:root {
  --bg: #eef1f4;
  --panel: #ffffff;
  --ink: #1b2330;
  --muted: #5c6778;
  --line: #d5dbe3;
  --accent: #1f4fd8;
  --accent-soft: #e8eefe;
  --warn: #8a3b12;
  --warn-bg: #fff4ec;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.5 "Segoe UI", system-ui, sans-serif;
}

body {
  min-height: 100vh;
}

.top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 16px 28px;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
}

.brand {
  color: var(--ink);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-decoration: none;
  text-transform: uppercase;
  font-size: 13px;
}

.account {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--muted);
  font-size: 14px;
}

.who { color: var(--ink); }

.text-link {
  color: var(--accent);
  font-weight: 600;
  text-decoration: none;
}

.text-link:hover { text-decoration: underline; }

main {
  width: min(980px, calc(100% - 32px));
  margin: 0 auto;
  padding: 42px 0 64px;
}

.kicker {
  margin: 0 0 6px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: 36px;
  line-height: 1.15;
  letter-spacing: -0.03em;
}

.lede {
  margin: 10px 0 0;
  max-width: 40rem;
  color: var(--muted);
}

.banner {
  margin: 18px 0 0;
  padding: 10px 12px;
  border: 1px solid #f0c7ad;
  border-radius: 8px;
  background: var(--warn-bg);
  color: var(--warn);
}

.panel, .card {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel);
}

.panel {
  margin-top: 28px;
  padding: 22px;
  max-width: 38rem;
}

.panel h2 {
  margin: 0 0 8px;
  font-size: 20px;
}

.panel p {
  margin: 0;
  color: var(--muted);
}

.panel code {
  font-size: 0.92em;
}

.button {
  display: inline-block;
  margin-top: 18px;
  padding: 10px 16px;
  border-radius: 8px;
  background: var(--accent);
  color: white;
  font-weight: 600;
  text-decoration: none;
}

.button:hover { filter: brightness(1.08); }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 14px;
  margin-top: 28px;
}

.card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-height: 168px;
  padding: 18px;
  color: inherit;
  text-decoration: none;
}

.card:hover, .card:focus-visible {
  border-color: var(--accent);
  outline: none;
  box-shadow: inset 0 0 0 1px var(--accent);
}

.card-kicker {
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.card-title {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.card-copy {
  color: var(--muted);
}

.card-go {
  margin-top: auto;
  padding-top: 12px;
  color: var(--accent);
  font-weight: 700;
}

.card:hover .card-go { text-decoration: underline; }

@media (max-width: 640px) {
  .top { padding: 14px 16px; }
  h1 { font-size: 30px; }
}