:root {
  color-scheme: light;
  --ink: #18181b;
  --muted: #71717a;
  --soft-muted: #71717a;
  --line: #e4e4e7;
  --soft: #f4f4f5;
  --white: #fff;
}

* { box-sizing: border-box; }

html { scroll-padding-top: 88px; }

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.6;
}

a { color: inherit; }

.site-nav {
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(10px);
  z-index: 10;
}

.brand {
  text-decoration: none;
  font-weight: 650;
  letter-spacing: 0.04em;
}

.site-nav nav {
  display: flex;
  gap: 18px;
}

.site-nav nav a {
  font-size: 0.9rem;
  color: var(--muted);
  text-decoration: none;
}

.site-nav nav a:hover { color: var(--ink); }

main {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

.breadcrumbs {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  padding: 22px 0 0;
  color: #71717a;
  font-size: 0.84rem;
}

.breadcrumbs a {
  color: #52525b;
  text-decoration: none;
}

.breadcrumbs a:hover { color: var(--ink); }

.guide-nav {
  margin-top: 16px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
  scrollbar-width: none;
}

.guide-nav::-webkit-scrollbar { display: none; }

.guide-nav span,
.guide-nav a {
  white-space: nowrap;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 7px 11px;
  font-size: 0.78rem;
}

.guide-nav span {
  color: #52525b;
  background: var(--soft);
}

.guide-nav a {
  color: #52525b;
  text-decoration: none;
  background: #fff;
}

.guide-nav a:hover,
.guide-nav a.active {
  border-color: var(--ink);
  color: var(--ink);
}

.hero {
  padding: 58px 0 42px;
  max-width: 900px;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--soft-muted);
  font-size: 0.72rem;
  font-weight: 700;
  margin: 0 0 16px;
}

h1 {
  font-size: clamp(2.2rem, 4.8vw, 4.35rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin: 0 0 24px;
}

h2 {
  font-size: clamp(1.35rem, 2.4vw, 2rem);
  line-height: 1.18;
  letter-spacing: -0.02em;
  margin: 0 0 14px;
}

h3 {
  font-size: 1.02rem;
  line-height: 1.3;
  margin: 0 0 12px;
}

.intro {
  font-size: 1.14rem;
  color: #52525b;
  max-width: 780px;
  margin: 0 0 28px;
}

.microcopy {
  color: var(--soft-muted);
  font-size: 0.9rem;
  margin: 12px 0 0;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 52px;
  padding: 14px 22px;
  border-radius: 8px;
  text-decoration: none;
  border: 1px solid transparent;
  font-weight: 750;
  cursor: pointer;
  font-size: 0.95rem;
  line-height: 1.2;
  transition: background 0.18s ease, border-color 0.18s ease, color 0.18s ease, transform 0.18s ease;
}

.btn:hover { transform: translateY(-1px); }
.btn:focus-visible,
.text-button:focus-visible,
.score-option:focus-visible {
  outline: 3px solid rgba(255,255,255,0.55);
  outline-offset: 3px;
}

.btn-primary {
  background: var(--ink);
  color: #fff;
  box-shadow: 0 10px 24px rgba(24, 24, 27, 0.12);
}
.btn-primary:hover { background: #27272a; }
.btn-secondary {
  background: #fff;
  border-color: #a1a1aa;
  color: var(--ink);
}
.btn-secondary:hover {
  background: #f4f4f5;
  border-color: var(--ink);
}
.btn-large {
  min-height: 58px;
  padding: 16px 26px;
  font-size: 1rem;
}

.route-pill {
  margin-top: 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  color: #52525b;
  font-size: 0.82rem;
}

.route-pill span,
.route-pill a {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 10px;
  background: #fff;
  text-decoration: none;
}

.route-pill a {
  color: var(--ink);
  font-weight: 650;
}

.route-pill a:hover {
  border-color: var(--ink);
}

.quick-read {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: 34px;
  align-items: start;
  background: #fafafa;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 28px;
  margin: 0 0 58px;
}

.quick-read ul,
.card ul,
.sources ul {
  padding-left: 20px;
  margin: 0;
}

.quick-read li,
.card li {
  margin: 10px 0;
  color: #3f3f46;
}

.grid-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 36px;
  padding: 0 0 66px;
}

.content {
  display: grid;
  gap: 26px;
}

.content article {
  border-top: 1px solid var(--line);
  padding-top: 24px;
}

.content p,
.funnel p,
.sources p,
.faq p,
.section-head p,
.self-check p,
.related-grid p,
.example-grid p {
  color: #52525b;
  margin: 0;
}

.card {
  background: var(--soft);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 24px;
  height: max-content;
  position: sticky;
  top: 88px;
}

.aside-cta {
  display: grid;
  gap: 10px;
  margin-top: 22px;
}

.aside-cta .btn {
  width: 100%;
  min-height: 46px;
  padding: 12px 14px;
  font-size: 0.88rem;
}

.question-strip,
.examples,
.self-check,
.sources,
.related-guides,
.inline-cta {
  margin: 0 0 66px;
}

.inline-cta {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 28px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fafafa;
  padding: 24px;
}

.inline-cta h2 {
  margin-bottom: 8px;
}

.inline-cta p:not(.eyebrow) {
  max-width: 620px;
  color: #52525b;
}

.inline-cta .microcopy {
  margin-top: 8px;
}

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

.question-grid,
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.example-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.question-grid article,
.example-grid article,
.related-grid a {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 20px;
  text-decoration: none;
  background: #fff;
}

.question-grid span,
.related-grid span {
  display: block;
  color: var(--soft-muted);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.question-grid p {
  margin: 0;
  color: #3f3f46;
}

.example-grid strong { color: var(--ink); }
.example-grid p + p { margin-top: 10px; }

.self-check {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 32px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 34px 0;
}

.self-check ol {
  margin: 0;
  padding-left: 22px;
}

.self-check li {
  margin: 10px 0;
  color: #3f3f46;
}

.sources {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 24px;
}

.sources li { margin: 8px 0; }
.sources a { color: #27272a; }

.funnel {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(360px, 1fr);
  gap: 40px;
  align-items: start;
  background: #18181b;
  color: #fff;
  border-radius: 8px;
  padding: 34px;
  margin: 0 0 66px;
  scroll-margin-top: 88px;
}

.funnel p { color: #d4d4d8; }
.funnel .eyebrow { color: #d4d4d8; }
.funnel .cta-row { margin-top: 20px; }
.funnel .btn-primary {
  background: #fff;
  color: var(--ink);
  border-color: #fff;
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.28);
}
.funnel .btn-primary:hover { background: #f4f4f5; }
.funnel .btn-secondary {
  border-color: #71717a;
  background: rgba(255,255,255,0.08);
  color: #fff;
}
.funnel .btn-secondary:hover {
  background: rgba(255,255,255,0.14);
  border-color: #fff;
}

.score-panel {
  background: #202024;
  border: 1px solid #3f3f46;
  border-radius: 8px;
  padding: 22px;
  scroll-margin-top: 88px;
}

.score-panel h2 {
  max-width: 560px;
}

.score-actions {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.score-panel .btn {
  min-width: 280px;
}

.path-steps {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.path-steps span {
  border: 1px solid #3f3f46;
  border-radius: 999px;
  color: #d4d4d8;
  padding: 6px 10px;
  font-size: 0.78rem;
}

.strong-microcopy {
  color: #fff !important;
  font-weight: 650;
}

.score-quiz,
.score-result {
  margin-top: 24px;
  border: 1px solid #3f3f46;
  border-radius: 8px;
  background: #27272a;
  padding: 18px;
  scroll-margin-top: 88px;
}

.score-progress {
  display: flex;
  justify-content: space-between;
  color: #d4d4d8;
  font-size: 0.82rem;
  margin-bottom: 8px;
}

.score-bar {
  height: 4px;
  border-radius: 999px;
  background: #3f3f46;
  overflow: hidden;
  margin-bottom: 18px;
}

.score-bar span {
  display: block;
  height: 100%;
  width: 0;
  background: #fff;
  transition: width 0.2s ease;
}

.score-options {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.score-option {
  width: 100%;
  border: 1px solid #71717a;
  border-radius: 8px;
  background: rgba(24,24,27,0.92);
  color: #fff;
  padding: 14px 16px;
  text-align: left;
  font: inherit;
  font-weight: 650;
  cursor: pointer;
  transition: background 0.18s ease, border-color 0.18s ease, transform 0.18s ease;
}

.score-option:hover,
.score-option:focus {
  border-color: #fff;
  background: #18181b;
  outline: none;
}

.score-tip {
  margin-top: 14px !important;
  font-size: 0.86rem;
  color: #a1a1aa !important;
}

.score-number {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin: 4px 0 8px;
}

.score-number span {
  font-size: 3rem;
  line-height: 1;
  font-weight: 750;
}

.score-number small { color: #a1a1aa; }

.score-result ul {
  margin: 18px 0 0;
  padding-left: 20px;
  color: #d4d4d8;
}

.score-result li { margin: 8px 0; }

.text-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin: 14px 0 0 0;
  border: 1px solid #71717a;
  border-radius: 8px;
  background: transparent;
  color: #fff;
  font: inherit;
  font-size: 0.9rem;
  font-weight: 650;
  padding: 10px 14px;
  cursor: pointer;
  text-decoration: none;
}

.text-button:hover {
  background: rgba(255,255,255,0.1);
  border-color: #fff;
}

.form-card {
  background: #27272a;
  border: 1px solid #3f3f46;
  border-radius: 8px;
  padding: 22px;
  scroll-margin-top: 88px;
}

.form-intro {
  margin: 0 0 18px !important;
  color: #d4d4d8 !important;
}

.lead-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.lead-form label { display: grid; gap: 6px; }
.lead-form span { font-size: 0.8rem; color: #d4d4d8; }

.lead-form input,
.lead-form select,
.lead-form textarea {
  width: 100%;
  border: 1px solid #52525b;
  background: #18181b;
  color: #fff;
  border-radius: 8px;
  padding: 12px;
  font: inherit;
}

.lead-form input::placeholder,
.lead-form textarea::placeholder {
  color: #a1a1aa;
}

.lead-form .full { grid-column: 1 / -1; }
.honeypot { display: none; }
.form-note { font-size: 0.78rem; color: #a1a1aa !important; }
.form-note a { color: #fff; }
.score-attached {
  border: 1px solid #52525b;
  border-left: 4px solid #fff;
  border-radius: 8px;
  padding: 12px;
  color: #fff !important;
  font-size: 0.84rem;
  margin: 0;
}
.form-status { font-size: 0.86rem; }
.form-status.ok { color: #86efac; }
.form-status.error { color: #fca5a5; }
.lead-form button:disabled { opacity: 0.72; cursor: default; }

.faq { padding: 0 0 44px; }
.faq details { border-top: 1px solid var(--line); padding: 18px 0; }
.faq summary { cursor: pointer; font-weight: 650; }
.faq p { padding-top: 10px; }

.related-grid strong {
  display: block;
  margin-bottom: 8px;
  line-height: 1.3;
}

.related-grid a:hover { border-color: #a1a1aa; }

.footer {
  border-top: 1px solid var(--line);
  padding: 28px 24px;
  color: #71717a;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  max-width: 1120px;
  margin: 0 auto;
}

.footer p { margin: 0; }
.footer a { text-decoration: none; }

@media (max-width: 900px) {
  .quick-read,
  .grid-section,
  .self-check,
  .funnel {
    grid-template-columns: 1fr;
  }

  .question-grid,
  .example-grid,
  .related-grid {
    grid-template-columns: 1fr;
  }

  .card { position: static; }
}

@media (max-width: 640px) {
  .site-nav nav { display: none; }
  main { padding: 0 18px; }
  .hero { padding: 58px 0 34px; }
  .quick-read,
  .inline-cta,
  .funnel {
    padding: 22px;
  }
  .inline-cta { grid-template-columns: 1fr; }
  .lead-form { grid-template-columns: 1fr; }
  .footer { flex-direction: column; }
  .btn,
  .score-panel .btn,
  .text-button { width: 100%; }
}