/* ── Derecho Integral — sistema de diseño ─────────────────────────────
   Carbón #16181D · Blanco · Piedra #F4F2EE · Oro viejo #A08243
   Display: Source Serif 4 · Texto: Inter                                */

:root {
  --carbon: #16181d;
  --carbon-suave: #4b4f58;
  --blanco: #ffffff;
  --piedra: #f4f2ee;
  --oro: #a08243;
  --oro-claro: #c9b98a;
  --linea: rgba(22, 24, 29, 0.14);
  --serif: "Source Serif 4", Georgia, serif;
  --sans: "Inter", system-ui, sans-serif;
  --ancho: 1280px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--carbon);
  background: var(--blanco);
  -webkit-font-smoothing: antialiased;
}

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

:focus-visible {
  outline: 2px solid var(--oro);
  outline-offset: 3px;
}

.contenedor {
  width: 100%;
  max-width: var(--ancho);
  margin-inline: auto;
  padding-inline: 24px;
}

.seccion { padding-block: 96px; }
@media (max-width: 767px) { .seccion { padding-block: 64px; } }

/* Tipografía */
h1, h2, h3, .display {
  font-family: var(--serif);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.01em;
}
p { max-width: 68ch; }

.eyebrow {
  font-family: var(--sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--oro);
}

.entradilla {
  font-family: var(--serif);
  font-size: 1.35rem;
  font-weight: 400;
  color: var(--carbon-suave);
  max-width: 56ch;
}

/* ── Cabecera ── */
.cabecera {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--blanco);
  border-bottom: 1px solid var(--linea);
}
.cabecera-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 72px;
}
.logo {
  font-family: var(--serif);
  font-size: 1.3rem;
  font-weight: 600;
  text-decoration: none;
  letter-spacing: 0.01em;
  white-space: nowrap;
}
.logo em { font-style: normal; color: var(--oro); }
.menu { display: flex; gap: 28px; list-style: none; }
.menu a {
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  padding-bottom: 4px;
}
.menu a:hover { color: var(--oro); }
.menu a[aria-current="page"] { border-bottom: 2px solid var(--oro); }
.boton {
  display: inline-block;
  background: var(--carbon);
  color: var(--blanco);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 12px 26px;
  border: 1px solid var(--carbon);
  transition: background 0.2s, color 0.2s;
}
.boton:hover { background: var(--blanco); color: var(--carbon); }
.boton-claro { background: var(--blanco); color: var(--carbon); border-color: var(--blanco); }
.boton-claro:hover { background: transparent; color: var(--blanco); }

.btn-menu {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.6rem;
  line-height: 1;
}
@media (max-width: 980px) {
  .menu-zona { display: none; }
  .btn-menu { display: block; }
  .cabecera.abierta .menu-zona {
    display: block;
    position: fixed;
    inset: 72px 0 0 0;
    background: var(--blanco);
    padding: 40px 24px;
    overflow: auto;
  }
  .cabecera.abierta .menu { flex-direction: column; gap: 20px; }
  .cabecera.abierta .menu a { font-family: var(--serif); font-size: 1.6rem; }
  .cabecera.abierta .cta-cabecera { margin-top: 28px; display: inline-block; }
}

/* ── Hero ── */
.hero {
  background: var(--carbon);
  color: var(--blanco);
  position: relative;
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    90deg,
    rgba(255, 255, 255, 0.045) 0 1px,
    transparent 1px 96px
  );
  pointer-events: none;
}
.hero .contenedor { position: relative; z-index: 1; }
.hero h1 {
  font-size: clamp(2.4rem, 6vw, 4.6rem);
  max-width: 17ch;
}
.hero .entradilla { color: rgba(255, 255, 255, 0.72); }
.hero-acciones { display: flex; flex-wrap: wrap; gap: 20px; align-items: center; margin-top: 40px; }
.enlace-claro {
  color: var(--blanco);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 5px;
}
.filete-oro { width: 64px; height: 3px; background: var(--oro); margin-bottom: 28px; }

/* ── Franja credenciales ── */
.credenciales { border-bottom: 1px solid var(--linea); }
.credenciales-grid {
  display: grid;
  gap: 32px;
  padding-block: 48px;
}
@media (min-width: 768px) { .credenciales-grid { grid-template-columns: repeat(3, 1fr); } }
.credencial h3 { font-size: 1.15rem; margin-bottom: 6px; }
.credencial p { font-size: 0.95rem; color: var(--carbon-suave); }

/* ── Tarjetas de área ── */
.grid-areas {
  display: grid;
  gap: 1px;
  background: var(--linea);
  border: 1px solid var(--linea);
}
@media (min-width: 720px) { .grid-areas { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1080px) { .grid-areas { grid-template-columns: repeat(3, 1fr); } }
.tarjeta-area {
  background: var(--blanco);
  padding: 32px 28px;
  text-decoration: none;
  display: block;
  transition: background 0.2s;
}
.tarjeta-area:hover { background: var(--piedra); }
.tarjeta-area h3 { font-size: 1.3rem; margin-bottom: 10px; }
.tarjeta-area h3::after {
  content: " →";
  color: var(--oro);
  font-family: var(--sans);
  font-size: 1rem;
}
.tarjeta-area p { font-size: 0.95rem; color: var(--carbon-suave); }

/* ── Insights ── */
.grid-insights { display: grid; gap: 40px; }
@media (min-width: 900px) { .grid-insights { grid-template-columns: repeat(3, 1fr); } }
.tarjeta-insight { text-decoration: none; display: block; }
.tarjeta-insight .marco {
  aspect-ratio: 16 / 9;
  background: var(--carbon);
  display: flex;
  align-items: flex-end;
  padding: 20px;
  margin-bottom: 18px;
}
.tarjeta-insight .marco span {
  font-family: var(--serif);
  color: var(--oro-claro);
  font-size: 2rem;
  line-height: 1;
}
.tarjeta-insight h3 { font-size: 1.25rem; margin: 8px 0; }
.tarjeta-insight:hover h3 { text-decoration: underline; text-underline-offset: 4px; }
.tarjeta-insight .meta {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--oro);
}
.tarjeta-insight p { font-size: 0.95rem; color: var(--carbon-suave); }

/* ── Bloques oscuros ── */
.bloque-oscuro { background: var(--carbon); color: var(--blanco); }
.bloque-oscuro .eyebrow { color: var(--oro-claro); }
.bloque-oscuro h2 { font-size: clamp(1.8rem, 4vw, 2.8rem); max-width: 24ch; }
.bloque-oscuro p { color: rgba(255, 255, 255, 0.72); }

/* ── Sección piedra ── */
.bloque-piedra { background: var(--piedra); }

/* ── Dos columnas editoriales ── */
.dos-col { display: grid; gap: 48px; }
@media (min-width: 980px) { .dos-col { grid-template-columns: 5fr 6fr; } }
.dos-col h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); }

/* ── Equipo ── */
.grid-equipo { display: grid; gap: 40px; }
@media (min-width: 640px) { .grid-equipo { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .grid-equipo { grid-template-columns: repeat(4, 1fr); } }
.ficha-persona .retrato {
  aspect-ratio: 1;
  background: var(--piedra);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--carbon-suave);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.ficha-persona h3 { font-size: 1.15rem; }
.ficha-persona .cargo { font-size: 0.85rem; color: var(--oro); font-weight: 600; margin: 4px 0; }
.ficha-persona p { font-size: 0.9rem; color: var(--carbon-suave); }

/* ── Listas de servicios ── */
.lista-servicios { list-style: none; }
.lista-servicios li {
  padding: 14px 0;
  border-top: 1px solid var(--linea);
  font-size: 1.05rem;
}

/* ── Artículo ── */
.articulo { max-width: 760px; margin-inline: auto; }
.articulo h1 { font-size: clamp(1.9rem, 4.5vw, 3rem); margin: 16px 0; }
.articulo .cuerpo p { margin-bottom: 24px; }
.articulo .cuerpo p:first-of-type::first-letter {
  font-family: var(--serif);
  font-size: 3.2em;
  float: left;
  line-height: 0.85;
  padding-right: 10px;
  color: var(--oro);
}

/* ── Formularios ── */
input, textarea {
  width: 100%;
  font: inherit;
  padding: 12px 14px;
  border: 1px solid var(--linea);
  background: var(--blanco);
}

/* ── Pie ── */
.pie { background: var(--carbon); color: var(--blanco); }
.pie-grid { display: grid; gap: 40px; padding-block: 72px; }
@media (min-width: 900px) { .pie-grid { grid-template-columns: 2fr 1fr 1fr 1fr; } }
.pie h4 {
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--oro-claro);
  margin-bottom: 16px;
  font-family: var(--sans);
}
.pie ul { list-style: none; }
.pie li { margin-bottom: 8px; }
.pie a { color: rgba(255, 255, 255, 0.78); text-decoration: none; font-size: 0.95rem; }
.pie a:hover { color: var(--blanco); text-decoration: underline; }
.pie-legal {
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  padding-block: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: space-between;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.55);
}
.pie-legal a { color: inherit; }

/* ── Migas ── */
.migas { font-size: 0.85rem; color: var(--carbon-suave); }
.migas a { color: inherit; }

/* ── Revelado ── */
.revela { opacity: 0; transform: translateY(20px); transition: opacity 0.45s ease-out, transform 0.45s ease-out; }
.revela.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .revela { opacity: 1; transform: none; transition: none; }
  * { transition-duration: 0.01ms !important; }
}