/* Æthelstan, primul rege al Angliei — site styles
   Themes are chosen by data-theme on <html>; CSS variables only. */
:root{
  --paper:#f6f1e6;
  --paper-2:#efe9da;
  --card:#fdfaf1;
  --ink:#241e14;
  --ink-2:#5b5040;
  --ink-3:#857a68;
  --gold:#8a5a13;
  --gold-strong:#7a4e0f;
  --teal:#22505e;
  --red:#7a2e1d;
  --line:#d9cfba;
  --focus:#22505e;
  --on-accent:#fdfaf1;
  --shadow:0 18px 50px rgba(36,30,20,.16);
  --radius:14px;
}
html[data-theme="dark"]{
  --paper:#151210;
  --paper-2:#1c1815;
  --card:#1e1a16;
  --ink:#ece4d2;
  --ink-2:#b3a68d;
  --ink-3:#8f8570;
  --gold:#d9a950;
  --gold-strong:#e5b95e;
  --teal:#8db8c6;
  --red:#d0785a;
  --line:#332d25;
  --focus:#d9a950;
  --on-accent:#20180c;
  --shadow:0 18px 50px rgba(0,0,0,.55);
}
@media (prefers-color-scheme: dark){
  html:not([data-theme]){
    --paper:#151210;
    --paper-2:#1c1815;
    --card:#1e1a16;
    --ink:#ece4d2;
    --ink-2:#b3a68d;
    --ink-3:#8f8570;
    --gold:#d9a950;
    --gold-strong:#e5b95e;
    --teal:#8db8c6;
    --red:#d0785a;
    --line:#332d25;
    --focus:#d9a950;
    --on-accent:#20180c;
    --shadow:0 18px 50px rgba(0,0,0,.55);
  }
}
html{ -webkit-text-size-adjust:100%; }
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"Iowan Old Style","Palatino Linotype",Palatino,Georgia,"Times New Roman",serif;
  font-size:19px; line-height:1.62;
  scroll-behavior:smooth;
}
@media (prefers-reduced-motion: reduce){ body{ scroll-behavior:auto; } }
[hidden]{ display:none !important; }
img{ max-width:100%; height:auto; }
a{ color:var(--teal); text-decoration-thickness:1.5px; text-underline-offset:2px; }
a:hover{ color:var(--gold-strong); }
:focus-visible{ outline:3px solid var(--focus); outline-offset:2px; border-radius:2px; }

/* ---------- top bar ---------- */
.topbar{
  position:sticky; top:0; z-index:60;
  display:flex; align-items:center; gap:.6rem;
  padding:.45rem .9rem;
  background:color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter:blur(10px); -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  font-family:ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size:.78rem; letter-spacing:.02em;
}
.topbar .brand{
  font-family:"Iowan Old Style",Palatino,Georgia,serif;
  font-weight:700; font-size:.86rem; letter-spacing:.12em; text-transform:uppercase;
  color:var(--ink); text-decoration:none; white-space:nowrap;
}
.topbar .spacer{ flex:1; }
.lang-switch{ display:flex; gap:.35rem; }
.lang-switch a, .icon-btn{
  border:1px solid var(--line); border-radius:999px;
  background:var(--card); color:var(--ink);
  padding:.38rem .72rem; font:600 .75rem/1 ui-sans-serif, system-ui, sans-serif;
  text-decoration:none; cursor:pointer; min-height:40px; display:inline-flex; align-items:center; gap:.4rem;
}
.icon-btn{ min-width:44px; justify-content:center; }
.lang-switch a[aria-current="true"]{ background:var(--gold); border-color:var(--gold); color:var(--on-accent); }
.lang-switch a:hover, .icon-btn:hover{ border-color:var(--gold); color:var(--gold-strong); }
.theme-toggle .sun, .theme-toggle .moon{ width:17px; height:17px; }

/* ---------- hero ---------- */
.hero{
  position:relative; min-height:92svh;
  display:flex; flex-direction:column; justify-content:flex-end;
  overflow:hidden; background:#070809;
}
.hero canvas.scene{ position:absolute; inset:0; width:100%; height:100%; display:block; }
.hero-inner{
  position:relative; z-index:2;
  padding:clamp(1.2rem,4vw,3rem) clamp(1rem,5vw,4rem) clamp(2rem,6vh,4rem);
  background:linear-gradient(180deg, transparent 0%, rgba(5,6,8,.55) 42%, rgba(5,6,8,.82) 100%);
  color:#f3ead9;
}
.kicker{
  font:600 .72rem/1.3 ui-sans-serif, system-ui, sans-serif;
  letter-spacing:.22em; text-transform:uppercase; color:#e2c07a; margin:0 0 .9rem;
}
h1{
  font-size:clamp(2.35rem,8.6vw,4.6rem); line-height:1.04; letter-spacing:-.01em;
  margin:0 0 1.1rem; max-width:14ch; font-weight:700; color:#f6ecd9;
  text-shadow:0 2px 22px rgba(0,0,0,.75);
}
.deck{ font-size:clamp(1.05rem,2.4vw,1.38rem); line-height:1.42; max-width:56ch; color:#eadfc9; text-shadow:0 1px 14px rgba(0,0,0,.7); margin:0 0 1.4rem; }
.hero-meta{ display:flex; flex-wrap:wrap; gap:.55rem; margin-bottom:1.4rem; }
.chip{
  font:600 .7rem/1.25 ui-sans-serif, system-ui, sans-serif; letter-spacing:.06em;
  padding:.42rem .8rem; border-radius:999px; border:1px solid rgba(246,236,217,.34);
  color:#f3ead9; background:rgba(20,18,16,.45); backdrop-filter:blur(3px);
}
.scroll-cue{
  display:inline-flex; align-items:center; gap:.6rem; align-self:flex-start;
  border:1px solid #e2c07a; color:#f6ecd9; background:transparent;
  border-radius:999px; padding:.7rem 1.5rem; cursor:pointer;
  font:600 .8rem/1 ui-sans-serif, system-ui, sans-serif; letter-spacing:.18em; text-transform:uppercase;
}
.scroll-cue:hover{ background:#e2c07a; color:#241a08; }
@media (max-height:740px){ .hero{ min-height:88svh; } }

/* ---------- layout helpers ---------- */
.wrap{ width:min(1120px, 100% - 2.2rem); margin-inline:auto; }
.prose{ width:min(760px, 100%); margin-inline:auto; }
section.chapter{ padding:clamp(2.4rem,6vw,4.6rem) 0 clamp(1.5rem,4vw,3rem); border-top:1px solid var(--line); }
.chapter-grid{ display:grid; grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr); gap:clamp(1.2rem,4vw,3rem); align-items:start; }
@media (max-width:900px){ .chapter-grid{ grid-template-columns:1fr; } }
.eyebrow{
  font:600 .68rem/1.4 ui-sans-serif, system-ui, sans-serif; letter-spacing:.2em;
  text-transform:uppercase; color:var(--gold); margin:0 0 .8rem; display:flex; align-items:center; gap:.6rem;
}
.eyebrow .no{ color:var(--ink-3); font-weight:500; letter-spacing:.1em; }
h2{ font-size:clamp(1.7rem,4.6vw,2.7rem); line-height:1.12; margin:0 0 1.1rem; letter-spacing:-.015em; font-weight:700; }
h3{ font-size:clamp(1.15rem,2.4vw,1.42rem); line-height:1.3; margin:1.6rem 0 .6rem; font-weight:700; }
p{ margin:0 0 1.05rem; }
.lede{ font-size:1.12em; color:var(--ink); }
.muted{ color:var(--ink-2); }
.small{ font-size:.85rem; color:var(--ink-2); line-height:1.55; }
sup.fn{ font-family:ui-sans-serif, system-ui, sans-serif; font-size:.68em; }
sup.fn a{ text-decoration:none; }
.kicker-quote{
  margin:1.6rem 0; padding:1rem 1.2rem; border-left:4px solid var(--gold);
  background:var(--card); border-radius:0 var(--radius) var(--radius) 0; font-style:italic;
}
.kicker-quote cite{ display:block; font-style:normal; font-size:.8em; color:var(--ink-2); margin-top:.5rem; font-family:ui-sans-serif, system-ui, sans-serif; }
.note-card{ background:var(--card); border:1px solid var(--line); border-radius:var(--radius); padding:1rem 1.15rem; margin:1.1rem 0; }
.fig-tag{ font:600 .66rem/1.3 ui-sans-serif, system-ui, sans-serif; letter-spacing:.16em; text-transform:uppercase; color:var(--teal); margin:0 0 .35rem; }

/* ---------- map stage ---------- */
.map-stage{
  position:sticky; top:64px; border-radius:var(--radius); overflow:hidden;
  border:1px solid var(--line); background:#0a0f14; box-shadow:var(--shadow);
}
@media (max-width:900px){ .map-stage{ position:relative; top:auto; } }
.map-stage canvas{ display:block; width:100%; height:auto; aspect-ratio:8/9.6; }
.map-caption{
  display:flex; flex-wrap:wrap; gap:.5rem; justify-content:center; padding:.5rem .6rem .65rem;
  background:#0a0f14; border-top:1px solid #22303a;
}
.map-phase{
  font:600 .7rem/1 ui-sans-serif, system-ui, sans-serif; letter-spacing:.04em; color:#cfe3ea;
  border:1px solid #2c3d46; background:#131d24; border-radius:999px; padding:.5rem .75rem; cursor:pointer; min-height:40px;
}
.map-phase[aria-pressed="true"]{ background:#e2c07a; border-color:#e2c07a; color:#241a08; }
.map-note{ padding:.55rem .7rem .7rem; background:#0a0f14; border-top:1px solid #22303a; color:#9fb4bd; font: .66rem/1.45 ui-sans-serif, system-ui, sans-serif; }

/* ---------- poem lectern ---------- */
.lectern{ background:#0d0d0f; color:#ead9b8; border-radius:var(--radius); padding:clamp(1rem,3vw,1.6rem); border:1px solid #322c22; }
.lectern-head{ display:flex; flex-wrap:wrap; align-items:center; gap:.5rem; margin-bottom:.8rem; }
.gloss-switch{ display:flex; border:1px solid #3a3328; border-radius:999px; overflow:hidden; }
.gloss-switch button{
  background:transparent; color:#cbb27e; border:0; padding:.5rem .8rem; cursor:pointer;
  font:600 .72rem/1 ui-sans-serif, system-ui, sans-serif; letter-spacing:.08em; min-height:40px;
}
.gloss-switch button[aria-pressed="true"]{ background:#cbb27e; color:#1d1712; }
.poem{ list-style:none; margin:0; padding:0; columns:1; }
.poem li{
  display:grid; grid-template-columns:2.2rem 1fr; gap:.6rem; padding:.42rem .1rem;
  border-bottom:1px dashed #26211a; break-inside:avoid;
}
.poem .ln{ font: .62rem/2.1 ui-sans-serif, system-ui, sans-serif; color:#7a6c4d; text-align:right; padding-top:.42rem; }
.poem .oe{ font-size:1.02rem; line-height:1.58; color:#f0e3c1; }
.poem .gl{ margin-top:.25rem; font-size:.86rem; line-height:1.5; color:#b7ab8e; font-family:ui-sans-serif, system-ui, sans-serif; }
.poem[data-gloss="off"] .gl{ display:none; }
.poem-toggle{
  background:transparent; color:#e2c07a; border:1px solid #6b5b33; border-radius:999px;
  padding:.6rem 1.3rem; cursor:pointer; font:600 .75rem/1 ui-sans-serif, system-ui, sans-serif; letter-spacing:.06em; margin-top:.9rem; min-height:44px;
}
.poem-toggle:hover{ background:#e2c07a; color:#1d1712; }
.poem-credit{ color:#8e8262; font: .7rem/1.5 ui-sans-serif, system-ui, sans-serif; margin-top:.8rem; }

/* ---------- gallery ---------- */
.gallery{ position:relative; overflow-x:auto; display:flex; gap:.9rem; scroll-snap-type:x mandatory; padding:.2rem .1rem .8rem; }
.gallery figure{ flex:0 0 82%; max-width:430px; scroll-snap-align:start; margin:0; }
@media(min-width:900px){ .gallery figure{ flex-basis:46%; } }
.gallery img{ border-radius:var(--radius); border:1px solid var(--line); background:#eadfc9; aspect-ratio:4/3.4; object-fit:contain; width:100%; }
.gallery figcaption{ font: .74rem/1.5 ui-sans-serif, system-ui, sans-serif; color:var(--ink-2); margin-top:.5rem; }

/* ---------- timeline chips ---------- */
.chron{ list-style:none; padding:0; margin:1rem 0 0; display:flex; flex-direction:column; gap:0; }
.chron li{ display:grid; grid-template-columns:auto 1fr; gap:.8rem; padding:.35rem 0; border-bottom:1px solid var(--line); }
.chron li:last-child{ border-bottom:0; }
.chron .y{ font:700 .8rem/1.8 ui-sans-serif, system-ui, sans-serif; color:var(--gold); min-width:5.2rem; }
.chron .t{ font-size:.92rem; color:var(--ink); line-height:1.5; }
.chron .t small{ color:var(--ink-2); }

/* ---------- rails / sources ---------- */
.progress{ position:fixed; top:0; left:0; height:3px; width:0%; background:var(--gold); z-index:70; transition:width .2s linear; }
@media (prefers-reduced-motion: reduce){ .progress{ transition:none; } }
.rail{ position:fixed; right:14px; top:50%; transform:translateY(-50%); z-index:55; display:flex; flex-direction:column; gap:.55rem; }
@media (max-width:1100px){ .rail{ display:none; } }
.rail a{
  width:11px; height:11px; border-radius:999px; background:var(--line); border:1px solid transparent;
  text-decoration:none; position:relative;
}
.rail a:hover, .rail a[aria-current="true"]{ background:var(--gold); border-color:var(--gold-strong); }
.rail a span{
  position:absolute; right:18px; top:50%; transform:translateY(-50%);
  background:var(--card); border:1px solid var(--line); color:var(--ink); border-radius:8px;
  padding:.28rem .5rem; font:600 .68rem/1.3 ui-sans-serif, system-ui, sans-serif; white-space:nowrap; opacity:0; pointer-events:none; transition:opacity .15s;
}
.rail a:hover span, .rail a:focus-visible span{ opacity:1; }
.sources{ width:min(760px,100%); margin:1.5rem auto 0; border-top:1px solid var(--line); padding-top:1.2rem; }
.sources ol{ font-size:.84rem; color:var(--ink-2); line-height:1.65; padding-left:1.3rem; }
.sources li{ margin-bottom:.32rem; }
.footer{ border-top:1px solid var(--line); padding:1.6rem 0 2.2rem; font-size:.78rem; color:var(--ink-2); font-family:ui-sans-serif, system-ui, sans-serif; }
.footer .wrap{ display:flex; flex-wrap:wrap; gap:1rem; justify-content:space-between; }
.footer a{ color:var(--teal); }
.share-row{ display:flex; flex-wrap:wrap; gap:.5rem; margin:1.4rem 0 0; }
.share-row a, .share-row button{
  border:1px solid var(--line); background:var(--card); color:var(--ink); text-decoration:none;
  border-radius:999px; padding:.5rem .85rem; font:600 .72rem/1 ui-sans-serif, system-ui, sans-serif; cursor:pointer; min-height:40px; display:inline-flex; align-items:center;
}
.share-row a:hover, .share-row button:hover{ border-color:var(--gold); color:var(--gold-strong); }

/* big Latin line */
.latin{
  font-size:clamp(1.05rem,2.6vw,1.3rem); font-style:italic; color:var(--ink);
  background:var(--paper-2); border:1px solid var(--line); border-radius:var(--radius);
  padding:.9rem 1.1rem; margin:1.2rem 0; line-height:1.6; overflow-wrap:anywhere;
}
.latin small{ display:block; font-style:normal; color:var(--ink-2); font-size:.72em; margin-top:.45rem; font-family:ui-sans-serif, system-ui, sans-serif; }

/* back to top */
.to-top{
  position:fixed; right:14px; bottom:16px; z-index:58;
  width:48px; height:48px; border-radius:999px; border:1px solid var(--line);
  background:color-mix(in srgb, var(--card) 88%, transparent); backdrop-filter:blur(8px);
  color:var(--ink); font-size:1.15rem; cursor:pointer; line-height:1;
}
.to-top:hover{ border-color:var(--gold); color:var(--gold-strong); }

/* poem gloss modes */
.poem[data-gloss="ro"] .gl[lang="en"]{ display:none; }
.poem[data-gloss="en"] .gl[lang="ro"]{ display:none; }
.poem[data-gloss="off"] .gl{ display:none; }

/* poem line layout: OE block above the gloss */
.poem .oe{ display:block; }
.poem .gl{ display:block; }