:root{
  --bg:#0b0b0d;--bg2:#111114;--card:#151518;--line:#232328;
  --text:#e8e6e0;--muted:#9a978f;--dim:#6a675f;
  --accent:#1D9E75;--accent2:#5DCAA5;--accent-soft:rgba(29,158,117,.12);
  color-scheme:dark;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;background:var(--bg);color:var(--text);font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:var(--accent2);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:960px;margin:0 auto;padding:0 1.25rem}

/* nav */
nav{position:sticky;top:0;background:rgba(11,11,13,.85);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);z-index:50}
.nav-in{max-width:960px;margin:0 auto;padding:.9rem 1.25rem;display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap}
.logo{font-weight:800;font-size:17px;letter-spacing:-.02em;color:var(--text)}
.logo span{color:var(--accent2)}
.nav-links{display:flex;gap:1.25rem;flex-wrap:wrap}
.nav-links a{font-size:14px;color:var(--muted)}
.nav-links a:hover{color:var(--text);text-decoration:none}
.nav-cta{background:var(--accent);color:#fff!important;padding:.45rem 1rem;border-radius:9px;font-size:14px;font-weight:600}
.nav-cta:hover{background:#178a65;text-decoration:none}

/* hero */
.hero{padding:5.5rem 0 4rem;background:radial-gradient(ellipse 70% 50% at 50% -10%,rgba(29,158,117,.14),transparent)}
.eyebrow{font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--accent2);margin-bottom:1rem}
h1{font-size:clamp(2rem,5.5vw,3.4rem);font-weight:800;letter-spacing:-.03em;line-height:1.08;margin-bottom:1.25rem}
h1 em{font-style:normal;color:var(--accent2)}
.lead{font-size:clamp(1.05rem,2vw,1.2rem);color:var(--muted);max-width:620px;margin-bottom:2rem}
.btn{display:inline-block;background:var(--accent);color:#fff;font-weight:700;font-size:15px;padding:.85rem 1.6rem;border-radius:11px;transition:background .15s}
.btn:hover{background:#178a65;text-decoration:none}
.btn.ghost{background:transparent;border:1px solid var(--line);color:var(--text);margin-left:.6rem}
.btn.ghost:hover{border-color:var(--accent);background:var(--accent-soft)}
.hero-meta{display:flex;gap:1.75rem;margin-top:2.5rem;flex-wrap:wrap}
.hm{font-size:13px;color:var(--dim)}
.hm b{display:block;font-size:15px;color:var(--text);font-weight:700}

/* sections */
section{padding:4rem 0;border-top:1px solid var(--line)}
h2{font-size:clamp(1.5rem,3.5vw,2.1rem);font-weight:800;letter-spacing:-.02em;margin-bottom:.75rem}
.sec-sub{color:var(--muted);max-width:620px;margin-bottom:2.25rem}
h3{font-size:1.05rem;font-weight:700;margin-bottom:.4rem}

.grid{display:grid;gap:14px}
.g4{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}
.g3{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.g2{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:1.5rem}
.card .num{font-size:12px;font-weight:800;color:var(--accent2);letter-spacing:.1em;margin-bottom:.6rem}
.card p{font-size:14.5px;color:var(--muted)}
.card.hl{border-color:rgba(29,158,117,.4);background:linear-gradient(180deg,rgba(29,158,117,.07),var(--card))}

.check{list-style:none}
.check li{padding:.5rem 0 .5rem 1.8rem;position:relative;color:var(--muted);font-size:15px;border-bottom:1px solid var(--line)}
.check li:last-child{border-bottom:none}
.check li::before{content:"✓";position:absolute;left:.2rem;color:var(--accent2);font-weight:800}
.x li::before{content:"✕";color:#c96f5f}

.price-line{display:flex;align-items:baseline;gap:.75rem;margin:1.25rem 0}
.price{font-size:2.4rem;font-weight:800;letter-spacing:-.03em}
.price-note{font-size:13px;color:var(--dim)}

blockquote{border-left:3px solid var(--accent);padding:.75rem 0 .75rem 1.25rem;color:var(--muted);font-size:1.05rem;font-style:italic;margin:1.5rem 0}
blockquote cite{display:block;font-style:normal;font-size:13px;color:var(--dim);margin-top:.5rem}

/* faq */
.qa{border:1px solid var(--line);border-radius:14px;background:var(--card);padding:1.4rem 1.5rem;margin-bottom:12px}
.qa h3{font-size:1.1rem;margin-bottom:.6rem}
.qa p{color:var(--muted);font-size:15px;margin-bottom:.6rem}
.qa p:last-child{margin-bottom:0}

/* research */
.pub{border:1px solid var(--line);border-radius:14px;background:var(--card);padding:1.3rem 1.5rem;margin-bottom:12px}
.pub .yr{font-size:12px;font-weight:800;color:var(--accent2);letter-spacing:.08em}
.pub h3{margin:.3rem 0}
.pub p{font-size:14px;color:var(--muted)}

footer{border-top:1px solid var(--line);padding:2.5rem 0 3.5rem;font-size:13.5px;color:var(--dim)}
footer .ftr-brand{font-weight:800;color:var(--text);margin-bottom:.5rem}
footer p{max-width:640px;margin-bottom:1rem}
.ftr-links{display:flex;gap:1.25rem;flex-wrap:wrap}
.ftr-links a{color:var(--muted)}

@media (max-width:640px){
  .hero{padding:3.5rem 0 3rem}
  .btn.ghost{margin-left:0;margin-top:.6rem}
}