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18px}.spine{width:var(--spine-width);height:var(--spine-height);display:block;position:relative;border-radius:3px 3px 0 0;border:1px solid rgba(238,181,102,.18);box-shadow:inset 8px 0 16px #ffffff0d,inset -8px 0 16px #00000057}.spine i{position:absolute;left:50%;top:12%;width:1px;height:72%;transform:translate(-50%);background:#f0cd8757}.spine-oxblood{background:linear-gradient(90deg,#3d1010,#7a2b1d 56%,#2a0808)}.spine-umber{background:linear-gradient(90deg,#3b170b,#80502c 56%,#251009)}.spine-charcoal{background:linear-gradient(90deg,#11100f,#3d3933 58%,#080807)}.spine-moss{background:linear-gradient(90deg,#172317,#465431 58%,#0b120b)}.spine-cocoa{background:linear-gradient(90deg,#2a160d,#68452c 58%,#130806)}.spine-ink{background:linear-gradient(90deg,#0d1219,#243343 58%,#07090d)}.spine-tan{background:linear-gradient(90deg,#71502d,#b98a52 58%,#422814)}.spine-rust{background:linear-gradient(90deg,#4b180e,#9b4824 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strong{display:block;font-size:clamp(3.2rem,8.6vw,7.3rem);font-weight:400;line-height:.9}.shelf-dots{display:flex;justify-content:center;gap:.55rem;margin:1.05rem auto 1.4rem;color:#efd8b1b3}.shelf-dots i{width:4px;height:4px;border-radius:50%;background:currentColor;box-shadow:0 0 0 1px #efd8b138}.parchment-card{position:relative;max-width:690px;margin:0 auto;padding:clamp(1.4rem,3vw,2.1rem) clamp(1.2rem,4vw,3.25rem);color:#3b2114;background:linear-gradient(90deg,rgba(91,48,21,.08),transparent 18%,transparent 82%,rgba(91,48,21,.08)),radial-gradient(circle at 50% 0%,rgba(255,255,255,.74),transparent 44%),var(--paper-aged);border:1px solid rgba(60,32,15,.45);box-shadow:inset 0 0 0 6px #fff9e847,inset 0 0 0 10px #5a2d121f,0 18px 36px #09030266}.parchment-card:before{content:"";position:absolute;top:12px;right:12px;bottom:12px;left:12px;border:1px dashed rgba(63,34,17,.38);pointer-events:none}.parchment-label{width:fit-content;margin:0 auto .8rem;padding:.18rem .85rem;border:1px solid rgba(60,32,15,.4);font-family:var(--font-serif);font-size:.82rem;letter-spacing:.08em}.parchment-card p{position:relative;z-index:1;max-width:560px;margin:0 auto .65rem;font-size:clamp(.86rem,1.25vw,1rem);line-height:1.85}.shelf-actions{position:relative;z-index:1;margin-top:1rem}.btn-paper{color:#3b2114;border-color:#3c200f6b;background:#fffcf23d}.btn-paper:hover{color:#fff6df;background:#3b2114}.fs-section{position:relative;min-height:100vh;display:flex;align-items:center;padding:6rem 3rem 4.75rem;overflow:hidden;border-bottom:1px solid rgba(248,246,240,.08)}.fs-section.align-center{justify-content:center;text-align:center}.fs-section.align-left{justify-content:flex-start;text-align:left}.fs-section.align-right{justify-content:flex-end;text-align:right}.fs-section.align-center .hero-subtitle,.fs-section.align-center .hero-body,.fs-section.align-center .content-box,.fs-section.align-center .section-subtitle{margin-left:auto;margin-right:auto}.fs-bg{position:absolute;top:0;right:0;bottom:0;left:0;z-index:-2}.fs-bg img{width:100%;height:100%;object-fit:cover;animation:ambientPan 42s ease-in-out infinite alternate;filter:contrast(1.06) brightness(.74) saturate(.74) sepia(.08);transform:translateZ(0)}.fs-overlay{position:absolute;top:0;right:0;bottom:0;left:0;z-index:-1;background:#000}.fs-bg:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:radial-gradient(circle at 50% 42%,transparent 0 24%,rgba(5,5,5,.48) 78%),linear-gradient(90deg,#04141757,#071f231a 44%,#0000004d),linear-gradient(180deg,rgba(0,0,0,.28),transparent 28%,rgba(0,0,0,.7));z-index:-1;pointer-events:none}.fs-content{position:relative;z-index:10;width:100%;max-width:1050px}.fs-section.align-left .fs-content,.fs-section.align-right .fs-content{max-width:1050px}.fs-section:not(#hero) .section-title,.fs-section:not(#hero) .section-subtitle,.fs-section:not(#hero) 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solid rgba(248,246,240,.18)}.method-card:last-child{border-right:0}.step-num{font-family:var(--font-display);font-size:1.4rem;color:#f0a46b;display:block;margin-bottom:1rem}.method-card h3{font-family:var(--font-display);font-size:1.65rem;line-height:1.08;text-transform:uppercase;margin-bottom:1rem}.method-card p{color:#f8f6f0d1;line-height:1.7}.content-box{max-width:600px}.content-box p{font-size:1.1rem;line-height:1.8;margin-bottom:1.5rem;color:#f8f6f0db}.tags-container{display:flex;flex-wrap:wrap;gap:1rem;justify-content:center;max-width:800px;margin:2rem auto 0}.result-tag{border:1px solid rgba(248,246,240,.42);padding:.46rem .78rem;font-family:var(--font-display);font-size:.78rem;font-weight:700;text-transform:uppercase;letter-spacing:.02em;background:#0808082e}.bookshelf-section{background:radial-gradient(circle at 18% 0%,rgba(240,164,107,.12),transparent 34%),linear-gradient(180deg,#f4ece4,#e8dccf);color:var(--text-dark);padding:9.5rem 3rem 8rem;border-bottom:1px solid 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.reveal{position:relative;z-index:1}.contents-heading{display:flex;align-items:center;justify-content:center;gap:1rem;margin:0 auto 2.6rem;text-align:center;color:#fff3d2}.contents-heading>span{width:min(120px,22vw);height:1px;background:linear-gradient(90deg,transparent,rgba(255,231,183,.72),transparent)}.contents-heading h2{font-family:var(--font-serif);font-size:clamp(1.5rem,3vw,2.4rem);font-weight:400;letter-spacing:.08em}.contents-heading p{margin-top:.2rem;font-size:.72rem;color:#ffebbeb8}.volume-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(1rem,2vw,1.75rem);max-width:1020px;margin:0 auto}.volume-card{min-width:0;display:grid;gap:.9rem;color:inherit;text-align:center}.volume-card-disabled{opacity:.74}.volume-book{position:relative;aspect-ratio:.72;min-height:250px;padding:2rem 1rem 1.35rem;display:flex;flex-direction:column;align-items:center;justify-content:center;overflow:hidden;border:1px solid rgba(255,222,160,.24);border-radius:2px 8px 8px 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