/* Anavi r16 (a copy of r15.css; its hero rules replaced by the artwork and formula key). Anavi r15: the chapter labels, the short forms and the deep pages' heads. r14v8's tokens and styles are unchanged (its own
   style block is kept byte for byte); this block only adds. */
/* r16: the artwork and its formula key. Desktop: the art left, the heading block and then the key right. Phones: art, heading, key. */
.opening.ax{display:grid;grid-template-columns:minmax(0,1fr);row-gap:clamp(14px,2vw,26px);padding-bottom:clamp(28px,4vw,56px)}
.ax-art{margin:0;border-radius:24px;overflow:hidden;background:#03040a;width:100%;aspect-ratio:1/1}
.ax-art img{display:block;width:100%;height:100%;object-fit:contain}
.opening.ax .op-text{display:block;padding:0}
.opening.ax .op-text h1{font-size:clamp(40px,4.6vw,76px)}
.opening.ax .op-side{padding-top:14px}
.ax-key{font-size:16px;line-height:1.55;color:var(--text-2);max-width:40em}
.ax-key-h{font-size:14px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin:0 0 10px;font-weight:600;line-height:1.3}
.ax-key-kind{margin:0 0 12px}
.ax-tag{display:inline-block;font-size:12.5px;letter-spacing:.1em;text-transform:uppercase;border:1px solid var(--edge);border-radius:999px;padding:0 .6em;margin-right:.4em;color:var(--muted)}
.ax-key-list{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.ax-key-list li{padding-left:2em;position:relative}
.ax-n{position:absolute;left:0;top:-.05em;font-family:var(--voice);font-style:normal;font-size:20px;color:var(--accent-ink)}
.ax-f{font-family:ui-serif,"STIX Two Math","Cambria Math",Georgia,serif;font-size:17px;color:var(--paper);white-space:normal}
/* browser run 1: this note at 14 px was under the key's 15 px text threshold */
.ax-key-note{margin:12px 0 0;font-size:15px;color:var(--quiet)}
@media (min-width:1000px){
  .opening.ax{grid-template-columns:minmax(0,min(56vw,100svh - 150px)) minmax(20em,1fr);grid-template-areas:"art text" "art key";column-gap:clamp(28px,3.5vw,56px);align-items:start}
  .ax-art{grid-area:art}.opening.ax .op-text{grid-area:text;align-self:start;padding-top:clamp(8px,2vw,28px)}.ax-key{grid-area:key}
}
.r15-ch{padding:clamp(36px,5vw,72px) var(--gutter) 0}
.r15-ch-l{max-width:1180px;margin:0 auto;display:flex;align-items:baseline;gap:.75em;padding:0;font-size:14px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.r15-ch-n{font-family:var(--voice);font-style:italic;font-size:26px;letter-spacing:0;text-transform:none;color:var(--accent-ink)}
.r15-more{margin:18px 0 0;font-size:17px;font-weight:600}
.r15-more-block{grid-column:1/-1;padding:0 var(--gutter)}
.r15-shape{margin:10px 0 0;font-size:16px;color:var(--text-2);max-width:48em}
.r15-shape-k{color:var(--muted);font-weight:600}
.r15-ash .s-copy .r15-more{margin-top:14px}
.r15-eyebrow{font-size:14px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin:0 0 10px}
.r15-disc .lead{font-size:clamp(18px,1.6vw,21px);color:var(--text-2);max-width:40em;margin:0 0 16px}
.r15-disc-list{list-style:none;margin:18px 0 0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,17em),1fr));gap:8px 28px;font-size:16px}
.r15-disc-list a{display:inline-block;padding:4px 0}
.r15-page-head{padding:clamp(28px,5vw,64px) var(--gutter) clamp(8px,2vw,20px);row-gap:10px}
.r15-page-head>*{grid-column:1/-1}
.r15-page-head h1{font-size:clamp(40px,5vw,76px);letter-spacing:-.05em;line-height:.95}
.r15-back{margin:0;font-size:15px}
.r15-orbit{padding-top:clamp(40px,6vw,88px)}
.r15-orbit-note{max-width:1180px;margin:14px auto 0}
.r15-page-lead{margin:6px 0 0;font-size:clamp(17px,1.4vw,21px);color:var(--text-2);max-width:40em}