:root {
  --bg: #06101b; --bg2: #102b38; --ink: #eef7f4; --muted: #9db0af;
  --accent: #8edbc5; --accent2: #f0c77c; --panel: rgba(9, 24, 32, .62);
  --line: rgba(220, 245, 238, .16); --glow: rgba(99, 215, 190, .22);
}
* { box-sizing: border-box; }
html, body { width: 100%; height: 100%; margin: 0; overflow: hidden; }
body {
  background: var(--bg); color: var(--ink); font-family: "DM Sans", system-ui, sans-serif;
  transition: background-color .8s, color .8s;
}
#field, .wash { position: fixed; inset: 0; width: 100%; height: 100%; pointer-events: none; }
#field { z-index: 0; }
.wash { z-index: 1; background: radial-gradient(circle at 72% 20%, var(--glow), transparent 35%), linear-gradient(145deg, transparent, var(--bg2)); opacity: .9; }
.topbar, main, footer { position: relative; z-index: 5; }
.topbar { height: 12vh; padding: 3.8vh 5vw 0; display: grid; grid-template-columns: 1fr auto 1fr; align-items: start; }
.brand { color: var(--ink); text-decoration: none; text-transform: uppercase; letter-spacing: .18em; font-weight: 600; font-size: clamp(14px, 1.25vw, 21px); }
.brand span { color: var(--accent); }
.brand-current { color: var(--accent); text-transform: uppercase; letter-spacing: .18em; font-weight: 600; font-size: clamp(14px, 1.25vw, 21px); }
.topbar a:not(.brand) { color: rgba(207,233,245,0.7); text-decoration: none; letter-spacing: .06em; font-size: clamp(12px, 1vw, 14px); }
.topbar a:not(.brand):hover, .topbar a:not(.brand):focus-visible { color: var(--accent); }
.clock { font-variant-numeric: tabular-nums; font-size: clamp(16px, 1.5vw, 26px); letter-spacing: .06em; }
button { font: inherit; color: inherit; }
.browse, #fullscreen, .drawer button {
  justify-self: end; border: 1px solid var(--line); background: rgba(255,255,255,.05); border-radius: 999px;
  padding: .65em 1em; cursor: pointer; letter-spacing: .05em;
}
.browse span { color: var(--muted); margin-left: .7em; font-variant-numeric: tabular-nums; }
button:hover, button:focus-visible, a:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
main { height: 78vh; padding: 2vh 5vw 4vh; display: grid; grid-template-columns: .92fr 1.08fr; grid-template-rows: 1fr auto; gap: 2.5vh 3vw; }
.intro { align-self: center; max-width: 46rem; }
.eyebrow { margin: 0 0 1.2vh; color: var(--accent); text-transform: uppercase; letter-spacing: .2em; font-size: clamp(10px, .9vw, 15px); font-weight: 600; }
h1 { margin: 0; font-family: "Instrument Serif", Georgia, serif; font-weight: 400; font-size: clamp(64px, 9vw, 164px); line-height: .82; letter-spacing: -.045em; }
.dek { max-width: 38rem; margin: 2.6vh 0 0; color: var(--muted); font-size: clamp(15px, 1.35vw, 23px); line-height: 1.5; }
.primary {
  position: relative; min-height: 0; border: 1px solid var(--line); border-radius: 3vh; overflow: hidden;
  background: var(--panel); backdrop-filter: blur(18px); box-shadow: 0 2.4vh 8vh rgba(0,0,0,.2);
}
.metrics { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(4, 1fr); gap: 1vw; }
.metric { min-height: 13vh; padding: 1.4vw; border: 1px solid var(--line); border-radius: 2vh; background: var(--panel); display: flex; flex-direction: column; justify-content: space-between; }
.metric span { color: var(--muted); font-size: clamp(11px, .95vw, 16px); }
.metric strong { font-size: clamp(24px, 2.7vw, 48px); font-weight: 300; letter-spacing: -.04em; }
.metric i { height: 4px; border-radius: 4px; background: linear-gradient(90deg, var(--accent) var(--fill, 60%), rgba(255,255,255,.08) var(--fill, 60%)); }
footer { height: 10vh; padding: 0 5vw 3vh; display: flex; align-items: end; justify-content: space-between; color: var(--muted); font-size: clamp(11px, .9vw, 15px); }
kbd { border: 1px solid var(--line); border-radius: 5px; padding: .1em .38em; margin-right: .25em; color: var(--ink); }
#fullscreen { justify-self: auto; padding: .5em .9em; }
.drawer { position: fixed; z-index: 20; inset: 0; padding: 4vh 5vw; background: rgba(3,8,14,.94); backdrop-filter: blur(24px); overflow: auto; }
.drawer[hidden] { display: none; }
.drawer-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 3vh; font-size: clamp(20px, 2vw, 32px); }
.concept-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1vw; }
.concept-button { min-height: 14vh; text-align: left; border: 1px solid var(--line); border-radius: 18px; background: rgba(255,255,255,.04); padding: 1.2rem; cursor: pointer; display: flex; flex-direction: column; justify-content: space-between; }
.concept-button.active { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 14%, transparent); }
.concept-button small { color: var(--muted); text-transform: uppercase; letter-spacing: .13em; }
.concept-button strong { font-family: "Instrument Serif", Georgia, serif; font-size: clamp(22px, 2vw, 34px); font-weight: 400; }
.viz-orbit::before, .viz-bloom::before, .viz-moon::before {
  content: ""; position: absolute; width: min(30vw, 46vh); aspect-ratio: 1; left: 50%; top: 50%; transform: translate(-50%,-50%); border-radius: 50%;
  border: 1px solid var(--line); box-shadow: 0 0 0 3vw rgba(255,255,255,.025), 0 0 7vw var(--glow);
}
.viz-orbit::after { content: ""; position: absolute; inset: 20%; border: 1px dashed var(--accent); border-radius: 50%; transform: rotate(-18deg) scaleY(.42); }
.viz-bloom::before { background: conic-gradient(var(--accent) 0 28%, var(--accent2) 28% 58%, rgba(255,255,255,.06) 58%); border: 0; }
.viz-bloom::after { content: "72%\A in bloom"; white-space: pre; position: absolute; width: min(22vw, 34vh); aspect-ratio: 1; left: 50%; top: 50%; transform: translate(-50%,-50%); border-radius: 50%; background: var(--bg); display: grid; place-items: center; text-align: center; font-size: clamp(18px,2vw,34px); }
.viz-wave svg, .viz-chart svg { position: absolute; inset: 8%; width: 84%; height: 84%; }
.viz-board { padding: 2vh 2vw; display: grid; align-content: center; gap: 1vh; }
.board-row { display: grid; grid-template-columns: .7fr 1.7fr 1fr; padding: 1.2vh 1vw; border-bottom: 1px solid var(--line); font-size: clamp(12px,1.15vw,19px); }
.board-row span:last-child { color: var(--accent); text-align: right; }
.viz-sand { background: linear-gradient(135deg,#e8dfc8,#cdbf9e); }
.viz-sand::before { content:""; position:absolute; inset:0; background: repeating-radial-gradient(ellipse at 50% 50%,transparent 0 12px,rgba(90,70,45,.12) 13px 14px); }
.stone { position:absolute; width: 7%; aspect-ratio:1; border-radius:50%; background:radial-gradient(circle at 35% 30%,#91887d,#3f382f); box-shadow:8px 12px 22px rgba(0,0,0,.2); }
.viz-plasma, .viz-abyss, .viz-crystal { background: rgba(0,0,0,.4); }
.viz-radio { display:grid; place-items:center; background:radial-gradient(ellipse at 50% 120%,rgba(240,168,50,.18),transparent 65%),#130d07; }
.radio-scale { width:84%; height:32%; border:1px solid #9a7540; background:repeating-linear-gradient(90deg,transparent 0 3.8%,rgba(240,200,130,.5) 4% 4.15%); position:relative; }
.radio-scale::after { content:"94.7"; position:absolute; left:34%; top:-45%; color:#f0a832; font-size:clamp(22px,3vw,50px); }
.radio-scale i { position:absolute; left:34%; top:-20%; bottom:-20%; width:2px; background:#e04a2a; box-shadow:0 0 14px #e04a2a; }
.sr-only { position:absolute; width:1px; height:1px; overflow:hidden; clip:rect(0 0 0 0); white-space:nowrap; }
@media (max-width: 850px) {
  .topbar { grid-template-columns:1fr auto; }.clock { display:none; }
  main { grid-template-columns:1fr; grid-template-rows:auto 1fr auto; }
  .intro { align-self:start; }.primary { grid-row:2; min-height:32vh; }.metrics { grid-column:1; grid-template-columns:repeat(2,1fr); }
  h1 { font-size:clamp(52px,16vw,92px); }.metric { min-height:10vh; }.concept-grid { grid-template-columns:repeat(2,1fr); }
}
@media (prefers-reduced-motion: reduce) { *,*::before,*::after { animation:none!important; transition:none!important; } }