*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    :root {
      --navy:          #1a1c3e;
      --purple:        #7c3aed;
      --purple-light:  rgba(124,58,237,.08);
      --purple-border: rgba(124,58,237,.3);
      --green:         #16a34a;
      --yellow:        #fde047;
      --bg:            #f9fafb;
      --card:          #ffffff;
      --border:        #e5e7f0;
      --muted:         #6b7280;
      --text:          #111827;
      --radius:        0.75rem;
    }
    html { font-size: 16px; }
    body {
      font-family: "Plus Jakarta Sans", system-ui, sans-serif;
      background: var(--bg);
      color: var(--text);
      -webkit-font-smoothing: antialiased;
      min-height: 100vh;
    }
    h1,h2,h3 { letter-spacing: -0.02em; }
    button { font-family: inherit; cursor: pointer; border: none; background: none; }
    input { font-family: inherit; }
    a { text-decoration: none; color: inherit; }

    /* ===== HEADER ===== */
    .site-header {
      position: sticky; top: 0; z-index: 100;
      background: var(--navy);
      border-bottom: 1px solid rgba(255,255,255,.1);
    }
    .header-inner {
      max-width: 1280px; margin: 0 auto;
      padding: 0 1.5rem;
      height: 64px;
      display: flex; align-items: center; justify-content: space-between;
    }
    .logo-link { display: flex; align-items: center; gap: .6rem; }
    .logo-badge {
      width: 36px; height: 36px; border-radius: 50%;
      background: linear-gradient(135deg,#7c3aed,#16a34a);
      display: grid; place-items: center;
      color: #fff; font-weight: 800; font-size: .9rem; flex-shrink: 0;
    }
    .logo-name { font-size: .875rem; font-weight: 800; letter-spacing: .05em; color: #fff; line-height: 1.1; }
    .logo-sub  { font-size: .6rem; text-transform: uppercase; letter-spacing: .2em; color: rgba(255,255,255,.55); }
    .btn-book-nav {
      background: var(--yellow); color: var(--navy);
      font-size: .875rem; font-weight: 700; padding: .4rem 1rem;
      border-radius: .4rem; transition: filter .15s;
    }
    .btn-book-nav:hover { filter: brightness(.92); }
	

    /* ===== SANDBOX BANNER ===== */
   .sandbox-banner {
    display: flex;
    align-items: center;
    gap: .5rem;
    padding: .6rem 0 22px;
    font-size: .8rem;
    color: var(--green);
    font-weight: 500;
    max-width: 1280px;
    margin: 0 auto;
}
    .sandbox-banner svg { width: 16px; height: 16px; flex-shrink: 0; }

    /* ===== PAGE LAYOUT ===== */
    .page-container {
      max-width: 900px; margin: 0 auto;
      padding: 1rem 1.5rem 5rem;
    }
    .payment-grid {
      display: grid;
      gap: 1.5rem;
      grid-template-columns: 1fr;
    }
    @media (min-width: 720px) {
      .payment-grid {
        grid-template-columns: 1fr 1fr;
        align-items: start;
      }
    }

    /* ===== PAYMENT CARD ===== */
    .pay-card {
      background: var(--card);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 2rem;
    }
    .pay-title { font-size: 1.6rem; font-weight: 800; margin-bottom: .2rem; }
    .pay-ref   { font-size: .875rem; color: var(--muted); margin-bottom: 1.5rem; }
    .pay-ref strong { color: var(--text); font-weight: 700; }

    /* ===== PAYMENT METHOD TABS ===== */
    .method-tabs {
      display: grid; grid-template-columns: 1fr 1fr;
      border: 1px solid var(--border); border-radius: .5rem;
      overflow: hidden; margin-bottom: 1.75rem;
    }
    .method-tab {
      display: flex; align-items: center; justify-content: center; gap: .5rem;
      padding: .7rem 1rem;
      font-size: .9rem; font-weight: 700;
      background: var(--card); color: var(--muted);
      border: none; cursor: pointer;
      transition: background .15s, color .15s;
    }
    .method-tab.active {
      background: var(--purple-light);
      color: var(--purple);
      border: 1.5px solid var(--purple-border);
      border-radius: .45rem;
    }
    .method-tab svg { width: 18px; height: 18px; }
    .method-tab:not(.active):hover { background: #f4f4f9; }

    /* ===== FORM FIELDS ===== */
    .field-group { display: flex; flex-direction: column; gap: 1rem; }
    .field { display: flex; flex-direction: column; gap: .3rem; }
    .field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
    .field-label {
      font-size: .7rem; font-weight: 700;
      letter-spacing: .1em; text-transform: uppercase;
      color: var(--text);
    }
    .field-input {
      border: 1px solid var(--border); border-radius: .5rem;
      padding: .65rem .85rem;
      font-size: .9rem; font-weight: 500;
      outline: none; color: var(--text);
      transition: border-color .15s, box-shadow .15s;
      background: var(--card);
    }
    .field-input::placeholder { color: #adb5bd; font-weight: 400; }
    .field-input:focus {
      border-color: var(--purple);
      box-shadow: 0 0 0 3px rgba(124,58,237,.12);
    }

    /* ===== PAY BUTTON ===== */
    .btn-pay {
      width: 100%; margin-top: 1.5rem;
      background: var(--navy); color: #fff;
      font-size: 1rem; font-weight: 700;
      padding: .875rem 1rem;
      border-radius: .5rem;
      display: flex; align-items: center; justify-content: center; gap: .5rem;
      transition: opacity .15s;
    }
    .btn-pay:hover { opacity: .88; }
    .btn-pay svg { width: 18px; height: 18px; }

    .cancel-link {
      display: block; text-align: center;
      margin-top: .85rem;
      font-size: .8rem; color: var(--muted);
      cursor: pointer; transition: color .15s;
    }
    .cancel-link:hover { color: var(--text); }

    /* PayPal panel */
    .paypal-panel {
      display: none;
      border: 1px solid var(--border); border-radius: .5rem;
      padding: 2rem; text-align: center;
    }
    .paypal-panel.visible { display: block; }
    .paypal-logo {
      font-size: 1.4rem; font-weight: 800; letter-spacing: -.02em;
      margin-bottom: .75rem;
    }
    .paypal-logo span:first-child { color: #003087; }
    .paypal-logo span:last-child  { color: #009cde; }
    .paypal-panel p { font-size: .875rem; color: var(--muted); margin-bottom: 1.25rem; }
    .btn-paypal {
      width: 100%; padding: .875rem;
      background: #ffc439; color: #111;
      font-size: 1rem; font-weight: 800;
      border-radius: .5rem;
      transition: filter .15s;
    }
    .btn-paypal:hover { filter: brightness(.95); }

    /* ===== ORDER SUMMARY ===== */
    .order-card {
      background: var(--card);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 1.75rem;
    }
    @media (min-width: 720px) { .order-card { position: sticky; top: 50px; } }
    .order-label {
      font-size: .7rem; font-weight: 700;
      letter-spacing: .12em; text-transform: uppercase;
      color: var(--muted); margin-bottom: 1.25rem;
    }
    .order-rows { display: flex; flex-direction: column; gap: .65rem; }
    .order-row {
      display: flex; justify-content: space-between; align-items: baseline;
      font-size: .875rem;
    }
    .order-row-key { color: var(--muted); }
    .order-row-val { font-weight: 700; color: var(--text); }
    .order-divider {
      border: none; border-top: 1px solid var(--border);
      margin: 1.25rem 0;
    }
    .order-total-row {
      display: flex; justify-content: space-between; align-items: baseline;
    }
    .order-total-key { font-size: .9rem; color: var(--muted); }
    .order-total-val { font-size: 2rem; font-weight: 800; color: var(--purple); }
    .order-test-note {
      margin-top: .85rem;
      font-size: .75rem; color: var(--muted); line-height: 1.5;
    }
    .order-test-note strong { font-weight: 700; }

    /* ===== FOOTER ===== */
    .site-footer { margin-top: 6rem; background: var(--navy); color: rgba(255,255,255,.8); }
    .footer-grid {
      max-width: 1280px; margin: 0 auto; padding: 3.5rem 1.5rem;
      display: grid; gap: 2rem; grid-template-columns: repeat(3, 1fr);
    }
    @media (max-width: 768px) { .footer-grid { grid-template-columns: 1fr; } }
    .footer-col h3 { color: #fff; font-size: .95rem; font-weight: 700; margin-bottom: .65rem; }
    .footer-col p  { font-size: .875rem; color: rgba(255,255,255,.65); margin-bottom: .25rem; line-height: 1.6; }
    .footer-copy-outer { background: var(--navy); }
    .footer-copy {
      border-top: 1px solid rgba(255,255,255,.1);
      text-align: center; padding: 1.25rem;
      font-size: .75rem; color: rgba(255,255,255,.4);
      max-width: 1280px; margin: 0 auto;
    }