/* Basic, modern, responsive styles */
:root{
  --bg: #0b1220;
  --card: #0f172a;
  --muted: #94a3b8;
  --text: #e2e8f0;
  --accent: #0ea5e9;
  --accent-2: #22d3ee;
  --ring: rgba(34,211,238,.35);
  --container: 1100px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  color:var(--text);
  background: radial-gradient(1200px 600px at 80% -10%, rgba(34,211,238,.12), transparent 60%),
              radial-gradient(900px 600px at 20% -10%, rgba(14,165,233,.10), transparent 60%),
              #0b1220;
  line-height:1.6;
}

img{max-width:100%;height:auto;display:block;border-radius:14px}

.container{max-width:var(--container);margin:0 auto;padding:0 20px}

.skip-link{
  position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden;
}
.skip-link:focus{position:static;width:auto;height:auto;padding:8px 12px;background:#111;color:#fff;z-index:999}

.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(11,18,32,.7);
  backdrop-filter: blur(10px);
  border-bottom:1px solid rgba(148,163,184,.12);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 0}
.logo{font-weight:800;font-size:1.25rem;text-decoration:none;color:var(--text);letter-spacing:.2px}
.logo .accent{color:var(--accent)}
.logo-mark{color:var(--accent-2);margin-right:.4rem}

.nav-toggle{display:none}
.nav-menu{display:flex;gap:18px;list-style:none;margin:0;padding:0}
.nav-menu a{color:var(--muted);text-decoration:none;padding:8px 10px;border-radius:8px}
.nav-menu a:hover,.nav-menu a:focus{color:var(--text);background:rgba(148,163,184,.12)}

.hero{padding:72px 0}
.hero-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:center}
.hero h1{font-size:clamp(2rem, 5vw, 3rem);line-height:1.1;margin:0 0 10px}
.hero p{color:var(--muted);max-width:60ch}
.cta-row{display:flex;gap:12px;margin:18px 0 10px}
.trust{display:flex;gap:18px;list-style:disc;color:var(--muted);padding-inline-start:18px}

.btn{display:inline-flex;align-items:center;gap:10px;padding:12px 16px;border-radius:12px;text-decoration:none;border:1px solid transparent;font-weight:600}
.btn-primary{background:linear-gradient(90deg,var(--accent),var(--accent-2));color:#0b1220}
.btn-ghost{border-color:rgba(148,163,184,.25);color:var(--text);background:transparent}

.section{padding:64px 0}
.section.alt{background:linear-gradient(180deg, rgba(148,163,184,.08), transparent)}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:18px}
.card{background:var(--card);padding:18px;border-radius:16px;border:1px solid rgba(148,163,184,.12)}

.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.feature{background:var(--card);padding:22px;border-radius:16px;border:1px solid rgba(148,163,184,.12)}
.feature-icon{font-size:1.6rem;margin-bottom:8px}

.portfolio{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:10px}
.work figcaption{color:var(--muted);margin-top:8px}

.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:24px;align-items:start}
.contact-form{display:grid;gap:10px;background:var(--card);padding:18px;border-radius:16px;border:1px solid rgba(148,163,184,.12)}
.contact-form input,.contact-form textarea{
  padding:12px;border-radius:12px;border:1px solid rgba(148,163,184,.25);background:#0b1220;color:var(--text);
}
.contact-form input:focus,.contact-form textarea:focus{
  outline:2px solid var(--ring);border-color:var(--accent-2);
}
.form-note{color:var(--muted);min-height:1.2em}
.list{list-style:none;padding:0;margin:0;display:grid;gap:6px}
.small{color:var(--muted);font-size:.95rem}

.site-footer{border-top:1px solid rgba(148,163,184,.12);padding:24px 0;margin-top:32px}
.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:12px}
.footer-inner a{color:var(--muted);text-decoration:none;margin-right:10px}
.footer-inner a:hover{color:var(--text)}

@media (max-width: 900px){
  .hero-inner,.contact-grid{grid-template-columns:1fr}
  .grid-3,.cards,.portfolio{grid-template-columns:1fr 1fr}
}
@media (max-width: 640px){
  .nav-toggle{display:inline-flex;background:transparent;border:1px solid rgba(148,163,184,.25);color:var(--text);padding:8px 12px;border-radius:10px}
  .nav-menu{display:none;position:absolute;right:20px;top:56px;background:#0b1220;border:1px solid rgba(148,163,184,.25);border-radius:12px;padding:10px 12px;flex-direction:column;min-width:180px}
  .nav-menu.open{display:flex}
  .grid-3,.cards,.portfolio{grid-template-columns:1fr}
  .cta-row{flex-direction:column;align-items:start}
}