/* LEARN HUB — neon-noir Vice City styling. Page-specific. */
@font-face{
  font-family:'Pricedown';
  src:url('../fonts/Pricedown%20Bl.otf') format('opentype');
  font-weight:400;
  font-style:normal;
  font-display:swap;
}

:root{
  color-scheme:dark;
  --paper:#0b0817;
  --surface:#171126;
  --ink:#f8f3ff;
  --muted:#b6abd8;
  --line:#3d3160;
  --acid:#ff2e88;
  --acid-ink:#23000f;
  --cyan:#00e5ff;
  --coral:#ff9f43;
  --shadow:rgba(0,0,0,.55);
  --soft:rgba(255,255,255,.05);
  --max:1180px;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:'Manrope',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  line-height:1.55;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  pointer-events:none;
  background:
    radial-gradient(60vw 34vw at 8% -6%, rgba(255,46,136,.14), transparent 60%),
    radial-gradient(52vw 30vw at 96% 4%, rgba(0,229,255,.10), transparent 60%),
    radial-gradient(70vw 40vw at 50% 110%, rgba(255,159,67,.08), transparent 60%);
}

.wrap{max-width:var(--max);margin:0 auto;padding:0 18px}

/* ---------- Phone app bar ---------- */
.leo-appbar{
  position:sticky;
  top:0;
  z-index:60;
  display:flex;
  align-items:center;
  gap:12px;
  padding:10px 16px;
  background:rgba(11,8,23,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.leo-back{
  flex:0 0 auto;
  display:flex;
  align-items:center;
  justify-content:center;
  width:42px;
  height:42px;
  border-radius:13px;
  background:rgba(255,45,120,.13);
  border:1px solid rgba(255,45,120,.55);
  color:#ff6fa5;
  font-size:26px;
  line-height:1;
  text-decoration:none;
  font-family:'Pricedown','Bebas Neue',sans-serif;
}
.leo-appname{
  flex:1 1 auto;
  font-family:'Pricedown','Bebas Neue',sans-serif;
  font-size:30px;
  letter-spacing:.03em;
  background:linear-gradient(92deg,#ff2d78,#ff9a3c 55%,#22d3ee);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.leo-appstars{color:var(--coral);letter-spacing:2px;font-size:15px}

/* ---------- Primary nav ---------- */
.nav-toggle{display:none}
.site-nav{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  padding:14px 0 4px;
}
.nav-link{
  display:inline-flex;
  align-items:center;
  padding:9px 14px;
  border:1px solid transparent;
  border-radius:999px;
  color:var(--muted);
  font-size:13px;
  font-weight:600;
  letter-spacing:.08em;
  text-transform:uppercase;
  text-decoration:none;
  transition:border-color .2s,background .2s,color .2s;
}
.nav-link:hover{border-color:var(--line);background:var(--surface);color:var(--ink)}
.nav-link[aria-current="page"]{border-color:var(--acid);color:#fff;background:rgba(255,46,136,.14)}
.nav-link.primary{
  margin-left:auto;
  background:var(--ink);
  color:var(--paper);
  border-color:var(--ink);
  box-shadow:0 0 0 1px rgba(255,46,136,.35),0 6px 24px rgba(255,46,136,.28);
}
.sfx-toggle{
  border:1px solid var(--line);
  background:var(--surface);
  color:var(--ink);
  border-radius:999px;
  width:42px;
  height:42px;
  cursor:pointer;
  font-size:17px;
}
.wanted{
  display:flex;
  justify-content:center;
  gap:10px;
  padding:6px 0 0;
  color:var(--coral);
  font-size:15px;
}

/* ---------- Hero ---------- */
.learn-hero{
  text-align:center;
  padding:34px 0 10px;
}
.kicker{
  display:inline-block;
  font-size:13px;
  font-weight:700;
  letter-spacing:.28em;
  text-transform:uppercase;
  color:var(--cyan);
  border:1px solid rgba(0,229,255,.4);
  border-radius:999px;
  padding:6px 16px;
  margin-bottom:14px;
  background:rgba(0,229,255,.06);
}
.learn-hero h1{
  font-family:'Pricedown','Bebas Neue',sans-serif;
  font-size:clamp(52px,9vw,104px);
  line-height:.95;
  margin:0 0 12px;
  letter-spacing:.01em;
  background:linear-gradient(93deg,#ff2d78 10%,#ff9a3c 48%,#22d3ee 90%);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  text-shadow:0 0 42px rgba(255,46,136,.25);
}
.learn-lede{
  max-width:640px;
  margin:0 auto;
  color:var(--muted);
  font-size:16px;
}
.learn-badges{
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:8px;
  margin-top:16px;
}
.trust-badge{
  font-size:13px;
  font-weight:600;
  color:var(--ink);
  border:1px solid var(--line);
  background:var(--surface);
  border-radius:999px;
  padding:6px 13px;
}

/* ---------- Toolbar: chips + search ---------- */
.learn-toolbar{
  position:sticky;
  top:64px;
  z-index:40;
  margin:26px 0 8px;
  padding:12px;
  background:rgba(23,17,38,.92);
  border:1px solid var(--line);
  border-radius:18px;
  backdrop-filter:blur(10px);
}
.learn-chips{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-bottom:10px;
}
.learn-chip{
  border:1px solid var(--line);
  background:transparent;
  color:var(--muted);
  border-radius:999px;
  padding:9px 16px;
  font-size:14px;
  font-weight:700;
  letter-spacing:.04em;
  cursor:pointer;
  transition:all .18s;
  min-height:42px;
}
.learn-chip:hover{border-color:var(--cyan);color:var(--ink)}
.learn-chip.is-active,
.learn-chip[aria-pressed="true"]{
  background:linear-gradient(93deg,rgba(255,46,136,.25),rgba(0,229,255,.18));
  border-color:var(--acid);
  color:#fff;
  box-shadow:0 0 18px rgba(255,46,136,.28);
}
.learn-search-wrap{position:relative}
.learn-search-wrap label{position:absolute;left:16px;top:50%;transform:translateY(-50%);font-size:17px}
#learn-search{
  width:100%;
  padding:13px 16px 13px 44px;
  border-radius:12px;
  border:1px solid var(--line);
  background:#0e0a1d;
  color:var(--ink);
  font-size:16px;
}
#learn-search:focus{outline:2px solid var(--cyan);outline-offset:2px}
.learn-count{
  text-align:center;
  color:var(--muted);
  font-size:14px;
  letter-spacing:.06em;
  margin:14px 0 4px;
  text-transform:uppercase;
}

/* ---------- School groups + course cards ---------- */
.school-group{margin:26px 0 0}
.school-heading{
  display:flex;
  align-items:center;
  gap:12px;
  margin:0 0 14px;
  font-family:'Pricedown','Bebas Neue',sans-serif;
  font-size:34px;
  letter-spacing:.02em;
  color:#fff;
}
.school-heading .school-count{
  font-family:'IBM Plex Mono',monospace;
  font-size:13px;
  letter-spacing:.1em;
  color:var(--cyan);
  border:1px solid rgba(0,229,255,.4);
  border-radius:999px;
  padding:4px 12px;
}
.course-cards{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(300px,1fr));
  gap:14px;
}
.course-card{
  display:flex;
  flex-direction:column;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:16px;
  padding:18px;
  transition:transform .2s,border-color .2s,box-shadow .2s;
}
.course-card:hover{
  transform:translateY(-3px);
  border-color:rgba(255,46,136,.6);
  box-shadow:0 12px 34px rgba(0,0,0,.5),0 0 24px rgba(255,46,136,.15);
}
.course-top{display:flex;gap:12px;align-items:flex-start;margin-bottom:8px}
.school-badge{
  flex:0 0 auto;
  display:flex;
  align-items:center;
  justify-content:center;
  width:46px;
  height:46px;
  border-radius:12px;
  font-family:'Pricedown','Bebas Neue',sans-serif;
  font-size:19px;
  letter-spacing:.04em;
  color:#fff;
  background:linear-gradient(135deg,rgba(255,46,136,.5),rgba(0,229,255,.35));
  border:1px solid rgba(255,46,136,.55);
}
.course-title{
  margin:0 0 2px;
  font-size:18px;
  font-weight:700;
  line-height:1.25;
  color:#fff;
}
.course-school{
  margin:0;
  font-size:14px;
  letter-spacing:.08em;
  text-transform:uppercase;
  color:var(--cyan);
  font-weight:600;
}
.course-desc{margin:8px 0 12px;color:var(--muted);font-size:14.5px;flex:1}
.course-meta{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:8px;
  margin:0 0 14px;
  padding:0;
}
.course-meta div{
  background:rgba(255,255,255,.03);
  border:1px solid var(--line);
  border-radius:10px;
  padding:7px 9px;
}
.course-meta dt{
  font-size:12px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--muted);
  margin-bottom:2px;
}
.course-meta dd{
  margin:0;
  font-size:14px;
  font-weight:600;
  color:var(--ink);
}
.course-foot{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  margin-top:auto;
}
.cost-pill{
  font-size:13px;
  font-weight:700;
  letter-spacing:.1em;
  text-transform:uppercase;
  border-radius:999px;
  padding:6px 13px;
  border:1px solid;
  white-space:nowrap;
}
.cost-free{color:#7dffb0;border-color:rgba(125,255,176,.5);background:rgba(125,255,176,.08)}
.cost-audit{color:var(--cyan);border-color:rgba(0,229,255,.5);background:rgba(0,229,255,.08)}
.cost-enroll{color:var(--coral);border-color:rgba(255,159,67,.5);background:rgba(255,159,67,.08)}
.course-link{
  display:inline-flex;
  align-items:center;
  min-height:44px;
  padding:9px 16px;
  border-radius:12px;
  font-size:14px;
  font-weight:700;
  letter-spacing:.04em;
  text-decoration:none;
  color:#fff;
  background:linear-gradient(93deg,#ff2d78,#ff7a3c);
  box-shadow:0 0 0 1px rgba(255,46,136,.35),0 6px 24px rgba(255,46,136,.28);
}
.course-link:hover{filter:brightness(1.12)}
.course-link:focus-visible,
.learn-chip:focus-visible,
.learn-reset:focus-visible{
  outline:2px solid var(--cyan);
  outline-offset:3px;
}

/* ---------- Empty state ---------- */
.learn-empty{
  text-align:center;
  border:1px dashed var(--line);
  border-radius:16px;
  padding:44px 22px;
  color:var(--muted);
  grid-column:1 / -1;
}
.learn-empty-title{
  font-family:'Pricedown','Bebas Neue',sans-serif;
  font-size:30px;
  color:#fff;
  margin:0 0 8px;
}
.learn-reset{
  margin-top:14px;
  border:1px solid var(--acid);
  background:rgba(255,46,136,.12);
  color:#fff;
  border-radius:999px;
  padding:11px 24px;
  font-size:14px;
  font-weight:700;
  cursor:pointer;
}

/* ---------- Notes section ---------- */
.learn-notes{
  margin:44px 0 10px;
  border:1px solid var(--line);
  border-radius:18px;
  background:var(--surface);
  padding:26px;
}
.learn-notes h2{
  font-family:'Pricedown','Bebas Neue',sans-serif;
  font-size:30px;
  margin:0 0 10px;
  color:#fff;
  letter-spacing:.02em;
}
.learn-notes p,.learn-notes li{color:var(--muted);font-size:14.5px}
.learn-notes ul{padding-left:20px;margin:10px 0}
.learn-notes li{margin-bottom:6px}
.learn-notes strong{color:var(--ink)}

/* ---------- Footer ---------- */
footer#disclosure{
  margin-top:40px;
  border-top:1px solid var(--line);
  background:#0e0a1c;
}
.footer-grid{
  display:grid;
  gap:14px;
  padding:26px 18px 34px;
}
.footer-grid p{color:var(--muted);font-size:14px;margin:0}
.footer-grid strong{color:var(--ink)}
.footer-links{display:flex;flex-wrap:wrap;gap:6px 18px}
.footer-links a{color:var(--cyan);font-size:14px;text-decoration:none}
.footer-links a:hover{text-decoration:underline}

/* ---------- Mobile ---------- */
@media(max-width:900px){
  .nav-toggle{
    display:flex;
    position:fixed;
    top:56px;
    right:12px;
    z-index:80;
    width:48px;
    height:48px;
    flex-direction:column;
    align-items:center;
    justify-content:center;
    gap:5px;
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:12px;
    cursor:pointer;
    box-shadow:0 8px 28px rgba(0,0,0,.5);
  }
  .nav-toggle span{display:block;width:22px;height:2px;background:var(--ink);border-radius:2px}
  .nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
  .nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .site-nav{
    display:none;
    position:fixed;
    top:112px;
    right:12px;
    left:12px;
    z-index:70;
    flex-direction:column;
    align-items:stretch;
    background:rgba(23,17,38,.98);
    border:1px solid var(--line);
    border-radius:16px;
    padding:10px;
    gap:4px;
  }
  body.nav-open .site-nav{display:flex}
  body.nav-open .nav-link{display:flex;align-items:center;min-height:48px;padding:12px 14px;font-size:14px;border-radius:10px}
  body.nav-open .nav-link:hover{background:var(--soft)}
  .nav-link.primary{margin-left:0}
  .learn-toolbar{top:58px}
  .course-meta{grid-template-columns:1fr 1fr}
  .school-heading{font-size:28px}
  .learn-hero h1{font-size:58px}
}

@media(prefers-reduced-motion:reduce){
  .course-card:hover{transform:none}
  *{transition:none !important}
}