/* Cabin Fever Digital — shared brand styles
   Match cabinfeverdigital.com */

:root {
  --bg: #1C1C1E;
  --text: #F5F0E8;
  --brass: #B8963E;
  --brass-dim: rgba(184, 150, 62, 0.12);
  --surface: #222224;
  --surface-2: #282828;
  --border: rgba(245, 240, 232, 0.07);
  --border-strong: rgba(245, 240, 232, 0.14);
  --dim: rgba(245, 240, 232, 0.48);
  --dim-2: rgba(245, 240, 232, 0.72);
  --max: 1140px;
  --prose: 680px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "DM Sans", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  font-weight: 400;
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

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

img, svg { display: block; max-width: 100%; }

::selection { background: var(--brass); color: var(--bg); }

/* ---------- NAV ---------- */
.cfd-nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  padding: 18px 32px;
  background: transparent;
  transition: background 220ms ease, backdrop-filter 220ms ease, border-color 220ms ease;
  border-bottom: 1px solid transparent;
}
.cfd-nav.is-scrolled {
  background: rgba(28, 28, 30, 0.94);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  border-bottom-color: var(--border);
}
.cfd-nav__inner {
  max-width: var(--max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.cfd-logo {
  display: flex;
  align-items: center;
  gap: 14px;
}
.cfd-logo__divider {
  width: 1px;
  height: 26px;
  background: var(--border-strong);
}
.cfd-logo__word {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.cfd-logo__primary {
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: 0.18em;
  color: var(--text);
  line-height: 1;
}
.cfd-logo__sub {
  display: flex;
  align-items: center;
  gap: 6px;
}
.cfd-logo__rule {
  width: 11px;
  height: 1px;
  background: var(--brass);
  display: block;
}
.cfd-logo__sub-text {
  font-size: 7px;
  font-weight: 500;
  letter-spacing: 0.4em;
  color: var(--text);
  opacity: 0.5;
}
.cfd-nav__links {
  display: flex;
  align-items: center;
  gap: 30px;
}
.cfd-nav__link {
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.02em;
  color: var(--dim-2);
  transition: color 160ms ease;
}
.cfd-nav__link:hover { color: var(--text); }
.cfd-nav__link--current {
  color: var(--text);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.cfd-nav__link--current::before {
  content: "";
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--brass);
  display: block;
}

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 18px;
  font-family: inherit;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.03em;
  border-radius: 2px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 160ms ease, color 160ms ease, border-color 160ms ease, transform 160ms ease;
  line-height: 1;
}
.btn--brass {
  background: var(--brass);
  color: #1A1A1C;
}
.btn--brass:hover {
  background: #c9a649;
}
.btn--ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border-strong);
}
.btn--ghost:hover {
  border-color: var(--brass);
  color: var(--brass);
}
.btn--sm {
  padding: 9px 14px;
  font-size: 12px;
}

/* ---------- EYEBROW ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 18px 0;
}
.eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--brass);
  display: block;
}
.eyebrow__label {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.32em;
  color: var(--brass);
  text-transform: uppercase;
}

/* ---------- LAYOUT ---------- */
.shell {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 32px;
}
.section {
  padding: 80px 0;
}

/* ---------- TYPOGRAPHY ---------- */
h1, h2, h3, h4 {
  font-family: inherit;
  font-weight: 500;
  color: var(--text);
  margin: 0;
  letter-spacing: -0.01em;
  line-height: 1.15;
}
.page-h1 {
  font-size: clamp(40px, 5.4vw, 64px);
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1.05;
  margin: 0 0 22px 0;
}
.page-h1 em {
  font-style: italic;
  font-weight: 400;
  color: var(--dim-2);
}
.subhead {
  font-size: 18px;
  color: var(--dim-2);
  font-weight: 400;
  line-height: 1.55;
  max-width: 560px;
  margin: 0;
}

/* ---------- FOOTER ---------- */
.cfd-footer {
  border-top: 1px solid var(--border);
  margin-top: 80px;
  padding: 48px 0 56px 0;
}
.cfd-footer__row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}
.cfd-footer__copy {
  font-size: 12px;
  color: var(--dim);
  letter-spacing: 0.02em;
}
.cfd-footer__links {
  display: flex;
  gap: 24px;
}
.cfd-footer__link {
  font-size: 12px;
  color: var(--dim);
  letter-spacing: 0.02em;
  transition: color 160ms ease;
}
.cfd-footer__link:hover { color: var(--text); }

/* ---------- ARTICLE CARDS (index + related) ---------- */
.cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid var(--border);
}
.card {
  display: grid;
  grid-template-columns: 200px 1fr auto;
  gap: 48px;
  align-items: start;
  padding: 36px 0;
  border-bottom: 1px solid var(--border);
  transition: padding 200ms ease;
}
.card--linked {
  cursor: pointer;
}
.card--linked:hover .card__title {
  color: var(--brass);
}
.card--linked:hover .card__arrow {
  color: var(--brass);
  transform: translateX(4px);
}
.card__meta {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-top: 6px;
}
.card__tag {
  display: inline-flex;
  align-self: flex-start;
  padding: 5px 10px;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--brass);
  background: var(--brass-dim);
  border-radius: 2px;
}
.card__date {
  font-size: 12px;
  color: var(--dim);
  letter-spacing: 0.02em;
}
.card__body {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.card__title {
  font-size: 24px;
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: -0.01em;
  transition: color 160ms ease;
}
.card__desc {
  font-size: 15px;
  color: var(--dim-2);
  line-height: 1.55;
  max-width: 56ch;
}
.card__cta {
  align-self: end;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--brass);
  letter-spacing: 0.02em;
}
.card__arrow {
  display: inline-block;
  transition: transform 200ms ease, color 160ms ease;
}
.card--soon {
  opacity: 0.62;
  cursor: default;
}
.card--soon .card__tag {
  color: var(--dim);
  background: rgba(245, 240, 232, 0.05);
}
.card--soon .card__cta {
  color: var(--dim);
}

/* ---------- ARTICLE LAYOUT ---------- */
.article-header {
  padding: 160px 0 56px 0;
  border-bottom: 1px solid var(--border);
}
.article-header__inner {
  max-width: 880px;
  margin: 0 auto;
  padding: 0 32px;
}
.article-header__tag {
  display: inline-flex;
  align-items: center;
  padding: 5px 10px;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--brass);
  background: var(--brass-dim);
  border-radius: 2px;
  margin-bottom: 28px;
}
.article-title {
  font-size: clamp(32px, 4.4vw, 52px);
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1.08;
  margin: 0 0 28px 0;
  max-width: 18ch;
}
.article-meta {
  display: flex;
  gap: 20px;
  align-items: center;
  font-size: 13px;
  color: var(--dim);
  letter-spacing: 0.02em;
}
.article-meta__dot {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--border-strong);
}

.prose-wrap {
  padding: 64px 0;
}
.prose {
  max-width: var(--prose);
  margin: 0 auto;
  padding: 0 32px;
  font-size: 17px;
  line-height: 1.72;
  color: var(--text);
}
.prose > p {
  margin: 0 0 22px 0;
  color: var(--dim-2);
}
.prose > p:first-child {
  font-size: 19px;
  line-height: 1.6;
  color: var(--text);
}
.prose strong {
  color: var(--text);
  font-weight: 500;
}
.prose em {
  font-style: italic;
}
.prose h2 {
  font-size: 26px;
  font-weight: 500;
  letter-spacing: -0.01em;
  margin: 56px 0 20px 0;
  line-height: 1.2;
}
.prose h3 {
  font-size: 18px;
  font-weight: 500;
  letter-spacing: 0.005em;
  margin: 36px 0 10px 0;
  color: var(--text);
}
.prose h3 .price {
  color: var(--brass);
  font-weight: 500;
  margin-left: 8px;
  font-size: 15px;
  letter-spacing: 0.02em;
}
.prose ul, .prose ol {
  margin: 0 0 22px 0;
  padding-left: 22px;
  color: var(--dim-2);
}
.prose li { margin-bottom: 8px; }
.prose a {
  color: var(--brass);
  border-bottom: 1px solid rgba(184, 150, 62, 0.3);
  transition: border-color 160ms ease;
}
.prose a:hover { border-bottom-color: var(--brass); }

.prose code {
  font-family: "SF Mono", ui-monospace, "JetBrains Mono", Menlo, Consolas, monospace;
  font-size: 14px;
  padding: 2px 6px;
  background: var(--surface);
  border-radius: 2px;
  color: var(--brass);
  border: 1px solid var(--border);
}

/* Section eyebrow inside prose */
.prose-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin: 56px 0 16px 0;
}
.prose-eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--brass);
  display: block;
}
.prose-eyebrow__label {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.32em;
  color: var(--brass);
  text-transform: uppercase;
}

/* Pull quote */
.pullquote {
  border-left: 2px solid var(--brass);
  padding: 4px 0 4px 24px;
  margin: 36px 0;
  font-size: 22px;
  line-height: 1.45;
  letter-spacing: -0.005em;
  color: var(--text);
  font-weight: 400;
}

/* Section divider */
.prose-divider {
  border: 0;
  width: 40px;
  height: 1px;
  background: var(--border-strong);
  margin: 48px auto;
}

/* Pricing cards in article */
.price-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  margin: 28px 0 32px 0;
}
.price-cell {
  background: var(--surface);
  padding: 22px 22px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.price-cell__label {
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--dim);
  font-weight: 500;
}
.price-cell__value {
  font-size: 22px;
  color: var(--text);
  font-weight: 500;
  letter-spacing: -0.01em;
}
.price-cell__note {
  font-size: 12px;
  color: var(--dim);
}

/* FAQ */
.faq {
  margin: 16px 0 28px 0;
}
.faq__item {
  padding: 24px 0;
  border-top: 1px solid var(--border);
}
.faq__item:last-child {
  border-bottom: 1px solid var(--border);
}
.faq__q {
  font-size: 16px;
  font-weight: 500;
  color: var(--text);
  margin: 0 0 10px 0;
  letter-spacing: 0;
  line-height: 1.4;
}
.faq__q::before {
  content: "Q.";
  color: var(--brass);
  margin-right: 10px;
  font-weight: 500;
}
.faq__a {
  margin: 0;
  color: var(--dim-2);
  font-size: 16px;
  line-height: 1.65;
}

/* ---------- ARTICLE FOOTER COMPONENTS ---------- */
.article-cta {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 56px 0;
  margin-top: 48px;
}
.article-cta__inner {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 32px;
  text-align: left;
}
.article-cta__line {
  font-size: 17px;
  color: var(--dim-2);
  margin: 0 0 22px 0;
  max-width: 520px;
  line-height: 1.5;
}
.article-cta__buttons {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.author {
  padding: 48px 0 8px 0;
}
.author__inner {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 32px;
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 20px;
  align-items: start;
}
.author__avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--surface);
  border: 1px solid var(--border-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: var(--brass);
  font-weight: 500;
  letter-spacing: 0.04em;
}
.author__label {
  font-size: 10px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--brass);
  margin: 0 0 6px 0;
  font-weight: 500;
}
.author__name {
  font-size: 16px;
  font-weight: 500;
  margin: 0 0 6px 0;
  color: var(--text);
}
.author__bio {
  font-size: 14px;
  color: var(--dim-2);
  line-height: 1.6;
  margin: 0;
  max-width: 56ch;
}

.related {
  padding: 32px 0 8px 0;
}
.related__inner {
  max-width: 880px;
  margin: 0 auto;
  padding: 0 32px;
}
.related__eyebrow {
  margin-bottom: 22px;
}
.related__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}
.related__card {
  background: var(--surface);
  padding: 28px 26px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: background 160ms ease;
  cursor: pointer;
}
.related__card:hover {
  background: var(--surface-2);
}
.related__card:hover .related__title {
  color: var(--brass);
}
.related__card:hover .related__arrow {
  color: var(--brass);
  transform: translateX(4px);
}
.related__tag {
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--brass);
  font-weight: 500;
}
.related__title {
  font-size: 17px;
  font-weight: 500;
  line-height: 1.3;
  color: var(--text);
  transition: color 160ms ease;
  margin: 0;
}
.related__bottom {
  margin-top: auto;
  padding-top: 12px;
  font-size: 12px;
  color: var(--dim);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.related__arrow {
  color: var(--dim);
  transition: transform 200ms ease, color 160ms ease;
  display: inline-block;
}
.related__card--soon {
  opacity: 0.62;
  cursor: default;
}
.related__card--soon:hover { background: var(--surface); }
.related__card--soon:hover .related__title { color: var(--text); }
.related__card--soon:hover .related__arrow { color: var(--dim); transform: none; }
.related__card--soon .related__tag {
  color: var(--dim);
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 820px) {
  .cfd-nav { padding: 14px 20px; }
  .cfd-nav__links { gap: 18px; }
  .cfd-nav__link--hide-sm { display: none; }
  .shell { padding: 0 22px; }
  .section { padding: 56px 0; }
  .card {
    grid-template-columns: 1fr;
    gap: 14px;
    padding: 28px 0;
  }
  .card__meta { flex-direction: row; gap: 14px; align-items: center; }
  .card__cta { align-self: start; }
  .prose { padding: 0 22px; font-size: 16px; }
  .article-header { padding: 130px 0 40px 0; }
  .article-header__inner { padding: 0 22px; }
  .article-title { font-size: 32px; }
  .price-grid { grid-template-columns: 1fr; }
  .related__grid { grid-template-columns: 1fr; }
  .author__inner { padding: 0 22px; }
  .article-cta__inner { padding: 0 22px; }
}