/* The encounters (homepage section four and its own page). Shared by both.
   A heading with three big numbers, the four species as keys, a night map of Earth with a light for every sighting,
   a big year in the corner, a frosted card for the open sighting and a timeline of eighty years underneath.
   Contents: 1 the section and heading, 2 the keys, 3 the stage and map, 4 the lights, 5 the card, 6 the timeline,
   7 phones, 8 less motion. */

/* ---------- 1. Section and heading ---------- */
.en-stage{position:relative;padding:clamp(48px,7vh,90px) clamp(16px,5vw,84px) clamp(40px,6vh,72px);background:
  radial-gradient(120% 70% at 50% 0%,rgba(30,52,84,.28),transparent 60%),#020304;color:var(--ink,#f3eee7);isolation:isolate}
.en-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;flex-wrap:wrap;margin:0 0 20px}
.en-back{all:unset;cursor:pointer;display:inline-flex;margin-bottom:18px;padding:9px 14px;border-radius:999px;border:1px solid rgba(243,238,231,.16);
  background:rgba(12,14,18,.5);font:500 12px/1 var(--sans,"Geist",Arial,sans-serif)}
.en-back:hover{border-color:var(--star,#ffa552)}
.en-kicker{margin:0 0 10px;font:400 11px/1 var(--mono,"Geist Mono",monospace);letter-spacing:.24em;text-transform:uppercase;color:var(--star,#ffa552)}
.en-head h2{margin:0;font:400 clamp(44px,4.6vw,72px)/.95 var(--serif,"Instrument Serif",Georgia,serif);letter-spacing:-.015em}
.en-intro{margin:10px 0 0;font:300 15px/1.55 var(--sans,"Geist",Arial,sans-serif);color:rgba(243,238,231,.78)}
.en-stats{display:flex;gap:clamp(18px,3vw,40px);margin:0;padding:0;list-style:none}
.en-stats li{display:flex;flex-direction:column;gap:6px;font:400 10.5px/1 var(--mono,"Geist Mono",monospace);letter-spacing:.18em;text-transform:uppercase;color:rgba(243,238,231,.55)}
.en-stats b{font:400 clamp(40px,4vw,60px)/.9 var(--serif,"Instrument Serif",Georgia,serif);letter-spacing:0;text-transform:none;color:var(--ink,#f3eee7)}

/* ---------- 2. The species keys ---------- */
.en-keys{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 16px}
.en-key{all:unset;cursor:pointer;display:inline-flex;align-items:center;gap:8px;padding:8px 13px;border-radius:999px;border:1px solid rgba(243,238,231,.14);
  background:rgba(243,238,231,.04);font:400 13px/1 var(--sans,"Geist",Arial,sans-serif);color:rgba(243,238,231,.78);transition:all .25s ease}
.en-key i{width:8px;height:8px;border-radius:50%;background:var(--c);box-shadow:0 0 10px var(--c)}
.en-key small{font:400 11px/1 var(--mono,"Geist Mono",monospace);color:rgba(243,238,231,.45)}
.en-key:hover{border-color:rgba(243,238,231,.35);color:var(--ink,#f3eee7)}
.en-key.on{background:rgba(243,238,231,.12);border-color:var(--c,rgba(243,238,231,.5));color:var(--ink,#f3eee7)}
.en-key:focus-visible{outline:2px solid var(--star,#ffa552);outline-offset:2px}

/* ---------- 3. The stage and the map ---------- */
.en-view{position:relative;height:clamp(400px,calc(100svh - 420px),760px);border-radius:22px;overflow:hidden;background:#03060c;
  border:1px solid rgba(160,200,240,.12);box-shadow:0 40px 90px -40px rgba(0,0,0,.9),inset 0 0 0 1px rgba(255,255,255,.02);touch-action:pan-y}
.en-layer{position:absolute;left:0;top:0;transform-origin:0 0;--k:1}
.en-map{position:absolute;inset:0;width:100%;height:100%;display:block;user-select:none;-webkit-user-drag:none;
  -webkit-mask-image:linear-gradient(180deg,transparent,#000 6%,#000 92%,transparent);mask-image:linear-gradient(180deg,transparent,#000 6%,#000 92%,transparent)}
.en-view::before{content:"";position:absolute;inset:0;z-index:2;pointer-events:none;
  background:radial-gradient(130% 100% at 50% 45%,transparent 55%,rgba(1,2,5,.75) 100%),
             linear-gradient(180deg,rgba(2,3,6,.55),transparent 18%,transparent 72%,rgba(2,3,6,.7))}
.en-view::after{content:"";position:absolute;inset:0;z-index:2;pointer-events:none;opacity:.06;
  background:repeating-linear-gradient(0deg,rgba(255,255,255,.5) 0 1px,transparent 1px 3px)}
.en-fx{position:absolute;inset:0;z-index:2;pointer-events:none;opacity:0;background:radial-gradient(60% 60% at 50% 50%,rgba(180,210,255,.08),transparent 70%)}
.en-fx.flash{animation:enFlash 1.2s ease-out}
@keyframes enFlash{15%{opacity:1}to{opacity:0}}
.en-year{position:absolute;right:clamp(16px,2.4vw,30px);bottom:clamp(14px,2.2vw,26px);z-index:3;pointer-events:none;display:flex;flex-direction:column;align-items:flex-end;gap:6px}
.en-year b{font:400 clamp(56px,7vw,112px)/.85 var(--serif,"Instrument Serif",Georgia,serif);letter-spacing:-.02em;color:rgba(243,238,231,.92);
  text-shadow:0 0 40px rgba(120,170,255,.25);font-variant-numeric:tabular-nums}
.en-year small{font:400 11px/1 var(--mono,"Geist Mono",monospace);letter-spacing:.2em;text-transform:uppercase;color:rgba(243,238,231,.6)}
.en-hint{position:absolute;right:18px;top:18px;z-index:3;margin:0;padding:7px 12px;border-radius:999px;background:rgba(8,10,14,.55);border:1px solid rgba(243,238,231,.12);
  font:400 10.5px/1 var(--mono,"Geist Mono",monospace);letter-spacing:.16em;text-transform:uppercase;color:rgba(243,238,231,.6);opacity:0;transition:opacity .6s}
.en-stage.is-story .en-hint{opacity:1}

/* ---------- 4. The lights ---------- */
.en-pin{all:unset;position:absolute;z-index:1;width:30px;height:30px;cursor:pointer;--c:#e9eef5;
  transform:translate(-50%,-50%) scale(var(--k));opacity:0;pointer-events:none;transition:opacity .5s ease}
.en-pin.on{opacity:1;pointer-events:auto}
.en-stage.is-filtered .en-pin:not(.on){opacity:0}
.en-dot{position:absolute;left:50%;top:50%;width:9px;height:9px;margin:-4.5px 0 0 -4.5px;border-radius:50%;background:#fff;
  box-shadow:0 0 0 2px var(--c),0 0 14px 3px var(--c),0 0 34px 8px color-mix(in srgb,var(--c) 45%,transparent);transition:transform .3s ease}
.en-ring{position:absolute;left:50%;top:50%;width:30px;height:30px;margin:-15px 0 0 -15px;border-radius:50%;border:1px solid var(--c);opacity:0;
  animation:enRing 3.2s ease-out infinite}
.en-pin:nth-child(3n) .en-ring{animation-delay:-1s}.en-pin:nth-child(3n+1) .en-ring{animation-delay:-2.1s}
@keyframes enRing{0%{transform:scale(.3);opacity:.9}100%{transform:scale(1.7);opacity:0}}
.en-pin.is-area::before{content:"";position:absolute;left:50%;top:50%;width:64px;height:64px;margin:-32px 0 0 -32px;border-radius:50%;
  background:radial-gradient(closest-side,color-mix(in srgb,var(--c) 22%,transparent),transparent);border:1px dashed color-mix(in srgb,var(--c) 40%,transparent)}
.en-pin:hover .en-dot,.en-pin:focus-visible .en-dot,.en-pin.is-open .en-dot{transform:scale(1.5)}
.en-tag{position:absolute;left:50%;bottom:calc(100% + 2px);transform:translateX(-50%);white-space:nowrap;padding:5px 9px;border-radius:7px;
  background:rgba(6,8,12,.82);border:1px solid color-mix(in srgb,var(--c) 45%,transparent);font:400 11px/1 var(--sans,"Geist",Arial,sans-serif);
  color:var(--ink,#f3eee7);opacity:0;transition:opacity .25s,transform .25s;pointer-events:none}
.en-pin:hover .en-tag,.en-pin:focus-visible .en-tag,.en-pin.is-open .en-tag{opacity:1;transform:translateX(-50%) translateY(-3px)}
.en-pin:focus-visible{outline:none}
.en-pin:focus-visible .en-dot{outline:2px solid #fff;outline-offset:3px}
.en-pin.is-open{z-index:3}
.en-pin.is-open::after{content:"";position:absolute;left:50%;top:50%;width:84px;height:84px;margin:-42px 0 0 -42px;border-radius:50%;
  background:conic-gradient(from 0deg,color-mix(in srgb,var(--c) 30%,transparent),transparent 22%);
  -webkit-mask:radial-gradient(closest-side,transparent 20%,#000 22%,#000 98%,transparent);mask:radial-gradient(closest-side,transparent 20%,#000 22%,#000 98%,transparent);
  animation:enSweep 3s linear infinite;pointer-events:none}
@keyframes enSweep{to{transform:rotate(360deg)}}
/* Ignite: a beam of light falls onto the spot, then a ring rolls outwards. */
.en-pin.ignite .en-dot::before{content:"";position:absolute;left:50%;bottom:50%;width:2px;height:220px;margin-left:-1px;transform-origin:bottom;
  background:linear-gradient(0deg,#fff,var(--c) 30%,transparent);filter:blur(.4px);animation:enBeam 1.3s cubic-bezier(.2,.7,.2,1) both}
.en-pin.ignite .en-dot::after{content:"";position:absolute;left:50%;top:50%;width:10px;height:10px;margin:-5px 0 0 -5px;border-radius:50%;
  border:2px solid var(--c);animation:enShock 1.4s cubic-bezier(.2,.7,.3,1) .35s both}
@keyframes enBeam{0%{transform:scaleY(0);opacity:0}25%{transform:scaleY(1);opacity:1}100%{transform:scaleY(1);opacity:0}}
@keyframes enShock{0%{transform:scale(1);opacity:1}100%{transform:scale(14);opacity:0}}
/* The official releases: one white paper light on the Pentagon. */
.en-pin.is-file .en-dot{width:20px;height:20px;margin:-10px 0 0 -10px;border-radius:6px;background:rgba(10,12,16,.9);box-shadow:0 0 0 1px rgba(233,238,245,.7),0 0 16px rgba(233,238,245,.4);
  display:grid;place-items:center}
.en-pin.is-file .en-dot svg{width:12px;height:12px;fill:none;stroke:#e9eef5;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.en-pin.is-file .en-ring{border-radius:8px}
.en-pin.is-file .en-tag{display:none}
.en-pin.is-stacked{display:none}

/* ---------- 5. The card ---------- */
.en-card{position:absolute;left:clamp(14px,2.2vw,28px);bottom:clamp(14px,2.2vw,28px);z-index:4;width:min(400px,calc(100% - 28px));max-height:calc(100% - 170px);
  overflow:auto;overscroll-behavior:contain;padding:18px 20px 16px;border-radius:16px;background:rgba(8,10,14,.66);border:1px solid rgba(243,238,231,.14);
  border-top:2px solid var(--c);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);box-shadow:0 30px 60px -30px rgba(0,0,0,.85)}
.en-card.in{animation:enCard .5s cubic-bezier(.2,.8,.2,1)}
@keyframes enCard{from{opacity:0;transform:translateY(12px)}}
.en-x{all:unset;cursor:pointer;position:absolute;right:10px;top:10px;width:30px;height:30px;border-radius:50%;display:grid;place-items:center;color:rgba(243,238,231,.6)}
.en-x:hover{background:rgba(243,238,231,.1);color:var(--ink,#f3eee7)}
.en-x svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round}
.en-type{display:flex;align-items:center;gap:8px;margin:0 36px 8px 0;font:400 10.5px/1 var(--mono,"Geist Mono",monospace);letter-spacing:.18em;text-transform:uppercase;color:var(--c)}
.en-type svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.en-type span{margin-left:auto;color:rgba(243,238,231,.5)}
.en-card h3{margin:0 0 8px;font:400 clamp(28px,2.5vw,36px)/1 var(--serif,"Instrument Serif",Georgia,serif)}
.en-when{margin:0 0 10px;font:400 11.5px/1.4 var(--mono,"Geist Mono",monospace);letter-spacing:.04em;color:rgba(243,238,231,.6)}
.en-text{margin:0 0 14px;font:300 14px/1.55 var(--sans,"Geist",Arial,sans-serif);color:rgba(243,238,231,.88)}
.en-craft{all:unset;cursor:pointer;display:flex;flex-wrap:wrap;align-items:center;gap:7px;width:100%;box-sizing:border-box;padding:10px 12px;border-radius:11px;
  background:rgba(243,238,231,.06);border:1px solid rgba(243,238,231,.1);font:400 12.5px/1.3 var(--sans,"Geist",Arial,sans-serif);color:rgba(243,238,231,.8)}
.en-craft i{width:7px;height:7px;border-radius:50%;background:var(--c);box-shadow:0 0 8px var(--c)}
.en-craft b{font-weight:500;color:var(--ink,#f3eee7)}
.en-craft span{margin-left:auto;font:400 10.5px/1 var(--mono,"Geist Mono",monospace);letter-spacing:.14em;text-transform:uppercase;color:var(--c)}
.en-craft:hover{border-color:var(--c)}

/* ---------- 6. The timeline ---------- */
.en-time{display:flex;align-items:center;gap:16px;margin:16px 0 0}
.en-play{all:unset;cursor:pointer;flex:none;width:46px;height:46px;border-radius:50%;display:grid;place-items:center;border:1px solid rgba(243,238,231,.22);
  background:rgba(243,238,231,.06);color:var(--ink,#f3eee7);transition:border-color .2s,background .2s}
.en-play:hover{border-color:var(--star,#ffa552);background:rgba(255,165,82,.12)}
.en-play svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.en-play[data-state="paused"] svg,.en-play:not([data-state]) svg{fill:currentColor;stroke:none}
.en-play:focus-visible,.en-track:focus-visible{outline:2px solid var(--star,#ffa552);outline-offset:3px}
.en-track{position:relative;flex:1;height:62px;cursor:pointer;touch-action:none;border-radius:10px}
.en-row{position:absolute;left:0;right:0;height:1px;background:rgba(243,238,231,.14)}
.en-row-s{top:16px}.en-row-f{top:38px;background:rgba(243,238,231,.08)}
.en-rows{flex:none;display:flex;flex-direction:column;gap:9px;margin-top:-14px}
.en-rows span{display:flex;align-items:center;gap:7px;font:400 9.5px/1 var(--mono,"Geist Mono",monospace);letter-spacing:.16em;text-transform:uppercase;color:rgba(243,238,231,.45);white-space:nowrap}
.en-rows span::before{content:"";width:4px;height:11px;border-radius:2px;background:linear-gradient(var(--star,#ffa552),#9fd67e)}
.en-rows span+span::before{width:7px;height:7px;border-radius:1px;transform:rotate(45deg);background:#e9eef5}
.en-fill{position:absolute;left:0;top:15px;height:3px;width:0;border-radius:2px;background:linear-gradient(90deg,rgba(255,165,82,.15),var(--star,#ffa552))}
.en-head-line{position:absolute;top:4px;bottom:16px;width:1px;margin-left:-.5px;background:var(--star,#ffa552);box-shadow:0 0 10px var(--star,#ffa552)}
.en-head-line::after{content:"";position:absolute;left:-4px;top:-3px;width:9px;height:9px;border-radius:50%;background:var(--star,#ffa552)}
.en-dec{position:absolute;bottom:0;transform:translateX(-50%);font:normal 400 10px/1 var(--mono,"Geist Mono",monospace);letter-spacing:.08em;color:rgba(243,238,231,.42)}
.en-dec:first-of-type{transform:none}
.en-tick{all:unset;cursor:pointer;position:absolute;top:9px;width:4px;height:15px;margin-left:-2px;border-radius:2px;background:var(--c,#e9eef5);opacity:.32;transition:opacity .3s,transform .2s;--c:#e9eef5}
.en-tick.is-file{top:33px;width:9px;height:9px;margin-left:-4.5px;border-radius:2px;transform:rotate(45deg)}
.en-tick.on{opacity:1;box-shadow:0 0 8px var(--c)}
.en-tick:hover{transform:scaleY(1.4)}
.en-tick.is-file:hover{transform:rotate(45deg) scale(1.3)}
.en-tick.is-hidden{opacity:.08;box-shadow:none}
.en-credit{margin:14px 0 0;font:300 11.5px/1.5 var(--sans,"Geist",Arial,sans-serif);color:rgba(243,238,231,.42)}

/* ---------- 7. Phones ---------- */
@media (max-width:720px){
  .en-head{align-items:flex-start;flex-direction:column;gap:18px}
  .en-stats b{font-size:40px}
  .en-keys{flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;margin-right:-16px;padding-right:16px}
  .en-keys::-webkit-scrollbar{display:none}
  .en-key{flex:none}
  .en-view{height:auto;aspect-ratio:1/1.08;min-height:0;border-radius:16px}
  .en-card{left:10px;right:10px;bottom:10px;width:auto;max-height:60%;padding:14px 16px 12px}
  .en-card h3{font-size:26px}
  .en-text{font-size:13.5px}
  .en-hint{display:none}
  .en-pin.is-open .en-tag{opacity:0}
  .en-year{right:auto;bottom:auto;left:14px;top:12px;align-items:flex-start}
  .en-year b{font-size:54px}
  .en-time{gap:12px}
  .en-play{width:40px;height:40px}
  .en-dec:nth-of-type(even){display:none}
  .en-rows{display:none}
}

/* ---------- 8. Less motion ---------- */
@media (prefers-reduced-motion:reduce){
  .en-ring,.en-pin.is-open::after,.en-pin.ignite .en-dot::before,.en-pin.ignite .en-dot::after{animation:none!important;display:none}
  .en-card.in,.en-fx.flash{animation:none}
}