/* ============================================================
   volcanorising.org - hoja de estilos "Basalto & Magma"
   ============================================================ */

:root{
  --obsidiana:#0e0b12;
  --basalto:#171220;
  --basalto-alto:#1f1829;
  --ceniza:#2b2338;
  --humo:#3a3049;
  --magma:#ff5a1f;
  --magma-sombra:#c03a0c;
  --oro:#f7b32b;
  --jade:#2ec4a6;
  --orquidea:#b46ad0;
  --crema:#f4ece2;
  --crema-tenue:#bdb2c4;
  --radio:14px;
  --radio-xs:8px;
  --sombra:0 18px 44px -22px rgba(0,0,0,.9);
  --borde:1px solid rgba(247,179,43,.18);
  --ancho:1180px;
  --tipo-titulo:"Sora","Segoe UI Semibold","Trebuchet MS",system-ui,sans-serif;
  --tipo-texto:"Karla","Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}

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

html{
  scroll-behavior:smooth;scroll-padding-top:104px;-webkit-text-size-adjust:100%;
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
}

body{
  margin:0;
  background:
    radial-gradient(1100px 520px at 78% -8%, rgba(255,90,31,.20), transparent 62%),
    radial-gradient(760px 420px at 4% 12%, rgba(46,196,166,.10), transparent 58%),
    var(--obsidiana);
  color:var(--crema);
  font-family:var(--tipo-texto);
  font-size:17px;
  line-height:1.72;
  overflow-x:hidden;
}

img{max-width:100%;height:auto;display:block}
.magma-hero__figura img,
.figura img,
.marco-demo__pantalla img{outline:1px solid oklch(1 0 0 / 0.1);outline-offset:-1px}

a{color:var(--oro);text-decoration:none;border-bottom:1px dotted rgba(247,179,43,.5)}
a:hover{color:var(--magma);border-bottom-color:var(--magma)}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--jade);outline-offset:3px;border-radius:4px}

h1,h2,h3,h4{font-family:var(--tipo-titulo);line-height:1.18;letter-spacing:-.015em;margin:0 0 .55em;text-wrap:balance}
h1{font-size:clamp(1.85rem,5.1vw,3rem);font-weight:800}
h2{font-size:clamp(1.42rem,3.5vw,2.05rem);font-weight:700;margin-top:2.4em}
h3{font-size:clamp(1.13rem,2.4vw,1.42rem);font-weight:700;margin-top:1.9em;color:var(--oro)}
h4{font-size:1.02rem;font-weight:700;margin-top:1.4em;color:var(--jade)}
p{margin:0 0 1.15em}
p,li,figcaption,caption,blockquote,summary{text-wrap:pretty}

.envoltorio{width:min(var(--ancho),calc(100% - 2.2rem));margin-inline:auto}

.salto-contenido{position:absolute;left:-9999px}
.salto-contenido:focus{left:1rem;top:.5rem;z-index:99;background:var(--oro);color:#1b0c02;padding:.5rem .9rem;border-radius:6px}

/* ---------- Barra superior ---------- */
.franja-edad{
  background:linear-gradient(90deg,var(--magma-sombra),#7c1f05);
  font-size:.79rem;letter-spacing:.06em;text-transform:uppercase;
  text-align:center;padding:.42rem .8rem;color:#ffe9dc;font-weight:700;
}

.crater-nav{
  position:sticky;top:0;z-index:60;
  background:rgba(14,11,18,.93);
  backdrop-filter:blur(11px);
  border-bottom:1px solid rgba(247,179,43,.22);
}
.crater-nav__fila{display:flex;align-items:center;gap:1rem;padding:.62rem 0;flex-wrap:wrap}
.crater-nav__fila > nav{flex:1 1 220px;min-width:0}
.marca{display:flex;align-items:center;gap:.6rem;border:0;flex:0 0 auto}
.marca:hover{border:0}
.marca__icono{width:34px;height:34px;flex:0 0 34px}
.marca__texto{font-family:var(--tipo-titulo);font-weight:800;font-size:1.06rem;color:var(--crema);letter-spacing:-.02em;line-height:1.1}
.marca__texto span{display:block;font-size:.62rem;font-weight:600;letter-spacing:.22em;color:var(--jade);text-transform:uppercase}

.menu{
  display:flex;gap:.4rem;margin:0;padding:0;list-style:none;
  overflow-x:auto;width:100%;
  scrollbar-width:thin;scrollbar-color:var(--humo) transparent;
  -webkit-overflow-scrolling:touch;
}
.menu::-webkit-scrollbar{height:4px}
.menu::-webkit-scrollbar-thumb{background:var(--humo);border-radius:4px}
.menu a{
  display:flex;align-items:center;min-height:44px;
  white-space:nowrap;border:1px solid transparent;border-radius:999px;
  padding:.42rem .86rem;font-size:.9rem;font-weight:600;color:var(--crema-tenue);
  transition-property:background-color,color,border-color;
  transition-duration:120ms;transition-timing-function:ease-out;
}
.menu a:hover{background:var(--basalto-alto);color:var(--crema);border-color:rgba(247,179,43,.3)}
.menu a[aria-current="page"]{background:linear-gradient(135deg,var(--magma),var(--oro));color:#1b0c02;border-color:transparent}

/* ---------- Miga de pan ---------- */
.miga{font-size:.83rem;color:var(--crema-tenue);padding:1.05rem 0 .2rem}
.miga ol{list-style:none;display:flex;flex-wrap:wrap;gap:.38rem;margin:0;padding:0}
.miga li::after{content:"\25B8";margin-left:.42rem;color:var(--humo)}
.miga li:last-child::after{content:""}
.miga a{position:relative;border-bottom:0;color:var(--jade);transition:color 120ms ease-out}
.miga a::after{content:"";position:absolute;left:0;right:0;top:50%;height:44px;transform:translateY(-50%)}
.miga [aria-current="page"]{color:var(--crema-tenue)}

/* ---------- Heroe ---------- */
.magma-hero{
  position:relative;margin:1.1rem 0 0;border-radius:22px;overflow:hidden;
  border:var(--borde);box-shadow:var(--sombra);
  background:linear-gradient(160deg,#241326 0%,#12101a 58%,#0c0a10 100%);
}
.magma-hero__grid{display:grid;gap:0;grid-template-columns:minmax(0,1fr)}
.magma-hero__grid > *{min-width:0}
.magma-hero__texto{padding:1.9rem 1.5rem 1.7rem}
.magma-hero__figura{margin:0;position:relative}
.magma-hero__figura img{width:100%;object-fit:cover;min-height:230px}
.magma-hero__figura figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:.55rem .9rem;
  background:linear-gradient(0deg,rgba(9,7,12,.92),transparent);
  font-size:.76rem;color:var(--crema-tenue);
}
.etiqueta-kicker{
  display:inline-block;font-size:.72rem;font-weight:800;letter-spacing:.18em;text-transform:uppercase;
  color:var(--jade);border:1px solid rgba(46,196,166,.4);border-radius:999px;padding:.24rem .7rem;margin-bottom:.9rem;
}
.entradilla{font-size:1.07rem;color:#ded4e2;max-width:62ch}

/* ---------- Fichas de datos ---------- */
.fichas{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.6rem;margin:1.3rem 0 0;padding:0;list-style:none}
.fichas li{
  background:rgba(43,35,56,.66);border:1px solid rgba(247,179,43,.16);
  border-radius:var(--radio-xs);padding:.62rem .75rem;
}
.fichas b{display:block;font-family:var(--tipo-titulo);font-size:1.16rem;color:var(--oro);line-height:1.2;font-variant-numeric:tabular-nums}
.fichas span{font-size:.75rem;letter-spacing:.09em;text-transform:uppercase;color:var(--crema-tenue)}

/* ---------- Botones ---------- */
.ember-btn{
  display:inline-block;border:0;border-radius:999px;cursor:pointer;
  transition-property:filter,scale,background-color;
  transition-duration:150ms;transition-timing-function:ease-out;
  background:linear-gradient(135deg,var(--magma),var(--oro));
  color:#210d02;font-family:var(--tipo-titulo);font-weight:800;font-size:.95rem;
  padding:.72rem 1.4rem;margin:.35rem .45rem .35rem 0;
  box-shadow:0 10px 26px -12px var(--magma);
}
.ember-btn:hover{color:#210d02;filter:brightness(1.08);border-bottom:0}
.ember-btn:active{scale:.96}
.ember-btn--hueco{background:transparent;border:1px solid rgba(46,196,166,.55);color:var(--jade);box-shadow:none}
.ember-btn--hueco:hover{background:rgba(46,196,166,.12);color:var(--jade)}

/* ---------- Estructura de contenido ---------- */
.estrato{display:grid;grid-template-columns:minmax(0,1fr);gap:2rem;margin:2.2rem 0 3rem}
.estrato > *{min-width:0}

.toc-rail{
  background:var(--basalto);border:var(--borde);border-radius:var(--radio);
  padding:1rem 1.1rem;font-size:.9rem;
}
.toc-rail h2{font-size:.78rem;letter-spacing:.2em;text-transform:uppercase;color:var(--jade);margin:0 0 .7rem}
.toc-rail ol{margin:0;padding-left:1.1rem;display:grid;gap:0}
.toc-rail ol ol{margin-top:.34rem;padding-left:.95rem;font-size:.85rem;opacity:.85}
.toc-rail a{display:block;padding:.5rem 0;color:var(--crema-tenue);border-bottom:0;transition:color 120ms ease-out}
.toc-rail a:hover{color:var(--oro)}

.tldr{
  background:linear-gradient(135deg,rgba(46,196,166,.13),rgba(255,90,31,.09));
  border-left:4px solid var(--jade);border-radius:0 var(--radio) var(--radio) 0;
  padding:1rem 1.2rem;margin:0 0 1.9rem;
}
.tldr p:last-child{margin-bottom:0}
.tldr strong:first-child{color:var(--jade);letter-spacing:.06em}

/* ---------- Tarjetas y bloques ---------- */
.basalt-card{
  background:var(--basalto);border:var(--borde);border-radius:var(--radio);
  padding:1.15rem 1.25rem;margin:1.5rem 0;box-shadow:var(--sombra);
}
.basalt-card > :last-child{margin-bottom:0}
.basalt-card--alerta{border-left:4px solid var(--magma);background:rgba(255,90,31,.07)}
.basalt-card--dato{border-left:4px solid var(--orquidea);background:rgba(180,106,208,.08)}

.rejilla-2{display:grid;grid-template-columns:minmax(0,1fr);gap:1rem;margin:1.4rem 0}
.rejilla-3{display:grid;grid-template-columns:minmax(0,1fr);gap:1rem;margin:1.4rem 0}
.rejilla-2 > *,.rejilla-3 > *{min-width:0}

.losa{
  background:var(--basalto-alto);border:1px solid rgba(255,255,255,.06);
  border-radius:var(--radio-xs);padding:1rem 1.05rem;
}
.losa h3,.losa h4{margin-top:0}
.losa > :last-child{margin-bottom:0}

/* ---------- Tablas ---------- */
.tabla-marco{overflow-x:auto;margin:1.4rem 0;border:var(--borde);border-radius:var(--radio);background:var(--basalto)}
table{width:100%;border-collapse:collapse;font-size:.94rem;min-width:480px}
caption{text-align:left;padding:.85rem 1rem .3rem;font-size:.82rem;color:var(--crema-tenue);font-style:italic}
th,td{padding:.68rem .9rem;text-align:left;border-bottom:1px solid rgba(255,255,255,.07);vertical-align:top;font-variant-numeric:tabular-nums}
thead th{background:rgba(255,90,31,.14);color:var(--oro);font-family:var(--tipo-titulo);font-size:.84rem;letter-spacing:.05em;text-transform:uppercase}
tbody tr:nth-child(even){background:rgba(255,255,255,.022)}
tbody tr:last-child td{border-bottom:0}
td b{color:var(--crema)}

/* ---------- Listas ---------- */
.lista-lava{list-style:none;padding:0;margin:1.1rem 0}
.lista-lava li{position:relative;padding-left:1.6rem;margin-bottom:.55rem}
.lista-lava li::before{content:"\25B2";position:absolute;left:0;top:.05rem;color:var(--magma);font-size:.72rem}
.lista-jade li::before{content:"\25CF";color:var(--jade)}
.lista-triple{list-style:none;padding:0;margin:1.1rem 0;display:grid;gap:.5rem}
.lista-triple li{
  background:rgba(43,35,56,.5);border-left:3px solid var(--oro);
  border-radius:0 var(--radio-xs) var(--radio-xs) 0;padding:.5rem .8rem;font-size:.95rem;
}
.lista-triple em{color:var(--jade);font-style:normal;font-weight:700}

/* ---------- Figuras de contenido ---------- */
.figura{margin:1.6rem 0;border:var(--borde);border-radius:var(--radio);overflow:hidden;background:var(--basalto)}
.figura img{width:100%}
.figura figcaption{padding:.6rem .95rem;font-size:.83rem;color:var(--crema-tenue);border-top:1px solid rgba(255,255,255,.06)}

/* ---------- Marco demo ---------- */
.marco-demo{
  border:2px dashed rgba(247,179,43,.4);border-radius:25px;padding:.8rem;
  background:linear-gradient(150deg,rgba(255,90,31,.12),rgba(14,11,18,.6));margin:1.4rem 0 1.8rem;
}
.marco-demo__pantalla{position:relative;border-radius:12px;overflow:hidden}
.marco-demo__pantalla img{width:100%}
.marco-demo__barra{
  display:flex;flex-wrap:wrap;gap:.5rem;align-items:center;justify-content:space-between;
  padding:.7rem .4rem .2rem;font-size:.85rem;color:var(--crema-tenue);
}
.chip-estado{
  display:inline-flex;align-items:center;gap:.4rem;font-size:.76rem;font-weight:700;
  letter-spacing:.08em;text-transform:uppercase;color:var(--jade);
}
.chip-estado::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--jade);box-shadow:0 0 0 4px rgba(46,196,166,.2)}

/* ---------- FAQ ---------- */
.faq details{
  background:var(--basalto);border:var(--borde);border-radius:var(--radio-xs);
  padding:.35rem 1rem;margin-bottom:.65rem;
}
.faq summary{
  display:flex;align-items:center;min-height:44px;padding:.45rem 0;
  cursor:pointer;font-family:var(--tipo-titulo);font-weight:700;color:var(--crema);list-style:none;
  transition:color 120ms ease-out;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{
  content:"+";flex:0 0 1em;width:1em;text-align:center;
  color:var(--magma);font-weight:800;margin-right:.55rem;
}
.faq details[open] summary::before{content:"\2013"}
.faq details[open] summary{color:var(--oro)}
.faq details > p{margin:.2rem 0 .75rem;font-size:.96rem}

/* ---------- Enlazado interno ---------- */
.puente{display:grid;gap:.9rem;grid-template-columns:minmax(0,1fr);margin:2.2rem 0}
.puente > *{min-width:0}
.puente a{
  display:block;border:var(--borde);border-radius:var(--radio);padding:.95rem 1.1rem;
  background:linear-gradient(135deg,rgba(255,90,31,.10),rgba(23,18,32,.9));color:var(--crema);
  transition-property:border-color,background-color;
  transition-duration:150ms;transition-timing-function:ease-out;
}
.puente a:hover{border-color:var(--magma);color:var(--crema)}
.puente b{display:block;font-family:var(--tipo-titulo);color:var(--oro);font-size:1.02rem;margin-bottom:.15rem}
.puente span{font-size:.88rem;color:var(--crema-tenue)}

/* ---------- Pie ---------- */
.pie{border-top:1px solid rgba(247,179,43,.2);background:#0a080d;margin-top:3rem;padding:2.2rem 0 1.4rem}
.pie__grid{display:grid;grid-template-columns:minmax(0,1fr);gap:1.5rem}
.pie__grid > *{min-width:0}
.pie h2{font-size:.78rem;letter-spacing:.2em;text-transform:uppercase;color:var(--jade);margin:0 0 .6rem}
.pie ul{list-style:none;margin:0;padding:0;display:grid;gap:0;font-size:.92rem}
.pie a{display:block;padding:.5rem 0;color:var(--crema-tenue);border-bottom:0;transition:color 120ms ease-out}
.pie a:hover{color:var(--oro)}
.pie__legal{margin-top:1.7rem;padding-top:1rem;border-top:1px solid rgba(255,255,255,.07);font-size:.8rem;color:#8b8195}
.pie__legal p{margin:.3rem 0}

/* ---------- Boton subir ---------- */
#subir{
  position:fixed;right:1rem;bottom:1rem;z-index:70;
  width:48px;height:48px;border-radius:50%;border:1px solid rgba(247,179,43,.5);
  background:linear-gradient(135deg,var(--magma),var(--magma-sombra));
  color:#fff;font-size:1.25rem;line-height:1;cursor:pointer;
  display:grid;place-items:center;
  opacity:0;visibility:hidden;transform:translateY(14px);
  transition-property:opacity,transform,scale,visibility;
  transition-duration:250ms;transition-timing-function:ease-out;
  box-shadow:0 12px 26px -12px #000;
}
#subir.visible{opacity:1;visibility:visible;transform:translateY(0)}
#subir:hover{filter:brightness(1.12)}
#subir:active{scale:.96}
#subir svg{width:20px;height:20px;display:block}

/* ---------- Paginas legales / contacto ---------- */
.prosa{max-width:76ch}
.prosa h2{margin-top:2.1em}
.formulario{display:grid;gap:.85rem;max-width:560px;margin:1.4rem 0}
.formulario label{font-size:.88rem;font-weight:700;color:var(--crema-tenue);display:grid;gap:.3rem}
.formulario input,.formulario textarea,.formulario select{
  background:var(--basalto-alto);border:1px solid rgba(247,179,43,.22);border-radius:var(--radio-xs);
  color:var(--crema);font:inherit;font-size:.95rem;padding:.6rem .75rem;width:100%;
}
.formulario textarea{min-height:130px;resize:vertical}
.nota-mini{font-size:.82rem;color:#8b8195}

/* ---------- Mapa del sitio ---------- */
.mapa-bloques{display:grid;gap:1.1rem;grid-template-columns:minmax(0,1fr);margin:1.6rem 0}
.mapa-bloques > *{min-width:0}
.mapa-bloques section{background:var(--basalto);border:var(--borde);border-radius:var(--radio);padding:1.1rem 1.2rem}
.mapa-bloques h2{margin:0 0 .6rem;font-size:1.05rem}
.mapa-bloques ul{margin:0;padding-left:1.15rem;display:grid;gap:.4rem;font-size:.95rem}
.mapa-bloques p{font-size:.88rem;color:var(--crema-tenue);margin:.45rem 0 0}

/* ============================================================
   Adaptativo
   ============================================================ */
@media (min-width:600px){
  .fichas{grid-template-columns:repeat(4,minmax(0,1fr))}
  .rejilla-2{grid-template-columns:repeat(2,minmax(0,1fr))}
  .puente{grid-template-columns:repeat(2,minmax(0,1fr))}
  .magma-hero__texto{padding:2.4rem 2.1rem}
}

@media (min-width:860px){
  .rejilla-3{grid-template-columns:repeat(3,minmax(0,1fr))}
  .pie__grid{grid-template-columns:minmax(0,1.4fr) minmax(0,1fr) minmax(0,1fr) minmax(0,1fr)}
  .mapa-bloques{grid-template-columns:repeat(2,minmax(0,1fr))}
  .magma-hero__grid{grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);align-items:stretch}
  .magma-hero__figura img{height:100%;min-height:340px}
}

@media (min-width:1024px){
  .estrato{grid-template-columns:270px minmax(0,1fr);gap:2.6rem;align-items:start}
  /* Solo el indice que es columna lateral de .estrato se fija al hacer scroll.
     El de las paginas legales va en el flujo, arriba del texto. */
  .estrato > .toc-rail{position:sticky;top:96px;max-height:calc(100vh - 130px);overflow-y:auto}
  .puente{grid-template-columns:repeat(3,minmax(0,1fr))}
}

@media (max-width:1023px){
  .estrato > .toc-rail{order:-1}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    transition-duration:.01ms !important;
    animation-duration:.01ms !important;
    animation-iteration-count:1 !important;
  }
  .ember-btn:active,#subir:active{scale:1}
}

@media print{
  .crater-nav,#subir,.franja-edad,.toc-rail,.puente{display:none}
  body{background:#fff;color:#000}
}