/* Acordis — hoja compartida del sitio (index.html y fundadores.html).
   Sistema "Tinta notarial": ver DESIGN.md en la raíz del repo.

   Regla de material: el radio dice de qué está hecha cada cosa.
   Papel (documentos) 2px · controles de interfaz 8px · sellos 0.
   El verde es tinta: sellos, acción primaria y una sola banda. Nunca un muro. */

:root {
  --paper: #f2f0e9;
  --paper-deep: #e8e5d8;
  --surface: #fcfbf7;
  --line: #d3cfbc;
  --line-soft: #e2dfd0;
  --ink: #1e241d;
  --ink-soft: #5b6353;
  /* 4.65:1 sobre --paper. No bajar: sostiene notas de precio y pistas. */
  --ink-faint: #676e5b;
  --brand: #1e5b45;
  --brand-deep: #123c2c;
  --brand-tint: #dce9dc;
  --brand-line: #b9d1bd;
  --accent-text: var(--brand-deep);
  /* 5.1:1 sobre --cobre-tint: sellos Pendiente y Urgente. */
  --cobre: #8f4f1a;
  --cobre-tint: #f3e4d6;
  --btn-ink: #fdfcf3;
  --err: #a43325;
  --doc-shadow: rgba(30, 36, 29, .3);
  --doc-edge: rgba(30, 36, 29, .09);

  /* La banda de Firma es tinta fija: misma composición en claro y oscuro. */
  --band-bg: #1e5b45;
  --band-ink: #f2efe4;
  --band-ink-soft: #c2d4c3;
  --band-rule: rgba(242, 239, 228, .22);

  --font-ui: 'Public Sans', ui-sans-serif, system-ui, Arial, sans-serif;
  --font-display: 'Fraunces', Georgia, serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, Consolas, monospace;

  --wrap: 1240px;
  --pad-x: clamp(20px, 4vw, 48px);
  --sec-y: clamp(72px, 9vw, 140px);
}
:root[data-theme="dark"] {
  --paper: #131a15;
  --paper-deep: #1a231d;
  --surface: #1c2721;
  --line: #2c392f;
  --line-soft: #243029;
  --ink: #edefe3;
  --ink-soft: #a8b5a3;
  --ink-faint: #8a9787;
  --brand: #6fbf95;
  --brand-deep: #a4dcbe;
  --brand-tint: #1e2f24;
  --brand-line: #2f4a3a;
  --accent-text: var(--brand);
  --cobre: #d98b4f;
  --cobre-tint: #33261a;
  --btn-ink: #0d241a;
  --err: #e2907f;
  --doc-shadow: rgba(0, 0, 0, .6);
  --doc-edge: rgba(255, 255, 255, .07);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #131a15;
    --paper-deep: #1a231d;
    --surface: #1c2721;
    --line: #2c392f;
    --line-soft: #243029;
    --ink: #edefe3;
    --ink-soft: #a8b5a3;
    --ink-faint: #8a9787;
    --brand: #6fbf95;
    --brand-deep: #a4dcbe;
    --brand-tint: #1e2f24;
    --brand-line: #2f4a3a;
    --accent-text: var(--brand);
    --cobre: #d98b4f;
    --cobre-tint: #33261a;
    --btn-ink: #0d241a;
    --err: #e2907f;
    --doc-shadow: rgba(0, 0, 0, .6);
    --doc-edge: rgba(255, 255, 255, .07);
  }
}

/* ── Base ─────────────────────────────────────────────────────────────── */
* { box-sizing: border-box; }
html, body { margin: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-ui);
  font-size: 1.0625rem;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}
@media (max-width: 640px) { body { font-size: 1rem; } }

/* Fraunces trae eje óptico 9..144. El sitio anterior lo cargaba y nunca lo
   usaba: a tamaño display el trazo se afina y el contraste sube, que es lo
   que hace que un titular grande se vea caro y no solo grande. */
h1, h2, h3 { font-family: var(--font-display); font-weight: 500; margin: 0; text-wrap: balance; }
h1, h2 { font-variation-settings: "opsz" 144; letter-spacing: -.02em; }
h1 { font-size: clamp(2.75rem, 6.2vw, 5.4rem); line-height: 1.02; }
h2 { font-size: clamp(2rem, 3.4vw, 3rem); line-height: 1.08; }
h3 { font-family: var(--font-ui); font-weight: 600; font-size: 1rem; }
h1 i, h2 i { font-style: italic; font-weight: 500; }
p { margin: 0; }
a { color: inherit; -webkit-tap-highlight-color: transparent; }
.mono { font-family: var(--font-mono); }
:focus-visible { outline: 2px solid var(--brand); outline-offset: 2px; }

.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: var(--pad-x); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

/* ── Botones ──────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  background: var(--brand); color: var(--btn-ink); text-decoration: none;
  font-family: inherit; font-weight: 600; font-size: .95rem; line-height: 1.2;
  padding: 12px 22px; min-height: 46px; border-radius: 8px;
  border: 1px solid var(--brand); cursor: pointer;
  transition: background .15s ease, border-color .15s ease, color .15s ease;
}
.btn:hover { background: var(--brand-deep); border-color: var(--brand-deep); }
.btn--ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn--ghost:hover { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn--small { padding: 9px 16px; min-height: 40px; font-size: .88rem; }

/* ── Navegación ───────────────────────────────────────────────────────── */
.skip {
  position: absolute; left: 12px; top: -60px; z-index: 40;
  background: var(--ink); color: var(--paper); padding: 8px 12px; border-radius: 6px;
  font-size: .85rem; font-weight: 600; text-decoration: none;
}
.skip:focus-visible { top: 12px; }
.nav {
  position: sticky; top: 0; z-index: 30;
  background: color-mix(in srgb, var(--paper) 90%, transparent);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav .wrap { display: flex; align-items: center; gap: 28px; min-height: 60px; }
.wordmark {
  font-family: var(--font-display); font-variation-settings: "opsz" 30;
  font-weight: 600; font-size: 1.45rem; letter-spacing: -.01em;
  text-decoration: none; color: var(--ink); line-height: 1;
}
.wordmark i { font-style: italic; color: var(--accent-text); }
.nav__links { display: flex; gap: 26px; margin: 0 0 0 auto; padding: 0; list-style: none; }
.nav__links a {
  text-decoration: none; font-size: .92rem; font-weight: 500; color: var(--ink-soft);
  padding: 6px 0; border-bottom: 1px solid transparent;
}
.nav__links a:hover { color: var(--ink); border-bottom-color: var(--ink); }
.nav .btn { margin-left: 4px; }
@media (max-width: 860px) {
  .nav__links { display: none; }
  .nav .btn { margin-left: auto; }
}

/* ── Sellos ───────────────────────────────────────────────────────────── */
/* Rectangular, mono, mayúsculas: el mismo sello de estatus que usa el panel.
   El verde es tinta de sello; el cobre es urgencia; el gris es borrador. */
.sello {
  display: inline-flex; flex-direction: column; align-items: center; gap: 3px;
  font-family: var(--font-mono); font-weight: 600; font-size: .74rem;
  line-height: 1.1; letter-spacing: .12em; text-transform: uppercase;
  color: var(--brand); border: 2px solid currentColor; border-radius: 0;
  padding: 8px 12px 7px; transform: rotate(-8deg); white-space: nowrap;
}
.sello small { font-size: .56rem; font-weight: 500; letter-spacing: .08em; }
.sello--big { font-size: 1rem; padding: 12px 20px 11px; border-width: 3px; }
.sello--flat {
  flex-direction: row; transform: none; border-width: 1px; border-radius: 3px;
  font-size: .62rem; padding: 3px 7px; letter-spacing: .08em;
  background: var(--brand-tint);
}
.sello--cobre { color: var(--cobre); }
.sello--cobre.sello--flat { background: var(--cobre-tint); }
.sello--soft { color: var(--ink-faint); }
.sello--soft.sello--flat { background: var(--paper-deep); color: var(--ink-soft); }
@keyframes sellar {
  from { opacity: 0; transform: rotate(-14deg) scale(1.5); }
  to   { opacity: 1; transform: rotate(-8deg) scale(1); }
}
.sello--anim { animation: sellar .5s cubic-bezier(.2, 1.15, .4, 1) .55s both; }

/* ── Documentos ───────────────────────────────────────────────────────── */
/* Recreaciones en HTML de lo que el sistema emite (contrato, corte, recibo,
   constancia). Radio de papel, sombra en capas, texto pequeño y real. Datos
   del tenant demo: nada de aquí es de un cliente. */
.doc {
  position: relative;
  background: var(--surface); color: var(--ink); border-radius: 2px;
  padding: 22px 24px;
  box-shadow:
    0 0 0 1px var(--doc-edge),
    0 2px 4px -2px var(--doc-shadow),
    0 22px 44px -20px var(--doc-shadow);
}
.doc__meta {
  display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  font-family: var(--font-mono); font-size: .62rem; letter-spacing: .05em;
  text-transform: uppercase; color: var(--ink-faint); margin-bottom: 12px;
}
.doc__t {
  font-family: var(--font-display); font-variation-settings: "opsz" 20;
  font-weight: 600; font-size: 1.05rem; line-height: 1.2; margin-bottom: 10px;
}
.doc__p { font-size: .7rem; line-height: 1.55; color: var(--ink-soft); margin: 0 0 8px; }
.doc__p b { color: var(--ink); font-weight: 600; }
.doc__campo {
  background: var(--brand-tint); color: var(--accent-text); font-weight: 600;
  padding: 0 3px; border-bottom: 1px solid var(--brand-line);
}
.doc__firmas { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 26px; }
.doc__firma {
  border-top: 1px solid var(--ink); padding-top: 5px;
  font-family: var(--font-mono); font-size: .56rem; letter-spacing: .06em;
  text-transform: uppercase; color: var(--ink-faint);
}
.doc__firma b { display: block; font-family: var(--font-display); font-style: italic; font-size: .95rem; text-transform: none; letter-spacing: 0; color: var(--ink); font-weight: 500; margin-bottom: 2px; }
.doc__huella {
  margin-top: 14px; padding-top: 8px; border-top: 1px dashed var(--line);
  font-family: var(--font-mono); font-size: .58rem; color: var(--ink-faint);
  overflow-wrap: anywhere; line-height: 1.5;
}
.doc__pie { display: flex; align-items: center; gap: 10px; margin-top: 14px; font-size: .74rem; color: var(--ink-soft); }
.doc__sello { position: absolute; }

.ledger { list-style: none; margin: 0; padding: 0; font-size: .8rem; }
.ledger li {
  display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center;
  gap: 6px 14px; padding: 8px 0; border-bottom: 1px solid var(--line-soft);
}
.ledger li.tres { grid-template-columns: minmax(0, 1fr) auto auto; }
.ledger .m { font-family: var(--font-mono); font-size: .78rem; white-space: nowrap; }
.ledger .total { font-weight: 600; border-bottom: 0; border-top: 1px solid var(--ink); margin-top: -1px; }
.ledger .total .m { font-weight: 600; }
.ledger .k { color: var(--ink-soft); }

.adjuntos { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin: 4px 0 12px; }
.adj {
  aspect-ratio: 1.55; border: 1px dashed var(--line); border-radius: 2px;
  display: grid; place-items: center; text-align: center;
  font-family: var(--font-mono); font-size: .56rem; letter-spacing: .06em; text-transform: uppercase;
  color: var(--ink-faint); background: var(--paper);
}
.adj--foto { border-style: solid; border-color: var(--brand-line); background: var(--brand-tint); color: var(--accent-text); }

.pasos { display: flex; flex-wrap: wrap; gap: 6px 14px; margin: 0 0 14px; padding: 0; list-style: none; font-family: var(--font-mono); font-size: .58rem; letter-spacing: .06em; text-transform: uppercase; color: var(--ink-faint); }
.pasos li { display: flex; align-items: center; gap: 6px; }
.pasos li::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--line); }
.pasos li.hecho::before { background: var(--brand); }
.pasos li.actual { color: var(--accent-text); }
.pasos li.actual::before { background: var(--brand); box-shadow: 0 0 0 2px var(--brand-tint); }

/* ── WhatsApp ─────────────────────────────────────────────────────────── */
.whatsapp-fab {
  position: fixed; right: 22px; bottom: 22px; z-index: 20;
  width: 54px; height: 54px; border-radius: 50%;
  background: var(--brand); color: var(--btn-ink);
  border: 1px solid var(--brand-deep);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 20px -6px rgba(9, 26, 19, .45);
  transition: background .15s ease;
}
.whatsapp-fab svg { width: 28px; height: 28px; }
.whatsapp-fab:hover { background: var(--brand-deep); }
.whatsapp-fab:focus-visible { outline: 2px solid var(--brand); outline-offset: 3px; }
@media (max-width: 860px) {
  .whatsapp-fab { right: 16px; bottom: 16px; width: 50px; height: 50px; }
}

/* ── Footer ───────────────────────────────────────────────────────────── */
.foot { border-top: 1px solid var(--line); padding-block: 44px 40px; font-size: .9rem; color: var(--ink-soft); margin-top: var(--sec-y); }
.foot .wrap { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 32px; }
.foot__marca { display: grid; gap: 10px; align-content: start; }
.foot__tag { font-family: var(--font-mono); font-size: .7rem; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-faint); }
.foot__lugar { font-size: .88rem; color: var(--ink-faint); }
.foot h3 { font-size: .78rem; letter-spacing: .06em; text-transform: uppercase; color: var(--ink-faint); margin-bottom: 12px; }
.foot ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.foot a { text-decoration: none; }
.foot a:hover { color: var(--accent-text); text-decoration: underline; }
.foot__legal {
  grid-column: 1 / -1; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px 24px;
  padding-top: 22px; margin-top: 12px; border-top: 1px solid var(--line-soft);
  font-size: .78rem; color: var(--ink-faint);
}
@media (max-width: 720px) {
  .foot .wrap { grid-template-columns: 1fr 1fr; }
  .foot__marca { grid-column: 1 / -1; }
}