/**
 * Shared site chrome — identical on React home (`/`) and PORT case (`/case.html`).
 * Keep Die Grotesk for brand; mono for nav / meta actions.
 */
@font-face {
  font-family: 'Die Grotesk A';
  src: url('/fonts/DieGrotesk-A-Regular.otf') format('opentype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

:root {
  --schollen-bg: #ffffff;
  --schollen-ink: #000000;
  --schollen-muted: #3a3a3a;
  --schollen-line: rgba(0, 0, 0, 0.12);
  --schollen-font: 'Die Grotesk A', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --schollen-mono: ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
  --nav-h: 52px;
  /* Shared page gutter: site-nav, homepage copy panel, case-meta, case-body */
  --chrome-pad-x: clamp(1.1rem, 2vw, 1.75rem);
}

/* Full-width white nav bar */
.site-nav {
  position: relative;
  flex-shrink: 0;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  padding: 0 var(--chrome-pad-x);
  background: var(--schollen-bg);
  border-bottom: 1px solid var(--schollen-line);
  z-index: 300;
  color: var(--schollen-ink);
  text-transform: uppercase;
}

.site-nav .brand-block {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  min-width: 0;
}

.site-nav .brand {
  appearance: none;
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  color: inherit;
  line-height: 0;
  text-decoration: none;
  transition: opacity 0.25s ease;
}

.site-nav .brand:hover {
  opacity: 0.6;
  text-decoration: none;
}

.site-nav .brand-logo {
  display: block;
  width: auto;
  height: 26px;
  flex-shrink: 0;
  /* SVG mark is flush to viewBox; keep object box aligned to content column */
  object-fit: contain;
  object-position: left center;
}

.site-nav .brand-sub {
  font-family: var(--schollen-mono);
  color: var(--schollen-muted);
  font-size: 0.58rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
}

.site-nav .header-right {
  display: flex;
  align-items: center;
  gap: 1.1rem;
  flex-shrink: 0;
}

.site-nav .nav {
  display: flex;
  gap: 1.75rem;
}

.site-nav .nav a,
.site-nav .nav button {
  appearance: none;
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
  font-family: var(--schollen-mono);
  font-size: 0.62rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: inherit;
  text-decoration: none;
  transition: opacity 0.25s ease;
}

.site-nav .nav a:hover,
.site-nav .nav button:hover {
  opacity: 0.55;
  text-decoration: none;
}

.site-nav .nav a.is-active,
.site-nav .nav button.is-active {
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
}

.site-nav .case-back {
  appearance: none;
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
  font-family: var(--schollen-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: inherit;
  text-decoration: none;
  transition: opacity 0.25s ease;
}

.site-nav .case-back:hover {
  opacity: 0.55;
  text-decoration: none;
}

.site-nav .case-tag {
  font-family: var(--schollen-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--schollen-muted);
  pointer-events: none;
}

/* Case mode uses same principal nav as home (Retour lives in case-meta) */
.site-nav:not(.is-case) .case-back,
.site-nav:not(.is-case) .case-tag {
  display: none;
}

@media (max-width: 720px) {
  .site-nav .brand-sub {
    display: none;
  }
}

/* Morph pending: hide page content (nav stays) until flyer bridges paint */
html.schollen-morph-pending main,
html.schollen-morph-pending #root {
  opacity: 0 !important;
  pointer-events: none !important;
}

/* Leaving page: drop content instantly under the flyer (no fade hitch) */
html.schollen-morph-leaving main,
html.schollen-morph-leaving #root {
  opacity: 0;
  pointer-events: none;
  transition: none;
}

/* Shared-element flyer — bridges home ↔ case across navigation */
.schollen-flyer {
  position: fixed;
  z-index: 240;
  pointer-events: none;
  overflow: hidden;
  will-change: transform, clip-path, border-radius;
  transform: translate3d(0, 0, 0);
  transform-origin: top left;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  isolation: isolate;
  contain: layout style;
  background: #111;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.04);
}

.schollen-flyer img,
.schollen-flyer video {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center center;
  transform: translateZ(0);
  transform-origin: top left;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  will-change: transform;
}

@media (prefers-reduced-motion: reduce) {
  .schollen-flyer {
    transition: none !important;
  }
  html.schollen-morph-leaving main,
  html.schollen-morph-leaving #root {
    transition: none;
  }
}