/* HyProd — guías. Hoja propia de /guias/: tokens, tipografías y modo claro
   copiados de landing/index.html para verse como la landing sin tocarla. */

@font-face { font-family: "Jakarta"; src: url(/fonts/plus-jakarta-sans-var.woff2) format("woff2"); font-weight: 200 800; font-display: swap; }
@font-face { font-family: "Plex Mono"; src: url(/fonts/ibm-plex-mono-400.woff2) format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Plex Mono"; src: url(/fonts/ibm-plex-mono-500.woff2) format("woff2"); font-weight: 500; font-display: swap; }

:root {
  color-scheme: dark;
  --bg-app: #0e0d0c;
  --bg-shell: #171614;
  --bg-raised: #1f1d1a;
  --bg-panel: rgba(246, 242, 234, 0.035);
  --border-subtle: rgba(246, 242, 234, 0.1);
  --border-faint: rgba(246, 242, 234, 0.075);
  --border-strong: rgba(246, 242, 234, 0.16);
  --text-primary: #f6f2ea;
  --text-secondary: rgba(246, 242, 234, 0.72);
  --text-muted: rgba(246, 242, 234, 0.6);
  --agent: #8399d1;
  --human: #e5c99b;
  --friction: #cf7b5a;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --font: "Jakarta", ui-sans-serif, system-ui, sans-serif;
  --mono: "Plex Mono", ui-monospace, monospace;
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    color-scheme: light;
    --bg-app: #e8e2d5;
    --bg-shell: #f6f2ea;
    --bg-raised: #fffdf8;
    --bg-panel: rgba(31, 28, 23, 0.035);
    --border-subtle: rgba(31, 28, 23, 0.13);
    --border-faint: rgba(31, 28, 23, 0.085);
    --border-strong: rgba(31, 28, 23, 0.2);
    --text-primary: #211d17;
    --text-secondary: rgba(33, 29, 23, 0.78);
    --text-muted: rgba(33, 29, 23, 0.66);
    --agent: #5b74b8;
    --human: #8a6a38;
    --friction: #b85c3a;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { background: var(--bg-app); -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg-app); color: var(--text-primary); font: 400 17px/1.7 var(--font); -webkit-font-smoothing: antialiased; overflow-x: clip; }
a { color: inherit; }
::selection { background: color-mix(in srgb, var(--agent) 32%, transparent); }
:focus-visible { outline: 2px solid color-mix(in srgb, var(--agent) 75%, transparent); outline-offset: 3px; border-radius: 6px; }
.wrap { width: 100%; max-width: 1240px; margin: 0 auto; padding: 0 16px; }

/* Barra superior (misma forma que la de la landing) */
.nav { position: sticky; top: 0; z-index: 30; padding: max(10px, env(safe-area-inset-top)) 10px 0; }
.nav-in { max-width: 1240px; margin: 0 auto; height: 58px; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 0 7px 0 16px; border-radius: 999px; border: 1px solid var(--border-subtle); background: color-mix(in srgb, var(--bg-shell) 80%, transparent); backdrop-filter: blur(18px) saturate(150%); -webkit-backdrop-filter: blur(18px) saturate(150%); }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 700; font-size: 19px; letter-spacing: -0.035em; }
.brand img { width: 30px; height: 20px; }
.nav-links { display: flex; align-items: center; gap: 22px; font-size: 15px; }
.nav-links a { text-decoration: none; color: var(--text-secondary); }
.nav-links a:hover { color: var(--text-primary); }
.nav-links .hide-sm { display: none; }
@media (min-width: 640px) { .nav-links .hide-sm { display: inline; } }
.btn { display: inline-flex; align-items: center; justify-content: center; height: 44px; padding: 0 18px; border-radius: 999px; font: 650 14.5px/1 var(--font); text-decoration: none; white-space: nowrap; background: var(--text-primary); color: var(--bg-shell) !important; }

/* Artículo */
.crumbs { margin: 36px 0 0; padding: 0; list-style: none; display: flex; flex-wrap: wrap; gap: 6px; font: 500 12.5px/1.4 var(--mono); color: var(--text-muted); }
.crumbs li + li::before { content: "/"; margin-right: 6px; color: var(--text-muted); }
.crumbs a { text-decoration: none; }
.crumbs a:hover { color: var(--text-primary); }
article { max-width: 760px; margin: 0 auto; padding: 0 0 64px; }
.eyebrow { font: 500 12px/1.3 var(--mono); letter-spacing: 0.1em; text-transform: uppercase; color: var(--agent); margin: 28px 0 14px; }
h1, h2, h3 { font-weight: 700; letter-spacing: -0.035em; line-height: 1.1; text-wrap: balance; }
h1 { font-size: clamp(34px, 7vw, 54px); margin: 0 0 18px; }
h2 { font-size: clamp(25px, 4.4vw, 33px); margin: 56px 0 14px; scroll-margin-top: 90px; }
h3 { font-size: 21px; margin: 32px 0 8px; letter-spacing: -0.02em; }
p, li { color: var(--text-secondary); }
p { margin: 0 0 18px; }
strong { color: var(--text-primary); font-weight: 650; }
.dek { font-size: 19px; line-height: 1.6; color: var(--text-secondary); }
.meta { font: 400 13px/1.5 var(--mono); color: var(--text-muted); margin: 0 0 8px; }
article ul, article ol { padding-left: 22px; margin: 0 0 18px; }
article li { margin: 6px 0; }
article a { color: var(--agent); text-underline-offset: 3px; }

/* Respuesta corta arriba de todo: lo primero que se puede citar */
.tldr { margin: 28px 0 8px; padding: 20px 22px; border-radius: 18px; border: 1px solid var(--border-strong); background: var(--bg-raised); }
.tldr p { margin: 0; color: var(--text-primary); }
.tldr .k { display: block; margin-bottom: 8px; font: 500 11px/1 var(--mono); letter-spacing: 0.1em; text-transform: uppercase; color: var(--agent); }

.toc { margin: 28px 0 0; padding: 18px 22px; border-radius: 18px; border: 1px solid var(--border-faint); background: var(--bg-panel); }
.toc p { margin: 0 0 6px; font: 500 12px/1 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-muted); }
.toc ol { margin: 0; }
.toc a { color: var(--text-secondary); text-decoration: none; }
.toc a:hover { color: var(--text-primary); }

.table-wrap { overflow-x: auto; margin: 8px 0 22px; border: 1px solid var(--border-subtle); border-radius: 16px; }
table { width: 100%; border-collapse: collapse; font-size: 15px; min-width: 520px; }
th, td { text-align: left; vertical-align: top; padding: 12px 14px; border-bottom: 1px solid var(--border-faint); }
th { font: 500 12px/1.3 var(--mono); letter-spacing: 0.06em; text-transform: uppercase; color: var(--text-muted); background: var(--bg-panel); }
td { color: var(--text-secondary); }
tr:last-child td { border-bottom: 0; }

.formula { margin: 8px 0 22px; padding: 16px 18px; border-radius: 14px; border: 1px solid var(--border-subtle); background: var(--bg-shell); font: 500 15px/1.6 var(--mono); color: var(--text-primary); overflow-x: auto; }
.note { margin: 22px 0; padding: 14px 18px; border-left: 3px solid var(--friction); background: var(--bg-panel); border-radius: 0 12px 12px 0; }
.note p { margin: 0; }

details { border-bottom: 1px solid var(--border-faint); padding: 14px 0; }
details summary { cursor: pointer; font-weight: 650; color: var(--text-primary); }
details p { margin: 10px 0 0; }

.sources { margin-top: 56px; padding-top: 22px; border-top: 1px solid var(--border-faint); font-size: 14px; }
.sources h2 { font-size: 20px; margin: 0 0 10px; }
.sources li { color: var(--text-muted); }

.cta { margin: 48px 0 0; padding: 26px; border-radius: 22px; border: 1px solid var(--border-strong); background: var(--bg-shell); }
.cta h2 { margin: 0 0 10px; font-size: 25px; }
.cta p { margin: 0 0 18px; }
.cta .btn { height: 50px; padding: 0 22px; font-size: 15.5px; }

/* Índice de guías */
.cards { display: grid; gap: 14px; margin: 28px 0 0; padding: 0; list-style: none; }
@media (min-width: 720px) { .cards { grid-template-columns: 1fr 1fr; } }
.cards a { display: block; height: 100%; padding: 22px; border-radius: 20px; border: 1px solid var(--border-subtle); background: var(--bg-panel); text-decoration: none; transition: border-color 160ms var(--ease), background 160ms var(--ease); }
.cards a:hover { border-color: var(--border-strong); background: var(--bg-raised); }
.cards h2 { margin: 0 0 8px; font-size: 21px; color: var(--text-primary); }
.cards p { margin: 0; font-size: 15.5px; }

footer { padding: 28px 0 calc(36px + env(safe-area-inset-bottom)); border-top: 1px solid var(--border-faint); color: var(--text-muted); font-size: 14px; }
footer .wrap { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
footer nav { display: flex; gap: 20px; flex-wrap: wrap; }
footer a { text-decoration: none; }
footer a:hover { color: var(--text-primary); }