/* ── Circle z-index fix ── */
    .circled-wrapper { isolation: auto; }
    .product-hero__headline,
    .cascade__headline,
    .closing-cta__headline { position: relative; z-index: 0; }

    /* ── Product hero — split layout ── */
    .product-hero {
      min-height: 100vh;
      display: flex;
      align-items: center;
      padding: clamp(120px, 14vw, 180px) 0 clamp(64px, 8vw, 100px);
      position: relative;
      overflow: hidden;
    }
    .product-hero__inner {
      display: grid;
      grid-template-columns: 1fr 1.1fr;
      gap: clamp(48px, 6vw, 80px);
      align-items: center;
    }
    .product-hero__eyebrow {
      font-family: 'NeueHaasDisplay', sans-serif;
      font-weight: 500;
      font-size: 12px;
      text-transform: uppercase;
      letter-spacing: 0.14em;
      color: var(--seg-payments);
      margin-bottom: 24px;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .product-hero__headline {
      font-family: 'NeueHaasDisplay', sans-serif;
      font-weight: 900;
      font-size: clamp(34px, 4.2vw, 58px);
      letter-spacing: -0.02em;
      line-height: 1.05;
      color: var(--text-primary);
      text-transform: uppercase;
      margin-bottom: 28px;
    }
    .product-hero__body {
      font-family: 'NeueHaasDisplay', sans-serif;
      font-weight: 300;
      font-size: clamp(16px, 1.25vw, 19px);
      color: var(--text-body);
      line-height: 1.7;
      margin-bottom: 16px;
    }
    .product-hero__ctas {
      display: flex;
      align-items: center;
      gap: 20px;
      flex-wrap: wrap;
      margin-top: 40px;
    }

    /* ── Cascade section — numbered process flow ── */
    .cascade {
      position: relative;
      overflow: hidden;
    }
    .cascade__header {
      text-align: center;
      margin-bottom: clamp(48px, 6vw, 72px);
    }
    .cascade__eyebrow {
      font-family: 'NeueHaasDisplay', sans-serif;
      font-weight: 500;
      font-size: 12px;
      text-transform: uppercase;
      letter-spacing: 0.14em;
      color: var(--seg-payments);
      margin-bottom: 20px;
      display: inline-flex;
      align-items: center;
      gap: 10px;
    }
    .cascade__headline {
      font-family: 'NeueHaasDisplay', sans-serif;
      font-weight: 900;
      font-size: clamp(28px, 3.5vw, 48px);
      letter-spacing: -0.02em;
      line-height: 1.08;
      color: var(--text-primary);
      text-transform: uppercase;
      max-width: 780px;
      margin: 0 auto;
    }
    .cascade__intro {
      font-family: 'NeueHaasDisplay', sans-serif;
      font-weight: 300;
      font-size: clamp(16px, 1.2vw, 19px);
      color: var(--text-body);
      line-height: 1.7;
      text-align: center;
      max-width: 680px;
      margin: 20px auto 0;
    }

    /* Process stages */
    .cascade__stages {
      max-width: 920px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 0;
      position: relative;
    }
    .cascade__stages::before {
      content: '';
      position: absolute;
      left: 39px;
      top: 0;
      bottom: 0;
      width: 2px;
      background: linear-gradient(
        to bottom,
        transparent 0%,
        rgba(130,204,154,0.2) 8%,
        rgba(130,204,154,0.2) 92%,
        transparent 100%
      );
    }

    .cascade__stage {
      display: grid;
      grid-template-columns: 80px 1fr;
      gap: 0;
      position: relative;
    }

    .cascade__stage-num {
      display: flex;
      align-items: flex-start;
      justify-content: center;
      padding-top: 32px;
    }
    .cascade__stage-num span {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: rgba(130,204,154,0.08);
      border: 1.5px solid rgba(130,204,154,0.25);
      display: flex;
      align-items: center;
      justify-content: center;
      font-family: 'NeueHaasDisplay', sans-serif;
      font-weight: 900;
      font-size: 15px;
      color: var(--seg-payments);
      position: relative;
      z-index: 1;
    }

    .cascade__stage-content {
      background: rgba(255,255,255,0.03);
      border: 1px solid rgba(255,255,255,0.06);
      border-radius: 16px;
      padding: clamp(28px, 3vw, 36px) clamp(24px, 3vw, 36px);
      margin-bottom: 16px;
      transition: border-color 0.3s ease, transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .cascade__stage-content:hover {
      border-color: rgba(255,255,255,0.1);
      transform: translateX(4px);
    }

    .cascade__stage-title {
      font-family: 'NeueHaasDisplay', sans-serif;
      font-weight: 900;
      font-size: clamp(20px, 1.8vw, 28px);
      letter-spacing: -0.02em;
      color: var(--text-primary);
      text-transform: uppercase;
      margin-bottom: 14px;
      line-height: 1.15;
    }
    .cascade__stage-text {
      font-family: 'NeueHaasDisplay', sans-serif;
      font-weight: 300;
      font-size: clamp(15px, 1.1vw, 17px);
      color: var(--text-body);
      line-height: 1.7;
    }
    .cascade__stage-text strong {
      font-weight: 600;
      color: var(--text-primary);
    }

    /* Final stage — success glow */
    .cascade__stage--success .cascade__stage-num span {
      background: var(--seg-payments);
      border-color: var(--seg-payments);
      color: #050505;
      box-shadow: 0 0 20px rgba(130,204,154,0.35);
    }
    .cascade__stage--success .cascade__stage-content {
      border-color: rgba(130,204,154,0.15);
    }

    /* ── Closing CTA ── */
    .closing-cta {
      height: auto;
      min-height: 0;
      text-align: center;
      position: relative;
      overflow: hidden;
    }
    .closing-cta__eyebrow {
      font-family: 'NeueHaasDisplay', sans-serif;
      font-weight: 500;
      font-size: 12px;
      text-transform: uppercase;
      letter-spacing: 0.14em;
      color: var(--seg-payments);
      margin-bottom: 24px;
      display: inline-flex;
      align-items: center;
      gap: 10px;
    }
    .closing-cta__headline {
      font-family: 'NeueHaasDisplay', sans-serif;
      font-weight: 900;
      font-size: clamp(32px, 4.5vw, 60px);
      letter-spacing: -0.02em;
      line-height: 1.05;
      color: var(--text-primary);
      text-transform: uppercase;
      max-width: 780px;
      margin: 0 auto 28px;
    }
    .closing-cta__body {
      font-family: 'NeueHaasDisplay', sans-serif;
      font-weight: 300;
      font-size: clamp(16px, 1.25vw, 19px);
      color: var(--text-body);
      line-height: 1.7;
      max-width: 600px;
      margin: 0 auto 16px;
    }
    .closing-cta__actions {
      margin-top: 44px;
      display: flex;
      justify-content: center;
      gap: 20px;
      flex-wrap: wrap;
    }

    /* ── Responsive ── */
    @media (max-width: 900px) {
      .product-hero__inner {
        grid-template-columns: 1fr;
      }
      .cascade__stage {
        grid-template-columns: 60px 1fr;
      }
      .cascade__stages::before {
        left: 29px;
      }
    }
    @media (max-width: 480px) {
      .product-hero__headline {
        font-size: clamp(28px, 8vw, 40px);
      }
      .cascade__headline {
        font-size: clamp(24px, 7vw, 36px);
      }
      .closing-cta__headline {
        font-size: clamp(26px, 7vw, 36px);
      }
      .cascade__stage {
        grid-template-columns: 48px 1fr;
      }
      .cascade__stages::before {
        left: 23px;
      }
      .cascade__stage-num span {
        width: 32px;
        height: 32px;
        font-size: 13px;
      }
      .cascade__stage-content {
        padding: 20px;
      }
    }