/* Design terms: IntersectionObserver` `threshold: 0.15` — elements fade `opacity: 0 → 1` and `translateY(20px → 0`; Source Sans 3 at 0.8rem flows naturally with generous line-height; Source Sans 3" (Google Fonts */
:root{--ink:#0a1628;--study:#122240;--patina:#1d3557;--gold:#c9b896;--silver:#8fa7c4;--body:#b8c5d6;--fog:#4a6580;--amber:#d4a855;--gutter:clamp(16px,2vw,32px)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--ink);color:var(--body);font-family:"Source Sans 3",sans-serif;font-size:clamp(.95rem,1.2vw,1.1rem);line-height:1.72;letter-spacing:.01em;overflow-x:hidden}body:before{content:"";position:fixed;inset:0;pointer-events:none;opacity:.03;mix-blend-mode:overlay;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.72' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");z-index:50}.page-grain{position:fixed;inset:0;box-shadow:inset 0 0 120px rgba(0,0,0,.45);pointer-events:none;z-index:49}h1,h2{margin:0}p{margin:0 0 1.3rem}.hero{height:100vh;position:relative;display:grid;place-items:center;background:var(--ink);overflow:hidden}.constellation{position:absolute;inset:-20%;width:140%;height:140%;animation:rotateStars 180s linear infinite;transform-origin:center}.constellation path{fill:none;stroke:rgba(29,53,87,.3);stroke-width:1}.constellation circle{fill:var(--patina)}.hero-sigil{position:absolute;width:min(58vw,560px);opacity:.28}.hero-sigil svg{fill:none;stroke:var(--patina);stroke-width:1.2;animation:sigilPulse 9s ease-in-out infinite}.hero-copy{text-align:center;transform:translateY(-10vh);transition:opacity .3s ease,transform .3s ease}.hero h1{font-family:"Cormorant Garamond",serif;font-style:italic;font-weight:600;font-size:clamp(3rem,8vw,7rem);line-height:.9;color:var(--gold);text-shadow:0 0 35px rgba(201,184,150,.08)}.hero p{font-family:"IM Fell English",serif;font-style:italic;color:var(--fog);font-size:clamp(1rem,1.4vw,1.35rem);margin-top:1.2rem}.marginalia{position:fixed;left:0;top:0;width:120px;height:100vh;z-index:10;color:var(--fog);font-family:"IM Fell English",serif;pointer-events:none;transform:translateY(var(--margin-shift,0px))}.circuit{position:absolute;left:0;top:6vh;width:120px;height:88vh;overflow:visible}.circuit path,.circuit circle{fill:none;stroke:var(--patina);stroke-width:1}.circuit circle{fill:var(--patina)}.circuit-path{stroke-dasharray:1800;stroke-dashoffset:var(--dash,1800)}.margin-step{position:absolute;left:34px;display:grid;gap:.1rem}.margin-step span{width:34px;height:34px;border:1px solid var(--patina);border-radius:50%;display:grid;place-items:center;color:var(--silver)}.margin-step small{font-size:clamp(.7rem,.9vw,.85rem);color:var(--fog)}.step-one{top:13vh}.step-two{top:31vh}.step-three{top:49vh}.step-four{top:67vh}.step-five{top:84vh}.global-bubbles{position:fixed;inset:0;pointer-events:none;z-index:2;overflow:hidden}.orb,.bubble-cluster span{position:absolute;border-radius:50%;display:grid;place-items:center;color:rgba(74,101,128,.3);background:radial-gradient(circle at 35% 35%,rgba(201,184,150,.12),rgba(10,22,40,.6));border:1px solid rgba(143,167,196,.15);backdrop-filter:blur(2px);font-family:"Cormorant Garamond",serif}.orb{bottom:-18vh;width:clamp(40px,6vw,120px);height:clamp(40px,6vw,120px);animation:float linear infinite}.orb-a{left:16%;animation-duration:24s}.orb-b{left:42%;animation-duration:35s;animation-delay:.5s}.orb-c{left:70%;animation-duration:28s;animation-delay:1s}.orb-d{left:84%;animation-duration:40s;animation-delay:1.5s}.orb-e{left:7%;animation-duration:32s;animation-delay:2s}.folio{min-height:100vh;padding:clamp(80px,12vh,160px) clamp(20px,5vw,80px) clamp(80px,12vh,160px) max(140px,8vw);background:linear-gradient(90deg,#0a1628 0%,#122240 4%,transparent 4.5%),var(--ink);position:relative}.folio:nth-of-type(odd){background:linear-gradient(90deg,#0a1628 0%,#122240 4%,transparent 4.5%),var(--study)}.spread{max-width:1100px;margin:0 auto;display:grid;grid-template-columns:repeat(12,1fr);gap:var(--gutter)}.wide{grid-column:1/span 8}.narrow{grid-column:1/span 4}.verso-grid{align-items:center}.verso-grid .bubble-cluster{grid-column:7/span 5;min-height:600px;position:relative}.main-text h2,.cartography h2{font-family:"Libre Baskerville",serif;font-weight:700;font-size:clamp(1.4rem,3vw,2.4rem);letter-spacing:.04em;text-transform:uppercase;color:var(--silver);margin-bottom:2rem}.main-text p{color:var(--body)}blockquote{font-family:"Cormorant Garamond",serif;font-style:italic;font-size:1.8rem;line-height:1.25;color:var(--gold);border-left:2px solid var(--patina);padding-left:1.4rem;margin:2rem 0 2.3rem 2rem}.folio-marker{height:60px;display:flex;align-items:center;margin-bottom:2rem;color:var(--gold);opacity:.8}.folio-marker:before,.folio-marker:after{content:"";height:1px;background:var(--patina);flex:1}.folio-marker span{padding:0 1rem;font-family:"IM Fell English",serif;font-size:1.5rem}.inline-mark{display:none;font-family:"IM Fell English",serif;color:var(--fog);margin-bottom:1rem}.bubble-cluster span{width:var(--s);height:var(--s);animation:slowBob 12s ease-in-out infinite}.bubble-cluster span:nth-child(1){--s:145px;left:10%;top:15%}.bubble-cluster span:nth-child(2){--s:110px;left:48%;top:4%;animation-delay:1s}.bubble-cluster span:nth-child(3){--s:88px;left:68%;top:38%;animation-delay:2s}.bubble-cluster span:nth-child(4){--s:150px;left:20%;top:55%;animation-delay:3s}.bubble-cluster span:nth-child(5){--s:80px;left:56%;top:72%;animation-delay:4s}.bubble-cluster span:nth-child(6){--s:120px;left:0;top:38%;animation-delay:2.5s}.bubble-cluster span:nth-child(7){--s:96px;left:78%;top:13%;animation-delay:1.6s}.columns{column-count:3;column-gap:var(--gutter);margin-bottom:2rem}.specimen-strip{display:flex;gap:18px;overflow-x:auto;padding:1rem 0 1.4rem}.card{flex:0 0 200px;height:280px;background:var(--study);border:1px solid var(--patina);padding:1.2rem;color:var(--body)}.card b{display:block;font-family:"Cormorant Garamond",serif;font-size:3rem;color:var(--gold);font-weight:600}.card h3{font-family:"IM Fell English",serif;color:var(--silver);font-weight:400;margin:.3rem 0 1rem}.card p{font-size:.8rem;line-height:1.55}.cartography{min-height:100vh;background:var(--study);padding:clamp(80px,10vh,130px) clamp(20px,5vw,80px) clamp(80px,10vh,130px) max(140px,8vw);position:relative;overflow:hidden}.cartography-copy{max-width:780px;margin:0 auto 2rem}.cartography-copy p{max-width:680px}.arcane-map{display:block;width:min(80vw,1100px);height:auto;margin:0 auto;fill:none;stroke:var(--patina);stroke-width:2}.arcane-map circle{stroke:rgba(143,167,196,.45)}.map-path,.arcane-map circle{stroke-dasharray:1;stroke-dashoffset:1}.cartography.draw .map-path,.cartography.draw circle{animation:drawMap 2.6s ease forwards}.colophon{min-height:60vh;display:grid;place-items:center;align-content:center;gap:1.5rem;text-align:center;background:var(--ink);padding-left:max(120px,8vw)}.closing-domain{font-family:"Cormorant Garamond",serif;font-size:2rem;color:var(--fog);margin:0}.closing-emblem{width:90px;fill:none;stroke:var(--patina);stroke-width:1.2}.reveal{opacity:0;transform:translateY(20px);transition:opacity .6s ease-out,transform .6s ease-out}.reveal.visible{opacity:1;transform:translateY(0)}.compass{position:fixed;right:28px;bottom:28px;width:64px;height:64px;border-radius:50%;border:1px solid var(--patina);background:rgba(10,22,40,.86);color:var(--gold);z-index:40;opacity:0;transform:translateY(10px);transition:all .3s ease;cursor:pointer}.compass.ready{opacity:1;transform:translateY(0)}.compass:hover,.compass.open{border-color:var(--amber);color:var(--amber)}.compass svg{width:44px;fill:none;stroke:currentColor}.radial-menu{position:fixed;right:60px;bottom:60px;width:220px;height:220px;border-radius:50%;z-index:35;pointer-events:none;opacity:0;transition:opacity .3s ease}.radial-menu.open{opacity:1;pointer-events:auto}.radial-menu a{position:absolute;width:70px;height:70px;border-radius:50%;border:1px solid var(--patina);background:rgba(18,34,64,.94);display:grid;place-items:center;text-align:center;text-decoration:none;color:var(--silver);font-family:"IM Fell English",serif;line-height:1;transition:all .3s ease}.radial-menu a:hover{color:var(--amber);border-color:var(--amber)}.radial-menu small{font-size:.65rem;color:var(--fog)}.radial-menu a:nth-child(1){left:75px;top:-6px}.radial-menu a:nth-child(2){left:145px;top:50px}.radial-menu a:nth-child(3){left:118px;top:136px}.radial-menu a:nth-child(4){left:30px;top:136px}.radial-menu a:nth-child(5){left:0;top:50px}@keyframes rotateStars{to{transform:rotate(3.6deg)}}@keyframes sigilPulse{50%{opacity:.65;transform:scale(1.03)}}@keyframes float{to{transform:translateY(-125vh);opacity:.05}}@keyframes slowBob{50%{transform:translateY(-34px)}}@keyframes drawMap{to{stroke-dashoffset:0}}@media (max-width:768px){.marginalia{display:none}.inline-mark{display:block}.folio,.cartography,.colophon{padding-left:20px;padding-right:20px}.spread{display:block}.wide,.narrow{grid-column:auto}.columns{column-count:1}.verso-grid .bubble-cluster{min-height:420px}.hero h1{font-size:clamp(3rem,15vw,5rem)}.compass{display:none}.radial-menu{opacity:1;pointer-events:auto;right:0;bottom:0;width:100%;height:58px;border-radius:0;display:flex;background:rgba(10,22,40,.94)}.radial-menu a{position:static;flex:1;height:58px;width:auto;border-radius:0;border-width:1px 0 0 1px;background:transparent}.radial-menu small{display:none}}