.site--doc, .site--auth {
    background:
        radial-gradient(900px 420px at 80% -4%, rgba(46, 118, 178, 0.4), transparent 65%),
        linear-gradient(180deg, var(--acero-800) 0, var(--acero-900) 520px);
}

.doc { padding-top: 36px; padding-bottom: 72px; }

.doc--guide { display: grid; grid-template-columns: minmax(0, 1fr) 230px; gap: 48px; align-items: start; max-width: 1120px; }
.doc__main { min-width: 0; max-width: 780px; }

.crumbs { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 18px; font-size: 0.88rem; color: var(--apagado); }
.crumbs a { color: var(--cielo-claro); text-underline-offset: 3px; }

.doc__head { display: grid; justify-items: start; gap: 16px; margin-bottom: 26px; }

.doc h1 {
    margin: 0;
    font-family: var(--f-display);
    font-weight: 700;
    font-size: clamp(1.9rem, 1.2rem + 2.8vw, 3.1rem);
    line-height: 1.08;
    color: #fff;
    text-shadow: 0 3px 0 rgba(4, 12, 22, 0.55);
    text-wrap: balance;
}

.doc__lead { margin: 0; max-width: 62ch; font-size: 1.15rem; color: #d4e5f4; }

.doc__shot {
    display: block;
    width: 100%;
    height: auto;
    margin: 8px 0 12px;
    border: 3px solid var(--oro-hondo);
    border-radius: 14px;
    box-shadow: 0 20px 44px rgba(0, 0, 0, 0.5);
}

.doc__sec { padding: 34px 0 6px; }
.doc__sec h2 { margin: 0 0 14px; font-family: var(--f-display); font-size: clamp(1.45rem, 1.1rem + 1.2vw, 2rem); line-height: 1.15; color: #fff; }
.doc__sec h3 { margin: 22px 0 6px; font-size: 1.12rem; font-weight: 800; color: var(--oro-claro); }
.doc__sec p { margin: 0 0 12px; color: #cfe1f1; max-width: 68ch; }

.checks { display: grid; gap: 10px; margin: 0; padding: 0; list-style: none; }
.checks li { display: flex; gap: 12px; align-items: flex-start; padding: 12px 14px; border: 1px solid var(--linea); border-radius: 12px; background: rgba(255, 255, 255, 0.05); color: #d4e5f4; }
.checks .ic { margin-top: 3px; color: var(--oro); }

.gsteps { display: grid; gap: 14px; margin: 0; padding: 0; list-style: none; }

.gsteps li {
    display: grid;
    grid-template-columns: 52px minmax(0, 1fr);
    gap: 16px;
    padding: 18px 18px 14px;
    border: 1px solid var(--linea);
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.05);
}

.gsteps h3 { margin: 2px 0 4px; font-size: 1.12rem; color: #fff; }
.gsteps p { margin: 0 0 6px; }

.gsteps__n {
    display: grid;
    place-items: center;
    width: 48px;
    height: 48px;
    border: 2px solid var(--oro-borde);
    border-radius: 50%;
    background: linear-gradient(180deg, var(--oro-claro), var(--oro));
    color: #3a2300;
    font-family: var(--f-display);
    font-size: 1.3rem;
    line-height: 1;
}

.gshots { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin-top: 16px; }
.gshots figure { margin: 0; }
.gshots img { display: block; width: 100%; height: auto; border: 3px solid var(--oro-hondo); border-radius: 12px; box-shadow: 0 14px 30px rgba(0, 0, 0, 0.45); }
.gshots figcaption { display: grid; gap: 2px; margin-top: 10px; font-size: 0.9rem; color: #c1d6e8; }
.gshots figcaption b { color: #fff; font-size: 1rem; }

.gres { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin: 14px 0 0; padding: 0; list-style: none; }
.gres li { display: grid; grid-template-columns: 44px minmax(0, 1fr); gap: 14px; align-items: center; padding: 12px 14px; border: 1px solid var(--linea); border-radius: 12px; background: rgba(255, 255, 255, 0.05); }
.gres img { width: 44px; height: 44px; object-fit: contain; filter: drop-shadow(0 3px 3px rgba(0, 0, 0, 0.4)); }
.gres strong { display: block; color: #fff; font-family: var(--f-display); letter-spacing: 0.02em; text-transform: uppercase; font-size: 0.95rem; }
.gres span { font-size: 0.9rem; color: #c1d6e8; }

.doc__cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 40px; padding: 26px; border: 2px solid var(--oro-hondo); border-radius: 16px; background: rgba(245, 184, 46, 0.08); }

.toc { position: sticky; top: calc(var(--hdr-h) + 24px); padding: 18px 18px 14px; border: 1px solid var(--linea); border-radius: 14px; background: rgba(255, 255, 255, 0.05); }
.toc ul { display: grid; gap: 2px; margin: 0; padding: 0; list-style: none; }
.toc a { display: block; padding: 7px 10px; border-radius: 8px; color: var(--cielo-claro); font-weight: 700; font-size: 0.9rem; text-decoration: none; }
.toc a:hover { background: rgba(255, 255, 255, 0.09); color: #fff; }

.rels { display: grid; gap: 22px; max-width: 760px; }
.rel { padding: 24px 26px 18px; border: 1px solid var(--linea); border-radius: 16px; background: rgba(255, 255, 255, 0.05); }
.rel__head { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.rel__head h2 { margin: 0; font-family: var(--f-display); font-size: 1.5rem; color: #fff; }
.rel__tag { padding: 2px 9px; border-radius: 6px; background: var(--oro); color: #3a2300; font-size: 0.68rem; font-weight: 800; letter-spacing: 0.1em; text-transform: uppercase; }
.rel__group h3 { margin: 16px 0 6px; font-size: 0.8rem; font-weight: 800; letter-spacing: 0.12em; text-transform: uppercase; }
.rel__group--new h3 { color: #8fdc6e; }
.rel__group--better h3 { color: var(--cielo); }
.rel__group--fixed h3 { color: var(--oro-claro); }
.rel__group ul { margin: 0 0 8px; padding-left: 20px; color: #d4e5f4; }
.rel__group li { margin-bottom: 6px; }

.authpage { padding: 40px 0 72px; }
.authpage__head { margin: 0 auto 26px; max-width: 900px; }
.authpage__head h1 { margin: 0 0 8px; font-family: var(--f-display); font-weight: 700; font-size: clamp(1.8rem, 1.2rem + 2.4vw, 2.8rem); line-height: 1.1; color: #fff; text-shadow: 0 3px 0 rgba(4, 12, 22, 0.55); }
.authpage__head p { margin: 0; color: #d4e5f4; font-size: 1.08rem; }
.authpage__back { margin: 22px auto 0; max-width: 900px; text-align: center; }
.authpage__back a { color: var(--cielo-claro); font-weight: 700; }

@media (max-width: 1000px) {
    .doc--guide { grid-template-columns: minmax(0, 1fr); gap: 0; }
    .toc { display: none; }
}

@media (max-width: 640px) {
    .doc { padding-top: 24px; }
    .gres, .gshots { grid-template-columns: minmax(0, 1fr); }
    .gsteps li { grid-template-columns: 40px minmax(0, 1fr); gap: 12px; padding: 14px 12px 10px; }
    .gsteps__n { width: 38px; height: 38px; font-size: 1.1rem; }
    .rel { padding: 18px 18px 12px; }
    .doc__cta { padding: 18px; }
    .doc__cta .btn { width: 100%; }
}