.secteur-hero {
    padding: calc(var(--nav-h, 80px) + 96px) var(--gutter) 100px;
    background: var(--ink);
    color: var(--paper);
    position: relative;
    overflow: hidden;
  }
  .secteur-hero::before {
    content: '';
    position: absolute;
    top: -150px; right: -150px;
    width: 600px; height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, #1a1a3a80 0%, transparent 65%);
    pointer-events: none;
  }
  .usage-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2px;
    background: var(--line);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-top: 48px;
  }
  .usage-card {
    background: var(--paper);
    padding: 36px 32px;
  }
  .usage-card .num {
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--leaf);
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    gap: 6px;
  }
  .usage-card .num::before {
    content: '';
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--algae);
  }
  .usage-card h3 { font-size: 17px; font-weight: 500; margin-bottom: 10px; letter-spacing: -0.01em; }
  .usage-card p { font-size: 14px; color: var(--muted); line-height: 1.6; margin: 0; }
  @media (max-width: 700px) { .usage-list { grid-template-columns: 1fr; } }