/* reylink.io — cinematic Instrument Deck. Deep graphite, layered surfaces, hairlines, one electric-blue accent,
   light used as depth (glows, fog), never as decoration. Single dark theme by design.
   Motion: everything that moves is wrapped in prefers-reduced-motion: no-preference, and anything hidden for an
   entrance is hidden only under html.js (set by main.js), so the copy never depends on script. */

/* Self-hosted latin subsets (OFL). Saira and Plex Sans are variable; ranges match what the pages use. */
@font-face { font-family: "Saira"; font-weight: 500 700; font-display: swap; src: url("/fonts/saira-latin.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Sans"; font-weight: 400 600; font-display: swap; src: url("/fonts/ibm-plex-sans-latin.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Mono"; font-weight: 400; font-display: swap; src: url("/fonts/ibm-plex-mono-400-latin.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Mono"; font-weight: 500; font-display: swap; src: url("/fonts/ibm-plex-mono-500-latin.woff2") format("woff2"); }

:root {
  color-scheme: dark;
  --bg: #07090c; --bg1: #0c1016; --bg2: #121821; --bg3: #18202b;
  --line: #1c242f; --line2: #2a3441;
  --text: #eef2f6; --muted: #98a3b3; --faint: #7c8896;
  --accent: #5a93ff; --accent2: #8fb8ff; --accent-ink: #06080b;
  --ok: #4cbb90; --err: #ff7b72; --amber: #f2b84b;
  --fd: "Saira", "Arial Narrow", Arial, sans-serif;
  --fb: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --fm: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --gutter: clamp(18px, 4vw, 48px);
  --ease: cubic-bezier(.2, .7, .2, 1);
  --ease-out: cubic-bezier(.16, 1, .3, 1);
}

* { box-sizing: border-box; }
html { background: var(--bg); scroll-behavior: smooth; }
/* No body background: html paints the page colour, so the fixed grid layers (z-index -1) show through. */
body { margin: 0; color: var(--text); font: 16px/1.6 var(--fb); -webkit-font-smoothing: antialiased; overflow-x: hidden; }
h1, h2, h3 { margin: 0; text-wrap: balance; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
a { color: inherit; }
img, canvas, svg { max-width: 100%; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
::selection { background: rgba(90, 147, 255, .35); color: #fff; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--accent); color: var(--accent-ink); padding: 8px 12px; border-radius: 4px; z-index: 20; }
.skip:focus { left: 12px; }
.sr { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
.wrap { max-width: 1240px; margin: 0 auto; padding-inline: var(--gutter); }
.mono { font-family: var(--fm); }
.dim { color: var(--faint); }
.ok { color: var(--ok) !important; }

/* Ambient grid behind everything, fading toward the edges; .bg-light is a brighter copy of it that main.js
   unmasks around the pointer, so the grid lights up where the visitor looks. */
.bg-grid, .bg-light { position: fixed; inset: 0; z-index: -1; pointer-events: none; background-size: 72px 72px; background-position: center top; }
.bg-grid { opacity: .5;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, #000 20%, transparent 100%);
  mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, #000 20%, transparent 100%); }
.bg-light { opacity: 0; transition: opacity .6s;
  background-image: linear-gradient(rgba(90, 147, 255, .34) 1px, transparent 1px), linear-gradient(90deg, rgba(90, 147, 255, .34) 1px, transparent 1px);
  -webkit-mask-image: radial-gradient(240px circle at var(--cx, 50%) var(--cy, -300px), #000, transparent 75%);
  mask-image: radial-gradient(240px circle at var(--cx, 50%) var(--cy, -300px), #000, transparent 75%); }
.pointer .bg-light { opacity: 1; }

/* Top bar, with a reading-progress hairline once the page scrolls */
.topbar { position: fixed; top: 0; left: 0; right: 0; z-index: 10; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 14px var(--gutter); transition: background .3s, border-color .3s; border-bottom: 1px solid transparent; }
.topbar.scrolled { background: rgba(7, 9, 12, .82); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border-bottom-color: var(--line); }
.topbar::after { content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 1px; background: linear-gradient(90deg, rgba(90, 147, 255, .2), var(--accent) 70%, var(--accent2)); transform-origin: 0 50%; transform: scaleX(var(--sp, 0)); opacity: 0; transition: opacity .3s; pointer-events: none; }
.topbar.scrolled::after { opacity: 1; }
.brand { display: inline-flex; align-items: baseline; gap: 8px; text-decoration: none; }
.wordmark { font: 600 22px/1 var(--fd); letter-spacing: .02em; }
.brand i { width: 7px; height: 7px; background: var(--accent); border-radius: 2px; display: inline-block; transform: translateY(-1px); box-shadow: 0 0 12px var(--accent); }
.nav { position: relative; display: flex; align-items: center; gap: 22px; }
.nav a { font-size: 13.5px; text-decoration: none; color: var(--muted); transition: color .25s; }
.nav a:hover, .nav a.on { color: var(--text); }
.nav-ind { position: absolute; left: 0; bottom: -9px; width: 1px; height: 2px; border-radius: 2px; background: var(--accent); box-shadow: 0 0 10px var(--accent); transform-origin: 0 0; transform: translateX(var(--nx, 0px)) scaleX(var(--nw, 0)); opacity: 0; transition: transform .5s var(--ease-out), opacity .3s; pointer-events: none; }
.nav.has-on .nav-ind { opacity: 1; }

/* Buttons: a light that follows the pointer, and a slight magnetic pull (main.js sets --bx/--by and --mx/--my) */
.btn { position: relative; isolation: isolate; overflow: hidden; display: inline-flex; align-items: center; justify-content: center; gap: 8px; font: 600 13.5px/1 var(--fd); letter-spacing: .08em; text-transform: uppercase; padding: 15px 22px; border-radius: 4px; border: 1px solid var(--accent); background: var(--accent); color: var(--accent-ink) !important; text-decoration: none; cursor: pointer;
  transform: translate(var(--mx, 0px), var(--my, 0px)); transition: transform .35s var(--ease-out), box-shadow .25s, filter .25s, border-color .25s; }
.btn::before { content: ""; position: absolute; inset: 0; z-index: -1; background: radial-gradient(110px circle at var(--bx, 50%) var(--by, 50%), rgba(255, 255, 255, .5), transparent 70%); opacity: 0; transition: opacity .3s; }
.btn:hover { filter: brightness(1.06); box-shadow: 0 0 28px rgba(90, 147, 255, .4); }
.btn:hover::before { opacity: 1; }
.btn-ghost { background: transparent; color: var(--text) !important; border-color: var(--line2); }
.btn-ghost::before { background: radial-gradient(110px circle at var(--bx, 50%) var(--by, 50%), rgba(90, 147, 255, .3), transparent 70%); }
.btn-ghost:hover { border-color: var(--accent); box-shadow: none; filter: none; }
.btn-small { padding: 10px 14px; font-size: 12px; }
.nav .btn.on { box-shadow: 0 0 22px rgba(90, 147, 255, .45); }

.eyebrow { font: 500 12px/1 var(--fm); letter-spacing: .1em; text-transform: uppercase; color: var(--accent); }
.eyebrow.decoding { position: relative; color: transparent; }
.eyebrow.decoding > .dec { position: absolute; inset: 0; color: var(--accent); }
.label { font: 600 12.5px/1.3 var(--fd); letter-spacing: .16em; text-transform: uppercase; color: var(--muted); display: block; margin-bottom: 22px; }
.section { padding-block: clamp(72px, 9vw, 128px); }
.sec-head { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: 28px 56px; align-items: end; margin-bottom: 44px; }
.sec-head h2, .sec-copy h2, .contact h2 { font: 700 clamp(32px, 4.4vw, 58px)/1.02 var(--fd); letter-spacing: -.015em; margin-top: 14px; }
.sec-head > p, .sec-copy > p:not(.eyebrow) { font-size: 16.5px; color: var(--muted); max-width: 54ch; }
.sec-copy > p:not(.eyebrow) { margin-top: 18px; }
.fine { font: 12px/1.55 var(--fm); color: var(--faint); margin-top: 18px; max-width: 100ch; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.lede { font-size: clamp(17px, 1.6vw, 21px); line-height: 1.5; color: var(--muted); max-width: 58ch; margin-top: 22px; }

/* Headings that rise word by word: main.js wraps each word (the readable text stays in a .sr copy) */
.split .w { display: inline-block; vertical-align: top; overflow: hidden; padding: .1em .06em .2em; margin: -.1em -.06em -.2em; }
.split .w > span { display: inline-block; }

/* Hero */
.hero { position: relative; min-height: 94vh; display: grid; align-items: end; padding: 140px var(--gutter) 40px; overflow: hidden; isolation: isolate; }
#hero-canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; z-index: 0; opacity: calc(1 - var(--hs, 0) * .7); }
.hero-glow { position: absolute; left: 50%; top: -18vw; width: 70vw; height: 60vw; transform: translateX(-50%); background: radial-gradient(closest-side, rgba(90, 147, 255, .18), transparent 72%); pointer-events: none; z-index: 0; }
.hero::after { content: ""; position: absolute; inset: auto 0 0 0; height: 55%; background: linear-gradient(180deg, transparent, rgba(7, 9, 12, .92) 70%); z-index: 0; pointer-events: none; }
.hero-inner { position: relative; z-index: 1; max-width: 1240px; margin: 0 auto; width: 100%; translate: 0 calc(var(--hs, 0) * -70px); opacity: calc(1 - var(--hs, 0) * 1.3); }
.hero h1 { line-height: 1.5; }
.hero .tagline { font: 700 clamp(46px, 8.2vw, 112px)/.95 var(--fd); letter-spacing: -.02em; margin-top: 15px; max-width: 12ch; text-wrap: balance; text-shadow: 0 2px 30px rgba(0, 0, 0, .5); }
.tagline .ln { display: block; overflow: hidden; padding: .08em .1em .16em 0; margin: -.08em -.1em -.16em 0; }
.tagline .ln > span { display: inline-block; transform-origin: 0 100%; }
.tagline .hl { color: var(--accent); }
.hud { display: flex; flex-wrap: wrap; border: 1px solid var(--line2); border-radius: 6px; background: rgba(12, 16, 22, .72); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); font: 500 11.5px/1 var(--fm); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin-top: 40px; width: fit-content; max-width: 100%; }
.hud span { padding: 13px 16px; border-right: 1px solid var(--line2); white-space: nowrap; }
.hud span:last-child { border-right: 0; }
.hud b { color: var(--text); font-weight: 500; margin-left: 8px; font-variant-numeric: tabular-nums; }
@media (min-width: 1001px) {
  /* The swarm flies to the right of the copy on wide screens; main.js places it to match */
  .hero-glow { left: 70%; top: calc(46% - 28vw); width: 62vw; height: 56vw; }
  .hero::after { height: 42%; }
}

/* Proof */
.proof { padding-block: 56px 40px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: linear-gradient(180deg, rgba(12, 16, 22, .6), transparent); }
.proof-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; }
.proof-grid > div { padding: 8px 28px 8px 0; margin-right: 28px; border-right: 1px solid var(--line2); display: grid; gap: 8px; align-content: start; }
.proof-grid > div:last-child { border-right: 0; margin-right: 0; }
.proof-grid b { font: 700 clamp(40px, 4.6vw, 64px)/1 var(--fd); letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.proof-grid span { font-size: 14px; color: var(--muted); }
.proof-grid small { font: 11.5px/1.4 var(--fm); color: var(--faint); }

/* Replay console: tilts up into place as it scrolls in (main.js sets --t from 0 to 1) */
.console-stage { --tilt: 26deg; perspective: 1800px; }
.console { border: 1px solid var(--line2); border-radius: 8px; background: var(--bg1); overflow: hidden; box-shadow: 0 30px 80px rgba(0, 0, 0, .45), 0 0 0 1px rgba(90, 147, 255, .06);
  transform-origin: 50% 0; transform: rotateX(calc((1 - var(--t, 1)) * var(--tilt))) scale(calc(.9 + var(--t, 1) * .1)); }
.console-bar { display: flex; align-items: center; gap: 12px; padding: 10px 16px; border-bottom: 1px solid var(--line); font-size: 11.5px; color: var(--muted); }
.console-bar .dot { width: 8px; height: 8px; flex: none; border-radius: 999px; background: var(--ok); box-shadow: 0 0 10px var(--ok); }
.console-bar span:last-child { margin-left: auto; font-variant-numeric: tabular-nums; }
.console-body { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) 260px; }
.console-body::after { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 90px; background: linear-gradient(180deg, transparent, rgba(90, 147, 255, .16) 80%, rgba(143, 184, 255, .7)); border-bottom: 1px solid var(--accent2); opacity: 0; pointer-events: none; }
#rp-map { display: block; width: 100%; aspect-ratio: 16 / 10; background: #0a0e13; border-right: 1px solid var(--line); }
/* The verdict currently on screen, quoted from reylink's log (main.js fills and shows it) */
.rp-view { position: relative; min-width: 0; }
.rp-banner { position: absolute; left: 12px; top: 12px; max-width: min(460px, calc(100% - 24px)); margin: 0; padding: 9px 12px 10px; display: grid; gap: 3px;
  border: 1px solid var(--line2); border-left-width: 3px; border-radius: 6px; background: rgba(7, 9, 12, .88); font-size: 13px; line-height: 1.35; pointer-events: none; }
.rp-banner[hidden] { display: none; }
.rp-banner b { font-weight: 600; }
.rp-banner span { font: 400 11px/1.45 var(--fm); color: var(--muted); overflow-wrap: anywhere; }
.rp-banner.err { border-color: var(--err); }
.rp-banner.err b { color: var(--err); }
.rp-banner.ok { border-color: var(--ok); }
.console-side { padding: 14px 16px; display: grid; align-content: start; gap: 8px; font-size: 13px; }
.kv { display: flex; justify-content: space-between; gap: 12px; padding: 7px 0; border-bottom: 1px solid var(--line); }
.kv span { color: var(--muted); }
.kv b { font: 500 13px var(--fm); font-variant-numeric: tabular-nums; }
.kv b.err { color: var(--err); }
.kv b.amber { color: var(--amber); }
.alts-head { font: 500 11px/1 var(--fm); letter-spacing: .1em; text-transform: uppercase; color: var(--faint); margin-top: 8px; }
.alts { display: grid; gap: 5px; }
.alts li { display: grid; grid-template-columns: 44px minmax(0, 1fr) 40px; gap: 8px; align-items: center; font: 500 11px var(--fm); color: var(--muted); }
.alts .bar { height: 5px; background: var(--bg3); border-radius: 2px; overflow: hidden; }
.alts .bar i { display: block; height: 100%; width: 0; background: var(--accent); transition: width .25s linear; }
.alts em { font-style: normal; text-align: right; font-variant-numeric: tabular-nums; }
.console-foot { display: flex; align-items: center; gap: 12px; padding: 12px 16px; border-top: 1px solid var(--line); }
.scrub { position: relative; flex: 1; height: 8px; background: var(--bg3); border-radius: 4px; overflow: visible; cursor: pointer; }
.scrub-fill { position: absolute; left: 0; top: 0; bottom: 0; width: 0; background: var(--accent); border-radius: 4px; box-shadow: 0 0 12px rgba(90, 147, 255, .5); }
.scrub-marks { position: absolute; inset: 0; }
.scrub-marks i { position: absolute; top: -4px; width: 2px; height: 16px; background: var(--muted); opacity: .8; }
.scrub-marks i.h { top: 1px; height: 6px; background: var(--amber); opacity: .9; border-radius: 3px; } /* runtime holds */
#rp-status { font-size: 11px; white-space: nowrap; }

/* The same run on film: Gazebo's 3D view and Atlas, labels burned in. Nothing loads until it is played. */
.film { margin: clamp(28px, 4vw, 48px) 0 0; border: 1px solid var(--line2); border-radius: 8px; background: var(--bg1); overflow: hidden; box-shadow: 0 30px 80px rgba(0, 0, 0, .45), 0 0 0 1px rgba(90, 147, 255, .06); }
.film video { display: block; width: 100%; height: auto; aspect-ratio: 16 / 9; background: #000; }
.film figcaption { padding: 12px 16px 14px; border-top: 1px solid var(--line); font-size: 13.5px; line-height: 1.55; color: var(--muted); }
.film figcaption p { margin: 0; max-width: 96ch; }
.film figcaption p b { color: var(--text); font-weight: 600; }
.film-log { margin-top: 10px; }
.film-log summary { width: fit-content; cursor: pointer; font: 500 11.5px/1.6 var(--fm); letter-spacing: .08em; text-transform: uppercase; color: var(--text); }
.film-log ol { display: grid; gap: 6px; margin-top: 10px; }
.film-log li { display: grid; grid-template-columns: 11ch minmax(0, 1fr); gap: 12px; }
.film-log li b { font: 500 12px/1.65 var(--fm); color: var(--text); font-variant-numeric: tabular-nums; }

/* The gap: three statements across the full width, each lit word by word as it scrolls past (main.js sets --p
   per statement and --wi per word; without script every word is simply lit). */
.statements { display: grid; gap: clamp(40px, 6vw, 80px); margin-top: clamp(28px, 4vw, 48px); }
.st { position: relative; display: grid; grid-template-columns: clamp(56px, 9vw, 132px) minmax(0, 1fr); gap: 0 clamp(16px, 3vw, 40px); padding-top: clamp(20px, 2.4vw, 30px); }
.st::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 1px; background: linear-gradient(90deg, var(--accent), var(--line2) 35%); transform-origin: 0 50%; transform: scaleX(var(--p, 1)); }
.st-n { font: 500 13px/1 var(--fm); letter-spacing: .12em; color: var(--accent); padding-top: .9em; }
.st p { font: 600 clamp(28px, 3.7vw, 54px)/1.1 var(--fd); letter-spacing: -.015em; color: var(--muted); max-width: 24em; text-wrap: pretty; }
.st b { color: var(--text); font-weight: 700; }
.st .lw { --lit: clamp(0, (var(--p, 1) * (var(--n, 1) + 6) - var(--wi, 0)) / 6, 1); opacity: calc(.57 + .43 * var(--lit)); }
.st b .lw { opacity: calc(.37 + .63 * var(--lit)); }
.statement-end { margin-top: clamp(56px, 8vw, 112px); font: 700 clamp(44px, 7.6vw, 116px)/.98 var(--fd); letter-spacing: -.025em; text-wrap: balance; }
.statement-end .hl { display: inline-block; color: var(--accent); filter: drop-shadow(0 0 26px rgba(90, 147, 255, .45)); }
.statement-end .hl .w > span { background: linear-gradient(105deg, var(--accent) 0 40%, #e4eeff 50%, var(--accent) 60% 100%) 100% 0 / 280% 100% no-repeat; -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
/* The missing layer, drawn: operator and fleet with a dashed gap that reylink closes */
.bridge { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; max-width: 760px; margin-top: clamp(28px, 4vw, 44px); font: 500 12px/1 var(--fm); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.bridge .node { padding: 11px 14px; border: 1px solid var(--line2); border-radius: 4px; background: var(--bg1); white-space: nowrap; }
.bridge .link { position: relative; height: 1px; margin: 0 12px; background: repeating-linear-gradient(90deg, var(--line2) 0 6px, transparent 6px 12px); }
.bridge .link i { position: absolute; inset: -.5px 0; background: linear-gradient(90deg, rgba(90, 147, 255, .2), var(--accent) 22% 78%, rgba(90, 147, 255, .2)); box-shadow: 0 0 12px var(--accent); }
.bridge .link b { position: absolute; z-index: 1; left: 50%; top: 50%; transform: translate(-50%, -50%); padding: 7px 10px; font-weight: 500; color: var(--accent2); background: var(--bg); border: 1px solid var(--accent); border-radius: 4px; box-shadow: 0 0 26px rgba(90, 147, 255, .35); }

/* Three layers: exploded 3D plates. main.js sets --e from 0 (stacked) to 1 (exploded) as the stack scrolls in. */
.layers .two { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 60px; align-items: center; }
.layer-list { display: grid; gap: 14px; margin-top: 28px; }
.layer-list li { display: grid; gap: 4px; padding: 14px 0; border-top: 1px solid var(--line); transition: border-color .3s; }
.layer-list b { font: 600 16px/1.2 var(--fd); letter-spacing: .02em; transition: color .3s; }
.layer-list span { font-size: 14px; color: var(--muted); }
.layer-list li.hot { border-top-color: var(--accent); }
.layer-list li.hot b { color: var(--accent2); }
.plates { --spread: calc(.2 + .8 * var(--e, 1)); position: relative; height: 460px; perspective: 1400px; }
.plate { position: absolute; inset: 0; margin: auto; width: min(420px, 80%); height: 150px; border: 1px solid var(--line2); border-radius: 8px; background: linear-gradient(135deg, rgba(24, 32, 43, .9), rgba(12, 16, 22, .9)); transform-style: preserve-3d; display: grid; align-content: end; gap: 4px; padding: 14px 18px; box-shadow: 0 30px 60px rgba(0, 0, 0, .45);
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px); background-size: 28px 28px;
  transform: translateY(calc(var(--y) * var(--spread))) rotateX(58deg) rotateZ(-28deg) translateZ(calc(var(--z) * var(--spread)));
  translate: 0 var(--lift, 0px); transition: translate .45s var(--ease-out), border-color .3s, box-shadow .3s; }
.plate span { font: 600 13px/1 var(--fd); letter-spacing: .14em; text-transform: uppercase; color: var(--muted); transition: color .3s; }
.plate em { font: 500 11px/1.3 var(--fm); font-style: normal; color: var(--faint); }
.plate.p1 { --y: -115px; --z: 130px; }
.plate.p2 { --y: 0px; --z: 0px; border-color: var(--accent); box-shadow: 0 0 0 1px rgba(90, 147, 255, .25), 0 0 60px rgba(90, 147, 255, .25), 0 30px 60px rgba(0, 0, 0, .45); }
.plate.p2 span { color: var(--accent); }
.plate.p3 { --y: 115px; --z: -130px; }
.plate.hot { --lift: -12px; border-color: var(--accent2); box-shadow: 0 0 0 1px rgba(143, 184, 255, .35), 0 0 70px rgba(90, 147, 255, .3), 0 40px 70px rgba(0, 0, 0, .5); }
.plate.hot span { color: var(--text); }
.packet { position: absolute; left: 50%; top: 50%; width: 8px; height: 8px; border-radius: 999px; background: var(--accent); box-shadow: 0 0 14px var(--accent); animation: packet 3.2s var(--ease) infinite; }
.packet.down { margin-top: -100px; }
.packet.up { margin-top: 70px; animation-name: packet-up; animation-delay: 1.6s; background: var(--ok); box-shadow: 0 0 14px var(--ok); }
.js .plates:not(.open) .packet { visibility: hidden; }
@keyframes packet { 0% { transform: translate(-50%, -40px); opacity: 0; } 15% { opacity: 1; } 85% { opacity: 1; } 100% { transform: translate(-50%, 80px); opacity: 0; } }
@keyframes packet-up { 0% { transform: translate(-50%, 80px); opacity: 0; } 15% { opacity: 1; } 85% { opacity: 1; } 100% { transform: translate(-50%, -40px); opacity: 0; } }

/* Steps. Without script: a 3-column grid. With script: a list beside a sticky stage that acts out the active step. */
.steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px 32px; counter-reset: step; }
.steps li { position: relative; border-top: 1px solid var(--line2); padding-top: 16px; display: grid; gap: 8px; align-content: start; counter-increment: step; }
.steps li::before { content: counter(step, decimal-leading-zero); font: 500 12px/1 var(--fm); color: var(--accent); letter-spacing: .1em; }
.steps h3 { font: 600 20px/1.2 var(--fd); transition: color .35s; }
.steps p { font-size: 14.5px; color: var(--muted); }
.stage { display: none; }
.js .how-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr); gap: 0 64px; align-items: start; }
.js .stage { display: block; grid-column: 2; grid-row: 1; position: sticky; top: 96px; border: 1px solid var(--line2); border-radius: 8px; background: var(--bg1); overflow: hidden; box-shadow: 0 30px 80px rgba(0, 0, 0, .4), 0 0 0 1px rgba(90, 147, 255, .05); }
.js .steps { grid-column: 1; grid-row: 1; grid-template-columns: minmax(0, 1fr); gap: 0; position: relative; padding-left: 34px; }
.js .steps::before, .js .steps::after { content: ""; position: absolute; left: 5px; top: 30px; bottom: 30px; width: 2px; border-radius: 2px; background: var(--line2); }
.js .steps::after { background: linear-gradient(180deg, var(--accent2), var(--accent)); box-shadow: 0 0 12px rgba(90, 147, 255, .6); transform-origin: 50% 0; transform: scaleY(var(--rail, 0)); }
.js .steps li { border-top: 0; padding: 22px 0 26px; }
.js .steps li + li { border-top: 1px solid var(--line); }
.js .steps li::after { content: ""; position: absolute; left: -34px; top: 24px; width: 12px; height: 12px; border-radius: 999px; background: var(--bg); border: 2px solid var(--line2); z-index: 1; transition: background .35s, border-color .35s, box-shadow .35s; }
.js .steps h3 { color: var(--muted); }
.js .steps li.done::after { border-color: var(--accent); }
.js .steps li.on::after { background: var(--accent); border-color: var(--accent); box-shadow: 0 0 0 5px rgba(90, 147, 255, .16), 0 0 16px var(--accent); }
.js .steps li.on h3 { color: var(--text); }
.stage-bar { display: flex; align-items: center; gap: 10px; padding: 11px 16px; border-bottom: 1px solid var(--line); font-size: 11.5px; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.stage-bar .dot { width: 8px; height: 8px; flex: none; border-radius: 999px; background: var(--accent); box-shadow: 0 0 10px var(--accent); }
.stage-bar b { color: var(--text); font-weight: 500; }
.stage-bar #how-title { color: var(--text); }
.stage-bar #how-status { margin-left: auto; text-align: right; color: var(--accent2); font-variant-numeric: tabular-nums; }
.stage[data-mode="ok"] #how-status { color: var(--ok); }
.stage[data-mode="ok"] .stage-bar .dot { background: var(--ok); box-shadow: 0 0 10px var(--ok); }
.stage[data-mode="hold"] #how-status { color: var(--amber); }
.stage[data-mode="hold"] .stage-bar .dot { background: var(--amber); box-shadow: 0 0 10px var(--amber); }
.stage[data-mode="stop"] #how-status { color: var(--err); }
.stage[data-mode="stop"] .stage-bar .dot { background: var(--err); box-shadow: 0 0 10px var(--err); }
#how-canvas { display: block; width: 100%; aspect-ratio: 5 / 4; background: radial-gradient(ellipse at 50% 40%, rgba(90, 147, 255, .07), transparent 70%), #0a0e13; }
.stage-ticks { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 6px; padding: 12px 16px; border-top: 1px solid var(--line); }
.stage-ticks i { height: 3px; border-radius: 2px; background: var(--bg3); transition: background .4s, box-shadow .4s; }
.stage-ticks i.on { background: var(--accent); box-shadow: 0 0 8px rgba(90, 147, 255, .6); }

/* Modular cards */
.cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.card { border: 1px solid var(--line2); border-radius: 8px; background: var(--bg1); padding: 24px; display: grid; gap: 14px; align-content: start; }
.card h3 { font: 600 24px/1.15 var(--fd); }
.card > p:not(.fine) { font-size: 14.5px; color: var(--muted); }
.card > .fine { margin-top: 4px; }
.code { margin: 4px 0 0; padding: 16px; background: #0a0e13; border: 1px solid var(--line); border-radius: 6px; font: 12.5px/1.55 var(--fm); color: #cdd6e0; overflow-x: auto; }
.code .cl { display: block; width: max-content; min-width: 100%; }
.code .c, .code .p { color: var(--faint); }
.code .k, .code .f { color: #8fb8ff; }
.code .s { color: #8fd6b3; }
.code .n { color: #f0c27a; }
.code .kw { color: #c9a9ff; }
.mini { display: grid; gap: 10px; }
.mini li { font-size: 14px; color: var(--muted); padding-left: 18px; position: relative; }
.mini li::before { content: ""; position: absolute; left: 0; top: 11px; width: 8px; height: 1px; background: var(--accent); }
.mini b { color: var(--text); font-weight: 600; }

/* Capability grid */
.cap-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.cap { border: 1px solid var(--line); border-radius: 8px; background: linear-gradient(180deg, var(--bg1), var(--bg)); padding: 22px; display: grid; gap: 10px; align-content: start; transition: border-color .25s, transform .4s var(--ease-out); }
.cap:hover { border-color: rgba(90, 147, 255, .55); transform: translateY(-3px); }
.cap svg { width: 28px; height: 28px; fill: none; stroke: var(--accent); stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; filter: drop-shadow(0 0 6px rgba(90, 147, 255, .35)); }
.cap h3 { font: 600 20px/1.2 var(--fd); }
.cap p { font-size: 14.5px; color: var(--muted); }
.cap small { font: 11.5px/1.45 var(--fm); color: var(--faint); }

/* Cards that catch the light: main.js sets --gx/--gy to the pointer position inside the card */
.spot { position: relative; isolation: isolate; }
.spot::before, .spot::after { content: ""; position: absolute; border-radius: inherit; pointer-events: none; opacity: 0; transition: opacity .4s; }
.spot::before { inset: 0; z-index: -1; background: radial-gradient(440px circle at var(--gx, 50%) var(--gy, 50%), rgba(90, 147, 255, .1), transparent 45%); }
.spot::after { inset: -1px; padding: 1px; background: radial-gradient(240px circle at var(--gx, 50%) var(--gy, 50%), rgba(143, 184, 255, .9), transparent 60%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor;
  mask: linear-gradient(#000 0 0) content-box exclude, linear-gradient(#000 0 0); }
.spot:hover::before, .spot:hover::after { opacity: 1; }

/* Edge */
.edge-grid { position: relative; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border: 1px solid var(--line2); border-radius: 8px; overflow: hidden; background: var(--bg1); }
.edge-grid::after { content: ""; position: absolute; inset: 0; background: linear-gradient(100deg, transparent 35%, rgba(90, 147, 255, .12) 50%, transparent 65%); transform: translateX(-100%); pointer-events: none; }
.edge-grid div { padding: 22px 20px; border-right: 1px solid var(--line); display: grid; gap: 8px; align-content: start; }
.edge-grid div:last-child { border-right: 0; }
.edge-grid b { font: 700 44px/1 var(--fd); letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.edge-grid span { font-size: 13.5px; color: var(--muted); }
.meter { display: block; height: 4px; border-radius: 2px; background: var(--bg3); overflow: hidden; }
.meter i { display: block; width: 62%; height: 100%; border-radius: 2px; background: linear-gradient(90deg, var(--accent), var(--accent2)); box-shadow: 0 0 10px rgba(90, 147, 255, .6); transform-origin: 0 50%; }
.notes { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px; margin-top: 28px; }
.notes p { position: relative; font-size: 14.5px; color: var(--muted); border-left: 1px solid var(--line2); padding-left: 16px; }
.notes b { color: var(--text); }

/* Who */
.who-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px; margin-top: 22px; }
.who-grid div { position: relative; border-top: 1px solid var(--line2); padding-top: 14px; display: grid; gap: 4px; align-content: start; }
.who-grid h3 { font: 600 17px/1.2 var(--fd); }
.who-grid span { font-size: 14px; color: var(--muted); }

/* Timeline */
.timeline { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin-top: 32px; }
.timeline li { position: relative; padding: 22px 20px 0 0; border-top: 2px solid var(--line2); display: grid; gap: 6px; align-content: start; }
.timeline li::before { content: ""; position: absolute; top: -7px; left: 0; width: 12px; height: 12px; border-radius: 999px; background: var(--bg); border: 2px solid var(--accent); z-index: 1; }
.timeline li:first-child::before { background: var(--accent); box-shadow: 0 0 12px var(--accent); }
.timeline li:first-child time::before { content: ""; position: absolute; top: -7px; left: 0; width: 12px; height: 12px; border-radius: 999px; border: 2px solid var(--accent); box-sizing: border-box; opacity: 0; }
.timeline time { font: 500 12px/1 var(--fm); color: var(--accent); letter-spacing: .04em; }
.timeline h3 { font: 600 18px/1.25 var(--fd); }
.timeline p { font-size: 14px; color: var(--muted); }

/* Papers: tilt toward the pointer (main.js sets --rx/--ry) */
.paper-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.paper { position: relative; display: grid; gap: 8px; align-content: start; padding: 20px; background: var(--bg1); border: 1px solid var(--line); border-radius: 8px; text-decoration: none;
  transform: perspective(900px) rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg)); transition: border-color .25s, transform .5s var(--ease-out); }
.paper:hover { border-color: rgba(90, 147, 255, .55); }
.paper .num { font: 500 11px/1 var(--fm); color: var(--accent); letter-spacing: .1em; }
.paper h3 { font: 600 19px/1.2 var(--fd); }
.paper p { font-size: 13.5px; color: var(--muted); }
.paper .arrow { position: absolute; right: 16px; top: 16px; color: var(--faint); transition: color .25s, transform .35s var(--ease-out); }
.paper:hover .arrow { color: var(--accent); transform: translateX(4px); }

/* FAQ */
.faq-list { border-top: 1px solid var(--line2); }
.faq-list > div { position: relative; display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 8px 56px; padding: 22px 0; border-bottom: 1px solid var(--line); }
.faq-list h3 { font: 600 19px/1.3 var(--fd); }
.faq-list p { font-size: 15px; color: var(--muted); max-width: 66ch; }

/* Contact */
.contact { position: relative; overflow: hidden; }
.contact::before { content: ""; position: absolute; left: 50%; top: 50%; width: 80vw; height: 60vh; transform: translate(-50%, -50%); background: radial-gradient(closest-side, rgba(90, 147, 255, .16), transparent 72%); pointer-events: none; }
.contact-inner { position: relative; display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 40px 64px; align-items: start; }
.contact h2 { font-size: clamp(30px, 3.4vw, 46px); }
.contact-copy > p:not(.eyebrow) { font-size: 17px; color: var(--muted); max-width: 52ch; margin-top: 18px; }
.contact-alt a { color: var(--text); }
.copy { font: 500 11px/1 var(--fm); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); background: none; border: 1px solid var(--line2); border-radius: 4px; padding: 6px 8px; margin-left: 4px; vertical-align: 2px; cursor: pointer; transition: color .2s, border-color .2s; }
.copy:hover { color: var(--text); border-color: var(--accent); }

/* Contact form: posts to /api/contact (the Worker); main.js sends it in place */
.form { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; padding: 24px; border: 1px solid var(--line2); border-radius: 8px; background: var(--bg1); box-shadow: 0 30px 80px rgba(0, 0, 0, .35); }
.form .full { grid-column: 1 / -1; }
.field { display: grid; gap: 8px; align-content: start; min-width: 0; }
.field > label, .field > legend { font: 500 11.5px/1.2 var(--fm); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.field small { font-size: 11px; letter-spacing: .02em; text-transform: none; color: var(--faint); margin-left: 6px; }
.field > input, .field > select, .field > textarea { width: 100%; font: 16px/1.4 var(--fb); color: var(--text); background: var(--bg); border: 1px solid var(--line2); border-radius: 4px; padding: 11px 12px; transition: border-color .2s, box-shadow .2s; }
.field > select { appearance: none; padding-right: 36px; background: var(--bg) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath d='M1 1.5l5 5 5-5' fill='none' stroke='%2398a3b3' stroke-width='1.5'/%3E%3C/svg%3E") no-repeat right 12px center / 12px 8px; }
.field > textarea { resize: vertical; min-height: 132px; }
.field ::placeholder { color: var(--faint); }
.field > :focus-visible { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(90, 147, 255, .2); }
.field > :user-invalid { border-color: var(--err); }
.picks { border: 0; margin: 0; padding: 0; display: block; min-width: 0; }
.picks legend { padding: 0; margin-bottom: 10px; }
.picks > div { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px 18px; }
.picks label { display: flex; align-items: center; gap: 10px; font-size: 14.5px; cursor: pointer; border-radius: 4px; }
.picks input { width: 16px; height: 16px; margin: 0; flex: none; accent-color: var(--accent); }
.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.form-foot { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 18px; }
.form-status { font: 13px/1.45 var(--fm); color: var(--muted); }
.form-status.ok { display: flex; align-items: center; gap: 10px; }
.form-status.ok::before { content: ""; width: 20px; height: 20px; flex: none; border-radius: 999px; box-shadow: 0 0 14px rgba(76, 187, 144, .5);
  background: var(--ok) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M2.5 6.2l2.3 2.3 4.7-4.9' fill='none' stroke='%2306080b' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / 12px no-repeat; }
.form-status.err { color: var(--err); }
.form .fine { margin-top: 0; }
.btn:disabled { opacity: .6; cursor: progress; }

/* Single-message pages: 404, thanks, and the Worker's no-JS error page */
.page { min-height: 80vh; padding-top: 160px; }
.page-title { font: 700 clamp(38px, 6vw, 76px)/1 var(--fd); letter-spacing: -.02em; margin-top: 16px; }

.footer { border-top: 1px solid var(--line); padding: 22px 0 48px; font: 11.5px/1.5 var(--fm); color: var(--faint); }
.footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 24px; }

/* ---------- Motion ---------- */
@media (prefers-reduced-motion: no-preference) {
  /* Hero intro: plain CSS, so it plays at first paint without waiting for script */
  .topbar { animation: bar-in 1s var(--ease-out) .05s both; }
  .hero h1 { animation: wipe 1.1s var(--ease) .1s both; }
  .tagline .ln > span { animation: line-up 1.2s var(--ease-out) .2s both; }
  .tagline .ln:nth-child(2) > span { animation-delay: .3s; }
  .tagline .ln:nth-child(3) > span { animation-delay: .4s; }
  .hero .lede { animation: fade-up 1s var(--ease-out) .62s both; }
  .hero .cta-row { animation: fade-up 1s var(--ease-out) .74s both; }
  .hero .hud { animation: fade-up 1s var(--ease-out) .86s both; }
  .hero-glow { animation: glow-in 2.6s var(--ease) both; }
  .hud b.flash { animation: hud-flash 1.1s var(--ease) both; }

  /* Reveal on scroll. translate (not transform) carries the entrance, so hover transforms still work;
     --rd staggers elements that enter together (set by main.js). */
  .js [data-reveal] { opacity: 0; translate: 0 26px;
    transition: opacity .9s var(--ease) var(--rd, 0s), translate 1s var(--ease-out) var(--rd, 0s), transform .5s var(--ease-out), border-color .25s, box-shadow .3s; }
  .js [data-reveal].in { opacity: 1; translate: none; }
  .js .split .w > span { transform: translateY(112%) rotate(4deg); transform-origin: 0 100%; transition: transform 1.05s var(--ease-out); transition-delay: calc(var(--rd, 0s) + .1s + var(--wi, 0) * 55ms); }
  .js .in .split .w > span, .js .split.in .w > span { transform: none; }
  .js .statement-end.in .hl .w > span { animation: sweep 1.8s var(--ease) .9s both; }

  /* The bridge closes once the last statement lands */
  .js .bridge .link i { transform: scaleX(0); transition: transform 1.3s var(--ease-out) calc(var(--rd, 0s) + .5s); }
  .js .bridge .link b { opacity: 0; scale: .6; transition: opacity .5s var(--ease) calc(var(--rd, 0s) + 1.2s), scale .7s var(--ease-out) calc(var(--rd, 0s) + 1.2s); }
  .js .bridge .node { transition: border-color .5s, color .5s; transition-delay: calc(var(--rd, 0s) + .3s); }
  .js .bridge .node:last-child { transition-delay: calc(var(--rd, 0s) + 1.6s); }
  .js .bridge.in .link i { transform: none; }
  .js .bridge.in .link b { opacity: 1; scale: 1; }
  .js .bridge.in .node { border-color: rgba(90, 147, 255, .5); color: var(--text); }
  .bridge.in .link::after { content: ""; position: absolute; left: 0; right: 0; top: -2px; height: 5px; background: radial-gradient(circle 2.5px, var(--accent2) 96%, transparent) no-repeat 0 50% / 5px 5px; animation: flow 2.6s linear 2s infinite both; }

  /* Replay console powers on when it lands */
  .console.on .console-body::after { animation: scan 1.3s var(--ease) both; }
  .console.on .console-bar .dot { animation: blink .5s ease-in-out 4; }

  /* Capability icons draw themselves; meter, timeline, rules and borders draw in */
  .js .cap svg path { stroke-dasharray: 1 2; stroke-dashoffset: 1.01; transition: stroke-dashoffset 1.5s var(--ease) calc(var(--rd, 0s) + .25s); }
  .js .cap.in svg path { stroke-dashoffset: 0; }
  .js .meter i { transform: scaleX(0); transition: transform 1.5s var(--ease-out) .35s; }
  .js .edge-grid.in .meter i { transform: none; }
  .js .edge-grid.in::after { animation: sweep-x 1.8s var(--ease) .3s both; }
  .js .notes p { border-left-color: transparent; }
  .js .notes p::before { content: ""; position: absolute; left: -1px; top: 0; bottom: 0; width: 1px; background: linear-gradient(180deg, var(--accent), var(--line2) 60%); transform: scaleY(0); transform-origin: 50% 0; transition: transform 1.2s var(--ease-out) .3s; }
  .js .notes.in p::before { transform: none; }
  .js .who-grid div, .js .timeline li { border-top-color: transparent; }
  .js .who-grid div::before, .js .timeline li::after { content: ""; position: absolute; left: 0; right: 0; top: -1px; height: 1px; background: linear-gradient(90deg, var(--accent), var(--line2) 70%); transform: scaleX(0); transform-origin: 0 50%; transition: transform 1.1s var(--ease-out) calc(var(--rd, 0s) + .1s); }
  .js .timeline li::after { top: -2px; height: 2px; background: linear-gradient(90deg, var(--accent), var(--line2)); }
  .js .who-grid div.in::before, .js .timeline li.in::after { transform: none; }
  .js .timeline li::before { scale: 0; transition: scale .6s var(--ease-out) calc(var(--rd, 0s) + .35s); }
  .js .timeline li.in::before { scale: 1; }
  .timeline li:first-child time::before { animation: ping 2.4s var(--ease) 1.6s infinite; }
  .js .code .cl { clip-path: inset(0 100% 0 0); transition: clip-path .55s var(--ease) calc(var(--li, 0) * 55ms + .35s); }
  .js .card.in .code .cl { clip-path: inset(-2px -2px -2px 0); }
  .js .card.in .code .cl:last-child::after { content: ""; display: inline-block; width: .55em; height: 1.1em; margin-left: 2px; vertical-align: -.2em; background: var(--accent); animation: caret 1.1s step-end infinite; }
  .picks label.flash { animation: pick 1.2s var(--ease); }
  .form-status.ok::before { animation: pop .55s var(--ease-out) both; }
  .contact::before { animation: breathe 9s ease-in-out infinite alternate; }
}
@keyframes bar-in { from { opacity: 0; transform: translateY(-100%); } }
@keyframes wipe { from { clip-path: inset(0 100% 0 0); } to { clip-path: inset(0 0 0 0); } }
@keyframes line-up { from { transform: translateY(118%) rotate(5deg); } }
@keyframes fade-up { from { opacity: 0; transform: translateY(20px); } }
@keyframes glow-in { from { opacity: 0; } }
@keyframes hud-flash { 0% { color: var(--accent2); text-shadow: 0 0 12px var(--accent); } 100% { color: var(--text); text-shadow: none; } }
@keyframes sweep { from { background-position: 100% 0; } to { background-position: 0 0; } }
@keyframes sweep-x { from { transform: translateX(-100%); } to { transform: translateX(100%); } }
@keyframes flow { from { background-position: 0 50%; opacity: 0; } 10% { opacity: 1; } 90% { opacity: 1; } to { background-position: 100% 50%; opacity: 0; } }
@keyframes scan { 0% { opacity: 0; top: -90px; } 10% { opacity: 1; } 85% { opacity: 1; } 100% { opacity: 0; top: 100%; } }
@keyframes blink { 50% { opacity: .2; } }
@keyframes ping { 0% { transform: scale(1); opacity: .9; } 100% { transform: scale(3.2); opacity: 0; } }
@keyframes caret { 50% { opacity: 0; } }
@keyframes pick { 0% { background: rgba(90, 147, 255, .35); box-shadow: 0 0 0 6px rgba(90, 147, 255, .35); } 100% { background: transparent; box-shadow: 0 0 0 6px transparent; } }
@keyframes pop { from { transform: scale(.2); opacity: 0; } }
@keyframes breathe { from { transform: translate(-50%, -50%) scale(.9); opacity: .7; } to { transform: translate(-50%, -50%) scale(1.1); opacity: 1; } }

@media (max-width: 1000px) {
  .sec-head, .layers .two, .cards, .notes, .contact-inner, .faq-list > div { grid-template-columns: minmax(0, 1fr); }
  .sec-head { align-items: start; }
  .proof-grid, .cap-grid, .paper-grid, .who-grid, .timeline, .edge-grid, .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .proof-grid > div:nth-child(2) { border-right: 0; }
  .proof-grid > div:nth-child(-n + 2) { margin-bottom: 20px; }
  .edge-grid div:nth-child(2) { border-right: 0; }
  .edge-grid div:nth-child(-n + 2) { border-bottom: 1px solid var(--line); }
  .timeline { row-gap: 30px; }
  .console-body { grid-template-columns: minmax(0, 1fr); }
  #rp-map { border-right: 0; border-bottom: 1px solid var(--line); }
  .console-side { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 24px; }
  .alts-head, .alts { grid-column: 1 / -1; }
  .alts { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 5px 24px; }
  .plates { height: 520px; }
  .console-stage { --tilt: 12deg; }
  .hero { min-height: 0; padding-top: 110px; }
  /* How it works: the stage pins under the top bar while the steps scroll beneath it */
  .js .how-grid { display: block; }
  .js .stage { top: 64px; z-index: 2; margin-bottom: 8px; box-shadow: 0 18px 40px rgba(7, 9, 12, .9); }
  #how-canvas { aspect-ratio: auto; height: clamp(170px, 30vw, 260px); }
  .js .steps { padding-top: 12px; }
}
@media (min-width: 641px) and (max-width: 1000px) {
  .hud { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); width: 100%; }
  .hud span { border-bottom: 1px solid var(--line2); }
  .hud span:nth-child(3n) { border-right: 0; }
  .hud span:last-child { grid-column: 1 / -1; border-bottom: 0; }
}
@media (max-width: 1000px) and (orientation: portrait) {
  /* Portrait screens: the swarm gets its own stage above the copy (main.js reads the copy's offset) */
  .hero { padding-top: calc(64px + clamp(210px, 44vw, 400px)); }
}
@media (max-width: 640px) {
  .nav a:not(.btn), .nav-ind { display: none; }
  .hud { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); width: 100%; font-size: 10.5px; }
  .hud span { padding: 11px 12px; border-bottom: 1px solid var(--line2); }
  .hud span:nth-child(2n) { border-right: 0; }
  .hud span:last-child { grid-column: 1 / -1; border-bottom: 0; }
  .proof-grid, .cap-grid, .paper-grid, .who-grid, .timeline, .edge-grid, .steps { grid-template-columns: minmax(0, 1fr); }
  .proof-grid > div { border-right: 0; margin-right: 0; padding-right: 0; border-bottom: 1px solid var(--line); padding-bottom: 16px; }
  .proof-grid > div:last-child { border-bottom: 0; }
  .edge-grid div { border-right: 0; border-bottom: 1px solid var(--line); }
  .edge-grid div:last-child { border-bottom: 0; }
  .console-bar { flex-wrap: wrap; row-gap: 4px; }
  .console-bar .mono:nth-child(2) { flex: 1 1 0; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .console-bar span:last-child { flex-basis: 100%; margin-left: 20px; }
  #rp-map { aspect-ratio: 4 / 3; }
  .rp-banner { left: 8px; top: 8px; max-width: calc(100% - 16px); padding: 6px 9px 7px; gap: 2px; font-size: 11.5px; }
  .rp-banner span { font-size: 10px; line-height: 1.4; }
  .kv { flex-direction: column; gap: 2px; }
  .alts { grid-template-columns: minmax(0, 1fr); }
  .console-foot { flex-wrap: wrap; }
  .scrub { flex-basis: 100%; order: 3; }
  .film-log li { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .st { grid-template-columns: minmax(0, 1fr); }
  .code { white-space: pre-wrap; overflow-wrap: anywhere; font-size: 11.5px; padding: 14px 12px; }
  .code .cl { width: auto; padding-left: 2ch; text-indent: -2ch; }
  .st-n { padding: 0 0 10px; }
  .bridge { font-size: 10.5px; letter-spacing: .08em; }
  .bridge .node { padding: 9px 10px; }
  .bridge .link { margin: 0 8px; }
  .plates { height: 380px; }
  .plate { height: 120px; }
  .plate.p1 { --y: -92px; --z: 100px; } .plate.p3 { --y: 92px; --z: -100px; }
  .packet.down { margin-top: -84px; } .packet.up { margin-top: 52px; }
  .stage-bar { flex-wrap: wrap; row-gap: 4px; padding: 9px 12px; }
  .stage-bar #how-status { margin-left: 18px; flex-basis: 100%; text-align: left; }
  .stage-ticks { padding: 9px 12px; }
  .js .steps { padding-left: 28px; }
  .js .steps li::after { left: -28px; }
  .js .steps::before, .js .steps::after { left: 5px; }
  /* Timeline turns vertical */
  .timeline { row-gap: 0; padding-left: 22px; }
  .timeline li { border-top: 0; border-left: 2px solid var(--line2); padding: 0 0 28px 22px; margin-left: 0; }
  .timeline li:last-child { padding-bottom: 0; }
  .timeline li::before, .timeline li:first-child time::before { top: 0; left: -7px; }
  .form, .picks > div { grid-template-columns: minmax(0, 1fr); }
  .form { padding: 18px; }
}
@media (max-width: 640px) and (prefers-reduced-motion: no-preference) {
  .js .timeline li { border-left-color: transparent; }
  .js .timeline li::after { left: -2px; right: auto; top: 0; bottom: 0; width: 2px; height: auto; background: linear-gradient(180deg, var(--accent), var(--line2)); transform: scaleY(0); transform-origin: 50% 0; }
  .js .timeline li.in::after { transform: none; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .packet { animation: none; opacity: 0; }
  .cap, .paper, .btn, .plate, .nav-ind { transition: none; }
}
@media print {
  .topbar, .cta-row, .skip, .bg-grid, .bg-light, #hero-canvas, .hero-glow, .console-foot, .form, .stage { display: none; }
  .hero { min-height: auto; padding-top: 24px; }
  .js [data-reveal] { opacity: 1; translate: none; }
  .console { transform: none; opacity: 1; }
}