/*! /deltav: delta-v and thrust, the physics. MathML for every formula (native in every current browser), a math font from
   Google Fonts, the expression palette (TNT.theme reskins it like every page). */
.dvx-dv>*{min-width:0;max-width:100%}
.dvx-dv .dvx-lede{max-width:72ch;color:#cfcbbf}
.dv-hero .dvx-title{font-family:"Cormorant Garamond",Georgia,"Times New Roman",serif;font-weight:600;letter-spacing:0}
.dvx-dv math{font-family:"Noto Sans Math","STIX Two Math","Cambria Math","Latin Modern Math",math;color:var(--ink,#ece9df)}
.dvx-dv math[display="block"]{display:block math;margin:18px 0;padding:16px 12px;font-size:1.32em;text-align:center;overflow-x:auto;overflow-y:hidden}
.dvx-dv .dv-sec math[display="block"]{border-left:2px solid var(--gold,#d4af37);background:rgba(212,175,55,.05);border-radius:0 10px 10px 0}
.dvx-dv math.dv-hero__eq{font-size:2em;margin:26px 0 18px;color:var(--gold,#d4af37)}
.dvx-dv .dv-sec math.dv-eq--key{font-size:1.55em;box-shadow:0 0 0 1px rgba(212,175,55,.35),0 0 28px rgba(212,175,55,.12)}
.dv-toc{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.dv-toc a{display:inline-flex;align-items:center;min-height:36px;padding:0 12px;border:1px solid var(--line,rgba(212,175,55,.22));border-radius:18px;color:var(--ink,#ece9df);font-size:13px;letter-spacing:.04em}
.dv-toc a:hover,.dv-toc a:focus-visible{border-color:var(--gold,#d4af37);color:var(--gold,#d4af37)}
.dv-sec{scroll-margin-top:72px}
.dv-sec p{max-width:74ch;color:#cfcbbf;line-height:1.65}
.dv-sec a{color:var(--gold,#d4af37)}
.dv-sec a:hover{text-decoration:underline}
.dv-n{margin:0 0 6px;font:11px/1.6 var(--mono);letter-spacing:.2em;text-transform:uppercase;color:var(--gold,#d4af37)!important}
.dv-sec .dvx-h2{font-family:"Cormorant Garamond",Georgia,serif;font-size:28px;font-weight:600}
.dv-terms{display:grid;grid-template-columns:max-content 1fr;gap:6px 16px;margin:0 0 12px;color:#cfcbbf}
.dv-terms dt{text-align:right}.dv-terms dd{margin:0}
.dv-ex{padding:10px 14px;border-radius:10px;background:rgba(255,255,255,.03);border:1px dashed var(--line,rgba(212,175,55,.22))}
.dv-src{font-size:13.5px;color:var(--muted,#8d8a7d)!important}
.dv-calc__in{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px;margin:12px 0}
.dv-calc__in label{display:flex;flex-direction:column;gap:6px;font-size:13.5px;color:#cfcbbf}
.dv-calc__in input{min-height:44px;padding:0 12px;border:1px solid var(--line,rgba(212,175,55,.22));border-radius:10px;background:#07070b;color:var(--ink,#ece9df);font:16px var(--mono)}
.dv-calc__out{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px;margin:0}
.dv-calc__out div{padding:12px;border-radius:10px;background:rgba(212,175,55,.06)}
.dv-calc__out dt{font-size:12.5px;color:var(--muted,#8d8a7d)}
.dv-calc__out dd{margin:4px 0 0;font:600 20px/1.3 var(--mono);color:var(--gold,#d4af37)}
.dv-map{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:12px;margin:12px 0 0;padding:0;list-style:none}
.dv-map li{display:flex;flex-direction:column;padding:14px;border:1px solid var(--line,rgba(212,175,55,.22));border-radius:12px;background:rgba(0,0,0,.25)}
.dv-map li p{margin:0 0 10px}
.dv-map .dv-map__law{font:600 13px/1.5 var(--mono);color:var(--gold,#d4af37)}
.dv-map .dv-map__law math{font-size:1.15em}
.dv-map li>a{margin-top:auto;font-weight:600}
.dv-table{overflow-x:auto}
.dv-table table{width:100%;border-collapse:collapse;font-size:14px;color:#cfcbbf}
.dv-table th,.dv-table td{padding:8px 10px;border-bottom:1px solid var(--line,rgba(212,175,55,.22));text-align:left;vertical-align:top}
.dv-table th{font:600 11px/1.6 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--muted,#8d8a7d)}
/* the super hyperlinks: every link a card with its source, what it is for, and a glyph */
.dv-links h3{margin:22px 0 10px;font:600 12px/1.6 var(--mono);letter-spacing:.2em;text-transform:uppercase;color:var(--muted,#8d8a7d)}
.dv-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:10px;margin:0;padding:0;list-style:none}
.dv-card{display:flex;gap:12px;align-items:flex-start;height:100%;box-sizing:border-box;padding:12px 14px;border:1px solid var(--line,rgba(212,175,55,.22));border-radius:12px;
  background:linear-gradient(180deg,rgba(255,255,255,.025),rgba(0,0,0,.2));color:var(--ink,#ece9df)!important;transition:border-color .2s,transform .2s,box-shadow .2s}
.dv-card:hover,.dv-card:focus-visible{border-color:var(--gold,#d4af37);transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,0,0,.35),0 0 0 1px rgba(212,175,55,.25);text-decoration:none!important}
.dv-card__g{flex:0 0 36px;height:36px;display:grid;place-items:center;border-radius:9px;background:rgba(212,175,55,.12);color:var(--gold,#d4af37);font:600 17px/1 "Noto Sans Math",Georgia,serif}
.dv-card__t{display:block;font-weight:600;line-height:1.3}
.dv-card__d{display:block;margin-top:3px;font-size:12.5px;line-height:1.45;color:#b9b5a8}
.dv-card__s{display:block;margin-top:6px;font:11px/1.4 var(--mono);letter-spacing:.06em;color:var(--muted,#8d8a7d)}
.dv-faq details{padding:10px 0;border-bottom:1px solid var(--line,rgba(212,175,55,.22))}
.dv-faq summary{cursor:pointer;min-height:44px;display:flex;align-items:center;font-weight:600;color:var(--ink,#ece9df)}
.dv-faq details p{margin:6px 0 4px}
@media (prefers-reduced-motion:reduce){.dv-card{transition:none}.dv-card:hover{transform:none}}
@media (max-width:640px){.dv-n,.dv-card__s,.dv-table th{font-size:12px}.dvx-dv .dv-sec math[display="block"]{font-size:1.08em}.dvx-dv math.dv-hero__eq{font-size:1.5em}
  .dv-terms{grid-template-columns:1fr}.dv-terms dt{text-align:left}.dv-toc a,.dv-card{min-height:44px}}