:root{
  --bg:#ffffff;
  --text:#121212;
  --muted:#4a4a4a;
  --line:rgba(18,18,18,.10);
  --card:#ffffff;
  --shadow:0 10px 30px rgba(18,18,18,.06);
  --shadow2:0 2px 10px rgba(18,18,18,.04);
  --radius:18px;
  --radius2:14px;
  --container:1040px;
  --accent:#121212;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

.skip-link{
  position:absolute;
  left:-9999px;
  top:auto;
  width:1px;
  height:1px;
  overflow:hidden;
}
.skip-link:focus{
  left:16px;
  top:16px;
  width:auto;
  height:auto;
  padding:10px 12px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:12px;
  box-shadow:var(--shadow2);
  z-index:50;
}

.container{
  width:min(var(--container), calc(100% - 40px));
  margin:0 auto;
}

.top{
  padding:44px 0 22px;
}

.brand{
  display:flex;
  align-items:center;
  gap:10px;
  color:var(--text);
}
.brand__mark{
  width:10px;
  height:10px;
  border-radius:999px;
  background:linear-gradient(135deg, rgba(18,18,18,.85), rgba(18,18,18,.25));
}
.brand__text{
  font-weight:600;
  letter-spacing:.08em;
  font-size:12px;
}

.hero{
  margin-top:22px;
  border:1px solid var(--line);
  background:radial-gradient(1200px 320px at 20% 0%, rgba(18,18,18,.04), rgba(255,255,255,0) 55%),
             radial-gradient(900px 260px at 80% 20%, rgba(18,18,18,.03), rgba(255,255,255,0) 55%);
  border-radius:var(--radius);
  padding:28px;
  box-shadow:var(--shadow2);
}

.title{
  margin:0;
  font-size:28px;
  letter-spacing:.02em;
}

.subtitle{
  margin:10px 0 0;
  color:var(--muted);
  max-width:70ch;
}

.hero__actions{
  margin-top:16px;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:11px 14px;
  border-radius:999px;
  border:1px solid rgba(18,18,18,.16);
  text-decoration:none;
  color:var(--text);
  background:#fff;
  box-shadow:var(--shadow2);
  font-weight:600;
  font-size:14px;
  letter-spacing:.01em;
  transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.btn:focus-visible{
  outline:3px solid rgba(18,18,18,.18);
  outline-offset:3px;
}
.btn:hover{
  transform:translateY(-1px);
  box-shadow:var(--shadow);
  border-color:rgba(18,18,18,.22);
}

.main{
  padding:18px 0 50px;
}

.grid{
  display:grid;
  grid-template-columns:repeat(12, 1fr);
  gap:14px;
  margin-top:18px;
}

.card{
  grid-column:span 12;
  border:1px solid var(--line);
  background:var(--card);
  border-radius:var(--radius2);
  padding:18px 18px 16px;
  box-shadow:var(--shadow2);
}

.card__head{
  display:flex;
  gap:12px;
  align-items:flex-start;
}

.icon{
  width:40px;
  height:40px;
  border-radius:12px;
  border:1px solid rgba(18,18,18,.10);
  display:flex;
  align-items:center;
  justify-content:center;
  color:rgba(18,18,18,.88);
  background:linear-gradient(180deg, rgba(18,18,18,.02), rgba(18,18,18,.00));
  flex:0 0 auto;
}

.card__title{
  margin:2px 0 0;
  font-size:16px;
  letter-spacing:.01em;
}

.list{
  margin:12px 0 0;
  padding:0 0 0 18px;
  color:var(--muted);
}
.list li{
  margin:8px 0;
}

.footer{
  margin-top:20px;
  padding-top:18px;
}
.footer__line{
  height:1px;
  background:var(--line);
}
.footer__content{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  padding:14px 2px 0;
  gap:10px;
}
.footer__brand{
  font-weight:600;
  letter-spacing:.08em;
  font-size:12px;
}
.footer__meta{
  color:var(--muted);
  font-size:12px;
}

@media (min-width: 720px){
  .title{font-size:34px}
  .hero{padding:34px}
  .grid{gap:16px}
  .card{padding:20px 20px 18px}
  .card{grid-column:span 6}
}

@media (min-width: 1020px){
  .card{grid-column:span 4}
}

@media (prefers-reduced-motion: reduce){
  .btn{transition:none}
  .btn:hover{transform:none}
}