/* ── HERO ───────────────────────────────── */
  .z-hero {
    padding: calc(var(--nav-h, 80px) + 96px) var(--gutter) 100px;
    background: var(--cream) url('../../uploads/capteur-qai-bioteos.jpg') right center / contain no-repeat;
    position: relative;
    overflow: hidden;
  }
  .z-hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, var(--cream) 45%, rgba(251,250,246,0.4) 100%);
    pointer-events: none;
  }

  /* ── PARAMS ─────────────────────────────── */
  .param-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: var(--line);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-top: 56px;
  }
  .param-card {
    background: var(--paper);
    padding: 36px 32px;
    display: flex;
    flex-direction: column;
    gap: 14px;
  }
  .param-card .tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--leaf);
  }
  .param-card .tag::before {
    content: '';
    display: block;
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--algae);
    flex-shrink: 0;
  }
  .param-card h3 {
    font-size: 18px;
    font-weight: 500;
    letter-spacing: -0.01em;
    margin: 0;
  }
  .param-card p {
    font-size: 14px;
    color: var(--muted);
    line-height: 1.6;
    margin: 0;
  }

  /* ── USAGE ──────────────────────────────── */
  .usage-list {
    display: flex;
    flex-direction: column;
    gap: 0;
    margin-top: 48px;
    border-top: 1px solid var(--line);
  }
  .usage-item {
    display: grid;
    grid-template-columns: 28px 1fr;
    gap: 24px;
    padding: 28px 0;
    border-bottom: 1px solid var(--line);
    align-items: baseline;
  }
  .usage-item .bullet {
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--algae);
    margin-top: 8px;
    justify-self: center;
  }
  .usage-item p {
    font-size: 16px;
    line-height: 1.6;
    color: var(--ink);
    margin: 0;
  }
  .usage-item p strong {
    font-weight: 600;
  }
  .usage-item p span {
    color: var(--muted);
  }

  /* ── DISCIPLINE ─────────────────────────── */
  .discipline {
    background: var(--ink);
    color: var(--paper);
    padding: 140px var(--gutter);
    position: relative;
    overflow: hidden;
  }
  .discipline::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 90% 10%, rgba(132,212,154,0.1), transparent 55%);
    pointer-events: none;
  }
  .discipline-inner {
    max-width: var(--container);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1.6fr;
    gap: 80px;
    align-items: start;
    position: relative;
  }
  .discipline-inner h2 {
    font-size: clamp(22px, 2.5vw, 36px);
    font-weight: 400;
    letter-spacing: -0.02em;
    line-height: 1.15;
    color: var(--paper);
  }
  .discipline-inner p {
    font-size: 15px;
    line-height: 1.75;
    color: rgba(255,255,255,0.72);
    margin-bottom: 20px;
  }
  .proof-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.3);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 6px;
    padding: 6px 12px;
    margin-top: 8px;
  }

  @media (max-width: 900px) {
    .param-grid { grid-template-columns: 1fr 1fr; }
    .discipline-inner { grid-template-columns: 1fr; gap: 32px; }
  }
  @media (max-width: 600px) {
    .param-grid { grid-template-columns: 1fr; }
  }