/* Components: nav, footer, hero, card, table, FAQ, byline, breadcrumbs.
 * Mobile-first. Desktop overrides in @media (min-width: 768px). */

/* ----- Trust strip (top bar) ----- */
.trust-strip {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  font-size: var(--fs-0);
  padding: var(--sp-2) 0;
  border-bottom: 1px solid rgba(212, 175, 55, 0.2);
}
.trust-strip__inner {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
  justify-content: center;
  align-items: center;
}
.trust-strip__item {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
  opacity: 0.85;
  font-size: 0.75rem;
}
@media (min-width: 768px) {
  .trust-strip__inner { justify-content: space-between; }
  .trust-strip__item { font-size: var(--fs-0); }
}

/* ----- Top nav (white) ----- */
.site-nav {
  background: #FFFFFF;
  color: var(--color-primary);
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 2px 12px rgba(11, 20, 38, 0.06);
  position: sticky;
  top: 0;
  z-index: 100;
}
.site-nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-h);
  padding: var(--sp-2) var(--sp-3);
  gap: var(--sp-3);
}
@media (min-width: 768px) {
  .site-nav__inner { padding: var(--sp-2) var(--sp-4); }
}
.site-nav__brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  line-height: 0;
}
.site-nav__brand-logo {
  display: block;
  height: 32px;
  width: auto;
  max-width: 170px;
}
@media (min-width: 480px) { .site-nav__brand-logo { height: 38px; max-width: 200px; } }
@media (min-width: 768px) { .site-nav__brand-logo { height: 46px; max-width: 240px; } }
.site-nav__toggle {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  background: var(--color-primary);
  border: 1px solid var(--color-primary);
  color: #fff;
  padding: var(--sp-2) var(--sp-3);
  border-radius: var(--radius-md);
  font-size: var(--fs-1);
  font-weight: 700;
  letter-spacing: 0.02em;
  cursor: pointer;
}
.site-nav__toggle-bars {
  display: inline-block;
  width: 18px;
  height: 2px;
  background: #fff;
  position: relative;
}
.site-nav__toggle-bars::before,
.site-nav__toggle-bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  background: #fff;
}
.site-nav__toggle-bars::before { top: -6px; }
.site-nav__toggle-bars::after { top: 6px; }
.site-nav__nav { display: contents; }
.site-nav__menu {
  display: none;
  list-style: none;
  margin: 0;
  padding: 0;
}
.site-nav__menu.is-open {
  display: block;
  position: absolute;
  left: 0;
  right: 0;
  top: 100%;
  background: #FFFFFF;
  border-top: 1px solid var(--color-border);
  border-bottom: 2px solid var(--color-accent);
  padding: var(--sp-3) var(--sp-4) var(--sp-4);
  z-index: 50;
  box-shadow: 0 12px 24px rgba(11, 20, 38, 0.1);
}
.site-nav__group-label {
  display: block;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent-hover);
  padding: var(--sp-3) 0 var(--sp-2) 0;
  margin: 0;
}
.site-nav__menu li { margin: 0; }
.site-nav__menu a {
  display: block;
  padding: var(--sp-3) var(--sp-2);
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: 1px solid var(--color-border);
  font-weight: 600;
  font-size: var(--fs-1);
  transition: color 0.15s ease, background 0.15s ease;
  border-radius: var(--radius-sm);
}
.site-nav__menu a:hover { color: var(--color-accent-hover); background: rgba(212, 175, 55, 0.08); }
.site-nav__primary-link { font-weight: 700; }
.site-nav__link-accent {
  color: var(--color-accent) !important;
  font-weight: 700 !important;
}
.site-nav__divider {
  height: 1px;
  background: var(--color-border);
  margin: var(--sp-2) 0;
  border: 0;
  pointer-events: none;
  list-style: none;
}

@media (min-width: 1024px) {
  .site-nav__toggle { display: none; }
  .site-nav__menu {
    display: flex !important;
    position: static;
    background: transparent;
    border: 0;
    padding: 0;
    gap: var(--sp-1);
    align-items: center;
    box-shadow: none;
  }
  .site-nav__menu a {
    padding: var(--sp-2) var(--sp-3);
    border-bottom: none;
    border-radius: var(--radius-md);
    position: relative;
  }
  .site-nav__menu a:hover::after,
  .site-nav__primary-link::after {
    content: "";
    position: absolute;
    left: var(--sp-3);
    right: var(--sp-3);
    bottom: 4px;
    height: 2px;
    background: var(--color-accent);
    border-radius: 2px;
  }
  .site-nav__group-label { display: none; }
  .site-nav__divider {
    height: 18px;
    width: 1px;
    margin: 0 var(--sp-2);
    background: var(--color-border-strong);
  }
}

/* ----- Breadcrumbs (compact) ----- */
.breadcrumbs {
  font-size: 0.6875rem;
  color: var(--color-text-muted);
  padding: var(--sp-2) 0 0 0;
}
.breadcrumbs ol { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: var(--sp-1); }
.breadcrumbs li::after { content: " / "; color: var(--color-border-strong); padding: 0 var(--sp-2); }
.breadcrumbs li:last-child::after { content: ""; }
.breadcrumbs a { color: var(--color-text-muted); text-decoration: none; }
.breadcrumbs a:hover { color: var(--color-secondary); text-decoration: underline; }

/* ----- Hero / page header (Hard Rule 4: ≤ 360px mobile / ≤ 280px desktop) ----- */
.page-header {
  padding: var(--sp-2) 0 0 0;
  position: relative;
}
.page-header__kicker {
  display: inline-block;
  font-size: 0.625rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent-hover);
  font-weight: 700;
  margin: 0 0 4px 0;
}
.page-header h1 {
  font-size: var(--fs-4);
  margin: 0 0 4px 0;
  color: var(--color-primary);
  line-height: 1.15;
  font-weight: 700;
}
@media (min-width: 768px) { .page-header h1 { font-size: var(--fs-5); } }
.page-header__lede { display: none; }
@media (min-width: 1024px) {
  .page-header__lede {
    display: block;
    font-size: var(--fs-1);
    color: var(--color-text-muted);
    margin: 4px 0 0 0;
    max-width: 680px;
    line-height: 1.4;
  }
}

/* ----- Byline (compact, single row) ----- */
.byline {
  display: flex;
  flex-wrap: wrap;
  gap: 2px var(--sp-2);
  font-size: 0.6875rem;
  color: var(--color-text-muted);
  margin: var(--sp-2) 0 0 0;
  padding: 4px 0;
  border-top: 1px solid var(--color-border);
}
.byline span::after { content: " · "; color: var(--color-border-strong); padding-left: var(--sp-1); }
.byline span:last-child::after { content: ""; }
.byline a { color: var(--color-secondary); font-weight: 600; }

/* ----- Toplist (compact, dense, above-the-fold optimized) ----- */
.toplist {
  margin: var(--sp-2) 0 var(--sp-8) 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-raised);
  padding: var(--sp-3) var(--sp-3);
}
.toplist__header {
  text-align: left;
  margin-bottom: var(--sp-3);
  padding-bottom: var(--sp-2);
  border-bottom: 1px solid var(--color-border);
}
h2.toplist__title,
.toplist__title {
  font-family: var(--font-serif);
  font-size: var(--fs-3);
  color: var(--color-primary);
  margin: 0;
  padding: 0;
  border: 0;
  font-weight: 700;
  line-height: 1.2;
}
@media (min-width: 768px) {
  h2.toplist__title, .toplist__title { font-size: var(--fs-4); }
}
.toplist__subtitle {
  font-size: 0.6875rem;
  color: var(--color-text-muted);
  margin: 2px 0 0 0;
  letter-spacing: 0.02em;
}
.toplist__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: var(--sp-2);
}
.toplist__card {
  display: grid;
  grid-template-columns: 30px minmax(60px, 90px) minmax(0, 1fr);
  grid-template-areas:
    "rank logo info"
    "cta  cta  cta";
  column-gap: var(--sp-2);
  row-gap: var(--sp-2);
  padding: var(--sp-2) var(--sp-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-raised);
  position: relative;
  align-items: center;
  min-width: 0;
}
.toplist__card--featured {
  border: 2px solid var(--color-accent);
  background: #FFFDF5;
}
.toplist__rank-col {
  grid-area: rank;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}
.toplist__rank {
  font-family: var(--font-serif);
  font-size: var(--fs-4);
  color: var(--color-accent-hover);
  font-weight: 800;
  line-height: 1;
}
.toplist__ribbon {
  display: none; /* hidden on mobile to save space; shown desktop only */
}
.toplist__ribbon--gold {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-hover) 100%);
  color: var(--color-text-on-accent);
}
.toplist__ribbon--silver {
  background: linear-gradient(135deg, #C0C9D2 0%, #8E97A1 100%);
  color: #fff;
}
.toplist__logo-col {
  grid-area: logo;
  display: flex;
  align-items: center;
  justify-content: center;
}
.toplist__logo {
  max-width: 100%;
  max-height: 44px;
  width: auto;
  height: auto;
  object-fit: contain;
}
@media (min-width: 768px) {
  .toplist__logo { max-height: 56px; }
}
.toplist__logo--text {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 90px;
  max-width: 100%;
  height: 44px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  color: #fff;
  border-radius: var(--radius-sm);
  padding: 0 var(--sp-2);
  font-weight: 700;
  font-size: var(--fs-1);
  text-align: center;
  line-height: 1.1;
}
.toplist__logo-text { display: block; }
.toplist__brand-block {
  grid-area: info;
  display: grid;
  grid-template-columns: 1fr auto;
  column-gap: var(--sp-2);
  row-gap: 2px;
  align-items: center;
}
.toplist__brand {
  font-weight: 700;
  color: var(--color-primary);
  font-size: var(--fs-2);
  font-family: var(--font-sans);
  line-height: 1.15;
}
.toplist__best-for {
  grid-column: 1 / -1;
  font-size: 0.625rem;
  color: var(--color-secondary);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  line-height: 1.2;
}
.toplist__bonus-label { display: none; }
.toplist__bonus {
  grid-column: 1 / -1;
  display: inline-block;
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-hover) 100%);
  color: var(--color-text-on-accent);
  font-size: var(--fs-1);
  font-weight: 800;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  margin: 2px 0 0 0;
  line-height: 1.3;
  box-shadow: 0 1px 3px rgba(212, 175, 55, 0.3);
  border: 1px solid rgba(184, 148, 31, 0.4);
  max-width: 100%;
}
.toplist__rating {
  justify-self: end;
  align-self: start;
  color: var(--color-accent-hover);
  font-size: 0.75rem;
  font-weight: 700;
  white-space: nowrap;
}
.toplist__rating-of { color: var(--color-text-muted); font-weight: 500; font-size: 0.625rem; }
.toplist__cta-col {
  grid-area: cta;
  display: flex;
  flex-direction: column;
  gap: 2px;
  align-items: stretch;
}
.toplist__cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-hover) 100%);
  color: var(--color-text-on-accent);
  padding: var(--sp-2) var(--sp-3);
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-weight: 800;
  text-align: center;
  font-size: var(--fs-1);
  letter-spacing: 0.02em;
  box-shadow: 0 2px 5px rgba(212, 175, 55, 0.3);
  border: 1px solid rgba(184, 148, 31, 0.5);
}
.toplist__cta:hover { color: var(--color-text-on-accent); filter: brightness(1.05); }
.toplist__cta-sub {
  text-align: center;
  font-size: 0.625rem;
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
}

@media (min-width: 768px) {
  .toplist__card {
    grid-template-columns: 40px 140px 1fr auto;
    grid-template-areas: "rank logo info cta";
    align-items: center;
    column-gap: var(--sp-4);
  }
  .toplist__brand-block { grid-template-columns: 1fr; }
  .toplist__rating { justify-self: start; margin-top: 2px; }
  .toplist__cta-col { min-width: 140px; }
  .toplist__ribbon {
    display: inline-block;
    font-size: 0.5625rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 2px 6px;
    border-radius: 3px;
    white-space: nowrap;
    line-height: 1.2;
  }
  .toplist__bonus { font-size: var(--fs-2); padding: 5px 12px; }
}

/* ----- Generic content tables ----- */
.content-table { width: 100%; border-collapse: collapse; margin: var(--sp-6) 0; font-size: var(--fs-1); }
.content-table th, .content-table td { text-align: left; padding: var(--sp-3); border-bottom: 1px solid var(--color-border); }
.content-table th { background: var(--color-surface-alt); font-weight: 700; color: var(--color-primary); }

/* ----- FAQ ----- */
.faq { margin: var(--sp-8) 0; }
.faq__item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--sp-4);
  background: var(--color-surface-raised);
  margin-bottom: var(--sp-3);
}
.faq__q { font-weight: 700; color: var(--color-primary); margin: 0 0 var(--sp-2) 0; cursor: pointer; }
.faq__q:hover { color: var(--color-secondary); }
.faq__a { color: var(--color-text); margin: var(--sp-3) 0 0 0; line-height: 1.65; }

/* ----- Footer ----- */
.site-footer {
  background: linear-gradient(180deg, var(--color-primary) 0%, #050C18 100%);
  color: var(--color-text-inverse);
  padding: var(--sp-8) 0 var(--sp-4) 0;
  margin-top: var(--sp-16);
  border-top: 3px solid var(--color-accent);
}
.site-footer__grid { display: grid; gap: var(--sp-5); grid-template-columns: 1fr 1fr; }
@media (min-width: 640px) { .site-footer__grid { grid-template-columns: repeat(4, 1fr); gap: var(--sp-6); } }
@media (min-width: 1024px) { .site-footer__grid { gap: var(--sp-8); } }
.site-footer h4 {
  color: var(--color-accent);
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin: 0 0 var(--sp-2) 0;
  font-weight: 800;
}
.site-footer ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 4px; }
.site-footer li { margin: 0; }
.site-footer p { margin: 0 0 var(--sp-2) 0; font-size: var(--fs-0); opacity: 0.8; line-height: 1.4; }
.site-footer a { color: var(--color-text-inverse); text-decoration: none; opacity: 0.85; transition: color 0.15s ease, opacity 0.15s ease; font-size: var(--fs-0); }
.site-footer a:hover { color: var(--color-accent); opacity: 1; }
.site-footer__bottom {
  margin-top: var(--sp-5);
  padding-top: var(--sp-3);
  border-top: 1px solid rgba(212, 175, 55, 0.15);
  font-size: 0.6875rem;
  color: rgba(250, 250, 250, 0.65);
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  justify-content: space-between;
}
.site-footer__rg-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  background: rgba(212, 175, 55, 0.1);
  border: 1px solid rgba(212, 175, 55, 0.4);
  padding: var(--sp-1) var(--sp-3);
  border-radius: var(--radius-md);
  color: var(--color-accent);
}

/* ----- Guide card grid ----- */
.guide-grid {
  display: grid;
  gap: var(--sp-4);
  grid-template-columns: 1fr;
  margin: var(--sp-6) 0;
}
@media (min-width: 768px) { .guide-grid { grid-template-columns: 1fr 1fr; } }
.guide-card {
  display: block;
  padding: var(--sp-5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-raised);
  text-decoration: none;
  color: var(--color-text);
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
  box-shadow: var(--shadow-sm);
}
.guide-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent);
  color: var(--color-text);
}
.guide-card__icon { font-size: 2rem; margin-bottom: var(--sp-2); line-height: 1; }
.guide-card__title {
  font-family: var(--font-serif);
  font-size: var(--fs-3);
  color: var(--color-primary);
  margin: 0 0 var(--sp-2) 0;
  font-weight: 700;
}
.guide-card__excerpt {
  font-size: var(--fs-1);
  color: var(--color-text-muted);
  line-height: 1.55;
  margin: 0 0 var(--sp-3) 0;
}
.guide-card__cta {
  font-size: var(--fs-1);
  color: var(--color-accent-hover);
  font-weight: 700;
}

/* ----- Construction badge for stub pages ----- */
.construction-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  background: rgba(217, 119, 6, 0.1);
  color: var(--color-warning);
  border: 1px solid rgba(217, 119, 6, 0.3);
  padding: var(--sp-2) var(--sp-3);
  border-radius: var(--radius-md);
  font-size: var(--fs-0);
  font-weight: 600;
  margin-bottom: var(--sp-4);
}

/* ----- Author bio ----- */
.bio {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: var(--sp-4);
  margin: var(--sp-4) 0 var(--sp-8) 0;
  padding: var(--sp-5);
  background: var(--color-surface-raised);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}
.bio__headshot {
  grid-row: 1 / span 2;
  width: 96px;
  height: 96px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--color-accent);
  box-shadow: 0 4px 12px rgba(212, 175, 55, 0.25);
}
.bio__name {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: var(--fs-3);
  color: var(--color-primary);
}
.bio__role {
  margin: 0;
  font-size: var(--fs-1);
  color: var(--color-text-muted);
}
@media (min-width: 768px) {
  .bio__headshot { width: 128px; height: 128px; }
  .bio__name { font-size: var(--fs-4); }
}

/* ----- Section dividers ----- */
.section-divider { border: 0; border-top: 1px solid var(--color-border); margin: var(--sp-10) 0; }

/* ----- Comparison table responsive wrapper ----- */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; margin: var(--sp-6) 0; border: 1px solid var(--color-border); border-radius: var(--radius-md); }
.table-wrap .content-table { min-width: 640px; margin: 0; }

/* ----- Pros/cons paired list ----- */
.pros-cons { display: grid; gap: var(--sp-4); grid-template-columns: 1fr; margin: var(--sp-4) 0; }
.pros-cons__col { padding: var(--sp-4); border: 1px solid var(--color-border); border-radius: var(--radius-md); background: var(--color-surface-raised); }
.pros-cons h4 { margin-top: 0; }
.pros-cons ul { padding-left: 1.25rem; }
@media (min-width: 768px) { .pros-cons { grid-template-columns: 1fr 1fr; } }

/* ----- Strategy chart ----- */
.strategy-chart { border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: var(--sp-4); margin: var(--sp-6) 0; background: var(--color-surface-raised); }
.strategy-chart table { width: 100%; border-collapse: collapse; font-size: var(--fs-0); font-family: var(--font-mono); }
.strategy-chart th, .strategy-chart td { border: 1px solid var(--color-border); padding: var(--sp-2); text-align: center; min-width: 28px; }
.strategy-chart .cell-h { background: #FEE2E2; color: #991B1B; }
.strategy-chart .cell-s { background: #DCFCE7; color: #166534; }
.strategy-chart .cell-d { background: #FEF3C7; color: #92400E; }
.strategy-chart .cell-p { background: #DBEAFE; color: #1E40AF; }
.strategy-chart .cell-su { background: #F3E8FF; color: #6B21A8; }
.strategy-chart caption { caption-side: top; font-weight: 700; text-align: left; padding-bottom: var(--sp-3); }
.strategy-chart__legend { display: flex; flex-wrap: wrap; gap: var(--sp-3); margin-top: var(--sp-3); font-size: var(--fs-0); }
.strategy-chart__legend span { padding: var(--sp-1) var(--sp-2); border-radius: var(--radius-sm); font-family: var(--font-mono); font-weight: 600; }

/* ----- Callout ----- */
.callout {
  background: var(--color-surface-raised);
  border-left: 4px solid var(--color-accent);
  padding: var(--sp-4) var(--sp-5);
  margin: var(--sp-6) 0;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  box-shadow: var(--shadow-sm);
}
.callout--strategy { border-left-color: var(--color-secondary); }
.callout--warning { border-left-color: var(--color-warning); background: rgba(217, 119, 6, 0.04); }
.callout strong { color: var(--color-primary); }

/* ----- Content emphasis ----- */
.intro {
  font-size: var(--fs-3);
  line-height: 1.7;
  color: var(--color-text);
  border-left: 3px solid var(--color-accent);
  padding-left: var(--sp-4);
  margin-bottom: var(--sp-6);
}
article h2 {
  font-size: var(--fs-5);
  margin-top: var(--sp-12);
  padding-bottom: var(--sp-2);
  border-bottom: 2px solid rgba(212, 175, 55, 0.25);
}
@media (min-width: 768px) {
  article h2 { font-size: var(--fs-6); }
}
article h3 {
  font-size: var(--fs-4);
  margin-top: var(--sp-8);
  color: var(--color-secondary);
}