/* Ormind help pages (guide, demo, sources) in the ormind.ai design: the
   landing's dark band and nav on top, light reading surface below. Tokens
   match lp.html. */
:root {
    --ink:#08070f; --violet:#7c5cff; --violet-deep:#5b3df5; --violet-soft:#a78bfa; --cyan:#22d3ee;
    --paper:#fdfcff; --card:#fff; --line:#eae6f6; --text:#17141f; --muted:#5f5a6e; --muted-dark:#a9a3c2;
    --good:#0e9f6e; --tint:#f4f1ff; --radius:20px;
    --serif:'Instrument Serif',Georgia,serif;
    --shadow:0 18px 60px rgba(20,8,60,.08);
}
* { box-sizing:border-box; }
html { scroll-behavior:smooth; scroll-padding-top:90px; }
body { margin:0; background:var(--paper); color:var(--text); font:16px/1.65 'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif; -webkit-font-smoothing:antialiased; overflow-x:hidden; }
a { color:inherit; text-underline-offset:4px; }
a:hover { color:var(--violet-deep); }
button { font:inherit; cursor:pointer; }
:focus-visible { outline:3px solid var(--violet); outline-offset:4px; }
[hidden] { display:none !important; }
img { max-width:100%; height:auto; }
.wrap { max-width:1160px; margin:0 auto; padding:0 clamp(1.1rem,4vw,2rem); }
.skip { position:absolute; top:-80px; left:16px; background:var(--violet-deep); color:#fff; padding:12px; z-index:1100; border-radius:8px; }
.skip:focus { top:12px; }
h1,h2,h3,p { margin-top:0; }
p { margin-bottom:18px; }
.muted { color:var(--muted); }
.small { font-size:13px; }

/* ---------- Nav (the landing's dark glass) ---------- */
.site-nav { position:sticky; top:0; z-index:1000; background:rgba(8,7,15,.95); backdrop-filter:blur(16px); -webkit-backdrop-filter:blur(16px); border-bottom:1px solid rgba(255,255,255,.07); }
.nav-inner { display:flex; align-items:center; justify-content:space-between; gap:1rem; padding:.8rem 0; }
.nav-logo img { height:34px; width:auto; display:block; }
.nav-links { display:flex; align-items:center; gap:1.6rem; font-size:.92rem; font-weight:500; }
.nav-links a { text-decoration:none; color:var(--muted-dark); white-space:nowrap; transition:color .2s; }
.nav-links a:hover, .nav-links [aria-current=page] { color:#fff; }
.lang { font-size:.8rem; font-weight:700; letter-spacing:.04em; }
.nav-links .nav-app { color:#fff; font-weight:650; padding:.55rem 1.2rem; border-radius:999px; background:linear-gradient(120deg,var(--violet-deep),var(--violet)); box-shadow:0 6px 22px rgba(124,92,255,.35); transition:transform .2s ease, box-shadow .2s ease; }
.nav-links .nav-app:hover { transform:translateY(-1px); box-shadow:0 10px 28px rgba(124,92,255,.5); }

/* ---------- Page band (the landing hero, quieter) ---------- */
.page-head { color:#fff; padding:clamp(3.2rem,9vh,5.2rem) 0 clamp(2.6rem,7vh,4rem); margin-bottom:clamp(2rem,5vh,3rem);
    background:radial-gradient(1000px 500px at 50% -20%,rgba(124,92,255,.30),transparent 60%), radial-gradient(800px 420px at 90% 10%,rgba(34,211,238,.10),transparent 55%), var(--ink); }
.page-head .wrap > * { max-width:780px; }
.eyebrow { display:inline-flex; align-items:center; gap:.55rem; font-size:.8rem; font-weight:600; letter-spacing:.02em; color:#e6e0ff; background:rgba(124,92,255,.16); border:1px solid rgba(167,139,250,.35); padding:.42rem 1rem; border-radius:999px; margin:0 0 1.5rem; }
.eyebrow::before { content:''; width:7px; height:7px; border-radius:50%; background:var(--cyan); box-shadow:0 0 12px var(--cyan); }
.page-head h1 { font-size:clamp(2.3rem,6vw,3.9rem); font-weight:800; line-height:1.07; letter-spacing:-.03em; margin-bottom:1.2rem; }
.page-head h1 em { font-family:var(--serif); font-weight:400; font-style:italic; letter-spacing:0; padding-right:.06em;
    background:linear-gradient(105deg,#c4b5fd 5%,#7dd3fc 60%,#e9d5ff 100%); -webkit-background-clip:text; background-clip:text; -webkit-text-fill-color:transparent; }
.page-head .intro { font-size:clamp(1.02rem,2.4vw,1.18rem); color:#cfc9e6; }
.page-head .notice { background:rgba(255,255,255,.05); border-color:var(--violet-soft); color:#cfc9e6; }
.page-head .text-link { color:#e6e0ff; }
.page-head .text-link:hover { color:#fff; }
.page-head .btn { background:#fff; color:#241a52; box-shadow:0 12px 40px rgba(124,92,255,.35); }
.page-head .btn:hover { color:#241a52; }

/* ---------- Shared pieces ---------- */
.actions { display:flex; gap:1rem; flex-wrap:wrap; align-items:center; margin-top:1.8rem; }
.btn { display:inline-flex; align-items:center; justify-content:center; gap:.5rem; text-decoration:none; color:#fff; font-weight:650; font-size:.98rem; padding:.85rem 1.7rem; border-radius:999px; border:0;
    background:linear-gradient(120deg,var(--violet-deep),var(--violet)); box-shadow:0 10px 30px rgba(124,92,255,.3); transition:transform .2s ease, box-shadow .2s ease; }
.btn:hover { color:#fff; transform:translateY(-2px); box-shadow:0 16px 44px rgba(124,92,255,.42); }
.btn.secondary { background:var(--card); color:var(--violet-deep); border:1px solid rgba(124,92,255,.35); box-shadow:none; }
.btn.secondary:hover { color:var(--violet-deep); background:var(--tint); }
.text-link { font-size:.95rem; font-weight:600; color:var(--violet-deep); text-decoration:none; }
.text-link:hover { text-decoration:underline; }
.badge { display:inline-block; padding:.3rem .8rem; border-radius:999px; font-size:.72rem; font-weight:700; letter-spacing:.06em; text-transform:uppercase; color:#fff; background:linear-gradient(120deg,var(--violet-deep),var(--violet)); }
.notice { border-left:3px solid var(--violet); border-radius:0 12px 12px 0; padding:.75rem 1.1rem; font-size:.88rem; color:var(--muted); margin:1.5rem 0; background:var(--tint); }
.source-line { border-top:1px solid var(--line); display:flex; gap:.5rem; flex-wrap:wrap; align-items:center; padding-top:1rem; color:var(--muted); font-size:.8rem; }
.source-line a { text-decoration:none; color:var(--violet-deep); background:var(--tint); border:1px solid var(--line); border-radius:999px; padding:.2rem .7rem; }
.source-line a:hover { border-color:var(--violet); }
kbd { font:inherit; font-size:.88em; color:var(--text); background:var(--card); border:1px solid var(--line); border-bottom-width:2px; border-radius:6px; padding:.05em .45em; white-space:nowrap; }
summary { cursor:pointer; font-weight:600; color:var(--text); }
summary::marker { color:var(--violet); }
details { padding:1rem 0; border-bottom:1px solid var(--line); }
details p { margin:.8rem 0 0; color:var(--muted); font-size:.95rem; }
.rail { display:flex; align-items:center; justify-content:space-between; gap:1.8rem; padding:clamp(1.6rem,4vw,2.6rem); border-radius:var(--radius); color:#fff;
    background:radial-gradient(700px 300px at 0% 0%,rgba(124,92,255,.35),transparent 60%), var(--ink); }
.rail h2 { font-size:clamp(1.5rem,3.6vw,2.1rem); font-weight:800; letter-spacing:-.02em; line-height:1.15; margin-bottom:.5rem; }
.rail p { margin:0; color:#cfc9e6; font-size:.98rem; max-width:640px; }
.rail .btn { flex-shrink:0; background:#fff; color:#241a52; }
.guide-end { margin-bottom:clamp(3rem,8vh,4.5rem); }

/* ---------- Demo ---------- */
.demo-grid { display:grid; grid-template-columns:250px 1fr; gap:2.5rem; align-items:start; padding-bottom:3.5rem; }
.source-nav { position:sticky; top:90px; background:var(--card); border:1px solid var(--line); border-radius:16px; padding:1.25rem; }
.source-nav h2 { font-size:.95rem; font-weight:700; margin-bottom:.4rem; }
.source-nav ol { padding-left:1.2rem; color:var(--muted); margin:0; }
.source-nav li { padding:.4rem 0; font-size:.88rem; }
.source-nav li::marker { color:var(--violet); font-weight:700; }
.source-nav a { text-decoration:none; }
.demo-tabs { display:flex; flex-wrap:wrap; gap:.5rem; margin-bottom:1.5rem; }
.demo-tabs a { display:block; padding:.55rem 1.1rem; text-decoration:none; font-size:.92rem; font-weight:600; color:var(--muted); border:1px solid var(--line); border-radius:999px; background:var(--card); }
.demo-tabs a:hover { color:var(--violet-deep); border-color:rgba(124,92,255,.35); }
.demo-tabs a[aria-current=true] { color:#fff; border-color:transparent; background:linear-gradient(120deg,var(--violet-deep),var(--violet)); }
.demo-panel { background:var(--card); border:1px solid rgba(124,92,255,.25); border-radius:var(--radius); box-shadow:var(--shadow); padding:clamp(1.3rem,4vw,2.2rem); margin-bottom:1.5rem; }
.demo-panel h2 { font-family:var(--serif); font-weight:400; font-style:italic; font-size:clamp(1.7rem,4vw,2.3rem); line-height:1.15; color:var(--violet-deep); margin:1.1rem 0 1rem !important; }
.demo-panel p { font-size:.98rem; }
.metrics { display:grid; grid-template-columns:1fr 1fr; gap:1rem; margin:1.5rem 0; }
.metric { background:var(--tint); border:1px solid var(--line); border-radius:14px; padding:1rem 1.2rem; }
.metric span { display:block; font-size:.8rem; color:var(--muted); }
.metric strong { display:block; font-size:clamp(1.7rem,4.5vw,2.3rem); font-weight:800; letter-spacing:-.03em; line-height:1.2; }
.metric.good { background:#ecfdf5; border-color:#c7f0dd; }
.metric.good strong { color:var(--good); }
.calc { background:var(--paper); padding:1.1rem 1.2rem; border:1px dashed rgba(124,92,255,.4); border-radius:14px; margin:1.5rem 0; }
.calc label { display:flex; gap:.75rem; align-items:center; cursor:pointer; font-size:.95rem; font-weight:600; }
.calc input { width:19px; height:19px; accent-color:var(--violet); flex-shrink:0; }
.calc output { display:block; margin-top:.8rem; font-size:.92rem; color:var(--muted); }
.timeline { padding:0; list-style:none; margin:1.4rem 0; }
.timeline li { display:grid; grid-template-columns:110px 1fr; gap:1.2rem; border-top:1px solid var(--line); padding:.9rem 0; font-size:.94rem; }
.timeline time, .timeline span { color:var(--violet-deep); font-weight:650; }
.timeline p { margin:0; }
.open-list { padding-left:1.2rem; }
.open-list li { margin-bottom:1rem; }
.open-list li::marker { color:var(--violet); }
.download-row { display:flex; gap:1rem; flex-wrap:wrap; align-items:center; margin-top:1.4rem; }

/* ---------- Guide and sources ---------- */
.guide-layout { display:grid; grid-template-columns:220px 1fr; gap:3.5rem; padding-bottom:4rem; }
.guide-nav { position:sticky; top:90px; align-self:start; border-left:2px solid var(--line); }
.guide-nav a { display:block; text-decoration:none; padding:.4rem 0 .4rem 1rem; margin-left:-2px; border-left:2px solid transparent; font-size:.9rem; color:var(--muted); }
.guide-nav a:hover { color:var(--violet-deep); border-left-color:var(--violet); }
.guide-step { border-top:1px solid var(--line); padding:2rem 0; scroll-margin-top:90px; }
.guide-step:first-child { border-top:0; padding-top:0; }
.guide-step h2 { font-size:clamp(1.45rem,3.4vw,1.9rem); font-weight:800; letter-spacing:-.02em; line-height:1.2; margin-bottom:1rem; }
.guide-step p, .guide-step li { color:var(--muted); font-size:.98rem; }
.guide-step li { margin-bottom:.35rem; }
.prompt { background:var(--card); padding:1.2rem 1.3rem; border:1px solid rgba(124,92,255,.3); border-radius:16px; margin:1.2rem 0; box-shadow:var(--shadow); }
.prompt p { font-family:var(--serif); font-style:italic; font-size:1.2rem; line-height:1.45; color:var(--text); margin-bottom:.9rem; }
.copy { background:var(--tint); color:var(--violet-deep); border:1px solid rgba(124,92,255,.3); border-radius:999px; padding:.4rem .95rem; font-size:.82rem; font-weight:600; }
.copy:hover { background:#ebe5ff; }
.copy-status { display:block; font-size:.8rem; color:var(--muted); margin-top:.5rem; min-height:1em; }
.source-document { max-width:860px; }
.source-document:first-of-type { border-top:0; padding-top:0; }
.source-document pre { font:.95rem/1.8 'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif; white-space:pre-wrap; overflow-wrap:anywhere; background:var(--card); border:1px solid var(--line); border-radius:16px; padding:clamp(1rem,3vw,1.6rem); margin:1.2rem 0; color:var(--text); }
.source-table { max-width:100%; overflow-x:auto; margin:1.2rem 0; background:var(--card); border:1px solid var(--line); border-radius:16px; }
.source-table table { border-collapse:collapse; font-size:.85rem; width:100%; }
.source-table th, .source-table td { padding:.75rem; text-align:left; border-bottom:1px solid var(--line); min-width:100px; }
.source-table tr:last-child td { border-bottom:0; }
.source-table th { background:var(--tint); color:var(--text); font-size:.78rem; overflow-wrap:anywhere; }

/* ---------- Footer (the landing's) ---------- */
.footer { background:var(--ink); border-top:1px solid rgba(255,255,255,.07); padding:2.4rem 0 2rem; color:#8f88ad; }
.footer-inner { display:flex; flex-wrap:wrap; align-items:center; justify-content:space-between; gap:1.4rem; }
.footer-logo img { height:30px; width:auto; display:block; }
.footer-links { display:flex; flex-wrap:wrap; gap:1.6rem; font-size:.88rem; }
.footer-links a { text-decoration:none; color:#8f88ad; }
.footer-links a:hover { color:#fff; }
.footer-bottom { margin-top:1.6rem; font-size:.8rem; color:#5f5a78; }

@media (max-width:860px) { .nav-links { gap:1rem; } .nav-links .optional { display:none; } }
@media (max-width:700px) {
    .nav-logo img { height:28px; }
    .nav-links { gap:.85rem; font-size:.85rem; }
    .nav-links .nav-app { padding:.45rem .9rem; }
    .demo-grid, .guide-layout { grid-template-columns:1fr; gap:1.5rem; }
    .source-nav { position:static; order:2; }
    .guide-nav { position:static; display:flex; gap:.4rem; border-left:0; overflow-x:auto; scrollbar-width:none; margin:0 calc(-1 * clamp(1.1rem,4vw,2rem)); padding:0 clamp(1.1rem,4vw,2rem) .2rem; }
    .guide-nav a { margin:0; padding:.3rem .75rem; border:1px solid var(--line); border-radius:999px; background:var(--card); font-size:.82rem; white-space:nowrap; flex-shrink:0; }
    .metrics { grid-template-columns:1fr; }
    .timeline li { grid-template-columns:84px 1fr; gap:.8rem; }
    .rail { flex-direction:column; align-items:flex-start; }
    .footer-inner { flex-direction:column; align-items:flex-start; }
}
@media (max-width:400px) { .nav-links a:not(.nav-app):not(.lang) { display:none; } }
@media (prefers-reduced-motion:reduce) { html { scroll-behavior:auto; } .btn, .nav-app { transition:none; } }
.source-nav-note { margin:1rem 0 0; }