:root{
  --bg:#0b1220; --bg-2:#0f172a; --surface:#111a2e; --card:#0f1830;
  --text:#e8edf7; --muted:#93a0bd; --border:#1f2b47;
  --brand:#00d4a8; --brand-2:#0ea5e9; --accent:#7c3aed;
  --danger:#f43f5e; --warn:#f59e0b;
  --radius:14px; --radius-sm:8px;
  --shadow: 0 20px 60px -20px rgba(0,0,0,.6);
  --max: 1200px;
  --grad: linear-gradient(135deg,#00d4a8 0%,#0ea5e9 55%,#7c3aed 100%);
  --font-sans: "Space Grotesk", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-body: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{background:radial-gradient(1200px 600px at 80% -10%, rgba(14,165,233,.15), transparent 60%), radial-gradient(1000px 500px at -10% 20%, rgba(0,212,168,.12), transparent 60%), var(--bg); color:var(--text); font-family:var(--font-body); line-height:1.65; -webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{font-family:var(--font-sans); letter-spacing:-.02em; line-height:1.15; margin:0 0 .5em}
h1{font-size:clamp(2.2rem,4.6vw,3.6rem); font-weight:700}
h2{font-size:clamp(1.6rem,3vw,2.4rem); font-weight:600}
h3{font-size:1.25rem; font-weight:600}
p{margin:0 0 1em}
.container{max-width:var(--max); margin:0 auto; padding:0 24px}
.skip{position:absolute;left:-9999px}
.skip:focus{left:12px;top:12px;background:#000;color:#fff;padding:8px 12px;z-index:100;border-radius:6px}

/* Header */
.site-header{position:sticky;top:0;z-index:50;backdrop-filter:blur(14px);background:rgba(11,18,32,.75);border-bottom:1px solid var(--border)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;padding:14px 24px;gap:24px}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);font-family:var(--font-sans);font-weight:600;font-size:1.05rem}
.brand:hover{text-decoration:none}
.brand-mark{display:inline-grid;place-items:center;width:32px;height:32px;border-radius:8px;background:var(--grad);color:#0b1220;font-weight:800}
.brand-text strong{color:var(--brand)}
.site-nav{display:flex;align-items:center;gap:22px}
.site-nav a{color:var(--muted);font-size:.95rem;font-weight:500}
.site-nav a:hover{color:var(--text);text-decoration:none}
.nav-toggle{display:none;background:transparent;border:1px solid var(--border);color:var(--text);padding:8px 12px;border-radius:8px;font-size:1.1rem;cursor:pointer}
.btn{display:inline-block;padding:10px 18px;border-radius:10px;font-weight:600;font-size:.95rem;border:1px solid transparent;cursor:pointer;transition:transform .15s ease, box-shadow .2s ease, background .2s ease}
.btn:hover{transform:translateY(-1px);text-decoration:none}
.btn-primary{background:var(--grad); color:#0b1220 !important; box-shadow:0 8px 24px -8px rgba(14,165,233,.6)}
.btn-outline{border:1px solid var(--border); color:var(--text) !important; background:transparent}
.btn-outline:hover{border-color:var(--brand); color:var(--brand) !important}
.btn-lg{padding:14px 24px;font-size:1rem}

/* Hero */
.hero{position:relative;padding:100px 0 80px;overflow:hidden}
.hero-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:center}
.eyebrow{display:inline-block;padding:6px 12px;border:1px solid var(--border);border-radius:999px;color:var(--muted);font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;margin-bottom:20px}
.hero h1 span{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{color:var(--muted);font-size:1.15rem;max-width:56ch}
.hero-cta{display:flex;gap:12px;margin-top:28px;flex-wrap:wrap}
.hero-visual{position:relative;aspect-ratio:1/1;border-radius:24px;background:var(--card);border:1px solid var(--border);overflow:hidden;box-shadow:var(--shadow)}
.hero-visual::before{content:"";position:absolute;inset:0;background:
  radial-gradient(400px 200px at 20% 10%, rgba(0,212,168,.35), transparent 60%),
  radial-gradient(400px 200px at 80% 90%, rgba(124,58,237,.35), transparent 60%),
  linear-gradient(45deg, transparent 0 49%, rgba(255,255,255,.05) 49% 51%, transparent 51%) 0 0/40px 40px,
  linear-gradient(-45deg, transparent 0 49%, rgba(255,255,255,.05) 49% 51%, transparent 51%) 0 0/40px 40px}
.hero-stat{position:absolute;padding:14px 18px;background:rgba(15,24,48,.85);border:1px solid var(--border);border-radius:12px;backdrop-filter:blur(10px)}
.hero-stat b{display:block;font-family:var(--font-sans);font-size:1.4rem;color:var(--brand)}
.hero-stat span{color:var(--muted);font-size:.8rem}
.hero-stat.s1{top:24px;left:24px}
.hero-stat.s2{bottom:24px;right:24px}
.hero-stat.s3{top:50%;right:-24px;transform:translateY(-50%)}

/* Sections */
section{padding:80px 0}
.section-head{max-width:720px;margin:0 auto 48px;text-align:center}
.section-head .eyebrow{margin-bottom:14px}
.section-head p{color:var(--muted)}
.grid{display:grid;gap:20px}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:24px;transition:transform .2s ease, border-color .2s ease}
.card:hover{transform:translateY(-3px);border-color:#2a3a63}
.card h3{margin-top:8px}
.card p{color:var(--muted);font-size:.95rem;margin:0}
.icon{display:inline-grid;place-items:center;width:44px;height:44px;border-radius:10px;background:rgba(0,212,168,.12);color:var(--brand);font-size:1.2rem;margin-bottom:6px}
.card a.more{display:inline-block;margin-top:14px;color:var(--brand);font-weight:600;font-size:.9rem}

/* Stats strip */
.stats{background:linear-gradient(180deg, transparent, rgba(15,24,48,.6));border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.stats .grid-4{gap:24px}
.stat{text-align:center;padding:20px}
.stat b{display:block;font-family:var(--font-sans);font-size:2.4rem;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat span{color:var(--muted);font-size:.9rem}

/* CTA band */
.cta-band{background:linear-gradient(135deg, rgba(0,212,168,.15), rgba(124,58,237,.15));border:1px solid var(--border);border-radius:24px;padding:48px;text-align:center;margin:60px 0}

/* Page hero (subpage) */
.page-hero{padding:80px 0 40px;border-bottom:1px solid var(--border);background:linear-gradient(180deg, rgba(14,165,233,.06), transparent)}
.page-hero h1{margin-bottom:12px}
.page-hero p{color:var(--muted);max-width:70ch;font-size:1.1rem}
.crumbs{color:var(--muted);font-size:.85rem;margin-bottom:14px}
.crumbs a{color:var(--muted)}

/* Lists / prose */
.prose h2{margin-top:2em}
.prose h3{margin-top:1.6em}
.prose ul{padding-left:1.2em}
.prose li{margin-bottom:.4em}
.prose blockquote{border-left:3px solid var(--brand);padding:6px 18px;color:var(--muted);margin:1.5em 0;background:rgba(0,212,168,.04)}
.prose{max-width:78ch;margin:0 auto}
.prose img{border-radius:var(--radius);border:1px solid var(--border)}

/* Two column */
.split{display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:start}
.tag{display:inline-block;padding:4px 10px;border-radius:999px;background:rgba(0,212,168,.1);color:var(--brand);font-size:.75rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase}

/* FAQ accordion */
details.faq{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:0;margin-bottom:12px;overflow:hidden}
details.faq[open]{border-color:#2a3a63}
details.faq summary{padding:18px 22px;cursor:pointer;font-weight:600;list-style:none;display:flex;justify-content:space-between;gap:20px}
details.faq summary::-webkit-details-marker{display:none}
details.faq summary::after{content:"+";color:var(--brand);font-size:1.4rem;font-weight:400;transition:transform .2s}
details.faq[open] summary::after{content:"−"}
details.faq .a{padding:0 22px 20px;color:var(--muted)}

/* Form */
.form{display:grid;gap:16px;max-width:640px}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form label{display:block;font-size:.85rem;color:var(--muted);margin-bottom:6px}
.form input, .form textarea, .form select{width:100%;background:var(--surface);border:1px solid var(--border);color:var(--text);padding:12px 14px;border-radius:10px;font:inherit}
.form input:focus, .form textarea:focus, .form select:focus{outline:2px solid var(--brand);outline-offset:2px}
.form textarea{min-height:140px;resize:vertical}

/* Footer */
.site-footer{margin-top:80px;background:#080d1b;border-top:1px solid var(--border);padding:60px 0 20px}
.footer-grid{display:grid;grid-template-columns:1.4fr repeat(4,1fr);gap:40px}
.footer-grid h4{font-size:.85rem;text-transform:uppercase;letter-spacing:.12em;color:var(--text);margin-bottom:14px}
.footer-grid ul{list-style:none;padding:0;margin:0}
.footer-grid li{margin-bottom:8px}
.footer-grid a{color:var(--muted);font-size:.92rem}
.footer-grid a:hover{color:var(--text)}
.footer-bottom{display:flex;justify-content:space-between;color:var(--muted);font-size:.85rem;margin-top:40px;padding-top:20px;border-top:1px solid var(--border)}
.muted{color:var(--muted)}
.small{font-size:.85rem}

/* Utility */
.center{text-align:center}
.mt-0{margin-top:0}.mt-1{margin-top:12px}.mt-2{margin-top:24px}.mt-3{margin-top:40px}.mt-4{margin-top:60px}
.pill-row{display:flex;flex-wrap:wrap;gap:8px}
.pill{padding:6px 12px;border:1px solid var(--border);border-radius:999px;font-size:.82rem;color:var(--muted);background:var(--surface)}
.divider{height:1px;background:var(--border);margin:60px 0}

/* Media */
@media (max-width: 900px){
  .hero{padding:60px 0 40px}
  .hero-inner{grid-template-columns:1fr;gap:36px}
  .hero-visual{max-width:520px;margin:0 auto}
  .grid-3,.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr}
  .split{grid-template-columns:1fr}
  .form .row{grid-template-columns:1fr}
  .nav-toggle{display:inline-block}
  .site-nav{display:none;position:absolute;top:100%;left:0;right:0;background:var(--bg-2);border-bottom:1px solid var(--border);flex-direction:column;padding:16px 24px;gap:6px}
  .site-nav.open{display:flex}
  .site-nav a{padding:10px 0;width:100%}
}
@media (max-width: 560px){
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .cta-band{padding:32px 20px}
  section{padding:56px 0}
}