.inv-section {
      font-family: 'DM Sans', sans-serif;
      padding: 80px 24px;
      text-align: center;
      position: relative;
      overflow: hidden;
      background: #ffffff;
      color: #1a1a1a;
    }

    /* Eyebrow pill */
    .inv-eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 12px;
      font-weight: 500;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      color: #1a6fda;
      background: #e8f1fd;
      border: 0.5px solid #a8c8f7;
      border-radius: 100px;
      padding: 5px 14px;
      margin-bottom: 20px;
    }

    .inv-eyebrow-dot {
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: #1a6fda;
      animation: inv-pulse-dot 1.8s ease-in-out infinite;
    }

    @keyframes inv-pulse-dot {
      0%, 100% { opacity: 1; transform: scale(1); }
      50%       { opacity: 0.4; transform: scale(0.7); }
    }

    /* Headline */
    .inv-headline {
      font-family: 'Sora', sans-serif;
      font-size: clamp(26px, 5vw, 42px);
      font-weight: 600;
      color: #111111;
      line-height: 1.2;
      margin: 0 auto 14px;
      max-width: 520px;
    }

    .inv-headline span { color: #1a6fda; }

    /* Subheading */
    .inv-sub {
      font-size: 16px;
      color: #6b7280;
      line-height: 1.6;
      max-width: 420px;
      margin: 0 auto 48px;
    }

    /* ── 3-step flow ───────────────────────────────────────────────────── */
    .inv-flow {
      display: flex;
      align-items: center;
      justify-content: center;
      flex-wrap: wrap;
      row-gap: 20px;
      margin-bottom: 48px;
    }

    .inv-step {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 10px;
      width: 140px;
    }

    .inv-icon-wrap {
      width: 64px;
      height: 64px;
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      border: 0.5px solid #e5e7eb;
      background: #ffffff;
    }

    /* Step-specific icon backgrounds */
    .inv-step:nth-child(1) .inv-icon-wrap { background: #e8f1fd; border-color: #a8c8f7; }
    .inv-step:nth-child(3) .inv-icon-wrap { background: #f3f4f6; border-color: #e5e7eb; }
    .inv-step:nth-child(5) .inv-icon-wrap { background: #ecfdf5; border-color: #6ee7b7; }

    .inv-step-label {
      font-size: 13px;
      font-weight: 500;
      color: #111111;
      text-align: center;
      line-height: 1.4;
    }

    .inv-step-sub {
      font-size: 11px;
      color: #9ca3af;
      text-align: center;
    }

    /* Arrow between steps */
    .inv-arrow {
      width: 40px;
      display: flex;
      align-items: center;
      justify-content: center;
      padding-bottom: 34px;
    }

    .inv-arrow svg {
      width: 28px;
      height: 28px;
      opacity: 0.3;
    }

    /* ── Invoice card mockup ───────────────────────────────────────────── */
    .inv-card {
      max-width: 480px;
      margin: 0 auto 48px;
      background: #ffffff;
      border: 0.5px solid #e5e7eb;
      border-radius: 14px;
      overflow: hidden;
      text-align: left;
      box-shadow: 0 2px 16px rgba(0,0,0,0.06);
    }

    .inv-card-header {
      background: #f9fafb;
      padding: 14px 20px;
      display: flex;
      align-items: center;
      gap: 10px;
      border-bottom: 0.5px solid #e5e7eb;
    }

    .inv-dots { display: flex; gap: 5px; }
    .inv-dot  { width: 9px; height: 9px; border-radius: 50%; }
    .inv-dot:nth-child(1) { background: #f28b82; }
    .inv-dot:nth-child(2) { background: #fbcb5a; }
    .inv-dot:nth-child(3) { background: #81c995; }

    .inv-card-subject {
      font-size: 12px;
      color: #6b7280;
      font-family: 'DM Sans', sans-serif;
    }
    .inv-card-subject strong {
      color: #111111;
      font-weight: 500;
    }

    .inv-card-body { padding: 20px; }

    /* Sender row */
    .inv-from-row {
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 12px;
    }

    .inv-avatar {
      width: 34px;
      height: 34px;
      border-radius: 50%;
      background: #e8f1fd;
      border: 0.5px solid #a8c8f7;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 11px;
      font-weight: 500;
      color: #1a6fda;
      flex-shrink: 0;
    }

    .inv-from-info { font-size: 12px; color: #6b7280; line-height: 1.5; }
    .inv-from-info strong {
      color: #111111;
      font-weight: 500;
      display: block;
    }

    .inv-divider {
      height: 0.5px;
      background: #e5e7eb;
      margin: 12px 0;
    }

    /* Amount row */
    .inv-amount-row {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 14px;
    }

    .inv-amount-label { font-size: 13px; color: #6b7280; }
    .inv-amount-val {
      font-family: 'Sora', sans-serif;
      font-size: 22px;
      font-weight: 600;
      color: #111111;
    }

    /* Meta info */
    .inv-meta {
      display: flex;
      gap: 12px;
      margin-bottom: 16px;
      flex-wrap: wrap;
    }

    .inv-meta-item {
      font-size: 12px;
      color: #9ca3af;
      display: flex;
      gap: 4px;
      align-items: center;
    }

    .inv-meta-item span {
      color: #374151;
      font-weight: 500;
    }

    /* Pay button */
    .inv-pay-btn {
      display: block;
      width: 100%;
      padding: 12px;
      background: #1a6fda;
      color: #ffffff;
      border: none;
      border-radius: 8px;
      font-size: 14px;
      font-weight: 500;
      font-family: 'DM Sans', sans-serif;
      cursor: pointer;
      text-align: center;
      position: relative;
      overflow: hidden;
      transition: opacity 0.2s;
    }

    .inv-pay-btn:hover { opacity: 0.9; }

    .inv-shimmer {
      position: absolute;
      top: 0;
      left: -100%;
      width: 60%;
      height: 100%;
      background: linear-gradient(90deg, transparent, rgba(255,255,255,0.25), transparent);
      animation: inv-shimmer 2.2s infinite;
    }

    @keyframes inv-shimmer {
      0%   { left: -100%; }
      100% { left: 180%; }
    }

    /* Secure label */
    .inv-secure {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 5px;
      font-size: 11px;
      color: #9ca3af;
      margin-top: 10px;
    }

    /* Paid pill */
    .inv-paid-pill {
      display: inline-flex;
      align-items: center;
      gap: 5px;
      font-size: 11px;
      font-weight: 500;
      color: #059669;
      background: #ecfdf5;
      border: 0.5px solid #6ee7b7;
      border-radius: 100px;
      padding: 3px 10px;
      margin-left: 8px;
      vertical-align: middle;
    }

    /* ── Trust badges ──────────────────────────────────────────────────── */
    .inv-badge-row {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      flex-wrap: wrap;
    }

    .inv-badge {
      display: flex;
      align-items: center;
      gap: 5px;
      font-size: 12px;
      color: #6b7280;
      background: #f3f4f6;
      border: 0.5px solid #e5e7eb;
      border-radius: 100px;
      padding: 5px 12px;
    }

    .inv-badge svg {
      width: 13px;
      height: 13px;
      opacity: 0.6;
    }

    /* ── Responsive ────────────────────────────────────────────────────── */
    @media (max-width: 480px) {
      .inv-arrow { display: none; }
      .inv-flow  { gap: 20px; }
      .inv-step  { width: 100px; }
    }