:root {
  --bg: #09121f;
  --panel: rgba(17, 35, 56, 0.84);
  --panel-solid: #10233a;
  --text: #f4f8fc;
  --muted: #aab9cb;
  --line: rgba(183, 211, 239, 0.17);
  --blue: #33a9e8;
  --blue-dark: #167abf;
  --green: #64d99a;
  --radius: 22px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }

body {
  min-width: 320px;
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 10% 8%, rgba(34, 126, 201, 0.25), transparent 27rem),
    radial-gradient(circle at 90% 90%, rgba(50, 169, 232, 0.15), transparent 26rem),
    var(--bg);
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image: linear-gradient(rgba(151, 197, 233, 0.035) 1px, transparent 1px), linear-gradient(90deg, rgba(151, 197, 233, 0.035) 1px, transparent 1px);
  background-size: 38px 38px;
  content: "";
  mask-image: linear-gradient(to bottom, black, transparent 70%);
}

.page { width: min(100% - 28px, 520px); margin: 0 auto; padding: 20px 0 54px; }
.brand { display: inline-flex; align-items: center; gap: 9px; color: #e6f4ff; font-size: 16px; font-weight: 800; letter-spacing: -0.02em; }
.brand__mark { display: grid; width: 28px; height: 28px; place-items: center; border-radius: 9px; background: var(--blue); color: white; font-size: 16px; transform: rotate(-10deg); }
.hero__grid { display: grid; grid-template-columns: 1fr; gap: 38px; padding: 58px 0 40px; }
.eyebrow { display: flex; align-items: center; gap: 9px; margin: 0 0 17px; color: #77cbfa; font-size: 12px; font-weight: 800; letter-spacing: 0.12em; text-transform: uppercase; }
.eyebrow span { width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 5px rgba(100, 217, 154, 0.14); }
h1, h2, p { margin-top: 0; }
h1 { max-width: 500px; margin-bottom: 22px; font-size: clamp(43px, 12vw, 61px); line-height: 1.05; letter-spacing: -0.062em; }
h1 em { color: #50bdf3; font-style: normal; }
.lead { max-width: 565px; margin-bottom: 34px; color: var(--muted); font-size: 18px; line-height: 1.75; }
.benefits { display: grid; gap: 14px; max-width: 490px; margin: 0; padding: 0; list-style: none; }
.benefits li { position: relative; display: grid; grid-template-columns: 112px 1fr; gap: 16px; align-items: center; padding: 14px 0 14px 23px; border-bottom: 1px solid var(--line); }
.benefits li::before { position: absolute; left: 0; width: 8px; height: 8px; border: 2px solid var(--blue); border-radius: 50%; content: ""; }
.benefits strong { font-size: 15px; }
.benefits span { color: var(--muted); font-size: 14px; }

.form-card, .progress-card, .success-card { border: 1px solid var(--line); border-radius: var(--radius); background: linear-gradient(145deg, rgba(23, 49, 77, 0.92), rgba(11, 26, 43, 0.94)); box-shadow: 0 24px 80px rgba(0, 0, 0, 0.27); }
.form-card { padding: 25px 20px; }
.form-card__top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 24px; }
.form-card__tag { padding: 7px 11px; border-radius: 999px; background: rgba(51, 169, 232, 0.14); color: #72ccfa; font-size: 12px; font-weight: 800; }
.form-card__count { color: #7e91a7; font-size: 13px; }
.form-card h2 { margin-bottom: 8px; font-size: 27px; letter-spacing: -0.04em; }
.form-card > p { margin-bottom: 26px; color: var(--muted); font-size: 14px; }
fieldset { margin: 0 0 21px; padding: 0; border: 0; }
legend { margin-bottom: 11px; font-size: 14px; font-weight: 700; }
.option-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.option-grid--two { grid-template-columns: repeat(2, 1fr); }
.option { position: relative; display: block; cursor: pointer; }
.option input { position: absolute; opacity: 0; }
.option span { display: grid; min-height: 45px; place-items: center; padding: 6px; border: 1px solid var(--line); border-radius: 11px; color: #c4d1df; background: rgba(255,255,255,0.025); font-size: 13px; font-weight: 700; transition: 0.2s ease; }
.option input:checked + span { border-color: #48bdf5; background: rgba(51, 169, 232, 0.16); color: #e9f8ff; box-shadow: inset 0 0 0 1px rgba(92, 201, 249, 0.34); }
.option span:hover { border-color: rgba(98, 195, 239, 0.7); }
.form-error { min-height: 19px; margin: -7px 0 8px; color: #ffb3b3; font-size: 13px; }
.button { min-height: 53px; padding: 0 22px; border: 0; border-radius: 12px; color: white; font: inherit; font-size: 15px; font-weight: 800; cursor: pointer; transition: transform .18s ease, box-shadow .18s ease; }
.button:hover { transform: translateY(-2px); box-shadow: 0 12px 25px rgba(24, 145, 214, 0.28); }
.button--primary { background: linear-gradient(135deg, #3cb8ef, #167cc3); }
.button--wide { width: 100%; display: flex; align-items: center; justify-content: center; gap: 12px; }
.button span { font-size: 20px; line-height: 1; }
.form-note { margin: 14px 0 0; color: #8194aa; font-size: 12px; text-align: center; }

.progress-card, .success-card { width: 100%; margin: 42px auto 0; padding: 34px 22px; text-align: center; }
.progress-card__icon, .success-card__icon { display: grid; width: 62px; height: 62px; margin: 0 auto 21px; place-items: center; border-radius: 50%; background: rgba(70, 187, 243, 0.13); color: #63c9f5; font-size: 30px; }
.progress-card__icon { border: 1px solid rgba(99, 201, 245, 0.25); }
.progress-card__icon span { animation: pulse 1.35s infinite ease-in-out; }
.eyebrow--center { justify-content: center; }
.progress-card h2, .success-card h2 { margin-bottom: 10px; font-size: 28px; letter-spacing: -0.04em; }
.progress-description, .success-card > p { color: var(--muted); line-height: 1.65; }
.progress-track { height: 9px; margin: 28px 0 24px; overflow: hidden; border-radius: 99px; background: rgba(255, 255, 255, 0.09); }
.progress-track span { display: block; width: 0; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--blue-dark), #55c5f7); transition: width .08s linear; }
.progress-steps { display: grid; gap: 13px; text-align: left; }
.progress-steps p { display: flex; align-items: center; gap: 11px; margin: 0; color: #778ba2; font-size: 14px; transition: color .2s; }
.progress-steps b { display: grid; width: 22px; height: 22px; place-items: center; border-radius: 50%; background: rgba(255,255,255,.08); font-size: 11px; }
.progress-steps p.is-active { color: #dbeefa; }
.progress-steps p.is-active b { background: var(--blue); color: white; }
.progress-time { margin: 25px 0 0; color: #72869c; font-size: 12px; }
.success-card { margin-top: 13vh; }
.success-card__icon { background: rgba(100, 217, 154, .15); color: var(--green); font-weight: 900; }
.success-card > p { margin-bottom: 26px; }
.is-hidden { display: none; }

@keyframes pulse { 50% { transform: scale(1.15); opacity: .56; } }

.benefits li { grid-template-columns: 104px 1fr; }

@media (max-width: 390px) {
  .option-grid { grid-template-columns: 1fr; }
  .benefits li { grid-template-columns: 1fr; gap: 5px; }
}