/* zase — shared design system for the homepage + docs portal.
 * Extends the visual language of the explorer (dark, mono chrome, green accent).
 * Zero-build: plain CSS, no preprocessor, no framework. */

:root {
  --bg: #070809;
  --bg2: #0a0c0f;
  --panel: #0e1014;
  --panel2: #12151b;
  --line: #1c2128;
  --line2: #262d36;
  --fg: #d7dde5;
  --fg2: #aeb7c2;
  --dim: #7d8794;
  --acc: #36e2a4;
  --acc-dk: #15523f;
  --acc2: #5aa9ff;
  --warn: #ffcf5c;
  --bad: #ff6b6b;
  --mono: "SFMono-Regular", ui-monospace, "JetBrains Mono", "Menlo", Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Inter, system-ui, sans-serif;
  --maxw: 1080px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: var(--acc2); text-decoration: none; }
a:hover { text-decoration: underline; }

code, kbd, pre, .mono { font-family: var(--mono); }

/* ── top nav ──────────────────────────────────────────────────────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 22px;
  padding: 14px 24px;
  border-bottom: 1px solid var(--line);
  background: rgba(7, 8, 9, .82);
  backdrop-filter: blur(10px);
}
.nav .brand {
  font-family: var(--mono);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: .5px;
  color: var(--fg);
}
.nav .brand b { color: var(--acc); }
.nav .links { display: flex; gap: 20px; margin-left: auto; align-items: center; }
.nav .links a { color: var(--fg2); font-size: 14px; }
.nav .links a:hover { color: var(--fg); text-decoration: none; }
.nav .ghbtn {
  border: 1px solid var(--line2);
  border-radius: 7px;
  padding: 6px 13px;
  color: var(--fg) !important;
}
.nav .ghbtn:hover { border-color: var(--acc); }
.nav .live {
  display: inline-flex; align-items: center; gap: 7px;
  font-family: var(--mono); font-size: 12px; color: var(--dim);
}
.nav .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--dim); box-shadow: 0 0 8px currentColor;
}
.nav .dot.ok { background: var(--acc); }
.nav .dot.bad { background: var(--bad); }

/* ── generic layout ───────────────────────────────────────────────────── */
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.pill {
  display: inline-block;
  background: var(--panel2);
  border: 1px solid var(--line2);
  border-radius: 20px;
  padding: 3px 11px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--dim);
}
.pill.acc { color: var(--acc); border-color: var(--acc-dk); }

.btn {
  display: inline-block;
  border-radius: 9px;
  padding: 11px 20px;
  font-family: var(--mono);
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  border: 1px solid var(--line2);
  color: var(--fg);
  background: var(--panel2);
  transition: .15s;
}
.btn:hover { border-color: var(--acc); text-decoration: none; }
.btn.primary {
  background: linear-gradient(180deg, #1b6f55, #15523f);
  border-color: #2a7a5f;
  color: #eafff6;
}
.btn.primary:hover { filter: brightness(1.13); border-color: #2a7a5f; }

/* ── hero ─────────────────────────────────────────────────────────────── */
.hero {
  position: relative;
  padding: 90px 0 70px;
  background:
    radial-gradient(1200px 520px at 72% -8%, #0c2a22 0%, rgba(12, 42, 34, 0) 58%),
    radial-gradient(900px 480px at 8% 6%, #0c1830 0%, rgba(12, 24, 48, 0) 55%);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}
.hero .eyebrow {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--acc);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 18px;
}
.hero h1 {
  font-size: clamp(34px, 6vw, 62px);
  line-height: 1.05;
  margin: 0 0 20px;
  letter-spacing: -1px;
  font-weight: 700;
}
.hero h1 .g {
  background: linear-gradient(110deg, var(--acc) 10%, var(--acc2) 90%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero p.lead {
  font-size: clamp(16px, 2.2vw, 20px);
  color: var(--fg2);
  max-width: 680px;
  margin: 0 0 34px;
}
.hero .cta { display: flex; flex-wrap: wrap; gap: 13px; align-items: center; }
.hero .stats {
  display: flex; flex-wrap: wrap; gap: 26px;
  margin-top: 46px; padding-top: 26px;
  border-top: 1px solid var(--line);
}
.hero .stat .v {
  font-family: var(--mono); font-size: 26px; font-weight: 600; color: var(--fg);
}
.hero .stat .v.acc { color: var(--acc); }
.hero .stat .k {
  font-family: var(--mono); font-size: 11px; color: var(--dim);
  text-transform: uppercase; letter-spacing: .8px; margin-top: 2px;
}

/* ── sections ─────────────────────────────────────────────────────────── */
section { padding: 64px 0; border-bottom: 1px solid var(--line); }
section.tight { padding: 48px 0; }
.kicker {
  font-family: var(--mono); font-size: 12px; color: var(--acc);
  letter-spacing: 1.2px; text-transform: uppercase; margin-bottom: 12px;
}
.h2 { font-size: clamp(24px, 3.4vw, 34px); margin: 0 0 14px; letter-spacing: -.4px; font-weight: 700; }
.sub { color: var(--fg2); max-width: 720px; margin: 0 0 34px; font-size: 16px; }

/* feature grid */
.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px; }
.feat {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 22px;
  transition: .18s;
}
.feat:hover { border-color: var(--line2); transform: translateY(-2px); }
.feat .ico { font-family: var(--mono); font-size: 13px; color: var(--acc); margin-bottom: 12px; }
.feat h3 { margin: 0 0 8px; font-size: 17px; font-weight: 650; }
.feat p { margin: 0; color: var(--fg2); font-size: 14px; line-height: 1.6; }
.feat .tag { display: inline-block; margin-top: 12px; font-family: var(--mono); font-size: 11px; color: var(--dim); }

/* architecture diagram block */
.diagram {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 22px 24px;
  overflow-x: auto;
}
.diagram pre {
  margin: 0; font-family: var(--mono); font-size: 12.5px; line-height: 1.5;
  color: var(--fg2); white-space: pre;
}
.diagram pre b { color: var(--acc); }

/* steps */
.steps { counter-reset: step; display: grid; gap: 14px; }
.step {
  display: grid; grid-template-columns: 40px 1fr; gap: 16px; align-items: start;
  background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 18px 20px;
}
.step::before {
  counter-increment: step; content: counter(step);
  font-family: var(--mono); font-weight: 700; color: var(--acc);
  width: 32px; height: 32px; border-radius: 8px; border: 1px solid var(--acc-dk);
  display: grid; place-items: center; background: var(--panel2);
}
.step h4 { margin: 3px 0 5px; font-size: 15px; }
.step p { margin: 0; color: var(--fg2); font-size: 14px; }

/* code block (homepage) */
.codecard {
  background: #06120d; border: 1px solid var(--acc-dk); border-radius: 12px;
  padding: 18px 20px; overflow-x: auto;
}
.codecard pre { margin: 0; font-family: var(--mono); font-size: 13px; line-height: 1.65; color: #cfeede; white-space: pre; }
.codecard .c { color: #5b7a6e; }
.codecard .p { color: var(--acc); }

/* honesty banner */
.note {
  background: linear-gradient(180deg, #15110a, #0e0c08);
  border: 1px solid #3a2f12;
  border-radius: 12px;
  padding: 18px 22px;
  color: var(--fg2);
  font-size: 14px;
}
.note b { color: var(--warn); }

/* two-col */
.cols { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 760px) { .cols { grid-template-columns: 1fr; } }

/* ── footer ───────────────────────────────────────────────────────────── */
footer.site {
  padding: 46px 0 64px;
  color: var(--dim);
  font-size: 13px;
}
footer.site .grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 24px; }
@media (max-width: 760px) { footer.site .grid { grid-template-columns: 1fr 1fr; } }
footer.site h5 { font-family: var(--mono); font-size: 11px; text-transform: uppercase; letter-spacing: 1px; color: var(--dim); margin: 0 0 12px; }
footer.site ul { list-style: none; padding: 0; margin: 0; }
footer.site li { margin: 7px 0; }
footer.site a { color: var(--fg2); }
footer.site .brand { font-family: var(--mono); font-weight: 700; color: var(--fg); font-size: 16px; }
footer.site .brand b { color: var(--acc); }
footer.site .legal { margin-top: 28px; padding-top: 18px; border-top: 1px solid var(--line); }

/* ════════════════════════════════════════════════════════════════════════
   BRAND MARK + HERO UPGRADE + MOTION  (next-gen privacy-L1 polish)
   ════════════════════════════════════════════════════════════════════════ */
.nav .brand { display: inline-flex; align-items: center; gap: 9px; }
.nav .brand .mark { display: block; }
footer.site .brand { display: inline-flex; align-items: center; gap: 8px; }
footer.site .brand .mark { display: block; }

/* animated hero background */
.hero-bg { position: absolute; inset: 0; z-index: 0; pointer-events: none; overflow: hidden; }
.aurora {
  position: absolute; inset: -30% -10% auto -10%; height: 150%;
  background:
    radial-gradient(620px 360px at 72% 18%, rgba(54, 226, 164, .22), transparent 60%),
    radial-gradient(560px 360px at 22% 8%, rgba(90, 169, 255, .17), transparent 60%),
    radial-gradient(520px 320px at 52% 64%, rgba(54, 226, 164, .10), transparent 66%);
  filter: blur(6px);
  animation: auroraShift 18s ease-in-out infinite alternate;
}
@keyframes auroraShift {
  0%   { transform: translate3d(-3%, 0, 0) scale(1); }
  100% { transform: translate3d(4%, 2%, 0) scale(1.08); }
}
.hgrid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(40, 70, 86, .15) 1px, transparent 1px),
    linear-gradient(90deg, rgba(40, 70, 86, .15) 1px, transparent 1px);
  background-size: 44px 44px;
  -webkit-mask: radial-gradient(820px 460px at 66% 32%, #000 18%, transparent 76%);
  mask: radial-gradient(820px 460px at 66% 32%, #000 18%, transparent 76%);
}

.hero-inner {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
  gap: 30px; align-items: center;
}
.hero-copy { min-width: 0; }
.hero .eyebrow { display: inline-flex; align-items: center; gap: 9px; }
.eyebrow .ping {
  width: 8px; height: 8px; border-radius: 50%; background: var(--acc);
  animation: ping 2.2s ease-out infinite;
}
@keyframes ping {
  0%   { box-shadow: 0 0 0 0 rgba(54, 226, 164, .45); }
  70%  { box-shadow: 0 0 0 9px rgba(54, 226, 164, 0); }
  100% { box-shadow: 0 0 0 0 rgba(54, 226, 164, 0); }
}
.hero p.lead { max-width: 560px; }

/* hero visual: floating coin + orbiting nodes + glow */
.hero-visual { position: relative; height: 360px; display: grid; place-items: center; }
.glowring {
  position: absolute; inset: 0; margin: auto; width: 300px; height: 300px; border-radius: 50%;
  background: radial-gradient(circle, rgba(54, 226, 164, .20), rgba(90, 169, 255, .10) 45%, transparent 70%);
  filter: blur(14px); animation: pulse 6s ease-in-out infinite;
}
@keyframes pulse { 0%, 100% { transform: scale(.95); opacity: .82; } 50% { transform: scale(1.07); opacity: 1; } }
.hcoin {
  position: relative; z-index: 2;
  filter: drop-shadow(0 20px 46px rgba(54, 226, 164, .22));
  animation: float 7s ease-in-out infinite;
}
@keyframes float { 0%, 100% { transform: translateY(-6px); } 50% { transform: translateY(8px); } }
.orbit { position: absolute; inset: 0; margin: auto; border-radius: 50%; border: 1px solid rgba(120, 150, 170, .15); }
.orbit .node {
  position: absolute; top: -4px; left: 50%; margin-left: -4px;
  width: 8px; height: 8px; border-radius: 50%; background: var(--acc); box-shadow: 0 0 10px var(--acc);
}
.orbit.o1 { width: 300px; height: 300px; animation: spin 14s linear infinite; }
.orbit.o2 { width: 360px; height: 360px; animation: spin 24s linear infinite reverse; }
.orbit.o2 .node { background: var(--acc2); box-shadow: 0 0 10px var(--acc2); }
.orbit.o3 { width: 244px; height: 244px; animation: spin 10s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
@media (max-width: 900px) { .hero-inner { grid-template-columns: 1fr; } .hero-visual { display: none; } }

.btn.ghost { background: transparent; }
.btn.primary { transition: .15s; }
.btn.primary:hover { box-shadow: 0 10px 34px rgba(54, 226, 164, .20); }

/* reveal-on-scroll (class added by home.js → progressive enhancement) */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }
.features .feat:nth-child(2) { transition-delay: .06s; }
.features .feat:nth-child(3) { transition-delay: .12s; }
.features .feat:nth-child(4) { transition-delay: .18s; }
.steps .step:nth-child(2) { transition-delay: .06s; }
.steps .step:nth-child(3) { transition-delay: .12s; }
.steps .step:nth-child(4) { transition-delay: .18s; }

@media (prefers-reduced-motion: reduce) {
  .aurora, .glowring, .hcoin, .orbit, .eyebrow .ping { animation: none !important; }
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ════════════════════════════════════════════════════════════════════════
   DOCS PORTAL
   ════════════════════════════════════════════════════════════════════════ */
.docs-layout { display: grid; grid-template-columns: 250px minmax(0, 1fr); gap: 0; align-items: start; }
@media (max-width: 880px) { .docs-layout { grid-template-columns: 1fr; } }

.sidebar {
  position: sticky; top: 53px;
  align-self: start;
  height: calc(100vh - 53px);
  overflow-y: auto;
  border-right: 1px solid var(--line);
  padding: 26px 18px 40px;
}
@media (max-width: 880px) {
  .sidebar { position: static; height: auto; border-right: none; border-bottom: 1px solid var(--line); }
}
.sidebar h6 {
  font-family: var(--mono); font-size: 11px; letter-spacing: 1px; text-transform: uppercase;
  color: var(--dim); margin: 0 0 10px;
}
.sidebar nav a {
  display: block; padding: 8px 12px; border-radius: 8px; color: var(--fg2);
  font-size: 14px; margin-bottom: 2px; border: 1px solid transparent;
}
.sidebar nav a:hover { background: var(--panel); text-decoration: none; color: var(--fg); }
.sidebar nav a.active {
  background: var(--panel2); color: var(--acc); border-color: var(--acc-dk);
  font-weight: 600;
}
.sidebar nav a .num { font-family: var(--mono); color: var(--dim); margin-right: 8px; font-size: 12px; }
.sidebar nav a.active .num { color: var(--acc); }

.doc-main { padding: 34px 40px 90px; min-width: 0; }
@media (max-width: 880px) { .doc-main { padding: 28px 22px 70px; } }

/* rendered markdown */
.md { max-width: 760px; }
.md h1 { font-size: 32px; letter-spacing: -.5px; margin: 0 0 6px; line-height: 1.15; }
.md > p:first-of-type em { color: var(--dim); }
.md h2 {
  font-size: 23px; margin: 42px 0 12px; padding-bottom: 8px;
  border-bottom: 1px solid var(--line); letter-spacing: -.3px;
}
.md h3 { font-size: 18px; margin: 30px 0 10px; }
.md h4 { font-size: 15px; margin: 22px 0 8px; color: var(--fg); }
.md p { margin: 0 0 16px; color: var(--fg2); }
.md ul, .md ol { margin: 0 0 16px; padding-left: 24px; color: var(--fg2); }
.md li { margin: 6px 0; }
.md li > ul, .md li > ol { margin: 6px 0; }
.md a { color: var(--acc2); }
.md strong { color: var(--fg); font-weight: 650; }
.md hr { border: none; border-top: 1px solid var(--line); margin: 32px 0; }
.md blockquote {
  margin: 0 0 16px; padding: 4px 18px; border-left: 3px solid var(--acc-dk);
  background: var(--panel); border-radius: 0 8px 8px 0; color: var(--fg2);
}
.md blockquote p { margin: 10px 0; }
.md code {
  background: var(--panel2); border: 1px solid var(--line);
  border-radius: 5px; padding: 1px 6px; font-size: 13px; color: #cfeede;
}
.md pre {
  background: #06120d; border: 1px solid var(--acc-dk); border-radius: 10px;
  padding: 16px 18px; overflow-x: auto; margin: 0 0 18px;
}
.md pre code { background: none; border: none; padding: 0; color: #cfeede; font-size: 13px; line-height: 1.6; }
.md table {
  width: 100%; border-collapse: collapse; margin: 0 0 18px; font-size: 13.5px;
  display: block; overflow-x: auto;
}
.md th, .md td { text-align: left; padding: 9px 13px; border: 1px solid var(--line); }
.md th { background: var(--panel2); color: var(--fg); font-weight: 600; font-family: var(--mono); font-size: 12px; }
.md td { color: var(--fg2); }
.md td code { white-space: nowrap; }
.md img { max-width: 100%; }

.doc-foot {
  max-width: 760px; margin-top: 50px; padding-top: 20px; border-top: 1px solid var(--line);
  display: flex; justify-content: space-between; gap: 16px; font-size: 13px; color: var(--dim);
  font-family: var(--mono); flex-wrap: wrap;
}
.doc-loading { color: var(--dim); font-family: var(--mono); padding: 40px 0; }
.doc-err { color: var(--bad); font-family: var(--mono); padding: 40px 0; }