/* FLAIR-GG site stylesheet (index.html). Other pages still use ../flexbox.css. */

:root {
  --forest: #123d24;
  --forest-2: #1b5a34;
  --leaf: #1f8a47;
  --leaf-bright: #2fb35d;
  --leaf-tint: #e6f2ea;
  --seed: #b8862f;
  --seed-tint: #f6ecd8;
  --paper: #f8f6f0;
  --surface: #ffffff;
  --ink: #1c2420;
  --ink-2: #4a554f;
  --ink-3: #75807a;
  --line: #e3e0d6;
  --line-2: #d2cec1;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(18, 61, 36, .06), 0 8px 24px -12px rgba(18, 61, 36, .18);
  --maxw: 1160px;
  --serif: "Fraunces", Georgia, "Times New Roman", serif;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 84px; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg { max-width: 100%; display: block; }

a { color: var(--leaf); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--forest-2); }

code, .mono { font-family: var(--mono); font-size: .88em; }
code { background: var(--leaf-tint); color: var(--forest); padding: .1em .4em; border-radius: 5px; }

h1, h2, h3 { font-family: var(--serif); font-weight: 600; letter-spacing: -.015em; line-height: 1.15; margin: 0; color: var(--forest); }
h2 { font-size: clamp(1.9rem, 1.3rem + 2vw, 2.7rem); }
h3 { font-size: 1.25rem; }
p { margin: 0 0 1em; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
@media (max-width: 600px) { .wrap { padding: 0 16px; } }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: saturate(1.4) blur(10px);
  -webkit-backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap { display: flex; align-items: center; gap: 28px; height: 68px; }
.brand img { height: 38px; width: auto; }
.nav { display: flex; gap: 22px; margin-left: auto; font-size: .92rem; font-weight: 500; }
.nav a { color: var(--ink-2); text-decoration: none; }
.nav a:hover { color: var(--leaf); }
@media (max-width: 920px) { .nav { display: none; } .site-header .btn { margin-left: auto; } }
@media (max-width: 420px) { .brand img { height: 28px; } }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: .5em;
  padding: .72em 1.25em; border-radius: 999px;
  font-weight: 600; font-size: .95rem; text-decoration: none; line-height: 1.2;
  border: 1.5px solid transparent; transition: background .18s, color .18s, border-color .18s, transform .18s;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--leaf); color: #fff; }
.btn-primary:hover { background: var(--forest-2); color: #fff; }
.btn-ghost { border-color: var(--line-2); color: var(--forest); background: var(--surface); }
.btn-ghost:hover { border-color: var(--leaf); color: var(--leaf); }
.btn-sm { padding: .5em 1em; font-size: .88rem; }
.btn .arrow { transition: transform .18s; }
.btn:hover .arrow { transform: translateX(3px); }

/* ---------- hero ---------- */
.hero { position: relative; overflow: hidden; padding: 72px 0 56px; }
.hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(900px 480px at 85% 20%, rgba(47, 179, 93, .12), transparent 60%),
    radial-gradient(700px 420px at 0% 100%, rgba(184, 134, 47, .10), transparent 60%);
}
.hero .wrap { position: relative; display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center; }
.eyebrow {
  display: inline-flex; align-items: center; gap: .55em;
  font-size: .78rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--leaf);
  margin-bottom: 18px;
}
.eyebrow::before { content: ""; width: 22px; height: 2px; background: currentColor; border-radius: 2px; }
.hero h1 { font-size: clamp(2.3rem, 1.4rem + 3.4vw, 3.9rem); line-height: 1.06; margin-bottom: 22px; }
.hero h1 em { font-style: italic; color: var(--leaf); font-weight: 500; }
@media (min-width: 600px) { .hero h1 .nw { white-space: nowrap; } }
.lede { font-size: 1.16rem; color: var(--ink-2); max-width: 36em; margin-bottom: 30px; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-art { position: relative; }
.hero-art svg { width: 100%; height: auto; }
@media (max-width: 920px) {
  .hero { padding: 48px 0 32px; }
  .hero .wrap { grid-template-columns: 1fr; gap: 24px; }
  .hero-art { max-width: 480px; margin: 0 auto; width: 100%; }
}

/* network graphic */
.net-line { stroke: var(--leaf); stroke-width: 1.4; opacity: .55; }
.net-line.live { stroke-dasharray: 4 6; animation: flow 2.4s linear infinite; }
.net-line.pending { stroke: var(--ink-3); stroke-dasharray: 2 5; opacity: .45; }
.net-node { fill: var(--surface); stroke: var(--leaf); stroke-width: 2; }
.net-node.pending { stroke: var(--ink-3); stroke-dasharray: 3 3; fill: var(--paper); }
.net-dot { fill: var(--leaf); }
.net-label { font: 600 13px var(--sans); fill: var(--forest); }
.net-label.muted { fill: var(--ink-3); font-weight: 500; font-size: 12px; }
.hub-ring { fill: none; stroke: var(--leaf-bright); stroke-width: 1.5; opacity: .5; transform-origin: 260px 230px; animation: pulse 3.2s ease-out infinite; }
@keyframes flow { to { stroke-dashoffset: -20; } }
@keyframes pulse { 0% { transform: scale(1); opacity: .55; } 100% { transform: scale(1.7); opacity: 0; } }
@media (prefers-reduced-motion: reduce) {
  .net-line.live, .hub-ring { animation: none; }
  html { scroll-behavior: auto; }
  .btn:hover { transform: none; }
}

/* ---------- stats ---------- */
.stats { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--surface); }
.stats .wrap { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat { padding: 28px 24px; border-left: 1px solid var(--line); }
.stat:first-child { border-left: 0; padding-left: 0; }
.stat .num { font-family: var(--serif); font-size: 2.6rem; font-weight: 600; color: var(--forest); line-height: 1; letter-spacing: -.02em; }
.stat .num small { font-size: .5em; color: var(--leaf); font-weight: 500; margin-left: .15em; }
.stat .lbl { margin-top: 8px; font-size: .9rem; color: var(--ink-2); line-height: 1.4; }
@media (max-width: 820px) {
  .stats .wrap { grid-template-columns: repeat(2, 1fr); }
  .stat { padding: 22px 16px; }
  .stat:nth-child(odd) { border-left: 0; padding-left: 0; }
  .stat:nth-child(n+3) { border-top: 1px solid var(--line); }
}

/* ---------- sections ---------- */
section.block { padding: 96px 0; }
section.block.alt { background: var(--surface); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
section.block.dark { background: var(--forest); color: #dbe9df; }
section.block.dark h2, section.block.dark h3 { color: #fff; }
section.block.dark a { color: #8ee0a9; }
@media (max-width: 700px) { section.block { padding: 64px 0; } }

.section-head { max-width: 760px; margin-bottom: 48px; }
.section-head p { font-size: 1.1rem; color: var(--ink-2); margin-top: 16px; }
.dark .section-head p { color: #b7cdbd; }
.dark .eyebrow { color: #8ee0a9; }

.grid { display: grid; gap: 22px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 920px) { .grid-3 { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px) { .grid-3, .grid-2 { grid-template-columns: 1fr; } }

.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px; box-shadow: var(--shadow);
}
.alt .card { background: var(--paper); box-shadow: none; }
.card h3 { margin-bottom: 10px; }
.card p { color: var(--ink-2); font-size: .98rem; }
.card p:last-child { margin-bottom: 0; }
.icon {
  width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center;
  background: var(--leaf-tint); color: var(--leaf); margin-bottom: 18px;
}
.icon svg { width: 22px; height: 22px; }

.cite {
  margin-top: 32px; display: grid; grid-template-columns: 150px 1fr; gap: 8px 24px; align-items: baseline;
  border-left: 3px solid var(--seed); background: var(--seed-tint); border-radius: 0 12px 12px 0; padding: 20px 24px;
}
.cite-lbl { font: 600 .76rem var(--sans); letter-spacing: .12em; text-transform: uppercase; color: var(--seed); }
.cite p { margin: 0; font-size: .95rem; color: var(--ink-2); }
.cite strong { color: var(--ink); font-weight: 600; }
@media (max-width: 640px) { .cite { grid-template-columns: 1fr; } }

/* ---------- network members ---------- */
.members { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
@media (max-width: 920px) { .members { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .members { grid-template-columns: 1fr; } }
.member {
  display: flex; gap: 14px; align-items: flex-start; text-decoration: none;
  padding: 18px 20px; border-radius: 12px; background: var(--paper); border: 1px solid var(--line);
  transition: border-color .18s, transform .18s, box-shadow .18s; color: var(--ink);
}
a.member:hover { border-color: var(--leaf); transform: translateY(-2px); box-shadow: var(--shadow); color: var(--ink); }
.member .pin { flex: none; width: 10px; height: 10px; margin-top: 8px; border-radius: 50%; background: var(--leaf-bright); box-shadow: 0 0 0 4px rgba(47, 179, 93, .18); }
.member strong { display: block; font-weight: 600; line-height: 1.35; }
.member span { font-size: .84rem; color: var(--ink-3); }
.member.pending { border-style: dashed; background: transparent; }
.member.pending .pin { background: var(--seed); box-shadow: 0 0 0 4px rgba(184, 134, 47, .18); }

.subhead { font: 600 .78rem var(--sans); letter-spacing: .12em; text-transform: uppercase; color: var(--ink-3); margin: 44px 0 16px; }

.resources { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
@media (max-width: 920px) { .resources { grid-template-columns: 1fr 1fr; } }
@media (max-width: 480px) { .resources { grid-template-columns: 1fr; } }
.resource { padding: 18px 20px; border-radius: 12px; border: 1px solid var(--line); background: var(--surface); }
.resource strong { display: block; color: var(--forest); }
.resource span { display: block; margin-top: 4px; font-size: .86rem; line-height: 1.5; color: var(--ink-2); }

/* ---------- how it works ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; counter-reset: step; position: relative; }
.steps::before {
  content: ""; position: absolute; top: 22px; left: 22px; right: 22px; height: 2px;
  background: repeating-linear-gradient(90deg, var(--line-2) 0 6px, transparent 6px 12px);
}
.step { position: relative; }
.step .n {
  counter-increment: step; width: 46px; height: 46px; border-radius: 50%;
  display: grid; place-items: center; background: var(--forest); color: #fff;
  font: 600 1.1rem var(--serif); margin-bottom: 18px; position: relative; box-shadow: 0 0 0 6px var(--paper);
}
.alt .step .n { box-shadow: 0 0 0 6px var(--surface); }
.step .n::before { content: counter(step); }
.step h3 { margin-bottom: 8px; }
.step p { color: var(--ink-2); font-size: .96rem; }
.step .tag { display: inline-block; font-size: .78rem; font-weight: 600; color: var(--seed); background: var(--seed-tint); border-radius: 999px; padding: .15em .7em; margin-top: 2px; }
@media (max-width: 920px) {
  .steps { grid-template-columns: 1fr 1fr; row-gap: 36px; }
  .steps::before { display: none; }
}
@media (max-width: 560px) { .steps { grid-template-columns: 1fr; } }

.standards { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 48px; align-items: center; }
.standards .lbl { font-size: .85rem; color: var(--ink-3); margin-right: 6px; }
.chip { font-size: .84rem; font-weight: 500; padding: .35em .85em; border-radius: 999px; border: 1px solid var(--line-2); color: var(--ink-2); background: var(--surface); }

/* ---------- VP feature split ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
@media (max-width: 920px) { .split { grid-template-columns: 1fr; gap: 32px; } }
.feature-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 18px; }
.feature-list li { display: grid; grid-template-columns: 28px 1fr; gap: 14px; }
.feature-list .tick { width: 28px; height: 28px; border-radius: 8px; background: var(--leaf-tint); color: var(--leaf); display: grid; place-items: center; }
.feature-list .tick svg { width: 16px; height: 16px; }
.feature-list strong { display: block; color: var(--forest); }
.feature-list span { color: var(--ink-2); font-size: .96rem; }

/* ---------- MCP / AI section ---------- */
.diagram {
  background: rgba(255, 255, 255, .04); border: 1px solid rgba(255, 255, 255, .12);
  border-radius: var(--radius); padding: 24px; overflow-x: auto; margin-bottom: 40px;
}
.diagram svg { min-width: 760px; width: 100%; height: auto; }
.d-box { fill: #1d4d31; stroke: #4f8a63; stroke-width: 1.2; }
.d-box.hi { fill: #2b6a43; stroke: #8ee0a9; }
.d-box.ext { fill: #f8f6f0; stroke: #f8f6f0; }
.d-box.prov { fill: #3a3523; stroke: #b8862f; }
.d-frame { fill: none; stroke: #8ee0a9; stroke-width: 1.2; stroke-dasharray: 6 5; opacity: .65; }
.d-t { font: 600 14px var(--sans); fill: #fff; }
.d-t.dark { fill: var(--forest); }
.d-s { font: 400 11.5px var(--sans); fill: #b7cdbd; }
.d-s.dark { fill: var(--ink-2); }
.d-m { font: 500 12.5px var(--mono); fill: #fff; }
.d-cap { font: 600 11px var(--sans); letter-spacing: .08em; fill: #8ee0a9; }
.d-edge { stroke: #8fb39b; stroke-width: 1.4; fill: none; }
.d-edge.dash { stroke-dasharray: 5 5; }
.d-lbl { font: 400 11px var(--sans); fill: #b7cdbd; }

.tools { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
@media (max-width: 920px) { .tools { grid-template-columns: 1fr; } }
.tool { background: rgba(255, 255, 255, .05); border: 1px solid rgba(255, 255, 255, .12); border-radius: var(--radius); padding: 24px; }
.tool .name { font: 600 .95rem var(--mono); color: #fff; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 10px; }
.tool p { font-size: .95rem; color: #c3d6c8; margin: 0; }
.badge { font: 600 .68rem var(--sans); letter-spacing: .08em; text-transform: uppercase; padding: .2em .6em; border-radius: 999px; background: rgba(184, 134, 47, .22); color: #f1cf8e; }

.ask { margin-top: 40px; display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
@media (max-width: 920px) { .ask { grid-template-columns: 1fr; } }
.quotes { display: grid; gap: 12px; }
.quote {
  background: #f8f6f0; color: var(--ink); border-radius: 16px 16px 16px 4px;
  padding: 14px 18px; font-size: .98rem; max-width: 34em;
}
.design-notes { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; }
.design-notes li { padding-left: 22px; position: relative; color: #c3d6c8; font-size: .97rem; }
.design-notes li::before { content: ""; position: absolute; left: 0; top: .62em; width: 8px; height: 8px; border-radius: 2px; background: #8ee0a9; transform: rotate(45deg); }
.design-notes strong { color: #fff; font-weight: 600; }

.endpoint {
  margin-top: 40px; display: flex; flex-wrap: wrap; align-items: center; gap: 12px 16px;
  background: rgba(0, 0, 0, .22); border: 1px solid rgba(255, 255, 255, .12); border-radius: 12px; padding: 14px 16px;
}
.endpoint .lbl { font-size: .8rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: #8ee0a9; }
.endpoint code { background: transparent; color: #fff; padding: 0; font-size: .92rem; word-break: break-all; flex: 1 1 260px; }
.copy-btn {
  font: 600 .85rem var(--sans); color: var(--forest); background: #8ee0a9; border: 0; border-radius: 999px;
  padding: .45em 1em; cursor: pointer;
}
.copy-btn:hover { background: #b4efc6; }
.endpoint a.more { font-size: .88rem; }

/* ---------- join ---------- */
.paths { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
@media (max-width: 920px) { .paths { grid-template-columns: 1fr; } }
.path { display: flex; flex-direction: column; }
.path .level { font: 600 .74rem var(--sans); letter-spacing: .1em; text-transform: uppercase; color: var(--seed); margin-bottom: 10px; }
.path .links { margin-top: auto; padding-top: 14px; display: flex; flex-wrap: wrap; gap: 8px 18px; font-size: .92rem; font-weight: 600; }
.path .links a { text-decoration: none; }
.path .links a:hover { text-decoration: underline; }
.path.featured { border: 1.5px solid var(--leaf); }

.contact {
  margin-top: 28px; display: flex; flex-wrap: wrap; gap: 20px; align-items: center; justify-content: space-between;
  background: var(--leaf-tint); border-radius: var(--radius); padding: 26px 30px;
}
.contact p { margin: 0; color: var(--forest); font-size: 1.05rem; }
.contact .people { display: flex; flex-wrap: wrap; gap: 10px; }

/* ---------- docs ---------- */
.docs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
@media (max-width: 920px) { .docs { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .docs { grid-template-columns: 1fr; } }
.doclist { list-style: none; margin: 0; padding: 0; }
.doclist li { border-top: 1px solid var(--line); }
.doclist li:first-child { border-top: 0; }
.doclist a { display: flex; justify-content: space-between; gap: 12px; padding: 11px 0; text-decoration: none; color: var(--ink); font-size: .96rem; }
.doclist a:hover { color: var(--leaf); }
.doclist a::after { content: "→"; color: var(--ink-3); transition: transform .18s, color .18s; }
.doclist a:hover::after { transform: translateX(3px); color: var(--leaf); }
.doclist small { display: block; color: var(--ink-3); font-size: .82rem; }

/* ---------- FAQ ---------- */
.faq { columns: 2; column-gap: 40px; }
@media (max-width: 760px) { .faq { columns: 1; } }
.faq a {
  break-inside: avoid; display: block; padding: 16px 0 16px 34px; position: relative;
  border-top: 1px solid var(--line); text-decoration: none; color: var(--ink); font-size: 1rem; line-height: 1.45;
}
.faq a::before {
  content: "?"; position: absolute; left: 0; top: 16px; width: 22px; height: 22px; border-radius: 50%;
  background: var(--seed-tint); color: var(--seed); font: 700 .78rem/22px var(--sans); text-align: center;
}
.faq a:hover { color: var(--leaf); }
.faq a em { font-style: normal; font-weight: 600; color: var(--leaf); }

/* ---------- footer ---------- */
.site-footer { background: #0d2c1a; color: #a9bfb0; padding: 72px 0 36px; font-size: .93rem; }
.site-footer h4 { font: 600 .78rem var(--sans); letter-spacing: .12em; text-transform: uppercase; color: #8ee0a9; margin: 0 0 14px; }
.site-footer a { color: #dbe9df; }
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 48px; }
@media (max-width: 860px) { .foot-grid { grid-template-columns: 1fr; gap: 36px; } }
.funder-logo { background: #fff; border-radius: 10px; padding: 12px 14px; display: inline-block; margin: 6px 0 16px; max-width: 100%; }
.funder-logo img { width: 380px; height: auto; }
.site-footer p { margin: 0 0 .8em; }
.pi { margin-bottom: 16px; }
.pi strong { color: #fff; display: block; font-weight: 600; }
.foot-bottom { margin-top: 56px; padding-top: 22px; border-top: 1px solid rgba(255, 255, 255, .1); display: flex; flex-wrap: wrap; gap: 12px 28px; justify-content: space-between; font-size: .85rem; }