/* Punk Rock AI — page-level layout. Header, footer, nav, grid, hero.
   Page-specific layout lives in css/widgets/*.css.
   --------------------------------------------------------------------- */

.shell {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.shell > main {
  flex: 1 0 auto;
}

.wrap {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.wrap--narrow {
  max-width: var(--max-w-narrow);
}

/* ------------------------------------------------------------------
   SITE HEADER — loaded via partials/header.html through
   js/common/header.js. Two stripes: brand row + nav row.
   ------------------------------------------------------------------ */

:root {
  /* Matches .site-header's sticky height: stacked brand/nav on mobile,
     single-row header on desktop. Used by sticky elements and anchors. */
  --site-header-height: 5.1rem;
}

@media (min-width: 721px) {
  :root {
    --site-header-height: 3.6rem;
  }
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--bg);
  border-bottom: 3px solid var(--accent);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-block: 0.9rem;
}

.site-header__brand {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: var(--fs-md);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--fg);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
}

.site-header__brand::before {
  content: "";
  display: inline-block;
  width: 0.7rem;
  height: 0.7rem;
  background: var(--accent);
  transform: rotate(45deg);
}

.site-header__brand:hover,
.site-header__brand:focus-visible {
  color: var(--fg);
  outline: none;
}

.site-header__brand:hover::before {
  background: var(--fg);
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  font-size: var(--fs-sm);
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.site-nav a {
  color: var(--fg-soft);
  text-decoration: none;
  padding: 0.2rem 0;
  border-bottom: 2px solid transparent;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.site-nav a[aria-current="page"] {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

@media (max-width: 720px) {
  .site-header__inner {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-2);
    padding-block: 0.75rem;
  }
  .site-nav {
    gap: var(--space-2);
    font-size: var(--fs-xs);
  }
}

/* ------------------------------------------------------------------
   SITE FOOTER
   ------------------------------------------------------------------ */

.site-footer {
  border-top: 1px solid var(--border);
  margin-top: var(--space-7);
  padding-block: var(--space-5);
  font-size: var(--fs-sm);
  color: var(--muted);
}

.site-footer__inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-4);
  align-items: end;
}

.site-footer__inner a {
  color: var(--muted);
}

.site-footer__inner a:hover {
  color: var(--accent);
}

.site-footer__motto {
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--fs-md);
  color: var(--fg-soft);
}

@media (max-width: 720px) {
  .site-footer__inner {
    grid-template-columns: 1fr;
  }
}

/* ------------------------------------------------------------------
   HERO — used on landing. Brutalist masthead.
   ------------------------------------------------------------------ */

.hero {
  position: relative;
  padding-block: var(--space-6) var(--space-7);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}

.hero__date {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--accent);
  margin-bottom: var(--space-3);
}

.hero__title {
  font-size: var(--fs-3xl);
  margin: 0 0 var(--space-3);
}

.hero__title em {
  font-style: italic;
  color: var(--accent);
}

.hero__lede {
  font-family: var(--font-display);
  font-size: var(--fs-xl);
  line-height: 1.25;
  max-width: 36ch;
  color: var(--fg-soft);
  margin: 0 0 var(--space-4);
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

/* ------------------------------------------------------------------
   SECTION — generic page section
   ------------------------------------------------------------------ */

.section {
  padding-block: var(--space-6);
  border-bottom: 1px solid var(--border);
}

.section:last-of-type {
  border-bottom: 0;
}

.section__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.section__title {
  margin: 0;
}

/* card grid for nav tiles to widgets */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: var(--space-3);
  list-style: none;
  padding: 0;
  margin: 0;
}

.card {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-4);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  text-decoration: none;
  color: var(--fg);
  transition: transform 160ms var(--ease-snap),
    border-color 160ms var(--ease-snap), background 160ms var(--ease-snap);
}

.card:hover,
.card:focus-visible {
  transform: translate(-2px, -2px);
  border-color: var(--accent);
  background: #181818;
  color: var(--fg);
  box-shadow: 4px 4px 0 var(--accent);
  outline: none;
}

.card__num {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.18em;
  color: var(--accent);
}

.card__title {
  font-family: var(--font-display);
  font-size: var(--fs-lg);
  margin: 0;
}

.card__body {
  font-size: var(--fs-sm);
  color: var(--muted);
  margin: 0;
}

.card__cta {
  margin-top: auto;
  font-size: var(--fs-xs);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg-soft);
}

.card:hover .card__cta {
  color: var(--accent);
}

/* simple two-column band */
.band {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
  align-items: start;
}

@media (max-width: 720px) {
  .band {
    grid-template-columns: 1fr;
  }
}