/* Scenevale Studio — shell: floating pill nav, mobile sheet and footer.
   Requires tokens.css + base.css. Markup: partials/nav.html, partials/footer.html */

/* Same-origin page navigation: keep the fixed pill nav visually anchored while
   the page content makes a short, quiet transition. Unsupported browsers
   retain ordinary navigation. */
@view-transition {
  navigation: auto;
}

@media (prefers-reduced-motion: no-preference) {
  .page-arriving main { animation: page-arrive-fallback 260ms var(--ease-premium) both; }

  .site-header {
    view-transition-name: site-header;
  }

  ::view-transition-old(root) {
    animation: page-leave 180ms ease-out both;
  }

  ::view-transition-new(root) {
    animation: page-arrive 260ms cubic-bezier(0.2, 0.75, 0.25, 1) both;
  }

  ::view-transition-group(site-header),
  ::view-transition-old(site-header),
  ::view-transition-new(site-header) {
    animation: none;
  }
}

@keyframes page-leave {
  to { opacity: 0; transform: translateY(-8px); }
}

@keyframes page-arrive-fallback {
  from { opacity: .65; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}

@keyframes page-arrive {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}

@media (prefers-reduced-motion: reduce) {
  @view-transition { navigation: none; }
  .page-arriving main { animation: none; }
  ::view-transition-old(root),
  ::view-transition-new(root),
  ::view-transition-group(site-header),
  ::view-transition-old(site-header),
  ::view-transition-new(site-header) {
    animation: none !important;
  }
}

/* ================= NAV ================= */
.site-header {
  position: fixed;
  inset: var(--nav-top) 0 auto;
  z-index: var(--z-nav);
  pointer-events: none; /* only the pill itself is interactive */
}

.site-nav {
  pointer-events: auto;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-2);
  width: min(100% - 2 * var(--gutter), var(--container));
  min-height: var(--nav-h);
  margin-inline: auto;
  padding: 0 var(--sp-1) 0 var(--sp-3);
  background: rgb(255 255 255 / 0.92);
  border: 1px solid var(--mist);
  border-radius: var(--r-pill);
  box-shadow: var(--shadow-nav);
}

/* Home gets one quiet nav arrival; all other pages retain the static shell. */
@media (prefers-reduced-motion: no-preference) {
  .js body.page-home .site-nav {
    animation: home-nav-arrive var(--dur-premium) var(--ease-premium) both;
  }
}

@keyframes home-nav-arrive {
  from { opacity: 0; transform: translateY(calc(-1 * var(--sp-1))); }
  to { opacity: 1; transform: none; }
}

@supports ((-webkit-backdrop-filter: blur(1px)) or (backdrop-filter: blur(1px))) {
  .site-nav {
    background: rgb(255 255 255 / 0.86);
    -webkit-backdrop-filter: blur(12px) saturate(1.4);
    backdrop-filter: blur(12px) saturate(1.4);
  }
}

.site-nav__logo {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  flex: none;
  border-radius: var(--r-pill);
}

.site-nav__logo img {
  width: auto;
  height: 28px;
}

.site-nav__links {
  display: flex;
  align-items: center;
  gap: var(--sp-0-5);
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-nav__links a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 var(--sp-2);
  border-radius: var(--r-pill);
  color: var(--ink);
  font-size: var(--fs-ui);
  font-weight: 500;
  text-decoration: none;
  transition: background-color var(--dur-1) var(--ease-out);
}

.site-nav__links a:hover {
  background: var(--cobalt-a04);
}

.site-nav__links a[aria-current="page"] {
  background: var(--mist);
  font-weight: 600;
}

.site-nav__toggle {
  display: none;
}

/* ---- Desktop (≥768px): logo | links (centred) | CTA ---- */
@media (min-width: 48em) {
  .site-nav {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
  }

  .site-nav__menu {
    display: contents;
  }

  .site-nav__cta {
    justify-self: end;
  }

  .site-nav__logo img {
    height: 32px;
  }
}

/* ---- Mobile (<768px): logo + Menu button; menu becomes a sheet ---- */
@media (max-width: 47.99em) {
  .site-nav {
    padding: 0 6px 0 var(--sp-2);
  }

  .site-nav__toggle {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-1);
    min-height: 44px;
    min-width: 44px;
    padding: 0 var(--sp-2);
    border-radius: var(--r-pill);
    background: var(--mist);
    color: var(--ink);
    font-size: var(--fs-ui);
    font-weight: 600;
    -webkit-tap-highlight-color: transparent;
  }

  .site-nav__toggle:active {
    background: var(--cobalt-a12);
  }

  .site-nav__toggle-icon {
    width: 18px;
    height: 18px;
  }

  .site-nav__toggle-icon line {
    transform-origin: center;
    transition: transform var(--dur-2) var(--ease-out), opacity var(--dur-1) var(--ease-out);
  }

  .site-header[data-open] .site-nav__toggle-icon .l1 {
    transform: rotate(45deg) translateY(3.5px);
  }

  .site-header[data-open] .site-nav__toggle-icon .l2 {
    transform: rotate(-45deg) translateY(-3.5px);
  }

  .site-nav__menu {
    position: absolute;
    top: calc(100% + var(--sp-1));
    left: 0;
    right: 0;
    z-index: var(--z-sheet);
    display: flex;
    flex-direction: column;
    gap: var(--sp-2);
    padding: var(--sp-1) var(--sp-2) var(--sp-2);
    background: var(--white);
    border: 1px solid var(--mist);
    border-radius: var(--r-card);
    box-shadow: var(--shadow-lift);
    max-height: calc(100dvh - var(--nav-top) - var(--nav-h) - var(--sp-4));
    overflow-y: auto;
    overscroll-behavior: contain;
    /* closed */
    visibility: hidden;
    opacity: 0;
    transform: translateY(-8px);
    transition:
      opacity var(--dur-2) var(--ease-out),
      transform var(--dur-2) var(--ease-out),
      visibility 0s linear var(--dur-2);
  }

  .site-header[data-open] .site-nav__menu {
    visibility: visible;
    opacity: 1;
    transform: none;
    transition:
      opacity var(--dur-2) var(--ease-out),
      transform var(--dur-2) var(--ease-out),
      visibility 0s;
  }

  .site-nav__links {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .site-nav__links li + li {
    border-top: 1px solid var(--mist);
  }

  .site-nav__links a {
    width: 100%;
    min-height: 56px;
    padding: 0 var(--sp-1);
    border-radius: var(--r-card);
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 800;
    letter-spacing: -0.03em;
  }

  .site-nav__links a[aria-current="page"] {
    background: transparent;
    color: var(--cobalt);
  }

  .site-nav__cta {
    width: 100%;
    --btn-h: 52px;
  }

  /* Scrim behind the open sheet */
  .site-header[data-open]::before {
    content: "";
    position: fixed;
    inset: 0;
    background: rgb(13 21 48 / 0.24);
    pointer-events: auto;
  }

  .site-header[data-open] .site-nav {
    z-index: 1;
  }
}

/* Lock page scroll while the sheet is open */
html.nav-locked,
html.nav-locked body {
  overflow: hidden;
}

/* ================= FOOTER ================= */
.site-footer {
  position: relative;
  overflow: hidden;
  padding-top: var(--sp-12);
  padding-bottom: var(--sp-4);
  background: var(--canvas);
  border-top: 1px solid var(--hairline);
}

.site-footer__top {
  display: grid;
  gap: var(--sp-6);
}

.site-footer__brand img {
  width: auto;
  height: 32px;
}

.site-footer__brand a {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  border-radius: var(--r-pill);
}

.site-footer__brand p {
  margin-top: var(--sp-2);
  max-width: 32ch;
  color: var(--text-muted);
}

.site-footer__nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--sp-4) var(--sp-3);
}

.site-footer__heading {
  margin-bottom: var(--sp-1);
}

.site-footer__nav ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-footer__nav a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  min-width: 44px;
  color: var(--ink);
  font-weight: 500;
  text-decoration: none;
  overflow-wrap: anywhere;
}

.site-footer__nav a:hover {
  color: var(--cobalt);
  text-decoration: underline;
}

.site-footer__nav li:not(:has(a)) {
  padding-block: 10px;
  color: var(--text-muted);
}

.site-footer__legal {
  margin-top: var(--sp-8);
  padding-top: var(--sp-3);
  border-top: 1px solid var(--hairline);
  color: var(--text-muted);
}

/* Contact gets its own full row on small screens so the email never breaks mid-word */
@media (max-width: 37.49em) {
  .site-footer__nav > div:last-child {
    grid-column: 1 / -1;
  }

  .site-footer__nav a {
    overflow-wrap: normal;
  }
}

@media (min-width: 37.5em) {
  .site-footer__nav {
    /* the contact column sizes to the email address so it never breaks mid-word */
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) auto;
  }
}

@media (min-width: 60em) {
  .site-footer__top {
    grid-template-columns: 5fr 7fr;
    align-items: start;
  }
}