/* Inversiones GV — hoja de estilos
   Concepto: membrete corporativo. Colores tomados del logo (azul, verde, plata).
   No hay manual de marca: tipografía de sistema provisional. */
:root {
  --ink: #1b2e5c;        /* azul del logo, oscurecido para texto */
  --ink-2: #33415c;      /* texto secundario */
  --paper: #f6f7f9;      /* fondo general, gris frío */
  --card: #ffffff;
  --rule: #d9dde5;       /* reglas y bordes */
  --brass: #1a7a3a;      /* verde del logo (AA sobre fondo claro) */
  --brass-soft: #e3f1e6;
  --navy: #1d3a74;       /* azul del logo */
  --silver: #9a9ea7;     /* plata del logo */
  --on-ink: #f3f4f7;
  --focus: #2b5fd9;
  --f-display: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
  --f-body: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --step--1: .875rem; --step-0: 1rem; --step-1: 1.2rem; --step-2: 1.5rem; --step-3: 2rem; --step-4: clamp(2.2rem, 5vw, 3.2rem);
  --wrap: 72rem;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --ink: #e7eaf1; --ink-2: #b4bccb; --paper: #0f1626; --card: #172034; --rule: #2a3550;
    --brass: #6cc77e; --brass-soft: #1e3a2a; --navy: #a9bde8; --silver: #9a9ea7; --on-ink: #0f1626; --focus: #8fb0ff;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --ink: #e7eaf1; --ink-2: #b4bccb; --paper: #0f1626; --card: #172034; --rule: #2a3550;
  --brass: #6cc77e; --brass-soft: #1e3a2a; --navy: #a9bde8; --silver: #9a9ea7; --on-ink: #0f1626; --focus: #8fb0ff;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 400 var(--step-0)/1.65 var(--f-body); }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-underline-offset: .2em; }
a:hover { color: var(--brass); }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; border-radius: 2px; }
h1, h2, h3 { font-family: var(--f-display); font-weight: 600; line-height: 1.15; text-wrap: balance; margin: 0; letter-spacing: -.005em; }
h1 { font-size: var(--step-4); }
h2 { font-size: var(--step-3); }
h3 { font-size: var(--step-1); }
p { margin: 0; max-width: 65ch; }
.skip { position: absolute; left: -999px; top: 0; background: var(--ink); color: var(--paper); padding: .6rem 1rem; z-index: 100; }
.skip:focus { left: 1rem; top: 1rem; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }
.eyebrow { font-size: var(--step--1); letter-spacing: .14em; text-transform: uppercase; color: var(--brass); font-weight: 600; }
.lead { font-size: var(--step-1); color: var(--ink-2); }
.muted { color: var(--ink-2); }
.stack { display: grid; gap: 1rem; }

/* Encabezado */
.site-header { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 20; background: var(--paper); border-bottom: 1px solid var(--rule); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding-block: .85rem; flex-wrap: wrap; }
.brand { text-decoration: none; display: flex; flex-direction: column; line-height: 1.1; }
.logo { display: block; width: 150px; height: auto; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .logo { background: #fff; border-radius: 4px; padding: 4px 6px; box-sizing: content-box; } }
:root[data-theme="dark"] .logo { background: #fff; border-radius: 4px; padding: 4px 6px; box-sizing: content-box; }
.brand b { font-family: var(--f-display); font-size: 1.35rem; font-weight: 600; }
.brand small { font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-2); }
.nav { display: flex; gap: 1.25rem; align-items: center; flex-wrap: wrap; }
.nav a { text-decoration: none; font-size: .95rem; padding-block: .25rem; }
.nav a[aria-current="page"] { border-bottom: 2px solid var(--brass); }

/* Botones */
.btn { display: inline-flex; align-items: center; gap: .5rem; padding: .7rem 1.15rem; border-radius: 4px; text-decoration: none; font-weight: 600; font-size: .95rem; border: 1px solid transparent; line-height: 1.2; }
.btn-line { border-color: var(--ink); color: var(--ink); }
.btn-line:hover { background: var(--ink); color: var(--paper); }
.btn svg { width: 1.1em; height: 1.1em; flex: none; }
.actions { display: flex; flex-wrap: wrap; gap: .75rem; }

/* Secciones */
.section { padding-block: clamp(3rem, 7vw, 5rem); }
.section + .section { border-top: 1px solid var(--rule); }
.section-head { display: grid; gap: .6rem; margin-bottom: 2rem; }
.hero { padding-block: clamp(3rem, 8vw, 6rem) clamp(2.5rem, 6vw, 4rem); }
.hero-grid { display: grid; gap: 2.5rem; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); align-items: center; }
.hero h1 { margin-block: .6rem 1rem; }
.hero .actions { margin-top: 1.75rem; }

/* Diagrama de estructura */
.org { display: grid; gap: .6rem; justify-items: stretch; font-size: .95rem; }
.org-node { background: var(--card); border: 1px solid var(--rule); padding: .8rem 1rem; border-radius: 4px; }
.org-node strong { display: block; font-family: var(--f-display); font-size: 1.1rem; }
.org-node span { color: var(--ink-2); font-size: .85rem; }
.org-node.is-self { border-color: var(--brass); box-shadow: inset 4px 0 0 var(--brass); }
.org-link { justify-self: center; width: 1px; height: 1.1rem; background: var(--rule); }
.org-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .6rem; }

/* Marcas */
.brands { display: grid; gap: 1.25rem; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.brand-card { background: var(--card); border: 1px solid var(--rule); border-radius: 4px; display: grid; grid-template-rows: auto 1fr; overflow: hidden; }
.brand-card .body { padding: 1.4rem; display: grid; gap: .8rem; align-content: start; }
.brand-card .tag { font-size: var(--step--1); color: var(--ink-2); }
.brand-card ul { margin: 0; padding-left: 1.1rem; color: var(--ink-2); }
.brand-card .actions { margin-top: .4rem; }
.ext::after { content: " ↗"; font-size: .85em; }

/* Fotos y logos de marca */
.media { aspect-ratio: 4 / 3; max-width: 100%; border-bottom: 1px solid var(--rule); overflow: hidden; }
.media img { width: 100%; height: 100%; object-fit: cover; }
.logo-panel { background: #fff; display: grid; place-content: center; justify-items: center; gap: 1rem; padding: 1.5rem; }
.logo-panel img { width: min(60%, 240px); height: auto; object-fit: contain; }
.logo-panel span { font-size: .8rem; color: #4a5568; }
.photo { margin: 0; display: grid; gap: .5rem; }
.photo img { width: 100%; height: auto; border-radius: 4px; border: 1px solid var(--rule); }
.photo figcaption { font-size: .85rem; color: var(--ink-2); }

/* Foto pendiente */
.ph { aspect-ratio: 4 / 3; max-width: 100%; background: repeating-linear-gradient(135deg, var(--paper) 0 12px, var(--card) 12px 24px); border-bottom: 1px solid var(--rule); display: grid; place-items: center; color: var(--ink-2); font-size: .85rem; text-align: center; padding: 1rem; }
.ph.tall { aspect-ratio: 4 / 3; border: 1px solid var(--rule); border-radius: 4px; }
.ph b { display: block; letter-spacing: .12em; text-transform: uppercase; font-size: .75rem; color: var(--brass); }

/* Pendiente */
.pending { display: inline-block; background: var(--brass-soft); color: var(--ink); border: 1px dashed var(--brass); padding: .05rem .45rem; border-radius: 3px; font-size: .85em; }

/* Listas de datos */
.facts { display: grid; grid-template-columns: max-content minmax(0, 1fr); gap: .65rem 1.5rem; margin: 0; }
.facts dt { font-weight: 600; }
.facts dd { margin: 0; color: var(--ink-2); }
.cols-2 { display: grid; gap: 2rem; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.group-links { display: grid; gap: 1rem; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.group-links a { display: grid; gap: .25rem; padding: 1.1rem 1.2rem; border: 1px solid var(--rule); border-radius: 4px; background: var(--card); text-decoration: none; }
.group-links a span { color: var(--ink-2); font-size: .9rem; }
.notice { border-left: 3px solid var(--brass); padding: .4rem 0 .4rem 1rem; color: var(--ink-2); font-size: .95rem; }

/* Pie */
.site-footer { background: var(--ink); color: var(--on-ink); padding-block: 3rem 2rem; margin-top: 0; }
.site-footer a { color: var(--on-ink); }
.site-footer a:hover { color: var(--brass-soft); }
.foot-grid { display: grid; gap: 2rem; grid-template-columns: 1.4fr repeat(3, minmax(0, 1fr)); }
.foot-grid h2 { font-size: .8rem; letter-spacing: .14em; text-transform: uppercase; font-family: var(--f-body); margin-bottom: .75rem; opacity: .8; }
.foot-grid ul { list-style: none; margin: 0; padding: 0; display: grid; gap: .4rem; font-size: .95rem; }
.legal { margin-top: 2.5rem; padding-top: 1.25rem; border-top: 1px solid color-mix(in srgb, var(--on-ink) 25%, transparent); font-size: .85rem; opacity: .85; }
.site-footer .pending { color: var(--ink); }

@media (max-width: 720px) {
  .hero-grid, .brands, .cols-2, .group-links, .foot-grid { grid-template-columns: minmax(0, 1fr); }
  .org-row { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .nav { gap: .9rem; }
  .logo { width: 120px; }
  .nav a { font-size: .9rem; }
  .facts { grid-template-columns: minmax(0, 1fr); gap: .2rem; }
  .facts dd { margin-bottom: .6rem; }
}
@media (prefers-reduced-motion: no-preference) {
  .btn, .group-links a { transition: background-color .15s ease, color .15s ease, border-color .15s ease; }
}