:root{
  --bg:#0b0f1a; --panel:#11182a; --muted:#9fb0ca; --text:#eaf2ff; --primary:#4f8cff; --primary-700:#3f73d0; --accent:#00e7ac;
}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;font-family:'Inter',system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,'Helvetica Neue',Arial,sans-serif;background:linear-gradient(180deg,#0b0f1a, #0e1322);color:var(--text)}
img{max-width:100%;display:block}
.container{width:min(1120px,92%);margin-inline:auto}
.grid-two{display:grid;grid-template-columns:1.2fr 1fr;gap:32px;align-items:center}
@media (max-width: 900px){.grid-two{grid-template-columns:1fr;}}

/* Header */
.site-header{position:sticky;top:0;background:rgba(11,15,26,.7);backdrop-filter:blur(8px);border-bottom:1px solid rgba(255,255,255,.06);z-index:10}
.site-header .container{display:flex;align-items:center;justify-content:space-between;padding:14px 0}
.branding{display:flex;align-items:center;gap:16px}
.logo{font-weight:800;font-size:20px;letter-spacing:.5px}
.logo span{color:var(--accent)}
.nav-toggle{display:none;background:none;border:1px solid rgba(255,255,255,.15);color:var(--text);padding:6px 10px;border-radius:8px}
.site-nav{display:flex;gap:18px}
.site-nav a{color:var(--muted);text-decoration:none;padding:8px 10px;border-radius:8px}
.site-nav a:hover{color:var(--text);background:rgba(255,255,255,.06)}
@media (max-width: 800px){
  .nav-toggle{display:inline-flex}
  .site-nav{position:absolute;right:4%;top:56px;background:var(--panel);border:1px solid rgba(255,255,255,.08);padding:12px;flex-direction:column;display:none}
  .site-nav.open{display:flex}
}

/* Hero */
.hero{padding:64px 0}
.hero h1{font-size:clamp(28px,4vw,44px);margin:0 0 10px}
.hero p{color:var(--muted);margin:0 0 22px;line-height:1.6}
.cta{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-block;border-radius:12px;padding:10px 16px;text-decoration:none}
.btn.primary{background:linear-gradient(135deg,var(--primary),var(--primary-700));color:white}
.btn.ghost{border:1px solid rgba(255,255,255,.2);color:var(--text)}
.device-frame{border-radius:18px;border:1px solid rgba(255,255,255,.08);background:rgba(255,255,255,.02);box-shadow:0 10px 30px rgba(0,0,0,.4);overflow:hidden}
.device-frame img{width:100%;height:auto}

/* Features */
.features{padding:32px 0 12px}
.features h2{margin:0 0 20px}
.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media (max-width:900px){.features-grid{grid-template-columns:1fr 1fr}}
@media (max-width:600px){.features-grid{grid-template-columns:1fr}}
.feature{background:var(--panel);border:1px solid rgba(255,255,255,.06);padding:18px;border-radius:16px}
.feature .icon{font-size:22px;margin-bottom:6px}

/* Screens masonry */
.screens{padding:40px 0}
.screens h2{margin:0 0 16px}
.masonry{columns:4 260px;column-gap:14px}
.masonry-item{break-inside:avoid;margin:0 0 14px;border-radius:14px;overflow:hidden;border:1px solid rgba(255,255,255,.08);background:rgba(255,255,255,.02)}
.masonry-item img{width:100%;height:auto;display:block}

/* Download */
.download{padding:40px 0}

/* Contact */
.contact{padding:40px 0 64px}
.contact-form{max-width:620px}
.form-row{display:flex;flex-direction:column;margin-bottom:12px}
label{font-size:14px;color:var(--muted);margin-bottom:8px}
input,textarea{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);border-radius:10px;padding:10px 12px;color:var(--text)}
input:focus,textarea:focus{outline:2px solid var(--primary);border-color:transparent}
.form-status{margin-top:8px;color:var(--muted)}

/* Footer */
.site-footer{border-top:1px solid rgba(255,255,255,.08);padding:18px 0;color:var(--muted)}

/* Language switch */
.lang-switch{display:flex;gap:8px}
.lang-switch button{background:none;border:1px solid rgba(255,255,255,.15);color:var(--muted);padding:6px 10px;border-radius:8px;cursor:pointer}
.lang-switch button[aria-pressed="true"]{background:var(--primary);color:#fff;border-color:transparent}
@media (max-width: 800px){
  .site-header .container{gap:10px}
}