/* Bookfly Rest · Recursos (scoped rs-*) */
.rs{--rs-ink:#14161A;--rs-muted:#5E5E59;--rs-line:#EDEDED;--rs-cream:#FBF6F2;--rs-or:var(--bfr-orange,#CB5024);--rs-or-deep:var(--bfr-orange-deep,#A83E1A);color:var(--rs-ink)}
.rs-hdr nav a[aria-current="page"]::after{right:0}
.rs-eyebrow{font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--rs-or);font-weight:500;display:inline-flex;align-items:center;gap:8px}
.rs-eyebrow::before{content:'';width:18px;height:2px;background:currentColor}
/* intro */
.rs-intro{padding:clamp(3.5rem,8vw,6.5rem) 0 clamp(2rem,4vw,3rem);border-bottom:1px solid var(--rs-line);background:linear-gradient(180deg,var(--rs-cream),#fff 85%)}
.rs-intro-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:clamp(2rem,5vw,5rem);align-items:end}
.rs-intro h1{color:var(--rs-ink);font-size:clamp(2.8rem,1.4rem + 5.4vw,5.6rem);line-height:.95;letter-spacing:-.045em;margin:18px 0 0}
.rs-intro h1 em{font-style:normal;color:var(--rs-or)}
.rs-intro-side p{font-size:17px;line-height:1.6;color:var(--rs-muted);margin:0 0 18px}
.rs-formats{display:flex;flex-wrap:wrap;gap:8px;font-size:13px}
.rs-format{border:1px solid var(--rs-line);border-radius:999px;padding:6px 12px;color:var(--rs-muted);background:#fff}
.rs-format.is-live{border-color:var(--rs-ink);color:var(--rs-ink);font-weight:600}
.rs-format.is-live b{color:var(--rs-or);margin-right:4px}
/* featured */
.rs-featured{padding:clamp(2.5rem,5vw,4rem) 0}
.rs-feat{display:grid;grid-template-columns:1.15fr 1fr;border-radius:20px;overflow:hidden;background:var(--rs-ink);color:#fff;text-decoration:none;min-height:400px}
.rs-feat-img{position:relative;overflow:hidden}
.rs-feat-img img{width:100%;height:100%;object-fit:cover;transition:transform .6s cubic-bezier(.2,.7,.2,1)}
.rs-feat:hover .rs-feat-img img{transform:scale(1.03)}
.rs-feat-body{padding:clamp(1.75rem,4vw,3rem);display:flex;flex-direction:column;justify-content:space-between;gap:24px}
.rs-feat h2{color:#fff;font-size:clamp(1.7rem,1.2rem + 1.8vw,2.6rem);line-height:1.05;margin:14px 0 14px}
.rs-feat p{color:#C9C9CE;font-size:16px;line-height:1.6;margin:0}
.rs-feat .rs-eyebrow{color:var(--bfr-orange-bright,#FF8A4C)}
.rs-readmore{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:15px}
.rs-readmore span{transition:transform .2s}
a:hover .rs-readmore span{transform:translateX(4px)}
/* toolbar */
.rs-library{padding:0 0 clamp(4rem,8vw,6rem)}
.rs-lib-head{display:flex;justify-content:space-between;align-items:end;gap:20px;flex-wrap:wrap;margin-bottom:22px}
.rs-lib-head h2{font-size:clamp(1.6rem,1.2rem + 1.4vw,2.3rem);margin:8px 0 0}
.rs-tools{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;padding:14px 0;border-top:1px solid var(--rs-line);border-bottom:1px solid var(--rs-line);margin-bottom:28px}
.rs-tools[hidden]{display:none}
.rs-chips{display:flex;flex-wrap:wrap;gap:8px}
.rs-chip{font:inherit;font-size:14px;font-weight:600;border:1.5px solid #E2E2E2;background:#fff;color:var(--rs-ink);border-radius:999px;padding:8px 15px;cursor:pointer;transition:background .15s,border-color .15s,color .15s}
.rs-chip:hover{border-color:var(--rs-ink)}
.rs-chip[aria-pressed="true"]{background:var(--rs-ink);border-color:var(--rs-ink);color:#fff}
.rs-search{position:relative;flex:0 1 300px}
.rs-search input{width:100%;font:inherit;font-size:15px;padding:10px 14px 10px 38px;border:1.5px solid #E2E2E2;border-radius:10px;background:#fff;color:var(--rs-ink)}
.rs-search input:focus{outline:none;border-color:var(--rs-or)}
.rs-search svg{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--rs-muted)}
.rs-status{display:flex;gap:14px;align-items:center;font-size:14px;color:var(--rs-muted);margin:-12px 0 22px;min-height:22px}
.rs-reset{font:inherit;font-size:14px;font-weight:600;background:none;border:none;color:var(--rs-or);cursor:pointer;padding:0;text-decoration:underline;text-underline-offset:3px}
.rs-reset[hidden]{display:none}
/* cards */
.rs-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:clamp(1.25rem,2.5vw,2rem);list-style:none;padding:0;margin:0}
.rs-grid > li{grid-column:span 4}
.rs-grid > li:first-child{grid-column:span 6}
.rs-grid > li:nth-child(2){grid-column:span 6}
.rs-grid > li[hidden]{display:none}
.rs-card{display:flex;flex-direction:column;height:100%;text-decoration:none;color:var(--rs-ink)}
.rs-card-img{aspect-ratio:16/10;border-radius:14px;overflow:hidden;background:var(--rs-cream);margin-bottom:18px}
.rs-card-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s cubic-bezier(.2,.7,.2,1)}
.rs-card:hover .rs-card-img img{transform:scale(1.04)}
.rs-card-art{display:flex;align-items:flex-end;padding:22px;background:var(--rs-or);color:#fff;font-weight:800;font-size:clamp(2.2rem,4vw,3.4rem);letter-spacing:-.04em;line-height:.9}
.rs-meta{display:flex;gap:10px;align-items:center;font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--rs-muted)}
.rs-meta .rs-topic{color:var(--rs-or);font-weight:500}
.rs-card h3{font-size:clamp(1.25rem,1.1rem + .6vw,1.55rem);line-height:1.15;margin:10px 0 10px}
.rs-card:hover h3{text-decoration:underline;text-decoration-color:var(--rs-or);text-underline-offset:4px;text-decoration-thickness:2px}
.rs-card p{color:var(--rs-muted);font-size:15.5px;line-height:1.6;margin:0 0 14px}
.rs-card .rs-readmore{margin-top:auto;color:var(--rs-ink);font-size:14px}
.rs-empty{border:1.5px dashed #E2E2E2;border-radius:16px;padding:40px 24px;text-align:center}
.rs-empty[hidden]{display:none}
.rs-empty h3{font-size:20px;margin:0 0 6px}
.rs-empty p{color:var(--rs-muted);margin:0 0 16px}
/* principles + next */
.rs-band{background:var(--rs-cream);padding:clamp(3.5rem,7vw,5.5rem) 0}
.rs-band-grid{display:grid;grid-template-columns:1fr 1.4fr;gap:clamp(2rem,5vw,5rem)}
.rs-band h2{font-size:clamp(1.7rem,1.2rem + 1.6vw,2.5rem);margin:12px 0 0}
.rs-princ{list-style:none;margin:0;padding:0;counter-reset:p}
.rs-princ li{counter-increment:p;display:grid;grid-template-columns:48px 1fr;gap:6px 14px;padding:20px 0;border-top:1px solid #E8DED6}
.rs-princ li::before{content:counter(p,decimal-leading-zero);font-family:var(--font-mono);color:var(--rs-or);font-size:14px;padding-top:3px;grid-row:span 2}
.rs-princ b{font-size:17px}
.rs-princ span{color:var(--rs-muted);line-height:1.6}
.rs-cta{padding:clamp(3rem,6vw,5rem) 0}
.rs-cta-box{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;border-radius:20px;background:var(--rs-ink);color:#fff;padding:clamp(1.75rem,4vw,3rem)}
.rs-cta-box h2{color:#fff;font-size:clamp(1.5rem,1.1rem + 1.4vw,2.2rem);margin:0 0 6px;max-width:22ch}
.rs-cta-box p{color:#C9C9CE;margin:0;max-width:52ch}
.rs-cta-actions{display:flex;gap:10px;flex-wrap:wrap}
.rs-cta-box .btn-ghost{color:#fff;border-color:rgba(255,255,255,.3)}
.rs-cta-box .btn-ghost:hover{background:rgba(255,255,255,.08)}
/* article */
.rs-crumbs{display:block;font-size:14px;color:var(--rs-muted);padding:22px 0 0}
.rs-crumbs.wrap{padding-inline:clamp(1.25rem,4vw,3rem)}
.rs-crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:8px;margin:0;padding:0}
.rs-crumbs li+li::before{content:'/';margin-right:8px;color:#C4C4C4}
.rs-crumbs a{color:var(--rs-muted);text-decoration:none}
.rs-crumbs a:hover{color:var(--rs-or)}
.rs-art-head{position:static;top:auto;z-index:auto;border-bottom:0;padding:clamp(2rem,5vw,3.5rem) 0 clamp(1.5rem,3vw,2.5rem)}
.rs-art-head .rs-inner{max-width:820px}
.rs-art-head h1{color:var(--rs-ink);font-size:clamp(2.2rem,1.3rem + 3.6vw,3.9rem);line-height:1;letter-spacing:-.04em;margin:16px 0 18px}
.rs-dek{font-size:clamp(1.1rem,1rem + .4vw,1.3rem);line-height:1.55;color:var(--rs-muted);margin:0 0 20px}
.rs-art-hero{border-radius:20px;overflow:hidden;aspect-ratio:21/9;background:var(--rs-cream)}
.rs-art-hero img{width:100%;height:100%;object-fit:cover}
.rs-art-wrap{display:grid;grid-template-columns:220px minmax(0,680px);gap:clamp(2rem,5vw,4.5rem);padding:clamp(2.5rem,5vw,4rem) 0;justify-content:center}
.rs-aside{position:sticky;top:100px;align-self:start;font-size:14px}
.rs-back{display:inline-flex;gap:8px;align-items:center;font-weight:600;color:var(--rs-ink);text-decoration:none;margin-bottom:24px}
.rs-back:hover{color:var(--rs-or)}
.rs-toc-t{font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--rs-muted);margin:0 0 10px}
.rs-toc{list-style:none;margin:0;padding:0;border-left:2px solid var(--rs-line)}
.rs-toc a{display:block;padding:6px 0 6px 14px;margin-left:-2px;border-left:2px solid transparent;color:var(--rs-muted);text-decoration:none;line-height:1.35}
.rs-toc a:hover,.rs-toc a.is-active{color:var(--rs-ink);border-left-color:var(--rs-or)}
.rs-prose{font-size:18px;line-height:1.72;color:#2A2A28}
.rs-prose > p:first-child{font-size:20px;color:var(--rs-ink)}
.rs-prose h2{font-size:clamp(1.45rem,1.2rem + .9vw,1.9rem);margin:2.2em 0 .6em;scroll-margin-top:100px}
.rs-prose ul,.rs-prose ol{padding-left:1.2em;margin:0 0 1.2em}
.rs-prose li{margin-bottom:.5em}
.rs-prose li::marker{color:var(--rs-or)}
.rs-prose a{color:var(--rs-or-deep);text-decoration:underline;text-underline-offset:3px}
.rs-note{border-left:3px solid var(--rs-or);background:var(--rs-cream);padding:18px 22px;border-radius:0 12px 12px 0;font-size:16.5px;margin:1.8em 0}
.rs-note b{display:block;margin-bottom:4px}
.rs-sources{border-top:1px solid var(--rs-line);margin-top:2.5em;padding-top:1.2em;font-size:15px;color:var(--rs-muted)}
.rs-sources h2{font-size:16px;margin:0 0 8px;font-family:var(--font-mono);letter-spacing:.06em;text-transform:uppercase;font-weight:500}
.rs-related{border-top:1px solid var(--rs-line);padding:clamp(3rem,6vw,4.5rem) 0}
.rs-related h2{font-size:clamp(1.5rem,1.2rem + 1vw,2rem);margin:0 0 24px}
.rs-related .rs-grid > li{grid-column:span 6}
.rs-reveal{opacity:1;transform:none}
@media(max-width:1100px){.rs-hdr nav{gap:20px}}
@media(max-width:900px){
.rs-intro-grid,.rs-band-grid{grid-template-columns:1fr}
.rs-feat{grid-template-columns:1fr}.rs-feat-img{aspect-ratio:16/9}
.rs-grid > li,.rs-grid > li:first-child,.rs-grid > li:nth-child(2),.rs-related .rs-grid > li{grid-column:span 12}
.rs-art-wrap{grid-template-columns:1fr}.rs-aside{position:static}.rs-toc-block{display:none}
.rs-search{flex:1 1 100%}
}