:root{--ink:#141311;--paper:#eae4d8;--ash:#aaa397;--black:#080808;--line:rgba(20,19,17,.25);--serif:Georgia,'Times New Roman',serif;--sans:-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--serif);font-size:18px;line-height:1.7}a{color:inherit}.skip-link{position:absolute;left:-9999px}.skip-link:focus{left:1rem;top:1rem;background:#fff;color:#000;padding:.5rem 1rem;z-index:999}.site-header{position:fixed;top:0;left:0;right:0;z-index:50;color:#eee;mix-blend-mode:difference}.site-header__inner{display:flex;align-items:center;justify-content:space-between;padding:1.1rem 3vw;font-family:var(--sans);font-size:.72rem;letter-spacing:.16em}.wordmark{text-decoration:none}.menu{display:flex;list-style:none;gap:1.5rem;margin:0;padding:0}.menu a,.primary-nav a{text-decoration:none}.nav-toggle{display:none;background:none;border:0;color:inherit;text-transform:uppercase;letter-spacing:.15em}.panel{min-height:100vh;display:flex;align-items:center;position:relative;overflow:hidden;padding:8rem 5vw}.panel--dark{background:var(--black);color:#ece7dc}.panel--paper{background:var(--paper);color:var(--ink)}.content{position:relative;z-index:3;margin:0 auto;width:100%}.narrow{max-width:780px}.wide{max-width:1180px}.center{text-align:center}.eyebrow{font-family:var(--sans);text-transform:uppercase;letter-spacing:.22em;font-size:.68rem}.hero{justify-content:center;text-align:center;flex-direction:column}.hero h1{font-size:clamp(2rem,5vw,5rem);font-weight:400;line-height:1.08;max-width:1200px;margin:1rem auto}.sigil{width:108px;height:108px;border:1px solid currentColor;transform:rotate(45deg);display:grid;place-items:center;margin-bottom:2rem;opacity:.9}.sigil span{transform:rotate(-45deg);font-family:var(--sans);letter-spacing:.1em}.scroll-mark{position:absolute;bottom:0;width:1px;height:13vh;background:currentColor;opacity:.35}.narrative h2,.panel h2,.page-content h1{font-size:clamp(2.5rem,6vw,6rem);font-weight:400;line-height:1.02;margin:.4em 0}.narrative p{max-width:680px}.artifact-panel{background:#cfc7b8;color:var(--ink)}.artifact-visual{position:absolute;inset:0;opacity:.45}.paper{position:absolute;width:38vw;height:56vh;background:#eee8db;border:1px solid rgba(0,0,0,.2);box-shadow:0 30px 80px rgba(0,0,0,.18)}.paper-a{left:6vw;top:20vh;transform:rotate(-7deg)}.paper-b{left:20vw;top:13vh;transform:rotate(8deg)}.token{position:absolute;right:12vw;bottom:17vh;width:130px;height:130px;border-radius:50%;background:#332f29;color:#ddd6c8;display:grid;place-items:center;font-family:var(--sans);letter-spacing:.2em;box-shadow:0 20px 40px rgba(0,0,0,.35)}.split-copy{max-width:650px;margin-left:auto;margin-right:8vw}.commands{font-family:var(--sans);text-transform:uppercase;letter-spacing:.12em;font-size:.82rem}.city-panel{background:linear-gradient(rgba(234,228,216,.92),rgba(234,228,216,.92)),linear-gradient(135deg,#999,#ddd)}.city-grid{position:absolute;inset:0;display:grid;grid-template-columns:repeat(4,1fr);opacity:.15}.city-grid span{border-right:1px solid var(--ink);transform:skew(-12deg)}.promise-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:3rem 5rem}.promise-grid h3{font-size:clamp(2.2rem,4vw,4.5rem);font-weight:400;margin:0}.promise blockquote{font-size:clamp(2.4rem,5vw,5rem);line-height:1.05;margin:6rem 0 0;border-top:1px solid var(--line);padding-top:2rem}.portal-panel{background:#b6b0a4}.portal-window{position:absolute;right:8vw;width:min(42vw,560px);aspect-ratio:16/10;background:#090909;display:grid;place-items:center;box-shadow:0 30px 90px rgba(0,0,0,.25)}.portal-sigil{color:#d9d2c6;border:1px solid #d9d2c6;width:70px;height:70px;display:grid;place-items:center;transform:rotate(45deg);font-family:var(--sans)}.finale .city-title{font-family:var(--sans);letter-spacing:.35em;font-size:clamp(2rem,5vw,4.5rem)}.button{display:inline-block;border:1px solid currentColor;text-decoration:none;padding:1rem 1.7rem;font-family:var(--sans);font-size:.72rem;letter-spacing:.2em;margin:2rem .5rem 1rem}.text-link{display:block;font-size:.85rem;opacity:.7}.site-footer{background:#080808;color:#bdb7ab;padding:4rem 5vw;font-family:var(--sans);font-size:.72rem;letter-spacing:.12em;text-transform:uppercase}.site-footer__inner{max-width:1180px;margin:auto;display:flex;justify-content:space-between;gap:2rem}.site-footer nav{display:flex;gap:1rem}.site-footer a{text-decoration:none}.page-shell{min-height:100vh;padding:10rem 5vw 7rem}.page-content{max-width:780px}.entry-content h2{font-size:2rem;font-weight:400;margin-top:2.4em}.entry-content a{text-underline-offset:.2em}.reveal{opacity:0;transform:translateY(24px);transition:opacity .8s ease,transform .8s ease}.reveal.is-visible{opacity:1;transform:none}
@media(max-width:760px){body{font-size:17px}.site-header__inner{padding:1rem 1.2rem}.nav-toggle{display:block}.primary-nav{display:none;position:absolute;top:100%;right:1rem;background:#0c0c0c;color:#eee;padding:1rem}.primary-nav.is-open{display:block}.menu{flex-direction:column;gap:.75rem}.panel{padding:7rem 1.4rem}.promise-grid{grid-template-columns:1fr}.portal-window{position:relative;right:auto;width:100%;margin-bottom:3rem}.portal-panel{display:block}.split-copy{margin:0}.paper{width:70vw}.site-footer__inner,.site-footer nav{flex-direction:column}.hero h1{font-size:2.6rem}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.reveal{opacity:1;transform:none;transition:none}}
/* v0.2 refinements */
.hero{padding-top:5rem}.hero h1{max-width:1050px;font-size:clamp(2.2rem,4.7vw,4.7rem)}.hero h1 span{display:block;margin-top:.12em}.brand-mark{position:relative;width:96px;height:96px;margin:0 0 2rem;border:1px solid rgba(236,231,220,.55);transform:rotate(45deg);display:grid;place-items:center}.brand-mark__s,.brand-mark__i{position:absolute;transform:rotate(-45deg);font-family:var(--sans);font-size:1rem;letter-spacing:.08em}.brand-mark__s{margin-left:-10px;margin-top:-4px}.brand-mark__i{margin-left:12px;margin-top:7px;opacity:.72}.artifact-panel{background:linear-gradient(120deg,#c8c0b2,#ddd6c9)}.city-panel{background:linear-gradient(rgba(234,228,216,.9),rgba(234,228,216,.96)),radial-gradient(circle at 70% 30%,#b7afa1,#eae4d8 60%)}.city-panel:after{content:"I";position:absolute;right:7vw;bottom:-.25em;font-size:min(45vw,38rem);line-height:1;color:rgba(20,19,17,.035)}.secrets-panel{isolation:isolate}.secrets-panel:after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 75% 50%,rgba(234,228,216,.08),transparent 32%);z-index:-1}.secrets-lines{position:absolute;inset:10% -10%;background:repeating-linear-gradient(115deg,transparent 0 12vw,rgba(234,228,216,.045) 12vw calc(12vw + 1px));transform:rotate(-3deg)}.quiet{margin-top:3rem;font-size:1.15em;letter-spacing:.04em}.portal-panel{background:linear-gradient(120deg,#aaa398,#c8c1b4)}.finale{min-height:110vh}.finale-note{font-style:italic;opacity:.68;margin-top:2rem}.site-header{transition:background .3s ease}.site-header__inner{max-width:1500px;margin:auto}.wordmark{font-weight:500}.button{transition:background .25s,color .25s}.button:hover{background:#ece7dc;color:#080808}.text-link{text-underline-offset:.25em}
@media(max-width:760px){.hero{padding-top:5.5rem}.hero h1{font-size:clamp(2.25rem,11vw,3.25rem)}.brand-mark{width:76px;height:76px;margin-bottom:1.5rem}.city-panel:after{font-size:75vw}.finale{min-height:100vh}.commands{line-height:2.2}}

/* v0.3 — visual mockup layers */
.image-layer { pointer-events:none; user-select:none; }
.artifact-panel { overflow:hidden; }
.artifact-visual { opacity:.82; filter:grayscale(1) contrast(.95); }
.artifact-visual .paper {
  box-shadow: 0 30px 60px rgba(0,0,0,.22);
  background:
    linear-gradient(rgba(0,0,0,.025) 1px, transparent 1px),
    #e7dfd0;
  background-size:100% 7px;
}
.artifact-visual .paper-a span {
  position:absolute; left:12%; top:14%; font: 500 12px/1.5 Georgia,serif;
  letter-spacing:.28em; color:#171512;
}
.artifact-visual .paper-b i {
  display:block; width:58%; height:1px; background:rgba(20,18,15,.28);
  margin:16px 0 0 18%;
}
.artifact-visual .paper-b i:first-child { margin-top:28%; }
.artifact-visual .token { box-shadow:0 16px 35px rgba(0,0,0,.3); }

.city-panel { position:relative; overflow:hidden; }
.image-layer--map {
  position:absolute; right:4vw; bottom:5vh; width:min(37vw,520px); height:min(48vh,430px);
  opacity:.13; transform:rotate(-4deg);
}
.mock-map {
  position:absolute; inset:0; border:1px solid currentColor;
  background:
    linear-gradient(31deg, transparent 48%, currentColor 49%, currentColor 49.3%, transparent 50%),
    linear-gradient(116deg, transparent 46%, currentColor 47%, currentColor 47.3%, transparent 48%);
}
.mock-map:before,.mock-map:after {
  content:""; position:absolute; border:1px solid currentColor; opacity:.7;
}
.mock-map:before { inset:12% 9% 18% 18%; transform:rotate(8deg); }
.mock-map:after { left:8%; right:8%; top:52%; }
.mock-map span { position:absolute; left:12%; top:11%; font-size:11px; letter-spacing:.35em; }
.mock-map i,.mock-map b { position:absolute; width:8px; height:8px; border:1px solid currentColor; transform:rotate(45deg); }
.mock-map i { left:31%; top:42%; } .mock-map b { right:24%; bottom:27%; }

.portal-panel { padding:0; min-height:100vh; display:grid; place-items:center; overflow:hidden; }
.portal-layout {
  width:min(1180px,90vw); display:grid; grid-template-columns:minmax(0,1.1fr) minmax(320px,.9fr);
  gap:clamp(50px,8vw,120px); align-items:center;
}
.portal-layout .content { width:auto; max-width:680px; margin:0; }
.portal-window {
  position:relative; width:100%; aspect-ratio:1.25/1; background:#080808; color:#eee8dc;
  display:grid; place-items:center; box-shadow:0 30px 80px rgba(0,0,0,.22);
  overflow:hidden;
}
.screen-noise {
  position:absolute; inset:0; opacity:.12;
  background:repeating-linear-gradient(0deg,transparent 0 5px,rgba(255,255,255,.12) 6px);
}
.screen-caption { position:absolute; bottom:8%; font-size:9px; letter-spacing:.35em; opacity:.42; }
.portal-sigil { z-index:1; }

@media (max-width: 800px) {
  .portal-layout { grid-template-columns:1fr; gap:36px; padding:90px 0; }
  .portal-window { width:min(100%,520px); justify-self:center; }
  .image-layer--map { width:68vw; height:38vh; right:-15vw; opacity:.09; }
}

/* v0.4 — echte historische voorbeeldbeelden (CC0 / publiek domein, Rijksmuseum via Wikimedia Commons) */
.city-panel--photo, .secrets-panel--photo { position:relative; isolation:isolate; overflow:hidden; }
.historical-photo { position:absolute; z-index:-1; background-size:cover; background-position:center; filter:grayscale(1) sepia(.18) contrast(1.05); }
.historical-photo--city {
  inset:0 0 0 47%;
  background-image:
    linear-gradient(90deg, #eee7da 0%, rgba(238,231,218,.88) 15%, rgba(238,231,218,.18) 62%, rgba(238,231,218,.04) 100%),
    url("https://commons.wikimedia.org/wiki/Special:Redirect/file/Gezicht_op_de_Nieuwehaven_in_Rotterdam%2C_RP-F-F01060-C.jpg?width=1600");
  opacity:.58;
}
.city-panel--photo:after {
  content:""; position:absolute; inset:0; z-index:-1;
  background:linear-gradient(90deg, rgba(238,231,218,1) 0 37%, rgba(238,231,218,.82) 55%, rgba(238,231,218,.12) 100%);
}
.historical-photo--harbor {
  inset:0 0 0 42%;
  background-image:
    linear-gradient(90deg,#080808 0%,rgba(8,8,8,.75) 25%,rgba(8,8,8,.08) 100%),
    url("https://commons.wikimedia.org/wiki/Special:Redirect/file/Gezicht_op_Entrepotgebouw_%27De_Vijf_Werelddelen%27_en_de_Entrepothaven%2C_RP-F-F00971-3.jpg?width=1600");
  opacity:.30;
}
.secrets-panel--photo:after {
  content:""; position:absolute; inset:0; z-index:-1;
  background:linear-gradient(90deg,#080808 0 38%,rgba(8,8,8,.88) 56%,rgba(8,8,8,.2) 100%);
}
.city-panel--photo .content,.secrets-panel--photo .content { position:relative; z-index:2; }
@media(max-width:800px){
 .historical-photo--city,.historical-photo--harbor{inset:42% 0 0 15%; opacity:.24}
 .city-panel--photo:after{background:linear-gradient(180deg,#eee7da 0 48%,rgba(238,231,218,.76) 70%,rgba(238,231,218,.3))}
 .secrets-panel--photo:after{background:linear-gradient(180deg,#080808 0 52%,rgba(8,8,8,.78) 76%,rgba(8,8,8,.25))}
}