body { font-family: system-ui, Arial, sans-serif; margin: 0; background: #fff; color: #111; }
a { color: #0645ad; }
.header { padding: 24px 32px; }
.card { background: #f3f3f3; padding: 16px; border-radius: 6px; }
.footer { text-align: center; padding: 24px; color: #333; }
.page { margin: 24px 32px; }
.back { display: inline-block; margin: 16px 32px; }
button { padding: 10px 12px; border: 1px solid #aaa; background: white; border-radius: 6px; cursor: pointer; }

.grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 16px;
  padding: 0 32px 32px;
}

.hw1-card { grid-column: 1; grid-row: 1; }
.team-card { grid-column: 2; grid-row: 1; }

.hw-section { grid-column: 1; grid-row: 2; }
.analytics-card { grid-column: 2; grid-row: 2; }

.hw2-columns{
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 2rem;
  align-items: start;
}

.hw2-col { min-width: 0; }
.hw2-col ul { margin: 0.5rem 0 0; padding-left: 1.25rem; }

.hw2-sublinks { margin-top: 0.9rem; }

@media (max-width: 900px){
  .grid { grid-template-columns: 1fr; }

  .hw1-card { grid-column: 1; grid-row: 1; }
  .team-card { grid-column: 1; grid-row: 2; }
  .hw-section { grid-column: 1; grid-row: 3; }
  .analytics-card { grid-column: 1; grid-row: 4; }

  .hw2-columns{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 520px){
  .hw2-columns{ grid-template-columns: 1fr; }
}