/* AI Opportunity Intelligence Academy — premium dark theme */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Sora:wght@600;700;800&display=swap');

:root{
  --bg:#070b16;
  --bg-soft:#0c1224;
  --bg-card:#111a33;
  --bg-card2:#0e1530;
  --ink:#f3f6fd;
  --muted:#a3aecb;
  --faint:#6b7694;
  --line:rgba(148,163,255,.14);
  --accent1:#6366f1;
  --accent2:#22d3ee;
  --gold:#f5b942;
  --grad:linear-gradient(135deg,#6366f1 0%,#8b5cf6 45%,#22d3ee 100%);
  --radius:18px;
  --shadow:0 24px 60px -24px rgba(99,102,241,.45);
  --font-body:'Inter',system-ui,-apple-system,'Segoe UI',sans-serif;
  --font-head:'Sora','Inter',system-ui,sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-body);
  background:
    radial-gradient(1100px 500px at 85% -5%,rgba(99,102,241,.16),transparent 60%),
    radial-gradient(900px 480px at 5% 10%,rgba(34,211,238,.10),transparent 60%),
    var(--bg);
  color:var(--ink);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
.container{width:min(1160px,92%);margin:0 auto}
a{color:inherit}
img{max-width:100%}

/* ---------- top bar ---------- */
.topbar{
  text-align:center;font-size:.72rem;letter-spacing:.22em;font-weight:600;
  padding:.65rem 1rem;color:#dfe6ff;
  background:linear-gradient(90deg,#1b1440,#2a1e63 40%,#123049 100%);
  border-bottom:1px solid var(--line);
}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(7,11,22,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;gap:1.6rem;padding:.9rem 0}
.brand{display:flex;align-items:center;gap:.6rem;text-decoration:none;font-family:var(--font-head);font-weight:700;font-size:1.02rem}
.brand-mark{
  display:inline-grid;place-items:center;width:2.1rem;height:2.1rem;border-radius:.7rem;
  background:var(--grad);font-size:.85rem;font-weight:800;color:#fff;box-shadow:0 8px 22px -8px rgba(99,102,241,.8);
}
.nav nav{display:flex;gap:1.3rem;margin-left:auto}
.nav nav a{text-decoration:none;color:var(--muted);font-size:.92rem;font-weight:500;transition:color .2s}
.nav nav a:hover{color:#fff}
.nav .btn{margin-left:.4rem}

/* ---------- buttons ---------- */
.btn{
  display:inline-block;text-decoration:none;font-weight:700;font-size:.95rem;
  padding:.85rem 1.7rem;border-radius:999px;border:1px solid transparent;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease;cursor:pointer;
}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 14px 34px -12px rgba(99,102,241,.75)}
.btn-primary:hover{box-shadow:0 20px 44px -12px rgba(99,102,241,.9)}
.btn-light{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.22)}
.btn-light:hover{background:rgba(255,255,255,.15)}
.btn-secondary{background:rgba(99,102,241,.12);color:#dfe6ff;border-color:rgba(99,102,241,.4)}
.btn-secondary:hover{background:rgba(99,102,241,.22)}
.btn.full{display:block;text-align:center;width:100%}

/* ---------- hero ---------- */
.hero{padding:5.5rem 0 4rem;position:relative;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:3.5rem;align-items:center}
.eyebrow{
  display:inline-block;font-size:.72rem;font-weight:700;letter-spacing:.24em;text-transform:uppercase;
  color:var(--accent2);margin-bottom:1.1rem;
}
.hero h1{font-family:var(--font-head);font-size:clamp(2.4rem,5vw,3.9rem);line-height:1.08;font-weight:800;letter-spacing:-.02em}
.hero h1 span{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-copy{color:var(--muted);font-size:1.08rem;margin:1.4rem 0 2rem;max-width:34rem}
.hero-actions{display:flex;gap:1rem;flex-wrap:wrap;margin-bottom:2rem}

.audio-sales{
  display:flex;align-items:center;gap:1rem;flex-wrap:wrap;
  background:rgba(255,255,255,.04);border:1px solid var(--line);
  border-radius:var(--radius);padding:1rem 1.2rem;margin-bottom:1.6rem;
}
.audio-sales-copy{display:flex;flex-direction:column;font-size:.88rem}
.audio-sales-copy span{color:var(--muted);font-size:.82rem}
.audio-sales audio{flex:1;min-width:220px;accent-color:var(--accent1)}
.audio-replay{
  background:none;border:1px solid rgba(255,255,255,.25);color:#fff;border-radius:999px;
  padding:.5rem 1.1rem;font-size:.82rem;font-weight:600;cursor:pointer;transition:background .2s;
}
.audio-replay:hover{background:rgba(255,255,255,.12)}

.trust{display:flex;gap:1.4rem;flex-wrap:wrap;color:var(--muted);font-size:.86rem}
.trust span::before{content:"";display:inline-block;width:.45rem;height:.45rem;border-radius:50%;background:var(--accent2);margin-right:.45rem;vertical-align:middle}

.hero-card{
  background:linear-gradient(160deg,rgba(99,102,241,.16),rgba(34,211,238,.06)),var(--bg-card);
  border:1px solid var(--line);border-radius:22px;padding:2.2rem;box-shadow:var(--shadow);position:relative;
}
.hero-card::before{
  content:"";position:absolute;inset:-1px;border-radius:23px;padding:1px;pointer-events:none;
  background:linear-gradient(135deg,rgba(99,102,241,.6),transparent 40%,transparent 60%,rgba(34,211,238,.5));
  -webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);-webkit-mask-composite:xor;mask-composite:exclude;
}
.hero-card h2{font-family:var(--font-head);font-size:1.5rem;margin:.4rem 0 1.2rem}
.hero-card ul{list-style:none;display:grid;gap:.7rem;margin-bottom:1.6rem}
.hero-card li{padding-left:1.7rem;position:relative;color:#dbe2f7;font-size:.95rem}
.hero-card li::before{content:"✓";position:absolute;left:0;color:var(--accent2);font-weight:800}
.value-line{display:flex;justify-content:space-between;align-items:center;border-top:1px dashed rgba(255,255,255,.18);padding-top:1.2rem;color:var(--muted);font-size:.88rem}
.value-line strong{font-family:var(--font-head);font-size:1.6rem;color:var(--gold)}

/* ---------- proof bar ---------- */
.proofbar{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:rgba(255,255,255,.02)}
.proofgrid{display:grid;grid-template-columns:repeat(5,1fr);text-align:center;padding:1.6rem 0}
.proofgrid div{display:flex;flex-direction:column;gap:.15rem}
.proofgrid strong{font-family:var(--font-head);font-size:1.9rem;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.proofgrid span{color:var(--muted);font-size:.82rem;letter-spacing:.08em;text-transform:uppercase}

/* ---------- sections ---------- */
.section{padding:5rem 0}
.section.alt{background:linear-gradient(180deg,rgba(255,255,255,.025),transparent)}
.section.dark{background:radial-gradient(800px 400px at 50% 0%,rgba(99,102,241,.14),transparent 70%),#080d1c;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.heading{max-width:46rem;margin-bottom:3rem}
.heading h2{font-family:var(--font-head);font-size:clamp(1.7rem,3.4vw,2.6rem);line-height:1.15;letter-spacing:-.015em;margin-bottom:1rem}
.heading p{color:var(--muted);font-size:1.05rem}

.problem-grid,.module-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem}
.module-grid{grid-template-columns:repeat(3,1fr)}
.card{
  background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius);
  padding:1.8rem;transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.card:hover{transform:translateY(-4px);border-color:rgba(99,102,241,.45);box-shadow:0 18px 44px -18px rgba(99,102,241,.5)}
.card .num{
  display:inline-block;font-family:var(--font-head);font-size:.75rem;font-weight:800;letter-spacing:.18em;
  color:var(--accent2);border:1px solid rgba(34,211,238,.35);border-radius:999px;padding:.3rem .8rem;margin-bottom:1rem;
}
.card h3{font-family:var(--font-head);font-size:1.12rem;margin-bottom:.6rem}
.card p{color:var(--muted);font-size:.94rem}
.card p+p{margin-top:.7rem}

/* ---------- offer ---------- */
.offer{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:center}
.offer-box{
  background:linear-gradient(160deg,#f4f6ff,#dfe6ff);border-radius:22px;padding:2.4rem;
  box-shadow:0 30px 70px -30px rgba(99,102,241,.55);color:#101736;
}
.offer-list{display:grid;gap:.85rem}
.offer-list div{
  display:flex;align-items:center;gap:.8rem;font-weight:600;font-size:.98rem;color:#1a2242;
  background:rgba(255,255,255,.65);border:1px solid rgba(16,23,54,.08);border-radius:.9rem;padding:.8rem 1.1rem;
}
.offer-list div::before{content:"✓";color:#4f46e5;font-weight:800}

/* ---------- products ---------- */
.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem}
.product{
  background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius);
  padding:1.9rem;display:flex;flex-direction:column;gap:.7rem;transition:transform .2s ease,box-shadow .2s ease;
}
.product:hover{transform:translateY(-4px);box-shadow:0 18px 44px -18px rgba(34,211,238,.4)}
.tag{
  align-self:flex-start;font-size:.68rem;font-weight:800;letter-spacing:.2em;
  color:var(--accent2);border:1px solid rgba(34,211,238,.4);border-radius:999px;padding:.32rem .85rem;
}
.product h3{font-family:var(--font-head);font-size:1.15rem}
.product p{color:var(--muted);font-size:.93rem;flex:1}
.product .price{font-family:var(--font-head);font-size:2rem;font-weight:800;color:var(--gold)}
.product .btn{margin-top:.4rem}

/* ---------- pricing ---------- */
.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem;align-items:stretch}
.price-card{
  background:var(--bg-card);border:1px solid var(--line);border-radius:22px;padding:2.2rem;
  display:flex;flex-direction:column;gap:.9rem;position:relative;transition:transform .2s ease;
}
.price-card:hover{transform:translateY(-4px)}
.price-card.featured{
  background:linear-gradient(165deg,rgba(99,102,241,.22),rgba(34,211,238,.08)),var(--bg-card);
  border:1px solid rgba(99,102,241,.55);box-shadow:var(--shadow);
}
.badge{
  position:absolute;top:-.9rem;left:50%;transform:translateX(-50%);
  background:var(--grad);color:#fff;font-size:.7rem;font-weight:800;letter-spacing:.18em;
  padding:.42rem 1.1rem;border-radius:999px;white-space:nowrap;box-shadow:0 10px 26px -10px rgba(99,102,241,.9);
}
.plan{font-size:.78rem;font-weight:800;letter-spacing:.22em;text-transform:uppercase;color:var(--muted)}
.price-card .price{font-family:var(--font-head);font-size:2.9rem;font-weight:800;letter-spacing:-.02em}
.price-card .price small{font-size:1.3rem;color:var(--muted)}
.price-card p{color:var(--muted);font-size:.93rem}
.price-card ul{list-style:none;display:grid;gap:.6rem;margin:.4rem 0 1.2rem}
.price-card li{padding-left:1.6rem;position:relative;color:#dbe2f7;font-size:.92rem}
.price-card li::before{content:"✓";position:absolute;left:0;color:var(--accent2);font-weight:800}
.price-card .btn{margin-top:auto}

.guarantee{
  display:flex;gap:1.4rem;align-items:center;margin-top:2.6rem;
  background:rgba(245,185,66,.07);border:1px solid rgba(245,185,66,.3);border-radius:var(--radius);padding:1.5rem 1.8rem;
}
.seal{
  flex:none;width:5.2rem;height:5.2rem;border-radius:50%;display:grid;place-items:center;text-align:center;
  font-family:var(--font-head);font-size:.72rem;font-weight:800;line-height:1.25;color:#0a0f22;
  background:conic-gradient(from 200deg,#f5b942,#ffe3a3,#f5b942);box-shadow:0 10px 30px -10px rgba(245,185,66,.7);
}
.guarantee strong{color:var(--gold)}
.guarantee div:last-child{color:var(--muted);font-size:.92rem}

/* ---------- faq ---------- */
.faq{max-width:50rem}
.faq details{
  background:var(--bg-card);border:1px solid var(--line);border-radius:.9rem;
  padding:1.1rem 1.4rem;margin-bottom:.8rem;transition:border-color .2s;
}
.faq details[open]{border-color:rgba(99,102,241,.5)}
.faq summary{cursor:pointer;font-weight:600;font-family:var(--font-head);font-size:1rem;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:1rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.4rem;color:var(--accent2);font-weight:400;flex:none;transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{color:var(--muted);font-size:.94rem;margin-top:.7rem}

/* ---------- cta / footer ---------- */
.cta{padding:5rem 0}
.cta-wrap{
  text-align:center;background:var(--grad);border-radius:26px;padding:4rem 2rem;
  box-shadow:0 34px 80px -28px rgba(99,102,241,.8);position:relative;overflow:hidden;
}
.cta-wrap::after{content:"";position:absolute;inset:0;background:radial-gradient(600px 260px at 50% -20%,rgba(255,255,255,.28),transparent 70%);pointer-events:none}
.cta-wrap h2{font-family:var(--font-head);font-size:clamp(1.7rem,3.6vw,2.7rem);color:#fff;margin-bottom:1.8rem;position:relative;z-index:1}
.cta-wrap .btn{position:relative;z-index:1}

footer{border-top:1px solid var(--line);padding:3.5rem 0 6rem;background:#050912}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:2.5rem;margin-bottom:2.5rem}
.footer-grid p{color:var(--faint);font-size:.9rem;margin-top:1rem;max-width:22rem}
.footer-grid h4{font-size:.78rem;letter-spacing:.2em;text-transform:uppercase;color:var(--faint);margin-bottom:1rem}
.footer-grid a{display:block;color:var(--muted);text-decoration:none;font-size:.92rem;margin-bottom:.55rem;transition:color .2s}
.footer-grid a:hover{color:#fff}
.copyright{color:var(--faint);font-size:.82rem;border-top:1px solid rgba(255,255,255,.06);padding-top:1.6rem}

.sticky-mobile{display:none;position:fixed;bottom:0;left:0;right:0;z-index:60;padding:.8rem 1rem calc(.8rem + env(safe-area-inset-bottom));background:rgba(7,11,22,.92);backdrop-filter:blur(12px);border-top:1px solid var(--line)}
.sticky-mobile .btn{width:100%;text-align:center}

/* ---------- responsive ---------- */
@media (max-width:960px){
  .hero-grid{grid-template-columns:1fr;gap:2.5rem}
  .hero{padding:3.5rem 0 3rem}
  .problem-grid,.module-grid,.product-grid,.pricing-grid{grid-template-columns:1fr 1fr}
  .offer{grid-template-columns:1fr}
  .proofgrid{grid-template-columns:repeat(3,1fr);gap:1.2rem}
}
@media (max-width:640px){
  .nav nav{display:none}
  .problem-grid,.module-grid,.product-grid,.pricing-grid{grid-template-columns:1fr}
  .proofgrid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr}
  .sticky-mobile{display:block}
  .guarantee{flex-direction:column;text-align:center}
  .audio-sales audio{width:100%}
}

.nhi-logo{height:26px;width:auto;vertical-align:middle;margin-left:.7rem;opacity:.88}