:root {
  --ground: #FBFAF8;
  --paper: #FFFFFF;
  --ink: #1A1A18;
  --muted: #5F5C56;
  --rule: #E2DFD8;
  --accent: #2F5D50;
  --accent-soft: #E8F0EC;
  --code-bg: #F1EFEA;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --ground: #14150F;
    --paper: #1C1E17;
    --ink: #EDEBE4;
    --muted: #A09C93;
    --rule: #2E3128;
    --accent: #8FC3B0;
    --accent-soft: #1E2A24;
    --code-bg: #0F110C;
  }
}
:root[data-theme="dark"] {
  --ground: #14150F;
  --paper: #1C1E17;
  --ink: #EDEBE4;
  --muted: #A09C93;
  --rule: #2E3128;
  --accent: #8FC3B0;
  --accent-soft: #1E2A24;
  --code-bg: #0F110C;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--ground);
  color: var(--ink);
  font-family: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.65;
  padding-inline: 16px;
  padding-block: 48px 72px;
}

.wrap { max-width: 660px; margin-inline: auto; display: grid; gap: 34px; }

a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 2px; }

h1, h2, h3 { font-family: "Source Serif 4", Georgia, serif; text-wrap: balance; }
h1 { font-size: clamp(30px, 6vw, 42px); line-height: 1.12; margin: 0; font-weight: 700; }
h2 { font-size: 22px; margin: 0 0 4px; font-weight: 600; }
h3 { font-size: 17px; margin: 20px 0 2px; font-weight: 600; }

section { display: grid; gap: 2px; }
section p, section ul { margin: 6px 0; }
ul { padding-left: 20px; display: grid; gap: 4px; }

.lede { font-size: 18px; color: var(--muted); max-width: 58ch; }
.meta { margin: 0; color: var(--muted); font-size: 14px; }
.note {
  background: var(--accent-soft); border-radius: 8px; padding: 12px 15px;
  font-size: 15px; margin-top: 10px;
}
.mono {
  font-family: ui-monospace, "SFMono-Regular", Menlo, monospace; font-size: 0.9em;
  background: var(--code-bg); padding: 1px 5px; border-radius: 4px;
}

/* Portada */
.hero { display: grid; gap: 14px; }
.eyebrow {
  font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--muted); font-weight: 600; margin: 0;
}
.cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 24px; }
.cols h3 { margin-top: 0; }

/* Documento */
.doc-head { display: grid; gap: 10px; }
.back {
  font-family: "Source Serif 4", Georgia, serif; font-weight: 700; font-size: 18px;
  text-decoration: none; color: var(--ink); justify-self: start;
}

.table-wrap {
  overflow-x: auto; border: 1px solid var(--rule); border-radius: 10px;
  background: var(--paper); margin: 10px 0;
}
table { border-collapse: collapse; width: 100%; font-size: 15px; }
th, td { text-align: left; padding: 11px 14px; border-bottom: 1px solid var(--rule); vertical-align: top; }
th { font-size: 12px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); font-weight: 600; }
tr:last-child td { border-bottom: 0; }

footer {
  border-top: 1px solid var(--rule); padding-top: 18px;
  color: var(--muted); font-size: 14px;
}
footer p { margin: 0; }