:root{
  --container: 1100px;
  --accent: #007aff; /* blue accent used for Download App */
  --text:#0b1220;
  --muted:#6b7280;
  --bg:#f6f6f8;
  --card:#ffffff;
  --radius:12px;
}

*{box-sizing:border-box}
html,body{height:100%;margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}
.container{max-width:var(--container);margin:0 auto;padding:20px}

/* Topbar / header (shared style used across pages) */
header {background-color: white;}
.topbar{display:flex;align-items:center;justify-content:space-between;padding:12px 0;background:var(--card);border-bottom:1px solid rgba(0,0,0,0.04);border-radius:0}
.brand{display:flex;align-items:center;gap:12px}
.brand-logo{height:44px}
.site-nav{display:flex;align-items:center;gap:12px}
.nav-link{margin-left:6px;text-decoration:none;color:var(--text);font-weight:600;padding:6px 8px;border-radius:8px}
.nav-link:hover{background:rgba(0,0,0,0.03)}
.lang-switch{margin-left:8px;text-decoration:none;color:var(--accent);font-weight:700;padding:8px;border-radius:8px;display:inline-flex;align-items:center;justify-content:center}
.lang-switch:hover{background:rgba(0,122,255,0.06)}

/* Buttons */
.btn{border-radius:10px;padding:10px 14px;text-decoration:none;display:inline-block}
.btn-primary{background:var(--accent);color:#fff}
.btn-outline{border:1px solid rgba(10,10,10,0.06);color:var(--text);background:#fff}
.appstore-btn{background:var(--accent);color:#fff;padding:8px 12px;border-radius:8px;text-decoration:none}
.btn-link{text-decoration:none;color:var(--text);padding:6px 8px}

/* Hero */
.hero{display:grid;grid-template-columns:1fr 420px;align-items:center;gap:30px;padding:40px 0}
.hero-copy h1{font-size:48px;margin:0}
.lead{font-size:20px;font-weight:600;margin:8px 0}
.sub{color:var(--muted);margin:10px 0 18px}
.cta-group{display:flex;gap:12px}
.hero-image img{width:100%;max-width:320px;border-radius:18px;box-shadow:0 10px 30px rgba(0,0,0,0.08)}

/* Content cards and layout */
.card{background:var(--card);border-radius:var(--radius);padding:18px;margin:18px 0;box-shadow:0 4px 14px rgba(10,10,30,0.04)}
.card img{max-width:100%;height:auto;border-radius:8px}
.two-col{display:grid;grid-template-columns:1fr 380px;gap:20px;align-items:start}
.two-col aside{justify-self:end}
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:18px}
.feature{background:var(--card);padding:14px;border-radius:12px;box-shadow:0 6px 16px rgba(20,30,40,0.04)}
.feature img{width:100%;height:auto;border-radius:8px}
.feature h3{margin:12px 0 6px}
.feature p{color:var(--muted);margin:0}

/* Personas and detailed features */
.personas{margin-top:36px}
.persona-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:12px}
.persona-card{background:var(--card);padding:10px;border-radius:10px;text-align:center}
.persona-card img{width:100%;border-radius:8px}
.persona-card figcaption p{color:var(--muted);margin:8px 0 0}
.detailed-features{margin-top:36px}
.df-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;align-items:center;margin-bottom:22px}
.df-row.alt{direction:rtl}
.df-row.alt .df-text{direction:ltr}
.df-media img{width:100%;border-radius:10px}
.df-text h3{margin-top:0}
.df-text p{color:var(--muted)}

/* Footer */
.site-footer{background:#fff;border-top:1px solid rgba(0,0,0,0.03);padding:18px 0;margin-top:30px}
.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:18px}
.footer-left{display:flex;gap:12px;align-items:center}
.footer-logo{height:40px}
.footer-right a{margin-left:12px;text-decoration:none;color:var(--text)}
.attribution,.footer-note{padding:8px 0;text-align:center;color:var(--muted)}
.footer-note{margin-top:12px}
.center-card{text-align:center}

/* Utility */
.muted-note{font-size:14px;color:var(--muted);margin-top:8px}
.small{font-size:13px;color:var(--muted)}
.sr-only{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden}
.feature-anchors{margin-top:12px;display:flex;gap:8px;flex-wrap:wrap}
.footer-note small{color:var(--muted)}
.code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;background:#f2f4f7;padding:6px 8px;border-radius:6px;display:inline-block}
.inline-img{max-width:100%;border-radius:8px;box-shadow:0 6px 18px rgba(0,0,0,0.04);margin-top:12px}
.faq-intro{margin:18px 0;color:var(--muted)}
.faq-search{display:flex;gap:8px;margin:12px 0}
.faq-search input{flex:1;padding:10px;border-radius:10px;border:1px solid rgba(0,0,0,0.06)}
.faq-list{margin-top:18px}
details{background:var(--card);padding:14px;border-radius:10px;margin-bottom:10px}
summary{font-weight:600;cursor:pointer;outline:none}
.faq-body{margin-top:10px;color:var(--muted)}
.support-contact{display:flex;gap:18px;align-items:flex-start;margin-top:18px}
.contact-box{background:var(--card);padding:14px;border-radius:10px}


/* Version history */
.version-history__items {
    padding-top: 0px;
    list-style: none;
}
.version-history__item {
    padding-top: 11px;
    padding-bottom: 12px;
    border-top: 1px solid #d6d6d6;
}
.version-history__item__version-number {
    margin-top: 0px;
    margin-bottom: 10px;
    float: left;
    font-size: 13px;
    line-height: 1.38462;
    font-weight: 600;
    letter-spacing: -.005em;
    font-family: "SF Pro Text", "SF Pro Icons", "Apple WebExp Icons Custom", "Helvetica Neue", Helvetica, Arial, sans-serif;
}
.version-history__item__release-date {
    float: right;
    margin-bottom: 10px;
    color: #636366;
    font-size: 13px;
    line-height: 1.38462;
    font-weight: 400;
    letter-spacing: -.005em;
    font-family: "SF Pro Text", "SF Pro Icons", "Apple WebExp Icons Custom", "Helvetica Neue", "Helvetica", "Arial", "sans-serif";
}
.version-history__item__release-notes {
    margin-bottom: 21px;
    clear: both;
    font-size: 13px;
    line-height: 1.38462;
    font-weight: 400;
    letter-spacing: -.005em;
    font-family: "SF Pro Text", "SF Pro Icons", "Apple WebExp Icons Custom", "Helvetica Neue", "Helvetica", "Arial", "sans-serif";
}



@media (max-width:520px){
  .feature-grid{grid-template-columns:1fr}
  .hero-copy h1{font-size:36px}
  .hero-image{margin-top:18px}
  .cta-group{flex-direction:column;gap:8px}
  .site-nav{flex-wrap:wrap;gap:6px}
  .nav-link{font-size:14px;padding:6px}
  .appstore-btn{padding:8px 10px}
}