/* ==========================================================================
   G4 Quant Capital — hoja de estilos
   Una sola pantalla. Tipografía Archivo. Cabecera en el azul oscuro del
   logo; el resto en blanco con texto azul. El naranja solo en el "4".
   ========================================================================== */

:root {
  --bg: #FFFFFF;
  --ink: #181A2C;        /* azul del logo */
  --navy: #181A2C;       /* fondo de la cabecera: el mismo del logo */
  --text: #2B2E3D;
  --muted: #5E6270;
  --faint: #8B8E99;
  --line: #DCDDE2;
  --orange: #E6841F;
  --gutter: 3rem;
  --display: "Montserrat", system-ui, sans-serif;   /* solo el logotipo */
  --body: "Archivo", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }

/* El tamaño base se ajusta a la altura de la ventana para que todo quepa sin scroll. */
html { font-size: clamp(13px, 1.85vh, 16px); -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100svh;
  display: flex; flex-direction: column;
  background: var(--bg);
  color: var(--text);
  font: 400 1rem/1.6 var(--body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: inherit; }
p, ul, dl, dd, h1, h2 { margin: 0; padding: 0; }
::selection { background: var(--ink); color: var(--bg); }
:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; }

.page {
  flex: 1;
  width: 100%;
  display: flex; flex-direction: column;
  max-width: 1180px; margin: 0 auto;
  padding: 0 clamp(20px, 5vw, 48px);
}

/* ---------- cabecera: franja azul oscuro a todo el ancho ---------- */
.top { background: var(--navy); color: #fff; }
.top__inner {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem 2rem;
  max-width: 1180px; margin: 0 auto;
  padding: 1.4rem clamp(20px, 5vw, 48px);
}
.brand { display: inline-flex; align-items: center; gap: .75rem; font-size: 1rem; font-weight: 400; }
.brand__mark { font: 800 1.7rem/1 var(--display); letter-spacing: -.035em; color: var(--ink); }
.brand__mark span { color: var(--orange); }
.brand__name { font: 700 .72rem/1 var(--display); letter-spacing: .22em; text-transform: uppercase; color: var(--ink); }
.top .brand__mark, .top .brand__name { color: #fff; }

.mail { font-weight: 600; font-size: .95rem; color: var(--ink); text-decoration: none; }
.top .mail { color: #fff; }
.mail:hover { text-decoration: underline; text-underline-offset: 3px; }

/* Botón de idioma y correo inferior: solo en el celular */
.lang, .mail--m { display: none; }

/* ---------- contenido ---------- */
.main { flex: 1; display: flex; flex-direction: column; justify-content: center; padding: 2rem 0; }

.cols { display: grid; grid-template-columns: 1fr 1fr; grid-template-rows: repeat(3, auto); }
/* subgrid: párrafo, lista y nota quedan a la misma altura en ambos idiomas */
.col { display: grid; grid-row: 1 / span 3; grid-template-rows: subgrid; align-content: start; padding-right: var(--gutter); }
.col + .col { padding-left: var(--gutter); padding-right: 0; border-left: 1px solid var(--line); }

.lead { font-size: 1.75rem; font-weight: 600; line-height: 1.16; letter-spacing: -.028em; color: var(--ink); text-wrap: pretty; }

.list { margin-top: 1.5rem; list-style: none; }
.list li { position: relative; padding-left: 1.5rem; font-size: .95rem; line-height: 1.55; color: var(--muted); }
.list li + li { margin-top: .3rem; }
.list li::before { content: "—"; position: absolute; left: 0; top: 0; color: var(--faint); }

.note { margin-top: 1.15rem; font-stretch: 115%; font-weight: 700; font-size: .82rem; text-transform: uppercase; letter-spacing: .04em; color: var(--ink); }

.facts { display: grid; grid-template-columns: 1fr 1fr; margin-top: 2.2rem; border-top: 1px solid var(--line); }
.facts > div { display: grid; grid-template-columns: 10.5rem 1fr; gap: 1rem; padding: .8rem var(--gutter) .8rem 0; border-bottom: 1px solid var(--line); }
.facts > div:nth-child(even) { padding: .8rem 0 .8rem var(--gutter); border-left: 1px solid var(--line); }
.facts dt { font-stretch: 70%; font-weight: 600; font-size: .86rem; line-height: 1.7; text-transform: uppercase; letter-spacing: .03em; color: var(--faint); }
.facts dd { font-size: .92rem; font-weight: 500; line-height: 1.55; color: var(--ink); }

/* ---------- pie ---------- */
.footer {
  display: grid; grid-template-columns: 1fr 1fr; row-gap: .85rem;
  padding: 1.2rem 0 1.4rem;
  border-top: 1px solid var(--line);
  font-size: max(10.5px, .76rem); font-stretch: 95%; line-height: 1.6; color: var(--faint);
}
.footer__brand { grid-column: 1 / -1; display: flex; align-items: center; gap: .9rem; color: var(--muted); }
.footer__brand .brand__mark { font-size: 1.25rem; }
.footer__meta { margin-left: auto; color: var(--faint); }
.footer__legal { padding-right: var(--gutter); text-wrap: pretty; }
.footer__legal + .footer__legal { padding-left: var(--gutter); padding-right: 0; border-left: 1px solid var(--line); }

/* ---------- pantallas bajas: apretar espacios para que no haya scroll ---------- */
@media (min-width: 701px) and (max-height: 700px) {
  .top__inner { padding-top: 1rem; padding-bottom: 1rem; }
  .main { padding: 1.4rem 0; }
  .facts { margin-top: 1.6rem; }
  .footer { padding: .9rem 0 1rem; }
}

/* ---------- tablet: dos columnas más juntas, datos en una columna ---------- */
@media (max-width: 1000px) {
  html { font-size: clamp(13px, 1.45vh, 16px); }
  :root { --gutter: 2rem; }
  .facts { grid-template-columns: minmax(0, 1fr); }
  .facts > div, .facts > div:nth-child(even) { padding: .7rem 0; border-left: 0; }
}

/* ---------- móvil: un idioma a la vez, con botón ES · EN ---------- */
@media (max-width: 700px) {
  html { font-size: clamp(11.5px, 1.6vh, 14.5px); }
  :root { --gutter: 0; }
  .page { padding: 0 18px; }
  .top__inner { flex-wrap: nowrap; padding: .9rem 18px; }
  .brand { gap: .55rem; }
  .brand__mark { font-size: 1.6rem; }
  .brand__name { font-size: .68rem; letter-spacing: .18em; }
  .top .mail { display: none; }

  .lang { display: flex; gap: .9rem; }
  .lang button {
    appearance: none; background: none; border: 0; padding: .25rem 0;
    font: 500 .85rem/1 var(--body); letter-spacing: .06em; color: rgba(255, 255, 255, .55); cursor: pointer;
  }
  .lang button[aria-pressed="true"] { color: #fff; font-weight: 700; }

  /* un solo idioma visible */
  .sep { display: none; }
  html:not([data-lang="en"]) .page [lang="en"] { display: none; }
  html[data-lang="en"] .page [lang="es"] { display: none; }

  .main { padding: 1.3rem 0; }
  .cols, .footer { grid-template-columns: minmax(0, 1fr); }
  .cols { grid-template-rows: none; }
  .col { display: block; grid-row: auto; }
  .col + .col { border: 0; margin: 0; padding: 0; }
  .lead { font-size: 1.42rem; line-height: 1.18; }
  .list { margin-top: 1rem; }
  .list li { padding-left: 1.35rem; font-size: 1rem; line-height: 1.45; }
  .list li + li { margin-top: .22rem; }
  .note { margin-top: 1rem; font-size: .88rem; }

  .mail--m { display: inline-block; align-self: flex-start; margin-top: 1rem; font-size: 1rem; }

  .facts { margin-top: 1.3rem; }
  .facts > div, .facts > div:nth-child(even) { grid-template-columns: 5.9rem minmax(0, 1fr); gap: .6rem; padding: .5rem 0; border-left: 0; }
  .facts dt { font-size: .85rem; line-height: 1.55; }
  .facts dd { font-size: .92rem; line-height: 1.5; }

  .footer { padding: .9rem 0 1.1rem; row-gap: .5rem; font-size: max(10px, .76rem); line-height: 1.5; }
  .footer__brand { flex-wrap: wrap; align-items: flex-start; column-gap: .6rem; row-gap: .15rem; }
  .footer__brand .brand__mark { font-size: 1.15rem; }
  .footer__brand p:not(.footer__meta) { flex: 1; min-width: 0; }
  .footer__meta { margin-left: 0; width: 100%; }
  .footer__legal + .footer__legal { border-left: 0; }
}

/* teléfonos bajos (p. ej. iPhone SE) */
@media (max-width: 700px) and (max-height: 700px) {
  .main { padding: .9rem 0; }
  .list li + li { margin-top: .15rem; }
  .facts > div, .facts > div:nth-child(even) { padding: .4rem 0; }
}