/* =================================================================
   Nodexi Agentics — shared design system
   Used by every page. Visual language: slate + blue accent, Inter.
   ================================================================= */

:root{
  --slate-900:#0f172a;
  --slate-800:#1e293b;
  --slate-700:#334155;
  --slate-600:#475569;
  --slate-500:#64748b;
  --slate-400:#94a3b8;
  --slate-300:#cbd5e1;
  --slate-200:#e2e8f0;
  --slate-100:#f1f5f9;
  --slate-50:#f8fafc;
  --accent:#3b82f6;
  --accent-dark:#2563eb;
  --accent-soft:rgba(59,130,246,.10);
  --green:#22c55e;
  --white:#ffffff;
  --border:#e2e8f0;
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 1px 2px rgba(15,23,42,.04),0 8px 24px rgba(15,23,42,.06);
  --shadow-lg:0 14px 36px rgba(15,23,42,.10);
  --maxw:1120px;
  --font:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  --mono:ui-monospace,'SF Mono',Menlo,Consolas,monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  color:var(--slate-800);
  background:var(--white);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.container-narrow{max-width:820px;margin:0 auto;padding:0 24px}
section{padding:96px 0}
.muted{color:var(--slate-500)}
.center{text-align:center}

/* ---------- Header ---------- */
header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.82);
  backdrop-filter:saturate(180%) blur(12px);
  -webkit-backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--border);
}
.nav{
  display:flex;align-items:center;justify-content:space-between;
  height:68px;
}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1.15rem;color:var(--slate-900);letter-spacing:-.02em}
.brand .logo{
  width:30px;height:30px;border-radius:8px;
  background:linear-gradient(135deg,var(--accent),var(--slate-900));
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-weight:800;font-size:.95rem;
}
.nav-links{display:flex;align-items:center;gap:34px}
.nav-links a{color:var(--slate-700);font-size:.94rem;font-weight:500;transition:color .15s}
.nav-links a:hover{color:var(--accent)}
.nav-links a.active{color:var(--accent);font-weight:600}
.nav-cta{
  background:var(--slate-900);color:#fff;padding:9px 18px;border-radius:9px;
  font-size:.9rem;font-weight:600;transition:background .15s,transform .15s;
}
.nav-cta:hover{background:var(--accent-dark);transform:translateY(-1px)}
.nav-cta.active{color:#fff}
.nav-toggle{display:none;background:none;border:none;cursor:pointer;padding:6px}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--slate-800);margin:5px 0;border-radius:2px;transition:.2s}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  font-weight:600;font-size:.98rem;padding:13px 26px;border-radius:10px;
  cursor:pointer;border:1px solid transparent;transition:all .18s;
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 16px rgba(59,130,246,.25)}
.btn-primary:hover{background:var(--accent-dark);transform:translateY(-2px);box-shadow:0 10px 24px rgba(59,130,246,.32)}
.btn-ghost{background:#fff;color:var(--slate-800);border-color:var(--border)}
.btn-ghost:hover{border-color:var(--slate-400);background:var(--slate-50)}
.btn-light{background:rgba(255,255,255,.10);color:#fff;border-color:rgba(255,255,255,.20)}
.btn-light:hover{background:rgba(255,255,255,.18);transform:translateY(-2px)}
.btn-sm{padding:10px 18px;font-size:.9rem}

/* ---------- Hero (home) ---------- */
.hero{
  padding:120px 0 104px;
  background:
    radial-gradient(900px 460px at 75% -10%,rgba(59,130,246,.10),transparent 60%),
    radial-gradient(700px 420px at 5% 0%,rgba(15,23,42,.05),transparent 55%);
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.82rem;font-weight:600;color:var(--accent-dark);
  background:var(--accent-soft);border:1px solid rgba(59,130,246,.20);
  padding:6px 14px;border-radius:999px;margin-bottom:26px;letter-spacing:.01em;
}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--accent);}
.hero h1{
  font-size:clamp(2.4rem,5.2vw,3.9rem);line-height:1.06;letter-spacing:-.035em;
  color:var(--slate-900);font-weight:800;max-width:14ch;
}
.hero p.sub{
  margin-top:24px;font-size:clamp(1.05rem,2vw,1.28rem);color:var(--slate-500);
  max-width:60ch;font-weight:400;
}
.hero-actions{margin-top:38px;display:flex;gap:14px;flex-wrap:wrap}
.hero-note{margin-top:20px;font-size:.86rem;color:var(--slate-400)}

/* ---------- Page banner (sub-pages) ---------- */
.page-banner{
  padding:72px 0 56px;border-bottom:1px solid var(--border);
  background:
    radial-gradient(800px 360px at 80% -20%,rgba(59,130,246,.09),transparent 60%),
    var(--slate-50);
}
.breadcrumb{display:flex;gap:8px;align-items:center;font-size:.84rem;color:var(--slate-400);margin-bottom:18px}
.breadcrumb a{color:var(--slate-500)}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb span{color:var(--slate-300)}
.page-banner h1{font-size:clamp(2rem,4vw,2.9rem);letter-spacing:-.03em;color:var(--slate-900);font-weight:800;line-height:1.1;max-width:18ch}
.page-banner p{margin-top:16px;font-size:1.1rem;color:var(--slate-500);max-width:62ch}

/* ---------- Section headings ---------- */
.section-head{max-width:640px;margin-bottom:56px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head .kicker{font-size:.84rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--accent)}
.section-head h2{margin-top:12px;font-size:clamp(1.8rem,3.4vw,2.5rem);letter-spacing:-.03em;color:var(--slate-900);font-weight:800;line-height:1.12}
.section-head p{margin-top:16px;font-size:1.08rem;color:var(--slate-500)}

/* ---------- Feature cards ---------- */
.tint{background:var(--slate-50);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.feature-grid.cols-3{grid-template-columns:repeat(3,1fr)}
.feature-grid.cols-2{grid-template-columns:repeat(2,1fr)}
.card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:30px 26px;box-shadow:var(--shadow);transition:transform .2s,box-shadow .2s,border-color .2s;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--slate-300)}
.icon{
  width:46px;height:46px;border-radius:11px;display:flex;align-items:center;justify-content:center;
  background:var(--accent-soft);color:var(--accent-dark);margin-bottom:18px;
}
.icon svg{width:24px;height:24px;stroke:currentColor;stroke-width:1.8;fill:none;stroke-linecap:round;stroke-linejoin:round}
.card h3{font-size:1.12rem;color:var(--slate-900);font-weight:700;letter-spacing:-.01em}
.card p{margin-top:10px;font-size:.95rem;color:var(--slate-500)}

/* ---------- Stats row ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.stat .num{font-size:clamp(1.9rem,3.6vw,2.6rem);font-weight:800;color:var(--slate-900);letter-spacing:-.03em}
.stat .lbl{margin-top:6px;color:var(--slate-500);font-size:.92rem}

/* ---------- Logo cloud ---------- */
.logo-cloud{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:18px 40px;margin-top:8px}
.logo-cloud .pill{
  display:flex;align-items:center;gap:9px;color:var(--slate-500);font-weight:600;font-size:1rem;
  opacity:.85;
}
.logo-cloud .pill .mk{width:26px;height:26px;border-radius:7px;background:var(--slate-100);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;color:var(--slate-600);font-weight:800;font-size:.8rem}

/* ---------- How it works / steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:36px;margin-top:8px}
.step{position:relative;padding-top:8px}
.step .num{
  width:40px;height:40px;border-radius:10px;background:var(--slate-900);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1rem;margin-bottom:18px;
}
.step h3{font-size:1.15rem;color:var(--slate-900);font-weight:700}
.step p{margin-top:10px;color:var(--slate-500);font-size:.98rem}

/* ---------- Split / how-wrap ---------- */
.how-wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split.reverse > :first-child{order:2}

/* ---------- Code panel ---------- */
.code-panel{
  background:var(--slate-900);border-radius:var(--radius);box-shadow:0 20px 50px rgba(15,23,42,.25);
  overflow:hidden;border:1px solid var(--slate-700);
}
.code-bar{display:flex;align-items:center;gap:7px;padding:13px 16px;background:var(--slate-800);border-bottom:1px solid var(--slate-700)}
.code-bar i{width:11px;height:11px;border-radius:50%;display:inline-block}
.code-bar i:nth-child(1){background:#ef4444}.code-bar i:nth-child(2){background:#f59e0b}.code-bar i:nth-child(3){background:#22c55e}
.code-bar span{margin-left:10px;color:var(--slate-400);font-size:.8rem;font-family:var(--mono)}
.code-body{
  padding:22px 20px;font-family:var(--mono);
  font-size:.86rem;line-height:1.8;color:var(--slate-300);overflow-x:auto;
}
.code-body .c{color:var(--slate-500)}
.code-body .k{color:#93c5fd}
.code-body .s{color:#86efac}
.code-body .f{color:#c4b5fd}
.code-body .n{color:#fca5a5}

/* ---------- Bullet list (checkmarks) ---------- */
.check-list{list-style:none;display:flex;flex-direction:column;gap:14px}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:1rem;color:var(--slate-700)}
.check-list li svg{width:20px;height:20px;flex:none;margin-top:3px;stroke:var(--accent);stroke-width:2.2;fill:none;stroke-linecap:round;stroke-linejoin:round}
.check-list li strong{color:var(--slate-900)}

/* ---------- Pricing ---------- */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.price-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:34px 30px;
  display:flex;flex-direction:column;box-shadow:var(--shadow);transition:transform .2s,box-shadow .2s;
}
.price-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.price-card.featured{border-color:var(--accent);box-shadow:0 18px 44px rgba(59,130,246,.18);position:relative}
.price-card.featured::before{
  content:"Most popular";position:absolute;top:-12px;left:50%;transform:translateX(-50%);
  background:var(--accent);color:#fff;font-size:.72rem;font-weight:700;letter-spacing:.04em;
  padding:5px 14px;border-radius:999px;text-transform:uppercase;
}
.tier{font-size:1.25rem;font-weight:700;color:var(--slate-900)}
.tier-desc{margin-top:8px;color:var(--slate-500);font-size:.93rem;min-height:42px}
.tier-price{margin-top:22px;font-size:2.1rem;font-weight:800;color:var(--slate-900);letter-spacing:-.03em;line-height:1.1}
.tier-price .per{font-size:.95rem;font-weight:500;color:var(--slate-400)}
.tier-price small{display:block;font-size:.85rem;font-weight:500;color:var(--slate-400);margin-top:6px}
.tier-list{list-style:none;margin:24px 0 28px;display:flex;flex-direction:column;gap:12px}
.tier-list li{display:flex;gap:10px;align-items:flex-start;font-size:.93rem;color:var(--slate-700)}
.tier-list li svg{width:18px;height:18px;flex:none;margin-top:3px;stroke:var(--accent);stroke-width:2.2;fill:none;stroke-linecap:round;stroke-linejoin:round}
.price-card .btn{margin-top:auto;justify-content:center;width:100%}
.price-note{text-align:center;margin-top:34px;color:var(--slate-400);font-size:.9rem}

/* ---------- FAQ accordion ---------- */
.faq{max-width:780px;margin:0 auto;display:flex;flex-direction:column;gap:0}
.faq details{border-bottom:1px solid var(--border)}
.faq details summary{
  list-style:none;cursor:pointer;padding:22px 4px;
  display:flex;justify-content:space-between;align-items:center;gap:20px;
  font-weight:600;color:var(--slate-900);font-size:1.05rem;
}
.faq details summary::-webkit-details-marker{display:none}
.faq details summary .chev{
  flex:none;width:20px;height:20px;border-right:2px solid var(--slate-400);border-bottom:2px solid var(--slate-400);
  transform:rotate(45deg);transition:transform .2s;margin-right:6px;
}
.faq details[open] summary .chev{transform:rotate(-135deg)}
.faq details .ans{padding:0 4px 24px;color:var(--slate-500);font-size:1rem;max-width:68ch}

/* ---------- Callout / CTA band ---------- */
.callout{
  background:linear-gradient(135deg,var(--slate-900),var(--slate-800));
  border-radius:20px;padding:64px 48px;text-align:center;color:#fff;
  box-shadow:0 26px 60px rgba(15,23,42,.30);position:relative;overflow:hidden;
}
.callout::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(600px 300px at 80% 0%,rgba(59,130,246,.25),transparent 60%);
  pointer-events:none;
}
.callout h2{font-size:clamp(1.8rem,3.4vw,2.5rem);letter-spacing:-.03em;font-weight:800;position:relative}
.callout p{margin-top:16px;color:var(--slate-300);font-size:1.08rem;max-width:52ch;margin-left:auto;margin-right:auto;position:relative}
.callout .btn-row{margin-top:30px;display:flex;gap:14px;justify-content:center;flex-wrap:wrap;position:relative}
.contact-email{
  margin-top:30px;display:inline-flex;align-items:center;gap:10px;position:relative;
  font-size:1.1rem;font-weight:600;color:#fff;background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.16);padding:14px 24px;border-radius:12px;transition:.18s;
}
.contact-email:hover{background:rgba(255,255,255,.14);transform:translateY(-2px)}
.contact-email svg{width:20px;height:20px;stroke:var(--accent);stroke-width:1.8;fill:none;stroke-linecap:round;stroke-linejoin:round}

/* ---------- Info / contact cards ---------- */
.info-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.info-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow)}
.info-card h3{font-size:1.05rem;color:var(--slate-900);font-weight:700;margin-bottom:8px}
.info-card p,.info-card a{color:var(--slate-500);font-size:.95rem}
.info-card a{color:var(--accent-dark);font-weight:600}
.info-card a:hover{text-decoration:underline}

/* ---------- Forms ---------- */
.form{display:flex;flex-direction:column;gap:18px}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:7px}
.field label{font-size:.88rem;font-weight:600;color:var(--slate-700)}
.field input,.field select,.field textarea{
  font-family:inherit;font-size:.96rem;color:var(--slate-800);
  padding:12px 14px;border:1px solid var(--border);border-radius:var(--radius-sm);
  background:#fff;transition:border-color .15s,box-shadow .15s;width:100%;
}
.field textarea{min-height:140px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(59,130,246,.15);
}
.form-note{font-size:.84rem;color:var(--slate-400)}
.form-status{font-size:.92rem;font-weight:600;padding:12px 14px;border-radius:var(--radius-sm);display:none}
.form-status.ok{display:block;background:rgba(34,197,94,.10);color:#15803d;border:1px solid rgba(34,197,94,.25)}
.form-status.err{display:block;background:rgba(239,68,68,.08);color:#b91c1c;border:1px solid rgba(239,68,68,.25)}

/* ---------- Legal documents ---------- */
.legal{max-width:800px;margin:0 auto;color:var(--slate-700)}
.legal .effective{color:var(--slate-400);font-size:.92rem;margin-bottom:8px}
.legal .intro{font-size:1.05rem;color:var(--slate-500);margin-bottom:10px}
.legal h2{font-size:1.3rem;color:var(--slate-900);font-weight:700;letter-spacing:-.01em;margin:40px 0 12px}
.legal h3{font-size:1.05rem;color:var(--slate-900);font-weight:700;margin:24px 0 10px}
.legal p{margin:0 0 14px;font-size:1rem;line-height:1.75}
.legal ul,.legal ol{margin:0 0 16px 22px;display:flex;flex-direction:column;gap:8px}
.legal li{font-size:1rem;line-height:1.7}
.legal a{color:var(--accent-dark);font-weight:600}
.legal a:hover{text-decoration:underline}
.legal .toc{
  background:var(--slate-50);border:1px solid var(--border);border-radius:var(--radius);
  padding:22px 26px;margin-bottom:36px;
}
.legal .toc h4{font-size:.8rem;text-transform:uppercase;letter-spacing:.08em;color:var(--slate-400);margin-bottom:12px;font-weight:700}
.legal .toc ol{margin:0 0 0 18px;gap:6px}
.legal .toc a{color:var(--slate-600);font-weight:500}
.legal .note{
  background:var(--accent-soft);border:1px solid rgba(59,130,246,.20);border-left:3px solid var(--accent);
  border-radius:var(--radius-sm);padding:16px 18px;margin:20px 0;font-size:.95rem;color:var(--slate-600);
}

/* ---------- Footer ---------- */
footer{padding:54px 0 40px;border-top:1px solid var(--border);background:var(--slate-50)}
.foot{display:flex;align-items:flex-start;justify-content:space-between;gap:30px;flex-wrap:wrap}
.foot-brand{max-width:320px}
.foot-brand .brand{margin-bottom:14px}
.foot-brand p{color:var(--slate-500);font-size:.92rem}
.foot-cols{display:flex;gap:64px;flex-wrap:wrap}
.foot-col h4{font-size:.8rem;text-transform:uppercase;letter-spacing:.08em;color:var(--slate-400);margin-bottom:14px;font-weight:700}
.foot-col a{display:block;color:var(--slate-600);font-size:.93rem;margin-bottom:10px;transition:color .15s}
.foot-col a:hover{color:var(--accent)}
.foot-bottom{
  margin-top:42px;padding-top:24px;border-top:1px solid var(--border);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  color:var(--slate-400);font-size:.87rem;
}

/* ---------- Responsive ---------- */
@media(max-width:900px){
  .feature-grid,.feature-grid.cols-3{grid-template-columns:repeat(2,1fr)}
  .how-wrap,.split{grid-template-columns:1fr;gap:40px}
  .split.reverse > :first-child{order:0}
  .steps{grid-template-columns:1fr;gap:28px}
  .price-grid{grid-template-columns:1fr;max-width:440px;margin:0 auto}
  .price-card.featured{order:-1}
  .stats{grid-template-columns:repeat(2,1fr);gap:34px 24px}
  .info-grid{grid-template-columns:1fr}
}
@media(max-width:680px){
  section{padding:72px 0}
  .hero{padding:84px 0 72px}
  .page-banner{padding:56px 0 44px}
  .nav-links{
    position:absolute;top:68px;left:0;right:0;flex-direction:column;gap:0;
    background:#fff;border-bottom:1px solid var(--border);
    max-height:0;overflow:hidden;transition:max-height .28s ease;
  }
  .nav-links.open{max-height:420px}
  .nav-links a{padding:15px 24px;width:100%;border-top:1px solid var(--border)}
  .nav-links .nav-cta{margin:14px 24px;text-align:center}
  .nav-toggle{display:block}
  .feature-grid,.feature-grid.cols-2,.feature-grid.cols-3{grid-template-columns:1fr}
  .callout{padding:48px 26px}
  .form .row{grid-template-columns:1fr}
  .foot{flex-direction:column}
}