/* Base */
:root{
  --bg:#0b1020;
  --bg-alt:#0f1530;
  --text:#e8edf7;
  --muted:#b6c0d9;
  --primary:#8b5cf6;
  --primary-600:#7c3aed;
  --card:#121936;
  --border:rgba(255,255,255,.08);
  --shadow:0 10px 30px rgba(0,0,0,.35);
  --radius:14px;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,sans-serif;
  background:radial-gradient(1200px 600px at 20% -10%, #2b2e61 0%, rgba(43,46,97,0) 60%),
             radial-gradient(1000px 500px at 100% 0%, #31185c 0%, rgba(49,24,92,0) 55%),
             var(--bg);
  color:var(--text);
  line-height:1.65;
}

.container{width:min(1140px,92%);margin:0 auto}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(11,16,32,.7);backdrop-filter:saturate(140%) blur(10px);border-bottom:1px solid var(--border)}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 0}
.brand{display:flex;flex-direction:column;gap:4px}
.brand-mark{font-weight:800;letter-spacing:.08em}
.brand-legal{font-size:.78rem;color:var(--muted)}

.nav{position:relative}
.nav-toggle{display:none;background:none;border:1px solid var(--border);color:var(--text);padding:8px 10px;border-radius:10px;font-size:18px}
.nav-list{display:flex;gap:22px;list-style:none;margin:0;padding:0}
.nav-list a{color:var(--muted);text-decoration:none;font-weight:500}
.nav-list a:hover{color:var(--text)}

/* Hero */
.hero{padding:72px 0 48px;border-bottom:1px solid var(--border)}
.hero-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:center}
.hero-content h1{font-size:clamp(28px,4.2vw,46px);line-height:1.15;margin:0 0 12px}
.lead{font-size:1.05rem;color:var(--muted);max-width:58ch;margin:0 0 22px}
.hero-actions{display:flex;gap:12px}

.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:12px;padding:12px 16px;text-decoration:none;font-weight:600}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-600));color:white;box-shadow:var(--shadow)}
.btn-primary:hover{filter:brightness(1.05)}
.btn-ghost{border:1px solid var(--border);color:var(--text);background:transparent}
.btn-ghost:hover{background:rgba(255,255,255,.03)}

.hero-media{height:360px;border-radius:22px;background:url('https://images.unsplash.com/photo-1541643600914-78b084683601?q=80&w=1600&auto=format&fit=crop') center/cover no-repeat,linear-gradient(180deg,#1f2445,transparent);box-shadow:var(--shadow);border:1px solid var(--border)}

/* Sections */
.section{padding:64px 0}
.section.alt{background:linear-gradient(180deg,transparent,rgba(255,255,255,.02))}
.section-header h2{margin:0 0 8px;font-size:clamp(22px,3.4vw,32px)}
.section-header p{margin:0;color:var(--muted)}

.grid{display:grid;gap:18px}
.cards{grid-template-columns:repeat(3,1fr);margin-top:22px}
.card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:18px 18px 14px;box-shadow:var(--shadow)}
.card h3{margin:0 0 8px;font-size:1.1rem}
.card p{margin:0 0 10px;color:var(--muted)}
.list{margin:0;padding-left:18px;color:var(--muted)}

.logo-cloud{display:grid;grid-template-columns:repeat(6,1fr);gap:14px;margin-top:18px}
.logo{border:1px dashed var(--border);border-radius:12px;padding:12px;text-align:center;color:var(--muted);background:rgba(255,255,255,.02)}

.features{grid-template-columns:repeat(4,1fr);margin-top:8px}
.feature{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:16px}
.feature-icon{font-size:22px;margin-bottom:6px}

.testimonials{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:10px}
.testimonial{margin:0;background:var(--card);border:1px solid var(--border);border-radius:16px;padding:16px;color:var(--muted)}
.testimonial p{margin:0 0 8px;color:var(--text)}
.testimonial footer{color:var(--muted);font-size:.92rem}

/* Contact */
.contact-form{margin-top:16px;background:var(--card);border:1px solid var(--border);border-radius:16px;padding:16px}
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.form-field{display:flex;flex-direction:column;gap:8px}
.form-field.full{grid-column:1/-1}
.form-field span{font-weight:600}
.form-field input,.form-field textarea{background:#0b122a;border:1px solid var(--border);color:var(--text);border-radius:12px;padding:12px}
.form-field input::placeholder,.form-field textarea::placeholder{color:#8d97b3}
.form-actions{display:flex;align-items:center;gap:12px}
.form-note{margin:0;color:var(--muted);font-size:.9rem}

/* Footer */
.site-footer{border-top:1px solid var(--border);padding:22px 0;background:rgba(11,16,32,.6);backdrop-filter:saturate(140%) blur(8px)}
.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:14px}
.brand.small .brand-mark{font-weight:800}
.footer-nav{display:flex;gap:16px}
.footer-nav a{color:var(--muted);text-decoration:none}
.footer-nav a:hover{color:var(--text)}

/* Responsive */
@media (max-width: 960px){
  .hero-inner{grid-template-columns:1fr}
  .hero-media{height:280px}
  .cards{grid-template-columns:1fr 1fr}
  .features{grid-template-columns:1fr 1fr}
  .testimonials{grid-template-columns:1fr 1fr}
  .logo-cloud{grid-template-columns:repeat(3,1fr)}
}

@media (max-width: 680px){
  .nav-toggle{display:inline-flex}
  .nav-list{position:absolute;right:0;top:120%;background:var(--card);border:1px solid var(--border);border-radius:12px;flex-direction:column;gap:0;overflow:hidden;min-width:220px;display:none}
  .nav-list.show{display:flex}
  .nav-list li{border-bottom:1px solid var(--border)}
  .nav-list li:last-child{border-bottom:none}
  .nav-list a{display:block;padding:10px 12px}

  .cards{grid-template-columns:1fr}
  .features{grid-template-columns:1fr}
  .testimonials{grid-template-columns:1fr}
  .logo-cloud{grid-template-columns:repeat(2,1fr)}
  .form-grid{grid-template-columns:1fr}
}