/* ============================================================
   VentApp — Hoja de estilos para páginas legales
   Brand book v1.0  ·  Inter + JetBrains Mono
   ============================================================ */

:root {
  /* Paleta VentApp */
  --lanin-black:        #0A0A0A;
  --volcan-orange:      #F5A94D;
  --volcan-orange-deep: #E8923A;
  --cordillera-bronze:  #8B5A2B;
  --niebla-gray:        #9CA3AF;
  --lago-cyan:          #5EB3D6;
  --bosque-green:       #4ADE80;

  /* Derivados para lectura */
  --ink:        #16161A;
  --ink-soft:   #3F3F46;
  --ink-mute:   #6B6B76;
  --line:       #E7E7EA;
  --line-soft:  #F0F0F2;
  --paper:      #FFFFFF;
  --paper-warm: #FBFAF8;
  --paper-tint: #FCF8F2;

  --radius:   14px;
  --radius-s: 9px;
  --maxw:     1180px;

  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 92px; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper-warm);
  font-size: 17px;
  line-height: 1.72;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* ---------- Top bar ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--lanin-black);
  border-bottom: 1px solid rgba(255,255,255,.07);
}
.topbar__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 28px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  text-decoration: none;
  color: #fff;
  font-weight: 700;
  letter-spacing: -.02em;
  font-size: 1.18rem;
}
.brand__mark {
  width: 26px; height: 26px;
  border-radius: 7px;
  background: var(--volcan-orange);
  display: grid; place-items: center;
  color: var(--lanin-black);
  font-weight: 800;
  font-size: .92rem;
  box-shadow: 0 0 0 1px rgba(245,169,77,.35), 0 6px 18px -8px rgba(245,169,77,.7);
}
.brand__dot { color: var(--volcan-orange); }
.topbar__back {
  color: var(--niebla-gray);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: .8rem;
  letter-spacing: .01em;
  transition: color .15s ease;
}
.topbar__back:hover { color: var(--volcan-orange); }

/* ---------- Doc header ---------- */
.doc-head {
  background:
    radial-gradient(120% 140% at 0% 0%, rgba(245,169,77,.10), transparent 55%),
    var(--lanin-black);
  color: #fff;
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.doc-head__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 58px 28px 50px;
}
.eyebrow {
  font-family: var(--font-mono);
  font-size: .74rem;
  text-transform: uppercase;
  letter-spacing: .22em;
  color: var(--volcan-orange);
  margin: 0 0 16px;
}
.doc-head h1 {
  margin: 0;
  font-size: clamp(2rem, 4.5vw, 3.1rem);
  line-height: 1.05;
  letter-spacing: -.03em;
  font-weight: 800;
  max-width: 20ch;
}
.doc-head p.lede {
  margin: 18px 0 0;
  color: #C9C9CF;
  font-size: 1.06rem;
  max-width: 60ch;
}
.meta {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.chip {
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .02em;
  color: #E9E9ED;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  padding: 6px 11px;
  border-radius: 999px;
}
.chip b { color: var(--volcan-orange); font-weight: 600; }

/* ---------- Layout ---------- */
.layout {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 28px 40px;
  display: grid;
  grid-template-columns: 248px minmax(0, 1fr);
  gap: 56px;
  align-items: start;
}
.layout--single { grid-template-columns: minmax(0, 1fr); }

/* ---------- TOC ---------- */
.toc {
  position: sticky;
  top: 92px;
  align-self: start;
  padding: 28px 0;
  max-height: calc(100vh - 110px);
  overflow: auto;
}
.toc__title {
  font-family: var(--font-mono);
  font-size: .7rem;
  text-transform: uppercase;
  letter-spacing: .2em;
  color: var(--ink-mute);
  margin: 0 0 14px;
}
.toc ol { list-style: none; margin: 0; padding: 0; counter-reset: toc; }
.toc li { margin: 0; }
.toc a {
  display: block;
  padding: 7px 0 7px 14px;
  border-left: 2px solid var(--line);
  color: var(--ink-soft);
  text-decoration: none;
  font-size: .9rem;
  line-height: 1.4;
  transition: color .15s ease, border-color .15s ease;
}
.toc a:hover { color: var(--ink); border-color: var(--niebla-gray); }
.toc a.is-active {
  color: var(--volcan-orange-deep);
  border-color: var(--volcan-orange);
  font-weight: 600;
}

/* ---------- Article ---------- */
.article {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 52px clamp(24px, 4vw, 60px) 60px;
  box-shadow: 0 1px 2px rgba(16,16,26,.03), 0 24px 48px -36px rgba(16,16,26,.25);
  margin-top: -28px;
  max-width: 76ch;
}
.layout--single .article { margin-left: auto; margin-right: auto; }

.article section { scroll-margin-top: 92px; }
.article section + section {
  margin-top: 44px;
  padding-top: 40px;
  border-top: 1px solid var(--line-soft);
}

.article h2 {
  font-size: 1.34rem;
  letter-spacing: -.015em;
  font-weight: 700;
  margin: 0 0 16px;
  line-height: 1.25;
  display: flex;
  gap: 12px;
  align-items: baseline;
}
.article h2 .num {
  font-family: var(--font-mono);
  font-size: .92rem;
  color: var(--volcan-orange-deep);
  font-weight: 600;
  flex: none;
}
.article h3 {
  font-size: 1.04rem;
  font-weight: 700;
  letter-spacing: -.01em;
  margin: 28px 0 10px;
  color: var(--ink);
}
.article p { margin: 0 0 15px; color: var(--ink-soft); }
.article strong { color: var(--ink); font-weight: 650; }
.article a {
  color: var(--volcan-orange-deep);
  text-decoration: none;
  border-bottom: 1px solid rgba(232,146,58,.35);
  transition: border-color .15s ease;
}
.article a:hover { border-color: var(--volcan-orange-deep); }

.article ul, .article ol { margin: 0 0 16px; padding-left: 1.3em; color: var(--ink-soft); }
.article li { margin: 0 0 9px; }
.article li::marker { color: var(--niebla-gray); }

code, .mono { font-family: var(--font-mono); font-size: .88em; }
.article code {
  background: var(--paper-tint);
  border: 1px solid var(--line);
  padding: .12em .42em;
  border-radius: 6px;
  color: var(--cordillera-bronze);
  word-break: break-word;
}

/* Placeholder token highlight */
.ph {
  font-family: var(--font-mono);
  font-size: .84em;
  background: var(--paper-tint);
  border: 1px dashed var(--volcan-orange);
  color: var(--volcan-orange-deep);
  padding: .08em .42em;
  border-radius: 6px;
  white-space: nowrap;
}

/* Callout */
.note {
  margin: 22px 0;
  padding: 16px 18px;
  background: var(--paper-tint);
  border: 1px solid var(--line);
  border-left: 3px solid var(--volcan-orange);
  border-radius: var(--radius-s);
  font-size: .95rem;
  color: var(--ink-soft);
}
.note strong { color: var(--ink); }
.note--info { border-left-color: var(--lago-cyan); }

/* Definition list */
.defs { margin: 0 0 16px; }
.defs > div { padding: 12px 0; border-bottom: 1px solid var(--line-soft); }
.defs > div:last-child { border-bottom: 0; }
.defs dt { font-weight: 650; color: var(--ink); margin-bottom: 2px; }
.defs dd { margin: 0; color: var(--ink-soft); font-size: .96rem; }

/* Tables */
.table-wrap { overflow-x: auto; margin: 18px 0 22px; border: 1px solid var(--line); border-radius: var(--radius-s); }
table { width: 100%; border-collapse: collapse; font-size: .92rem; min-width: 480px; }
thead th {
  text-align: left;
  background: var(--paper-warm);
  color: var(--ink);
  font-weight: 650;
  font-size: .82rem;
  letter-spacing: .01em;
  padding: 11px 14px;
  border-bottom: 1px solid var(--line);
}
tbody td { padding: 11px 14px; border-bottom: 1px solid var(--line-soft); color: var(--ink-soft); vertical-align: top; }
tbody tr:last-child td { border-bottom: 0; }

/* Contact block */
.contact {
  margin-top: 14px;
  padding: 18px 20px;
  background: var(--lanin-black);
  border-radius: var(--radius-s);
  color: #E9E9ED;
}
.contact a { color: var(--volcan-orange); border: 0; }
.contact .mono { color: var(--niebla-gray); font-size: .82rem; }

/* ---------- Footer ---------- */
.footer { background: var(--lanin-black); color: #C9C9CF; margin-top: 30px; }
.footer__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 44px 28px 40px;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 20px;
}
.footer h4 {
  font-family: var(--font-mono);
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: .18em;
  color: var(--niebla-gray);
  margin: 0 0 14px;
}
.footer a { display: block; color: #D8D8DD; text-decoration: none; padding: 5px 0; font-size: .92rem; transition: color .15s ease; }
.footer a:hover { color: var(--volcan-orange); }
.footer__brand { display: inline-flex; align-items: center; gap: 9px; color: #fff; font-weight: 700; font-size: 1.1rem; margin-bottom: 12px; }
.footer__tag { color: var(--niebla-gray); font-size: .9rem; max-width: 32ch; }
.footer__bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 18px 28px;
  max-width: var(--maxw);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: .74rem;
  color: var(--ink-mute);
}

/* ---------- Index hub ---------- */
.hub { max-width: var(--maxw); margin: 0 auto; padding: 8px 28px 48px; }
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 18px; margin-top: -20px; }
.card {
  display: block;
  text-decoration: none;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
  box-shadow: 0 1px 2px rgba(16,16,26,.03);
}
.card:hover { transform: translateY(-3px); border-color: var(--volcan-orange); box-shadow: 0 18px 36px -22px rgba(16,16,26,.4); }
.card__k { font-family: var(--font-mono); font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; color: var(--volcan-orange-deep); }
.card h3 { margin: 10px 0 6px; font-size: 1.16rem; color: var(--ink); letter-spacing: -.01em; }
.card p { margin: 0; color: var(--ink-mute); font-size: .92rem; }
.card__req { display: inline-block; margin-top: 14px; font-family: var(--font-mono); font-size: .68rem; letter-spacing: .06em; padding: 3px 9px; border-radius: 999px; background: var(--paper-tint); border: 1px solid var(--line); color: var(--ink-soft); }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .layout { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .toc {
    position: static;
    max-height: none;
    padding: 22px 0 4px;
    margin-top: -10px;
  }
  .toc ol { columns: 2; column-gap: 22px; }
  .article { margin-top: 18px; max-width: none; }
  .footer__inner { grid-template-columns: 1fr; gap: 26px; }
}
@media (max-width: 520px) {
  body { font-size: 16px; }
  .doc-head__inner { padding: 42px 20px 38px; }
  .layout, .hub, .footer__inner { padding-left: 20px; padding-right: 20px; }
  .topbar__inner { padding: 0 20px; }
  .toc ol { columns: 1; }
  .article { padding: 34px 20px 44px; }
}