/* AnswerToArrival project page; shared colors and type come from sovereign.css. */
:root{--project-accent:var(--ph-90)}
[hidden]{display:none!important}
a:focus-visible,button:focus-visible,[tabindex="0"]:focus-visible{outline:2px solid var(--project-accent);outline-offset:5px}
.skip-link{position:fixed;top:12px;left:20px;z-index:50;transform:translateY(-180%);padding:10px 16px;background:var(--ink);color:var(--void);border-radius:6px}
.skip-link:focus{transform:translateY(0)}
.project-atmos{position:fixed;inset:0;pointer-events:none;background:radial-gradient(75% 65% at 95% 0%,rgba(255,209,102,.09),transparent 65%)}
.project-hero,.project-section,.nextnav{position:relative;z-index:10;max-width:var(--maxw);margin:0 auto;padding-left:clamp(20px,5vw,52px);padding-right:clamp(20px,5vw,52px)}
.project-hero{padding-top:160px;padding-bottom:90px}
.hero-meta{display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin-bottom:30px}
.eyebrow{font-size:11px;letter-spacing:.16em;color:var(--ink-dim)}
.hero-meta .eyebrow{color:var(--project-accent)}
.project-hero h1{font-family:var(--font-display);font-weight:500;font-size:clamp(34px,6.5vw,76px);letter-spacing:-.04em;line-height:1.1;overflow-wrap:anywhere;margin-bottom:24px}
.project-tagline{font-family:var(--font-display);font-size:clamp(30px,4.5vw,52px);line-height:1.17;margin-bottom:24px}
.project-tagline em{font-weight:400;color:var(--project-accent)}
.purpose{max-width:720px;font-size:clamp(16px,1.8vw,19px);line-height:1.75;color:var(--ink-dim)}
.actions{display:flex;align-items:center;flex-wrap:wrap;gap:14px;margin-top:30px}
.btn.solid{background:var(--project-accent);border-color:var(--project-accent)}
.text-link{display:inline-flex;align-items:center;gap:10px;color:var(--project-accent);font-size:14px;text-decoration:underline;text-underline-offset:5px}
.project-facts{display:flex;flex-wrap:wrap;gap:12px 28px;margin-top:44px;padding-top:20px;border-top:1px solid var(--edge);font:11px/1.7 var(--font-mono);color:var(--ink-dim)}
.project-section{padding-bottom:88px;scroll-margin-top:110px}
.section-intro{max-width:740px;margin-bottom:32px}
h2{font-family:var(--font-display);font-size:clamp(28px,3.8vw,42px);font-weight:500;letter-spacing:-.02em;line-height:1.15;margin:14px 0 18px}
.section-intro p,.prose p{font-size:16px;line-height:1.8;color:var(--ink-dim)}
.burdens{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.burdens article{padding:24px;border:1px solid var(--edge);border-radius:12px;background:var(--panel);display:flex;flex-direction:column}
.number{font:10px/1.6 var(--font-mono);letter-spacing:.12em;color:var(--project-accent)}
h3{font-family:var(--font-display);font-size:25px;line-height:1.2;font-weight:500;margin:16px 0}
.burdens p{font-size:14px;line-height:1.8;color:var(--ink-dim);margin-bottom:20px}
.burdens .measure{border-top:1px solid var(--edge);padding-top:16px;margin-top:auto;margin-bottom:0;font-size:12px}
.measure b{color:var(--ink);font-weight:500}
.workflow{border:1px solid var(--edge);border-radius:16px;background:var(--panel);overflow:hidden}
.flow-controls{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));border-bottom:1px solid var(--edge)}
.flow-step{font-family:var(--font-body);font-size:14px;color:var(--ink-dim);border:0;border-right:1px solid var(--edge);border-bottom:2px solid transparent;background:transparent;cursor:pointer;padding:21px 12px;text-align:left;transition:background .2s}
.flow-step:last-child{border-right:0}
.flow-step span{font:11px var(--font-mono);display:block;margin-bottom:8px}
.flow-step[aria-selected="true"]{border-bottom-color:var(--project-accent);color:var(--project-accent);background:rgba(255,209,102,.06)}
.flow-step:hover{background:rgba(255,209,102,.08);color:var(--ink)}
.flow-step:focus-visible{outline-offset:-5px}
.flow-panel{display:grid;grid-template-columns:1.15fr 1fr;gap:40px;padding:32px;min-height:290px}
.flow-panel h3{font-size:clamp(25px,3vw,32px);max-width:25ch}
.flow-panel p{font-size:15px;line-height:1.8;color:var(--ink-dim)}
.flow-panel dl{border-left:1px solid var(--edge);padding-left:28px;align-self:center}
.flow-panel dl div+div{margin-top:22px}
.flow-panel dt{font:10px/1.6 var(--font-mono);letter-spacing:.1em;text-transform:uppercase;color:var(--project-accent);margin-bottom:8px}
.flow-panel dd{font-size:14px;line-height:1.7;color:var(--ink-dim)}
.flow-caption{border-top:1px solid var(--edge);padding:16px 32px;color:var(--ink-dim);font-size:12px;line-height:1.7}
.analysis-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:60px}
.analysis-grid .section-intro{margin:0}
.prose p{margin-bottom:20px}
.prose strong{color:var(--ink);font-weight:500}
.prose .thesis{border-left:2px solid var(--project-accent);padding-left:22px;color:var(--ink);margin:28px 0 0}
.application{display:grid;grid-template-columns:.85fr 1.15fr;gap:60px;border-top:1px solid var(--edge);border-bottom:1px solid var(--edge);padding:40px 0}
.application h2{font-size:clamp(36px,5vw,56px);margin-bottom:10px}
.application-subtitle{font-size:14px;color:var(--project-accent)}
.explore{padding:clamp(24px,4vw,44px);border-radius:16px;border:1px solid rgba(255,209,102,.22);background:linear-gradient(120deg,rgba(255,209,102,.07),var(--panel))}
.explore>p{max-width:750px;font-size:15px;line-height:1.8;color:var(--ink-dim)}
.sources h2{font:12px var(--font-mono);text-transform:uppercase;letter-spacing:.14em;color:var(--ink-dim);margin-top:0}
.sources>p{font-size:13px;line-height:1.8;color:var(--ink-dim);max-width:760px;margin-bottom:24px}
.sources ul{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:20px 32px}
.sources a{font-size:14px;color:var(--ink);text-decoration:underline;text-underline-offset:4px}
.sources li span:not([aria-hidden]){display:block;color:var(--ink-dim);font-size:12px;margin-top:5px}
.nextnav{display:flex;gap:12px;flex-wrap:wrap;padding-bottom:60px}
@media(max-width:850px){
  .burdens{grid-template-columns:1fr}
  .burdens article{padding:24px}
  .analysis-grid,.application{grid-template-columns:1fr;gap:22px}
  .flow-panel{gap:24px;padding:24px;min-height:330px}
}
@media(max-width:620px){
  .project-hero{padding-top:122px;padding-bottom:60px}
  .project-section{padding-bottom:60px}
  .flow-controls{grid-template-columns:repeat(3,minmax(0,1fr))}
  .flow-step{padding:14px 12px;font-size:12px}
  .flow-panel{grid-template-columns:1fr;min-height:0}
  .flow-panel dl{border-left:0;border-top:1px solid var(--edge);padding-left:0;padding-top:22px}
  .flow-caption{padding:16px 24px}
  .sources ul{grid-template-columns:1fr}
  .nextnav .nav-next{margin-left:0}
  .nextnav .btn{max-width:100%}
}