/* =========================================================
   audit-sec-x - Premium Dark Glass + Neon (Blue/Purple)
   ========================================================= */
:root{
  --bg0:#05060a; --bg1:#070a12;
  --card: rgba(255,255,255,.06);
  --stroke: rgba(255,255,255,.14);
  --text: rgba(255,255,255,.88);
  --muted: rgba(255,255,255,.66);
  --muted2: rgba(255,255,255,.52);
  --aqua:#53e3ff; --blue:#5b8dff; --purple:#b35bff; --pink:#ff5bd6;
  --shadow: 0 18px 60px rgba(0,0,0,.55);
  --radius: 18px; --radius2: 26px;
  --maxw: 1160px;
  --ease: cubic-bezier(.2,.8,.2,1);
}
*{ box-sizing:border-box; }
html,body{ height:100%; }
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
  color:var(--text);
  background:
    radial-gradient(900px 600px at 15% 10%, rgba(91,141,255,.18), transparent 60%),
    radial-gradient(800px 520px at 85% 18%, rgba(179,91,255,.16), transparent 60%),
    radial-gradient(900px 700px at 50% 120%, rgba(83,227,255,.10), transparent 55%),
    linear-gradient(180deg, var(--bg0), var(--bg1));
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed; inset:0; pointer-events:none;
  opacity:0;
  display: none;
}
.container{ width:min(var(--maxw), calc(100% - 40px)); margin:0 auto; }
.section{ padding: 84px 0; position:relative; }
.section.compact{ padding: 54px 0; }
.grid{ display:grid; gap:18px; }
.glass{
  background: var(--card);
  border: 1px solid var(--stroke);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
}
.neon{ position:relative; }
.neon::after{
  content:"";
  position:absolute; inset:-1px;
  border-radius: inherit;
  pointer-events:none;
  background:
    radial-gradient(180px 120px at 20% 20%, rgba(83,227,255,.35), transparent 60%),
    radial-gradient(220px 140px at 80% 10%, rgba(179,91,255,.30), transparent 62%),
    radial-gradient(220px 140px at 80% 90%, rgba(91,141,255,.22), transparent 62%);
  filter: blur(14px);
  opacity:.55;
  z-index:-1;
}
h1,h2,h3{ margin:0 0 10px; letter-spacing:-.02em; }
h1{ font-size: clamp(2.0rem, 3.6vw, 3.35rem); line-height:1.04; }
h2{ font-size: clamp(1.55rem, 2.2vw, 2.1rem); }
h3{ font-size: 1.05rem; color: rgba(255,255,255,.90); }
p{ margin:0 0 14px; color:var(--muted); line-height:1.65; }
.small{ font-size:.92rem; color:var(--muted2); }
.kicker{
  display:inline-flex; align-items:center; gap:10px;
  font-size:.85rem;
  padding:8px 12px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.16);
  background: rgba(255,255,255,.05);
}
.kdot{
  width:8px; height:8px; border-radius:50%;
  background: linear-gradient(135deg, var(--aqua), var(--purple));
  box-shadow: 0 0 18px rgba(83,227,255,.35);
}
a{ color:inherit; text-decoration:none; }
.nav{
  position:sticky; top:0; z-index:50;
  border-bottom: 1px solid rgba(255,255,255,.08);
  background: rgba(5,6,10,.45);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
}
.nav-inner{ display:flex; align-items:center; justify-content:space-between; padding:14px 0; }
.brand{ display:flex; align-items:center; gap:10px; font-weight:700; letter-spacing:.02em; }
.logo{
  width:34px; height:34px; border-radius:12px;
  background:
    radial-gradient(16px 12px at 30% 30%, rgba(83,227,255,.9), transparent 60%),
    radial-gradient(18px 14px at 70% 20%, rgba(179,91,255,.8), transparent 60%),
    linear-gradient(135deg, rgba(91,141,255,.45), rgba(179,91,255,.28));
  border: 1px solid rgba(255,255,255,.18);
  box-shadow: 0 12px 40px rgba(0,0,0,.35);
}
.nav-links{ display:flex; gap:14px; align-items:center; }
.nav-links a{
  padding:8px 10px; border-radius:10px;
  color: rgba(255,255,255,.76);
  transition: transform .25s var(--ease), background .25s var(--ease), color .25s var(--ease);
}
.nav-links a:hover{ background: rgba(255,255,255,.06); color: rgba(255,255,255,.92); transform: translateY(-1px); }
.nav-links a.active{
  color: rgba(255,255,255,.95);
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.12);
}
.nav-cta{ display:flex; align-items:center; gap:10px; }
.burger{
  display:none; width:44px; height:40px;
  border-radius:12px; border:1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.05); color: rgba(255,255,255,.9);
}
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:10px;
  padding: 10px 14px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.06);
  color: rgba(255,255,255,.92);
  cursor:pointer;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease);
  user-select:none;
}
.btn:hover{ transform: translateY(-1px); background: rgba(255,255,255,.08); }
.btn.primary{
  border: 1px solid rgba(83,227,255,.24);
  background:
    radial-gradient(180px 80px at 20% 30%, rgba(83,227,255,.22), transparent 60%),
    radial-gradient(180px 80px at 80% 20%, rgba(179,91,255,.18), transparent 62%),
    rgba(255,255,255,.06);
  box-shadow: 0 14px 50px rgba(0,0,0,.45);
}
.btn.small{ padding:8px 12px; border-radius:12px; font-size:.92rem; }
.btn.ghost{ background: transparent; }
.hero{ padding: 80px 0 34px; position:relative; overflow:hidden; }
.hero-card{ position:relative; padding: 34px; border-radius: var(--radius2); }
.hero-grid{ display:grid; grid-template-columns: 1.15fr .85fr; gap:22px; align-items:center; }
.hero-actions{ display:flex; gap:12px; flex-wrap:wrap; margin-top: 18px; }
#heroCanvas{ position:absolute; inset:0; width:100%; height:100%; pointer-events:none; opacity:.75; }
.hero-glow{
  position:absolute; inset:-60px -60px auto -60px; height:240px;
  background: radial-gradient(220px 140px at 20% 40%, rgba(83,227,255,.24), transparent 70%),
              radial-gradient(260px 180px at 70% 20%, rgba(179,91,255,.22), transparent 70%);
  filter: blur(18px); pointer-events:none;
}
.hero-metrics{ display:grid; gap:12px; }
.metric{
  padding:14px; border-radius:16px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.05);
}
.metric strong{ display:block; font-size:1.1rem; }
.metric span{ color: var(--muted2); font-size:.9rem; }
.cards-4{ grid-template-columns: repeat(4, 1fr); }
.cards-3{ grid-template-columns: repeat(3, 1fr); }
.card{
  padding:18px; border-radius:18px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.05);
  transition: transform .25s var(--ease), border-color .25s var(--ease), background .25s var(--ease);
  position:relative; overflow:hidden;
}
.card:hover{ transform: translateY(-3px); background: rgba(255,255,255,.07); border-color: rgba(83,227,255,.22); }
.icon{
  width:44px; height:44px; border-radius:14px;
  display:grid; place-items:center;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.06);
  margin-bottom:12px;
}
.icon svg{ width:22px; height:22px; opacity:.92; }
.card .tagrow{ display:flex; flex-wrap:wrap; gap:8px; margin-top:10px; }
.tag{
  font-size:.78rem; padding:6px 9px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.05);
  color: rgba(255,255,255,.72);
}
.res-wrap{ display:grid; grid-template-columns: 1fr 1fr; gap:18px; align-items:start; }
.form{ padding:18px; }
.form-row{ display:grid; grid-template-columns: 1fr 1fr; gap:12px; margin-bottom:12px; }
.field{ display:flex; flex-direction:column; gap:8px; }
label{ font-size:.88rem; color: rgba(255,255,255,.78); }
input, select, textarea{
  width:100%;
  padding: 12px 12px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(0,0,0,.22);
  color: rgba(255,255,255,.9);
  outline:none;
  transition: border-color .25s var(--ease), box-shadow .25s var(--ease);
}
textarea{ min-height: 110px; resize: vertical; }
input:focus, select:focus, textarea:focus{
  border-color: rgba(83,227,255,.35);
  box-shadow: 0 0 0 4px rgba(83,227,255,.10);
}
.helper{ font-size:.85rem; color: var(--muted2); }
.service-pills{ display:flex; gap:10px; flex-wrap:wrap; }
.pill{
  padding: 10px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.05);
  cursor:pointer;
  transition: transform .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease);
  user-select:none;
}
.pill:hover{ transform: translateY(-1px); background: rgba(255,255,255,.07); }
.pill.selected{
  border-color: rgba(179,91,255,.35);
  background:
    radial-gradient(160px 70px at 30% 20%, rgba(83,227,255,.14), transparent 60%),
    radial-gradient(160px 70px at 80% 30%, rgba(179,91,255,.16), transparent 62%),
    rgba(255,255,255,.06);
}
.stars{ display:flex; gap:4px; margin: 8px 0 10px; }
.star{ width:16px; height:16px; opacity:.95; filter: drop-shadow(0 0 10px rgba(83,227,255,.15)); }
.footer{ padding: 26px 0 44px; border-top: 1px solid rgba(255,255,255,.08); color: rgba(255,255,255,.65); }
.toast{
  position: fixed; bottom: 18px; left: 50%;
  transform: translateX(-50%);
  max-width: min(640px, calc(100% - 24px));
  padding: 12px 14px;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(0,0,0,.45);
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow);
  opacity:0; pointer-events:none;
  transition: opacity .25s var(--ease), transform .25s var(--ease);
}
.toast.show{ opacity:1; transform: translateX(-50%) translateY(-4px); }
.reveal{ opacity:0; transform: translateY(14px); transition: opacity .6s var(--ease), transform .6s var(--ease); }
.reveal.in-view{ opacity:1; transform: translateY(0); }
@media (max-width: 980px){
  .hero-grid{ grid-template-columns: 1fr; }
  .cards-4{ grid-template-columns: repeat(2, 1fr); }
  .cards-3{ grid-template-columns: 1fr; }
  .res-wrap{ grid-template-columns: 1fr; }
}
@media (max-width: 720px){
  .nav-links{
    position:absolute; top: 62px; left: 0; right: 0;
    padding: 10px 0; margin: 0 auto;
    width: min(var(--maxw), calc(100% - 40px));
    display:none; flex-direction:column; gap:8px;
  }
  .nav-links.open{
    display:flex;
    background: rgba(5,6,10,.75);
    border: 1px solid rgba(255,255,255,.10);
    border-radius: 16px;
    padding: 12px;
    backdrop-filter: blur(16px);
  }
  .burger{ display:inline-flex; align-items:center; justify-content:center; }
  .form-row{ grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce){
  *{ animation:none !important; transition:none !important; scroll-behavior:auto !important; }
}


/* Extra: tables for admin/dashboard */
.table{
  width:100%;
  border-collapse:separate;
  border-spacing:0;
  overflow:hidden;
  border-radius:16px;
  border:1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.04);
}
.table th,.table td{
  padding:10px 10px;
  border-bottom:1px solid rgba(255,255,255,.08);
  font-size:.92rem;
  color: rgba(255,255,255,.84);
  text-align:left;
  vertical-align:top;
}
.table th{ color: rgba(255,255,255,.70); font-weight:600; background: rgba(255,255,255,.03); }
.table tr:last-child td{ border-bottom:none; }
.mono{ font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace; }
/* Preserve the original visual language; complete classroom and mobile behavior. */
body{min-height:100vh} main{min-height:calc(100vh - 180px)}
.btn:disabled{opacity:.5;cursor:wait;transform:none}
:focus-visible{outline:2px solid var(--aqua);outline-offset:4px}
.toast{z-index:1000;background:#141927;max-width:min(640px,calc(100% - 24px))}
.pill{color:var(--text)} .pillrow{display:flex;gap:8px;flex-wrap:wrap}
.lead{max-width:760px;font-size:1.05rem} .table-wrap{overflow-x:auto}
.classroom{display:grid;grid-template-columns:minmax(0,2.2fr) minmax(260px,1fr);gap:20px;align-items:start}
video{width:100%;max-height:65vh;background:#02040a;display:block;border-radius:14px;aspect-ratio:16/9}
.lesson-list{display:grid;gap:10px}.lesson-list button{text-align:left;justify-content:flex-start;width:100%;white-space:normal}
.lesson-list button.selected{border-color:var(--aqua);background:rgba(83,227,255,.12)}
.stack{display:grid;gap:14px}.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.prose{white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.7}.meta{font-size:.85rem;color:var(--muted2)}
.notice{padding:16px;border:1px solid rgba(83,227,255,.25);border-radius:14px;background:rgba(83,227,255,.06)}
.empty{padding:30px;text-align:center;border:1px dashed var(--stroke);border-radius:18px;color:var(--muted)}
progress{width:100%;height:12px;accent-color:var(--aqua)}.card h3{overflow-wrap:anywhere}
input[type=checkbox]{width:auto} select option{background:#111728;color:#fff}
.card:has(video):hover{transform:none}.nav-inner{gap:14px}.nav-links{gap:2px}.nav-links a{padding:8px 7px}
@media(max-width:1100px){.nav-links{font-size:.86rem}.nav-cta{gap:4px}.nav-cta .btn{padding:8px}.brand{font-size:.93rem}}
@media(max-width:800px){.grid[style*="grid-template-columns"]{grid-template-columns:1fr!important}.classroom{grid-template-columns:1fr}.section{padding:40px 0}.hero{padding-top:32px}.hero-card{padding:22px}.nav-cta #navWelcome{display:none!important}.nav-inner{flex-wrap:wrap}.nav-links{top:100%;z-index:60}.nav-cta{margin-left:auto}.container{width:calc(100% - 28px)}}
@media(min-width:721px) and (max-width:1000px){.nav-inner{flex-wrap:wrap}.nav-links{order:3;width:100%;justify-content:center}.nav-cta{margin-left:auto}}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none}}
[hidden]{display:none!important}
.hero-inner{display:grid;grid-template-columns:1.15fr .85fr;align-items:center;gap:28px}
@media(max-width:800px){.hero-inner{grid-template-columns:1fr}}