/* Free Human Design API — landing page styles.
   Cosmic-grimoire: dark-first, refined serif display, restrained violet/gold. */

@font-face {
  font-family: "astrodot";
  src: url("fonts/astrodot.ttf") format("truetype");
  font-display: block;
}

:root {
  --bg: #09090e;
  --bg-elev: #111119;
  --bg-card: #14141d;
  --text: #ece9f5;
  --muted: #9a95b4;
  --faint: #6a6684;
  --accent: #a78bfa;
  --accent-strong: #8b7cff;
  --gold: #d8b46a;
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.16);
  --glow: rgba(139, 124, 255, 0.18);
  --ok: #7ee0a3;
  --shadow: 0 24px 60px -24px rgba(0, 0, 0, 0.7);
  --radius: 16px;
  --serif: "Cormorant Garamond", Georgia, "Times New Roman", serif;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --astro: "astrodot", var(--serif);
  /* chart palette */
  --hd-p: #f2efe6;            /* personality stroke (white on dark) */
  --hd-d: #c4524a;            /* design red */
  --ch-base: #2b2b35;         /* undefined channel */
  --hd-center-off: #fdfcf8;   /* undefined center fill */
  --hd-human: rgba(244, 240, 232, 0.05); /* silhouette backdrop */
  --gk-activation: #5d8a5d;
  --gk-venus: #b5443f;
  --gk-pearl: #4a7fc1;
  --gk-harmony: #4c1d95;
}

[data-theme="light"] {
  --bg: #f7f4ee;
  --bg-elev: #ffffff;
  --bg-card: #ffffff;
  --text: #1b1726;
  --muted: #5f5a72;
  --faint: #8a8499;
  --accent: #6d4aff;
  --accent-strong: #5a36f0;
  --gold: #a9772d;
  --border: rgba(26, 20, 48, 0.10);
  --border-strong: rgba(26, 20, 48, 0.18);
  --glow: rgba(109, 74, 255, 0.12);
  --shadow: 0 24px 50px -28px rgba(40, 30, 80, 0.35);
  --hd-p: #2a2433;
  --ch-base: #ddd8ce;
  --hd-human: rgba(35, 28, 52, 0.08);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* Cosmic backdrop */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(900px 600px at 50% -10%, var(--glow), transparent 60%),
    radial-gradient(700px 500px at 85% 20%, rgba(216, 180, 106, 0.08), transparent 60%);
  pointer-events: none;
}

a { color: inherit; text-decoration: none; }

.container { width: min(1080px, 92vw); margin: 0 auto; }

h1, h2, h3 { font-family: var(--serif); font-weight: 600; line-height: 1.1; letter-spacing: 0.2px; }

.eyebrow {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--accent);
}

.muted { color: var(--muted); }

/* ---------- Nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(14px);
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  border-bottom: 1px solid var(--border);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; font-family: var(--serif); font-size: 1.25rem; }
.brand .mark { width: 28px; height: 28px; }
.nav-links { display: flex; align-items: center; gap: 22px; }
.nav-links a { color: var(--muted); font-size: 0.92rem; transition: color 0.2s; }
.nav-links a:hover { color: var(--text); }
.icon-btn {
  display: inline-grid; place-items: center;
  width: 38px; height: 38px; border-radius: 10px;
  border: 1px solid var(--border); background: var(--bg-elev); color: var(--text);
  cursor: pointer; transition: border-color 0.2s, transform 0.1s;
}
.icon-btn:hover { border-color: var(--border-strong); }
.icon-btn:active { transform: scale(0.95); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 20px; border-radius: 12px; font-weight: 500; font-size: 0.95rem;
  border: 1px solid var(--border-strong); background: var(--bg-elev); color: var(--text);
  cursor: pointer; transition: transform 0.1s, border-color 0.2s, background 0.2s;
}
.btn:hover { border-color: var(--accent); }
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: linear-gradient(120deg, var(--accent-strong), var(--accent));
  border-color: transparent; color: #fff;
  box-shadow: 0 12px 30px -12px var(--accent-strong);
}
.btn-primary:hover { filter: brightness(1.07); }
.btn-ghost { background: transparent; }

/* ---------- Hero ---------- */
.hero { position: relative; padding: 92px 0 64px; text-align: center; }
.hero-ring {
  position: absolute; top: -40px; left: 50%; transform: translateX(-50%);
  width: 680px; max-width: 130vw; opacity: 0.5; z-index: -1; pointer-events: none;
}
.hero h1 { font-size: clamp(2.3rem, 5vw, 3.9rem); margin: 18px 0 14px; text-wrap: balance; max-width: 14ch; margin-inline: auto; }
.hero h1 .grad {
  background: linear-gradient(120deg, var(--accent), var(--gold));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero .tagline { font-size: clamp(1.05rem, 2.2vw, 1.28rem); color: var(--muted); max-width: 640px; margin: 0 auto 30px; }
.hero-cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.install {
  font-family: var(--mono); font-size: 0.9rem;
  display: inline-flex; align-items: center; gap: 10px;
  padding: 11px 16px; border-radius: 12px; border: 1px solid var(--border);
  background: var(--bg-elev); color: var(--text); cursor: pointer;
}
.install .dollar { color: var(--accent); }
.install:hover { border-color: var(--accent); }

.trust { margin-top: 34px; display: flex; gap: 10px 26px; justify-content: center; flex-wrap: wrap; font-size: 0.82rem; color: var(--faint); }
.trust span { display: inline-flex; align-items: center; gap: 7px; }
.dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }

/* ---------- Sections ---------- */
section { padding: 64px 0; }
.section-head { text-align: center; max-width: 620px; margin: 0 auto 40px; }
.section-head h2 { font-size: clamp(1.9rem, 4vw, 2.7rem); margin: 10px 0 8px; }
.section-head p { color: var(--muted); margin: 0; }

/* ---------- Demo ---------- */
.demo-grid { display: grid; grid-template-columns: 360px 1fr; gap: 22px; }
.card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow);
}
.field { margin-bottom: 14px; }
.field label { display: block; font-size: 0.78rem; color: var(--muted); margin-bottom: 6px; letter-spacing: 0.02em; }
.field input {
  width: 100%; padding: 11px 13px; border-radius: 10px;
  border: 1px solid var(--border); background: var(--bg); color: var(--text);
  font-family: var(--sans); font-size: 0.95rem;
}
.field input:focus { outline: none; border-color: var(--accent); }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

.result-tabs { display: flex; gap: 6px; margin-bottom: 14px; flex-wrap: wrap; }
.tab {
  font-family: var(--mono); font-size: 0.78rem; padding: 7px 13px; border-radius: 9px;
  border: 1px solid var(--border); background: transparent; color: var(--muted); cursor: pointer;
}
.tab.active { color: var(--text); border-color: var(--accent); background: color-mix(in srgb, var(--accent) 12%, transparent); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

.stat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 16px; }
.stat { background: var(--bg-elev); border: 1px solid var(--border); border-radius: 12px; padding: 12px 14px; }
.stat .k { font-family: var(--mono); font-size: 0.66rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--faint); }
.stat .v { font-family: var(--serif); font-size: 1.35rem; margin-top: 2px; }

.spheres { display: grid; grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); gap: 8px; }
.sphere { display: flex; justify-content: space-between; align-items: baseline; padding: 8px 11px; border-radius: 9px; background: var(--bg-elev); border: 1px solid var(--border); }
.sphere .name { font-size: 0.8rem; color: var(--muted); text-transform: capitalize; }
.sphere .gk { font-family: var(--mono); font-size: 0.9rem; color: var(--accent); }

.centers { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 6px; }
.chip { font-family: var(--mono); font-size: 0.72rem; padding: 4px 10px; border-radius: 20px; border: 1px solid var(--border); color: var(--muted); }
.chip.on { color: var(--text); border-color: var(--accent); background: color-mix(in srgb, var(--accent) 14%, transparent); }

pre.code {
  margin: 0; padding: 16px; border-radius: 12px; background: var(--bg); border: 1px solid var(--border);
  font-family: var(--mono); font-size: 0.82rem; line-height: 1.55; color: var(--text);
  overflow: auto; max-height: 420px;
}
pre.code .tok-key { color: var(--accent); }
pre.code .tok-str { color: var(--gold); }
pre.code .tok-num { color: var(--ok); }

.endpoint-line { font-family: var(--mono); font-size: 0.82rem; color: var(--muted); margin-bottom: 10px; word-break: break-all; }
.endpoint-line b { color: var(--accent); font-weight: 500; }

.copy-row { display: flex; gap: 10px; margin-top: 14px; flex-wrap: wrap; }

/* ---------- Accuracy / proof ---------- */
.proof-kpis {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 18px 14px;
  margin: 0 0 40px;
  padding: 8px 0 28px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.proof-kpi { text-align: center; padding: 8px 4px; }
.proof-kpi .v {
  font-family: var(--serif);
  font-size: clamp(1.7rem, 3.2vw, 2.35rem);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--accent), var(--gold));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.proof-kpi .k {
  margin-top: 8px;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text);
}
.proof-kpi .d {
  margin-top: 4px;
  font-size: 0.78rem;
  color: var(--faint);
  line-height: 1.35;
}
.proof-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 36px 48px;
  align-items: start;
  max-width: 980px;
  margin: 0 auto;
}
.proof-block h3 {
  font-size: 1.35rem;
  margin: 0 0 14px;
}
.proof-lede {
  color: var(--muted);
  font-size: 0.94rem;
  margin: 0 0 16px;
  line-height: 1.55;
}
.proof-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}
.proof-list li {
  position: relative;
  padding-left: 18px;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.5;
}
.proof-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}
.proof-list strong { color: var(--text); font-weight: 500; }
.proof-list code,
.proof-note code {
  font-family: var(--mono);
  font-size: 0.84em;
  color: var(--accent);
}
.proof-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  margin-bottom: 16px;
}
.proof-table th,
.proof-table td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
}
.proof-table th {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--faint);
  font-weight: 500;
}
.proof-table td:not(:first-child) { font-family: var(--mono); font-size: 0.88rem; }
.proof-table strong { color: var(--accent); font-weight: 500; }
.proof-note {
  color: var(--muted);
  font-size: 0.88rem;
  margin: 0 0 18px;
  line-height: 1.5;
}
.proof-block .btn { margin-top: 4px; }

/* ---------- Features ---------- */
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.feature { background: transparent; border: none; border-radius: 0; padding: 24px 8px; transition: transform 0.2s; }
.feature:hover { transform: translateY(-3px); }
.feature .ficon { width: 44px; height: 44px; display: grid; place-items: center; background: transparent; color: var(--accent); margin-bottom: 14px; }
.feature .ficon svg { width: 30px; height: 30px; }
.feature h3 { font-size: 1.3rem; margin: 0 0 8px; }
.feature p { color: var(--muted); margin: 0; font-size: 0.94rem; }

/* ---------- API docs ---------- */
.api-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.api-table th, .api-table td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--border); }
.api-table th { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--faint); }
.api-table td.path { font-family: var(--mono); color: var(--accent); white-space: nowrap; }

.docs-tabs { display: flex; gap: 8px; justify-content: center; margin-bottom: 22px; flex-wrap: wrap; }
.docs-tab {
  font-family: var(--mono); font-size: 0.84rem; padding: 9px 18px; border-radius: 11px;
  border: 1px solid var(--border); background: transparent; color: var(--muted); cursor: pointer;
  transition: border-color 0.2s, color 0.2s;
}
.docs-tab:hover { color: var(--text); }
.docs-tab.active { color: var(--text); border-color: var(--accent); background: color-mix(in srgb, var(--accent) 12%, transparent); }
.docs-panel { display: none; }
.docs-panel.active { display: block; }

.js-docs { padding: 26px; }
.js-docs-intro { margin: 0 0 18px; color: var(--muted); }
.code-block { margin-bottom: 14px; }
.code-block-head {
  display: flex; align-items: center; justify-content: space-between;
  font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--faint); margin-bottom: 6px;
}
.copy-mini {
  font-family: var(--mono); font-size: 0.7rem; padding: 4px 10px; border-radius: 8px;
  border: 1px solid var(--border); background: transparent; color: var(--muted); cursor: pointer;
  transition: border-color 0.2s, color 0.2s;
}
.copy-mini:hover { color: var(--text); border-color: var(--accent); }
.code-block pre.code { margin-top: 0; }
.js-docs-footer { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 22px; justify-content: flex-end; align-items: center; }

/* ---------- Teaching ---------- */
.teaching { text-align: center; }
.teaching .card { max-width: 720px; margin: 0 auto; padding: 40px; }
.teaching blockquote { font-family: var(--serif); font-size: clamp(1.3rem, 3vw, 1.8rem); margin: 0 0 18px; line-height: 1.3; }

/* ---------- Footer ---------- */
footer { border-top: 1px solid var(--border); padding: 40px 0; color: var(--muted); }
.footer-inner { display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; }
.footer-links { display: flex; gap: 20px; flex-wrap: wrap; }
.footer-links a:hover { color: var(--text); }

.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%) translateY(20px);
  background: var(--text); color: var(--bg); padding: 10px 18px; border-radius: 10px;
  font-size: 0.88rem; opacity: 0; pointer-events: none; transition: all 0.25s; z-index: 100;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ---------- Brand wordmark ---------- */
.brand-word {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.32rem;
  letter-spacing: 0.045em;
}
.brand-accent {
  font-style: italic;
  background: linear-gradient(120deg, var(--accent), var(--gold));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

/* ---------- Ambient glyph field ---------- */
.glyph-field { position: fixed; inset: 0; z-index: -1; overflow: hidden; pointer-events: none; }
.glyph-field span {
  position: absolute;
  font-family: var(--astro);
  color: var(--text);
  opacity: 0;
  animation: glyph-drift var(--dur, 60s) linear var(--delay, 0s) infinite;
  will-change: transform, opacity;
}
@keyframes glyph-drift {
  0%   { transform: translateY(4vh) rotate(0deg); opacity: 0; }
  12%  { opacity: var(--op, 0.05); }
  88%  { opacity: var(--op, 0.05); }
  100% { transform: translateY(-110vh) rotate(var(--rot, 40deg)); opacity: 0; }
}

/* ---------- Hero rings ---------- */
.hero-ring .hr-c { fill: none; stroke: url(#g1); stroke-width: 0.8; opacity: 0.55; }
.hero-ring .hr-t line { stroke: url(#g1); stroke-width: 0.8; opacity: 0.5; }
.hero-ring .ring-outer, .hero-ring .ring-inner { transform-origin: 300px 300px; }
.hero-ring .ring-outer { animation: hero-spin 240s linear infinite; }
.hero-ring .ring-inner { animation: hero-spin 160s linear infinite reverse; }
.hero-ring .hz-glyph {
  font-family: var(--astro); font-size: 17px;
  fill: var(--accent); opacity: 0.6;
}
@keyframes hero-spin { to { transform: rotate(360deg); } }

@media (prefers-reduced-motion: reduce) {
  .hero-ring .ring-outer, .hero-ring .ring-inner { animation: none; }
  .glyph-field { display: none; }
}

/* ---------- Charts section ---------- */
.chart-tabs { display: flex; gap: 8px; justify-content: center; margin-bottom: 22px; flex-wrap: wrap; }
.chart-tab {
  font-family: var(--mono); font-size: 0.84rem; padding: 9px 18px; border-radius: 11px;
  border: 1px solid var(--border); background: transparent; color: var(--muted); cursor: pointer;
  transition: border-color 0.2s, color 0.2s;
}
.chart-tab:hover { color: var(--text); }
.chart-tab.active { color: var(--text); border-color: var(--accent); background: color-mix(in srgb, var(--accent) 12%, transparent); }
.chart-stage { max-width: 760px; margin: 0 auto; }
.chart-panel { display: none; }
.chart-panel.active { display: block; }
.chart-panel svg { display: block; width: 100%; height: auto; max-height: 78vh; margin: 0 auto; }
#chart-bodygraph svg { max-width: 640px; }
#chart-genekeys svg { max-width: 620px; }

.chart-legend {
  display: flex; gap: 10px 24px; justify-content: center; flex-wrap: wrap;
  margin-top: 14px; font-size: 0.8rem; color: var(--muted);
}
.chart-legend span { display: inline-flex; align-items: center; gap: 7px; }
.chart-legend .sw { width: 11px; height: 11px; border-radius: 50%; display: inline-block; }
.sw-p { background: var(--hd-p); border: 1px solid var(--border-strong); }
.sw-d { background: var(--hd-d); }
.sw-def { background: #c99f56; }
.sw-act { background: var(--gk-activation); }
.sw-ven { background: var(--gk-venus); }
.sw-pea { background: var(--gk-pearl); }
.sw-star { color: var(--hd-d); font-style: normal; }
.legend-note { color: var(--faint); }
.sw-mid { background: #57e39b; }

/* Midpoints toggle + panel */
.mp-toggle {
  display: inline-flex; align-items: center; gap: 6px; cursor: pointer; user-select: none;
  padding: 3px 10px; border: 1px solid var(--border); border-radius: 999px;
  color: var(--muted); font-size: 0.78rem;
}
.mp-toggle:hover { border-color: var(--accent); color: var(--text); }
.mp-toggle input { accent-color: #57e39b; width: 13px; height: 13px; margin: 0; }
#wheelMidpoints circle { transition: opacity 0.2s; }
.midpoints-panel { margin: 16px auto 0; max-width: 560px; }
.mp-count { font-size: 0.78rem; color: var(--muted); text-align: center; margin-bottom: 8px; }
.mp-scroll { max-height: 260px; overflow-y: auto; border: 1px solid var(--border); border-radius: 10px; }
.mp-table { width: 100%; border-collapse: collapse; font-size: 0.78rem; }
.mp-table th, .mp-table td { padding: 4px 10px; border-bottom: 1px solid var(--border); text-align: left; white-space: nowrap; }
.mp-table thead th { position: sticky; top: 0; background: var(--card); color: var(--muted); font-weight: 600; }
.mp-table .mp-gl { font-family: var(--mono); color: #2ea87a; font-weight: 600; }
@media (prefers-color-scheme: dark) { .mp-table .mp-gl { color: #57e39b; } }

/* Astrology wheel */
.w-ring { fill: none; stroke: var(--border-strong); }
.w-ring-faint { stroke: var(--border); }
.w-sep { stroke: var(--border); }
.w-tick { stroke: var(--faint); opacity: 0.4; }
.w-tick-big { opacity: 0.8; }
.w-zglyph { font-family: var(--astro); font-size: 21px; fill: var(--muted); }
.w-cusp { stroke: var(--border-strong); stroke-dasharray: 3 4; }
.w-house { font-family: var(--mono); font-size: 11px; fill: var(--faint); }
.w-axis { stroke: var(--accent); opacity: 0.55; stroke-width: 1.2; }
.w-axis-glyph { font-family: var(--astro); font-size: 15px; fill: var(--accent); }
.w-glyph { font-size: 21px; }
.w-planet-p { font-family: var(--astro); fill: var(--text); }
.w-planet-d { font-family: var(--astro); fill: var(--hd-d); }
.w-planet-p-tick { stroke: var(--text); stroke-width: 1.6; }
.w-planet-d-tick { stroke: var(--hd-d); stroke-width: 1.6; }
.w-lead { stroke: var(--faint); stroke-width: 0.5; opacity: 0.5; }
.w-star { font-size: 9px; fill: var(--hd-d); }
.w-rx { font-family: var(--astro); font-size: 10px; fill: var(--muted); }
.w-gateline { font-family: var(--mono); font-size: 9.5px; fill: var(--faint); }
.w-center-date { font-family: var(--serif); font-size: 17px; fill: var(--text); }
.w-center-time { font-family: var(--mono); font-size: 9px; fill: var(--muted); }

/* Human Design bodygraph */
.bg-human { fill: var(--hd-human); }
.bg-ch { fill: none; stroke: var(--ch-base); stroke-width: 7; stroke-linecap: round; }
.bg-half { fill: none; stroke-width: 7; stroke-linecap: round; }
.bg-half-d { stroke: var(--hd-d); }
.bg-half-p { stroke: var(--hd-p); }
.bg-half-pd { stroke: var(--hd-p); stroke-dasharray: 7 7; }
.bg-center { stroke-width: 1.5; stroke-linejoin: round; }
.bg-gate { fill: #ffffff; stroke-width: 2; }
.bg-gate-p { stroke: #333333; }
.bg-gate-d { stroke: var(--hd-d); }
.bg-gate-ring2 { fill: none; stroke: #333333; stroke-width: 2; stroke-dasharray: 4.5 4.5; }
.bg-gnum { font-family: var(--sans); font-size: 13px; }
.bg-gnum.on { font-weight: 700; }

/* Gene Keys profile */
.gk-edge { stroke-width: 2; opacity: 0.8; }
.gk-sphere { stroke: rgba(0, 0, 0, 0.25); stroke-width: 1; }
.gk-num { font-family: var(--serif); font-size: 30px; font-weight: 600; fill: #fdfbf4; }
.gk-num .gk-line { font-size: 16px; }
.gk-label { font-family: var(--sans); font-size: 10.5px; fill: rgba(255, 253, 245, 0.85); letter-spacing: 0.02em; }

/* ---------- FAQ ---------- */
.faq-list { max-width: 720px; margin: 0 auto; display: grid; gap: 12px; }
.faq-list details {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: 14px;
  padding: 4px 22px;
}
.faq-list details[open] { border-color: var(--border-strong); }
.faq-list summary {
  cursor: pointer; font-family: var(--serif); font-size: 1.18rem; font-weight: 600;
  padding: 14px 0; list-style: none; position: relative;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after {
  content: "+"; position: absolute; right: 2px; top: 50%; transform: translateY(-50%);
  color: var(--accent); font-family: var(--mono); font-size: 1.1rem; transition: transform 0.2s;
}
.faq-list details[open] summary::after { content: "−"; }
.faq-list details p { margin: 0 0 16px; color: var(--muted); font-size: 0.94rem; }
.faq-list code { font-family: var(--mono); font-size: 0.85em; color: var(--accent); }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .proof-kpis { grid-template-columns: repeat(3, 1fr); }
  .proof-grid { grid-template-columns: 1fr; gap: 28px; }
}
@media (max-width: 860px) {
  .demo-grid { grid-template-columns: 1fr; }
  .features { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: 1fr 1fr; }
  .proof-kpis { grid-template-columns: repeat(2, 1fr); }
  .nav-links a:not(.nav-cta) { display: none; }
}