:root{
  --bg:#0a0e16; --bg-alt:#0d121d; --surface:#121a28; --surface-2:#16202f;
  --border:#1f2a3d; --text:#e6ebf4; --muted:#9aa7bd; --heading:#f4f7fc;
  --accent:#6CC3FA; --accent-2:#19c3ff; --accent-soft:rgba(108,195,250,.12);
  --radius:14px; --maxw:1140px; --shadow:0 18px 50px -20px rgba(0,0,0,.7);
  --font:'Segoe UI',system-ui,-apple-system,Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font);
  line-height:1.65;-webkit-font-smoothing:antialiased;font-size:17px}
h1,h2,h3{color:var(--heading);line-height:1.2;font-weight:700;margin:0 0 .5em}
h1{font-size:clamp(2rem,5vw,3.25rem);letter-spacing:-.02em}
h2{font-size:clamp(1.5rem,3vw,2.25rem);letter-spacing:-.01em}
h3{font-size:1.2rem}
p{margin:0 0 1rem}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.accent{color:var(--accent)}
.container{max-width:var(--maxw);margin:0 auto;padding:0 1.5rem}
.center{text-align:center;margin-top:2rem}
.skip-link{position:absolute;left:-999px}
.skip-link:focus{left:1rem;top:1rem;background:var(--accent);color:#04130f;padding:.5rem 1rem;border-radius:8px;z-index:200}

/* Buttons */
.btn{display:inline-block;padding:.8rem 1.5rem;border-radius:10px;font-weight:600;
  font-size:.97rem;cursor:pointer;border:1px solid transparent;transition:.2s;text-decoration:none}
.btn:hover{text-decoration:none;transform:translateY(-2px)}
.btn-primary{background:linear-gradient(135deg,var(--accent),#2C9AE0);color:#04130f;
  box-shadow:0 10px 30px -10px var(--accent-soft)}
.btn-primary:hover{box-shadow:0 14px 34px -8px rgba(108,195,250,.5)}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--border)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}
.btn-block{display:block;width:100%;text-align:center;margin-bottom:.75rem}

/* Header */
.site-header{position:sticky;top:0;z-index:100;background:rgba(10,14,22,.85);
  backdrop-filter:blur(12px);border-bottom:1px solid var(--border);transition:.3s}
.site-header.scrolled{background:rgba(10,14,22,.97)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:74px}
.brand{display:flex;align-items:center}
.brand:hover{text-decoration:none}
.brand-logo{display:block;height:34px;width:auto}
.main-nav{display:flex;align-items:center}
.nav-menu{display:flex;align-items:center;gap:1.6rem;list-style:none;margin:0;padding:0}
.nav-menu a{color:var(--text);font-weight:500;font-size:.97rem}
.nav-menu a:hover,.nav-menu a[aria-current=page]{color:var(--accent);text-decoration:none}
.nav-cta a{color:#04130f !important}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px}
.nav-toggle span{width:24px;height:2px;background:var(--text);transition:.3s}

/* Hero */
.hero{position:relative;overflow:hidden;padding:6rem 0 5rem;text-align:center}
.hero-glow{position:absolute;inset:0;background:
  radial-gradient(60% 60% at 50% 0%,rgba(108,195,250,.18),transparent 70%),
  radial-gradient(40% 50% at 80% 20%,rgba(25,195,255,.12),transparent 70%);pointer-events:none}
.hero-inner{position:relative;max-width:820px;margin:0 auto}
.hero-badge{display:inline-block;padding:.4rem 1rem;border:1px solid var(--border);
  border-radius:999px;background:var(--accent-soft);color:var(--accent);
  font-size:.82rem;font-weight:600;margin-bottom:1.5rem;letter-spacing:.02em}
.hero-title{margin-bottom:1rem}
.hero-subtitle{font-size:1.15rem;color:var(--muted);max-width:640px;margin:0 auto 2rem}
.hero-actions{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}

/* Sections */
.section{padding:4.5rem 0}
.section-alt{background:var(--bg-alt)}
.section-head{text-align:center;max-width:640px;margin:0 auto 3rem}
.section-head p{color:var(--muted)}

/* Feature cards */
.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.25rem}
.feature-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:1.75rem;transition:.25s}
.feature-card:hover{border-color:var(--accent);transform:translateY(-4px);box-shadow:var(--shadow)}
.feature-card h3{color:var(--accent)}
.feature-card p{color:var(--muted);margin:0}

/* Service cards */
.service-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(320px,100%),1fr));gap:1.25rem}
.service-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:1.75rem;transition:.25s}
.service-card:hover{border-color:var(--accent);transform:translateY(-4px);box-shadow:var(--shadow)}
.service-icon{font-size:2rem;width:60px;height:60px;display:flex;align-items:center;justify-content:center;
  background:var(--accent-soft);border-radius:12px;margin-bottom:1rem}
.service-card h2,.service-card h3{margin-bottom:.5rem}
.service-card p{color:var(--muted);margin:0}
.services-detailed .service-card{padding:2rem}

/* Stats */
.stats{background:var(--bg-alt)}
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:1.5rem;text-align:center}
.stat-number{font-size:2.5rem;font-weight:800;color:var(--accent);line-height:1}
.stat-label{color:var(--muted);font-size:.95rem;margin-top:.5rem}

/* CTA */
.cta{padding:4.5rem 0;background:
  radial-gradient(70% 120% at 50% 0%,rgba(108,195,250,.14),transparent 70%),var(--bg)}
.cta-inner{text-align:center;max-width:680px;margin:0 auto}
.cta-inner p{color:var(--muted)}

/* Page hero (interior) */
.page-hero{padding:4rem 0 1rem;background:
  radial-gradient(60% 100% at 50% 0%,rgba(108,195,250,.10),transparent 70%)}
.page-hero h1{margin-bottom:.5rem}
.page-lead{color:var(--muted);font-size:1.1rem;max-width:720px}

/* Prose */
.prose{max-width:760px}
.prose h2{margin-top:2.2rem}
.prose p{color:var(--text)}
.prose ul{color:var(--muted)}
.prose a{color:var(--accent)}
.prose hr{border:0;border-top:1px solid var(--border);margin:2rem 0}

/* Callout / notice */
.callout{margin-top:3rem;background:var(--surface);border:1px solid var(--border);
  border-left:3px solid var(--accent);border-radius:var(--radius);padding:1.75rem}
.callout h2{font-size:1.3rem;margin-bottom:.5rem}
.callout p{margin:0;color:var(--muted)}
.notice{background:var(--surface-2);border:1px solid var(--border);border-left:3px solid #f5b942;
  border-radius:var(--radius);padding:1.25rem 1.5rem;color:var(--text)}

/* Contact */
.contact-layout{display:grid;grid-template-columns:1fr 1.4fr;gap:2.5rem;align-items:start}
.contact-meta{color:var(--muted);font-size:.95rem;margin-top:1rem}
.contact-form{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:2rem}
.contact-form h2{font-size:1.3rem;margin-bottom:1rem}
.contact-form label{display:block;font-weight:600;font-size:.9rem;margin:.9rem 0 .35rem}
.contact-form input,.contact-form textarea{width:100%;padding:.75rem;background:var(--bg);
  border:1px solid var(--border);border-radius:9px;color:var(--text);font-family:inherit;font-size:1rem}
.contact-form input:focus,.contact-form textarea:focus{outline:none;border-color:var(--accent)}
.contact-form button{margin-top:1.25rem}

/* FAQ */
.faq-wrap{max-width:820px;margin:0 auto}
.faq-item{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  margin-bottom:.85rem;overflow:hidden}
.faq-item summary{cursor:pointer;list-style:none;padding:1.25rem 1.5rem;font-weight:600;
  color:var(--heading);position:relative;padding-right:3rem}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:'+';position:absolute;right:1.5rem;top:50%;transform:translateY(-50%);
  color:var(--accent);font-size:1.4rem;font-weight:400;transition:.2s}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(45deg)}
.faq-item[open] summary{color:var(--accent)}
.faq-answer{padding:0 1.5rem 1.25rem}
.faq-answer p{margin:0;color:var(--muted)}

/* Link list */
.link-list{list-style:none;padding:0}
.link-list li{margin:.5rem 0}

/* Footer */
.site-footer{background:var(--bg-alt);border-top:1px solid var(--border);padding:3.5rem 0 2rem;margin-top:2rem}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:2.5rem}
.footer-about p{color:var(--muted);margin-top:1rem;max-width:320px}
.footer-col h3{font-size:1rem;margin-bottom:1rem}
.footer-col ul{list-style:none;padding:0;margin:0}
.footer-col li{margin:.5rem 0;color:var(--muted)}
.footer-col a{color:var(--muted)}
.footer-col a:hover{color:var(--accent);text-decoration:none}
.footer-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:.5rem;
  border-top:1px solid var(--border);margin-top:2.5rem;padding-top:1.5rem;color:var(--muted);font-size:.88rem}
.footer-bottom p{margin:0}

/* Responsive */
@media(max-width:860px){
  .contact-layout{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:2rem}
}
@media(max-width:760px){
  .nav-toggle{display:flex}
  .nav-menu{position:fixed;inset:74px 0 auto 0;flex-direction:column;align-items:stretch;
    gap:0;background:var(--bg-alt);border-bottom:1px solid var(--border);padding:1rem 1.5rem;
    transform:translateY(-120%);transition:.3s;box-shadow:var(--shadow)}
  .nav-menu.open{transform:translateY(0)}
  .nav-menu li{padding:.6rem 0;border-bottom:1px solid var(--border)}
  .nav-cta{border-bottom:0 !important;padding-top:1rem !important}
  .nav-cta a{display:block;text-align:center}
}