/* ===== AI MASTERMIND — MODULE PAGES ===== */
*{margin:0;padding:0;box-sizing:border-box}

:root{
  --bg-deep:#050510;
  --bg-space:#0A0A1F;
  --panel:#10102A;
  --glass:rgba(139,92,246,.06);
  --glass-border:rgba(139,92,246,.22);
  --glass-border-soft:rgba(139,92,246,.12);
  --purple:#8B5CF6;
  --purple-bright:#A78BFA;
  --cyan:#22D3EE;
  --green:#34D399;
  --amber:#FBBF24;
  --red:#F87171;
  --text-hi:#F1F0FF;
  --text-mid:#B4B2CE;
  --text-low:#7B799F;
  --grad-main:linear-gradient(120deg,#22D3EE 0%,#8B5CF6 55%,#C084FC 100%);
  --grad-btn:linear-gradient(120deg,#7C3AED,#8B5CF6 50%,#06B6D4);
  --font:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
  --mono:ui-monospace,SFMono-Regular,'SF Mono',Menlo,Consolas,monospace;
}

html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  background:var(--bg-deep);
  color:var(--text-mid);
  line-height:1.75;
  font-size:17px;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}

h1,h2,h3,h4{color:var(--text-hi);line-height:1.2;text-wrap:balance;font-weight:800;letter-spacing:-.02em}
a{color:var(--cyan);text-decoration:none}
a:hover{text-decoration:underline}
strong{color:var(--text-hi);font-weight:700}

.grad-text{
  background:var(--grad-main);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
}

/* ===== NAV ===== */
nav{
  position:sticky;top:0;z-index:200;
  background:rgba(5,5,16,.8);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(139,92,246,.14);
}
nav .wrap{
  max-width:1140px;margin:0 auto;padding:0 1.5rem;
  display:flex;align-items:center;justify-content:space-between;
  height:66px;gap:1rem;
}
.logo{display:flex;align-items:center;gap:.65rem;font-weight:800;font-size:1.08rem;color:var(--text-hi)}
.logo:hover{text-decoration:none}
.logo img{height:38px;width:auto;display:block;filter:drop-shadow(0 0 12px rgba(34,211,238,.35))}
.logo em{font-style:normal;background:var(--grad-main);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.nav-cta{
  background:var(--grad-btn);color:#fff !important;
  padding:.58rem 1.3rem;border-radius:10px;font-weight:700;font-size:.86rem;
  box-shadow:0 0 20px rgba(139,92,246,.4);
  transition:transform .25s,box-shadow .25s;white-space:nowrap;
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 0 30px rgba(139,92,246,.65);text-decoration:none}

/* ===== LAYOUT ===== */
.wrap{max-width:1140px;margin:0 auto;padding:0 1.5rem}
.article{max-width:760px;margin:0 auto;padding:0 1.5rem}

/* ===== HERO ===== */
.mod-hero{
  padding:4rem 0 3.25rem;
  background:
    radial-gradient(ellipse 70% 60% at 50% -10%,rgba(124,58,237,.26),transparent 62%),
    var(--bg-deep);
  border-bottom:1px solid var(--glass-border-soft);
}
.crumb{
  display:flex;align-items:center;gap:.5rem;flex-wrap:wrap;
  font-size:.82rem;color:var(--text-low);margin-bottom:1.5rem;
}
.crumb a{color:var(--text-low)}
.crumb a:hover{color:var(--cyan)}
.crumb span{opacity:.5}
.mod-badge{
  display:inline-flex;align-items:center;gap:.6rem;
  font-size:.75rem;font-weight:800;letter-spacing:.16em;text-transform:uppercase;
  color:var(--purple-bright);
  border:1px solid var(--glass-border);
  background:var(--glass);
  padding:.42rem 1rem;border-radius:100px;
  margin-bottom:1.4rem;
}
.mod-badge b{
  background:var(--purple);color:#fff;
  width:20px;height:20px;border-radius:6px;
  display:grid;place-items:center;font-size:.7rem;
  font-variant-numeric:tabular-nums;
}
.mod-hero h1{font-size:clamp(2rem,5vw,3.1rem);margin-bottom:1.15rem}
.mod-hero .standfirst{
  font-size:1.16rem;color:var(--text-mid);max-width:660px;
}
.meta-row{
  display:flex;gap:1.75rem;flex-wrap:wrap;margin-top:2rem;
  padding-top:1.5rem;border-top:1px solid var(--glass-border-soft);
  font-size:.85rem;color:var(--text-low);
}
.meta-row b{color:var(--text-hi);font-weight:700}

/* ===== ARTICLE BODY ===== */
.body{padding:3.5rem 0 1rem}
.body h2{
  font-size:clamp(1.5rem,3.2vw,2rem);
  margin:3.25rem 0 1.1rem;
  padding-top:.5rem;
}
.body h2:first-child{margin-top:0}
.body h3{font-size:1.22rem;margin:2.25rem 0 .85rem}
.body h4{font-size:1.05rem;margin:1.75rem 0 .6rem;color:var(--purple-bright)}
.body p{margin-bottom:1.15rem}
.body>ul,.body>ol{margin:0 0 1.4rem 1.35rem}
.body li{margin-bottom:.6rem;padding-left:.3rem}
.body ul li::marker{color:var(--purple)}
.body ol li::marker{color:var(--purple-bright);font-weight:700}

.lede{
  font-size:1.12rem;color:var(--text-hi);font-weight:600;
  border-left:3px solid var(--purple);
  padding-left:1.25rem;margin-bottom:2rem;
}

/* ===== CALLOUTS ===== */
.callout{
  border-radius:14px;padding:1.5rem 1.6rem;margin:2rem 0;
  border:1px solid var(--glass-border-soft);
  background:var(--glass);
}
.callout .ctitle{
  display:flex;align-items:center;gap:.6rem;
  font-weight:800;color:var(--text-hi);font-size:1rem;
  margin-bottom:.7rem;letter-spacing:-.01em;
}
.callout p:last-child{margin-bottom:0}
.callout ul{margin:.5rem 0 0 1.2rem}
.callout li{margin-bottom:.45rem}
.callout.insight{border-color:rgba(139,92,246,.34);background:rgba(139,92,246,.08)}
.callout.insight .ctitle{color:var(--purple-bright)}
.callout.warn{border-color:rgba(251,191,36,.32);background:rgba(251,191,36,.06)}
.callout.warn .ctitle{color:var(--amber)}
.callout.do{border-color:rgba(52,211,153,.32);background:rgba(52,211,153,.06)}
.callout.do .ctitle{color:var(--green)}

/* ===== KEY LINE ===== */
.keyline{
  text-align:center;margin:2.5rem 0;padding:2rem 1.5rem;
  border-radius:16px;
  background:linear-gradient(160deg,rgba(139,92,246,.12),rgba(34,211,238,.05));
  border:1px solid var(--glass-border);
}
.keyline p{
  font-size:1.25rem;font-weight:800;line-height:1.4;margin:0;
  background:var(--grad-main);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}

/* ===== STEPS ===== */
.steps{display:flex;flex-direction:column;gap:1.15rem;margin:2rem 0}
.step{
  display:grid;grid-template-columns:46px 1fr;gap:1.15rem;
  background:linear-gradient(180deg,rgba(16,16,42,.9),rgba(10,10,31,.9));
  border:1px solid var(--glass-border-soft);
  border-radius:14px;padding:1.5rem 1.6rem;
}
.step-n{
  width:38px;height:38px;border-radius:10px;
  background:rgba(139,92,246,.16);border:1px solid var(--glass-border);
  display:grid;place-items:center;
  font-weight:900;font-size:.95rem;color:var(--purple-bright);
  font-variant-numeric:tabular-nums;
}
.step h4{margin:0 0 .45rem;color:var(--text-hi);font-size:1.06rem}
.step p:last-child{margin-bottom:0}
.step p{font-size:.97rem;margin-bottom:.7rem}
.step ul{margin:.5rem 0 0 1.15rem}
.step li{font-size:.95rem;margin-bottom:.4rem}

/* ===== PROMPT / CODE BLOCK ===== */
.prompt{
  background:#07071A;
  border:1px solid var(--glass-border-soft);
  border-radius:12px;
  margin:1.5rem 0;
  overflow:hidden;
}
.prompt-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:.7rem 1.1rem;
  border-bottom:1px solid var(--glass-border-soft);
  background:rgba(139,92,246,.06);
  font-size:.76rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;
  color:var(--purple-bright);
}
.prompt-body{
  padding:1.25rem 1.1rem;
  font-family:var(--mono);font-size:.87rem;line-height:1.7;
  color:#D6D4F0;white-space:pre-wrap;word-break:break-word;
  overflow-x:auto;
}
.prompt-body .fill{color:var(--cyan)}

/* ===== TABLE ===== */
.tbl-wrap{overflow-x:auto;margin:1.75rem 0;border-radius:12px;border:1px solid var(--glass-border-soft)}
table{width:100%;border-collapse:collapse;font-size:.93rem;min-width:520px}
th{
  background:rgba(139,92,246,.1);
  color:var(--text-hi);font-weight:800;text-align:left;
  padding:.85rem 1rem;font-size:.8rem;letter-spacing:.06em;text-transform:uppercase;
  border-bottom:1px solid var(--glass-border-soft);
}
td{padding:.85rem 1rem;border-bottom:1px solid rgba(139,92,246,.08);vertical-align:top}
tr:last-child td{border-bottom:none}
td:first-child{color:var(--text-hi);font-weight:600}
.tnum{font-variant-numeric:tabular-nums;text-align:right}

/* ===== WORKSHEET ===== */
.sheet{
  background:linear-gradient(180deg,rgba(16,16,42,.92),rgba(10,10,31,.92));
  border:1px solid var(--glass-border);
  border-radius:16px;padding:2rem 1.9rem;margin:2.25rem 0;
}
.sheet h3{margin-top:0;display:flex;align-items:center;gap:.6rem}
.sheet .field{margin-bottom:1.4rem}
.sheet .field:last-child{margin-bottom:0}
.sheet label{
  display:block;font-size:.88rem;font-weight:700;color:var(--text-hi);
  margin-bottom:.5rem;
}
.sheet .line{
  height:38px;border-radius:8px;
  background:rgba(5,5,16,.6);
  border:1px dashed rgba(139,92,246,.3);
}
.sheet .line.tall{height:76px}
.sheet .hint{font-size:.83rem;color:var(--text-low);margin-top:.4rem}

/* ===== SCORE SCALE ===== */
.scale{display:flex;flex-direction:column;gap:.7rem;margin:1.5rem 0}
.scale-row{
  display:grid;grid-template-columns:1fr auto;gap:1rem;align-items:center;
  background:var(--glass);border:1px solid var(--glass-border-soft);
  border-radius:10px;padding:.9rem 1.1rem;
}
.scale-row span{font-size:.95rem;color:var(--text-mid)}
.scale-row b{
  font-family:var(--mono);color:var(--purple-bright);
  font-size:.9rem;white-space:nowrap;
}

/* ===== BAND CARDS ===== */
.bands{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem;margin:1.75rem 0}
.band{
  border-radius:14px;padding:1.4rem 1.5rem;
  border:1px solid var(--glass-border-soft);
  background:linear-gradient(180deg,rgba(16,16,42,.9),rgba(10,10,31,.9));
}
.band .rng{
  font-family:var(--mono);font-size:.8rem;font-weight:700;
  color:var(--cyan);letter-spacing:.05em;
}
.band h4{margin:.35rem 0 .5rem;color:var(--text-hi);font-size:1.08rem}
.band p{font-size:.92rem;margin:0;color:var(--text-low)}

/* ===== TWO-COL COMPARE ===== */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:1.15rem;margin:1.75rem 0}
.cmp{border-radius:14px;padding:1.4rem 1.5rem;border:1px solid var(--glass-border-soft);background:rgba(10,10,31,.6)}
.cmp.bad{border-color:rgba(248,113,113,.28);background:rgba(248,113,113,.05)}
.cmp.good{border-color:rgba(52,211,153,.3);background:rgba(52,211,153,.05)}
.cmp h4{margin:0 0 .7rem;font-size:.82rem;letter-spacing:.12em;text-transform:uppercase}
.cmp.bad h4{color:var(--red)}
.cmp.good h4{color:var(--green)}
.cmp p{font-size:.93rem;margin:0;line-height:1.6}
.cmp code{font-family:var(--mono);font-size:.86rem;color:var(--text-hi)}

/* ===== MISTAKE LIST ===== */
.mistakes{display:flex;flex-direction:column;gap:1rem;margin:1.75rem 0}
.mistake{
  border:1px solid var(--glass-border-soft);border-radius:14px;
  padding:1.35rem 1.5rem;background:rgba(10,10,31,.6);
}
.mistake .m{
  display:flex;align-items:flex-start;gap:.6rem;
  font-weight:700;color:var(--red);font-size:.98rem;margin-bottom:.6rem;
}
.mistake .m::before{content:"✕";font-weight:900;flex-shrink:0}
.mistake .f{
  display:flex;align-items:flex-start;gap:.6rem;
  font-size:.95rem;color:var(--text-mid);
}
.mistake .f::before{content:"→";color:var(--green);font-weight:900;flex-shrink:0}

/* ===== CTA ===== */
.mod-cta{
  margin:4rem 0 0;padding:4rem 0;
  background:
    radial-gradient(ellipse 60% 60% at 50% 100%,rgba(124,58,237,.26),transparent 65%),
    var(--bg-space);
  border-top:1px solid var(--glass-border-soft);
  text-align:center;
}
.mod-cta h2{font-size:clamp(1.6rem,3.6vw,2.3rem);margin-bottom:1rem}
.mod-cta p{max-width:560px;margin:0 auto 2rem}
.btn-row{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}
.btn-primary,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:.6rem;
  padding:1.05rem 2.2rem;border-radius:12px;
  font-weight:700;font-size:1rem;cursor:pointer;border:none;
  transition:transform .25s,box-shadow .25s,background .25s;
  font-family:var(--font);
}
.btn-primary{background:var(--grad-btn);color:#fff;box-shadow:0 8px 32px rgba(124,58,237,.45)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 12px 44px rgba(124,58,237,.65);text-decoration:none}
.btn-ghost{background:rgba(34,211,238,.06);color:var(--cyan);border:1px solid rgba(34,211,238,.35)}
.btn-ghost:hover{transform:translateY(-3px);background:rgba(34,211,238,.12);text-decoration:none}

/* ===== PREV / NEXT ===== */
.pager{
  display:grid;grid-template-columns:1fr 1fr;gap:1rem;
  max-width:760px;margin:0 auto;padding:2.5rem 1.5rem 0;
}
.pg{
  border:1px solid var(--glass-border-soft);border-radius:14px;
  padding:1.25rem 1.4rem;background:rgba(10,10,31,.6);
  transition:border-color .25s,transform .25s;
}
.pg:hover{border-color:var(--glass-border);transform:translateY(-3px);text-decoration:none}
.pg small{
  display:block;font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--text-low);font-weight:700;margin-bottom:.35rem;
}
.pg b{color:var(--text-hi);font-size:.98rem;font-weight:700;line-height:1.35;display:block}
.pg.next{text-align:right}
.pg.empty{visibility:hidden}

/* ===== ALL MODULES STRIP ===== */
.allmods{padding:3.5rem 0 4rem;background:var(--bg-deep);border-top:1px solid var(--glass-border-soft)}
.allmods h3{text-align:center;font-size:1.25rem;margin-bottom:1.75rem}
.mod-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:.85rem}
.mod-chip{
  display:flex;align-items:center;gap:.7rem;
  border:1px solid var(--glass-border-soft);border-radius:11px;
  padding:.85rem 1rem;background:var(--glass);
  font-size:.88rem;color:var(--text-mid);font-weight:600;line-height:1.35;
  transition:border-color .25s,transform .25s,color .25s;
}
.mod-chip:hover{border-color:var(--glass-border);color:var(--text-hi);transform:translateY(-2px);text-decoration:none}
.mod-chip.here{border-color:var(--purple);background:rgba(139,92,246,.12);color:var(--text-hi)}
.mod-chip i{
  font-style:normal;flex-shrink:0;
  width:24px;height:24px;border-radius:7px;
  background:rgba(139,92,246,.18);border:1px solid var(--glass-border-soft);
  display:grid;place-items:center;font-size:.74rem;font-weight:900;
  color:var(--purple-bright);font-variant-numeric:tabular-nums;
}

/* ===== FOOTER ===== */
footer{background:var(--bg-space);border-top:1px solid var(--glass-border-soft);padding:2.5rem 0}
.foot{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:1rem}
.foot p{font-size:.84rem;color:var(--text-low);margin:0}
.foot-motto{font-weight:700;background:var(--grad-main);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}

/* ===== RESPONSIVE ===== */
@media (max-width:900px){
  .mod-grid{grid-template-columns:repeat(2,1fr)}
  .bands{grid-template-columns:1fr}
}
@media (max-width:680px){
  body{font-size:16px}
  .mod-hero{padding:2.75rem 0 2.25rem}
  .body{padding:2.5rem 0 1rem}
  .compare{grid-template-columns:1fr}
  .mod-grid{grid-template-columns:1fr}
  .pager{grid-template-columns:1fr}
  .pg.next{text-align:left}
  .pg.empty{display:none}
  .step{grid-template-columns:1fr;gap:.85rem}
  .sheet,.callout{padding:1.35rem 1.25rem}
  .btn-primary,.btn-ghost{width:100%}
  .nav-cta{padding:.5rem 1rem;font-size:.8rem}
  .logo span.txt{display:none}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}