/* =========================================================
   Political Idioms — header, mobile nav, cart drawer, footer
   ========================================================= */

/* ---------------------------------------------------------
   Header
   --------------------------------------------------------- */
.pi-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1200;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  background: rgba(246, 244, 241, 0.62);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(16px) saturate(150%);
  -webkit-backdrop-filter: blur(16px) saturate(150%);
  transition: background 0.35s var(--ease-out), border-color 0.35s;
}

.pi-header.is-scrolled {
  background: rgba(255, 255, 255, 0.88);
  border-bottom-color: var(--line);
}

.pi-header__inner {
  width: var(--shell);
  margin-inline: auto;
  display: flex;
  align-items: center;
  gap: 1.4rem;
}

.pi-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.02rem;
  letter-spacing: -0.02em;
  white-space: nowrap;
}

.pi-logo__mark {
  width: 24px; height: 24px;
  border-radius: 50%;
  background: var(--grad-iris);
  box-shadow: inset 0 0 0 1px rgba(16, 19, 28, 0.08);
  flex: none;
}

.pi-logo i { font-style: normal; font-weight: 400; color: var(--text-2); }

.pi-nav { margin-left: auto; }

.pi-nav ul {
  display: flex;
  align-items: center;
  gap: 0.2rem;
}

.pi-nav a {
  display: block;
  padding: 0.5rem 0.85rem;
  border-radius: 100px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-2);
  transition: color 0.25s, background 0.25s;
}

.pi-nav a:hover { color: var(--ink); background: rgba(16, 19, 28, 0.05); }
.pi-nav a[aria-current='page'] { color: var(--ink); background: rgba(16, 19, 28, 0.07); }

.pi-header__actions {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.pi-iconbtn {
  position: relative;
  display: grid;
  place-items: center;
  width: 40px; height: 40px;
  border-radius: 50%;
  color: var(--text-2);
  transition: color 0.25s, background 0.25s;
}

.pi-iconbtn:hover { color: var(--ink); background: rgba(16, 19, 28, 0.05); }

.pi-cartcount {
  position: absolute;
  top: 2px; right: 0;
  min-width: 18px;
  height: 18px;
  padding: 0 4px;
  border-radius: 100px;
  background: var(--ink);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.64rem;
  font-weight: 500;
  line-height: 18px;
  text-align: center;
}

.pi-cartcount[hidden] { display: none; }

/* ---------------------------------------------------------
   Burger + mobile nav
   --------------------------------------------------------- */
.pi-burger {
  display: none;
  place-items: center;
  width: 40px; height: 40px;
  border-radius: 50%;
  color: var(--text-2);
}

.pi-burger span {
  position: relative;
  display: block;
  width: 18px; height: 1.5px;
  background: currentColor;
  transition: transform 0.35s var(--ease-out), opacity 0.2s;
}

.pi-burger span::before,
.pi-burger span::after {
  content: '';
  position: absolute;
  left: 0;
  width: 18px; height: 1.5px;
  background: currentColor;
  transition: transform 0.35s var(--ease-out);
}

.pi-burger span::before { top: -6px; }
.pi-burger span::after { top: 6px; }

.pi-burger[aria-expanded='true'] span { background: transparent; }
.pi-burger[aria-expanded='true'] span::before { transform: translateY(6px) rotate(45deg); }
.pi-burger[aria-expanded='true'] span::after { transform: translateY(-6px) rotate(-45deg); }

.pi-mobilenav {
  position: fixed;
  inset: var(--nav-h) 0 0;
  z-index: 1150;
  padding: 1.6rem 5vw 3rem;
  background: var(--bg);
  border-top: 1px solid var(--line);
  overflow-y: auto;
}
.pi-mobilenav[hidden] { display: none; }

.pi-mobilenav > a {
  display: block;
  padding: 0.95rem 0;
  border-bottom: 1px solid var(--line-soft);
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.03em;
  color: var(--text);
}

.pi-mobilenav > a:last-of-type { border-bottom: 0; }
.pi-mobilenav__foot { margin-top: 2rem; display: grid; gap: 0.7rem; }

/* ---------------------------------------------------------
   Cart drawer
   --------------------------------------------------------- */
.pi-drawer {
  position: fixed;
  inset: 0;
  z-index: 1400;
}

.pi-drawer[hidden] { display: none; }

.pi-drawer__scrim {
  position: absolute;
  inset: 0;
  background: rgba(16, 19, 28, 0.34);
  backdrop-filter: blur(3px);
}

.pi-drawer__panel {
  position: absolute;
  top: 0; right: 0; bottom: 0;
  width: min(430px, 100%);
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border-left: 1px solid var(--line);
  box-shadow: var(--shadow-lg);
  animation: piDrawerIn 0.4s var(--ease-out);
}

@keyframes piDrawerIn {
  from { transform: translateX(100%); }
  to { transform: none; }
}

.pi-drawer__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.3rem 1.4rem;
  border-bottom: 1px solid var(--line);
}

.pi-drawer__head h2 { font-size: 1.1rem; }
.pi-drawer__body { flex: 1; overflow-y: auto; padding: 1.1rem 1.4rem; }

.pi-drawer__foot {
  padding: 1.2rem 1.4rem calc(1.2rem + env(safe-area-inset-bottom));
  border-top: 1px solid var(--line);
  display: grid;
  gap: 0.85rem;
}

/* ---------------------------------------------------------
   Footer
   --------------------------------------------------------- */
.pi-footer {
  position: relative;
  margin-top: clamp(3rem, 8vw, 6rem);
  border-radius: var(--r-2xl) var(--r-2xl) 0 0;
  background: var(--navy);
  color: var(--on-navy);
  padding: clamp(3rem, 7vw, 5rem) 0 2rem;
  overflow: hidden;
  isolation: isolate;
}

/* Iridescent corner glow. Built from gradients rather than the swirl
   photograph, whose light background greyed out the link columns.
   The mask stops the composite clipping into a hard arc at the edge. */
.pi-footer::before {
  content: '';
  position: absolute;
  top: -56%;
  right: -24%;
  z-index: -1;
  width: min(64%, 800px);
  aspect-ratio: 1;
  background:
    radial-gradient(circle at 40% 44%, rgba(184, 166, 242, 0.55), transparent 46%),
    radial-gradient(circle at 62% 36%, rgba(245, 168, 200, 0.45), transparent 44%),
    radial-gradient(circle at 52% 66%, rgba(163, 228, 208, 0.34), transparent 46%);
  -webkit-mask-image: radial-gradient(closest-side circle at 50% 50%, #000 34%, transparent 78%);
  mask-image: radial-gradient(closest-side circle at 50% 50%, #000 34%, transparent 78%);
  pointer-events: none;
}

.pi-footer__inner {
  position: relative;
  width: var(--shell);
  margin-inline: auto;
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) repeat(3, minmax(0, 1fr));
  gap: clamp(1.6rem, 4vw, 3rem);
}

.pi-footer h3 {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--on-navy-2);
  margin-bottom: 1rem;
}

.pi-footer li { margin-bottom: 0.55rem; }

.pi-footer li a,
.pi-footer__blurb a {
  color: var(--on-navy-2);
  font-size: 0.9rem;
  transition: color 0.25s;
}

.pi-footer li a:hover,
.pi-footer__blurb a:hover { color: var(--on-navy); }

.pi-footer__blurb {
  margin-top: 1rem;
  max-width: 34ch;
  color: var(--on-navy-2);
  font-size: 0.88rem;
}

.pi-footer .pi-logo { color: var(--on-navy); font-size: 1.12rem; }
.pi-footer .pi-logo i { color: var(--on-navy-2); }

.pi-footer__bar {
  position: relative;
  width: var(--shell);
  margin: clamp(2.4rem, 5vw, 3.4rem) auto 0;
  padding-top: 1.4rem;
  border-top: 1px solid rgba(243, 244, 248, 0.14);
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1.4rem;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--on-navy-2);
}

/* ---------------------------------------------------------
   Responsive
   --------------------------------------------------------- */
@media (max-width: 1000px) {
  .pi-nav { display: none; }
  .pi-burger { display: grid; }
  .pi-header__actions { margin-left: auto; }
}

@media (max-width: 860px) {
  .pi-footer__inner { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .pi-footer__brand { grid-column: 1 / -1; }
}