.page-banner {
  background: linear-gradient(160deg, var(--color-primary-light) 0%, #ffffff 60%);
  padding: 56px 0 44px;
  border-bottom: 1px solid var(--color-border);
}

.page-banner-inner {
  max-width: 620px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
}

.eyebrow {
  display: inline-block;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.page-banner h1 {
  font-size: clamp(26px, 4vw, 34px);
  letter-spacing: -0.02em;
}

.page-banner p {
  font-size: 15.5px;
  color: var(--color-body);
}

.register {
  padding: 56px 0 96px;
  background: var(--color-surface-alt);
}

.register-inner {
  max-width: 760px;
  margin: 0 auto;
}

.registration-form {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 40px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.form-section {
  border: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.form-section + .form-section {
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
}

.form-section legend {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-primary);
  padding: 0;
  margin-bottom: 2px;
}

.section-note {
  font-size: 13px;
  color: var(--color-muted);
  margin: -10px 0 0;
}

.checkbox-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.checkbox-option {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-ink);
  cursor: pointer;
}

.checkbox-option input[type="checkbox"] {
  margin-top: 2px;
  width: auto;
  flex-shrink: 0;
  accent-color: var(--color-primary);
}

.declaration-checkbox {
  font-size: 14px;
  line-height: 1.5;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-ink);
}

.form-group input,
.form-group select {
  font-family: inherit;
  font-size: 15px;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-ink);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
  width: 100%;
}

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8' fill='none'><path d='M1 1L6 6L11 1' stroke='%236b7570' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/></svg>");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(28, 122, 62, 0.14);
}

.form-group input.invalid,
.form-group select.invalid {
  border-color: var(--color-danger);
}

.form-group input.invalid:focus,
.form-group select.invalid:focus {
  box-shadow: 0 0 0 3px rgba(217, 45, 32, 0.12);
}

.error-message {
  font-size: 13px;
  color: var(--color-danger);
  min-height: 16px;
}

.btn-submit {
  width: 100%;
  padding: 14px;
  font-size: 16px;
  margin-top: 4px;
}

.btn-submit:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.form-status {
  font-size: 14px;
  text-align: center;
  min-height: 20px;
  font-weight: 500;
}

.form-status.success {
  color: var(--color-success);
}

.form-status.error {
  color: var(--color-danger);
}

.momo-card {
  background: linear-gradient(160deg, #fffbeb 0%, var(--color-surface) 55%);
  border: 1px solid #ffe28a;
  border-radius: var(--radius-md);
  padding: 22px 24px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  box-shadow: var(--shadow-sm);
}

.momo-card-header {
  display: flex;
  align-items: center;
  gap: 16px;
}

.momo-badge {
  flex-shrink: 0;
  width: 92px;
  height: auto;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
}

.momo-card-heading h4 {
  font-size: 16.5px;
  font-weight: 800;
  color: var(--color-ink);
  margin-bottom: 2px;
}

.momo-card-heading p {
  font-size: 13.5px;
  color: var(--color-body);
}

.momo-details {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.momo-detail {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 13px 16px;
}

.momo-detail + .momo-detail {
  border-top: 1px solid var(--color-border);
}

.momo-detail-label {
  font-size: 12px;
  font-weight: 700;
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  flex-shrink: 0;
}

.momo-detail-value {
  font-size: 14px;
  color: var(--color-ink);
  text-align: right;
}

.momo-number {
  font-size: 17px;
  font-weight: 800;
  letter-spacing: 0.03em;
  color: var(--color-gold-dark);
}

.momo-steps {
  margin: 0;
  padding-left: 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 13.5px;
  color: var(--color-body);
}

.momo-steps li::marker {
  font-weight: 700;
  color: var(--color-gold-dark);
}

/* Responsive */

@media (max-width: 640px) {
  .momo-card-header {
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
  }

  .momo-detail {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }

  .momo-detail-value {
    text-align: left;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .checkbox-grid {
    grid-template-columns: 1fr;
  }

  .registration-form {
    padding: 28px 20px;
  }
}