/* ════════════════════════════════════════════════════════════
   IMPLICIT ACADEMICS · shared marketing-site styles (aurora)
   Used by about.html, pricing.html, contact.html (index.html
   carries the same values inline). One place, one look.
════════════════════════════════════════════════════════════ */
:root{
  --bg0:#070b18;--bg1:#0b1226;--bg2:#0f1730;
  --ink:#eef1fb;--muted:#9aa5c3;--line:#ffffff14;--line2:#ffffff22;
  --glass:#ffffff0a;--glass2:#ffffff10;
  --vio:#7c6bff;--vio2:#a78bfa;--blue:#5a8bff;--cyan:#3ce0d0;--amber:#ffb454;--amber2:#ff8a3d;
  --font:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
  --disp:"Space Grotesk","Inter",sans-serif;
  --rad:20px;
  --shadow:0 20px 60px #02040ecc;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--bg0);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
::selection{background:#7c6bff66}
.wrap{max-width:1160px;margin:0 auto;padding:0 24px}
.eyebrow{font-weight:700;font-size:12.5px;letter-spacing:.14em;text-transform:uppercase}
.btn{display:inline-flex;align-items:center;gap:9px;font-weight:700;font-size:15px;border-radius:14px;padding:14px 26px;cursor:pointer;border:1.5px solid transparent;transition:transform .15s,box-shadow .15s,background .15s,filter .15s}
.btn-hot{background:linear-gradient(135deg,var(--amber),var(--amber2));color:#2b1503;box-shadow:0 12px 32px #ff8a3d40}
.btn-hot:hover{transform:translateY(-2px);box-shadow:0 18px 42px #ff8a3d59;filter:brightness(1.04)}
.btn-glass{background:var(--glass2);border-color:var(--line2);color:var(--ink);backdrop-filter:blur(8px)}
.btn-glass:hover{background:#ffffff1c;transform:translateY(-2px)}
.btn-vio{background:linear-gradient(135deg,var(--vio),var(--blue));color:#fff;box-shadow:0 12px 32px #7c6bff40}
.btn-vio:hover{transform:translateY(-2px);box-shadow:0 18px 42px #7c6bff59}
.btn-lg{padding:16px 32px;font-size:16px}
.grad-text{background:linear-gradient(100deg,var(--vio2) 0%,var(--cyan) 50%,var(--amber) 100%);background-size:200% auto;-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent;animation:shimmer 7s linear infinite}
@keyframes shimmer{to{background-position:200% center}}

/* nav */
header{position:sticky;top:0;z-index:90;background:#070b18b8;backdrop-filter:blur(14px);border-bottom:1px solid var(--line);transition:box-shadow .2s,background .2s}
header.scrolled{background:#070b18e6;box-shadow:0 12px 40px #02040e99}
.nav{display:flex;align-items:center;padding:14px 0}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--disp);font-weight:700;font-size:17.5px;color:var(--ink)}
.brand img{height:34px}.brand em{color:var(--amber);font-style:normal}
.nav-links{margin-left:36px;display:flex;gap:24px}
.nav-links a{color:var(--muted);font-weight:600;font-size:14.5px;transition:color .12s;padding-bottom:2px}
.nav-links a:hover{color:var(--ink)}
.nav-links a.on{color:var(--ink);border-bottom:2px solid var(--amber)}
.nav-r{margin-left:auto;display:flex;align-items:center;gap:8px}
.nav-signin{font-weight:600;color:var(--muted);padding:9px 14px;font-size:14.5px}
.nav-signin:hover{color:var(--ink)}
.nav-cta{background:linear-gradient(135deg,var(--amber),var(--amber2));color:#2b1503;border-radius:11px;padding:10px 19px;font-weight:800;font-size:14.5px;box-shadow:0 8px 22px #ff8a3d33;transition:transform .14s,box-shadow .14s}
.nav-cta:hover{transform:translateY(-1px);box-shadow:0 12px 28px #ff8a3d4d}
/* mobile menu button (CSS-only, no JS): a hidden checkbox toggles the drawer.
   Requires markup order inside .nav: brand, #navToggle, .nav-links, .nav-r, label.nav-burger */
.nav-burger{display:none;margin-left:8px;width:42px;height:42px;border:1px solid var(--line2);border-radius:11px;background:var(--glass2);color:var(--ink);cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:4px;flex-shrink:0}
.nav-burger span{display:block;width:18px;height:2px;background:currentColor;border-radius:2px;transition:transform .2s,opacity .2s}
#navToggle{display:none}
@media(max-width:800px){
  .nav-links{position:fixed;inset:60px 0 auto 0;flex-direction:column;gap:0;margin:0;
    background:#0b1226f2;backdrop-filter:blur(14px);border-bottom:1px solid var(--line);
    padding:6px 20px 18px;transform:translateY(-140%);transition:transform .28s cubic-bezier(.2,.7,.2,1);z-index:80;pointer-events:none}
  .nav-links a{padding:14px 4px;font-size:16px;border-bottom:1px solid var(--line)}
  .nav-links a:last-child{border-bottom:none}
  .nav-links a.on{border-bottom:1px solid var(--line);color:var(--amber)}
  .nav-burger{display:flex}
  #navToggle:checked ~ .nav-links{transform:translateY(0);pointer-events:auto}
  #navToggle:checked ~ .nav-burger span:nth-child(1){transform:translateY(6px) rotate(45deg)}
  #navToggle:checked ~ .nav-burger span:nth-child(2){opacity:0}
  #navToggle:checked ~ .nav-burger span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
}
@media(max-width:440px){
  .nav-signin{display:none}
  .brand{font-size:15px}.brand img{height:30px}
  .nav-cta{padding:9px 14px;font-size:13.5px}
}

/* page hero (subpages) */
.phero{position:relative;overflow:hidden;text-align:center;padding:76px 24px 70px}
.phero::before{content:"";position:absolute;inset:0;background:
  radial-gradient(760px 520px at 12% -6%,#7c6bff33,transparent 62%),
  radial-gradient(900px 600px at 92% 4%,#5a8bff2e,transparent 60%);pointer-events:none}
.phero::after{content:"";position:absolute;inset:0;background:url("stem-bg-dark.svg");background-size:600px;opacity:.26;pointer-events:none;
  -webkit-mask-image:linear-gradient(180deg,#000 0%,transparent 92%);mask-image:linear-gradient(180deg,#000 0%,transparent 92%)}
.phero>*{position:relative;z-index:1}
.phero .eyebrow{color:var(--amber);margin:0 0 14px}
.phero h1{font-family:var(--disp);font-weight:700;font-size:48px;line-height:1.06;letter-spacing:-.03em;margin:0 0 16px}
.phero p{font-size:17.5px;max-width:640px;margin:0 auto;color:var(--muted)}
@media(max-width:700px){.phero h1{font-size:33px}}
@keyframes heroIn{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:none}}
.phero .eyebrow{animation:heroIn .7s both .05s}
.phero h1{animation:heroIn .7s both .12s}
.phero p{animation:heroIn .7s both .22s}

/* sections */
section{padding:76px 0;position:relative}
.kicker{text-align:center;color:var(--amber);margin:0 0 12px}
h2.sec{font-family:var(--disp);font-weight:700;font-size:36px;text-align:center;letter-spacing:-.025em;margin:0 0 14px}
@media(max-width:700px){h2.sec{font-size:28px}}
.sec-sub{text-align:center;color:var(--muted);max-width:640px;margin:0 auto 46px;font-size:16px}
.grid{display:grid;gap:20px}
.g2{grid-template-columns:1fr 1fr}
.g3{grid-template-columns:repeat(auto-fit,minmax(270px,1fr))}
@media(max-width:700px){.g2{grid-template-columns:1fr}}

/* glass cards */
.gcard{background:linear-gradient(165deg,var(--glass2),var(--glass));border:1px solid var(--line);border-radius:var(--rad);padding:28px;transition:transform .18s,border-color .18s}
.gcard:hover{transform:translateY(-4px);border-color:var(--line2)}
.gcard h3{font-family:var(--disp);font-weight:700;font-size:19px;margin:0 0 8px}
.gcard p{margin:0;color:var(--muted);font-size:14.5px}
.gcard .ic{width:48px;height:48px;border-radius:14px;display:flex;align-items:center;justify-content:center;margin-bottom:18px;background:linear-gradient(135deg,#7c6bff2e,#3ce0d01f);border:1px solid var(--line2);color:var(--vio2);transition:transform .25s}
.gcard:hover .ic{transform:scale(1.08) rotate(-4deg)}
.gcard .ic svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.gcard .tagline{color:var(--amber);font-weight:700;font-size:12.5px;letter-spacing:.1em;text-transform:uppercase;margin-bottom:12px}
.gcard ul.ticks{list-style:none;margin:0;padding:0}
.gcard ul.ticks li{padding-left:26px;position:relative;margin-bottom:10px;font-size:14.5px;color:var(--muted)}
.gcard ul.ticks li::before{content:"✓";position:absolute;left:0;color:var(--cyan);font-weight:800}

/* dark feature panel (e.g. beliefs) */
.panel{background:linear-gradient(165deg,#141d3a,#0e1530);border:1px solid var(--line);border-radius:22px;padding:32px;box-shadow:var(--shadow)}
.panel h3{font-family:var(--disp);font-weight:700;font-size:17px;margin:0 0 16px;color:var(--amber)}
.panel ul,.panel ol{margin:0;padding:0;list-style:none}
.panel li{display:flex;gap:12px;align-items:flex-start;margin-bottom:14px;font-size:14.5px;color:#cfd6ec}
.panel li:last-child{margin-bottom:0}
.panel .ck{flex-shrink:0;width:24px;height:24px;border-radius:50%;background:#3ce0d01f;color:var(--cyan);display:flex;align-items:center;justify-content:center;margin-top:1px;font-weight:800;font-size:13px}

/* split layout */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:50px;align-items:center}
@media(max-width:880px){.split{grid-template-columns:1fr;gap:32px}}
.split h2{font-family:var(--disp);font-weight:700;font-size:31px;letter-spacing:-.02em;margin:0 0 16px}
.split p{color:var(--muted);font-size:15.5px;margin:0 0 16px}

/* stats band */
.stats{border:1px solid var(--line);border-radius:26px;background:
  radial-gradient(560px 300px at 12% 0%,#7c6bff26,transparent 60%),
  radial-gradient(560px 300px at 88% 100%,#3ce0d01c,transparent 60%),
  linear-gradient(165deg,#101838,#0b1226);display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:20px;padding:44px 40px;text-align:center}
.stats .tn{font-family:var(--disp);font-weight:700;font-size:40px;font-variant-numeric:tabular-nums;background:linear-gradient(120deg,#fff,#b9c2ff);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.stats .tl{color:var(--muted);font-size:13.5px;margin-top:4px}

/* pricing */
.price-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(270px,1fr));gap:22px;max-width:1020px;margin:0 auto}
.price{background:linear-gradient(165deg,var(--glass2),var(--glass));border:1px solid var(--line);border-radius:22px;padding:32px;transition:transform .18s,border-color .18s;position:relative}
.price:hover{transform:translateY(-5px)}
.price.feat{background:linear-gradient(165deg,#191344ee,#0e1530f0);border:1px solid #7c6bff55;box-shadow:0 24px 70px #7c6bff2e}
.price .pill{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:linear-gradient(135deg,var(--vio),var(--blue));color:#fff;font-size:12px;font-weight:800;padding:5px 15px;border-radius:20px;box-shadow:0 8px 22px #7c6bff4d;white-space:nowrap}
.price h3{font-family:var(--disp);font-weight:700;font-size:19px;margin:0 0 4px}
.price .for{color:var(--muted);font-size:13px;margin:0}
.price .amt{font-family:var(--disp);font-weight:700;font-size:42px;margin:10px 0 2px}
.price .amt span{font-size:15px;color:var(--muted);font-weight:600}
.price .alt{color:var(--muted);font-size:12.5px;min-height:18px}
.price ul{list-style:none;margin:18px 0 24px;padding:0}
.price li{padding-left:26px;position:relative;margin-bottom:11px;font-size:14.5px;color:var(--muted)}
.price li::before{content:"✓";position:absolute;left:0;color:var(--cyan);font-weight:800}
.price li.na{opacity:.45}.price li.na::before{content:"✕";color:var(--muted)}
.price .btn{width:100%;justify-content:center}

/* faq */
.faq{max-width:780px;margin:0 auto}
.faq details{background:linear-gradient(165deg,var(--glass2),var(--glass));border:1px solid var(--line);border-radius:15px;padding:4px 22px;margin-bottom:12px;transition:border-color .15s}
.faq details[open]{border-color:var(--line2)}
.faq summary{cursor:pointer;font-weight:700;font-size:16px;padding:17px 0;list-style:none;display:flex;justify-content:space-between;align-items:center;font-family:var(--disp)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--amber);font-size:23px;font-weight:600;transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq p{margin:0 0 18px;color:var(--muted);font-size:14.5px}

/* final cta */
.final{position:relative;overflow:hidden;border-radius:28px;border:1px solid var(--line2);text-align:center;padding:70px 24px;background:
  radial-gradient(700px 380px at 20% -10%,#7c6bff40,transparent 60%),
  radial-gradient(700px 380px at 85% 110%,#3ce0d029,transparent 60%),
  linear-gradient(160deg,#141d3a,#0a0f22)}
.final::after{content:"";position:absolute;inset:0;background:url("stem-bg-dark.svg");background-size:540px;opacity:.24;pointer-events:none}
.final .wrap2{position:relative;z-index:1}
.final h2{font-family:var(--disp);font-weight:700;font-size:36px;margin:0 0 12px;letter-spacing:-.025em}
@media(max-width:700px){.final h2{font-size:27px}}
.final p{color:var(--muted);margin:0 auto 28px;max-width:480px}

/* footer */
footer{border-top:1px solid var(--line);background:#060a15;padding:52px 0 32px;color:var(--muted);font-size:13.5px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:28px;padding-bottom:32px}
@media(max-width:760px){.foot-grid{grid-template-columns:1fr 1fr}}
@media(max-width:460px){.foot-grid{grid-template-columns:1fr}}
.foot-grid .brand{margin-bottom:12px}
.foot-tag{font-size:13.5px;color:var(--muted);max-width:270px}
.foot-grid h5{font-family:var(--disp);font-weight:700;font-size:12.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink);margin:4px 0 13px}
.foot-grid ul{list-style:none;margin:0;padding:0}
.foot-grid li{margin-bottom:9px}
.foot-grid a{color:var(--muted);transition:color .12s}.foot-grid a:hover{color:var(--ink)}
.foot-base{border-top:1px solid var(--line);padding-top:22px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}

/* reveal on scroll */
.js .reveal{opacity:0;transform:translateY(30px);transition:opacity .75s cubic-bezier(.2,.7,.2,1),transform .75s cubic-bezier(.2,.7,.2,1);transition-delay:var(--d,0s)}
.js .reveal.in{opacity:1;transform:none}
.g3 .reveal:nth-child(2){--d:.12s}.g3 .reveal:nth-child(3){--d:.24s}
.price-grid .reveal:nth-child(2){--d:.12s}.price-grid .reveal:nth-child(3){--d:.24s}

@media(prefers-reduced-motion:reduce){
  *{scroll-behavior:auto!important;transition:none!important;animation:none!important}
  .js .reveal{opacity:1!important;transform:none!important}
  .grad-text{-webkit-text-fill-color:var(--vio2);color:var(--vio2)}
}