/* ITC Avant Garde Gothic — the Dunes text face, as in the programme. Subset to Latin text. */
@font-face{font-family:'Avant Garde Dunes';src:url('fonts/avantgarde-xlt.woff') format('woff');font-weight:300;font-display:swap}
@font-face{font-family:'Avant Garde Dunes';src:url('fonts/avantgarde-bk.woff') format('woff');font-weight:400;font-display:swap}
@font-face{font-family:'Avant Garde Dunes';src:url('fonts/avantgarde-bkobl.woff') format('woff');font-weight:400;font-style:italic;font-display:swap}
@font-face{font-family:'Avant Garde Dunes';src:url('fonts/avantgarde-md.woff') format('woff');font-weight:500;font-display:swap}
@font-face{font-family:'Avant Garde Dunes';src:url('fonts/avantgarde-demi.woff') format('woff');font-weight:600;font-display:swap}
:root{
  color-scheme:dark;
  --night:#081510;--fir:#10291F;--pine:#214B3B;--lichen:#7F9B8D;--silver:#BEC8CD;--snow:#EDF1EF;
  --sans:'Avant Garde Dunes','Albert Sans',Arial,Helvetica,sans-serif;--serif:'Cormorant Garamond',Georgia,serif;
  --ink:var(--snow);--ink-soft:rgba(237,241,239,.74);
  --gutter:6vw;
}
@view-transition{navigation:auto}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--night);color:var(--ink);font-family:var(--sans);-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit}
::selection{background:var(--lichen);color:var(--night)}
.skip{position:fixed;top:-100px;left:20px;z-index:20;padding:14px;background:var(--snow);color:var(--night)}
.skip:focus{top:12px}

/* The landscape: a generated, continuously moving field behind everything. */
.field{position:fixed;inset:0;width:100%;height:100%;z-index:-2;display:block;background:var(--night)}
.field-shade{position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:linear-gradient(90deg,rgba(0,0,0,.34),rgba(0,0,0,.08) 55%,rgba(0,0,0,0));transition:opacity 1.6s ease}
body.is-light .field-shade{opacity:.15}

.header{position:fixed;z-index:10;top:0;left:0;right:0;display:flex;justify-content:space-between;align-items:center;padding:26px var(--gutter);pointer-events:none}
.header > *{pointer-events:auto}
.wordmark{font-family:'Avant Garde Dunes','Albert Sans',Arial,sans-serif;font-weight:400;font-size:23px;letter-spacing:-.01em;line-height:1;text-decoration:none;transition:color 1.2s ease}
.wordmark span{display:block;font:500 9px var(--sans);text-transform:uppercase;letter-spacing:.3em;opacity:.7;margin-top:9px}
.glass.back{--radius:999px;padding:11px 18px;font-size:13px;letter-spacing:.04em;gap:10px}
.back-mark{transition:transform .6s cubic-bezier(.34,1.56,.64,1)}
.back:hover .back-mark{transform:translateX(-3px)}

/* Movement rail: glass beads; the current movement is lit. */
.rail{position:fixed;z-index:9;right:calc(var(--gutter) * .5);top:50%;transform:translateY(-50%)}
.rail ol{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.rail a{--radius:999px;width:44px;height:44px;justify-content:center;font-family:var(--serif);font-size:15px;opacity:.55;transition:opacity .8s ease,transform .55s cubic-bezier(.34,1.56,.64,1)}
.rail a[aria-current="true"]{opacity:1;--glow:1}
.rail.hidden{opacity:0;pointer-events:none}
.rail{transition:opacity .8s ease}

/* Worlds */
.world{position:relative;padding:0 var(--gutter)}
.intro{min-height:100svh;display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);align-items:end;gap:6vw;padding-top:140px;padding-bottom:12vh}
.meta{display:flex;flex-wrap:wrap;gap:8px 28px;margin:0;font-size:10px;font-weight:500;letter-spacing:.2em;text-transform:uppercase;color:var(--ink-soft)}
h1{font-family:var(--serif);font-weight:500;font-size:clamp(96px,17vw,260px);line-height:.82;letter-spacing:-.035em;margin:26px 0 30px}
.lede{font-size:clamp(19px,1.75vw,25px);line-height:1.45;font-weight:300;letter-spacing:-.012em;max-width:31ch;margin:0 0 38px;color:rgba(237,241,239,.9)}
.journey{list-style:none;margin:0;padding:0;border-top:1px solid rgba(237,241,239,.22)}
.journey a{display:grid;grid-template-columns:40px 1fr;grid-template-rows:auto auto;column-gap:10px;padding:15px 0;border-bottom:1px solid rgba(237,241,239,.22);text-decoration:none;transition:padding .6s cubic-bezier(.34,1.56,.64,1)}
.journey a:hover{padding-left:6px}
.journey .n{grid-row:span 2;font-family:var(--serif);font-size:16px;color:rgba(237,241,239,.62);padding-top:2px}
.journey .t{font-size:17px;letter-spacing:-.01em}
.journey .p{font-size:12px;color:var(--ink-soft);margin-top:3px}

.movement{min-height:var(--span,140vh);display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);grid-template-rows:auto auto 1fr;column-gap:6vw;align-content:start;padding-top:32vh;padding-bottom:22vh}
.movement-copy{grid-row:1 / span 3;position:sticky;top:26vh;align-self:start;max-width:560px}
.numeral{font-family:var(--serif);font-size:22px;margin:0;color:var(--ink-soft)}
h2{font-family:var(--serif);font-weight:500;font-size:clamp(64px,9vw,138px);line-height:.88;letter-spacing:-.03em;margin:14px 0 20px}
.place{font-size:11px;font-weight:500;letter-spacing:.2em;text-transform:uppercase;margin:0 0 26px;color:var(--ink-soft)}
.note{font-size:17px;line-height:1.65;font-weight:300;margin:0 0 34px;max-width:36ch;color:rgba(237,241,239,.9)}
.movement.light{--ink:#0B2331;--ink-soft:rgba(11,35,49,.72)}
.movement.light .note{color:rgba(11,35,49,.88)}
.movement.light .glass{color:#0B2331}
.movement{color:var(--ink)}

/* Photographs sit in glass frames. */
.frame{--radius:22px;display:block;margin:0;padding:10px;max-width:100%}
.frame img{display:block;width:100%;height:auto;border-radius:14px;background:rgba(0,0,0,.25)}
.frame figcaption{font-size:10px;letter-spacing:.14em;text-transform:uppercase;padding:10px 6px 2px;color:var(--ink-soft)}
.movement .frame{grid-column:2;margin-top:4vh}
.movement .frame-offset{width:78%;justify-self:start;margin-top:14vh;margin-left:-8%}

/* Silver and glass play controls. */
.play{width:0;height:0;border-left:9px solid currentColor;border-top:6px solid transparent;border-bottom:6px solid transparent;margin-right:2px}
.silver.watch{padding:16px 26px;font-size:14px}
.glass.btn-glass.watch{font-size:14px;padding:15px 24px}

.credits{min-height:100svh;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.9fr);gap:6vw;align-items:center;padding-top:14vh;padding-bottom:14vh}
.credits h2{font-size:clamp(56px,7vw,104px)}
.credits dl{margin:0 0 40px;border-top:1px solid rgba(237,241,239,.22)}
.credits dl div{padding:16px 0;border-bottom:1px solid rgba(237,241,239,.22)}
.credits dt{font-size:10px;font-weight:500;letter-spacing:.2em;text-transform:uppercase;color:var(--ink-soft);margin-bottom:7px}
.credits dd{margin:0;font-size:18px;letter-spacing:-.01em}
.credits-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}

/* Gentle arrival as each piece of text scrolls into view. */
.reveal{opacity:0;transform:translateY(26px);transition:opacity 1.4s ease,transform 1.6s cubic-bezier(.16,.84,.3,1)}
.reveal.in{opacity:1;transform:none}

/* Video: a glass sheet over the landscape. */
.player{border:0;padding:0;background:transparent;max-width:none;max-height:none;width:min(1120px,94vw);color:var(--snow);overflow:visible}
.player::backdrop{background:rgba(3,8,6,.55);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}
.player[open]{animation:rise .7s cubic-bezier(.16,.84,.3,1)}
@keyframes rise{from{opacity:0;transform:translateY(24px) scale(.985)}to{opacity:1;transform:none}}
.glass.player-panel{--radius:26px;display:block;padding:16px;
  background:linear-gradient(135deg,rgba(20,40,32,.72),rgba(8,21,16,.82));-webkit-backdrop-filter:blur(18px) saturate(120%);backdrop-filter:blur(18px) saturate(120%)}
.player-head{display:flex;justify-content:space-between;align-items:center;padding:4px 6px 14px 10px}
.player-head h2{font-size:28px;margin:0;line-height:1}
.player-head h2 span{font:500 10px var(--sans);letter-spacing:.2em;text-transform:uppercase;opacity:.7;margin-left:14px;vertical-align:middle}
.glass.close{--radius:999px;width:40px;height:40px;justify-content:center;font-size:22px;line-height:1}
.screen{position:relative;aspect-ratio:16/9;border-radius:14px;overflow:hidden;background:#000}
.screen iframe,.screen #yt{position:absolute;inset:0;width:100%;height:100%;border:0}
.chapters{list-style:none;margin:14px 0 0;padding:0;display:grid;grid-template-columns:repeat(5,1fr);gap:8px}
.chapters .glass{--radius:14px;width:100%;padding:11px 14px;font-size:13px;gap:8px;justify-content:flex-start;opacity:.72;transition:opacity .6s ease}
.chapters .glass[aria-current="true"]{opacity:1;--glow:1}
.chapters .n{font-family:var(--serif);font-size:14px;opacity:.7;min-width:22px}
.chapters .time{margin-left:auto;font-size:11px;opacity:.6;font-variant-numeric:tabular-nums}

:focus-visible{outline:2px solid var(--snow);outline-offset:4px}
.movement.light :focus-visible{outline-color:#0B2331}

@media(max-width:900px){
  :root{--gutter:22px}
  .intro{grid-template-columns:1fr;align-items:end;gap:44px;padding-top:130px}
  .movement{grid-template-columns:1fr;padding-top:22vh}
  .movement-copy{position:relative;top:auto;grid-row:auto}
  .movement .frame{grid-column:1;margin-top:40px}
  .movement .frame-offset{width:86%;margin-left:14%;margin-top:28px}
  .credits{grid-template-columns:1fr}
  .rail{display:none}
  .chapters{grid-template-columns:1fr 1fr}
  .chapters li:last-child{grid-column:span 2}
  .field-shade{background:linear-gradient(0deg,rgba(0,0,0,.28),rgba(0,0,0,.08))}
}
@media(max-width:600px){
  .header{padding:20px var(--gutter)}
  .wordmark{font-size:20px}
  h1{font-size:clamp(88px,30vw,140px)}
  .player{width:100vw}
  .glass.player-panel{--radius:18px;padding:10px}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  .player[open]{animation:none}
}
/* In the bright world of Lagoons the fixed chrome turns to dark ink. */
.header,.rail a{transition:color 1.2s ease}
body.is-light .header,body.is-light .rail a{color:#0B2331}

/* Dunes lettering in Nord: wide geometric capitals, so sizes run smaller than the serif. */
h1.dunes-type{font-size:clamp(96px,17vw,260px);line-height:.92;letter-spacing:.04em;margin:28px 0 30px}
h2.dunes-type{font-size:clamp(52px,7vw,104px);line-height:1;letter-spacing:.05em;margin:16px 0 22px}
.credits h2.dunes-type{font-size:clamp(48px,6vw,96px)}
.journey .t.dunes-type{font-size:19px;letter-spacing:.09em}
.player-head h2 .dunes-type{font-family:'Nord','Albert Sans',Arial,sans-serif;font-weight:400;font-size:28px;margin:0;opacity:1;letter-spacing:.07em;vertical-align:baseline}
@media(max-width:600px){h1.dunes-type{font-size:clamp(80px,30vw,140px)}}
/* Towers: the brightest sky gets a deep olive ink rather than white. */
.movement.towers{--ink:#231c02;--ink-soft:rgba(35,28,2,.72)}
.movement.towers .note{color:rgba(35,28,2,.88)}
.movement.towers .glass{color:#231c02}
body.is-light .glass.back{color:#0B2331}

/* Program note, coordinates, classifications — copy from the Dunes programme. */
.with{font-size:12px;letter-spacing:.04em;color:var(--ink-soft);margin:-18px 0 34px}
.place .coord{display:block;margin-top:8px;font-weight:400;letter-spacing:.12em;font-variant-numeric:tabular-nums;opacity:.8}
.kind{font-size:13px;margin:-14px 0 30px;color:var(--ink)}
.kind span{font-size:10px;font-weight:500;letter-spacing:.2em;text-transform:uppercase;color:var(--ink-soft);margin-right:10px}
.notes{display:grid;grid-template-columns:1fr 1fr;gap:6vw;padding-top:14vh;padding-bottom:26vh;align-items:start}
.note-col{max-width:560px}
.note-col h2.dunes-type{font-size:clamp(24px,2.4vw,34px);margin:0 0 30px}
.note-col p{font-size:17px;line-height:1.7;font-weight:300;margin:0 0 20px;color:rgba(237,241,239,.88)}
.note-col p.pull{font-family:var(--serif);font-size:clamp(24px,2.1vw,30px);line-height:1.35;font-weight:500;color:var(--snow);margin:34px 0}
.note-col strong{font-weight:500;color:var(--snow)}
@media(max-width:900px){.notes{grid-template-columns:1fr;gap:40px;padding-top:6vh}}

/* Avant Garde reads lighter than Albert Sans: text sits at Book, the lede at Extra Light. */
.note,.note-col p{font-weight:400}
.note-col p.pull{font-family:var(--sans);font-weight:300;letter-spacing:-.01em}
.wordmark span{font-family:'Albert Sans',Arial,sans-serif}
.lede{font-weight:400}