/* layout.css — Editorial header/footer/nav/breadcrumbs */

/* === HEADER — magazine masthead === */
.site-header {
  position: sticky; top: 0; z-index: var(--z-sticky);
  background: var(--paper);
  border-bottom: 1px solid var(--ink-line);
}
.site-header__inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 76px;
  gap: var(--s5);
  position: relative;
}
.site-header::after {
  /* magazine masthead double-rule */
  content: ""; position: absolute;
  bottom: -4px; left: 0; right: 0;
  height: 1px;
  background: var(--ink-line);
}
.site-header__brand {
  display: inline-flex; align-items: center;
  gap: var(--s3);
  color: var(--ink);
  flex-shrink: 0;
}
@media (hover: hover) and (pointer: fine) {
  .site-header__brand:hover .site-header__name { color: var(--rust); }
}
.site-header__logo svg { width: 44px; height: 44px; display: block; }
.site-header__brand-text { display: inline-flex; flex-direction: column; gap: 1px; line-height: 1; }
.site-header__name {
  font-family: var(--font-display);
  font-weight: var(--fw-x);
  font-size: var(--fs-lg);
  letter-spacing: -0.02em;
  color: var(--ink);
}
.site-header__tag {
  font-family: var(--font-caption);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--ink-muted);
  font-weight: var(--fw-s);
}
@media (max-width: 540px) {
  .site-header__tag { display: none; }
  .site-header__logo svg { width: 36px; height: 36px; }
}

/* === NAV — editorial sections === */
.site-nav { align-self: stretch; display: flex; align-items: stretch; flex: 1 1 auto; justify-content: center; min-width: 0; }
.site-nav__list { list-style: none; margin: 0; padding: 0; display: flex; align-items: stretch; gap: 0; height: 100%; }
.site-nav__item { display: flex; align-items: center; position: static; }
.site-nav__top {
  display: inline-flex; align-items: center; gap: 6px;
  background: transparent; border: 0;
  color: var(--ink);
  font-family: var(--font-caption);
  font-size: var(--fs-xs);
  font-weight: var(--fw-s);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  padding: 10px var(--s4);
  min-height: 44px;
  cursor: pointer;
  text-decoration: none; white-space: nowrap;
  position: relative;
  transition: color var(--t-fast) var(--ease);
}
@media (hover: hover) and (pointer: fine) {
  .site-nav__top:hover { color: var(--rust); }
}
.site-nav__top::after {
  content: ""; position: absolute;
  bottom: 0; left: var(--s4); right: var(--s4);
  height: 2px; background: var(--rust);
  transform: scaleX(0); transform-origin: left;
  transition: transform var(--t-fast) var(--ease);
}
.site-nav__item.is-open > .site-nav__top::after,
.site-nav__item.is-active > .site-nav__top::after { transform: scaleX(1); }
@media (hover: hover) and (pointer: fine) {
  .site-nav__top:hover::after { transform: scaleX(1); }
}
.site-nav__chev { font-size: 12px; line-height: 1; color: var(--ink-muted); transition: transform var(--t-fast); }
.site-nav__item.is-open > .site-nav__top .site-nav__chev { transform: rotate(180deg); }

.site-nav__panel {
  position: absolute; top: 100%; left: 0; right: 0;
  padding-top: 1px; z-index: var(--z-elev);
  opacity: 0; pointer-events: none; transform: translateY(-4px);
  transition: opacity var(--t-fast), transform var(--t-fast);
}
.site-nav__panel[inert] { visibility: hidden; }
.site-nav__item.is-open > .site-nav__panel {
  opacity: 1; pointer-events: auto; transform: translateY(0); visibility: visible;
}
.site-nav__panel-inner {
  background: var(--paper);
  border-top: 1px solid var(--ink-line);
  border-bottom: 4px solid var(--ink);
  padding: var(--s6);
  display: grid;
  grid-template-columns: repeat(var(--panel-cols, 3), minmax(0, 1fr));
  gap: var(--s5) var(--s7);
  width: 100%;
  box-shadow: 0 8px 20px rgba(22,24,45,0.08);
}
.site-nav__col--span-2 { grid-column: span 2; }
.site-nav__col--span-3 { grid-column: span 3; }
.site-nav__col-list.site-nav__col-list--cols-2 { column-count: 2; column-gap: var(--s5); }
.site-nav__col-list.site-nav__col-list--cols-3 { column-count: 3; column-gap: var(--s5); }
.site-nav__col + .site-nav__col { position: relative; }
.site-nav__col + .site-nav__col::before {
  content: ""; position: absolute;
  left: calc(var(--s7) * -0.5); top: 0; bottom: 0;
  width: 1px; background: var(--ink-line);
}
.site-nav__col-head {
  font-family: var(--font-caption);
  font-size: 12px; font-weight: var(--fw-k);
  letter-spacing: 0.18em; text-transform: uppercase;
  margin: 0 0 var(--s3); color: var(--rust);
}
.site-nav__col-head a { color: var(--rust); text-decoration: none; }
.site-nav__col-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 2px; }
.site-nav__col-list a {
  display: flex; align-items: center;
  padding: 10px 0;
  min-height: var(--touch-target-min);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--fs-sm);
  text-decoration: none;
  border-left: 0;
  transition: color var(--t-fast);
}
@media (hover: hover) and (pointer: fine) {
  .site-nav__col-list a:hover { color: var(--rust); }
}
.site-nav__col-list a.is-active,
.site-nav__col-list a[aria-current="page"] { color: var(--rust); font-weight: var(--fw-s); }

.site-header__cta {
  display: inline-flex; align-items: center;
  padding: 10px var(--s5);
  min-height: var(--touch-target-min);
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-caption);
  font-weight: var(--fw-s);
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  border-radius: 0;
  text-decoration: none; white-space: nowrap;
  transition: background var(--t-fast), color var(--t-fast);
}
@media (hover: hover) and (pointer: fine) {
  .site-header__cta:hover { background: var(--rust); color: var(--paper); text-decoration: none; }
}

.site-header__toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--ink);
  color: var(--ink);
  width: 44px; height: 44px;
  cursor: pointer; position: relative; padding: 0;
}
.site-header__toggle .burger-bar {
  display: block; position: absolute;
  left: 10px; right: 10px; height: 2px;
  background: var(--ink);
  transition: transform var(--t-fast), opacity var(--t-fast), top var(--t-fast);
}
.site-header__toggle .burger-bar:nth-child(1) { top: 13px; }
.site-header__toggle .burger-bar:nth-child(2) { top: 21px; }
.site-header__toggle .burger-bar:nth-child(3) { top: 29px; }
.site-header[data-open="true"] .site-header__toggle .burger-bar:nth-child(1) { top: 21px; transform: rotate(45deg); }
.site-header[data-open="true"] .site-header__toggle .burger-bar:nth-child(2) { opacity: 0; }
.site-header[data-open="true"] .site-header__toggle .burger-bar:nth-child(3) { top: 21px; transform: rotate(-45deg); }

@media (max-width: 960px) {
  .site-nav, .site-header__cta { display: none; }
  .site-header__toggle { display: inline-flex; align-items: center; justify-content: center; }
  .site-header[data-open="true"] .site-nav,
  .site-header[data-open="true"] .site-header__cta {
    display: flex; position: absolute; top: 76px; left: 0; right: 0;
    background: var(--paper);
    border-top: 1px solid var(--ink-line);
    border-bottom: 4px solid var(--ink);
    padding: var(--s4); align-items: stretch;
    box-shadow: 0 12px 28px rgba(22,24,45,0.10);
    max-height: calc(100dvh - 76px); overflow-y: auto;
    flex-direction: column;
  }
  .site-header[data-open="true"] .site-nav__list { flex-direction: column; gap: 0; width: 100%; }
  .site-header[data-open="true"] .site-nav__item { width: 100%; }
  .site-header[data-open="true"] .site-nav__top {
    width: 100%; justify-content: space-between;
    padding: var(--s3) 0; min-height: 52px;
    border-bottom: 1px solid var(--ink-line);
    font-size: var(--fs-sm);
  }
  .site-header[data-open="true"] .site-nav__top::after { display: none; }
  .site-header[data-open="true"] .site-nav__panel {
    position: static; transform: none; opacity: 1; visibility: visible; pointer-events: none;
    padding: 0; z-index: auto;
    display: grid; grid-template-rows: 0fr;
    transition: grid-template-rows var(--t-base) var(--ease);
    background: transparent; box-shadow: none; border: 0;
  }
  .site-header[data-open="true"] .site-nav__panel > .site-nav__panel-inner { overflow: hidden; min-height: 0; }
  .site-header[data-open="true"] .site-nav__item.is-open > .site-nav__panel { grid-template-rows: 1fr; pointer-events: auto; }
  .site-header[data-open="true"] .site-nav__panel-inner {
    background: var(--paper-dark);
    border: 0; box-shadow: none;
    padding: var(--s4) 0; margin: 0;
    display: flex; flex-direction: column; gap: var(--s3);
  }
  .site-header[data-open="true"] .site-nav__col + .site-nav__col::before { display: none; }
  .site-header[data-open="true"] .site-nav__col-list.site-nav__col-list--cols-2,
  .site-header[data-open="true"] .site-nav__col-list.site-nav__col-list--cols-3 {
    display: flex; flex-direction: column; column-count: auto;
  }
  .site-header[data-open="true"] .site-header__cta {
    justify-content: center; margin: var(--s3) 0 0;
    padding: 14px var(--s4); min-height: 48px;
  }
}
html.has-open-menu, body.has-open-menu { overflow: hidden; }

/* === RG STRIP — editorial slim warning rail === */
.rg-strip {
  background: var(--ink-bg);
  color: var(--paper);
  font-family: var(--font-caption);
  font-size: var(--fs-xs);
}
.rg-strip__inner {
  display: flex; flex-wrap: wrap; align-items: center;
  gap: var(--s3); padding: var(--s2) 0;
  color: var(--ink-inverse-2);
}
.rg-strip__badge {
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--rust); color: var(--paper);
  font-family: var(--font-caption);
  font-weight: var(--fw-k);
  min-width: 28px; padding: 2px 8px;
  font-size: 14px; letter-spacing: 0.08em;
}
.rg-strip a { color: var(--paper); text-decoration: underline; text-decoration-color: var(--rust); text-decoration-thickness: 1px; }
@media (hover: hover) and (pointer: fine) {
  .rg-strip a:hover { color: var(--rust-bright); text-decoration: none; }
}

/* === BREADCRUMBS — editorial slug trail === */
.breadcrumbs {
  padding: var(--s5) 0 var(--s2);
  font-family: var(--font-caption);
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--ink-muted);
}
.breadcrumbs ol {
  display: flex; flex-wrap: wrap; gap: var(--s2);
  padding: 0; margin: 0; list-style: none;
}
.breadcrumbs li { display: inline-flex; align-items: center; gap: var(--s2); }
.breadcrumbs li + li::before {
  content: "·"; color: var(--ink-muted); margin: 0 var(--s1);
  font-weight: var(--fw-b);
}
.breadcrumbs a {
  color: var(--ink-muted); text-decoration: none;
  font-weight: var(--fw-s);
  transition: color var(--t-fast);
}
@media (hover: hover) and (pointer: fine) {
  .breadcrumbs a:hover { color: var(--rust); text-decoration: underline; }
}
.breadcrumbs [aria-current="page"] { color: var(--ink); font-weight: var(--fw-b); }

/* === Content wrap === */
.content-wrap { padding: 0 0 var(--s10); }
.article-body { color: var(--ink); }
.article-body > *:first-child { margin-top: 0; }

/* === FOOTER — editorial colophon === */
.site-footer {
  background: var(--ink-bg);
  color: var(--ink-inverse-2);
  padding: var(--s9) 0 var(--s5);
  margin-top: var(--s12);
  font-family: var(--font-caption);
  font-size: var(--fs-sm);
  border-top: 6px solid var(--rust);
}
.site-footer a { color: var(--paper); text-decoration: underline; text-decoration-color: rgba(250,246,239,0.35); }
@media (hover: hover) and (pointer: fine) {
  .site-footer a:hover { color: var(--rust-bright); text-decoration-color: currentColor; }
}
.site-footer__brand-row { margin-bottom: var(--s7); padding-bottom: var(--s6); border-bottom: 1px solid rgba(250,246,239,0.18); }
.site-footer__brand { display: inline-flex; align-items: center; gap: var(--s3); color: var(--paper); text-decoration: none; }
.site-footer__logo svg { width: 48px; height: 48px; display: block; }
.site-footer__brand-text { display: inline-flex; flex-direction: column; gap: 2px; line-height: 1.2; }
.site-footer__name {
  font-family: var(--font-display);
  font-weight: var(--fw-x); font-size: var(--fs-lg);
  color: var(--paper); letter-spacing: -0.02em;
}
.site-footer__tag {
  font-family: var(--font-caption);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: rgba(250,246,239,0.55);
}
.site-footer__grid {
  display: grid; grid-template-columns: repeat(5, 1fr);
  gap: var(--s6); margin-bottom: var(--s7);
}
@media (max-width: 1080px) { .site-footer__grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 760px)  { .site-footer__grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px)  { .site-footer__grid { grid-template-columns: 1fr; } }
.site-footer__col h3 {
  font-family: var(--font-caption);
  font-size: 12px; text-transform: uppercase; letter-spacing: 0.18em;
  color: var(--rust-bright); margin-bottom: var(--s4);
  font-weight: var(--fw-k);
}
.site-footer__col ul { list-style: none; padding: 0; margin: 0; }
.site-footer__col li { margin: 0 0 var(--s2); }
.site-footer__col a { color: rgba(250,246,239,0.85); text-decoration: none; font-size: var(--fs-sm); }
@media (hover: hover) and (pointer: fine) {
  .site-footer__col a:hover { color: var(--paper); text-decoration: underline; }
}
.site-footer__trust {
  padding: var(--s5) 0 var(--s3);
  border-top: 1px solid rgba(250,246,239,0.18);
  display: flex; flex-wrap: wrap; gap: var(--s4); align-items: center;
  font-size: var(--fs-xs); color: rgba(250,246,239,0.7);
}
.site-footer__trust .age-badge {
  background: var(--rust); color: var(--paper);
  font-weight: var(--fw-k); padding: 3px 10px;
  font-size: 12px; letter-spacing: 0.06em;
}
.site-footer__rg-note {
  padding: var(--s3) 0 var(--s4);
  border-top: 1px solid rgba(250,246,239,0.18);
  font-size: 12px; color: rgba(250,246,239,0.55); line-height: 1.55;
}
.site-footer__bottom {
  padding-top: var(--s4);
  border-top: 1px solid rgba(250,246,239,0.18);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(250,246,239,0.55);
  display: flex; flex-wrap: wrap; gap: var(--s4);
  justify-content: space-between; align-items: center;
}
.site-footer__legal { display: inline-flex; flex-wrap: wrap; gap: var(--s4); }