.purchase-page {
  min-height: calc(100vh - 76px);
  padding: 132px 0 96px;
  background:
    radial-gradient(circle at 50% 12%, rgba(37, 99, 235, 0.1), transparent 34%),
    #f8fbff;
}

.purchase-shell {
  width: min(100%, 760px);
  margin: 0 auto;
}

.purchase-card {
  position: relative;
  overflow: hidden;
  padding: 44px;
  border: 1px solid #e2e8f0;
  border-radius: 32px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 30px 90px rgba(15, 23, 42, 0.08);
}

.purchase-card::before {
  content: "";
  position: absolute;
  inset: -120px 24% auto;
  height: 180px;
  border-radius: 999px;
  background: rgba(37, 99, 235, 0.08);
  filter: blur(42px);
  pointer-events: none;
}

.purchase-kicker {
  display: inline-flex;
  position: relative;
  z-index: 1;
  margin-bottom: 18px;
  padding: 9px 14px;
  border-radius: var(--radius-full);
  background: rgba(37, 99, 235, 0.08);
  color: var(--blue);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.purchase-card h1 {
  position: relative;
  z-index: 1;
  max-width: 620px;
  color: var(--navy);
  font-size: clamp(36px, 4.4vw, 56px);
  line-height: 1.03;
  letter-spacing: -0.05em;
  font-weight: 800;
}

.purchase-intro {
  position: relative;
  z-index: 1;
  max-width: 610px;
  margin-top: 18px;
  color: #64748b;
  font-size: 17px;
  line-height: 1.75;
  font-weight: 700;
}

.purchase-summary {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-top: 28px;
  padding: 20px;
  border: 1px solid #e2e8f0;
  border-radius: 24px;
  background: #f8fbff;
}

.purchase-summary > div > span,
.purchase-summary strong {
  display: block;
}

.purchase-summary > div > span {
  color: #64748b;
  font-size: 13px;
  font-weight: 800;
}

.purchase-summary strong {
  margin-top: 6px;
  color: var(--navy);
  font-size: 18px;
  font-weight: 800;
}

.purchase-summary .purchase-price {
  display: inline-flex;
  align-items: baseline;
  gap: 0.2em;
  white-space: nowrap;
  color: var(--blue);
  font-size: 28px;
  line-height: 1;
}

.purchase-price__tax {
  color: #64748b;
  font-size: 0.28em;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.purchase-form {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 18px;
  margin-top: 30px;
}

.purchase-fields {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.purchase-field {
  display: grid;
  gap: 8px;
}

.purchase-field.is-wide {
  grid-column: 1 / -1;
}

.purchase-field.is-hidden {
  display: none;
}

.purchase-field span,
.purchase-toggle span {
  color: var(--navy);
  font-size: 14px;
  font-weight: 800;
}

.purchase-field input {
  width: 100%;
  height: 56px;
  border: 1px solid #dbe4f0;
  border-radius: 18px;
  background: #fff;
  color: var(--navy);
  padding: 0 17px;
  font: inherit;
  font-size: 15px;
  font-weight: 700;
  outline: none;
  transition: border-color .2s ease, box-shadow .2s ease;
}

.purchase-field input:focus {
  border-color: rgba(37, 99, 235, 0.5);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.09);
}

.purchase-field.has-error input {
  border-color: rgba(220, 38, 38, 0.65);
}

.purchase-toggle {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  width: fit-content;
  color: #64748b;
  font-size: 14px;
  font-weight: 800;
  cursor: pointer;
}

.purchase-toggle input {
  width: 16px;
  height: 16px;
  accent-color: var(--blue);
  flex: 0 0 auto;
}

.purchase-consent {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 8px 11px;
  align-items: start;
  color: var(--navy);
  font-size: 14px;
  line-height: 1.55;
  font-weight: 700;
}

.purchase-consent input {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  accent-color: var(--blue);
}

.purchase-consent input:focus-visible {
  outline: 3px solid rgba(37, 99, 235, 0.25);
  outline-offset: 3px;
}

.purchase-consent input[aria-invalid="true"] {
  outline: 2px solid #dc2626;
  outline-offset: 2px;
}

.purchase-consent a {
  color: var(--blue);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.purchase-consent__error {
  grid-column: 2;
  color: #dc2626;
  font-size: 13px;
  font-weight: 800;
}

.purchase-consent__error:empty {
  display: none;
}

.purchase-submit {
  width: 100%;
  margin-top: 8px;
}

.purchase-submit[disabled] {
  opacity: .78;
  cursor: wait;
}

.purchase-error {
  min-height: 20px;
  color: #dc2626;
  font-size: 13px;
  font-weight: 800;
  text-align: center;
}

.purchase-reassurance {
  display: grid;
  gap: 7px;
  margin-top: 4px;
  color: #64748b;
  font-size: 13px;
  line-height: 1.45;
  font-weight: 800;
  text-align: center;
}

.purchase-reassurance strong {
  color: var(--navy);
}

@media (max-width: 720px) {
  .purchase-page {
    padding: 112px 0 70px;
  }

  .purchase-card {
    padding: 30px 22px;
    border-radius: 28px;
  }

  .purchase-fields,
  .purchase-summary {
    grid-template-columns: 1fr;
  }

  .purchase-summary {
    display: grid;
  }
}