:root {
    --bg: #05060c;
    --bg-2: #0a0c16;
    --panel: #0c0e1a;
    --ink: #eef1fb;
    --muted: #9aa3c4;
    --faint: #6b7398;
    --line: rgba(255,255,255,0.08);
    --blue: #5b8cff;
    --violet: #a86bff;
    --cyan: #36e6e0;
    --green: #3ddc97;
    --red: #ff6b81;
    --grad: linear-gradient(110deg, #5b8cff 0%, #a86bff 50%, #36e6e0 100%);
  }
  * { margin:0; padding:0; box-sizing:border-box; }
  body {
    font-family: 'Space Grotesk', system-ui, sans-serif;
    background:
      radial-gradient(900px 520px at 82% -8%, rgba(91,140,255,0.14), transparent 60%),
      radial-gradient(760px 520px at -5% 5%, rgba(168,107,255,0.12), transparent 58%),
      var(--bg);
    color: var(--ink);
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
    line-height: 1.55;
  }
  a { color: inherit; text-decoration: none; }
  .grad-text { background: var(--grad); -webkit-background-clip:text; background-clip:text; -webkit-text-fill-color:transparent; color:transparent; }
  .wrap { max-width: 1080px; margin: 0 auto; padding: 0 24px; }

  header { padding: 22px 0; }
  .logo { display:inline-flex; align-items:center; gap:10px; font-weight:700; font-size:19px; }
  .logo-mark { width:27px; height:27px; border-radius:7px; background:var(--grad); position:relative; box-shadow:0 0 16px rgba(120,120,255,0.5); }
  .logo-mark::after { content:""; position:absolute; inset:5px; border:2px solid rgba(6,8,16,0.85); border-radius:3px; }

  .grid { display:grid; grid-template-columns: 0.85fr 1.15fr; gap: 36px; align-items:start; padding: 18px 0 70px; }

  /* Left summary */
  .aside .eyebrow { display:inline-flex; align-items:center; gap:8px; font-size:12px; font-weight:600; letter-spacing:.14em; text-transform:uppercase; color:var(--muted); border:1px solid var(--line); padding:6px 13px; border-radius:100px; }
  .aside .eyebrow .dot { width:7px; height:7px; border-radius:50%; background:var(--cyan); box-shadow:0 0 10px var(--cyan); }
  .aside h1 { font-size: clamp(30px, 4vw, 44px); font-weight:700; letter-spacing:-0.02em; margin:18px 0 14px; line-height:1.05; }
  .aside p.lead { color:var(--muted); font-size:16px; margin-bottom:26px; }
  .plan-card { border:1px solid var(--line); border-radius:16px; background:var(--panel); padding:22px; }
  .plan-card .price { font-size:30px; font-weight:700; }
  .plan-card .price small { font-size:14px; color:var(--faint); font-weight:500; }
  .plan-card .pname { font-size:13px; color:var(--cyan); margin-top:2px; min-height:18px; }
  .plan-card ul { list-style:none; display:grid; gap:11px; margin-top:18px; }
  .plan-card li { font-size:13.5px; color:var(--ink); display:flex; gap:9px; }
  .plan-card li::before { content:"✓"; color:var(--green); font-weight:700; }
  .trust { margin-top:18px; font-size:12.5px; color:var(--faint); }

  /* Form card */
  .form-card { border:1px solid var(--line); border-radius:20px; background:var(--panel); padding:30px; }
  .form-card h2 { font-size:21px; font-weight:600; margin-bottom:6px; }
  .form-card .sub { color:var(--faint); font-size:13.5px; margin-bottom:24px; }
  .field { margin-bottom:18px; }
  .field label { display:block; font-size:13px; font-weight:600; color:var(--muted); margin-bottom:7px; }
  .field label .req { color:var(--violet); }
  .field input, .field select, .field textarea {
    width:100%; background:var(--bg-2); border:1px solid var(--line); border-radius:11px;
    color:var(--ink); font-family:'Space Grotesk'; font-size:14.5px; padding:12px 14px; outline:none;
    transition:border-color .2s, box-shadow .2s;
  }
  .field input::placeholder, .field textarea::placeholder { color:var(--faint); }
  .field input:focus, .field select:focus, .field textarea:focus { border-color:rgba(91,140,255,0.6); box-shadow:0 0 0 3px rgba(91,140,255,0.14); }
  .field textarea { resize:vertical; min-height:84px; }
  .field select { appearance:none; -webkit-appearance:none; background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%236b7398' d='M1 1l5 5 5-5'/%3E%3C/svg%3E"); background-repeat:no-repeat; background-position:right 14px center; padding-right:34px; }
  .row2 { display:grid; grid-template-columns:1fr 1fr; gap:14px; }
  .field .err { color:var(--red); font-size:12px; margin-top:6px; display:none; }
  .field.invalid input, .field.invalid select { border-color:rgba(255,107,129,0.6); }
  .field.invalid .err { display:block; }

  /* Service segmented control */
  .seg { display:grid; grid-template-columns:1fr 1fr; gap:10px; }
  .seg label {
    cursor:pointer; border:1px solid var(--line); border-radius:12px; padding:14px; background:var(--bg-2);
    display:flex; flex-direction:column; gap:3px; transition:border-color .2s, background .2s; margin:0;
  }
  .seg label .t { font-size:14.5px; font-weight:600; color:var(--ink); }
  .seg label .d { font-size:12px; color:var(--faint); font-weight:400; }
  .seg input { position:absolute; opacity:0; pointer-events:none; }
  .seg label.sel { border-color:rgba(91,140,255,0.65); background:rgba(91,140,255,0.12); box-shadow:0 0 0 3px rgba(91,140,255,0.1); }

  .btn { display:inline-flex; align-items:center; justify-content:center; gap:8px; font-family:'Space Grotesk'; font-weight:600; font-size:15px; padding:14px 24px; border-radius:12px; cursor:pointer; border:1px solid transparent; transition:transform .2s, box-shadow .2s; width:100%; }
  .btn-primary { background:var(--grad); color:#06080f; box-shadow:0 8px 28px rgba(91,140,255,0.34); }
  .btn-primary:hover { transform:translateY(-2px); box-shadow:0 12px 40px rgba(120,120,255,0.5); }
  .btn[disabled] { opacity:.6; cursor:default; transform:none; }
  .form-foot { font-size:12px; color:var(--faint); text-align:center; margin-top:14px; }

  /* Success / fallback panel */
  .done { display:none; text-align:center; padding:14px 6px; }
  .done .mark { width:64px; height:64px; border-radius:50%; background:var(--grad); display:grid; place-items:center; margin:0 auto 18px; font-size:30px; color:#06080f; box-shadow:0 0 40px rgba(91,140,255,0.5); }
  .done h2 { font-size:23px; font-weight:700; margin-bottom:10px; }
  .done p { color:var(--muted); font-size:14.5px; max-width:420px; margin:0 auto 18px; }
  .summary { text-align:left; border:1px solid var(--line); border-radius:14px; background:var(--bg-2); padding:18px; margin:0 auto 18px; max-width:440px; }
  .summary .r { display:flex; justify-content:space-between; gap:12px; padding:7px 0; border-bottom:1px solid rgba(255,255,255,0.05); font-size:13.5px; }
  .summary .r:last-child { border-bottom:0; }
  .summary .r .k { color:var(--faint); }
  .summary .r .v { color:var(--ink); font-weight:500; text-align:right; }
  .note { font-size:12.5px; color:var(--faint); background:rgba(255,206,92,0.07); border:1px solid rgba(255,206,92,0.25); border-radius:10px; padding:12px 14px; max-width:440px; margin:0 auto; }

  @media (max-width: 820px) {
    .grid { grid-template-columns:1fr; gap:24px; }
    .row2 { grid-template-columns:1fr; }
  }