:root {
  --maxw: 1000px;
  --gap: 1.25rem;
  --radius: 16px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  background: radial-gradient(1000px 400px at 10% 10%, #f8ffe9, transparent),
              radial-gradient(800px 400px at 90% 0%, #e9f4ff, transparent),
              #ffffff;
  color: #222;
  font: 16px/1.5 system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, Apple Color Emoji, Segoe UI Emoji;
}

.wrap {
  width: min(100% - 2rem, var(--maxw));
  margin-inline: auto;
}

header { text-align: center; padding: 3rem 0 1rem; }
h1 { font-size: clamp(2rem, 2vw + 1.5rem, 3rem); margin: 0 0 .25rem; }
.tagline { margin: 0; opacity: .75; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--gap);
  padding: 2rem 0 3rem;
  align-items: start;
}

.card {
  background: #fff;
  border-radius: var(--radius);
  padding: 1rem;
  box-shadow: 0 10px 25px rgba(0,0,0,.08);
  text-align: center;
}

.card img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1/1;
}

figcaption { margin-top: .5rem; opacity: .8; font-size: .95rem; }

.footer { text-align: center; padding: 1rem 0 2rem; opacity: .7; }