:root {
  color-scheme: light;
  --ink: #111318;
  --muted: #3f4653;
  --paper: #f2f4ef;
  --panel: #ffffff;
  --stroke: #d7ddd1;
  --accent-review: #1d4ed8;
  --accent-backup: #c2410c;
  --accent-index: #0f766e;
  --accent-display: #be123c;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Avenir Next", "Gill Sans", "Trebuchet MS", sans-serif;
  background:
    radial-gradient(circle at 20% 0%, #e9eedf 0%, transparent 38%),
    radial-gradient(circle at 100% 100%, #e1e7d9 0%, transparent 45%),
    var(--paper);
  color: var(--ink);
  min-height: 100vh;
}

.shell {
  width: min(1080px, 92vw);
  margin: 0 auto;
  padding: 56px 0 72px;
}

.hero h1 {
  margin: 8px 0 0;
  font-size: clamp(2.1rem, 3.8vw, 3.3rem);
  letter-spacing: -0.02em;
}

.kicker {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.75rem;
  color: var(--muted);
  font-weight: 700;
}

.summary {
  margin: 18px 0 0;
  font-size: 1.08rem;
  color: var(--muted);
  max-width: 58ch;
}

.grid {
  margin-top: 34px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--stroke);
  border-left: 7px solid transparent;
  border-radius: 14px;
  padding: 22px;
  text-decoration: none;
  color: inherit;
  transition: transform 140ms ease, box-shadow 140ms ease;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(17, 19, 24, 0.08);
}

.card .tag {
  display: inline-block;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 700;
  color: var(--muted);
}

.card h2 {
  margin: 10px 0 8px;
  font-size: 1.45rem;
}

.card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.45;
}

.card-review {
  border-left-color: var(--accent-review);
}

.card-backup {
  border-left-color: var(--accent-backup);
}

.card-index {
  border-left-color: var(--accent-index);
}

.card-display {
  border-left-color: var(--accent-display);
}

@media (max-width: 820px) {
  .grid {
    grid-template-columns: 1fr;
  }

  .shell {
    padding-top: 42px;
  }
}