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Payment Form Pattern

The single payment form is the most common MetrePay pattern. It uses a blue hero header and a centered white card with a clean form layout.

Structure

┌─────────────────────────────────────┐
│  Page background (#F1F1F1)          │
│                                     │
│  ┌─────────────────────────────┐    │
│  │  Blue hero header           │    │
│  │  Merchant name + amount     │    │
│  ├─────────────────────────────┤    │
│  │  White form body            │    │
│  │                             │    │
│  │  [Step indicator]           │    │
│  │  [Form fields]              │    │
│  │  [Error alert]              │    │
│  │  [Submit button]            │    │
│  │                             │    │
│  │  [MetrePay footer]          │    │
│  └─────────────────────────────┘    │
│                                     │
└─────────────────────────────────────┘

Live Preview

Acme Corp

Monthly Invoice

$150.00

STEP 1 OF 2

Your information

Powered by MetrePay · Secure payment

Full HTML Implementation

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Payment — Acme Corp</title>
  <link href="https://fonts.googleapis.com/css2?family=Cabin:wght@400;600;700&display=swap" rel="stylesheet">
  <style>
    * { box-sizing: border-box; margin: 0; padding: 0; }
    body {
      font-family: 'Cabin', sans-serif;
      background: #F1F1F1;
      min-height: 100vh;
      display: flex;
      align-items: center;
      justify-content: center;
      padding: 20px;
    }

    .checkout-card {
      width: 100%;
      max-width: 480px;
      border-radius: 20px;
      overflow: hidden;
      box-shadow: 0px 10px 16px rgba(0, 14, 45, 0.1);
    }

    /* Hero */
    .checkout-hero {
      background: #6E96FF;
      padding: 24px 32px;
      color: white;
    }
    .checkout-hero__merchant { font-size: 13px; opacity: 0.8; margin-bottom: 4px; }
    .checkout-hero__title    { font-size: 22px; font-weight: 700; margin-bottom: 4px; }
    .checkout-hero__amount   { font-size: 28px; font-weight: 700; }

    /* Form body */
    .checkout-body { background: white; padding: 28px 32px; }

    /* Step indicator */
    .step-label {
      font-size: 12px;
      font-weight: 600;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      color: #6E96FF;
      display: block;
      margin-bottom: 4px;
    }
    .step-title {
      font-size: 20px;
      font-weight: 700;
      color: #333;
      margin-bottom: 20px;
    }

    /* Fields */
    .field { margin-bottom: 16px; }
    .label {
      display: block;
      font-size: 14px;
      font-weight: 600;
      color: #333;
      margin-bottom: 6px;
    }
    .input {
      width: 100%;
      height: 42px;
      padding: 0 14px;
      border: 1.5px solid #92A3C8;
      border-radius: 8px;
      font-family: 'Cabin', sans-serif;
      font-size: 15px;
      color: #555;
    }
    .input:focus {
      outline: none;
      border-color: #6E96FF;
      box-shadow: 0 0 0 3px rgba(110, 150, 255, 0.15);
    }

    /* Error alert */
    .alert-error {
      padding: 12px 16px;
      border-radius: 4px;
      border: 1px solid rgba(220, 53, 69, 1);
      background: rgba(248, 215, 218, 1);
      color: rgba(114, 28, 36, 1);
      font-size: 14px;
      margin-bottom: 16px;
      display: none;
    }

    /* Submit */
    .btn-submit {
      width: 100%;
      height: 42px;
      background: #6E96FF;
      color: white;
      border: none;
      border-radius: 8px;
      font-family: 'Cabin', sans-serif;
      font-size: 15px;
      font-weight: 600;
      cursor: pointer;
      transition: background 0.3s ease;
      margin-top: 4px;
    }
    .btn-submit:hover { background: #6687DC; }

    /* Footer */
    .checkout-footer {
      text-align: center;
      font-size: 12px;
      color: #999;
      margin-top: 16px;
    }
  </style>
</head>
<body>
  <div class="checkout-card">

    <!-- Hero -->
    <div class="checkout-hero">
      <p class="checkout-hero__merchant">Acme Corp</p>
      <p class="checkout-hero__title">Monthly Invoice</p>
      <p class="checkout-hero__amount">$150.00</p>
    </div>

    <!-- Form -->
    <div class="checkout-body">
      <span class="step-label">STEP 1 OF 2</span>
      <h2 class="step-title">Your information</h2>

      <!-- Error alert (shown on validation failure) -->
      <div class="alert-error" id="error-alert">
        ⚠️ Please check your information and try again.
      </div>

      <div class="field">
        <label class="label" for="name">Full name</label>
        <input class="input" id="name" type="text" placeholder="John Smith" required>
      </div>

      <div class="field">
        <label class="label" for="email">Email</label>
        <input class="input" id="email" type="email" placeholder="john@example.com" required>
      </div>

      <div class="field" style="margin-bottom:20px;">
        <label class="label" for="doc">Document number</label>
        <input class="input" id="doc" type="text" placeholder="12345678" required>
      </div>

      <button class="btn-submit" type="button">Continue →</button>

      <p class="checkout-footer">Powered by MetrePay · Secure payment</p>
    </div>

  </div>
</body>
</html>

Key Decisions

Decision Value Reason
Hero color #6E96FF (blue) Single payment context
Card radius 20px Main form card uses --mp-radius-2xl
Card shadow --mp-shadow-form Most prominent element on page
Max width 480px Narrow enough to feel focused
Step label Uppercase, blue, 12px Stripe-inspired step indicator
Submit button Full width, blue Primary action, maximum visibility