:root{--black:#050707;--night:#081012;--panel:#0d1516;--panel-warm:#15110b;--ivory:#f1eadb;--muted:#b8b4aa;--gold:#d7a94d;--gold-bright:#f6cd79;--blue:#59c7dd;--blue-deep:#0c6075;--line:rgba(215,169,77,.28);--line-soft:rgba(241,234,219,.14);--shadow:0 28px 80px rgba(0,0,0,.5)}
*{box-sizing:border-box}html{scroll-behavior:smooth;background:var(--black)}body{margin:0;overflow-x:hidden;background:radial-gradient(circle at 85% 8%,rgba(19,102,119,.12),transparent 34rem),var(--black);color:var(--ivory);font-family:'Spectral',Georgia,serif;font-size:1.0625rem;line-height:1.68;-webkit-font-smoothing:antialiased}img{display:block;max-width:100%}a{color:inherit}::selection{background:var(--gold);color:#080706}.page-shell{width:min(1220px,calc(100% - 3rem));margin-inline:auto}.narrow{width:min(860px,calc(100% - 3rem))}.skip-link{position:fixed;left:1rem;top:-5rem;z-index:100;background:var(--ivory);color:#000;padding:.75rem 1rem;text-decoration:none}.skip-link:focus{top:1rem}.site-nav{position:sticky;top:0;z-index:50;display:flex;align-items:center;justify-content:space-between;gap:1.5rem;padding:.8rem clamp(1rem,4vw,4rem);border-bottom:1px solid var(--line);background:rgba(5,7,7,.94);backdrop-filter:blur(16px)}.brand{font-family:'Cinzel',serif;font-size:.78rem;font-weight:700;letter-spacing:.1em;text-decoration:none;white-space:nowrap}.brand span{color:var(--gold)}.nav-track{display:flex;gap:1.25rem;overflow-x:auto;scrollbar-width:none}.nav-track::-webkit-scrollbar{display:none}.nav-track a{min-height:2.5rem;display:inline-flex;align-items:center;color:#d6d1c7;font-family:'JetBrains Mono',monospace;font-size:.68rem;letter-spacing:.08em;text-decoration:none;text-transform:uppercase;white-space:nowrap}.nav-track a:hover,.nav-track a:focus-visible{color:var(--gold-bright)}
.eyebrow{margin:0 0 1rem;color:var(--gold);font-family:'JetBrains Mono',monospace;font-size:.74rem;font-weight:600;letter-spacing:.18em;text-transform:uppercase}h1,h2,h3{font-family:'Cinzel',Georgia,serif;text-transform:uppercase;text-wrap:balance}h1,h2{margin:0;line-height:1}h1{font-size:clamp(3.4rem,8.5vw,8.4rem);letter-spacing:-.055em}h2{font-size:clamp(2.5rem,6.6vw,6.1rem);letter-spacing:-.045em}h3{line-height:1.25}.chapter{position:relative;padding:clamp(5rem,9vw,9rem) 0;border-top:1px solid var(--line-soft)}.chapter[id]{scroll-margin-top:4.5rem}.chapter-proposition{max-width:68ch;margin:1.5rem 0 2.2rem;color:#ded7ca;font-size:clamp(1.12rem,2vw,1.4rem)}
.hero{padding:clamp(3rem,7vw,6rem) 0;background:radial-gradient(circle at 20% 30%,rgba(122,75,25,.24),transparent 28rem),linear-gradient(135deg,#090b0b,#071013 64%,#050707);border-bottom:1px solid var(--line)}.hero-shell{display:grid;grid-template-columns:minmax(0,1.12fr) minmax(300px,.66fr);gap:clamp(2.5rem,7vw,7rem);align-items:center}.hero-copy{min-width:0;padding-block:2rem}.hero h1{width:min(11ch,100%);color:var(--gold-bright)}.hero-premise{max-width:55ch;margin:2rem 0 0;color:#ddd6c9;font-size:clamp(1.1rem,2vw,1.35rem)}.hero-poster{width:min(100%,470px);justify-self:end}.hero-actions,.return-row{display:flex;flex-wrap:wrap;gap:.8rem}.primary-action,.secondary-action{display:inline-flex;align-items:center;justify-content:center;gap:.65rem;min-height:3.2rem;margin-top:1.8rem;padding:.78rem 1.05rem;border:1px solid var(--gold);background:linear-gradient(180deg,rgba(88,55,18,.54),rgba(16,12,7,.9));color:#ffe0a4;font-family:'JetBrains Mono',monospace;font-size:.72rem;font-weight:600;letter-spacing:.07em;text-decoration:none;text-transform:uppercase}.secondary-action{border-color:rgba(241,234,219,.35);background:rgba(5,7,7,.55);color:var(--ivory)}.primary-action:hover,.primary-action:focus-visible,.secondary-action:hover,.secondary-action:focus-visible{border-color:var(--gold-bright);outline:2px solid transparent;background:#2c1c0d}
@media(min-width:901px){.hero .hero-poster figcaption{padding:1.05rem 1.1rem 1.15rem;color:#d3cdc1;font-size:.84rem;line-height:1.68}.hero .hero-poster figcaption .evidence-tag{display:table;margin:0 0 .65rem}}

.editorial-notice{margin-block:2rem;padding:1.35rem 1.5rem;border:1px solid #8b6a2a;background:linear-gradient(135deg,rgba(90,59,21,.34),rgba(11,13,12,.9))}.editorial-notice h2{font-size:clamp(1.4rem,3vw,2.2rem);letter-spacing:0}.editorial-notice p:last-child{max-width:90ch;margin-bottom:0;color:#ddd3c2}.chapter-grid{display:grid;grid-template-columns:minmax(280px,.72fr) minmax(0,1.1fr);gap:clamp(2.5rem,7vw,6rem);align-items:center}.chapter-grid.text-first{grid-template-columns:minmax(0,1.1fr) minmax(280px,.75fr)}.chapter-copy h2{max-width:12ch}.manuscript-body{margin:2rem 0;color:#ddd6c9;font-size:clamp(1rem,1.25vw,1.14rem);line-height:1.82}.manuscript-body p{margin:0 0 1.35rem}.manuscript-subhead{margin:2.25rem 0 1rem;color:var(--gold-bright);font-size:clamp(1.25rem,2.3vw,1.7rem);letter-spacing:.03em}.manuscript-citation{padding-top:1rem;border-top:1px solid var(--line-soft);color:#c8b993;font-size:.93rem}.measurement{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;margin:1.25rem 0;border:1px solid var(--line);background:var(--line)}.measurement p{display:grid;gap:.2rem;margin:0;padding:1.1rem;background:#0a0e0e}.measurement strong{color:var(--gold-bright);font-family:'Cinzel',serif;font-size:clamp(1.7rem,4vw,2.8rem);line-height:1}.measurement span,.measurement-note{color:var(--muted);font-family:'JetBrains Mono',monospace;font-size:.72rem;letter-spacing:.04em}.boundary-stack{display:grid;gap:1rem}.boundary,.source-receipt,.source-cluster article{padding:1.35rem;border:1px solid var(--line-soft);background:rgba(13,21,22,.82)}.boundary h3,.source-receipt h3,.source-cluster h3{margin:.8rem 0 .45rem;color:var(--ivory);font-size:1.15rem}.boundary p,.source-receipt p,.source-cluster p{margin:.35rem 0;color:#c9c3b8}.source-receipt ul{padding-left:1.25rem;color:#cbc4b8}.source-receipt a,.source-cluster a,.site-copy a,.sources-grid a{color:var(--gold-bright);text-underline-offset:.2em}.source-receipt .limit{margin-top:1rem;padding-top:1rem;border-top:1px solid var(--line-soft);color:#bdb5a6}
.evidence-tag{display:inline-block;width:max-content;max-width:100%;padding:.35rem .58rem;border:1px solid currentColor;font-family:'JetBrains Mono',monospace;font-size:.64rem;font-weight:600;letter-spacing:.08em;line-height:1.3;text-transform:uppercase}.evidence-tag.biblical{color:#f0bd5e}.evidence-tag.tradition{color:#a9a7f3}.evidence-tag.archaeology{color:#82d7a2}.evidence-tag.scholarship{color:#77c8ee}.evidence-tag.reconstruction{color:#d492ef}.evidence-tag.speculation{color:#75d8e9}
.reconstruction-frame,.archaeology-frame{margin:0;border:1px solid var(--line);background:#050707;box-shadow:var(--shadow)}.reconstruction-frame img,.archaeology-frame img{width:100%;height:auto}.reconstruction-frame figcaption,.archaeology-frame figcaption{padding:.9rem 1rem;border-top:1px solid var(--line-soft);color:#bdb6aa;font-size:.78rem;line-height:1.55}.reconstruction-frame figcaption .evidence-tag,.archaeology-frame figcaption .evidence-tag{margin-right:.45rem}.portrait-figure{width:min(100%,500px);margin-inline:auto}.landscape-figure{margin:2.5rem 0}.landscape-figure img{aspect-ratio:16/8.8;object-fit:cover}.evidence-after{margin-top:2.5rem;align-items:stretch}.evidence-after>.manuscript-body{margin:0}.chapter-index{background:#0a0d0d}.index-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;margin-top:2.5rem;border:1px solid var(--line);background:var(--line)}.index-grid a{min-height:9rem;padding:1.25rem;background:#090d0d;text-decoration:none}.index-grid a:hover,.index-grid a:focus-visible{background:#121b1c}.index-grid span,.evidence-rail span{display:block;color:var(--gold);font-family:'JetBrains Mono',monospace;font-size:.68rem;letter-spacing:.1em;text-transform:uppercase}.index-grid strong{display:block;margin:.45rem 0;color:var(--ivory);font-family:'Cinzel',serif;text-transform:uppercase}.index-grid small{color:var(--muted)}.evidence-rail{display:grid;grid-template-columns:1fr auto 1fr;gap:1rem;align-items:center;margin-top:2.5rem}.evidence-rail>div{min-height:12rem;padding:1.4rem;border:1px solid var(--line);background:var(--panel)}.evidence-rail strong{display:block;margin:.5rem 0;color:var(--gold-bright);font-family:'Cinzel',serif;font-size:1.2rem;text-transform:uppercase}.evidence-rail i{color:var(--gold);font-size:2rem}.storm-section{background:radial-gradient(circle at 85% 30%,rgba(29,109,130,.2),transparent 30rem),#050707}.archaeology-section{background:linear-gradient(180deg,#0a0d0d,#11100b)}.archaeology-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.25rem;margin-top:3rem}.site-card{border:1px solid var(--line);background:#090c0c}.site-card figure{border:0;border-bottom:1px solid var(--line);box-shadow:none}.site-card figure img{aspect-ratio:16/9;object-fit:cover}.site-copy{padding:1.2rem 1.25rem 1.5rem}.site-copy h3{margin:0 0 .6rem;color:var(--gold-bright);font-size:1.35rem}.site-copy p{color:#c9c3b8}.site-copy a{display:block;margin-top:.45rem}.archaeology-verdict{margin:1.5rem 0 0;padding:1.2rem;border-left:4px solid #82d7a2;background:rgba(31,87,53,.16);color:#d8d4ca}.underworld-section{background:radial-gradient(circle at 22% 35%,rgba(17,131,161,.24),transparent 30rem),#04090a}.blue{border-color:rgba(89,199,221,.45)}.source-cluster{display:grid;gap:.8rem}.source-cluster article{background:rgba(5,13,15,.86)}.source-cluster a+a{margin-left:.8rem}.synthesis-section{background:radial-gradient(circle at 50% 20%,rgba(142,93,31,.16),transparent 28rem),#060707}.ledger{display:grid;grid-template-columns:1fr 1fr;gap:1px;margin-top:2.5rem;border:1px solid var(--line);background:var(--line)}.ledger article{padding:1.25rem;background:#0c0f0f}.ledger span{color:var(--gold);font-family:'JetBrains Mono',monospace;font-size:.7rem;letter-spacing:.08em;text-transform:uppercase}.ledger p{margin:.55rem 0 0;color:#cec7ba}.editorial-principle{margin:4rem auto 0;color:var(--gold-bright);font-family:'Cinzel',serif;font-size:clamp(1.8rem,4.5vw,3.6rem);font-weight:700;line-height:1.25;text-align:center;text-transform:uppercase}
.door-beyond{position:relative;min-height:92svh;display:grid;place-items:center;isolation:isolate;overflow:hidden;text-align:center}.door-media{position:absolute;z-index:-2;inset:0}.door-media img{width:100%;height:100%;object-fit:cover;filter:saturate(.72) contrast(1.05)}.door-color-treatment{position:absolute;inset:0;background:radial-gradient(circle at 50% 50%,rgba(222,169,65,.62) 0,rgba(50,179,204,.33) 13%,rgba(0,40,56,.64) 38%,rgba(2,7,9,.92) 84%),linear-gradient(180deg,rgba(3,8,9,.4),#030708)}.door-copy{padding-block:8rem;text-shadow:0 3px 20px #000}.door-copy h2{max-width:13ch;margin-inline:auto;color:#b9f3ff}.door-copy h2 a{color:inherit;text-decoration-color:rgba(185,243,255,.5);text-decoration-thickness:1px;text-underline-offset:.18em}.door-copy h2 a:hover,.door-copy h2 a:focus-visible{color:#fff0ca}.door-question{max-width:25ch;margin:2.5rem auto;color:#fff0ca;font-family:'Cinzel',serif;font-size:clamp(1.6rem,4vw,3.4rem);font-weight:700;line-height:1.35;text-transform:uppercase}.door-transition{max-width:58ch;margin:1.5rem auto;color:#e8e5dd;font-size:clamp(1rem,1.7vw,1.25rem);line-height:1.7}.door-boundary{max-width:68ch;margin:2rem auto;color:#e0ded8}.door-credit{max-width:72ch;margin:2rem auto 0;color:#b7c5c7;font-size:.78rem}.related-section{background:#080b0b}.related-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem;margin-top:2.5rem}.related-grid a{min-height:10rem;padding:1.35rem;border:1px solid var(--line);background:#0d1111;text-decoration:none}.related-grid a:hover,.related-grid a:focus-visible{border-color:var(--gold-bright);background:#151612}.related-grid strong{display:block;color:var(--gold-bright);font-family:'Cinzel',serif;text-transform:uppercase}.related-grid span{display:block;margin-top:.6rem;color:var(--muted)}.sources-section{background:#0a0907}.sources-grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-top:2.5rem}.sources-grid>div{padding:1.25rem;border:1px solid var(--line-soft);background:#100e0a}.sources-grid h3{margin-top:0;color:var(--gold-bright);font-size:1rem}.sources-grid ol,.sources-grid ul{padding-left:1.25rem}.sources-grid li{margin:.45rem 0;color:#cac3b6}.sources-grid code{font-size:.78em;overflow-wrap:anywhere}.site-footer{padding:2rem 0;border-top:1px solid var(--line);background:#030404;color:#9f9b93;font-family:'JetBrains Mono',monospace;font-size:.68rem;letter-spacing:.06em;text-transform:uppercase}.site-footer .page-shell{display:flex;justify-content:space-between;gap:1rem}.site-footer p{margin:0}
@media(max-width:900px){.hero-shell,.chapter-grid,.chapter-grid.text-first{grid-template-columns:1fr}.hero-copy{text-align:center}.hero h1,.hero-premise{margin-inline:auto}.hero-actions{justify-content:center}.hero-poster{justify-self:center;max-width:420px}.text-first .chapter-copy{order:1}.text-first .boundary-stack,.text-first .portrait-figure{order:2}.chapter-copy h2{max-width:none}.archaeology-grid{grid-template-columns:1fr}.portrait-figure{max-width:430px}.sources-grid{grid-template-columns:1fr}}
@media(max-width:650px){body{font-size:1rem}.page-shell,.narrow{width:min(100% - 2rem,1220px)}.site-nav{align-items:flex-start;flex-direction:column;gap:.3rem;padding:.65rem 1rem}.nav-track{width:100%}.chapter{padding-block:4.5rem}.hero{padding-block:2.5rem}.hero-shell{gap:2rem}.hero-actions,.return-row{flex-direction:column}.primary-action,.secondary-action{width:100%;margin-top:.8rem}.hero-poster{max-width:360px}.index-grid,.ledger,.related-grid{grid-template-columns:1fr}.index-grid a{min-height:auto}.evidence-rail{grid-template-columns:1fr}.evidence-rail i{transform:rotate(90deg);text-align:center}.archaeology-grid{gap:1rem}.landscape-figure img{aspect-ratio:4/3}.site-footer .page-shell{flex-direction:column}.door-beyond{min-height:auto}.door-copy{padding-block:7rem}.door-media img{object-position:center}.sources-grid>div{padding:1rem}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}}

/* Task 3A: mobile-first hero and accessible chapter disclosure. Desktop remains unchanged. */
.mobile-chapter-nav,.hero-mobile-scene,.mobile-title-break{display:none}
@media(max-width:650px){
  .site-nav{padding:max(.65rem,env(safe-area-inset-top)) max(1rem,env(safe-area-inset-right)) .65rem max(1rem,env(safe-area-inset-left))}
  .nav-track{display:none}
  .mobile-chapter-nav{position:relative;display:block;width:100%;font-family:'JetBrains Mono',monospace}
  .mobile-chapter-nav summary{display:flex;align-items:center;justify-content:space-between;min-height:2.75rem;padding:.62rem .75rem;border:1px solid var(--line);color:var(--gold-bright);cursor:pointer;font-size:.68rem;font-weight:600;letter-spacing:.1em;list-style:none;text-transform:uppercase}
  .mobile-chapter-nav summary::-webkit-details-marker{display:none}
  .mobile-chapter-nav summary::after{content:'+';font-size:1rem;line-height:1}
  .mobile-chapter-nav[open] summary::after{content:'−'}
  .mobile-chapter-nav summary:focus-visible{outline:2px solid var(--gold-bright);outline-offset:2px}
  .mobile-chapter-list{position:absolute;z-index:60;top:calc(100% + .35rem);inset-inline:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0;border:1px solid var(--gold);background:#050707;box-shadow:var(--shadow)}
  .mobile-chapter-list a{display:flex;align-items:center;min-height:2.9rem;padding:.65rem .75rem;border-bottom:1px solid rgba(215,169,77,.42);background:#050707;color:#ddd6c9;font-size:.65rem;letter-spacing:.06em;text-decoration:none;text-transform:uppercase}
  .mobile-chapter-list a:nth-child(odd){border-right:1px solid rgba(215,169,77,.42)}
  .mobile-chapter-list a:nth-last-child(-n+2){border-bottom:0}
  .mobile-chapter-list a:hover,.mobile-chapter-list a:focus-visible{background:#172023;color:var(--gold-bright);outline:2px solid var(--gold-bright);outline-offset:-2px}
  .hero{padding:1.8rem 0 3.6rem}
  .hero-shell{gap:0}
  .hero-copy{padding:0;text-align:center}
  .hero .eyebrow{max-width:34ch;margin:0 auto .85rem;font-size:.63rem;line-height:1.6;letter-spacing:.16em}
  .hero h1{width:100%;max-width:none;margin-inline:auto;color:var(--gold-bright);font-size:clamp(2.15rem,10.7vw,3rem);line-height:1.02;letter-spacing:-.045em}
  .mobile-title-break{display:block}
  .hero-mobile-scene{display:block;width:100%;margin:1.35rem auto 0;border-color:rgba(215,169,77,.42);box-shadow:0 22px 60px rgba(0,0,0,.55)}
  .mobile-scene-window{height:clamp(320px,48svh,420px);overflow:hidden;background:#061014}
  .hero-mobile-scene img{width:100%;height:100%;object-fit:cover;object-position:center 58%}
  .hero-mobile-scene figcaption{padding:.72rem .78rem;text-align:left;font-size:.72rem;line-height:1.5}
  .hero-mobile-scene figcaption .evidence-tag{margin:0 .35rem .3rem 0}
  .hero-premise{margin:1.25rem auto 0;font-size:1.04rem;line-height:1.65}
  .hero-actions{margin-top:.35rem}
  .hero-actions .primary-action,.hero-actions .secondary-action{min-height:3.4rem}
  .hero-poster{display:block;width:100%;max-width:360px;margin:2.25rem auto 0}
}
@media(max-width:350px){h2{font-size:2.15rem}}

/* Task 7C: owner-approved Door Beyond artwork. Preserve the full portrait composition without cropping or color treatment. */
.door-beyond{display:block;min-height:92svh;padding-block:clamp(4rem,7vw,8rem);background:radial-gradient(circle at 24% 42%,rgba(22,152,181,.18),transparent 34rem),radial-gradient(circle at 72% 36%,rgba(181,126,38,.12),transparent 30rem),#03090c}
.door-layout{display:grid;grid-template-columns:minmax(280px,.82fr) minmax(0,1.18fr);gap:clamp(2rem,5vw,6rem);align-items:center}
.door-media{position:relative;z-index:auto;inset:auto;margin:0;border:1px solid rgba(210,164,76,.45);background:#020607;box-shadow:0 30px 70px rgba(0,0,0,.58),0 0 48px rgba(37,164,192,.12)}
.door-media img{display:block;width:100%;height:auto;object-fit:contain;filter:none}
.door-copy{padding-block:clamp(1rem,4vw,4rem);text-align:center}
@media(max-width:900px){.door-beyond{min-height:auto}.door-layout{grid-template-columns:1fr;gap:2.5rem}.door-media{width:min(100%,680px);justify-self:center}.door-copy{padding-block:1rem 0}}
@media(max-width:650px){.door-beyond{padding-block:4.5rem}.door-layout{gap:2rem}.door-copy{padding-block:0}.door-question{margin-block:2rem}.door-boundary{margin-top:1.75rem}.door-credit{margin-top:1.5rem}}