/* ==========================================================================
   GREBET LUMA, S.L. — hoja de estilos
   Registro visual: instrumento societario. Papel mineral, azul de tinta,
   granate como única nota de color. Newsreader para la lectura,
   IBM Plex Sans para la interfaz y los datos.
   ========================================================================== */

/* --- Tokens ------------------------------------------------------------- */
:root {
  --papel:     #F4F4F1;
  --papel-2:   #E9EAE5;
  --papel-3:   #DDDFD9;
  --tinta:     #1B2733;
  --marina:    #23405C;
  --profundo:  #14202D;
  --granate:   #7B3040;
  --granate-c: #C0798A;
  --gris:      #6E7A83;
  --linea:     #D2D5D0;
  --linea-inv: rgba(244, 244, 241, 0.16);

  --lectura: "Newsreader", Georgia, "Times New Roman", serif;
  --interfaz: "IBM Plex Sans", "Helvetica Neue", Arial, sans-serif;

  --ancho: 1160px;
  --medida: 66ch;
  --radio: 2px;
}

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

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--papel);
  color: var(--tinta);
  font-family: var(--lectura);
  font-size: 1.125rem;
  font-weight: 400;
  line-height: 1.72;
  font-optical-sizing: auto;
  -webkit-font-smoothing: antialiased;
}

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

h1, h2, h3, h4 {
  font-family: var(--lectura);
  margin: 0 0 1rem;
  line-height: 1.16;
  letter-spacing: -0.015em;
  text-wrap: balance;
}

h1 { font-size: clamp(2.4rem, 5.6vw, 4.15rem); font-weight: 300; line-height: 1.04; }
h2 { font-size: clamp(1.75rem, 3.4vw, 2.6rem); font-weight: 300; }
h3 { font-size: clamp(1.2rem, 2vw, 1.4rem); font-weight: 600; letter-spacing: -0.005em; }
h4 { font-size: 1.08rem; font-weight: 600; }

p { margin: 0 0 1.1rem; max-width: var(--medida); }

a { color: var(--marina); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--granate); }

ul, ol { max-width: var(--medida); padding-left: 1.2rem; }
li { margin-bottom: 0.5rem; }

strong { font-weight: 600; }

:focus-visible {
  outline: 2.5px solid var(--granate);
  outline-offset: 3px;
  border-radius: var(--radio);
}

/* --- Utilidades --------------------------------------------------------- */
.marco {
  width: 100%;
  max-width: var(--ancho);
  margin-inline: auto;
  padding-inline: clamp(1.2rem, 4.5vw, 3rem);
}

.oculto-visual {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.salto {
  position: absolute; left: 1rem; top: -4rem; z-index: 200;
  background: var(--granate); color: #fff;
  font-family: var(--interfaz); font-size: 0.92rem; font-weight: 500;
  padding: 0.7rem 1.1rem; text-decoration: none; border-radius: var(--radio);
  transition: top 0.15s ease;
}
.salto:focus { top: 1rem; color: #fff; }

.seccion { padding-block: clamp(3.5rem, 8vw, 6.5rem); }
.seccion--alt { background: var(--papel-2); }
.seccion--tinta { background: var(--profundo); color: #C9D2DA; }
.seccion--tinta h2, .seccion--tinta h3, .seccion--tinta h4 { color: var(--papel); }
.seccion--tinta a { color: var(--granate-c); }
.seccion--tinta strong { color: var(--papel); }

.sumario {
  font-size: clamp(1.15rem, 1.9vw, 1.4rem);
  line-height: 1.6;
  color: #3B4855;
  max-width: 54ch;
  font-weight: 300;
}
.seccion--tinta .sumario { color: #A8B6C2; }

/* Rótulo de sección: pequeño, en sans, con filete granate */
.rotulo {
  font-family: var(--interfaz);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--granate);
  display: flex; align-items: center; gap: 0.7rem;
  margin: 0 0 1.4rem;
}
.rotulo::before {
  content: ""; width: 1.9rem; height: 1px;
  background: var(--granate); flex: none;
}
.seccion--tinta .rotulo { color: var(--granate-c); }
.seccion--tinta .rotulo::before { background: var(--granate-c); }

/* --- Botones ------------------------------------------------------------ */
.btn {
  display: inline-flex; align-items: center;
  font-family: var(--interfaz);
  font-size: 0.95rem; font-weight: 500;
  padding: 0.8rem 1.55rem;
  border: 1px solid transparent;
  border-radius: var(--radio);
  text-decoration: none; cursor: pointer;
  transition: background-color 0.16s ease, color 0.16s ease, border-color 0.16s ease;
}
.btn--solido { background: var(--marina); color: var(--papel); }
.btn--solido:hover { background: var(--profundo); color: var(--papel); }
.btn--perfil { border-color: var(--marina); color: var(--marina); }
.btn--perfil:hover { background: var(--marina); color: var(--papel); }
.btn--claro { border-color: rgba(244,244,241,0.4); color: var(--papel); }
.btn--claro:hover { background: var(--papel); color: var(--profundo); }

/* --- Cabecera ----------------------------------------------------------- */
.cabecera {
  background: var(--papel);
  border-bottom: 1px solid var(--linea);
  position: sticky; top: 0; z-index: 100;
}
.cabecera__fila {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; min-height: 82px;
}

.sello {
  display: inline-flex; align-items: center; gap: 0.8rem;
  text-decoration: none; color: var(--tinta);
}
.sello:hover { color: var(--tinta); }
.sello__marca { width: 32px; height: 32px; flex: none; color: var(--marina); }
.sello__linea { display: flex; flex-direction: column; line-height: 1.1; }
.sello__nombre {
  font-family: var(--lectura); font-weight: 500;
  font-size: 1.2rem; letter-spacing: 0.005em;
}
.sello__pie {
  font-family: var(--interfaz); font-size: 0.7rem;
  color: var(--gris); letter-spacing: 0.045em;
}

.menu { display: flex; align-items: center; gap: 0.2rem; }
.menu a {
  font-family: var(--interfaz); font-size: 0.94rem; font-weight: 450;
  color: #43525F; text-decoration: none;
  padding: 0.6rem 0.9rem; border-radius: var(--radio);
  transition: color 0.15s ease, background-color 0.15s ease;
}
.menu a:hover { color: var(--profundo); background: var(--papel-2); }
.menu a[aria-current="page"] {
  color: var(--profundo); font-weight: 600;
  box-shadow: inset 0 -2px 0 var(--granate);
}
.menu__accion { margin-left: 0.6rem; }

.abrir-menu {
  display: none;
  background: transparent; border: 1px solid var(--linea);
  color: var(--tinta); border-radius: var(--radio);
  padding: 0.5rem 0.85rem; cursor: pointer;
  font-family: var(--interfaz); font-size: 0.9rem; font-weight: 500;
}

/* --- Portada ------------------------------------------------------------ */
.portada {
  position: relative; overflow: hidden;
  padding-block: clamp(3.5rem, 9vw, 7rem) 0;
}
.portada__filigrana {
  position: absolute; right: -17%; top: -21%;
  width: min(780px, 70vw); opacity: 0.085;
  color: var(--marina); pointer-events: none; z-index: 0;
}
.portada__cuerpo { position: relative; z-index: 1; max-width: 46ch; }
.portada h1 { margin-bottom: 1.5rem; }
.portada__texto {
  font-size: clamp(1.12rem, 1.8vw, 1.32rem);
  color: #3B4855; font-weight: 300; line-height: 1.62;
  margin-bottom: 2.2rem;
}
.portada__acciones { display: flex; flex-wrap: wrap; gap: 0.8rem; }

/* Banda de identificación, a modo de membrete */
.membrete {
  position: relative; z-index: 1;
  margin-top: clamp(3.5rem, 7vw, 5.5rem);
  border-top: 1px solid var(--tinta);
  padding-top: 1.6rem;
  padding-bottom: clamp(2rem, 3.5vw, 2.75rem);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(175px, 1fr));
  gap: 1.6rem clamp(1.5rem, 4vw, 3rem);
}
.membrete div { min-width: 0; }
.membrete dt {
  font-family: var(--interfaz); font-size: 0.76rem; font-weight: 500;
  color: var(--gris); margin-bottom: 0.35rem;
}
.membrete dd {
  margin: 0; font-family: var(--interfaz); font-size: 1.02rem;
  font-weight: 450; color: var(--tinta);
  font-variant-numeric: tabular-nums; line-height: 1.45;
}
.membrete dd a { color: var(--tinta); text-decoration-color: var(--linea); }
.membrete dd a:hover { color: var(--granate); }

/* --- Encabezado de páginas interiores ----------------------------------- */
.frontis {
  background: var(--papel);
  border-bottom: 1px solid var(--linea);
  padding-block: clamp(2.5rem, 6vw, 4.5rem);
}
.frontis h1 { max-width: 18ch; margin-bottom: 1.1rem; }
.frontis p { color: #3B4855; max-width: 56ch; margin: 0; font-weight: 300; }

.ruta {
  font-family: var(--interfaz); font-size: 0.82rem;
  color: var(--gris); margin-bottom: 1.4rem;
}
.ruta a { color: var(--gris); text-decoration: none; }
.ruta a:hover { color: var(--granate); text-decoration: underline; }
.ruta span { margin-inline: 0.45rem; color: var(--linea); }

/* --- Cláusula del objeto social ----------------------------------------- */
.clausula {
  border-left: 2px solid var(--granate);
  padding: 0.4rem 0 0.4rem clamp(1.25rem, 3vw, 2.25rem);
  max-width: 60ch;
}
.clausula p {
  font-size: clamp(1.15rem, 2.1vw, 1.5rem);
  line-height: 1.55; font-weight: 300;
  font-style: italic; color: var(--tinta);
  margin-bottom: 0.9rem;
}
.clausula p:last-of-type { margin-bottom: 0; }
.clausula__fuente {
  font-family: var(--interfaz); font-style: normal;
  font-size: 0.82rem; color: var(--gris);
  margin-top: 1.2rem; display: block;
}
.seccion--tinta .clausula { border-left-color: var(--granate-c); }
.seccion--tinta .clausula p { color: var(--papel); }
.seccion--tinta .clausula__fuente { color: #8FA0AE; }

/* --- Rejillas ----------------------------------------------------------- */
.rejilla { display: grid; gap: clamp(1.5rem, 3vw, 2.5rem); }
.rejilla--2 { grid-template-columns: repeat(auto-fit, minmax(270px, 1fr)); }
.rejilla--3 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.rejilla--asim {
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr);
  gap: clamp(2.25rem, 6vw, 5rem);
  align-items: start;
}
.rejilla--forma { grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.85fr); }

.pliego {
  background: var(--papel);
  border: 1px solid var(--linea);
  border-radius: var(--radio);
  padding: clamp(1.5rem, 2.8vw, 2rem);
}
.pliego h3 { margin-bottom: 0.6rem; }
.pliego p:last-child { margin-bottom: 0; }
.seccion--alt .pliego { background: var(--papel); }

/* --- Fases de la actividad (secuencia real: I → IV) --------------------- */
.fases { margin-top: clamp(2rem, 4vw, 3rem); }
.fase {
  display: grid;
  grid-template-columns: 4.5rem minmax(0, 1fr);
  gap: clamp(1rem, 3vw, 2.5rem);
  padding-block: clamp(1.6rem, 3vw, 2.2rem);
  border-top: 1px solid var(--linea);
  align-items: start;
}
.fase:last-child { border-bottom: 1px solid var(--linea); }
.fase__orden {
  font-family: var(--lectura); font-weight: 300;
  font-size: clamp(1.85rem, 3.4vw, 2.7rem);
  color: var(--granate); line-height: 1;
  letter-spacing: 0.02em;
}
.fase__texto { max-width: 62ch; }
.fase__texto h3 { margin-bottom: 0.45rem; }
.fase__texto p { margin-bottom: 0; }

/* --- Lista con filete --------------------------------------------------- */
.lista-filete { list-style: none; padding: 0; margin: 0; max-width: var(--medida); }
.lista-filete li { padding-left: 1.6rem; position: relative; margin-bottom: 0.8rem; }
.lista-filete li::before {
  content: ""; position: absolute; left: 0; top: 0.78em;
  width: 0.75rem; height: 1px; background: var(--granate);
}
.seccion--tinta .lista-filete li::before { background: var(--granate-c); }

/* --- Tabla de datos identificativos ------------------------------------- */
.registro {
  margin-top: clamp(2rem, 4vw, 3rem);
  border-top: 1px solid var(--tinta);
}
.registro div {
  display: grid;
  grid-template-columns: minmax(160px, 16rem) minmax(0, 1fr);
  gap: 0.5rem clamp(1.25rem, 3vw, 2.5rem);
  padding-block: 1.05rem;
  border-bottom: 1px solid var(--linea);
  align-items: baseline;
}
.registro dt {
  font-family: var(--interfaz); font-size: 0.88rem; font-weight: 500;
  color: var(--gris);
}
.registro dd {
  margin: 0; font-family: var(--interfaz); font-size: 1.02rem;
  color: var(--tinta); font-variant-numeric: tabular-nums;
}
.registro dd a { color: var(--tinta); }
.registro dd a:hover { color: var(--granate); }

/* --- Formulario --------------------------------------------------------- */
.formulario { display: grid; gap: 1.3rem; max-width: 600px; }
.grupo { display: grid; gap: 0.4rem; }
.grupo label { font-family: var(--interfaz); font-size: 0.92rem; font-weight: 500; }
.grupo__nota { font-family: var(--interfaz); font-size: 0.85rem; color: var(--gris); line-height: 1.5; }
.req { color: var(--granate); }

.grupo input, .grupo select, .grupo textarea {
  font-family: var(--interfaz); font-size: 1rem;
  color: var(--tinta); background: #FFFFFF;
  border: 1px solid var(--linea);
  border-radius: var(--radio);
  padding: 0.75rem 0.9rem; width: 100%;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.grupo textarea { min-height: 155px; resize: vertical; line-height: 1.6; }
.grupo input:hover, .grupo select:hover, .grupo textarea:hover { border-color: var(--gris); }
.grupo input:focus, .grupo select:focus, .grupo textarea:focus {
  border-color: var(--marina);
  outline: none;
  box-shadow: 0 0 0 3px rgba(35, 64, 92, 0.16);
}
.grupo input[aria-invalid="true"], .grupo textarea[aria-invalid="true"],
.grupo select[aria-invalid="true"] { border-color: var(--granate); }

.grupo__error {
  font-family: var(--interfaz); font-size: 0.85rem;
  color: var(--granate); min-height: 1.2em; line-height: 1.4;
}

.pareja { display: grid; grid-template-columns: 1fr 1fr; gap: 1.3rem; }

.acepto {
  display: grid; grid-template-columns: auto 1fr; gap: 0.75rem;
  align-items: start; max-width: 600px;
}
.acepto input {
  width: 1.1rem; height: 1.1rem; margin-top: 0.4rem;
  accent-color: var(--marina); flex: none;
}
.acepto label {
  font-family: var(--interfaz); font-size: 0.92rem;
  line-height: 1.55; max-width: 58ch;
}

.senuelo { position: absolute; left: -9999px; opacity: 0; height: 0; }

.respuesta {
  border-left: 2px solid var(--granate);
  background: var(--papel-2);
  padding: 1.05rem 1.25rem;
  font-family: var(--interfaz); font-size: 0.95rem;
  max-width: 600px; line-height: 1.6;
}
.respuesta[hidden] { display: none; }
.respuesta--ok { border-left-color: var(--marina); }
.respuesta p { margin: 0; max-width: none; }

/* --- Vías de contacto --------------------------------------------------- */
.vias { display: grid; gap: 1.5rem; }
.vias .pliego h3 { font-size: 1.05rem; margin-bottom: 0.4rem; }
.vias address { font-style: normal; font-family: var(--interfaz); font-size: 1rem; line-height: 1.6; }
.vias p { margin-bottom: 0; }
.enlace-mapa {
  display: inline-block; margin-top: 0.7rem;
  font-family: var(--interfaz); font-size: 0.9rem; font-weight: 500;
}
.mini { margin: 0; display: grid; gap: 0.6rem; }
.mini div { display: flex; flex-wrap: wrap; gap: 0.6rem; align-items: baseline; }
.mini dt {
  font-family: var(--interfaz); font-size: 0.85rem;
  color: var(--gris); min-width: 6rem;
}
.mini dd {
  margin: 0; font-family: var(--interfaz); font-size: 0.98rem;
  color: var(--tinta); font-variant-numeric: tabular-nums;
}

/* --- Advertencia destacada ---------------------------------------------- */
.advertencia {
  border: 1px solid var(--linea);
  border-left: 2px solid var(--granate);
  padding: 1.5rem 1.75rem;
  max-width: 72ch;
  font-size: 1.02rem;
  background: var(--papel);
}
.advertencia p { margin: 0; max-width: none; }
.advertencia p + p { margin-top: 0.8rem; }
.seccion--tinta .advertencia {
  background: rgba(244,244,241,0.045);
  border-color: var(--linea-inv);
  border-left-color: var(--granate-c);
  color: #C9D2DA;
}

/* --- Documentos legales -------------------------------------------------- */
.documento { max-width: 72ch; }
.documento h2 { font-size: clamp(1.4rem, 2.6vw, 1.85rem); margin-top: clamp(2.5rem, 5vw, 3.5rem); font-weight: 400; }
.documento h2:first-of-type { margin-top: 0; }
.documento h3 { font-size: 1.12rem; margin-top: 2rem; }
.documento p, .documento li { font-size: 1.06rem; }
.documento table {
  width: 100%; border-collapse: collapse;
  margin: 1.2rem 0 2rem;
  font-family: var(--interfaz); font-size: 0.94rem; line-height: 1.55;
}
.documento th, .documento td {
  border: 1px solid var(--linea);
  padding: 0.75rem 0.9rem; text-align: left; vertical-align: top;
}
.documento th { background: var(--papel-2); font-weight: 500; }
.fecha-doc {
  font-family: var(--interfaz); font-size: 0.87rem;
  color: var(--gris); margin-bottom: 2.25rem;
}
.envoltura-tabla { overflow-x: auto; }

/* --- Pie ---------------------------------------------------------------- */
.pie {
  background: var(--profundo);
  color: #9FB0BE;
  padding-block: clamp(3.25rem, 6vw, 4.75rem) 2rem;
  font-family: var(--interfaz);
  font-size: 0.94rem;
  line-height: 1.65;
}
.pie__rejilla {
  display: grid;
  grid-template-columns: minmax(280px, 1.6fr) repeat(2, minmax(150px, 1fr));
  gap: clamp(2rem, 4vw, 3.5rem);
  padding-bottom: clamp(2.25rem, 4vw, 3rem);
  border-bottom: 1px solid var(--linea-inv);
}
.pie h2, .pie h3 {
  font-family: var(--interfaz); color: var(--papel);
  font-size: 0.84rem; font-weight: 500; letter-spacing: 0.05em;
  margin: 0 0 1.2rem;
}
.pie a { color: #9FB0BE; text-decoration: none; }
.pie a:hover { color: var(--granate-c); text-decoration: underline; }
.pie ul { list-style: none; padding: 0; margin: 0; max-width: none; }
.pie li { margin-bottom: 0.65rem; }
.pie address { font-style: normal; color: var(--papel); }
.pie p { max-width: none; }

.pie__datos { margin: 0 0 1.2rem; display: grid; gap: 0.55rem; }
.pie__datos div { display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: baseline; }
.pie__datos dt { color: #75899A; min-width: 8rem; }
.pie__datos dd { margin: 0; color: var(--papel); font-variant-numeric: tabular-nums; }
.pie__datos dd a { color: var(--papel); }

.pie__cierre {
  display: flex; flex-wrap: wrap; gap: 1rem;
  justify-content: space-between; align-items: center;
  padding-top: 1.8rem; font-size: 0.86rem; color: #75899A;
}
.pie__cierre p { margin: 0; }

/* --- Aviso de cookies --------------------------------------------------- */
.cookies {
  position: fixed; inset: auto 1rem 1rem 1rem; z-index: 150;
  max-width: 600px; margin-inline: auto;
  background: var(--papel);
  border: 1px solid var(--marina);
  border-radius: var(--radio);
  box-shadow: 0 14px 40px rgba(20, 32, 45, 0.26);
  padding: 1.4rem 1.55rem;
  font-family: var(--interfaz);
}
.cookies[hidden] { display: none; }
.cookies h2 { font-family: var(--interfaz); font-size: 1rem; font-weight: 600; margin-bottom: 0.55rem; letter-spacing: 0; }
.cookies p { font-size: 0.92rem; line-height: 1.6; margin-bottom: 1.2rem; max-width: none; }
.cookies__botones { display: flex; flex-wrap: wrap; gap: 0.7rem; }
.cookies .btn { padding: 0.6rem 1.15rem; font-size: 0.9rem; }

/* --- Adaptación --------------------------------------------------------- */
@media (max-width: 960px) {
  .rejilla--asim, .rejilla--forma { grid-template-columns: 1fr; }
  .pie__rejilla { grid-template-columns: 1fr 1fr; }
  .pie__rejilla > :first-child { grid-column: 1 / -1; }
}

@media (max-width: 800px) {
  .abrir-menu { display: inline-block; }
  .menu {
    display: none;
    position: absolute; left: 0; right: 0; top: 100%;
    flex-direction: column; align-items: stretch;
    background: var(--papel);
    border-bottom: 1px solid var(--linea);
    box-shadow: 0 10px 24px rgba(20, 32, 45, 0.1);
    padding: 0.8rem clamp(1.2rem, 4.5vw, 3rem) 1.5rem;
    gap: 0.15rem;
  }
  .menu.desplegado { display: flex; }
  .menu a { padding: 0.85rem 0.6rem; font-size: 1rem; }
  .menu a[aria-current="page"] { box-shadow: inset 2px 0 0 var(--granate); }
  .menu__accion { margin: 0.7rem 0 0; justify-content: center; }
  .cabecera__fila { position: relative; min-height: 70px; }
  .portada__filigrana { display: none; }
  .fase { grid-template-columns: 1fr; gap: 0.6rem; }
  .pareja { grid-template-columns: 1fr; }
  .registro div { grid-template-columns: 1fr; gap: 0.3rem; padding-block: 0.95rem; }
}

@media (max-width: 540px) {
  body { font-size: 1.06rem; }
  .pie__rejilla { grid-template-columns: 1fr; }
  .pie__datos dt { min-width: 100%; }
  .sello__pie { display: none; }
}

/* --- Movimiento reducido ------------------------------------------------ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
}

/* --- Impresión ---------------------------------------------------------- */
@media print {
  .cabecera, .cookies, .salto, .portada__acciones, .portada__filigrana { display: none; }
  body { background: #fff; color: #000; font-size: 11pt; }
  .seccion--tinta, .pie { background: #fff; color: #000; }
  .seccion--tinta h2, .seccion--tinta h3, .pie a, .pie address { color: #000; }
  a { text-decoration: underline; }
}