/* Equator design tokens. The ONLY file allowed to contain colour literals.

   PALETTE PROVENANCE (sampled from real assets; replaces the achromatic placeholder)
   Method: pooled k-means, k=8, seed 0, over opaque pixels of brand/LOGO EQUATOR PNG...png and
   reference/EQUATOR 1-6.jpg.jpeg (6000 pixels per image). Each centroid is snapped to the nearest
   real pixel of its cluster; the source pixel is listed as file @(x,y).
     #14281d  EQUATOR 1.jpg.jpeg @(306,683)    71.1%  background field
     #b6e0b7  LOGO EQUATOR PNG...png @(836,1387) 14.7%  logo mark
     #1b3729  EQUATOR 1.jpg.jpeg @(1575,724)    6.5%  raised panel
     #e1f4f2  EQUATOR 1.jpg.jpeg @(245,348)     2.3%  headline text
     #88d6a4  EQUATOR 3.jpg.jpeg @(1203,242)    2.2%  bright green accent
     #7bbc92  EQUATOR 6.jpg.jpeg @(1322,469)    1.7%  mid green
     #29503e  EQUATOR 2.jpg.jpeg @(1407,701)    1.0%  deep green panel
   (#558b6b @ EQUATOR 6.jpg.jpeg (1184,560), 0.4%, sampled but unused.)
   --line and --line-strong are --ink (#e1f4f2) with alpha 1f / 42; alpha is a design choice, hue is sampled.
   Regenerate the list with: python scripts/sample-brand.py palette */
:root {
  color-scheme: dark;

  --bg: #14281d;
  --surface: #1b3729;
  --surface-2: #29503e;
  --line: #e1f4f21f;
  --line-strong: #e1f4f242;
  --ink: #e1f4f2;
  --brand: #b6e0b7;
  --ink-2: var(--brand);
  --muted: #7bbc92;
  --accent: #88d6a4;

  --font-display: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  --font-body: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, "SF Mono", "Cascadia Mono", Menlo, Consolas, monospace;

  --ease: cubic-bezier(0.2, 0.7, 0.1, 1);
  --t-fast: 160ms;
  --t-mid: 360ms;
  --t-slow: 800ms;
  --max: 1240px;
}

/* Equator styles. No colour literals here: every colour comes from tokens.css.
   Motion language: transform + opacity only, one easing, three durations. */

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 0; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 400 16px/1.6 var(--font-body); -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
h1, h2, h3, p, dl, dd, ul { margin: 0; padding: 0; }
ul { list-style: none; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.skip { position: fixed; left: 12px; top: -80px; z-index: 100; padding: 12px 16px; background: var(--ink); color: var(--bg); border-radius: 8px; }
.skip:focus { top: 12px; }
.dim { color: var(--muted); }
.mono { font-family: var(--font-mono); }
.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 20px; position: relative; z-index: 2; }
.sep { margin: 0 10px; color: var(--muted); }

/* ---------- header: brand / nav / socials, then the CA slot ---------- */
:root { --top-h: 172px; }
.top {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  padding: 10px 12px 0; pointer-events: none;
}
.top > * { pointer-events: auto; max-width: var(--max); margin-inline: auto; }
.top__bar {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  min-height: 56px; padding: 4px 6px 4px 16px; border-radius: 999px;
  background: color-mix(in srgb, var(--surface) 82%, transparent);
  border: 1px solid var(--line); backdrop-filter: blur(14px);
}
.brand { display: inline-flex; align-items: center; gap: 10px; min-height: 48px; font: 700 18px/1 var(--font-display); letter-spacing: -0.01em; }
.brand__mark { display: block; transition: transform var(--t-mid) var(--ease); }
.brand:hover .brand__mark { transform: scale(1.1); }
.nav { display: none; gap: 4px; }
.nav a {
  display: inline-flex; align-items: center; min-height: 48px; padding: 0 16px; border-radius: 999px;
  color: var(--ink); opacity: 0.7; font-size: 14px; transition: opacity var(--t-fast) var(--ease), transform var(--t-fast) var(--ease);
}
.nav a:hover { opacity: 1; transform: translateY(-1px); }
.socials { display: flex; gap: 2px; }
.social {
  display: inline-flex; align-items: center; justify-content: center; width: 48px; height: 48px; border-radius: 50%;
  color: var(--ink); position: relative; isolation: isolate; transition: transform var(--t-fast) var(--ease);
}
.social::after {
  content: ""; position: absolute; inset: 4px; border-radius: 50%; background: var(--ink); opacity: 0;
  transition: opacity var(--t-fast) var(--ease); z-index: -1;
}
.social:not(.is-inert):hover { transform: translateY(-2px); }
.social:not(.is-inert):hover::after { opacity: 0.14; }
.social.is-inert { color: var(--muted); opacity: 0.55; cursor: not-allowed; }
.top__ca { margin-top: 8px; }

/* ---------- CA slot ---------- */
.ca {
  --pad: 12px 16px;
  position: relative; display: grid; grid-template-columns: 1fr auto; grid-template-areas: "label action" "addr addr";
  align-items: center; gap: 2px 12px; width: 100%; padding: var(--pad); text-align: left; overflow: hidden;
  border-radius: 20px; border: 1px solid var(--line-strong);
  background: color-mix(in srgb, var(--surface) 88%, transparent); backdrop-filter: blur(14px);
  transition: transform var(--t-mid) var(--ease);
}
.ca__label { grid-area: label; font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); }
.ca__addr {
  grid-area: addr; font: 600 clamp(15px, 1.2vw + 10px, 26px)/1.35 var(--font-mono);
  color: var(--accent); overflow-wrap: anywhere; word-break: break-all; min-width: 0;
}
.ca__addr--pending { color: var(--muted); font-family: var(--font-display); font-weight: 500; letter-spacing: -0.01em; }
.ca--absent { border-style: dashed; cursor: default; }
.ca__ch { display: inline-block; }
.ca__action { grid-area: action; display: inline-flex; align-items: center; gap: 8px; min-height: 48px; padding: 0 4px; color: var(--ink-2); font-size: 13px; position: relative; }
.ca__ic { display: block; transition: transform var(--t-mid) var(--ease), opacity var(--t-fast) var(--ease); }
.ca__ic--check { position: absolute; left: 4px; opacity: 0; transform: scale(0.5); }
.ca__hint { min-width: 48px; text-align: right; }
.ca--stated { cursor: pointer; }
.ca--stated::before, .ca__bloom {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0; border-radius: inherit;
  background: radial-gradient(60% 140% at 30% 50%, color-mix(in srgb, var(--accent) 22%, transparent), transparent 70%);
}
.ca--stated::before { transition: opacity var(--t-mid) var(--ease); }
.ca--stated:hover { transform: translateY(-2px); }
.ca--stated:hover::before { opacity: 0.7; }
.ca--stated:active { transform: translateY(0) scale(0.995); }
.ca--stated.is-copied .ca__ic--copy { opacity: 0; transform: scale(0.5); }
.ca--stated.is-copied .ca__ic--check { opacity: 1; transform: scale(1); }
.ca--stated.is-copied .ca__action { color: var(--accent); }

/* bloom, then type: chars fade in one by one, the glow blooms once, then the slot rests */
.js .ca--stated .ca__ch { opacity: 0; transform: translateY(6px); }
.js .ca--stated.is-in .ca__ch { animation: ch var(--t-mid) var(--ease) both; animation-delay: calc(240ms + var(--i) * 18ms); }
.js .ca--stated.is-in .ca__bloom { animation: bloom 1600ms var(--ease) both; }
@keyframes ch { to { opacity: 1; transform: none; } }
@keyframes bloom { 0% { opacity: 0; } 30% { opacity: 1; } 100% { opacity: 0; } }

/* ---------- scenes ---------- */
.scene {
  position: relative; min-height: 100svh; display: flex; align-items: center;
  padding: calc(var(--top-h, 172px) + 24px) 0 96px; overflow: hidden;
}
.scene + .scene { border-top: 1px solid var(--line); }
.eyebrow { font-size: 12px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted); margin-bottom: 16px; }
.title { font: 700 clamp(2rem, 5vw, 4rem)/1.05 var(--font-display); letter-spacing: -0.03em; }
.lede { margin-top: 20px; max-width: 34em; color: var(--ink-2); font-size: clamp(1rem, 1.1vw + 0.7rem, 1.2rem); }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 48px; padding: 0 24px;
  border-radius: 999px; border: 1px solid var(--line-strong); font-weight: 600; font-size: 15px;
  position: relative; isolation: isolate; transition: transform var(--t-fast) var(--ease);
}
.btn::after { content: ""; position: absolute; inset: -1px; border-radius: inherit; background: var(--ink); opacity: 0; transition: opacity var(--t-fast) var(--ease); z-index: -1; }
.btn:hover { transform: translateY(-2px); }
.btn:hover::after { opacity: 0.1; }
.btn--solid { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.btn--solid::after { background: var(--accent); }
.btn--solid:hover::after { opacity: 0.35; }

/* hero */
.scene--hero { align-items: flex-end; }
.hero__title { font: 700 clamp(2.4rem, 7.4vw, 6rem)/1.02 var(--font-display); letter-spacing: -0.035em; }
.hero__title .line { display: block; }
.hero__lede { margin-top: 24px; max-width: 30em; color: var(--ink-2); font-size: clamp(1rem, 1vw + 0.75rem, 1.15rem); }
.hero__cta { margin-top: 32px; display: flex; flex-wrap: wrap; gap: 12px; }
.stats { margin-top: 44px; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px 24px; max-width: 720px; }
.stat { border-top: 1px solid var(--line-strong); padding-top: 12px; min-width: 0; }
.stat dt { font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); }
.stat dd { font: 700 clamp(1rem, 2.4vw, 1.6rem)/1.3 var(--font-display); margin-top: 4px; overflow-wrap: anywhere; }
.val { display: inline-block; font-variant-numeric: tabular-nums; }
.val.tick { animation: tick var(--t-mid) var(--ease); }
@keyframes tick { from { opacity: 0.25; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* network grid */
.grid { margin-top: 40px; display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 240px), 1fr)); gap: 12px; }
.cell, .card {
  position: relative; padding: 20px 22px; border-radius: 20px; background: var(--surface); border: 1px solid var(--line);
  transition: transform var(--t-mid) var(--ease);
}
.cell::after, .card::after, .reg__row::after {
  content: ""; position: absolute; inset: -1px; border-radius: inherit; pointer-events: none; opacity: 0;
  border: 1px solid var(--line-strong);
  background: radial-gradient(80% 90% at 50% 0%, color-mix(in srgb, var(--accent) 9%, transparent), transparent 70%);
  transition: opacity var(--t-mid) var(--ease);
}
.cell:hover, .card:hover { transform: translateY(-3px); }
.cell:hover::after, .card:hover::after, .reg__row:hover::after { opacity: 1; }
.cell h3 { font: 500 13px/1.3 var(--font-body); color: var(--muted); letter-spacing: 0.04em; }
.cell__v { margin-top: 8px; font: 700 clamp(1.4rem, 2.2vw, 2rem)/1.2 var(--font-display); letter-spacing: -0.02em; overflow-wrap: anywhere; }
.cell__note { margin-top: 6px; font-size: 12px; color: var(--muted); }
.cell--wide { grid-column: 1 / -1; }
.status { margin-top: 24px; display: flex; flex-wrap: wrap; align-items: center; gap: 4px 0; font-size: 13px; color: var(--muted); }
.status__dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); margin-right: 10px; animation: pulse 2.4s var(--ease) infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; transform: scale(1); } 50% { opacity: 0.35; transform: scale(0.7); } }

/* contract scene */
.split { display: grid; gap: 40px; align-items: center; }
.card__h { font: 600 15px/1.3 var(--font-display); margin-bottom: 8px; }
.kv > div { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 4px 16px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.kv dt { color: var(--muted); font-size: 14px; }
.kv dd { font-weight: 600; min-width: 0; }
.mono.brk { overflow-wrap: anywhere; font-size: 14px; }
.fine { margin-top: 16px; font-size: 13px; color: var(--muted); }

/* register */
.reg { margin-top: 40px; display: grid; gap: 10px; }
.reg__row {
  position: relative; display: grid; grid-template-columns: 1fr; gap: 4px 20px; align-items: center;
  padding: 18px 22px; border-radius: 18px; background: var(--surface); border: 1px solid var(--line);
  transition: transform var(--t-mid) var(--ease);
}
.reg__row:hover { transform: translateY(-2px); }
.reg__name { font-size: 13px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.reg__val { font-weight: 600; min-width: 0; overflow-wrap: anywhere; }
.reg__link { text-decoration: underline; text-underline-offset: 4px; display: inline-flex; align-items: center; min-height: 48px; min-width: 48px; }
.reg__state { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; color: var(--ink-2); }
.reg__dot { width: 8px; height: 8px; border-radius: 50%; border: 1.5px solid var(--muted); }
.reg__row[data-state="stated"] .reg__dot { background: var(--accent); border-color: var(--accent); }
.reg__row[data-state="unconfirmed"] .reg__dot { border-style: dashed; }

/* end */
.scene--end .end { text-align: left; }
.foot { margin-top: 72px; font-size: 13px; color: var(--muted); }

/* ---------- globe: 3D CSS wireframe, transform + opacity only ---------- */
.globe {
  --g: min(78vmin, 760px);
  position: absolute; z-index: 1; width: var(--g); height: var(--g); right: -8%; top: 50%; margin-top: calc(var(--g) * -0.42);
  perspective: 1400px; pointer-events: none;
}
.globe__disc {
  position: absolute; inset: 0; border-radius: 50%; border: 1px solid var(--line-strong);
  background: radial-gradient(circle at 34% 28%, color-mix(in srgb, var(--surface-2) 90%, var(--ink)) 0%, var(--surface) 38%, var(--bg) 78%);
  opacity: 0.85;
}
.globe__rig { position: absolute; inset: 0; transform-style: preserve-3d; transform: rotateX(-16deg) rotateZ(-14deg); }
.mer, .lat, .eq__ring {
  position: absolute; inset: 0; margin: auto; border-radius: 50%; border: 1px solid var(--line-strong); display: block;
}
.mer { width: var(--g); height: var(--g); animation: spin 36s linear infinite; animation-delay: calc(var(--d) * -6s); opacity: 0.7; }
@keyframes spin { from { transform: rotateY(0deg); } to { transform: rotateY(180deg); } }
.lat {
  width: calc(var(--g) * var(--s)); height: calc(var(--g) * var(--s));
  transform: translate3d(0, calc(var(--g) * var(--y) * -1), 0) rotateX(90deg); opacity: 0.55;
}
.eq { position: absolute; inset: 0; transform-style: preserve-3d; transform: rotateX(90deg); }
.eq__ring { width: var(--g); height: var(--g); border-color: var(--accent); border-width: 1.5px; animation: eqglow 5s var(--ease) infinite; }
@keyframes eqglow { 0%, 100% { opacity: 1; } 50% { opacity: 0.45; } }
.eq__spin { position: absolute; inset: 0; display: block; animation: spinz 14s linear infinite; }
@keyframes spinz { to { transform: rotateZ(360deg); } }
.eq__dot { position: absolute; left: 50%; top: -6px; width: 12px; height: 12px; margin-left: -6px; border-radius: 50%; background: var(--accent); }
.eq__dot::after { content: ""; position: absolute; inset: -8px; border-radius: 50%; background: var(--accent); opacity: 0.18; }

/* ---------- rail: scene counter + prev/next ---------- */
.rail {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 40; padding: 0 16px calc(12px + env(safe-area-inset-bottom));
  display: flex; align-items: center; justify-content: space-between; pointer-events: none;
}
.rail > * { pointer-events: auto; }
.rail__count { font: 600 14px/1 var(--font-display); padding: 0 16px; min-height: 48px; display: inline-flex; align-items: center; border-radius: 999px; background: color-mix(in srgb, var(--surface) 82%, transparent); border: 1px solid var(--line); backdrop-filter: blur(14px); }
.rail__label { margin-left: 14px; color: var(--ink-2); font-weight: 500; }
.rail__btns { display: flex; gap: 8px; }
.rail__btn {
  width: 48px; height: 48px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; font-size: 18px;
  background: color-mix(in srgb, var(--surface) 82%, transparent); border: 1px solid var(--line-strong); backdrop-filter: blur(14px);
  transition: transform var(--t-fast) var(--ease);
}
.rail__btn:hover { transform: translateY(-2px); }
.rail__btn[disabled] { opacity: 0.35; cursor: default; transform: none; }

/* ---------- entrance choreography ---------- */
.js [data-intro], .js [data-reveal] { opacity: 0; transform: translateY(18px); }
.js .top[data-intro] { transform: translateY(-14px); }
.js .globe[data-intro] { transform: scale(0.94); }
.js.is-ready [data-intro], .js [data-reveal].is-in {
  opacity: 1; transform: none;
  transition: opacity var(--t-slow) var(--ease), transform var(--t-slow) var(--ease);
  transition-delay: calc(var(--i, 0) * 90ms);
}
.js .cell[data-reveal].is-in, .js .reg__row[data-reveal].is-in { transition: opacity var(--t-slow) var(--ease), transform var(--t-mid) var(--ease); transition-delay: calc(var(--i, 0) * 70ms), 0ms; }
.js .cell[data-reveal].is-in:hover, .js .reg__row[data-reveal].is-in:hover { transition-delay: 0ms; }

/* ---------- breakpoints ---------- */
@media (min-width: 720px) {
  .wrap { padding: 0 32px; }
  .top { padding: 14px 20px 0; }
  .ca { --pad: 14px 22px; grid-template-columns: auto 1fr auto; grid-template-areas: "label addr action"; gap: 16px; }
  .reg__row { grid-template-columns: 200px 1fr auto; padding: 14px 24px; }
}
@media (min-width: 900px) {
  .nav { display: flex; }
  .split { grid-template-columns: 1.1fr 0.9fr; gap: 64px; }
}
@media (min-width: 1200px) { .ca { grid-template-columns: auto 1fr auto; } }
@media (max-width: 719px) {
  :root { --top-h: 176px; }
  .globe { --g: 118vw; right: -34%; top: auto; bottom: 8%; margin-top: 0; opacity: 0.5; }
  .scene { padding-bottom: 104px; }
  .stats { gap: 10px 14px; }
}
@media (min-width: 1024px) and (hover: hover) {
  html { scroll-snap-type: y proximity; }
  .scene { scroll-snap-align: start; }
}
@media (max-height: 700px) and (min-width: 720px) {
  .scene { padding-bottom: 88px; }
  .hero__title { font-size: clamp(2.2rem, 6vw, 4.4rem); }
  .stats { margin-top: 28px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; scroll-snap-type: none; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .js [data-intro], .js [data-reveal], .js .ca--stated .ca__ch { opacity: 1 !important; transform: none !important; }
  .globe__rig .mer { transform: rotateY(calc(var(--d) * 30deg)); }
}