:root{--max:1100px;--pad:20px;--border:#e6e6e6;--muted:#666;--bg:#fff}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:#111;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.5}
a{color:inherit}
.container{max-width:var(--max);margin:0 auto;padding:0 var(--pad)}
header{border-bottom:1px solid var(--border);background:#fafafa}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 0;gap:12px}
.brand{font-weight:700;letter-spacing:.2px}
nav{display:flex;gap:14px;flex-wrap:wrap}
nav a{text-decoration:none;color:#111;opacity:.85}
nav a:hover{opacity:1;text-decoration:underline}
main{padding:26px 0 40px}
h1{font-size:32px;line-height:1.15;margin:0 0 10px}
h2{font-size:18px;margin:26px 0 10px}
p{margin:0 0 12px}
.muted{color:var(--muted)}

/* Desktop: 3-up grid */
.cards{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:16px;
  margin-top:16px;
}
.card{border:1px solid var(--border);border-radius:14px;overflow:hidden;background:#fff}
.card-inner{
  display:flex;
  flex-direction:column;
  gap:14px;
  padding:16px;
  height:100%;
}
.app-meta{display:flex;gap:12px;align-items:flex-start}
.app-icon{width:56px;height:56px;border-radius:14px;flex:0 0 auto}
.app-title{font-weight:700;margin:0}
.app-desc{margin-top:4px;color:var(--muted)}
.screenshot-wrap{margin-top:auto}
.screenshot{
  width:100%;
  height:auto;
  max-height:260px;
  object-fit:contain;
  border-radius:14px;
  border:1px solid var(--border);
  background:#fff;
}

footer{border-top:1px solid var(--border);background:#fafafa;padding:16px 0}
.footer-inner{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;color:var(--muted);font-size:14px}

/* Tablet: 2 columns */
@media (max-width: 980px){
  .cards{grid-template-columns:repeat(2,minmax(0,1fr))}
}

/* Mobile: 1 column, keep each app together */
@media (max-width: 720px){
  h1{font-size:26px}
  .cards{grid-template-columns:1fr}
  .screenshot{max-height:none}
}