.check-body {
  background: var(--presence-soft);
}

.site-header .header-back {
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 600;
  transition: color 180ms ease;
}

.site-header .header-back:hover {
  color: var(--presence-blue);
}

.check-main {
  display: flex;
  justify-content: center;
  padding: clamp(40px, 6vw, 80px) 16px clamp(60px, 8vw, 120px);
}

.check-shell {
  width: 100%;
  max-width: 640px;
}

/* Progress */
.check-progress {
  margin-bottom: 48px;
  text-align: center;
}

.check-dots {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin-bottom: 12px;
}

.check-dot {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 2px solid var(--presence-line);
  background: var(--presence-paper);
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
  transition: border-color 300ms ease, background 300ms ease, color 300ms ease;
  flex: 0 0 auto;
}

.check-dot.active {
  border-color: var(--presence-blue);
  background: var(--presence-blue);
  color: var(--presence-paper);
}

.check-dot.done {
  border-color: var(--presence-mint);
  background: var(--presence-mint);
  color: var(--presence-paper);
}

.check-connector {
  flex: 1;
  height: 2px;
  max-width: 56px;
  background: var(--presence-line);
  transition: background 300ms ease;
}

.check-connector.done {
  background: var(--presence-mint);
}

.check-step-label {
  margin: 0;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 600;
}

/* Steps */
.check-step {
  display: none;
}

.check-step.active {
  display: block;
  animation: stepIn 320ms cubic-bezier(0.22, 1, 0.36, 1);
}

@keyframes stepIn {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.check-step h2 {
  margin-bottom: 8px;
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
}

.check-sub {
  color: var(--muted);
  font-size: 1rem;
  margin-bottom: 32px;
}

/* Option cards */
.check-options {
  display: grid;
  gap: 12px;
  margin-bottom: 36px;
}

.check-option {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 20px;
  border: 2px solid var(--presence-line);
  border-radius: var(--radius);
  background: var(--presence-paper);
  cursor: pointer;
  transition: border-color 180ms ease, background 180ms ease, box-shadow 180ms ease;
}

.check-option:hover {
  border-color: var(--presence-royal);
  box-shadow: 0 4px 20px rgba(40, 53, 147, 0.08);
}

.check-option input[type="radio"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.check-option-mark {
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 2px solid var(--presence-line);
  background: var(--presence-paper);
  transition: border-color 180ms ease, background 180ms ease;
}

.check-option-mark::after {
  content: '';
  display: block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--presence-paper);
  transform: scale(0);
  transition: transform 180ms cubic-bezier(0.22, 1, 0.36, 1);
}

.check-option.is-selected {
  border-color: var(--presence-blue);
  background: var(--presence-ice);
  box-shadow: 0 4px 20px rgba(40, 53, 147, 0.1);
}

.check-option.is-selected .check-option-mark {
  border-color: var(--presence-blue);
  background: var(--presence-blue);
}

.check-option.is-selected .check-option-mark::after {
  transform: scale(1);
}

.check-option-text {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.check-option-text strong {
  color: var(--presence-ink);
  font-size: 0.96rem;
  line-height: 1.3;
}

.check-option-text small {
  color: var(--muted);
  font-size: 0.82rem;
}

/* Navigation */
.check-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.check-nav--back-only {
  margin-top: 16px;
  justify-content: flex-start;
}

/* Form */
.check-form {
  padding: 28px;
  border: 1px solid var(--presence-line);
  border-radius: var(--radius);
  background: var(--presence-paper);
  box-shadow: 0 8px 32px rgba(36, 40, 51, 0.06);
}

.check-submit {
  width: 100%;
  margin-top: 4px;
  min-height: 52px;
  font-size: 1rem;
}

/* Done / confirmation */
.check-done {
  text-align: center;
}

.check-checkmark {
  display: grid;
  place-items: center;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--presence-mint);
  color: var(--presence-paper);
  margin: 0 auto 24px;
  animation: popIn 400ms cubic-bezier(0.22, 1, 0.36, 1);
}

@keyframes popIn {
  from { transform: scale(0.4); opacity: 0; }
  to   { transform: scale(1);   opacity: 1; }
}

.check-done .check-sub {
  max-width: 480px;
  margin: 0 auto 32px;
}

.check-done .button {
  margin: 0 auto;
}

@media (max-width: 480px) {
  .check-option {
    padding: 14px 16px;
  }

  .check-nav {
    flex-direction: column-reverse;
  }

  .check-nav .button {
    width: 100%;
  }
}