/* =========================================================================
   Solvrax — sitio de producto.
   Identidad «Solvrax Ledger» + Liquid Glass, en clave minimalista:
   mucho aire, tipografía grande, poco borde, color medido.
   Los tokens --sv-* son los MISMOS del producto (solvrax-theme.css).
   Todo en línea, cero peticiones externas → LCP y CLS a favor.
   ========================================================================= */
*, *::before, *::after { box-sizing: border-box; }

:root {
    --sv-primary:       #0E4D44;
    --sv-primary-light: #1A6B5E;
    --sv-surface:       #FAF8F4;
    --sv-surface-card:  #FFFFFF;
    --sv-ink:           #1C2422;
    --sv-ink-muted:     #5C6B66;
    --sv-border:        #DCD6C9;

    --sv-max: 1080px;
    --sv-max-texto: 720px;
    /* system-ui en Mac/iOS resuelve a SF Pro: el tipo de Apple, sin descargar nada. */
    --sv-font: -apple-system, BlinkMacSystemFont, "SF Pro Display", ui-sans-serif,
               system-ui, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
    :root {
        --sv-primary:       #3FB89E;
        --sv-primary-light: #5BCBB3;
        --sv-surface:       #0F1B18;
        --sv-surface-card:  #16241F;
        --sv-ink:           #E8EEEB;
        --sv-ink-muted:     #9DB0AA;
        --sv-border:        #2C3D38;
    }
}

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
    margin: 0;
    font-family: var(--sv-font);
    font-size: 17px;
    line-height: 1.6;
    font-weight: 400;
    letter-spacing: -0.011em;
    color: var(--sv-ink);
    background-color: var(--sv-surface);
    -webkit-font-smoothing: antialiased;
    /* Halos del acento: el ambiente del piloto, muy diluido para que respire. */
    background-image:
        radial-gradient(50% 38% at 15% -4%,  color-mix(in oklab, var(--sv-primary) 16%, transparent), transparent 70%),
        radial-gradient(42% 40% at 104% 10%, color-mix(in oklab, var(--sv-primary-light) 13%, transparent), transparent 72%),
        radial-gradient(48% 40% at 85% 72%,  color-mix(in oklab, var(--sv-primary) 10%, transparent), transparent 72%);
    background-attachment: fixed;
    background-repeat: no-repeat;
}

/* ---------- Tipografía: grande, apretada, con aire ---------- */
h1, h2, h3 { margin: 0 0 .4em; text-wrap: balance; font-weight: 640; }
h1 { font-size: clamp(2.6rem, 6.4vw, 4.4rem); line-height: 1.04; letter-spacing: -0.04em; font-weight: 680; }
h2 { font-size: clamp(2rem, 4.4vw, 3.1rem); line-height: 1.08; letter-spacing: -0.033em; }
h3 { font-size: 1.09rem; line-height: 1.3;  letter-spacing: -0.018em; font-weight: 620; }
p  { margin: 0 0 1em; text-wrap: pretty; }
a  { color: var(--sv-primary); text-underline-offset: 3px; }
ul { margin: 0; padding: 0; list-style: none; }
strong { font-weight: 620; }

:focus-visible { outline: 3px solid var(--sv-primary); outline-offset: 4px; border-radius: 6px; }

.sv-salto {
    position: absolute; left: -9999px;
    background: var(--sv-primary); color: #fff;
    padding: .7rem 1.1rem; border-radius: 0 0 10px 0; z-index: 100;
}
.sv-salto:focus { left: 0; top: 0; }

/* ---------- Ritmo: el aire es el diseño ---------- */
.sv-contenedor { width: 100%; max-width: var(--sv-max); margin-inline: auto; padding-inline: 22px; }
section { padding-block: clamp(5rem, 11vw, 9rem); }
.sv-centro { text-align: center; }
.sv-texto { max-width: var(--sv-max-texto); }
.sv-centro .sv-texto { margin-inline: auto; }
.sv-plomo {
    font-size: clamp(1.12rem, 1.9vw, 1.35rem);
    line-height: 1.5; font-weight: 400;
    color: var(--sv-ink-muted);
    max-width: 46ch;
}
.sv-centro .sv-plomo { margin-inline: auto; }
.sv-etiqueta {
    display: block; font-size: .8rem; font-weight: 640;
    letter-spacing: .02em; color: var(--sv-primary); margin-bottom: .9rem;
}

/* ---------- Revelado al hacer scroll (solo si hay JS y se permite movimiento) ---------- */
html.sv-anim .sv-rev { opacity: 0; transform: translateY(20px); }
html.sv-anim .sv-rev.sv-visible {
    opacity: 1; transform: none;
    transition: opacity .8s cubic-bezier(.16,1,.3,1), transform .8s cubic-bezier(.16,1,.3,1);
}

/* ---------- Encabezado: barra de cristal fina, como la de Apple ---------- */
.sv-encabezado {
    position: sticky; top: 0; z-index: 50;
    background-color: color-mix(in oklab, var(--sv-surface) 68%, transparent);
    -webkit-backdrop-filter: blur(20px) saturate(1.6);
    backdrop-filter: blur(20px) saturate(1.6);
    border-bottom: 1px solid color-mix(in oklab, var(--sv-border) 45%, transparent);
}
.sv-encabezado .sv-contenedor {
    display: flex; align-items: center; gap: 1.6rem;
    min-height: 54px; padding-block: .4rem;
}
.sv-marca {
    display: inline-flex; align-items: center; gap: .5rem;
    font-weight: 660; font-size: 1.14rem; letter-spacing: -.035em;
    color: var(--sv-ink); text-decoration: none; margin-right: auto;
}
/* «by HeyyySoft»: el respaldo de la empresa, sin competirle a la marca del producto. */
.sv-marca em {
    font-style: normal; font-size: .68em; font-weight: 500;
    letter-spacing: -.01em; color: var(--sv-ink-muted);
    margin-left: -.15em;
}
@media (max-width: 460px) { .sv-encabezado .sv-marca em { display: none; } }
.sv-nav { display: flex; align-items: center; gap: 1.9rem; }
.sv-nav a { color: var(--sv-ink-muted); text-decoration: none; font-size: .89rem; font-weight: 500; letter-spacing: -.008em; }
.sv-nav a:hover { color: var(--sv-ink); }
@media (max-width: 860px) { .sv-nav { display: none; } }

/* ---------- Botones y enlaces de acción ---------- */
.sv-btn {
    display: inline-flex; align-items: center; justify-content: center; gap: .45rem;
    padding: .78rem 1.55rem; border-radius: 980px;
    font-size: 1rem; font-weight: 550; letter-spacing: -.012em;
    text-decoration: none; border: 1px solid transparent; cursor: pointer; white-space: nowrap;
    transition: transform .25s cubic-bezier(.16,1,.3,1), filter .25s ease;
}
/* Vidrio líquido pleno: refracción SVG + bisel interior, igual que el CTA del login. */
.sv-btn-primario {
    color: #fff;
    background-color: color-mix(in oklab, var(--sv-primary) 90%, transparent);
    -webkit-backdrop-filter: url("#sv-liquido") saturate(1.2);
    backdrop-filter: url("#sv-liquido") saturate(1.2);
    box-shadow:
        inset 1.5px 1.5px 1px -1px rgba(255,255,255,.68),
        inset -1.5px -1.5px 1px -1px rgba(0,0,0,.26),
        inset 0 0 10px 3px color-mix(in oklab, #fff 13%, transparent),
        0 8px 26px -10px color-mix(in oklab, var(--sv-primary) 70%, transparent);
}
.sv-btn-fantasma {
    color: var(--sv-ink);
    background-color: color-mix(in oklab, var(--sv-surface-card) 55%, transparent);
    -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px);
    border-color: color-mix(in oklab, var(--sv-border) 80%, transparent);
}
.sv-btn:hover  { transform: translateY(-2px); filter: brightness(1.05); }
.sv-btn:active { transform: translateY(0);    filter: brightness(.97); }
/* Enlace con chevron: el CTA secundario de Apple. */
.sv-enlace {
    display: inline-flex; align-items: center; gap: .28rem;
    font-size: 1.04rem; font-weight: 500; text-decoration: none;
    color: var(--sv-primary);
}
.sv-enlace::after { content: "›"; font-size: 1.3em; line-height: 0; transition: transform .25s cubic-bezier(.16,1,.3,1); }
.sv-enlace:hover::after { transform: translateX(4px); }
@media (prefers-reduced-motion: reduce) {
    .sv-btn, .sv-enlace::after { transition: none; }
    .sv-btn:hover { transform: none; }
    .sv-enlace:hover::after { transform: none; }
}
.sv-acciones { display: flex; flex-wrap: wrap; align-items: center; gap: 1.5rem; }
.sv-centro .sv-acciones { justify-content: center; }

/* ---------- Portada ---------- */
.sv-portada { padding-block: clamp(4rem, 10vw, 8rem) clamp(3rem, 6vw, 5rem); text-align: center; }
.sv-portada h1 { max-width: 15ch; margin-inline: auto; }
.sv-portada .sv-plomo { margin-top: 1.4rem; }
.sv-nota { font-size: .88rem; color: var(--sv-ink-muted); }

/* Mock del producto: ventana de cristal, puro CSS (sin imágenes ni peticiones). */
.sv-mock {
    max-width: 940px; margin: clamp(3rem, 6vw, 4.5rem) auto 0;
    border-radius: 20px; overflow: hidden;
    background-color: color-mix(in oklab, var(--sv-surface-card) 72%, transparent);
    -webkit-backdrop-filter: blur(26px) saturate(1.5);
    backdrop-filter: blur(26px) saturate(1.5);
    border: 1px solid color-mix(in oklab, var(--sv-primary) 16%, transparent);
    box-shadow:
        inset 1.5px 1.5px .5px -1px rgba(255,255,255,.85),
        inset -1.5px -1.5px .5px -1px rgba(255,255,255,.35),
        0 40px 90px -40px rgba(0,0,0,.45);
}
.sv-mock-barra {
    display: flex; align-items: center; gap: .9rem;
    padding: .7rem 1rem;
    border-bottom: 1px solid color-mix(in oklab, var(--sv-border) 45%, transparent);
}
.sv-mock-luces { display: flex; gap: .38rem; }
.sv-mock-luces i { width: 10px; height: 10px; border-radius: 50%; background: color-mix(in oklab, var(--sv-ink-muted) 32%, transparent); }
.sv-mock-titulo { font-size: .78rem; color: var(--sv-ink-muted); letter-spacing: -.01em; }
.sv-mock-cuerpo { display: grid; grid-template-columns: 148px 1fr; min-height: 300px; }
.sv-mock-lado {
    padding: 1rem .8rem; display: grid; gap: .42rem; align-content: start;
    border-right: 1px solid color-mix(in oklab, var(--sv-border) 40%, transparent);
}
.sv-mock-lado span {
    font-size: .76rem; color: var(--sv-ink-muted);
    padding: .34rem .55rem; border-radius: 7px;
}
.sv-mock-lado span.on { color: var(--sv-primary); font-weight: 600;
    background-color: color-mix(in oklab, var(--sv-primary) 12%, transparent); }
.sv-mock-panel { padding: 1.15rem 1.25rem; display: grid; gap: .9rem; align-content: start; }
.sv-mock-kpis { display: grid; grid-template-columns: repeat(3, 1fr); gap: .7rem; }
.sv-mock-kpi {
    padding: .75rem .85rem; border-radius: 12px;
    background-color: color-mix(in oklab, var(--sv-surface-card) 62%, transparent);
    border: 1px solid color-mix(in oklab, var(--sv-border) 45%, transparent);
}
.sv-mock-kpi b { display: block; font-size: 1.06rem; font-weight: 640; letter-spacing: -.03em; font-variant-numeric: tabular-nums; }
.sv-mock-kpi span { font-size: .7rem; color: var(--sv-ink-muted); }
.sv-mock-grafica {
    display: flex; align-items: flex-end; gap: .5rem; height: 116px;
    padding: .9rem; border-radius: 12px;
    background-color: color-mix(in oklab, var(--sv-surface-card) 55%, transparent);
    border: 1px solid color-mix(in oklab, var(--sv-border) 45%, transparent);
}
.sv-mock-grafica i { flex: 1; border-radius: 4px 4px 2px 2px;
    background: linear-gradient(to top, var(--sv-primary), var(--sv-primary-light)); opacity: .82; }
.sv-mock-filas { display: grid; gap: .4rem; }
.sv-mock-fila { display: grid; grid-template-columns: 1fr 76px 60px; gap: .6rem; align-items: center;
    font-size: .74rem; color: var(--sv-ink-muted); }
.sv-mock-fila em { font-style: normal; height: 7px; border-radius: 4px;
    background-color: color-mix(in oklab, var(--sv-ink-muted) 22%, transparent); }
.sv-mock-fila b { justify-self: end; font-weight: 560; color: var(--sv-ink); font-variant-numeric: tabular-nums; }
.sv-mock-pill { justify-self: end; font-size: .64rem; font-weight: 620; padding: .12rem .5rem; border-radius: 980px;
    color: var(--sv-primary); background-color: color-mix(in oklab, var(--sv-primary) 13%, transparent); }
@media (max-width: 700px) { .sv-mock-lado { display: none; } .sv-mock-cuerpo { grid-template-columns: 1fr; } }

/* Tira de cumplimiento: texto discreto, sin cajas */
.sv-cumple {
    display: flex; flex-wrap: wrap; justify-content: center; gap: .55rem 1.6rem;
    margin-top: clamp(3rem, 6vw, 4.5rem);
    font-size: .84rem; font-weight: 550; color: var(--sv-ink-muted);
}
.sv-cumple li { letter-spacing: -.005em; }

/* ---------- Rejillas y tarjetas: bordes mínimos, mucho interior ---------- */
.sv-rejilla { display: grid; gap: 1.1rem; }
.sv-rejilla-2 { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.sv-rejilla-3 { grid-template-columns: repeat(auto-fit, minmax(285px, 1fr)); }

.sv-tarjeta {
    padding: 1.75rem;
    border-radius: 18px;
    background-color: color-mix(in oklab, var(--sv-surface-card) 58%, transparent);
    -webkit-backdrop-filter: blur(22px) saturate(1.4);
    backdrop-filter: blur(22px) saturate(1.4);
    border: 1px solid color-mix(in oklab, var(--sv-border) 55%, transparent);
    box-shadow:
        inset 1.2px 1.2px .5px -1px rgba(255,255,255,.7),
        0 20px 50px -34px rgba(0,0,0,.35);
}
.sv-tarjeta p:last-child, .sv-tarjeta ul:last-child { margin-bottom: 0; }
.sv-tarjeta p { font-size: .97rem; color: var(--sv-ink-muted); margin-bottom: .8rem; }
.sv-tarjeta ul { font-size: .92rem; color: var(--sv-ink-muted); display: grid; gap: .3rem; }
.sv-tarjeta ul li { padding-left: 1.05em; position: relative; }
.sv-tarjeta ul li::before {
    content: ""; position: absolute; left: 0; top: .62em;
    width: 5px; height: 5px; border-radius: 50%;
    background-color: color-mix(in oklab, var(--sv-primary) 55%, transparent);
}

.sv-icono {
    display: inline-grid; place-items: center;
    width: 38px; height: 38px; margin-bottom: 1rem;
    border-radius: 10px; color: var(--sv-primary);
    background-color: color-mix(in oklab, var(--sv-primary) 11%, transparent);
}
.sv-icono svg { width: 19px; height: 19px; stroke: currentColor; fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

/* ---------- Cumplimiento SAT: lista tipográfica, sin cajas ---------- */
.sv-fiscal { display: grid; gap: 0; grid-template-columns: repeat(auto-fit, minmax(310px, 1fr)); }
.sv-fiscal article { padding: 1.5rem 1.6rem 1.5rem 0; }
.sv-fiscal h3 { margin-bottom: .3rem; }
.sv-fiscal p  { font-size: .95rem; color: var(--sv-ink-muted); margin: 0; max-width: 42ch; }
.sv-fiscal article::before {
    content: ""; display: block; width: 26px; height: 2px; border-radius: 2px;
    background-color: color-mix(in oklab, var(--sv-primary) 45%, transparent);
    margin-bottom: .95rem;
}

/* ---------- Pasos ---------- */
/* El número lo pinta el contador, así que hay que apagar el marcador nativo del <ol>
   o salen los dos («1.» chiquito del navegador + el «1» grande del diseño). */
.sv-pasos, .sv-pasos > li { list-style: none; }
.sv-pasos { padding-left: 0; }
.sv-pasos { counter-reset: paso; display: grid; gap: 2rem;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }
.sv-pasos > li::before {
    counter-increment: paso; content: counter(paso);
    display: block; font-size: 2.6rem; font-weight: 300; line-height: 1;
    letter-spacing: -.04em; color: color-mix(in oklab, var(--sv-primary) 42%, transparent);
    margin-bottom: .7rem;
}
.sv-pasos h3 { margin-bottom: .25rem; }
.sv-pasos p  { color: var(--sv-ink-muted); font-size: .96rem; margin: 0; max-width: 34ch; }
/* Dentro de un artículo los pasos van en una columna: la medida corta ahí aprieta. */
.sv-prosa .sv-pasos p { max-width: none; }

/* ---------- Preguntas ---------- */
.sv-faq { max-width: 760px; margin-inline: auto; }
.sv-faq details { border-bottom: 1px solid color-mix(in oklab, var(--sv-border) 60%, transparent); }
.sv-faq summary {
    cursor: pointer; list-style: none; position: relative;
    padding: 1.25rem 2.4rem 1.25rem 0;
    font-size: 1.06rem; font-weight: 560; letter-spacing: -.018em;
}
.sv-faq summary::-webkit-details-marker { display: none; }
.sv-faq summary::after {
    content: ""; position: absolute; right: .6rem; top: 1.72rem;
    width: 8px; height: 8px; border-right: 1.8px solid var(--sv-ink-muted);
    border-bottom: 1.8px solid var(--sv-ink-muted); transform: rotate(45deg);
    transition: transform .25s cubic-bezier(.16,1,.3,1);
}
.sv-faq details[open] summary::after { transform: rotate(-135deg); top: 1.95rem; }
.sv-faq details p { color: var(--sv-ink-muted); padding-bottom: 1.1rem; margin: 0; max-width: 66ch; font-size: 1rem; }

/* ---------- Cierre y pie ---------- */
.sv-cierre { text-align: center; }
.sv-cierre h2 { max-width: 16ch; margin-inline: auto; }

.sv-pie {
    border-top: 1px solid color-mix(in oklab, var(--sv-border) 50%, transparent);
    padding-block: 3rem 2.2rem;
    font-size: .89rem; color: var(--sv-ink-muted);
}
.sv-pie-rejilla { display: grid; gap: 2rem; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
.sv-pie h2 { font-size: .78rem; font-weight: 620; letter-spacing: -.005em; color: var(--sv-ink); margin-bottom: .8rem; }
.sv-pie li { margin-bottom: .42rem; }
.sv-pie a { color: var(--sv-ink-muted); text-decoration: none; }
.sv-pie a:hover { color: var(--sv-ink); }
.sv-pie-legal {
    margin-top: 2.6rem; padding-top: 1.3rem;
    border-top: 1px solid color-mix(in oklab, var(--sv-border) 35%, transparent);
    font-size: .8rem; line-height: 1.55; max-width: 78ch;
}

/* Sin backdrop-filter: superficies sólidas legibles, sin perder el diseño. */
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
    .sv-tarjeta, .sv-encabezado, .sv-mock, .sv-btn-fantasma { background-color: var(--sv-surface-card); }
    .sv-btn-primario { background-color: var(--sv-primary); }
}

/* =========================================================================
   Páginas hijas (temas del long-tail): miga de pan, prosa y relacionadas.
   ========================================================================= */

/* Miga de pan: discreta, encima del h1 */
.sv-miga { font-size: .86rem; color: var(--sv-ink-muted); margin-bottom: 1.4rem; }
.sv-miga ol { display: flex; flex-wrap: wrap; gap: .4rem; margin: 0; padding: 0; }
.sv-miga li { display: flex; align-items: center; gap: .4rem; }
.sv-miga li + li::before { content: "›"; color: color-mix(in oklab, var(--sv-ink-muted) 60%, transparent); }
.sv-miga a { color: var(--sv-ink-muted); text-decoration: none; }
.sv-miga a:hover { color: var(--sv-ink); text-decoration: underline; }

/* Portada de página hija: más contenida que la de inicio */
.sv-portada-tema { padding-block: clamp(2.5rem, 6vw, 4.5rem) clamp(1.5rem, 3vw, 2.5rem); text-align: left; }
.sv-portada-tema h1 { font-size: clamp(2.1rem, 4.8vw, 3.3rem); max-width: 19ch; margin-inline: 0; }
.sv-portada-tema .sv-plomo { max-width: 54ch; margin-top: 1.2rem; }

/* Prosa del artículo: una columna legible, ritmo tipográfico claro */
.sv-prosa { max-width: 700px; }
.sv-prosa h2 { font-size: clamp(1.5rem, 2.8vw, 2rem); margin-top: 2.8rem; }
.sv-prosa h2:first-child { margin-top: 0; }
.sv-prosa h3 { margin-top: 1.9rem; margin-bottom: .35rem; }
.sv-prosa p  { color: var(--sv-ink); }
.sv-prosa ul { display: grid; gap: .5rem; margin-bottom: 1.2rem; }
.sv-prosa ul li { padding-left: 1.15em; position: relative; color: var(--sv-ink-muted); }
.sv-prosa ul li::before {
    content: ""; position: absolute; left: 0; top: .68em;
    width: 5px; height: 5px; border-radius: 50%;
    background-color: color-mix(in oklab, var(--sv-primary) 55%, transparent);
}
.sv-prosa ul li strong { color: var(--sv-ink); }

/* Definición corta: término + qué es. Para los campos del complemento. */
.sv-defs { display: grid; gap: .9rem; margin-bottom: 1.4rem; }
.sv-defs div {
    padding-left: 1rem;
    border-left: 2px solid color-mix(in oklab, var(--sv-primary) 35%, transparent);
}
.sv-defs dt { font-weight: 600; font-size: .98rem; letter-spacing: -.015em; }
.sv-defs dd { margin: .1rem 0 0; font-size: .95rem; color: var(--sv-ink-muted); }

/* Nota al margen: advertencias y precisiones fiscales */
.sv-nota-caja {
    margin: 1.8rem 0; padding: 1.15rem 1.35rem; border-radius: 14px;
    font-size: .95rem; color: var(--sv-ink-muted);
    background-color: color-mix(in oklab, var(--sv-primary) 6%, transparent);
    border: 1px solid color-mix(in oklab, var(--sv-primary) 15%, transparent);
}
.sv-nota-caja strong { color: var(--sv-ink); }
.sv-nota-caja p:last-child { margin-bottom: 0; }

/* Bloque «cómo lo resuelve Solvrax»: la transición de informar a vender */
.sv-solucion {
    margin: 2.4rem 0; padding: 1.8rem;
    border-radius: 18px;
    background-color: color-mix(in oklab, var(--sv-surface-card) 58%, transparent);
    -webkit-backdrop-filter: blur(22px) saturate(1.4);
    backdrop-filter: blur(22px) saturate(1.4);
    border: 1px solid color-mix(in oklab, var(--sv-border) 55%, transparent);
    box-shadow: inset 1.2px 1.2px .5px -1px rgba(255,255,255,.7), 0 20px 50px -34px rgba(0,0,0,.35);
}
.sv-solucion h2 { margin-top: 0; font-size: 1.35rem; }

/* Temas relacionados: enlazado interno entre hermanas */
.sv-relacionadas { display: grid; gap: .8rem; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.sv-relacionadas a {
    display: block; padding: 1.15rem 1.25rem; border-radius: 14px;
    text-decoration: none; color: var(--sv-ink);
    background-color: color-mix(in oklab, var(--sv-surface-card) 50%, transparent);
    -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px);
    border: 1px solid color-mix(in oklab, var(--sv-border) 50%, transparent);
    transition: transform .25s cubic-bezier(.16,1,.3,1), border-color .25s ease;
}
.sv-relacionadas a:hover { transform: translateY(-2px); border-color: color-mix(in oklab, var(--sv-primary) 35%, transparent); }
.sv-relacionadas b { display: block; font-weight: 600; font-size: 1rem; letter-spacing: -.02em; margin-bottom: .2rem; }
.sv-relacionadas span { font-size: .89rem; color: var(--sv-ink-muted); }
@media (prefers-reduced-motion: reduce) { .sv-relacionadas a { transition: none; } .sv-relacionadas a:hover { transform: none; } }

@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
    .sv-solucion, .sv-relacionadas a { background-color: var(--sv-surface-card); }
}

/* Fichas de cumplimiento que sí tienen página propia: el título es el enlace
   (el texto del ancla es la palabra clave, que es lo que cuenta). */
.sv-fiscal h3 a { color: inherit; text-decoration: none; }
.sv-fiscal h3 a::after { content: " ›"; color: var(--sv-primary); }
.sv-fiscal h3 a:hover { color: var(--sv-primary); }

/* =========================================================================
   Formulario de contacto (portada, sección #demo).
   ========================================================================= */
.sv-form { max-width: 620px; margin: 2.4rem auto 0; text-align: left; }
.sv-form-rejilla { display: grid; gap: .9rem; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.sv-campo { display: grid; gap: .35rem; }
.sv-campo.sv-ancho { grid-column: 1 / -1; }
.sv-campo label { font-size: .88rem; font-weight: 560; letter-spacing: -.01em; color: var(--sv-ink); }
.sv-campo label .sv-opc { font-weight: 400; color: var(--sv-ink-muted); }

.sv-form input, .sv-form textarea {
    width: 100%;
    font-family: inherit; font-size: 1rem; color: var(--sv-ink);
    padding: .72rem .9rem; border-radius: 12px;
    background-color: color-mix(in oklab, var(--sv-surface-card) 72%, transparent);
    -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
    border: 1px solid color-mix(in oklab, var(--sv-border) 85%, transparent);
    transition: border-color .2s ease, box-shadow .2s ease;
}
.sv-form textarea { resize: vertical; min-height: 108px; }
.sv-form input::placeholder, .sv-form textarea::placeholder { color: color-mix(in oklab, var(--sv-ink-muted) 70%, transparent); }
.sv-form input:focus, .sv-form textarea:focus {
    outline: none;
    border-color: var(--sv-primary);
    box-shadow: 0 0 0 3px color-mix(in oklab, var(--sv-primary) 20%, transparent);
}
.sv-form input:user-invalid, .sv-form textarea:user-invalid { border-color: #9B2C2C; }

/* Trampa para robots: invisible y fuera del foco, pero sin display:none
   (algunos bots detectan ese truco y lo esquivan). */
.sv-trampa {
    position: absolute !important; left: -9999px !important;
    width: 1px; height: 1px; overflow: hidden;
}

.sv-form-pie { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem; margin-top: 1.3rem; }
.sv-form .sv-btn-primario[disabled] { opacity: .6; cursor: progress; transform: none; filter: none; }
.sv-aviso { font-size: .84rem; color: var(--sv-ink-muted); margin: .9rem 0 0; }

/* Estado del envío: se anuncia por aria-live, así que también se ve. */
.sv-estado { font-size: .95rem; margin: 1rem 0 0; padding: .85rem 1.05rem; border-radius: 12px; }
.sv-estado:empty { display: none; }
.sv-estado.ok {
    color: var(--sv-primary);
    background-color: color-mix(in oklab, var(--sv-primary) 10%, transparent);
    border: 1px solid color-mix(in oklab, var(--sv-primary) 25%, transparent);
}
.sv-estado.error {
    color: #9B2C2C;
    background-color: color-mix(in oklab, #9B2C2C 8%, transparent);
    border: 1px solid color-mix(in oklab, #9B2C2C 25%, transparent);
}
@media (prefers-color-scheme: dark) { .sv-estado.error { color: #E06A6A; } }

@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
    .sv-form input, .sv-form textarea { background-color: var(--sv-surface-card); }
}

/* Documento legal: numeración de secciones y respiro entre bloques. */
.sv-legal { counter-reset: sec; }
.sv-legal h2 { display: flex; gap: .6rem; align-items: baseline; }
.sv-legal h2::before {
    counter-increment: sec; content: counter(sec) ".";
    font-size: .62em; font-weight: 600; color: var(--sv-primary);
}
.sv-legal p, .sv-legal li { font-size: .99rem; }