/* Minimal modern CSS (Apple-style aesthetics) */
:root{
  --bg:#ffffff;
  --muted:#6b7280;
  --accent:#0f172a;
  --glass: rgba(15,23,42,0.04);
  --radius: 14px;
  --max-width: 1100px;
  --gap: 28px;
  --accent-2: #0ea5a4;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial;
  background:var(--bg);
  color:var(--accent);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  line-height:1.5;
}
.container{max-width:var(--max-width);margin:0 auto;padding:40px 24px;}
.section{padding:80px 0;}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;}
.site-header{position:sticky;top:0;background:rgba(255,255,255,0.75);backdrop-filter:blur(6px);border-bottom:1px solid rgba(15,23,42,0.06);z-index:50}
.brand img{height:36px}
.nav a{margin:0 10px;color:var(--accent);text-decoration:none;font-weight:600}
.controls{display:flex;align-items:center;gap:12px}
.lang{background:transparent;border:1px solid rgba(15,23,42,0.08);padding:8px 10px;border-radius:8px;font-weight:600;cursor:pointer}
.button{background:var(--accent);color:white;padding:10px 14px;border-radius:10px;text-decoration:none;font-weight:700;display:inline-flex;align-items:center;gap:8px;border:0;cursor:pointer;box-shadow:0 6px 18px rgba(12,14,20,0.08)}
.button.ghost{background:transparent;color:var(--accent);border:1px solid rgba(15,23,42,0.06);font-weight:700}
.hero{display:flex;align-items:center;padding-top:64px;padding-bottom:64px}
.hero-inner{display:grid;grid-template-columns:1fr 420px;gap:40px;align-items:center;}
.hero-copy h1{font-size:44px;margin:0 0 12px 0;font-weight:700;letter-spacing:-0.02em;}
.lead{color:var(--muted);margin-bottom:18px;font-size:17px}
.mock-device{background:linear-gradient(180deg,#f8fafc,#fff);border-radius:20px;box-shadow:0 20px 60px rgba(12,14,20,0.06);padding:28px;display:flex;align-items:center;justify-content:center}
.mock-device img{max-width:100%;height:220px;object-fit:contain;border-radius:12px}
.grid.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:28px}
.card{background:white;border-radius:12px;padding:22px;box-shadow:0 6px 24px rgba(12,14,20,0.04);transition:transform .3s, box-shadow .3s;border:1px solid rgba(15,23,42,0.03)}
.card:hover{transform:translateY(-8px);box-shadow:0 20px 40px rgba(12,14,20,0.08)}
.about-inner{display:grid;grid-template-columns:420px 1fr;gap:40px;align-items:center}
.about-media img{width:100%;height:auto;border-radius:12px}
.bullets{margin-top:12px;padding-left:18px;color:var(--muted);
}
.contact-grid{display:grid;grid-template-columns:1fr 360px;gap:28px;margin-top:20px}
.form input,.form textarea{width:100%;padding:12px;border-radius:10px;border:1px solid rgba(15,23,42,0.06);margin-bottom:12px;font-size:15px}
.form .form-row{display:flex;align-items:center;justify-content:space-between;gap:12px}
.contact-info{background:var(--glass);padding:20px;border-radius:12px;border:1px solid rgba(15,23,42,0.03)}
.site-footer{background:#0f172a;color:#fff;padding:36px 0;margin-top:40px}
.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:20px}
.footer-logo{height:36px}
.muted{color:var(--muted)}
.small{font-size:13px;color:var(--muted)}

/* animations */
[data-anim]{opacity:0;transform:translateY(12px);transition:opacity .7s ease, transform .7s ease}
[data-anim].in{opacity:1;transform:none}

/* responsive */
@media (max-width: 980px){
  .hero-inner{grid-template-columns:1fr;gap:24px}
  .grid.cards{grid-template-columns:repeat(2,1fr)}
  .about-inner{grid-template-columns:1fr;order:unset}
  .contact-grid{grid-template-columns:1fr; }
  .controls{gap:8px}
}
@media (max-width: 560px){
  .nav{display:none}
  .container{padding:24px}
  .hero-copy h1{font-size:28px}
  .grid.cards{grid-template-columns:1fr}
}