/* ============================================================
   Campanero — Asesoría Integral · Sistema de diseño
   Motivo central: la línea de libro contable (ledger line),
   usada como regla estructural en todo el sitio.
   ============================================================ */

:root{
  --ink:        #1E2B22;   /* texto principal, casi negro con base verde */
  --ink-soft:   #445143;   /* texto secundario */
  --paper:      #EFEEDF;   /* fondo general, papel cálido con base salvia */
  --paper-2:    #E7E4D2;   /* franjas / superficies levemente más oscuras */
  --ledger:     #2B4636;   /* verde libro contable — bloques oscuros */
  --ledger-2:   #23392C;   /* variante más oscura del verde libro */
  --brass:      #9C7A3C;   /* acento — bronce de sello */
  --brass-soft: #C7A96B;   /* bronce claro, para líneas y detalles */
  --line:       #C9C2A8;   /* líneas finas sobre papel */
  --line-dark:  rgba(239,238,223,0.22); /* líneas finas sobre verde */
  --white:      #FFFFFF;
  --max: 1120px;
  --radius: 3px;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *{ animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

body{
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "IBM Plex Sans", -apple-system, "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4{
  font-family: "Bitter", Georgia, serif;
  color: var(--ink);
  margin: 0 0 0.5em 0;
  line-height: 1.18;
  font-weight: 600;
}

h1{ font-size: clamp(2.1rem, 4.2vw, 3.4rem); font-weight: 700; }
h2{ font-size: clamp(1.6rem, 2.6vw, 2.1rem); }
h3{ font-size: 1.25rem; }

p{ margin: 0 0 1em 0; max-width: 62ch; }
p.lede{ font-size: 1.15rem; color: var(--ink-soft); }

a{ color: var(--ink); text-decoration: none; }
a.textlink{
  color: var(--brass);
  border-bottom: 1px solid var(--brass-soft);
  padding-bottom: 1px;
}
a.textlink:hover{ border-bottom-color: var(--brass); }

img{ max-width: 100%; display: block; }

.wrap{
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 28px;
}

/* ---------- Botones ---------- */
.btn{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 24px;
  font-family: "IBM Plex Sans", sans-serif;
  font-size: 0.98rem;
  font-weight: 500;
  border-radius: var(--radius);
  cursor: pointer;
  border: 1px solid transparent;
}
.btn-primary{
  background: var(--ledger);
  color: var(--paper);
  border-color: var(--ledger);
}
.btn-primary:hover{ background: var(--ledger-2); }
.btn-ghost{
  background: transparent;
  color: var(--ink);
  border-color: var(--ink);
}
.btn-ghost:hover{ background: var(--ink); color: var(--paper); }
.btn-on-dark{
  border-color: var(--brass-soft);
  color: var(--paper);
}
.btn-on-dark:hover{ background: var(--brass); border-color: var(--brass); color: var(--ledger-2); }

/* ---------- Header / navegación ---------- */
header.site{
  border-bottom: 1px solid var(--line);
  background: var(--paper);
  position: sticky;
  top: 0;
  z-index: 20;
}
.nav-row{
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 28px;
  max-width: var(--max);
  margin: 0 auto;
}
.brand{
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: "Bitter", serif;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--ink);
}
.brand svg{ width: 30px; height: 30px; flex-shrink: 0; }
.brand .logo-img{
  width: 38px; height: 38px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  border: 1px solid var(--line);
}
.footer-brand{
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}
.footer-brand .logo-chip{
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--paper);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  padding: 4px;
}
.footer-brand .logo-chip img{ width: 100%; height: 100%; border-radius: 50%; object-fit: cover; }
.footer-brand span{ font-family: "Bitter", serif; font-weight: 700; font-size: 1.1rem; color: var(--paper); }
.brand .sub{
  display: block;
  font-family: "IBM Plex Sans", sans-serif;
  font-weight: 400;
  font-size: 0.68rem;
  color: var(--ink-soft);
  letter-spacing: 0.02em;
}

nav.main{ display: flex; align-items: center; gap: 28px; }
nav.main a{
  font-size: 0.96rem;
  color: var(--ink-soft);
  padding-bottom: 4px;
  border-bottom: 2px solid transparent;
}
nav.main a:hover, nav.main a.active{
  color: var(--ink);
  border-bottom-color: var(--brass);
}
.nav-cta{ display: flex; align-items: center; gap: 18px; }

.nav-toggle{
  display: none;
  background: none;
  border: 1px solid var(--ink);
  border-radius: var(--radius);
  padding: 8px 10px;
  cursor: pointer;
}
.nav-toggle span{
  display: block;
  width: 20px;
  height: 2px;
  background: var(--ink);
  margin: 4px 0;
}

@media (max-width: 860px){
  nav.main{
    display: none;
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 8px 28px 18px;
  }
  nav.main.open{ display: flex; }
  nav.main a{ padding: 10px 0; width: 100%; border-bottom: 1px solid var(--paper-2); }
  .nav-cta .btn{ display: none; }
  .nav-toggle{ display: block; }
}

/* ---------- Hero ---------- */
.hero{ padding: 72px 0 88px; }
.hero-grid{
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 56px;
  align-items: center;
}
.hero-actions{ display: flex; gap: 14px; margin-top: 30px; flex-wrap: wrap; }
.hero-note{
  margin-top: 22px;
  font-size: 0.9rem;
  color: var(--ink-soft);
}

/* Tarjeta-libro: fila de "asientos" del lado derecho del hero */
.ledger-card{
  border: 1px solid var(--ink);
  background: var(--paper);
  padding: 6px 0;
}
.ledger-card .entry{
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 14px;
  padding: 20px 22px;
  border-bottom: 1px solid var(--line);
}
.ledger-card .entry:last-child{ border-bottom: none; }
.ledger-card .num{
  font-family: "Bitter", serif;
  color: var(--brass);
  font-size: 1.1rem;
  font-weight: 600;
}
.ledger-card h4{ margin: 0 0 4px 0; font-size: 1.02rem; }
.ledger-card p{ margin: 0; font-size: 0.92rem; color: var(--ink-soft); max-width: 40ch; }

@media (max-width: 860px){
  .hero-grid{ grid-template-columns: 1fr; }
}

/* ---------- Secciones generales ---------- */
section{ padding: 76px 0; }
section.on-paper-2{ background: var(--paper-2); }
.section-head{ max-width: 60ch; margin-bottom: 44px; }
.section-head .kicker{
  display: block;
  color: var(--brass);
  font-size: 0.92rem;
  margin-bottom: 10px;
  font-weight: 500;
}

section.on-dark{
  background: var(--ledger);
  color: var(--paper);
}
section.on-dark h1, section.on-dark h2, section.on-dark h3{ color: var(--paper); }
section.on-dark p{ color: rgba(239,238,223,0.82); }
section.on-dark .section-head .kicker{ color: var(--brass-soft); }

/* ---------- Filas de libro contable (reemplazan a las "cards") ---------- */
.ledger-rows{ border-top: 1px solid var(--line); }
.ledger-row{
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 32px;
  padding: 30px 0;
  border-bottom: 1px solid var(--line);
}
.ledger-row h3{ margin: 0; }
.ledger-row .tag{
  display: inline-block;
  margin-top: 10px;
  font-size: 0.84rem;
  color: var(--brass);
}
.ledger-row ul{ margin: 12px 0 0 0; padding: 0; list-style: none; }
.ledger-row li{
  padding: 6px 0 6px 18px;
  border-left: 1px solid var(--line);
  color: var(--ink-soft);
}
@media (max-width: 700px){
  .ledger-row{ grid-template-columns: 1fr; gap: 10px; }
}

/* ---------- Secuencia / trayectoria (uso justificado de numeración) ---------- */
.timeline{ border-top: 1px solid var(--line-dark); margin-top: 12px; }
section.on-dark .timeline{ border-top-color: var(--line-dark); }
section:not(.on-dark) .timeline{ border-top-color: var(--line); }
.timeline .step{
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 22px;
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
}
section.on-dark .timeline .step{ border-bottom-color: var(--line-dark); }
.timeline .step .yr{
  font-family: "Bitter", serif;
  font-size: 1.2rem;
  color: var(--brass-soft);
}
.timeline .step h4{ margin: 0 0 4px 0; font-size: 1.05rem; }
.timeline .step p{ margin: 0; max-width: 56ch; }

/* ---------- Bloque de llamada a la acción ---------- */
.cta-split{
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 30px;
  flex-wrap: wrap;
}

/* ---------- Blog ---------- */
.post-rows{ border-top: 1px solid var(--line); }
.post-row{
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 28px;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
}
.post-row time{ color: var(--brass); font-size: 0.88rem; }
.post-row h3{ margin: 0 0 6px 0; }
@media (max-width: 700px){
  .post-row{ grid-template-columns: 1fr; gap: 6px; }
}

/* ---------- Formulario de contacto ---------- */
.form-grid{ display: grid; grid-template-columns: 1fr 1fr; gap: 20px; max-width: 640px; }
.form-grid .full{ grid-column: 1 / -1; }
label{ display: block; font-size: 0.88rem; color: var(--ink-soft); margin-bottom: 6px; }
input, textarea{
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--ink);
  background: var(--paper);
  color: var(--ink);
  font-family: "IBM Plex Sans", sans-serif;
  font-size: 0.98rem;
  border-radius: var(--radius);
}
input:focus, textarea:focus, a:focus-visible, button:focus-visible{
  outline: 2px solid var(--brass);
  outline-offset: 2px;
}
textarea{ min-height: 130px; resize: vertical; }
@media (max-width: 700px){ .form-grid{ grid-template-columns: 1fr; } }

.contact-info{ border-top: 1px solid var(--line); margin-top: 8px; }
.contact-info .row{
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 20px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}
.contact-info .row span.label{ color: var(--ink-soft); font-size: 0.9rem; }

/* ---------- Footer ---------- */
footer.site{
  background: var(--ledger-2);
  color: var(--paper);
  border-top: 3px solid var(--brass);
}
.footer-grid{
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 40px;
  padding: 56px 0 30px;
}
footer.site h4{ color: var(--paper); font-size: 0.95rem; margin-bottom: 14px; }
footer.site p, footer.site a{ color: rgba(239,238,223,0.78); }
footer.site a:hover{ color: var(--brass-soft); }
footer.site nav{ display: flex; flex-direction: column; gap: 10px; }
.footer-bottom{
  border-top: 1px solid var(--line-dark);
  padding: 18px 28px;
  font-size: 0.82rem;
  color: rgba(239,238,223,0.6);
  max-width: var(--max);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}
@media (max-width: 700px){
  .footer-grid{ grid-template-columns: 1fr; padding: 44px 0 20px; }
}

/* ---------- Utilidades ---------- */
.mt-0{ margin-top: 0; }
.center-note{ text-align: center; color: var(--ink-soft); font-size: 0.92rem; }