/* ============================================================
   ENGAGE WITH AI — shared v3 design system
   Source of truth: index2.html (home). Extracted 2026-07-11.
   Load order per page: Google Fonts link → this file → page <style>.
   Fonts: Syne 700/800 (display) · Space Grotesk 400/500/700 (body)
          · DM Mono 400/500 (labels/data).
   ============================================================ */

:root{
  --bg:#0A0A0F;
  --surface:rgba(255,255,255,.04);
  --surface-2:rgba(255,255,255,.07);
  --border:rgba(255,255,255,.09);
  --border-strong:rgba(255,255,255,.16);
  --text:#F5F3EF;
  --muted:rgba(245,243,239,.55);
  --dim:rgba(245,243,239,.32);
  --orange:#FF4D00;
  --orange-soft:rgba(255,77,0,.14);
  --orange-glow:rgba(255,77,0,.45);
  --mint:#4BFFD4;
  --mint-soft:rgba(75,255,212,.12);
  --dir:#3B82F6; --bld:#10B981; --ref:#F59E0B; --str:#F97316; --con:#8B5CF6;
  --font-display:'Syne',sans-serif;
  --font-body:'Space Grotesk',sans-serif;
  --font-mono:'DM Mono',monospace;
  --radius:12px;
  --nav-h:64px;
  --max:1200px;
  --site-version:'v3.1';
}

/* ── Base / reset ─────────────────────────────────────────── */
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-body);
  font-size:15px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{ /* ambient light: orange low-left, mint high-right — very faint */
  content:'';position:fixed;inset:0;pointer-events:none;z-index:0;
  background:
    radial-gradient(900px 600px at 85% -10%, rgba(75,255,212,.05), transparent 60%),
    radial-gradient(1000px 700px at -10% 110%, rgba(255,77,0,.07), transparent 60%);
}
main,nav,footer{position:relative;z-index:1}
a{color:inherit}
::selection{background:var(--orange);color:#fff}
::-webkit-scrollbar{width:5px}
::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:3px}

/* ── Eyebrow ─────────────────────────────────────────────── */
.eyebrow{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.22em;
  text-transform:uppercase;color:var(--muted);
  display:flex;align-items:center;gap:10px;
}
.eyebrow::before{content:'';width:24px;height:1px;background:var(--orange)}

/* ── Nav ─────────────────────────────────────────────────── */
nav{
  position:sticky;top:0;z-index:100;height:var(--nav-h);
  display:flex;align-items:center;justify-content:space-between;
  padding:0 2rem;
  background:rgba(10,10,15,.78);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--border);
}
.nav-brand{
  font-family:var(--font-display);font-weight:800;font-size:17px;
  letter-spacing:-.02em;text-decoration:none;color:var(--text);white-space:nowrap;
}
.nav-brand em{font-style:normal;color:var(--orange)}
.nav-links{display:flex;gap:2.2rem;list-style:none}
.nav-links a{
  font-size:13.5px;color:var(--muted);text-decoration:none;
  letter-spacing:.01em;transition:color .2s;position:relative;
}
.nav-links a:hover{color:var(--text)}
.nav-links a.active{color:var(--mint)}
.nav-links a.active::after{
  content:'';position:absolute;left:0;right:0;bottom:-22px;height:2px;background:var(--mint);
}
.nav-right{display:flex;align-items:center;gap:12px}
.nav-cta{
  font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;
  color:#fff;text-decoration:none;background:var(--orange);
  padding:9px 18px;border-radius:6px;white-space:nowrap;
  transition:transform .2s,box-shadow .2s;
}
.nav-cta:hover{transform:translateY(-1px);box-shadow:0 6px 24px var(--orange-glow)}
@media(max-width:820px){.nav-links{display:none}}
@media(max-width:560px){.nav-cta{display:none}}

/* ── Burger on the LEFT ──────────────────────────────────────
   site.js appends .qm-burger into .nav-right (top right) and slides
   the drawer in from the right. These higher-specificity overrides
   move both to the left edge without touching site.js.
   (site.js injects its <style> after this file loads, so plain
   class selectors there would win — hence nav/aside prefixes.) */
nav .qm-burger{
  position:absolute;left:2rem;top:50%;transform:translateY(-50%);
  margin-left:0;
}
nav .nav-brand{margin-left:52px} /* clear the 38px burger + gap */
body aside.qm-drawer{
  left:0;right:auto;
  border-left:none;border-right:1px solid rgba(255,255,255,.1);
  transform:translateX(-102%);
}
body aside.qm-drawer.open{transform:none}
@media(max-width:560px){
  nav .qm-burger{left:1.2rem}
  nav{padding:0 1.2rem}
}

/* ── Version badge — fixed lower left ────────────────────── */
body::after{
  content:var(--site-version);
  position:fixed;left:14px;bottom:10px;z-index:9500;
  font-family:var(--font-mono);font-size:10px;letter-spacing:.1em;
  color:var(--dim);pointer-events:none;
}

/* ── Buttons ─────────────────────────────────────────────── */
.btn{
  font-family:var(--font-mono);font-size:13px;letter-spacing:.06em;text-transform:uppercase;
  text-decoration:none;padding:14px 26px;border-radius:8px;
  display:inline-flex;align-items:center;gap:10px;
  transition:transform .2s,box-shadow .2s,background .2s,border-color .2s;
  cursor:pointer;border:none;
}
.btn .arr{transition:transform .25s}
.btn:hover .arr{transform:translateX(4px)}
.btn-primary{background:var(--orange);color:#fff}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 34px var(--orange-glow)}
.btn-ghost{border:1px solid var(--border-strong);color:var(--text);background:transparent}
.btn-ghost:hover{border-color:var(--mint);color:var(--mint);transform:translateY(-2px)}

/* ── Sections ────────────────────────────────────────────── */
section{max-width:var(--max);margin:0 auto;padding:6rem 2rem}
.sec-head{max-width:44rem;margin-bottom:3.5rem}
.sec-head h2{
  font-family:var(--font-display);font-weight:800;
  font-size:clamp(1.9rem,3.4vw,3rem);letter-spacing:-.02em;
  line-height:1.1;margin:1.1rem 0 1rem;
}
.sec-head p{color:var(--muted)}
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* ── Card patterns ───────────────────────────────────────── */
.card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  transition:transform .25s,border-color .25s,background .25s;
}
.card:hover{transform:translateY(-6px);border-color:var(--border-strong);background:var(--surface-2)}

.entries-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.entry{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:1.8rem 1.5rem;text-decoration:none;display:flex;flex-direction:column;gap:.7rem;
  min-height:190px;position:relative;overflow:hidden;
  transition:transform .25s,border-color .25s,background .25s;
}
.entry:hover{transform:translateY(-6px);border-color:var(--border-strong);background:var(--surface-2)}
.entry .tag{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--dim)}
.entry h3{font-family:var(--font-display);font-weight:700;font-size:19px;letter-spacing:-.01em}
.entry p{font-size:13px;color:var(--muted);flex:1}
.entry .go{
  font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;
  color:var(--mint);display:inline-flex;gap:8px;transition:gap .2s;
}
.entry:hover .go{gap:14px}
.entry-hot{border-color:rgba(255,77,0,.4);background:linear-gradient(160deg,var(--orange-soft),var(--surface) 55%)}
.entry-hot:hover{border-color:var(--orange);box-shadow:0 12px 40px rgba(255,77,0,.18)}
.entry-hot .tag{color:var(--orange)}
.entry-hot .go{color:var(--orange)}
@media(max-width:1000px){.entries-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.entries-grid{grid-template-columns:1fr}}

/* ── Ticker ──────────────────────────────────────────────── */
.ticker{
  border-top:1px solid var(--border);border-bottom:1px solid var(--border);
  overflow:hidden;white-space:nowrap;padding:14px 0;
  background:rgba(255,255,255,.015);
}
.ticker-track{display:inline-flex;animation:ticker 32s linear infinite}
.ticker:hover .ticker-track{animation-play-state:paused}
@keyframes ticker{to{transform:translateX(-50%)}}
.ticker span{
  font-family:var(--font-mono);font-size:12.5px;letter-spacing:.24em;
  text-transform:uppercase;color:var(--dim);padding-right:1.4rem;
}
.ticker .hot{color:var(--orange)}
.ticker .cool{color:var(--mint)}

/* ── Canonical footer (.qfoot variant used on all sub-pages) ── */
footer.qfoot{border-top:1px solid var(--border);margin-top:2rem;background:rgba(255,255,255,.015);padding:0}
.qfoot-grid{
  max-width:var(--max);margin:0 auto;padding:3.5rem 2rem 2.5rem;
  display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:2.5rem;
}
.qfoot-brand{font-family:var(--font-display);font-weight:800;font-size:17px;letter-spacing:-.02em;color:var(--text)}
.qfoot-brand em{font-style:normal;color:var(--orange)}
.qfoot-tag{margin-top:.8rem;font-size:13px;color:var(--muted);max-width:22rem}
.qfoot-tag b{color:var(--text);font-weight:500}
.qfoot-col h4{
  font-family:var(--font-mono);font-size:10.5px;letter-spacing:.2em;
  text-transform:uppercase;color:var(--dim);margin-bottom:1.1rem;font-weight:500;
}
.qfoot-col ul{list-style:none}
.qfoot-col li{margin-bottom:.55rem}
.qfoot-col a{font-size:13px;color:var(--muted);text-decoration:none;transition:color .2s;cursor:pointer}
.qfoot-col a:hover{color:var(--mint)}
.qfoot-col a.you{color:var(--text);pointer-events:none} /* current page: shown, not linked */
.qfoot-bar{
  border-top:1px solid var(--border);
  max-width:var(--max);margin:0 auto;padding:1.2rem 2rem;
  display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.06em;color:var(--dim);
}
@media(max-width:820px){.qfoot-grid{grid-template-columns:1fr 1fr}}

/* ── Reduced motion ──────────────────────────────────────── */
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}