; }
.mf-hi { color: var(--fg); }

/* ---------- Surfaces (resource cards) ---------- */
.block { margin-top: 72px; }
.block-head { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; margin-bottom: 24px; flex-wrap: wrap; }
.block-head h2 { font-family: 'Space Grotesk', sans-serif; font-size: 17px; font-weight: 600; color: var(--fg); }
.block-head .lede { font-size: 13.5px; color: var(--ink); max-width: 360px; }
.surfaces { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.surface { background: var(--card); border: 1px solid var(--card-border); border-radius: 10px;
  padding: 26px 24px 22px; display: flex; flex-direction: column; min-height: 300px;
  transition: border-color .15s, transform .15s, background .15s; color: inherit; }
.surface:hover { border-color: var(--dim); transform: translateY(-3px); }
.surface:hover .s-title { color: var(--fg-strong); }
.surface:hover .s-go { color: var(--fg); gap: 11px; }
.s-top { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: 20px; }
.s-idx { font-family: 'JetBrains Mono', monospace; font-size: 11px; color: var(--muted); }
.s-who { font-family: 'JetBrains Mono', monospace; font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--secondary); }
.s-title { font-family: 'Space Grotesk', sans-serif; font-size: 21px; font-weight: 600; color: var(--fg);
  margin-top: 8px; letter-spacing: -0.01em; transition: color .15s; }
.s-lede { font-size: 13.5px; color: var(--ink); line-height: 1.6; margin-top: 14px; }
.s-price { font-family: 'JetBrains Mono', monospace; font-size: 11.5px; color: var(--ink); margin-top: 14px; }
.s-price strong { color: var(--fg); font-weight: 500; }
.s-foot { margin-top: auto; padding-top: 16px; border-top: 1px solid var(--surface-border); }
.s-go { font-family: 'Inter', sans-serif; font-size: 13px; font-weight: 500; color: var(--secondary);
  display: inline-flex; align-items: center; gap: 7px; transition: color .15s, gap .15s; }

/* ---------- Article (gated content pages) ---------- */
.article { max-width: 720px; margin: 0 auto; padding: 64px 0 0; }
.article .eyebrow { margin-bottom: 20px; }
.article h1 { font-family: 'Space Grotesk', sans-serif; font-weight: 700;
  font-size: clamp(26px, 3.6vw, 38px); line-height: 1.1; letter-spacing: -0.02em; color: var(--fg); }
.article .meta { font-family: 'JetBrains Mono', monospace; font-size: 11.5px; color: var(--muted);
  margin-top: 16px; display: flex; gap: 9px; flex-wrap: wrap; align-items: center; }
.article .meta .sep { color: var(--dim); }
.article .body { margin-top: 36px; }
.article .body > * + * { margin-top: 22px; }
.article .body h2 { font-family: 'Space Grotesk', sans-serif; font-size: 19px; font-weight: 600;
  color: var(--fg); margin-top: 40px; }
.article .body p { font-size: 15.5px; line-height: 1.7; color: var(--ink); }
.article .body ul { padding-left: 22px; }
.article .body li { font-size: 15.5px; line-height: 1.7; color: var(--ink); margin-top: 8px; }
.article .body blockquote { border-left: 2px solid var(--success); padding-left: 18px;
  color: var(--secondary); font-family: 'Space Grotesk', sans-serif; font-size: 18px; line-height: 1.5; }
.article .lead { font-size: 17px; line-height: 1.6; color: var(--secondary); }
.article .lead .mf-hi { color: var(--fg); }
.datarow { display: grid; grid-template-columns: 1fr auto; gap: 12px; padding: 12px 0;
  border-bottom: 1px solid var(--surface-border); font-size: 14px; }
.datarow .k { color: var(--ink); }
.datarow .v { font-family: 'JetBrains Mono', monospace; color: var(--fg); }

/* ---------- Footer ---------- */
.ftr { margin-top: 48px; padding: 22px 0; border-top: 1px solid var(--card-border);
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; }
.ftr-l { display: flex; gap: 18px; align-items: center; }
.ftr-r { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; }
.ftr a { font-family: 'JetBrains Mono', monospace; font-size: 12px; color: var(--muted); transition: color .15s; }
.ftr a:hover { color: var(--fg); }
.ftr .sep { color: var(--dim); font-size: 12px; }
.ftr .note { font-family: 'JetBrains Mono', monospace; font-size: 11px; color: var(--muted); }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero { display: block; padding: 48px 0 0; }
  .hero-vis { margin-top: 24px; }
  .surfaces { grid-template-columns: minmax(0, 1fr); }
  .surface { min-height: 0; }
}
@media (max-width: 640px) {
  .page { padding: 0 18px 48px; }
  .hero h1 { font-size: clamp(27px, 7.5vw, 36px); }
  .hero .actions { flex-direction: column; align-items: stretch; gap: 10px; }
  .hero .actions .btn { width: 100%; }
  .article { padding: 44px 0 0; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}