:root {
  --primario: #0b4f9c;
  --primario-osc: #083a73;
  --fondo: #f4f6fa;
  --texto: #1d2533;
  --suave: #5a6577;
  --borde: #dde3ec;
  --ok: #157f3b;
  --error: #b42318;
}
* { box-sizing: border-box; }
body { margin: 0; font-family: "Segoe UI", system-ui, -apple-system, Roboto, sans-serif; background: var(--fondo); color: var(--texto); line-height: 1.5; }
.wrap { max-width: 960px; margin: 0 auto; padding: 0 1rem; }
.top { background: var(--primario); color: #fff; }
.top .wrap { display: flex; justify-content: space-between; align-items: center; min-height: 56px; gap: 1rem; }
.logo { font-weight: 700; font-size: 1.25rem; letter-spacing: .02em; }
.badge { font-size: .875rem; padding: .25rem .75rem; border-radius: 999px; background: rgba(255,255,255,.15); }
.badge.ok { background: #e7f6ec; color: var(--ok); }
.badge.error { background: #fdecea; color: var(--error); }
.hero { padding: 2rem 0 1rem; }
.hero h1 { margin: 0 0 .5rem; font-size: clamp(1.5rem, 4vw, 2rem); }
.hero p { margin: 0; color: var(--suave); max-width: 70ch; }
.card { background: #fff; border: 1px solid var(--borde); border-radius: 8px; padding: 1.25rem; margin: 1rem 0; }
.card h2 { margin: 0 0 .5rem; font-size: 1.125rem; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1rem; }
.grid .card { margin: 0; }
.copy { display: flex; gap: .5rem; flex-wrap: wrap; align-items: center; }
.copy code { flex: 1 1 280px; background: var(--fondo); border: 1px solid var(--borde); border-radius: 6px; padding: .625rem .75rem; overflow-wrap: anywhere; }
button { font: inherit; min-height: 44px; padding: 0 1.25rem; border: 0; border-radius: 6px; background: var(--primario); color: #fff; cursor: pointer; }
button:hover { background: var(--primario-osc); }
button:focus-visible { outline: 3px solid #f2b705; outline-offset: 2px; }
pre { background: var(--fondo); border: 1px solid var(--borde); border-radius: 6px; padding: .75rem; overflow-x: auto; margin: .5rem 0; }
code, pre { font-family: Consolas, "Cascadia Mono", monospace; font-size: .9rem; }
.tools { padding-left: 1.25rem; margin: .5rem 0; }
.tools li { margin: .25rem 0; }
.nota { color: var(--suave); font-size: .875rem; margin: .5rem 0 0; }
.pie { color: var(--suave); font-size: .875rem; padding: 1.5rem 1rem 2rem; }