:root {
  color-scheme: light dark;
  font-family: "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  --surface: #f7f9fc;
  --surface-alt: #ffffff;
  --surface-muted: rgba(148, 163, 184, 0.08);
  --border: rgba(15, 23, 42, 0.12);
  --border-strong: rgba(37, 99, 235, 0.3);
  --text: #0f172a;
  --muted: #475569;
  --accent: #2563eb;
  --accent-dark: #1d4ed8;
  --accent-contrast: #f8fafc;
  --warning: #e67e22;
  --success: #0f9d58;
  --shadow-card: 0 16px 38px rgba(15, 23, 42, 0.12);
  --shadow-float: 0 20px 46px rgba(37, 99, 235, 0.18);
  --focus-ring: rgba(37, 99, 235, 0.35);
}

@media (prefers-color-scheme: dark) {
  :root {
    --surface: #0d1423;
    --surface-alt: #111c33;
    --surface-muted: rgba(59, 130, 246, 0.12);
    --border: rgba(148, 163, 184, 0.22);
    --border-strong: rgba(96, 165, 250, 0.45);
    --text: #e2e8f0;
    --muted: #94a3b8;
    --accent: #89b4ff;
    --accent-dark: #6da1ff;
    --accent-contrast: #050b18;
    --shadow-card: 0 20px 52px rgba(2, 6, 23, 0.7);
    --shadow-float: 0 26px 58px rgba(37, 99, 235, 0.35);
    --focus-ring: rgba(96, 165, 250, 0.45);
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--surface);
  color: var(--text);
}

a {
  color: inherit;
  text-decoration: none;
}

a:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
}

.container {
  width: min(72rem, 94vw);
  margin-inline: auto;
}

.page-header {
  padding: clamp(2.8rem, 5vw, 4.4rem) 0 clamp(2.1rem, 4vw, 3.4rem);
  background: linear-gradient(185deg, rgba(37, 99, 235, 0.18), transparent 70%);
}

.header-actions {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 1.25rem;
}

.home-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.45rem 1.1rem;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.32);
  background: rgba(148, 163, 184, 0.18);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  transition: transform 0.2s ease, background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.home-link:hover,
.home-link:focus-visible {
  transform: translateY(-1px);
  background: rgba(191, 219, 254, 0.85);
  border-color: rgba(191, 219, 254, 0.6);
  color: #0f172a;
}

.eyebrow {
  margin: 0 0 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.75rem;
  color: var(--muted);
}

.page-header h1 {
  margin: 0 0 0.85rem;
  font-size: clamp(2.3rem, 5vw, 3.3rem);
  line-height: 1.12;
}

.lede {
  margin: 0;
  max-width: 62ch;
  color: var(--muted);
}

.wizard-section {
  margin-bottom: clamp(3rem, 6vw, 4.5rem);
}

.wizard-section__header {
  margin-bottom: clamp(1.8rem, 4vw, 2.6rem);
  display: grid;
  gap: 0.85rem;
}

.section-eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-size: 0.72rem;
  color: var(--muted);
  margin: 0;
}

.section-title {
  margin: 0;
  font-size: clamp(1.9rem, 3.6vw, 2.4rem);
  line-height: 1.2;
}

.section-lede {
  margin: 0;
  max-width: 58ch;
  color: var(--muted);
}

.wizard-layout {
  display: grid;
  grid-template-columns: minmax(16rem, 1fr) minmax(0, 1.45fr);
  gap: clamp(1.8rem, 3vw, 2.4rem);
  align-items: start;
}

.wizard-progress {
  position: sticky;
  top: clamp(1rem, 4vw, 2.5rem);
  background: var(--surface-alt);
  border-radius: 1.4rem;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  padding: clamp(1.6rem, 3vw, 2rem);
  display: grid;
  gap: clamp(1.4rem, 3vw, 1.8rem);
}

.wizard-progress__header {
  display: grid;
  gap: 0.8rem;
}

.wizard-progress__title {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--muted);
}

.wizard-progress__bar {
  --progress: 25%;
  height: 0.65rem;
  border-radius: 999px;
  background: rgba(148, 163, 184, 0.25);
  position: relative;
  overflow: hidden;
}

.wizard-progress__bar-fill {
  width: var(--progress);
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  transition: width 280ms ease;
}

.wizard-progress__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.9rem;
}

.wizard-progress__item {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.85rem 1rem;
  border-radius: 1rem;
  border: 1px solid transparent;
  background: var(--surface-muted);
  color: var(--muted);
  transition: border-color 180ms ease, background-color 180ms ease, color 180ms ease, transform 180ms ease;
}

.wizard-progress__item.is-active {
  border-color: var(--border-strong);
  background: rgba(37, 99, 235, 0.14);
  color: var(--accent-dark);
  transform: translateX(4px);
}

.wizard-progress__item.is-complete {
  border-color: rgba(15, 157, 88, 0.35);
  background: rgba(15, 157, 88, 0.12);
  color: var(--success);
}

.wizard-progress__step-index {
  width: 2.5rem;
  height: 2.5rem;
  display: grid;
  place-items: center;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: var(--accent-contrast);
  font-weight: 600;
}

.wizard-progress__step-label {
  font-size: 0.95rem;
  font-weight: 600;
}

.wizard-card {
  position: relative;
  background: var(--surface-alt);
  border-radius: 1.6rem;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  padding: clamp(1.9rem, 3.2vw, 2.5rem);
  display: grid;
  gap: clamp(1.6rem, 3vw, 2.1rem);
}

.wizard__live-region {
  position: absolute;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  height: 1px;
  width: 1px;
  overflow: hidden;
  white-space: nowrap;
}

.wizard-step {
  display: grid;
  gap: 1.5rem;
  outline: none;
}

.wizard-step[hidden] {
  display: none;
}

.wizard-step__header {
  display: grid;
  gap: 0.4rem;
}

.wizard-step__eyebrow {
  margin: 0;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--muted);
}

.wizard-step__title {
  margin: 0;
  font-size: clamp(1.5rem, 3vw, 1.85rem);
  line-height: 1.25;
}

.wizard-step__intro {
  margin: 0;
  color: var(--muted);
  max-width: 60ch;
}

.wizard-form-fieldset {
  margin: 0;
  border: 1px solid rgba(148, 163, 184, 0.25);
  border-radius: 1.1rem;
  padding: clamp(1.2rem, 3vw, 1.6rem);
  display: grid;
  gap: 1.2rem;
  background: var(--surface-muted);
}

.wizard-form-legend {
  font-weight: 700;
}

.wizard-radio-group {
  display: grid;
  gap: 0.85rem;
}

.wizard-radio {
  display: flex;
  align-items: flex-start;
  gap: 0.8rem;
  padding: 0.95rem 1.1rem;
  border-radius: 1rem;
  border: 1px solid rgba(148, 163, 184, 0.3);
  background: rgba(115, 166, 218, 0.75);
  transition: border-color 180ms ease, box-shadow 180ms ease, background-color 180ms ease;
  cursor: pointer;
}

.wizard-radio:hover,
.wizard-radio:focus-within {
  border-color: var(--border-strong);
  background: rgba(37, 99, 235, 0.08);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.14);
}

.wizard-radio input[type="radio"] {
  margin-top: 0.2rem;
}

.wizard-error {
  margin: 0;
  color: var(--warning);
  font-weight: 600;
}

.wizard-error[hidden] {
  display: none;
}

.wizard-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: flex-end;
}

.wizard-button {
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0.75rem 1.8rem;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  background: rgba(37, 99, 235, 0.12);
  color: var(--accent-dark);
  transition: transform 160ms ease, box-shadow 160ms ease, background-color 160ms ease, border-color 160ms ease;
}

.wizard-button:hover,
.wizard-button:focus-visible {
  transform: translateY(-1px);
  box-shadow: var(--shadow-float);
}

.wizard-button:focus-visible {
  outline: 3px solid var(--focus-ring);
  outline-offset: 2px;
}

.wizard-button[disabled] {
  opacity: 0.55;
  cursor: not-allowed;
  box-shadow: none;
}

.wizard-button--primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: var(--accent-contrast);
}

.wizard-button--ghost {
  background: transparent;
  border-color: rgba(148, 163, 184, 0.32);
  color: var(--muted);
}

.wizard-summary {
  background: rgba(148, 163, 184, 0.12);
  border-radius: 1.2rem;
  border: 1px solid rgba(148, 163, 184, 0.24);
  padding: clamp(1.4rem, 3vw, 1.8rem);
  display: grid;
  gap: 1.4rem;
}

.wizard-summary__title {
  margin: 0;
  font-size: 1.1rem;
}

.wizard-summary__list {
  margin: 0;
  display: grid;
  gap: 1rem;
}

.wizard-summary__item {
  display: grid;
  gap: 0.35rem;
  background: var(--surface-alt);
  padding: 1rem;
  border-radius: 0.9rem;
  border: 1px solid rgba(148, 163, 184, 0.18);
}

.wizard-summary__item dt {
  font-weight: 600;
  color: var(--muted);
}

.wizard-summary__item dd {
  margin: 0;
}

.wizard-summary__actions {
  margin: 0;
  padding-left: 1.2rem;
  display: grid;
  gap: 0.75rem;
}

.wizard-summary__actions li {
  margin: 0;
}

.footer {
  padding: clamp(2.4rem, 4vw, 3.4rem) 0;
}

.footer-actions {
  display: flex;
  justify-content: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.4rem;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.4);
  background: rgba(148, 171, 184, 0.18);
  font-weight: 600;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: transform 0.2s ease, background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-2px);
  background: rgba(37, 99, 235, 0.22);
  border-color: rgba(96, 165, 250, 0.45);
  color: var(--text);
}

.btn.ghost {
  background: rgba(42, 101, 184, 0.12);
}

.back-to-top {
  position: fixed;
  transform-origin: center;
  display: inline-flex;
  align-items: center;
  right: clamp(1rem, 4vw, 2.5rem);
  bottom: clamp(1.4rem, 4vw, 2.8rem);
  padding: 0.75rem 1.8rem;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.85);
  color: #f8fafc;
  border: 1px solid rgba(148, 163, 184, 0.45);
  box-shadow: 0 18px 36px rgba(15, 23, 42, 0.35);
  backdrop-filter: blur(12px);
  letter-spacing: 0.06em;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.25s ease, visibility 0.25s ease, background-color 0.2s ease, border-color 0.2s ease,
    transform 0.2s ease;
}

.back-to-top::before {
  content: "\2191";
  font-size: 1.05rem;
  line-height: 1;
}

.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  animation: backToTopPulse 6s ease-in-out infinite;
}

.back-to-top:hover,
.back-to-top:focus-visible {
  transform: translateY(-4px);
  background: rgba(37, 99, 235, 0.85);
  border-color: rgba(96, 165, 250, 0.5);
  color: #f8fafc;
}

@keyframes backToTopPulse {

  0%,
  100% {
    box-shadow: 0 18px 36px rgba(15, 23, 42, 0.35);
  }

  50% {
    box-shadow: 0 22px 44px rgba(37, 99, 235, 0.28);
  }
}

@media (max-width: 62rem) {
  .wizard-layout {
    grid-template-columns: 1fr;
  }

  .wizard-progress {
    position: static;
    order: -1;
  }
}

@media (max-width: 48rem) {
  .header-actions {
    justify-content: flex-start;
  }

  .wizard-progress,
  .wizard-card {
    padding: clamp(1.4rem, 5vw, 1.8rem);
  }

  .wizard-controls {
    justify-content: stretch;
  }

  .wizard-button {
    flex: 1 1 auto;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}