/* Approved Field Homepage design. Loaded only by index.html so topic pages stay unchanged. */
:root {
  --paper:#e8e3ca; --card:#f4f0dc; --ink:#202820; --ink-2:#334336; --ink-soft:#596b57;
  --blue:#28634b; --blue-2:#397b58; --rule:rgba(39,58,42,.24);
  --shell:1240px; --pad:clamp(20px,5vw,64px); --ease:cubic-bezier(.22,.68,.28,1); --header-height:82px;
  --font-display:"Sora","DM Sans",sans-serif;
}
* { box-sizing:border-box; }
html { scroll-behavior:smooth; scroll-padding-top:calc(var(--header-height) + 18px); background:#e8e3ca; }
body { margin:0; overflow-x:hidden; background:var(--paper); color:var(--ink); font:300 17px/1.65 "DM Sans",sans-serif; }
img,svg,canvas { display:block; max-width:100%; }
a { color:inherit; text-decoration:none; }
a:focus-visible { outline:3px solid #e8bd58; outline-offset:4px; }
.site-header a:focus-visible,.system-section a:focus-visible { outline-color:var(--blue-2); }
.skip-link { position:fixed; z-index:100; left:12px; top:-60px; background:#e8bd58; color:#263a2b; padding:10px 14px; font-size:13px; font-weight:600; }
.skip-link:focus { top:12px; }
.shell { width:min(var(--shell),calc(100% - var(--pad)*2)); margin-inline:auto; }
.site-header { position:fixed; z-index:50; top:16px; left:50%; transform:translateX(-50%); width:min(var(--shell),calc(100% - var(--pad)*2)); height:var(--header-height); display:flex; align-items:center; justify-content:space-between; gap:20px; padding:10px 24px; border:1px solid rgba(246,239,213,.65); border-radius:24px 64px 24px 64px; background:rgba(232,227,202,.96); box-shadow:0 12px 36px rgba(15,35,24,.2),inset 0 1px 0 rgba(255,255,255,.55); backdrop-filter:blur(18px) saturate(1.08); transition:box-shadow .25s ease; }
.site-header.is-scrolled { box-shadow:0 14px 40px rgba(15,35,24,.3); }
.header-nav { display:flex; align-items:center; gap:4px; }
.header-nav a { display:flex; align-items:center; justify-content:center; min-height:44px; padding:0 18px; border-radius:999px; color:#334336; font-size:12px; font-weight:500; transition:background .2s,color .2s; }
.header-nav a:hover,.header-nav a:focus-visible { background:#d4d8b8; color:#203c2b; }
.site-header .header-cta { border-radius:999px; min-height:48px; }
.brand { display:inline-flex; align-items:center; gap:12px; min-width:0; font-size:12px; font-weight:600; letter-spacing:-.02em; color:#263c2d; }
.brand-logo { width:58px; height:58px; flex:0 0 58px; object-fit:contain; }
.button { min-height:46px; display:inline-flex; align-items:center; justify-content:center; gap:15px; padding:0 18px; border-radius:2px; font-size:12px; font-weight:600; transition:background .2s,transform .2s; }
.button:hover { transform:translateY(-2px); }
.button-dark { background:#263c2d; color:#f4efd9; }
.button-dark:hover { background:#3b5840; }
.header-cta { min-height:42px; white-space:nowrap; }
.button-gold { background:#e8bd58; color:#263a2b; }
.button-gold:hover { background:#f2d17c; }
.eyebrow { margin:0; font:500 10px/1.5 "JetBrains Mono",monospace; letter-spacing:.12em; text-transform:uppercase; color:#556649; }
.text-link { display:inline-flex; align-items:center; gap:10px; border-bottom:1px solid rgba(242,235,210,.56); padding:7px 0; font-size:13px; font-weight:500; color:#f2ebd2; }
.home-hero { position:relative; isolation:isolate; display:flex; align-items:center; overflow:hidden; min-height:max(760px,100svh); padding:calc(var(--header-height) + 62px) 0 108px;
  background:radial-gradient(ellipse at 91% 38%,rgba(228,184,86,.12),transparent 33%),linear-gradient(180deg,#315d40 0%,#294d37 67%,#6d4b30 67.2%,#874c30 72%,#292821 72.2%,#20251f 82%,#4e3929 82.2%,#29231d 89%,#20251f 89.2%); }
.home-hero::before { content:""; position:absolute; z-index:-1; inset:0; pointer-events:none; opacity:.53;
  background:url("../images/carbon-storage.svg?v=flower"),linear-gradient(180deg,transparent 0 63%,rgba(26,32,26,.18) 63.2% 100%);
  background-size:min(42vw,560px) auto,auto;
  background-position:right var(--pad) bottom 8%,0 0;
  background-repeat:no-repeat;
  mask-image:linear-gradient(90deg,transparent 0%,transparent 35%,#000 61%,#000 100%); }
.hero-grid { position:absolute; z-index:-1; inset:0; pointer-events:none; opacity:.085; background-image:linear-gradient(rgba(244,232,201,.4) 1px,transparent 1px),linear-gradient(90deg,rgba(244,232,201,.4) 1px,transparent 1px); background-size:58px 58px; mask-image:linear-gradient(90deg,#000 0%,transparent 75%); }
.field-motes { position:absolute; z-index:-1; inset:0; width:100%; height:100%; pointer-events:none; opacity:.4; }
.hero-inner { position:relative; width:min(1240px,calc(100% - var(--pad)*2)); }
.hero-title { max-width:58%; margin:0; color:#f2ebd2; font-family:var(--font-display); font-size:clamp(48px,6vw,84px); font-weight:600; letter-spacing:-.065em; line-height:1.02; text-wrap:balance; }
.hero-title > span { display:block; }
.hero-title .accent { color:#e8bd58; }
.hero-lead { max-width:min(510px,55%); margin:28px 0 0; color:rgba(245,239,216,.82); font-size:clamp(17px,1.6vw,20px); line-height:1.55; }
.hero-actions { display:flex; flex-wrap:wrap; align-items:center; gap:25px; margin-top:32px; }
.hero-bottom { position:absolute; z-index:1; inset:auto 0 24px; margin-inline:auto; display:flex; justify-content:space-between; gap:16px; color:rgba(242,235,210,.72); font:400 9px "JetBrains Mono",monospace; letter-spacing:.08em; }
.section { padding-block:clamp(82px,11vw,144px); }
.system-section { position:relative; overflow:hidden; background:radial-gradient(ellipse at 100% 12%,rgba(196,173,96,.25),transparent 30%),linear-gradient(180deg,#e8e3ca 0%,#dedfbe 56%,#d0d3ae 100%); }
.system-section > .shell { position:relative; }
.section-heading { max-width:890px; }
.section-heading .eyebrow { margin-bottom:18px; }
.section-heading h2 { margin:0; color:#29372a; font-family:var(--font-display); font-size:clamp(36px,6.2vw,82px); font-weight:500; line-height:1.02; letter-spacing:-.065em; }
.text-blue { color:#28634b; }
.ticker { overflow:hidden; margin:52px calc(var(--pad)*-1) 63px; padding:14px 0; border-block:1px solid rgba(43,69,46,.25); color:#344936; }
.ticker-track { width:max-content; display:flex; align-items:center; gap:26px; animation:ticker 68s linear infinite; font:500 10px "JetBrains Mono",monospace; letter-spacing:.08em; text-transform:uppercase; }
.ticker-track i { color:#a85031; font-style:normal; }
@keyframes ticker { to { transform:translateX(-50%); } }
.system-network { position:relative; display:grid; gap:24px; isolation:isolate; }
.network-wires { position:absolute; z-index:-1; inset:0; width:100%; height:100%; overflow:visible; pointer-events:none; }
.network-wire { fill:none; stroke:rgba(55,79,50,.34); stroke-width:1; }
.network-dot { fill:#b45734; }
.ring-row { display:grid; justify-items:center; align-items:start; grid-template-columns:repeat(4,minmax(0,1fr)); gap:24px; }
.ring-row-bottom { width:100%; margin-inline:auto; }
.system-circle { --c1:#d65a3a; --c2:#b03f22; position:relative; z-index:1; width:min(100%,220px); aspect-ratio:1; display:flex; flex-direction:column; align-items:center; justify-content:center; gap:4px; padding:18px; border:1px solid rgba(49,75,48,.24); border-radius:50%; background:#f2efdc; text-align:center; box-shadow:0 18px 40px rgba(50,68,42,.1); transition:transform .28s var(--ease),box-shadow .28s,border-color .28s; }
.system-circle::before { content:""; position:absolute; inset:-6px; border:2px solid transparent; border-radius:50%; background:conic-gradient(var(--c1),var(--c2) 24%,transparent 49%,transparent 100%) border-box; -webkit-mask:linear-gradient(#fff 0 0) padding-box,linear-gradient(#fff 0 0); -webkit-mask-composite:xor; mask-composite:exclude; opacity:0; transform:rotate(-24deg); transition:opacity .28s,transform .5s var(--ease); pointer-events:none; }
a.system-circle:hover,a.system-circle:focus-visible { transform:translateY(-5px); border-color:transparent; box-shadow:0 23px 46px rgba(50,68,42,.18); }
a.system-circle:hover::before,a.system-circle:focus-visible::before { opacity:1; transform:rotate(12deg); }
.circle-index { position:absolute; top:12px; left:18px; color:#6c765d; font:400 9px/13px "JetBrains Mono",monospace; }
.circle-icon,.circle-count { flex-shrink:0; height:30px; display:grid; place-items:center; color:#28634b; font-size:25px; line-height:30px; }
.circle-count { font-family:var(--font-display); font-size:28px; font-weight:500; letter-spacing:-.07em; }
.system-circle strong { flex-shrink:0; width:100%; max-width:16ch; min-height:4.5em; display:grid; align-content:center; color:#2c382d; font-size:11px; font-weight:700; line-height:1.12; letter-spacing:.04em; }
.circle-copy { flex-shrink:0; width:100%; max-width:24ch; min-height:4.05em; display:grid; align-content:center; color:#63705c; font-size:10px; line-height:1.35; }
.circle-tags { display:flex; justify-content:center; gap:6px; margin-top:0; color:#728063; font:400 7px/1.4 "JetBrains Mono",monospace; }
.circle-tags i { font-style:normal; }
.registry-card strong { min-height:3.4em; }
.registry-card .circle-copy { min-height:0; font-size:9px; overflow-wrap:anywhere; }
.registry-standards { display:flex; flex-direction:column; align-items:center; gap:2px; margin:3px 0 0; padding:0; color:#63705c; font:400 7px/1.2 "JetBrains Mono",monospace; list-style:none; text-transform:uppercase; }
.chain-breadcrumb { display:flex; flex-wrap:wrap; align-items:center; justify-content:center; gap:8px 12px; margin:66px 0 0; padding:17px 10px; border-block:1px solid rgba(54,77,47,.24); color:#5d6a50; font:400 9px "JetBrains Mono",monospace; text-transform:uppercase; }
.chain-breadcrumb b { color:#a85031; font-size:14px; font-weight:400; }
.site-footer { background:#20251f; color:#f1ebd5; }
.footer-top { display:grid; grid-template-columns:.8fr 1.2fr; gap:8vw; padding-block:58px 48px; }
.footer-lockup .brand { color:#f1ebd5; }
.footer-lockup > p { margin:29px 0 0; font-family:var(--font-display); font-size:clamp(20px,3vw,30px); font-weight:600; line-height:1.05; letter-spacing:-.045em; }
.footer-lockup > p span { color:#dfb34d; }
.footer-links { display:grid; grid-template-columns:repeat(3,1fr); gap:20px; }
.footer-links > div { display:grid; align-content:start; gap:11px; }
.footer-links b { margin-bottom:7px; color:#d8bd74; font:500 9px "JetBrains Mono",monospace; letter-spacing:.12em; }
.footer-links a { width:fit-content; color:rgba(241,235,213,.76); font-size:12px; transition:color .2s; }
.footer-links a:hover { color:#f1d581; }
.footer-links a:focus-visible,.footer-lockup a:focus-visible { outline-color:#e8bd58; }
[data-reveal].is-revealed { animation:field-reveal .6s var(--ease); }
@keyframes field-reveal {
  from { opacity:.75; transform:translateY(8px); }
  to { opacity:1; transform:translateY(0); }
}
@media (max-width:1000px) {
  .network-wires { display:none; }
  .ring-row { grid-template-columns:repeat(2,minmax(0,1fr)); gap:20px 12px; }
  .ring-row-bottom { width:100%; }
  .system-circle { width:min(100%,240px); }
  .site-header { gap:12px; padding-inline:18px; }
  .header-nav a { padding-inline:12px; }
}
@media (max-width:820px) {
  :root { --header-height:126px; }
  .site-header { top:12px; display:grid; grid-template-columns:minmax(0,1fr) auto; gap:6px 12px; padding:10px 14px; border-radius:20px 44px 20px 44px; }
  .header-nav { grid-column:1 / -1; grid-row:2; justify-content:center; padding:0; }
  .header-nav a { flex:1; min-height:40px; }
  .site-header .header-cta { min-height:44px; }
  .home-hero { min-height:max(740px,100svh); align-items:flex-start; padding-top:calc(var(--header-height) + 60px); }
  .hero-title { max-width:82%; }
  .hero-lead { max-width:65%; }
  .hero-bottom span:nth-child(2) { display:none; }
  .footer-top { grid-template-columns:1fr; gap:40px; }
}
@media (max-width:560px) {
  :root { --pad:20px; }
  .brand { gap:8px; font-size:10px; }
  .brand-logo { width:50px; height:50px; flex-basis:50px; }
  .site-header { padding:10px; gap:6px 8px; }
  .site-header .brand { line-height:1.3; }
  .site-header .brand-logo { width:42px; height:42px; flex-basis:42px; }
  .header-nav a { min-height:44px; font-size:12px; }
  .header-cta { min-height:38px; gap:7px; padding-inline:10px; font-size:9px; }
  .home-hero { min-height:max(790px,100svh); padding-top:calc(var(--header-height) + 48px); padding-bottom:230px; background:radial-gradient(ellipse at 100% 52%,rgba(82,119,76,.5),transparent 46%),linear-gradient(180deg,#315d40 0%,#294d37 65%,#6d4b30 65.2%,#874c30 70%,#292821 70.2%,#20251f 82%,#4e3929 82.2%,#29231d 89%,#20251f 89.2%); }
  .home-hero::before { opacity:.36; background-size:210px auto,auto; background-position:right var(--pad) bottom 30px,0 0; mask-image:linear-gradient(180deg,transparent 0%,transparent 55%,#000 72%); }
  .hero-title { max-width:100%; font-size:clamp(36px,10vw,48px); line-height:1.04; }
  .hero-lead { max-width:100%; margin-top:24px; }
  .hero-actions { flex-direction:column; align-items:flex-start; gap:13px; margin-top:25px; }
  .hero-bottom { font-size:7px; }
  .hero-bottom span:last-child { display:none; }
  .ticker { margin-top:37px; margin-bottom:45px; }
  .system-network { gap:14px; }
  .ring-row { gap:14px 7px; }
  .system-circle { width:min(100%,200px); padding:12px; gap:3px; }
  .circle-index { top:9px; left:13px; }
  .circle-icon,.circle-count { height:26px; line-height:26px; }
  .circle-count { font-size:26px; }
  .system-circle strong { font-size:9.5px; }
  .circle-copy { font-size:9px; }
  .circle-tags { font-size:7px; }
  .chain-breadcrumb { justify-content:flex-start; font-size:8px; }
  .footer-links { gap:12px; }
  .footer-links a { font-size:10px; }
}
@media (max-width:359px) {
  .site-header { gap:6px; padding-inline:8px; }
  .site-header .brand { gap:5px; font-size:9px; }
  .site-header .brand-logo { width:34px; height:34px; flex-basis:34px; }
  .header-cta { padding-inline:8px; font-size:8px; }
  .ring-row { grid-template-columns:1fr; }
  .system-circle { width:220px; }
  .footer-links { grid-template-columns:repeat(2,minmax(0,1fr)); gap:24px 16px; }
}
@media (prefers-reduced-motion:reduce) {
  html { scroll-behavior:auto; }
  *,*::before,*::after { animation:none !important; transition-duration:.01ms !important; }
}