/* ==========================================================================
   zeroauno — estilos del sitio
   Claro y simple, construido sobre una idea: el camino de 0 a 1.
   ========================================================================== */

:root {
  color-scheme: light;

  /* Color */
  --papel: #fafaf7;
  --blanco: #ffffff;
  --gris: #f1f2ed;
  --tinta: #131513;
  --tinta-2: #535953;
  --tinta-3: #6b716c;
  --linea: rgba(19, 21, 19, .09);
  --linea-2: rgba(19, 21, 19, .16);
  /* Acento: azul real y sus derivados. Para cambiar el color del sitio, basta con editar este bloque. */
  --acento: #4169e1;
  --acento-hondo: #2f52c9;
  --acento-claro: #c9d6fb;
  --acento-suave: #eef2fd;
  --degradado: linear-gradient(120deg, #4169e1 0%, #5a61e6 50%, #7a5ae6 100%);
  --degradado-suave: linear-gradient(135deg, #f1f5ff 0%, #e9eefe 55%, #f2edfe 100%);

  /* Tipografía */
  --f-display: 'Inter Tight', 'Inter', ui-sans-serif, system-ui, sans-serif;
  --f-texto: 'Inter', ui-sans-serif, system-ui, sans-serif;
  --f-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

  /* Forma y espacio */
  --radio: 20px;
  --radio-sm: 12px;
  --sombra: 0 1px 2px rgba(19, 21, 19, .04), 0 10px 30px -18px rgba(19, 21, 19, .18);
  --sombra-alta: 0 2px 4px rgba(19, 21, 19, .05), 0 24px 48px -24px rgba(19, 21, 19, .3);
  --ancho: 1200px;
  --margen: clamp(16px, 4vw, 48px);
  --cabecera: 64px;
  --ease: cubic-bezier(.16, 1, .3, 1);
}

/* Tonos por etapa: se vuelven más azules a medida que la idea existe */
[data-etapa="idea"] { --tono: #eeefea; }
[data-etapa="probando"] { --tono: #edf1fd; }
[data-etapa="construyendo"] { --tono: #dfe7fc; }
[data-etapa="lanzando"] { --tono: #ccd9fb; }
[data-etapa="funcionando"] { --tono: #c3d1fb; }

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--cabecera) + 24px); }
body { margin: 0; min-width: 320px; overflow-x: hidden; background: var(--papel); color: var(--tinta); font-family: var(--f-texto); font-size: 1rem; line-height: 1.6; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; }
p { margin: 0; text-wrap: pretty; }
h1, h2, h3 { margin: 0; color: var(--tinta); font-family: var(--f-display); font-weight: 600; letter-spacing: -.03em; line-height: 1.05; text-wrap: balance; }
::selection { background: var(--acento-claro); color: var(--tinta); }
:focus-visible { outline: 2px solid var(--acento); outline-offset: 3px; border-radius: 6px; }

.saltar { position: fixed; top: 12px; left: 12px; z-index: 200; padding: 10px 16px; border-radius: 10px; background: var(--tinta); color: var(--papel); font-weight: 600; text-decoration: none; transform: translateY(-160%); transition: transform .2s; }
.saltar:focus { transform: none; }

.contenedor { width: min(100% - 2 * var(--margen), var(--ancho)); margin-inline: auto; }

/* ---------- Cabecera ---------- */
.cabecera { position: sticky; top: 0; z-index: 100; background: rgba(250, 250, 247, .84); border-bottom: 1px solid transparent; -webkit-backdrop-filter: saturate(160%) blur(14px); backdrop-filter: saturate(160%) blur(14px); transition: background .2s, border-color .2s, box-shadow .2s; }
.cabecera.con-borde { border-bottom-color: var(--linea); box-shadow: 0 8px 24px -20px rgba(19, 21, 19, .25); }
.js .cabecera:not(.con-borde) { background: transparent; -webkit-backdrop-filter: none; backdrop-filter: none; }
.cabecera-in { width: min(100% - 2 * var(--margen), var(--ancho)); height: var(--cabecera); margin-inline: auto; display: flex; align-items: center; justify-content: space-between; gap: 24px; }

.marca { display: inline-flex; align-items: center; gap: 10px; width: max-content; color: var(--tinta); font-family: var(--f-display); font-size: 1.16rem; font-weight: 600; letter-spacing: -.045em; text-decoration: none; }
.marca-simbolo { width: 32px; height: 16px; flex: none; }
.marca-simbolo .cero { fill: none; stroke: currentColor; stroke-width: 2; }
.marca-simbolo .tramo { stroke: currentColor; stroke-width: 2; stroke-linecap: round; opacity: .35; }
.marca-simbolo .uno { fill: var(--acento); }
.marca-texto span { color: var(--acento); }
.marca:hover .marca-simbolo .tramo { opacity: 1; }

.nav { display: flex; align-items: center; gap: 2px; }
.nav a { padding: 8px 14px; border-radius: 999px; color: var(--tinta-2); font-size: .95rem; font-weight: 500; text-decoration: none; transition: background .15s, color .15s, box-shadow .15s; }
.nav a:hover { background: rgba(19, 21, 19, .05); color: var(--tinta); }
.nav a[aria-current] { background: var(--blanco); color: var(--tinta); box-shadow: inset 0 0 0 1px var(--linea-2); }

/* ---------- Piezas comunes ---------- */
.ceja { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; color: var(--acento); font-family: var(--f-mono); font-size: .75rem; font-weight: 500; letter-spacing: .08em; text-transform: uppercase; }
.ceja span { color: var(--tinta-3); }

.boton { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 48px; padding: 0 22px; border: 1px solid transparent; border-radius: 999px; background: var(--degradado); color: #fff; font-family: var(--f-display); font-size: .98rem; font-weight: 600; letter-spacing: -.01em; text-decoration: none; box-shadow: 0 8px 20px -12px rgba(65, 105, 225, .7); transition: transform .2s var(--ease), box-shadow .2s, filter .2s, border-color .2s; }
.boton span { transition: transform .2s var(--ease); }
.boton:hover { transform: translateY(-1px); box-shadow: 0 14px 30px -14px rgba(65, 105, 225, .85); filter: saturate(1.1) brightness(1.04); }
.boton:hover span { transform: translateX(3px); }
.boton-sec { border-color: var(--linea-2); background: transparent; color: var(--tinta); box-shadow: none; }
.boton-sec:hover { border-color: var(--acento); background: var(--blanco); box-shadow: none; filter: none; }

.enlace-flecha { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; color: var(--tinta); font-weight: 500; text-decoration: none; }
.enlace-flecha span { color: var(--acento); transition: transform .2s var(--ease); }
.enlace-flecha:hover { text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 5px; }
.enlace-flecha:hover span { transform: translateX(4px); }

.temas { display: flex; flex-wrap: wrap; gap: 6px; margin: 0; padding: 0; list-style: none; }
.temas li { padding: 3px 10px; border: 1px solid var(--linea); border-radius: 999px; background: var(--papel); color: var(--tinta-2); font-size: .78rem; line-height: 1.5; }

.chip-etapa { display: inline-flex; align-items: center; gap: 7px; padding: 4px 11px 4px 9px; border-radius: 999px; background: var(--tono, var(--gris)); color: var(--tinta); font-size: .8rem; font-weight: 500; line-height: 1.4; white-space: nowrap; }
.chip-etapa b { font-family: var(--f-mono); font-size: .74rem; font-weight: 500; }
.chip-etapa[data-etapa="funcionando"] { background: var(--degradado); color: #fff; }

/* Medidor de 0 a 1: cinco puntos, uno por etapa */
.medidor { position: relative; display: flex; align-items: center; justify-content: space-between; height: 16px; }
.medidor::before, .medidor-relleno { content: ''; position: absolute; left: 5px; top: 50%; height: 2px; border-radius: 2px; transform: translateY(-50%); }
.medidor::before { right: 5px; background: var(--linea-2); }
.medidor-relleno { width: calc((100% - 10px) * var(--avance, 0)); background: linear-gradient(90deg, #a9bcf4, var(--acento)); }
.medidor i { position: relative; z-index: 1; width: 10px; height: 10px; border: 2px solid rgba(19, 21, 19, .2); border-radius: 50%; background: var(--blanco); }
.medidor i.lleno { border-color: var(--acento); background: var(--acento); }
.medidor i.actual { box-shadow: 0 0 0 4px var(--tono, var(--gris)); }
.medidor[data-etapa="funcionando"] i.actual { border-color: transparent; background: var(--degradado); animation: vivo 2.4s ease-out infinite; }
@keyframes vivo { 0% { box-shadow: 0 0 0 0 rgba(65, 105, 225, .45); } 100% { box-shadow: 0 0 0 10px rgba(65, 105, 225, 0); } }

/* ---------- Hero ---------- */
.hero { position: relative; isolation: isolate; overflow: hidden; padding: clamp(48px, 6.5vw, 92px) 0 clamp(24px, 3vw, 40px); }
.hero::before, .pagina-cabeza::before { content: ''; position: absolute; inset: 0; z-index: -1; background-image: radial-gradient(rgba(19, 21, 19, .14) 1px, transparent 1.3px); background-size: 22px 22px; -webkit-mask-image: radial-gradient(ellipse 65% 70% at 78% 18%, #000 0%, transparent 72%); mask-image: radial-gradient(ellipse 65% 70% at 78% 18%, #000 0%, transparent 72%); }
/* Brillo del inicio: es parte del fondo, así pasa suave tras la cabecera y nunca desborda */
body[data-pagina="inicio"] { background: radial-gradient(circle at calc(100% - 12vmax) 9vmax, rgba(65, 105, 225, .22) 0, rgba(65, 105, 225, .08) 10vmax, rgba(65, 105, 225, 0) 17vmax) top / 100% 28vmax no-repeat, radial-gradient(circle at calc(100% - 26vmax) 3vmax, rgba(122, 90, 230, .14) 0, rgba(122, 90, 230, 0) 12vmax) top / 100% 28vmax no-repeat, var(--papel); }

.ceja-viva { display: inline-flex; align-items: center; gap: 10px; padding: 6px 14px 6px 11px; border: 1px solid var(--linea-2); border-radius: 999px; background: rgba(255, 255, 255, .72); color: var(--tinta-2); font-family: var(--f-mono); font-size: .75rem; letter-spacing: .03em; }
.punto-vivo { position: relative; width: 8px; height: 8px; flex: none; border-radius: 50%; background: var(--acento); }
.punto-vivo::after { content: ''; position: absolute; inset: -4px; border: 1.5px solid var(--acento); border-radius: 50%; opacity: 0; animation: latido 2.4s ease-out infinite; }
@keyframes latido { 0% { transform: scale(.5); opacity: .8; } 100% { transform: scale(1.8); opacity: 0; } }

.hero-titulo { margin-top: 24px; font-size: clamp(2.9rem, 9vw, 7.4rem); letter-spacing: -.055em; line-height: .93; }
.hero-titulo mark { margin: 0 -.06em; padding: 0 .06em; background: var(--degradado); -webkit-background-clip: text; background-clip: text; color: transparent; }

.hero-pie { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 24px 48px; margin-top: clamp(24px, 3vw, 36px); }
.hero-bajada { max-width: 36rem; color: var(--tinta-2); font-size: clamp(1.08rem, 1.5vw, 1.28rem); line-height: 1.55; }
.hero-acciones { display: flex; flex-wrap: wrap; gap: 12px; }

/* Escala 0 → 1 */
.escala-bloque { margin-top: clamp(48px, 5.5vw, 76px); }
.escala-titulo { margin-bottom: 22px; color: var(--tinta-3); font-family: var(--f-mono); font-size: .75rem; letter-spacing: .06em; text-transform: uppercase; }
.escala-titulo span { color: var(--acento); }
.escala { display: grid; grid-template-columns: repeat(5, 1fr); margin: 0; padding: 0; list-style: none; }
.escala li { position: relative; --retraso: calc(var(--k, 0) * .32s + .55s); }
.escala li:not(:last-child)::before, .escala li:not(:last-child)::after { content: ''; position: absolute; top: 6px; left: 7px; width: 100%; height: 2px; }
.escala li:not(:last-child)::before { background: var(--linea-2); }
/* Cada tramo muestra su parte de un mismo degradado: la línea se intensifica al acercarse a 1 */
.escala li:not(:last-child)::after { background: linear-gradient(90deg, #b3c4f6, var(--acento)) 0 0 / 400% 100%; background-position: calc(var(--k, 0) * 100% / 3) 0; transform: scaleX(0); transform-origin: left; transition: transform .32s linear var(--retraso); }
.escala.en-marcha li:not(:last-child)::after, .escala-estatica li:not(:last-child)::after { transform: none; }
.escala a { display: flex; flex-direction: column; align-items: flex-start; height: 100%; padding: 34px 20px 8px 0; text-decoration: none; }
.escala-punto { position: absolute; top: 0; left: 0; z-index: 1; width: 14px; height: 14px; border: 2px solid rgba(19, 21, 19, .22); border-radius: 50%; background: var(--papel); transition: background .25s var(--retraso), border-color .25s var(--retraso), transform .2s; }
.escala.en-marcha .escala-punto, .escala-estatica .escala-punto { border-color: var(--acento); background: var(--acento); }
.escala li:first-child .escala-punto { background: var(--papel) !important; }
.escala.en-marcha li:last-child .escala-punto, .escala-estatica li:last-child .escala-punto { border-color: transparent; background: var(--degradado); }
.escala.en-marcha li:last-child .escala-punto { animation: vivo 2.4s ease-out 2.4s infinite; }
.escala-valor { font-family: var(--f-display); font-size: clamp(1.9rem, 3.2vw, 2.8rem); font-weight: 500; letter-spacing: -.05em; line-height: 1; }
.escala-nombre { margin-top: 10px; font-weight: 600; }
.escala-desc { margin-top: 4px; max-width: 15rem; color: var(--tinta-2); font-size: .92rem; line-height: 1.45; }
.escala-cuenta { display: block; margin-top: auto; padding-top: 14px; color: var(--acento); font-family: var(--f-mono); font-size: .74rem; font-weight: 500; }
.escala-cuenta span { display: inline-block; margin-left: 2px; transition: transform .2s var(--ease); }
.escala a:hover .escala-nombre { text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 4px; }
.escala a:hover .escala-cuenta span { transform: translateX(4px); }
.escala a:hover .escala-punto { transform: scale(1.2); }

/* ---------- Secciones ---------- */
.seccion { padding: clamp(56px, 8vw, 104px) 0; }
.seccion-cabeza { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 12px 32px; margin-bottom: clamp(24px, 3.5vw, 40px); }
.seccion-cabeza h2 { max-width: 20ch; font-size: clamp(2rem, 4.4vw, 3.4rem); letter-spacing: -.045em; }
.seccion-cabeza p.bajada { margin-top: 12px; }

.rejilla { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 290px), 1fr)); gap: 16px; }
.rejilla-2 { grid-template-columns: repeat(auto-fill, minmax(min(100%, 440px), 1fr)); align-items: start; }
.rejilla-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }

/* ---------- Tarjetas ---------- */
.tarjeta { position: relative; display: flex; flex-direction: column; gap: 14px; padding: 24px; border: 1px solid var(--linea); border-radius: var(--radio); background: var(--blanco); box-shadow: var(--sombra); scroll-margin-top: calc(var(--cabecera) + 24px); transition: transform .25s var(--ease), box-shadow .25s, border-color .25s; }
.tarjeta.enlazada:hover { border-color: var(--linea-2); box-shadow: var(--sombra-alta); transform: translateY(-2px); }
.tarjeta.enlazada:has(a.estirado:focus-visible) { outline: 2px solid var(--acento); outline-offset: 3px; }
a.estirado { text-decoration: none; }
a.estirado::after { content: ''; position: absolute; inset: 0; z-index: 0; border-radius: inherit; }
a.estirado:focus-visible { outline: none; }
.tarjeta.enlazada:hover a.estirado { text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 4px; }
.tarjeta .sobre-enlace { position: relative; z-index: 1; }
.tarjeta.resaltado { animation: resaltar 2.2s var(--ease); }
@keyframes resaltar { 0%, 30% { border-color: var(--acento); box-shadow: 0 0 0 4px var(--acento-suave), var(--sombra-alta); } 100% { box-shadow: var(--sombra); } }

/* Proyecto */
.proyecto-cabeza { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.proyecto-desde { color: var(--tinta-3); font-family: var(--f-mono); font-size: .75rem; }
.proyecto .medidor { margin: 2px 0 6px; }
.proyecto-titulo { font-size: 1.5rem; letter-spacing: -.035em; line-height: 1.15; }
.proyecto-resumen { color: var(--tinta-2); }
.proyecto .temas { margin-top: auto; padding-top: 4px; }
.proyecto-enlaces { display: flex; flex-wrap: wrap; gap: 4px 20px; }

.camino { margin: 6px -24px -24px; padding: 0 24px; border-top: 1px solid var(--linea); }
.camino summary { display: flex; align-items: center; gap: 12px; min-height: 54px; cursor: pointer; font-size: .95rem; font-weight: 500; list-style: none; }
.camino summary::-webkit-details-marker { display: none; }
.camino summary span { margin-left: auto; color: var(--tinta-3); font-family: var(--f-mono); font-size: .74rem; }
.camino summary::after { content: '+'; width: 1ch; color: var(--acento); font-family: var(--f-mono); font-size: 1.1rem; text-align: center; }
.camino[open] summary::after { content: '−'; }
.camino summary:hover { color: var(--acento); }
.camino ol { margin: 0; padding: 4px 0 22px; list-style: none; }
.camino li { position: relative; padding: 0 0 18px 26px; }
.camino li:last-child { padding-bottom: 0; }
.camino li::before { content: ''; position: absolute; top: 6px; left: 0; width: 12px; height: 12px; border: 2px solid var(--acento); border-radius: 50%; background: var(--blanco); }
.camino li:last-child::before { background: var(--acento); }
.camino li:not(:last-child)::after { content: ''; position: absolute; top: 20px; bottom: 2px; left: 5px; width: 2px; background: var(--linea-2); }
.camino-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 10px; margin-bottom: 6px; }
.camino-meta time { color: var(--tinta-3); font-family: var(--f-mono); font-size: .74rem; }
.camino p { color: var(--tinta-2); font-size: .95rem; }

/* Idea: borde punteado, porque todavía no existe */
.idea { border: 1.5px dashed rgba(19, 21, 19, .22); background: rgba(255, 255, 255, .66); box-shadow: none; }
.idea.enlazada:hover { border-color: rgba(19, 21, 19, .4); background: var(--blanco); }
.idea-meta { display: flex; gap: 10px; color: var(--tinta-3); font-family: var(--f-mono); font-size: .74rem; letter-spacing: .04em; text-transform: uppercase; }
.idea-meta span { color: var(--tinta-2); }
.idea-titulo { font-size: 1.35rem; letter-spacing: -.03em; line-height: 1.2; }
.idea-texto { color: var(--tinta-2); }
.idea .temas { margin-top: auto; padding-top: 2px; }
.idea-destinos { display: grid; gap: 8px; }
.idea-destino { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 4px 10px; padding: 12px 14px; border: 1px solid rgba(65, 105, 225,.16); border-radius: var(--radio-sm); background: var(--acento-suave); text-decoration: none; transition: border-color .2s, background .2s; }
.idea-destino:hover { border-color: var(--acento); }
.idea-destino-rotulo { flex-basis: 100%; color: var(--acento-hondo); font-family: var(--f-mono); font-size: .7rem; letter-spacing: .05em; text-transform: uppercase; }
.idea-destino-titulo { font-weight: 600; }
.idea-destino .chip-etapa:not([data-etapa="funcionando"]) { background: var(--blanco); }
.idea-post { justify-self: start; min-height: 32px; font-size: .92rem; }

/* Post en lista */
.lista-posts { border-top: 1px solid var(--linea-2); }
.post-fila { position: relative; display: grid; grid-template-columns: 190px 1fr 32px; gap: 8px 32px; padding: 28px 0; border-bottom: 1px solid var(--linea); }
.post-meta { display: flex; flex-direction: column; gap: 4px; padding-top: 6px; color: var(--tinta-3); font-family: var(--f-mono); font-size: .74rem; letter-spacing: .02em; }
.post-titulo { font-size: clamp(1.25rem, 2.2vw, 1.6rem); letter-spacing: -.03em; line-height: 1.2; }
.post-resumen { display: -webkit-box; margin-top: 10px; overflow: hidden; color: var(--tinta-2); -webkit-box-orient: vertical; -webkit-line-clamp: 2; }
.post-fila .temas { margin-top: 14px; }
.post-flecha { align-self: center; justify-self: end; color: var(--tinta-3); font-size: 1.35rem; transition: transform .2s var(--ease), color .2s; }
.post-fila:hover .post-titulo a { text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 4px; }
.post-fila:hover .post-flecha { color: var(--acento); transform: translateX(4px); }
.post-fila:has(a.estirado:focus-visible) { outline: 2px solid var(--acento); outline-offset: 4px; border-radius: 8px; }

/* ---------- Hola: bienvenida e invitación ---------- */
.hola { border-block: 1px solid var(--linea); background: var(--blanco); }
.hola-in { display: grid; grid-template-columns: 1fr 1fr; gap: 28px 64px; }
.hola h2 { font-size: clamp(2.5rem, 5.6vw, 4.6rem); letter-spacing: -.05em; line-height: .95; }
.hola-texto .grande { margin-bottom: 20px; color: var(--tinta); font-family: var(--f-display); font-size: clamp(1.3rem, 2.2vw, 1.75rem); letter-spacing: -.02em; line-height: 1.35; }
.hola-texto p:not(.grande) { max-width: 38rem; color: var(--tinta-2); font-size: 1.06rem; }
.hola-texto p:not(.grande) + p { margin-top: 14px; }
.hola-texto a { color: var(--acento); font-weight: 500; text-decoration-thickness: 1px; text-underline-offset: 3px; }
.hola-principios { grid-column: 1 / -1; margin-top: 20px; }
.hola-invitacion { margin-top: clamp(40px, 6vw, 72px); }
.principios { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin: 0; padding: 0; list-style: none; }
.principios li { padding: 24px; border: 1px solid var(--linea); border-radius: var(--radio); background: var(--papel); }
.principios span { color: var(--acento); font-family: var(--f-mono); font-size: .75rem; }
.principios h3 { margin: 18px 0 8px; font-size: 1.25rem; }
.principios p { color: var(--tinta-2); font-size: .98rem; }

/* ---------- Invitación ---------- */
.panel-cero { position: relative; display: grid; grid-template-columns: 1fr minmax(0, 36rem) 1fr; align-items: center; overflow: hidden; padding: clamp(48px, 8vw, 96px) clamp(24px, 4vw, 48px); border: 1px solid rgba(65, 105, 225,.14); border-radius: 28px; background: var(--degradado-suave); text-align: center; }
.panel-num { font-family: var(--f-display); font-size: clamp(9rem, 22vw, 19rem); font-weight: 700; letter-spacing: -.08em; line-height: .72; user-select: none; }
.panel-num.cero { justify-self: start; color: transparent; -webkit-text-stroke: 1.5px rgba(65, 105, 225,.28); }
.panel-num.uno { justify-self: end; padding-right: .08em; background: linear-gradient(160deg, rgba(65, 105, 225, .5), rgba(122, 90, 230, .38)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.panel-texto { position: relative; z-index: 1; }
.panel-titulo { font-size: clamp(2.4rem, 5.4vw, 4.4rem); letter-spacing: -.05em; }
.panel-texto p { max-width: 30rem; margin: 20px auto 28px; color: var(--tinta-2); font-size: 1.1rem; }
.panel-texto .panel-correo { margin: 16px auto 0; color: var(--tinta-3); font-family: var(--f-mono); font-size: .8rem; }

.franja-cero { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px 32px; padding: 28px 32px; border: 1px solid rgba(65, 105, 225,.14); border-radius: var(--radio); background: var(--degradado-suave); }
.franja-cero p { font-family: var(--f-display); font-size: clamp(1.2rem, 2.2vw, 1.55rem); letter-spacing: -.02em; line-height: 1.3; }

/* ---------- Páginas interiores ---------- */
.pagina-cabeza { position: relative; isolation: isolate; padding: clamp(48px, 7vw, 88px) 0 clamp(24px, 3vw, 36px); }
.pagina-cabeza h1 { max-width: 16ch; font-size: clamp(2.5rem, 6.4vw, 5.2rem); letter-spacing: -.05em; line-height: .96; }
.bajada { max-width: 40rem; margin-top: 20px; color: var(--tinta-2); font-size: clamp(1.05rem, 1.5vw, 1.25rem); line-height: 1.55; }

.listado { padding-bottom: clamp(40px, 6vw, 72px); }
.filtros { display: flex; flex-wrap: wrap; gap: 8px; }
.filtro { display: inline-flex; align-items: center; gap: 8px; min-height: 42px; padding: 0 15px; border: 1px solid var(--linea-2); border-radius: 999px; background: var(--blanco); color: var(--tinta); cursor: pointer; font: inherit; font-size: .92rem; font-weight: 500; transition: border-color .15s, background .15s, color .15s; }
.filtro b { color: var(--acento); font-family: var(--f-mono); font-size: .76rem; font-weight: 500; }
.filtro-n { color: var(--tinta-3); font-family: var(--f-mono); font-size: .74rem; }
.filtro:hover { border-color: var(--acento); }
.filtro[data-vacio] { color: var(--tinta-3); }
.filtro[aria-pressed="true"] { border-color: var(--acento); background: var(--acento); color: #fff; }
.filtro[aria-pressed="true"] b, .filtro[aria-pressed="true"] .filtro-n { color: #fff; }
.filtro-pista { min-height: 1.6em; margin: 18px 0 26px; color: var(--tinta-2); font-size: .98rem; }
.filtro-pista b { color: var(--tinta); font-weight: 600; }
.vacio { grid-column: 1 / -1; padding: 48px 24px; border: 1.5px dashed var(--linea-2); border-radius: var(--radio); color: var(--tinta-2); text-align: center; }
.vacio a { color: var(--acento); font-weight: 500; }

/* ---------- Artículo ---------- */
.articulo { width: min(100% - 2 * var(--margen), 740px); margin-inline: auto; padding: clamp(40px, 6vw, 72px) 0 clamp(40px, 5vw, 64px); }
.migas { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 28px; color: var(--tinta-3); font-family: var(--f-mono); font-size: .75rem; letter-spacing: .05em; text-transform: uppercase; }
.migas a { color: var(--tinta-2); text-decoration: none; }
.migas a:hover { color: var(--acento); }
.articulo-cabeza h1 { margin: 18px 0 20px; font-size: clamp(2rem, 5vw, 3.2rem); letter-spacing: -.04em; line-height: 1.06; }
.articulo-meta { display: flex; flex-wrap: wrap; gap: 6px 18px; padding-bottom: 32px; border-bottom: 1px solid var(--linea); color: var(--tinta-3); font-family: var(--f-mono); font-size: .78rem; }

.prosa { padding-top: 36px; color: #2c302c; font-size: 1.125rem; line-height: 1.78; }
.prosa > p { margin: 0 0 1.35em; }
.prosa strong { color: var(--tinta); font-weight: 600; }
.prosa a { color: var(--acento); text-decoration-thickness: 1px; text-underline-offset: 3px; }
.prosa h2 { margin: 2.3em 0 .75em; font-size: clamp(1.5rem, 3vw, 1.9rem); letter-spacing: -.03em; line-height: 1.15; }
.prosa h2::before { content: ''; display: block; width: 32px; height: 4px; margin-bottom: 18px; border-radius: 4px; background: var(--degradado); }
.prosa > ul:not([class]) { margin: 0 0 1.5em; padding: 0; list-style: none; }
.prosa > ul:not([class]) > li { position: relative; margin-bottom: 12px; padding-left: 26px; }
.prosa > ul:not([class]) > li::before { content: ''; position: absolute; top: calc(.89em - 4px); left: 4px; width: 8px; height: 8px; border-radius: 50%; background: var(--acento); }
.prosa > ol.pasos { margin: 0 0 1.5em; padding: 0; list-style: none; counter-reset: paso; }
.pasos li { position: relative; margin-bottom: 14px; padding-left: 44px; counter-increment: paso; }
.pasos li::before { content: counter(paso); position: absolute; top: 3px; left: 0; display: grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; background: var(--degradado); color: #fff; font-family: var(--f-mono); font-size: .8rem; line-height: 1; }

.prosa figure { margin: 2.2em 0; }
.prosa figcaption { color: var(--tinta-3); font-family: var(--f-mono); font-size: .72rem; letter-spacing: .05em; line-height: 1.5; text-transform: uppercase; }

.cita { padding: 24px 28px; border-left: 3px solid var(--acento); border-radius: 0 var(--radio) var(--radio) 0; background: var(--blanco); box-shadow: var(--sombra); }
.cita blockquote { margin: 0; }
.cita blockquote p { color: var(--tinta); font-family: var(--f-display); font-size: 1.2rem; letter-spacing: -.01em; line-height: 1.5; }
.prosa .cita figcaption { margin-top: 14px; color: var(--tinta-3); font-family: var(--f-texto); font-size: .92rem; letter-spacing: 0; text-transform: none; }
.cita figcaption strong { color: var(--tinta); }

.nota { margin: 2.2em 0; padding: 20px 24px; border: 1px solid rgba(65, 105, 225,.16); border-radius: var(--radio); background: var(--acento-suave); }
.nota strong { display: block; margin-bottom: 4px; }
.nota p { color: var(--tinta-2); font-size: 1rem; line-height: 1.6; }

.cifras { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 1px; margin: 2.2em 0; overflow: hidden; border: 1px solid var(--linea); border-radius: var(--radio); background: var(--linea); }
.cifras > div { padding: 22px 20px; background: var(--blanco); }
.cifras strong { display: block; color: var(--tinta); font-family: var(--f-display); font-size: clamp(1.7rem, 3.5vw, 2.3rem); font-weight: 600; letter-spacing: -.04em; line-height: 1; }
.cifras span { display: block; margin-top: 8px; color: var(--tinta-2); font-size: .88rem; line-height: 1.4; }

.lista-cifras { display: grid; gap: 10px; margin: 0 0 1.5em; padding: 0; list-style: none; }
.lista-cifras li { display: grid; grid-template-columns: 64px 1fr; align-items: baseline; gap: 16px; padding: 14px 18px; border: 1px solid var(--linea); border-radius: var(--radio-sm); background: var(--blanco); font-size: 1.02rem; line-height: 1.6; }
.lista-cifras b { color: var(--acento); font-family: var(--f-display); font-size: 1.45rem; font-weight: 600; letter-spacing: -.03em; }

.flujo { padding: 22px; border: 1px solid var(--linea); border-radius: var(--radio); background: var(--blanco); }
.flujo figcaption { margin-bottom: 16px; }
.flujo ol { display: flex; gap: 30px; margin: 0; padding: 0; list-style: none; }
.flujo li { position: relative; flex: 1; padding: 14px 16px; border: 1px solid var(--linea); border-radius: var(--radio-sm); background: var(--papel); font-size: .95rem; line-height: 1.35; }
.flujo li + li::before { content: '→'; position: absolute; top: 50%; left: -23px; color: var(--acento); font-weight: 600; transform: translateY(-50%); }
.flujo strong { display: block; }
.flujo span { display: block; margin-top: 4px; color: var(--tinta-3); font-size: .85rem; }

.tarjetas-prosa { display: grid; gap: 12px; margin: 2.2em 0; }
.tarjetas-prosa.dos { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.tarjeta-prosa { padding: 22px 24px; border: 1px solid var(--linea); border-radius: var(--radio); background: var(--blanco); }
.tarjeta-prosa h3 { font-size: 1.15rem; letter-spacing: -.02em; line-height: 1.3; }
.tarjeta-prosa .rotulo { margin: 4px 0 10px; color: var(--acento); font-family: var(--f-mono); font-size: .72rem; letter-spacing: .05em; text-transform: uppercase; }
.tarjeta-prosa p { color: var(--tinta-2); font-size: 1rem; line-height: 1.6; }
.tarjeta-prosa ul { margin: 12px 0 0; padding: 0; list-style: none; }
.tarjeta-prosa li { position: relative; margin-bottom: 10px; padding-left: 18px; color: var(--tinta-2); font-size: .98rem; line-height: 1.55; }
.tarjeta-prosa li::before { content: ''; position: absolute; top: calc(.78em - 3px); left: 2px; width: 6px; height: 6px; border-radius: 50%; background: var(--acento); }

.linea-tiempo { margin: 2.2em 0; padding: 0; list-style: none; }
.linea-tiempo li { position: relative; margin-left: 6px; padding: 0 0 24px 28px; border-left: 2px solid var(--linea-2); }
.linea-tiempo li:last-child { padding-bottom: 0; border-left-color: transparent; }
.linea-tiempo li::before { content: ''; position: absolute; top: 5px; left: -7px; width: 12px; height: 12px; border: 2px solid var(--acento); border-radius: 50%; background: var(--papel); }
.lt-fecha { display: inline-block; margin-bottom: 6px; padding: 2px 9px; border-radius: 999px; background: var(--acento-suave); color: var(--acento-hondo); font-family: var(--f-mono); font-size: .74rem; line-height: 1.6; }
.linea-tiempo strong { display: block; line-height: 1.4; }
.linea-tiempo p { margin-top: 4px; color: var(--tinta-2); font-size: 1rem; line-height: 1.6; }

.codigo { overflow: hidden; border: 1px solid var(--linea); border-radius: var(--radio); background: #f3f4ef; }
.codigo figcaption { padding: 10px 18px; border-bottom: 1px solid var(--linea); }
.codigo pre { margin: 0; padding: 18px; overflow-x: auto; color: var(--tinta); font-family: var(--f-mono); font-size: .88rem; line-height: 1.75; }
.c-fn { font-weight: 600; }
.c-str { color: var(--acento-hondo); }
.c-com { color: var(--tinta-3); }

.articulo-pie { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px 24px; margin-top: 48px; padding-top: 28px; border-top: 1px solid var(--linea); color: var(--tinta-2); }
.articulo-pie a:not(.enlace-flecha) { color: var(--acento); }

/* ---------- Pie ---------- */
.pie { padding: 56px 0 28px; border-top: 1px solid var(--linea); }
.pie-in { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 32px; }
.pie-marca p { margin-top: 12px; color: var(--tinta-2); }
.pie-nav, .pie-contacto { display: flex; flex-direction: column; align-items: flex-start; gap: 6px; }
.pie-nav a, .pie-contacto a { color: var(--tinta-2); text-decoration: none; }
.pie-nav a:hover, .pie-contacto a:hover { color: var(--acento); text-decoration: underline; text-underline-offset: 4px; }
.pie-contacto span { color: var(--tinta-3); }
.pie-base { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--linea); color: var(--tinta-3); font-family: var(--f-mono); font-size: .75rem; }
.pie-firma { color: var(--tinta); font-family: var(--f-display); font-size: 1.1rem; font-weight: 500; letter-spacing: -.04em; }
.pie-firma span { color: var(--acento); }

/* ---------- Movimiento ---------- */
.js [data-revelar] { opacity: 0; transform: translateY(18px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.js [data-revelar].visible { opacity: 1; transform: none; }

/* ---------- Responsivo ---------- */
@media (max-width: 900px) {
  .rejilla-3 { grid-template-columns: 1fr; }
  .hola-in { grid-template-columns: 1fr; }
  .principios { grid-template-columns: 1fr; }
  .pie-in { grid-template-columns: 1fr 1fr; }
  .pie-marca { grid-column: 1 / -1; }
}

@media (max-width: 760px) {
  .escala { grid-template-columns: 1fr; }
  .escala li:not(:last-child)::before, .escala li:not(:last-child)::after { top: 13px; left: 6px; width: 2px; height: 100%; }
  .escala li:not(:last-child)::after { background-image: linear-gradient(180deg, #b3c4f6, var(--acento)); background-size: 100% 400%; background-position: 0 calc(var(--k, 0) * 100% / 3); transform: scaleY(0); transform-origin: top; }
  .escala-punto { top: 6px; }
  .escala a { display: grid; grid-template-columns: auto 1fr; align-items: baseline; gap: 0 12px; padding: 0 0 28px 36px; }
  .escala li:last-child a { padding-bottom: 0; }
  .escala-valor { font-size: 1.6rem; }
  .escala-nombre { margin: 0; font-size: 1.05rem; }
  .escala-desc, .escala-cuenta { grid-column: 1 / -1; max-width: none; }
  .escala-cuenta { padding-top: 6px; }
  .post-fila { grid-template-columns: 1fr; padding: 24px 0; }
  .post-meta { flex-direction: row; gap: 14px; padding: 0; }
  .post-flecha { display: none; }
  .panel-cero { grid-template-columns: 1fr; }
  .panel-num { position: absolute; font-size: 10rem; letter-spacing: 0; }
  .panel-num.cero { top: -1.4rem; left: -1.6rem; }
  .panel-num.uno { right: .4rem; bottom: -1.6rem; }
  .flujo ol { flex-direction: column; gap: 26px; }
  .flujo li + li::before { content: '↓'; top: -22px; left: 50%; transform: translateX(-50%); }
  .franja-cero { padding: 24px; }
}

/* En pantallas angostas la marca va arriba y la navegación queda siempre visible */
@media (max-width: 600px) {
  :root { --cabecera: 44px; }
  .cabecera { top: -49px; }
  .cabecera-in { flex-wrap: wrap; gap: 0; height: auto; }
  .marca { height: 48px; }
  .nav { justify-content: space-between; width: 100%; height: 44px; border-top: 1px solid var(--linea); }
  .nav a { flex: 1; padding: 7px 4px; font-size: .92rem; text-align: center; }
  .hero-acciones { width: 100%; }
  .hero-acciones .boton { flex: 1; }
  .tarjeta { padding: 20px; }
  .camino { margin: 6px -20px -20px; padding: 0 20px; }
  .pie-in { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; transition-delay: 0s !important; }
  .js [data-revelar] { opacity: 1; transform: none; }
}

@media print {
  .cabecera, .pie, .panel-cero, .franja-cero, .filtros { display: none; }
  .js [data-revelar] { opacity: 1 !important; transform: none !important; }
  .camino ol { display: block; }
}