@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
  --bg: #f1f5f9;
  --bg-alt: #e2e8f0;
  --surface: #ffffff;
  --surface-strong: #f8fafc;
  --text: #0f172a;
  --muted: #475569;
  --line: #e2e8f0;
  --accent: #2563eb;
  --accent-strong: #1d4ed8;
  --accent-soft: #dbeafe;
  --warning: #b45309;
  --shadow: 0 1px 3px rgba(15, 23, 42, 0.08), 0 4px 16px rgba(15, 23, 42, 0.05);
  --radius-lg: 12px;
  --radius-md: 8px;
  --radius-sm: 6px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.5;
}

a {
  color: inherit;
}

.hero,
.section,
.footer {
  padding: 32px 20px;
}

.hero__inner,
.section,
.footer {
  max-width: 1120px;
  margin: 0 auto;
}

.hero {
  padding-top: 56px;
  padding-bottom: 36px;
}

.hero--compact {
  padding-bottom: 18px;
}

.hero__inner {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 48px;
  box-shadow: var(--shadow);
}

.eyebrow {
  margin: 0 0 12px;
  font-size: 0.82rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-strong);
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.08;
}

h1 {
  font-size: clamp(1.75rem, 3vw, 2.6rem);
}

h2 {
  font-size: clamp(1.8rem, 3vw, 2.8rem);
}

.hero__copy,
.section__header p,
.signal-card p,
.field span,
.result p,
.card p,
.footer p {
  color: var(--muted);
}

.hero__copy {
  max-width: 58ch;
  margin: 18px 0 0;
  font-size: 1.1rem;
}

.category-switcher {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 20px;
}

.category-switcher__link {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  text-decoration: none;
  font-size: 0.9rem;
  color: var(--muted);
  background: var(--surface);
}

.category-switcher__link.is-active {
  color: #ffffff;
  background: var(--accent);
  border-color: var(--accent);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.hero__meta {
  margin-top: 20px;
  font-size: 0.92rem;
  color: var(--warning);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  border: 1px solid transparent;
  transition: transform 140ms ease, background-color 140ms ease, border-color 140ms ease;
  cursor: pointer;
}

.button:hover {
  transform: translateY(-1px);
}

.button--primary {
  background: var(--accent);
  color: #ffffff;
}

.button--primary:hover {
  background: var(--accent-strong);
}

.button--secondary {
  background: transparent;
  border-color: var(--line);
}

.section {
  padding-top: 36px;
  padding-bottom: 36px;
}

.section--tight {
  padding-top: 10px;
}

.section--alt {
  background: var(--bg-alt);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section__header {
  max-width: 760px;
  margin-bottom: 24px;
}

.grid {
  display: grid;
  gap: 20px;
}

.grid--3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid--cards {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.signal-card,
.quiz,
.result,
.card {
  background: var(--surface);
  border: 1px solid rgba(217, 204, 184, 0.9);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.signal-card {
  padding: 24px;
}

.quiz {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  padding: 24px;
}

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

.field span {
  font-size: 0.95rem;
}

.field select {
  width: 100%;
  min-height: 48px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: white;
  padding: 0 12px;
  font: inherit;
  color: var(--text);
}

.result {
  margin-top: 18px;
  padding: 24px;
}

.result.hidden {
  display: none;
}

.hidden {
  display: none;
}

.result__label {
  display: inline-block;
  margin-bottom: 12px;
  padding: 6px 10px;
  background: var(--accent-soft);
  color: var(--accent-strong);
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.result__why {
  margin-top: 20px;
  padding: 16px 20px;
  background: var(--surface-strong);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
}

.result__why-heading {
  margin: 0 0 6px;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-strong);
}

.result__why p:last-child {
  margin: 0;
  color: var(--muted);
  font-size: 0.97rem;
  line-height: 1.55;
}

.result__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 16px;
}

.result__meta,
.card__source {
  margin: 0;
  color: var(--muted);
}

.result__meta a,
.card__source a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 0.15rem;
}

.source-attr {
  font-size: 0.78rem;
  color: var(--muted);
  text-decoration: none;
}

.source-attr:hover {
  text-decoration: underline;
  text-underline-offset: 0.15rem;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 760px;
}

.comparison-table th,
.comparison-table td {
  padding: 16px;
  text-align: left;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

.comparison-table th {
  font-size: 0.88rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  background: var(--surface-strong);
}

.comparison-table tr:last-child td {
  border-bottom: 0;
}

.card {
  padding: 24px;
  display: grid;
  gap: 14px;
}

.card--detail {
  height: fit-content;
}

.card__top {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
}

.pill {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 10px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-size: 0.82rem;
  font-weight: 700;
}

.stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.stat {
  padding: 14px;
  border-radius: var(--radius-md);
  background: var(--surface-strong);
  border: 1px solid var(--line);
}

.stat strong {
  display: block;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.stat span {
  display: block;
  margin-top: 6px;
  font-weight: 700;
}

.footer {
  font-size: 0.95rem;
}

.detail-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(280px, 0.8fr);
  gap: 20px;
}

.detail-sidebar {
  display: grid;
  gap: 20px;
  align-content: start;
}

.detail-copy-block {
  display: grid;
  gap: 10px;
}

@media (max-width: 920px) {
  .grid--3,
  .grid--cards,
  .quiz,
  .detail-layout {
    grid-template-columns: 1fr;
  }

  .hero__inner {
    padding: 30px 22px;
  }

  .card__top {
    flex-wrap: wrap;
  }

  .quiz .button {
    grid-column: 1 / -1;
    width: 100%;
  }
}

@media (max-width: 480px) {
  .hero,
  .section,
  .footer {
    padding-left: 12px;
    padding-right: 12px;
  }

  .hero__inner {
    padding: 24px 16px;
  }

  .button {
    min-height: 52px;
    padding: 0 16px;
    font-size: 1rem;
  }

  .hero__actions {
    flex-direction: column;
  }

  .hero__actions .button {
    width: 100%;
    justify-content: center;
  }

  .result__actions {
    flex-direction: column;
  }

  .result__actions .button {
    width: 100%;
    justify-content: center;
  }
}

.disclosure-banner {
  font-size: 0.85rem;
  color: var(--muted);
  border-top: 1px solid var(--line);
  padding-top: 12px;
  margin-bottom: 8px;
}

.footer-nav {
  font-size: 0.85rem;
  margin-top: 8px;
}

.footer-nav a {
  color: var(--muted);
  text-decoration: underline;
}

.prose {
  max-width: 68ch;
}

.prose h2 {
  margin: 32px 0 10px;
  font-size: clamp(1.25rem, 2vw, 1.6rem);
  line-height: 1.2;
}

.prose p,
.prose ul {
  margin: 0 0 16px;
  color: var(--muted);
  line-height: 1.65;
}

.prose ul {
  padding-left: 1.4em;
}

.prose li {
  margin-bottom: 6px;
}

/* ── Comparison table action cell ────────────────────────────── */

.comparison-table__actions {
  white-space: nowrap;
  vertical-align: middle;
}

.comparison-table__actions .button {
  display: block;
  width: 100%;
  text-align: center;
}

.comparison-table__actions .button + .button {
  margin-top: 8px;
}

.comparison-table__view {
  font-size: 0.88rem;
  min-height: 38px;
  padding: 0 14px;
}

/* ── Sticky CTA bar (card detail page) ───────────────────────── */

.sticky-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 24px;
  background: var(--surface);
  border-top: 1px solid var(--line);
  box-shadow: 0 -2px 12px rgba(15, 23, 42, 0.10);
  /* Hidden by default — translate off-screen so it doesn't flash on load */
  transform: translateY(100%);
  transition: transform 220ms ease;
  pointer-events: none;
}

.sticky-cta--visible {
  transform: translateY(0);
  pointer-events: auto;
}

.sticky-cta__name {
  font-weight: 600;
  font-size: 0.97rem;
  color: var(--text);
  /* Truncate long card names on narrow screens */
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  min-width: 0;
}

.sticky-cta__button {
  flex-shrink: 0;
}

@media (max-width: 480px) {
  .sticky-cta {
    flex-direction: column;
    align-items: stretch;
    padding: 12px 16px;
    gap: 10px;
  }

  .sticky-cta__name {
    white-space: normal;
    font-size: 0.92rem;
  }

  .sticky-cta__button {
    width: 100%;
    justify-content: center;
  }
}