/* ============================================
   PARROT SUITS — BLOG UX MAX (2022)
   Capa-de-percepción-del-Content-Hub: estándar-P26
   motion-tokens · reveals · progress · back-top ·
   toolbar-búsqueda · sticky-nav · count-up ·
   tabla-scroll-capsula · spotlight-sutil
   0-CDNs (P19) · prefiero-reduced-motion-guard
   ============================================ */
:root {
    --t-fast: .16s; --t-base: .26s; --t-slow: .5s;
    --e-out: cubic-bezier(.22, 1, .36, 1); --e-io: cubic-bezier(.65, 0, .35, 1);
    --gold-a: rgba(var(--acc-rgb-1), .5); --emerald-a: rgba(var(--acc-rgb-2), .5);
}
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

/* -------- Nav sticky con progress-bar -------- */
.blog-nav-wrap {
    position: sticky; top: 0; z-index: 100;
    backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
    background: rgba(5, 5, 8, .82);
    border-bottom: 1px solid var(--line-hair);
    transition: background var(--t-base) var(--e-out), box-shadow var(--t-base) var(--e-out);
}
.blog-nav-wrap.scrolled { box-shadow: 0 10px 34px rgba(0,0,0,.4); }
.blog-progress {
    position: absolute; left: 0; bottom: -1px; height: 2px; width: 100%;
    transform-origin: 0 50%; transform: scaleX(0);
    background: var(--grad-gold);
    transition: transform .12s linear;
}
.blog-nav-wrap .blog-nav { padding-top: 12px; padding-bottom: 12px; }

/* -------- Reveals escalonados -------- */
.bx-reveal {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity var(--t-slow) var(--e-out), transform var(--t-slow) var(--e-out);
    transition-delay: var(--bx-d, 0s);
    will-change: opacity, transform;
}
.bx-reveal.bx-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
    .bx-reveal { opacity: 1 !important; transform: none !important; transition: none !important; }
}

/* -------- Cards: hover-lift + spotlight -------- */
.post {
    position: relative;
    overflow: hidden;
    transition: transform var(--t-base) var(--e-out), border-color var(--t-base) var(--e-out), box-shadow var(--t-base) var(--e-out);
}
.post:hover { transform: translateY(-3px); box-shadow: 0 18px 48px rgba(0,0,0,.45); }
.post::before {
    content: ''; position: absolute; inset: 0; pointer-events: none;
    opacity: 0; transition: opacity var(--t-base) var(--e-out);
    background: radial-gradient(600px 260px at var(--bx-x, 50%) var(--bx-y, 0%), rgba(var(--acc-rgb-1),.07), transparent 70%);
}
.post:hover::before { opacity: 1; }
.post-tag { transition: background var(--t-fast) var(--e-out), transform var(--t-fast) var(--e-out); }
.post-tag:hover { background: rgba(var(--acc-rgb-1),.18); transform: translateY(-1px); }

/* -------- Respuesta-directa: entrada-con-vida -------- */
.post-direct-answer { position: relative; transition: background var(--t-base) var(--e-out); }
.post-direct-answer::after {
    content: ''; position: absolute; left: -3px; top: 12%; bottom: 12%; width: 3px;
    background: var(--grad-gold); border-radius: 2px;
    transform: scaleY(.25); transform-origin: 50% 0;
    transition: transform var(--t-slow) var(--e-out);
}
.post.bx-in .post-direct-answer::after { transform: scaleY(1); }

/* -------- Tablas: cápsula-scroll con hint -------- */
.cmp-wrap {
    position: relative;
    border: 1px solid var(--line-hair);
    border-radius: 10px;
    background: rgba(255,255,255,.02);
    overflow: hidden;
}
.cmp-wrap .cmp {
    display: block; overflow-x: auto;
    margin: 0;
    scrollbar-width: thin;
    scrollbar-color: var(--gold-a) transparent;
}
.cmp-wrap .cmp::-webkit-scrollbar { height: 6px; }
.cmp-wrap .cmp::-webkit-scrollbar-thumb { background: var(--gold-a); border-radius: 3px; }
.cmp-hint {
    font-size: .64rem; letter-spacing: .1em; text-transform: uppercase;
    color: var(--color-text-faint);
    padding: 8px 14px 10px; text-align: right;
}
@media (min-width: 900px) { .cmp-hint { display: none; } }

/* -------- fabric-matrix como mini-cards -------- */
.fabric-matrix { columns: 2; column-gap: 22px; }
.fabric-matrix li {
    break-inside: avoid;
    padding: 10px 14px; margin-bottom: 8px;
    background: rgba(255,255,255,.025);
    border: 1px solid rgba(255,255,255,.05);
    border-radius: 8px;
    transition: background var(--t-fast) var(--e-out), border-color var(--t-fast) var(--e-out), transform var(--t-fast) var(--e-out);
}
.fabric-matrix li:hover { background: rgba(var(--acc-rgb-1),.06); border-color: var(--color-border-strong); transform: translateY(-1px); }

/* -------- Toolbar: búsqueda-live + chips-filtro -------- */
.bx-toolbar {
    display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
    margin: 0 0 26px;
    padding: 14px 18px;
    background: rgba(10,10,18,.6);
    border: 1px solid var(--line-hair);
    border-radius: 12px;
    backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
    scroll-margin-top: 120px;
}
.bx-search { position: relative; flex: 1 1 220px; min-width: 200px; }
.bx-search input {
    width: 100%; padding: 11px 40px 11px 16px;
    font-size: .88rem; color: var(--color-text);
    background: rgba(255,255,255,.04);
    border: 1px solid var(--line-hair); border-radius: 999px;
    transition: border-color var(--t-fast) var(--e-out), box-shadow var(--t-fast) var(--e-out);
    font-family: var(--font-body);
}
.bx-search input::placeholder { color: var(--color-text-faint); }
.bx-search input:focus {
    outline: none; border-color: var(--color-border-strong);
    box-shadow: 0 0 0 3px rgba(var(--acc-rgb-1),.12);
}
.bx-search input:not(:placeholder-shown) ~ .bx-clear { opacity: 1; pointer-events: auto; }
.bx-clear {
    position: absolute; right: 8px; top: 50%; transform: translateY(-50%);
    width: 26px; height: 26px; border: 0; border-radius: 999px;
    background: rgba(255,255,255,.06); color: var(--color-text-dim);
    cursor: pointer; opacity: 0; pointer-events: none;
    transition: background var(--t-fast) var(--e-out), opacity var(--t-fast) var(--e-out);
    font-size: .8rem; line-height: 1;
}
.bx-clear:hover { background: rgba(255,255,255,.12); color: var(--color-text); }
.bx-chips { display: flex; gap: 8px; flex-wrap: wrap; }
.bx-chip {
    padding: 8px 16px;
    font-size: .72rem; font-weight: 600; letter-spacing: .1em;
    text-transform: uppercase; color: var(--color-text-dim);
    border: 1px solid var(--line-hair); border-radius: 999px;
    background: transparent; cursor: pointer;
    transition: all var(--t-fast) var(--e-out);
    min-height: 36px;
}
.bx-chip:hover { border-color: var(--color-border-strong); color: var(--acc1-light); }
.bx-chip[aria-pressed="true"] {
    background: rgba(var(--acc-rgb-1),.12);
    border-color: var(--color-border-strong);
    color: var(--acc1-light);
}
.bx-count {
    font-size: .7rem; color: var(--color-text-faint);
    letter-spacing: .08em; margin-left: auto;
}
.bx-empty {
    display: none;
    padding: 54px 20px; text-align: center;
    border: 1px dashed var(--line-hair); border-radius: 12px;
    color: var(--color-text-dim);
}
.bx-empty.show { display: block; }

/* -------- post oculto-por-filtro -------- */
.post.bx-hide { display: none; }

/* -------- Toast (feedback-vivo) -------- */
.bx-toast {
    position: fixed; left: 50%; bottom: 24px; z-index: 300;
    transform: translate(-50%, 80px);
    padding: 12px 22px;
    font-size: .8rem; color: var(--color-text);
    background: rgba(16,16,28,.92);
    border: 1px solid var(--color-border-strong);
    border-radius: 999px;
    box-shadow: 0 16px 44px rgba(0,0,0,.5);
    opacity: 0; pointer-events: none;
    transition: transform var(--t-base) var(--e-out), opacity var(--t-base) var(--e-out);
    backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
}
.bx-toast.show { transform: translate(-50%, 0); opacity: 1; }

/* -------- Back-top + WA-float -------- */
.bx-top {
    position: fixed; right: 22px; bottom: 84px; z-index: 200;
    width: 44px; height: 44px; border-radius: 999px; border: 1px solid var(--line-hair);
    background: rgba(16,16,28,.88); color: var(--acc1-light);
    cursor: pointer; display: flex; align-items: center; justify-content: center;
    opacity: 0; pointer-events: none; transform: translateY(10px);
    transition: all var(--t-base) var(--e-out);
    backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
}
.bx-top.show { opacity: 1; pointer-events: auto; transform: none; }
.bx-top:hover { background: rgba(var(--acc-rgb-1),.14); border-color: var(--color-border-strong); }
.bx-wa {
    position: fixed; right: 22px; bottom: 24px; z-index: 200;
    width: 48px; height: 48px; border-radius: 999px;
    background: #0f3d2e; color: #7ee6c9;
    display: flex; align-items: center; justify-content: center;
    box-shadow: 0 12px 34px rgba(0,0,0,.4);
    transition: transform var(--t-base) var(--e-out), box-shadow var(--t-base) var(--e-out);
}
.bx-wa:hover { transform: translateY(-2px) scale(1.04); box-shadow: 0 16px 44px rgba(var(--acc-rgb-2),.2); }
.bx-wa svg { width: 22px; height: 22px; }

/* -------- Standalone: bloque-lectura + índice-de-la-guía -------- */
.post-standalone { position: relative; }
.bx-toc {
    margin: 0 0 26px;
    padding: 16px 20px;
    background: rgba(10,10,18,.5);
    border: 1px solid var(--line-hair);
    border-radius: 10px;
    font-size: .8rem;
}
.bx-toc h3 {
    font-size: .66rem; font-weight: 700; letter-spacing: .16em;
    text-transform: uppercase; color: var(--acc1);
    margin: 0 0 10px; font-family: var(--font-body);
}
.bx-toc ol { list-style: none; counter-reset: toc; padding: 0; }
.bx-toc li { counter-increment: toc; margin-bottom: 6px; }
.bx-toc li::before {
    content: counter(toc) ' · ';
    color: var(--acc1); font-weight: 600;
}
.bx-toc a { color: var(--color-text-dim); transition: color var(--t-fast) var(--e-out); }
.bx-toc a:hover { color: var(--acc1-light); text-decoration: none; }

/* -------- Kicker-de-lectura (minutos) -------- */
.bx-kicker {
    display: inline-flex; gap: 10px; align-items: center;
    font-size: .7rem; letter-spacing: .12em; text-transform: uppercase;
    color: var(--color-text-faint);
    margin-bottom: 8px;
}
.bx-kicker b { color: var(--acc1); font-weight: 600; }

/* -------- count-up statband -------- */
.bx-stats {
    display: flex; gap: 30px; justify-content: center; flex-wrap: wrap;
    margin: 26px auto 0; padding: 20px 30px;
    max-width: 640px;
    background: rgba(255,255,255,.02);
    border: 1px solid var(--line-hair);
    border-radius: 14px;
    backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
}
.bx-stat { text-align: center; min-width: 110px; }
.bx-stat b {
    display: block; font-family: var(--font-display);
    font-size: 1.6rem; font-weight: 700;
    background: var(--grad-gold);
    -webkit-background-clip: text; background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1.2;
}
.bx-stat span {
    display: block; font-size: .66rem; letter-spacing: .14em;
    text-transform: uppercase; color: var(--color-text-faint);
    margin-top: 4px;
}

/* -------- a11y focus-visible -------- */
a:focus-visible, button:focus-visible, input:focus-visible {
    outline: 2px solid var(--acc1);
    outline-offset: 2px;
    border-radius: 4px;
}

/* -------- móvil -------- */
@media (max-width: 640px) {
    .blog-nav-wrap .blog-nav { padding: 10px 16px; }
    .bx-toolbar { padding: 12px 14px; }
    .bx-chip { padding: 7px 13px; min-height: 40px; }
    .bx-stats { gap: 16px; padding: 16px; }
    .bx-stat { min-width: 88px; }
    .bx-top, .bx-wa { right: 14px; }
    .bx-top { bottom: 92px; width: 40px; height: 40px; }
    .bx-wa { bottom: 20px; width: 44px; height: 44px; }
    .fabric-matrix { columns: 1; }
}
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
    .bx-toast { display: none; }
}