/* Nikizo — hoja de estilos general */

:root {
  --paper: #fcfbf9;
  --paper-alt: #efeeea;
  --ink: #141414;
  --ink-soft: #6a6a66;
  --accent: #c22a22;
  --accent-2: #3c5a4a;
  --rule: #d9d7d1;
  --rule-dark: #3a3a38;
  --serif: Georgia, "Times New Roman", Times, serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --step: 72px;
  --gap: 24px;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.65;
  overflow-x: hidden;
}

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

a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }

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

/* --- rejilla de 12 columnas ------------------------------------------- */

.grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  column-gap: var(--gap);
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 32px;
  width: 100%;
}

.margin-col {
  grid-column: 1 / 4;
  font-family: var(--sans);
  font-size: 12px;
  line-height: 1.5;
  color: var(--ink-soft);
  letter-spacing: 0.02em;
}

.margin-col .marca {
  color: var(--accent-2);
  display: block;
  margin-bottom: 6px;
}

.col-text { grid-column: 4 / 10; }
.col-wide { grid-column: 4 / 12; }
.col-image { grid-column: 6 / 13; }

.ruled {
  border-left: 1px solid var(--accent);
  padding-left: 28px;
}

/* --- cabecera y navegación -------------------------------------------- */

.site-header {
  border-bottom: 1px solid var(--rule);
  background: var(--paper);
}

.site-header .grid { padding-top: 22px; padding-bottom: 22px; align-items: baseline; }

.site-name {
  grid-column: 1 / 4;
  font-family: var(--serif);
  font-size: 22px;
  letter-spacing: 0.01em;
  margin: 0;
}

.site-name a { color: var(--ink); text-decoration: none; }
.site-name a:hover { color: var(--accent); }

.site-nav { grid-column: 4 / 13; }

.site-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 22px;
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.06em;
}

.site-nav a { color: var(--ink); text-decoration: none; padding-bottom: 2px; border-bottom: 1px solid transparent; }
.site-nav a:hover { color: var(--accent); border-bottom-color: var(--accent); }
.site-nav a[aria-current="page"] { border-bottom-color: var(--accent); color: var(--accent); }

/* --- portada / hero ---------------------------------------------------- */

.hero { padding-top: var(--step); padding-bottom: calc(var(--step) / 2); }

.hero h1 {
  grid-column: 4 / 12;
  font-size: 52px;
  line-height: 1.12;
  font-weight: normal;
  margin: 0;
  position: relative;
}

.hero h1 .inicial {
  position: absolute;
  left: -0.86em;
  top: -0.06em;
  font-size: 1.85em;
  line-height: 1;
  color: var(--accent);
}

.hero .col-text { margin-top: 40px; }

.guias {
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  padding: 26px 0;
  margin: 0;
}

.guias p { margin: 0 0 18px; }
.guias p + p { border-top: 1px solid var(--rule); padding-top: 18px; }
.guias p:last-child { margin-bottom: 0; }

/* --- figura principal --------------------------------------------------- */

.figura-principal { padding-top: var(--step); align-items: start; }

.figura-principal figure { grid-column: 6 / 13; margin: 0; }

.figura-principal figcaption,
.pie-margen {
  grid-column: 1 / 5;
  font-family: var(--sans);
  font-size: 12px;
  line-height: 1.6;
  color: var(--ink-soft);
  padding-right: 20px;
}

.pie-margen .marca { display: block; color: var(--accent-2); margin-bottom: 6px; }

/* --- secciones ---------------------------------------------------------- */

.seccion { padding-top: var(--step); padding-bottom: var(--step); }
.seccion--alt { background: var(--paper-alt); }

.seccion h2 {
  grid-column: 4 / 12;
  font-size: 30px;
  font-weight: normal;
  line-height: 1.25;
  margin: 0 0 14px;
}

.seccion .guia-h {
  grid-column: 4 / 12;
  height: 1px;
  background: var(--rule);
  margin-bottom: 34px;
}

.seccion h3 {
  grid-column: 4 / 10;
  font-style: italic;
  font-size: 21px;
  font-weight: normal;
  margin: 34px 0 10px;
}

.seccion p { grid-column: 4 / 10; margin: 0 0 22px; }
.seccion .col-text p:last-child { margin-bottom: 0; }

.num {
  grid-column: 1 / 4;
  grid-row: span 2;
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--accent-2);
  padding-top: 10px;
}

/* listas y comprobaciones */

.lista {
  grid-column: 4 / 12;
  margin: 8px 0 24px;
  padding: 0;
  list-style: none;
}

.lista li {
  position: relative;
  padding-left: 26px;
  margin-bottom: 12px;
  border-bottom: 1px solid var(--rule);
  padding-bottom: 12px;
}

.lista li:last-child { border-bottom: none; }

.lista li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--accent);
}

.lista--check li::before { content: "\2713"; }

.lista li strong { font-weight: normal; border-bottom: 1px solid var(--accent); }

/* --- sección oscura ------------------------------------------------------ */

.oscura {
  background: var(--ink);
  color: var(--paper);
  padding-top: var(--step);
  padding-bottom: var(--step);
}

.oscura a { color: #f0b8b3; }
.oscura h2 { grid-column: 4 / 12; font-size: 30px; font-weight: normal; margin: 0 0 14px; }
.oscura .guia-h { grid-column: 4 / 12; height: 1px; background: var(--rule-dark); margin-bottom: 40px; }
.oscura .num { color: #8fae9d; }

.oscura figure { grid-column: 4 / 8; margin: 0; }

.oscura figcaption {
  font-family: var(--sans);
  font-size: 12px;
  line-height: 1.6;
  color: #9c9c98;
  margin-top: 12px;
}

.oscura .bloque-texto { grid-column: 8 / 13; padding-left: 28px; border-left: 1px solid var(--rule-dark); }
.oscura .bloque-texto p { margin: 0 0 20px; }
.oscura .bloque-texto p:last-child { margin-bottom: 0; }
.oscura .bloque-texto h3 { font-style: italic; font-weight: normal; font-size: 21px; margin: 0 0 12px; }

/* --- contacto ------------------------------------------------------------ */

.contacto p { grid-column: 4 / 10; }
.contacto .correo { font-size: 21px; }

/* --- pie ----------------------------------------------------------------- */

.site-footer {
  background: var(--paper-alt);
  border-top: 1px solid var(--rule);
  padding-top: 44px;
  padding-bottom: 44px;
  margin-top: var(--step);
}

.site-footer .grid { align-items: start; row-gap: 18px; }

.footer-marca {
  grid-column: 1 / 4;
  font-size: 20px;
  border-left: 1px solid var(--accent);
  padding-left: 16px;
}

.footer-nav { grid-column: 4 / 10; }

.footer-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.05em;
}

.footer-nav li::after { content: "/"; color: var(--accent); margin: 0 10px; }
.footer-nav li:last-child::after { content: ""; margin: 0; }
.footer-nav a { color: var(--ink); text-decoration: none; }
.footer-nav a:hover { color: var(--accent); text-decoration: underline; }

.footer-correo {
  grid-column: 10 / 13;
  font-family: var(--sans);
  font-size: 12px;
  color: var(--ink-soft);
  text-align: right;
}

.footer-correo a { color: var(--accent); }

.footer-nota {
  grid-column: 4 / 13;
  font-family: var(--sans);
  font-size: 12px;
  color: var(--ink-soft);
  margin-top: 8px;
}

/* --- páginas de texto ----------------------------------------------------- */

.pagina { padding-top: var(--step); }

.pagina h1 {
  grid-column: 4 / 12;
  font-size: 40px;
  line-height: 1.18;
  font-weight: normal;
  margin: 0 0 16px;
  position: relative;
}

.pagina h1 .inicial {
  position: absolute;
  left: -0.86em;
  top: -0.05em;
  font-size: 1.8em;
  line-height: 1;
  color: var(--accent);
}

.pagina .guia-h { grid-column: 4 / 12; height: 1px; background: var(--rule); margin-bottom: 40px; }

.pagina h2 {
  grid-column: 4 / 10;
  font-size: 25px;
  font-weight: normal;
  margin: 44px 0 12px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--accent);
}

.pagina h2 .inicial-mini { color: var(--accent-2); font-family: var(--sans); font-size: 12px; margin-right: 10px; vertical-align: 3px; }

.pagina p { grid-column: 4 / 10; margin: 0 0 20px; }
.pagina .lista { grid-column: 4 / 11; }
.pagina .entradilla { font-size: 20px; color: var(--ink); }

/* --- comportamiento adaptable --------------------------------------------- */

@media (max-width: 900px) {
  :root { --step: 52px; --gap: 18px; }
  .grid { padding: 0 24px; }
  .hero h1 { font-size: 40px; grid-column: 3 / 13; }
  .pagina h1 { font-size: 32px; grid-column: 3 / 13; }
  .col-text, .col-wide, .seccion h2, .seccion h3, .seccion p, .seccion .guia-h,
  .lista, .pagina h2, .pagina p, .pagina .lista, .pagina .guia-h, .contacto p,
  .oscura h2, .oscura .guia-h { grid-column: 3 / 13; }
  .figura-principal figure, .col-image { grid-column: 3 / 13; }
  .figura-principal figcaption { grid-column: 3 / 13; padding-right: 0; margin-top: 12px; }
  .margin-col, .num, .pie-margen { grid-column: 1 / 13; }
  .num { grid-row: auto; padding-top: 0; margin-bottom: 8px; }
  .oscura figure { grid-column: 3 / 10; }
  .oscura .bloque-texto { grid-column: 3 / 13; padding-left: 0; border-left: none; border-top: 1px solid var(--rule-dark); padding-top: 28px; margin-top: 32px; }
}

@media (max-width: 620px) {
  :root { --step: 44px; }
  body { font-size: 17px; }
  .grid { padding: 0 20px; display: block; }
  .hero h1 { font-size: 31px; padding-left: 0; }
  .hero h1 .inicial { position: static; font-size: 1em; color: var(--accent); }
  .pagina h1 { font-size: 27px; }
  .pagina h1 .inicial { position: static; font-size: 1em; }
  .ruled { padding-left: 16px; }
  .site-name { margin-bottom: 14px; }
  .site-nav ul { gap: 8px 16px; }
  .seccion h2, .oscura h2, .pagina h2 { font-size: 23px; }
  .hero .col-text { margin-top: 26px; }
  .figura-principal figcaption, .pie-margen { margin-top: 12px; padding-right: 0; }
  .oscura .bloque-texto { margin-top: 26px; padding-top: 22px; }
  .footer-marca { margin-bottom: 16px; }
  .footer-correo { text-align: left; margin-top: 14px; }
  .footer-nav ul { gap: 4px 0; }
}